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 += colno;
4263                         hrh = r_g.h / colno;
4264                         extra = r_g.h - (colno * hrh);
4265
4266                         if (!flip)
4267                                 win_g.x += win_g.w + 2 * border_width +
4268                                     tile_gap;
4269
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
4277                         if (flip)
4278                                 win_g.x -= win_g.w + 2 * border_width +
4279                                     tile_gap;
4280                         s--;
4281                         j = 0;
4282                 }
4283
4284                 win_g.h = hrh - 2 * border_width - tile_gap;
4285
4286                 if (rot) {
4287                         h_inc = win->sh.width_inc;
4288                         h_base = win->sh.base_width;
4289                 } else {
4290                         h_inc = win->sh.height_inc;
4291                         h_base = win->sh.base_height;
4292                 }
4293
4294                 if (j == colno - 1) {
4295                         win_g.h = hrh + extra;
4296                 } else if (h_inc > 1 && h_inc < h_slice) {
4297                         /* adjust for window's requested size increment */
4298                         remain = (win_g.h - h_base) % h_inc;
4299                         missing = h_inc - remain;
4300
4301                         if (missing <= extra || j == 0) {
4302                                 extra -= missing;
4303                                 win_g.h += missing;
4304                         } else {
4305                                 win_g.h -= remain;
4306                                 extra += remain;
4307                         }
4308                 }
4309
4310                 if (j == 0)
4311                         win_g.y = r_g.y;
4312                 else
4313                         win_g.y += last_h + 2 * border_width + tile_gap;
4314
4315                 if (disable_border && !(bar_enabled && ws->bar_enabled) &&
4316                     winno == 1){
4317                         bordered = 0;
4318                         win_g.w += 2 * border_width;
4319                         win_g.h += 2 * border_width;
4320                 } else {
4321                         bordered = 1;
4322                 }
4323
4324                 if (rot) {
4325                         if (X(win) != win_g.y || Y(win) != win_g.x ||
4326                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
4327                                 reconfigure = 1;
4328                                 X(win) = win_g.y;
4329                                 Y(win) = win_g.x;
4330                                 WIDTH(win) = win_g.h;
4331                                 HEIGHT(win) = win_g.w;
4332                         }
4333                 } else {
4334                         if (X(win) != win_g.x || Y(win) != win_g.y ||
4335                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
4336                                 reconfigure = 1;
4337                                 X(win) = win_g.x;
4338                                 Y(win) = win_g.y;
4339                                 WIDTH(win) = win_g.w;
4340                                 HEIGHT(win) = win_g.h;
4341                         }
4342                 }
4343
4344                 if (bordered != win->bordered) {
4345                         reconfigure = 1;
4346                         win->bordered = bordered;
4347                 }
4348
4349                 if (reconfigure) {
4350                         adjust_font(win);
4351                         update_window(win);
4352                 }
4353
4354                 map_window(win);
4355
4356                 last_h = win_g.h;
4357                 i++;
4358                 j++;
4359         }
4360
4361 notiles:
4362         /* now, stack all the floaters and transients */
4363         TAILQ_FOREACH(win, &ws->winlist, entry) {
4364                 if (!win->transient && !win->floating)
4365                         continue;
4366                 if (win->iconic)
4367                         continue;
4368                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4369                         fs_win = win;
4370                         continue;
4371                 }
4372
4373                 stack_floater(win, ws->r);
4374                 map_window(win);
4375         }
4376
4377         /* Make sure fs_win is stacked last so it's on top. */
4378         if (fs_win) {
4379                 stack_floater(fs_win, ws->r);
4380                 map_window(fs_win);
4381         }
4382 }
4383
4384 void
4385 vertical_config(struct workspace *ws, int id)
4386 {
4387         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
4388             id, ws->idx);
4389
4390         switch (id) {
4391         case SWM_ARG_ID_STACKRESET:
4392         case SWM_ARG_ID_STACKINIT:
4393                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
4394                 ws->l_state.vertical_mwin = 1;
4395                 ws->l_state.vertical_stacks = 1;
4396                 break;
4397         case SWM_ARG_ID_MASTERSHRINK:
4398                 if (ws->l_state.vertical_msize > 1)
4399                         ws->l_state.vertical_msize--;
4400                 break;
4401         case SWM_ARG_ID_MASTERGROW:
4402                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
4403                         ws->l_state.vertical_msize++;
4404                 break;
4405         case SWM_ARG_ID_MASTERADD:
4406                 ws->l_state.vertical_mwin++;
4407                 break;
4408         case SWM_ARG_ID_MASTERDEL:
4409                 if (ws->l_state.vertical_mwin > 0)
4410                         ws->l_state.vertical_mwin--;
4411                 break;
4412         case SWM_ARG_ID_STACKINC:
4413                 ws->l_state.vertical_stacks++;
4414                 break;
4415         case SWM_ARG_ID_STACKDEC:
4416                 if (ws->l_state.vertical_stacks > 1)
4417                         ws->l_state.vertical_stacks--;
4418                 break;
4419         case SWM_ARG_ID_FLIPLAYOUT:
4420                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
4421                 break;
4422         default:
4423                 return;
4424         }
4425 }
4426
4427 void
4428 vertical_stack(struct workspace *ws, struct swm_geometry *g)
4429 {
4430         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
4431
4432         stack_master(ws, g, 0, ws->l_state.vertical_flip);
4433 }
4434
4435 void
4436 horizontal_config(struct workspace *ws, int id)
4437 {
4438         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
4439
4440         switch (id) {
4441         case SWM_ARG_ID_STACKRESET:
4442         case SWM_ARG_ID_STACKINIT:
4443                 ws->l_state.horizontal_mwin = 1;
4444                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
4445                 ws->l_state.horizontal_stacks = 1;
4446                 break;
4447         case SWM_ARG_ID_MASTERSHRINK:
4448                 if (ws->l_state.horizontal_msize > 1)
4449                         ws->l_state.horizontal_msize--;
4450                 break;
4451         case SWM_ARG_ID_MASTERGROW:
4452                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
4453                         ws->l_state.horizontal_msize++;
4454                 break;
4455         case SWM_ARG_ID_MASTERADD:
4456                 ws->l_state.horizontal_mwin++;
4457                 break;
4458         case SWM_ARG_ID_MASTERDEL:
4459                 if (ws->l_state.horizontal_mwin > 0)
4460                         ws->l_state.horizontal_mwin--;
4461                 break;
4462         case SWM_ARG_ID_STACKINC:
4463                 ws->l_state.horizontal_stacks++;
4464                 break;
4465         case SWM_ARG_ID_STACKDEC:
4466                 if (ws->l_state.horizontal_stacks > 1)
4467                         ws->l_state.horizontal_stacks--;
4468                 break;
4469         case SWM_ARG_ID_FLIPLAYOUT:
4470                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
4471                 break;
4472         default:
4473                 return;
4474         }
4475 }
4476
4477 void
4478 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
4479 {
4480         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
4481
4482         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
4483 }
4484
4485 /* fullscreen view */
4486 void
4487 max_stack(struct workspace *ws, struct swm_geometry *g)
4488 {
4489         struct swm_geometry     gg = *g;
4490         struct ws_win           *w, *win = NULL, *parent = NULL;
4491         int                     winno;
4492
4493         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
4494
4495         if (ws == NULL)
4496                 return;
4497
4498         winno = count_win(ws, 0);
4499         if (winno == 0 && count_win(ws, 1) == 0)
4500                 return;
4501
4502         /* Figure out which top level window should be visible. */
4503         if (ws->focus_pending)
4504                 win = ws->focus_pending;
4505         else if (ws->focus)
4506                 win = ws->focus;
4507         else if (ws->focus_prev)
4508                 win = ws->focus_prev;
4509         else
4510                 win = TAILQ_FIRST(&ws->winlist);
4511
4512         if (win->transient)
4513                 parent = find_window(win->transient);
4514
4515         DNPRINTF(SWM_D_STACK, "max_stack: win: 0x%x\n", win->id);
4516
4517         /* maximize all top level windows */
4518         TAILQ_FOREACH(w, &ws->winlist, entry) {
4519                 if (w->transient || w->iconic)
4520                         continue;
4521
4522                 if (!w->mapped && w != win)
4523                         map_window(w);
4524
4525                 if (w->floating && !w->floatmaxed) {
4526                         /*
4527                          * retain geometry for retrieval on exit from
4528                          * max_stack mode
4529                          */
4530                         store_float_geom(w, ws->r);
4531                         w->floatmaxed = 1;
4532                 }
4533
4534                 /* only reconfigure if necessary */
4535                 if (X(w) != gg.x || Y(w) != gg.y || WIDTH(w) != gg.w ||
4536                     HEIGHT(w) != gg.h) {
4537                         w->g = gg;
4538                         if (bar_enabled && ws->bar_enabled){
4539                                 w->bordered = 1;
4540                         } else {
4541                                 w->bordered = 0;
4542                                 WIDTH(w) += 2 * border_width;
4543                                 HEIGHT(w) += 2 * border_width;
4544                         }
4545
4546                         update_window(w);
4547                 }
4548         }
4549
4550         /* If a parent exists, map/raise it first. */
4551         if (parent) {
4552                 map_window(parent);
4553
4554                 /* Map siblings next. */
4555                 TAILQ_FOREACH(w, &ws->winlist, entry)
4556                         if (w != win && !w->iconic &&
4557                             w->transient == parent->id) {
4558                                 stack_floater(w, ws->r);
4559                                 map_window(w);
4560                         }
4561         }
4562
4563         /* Map/raise focused window. */
4564         map_window(win);
4565
4566         /* Finally, map/raise children of focus window. */
4567         TAILQ_FOREACH(w, &ws->winlist, entry)
4568                 if (w->transient == win->id && !w->iconic) {
4569                         stack_floater(w, ws->r);
4570                         map_window(w);
4571                 }
4572 }
4573
4574 void
4575 send_to_rg(struct swm_region *r, union arg *args)
4576 {
4577         int                     ridx = args->id, i, num_screens;
4578         struct swm_region       *rr = NULL;
4579         union arg               a;
4580
4581         num_screens = get_screen_count();
4582         /* do nothing if we don't have more than one screen */
4583         if (!(num_screens > 1 || outputs > 1))
4584                 return;
4585
4586         DNPRINTF(SWM_D_FOCUS, "send_to_rg: id: %d\n", ridx);
4587
4588         rr = TAILQ_FIRST(&r->s->rl);
4589         for (i = 0; i < ridx; ++i)
4590                 rr = TAILQ_NEXT(rr, entry);
4591
4592         if (rr == NULL)
4593                 return;
4594
4595         a.id = rr->ws->idx;
4596
4597         send_to_ws(r, &a);
4598 }
4599
4600 void
4601 send_to_ws(struct swm_region *r, union arg *args)
4602 {
4603         int                     wsid = args->id;
4604         struct ws_win           *win = NULL, *parent;
4605         struct workspace        *ws, *nws, *pws;
4606         char                    ws_idx_str[SWM_PROPLEN];
4607
4608         if (wsid >= workspace_limit)
4609                 return;
4610
4611         if (r && r->ws && r->ws->focus)
4612                 win = r->ws->focus;
4613         else
4614                 return;
4615
4616         if (win->ws->idx == wsid)
4617                 return;
4618
4619         DNPRINTF(SWM_D_MOVE, "send_to_ws: win 0x%x, ws %d -> %d\n", win->id,
4620             win->ws->idx, wsid);
4621
4622         ws = win->ws;
4623         nws = &win->s->ws[wsid];
4624
4625         /* Update the window's workspace property: _SWM_WS */
4626         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
4627                 if (focus_mode != SWM_FOCUS_FOLLOW)
4628                         ws->focus_pending = get_focus_prev(win);
4629
4630                 /* Move the parent if this is a transient window. */
4631                 if (win->transient) {
4632                         parent = find_window(win->transient);
4633                         if (parent) {
4634                                 pws = parent->ws;
4635                                 /* Set new focus in parent's ws if needed. */
4636                                 if (pws->focus == parent) {
4637                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4638                                                 pws->focus_pending =
4639                                                     get_focus_prev(parent);
4640
4641                                         unfocus_win(parent);
4642
4643                                         if (focus_mode != SWM_FOCUS_FOLLOW) {
4644                                                 pws->focus = pws->focus_pending;
4645                                                 pws->focus_pending = NULL;
4646                                         }
4647                                 }
4648
4649                                 /* Don't unmap parent if new ws is visible */
4650                                 if (nws->r == NULL)
4651                                         unmap_window(parent);
4652
4653                                 /* Transfer */
4654                                 TAILQ_REMOVE(&ws->winlist, parent, entry);
4655                                 TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
4656                                 parent->ws = nws;
4657
4658                                 DNPRINTF(SWM_D_PROP, "send_to_ws: set "
4659                                     "property: _SWM_WS: %s\n", ws_idx_str);
4660                                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE,
4661                                     parent->id, a_swm_ws, XCB_ATOM_STRING, 8,
4662                                     strlen(ws_idx_str), ws_idx_str);
4663                         }
4664                 }
4665
4666                 unfocus_win(win);
4667
4668                 /* Don't unmap if new ws is visible */
4669                 if (nws->r == NULL)
4670                         unmap_window(win);
4671
4672                 /* Transfer */
4673                 TAILQ_REMOVE(&ws->winlist, win, entry);
4674                 TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
4675                 win->ws = nws;
4676
4677                 /* Set focus on new ws. */
4678                 unfocus_win(nws->focus);
4679                 nws->focus = win;
4680
4681                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
