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     "0.9.31"
  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         if (pid == 0)
1067                 return (NULL);
1068
1069         TAILQ_FOREACH(p, &pidlist, entry) {
1070                 if (p->pid == pid)
1071                         return (p);
1072         }
1073
1074         return (NULL);
1075 }
1076
1077 unsigned long
1078 name_to_color(char *colorname)
1079 {
1080         Colormap                cmap;
1081         Status                  status;
1082         XColor                  screen_def, exact_def;
1083         unsigned long           result = 0;
1084         char                    cname[32] = "#";
1085
1086         cmap = DefaultColormap(display, screens[0].idx);
1087         status = XAllocNamedColor(display, cmap, colorname,
1088             &screen_def, &exact_def);
1089         if (!status) {
1090                 strlcat(cname, colorname + 2, sizeof cname - 1);
1091                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
1092                     &exact_def);
1093         }
1094         if (status)
1095                 result = screen_def.pixel;
1096         else
1097                 fprintf(stderr, "color '%s' not found.\n", colorname);
1098
1099         return (result);
1100 }
1101
1102 void
1103 setscreencolor(char *val, int i, int c)
1104 {
1105         if (i > 0 && i <= ScreenCount(display)) {
1106                 screens[i - 1].c[c].color = name_to_color(val);
1107                 free(screens[i - 1].c[c].name);
1108                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1109                         errx(1, "strdup");
1110         } else if (i == -1) {
1111                 for (i = 0; i < ScreenCount(display); i++) {
1112                         screens[i].c[c].color = name_to_color(val);
1113                         free(screens[i].c[c].name);
1114                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1115                                 errx(1, "strdup");
1116                 }
1117         } else
1118                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
1119                     i, ScreenCount(display));
1120 }
1121
1122 void
1123 custom_region(char *val)
1124 {
1125         unsigned int                    sidx, x, y, w, h;
1126
1127         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1128                 errx(1, "invalid custom region, "
1129                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>\n");
1130         if (sidx < 1 || sidx > ScreenCount(display))
1131                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
1132                     sidx, ScreenCount(display));
1133         sidx--;
1134
1135         if (w < 1 || h < 1)
1136                 errx(1, "region %ux%u+%u+%u too small\n", w, h, x, y);
1137
1138         if (x  < 0 || x > DisplayWidth(display, sidx) ||
1139             y < 0 || y > DisplayHeight(display, sidx) ||
1140             w + x > DisplayWidth(display, sidx) ||
1141             h + y > DisplayHeight(display, sidx)) {
1142                 fprintf(stderr, "ignoring region %ux%u+%u+%u "
1143                     "- not within screen boundaries "
1144                     "(%ux%u)\n", w, h, x, y,
1145                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
1146                 return;
1147         }
1148
1149         new_region(&screens[sidx], x, y, w, h);
1150 }
1151
1152 void
1153 socket_setnonblock(int fd)
1154 {
1155         int                     flags;
1156
1157         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1158                 err(1, "fcntl F_GETFL");
1159         flags |= O_NONBLOCK;
1160         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1161                 err(1, "fcntl F_SETFL");
1162 }
1163
1164 void
1165 bar_print(struct swm_region *r, char *s)
1166 {
1167         XClearWindow(display, r->bar_window);
1168         XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
1169         XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
1170             strlen(s));
1171 }
1172
1173 void
1174 bar_extra_stop(void)
1175 {
1176         if (bar_pipe[0]) {
1177                 close(bar_pipe[0]);
1178                 bzero(bar_pipe, sizeof bar_pipe);
1179         }
1180         if (bar_pid) {
1181                 kill(bar_pid, SIGTERM);
1182                 bar_pid = 0;
1183         }
1184         strlcpy(bar_ext, "", sizeof bar_ext);
1185         bar_extra = 0;
1186 }
1187
1188 void
1189 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1190 {
1191         int                     do_class, do_name;
1192         Status                  status;
1193         XClassHint              *xch = NULL;
1194
1195         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
1196             cur_focus != NULL) {
1197                 if ((xch = XAllocClassHint()) == NULL)
1198                         goto out;
1199                 status = XGetClassHint(display, cur_focus->id, xch);
1200                 if (status == BadWindow || status == BadAlloc)
1201                         goto out;
1202                 do_class = (title_class_enabled && xch->res_class != NULL);
1203                 do_name = (title_name_enabled && xch->res_name != NULL);
1204                 if (do_class)
1205                         strlcat(s, xch->res_class, sz);
1206                 if (do_class && do_name)
1207                         strlcat(s, ":", sz);
1208                 if (do_name)
1209                         strlcat(s, xch->res_name, sz);
1210                 strlcat(s, "    ", sz);
1211         }
1212 out:
1213         if (xch)
1214                 XFree(xch);
1215 }
1216
1217 void
1218 bar_window_name(char *s, ssize_t sz, struct ws_win *cur_focus)
1219 {
1220         char                    *title;
1221
1222         if (window_name_enabled && cur_focus != NULL) {
1223                 XFetchName(display, cur_focus->id, &title);
1224                 if (title) {
1225                         if (cur_focus->floating)
1226                                 strlcat(s, "(f) ", sz);
1227                         strlcat(s, title, sz);
1228                         strlcat(s, " ", sz);
1229                         XFree(title);
1230                 }
1231         }
1232 }
1233
1234 void
1235 bar_update(void)
1236 {
1237         time_t                  tmt;
1238         struct tm               tm;
1239         struct swm_region       *r;
1240         int                     i, x;
1241         size_t                  len;
1242         char                    s[SWM_BAR_MAX];
1243         char                    cn[SWM_BAR_MAX];
1244         char                    loc[SWM_BAR_MAX];
1245         char                    *b;
1246         char                    *stack = "";
1247
1248         if (bar_enabled == 0)
1249                 return;
1250         if (bar_extra && bar_extra_running) {
1251                 /* ignore short reads; it'll correct itself */
1252                 while ((b = fgetln(stdin, &len)) != NULL)
1253                         if (b && b[len - 1] == '\n') {
1254                                 b[len - 1] = '\0';
1255                                 strlcpy(bar_ext, b, sizeof bar_ext);
1256                         }
1257                 if (b == NULL && errno != EAGAIN) {
1258                         fprintf(stderr, "bar_extra failed: errno: %d %s\n",
1259                             errno, strerror(errno));
1260                         bar_extra_stop();
1261                 }
1262         } else
1263                 strlcpy(bar_ext, "", sizeof bar_ext);
1264
1265         if (clock_enabled == 0)
1266                 strlcpy(s, "", sizeof s);
1267         else {
1268                 time(&tmt);
1269                 localtime_r(&tmt, &tm);
1270                 strftime(s, sizeof s, clock_format, &tm);
1271                 strlcat(s, "    ", sizeof s);
1272         }
1273
1274         for (i = 0; i < ScreenCount(display); i++) {
1275                 x = 1;
1276                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1277                         strlcpy(cn, "", sizeof cn);
1278                         if (r && r->ws) {
1279                                 bar_class_name(cn, sizeof cn, r->ws->focus);
1280                                 bar_window_name(cn, sizeof cn, r->ws->focus);
1281                         }
1282
1283                         if (stack_enabled)
1284                                 stack = r->ws->cur_layout->name;
1285
1286                         snprintf(loc, sizeof loc, "%d:%d %s   %s%s    %s    %s",
1287                             x++, r->ws->idx + 1, stack, s, cn, bar_ext,
1288                             bar_vertext);
1289                         bar_print(r, loc);
1290                 }
1291         }
1292         alarm(bar_delay);
1293 }
1294
1295 void
1296 bar_signal(int sig)
1297 {
1298         bar_alarm = 1;
1299 }
1300
1301 void
1302 bar_toggle(struct swm_region *r, union arg *args)
1303 {
1304         struct swm_region       *tmpr;
1305         int                     i, sc = ScreenCount(display);
1306
1307         DNPRINTF(SWM_D_MISC, "bar_toggle\n");
1308
1309         if (bar_enabled)
1310                 for (i = 0; i < sc; i++)
1311                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1312                                 XUnmapWindow(display, tmpr->bar_window);
1313         else
1314                 for (i = 0; i < sc; i++)
1315                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1316                                 XMapRaised(display, tmpr->bar_window);
1317
1318         bar_enabled = !bar_enabled;
1319
1320         stack();
1321         /* must be after stack */
1322         bar_update();
1323 }
1324
1325 void
1326 bar_refresh(void)
1327 {
1328         XSetWindowAttributes    wa;
1329         struct swm_region       *r;
1330         int                     i;
1331
1332         /* do this here because the conf file is in memory */
1333         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1334                 /* launch external status app */
1335                 bar_extra_running = 1;
1336                 if (pipe(bar_pipe) == -1)
1337                         err(1, "pipe error");
1338                 socket_setnonblock(bar_pipe[0]);
1339                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1340                 if (dup2(bar_pipe[0], 0) == -1)
1341                         errx(1, "dup2");
1342                 if (dup2(bar_pipe[1], 1) == -1)
1343                         errx(1, "dup2");
1344                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1345                         err(1, "could not disable SIGPIPE");
1346                 switch (bar_pid = fork()) {
1347                 case -1:
1348                         err(1, "cannot fork");
1349                         break;
1350                 case 0: /* child */
1351                         close(bar_pipe[0]);
1352                         execvp(bar_argv[0], bar_argv);
1353                         err(1, "%s external app failed", bar_argv[0]);
1354                         break;
1355                 default: /* parent */
1356                         close(bar_pipe[1]);
1357                         break;
1358                 }
1359         }
1360
1361         bzero(&wa, sizeof wa);
1362         for (i = 0; i < ScreenCount(display); i++)
1363                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1364                         wa.border_pixel =
1365                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1366                         wa.background_pixel =
1367                             screens[i].c[SWM_S_COLOR_BAR].color;
1368                         XChangeWindowAttributes(display, r->bar_window,
1369                             CWBackPixel | CWBorderPixel, &wa);
1370                 }
1371         bar_update();
1372 }
1373
1374 void
1375 bar_setup(struct swm_region *r)
1376 {
1377         int                     i, x, y;
1378
1379         if (bar_fs) {
1380                 XFreeFont(display, bar_fs);
1381                 bar_fs = NULL;
1382         }
1383
1384         for (i = 0; bar_fonts[i] != NULL; i++) {
1385                 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
1386                 if (bar_fs) {
1387                         bar_fidx = i;
1388                         break;
1389                 }
1390         }
1391         if (bar_fonts[i] == NULL)
1392                         errx(1, "couldn't load font");
1393         if (bar_fs == NULL)
1394                 errx(1, "couldn't create font structure");
1395
1396         bar_height = bar_fs->ascent + bar_fs->descent + 1 +
1397             2 * bar_border_width;
1398         x = X(r);
1399         y = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1400
1401         r->bar_window = XCreateSimpleWindow(display,
1402             r->s->root, x, y, WIDTH(r) - 2 * bar_border_width,
1403             bar_height - 2 * bar_border_width,
1404             bar_border_width, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
1405             r->s->c[SWM_S_COLOR_BAR].color);
1406         bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
1407         XSetFont(display, bar_gc, bar_fs->fid);
1408         XSelectInput(display, r->bar_window, VisibilityChangeMask);
1409         if (bar_enabled)
1410                 XMapRaised(display, r->bar_window);
1411         DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
1412
1413         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1414                 err(1, "could not install bar_signal");
1415         bar_refresh();
1416 }
1417
1418 void
1419 drain_enter_notify(void)
1420 {
1421         int                     i = 0;
1422         XEvent                  cne;
1423
1424         while (XCheckMaskEvent(display, EnterWindowMask, &cne))
1425                 i++;
1426
1427         DNPRINTF(SWM_D_MISC, "drain_enter_notify: drained %d\n", i);
1428 }
1429
1430 void
1431 set_win_state(struct ws_win *win, long state)
1432 {
1433         long                    data[] = {state, None};
1434
1435         DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
1436
1437         if (win == NULL)
1438                 return;
1439
1440         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
1441             (unsigned char *)data, 2);
1442 }
1443
1444 long
1445 getstate(Window w)
1446 {
1447         long                    result = -1;
1448         unsigned char           *p = NULL;
1449         unsigned long           n;
1450
1451         if (!get_property(w, astate, 2L, astate, &n, &p))
1452                 return (-1);
1453         if (n != 0)
1454                 result = *((long *)p);
1455         XFree(p);
1456         return (result);
1457 }
1458
1459 void
1460 version(struct swm_region *r, union arg *args)
1461 {
1462         bar_version = !bar_version;
1463         if (bar_version)
1464                 snprintf(bar_vertext, sizeof bar_vertext, "Version: %s CVS: %s",
1465                     SWM_VERSION, cvstag);
1466         else
1467                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1468         bar_update();
1469 }
1470
1471 void
1472 client_msg(struct ws_win *win, Atom a)
1473 {
1474         XClientMessageEvent     cm;
1475
1476         if (win == NULL)
1477                 return;
1478
1479         bzero(&cm, sizeof cm);
1480         cm.type = ClientMessage;
1481         cm.window = win->id;
1482         cm.message_type = aprot;
1483         cm.format = 32;
1484         cm.data.l[0] = a;
1485         cm.data.l[1] = CurrentTime;
1486         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
1487 }
1488
1489 void
1490 config_win(struct ws_win *win, XConfigureRequestEvent  *ev)
1491 {
1492         XConfigureEvent         ce;
1493
1494         if (win == NULL)
1495                 return;
1496
1497         if (ev == NULL) {
1498                 DNPRINTF(SWM_D_MISC,
1499                     "config_win: win %lu x %d y %d w %d h %d\n",
1500                     win->id, win->g.x, win->g.y, win->g.w, win->g.h);
1501
1502                 ce.type = ConfigureNotify;
1503                 ce.display = display;
1504                 ce.event = win->id;
1505                 ce.window = win->id;
1506                 ce.x = win->g.x;
1507                 ce.y = win->g.y;
1508                 ce.width = win->g.w;
1509                 ce.height = win->g.h;
1510                 ce.border_width = border_width;
1511                 ce.above = None;
1512                 ce.override_redirect = False;
1513         } else {
1514                 DNPRINTF(SWM_D_MISC,
1515                     "config_win: ev win %lu x %d y %d w %d h %d\n",
1516                     ev->window, ev->x, ev->y, ev->width, ev->height);
1517                 ce.type = ConfigureNotify;
1518                 ce.display = ev->display;
1519                 ce.event = ev->window;
1520                 ce.window = ev->window;
1521                 ce.x = ev->x;
1522                 ce.y = ev->y;
1523                 ce.width = ev->width;
1524                 ce.height = ev->height;
1525                 ce.border_width = ev->border_width;
1526                 ce.above = ev->above;
1527                 ce.override_redirect = False;
1528         }
1529
1530         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1531 }
1532
1533 int
1534 count_win(struct workspace *ws, int count_transient)
1535 {
1536         struct ws_win           *win;
1537         int                     count = 0;
1538
1539         TAILQ_FOREACH(win, &ws->winlist, entry) {
1540                 if (count_transient == 0 && win->floating)
1541                         continue;
1542                 if (count_transient == 0 && win->transient)
1543                         continue;
1544                 if (win->iconic)
1545                         continue;
1546                 count++;
1547         }
1548         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1549
1550         return (count);
1551 }
1552
1553 void
1554 quit(struct swm_region *r, union arg *args)
1555 {
1556         DNPRINTF(SWM_D_MISC, "quit\n");
1557         running = 0;
1558 }
1559
1560 void
1561 unmap_window(struct ws_win *win)
1562 {
1563         if (win == NULL)
1564                 return;
1565
1566         /* don't unmap again */
1567         if (getstate(win->id) == IconicState)
1568                 return;
1569
1570         set_win_state(win, IconicState);
1571
1572         XUnmapWindow(display, win->id);
1573         XSetWindowBorder(display, win->id,
1574             win->s->c[SWM_S_COLOR_UNFOCUS].color);
1575 }
1576
1577 void
1578 unmap_all(void)
1579 {
1580         struct ws_win           *win;
1581         int                     i, j;
1582
1583         for (i = 0; i < ScreenCount(display); i++)
1584                 for (j = 0; j < SWM_WS_MAX; j++)
1585                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1586                                 unmap_window(win);
1587 }
1588
1589 void
1590 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1591 {
1592         XKeyEvent event;
1593
1594         if (win == NULL)
1595                 return;
1596
1597         event.display = display;        /* Ignored, but what the hell */
1598         event.window = win->id;
1599         event.root = win->s->root;
1600         event.subwindow = None;
1601         event.time = CurrentTime;
1602         event.x = win->g.x;
1603         event.y = win->g.y;
1604         event.x_root = 1;
1605         event.y_root = 1;
1606         event.same_screen = True;
1607         event.keycode = XKeysymToKeycode(display, keysym);
1608         event.state = modifiers;
1609
1610         event.type = KeyPress;
1611         XSendEvent(event.display, event.window, True,
1612             KeyPressMask, (XEvent *)&event);
1613
1614         event.type = KeyRelease;
1615         XSendEvent(event.display, event.window, True,
1616             KeyPressMask, (XEvent *)&event);
1617
1618 }
1619
1620 void
1621 restart(struct swm_region *r, union arg *args)
1622 {
1623         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
1624
1625         /* disable alarm because the following code may not be interrupted */
1626         alarm(0);
1627         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
1628                 errx(1, "can't disable alarm");
1629
1630         bar_extra_stop();
1631         bar_extra = 1;
1632         unmap_all();
1633         XCloseDisplay(display);
1634         execvp(start_argv[0], start_argv);
1635         fprintf(stderr, "execvp failed\n");
1636         perror(" failed");
1637         quit(NULL, NULL);
1638 }
1639
1640 struct swm_region *
1641 root_to_region(Window root)
1642 {
1643         struct swm_region       *r = NULL;
1644         Window                  rr, cr;
1645         int                     i, x, y, wx, wy;
1646         unsigned int            mask;
1647
1648         for (i = 0; i < ScreenCount(display); i++)
1649                 if (screens[i].root == root)
1650                         break;
1651
1652         if (XQueryPointer(display, screens[i].root,
1653             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
1654                 /* choose a region based on pointer location */
1655                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1656                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
1657                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
1658                                 break;
1659         }
1660
1661         if (r == NULL)
1662                 r = TAILQ_FIRST(&screens[i].rl);
1663
1664         return (r);
1665 }
1666
1667 struct ws_win *
1668 find_unmanaged_window(Window id)
1669 {
1670         struct ws_win           *win;
1671         int                     i, j;
1672
1673         for (i = 0; i < ScreenCount(display); i++)
1674                 for (j = 0; j < SWM_WS_MAX; j++)
1675                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
1676                             entry)
1677                                 if (id == win->id)
1678                                         return (win);
1679         return (NULL);
1680 }
1681
1682 struct ws_win *
1683 find_window(Window id)
1684 {
1685         struct ws_win           *win;
1686         Window                  wrr, wpr, *wcr = NULL;
1687         int                     i, j;
1688         unsigned int            nc;
1689
1690         for (i = 0; i < ScreenCount(display); i++)
1691                 for (j = 0; j < SWM_WS_MAX; j++)
1692                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1693                                 if (id == win->id)
1694                                         return (win);
1695
1696         /* if we were looking for the parent return that window instead */
1697         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
1698                 return (NULL);
1699         if (wcr)
1700                 XFree(wcr);
1701
1702         /* ignore not found and root */
1703         if (wpr == 0 || wrr == wpr)
1704                 return (NULL);
1705
1706         /* look for parent */
1707         for (i = 0; i < ScreenCount(display); i++)
1708                 for (j = 0; j < SWM_WS_MAX; j++)
1709                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1710                                 if (wpr == win->id)
1711                                         return (win);
1712
1713         return (NULL);
1714 }
1715
1716 void
1717 spawn(int ws_idx, union arg *args, int close_fd)
1718 {
1719         int                     fd;
1720         char                    *ret = NULL;
1721
1722         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1723
1724         if (display)
1725                 close(ConnectionNumber(display));
1726
1727         setenv("LD_PRELOAD", SWM_LIB, 1);
1728
1729         if (asprintf(&ret, "%d", ws_idx) == -1) {
1730                 perror("_SWM_WS");
1731                 _exit(1);
1732         }
1733         setenv("_SWM_WS", ret, 1);
1734         free(ret);
1735         ret = NULL;
1736
1737         if (asprintf(&ret, "%d", getpid()) == -1) {
1738                 perror("_SWM_PID");
1739                 _exit(1);
1740         }
1741         setenv("_SWM_PID", ret, 1);
1742         free(ret);
1743         ret = NULL;
