spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2013 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  * Copyright (c) 2012-2013 David Hill <dhill@mindcry.org>
  12  *
  13  * Permission to use, copy, modify, and distribute this software for any
  14  * purpose with or without fee is hereby granted, provided that the above
  15  * copyright notice and this permission notice appear in all copies.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  18  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  20  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  21  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  22  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  23  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  24  */
  25 /*
  26  * Much code and ideas taken from dwm under the following license:
  27  * MIT/X Consortium License
  28  *
  29  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  30  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  31  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  32  * 2007 Premysl Hruby <dfenze at gmail dot com>
  33  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  34  * 2007 Christof Musik <christof at sendfax dot de>
  35  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  36  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  37  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  38  *
  39  * Permission is hereby granted, free of charge, to any person obtaining a
  40  * copy of this software and associated documentation files (the "Software"),
  41  * to deal in the Software without restriction, including without limitation
  42  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  43  * and/or sell copies of the Software, and to permit persons to whom the
  44  * Software is furnished to do so, subject to the following conditions:
  45  *
  46  * The above copyright notice and this permission notice shall be included in
  47  * all copies or substantial portions of the Software.
  48  *
  49  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  50  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  51  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  52  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  53  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  54  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  55  * DEALINGS IN THE SOFTWARE.
  56  */
  57
  58 /* kernel includes */
  59 #include <sys/types.h>
  60 #include <sys/time.h>
  61 #include <sys/stat.h>
  62 #include <sys/wait.h>
  63 #include <sys/queue.h>
  64 #include <sys/param.h>
  65 #include <sys/select.h>
  66 #if defined(__linux__)
  67 #include "tree.h"
  68 #elif defined(__OpenBSD__)
  69 #include <sys/tree.h>
  70 #elif defined(__FreeBSD__)
  71 #include <sys/tree.h>
  72 #else
  73 #include "tree.h"
  74 #endif
  75
  76 /* /usr/includes */
  77 #include <ctype.h>
  78 #include <err.h>
  79 #include <errno.h>
  80 #include <fcntl.h>
  81 #include <locale.h>
  82 #include <paths.h>
  83 #include <pwd.h>
  84 #include <signal.h>
  85 #include <stdio.h>
  86 #include <stdlib.h>
  87 #include <string.h>
  88 #include <time.h>
  89 #include <unistd.h>
  90 #include <util.h>
  91 #include <X11/cursorfont.h>
  92 #include <X11/extensions/Xrandr.h>
  93 #include <X11/Xcursor/Xcursor.h>
  94 #include <X11/Xft/Xft.h>
  95 #include <X11/Xlib-xcb.h>
  96 #include <xcb/xcb_atom.h>
  97 #include <xcb/xcb_aux.h>
  98 #include <xcb/xcb_event.h>
  99 #include <xcb/xcb_icccm.h>
 100 #include <xcb/xcb_keysyms.h>
 101 #include <xcb/xtest.h>
 102 #include <xcb/randr.h>
 103
 104 /* local includes */
 105 #include "version.h"
 106 #ifdef __OSX__
 107 #include <osx.h>
 108 #endif
 109
 110 #ifdef SPECTRWM_BUILDSTR
 111 static const char       *buildstr = SPECTRWM_BUILDSTR;
 112 #else
 113 static const char       *buildstr = SPECTRWM_VERSION;
 114 #endif
 115
 116 #if !defined(__CYGWIN__) /* cygwin chokes on xrandr stuff */
 117 #  if RANDR_MAJOR < 1
 118 #    error XRandR versions less than 1.0 are not supported
 119 #endif
 120
 121 #  if RANDR_MAJOR >= 1
 122 #    if RANDR_MINOR >= 2
 123 #      define SWM_XRR_HAS_CRTC
 124 #    endif
 125 #  endif
 126 #endif /* __CYGWIN__ */
 127
 128 #ifndef XCB_ICCCM_NUM_WM_HINTS_ELEMENTS
 129 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 130 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 131 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 132 #define XCB_ICCCM_WM_HINT_INPUT                 XCB_WM_HINT_INPUT
 133 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 134 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 135 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 136 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 137 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 138 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 139 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 140 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 141 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 142 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 143 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 144 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 145 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 146 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 147 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 148 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 149 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 150 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 151 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 152 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 153 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 154 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 155 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 156 #endif
 157
 158 /*#define SWM_DEBUG*/
 159 #ifdef SWM_DEBUG
 160 #define DPRINTF(x...) do {                                                      \
 161         if (swm_debug)                                                          \
 162                 fprintf(stderr, x);                                             \
 163 } while (0)
 164 #define DNPRINTF(n,x...) do {                                                   \
 165         if (swm_debug & n) {                                                    \
 166                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 167                 fprintf(stderr, x);                                             \
 168         }                                                                       \
 169 } while (0)
 170 #define SWM_D_MISC              0x0001
 171 #define SWM_D_EVENT             0x0002
 172 #define SWM_D_WS                0x0004
 173 #define SWM_D_FOCUS             0x0008
 174 #define SWM_D_MOVE              0x0010
 175 #define SWM_D_STACK             0x0020
 176 #define SWM_D_MOUSE             0x0040
 177 #define SWM_D_PROP              0x0080
 178 #define SWM_D_CLASS             0x0100
 179 #define SWM_D_KEY               0x0200
 180 #define SWM_D_QUIRK             0x0400
 181 #define SWM_D_SPAWN             0x0800
 182 #define SWM_D_EVENTQ            0x1000
 183 #define SWM_D_CONF              0x2000
 184 #define SWM_D_BAR               0x4000
 185 #define SWM_D_INIT              0x8000
 186
 187 u_int32_t               swm_debug = 0
 188                             | SWM_D_MISC
 189                             | SWM_D_EVENT
 190                             | SWM_D_WS
 191                             | SWM_D_FOCUS
 192                             | SWM_D_MOVE
 193                             | SWM_D_STACK
 194                             | SWM_D_MOUSE
 195                             | SWM_D_PROP
 196                             | SWM_D_CLASS
 197                             | SWM_D_KEY
 198                             | SWM_D_QUIRK
 199                             | SWM_D_SPAWN
 200                             | SWM_D_EVENTQ
 201                             | SWM_D_CONF
 202                             | SWM_D_BAR
 203                             | SWM_D_INIT
 204                             ;
 205 #else
 206 #define DPRINTF(x...)
 207 #define DNPRINTF(n,x...)
 208 #endif
 209
 210 /* convert 8-bit to 16-bit */
 211 #define RGB_8_TO_16(col)        ((col) << 8) + (col)
 212
 213 #define PIXEL_TO_XRENDERCOLOR(px, xrc)                                  \
 214         xrc.red = RGB_8_TO_16((px) >> 16 & 0xff);                       \
 215         xrc.green = RGB_8_TO_16((px) >> 8 & 0xff);                      \
 216         xrc.blue = RGB_8_TO_16((px) & 0xff);                            \
 217         xrc.alpha = 0xffff;
 218
 219 #define LENGTH(x)               (int)(sizeof (x) / sizeof (x)[0])
 220 #define MODKEY                  XCB_MOD_MASK_1
 221 #define CLEANMASK(mask)         ((mask) & ~(numlockmask | XCB_MOD_MASK_LOCK))
 222 #define BUTTONMASK              (XCB_EVENT_MASK_BUTTON_PRESS |          \
 223     XCB_EVENT_MASK_BUTTON_RELEASE)
 224 #define MOUSEMASK               (BUTTONMASK|XCB_EVENT_MASK_POINTER_MOTION)
 225 #define SWM_PROPLEN             (16)
 226 #define SWM_FUNCNAME_LEN        (32)
 227 #define SWM_KEYS_LEN            (255)
 228 #define SWM_QUIRK_LEN           (64)
 229 #define X(r)                    (r)->g.x
 230 #define Y(r)                    (r)->g.y
 231 #define WIDTH(r)                (r)->g.w
 232 #define HEIGHT(r)               (r)->g.h
 233 #define BORDER(w)               ((w)->bordered ? border_width : 0)
 234 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 235 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 236 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 237 #define SH_MIN_W(w)             (w)->sh.min_width
 238 #define SH_MIN_H(w)             (w)->sh.min_height
 239 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 240 #define SH_MAX_W(w)             (w)->sh.max_width
 241 #define SH_MAX_H(w)             (w)->sh.max_height
 242 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 243 #define SH_INC_W(w)             (w)->sh.width_inc
 244 #define SH_INC_H(w)             (w)->sh.height_inc
 245 #define SWM_MAX_FONT_STEPS      (3)
 246 #define WINID(w)                ((w) ? (w)->id : XCB_WINDOW_NONE)
 247 #define YESNO(x)                ((x) ? "yes" : "no")
 248
 249 /* Constrain Window flags */
 250 #define SWM_CW_RESIZABLE        (0x01)
 251 #define SWM_CW_SOFTBOUNDARY     (0x02)
 252 #define SWM_CW_HARDBOUNDARY     (0x04)
 253 #define SWM_CW_RIGHT            (0x10)
 254 #define SWM_CW_LEFT             (0x20)
 255 #define SWM_CW_BOTTOM           (0x40)
 256 #define SWM_CW_TOP              (0x80)
 257 #define SWM_CW_ALLSIDES         (0xf0)
 258
 259 #define SWM_FOCUS_DEFAULT       (0)
 260 #define SWM_FOCUS_FOLLOW        (1)
 261 #define SWM_FOCUS_MANUAL        (2)
 262
 263 #define SWM_CK_NONE             0
 264 #define SWM_CK_ALL              0xf
 265 #define SWM_CK_FOCUS            0x1
 266 #define SWM_CK_POINTER          0x2
 267 #define SWM_CK_FALLBACK         0x4
 268 #define SWM_CK_REGION           0x8
 269
 270 #define SWM_CONF_DEFAULT        (0)
 271 #define SWM_CONF_KEYMAPPING     (1)
 272
 273 #ifndef SWM_LIB
 274 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 275 #endif
 276
 277 char                    **start_argv;
 278 xcb_atom_t              a_state;
 279 xcb_atom_t              a_prot;
 280 xcb_atom_t              a_delete;
 281 xcb_atom_t              a_takefocus;
 282 xcb_atom_t              a_wmname;
 283 xcb_atom_t              a_netwmname;
 284 xcb_atom_t              a_utf8_string;
 285 xcb_atom_t              a_string;
 286 xcb_atom_t              a_swm_iconic;
 287 xcb_atom_t              a_swm_ws;
 288 volatile sig_atomic_t   running = 1;
 289 volatile sig_atomic_t   restart_wm = 0;
 290 xcb_timestamp_t         last_event_time = 0;
 291 int                     outputs = 0;
 292 int                     other_wm;
 293 int                     xrandr_support;
 294 int                     xrandr_eventbase;
 295 unsigned int            numlockmask = 0;
 296
 297 Display                 *display;
 298 xcb_connection_t        *conn;
 299 xcb_key_symbols_t       *syms;
 300
 301 int                     boundary_width = 50;
 302 int                     cycle_empty = 0;
 303 int                     cycle_visible = 0;
 304 int                     term_width = 0;
 305 int                     font_adjusted = 0;
 306 unsigned int            mod_key = MODKEY;
 307
 308 /* dmenu search */
 309 struct swm_region       *search_r;
 310 int                     select_list_pipe[2];
 311 int                     select_resp_pipe[2];
 312 pid_t                   searchpid;
 313 volatile sig_atomic_t   search_resp;
 314 int                     search_resp_action;
 315
 316 struct search_window {
 317         TAILQ_ENTRY(search_window)      entry;
 318         int                             idx;
 319         struct ws_win                   *win;
 320         xcb_gcontext_t                  gc;
 321         xcb_window_t                    indicator;
 322 };
 323 TAILQ_HEAD(search_winlist, search_window);
 324 struct search_winlist                   search_wl;
 325
 326 /* search actions */
 327 enum {
 328         SWM_SEARCH_NONE,
 329         SWM_SEARCH_UNICONIFY,
 330         SWM_SEARCH_NAME_WORKSPACE,
 331         SWM_SEARCH_SEARCH_WORKSPACE,
 332         SWM_SEARCH_SEARCH_WINDOW
 333 };
 334
 335 #define SWM_STACK_TOP           (0)
 336 #define SWM_STACK_BOTTOM        (1)
 337 #define SWM_STACK_ABOVE         (2)
 338 #define SWM_STACK_BELOW         (3)
 339
 340 /* dialog windows */
 341 double                  dialog_ratio = 0.6;
 342 /* status bar */
 343 #define SWM_BAR_MAX             (256)
 344 #define SWM_BAR_JUSTIFY_LEFT    (0)
 345 #define SWM_BAR_JUSTIFY_CENTER  (1)
 346 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 347 #define SWM_BAR_OFFSET          (4)
 348 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-12-*-*-*-*-*-*-*," \
 349                                 "-*-profont-*-*-*-*-12-*-*-*-*-*-*-*,"      \
 350                                 "-*-times-medium-r-*-*-12-*-*-*-*-*-*-*,"    \
 351                                 "-misc-fixed-medium-r-*-*-12-*-*-*-*-*-*-*,"  \
 352                                 "-*-*-*-r-*-*-*-*-*-*-*-*-*-*"
 353
 354 #ifdef X_HAVE_UTF8_STRING
 355 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 356 #else
 357 #define DRAWSTRING(x...)        XmbDrawString(x)
 358 #endif
 359
 360 char            *bar_argv[] = { NULL, NULL };
 361 int              bar_pipe[2];
 362 char             bar_ext[SWM_BAR_MAX];
 363 char             bar_ext_buf[SWM_BAR_MAX];
 364 char             bar_vertext[SWM_BAR_MAX];
 365 int              bar_version = 0;
 366 int              bar_enabled = 1;
 367 int              bar_border_width = 1;
 368 int              bar_at_bottom = 0;
 369 int              bar_extra = 0;
 370 int              bar_verbose = 1;
 371 int              bar_height = 0;
 372 int              bar_justify = SWM_BAR_JUSTIFY_LEFT;
 373 char             *bar_format = NULL;
 374 int              stack_enabled = 1;
 375 int              clock_enabled = 1;
 376 int              urgent_enabled = 0;
 377 char            *clock_format = NULL;
 378 int              title_name_enabled = 0;
 379 int              title_class_enabled = 0;
 380 int              window_name_enabled = 0;
 381 int              focus_mode = SWM_FOCUS_DEFAULT;
 382 int              focus_close = SWM_STACK_BELOW;
 383 int              focus_close_wrap = 1;
 384 int              focus_default = SWM_STACK_TOP;
 385 int              spawn_position = SWM_STACK_TOP;
 386 int              disable_border = 0;
 387 int              border_width = 1;
 388 int              region_padding = 0;
 389 int              tile_gap = 0;
 390 int              verbose_layout = 0;
 391 time_t           time_started;
 392 pid_t            bar_pid;
 393 XFontSet         bar_fs;
 394 XFontSetExtents *bar_fs_extents;
 395 XftFont         *bar_font;
 396 int              bar_font_legacy = 1;
 397 char            *bar_fonts;
 398 XftColor         bar_font_color;
 399 struct passwd   *pwd;
 400 char            *startup_exception;
 401 unsigned int     nr_exceptions = 0;
 402
 403 /* layout manager data */
 404 struct swm_geometry {
 405         int                     x;
 406         int                     y;
 407         int                     w;
 408         int                     h;
 409 };
 410
 411 struct swm_screen;
 412 struct workspace;
 413
 414 struct swm_bar {
 415         xcb_window_t            id;
 416         xcb_pixmap_t            buffer;
 417         struct swm_geometry     g;
 418 };
 419
 420 /* virtual "screens" */
 421 struct swm_region {
 422         TAILQ_ENTRY(swm_region) entry;
 423         xcb_window_t            id;
 424         struct swm_geometry     g;
 425         struct workspace        *ws;    /* current workspace on this region */
 426         struct workspace        *ws_prior; /* prior workspace on this region */
 427         struct swm_screen       *s;     /* screen idx */
 428         struct swm_bar          *bar;
 429 };
 430 TAILQ_HEAD(swm_region_list, swm_region);
 431
 432 struct ws_win {
 433         TAILQ_ENTRY(ws_win)     entry;
 434         xcb_window_t            id;
 435         xcb_window_t            transient;
 436         struct ws_win           *focus_child;   /* focus on child transient */
 437         struct swm_geometry     g;              /* current geometry */
 438         struct swm_geometry     g_float;        /* region coordinates */
 439         int                     g_floatvalid;   /* g_float geometry validity */
 440         int                     floatmaxed;     /* whether maxed by max_stack */
 441         int                     floating;
 442         int                     manual;
 443         int32_t                 mapped;
 444         int32_t                 iconic;
 445         int                     bordered;
 446         unsigned int            ewmh_flags;
 447         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 448         int                     font_steps;
 449         int                     last_inc;
 450         int                     can_delete;
 451         int                     take_focus;
 452         int                     java;
 453         unsigned long           quirks;
 454         struct workspace        *ws;    /* always valid */
 455         struct swm_screen       *s;     /* always valid, never changes */
 456         xcb_get_geometry_reply_t        *wa;
 457         xcb_size_hints_t        sh;
 458         xcb_icccm_get_wm_class_reply_t  ch;
 459         xcb_icccm_wm_hints_t    hints;
 460 };
 461 TAILQ_HEAD(ws_win_list, ws_win);
 462
 463 /* pid goo */
 464 struct pid_e {
 465         TAILQ_ENTRY(pid_e)      entry;
 466         pid_t                   pid;
 467         int                     ws;
 468 };
 469 TAILQ_HEAD(pid_list, pid_e);
 470 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 471
 472 /* layout handlers */
 473 void    stack(void);
 474 void    vertical_config(struct workspace *, int);
 475 void    vertical_stack(struct workspace *, struct swm_geometry *);
 476 void    horizontal_config(struct workspace *, int);
 477 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 478 void    max_stack(struct workspace *, struct swm_geometry *);
 479 void    plain_stacker(struct workspace *);
 480 void    fancy_stacker(struct workspace *);
 481
 482 struct layout {
 483         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 484         void            (*l_config)(struct workspace *, int);
 485         u_int32_t       flags;
 486 #define SWM_L_FOCUSPREV         (1<<0)
 487 #define SWM_L_MAPONFOCUS        (1<<1)
 488         void            (*l_string)(struct workspace *);
 489 } layouts[] =  {
 490         /* stack,               configure */
 491         { vertical_stack,       vertical_config,        0,      plain_stacker },
 492         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 493         { max_stack,            NULL,
 494           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 495         { NULL,                 NULL,                   0,      NULL  },
 496 };
 497
 498 /* position of max_stack mode in the layouts array, index into layouts! */
 499 #define SWM_V_STACK             (0)
 500 #define SWM_H_STACK             (1)
 501 #define SWM_MAX_STACK           (2)
 502
 503 #define SWM_H_SLICE             (32)
 504 #define SWM_V_SLICE             (32)
 505
 506 /* define work spaces */
 507 struct workspace {
 508         int                     idx;            /* workspace index */
 509         char                    *name;          /* workspace name */
 510         int                     always_raise;   /* raise windows on focus */
 511         int                     bar_enabled;    /* bar visibility */
 512         struct layout           *cur_layout;    /* current layout handlers */
 513         struct ws_win           *focus;         /* may be NULL */
 514         struct ws_win           *focus_prev;    /* may be NULL */
 515         struct ws_win           *focus_pending; /* may be NULL */
 516         struct swm_region       *r;             /* may be NULL */
 517         struct swm_region       *old_r;         /* may be NULL */
 518         struct ws_win_list      winlist;        /* list of windows in ws */
 519         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 520         char                    stacker[10];    /* display stacker and layout */
 521
 522         /* stacker state */
 523         struct {
 524                                 int horizontal_msize;
 525                                 int horizontal_mwin;
 526                                 int horizontal_stacks;
 527                                 int horizontal_flip;
 528                                 int vertical_msize;
 529                                 int vertical_mwin;
 530                                 int vertical_stacks;
 531                                 int vertical_flip;
 532         } l_state;
 533 };
 534
 535 enum {
 536         SWM_S_COLOR_BAR,
 537         SWM_S_COLOR_BAR_BORDER,
 538         SWM_S_COLOR_BAR_BORDER_UNFOCUS,
 539         SWM_S_COLOR_BAR_FONT,
 540         SWM_S_COLOR_FOCUS,
 541         SWM_S_COLOR_UNFOCUS,
 542         SWM_S_COLOR_MAX
 543 };
 544
 545 /* physical screen mapping */
 546 #define SWM_WS_MAX              (22)    /* hard limit */
 547 int             workspace_limit = 10;   /* soft limit */
 548
 549 struct swm_screen {
 550         int                     idx;    /* screen index */
 551         struct swm_region_list  rl;     /* list of regions on this screen */
 552         struct swm_region_list  orl;    /* list of old regions */
 553         xcb_window_t            root;
 554         struct workspace        ws[SWM_WS_MAX];
 555         struct swm_region       *r_focus;
 556
 557         /* colors */
 558         struct {
 559                 uint32_t        pixel;
 560                 char            *name;
 561         } c[SWM_S_COLOR_MAX];
 562
 563         xcb_gcontext_t          bar_gc;
 564         GC                      bar_gc_legacy;
 565 };
 566 struct swm_screen       *screens;
 567
 568 /* args to functions */
 569 union arg {
 570         int                     id;
 571 #define SWM_ARG_ID_FOCUSNEXT    (0)
 572 #define SWM_ARG_ID_FOCUSPREV    (1)
 573 #define SWM_ARG_ID_FOCUSMAIN    (2)
 574 #define SWM_ARG_ID_SWAPNEXT     (10)
 575 #define SWM_ARG_ID_SWAPPREV     (11)
 576 #define SWM_ARG_ID_SWAPMAIN     (12)
 577 #define SWM_ARG_ID_MOVELAST     (13)
 578 #define SWM_ARG_ID_MASTERSHRINK (20)
 579 #define SWM_ARG_ID_MASTERGROW   (21)
 580 #define SWM_ARG_ID_MASTERADD    (22)
 581 #define SWM_ARG_ID_MASTERDEL    (23)
 582 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 583 #define SWM_ARG_ID_STACKRESET   (30)
 584 #define SWM_ARG_ID_STACKINIT    (31)
 585 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 586 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 587 #define SWM_ARG_ID_CYCLERG_UP   (42)
 588 #define SWM_ARG_ID_CYCLERG_DOWN (43)
 589 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 590 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 591 #define SWM_ARG_ID_CYCLEWS_MOVE_UP      (46)
 592 #define SWM_ARG_ID_CYCLEWS_MOVE_DOWN    (47)
 593 #define SWM_ARG_ID_STACKINC     (50)
 594 #define SWM_ARG_ID_STACKDEC     (51)
 595 #define SWM_ARG_ID_SS_ALL       (60)
 596 #define SWM_ARG_ID_SS_WINDOW    (61)
 597 #define SWM_ARG_ID_DONTCENTER   (70)
 598 #define SWM_ARG_ID_CENTER       (71)
 599 #define SWM_ARG_ID_KILLWINDOW   (80)
 600 #define SWM_ARG_ID_DELETEWINDOW (81)
 601 #define SWM_ARG_ID_WIDTHGROW    (90)
 602 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 603 #define SWM_ARG_ID_HEIGHTGROW   (92)
 604 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 605 #define SWM_ARG_ID_MOVEUP       (100)
 606 #define SWM_ARG_ID_MOVEDOWN     (101)
 607 #define SWM_ARG_ID_MOVELEFT     (102)
 608 #define SWM_ARG_ID_MOVERIGHT    (103)
 609 #define SWM_ARG_ID_BAR_TOGGLE   (110)
 610 #define SWM_ARG_ID_BAR_TOGGLE_WS        (111)
 611         char                    **argv;
 612 };
 613
 614 /* quirks */
 615 struct quirk {
 616         TAILQ_ENTRY(quirk)      entry;
 617         char                    *class;
 618         char                    *name;
 619         unsigned long           quirk;
 620 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 621 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 622 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 623 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 624 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 625 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 626 #define SWM_Q_NOFOCUSONMAP      (1<<6)  /* Don't focus on window when mapped. */
 627 #define SWM_Q_FOCUSONMAP_SINGLE (1<<7)  /* Only focus if single win of type. */
 628 };
 629 TAILQ_HEAD(quirk_list, quirk);
 630 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 631
 632 /*
 633  * Supported EWMH hints should be added to
 634  * both the enum and the ewmh array
 635  */
 636 enum {
 637         _NET_ACTIVE_WINDOW,
 638         _NET_CLOSE_WINDOW,
 639         _NET_MOVERESIZE_WINDOW,
 640         _NET_WM_ACTION_ABOVE,
 641         _NET_WM_ACTION_CLOSE,
 642         _NET_WM_ACTION_FULLSCREEN,
 643         _NET_WM_ACTION_MOVE,
 644         _NET_WM_ACTION_RESIZE,
 645         _NET_WM_ALLOWED_ACTIONS,
 646         _NET_WM_NAME,
 647         _NET_WM_STATE,
 648         _NET_WM_STATE_ABOVE,
 649         _NET_WM_STATE_FULLSCREEN,
 650         _NET_WM_STATE_HIDDEN,
 651         _NET_WM_STATE_MAXIMIZED_HORZ,
 652         _NET_WM_STATE_MAXIMIZED_VERT,
 653         _NET_WM_STATE_SKIP_PAGER,
 654         _NET_WM_STATE_SKIP_TASKBAR,
 655         _NET_WM_WINDOW_TYPE,
 656         _NET_WM_WINDOW_TYPE_DIALOG,
 657         _NET_WM_WINDOW_TYPE_DOCK,
 658         _NET_WM_WINDOW_TYPE_NORMAL,
 659         _NET_WM_WINDOW_TYPE_SPLASH,
 660         _NET_WM_WINDOW_TYPE_TOOLBAR,
 661         _NET_WM_WINDOW_TYPE_UTILITY,
 662         _SWM_WM_STATE_MANUAL,
 663         SWM_EWMH_HINT_MAX
 664 };
 665
 666 struct ewmh_hint {
 667         char            *name;
 668         xcb_atom_t      atom;
 669 } ewmh[SWM_EWMH_HINT_MAX] =     {
 670     /* must be in same order as in the enum */
 671     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 672     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 673     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 674     {"_NET_WM_ACTION_ABOVE", XCB_ATOM_NONE},
 675     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 676     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 677     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 678     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 679     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 680     {"_NET_WM_NAME", XCB_ATOM_NONE},
 681     {"_NET_WM_STATE", XCB_ATOM_NONE},
 682     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 683     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 684     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 685     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 686     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 687     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 688     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 689     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 690     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 691     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 692     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 693     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 694     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 695     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 696     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 697 };
 698
 699 /* Cursors */
 700 enum {
 701         XC_FLEUR,
 702         XC_LEFT_PTR,
 703         XC_BOTTOM_LEFT_CORNER,
 704         XC_BOTTOM_RIGHT_CORNER,
 705         XC_SIZING,
 706         XC_TOP_LEFT_CORNER,
 707         XC_TOP_RIGHT_CORNER,
 708         XC_MAX
 709 };
 710
 711 struct cursors {
 712         char            *name; /* Name used by Xcursor .*/
 713         uint8_t         cf_char; /* cursorfont index. */
 714         xcb_cursor_t    cid;
 715 } cursors[XC_MAX] =     {
 716         {"fleur", XC_fleur, XCB_CURSOR_NONE},
 717         {"left_ptr", XC_left_ptr, XCB_CURSOR_NONE},
 718         {"bottom_left_corner", XC_bottom_left_corner, XCB_CURSOR_NONE},
 719         {"bottom_right_corner", XC_bottom_right_corner, XCB_CURSOR_NONE},
 720         {"sizing", XC_sizing, XCB_CURSOR_NONE},
 721         {"top_left_corner", XC_top_left_corner, XCB_CURSOR_NONE},
 722         {"top_right_corner", XC_top_right_corner, XCB_CURSOR_NONE},
 723 };
 724
 725 #define SWM_SPAWN_OPTIONAL              0x1
 726
 727 /* spawn */
 728 struct spawn_prog {
 729         TAILQ_ENTRY(spawn_prog) entry;
 730         char                    *name;
 731         int                     argc;
 732         char                    **argv;
 733         int                     flags;
 734 };
 735 TAILQ_HEAD(spawn_list, spawn_prog);
 736 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
 737
 738 /* user/key callable function IDs */
 739 enum keyfuncid {
 740         KF_BAR_TOGGLE,
 741         KF_BAR_TOGGLE_WS,
 742         KF_BUTTON2,
 743         KF_CYCLE_LAYOUT,
 744         KF_FLIP_LAYOUT,
 745         KF_FLOAT_TOGGLE,
 746         KF_FOCUS_MAIN,
 747         KF_FOCUS_NEXT,
 748         KF_FOCUS_PREV,
 749         KF_HEIGHT_GROW,
 750         KF_HEIGHT_SHRINK,
 751         KF_ICONIFY,
 752         KF_MASTER_SHRINK,
 753         KF_MASTER_GROW,
 754         KF_MASTER_ADD,
 755         KF_MASTER_DEL,
 756         KF_MOVE_DOWN,
 757         KF_MOVE_LEFT,
 758         KF_MOVE_RIGHT,
 759         KF_MOVE_UP,
 760         KF_MVRG_1,
 761         KF_MVRG_2,
 762         KF_MVRG_3,
 763         KF_MVRG_4,
 764         KF_MVRG_5,
 765         KF_MVRG_6,
 766         KF_MVRG_7,
 767         KF_MVRG_8,
 768         KF_MVRG_9,
 769         KF_MVWS_1,
 770         KF_MVWS_2,
 771         KF_MVWS_3,
 772         KF_MVWS_4,
 773         KF_MVWS_5,
 774         KF_MVWS_6,
 775         KF_MVWS_7,
 776         KF_MVWS_8,
 777         KF_MVWS_9,
 778         KF_MVWS_10,
 779         KF_MVWS_11,
 780         KF_MVWS_12,
 781         KF_MVWS_13,
 782         KF_MVWS_14,
 783         KF_MVWS_15,
 784         KF_MVWS_16,
 785         KF_MVWS_17,
 786         KF_MVWS_18,
 787         KF_MVWS_19,
 788         KF_MVWS_20,
 789         KF_MVWS_21,
 790         KF_MVWS_22,
 791         KF_NAME_WORKSPACE,
 792         KF_QUIT,
 793         KF_RAISE_TOGGLE,
 794         KF_RESTART,
 795         KF_RG_1,
 796         KF_RG_2,
 797         KF_RG_3,
 798         KF_RG_4,
 799         KF_RG_5,
 800         KF_RG_6,
 801         KF_RG_7,
 802         KF_RG_8,
 803         KF_RG_9,
 804         KF_RG_NEXT,
 805         KF_RG_PREV,
 806         KF_SCREEN_NEXT,
 807         KF_SCREEN_PREV,
 808         KF_SEARCH_WIN,
 809         KF_SEARCH_WORKSPACE,
 810         KF_SPAWN_CUSTOM,
 811         KF_STACK_INC,
 812         KF_STACK_DEC,
 813         KF_STACK_RESET,
 814         KF_SWAP_MAIN,
 815         KF_SWAP_NEXT,
 816         KF_SWAP_PREV,
 817         KF_UNICONIFY,
 818         KF_VERSION,
 819         KF_WIDTH_GROW,
 820         KF_WIDTH_SHRINK,
 821         KF_WIND_DEL,
 822         KF_WIND_KILL,
 823         KF_WS_1,
 824         KF_WS_2,
 825         KF_WS_3,
 826         KF_WS_4,
 827         KF_WS_5,
 828         KF_WS_6,
 829         KF_WS_7,
 830         KF_WS_8,
 831         KF_WS_9,
 832         KF_WS_10,
 833         KF_WS_11,
 834         KF_WS_12,
 835         KF_WS_13,
 836         KF_WS_14,
 837         KF_WS_15,
 838         KF_WS_16,
 839         KF_WS_17,
 840         KF_WS_18,
 841         KF_WS_19,
 842         KF_WS_20,
 843         KF_WS_21,
 844         KF_WS_22,
 845         KF_WS_NEXT,
 846         KF_WS_NEXT_ALL,
 847         KF_WS_NEXT_MOVE,
 848         KF_WS_PREV,
 849         KF_WS_PREV_ALL,
 850         KF_WS_PREV_MOVE,
 851         KF_WS_PRIOR,
 852         KF_DUMPWINS, /* MUST BE LAST */
 853         KF_INVALID
 854 };
 855
 856 struct key {
 857         RB_ENTRY(key)           entry;
 858         unsigned int            mod;
 859         KeySym                  keysym;
 860         enum keyfuncid          funcid;
 861         char                    *spawn_name;
 862 };
 863 RB_HEAD(key_tree, key);
 864
 865 /* function prototypes */
 866 void     adjust_font(struct ws_win *);
 867 void     bar_class_name(char *, size_t, struct swm_region *);
 868 void     bar_class_title_name(char *, size_t, struct swm_region *);
 869 void     bar_cleanup(struct swm_region *);
 870 void     bar_extra_setup(void);
 871 void     bar_extra_stop(void);
 872 int      bar_extra_update(void);
 873 void     bar_fmt(const char *, char *, struct swm_region *, size_t);
 874 void     bar_fmt_expand(char *, size_t);
 875 void     bar_draw(void);
 876 void     bar_print(struct swm_region *, const char *);
 877 void     bar_print_legacy(struct swm_region *, const char *);
 878 void     bar_replace(char *, char *, struct swm_region *, size_t);
 879 void     bar_replace_pad(char *, int *, size_t);
 880 char    *bar_replace_seq(char *, char *, struct swm_region *, size_t *, size_t);
 881 void     bar_setup(struct swm_region *);
 882 void     bar_title_name(char *, size_t, struct swm_region *);
 883 void     bar_toggle(struct swm_region *, union arg *);
 884 void     bar_urgent(char *, size_t);
 885 void     bar_window_float(char *, size_t, struct swm_region *);
 886 void     bar_window_name(char *, size_t, struct swm_region *);
 887 void     bar_workspace_name(char *, size_t, struct swm_region *);
 888 void     buttonpress(xcb_button_press_event_t *);
 889 void     check_conn(void);
 890 void     clear_keys(void);
 891 void     clientmessage(xcb_client_message_event_t *);
 892 void     client_msg(struct ws_win *, xcb_atom_t, xcb_timestamp_t);
 893 int      conf_load(const char *, int);
 894 void     configurenotify(xcb_configure_notify_event_t *);
 895 void     configurerequest(xcb_configure_request_event_t *);
 896 void     config_win(struct ws_win *, xcb_configure_request_event_t *);
 897 void     constrain_window(struct ws_win *, struct swm_geometry *, int *);
 898 int      count_win(struct workspace *, int);
 899 void     cursors_cleanup(void);
 900 void     cursors_load(void);
 901 void     custom_region(char *);
 902 void     cyclerg(struct swm_region *, union arg *);
 903 void     cyclews(struct swm_region *, union arg *);
 904 void     cycle_layout(struct swm_region *, union arg *);
 905 void     destroynotify(xcb_destroy_notify_event_t *);
 906 void     dumpwins(struct swm_region *, union arg *);
 907 int      enable_wm(void);
 908 void     enternotify(xcb_enter_notify_event_t *);
 909 void     event_drain(uint8_t);
 910 void     event_error(xcb_generic_error_t *);
 911 void     event_handle(xcb_generic_event_t *);
 912 void     ewmh_autoquirk(struct ws_win *);
 913 void     ewmh_get_win_state(struct ws_win *);
 914 int      ewmh_set_win_fullscreen(struct ws_win *, int);
 915 void     ewmh_update_actions(struct ws_win *);
 916 void     ewmh_update_win_state(struct ws_win *, xcb_atom_t, long);
 917 char    *expand_tilde(const char *);
 918 void     expose(xcb_expose_event_t *);
 919 void     fake_keypress(struct ws_win *, xcb_keysym_t, uint16_t);
 920 struct pid_e    *find_pid(pid_t);
 921 struct ws_win   *find_unmanaged_window(xcb_window_t);
 922 struct ws_win   *find_window(xcb_window_t);
 923 void     floating_toggle(struct swm_region *, union arg *);
 924 int      floating_toggle_win(struct ws_win *);
 925 void     focus(struct swm_region *, union arg *);
 926 #ifdef SWM_DEBUG
 927 void     focusin(xcb_focus_in_event_t *);
 928 void     focusout(xcb_focus_out_event_t *);
 929 #endif
 930 void     focus_flush(void);
 931 void     focus_region(struct swm_region *);
 932 void     focusrg(struct swm_region *, union arg *);
 933 void     focus_win(struct ws_win *);
 934 void     fontset_init(void);
 935 void     free_window(struct ws_win *);
 936 xcb_atom_t get_atom_from_string(const char *);
 937 #ifdef SWM_DEBUG
 938 char    *get_atom_name(xcb_atom_t);
 939 #endif
 940 struct ws_win   *get_focus_magic(struct ws_win *);
 941 struct ws_win   *get_focus_prev(struct ws_win *);
 942 #ifdef SWM_DEBUG
 943 char    *get_notify_detail_label(uint8_t);
 944 char    *get_notify_mode_label(uint8_t);
 945 #endif
 946 struct ws_win   *get_pointer_win(xcb_window_t);
 947 struct ws_win   *get_region_focus(struct swm_region *);
 948 int      get_region_index(struct swm_region *);
 949 xcb_screen_t    *get_screen(int);
 950 xcb_window_t     get_sibling(struct ws_win *, int);
 951 int      get_screen_count(void);
 952 #ifdef SWM_DEBUG
 953 char    *get_stack_mode_name(uint8_t);
 954 #endif
 955 int32_t  get_swm_iconic(struct ws_win *);
 956 char    *get_win_name(xcb_window_t);
 957 int      get_ws_idx(xcb_window_t);
 958 uint32_t getstate(xcb_window_t);
 959 void     grabbuttons(struct ws_win *);
 960 void     grabkeys(void);
 961 void     grab_windows(void);
 962 void     iconify(struct swm_region *, union arg *);
 963 int      isxlfd(char *);
 964 void     keypress(xcb_key_press_event_t *);
 965 int      key_cmp(struct key *, struct key *);
 966 void     key_insert(unsigned int, KeySym, enum keyfuncid, const char *);
 967 struct key      *key_lookup(unsigned int, KeySym);
 968 void     key_remove(struct key *);
 969 void     key_replace(struct key *, unsigned int, KeySym, enum keyfuncid,
 970              const char *);
 971 void     kill_bar_extra_atexit(void);
 972 void     kill_refs(struct ws_win *);
 973 #ifdef SWM_DEBUG
 974 void     leavenotify(xcb_leave_notify_event_t *);
 975 #endif
 976 void     load_float_geom(struct ws_win *);
 977 struct ws_win   *manage_window(xcb_window_t, uint16_t);
 978 void     map_window(struct ws_win *, xcb_window_t);
 979 void     mapnotify(xcb_map_notify_event_t *);
 980 void     mappingnotify(xcb_mapping_notify_event_t *);
 981 void     maprequest(xcb_map_request_event_t *);
 982 void     motionnotify(xcb_motion_notify_event_t *);
 983 void     move(struct ws_win *, union arg *);
 984 void     move_step(struct swm_region *, union arg *);
 985 uint32_t name_to_pixel(int, const char *);
 986 void     name_workspace(struct swm_region *, union arg *);
 987 void     new_region(struct swm_screen *, int, int, int, int);
 988 int      parsekeys(char *, unsigned int, unsigned int *, KeySym *);
 989 int      parsequirks(char *, unsigned long *);
 990 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 991 void     pressbutton(struct swm_region *, union arg *);
 992 void     priorws(struct swm_region *, union arg *);
 993 #ifdef SWM_DEBUG
 994 void     print_win_geom(xcb_window_t);
 995 #endif
 996 void     propertynotify(xcb_property_notify_event_t *);
 997 void     quirk_insert(const char *, const char *, unsigned long);
 998 void     quirk_remove(struct quirk *);
 999 void     quirk_replace(struct quirk *, const char *, const char *,
1000              unsigned long);
1001 void     quit(struct swm_region *, union arg *);
1002 void     raise_toggle(struct swm_region *, union arg *);
1003 void     region_containment(struct ws_win *, struct swm_region *, int);
1004 struct swm_region       *region_under(struct swm_screen *, int, int);
1005 void     regionize(struct ws_win *, int, int);
1006 void     resize(struct ws_win *, union arg *);
1007 void     resize_step(struct swm_region *, union arg *);
1008 void     restart(struct swm_region *, union arg *);
1009 struct swm_region       *root_to_region(xcb_window_t, int);
1010 void     screenchange(xcb_randr_screen_change_notify_event_t *);
1011 void     scan_xrandr(int);
1012 void     search_do_resp(void);
1013 void     search_resp_name_workspace(const char *, size_t);
1014 void     search_resp_search_window(const char *);
1015 void     search_resp_search_workspace(const char *);
1016 void     search_resp_uniconify(const char *, size_t);
1017 void     search_win(struct swm_region *, union arg *);
1018 void     search_win_cleanup(void);
1019 void     search_workspace(struct swm_region *, union arg *);
1020 void     send_to_rg(struct swm_region *, union arg *);
1021 void     send_to_ws(struct swm_region *, union arg *);
1022 void     set_region(struct swm_region *);
1023 int      setautorun(char *, char *, int);
1024 int      setconfbinding(char *, char *, int);
1025 int      setconfcolor(char *, char *, int);
1026 int      setconfmodkey(char *, char *, int);
1027 int      setconfquirk(char *, char *, int);
1028 int      setconfregion(char *, char *, int);
1029 int      setconfspawn(char *, char *, int);
1030 int      setconfvalue(char *, char *, int);
1031 void     setkeybinding(unsigned int, KeySym, enum keyfuncid, const char *);
1032 int      setkeymapping(char *, char *, int);
1033 int      setlayout(char *, char *, int);
1034 void     setquirk(const char *, const char *, unsigned long);
1035 void     setscreencolor(char *, int, int);
1036 void     setspawn(const char *, const char *, int);
1037 void     setup_ewmh(void);
1038 void     setup_globals(void);
1039 void     setup_keys(void);
1040 void     setup_quirks(void);
1041 void     setup_screens(void);
1042 void     setup_spawn(void);
1043 void     set_child_transient(struct ws_win *, xcb_window_t *);
1044 void     set_swm_iconic(struct ws_win *, int);
1045 void     set_win_state(struct ws_win *, uint16_t);
1046 void     shutdown_cleanup(void);
1047 void     sighdlr(int);
1048 void     socket_setnonblock(int);
1049 void     sort_windows(struct ws_win_list *);
1050 void     spawn(int, union arg *, int);
1051 void     spawn_custom(struct swm_region *, union arg *, const char *);
1052 int      spawn_expand(struct swm_region *, union arg *, const char *, char ***);
1053 void     spawn_insert(const char *, const char *, int);
1054 struct spawn_prog       *spawn_find(const char *);
1055 void     spawn_remove(struct spawn_prog *);
1056 void     spawn_replace(struct spawn_prog *, const char *, const char *, int);
1057 void     spawn_select(struct swm_region *, union arg *, const char *, int *);
1058 void     stack_config(struct swm_region *, union arg *);
1059 void     stack_floater(struct ws_win *, struct swm_region *);
1060 void     stack_master(struct workspace *, struct swm_geometry *, int, int);
1061 void     store_float_geom(struct ws_win *);
1062 char    *strdupsafe(const char *);
1063 void     swapwin(struct swm_region *, union arg *);
1064 void     switchws(struct swm_region *, union arg *);
1065 void     teardown_ewmh(void);
1066 void     unfocus_win(struct ws_win *);
1067 void     uniconify(struct swm_region *, union arg *);
1068 void     unmanage_window(struct ws_win *);
1069 void     unmapnotify(xcb_unmap_notify_event_t *);
1070 void     unmap_all(void);
1071 void     unmap_window(struct ws_win *);
1072 void     updatenumlockmask(void);
1073 void     update_modkey(unsigned int);
1074 void     update_window(struct ws_win *);
1075 void     validate_spawns(void);
1076 int      validate_win(struct ws_win *);
1077 int      validate_ws(struct workspace *);
1078 /*void   visibilitynotify(xcb_visibility_notify_event_t *);*/
1079 void     version(struct swm_region *, union arg *);
1080 void     win_to_ws(struct ws_win *, int, int);
1081 pid_t    window_get_pid(xcb_window_t);
1082 void     wkill(struct swm_region *, union arg *);
1083 void     workaround(void);
1084 void     xft_init(struct swm_region *);
