scrotwm.c

   1 /* $scrotwm$ */
   2 /*
   3  * Copyright (c) 2009-2010-2011 Marco Peereboom <marco@peereboom.us>
   4  * Copyright (c) 2009-2010-2011 Ryan McBride <mcbride@countersiege.com>
   5  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   6  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  *
   9  * Permission to use, copy, modify, and distribute this software for any
  10  * purpose with or without fee is hereby granted, provided that the above
  11  * copyright notice and this permission notice appear in all copies.
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  14  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  15  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  16  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  17  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  18  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  19  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  20  */
  21 /*
  22  * Much code and ideas taken from dwm under the following license:
  23  * MIT/X Consortium License
  24  *
  25  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  26  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  27  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  28  * 2007 Premysl Hruby <dfenze at gmail dot com>
  29  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  30  * 2007 Christof Musik <christof at sendfax dot de>
  31  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  32  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  33  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  34  *
  35  * Permission is hereby granted, free of charge, to any person obtaining a
  36  * copy of this software and associated documentation files (the "Software"),
  37  * to deal in the Software without restriction, including without limitation
  38  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  39  * and/or sell copies of the Software, and to permit persons to whom the
  40  * Software is furnished to do so, subject to the following conditions:
  41  *
  42  * The above copyright notice and this permission notice shall be included in
  43  * all copies or substantial portions of the Software.
  44  *
  45  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  46  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  47  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  48  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  49  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  50  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  51  * DEALINGS IN THE SOFTWARE.
  52  */
  53
  54 static const char       *cvstag =
  55     "$scrotwm$";
  56
  57 #define SWM_VERSION     "0.9.30"
  58
  59 #include <stdio.h>
  60 #include <stdlib.h>
  61 #include <err.h>
  62 #include <errno.h>
  63 #include <fcntl.h>
  64 #include <locale.h>
  65 #include <unistd.h>
  66 #include <time.h>
  67 #include <signal.h>
  68 #include <string.h>
  69 #include <util.h>
  70 #include <pwd.h>
  71 #include <paths.h>
  72 #include <ctype.h>
  73
  74 #include <sys/types.h>
  75 #include <sys/time.h>
  76 #include <sys/stat.h>
  77 #include <sys/wait.h>
  78 #include <sys/queue.h>
  79 #include <sys/param.h>
  80 #include <sys/select.h>
  81
  82 #include <X11/cursorfont.h>
  83 #include <X11/keysym.h>
  84 #include <X11/Xatom.h>
  85 #include <X11/Xlib.h>
  86 #include <X11/Xproto.h>
  87 #include <X11/Xutil.h>
  88 #include <X11/extensions/Xrandr.h>
  89
  90 #ifdef __OSX__
  91 #include <osx.h>
  92 #endif
  93
  94 #if RANDR_MAJOR < 1
  95 #  error XRandR versions less than 1.0 are not supported
  96 #endif
  97
  98 #if RANDR_MAJOR >= 1
  99 #if RANDR_MINOR >= 2
 100 #define SWM_XRR_HAS_CRTC
 101 #endif
 102 #endif
 103
 104 /*#define SWM_DEBUG*/
 105 #ifdef SWM_DEBUG
 106 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 107 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 108 #define SWM_D_MISC              0x0001
 109 #define SWM_D_EVENT             0x0002
 110 #define SWM_D_WS                0x0004
 111 #define SWM_D_FOCUS             0x0008
 112 #define SWM_D_MOVE              0x0010
 113 #define SWM_D_STACK             0x0020
 114 #define SWM_D_MOUSE             0x0040
 115 #define SWM_D_PROP              0x0080
 116 #define SWM_D_CLASS             0x0100
 117 #define SWM_D_KEY               0x0200
 118 #define SWM_D_QUIRK             0x0400
 119 #define SWM_D_SPAWN             0x0800
 120 #define SWM_D_EVENTQ            0x1000
 121 #define SWM_D_CONF              0x2000
 122
 123 u_int32_t               swm_debug = 0
 124                             | SWM_D_MISC
 125                             | SWM_D_EVENT
 126                             | SWM_D_WS
 127                             | SWM_D_FOCUS
 128                             | SWM_D_MOVE
 129                             | SWM_D_STACK
 130                             | SWM_D_MOUSE
 131                             | SWM_D_PROP
 132                             | SWM_D_CLASS
 133                             | SWM_D_KEY
 134                             | SWM_D_QUIRK
 135                             | SWM_D_SPAWN
 136                             | SWM_D_EVENTQ
 137                             | SWM_D_CONF
 138                             ;
 139 #else
 140 #define DPRINTF(x...)
 141 #define DNPRINTF(n,x...)
 142 #endif
 143
 144 #define LENGTH(x)               (sizeof x / sizeof x[0])
 145 #define MODKEY                  Mod1Mask
 146 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 147 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 148 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 149 #define SWM_PROPLEN             (16)
 150 #define SWM_FUNCNAME_LEN        (32)
 151 #define SWM_KEYS_LEN            (255)
 152 #define SWM_QUIRK_LEN           (64)
 153 #define X(r)                    (r)->g.x
 154 #define Y(r)                    (r)->g.y
 155 #define WIDTH(r)                (r)->g.w
 156 #define HEIGHT(r)               (r)->g.h
 157 #define SWM_MAX_FONT_STEPS      (3)
 158 #define WINID(w)                (w ? w->id : 0)
 159
 160 #define SWM_FOCUS_DEFAULT       (0)
 161 #define SWM_FOCUS_SYNERGY       (1)
 162 #define SWM_FOCUS_FOLLOW        (2)
 163
 164 #ifndef SWM_LIB
 165 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 166 #endif
 167
 168 char                    **start_argv;
 169 Atom                    astate;
 170 Atom                    aprot;
 171 Atom                    adelete;
 172 Atom                    takefocus;
 173 Atom                    a_wmname;
 174 Atom                    a_utf8_string;
 175 Atom                    a_string;
 176 Atom                    a_swm_iconic;
 177 volatile sig_atomic_t   running = 1;
 178 volatile sig_atomic_t   restart_wm = 0;
 179 int                     outputs = 0;
 180 int                     last_focus_event = FocusOut;
 181 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 182 int                     other_wm;
 183 int                     ss_enabled = 0;
 184 int                     xrandr_support;
 185 int                     xrandr_eventbase;
 186 unsigned int            numlockmask = 0;
 187 Display                 *display;
 188
 189 int                     cycle_empty = 0;
 190 int                     cycle_visible = 0;
 191 int                     term_width = 0;
 192 int                     font_adjusted = 0;
 193 unsigned int            mod_key = MODKEY;
 194
 195 /* dmenu search */
 196 struct swm_region       *search_r;
 197 int                     select_list_pipe[2];
 198 int                     select_resp_pipe[2];
 199 pid_t                   searchpid;
 200 volatile sig_atomic_t   search_resp;
 201
 202 /* dialog windows */
 203 double                  dialog_ratio = .6;
 204 /* status bar */
 205 #define SWM_BAR_MAX     (256)
 206 char                    *bar_argv[] = { NULL, NULL };
 207 int                     bar_pipe[2];
 208 char                    bar_ext[SWM_BAR_MAX];
 209 char                    bar_vertext[SWM_BAR_MAX];
 210 int                     bar_version = 0;
 211 sig_atomic_t            bar_alarm = 0;
 212 int                     bar_delay = 30;
 213 int                     bar_enabled = 1;
 214 int                     bar_border_width = 1;
 215 int                     bar_at_bottom = 0;
 216 int                     bar_extra = 1;
 217 int                     bar_extra_running = 0;
 218 int                     bar_verbose = 1;
 219 int                     bar_height = 0;
 220 int                     stack_enabled = 1;
 221 int                     clock_enabled = 1;
 222 char                    *clock_format = NULL;
 223 int                     title_name_enabled = 0;
 224 int                     title_class_enabled = 0;
 225 int                     window_name_enabled = 0;
 226 int                     focus_mode = SWM_FOCUS_DEFAULT;
 227 int                     disable_border = 0;
 228 int                     border_width = 1;
 229 pid_t                   bar_pid;
 230 GC                      bar_gc;
 231 XGCValues               bar_gcv;
 232 int                     bar_fidx = 0;
 233 XFontStruct             *bar_fs;
 234 char                    *bar_fonts[] = { NULL, NULL, NULL, NULL };/* XXX Make fully dynamic */
 235 char                    *spawn_term[] = { NULL, NULL };         /* XXX Make fully dynamic */
 236
 237 #define SWM_MENU_FN     (2)
 238 #define SWM_MENU_NB     (4)
 239 #define SWM_MENU_NF     (6)
 240 #define SWM_MENU_SB     (8)
 241 #define SWM_MENU_SF     (10)
 242
 243 /* layout manager data */
 244 struct swm_geometry {
 245         int                     x;
 246         int                     y;
 247         int                     w;
 248         int                     h;
 249 };
 250
 251 struct swm_screen;
 252 struct workspace;
 253
 254 /* virtual "screens" */
 255 struct swm_region {
 256         TAILQ_ENTRY(swm_region) entry;
 257         struct swm_geometry     g;
 258         struct workspace        *ws;    /* current workspace on this region */
 259         struct workspace        *ws_prior; /* prior workspace on this region */
 260         struct swm_screen       *s;     /* screen idx */
 261         Window                  bar_window;
 262 };
 263 TAILQ_HEAD(swm_region_list, swm_region);
 264
 265 struct ws_win {
 266         TAILQ_ENTRY(ws_win)     entry;
 267         Window                  id;
 268         Window                  transient;
 269         struct ws_win           *child_trans;   /* transient child window */
 270         struct swm_geometry     g;              /* current geometry */
 271         struct swm_geometry     g_float;        /* geometry when floating */
 272         struct swm_geometry     rg_float;       /* region geom when floating */
 273         int                     g_floatvalid;   /* flag: geometry in g_float is valid */
 274         int                     floatmaxed;     /* flag: floater was maxed in max_stack */
 275         int                     floating;
 276         int                     manual;
 277         int                     iconic;
 278         unsigned int            ewmh_flags;
 279         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 280         int                     font_steps;
 281         int                     last_inc;
 282         int                     can_delete;
 283         int                     take_focus;
 284         int                     java;
 285         unsigned long           quirks;
 286         struct workspace        *ws;    /* always valid */
 287         struct swm_screen       *s;     /* always valid, never changes */
 288         XWindowAttributes       wa;
 289         XSizeHints              sh;
 290         XClassHint              ch;
 291         XWMHints                *hints;
 292 };
 293 TAILQ_HEAD(ws_win_list, ws_win);
 294
 295 /* pid goo */
 296 struct pid_e {
 297         TAILQ_ENTRY(pid_e)      entry;
 298         long                    pid;
 299         int                     ws;
 300 };
 301 TAILQ_HEAD(pid_list, pid_e);
 302 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 303
 304 /* layout handlers */
 305 void    stack(void);
 306 void    vertical_config(struct workspace *, int);
 307 void    vertical_stack(struct workspace *, struct swm_geometry *);
 308 void    horizontal_config(struct workspace *, int);
 309 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 310 void    max_stack(struct workspace *, struct swm_geometry *);
 311
 312 struct ws_win *find_window(Window);
 313
 314 void    grabbuttons(struct ws_win *, int);
 315 void    new_region(struct swm_screen *, int, int, int, int);
 316 void    unmanage_window(struct ws_win *);
 317 long    getstate(Window);
 318
 319 struct layout {
 320         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 321         void            (*l_config)(struct workspace *, int);
 322         u_int32_t       flags;
 323 #define SWM_L_FOCUSPREV         (1<<0)
 324 #define SWM_L_MAPONFOCUS        (1<<1)
 325         char            *name;
 326 } layouts[] =  {
 327         /* stack,               configure */
 328         { vertical_stack,       vertical_config,        0,      "[|]" },
 329         { horizontal_stack,     horizontal_config,      0,      "[-]" },
 330         { max_stack,            NULL,
 331           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   "[ ]" },
 332         { NULL,                 NULL,                   0,      NULL  },
 333 };
 334
 335 /* position of max_stack mode in the layouts array */
 336 #define SWM_MAX_STACK           2
 337
 338 #define SWM_H_SLICE             (32)
 339 #define SWM_V_SLICE             (32)
 340
 341 /* define work spaces */
 342 struct workspace {
 343         int                     idx;            /* workspace index */
 344         struct layout           *cur_layout;    /* current layout handlers */
 345         struct ws_win           *focus;         /* may be NULL */
 346         struct ws_win           *focus_prev;    /* may be NULL */
 347         struct swm_region       *r;             /* may be NULL */
 348         struct swm_region       *old_r;         /* may be NULL */
 349         struct ws_win_list      winlist;        /* list of windows in ws */
 350         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 351
 352         /* stacker state */
 353         struct {
 354                                 int horizontal_msize;
 355                                 int horizontal_mwin;
 356                                 int horizontal_stacks;
 357                                 int vertical_msize;
 358                                 int vertical_mwin;
 359                                 int vertical_stacks;
 360         } l_state;
 361 };
 362
 363 enum    { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
 364           SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
 365
 366 /* physical screen mapping */
 367 #define SWM_WS_MAX              (10)
 368 struct swm_screen {
 369         int                     idx;    /* screen index */
 370         struct swm_region_list  rl;     /* list of regions on this screen */
 371         struct swm_region_list  orl;    /* list of old regions */
 372         Window                  root;
 373         struct workspace        ws[SWM_WS_MAX];
 374
 375         /* colors */
 376         struct {
 377                 unsigned long   color;
 378                 char            *name;
 379         } c[SWM_S_COLOR_MAX];
 380 };
 381 struct swm_screen       *screens;
 382 int                     num_screens;
 383
 384 /* args to functions */
 385 union arg {
 386         int                     id;
 387 #define SWM_ARG_ID_FOCUSNEXT    (0)
 388 #define SWM_ARG_ID_FOCUSPREV    (1)
 389 #define SWM_ARG_ID_FOCUSMAIN    (2)
 390 #define SWM_ARG_ID_FOCUSCUR     (4)
 391 #define SWM_ARG_ID_SWAPNEXT     (10)
 392 #define SWM_ARG_ID_SWAPPREV     (11)
 393 #define SWM_ARG_ID_SWAPMAIN     (12)
 394 #define SWM_ARG_ID_MOVELAST     (13)
 395 #define SWM_ARG_ID_MASTERSHRINK (20)
 396 #define SWM_ARG_ID_MASTERGROW   (21)
 397 #define SWM_ARG_ID_MASTERADD    (22)
 398 #define SWM_ARG_ID_MASTERDEL    (23)
 399 #define SWM_ARG_ID_STACKRESET   (30)
 400 #define SWM_ARG_ID_STACKINIT    (31)
 401 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 402 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 403 #define SWM_ARG_ID_CYCLESC_UP   (42)
 404 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 405 #define SWM_ARG_ID_STACKINC     (50)
 406 #define SWM_ARG_ID_STACKDEC     (51)
 407 #define SWM_ARG_ID_SS_ALL       (60)
 408 #define SWM_ARG_ID_SS_WINDOW    (61)
 409 #define SWM_ARG_ID_DONTCENTER   (70)
 410 #define SWM_ARG_ID_CENTER       (71)
 411 #define SWM_ARG_ID_KILLWINDOW   (80)
 412 #define SWM_ARG_ID_DELETEWINDOW (81)
 413         char                    **argv;
 414 };
 415
 416 void    focus(struct swm_region *, union arg *);
 417 void    focus_magic(struct ws_win *);
 418
 419 /* quirks */
 420 struct quirk {
 421         char                    *class;
 422         char                    *name;
 423         unsigned long           quirk;
 424 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 425 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 426 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 427 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 428 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 429 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 430 };
 431 int                             quirks_size = 0, quirks_length = 0;
 432 struct quirk                    *quirks = NULL;
 433
 434 /*
 435  * Supported EWMH hints should be added to
 436  * both the enum and the ewmh array
 437  */
 438 enum { _NET_ACTIVE_WINDOW, _NET_MOVERESIZE_WINDOW, _NET_CLOSE_WINDOW,
 439     _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DOCK,
 440     _NET_WM_WINDOW_TYPE_TOOLBAR, _NET_WM_WINDOW_TYPE_UTILITY,
 441     _NET_WM_WINDOW_TYPE_SPLASH, _NET_WM_WINDOW_TYPE_DIALOG,
 442     _NET_WM_WINDOW_TYPE_NORMAL, _NET_WM_STATE,
 443     _NET_WM_STATE_MAXIMIZED_HORZ, _NET_WM_STATE_MAXIMIZED_VERT,
 444     _NET_WM_STATE_SKIP_TASKBAR, _NET_WM_STATE_SKIP_PAGER,
 445     _NET_WM_STATE_HIDDEN, _NET_WM_STATE_ABOVE, _SWM_WM_STATE_MANUAL,
 446     _NET_WM_STATE_FULLSCREEN, _NET_WM_ALLOWED_ACTIONS, _NET_WM_ACTION_MOVE,
 447     _NET_WM_ACTION_RESIZE, _NET_WM_ACTION_FULLSCREEN, _NET_WM_ACTION_CLOSE,
 448     SWM_EWMH_HINT_MAX };
 449
 450 struct ewmh_hint {
 451         char    *name;
 452         Atom     atom;
 453 } ewmh[SWM_EWMH_HINT_MAX] =     {
 454     /* must be in same order as in the enum */
 455     {"_NET_ACTIVE_WINDOW", None},
 456     {"_NET_MOVERESIZE_WINDOW", None},
 457     {"_NET_CLOSE_WINDOW", None},
 458     {"_NET_WM_WINDOW_TYPE", None},
 459     {"_NET_WM_WINDOW_TYPE_DOCK", None},
 460     {"_NET_WM_WINDOW_TYPE_TOOLBAR", None},
 461     {"_NET_WM_WINDOW_TYPE_UTILITY", None},
 462     {"_NET_WM_WINDOW_TYPE_SPLASH", None},
 463     {"_NET_WM_WINDOW_TYPE_DIALOG", None},
 464     {"_NET_WM_WINDOW_TYPE_NORMAL", None},
 465     {"_NET_WM_STATE", None},
 466     {"_NET_WM_STATE_MAXIMIZED_HORZ", None},
 467     {"_NET_WM_STATE_MAXIMIZED_VERT", None},
 468     {"_NET_WM_STATE_SKIP_TASKBAR", None},
 469     {"_NET_WM_STATE_SKIP_PAGER", None},
 470     {"_NET_WM_STATE_HIDDEN", None},
 471     {"_NET_WM_STATE_ABOVE", None},
 472     {"_SWM_WM_STATE_MANUAL", None},
 473     {"_NET_WM_STATE_FULLSCREEN", None},
 474     {"_NET_WM_ALLOWED_ACTIONS", None},
 475     {"_NET_WM_ACTION_MOVE", None},
 476     {"_NET_WM_ACTION_RESIZE", None},
 477     {"_NET_WM_ACTION_FULLSCREEN", None},
 478     {"_NET_WM_ACTION_CLOSE", None},
 479 };
 480
 481 void    store_float_geom(struct ws_win *win, struct swm_region *r);
 482 int     floating_toggle_win(struct ws_win *win);
 483 void    spawn_select(struct swm_region *, union arg *, char *, int *);
 484
 485 int
 486 get_property(Window id, Atom atom, long count, Atom type,
 487     unsigned long *n, unsigned char **data)
 488 {
 489         int                     format, status;
 490         unsigned long           tmp, extra;
 491         unsigned long           *nitems;
 492         Atom                    real;
 493
 494         nitems = n != NULL ? n : &tmp;
 495         status = XGetWindowProperty(display, id, atom, 0L, count, False, type,
 496             &real, &format, nitems, &extra, data);
 497
 498         if (status != Success)
 499                 return False;
 500         if (real != type)
 501                 return False;
 502
 503         return True;
 504 }
 505
 506 void
 507 update_iconic(struct ws_win *win, int newv)
 508 {
 509         int32_t v = newv;
 510         Atom iprop;
 511
 512         win->iconic = newv;
 513
 514         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 515         if (!iprop)
 516                 return;
 517         if (newv)
 518                 XChangeProperty(display, win->id, iprop, XA_INTEGER, 32,
 519                     PropModeReplace, (unsigned char *)&v, 1);
 520         else
 521                 XDeleteProperty(display, win->id, iprop);
 522 }
 523
 524 int
 525 get_iconic(struct ws_win *win)
 526 {
 527         int32_t v = 0;
 528         int retfmt, status;
 529         Atom iprop, rettype;
 530         unsigned long nitems, extra;
 531         unsigned char *prop = NULL;
 532
 533         iprop = XInternAtom(display, "_SWM_ICONIC", False);
 534         if (!iprop)
 535                 goto out;
 536         status = XGetWindowProperty(display, win->id, iprop, 0L, 1L,
 537             False, XA_INTEGER, &rettype, &retfmt, &nitems, &extra, &prop);
 538         if (status != Success)
 539                 goto out;
 540         if (rettype != XA_INTEGER || retfmt != 32)
 541                 goto out;
 542         if (nitems != 1)
 543                 goto out;
 544         v = *((int32_t *)prop);
 545
 546 out:
 547         if (prop != NULL)
 548                 XFree(prop);
 549         return (v);
 550 }
 551
 552 void
 553 setup_ewmh(void)
 554 {
 555         int                     i,j;
 556         Atom                    sup_list;
 557
 558         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 559
 560         for (i = 0; i < LENGTH(ewmh); i++)
 561                 ewmh[i].atom = XInternAtom(display, ewmh[i].name, False);
 562
 563         for (i = 0; i < ScreenCount(display); i++) {
 564                 /* Support check window will be created by workaround(). */
 565
 566                 /* Report supported atoms */
 567                 XDeleteProperty(display, screens[i].root, sup_list);
 568                 for (j = 0; j < LENGTH(ewmh); j++)
 569                         XChangeProperty(display, screens[i].root,
 570                             sup_list, XA_ATOM, 32,
 571                             PropModeAppend, (unsigned char *)&ewmh[j].atom,1);
 572         }
 573 }
 574
 575 void
 576 teardown_ewmh(void)
 577 {
 578         int                     i, success;
 579         unsigned char           *data = NULL;
 580         unsigned long           n;
 581         Atom                    sup_check, sup_list;
 582         Window                  id;
 583
 584         sup_check = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
 585         sup_list = XInternAtom(display, "_NET_SUPPORTED", False);
 586
 587         for (i = 0; i < ScreenCount(display); i++) {
 588                 /* Get the support check window and destroy it */
 589                 success = get_property(screens[i].root, sup_check, 1, XA_WINDOW,
 590                     &n, &data);
 591
 592                 if (success) {
 593                         id = data[0];
 594                         XDestroyWindow(display, id);
 595                         XDeleteProperty(display, screens[i].root, sup_check);
 596                         XDeleteProperty(display, screens[i].root, sup_list);
 597                 }
 598
 599                 XFree(data);
 600         }
 601 }
 602
 603 void
 604 ewmh_autoquirk(struct ws_win *win)
 605 {
 606         int                     success, i;
 607         unsigned long           *data = NULL;
 608         unsigned long           n;
 609         Atom                    type;
 610
 611         success = get_property(win->id, ewmh[_NET_WM_WINDOW_TYPE].atom, (~0L),
 612             XA_ATOM, &n, (unsigned char **)&data);
 613
 614         if (!success) {
 615                 XFree(data);
 616                 return;
 617         }
 618
 619         for (i = 0; i < n; i++) {
 620                 type = data[i];
 621                 if (type == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 622                         break;
 623                 if (type == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 624                     type == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 625                     type == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 626                         win->floating = 1;
 627                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 628                         break;
 629                 }
 630                 if (type == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 631                     type == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 632                         win->floating = 1;
 633                         win->quirks = SWM_Q_FLOAT;
 634                         break;
 635                 }
 636         }
 637
 638         XFree(data);
 639 }
 640
 641 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 642 #define EWMH_F_FULLSCREEN               (1<<0)
 643 #define EWMH_F_ABOVE                    (1<<1)
 644 #define EWMH_F_HIDDEN                   (1<<2)
 645 #define EWMH_F_SKIP_PAGER               (1<<3)
 646 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 647 #define SWM_F_MANUAL                    (1<<5)
 648
 649 int
 650 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 651 {
 652         struct swm_geometry     rg;
 653
 654         if (!win->ws->r)
 655                 return 0;
 656
 657         if (!win->floating)
 658                 return 0;
 659
 660         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: win 0x%lx fs: %d\n",
 661             win->id, fs);
 662
 663         rg = win->ws->r->g;
 664
 665         if (fs) {
 666                 store_float_geom(win, win->ws->r);
 667
 668                 win->g.x = rg.x;
 669                 win->g.y = rg.y;
 670                 win->g.w = rg.w;
 671                 win->g.h = rg.h;
 672         } else {
 673                 if (win->g_floatvalid) {
 674                         /* refloat at last floating relative position */
 675                         win->g.x = win->g_float.x - win->rg_float.x + rg.x;
 676                         win->g.y = win->g_float.y - win->rg_float.y + rg.y;
 677                         win->g.w = win->g_float.w;
 678                         win->g.h = win->g_float.h;
 679                 }
 680         }
 681
 682         return 1;
 683 }
 684
 685 void
 686 ewmh_update_actions(struct ws_win *win)
 687 {
 688         Atom                    actions[SWM_EWMH_ACTION_COUNT_MAX];
 689         int                     n = 0;
 690
 691         if (win == NULL)
 692                 return;
 693
 694         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 695
 696         if (win->floating) {
 697                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 698                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 699         }
 700
 701         XChangeProperty(display, win->id, ewmh[_NET_WM_ALLOWED_ACTIONS].atom,
 702             XA_ATOM, 32, PropModeReplace, (unsigned char *)actions, n);
 703 }
 704
 705 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 706 #define _NET_WM_STATE_ADD       1    /* add/set property */
 707 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 708
 709 void
 710 ewmh_update_win_state(struct ws_win *win, long state, long action)
 711 {
 712         unsigned int            mask = 0;
 713         unsigned int            changed = 0;
 714         unsigned int            orig_flags;
 715
 716         if (win == NULL)
 717                 return;
 718
 719         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 720                 mask = EWMH_F_FULLSCREEN;
 721         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 722                 mask = EWMH_F_ABOVE;
 723         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 724                 mask = SWM_F_MANUAL;
 725         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 726                 mask = EWMH_F_SKIP_PAGER;
 727         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 728                 mask = EWMH_F_SKIP_TASKBAR;
 729
 730
 731         orig_flags = win->ewmh_flags;
 732
 733         switch (action) {
 734         case _NET_WM_STATE_REMOVE:
 735                 win->ewmh_flags &= ~mask;
 736                 break;
 737         case _NET_WM_STATE_ADD:
 738                 win->ewmh_flags |= mask;
 739                 break;
 740         case _NET_WM_STATE_TOGGLE:
 741                 win->ewmh_flags ^= mask;
 742                 break;
 743         }
 744
 745         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 746
 747         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 748                 if (changed)
 749                         if (!floating_toggle_win(win))
 750                                 win->ewmh_flags = orig_flags; /* revert */
 751         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 752                 if (changed)
 753                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 754         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 755                 if (changed)
 756                         if (!ewmh_set_win_fullscreen(win,
 757                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 758                                 win->ewmh_flags = orig_flags; /* revert */