1744
1745         if (setsid() == -1) {
1746                 perror("setsid");
1747                 _exit(1);
1748         }
1749
1750         if (close_fd) {
1751                 /*
1752                  * close stdin and stdout to prevent interaction between apps
1753                  * and the baraction script
1754                  * leave stderr open to record errors
1755                 */
1756                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
1757                         perror("open");
1758                         _exit(1);
1759                 }
1760                 dup2(fd, STDIN_FILENO);
1761                 dup2(fd, STDOUT_FILENO);
1762                 if (fd > 2)
1763                         close(fd);
1764         }
1765
1766         execvp(args->argv[0], args->argv);
1767
1768         perror("execvp");
1769         _exit(1);
1770 }
1771
1772 void
1773 spawnterm(struct swm_region *r, union arg *args)
1774 {
1775         DNPRINTF(SWM_D_MISC, "spawnterm\n");
1776
1777         if (fork() == 0) {
1778                 if (term_width)
1779                         setenv("_SWM_XTERM_FONTADJ", "", 1);
1780                 spawn(r->ws->idx, args, 1);
1781         }
1782 }
1783
1784 void
1785 kill_refs(struct ws_win *win)
1786 {
1787         int                     i, x;
1788         struct swm_region       *r;
1789         struct workspace        *ws;
1790
1791         if (win == NULL)
1792                 return;
1793
1794         for (i = 0; i < ScreenCount(display); i++)
1795                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1796                         for (x = 0; x < SWM_WS_MAX; x++) {
1797                                 ws = &r->s->ws[x];
1798                                 if (win == ws->focus)
1799                                         ws->focus = NULL;
1800                                 if (win == ws->focus_prev)
1801                                         ws->focus_prev = NULL;
1802                         }
1803 }
1804
1805 int
1806 validate_win(struct ws_win *testwin)
1807 {
1808         struct ws_win           *win;
1809         struct workspace        *ws;
1810         struct swm_region       *r;
1811         int                     i, x, foundit = 0;
1812
1813         if (testwin == NULL)
1814                 return (0);
1815
1816         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1817                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1818                         for (x = 0; x < SWM_WS_MAX; x++) {
1819                                 ws = &r->s->ws[x];
1820                                 TAILQ_FOREACH(win, &ws->winlist, entry)
1821                                         if (win == testwin)
1822                                                 return (0);
1823                         }
1824         return (1);
1825 }
1826
1827 int
1828 validate_ws(struct workspace *testws)
1829 {
1830         struct swm_region       *r;
1831         struct workspace        *ws;
1832         int                     foundit, i, x;
1833
1834         /* validate all ws */
1835         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1836                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1837                         for (x = 0; x < SWM_WS_MAX; x++) {
1838                                 ws = &r->s->ws[x];
1839                                 if (ws == testws)
1840                                         return (0);
1841                         }
1842         return (1);
1843 }
1844
1845 void
1846 unfocus_win(struct ws_win *win)
1847 {
1848         XEvent                  cne;
1849         Window                  none = None;
1850
1851         DNPRINTF(SWM_D_FOCUS, "unfocus_win: id: %lu\n", WINID(win));
1852
1853         if (win == NULL)
1854                 return;
1855         if (win->ws == NULL)
1856                 return;
1857
1858         if (validate_ws(win->ws))
1859                 return; /* XXX this gets hit with thunderbird, needs fixing */
1860
1861         if (win->ws->r == NULL)
1862                 return;
1863
1864         if (validate_win(win)) {
1865                 kill_refs(win);
1866                 return;
1867         }
1868
1869         if (win->ws->focus == win) {
1870                 win->ws->focus = NULL;
1871                 win->ws->focus_prev = win;
1872         }
1873
1874         if (validate_win(win->ws->focus)) {
1875                 kill_refs(win->ws->focus);
1876                 win->ws->focus = NULL;
1877         }
1878         if (validate_win(win->ws->focus_prev)) {
1879                 kill_refs(win->ws->focus_prev);
1880                 win->ws->focus_prev = NULL;
1881         }
1882
1883         /* drain all previous unfocus events */
1884         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
1885                 ;
1886
1887         grabbuttons(win, 0);
1888         XSetWindowBorder(display, win->id,
1889             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
1890
1891         XChangeProperty(display, win->s->root,
1892             ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
1893             PropModeReplace, (unsigned char *)&none,1);
1894 }
1895
1896 void
1897 unfocus_all(void)
1898 {
1899         struct ws_win           *win;
1900         int                     i, j;
1901
1902         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
1903
1904         for (i = 0; i < ScreenCount(display); i++)
1905                 for (j = 0; j < SWM_WS_MAX; j++)
1906                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1907                                 unfocus_win(win);
1908 }
1909
1910 void
1911 focus_win(struct ws_win *win)
1912 {
1913         XEvent                  cne;
1914         Window                  cur_focus;
1915         int                     rr;
1916         struct ws_win           *cfw = NULL;
1917
1918
1919         DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
1920
1921         if (win == NULL)
1922                 return;
1923         if (win->ws == NULL)
1924                 return;
1925
1926         if (validate_ws(win->ws))
1927                 return; /* XXX this gets hit with thunderbird, needs fixing */
1928
1929         if (validate_win(win)) {
1930                 kill_refs(win);
1931                 return;
1932         }
1933
1934         if (validate_win(win)) {
1935                 kill_refs(win);
1936                 return;
1937         }
1938
1939         XGetInputFocus(display, &cur_focus, &rr);
1940         if ((cfw = find_window(cur_focus)) != NULL)
1941                 unfocus_win(cfw);
1942         else {
1943                 /* use larger hammer since the window was killed somehow */
1944                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
1945                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
1946                                 XSetWindowBorder(display, cfw->id,
1947                                     cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
1948         }
1949
1950         win->ws->focus = win;
1951
1952         if (win->ws->r != NULL) {
1953                 /* drain all previous focus events */
1954                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
1955                         ;
1956
1957                 if (win->java == 0)
1958                         XSetInputFocus(display, win->id,
1959                             RevertToParent, CurrentTime);
1960                 XMapRaised(display, win->id);
1961                 grabbuttons(win, 1);
1962                 XSetWindowBorder(display, win->id,
1963                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
1964                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS)
1965                         XMapRaised(display, win->id);
1966
1967                 XChangeProperty(display, win->s->root,
1968                     ewmh[_NET_ACTIVE_WINDOW].atom, XA_WINDOW, 32,
1969                     PropModeReplace, (unsigned char *)&win->id,1);
1970         }
1971
1972         if (window_name_enabled)
1973                 bar_update();
1974 }
1975
1976 void
1977 switchws(struct swm_region *r, union arg *args)
1978 {
1979         int                     wsid = args->id, unmap_old = 0;
1980         struct swm_region       *this_r, *other_r;
1981         struct ws_win           *win;
1982         struct workspace        *new_ws, *old_ws;
1983         union arg               a;
1984
1985         if (!(r && r->s))
1986                 return;
1987
1988         this_r = r;
1989         old_ws = this_r->ws;
1990         new_ws = &this_r->s->ws[wsid];
1991
1992         DNPRINTF(SWM_D_WS, "switchws screen[%d]:%dx%d+%d+%d: "
1993             "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
1994             old_ws->idx, wsid);
1995
1996         if (new_ws == NULL || old_ws == NULL)
1997                 return;
1998         if (new_ws == old_ws)
1999                 return;
2000
2001         other_r = new_ws->r;
2002         if (other_r == NULL) {
2003                 /* the other workspace is hidden, hide this one */
2004                 old_ws->r = NULL;
2005                 unmap_old = 1;
2006         } else {
2007                 /* the other ws is visible in another region, exchange them */
2008                 other_r->ws_prior = new_ws;
2009                 other_r->ws = old_ws;
2010                 old_ws->r = other_r;
2011         }
2012         this_r->ws_prior = old_ws;
2013         this_r->ws = new_ws;
2014         new_ws->r = this_r;
2015
2016         /* this is needed so that we can click on a window after a restart */
2017         unfocus_all();
2018
2019         stack();
2020         a.id = SWM_ARG_ID_FOCUSCUR;
2021         focus(new_ws->r, &a);
2022
2023         bar_update();
2024
2025         /* unmap old windows */
2026         if (unmap_old)
2027                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2028                         unmap_window(win);
2029
2030         if (focus_mode == SWM_FOCUS_DEFAULT)
2031                 drain_enter_notify();
2032 }
2033
2034 void
2035 cyclews(struct swm_region *r, union arg *args)
2036 {
2037         union                   arg a;
2038         struct swm_screen       *s = r->s;
2039
2040         DNPRINTF(SWM_D_WS, "cyclews id %d "
2041             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
2042             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2043
2044         a.id = r->ws->idx;
2045         do {
2046                 switch (args->id) {
2047                 case SWM_ARG_ID_CYCLEWS_UP:
2048                         if (a.id < SWM_WS_MAX - 1)
2049                                 a.id++;
2050                         else
2051                                 a.id = 0;
2052                         break;
2053                 case SWM_ARG_ID_CYCLEWS_DOWN:
2054                         if (a.id > 0)
2055                                 a.id--;
2056                         else
2057                                 a.id = SWM_WS_MAX - 1;
2058                         break;
2059                 default:
2060                         return;
2061                 };
2062
2063                 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
2064                         continue;
2065                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2066                         continue;
2067
2068                 switchws(r, &a);
2069         } while (a.id != r->ws->idx);
2070 }
2071
2072 void
2073 priorws(struct swm_region *r, union arg *args)
2074 {
2075         union arg               a;
2076
2077         DNPRINTF(SWM_D_WS, "priorws id %d "
2078             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
2079             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2080
2081         if (r->ws_prior == NULL)
2082                 return;
2083
2084         a.id = r->ws_prior->idx;
2085         switchws(r, &a);
2086 }
2087
2088 void
2089 cyclescr(struct swm_region *r, union arg *args)
2090 {
2091         struct swm_region       *rr = NULL;
2092         union arg               a;
2093         int                     i, x, y;
2094
2095         /* do nothing if we don't have more than one screen */
2096         if (!(ScreenCount(display) > 1 || outputs > 1))
2097                 return;
2098
2099         i = r->s->idx;
2100         switch (args->id) {
2101         case SWM_ARG_ID_CYCLESC_UP:
2102                 rr = TAILQ_NEXT(r, entry);
2103                 if (rr == NULL)
2104                         rr = TAILQ_FIRST(&screens[i].rl);
2105                 break;
2106         case SWM_ARG_ID_CYCLESC_DOWN:
2107                 rr = TAILQ_PREV(r, swm_region_list, entry);
2108                 if (rr == NULL)
2109                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2110                 break;
2111         default:
2112                 return;
2113         };
2114         if (rr == NULL)
2115                 return;
2116
2117         /* move mouse to region */
2118         x = rr->g.x + 1;
2119         y = rr->g.y + 1 + (bar_enabled ? bar_height : 0);
2120         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2121
2122         a.id = SWM_ARG_ID_FOCUSCUR;
2123         focus(rr, &a);
2124
2125         if (rr->ws->focus) {
2126                 /* move to focus window */
2127                 x = rr->ws->focus->g.x + 1;
2128                 y = rr->ws->focus->g.y + 1;
2129                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
2130         }
2131 }
2132
2133 void
2134 sort_windows(struct ws_win_list *wl)
2135 {
2136         struct ws_win           *win, *parent, *nxt;
2137
2138         if (wl == NULL)
2139                 return;
2140
2141         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2142                 nxt = TAILQ_NEXT(win, entry);
2143                 if (win->transient) {
2144                         parent = find_window(win->transient);
2145                         if (parent == NULL) {
2146                                 fprintf(stderr, "not possible bug\n");
2147                                 continue;
2148                         }
2149                         TAILQ_REMOVE(wl, win, entry);
2150                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2151                 }
2152         }
2153
2154 }
2155
2156 void
2157 swapwin(struct swm_region *r, union arg *args)
2158 {
2159         struct ws_win           *target, *source;
2160         struct ws_win           *cur_focus;
2161         struct ws_win_list      *wl;
2162
2163
2164         DNPRINTF(SWM_D_WS, "swapwin id %d "
2165             "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
2166             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2167
2168         cur_focus = r->ws->focus;
2169         if (cur_focus == NULL)
2170                 return;
2171
2172         source = cur_focus;
2173         wl = &source->ws->winlist;
2174
2175         switch (args->id) {
2176         case SWM_ARG_ID_SWAPPREV:
2177                 if (source->transient)
2178                         source = find_window(source->transient);
2179                 target = TAILQ_PREV(source, ws_win_list, entry);
2180                 if (target && target->transient)
2181                         target = find_window(target->transient);
2182                 TAILQ_REMOVE(wl, source, entry);
2183                 if (target == NULL)
2184                         TAILQ_INSERT_TAIL(wl, source, entry);
2185                 else
2186                         TAILQ_INSERT_BEFORE(target, source, entry);
2187                 break;
2188         case SWM_ARG_ID_SWAPNEXT:
2189                 target = TAILQ_NEXT(source, entry);
2190                 /* move the parent and let the sort handle the move */
2191                 if (source->transient)
2192                         source = find_window(source->transient);
2193                 TAILQ_REMOVE(wl, source, entry);
2194                 if (target == NULL)
2195                         TAILQ_INSERT_HEAD(wl, source, entry);
2196                 else
2197                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2198                 break;
2199         case SWM_ARG_ID_SWAPMAIN:
2200                 target = TAILQ_FIRST(wl);
2201                 if (target == source) {
2202                         if (source->ws->focus_prev != NULL &&
2203                             source->ws->focus_prev != target)
2204
2205                                 source = source->ws->focus_prev;
2206                         else
2207                                 return;
2208                 }
2209                 if (target == NULL || source == NULL)
2210                         return;
2211                 source->ws->focus_prev = target;
2212                 TAILQ_REMOVE(wl, target, entry);
2213                 TAILQ_INSERT_BEFORE(source, target, entry);
2214                 TAILQ_REMOVE(wl, source, entry);
2215                 TAILQ_INSERT_HEAD(wl, source, entry);
2216                 break;
2217         case SWM_ARG_ID_MOVELAST:
2218                 TAILQ_REMOVE(wl, source, entry);
2219                 TAILQ_INSERT_TAIL(wl, source, entry);
2220                 break;
2221         default:
2222                 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
2223                 return;
2224         }
2225
2226         sort_windows(wl);
2227
2228         stack();
2229 }
2230
2231 void
2232 focus_prev(struct ws_win *win)
2233 {
2234         struct ws_win           *winfocus = NULL, *winlostfocus = NULL;
2235         struct ws_win           *cur_focus = NULL;
2236         struct ws_win_list      *wl = NULL;
2237         struct workspace        *ws = NULL;
2238
2239         DNPRINTF(SWM_D_FOCUS, "focus_prev: id %lu\n", WINID(win));
2240
2241         if (!(win && win->ws))
2242                 return;
2243
2244         ws = win->ws;
2245         wl = &ws->winlist;
2246         cur_focus = ws->focus;
2247         winlostfocus = cur_focus;
2248
2249         /* pickle, just focus on whatever */
2250         if (cur_focus == NULL) {
2251                 /* use prev_focus if valid */
2252                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2253                     find_window(WINID(ws->focus_prev)))
2254                         winfocus = ws->focus_prev;
2255                 if (winfocus == NULL)
2256                         winfocus = TAILQ_FIRST(wl);
2257                 goto done;
2258         }
2259
2260         /* if transient focus on parent */
2261         if (cur_focus->transient) {
2262                 winfocus = find_window(cur_focus->transient);
2263                 goto done;
2264         }
2265
2266         /* if in max_stack try harder */
2267         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2268             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2269                 if (cur_focus != ws->focus_prev)
2270                         winfocus = ws->focus_prev;
2271                 else if (cur_focus != ws->focus)
2272                         winfocus = ws->focus;
2273                 else
2274                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2275                 if (winfocus)
2276                         goto done;
2277         }
2278
2279         if (cur_focus == win)
2280                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
2281         if (winfocus == NULL)
2282                 winfocus = TAILQ_LAST(wl, ws_win_list);
2283         if (winfocus == NULL || winfocus == win)
2284                 winfocus = TAILQ_NEXT(cur_focus, entry);
2285 done:
2286         if (winfocus == winlostfocus || winfocus == NULL)
2287                 return;
2288
2289         focus_magic(winfocus);
2290 }
2291
2292 void
2293 focus(struct swm_region *r, union arg *args)
2294 {
2295         struct ws_win           *winfocus = NULL, *winlostfocus = NULL, *head;
2296         struct ws_win           *cur_focus = NULL;
2297         struct ws_win_list      *wl = NULL;
2298         struct workspace        *ws = NULL;
2299
2300         if (!(r && r->ws))
2301                 return;
2302
2303         DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
2304
2305         /* treat FOCUS_CUR special */
2306         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2307                 if (r->ws->focus && r->ws->focus->iconic == 0)
2308                         winfocus = r->ws->focus;
2309                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2310                         winfocus = r->ws->focus_prev;
2311                 else
2312                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2313                                 if (winfocus->iconic == 0)
2314                                         break;
2315
2316                 focus_magic(winfocus);
2317                 return;
2318         }
2319
2320         if ((cur_focus = r->ws->focus) == NULL)
2321                 return;
2322         ws = r->ws;
2323         wl = &ws->winlist;
2324
2325         winlostfocus = cur_focus;
2326
2327         switch (args->id) {
2328         case SWM_ARG_ID_FOCUSPREV:
2329                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2330                 if (head == NULL)
2331                         head = TAILQ_LAST(wl, ws_win_list);
2332                 winfocus = head;
2333                 if (WINID(winfocus) == cur_focus->transient) {
2334                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2335                         if (head == NULL)
2336                                 head = TAILQ_LAST(wl, ws_win_list);
2337                         winfocus = head;
2338                 }
2339
2340                 /* skip iconics */
2341                 if (winfocus && winfocus->iconic) {
2342                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
2343                                 if (winfocus->iconic == 0)
2344                                         break;
2345                 }
2346                 break;
2347
2348         case SWM_ARG_ID_FOCUSNEXT:
2349                 head = TAILQ_NEXT(cur_focus, entry);
2350                 if (head == NULL)
2351                         head = TAILQ_FIRST(wl);
2352                 winfocus = head;
2353
2354                 /* skip iconics */
2355                 if (winfocus && winfocus->iconic) {
2356                         TAILQ_FOREACH(winfocus, wl, entry)
2357                                 if (winfocus->iconic == 0)
2358                                         break;
2359                 }
2360                 break;
2361
2362         case SWM_ARG_ID_FOCUSMAIN:
2363                 winfocus = TAILQ_FIRST(wl);
2364                 if (winfocus == cur_focus)
2365                         winfocus = cur_focus->ws->focus_prev;
2366                 break;
2367
2368         default:
2369                 return;
2370         }
2371         if (winfocus == winlostfocus || winfocus == NULL)
2372                 return;
2373
2374         focus_magic(winfocus);
2375 }
2376
2377 void
2378 cycle_layout(struct swm_region *r, union arg *args)
2379 {
2380         struct workspace        *ws = r->ws;
2381         struct ws_win           *winfocus;
2382         union arg               a;
2383
2384         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2385
2386         winfocus = ws->focus;
2387
2388         ws->cur_layout++;
2389         if (ws->cur_layout->l_stack == NULL)
2390                 ws->cur_layout = &layouts[0];
2391
2392         stack();
2393         if (focus_mode == SWM_FOCUS_DEFAULT)
2394                 drain_enter_notify();
2395         a.id = SWM_ARG_ID_FOCUSCUR;
2396         focus(r, &a);
2397         bar_update();
2398 }
2399
2400 void
2401 stack_config(struct swm_region *r, union arg *args)
2402 {
2403         struct workspace        *ws = r->ws;
2404
2405         DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
2406             args->id, ws->idx);
2407
2408         if (ws->cur_layout->l_config != NULL)
2409                 ws->cur_layout->l_config(ws, args->id);
2410
2411         if (args->id != SWM_ARG_ID_STACKINIT)
2412                 stack();
2413 }
2414
2415 void
2416 stack(void) {
2417         struct swm_geometry     g;
2418         struct swm_region       *r;
2419         int                     i, j;
2420
2421         DNPRINTF(SWM_D_STACK, "stack\n");