1085 void     _add_startup_exception(const char *, va_list);
1086 void     add_startup_exception(const char *, ...);
1087
1088 RB_PROTOTYPE(key_tree, key, entry, key_cmp);
1089 RB_GENERATE(key_tree, key, entry, key_cmp);
1090 struct key_tree                 keys;
1091
1092 void
1093 cursors_load(void)
1094 {
1095         xcb_font_t      cf = XCB_NONE;
1096         int             i;
1097
1098         for (i = 0; i < LENGTH(cursors); ++i) {
1099                 /* try to load Xcursor first. */
1100                 cursors[i].cid = XcursorLibraryLoadCursor(display,
1101                     cursors[i].name);
1102
1103                 /* fallback to cursorfont. */
1104                 if (cursors[i].cid == XCB_CURSOR_NONE) {
1105                         if (cf == XCB_NONE) {
1106                                 cf = xcb_generate_id(conn);
1107                                 xcb_open_font(conn, cf, strlen("cursor"),
1108                                     "cursor");
1109                         }
1110
1111                         cursors[i].cid = xcb_generate_id(conn);
1112                         xcb_create_glyph_cursor(conn, cursors[i].cid, cf, cf,
1113                             cursors[i].cf_char, cursors[i].cf_char + 1, 0, 0, 0,
1114                             0xffff, 0xffff, 0xffff);
1115
1116                 }
1117         }
1118
1119         if (cf != XCB_NONE)
1120                 xcb_close_font(conn, cf);
1121 }
1122
1123 void
1124 cursors_cleanup(void)
1125 {
1126         int     i;
1127         for (i = 0; i < LENGTH(cursors); ++i)
1128                 xcb_free_cursor(conn, cursors[i].cid);
1129 }
1130
1131 char *
1132 expand_tilde(const char *s)
1133 {
1134         struct passwd           *ppwd;
1135         int                     i;
1136         long                    max;
1137         char                    *user;
1138         const char              *sc = s;
1139         char                    *result;
1140
1141         if (s == NULL)
1142                 errx(1, "expand_tilde: NULL string.");
1143
1144         if (s[0] != '~') {
1145                 result = strdup(sc);
1146                 goto out;
1147         }
1148
1149         ++s;
1150
1151         if ((max = sysconf(_SC_LOGIN_NAME_MAX)) == -1)
1152                 errx(1, "expand_tilde: sysconf");
1153
1154         if ((user = calloc(1, max + 1)) == NULL)
1155                 errx(1, "expand_tilde: calloc");
1156
1157         for (i = 0; s[i] != '/' && s[i] != '\0'; ++i)
1158                 user[i] = s[i];
1159         user[i] = '\0';
1160         s = &s[i];
1161
1162         ppwd = strlen(user) == 0 ? getpwuid(getuid()) : getpwnam(user);
1163         free(user);
1164
1165         if (ppwd == NULL)
1166                 result = strdup(sc);
1167         else
1168                 if (asprintf(&result, "%s%s", ppwd->pw_dir, s) == -1)
1169                         result = NULL;
1170 out:
1171         if (result == NULL)
1172                 errx(1, "expand_tilde: failed to allocate memory.");
1173
1174         return result;
1175 }
1176
1177 int
1178 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
1179 {
1180         unsigned int    tmpr, tmpg, tmpb;
1181
1182         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
1183                 return (-1);
1184
1185         *rr = RGB_8_TO_16(tmpr);
1186         *gg = RGB_8_TO_16(tmpg);
1187         *bb = RGB_8_TO_16(tmpb);
1188
1189         return (0);
1190 }
1191
1192 xcb_screen_t *
1193 get_screen(int screen)
1194 {
1195         const xcb_setup_t       *r;
1196         xcb_screen_iterator_t   iter;
1197
1198         if ((r = xcb_get_setup(conn)) == NULL) {
1199                 DNPRINTF(SWM_D_MISC, "get_screen: xcb_get_setup\n");
1200                 check_conn();
1201         }
1202
1203         iter = xcb_setup_roots_iterator(r);
1204         for (; iter.rem; --screen, xcb_screen_next(&iter))
1205                 if (screen == 0)
1206                         return (iter.data);
1207
1208         return (NULL);
1209 }
1210
1211 int
1212 get_screen_count(void)
1213 {
1214         const xcb_setup_t       *r;
1215
1216         if ((r = xcb_get_setup(conn)) == NULL) {
1217                 DNPRINTF(SWM_D_MISC, "get_screen_count: xcb_get_setup\n");
1218                 check_conn();
1219         }
1220
1221         return xcb_setup_roots_length(r);
1222 }
1223
1224 int
1225 get_region_index(struct swm_region *r)
1226 {
1227         struct swm_region       *rr;
1228         int                      ridx = 0;
1229
1230         if (r == NULL)
1231                 return -1;
1232
1233         TAILQ_FOREACH(rr, &r->s->rl, entry) {
1234                 if (rr == r)
1235                         break;
1236                 ++ridx;
1237         }
1238
1239         if (rr == NULL)
1240                 return -1;
1241
1242         return ridx;
1243 }
1244
1245 void
1246 focus_flush(void)
1247 {
1248         if (focus_mode == SWM_FOCUS_DEFAULT)
1249                 event_drain(XCB_ENTER_NOTIFY);
1250         else
1251                 xcb_flush(conn);
1252 }
1253
1254 xcb_atom_t
1255 get_atom_from_string(const char *str)
1256 {
1257         xcb_intern_atom_cookie_t        c;
1258         xcb_intern_atom_reply_t         *r;
1259         xcb_atom_t                      atom;
1260
1261         c = xcb_intern_atom(conn, 0, strlen(str), str);
1262         r = xcb_intern_atom_reply(conn, c, NULL);
1263         if (r) {
1264                 atom = r->atom;
1265                 free(r);
1266
1267                 return (atom);
1268         }
1269
1270         return (XCB_ATOM_NONE);
1271 }
1272
1273 void
1274 set_swm_iconic(struct ws_win *win, int newv)
1275 {
1276         int32_t                         v = newv;
1277
1278         win->iconic = newv;
1279
1280         if (newv)
1281                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1282                     a_swm_iconic, XCB_ATOM_INTEGER, 32, 1, &v);
1283         else
1284                 xcb_delete_property(conn, win->id, a_swm_iconic);
1285 }
1286
1287 int32_t
1288 get_swm_iconic(struct ws_win *win)
1289 {
1290         int32_t                         v = 0;
1291         xcb_get_property_reply_t        *pr = NULL;
1292
1293         pr = xcb_get_property_reply(conn,
1294             xcb_get_property(conn, 0, win->id, a_swm_iconic,
1295             XCB_ATOM_INTEGER, 0, 1), NULL);
1296         if (!pr)
1297                 goto out;
1298         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
1299                 goto out;
1300         v = *((int32_t *)xcb_get_property_value(pr));
1301 out:
1302         if (pr)
1303                 free(pr);
1304         return (v);
1305 }
1306
1307 void
1308 setup_ewmh(void)
1309 {
1310         xcb_atom_t                      sup_list;
1311         int                             i, j, num_screens;
1312
1313         sup_list = get_atom_from_string("_NET_SUPPORTED");
1314
1315         for (i = 0; i < LENGTH(ewmh); i++)
1316                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
1317
1318         num_screens = get_screen_count();
1319         for (i = 0; i < num_screens; i++) {
1320                 /* Support check window will be created by workaround(). */
1321
1322                 /* Report supported atoms */
1323                 xcb_delete_property(conn, screens[i].root, sup_list);
1324                 for (j = 0; j < LENGTH(ewmh); j++)
1325                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
1326                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
1327                             &ewmh[j].atom);
1328         }
1329 }
1330
1331 void
1332 teardown_ewmh(void)
1333 {
1334         int                             i, num_screens;
1335         xcb_atom_t                      sup_check, sup_list;
1336         xcb_window_t                    id;
1337         xcb_get_property_cookie_t       pc;
1338         xcb_get_property_reply_t        *pr;
1339
1340         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
1341         sup_list = get_atom_from_string("_NET_SUPPORTED");
1342         num_screens = get_screen_count();
1343
1344         for (i = 0; i < num_screens; i++) {
1345                 /* Get the support check window and destroy it */
1346                 pc = xcb_get_property(conn, 0, screens[i].root, sup_check,
1347                     XCB_ATOM_WINDOW, 0, 1);
1348                 pr = xcb_get_property_reply(conn, pc, NULL);
1349                 if (!pr)
1350                         continue;
1351                 if (pr->format == sup_check) {
1352                         id = *((xcb_window_t *)xcb_get_property_value(pr));
1353
1354                         xcb_destroy_window(conn, id);
1355                         xcb_delete_property(conn, screens[i].root, sup_check);
1356                         xcb_delete_property(conn, screens[i].root, sup_list);
1357                 }
1358                 free(pr);
1359         }
1360 }
1361
1362 void
1363 ewmh_autoquirk(struct ws_win *win)
1364 {
1365         uint32_t                i, n;
1366         xcb_atom_t              *type;
1367         xcb_get_property_cookie_t       c;
1368         xcb_get_property_reply_t        *r;
1369
1370         c = xcb_get_property(conn, 0, win->id,
1371             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
1372         r = xcb_get_property_reply(conn, c, NULL);
1373         if (!r)
1374                 return;
1375
1376         n = xcb_get_property_value_length(r);
1377         type = xcb_get_property_value(r);
1378
1379         for (i = 0; i < n; i++) {
1380                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
1381                         break;
1382                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
1383                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
1384                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
1385                         win->floating = 1;
1386                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
1387                         break;
1388                 }
1389                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
1390                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
1391                         win->floating = 1;
1392                         win->quirks = SWM_Q_FLOAT;
1393                         break;
1394                 }
1395         }
1396         free(r);
1397 }
1398
1399 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
1400 #define EWMH_F_FULLSCREEN               (1<<0)
1401 #define EWMH_F_ABOVE                    (1<<1)
1402 #define EWMH_F_HIDDEN                   (1<<2)
1403 #define EWMH_F_SKIP_PAGER               (1<<3)
1404 #define EWMH_F_SKIP_TASKBAR             (1<<4)
1405 #define SWM_F_MANUAL                    (1<<5)
1406
1407 int
1408 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
1409 {
1410         if (!win->ws->r)
1411                 return (0);
1412
1413         if (!win->floating)
1414                 return (0);
1415
1416         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
1417             "fullscreen %s\n", win->id, YESNO(fs));
1418
1419         if (fs) {
1420                 if (!win->g_floatvalid)
1421                         store_float_geom(win);
1422
1423                 win->g = win->ws->r->g;
1424                 win->bordered = 0;
1425         } else {
1426                 load_float_geom(win);
1427         }
1428
1429         return (1);
1430 }
1431
1432 void
1433 ewmh_update_actions(struct ws_win *win)
1434 {
1435         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
1436         int                     n = 0;
1437
1438         if (win == NULL)
1439                 return;
1440
1441         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
1442
1443         if (win->floating) {
1444                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
1445                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
1446                 actions[n++] = ewmh[_NET_WM_ACTION_ABOVE].atom;
1447         }
1448
1449         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1450             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
1451 }
1452
1453 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
1454 #define _NET_WM_STATE_ADD       1    /* add/set property */
1455 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
1456
1457 void
1458 ewmh_update_win_state(struct ws_win *win, xcb_atom_t state, long action)
1459 {
1460         unsigned int            mask = 0;
1461         unsigned int            changed = 0;
1462         unsigned int            orig_flags;
1463
1464         if (win == NULL)
1465                 return;
1466
1467         DNPRINTF(SWM_D_PROP, "ewmh_update_win_state: window: 0x%x, state: %ld, "
1468             "action: %ld\n", win->id, (unsigned long)state, action);
1469
1470         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1471                 mask = EWMH_F_FULLSCREEN;
1472         else if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
1473                 mask = EWMH_F_ABOVE;
1474         else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1475                 mask = SWM_F_MANUAL;
1476         else if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
1477                 mask = EWMH_F_SKIP_PAGER;
1478         else if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
1479                 mask = EWMH_F_SKIP_TASKBAR;
1480
1481         orig_flags = win->ewmh_flags;
1482
1483         switch (action) {
1484         case _NET_WM_STATE_REMOVE:
1485                 win->ewmh_flags &= ~mask;
1486                 break;
1487         case _NET_WM_STATE_ADD:
1488                 win->ewmh_flags |= mask;
1489                 break;
1490         case _NET_WM_STATE_TOGGLE:
1491                 win->ewmh_flags ^= mask;
1492                 break;
1493         }
1494
1495         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
1496
1497         if (state == ewmh[_NET_WM_STATE_ABOVE].atom) {
1498                 if (changed && !floating_toggle_win(win))
1499                                 win->ewmh_flags = orig_flags; /* revert */
1500         } else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom) {
1501                 if (changed)
1502                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
1503         } else if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom) {
1504                 if (changed && !ewmh_set_win_fullscreen(win,
1505                             win->ewmh_flags & EWMH_F_FULLSCREEN))
1506                                 win->ewmh_flags = orig_flags; /* revert */
1507         }
1508
1509         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
1510
1511         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
1512                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1513                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1514                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
1515         else if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1516                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1517                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1518                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1519         else if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1520                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1521                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1522                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1523         else if (win->ewmh_flags & EWMH_F_ABOVE)
1524                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1525                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1526                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1527         else if (win->ewmh_flags & SWM_F_MANUAL)
1528                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1529                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1530                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1531 }
1532
1533 void
1534 ewmh_get_win_state(struct ws_win *win)
1535 {
1536         xcb_atom_t                      *states;
1537         xcb_get_property_cookie_t       c;
1538         xcb_get_property_reply_t        *r;
1539         int                             i, n;
1540
1541         if (win == NULL)
1542                 return;
1543
1544         win->ewmh_flags = 0;
1545         if (win->floating)
1546                 win->ewmh_flags |= EWMH_F_ABOVE;
1547         if (win->manual)
1548                 win->ewmh_flags |= SWM_F_MANUAL;
1549
1550         c = xcb_get_property(conn, 0, win->id, ewmh[_NET_WM_STATE].atom,
1551             XCB_ATOM_ATOM, 0, UINT32_MAX);
1552         r = xcb_get_property_reply(conn, c, NULL);
1553         if (!r)
1554                 return;
1555
1556         states = xcb_get_property_value(r);
1557         n = xcb_get_property_value_length(r);
1558
1559         for (i = 0; i < n; i++)
1560                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1561
1562         free(r);
1563 }
1564
1565 /* events */
1566 #ifdef SWM_DEBUG
1567 void
1568 dumpwins(struct swm_region *r, union arg *args)
1569 {
1570         struct ws_win                           *win;
1571         uint32_t                                state;
1572         xcb_get_window_attributes_cookie_t      c;
1573         xcb_get_window_attributes_reply_t       *wa;
1574
1575         /* suppress unused warning since var is needed */
1576         (void)args;
1577
1578         if (r->ws == NULL) {
1579                 warnx("dumpwins: invalid workspace");
1580                 return;
1581         }
1582
1583         warnx("=== managed window list ws %02d ===", r->ws->idx);
1584         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1585                 state = getstate(win->id);
1586                 c = xcb_get_window_attributes(conn, win->id);
1587                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1588                 if (wa) {
1589                         warnx("window: 0x%x, map_state: %d, state: %u, "
1590                             "transient: 0x%x", win->id, wa->map_state,
1591                             state, win->transient);
1592                         free(wa);
1593                 } else
1594                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1595                             win->id);
1596         }
1597
1598         warnx("===== unmanaged window list =====");
1599         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1600                 state = getstate(win->id);
1601                 c = xcb_get_window_attributes(conn, win->id);
1602                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1603                 if (wa) {
1604                         warnx("window: 0x%x, map_state: %d, state: %u, "
1605                             "transient: 0x%x", win->id, wa->map_state,
1606                             state, win->transient);
1607                         free(wa);
1608                 } else
1609                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1610                             win->id);
1611         }
1612
1613         warnx("=================================");
1614 }
1615 #else
1616 void
1617 dumpwins(struct swm_region *r, union arg *s)
1618 {
1619         (void)r;
1620         (void)s;
1621 }
1622 #endif /* SWM_DEBUG */
1623
1624 void
1625 sighdlr(int sig)
1626 {
1627         int                     saved_errno, status;
1628         pid_t                   pid;
1629
1630         saved_errno = errno;
1631
1632         switch (sig) {
1633         case SIGCHLD:
1634                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1635                         if (pid == -1) {
1636                                 if (errno == EINTR)
1637                                         continue;
1638 #ifdef SWM_DEBUG
1639                                 if (errno != ECHILD)
1640                                         warn("sighdlr: waitpid");
1641 #endif /* SWM_DEBUG */
1642                                 break;
1643                         }
1644                         if (pid == searchpid)
1645                                 search_resp = 1;
1646
1647 #ifdef SWM_DEBUG
1648                         if (WIFEXITED(status)) {
1649                                 if (WEXITSTATUS(status) != 0)
1650                                         warnx("sighdlr: child exit status: %d",
1651                                             WEXITSTATUS(status));
1652                         } else
1653                                 warnx("sighdlr: child is terminated "
1654                                     "abnormally");
1655 #endif /* SWM_DEBUG */
1656                 }
1657                 break;
1658
1659         case SIGHUP:
1660                 restart_wm = 1;
1661                 break;
1662         case SIGINT:
1663         case SIGTERM:
1664         case SIGQUIT:
1665                 running = 0;
1666                 break;
1667         }
1668
1669         errno = saved_errno;
1670 }
1671
1672 struct pid_e *
1673 find_pid(pid_t pid)
1674 {
1675         struct pid_e            *p = NULL;
1676
1677         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1678
1679         if (pid == 0)
1680                 return (NULL);
1681
1682         TAILQ_FOREACH(p, &pidlist, entry) {
1683                 if (p->pid == pid)
1684                         return (p);
1685         }
1686
1687         return (NULL);
1688 }
1689
1690 uint32_t
1691 name_to_pixel(int sidx, const char *colorname)
1692 {
1693         uint32_t                        result = 0;
1694         char                            cname[32] = "#";
1695         xcb_screen_t                    *screen;
1696         xcb_colormap_t                  cmap;
1697         xcb_alloc_color_reply_t         *cr;
1698         xcb_alloc_named_color_reply_t   *nr;
1699         uint16_t                        rr, gg, bb;
1700
1701         screen = get_screen(sidx);
1702         cmap = screen->default_colormap;
1703
1704         /* color is in format rgb://rr/gg/bb */
1705         if (strncmp(colorname, "rgb:", 4) == 0) {
1706                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1707                         warnx("could not parse rgb %s", colorname);
1708                 else {
1709                         cr = xcb_alloc_color_reply(conn,
1710                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1711                             NULL);
1712                         if (cr) {
1713                                 result = cr->pixel;
1714                                 free(cr);
1715                         } else
1716                                 warnx("color '%s' not found", colorname);
1717                 }
1718         } else {
1719                 nr = xcb_alloc_named_color_reply(conn,
1720                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1721                             colorname), NULL);
1722                 if (!nr) {
1723                         strlcat(cname, colorname + 2, sizeof cname - 1);
1724                         nr = xcb_alloc_named_color_reply(conn,
1725                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1726                             cname), NULL);
1727                 }
1728                 if (nr) {
1729                         result = nr->pixel;
1730                         free(nr);
1731                 } else
1732                         warnx("color '%s' not found", colorname);
1733         }
1734
1735         return (result);
1736 }
1737
1738 void
1739 setscreencolor(char *val, int i, int c)
1740 {
1741         int     num_screens;
1742
1743         num_screens = get_screen_count();
1744         if (i > 0 && i <= num_screens) {
1745                 screens[i - 1].c[c].pixel = name_to_pixel(i - 1, val);
1746                 free(screens[i - 1].c[c].name);
1747                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1748                         err(1, "strdup");
1749         } else if (i == -1) {
1750                 for (i = 0; i < num_screens; i++) {
1751                         screens[i].c[c].pixel = name_to_pixel(0, val);
1752                         free(screens[i].c[c].name);
1753                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1754                                 err(1, "strdup");
1755                 }
1756         } else
1757                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1758                     i, num_screens);
1759 }
1760
1761 void
1762 fancy_stacker(struct workspace *ws)
1763 {
1764         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1765         if (ws->cur_layout->l_stack == vertical_stack)
1766                 snprintf(ws->stacker, sizeof ws->stacker,
1767                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1768                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1769         if (ws->cur_layout->l_stack == horizontal_stack)
1770                 snprintf(ws->stacker, sizeof ws->stacker,
1771                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1772                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1773 }
1774
1775 void
1776 plain_stacker(struct workspace *ws)
1777 {
1778         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1779         if (ws->cur_layout->l_stack == vertical_stack)
1780                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1781                     sizeof ws->stacker);
1782         if (ws->cur_layout->l_stack == horizontal_stack)
1783                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1784                     sizeof ws->stacker);
1785 }
1786
1787 void
1788 custom_region(char *val)
1789 {
1790         unsigned int                    x, y, w, h;
1791         int                             sidx, num_screens;
1792         xcb_screen_t                    *screen;
1793
1794         num_screens = get_screen_count();
1795         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1796                 errx(1, "invalid custom region, "
1797                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1798         if (sidx < 1 || sidx > num_screens)
1799                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1800                     sidx, num_screens);
1801         sidx--;
1802
1803         if ((screen = get_screen(sidx)) == NULL)
1804                 errx(1, "ERROR: can't get screen %d.", sidx);
1805
1806         if (w < 1 || h < 1)
1807                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1808
1809         if (x > screen->width_in_pixels ||
1810             y > screen->height_in_pixels ||
1811             w + x > screen->width_in_pixels ||
1812             h + y > screen->height_in_pixels) {
1813                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1814                     "boundaries (%ux%u)", w, h, x, y,
1815                     screen->width_in_pixels, screen->height_in_pixels);
1816                 return;
1817         }
1818
1819         new_region(&screens[sidx], x, y, w, h);
1820 }
1821
1822 void
1823 socket_setnonblock(int fd)
1824 {
1825         int                     flags;
1826
1827         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1828                 err(1, "fcntl F_GETFL");
1829         flags |= O_NONBLOCK;
1830         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1831                 err(1, "fcntl F_SETFL");
1832 }
1833
1834 void
1835 bar_print_legacy(struct swm_region *r, const char *s)
1836 {
1837         xcb_rectangle_t         rect;
1838         uint32_t                gcv[1];
1839         XGCValues               gcvd;
1840         int                     x = 0;
1841         size_t                  len;
1842         XRectangle              ibox, lbox;
1843         GC                      draw;
1844
1845         len = strlen(s);
1846         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1847
1848         switch (bar_justify) {
1849         case SWM_BAR_JUSTIFY_LEFT:
1850                 x = SWM_BAR_OFFSET;
1851                 break;
1852         case SWM_BAR_JUSTIFY_CENTER:
1853                 x = (WIDTH(r) - lbox.width) / 2;
1854                 break;
1855         case SWM_BAR_JUSTIFY_RIGHT:
1856                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1857                 break;
1858         }
1859
1860         if (x < SWM_BAR_OFFSET)
1861                 x = SWM_BAR_OFFSET;
1862
1863         rect.x = 0;
1864         rect.y = 0;
1865         rect.width = WIDTH(r->bar);
1866         rect.height = HEIGHT(r->bar);
1867
1868         /* clear back buffer */
1869         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1870         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1871         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1872
1873         /* draw back buffer */
1874         gcvd.graphics_exposures = 0;
1875         draw = XCreateGC(display, r->bar->buffer, GCGraphicsExposures, &gcvd);
1876         XSetForeground(display, draw, r->s->c[SWM_S_COLOR_BAR_FONT].pixel);
1877         DRAWSTRING(display, r->bar->buffer, bar_fs, draw,
1878             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1879             lbox.y, s, len);
1880         XFreeGC(display, draw);
1881
1882         /* blt */
1883         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1884             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1885 }
1886
1887 void
1888 bar_print(struct swm_region *r, const char *s)
1889 {
1890         size_t                          len;
1891         xcb_rectangle_t                 rect;
1892         uint32_t                        gcv[1];
1893         int32_t                         x = 0;
1894         XGlyphInfo                      info;
1895         XftDraw                         *draw;
1896
1897         len = strlen(s);
1898
1899         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
1900
1901         switch (bar_justify) {
1902         case SWM_BAR_JUSTIFY_LEFT:
1903                 x = SWM_BAR_OFFSET;
1904                 break;
1905         case SWM_BAR_JUSTIFY_CENTER:
1906                 x = (WIDTH(r) - info.width) / 2;
1907                 break;
1908         case SWM_BAR_JUSTIFY_RIGHT:
1909                 x = WIDTH(r) - info.width - SWM_BAR_OFFSET;
1910                 break;
1911         }
1912
1913         if (x < SWM_BAR_OFFSET)
1914                 x = SWM_BAR_OFFSET;
1915
1916         rect.x = 0;
1917         rect.y = 0;
1918         rect.width = WIDTH(r->bar);
1919         rect.height = HEIGHT(r->bar);
1920
1921         /* clear back buffer */
1922         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1923         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1924         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1925
1926         /* draw back buffer */
1927         draw = XftDrawCreate(display, r->bar->buffer,
1928             DefaultVisual(display, r->s->idx),
1929             DefaultColormap(display, r->s->idx));
1930
1931         XftDrawStringUtf8(draw, &bar_font_color, bar_font, x,
1932             (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
1933             (FcChar8 *)s, len);
1934
1935         XftDrawDestroy(draw);
1936
1937         /* blt */
1938         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1939             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1940 }
1941
1942 void
1943 bar_extra_stop(void)
1944 {
1945         if (bar_pipe[0]) {
1946                 close(bar_pipe[0]);
1947                 bzero(bar_pipe, sizeof bar_pipe);
1948         }
1949         if (bar_pid) {
1950                 kill(bar_pid, SIGTERM);
1951                 bar_pid = 0;
1952         }
1953         strlcpy(bar_ext, "", sizeof bar_ext);
1954         bar_extra = 0;
1955 }
1956
1957 void
1958 bar_class_name(char *s, size_t sz, struct swm_region *r)
1959 {
1960         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1961                 return;
1962         if (r->ws->focus->ch.class_name != NULL)
1963                 strlcat(s, r->ws->focus->ch.class_name, sz);
1964 }
1965
1966 void
1967 bar_title_name(char *s, size_t sz, struct swm_region *r)
1968 {
1969         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1970                 return;
1971         if (r->ws->focus->ch.instance_name != NULL)
1972                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1973 }
1974
1975 void
1976 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1977 {
1978         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1979                 return;
1980
1981         bar_class_name(s, sz, r);
1982         strlcat(s, ":", sz);
1983         bar_title_name(s, sz, r);
1984 }
1985
1986 void
1987 bar_window_float(char *s, size_t sz, struct swm_region *r)
1988 {
1989         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1990                 return;
1991         if (r->ws->focus->floating)
1992                 strlcat(s, "(f)", sz);
1993 }
1994
1995 void
1996 bar_window_name(char *s, size_t sz, struct swm_region *r)
1997 {
1998         char            *title;
1999
2000         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
2001                 return;
2002         if ((title = get_win_name(r->ws->focus->id)) == NULL)
2003                 return;
2004
2005         strlcat(s, title, sz);
2006         free(title);
2007 }
2008
2009 void
2010 bar_urgent(char *s, size_t sz)
2011 {
2012         struct ws_win           *win;
2013         int                     i, j, num_screens;
2014         int                     urgent[SWM_WS_MAX];
2015         char                    b[8];
2016         xcb_get_property_cookie_t       c;
2017         xcb_icccm_wm_hints_t    hints;
2018
2019         for (i = 0; i < workspace_limit; i++)
2020                 urgent[i] = 0;
2021
2022         num_screens = get_screen_count();
2023         for (i = 0; i < num_screens; i++)
2024                 for (j = 0; j < workspace_limit; j++)
2025                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
2026                                 c = xcb_icccm_get_wm_hints(conn, win->id);
2027                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
2028                                     &hints, NULL) == 0)
2029                                         continue;
2030                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
2031                                         urgent[j] = 1;
2032                         }
2033
2034         for (i = 0; i < workspace_limit; i++) {
2035                 if (urgent[i])
2036                         snprintf(b, sizeof b, "%d ", i + 1);
2037                 else
2038                         snprintf(b, sizeof b, "- ");
2039                 strlcat(s, b, sz);
2040         }
2041 }
2042
2043 void
2044 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
2045 {
2046         if (r == NULL || r->ws == NULL)
2047                 return;
2048         if (r->ws->name != NULL)
2049                 strlcat(s, r->ws->name, sz);
2050 }
2051
2052 /* build the default bar format according to the defined enabled options */
2053 void
2054 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
2055 {
2056         /* if format provided, just copy the buffers */
2057         if (bar_format != NULL) {
2058                 strlcpy(fmtnew, fmtexp, sz);
2059                 return;
2060         }
2061
2062         /* reset the output buffer */
2063         *fmtnew = '\0';
2064
2065         strlcat(fmtnew, "+N:+I ", sz);
2066         if (stack_enabled)
2067                 strlcat(fmtnew, "+S", sz);
2068         strlcat(fmtnew, " ", sz);
2069
2070         /* only show the workspace name if there's actually one */
2071         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
2072                 strlcat(fmtnew, "<+D>", sz);
2073         strlcat(fmtnew, "+3<", sz);
2074
2075         if (clock_enabled) {
2076                 strlcat(fmtnew, fmtexp, sz);
2077                 strlcat(fmtnew, "+4<", sz);
2078         }
2079
2080         /* bar_urgent already adds the space before the last asterisk */
2081         if (urgent_enabled)
2082                 strlcat(fmtnew, "* +U*+4<", sz);
2083
2084         if (title_class_enabled) {
2085                 strlcat(fmtnew, "+C", sz);
2086                 if (!title_name_enabled)
2087                         strlcat(fmtnew, "+4<", sz);
2088         }
2089
2090         /* checks needed by the colon and floating strlcat(3) calls below */
2091         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
2092                 if (title_name_enabled) {
2093                         if (title_class_enabled)
2094                                 strlcat(fmtnew, ":", sz);
2095                         strlcat(fmtnew, "+T+4<", sz);
2096                 }
2097                 if (window_name_enabled) {
2098                         if (r->ws->focus->floating)
2099                                 strlcat(fmtnew, "+F ", sz);
2100                         strlcat(fmtnew, "+64W ", sz);
2101                 }
2102         }
2103
2104         /* finally add the action script output and the version */
2105         strlcat(fmtnew, "+4<+A+4<+V", sz);
2106 }
2107
2108 void
2109 bar_replace_pad(char *tmp, int *limit, size_t sz)
2110 {
2111         /* special case; no limit given, pad one space, instead */
2112         if (*limit == (int)sz - 1)
2113                 *limit = 1;
2114         snprintf(tmp, sz, "%*s", *limit, " ");
2115 }
2116
2117 /* replaces the bar format character sequences (like in tmux(1)) */
2118 char *
2119 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
2120     size_t sz)
2121 {
2122         char                    *ptr;
2123         char                    tmp[SWM_BAR_MAX];
2124         int                     limit, size;
2125         size_t                  len;
2126
2127         /* reset strlcat(3) buffer */
2128         *tmp = '\0';
2129
2130         /* get number, if any */
2131         fmt++;
2132         size = 0;
2133         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
2134                 limit = sizeof tmp - 1;
2135         if (limit <= 0 || limit >= (int)sizeof tmp)
2136                 limit = sizeof tmp - 1;
2137
2138         /* there is nothing to replace (ie EOL) */
2139         fmt += size;
2140         if (*fmt == '\0')
2141                 return (fmt);
2142
2143         switch (*fmt) {
2144         case '<':
2145                 bar_replace_pad(tmp, &limit, sizeof tmp);
2146                 break;
2147         case 'A':
2148                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
2149                 break;
2150         case 'C':
2151                 bar_class_name(tmp, sizeof tmp, r);
2152                 break;
2153         case 'D':
2154                 bar_workspace_name(tmp, sizeof tmp, r);
2155                 break;
2156         case 'F':
2157                 bar_window_float(tmp, sizeof tmp, r);
2158                 break;
2159         case 'I':
2160                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
2161                 break;
2162         case 'N':
2163                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
2164                 break;
2165         case 'P':
2166                 bar_class_title_name(tmp, sizeof tmp, r);
2167                 break;
2168         case 'S':
2169                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
2170                 break;
2171         case 'T':
2172                 bar_title_name(tmp, sizeof tmp, r);
2173                 break;
2174         case 'U':
2175                 bar_urgent(tmp, sizeof tmp);
2176                 break;
2177         case 'V':
2178                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
2179                 break;
2180         case 'W':
2181                 bar_window_name(tmp, sizeof tmp, r);
2182                 break;
2183         default:
2184                 /* unknown character sequence; copy as-is */
2185                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
2186                 break;
2187         }
2188
2189         len = strlen(tmp);
2190         ptr = tmp;
2191         if ((int)len < limit)
2192                 limit = len;
2193         while (limit-- > 0) {
2194                 if (*offrep >= sz - 1)
2195                         break;
2196                 fmtrep[(*offrep)++] = *ptr++;
2197         }
2198
2199         fmt++;
2200         return (fmt);
2201 }
2202
2203 void
2204 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
2205 {
2206         size_t                  off;
2207
2208         off = 0;
2209         while (*fmt != '\0') {
2210                 if (*fmt != '+') {
2211                         /* skip ordinary characters */
2212                         if (off >= sz - 1)
2213                                 break;
2214                         fmtrep[off++] = *fmt++;
2215                         continue;
2216                 }
2217
2218                 /* character sequence found; replace it */
2219                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
2220                 if (off >= sz - 1)
2221                         break;
2222         }
2223
2224         fmtrep[off] = '\0';
2225 }
2226
2227 void
2228 bar_fmt_expand(char *fmtexp, size_t sz)
2229 {
2230         char                    *fmt = NULL;
2231         size_t                  len;
2232         struct tm               tm;
2233         time_t                  tmt;
2234
2235         /* start by grabbing the current time and date */
2236         time(&tmt);
2237         localtime_r(&tmt, &tm);
2238
2239         /* figure out what to expand */
2240         if (bar_format != NULL)
2241                 fmt = bar_format;
2242         else if (bar_format == NULL && clock_enabled)
2243                 fmt = clock_format;
2244         /* if nothing to expand bail out */
2245         if (fmt == NULL) {
2246                 *fmtexp = '\0';
2247                 return;
2248         }
2249
2250         /* copy as-is, just in case the format shouldn't be expanded below */
2251         strlcpy(fmtexp, fmt, sz);
2252         /* finally pass the string through strftime(3) */
2253 #ifndef SWM_DENY_CLOCK_FORMAT
2254         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
2255                 warnx("format too long");
2256         fmtexp[len] = '\0';
2257 #endif
2258 }
2259
2260 /* Redraws the bar; need to follow with xcb_flush() or focus_flush(). */
2261 void
2262 bar_draw(void)
2263 {
2264         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
2265         char                    fmtrep[SWM_BAR_MAX];
2266         int                     i, num_screens;
2267         struct swm_region       *r;
2268
2269         /* expand the format by first passing it through strftime(3) */
2270         bar_fmt_expand(fmtexp, sizeof fmtexp);
2271
2272         num_screens = get_screen_count();
2273         for (i = 0; i < num_screens; i++) {
2274                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2275                         if (r->bar == NULL)
2276                                 continue;
2277
2278                         if (bar_enabled && r->ws->bar_enabled)
2279                                 xcb_map_window(conn, r->bar->id);
2280                         else {
2281                                 xcb_unmap_window(conn, r->bar->id);
2282                                 continue;
2283                         }
2284
2285                         if (startup_exception)
2286                                 snprintf(fmtrep, sizeof fmtrep, "total "
2287                                     "exceptions: %d, first exception: %s",
2288                                     nr_exceptions,
2289                                     startup_exception);
2290                         else {
2291                                 bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
2292                                 bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
2293                         }
2294                         if (bar_font_legacy)
2295                                 bar_print_legacy(r, fmtrep);
2296                         else
2297                                 bar_print(r, fmtrep);
2298                 }
2299         }
2300 }
2301
2302 /*
2303  * Reads external script output; call when stdin is readable.
2304  * Returns 1 if bar_ext was updated; otherwise 0.