4682                     ws_idx_str);
4683                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
4684                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
4685                     ws_idx_str);
4686
4687                 /* Restack and set new focus. */
4688                 stack();
4689
4690                 if (focus_mode != SWM_FOCUS_FOLLOW) {
4691                         if (ws->focus_pending) {
4692                                 focus_win(ws->focus_pending);
4693                                 ws->focus_pending = NULL;
4694                         } else {
4695                                 xcb_set_input_focus(conn,
4696                                     XCB_INPUT_FOCUS_PARENT, r->id,
4697                                     XCB_CURRENT_TIME);
4698                         }
4699                 }
4700
4701                 focus_flush();
4702         }
4703
4704         DNPRINTF(SWM_D_MOVE, "send_to_ws: done.\n");
4705 }
4706
4707 void
4708 pressbutton(struct swm_region *r, union arg *args)
4709 {
4710         /* suppress unused warning since var is needed */
4711         (void)r;
4712
4713         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
4714             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4715         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
4716             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4717 }
4718
4719 void
4720 raise_toggle(struct swm_region *r, union arg *args)
4721 {
4722         /* suppress unused warning since var is needed */
4723         (void)args;
4724
4725         if (r == NULL || r->ws == NULL)
4726                 return;
4727
4728         r->ws->always_raise = !r->ws->always_raise;
4729
4730         /* bring floaters back to top */
4731         if (!r->ws->always_raise)
4732                 stack();
4733
4734         focus_flush();
4735 }
4736
4737 void
4738 iconify(struct swm_region *r, union arg *args)
4739 {
4740         /* suppress unused warning since var is needed */
4741         (void)args;
4742
4743         if (r->ws->focus == NULL)
4744                 return;
4745
4746         set_swm_iconic(r->ws->focus, 1);
4747
4748         xcb_flush(conn);
4749 }
4750
4751 char *
4752 get_win_name(xcb_window_t win)
4753 {
4754         char                            *name = NULL;
4755         xcb_get_property_cookie_t       c;
4756         xcb_get_property_reply_t        *r;
4757
4758         /* First try _NET_WM_NAME for UTF-8. */
4759         c = xcb_get_property(conn, 0, win, a_netwmname,
4760             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4761         r = xcb_get_property_reply(conn, c, NULL);
4762
4763         if (r) {
4764                 if (r->type == XCB_NONE) {
4765                         free(r);
4766                         /* Use WM_NAME instead; no UTF-8. */
4767                         c = xcb_get_property(conn, 0, win, XCB_ATOM_WM_NAME,
4768                             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4769                         r = xcb_get_property_reply(conn, c, NULL);
4770
4771                         if (!r)
4772                                 return (NULL);
4773                         if (r->type == XCB_NONE) {
4774                                 free(r);
4775                                 return (NULL);
4776                         }
4777                 }
4778                 if (r->length > 0)
4779                         name = strndup(xcb_get_property_value(r),
4780                             xcb_get_property_value_length(r));
4781
4782                 free(r);
4783         }
4784
4785         return (name);
4786 }
4787
4788 void
4789 uniconify(struct swm_region *r, union arg *args)
4790 {
4791         struct ws_win           *win;
4792         FILE                    *lfile;
4793         char                    *name;
4794         int                     count = 0;
4795
4796         DNPRINTF(SWM_D_MISC, "uniconify\n");
4797
4798         if (r == NULL || r->ws == NULL)
4799                 return;
4800
4801         /* make sure we have anything to uniconify */
4802         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4803                 if (win->ws == NULL)
4804                         continue; /* should never happen */
4805                 if (!win->iconic)
4806                         continue;
4807                 count++;
4808         }
4809         if (count == 0)
4810                 return;
4811
4812         search_r = r;
4813         search_resp_action = SWM_SEARCH_UNICONIFY;
4814
4815         spawn_select(r, args, "search", &searchpid);
4816
4817         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4818                 return;
4819
4820         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4821                 if (win->ws == NULL)
4822                         continue; /* should never happen */
4823                 if (!win->iconic)
4824                         continue;
4825
4826                 name = get_win_name(win->id);
4827                 if (name == NULL)
4828                         continue;
4829                 fprintf(lfile, "%s.%u\n", name, win->id);
4830                 free(name);
4831         }
4832
4833         fclose(lfile);
4834 }
4835
4836 void
4837 name_workspace(struct swm_region *r, union arg *args)
4838 {
4839         FILE                    *lfile;
4840
4841         DNPRINTF(SWM_D_MISC, "name_workspace\n");
4842
4843         if (r == NULL)
4844                 return;
4845
4846         search_r = r;
4847         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
4848
4849         spawn_select(r, args, "name_workspace", &searchpid);
4850
4851         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4852                 return;
4853
4854         fprintf(lfile, "%s", "");
4855         fclose(lfile);
4856 }
4857
4858 void
4859 search_workspace(struct swm_region *r, union arg *args)
4860 {
4861         int                     i;
4862         struct workspace        *ws;
4863         FILE                    *lfile;
4864
4865         DNPRINTF(SWM_D_MISC, "search_workspace\n");
4866
4867         if (r == NULL)
4868                 return;
4869
4870         search_r = r;
4871         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
4872
4873         spawn_select(r, args, "search", &searchpid);
4874
4875         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4876                 return;
4877
4878         for (i = 0; i < workspace_limit; i++) {
4879                 ws = &r->s->ws[i];
4880                 if (ws == NULL)
4881                         continue;
4882                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
4883                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
4884         }
4885
4886         fclose(lfile);
4887 }
4888
4889 void
4890 search_win_cleanup(void)
4891 {
4892         struct search_window    *sw = NULL;
4893
4894         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
4895                 xcb_destroy_window(conn, sw->indicator);
4896                 TAILQ_REMOVE(&search_wl, sw, entry);
4897                 free(sw);
4898         }
4899 }
4900
4901 void
4902 search_win(struct swm_region *r, union arg *args)
4903 {
4904         struct ws_win           *win = NULL;
4905         struct search_window    *sw = NULL;
4906         xcb_window_t            w;
4907         uint32_t                wa[2];
4908         int                     i, width, height;
4909         char                    s[8];
4910         FILE                    *lfile;
4911         size_t                  len;
4912         XftDraw                 *draw;
4913         XGlyphInfo              info;
4914         GC                      l_draw;
4915         XGCValues               l_gcv;
4916         XRectangle              l_ibox, l_lbox;
4917
4918         DNPRINTF(SWM_D_MISC, "search_win\n");
4919
4920         search_r = r;
4921         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
4922
4923         spawn_select(r, args, "search", &searchpid);
4924
4925         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4926                 return;
4927
4928         TAILQ_INIT(&search_wl);
4929
4930         i = 1;
4931         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4932                 if (win->iconic)
4933                         continue;
4934
4935                 sw = calloc(1, sizeof(struct search_window));
4936                 if (sw == NULL) {
4937                         warn("search_win: calloc");
4938                         fclose(lfile);
4939                         search_win_cleanup();
4940                         return;
4941                 }
4942                 sw->idx = i;
4943                 sw->win = win;
4944
4945                 snprintf(s, sizeof s, "%d", i);
4946                 len = strlen(s);
4947
4948                 w = xcb_generate_id(conn);
4949                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
4950                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].pixel;
4951
4952                 if (bar_font_legacy) {
4953                         XmbTextExtents(bar_fs, s, len, &l_ibox, &l_lbox);
4954                         width = l_lbox.width + 4;
4955                         height = bar_fs_extents->max_logical_extent.height + 4;
4956                 } else {
4957                         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len,
4958                             &info);
4959                         width = info.width + 4;
4960                         height = bar_font->height + 4;
4961                 }
4962
4963                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
4964                     width, height, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
4965                     XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL |
4966                     XCB_CW_BORDER_PIXEL, wa);
4967
4968                 xcb_map_window(conn, w);
4969
4970                 sw->indicator = w;
4971                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
4972
4973                 if (bar_font_legacy) {
4974                         l_gcv.graphics_exposures = 0;
4975                         l_draw = XCreateGC(display, w, 0, &l_gcv);
4976
4977                         XSetForeground(display, l_draw,
4978                                 r->s->c[SWM_S_COLOR_BAR].pixel);
4979
4980                         DRAWSTRING(display, w, bar_fs, l_draw, 2,
4981                             (bar_fs_extents->max_logical_extent.height -
4982                             l_lbox.height) / 2 - l_lbox.y, s, len);
4983
4984                         XFreeGC(display, l_draw);
4985                 } else {
4986
4987                         draw = XftDrawCreate(display, w,
4988                             DefaultVisual(display, r->s->idx),
4989                             DefaultColormap(display, r->s->idx));
4990
4991                         XftDrawStringUtf8(draw, &bar_font_color, bar_font, 2,
4992                             (HEIGHT(r->bar) + bar_font->height) / 2 -
4993                             bar_font->descent, (FcChar8 *)s, len);
4994
4995                         XftDrawDestroy(draw);
4996                 }
4997
4998                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
4999
5000                 fprintf(lfile, "%d\n", i);
5001                 i++;
5002         }
5003
5004         fclose(lfile);
5005
5006         xcb_flush(conn);
5007 }
5008
5009 void
5010 search_resp_uniconify(const char *resp, size_t len)
5011 {
5012         char                    *name;
5013         struct ws_win           *win;
5014         char                    *s;
5015
5016         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
5017
5018         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
5019                 if (!win->iconic)
5020                         continue;
5021                 name = get_win_name(win->id);
5022                 if (name == NULL)
5023                         continue;
5024                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
5025                         free(name);
5026                         continue;
5027                 }
5028                 free(name);
5029                 if (strncmp(s, resp, len) == 0) {
5030                         /* XXX this should be a callback to generalize */
5031                         set_swm_iconic(win, 0);
5032                         free(s);
5033                         break;
5034                 }
5035                 free(s);
5036         }
5037 }
5038
5039 void
5040 search_resp_name_workspace(const char *resp, size_t len)
5041 {
5042         struct workspace        *ws;
5043
5044         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
5045
5046         if (search_r->ws == NULL)
5047                 return;
5048         ws = search_r->ws;
5049
5050         if (ws->name) {
5051                 free(search_r->ws->name);
5052                 search_r->ws->name = NULL;
5053         }
5054
5055         if (len > 1) {
5056                 ws->name = strdup(resp);
5057                 if (ws->name == NULL) {
5058                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
5059                             "strdup: %s", strerror(errno));
5060                         return;
5061                 }
5062         }
5063 }
5064
5065 void
5066 search_resp_search_workspace(const char *resp)
5067 {
5068         char                    *p, *q;
5069         int                     ws_idx;
5070         const char              *errstr;
5071         union arg               a;
5072
5073         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
5074
5075         q = strdup(resp);
5076         if (!q) {
5077                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
5078                     strerror(errno));
5079                 return;
5080         }
5081         p = strchr(q, ':');
5082         if (p != NULL)
5083                 *p = '\0';
5084         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
5085         if (errstr) {
5086                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
5087                     errstr, q);
5088                 free(q);
5089                 return;
5090         }
5091         free(q);
5092         a.id = ws_idx - 1;
5093         switchws(search_r, &a);
5094 }
5095
5096 void
5097 search_resp_search_window(const char *resp)
5098 {
5099         char                    *s;
5100         int                     idx;
5101         const char              *errstr;
5102         struct search_window    *sw;
5103
5104         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
5105
5106         s = strdup(resp);
5107         if (!s) {
5108                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
5109                     strerror(errno));
5110                 return;
5111         }
5112
5113         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
5114         if (errstr) {
5115                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
5116                     errstr, s);
5117                 free(s);
5118                 return;
5119         }
5120         free(s);
5121
5122         TAILQ_FOREACH(sw, &search_wl, entry)
5123                 if (idx == sw->idx) {
5124                         focus_win(sw->win);
5125                         break;
5126                 }
5127 }
5128
5129 #define MAX_RESP_LEN    1024
5130
5131 void
5132 search_do_resp(void)
5133 {
5134         ssize_t                 rbytes;
5135         char                    *resp;
5136         size_t                  len;
5137
5138         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
5139
5140         search_resp = 0;
5141         searchpid = 0;
5142
5143         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
5144                 warn("search: calloc");
5145                 goto done;
5146         }
5147
5148         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
5149         if (rbytes <= 0) {
5150                 warn("search: read error");
5151                 goto done;
5152         }
5153         resp[rbytes] = '\0';
5154
5155         /* XXX:
5156          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
5157          * newline, so work around that by sanitizing the resp now.