2422
2423         for (i = 0; i < ScreenCount(display); i++) {
2424                 j = 0;
2425                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2426                         DNPRINTF(SWM_D_STACK, "stacking workspace %d "
2427                             "(screen %d, region %d)\n", r->ws->idx, i, j++);
2428
2429                         /* start with screen geometry, adjust for bar */
2430                         g = r->g;
2431                         g.w -= 2 * border_width;
2432                         g.h -= 2 * border_width;
2433                         if (bar_enabled) {
2434                                 if (!bar_at_bottom)
2435                                         g.y += bar_height;
2436                                 g.h -= bar_height;
2437                         }
2438                         r->ws->cur_layout->l_stack(r->ws, &g);
2439                         /* save r so we can track region changes */
2440                         r->ws->old_r = r;
2441                 }
2442         }
2443         if (font_adjusted)
2444                 font_adjusted--;
2445
2446         if (focus_mode == SWM_FOCUS_DEFAULT)
2447                 drain_enter_notify();
2448 }
2449
2450 void
2451 store_float_geom(struct ws_win *win, struct swm_region *r)
2452 {
2453         /* retain window geom and region geom */
2454         win->g_float.x = win->g.x;
2455         win->g_float.y = win->g.y;
2456         win->g_float.w = win->g.w;
2457         win->g_float.h = win->g.h;
2458         win->rg_float.x = r->g.x;
2459         win->rg_float.y = r->g.y;
2460         win->rg_float.w = r->g.w;
2461         win->rg_float.h = r->g.h;
2462         win->g_floatvalid = 1;
2463 }
2464
2465 void
2466 stack_floater(struct ws_win *win, struct swm_region *r)
2467 {
2468         unsigned int            mask;
2469         XWindowChanges          wc;
2470
2471         if (win == NULL)
2472                 return;
2473
2474         bzero(&wc, sizeof wc);
2475         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
2476
2477         /*
2478          * to allow windows to change their size (e.g. mplayer fs) only retrieve
2479          * geom on ws switches or return from max mode
2480          */
2481
2482         if (win->floatmaxed || (r != r->ws->old_r && win->g_floatvalid
2483             && !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
2484                 /*
2485                  * use stored g and rg to set relative position and size
2486                  * as in old region or before max stack mode
2487                  */
2488                 win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
2489                 win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
2490                 win->g.w = win->g_float.w;
2491                 win->g.h = win->g_float.h;
2492                 win->g_floatvalid = 0;
2493         }
2494
2495         win->floatmaxed = 0;
2496
2497         if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w >= WIDTH(r)) &&
2498             (win->g.h >= HEIGHT(r)))
2499                 wc.border_width = 0;
2500         else
2501                 wc.border_width = border_width;
2502         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
2503                 win->g.w = (double)WIDTH(r) * dialog_ratio;
2504                 win->g.h = (double)HEIGHT(r) * dialog_ratio;
2505         }
2506
2507         if (!win->manual) {
2508                 /*
2509                  * floaters and transients are auto-centred unless moved
2510                  * or resized
2511                  */
2512                 win->g.x = r->g.x + (WIDTH(r) - win->g.w) /
2513                     2 - wc.border_width;
2514                 win->g.y = r->g.y + (HEIGHT(r) - win->g.h) /
2515                     2 - wc.border_width;
2516         }
2517
2518         /* win can be outside r if new r smaller than old r */
2519         /* Ensure top left corner inside r (move probs otherwise) */
2520         if (win->g.x < r->g.x - wc.border_width)
2521                 win->g.x = r->g.x - wc.border_width;
2522         if (win->g.x > r->g.x + r->g.w - 1)
2523                 win->g.x = (win->g.w > r->g.w) ? r->g.x :
2524                     (r->g.x + r->g.w - win->g.w - 2 * wc.border_width);
2525         if (win->g.y < r->g.y - wc.border_width)
2526                 win->g.y = r->g.y - wc.border_width;
2527         if (win->g.y > r->g.y + r->g.h - 1)
2528                 win->g.y = (win->g.h > r->g.h) ? r->g.y :
2529                     (r->g.y + r->g.h - win->g.h - 2 * wc.border_width);
2530
2531         wc.x = win->g.x;
2532         wc.y = win->g.y;
2533         wc.width = win->g.w;
2534         wc.height = win->g.h;
2535
2536         /*
2537          * Retain floater and transient geometry for correct positioning
2538          * when ws changes region
2539          */
2540         if (!(win->ewmh_flags & EWMH_F_FULLSCREEN))
2541                 store_float_geom(win, r);
2542
2543         DNPRINTF(SWM_D_MISC, "stack_floater: win %lu x %d y %d w %d h %d\n",
2544             win->id, wc.x, wc.y, wc.width, wc.height);
2545
2546         XConfigureWindow(display, win->id, mask, &wc);
2547 }
2548
2549 /*
2550  * Send keystrokes to terminal to decrease/increase the font size as the
2551  * window size changes.
2552  */
2553 void
2554 adjust_font(struct ws_win *win)
2555 {
2556         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
2557             win->floating || win->transient)
2558                 return;
2559
2560         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
2561             win->g.w / win->sh.width_inc < term_width &&
2562             win->font_steps < SWM_MAX_FONT_STEPS) {
2563                 win->font_size_boundary[win->font_steps] =
2564                     (win->sh.width_inc * term_width) + win->sh.base_width;
2565                 win->font_steps++;
2566                 font_adjusted++;
2567                 win->last_inc = win->sh.width_inc;
2568                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
2569         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
2570             win->g.w > win->font_size_boundary[win->font_steps - 1]) {
2571                 win->font_steps--;
2572                 font_adjusted++;
2573                 win->last_inc = win->sh.width_inc;
2574                 fake_keypress(win, XK_KP_Add, ShiftMask);
2575         }
2576 }
2577
2578 #define SWAPXY(g)       do {                            \
2579         int tmp;                                        \
2580         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
2581         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
2582 } while (0)
2583 void
2584 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
2585 {
2586         XWindowChanges          wc;
2587         XWindowAttributes       wa;
2588         struct swm_geometry     win_g, r_g = *g;
2589         struct ws_win           *win, *fs_win = 0;
2590         int                     i, j, s, stacks;
2591         int                     w_inc = 1, h_inc, w_base = 1, h_base;
2592         int                     hrh, extra = 0, h_slice, last_h = 0;
2593         int                     split, colno, winno, mwin, msize, mscale;
2594         int                     remain, missing, v_slice, reconfigure;
2595         unsigned int            mask;
2596
2597         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
2598             ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
2599
2600         winno = count_win(ws, 0);
2601         if (winno == 0 && count_win(ws, 1) == 0)
2602                 return;
2603
2604         TAILQ_FOREACH(win, &ws->winlist, entry)
2605                 if (win->transient == 0 && win->floating == 0
2606                     && win->iconic == 0)
2607                         break;
2608
2609         if (win == NULL)
2610                 goto notiles;
2611
2612         if (rot) {
2613                 w_inc = win->sh.width_inc;
2614                 w_base = win->sh.base_width;
2615                 mwin = ws->l_state.horizontal_mwin;
2616                 mscale = ws->l_state.horizontal_msize;
2617                 stacks = ws->l_state.horizontal_stacks;
2618                 SWAPXY(&r_g);
2619         } else {
2620                 w_inc = win->sh.height_inc;
2621                 w_base = win->sh.base_height;
2622                 mwin = ws->l_state.vertical_mwin;
2623                 mscale = ws->l_state.vertical_msize;
2624                 stacks = ws->l_state.vertical_stacks;
2625         }
2626         win_g = r_g;
2627
2628         if (stacks > winno - mwin)
2629                 stacks = winno - mwin;
2630         if (stacks < 1)
2631                 stacks = 1;
2632
2633         h_slice = r_g.h / SWM_H_SLICE;
2634         if (mwin && winno > mwin) {
2635                 v_slice = r_g.w / SWM_V_SLICE;
2636
2637                 split = mwin;
2638                 colno = split;
2639                 win_g.w = v_slice * mscale;
2640
2641                 if (w_inc > 1 && w_inc < v_slice) {
2642                         /* adjust for window's requested size increment */
2643                         remain = (win_g.w - w_base) % w_inc;
2644                         missing = w_inc - remain;
2645                         win_g.w -= remain;
2646                         extra += remain;
2647                 }
2648
2649                 msize = win_g.w;
2650                 if (flip)
2651                         win_g.x += r_g.w - msize;
2652         } else {
2653                 msize = -2;
2654                 colno = split = winno / stacks;
2655                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
2656                     2 * border_width) / stacks);
2657         }
2658         hrh = r_g.h / colno;
2659         extra = r_g.h - (colno * hrh);
2660         win_g.h = hrh - 2 * border_width;
2661
2662         /*  stack all the tiled windows */
2663         i = j = 0, s = stacks;
2664         TAILQ_FOREACH(win, &ws->winlist, entry) {
2665                 if (win->transient != 0 || win->floating != 0)
2666                         continue;
2667                 if (win->iconic != 0)
2668                         continue;
2669
2670                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2671                         fs_win = win;
2672                         continue;
2673                 }
2674
2675                 if (split && i == split) {
2676                         colno = (winno - mwin) / stacks;
2677                         if (s <= (winno - mwin) % stacks)
2678                                 colno++;
2679                         split = split + colno;
2680                         hrh = (r_g.h / colno);
2681                         extra = r_g.h - (colno * hrh);
2682                         if (flip)
2683                                 win_g.x = r_g.x;
2684                         else
2685                                 win_g.x += win_g.w + 2 * border_width;
2686                         win_g.w = (r_g.w - msize -
2687                             (stacks * 2 * border_width)) / stacks;
2688                         if (s == 1)
2689                                 win_g.w += (r_g.w - msize -
2690                                     (stacks * 2 * border_width)) % stacks;
2691                         s--;
2692                         j = 0;
2693                 }
2694                 win_g.h = hrh - 2 * border_width;
2695                 if (rot) {
2696                         h_inc = win->sh.width_inc;
2697                         h_base = win->sh.base_width;
2698                 } else {
2699                         h_inc = win->sh.height_inc;
2700                         h_base = win->sh.base_height;
2701                 }
2702                 if (j == colno - 1) {
2703                         win_g.h = hrh + extra;
2704                 } else if (h_inc > 1 && h_inc < h_slice) {
2705                         /* adjust for window's requested size increment */
2706                         remain = (win_g.h - h_base) % h_inc;
2707                         missing = h_inc - remain;
2708
2709                         if (missing <= extra || j == 0) {
2710                                 extra -= missing;
2711                                 win_g.h += missing;
2712                         } else {
2713                                 win_g.h -= remain;
2714                                 extra += remain;
2715                         }
2716                 }
2717
2718                 if (j == 0)
2719                         win_g.y = r_g.y;
2720                 else
2721                         win_g.y += last_h + 2 * border_width;
2722
2723                 bzero(&wc, sizeof wc);
2724                 if (disable_border && bar_enabled == 0 && winno == 1){
2725                         wc.border_width = 0;
2726                         win_g.w += 2 * border_width;
2727                         win_g.h += 2 * border_width;
2728                 } else
2729                         wc.border_width = border_width;
2730                 reconfigure = 0;
2731                 if (rot) {
2732                         if (win->g.x != win_g.y || win->g.y != win_g.x ||
2733                             win->g.w != win_g.h || win->g.h != win_g.w) {
2734                                 reconfigure = 1;
2735                                 win->g.x = wc.x = win_g.y;
2736                                 win->g.y = wc.y = win_g.x;
2737                                 win->g.w = wc.width = win_g.h;
2738                                 win->g.h = wc.height = win_g.w;
2739                         }
2740                 } else {
2741                         if (win->g.x != win_g.x || win->g.y != win_g.y ||
2742                             win->g.w != win_g.w || win->g.h != win_g.h) {
2743                                 reconfigure = 1;
2744                                 win->g.x = wc.x = win_g.x;
2745                                 win->g.y = wc.y = win_g.y;
2746                                 win->g.w = wc.width = win_g.w;
2747                                 win->g.h = wc.height = win_g.h;
2748                         }
2749                 }
2750                 if (reconfigure) {
2751                         adjust_font(win);
2752                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2753                         XConfigureWindow(display, win->id, mask, &wc);
2754                 }
2755
2756                 if (XGetWindowAttributes(display, win->id, &wa))
2757                         if (wa.map_state == IsUnmapped)
2758                                 XMapRaised(display, win->id);
2759
2760                 last_h = win_g.h;
2761                 i++;
2762                 j++;
2763         }
2764
2765 notiles:
2766         /* now, stack all the floaters and transients */
2767         TAILQ_FOREACH(win, &ws->winlist, entry) {
2768                 if (win->transient == 0 && win->floating == 0)
2769                         continue;
2770                 if (win->iconic == 1)
2771                         continue;
2772                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
2773                         fs_win = win;
2774                         continue;
2775                 }
2776
2777                 stack_floater(win, ws->r);
2778                 XMapRaised(display, win->id);
2779         }
2780
2781         if (fs_win) {
2782                 stack_floater(fs_win, ws->r);
2783                 XMapRaised(display, fs_win->id);
2784         }
2785 }
2786
2787 void
2788 vertical_config(struct workspace *ws, int id)
2789 {
2790         DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
2791
2792         switch (id) {
2793         case SWM_ARG_ID_STACKRESET:
2794         case SWM_ARG_ID_STACKINIT:
2795                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
2796                 ws->l_state.vertical_mwin = 1;
2797                 ws->l_state.vertical_stacks = 1;
2798                 break;
2799         case SWM_ARG_ID_MASTERSHRINK:
2800                 if (ws->l_state.vertical_msize > 1)
2801                         ws->l_state.vertical_msize--;
2802                 break;
2803         case SWM_ARG_ID_MASTERGROW:
2804                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
2805                         ws->l_state.vertical_msize++;
2806                 break;
2807         case SWM_ARG_ID_MASTERADD:
2808                 ws->l_state.vertical_mwin++;
2809                 break;
2810         case SWM_ARG_ID_MASTERDEL:
2811                 if (ws->l_state.vertical_mwin > 0)
2812                         ws->l_state.vertical_mwin--;
2813                 break;
2814         case SWM_ARG_ID_STACKINC:
2815                 ws->l_state.vertical_stacks++;
2816                 break;
2817         case SWM_ARG_ID_STACKDEC:
2818                 if (ws->l_state.vertical_stacks > 1)
2819                         ws->l_state.vertical_stacks--;
2820                 break;
2821         default:
2822                 return;
2823         }
2824 }
2825
2826 void
2827 vertical_stack(struct workspace *ws, struct swm_geometry *g)
2828 {
2829         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
2830
2831         stack_master(ws, g, 0, 0);
2832 }
2833
2834 void
2835 horizontal_config(struct workspace *ws, int id)
2836 {
2837         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
2838
2839         switch (id) {
2840         case SWM_ARG_ID_STACKRESET:
2841         case SWM_ARG_ID_STACKINIT:
2842                 ws->l_state.horizontal_mwin = 1;
2843                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
2844                 ws->l_state.horizontal_stacks = 1;
2845                 break;
2846         case SWM_ARG_ID_MASTERSHRINK:
2847                 if (ws->l_state.horizontal_msize > 1)
2848                         ws->l_state.horizontal_msize--;
2849                 break;
2850         case SWM_ARG_ID_MASTERGROW:
2851                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
2852                         ws->l_state.horizontal_msize++;
2853                 break;
2854         case SWM_ARG_ID_MASTERADD:
2855                 ws->l_state.horizontal_mwin++;
2856                 break;
2857         case SWM_ARG_ID_MASTERDEL:
2858                 if (ws->l_state.horizontal_mwin > 0)
2859                         ws->l_state.horizontal_mwin--;
2860                 break;
2861         case SWM_ARG_ID_STACKINC:
2862                 ws->l_state.horizontal_stacks++;
2863                 break;
2864         case SWM_ARG_ID_STACKDEC:
2865                 if (ws->l_state.horizontal_stacks > 1)
2866                         ws->l_state.horizontal_stacks--;
2867                 break;
2868         default:
2869                 return;
2870         }
2871 }
2872
2873 void
2874 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
2875 {
2876         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
2877
2878         stack_master(ws, g, 1, 0);
2879 }
2880
2881 /* fullscreen view */
2882 void
2883 max_stack(struct workspace *ws, struct swm_geometry *g)
2884 {
2885         XWindowChanges          wc;
2886         struct swm_geometry     gg = *g;
2887         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
2888         unsigned int            mask;
2889         int                     winno;
2890
2891         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
2892
2893         if (ws == NULL)
2894                 return;
2895
2896         winno = count_win(ws, 0);
2897         if (winno == 0 && count_win(ws, 1) == 0)
2898                 return;
2899
2900         TAILQ_FOREACH(win, &ws->winlist, entry) {
2901                 if (win->transient) {
2902                         wintrans = win;
2903                         parent = find_window(win->transient);
2904                         continue;
2905                 }
2906
2907                 if (win->floating && win->floatmaxed == 0 ) {
2908                         /*
2909                          * retain geometry for retrieval on exit from
2910                          * max_stack mode
2911                          */
2912                         store_float_geom(win, ws->r);
2913                         win->floatmaxed = 1;
2914                 }
2915
2916                 /* only reconfigure if necessary */
2917                 if (win->g.x != gg.x || win->g.y != gg.y || win->g.w != gg.w ||
2918                     win->g.h != gg.h) {
2919                         bzero(&wc, sizeof wc);
2920                         win->g.x = wc.x = gg.x;
2921                         win->g.y = wc.y = gg.y;
2922                         if (bar_enabled){
2923                                 wc.border_width = border_width;
2924                                 win->g.w = wc.width = gg.w;
2925                                 win->g.h = wc.height = gg.h;
2926                         } else {
2927                                 wc.border_width = 0;
2928                                 win->g.w = wc.width = gg.w + 2 * border_width;
2929                                 win->g.h = wc.height = gg.h + 2 * border_width;
2930                         }
2931                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2932                         XConfigureWindow(display, win->id, mask, &wc);
2933                 }
2934                 /* unmap only if we don't have multi screen */
2935                 if (win != ws->focus)
2936                         if (!(ScreenCount(display) > 1 || outputs > 1))
2937                                 unmap_window(win);
2938         }
2939
2940         /* put the last transient on top */
2941         if (wintrans) {
2942                 if (parent)
2943                         XMapRaised(display, parent->id);
2944                 stack_floater(wintrans, ws->r);
2945                 focus_magic(wintrans);
2946         }
2947 }
2948
2949 void
2950 send_to_ws(struct swm_region *r, union arg *args)
2951 {
2952         int                     wsid = args->id;
2953         struct ws_win           *win = NULL, *parent;
2954         struct workspace        *ws, *nws;
2955         Atom                    ws_idx_atom = 0;
2956         unsigned char           ws_idx_str[SWM_PROPLEN];
2957         union arg               a;
2958
2959         if (r && r->ws)
2960                 win = r->ws->focus;
2961         else
2962                 return;
2963         if (win == NULL)
2964                 return;
2965         if (win->ws->idx == wsid)
2966                 return;
2967
2968         DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
2969
2970         ws = win->ws;
2971         nws = &win->s->ws[wsid];
2972
2973         a.id = SWM_ARG_ID_FOCUSPREV;
2974         focus(r, &a);
2975         if (win->transient) {
2976                 parent = find_window(win->transient);
2977                 if (parent) {
2978                         unmap_window(parent);
2979                         TAILQ_REMOVE(&ws->winlist, parent, entry);
2980                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
2981                         parent->ws = nws;
2982                 }
2983         }
2984         unmap_window(win);
2985         TAILQ_REMOVE(&ws->winlist, win, entry);
2986         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
2987         win->ws = nws;
2988
2989         /* Try to update the window's workspace property */
2990         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
2991         if (ws_idx_atom &&
2992             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
2993                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
2994                     ws_idx_str);
2995                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
2996                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
2997         }
2998
2999         stack();
3000 }
3001
3002 void
3003 iconify(struct swm_region *r, union arg *args)
3004 {
3005         union arg a;
3006
3007         if (r->ws->focus == NULL)
3008                 return;
3009         unmap_window(r->ws->focus);
3010         update_iconic(r->ws->focus, 1);
3011         stack();
3012         if (focus_mode == SWM_FOCUS_DEFAULT)
3013                 drain_enter_notify();
3014         r->ws->focus = NULL;
3015         a.id = SWM_ARG_ID_FOCUSCUR;
3016         focus(r, &a);
3017 }
3018