2305  */
2306 int
2307 bar_extra_update(void)
2308 {
2309         size_t          len;
2310         char            b[SWM_BAR_MAX];
2311         int             changed = 0;
2312
2313         if (!bar_extra)
2314                 return changed;
2315
2316         while (fgets(b, sizeof(b), stdin) != NULL) {
2317                 if (bar_enabled) {
2318                         len = strlen(b);
2319                         if (b[len - 1] == '\n') {
2320                                 /* Remove newline. */
2321                                 b[--len] = '\0';
2322
2323                                 /* "Clear" bar_ext. */
2324                                 bar_ext[0] = '\0';
2325
2326                                 /* Flush buffered output. */
2327                                 strlcpy(bar_ext, bar_ext_buf, sizeof(bar_ext));
2328                                 bar_ext_buf[0] = '\0';
2329
2330                                 /* Append new output to bar. */
2331                                 strlcat(bar_ext, b, sizeof(bar_ext));
2332
2333                                 changed = 1;
2334                         } else {
2335                                 /* Buffer output. */
2336                                 strlcat(bar_ext_buf, b, sizeof(bar_ext_buf));
2337                         }
2338                 }
2339         }
2340
2341         if (errno != EAGAIN) {
2342                 warn("bar_action failed");
2343                 bar_extra_stop();
2344                 changed = 1;
2345         }
2346
2347         return changed;
2348 }
2349
2350 void
2351 bar_toggle(struct swm_region *r, union arg *args)
2352 {
2353         struct swm_region       *tmpr;
2354         int                     i, num_screens;
2355
2356         /* suppress unused warnings since vars are needed */
2357         (void)r;
2358         (void)args;
2359
2360         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
2361
2362         switch (args->id) {
2363         case SWM_ARG_ID_BAR_TOGGLE_WS:
2364                 /* Only change if master switch is enabled. */
2365                 if (bar_enabled)
2366                         r->ws->bar_enabled = !r->ws->bar_enabled;
2367                 else
2368                         bar_enabled = r->ws->bar_enabled = 1;
2369                 break;
2370         case SWM_ARG_ID_BAR_TOGGLE:
2371                 bar_enabled = !bar_enabled;
2372                 break;
2373         }
2374
2375         /* update bars as necessary */
2376         num_screens = get_screen_count();
2377         for (i = 0; i < num_screens; i++)
2378                 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
2379                         if (tmpr->bar) {
2380                                 if (bar_enabled && tmpr->ws->bar_enabled)
2381                                         xcb_map_window(conn, tmpr->bar->id);
2382                                 else
2383                                         xcb_unmap_window(conn, tmpr->bar->id);
2384                         }
2385
2386         stack();
2387
2388         /* must be after stack */
2389         bar_draw();
2390
2391         focus_flush();
2392 }
2393
2394 void
2395 bar_extra_setup(void)
2396 {
2397         /* do this here because the conf file is in memory */
2398         if (!bar_extra && bar_argv[0]) {
2399                 /* launch external status app */
2400                 bar_extra = 1;
2401                 if (pipe(bar_pipe) == -1)
2402                         err(1, "pipe error");
2403                 socket_setnonblock(bar_pipe[0]);
2404                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
2405
2406                 /* Set stdin to read from the pipe. */
2407                 if (dup2(bar_pipe[0], STDIN_FILENO) == -1)
2408                         err(1, "dup2");
2409
2410                 /* Set stdout to write to the pipe. */
2411                 if (dup2(bar_pipe[1], STDOUT_FILENO) == -1)
2412                         err(1, "dup2");
2413
2414                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
2415                         err(1, "could not disable SIGPIPE");
2416                 switch (bar_pid = fork()) {
2417                 case -1:
2418                         err(1, "cannot fork");
2419                         break;
2420                 case 0: /* child */
2421                         close(bar_pipe[0]);
2422                         execvp(bar_argv[0], bar_argv);
2423                         err(1, "%s external app failed", bar_argv[0]);
2424                         break;
2425                 default: /* parent */
2426                         close(bar_pipe[1]);
2427                         break;
2428                 }
2429
2430                 atexit(kill_bar_extra_atexit);
2431         }
2432 }
2433
2434 void
2435 kill_bar_extra_atexit(void)
2436 {
2437         if (bar_pid)
2438                 kill(bar_pid, SIGTERM);
2439 }
2440
2441 int
2442 isxlfd(char *s)
2443 {
2444         int      count = 0;
2445
2446         while ((s = index(s, '-'))) {
2447                 ++count;
2448                 ++s;
2449         }
2450
2451         return (count == 14);
2452 }
2453
2454 void
2455 fontset_init(void)
2456 {
2457         char                    *default_string;
2458         char                    **missing_charsets;
2459         int                     num_missing_charsets = 0;
2460         int                     i;
2461
2462         if (bar_fs) {
2463                 XFreeFontSet(display, bar_fs);
2464                 bar_fs = NULL;
2465         }
2466
2467         DNPRINTF(SWM_D_INIT, "fontset_init: loading bar_fonts: %s\n", bar_fonts);
2468
2469         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
2470             &num_missing_charsets, &default_string);
2471
2472         if (num_missing_charsets > 0) {
2473                 warnx("Unable to load charset(s):");
2474
2475                 for (i = 0; i < num_missing_charsets; ++i)
2476                         warnx("%s", missing_charsets[i]);
2477
2478                 XFreeStringList(missing_charsets);
2479
2480                 if (strcmp(default_string, ""))
2481                         warnx("Glyphs from those sets will be replaced "
2482                             "by '%s'.", default_string);
2483                 else
2484                         warnx("Glyphs from those sets won't be drawn.");
2485         }
2486
2487         if (bar_fs == NULL)
2488                 errx(1, "Error creating font set structure.");
2489
2490         bar_fs_extents = XExtentsOfFontSet(bar_fs);
2491
2492         bar_height = bar_fs_extents->max_logical_extent.height +
2493             2 * bar_border_width;
2494
2495         if (bar_height < 1)
2496                 bar_height = 1;
2497 }
2498
2499 void
2500 xft_init(struct swm_region *r)
2501 {
2502         char                    *font, *d, *search;
2503         XRenderColor            color;
2504
2505         if (bar_font == NULL) {
2506                 if ((d = strdup(bar_fonts)) == NULL)
2507                         errx(1, "insufficient memory.");
2508                 search = d;
2509                 while ((font = strsep(&search, ",")) != NULL) {
2510                         if (*font == '\0')
2511                                 continue;
2512
2513                         DNPRINTF(SWM_D_INIT, "xft_init: try font %s\n", font);
2514
2515                         if (isxlfd(font)) {
2516                                 bar_font = XftFontOpenXlfd(display, r->s->idx,
2517                                                 font);
2518                         } else {
2519                                 bar_font = XftFontOpenName(display, r->s->idx,
2520                                                 font);
2521                         }
2522
2523                         if (!bar_font) {
2524                                 warnx("unable to load font %s", font);
2525                                 continue;
2526                         } else {
2527                                 DNPRINTF(SWM_D_INIT, "successfully opened "
2528                                     "font %s\n", font);
2529                                 break;
2530                         }
2531                 }
2532                 free(d);
2533         }
2534
2535         if (bar_font == NULL)
2536                 errx(1, "unable to open a font");
2537
2538         PIXEL_TO_XRENDERCOLOR(r->s->c[SWM_S_COLOR_BAR_FONT].pixel, color);
2539
2540         if (!XftColorAllocValue(display, DefaultVisual(display, r->s->idx),
2541             DefaultColormap(display, r->s->idx), &color, &bar_font_color))
2542                 warn("Xft error: unable to allocate color.");
2543
2544         bar_height = bar_font->height + 2 * bar_border_width;
2545
2546         if (bar_height < 1)
2547                 bar_height = 1;
2548 }
2549
2550 void
2551 bar_setup(struct swm_region *r)
2552 {
2553         xcb_screen_t    *screen;
2554         uint32_t         wa[3];
2555
2556         DNPRINTF(SWM_D_BAR, "bar_setup: screen %d.\n",
2557             r->s->idx);
2558
2559         if ((screen = get_screen(r->s->idx)) == NULL)
2560                 errx(1, "ERROR: can't get screen %d.", r->s->idx);
2561
2562         if (r->bar != NULL)
2563                 return;
2564
2565         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
2566                 err(1, "bar_setup: calloc: failed to allocate memory.");
2567
2568         if (bar_font_legacy)
2569                 fontset_init();
2570         else
2571                 xft_init(r);
2572
2573         X(r->bar) = X(r);
2574         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
2575         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
2576         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
2577
2578         /* Assume region is unfocused when we create the bar. */
2579         r->bar->id = xcb_generate_id(conn);
2580         wa[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
2581         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER_UNFOCUS].pixel;
2582         wa[2] = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_POINTER_MOTION |
2583             XCB_EVENT_MASK_POINTER_MOTION_HINT;
2584
2585         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
2586             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
2587             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
2588             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
2589             | XCB_CW_EVENT_MASK, wa);
2590
2591         r->bar->buffer = xcb_generate_id(conn);
2592         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
2593             WIDTH(r->bar), HEIGHT(r->bar));
2594
2595         if (xrandr_support)
2596                 xcb_randr_select_input(conn, r->bar->id,
2597                     XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
2598
2599         if (bar_enabled)
2600                 xcb_map_window(conn, r->bar->id);
2601
2602         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
2603             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
2604             HEIGHT(r->bar));
2605
2606         bar_extra_setup();
2607 }
2608
2609 void
2610 bar_cleanup(struct swm_region *r)
2611 {
2612         if (r->bar == NULL)
2613                 return;
2614         xcb_destroy_window(conn, r->bar->id);
2615         xcb_free_pixmap(conn, r->bar->buffer);
2616         free(r->bar);
2617         r->bar = NULL;
2618 }
2619
2620 void
2621 set_win_state(struct ws_win *win, uint16_t state)
2622 {
2623         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2624
2625         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x, state: %u\n",
2626             win->id, state);
2627
2628         if (win == NULL)
2629                 return;
2630
2631         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
2632             a_state, 32, 2, data);
2633 }
2634
2635 uint32_t
2636 getstate(xcb_window_t w)
2637 {
2638         uint32_t                        result = 0;
2639         xcb_get_property_cookie_t       c;
2640         xcb_get_property_reply_t        *r;
2641
2642         c = xcb_get_property(conn, 0, w, a_state, a_state, 0L, 2L);
2643         r = xcb_get_property_reply(conn, c, NULL);
2644
2645         if (r) {
2646                 if (r->type == a_state && r->format == 32 && r->length == 2)
2647                         result = *((uint32_t *)xcb_get_property_value(r));
2648                 free(r);
2649         }
2650
2651         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
2652             result);
2653         return (result);
2654 }
2655
2656 void
2657 version(struct swm_region *r, union arg *args)
2658 {
2659         /* suppress unused warnings since vars are needed */
2660         (void)r;
2661         (void)args;
2662
2663         bar_version = !bar_version;
2664         if (bar_version)
2665                 snprintf(bar_vertext, sizeof bar_vertext,
2666                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2667         else
2668                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2669
2670         bar_draw();
2671         xcb_flush(conn);
2672 }
2673
2674 void
2675 client_msg(struct ws_win *win, xcb_atom_t a, xcb_timestamp_t t)
2676 {
2677         xcb_client_message_event_t      ev;
2678 #ifdef SWM_DEBUG
2679         char                            *name;
2680 #endif
2681
2682         if (win == NULL)
2683                 return;
2684 #ifdef SWM_DEBUG
2685         name = get_atom_name(a);
2686         DNPRINTF(SWM_D_EVENT, "client_msg: window: 0x%x, atom: %s(%u), "
2687             "time: %#x\n",
2688             win->id, name, a, t);
2689         free(name);
2690 #endif
2691
2692         bzero(&ev, sizeof ev);
2693         ev.response_type = XCB_CLIENT_MESSAGE;
2694         ev.window = win->id;
2695         ev.type = a_prot;
2696         ev.format = 32;
2697         ev.data.data32[0] = a;
2698         ev.data.data32[1] = t;
2699
2700         xcb_send_event(conn, 0, win->id,
2701             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2702 }
2703
2704 /* synthetic response to a ConfigureRequest when not making a change */
2705 void
2706 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2707 {
2708         xcb_configure_notify_event_t ce;
2709
2710         if (win == NULL)
2711                 return;
2712
2713         /* send notification of unchanged state. */
2714         bzero(&ce, sizeof(ce));
2715         ce.response_type = XCB_CONFIGURE_NOTIFY;
2716         ce.x = X(win);
2717         ce.y = Y(win);
2718         ce.width = WIDTH(win);
2719         ce.height = HEIGHT(win);
2720         ce.override_redirect = 0;
2721
2722         if (ev == NULL) {
2723                 /* EWMH */
2724                 ce.event = win->id;
2725                 ce.window = win->id;
2726                 ce.border_width = BORDER(win);
2727                 ce.above_sibling = XCB_WINDOW_NONE;
2728         } else {
2729                 /* normal */
2730                 ce.event = ev->window;
2731                 ce.window = ev->window;
2732
2733                 /* make response appear more WM_SIZE_HINTS-compliant */
2734                 if (win->sh.flags) {
2735                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2736                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2737                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2738                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2739                             SH_INC_W(win), SH_INC_H(win));
2740                 }
2741
2742                 /* min size */
2743                 if (SH_MIN(win)) {
2744                         /* the hint may be set... to 0! */
2745                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2746                                 ce.width = SH_MIN_W(win);
2747                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2748                                 ce.height = SH_MIN_H(win);
2749                 }
2750
2751                 /* max size */
2752                 if (SH_MAX(win)) {
2753                         /* may also be advertized as 0 */
2754                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2755                                 ce.width = SH_MAX_W(win);
2756                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2757                                 ce.height = SH_MAX_H(win);
2758                 }
2759
2760                 /* resize increment. */
2761                 if (SH_INC(win)) {
2762                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2763                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2764                                     SH_INC_W(win);
2765                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2766                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2767                                     SH_INC_H(win);
2768                 }
2769
2770                 /* adjust x and y for requested border_width. */
2771                 ce.x += BORDER(win) - ev->border_width;
2772                 ce.y += BORDER(win) - ev->border_width;
2773                 ce.border_width = ev->border_width;
2774                 ce.above_sibling = ev->sibling;
2775         }
2776
2777         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2778             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2779             ce.y, ce.width, ce.height, ce.border_width);
2780
2781         xcb_send_event(conn, 0, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2782             (char *)&ce);
2783 }
2784
2785 int
2786 count_win(struct workspace *ws, int count_transient)
2787 {
2788         struct ws_win           *win;
2789         int                     count = 0;
2790
2791         TAILQ_FOREACH(win, &ws->winlist, entry) {
2792                 if (!count_transient && win->floating)
2793                         continue;
2794                 if (!count_transient && win->transient)
2795                         continue;
2796                 if (win->iconic)
2797                         continue;
2798                 count++;
2799         }
2800         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2801
2802         return (count);
2803 }
2804
2805 void
2806 quit(struct swm_region *r, union arg *args)
2807 {
2808         /* suppress unused warnings since vars are needed */
2809         (void)r;
2810         (void)args;
2811
2812         DNPRINTF(SWM_D_MISC, "quit\n");
2813         running = 0;
2814 }
2815
2816 void
2817 map_window(struct ws_win *win, xcb_window_t sibling)
2818 {
2819         uint16_t                mode = XCB_CONFIG_WINDOW_STACK_MODE;
2820         uint32_t                val[2];
2821         int                     i = 0;
2822
2823         /* If sibling is specified, stack right above it. */
2824         if (sibling != XCB_WINDOW_NONE) {
2825                 mode |= XCB_CONFIG_WINDOW_SIBLING;
2826                 val[i++] = sibling;
2827         }
2828
2829         val[i] = XCB_STACK_MODE_ABOVE;
2830
2831         if (win == NULL)
2832                 return;
2833
2834         DNPRINTF(SWM_D_EVENT, "map_window: win 0x%x, mapped: %s, "
2835             "sibling: 0x%x\n", win->id, YESNO(win->mapped), sibling);
2836
2837         xcb_configure_window(conn, win->id, mode, val);
2838
2839         if (win->mapped)
2840                 return;
2841
2842         xcb_map_window(conn, win->id);
2843         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
2844         win->mapped = 1;
2845 }
2846
2847 void
2848 unmap_window(struct ws_win *win)
2849 {
2850         if (win == NULL)
2851                 return;
2852
2853         DNPRINTF(SWM_D_EVENT, "unmap_window: win 0x%x, mapped: %s\n", win->id,
2854             YESNO(win->mapped));
2855
2856         if (!win->mapped)
2857                 return;
2858
2859         xcb_unmap_window(conn, win->id);
2860         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2861         win->mapped = 0;
2862 }
2863
2864 void
2865 unmap_all(void)
2866 {
2867         struct ws_win           *win;
2868         int                     i, j, num_screens;
2869
2870         num_screens = get_screen_count();
2871         for (i = 0; i < num_screens; i++)
2872                 for (j = 0; j < workspace_limit; j++)
2873                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2874                                 unmap_window(win);
2875 }
2876
2877 void
2878 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2879 {
2880         xcb_key_press_event_t   event;
2881         xcb_keycode_t           *keycode;
2882
2883         if (win == NULL)
2884                 return;
2885
2886         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2887
2888         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2889             win->id, *keycode);
2890
2891         bzero(&event, sizeof(event));
2892         event.event = win->id;
2893         event.root = win->s->root;
2894         event.child = XCB_WINDOW_NONE;
2895         event.time = XCB_CURRENT_TIME;
2896         event.event_x = X(win);
2897         event.event_y = Y(win);
2898         event.root_x = 1;
2899         event.root_y = 1;
2900         event.same_screen = 1;
2901         event.detail = *keycode;
2902         event.state = modifiers;
2903
2904         event.response_type = XCB_KEY_PRESS;
2905         xcb_send_event(conn, 1, win->id,
2906             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2907
2908         event.response_type = XCB_KEY_RELEASE;
2909         xcb_send_event(conn, 1, win->id,
2910             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2911
2912         free(keycode);
2913 }
2914
2915 void
2916 restart(struct swm_region *r, union arg *args)
2917 {
2918         /* suppress unused warning since var is needed */
2919         (void)r;
2920         (void)args;
2921
2922         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2923
2924         shutdown_cleanup();
2925
2926         execvp(start_argv[0], start_argv);
2927         warn("execvp failed");
2928         quit(NULL, NULL);
2929 }
2930
2931 struct ws_win *
2932 get_pointer_win(xcb_window_t root)
2933 {
2934         struct ws_win                   *win = NULL;
2935         xcb_query_pointer_reply_t       *r;
2936
2937         DNPRINTF(SWM_D_EVENT, "get_pointer_win: root: 0x%x.\n", root);
2938
2939         r = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, root), NULL);
2940         if (r) {
2941                 win = find_window(r->child);
2942                 if (win) {
2943                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: 0x%x.\n",
2944                             win->id);
2945                 } else {
2946                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: none.\n");
2947                 }
2948                 free(r);
2949         }
2950
2951         return win;
2952 }
2953
2954 struct swm_region *
2955 root_to_region(xcb_window_t root, int check)
2956 {
2957         struct ws_win                   *cfw;
2958         struct swm_region               *r = NULL;
2959         int                             i, num_screens;
2960         xcb_query_pointer_reply_t       *qpr;
2961         xcb_get_input_focus_reply_t     *gifr;
2962
2963         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2964
2965         num_screens = get_screen_count();
2966         for (i = 0; i < num_screens; i++)
2967                 if (screens[i].root == root)
2968                         break;
2969
2970         if (check & SWM_CK_REGION)
2971                 r = screens[i].r_focus;
2972
2973         if (r == NULL && check & SWM_CK_FOCUS) {
2974                 /* Try to find an actively focused window */
2975                 gifr = xcb_get_input_focus_reply(conn,
2976                     xcb_get_input_focus(conn), NULL);
2977                 if (gifr) {
2978                         cfw = find_window(gifr->focus);
2979                         if (cfw && cfw->ws->r)
2980                                 r = cfw->ws->r;
2981
2982                         free(gifr);
2983                 }
2984         }
2985
2986         if (r == NULL && check & SWM_CK_POINTER) {
2987                 /* No region with an active focus; try to use pointer. */
2988                 qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2989                     screens[i].root), NULL);
2990
2991                 if (qpr) {
2992                         DNPRINTF(SWM_D_MISC, "root_to_region: pointer: "
2993                             "(%d,%d)\n", qpr->root_x, qpr->root_y);
2994                         TAILQ_FOREACH(r, &screens[i].rl, entry)
2995                                 if (X(r) <= qpr->root_x &&
2996                                     qpr->root_x < MAX_X(r) &&
2997                                     Y(r) <= qpr->root_y &&
2998                                     qpr->root_y < MAX_Y(r))
2999                                         break;
3000                         free(qpr);
3001                 }
3002         }
3003
3004         /* Last resort. */
3005         if (r == NULL && check & SWM_CK_FALLBACK)
3006                 r = TAILQ_FIRST(&screens[i].rl);
3007
3008         DNPRINTF(SWM_D_MISC, "root_to_region: idx: %d\n", get_region_index(r));
3009
3010         return (r);
3011 }
3012
3013 struct ws_win *
3014 find_unmanaged_window(xcb_window_t id)
3015 {
3016         struct ws_win           *win;
3017         int                     i, j, num_screens;
3018
3019         num_screens = get_screen_count();
3020         for (i = 0; i < num_screens; i++)
3021                 for (j = 0; j < workspace_limit; j++)
3022                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
3023                             entry)
3024                                 if (id == win->id)
3025                                         return (win);
3026         return (NULL);
3027 }
3028
3029 struct ws_win *
3030 find_window(xcb_window_t id)
3031 {
3032         struct ws_win           *win;
3033         int                     i, j, num_screens;
3034         xcb_query_tree_reply_t  *r;
3035
3036         num_screens = get_screen_count();
3037         for (i = 0; i < num_screens; i++)
3038                 for (j = 0; j < workspace_limit; j++)
3039                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
3040                                 if (id == win->id)
3041                                         return (win);
3042
3043         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
3044         if (!r)
3045                 return (NULL);
3046
3047         /* if we were looking for the parent return that window instead */
3048         if (r->parent == 0 || r->root == r->parent) {
3049                 free(r);
3050                 return (NULL);
3051         }
3052
3053         /* look for parent */
3054         for (i = 0; i < num_screens; i++)
3055                 for (j = 0; j < workspace_limit; j++)
3056                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
3057                                 if (r->parent == win->id) {
3058                                         free(r);
3059                                         return (win);
3060                                 }
3061
3062         free(r);
3063         return (NULL);
3064 }
3065
3066 void
3067 spawn(int ws_idx, union arg *args, int close_fd)
3068 {
3069         int                     fd;
3070         char                    *ret = NULL;
3071
3072         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
3073
3074         close(xcb_get_file_descriptor(conn));
3075
3076         setenv("LD_PRELOAD", SWM_LIB, 1);
3077
3078         if (asprintf(&ret, "%d", ws_idx) == -1) {
3079                 warn("spawn: asprintf SWM_WS");
3080                 _exit(1);
3081         }
3082         setenv("_SWM_WS", ret, 1);
3083         free(ret);
3084         ret = NULL;
3085
3086         if (asprintf(&ret, "%d", getpid()) == -1) {
3087                 warn("spawn: asprintf _SWM_PID");
3088                 _exit(1);
3089         }
3090         setenv("_SWM_PID", ret, 1);
3091         free(ret);
3092         ret = NULL;
3093
3094         if (setsid() == -1) {
3095                 warn("spawn: setsid");
3096                 _exit(1);
3097         }
3098
3099         if (close_fd) {
3100                 /*
3101                  * close stdin and stdout to prevent interaction between apps
3102                  * and the baraction script
3103                  * leave stderr open to record errors
3104                 */
3105                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
3106                         warn("spawn: open");
3107                         _exit(1);
3108                 }
3109                 dup2(fd, STDIN_FILENO);
3110                 dup2(fd, STDOUT_FILENO);
3111                 if (fd > 2)
3112                         close(fd);
3113         }
3114
3115         execvp(args->argv[0], args->argv);
3116
3117         warn("spawn: execvp");
3118         _exit(1);
3119 }
3120
3121 void
3122 kill_refs(struct ws_win *win)
3123 {
3124         int                     i, x, num_screens;
3125         struct swm_region       *r;
3126         struct workspace        *ws;
3127
3128         if (win == NULL)
3129                 return;
3130
3131         num_screens = get_screen_count();
3132         for (i = 0; i < num_screens; i++)
3133                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3134                         for (x = 0; x < workspace_limit; x++) {
3135                                 ws = &r->s->ws[x];
3136                                 if (win == ws->focus)
3137                                         ws->focus = NULL;
3138                                 if (win == ws->focus_prev)
3139                                         ws->focus_prev = NULL;
3140                         }
3141 }
3142
3143 int
3144 validate_win(struct ws_win *testwin)
3145 {
3146         struct ws_win           *win;
3147         struct workspace        *ws;
3148         struct swm_region       *r;
3149         int                     i, x, num_screens;
3150
3151         if (testwin == NULL)
3152                 return (0);
3153
3154         num_screens = get_screen_count();
3155         for (i = 0; i < num_screens; i++)
3156                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3157                         for (x = 0; x < workspace_limit; x++) {
3158                                 ws = &r->s->ws[x];
3159                                 TAILQ_FOREACH(win, &ws->winlist, entry)
3160                                         if (win == testwin)
3161                                                 return (0);
3162                         }
3163         return (1);
3164 }
3165
3166 int
3167 validate_ws(struct workspace *testws)
3168 {
3169         struct swm_region       *r;
3170         struct workspace        *ws;
3171         int                     i, x, num_screens;
3172
3173         /* validate all ws */
3174         num_screens = get_screen_count();
3175         for (i = 0; i < num_screens; i++)
3176                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3177                         for (x = 0; x < workspace_limit; x++) {
3178                                 ws = &r->s->ws[x];
3179                                 if (ws == testws)
3180                                         return (0);
3181                         }
3182         return (1);
3183 }
3184
3185 xcb_window_t
3186 get_sibling(struct ws_win *win, int mode)
3187 {
3188         struct ws_win           *w = win;
3189
3190         switch (mode) {
3191         case SWM_STACK_TOP:
3192                 TAILQ_FOREACH_REVERSE(w, &w->ws->winlist, ws_win_list, entry)
3193                         if (w != win && !w->floating && !w->iconic)
3194                                 break;
3195                 break;
3196         case SWM_STACK_ABOVE:
3197                 do {
3198                         w = TAILQ_NEXT(w, entry);
3199                 } while (w != NULL && (w == win || w->floating || w->iconic));
3200                 break;
3201         case SWM_STACK_BELOW:
3202                 do {
3203                         w = TAILQ_PREV(w, ws_win_list, entry);
3204                 } while (w != NULL && (w == win || w->floating || w->iconic));
3205                 break;
3206         case SWM_STACK_BOTTOM:
3207                 TAILQ_FOREACH(w, &w->ws->winlist, entry)
3208                         if (w != win && !w->floating && !w->iconic)
3209                                 break;
3210                 break;
3211         default:
3212                 w = NULL;
3213         }
3214
3215         if (w == NULL)
3216                 return (win->ws->r->id);
3217         else
3218                 return (w->id);
3219 }
3220
3221 void
3222 unfocus_win(struct ws_win *win)
3223 {
3224         xcb_window_t            none = XCB_WINDOW_NONE;
3225
3226         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
3227
3228         if (win == NULL)
3229                 return;
3230         if (win->ws == NULL) {
3231                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL ws.\n");
3232                 return;
3233         }
3234
3235         if (validate_ws(win->ws)) {
3236                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid ws.\n");
3237                 return;
3238         }
3239
3240         if (win->ws->r == NULL) {
3241                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL region.\n");
3242                 return;
3243         }
3244
3245         if (validate_win(win)) {
3246                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid win.\n");
3247                 kill_refs(win);
3248                 return;
3249         }
3250
3251         if (win->ws->focus == win) {
3252                 if (tile_gap < 0 && !win->floating)
3253                         map_window(win, get_sibling(win, SWM_STACK_BELOW));
3254                 win->ws->focus = NULL;
3255                 win->ws->focus_prev = win;
3256         }
3257
3258         if (validate_win(win->ws->focus)) {
3259                 kill_refs(win->ws->focus);
3260                 win->ws->focus = NULL;
3261         }
3262
3263         if (validate_win(win->ws->focus_prev)) {
3264                 kill_refs(win->ws->focus_prev);
3265                 win->ws->focus_prev = NULL;
3266         }
3267
3268         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3269             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
3270
3271         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3272             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
3273
3274         DNPRINTF(SWM_D_FOCUS, "unfocus_win: done.\n");
3275 }
3276
3277 void
3278 focus_win(struct ws_win *win)
3279 {
3280         struct ws_win                   *cfw = NULL, *parent = NULL, *w;
3281         struct workspace                *ws;
3282         xcb_get_input_focus_reply_t     *r;
3283
3284         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
3285
3286         if (win == NULL)
3287                 goto out;
3288
3289         if (win->ws == NULL)
3290                 goto out;
3291
3292         if (!win->mapped)
3293                 goto out;
3294
3295         ws = win->ws;
3296
3297         if (validate_ws(ws))
3298                 goto out;
3299
3300         if (validate_win(win)) {
3301                 kill_refs(win);
3302                 goto out;
3303         }
3304
3305         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
3306         if (r) {
3307                 cfw = find_window(r->focus);
3308                 if (cfw != win)
3309                         unfocus_win(cfw);
3310                 free(r);
3311         }
3312
3313         if (ws->focus != win) {
3314                 if (ws->focus && ws->focus != cfw)
3315                         unfocus_win(ws->focus);
3316                 ws->focus = win;
3317         }
3318
3319         /* If this window directs focus to a child window, then clear. */
3320         if (win->focus_child)
3321                 win->focus_child = NULL;
3322
3323         /* If transient, adjust parent's focus child for focus_magic. */
3324         if (win->transient) {
3325                 parent = find_window(win->transient);
3326                 if (parent && parent->focus_child != win)
3327                         parent->focus_child = win;
3328         }
3329
3330         if (cfw != win && ws->r != NULL) {
3331                 /* Set input focus if no input hint, or indicated by hint. */
3332                 if (!(win->hints.flags & XCB_ICCCM_WM_HINT_INPUT) ||
3333                     (win->hints.flags & XCB_ICCCM_WM_HINT_INPUT &&
3334                      win->hints.input))
3335                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3336                                         win->id, last_event_time);
3337
3338                 /* Tell app it can adjust focus to a specific window. */
3339                 if (win->take_focus) {
3340                         /* java is special; always tell parent */
3341                         if (win->transient && win->java)
3342                                 client_msg(parent, a_takefocus,
3343                                     last_event_time);
3344                         else
3345                                 client_msg(win, a_takefocus, last_event_time);
3346                 }
3347
3348                 xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3349                     &ws->r->s->c[SWM_S_COLOR_FOCUS].pixel);
3350
3351                 if (ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
3352                     ws->always_raise) {
3353                         /* If a parent exists, map it first. */
3354                         if (parent) {
3355                                 map_window(parent, XCB_WINDOW_NONE);
3356
3357                                 /* Map siblings next. */
3358                                 TAILQ_FOREACH(w, &ws->winlist, entry)
3359                                         if (w != win && !w->iconic &&
3360                                             w->transient == parent->id)
3361                                                 map_window(w, XCB_WINDOW_NONE);
3362                         }
3363
3364                         /* Map focused window. */
3365                         map_window(win, XCB_WINDOW_NONE);
3366
3367                         /* Finally, map children of focus window. */
3368                         TAILQ_FOREACH(w, &ws->winlist, entry)
3369                                 if (w->transient == win->id && !w->iconic)
3370                                         map_window(w, XCB_WINDOW_NONE);
3371                 } else if (tile_gap < 0 && !win->floating) {
3372                         /*
3373                          * Windows overlap in the layout.
3374                          * Raise focused win above all tiled wins.
