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