3019 unsigned char *
3020 get_win_name(Display *dpy, Window win, Atom wname, Atom stype,
3021     unsigned long *slen)
3022 {
3023         int                     status, retfmt;
3024         unsigned long           nitems, nbytes, nextra;
3025         unsigned char           *prop = NULL;
3026         Atom                    rettype;
3027
3028         status = XGetWindowProperty(dpy, win, wname, 0L, 0L, False, stype,
3029             &rettype, &retfmt,  &nitems, &nbytes, &prop);
3030         if (status != Success)
3031                 return (NULL);
3032         XFree(prop);
3033
3034         status = XGetWindowProperty(dpy, win, wname, 0L, nbytes, False,
3035             stype, &rettype, &retfmt, &nitems, &nextra, &prop);
3036         if (status != Success) {
3037                 XFree(prop);
3038                 return (NULL);
3039         }
3040         if (rettype != stype) {
3041                 XFree(prop);
3042                 return (NULL);
3043         }
3044         *slen = nitems;
3045         return (prop);
3046 }
3047
3048 void
3049 uniconify(struct swm_region *r, union arg *args)
3050 {
3051         struct ws_win           *win;
3052         FILE                    *lfile;
3053         char                    *name;
3054         int                     count = 0;
3055         unsigned long           len;
3056
3057         DNPRINTF(SWM_D_MISC, "uniconify\n");
3058
3059         if (r && r->ws == NULL)
3060                 return;
3061
3062         /* make sure we have anything to uniconify */
3063         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3064                 if (win->ws == NULL)
3065                         continue; /* should never happen */
3066                 if (win->iconic == 0)
3067                         continue;
3068                 count++;
3069         }
3070         if (count == 0)
3071                 return;
3072
3073         search_r = r;
3074
3075         spawn_select(r, args, "uniconify", &searchpid);
3076
3077         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3078                 return;
3079
3080         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3081                 if (win->ws == NULL)
3082                         continue; /* should never happen */
3083                 if (win->iconic == 0)
3084                         continue;
3085
3086                 name = get_win_name(display, win->id, a_wmname, a_string,
3087                     &len);
3088                 if (name == NULL)
3089                         continue;
3090                 fprintf(lfile, "%s.%lu\n", name, win->id);
3091                 XFree(name);
3092         }
3093
3094         fclose(lfile);
3095 }
3096
3097 #define MAX_RESP_LEN    1024
3098
3099 void
3100 search_do_resp(void)
3101 {
3102         ssize_t                 rbytes;
3103         struct ws_win           *win;
3104         char                    *name, *resp, *s;
3105         unsigned long           len;
3106
3107         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
3108
3109         search_resp = 0;
3110         searchpid = 0;
3111
3112         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
3113                 fprintf(stderr, "search: calloc\n");
3114                 return;
3115         }
3116
3117         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
3118         if (rbytes <= 0) {
3119                 fprintf(stderr, "search: read error: %s\n", strerror(errno));
3120                 goto done;
3121         }
3122         resp[rbytes] = '\0';
3123         len = strlen(resp);
3124
3125         DNPRINTF(SWM_D_MISC, "search_do_resp: resp %s\n", resp);
3126         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3127                 if (win->iconic == 0)
3128                         continue;
3129                 name = get_win_name(display, win->id, a_wmname, a_string, &len);
3130                 if (name == NULL)
3131                         continue;
3132                 if (asprintf(&s, "%s.%lu", name, win->id) == -1) {
3133                         XFree(name);
3134                         continue;
3135                 }
3136                 XFree(name);
3137                 if (strncmp(s, resp, len) == 0) {
3138                         /* XXX this should be a callback to generalize */
3139                         update_iconic(win, 0);
3140                         free(s);
3141                         break;
3142                 }
3143                 free(s);
3144         }
3145 done:
3146         free(resp);
3147 }
3148
3149 void
3150 wkill(struct swm_region *r, union arg *args)
3151 {
3152         DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
3153
3154         if (r->ws->focus == NULL)
3155                 return;
3156
3157         if (args->id == SWM_ARG_ID_KILLWINDOW)
3158                 XKillClient(display, r->ws->focus->id);
3159         else
3160                 if (r->ws->focus->can_delete)
3161                         client_msg(r->ws->focus, adelete);
3162 }
3163
3164
3165 int
3166 floating_toggle_win(struct ws_win *win)
3167 {
3168         struct swm_region       *r;
3169
3170         if (win == NULL)
3171                 return 0;
3172
3173         if (!win->ws->r)
3174                 return 0;
3175
3176         r = win->ws->r;
3177
3178         /* reject floating toggles in max stack mode */
3179         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
3180                 return 0;
3181
3182         if (win->floating) {
3183                 if (!win->floatmaxed) {
3184                         /* retain position for refloat */
3185                         store_float_geom(win, r);
3186                 }
3187                 win->floating = 0;
3188         } else {
3189                 if (win->g_floatvalid) {
3190                         /* refloat at last floating relative position */
3191                         win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
3192                         win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
3193                         win->g.w = win->g_float.w;
3194                         win->g.h = win->g_float.h;
3195                 }
3196                 win->floating = 1;
3197         }
3198
3199         ewmh_update_actions(win);
3200
3201         return 1;
3202 }
3203
3204 void
3205 floating_toggle(struct swm_region *r, union arg *args)
3206 {
3207         struct ws_win           *win = r->ws->focus;
3208         union arg               a;
3209
3210         if (win == NULL)
3211                 return;
3212
3213         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3214             _NET_WM_STATE_TOGGLE);
3215
3216         stack();
3217         if (focus_mode == SWM_FOCUS_DEFAULT)
3218                 drain_enter_notify();
3219
3220         if (win == win->ws->focus) {
3221                 a.id = SWM_ARG_ID_FOCUSCUR;
3222                 focus(win->ws->r, &a);
3223         }
3224 }
3225
3226 void
3227 resize_window(struct ws_win *win, int center)
3228 {
3229         unsigned int            mask;
3230         XWindowChanges          wc;
3231         struct swm_region       *r;
3232
3233         r = root_to_region(win->wa.root);
3234         bzero(&wc, sizeof wc);
3235         mask = CWBorderWidth | CWWidth | CWHeight;
3236         wc.border_width = border_width;
3237         wc.width = win->g.w;
3238         wc.height = win->g.h;
3239         if (center == SWM_ARG_ID_CENTER) {
3240                 wc.x = (WIDTH(r) - win->g.w) / 2 - border_width;
3241                 wc.y = (HEIGHT(r) - win->g.h) / 2 - border_width;
3242                 mask |= CWX | CWY;
3243         }
3244
3245         DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
3246             win->id, wc.x, wc.y, wc.width, wc.height);
3247
3248         XConfigureWindow(display, win->id, mask, &wc);
3249 }
3250
3251 void
3252 resize(struct ws_win *win, union arg *args)
3253 {
3254         XEvent                  ev;
3255         Time                    time = 0;
3256         struct swm_region       *r = win->ws->r;
3257         int                     relx, rely;
3258
3259
3260         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %lu\n",
3261             win->id, win->floating, win->transient);
3262
3263         if (!(win->transient != 0 || win->floating != 0))
3264                 return;
3265
3266         /* reject resizes in max mode for floaters (transient ok) */
3267         if (win->floatmaxed)
3268                 return;
3269
3270         win->manual = 1;
3271         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3272             _NET_WM_STATE_ADD);
3273
3274         stack();
3275         if (focus_mode == SWM_FOCUS_DEFAULT)
3276                 drain_enter_notify();
3277
3278         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3279             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3280                 return;
3281
3282         /* place pointer at bottom left corner or nearest point inside r */
3283         if ( win->g.x + win->g.w < r->g.x + r->g.w - 1)
3284                 relx = win->g.w - 1;
3285         else
3286                 relx = r->g.x + r->g.w - win->g.x - 1;
3287
3288         if ( win->g.y + win->g.h < r->g.y + r->g.h - 1)
3289                 rely = win->g.h - 1;
3290         else
3291                 rely = r->g.y + r->g.h - win->g.y - 1;
3292
3293         XWarpPointer(display, None, win->id, 0, 0, 0, 0, relx, rely);
3294         do {
3295                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3296                     SubstructureRedirectMask, &ev);
3297                 switch (ev.type) {
3298                 case ConfigureRequest:
3299                 case Expose:
3300                 case MapRequest:
3301                         handler[ev.type](&ev);
3302                         break;
3303                 case MotionNotify:
3304                         /* do not allow resize outside of region */
3305                         if (    ev.xmotion.x_root < r->g.x ||
3306                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3307                                 ev.xmotion.y_root < r->g.y ||
3308                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3309                                 continue;
3310
3311                         if (ev.xmotion.x <= 1)
3312                                 ev.xmotion.x = 1;
3313                         if (ev.xmotion.y <= 1)
3314                                 ev.xmotion.y = 1;
3315                         win->g.w = ev.xmotion.x + 1;
3316                         win->g.h = ev.xmotion.y + 1;
3317
3318                         /* not free, don't sync more than 120 times / second */
3319                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3320                                 time = ev.xmotion.time;
3321                                 XSync(display, False);
3322                                 resize_window(win, args->id);
3323                         }
3324                         break;
3325                 }
3326         } while (ev.type != ButtonRelease);
3327         if (time) {
3328                 XSync(display, False);
3329                 resize_window(win, args->id);
3330         }
3331         store_float_geom(win,r);
3332
3333         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
3334             win->g.h - 1);
3335         XUngrabPointer(display, CurrentTime);
3336
3337         /* drain events */
3338         drain_enter_notify();
3339 }
3340
3341 void
3342 move_window(struct ws_win *win)
3343 {
3344         unsigned int            mask;
3345         XWindowChanges          wc;
3346         struct swm_region       *r;
3347
3348         r = root_to_region(win->wa.root);
3349         bzero(&wc, sizeof wc);
3350         mask = CWX | CWY;
3351         wc.x = win->g.x;
3352         wc.y = win->g.y;
3353         wc.border_width = border_width;
3354
3355         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
3356             win->id, wc.x, wc.y, wc.width, wc.height);
3357
3358         XConfigureWindow(display, win->id, mask, &wc);
3359 }
3360
3361 void
3362 move(struct ws_win *win, union arg *args)
3363 {
3364         XEvent                  ev;
3365         Time                    time = 0;
3366         struct swm_region       *r = win->ws->r;
3367
3368         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %lu\n",
3369             win->id, win->floating, win->transient);
3370
3371         /* in max_stack mode should only move transients */
3372         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
3373                 return;
3374
3375         win->manual = 1;
3376         if (win->floating == 0 && !win->transient) {
3377                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
3378                     _NET_WM_STATE_ADD);
3379         }
3380         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
3381             _NET_WM_STATE_ADD);
3382
3383         stack();
3384
3385         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
3386             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
3387                 return;
3388         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3389         do {
3390                 XMaskEvent(display, MOUSEMASK | ExposureMask |
3391                     SubstructureRedirectMask, &ev);
3392                 switch (ev.type) {
3393                 case ConfigureRequest:
3394                 case Expose:
3395                 case MapRequest:
3396                         handler[ev.type](&ev);
3397                         break;
3398                 case MotionNotify:
3399                         /* don't allow to move window origin out of region */
3400                         if (    ev.xmotion.x_root < r->g.x ||
3401                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
3402                                 ev.xmotion.y_root < r->g.y ||
3403                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
3404                                 continue;
3405
3406                         win->g.x = ev.xmotion.x_root - border_width;
3407                         win->g.y = ev.xmotion.y_root - border_width;
3408
3409                         /* not free, don't sync more than 120 times / second */
3410                         if ((ev.xmotion.time - time) > (1000 / 120) ) {
3411                                 time = ev.xmotion.time;
3412                                 XSync(display, False);
3413                                 move_window(win);
3414                         }
3415                         break;
3416                 }
3417         } while (ev.type != ButtonRelease);
3418         if (time) {
3419                 XSync(display, False);
3420                 move_window(win);
3421         }
3422         store_float_geom(win,r);
3423         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
3424         XUngrabPointer(display, CurrentTime);
3425
3426         /* drain events */
3427         drain_enter_notify();
3428 }
3429
3430 /* user/key callable function IDs */
3431 enum keyfuncid {
3432         kf_cycle_layout,
3433         kf_stack_reset,
3434         kf_master_shrink,
3435         kf_master_grow,
3436         kf_master_add,
3437         kf_master_del,
3438         kf_stack_inc,
3439         kf_stack_dec,
3440         kf_swap_main,
3441         kf_focus_next,
3442         kf_focus_prev,
3443         kf_swap_next,
3444         kf_swap_prev,
3445         kf_spawn_term,
3446         kf_spawn_menu,
3447         kf_quit,
3448         kf_restart,
3449         kf_focus_main,
3450         kf_ws_1,
3451         kf_ws_2,
3452         kf_ws_3,
3453         kf_ws_4,
3454         kf_ws_5,
3455         kf_ws_6,
3456         kf_ws_7,
3457         kf_ws_8,
3458         kf_ws_9,
3459         kf_ws_10,
3460         kf_ws_next,
3461         kf_ws_prev,
3462         kf_ws_prior,
3463         kf_screen_next,
3464         kf_screen_prev,
3465         kf_mvws_1,
3466         kf_mvws_2,
3467         kf_mvws_3,
3468         kf_mvws_4,
3469         kf_mvws_5,
3470         kf_mvws_6,
3471         kf_mvws_7,
3472         kf_mvws_8,
3473         kf_mvws_9,
3474         kf_mvws_10,
3475         kf_bar_toggle,
3476         kf_wind_kill,
3477         kf_wind_del,
3478         kf_screenshot_all,
3479         kf_screenshot_wind,
3480         kf_float_toggle,
3481         kf_version,
3482         kf_spawn_lock,
3483         kf_spawn_initscr,
3484         kf_spawn_custom,
3485         kf_iconify,
3486         kf_uniconify,
3487         kf_dumpwins, /* MUST BE LAST */
3488         kf_invalid
3489 };
3490
3491 /* key definitions */
3492 void
3493 dummykeyfunc(struct swm_region *r, union arg *args)
3494 {
3495 };
3496
3497 void
3498 legacyfunc(struct swm_region *r, union arg *args)
3499 {
3500 };
3501
3502 struct keyfunc {
3503         char                    name[SWM_FUNCNAME_LEN];
3504         void                    (*func)(struct swm_region *r, union arg *);
3505         union arg               args;
3506 } keyfuncs[kf_invalid + 1] = {
3507         /* name                 function        argument */
3508         { "cycle_layout",       cycle_layout,   {0} },
3509         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
3510         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
3511         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
3512         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
3513         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
3514         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
3515         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
3516         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
3517         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
3518         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
3519         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
3520         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
3521         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
3522         { "spawn_menu",         legacyfunc,     {0} },
3523         { "quit",               quit,           {0} },
3524         { "restart",            restart,        {0} },
3525         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
3526         { "ws_1",               switchws,       {.id = 0} },
3527         { "ws_2",               switchws,       {.id = 1} },
3528         { "ws_3",               switchws,       {.id = 2} },
3529         { "ws_4",               switchws,       {.id = 3} },
3530         { "ws_5",               switchws,       {.id = 4} },
3531         { "ws_6",               switchws,       {.id = 5} },
3532         { "ws_7",               switchws,       {.id = 6} },
3533         { "ws_8",               switchws,       {.id = 7} },
3534         { "ws_9",               switchws,       {.id = 8} },
3535         { "ws_10",              switchws,       {.id = 9} },
3536         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
3537         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
3538         { "ws_prior",           priorws,        {0} },
3539         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
3540         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
3541         { "mvws_1",             send_to_ws,     {.id = 0} },
3542         { "mvws_2",             send_to_ws,     {.id = 1} },
3543         { "mvws_3",             send_to_ws,     {.id = 2} },
3544         { "mvws_4",             send_to_ws,     {.id = 3} },
3545         { "mvws_5",             send_to_ws,     {.id = 4} },
3546         { "mvws_6",             send_to_ws,     {.id = 5} },
3547         { "mvws_7",             send_to_ws,     {.id = 6} },
3548         { "mvws_8",             send_to_ws,     {.id = 7} },
3549         { "mvws_9",             send_to_ws,     {.id = 8} },
3550         { "mvws_10",            send_to_ws,     {.id = 9} },
3551         { "bar_toggle",         bar_toggle,     {0} },
3552         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
3553         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
3554         { "screenshot_all",     legacyfunc,     {0} },
3555         { "screenshot_wind",    legacyfunc,     {0} },
3556         { "float_toggle",       floating_toggle,{0} },
3557         { "version",            version,        {0} },
3558         { "spawn_lock",         legacyfunc,     {0} },
3559         { "spawn_initscr",      legacyfunc,     {0} },
3560         { "spawn_custom",       dummykeyfunc,   {0} },
3561         { "iconify",            iconify,        {0} },
3562         { "uniconify",          uniconify,      {0} },
3563         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
3564         { "invalid key func",   NULL,           {0} },
3565 };
3566 struct key {
3567         unsigned int            mod;
3568         KeySym                  keysym;
3569         enum keyfuncid          funcid;
3570         char                    *spawn_name;
3571 };
3572 int                             keys_size = 0, keys_length = 0;
3573 struct key                      *keys = NULL;
3574
3575 /* mouse */
3576 enum { client_click, root_click };
3577 struct button {
3578         unsigned int            action;
3579         unsigned int            mask;
3580         unsigned int            button;
3581         void                    (*func)(struct ws_win *, union arg *);
3582         union arg               args;
3583 } buttons[] = {
3584           /* action     key             mouse button    func    args */
3585         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
3586         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
3587         { client_click, MODKEY,         Button1,        move,   {0} },
3588 };
3589
3590 void
3591 update_modkey(unsigned int mod)
3592 {
3593         int                     i;
3594
3595         mod_key = mod;
3596         for (i = 0; i < keys_length; i++)
3597                 if (keys[i].mod & ShiftMask)
3598                         keys[i].mod = mod | ShiftMask;
3599                 else
3600                         keys[i].mod = mod;
3601
3602         for (i = 0; i < LENGTH(buttons); i++)
3603                 if (buttons[i].mask & ShiftMask)
3604                         buttons[i].mask = mod | ShiftMask;
3605                 else
3606                         buttons[i].mask = mod;
3607 }
3608
3609 /* spawn */
3610 struct spawn_prog {
3611         char                    *name;
3612         int                     argc;
3613         char                    **argv;
3614 };
3615
3616 int                             spawns_size = 0, spawns_length = 0;
3617 struct spawn_prog               *spawns = NULL;
3618
3619 int
3620 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
3621     char ***ret_args)
3622 {
3623         struct spawn_prog       *prog = NULL;
3624         int                     i;
3625         char                    *ap, **real_args;
3626
3627         DNPRINTF(SWM_D_SPAWN, "spawn_expand %s\n", spawn_name);
3628
3629         /* find program */
3630         for (i = 0; i < spawns_length; i++) {
3631                 if (!strcasecmp(spawn_name, spawns[i].name))
3632                         prog = &spawns[i];
3633         }
3634         if (prog == NULL) {
3635                 fprintf(stderr, "spawn_custom: program %s not found\n",
3636                     spawn_name);
3637                 return (-1);
3638         }
3639
3640         /* make room for expanded args */
3641         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
3642                 err(1, "spawn_custom: calloc real_args");
3643
3644         /* expand spawn_args into real_args */
3645         for (i = 0; i < prog->argc; i++) {
3646                 ap = prog->argv[i];
3647                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
3648                 if (!strcasecmp(ap, "$bar_border")) {
3649                         if ((real_args[i] =
3650                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
3651                             == NULL)
3652                                 err(1,  "spawn_custom border color");
3653                 } else if (!strcasecmp(ap, "$bar_color")) {
3654                         if ((real_args[i] =
3655                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
3656                             == NULL)