 759
 760         XDeleteProperty(display, win->id, ewmh[_NET_WM_STATE].atom);
 761
 762         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 763                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 764                     XA_ATOM, 32, PropModeAppend,
 765                     (unsigned char *)&ewmh[_NET_WM_STATE_FULLSCREEN].atom, 1);
 766         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 767                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 768                     XA_ATOM, 32, PropModeAppend,
 769                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_PAGER].atom, 1);
 770         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
 771                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 772                     XA_ATOM, 32, PropModeAppend,
 773                     (unsigned char *)&ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom, 1);
 774         if (win->ewmh_flags & EWMH_F_ABOVE)
 775                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 776                     XA_ATOM, 32, PropModeAppend,
 777                     (unsigned char *)&ewmh[_NET_WM_STATE_ABOVE].atom, 1);
 778         if (win->ewmh_flags & SWM_F_MANUAL)
 779                 XChangeProperty(display, win->id, ewmh[_NET_WM_STATE].atom,
 780                     XA_ATOM, 32, PropModeAppend,
 781                     (unsigned char *)&ewmh[_SWM_WM_STATE_MANUAL].atom, 1);
 782 }
 783
 784 void
 785 ewmh_get_win_state(struct ws_win *win)
 786 {
 787         int                     success, i;
 788         unsigned long           n;
 789         Atom                    *states;
 790
 791         if (win == NULL)
 792                 return;
 793
 794         win->ewmh_flags = 0;
 795         if (win->floating)
 796                 win->ewmh_flags |= EWMH_F_ABOVE;
 797         if (win->manual)
 798                 win->ewmh_flags |= SWM_F_MANUAL;
 799
 800         success = get_property(win->id, ewmh[_NET_WM_STATE].atom,
 801             (~0L), XA_ATOM, &n, (unsigned char **)&states);
 802
 803         if (!success)
 804                 return;
 805
 806         for (i = 0; i < n; i++)
 807                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
 808
 809         XFree(states);
 810 }
 811
 812 /* events */
 813 #ifdef SWM_DEBUG
 814 void
 815 dumpevent(XEvent *e)
 816 {
 817         char                    *name = NULL;
 818
 819         switch (e->type) {
 820         case KeyPress:
 821                 name = "KeyPress";
 822                 break;
 823         case KeyRelease:
 824                 name = "KeyRelease";
 825                 break;
 826         case ButtonPress:
 827                 name = "ButtonPress";
 828                 break;
 829         case ButtonRelease:
 830                 name = "ButtonRelease";
 831                 break;
 832         case MotionNotify:
 833                 name = "MotionNotify";
 834                 break;
 835         case EnterNotify:
 836                 name = "EnterNotify";
 837                 break;
 838         case LeaveNotify:
 839                 name = "LeaveNotify";
 840                 break;
 841         case FocusIn:
 842                 name = "FocusIn";
 843                 break;
 844         case FocusOut:
 845                 name = "FocusOut";
 846                 break;
 847         case KeymapNotify:
 848                 name = "KeymapNotify";
 849                 break;
 850         case Expose:
 851                 name = "Expose";
 852                 break;
 853         case GraphicsExpose:
 854                 name = "GraphicsExpose";
 855                 break;
 856         case NoExpose:
 857                 name = "NoExpose";
 858                 break;
 859         case VisibilityNotify:
 860                 name = "VisibilityNotify";
 861                 break;
 862         case CreateNotify:
 863                 name = "CreateNotify";
 864                 break;
 865         case DestroyNotify:
 866                 name = "DestroyNotify";
 867                 break;
 868         case UnmapNotify:
 869                 name = "UnmapNotify";
 870                 break;
 871         case MapNotify:
 872                 name = "MapNotify";
 873                 break;
 874         case MapRequest:
 875                 name = "MapRequest";
 876                 break;
 877         case ReparentNotify:
 878                 name = "ReparentNotify";
 879                 break;
 880         case ConfigureNotify:
 881                 name = "ConfigureNotify";
 882                 break;
 883         case ConfigureRequest:
 884                 name = "ConfigureRequest";
 885                 break;
 886         case GravityNotify:
 887                 name = "GravityNotify";
 888                 break;
 889         case ResizeRequest:
 890                 name = "ResizeRequest";
 891                 break;
 892         case CirculateNotify:
 893                 name = "CirculateNotify";
 894                 break;
 895         case CirculateRequest:
 896                 name = "CirculateRequest";
 897                 break;
 898         case PropertyNotify:
 899                 name = "PropertyNotify";
 900                 break;
 901         case SelectionClear:
 902                 name = "SelectionClear";
 903                 break;
 904         case SelectionRequest:
 905                 name = "SelectionRequest";
 906                 break;
 907         case SelectionNotify:
 908                 name = "SelectionNotify";
 909                 break;
 910         case ColormapNotify:
 911                 name = "ColormapNotify";
 912                 break;
 913         case ClientMessage:
 914                 name = "ClientMessage";
 915                 break;
 916         case MappingNotify:
 917                 name = "MappingNotify";
 918                 break;
 919         }
 920
 921         if (name)
 922                 DNPRINTF(SWM_D_EVENTQ ,"window: %lu event: %s (%d), %d "
 923                     "remaining\n",
 924                     e->xany.window, name, e->type, QLength(display));
 925         else
 926                 DNPRINTF(SWM_D_EVENTQ, "window: %lu unknown event %d, %d "
 927                     "remaining\n",
 928                     e->xany.window, e->type, QLength(display));
 929 }
 930
 931 void
 932 dumpwins(struct swm_region *r, union arg *args)
 933 {
 934         struct ws_win           *win;
 935         unsigned int            state;
 936         XWindowAttributes       wa;
 937
 938         if (r->ws == NULL) {
 939                 fprintf(stderr, "invalid workspace\n");
 940                 return;
 941         }
 942
 943         fprintf(stderr, "=== managed window list ws %02d ===\n", r->ws->idx);
 944
 945         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
 946                 state = getstate(win->id);
 947                 if (!XGetWindowAttributes(display, win->id, &wa))
 948                         fprintf(stderr, "window: %lu failed "
 949                             "XGetWindowAttributes\n", win->id);
 950                 fprintf(stderr, "window: %lu map_state: %d state: %d "
 951                     "transient: %lu\n",
 952                     win->id, wa.map_state, state, win->transient);
 953         }
 954
 955         fprintf(stderr, "===== unmanaged window list =====\n");
 956         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
 957                 state = getstate(win->id);
 958                 if (!XGetWindowAttributes(display, win->id, &wa))
 959                         fprintf(stderr, "window: %lu failed "
 960                             "XGetWindowAttributes\n", win->id);
 961                 fprintf(stderr, "window: %lu map_state: %d state: %d "
 962                     "transient: %lu\n",
 963                     win->id, wa.map_state, state, win->transient);
 964         }
 965
 966         fprintf(stderr, "=================================\n");
 967 }
 968 #else
 969 #define dumpevent(e)
 970 void
 971 dumpwins(struct swm_region *r, union arg *args)
 972 {
 973 }
 974 #endif /* SWM_DEBUG */
 975
 976 void                    expose(XEvent *);
 977 void                    keypress(XEvent *);
 978 void                    buttonpress(XEvent *);
 979 void                    configurerequest(XEvent *);
 980 void                    configurenotify(XEvent *);
 981 void                    destroynotify(XEvent *);
 982 void                    enternotify(XEvent *);
 983 void                    focusevent(XEvent *);
 984 void                    mapnotify(XEvent *);
 985 void                    mappingnotify(XEvent *);
 986 void                    maprequest(XEvent *);
 987 void                    propertynotify(XEvent *);
 988 void                    unmapnotify(XEvent *);
 989 void                    visibilitynotify(XEvent *);
 990 void                    clientmessage(XEvent *);
 991
 992 void                    (*handler[LASTEvent])(XEvent *) = {
 993                                 [Expose] = expose,
 994                                 [KeyPress] = keypress,
 995                                 [ButtonPress] = buttonpress,
 996                                 [ConfigureRequest] = configurerequest,
 997                                 [ConfigureNotify] = configurenotify,
 998                                 [DestroyNotify] = destroynotify,
 999                                 [EnterNotify] = enternotify,
1000                                 [FocusIn] = focusevent,
1001                                 [FocusOut] = focusevent,
1002                                 [MapNotify] = mapnotify,
1003                                 [MappingNotify] = mappingnotify,
1004                                 [MapRequest] = maprequest,
1005                                 [PropertyNotify] = propertynotify,
1006                                 [UnmapNotify] = unmapnotify,
1007                                 [VisibilityNotify] = visibilitynotify,
1008                                 [ClientMessage] = clientmessage,
1009 };
1010
1011 void
1012 sighdlr(int sig)
1013 {
1014         int                     saved_errno, status;
1015         pid_t                   pid;
1016
1017         saved_errno = errno;
1018
1019         switch (sig) {
1020         case SIGCHLD:
1021                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1022                         if (pid == -1) {
1023                                 if (errno == EINTR)
1024                                         continue;
1025 #ifdef SWM_DEBUG
1026                                 if (errno != ECHILD)
1027                                         warn("sighdlr: waitpid");
1028 #endif /* SWM_DEBUG */
1029                                 break;
1030                         }
1031                         if (pid == searchpid)
1032                                 search_resp = 1;
1033
1034 #ifdef SWM_DEBUG
1035                         if (WIFEXITED(status)) {
1036                                 if (WEXITSTATUS(status) != 0)
1037                                         warnx("sighdlr: child exit status: %d",
1038                                             WEXITSTATUS(status));
1039                         } else
1040                                 warnx("sighdlr: child is terminated "
1041                                     "abnormally");
1042 #endif /* SWM_DEBUG */
1043                 }
1044                 break;
1045
1046         case SIGHUP:
1047                 restart_wm = 1;
1048                 break;
1049         case SIGINT:
1050         case SIGTERM:
1051         case SIGQUIT:
1052                 running = 0;
1053                 break;
1054         }
1055
1056         errno = saved_errno;
1057 }
1058
1059 struct pid_e *
1060 find_pid(long pid)
1061 {
1062         struct pid_e            *p = NULL;
1063
1064         DNPRINTF(SWM_D_MISC, "find_pid: %lu\n", pid);
1065
1066         TAILQ_FOREACH(p, &pidlist, entry) {
1067                 if (p->pid == pid)
1068                         return (p);
1069         }
1070
1071         return (NULL);
1072 }
1073
1074 unsigned long
1075 name_to_color(char *colorname)
1076 {
1077         Colormap                cmap;
1078         Status                  status;
1079         XColor                  screen_def, exact_def;
1080         unsigned long           result = 0;
1081         char                    cname[32] = "#";
1082
1083         cmap = DefaultColormap(display, screens[0].idx);
1084         status = XAllocNamedColor(display, cmap, colorname,
1085             &screen_def, &exact_def);
1086         if (!status) {
1087                 strlcat(cname, colorname + 2, sizeof cname - 1);
1088                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
1089                     &exact_def);
1090         }
1091         if (status)
1092                 result = screen_def.pixel;
1093         else
1094                 fprintf(stderr, "color '%s' not found.\n", colorname);
1095
1096         return (result);
1097 }
1098
1099 void
1100 setscreencolor(char *val, int i, int c)
1101 {
1102         if (i > 0 && i <= ScreenCount(display)) {
1103                 screens[i - 1].c[c].color = name_to_color(val);
1104                 free(screens[i - 1].c[c].name);
1105                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1106                         errx(1, "strdup");
1107         } else if (i == -1) {
1108                 for (i = 0; i < ScreenCount(display); i++) {
1109                         screens[i].c[c].color = name_to_color(val);
1110                         free(screens[i].c[c].name);
1111                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1112                                 errx(1, "strdup");
1113                 }
1114         } else
1115                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
1116                     i, ScreenCount(display));
1117 }
1118
1119 void
1120 custom_region(char *val)
1121 {
1122         unsigned int                    sidx, x, y, w, h;
1123
1124         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1125                 errx(1, "invalid custom region, "
1126                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>\n");
1127         if (sidx < 1 || sidx > ScreenCount(display))
1128                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
1129                     sidx, ScreenCount(display));
1130         sidx--;
1131
1132         if (w < 1 || h < 1)
1133                 errx(1, "region %ux%u+%u+%u too small\n", w, h, x, y);
1134
1135         if (x  < 0 || x > DisplayWidth(display, sidx) ||
1136             y < 0 || y > DisplayHeight(display, sidx) ||
1137             w + x > DisplayWidth(display, sidx) ||
1138             h + y > DisplayHeight(display, sidx)) {
1139                 fprintf(stderr, "ignoring region %ux%u+%u+%u "
1140                     "- not within screen boundaries "
1141                     "(%ux%u)\n", w, h, x, y,
1142                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1143                 return;
1144         }
1145
1146         new_region(&screens[sidx], x, y, w, h);
1147 }
1148
1149 void
1150 socket_setnonblock(int fd)
1151 {
1152         int                     flags;
1153
1154         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1155                 err(1, "fcntl F_GETFL");
1156         flags |= O_NONBLOCK;
1157         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1158                 err(1, "fcntl F_SETFL");
1159 }
1160
1161 void
1162 bar_print(struct swm_region *r, char *s)
1163 {
1164         XClearWindow(display, r->bar_window);
1165         XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
1166         XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
1167             strlen(s));
1168 }
1169
1170 void
1171 bar_extra_stop(void)
1172 {
1173         if (bar_pipe[0]) {
1174                 close(bar_pipe[0]);
1175                 bzero(bar_pipe, sizeof bar_pipe);
1176         }
1177         if (bar_pid) {
1178                 kill(bar_pid, SIGTERM);
1179                 bar_pid = 0;
1180         }
1181         strlcpy(bar_ext, "", sizeof bar_ext);
1182         bar_extra = 0;
1183 }
1184
1185 void
1186 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1187 {
1188         int                     do_class, do_name;
1189         Status                  status;
1190         XClassHint              *xch = NULL;
1191
1192         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
1193             cur_focus != NULL) {
1194                 if ((xch = XAllocClassHint()) == NULL)
1195                         goto out;
1196                 status = XGetClassHint(display, cur_focus->id, xch);
1197                 if (status == BadWindow || status == BadAlloc)
1198                         goto out;
1199                 do_class = (title_class_enabled && xch->res_class != NULL);
1200                 do_name = (title_name_enabled && xch->res_name != NULL);
1201                 if (do_class)
1202                         strlcat(s, xch->res_class, sz);
1203                 if (do_class && do_name)
1204                         strlcat(s, ":", sz);
1205                 if (do_name)
1206                         strlcat(s, xch->res_name, sz);
1207                 strlcat(s, "    ", sz);
1208         }
1209 out:
1210         if (xch)
1211                 XFree(xch);
1212 }
1213
1214 void
1215 bar_window_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1216 {
1217         char                    *title;
1218
1219         if (window_name_enabled && cur_focus != NULL) {
1220                 XFetchName(display, cur_focus->id, &title);
1221                 if (title) {
1222                         if (cur_focus->floating)
1223                                 strlcat(s, "(f) ", sz);
1224                         strlcat(s, title, sz);
1225                         strlcat(s, " ", sz);
1226                         XFree(title);
1227                 }
1228         }
1229 }
1230
1231 void
1232 bar_update(void)
1233 {
1234         time_t                  tmt;
1235         struct tm               tm;
1236         struct swm_region       *r;
1237         int                     i, x;
1238         size_t                  len;
1239         char                    s[SWM_BAR_MAX];
1240         char                    cn[SWM_BAR_MAX];
1241         char                    loc[SWM_BAR_MAX];
1242         char                    *b;
1243         char                    *stack = "";
1244
1245         if (bar_enabled == 0)
1246                 return;
1247         if (bar_extra && bar_extra_running) {
1248                 /* ignore short reads; it'll correct itself */
1249                 while ((b = fgetln(stdin, &len)) != NULL)
1250                         if (b && b[len - 1] == '\n') {
1251                                 b[len - 1] = '\0';
1252                                 strlcpy(bar_ext, b, sizeof bar_ext);
1253                         }
1254                 if (b == NULL && errno != EAGAIN) {
1255                         fprintf(stderr, "bar_extra failed: errno: %d %s\n",
1256                             errno, strerror(errno));
1257                         bar_extra_stop();
1258                 }
1259         } else
1260                 strlcpy(bar_ext, "", sizeof bar_ext);
1261
1262         if (clock_enabled == 0)
1263                 strlcpy(s, "", sizeof s);
1264         else {
1265                 time(&tmt);
1266                 localtime_r(&tmt, &tm);
1267                 strftime(s, sizeof s, clock_format, &tm);
1268                 strlcat(s, "    ", sizeof s);
1269         }
1270
1271         for (i = 0; i < ScreenCount(display); i++) {
1272                 x = 1;
1273                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1274                         strlcpy(cn, "", sizeof cn);
1275                         if (r && r->ws) {
1276                                 bar_class_name(cn, sizeof cn, r->ws->focus);
1277                                 bar_window_name(cn, sizeof cn, r->ws->focus);
1278                         }
1279
1280                         if (stack_enabled)
1281                                 stack = r->ws->cur_layout->name;
1282
1283                         snprintf(loc, sizeof loc, "%d:%d %s   %s%s    %s    %s",
1284                             x++, r->ws->idx + 1, stack, s, cn, bar_ext,
1285                             bar_vertext);
1286                         bar_print(r, loc);
1287                 }
1288         }
1289         alarm(bar_delay);
1290 }
1291
1292 void
1293 bar_signal(int sig)
1294 {
1295         bar_alarm = 1;
1296 }
1297
1298 void
1299 bar_toggle(struct swm_region *r, union arg *args)
1300 {
1301         struct swm_region       *tmpr;
1302         int                     i, sc = ScreenCount(display);
1303
1304         DNPRINTF(SWM_D_MISC, "bar_toggle\n");
1305
1306         if (bar_enabled)
1307                 for (i = 0; i < sc; i++)
1308                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1309                                 XUnmapWindow(display, tmpr->bar_window);
1310         else
1311                 for (i = 0; i < sc; i++)
1312                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1313                                 XMapRaised(display, tmpr->bar_window);
1314
1315         bar_enabled = !bar_enabled;
1316
1317         stack();
1318         /* must be after stack */
1319         bar_update();
1320 }
1321
1322 void
1323 bar_refresh(void)
1324 {
1325         XSetWindowAttributes    wa;
1326         struct swm_region       *r;
1327         int                     i;
1328
1329         /* do this here because the conf file is in memory */
1330         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1331                 /* launch external status app */
1332                 bar_extra_running = 1;
1333                 if (pipe(bar_pipe) == -1)
1334                         err(1, "pipe error");
1335                 socket_setnonblock(bar_pipe[0]);
1336                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1337                 if (dup2(bar_pipe[0], 0) == -1)
1338                         errx(1, "dup2");
1339                 if (dup2(bar_pipe[1], 1) == -1)
1340                         errx(1, "dup2");
1341                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1342                         err(1, "could not disable SIGPIPE");
1343                 switch (bar_pid = fork()) {
1344                 case -1:
1345                         err(1, "cannot fork");
1346                         break;
1347                 case 0: /* child */
1348                         close(bar_pipe[0]);
1349                         execvp(bar_argv[0], bar_argv);
1350                         err(1, "%s external app failed", bar_argv[0]);
1351                         break;
1352                 default: /* parent */
1353                         close(bar_pipe[1]);
1354                         break;
1355                 }
1356         }
1357
1358         bzero(&wa, sizeof wa);
1359         for (i = 0; i < ScreenCount(display); i++)
1360                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1361                         wa.border_pixel =
1362                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1363                         wa.background_pixel =
1364                             screens[i].c[SWM_S_COLOR_BAR].color;
1365                         XChangeWindowAttributes(display, r->bar_window,
1366                             CWBackPixel | CWBorderPixel, &wa);
1367                 }
1368         bar_update();
1369 }
1370
1371 void
1372 bar_setup(struct swm_region *r)
1373 {
1374         int                     i, x, y;
1375
1376         if (bar_fs) {
1377                 XFreeFont(display, bar_fs);
1378                 bar_fs = NULL;
1379         }
1380
1381         for (i = 0; bar_fonts[i] != NULL; i++) {
1382                 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
1383                 if (bar_fs) {
1384                         bar_fidx = i;
1385                         break;
1386                 }
1387         }
1388         if (bar_fonts[i] == NULL)
1389                         errx(1, "couldn't load font");
1390         if (bar_fs == NULL)
1391                 errx(1, "couldn't create font structure");
1392
1393         bar_height = bar_fs->ascent + bar_fs->descent + 1 +
1394             2 * bar_border_width;
1395         x = X(r);
1396         y = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1397
1398         r->bar_window = XCreateSimpleWindow(display,
1399             r->s->root, x, y, WIDTH(r) - 2 * bar_border_width,
1400             bar_height - 2 * bar_border_width,
1401             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1402             r->s->c[SWM_S_COLOR_BAR].color);
1403         bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
1404         XSetFont(display, bar_gc, bar_fs->fid);
1405         XSelectInput(display, r->bar_window, VisibilityChangeMask);
1406         if (bar_enabled)
1407                 XMapRaised(display, r->bar_window);
1408         DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
1409
1410         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1411                 err(1, "could not install bar_signal");
1412         bar_refresh();
1413 }
1414
1415 void
1416 drain_enter_notify(void)
1417 {
1418         int                     i = 0;
1419         XEvent                  cne;
1420
1421         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
1422                 i++;
1423
1424         DNPRINTF(SWM_D_MISC, "drain_enter_notify: drained %d\n", i);
1425 }
1426
1427 void
1428 set_win_state(struct ws_win *win, long state)
1429 {
1430         long                    data[] = {state, None};
1431
1432         DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
1433
1434         if (win == NULL)
1435                 return;
1436
1437         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1438             (unsigned char *)data, 2);
1439 }
1440
1441 long
1442 getstate(Window w)
1443 {
1444         long                    result = -1;
1445         unsigned char           *p = NULL;
1446         unsigned long           n;
1447
1448         if (!get_property(w, astate, 2L, astate, &n, &p))
1449                 return (-1);
1450         if (n != 0)
1451                 result = *((long *)p);
1452         XFree(p);
1453         return (result);
1454 }
1455
1456 void
1457 version(struct swm_region *r, union arg *args)
1458 {
1459         bar_version = !bar_version;
1460         if (bar_version)
1461                 snprintf(bar_vertext, sizeof bar_vertext, "Version: %s CVS: %s",
1462                     SWM_VERSION, cvstag);
1463         else
1464                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1465         bar_update();
1466 }
1467
1468 void
1469 client_msg(struct ws_win *win, Atom a)
1470 {
1471         XClientMessageEvent     cm;
1472
1473         if (win == NULL)
1474                 return;
1475
1476         bzero(&cm, sizeof cm);
1477         cm.type = ClientMessage;
1478         cm.window = win->id;
1479         cm.message_type = aprot;
1480         cm.format = 32;
1481         cm.data.l[0] = a;
1482         cm.data.l[1] = CurrentTime;
1483         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1484 }
1485
1486 void
1487 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
1488 {
1489         XConfigureEvent         ce;
1490
1491         if (win == NULL)
1492                 return;
1493
1494         if (ev == NULL) {
1495                 DNPRINTF(SWM_D_MISC,
1496                     "config_win: win %lu x %d y %d w %d h %d\n",
1497                     win->id, win->g.x, win->g.y, win->g.w, win->g.h);
1498
1499                 ce.type = ConfigureNotify;
1500                 ce.display = display;
1501                 ce.event = win->id;
1502                 ce.window = win->id;
1503                 ce.x = win->g.x;
1504                 ce.y = win->g.y;
1505                 ce.width = win->g.w;
1506                 ce.height = win->g.h;
1507                 ce.border_width = border_width;
1508                 ce.above = None;
1509                 ce.override_redirect = False;
1510         } else {
1511                 DNPRINTF(SWM_D_MISC,
1512                     "config_win: ev win %lu x %d y %d w %d h %d\n",
1513                     ev->window, ev->x, ev->y, ev->width, ev->height);
1514                 ce.type = ConfigureNotify;
1515                 ce.display = ev->display;
1516                 ce.event = ev->window;
1517                 ce.window = ev->window;
1518                 ce.x = ev->x;
1519                 ce.y = ev->y;
1520                 ce.width = ev->width;
1521                 ce.height = ev->height;
1522                 ce.border_width = ev->border_width;
1523                 ce.above = ev->above;
1524                 ce.override_redirect = False;
1525         }
1526
1527         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1528 }
1529
1530 int
1531 count_win(struct workspace *ws, int count_transient)
1532 {
1533         struct ws_win           *win;
1534         int                     count = 0;
1535
1536         TAILQ_FOREACH(win, &ws->winlist, entry) {
1537                 if (count_transient == 0 && win->floating)
1538                         continue;
1539                 if (count_transient == 0 && win->transient)
1540                         continue;
1541                 if (win->iconic)
1542                         continue;
1543                 count++;
1544         }
1545         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1546
1547         return (count);
1548 }
1549
1550 void
1551 quit(struct swm_region *r, union arg *args)