3375                          */
3376                         if (tile_gap < 0 && !win->floating)
3377                                 map_window(win,
3378                                     get_sibling(win, SWM_STACK_TOP));
3379                 }
3380
3381                 set_region(ws->r);
3382
3383                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3384                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
3385                     &win->id);
3386         }
3387
3388 out:
3389         bar_draw();
3390
3391         DNPRINTF(SWM_D_FOCUS, "focus_win: done.\n");
3392 }
3393
3394 /* If a child window should have focus instead, return it. */
3395 struct ws_win *
3396 get_focus_magic(struct ws_win *win)
3397 {
3398         struct ws_win   *parent = NULL;
3399         struct ws_win   *child = NULL;
3400
3401         DNPRINTF(SWM_D_FOCUS, "get_focus_magic: window: 0x%x\n", WINID(win));
3402         if (win == NULL)
3403                 return win;
3404
3405         if (win->transient) {
3406                 parent = find_window(win->transient);
3407
3408                 /* If parent prefers focus elsewhere, then try to do so. */
3409                 if (parent && (child = parent->focus_child)) {
3410                         if (validate_win(child) == 0 && child->mapped)
3411                                 win = child;
3412                         else
3413                                 parent->focus_child = NULL;
3414                 }
3415         }
3416
3417         /* If this window prefers focus elsewhere, then try to do so. */
3418         if ((child = win->focus_child)) {
3419                 if (validate_win(child) == 0 && child->mapped)
3420                         win = child;
3421                 else
3422                         win->focus_child = NULL;
3423         }
3424
3425         return win;
3426 }
3427
3428 void
3429 event_drain(uint8_t rt)
3430 {
3431         xcb_generic_event_t     *evt;
3432
3433         /* ensure all pending requests have been processed before filtering. */
3434         xcb_aux_sync(conn);
3435         while ((evt = xcb_poll_for_event(conn))) {
3436                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
3437                         event_handle(evt);
3438
3439                 free(evt);
3440         }
3441 }
3442
3443 void
3444 set_region(struct swm_region *r)
3445 {
3446         struct swm_region       *rf;
3447
3448         if (r == NULL)
3449                 return;
3450
3451         rf = r->s->r_focus;
3452         /* Unfocus old region bar. */
3453         if (rf) {
3454                 if (rf == r)
3455                         return;
3456
3457                 xcb_change_window_attributes(conn, rf->bar->id,
3458                     XCB_CW_BORDER_PIXEL,
3459                     &r->s->c[SWM_S_COLOR_BAR_BORDER_UNFOCUS].pixel);
3460         }
3461
3462         /* Set region bar border to focus_color. */
3463         xcb_change_window_attributes(conn, r->bar->id,
3464             XCB_CW_BORDER_PIXEL, &r->s->c[SWM_S_COLOR_BAR_BORDER].pixel);
3465
3466         r->s->r_focus = r;
3467 }
3468
3469 void
3470 focus_region(struct swm_region *r)
3471 {
3472         struct ws_win           *nfw;
3473         struct swm_region       *old_r;
3474
3475         if (r == NULL)
3476                 return;
3477
3478         old_r = r->s->r_focus;
3479         set_region(r);
3480
3481         nfw = get_region_focus(r);
3482         if (nfw) {
3483                 focus_win(nfw);
3484         } else {
3485                 /* New region is empty; need to manually unfocus win. */
3486                 if (old_r)
3487                         unfocus_win(old_r->ws->focus);
3488
3489                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT, r->id,
3490                     XCB_CURRENT_TIME);
3491
3492                 /* Clear bar since empty. */
3493                 bar_draw();
3494         }
3495 }
3496
3497 void
3498 switchws(struct swm_region *r, union arg *args)
3499 {
3500         int                     wsid = args->id, unmap_old = 0;
3501         struct swm_region       *this_r, *other_r;
3502         struct ws_win           *win;
3503         struct workspace        *new_ws, *old_ws;
3504
3505         if (!(r && r->s))
3506                 return;
3507
3508         if (wsid >= workspace_limit)
3509                 return;
3510
3511         this_r = r;
3512         old_ws = this_r->ws;
3513         new_ws = &this_r->s->ws[wsid];
3514
3515         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
3516             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
3517
3518         if (new_ws == NULL || old_ws == NULL)
3519                 return;
3520         if (new_ws == old_ws)
3521                 return;
3522
3523         unfocus_win(old_ws->focus);
3524
3525         other_r = new_ws->r;
3526         if (other_r == NULL) {
3527                 /* the other workspace is hidden, hide this one */
3528                 old_ws->r = NULL;
3529                 unmap_old = 1;
3530         } else {
3531                 /* the other ws is visible in another region, exchange them */
3532                 other_r->ws_prior = new_ws;
3533                 other_r->ws = old_ws;
3534                 old_ws->r = other_r;
3535         }
3536         this_r->ws_prior = old_ws;
3537         this_r->ws = new_ws;
3538         new_ws->r = this_r;
3539
3540         /* Set focus_pending before stacking, if needed. */
3541         if (focus_mode != SWM_FOCUS_FOLLOW && (!new_ws->focus_pending ||
3542             validate_win(new_ws->focus_pending)))
3543                 new_ws->focus_pending = get_region_focus(new_ws->r);
3544
3545         stack();
3546
3547         /* unmap old windows */
3548         if (unmap_old)
3549                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
3550                         unmap_window(win);
3551
3552         /* if workspaces were swapped, then don't wait to set focus */
3553         if (old_ws->r && focus_mode != SWM_FOCUS_FOLLOW) {
3554                 if (new_ws->focus_pending) {
3555                         focus_win(new_ws->focus_pending);
3556                         new_ws->focus_pending = NULL;
3557                 }
3558         }
3559
3560         /* Clear bar and set focus on region input win if new ws is empty. */
3561         if (new_ws->focus_pending == NULL && new_ws->focus == NULL) {
3562                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT, r->id,
3563                     XCB_CURRENT_TIME);
3564                 bar_draw();
3565         }
3566
3567         focus_flush();
3568
3569         DNPRINTF(SWM_D_WS, "switchws: done.\n");
3570 }
3571
3572 void
3573 cyclews(struct swm_region *r, union arg *args)
3574 {
3575         union                   arg a;
3576         struct swm_screen       *s = r->s;
3577         int                     cycle_all = 0;
3578         int                     move = 0;
3579
3580         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3581             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3582
3583         a.id = r->ws->idx;
3584
3585         do {
3586                 switch (args->id) {
3587                 case SWM_ARG_ID_CYCLEWS_MOVE_UP:
3588                         move = 1;
3589                         /* FALLTHROUGH */
3590                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
3591                         cycle_all = 1;
3592                         /* FALLTHROUGH */
3593                 case SWM_ARG_ID_CYCLEWS_UP:
3594                         a.id = (a.id < workspace_limit - 1) ? a.id + 1 : 0;
3595                         break;
3596                 case SWM_ARG_ID_CYCLEWS_MOVE_DOWN:
3597                         move = 1;
3598                         /* FALLTHROUGH */
3599                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
3600                         cycle_all = 1;
3601                         /* FALLTHROUGH */
3602                 case SWM_ARG_ID_CYCLEWS_DOWN:
3603                         a.id = (a.id > 0) ? a.id - 1 : workspace_limit - 1;
3604                         break;
3605                 default:
3606                         return;
3607                 };
3608
3609                 if (!cycle_all &&
3610                     (!cycle_empty && TAILQ_EMPTY(&s->ws[a.id].winlist)))
3611                         continue;
3612                 if (!cycle_visible && s->ws[a.id].r != NULL)
3613                         continue;
3614
3615                 if (move)
3616                         send_to_ws(r, &a);
3617
3618                 switchws(r, &a);
3619         } while (a.id != r->ws->idx);
3620 }
3621
3622 void
3623 priorws(struct swm_region *r, union arg *args)
3624 {
3625         union arg               a;
3626
3627         (void)args;
3628
3629         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3630             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3631
3632         if (r->ws_prior == NULL)
3633                 return;
3634
3635         a.id = r->ws_prior->idx;
3636         switchws(r, &a);
3637 }
3638
3639 void
3640 focusrg(struct swm_region *r, union arg *args)
3641 {
3642         int                     ridx = args->id, i, num_screens;
3643         struct swm_region       *rr = NULL;
3644
3645         num_screens = get_screen_count();
3646         /* do nothing if we don't have more than one screen */
3647         if (!(num_screens > 1 || outputs > 1))
3648                 return;
3649
3650         DNPRINTF(SWM_D_FOCUS, "focusrg: id: %d\n", ridx);
3651
3652         rr = TAILQ_FIRST(&r->s->rl);
3653         for (i = 0; i < ridx; ++i)
3654                 rr = TAILQ_NEXT(rr, entry);
3655
3656         if (rr == NULL)
3657                 return;
3658
3659         focus_region(rr);
3660         focus_flush();
3661 }
3662
3663 void
3664 cyclerg(struct swm_region *r, union arg *args)
3665 {
3666         struct swm_region       *rr = NULL;
3667         int                     i, num_screens;
3668
3669         num_screens = get_screen_count();
3670         /* do nothing if we don't have more than one screen */
3671         if (!(num_screens > 1 || outputs > 1))
3672                 return;
3673
3674         i = r->s->idx;
3675         switch (args->id) {
3676         case SWM_ARG_ID_CYCLERG_UP:
3677                 rr = TAILQ_NEXT(r, entry);
3678                 if (rr == NULL)
3679                         rr = TAILQ_FIRST(&screens[i].rl);
3680                 break;
3681         case SWM_ARG_ID_CYCLERG_DOWN:
3682                 rr = TAILQ_PREV(r, swm_region_list, entry);
3683                 if (rr == NULL)
3684                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
3685                 break;
3686         default:
3687                 return;
3688         };
3689         if (rr == NULL)
3690                 return;
3691
3692         focus_region(rr);
3693         focus_flush();
3694 }
3695
3696 void
3697 sort_windows(struct ws_win_list *wl)
3698 {
3699         struct ws_win           *win, *parent, *nxt;
3700
3701         if (wl == NULL)
3702                 return;
3703
3704         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
3705                 nxt = TAILQ_NEXT(win, entry);
3706                 if (win->transient) {
3707                         parent = find_window(win->transient);
3708                         if (parent == NULL) {
3709                                 warnx("not possible bug");
3710                                 continue;
3711                         }
3712                         TAILQ_REMOVE(wl, win, entry);
3713                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
3714                 }
3715         }
3716
3717 }
3718
3719 void
3720 swapwin(struct swm_region *r, union arg *args)
3721 {
3722         struct ws_win           *target, *source;
3723         struct ws_win           *cur_focus;
3724         struct ws_win_list      *wl;
3725
3726         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3727             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3728
3729         cur_focus = r->ws->focus;
3730         if (cur_focus == NULL)
3731                 return;
3732
3733         source = cur_focus;
3734         wl = &source->ws->winlist;
3735
3736         switch (args->id) {
3737         case SWM_ARG_ID_SWAPPREV:
3738                 if (source->transient)
3739                         source = find_window(source->transient);
3740                 target = TAILQ_PREV(source, ws_win_list, entry);
3741                 if (target && target->transient)
3742                         target = find_window(target->transient);
3743                 TAILQ_REMOVE(wl, source, entry);
3744                 if (target == NULL)
3745                         TAILQ_INSERT_TAIL(wl, source, entry);
3746                 else
3747                         TAILQ_INSERT_BEFORE(target, source, entry);
3748                 break;
3749         case SWM_ARG_ID_SWAPNEXT:
3750                 target = TAILQ_NEXT(source, entry);
3751                 /* move the parent and let the sort handle the move */
3752                 if (source->transient)
3753                         source = find_window(source->transient);
3754                 TAILQ_REMOVE(wl, source, entry);
3755                 if (target == NULL)
3756                         TAILQ_INSERT_HEAD(wl, source, entry);
3757                 else
3758                         TAILQ_INSERT_AFTER(wl, target, source, entry);
3759                 break;
3760         case SWM_ARG_ID_SWAPMAIN:
3761                 target = TAILQ_FIRST(wl);
3762                 if (target == source) {
3763                         if (source->ws->focus_prev != NULL &&
3764                             source->ws->focus_prev != target)
3765                                 source = source->ws->focus_prev;
3766                         else
3767                                 return;
3768                 }
3769                 if (target == NULL || source == NULL)
3770                         return;
3771                 source->ws->focus_prev = target;
3772                 TAILQ_REMOVE(wl, target, entry);
3773                 TAILQ_INSERT_BEFORE(source, target, entry);
3774                 TAILQ_REMOVE(wl, source, entry);
3775                 TAILQ_INSERT_HEAD(wl, source, entry);
3776                 break;
3777         case SWM_ARG_ID_MOVELAST:
3778                 TAILQ_REMOVE(wl, source, entry);
3779                 TAILQ_INSERT_TAIL(wl, source, entry);
3780                 break;
3781         default:
3782                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
3783                 return;
3784         }
3785
3786         sort_windows(wl);
3787
3788         stack();
3789
3790         focus_flush();
3791 }
3792
3793 struct ws_win *
3794 get_focus_prev(struct ws_win *win)
3795 {
3796         struct ws_win           *winfocus = NULL;
3797         struct ws_win           *cur_focus = NULL;
3798         struct ws_win_list      *wl = NULL;
3799         struct workspace        *ws = NULL;
3800
3801         if (!(win && win->ws))
3802                 return NULL;
3803
3804         ws = win->ws;
3805         wl = &ws->winlist;
3806         cur_focus = ws->focus;
3807
3808         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: window: 0x%x, cur_focus: 0x%x\n",
3809             WINID(win), WINID(cur_focus));
3810
3811         /* pickle, just focus on whatever */
3812         if (cur_focus == NULL) {
3813                 /* use prev_focus if valid */
3814                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
3815                     find_window(WINID(ws->focus_prev)))
3816                         winfocus = ws->focus_prev;
3817                 goto done;
3818         }
3819
3820         /* if transient focus on parent */
3821         if (cur_focus->transient) {
3822                 winfocus = find_window(cur_focus->transient);
3823                 goto done;
3824         }
3825
3826         /* if in max_stack try harder */
3827         if ((win->quirks & SWM_Q_FOCUSPREV) ||
3828             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
3829                 if (cur_focus != ws->focus_prev)
3830                         winfocus = ws->focus_prev;
3831                 else
3832                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3833                 if (winfocus)
3834                         goto done;
3835         }
3836
3837         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: focus_close: %d\n", focus_close);
3838
3839         if (winfocus == NULL || winfocus == win) {
3840                 switch (focus_close) {
3841                 case SWM_STACK_BOTTOM:
3842                         TAILQ_FOREACH(winfocus, wl, entry)
3843                                 if (!winfocus->iconic && winfocus != cur_focus)
3844                                         break;
3845                         break;
3846                 case SWM_STACK_TOP:
3847                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
3848                                 if (!winfocus->iconic && winfocus != cur_focus)
3849                                         break;
3850                         break;
3851                 case SWM_STACK_ABOVE:
3852                         winfocus = TAILQ_NEXT(cur_focus, entry);
3853                         while (winfocus && winfocus->iconic)
3854                                 winfocus = TAILQ_NEXT(winfocus, entry);
3855
3856                         if (winfocus == NULL) {
3857                                 if (focus_close_wrap) {
3858                                         TAILQ_FOREACH(winfocus, wl, entry)
3859                                                 if (!winfocus->iconic &&
3860                                                     winfocus != cur_focus)
3861                                                         break;
3862                                 } else {
3863                                         TAILQ_FOREACH_REVERSE(winfocus, wl,
3864                                             ws_win_list, entry)
3865                                                 if (!winfocus->iconic &&
3866                                                     winfocus != cur_focus)
3867                                                         break;
3868                                 }
3869                         }
3870                         break;
3871                 case SWM_STACK_BELOW:
3872                         winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
3873                         while (winfocus && winfocus->iconic)
3874                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3875                                     entry);
3876
3877                         if (winfocus == NULL) {
3878                                 if (focus_close_wrap) {
3879                                         TAILQ_FOREACH_REVERSE(winfocus, wl,
3880                                             ws_win_list, entry)
3881                                                 if (!winfocus->iconic &&
3882                                                     winfocus != cur_focus)
3883                                                         break;
3884                                 } else {
3885                                         TAILQ_FOREACH(winfocus, wl, entry)
3886                                                 if (!winfocus->iconic &&
3887                                                     winfocus != cur_focus)
3888                                                         break;
3889                                 }
3890                         }
3891                         break;
3892                 }
3893         }
3894 done:
3895         if (winfocus == NULL ||
3896             (winfocus && (winfocus->iconic || winfocus == cur_focus))) {
3897                 if (focus_default == SWM_STACK_TOP) {
3898                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
3899                                 if (!winfocus->iconic && winfocus != cur_focus)
3900                                         break;
3901                 } else {
3902                         TAILQ_FOREACH(winfocus, wl, entry)
3903                                 if (!winfocus->iconic && winfocus != cur_focus)
3904                                         break;
3905                 }
3906         }
3907
3908         kill_refs(win);
3909
3910         return get_focus_magic(winfocus);
3911 }
3912
3913 struct ws_win *
3914 get_region_focus(struct swm_region *r)
3915 {
3916         struct ws_win           *winfocus = NULL;
3917
3918         if (!(r && r->ws))
3919                 return NULL;
3920
3921         if (r->ws->focus && !r->ws->focus->iconic)
3922                 winfocus = r->ws->focus;
3923         else if (r->ws->focus_prev && !r->ws->focus_prev->iconic)
3924                 winfocus = r->ws->focus_prev;
3925         else
3926                 TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3927                         if (!winfocus->iconic)
3928                                 break;
3929
3930         return get_focus_magic(winfocus);
3931 }
3932
3933 void
3934 focus(struct swm_region *r, union arg *args)
3935 {
3936         struct ws_win           *head, *cur_focus = NULL, *winfocus = NULL;
3937         struct ws_win_list      *wl = NULL;
3938         struct workspace        *ws = NULL;
3939         int                     all_iconics;
3940
3941         if (!(r && r->ws))
3942                 return;
3943
3944         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
3945
3946         if ((cur_focus = r->ws->focus) == NULL)
3947                 return;
3948         ws = r->ws;
3949         wl = &ws->winlist;
3950         if (TAILQ_EMPTY(wl))
3951                 return;
3952         /* make sure there is at least one uniconified window */
3953         all_iconics = 1;
3954         TAILQ_FOREACH(winfocus, wl, entry)
3955                 if (!winfocus->iconic) {
3956                         all_iconics = 0;
3957                         break;
3958                 }
3959         if (all_iconics)
3960                 return;
3961
3962         switch (args->id) {
3963         case SWM_ARG_ID_FOCUSPREV:
3964                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3965                 if (head == NULL)
3966                         head = TAILQ_LAST(wl, ws_win_list);
3967                 winfocus = head;
3968                 if (WINID(winfocus) == cur_focus->transient) {
3969                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3970                         if (head == NULL)
3971                                 head = TAILQ_LAST(wl, ws_win_list);
3972                         winfocus = head;
3973                 }
3974
3975                 /* skip iconics */
3976                 if (winfocus && winfocus->iconic) {
3977                         while (winfocus != cur_focus) {
3978                                 if (winfocus == NULL)
3979                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3980                                 if (!winfocus->iconic)
3981                                         break;
3982                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3983                                     entry);
3984                         }
3985                 }
3986                 break;
3987
3988         case SWM_ARG_ID_FOCUSNEXT:
3989                 head = TAILQ_NEXT(cur_focus, entry);
3990                 if (head == NULL)
3991                         head = TAILQ_FIRST(wl);
3992                 winfocus = head;
3993
3994                 /* skip iconics */
3995                 if (winfocus && winfocus->iconic) {
3996                         while (winfocus != cur_focus) {
3997                                 if (winfocus == NULL)
3998                                         winfocus = TAILQ_FIRST(wl);
3999                                 if (!winfocus->iconic)
4000                                         break;
4001                                 winfocus = TAILQ_NEXT(winfocus, entry);
4002                         }
4003                 }
4004                 break;
4005
4006         case SWM_ARG_ID_FOCUSMAIN:
4007                 winfocus = TAILQ_FIRST(wl);
4008                 if (winfocus == cur_focus)
4009                         winfocus = cur_focus->ws->focus_prev;
4010                 break;
4011
4012         default:
4013                 return;
4014         }
4015
4016         focus_win(get_focus_magic(winfocus));
4017
4018         focus_flush();
4019 }
4020
4021 void
4022 cycle_layout(struct swm_region *r, union arg *args)
4023 {
4024         struct workspace        *ws = r->ws;
4025
4026         /* suppress unused warning since var is needed */
4027         (void)args;
4028
4029         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
4030
4031         ws->cur_layout++;
4032         if (ws->cur_layout->l_stack == NULL)
4033                 ws->cur_layout = &layouts[0];
4034
4035         stack();
4036         bar_draw();
4037
4038         focus_win(get_region_focus(r));
4039
4040         focus_flush();
4041 }
4042
4043 void
4044 stack_config(struct swm_region *r, union arg *args)
4045 {
4046         struct workspace        *ws = r->ws;
4047
4048         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
4049             args->id, ws->idx);
4050
4051         if (ws->cur_layout->l_config != NULL)
4052                 ws->cur_layout->l_config(ws, args->id);
4053
4054         if (args->id != SWM_ARG_ID_STACKINIT)
4055                 stack();
4056         bar_draw();
4057
4058         focus_flush();
4059 }
4060
4061 void
4062 stack(void) {
4063         struct swm_geometry     g;
4064         struct swm_region       *r;
4065         int                     i, num_screens;
4066 #ifdef SWM_DEBUG
4067         int j;
4068 #endif
4069
4070         DNPRINTF(SWM_D_STACK, "stack: begin\n");
4071
4072         num_screens = get_screen_count();
4073         for (i = 0; i < num_screens; i++) {
4074 #ifdef SWM_DEBUG
4075                 j = 0;
4076 #endif
4077                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
4078                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
4079                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
4080
4081                         /* Adjust stack area for region bar and padding. */
4082                         g = r->g;
4083                         g.x += region_padding;
4084                         g.y += region_padding;
4085                         g.w -= 2 * border_width + 2 * region_padding;
4086                         g.h -= 2 * border_width + 2 * region_padding;
4087                         if (bar_enabled && r->ws->bar_enabled) {
4088                                 if (!bar_at_bottom)
4089                                         g.y += bar_height;
4090                                 g.h -= bar_height;
4091                         }
4092                         r->ws->cur_layout->l_stack(r->ws, &g);
4093                         r->ws->cur_layout->l_string(r->ws);
4094                         /* save r so we can track region changes */
4095                         r->ws->old_r = r;
4096                 }
4097         }
4098         if (font_adjusted)
4099                 font_adjusted--;
4100
4101         DNPRINTF(SWM_D_STACK, "stack: end\n");
4102 }
4103
4104 void
4105 store_float_geom(struct ws_win *win)
4106 {
4107         if (win == NULL || win->ws->r == NULL)
4108                 return;
4109
4110         /* retain window geom and region geom */
4111         win->g_float = win->g;
4112         win->g_float.x -= X(win->ws->r);
4113         win->g_float.y -= Y(win->ws->r);
4114         win->g_floatvalid = 1;
4115         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
4116             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
4117             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
4118             win->g_float.w, win->g_float.h);
4119 }
4120
4121 void
4122 load_float_geom(struct ws_win *win)
4123 {
4124         if (win == NULL || win->ws->r == NULL)
4125                 return;
4126
4127         if (win->g_floatvalid) {
4128                 win->g = win->g_float;
4129                 X(win) += X(win->ws->r);
4130                 Y(win) += Y(win->ws->r);
4131                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g: (%d,%d)"
4132                     "%d x %d\n", win->id, X(win), Y(win), WIDTH(win),
4133                     HEIGHT(win));
4134         } else {
4135                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g_float "
4136                     "is not set.\n", win->id);
4137         }
4138 }
4139
4140 void
4141 stack_floater(struct ws_win *win, struct swm_region *r)
4142 {
4143         if (win == NULL)
4144                 return;
4145
4146         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
4147
4148         /*
4149          * to allow windows to change their size (e.g. mplayer fs) only retrieve
4150          * geom on ws switches or return from max mode
4151          */
4152         if (win->floatmaxed || (r != r->ws->old_r &&
4153             !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
4154                 /* update geometry for the new region */
4155                 load_float_geom(win);
4156         }
4157
4158         win->floatmaxed = 0;
4159
4160         /*
4161          * if set to fullscreen mode, configure window to maximum size.
4162          */
4163         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4164                 if (!win->g_floatvalid)
4165                         store_float_geom(win);
4166
4167                 win->g = r->g;
4168         }
4169
4170         /*
4171          * remove border on fullscreen floater when in fullscreen mode or when
4172          * the quirk is present.
4173          */
4174         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
4175             ((win->quirks & SWM_Q_FULLSCREEN) &&
4176              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
4177                 if (win->bordered) {
4178                         win->bordered = 0;
4179                         X(win) += border_width;
4180                         Y(win) += border_width;
4181                 }
4182         } else if (!win->bordered) {
4183                 win->bordered = 1;
4184                 X(win) -= border_width;
4185                 Y(win) -= border_width;
4186         }
4187
4188         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
4189                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
4190                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
4191         }
4192
4193         if (!win->manual && !(win->ewmh_flags & EWMH_F_FULLSCREEN) &&
4194             !(win->quirks & SWM_Q_ANYWHERE)) {
4195                 /*
4196                  * floaters and transients are auto-centred unless moved,
4197                  * resized or ANYWHERE quirk is set.
4198                  */
4199                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
4200                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
4201
4202                 store_float_geom(win);
4203         }
4204
4205         /* Ensure at least 1 pixel of the window is in the region. */
4206         region_containment(win, r, SWM_CW_ALLSIDES);
4207
4208         update_window(win);
4209 }
4210
4211 /*
4212  * Send keystrokes to terminal to decrease/increase the font size as the
4213  * window size changes.
4214  */
4215 void
4216 adjust_font(struct ws_win *win)
4217 {
4218         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
4219             win->floating || win->transient)
4220                 return;
4221
4222         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
4223             WIDTH(win) / win->sh.width_inc < term_width &&
4224             win->font_steps < SWM_MAX_FONT_STEPS) {
4225                 win->font_size_boundary[win->font_steps] =
4226                     (win->sh.width_inc * term_width) + win->sh.base_width;
4227                 win->font_steps++;
4228                 font_adjusted++;
4229                 win->last_inc = win->sh.width_inc;
4230                 fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
4231         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
4232             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
4233                 win->font_steps--;
4234                 font_adjusted++;
4235                 win->last_inc = win->sh.width_inc;
4236                 fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
4237         }
4238 }
4239
4240 #define SWAPXY(g)       do {                            \
4241         int tmp;                                        \
4242         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
4243         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
4244 } while (0)
4245 void
4246 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
4247 {
4248         struct swm_geometry     win_g, r_g = *g;
4249         struct ws_win           *win, *fs_win = NULL;
4250         int                     i, j, s, stacks;
4251         int                     w_inc = 1, h_inc, w_base = 1, h_base;
4252         int                     hrh, extra = 0, h_slice, last_h = 0;
4253         int                     split, colno, winno, mwin, msize, mscale;
4254         int                     remain, missing, v_slice, reconfigure = 0;
4255         int                     bordered = 1;
4256
4257         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
4258             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
4259
4260         winno = count_win(ws, 0);
4261         if (winno == 0 && count_win(ws, 1) == 0)
4262                 return;
4263
4264         TAILQ_FOREACH(win, &ws->winlist, entry)
4265                 if (!win->transient && !win->floating && !win->iconic)
4266                         break;
4267
4268         if (win == NULL)
4269                 goto notiles;
4270
4271         if (rot) {
4272                 w_inc = win->sh.width_inc;
4273                 w_base = win->sh.base_width;
4274                 mwin = ws->l_state.horizontal_mwin;
4275                 mscale = ws->l_state.horizontal_msize;
4276                 stacks = ws->l_state.horizontal_stacks;
4277                 SWAPXY(&r_g);
4278         } else {
4279                 w_inc = win->sh.height_inc;
4280                 w_base = win->sh.base_height;
4281                 mwin = ws->l_state.vertical_mwin;
4282                 mscale = ws->l_state.vertical_msize;
4283                 stacks = ws->l_state.vertical_stacks;
4284         }
4285         win_g = r_g;
4286
4287         if (stacks > winno - mwin)
4288                 stacks = winno - mwin;
4289         if (stacks < 1)
4290                 stacks = 1;
4291
4292         h_slice = r_g.h / SWM_H_SLICE;
4293         if (mwin && winno > mwin) {
4294                 v_slice = r_g.w / SWM_V_SLICE;
4295
4296                 split = mwin;
4297                 colno = split;
4298                 win_g.w = v_slice * mscale;
4299
4300                 if (w_inc > 1 && w_inc < v_slice) {
4301                         /* adjust for window's requested size increment */
4302                         remain = (win_g.w - w_base) % w_inc;
4303                         win_g.w -= remain;
4304                 }
4305
4306                 msize = win_g.w;
4307                 if (flip)
4308                         win_g.x += r_g.w - msize;
4309         } else {
4310                 msize = -2;
4311                 colno = split = winno / stacks;
4312                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
4313                     2 * border_width) / stacks);
4314         }
4315         hrh = r_g.h / colno;
4316         extra = r_g.h - (colno * hrh);
4317         win_g.h = hrh - 2 * border_width;
4318
4319         /*  stack all the tiled windows */
4320         i = j = 0, s = stacks;
4321         TAILQ_FOREACH(win, &ws->winlist, entry) {
4322                 if (win->transient || win->floating || win->iconic)
4323                         continue;
4324
4325                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4326                         fs_win = win;
4327                         continue;
4328                 }
4329
4330                 if (split && i == split) {
4331                         colno = (winno - mwin) / stacks;
4332                         if (s <= (winno - mwin) % stacks)
4333                                 colno++;
4334                         split += colno;
4335                         hrh = r_g.h / colno;
4336                         extra = r_g.h - (colno * hrh);
4337
4338                         if (!flip)
4339                                 win_g.x += win_g.w + 2 * border_width +
4340                                     tile_gap;
4341
4342                         win_g.w = (r_g.w - msize -
4343                             (stacks * (2 * border_width + tile_gap))) / stacks;
4344                         if (s == 1)
4345                                 win_g.w += (r_g.w - msize -
4346                                     (stacks * (2 * border_width + tile_gap))) %
4347                                     stacks;
4348
4349                         if (flip)
4350                                 win_g.x -= win_g.w + 2 * border_width +
4351                                     tile_gap;
4352                         s--;
4353                         j = 0;
4354                 }
4355
4356                 win_g.h = hrh - 2 * border_width - tile_gap;
4357
4358                 if (rot) {
4359                         h_inc = win->sh.width_inc;
4360                         h_base = win->sh.base_width;
4361                 } else {
4362                         h_inc = win->sh.height_inc;
4363                         h_base = win->sh.base_height;
4364                 }
4365
4366                 if (j == colno - 1) {
4367                         win_g.h = hrh + extra;
4368                 } else if (h_inc > 1 && h_inc < h_slice) {
4369                         /* adjust for window's requested size increment */
4370                         remain = (win_g.h - h_base) % h_inc;
4371                         missing = h_inc - remain;
4372
4373                         if (missing <= extra || j == 0) {
4374                                 extra -= missing;
4375                                 win_g.h += missing;
4376                         } else {
4377                                 win_g.h -= remain;
4378                                 extra += remain;
4379                         }
4380                 }
4381
4382                 if (j == 0)
4383                         win_g.y = r_g.y;
4384                 else
4385                         win_g.y += last_h + 2 * border_width + tile_gap;
4386
4387                 if (disable_border && !(bar_enabled && ws->bar_enabled) &&
4388                     winno == 1){
4389                         bordered = 0;
4390                         win_g.w += 2 * border_width;
4391                         win_g.h += 2 * border_width;
4392                 } else {
4393                         bordered = 1;
4394                 }
4395
4396                 if (rot) {
4397                         if (X(win) != win_g.y || Y(win) != win_g.x ||
4398                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
4399                                 reconfigure = 1;
4400                                 X(win) = win_g.y;
4401                                 Y(win) = win_g.x;
4402                                 WIDTH(win) = win_g.h;
4403                                 HEIGHT(win) = win_g.w;
4404                         }
4405                 } else {
4406                         if (X(win) != win_g.x || Y(win) != win_g.y ||
4407                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
4408                                 reconfigure = 1;
4409                                 X(win) = win_g.x;
4410                                 Y(win) = win_g.y;
4411                                 WIDTH(win) = win_g.w;
4412                                 HEIGHT(win) = win_g.h;
4413                         }
4414                 }
4415
4416                 if (bordered != win->bordered) {
4417                         reconfigure = 1;
4418                         win->bordered = bordered;
4419                 }
4420
4421                 if (reconfigure) {
4422                         adjust_font(win);
4423                         update_window(win);
4424                 }
4425
4426                 map_window(win, get_sibling(win, SWM_STACK_BELOW));
4427
4428                 last_h = win_g.h;
4429                 i++;
4430                 j++;
4431         }
4432
4433         /* Map/raise focused tiled window to top if windows could overlap. */
4434         if (tile_gap < 0 && ws->focus != NULL && !ws->focus->floating)
4435                 map_window(ws->focus, get_sibling(ws->focus, SWM_STACK_TOP));
4436
4437 notiles:
4438         /* now, stack all the floaters and transients */
4439         TAILQ_FOREACH(win, &ws->winlist, entry) {
4440                 if (!win->transient && !win->floating)
4441                         continue;
4442                 if (win->iconic)
4443                         continue;
4444                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4445                         fs_win = win;
4446                         continue;
4447                 }
4448
4449                 stack_floater(win, ws->r);
4450                 map_window(win, XCB_WINDOW_NONE);
4451         }
4452
4453         /* Make sure fs_win is stacked last so it's on top. */
4454         if (fs_win) {
4455                 stack_floater(fs_win, ws->r);
4456                 map_window(fs_win, XCB_WINDOW_NONE);
4457         }
4458 }
4459
4460 void
4461 vertical_config(struct workspace *ws, int id)
4462 {
4463         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
4464             id, ws->idx);
4465
4466         switch (id) {
4467         case SWM_ARG_ID_STACKRESET:
4468         case SWM_ARG_ID_STACKINIT:
4469                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
4470                 ws->l_state.vertical_mwin = 1;
4471                 ws->l_state.vertical_stacks = 1;
4472                 break;
4473         case SWM_ARG_ID_MASTERSHRINK:
4474                 if (ws->l_state.vertical_msize > 1)
4475                         ws->l_state.vertical_msize--;
4476                 break;
4477         case SWM_ARG_ID_MASTERGROW:
4478                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
4479                         ws->l_state.vertical_msize++;
4480                 break;
4481         case SWM_ARG_ID_MASTERADD:
4482                 ws->l_state.vertical_mwin++;
4483                 break;
4484         case SWM_ARG_ID_MASTERDEL:
4485                 if (ws->l_state.vertical_mwin > 0)
4486                         ws->l_state.vertical_mwin--;
4487                 break;
4488         case SWM_ARG_ID_STACKINC:
4489                 ws->l_state.vertical_stacks++;
4490                 break;
4491         case SWM_ARG_ID_STACKDEC:
4492                 if (ws->l_state.vertical_stacks > 1)
4493                         ws->l_state.vertical_stacks--;
4494                 break;
4495         case SWM_ARG_ID_FLIPLAYOUT:
4496                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
4497                 break;
4498         default:
4499                 return;
4500         }
4501 }
4502
4503 void
4504 vertical_stack(struct workspace *ws, struct swm_geometry *g)
4505 {
4506         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
4507
4508         stack_master(ws, g, 0, ws->l_state.vertical_flip);
4509 }
4510
4511 void
4512 horizontal_config(struct workspace *ws, int id)
4513 {
4514         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
4515
4516         switch (id) {
4517         case SWM_ARG_ID_STACKRESET:
4518         case SWM_ARG_ID_STACKINIT:
4519                 ws->l_state.horizontal_mwin = 1;
4520                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
4521                 ws->l_state.horizontal_stacks = 1;
4522                 break;
4523         case SWM_ARG_ID_MASTERSHRINK:
4524                 if (ws->l_state.horizontal_msize > 1)
4525                         ws->l_state.horizontal_msize--;
4526                 break;
4527         case SWM_ARG_ID_MASTERGROW:
4528                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
4529                         ws->l_state.horizontal_msize++;
4530                 break;
4531         case SWM_ARG_ID_MASTERADD:
4532                 ws->l_state.horizontal_mwin++;
4533                 break;
4534         case SWM_ARG_ID_MASTERDEL:
4535                 if (ws->l_state.horizontal_mwin > 0)
4536                         ws->l_state.horizontal_mwin--;
4537                 break;
4538         case SWM_ARG_ID_STACKINC:
4539                 ws->l_state.horizontal_stacks++;
4540                 break;
4541         case SWM_ARG_ID_STACKDEC:
4542                 if (ws->l_state.horizontal_stacks > 1)
4543                         ws->l_state.horizontal_stacks--;
4544                 break;
4545         case SWM_ARG_ID_FLIPLAYOUT:
4546                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
4547                 break;
4548         default:
4549                 return;
4550         }
4551 }
4552
4553 void
4554 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
4555 {
4556         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
4557
4558         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
4559 }
4560
4561 /* fullscreen view */
4562 void
4563 max_stack(struct workspace *ws, struct swm_geometry *g)
4564 {
4565         struct swm_geometry     gg = *g;
4566         struct ws_win           *w, *win = NULL, *parent = NULL;
4567         int                     winno;
4568
4569         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
4570
4571         if (ws == NULL)
4572                 return;
4573
4574         winno = count_win(ws, 0);
4575         if (winno == 0 && count_win(ws, 1) == 0)
4576                 return;
4577
4578         /* Figure out which top level window should be visible. */
4579         if (ws->focus_pending)
4580                 win = ws->focus_pending;
4581         else if (ws->focus)
4582                 win = ws->focus;
4583         else if (ws->focus_prev)
4584                 win = ws->focus_prev;
4585         else
4586                 win = TAILQ_FIRST(&ws->winlist);
4587
4588         if (win->transient)
4589                 parent = find_window(win->transient);
4590
4591         DNPRINTF(SWM_D_STACK, "max_stack: win: 0x%x\n", win->id);
4592
4593         /* maximize all top level windows */
4594         TAILQ_FOREACH(w, &ws->winlist, entry) {
4595                 if (w->transient || w->iconic)
4596                         continue;
4597
4598                 if (!w->mapped && w != win)
4599                         map_window(w, XCB_WINDOW_NONE);
4600
4601                 if (w->floating && !w->floatmaxed) {
4602                         /*
4603                          * retain geometry for retrieval on exit from
4604                          * max_stack mode
4605                          */
4606                         store_float_geom(w);
4607                         w->floatmaxed = 1;
4608                 }
4609
4610                 /* only reconfigure if necessary */
4611                 if (X(w) != gg.x || Y(w) != gg.y || WIDTH(w) != gg.w ||
4612                     HEIGHT(w) != gg.h) {
4613                         w->g = gg;
4614                         if (bar_enabled && ws->bar_enabled){
4615                                 w->bordered = 1;
4616                         } else {
4617                                 w->bordered = 0;
4618                                 WIDTH(w) += 2 * border_width;
4619                                 HEIGHT(w) += 2 * border_width;
4620                         }
4621
4622                         update_window(w);
4623                 }
4624         }
4625
4626         /* If a parent exists, map/raise it first. */
4627         if (parent) {
4628                 map_window(parent, XCB_WINDOW_NONE);
4629
4630                 /* Map siblings next. */
4631                 TAILQ_FOREACH(w, &ws->winlist, entry)
4632                         if (w != win && !w->iconic &&
4633                             w->transient == parent->id) {
4634                                 stack_floater(w, ws->r);
4635                                 map_window(w, XCB_WINDOW_NONE);
4636                         }
4637         }
4638
4639         /* Map/raise focused window. */
4640         map_window(win, XCB_WINDOW_NONE);
4641
4642         /* Finally, map/raise children of focus window. */
4643         TAILQ_FOREACH(w, &ws->winlist, entry)
4644                 if (w->transient == win->id && !w->iconic) {
4645                         stack_floater(w, ws->r);
4646                         map_window(w, XCB_WINDOW_NONE);
4647                 }
4648 }
4649
4650 void
4651 send_to_rg(struct swm_region *r, union arg *args)
4652 {
4653         int                     ridx = args->id, i, num_screens;
4654         struct swm_region       *rr = NULL;
4655         union arg               a;
4656
4657         num_screens = get_screen_count();
4658         /* do nothing if we don't have more than one screen */
4659         if (!(num_screens > 1 || outputs > 1))
4660                 return;
4661
4662         DNPRINTF(SWM_D_FOCUS, "send_to_rg: id: %d\n", ridx);
4663
4664         rr = TAILQ_FIRST(&r->s->rl);
4665         for (i = 0; i < ridx; ++i)
4666                 rr = TAILQ_NEXT(rr, entry);
4667
4668         if (rr == NULL)
4669                 return;
4670
4671         a.id = rr->ws->idx;
4672
4673         send_to_ws(r, &a);
4674 }
4675
4676 struct swm_region *
4677 region_under(struct swm_screen *s, int x, int y)
4678 {
4679         struct swm_region       *r = NULL;
4680
4681         TAILQ_FOREACH(r, &s->rl, entry) {
4682                 DNPRINTF(SWM_D_MISC, "region_under: ws: %d, region g: (%d,%d) "
4683                     "%d x %d, coords: (%d,%d)\n", r->ws->idx, X(r), Y(r),
4684                     WIDTH(r), HEIGHT(r), x, y);
4685                 if (X(r) <= x && x < MAX_X(r))
4686                         if (Y(r) <= y && y < MAX_Y(r))
4687                                 return (r);
4688         }
4689
4690         return (NULL);
4691 }
4692
4693 void
4694 send_to_ws(struct swm_region *r, union arg *args)
4695 {
4696         int                     wsid = args->id;
4697         struct ws_win           *win = NULL;
4698
4699         if (r && r->ws && r->ws->focus)
4700                 win = r->ws->focus;
4701         else
4702                 return;
4703
4704         DNPRINTF(SWM_D_MOVE, "send_to_ws: win 0x%x, ws %d\n", win->id, wsid);
4705
4706         win_to_ws(win, wsid, 1);
4707
4708         /* Restack and set new focus. */
4709         stack();
4710
4711         if (focus_mode != SWM_FOCUS_FOLLOW) {
4712                 if (r->ws->focus_pending) {
4713                         focus_win(r->ws->focus_pending);
4714                         r->ws->focus_pending = NULL;
4715                 } else {
4716                         xcb_set_input_focus(conn,
4717                             XCB_INPUT_FOCUS_PARENT, r->id,
4718                             XCB_CURRENT_TIME);
4719                 }
4720         }
4721
4722         focus_flush();
4723 }
4724
4725 void
4726 win_to_ws(struct ws_win *win, int wsid, int unfocus)
4727 {
4728         struct ws_win           *parent;
4729         struct workspace        *ws, *nws, *pws;
4730         char                    ws_idx_str[SWM_PROPLEN];
4731
4732         if (wsid >= workspace_limit)
4733                 return;
4734
4735         if (win->ws->idx == wsid)
4736                 return;
4737
4738         ws = win->ws;
4739         nws = &win->s->ws[wsid];
4740
4741         DNPRINTF(SWM_D_MOVE, "win_to_ws: win 0x%x, ws %d -> %d\n", win->id,
4742             ws->idx, wsid);
4743
4744         /* Update the window's workspace property: _SWM_WS */
4745         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
4746                 if (focus_mode != SWM_FOCUS_FOLLOW)
4747                         ws->focus_pending = get_focus_prev(win);
4748
4749                 /* Move the parent if this is a transient window. */
4750                 if (win->transient) {
4751                         parent = find_window(win->transient);
4752                         if (parent) {
4753                                 pws = parent->ws;
4754                                 /* Set new focus in parent's ws if needed. */
4755                                 if (pws->focus == parent) {
4756                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4757                                                 pws->focus_pending =
4758                                                     get_focus_prev(parent);
4759
4760                                         unfocus_win(parent);
4761
4762                                         if (focus_mode != SWM_FOCUS_FOLLOW) {
4763                                                 pws->focus = pws->focus_pending;
4764                                                 pws->focus_pending = NULL;
4765                                         }
4766                                 }
4767
4768                                 /* Don't unmap parent if new ws is visible */
4769                                 if (nws->r == NULL)
4770                                         unmap_window(parent);
4771
4772                                 /* Transfer */
4773                                 TAILQ_REMOVE(&ws->winlist, parent, entry);
4774                                 TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
4775                                 parent->ws = nws;
4776
4777                                 DNPRINTF(SWM_D_PROP, "win_to_ws: set "
4778                                     "property: _SWM_WS: %s\n", ws_idx_str);
4779                                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE,
4780                                     parent->id, a_swm_ws, XCB_ATOM_STRING, 8,
4781                                     strlen(ws_idx_str), ws_idx_str);
4782                         }
4783                 }
4784
4785                 if (unfocus)
4786                         unfocus_win(win);
4787
4788                 /* Don't unmap if new ws is visible */
4789                 if (nws->r == NULL)
4790                         unmap_window(win);
4791
4792                 /* Transfer */
4793                 TAILQ_REMOVE(&ws->winlist, win, entry);
4794                 TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
4795                 win->ws = nws;
4796
4797                 /* Set focus on new ws. */
4798                 unfocus_win(nws->focus);
4799                 nws->focus = win;
4800
4801                 DNPRINTF(SWM_D_PROP, "win_to_ws: set property: _SWM_WS: %s\n",
4802                     ws_idx_str);
4803                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
4804                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
4805                     ws_idx_str);
4806         }
4807
4808         DNPRINTF(SWM_D_MOVE, "win_to_ws: done.\n");
4809 }
4810
4811 void
4812 pressbutton(struct swm_region *r, union arg *args)
4813 {
4814         /* suppress unused warning since var is needed */
4815         (void)r;
4816
4817         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
4818             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4819         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
4820             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4821 }
4822
4823 void
4824 raise_toggle(struct swm_region *r, union arg *args)
4825 {
4826         /* suppress unused warning since var is needed */
4827         (void)args;
4828
4829         if (r == NULL || r->ws == NULL)
4830                 return;
4831
4832         r->ws->always_raise = !r->ws->always_raise;
4833
4834         /* bring floaters back to top */
4835         if (!r->ws->always_raise)
4836                 stack();
4837
4838         focus_flush();
4839 }
4840
4841 void
4842 iconify(struct swm_region *r, union arg *args)
4843 {
4844         /* suppress unused warning since var is needed */
4845         (void)args;
4846
4847         if (r->ws->focus == NULL)
4848                 return;
4849
4850         set_swm_iconic(r->ws->focus, 1);
4851
4852         xcb_flush(conn);
4853 }
4854
4855 char *
4856 get_win_name(xcb_window_t win)
4857 {
4858         char                            *name = NULL;
4859         xcb_get_property_cookie_t       c;
4860         xcb_get_property_reply_t        *r;
4861
4862         /* First try _NET_WM_NAME for UTF-8. */
4863         c = xcb_get_property(conn, 0, win, a_netwmname,
4864             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4865         r = xcb_get_property_reply(conn, c, NULL);
4866
4867         if (r) {
4868                 if (r->type == XCB_NONE) {
4869                         free(r);
4870                         /* Use WM_NAME instead; no UTF-8. */
4871                         c = xcb_get_property(conn, 0, win, XCB_ATOM_WM_NAME,
4872                             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4873                         r = xcb_get_property_reply(conn, c, NULL);
4874
4875                         if (!r)
4876                                 return (NULL);
4877                         if (r->type == XCB_NONE) {
4878                                 free(r);
4879                                 return (NULL);
4880                         }
4881                 }
4882                 if (r->length > 0)
4883                         name = strndup(xcb_get_property_value(r),
4884                             xcb_get_property_value_length(r));
4885
4886                 free(r);
4887         }
4888
4889         return (name);
4890 }
4891
4892 void
4893 uniconify(struct swm_region *r, union arg *args)
4894 {
4895         struct ws_win           *win;
4896         FILE                    *lfile;
4897         char                    *name;
4898         int                     count = 0;
4899
4900         DNPRINTF(SWM_D_MISC, "uniconify\n");
4901
4902         if (r == NULL || r->ws == NULL)
4903                 return;
4904
4905         /* make sure we have anything to uniconify */
4906         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4907                 if (win->ws == NULL)
4908                         continue; /* should never happen */
4909                 if (!win->iconic)
4910                         continue;
4911                 count++;
4912         }
4913         if (count == 0)
4914                 return;
4915
4916         search_r = r;
4917         search_resp_action = SWM_SEARCH_UNICONIFY;
4918
4919         spawn_select(r, args, "search", &searchpid);
4920
4921         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4922                 return;
4923
4924         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4925                 if (win->ws == NULL)
4926                         continue; /* should never happen */
4927                 if (!win->iconic)
4928                         continue;
4929
4930                 name = get_win_name(win->id);
4931                 if (name == NULL)
4932                         continue;
4933                 fprintf(lfile, "%s.%u\n", name, win->id);
4934                 free(name);
4935         }
4936
4937         fclose(lfile);
4938 }
4939
4940 void
4941 name_workspace(struct swm_region *r, union arg *args)
4942 {
4943         FILE                    *lfile;
4944
4945         DNPRINTF(SWM_D_MISC, "name_workspace\n");
4946
4947         if (r == NULL)
4948                 return;
4949
4950         search_r = r;
4951         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
4952
4953         spawn_select(r, args, "name_workspace", &searchpid);
4954
4955         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4956                 return;
4957
4958         fprintf(lfile, "%s", "");
4959         fclose(lfile);
4960 }
4961
4962 void
4963 search_workspace(struct swm_region *r, union arg *args)
4964 {
4965         int                     i;
4966         struct workspace        *ws;
4967         FILE                    *lfile;
4968
4969         DNPRINTF(SWM_D_MISC, "search_workspace\n");
4970
4971         if (r == NULL)
4972                 return;
4973
4974         search_r = r;
4975         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
4976
4977         spawn_select(r, args, "search", &searchpid);
4978
4979         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4980                 return;
4981
4982         for (i = 0; i < workspace_limit; i++) {
4983                 ws = &r->s->ws[i];
4984                 if (ws == NULL)
4985                         continue;
4986                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
4987                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
4988         }
4989
4990         fclose(lfile);
4991 }
4992
4993 void
4994 search_win_cleanup(void)
4995 {
4996         struct search_window    *sw = NULL;
4997
4998         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
4999                 xcb_destroy_window(conn, sw->indicator);
5000                 TAILQ_REMOVE(&search_wl, sw, entry);
5001                 free(sw);
5002         }
5003 }
5004
5005 void
5006 search_win(struct swm_region *r, union arg *args)
5007 {
5008         struct ws_win           *win = NULL;
5009         struct search_window    *sw = NULL;
5010         xcb_window_t            w;
5011         uint32_t                wa[2];
5012         int                     i, width, height;
5013         char                    s[8];
5014         FILE                    *lfile;
5015         size_t                  len;
5016         XftDraw                 *draw;
5017         XGlyphInfo              info;
5018         GC                      l_draw;
5019         XGCValues               l_gcv;
5020         XRectangle              l_ibox, l_lbox;
5021
5022         DNPRINTF(SWM_D_MISC, "search_win\n");
5023
5024         search_r = r;
5025         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
5026
5027         spawn_select(r, args, "search", &searchpid);
5028
5029         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
5030                 return;
5031
5032         TAILQ_INIT(&search_wl);
5033
5034         i = 1;
5035         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
5036                 if (win->iconic)
5037                         continue;
5038
5039                 sw = calloc(1, sizeof(struct search_window));
5040                 if (sw == NULL) {
5041                         warn("search_win: calloc");
5042                         fclose(lfile);
5043                         search_win_cleanup();
5044                         return;
5045                 }
5046                 sw->idx = i;
5047                 sw->win = win;
5048
5049                 snprintf(s, sizeof s, "%d", i);
5050                 len = strlen(s);
5051
5052                 w = xcb_generate_id(conn);
5053                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
5054                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].pixel;
5055
5056                 if (bar_font_legacy) {
5057                         XmbTextExtents(bar_fs, s, len, &l_ibox, &l_lbox);
5058                         width = l_lbox.width + 4;
5059                         height = bar_fs_extents->max_logical_extent.height + 4;
5060                 } else {
5061                         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len,
5062                             &info);
5063                         width = info.width + 4;
5064                         height = bar_font->height + 4;
5065                 }
5066
5067                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
5068                     width, height, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
5069                     XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL |
5070                     XCB_CW_BORDER_PIXEL, wa);
5071
5072                 xcb_map_window(conn, w);
5073
5074                 sw->indicator = w;
5075                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
5076
5077                 if (bar_font_legacy) {
5078                         l_gcv.graphics_exposures = 0;
5079                         l_draw = XCreateGC(display, w, 0, &l_gcv);
5080
5081                         XSetForeground(display, l_draw,
5082                                 r->s->c[SWM_S_COLOR_BAR].pixel);
5083
5084                         DRAWSTRING(display, w, bar_fs, l_draw, 2,
5085                             (bar_fs_extents->max_logical_extent.height -
5086                             l_lbox.height) / 2 - l_lbox.y, s, len);
5087
5088                         XFreeGC(display, l_draw);
5089                 } else {
5090
5091                         draw = XftDrawCreate(display, w,
5092                             DefaultVisual(display, r->s->idx),
5093                             DefaultColormap(display, r->s->idx));
5094
5095                         XftDrawStringUtf8(draw, &bar_font_color, bar_font, 2,
5096                             (HEIGHT(r->bar) + bar_font->height) / 2 -
5097                             bar_font->descent, (FcChar8 *)s, len);
5098
5099                         XftDrawDestroy(draw);
5100                 }
5101
5102                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
5103
5104                 fprintf(lfile, "%d\n", i);
5105                 i++;
5106         }
5107
5108         fclose(lfile);
5109
5110         xcb_flush(conn);
5111 }
5112
5113 void
5114 search_resp_uniconify(const char *resp, size_t len)
5115 {
5116         char                    *name;
5117         struct ws_win           *win;
5118         char                    *s;
5119
5120         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
5121
5122         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
5123                 if (!win->iconic)
5124                         continue;
5125                 name = get_win_name(win->id);
5126                 if (name == NULL)
5127                         continue;
5128                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
5129                         free(name);
5130                         continue;
5131                 }
5132                 free(name);
5133                 if (strncmp(s, resp, len) == 0) {
5134                         /* XXX this should be a callback to generalize */
5135                         set_swm_iconic(win, 0);
5136                         free(s);
5137                         break;
5138                 }
5139                 free(s);
5140         }
5141 }
5142
5143 void
5144 search_resp_name_workspace(const char *resp, size_t len)
5145 {
5146         struct workspace        *ws;
5147
5148         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
5149
5150         if (search_r->ws == NULL)
5151                 return;
5152         ws = search_r->ws;
5153
5154         if (ws->name) {
5155                 free(search_r->ws->name);
5156                 search_r->ws->name = NULL;
5157         }
5158
5159         if (len > 1) {
5160                 ws->name = strdup(resp);
5161                 if (ws->name == NULL) {
5162                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
5163                             "strdup: %s", strerror(errno));
5164                         return;
5165                 }
5166         }
5167 }
5168
5169 void
5170 search_resp_search_workspace(const char *resp)
5171 {
5172         char                    *p, *q;
5173         int                     ws_idx;
5174         const char              *errstr;
5175         union arg               a;
5176
5177         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
5178
5179         q = strdup(resp);
5180         if (!q) {
5181                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
5182                     strerror(errno));
5183                 return;
5184         }
5185         p = strchr(q, ':');
5186         if (p != NULL)
5187                 *p = '\0';
5188         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
5189         if (errstr) {
5190                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
5191                     errstr, q);
5192                 free(q);
5193                 return;
5194         }
5195         free(q);
5196         a.id = ws_idx - 1;
5197         switchws(search_r, &a);
5198 }
5199
5200 void
5201 search_resp_search_window(const char *resp)
5202 {
5203         char                    *s;
5204         int                     idx;
5205         const char              *errstr;
5206         struct search_window    *sw;
5207
5208         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
5209
5210         s = strdup(resp);
5211         if (!s) {
5212                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
5213                     strerror(errno));
5214                 return;
5215         }
5216
5217         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
5218         if (errstr) {
5219                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
5220                     errstr, s);
5221                 free(s);
5222                 return;
5223         }
5224         free(s);
5225
5226         TAILQ_FOREACH(sw, &search_wl, entry)
5227                 if (idx == sw->idx) {
5228                         focus_win(sw->win);
5229                         break;
5230                 }
5231 }
5232
5233 #define MAX_RESP_LEN    1024
5234
5235 void
5236 search_do_resp(void)
5237 {
5238         ssize_t                 rbytes;
5239         char                    *resp;
5240         size_t                  len;
5241
5242         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
5243
5244         search_resp = 0;
5245         searchpid = 0;
5246
5247         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
5248                 warn("search: calloc");
5249                 goto done;
5250         }
5251
5252         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
5253         if (rbytes <= 0) {
5254                 warn("search: read error");
5255                 goto done;
5256         }
5257         resp[rbytes] = '\0';
5258
5259         /* XXX:
5260          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
5261          * newline, so work around that by sanitizing the resp now.