3657                                 err(1, "spawn_custom bar color");
3658                 } else if (!strcasecmp(ap, "$bar_font")) {
3659                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
3660                             == NULL)
3661                                 err(1, "spawn_custom bar fonts");
3662                 } else if (!strcasecmp(ap, "$bar_font_color")) {
3663                         if ((real_args[i] =
3664                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
3665                             == NULL)
3666                                 err(1, "spawn_custom color font");
3667                 } else if (!strcasecmp(ap, "$color_focus")) {
3668                         if ((real_args[i] =
3669                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
3670                             == NULL)
3671                                 err(1, "spawn_custom color focus");
3672                 } else if (!strcasecmp(ap, "$color_unfocus")) {
3673                         if ((real_args[i] =
3674                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
3675                             == NULL)
3676                                 err(1, "spawn_custom color unfocus");
3677                 } else {
3678                         /* no match --> copy as is */
3679                         if ((real_args[i] = strdup(ap)) == NULL)
3680                                 err(1, "spawn_custom strdup(ap)");
3681                 }
3682                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
3683                     real_args[i]);
3684         }
3685
3686 #ifdef SWM_DEBUG
3687         if ((swm_debug & SWM_D_SPAWN) != 0) {
3688                 fprintf(stderr, "spawn_custom: result = ");
3689                 for (i = 0; i < prog->argc; i++)
3690                         fprintf(stderr, "\"%s\" ", real_args[i]);
3691                 fprintf(stderr, "\n");
3692         }
3693 #endif
3694         *ret_args = real_args;
3695         return (prog->argc);
3696 }
3697
3698 void
3699 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
3700 {
3701         union arg               a;
3702         char                    **real_args;
3703         int                     spawn_argc, i;
3704
3705         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
3706                 return;
3707         a.argv = real_args;
3708         if (fork() == 0)
3709                 spawn(r->ws->idx, &a, 1);
3710
3711         for (i = 0; i < spawn_argc; i++)
3712                 free(real_args[i]);
3713         free(real_args);
3714 }
3715
3716 void
3717 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
3718 {
3719         union arg               a;
3720         char                    **real_args;
3721         int                     i, spawn_argc;
3722
3723         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
3724                 return;
3725         a.argv = real_args;
3726
3727         if (pipe(select_list_pipe) == -1)
3728                 err(1, "pipe error");
3729         if (pipe(select_resp_pipe) == -1)
3730                 err(1, "pipe error");
3731
3732         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
3733                 err(1, "could not disable SIGPIPE");
3734         switch (*pid = fork()) {
3735         case -1:
3736                 err(1, "cannot fork");
3737                 break;
3738         case 0: /* child */
3739                 if (dup2(select_list_pipe[0], 0) == -1)
3740                         errx(1, "dup2");
3741                 if (dup2(select_resp_pipe[1], 1) == -1)
3742                         errx(1, "dup2");
3743                 close(select_list_pipe[1]);
3744                 close(select_resp_pipe[0]);
3745                 spawn(r->ws->idx, &a, 0);
3746                 break;
3747         default: /* parent */
3748                 close(select_list_pipe[0]);
3749                 close(select_resp_pipe[1]);
3750                 break;
3751         }
3752
3753         for (i = 0; i < spawn_argc; i++)
3754                 free(real_args[i]);
3755         free(real_args);
3756 }
3757
3758 void
3759 setspawn(struct spawn_prog *prog)
3760 {
3761         int                     i, j;
3762
3763         if (prog == NULL || prog->name == NULL)
3764                 return;
3765
3766         /* find existing */
3767         for (i = 0; i < spawns_length; i++) {
3768                 if (!strcmp(spawns[i].name, prog->name)) {
3769                         /* found */
3770                         if (prog->argv == NULL) {
3771                                 /* delete */
3772                                 DNPRINTF(SWM_D_SPAWN,
3773                                     "setspawn: delete #%d %s\n",
3774                                     i, spawns[i].name);
3775                                 free(spawns[i].name);
3776                                 for (j = 0; j < spawns[i].argc; j++)
3777                                         free(spawns[i].argv[j]);
3778                                 free(spawns[i].argv);
3779                                 j = spawns_length - 1;
3780                                 if (i < j)
3781                                         spawns[i] = spawns[j];
3782                                 spawns_length--;
3783                                 free(prog->name);
3784                         } else {
3785                                 /* replace */
3786                                 DNPRINTF(SWM_D_SPAWN,
3787                                     "setspawn: replace #%d %s\n",
3788                                     i, spawns[i].name);
3789                                 free(spawns[i].name);
3790                                 for (j = 0; j < spawns[i].argc; j++)
3791                                         free(spawns[i].argv[j]);
3792                                 free(spawns[i].argv);
3793                                 spawns[i] = *prog;
3794                         }
3795                         /* found case handled */
3796                         free(prog);
3797                         return;
3798                 }
3799         }
3800
3801         if (prog->argv == NULL) {
3802                 fprintf(stderr,
3803                     "error: setspawn: cannot find program %s", prog->name);
3804                 free(prog);
3805                 return;
3806         }
3807
3808         /* not found: add */
3809         if (spawns_size == 0 || spawns == NULL) {
3810                 spawns_size = 4;
3811                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
3812                 spawns = malloc((size_t)spawns_size *
3813                     sizeof(struct spawn_prog));
3814                 if (spawns == NULL) {
3815                         fprintf(stderr, "setspawn: malloc failed\n");
3816                         perror(" failed");
3817                         quit(NULL, NULL);
3818                 }
3819         } else if (spawns_length == spawns_size) {
3820                 spawns_size *= 2;
3821                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
3822                 spawns = realloc(spawns, (size_t)spawns_size *
3823                     sizeof(struct spawn_prog));
3824                 if (spawns == NULL) {
3825                         fprintf(stderr, "setspawn: realloc failed\n");
3826                         perror(" failed");
3827                         quit(NULL, NULL);
3828                 }
3829         }
3830
3831         if (spawns_length < spawns_size) {
3832                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
3833                     spawns_length, prog->name);
3834                 i = spawns_length++;
3835                 spawns[i] = *prog;
3836         } else {
3837                 fprintf(stderr, "spawns array problem?\n");
3838                 if (spawns == NULL) {
3839                         fprintf(stderr, "spawns array is NULL!\n");
3840                         quit(NULL, NULL);
3841                 }
3842         }
3843         free(prog);
3844 }
3845
3846 int
3847 setconfspawn(char *selector, char *value, int flags)
3848 {
3849         struct spawn_prog       *prog;
3850         char                    *vp, *cp, *word;
3851
3852         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
3853         if ((prog = calloc(1, sizeof *prog)) == NULL)
3854                 err(1, "setconfspawn: calloc prog");
3855         prog->name = strdup(selector);
3856         if (prog->name == NULL)
3857                 err(1, "setconfspawn prog->name");
3858         if ((cp = vp = strdup(value)) == NULL)
3859                 err(1, "setconfspawn: strdup(value) ");
3860         while ((word = strsep(&cp, " \t")) != NULL) {
3861                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
3862                 if (cp)
3863                         cp += (long)strspn(cp, " \t");
3864                 if (strlen(word) > 0) {
3865                         prog->argc++;
3866                         if ((prog->argv = realloc(prog->argv,
3867                             prog->argc * sizeof(char *))) == NULL)
3868                                 err(1, "setconfspawn: realloc");
3869                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
3870                                 err(1, "setconfspawn: strdup");
3871                 }
3872         }
3873         free(vp);
3874
3875         setspawn(prog);
3876
3877         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
3878         return (0);
3879 }
3880
3881 void
3882 setup_spawn(void)
3883 {
3884         setconfspawn("term",            "xterm",                0);
3885         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
3886         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
3887         setconfspawn("lock",            "xlock",                0);
3888         setconfspawn("initscr",         "initscreen.sh",        0);
3889         setconfspawn("menu",            "dmenu_run"
3890                                         " -fn $bar_font"
3891                                         " -nb $bar_color"
3892                                         " -nf $bar_font_color"
3893                                         " -sb $bar_border"
3894                                         " -sf $bar_color",      0);
3895         setconfspawn("uniconify",       "dmenu"
3896                                         " -i"
3897                                         " -fn $bar_font"
3898                                         " -nb $bar_color"
3899                                         " -nf $bar_font_color"
3900                                         " -sb $bar_border"
3901                                         " -sf $bar_color",      0);
3902 }
3903
3904 /* key bindings */
3905 #define SWM_MODNAME_SIZE        32
3906 #define SWM_KEY_WS              "\n+ \t"
3907 int
3908 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
3909 {
3910         char                    *cp, *name;
3911         KeySym                  uks;
3912         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
3913         if (mod == NULL || ks == NULL) {
3914                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
3915                 return (1);
3916         }
3917         if (keystr == NULL || strlen(keystr) == 0) {
3918                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
3919                 return (1);
3920         }
3921         cp = keystr;
3922         *ks = NoSymbol;
3923         *mod = 0;
3924         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
3925                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
3926                 if (cp)
3927                         cp += (long)strspn(cp, SWM_KEY_WS);
3928                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
3929                         *mod |= currmod;
3930                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
3931                         *mod |= Mod1Mask;
3932                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
3933                         *mod += Mod2Mask;
3934                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
3935                         *mod |= Mod3Mask;
3936                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
3937                         *mod |= Mod4Mask;
3938                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
3939                         *mod |= ShiftMask;
3940                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
3941                         *mod |= ControlMask;
3942                 else {
3943                         *ks = XStringToKeysym(name);
3944                         XConvertCase(*ks, ks, &uks);
3945                         if (ks == NoSymbol) {
3946                                 DNPRINTF(SWM_D_KEY,
3947                                     "parsekeys: invalid key %s\n",
3948                                     name);
3949                                 return (1);
3950                         }
3951                 }
3952         }
3953         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
3954         return (0);
3955 }
3956
3957 char *
3958 strdupsafe(char *str)
3959 {
3960         if (str == NULL)
3961                 return (NULL);
3962         else
3963                 return (strdup(str));
3964 }
3965
3966 void
3967 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
3968     char *spawn_name)
3969 {
3970         int                     i, j;
3971         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
3972             keyfuncs[kfid].name, spawn_name);
3973         /* find existing */
3974         for (i = 0; i < keys_length; i++) {
3975                 if (keys[i].mod == mod && keys[i].keysym == ks) {
3976                         if (kfid == kf_invalid) {
3977                                 /* found: delete */
3978                                 DNPRINTF(SWM_D_KEY,
3979                                     "setkeybinding: delete #%d %s\n",
3980                                     i, keyfuncs[keys[i].funcid].name);
3981                                 free(keys[i].spawn_name);
3982                                 j = keys_length - 1;
3983                                 if (i < j)
3984                                         keys[i] = keys[j];
3985                                 keys_length--;
3986                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
3987                                 return;
3988                         } else {
3989                                 /* found: replace */
3990                                 DNPRINTF(SWM_D_KEY,
3991                                     "setkeybinding: replace #%d %s %s\n",
3992                                     i, keyfuncs[keys[i].funcid].name,
3993                                     spawn_name);
3994                                 free(keys[i].spawn_name);
3995                                 keys[i].mod = mod;
3996                                 keys[i].keysym = ks;
3997                                 keys[i].funcid = kfid;
3998                                 keys[i].spawn_name = strdupsafe(spawn_name);
3999                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4000                                 return;
4001                         }
4002                 }
4003         }
4004         if (kfid == kf_invalid) {
4005                 fprintf(stderr,
4006                     "error: setkeybinding: cannot find mod/key combination");
4007                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4008                 return;
4009         }
4010         /* not found: add */
4011         if (keys_size == 0 || keys == NULL) {
4012                 keys_size = 4;
4013                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
4014                 keys = malloc((size_t)keys_size * sizeof(struct key));
4015                 if (keys == NULL) {
4016                         fprintf(stderr, "malloc failed\n");
4017                         perror(" failed");
4018                         quit(NULL, NULL);
4019                 }
4020         } else if (keys_length == keys_size) {
4021                 keys_size *= 2;
4022                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
4023                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
4024                 if (keys == NULL) {
4025                         fprintf(stderr, "realloc failed\n");
4026                         perror(" failed");
4027                         quit(NULL, NULL);
4028                 }
4029         }
4030         if (keys_length < keys_size) {
4031                 j = keys_length++;
4032                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
4033                     j, keyfuncs[kfid].name, spawn_name);
4034                 keys[j].mod = mod;
4035                 keys[j].keysym = ks;
4036                 keys[j].funcid = kfid;
4037                 keys[j].spawn_name = strdupsafe(spawn_name);
4038         } else {
4039                 fprintf(stderr, "keys array problem?\n");
4040                 if (keys == NULL) {
4041                         fprintf(stderr, "keys array problem\n");
4042                         quit(NULL, NULL);
4043                 }
4044         }
4045         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
4046 }
4047
4048 int
4049 setconfbinding(char *selector, char *value, int flags)
4050 {
4051         enum keyfuncid          kfid;
4052         unsigned int            mod;
4053         KeySym                  ks;
4054         int                     i;
4055         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
4056         if (selector == NULL) {
4057                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
4058                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4059                         kfid = kf_invalid;
4060                         setkeybinding(mod, ks, kfid, NULL);
4061                         return (0);
4062                 } else
4063                         return (1);
4064         }
4065         /* search by key function name */
4066         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
4067                 if (strncasecmp(selector, keyfuncs[kfid].name,
4068                     SWM_FUNCNAME_LEN) == 0) {
4069                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4070                             selector);
4071                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4072                                 setkeybinding(mod, ks, kfid, NULL);
4073                                 return (0);
4074                         } else
4075                                 return (1);
4076                 }
4077         }
4078         /* search by custom spawn name */
4079         for (i = 0; i < spawns_length; i++) {
4080                 if (strcasecmp(selector, spawns[i].name) == 0) {
4081                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
4082                             selector);
4083                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
4084                                 setkeybinding(mod, ks, kf_spawn_custom,
4085                                     spawns[i].name);
4086                                 return (0);
4087                         } else
4088                                 return (1);
4089                 }
4090         }
4091         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
4092         return (1);
4093 }
4094
4095 void
4096 setup_keys(void)
4097 {
4098         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
4099         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
4100         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
4101         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
4102         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
4103         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
4104         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
4105         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
4106         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
4107         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
4108         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
4109         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
4110         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
4111         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
4112         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,        "menu");
4113         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
4114         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
4115         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
4116         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
4117         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
4118         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
4119         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
4120         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
4121         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
4122         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
4123         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
4124         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
4125         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
4126         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
4127         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
4128         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
4129         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
4130         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
4131         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
4132         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
4133         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
4134         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
4135         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
4136         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
4137         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
4138         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
4139         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
4140         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
4141         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
4142         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
4143         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
4144         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
4145         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
4146         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,        "screenshot_all");
4147         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,        "screenshot_wind");
4148         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
4149         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
4150         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,        "lock");
4151         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,        "initscr");
4152         setkeybinding(MODKEY,           XK_w,           kf_iconify,     NULL);
4153         setkeybinding(MODKEY|ShiftMask, XK_w,           kf_uniconify,   NULL);
4154 #ifdef SWM_DEBUG
4155         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
4156 #endif
4157 }
4158
4159 void
4160 updatenumlockmask(void)
4161 {
4162         unsigned int            i, j;
4163         XModifierKeymap         *modmap;
4164
4165         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
4166         numlockmask = 0;
4167         modmap = XGetModifierMapping(display);
4168         for (i = 0; i < 8; i++)
4169                 for (j = 0; j < modmap->max_keypermod; j++)
4170                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
4171                             == XKeysymToKeycode(display, XK_Num_Lock))
4172                                 numlockmask = (1 << i);
4173
4174         XFreeModifiermap(modmap);
4175 }
4176
4177 void
4178 grabkeys(void)
4179 {
4180         unsigned int            i, j, k;
4181         KeyCode                 code;