1552 {
1553         DNPRINTF(SWM_D_MISC, "quit\n");
1554         running = 0;
1555 }
1556
1557 void
1558 unmap_window(struct ws_win *win)
1559 {
1560         if (win == NULL)
1561                 return;
1562
1563         /* don't unmap again */
1564         if (getstate(win->id) == IconicState)
1565                 return;
1566
1567         set_win_state(win, IconicState);
1568
1569         XUnmapWindow(display, win->id);
1570         XSetWindowBorder(display, win->id,
1571             win->s->c[SWM_S_COLOR_UNFOCUS].color);
1572 }
1573
1574 void
1575 unmap_all(void)
1576 {
1577         struct ws_win           *win;
1578         int                     i, j;
1579
1580         for (i = 0; i < ScreenCount(display); i++)
1581                 for (j = 0; j < SWM_WS_MAX; j++)
1582                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1583                                 unmap_window(win);
1584 }
1585
1586 void
1587 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1588 {
1589         XKeyEvent event;
1590
1591         if (win == NULL)
1592                 return;
1593
1594         event.display = display;        /* Ignored, but what the hell */
1595         event.window = win->id;
1596         event.root = win->s->root;
1597         event.subwindow = None;
1598         event.time = CurrentTime;
1599         event.x = win->g.x;
1600         event.y = win->g.y;
1601         event.x_root = 1;
1602         event.y_root = 1;
1603         event.same_screen = True;
1604         event.keycode = XKeysymToKeycode(display, keysym);
1605         event.state = modifiers;
1606
1607         event.type = KeyPress;
1608         XSendEvent(event.display, event.window, True,
1609             KeyPressMask, (XEvent *)&event);
1610
1611         event.type = KeyRelease;
1612         XSendEvent(event.display, event.window, True,
1613             KeyPressMask, (XEvent *)&event);
1614
1615 }
1616
1617 void
1618 restart(struct swm_region *r, union arg *args)
1619 {
1620         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
1621
1622         /* disable alarm because the following code may not be interrupted */
1623         alarm(0);
1624         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
1625                 errx(1, "can't disable alarm");
1626
1627         bar_extra_stop();
1628         bar_extra = 1;
1629         unmap_all();
1630         XCloseDisplay(display);
1631         execvp(start_argv[0], start_argv);
1632         fprintf(stderr, "execvp failed\n");
1633         perror(" failed");
1634         quit(NULL, NULL);
1635 }
1636
1637 struct swm_region *
1638 root_to_region(Window root)
1639 {
1640         struct swm_region       *r = NULL;
1641         Window                  rr, cr;
1642         int                     i, x, y, wx, wy;
1643         unsigned int            mask;
1644
1645         for (i = 0; i < ScreenCount(display); i++)
1646                 if (screens[i].root == root)
1647                         break;
1648
1649         if (XQueryPointer(display, screens[i].root,
1650             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
1651                 /* choose a region based on pointer location */
1652                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1653                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
1654                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
1655                                 break;
1656         }
1657
1658         if (r == NULL)
1659                 r = TAILQ_FIRST(&screens[i].rl);
1660
1661         return (r);
1662 }
1663
1664 struct ws_win *
1665 find_unmanaged_window(Window id)
1666 {
1667         struct ws_win           *win;
1668         int                     i, j;
1669
1670         for (i = 0; i < ScreenCount(display); i++)
1671                 for (j = 0; j < SWM_WS_MAX; j++)
1672                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
1673                             entry)
1674                                 if (id == win->id)
1675                                         return (win);
1676         return (NULL);
1677 }
1678
1679 struct ws_win *
1680 find_window(Window id)
1681 {
1682         struct ws_win           *win;
1683         Window                  wrr, wpr, *wcr = NULL;
1684         int                     i, j;
1685         unsigned int            nc;
1686
1687         for (i = 0; i < ScreenCount(display); i++)
1688                 for (j = 0; j < SWM_WS_MAX; j++)
1689                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1690                                 if (id == win->id)
1691                                         return (win);
1692
1693         /* if we were looking for the parent return that window instead */
1694         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
1695                 return (NULL);
1696         if (wcr)
1697                 XFree(wcr);
1698
1699         /* ignore not found and root */
1700         if (wpr == 0 || wrr == wpr)
1701                 return (NULL);
1702
1703         /* look for parent */
1704         for (i = 0; i < ScreenCount(display); i++)
1705                 for (j = 0; j < SWM_WS_MAX; j++)
1706                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1707                                 if (wpr == win->id)
1708                                         return (win);
1709
1710         return (NULL);
1711 }
1712
1713 void
1714 spawn(int ws_idx, union arg *args, int close_fd)
1715 {
1716         int                     fd;
1717         char                    *ret = NULL;
1718
1719         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1720
1721         if (display)
1722                 close(ConnectionNumber(display));
1723
1724         setenv("LD_PRELOAD", SWM_LIB, 1);
1725
1726         if (asprintf(&ret, "%d", ws_idx) == -1) {
1727                 perror("_SWM_WS");
1728                 _exit(1);
1729         }
1730         setenv("_SWM_WS", ret, 1);
1731         free(ret);
1732         ret = NULL;
1733
1734         if (asprintf(&ret, "%d", getpid()) == -1) {
1735                 perror("_SWM_PID");
1736                 _exit(1);
1737         }
1738         setenv("_SWM_PID", ret, 1);
1739         free(ret);
1740         ret = NULL;
1741
1742         if (setsid() == -1) {
1743                 perror("setsid");
1744                 _exit(1);
1745         }
1746
1747         if (close_fd) {
1748                 /*
1749                  * close stdin and stdout to prevent interaction between apps
1750                  * and the baraction script
1751                  * leave stderr open to record errors
1752                 */
1753                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
1754                         perror("open");
1755                         _exit(1);
1756                 }
1757                 dup2(fd, STDIN_FILENO);
1758                 dup2(fd, STDOUT_FILENO);
1759                 if (fd > 2)
1760                         close(fd);
1761         }
1762
1763         execvp(args->argv[0], args->argv);
1764
1765         perror("execvp");
1766         _exit(1);
1767 }
1768
1769 void
1770 spawnterm(struct swm_region *r, union arg *args)
1771 {
1772         DNPRINTF(SWM_D_MISC, "spawnterm\n");
1773
1774         if (fork() == 0) {
1775                 if (term_width)
1776                         setenv("_SWM_XTERM_FONTADJ", "", 1);
1777                 spawn(r->ws->idx, args, 1);
1778         }
1779 }
1780
1781 void
1782 kill_refs(struct ws_win *win)
1783 {
1784         int                     i, x;
1785         struct swm_region       *r;
1786         struct workspace        *ws;
1787
1788         if (win == NULL)
1789                 return;
1790
1791         for (i = 0; i < ScreenCount(display); i++)
1792                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1793                         for (x = 0; x < SWM_WS_MAX; x++) {
1794                                 ws = &r->s->ws[x];
1795                                 if (win == ws->focus)
1796                                         ws->focus = NULL;
1797                                 if (win == ws->focus_prev)
1798                                         ws->focus_prev = NULL;
1799                         }
1800 }
1801
1802 int
1803 validate_win(struct ws_win *testwin)
1804 {
1805         struct ws_win           *win;
1806         struct workspace        *ws;
1807         struct swm_region       *r;
1808         int                     i, x, foundit = 0;
1809
1810         if (testwin == NULL)
1811                 return (0);
1812
1813         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1814                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1815                         for (x = 0; x < SWM_WS_MAX; x++) {
1816                                 ws = &r->s->ws[x];
1817                                 TAILQ_FOREACH(win, &ws->winlist, entry)
1818                                         if (win == testwin)
1819                                                 return (0);
1820                         }
1821         return (1);
1822 }
1823
1824 int
1825 validate_ws(struct workspace *testws)
1826 {
1827         struct swm_region       *r;
1828         struct workspace        *ws;
1829         int                     foundit, i, x;
1830
1831         /* validate all ws */
1832         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1833                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1834                         for (x = 0; x < SWM_WS_MAX; x++) {
1835                                 ws = &r->s->ws[x];
1836                                 if (ws == testws)
1837                                         return (0);
1838                         }
1839         return (1);
1840 }
1841
1842 void
1843 unfocus_win(struct ws_win *win)
1844 {
1845         XEvent                  cne;
1846         Window                  none = None;
1847
1848         DNPRINTF(SWM_D_FOCUS, "unfocus_win: id: %lu\n", WINID(win));
1849
1850         if (win == NULL)
1851                 return;
1852         if (win->ws == NULL)
1853                 return;
1854
1855         if (validate_ws(win->ws))
1856                 return; /* XXX this gets hit with thunderbird, needs fixing */
1857
1858         if (win->ws->r == NULL)
1859                 return;
1860
1861         if (validate_win(win)) {
1862                 kill_refs(win);
1863                 return;
1864         }
1865
1866         if (win->ws->focus == win) {
1867                 win->ws->focus = NULL;
1868                 win->ws->focus_prev = win;
1869         }
1870
1871         if (validate_win(win->ws->focus)) {
1872                 kill_refs(win->ws->focus);
1873                 win->ws->focus = NULL;
1874         }
1875         if (validate_win(win->ws->focus_prev)) {
1876                 kill_refs(win->ws->focus_prev);
1877                 win->ws->focus_prev = NULL;
1878         }
1879
1880         /* drain all previous unfocus events */
1881         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
1882                 ;
1883
1884         grabbuttons(win, 0);
1885         XSetWindowBorder(display, win->id,
1886             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
1887
1888         XChangeProperty(display, win->s->root,
1889             ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
1890             PropModeReplace, (unsigned char *)&none,1);
1891 }
1892
1893 void
1894 unfocus_all(void)
1895 {
1896         struct ws_win           *win;
1897         int                     i, j;
1898
1899         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
1900
1901         for (i = 0; i < ScreenCount(display); i++)
1902                 for (j = 0; j < SWM_WS_MAX; j++)
1903                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1904                                 unfocus_win(win);
1905 }
1906
1907 void
1908 focus_win(struct ws_win *win)
1909 {
1910         XEvent                  cne;
1911         Window                  cur_focus;
1912         int                     rr;
1913         struct ws_win           *cfw = NULL;
1914
1915
1916         DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
1917
1918         if (win == NULL)
1919                 return;
1920         if (win->ws == NULL)
1921                 return;
1922
1923         if (validate_ws(win->ws))
1924                 return; /* XXX this gets hit with thunderbird, needs fixing */
1925
1926         if (validate_win(win)) {
1927                 kill_refs(win);
1928                 return;
1929         }
1930
1931         if (validate_win(win)) {
1932                 kill_refs(win);
1933                 return;
1934         }
1935
1936         XGetInputFocus(display, &cur_focus, &rr);
1937         if ((cfw = find_window(cur_focus)) != NULL)
1938                 unfocus_win(cfw);
1939         else {
1940                 /* use larger hammer since the window was killed somehow */
1941                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
1942                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
1943                                 XSetWindowBorder(display, cfw->id,
1944                                     cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
1945         }
1946
1947         win->ws->focus = win;
1948
1949         if (win->ws->r != NULL) {
1950                 /* drain all previous focus events */
1951                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
1952                         ;
1953
1954                 if (win->java == 0)
1955                         XSetInputFocus(display, win->id,
1956                             RevertToParent, CurrentTime);
1957                 XMapRaised(display, win->id);
1958                 grabbuttons(win, 1);
1959                 XSetWindowBorder(display, win->id,
1960                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
1961                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS)
1962                         XMapRaised(display, win->id);
1963
1964                 XChangeProperty(display, win->s->root,
1965                     ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
1966                     PropModeReplace, (unsigned char *)&win->id,1);
1967         }
1968
1969         if (window_name_enabled)
1970                 bar_update();
1971 }
1972
1973 void
1974 switchws(struct swm_region *r, union arg *args)
1975 {
1976         int                     wsid = args->id, unmap_old = 0;
1977         struct swm_region       *this_r, *other_r;
1978         struct ws_win           *win;
1979         struct workspace        *new_ws, *old_ws;
1980         union arg               a;
1981
1982         if (!(r && r->s))
1983                 return;
1984
1985         this_r = r;
1986         old_ws = this_r->ws;
1987         new_ws = &this_r->s->ws[wsid];
1988
1989         DNPRINTF(SWM_D_WS, "switchws screen[%d]:%dx%d+%d+%d: "
1990             "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
1991             old_ws->idx, wsid);
1992
1993         if (new_ws == NULL || old_ws == NULL)
1994                 return;
1995         if (new_ws == old_ws)
1996                 return;
1997
1998         other_r = new_ws->r;
1999         if (other_r == NULL) {
2000                 /* the other workspace is hidden, hide this one */
2001                 old_ws->r = NULL;
2002                 unmap_old = 1;
2003         } else {
2004                 /* the other ws is visible in another region, exchange them */
2005                 other_r->ws_prior = new_ws;
2006                 other_r->ws = old_ws;
2007                 old_ws->r = other_r;
2008         }
2009         this_r->ws_prior = old_ws;
2010         this_r->ws = new_ws;
2011         new_ws->r = this_r;
2012
2013         /* this is needed so that we can click on a window after a restart */
2014         unfocus_all();
2015
2016         stack();
2017         a.id = SWM_ARG_ID_FOCUSCUR;
2018         focus(new_ws->r, &a);
2019
2020         bar_update();
2021
2022         /* unmap old windows */
2023         if (unmap_old)
2024                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2025                         unmap_window(win);
2026
2027         if (focus_mode == SWM_FOCUS_DEFAULT)
2028                 drain_enter_notify();
2029 }
2030
2031 void
2032 cyclews(struct swm_region *r, union arg *args)
2033 {
2034         union                   arg a;
2035         struct swm_screen       *s = r->s;
2036
2037         DNPRINTF(SWM_D_WS, "cyclews id %d "
2038             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
2039             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2040
2041         a.id = r->ws->idx;
2042         do {
2043                 switch (args->id) {
2044                 case SWM_ARG_ID_CYCLEWS_UP:
2045                         if (a.id < SWM_WS_MAX - 1)
2046                                 a.id++;
2047                         else
2048                                 a.id = 0;
2049                         break;
2050                 case SWM_ARG_ID_CYCLEWS_DOWN:
2051                         if (a.id > 0)
2052                                 a.id--;
2053                         else
2054                                 a.id = SWM_WS_MAX - 1;
2055                         break;
2056                 default:
2057                         return;
2058                 };
2059
2060                 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
2061                         continue;
2062                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2063                         continue;
2064
2065                 switchws(r, &a);
2066         } while (a.id != r->ws->idx);
2067 }
2068
2069 void
2070 priorws(struct swm_region *r, union arg *args)
2071 {
2072         union arg               a;
2073
2074         DNPRINTF(SWM_D_WS, "priorws id %d "
2075             "in screen[%d]:%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         if (r->ws_prior == NULL)
2079                 return;
2080
2081         a.id = r->ws_prior->idx;
2082         switchws(r, &a);
2083 }
2084
2085 void
2086 cyclescr(struct swm_region *r, union arg *args)
2087 {
2088         struct swm_region       *rr = NULL;
2089         union arg               a;
2090         int                     i, x, y;
2091
2092         /* do nothing if we don't have more than one screen */
2093         if (!(ScreenCount(display) > 1 || outputs > 1))
2094                 return;
2095
2096         i = r->s->idx;
2097         switch (args->id) {
2098         case SWM_ARG_ID_CYCLESC_UP:
2099                 rr = TAILQ_NEXT(r, entry);
2100                 if (rr == NULL)
2101                         rr = TAILQ_FIRST(&screens[i].rl);
2102                 break;
2103         case SWM_ARG_ID_CYCLESC_DOWN:
2104                 rr = TAILQ_PREV(r, swm_region_list, entry);
2105                 if (rr == NULL)
2106                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2107                 break;
2108         default:
2109                 return;
2110         };
2111         if (rr == NULL)
2112                 return;
2113
2114         /* move mouse to region */
2115         x = rr->g.x + 1;
2116         y = rr->g.y + 1 + (bar_enabled ? bar_height : 0);
2117         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2118
2119         a.id = SWM_ARG_ID_FOCUSCUR;
2120         focus(rr, &a);
2121
2122         if (rr->ws->focus) {
2123                 /* move to focus window */
2124                 x = rr->ws->focus->g.x + 1;
2125                 y = rr->ws->focus->g.y + 1;
2126                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2127         }
2128 }
2129
2130 void
2131 sort_windows(struct ws_win_list *wl)
2132 {
2133         struct ws_win           *win, *parent, *nxt;
2134
2135         if (wl == NULL)
2136                 return;
2137
2138         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2139                 nxt = TAILQ_NEXT(win, entry);
2140                 if (win->transient) {
2141                         parent = find_window(win->transient);
2142                         if (parent == NULL) {
2143                                 fprintf(stderr, "not possible bug\n");
2144                                 continue;
2145                         }
2146                         TAILQ_REMOVE(wl, win, entry);
2147                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2148                 }
2149         }
2150
2151 }
2152
2153 void
2154 swapwin(struct swm_region *r, union arg *args)
2155 {
2156         struct ws_win           *target, *source;
2157         struct ws_win           *cur_focus;
2158         struct ws_win_list      *wl;
2159
2160
2161         DNPRINTF(SWM_D_WS, "swapwin id %d "
2162             "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
2163             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2164
2165         cur_focus = r->ws->focus;
2166         if (cur_focus == NULL)
2167                 return;
2168
2169         source = cur_focus;
2170         wl = &source->ws->winlist;
2171
2172         switch (args->id) {
2173         case SWM_ARG_ID_SWAPPREV:
2174                 if (source->transient)
2175                         source = find_window(source->transient);
2176                 target = TAILQ_PREV(source, ws_win_list, entry);
2177                 if (target && target->transient)
2178                         target = find_window(target->transient);
2179                 TAILQ_REMOVE(wl, source, entry);
2180                 if (target == NULL)
2181                         TAILQ_INSERT_TAIL(wl, source, entry);
2182                 else
2183                         TAILQ_INSERT_BEFORE(target, source, entry);
2184                 break;
2185         case SWM_ARG_ID_SWAPNEXT:
2186                 target = TAILQ_NEXT(source, entry);
2187                 /* move the parent and let the sort handle the move */
2188                 if (source->transient)
2189                         source = find_window(source->transient);
2190                 TAILQ_REMOVE(wl, source, entry);
2191                 if (target == NULL)
2192                         TAILQ_INSERT_HEAD(wl, source, entry);
2193                 else
2194                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2195                 break;
2196         case SWM_ARG_ID_SWAPMAIN:
2197                 target = TAILQ_FIRST(wl);
2198                 if (target == source) {
2199                         if (source->ws->focus_prev != NULL &&
2200                             source->ws->focus_prev != target)
2201
2202                                 source = source->ws->focus_prev;
2203                         else
2204                                 return;
2205                 }
2206                 if (target == NULL || source == NULL)
2207                         return;
2208                 source->ws->focus_prev = target;
2209                 TAILQ_REMOVE(wl, target, entry);
2210                 TAILQ_INSERT_BEFORE(source, target, entry);
2211                 TAILQ_REMOVE(wl, source, entry);
2212                 TAILQ_INSERT_HEAD(wl, source, entry);
2213                 break;
2214         case SWM_ARG_ID_MOVELAST:
2215                 TAILQ_REMOVE(wl, source, entry);
2216                 TAILQ_INSERT_TAIL(wl, source, entry);
2217                 break;
2218         default:
2219                 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
2220                 return;
2221         }
2222
2223         sort_windows(wl);
2224
2225         stack();
2226 }
2227
2228 void
2229 focus_prev(struct ws_win *win)
2230 {
2231         struct ws_win           *winfocus = NULL, *winlostfocus = NULL;
2232         struct ws_win           *cur_focus = NULL;
2233         struct ws_win_list      *wl = NULL;
2234         struct workspace        *ws = NULL;
2235
2236         DNPRINTF(SWM_D_FOCUS, "focus_prev: id %lu\n", WINID(win));
2237
2238         if (!(win && win->ws))
2239                 return;
2240
2241         ws = win->ws;
2242         wl = &ws->winlist;
2243         cur_focus = ws->focus;
2244         winlostfocus = cur_focus;
2245
2246         /* pickle, just focus on whatever */
2247         if (cur_focus == NULL) {
2248                 /* use prev_focus if valid */
2249                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2250                     find_window(WINID(ws->focus_prev)))
2251                         winfocus = ws->focus_prev;
2252                 if (winfocus == NULL)
2253                         winfocus = TAILQ_FIRST(wl);
2254                 goto done;
2255         }
2256
2257         /* if transient focus on parent */
2258         if (cur_focus->transient) {
2259                 winfocus = find_window(cur_focus->transient);
2260                 goto done;
2261         }
2262
2263         /* if in max_stack try harder */
2264         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2265             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2266                 if (cur_focus != ws->focus_prev)
2267                         winfocus = ws->focus_prev;
2268                 else if (cur_focus != ws->focus)
2269                         winfocus = ws->focus;
2270                 else
2271                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2272                 if (winfocus)
2273                         goto done;
2274         }
2275
2276         if (cur_focus == win)
2277                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
2278         if (winfocus == NULL)
2279                 winfocus = TAILQ_LAST(wl, ws_win_list);
2280         if (winfocus == NULL || winfocus == win)
2281                 winfocus = TAILQ_NEXT(cur_focus, entry);
2282 done:
2283         if (winfocus == winlostfocus || winfocus == NULL)
2284                 return;
2285
2286         focus_magic(winfocus);
2287 }
2288
2289 void
2290 focus(struct swm_region *r, union arg *args)
2291 {
2292         struct ws_win           *winfocus = NULL, *winlostfocus = NULL, *head;
2293         struct ws_win           *cur_focus = NULL;
2294         struct ws_win_list      *wl = NULL;
2295         struct workspace        *ws = NULL;
2296
2297         if (!(r && r->ws))
2298                 return;
2299
2300         DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
2301
2302         /* treat FOCUS_CUR special */
2303         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2304                 if (r->ws->focus && r->ws->focus->iconic == 0)
2305                         winfocus = r->ws->focus;
2306                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2307                         winfocus = r->ws->focus_prev;
2308                 else
2309                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2310                                 if (winfocus->iconic == 0)
2311                                         break;
2312
2313                 focus_magic(winfocus);
2314                 return;
2315         }
2316
2317         if ((cur_focus = r->ws->focus) == NULL)
2318                 return;
2319         ws = r->ws;
2320         wl = &ws->winlist;
2321
2322         winlostfocus = cur_focus;
2323
2324         switch (args->id) {
2325         case SWM_ARG_ID_FOCUSPREV:
2326                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2327                 if (head == NULL)
2328                         head = TAILQ_LAST(wl, ws_win_list);
2329                 winfocus = head;
2330                 if (WINID(winfocus) == cur_focus->transient) {
2331                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2332                         if (head == NULL)
2333                                 head = TAILQ_LAST(wl, ws_win_list);
2334                         winfocus = head;
2335                 }
2336
2337                 /* skip iconics */
2338                 if (winfocus && winfocus->iconic) {
2339                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
2340                                 if (winfocus->iconic == 0)
2341                                         break;
2342                 }
2343                 break;
2344
2345         case SWM_ARG_ID_FOCUSNEXT:
2346                 head = TAILQ_NEXT(cur_focus, entry);
2347                 if (head == NULL)
2348                         head = TAILQ_FIRST(wl);
2349                 winfocus = head;
2350
2351                 /* skip iconics */
2352                 if (winfocus && winfocus->iconic) {
2353                         TAILQ_FOREACH(winfocus, wl, entry)
2354                                 if (winfocus->iconic == 0)
2355                                         break;
2356                 }
2357                 break;
2358
2359         case SWM_ARG_ID_FOCUSMAIN:
2360                 winfocus = TAILQ_FIRST(wl);
2361                 if (winfocus == cur_focus)
2362                         winfocus = cur_focus->ws->focus_prev;
2363                 break;
2364
2365         default:
2366                 return;
2367         }
2368         if (winfocus == winlostfocus || winfocus == NULL)
2369                 return;
2370
2371         focus_magic(winfocus);
2372 }
2373
2374 void
2375 cycle_layout(struct swm_region *r, union arg *args)
2376 {
2377         struct workspace        *ws = r->ws;
2378         struct ws_win           *winfocus;
2379         union arg               a;
2380
2381         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2382
2383         winfocus = ws->focus;
2384
2385         ws->cur_layout++;
2386         if (ws->cur_layout->l_stack == NULL)
2387                 ws->cur_layout = &layouts[0];
2388
2389         stack();
2390         if (focus_mode == SWM_FOCUS_DEFAULT)
2391                 drain_enter_notify();
2392         a.id = SWM_ARG_ID_FOCUSCUR;
2393         focus(r, &a);
2394         bar_update();