5262          */
5263         resp[strcspn(resp, "\n")] = '\0';
5264         len = strlen(resp);
5265
5266         switch (search_resp_action) {
5267         case SWM_SEARCH_UNICONIFY:
5268                 search_resp_uniconify(resp, len);
5269                 break;
5270         case SWM_SEARCH_NAME_WORKSPACE:
5271                 search_resp_name_workspace(resp, len);
5272                 break;
5273         case SWM_SEARCH_SEARCH_WORKSPACE:
5274                 search_resp_search_workspace(resp);
5275                 break;
5276         case SWM_SEARCH_SEARCH_WINDOW:
5277                 search_resp_search_window(resp);
5278                 break;
5279         }
5280
5281 done:
5282         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
5283                 search_win_cleanup();
5284
5285         search_resp_action = SWM_SEARCH_NONE;
5286         close(select_resp_pipe[0]);
5287         free(resp);
5288
5289         xcb_flush(conn);
5290 }
5291
5292 void
5293 wkill(struct swm_region *r, union arg *args)
5294 {
5295         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
5296
5297         if (r->ws->focus == NULL)
5298                 return;
5299
5300         if (args->id == SWM_ARG_ID_KILLWINDOW)
5301                 xcb_kill_client(conn, r->ws->focus->id);
5302         else
5303                 if (r->ws->focus->can_delete)
5304                         client_msg(r->ws->focus, a_delete, 0);
5305
5306         focus_flush();
5307 }
5308
5309 int
5310 floating_toggle_win(struct ws_win *win)
5311 {
5312         struct swm_region       *r;
5313
5314         if (win == NULL)
5315                 return (0);
5316
5317         if (!win->ws->r)
5318                 return (0);
5319
5320         r = win->ws->r;
5321
5322         /* reject floating toggles in max stack mode */
5323         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
5324                 return (0);
5325
5326         if (win->floating) {
5327                 if (!win->floatmaxed) {
5328                         /* retain position for refloat */
5329                         store_float_geom(win);
5330                 }
5331                 win->floating = 0;
5332         } else {
5333                 load_float_geom(win);
5334                 win->floating = 1;
5335         }
5336
5337         ewmh_update_actions(win);
5338
5339         return (1);
5340 }
5341
5342 void
5343 floating_toggle(struct swm_region *r, union arg *args)
5344 {
5345         struct ws_win           *win = r->ws->focus;
5346
5347         /* suppress unused warning since var is needed */
5348         (void)args;
5349
5350         if (win == NULL)
5351                 return;
5352
5353         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5354                 return;
5355
5356         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5357             _NET_WM_STATE_TOGGLE);
5358
5359         stack();
5360
5361         if (win == win->ws->focus)
5362                 focus_win(win);
5363
5364         focus_flush();
5365 }
5366
5367 void
5368 region_containment(struct ws_win *win, struct swm_region *r, int opts)
5369 {
5370         struct swm_geometry             g = r->g;
5371         int                             rt, lt, tp, bm, bw;
5372
5373         bw = (opts & SWM_CW_SOFTBOUNDARY) ? boundary_width : 0;
5374
5375         /*
5376          * Perpendicular distance of each side of the window to the respective
5377          * side of the region boundary.  Positive values indicate the side of
5378          * the window has passed beyond the region boundary.
5379          */
5380         rt = opts & SWM_CW_RIGHT ? MAX_X(win) + BORDER(win) - MAX_X(r) : bw;
5381         lt = opts & SWM_CW_LEFT ? X(r) - X(win) + BORDER(win) : bw;
5382         bm = opts & SWM_CW_BOTTOM ? MAX_Y(win) + BORDER(win) - MAX_Y(r) : bw;
5383         tp = opts & SWM_CW_TOP ? Y(r) - Y(win) + BORDER(win) : bw;
5384
5385         DNPRINTF(SWM_D_MISC, "region_containment: win 0x%x, rt: %d, lt: %d, "
5386             "bm: %d, tp: %d, SOFTBOUNDARY: %s, HARDBOUNDARY: %s\n", win->id, rt,
5387             lt, bm, tp, YESNO(opts & SWM_CW_SOFTBOUNDARY),
5388             YESNO(opts & SWM_CW_HARDBOUNDARY));
5389
5390         /*
5391          * Disable containment if any of the flagged sides went beyond the
5392          * containment boundary, or if containment is disabled.
5393          */
5394         if (!(opts & SWM_CW_HARDBOUNDARY || opts & SWM_CW_SOFTBOUNDARY) ||
5395             (bw != 0 && ((rt > bw) || (lt > bw) || (bm > bw) || (tp > bw)))) {
5396                 /* Make sure window has at least 1 pixel in the region */
5397                 g.x += 1 - WIDTH(win);
5398                 g.y += 1 - HEIGHT(win);
5399                 g.w += 2 * WIDTH(win) - 2;
5400                 g.h += 2 * HEIGHT(win) - 2;
5401         }
5402
5403         constrain_window(win, &g, &opts);
5404 }
5405
5406 /* Move or resize a window so that flagged side(s) fit into the supplied box. */
5407 void
5408 constrain_window(struct ws_win *win, struct swm_geometry *b, int *opts)
5409 {
5410         DNPRINTF(SWM_D_MISC, "constrain_window: window: 0x%x, (x,y) w x h: "
5411             "(%d,%d) %d x %d, box: (x,y) w x h: (%d,%d) %d x %d, rt: %s, "
5412             "lt: %s, bt: %s, tp: %s, allow resize: %s\n", win->id, X(win),
5413             Y(win), WIDTH(win), HEIGHT(win), b->x, b->y, b->w, b->h,
5414             YESNO(*opts & SWM_CW_RIGHT), YESNO(*opts & SWM_CW_LEFT),
5415             YESNO(*opts & SWM_CW_BOTTOM), YESNO(*opts & SWM_CW_TOP),
5416             YESNO(*opts & SWM_CW_RESIZABLE));
5417
5418         if ((*opts & SWM_CW_RIGHT) && MAX_X(win) + BORDER(win) > b->x + b->w) {
5419                 if (*opts & SWM_CW_RESIZABLE)
5420                         WIDTH(win) = b->x + b->w - X(win) - BORDER(win);
5421                 else
5422                         X(win) = b->x + b->w - WIDTH(win) - BORDER(win);
5423         }
5424
5425         if ((*opts & SWM_CW_LEFT) && X(win) + BORDER(win) < b->x) {
5426                 if (*opts & SWM_CW_RESIZABLE)
5427                         WIDTH(win) -= b->x - X(win) - BORDER(win);
5428
5429                 X(win) = b->x - BORDER(win);
5430         }
5431
5432         if ((*opts & SWM_CW_BOTTOM) && MAX_Y(win) + BORDER(win) > b->y + b->h) {
5433                 if (*opts & SWM_CW_RESIZABLE)
5434                         HEIGHT(win) = b->y + b->h - Y(win) - BORDER(win);
5435                 else
5436                         Y(win) = b->y + b->h - HEIGHT(win) - BORDER(win);
5437         }
5438
5439         if ((*opts & SWM_CW_TOP) && Y(win) + BORDER(win) < b->y) {
5440                 if (*opts & SWM_CW_RESIZABLE)
5441                         HEIGHT(win) -= b->y - Y(win) - BORDER(win);
5442
5443                 Y(win) = b->y - BORDER(win);
5444         }
5445
5446         if (*opts & SWM_CW_RESIZABLE) {
5447                 if (WIDTH(win) < 1)
5448                         WIDTH(win) = 1;
5449                 if (HEIGHT(win) < 1)
5450                         HEIGHT(win) = 1;
5451         }
5452 }
5453
5454 void
5455 update_window(struct ws_win *win)
5456 {
5457         uint16_t        mask;
5458         uint32_t        wc[5];
5459
5460         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
5461             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
5462             XCB_CONFIG_WINDOW_BORDER_WIDTH;
5463         wc[0] = X(win);
5464         wc[1] = Y(win);
5465         wc[2] = WIDTH(win);
5466         wc[3] = HEIGHT(win);
5467         wc[4] = BORDER(win);
5468
5469         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
5470             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
5471             wc[3], YESNO(win->bordered));
5472
5473         xcb_configure_window(conn, win->id, mask, wc);
5474 }
5475
5476 #define SWM_RESIZE_STEPS        (50)
5477
5478 void
5479 resize(struct ws_win *win, union arg *args)
5480 {
5481         xcb_timestamp_t         timestamp = 0;
5482         struct swm_region       *r = NULL;
5483         int                     resize_stp = 0;
5484         struct swm_geometry     g;
5485         int                     top = 0, left = 0, resizing;
5486         int                     dx, dy;
5487         xcb_cursor_t                    cursor;
5488         xcb_query_pointer_reply_t       *xpr = NULL;
5489         xcb_generic_event_t             *evt;
5490         xcb_motion_notify_event_t       *mne;
5491
5492         if (win == NULL)
5493                 return;
5494         r = win->ws->r;
5495
5496         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5497                 return;
5498
5499         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
5500             "transient: 0x%x\n", win->id, YESNO(win->floating),
5501             win->transient);
5502
5503         if (!win->transient && !win->floating)
5504                 return;
5505
5506         /* reject resizes in max mode for floaters (transient ok) */
5507         if (win->floatmaxed)
5508                 return;
5509
5510         win->manual = 1;
5511         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5512             _NET_WM_STATE_ADD);
5513
5514         stack();
5515
5516         focus_flush();
5517
5518         /* It's possible for win to have been freed during focus_flush(). */
5519         if (validate_win(win)) {
5520                 DNPRINTF(SWM_D_EVENT, "resize: invalid win.\n");
5521                 goto out;
5522         }
5523
5524         switch (args->id) {
5525         case SWM_ARG_ID_WIDTHSHRINK:
5526                 WIDTH(win) -= SWM_RESIZE_STEPS;
5527                 resize_stp = 1;
5528                 break;
5529         case SWM_ARG_ID_WIDTHGROW:
5530                 WIDTH(win) += SWM_RESIZE_STEPS;
5531                 resize_stp = 1;
5532                 break;
5533         case SWM_ARG_ID_HEIGHTSHRINK:
5534                 HEIGHT(win) -= SWM_RESIZE_STEPS;
5535                 resize_stp = 1;
5536                 break;
5537         case SWM_ARG_ID_HEIGHTGROW:
5538                 HEIGHT(win) += SWM_RESIZE_STEPS;
5539                 resize_stp = 1;
5540                 break;
5541         default:
5542                 break;
5543         }
5544         if (resize_stp) {
5545                 region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
5546                     SWM_CW_HARDBOUNDARY);
5547                 update_window(win);
5548                 store_float_geom(win);
5549                 return;
5550         }
5551
5552         region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
5553             SWM_CW_SOFTBOUNDARY);
5554         update_window(win);
5555
5556         /* get cursor offset from window root */
5557         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5558             NULL);
5559         if (!xpr)
5560                 return;
5561
5562         g = win->g;
5563
5564         if (xpr->win_x < WIDTH(win) / 2)
5565                 left = 1;
5566
5567         if (xpr->win_y < HEIGHT(win) / 2)
5568                 top = 1;
5569
5570         if (args->id == SWM_ARG_ID_CENTER)
5571                 cursor = cursors[XC_SIZING].cid;
5572         else if (top)
5573                 cursor = cursors[left ? XC_TOP_LEFT_CORNER :
5574                     XC_TOP_RIGHT_CORNER].cid;
5575         else
5576                 cursor = cursors[left ? XC_BOTTOM_LEFT_CORNER :
5577                     XC_BOTTOM_RIGHT_CORNER].cid;
5578
5579         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5580             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
5581             XCB_CURRENT_TIME),
5582
5583         xcb_flush(conn);
5584         resizing = 1;
5585         while (resizing && (evt = xcb_wait_for_event(conn))) {
5586                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5587                 case XCB_BUTTON_RELEASE:
5588                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
5589                         resizing = 0;
5590                         break;
5591                 case XCB_MOTION_NOTIFY:
5592                         mne = (xcb_motion_notify_event_t *)evt;
5593                         /* cursor offset/delta from start of the operation */
5594                         dx = mne->root_x - xpr->root_x;
5595                         dy = mne->root_y - xpr->root_y;
5596
5597                         /* vertical */
5598                         if (top)
5599                                 dy = -dy;
5600
5601                         if (args->id == SWM_ARG_ID_CENTER) {
5602                                 if (g.h / 2 + dy < 1)
5603                                         dy = 1 - g.h / 2;
5604
5605                                 Y(win) = g.y - dy;
5606                                 HEIGHT(win) = g.h + 2 * dy;
5607                         } else {
5608                                 if (g.h + dy < 1)
5609                                         dy = 1 - g.h;
5610
5611                                 if (top)
5612                                         Y(win) = g.y - dy;
5613
5614                                 HEIGHT(win) = g.h + dy;
5615                         }
5616
5617                         /* horizontal */
5618                         if (left)
5619                                 dx = -dx;
5620
5621                         if (args->id == SWM_ARG_ID_CENTER) {
5622                                 if (g.w / 2 + dx < 1)
5623                                         dx = 1 - g.w / 2;
5624
5625                                 X(win) = g.x - dx;
5626                                 WIDTH(win) = g.w + 2 * dx;
5627                         } else {
5628                                 if (g.w + dx < 1)
5629                                         dx = 1 - g.w;
5630
5631                                 if (left)
5632                                         X(win) = g.x - dx;
5633
5634                                 WIDTH(win) = g.w + dx;
5635                         }
5636
5637                         /* not free, don't sync more than 120 times / second */
5638                         if ((mne->time - timestamp) > (1000 / 120) ) {
5639                                 timestamp = mne->time;
5640                                 regionize(win, mne->root_x, mne->root_y);
5641                                 region_containment(win, r, SWM_CW_ALLSIDES |
5642                                     SWM_CW_RESIZABLE | SWM_CW_HARDBOUNDARY |
5643                                     SWM_CW_SOFTBOUNDARY);
5644                                 update_window(win);
5645                                 xcb_flush(conn);
5646                         }
5647                         break;
5648                 default:
5649                         event_handle(evt);
5650
5651                         /* It's possible for win to have been freed above. */
5652                         if (validate_win(win)) {
5653                                 DNPRINTF(SWM_D_EVENT, "resize: invalid win.\n");
5654                                 goto out;
5655                         }
5656                         break;
5657                 }
5658                 free(evt);
5659         }
5660         if (timestamp) {
5661                 region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
5662                     SWM_CW_HARDBOUNDARY | SWM_CW_SOFTBOUNDARY);
5663                 update_window(win);
5664                 xcb_flush(conn);
5665         }
5666         store_float_geom(win);
5667 out:
5668         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5669         free(xpr);
5670         DNPRINTF(SWM_D_EVENT, "resize: done.\n");
5671 }
5672
5673 void
5674 resize_step(struct swm_region *r, union arg *args)
5675 {
5676         struct ws_win           *win = NULL;
5677
5678         if (r && r->ws && r->ws->focus)
5679                 win = r->ws->focus;
5680         else
5681                 return;
5682
5683         resize(win, args);
5684         focus_flush();
5685 }
5686
5687 /* Try to set window region based on supplied coordinates or window center. */
5688 void
5689 regionize(struct ws_win *win, int x, int y)
5690 {
5691         struct swm_region *r = NULL;
5692
5693         r = region_under(win->s, x, y);
5694         if (r == NULL)
5695                 r = region_under(win->s, X(win) + WIDTH(win) / 2,
5696                     Y(win) + HEIGHT(win) / 2);
5697
5698         if (r && r != win->ws->r) {
5699                 win_to_ws(win, r->ws->idx, 0);
5700                 set_region(r);
5701         }
5702 }
5703
5704 #define SWM_MOVE_STEPS  (50)
5705
5706 void
5707 move(struct ws_win *win, union arg *args)
5708 {
5709         xcb_timestamp_t         timestamp = 0;
5710         int                     move_stp = 0, moving;
5711         struct swm_region       *r = NULL;
5712         xcb_query_pointer_reply_t       *qpr = NULL;
5713         xcb_generic_event_t             *evt;
5714         xcb_motion_notify_event_t       *mne;
5715
5716         if (win == NULL)
5717                 return;
5718         r = win->ws->r;
5719
5720         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5721                 return;
5722
5723         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
5724             "0x%x\n", win->id, YESNO(win->floating), win->transient);
5725
5726         /* in max_stack mode should only move transients */
5727         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
5728                 return;
5729
5730         if (!win->manual) {
5731                 win->manual = 1;
5732                 ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5733                     _NET_WM_STATE_ADD);
5734         }
5735
5736         /* When a stacked win is moved, float it and restack. */
5737         if (!win->floating && !win->transient) {
5738                 store_float_geom(win);
5739                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5740                     _NET_WM_STATE_ADD);
5741                 stack();
5742         }
5743
5744         focus_flush();
5745
5746         /* It's possible for win to have been freed during focus_flush(). */
5747         if (validate_win(win)) {
5748                 DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
5749                 goto out;
5750         }
5751
5752         move_stp = 0;
5753         switch (args->id) {
5754         case SWM_ARG_ID_MOVELEFT:
5755                 X(win) -= (SWM_MOVE_STEPS - border_width);
5756                 move_stp = 1;
5757                 break;
5758         case SWM_ARG_ID_MOVERIGHT:
5759                 X(win) += (SWM_MOVE_STEPS - border_width);
5760                 move_stp = 1;
5761                 break;
5762         case SWM_ARG_ID_MOVEUP:
5763                 Y(win) -= (SWM_MOVE_STEPS - border_width);
5764                 move_stp = 1;
5765                 break;
5766         case SWM_ARG_ID_MOVEDOWN:
5767                 Y(win) += (SWM_MOVE_STEPS - border_width);
5768                 move_stp = 1;
5769                 break;
5770         default:
5771                 break;
5772         }
5773         if (move_stp) {
5774                 regionize(win, -1, -1);
5775                 region_containment(win, win->ws->r, SWM_CW_ALLSIDES);
5776                 update_window(win);
5777                 store_float_geom(win);
5778                 return;
5779         }
5780
5781         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5782             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
5783             XCB_WINDOW_NONE, cursors[XC_FLEUR].cid, XCB_CURRENT_TIME);
5784
5785         /* get cursor offset from window root */
5786         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5787                 NULL);
5788         if (!qpr) {
5789                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5790                 return;
5791         }
5792
5793         regionize(win, qpr->root_x, qpr->root_y);
5794         region_containment(win, win->ws->r, SWM_CW_ALLSIDES |
5795             SWM_CW_SOFTBOUNDARY);
5796         update_window(win);
5797         xcb_flush(conn);
5798         moving = 1;
5799         while (moving && (evt = xcb_wait_for_event(conn))) {
5800                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5801                 case XCB_BUTTON_RELEASE:
5802                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
5803                         moving = 0;
5804                         break;
5805                 case XCB_MOTION_NOTIFY:
5806                         mne = (xcb_motion_notify_event_t *)evt;
5807                         DNPRINTF(SWM_D_EVENT, "motion: root: 0x%x\n", mne->root);
5808                         X(win) = mne->root_x - qpr->win_x - border_width;
5809                         Y(win) = mne->root_y - qpr->win_y - border_width;
5810
5811                         /* not free, don't sync more than 120 times / second */
5812                         if ((mne->time - timestamp) > (1000 / 120) ) {
5813                                 timestamp = mne->time;
5814                                 regionize(win, mne->root_x, mne->root_y);
5815                                 region_containment(win, win->ws->r,
5816                                     SWM_CW_ALLSIDES | SWM_CW_SOFTBOUNDARY);
5817                                 update_window(win);
5818                                 xcb_flush(conn);
5819                         }
5820                         break;
5821                 default:
5822                         event_handle(evt);
5823
5824                         /* It's possible for win to have been freed above. */
5825                         if (validate_win(win)) {
5826                                 DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
5827                                 goto out;
5828                         }
5829                         break;
5830                 }
5831                 free(evt);
5832         }
5833         if (timestamp) {
5834                 region_containment(win, win->ws->r, SWM_CW_ALLSIDES |
5835                     SWM_CW_SOFTBOUNDARY);
5836                 update_window(win);
5837                 xcb_flush(conn);
5838         }
5839         store_float_geom(win);
5840 out:
5841         free(qpr);
5842         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5843         DNPRINTF(SWM_D_EVENT, "move: done.\n");
5844 }
5845
5846 void
5847 move_step(struct swm_region *r, union arg *args)
5848 {
5849         struct ws_win           *win = NULL;
5850
5851         if (r && r->ws && r->ws->focus)
5852                 win = r->ws->focus;
5853         else
5854                 return;
5855
5856         if (!win->transient && !win->floating)
5857                 return;
5858
5859         move(win, args);
5860         focus_flush();
5861 }
5862
5863 /* key definitions */
5864 struct keyfunc {
5865         char                    name[SWM_FUNCNAME_LEN];
5866         void                    (*func)(struct swm_region *r, union arg *);
5867         union arg               args;
5868 } keyfuncs[KF_INVALID + 1] = {
5869         /* name                 function        argument */
5870         { "bar_toggle",         bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE} },
5871         { "bar_toggle_ws",      bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE_WS} },
5872         { "button2",            pressbutton,    {2} },
5873         { "cycle_layout",       cycle_layout,   {0} },
5874         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
5875         { "float_toggle",       floating_toggle,{0} },
5876         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
5877         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
5878         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
5879         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
5880         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
5881         { "iconify",            iconify,        {0} },
5882         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
5883         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
5884         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
5885         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
5886         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
5887         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
5888         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
5889         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
5890         { "mvrg_1",             send_to_rg,     {.id = 0} },
5891         { "mvrg_2",             send_to_rg,     {.id = 1} },
5892         { "mvrg_3",             send_to_rg,     {.id = 2} },
5893         { "mvrg_4",             send_to_rg,     {.id = 3} },
5894         { "mvrg_5",             send_to_rg,     {.id = 4} },
5895         { "mvrg_6",             send_to_rg,     {.id = 5} },
5896         { "mvrg_7",             send_to_rg,     {.id = 6} },
5897         { "mvrg_8",             send_to_rg,     {.id = 7} },
5898         { "mvrg_9",             send_to_rg,     {.id = 8} },
5899         { "mvws_1",             send_to_ws,     {.id = 0} },
5900         { "mvws_2",             send_to_ws,     {.id = 1} },
5901         { "mvws_3",             send_to_ws,     {.id = 2} },
5902         { "mvws_4",             send_to_ws,     {.id = 3} },
5903         { "mvws_5",             send_to_ws,     {.id = 4} },
5904         { "mvws_6",             send_to_ws,     {.id = 5} },
5905         { "mvws_7",             send_to_ws,     {.id = 6} },
5906         { "mvws_8",             send_to_ws,     {.id = 7} },
5907         { "mvws_9",             send_to_ws,     {.id = 8} },
5908         { "mvws_10",            send_to_ws,     {.id = 9} },
5909         { "mvws_11",            send_to_ws,     {.id = 10} },
5910         { "mvws_12",            send_to_ws,     {.id = 11} },
5911         { "mvws_13",            send_to_ws,     {.id = 12} },
5912         { "mvws_14",            send_to_ws,     {.id = 13} },
5913         { "mvws_15",            send_to_ws,     {.id = 14} },
5914         { "mvws_16",            send_to_ws,     {.id = 15} },
5915         { "mvws_17",            send_to_ws,     {.id = 16} },
5916         { "mvws_18",            send_to_ws,     {.id = 17} },
5917         { "mvws_19",            send_to_ws,     {.id = 18} },
5918         { "mvws_20",            send_to_ws,     {.id = 19} },
5919         { "mvws_21",            send_to_ws,     {.id = 20} },
5920         { "mvws_22",            send_to_ws,     {.id = 21} },
5921         { "name_workspace",     name_workspace, {0} },
5922         { "quit",               quit,           {0} },
5923         { "raise_toggle",       raise_toggle,   {0} },
5924         { "restart",            restart,        {0} },
5925         { "rg_1",               focusrg,        {.id = 0} },
5926         { "rg_2",               focusrg,        {.id = 1} },
5927         { "rg_3",               focusrg,        {.id = 2} },
5928         { "rg_4",               focusrg,        {.id = 3} },
5929         { "rg_5",               focusrg,        {.id = 4} },
5930         { "rg_6",               focusrg,        {.id = 5} },
5931         { "rg_7",               focusrg,        {.id = 6} },
5932         { "rg_8",               focusrg,        {.id = 7} },
5933         { "rg_9",               focusrg,        {.id = 8} },
5934         { "rg_next",            cyclerg,        {.id = SWM_ARG_ID_CYCLERG_UP} },
5935         { "rg_prev",            cyclerg,        {.id = SWM_ARG_ID_CYCLERG_DOWN} },
5936         { "screen_next",        cyclerg,        {.id = SWM_ARG_ID_CYCLERG_UP} },
5937         { "screen_prev",        cyclerg,        {.id = SWM_ARG_ID_CYCLERG_DOWN} },
5938         { "search_win",         search_win,     {0} },
5939         { "search_workspace",   search_workspace,       {0} },
5940         { "spawn_custom",       NULL,           {0} },
5941         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
5942         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
5943         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
5944         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
5945         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
5946         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
5947         { "uniconify",          uniconify,      {0} },
5948         { "version",            version,        {0} },
5949         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
5950         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
5951         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
5952         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
5953         { "ws_1",               switchws,       {.id = 0} },
5954         { "ws_2",               switchws,       {.id = 1} },
5955         { "ws_3",               switchws,       {.id = 2} },
5956         { "ws_4",               switchws,       {.id = 3} },
5957         { "ws_5",               switchws,       {.id = 4} },
5958         { "ws_6",               switchws,       {.id = 5} },
5959         { "ws_7",               switchws,       {.id = 6} },
5960         { "ws_8",               switchws,       {.id = 7} },
5961         { "ws_9",               switchws,       {.id = 8} },
5962         { "ws_10",              switchws,       {.id = 9} },
5963         { "ws_11",              switchws,       {.id = 10} },
5964         { "ws_12",              switchws,       {.id = 11} },
5965         { "ws_13",              switchws,       {.id = 12} },
5966         { "ws_14",              switchws,       {.id = 13} },
5967         { "ws_15",              switchws,       {.id = 14} },
5968         { "ws_16",              switchws,       {.id = 15} },
5969         { "ws_17",              switchws,       {.id = 16} },
5970         { "ws_18",              switchws,       {.id = 17} },
5971         { "ws_19",              switchws,       {.id = 18} },
5972         { "ws_20",              switchws,       {.id = 19} },
5973         { "ws_21",              switchws,       {.id = 20} },
5974         { "ws_22",              switchws,       {.id = 21} },
5975         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
5976         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
5977         { "ws_next_move",       cyclews,        {.id = SWM_ARG_ID_CYCLEWS_MOVE_UP} },
5978         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
5979         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
5980         { "ws_prev_move",       cyclews,        {.id = SWM_ARG_ID_CYCLEWS_MOVE_DOWN} },
5981         { "ws_prior",           priorws,        {0} },
5982         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
5983         { "invalid key func",   NULL,           {0} },
5984 };
5985
5986 int
5987 key_cmp(struct key *kp1, struct key *kp2)
5988 {
5989         if (kp1->keysym < kp2->keysym)
5990                 return (-1);
5991         if (kp1->keysym > kp2->keysym)
5992                 return (1);
5993
5994         if (kp1->mod < kp2->mod)
5995                 return (-1);
5996         if (kp1->mod > kp2->mod)
5997                 return (1);
5998
5999         return (0);
6000 }
6001
6002 /* mouse */
6003 enum { client_click, root_click };
6004 struct button {
6005         unsigned int            action;
6006         unsigned int            mask;
6007         unsigned int            button;
6008         void                    (*func)(struct ws_win *, union arg *);
6009         union arg               args;
6010 } buttons[] = {
6011 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
6012           /* action     key             mouse button    func    args */
6013         { client_click, MODKEY,         XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_DONTCENTER} },
6014         { client_click, MODKEY_SHIFT,   XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_CENTER} },
6015         { client_click, MODKEY,         XCB_BUTTON_INDEX_1,     move,   {0} },
6016 #undef MODKEY_SHIFT
6017 };
6018
6019 void
6020 update_modkey(unsigned int mod)
6021 {
6022         int                     i;
6023         struct key              *kp;
6024
6025         mod_key = mod;
6026         RB_FOREACH(kp, key_tree, &keys)
6027                 if (kp->mod & XCB_MOD_MASK_SHIFT)
6028                         kp->mod = mod | XCB_MOD_MASK_SHIFT;
6029                 else
6030                         kp->mod = mod;
6031
6032         for (i = 0; i < LENGTH(buttons); i++)
6033                 if (buttons[i].mask & XCB_MOD_MASK_SHIFT)
6034                         buttons[i].mask = mod | XCB_MOD_MASK_SHIFT;
6035                 else
6036                         buttons[i].mask = mod;
6037 }
6038
6039 int
6040 spawn_expand(struct swm_region *r, union arg *args, const char *spawn_name,
6041     char ***ret_args)
6042 {
6043         struct spawn_prog       *prog = NULL;
6044         int                     i, c;
6045         char                    *ap, **real_args;
6046
6047         /* suppress unused warning since var is needed */
6048         (void)args;
6049
6050         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
6051
6052         /* find program */
6053         TAILQ_FOREACH(prog, &spawns, entry) {
6054                 if (!strcasecmp(spawn_name, prog->name))
6055                         break;
6056         }
6057         if (prog == NULL) {
6058                 warnx("spawn_custom: program %s not found", spawn_name);
6059                 return (-1);
6060         }
6061
6062         /* make room for expanded args */
6063         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
6064                 err(1, "spawn_custom: calloc real_args");
6065
6066         /* expand spawn_args into real_args */
6067         for (i = c = 0; i < prog->argc; i++) {
6068                 ap = prog->argv[i];
6069                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
6070                 if (!strcasecmp(ap, "$bar_border")) {
6071                         if ((real_args[c] =
6072                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
6073                             == NULL)
6074                                 err(1,  "spawn_custom border color");
6075                 } else if (!strcasecmp(ap, "$bar_color")) {
6076                         if ((real_args[c] =
6077                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
6078                             == NULL)
6079                                 err(1, "spawn_custom bar color");
6080                 } else if (!strcasecmp(ap, "$bar_font")) {
6081                         if ((real_args[c] = strdup(bar_fonts))
6082                             == NULL)
6083                                 err(1, "spawn_custom bar fonts");
6084                 } else if (!strcasecmp(ap, "$bar_font_color")) {
6085                         if ((real_args[c] =
6086                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
6087                             == NULL)
6088                                 err(1, "spawn_custom color font");
6089                 } else if (!strcasecmp(ap, "$color_focus")) {
6090                         if ((real_args[c] =
6091                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
6092                             == NULL)
6093                                 err(1, "spawn_custom color focus");
6094                 } else if (!strcasecmp(ap, "$color_unfocus")) {
6095                         if ((real_args[c] =
6096                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
6097                             == NULL)
6098                                 err(1, "spawn_custom color unfocus");
6099                 } else if (!strcasecmp(ap, "$region_index")) {
6100                         if (asprintf(&real_args[c], "%d",
6101                             get_region_index(r) + 1) < 1)
6102                                 err(1, "spawn_custom region index");
6103                 } else if (!strcasecmp(ap, "$workspace_index")) {
6104                         if (asprintf(&real_args[c], "%d", r->ws->idx + 1) < 1)
6105                                 err(1, "spawn_custom workspace index");
6106                 } else if (!strcasecmp(ap, "$dmenu_bottom")) {
6107                         if (!bar_at_bottom)
6108                                 continue;
6109                         if ((real_args[c] = strdup("-b")) == NULL)
6110                                 err(1, "spawn_custom workspace index");
6111                 } else {
6112                         /* no match --> copy as is */
6113                         if ((real_args[c] = strdup(ap)) == NULL)
6114                                 err(1, "spawn_custom strdup(ap)");
6115                 }
6116                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
6117                     real_args[c]);
6118                 ++c;
6119         }
6120
6121 #ifdef SWM_DEBUG
6122         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
6123         for (i = 0; i < c; ++i)
6124                 DPRINTF("\"%s\" ", real_args[i]);
6125         DPRINTF("\n");
6126 #endif
6127         *ret_args = real_args;
6128         return (c);
6129 }
6130
6131 void
6132 spawn_custom(struct swm_region *r, union arg *args, const char *spawn_name)
6133 {
6134         union arg               a;
6135         char                    **real_args;
6136         int                     spawn_argc, i;
6137
6138         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
6139                 return;
6140         a.argv = real_args;
6141         if (fork() == 0)
6142                 spawn(r->ws->idx, &a, 1);
6143
6144         for (i = 0; i < spawn_argc; i++)
6145                 free(real_args[i]);
6146         free(real_args);
6147 }
6148
6149 void
6150 spawn_select(struct swm_region *r, union arg *args, const char *spawn_name,
6151     int *pid)
6152 {
6153         union arg               a;
6154         char                    **real_args;
6155         int                     i, spawn_argc;
6156
6157         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
6158                 return;
6159         a.argv = real_args;
6160
6161         if (pipe(select_list_pipe) == -1)
6162                 err(1, "pipe error");
6163         if (pipe(select_resp_pipe) == -1)
6164                 err(1, "pipe error");
6165
6166         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
6167                 err(1, "could not disable SIGPIPE");
6168         switch (*pid = fork()) {
6169         case -1:
6170                 err(1, "cannot fork");
6171                 break;
6172         case 0: /* child */
6173                 if (dup2(select_list_pipe[0], STDIN_FILENO) == -1)
6174                         err(1, "dup2");
6175                 if (dup2(select_resp_pipe[1], STDOUT_FILENO) == -1)
6176                         err(1, "dup2");
6177                 close(select_list_pipe[1]);
6178                 close(select_resp_pipe[0]);
6179                 spawn(r->ws->idx, &a, 0);
6180                 break;
6181         default: /* parent */
6182                 close(select_list_pipe[0]);
6183                 close(select_resp_pipe[1]);
6184                 break;
6185         }
6186
6187         for (i = 0; i < spawn_argc; i++)
6188                 free(real_args[i]);
6189         free(real_args);
6190 }
6191
6192 void
6193 spawn_insert(const char *name, const char *args, int flags)
6194 {
6195         char                    *arg, *cp, *ptr;
6196         struct spawn_prog       *sp;
6197
6198         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
6199
6200         if ((sp = calloc(1, sizeof *sp)) == NULL)
6201                 err(1, "spawn_insert: calloc");
6202         if ((sp->name = strdup(name)) == NULL)
6203                 err(1, "spawn_insert: strdup");
6204
6205         /* convert the arguments to an argument list */
6206         if ((ptr = cp = strdup(args)) == NULL)
6207                 err(1, "spawn_insert: strdup");
6208         while ((arg = strsep(&ptr, " \t")) != NULL) {
6209                 /* empty field; skip it */
6210                 if (*arg == '\0')
6211                         continue;
6212
6213                 sp->argc++;
6214                 if ((sp->argv = realloc(sp->argv, sp->argc *
6215                     sizeof *sp->argv)) == NULL)
6216                         err(1, "spawn_insert: realloc");
6217                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
6218                         err(1, "spawn_insert: strdup");
6219         }
6220         free(cp);
6221
6222         sp->flags = flags;
6223
6224         TAILQ_INSERT_TAIL(&spawns, sp, entry);
6225         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
6226 }
6227
6228 void
6229 spawn_remove(struct spawn_prog *sp)
6230 {
6231         int                     i;
6232
6233         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
6234
6235         TAILQ_REMOVE(&spawns, sp, entry);
6236         for (i = 0; i < sp->argc; i++)
6237                 free(sp->argv[i]);
6238         free(sp->argv);
6239         free(sp->name);
6240         free(sp);
6241
6242         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
6243 }
6244
6245 struct spawn_prog*
6246 spawn_find(const char *name)
6247 {
6248         struct spawn_prog       *sp;
6249
6250         TAILQ_FOREACH(sp, &spawns, entry)
6251                 if (!strcasecmp(sp->name, name))
6252                         return sp;
6253
6254         return NULL;
6255 }
6256
6257 void
6258 setspawn(const char *name, const char *args, int flags)
6259 {
6260         struct spawn_prog       *sp;
6261
6262         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
6263
6264         if (name == NULL)
6265                 return;
6266
6267         /* Remove any old spawn under the same name. */
6268         if ((sp = spawn_find(name)) != NULL)
6269                 spawn_remove(sp);
6270
6271         if (*args != '\0')
6272                 spawn_insert(name, args, flags);
6273         else
6274                 warnx("error: setspawn: cannot find program: %s", name);
6275
6276         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
6277 }
6278
6279 int
6280 setconfspawn(char *selector, char *value, int flags)
6281 {
6282         char            *args;
6283
6284         args = expand_tilde(value);
6285
6286         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, args);
6287
6288         setspawn(selector, args, flags);
6289         free(args);
6290
6291         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done.\n");
6292         return (0);
6293 }
6294
6295 void
6296 validate_spawns(void)
6297 {
6298         struct spawn_prog       *sp;
6299         char                    which[PATH_MAX];
6300         size_t                  i;
6301
6302         struct key              *kp;
6303
6304         RB_FOREACH(kp, key_tree, &keys) {
6305                 if (kp->funcid != KF_SPAWN_CUSTOM)
6306                         continue;
6307
6308                 /* find program */
6309                 sp = spawn_find(kp->spawn_name);
6310                 if (sp == NULL || sp->flags & SWM_SPAWN_OPTIONAL)
6311                         continue;
6312
6313                 /* verify we have the goods */
6314                 snprintf(which, sizeof which, "which %s", sp->argv[0]);
6315                 DNPRINTF(SWM_D_CONF, "validate_spawns: which %s\n",
6316                     sp->argv[0]);
6317                 for (i = strlen("which "); i < strlen(which); i++)
6318                         if (which[i] == ' ') {
6319                                 which[i] = '\0';
6320                                 break;
6321                         }
6322                 if (system(which) != 0)
6323                         add_startup_exception("could not find %s",
6324                             &which[strlen("which ")]);
6325         }
6326 }
6327
6328 void
6329 setup_spawn(void)
6330 {
6331         setconfspawn("lock",            "xlock",                0);
6332
6333         setconfspawn("term",            "xterm",                0);
6334         setconfspawn("spawn_term",      "xterm",                0);
6335
6336         setconfspawn("menu",            "dmenu_run"
6337                                         " $dmenu_bottom"
6338                                         " -fn $bar_font"
6339                                         " -nb $bar_color"
6340                                         " -nf $bar_font_color"
6341                                         " -sb $bar_border"
6342                                         " -sf $bar_color",      0);
6343
6344         setconfspawn("search",          "dmenu"
6345                                         " $dmenu_bottom"
6346                                         " -i"
6347                                         " -fn $bar_font"
6348                                         " -nb $bar_color"
6349                                         " -nf $bar_font_color"
6350                                         " -sb $bar_border"
6351                                         " -sf $bar_color",      0);
6352
6353         setconfspawn("name_workspace",  "dmenu"
6354                                         " $dmenu_bottom"
6355                                         " -p Workspace"
6356                                         " -fn $bar_font"
6357                                         " -nb $bar_color"
6358                                         " -nf $bar_font_color"
6359                                         " -sb $bar_border"
6360                                         " -sf $bar_color",      0);
6361
6362          /* These are not verified for existence, even with a binding set. */
6363         setconfspawn("screenshot_all",  "screenshot.sh full",   SWM_SPAWN_OPTIONAL);
6364         setconfspawn("screenshot_wind", "screenshot.sh window", SWM_SPAWN_OPTIONAL);
6365         setconfspawn("initscr",         "initscreen.sh",        SWM_SPAWN_OPTIONAL);
6366 }
6367
6368 /* key bindings */
6369 #define SWM_MODNAME_SIZE        32
6370 #define SWM_KEY_WS              "\n+ \t"
6371 int
6372 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
6373 {
6374         char                    *cp, *name;
6375         KeySym                  uks;
6376         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
6377         if (mod == NULL || ks == NULL) {
6378                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
6379                 return (1);
6380         }
6381         if (keystr == NULL || strlen(keystr) == 0) {
6382                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
6383                 return (1);
6384         }
6385         cp = keystr;
6386         *ks = XCB_NO_SYMBOL;
6387         *mod = 0;
6388         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
6389                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
6390                 if (cp)
6391                         cp += (long)strspn(cp, SWM_KEY_WS);
6392                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
6393                         *mod |= currmod;
6394                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
6395                         *mod |= XCB_MOD_MASK_1;
6396                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
6397                         *mod += XCB_MOD_MASK_2;
6398                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
6399                         *mod |= XCB_MOD_MASK_3;
6400                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
6401                         *mod |= XCB_MOD_MASK_4;
6402                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
6403                         *mod |= XCB_MOD_MASK_SHIFT;
6404                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
6405                         *mod |= XCB_MOD_MASK_CONTROL;
6406                 else {
6407                         *ks = XStringToKeysym(name);
6408                         XConvertCase(*ks, ks, &uks);