4182         unsigned int            modifiers[] =
4183             { 0, LockMask, numlockmask, numlockmask | LockMask };
4184
4185         DNPRINTF(SWM_D_MISC, "grabkeys\n");
4186         updatenumlockmask();
4187
4188         for (k = 0; k < ScreenCount(display); k++) {
4189                 if (TAILQ_EMPTY(&screens[k].rl))
4190                         continue;
4191                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
4192                 for (i = 0; i < keys_length; i++) {
4193                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
4194                                 for (j = 0; j < LENGTH(modifiers); j++)
4195                                         XGrabKey(display, code,
4196                                             keys[i].mod | modifiers[j],
4197                                             screens[k].root, True,
4198                                             GrabModeAsync, GrabModeAsync);
4199                 }
4200         }
4201 }
4202
4203 void
4204 grabbuttons(struct ws_win *win, int focused)
4205 {
4206         unsigned int            i, j;
4207         unsigned int            modifiers[] =
4208             { 0, LockMask, numlockmask, numlockmask|LockMask };
4209
4210         updatenumlockmask();
4211         XUngrabButton(display, AnyButton, AnyModifier, win->id);
4212         if (focused) {
4213                 for (i = 0; i < LENGTH(buttons); i++)
4214                         if (buttons[i].action == client_click)
4215                                 for (j = 0; j < LENGTH(modifiers); j++)
4216                                         XGrabButton(display, buttons[i].button,
4217                                             buttons[i].mask | modifiers[j],
4218                                             win->id, False, BUTTONMASK,
4219                                             GrabModeAsync, GrabModeSync, None,
4220                                             None);
4221         } else
4222                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
4223                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
4224 }
4225
4226 const char *quirkname[] = {
4227         "NONE",         /* config string for "no value" */
4228         "FLOAT",
4229         "TRANSSZ",
4230         "ANYWHERE",
4231         "XTERM_FONTADJ",
4232         "FULLSCREEN",
4233         "FOCUSPREV",
4234 };
4235
4236 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
4237 #define SWM_Q_WS                "\n|+ \t"
4238 int
4239 parsequirks(char *qstr, unsigned long *quirk)
4240 {
4241         char                    *cp, *name;
4242         int                     i;
4243
4244         if (quirk == NULL)
4245                 return (1);
4246
4247         cp = qstr;
4248         *quirk = 0;
4249         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
4250                 if (cp)
4251                         cp += (long)strspn(cp, SWM_Q_WS);
4252                 for (i = 0; i < LENGTH(quirkname); i++) {
4253                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
4254                                 DNPRINTF(SWM_D_QUIRK,
4255                                     "parsequirks: %s\n", name);
4256                                 if (i == 0) {
4257                                         *quirk = 0;
4258                                         return (0);
4259                                 }
4260                                 *quirk |= 1 << (i-1);
4261                                 break;
4262                         }
4263                 }
4264                 if (i >= LENGTH(quirkname)) {
4265                         DNPRINTF(SWM_D_QUIRK,
4266                             "parsequirks: invalid quirk [%s]\n", name);
4267                         return (1);
4268                 }
4269         }
4270         return (0);
4271 }
4272
4273 void
4274 setquirk(const char *class, const char *name, const int quirk)
4275 {
4276         int                     i, j;
4277
4278         /* find existing */
4279         for (i = 0; i < quirks_length; i++) {
4280                 if (!strcmp(quirks[i].class, class) &&
4281                     !strcmp(quirks[i].name, name)) {
4282                         if (!quirk) {
4283                                 /* found: delete */
4284                                 DNPRINTF(SWM_D_QUIRK,
4285                                     "setquirk: delete #%d %s:%s\n",
4286                                     i, quirks[i].class, quirks[i].name);
4287                                 free(quirks[i].class);
4288                                 free(quirks[i].name);
4289                                 j = quirks_length - 1;
4290                                 if (i < j)
4291                                         quirks[i] = quirks[j];
4292                                 quirks_length--;
4293                                 return;
4294                         } else {
4295                                 /* found: replace */
4296                                 DNPRINTF(SWM_D_QUIRK,
4297                                     "setquirk: replace #%d %s:%s\n",
4298                                     i, quirks[i].class, quirks[i].name);
4299                                 free(quirks[i].class);
4300                                 free(quirks[i].name);
4301                                 quirks[i].class = strdup(class);
4302                                 quirks[i].name = strdup(name);
4303                                 quirks[i].quirk = quirk;
4304                                 return;
4305                         }
4306                 }
4307         }
4308         if (!quirk) {
4309                 fprintf(stderr,
4310                     "error: setquirk: cannot find class/name combination");
4311                 return;
4312         }
4313         /* not found: add */
4314         if (quirks_size == 0 || quirks == NULL) {
4315                 quirks_size = 4;
4316                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
4317                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
4318                 if (quirks == NULL) {
4319                         fprintf(stderr, "setquirk: malloc failed\n");
4320                         perror(" failed");
4321                         quit(NULL, NULL);
4322                 }
4323         } else if (quirks_length == quirks_size) {
4324                 quirks_size *= 2;
4325                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
4326                 quirks = realloc(quirks,
4327                     (size_t)quirks_size * sizeof(struct quirk));
4328                 if (quirks == NULL) {
4329                         fprintf(stderr, "setquirk: realloc failed\n");
4330                         perror(" failed");
4331                         quit(NULL, NULL);
4332                 }
4333         }
4334         if (quirks_length < quirks_size) {
4335                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
4336                 j = quirks_length++;
4337                 quirks[j].class = strdup(class);
4338                 quirks[j].name = strdup(name);
4339                 quirks[j].quirk = quirk;
4340         } else {
4341                 fprintf(stderr, "quirks array problem?\n");
4342                 if (quirks == NULL) {
4343                         fprintf(stderr, "quirks array problem!\n");
4344                         quit(NULL, NULL);
4345                 }
4346         }
4347 }
4348
4349 int
4350 setconfquirk(char *selector, char *value, int flags)
4351 {
4352         char                    *cp, *class, *name;
4353         int                     retval;
4354         unsigned long           quirks;
4355         if (selector == NULL)
4356                 return (0);
4357         if ((cp = strchr(selector, ':')) == NULL)
4358                 return (0);
4359         *cp = '\0';
4360         class = selector;
4361         name = cp + 1;
4362         if ((retval = parsequirks(value, &quirks)) == 0)
4363                 setquirk(class, name, quirks);
4364         return (retval);
4365 }
4366
4367 void
4368 setup_quirks(void)
4369 {
4370         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
4371         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
4372         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
4373         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
4374         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4375         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
4376         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4377         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4378         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4379         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
4380         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
4381         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
4382         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
4383 }
4384
4385 /* conf file stuff */
4386 #define SWM_CONF_FILE   "scrotwm.conf"
4387
4388 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_BAR_BORDER_WIDTH,
4389           SWM_S_STACK_ENABLED, SWM_S_CLOCK_ENABLED, SWM_S_CLOCK_FORMAT,
4390           SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE, SWM_S_SS_ENABLED,
4391           SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
4392           SWM_S_TITLE_NAME_ENABLED, SWM_S_WINDOW_NAME_ENABLED,
4393           SWM_S_FOCUS_MODE, SWM_S_DISABLE_BORDER, SWM_S_BORDER_WIDTH,
4394           SWM_S_BAR_FONT, SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM,
4395           SWM_S_SS_APP, SWM_S_DIALOG_RATIO, SWM_S_BAR_AT_BOTTOM
4396         };
4397
4398 int
4399 setconfvalue(char *selector, char *value, int flags)
4400 {
4401         switch (flags) {
4402         case SWM_S_BAR_DELAY:
4403                 bar_delay = atoi(value);
4404                 break;
4405         case SWM_S_BAR_ENABLED:
4406                 bar_enabled = atoi(value);
4407                 break;
4408         case SWM_S_BAR_BORDER_WIDTH:
4409                 bar_border_width = atoi(value);
4410                 break;
4411         case SWM_S_BAR_AT_BOTTOM:
4412                 bar_at_bottom = atoi(value);
4413                 break;
4414         case SWM_S_STACK_ENABLED:
4415                 stack_enabled = atoi(value);
4416                 break;
4417         case SWM_S_CLOCK_ENABLED:
4418                 clock_enabled = atoi(value);
4419                 break;
4420         case SWM_S_CLOCK_FORMAT:
4421 #ifndef SWM_DENY_CLOCK_FORMAT
4422                 free(clock_format);
4423                 if ((clock_format = strdup(value)) == NULL)
4424                         err(1, "setconfvalue: clock_format");
4425 #endif
4426                 break;
4427         case SWM_S_CYCLE_EMPTY:
4428                 cycle_empty = atoi(value);
4429                 break;
4430         case SWM_S_CYCLE_VISIBLE:
4431                 cycle_visible = atoi(value);
4432                 break;
4433         case SWM_S_SS_ENABLED:
4434                 ss_enabled = atoi(value);
4435                 break;
4436         case SWM_S_TERM_WIDTH:
4437                 term_width = atoi(value);
4438                 break;
4439         case SWM_S_TITLE_CLASS_ENABLED:
4440                 title_class_enabled = atoi(value);
4441                 break;
4442         case SWM_S_WINDOW_NAME_ENABLED:
4443                 window_name_enabled = atoi(value);
4444                 break;
4445         case SWM_S_TITLE_NAME_ENABLED:
4446                 title_name_enabled = atoi(value);
4447                 break;
4448         case SWM_S_FOCUS_MODE:
4449                 if (!strcmp(value, "default"))
4450                         focus_mode = SWM_FOCUS_DEFAULT;
4451                 else if (!strcmp(value, "follow_cursor"))
4452                         focus_mode = SWM_FOCUS_FOLLOW;
4453                 else if (!strcmp(value, "synergy"))
4454                         focus_mode = SWM_FOCUS_SYNERGY;
4455                 else
4456                         err(1, "focus_mode");
4457                 break;
4458         case SWM_S_DISABLE_BORDER:
4459                 disable_border = atoi(value);
4460                 break;
4461         case SWM_S_BORDER_WIDTH:
4462                 border_width = atoi(value);
4463                 break;
4464         case SWM_S_BAR_FONT:
4465                 free(bar_fonts[0]);
4466                 if ((bar_fonts[0] = strdup(value)) == NULL)
4467                         err(1, "setconfvalue: bar_font");
4468                 break;
4469         case SWM_S_BAR_ACTION:
4470                 free(bar_argv[0]);
4471                 if ((bar_argv[0] = strdup(value)) == NULL)
4472                         err(1, "setconfvalue: bar_action");
4473                 break;
4474         case SWM_S_SPAWN_TERM:
4475                 free(spawn_term[0]);
4476                 if ((spawn_term[0] = strdup(value)) == NULL)
4477                         err(1, "setconfvalue: spawn_term");
4478                 break;
4479         case SWM_S_SS_APP:
4480                 break;
4481         case SWM_S_DIALOG_RATIO:
4482                 dialog_ratio = atof(value);
4483                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
4484                         dialog_ratio = .6;
4485                 break;
4486         default:
4487                 return (1);
4488         }
4489         return (0);
4490 }
4491
4492 int
4493 setconfmodkey(char *selector, char *value, int flags)
4494 {
4495         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
4496                 update_modkey(Mod1Mask);
4497         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
4498                 update_modkey(Mod2Mask);
4499         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
4500                 update_modkey(Mod3Mask);
4501         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
4502                 update_modkey(Mod4Mask);
4503         else
4504                 return (1);
4505         return (0);
4506 }
4507
4508 int
4509 setconfcolor(char *selector, char *value, int flags)
4510 {
4511         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
4512         return (0);
4513 }
4514
4515 int
4516 setconfregion(char *selector, char *value, int flags)
4517 {
4518         custom_region(value);
4519         return (0);
4520 }
4521
4522 int
4523 setautorun(char *selector, char *value, int flags)
4524 {
4525         int                     ws_id;
4526         char                    s[1024];
4527         union arg               a;
4528         char                    *real_args[] = { NULL, NULL };
4529         long                    pid;
4530         struct pid_e            *p;
4531
4532         if (getenv("SWM_STARTED"))
4533                 return (0);
4534
4535         bzero(s, sizeof s);
4536         if (sscanf(value, "ws[%d]:%1023s", &ws_id, s) != 2)
4537                 errx(1, "invalid autorun entry, should be 'ws:command'\n");
4538         ws_id--;
4539         if (ws_id < 0 || ws_id >= SWM_WS_MAX)
4540                 errx(1, "invalid workspace %d\n", ws_id + 1);
4541
4542         /*
4543          * This is a little intricate
4544          *
4545          * If the pid already exists we simply reuse it because it means it was
4546          * used before AND not claimed by manage_window.  We get away with
4547          * altering it in the parent after INSERT because this can not be a race
4548          */
4549         real_args[0] = s;
4550         a.argv = real_args; /* XXX this sucks and should have args for real */
4551         if ((pid = fork()) == 0) {
4552                 spawn(ws_id, &a, 1);
4553                 /* NOTREACHED */
4554                 _exit(1);
4555         }
4556
4557         /* parent */
4558         p = find_pid(pid);
4559         if (p == NULL) {
4560                 p = calloc(1, sizeof *p);
4561                 if (p == NULL)
4562                         return (1);
4563                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
4564         }
4565
4566         p->pid = pid;
4567         p->ws = ws_id;
4568
4569         return (0);
4570 }
4571
4572 /* config options */
4573 struct config_option {
4574         char                    *optname;
4575         int (*func)(char*, char*, int);
4576         int funcflags;
4577 };
4578 struct config_option configopt[] = {
4579         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
4580         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
4581         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
4582         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
4583         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
4584         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
4585         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
4586         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
4587         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
4588         { "bind",                       setconfbinding, 0 },
4589         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
4590         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
4591         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
4592         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
4593         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
4594         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
4595         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
4596         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
4597         { "modkey",                     setconfmodkey,  0 },
4598         { "program",                    setconfspawn,   0 },
4599         { "quirk",                      setconfquirk,   0 },
4600         { "region",                     setconfregion,  0 },
4601         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
4602         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
4603         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
4604         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
4605         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
4606         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
4607         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
4608         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
4609         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
4610         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
4611         { "autorun",                    setautorun,     0 },
4612 };
4613
4614
4615 int
4616 conf_load(char *filename)
4617 {
4618         FILE                    *config;
4619         char                    *line, *cp, *optsub, *optval;
4620         size_t                  linelen, lineno = 0;
4621         int                     wordlen, i, optind;
4622         struct config_option    *opt;
4623
4624         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
4625
4626         if (filename == NULL) {
4627                 fprintf(stderr, "conf_load: no filename\n");
4628                 return (1);
4629         }
4630         if ((config = fopen(filename, "r")) == NULL) {
4631                 warn("conf_load: fopen");
4632                 return (1);
4633         }
4634
4635         while (!feof(config)) {
4636                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
4637                     == NULL) {
4638                         if (ferror(config))
4639                                 err(1, "%s", filename);
4640                         else
4641                                 continue;
4642                 }
4643                 cp = line;
4644                 cp += strspn(cp, " \t\n"); /* eat whitespace */
4645                 if (cp[0] == '\0') {
4646                         /* empty line */
4647                         free(line);
4648                         continue;
4649                 }
4650                 /* get config option */
4651                 wordlen = strcspn(cp, "=[ \t\n");
4652                 if (wordlen == 0) {
4653                         warnx("%s: line %zd: no option found",
4654                             filename, lineno);
4655                         return (1);
4656                 }
4657                 optind = -1;
4658                 for (i = 0; i < LENGTH(configopt); i++) {
4659                         opt = &configopt[i];
4660                         if (!strncasecmp(cp, opt->optname, wordlen) &&
4661                             strlen(opt->optname) == wordlen) {
4662                                 optind = i;
4663                                 break;
4664                         }
4665                 }
4666                 if (optind == -1) {
4667                         warnx("%s: line %zd: unknown option %.*s",
4668                             filename, lineno, wordlen, cp);
4669                         return (1);
4670                 }
4671                 cp += wordlen;
4672                 cp += strspn(cp, " \t\n"); /* eat whitespace */
4673                 /* get [selector] if any */
4674                 optsub = NULL;
4675                 if (*cp == '[') {
4676                         cp++;
4677                         wordlen = strcspn(cp, "]");
4678                         if (*cp != ']') {
4679                                 if (wordlen == 0) {
4680                                         warnx("%s: line %zd: syntax error",
4681                                             filename, lineno);
4682                                         return (1);
4683                                 }
4684                                 asprintf(&optsub, "%.*s", wordlen, cp);
4685                         }
4686                         cp += wordlen;
4687                         cp += strspn(cp, "] \t\n"); /* eat trailing */
4688                 }
4689                 cp += strspn(cp, "= \t\n"); /* eat trailing */
4690                 /* get RHS value */
4691                 optval = strdup(cp);
4692                 /* call function to deal with it all */
4693                 if (configopt[optind].func(optsub, optval,
4694                     configopt[optind].funcflags) != 0) {
4695                         fprintf(stderr, "%s line %zd: %s\n",
4696                             filename, lineno, line);
4697                         errx(1, "%s: line %zd: invalid data for %s",
4698                             filename, lineno, configopt[optind].optname);
4699                 }
4700                 free(optval);
4701                 free(optsub);
4702                 free(line);
4703         }
4704
4705         fclose(config);
4706         DNPRINTF(SWM_D_CONF, "conf_load end\n");
4707
4708         return (0);
4709 }
4710
4711 void
4712 set_child_transient(struct ws_win *win, Window *trans)
4713 {
4714         struct ws_win           *parent, *w;
4715         XWMHints                *wmh = NULL;
4716         struct swm_region       *r;
4717         struct workspace        *ws;
4718
4719         parent = find_window(win->transient);
4720         if (parent)
4721                 parent->child_trans = win;
4722         else {
4723                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
4724                     " for %lu trans %lu\n", win->id, win->transient);
4725
4726                 if (win->hints == NULL) {
4727                         fprintf(stderr, "no hints for %lu\n", win->id);
4728                         return;
4729                 }
4730
4731                 r = root_to_region(win->wa.root);
4732                 ws = r->ws;
4733                 /* parent doen't exist in our window list */
4734                 TAILQ_FOREACH(w, &ws->winlist, entry) {
4735                         if (wmh)
4736                                 XFree(wmh);
4737
4738                         if ((wmh = XGetWMHints(display, w->id)) == NULL) {
4739                                 fprintf(stderr, "can't get hints for %lu\n",
4740                                     w->id);
4741                                 continue;
4742                         }
4743
4744                         if (win->hints->window_group != wmh->window_group)
4745                                 continue;
4746
4747                         w->child_trans = win;
4748                         win->transient = w->id;