5158          */
5159         resp[strcspn(resp, "\n")] = '\0';
5160         len = strlen(resp);
5161
5162         switch (search_resp_action) {
5163         case SWM_SEARCH_UNICONIFY:
5164                 search_resp_uniconify(resp, len);
5165                 break;
5166         case SWM_SEARCH_NAME_WORKSPACE:
5167                 search_resp_name_workspace(resp, len);
5168                 break;
5169         case SWM_SEARCH_SEARCH_WORKSPACE:
5170                 search_resp_search_workspace(resp);
5171                 break;
5172         case SWM_SEARCH_SEARCH_WINDOW:
5173                 search_resp_search_window(resp);
5174                 break;
5175         }
5176
5177 done:
5178         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
5179                 search_win_cleanup();
5180
5181         search_resp_action = SWM_SEARCH_NONE;
5182         close(select_resp_pipe[0]);
5183         free(resp);
5184
5185         xcb_flush(conn);
5186 }
5187
5188 void
5189 wkill(struct swm_region *r, union arg *args)
5190 {
5191         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
5192
5193         if (r->ws->focus == NULL)
5194                 return;
5195
5196         if (args->id == SWM_ARG_ID_KILLWINDOW)
5197                 xcb_kill_client(conn, r->ws->focus->id);
5198         else
5199                 if (r->ws->focus->can_delete)
5200                         client_msg(r->ws->focus, a_delete, 0);
5201
5202         focus_flush();
5203 }
5204
5205 int
5206 floating_toggle_win(struct ws_win *win)
5207 {
5208         struct swm_region       *r;
5209
5210         if (win == NULL)
5211                 return (0);
5212
5213         if (!win->ws->r)
5214                 return (0);
5215
5216         r = win->ws->r;
5217
5218         /* reject floating toggles in max stack mode */
5219         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
5220                 return (0);
5221
5222         if (win->floating) {
5223                 if (!win->floatmaxed) {
5224                         /* retain position for refloat */
5225                         store_float_geom(win, r);
5226                 }
5227                 win->floating = 0;
5228         } else {
5229                 load_float_geom(win, r);
5230                 win->floating = 1;
5231         }
5232
5233         ewmh_update_actions(win);
5234
5235         return (1);
5236 }
5237
5238 void
5239 floating_toggle(struct swm_region *r, union arg *args)
5240 {
5241         struct ws_win           *win = r->ws->focus;
5242
5243         /* suppress unused warning since var is needed */
5244         (void)args;
5245
5246         if (win == NULL)
5247                 return;
5248
5249         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5250                 return;
5251
5252         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5253             _NET_WM_STATE_TOGGLE);
5254
5255         stack();
5256
5257         if (win == win->ws->focus)
5258                 focus_win(win);
5259
5260         focus_flush();
5261 }
5262
5263 void
5264 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
5265 {
5266         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
5267                 if (resizable)
5268                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
5269                 else
5270                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
5271         }
5272
5273         if (X(win) + BORDER(win) < X(r)) {
5274                 if (resizable)
5275                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
5276
5277                 X(win) = X(r) - BORDER(win);
5278         }
5279
5280         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
5281                 if (resizable)
5282                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
5283                 else
5284                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
5285         }
5286
5287         if (Y(win) + BORDER(win) < Y(r)) {
5288                 if (resizable)
5289                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
5290
5291                 Y(win) = Y(r) - BORDER(win);
5292         }
5293
5294         if (resizable) {
5295                 if (WIDTH(win) < 1)
5296                         WIDTH(win) = 1;
5297                 if (HEIGHT(win) < 1)
5298                         HEIGHT(win) = 1;
5299         }
5300 }
5301
5302 void
5303 update_window(struct ws_win *win)
5304 {
5305         uint16_t        mask;
5306         uint32_t        wc[5];
5307
5308         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
5309             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
5310             XCB_CONFIG_WINDOW_BORDER_WIDTH;
5311         wc[0] = X(win);
5312         wc[1] = Y(win);
5313         wc[2] = WIDTH(win);
5314         wc[3] = HEIGHT(win);
5315         wc[4] = BORDER(win);
5316
5317         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
5318             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
5319             wc[3], YESNO(win->bordered));
5320
5321         xcb_configure_window(conn, win->id, mask, wc);
5322 }
5323
5324 #define SWM_RESIZE_STEPS        (50)
5325
5326 void
5327 resize(struct ws_win *win, union arg *args)
5328 {
5329         xcb_timestamp_t         timestamp = 0;
5330         struct swm_region       *r = NULL;
5331         int                     resize_stp = 0;
5332         struct swm_geometry     g;
5333         int                     top = 0, left = 0, resizing;
5334         int                     dx, dy;
5335         xcb_cursor_t                    cursor;
5336         xcb_query_pointer_reply_t       *xpr = NULL;
5337         xcb_generic_event_t             *evt;
5338         xcb_motion_notify_event_t       *mne;
5339
5340         if (win == NULL)
5341                 return;
5342         r = win->ws->r;
5343
5344         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5345                 return;
5346
5347         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
5348             "transient: 0x%x\n", win->id, YESNO(win->floating),
5349             win->transient);
5350
5351         if (!win->transient && !win->floating)
5352                 return;
5353
5354         /* reject resizes in max mode for floaters (transient ok) */
5355         if (win->floatmaxed)
5356                 return;
5357
5358         win->manual = 1;
5359         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5360             _NET_WM_STATE_ADD);
5361
5362         stack();
5363
5364         focus_flush();
5365
5366         /* It's possible for win to have been freed during focus_flush(). */
5367         if (validate_win(win)) {
5368                 DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
5369                 goto out;
5370         }
5371
5372         switch (args->id) {
5373         case SWM_ARG_ID_WIDTHSHRINK:
5374                 WIDTH(win) -= SWM_RESIZE_STEPS;
5375                 resize_stp = 1;
5376                 break;
5377         case SWM_ARG_ID_WIDTHGROW:
5378                 WIDTH(win) += SWM_RESIZE_STEPS;
5379                 resize_stp = 1;
5380                 break;
5381         case SWM_ARG_ID_HEIGHTSHRINK:
5382                 HEIGHT(win) -= SWM_RESIZE_STEPS;
5383                 resize_stp = 1;
5384                 break;
5385         case SWM_ARG_ID_HEIGHTGROW:
5386                 HEIGHT(win) += SWM_RESIZE_STEPS;
5387                 resize_stp = 1;
5388                 break;
5389         default:
5390                 break;
5391         }
5392         if (resize_stp) {
5393                 constrain_window(win, r, 1);
5394                 update_window(win);
5395                 store_float_geom(win,r);
5396                 return;
5397         }
5398
5399         /* get cursor offset from window root */
5400         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5401             NULL);
5402         if (!xpr)
5403                 return;
5404
5405         g = win->g;
5406
5407         if (xpr->win_x < WIDTH(win) / 2)
5408                 left = 1;
5409
5410         if (xpr->win_y < HEIGHT(win) / 2)
5411                 top = 1;
5412
5413         if (args->id == SWM_ARG_ID_CENTER)
5414                 cursor = cursors[XC_SIZING].cid;
5415         else if (top)
5416                 cursor = cursors[left ? XC_TOP_LEFT_CORNER :
5417                     XC_TOP_RIGHT_CORNER].cid;
5418         else
5419                 cursor = cursors[left ? XC_BOTTOM_LEFT_CORNER :
5420                     XC_BOTTOM_RIGHT_CORNER].cid;
5421
5422         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5423             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
5424             XCB_CURRENT_TIME),
5425
5426         xcb_flush(conn);
5427         resizing = 1;
5428         while (resizing && (evt = xcb_wait_for_event(conn))) {
5429                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5430                 case XCB_BUTTON_RELEASE:
5431                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
5432                         resizing = 0;
5433                         break;
5434                 case XCB_MOTION_NOTIFY:
5435                         mne = (xcb_motion_notify_event_t *)evt;
5436                         /* cursor offset/delta from start of the operation */
5437                         dx = mne->root_x - xpr->root_x;
5438                         dy = mne->root_y - xpr->root_y;
5439
5440                         /* vertical */
5441                         if (top)
5442                                 dy = -dy;
5443
5444                         if (args->id == SWM_ARG_ID_CENTER) {
5445                                 if (g.h / 2 + dy < 1)
5446                                         dy = 1 - g.h / 2;
5447
5448                                 Y(win) = g.y - dy;
5449                                 HEIGHT(win) = g.h + 2 * dy;
5450                         } else {
5451                                 if (g.h + dy < 1)
5452                                         dy = 1 - g.h;
5453
5454                                 if (top)
5455                                         Y(win) = g.y - dy;
5456
5457                                 HEIGHT(win) = g.h + dy;
5458                         }
5459
5460                         /* horizontal */
5461                         if (left)
5462                                 dx = -dx;
5463
5464                         if (args->id == SWM_ARG_ID_CENTER) {
5465                                 if (g.w / 2 + dx < 1)
5466                                         dx = 1 - g.w / 2;
5467
5468                                 X(win) = g.x - dx;
5469                                 WIDTH(win) = g.w + 2 * dx;
5470                         } else {
5471                                 if (g.w + dx < 1)
5472                                         dx = 1 - g.w;
5473
5474                                 if (left)
5475                                         X(win) = g.x - dx;
5476
5477                                 WIDTH(win) = g.w + dx;
5478                         }
5479
5480                         constrain_window(win, r, 1);
5481
5482                         /* not free, don't sync more than 120 times / second */
5483                         if ((mne->time - timestamp) > (1000 / 120) ) {
5484                                 timestamp = mne->time;
5485                                 update_window(win);
5486                                 xcb_flush(conn);
5487                         }
5488                         break;
5489                 default:
5490                         event_handle(evt);
5491
5492                         /* It's possible for win to have been freed above. */
5493                         if (validate_win(win)) {
5494                                 DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
5495                                 goto out;
5496                         }
5497                         break;
5498                 }
5499                 free(evt);
5500         }
5501         if (timestamp) {
5502                 update_window(win);
5503                 xcb_flush(conn);
5504         }
5505         store_float_geom(win,r);
5506 out:
5507         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5508         free(xpr);
5509         DNPRINTF(SWM_D_EVENT, "resize: done.\n");
5510 }
5511
5512 void
5513 resize_step(struct swm_region *r, union arg *args)
5514 {
5515         struct ws_win           *win = NULL;
5516
5517         if (r && r->ws && r->ws->focus)
5518                 win = r->ws->focus;
5519         else
5520                 return;
5521
5522         resize(win, args);
5523         focus_flush();
5524 }
5525
5526 #define SWM_MOVE_STEPS  (50)
5527
5528 void
5529 move(struct ws_win *win, union arg *args)
5530 {
5531         xcb_timestamp_t         timestamp = 0;
5532         int                     move_stp = 0, moving;
5533         struct swm_region       *r = NULL;
5534         xcb_query_pointer_reply_t       *qpr = NULL;
5535         xcb_generic_event_t             *evt;
5536         xcb_motion_notify_event_t       *mne;
5537
5538         if (win == NULL)
5539                 return;
5540         r = win->ws->r;
5541
5542         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5543                 return;
5544
5545         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
5546             "0x%x\n", win->id, YESNO(win->floating), win->transient);
5547
5548         /* in max_stack mode should only move transients */
5549         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
5550                 return;
5551
5552         win->manual = 1;
5553         if (!win->floating && !win->transient) {
5554                 store_float_geom(win, r);
5555                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5556                     _NET_WM_STATE_ADD);
5557         }
5558         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5559             _NET_WM_STATE_ADD);
5560
5561         stack();
5562
5563         focus_flush();
5564
5565         /* It's possible for win to have been freed during focus_flush(). */
5566         if (validate_win(win)) {
5567                 DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
5568                 goto out;
5569         }
5570
5571         move_stp = 0;
5572         switch (args->id) {
5573         case SWM_ARG_ID_MOVELEFT:
5574                 X(win) -= (SWM_MOVE_STEPS - border_width);
5575                 move_stp = 1;
5576                 break;
5577         case SWM_ARG_ID_MOVERIGHT:
5578                 X(win) += (SWM_MOVE_STEPS - border_width);
5579                 move_stp = 1;
5580                 break;
5581         case SWM_ARG_ID_MOVEUP:
5582                 Y(win) -= (SWM_MOVE_STEPS - border_width);
5583                 move_stp = 1;
5584                 break;
5585         case SWM_ARG_ID_MOVEDOWN:
5586                 Y(win) += (SWM_MOVE_STEPS - border_width);
5587                 move_stp = 1;
5588                 break;
5589         default:
5590                 break;
5591         }
5592         if (move_stp) {
5593                 constrain_window(win, r, 0);