6409                         if (ks == XCB_NO_SYMBOL) {
6410                                 DNPRINTF(SWM_D_KEY,
6411                                     "parsekeys: invalid key %s\n",
6412                                     name);
6413                                 return (1);
6414                         }
6415                 }
6416         }
6417         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
6418         return (0);
6419 }
6420
6421 char *
6422 strdupsafe(const char *str)
6423 {
6424         if (str == NULL)
6425                 return (NULL);
6426         else
6427                 return (strdup(str));
6428 }
6429
6430 void
6431 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid,
6432     const char *spawn_name)
6433 {
6434         struct key              *kp;
6435
6436         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
6437             keyfuncs[kfid].name, spawn_name);
6438
6439         if ((kp = malloc(sizeof *kp)) == NULL)
6440                 err(1, "key_insert: malloc");
6441
6442         kp->mod = mod;
6443         kp->keysym = ks;
6444         kp->funcid = kfid;
6445         kp->spawn_name = strdupsafe(spawn_name);
6446         RB_INSERT(key_tree, &keys, kp);
6447
6448         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
6449 }
6450
6451 struct key *
6452 key_lookup(unsigned int mod, KeySym ks)
6453 {
6454         struct key              kp;
6455
6456         kp.keysym = ks;
6457         kp.mod = mod;
6458
6459         return (RB_FIND(key_tree, &keys, &kp));
6460 }
6461
6462 void
6463 key_remove(struct key *kp)
6464 {
6465         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
6466
6467         RB_REMOVE(key_tree, &keys, kp);
6468         free(kp->spawn_name);
6469         free(kp);
6470
6471         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
6472 }
6473
6474 void
6475 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
6476     const char *spawn_name)
6477 {
6478         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
6479             spawn_name);
6480
6481         key_remove(kp);
6482         key_insert(mod, ks, kfid, spawn_name);
6483
6484         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
6485 }
6486
6487 void
6488 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
6489     const char *spawn_name)
6490 {
6491         struct key              *kp;
6492
6493         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
6494             keyfuncs[kfid].name, spawn_name);
6495
6496         if ((kp = key_lookup(mod, ks)) != NULL) {
6497                 if (kfid == KF_INVALID)
6498                         key_remove(kp);
6499                 else
6500                         key_replace(kp, mod, ks, kfid, spawn_name);
6501                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6502                 return;
6503         }
6504         if (kfid == KF_INVALID) {
6505                 warnx("bind: Key combination already unbound.");
6506                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6507                 return;
6508         }
6509
6510         key_insert(mod, ks, kfid, spawn_name);
6511         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6512 }
6513
6514 int
6515 setconfbinding(char *selector, char *value, int flags)
6516 {
6517         enum keyfuncid          kfid;
6518         unsigned int            mod;
6519         KeySym                  ks;
6520         struct spawn_prog       *sp;
6521
6522         /* suppress unused warning since var is needed */
6523         (void)flags;
6524
6525         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
6526         if (selector == NULL) {
6527                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
6528                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6529                         kfid = KF_INVALID;
6530                         setkeybinding(mod, ks, kfid, NULL);
6531                         return (0);
6532                 } else
6533                         return (1);
6534         }
6535         /* search by key function name */
6536         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
6537                 if (strncasecmp(selector, keyfuncs[kfid].name,
6538                     SWM_FUNCNAME_LEN) == 0) {
6539                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match "
6540                             "keyfunc\n", selector);
6541                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6542                                 setkeybinding(mod, ks, kfid, NULL);
6543                                 return (0);
6544                         } else
6545                                 return (1);
6546                 }
6547         }
6548         /* search by custom spawn name */
6549         if ((sp = spawn_find(selector)) != NULL) {
6550                 DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match "
6551                     "spawn\n", selector);
6552                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6553                         setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
6554                             sp->name);
6555                         return (0);
6556                 } else
6557                         return (1);
6558         }
6559         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
6560         return (1);
6561 }
6562
6563 void
6564 setup_keys(void)
6565 {
6566 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
6567         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
6568         setkeybinding(MODKEY_SHIFT,     XK_b,           KF_BAR_TOGGLE_WS,NULL);
6569         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
6570         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
6571         setkeybinding(MODKEY_SHIFT,     XK_backslash,   KF_FLIP_LAYOUT, NULL);
6572         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
6573         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
6574         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
6575         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
6576         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
6577         setkeybinding(MODKEY_SHIFT,     XK_Tab,         KF_FOCUS_PREV,  NULL);
6578         setkeybinding(MODKEY_SHIFT,     XK_equal,       KF_HEIGHT_GROW,NULL);
6579         setkeybinding(MODKEY_SHIFT,     XK_minus,       KF_HEIGHT_SHRINK,NULL);
6580         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
6581         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
6582         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
6583         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
6584         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
6585         setkeybinding(MODKEY_SHIFT,     XK_bracketright,KF_MOVE_DOWN,NULL);
6586         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
6587         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
6588         setkeybinding(MODKEY_SHIFT,     XK_bracketleft, KF_MOVE_UP,     NULL);
6589         setkeybinding(MODKEY_SHIFT,     XK_KP_End,      KF_MVRG_1,      NULL);
6590         setkeybinding(MODKEY_SHIFT,     XK_KP_Down,     KF_MVRG_2,      NULL);
6591         setkeybinding(MODKEY_SHIFT,     XK_KP_Next,     KF_MVRG_3,      NULL);
6592         setkeybinding(MODKEY_SHIFT,     XK_KP_Left,     KF_MVRG_4,      NULL);
6593         setkeybinding(MODKEY_SHIFT,     XK_KP_Begin,    KF_MVRG_5,      NULL);
6594         setkeybinding(MODKEY_SHIFT,     XK_KP_Right,    KF_MVRG_6,      NULL);
6595         setkeybinding(MODKEY_SHIFT,     XK_KP_Home,     KF_MVRG_7,      NULL);
6596         setkeybinding(MODKEY_SHIFT,     XK_KP_Up,       KF_MVRG_8,      NULL);
6597         setkeybinding(MODKEY_SHIFT,     XK_KP_Prior,    KF_MVRG_9,      NULL);
6598         setkeybinding(MODKEY_SHIFT,     XK_1,           KF_MVWS_1,      NULL);
6599         setkeybinding(MODKEY_SHIFT,     XK_2,           KF_MVWS_2,      NULL);
6600         setkeybinding(MODKEY_SHIFT,     XK_3,           KF_MVWS_3,      NULL);
6601         setkeybinding(MODKEY_SHIFT,     XK_4,           KF_MVWS_4,      NULL);
6602         setkeybinding(MODKEY_SHIFT,     XK_5,           KF_MVWS_5,      NULL);
6603         setkeybinding(MODKEY_SHIFT,     XK_6,           KF_MVWS_6,      NULL);
6604         setkeybinding(MODKEY_SHIFT,     XK_7,           KF_MVWS_7,      NULL);
6605         setkeybinding(MODKEY_SHIFT,     XK_8,           KF_MVWS_8,      NULL);
6606         setkeybinding(MODKEY_SHIFT,     XK_9,           KF_MVWS_9,      NULL);
6607         setkeybinding(MODKEY_SHIFT,     XK_0,           KF_MVWS_10,     NULL);
6608         setkeybinding(MODKEY_SHIFT,     XK_F1,          KF_MVWS_11,     NULL);
6609         setkeybinding(MODKEY_SHIFT,     XK_F2,          KF_MVWS_12,     NULL);
6610         setkeybinding(MODKEY_SHIFT,     XK_F3,          KF_MVWS_13,     NULL);
6611         setkeybinding(MODKEY_SHIFT,     XK_F4,          KF_MVWS_14,     NULL);
6612         setkeybinding(MODKEY_SHIFT,     XK_F5,          KF_MVWS_15,     NULL);
6613         setkeybinding(MODKEY_SHIFT,     XK_F6,          KF_MVWS_16,     NULL);
6614         setkeybinding(MODKEY_SHIFT,     XK_F7,          KF_MVWS_17,     NULL);
6615         setkeybinding(MODKEY_SHIFT,     XK_F8,          KF_MVWS_18,     NULL);
6616         setkeybinding(MODKEY_SHIFT,     XK_F9,          KF_MVWS_19,     NULL);
6617         setkeybinding(MODKEY_SHIFT,     XK_F10,         KF_MVWS_20,     NULL);
6618         setkeybinding(MODKEY_SHIFT,     XK_F11,         KF_MVWS_21,     NULL);
6619         setkeybinding(MODKEY_SHIFT,     XK_F12,         KF_MVWS_22,     NULL);
6620         setkeybinding(MODKEY_SHIFT,     XK_slash,       KF_NAME_WORKSPACE,NULL);
6621         setkeybinding(MODKEY_SHIFT,     XK_q,           KF_QUIT,        NULL);
6622         setkeybinding(MODKEY_SHIFT,     XK_r,           KF_RAISE_TOGGLE,NULL);
6623         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
6624         setkeybinding(MODKEY,           XK_KP_End,      KF_RG_1,        NULL);
6625         setkeybinding(MODKEY,           XK_KP_Down,     KF_RG_2,        NULL);
6626         setkeybinding(MODKEY,           XK_KP_Next,     KF_RG_3,        NULL);
6627         setkeybinding(MODKEY,           XK_KP_Left,     KF_RG_4,        NULL);
6628         setkeybinding(MODKEY,           XK_KP_Begin,    KF_RG_5,        NULL);
6629         setkeybinding(MODKEY,           XK_KP_Right,    KF_RG_6,        NULL);
6630         setkeybinding(MODKEY,           XK_KP_Home,     KF_RG_7,        NULL);
6631         setkeybinding(MODKEY,           XK_KP_Up,       KF_RG_8,        NULL);
6632         setkeybinding(MODKEY,           XK_KP_Prior,    KF_RG_9,        NULL);
6633         setkeybinding(MODKEY_SHIFT,     XK_Right,       KF_RG_NEXT,     NULL);
6634         setkeybinding(MODKEY_SHIFT,     XK_Left,        KF_RG_PREV,     NULL);
6635         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
6636         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
6637         setkeybinding(MODKEY_SHIFT,     XK_i,           KF_SPAWN_CUSTOM,"initscr");
6638         setkeybinding(MODKEY_SHIFT,     XK_Delete,      KF_SPAWN_CUSTOM,"lock");
6639         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
6640         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
6641         setkeybinding(MODKEY_SHIFT,     XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
6642         setkeybinding(MODKEY_SHIFT,     XK_Return,      KF_SPAWN_CUSTOM,"term");
6643         setkeybinding(MODKEY_SHIFT,     XK_comma,       KF_STACK_INC,   NULL);
6644         setkeybinding(MODKEY_SHIFT,     XK_period,      KF_STACK_DEC,   NULL);
6645         setkeybinding(MODKEY_SHIFT,     XK_space,       KF_STACK_RESET, NULL);
6646         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
6647         setkeybinding(MODKEY_SHIFT,     XK_j,           KF_SWAP_NEXT,   NULL);
6648         setkeybinding(MODKEY_SHIFT,     XK_k,           KF_SWAP_PREV,   NULL);
6649         setkeybinding(MODKEY_SHIFT,     XK_w,           KF_UNICONIFY,   NULL);
6650         setkeybinding(MODKEY_SHIFT,     XK_v,           KF_VERSION,     NULL);
6651         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
6652         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
6653         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
6654         setkeybinding(MODKEY_SHIFT,     XK_x,           KF_WIND_KILL,   NULL);
6655         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
6656         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
6657         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
6658         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
6659         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
6660         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
6661         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
6662         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
6663         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
6664         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
6665         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
6666         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
6667         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
6668         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
6669         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
6670         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
6671         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
6672         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
6673         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
6674         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
6675         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
6676         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
6677         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
6678         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
6679         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
6680         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
6681         setkeybinding(MODKEY_SHIFT,     XK_Up,          KF_WS_NEXT_MOVE,NULL);
6682         setkeybinding(MODKEY_SHIFT,     XK_Down,        KF_WS_PREV_MOVE,NULL);
6683         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
6684 #ifdef SWM_DEBUG
6685         setkeybinding(MODKEY_SHIFT,     XK_d,           KF_DUMPWINS,    NULL);
6686 #endif
6687 #undef MODKEY_SHIFT
6688 }
6689
6690 void
6691 clear_keys(void)
6692 {
6693         struct key              *kp;
6694
6695         while (RB_EMPTY(&keys) == 0) {
6696                 kp = RB_ROOT(&keys);
6697                 key_remove(kp);
6698         }
6699 }
6700
6701 int
6702 setkeymapping(char *selector, char *value, int flags)
6703 {
6704         char                    *keymapping_file;
6705
6706         /* suppress unused warnings since vars are needed */
6707         (void)selector;
6708         (void)flags;
6709
6710         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
6711
6712         keymapping_file = expand_tilde(value);
6713
6714         clear_keys();
6715         /* load new key bindings; if it fails, revert to default bindings */
6716         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
6717                 clear_keys();
6718                 setup_keys();
6719         }
6720
6721         free(keymapping_file);
6722
6723         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
6724         return (0);
6725 }
6726
6727 void
6728 updatenumlockmask(void)
6729 {
6730         unsigned int                            i, j;
6731         xcb_get_modifier_mapping_reply_t        *modmap_r;
6732         xcb_keycode_t                           *modmap, kc, *keycode;
6733
6734         numlockmask = 0;
6735
6736         modmap_r = xcb_get_modifier_mapping_reply(conn,
6737             xcb_get_modifier_mapping(conn),
6738             NULL);
6739         if (modmap_r) {
6740                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
6741                 for (i = 0; i < 8; i++) {
6742                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
6743                                 kc = modmap[i * modmap_r->keycodes_per_modifier
6744                                     + j];
6745                                 keycode = xcb_key_symbols_get_keycode(syms,
6746                                                 XK_Num_Lock);
6747                                 if (kc == *keycode)
6748                                         numlockmask = (1 << i);
6749                                 free(keycode);
6750                         }
6751                 }
6752                 free(modmap_r);
6753         }
6754         DNPRINTF(SWM_D_MISC, "updatenumlockmask: %d\n", numlockmask);
6755 }
6756
6757 void
6758 grabkeys(void)
6759 {
6760         struct key              *kp;
6761         int                     num_screens, k, j;
6762         unsigned int            modifiers[4];
6763         xcb_keycode_t           *code;
6764
6765         DNPRINTF(SWM_D_MISC, "grabkeys\n");
6766         updatenumlockmask();
6767
6768         modifiers[0] = 0;
6769         modifiers[1] = numlockmask;
6770         modifiers[2] = XCB_MOD_MASK_LOCK;
6771         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6772
6773         num_screens = get_screen_count();
6774         for (k = 0; k < num_screens; k++) {
6775                 if (TAILQ_EMPTY(&screens[k].rl))
6776                         continue;
6777                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
6778                         XCB_MOD_MASK_ANY);
6779                 RB_FOREACH(kp, key_tree, &keys) {
6780                         /* Skip unused ws binds. */
6781                         if ((int)kp->funcid > KF_WS_1 + workspace_limit - 1 &&
6782                             kp->funcid <= KF_WS_22)
6783                                 continue;
6784
6785                         /* Skip unused mvws binds. */
6786                         if ((int)kp->funcid > KF_MVWS_1 + workspace_limit - 1 &&
6787                             kp->funcid <= KF_MVWS_22)
6788                                 continue;
6789
6790                         if ((code = xcb_key_symbols_get_keycode(syms,
6791                                         kp->keysym))) {
6792                                 for (j = 0; j < LENGTH(modifiers); j++)
6793                                         xcb_grab_key(conn, 1,
6794                                             screens[k].root,
6795                                             kp->mod | modifiers[j],
6796                                             *code, XCB_GRAB_MODE_SYNC,
6797                                             XCB_GRAB_MODE_SYNC);
6798                                 free(code);
6799                         }
6800                 }
6801         }
6802 }
6803
6804 void
6805 grabbuttons(struct ws_win *win)
6806 {
6807         unsigned int    modifiers[4];
6808         int             i, j;
6809
6810         DNPRINTF(SWM_D_MOUSE, "grabbuttons: win 0x%x\n", win->id);
6811         updatenumlockmask();
6812
6813         modifiers[0] = 0;
6814         modifiers[1] = numlockmask;
6815         modifiers[2] = XCB_MOD_MASK_LOCK;
6816         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6817
6818         for (i = 0; i < LENGTH(buttons); i++)
6819                 if (buttons[i].action == client_click)
6820                         for (j = 0; j < LENGTH(modifiers); ++j)
6821                                 xcb_grab_button(conn, 0, win->id, BUTTONMASK,
6822                                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC,
6823                                     XCB_WINDOW_NONE, XCB_CURSOR_NONE,
6824                                     buttons[i].button, buttons[i].mask |
6825                                     modifiers[j]);
6826 }
6827
6828 const char *quirkname[] = {
6829         "NONE",         /* config string for "no value" */
6830         "FLOAT",
6831         "TRANSSZ",
6832         "ANYWHERE",
6833         "XTERM_FONTADJ",
6834         "FULLSCREEN",
6835         "FOCUSPREV",
6836         "NOFOCUSONMAP",
6837         "FOCUSONMAP_SINGLE",
6838 };
6839
6840 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
6841 #define SWM_Q_WS                "\n|+ \t"
6842 int
6843 parsequirks(char *qstr, unsigned long *quirk)
6844 {
6845         char                    *cp, *name;
6846         int                     i;
6847
6848         if (quirk == NULL)
6849                 return (1);
6850
6851         cp = qstr;
6852         *quirk = 0;
6853         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
6854                 if (cp)
6855                         cp += (long)strspn(cp, SWM_Q_WS);
6856                 for (i = 0; i < LENGTH(quirkname); i++) {
6857                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
6858                                 DNPRINTF(SWM_D_QUIRK,
6859                                     "parsequirks: %s\n", name);
6860                                 if (i == 0) {
6861                                         *quirk = 0;
6862                                         return (0);
6863                                 }
6864                                 *quirk |= 1 << (i-1);
6865                                 break;
6866                         }
6867                 }
6868                 if (i >= LENGTH(quirkname)) {
6869                         DNPRINTF(SWM_D_QUIRK,
6870                             "parsequirks: invalid quirk [%s]\n", name);
6871                         return (1);
6872                 }
6873         }
6874         return (0);
6875 }
6876
6877 void
6878 quirk_insert(const char *class, const char *name, unsigned long quirk)
6879 {
6880         struct quirk            *qp;
6881
6882         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
6883             quirk);
6884
6885         if ((qp = malloc(sizeof *qp)) == NULL)
6886                 err(1, "quirk_insert: malloc");
6887         if ((qp->class = strdup(class)) == NULL)
6888                 err(1, "quirk_insert: strdup");
6889         if ((qp->name = strdup(name)) == NULL)
6890                 err(1, "quirk_insert: strdup");
6891
6892         qp->quirk = quirk;
6893         TAILQ_INSERT_TAIL(&quirks, qp, entry);
6894
6895         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
6896 }
6897
6898 void
6899 quirk_remove(struct quirk *qp)
6900 {
6901         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
6902             qp->name, qp->quirk);
6903
6904         TAILQ_REMOVE(&quirks, qp, entry);
6905         free(qp->class);
6906         free(qp->name);
6907         free(qp);
6908
6909         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
6910 }
6911
6912 void
6913 quirk_replace(struct quirk *qp, const char *class, const char *name,
6914     unsigned long quirk)
6915 {
6916         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
6917             qp->name, qp->quirk);
6918
6919         quirk_remove(qp);
6920         quirk_insert(class, name, quirk);
6921
6922         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
6923 }
6924
6925 void
6926 setquirk(const char *class, const char *name, unsigned long quirk)
6927 {
6928         struct quirk            *qp;
6929
6930         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
6931            quirk);
6932
6933         /* Remove/replace existing quirk. */
6934         TAILQ_FOREACH(qp, &quirks, entry) {
6935                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
6936                         if (!quirk)
6937                                 quirk_remove(qp);
6938                         else
6939                                 quirk_replace(qp, class, name, quirk);
6940                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6941                         return;
6942                 }
6943         }
6944
6945         /* Only insert if quirk is not NONE. */
6946         if (quirk)
6947                 quirk_insert(class, name, quirk);
6948
6949         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6950 }
6951
6952 int
6953 setconfquirk(char *selector, char *value, int flags)
6954 {
6955         char                    *cp, *class, *name;
6956         int                     retval;
6957         unsigned long           qrks;
6958
6959         /* suppress unused warning since var is needed */
6960         (void)flags;
6961
6962         if (selector == NULL)
6963                 return (0);
6964         if ((cp = strchr(selector, ':')) == NULL)
6965                 return (0);
6966         *cp = '\0';
6967         class = selector;
6968         name = cp + 1;
6969         if ((retval = parsequirks(value, &qrks)) == 0)
6970                 setquirk(class, name, qrks);
6971         return (retval);
6972 }
6973
6974 void
6975 setup_quirks(void)
6976 {
6977         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
6978         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
6979         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
6980         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
6981         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6982         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
6983         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6984         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6985         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6986         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6987         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
6988         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
6989         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
6990 }
6991
6992 /* conf file stuff */
6993 #define SWM_CONF_FILE           "spectrwm.conf"
6994 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
6995
6996 enum {
6997         SWM_S_BAR_ACTION,
6998         SWM_S_BAR_AT_BOTTOM,
6999         SWM_S_BAR_BORDER_WIDTH,
7000         SWM_S_BAR_DELAY,
7001         SWM_S_BAR_ENABLED,
7002         SWM_S_BAR_ENABLED_WS,
7003         SWM_S_BAR_FONT,
7004         SWM_S_BAR_FORMAT,
7005         SWM_S_BAR_JUSTIFY,
7006         SWM_S_BORDER_WIDTH,
7007         SWM_S_BOUNDARY_WIDTH,
7008         SWM_S_CLOCK_ENABLED,
7009         SWM_S_CLOCK_FORMAT,
7010         SWM_S_CYCLE_EMPTY,
7011         SWM_S_CYCLE_VISIBLE,
7012         SWM_S_DIALOG_RATIO,
7013         SWM_S_DISABLE_BORDER,
7014         SWM_S_FOCUS_CLOSE,
7015         SWM_S_FOCUS_CLOSE_WRAP,
7016         SWM_S_FOCUS_DEFAULT,
7017         SWM_S_FOCUS_MODE,
7018         SWM_S_REGION_PADDING,
7019         SWM_S_SPAWN_ORDER,
7020         SWM_S_SPAWN_TERM,
7021         SWM_S_SS_APP,
7022         SWM_S_SS_ENABLED,
7023         SWM_S_STACK_ENABLED,
7024         SWM_S_TERM_WIDTH,
7025         SWM_S_TILE_GAP,
7026         SWM_S_TITLE_CLASS_ENABLED,
7027         SWM_S_TITLE_NAME_ENABLED,
7028         SWM_S_URGENT_ENABLED,
7029         SWM_S_VERBOSE_LAYOUT,
7030         SWM_S_WINDOW_NAME_ENABLED,
7031         SWM_S_WORKSPACE_LIMIT
7032 };
7033
7034 int
7035 setconfvalue(char *selector, char *value, int flags)
7036 {
7037         struct workspace        *ws;
7038         int                     i, ws_id, num_screens;
7039         char                    *b;
7040
7041         /* suppress unused warning since var is needed */
7042         (void)selector;
7043
7044         switch (flags) {
7045         case SWM_S_BAR_ACTION:
7046                 free(bar_argv[0]);
7047                 if ((bar_argv[0] = expand_tilde(value)) == NULL)
7048                         err(1, "setconfvalue: bar_action");
7049                 break;
7050         case SWM_S_BAR_AT_BOTTOM:
7051                 bar_at_bottom = atoi(value);
7052                 break;
7053         case SWM_S_BAR_BORDER_WIDTH:
7054                 bar_border_width = atoi(value);
7055                 if (bar_border_width < 0)
7056                         bar_border_width = 0;
7057                 break;
7058         case SWM_S_BAR_DELAY:
7059                 /* No longer needed; leave to not break old conf files. */
7060                 break;
7061         case SWM_S_BAR_ENABLED:
7062                 bar_enabled = atoi(value);
7063                 break;
7064         case SWM_S_BAR_ENABLED_WS:
7065                 ws_id = atoi(selector) - 1;
7066                 if (ws_id < 0 || ws_id >= workspace_limit)
7067                         errx(1, "setconfvalue: bar_enabled_ws: invalid "
7068                             "workspace %d.", ws_id + 1);
7069
7070                 num_screens = get_screen_count();
7071                 for (i = 0; i < num_screens; i++) {
7072                         ws = (struct workspace *)&screens[i].ws;
7073                         ws[ws_id].bar_enabled = atoi(value);
7074                 }
7075                 break;
7076         case SWM_S_BAR_FONT:
7077                 b = bar_fonts;
7078                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
7079                         err(1, "setconfvalue: asprintf: failed to allocate "
7080                                 "memory for bar_fonts.");
7081                 free(b);
7082
7083                 /* If already in xft mode, then we are done. */
7084                 if (!bar_font_legacy)
7085                         break;
7086
7087                 /* If there are any non-XLFD entries, switch to Xft mode. */
7088                 while ((b = strsep(&value, ",")) != NULL) {
7089                         if (*b == '\0')
7090                                 continue;
7091                         if (!isxlfd(b)) {
7092                                 bar_font_legacy = 0;
7093                                 break;
7094                         }
7095                 }
7096                 break;
7097         case SWM_S_BAR_FORMAT:
7098                 free(bar_format);
7099                 if ((bar_format = strdup(value)) == NULL)
7100                         err(1, "setconfvalue: bar_format");
7101                 break;
7102         case SWM_S_BAR_JUSTIFY:
7103                 if (!strcmp(value, "left"))
7104                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
7105                 else if (!strcmp(value, "center"))
7106                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
7107                 else if (!strcmp(value, "right"))
7108                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
7109                 else
7110                         errx(1, "invalid bar_justify");
7111                 break;
7112         case SWM_S_BORDER_WIDTH:
7113                 border_width = atoi(value);
7114                 if (border_width < 0)
7115                         border_width = 0;
7116                 break;
7117         case SWM_S_BOUNDARY_WIDTH:
7118                 boundary_width = atoi(value);
7119                 if (boundary_width < 0)
7120                         boundary_width = 0;
7121                 break;
7122         case SWM_S_CLOCK_ENABLED:
7123                 clock_enabled = atoi(value);
7124                 break;
7125         case SWM_S_CLOCK_FORMAT:
7126 #ifndef SWM_DENY_CLOCK_FORMAT
7127                 free(clock_format);
7128                 if ((clock_format = strdup(value)) == NULL)
7129                         err(1, "setconfvalue: clock_format");
7130 #endif
7131                 break;
7132         case SWM_S_CYCLE_EMPTY:
7133                 cycle_empty = atoi(value);
7134                 break;
7135         case SWM_S_CYCLE_VISIBLE:
7136                 cycle_visible = atoi(value);
7137                 break;
7138         case SWM_S_DIALOG_RATIO:
7139                 dialog_ratio = atof(value);
7140                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
7141                         dialog_ratio = .6;
7142                 break;
7143         case SWM_S_DISABLE_BORDER:
7144                 disable_border = atoi(value);
7145                 break;
7146         case SWM_S_FOCUS_CLOSE:
7147                 if (!strcmp(value, "first"))
7148                         focus_close = SWM_STACK_BOTTOM;
7149                 else if (!strcmp(value, "last"))
7150                         focus_close = SWM_STACK_TOP;
7151                 else if (!strcmp(value, "next"))
7152                         focus_close = SWM_STACK_ABOVE;
7153                 else if (!strcmp(value, "previous"))
7154                         focus_close = SWM_STACK_BELOW;
7155                 else
7156                         errx(1, "focus_close");
7157                 break;
7158         case SWM_S_FOCUS_CLOSE_WRAP:
7159                 focus_close_wrap = atoi(value);
7160                 break;
7161         case SWM_S_FOCUS_DEFAULT:
7162                 if (!strcmp(value, "last"))
7163                         focus_default = SWM_STACK_TOP;
7164                 else if (!strcmp(value, "first"))
7165                         focus_default = SWM_STACK_BOTTOM;
7166                 else
7167                         errx(1, "focus_default");
7168                 break;
7169         case SWM_S_FOCUS_MODE:
7170                 if (!strcmp(value, "default"))
7171                         focus_mode = SWM_FOCUS_DEFAULT;
7172                 else if (!strcmp(value, "follow") ||
7173                     !strcmp(value, "follow_cursor"))
7174                         focus_mode = SWM_FOCUS_FOLLOW;
7175                 else if (!strcmp(value, "manual"))
7176                         focus_mode = SWM_FOCUS_MANUAL;
7177                 else
7178                         errx(1, "focus_mode");
7179                 break;
7180         case SWM_S_REGION_PADDING:
7181                 region_padding = atoi(value);
7182                 if (region_padding < 0)
7183                         region_padding = 0;
7184                 break;
7185         case SWM_S_SPAWN_ORDER:
7186                 if (!strcmp(value, "first"))
7187                         spawn_position = SWM_STACK_BOTTOM;
7188                 else if (!strcmp(value, "last"))
7189                         spawn_position = SWM_STACK_TOP;
7190                 else if (!strcmp(value, "next"))
7191                         spawn_position = SWM_STACK_ABOVE;
7192                 else if (!strcmp(value, "previous"))
7193                         spawn_position = SWM_STACK_BELOW;
7194                 else
7195                         errx(1, "spawn_position");
7196                 break;
7197         case SWM_S_SPAWN_TERM:
7198                 setconfspawn("term", value, 0);
7199                 setconfspawn("spawn_term", value, 0);
7200                 break;
7201         case SWM_S_SS_APP:
7202                 /* No longer needed; leave to not break old conf files. */
7203                 break;
7204         case SWM_S_SS_ENABLED:
7205                 /* No longer needed; leave to not break old conf files. */
7206                 break;
7207         case SWM_S_STACK_ENABLED:
7208                 stack_enabled = atoi(value);
7209                 break;
7210         case SWM_S_TERM_WIDTH:
7211                 term_width = atoi(value);
7212                 if (term_width < 0)
7213                         term_width = 0;
7214                 break;
7215         case SWM_S_TILE_GAP:
7216                 tile_gap = atoi(value);
7217                 break;
7218         case SWM_S_TITLE_CLASS_ENABLED:
7219                 title_class_enabled = atoi(value);
7220                 break;
7221         case SWM_S_TITLE_NAME_ENABLED:
7222                 title_name_enabled = atoi(value);
7223                 break;
7224         case SWM_S_URGENT_ENABLED:
7225                 urgent_enabled = atoi(value);
7226                 break;
7227         case SWM_S_VERBOSE_LAYOUT:
7228                 verbose_layout = atoi(value);
7229                 for (i = 0; layouts[i].l_stack != NULL; i++) {
7230                         if (verbose_layout)
7231                                 layouts[i].l_string = fancy_stacker;
7232                         else
7233                                 layouts[i].l_string = plain_stacker;
7234                 }
7235                 break;
7236         case SWM_S_WINDOW_NAME_ENABLED:
7237                 window_name_enabled = atoi(value);
7238                 break;
7239         case SWM_S_WORKSPACE_LIMIT:
7240                 workspace_limit = atoi(value);
7241                 if (workspace_limit > SWM_WS_MAX)
7242                         workspace_limit = SWM_WS_MAX;
7243                 else if (workspace_limit < 1)
7244                         workspace_limit = 1;
7245                 break;
7246         default:
7247                 return (1);
7248         }
7249         return (0);
7250 }
7251
7252 int
7253 setconfmodkey(char *selector, char *value, int flags)
7254 {
7255         /* suppress unused warnings since vars are needed */
7256         (void)selector;
7257         (void)flags;
7258
7259         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
7260                 update_modkey(XCB_MOD_MASK_1);
7261         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
7262                 update_modkey(XCB_MOD_MASK_2);
7263         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
7264                 update_modkey(XCB_MOD_MASK_3);
7265         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
7266                 update_modkey(XCB_MOD_MASK_4);
7267         else
7268                 return (1);
7269         return (0);
7270 }
7271
7272 int
7273 setconfcolor(char *selector, char *value, int flags)
7274 {
7275         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
7276         return (0);
7277 }
7278
7279 int
7280 setconfregion(char *selector, char *value, int flags)
7281 {
7282         /* suppress unused warnings since vars are needed */
7283         (void)selector;
7284         (void)flags;
7285
7286         custom_region(value);
7287         return (0);
7288 }
7289
7290 int
7291 setautorun(char *selector, char *value, int flags)
7292 {
7293         int                     ws_id;
7294         char                    s[1024];
7295         char                    *ap, *sp;
7296         union arg               a;
7297         int                     argc = 0;
7298         pid_t                   pid;
7299         struct pid_e            *p;
7300
7301         /* suppress unused warnings since vars are needed */
7302         (void)selector;
7303         (void)flags;
7304
7305         if (getenv("SWM_STARTED"))
7306                 return (0);
7307
7308         bzero(s, sizeof s);
7309         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
7310                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
7311         ws_id--;
7312         if (ws_id < 0 || ws_id >= workspace_limit)
7313                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
7314
7315         sp = expand_tilde((char *)&s);
7316
7317         /*
7318          * This is a little intricate
7319          *
7320          * If the pid already exists we simply reuse it because it means it was
7321          * used before AND not claimed by manage_window.  We get away with
7322          * altering it in the parent after INSERT because this can not be a race
7323          */
7324         a.argv = NULL;
7325         while ((ap = strsep(&sp, " \t")) != NULL) {
7326                 if (*ap == '\0')
7327                         continue;
7328                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
7329                 argc++;
7330                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
7331                         err(1, "setautorun: realloc");
7332                 a.argv[argc - 1] = ap;
7333         }
7334         free(sp);
7335
7336         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
7337                 err(1, "setautorun: realloc");
7338         a.argv[argc] = NULL;
7339
7340         if ((pid = fork()) == 0) {
7341                 spawn(ws_id, &a, 1);
7342                 /* NOTREACHED */
7343                 _exit(1);
7344         }
7345         free(a.argv);
7346
7347         /* parent */
7348         p = find_pid(pid);
7349         if (p == NULL) {
7350                 p = calloc(1, sizeof *p);
7351                 if (p == NULL)
7352                         return (1);
7353                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
7354         }
7355
7356         p->pid = pid;
7357         p->ws = ws_id;
7358
7359         return (0);
7360 }
7361
7362 int
7363 setlayout(char *selector, char *value, int flags)
7364 {
7365         int                     ws_id, i, x, mg, ma, si, ar, f = 0;
7366         int                     st = SWM_V_STACK, num_screens;
7367         char                    s[1024];
7368         struct workspace        *ws;
7369
7370         /* suppress unused warnings since vars are needed */
7371         (void)selector;
7372         (void)flags;
7373
7374         if (getenv("SWM_STARTED"))
7375                 return (0);
7376
7377         bzero(s, sizeof s);
7378         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
7379             &ws_id, &mg, &ma, &si, &ar, s) != 6)
7380                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
7381                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
7382                     "<type>'");
7383         ws_id--;
7384         if (ws_id < 0 || ws_id >= workspace_limit)
7385                 errx(1, "layout: invalid workspace %d", ws_id + 1);
7386
7387         if (!strcasecmp(s, "vertical"))
7388                 st = SWM_V_STACK;
7389         else if (!strcasecmp(s, "vertical_flip")) {
7390                 st = SWM_V_STACK;
7391                 f = 1;
7392         } else if (!strcasecmp(s, "horizontal"))
7393                 st = SWM_H_STACK;
7394         else if (!strcasecmp(s, "horizontal_flip")) {
7395                 st = SWM_H_STACK;
7396                 f = 1;
7397         } else if (!strcasecmp(s, "fullscreen"))
7398                 st = SWM_MAX_STACK;
7399         else
7400                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
7401                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
7402                     "<type>'");
7403
7404         num_screens = get_screen_count();
7405         for (i = 0; i < num_screens; i++) {
7406                 ws = (struct workspace *)&screens[i].ws;
7407                 ws[ws_id].cur_layout = &layouts[st];
7408
7409                 ws[ws_id].always_raise = ar;
7410                 if (st == SWM_MAX_STACK)
7411                         continue;
7412
7413                 /* master grow */
7414                 for (x = 0; x < abs(mg); x++) {
7415                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7416                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
7417                             SWM_ARG_ID_MASTERSHRINK);
7418                         stack();
7419                 }
7420                 /* master add */
7421                 for (x = 0; x < abs(ma); x++) {
7422                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7423                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
7424                             SWM_ARG_ID_MASTERDEL);
7425                         stack();
7426                 }
7427                 /* stack inc */
7428                 for (x = 0; x < abs(si); x++) {
7429                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7430                             si >= 0 ?  SWM_ARG_ID_STACKINC :
7431                             SWM_ARG_ID_STACKDEC);
7432                         stack();
7433                 }
7434                 /* Apply flip */
7435                 if (f) {
7436                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7437                             SWM_ARG_ID_FLIPLAYOUT);
7438                         stack();
7439                 }
7440         }
7441
7442         focus_flush();
7443
7444         return (0);
7445 }
7446
7447 /* config options */
7448 struct config_option {
7449         char                    *optname;
7450         int                     (*func)(char*, char*, int);
7451         int                     funcflags;
7452 };
7453 struct config_option configopt[] = {
7454         { "autorun",                    setautorun,     0 },
7455         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
7456         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
7457         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
7458         { "bar_border_unfocus",         setconfcolor,   SWM_S_COLOR_BAR_BORDER_UNFOCUS },
7459         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
7460         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
7461         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
7462         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
7463         { "bar_enabled_ws",             setconfvalue,   SWM_S_BAR_ENABLED_WS },
7464         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
7465         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
7466         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
7467         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
7468         { "bind",                       setconfbinding, 0 },
7469         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
7470         { "boundary_width",             setconfvalue,   SWM_S_BOUNDARY_WIDTH },
7471         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
7472         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
7473         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
7474         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
7475         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
7476         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
7477         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
7478         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
7479         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
7480         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
7481         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
7482         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
7483         { "keyboard_mapping",           setkeymapping,  0 },
7484         { "layout",                     setlayout,      0 },
7485         { "modkey",                     setconfmodkey,  0 },
7486         { "program",                    setconfspawn,   0 },
7487         { "quirk",                      setconfquirk,   0 },
7488         { "region",                     setconfregion,  0 },
7489         { "region_padding",             setconfvalue,   SWM_S_REGION_PADDING },
7490         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
7491         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
7492         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
7493         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
7494         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
7495         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
7496         { "tile_gap",                   setconfvalue,   SWM_S_TILE_GAP },
7497         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
7498         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
7499         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
7500         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
7501         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
7502         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
7503 };
7504
7505 void
7506 _add_startup_exception(const char *fmt, va_list ap)
7507 {
7508         if (vasprintf(&startup_exception, fmt, ap) == -1)
7509                 warn("%s: asprintf", __func__);
7510 }
7511
7512 void
7513 add_startup_exception(const char *fmt, ...)