2395 }
2396
2397 void
2398 stack_config(struct swm_region *r, union arg *args)
2399 {
2400         struct workspace        *ws = r->ws;
2401
2402         DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
2403             args->id, ws->idx);
2404
2405         if (ws->cur_layout->l_config != NULL)
2406                 ws->cur_layout->l_config(ws, args->id);
2407
2408         if (args->id != SWM_ARG_ID_STACKINIT)
2409                 stack();
2410 }
2411
2412 void
2413 stack(void) {
2414         struct swm_geometry     g;
2415         struct swm_region       *r;
2416         int                     i, j;
2417
2418         DNPRINTF(SWM_D_STACK, "stack\n");
2419
2420         for (i = 0; i < ScreenCount(display); i++) {
2421                 j = 0;
2422                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2423                         DNPRINTF(SWM_D_STACK, "stacking workspace %d "
2424                             "(screen %d, region %d)\n", r->ws->idx, i, j++);
2425
2426                         /* start with screen geometry, adjust for bar */
2427                         g = r->g;
2428                         g.w -= 2 * border_width;
2429                         g.h -= 2 * border_width;
2430                         if (bar_enabled) {
2431                                 if (!bar_at_bottom)
2432                                         g.y += bar_height;
2433                                 g.h -= bar_height;
2434                         }
2435                         r->ws->cur_layout->l_stack(r->ws, &g);
2436                         /* save r so we can track region changes */
2437                         r->ws->old_r = r;
2438                 }
2439         }
2440         if (font_adjusted)
2441                 font_adjusted--;
2442
2443         if (focus_mode == SWM_FOCUS_DEFAULT)
2444                 drain_enter_notify();
2445 }
2446
2447 void
2448 store_float_geom(struct ws_win *win, struct swm_region *r)
2449 {
2450         /* retain window geom and region geom */
2451         win->g_float.x = win->g.x;
2452         win->g_float.y = win->g.y;
2453         win->g_float.w = win->g.w;
2454         win->g_float.h = win->g.h;
2455         win->rg_float.x = r->g.x;
2456         win->rg_float.y = r->g.y;
2457         win->rg_float.w = r->g.w;
2458         win->rg_float.h = r->g.h;
2459         win->g_floatvalid = 1;
2460 }
2461
2462 void
2463 stack_floater(struct ws_win *win, struct swm_region *r)
2464 {
2465         unsigned int            mask;
2466         XWindowChanges          wc;
2467
2468         if (win == NULL)
2469                 return;
2470
2471         bzero(&wc, sizeof wc);
2472         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
2473
2474         /*
2475          * to allow windows to change their size (e.g. mplayer fs) only retrieve
2476          * geom on ws switches or return from max mode
2477          */
2478
2479         if (win->floatmaxed || (r != r->ws->old_r && win->g_floatvalid
2480             && !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
2481                 /*
2482                  * use stored g and rg to set relative position and size
2483                  * as in old region or before max stack mode
2484                  */
2485                 win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
2486                 win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
2487                 win->g.w = win->g_float.w;
2488                 win->g.h = win->g_float.h;
2489                 win->g_floatvalid = 0;
2490         }
2491
2492         win->floatmaxed = 0;
2493
2494         if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w >= WIDTH(r)) &&
2495             (win->g.h >= HEIGHT(r)))
2496                 wc.border_width = 0;
2497         else
2498                 wc.border_width = border_width;
2499         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
2500                 win->g.w = (double)WIDTH(r) * dialog_ratio;
2501                 win->g.h = (double)HEIGHT(r) * dialog_ratio;
2502         }
2503
2504         if (!win->manual) {
2505                 /*
2506                  * floaters and transients are auto-centred unless moved
2507                  * or resized
2508                  */
2509                 win->g.x = r->g.x + (WIDTH(r) - win->g.w) /
2510                     2 - wc.border_width;
2511                 win->g.y = r->g.y + (HEIGHT(r) - win->g.h) /
2512                     2 - wc.border_width;
2513         }
2514
2515         /* win can be outside r if new r smaller than old r */
2516         /* Ensure top left corner inside r (move probs otherwise) */
2517         if (win->g.x < r->g.x - wc.border_width)
2518                 win->g.x = r->g.x - wc.border_width;
2519         if (win->g.x > r->g.x + r->g.w - 1)
2520                 win->g.x = (win->g.w > r->g.w) ? r->g.x :
2521                     (r->g.x + r->g.w - win->g.w - 2 * wc.border_width);
2522         if (win->g.y < r->g.y - wc.border_width)
2523                 win->g.y = r->g.y - wc.border_width;
2524         if (win->g.y > r->g.y + r->g.h - 1)
2525                 win->g.y = (win->g.h > r->g.h) ? r->g.y :
2526                     (r->g.y + r->g.h - win->g.h - 2 * wc.border_width);
2527
2528         wc.x = win->g.x;
2529         wc.y = win->g.y;
2530         wc.width = win->g.w;
2531         wc.height = win->g.h;
2532
2533         /*
2534          * Retain floater and transient geometry for correct positioning
2535          * when ws changes region
2536          */
2537         if (!(win->ewmh_flags & EWMH_F_FULLSCREEN))
2538                 store_float_geom(win, r);
2539
2540         DNPRINTF(SWM_D_MISC, "stack_floater: win %lu x %d y %d w %d h %d\n",
2541             win->id, wc.x, wc.y, wc.width, wc.height);
2542
2543         XConfigureWindow(display, win->id, mask, &wc);
2544 }
2545
2546 /*
2547  * Send keystrokes to terminal to decrease/increase the font size as the
2548  * window size changes.
2549  */
2550 void
2551 adjust_font(struct ws_win *win)
2552 {
2553         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
2554             win->floating || win->transient)
2555                 return;
2556
2557         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
2558             win->g.w / win->sh.width_inc < term_width &&
2559             win->font_steps < SWM_MAX_FONT_STEPS) {
2560                 win->font_size_boundary[win->font_steps] =
2561                     (win->sh.width_inc * term_width) + win->sh.base_width;
2562                 win->font_steps++;
2563                 font_adjusted++;
2564                 win->last_inc = win->sh.width_inc;
2565                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
2566         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
2567             win->g.w > win->font_size_boundary[win->font_steps - 1]) {
2568                 win->font_steps--;
2569                 font_adjusted++;
2570                 win->last_inc = win->sh.width_inc;
2571                 fake_keypress(win, XK_KP_Add, ShiftMask);
2572         }
2573 }
2574
2575 #define SWAPXY(g)       do {                            \
2576         int tmp;                                        \
2577         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
2578         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
2579 } while (0)
2580 void
2581 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
2582 {
2583         XWindowChanges          wc;
2584         XWindowAttributes       wa;
2585         struct swm_geometry     win_g, r_g = *g;
2586         struct ws_win           *win, *fs_win = 0;
2587         int                     i, j, s, stacks;
2588         int                     w_inc = 1, h_inc, w_base = 1, h_base;
2589         int                     hrh, extra = 0, h_slice, last_h = 0;
2590         int                     split, colno, winno, mwin, msize, mscale;
2591         int                     remain, missing, v_slice, reconfigure;
2592         unsigned int            mask;
2593
2594         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
2595             ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
2596
2597         winno = count_win(ws, 0);
2598         if (winno == 0 && count_win(ws, 1) == 0)
2599                 return;
2600
2601         TAILQ_FOREACH(win, &ws->winlist, entry)
2602                 if (win->transient == 0 && win->floating == 0
2603                     && win->iconic == 0)
2604                         break;
2605
2606         if (win == NULL)
2607                 goto notiles;
2608
2609         if (rot) {
2610                 w_inc = win->sh.width_inc;
2611                 w_base = win->sh.base_width;
2612                 mwin = ws->l_state.horizontal_mwin;
2613                 mscale = ws->l_state.horizontal_msize;
2614                 stacks = ws->l_state.horizontal_stacks;
2615                 SWAPXY(&r_g);
2616         } else {
2617                 w_inc = win->sh.height_inc;
2618                 w_base = win->sh.base_height;
2619                 mwin = ws->l_state.vertical_mwin;
2620                 mscale = ws->l_state.vertical_msize;
2621                 stacks = ws->l_state.vertical_stacks;
2622         }
2623         win_g = r_g;
2624
2625         if (stacks > winno - mwin)
2626                 stacks = winno - mwin;
2627         if (stacks < 1)
2628                 stacks = 1;
2629
2630         h_slice = r_g.h / SWM_H_SLICE;
2631         if (mwin && winno > mwin) {
2632                 v_slice = r_g.w / SWM_V_SLICE;
2633
2634                 split = mwin;
2635                 colno = split;
2636                 win_g.w = v_slice * mscale;
2637
2638                 if (w_inc > 1 && w_inc < v_slice) {
2639                         /* adjust for window's requested size increment */
2640                         remain = (win_g.w - w_base) % w_inc;
2641                         missing = w_inc - remain;
2642                         win_g.w -= remain;
2643                         extra += remain;
2644                 }
2645
2646                 msize = win_g.w;
2647                 if (flip)
2648                         win_g.x += r_g.w - msize;
2649         } else {
2650                 msize = -2;
2651                 colno = split = winno / stacks;
2652                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
2653                     2 * border_width) / stacks);
2654         }
2655         hrh = r_g.h / colno;
2656         extra = r_g.h - (colno * hrh);
2657         win_g.h = hrh - 2 * border_width;
2658
2659         /*  stack all the tiled windows */
2660         i = j = 0, s = stacks;
2661         TAILQ_FOREACH(win, &ws->winlist, entry) {
2662                 if (win->transient != 0 || win->floating != 0)
2663                         continue;
2664                 if (win->iconic != 0)
2665                         continue;
2666
2667                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2668                         fs_win = win;
2669                         continue;
2670                 }
2671
2672                 if (split && i == split) {
2673                         colno = (winno - mwin) / stacks;
2674                         if (s <= (winno - mwin) % stacks)
2675                                 colno++;
2676                         split = split + colno;
2677                         hrh = (r_g.h / colno);
2678                         extra = r_g.h - (colno * hrh);
2679                         if (flip)
2680                                 win_g.x = r_g.x;
2681                         else
2682                                 win_g.x += win_g.w + 2 * border_width;
2683                         win_g.w = (r_g.w - msize -
2684                             (stacks * 2 * border_width)) / stacks;
2685                         if (s == 1)
2686                                 win_g.w += (r_g.w - msize -
2687                                     (stacks * 2 * border_width)) % stacks;
2688                         s--;
2689                         j = 0;
2690                 }
2691                 win_g.h = hrh - 2 * border_width;
2692                 if (rot) {
2693                         h_inc = win->sh.width_inc;
2694                         h_base = win->sh.base_width;
2695                 } else {
2696                         h_inc = win->sh.height_inc;
2697                         h_base = win->sh.base_height;
2698                 }
2699                 if (j == colno - 1) {
2700                         win_g.h = hrh + extra;
2701                 } else if (h_inc > 1 && h_inc < h_slice) {
2702                         /* adjust for window's requested size increment */
2703                         remain = (win_g.h - h_base) % h_inc;
2704                         missing = h_inc - remain;
2705
2706                         if (missing <= extra || j == 0) {
2707                                 extra -= missing;
2708                                 win_g.h += missing;
2709                         } else {
2710                                 win_g.h -= remain;
2711                                 extra += remain;
2712                         }
2713                 }
2714
2715                 if (j == 0)
2716                         win_g.y = r_g.y;
2717                 else
2718                         win_g.y += last_h + 2 * border_width;
2719
2720                 bzero(&wc, sizeof wc);
2721                 if (disable_border && bar_enabled == 0 && winno == 1){
2722                         wc.border_width = 0;
2723                         win_g.w += 2 * border_width;
2724                         win_g.h += 2 * border_width;
2725                 } else
2726                         wc.border_width = border_width;
2727                 reconfigure = 0;
2728                 if (rot) {
2729                         if (win->g.x != win_g.y || win->g.y != win_g.x ||
2730                             win->g.w != win_g.h || win->g.h != win_g.w) {
2731                                 reconfigure = 1;
2732                                 win->g.x = wc.x = win_g.y;
2733                                 win->g.y = wc.y = win_g.x;
2734                                 win->g.w = wc.width = win_g.h;
2735                                 win->g.h = wc.height = win_g.w;
2736                         }
2737                 } else {
2738                         if (win->g.x != win_g.x || win->g.y != win_g.y ||
2739                             win->g.w != win_g.w || win->g.h != win_g.h) {
2740                                 reconfigure = 1;
2741                                 win->g.x = wc.x = win_g.x;
2742                                 win->g.y = wc.y = win_g.y;
2743                                 win->g.w = wc.width = win_g.w;
2744                                 win->g.h = wc.height = win_g.h;
2745                         }
2746                 }
2747                 if (reconfigure) {
2748                         adjust_font(win);
2749                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2750                         XConfigureWindow(display, win->id, mask, &wc);
2751                 }
2752
2753                 if (XGetWindowAttributes(display, win->id, &wa))
2754                         if (wa.map_state == IsUnmapped)
2755                                 XMapRaised(display, win->id);
2756
2757                 last_h = win_g.h;
2758                 i++;
2759                 j++;
2760         }
2761
2762 notiles:
2763         /* now, stack all the floaters and transients */
2764         TAILQ_FOREACH(win, &ws->winlist, entry) {
2765                 if (win->transient == 0 && win->floating == 0)
2766                         continue;
2767                 if (win->iconic == 1)
2768                         continue;
2769                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2770                         fs_win = win;
2771                         continue;
2772                 }
2773
2774                 stack_floater(win, ws->r);
2775                 XMapRaised(display, win->id);
2776         }
2777
2778         if (fs_win) {
2779                 stack_floater(fs_win, ws->r);
2780                 XMapRaised(display, fs_win->id);
2781         }
2782 }
2783
2784 void
2785 vertical_config(struct workspace *ws, int id)
2786 {
2787         DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
2788
2789         switch (id) {
2790         case SWM_ARG_ID_STACKRESET:
2791         case SWM_ARG_ID_STACKINIT:
2792                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
2793                 ws->l_state.vertical_mwin = 1;
2794                 ws->l_state.vertical_stacks = 1;
2795                 break;
2796         case SWM_ARG_ID_MASTERSHRINK:
2797                 if (ws->l_state.vertical_msize > 1)
2798                         ws->l_state.vertical_msize--;
2799                 break;
2800         case SWM_ARG_ID_MASTERGROW:
2801                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
2802                         ws->l_state.vertical_msize++;
2803                 break;
2804         case SWM_ARG_ID_MASTERADD:
2805                 ws->l_state.vertical_mwin++;
2806                 break;
2807         case SWM_ARG_ID_MASTERDEL:
2808                 if (ws->l_state.vertical_mwin > 0)
2809                         ws->l_state.vertical_mwin--;
2810                 break;
2811         case SWM_ARG_ID_STACKINC:
2812                 ws->l_state.vertical_stacks++;
2813                 break;
2814         case SWM_ARG_ID_STACKDEC:
2815                 if (ws->l_state.vertical_stacks > 1)
2816                         ws->l_state.vertical_stacks--;
2817                 break;
2818         default:
2819                 return;
2820         }
2821 }
2822
2823 void
2824 vertical_stack(struct workspace *ws, struct swm_geometry *g)
2825 {
2826         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
2827
2828         stack_master(ws, g, 0, 0);
2829 }
2830
2831 void
2832 horizontal_config(struct workspace *ws, int id)
2833 {
2834         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
2835
2836         switch (id) {
2837         case SWM_ARG_ID_STACKRESET:
2838         case SWM_ARG_ID_STACKINIT:
2839                 ws->l_state.horizontal_mwin = 1;
2840                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
2841                 ws->l_state.horizontal_stacks = 1;
2842                 break;
2843         case SWM_ARG_ID_MASTERSHRINK:
2844                 if (ws->l_state.horizontal_msize > 1)
2845                         ws->l_state.horizontal_msize--;
2846                 break;
2847         case SWM_ARG_ID_MASTERGROW:
2848                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
2849                         ws->l_state.horizontal_msize++;
2850                 break;
2851         case SWM_ARG_ID_MASTERADD:
2852                 ws->l_state.horizontal_mwin++;
2853                 break;
2854         case SWM_ARG_ID_MASTERDEL:
2855                 if (ws->l_state.horizontal_mwin > 0)
2856                         ws->l_state.horizontal_mwin--;
2857                 break;
2858         case SWM_ARG_ID_STACKINC:
2859                 ws->l_state.horizontal_stacks++;
2860                 break;
2861         case SWM_ARG_ID_STACKDEC:
2862                 if (ws->l_state.horizontal_stacks > 1)
2863                         ws->l_state.horizontal_stacks--;
2864                 break;
2865         default:
2866                 return;
2867         }
2868 }
2869
2870 void
2871 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
2872 {
2873         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
2874
2875         stack_master(ws, g, 1, 0);
2876 }
2877
2878 /* fullscreen view */
2879 void
2880 max_stack(struct workspace *ws, struct swm_geometry *g)
2881 {
2882         XWindowChanges          wc;
2883         struct swm_geometry     gg = *g;
2884         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
2885         unsigned int            mask;
2886         int                     winno;
2887
2888         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
2889
2890         if (ws == NULL)
2891                 return;
2892
2893         winno = count_win(ws, 0);
2894         if (winno == 0 && count_win(ws, 1) == 0)
2895                 return;
2896
2897         TAILQ_FOREACH(win, &ws->winlist, entry) {
2898                 if (win->transient) {
2899                         wintrans = win;
2900                         parent = find_window(win->transient);
2901                         continue;
2902                 }
2903
2904                 if (win->floating && win->floatmaxed == 0 ) {
2905                         /*
2906                          * retain geometry for retrieval on exit from
2907                          * max_stack mode
2908                          */
2909                         store_float_geom(win, ws->r);
2910                         win->floatmaxed = 1;
2911                 }
2912
2913                 /* only reconfigure if necessary */
2914                 if (win->g.x != gg.x || win->g.y != gg.y || win->g.w != gg.w ||
2915                     win->g.h != gg.h) {
2916                         bzero(&wc, sizeof wc);
2917                         win->g.x = wc.x = gg.x;
2918                         win->g.y = wc.y = gg.y;
2919                         if (bar_enabled){
2920                                 wc.border_width = border_width;
2921                                 win->g.w = wc.width = gg.w;
2922                                 win->g.h = wc.height = gg.h;
2923                         } else {
2924                                 wc.border_width = 0;
2925                                 win->g.w = wc.width = gg.w + 2 * border_width;
2926                                 win->g.h = wc.height = gg.h + 2 * border_width;
2927                         }
2928                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2929                         XConfigureWindow(display, win->id, mask, &wc);
2930                 }
2931                 /* unmap only if we don't have multi screen */
2932                 if (win != ws->focus)
2933                         if (!(ScreenCount(display) > 1 || outputs > 1))
2934                                 unmap_window(win);
2935         }
2936
2937         /* put the last transient on top */
2938         if (wintrans) {
2939                 if (parent)
2940                         XMapRaised(display, parent->id);
2941                 stack_floater(wintrans, ws->r);
2942                 focus_magic(wintrans);
2943         }
2944 }
2945
2946 void
2947 send_to_ws(struct swm_region *r, union arg *args)
2948 {
2949         int                     wsid = args->id;
2950         struct ws_win           *win = NULL, *parent;
2951         struct workspace        *ws, *nws;
2952         Atom                    ws_idx_atom = 0;
2953         unsigned char           ws_idx_str[SWM_PROPLEN];
2954         union arg               a;
2955
2956         if (r && r->ws)
2957                 win = r->ws->focus;
2958         else
2959                 return;
2960         if (win == NULL)
2961                 return;
2962         if (win->ws->idx == wsid)
2963                 return;
2964
2965         DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
2966
2967         ws = win->ws;
2968         nws = &win->s->ws[wsid];
2969
2970         a.id = SWM_ARG_ID_FOCUSPREV;
2971         focus(r, &a);
2972         if (win->transient) {
2973                 parent = find_window(win->transient);
2974                 if (parent) {
2975                         unmap_window(parent);
2976                         TAILQ_REMOVE(&ws->winlist, parent, entry);
2977                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
2978                         parent->ws = nws;
2979                 }
2980         }
2981         unmap_window(win);
2982         TAILQ_REMOVE(&ws->winlist, win, entry);
2983         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
2984         win->ws = nws;
2985
2986         /* Try to update the window's workspace property */
2987         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
2988         if (ws_idx_atom &&
2989             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
2990                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
2991                     ws_idx_str);
2992                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
2993                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
2994         }
2995
2996         stack();
2997 }
2998
2999 void
3000 iconify(struct swm_region *r, union arg *args)
3001 {
3002         union arg a;
3003
3004         if (r->ws->focus == NULL)
3005                 return;
3006         unmap_window(r->ws->focus);
3007         update_iconic(r->ws->focus, 1);
3008         stack();
3009         if (focus_mode == SWM_FOCUS_DEFAULT)
3010                 drain_enter_notify();
3011         r->ws->focus = NULL;
3012         a.id = SWM_ARG_ID_FOCUSCUR;
3013         focus(r, &a);
3014 }
3015
3016 unsigned char *
3017 get_win_name(Display *dpy, Window win, Atom wname, Atom stype,
3018     unsigned long *slen)
3019 {
3020         int                     status, retfmt;
3021         unsigned long           nitems, nbytes, nextra;
3022         unsigned char           *prop = NULL;
3023         Atom                    rettype;
3024
3025         status = XGetWindowProperty(dpy, win, wname, 0L, 0L, False, stype,
3026             &rettype, &retfmt,  &nitems, &nbytes, &prop);
3027         if (status != Success)
3028                 return (NULL);
3029         XFree(prop);
3030
3031         status = XGetWindowProperty(dpy, win, wname, 0L, nbytes, False,
3032             stype, &rettype, &retfmt, &nitems, &nextra, &prop);
3033         if (status != Success) {
3034                 XFree(prop);
3035                 return (NULL);
3036         }
3037         if (rettype != stype) {
3038                 XFree(prop);
3039                 return (NULL);
3040         }
3041         *slen = nitems;
3042         return (prop);
3043 }
3044
3045 void
3046 uniconify(struct swm_region *r, union arg *args)
3047 {
3048         struct ws_win           *win;
3049         FILE                    *lfile;
3050         char                    *name;
3051         int                     count = 0;
3052         unsigned long           len;
3053
3054         DNPRINTF(SWM_D_MISC, "uniconify\n");
3055
3056         if (r && r->ws == NULL)
3057                 return;
3058
3059         /* make sure we have anything to uniconify */
3060         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3061                 if (win->ws == NULL)
3062                         continue; /* should never happen */
3063                 if (win->iconic == 0)
3064                         continue;
3065                 count++;
3066         }
3067         if (count == 0)
3068                 return;
3069
3070         search_r = r;
3071
3072         spawn_select(r, args, "uniconify", &searchpid);
3073
3074         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3075                 return;
3076
3077         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3078                 if (win->ws == NULL)
3079                         continue; /* should never happen */
3080                 if (win->iconic == 0)
3081                         continue;
3082
3083                 name = get_win_name(display, win->id, a_wmname, a_string,
3084                     &len);
3085                 if (name == NULL)
3086                         continue;
3087                 fprintf(lfile, "%s.%lu\n", name, win->id);
3088                 XFree(name);
3089         }
3090
3091         fclose(lfile);
3092 }
3093
3094 #define MAX_RESP_LEN    1024
3095
3096 void
3097 search_do_resp(void)
3098 {
3099         ssize_t                 rbytes;
3100         struct ws_win           *win;
3101         char                    *name, *resp, *s;
3102         unsigned long           len;
3103
3104         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3105
3106         search_resp = 0;
3107         searchpid = 0;
3108
3109         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3110                 fprintf(stderr, "search: calloc\n");
3111                 return;
3112         }
3113
3114         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3115         if (rbytes <= 0) {
3116                 fprintf(stderr, "search: read error: %s\n", strerror(errno));
3117                 goto done;
3118         }
3119         resp[rbytes] = '\0';
3120         len = strlen(resp);
3121
3122         DNPRINTF(SWM_D_MISC, "search_do_resp: resp %s\n", resp);
3123         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3124                 if (win->iconic == 0)
3125                         continue;
3126                 name = get_win_name(display, win->id, a_wmname, a_string, &len);
3127                 if (name == NULL)
3128                         continue;
3129                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3130                         XFree(name);
3131                         continue;
3132                 }
3133                 XFree(name);
3134                 if (strncmp(s, resp, len) == 0) {
3135                         /* XXX this should be a callback to generalize */
3136                         update_iconic(win, 0);
3137                         free(s);
3138                         break;
3139                 }
3140                 free(s);
3141         }
3142 done:
3143         free(resp);
3144 }
3145
3146 void
3147 wkill(struct swm_region *r, union arg *args)
3148 {
3149         DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
3150
3151         if (r->ws->focus == NULL)
3152                 return;
3153
3154         if (args->id == SWM_ARG_ID_KILLWINDOW)
3155                 XKillClient(display, r->ws->focus->id);