5594                 update_window(win);
5595                 store_float_geom(win, r);
5596                 return;
5597         }
5598
5599         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5600             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
5601             XCB_WINDOW_NONE, cursors[XC_FLEUR].cid, XCB_CURRENT_TIME);
5602
5603         /* get cursor offset from window root */
5604         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5605                 NULL);
5606         if (!qpr) {
5607                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5608                 return;
5609         }
5610
5611         xcb_flush(conn);
5612         moving = 1;
5613         while (moving && (evt = xcb_wait_for_event(conn))) {
5614                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5615                 case XCB_BUTTON_RELEASE:
5616                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
5617                         moving = 0;
5618                         break;
5619                 case XCB_MOTION_NOTIFY:
5620                         mne = (xcb_motion_notify_event_t *)evt;
5621                         X(win) = mne->root_x - qpr->win_x - border_width;
5622                         Y(win) = mne->root_y - qpr->win_y - border_width;
5623
5624                         constrain_window(win, r, 0);
5625
5626                         /* not free, don't sync more than 120 times / second */
5627                         if ((mne->time - timestamp) > (1000 / 120) ) {
5628                                 timestamp = mne->time;
5629                                 update_window(win);
5630                                 xcb_flush(conn);
5631                         }
5632                         break;
5633                 default:
5634                         event_handle(evt);
5635
5636                         /* It's possible for win to have been freed above. */
5637                         if (validate_win(win)) {
5638                                 DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
5639                                 goto out;
5640                         }
5641                         break;
5642                 }
5643                 free(evt);
5644         }
5645         if (timestamp) {
5646                 update_window(win);
5647                 xcb_flush(conn);
5648         }
5649         store_float_geom(win, r);
5650 out:
5651         free(qpr);
5652         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5653         DNPRINTF(SWM_D_EVENT, "move: done.\n");
5654 }
5655
5656 void
5657 move_step(struct swm_region *r, union arg *args)
5658 {
5659         struct ws_win           *win = NULL;
5660
5661         if (r && r->ws && r->ws->focus)
5662                 win = r->ws->focus;
5663         else
5664                 return;
5665
5666         if (!win->transient && !win->floating)
5667                 return;
5668
5669         move(win, args);
5670         focus_flush();
5671 }
5672
5673 /* key definitions */
5674 struct keyfunc {
5675         char                    name[SWM_FUNCNAME_LEN];
5676         void                    (*func)(struct swm_region *r, union arg *);
5677         union arg               args;
5678 } keyfuncs[KF_INVALID + 1] = {
5679         /* name                 function        argument */
5680         { "bar_toggle",         bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE} },
5681         { "bar_toggle_ws",      bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE_WS} },
5682         { "button2",            pressbutton,    {2} },
5683         { "cycle_layout",       cycle_layout,   {0} },
5684         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
5685         { "float_toggle",       floating_toggle,{0} },
5686         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
5687         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
5688         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
5689         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
5690         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
5691         { "iconify",            iconify,        {0} },
5692         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
5693         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
5694         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
5695         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
5696         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
5697         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
5698         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
5699         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
5700         { "mvrg_1",             send_to_rg,     {.id = 0} },
5701         { "mvrg_2",             send_to_rg,     {.id = 1} },
5702         { "mvrg_3",             send_to_rg,     {.id = 2} },
5703         { "mvrg_4",             send_to_rg,     {.id = 3} },
5704         { "mvrg_5",             send_to_rg,     {.id = 4} },
5705         { "mvrg_6",             send_to_rg,     {.id = 5} },
5706         { "mvrg_7",             send_to_rg,     {.id = 6} },
5707         { "mvrg_8",             send_to_rg,     {.id = 7} },
5708         { "mvrg_9",             send_to_rg,     {.id = 8} },
5709         { "mvws_1",             send_to_ws,     {.id = 0} },
5710         { "mvws_2",             send_to_ws,     {.id = 1} },
5711         { "mvws_3",             send_to_ws,     {.id = 2} },
5712         { "mvws_4",             send_to_ws,     {.id = 3} },
5713         { "mvws_5",             send_to_ws,     {.id = 4} },
5714         { "mvws_6",             send_to_ws,     {.id = 5} },
5715         { "mvws_7",             send_to_ws,     {.id = 6} },
5716         { "mvws_8",             send_to_ws,     {.id = 7} },
5717         { "mvws_9",             send_to_ws,     {.id = 8} },
5718         { "mvws_10",            send_to_ws,     {.id = 9} },
5719         { "mvws_11",            send_to_ws,     {.id = 10} },
5720         { "mvws_12",            send_to_ws,     {.id = 11} },
5721         { "mvws_13",            send_to_ws,     {.id = 12} },
5722         { "mvws_14",            send_to_ws,     {.id = 13} },
5723         { "mvws_15",            send_to_ws,     {.id = 14} },
5724         { "mvws_16",            send_to_ws,     {.id = 15} },
5725         { "mvws_17",            send_to_ws,     {.id = 16} },
5726         { "mvws_18",            send_to_ws,     {.id = 17} },
5727         { "mvws_19",            send_to_ws,     {.id = 18} },
5728         { "mvws_20",            send_to_ws,     {.id = 19} },
5729         { "mvws_21",            send_to_ws,     {.id = 20} },
5730         { "mvws_22",            send_to_ws,     {.id = 21} },
5731         { "name_workspace",     name_workspace, {0} },
5732         { "quit",               quit,           {0} },
5733         { "raise_toggle",       raise_toggle,   {0} },
5734         { "restart",            restart,        {0} },
5735         { "rg_1",               focusrg,        {.id = 0} },
5736         { "rg_2",               focusrg,        {.id = 1} },
5737         { "rg_3",               focusrg,        {.id = 2} },
5738         { "rg_4",               focusrg,        {.id = 3} },
5739         { "rg_5",               focusrg,        {.id = 4} },
5740         { "rg_6",               focusrg,        {.id = 5} },
5741         { "rg_7",               focusrg,        {.id = 6} },
5742         { "rg_8",               focusrg,        {.id = 7} },
5743         { "rg_9",               focusrg,        {.id = 8} },
5744         { "rg_next",            cyclerg,        {.id = SWM_ARG_ID_CYCLERG_UP} },
5745         { "rg_prev",            cyclerg,        {.id = SWM_ARG_ID_CYCLERG_DOWN} },
5746         { "screen_next",        cyclerg,        {.id = SWM_ARG_ID_CYCLERG_UP} },
5747         { "screen_prev",        cyclerg,        {.id = SWM_ARG_ID_CYCLERG_DOWN} },
5748         { "search_win",         search_win,     {0} },
5749         { "search_workspace",   search_workspace,       {0} },
5750         { "spawn_custom",       NULL,           {0} },
5751         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
5752         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
5753         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
5754         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
5755         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
5756         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
5757         { "uniconify",          uniconify,      {0} },
5758         { "version",            version,        {0} },
5759         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
5760         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
5761         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
5762         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
5763         { "ws_1",               switchws,       {.id = 0} },
5764         { "ws_2",               switchws,       {.id = 1} },
5765         { "ws_3",               switchws,       {.id = 2} },
5766         { "ws_4",               switchws,       {.id = 3} },
5767         { "ws_5",               switchws,       {.id = 4} },
5768         { "ws_6",               switchws,       {.id = 5} },
5769         { "ws_7",               switchws,       {.id = 6} },
5770         { "ws_8",               switchws,       {.id = 7} },
5771         { "ws_9",               switchws,       {.id = 8} },
5772         { "ws_10",              switchws,       {.id = 9} },
5773         { "ws_11",              switchws,       {.id = 10} },
5774         { "ws_12",              switchws,       {.id = 11} },
5775         { "ws_13",              switchws,       {.id = 12} },
5776         { "ws_14",              switchws,       {.id = 13} },
5777         { "ws_15",              switchws,       {.id = 14} },
5778         { "ws_16",              switchws,       {.id = 15} },
5779         { "ws_17",              switchws,       {.id = 16} },
5780         { "ws_18",              switchws,       {.id = 17} },
5781         { "ws_19",              switchws,       {.id = 18} },
5782         { "ws_20",              switchws,       {.id = 19} },
5783         { "ws_21",              switchws,       {.id = 20} },
5784         { "ws_22",              switchws,       {.id = 21} },
5785         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
5786         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
5787         { "ws_next_move",       cyclews,        {.id = SWM_ARG_ID_CYCLEWS_MOVE_UP} },
5788         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
5789         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
5790         { "ws_prev_move",       cyclews,        {.id = SWM_ARG_ID_CYCLEWS_MOVE_DOWN} },
5791         { "ws_prior",           priorws,        {0} },
5792         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
5793         { "invalid key func",   NULL,           {0} },
5794 };
5795
5796 int
5797 key_cmp(struct key *kp1, struct key *kp2)
5798 {
5799         if (kp1->keysym < kp2->keysym)
5800                 return (-1);
5801         if (kp1->keysym > kp2->keysym)
5802                 return (1);
5803
5804         if (kp1->mod < kp2->mod)
5805                 return (-1);
5806         if (kp1->mod > kp2->mod)
5807                 return (1);
5808
5809         return (0);
5810 }
5811
5812 /* mouse */
5813 enum { client_click, root_click };
5814 struct button {
5815         unsigned int            action;
5816         unsigned int            mask;
5817         unsigned int            button;
5818         void                    (*func)(struct ws_win *, union arg *);
5819         union arg               args;
5820 } buttons[] = {
5821 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
5822           /* action     key             mouse button    func    args */
5823         { client_click, MODKEY,         XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_DONTCENTER} },
5824         { client_click, MODKEY_SHIFT,   XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_CENTER} },
5825         { client_click, MODKEY,         XCB_BUTTON_INDEX_1,     move,   {0} },
5826 #undef MODKEY_SHIFT
5827 };
5828
5829 void
5830 update_modkey(unsigned int mod)
5831 {
5832         int                     i;
5833         struct key              *kp;
5834
5835         mod_key = mod;
5836         RB_FOREACH(kp, key_tree, &keys)
5837                 if (kp->mod & XCB_MOD_MASK_SHIFT)
5838                         kp->mod = mod | XCB_MOD_MASK_SHIFT;
5839                 else
5840                         kp->mod = mod;
5841
5842         for (i = 0; i < LENGTH(buttons); i++)
5843                 if (buttons[i].mask & XCB_MOD_MASK_SHIFT)
5844                         buttons[i].mask = mod | XCB_MOD_MASK_SHIFT;
5845                 else
5846                         buttons[i].mask = mod;
5847 }
5848
5849 int
5850 spawn_expand(struct swm_region *r, union arg *args, const char *spawn_name,
5851     char ***ret_args)
5852 {
5853         struct spawn_prog       *prog = NULL;
5854         int                     i;
5855         char                    *ap, **real_args;
5856
5857         /* suppress unused warning since var is needed */
5858         (void)args;
5859
5860         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
5861
5862         /* find program */
5863         TAILQ_FOREACH(prog, &spawns, entry) {
5864                 if (!strcasecmp(spawn_name, prog->name))
5865                         break;
5866         }
5867         if (prog == NULL) {
5868                 warnx("spawn_custom: program %s not found", spawn_name);
5869                 return (-1);
5870         }
5871
5872         /* make room for expanded args */
5873         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
5874                 err(1, "spawn_custom: calloc real_args");
5875
5876         /* expand spawn_args into real_args */
5877         for (i = 0; i < prog->argc; i++) {
5878                 ap = prog->argv[i];
5879                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
5880                 if (!strcasecmp(ap, "$bar_border")) {
5881                         if ((real_args[i] =
5882                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
5883                             == NULL)
5884                                 err(1,  "spawn_custom border color");
5885                 } else if (!strcasecmp(ap, "$bar_color")) {
5886                         if ((real_args[i] =
5887                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
5888                             == NULL)
5889                                 err(1, "spawn_custom bar color");
5890                 } else if (!strcasecmp(ap, "$bar_font")) {
5891                         if ((real_args[i] = strdup(bar_fonts))
5892                             == NULL)
5893                                 err(1, "spawn_custom bar fonts");
5894                 } else if (!strcasecmp(ap, "$bar_font_color")) {
5895                         if ((real_args[i] =
5896                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