4749                         *trans = w->id;
4750                         DNPRINTF(SWM_D_MISC, "set_child_transient: asjusting "
4751                             "transient to %lu\n", win->transient);
4752                         break;
4753                 }
4754         }
4755
4756         if (wmh)
4757                 XFree(wmh);
4758 }
4759
4760 long
4761 window_get_pid(Window win)
4762 {
4763         Atom                    actual_type_return;
4764         int                     actual_format_return = 0;
4765         unsigned long           nitems_return = 0;
4766         unsigned long           bytes_after_return = 0;
4767         long                    *pid = NULL;
4768         long                    ret = 0;
4769
4770         if (XGetWindowProperty(display, win,
4771             XInternAtom(display, "_NET_WM_PID", False), 0, 1, False,
4772             XA_CARDINAL, &actual_type_return, &actual_format_return,
4773             &nitems_return, &bytes_after_return,
4774             (unsigned char**)(void*)&pid) != Success)
4775                 return (0);
4776         if (actual_type_return != XA_CARDINAL)
4777                 return (0);
4778         if (pid == NULL)
4779                 return (0);
4780
4781         ret = *pid;
4782         XFree(pid);
4783
4784         return (ret);
4785 }
4786
4787 struct ws_win *
4788 manage_window(Window id)
4789 {
4790         Window                  trans = 0;
4791         struct workspace        *ws;
4792         struct ws_win           *win, *ww;
4793         int                     format, i, ws_idx, n, border_me = 0;
4794         unsigned long           nitems, bytes;
4795         Atom                    ws_idx_atom = 0, type;
4796         Atom                    *prot = NULL, *pp;
4797         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
4798         struct swm_region       *r;
4799         long                    mask;
4800         const char              *errstr;
4801         XWindowChanges          wc;
4802         struct pid_e            *p;
4803
4804         if ((win = find_window(id)) != NULL)
4805                 return (win);   /* already being managed */
4806
4807         /* see if we are on the unmanaged list */
4808         if ((win = find_unmanaged_window(id)) != NULL) {
4809                 DNPRINTF(SWM_D_MISC, "manage previously unmanaged window "
4810                     "%lu\n", win->id);
4811                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
4812                 if (win->transient) {
4813                         set_child_transient(win, &trans);
4814                 } if (trans && (ww = find_window(trans)))
4815                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
4816                 else
4817                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
4818                 ewmh_update_actions(win);
4819                 return (win);
4820         }
4821
4822         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
4823                 errx(1, "calloc: failed to allocate memory for new window");
4824
4825         win->id = id;
4826
4827         /* see if we need to override the workspace */
4828         p = find_pid(window_get_pid(id));
4829
4830         /* Get all the window data in one shot */
4831         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
4832         if (ws_idx_atom) {
4833                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
4834                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
4835         }
4836         XGetWindowAttributes(display, id, &win->wa);
4837         XGetWMNormalHints(display, id, &win->sh, &mask);
4838         win->hints = XGetWMHints(display, id);
4839         XGetTransientForHint(display, id, &trans);
4840         if (trans) {
4841                 win->transient = trans;
4842                 set_child_transient(win, &trans);
4843                 DNPRINTF(SWM_D_MISC, "manage_window: win %lu transient %lu\n",
4844                     win->id, win->transient);
4845         }
4846
4847         /* get supported protocols */
4848         if (XGetWMProtocols(display, id, &prot, &n)) {
4849                 for (i = 0, pp = prot; i < n; i++, pp++) {
4850                         if (*pp == takefocus)
4851                                 win->take_focus = 1;
4852                         if (*pp == adelete)
4853                                 win->can_delete = 1;
4854                 }
4855                 if (prot)
4856                         XFree(prot);
4857         }
4858
4859         win->iconic = get_iconic(win);
4860
4861         /*
4862          * Figure out where to put the window. If it was previously assigned to
4863          * a workspace (either by spawn() or manually moving), and isn't
4864          * transient, * put it in the same workspace
4865          */
4866         r = root_to_region(win->wa.root);
4867         if (p) {
4868                 ws = &r->s->ws[p->ws];
4869                 TAILQ_REMOVE(&pidlist, p, entry);
4870                 free(p);
4871                 p = NULL;
4872         } else if (prop && win->transient == 0) {
4873                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
4874                 ws_idx = strtonum(prop, 0, 9, &errstr);
4875                 if (errstr) {
4876                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
4877                             errstr, prop);
4878                 }
4879                 ws = &r->s->ws[ws_idx];
4880         } else {
4881                 ws = r->ws;
4882                 /* this should launch transients in the same ws as parent */
4883                 if (id && trans)
4884                         if ((ww = find_window(trans)) != NULL)
4885                                 if (ws->r) {
4886                                         ws = ww->ws;
4887                                         if (ww->ws->r)
4888                                                 r = ww->ws->r;
4889                                         else
4890                                                 fprintf(stderr,
4891                                                     "fix this bug mcbride\n");
4892                                         border_me = 1;
4893                                 }
4894         }
4895
4896         /* set up the window layout */
4897         win->id = id;
4898         win->ws = ws;
4899         win->s = r->s;  /* this never changes */
4900         if (trans && (ww = find_window(trans)))
4901                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
4902         else
4903                 TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
4904
4905         win->g.w = win->wa.width;
4906         win->g.h = win->wa.height;
4907         win->g.x = win->wa.x;
4908         win->g.y = win->wa.y;
4909         win->g_floatvalid = 0;
4910         win->floatmaxed = 0;
4911         win->ewmh_flags = 0;
4912
4913         /* Set window properties so we can remember this after reincarnation */
4914         if (ws_idx_atom && prop == NULL &&
4915             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) < SWM_PROPLEN) {
4916                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
4917                     ws_idx_str);
4918                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
4919                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
4920         }
4921         if (prop)
4922                 XFree(prop);
4923
4924         ewmh_autoquirk(win);
4925
4926         if (XGetClassHint(display, win->id, &win->ch)) {
4927                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
4928                     win->ch.res_class, win->ch.res_name);
4929
4930                 /* java is retarded so treat it special */
4931                 if (strstr(win->ch.res_name, "sun-awt")) {
4932                         win->java = 1;
4933                         border_me = 1;
4934                 }
4935
4936                 for (i = 0; i < quirks_length; i++){
4937                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
4938                             !strcmp(win->ch.res_name, quirks[i].name)) {
4939                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
4940                                     win->ch.res_class, win->ch.res_name);
4941                                 if (quirks[i].quirk & SWM_Q_FLOAT) {
4942                                         win->floating = 1;
4943                                         border_me = 1;
4944                                 }
4945                                 win->quirks = quirks[i].quirk;
4946                         }
4947                 }
4948         }
4949
4950         /* alter window position if quirky */
4951         if (win->quirks & SWM_Q_ANYWHERE) {
4952                 win->manual = 1; /* don't center the quirky windows */
4953                 bzero(&wc, sizeof wc);
4954                 mask = 0;
4955                 if (bar_enabled && win->g.y < bar_height) {
4956                         win->g.y = wc.y = bar_height;
4957                         mask |= CWY;
4958                 }
4959                 if (win->g.w + win->g.x > WIDTH(r)) {
4960                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
4961                         mask |= CWX;
4962                 }
4963                 border_me = 1;
4964         }
4965
4966         /* Reset font sizes (the bruteforce way; no default keybinding). */
4967         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
4968                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
4969                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
4970                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
4971                         fake_keypress(win, XK_KP_Add, ShiftMask);
4972         }
4973
4974         ewmh_get_win_state(win);
4975         ewmh_update_actions(win);
4976         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
4977
4978         /* border me */
4979         if (border_me) {
4980                 bzero(&wc, sizeof wc);
4981                 wc.border_width = border_width;
4982                 mask = CWBorderWidth;
4983                 XConfigureWindow(display, win->id, mask, &wc);
4984         }
4985
4986         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
4987             PropertyChangeMask | StructureNotifyMask);
4988
4989         /* floaters need to be mapped if they are in the current workspace */
4990         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
4991                 XMapRaised(display, win->id);
4992
4993         return (win);
4994 }
4995
4996 void
4997 free_window(struct ws_win *win)
4998 {
4999         DNPRINTF(SWM_D_MISC, "free_window:  %lu\n", win->id);
5000
5001         if (win == NULL)
5002                 return;
5003
5004         /* needed for restart wm */
5005         set_win_state(win, WithdrawnState);
5006
5007         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
5008
5009         if (win->ch.res_class)
5010                 XFree(win->ch.res_class);
5011         if (win->ch.res_name)
5012                 XFree(win->ch.res_name);
5013
5014         kill_refs(win);
5015
5016         /* paint memory */
5017         memset(win, 0xff, sizeof *win); /* XXX kill later */
5018
5019         free(win);
5020 }
5021
5022 void
5023 unmanage_window(struct ws_win *win)
5024 {
5025         struct ws_win           *parent;
5026
5027         if (win == NULL)
5028                 return;
5029
5030         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
5031
5032         if (win->transient) {
5033                 parent = find_window(win->transient);
5034                 if (parent)
5035                         parent->child_trans = NULL;
5036         }
5037
5038         /* focus on root just in case */
5039         XSetInputFocus(display, PointerRoot, PointerRoot, CurrentTime);
5040
5041         focus_prev(win);
5042
5043         TAILQ_REMOVE(&win->ws->winlist, win, entry);
5044         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
5045
5046         kill_refs(win);
5047 }
5048
5049 void
5050 focus_magic(struct ws_win *win)
5051 {
5052         DNPRINTF(SWM_D_FOCUS, "focus_magic: %lu\n", WINID(win));
5053
5054         if (win == NULL)
5055                 return;
5056
5057         if (win->child_trans) {
5058                 /* win = parent & has a transient so focus on that */
5059                 if (win->java) {
5060                         focus_win(win->child_trans);
5061                         if (win->child_trans->take_focus)
5062                                 client_msg(win, takefocus);
5063                 } else {
5064                         /* make sure transient hasn't dissapeared */
5065                         if (validate_win(win->child_trans) == 0) {
5066                                 focus_win(win->child_trans);
5067                                 if (win->child_trans->take_focus)
5068                                         client_msg(win->child_trans, takefocus);
5069                         } else {
5070                                 win->child_trans = NULL;
5071                                 focus_win(win);
5072                                 if (win->take_focus)
5073                                         client_msg(win, takefocus);
5074                         }
5075                 }
5076         } else {
5077                 /* regular focus */
5078                 focus_win(win);
5079                 if (win->take_focus)
5080                         client_msg(win, takefocus);
5081         }
5082 }
5083
5084 void
5085 expose(XEvent *e)
5086 {
5087         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
5088 }
5089
5090 void
5091 keypress(XEvent *e)
5092 {
5093         unsigned int            i;
5094         KeySym                  keysym;
5095         XKeyEvent               *ev = &e->xkey;
5096
5097         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
5098
5099         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
5100         for (i = 0; i < keys_length; i++)
5101                 if (keysym == keys[i].keysym
5102                     && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
5103                     && keyfuncs[keys[i].funcid].func) {
5104                         if (keys[i].funcid == kf_spawn_custom)
5105                                 spawn_custom(
5106                                     root_to_region(ev->root),
5107                                     &(keyfuncs[keys[i].funcid].args),
5108                                     keys[i].spawn_name
5109                                     );
5110                         else
5111                                 keyfuncs[keys[i].funcid].func(
5112                                     root_to_region(ev->root),
5113                                     &(keyfuncs[keys[i].funcid].args)
5114                                     );
5115                 }
5116 }
5117
5118 void
5119 buttonpress(XEvent *e)
5120 {
5121         struct ws_win           *win;
5122         int                     i, action;
5123         XButtonPressedEvent     *ev = &e->xbutton;
5124
5125         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
5126
5127         action = root_click;
5128         if ((win = find_window(ev->window)) == NULL)
5129                 return;
5130
5131         focus_magic(win);
5132         action = client_click;
5133
5134         for (i = 0; i < LENGTH(buttons); i++)
5135                 if (action == buttons[i].action && buttons[i].func &&
5136                     buttons[i].button == ev->button &&
5137                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
5138                         buttons[i].func(win, &buttons[i].args);
5139 }
5140
5141 void
5142 configurerequest(XEvent *e)
5143 {
5144         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
5145         struct ws_win           *win;
5146         int                     new = 0;
5147         XWindowChanges          wc;
5148
5149         if ((win = find_window(ev->window)) == NULL)
5150                 if ((win = find_unmanaged_window(ev->window)) == NULL)
5151                         new = 1;
5152
5153         if (new) {
5154                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
5155                     ev->window);
5156                 bzero(&wc, sizeof wc);
5157                 wc.x = ev->x;
5158                 wc.y = ev->y;
5159                 wc.width = ev->width;
5160                 wc.height = ev->height;
5161                 wc.border_width = ev->border_width;
5162                 wc.sibling = ev->above;
5163                 wc.stack_mode = ev->detail;
5164                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
5165         } else {
5166                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
5167                     ev->window);
5168                 config_win(win, ev);
5169         }
5170 }
5171
5172 void
5173 configurenotify(XEvent *e)
5174 {
5175         struct ws_win           *win;
5176         long                    mask;
5177
5178         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
5179             e->xconfigure.window);
5180
5181         win = find_window(e->xconfigure.window);
5182         if (win) {
5183                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
5184                 adjust_font(win);
5185                 if (font_adjusted)
5186                         stack();
5187                 if (focus_mode == SWM_FOCUS_DEFAULT)
5188                         drain_enter_notify();
5189         }
5190 }
5191
5192 void
5193 destroynotify(XEvent *e)
5194 {
5195         struct ws_win           *win;
5196         XDestroyWindowEvent     *ev = &e->xdestroywindow;
5197
5198         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
5199
5200         if ((win = find_window(ev->window)) == NULL) {
5201                 if ((win = find_unmanaged_window(ev->window)) == NULL)
5202                         return;
5203                 free_window(win);
5204                 return;
5205         }
5206
5207         /* make sure we focus on something */
5208         win->floating = 0;
5209
5210         unmanage_window(win);
5211         stack();
5212         if (focus_mode == SWM_FOCUS_DEFAULT)
5213                 drain_enter_notify();
5214         free_window(win);
5215 }
5216
5217 void
5218 enternotify(XEvent *e)
5219 {
5220         XCrossingEvent          *ev = &e->xcrossing;
5221         XEvent                  cne;
5222         struct ws_win           *win;
5223 #if 0
5224         struct ws_win           *w;
5225         Window                  focus_return;
5226         int                     revert_to_return;
5227 #endif
5228         DNPRINTF(SWM_D_FOCUS, "enternotify: window: %lu mode %d detail %d root "
5229             "%lu subwindow %lu same_screen %d focus %d state %d\n",
5230             ev->window, ev->mode, ev->detail, ev->root, ev->subwindow,
5231             ev->same_screen, ev->focus, ev->state);
5232
5233         switch (focus_mode) {
5234         case SWM_FOCUS_DEFAULT:
5235                 break;
5236         case SWM_FOCUS_FOLLOW:
5237                 break;
5238         case SWM_FOCUS_SYNERGY:
5239 #if 0
5240         /*
5241          * all these checks need to be in this order because the
5242          * XCheckTypedWindowEvent relies on weeding out the previous events
5243          *
5244          * making this code an option would enable a follow mouse for focus
5245          * feature
5246          */
5247
5248         /*
5249          * state is set when we are switching workspaces and focus is set when
5250          * the window or a subwindow already has focus (occurs during restart).
5251          *
5252          * Only honor the focus flag if last_focus_event is not FocusOut,
5253          * this allows scrotwm to continue to control focus when another
5254          * program is also playing with it.
5255          */
5256         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
5257                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
5258                 return;
5259         }
5260
5261         /*
5262          * happens when a window is created or destroyed and the border
5263          * crosses the mouse pointer and when switching ws
5264          *
5265          * we need the subwindow test to see if we came from root in order
5266          * to give focus to floaters
5267          */
5268         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
5269             ev->subwindow == 0) {
5270                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
5271                 return;
5272         }
5273
5274         /* this window already has focus */
5275         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
5276                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
5277                 return;
5278         }
5279
5280         /* this window is being deleted or moved to another ws */
5281         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
5282             &cne) == True) {
5283                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
5284                 XPutBackEvent(display, &cne);
5285                 return;
5286         }
5287
5288         if ((win = find_window(ev->window)) == NULL) {
5289                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
5290                 return;
5291         }
5292
5293         /*
5294          * In fullstack kill all enters unless they come from a different ws
5295          * (i.e. another region) or focus has been grabbed externally.
5296          */
5297         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
5298             last_focus_event != FocusOut) {
5299                 XGetInputFocus(display, &focus_return, &revert_to_return);
5300                 if ((w = find_window(focus_return)) == NULL ||
5301                     w->ws == win->ws) {
5302                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
5303                         return;
5304                 }
5305         }
5306 #endif
5307                 break;
5308         }
5309
5310         if ((win = find_window(ev->window)) == NULL) {
5311                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
5312                 return;
5313         }
5314
5315         /*
5316          * if we have more enternotifies let them handle it in due time
5317          */
5318         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
5319                 DNPRINTF(SWM_D_EVENT,
5320                     "ignoring enternotify: got more enternotify\n");
5321                 XPutBackEvent(display, &cne);
5322                 return;
5323         }
5324
5325         focus_magic(win);
5326 }
5327
5328 /* lets us use one switch statement for arbitrary mode/detail combinations */
5329 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
5330
5331 void
5332 focusevent(XEvent *e)
5333 {
5334 #if 0
5335         struct ws_win           *win;
5336         u_int32_t               mode_detail;
5337         XFocusChangeEvent       *ev = &e->xfocus;
5338
5339         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: %lu mode %d detail %d\n",
5340             ev->type == FocusIn ? "entering" : "leaving",
5341             ev->window, ev->mode, ev->detail);
5342
5343         if (last_focus_event == ev->type) {
5344                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
5345                 return;
5346         }
5347
5348         last_focus_event = ev->type;
5349         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
5350
5351         switch (mode_detail) {
5352         /* synergy client focus operations */
5353         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
5354         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
5355
5356         /* synergy server focus operations */
5357         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
5358
5359         /* Entering applications like rdesktop that mangle the pointer */
5360         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
5361
5362                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
5363                         XSetWindowBorder(display, win->id,
5364                             win->ws->r->s->c[ev->type == FocusIn ?