3156         else
3157                 if (r->ws->focus->can_delete)
3158                         client_msg(r->ws->focus, adelete);
3159 }
3160
3161
3162 int
3163 floating_toggle_win(struct ws_win *win)
3164 {
3165         struct swm_region       *r;
3166
3167         if (win == NULL)
3168                 return 0;
3169
3170         if (!win->ws->r)
3171                 return 0;
3172
3173         r = win->ws->r;
3174
3175         /* reject floating toggles in max stack mode */
3176         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
3177                 return 0;
3178
3179         if (win->floating) {
3180                 if (!win->floatmaxed) {
3181                         /* retain position for refloat */
3182                         store_float_geom(win, r);
3183                 }
3184                 win->floating = 0;
3185         } else {
3186                 if (win->g_floatvalid) {
3187                         /* refloat at last floating relative position */
3188                         win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
3189                         win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
3190                         win->g.w = win->g_float.w;
3191                         win->g.h = win->g_float.h;
3192                 }
3193                 win->floating = 1;
3194         }
3195
3196         ewmh_update_actions(win);
3197
3198         return 1;
3199 }
3200
3201 void
3202 floating_toggle(struct swm_region *r, union arg *args)
3203 {
3204         struct ws_win           *win = r->ws->focus;
3205         union arg               a;
3206
3207         if (win == NULL)
3208                 return;
3209
3210         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3211             _NET_WM_STATE_TOGGLE);
3212
3213         stack();
3214         if (focus_mode == SWM_FOCUS_DEFAULT)
3215                 drain_enter_notify();
3216
3217         if (win == win->ws->focus) {
3218                 a.id = SWM_ARG_ID_FOCUSCUR;
3219                 focus(win->ws->r, &a);
3220         }
3221 }
3222
3223 void
3224 resize_window(struct ws_win *win, int center)
3225 {
3226         unsigned int            mask;
3227         XWindowChanges          wc;
3228         struct swm_region       *r;
3229
3230         r = root_to_region(win->wa.root);
3231         bzero(&wc, sizeof wc);
3232         mask = CWBorderWidth | CWWidth | CWHeight;
3233         wc.border_width = border_width;
3234         wc.width = win->g.w;
3235         wc.height = win->g.h;
3236         if (center == SWM_ARG_ID_CENTER) {
3237                 wc.x = (WIDTH(r) - win->g.w) / 2 - border_width;
3238                 wc.y = (HEIGHT(r) - win->g.h) / 2 - border_width;
3239                 mask |= CWX | CWY;
3240         }
3241
3242         DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
3243             win->id, wc.x, wc.y, wc.width, wc.height);
3244
3245         XConfigureWindow(display, win->id, mask, &wc);
3246 }
3247
3248 void
3249 resize(struct ws_win *win, union arg *args)
3250 {
3251         XEvent                  ev;
3252         Time                    time = 0;
3253         struct swm_region       *r = win->ws->r;
3254         int                     relx, rely;
3255
3256
3257         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %lu\n",
3258             win->id, win->floating, win->transient);
3259
3260         if (!(win->transient != 0 || win->floating != 0))
3261                 return;
3262
3263         /* reject resizes in max mode for floaters (transient ok) */
3264         if (win->floatmaxed)
3265                 return;
3266
3267         win->manual = 1;
3268         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3269             _NET_WM_STATE_ADD);
3270
3271         stack();
3272         if (focus_mode == SWM_FOCUS_DEFAULT)
3273                 drain_enter_notify();
3274
3275         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3276             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3277                 return;
3278
3279         /* place pointer at bottom left corner or nearest point inside r */
3280         if ( win->g.x + win->g.w < r->g.x + r->g.w - 1)
3281                 relx = win->g.w - 1;
3282         else
3283                 relx = r->g.x + r->g.w - win->g.x - 1;
3284
3285         if ( win->g.y + win->g.h < r->g.y + r->g.h - 1)
3286                 rely = win->g.h - 1;
3287         else
3288                 rely = r->g.y + r->g.h - win->g.y - 1;
3289
3290         XWarpPointer(display, None, win->id, 0, 0, 0, 0, relx, rely);
3291         do {
3292                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3293                     SubstructureRedirectMask, &ev);
3294                 switch (ev.type) {
3295                 case ConfigureRequest:
3296                 case Expose:
3297                 case MapRequest:
3298                         handler[ev.type](&ev);
3299                         break;
3300                 case MotionNotify:
3301                         /* do not allow resize outside of region */
3302                         if (    ev.xmotion.x_root < r->g.x ||
3303                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3304                                 ev.xmotion.y_root < r->g.y ||
3305                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3306                                 continue;
3307
3308                         if (ev.xmotion.x <= 1)
3309                                 ev.xmotion.x = 1;
3310                         if (ev.xmotion.y <= 1)
3311                                 ev.xmotion.y = 1;
3312                         win->g.w = ev.xmotion.x + 1;
3313                         win->g.h = ev.xmotion.y + 1;
3314
3315                         /* not free, don't sync more than 120 times / second */
3316                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3317                                 time = ev.xmotion.time;
3318                                 XSync(display, False);
3319                                 resize_window(win, args->id);
3320                         }
3321                         break;
3322                 }
3323         } while (ev.type != ButtonRelease);
3324         if (time) {
3325                 XSync(display, False);
3326                 resize_window(win, args->id);
3327         }
3328         store_float_geom(win,r);
3329
3330         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
3331             win->g.h - 1);
3332         XUngrabPointer(display, CurrentTime);
3333
3334         /* drain events */
3335         drain_enter_notify();
3336 }
3337
3338 void
3339 move_window(struct ws_win *win)
3340 {
3341         unsigned int            mask;
3342         XWindowChanges          wc;
3343         struct swm_region       *r;
3344
3345         r = root_to_region(win->wa.root);
3346         bzero(&wc, sizeof wc);
3347         mask = CWX | CWY;
3348         wc.x = win->g.x;
3349         wc.y = win->g.y;
3350         wc.border_width = border_width;
3351
3352         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
3353             win->id, wc.x, wc.y, wc.width, wc.height);
3354
3355         XConfigureWindow(display, win->id, mask, &wc);
3356 }
3357
3358 void
3359 move(struct ws_win *win, union arg *args)
3360 {
3361         XEvent                  ev;
3362         Time                    time = 0;
3363         struct swm_region       *r = win->ws->r;
3364
3365         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %lu\n",
3366             win->id, win->floating, win->transient);
3367
3368         /* in max_stack mode should only move transients */
3369         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
3370                 return;
3371
3372         win->manual = 1;
3373         if (win->floating == 0 && !win->transient) {
3374                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3375                     _NET_WM_STATE_ADD);
3376         }
3377         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3378             _NET_WM_STATE_ADD);
3379
3380         stack();
3381
3382         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3383             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3384                 return;
3385         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3386         do {
3387                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3388                     SubstructureRedirectMask, &ev);
3389                 switch (ev.type) {
3390                 case ConfigureRequest:
3391                 case Expose:
3392                 case MapRequest:
3393                         handler[ev.type](&ev);
3394                         break;
3395                 case MotionNotify:
3396                         /* don't allow to move window origin out of region */
3397                         if (    ev.xmotion.x_root < r->g.x ||
3398                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3399                                 ev.xmotion.y_root < r->g.y ||
3400                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3401                                 continue;
3402
3403                         win->g.x = ev.xmotion.x_root - border_width;
3404                         win->g.y = ev.xmotion.y_root - border_width;
3405
3406                         /* not free, don't sync more than 120 times / second */
3407                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3408                                 time = ev.xmotion.time;
3409                                 XSync(display, False);
3410                                 move_window(win);
3411                         }
3412                         break;
3413                 }
3414         } while (ev.type != ButtonRelease);
3415         if (time) {
3416                 XSync(display, False);
3417                 move_window(win);
3418         }
3419         store_float_geom(win,r);
3420         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3421         XUngrabPointer(display, CurrentTime);
3422
3423         /* drain events */
3424         drain_enter_notify();
3425 }
3426
3427 /* user/key callable function IDs */
3428 enum keyfuncid {
3429         kf_cycle_layout,
3430         kf_stack_reset,
3431         kf_master_shrink,
3432         kf_master_grow,
3433         kf_master_add,
3434         kf_master_del,
3435         kf_stack_inc,
3436         kf_stack_dec,
3437         kf_swap_main,
3438         kf_focus_next,
3439         kf_focus_prev,
3440         kf_swap_next,
3441         kf_swap_prev,
3442         kf_spawn_term,
3443         kf_spawn_menu,
3444         kf_quit,
3445         kf_restart,
3446         kf_focus_main,
3447         kf_ws_1,
3448         kf_ws_2,
3449         kf_ws_3,
3450         kf_ws_4,
3451         kf_ws_5,
3452         kf_ws_6,
3453         kf_ws_7,
3454         kf_ws_8,
3455         kf_ws_9,
3456         kf_ws_10,
3457         kf_ws_next,
3458         kf_ws_prev,
3459         kf_ws_prior,
3460         kf_screen_next,
3461         kf_screen_prev,
3462         kf_mvws_1,
3463         kf_mvws_2,
3464         kf_mvws_3,
3465         kf_mvws_4,
3466         kf_mvws_5,
3467         kf_mvws_6,
3468         kf_mvws_7,
3469         kf_mvws_8,
3470         kf_mvws_9,
3471         kf_mvws_10,
3472         kf_bar_toggle,
3473         kf_wind_kill,
3474         kf_wind_del,
3475         kf_screenshot_all,
3476         kf_screenshot_wind,
3477         kf_float_toggle,
3478         kf_version,
3479         kf_spawn_lock,
3480         kf_spawn_initscr,
3481         kf_spawn_custom,
3482         kf_iconify,
3483         kf_uniconify,
3484         kf_dumpwins, /* MUST BE LAST */
3485         kf_invalid
3486 };
3487
3488 /* key definitions */
3489 void
3490 dummykeyfunc(struct swm_region *r, union arg *args)
3491 {
3492 };
3493
3494 void
3495 legacyfunc(struct swm_region *r, union arg *args)
3496 {
3497 };
3498
3499 struct keyfunc {
3500         char                    name[SWM_FUNCNAME_LEN];
3501         void                    (*func)(struct swm_region *r, union arg *);
3502         union arg               args;
3503 } keyfuncs[kf_invalid + 1] = {
3504         /* name                 function        argument */
3505         { "cycle_layout",       cycle_layout,   {0} },
3506         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
3507         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
3508         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
3509         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
3510         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
3511         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
3512         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
3513         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
3514         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
3515         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
3516         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
3517         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
3518         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
3519         { "spawn_menu",         legacyfunc,     {0} },
3520         { "quit",               quit,           {0} },
3521         { "restart",            restart,        {0} },
3522         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
3523         { "ws_1",               switchws,       {.id = 0} },
3524         { "ws_2",               switchws,       {.id = 1} },
3525         { "ws_3",               switchws,       {.id = 2} },
3526         { "ws_4",               switchws,       {.id = 3} },
3527         { "ws_5",               switchws,       {.id = 4} },
3528         { "ws_6",               switchws,       {.id = 5} },
3529         { "ws_7",               switchws,       {.id = 6} },
3530         { "ws_8",               switchws,       {.id = 7} },
3531         { "ws_9",               switchws,       {.id = 8} },
3532         { "ws_10",              switchws,       {.id = 9} },
3533         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
3534         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
3535         { "ws_prior",           priorws,        {0} },
3536         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
3537         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
3538         { "mvws_1",             send_to_ws,     {.id = 0} },
3539         { "mvws_2",             send_to_ws,     {.id = 1} },
3540         { "mvws_3",             send_to_ws,     {.id = 2} },
3541         { "mvws_4",             send_to_ws,     {.id = 3} },
3542         { "mvws_5",             send_to_ws,     {.id = 4} },
3543         { "mvws_6",             send_to_ws,     {.id = 5} },
3544         { "mvws_7",             send_to_ws,     {.id = 6} },
3545         { "mvws_8",             send_to_ws,     {.id = 7} },
3546         { "mvws_9",             send_to_ws,     {.id = 8} },
3547         { "mvws_10",            send_to_ws,     {.id = 9} },
3548         { "bar_toggle",         bar_toggle,     {0} },
3549         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
3550         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
3551         { "screenshot_all",     legacyfunc,     {0} },
3552         { "screenshot_wind",    legacyfunc,     {0} },
3553         { "float_toggle",       floating_toggle,{0} },
3554         { "version",            version,        {0} },
3555         { "spawn_lock",         legacyfunc,     {0} },
3556         { "spawn_initscr",      legacyfunc,     {0} },
3557         { "spawn_custom",       dummykeyfunc,   {0} },
3558         { "iconify",            iconify,        {0} },
3559         { "uniconify",          uniconify,      {0} },
3560         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
3561         { "invalid key func",   NULL,           {0} },
3562 };
3563 struct key {
3564         unsigned int            mod;
3565         KeySym                  keysym;
3566         enum keyfuncid          funcid;
3567         char                    *spawn_name;
3568 };
3569 int                             keys_size = 0, keys_length = 0;
3570 struct key                      *keys = NULL;
3571
3572 /* mouse */
3573 enum { client_click, root_click };
3574 struct button {
3575         unsigned int            action;
3576         unsigned int            mask;
3577         unsigned int            button;
3578         void                    (*func)(struct ws_win *, union arg *);
3579         union arg               args;
3580 } buttons[] = {
3581           /* action     key             mouse button    func    args */
3582         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
3583         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
3584         { client_click, MODKEY,         Button1,        move,   {0} },
3585 };
3586
3587 void
3588 update_modkey(unsigned int mod)
3589 {
3590         int                     i;
3591
3592         mod_key = mod;
3593         for (i = 0; i < keys_length; i++)
3594                 if (keys[i].mod & ShiftMask)
3595                         keys[i].mod = mod | ShiftMask;
3596                 else
3597                         keys[i].mod = mod;
3598
3599         for (i = 0; i < LENGTH(buttons); i++)
3600                 if (buttons[i].mask & ShiftMask)
3601                         buttons[i].mask = mod | ShiftMask;
3602                 else
3603                         buttons[i].mask = mod;
3604 }
3605
3606 /* spawn */
3607 struct spawn_prog {
3608         char                    *name;
3609         int                     argc;
3610         char                    **argv;
3611 };
3612
3613 int                             spawns_size = 0, spawns_length = 0;
3614 struct spawn_prog               *spawns = NULL;
3615
3616 int
3617 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
3618     char ***ret_args)
3619 {
3620         struct spawn_prog       *prog = NULL;
3621         int                     i;
3622         char                    *ap, **real_args;
3623
3624         DNPRINTF(SWM_D_SPAWN, "spawn_expand %s\n", spawn_name);
3625
3626         /* find program */
3627         for (i = 0; i < spawns_length; i++) {
3628                 if (!strcasecmp(spawn_name, spawns[i].name))
3629                         prog = &spawns[i];
3630         }
3631         if (prog == NULL) {
3632                 fprintf(stderr, "spawn_custom: program %s not found\n",
3633                     spawn_name);
3634                 return (-1);
3635         }
3636
3637         /* make room for expanded args */
3638         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
3639                 err(1, "spawn_custom: calloc real_args");
3640
3641         /* expand spawn_args into real_args */
3642         for (i = 0; i < prog->argc; i++) {
3643                 ap = prog->argv[i];
3644                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
3645                 if (!strcasecmp(ap, "$bar_border")) {
3646                         if ((real_args[i] =
3647                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
3648                             == NULL)
3649                                 err(1,  "spawn_custom border color");
3650                 } else if (!strcasecmp(ap, "$bar_color")) {
3651                         if ((real_args[i] =
3652                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
3653                             == NULL)
3654                                 err(1, "spawn_custom bar color");
3655                 } else if (!strcasecmp(ap, "$bar_font")) {
3656                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
3657                             == NULL)
3658                                 err(1, "spawn_custom bar fonts");
3659                 } else if (!strcasecmp(ap, "$bar_font_color")) {
3660                         if ((real_args[i] =
3661                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
3662                             == NULL)
3663                                 err(1, "spawn_custom color font");
3664                 } else if (!strcasecmp(ap, "$color_focus")) {
3665                         if ((real_args[i] =
3666                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
3667                             == NULL)
3668                                 err(1, "spawn_custom color focus");
3669                 } else if (!strcasecmp(ap, "$color_unfocus")) {
3670                         if ((real_args[i] =
3671                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
3672                             == NULL)
3673                                 err(1, "spawn_custom color unfocus");
3674                 } else {
3675                         /* no match --> copy as is */
3676                         if ((real_args[i] = strdup(ap)) == NULL)
3677                                 err(1, "spawn_custom strdup(ap)");
3678                 }
3679                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
3680                     real_args[i]);
3681         }
3682
3683 #ifdef SWM_DEBUG
3684         if ((swm_debug & SWM_D_SPAWN) != 0) {
3685                 fprintf(stderr, "spawn_custom: result = ");
3686                 for (i = 0; i < prog->argc; i++)
3687                         fprintf(stderr, "\"%s\" ", real_args[i]);
3688                 fprintf(stderr, "\n");
3689         }
3690 #endif
3691         *ret_args = real_args;
3692         return (prog->argc);
3693 }
3694
3695 void
3696 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
3697 {
3698         union arg               a;
3699         char                    **real_args;
3700         int                     spawn_argc, i;
3701
3702         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
3703                 return;
3704         a.argv = real_args;
3705         if (fork() == 0)
3706                 spawn(r->ws->idx, &a, 1);
3707
3708         for (i = 0; i < spawn_argc; i++)
3709                 free(real_args[i]);
3710         free(real_args);
3711 }
3712
3713 void
3714 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
3715 {
3716         union arg               a;
3717         char                    **real_args;
3718         int                     i, spawn_argc;
3719
3720         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
3721                 return;
3722         a.argv = real_args;
3723
3724         if (pipe(select_list_pipe) == -1)
3725                 err(1, "pipe error");
3726         if (pipe(select_resp_pipe) == -1)
3727                 err(1, "pipe error");
3728
3729         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
3730                 err(1, "could not disable SIGPIPE");
3731         switch (*pid = fork()) {
3732         case -1:
3733                 err(1, "cannot fork");
3734                 break;
3735         case 0: /* child */
3736                 if (dup2(select_list_pipe[0], 0) == -1)
3737                         errx(1, "dup2");
3738                 if (dup2(select_resp_pipe[1], 1) == -1)
3739                         errx(1, "dup2");
3740                 close(select_list_pipe[1]);
3741                 close(select_resp_pipe[0]);
3742                 spawn(r->ws->idx, &a, 0);
3743                 break;
3744         default: /* parent */
3745                 close(select_list_pipe[0]);
3746                 close(select_resp_pipe[1]);
3747                 break;
3748         }
3749
3750         for (i = 0; i < spawn_argc; i++)
3751                 free(real_args[i]);
3752         free(real_args);
3753 }
3754
3755 void
3756 setspawn(struct spawn_prog *prog)
3757 {
3758         int                     i, j;
3759
3760         if (prog == NULL || prog->name == NULL)
3761                 return;
3762
3763         /* find existing */
3764         for (i = 0; i < spawns_length; i++) {
3765                 if (!strcmp(spawns[i].name, prog->name)) {
3766                         /* found */
3767                         if (prog->argv == NULL) {
3768                                 /* delete */
3769                                 DNPRINTF(SWM_D_SPAWN,
3770                                     "setspawn: delete #%d %s\n",
3771                                     i, spawns[i].name);
3772                                 free(spawns[i].name);
3773                                 for (j = 0; j < spawns[i].argc; j++)
3774                                         free(spawns[i].argv[j]);
3775                                 free(spawns[i].argv);
3776                                 j = spawns_length - 1;
3777                                 if (i < j)
3778                                         spawns[i] = spawns[j];
3779                                 spawns_length--;
3780                                 free(prog->name);
3781                         } else {
3782                                 /* replace */
3783                                 DNPRINTF(SWM_D_SPAWN,
3784                                     "setspawn: replace #%d %s\n",
3785                                     i, spawns[i].name);
3786                                 free(spawns[i].name);
3787                                 for (j = 0; j < spawns[i].argc; j++)
3788                                         free(spawns[i].argv[j]);
3789                                 free(spawns[i].argv);
3790                                 spawns[i] = *prog;
3791                         }
3792                         /* found case handled */
3793                         free(prog);
3794                         return;
3795                 }
3796         }
3797
3798         if (prog->argv == NULL) {
3799                 fprintf(stderr,
3800                     "error: setspawn: cannot find program %s", prog->name);
3801                 free(prog);
3802                 return;
3803         }
3804
3805         /* not found: add */
3806         if (spawns_size == 0 || spawns == NULL) {
3807                 spawns_size = 4;
3808                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
3809                 spawns = malloc((size_t)spawns_size *
3810                     sizeof(struct spawn_prog));
3811                 if (spawns == NULL) {
3812                         fprintf(stderr, "setspawn: malloc failed\n");
3813                         perror(" failed");
3814                         quit(NULL, NULL);
3815                 }
3816         } else if (spawns_length == spawns_size) {
3817                 spawns_size *= 2;
3818                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
3819                 spawns = realloc(spawns, (size_t)spawns_size *
3820                     sizeof(struct spawn_prog));
3821                 if (spawns == NULL) {
3822                         fprintf(stderr, "setspawn: realloc failed\n");
3823                         perror(" failed");
3824                         quit(NULL, NULL);
3825                 }
3826         }
3827
3828         if (spawns_length < spawns_size) {
3829                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
3830                     spawns_length, prog->name);
3831                 i = spawns_length++;
3832                 spawns[i] = *prog;
3833         } else {
3834                 fprintf(stderr, "spawns array problem?\n");
3835                 if (spawns == NULL) {
3836                         fprintf(stderr, "spawns array is NULL!\n");
3837                         quit(NULL, NULL);
3838                 }
3839         }
3840         free(prog);
3841 }
3842
3843 int
3844 setconfspawn(char *selector, char *value, int flags)
3845 {
3846         struct spawn_prog       *prog;
3847         char                    *vp, *cp, *word;
3848
3849         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
3850         if ((prog = calloc(1, sizeof *prog)) == NULL)
3851                 err(1, "setconfspawn: calloc prog");
3852         prog->name = strdup(selector);
3853         if (prog->name == NULL)
3854                 err(1, "setconfspawn prog->name");
3855         if ((cp = vp = strdup(value)) == NULL)
3856                 err(1, "setconfspawn: strdup(value) ");
3857         while ((word = strsep(&cp, " \t")) != NULL) {
3858                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
3859                 if (cp)
3860                         cp += (long)strspn(cp, " \t");
3861                 if (strlen(word) > 0) {
3862                         prog->argc++;
3863                         if ((prog->argv = realloc(prog->argv,
3864                             prog->argc * sizeof(char *))) == NULL)
3865                                 err(1, "setconfspawn: realloc");
3866                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
3867                                 err(1, "setconfspawn: strdup");
3868                 }
3869         }
3870         free(vp);
3871
3872         setspawn(prog);
3873
3874         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
3875         return (0);
3876 }
3877
3878 void
3879 setup_spawn(void)
3880 {
3881         setconfspawn("term",            "xterm",                0);
3882         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
3883         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
3884         setconfspawn("lock",            "xlock",                0);
3885         setconfspawn("initscr",         "initscreen.sh",        0);
3886         setconfspawn("menu",            "dmenu_run"
3887                                         " -fn $bar_font"
3888                                         " -nb $bar_color"
3889                                         " -nf $bar_font_color"
3890                                         " -sb $bar_border"
3891                                         " -sf $bar_color",      0);
3892         setconfspawn("uniconify",       "dmenu"
3893                                         " -i"