5897                             == NULL)
5898                                 err(1, "spawn_custom color font");
5899                 } else if (!strcasecmp(ap, "$color_focus")) {
5900                         if ((real_args[i] =
5901                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
5902                             == NULL)
5903                                 err(1, "spawn_custom color focus");
5904                 } else if (!strcasecmp(ap, "$color_unfocus")) {
5905                         if ((real_args[i] =
5906                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
5907                             == NULL)
5908                                 err(1, "spawn_custom color unfocus");
5909                 } else if (!strcasecmp(ap, "$region_index")) {
5910                         if (asprintf(&real_args[i], "%d",
5911                             get_region_index(r) + 1) < 1)
5912                                 err(1, "spawn_custom region index");
5913                 } else if (!strcasecmp(ap, "$workspace_index")) {
5914                         if (asprintf(&real_args[i], "%d", r->ws->idx + 1) < 1)
5915                                 err(1, "spawn_custom workspace index");
5916                 } else {
5917                         /* no match --> copy as is */
5918                         if ((real_args[i] = strdup(ap)) == NULL)
5919                                 err(1, "spawn_custom strdup(ap)");
5920                 }
5921                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
5922                     real_args[i]);
5923         }
5924
5925 #ifdef SWM_DEBUG
5926         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
5927         for (i = 0; i < prog->argc; i++)
5928                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
5929         DNPRINTF(SWM_D_SPAWN, "\n");
5930 #endif
5931         *ret_args = real_args;
5932         return (prog->argc);
5933 }
5934
5935 void
5936 spawn_custom(struct swm_region *r, union arg *args, const char *spawn_name)
5937 {
5938         union arg               a;
5939         char                    **real_args;
5940         int                     spawn_argc, i;
5941
5942         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5943                 return;
5944         a.argv = real_args;
5945         if (fork() == 0)
5946                 spawn(r->ws->idx, &a, 1);
5947
5948         for (i = 0; i < spawn_argc; i++)
5949                 free(real_args[i]);
5950         free(real_args);
5951 }
5952
5953 void
5954 spawn_select(struct swm_region *r, union arg *args, const char *spawn_name,
5955     int *pid)
5956 {
5957         union arg               a;
5958         char                    **real_args;
5959         int                     i, spawn_argc;
5960
5961         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5962                 return;
5963         a.argv = real_args;
5964
5965         if (pipe(select_list_pipe) == -1)
5966                 err(1, "pipe error");
5967         if (pipe(select_resp_pipe) == -1)
5968                 err(1, "pipe error");
5969
5970         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
5971                 err(1, "could not disable SIGPIPE");
5972         switch (*pid = fork()) {
5973         case -1:
5974                 err(1, "cannot fork");
5975                 break;
5976         case 0: /* child */
5977                 if (dup2(select_list_pipe[0], STDIN_FILENO) == -1)
5978                         err(1, "dup2");
5979                 if (dup2(select_resp_pipe[1], STDOUT_FILENO) == -1)
5980                         err(1, "dup2");
5981                 close(select_list_pipe[1]);
5982                 close(select_resp_pipe[0]);
5983                 spawn(r->ws->idx, &a, 0);
5984                 break;
5985         default: /* parent */
5986                 close(select_list_pipe[0]);
5987                 close(select_resp_pipe[1]);
5988                 break;
5989         }
5990
5991         for (i = 0; i < spawn_argc; i++)
5992                 free(real_args[i]);
5993         free(real_args);
5994 }
5995
5996 void
5997 spawn_insert(const char *name, const char *args, int flags)
5998 {
5999         char                    *arg, *cp, *ptr;
6000         struct spawn_prog       *sp;
6001
6002         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
6003
6004         if ((sp = calloc(1, sizeof *sp)) == NULL)
6005                 err(1, "spawn_insert: calloc");
6006         if ((sp->name = strdup(name)) == NULL)
6007                 err(1, "spawn_insert: strdup");
6008
6009         /* convert the arguments to an argument list */
6010         if ((ptr = cp = strdup(args)) == NULL)
6011                 err(1, "spawn_insert: strdup");
6012         while ((arg = strsep(&ptr, " \t")) != NULL) {
6013                 /* empty field; skip it */
6014                 if (*arg == '\0')
6015                         continue;
6016
6017                 sp->argc++;
6018                 if ((sp->argv = realloc(sp->argv, sp->argc *
6019                     sizeof *sp->argv)) == NULL)
6020                         err(1, "spawn_insert: realloc");
6021                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
6022                         err(1, "spawn_insert: strdup");
6023         }
6024         free(cp);
6025
6026         sp->flags = flags;
6027
6028         TAILQ_INSERT_TAIL(&spawns, sp, entry);
6029         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
6030 }
6031
6032 void
6033 spawn_remove(struct spawn_prog *sp)
6034 {
6035         int                     i;
6036
6037         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
6038
6039         TAILQ_REMOVE(&spawns, sp, entry);
6040         for (i = 0; i < sp->argc; i++)
6041                 free(sp->argv[i]);
6042         free(sp->argv);
6043         free(sp->name);
6044         free(sp);
6045
6046         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
6047 }
6048
6049 void
6050 setspawn(const char *name, const char *args, int flags)
6051 {
6052         struct spawn_prog       *sp;
6053
6054         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
6055
6056         if (name == NULL)
6057                 return;
6058
6059         /* Remove any old spawn under the same name. */
6060         TAILQ_FOREACH(sp, &spawns, entry)
6061                 if (!strcmp(sp->name, name)) {
6062                         spawn_remove(sp);
6063                         break;
6064                 }
6065
6066         if (*args != '\0')
6067                 spawn_insert(name, args, flags);
6068         else
6069                 warnx("error: setspawn: cannot find program: %s", name);
6070
6071         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
6072 }
6073
6074 int
6075 setconfspawn(char *selector, char *value, int flags)
6076 {
6077         char            *args;
6078
6079         args = expand_tilde(value);
6080
6081         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, args);
6082
6083         setspawn(selector, args, flags);
6084         free(args);
6085
6086         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done.\n");
6087         return (0);
6088 }
6089
6090 void
6091 validate_spawns(void)
6092 {
6093         struct spawn_prog       *sp;
6094         char                    which[PATH_MAX];
6095         size_t                  i;
6096
6097         struct key              *kp;
6098
6099         RB_FOREACH(kp, key_tree, &keys) {
6100                 if (kp->funcid != KF_SPAWN_CUSTOM)
6101                         continue;
6102
6103                 /* find program */
6104                 TAILQ_FOREACH(sp, &spawns, entry) {
6105                         if (!strcasecmp(kp->spawn_name, sp->name))
6106                                 break;
6107                 }
6108
6109                 if (sp == NULL || sp->flags & SWM_SPAWN_OPTIONAL)
6110                         continue;
6111
6112                 /* verify we have the goods */
6113                 snprintf(which, sizeof which, "which %s", sp->argv[0]);
6114                 DNPRINTF(SWM_D_CONF, "validate_spawns: which %s\n",
6115                     sp->argv[0]);
6116                 for (i = strlen("which "); i < strlen(which); i++)
6117                         if (which[i] == ' ') {
6118                                 which[i] = '\0';
6119                                 break;
6120                         }
6121                 if (system(which) != 0)
6122                         add_startup_exception("could not find %s",
6123                             &which[strlen("which ")]);
6124         }
6125 }
6126
6127 void
6128 setup_spawn(void)
6129 {
6130         setconfspawn("lock",            "xlock",                0);
6131
6132         setconfspawn("term",            "xterm",                0);
6133         setconfspawn("spawn_term",      "xterm",                0);
6134
6135         setconfspawn("menu",            "dmenu_run"
6136                                         " -fn $bar_font"
6137                                         " -nb $bar_color"
6138                                         " -nf $bar_font_color"
6139                                         " -sb $bar_border"
6140                                         " -sf $bar_color",      0);
6141
6142         setconfspawn("search",          "dmenu"
6143                                         " -i"
6144                                         " -fn $bar_font"
6145                                         " -nb $bar_color"
6146                                         " -nf $bar_font_color"
6147                                         " -sb $bar_border"
6148                                         " -sf $bar_color",      0);
6149
6150         setconfspawn("name_workspace",  "dmenu"
6151                                         " -p Workspace"
6152                                         " -fn $bar_font"
6153                                         " -nb $bar_color"
6154                                         " -nf $bar_font_color"
6155                                         " -sb $bar_border"
6156                                         " -sf $bar_color",      0);
6157
6158          /* These are not verified for existence, even with a binding set. */
6159         setconfspawn("screenshot_all",  "screenshot.sh full",   SWM_SPAWN_OPTIONAL);
6160         setconfspawn("screenshot_wind", "screenshot.sh window", SWM_SPAWN_OPTIONAL);
6161         setconfspawn("initscr",         "initscreen.sh",        SWM_SPAWN_OPTIONAL);
6162 }
6163
6164 /* key bindings */
6165 #define SWM_MODNAME_SIZE        32
6166 #define SWM_KEY_WS              "\n+ \t"
6167 int
6168 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
6169 {
6170         char                    *cp, *name;
6171         KeySym                  uks;
6172         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
6173         if (mod == NULL || ks == NULL) {
6174                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
6175                 return (1);
6176         }
6177         if (keystr == NULL || strlen(keystr) == 0) {
6178                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
6179                 return (1);
6180         }
6181         cp = keystr;
6182         *ks = XCB_NO_SYMBOL;
6183         *mod = 0;
6184         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
6185                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
6186                 if (cp)
6187                         cp += (long)strspn(cp, SWM_KEY_WS);
6188                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
6189                         *mod |= currmod;
6190                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
6191                         *mod |= XCB_MOD_MASK_1;
6192                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
6193                         *mod += XCB_MOD_MASK_2;
6194                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
6195                         *mod |= XCB_MOD_MASK_3;
6196                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
6197                         *mod |= XCB_MOD_MASK_4;
6198                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
6199                         *mod |= XCB_MOD_MASK_SHIFT;
6200                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
6201                         *mod |= XCB_MOD_MASK_CONTROL;
6202                 else {
6203                         *ks = XStringToKeysym(name);
6204                         XConvertCase(*ks, ks, &uks);
6205                         if (ks == XCB_NO_SYMBOL) {
6206                                 DNPRINTF(SWM_D_KEY,
6207                                     "parsekeys: invalid key %s\n",
6208                                     name);
6209                                 return (1);
6210                         }
6211                 }
6212         }
6213         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
6214         return (0);
6215 }
6216
6217 char *
6218 strdupsafe(const char *str)
6219 {
6220         if (str == NULL)
6221                 return (NULL);
6222         else
6223                 return (strdup(str));
6224 }
6225
6226 void
6227 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid,
6228     const char *spawn_name)
6229 {
6230         struct key              *kp;
6231
6232         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
6233             keyfuncs[kfid].name, spawn_name);
6234
6235         if ((kp = malloc(sizeof *kp)) == NULL)
6236                 err(1, "key_insert: malloc");
6237
6238         kp->mod = mod;
6239         kp->keysym = ks;
6240         kp->funcid = kfid;
6241         kp->spawn_name = strdupsafe(spawn_name);
6242         RB_INSERT(key_tree, &keys, kp);
6243
6244         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
6245 }
6246
6247 struct key *
6248 key_lookup(unsigned int mod, KeySym ks)
6249 {
6250         struct key              kp;
6251
6252         kp.keysym = ks;
6253         kp.mod = mod;
6254
6255         return (RB_FIND(key_tree, &keys, &kp));
6256 }
6257
6258 void
6259 key_remove(struct key *kp)
6260 {
6261         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
6262
6263         RB_REMOVE(key_tree, &keys, kp);
6264         free(kp->spawn_name);
6265         free(kp);
6266
6267         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
6268 }
6269
6270 void
6271 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
6272     const char *spawn_name)
6273 {
6274         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
6275             spawn_name);
6276
6277         key_remove(kp);
6278         key_insert(mod, ks, kfid, spawn_name);
6279
6280         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
6281 }
6282
6283 void
6284 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
6285     const char *spawn_name)
6286 {
6287         struct key              *kp;
6288
6289         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
6290             keyfuncs[kfid].name, spawn_name);
6291
6292         if ((kp = key_lookup(mod, ks)) != NULL) {
6293                 if (kfid == KF_INVALID)
