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