3894                                         " -fn $bar_font"
3895                                         " -nb $bar_color"
3896                                         " -nf $bar_font_color"
3897                                         " -sb $bar_border"
3898                                         " -sf $bar_color",      0);
3899 }
3900
3901 /* key bindings */
3902 #define SWM_MODNAME_SIZE        32
3903 #define SWM_KEY_WS              "\n+ \t"
3904 int
3905 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
3906 {
3907         char                    *cp, *name;
3908         KeySym                  uks;
3909         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
3910         if (mod == NULL || ks == NULL) {
3911                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
3912                 return (1);
3913         }
3914         if (keystr == NULL || strlen(keystr) == 0) {
3915                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
3916                 return (1);
3917         }
3918         cp = keystr;
3919         *ks = NoSymbol;
3920         *mod = 0;
3921         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
3922                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
3923                 if (cp)
3924                         cp += (long)strspn(cp, SWM_KEY_WS);
3925                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
3926                         *mod |= currmod;
3927                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
3928                         *mod |= Mod1Mask;
3929                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
3930                         *mod += Mod2Mask;
3931                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
3932                         *mod |= Mod3Mask;
3933                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
3934                         *mod |= Mod4Mask;
3935                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
3936                         *mod |= ShiftMask;
3937                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
3938                         *mod |= ControlMask;
3939                 else {
3940                         *ks = XStringToKeysym(name);
3941                         XConvertCase(*ks, ks, &uks);
3942                         if (ks == NoSymbol) {
3943                                 DNPRINTF(SWM_D_KEY,
3944                                     "parsekeys: invalid key %s\n",
3945                                     name);
3946                                 return (1);
3947                         }
3948                 }
3949         }
3950         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
3951         return (0);
3952 }
3953
3954 char *
3955 strdupsafe(char *str)
3956 {
3957         if (str == NULL)
3958                 return (NULL);
3959         else
3960                 return (strdup(str));
3961 }
3962
3963 void
3964 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
3965     char *spawn_name)
3966 {
3967         int                     i, j;
3968         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
3969             keyfuncs[kfid].name, spawn_name);
3970         /* find existing */
3971         for (i = 0; i < keys_length; i++) {
3972                 if (keys[i].mod == mod && keys[i].keysym == ks) {
3973                         if (kfid == kf_invalid) {
3974                                 /* found: delete */
3975                                 DNPRINTF(SWM_D_KEY,
3976                                     "setkeybinding: delete #%d %s\n",
3977                                     i, keyfuncs[keys[i].funcid].name);
3978                                 free(keys[i].spawn_name);
3979                                 j = keys_length - 1;
3980                                 if (i < j)
3981                                         keys[i] = keys[j];
3982                                 keys_length--;
3983                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
3984                                 return;
3985                         } else {
3986                                 /* found: replace */
3987                                 DNPRINTF(SWM_D_KEY,
3988                                     "setkeybinding: replace #%d %s %s\n",
3989                                     i, keyfuncs[keys[i].funcid].name,
3990                                     spawn_name);
3991                                 free(keys[i].spawn_name);
3992                                 keys[i].mod = mod;
3993                                 keys[i].keysym = ks;
3994                                 keys[i].funcid = kfid;
3995                                 keys[i].spawn_name = strdupsafe(spawn_name);
3996                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
3997                                 return;
3998                         }
3999                 }
4000         }
4001         if (kfid == kf_invalid) {
4002                 fprintf(stderr,
4003                     "error: setkeybinding: cannot find mod/key combination");
4004                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4005                 return;
4006         }
4007         /* not found: add */
4008         if (keys_size == 0 || keys == NULL) {
4009                 keys_size = 4;
4010                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
4011                 keys = malloc((size_t)keys_size * sizeof(struct key));
4012                 if (keys == NULL) {
4013                         fprintf(stderr, "malloc failed\n");
4014                         perror(" failed");
4015                         quit(NULL, NULL);
4016                 }
4017         } else if (keys_length == keys_size) {
4018                 keys_size *= 2;
4019                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
4020                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
4021                 if (keys == NULL) {
4022                         fprintf(stderr, "realloc failed\n");
4023                         perror(" failed");
4024                         quit(NULL, NULL);
4025                 }
4026         }
4027         if (keys_length < keys_size) {
4028                 j = keys_length++;
4029                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
4030                     j, keyfuncs[kfid].name, spawn_name);
4031                 keys[j].mod = mod;
4032                 keys[j].keysym = ks;
4033                 keys[j].funcid = kfid;
4034                 keys[j].spawn_name = strdupsafe(spawn_name);
4035         } else {
4036                 fprintf(stderr, "keys array problem?\n");
4037                 if (keys == NULL) {
4038                         fprintf(stderr, "keys array problem\n");
4039                         quit(NULL, NULL);
4040                 }
4041         }
4042         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4043 }
4044
4045 int
4046 setconfbinding(char *selector, char *value, int flags)
4047 {
4048         enum keyfuncid          kfid;
4049         unsigned int            mod;
4050         KeySym                  ks;
4051         int                     i;
4052         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
4053         if (selector == NULL) {
4054                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
4055                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4056                         kfid = kf_invalid;
4057                         setkeybinding(mod, ks, kfid, NULL);
4058                         return (0);
4059                 } else
4060                         return (1);
4061         }
4062         /* search by key function name */
4063         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
4064                 if (strncasecmp(selector, keyfuncs[kfid].name,
4065                     SWM_FUNCNAME_LEN) == 0) {
4066                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4067                             selector);
4068                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4069                                 setkeybinding(mod, ks, kfid, NULL);
4070                                 return (0);
4071                         } else
4072                                 return (1);
4073                 }
4074         }
4075         /* search by custom spawn name */
4076         for (i = 0; i < spawns_length; i++) {
4077                 if (strcasecmp(selector, spawns[i].name) == 0) {
4078                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4079                             selector);
4080                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4081                                 setkeybinding(mod, ks, kf_spawn_custom,
4082                                     spawns[i].name);
4083                                 return (0);
4084                         } else
4085                                 return (1);
4086                 }
4087         }
4088         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
4089         return (1);
4090 }
4091
4092 void
4093 setup_keys(void)
4094 {
4095         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
4096         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
4097         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
4098         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
4099         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
4100         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
4101         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
4102         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
4103         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
4104         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
4105         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
4106         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
4107         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
4108         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
4109         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,        "menu");
4110         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
4111         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
4112         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
4113         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
4114         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
4115         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
4116         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
4117         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
4118         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
4119         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
4120         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
4121         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
4122         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
4123         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
4124         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
4125         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
4126         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
4127         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
4128         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
4129         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
4130         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
4131         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
4132         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
4133         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
4134         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
4135         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
4136         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
4137         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
4138         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
4139         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
4140         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
4141         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
4142         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
4143         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,        "screenshot_all");
4144         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,        "screenshot_wind");
4145         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
4146         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
4147         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,        "lock");
4148         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,        "initscr");
4149         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
4150         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
4151 #ifdef SWM_DEBUG
4152         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
4153 #endif
4154 }
4155
4156 void
4157 updatenumlockmask(void)
4158 {
4159         unsigned int            i, j;
4160         XModifierKeymap         *modmap;
4161
4162         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
4163         numlockmask = 0;
4164         modmap = XGetModifierMapping(display);
4165         for (i = 0; i < 8; i++)
4166                 for (j = 0; j < modmap->max_keypermod; j++)
4167                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
4168                             == XKeysymToKeycode(display, XK_Num_Lock))
4169                                 numlockmask = (1 << i);
4170
4171         XFreeModifiermap(modmap);
4172 }
4173
4174 void
4175 grabkeys(void)
4176 {
4177         unsigned int            i, j, k;
4178         KeyCode                 code;
4179         unsigned int            modifiers[] =
4180             { 0, LockMask, numlockmask, numlockmask | LockMask };
4181
4182         DNPRINTF(SWM_D_MISC, "grabkeys\n");
4183         updatenumlockmask();
4184
4185         for (k = 0; k < ScreenCount(display); k++) {
4186                 if (TAILQ_EMPTY(&screens[k].rl))
4187                         continue;
4188                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
4189                 for (i = 0; i < keys_length; i++) {
4190                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
4191                                 for (j = 0; j < LENGTH(modifiers); j++)
4192                                         XGrabKey(display, code,
4193                                             keys[i].mod | modifiers[j],
4194                                             screens[k].root, True,
4195                                             GrabModeAsync, GrabModeAsync);
4196                 }
4197         }
4198 }
4199
4200 void
4201 grabbuttons(struct ws_win *win, int focused)
4202 {
4203         unsigned int            i, j;
4204         unsigned int            modifiers[] =
4205             { 0, LockMask, numlockmask, numlockmask|LockMask };
4206
4207         updatenumlockmask();
4208         XUngrabButton(display, AnyButton, AnyModifier, win->id);
4209         if (focused) {
4210                 for (i = 0; i < LENGTH(buttons); i++)
4211                         if (buttons[i].action == client_click)
4212                                 for (j = 0; j < LENGTH(modifiers); j++)
4213                                         XGrabButton(display, buttons[i].button,
4214                                             buttons[i].mask | modifiers[j],
4215                                             win->id, False, BUTTONMASK,
4216                                             GrabModeAsync, GrabModeSync, None,
4217                                             None);
4218         } else
4219                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
4220                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
4221 }
4222
4223 const char *quirkname[] = {
4224         "NONE",         /* config string for "no value" */
4225         "FLOAT",
4226         "TRANSSZ",
4227         "ANYWHERE",
4228         "XTERM_FONTADJ",
4229         "FULLSCREEN",
4230         "FOCUSPREV",
4231 };
4232
4233 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
4234 #define SWM_Q_WS                "\n|+ \t"
4235 int
4236 parsequirks(char *qstr, unsigned long *quirk)
4237 {
4238         char                    *cp, *name;
4239         int                     i;
4240
4241         if (quirk == NULL)
4242                 return (1);
4243
4244         cp = qstr;
4245         *quirk = 0;
4246         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
4247                 if (cp)
4248                         cp += (long)strspn(cp, SWM_Q_WS);
4249                 for (i = 0; i < LENGTH(quirkname); i++) {
4250                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
4251                                 DNPRINTF(SWM_D_QUIRK,
4252                                     "parsequirks: %s\n", name);
4253                                 if (i == 0) {
4254                                         *quirk = 0;
4255                                         return (0);
4256                                 }
4257                                 *quirk |= 1 << (i-1);
4258                                 break;
4259                         }
4260                 }
4261                 if (i >= LENGTH(quirkname)) {
4262                         DNPRINTF(SWM_D_QUIRK,
4263                             "parsequirks: invalid quirk [%s]\n", name);
4264                         return (1);
4265                 }
4266         }
4267         return (0);
4268 }
4269
4270 void
4271 setquirk(const char *class, const char *name, const int quirk)
4272 {
4273         int                     i, j;
4274
4275         /* find existing */
4276         for (i = 0; i < quirks_length; i++) {
4277                 if (!strcmp(quirks[i].class, class) &&
4278                     !strcmp(quirks[i].name, name)) {
4279                         if (!quirk) {
4280                                 /* found: delete */
4281                                 DNPRINTF(SWM_D_QUIRK,
4282                                     "setquirk: delete #%d %s:%s\n",
4283                                     i, quirks[i].class, quirks[i].name);
4284                                 free(quirks[i].class);
4285                                 free(quirks[i].name);
4286                                 j = quirks_length - 1;
4287                                 if (i < j)
4288                                         quirks[i] = quirks[j];
4289                                 quirks_length--;
4290                                 return;
4291                         } else {
4292                                 /* found: replace */
4293                                 DNPRINTF(SWM_D_QUIRK,
4294                                     "setquirk: replace #%d %s:%s\n",
4295                                     i, quirks[i].class, quirks[i].name);
4296                                 free(quirks[i].class);
4297                                 free(quirks[i].name);
4298                                 quirks[i].class = strdup(class);
4299                                 quirks[i].name = strdup(name);
4300                                 quirks[i].quirk = quirk;
4301                                 return;
4302                         }
4303                 }
4304         }
4305         if (!quirk) {
4306                 fprintf(stderr,
4307                     "error: setquirk: cannot find class/name combination");
4308                 return;
4309         }
4310         /* not found: add */
4311         if (quirks_size == 0 || quirks == NULL) {
4312                 quirks_size = 4;
4313                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
4314                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
4315                 if (quirks == NULL) {
4316                         fprintf(stderr, "setquirk: malloc failed\n");
4317                         perror(" failed");
4318                         quit(NULL, NULL);
4319                 }
4320         } else if (quirks_length == quirks_size) {
4321                 quirks_size *= 2;
4322                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
4323                 quirks = realloc(quirks,
4324                     (size_t)quirks_size * sizeof(struct quirk));
4325                 if (quirks == NULL) {
4326                         fprintf(stderr, "setquirk: realloc failed\n");
4327                         perror(" failed");
4328                         quit(NULL, NULL);
4329                 }
4330         }
4331         if (quirks_length < quirks_size) {
4332                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
4333                 j = quirks_length++;
4334                 quirks[j].class = strdup(class);
4335                 quirks[j].name = strdup(name);
4336                 quirks[j].quirk = quirk;
4337         } else {
4338                 fprintf(stderr, "quirks array problem?\n");
4339                 if (quirks == NULL) {
4340                         fprintf(stderr, "quirks array problem!\n");
4341                         quit(NULL, NULL);
4342                 }
4343         }
4344 }
4345
4346 int
4347 setconfquirk(char *selector, char *value, int flags)
4348 {
4349         char                    *cp, *class, *name;
4350         int                     retval;
4351         unsigned long           quirks;
4352         if (selector == NULL)
4353                 return (0);
4354         if ((cp = strchr(selector, ':')) == NULL)
4355                 return (0);
4356         *cp = '\0';
4357         class = selector;
4358         name = cp + 1;
4359         if ((retval = parsequirks(value, &quirks)) == 0)
4360                 setquirk(class, name, quirks);
4361         return (retval);
4362 }
4363
4364 void
4365 setup_quirks(void)
4366 {
4367         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
4368         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
4369         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
4370         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
4371         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4372         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
4373         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4374         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4375         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4376         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4377         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
4378         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
4379         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
4380 }
4381
4382 /* conf file stuff */
4383 #define SWM_CONF_FILE   "scrotwm.conf"
4384
4385 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_BAR_BORDER_WIDTH,
4386           SWM_S_STACK_ENABLED, SWM_S_CLOCK_ENABLED, SWM_S_CLOCK_FORMAT,
4387           SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE, SWM_S_SS_ENABLED,
4388           SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
4389           SWM_S_TITLE_NAME_ENABLED, SWM_S_WINDOW_NAME_ENABLED,
4390           SWM_S_FOCUS_MODE, SWM_S_DISABLE_BORDER, SWM_S_BORDER_WIDTH,
4391           SWM_S_BAR_FONT, SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM,
4392           SWM_S_SS_APP, SWM_S_DIALOG_RATIO, SWM_S_BAR_AT_BOTTOM
4393         };
4394
4395 int
4396 setconfvalue(char *selector, char *value, int flags)
4397 {
4398         switch (flags) {
4399         case SWM_S_BAR_DELAY:
4400                 bar_delay = atoi(value);
4401                 break;
4402         case SWM_S_BAR_ENABLED:
4403                 bar_enabled = atoi(value);
4404                 break;
4405         case SWM_S_BAR_BORDER_WIDTH:
4406                 bar_border_width = atoi(value);
4407                 break;
4408         case SWM_S_BAR_AT_BOTTOM:
4409                 bar_at_bottom = atoi(value);
4410                 break;
4411         case SWM_S_STACK_ENABLED:
4412                 stack_enabled = atoi(value);
4413                 break;
4414         case SWM_S_CLOCK_ENABLED:
4415                 clock_enabled = atoi(value);
4416                 break;
4417         case SWM_S_CLOCK_FORMAT:
4418 #ifndef SWM_DENY_CLOCK_FORMAT
4419                 free(clock_format);
4420                 if ((clock_format = strdup(value)) == NULL)
4421                         err(1, "setconfvalue: clock_format");
4422 #endif
4423                 break;
4424         case SWM_S_CYCLE_EMPTY:
4425                 cycle_empty = atoi(value);
4426                 break;
4427         case SWM_S_CYCLE_VISIBLE:
4428                 cycle_visible = atoi(value);
4429                 break;
4430         case SWM_S_SS_ENABLED:
4431                 ss_enabled = atoi(value);
4432                 break;
4433         case SWM_S_TERM_WIDTH:
4434                 term_width = atoi(value);
4435                 break;
4436         case SWM_S_TITLE_CLASS_ENABLED:
4437                 title_class_enabled = atoi(value);
4438                 break;
4439         case SWM_S_WINDOW_NAME_ENABLED:
4440                 window_name_enabled = atoi(value);
4441                 break;
4442         case SWM_S_TITLE_NAME_ENABLED:
4443                 title_name_enabled = atoi(value);
4444                 break;
4445         case SWM_S_FOCUS_MODE:
4446                 if (!strcmp(value, "default"))
4447                         focus_mode = SWM_FOCUS_DEFAULT;
4448                 else if (!strcmp(value, "follow_cursor"))
4449                         focus_mode = SWM_FOCUS_FOLLOW;
4450                 else if (!strcmp(value, "synergy"))
4451                         focus_mode = SWM_FOCUS_SYNERGY;
4452                 else
4453                         err(1, "focus_mode");
4454                 break;
4455         case SWM_S_DISABLE_BORDER:
4456                 disable_border = atoi(value);
4457                 break;
4458         case SWM_S_BORDER_WIDTH:
4459                 border_width = atoi(value);
4460                 break;
4461         case SWM_S_BAR_FONT:
4462                 free(bar_fonts[0]);
4463                 if ((bar_fonts[0] = strdup(value)) == NULL)
4464                         err(1, "setconfvalue: bar_font");
4465                 break;
4466         case SWM_S_BAR_ACTION:
4467                 free(bar_argv[0]);
4468                 if ((bar_argv[0] = strdup(value)) == NULL)
4469                         err(1, "setconfvalue: bar_action");
4470                 break;
4471         case SWM_S_SPAWN_TERM:
4472                 free(spawn_term[0]);
4473                 if ((spawn_term[0] = strdup(value)) == NULL)
4474                         err(1, "setconfvalue: spawn_term");
4475                 break;
4476         case SWM_S_SS_APP:
4477                 break;
4478         case SWM_S_DIALOG_RATIO:
4479                 dialog_ratio = atof(value);
4480                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
4481                         dialog_ratio = .6;
4482                 break;
4483         default:
4484                 return (1);
4485         }
4486         return (0);
4487 }
4488
4489 int
4490 setconfmodkey(char *selector, char *value, int flags)
4491 {
4492         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
4493                 update_modkey(Mod1Mask);
4494         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
4495                 update_modkey(Mod2Mask);
4496         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
4497                 update_modkey(Mod3Mask);
4498         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
4499                 update_modkey(Mod4Mask);
4500         else
4501                 return (1);
4502         return (0);
4503 }
4504
4505 int
4506 setconfcolor(char *selector, char *value, int flags)
4507 {
4508         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
4509         return (0);
4510 }
4511
4512 int
4513 setconfregion(char *selector, char *value, int flags)
4514 {
4515         custom_region(value);
4516         return (0);
4517 }
4518
4519 int
4520 setautorun(char *selector, char *value, int flags)
4521 {
4522         int                     ws_id;
4523         char                    s[1024];
4524         union arg               a;
4525         char                    *real_args[] = { NULL, NULL };
4526         long                    pid;
4527         struct pid_e            *p;
4528
4529         if (getenv("SWM_STARTED"))
4530                 return (0);
4531
4532         bzero(s, sizeof s);
4533         if (sscanf(value, "ws[%d]:%1023s", &ws_id, s) != 2)
4534                 errx(1, "invalid autorun entry, should be 'ws:command'\n");
4535         ws_id--;
4536         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
4537                 errx(1, "invalid workspace %d\n", ws_id + 1);
4538
4539         /*
4540          * This is a little intricate
4541          *
4542          * If the pid already exists we simply reuse it because it means it was
4543          * used before AND not claimed by manage_window.  We get away with
4544          * altering it in the parent after INSERT because this can not be a race
4545          */
4546         real_args[0] = s;
4547         a.argv = real_args; /* XXX this sucks and should have args for real */
4548         if ((pid = fork()) == 0) {
4549                 spawn(ws_id, &a, 1);
4550                 /* NOTREACHED */
4551                 _exit(1);
4552         }
4553
4554         /* parent */
4555         p = find_pid(pid);
4556         if (p == NULL) {
4557                 p = calloc(1, sizeof *p);
4558                 if (p == NULL)