6294                         key_remove(kp);
6295                 else
6296                         key_replace(kp, mod, ks, kfid, spawn_name);
6297                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6298                 return;
6299         }
6300         if (kfid == KF_INVALID) {
6301                 warnx("bind: Key combination already unbound.");
6302                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6303                 return;
6304         }
6305
6306         key_insert(mod, ks, kfid, spawn_name);
6307         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6308 }
6309
6310 int
6311 setconfbinding(char *selector, char *value, int flags)
6312 {
6313         enum keyfuncid          kfid;
6314         unsigned int            mod;
6315         KeySym                  ks;
6316         struct spawn_prog       *sp;
6317
6318         /* suppress unused warning since var is needed */
6319         (void)flags;
6320
6321         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
6322         if (selector == NULL) {
6323                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
6324                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6325                         kfid = KF_INVALID;
6326                         setkeybinding(mod, ks, kfid, NULL);
6327                         return (0);
6328                 } else
6329                         return (1);
6330         }
6331         /* search by key function name */
6332         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
6333                 if (strncasecmp(selector, keyfuncs[kfid].name,
6334                     SWM_FUNCNAME_LEN) == 0) {
6335                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match "
6336                             "keyfunc\n", selector);
6337                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6338                                 setkeybinding(mod, ks, kfid, NULL);
6339                                 return (0);
6340                         } else
6341                                 return (1);
6342                 }
6343         }
6344         /* search by custom spawn name */
6345         TAILQ_FOREACH(sp, &spawns, entry) {
6346                 if (strcasecmp(selector, sp->name) == 0) {
6347                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match "
6348                             "spawn\n", selector);
6349                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6350                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
6351                                     sp->name);
6352                                 return (0);
6353                         } else
6354                                 return (1);
6355                 }
6356         }
6357         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
6358         return (1);
6359 }
6360
6361 void
6362 setup_keys(void)
6363 {
6364 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
6365         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
6366         setkeybinding(MODKEY_SHIFT,     XK_b,           KF_BAR_TOGGLE_WS,NULL);
6367         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
6368         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
6369         setkeybinding(MODKEY_SHIFT,     XK_backslash,   KF_FLIP_LAYOUT, NULL);
6370         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
6371         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
6372         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
6373         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
6374         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
6375         setkeybinding(MODKEY_SHIFT,     XK_Tab,         KF_FOCUS_PREV,  NULL);
6376         setkeybinding(MODKEY_SHIFT,     XK_equal,       KF_HEIGHT_GROW,NULL);
6377         setkeybinding(MODKEY_SHIFT,     XK_minus,       KF_HEIGHT_SHRINK,NULL);
6378         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
6379         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
6380         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
6381         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
6382         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
6383         setkeybinding(MODKEY_SHIFT,     XK_bracketright,KF_MOVE_DOWN,NULL);
6384         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
6385         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
6386         setkeybinding(MODKEY_SHIFT,     XK_bracketleft, KF_MOVE_UP,     NULL);
6387         setkeybinding(MODKEY_SHIFT,     XK_KP_End,      KF_MVRG_1,      NULL);
6388         setkeybinding(MODKEY_SHIFT,     XK_KP_Down,     KF_MVRG_2,      NULL);
6389         setkeybinding(MODKEY_SHIFT,     XK_KP_Next,     KF_MVRG_3,      NULL);
6390         setkeybinding(MODKEY_SHIFT,     XK_KP_Left,     KF_MVRG_4,      NULL);
6391         setkeybinding(MODKEY_SHIFT,     XK_KP_Begin,    KF_MVRG_5,      NULL);
6392         setkeybinding(MODKEY_SHIFT,     XK_KP_Right,    KF_MVRG_6,      NULL);
6393         setkeybinding(MODKEY_SHIFT,     XK_KP_Home,     KF_MVRG_7,      NULL);
6394         setkeybinding(MODKEY_SHIFT,     XK_KP_Up,       KF_MVRG_8,      NULL);
6395         setkeybinding(MODKEY_SHIFT,     XK_KP_Prior,    KF_MVRG_9,      NULL);
6396         setkeybinding(MODKEY_SHIFT,     XK_1,           KF_MVWS_1,      NULL);
6397         setkeybinding(MODKEY_SHIFT,     XK_2,           KF_MVWS_2,      NULL);
6398         setkeybinding(MODKEY_SHIFT,     XK_3,           KF_MVWS_3,      NULL);
6399         setkeybinding(MODKEY_SHIFT,     XK_4,           KF_MVWS_4,      NULL);
6400         setkeybinding(MODKEY_SHIFT,     XK_5,           KF_MVWS_5,      NULL);
6401         setkeybinding(MODKEY_SHIFT,     XK_6,           KF_MVWS_6,      NULL);
6402         setkeybinding(MODKEY_SHIFT,     XK_7,           KF_MVWS_7,      NULL);
6403         setkeybinding(MODKEY_SHIFT,     XK_8,           KF_MVWS_8,      NULL);
6404         setkeybinding(MODKEY_SHIFT,     XK_9,           KF_MVWS_9,      NULL);
6405         setkeybinding(MODKEY_SHIFT,     XK_0,           KF_MVWS_10,     NULL);
6406         setkeybinding(MODKEY_SHIFT,     XK_F1,          KF_MVWS_11,     NULL);
6407         setkeybinding(MODKEY_SHIFT,     XK_F2,          KF_MVWS_12,     NULL);
6408         setkeybinding(MODKEY_SHIFT,     XK_F3,          KF_MVWS_13,     NULL);
6409         setkeybinding(MODKEY_SHIFT,     XK_F4,          KF_MVWS_14,     NULL);
6410         setkeybinding(MODKEY_SHIFT,     XK_F5,          KF_MVWS_15,     NULL);
6411         setkeybinding(MODKEY_SHIFT,     XK_F6,          KF_MVWS_16,     NULL);
6412         setkeybinding(MODKEY_SHIFT,     XK_F7,          KF_MVWS_17,     NULL);
6413         setkeybinding(MODKEY_SHIFT,     XK_F8,          KF_MVWS_18,     NULL);
6414         setkeybinding(MODKEY_SHIFT,     XK_F9,          KF_MVWS_19,     NULL);
6415         setkeybinding(MODKEY_SHIFT,     XK_F10,         KF_MVWS_20,     NULL);
6416         setkeybinding(MODKEY_SHIFT,     XK_F11,         KF_MVWS_21,     NULL);
6417         setkeybinding(MODKEY_SHIFT,     XK_F12,         KF_MVWS_22,     NULL);
6418         setkeybinding(MODKEY_SHIFT,     XK_slash,       KF_NAME_WORKSPACE,NULL);
6419         setkeybinding(MODKEY_SHIFT,     XK_q,           KF_QUIT,        NULL);
6420         setkeybinding(MODKEY_SHIFT,     XK_r,           KF_RAISE_TOGGLE,NULL);
6421         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
6422         setkeybinding(MODKEY,           XK_KP_End,      KF_RG_1,        NULL);
6423         setkeybinding(MODKEY,           XK_KP_Down,     KF_RG_2,        NULL);
6424         setkeybinding(MODKEY,           XK_KP_Next,     KF_RG_3,        NULL);
6425         setkeybinding(MODKEY,           XK_KP_Left,     KF_RG_4,        NULL);
6426         setkeybinding(MODKEY,           XK_KP_Begin,    KF_RG_5,        NULL);
6427         setkeybinding(MODKEY,           XK_KP_Right,    KF_RG_6,        NULL);
6428         setkeybinding(MODKEY,           XK_KP_Home,     KF_RG_7,        NULL);
6429         setkeybinding(MODKEY,           XK_KP_Up,       KF_RG_8,        NULL);
6430         setkeybinding(MODKEY,           XK_KP_Prior,    KF_RG_9,        NULL);
6431         setkeybinding(MODKEY_SHIFT,     XK_Right,       KF_RG_NEXT,     NULL);
6432         setkeybinding(MODKEY_SHIFT,     XK_Left,        KF_RG_PREV,     NULL);
6433         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
6434         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
6435         setkeybinding(MODKEY_SHIFT,     XK_i,           KF_SPAWN_CUSTOM,"initscr");
6436         setkeybinding(MODKEY_SHIFT,     XK_Delete,      KF_SPAWN_CUSTOM,"lock");
6437         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
6438         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
6439         setkeybinding(MODKEY_SHIFT,     XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
6440         setkeybinding(MODKEY_SHIFT,     XK_Return,      KF_SPAWN_CUSTOM,"term");
6441         setkeybinding(MODKEY_SHIFT,     XK_comma,       KF_STACK_INC,   NULL);
6442         setkeybinding(MODKEY_SHIFT,     XK_period,      KF_STACK_DEC,   NULL);
6443         setkeybinding(MODKEY_SHIFT,     XK_space,       KF_STACK_RESET, NULL);
6444         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
6445         setkeybinding(MODKEY_SHIFT,     XK_j,           KF_SWAP_NEXT,   NULL);
6446         setkeybinding(MODKEY_SHIFT,     XK_k,           KF_SWAP_PREV,   NULL);
6447         setkeybinding(MODKEY_SHIFT,     XK_w,           KF_UNICONIFY,   NULL);
6448         setkeybinding(MODKEY_SHIFT,     XK_v,           KF_VERSION,     NULL);
6449         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
6450         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
6451         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
6452         setkeybinding(MODKEY_SHIFT,     XK_x,           KF_WIND_KILL,   NULL);
6453         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
6454         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
6455         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
6456         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
6457         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
6458         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
6459         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
6460         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
6461         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
6462         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
6463         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
6464         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
6465         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
6466         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
6467         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
6468         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
6469         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
6470         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
6471         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
6472         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
6473         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
6474         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
6475         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
6476         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
6477         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
6478         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
6479         setkeybinding(MODKEY_SHIFT,     XK_Up,          KF_WS_NEXT_MOVE,NULL);
6480         setkeybinding(MODKEY_SHIFT,     XK_Down,        KF_WS_PREV_MOVE,NULL);
6481         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
6482 #ifdef SWM_DEBUG
6483         setkeybinding(MODKEY_SHIFT,     XK_d,           KF_DUMPWINS,    NULL);
6484 #endif
6485 #undef MODKEY_SHIFT
6486 }
6487
6488 void
6489 clear_keys(void)
6490 {
6491         struct key              *kp;
6492
6493         while (RB_EMPTY(&keys) == 0) {
6494                 kp = RB_ROOT(&keys);
6495                 key_remove(kp);
6496         }
6497 }
6498
6499 int
6500 setkeymapping(char *selector, char *value, int flags)
6501 {
6502         char                    *keymapping_file;
6503
6504         /* suppress unused warnings since vars are needed */
6505         (void)selector;
6506         (void)flags;
6507
6508         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
6509
6510         keymapping_file = expand_tilde(value);
6511
6512         clear_keys();
6513         /* load new key bindings; if it fails, revert to default bindings */
6514         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
6515                 clear_keys();
6516                 setup_keys();
6517         }
6518
6519         free(keymapping_file);
6520
6521         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
6522         return (0);
6523 }
6524
6525 void
6526 updatenumlockmask(void)
6527 {
6528         unsigned int                            i, j;
6529         xcb_get_modifier_mapping_reply_t        *modmap_r;
6530         xcb_keycode_t                           *modmap, kc, *keycode;
6531
6532         numlockmask = 0;
6533
6534         modmap_r = xcb_get_modifier_mapping_reply(conn,
6535             xcb_get_modifier_mapping(conn),
6536             NULL);
6537         if (modmap_r) {
6538                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
6539                 for (i = 0; i < 8; i++) {
6540                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
6541                                 kc = modmap[i * modmap_r->keycodes_per_modifier
6542                                     + j];
6543                                 keycode = xcb_key_symbols_get_keycode(syms,
6544                                                 XK_Num_Lock);
6545                                 if (kc == *keycode)
6546                                         numlockmask = (1 << i);
6547                                 free(keycode);
6548                         }
6549                 }
6550                 free(modmap_r);
6551         }
6552         DNPRINTF(SWM_D_MISC, "updatenumlockmask: %d\n", numlockmask);
6553 }
6554
6555 void
6556 grabkeys(void)
6557 {
6558         struct key              *kp;
6559         int                     num_screens, k, j;
6560         unsigned int            modifiers[4];
6561         xcb_keycode_t           *code;
6562
6563         DNPRINTF(SWM_D_MISC, "grabkeys\n");
6564         updatenumlockmask();
6565
6566         modifiers[0] = 0;
6567         modifiers[1] = numlockmask;
6568         modifiers[2] = XCB_MOD_MASK_LOCK;
6569         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6570
6571         num_screens = get_screen_count();
6572         for (k = 0; k < num_screens; k++) {
6573                 if (TAILQ_EMPTY(&screens[k].rl))
6574                         continue;
6575                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