5365                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
5366                 break;
5367         default:
5368                 fprintf(stderr, "ignoring focusevent\n");
5369                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
5370                 break;
5371         }
5372 #endif
5373 }
5374
5375 void
5376 mapnotify(XEvent *e)
5377 {
5378         struct ws_win           *win;
5379         XMapEvent               *ev = &e->xmap;
5380
5381         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
5382
5383         win = manage_window(ev->window);
5384         if (win)
5385                 set_win_state(win, NormalState);
5386 }
5387
5388 void
5389 mappingnotify(XEvent *e)
5390 {
5391         XMappingEvent           *ev = &e->xmapping;
5392
5393         XRefreshKeyboardMapping(ev);
5394         if (ev->request == MappingKeyboard)
5395                 grabkeys();
5396 }
5397
5398 void
5399 maprequest(XEvent *e)
5400 {
5401         struct ws_win           *win;
5402         struct swm_region       *r;
5403         XWindowAttributes       wa;
5404         XMapRequestEvent        *ev = &e->xmaprequest;
5405
5406         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
5407             e->xmaprequest.window);
5408
5409         if (!XGetWindowAttributes(display, ev->window, &wa))
5410                 return;
5411         if (wa.override_redirect)
5412                 return;
5413
5414         win = manage_window(e->xmaprequest.window);
5415         if (win == NULL)
5416                 return; /* can't happen */
5417
5418         stack();
5419
5420         /* make new win focused */
5421         r = root_to_region(win->wa.root);
5422         if (win->ws == r->ws)
5423                 focus_magic(win);
5424 }
5425
5426 void
5427 propertynotify(XEvent *e)
5428 {
5429         struct ws_win           *win;
5430         XPropertyEvent          *ev = &e->xproperty;
5431
5432         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
5433             ev->window);
5434
5435         win = find_window(ev->window);
5436         if (win == NULL)
5437                 return;
5438
5439         if (ev->state == PropertyDelete && ev->atom == a_swm_iconic) {
5440                 update_iconic(win, 0);
5441                 XMapRaised(display, win->id);
5442                 stack();
5443                 focus_win(win);
5444                 return;
5445         }
5446
5447         switch (ev->atom) {
5448         case XA_WM_NORMAL_HINTS:
5449 #if 0
5450                 long            mask;
5451                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
5452                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
5453                 if (win->sh.flags & PMinSize) {
5454                         win->g.w = win->sh.min_width;
5455                         win->g.h = win->sh.min_height;
5456                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
5457                 }
5458                 XMoveResizeWindow(display, win->id,
5459                     win->g.x, win->g.y, win->g.w, win->g.h);
5460 #endif
5461                 if (window_name_enabled)
5462                         bar_update();
5463                 break;
5464         default:
5465                 break;
5466         }
5467 }
5468
5469 void
5470 unmapnotify(XEvent *e)
5471 {
5472         struct ws_win           *win;
5473
5474         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
5475
5476         /* determine if we need to help unmanage this window */
5477         win = find_window(e->xunmap.window);
5478         if (win == NULL)
5479                 return;
5480
5481         if (getstate(e->xunmap.window) == NormalState) {
5482                 unmanage_window(win);
5483                 stack();
5484
5485                 /* giant hack for apps that don't destroy transient windows */
5486                 /* eat a bunch of events to prevent remanaging the window */
5487                 XEvent                  cne;
5488                 while (XCheckWindowEvent(display, e->xunmap.window,
5489                     EnterWindowMask, &cne))
5490                         ;
5491                 while (XCheckWindowEvent(display, e->xunmap.window,
5492                     StructureNotifyMask, &cne))
5493                         ;
5494                 while (XCheckWindowEvent(display, e->xunmap.window,
5495                     SubstructureNotifyMask, &cne))
5496                         ;
5497                 /* resend unmap because we ated it */
5498                 XUnmapWindow(display, e->xunmap.window);
5499         }
5500
5501         if (focus_mode == SWM_FOCUS_DEFAULT)
5502                 drain_enter_notify();
5503 }
5504
5505 void
5506 visibilitynotify(XEvent *e)
5507 {
5508         int                     i;
5509         struct swm_region       *r;
5510
5511         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
5512             e->xvisibility.window);
5513         if (e->xvisibility.state == VisibilityUnobscured)
5514                 for (i = 0; i < ScreenCount(display); i++)
5515                         TAILQ_FOREACH(r, &screens[i].rl, entry)
5516                                 if (e->xvisibility.window == r->bar_window)
5517                                         bar_update();
5518 }
5519
5520 void
5521 clientmessage(XEvent *e)
5522 {
5523         XClientMessageEvent *ev;
5524         struct ws_win *win;
5525
5526         ev = &e->xclient;
5527
5528         win = find_window(ev->window);
5529         if (win == NULL)
5530                 return;
5531
5532         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%lx type: %ld \n",
5533             ev->window, ev->message_type);
5534
5535         if (ev->message_type == ewmh[_NET_ACTIVE_WINDOW].atom) {
5536                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW \n");
5537                 focus_win(win);
5538         }
5539         if (ev->message_type == ewmh[_NET_CLOSE_WINDOW].atom) {
5540                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW \n");
5541                 if (win->can_delete)
5542                         client_msg(win, adelete);
5543                 else
5544                         XKillClient(display, win->id);
5545         }
5546         if (ev->message_type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
5547                 DNPRINTF(SWM_D_EVENT,
5548                     "clientmessage: _NET_MOVERESIZE_WINDOW \n");
5549                 if (win->floating) {
5550                         if (ev->data.l[0] & (1<<8)) /* x */
5551                                 win->g.x = ev->data.l[1];
5552                         if (ev->data.l[0] & (1<<9)) /* y */
5553                                 win->g.y = ev->data.l[2];
5554                         if (ev->data.l[0] & (1<<10)) /* width */
5555                                 win->g.w = ev->data.l[3];
5556                         if (ev->data.l[0] & (1<<11)) /* height */
5557                                 win->g.h = ev->data.l[4];
5558                 }
5559                 else {
5560                         /* TODO: Change stack sizes */
5561                 }
5562                 config_win(win, NULL);
5563         }
5564         if (ev->message_type == ewmh[_NET_WM_STATE].atom) {
5565                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE \n");
5566                 ewmh_update_win_state(win, ev->data.l[1], ev->data.l[0]);
5567                 if (ev->data.l[2])
5568                         ewmh_update_win_state(win, ev->data.l[2],
5569                             ev->data.l[0]);
5570
5571                 stack();
5572         }
5573 }
5574
5575 int
5576 xerror_start(Display *d, XErrorEvent *ee)
5577 {
5578         other_wm = 1;
5579         return (-1);
5580 }
5581
5582 int
5583 xerror(Display *d, XErrorEvent *ee)
5584 {
5585         /* fprintf(stderr, "error: %p %p\n", display, ee); */
5586         return (-1);
5587 }
5588
5589 int
5590 active_wm(void)
5591 {
5592         other_wm = 0;
5593         xerrorxlib = XSetErrorHandler(xerror_start);
5594
5595         /* this causes an error if some other window manager is running */
5596         XSelectInput(display, DefaultRootWindow(display),
5597             SubstructureRedirectMask);
5598         XSync(display, False);
5599         if (other_wm)
5600                 return (1);
5601
5602         XSetErrorHandler(xerror);
5603         XSync(display, False);
5604         return (0);
5605 }
5606
5607 void
5608 new_region(struct swm_screen *s, int x, int y, int w, int h)
5609 {
5610         struct swm_region       *r, *n;
5611         struct workspace        *ws = NULL;
5612         int                     i;
5613
5614         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
5615              s->idx, w, h, x, y);
5616
5617         /* remove any conflicting regions */
5618         n = TAILQ_FIRST(&s->rl);
5619         while (n) {
5620                 r = n;
5621                 n = TAILQ_NEXT(r, entry);
5622                 if (X(r) < (x + w) &&
5623                     (X(r) + WIDTH(r)) > x &&
5624                     Y(r) < (y + h) &&
5625                     (Y(r) + HEIGHT(r)) > y) {
5626                         if (r->ws->r != NULL)
5627                                 r->ws->old_r = r->ws->r;
5628                         r->ws->r = NULL;
5629                         XDestroyWindow(display, r->bar_window);
5630                         TAILQ_REMOVE(&s->rl, r, entry);
5631                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
5632                 }
5633         }
5634
5635         /* search old regions for one to reuse */
5636
5637         /* size + location match */
5638         TAILQ_FOREACH(r, &s->orl, entry)
5639                 if (X(r) == x && Y(r) == y &&
5640                     HEIGHT(r) == h && WIDTH(r) == w)
5641                         break;
5642
5643         /* size match */
5644         TAILQ_FOREACH(r, &s->orl, entry)
5645                 if (HEIGHT(r) == h && WIDTH(r) == w)
5646                         break;
5647
5648         if (r != NULL) {
5649                 TAILQ_REMOVE(&s->orl, r, entry);
5650                 /* try to use old region's workspace */
5651                 if (r->ws->r == NULL)
5652                         ws = r->ws;
5653         } else
5654                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
5655                         errx(1, "calloc: failed to allocate memory for screen");
5656
5657         /* if we don't have a workspace already, find one */
5658         if (ws == NULL) {
5659                 for (i = 0; i < SWM_WS_MAX; i++)
5660                         if (s->ws[i].r == NULL) {
5661                                 ws = &s->ws[i];
5662                                 break;
5663                         }
5664         }
5665
5666         if (ws == NULL)
5667                 errx(1, "no free workspaces\n");
5668
5669         X(r) = x;
5670         Y(r) = y;
5671         WIDTH(r) = w;
5672         HEIGHT(r) = h;
5673         r->s = s;
5674         r->ws = ws;
5675         r->ws_prior = NULL;
5676         ws->r = r;
5677         outputs++;
5678         TAILQ_INSERT_TAIL(&s->rl, r, entry);
5679 }
5680
5681 void
5682 scan_xrandr(int i)
5683 {
5684 #ifdef SWM_XRR_HAS_CRTC
5685         XRRCrtcInfo             *ci;
5686         XRRScreenResources      *sr;
5687         int                     c;
5688         int                     ncrtc = 0;
5689 #endif /* SWM_XRR_HAS_CRTC */
5690         struct swm_region       *r;
5691
5692
5693         if (i >= ScreenCount(display))
5694                 errx(1, "invalid screen");
5695
5696         /* remove any old regions */
5697         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
5698                 r->ws->old_r = r->ws->r = NULL;
5699                 XDestroyWindow(display, r->bar_window);
5700                 TAILQ_REMOVE(&screens[i].rl, r, entry);
5701                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
5702         }
5703         outputs = 0;
5704
5705         /* map virtual screens onto physical screens */
5706 #ifdef SWM_XRR_HAS_CRTC
5707         if (xrandr_support) {
5708                 sr = XRRGetScreenResources(display, screens[i].root);
5709                 if (sr == NULL)
5710                         new_region(&screens[i], 0, 0,
5711                             DisplayWidth(display, i),
5712                             DisplayHeight(display, i));
5713                 else
5714                         ncrtc = sr->ncrtc;
5715
5716                 for (c = 0, ci = NULL; c < ncrtc; c++) {
5717                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
5718                         if (ci->noutput == 0)
5719                                 continue;
5720
5721                         if (ci != NULL && ci->mode == None)
5722                                 new_region(&screens[i], 0, 0,
5723                                     DisplayWidth(display, i),
5724                                     DisplayHeight(display, i));
5725                         else
5726                                 new_region(&screens[i],
5727                                     ci->x, ci->y, ci->width, ci->height);
5728                 }
5729                 if (ci)
5730                         XRRFreeCrtcInfo(ci);
5731                 XRRFreeScreenResources(sr);
5732         } else
5733 #endif /* SWM_XRR_HAS_CRTC */
5734         {
5735                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
5736                     DisplayHeight(display, i));
5737         }
5738 }
5739
5740 void
5741 screenchange(XEvent *e) {
5742         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
5743         struct swm_region               *r;
5744         int                             i;
5745
5746         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
5747
5748         if (!XRRUpdateConfiguration(e))
5749                 return;
5750
5751         /* silly event doesn't include the screen index */
5752         for (i = 0; i < ScreenCount(display); i++)
5753                 if (screens[i].root == xe->root)
5754                         break;
5755         if (i >= ScreenCount(display))
5756                 errx(1, "screenchange: screen not found\n");
5757
5758         /* brute force for now, just re-enumerate the regions */
5759         scan_xrandr(i);
5760
5761         /* add bars to all regions */
5762         for (i = 0; i < ScreenCount(display); i++)
5763                 TAILQ_FOREACH(r, &screens[i].rl, entry)
5764                         bar_setup(r);
5765         stack();
5766         if (focus_mode == SWM_FOCUS_DEFAULT)
5767                 drain_enter_notify();
5768 }
5769
5770 void
5771 grab_windows(void)
5772 {
5773         Window                  d1, d2, *wins = NULL;
5774         XWindowAttributes       wa;
5775         unsigned int            no;
5776         int                     i, j;
5777         long                    state, manage;
5778
5779         for (i = 0; i < ScreenCount(display); i++) {
5780                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
5781                         continue;
5782
5783                 /* attach windows to a region */
5784                 /* normal windows */
5785                 for (j = 0; j < no; j++) {
5786                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
5787                             wa.override_redirect ||
5788                             XGetTransientForHint(display, wins[j], &d1))
5789                                 continue;
5790
5791                         state = getstate(wins[j]);
5792                         manage = state == IconicState;
5793                         if (wa.map_state == IsViewable || manage)
5794                                 manage_window(wins[j]);
5795                 }
5796                 /* transient windows */
5797                 for (j = 0; j < no; j++) {
5798                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
5799                             wa.override_redirect)
5800                                 continue;
5801
5802                         state = getstate(wins[j]);
5803                         manage = state == IconicState;
5804                         if (XGetTransientForHint(display, wins[j], &d1) &&
5805                             manage)
5806                                 manage_window(wins[j]);
5807                 }
5808                 if (wins) {
5809                         XFree(wins);
5810                         wins = NULL;
5811                 }
5812         }
5813 }
5814
5815 void
5816 setup_screens(void)
5817 {
5818         int                     i, j, k;
5819         int                     errorbase, major, minor;
5820         struct workspace        *ws;
5821
5822         if ((screens = calloc(ScreenCount(display),
5823              sizeof(struct swm_screen))) == NULL)
5824                 errx(1, "calloc: screens");
5825
5826         /* initial Xrandr setup */
5827         xrandr_support = XRRQueryExtension(display,
5828             &xrandr_eventbase, &errorbase);
5829         if (xrandr_support)
5830                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
5831                         xrandr_support = 0;
5832
5833         /* map physical screens */
5834         for (i = 0; i < ScreenCount(display); i++) {
5835                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
5836                 screens[i].idx = i;
5837                 TAILQ_INIT(&screens[i].rl);
5838                 TAILQ_INIT(&screens[i].orl);
5839                 screens[i].root = RootWindow(display, i);
5840
5841                 /* set default colors */
5842                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
5843                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
5844                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
5845                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
5846                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
5847
5848                 /* set default cursor */
5849                 XDefineCursor(display, screens[i].root,
5850                     XCreateFontCursor(display, XC_left_ptr));
5851
5852                 /* init all workspaces */
5853                 /* XXX these should be dynamically allocated too */
5854                 for (j = 0; j < SWM_WS_MAX; j++) {
5855                         ws = &screens[i].ws[j];
5856                         ws->idx = j;
5857                         ws->focus = NULL;
5858                         ws->r = NULL;
5859                         ws->old_r = NULL;
5860                         TAILQ_INIT(&ws->winlist);
5861                         TAILQ_INIT(&ws->unmanagedlist);
5862
5863                         for (k = 0; layouts[k].l_stack != NULL; k++)
5864                                 if (layouts[k].l_config != NULL)
5865                                         layouts[k].l_config(ws,
5866                                             SWM_ARG_ID_STACKINIT);
5867                         ws->cur_layout = &layouts[0];
5868                 }
5869
5870                 scan_xrandr(i);
5871
5872                 if (xrandr_support)
5873                         XRRSelectInput(display, screens[i].root,
5874                             RRScreenChangeNotifyMask);
5875         }
5876 }
5877
5878 void
5879 setup_globals(void)
5880 {
5881         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
5882             == NULL)
5883                 err(1, "setup_globals: strdup");
5884         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
5885             == NULL)
5886                 err(1, "setup_globals: strdup");
5887         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
5888             == NULL)
5889                 err(1, "setup_globals: strdup");
5890         if ((spawn_term[0] = strdup("xterm")) == NULL)
5891                 err(1, "setup_globals: strdup");
5892         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
5893                 errx(1, "strdup");
5894 }
5895
5896 void
5897 workaround(void)
5898 {
5899         int                     i;
5900         Atom                    netwmcheck, netwmname, utf8_string;
5901         Window                  root, win;
5902
5903         /* work around sun jdk bugs, code from wmname */
5904         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
5905         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
5906         utf8_string = XInternAtom(display, "UTF8_STRING", False);
5907         for (i = 0; i < ScreenCount(display); i++) {
5908                 root = screens[i].root;
5909                 win = XCreateSimpleWindow(display,root, 0, 0, 1, 1, 0,
5910                     screens[i].c[SWM_S_COLOR_UNFOCUS].color,
5911                     screens[i].c[SWM_S_COLOR_UNFOCUS].color);
5912
5913                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
5914                     PropModeReplace, (unsigned char *)&win,1);
5915                 XChangeProperty(display, win, netwmcheck, XA_WINDOW, 32,
5916                     PropModeReplace, (unsigned char *)&win,1);
5917                 XChangeProperty(display, win, netwmname, utf8_string, 8,
5918                     PropModeReplace, (unsigned char*)"LG3D", strlen("LG3D"));
5919         }
5920 }
5921
5922 int
5923 main(int argc, char *argv[])
5924 {
5925         struct passwd           *pwd;
5926         struct swm_region       *r, *rr;
5927         struct ws_win           *winfocus = NULL;
5928         struct timeval          tv;
5929         union arg               a;
5930         char                    conf[PATH_MAX], *cfile = NULL;
5931         struct stat             sb;
5932         XEvent                  e;
5933         int                     xfd, i;
5934         fd_set                  rd;
5935         struct sigaction        sact;
5936
5937         start_argv = argv;
5938         fprintf(stderr, "Welcome to scrotwm V%s cvs tag: %s\n",
5939             SWM_VERSION, cvstag);
5940         if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
5941                 warnx("no locale support");
5942
5943         if (!(display = XOpenDisplay(0)))
5944                 errx(1, "can not open display");
5945
5946         if (active_wm())
5947                 errx(1, "other wm running");
5948
5949         /* handle some signals */
5950         bzero(&sact, sizeof(sact));
5951         sigemptyset(&sact.sa_mask);
5952         sact.sa_flags = 0;
5953         sact.sa_handler = sighdlr;
5954         sigaction(SIGINT, &sact, NULL);
5955         sigaction(SIGQUIT, &sact, NULL);
5956         sigaction(SIGTERM, &sact, NULL);
5957         sigaction(SIGHUP, &sact, NULL);
5958
5959         sact.sa_handler = sighdlr;
5960         sact.sa_flags = SA_NOCLDSTOP;
5961         sigaction(SIGCHLD, &sact, NULL);
5962
5963         astate = XInternAtom(display, "WM_STATE", False);
5964         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
5965         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
5966         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
5967         a_wmname = XInternAtom(display, "WM_NAME", False);
5968         a_utf8_string = XInternAtom(display, "UTF8_STRING", False);
5969         a_string = XInternAtom(display, "STRING", False);
5970         a_swm_iconic = XInternAtom(display, "_SWM_ICONIC", False);
5971
5972         /* look for local and global conf file */
5973         pwd = getpwuid(getuid());
5974         if (pwd == NULL)
5975                 errx(1, "invalid user %d", getuid());
5976
5977         setup_screens();
5978         setup_globals();
5979         setup_keys();
5980         setup_quirks();
5981         setup_spawn();
5982
5983         /* load config */
5984         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
5985         if (stat(conf, &sb) != -1) {
5986                 if (S_ISREG(sb.st_mode))
5987                         cfile = conf;
5988         } else {
5989                 /* try global conf file */
5990                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
5991                 if (!stat(conf, &sb))
5992                         if (S_ISREG(sb.st_mode))
5993                                 cfile = conf;
5994         }
5995         if (cfile)
5996                 conf_load(cfile);
5997
5998         setup_ewmh();
5999         /* set some values to work around bad programs */
6000         workaround();
6001
6002         /* grab existing windows (before we build the bars) */
6003         grab_windows();
6004
6005         if (getenv("SWM_STARTED") == NULL)
6006                 setenv("SWM_STARTED", "YES", 1);
6007
6008         /* setup all bars */
6009         for (i = 0; i < ScreenCount(display); i++)
6010                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
6011                         if (winfocus == NULL)
6012                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
6013                         bar_setup(r);
6014                 }
6015
6016         unfocus_all();
6017
6018         grabkeys();
6019         stack();
6020         if (focus_mode == SWM_FOCUS_DEFAULT)
6021                 drain_enter_notify();
6022
6023         xfd = ConnectionNumber(display);
6024         while (running) {
6025                 while (XPending(display)) {
6026                         XNextEvent(display, &e);
6027                         if (running == 0)
6028                                 goto done;
6029                         if (e.type < LASTEvent) {
6030                                 dumpevent(&e);
6031                                 if (handler[e.type])
6032                                         handler[e.type](&e);
6033                                 else
6034                                         DNPRINTF(SWM_D_EVENT,
6035                                             "win: %lu unknown event: %d\n",
6036                                             e.xany.window, e.type);
6037                         } else {
6038                                 switch (e.type - xrandr_eventbase) {
6039                                 case RRScreenChangeNotify:
6040                                         screenchange(&e);
6041                                         break;
6042                                 default:
6043                                         DNPRINTF(SWM_D_EVENT,
6044                                             "win: %lu unknown xrandr event: "
6045                                             "%d\n", e.xany.window, e.type);
6046                                         break;
6047                                 }
6048                         }
6049                 }
6050
6051                 /* if we are being restarted go focus on first window */
6052                 if (winfocus) {
6053                         rr = winfocus->ws->r;
6054                         if (rr == NULL) {
6055                                 /* not a visible window */
6056                                 winfocus = NULL;
6057                                 continue;
6058                         }
6059                         /* move pointer to first screen if multi screen */
6060                         if (ScreenCount(display) > 1 || outputs > 1)
6061                                 XWarpPointer(display, None, rr->s[0].root,
6062                                     0, 0, 0, 0, rr->g.x,
6063                                     rr->g.y + (bar_enabled ? bar_height : 0));
6064
6065                         a.id = SWM_ARG_ID_FOCUSCUR;
6066                         focus(rr, &a);
6067                         winfocus = NULL;
6068                         continue;
6069                 }
6070
6071                 FD_ZERO(&rd);
6072                 FD_SET(xfd, &rd);
6073                 tv.tv_sec = 1;
6074                 tv.tv_usec = 0;
6075                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
6076                         if (errno != EINTR)
6077                                 DNPRINTF(SWM_D_MISC, "select failed");
6078                 if (restart_wm == 1)
6079                         restart(NULL, NULL);
6080                 if (search_resp == 1)
6081                         search_do_resp();
6082                 if (running == 0)
6083                         goto done;
6084                 if (bar_alarm) {
6085                         bar_alarm = 0;
6086                         bar_update();
6087                 }
6088         }
6089 done:
6090         teardown_ewmh();
6091         bar_extra_stop();
6092         XFreeGC(display, bar_gc);
6093         XCloseDisplay(display);
6094
6095         return (0);
6096 }