4559                         return (1);
4560                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
4561         }
4562
4563         p->pid = pid;
4564         p->ws = ws_id;
4565
4566         return (0);
4567 }
4568
4569 /* config options */
4570 struct config_option {
4571         char                    *optname;
4572         int (*func)(char*, char*, int);
4573         int funcflags;
4574 };
4575 struct config_option configopt[] = {
4576         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
4577         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
4578         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
4579         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
4580         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
4581         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
4582         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
4583         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
4584         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
4585         { "bind",                       setconfbinding, 0 },
4586         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
4587         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
4588         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
4589         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
4590         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
4591         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
4592         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
4593         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
4594         { "modkey",                     setconfmodkey,  0 },
4595         { "program",                    setconfspawn,   0 },
4596         { "quirk",                      setconfquirk,   0 },
4597         { "region",                     setconfregion,  0 },
4598         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
4599         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
4600         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
4601         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
4602         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
4603         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
4604         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
4605         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
4606         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
4607         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
4608         { "autorun",                    setautorun,     0 },
4609 };
4610
4611
4612 int
4613 conf_load(char *filename)
4614 {
4615         FILE                    *config;
4616         char                    *line, *cp, *optsub, *optval;
4617         size_t                  linelen, lineno = 0;
4618         int                     wordlen, i, optind;
4619         struct config_option    *opt;
4620
4621         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
4622
4623         if (filename == NULL) {
4624                 fprintf(stderr, "conf_load: no filename\n");
4625                 return (1);
4626         }
4627         if ((config = fopen(filename, "r")) == NULL) {
4628                 warn("conf_load: fopen");
4629                 return (1);
4630         }
4631
4632         while (!feof(config)) {
4633                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
4634                     == NULL) {
4635                         if (ferror(config))
4636                                 err(1, "%s", filename);
4637                         else
4638                                 continue;
4639                 }
4640                 cp = line;
4641                 cp += strspn(cp, " \t\n"); /* eat whitespace */
4642                 if (cp[0] == '\0') {
4643                         /* empty line */
4644                         free(line);
4645                         continue;
4646                 }
4647                 /* get config option */
4648                 wordlen = strcspn(cp, "=[ \t\n");
4649                 if (wordlen == 0) {
4650                         warnx("%s: line %zd: no option found",
4651                             filename, lineno);
4652                         return (1);
4653                 }
4654                 optind = -1;
4655                 for (i = 0; i < LENGTH(configopt); i++) {
4656                         opt = &configopt[i];
4657                         if (!strncasecmp(cp, opt->optname, wordlen) &&
4658                             strlen(opt->optname) == wordlen) {
4659                                 optind = i;
4660                                 break;
4661                         }
4662                 }
4663                 if (optind == -1) {
4664                         warnx("%s: line %zd: unknown option %.*s",
4665                             filename, lineno, wordlen, cp);
4666                         return (1);
4667                 }
4668                 cp += wordlen;
4669                 cp += strspn(cp, " \t\n"); /* eat whitespace */
4670                 /* get [selector] if any */
4671                 optsub = NULL;
4672                 if (*cp == '[') {
4673                         cp++;
4674                         wordlen = strcspn(cp, "]");
4675                         if (*cp != ']') {
4676                                 if (wordlen == 0) {
4677                                         warnx("%s: line %zd: syntax error",
4678                                             filename, lineno);
4679                                         return (1);
4680                                 }
4681                                 asprintf(&optsub, "%.*s", wordlen, cp);
4682                         }
4683                         cp += wordlen;
4684                         cp += strspn(cp, "] \t\n"); /* eat trailing */
4685                 }
4686                 cp += strspn(cp, "= \t\n"); /* eat trailing */
4687                 /* get RHS value */
4688                 optval = strdup(cp);
4689                 /* call function to deal with it all */
4690                 if (configopt[optind].func(optsub, optval,
4691                     configopt[optind].funcflags) != 0) {
4692                         fprintf(stderr, "%s line %zd: %s\n",
4693                             filename, lineno, line);
4694                         errx(1, "%s: line %zd: invalid data for %s",
4695                             filename, lineno, configopt[optind].optname);
4696                 }
4697                 free(optval);
4698                 free(optsub);
4699                 free(line);
4700         }
4701
4702         fclose(config);
4703         DNPRINTF(SWM_D_CONF, "conf_load end\n");
4704
4705         return (0);
4706 }
4707
4708 void
4709 set_child_transient(struct ws_win *win, Window *trans)
4710 {
4711         struct ws_win           *parent, *w;
4712         XWMHints                *wmh = NULL;
4713         struct swm_region       *r;
4714         struct workspace        *ws;
4715
4716         parent = find_window(win->transient);
4717         if (parent)
4718                 parent->child_trans = win;
4719         else {
4720                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
4721                     " for %lu trans %lu\n", win->id, win->transient);
4722
4723                 if (win->hints == NULL) {
4724                         fprintf(stderr, "no hints for %lu\n", win->id);
4725                         return;
4726                 }
4727
4728                 r = root_to_region(win->wa.root);
4729                 ws = r->ws;
4730                 /* parent doen't exist in our window list */
4731                 TAILQ_FOREACH(w, &ws->winlist, entry) {
4732                         if (wmh)
4733                                 XFree(wmh);
4734
4735                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
4736                                 fprintf(stderr, "can't get hints for %lu\n",
4737                                     w->id);
4738                                 continue;
4739                         }
4740
4741                         if (win->hints->window_group != wmh->window_group)
4742                                 continue;
4743
4744                         w->child_trans = win;
4745                         win->transient = w->id;
4746                         *trans = w->id;
4747                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
4748                             "transient to %lu\n", win->transient);
4749                         break;
4750                 }
4751         }
4752
4753         if (wmh)
4754                 XFree(wmh);
4755 }
4756
4757 long
4758 window_get_pid(Window win)
4759 {
4760         Atom                    actual_type_return;
4761         int                     actual_format_return = 0;
4762         unsigned long           nitems_return = 0;
4763         unsigned long           bytes_after_return = 0;
4764         long                    *pid = 0;
4765         long                    ret = 0;
4766
4767         if (XGetWindowProperty(display, win,
4768             XInternAtom(display, "_NET_WM_PID", False), 0, 1, False,
4769             XA_CARDINAL, &actual_type_return, &actual_format_return,
4770             &nitems_return, &bytes_after_return,
4771             (unsigned char**)(void*)&pid) != Success)
4772                 return (0);
4773
4774         ret = pid[0];
4775         XFree(pid);
4776
4777         return (ret);
4778 }
4779
4780 struct ws_win *
4781 manage_window(Window id)
4782 {
4783         Window                  trans = 0;
4784         struct workspace        *ws;
4785         struct ws_win           *win, *ww;
4786         int                     format, i, ws_idx, n, border_me = 0;
4787         unsigned long           nitems, bytes;
4788         Atom                    ws_idx_atom = 0, type;
4789         Atom                    *prot = NULL, *pp;
4790         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
4791         struct swm_region       *r;
4792         long                    mask;
4793         const char              *errstr;
4794         XWindowChanges          wc;
4795         struct pid_e            *p;
4796
4797         if ((win = find_window(id)) != NULL)
4798                 return (win);   /* already being managed */
4799
4800         /* see if we are on the unmanaged list */
4801         if ((win = find_unmanaged_window(id)) != NULL) {
4802                 DNPRINTF(SWM_D_MISC, "manage previously unmanaged window "
4803                     "%lu\n", win->id);
4804                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
4805                 if (win->transient) {
4806                         set_child_transient(win, &trans);
4807                 } if (trans && (ww = find_window(trans)))
4808                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
4809                 else
4810                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
4811                 ewmh_update_actions(win);
4812                 return (win);
4813         }
4814
4815         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
4816                 errx(1, "calloc: failed to allocate memory for new window");
4817
4818         win->id = id;
4819
4820         /* see if we need to override the workspace */
4821         p = find_pid(window_get_pid(id));
4822
4823         /* Get all the window data in one shot */
4824         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
4825         if (ws_idx_atom) {
4826                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
4827                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
4828         }
4829         XGetWindowAttributes(display, id, &win->wa);
4830         XGetWMNormalHints(display, id, &win->sh, &mask);
4831         win->hints = XGetWMHints(display, id);
4832         XGetTransientForHint(display, id, &trans);
4833         if (trans) {
4834                 win->transient = trans;
4835                 set_child_transient(win, &trans);
4836                 DNPRINTF(SWM_D_MISC, "manage_window: win %lu transient %lu\n",
4837                     win->id, win->transient);
4838         }
4839
4840         /* get supported protocols */
4841         if (XGetWMProtocols(display, id, &prot, &n)) {
4842                 for (i = 0, pp = prot; i < n; i++, pp++) {
4843                         if (*pp == takefocus)
4844                                 win->take_focus = 1;
4845                         if (*pp == adelete)
4846                                 win->can_delete = 1;
4847                 }
4848                 if (prot)
4849                         XFree(prot);
4850         }
4851
4852         win->iconic = get_iconic(win);
4853
4854         /*
4855          * Figure out where to put the window. If it was previously assigned to
4856          * a workspace (either by spawn() or manually moving), and isn't
4857          * transient, * put it in the same workspace
4858          */
4859         r = root_to_region(win->wa.root);
4860         if (p) {
4861                 ws = &r->s->ws[p->ws];
4862                 TAILQ_REMOVE(&pidlist, p, entry);
4863                 free(p);
4864                 p = NULL;
4865         } else if (prop && win->transient == 0) {
4866                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
4867                 ws_idx = strtonum(prop, 0, 9, &errstr);
4868                 if (errstr) {
4869                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
4870                             errstr, prop);
4871                 }
4872                 ws = &r->s->ws[ws_idx];
4873         } else {
4874                 ws = r->ws;
4875                 /* this should launch transients in the same ws as parent */
4876                 if (id && trans)
4877                         if ((ww = find_window(trans)) != NULL)
4878                                 if (ws->r) {
4879                                         ws = ww->ws;
4880                                         if (ww->ws->r)
4881                                                 r = ww->ws->r;
4882                                         else
4883                                                 fprintf(stderr,
4884                                                     "fix this bug mcbride\n");
4885                                         border_me = 1;
4886                                 }
4887         }
4888
4889         /* set up the window layout */
4890         win->id = id;
4891         win->ws = ws;
4892         win->s = r->s;  /* this never changes */
4893         if (trans && (ww = find_window(trans)))
4894                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
4895         else
4896                 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
4897
4898         win->g.w = win->wa.width;
4899         win->g.h = win->wa.height;
4900         win->g.x = win->wa.x;
4901         win->g.y = win->wa.y;
4902         win->g_floatvalid = 0;
4903         win->floatmaxed = 0;
4904         win->ewmh_flags = 0;
4905
4906         /* Set window properties so we can remember this after reincarnation */
4907         if (ws_idx_atom && prop == NULL &&
4908             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) < SWM_PROPLEN) {
4909                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
4910                     ws_idx_str);
4911                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
4912                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
4913         }
4914         if (prop)
4915                 XFree(prop);
4916
4917         ewmh_autoquirk(win);
4918
4919         if (XGetClassHint(display, win->id, &win->ch)) {
4920                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
4921                     win->ch.res_class, win->ch.res_name);
4922
4923                 /* java is retarded so treat it special */
4924                 if (strstr(win->ch.res_name, "sun-awt")) {
4925                         win->java = 1;
4926                         border_me = 1;
4927                 }
4928
4929                 for (i = 0; i < quirks_length; i++){
4930                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
4931                             !strcmp(win->ch.res_name, quirks[i].name)) {
4932                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
4933                                     win->ch.res_class, win->ch.res_name);
4934                                 if (quirks[i].quirk & SWM_Q_FLOAT) {
4935                                         win->floating = 1;
4936                                         border_me = 1;
4937                                 }
4938                                 win->quirks = quirks[i].quirk;
4939                         }
4940                 }
4941         }
4942
4943         /* alter window position if quirky */
4944         if (win->quirks & SWM_Q_ANYWHERE) {
4945                 win->manual = 1; /* don't center the quirky windows */
4946                 bzero(&wc, sizeof wc);
4947                 mask = 0;
4948                 if (bar_enabled && win->g.y < bar_height) {
4949                         win->g.y = wc.y = bar_height;
4950                         mask |= CWY;
4951                 }
4952                 if (win->g.w + win->g.x > WIDTH(r)) {
4953                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
4954                         mask |= CWX;
4955                 }
4956                 border_me = 1;
4957         }
4958
4959         /* Reset font sizes (the bruteforce way; no default keybinding). */
4960         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
4961                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
4962                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
4963                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
4964                         fake_keypress(win, XK_KP_Add, ShiftMask);
4965         }
4966
4967         ewmh_get_win_state(win);
4968         ewmh_update_actions(win);
4969         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
4970
4971         /* border me */
4972         if (border_me) {
4973                 bzero(&wc, sizeof wc);
4974                 wc.border_width = border_width;
4975                 mask = CWBorderWidth;
4976                 XConfigureWindow(display, win->id, mask, &wc);
4977         }
4978
4979         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
4980             PropertyChangeMask | StructureNotifyMask);
4981
4982         /* floaters need to be mapped if they are in the current workspace */
4983         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
4984                 XMapRaised(display, win->id);
4985
4986         return (win);
4987 }
4988
4989 void
4990 free_window(struct ws_win *win)
4991 {
4992         DNPRINTF(SWM_D_MISC, "free_window:  %lu\n", win->id);
4993
4994         if (win == NULL)
4995                 return;
4996
4997         /* needed for restart wm */
4998         set_win_state(win, WithdrawnState);
4999
5000         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5001
5002         if (win->ch.res_class)
5003                 XFree(win->ch.res_class);
5004         if (win->ch.res_name)
5005                 XFree(win->ch.res_name);
5006
5007         kill_refs(win);
5008
5009         /* paint memory */
5010         memset(win, 0xff, sizeof *win); /* XXX kill later */
5011
5012         free(win);
5013 }
5014
5015 void
5016 unmanage_window(struct ws_win *win)
5017 {
5018         struct ws_win           *parent;
5019
5020         if (win == NULL)
5021                 return;
5022
5023         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
5024
5025         if (win->transient) {
5026                 parent = find_window(win->transient);
5027                 if (parent)
5028                         parent->child_trans = NULL;
5029         }
5030
5031         /* focus on root just in case */
5032         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
5033
5034         focus_prev(win);
5035
5036         TAILQ_REMOVE(&win->ws->winlist, win, entry);
5037         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
5038
5039         kill_refs(win);
5040 }
5041
5042 void
5043 focus_magic(struct ws_win *win)
5044 {
5045         DNPRINTF(SWM_D_FOCUS, "focus_magic: %lu\n", WINID(win));
5046
5047         if (win == NULL)
5048                 return;
5049
5050         if (win->child_trans) {
5051                 /* win = parent & has a transient so focus on that */
5052                 if (win->java) {
5053                         focus_win(win->child_trans);
5054                         if (win->child_trans->take_focus)
5055                                 client_msg(win, takefocus);
5056                 } else {
5057                         /* make sure transient hasn't dissapeared */
5058                         if (validate_win(win->child_trans) == 0) {
5059                                 focus_win(win->child_trans);
5060                                 if (win->child_trans->take_focus)
5061                                         client_msg(win->child_trans, takefocus);
5062                         } else {
5063                                 win->child_trans = NULL;
5064                                 focus_win(win);
5065                                 if (win->take_focus)
5066                                         client_msg(win, takefocus);
5067                         }
5068                 }
5069         } else {
5070                 /* regular focus */
5071                 focus_win(win);
5072                 if (win->take_focus)
5073                         client_msg(win, takefocus);
5074         }
5075 }
5076
5077 void
5078 expose(XEvent *e)
5079 {
5080         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
5081 }
5082
5083 void
5084 keypress(XEvent *e)
5085 {
5086         unsigned int            i;
5087         KeySym                  keysym;
5088         XKeyEvent               *ev = &e->xkey;
5089
5090         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
5091
5092         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
5093         for (i = 0; i < keys_length; i++)
5094                 if (keysym == keys[i].keysym
5095                     && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
5096                     && keyfuncs[keys[i].funcid].func) {
5097                         if (keys[i].funcid == kf_spawn_custom)
5098                                 spawn_custom(
5099                                     root_to_region(ev->root),
5100                                     &(keyfuncs[keys[i].funcid].args),
5101                                     keys[i].spawn_name
5102                                     );
5103                         else
5104                                 keyfuncs[keys[i].funcid].func(
5105                                     root_to_region(ev->root),
5106                                     &(keyfuncs[keys[i].funcid].args)
5107                                     );
5108                 }
5109 }
5110
5111 void
5112 buttonpress(XEvent *e)
5113 {
5114         struct ws_win           *win;
5115         int                     i, action;
5116         XButtonPressedEvent     *ev = &e->xbutton;
5117
5118         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
5119
5120         action = root_click;
5121         if ((win = find_window(ev->window)) == NULL)
5122                 return;
5123
5124         focus_magic(win);
5125         action = client_click;
5126
5127         for (i = 0; i < LENGTH(buttons); i++)
5128                 if (action == buttons[i].action && buttons[i].func &&
5129                     buttons[i].button == ev->button &&
5130                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
5131                         buttons[i].func(win, &buttons[i].args);
5132 }
5133
5134 void
5135 configurerequest(XEvent *e)
5136 {
5137         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
5138         struct ws_win           *win;
5139         int                     new = 0;
5140         XWindowChanges          wc;
5141
5142         if ((win = find_window(ev->window)) == NULL)
5143                 if ((win = find_unmanaged_window(ev->window)) == NULL)
5144                         new = 1;
5145
5146         if (new) {
5147                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
5148                     ev->window);
5149                 bzero(&wc, sizeof wc);
5150                 wc.x = ev->x;
5151                 wc.y = ev->y;
5152                 wc.width = ev->width;
5153                 wc.height = ev->height;
5154                 wc.border_width = ev->border_width;
5155                 wc.sibling = ev->above;
5156                 wc.stack_mode = ev->detail;
5157                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
5158         } else {
5159                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
5160                     ev->window);
5161                 config_win(win, ev);
5162         }
5163 }
5164
5165 void
5166 configurenotify(XEvent *e)
5167 {
5168         struct ws_win           *win;
5169         long                    mask;
5170
5171         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
5172             e->xconfigure.window);
5173
5174         win = find_window(e->xconfigure.window);
5175         if (win) {
5176                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
5177                 adjust_font(win);
5178                 if (font_adjusted)
5179                         stack();
5180                 if (focus_mode == SWM_FOCUS_DEFAULT)
5181                         drain_enter_notify();
5182         }
5183 }
5184
5185 void
5186 destroynotify(XEvent *e)
5187 {
5188         struct ws_win           *win;
5189         XDestroyWindowEvent     *ev = &e->xdestroywindow;
5190
5191         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
5192
5193         if ((win = find_window(ev->window)) == NULL) {
5194                 if ((win = find_unmanaged_window(ev->window)) == NULL)
5195                         return;
5196                 free_window(win);
5197                 return;
5198         }
5199
5200         /* make sure we focus on something */
5201         win->floating = 0;
5202
5203         unmanage_window(win);
5204         stack();
5205         if (focus_mode == SWM_FOCUS_DEFAULT)
5206                 drain_enter_notify();
5207         free_window(win);
5208 }
5209
5210 void
5211 enternotify(XEvent *e)
5212 {
5213         XCrossingEvent          *ev = &e->xcrossing;
5214         XEvent                  cne;
5215         struct ws_win           *win;
5216 #if 0
5217         struct ws_win           *w;
5218         Window                  focus_return;
5219         int                     revert_to_return;
5220 #endif
5221         DNPRINTF(SWM_D_FOCUS, "enternotify: window: %lu mode %d detail %d root "
5222             "%lu subwindow %lu same_screen %d focus %d state %d\n",
5223             ev->window, ev->mode, ev->detail, ev->root, ev->subwindow,
5224             ev->same_screen, ev->focus, ev->state);
5225
5226         switch (focus_mode) {
5227         case SWM_FOCUS_DEFAULT:
5228                 break;
5229         case SWM_FOCUS_FOLLOW:
5230                 break;
5231         case SWM_FOCUS_SYNERGY:
5232 #if 0
5233         /*
5234          * all these checks need to be in this order because the
5235          * XCheckTypedWindowEvent relies on weeding out the previous events
5236          *
5237          * making this code an option would enable a follow mouse for focus
5238          * feature
5239          */
5240
5241         /*
5242          * state is set when we are switching workspaces and focus is set when
5243          * the window or a subwindow already has focus (occurs during restart).
5244          *
5245          * Only honor the focus flag if last_focus_event is not FocusOut,
5246          * this allows scrotwm to continue to control focus when another
5247          * program is also playing with it.
5248          */
5249         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
5250                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
5251                 return;
5252         }
5253
5254         /*
5255          * happens when a window is created or destroyed and the border
5256          * crosses the mouse pointer and when switching ws
5257          *
5258          * we need the subwindow test to see if we came from root in order
5259          * to give focus to floaters
5260          */
5261         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
5262             ev->subwindow == 0) {
5263                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
5264                 return;
5265         }
5266
5267         /* this window already has focus */
5268         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
5269                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
5270                 return;
5271         }
5272
5273         /* this window is being deleted or moved to another ws */
5274         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
5275             &cne) == True) {
5276                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
5277                 XPutBackEvent(display, &cne);
5278                 return;
5279         }
5280
5281         if ((win = find_window(ev->window)) == NULL) {
5282                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
5283                 return;
5284         }
5285
5286         /*
5287          * In fullstack kill all enters unless they come from a different ws
5288          * (i.e. another region) or focus has been grabbed externally.