6576                         XCB_MOD_MASK_ANY);
6577                 RB_FOREACH(kp, key_tree, &keys) {
6578                         /* Skip unused ws binds. */
6579                         if ((int)kp->funcid > KF_WS_1 + workspace_limit - 1 &&
6580                             kp->funcid <= KF_WS_22)
6581                                 continue;
6582
6583                         /* Skip unused mvws binds. */
6584                         if ((int)kp->funcid > KF_MVWS_1 + workspace_limit - 1 &&
6585                             kp->funcid <= KF_MVWS_22)
6586                                 continue;
6587
6588                         if ((code = xcb_key_symbols_get_keycode(syms,
6589                                         kp->keysym))) {
6590                                 for (j = 0; j < LENGTH(modifiers); j++)
6591                                         xcb_grab_key(conn, 1,
6592                                             screens[k].root,
6593                                             kp->mod | modifiers[j],
6594                                             *code, XCB_GRAB_MODE_SYNC,
6595                                             XCB_GRAB_MODE_SYNC);
6596                                 free(code);
6597                         }
6598                 }
6599         }
6600 }
6601
6602 void
6603 grabbuttons(struct ws_win *win)
6604 {
6605         unsigned int    modifiers[4];
6606         int             i, j;
6607
6608         DNPRINTF(SWM_D_MOUSE, "grabbuttons: win 0x%x\n", win->id);
6609         updatenumlockmask();
6610
6611         modifiers[0] = 0;
6612         modifiers[1] = numlockmask;
6613         modifiers[2] = XCB_MOD_MASK_LOCK;
6614         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6615
6616         for (i = 0; i < LENGTH(buttons); i++)
6617                 if (buttons[i].action == client_click)
6618                         for (j = 0; j < LENGTH(modifiers); ++j)
6619                                 xcb_grab_button(conn, 0, win->id, BUTTONMASK,
6620                                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC,
6621                                     XCB_WINDOW_NONE, XCB_CURSOR_NONE,
6622                                     buttons[i].button, buttons[i].mask |
6623                                     modifiers[j]);
6624 }
6625
6626 const char *quirkname[] = {
6627         "NONE",         /* config string for "no value" */
6628         "FLOAT",
6629         "TRANSSZ",
6630         "ANYWHERE",
6631         "XTERM_FONTADJ",
6632         "FULLSCREEN",
6633         "FOCUSPREV",
6634         "NOFOCUSONMAP",
6635         "FOCUSONMAP_SINGLE",
6636 };
6637
6638 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
6639 #define SWM_Q_WS                "\n|+ \t"
6640 int
6641 parsequirks(char *qstr, unsigned long *quirk)
6642 {
6643         char                    *cp, *name;
6644         int                     i;
6645
6646         if (quirk == NULL)
6647                 return (1);
6648
6649         cp = qstr;
6650         *quirk = 0;
6651         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
6652                 if (cp)
6653                         cp += (long)strspn(cp, SWM_Q_WS);
6654                 for (i = 0; i < LENGTH(quirkname); i++) {
6655                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
6656                                 DNPRINTF(SWM_D_QUIRK,
6657                                     "parsequirks: %s\n", name);
6658                                 if (i == 0) {
6659                                         *quirk = 0;
6660                                         return (0);
6661                                 }
6662                                 *quirk |= 1 << (i-1);
6663                                 break;
6664                         }
6665                 }
6666                 if (i >= LENGTH(quirkname)) {
6667                         DNPRINTF(SWM_D_QUIRK,
6668                             "parsequirks: invalid quirk [%s]\n", name);
6669                         return (1);
6670                 }
6671         }
6672         return (0);
6673 }
6674
6675 void
6676 quirk_insert(const char *class, const char *name, unsigned long quirk)
6677 {
6678         struct quirk            *qp;
6679
6680         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
6681             quirk);
6682
6683         if ((qp = malloc(sizeof *qp)) == NULL)
6684                 err(1, "quirk_insert: malloc");
6685         if ((qp->class = strdup(class)) == NULL)
6686                 err(1, "quirk_insert: strdup");
6687         if ((qp->name = strdup(name)) == NULL)
6688                 err(1, "quirk_insert: strdup");
6689
6690         qp->quirk = quirk;
6691         TAILQ_INSERT_TAIL(&quirks, qp, entry);
6692
6693         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
6694 }
6695
6696 void
6697 quirk_remove(struct quirk *qp)
6698 {
6699         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
6700             qp->name, qp->quirk);
6701
6702         TAILQ_REMOVE(&quirks, qp, entry);
6703         free(qp->class);
6704         free(qp->name);
6705         free(qp);
6706
6707         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
6708 }
6709
6710 void
6711 quirk_replace(struct quirk *qp, const char *class, const char *name,
6712     unsigned long quirk)
6713 {
6714         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
6715             qp->name, qp->quirk);
6716
6717         quirk_remove(qp);
6718         quirk_insert(class, name, quirk);
6719
6720         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
6721 }
6722
6723 void
6724 setquirk(const char *class, const char *name, unsigned long quirk)
6725 {
6726         struct quirk            *qp;
6727
6728         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
6729            quirk);
6730
6731         /* Remove/replace existing quirk. */
6732         TAILQ_FOREACH(qp, &quirks, entry) {
6733                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
6734                         if (!quirk)
6735                                 quirk_remove(qp);
6736                         else
6737                                 quirk_replace(qp, class, name, quirk);
6738                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6739                         return;
6740                 }
6741         }
6742
6743         /* Only insert if quirk is not NONE. */
6744         if (quirk)
6745                 quirk_insert(class, name, quirk);
6746
6747         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6748 }
6749
6750 int
6751 setconfquirk(char *selector, char *value, int flags)
6752 {
6753         char                    *cp, *class, *name;
6754         int                     retval;
6755         unsigned long           qrks;
6756
6757         /* suppress unused warning since var is needed */
6758         (void)flags;
6759
6760         if (selector == NULL)
6761                 return (0);
6762         if ((cp = strchr(selector, ':')) == NULL)
6763                 return (0);
6764         *cp = '\0';
6765         class = selector;
6766         name = cp + 1;
6767         if ((retval = parsequirks(value, &qrks)) == 0)
6768                 setquirk(class, name, qrks);
6769         return (retval);
6770 }
6771
6772 void
6773 setup_quirks(void)
6774 {
6775         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
6776         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
6777         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
6778         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
6779         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6780         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
6781         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6782         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6783         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6784         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6785         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
6786         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
6787         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
6788 }
6789
6790 /* conf file stuff */
6791 #define SWM_CONF_FILE           "spectrwm.conf"
6792 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
6793
6794 enum {
6795         SWM_S_BAR_ACTION,
6796         SWM_S_BAR_AT_BOTTOM,
6797         SWM_S_BAR_BORDER_WIDTH,
6798         SWM_S_BAR_DELAY,
6799         SWM_S_BAR_ENABLED,
6800         SWM_S_BAR_ENABLED_WS,
6801         SWM_S_BAR_FONT,
6802         SWM_S_BAR_FORMAT,
6803         SWM_S_BAR_JUSTIFY,
6804         SWM_S_BORDER_WIDTH,
6805         SWM_S_CLOCK_ENABLED,
6806         SWM_S_CLOCK_FORMAT,
6807         SWM_S_CYCLE_EMPTY,
6808         SWM_S_CYCLE_VISIBLE,
6809         SWM_S_DIALOG_RATIO,
6810         SWM_S_DISABLE_BORDER,
6811         SWM_S_FOCUS_CLOSE,
6812         SWM_S_FOCUS_CLOSE_WRAP,
6813         SWM_S_FOCUS_DEFAULT,
6814         SWM_S_FOCUS_MODE,
6815         SWM_S_REGION_PADDING,
6816         SWM_S_SPAWN_ORDER,
6817         SWM_S_SPAWN_TERM,
6818         SWM_S_SS_APP,
6819         SWM_S_SS_ENABLED,
6820         SWM_S_STACK_ENABLED,
6821         SWM_S_TERM_WIDTH,
6822         SWM_S_TILE_GAP,
6823         SWM_S_TITLE_CLASS_ENABLED,
6824         SWM_S_TITLE_NAME_ENABLED,
6825         SWM_S_URGENT_ENABLED,
6826         SWM_S_VERBOSE_LAYOUT,
6827         SWM_S_WINDOW_NAME_ENABLED,
6828         SWM_S_WORKSPACE_LIMIT
6829 };
6830
6831 int
6832 setconfvalue(char *selector, char *value, int flags)
6833 {
6834         struct workspace        *ws;
6835         int                     i, ws_id, num_screens;
6836         char                    *b;
6837
6838         /* suppress unused warning since var is needed */
6839         (void)selector;
6840
6841         switch (flags) {
6842         case SWM_S_BAR_ACTION:
6843                 free(bar_argv[0]);
6844                 if ((bar_argv[0] = expand_tilde(value)) == NULL)
6845                         err(1, "setconfvalue: bar_action");
6846                 break;
6847         case SWM_S_BAR_AT_BOTTOM:
6848                 bar_at_bottom = atoi(value);
6849                 break;
6850         case SWM_S_BAR_BORDER_WIDTH:
6851                 bar_border_width = atoi(value);
6852                 if (bar_border_width < 0)
6853                         bar_border_width = 0;
6854                 break;
6855         case SWM_S_BAR_DELAY:
6856                 /* No longer needed; leave to not break old conf files. */
6857                 break;
6858         case SWM_S_BAR_ENABLED:
6859                 bar_enabled = atoi(value);
6860                 break;
6861         case SWM_S_BAR_ENABLED_WS:
6862                 ws_id = atoi(selector) - 1;
6863                 if (ws_id < 0 || ws_id >= workspace_limit)
6864                         errx(1, "setconfvalue: bar_enabled_ws: invalid "
6865                             "workspace %d.", ws_id + 1);
6866
6867                 num_screens = get_screen_count();
6868                 for (i = 0; i < num_screens; i++) {
6869                         ws = (struct workspace *)&screens[i].ws;
6870                         ws[ws_id].bar_enabled = atoi(value);
6871                 }
6872                 break;
6873         case SWM_S_BAR_FONT:
6874                 b = bar_fonts;
6875                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
6876                         err(1, "setconfvalue: asprintf: failed to allocate "
6877                                 "memory for bar_fonts.");
6878                 free(b);
6879
6880                 /* If already in xft mode, then we are done. */
6881                 if (!bar_font_legacy)
6882                         break;
6883
6884                 /* If there are any non-XLFD entries, switch to Xft mode. */
6885                 while ((b = strsep(&value, ",")) != NULL) {
6886                         if (*b == '\0')
6887                                 continue;
6888                         if (!isxlfd(b)) {
6889                                 bar_font_legacy = 0;
6890                                 break;
6891                         }
6892                 }
6893                 break;
6894         case SWM_S_BAR_FORMAT:
6895                 free(bar_format);
6896                 if ((bar_format = strdup(value)) == NULL)
6897                         err(1, "setconfvalue: bar_format");
6898                 break;
6899         case SWM_S_BAR_JUSTIFY:
6900                 if (!strcmp(value, "left"))
6901                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
6902                 else if (!strcmp(value, "center"))
6903                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
6904                 else if (!strcmp(value, "right"))
6905                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
6906                 else
6907                         errx(1, "invalid bar_justify");
6908                 break;
6909         case SWM_S_BORDER_WIDTH:
6910                 border_width = atoi(value);
6911                 if (border_width < 0)
6912                         border_width = 0;
6913                 break;
6914         case SWM_S_CLOCK_ENABLED:
6915                 clock_enabled = atoi(value);
6916                 break;
6917         case SWM_S_CLOCK_FORMAT:
6918 #ifndef SWM_DENY_CLOCK_FORMAT
6919                 free(clock_format);
6920                 if ((clock_format = strdup(value)) == NULL)
6921                         err(1, "setconfvalue: clock_format");
6922 #endif
6923                 break;
6924         case SWM_S_CYCLE_EMPTY:
6925                 cycle_empty = atoi(value);
6926                 break;
6927         case SWM_S_CYCLE_VISIBLE:
6928                 cycle_visible = atoi(value);
6929                 break;
6930         case SWM_S_DIALOG_RATIO:
6931                 dialog_ratio = atof(value);
6932                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
6933                         dialog_ratio = .6;
6934                 break;
6935         case SWM_S_DISABLE_BORDER:
6936                 disable_border = atoi(value);
6937                 break;
6938         case SWM_S_FOCUS_CLOSE:
6939                 if (!strcmp(value, "first"))
6940                         focus_close = SWM_STACK_BOTTOM;
6941                 else if (!strcmp(value, "last"))
6942                         focus_close = SWM_STACK_TOP;
6943                 else if (!strcmp(value, "next"))
6944                         focus_close = SWM_STACK_ABOVE;
6945                 else if (!strcmp(value, "previous"))
6946                         focus_close = SWM_STACK_BELOW;
6947                 else
6948                         errx(1, "focus_close");
6949                 break;
6950         case SWM_S_FOCUS_CLOSE_WRAP:
6951                 focus_close_wrap = atoi(value);
6952                 break;
6953         case SWM_S_FOCUS_DEFAULT:
6954                 if (!strcmp(value, "last"))
6955                         focus_default = SWM_STACK_TOP;
6956                 else if (!strcmp(value, "first"))
6957                         focus_default = SWM_STACK_BOTTOM;
6958                 else