7514 {
7515         va_list ap;
7516
7517         nr_exceptions++;
7518
7519         if (startup_exception)
7520                 return;
7521
7522         /* force bar to be enabled due to exception */
7523         bar_enabled = 1;
7524
7525         va_start(ap, fmt);
7526         _add_startup_exception(fmt, ap);
7527         va_end(ap);
7528 }
7529
7530 int
7531 conf_load(const char *filename, int keymapping)
7532 {
7533         FILE                    *config;
7534         char                    *line = NULL, *cp, *optsub, *optval = NULL;
7535         size_t                  linelen, lineno = 0;
7536         int                     wordlen, i, optidx;
7537         struct config_option    *opt = NULL;
7538
7539         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
7540
7541         if (filename == NULL) {
7542                 warnx("conf_load: no filename");
7543                 return (1);
7544         }
7545
7546         DNPRINTF(SWM_D_CONF, "conf_load: open %s\n", filename);
7547
7548         if ((config = fopen(filename, "r")) == NULL) {
7549                 warn("conf_load: fopen: %s", filename);
7550                 return (1);
7551         }
7552
7553         while (!feof(config)) {
7554                 if (line)
7555                         free(line);
7556
7557                 if ((line = fparseln(config, &linelen, &lineno, NULL,
7558                     FPARSELN_UNESCCOMM | FPARSELN_UNESCCONT)) == NULL) {
7559                         if (ferror(config))
7560                                 err(1, "%s", filename);
7561                         else
7562                                 continue;
7563                 }
7564                 cp = line;
7565                 cp += strspn(cp, " \t\n"); /* eat whitespace */
7566                 if (cp[0] == '\0') {
7567                         /* empty line */
7568                         continue;
7569                 }
7570                 /* get config option */
7571                 wordlen = strcspn(cp, "=[ \t\n");
7572                 if (wordlen == 0) {
7573                         add_startup_exception("%s: line %zd: no option found",
7574                             filename, lineno);
7575                         continue;
7576                 }
7577                 optidx = -1;
7578                 for (i = 0; i < LENGTH(configopt); i++) {
7579                         opt = &configopt[i];
7580                         if (!strncasecmp(cp, opt->optname, wordlen) &&
7581                             (int)strlen(opt->optname) == wordlen) {
7582                                 optidx = i;
7583                                 break;
7584                         }
7585                 }
7586                 if (optidx == -1) {
7587                         add_startup_exception("%s: line %zd: unknown option "
7588                             "%.*s", filename, lineno, wordlen, cp);
7589                         continue;
7590                 }
7591                 if (keymapping && opt && strcmp(opt->optname, "bind")) {
7592                         add_startup_exception("%s: line %zd: invalid option "
7593                             "%.*s", filename, lineno, wordlen, cp);
7594                         continue;
7595                 }
7596                 cp += wordlen;
7597                 cp += strspn(cp, " \t\n"); /* eat whitespace */
7598
7599                 /* from here on out we call goto invalid to continue */
7600
7601                 /* get [selector] if any */
7602                 optsub = NULL;
7603                 if (*cp == '[') {
7604                         cp++;
7605                         wordlen = strcspn(cp, "]");
7606                         if (*cp != ']') {
7607                                 if (wordlen == 0) {
7608                                         add_startup_exception("%s: line %zd: "
7609                                             "syntax error", filename, lineno);
7610                                         goto invalid;
7611                                 }
7612
7613                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
7614                                     -1) {
7615                                         add_startup_exception("%s: line %zd: "
7616                                             "unable to allocatememory for "
7617                                             "selector", filename, lineno);
7618                                         goto invalid;
7619                                 }
7620                         }
7621                         cp += wordlen;
7622                         cp += strspn(cp, "] \t\n"); /* eat trailing */
7623                 }
7624                 cp += strspn(cp, "= \t\n"); /* eat trailing */
7625                 /* get RHS value */
7626                 optval = strdup(cp);
7627                 if (strlen(optval) == 0) {
7628                         add_startup_exception("%s: line %zd: must supply value "
7629                             "to %s", filename, lineno,
7630                             configopt[optidx].optname);
7631                         goto invalid;
7632                 }
7633                 /* call function to deal with it all */
7634                 if (configopt[optidx].func(optsub, optval,
7635                     configopt[optidx].funcflags) != 0) {
7636                         add_startup_exception("%s: line %zd: invalid data for "
7637                             "%s", filename, lineno, configopt[optidx].optname);
7638                         goto invalid;
7639                 }
7640 invalid:
7641                 if (optval) {
7642                         free(optval);
7643                         optval = NULL;
7644                 }
7645                 if (optsub) {
7646                         free(optsub);
7647                         optsub = NULL;
7648                 }
7649         }
7650
7651         if (line)
7652                 free(line);
7653         fclose(config);
7654         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
7655
7656         return (0);
7657 }
7658
7659 void
7660 set_child_transient(struct ws_win *win, xcb_window_t *trans)
7661 {
7662         struct ws_win           *parent, *w;
7663         struct swm_region       *r;
7664         struct workspace        *ws;
7665         xcb_icccm_wm_hints_t    wmh;
7666
7667         parent = find_window(win->transient);
7668         if (parent)
7669                 parent->focus_child = win;
7670         else {
7671                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
7672                     " for 0x%x trans 0x%x\n", win->id, win->transient);
7673
7674                 r = root_to_region(win->wa->root, SWM_CK_ALL);
7675                 ws = r->ws;
7676                 /* parent doen't exist in our window list */
7677                 TAILQ_FOREACH(w, &ws->winlist, entry) {
7678                         if (xcb_icccm_get_wm_hints_reply(conn,
7679                             xcb_icccm_get_wm_hints(conn, w->id),
7680                             &wmh, NULL) != 1) {
7681                                 warnx("can't get hints for 0x%x", w->id);
7682                                 continue;
7683                         }
7684
7685                         if (win->hints.window_group != wmh.window_group)
7686                                 continue;
7687
7688                         w->focus_child = win;
7689                         win->transient = w->id;
7690                         *trans = w->id;
7691                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
7692                             "transient to 0x%x\n", win->transient);
7693                         break;
7694                 }
7695         }
7696 }
7697
7698 pid_t
7699 window_get_pid(xcb_window_t win)
7700 {
7701         pid_t                           ret = 0;
7702         const char                      *errstr;
7703         xcb_atom_t                      apid;
7704         xcb_get_property_cookie_t       pc;
7705         xcb_get_property_reply_t        *pr;
7706
7707         apid = get_atom_from_string("_NET_WM_PID");
7708         if (apid == XCB_ATOM_NONE)
7709                 goto tryharder;
7710
7711         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
7712         pr = xcb_get_property_reply(conn, pc, NULL);
7713         if (!pr)
7714                 goto tryharder;
7715         if (pr->type != XCB_ATOM_CARDINAL) {
7716                 free(pr);
7717                 goto tryharder;
7718         }
7719
7720         if (pr->type == apid && pr->format == 32)
7721                 ret = *((pid_t *)xcb_get_property_value(pr));
7722         free(pr);
7723
7724         return (ret);
7725
7726 tryharder:
7727         apid = get_atom_from_string("_SWM_PID");
7728         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
7729             0, SWM_PROPLEN);
7730         pr = xcb_get_property_reply(conn, pc, NULL);
7731         if (!pr)
7732                 return (0);
7733         if (pr->type != apid) {
7734                 free(pr);
7735                 return (0);
7736         }
7737
7738         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
7739         free(pr);
7740
7741         return (ret);
7742 }
7743
7744 int
7745 get_ws_idx(xcb_window_t id)
7746 {
7747         int                     ws_idx = -1;
7748         char                    *prop = NULL;
7749         size_t                  proplen;
7750         const char              *errstr;
7751         xcb_get_property_reply_t        *gpr;
7752
7753         gpr = xcb_get_property_reply(conn,
7754                 xcb_get_property(conn, 0, id, a_swm_ws,
7755                     XCB_ATOM_STRING, 0, SWM_PROPLEN),
7756                 NULL);
7757         if (!gpr)
7758                 return (-1);
7759         if (gpr->type) {
7760                 proplen = xcb_get_property_value_length(gpr);
7761                 if (proplen > 0) {
7762                         prop = malloc(proplen + 1);
7763                         if (prop) {
7764                                 memcpy(prop,
7765                                     xcb_get_property_value(gpr),
7766                                     proplen);
7767                                 prop[proplen] = '\0';
7768                         }
7769                 }
7770         }
7771         free(gpr);
7772
7773         if (prop) {
7774                 DNPRINTF(SWM_D_PROP, "get_ws_idx: _SWM_WS: %s\n", prop);
7775                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1, &errstr);
7776                 if (errstr) {
7777                         DNPRINTF(SWM_D_PROP, "get_ws_idx: window: #%s: %s",
7778                             errstr, prop);
7779                 }
7780                 free(prop);
7781         }
7782
7783         return ws_idx;
7784 }
7785
7786 struct ws_win *
7787 manage_window(xcb_window_t id, uint16_t mapped)
7788 {
7789         xcb_window_t            trans = XCB_WINDOW_NONE;
7790         struct ws_win           *win, *ww;
7791         int                     ws_idx;
7792         char                    ws_idx_str[SWM_PROPLEN];
7793         struct swm_region       *r;
7794         struct pid_e            *p;
7795         struct quirk            *qp;
7796         uint32_t                i, wa[2];
7797         xcb_icccm_get_wm_protocols_reply_t      wpr;
7798
7799         if ((win = find_window(id)) != NULL) {
7800                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x already "
7801                     "managed; skipping.)\n", id);
7802                 return (win);   /* Already managed. */
7803         }
7804
7805         /* See if window is on the unmanaged list. */
7806         if ((win = find_unmanaged_window(id)) != NULL) {
7807                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x found on "
7808                     "unmanaged list.\n", id);
7809                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
7810
7811                 if (win->transient)
7812                         set_child_transient(win, &trans);
7813
7814                 goto out;
7815         } else {
7816                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x is new.\n", id);
7817         }
7818
7819         /* Create and initialize ws_win object. */
7820         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
7821                 err(1, "manage_window: calloc: failed to allocate memory for "
7822                     "new window");
7823
7824         win->id = id;
7825
7826         /* Get window geometry. */
7827         win->wa = xcb_get_geometry_reply(conn,
7828             xcb_get_geometry(conn, win->id),
7829             NULL);
7830
7831         /* Figure out which region the window belongs to. */
7832         r = root_to_region(win->wa->root, SWM_CK_ALL);
7833
7834         /* Ignore window border if there is one. */
7835         WIDTH(win) = win->wa->width;
7836         HEIGHT(win) = win->wa->height;
7837         X(win) = win->wa->x + win->wa->border_width - border_width;
7838         Y(win) = win->wa->y + win->wa->border_width - border_width;
7839         win->bordered = 1;
7840         win->mapped = mapped;
7841         win->floatmaxed = 0;
7842         win->ewmh_flags = 0;
7843         win->s = r->s;  /* this never changes */
7844
7845         /* Get WM_SIZE_HINTS. */
7846         xcb_icccm_get_wm_normal_hints_reply(conn,
7847             xcb_icccm_get_wm_normal_hints(conn, win->id),
7848             &win->sh, NULL);
7849
7850         /* Get WM_HINTS. */
7851         xcb_icccm_get_wm_hints_reply(conn,
7852             xcb_icccm_get_wm_hints(conn, win->id),
7853             &win->hints, NULL);
7854
7855         /* Get WM_TRANSIENT_FOR; see if window is a transient. */
7856         xcb_icccm_get_wm_transient_for_reply(conn,
7857             xcb_icccm_get_wm_transient_for(conn, win->id),
7858             &trans, NULL);
7859         if (trans) {
7860                 win->transient = trans;
7861                 set_child_transient(win, &win->transient);
7862         }
7863
7864         /* Get supported protocols. */
7865         if (xcb_icccm_get_wm_protocols_reply(conn,
7866             xcb_icccm_get_wm_protocols(conn, win->id, a_prot),
7867             &wpr, NULL)) {
7868                 for (i = 0; i < wpr.atoms_len; i++) {
7869                         if (wpr.atoms[i] == a_takefocus)
7870                                 win->take_focus = 1;
7871                         if (wpr.atoms[i] == a_delete)
7872                                 win->can_delete = 1;
7873                 }
7874                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
7875         }
7876
7877         win->iconic = get_swm_iconic(win);
7878
7879         /* Figure out which workspace the window belongs to. */
7880         if ((p = find_pid(window_get_pid(win->id))) != NULL) {
7881                 win->ws = &r->s->ws[p->ws];
7882                 TAILQ_REMOVE(&pidlist, p, entry);
7883                 free(p);
7884                 p = NULL;
7885         } else if ((ws_idx = get_ws_idx(win->id)) != -1 &&
7886             !win->transient) {
7887                 /* _SWM_WS is set; use that. */
7888                 win->ws = &r->s->ws[ws_idx];
7889         } else if (trans && (ww = find_window(trans)) != NULL) {
7890                 /* Launch transients in the same ws as parent. */
7891                 win->ws = ww->ws;
7892         } else {
7893                 win->ws = r->ws;
7894         }
7895
7896         /* Set the _SWM_WS atom so we can remember this after reincarnation. */
7897         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", win->ws->idx) <
7898             SWM_PROPLEN) {
7899                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
7900                     ws_idx_str);
7901                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
7902                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
7903                     ws_idx_str);
7904         }
7905
7906         /* WS must already be set for this to work. */
7907         store_float_geom(win);
7908
7909         /* Handle EWMH */
7910         ewmh_autoquirk(win);
7911
7912         /* Determine initial quirks. */
7913         if (xcb_icccm_get_wm_class_reply(conn,
7914             xcb_icccm_get_wm_class(conn, win->id),
7915             &win->ch, NULL)) {
7916                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
7917                     win->ch.class_name, win->ch.instance_name);
7918
7919                 /* java is retarded so treat it special */
7920                 if (strstr(win->ch.instance_name, "sun-awt")) {
7921                         DNPRINTF(SWM_D_CLASS, "manage_window: java window "
7922                             "detected.\n");
7923                         win->java = 1;
7924                 }
7925
7926                 TAILQ_FOREACH(qp, &quirks, entry) {
7927                         if (!strcmp(win->ch.class_name, qp->class) &&
7928                             !strcmp(win->ch.instance_name, qp->name)) {
7929                                 DNPRINTF(SWM_D_CLASS, "manage_window: on quirks"
7930                                     "list; mask: 0x%lx\n", qp->quirk);
7931                                 if (qp->quirk & SWM_Q_FLOAT)
7932                                         win->floating = 1;
7933                                 win->quirks = qp->quirk;
7934                         }
7935                 }
7936         }
7937
7938         /* Alter window position if quirky */
7939         if (win->quirks & SWM_Q_ANYWHERE)
7940                 win->manual = 1;
7941
7942         /* Reset font sizes (the bruteforce way; no default keybinding). */
7943         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
7944                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7945                         fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
7946                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7947                         fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
7948         }
7949
7950         /* Make sure window is positioned inside its region, if its active. */
7951         if (win->ws->r) {
7952                 region_containment(win, r, SWM_CW_ALLSIDES |
7953                     SWM_CW_HARDBOUNDARY);
7954                 update_window(win);
7955         }
7956
7957         /* Select which X events to monitor and set border pixel color. */
7958         wa[0] = win->s->c[SWM_S_COLOR_UNFOCUS].pixel;
7959         wa[1] = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_PROPERTY_CHANGE |
7960             XCB_EVENT_MASK_STRUCTURE_NOTIFY;
7961 #ifdef SWM_DEBUG
7962         wa[1] |= XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE;
7963 #endif
7964
7965         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL |
7966             XCB_CW_EVENT_MASK, wa);
7967
7968 out:
7969         /* Figure out where to stack the window in the workspace. */
7970         if (trans && (ww = find_window(trans)))
7971                 TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
7972         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
7973                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
7974                     entry);
7975         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
7976                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
7977         else switch (spawn_position) {
7978         default:
7979         case SWM_STACK_TOP:
7980         case SWM_STACK_ABOVE:
7981                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
7982                 break;
7983         case SWM_STACK_BOTTOM:
7984         case SWM_STACK_BELOW:
7985                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
7986         }
7987
7988         /* Get initial _NET_WM_STATE */
7989         ewmh_get_win_state(win);
7990         /* Set initial _NET_WM_ALLOWED_ACTIONS */
7991         ewmh_update_actions(win);
7992
7993         grabbuttons(win);
7994
7995         DNPRINTF(SWM_D_MISC, "manage_window: done. window: 0x%x, (x,y) w x h: "
7996             "(%d,%d) %d x %d, ws: %d, iconic: %s, transient: 0x%x\n", win->id,
7997             X(win), Y(win), WIDTH(win), HEIGHT(win), win->ws->idx,
7998             YESNO(win->iconic), win->transient);
7999
8000         return (win);
8001 }
8002
8003 void
8004 free_window(struct ws_win *win)
8005 {
8006         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
8007
8008         if (win == NULL)
8009                 return;
8010
8011         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
8012
8013         if (win->wa)
8014                 free(win->wa);
8015
8016         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
8017
8018         kill_refs(win);
8019
8020         /* paint memory */
8021         memset(win, 0xff, sizeof *win); /* XXX kill later */
8022
8023         free(win);
8024         DNPRINTF(SWM_D_MISC, "free_window: done.\n");
8025 }
8026
8027 void
8028 unmanage_window(struct ws_win *win)
8029 {
8030         struct ws_win           *parent;
8031
8032         if (win == NULL)
8033                 return;
8034
8035         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
8036
8037         if (win->transient) {
8038                 parent = find_window(win->transient);
8039                 if (parent)
8040                         parent->focus_child = NULL;
8041         }
8042
8043         TAILQ_REMOVE(&win->ws->winlist, win, entry);
8044         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
8045 }
8046
8047 void
8048 expose(xcb_expose_event_t *e)
8049 {
8050         int                     i, num_screens;
8051         struct swm_region       *r;
8052
8053         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
8054
8055         num_screens = get_screen_count();
8056         for (i = 0; i < num_screens; i++)
8057                 TAILQ_FOREACH(r, &screens[i].rl, entry)
8058                         if (e->window == WINID(r->bar))
8059                                 bar_draw();
8060
8061         xcb_flush(conn);
8062 }
8063
8064 #ifdef SWM_DEBUG
8065 void
8066 focusin(xcb_focus_in_event_t *e)
8067 {
8068         DNPRINTF(SWM_D_EVENT, "focusin: window: 0x%x, mode: %s(%u), "
8069             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
8070             e->mode, get_notify_detail_label(e->detail), e->detail);
8071 }
8072
8073 void
8074 focusout(xcb_focus_out_event_t *e)
8075 {
8076         DNPRINTF(SWM_D_EVENT, "focusout: window: 0x%x, mode: %s(%u), "
8077             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
8078             e->mode, get_notify_detail_label(e->detail), e->detail);
8079 }
8080 #endif
8081
8082 void
8083 keypress(xcb_key_press_event_t *e)
8084 {
8085         xcb_keysym_t            keysym;
8086         struct key              *kp;
8087
8088         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
8089
8090         DNPRINTF(SWM_D_EVENT, "keypress: keysym: %u, win (x,y): 0x%x (%d,%d), "
8091             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
8092             "state: %u, same_screen: %s\n", keysym, e->event, e->event_x,
8093             e->event_y, e->detail, e->time, e->root, e->root_x, e->root_y,
8094             e->child, e->state, YESNO(e->same_screen));
8095
8096         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
8097                 goto out;
8098
8099         last_event_time = e->time;
8100
8101         if (kp->funcid == KF_SPAWN_CUSTOM)
8102                 spawn_custom(root_to_region(e->root, SWM_CK_ALL),
8103                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
8104         else if (keyfuncs[kp->funcid].func)
8105                 keyfuncs[kp->funcid].func(root_to_region(e->root, SWM_CK_ALL),
8106                     &(keyfuncs[kp->funcid].args));
8107
8108 out:
8109         /* Unfreeze grab events. */
8110         xcb_allow_events(conn, XCB_ALLOW_ASYNC_KEYBOARD, e->time);
8111         xcb_flush(conn);
8112
8113         DNPRINTF(SWM_D_EVENT, "keypress: done.\n");
8114 }
8115
8116 void
8117 buttonpress(xcb_button_press_event_t *e)
8118 {
8119         struct ws_win           *win = NULL;
8120         struct swm_region       *r, *old_r;
8121         int                     i;
8122         int                     handled = 0;
8123
8124         DNPRINTF(SWM_D_EVENT, "buttonpress: win (x,y): 0x%x (%d,%d), "
8125             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
8126             "state: %u, same_screen: %s\n", e->event, e->event_x, e->event_y,
8127             e->detail, e->time, e->root, e->root_x, e->root_y, e->child,
8128             e->state, YESNO(e->same_screen));
8129
8130         if (e->event == e->root) {
8131                 if (e->child != 0) {
8132                         win = find_window(e->child);
8133                         /* Pass ButtonPress to window if it isn't managed. */
8134                         if (win == NULL)
8135                                 goto out;
8136                 } else {
8137                         /* Focus on empty region */
8138                         /* If no windows on region if its empty. */
8139                         r = root_to_region(e->root, SWM_CK_POINTER);
8140                         if (r == NULL) {
8141                                 DNPRINTF(SWM_D_EVENT, "buttonpress: "
8142                                     "NULL region; ignoring.\n");
8143                                 goto out;
8144                         }
8145
8146                         if (TAILQ_EMPTY(&r->ws->winlist)) {
8147                                 old_r = root_to_region(e->root, SWM_CK_FOCUS);
8148                                 if (old_r && old_r != r)
8149                                         unfocus_win(old_r->ws->focus);
8150
8151                                 xcb_set_input_focus(conn,
8152                                     XCB_INPUT_FOCUS_PARENT, e->root, e->time);
8153
8154                                 /* Clear bar since empty. */
8155                                 bar_draw();
8156
8157                                 handled = 1;
8158                                 goto out;
8159                         }
8160                 }
8161         } else {
8162                 win = find_window(e->event);
8163         }
8164
8165         if (win == NULL)
8166                 goto out;
8167
8168         last_event_time = e->time;
8169
8170         focus_win(get_focus_magic(win));
8171
8172         for (i = 0; i < LENGTH(buttons); i++)
8173                 if (client_click == buttons[i].action && buttons[i].func &&
8174                     buttons[i].button == e->detail &&
8175                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state)) {
8176                         buttons[i].func(win, &buttons[i].args);
8177                         handled = 1;
8178                 }
8179
8180 out:
8181         if (!handled) {
8182                 DNPRINTF(SWM_D_EVENT, "buttonpress: passing to window.\n");
8183                 /* Replay event to event window */
8184                 xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, e->time);
8185         } else {
8186                 DNPRINTF(SWM_D_EVENT, "buttonpress: handled.\n");
8187                 /* Unfreeze grab events. */
8188                 xcb_allow_events(conn, XCB_ALLOW_SYNC_POINTER, e->time);
8189         }
8190
8191         xcb_flush(conn);
8192 }
8193
8194 #ifdef SWM_DEBUG
8195 void
8196 print_win_geom(xcb_window_t w)
8197 {
8198         xcb_get_geometry_reply_t        *wa;
8199
8200         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
8201
8202         if (!wa) {
8203                 DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: 0x%x\n",
8204                     w);
8205                 return;
8206         }
8207
8208         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
8209             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
8210             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
8211             wa->border_width);
8212
8213         free(wa);
8214 }
8215 #endif
8216
8217 #ifdef SWM_DEBUG
8218 char *
8219 get_stack_mode_name(uint8_t mode)
8220 {
8221         char    *name;
8222
8223         switch(mode) {
8224         case XCB_STACK_MODE_ABOVE:
8225                 name = "Above";
8226                 break;
8227         case XCB_STACK_MODE_BELOW:
8228                 name = "Below";
8229                 break;
8230         case XCB_STACK_MODE_TOP_IF:
8231                 name = "TopIf";
8232                 break;
8233         case XCB_STACK_MODE_BOTTOM_IF:
8234                 name = "BottomIf";
8235                 break;
8236         case XCB_STACK_MODE_OPPOSITE:
8237                 name = "Opposite";
8238                 break;
8239         default:
8240                 name = "Unknown";
8241         }
8242
8243         return name;
8244 }
8245 #endif
8246
8247 void
8248 configurerequest(xcb_configure_request_event_t *e)
8249 {
8250         struct ws_win           *win;
8251         struct swm_region       *r = NULL;
8252         int                     new = 0, i = 0;
8253         uint16_t                mask = 0;
8254         uint32_t                wc[7] = {0};
8255
8256         if ((win = find_window(e->window)) == NULL)
8257                 if ((win = find_unmanaged_window(e->window)) == NULL)
8258                         new = 1;
8259
8260 #ifdef SWM_DEBUG
8261         if (swm_debug & SWM_D_EVENT) {
8262                 print_win_geom(e->window);
8263
8264                 DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%x, "
8265                     "parent: 0x%x, new: %s, value_mask: %u { ", e->window,
8266                     e->parent, YESNO(new), e->value_mask);
8267                 if (e->value_mask & XCB_CONFIG_WINDOW_X)
8268                         DPRINTF("X: %d ", e->x);
8269                 if (e->value_mask & XCB_CONFIG_WINDOW_Y)
8270                         DPRINTF("Y: %d ", e->y);
8271                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
8272                         DPRINTF("W: %u ", e->width);
8273                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
8274                         DPRINTF("H: %u ", e->height);
8275                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
8276                         DPRINTF("Border: %u ", e->border_width);
8277                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING)
8278                         DPRINTF("Sibling: 0x%x ", e->sibling);
8279                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE)
8280                         DPRINTF("StackMode: %s(%u) ",
8281                             get_stack_mode_name(e->stack_mode), e->stack_mode);
8282                 DPRINTF("}\n");
8283         }
8284 #endif
8285
8286         if (new) {
8287                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
8288                         mask |= XCB_CONFIG_WINDOW_X;
8289                         wc[i++] = e->x;
8290                 }
8291                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
8292                         mask |= XCB_CONFIG_WINDOW_Y;
8293                         wc[i++] = e->y;
8294                 }
8295                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
8296                         mask |= XCB_CONFIG_WINDOW_WIDTH;
8297                         wc[i++] = e->width;
8298                 }
8299                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
8300                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
8301                         wc[i++] = e->height;
8302                 }
8303                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
8304                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
8305                         wc[i++] = e->border_width;
8306                 }
8307                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
8308                         mask |= XCB_CONFIG_WINDOW_SIBLING;
8309                         wc[i++] = e->sibling;
8310                 }
8311                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
8312                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
8313                         wc[i++] = e->stack_mode;
8314                 }
8315
8316                 if (mask != 0) {
8317                         xcb_configure_window(conn, e->window, mask, wc);
8318                         xcb_flush(conn);
8319                 }
8320         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
8321             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
8322                 if (win->ws->r)
8323                         r = win->ws->r;
8324                 else if (win->ws->old_r)
8325                         r = win->ws->old_r;
8326
8327                 /* windows are centered unless ANYWHERE quirk is set. */
8328                 if (win->quirks & SWM_Q_ANYWHERE) {
8329                         if (e->value_mask & XCB_CONFIG_WINDOW_X) {
8330                                 win->g_float.x = e->x;
8331                                 if (r)
8332                                         win->g_float.x -= X(r);
8333                         }
8334
8335                         if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
8336                                 win->g_float.y = e->y;
8337                                 if (r)
8338                                         win->g_float.y -= Y(r);
8339                         }
8340                 }
8341
8342                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
8343                         win->g_float.w = e->width;
8344
8345                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
8346                         win->g_float.h = e->height;
8347
8348                 win->g_floatvalid = 1;
8349
8350                 if (win->floating && r && (win->transient ||
8351                     win->ws->cur_layout != &layouts[SWM_MAX_STACK])) {
8352                         WIDTH(win) = win->g_float.w;
8353                         HEIGHT(win) = win->g_float.h;
8354
8355                         if (r) {
8356                                 stack_floater(win, r);
8357                                 focus_flush();
8358                         }
8359                 } else {
8360                         config_win(win, e);
8361                         xcb_flush(conn);
8362                 }
8363         } else {
8364                 config_win(win, e);
8365                 xcb_flush(conn);
8366         }
8367
8368         DNPRINTF(SWM_D_EVENT, "configurerequest: done.\n");
8369 }
8370
8371 void
8372 configurenotify(xcb_configure_notify_event_t *e)
8373 {
8374         struct ws_win           *win;
8375
8376         DNPRINTF(SWM_D_EVENT, "configurenotify: win 0x%x, event win: 0x%x, "
8377             "(x,y) WxH: (%d,%d) %ux%u, border: %u, above_sibling: 0x%x, "
8378             "override_redirect: %s\n", e->window, e->event, e->x, e->y,
8379             e->width, e->height, e->border_width, e->above_sibling,
8380             YESNO(e->override_redirect));
8381
8382         win = find_window(e->window);
8383         if (win) {
8384                 xcb_icccm_get_wm_normal_hints_reply(conn,
8385                     xcb_icccm_get_wm_normal_hints(conn, win->id),
8386                     &win->sh, NULL);
8387                 adjust_font(win);
8388                 if (font_adjusted) {
8389                         stack();
8390                         xcb_flush(conn);
8391                 }
8392         }
8393 }
8394
8395 void
8396 destroynotify(xcb_destroy_notify_event_t *e)
8397 {
8398         struct ws_win           *win;
8399
8400         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
8401
8402         if ((win = find_window(e->window)) == NULL) {
8403                 if ((win = find_unmanaged_window(e->window)) == NULL)
8404                         return;
8405                 free_window(win);
8406                 return;
8407         }
8408
8409         if (focus_mode != SWM_FOCUS_FOLLOW) {
8410                 /* If we were focused, make sure we focus on something else. */
8411                 if (win == win->ws->focus)
8412                         win->ws->focus_pending = get_focus_prev(win);
8413         }
8414
8415         unmanage_window(win);
8416         stack();
8417
8418         if (focus_mode != SWM_FOCUS_FOLLOW) {
8419                 if (win->ws->focus_pending) {
8420                         focus_win(win->ws->focus_pending);
8421                         win->ws->focus_pending = NULL;
8422                 } else if (win == win->ws->focus && win->ws->r) {
8423                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
8424                             win->ws->r->id, XCB_CURRENT_TIME);
8425                 }
8426         }
8427
8428         free_window(win);
8429
8430         focus_flush();
8431 }
8432
8433 #ifdef SWM_DEBUG
8434 char *
8435 get_notify_detail_label(uint8_t detail)
8436 {
8437         char *label;
8438
8439         switch (detail) {
8440         case XCB_NOTIFY_DETAIL_ANCESTOR:
8441                 label = "Ancestor";
8442                 break;
8443         case XCB_NOTIFY_DETAIL_VIRTUAL:
8444                 label = "Virtual";
8445                 break;
8446         case XCB_NOTIFY_DETAIL_INFERIOR:
8447                 label = "Inferior";
8448                 break;
8449         case XCB_NOTIFY_DETAIL_NONLINEAR:
8450                 label = "Nonlinear";
8451                 break;
8452         case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
8453                 label = "NonlinearVirtual";
8454                 break;
8455         case XCB_NOTIFY_DETAIL_POINTER:
8456                 label = "Pointer";
8457                 break;
8458         case XCB_NOTIFY_DETAIL_POINTER_ROOT:
8459                 label = "PointerRoot";
8460                 break;
8461         case XCB_NOTIFY_DETAIL_NONE:
8462                 label = "None";
8463                 break;
8464         default:
8465                 label = "Unknown";
8466         }
8467
8468         return label;
8469 }
8470
8471 char *
8472 get_notify_mode_label(uint8_t mode)
8473 {
8474         char *label;
8475
8476         switch (mode) {
8477         case XCB_NOTIFY_MODE_NORMAL:
8478                 label = "Normal";
8479                 break;
8480         case XCB_NOTIFY_MODE_GRAB:
8481                 label = "Grab";
8482                 break;
8483         case XCB_NOTIFY_MODE_UNGRAB:
8484                 label = "Ungrab";
8485                 break;
8486         case XCB_NOTIFY_MODE_WHILE_GRABBED:
8487                 label = "WhileGrabbed";
8488                 break;
8489         default:
8490                 label = "Unknown";
8491         }
8492
8493         return label;
8494 }
8495 #endif
8496
8497 void
8498 enternotify(xcb_enter_notify_event_t *e)
8499 {
8500         struct ws_win           *win;
8501         struct swm_region       *r;
8502
8503         DNPRINTF(SWM_D_FOCUS, "enternotify: time: %u, win (x,y): 0x%x "
8504             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8505             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8506             e->time, e->event, e->event_x, e->event_y,
8507             get_notify_mode_label(e->mode), e->mode,
8508             get_notify_detail_label(e->detail), e->detail,
8509             e->root, e->root_x, e->root_y, e->child,
8510             YESNO(e->same_screen_focus), e->state);
8511
8512         if (focus_mode == SWM_FOCUS_MANUAL &&
8513             e->mode == XCB_NOTIFY_MODE_NORMAL) {
8514                 DNPRINTF(SWM_D_EVENT, "enternotify: manual focus; ignoring.\n");
8515                 return;
8516         }
8517
8518         last_event_time = e->time;
8519
8520         if ((win = find_window(e->event)) == NULL) {
8521                 if (e->event == e->root) {
8522                         /* If no windows on pointer region, then focus root. */
8523                         r = root_to_region(e->root, SWM_CK_POINTER);
8524                         if (r == NULL) {
8525                                 DNPRINTF(SWM_D_EVENT, "enternotify: "
8526                                     "NULL region; ignoring.\n");
8527                                 return;
8528                         }
8529
8530                         focus_region(r);
8531                 } else {
8532                         DNPRINTF(SWM_D_EVENT, "enternotify: window is NULL; "
8533                             "ignoring\n");
8534                         return;
8535                 }
8536         } else {
8537                 focus_win(get_focus_magic(win));
8538         }
8539
8540         xcb_flush(conn);
8541 }
8542
8543 #ifdef SWM_DEBUG
8544 void
8545 leavenotify(xcb_leave_notify_event_t *e)
8546 {
8547         DNPRINTF(SWM_D_FOCUS, "leavenotify: time: %u, win (x,y): 0x%x "
8548             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8549             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8550             e->time, e->event, e->event_x, e->event_y,
8551             get_notify_mode_label(e->mode), e->mode,
8552             get_notify_detail_label(e->detail), e->detail,
8553             e->root, e->root_x, e->root_y, e->child,
8554             YESNO(e->same_screen_focus), e->state);
8555 }
8556 #endif
8557
8558 void
8559 mapnotify(xcb_map_notify_event_t *e)
8560 {
8561         struct ws_win           *win;
8562
8563         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
8564
8565         if ((win = find_window(e->window)) == NULL)
8566                 win = manage_window(e->window, 1);
8567
8568         win->mapped = 1;
8569         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
8570
8571         if (focus_mode != SWM_FOCUS_FOLLOW) {
8572                 if (win->ws->focus_pending == win) {
8573                         focus_win(win);
8574                         win->ws->focus_pending = NULL;
8575                         focus_flush();
8576                 }
8577         }
8578
8579         xcb_flush(conn);
8580 }
8581
8582 void
8583 mappingnotify(xcb_mapping_notify_event_t *e)
8584 {
8585         xcb_refresh_keyboard_mapping(syms, e);
8586
8587         if (e->request == XCB_MAPPING_KEYBOARD)
8588                 grabkeys();
8589 }
8590
8591 void
8592 maprequest(xcb_map_request_event_t *e)
8593 {
8594         struct ws_win           *win, *w = NULL;
8595         xcb_get_window_attributes_reply_t *war;
8596
8597         DNPRINTF(SWM_D_EVENT, "maprequest: win 0x%x\n",
8598             e->window);
8599
8600         war = xcb_get_window_attributes_reply(conn,
8601             xcb_get_window_attributes(conn, e->window),
8602             NULL);
8603         if (war == NULL) {
8604                 DNPRINTF(SWM_D_EVENT, "maprequest: window lost.\n");
8605                 goto out;
8606         }
8607
8608         if (war->override_redirect) {
8609                 DNPRINTF(SWM_D_EVENT, "maprequest: override_redirect; "
8610                     "skipping.\n");
8611                 goto out;
8612         }
8613
8614         win = manage_window(e->window,
8615             (war->map_state == XCB_MAP_STATE_VIEWABLE));
8616
8617         /* The new window should get focus; prepare. */
8618         if (focus_mode != SWM_FOCUS_FOLLOW &&
8619             !(win->quirks & SWM_Q_NOFOCUSONMAP)) {
8620                 if (win->quirks & SWM_Q_FOCUSONMAP_SINGLE) {
8621                         /* See if other wins of same type are already mapped. */
8622                         TAILQ_FOREACH(w, &win->ws->winlist, entry) {
8623                                 if (w == win || !w->mapped)
8624                                         continue;
8625
8626                                 if (w->ch.class_name &&
8627                                     win->ch.class_name &&
8628                                     !strcmp(w->ch.class_name,
8629                                     win->ch.class_name) &&
8630                                     w->ch.instance_name &&
8631                                     win->ch.instance_name &&
8632                                     !strcmp(w->ch.instance_name,
8633                                     win->ch.instance_name))
8634                                         break;
8635                         }
8636                 }
8637
8638                 if (w == NULL)
8639                         win->ws->focus_pending = get_focus_magic(win);
8640         }
8641
8642         /* All windows need to be mapped if they are in the current workspace.*/
8643         if (win->ws->r)
8644                 stack();
8645
8646         /* Ignore EnterNotify to handle the mapnotify without interference. */
8647         if (focus_mode == SWM_FOCUS_DEFAULT)
8648                 event_drain(XCB_ENTER_NOTIFY);
8649 out:
8650         free(war);
8651         DNPRINTF(SWM_D_EVENT, "maprequest: done.\n");
8652 }
8653
8654 void
8655 motionnotify(xcb_motion_notify_event_t *e)
8656 {
8657         struct swm_region       *r;
8658         int                     i, num_screens;
8659
8660         DNPRINTF(SWM_D_FOCUS, "motionnotify: time: %u, win (x,y): 0x%x "
8661             "(%d,%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8662             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8663             e->time, e->event, e->event_x, e->event_y,
8664             get_notify_detail_label(e->detail), e->detail,
8665             e->root, e->root_x, e->root_y, e->child,
8666             YESNO(e->same_screen), e->state);
8667
8668         last_event_time = e->time;
8669
8670         if (focus_mode == SWM_FOCUS_MANUAL)
8671                 return;
8672
8673         num_screens = get_screen_count();
8674         for (i = 0; i < num_screens; i++)
8675                 if (screens[i].root == e->root)
8676                         break;
8677
8678         TAILQ_FOREACH(r, &screens[i].rl, entry)
8679                 if (X(r) <= e->root_x && e->root_x < MAX_X(r) &&
8680                     Y(r) <= e->root_y && e->root_y < MAX_Y(r))
8681                         break;
8682
8683         focus_region(r);
8684 }
8685
8686 #ifdef SWM_DEBUG
8687 char *
8688 get_atom_name(xcb_atom_t atom)
8689 {
8690         char                            *name = NULL;
8691 #if 0
8692         /*
8693          * This should be disabled during most debugging since
8694          * xcb_get_* causes an xcb_flush.