5289          */
5290         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
5291             last_focus_event != FocusOut) {
5292                 XGetInputFocus(display, &focus_return, &revert_to_return);
5293                 if ((w = find_window(focus_return)) == NULL ||
5294                     w->ws == win->ws) {
5295                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
5296                         return;
5297                 }
5298         }
5299 #endif
5300                 break;
5301         }
5302
5303         if ((win = find_window(ev->window)) == NULL) {
5304                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
5305                 return;
5306         }
5307
5308         /*
5309          * if we have more enternotifies let them handle it in due time
5310          */
5311         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
5312                 DNPRINTF(SWM_D_EVENT,
5313                     "ignoring enternotify: got more enternotify\n");
5314                 XPutBackEvent(display, &cne);
5315                 return;
5316         }
5317
5318         focus_magic(win);
5319 }
5320
5321 /* lets us use one switch statement for arbitrary mode/detail combinations */
5322 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
5323
5324 void
5325 focusevent(XEvent *e)
5326 {
5327 #if 0
5328         struct ws_win           *win;
5329         u_int32_t               mode_detail;
5330         XFocusChangeEvent       *ev = &e->xfocus;
5331
5332         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: %lu mode %d detail %d\n",
5333             ev->type == FocusIn ? "entering" : "leaving",
5334             ev->window, ev->mode, ev->detail);
5335
5336         if (last_focus_event == ev->type) {
5337                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
5338                 return;
5339         }
5340
5341         last_focus_event = ev->type;
5342         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
5343
5344         switch (mode_detail) {
5345         /* synergy client focus operations */
5346         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
5347         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
5348
5349         /* synergy server focus operations */
5350         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
5351
5352         /* Entering applications like rdesktop that mangle the pointer */
5353         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
5354
5355                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
5356                         XSetWindowBorder(display, win->id,
5357                             win->ws->r->s->c[ev->type == FocusIn ?
5358                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
5359                 break;
5360         default:
5361                 fprintf(stderr, "ignoring focusevent\n");
5362                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
5363                 break;
5364         }
5365 #endif
5366 }
5367
5368 void
5369 mapnotify(XEvent *e)
5370 {
5371         struct ws_win           *win;
5372         XMapEvent               *ev = &e->xmap;
5373
5374         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
5375
5376         win = manage_window(ev->window);
5377         if (win)
5378                 set_win_state(win, NormalState);
5379 }
5380
5381 void
5382 mappingnotify(XEvent *e)
5383 {
5384         XMappingEvent           *ev = &e->xmapping;
5385
5386         XRefreshKeyboardMapping(ev);
5387         if (ev->request == MappingKeyboard)
5388                 grabkeys();
5389 }
5390
5391 void
5392 maprequest(XEvent *e)
5393 {
5394         struct ws_win           *win;
5395         struct swm_region       *r;
5396         XWindowAttributes       wa;
5397         XMapRequestEvent        *ev = &e->xmaprequest;
5398
5399         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
5400             e->xmaprequest.window);
5401
5402         if (!XGetWindowAttributes(display, ev->window, &wa))
5403                 return;
5404         if (wa.override_redirect)
5405                 return;
5406
5407         win = manage_window(e->xmaprequest.window);
5408         if (win == NULL)
5409                 return; /* can't happen */
5410
5411         stack();
5412
5413         /* make new win focused */
5414         r = root_to_region(win->wa.root);
5415         if (win->ws == r->ws)
5416                 focus_magic(win);
5417 }
5418
5419 void
5420 propertynotify(XEvent *e)
5421 {
5422         struct ws_win           *win;
5423         XPropertyEvent          *ev = &e->xproperty;
5424
5425         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
5426             ev->window);
5427
5428         win = find_window(ev->window);
5429         if (win == NULL)
5430                 return;
5431
5432         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
5433                 update_iconic(win, 0);
5434                 XMapRaised(display, win->id);
5435                 stack();
5436                 focus_win(win);
5437                 return;
5438         }
5439
5440         switch (ev->atom) {
5441         case XA_WM_NORMAL_HINTS:
5442 #if 0
5443                 long            mask;
5444                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
5445                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
5446                 if (win->sh.flags & PMinSize) {
5447                         win->g.w = win->sh.min_width;
5448                         win->g.h = win->sh.min_height;
5449                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
5450                 }
5451                 XMoveResizeWindow(display, win->id,
5452                     win->g.x, win->g.y, win->g.w, win->g.h);
5453 #endif
5454                 if (window_name_enabled)
5455                         bar_update();
5456                 break;
5457         default:
5458                 break;
5459         }
5460 }
5461
5462 void
5463 unmapnotify(XEvent *e)
5464 {
5465         struct ws_win           *win;
5466
5467         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
5468
5469         /* determine if we need to help unmanage this window */
5470         win = find_window(e->xunmap.window);
5471         if (win == NULL)
5472                 return;
5473
5474         if (getstate(e->xunmap.window) == NormalState) {
5475                 unmanage_window(win);
5476                 stack();
5477
5478                 /* giant hack for apps that don't destroy transient windows */
5479                 /* eat a bunch of events to prevent remanaging the window */
5480                 XEvent                  cne;
5481                 while (XCheckWindowEvent(display, e->xunmap.window,
5482                     EnterWindowMask, &cne))
5483                         ;
5484                 while (XCheckWindowEvent(display, e->xunmap.window,
5485                     StructureNotifyMask, &cne))
5486                         ;
5487                 while (XCheckWindowEvent(display, e->xunmap.window,
5488                     SubstructureNotifyMask, &cne))
5489                         ;
5490                 /* resend unmap because we ated it */
5491                 XUnmapWindow(display, e->xunmap.window);
5492         }
5493
5494         if (focus_mode == SWM_FOCUS_DEFAULT)
5495                 drain_enter_notify();
5496 }
5497
5498 void
5499 visibilitynotify(XEvent *e)
5500 {
5501         int                     i;
5502         struct swm_region       *r;
5503
5504         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
5505             e->xvisibility.window);
5506         if (e->xvisibility.state == VisibilityUnobscured)
5507                 for (i = 0; i < ScreenCount(display); i++)
5508                         TAILQ_FOREACH(r, &screens[i].rl, entry)
5509                                 if (e->xvisibility.window == r->bar_window)
5510                                         bar_update();
5511 }
5512
5513 void
5514 clientmessage(XEvent *e)
5515 {
5516         XClientMessageEvent *ev;
5517         struct ws_win *win;
5518
5519         ev = &e->xclient;
5520
5521         win = find_window(ev->window);
5522         if (win == NULL)
5523                 return;
5524
5525         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx type: %ld \n",
5526             ev->window, ev->message_type);
5527
5528         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
5529                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW \n");
5530                 focus_win(win);
5531         }
5532         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
5533                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW \n");
5534                 if (win->can_delete)
5535                         client_msg(win, adelete);
5536                 else
5537                         XKillClient(display, win->id);
5538         }
5539         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
5540                 DNPRINTF(SWM_D_EVENT,
5541                     "clientmessage: _NET_MOVERESIZE_WINDOW \n");
5542                 if (win->floating) {
5543                         if (ev->data.l[0] & (1<<8)) /* x */
5544                                 win->g.x = ev->data.l[1];
5545                         if (ev->data.l[0] & (1<<9)) /* y */
5546                                 win->g.y = ev->data.l[2];
5547                         if (ev->data.l[0] & (1<<10)) /* width */
5548                                 win->g.w = ev->data.l[3];
5549                         if (ev->data.l[0] & (1<<11)) /* height */
5550                                 win->g.h = ev->data.l[4];
5551                 }
5552                 else {
5553                         /* TODO: Change stack sizes */
5554                 }
5555                 config_win(win, NULL);
5556         }
5557         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
5558                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE \n");
5559                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
5560                 if (ev->data.l[2])
5561                         ewmh_update_win_state(win, ev->data.l[2],
5562                             ev->data.l[0]);
5563
5564                 stack();
5565         }
5566 }
5567
5568 int
5569 xerror_start(Display *d, XErrorEvent *ee)
5570 {
5571         other_wm = 1;
5572         return (-1);
5573 }
5574
5575 int
5576 xerror(Display *d, XErrorEvent *ee)
5577 {
5578         /* fprintf(stderr, "error: %p %p\n", display, ee); */
5579         return (-1);
5580 }
5581
5582 int
5583 active_wm(void)
5584 {
5585         other_wm = 0;
5586         xerrorxlib = XSetErrorHandler(xerror_start);
5587
5588         /* this causes an error if some other window manager is running */
5589         XSelectInput(display, DefaultRootWindow(display),
5590             SubstructureRedirectMask);
5591         XSync(display, False);
5592         if (other_wm)
5593                 return (1);
5594
5595         XSetErrorHandler(xerror);
5596         XSync(display, False);
5597         return (0);
5598 }
5599
5600 void
5601 new_region(struct swm_screen *s, int x, int y, int w, int h)
5602 {
5603         struct swm_region       *r, *n;
5604         struct workspace        *ws = NULL;
5605         int                     i;
5606
5607         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
5608              s->idx, w, h, x, y);
5609
5610         /* remove any conflicting regions */
5611         n = TAILQ_FIRST(&s->rl);
5612         while (n) {
5613                 r = n;
5614                 n = TAILQ_NEXT(r, entry);
5615                 if (X(r) < (x + w) &&
5616                     (X(r) + WIDTH(r)) > x &&
5617                     Y(r) < (y + h) &&
5618                     (Y(r) + HEIGHT(r)) > y) {
5619                         if (r->ws->r != NULL)
5620                                 r->ws->old_r = r->ws->r;
5621                         r->ws->r = NULL;
5622                         XDestroyWindow(display, r->bar_window);
5623                         TAILQ_REMOVE(&s->rl, r, entry);
5624                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
5625                 }
5626         }
5627
5628         /* search old regions for one to reuse */
5629
5630         /* size + location match */
5631         TAILQ_FOREACH(r, &s->orl, entry)
5632                 if (X(r) == x && Y(r) == y &&
5633                     HEIGHT(r) == h && WIDTH(r) == w)
5634                         break;
5635
5636         /* size match */
5637         TAILQ_FOREACH(r, &s->orl, entry)
5638                 if (HEIGHT(r) == h && WIDTH(r) == w)
5639                         break;
5640
5641         if (r != NULL) {
5642                 TAILQ_REMOVE(&s->orl, r, entry);
5643                 /* try to use old region's workspace */
5644                 if (r->ws->r == NULL)
5645                         ws = r->ws;
5646         } else
5647                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
5648                         errx(1, "calloc: failed to allocate memory for screen");
5649
5650         /* if we don't have a workspace already, find one */
5651         if (ws == NULL) {
5652                 for (i = 0; i < SWM_WS_MAX; i++)
5653                         if (s->ws[i].r == NULL) {
5654                                 ws = &s->ws[i];
5655                                 break;
5656                         }
5657         }
5658
5659         if (ws == NULL)
5660                 errx(1, "no free workspaces\n");
5661
5662         X(r) = x;
5663         Y(r) = y;
5664         WIDTH(r) = w;
5665         HEIGHT(r) = h;
5666         r->s = s;
5667         r->ws = ws;
5668         r->ws_prior = NULL;
5669         ws->r = r;
5670         outputs++;
5671         TAILQ_INSERT_TAIL(&s->rl, r, entry);
5672 }
5673
5674 void
5675 scan_xrandr(int i)
5676 {
5677 #ifdef SWM_XRR_HAS_CRTC
5678         XRRCrtcInfo             *ci;
5679         XRRScreenResources      *sr;
5680         int                     c;
5681         int                     ncrtc = 0;
5682 #endif /* SWM_XRR_HAS_CRTC */
5683         struct swm_region       *r;
5684
5685
5686         if (i >= ScreenCount(display))
5687                 errx(1, "invalid screen");
5688
5689         /* remove any old regions */
5690         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
5691                 r->ws->old_r = r->ws->r = NULL;
5692                 XDestroyWindow(display, r->bar_window);
5693                 TAILQ_REMOVE(&screens[i].rl, r, entry);
5694                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
5695         }
5696         outputs = 0;
5697
5698         /* map virtual screens onto physical screens */
5699 #ifdef SWM_XRR_HAS_CRTC
5700         if (xrandr_support) {
5701                 sr = XRRGetScreenResources(display, screens[i].root);
5702                 if (sr == NULL)
5703                         new_region(&screens[i], 0, 0,
5704                             DisplayWidth(display, i),
5705                             DisplayHeight(display, i));
5706                 else
5707                         ncrtc = sr->ncrtc;
5708
5709                 for (c = 0, ci = NULL; c < ncrtc; c++) {
5710                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
5711                         if (ci->noutput == 0)
5712                                 continue;
5713
5714                         if (ci != NULL && ci->mode == None)
5715                                 new_region(&screens[i], 0, 0,
5716                                     DisplayWidth(display, i),
5717                                     DisplayHeight(display, i));
5718                         else
5719                                 new_region(&screens[i],
5720                                     ci->x, ci->y, ci->width, ci->height);
5721                 }
5722                 if (ci)
5723                         XRRFreeCrtcInfo(ci);
5724                 XRRFreeScreenResources(sr);
5725         } else
5726 #endif /* SWM_XRR_HAS_CRTC */
5727         {
5728                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
5729                     DisplayHeight(display, i));
5730         }
5731 }
5732
5733 void
5734 screenchange(XEvent *e) {
5735         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
5736         struct swm_region               *r;
5737         int                             i;
5738
5739         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
5740
5741         if (!XRRUpdateConfiguration(e))
5742                 return;
5743
5744         /* silly event doesn't include the screen index */
5745         for (i = 0; i < ScreenCount(display); i++)
5746                 if (screens[i].root == xe->root)
5747                         break;
5748         if (i >= ScreenCount(display))
5749                 errx(1, "screenchange: screen not found\n");
5750
5751         /* brute force for now, just re-enumerate the regions */
5752         scan_xrandr(i);
5753
5754         /* add bars to all regions */
5755         for (i = 0; i < ScreenCount(display); i++)
5756                 TAILQ_FOREACH(r, &screens[i].rl, entry)
5757                         bar_setup(r);
5758         stack();
5759         if (focus_mode == SWM_FOCUS_DEFAULT)
5760                 drain_enter_notify();
5761 }
5762
5763 void
5764 grab_windows(void)
5765 {
5766         Window                  d1, d2, *wins = NULL;
5767         XWindowAttributes       wa;
5768         unsigned int            no;
5769         int                     i, j;
5770         long                    state, manage;
5771
5772         for (i = 0; i < ScreenCount(display); i++) {
5773                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
5774                         continue;
5775
5776                 /* attach windows to a region */
5777                 /* normal windows */
5778                 for (j = 0; j < no; j++) {
5779                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
5780                             wa.override_redirect ||
5781                             XGetTransientForHint(display, wins[j], &d1))
5782                                 continue;
5783
5784                         state = getstate(wins[j]);
5785                         manage = state == IconicState;
5786                         if (wa.map_state == IsViewable || manage)
5787                                 manage_window(wins[j]);
5788                 }
5789                 /* transient windows */
5790                 for (j = 0; j < no; j++) {
5791                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
5792                             wa.override_redirect)
5793                                 continue;
5794
5795                         state = getstate(wins[j]);
5796                         manage = state == IconicState;
5797                         if (XGetTransientForHint(display, wins[j], &d1) &&
5798                             manage)
5799                                 manage_window(wins[j]);
5800                 }
5801                 if (wins) {
5802                         XFree(wins);
5803                         wins = NULL;
5804                 }
5805         }
5806 }
5807
5808 void
5809 setup_screens(void)
5810 {
5811         int                     i, j, k;
5812         int                     errorbase, major, minor;
5813         struct workspace        *ws;
5814
5815         if ((screens = calloc(ScreenCount(display),
5816              sizeof(struct swm_screen))) == NULL)
5817                 errx(1, "calloc: screens");
5818
5819         /* initial Xrandr setup */
5820         xrandr_support = XRRQueryExtension(display,
5821             &xrandr_eventbase, &errorbase);
5822         if (xrandr_support)
5823                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
5824                         xrandr_support = 0;
5825
5826         /* map physical screens */
5827         for (i = 0; i < ScreenCount(display); i++) {
5828                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
5829                 screens[i].idx = i;
5830                 TAILQ_INIT(&screens[i].rl);
5831                 TAILQ_INIT(&screens[i].orl);
5832                 screens[i].root = RootWindow(display, i);
5833
5834                 /* set default colors */
5835                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
5836                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
5837                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
5838                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
5839                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
5840
5841                 /* set default cursor */
5842                 XDefineCursor(display, screens[i].root,
5843                     XCreateFontCursor(display, XC_left_ptr));
5844
5845                 /* init all workspaces */
5846                 /* XXX these should be dynamically allocated too */
5847                 for (j = 0; j < SWM_WS_MAX; j++) {
5848                         ws = &screens[i].ws[j];
5849                         ws->idx = j;
5850                         ws->focus = NULL;
5851                         ws->r = NULL;
5852                         ws->old_r = NULL;
5853                         TAILQ_INIT(&ws->winlist);
5854                         TAILQ_INIT(&ws->unmanagedlist);
5855
5856                         for (k = 0; layouts[k].l_stack != NULL; k++)
5857                                 if (layouts[k].l_config != NULL)
5858                                         layouts[k].l_config(ws,
5859                                             SWM_ARG_ID_STACKINIT);
5860                         ws->cur_layout = &layouts[0];
5861                 }
5862
5863                 scan_xrandr(i);
5864
5865                 if (xrandr_support)
5866                         XRRSelectInput(display, screens[i].root,
5867                             RRScreenChangeNotifyMask);
5868         }
5869 }
5870
5871 void
5872 setup_globals(void)
5873 {
5874         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
5875             == NULL)
5876                 err(1, "setup_globals: strdup");
5877         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
5878             == NULL)
5879                 err(1, "setup_globals: strdup");
5880         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
5881             == NULL)
5882                 err(1, "setup_globals: strdup");
5883         if ((spawn_term[0] = strdup("xterm")) == NULL)
5884                 err(1, "setup_globals: strdup");
5885         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
5886                 errx(1, "strdup");
5887 }
5888
5889 void
5890 workaround(void)
5891 {
5892         int                     i;
5893         Atom                    netwmcheck, netwmname, utf8_string;
5894         Window                  root, win;
5895
5896         /* work around sun jdk bugs, code from wmname */
5897         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
5898         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
5899         utf8_string = XInternAtom(display, "UTF8_STRING", False);
5900         for (i = 0; i < ScreenCount(display); i++) {
5901                 root = screens[i].root;
5902                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
5903                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
5904                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
5905
5906                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
5907                     PropModeReplace, (unsigned char *)&win,1);
5908                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
5909                     PropModeReplace, (unsigned char *)&win,1);
5910                 XChangeProperty(display, win, netwmname, utf8_string, 8,
5911                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
5912         }
5913 }
5914
5915 int
5916 main(int argc, char *argv[])
5917 {
5918         struct passwd           *pwd;
5919         struct swm_region       *r, *rr;
5920         struct ws_win           *winfocus = NULL;
5921         struct timeval          tv;
5922         union arg               a;
5923         char                    conf[PATH_MAX], *cfile = NULL;
5924         struct stat             sb;
5925         XEvent                  e;
5926         int                     xfd, i;
5927         fd_set                  rd;
5928         struct sigaction        sact;
5929
5930         start_argv = argv;
5931         fprintf(stderr, "Welcome to scrotwm V%s cvs tag: %s\n",
5932             SWM_VERSION, cvstag);
5933         if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
5934                 warnx("no locale support");
5935
5936         if (!(display = XOpenDisplay(0)))
5937                 errx(1, "can not open display");
5938
5939         if (active_wm())
5940                 errx(1, "other wm running");
5941
5942         /* handle some signals */
5943         bzero(&sact, sizeof(sact));
5944         sigemptyset(&sact.sa_mask);
5945         sact.sa_flags = 0;
5946         sact.sa_handler = sighdlr;
5947         sigaction(SIGINT, &sact, NULL);
5948         sigaction(SIGQUIT, &sact, NULL);
5949         sigaction(SIGTERM, &sact, NULL);
5950         sigaction(SIGHUP, &sact, NULL);
5951
5952         sact.sa_handler = sighdlr;
5953         sact.sa_flags = SA_NOCLDSTOP;
5954         sigaction(SIGCHLD, &sact, NULL);
5955
5956         astate = XInternAtom(display, "WM_STATE", False);
5957         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
5958         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
5959         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
5960         a_wmname = XInternAtom(display, "WM_NAME", False);
5961         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
5962         a_string = XInternAtom(display, "STRING", False);
5963         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
5964
5965         /* look for local and global conf file */
5966         pwd = getpwuid(getuid());
5967         if (pwd == NULL)
5968                 errx(1, "invalid user %d", getuid());
5969
5970         setup_screens();
5971         setup_globals();
5972         setup_keys();
5973         setup_quirks();
5974         setup_spawn();
5975
5976         /* load config */
5977         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
5978         if (stat(conf, &sb) != -1) {
5979                 if (S_ISREG(sb.st_mode))
5980                         cfile = conf;
5981         } else {
5982                 /* try global conf file */
5983                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
5984                 if (!stat(conf, &sb))
5985                         if (S_ISREG(sb.st_mode))
5986                                 cfile = conf;
5987         }
5988         if (cfile)
5989                 conf_load(cfile);
5990
5991         setup_ewmh();
5992         /* set some values to work around bad programs */
5993         workaround();
5994
5995         /* grab existing windows (before we build the bars) */
5996         grab_windows();
5997
5998         if (getenv("SWM_STARTED") == NULL)
5999                 setenv("SWM_STARTED", "YES", 1);
6000
6001         /* setup all bars */
6002         for (i = 0; i < ScreenCount(display); i++)
6003                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
6004                         if (winfocus == NULL)
6005                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
6006                         bar_setup(r);
6007                 }
6008
6009         unfocus_all();
6010
6011         grabkeys();
6012         stack();
6013         if (focus_mode == SWM_FOCUS_DEFAULT)
6014                 drain_enter_notify();
6015
6016         xfd = ConnectionNumber(display);
6017         while (running) {
6018                 while (XPending(display)) {
6019                         XNextEvent(display, &e);
6020                         if (running == 0)
6021                                 goto done;
6022                         if (e.type < LASTEvent) {
6023                                 dumpevent(&e);
6024                                 if (handler[e.type])
6025                                         handler[e.type](&e);
6026                                 else
6027                                         DNPRINTF(SWM_D_EVENT,
6028                                             "win: %lu unknown event: %d\n",
6029                                             e.xany.window, e.type);
6030                         } else {
6031                                 switch (e.type - xrandr_eventbase) {
6032                                 case RRScreenChangeNotify:
6033                                         screenchange(&e);
6034                                         break;
6035                                 default:
6036                                         DNPRINTF(SWM_D_EVENT,
6037                                             "win: %lu unknown xrandr event: "
6038                                             "%d\n", e.xany.window, e.type);
6039                                         break;
6040                                 }
6041                         }
6042                 }
6043
6044                 /* if we are being restarted go focus on first window */
6045                 if (winfocus) {
6046                         rr = winfocus->ws->r;
6047                         if (rr == NULL) {
6048                                 /* not a visible window */
6049                                 winfocus = NULL;
6050                                 continue;
6051                         }
6052                         /* move pointer to first screen if multi screen */
6053                         if (ScreenCount(display) > 1 || outputs > 1)
6054                                 XWarpPointer(display, None, rr->s[0].root,
6055                                     0, 0, 0, 0, rr->g.x,
6056                                     rr->g.y + (bar_enabled ? bar_height : 0));
6057
6058                         a.id = SWM_ARG_ID_FOCUSCUR;
6059                         focus(rr, &a);
6060                         winfocus = NULL;
6061                         continue;
6062                 }
6063
6064                 FD_ZERO(&rd);
6065                 FD_SET(xfd, &rd);
6066                 tv.tv_sec = 1;
6067                 tv.tv_usec = 0;
6068                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
6069                         if (errno != EINTR)
6070                                 DNPRINTF(SWM_D_MISC, "select failed");
6071                 if (restart_wm == 1)
6072                         restart(NULL, NULL);
6073                 if (search_resp == 1)
6074                         search_do_resp();
6075                 if (running == 0)
6076                         goto done;
6077                 if (bar_alarm) {
6078                         bar_alarm = 0;
6079                         bar_update();
6080                 }
6081         }
6082 done:
6083         teardown_ewmh();
6084         bar_extra_stop();
6085         XFreeGC(display, bar_gc);
6086         XCloseDisplay(display);
6087
6088         return (0);
6089 }