8695          */
8696         size_t                          len;
8697         xcb_get_atom_name_reply_t       *r;
8698
8699         r = xcb_get_atom_name_reply(conn,
8700             xcb_get_atom_name(conn, atom),
8701             NULL);
8702         if (r) {
8703                 len = xcb_get_atom_name_name_length(r);
8704                 if (len > 0) {
8705                         name = malloc(len + 1);
8706                         if (name) {
8707                                 memcpy(name, xcb_get_atom_name_name(r), len);
8708                                 name[len] = '\0';
8709                         }
8710                 }
8711                 free(r);
8712         }
8713 #else
8714         (void)atom;
8715 #endif
8716         return (name);
8717 }
8718 #endif
8719
8720 void
8721 propertynotify(xcb_property_notify_event_t *e)
8722 {
8723         struct ws_win           *win;
8724         struct workspace        *ws;
8725 #ifdef SWM_DEBUG
8726         char                    *name;
8727
8728         name = get_atom_name(e->atom);
8729         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u), "
8730             "time: %#x, state: %u\n", e->window, name, e->atom, e->time,
8731             e->state);
8732         free(name);
8733 #endif
8734         win = find_window(e->window);
8735         if (win == NULL)
8736                 return;
8737
8738         ws = win->ws;
8739
8740         last_event_time = e->time;
8741
8742         if (e->atom == a_swm_iconic) {
8743                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8744                         if (focus_mode != SWM_FOCUS_FOLLOW)
8745                                 ws->focus_pending = get_focus_prev(win);
8746
8747                         unfocus_win(win);
8748                         unmap_window(win);
8749
8750                         if (ws->r) {
8751                                 stack();
8752
8753                                 if (focus_mode != SWM_FOCUS_FOLLOW) {
8754                                         if (ws->focus_pending) {
8755                                                 focus_win(ws->focus_pending);
8756                                                 ws->focus_pending = NULL;
8757                                         } else {
8758                                                 xcb_set_input_focus(conn,
8759                                                     XCB_INPUT_FOCUS_PARENT,
8760                                                     ws->r->id,
8761                                                     XCB_CURRENT_TIME);
8762                                         }
8763                                 }
8764
8765                                 focus_flush();
8766                         }
8767                 } else if (e->state == XCB_PROPERTY_DELETE) {
8768                         /* The window is no longer iconic, restack ws. */
8769                         if (focus_mode != SWM_FOCUS_FOLLOW)
8770                                 ws->focus_pending = get_focus_magic(win);
8771
8772                         stack();
8773
8774                         /* Flush EnterNotify for mapnotify, if needed. */
8775                         focus_flush();
8776                 }
8777         } else if (e->atom == a_state) {
8778                 /* State just changed, make sure it gets focused if mapped. */
8779                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8780                         if (focus_mode != SWM_FOCUS_FOLLOW) {
8781                                 if (win->mapped &&
8782                                     ws->focus_pending == win) {
8783                                         focus_win(ws->focus_pending);
8784                                         ws->focus_pending = NULL;
8785                                 }
8786                         }
8787                 }
8788         } else if (e->atom == XCB_ATOM_WM_CLASS ||
8789             e->atom == XCB_ATOM_WM_NAME) {
8790                 bar_draw();
8791         }
8792
8793         xcb_flush(conn);
8794 }
8795
8796 void
8797 unmapnotify(xcb_unmap_notify_event_t *e)
8798 {
8799         struct ws_win           *win;
8800         struct workspace        *ws;
8801
8802         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
8803
8804         /* If we aren't managing the window, then ignore. */
8805         win = find_window(e->window);
8806         if (win == NULL || win->id != e->window)
8807                 return;
8808
8809         ws = win->ws;
8810
8811         if (getstate(e->window) != XCB_ICCCM_WM_STATE_ICONIC)
8812                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8813
8814         if (win->mapped) {
8815                 /* window unmapped itself */
8816                 /* do unmap/unfocus/restack and unmanage */
8817                 win->mapped = 0;
8818
8819                 /* If win was focused, make sure to focus on something else. */
8820                 if (win == ws->focus) {
8821                         if (focus_mode != SWM_FOCUS_FOLLOW) {
8822                                 ws->focus_pending = get_focus_prev(win);
8823                                 DNPRINTF(SWM_D_EVENT, "unmapnotify: "
8824                                     "focus_pending: 0x%x\n",
8825                                     WINID(ws->focus_pending));
8826                         }
8827
8828                         unfocus_win(win);
8829                 }
8830
8831                 unmanage_window(win);
8832
8833                 if (ws->r)
8834                         stack();
8835
8836                 if (focus_mode == SWM_FOCUS_FOLLOW) {
8837                         if (ws->r)
8838                                 focus_win(get_pointer_win(ws->r->s->root));
8839                 } else if (ws->focus_pending) {
8840                         focus_win(ws->focus_pending);
8841                         ws->focus_pending = NULL;
8842                 } else if (ws->focus == NULL && ws->r) {
8843                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
8844                             ws->r->id, XCB_CURRENT_TIME);
8845                 }
8846         }
8847
8848         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL)
8849                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8850
8851         focus_flush();
8852 }
8853
8854 #if 0
8855 void
8856 visibilitynotify(xcb_visibility_notify_event_t *e)
8857 {
8858         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
8859             e->window);
8860 }
8861 #endif
8862
8863 void
8864 clientmessage(xcb_client_message_event_t *e)
8865 {
8866         struct ws_win *win;
8867         xcb_map_request_event_t mre;
8868 #ifdef SWM_DEBUG
8869         char                    *name;
8870
8871         name = get_atom_name(e->type);
8872         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
8873             e->window, name, e->type);
8874         free(name);
8875 #endif
8876         win = find_window(e->window);
8877
8878         if (win == NULL) {
8879                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8880                         /* Manage the window with maprequest. */
8881                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
8882                             "unmanaged window.\n");
8883                         mre.window = e->window;
8884                         maprequest(&mre);
8885                 }
8886                 return;
8887         }
8888
8889         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8890                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
8891                 focus_win(win);
8892         }
8893         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
8894                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
8895                 if (win->can_delete)
8896                         client_msg(win, a_delete, 0);
8897                 else
8898                         xcb_kill_client(conn, win->id);
8899         }
8900         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
8901                 DNPRINTF(SWM_D_EVENT,
8902                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
8903                 if (win->floating) {
8904                         if (e->data.data32[0] & (1<<8)) /* x */
8905                                 X(win) = e->data.data32[1];
8906                         if (e->data.data32[0] & (1<<9)) /* y */
8907                                 Y(win) = e->data.data32[2];
8908                         if (e->data.data32[0] & (1<<10)) /* width */
8909                                 WIDTH(win) = e->data.data32[3];
8910                         if (e->data.data32[0] & (1<<11)) /* height */
8911                                 HEIGHT(win) = e->data.data32[4];
8912
8913                         update_window(win);
8914                 }
8915                 else {
8916                         /* TODO: Change stack sizes */
8917                         /* notify no change was made. */
8918                         config_win(win, NULL);
8919                 }
8920         }
8921         if (e->type == ewmh[_NET_WM_STATE].atom) {
8922                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
8923                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
8924                 if (e->data.data32[2])
8925                         ewmh_update_win_state(win, e->data.data32[2],
8926                             e->data.data32[0]);
8927
8928                 stack();
8929         }
8930
8931         focus_flush();
8932 }
8933
8934 void
8935 check_conn(void)
8936 {
8937         int      errcode = xcb_connection_has_error(conn);
8938 #ifdef XCB_CONN_ERROR
8939         char    *s;
8940         switch (errcode) {
8941         case XCB_CONN_ERROR:
8942                 s = "Socket error, pipe error or other stream error.";
8943                 break;
8944         case XCB_CONN_CLOSED_EXT_NOTSUPPORTED:
8945                 s = "Extension not supported.";
8946                 break;
8947         case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
8948                 s = "Insufficient memory.";
8949                 break;
8950         case XCB_CONN_CLOSED_REQ_LEN_EXCEED:
8951                 s = "Request length was exceeded.";
8952                 break;
8953         case XCB_CONN_CLOSED_PARSE_ERR:
8954                 s = "Error parsing display string.";
8955                 break;
8956         default:
8957                 s = "Unknown error.";
8958         }
8959         if (errcode)
8960                 errx(errcode, "X CONNECTION ERROR: %s", s);
8961 #else
8962         if (errcode)
8963                 errx(errcode, "X CONNECTION ERROR");
8964 #endif
8965 }
8966
8967 int
8968 enable_wm(void)
8969 {
8970         int                     num_screens, i;
8971         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
8972             XCB_EVENT_MASK_ENTER_WINDOW;
8973         xcb_screen_t            *sc;
8974         xcb_void_cookie_t       wac;
8975         xcb_generic_error_t     *error;
8976
8977         /* this causes an error if some other window manager is running */
8978         num_screens = get_screen_count();
8979         for (i = 0; i < num_screens; i++) {
8980                 if ((sc = get_screen(i)) == NULL)
8981                         errx(1, "ERROR: can't get screen %d.", i);
8982                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
8983                     i, sc->root);
8984                 wac = xcb_change_window_attributes_checked(conn, sc->root,
8985                     XCB_CW_EVENT_MASK, &val);
8986                 if ((error = xcb_request_check(conn, wac))) {
8987                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
8988                             error->error_code);
8989                         free(error);
8990                         return 1;
8991                 }
8992
8993                 /* click to focus on empty region */
8994                 xcb_grab_button(conn, 1, sc->root, BUTTONMASK,
8995                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
8996                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_1, XCB_BUTTON_MASK_ANY);
8997         }
8998
8999         return 0;
9000 }
9001
9002 void
9003 new_region(struct swm_screen *s, int x, int y, int w, int h)
9004 {
9005         struct swm_region       *r, *n;
9006         struct workspace        *ws = NULL;
9007         int                     i;
9008         uint32_t                wa[1];
9009
9010         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
9011              s->idx, w, h, x, y);
9012
9013         /* remove any conflicting regions */
9014         n = TAILQ_FIRST(&s->rl);
9015         while (n) {
9016                 r = n;
9017                 n = TAILQ_NEXT(r, entry);
9018                 if (X(r) < (x + w) && (X(r) + WIDTH(r)) > x &&
9019                     Y(r) < (y + h) && (Y(r) + HEIGHT(r)) > y) {
9020                         if (r->ws->r != NULL)
9021                                 r->ws->old_r = r->ws->r;
9022                         r->ws->r = NULL;
9023                         bar_cleanup(r);
9024                         xcb_destroy_window(conn, r->id);
9025                         TAILQ_REMOVE(&s->rl, r, entry);
9026                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
9027                 }
9028         }
9029
9030         /* search old regions for one to reuse */
9031
9032         /* size + location match */
9033         TAILQ_FOREACH(r, &s->orl, entry)
9034                 if (X(r) == x && Y(r) == y &&
9035                     HEIGHT(r) == h && WIDTH(r) == w)
9036                         break;
9037
9038         /* size match */
9039         TAILQ_FOREACH(r, &s->orl, entry)
9040                 if (HEIGHT(r) == h && WIDTH(r) == w)
9041                         break;
9042
9043         if (r != NULL) {
9044                 TAILQ_REMOVE(&s->orl, r, entry);
9045                 /* try to use old region's workspace */
9046                 if (r->ws->r == NULL)
9047                         ws = r->ws;
9048         } else
9049                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
9050                         err(1, "new_region: calloc: failed to allocate memory "
9051                             "for screen");
9052
9053         /* if we don't have a workspace already, find one */
9054         if (ws == NULL) {
9055                 for (i = 0; i < workspace_limit; i++)
9056                         if (s->ws[i].r == NULL) {
9057                                 ws = &s->ws[i];
9058                                 break;
9059                         }
9060         }
9061
9062         if (ws == NULL)
9063                 errx(1, "new_region: no free workspaces");
9064
9065         X(r) = x;
9066         Y(r) = y;
9067         WIDTH(r) = w;
9068         HEIGHT(r) = h;
9069         r->s = s;
9070         r->ws = ws;
9071         r->ws_prior = NULL;
9072         ws->r = r;
9073         outputs++;
9074         TAILQ_INSERT_TAIL(&s->rl, r, entry);
9075
9076         /* Invisible region window to detect pointer events on empty regions. */
9077         r->id = xcb_generate_id(conn);
9078         wa[0] = XCB_EVENT_MASK_POINTER_MOTION |
9079             XCB_EVENT_MASK_POINTER_MOTION_HINT;
9080
9081         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->id, r->s->root,
9082             X(r), Y(r), WIDTH(r), HEIGHT(r), 0, XCB_WINDOW_CLASS_INPUT_ONLY,
9083             XCB_COPY_FROM_PARENT, XCB_CW_EVENT_MASK, wa);
9084
9085         xcb_map_window(conn, r->id);
9086 }
9087
9088 void
9089 scan_xrandr(int i)
9090 {
9091 #ifdef SWM_XRR_HAS_CRTC
9092         int                                             c;
9093         int                                             ncrtc = 0;
9094 #endif /* SWM_XRR_HAS_CRTC */
9095         struct swm_region                               *r;
9096         struct ws_win                                   *win;
9097         int                                             num_screens;
9098         xcb_randr_get_screen_resources_current_cookie_t src;
9099         xcb_randr_get_screen_resources_current_reply_t  *srr;
9100         xcb_randr_get_crtc_info_cookie_t                cic;
9101         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
9102         xcb_randr_crtc_t                                *crtc;
9103         xcb_screen_t                                    *screen;
9104
9105         DNPRINTF(SWM_D_MISC, "scan_xrandr: screen: %d\n", i);
9106
9107         if ((screen = get_screen(i)) == NULL)
9108                 errx(1, "ERROR: can't get screen %d.", i);
9109
9110         num_screens = get_screen_count();
9111         if (i >= num_screens)
9112                 errx(1, "scan_xrandr: invalid screen");
9113
9114         /* remove any old regions */
9115         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
9116                 r->ws->old_r = r->ws->r = NULL;
9117                 bar_cleanup(r);
9118                 xcb_destroy_window(conn, r->id);
9119                 TAILQ_REMOVE(&screens[i].rl, r, entry);
9120                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
9121         }
9122         outputs = 0;
9123
9124         /* map virtual screens onto physical screens */
9125 #ifdef SWM_XRR_HAS_CRTC
9126         if (xrandr_support) {
9127                 src = xcb_randr_get_screen_resources_current(conn,
9128                     screens[i].root);
9129                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
9130                     NULL);
9131                 if (srr == NULL) {
9132                         new_region(&screens[i], 0, 0,
9133                             screen->width_in_pixels,
9134                             screen->height_in_pixels);
9135                         goto out;
9136                 } else
9137                         ncrtc = srr->num_crtcs;
9138
9139                 crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
9140                 for (c = 0; c < ncrtc; c++) {
9141                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
9142                             XCB_CURRENT_TIME);
9143                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
9144                         if (cir == NULL)
9145                                 continue;
9146                         if (cir->num_outputs == 0) {
9147                                 free(cir);
9148                                 continue;
9149                         }
9150
9151                         if (cir->mode == 0)
9152                                 new_region(&screens[i], 0, 0,
9153                                     screen->width_in_pixels,
9154                                     screen->height_in_pixels);
9155                         else
9156                                 new_region(&screens[i],
9157                                     cir->x, cir->y, cir->width, cir->height);
9158                         free(cir);
9159                 }
9160                 free(srr);
9161         }
9162 #endif /* SWM_XRR_HAS_CRTC */
9163
9164         /* If detection failed, create a single region that spans the screen. */
9165         if (TAILQ_EMPTY(&screens[i].rl))
9166                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
9167                     screen->height_in_pixels);
9168
9169 out:
9170         /* Cleanup unused previously visible workspaces. */
9171         TAILQ_FOREACH(r, &screens[i].orl, entry) {
9172                 TAILQ_FOREACH(win, &r->ws->winlist, entry)
9173                         unmap_window(win);
9174
9175                 /* The screen shouldn't focus on an unused region. */
9176                 if (screens[i].r_focus == r)
9177                         screens[i].r_focus = NULL;
9178         }
9179
9180         DNPRINTF(SWM_D_MISC, "scan_xrandr: done.\n");
9181 }
9182
9183 void
9184 screenchange(xcb_randr_screen_change_notify_event_t *e)
9185 {
9186         struct swm_region               *r;
9187         int                             i, num_screens;
9188
9189         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
9190
9191         num_screens = get_screen_count();
9192         /* silly event doesn't include the screen index */
9193         for (i = 0; i < num_screens; i++)
9194                 if (screens[i].root == e->root)
9195                         break;
9196         if (i >= num_screens)
9197                 errx(1, "screenchange: screen not found");
9198
9199         /* brute force for now, just re-enumerate the regions */
9200         scan_xrandr(i);
9201
9202 #ifdef SWM_DEBUG
9203         print_win_geom(e->root);
9204 #endif
9205         /* add bars to all regions */
9206         for (i = 0; i < num_screens; i++) {
9207                 TAILQ_FOREACH(r, &screens[i].rl, entry)
9208                         bar_setup(r);
9209         }
9210
9211         stack();
9212
9213         /* Make sure a region has focus on each screen. */
9214         for (i = 0; i < num_screens; i++) {
9215                 if (screens[i].r_focus == NULL) {
9216                         r = TAILQ_FIRST(&screens[i].rl);
9217                         if (r != NULL)
9218                                 focus_region(r);
9219                 }
9220         }
9221
9222         bar_draw();
9223         focus_flush();
9224 }
9225
9226 void
9227 grab_windows(void)
9228 {
9229         struct swm_region       *r = NULL;
9230         xcb_window_t            *wins = NULL, trans;
9231         int                     no;
9232         int                     i, j, num_screens;
9233         uint16_t                state, manage, mapped;
9234
9235         xcb_query_tree_cookie_t                 qtc;
9236         xcb_query_tree_reply_t                  *qtr;
9237         xcb_get_window_attributes_cookie_t      gac;
9238         xcb_get_window_attributes_reply_t       *gar;
9239         xcb_get_property_cookie_t               pc;
9240
9241         DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
9242         num_screens = get_screen_count();
9243         for (i = 0; i < num_screens; i++) {
9244                 qtc = xcb_query_tree(conn, screens[i].root);
9245                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
9246                 if (!qtr)
9247                         continue;
9248                 wins = xcb_query_tree_children(qtr);
9249                 no = xcb_query_tree_children_length(qtr);
9250                 /* attach windows to a region */
9251                 /* normal windows */
9252                 DNPRINTF(SWM_D_INIT, "grab_windows: grab top level windows.\n");
9253                 for (j = 0; j < no; j++) {
9254                         TAILQ_FOREACH(r, &screens[i].rl, entry) {
9255                                 if (r->id == wins[j]) {
9256                                         DNPRINTF(SWM_D_INIT, "grab_windows: "
9257                                             "skip %#x; region input window.\n",
9258                                             wins[j]);
9259                                         break;
9260                                 }
9261                         }
9262
9263                         if (r)
9264                                 continue;
9265
9266                         gac = xcb_get_window_attributes(conn, wins[j]);
9267                         gar = xcb_get_window_attributes_reply(conn, gac, NULL);
9268                         if (!gar) {
9269                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9270                                     "doesn't exist.\n", wins[j]);
9271                                 continue;
9272                         }
9273
9274                         if (gar->override_redirect) {
9275                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9276                                     "override_redirect set.\n", wins[j]);
9277                                 free(gar);
9278                                 continue;
9279                         }
9280
9281                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
9282                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
9283                             &trans, NULL)) {
9284                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9285                                     "is transient for %#x.\n", wins[j], trans);
9286                                 free(gar);
9287                                 continue;
9288                         }
9289
9290                         state = getstate(wins[j]);
9291                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
9292                         mapped = gar->map_state != XCB_MAP_STATE_UNMAPPED;
9293                         if (mapped || manage)
9294                                 manage_window(wins[j], mapped);
9295                         free(gar);
9296                 }
9297                 /* transient windows */
9298                 DNPRINTF(SWM_D_INIT, "grab_windows: grab transient windows.\n");
9299                 for (j = 0; j < no; j++) {
9300                         gac = xcb_get_window_attributes(conn, wins[j]);
9301                         gar = xcb_get_window_attributes_reply(conn, gac, NULL);
9302                         if (!gar) {
9303                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9304                                     "doesn't exist.\n", wins[j]);
9305                                 continue;
9306                         }
9307
9308                         if (gar->override_redirect) {
9309                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9310                                     "override_redirect set.\n", wins[j]);
9311                                 free(gar);
9312                                 continue;
9313                         }
9314
9315                         state = getstate(wins[j]);
9316                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
9317                         mapped = gar->map_state != XCB_MAP_STATE_UNMAPPED;
9318                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
9319                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
9320                             &trans, NULL) && manage)
9321                                 manage_window(wins[j], mapped);
9322                         free(gar);
9323                 }
9324                 free(qtr);
9325         }
9326         DNPRINTF(SWM_D_INIT, "grab_windows: done.\n");
9327 }
9328
9329 void
9330 setup_screens(void)
9331 {
9332         int                     i, j, k, num_screens;
9333         struct workspace        *ws;
9334         uint32_t                gcv[1], wa[1];
9335         const xcb_query_extension_reply_t *qep;
9336         xcb_screen_t                            *screen;
9337         xcb_randr_query_version_cookie_t        c;
9338         xcb_randr_query_version_reply_t         *r;
9339
9340         num_screens = get_screen_count();
9341         if ((screens = calloc(num_screens,
9342              sizeof(struct swm_screen))) == NULL)
9343                 err(1, "setup_screens: calloc: failed to allocate memory for "
9344                     "screens");
9345
9346         /* initial Xrandr setup */
9347         xrandr_support = 0;
9348         qep = xcb_get_extension_data(conn, &xcb_randr_id);
9349         if (qep->present) {
9350                 c = xcb_randr_query_version(conn, 1, 1);
9351                 r = xcb_randr_query_version_reply(conn, c, NULL);
9352                 if (r) {
9353                         if (r->major_version >= 1) {
9354                                 xrandr_support = 1;
9355                                 xrandr_eventbase = qep->first_event;
9356                         }
9357                         free(r);
9358                 }
9359         }
9360
9361         wa[0] = cursors[XC_LEFT_PTR].cid;
9362
9363         /* map physical screens */
9364         for (i = 0; i < num_screens; i++) {
9365                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
9366                 screens[i].idx = i;
9367                 screens[i].r_focus = NULL;
9368
9369                 TAILQ_INIT(&screens[i].rl);
9370                 TAILQ_INIT(&screens[i].orl);
9371                 if ((screen = get_screen(i)) == NULL)
9372                         errx(1, "ERROR: can't get screen %d.", i);
9373                 screens[i].root = screen->root;
9374
9375                 /* set default colors */
9376                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
9377                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
9378                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
9379                 setscreencolor("rgb:00/40/40", i + 1,
9380                     SWM_S_COLOR_BAR_BORDER_UNFOCUS);
9381                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
9382                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
9383
9384                 /* create graphics context on screen */
9385                 screens[i].bar_gc = xcb_generate_id(conn);
9386                 gcv[0] = 0;
9387                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
9388                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
9389
9390                 /* set default cursor */
9391                 xcb_change_window_attributes(conn, screens[i].root,
9392                     XCB_CW_CURSOR, wa);
9393
9394                 /* init all workspaces */
9395                 /* XXX these should be dynamically allocated too */
9396                 for (j = 0; j < SWM_WS_MAX; j++) {
9397                         ws = &screens[i].ws[j];
9398                         ws->idx = j;
9399                         ws->name = NULL;
9400                         ws->bar_enabled = 1;
9401                         ws->focus = NULL;
9402                         ws->focus_prev = NULL;
9403                         ws->focus_pending = NULL;
9404                         ws->r = NULL;
9405                         ws->old_r = NULL;
9406                         TAILQ_INIT(&ws->winlist);
9407                         TAILQ_INIT(&ws->unmanagedlist);
9408
9409                         for (k = 0; layouts[k].l_stack != NULL; k++)
9410                                 if (layouts[k].l_config != NULL)
9411                                         layouts[k].l_config(ws,
9412                                             SWM_ARG_ID_STACKINIT);
9413                         ws->cur_layout = &layouts[0];
9414                         ws->cur_layout->l_string(ws);
9415                 }
9416
9417                 scan_xrandr(i);
9418
9419                 if (xrandr_support)
9420                         xcb_randr_select_input(conn, screens[i].root,
9421                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
9422         }
9423 }
9424
9425 void
9426 setup_globals(void)
9427 {
9428         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
9429                 err(1, "setup_globals: strdup: failed to allocate memory.");
9430
9431         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
9432                 err(1, "setup_globals: strdup: failed to allocate memory.");
9433
9434         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
9435                 errx(1, "unable to allocate key symbols");
9436
9437         a_state = get_atom_from_string("WM_STATE");
9438         a_prot = get_atom_from_string("WM_PROTOCOLS");
9439         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
9440         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
9441         a_wmname = get_atom_from_string("WM_NAME");
9442         a_netwmname = get_atom_from_string("_NET_WM_NAME");
9443         a_utf8_string = get_atom_from_string("UTF8_STRING");
9444         a_string = get_atom_from_string("STRING");
9445         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
9446         a_swm_ws = get_atom_from_string("_SWM_WS");
9447 }
9448
9449 void
9450 workaround(void)
9451 {
9452         int                     i, num_screens;
9453         xcb_atom_t              netwmcheck;
9454         xcb_window_t            root, win;
9455
9456         /* work around sun jdk bugs, code from wmname */
9457         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
9458
9459         num_screens = get_screen_count();
9460         for (i = 0; i < num_screens; i++) {
9461                 root = screens[i].root;
9462
9463                 win = xcb_generate_id(conn);
9464                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, root,
9465                     0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
9466                     XCB_COPY_FROM_PARENT, 0, NULL);
9467
9468                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
9469                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
9470                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
9471                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
9472                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
9473                     a_netwmname, a_utf8_string, 8, strlen("LG3D"), "LG3D");
9474         }
9475 }
9476
9477 void
9478 shutdown_cleanup(void)
9479 {
9480         int i, num_screens;
9481
9482         /* disable alarm because the following code may not be interrupted */
9483         alarm(0);
9484         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
9485                 err(1, "can't disable alarm");
9486
9487         bar_extra_stop();
9488         unmap_all();
9489
9490         cursors_cleanup();
9491
9492         teardown_ewmh();
9493
9494         num_screens = get_screen_count();
9495         for (i = 0; i < num_screens; ++i) {
9496                 if (screens[i].bar_gc != 0)
9497                         xcb_free_gc(conn, screens[i].bar_gc);
9498                 if (!bar_font_legacy)
9499                         XftColorFree(display, DefaultVisual(display, i),
9500                             DefaultColormap(display, i), &bar_font_color);
9501         }
9502
9503         if (bar_font_legacy)
9504                 XFreeFontSet(display, bar_fs);
9505         else {
9506                 XftFontClose(display, bar_font);
9507         }
9508
9509         xcb_key_symbols_free(syms);
9510         xcb_flush(conn);
9511         xcb_disconnect(conn);
9512 }
9513
9514 void
9515 event_error(xcb_generic_error_t *e)
9516 {
9517         (void)e;
9518
9519         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
9520             "resource_id: %u, minor_code: %u\n",
9521             xcb_event_get_error_label(e->error_code), e->error_code,
9522             xcb_event_get_request_label(e->major_code), e->major_code,
9523             e->sequence, e->resource_id, e->minor_code);
9524 }
9525
9526 void
9527 event_handle(xcb_generic_event_t *evt)
9528 {
9529         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
9530
9531         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d), seq %u\n",
9532             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
9533             XCB_EVENT_RESPONSE_TYPE(evt), evt->sequence);
9534
9535         switch (type) {
9536 #define EVENT(type, callback) case type: callback((void *)evt); return
9537         EVENT(0, event_error);
9538         EVENT(XCB_BUTTON_PRESS, buttonpress);
9539         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
9540         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
9541         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
9542         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
9543         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
9544         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
9545         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
9546         /*EVENT(XCB_CREATE_NOTIFY, );*/
9547         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
9548         EVENT(XCB_ENTER_NOTIFY, enternotify);
9549         EVENT(XCB_EXPOSE, expose);
9550 #ifdef SWM_DEBUG
9551         EVENT(XCB_FOCUS_IN, focusin);
9552         EVENT(XCB_FOCUS_OUT, focusout);
9553 #endif
9554         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
9555         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
9556         EVENT(XCB_KEY_PRESS, keypress);
9557         /*EVENT(XCB_KEY_RELEASE, keypress);*/
9558         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
9559 #ifdef SWM_DEBUG
9560         EVENT(XCB_LEAVE_NOTIFY, leavenotify);
9561 #endif
9562         EVENT(XCB_MAP_NOTIFY, mapnotify);
9563         EVENT(XCB_MAP_REQUEST, maprequest);
9564         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
9565         EVENT(XCB_MOTION_NOTIFY, motionnotify);
9566         /*EVENT(XCB_NO_EXPOSURE, );*/
9567         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
9568         /*EVENT(XCB_REPARENT_NOTIFY, );*/
9569         /*EVENT(XCB_RESIZE_REQUEST, );*/
9570         /*EVENT(XCB_SELECTION_CLEAR, );*/
9571         /*EVENT(XCB_SELECTION_NOTIFY, );*/
9572         /*EVENT(XCB_SELECTION_REQUEST, );*/
9573         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
9574         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
9575 #undef EVENT
9576         }
9577         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
9578                 screenchange((void *)evt);
9579 }
9580
9581 int
9582 main(int argc, char *argv[])
9583 {
9584         struct swm_region       *r;
9585         char                    conf[PATH_MAX], *cfile = NULL;
9586         struct stat             sb;
9587         int                     xfd, i, num_screens, startup = 1;
9588         struct sigaction        sact;
9589         xcb_generic_event_t     *evt;
9590         struct timeval          tv;
9591         fd_set                  rd;
9592         int                     rd_max;
9593         int                     stdin_ready = 0;
9594         int                     num_readable;
9595
9596         /* suppress unused warning since var is needed */
9597         (void)argc;
9598
9599         time_started = time(NULL);
9600
9601         start_argv = argv;
9602         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
9603         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
9604                 warnx("no locale support");
9605
9606         /* handle some signals */
9607         bzero(&sact, sizeof(sact));
9608         sigemptyset(&sact.sa_mask);
9609         sact.sa_flags = 0;
9610         sact.sa_handler = sighdlr;
9611         sigaction(SIGINT, &sact, NULL);
9612         sigaction(SIGQUIT, &sact, NULL);
9613         sigaction(SIGTERM, &sact, NULL);
9614         sigaction(SIGHUP, &sact, NULL);
9615
9616         sact.sa_handler = sighdlr;
9617         sact.sa_flags = SA_NOCLDSTOP;
9618         sigaction(SIGCHLD, &sact, NULL);
9619
9620         if (!(display = XOpenDisplay(0)))
9621                 errx(1, "can not open display");
9622
9623         conn = XGetXCBConnection(display);
9624         if (xcb_connection_has_error(conn))
9625                 errx(1, "can not get XCB connection");
9626
9627         XSetEventQueueOwner(display, XCBOwnsEventQueue);
9628
9629         xcb_prefetch_extension_data(conn, &xcb_randr_id);
9630         xfd = xcb_get_file_descriptor(conn);
9631
9632         /* look for local and global conf file */
9633         pwd = getpwuid(getuid());
9634         if (pwd == NULL)
9635                 errx(1, "invalid user: %d", getuid());
9636
9637         xcb_grab_server(conn);
9638         xcb_aux_sync(conn);
9639
9640         /* flush all events */
9641         while ((evt = xcb_poll_for_event(conn))) {
9642                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
9643                         event_handle(evt);
9644                 free(evt);
9645         }
9646
9647         if (enable_wm() != 0)
9648                 errx(1, "another window manager is currently running");
9649
9650         /* Load Xcursors and/or cursorfont glyph cursors. */
9651         cursors_load();
9652
9653         xcb_aux_sync(conn);
9654
9655         setup_globals();
9656         setup_screens();
9657         setup_keys();
9658         setup_quirks();
9659         setup_spawn();
9660
9661         /* load config */
9662         for (i = 0; ; i++) {
9663                 conf[0] = '\0';
9664                 switch (i) {
9665                 case 0:
9666                         /* ~ */
9667                         snprintf(conf, sizeof conf, "%s/.%s",
9668                             pwd->pw_dir, SWM_CONF_FILE);
9669                         break;
9670                 case 1:
9671                         /* global */
9672                         snprintf(conf, sizeof conf, "/etc/%s",
9673                             SWM_CONF_FILE);
9674                         break;
9675                 case 2:
9676                         /* ~ compat */
9677                         snprintf(conf, sizeof conf, "%s/.%s",
9678                             pwd->pw_dir, SWM_CONF_FILE_OLD);
9679                         break;
9680                 case 3:
9681                         /* global compat */
9682                         snprintf(conf, sizeof conf, "/etc/%s",
9683                             SWM_CONF_FILE_OLD);
9684                         break;
9685                 default:
9686                         goto noconfig;
9687                 }
9688
9689                 if (strlen(conf) && stat(conf, &sb) != -1)
9690                         if (S_ISREG(sb.st_mode)) {
9691                                 cfile = conf;
9692                                 break;
9693                         }
9694         }
9695 noconfig:
9696
9697         /* load conf (if any) */
9698         if (cfile)
9699                 conf_load(cfile, SWM_CONF_DEFAULT);
9700
9701         validate_spawns();
9702
9703         setup_ewmh();
9704         /* set some values to work around bad programs */
9705         workaround();
9706         /* grab existing windows (before we build the bars) */
9707         grab_windows();
9708
9709         if (getenv("SWM_STARTED") == NULL)
9710                 setenv("SWM_STARTED", "YES", 1);
9711
9712         /* setup all bars */
9713         num_screens = get_screen_count();
9714         for (i = 0; i < num_screens; i++)
9715                 TAILQ_FOREACH(r, &screens[i].rl, entry)
9716                         bar_setup(r);
9717
9718         grabkeys();
9719         stack();
9720         bar_draw();
9721
9722         xcb_ungrab_server(conn);
9723         xcb_flush(conn);
9724
9725         rd_max = xfd > STDIN_FILENO ? xfd : STDIN_FILENO;
9726
9727         while (running) {
9728                 while ((evt = xcb_poll_for_event(conn))) {
9729                         if (!running)
9730                                 goto done;
9731                         event_handle(evt);
9732                         free(evt);
9733                 }
9734
9735                 /* If just (re)started, set default focus if needed. */
9736                 if (startup) {
9737                         startup = 0;
9738
9739                         if (focus_mode != SWM_FOCUS_FOLLOW) {
9740                                 r = TAILQ_FIRST(&screens[0].rl);
9741                                 if (r) {
9742                                         focus_region(r);
9743                                         focus_flush();
9744                                 }
9745                                 continue;
9746                         }
9747                 }
9748
9749                 FD_ZERO(&rd);
9750
9751                 if (bar_extra)
9752                         FD_SET(STDIN_FILENO, &rd);
9753
9754                 FD_SET(xfd, &rd);
9755                 tv.tv_sec = 1;
9756                 tv.tv_usec = 0;
9757                 num_readable = select(rd_max + 1, &rd, NULL, NULL, &tv);
9758                 if (num_readable == -1 && errno != EINTR) {
9759                         DNPRINTF(SWM_D_MISC, "select failed");
9760                 } else if (num_readable > 0 && FD_ISSET(STDIN_FILENO, &rd)) {
9761                         stdin_ready = 1;
9762                 }
9763
9764                 if (restart_wm)
9765                         restart(NULL, NULL);
9766
9767                 if (search_resp)
9768                         search_do_resp();
9769
9770                 if (!running)
9771                         goto done;
9772
9773                 if (stdin_ready) {
9774                         stdin_ready = 0;
9775                         bar_extra_update();
9776                 }
9777
9778                 bar_draw();
9779                 xcb_flush(conn);
9780         }
9781 done:
9782         shutdown_cleanup();
9783
9784         return (0);
9785 }