6959                         errx(1, "focus_default");
6960                 break;
6961         case SWM_S_FOCUS_MODE:
6962                 if (!strcmp(value, "default"))
6963                         focus_mode = SWM_FOCUS_DEFAULT;
6964                 else if (!strcmp(value, "follow") ||
6965                     !strcmp(value, "follow_cursor"))
6966                         focus_mode = SWM_FOCUS_FOLLOW;
6967                 else if (!strcmp(value, "manual"))
6968                         focus_mode = SWM_FOCUS_MANUAL;
6969                 else
6970                         errx(1, "focus_mode");
6971                 break;
6972         case SWM_S_REGION_PADDING:
6973                 region_padding = atoi(value);
6974                 if (region_padding < 0)
6975                         region_padding = 0;
6976                 break;
6977         case SWM_S_SPAWN_ORDER:
6978                 if (!strcmp(value, "first"))
6979                         spawn_position = SWM_STACK_BOTTOM;
6980                 else if (!strcmp(value, "last"))
6981                         spawn_position = SWM_STACK_TOP;
6982                 else if (!strcmp(value, "next"))
6983                         spawn_position = SWM_STACK_ABOVE;
6984                 else if (!strcmp(value, "previous"))
6985                         spawn_position = SWM_STACK_BELOW;
6986                 else
6987                         errx(1, "spawn_position");
6988                 break;
6989         case SWM_S_SPAWN_TERM:
6990                 setconfspawn("term", value, 0);
6991                 setconfspawn("spawn_term", value, 0);
6992                 break;
6993         case SWM_S_SS_APP:
6994                 /* No longer needed; leave to not break old conf files. */
6995                 break;
6996         case SWM_S_SS_ENABLED:
6997                 /* No longer needed; leave to not break old conf files. */
6998                 break;
6999         case SWM_S_STACK_ENABLED:
7000                 stack_enabled = atoi(value);
7001                 break;
7002         case SWM_S_TERM_WIDTH:
7003                 term_width = atoi(value);
7004                 if (term_width < 0)
7005                         term_width = 0;
7006                 break;
7007         case SWM_S_TILE_GAP:
7008                 tile_gap = atoi(value);
7009                 if (tile_gap < 0)
7010                         tile_gap = 0;
7011                 break;
7012         case SWM_S_TITLE_CLASS_ENABLED:
7013                 title_class_enabled = atoi(value);
7014                 break;
7015         case SWM_S_TITLE_NAME_ENABLED:
7016                 title_name_enabled = atoi(value);
7017                 break;
7018         case SWM_S_URGENT_ENABLED:
7019                 urgent_enabled = atoi(value);
7020                 break;
7021         case SWM_S_VERBOSE_LAYOUT:
7022                 verbose_layout = atoi(value);
7023                 for (i = 0; layouts[i].l_stack != NULL; i++) {
7024                         if (verbose_layout)
7025                                 layouts[i].l_string = fancy_stacker;
7026                         else
7027                                 layouts[i].l_string = plain_stacker;
7028                 }
7029                 break;
7030         case SWM_S_WINDOW_NAME_ENABLED:
7031                 window_name_enabled = atoi(value);
7032                 break;
7033         case SWM_S_WORKSPACE_LIMIT:
7034                 workspace_limit = atoi(value);
7035                 if (workspace_limit > SWM_WS_MAX)
7036                         workspace_limit = SWM_WS_MAX;
7037                 else if (workspace_limit < 1)
7038                         workspace_limit = 1;
7039                 break;
7040         default:
7041                 return (1);
7042         }
7043         return (0);
7044 }
7045
7046 int
7047 setconfmodkey(char *selector, char *value, int flags)
7048 {
7049         /* suppress unused warnings since vars are needed */
7050         (void)selector;
7051         (void)flags;
7052
7053         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
7054                 update_modkey(XCB_MOD_MASK_1);
7055         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
7056                 update_modkey(XCB_MOD_MASK_2);
7057         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
7058                 update_modkey(XCB_MOD_MASK_3);
7059         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
7060                 update_modkey(XCB_MOD_MASK_4);
7061         else
7062                 return (1);
7063         return (0);
7064 }
7065
7066 int
7067 setconfcolor(char *selector, char *value, int flags)
7068 {
7069         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
7070         return (0);
7071 }
7072
7073 int
7074 setconfregion(char *selector, char *value, int flags)
7075 {
7076         /* suppress unused warnings since vars are needed */
7077         (void)selector;
7078         (void)flags;
7079
7080         custom_region(value);
7081         return (0);
7082 }
7083
7084 int
7085 setautorun(char *selector, char *value, int flags)
7086 {
7087         int                     ws_id;
7088         char                    s[1024];
7089         char                    *ap, *sp;
7090         union arg               a;
7091         int                     argc = 0;
7092         pid_t                   pid;
7093         struct pid_e            *p;
7094
7095         /* suppress unused warnings since vars are needed */
7096         (void)selector;
7097         (void)flags;
7098
7099         if (getenv("SWM_STARTED"))
7100                 return (0);
7101
7102         bzero(s, sizeof s);
7103         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
7104                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
7105         ws_id--;
7106         if (ws_id < 0 || ws_id >= workspace_limit)
7107                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
7108
7109         sp = expand_tilde((char *)&s);
7110
7111         /*
7112          * This is a little intricate
7113          *
7114          * If the pid already exists we simply reuse it because it means it was
7115          * used before AND not claimed by manage_window.  We get away with
7116          * altering it in the parent after INSERT because this can not be a race
7117          */
7118         a.argv = NULL;
7119         while ((ap = strsep(&sp, " \t")) != NULL) {
7120                 if (*ap == '\0')
7121                         continue;
7122                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
7123                 argc++;
7124                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
7125                         err(1, "setautorun: realloc");
7126                 a.argv[argc - 1] = ap;
7127         }
7128         free(sp);
7129
7130         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
7131                 err(1, "setautorun: realloc");
7132         a.argv[argc] = NULL;
7133
7134         if ((pid = fork()) == 0) {
7135                 spawn(ws_id, &a, 1);
7136                 /* NOTREACHED */
7137                 _exit(1);
7138         }
7139         free(a.argv);
7140
7141         /* parent */
7142         p = find_pid(pid);
7143         if (p == NULL) {
7144                 p = calloc(1, sizeof *p);
7145                 if (p == NULL)
7146                         return (1);
7147                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
7148         }
7149
7150         p->pid = pid;
7151         p->ws = ws_id;
7152
7153         return (0);
7154 }
7155
7156 int
7157 setlayout(char *selector, char *value, int flags)
7158 {
7159         int                     ws_id, i, x, mg, ma, si, ar, f = 0;
7160         int                     st = SWM_V_STACK, num_screens;
7161         char                    s[1024];
7162         struct workspace        *ws;
7163
7164         /* suppress unused warnings since vars are needed */
7165         (void)selector;
7166         (void)flags;
7167
7168         if (getenv("SWM_STARTED"))
7169                 return (0);
7170
7171         bzero(s, sizeof s);
7172         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
7173             &ws_id, &mg, &ma, &si, &ar, s) != 6)
7174                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
7175                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
7176                     "<type>'");
7177         ws_id--;
7178         if (ws_id < 0 || ws_id >= workspace_limit)
7179                 errx(1, "layout: invalid workspace %d", ws_id + 1);
7180
7181         if (!strcasecmp(s, "vertical"))
7182                 st = SWM_V_STACK;
7183         else if (!strcasecmp(s, "vertical_flip")) {
7184                 st = SWM_V_STACK;
7185                 f = 1;
7186         } else if (!strcasecmp(s, "horizontal"))
7187                 st = SWM_H_STACK;
7188         else if (!strcasecmp(s, "horizontal_flip")) {
7189                 st = SWM_H_STACK;
7190                 f = 1;
7191         } else if (!strcasecmp(s, "fullscreen"))
7192                 st = SWM_MAX_STACK;
7193         else
7194                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
7195                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
7196                     "<type>'");
7197
7198         num_screens = get_screen_count();
7199         for (i = 0; i < num_screens; i++) {
7200                 ws = (struct workspace *)&screens[i].ws;
7201                 ws[ws_id].cur_layout = &layouts[st];
7202
7203                 ws[ws_id].always_raise = ar;
7204                 if (st == SWM_MAX_STACK)
7205                         continue;
7206
7207                 /* master grow */
7208                 for (x = 0; x < abs(mg); x++) {
7209                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7210                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
7211                             SWM_ARG_ID_MASTERSHRINK);
7212                         stack();
7213                 }
7214                 /* master add */
7215                 for (x = 0; x < abs(ma); x++) {
7216                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7217                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
7218                             SWM_ARG_ID_MASTERDEL);
7219                         stack();
7220                 }
7221                 /* stack inc */
7222                 for (x = 0; x < abs(si); x++) {
7223                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7224                             si >= 0 ?  SWM_ARG_ID_STACKINC :
7225                             SWM_ARG_ID_STACKDEC);
7226                         stack();
7227                 }
7228                 /* Apply flip */
7229                 if (f) {
7230                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7231                             SWM_ARG_ID_FLIPLAYOUT);
7232                         stack();
7233                 }
7234         }
7235
7236         focus_flush();
7237
7238         return (0);
7239 }
7240
7241 /* config options */
7242 struct config_option {
7243         char                    *optname;
7244         int                     (*func)(char*, char*, int);
7245         int                     funcflags;
7246 };
7247 struct config_option configopt[] = {
7248         { "autorun",                    setautorun,     0 },
7249         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
7250         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
7251         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
7252         { "bar_border_unfocus",         setconfcolor,   SWM_S_COLOR_BAR_BORDER_UNFOCUS },
7253         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
7254         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
7255         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
7256         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
7257         { "bar_enabled_ws",             setconfvalue,   SWM_S_BAR_ENABLED_WS },
7258         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
7259         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
7260         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
7261         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
7262         { "bind",                       setconfbinding, 0 },
7263         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
7264         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
7265         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
7266         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
7267         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
7268         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
7269         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
7270         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
7271         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
7272         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
7273         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
7274         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
7275         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
7276         { "keyboard_mapping",           setkeymapping,  0 },
7277         { "layout",                     setlayout,      0 },
7278         { "modkey",                     setconfmodkey,  0 },
7279         { "program",                    setconfspawn,   0 },
7280         { "quirk",                      setconfquirk,   0 },
7281         { "region",                     setconfregion,  0 },
7282         { "region_padding",             setconfvalue,   SWM_S_REGION_PADDING },
7283         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
7284         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
7285         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
7286         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
7287         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
7288         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
7289         { "tile_gap",                   setconfvalue,   SWM_S_TILE_GAP },
7290         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
7291         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
7292         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
7293         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
7294         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
7295         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
7296 };
7297
7298 void
7299 _add_startup_exception(const char *fmt, va_list ap)
7300 {
7301         if (vasprintf(&startup_exception, fmt, ap) == -1)
7302                 warn("%s: asprintf", __func__);
7303 }
7304
7305 void
7306 add_startup_exception(const char *fmt, ...)
7307 {
7308         va_list ap;
7309
7310         nr_exceptions++;
7311
7312         if (startup_exception)
7313                 return;
7314
7315         /* force bar to be enabled due to exception */
7316         bar_enabled = 1;
7317
7318         va_start(ap, fmt);
7319         _add_startup_exception(fmt, ap);
7320         va_end(ap);
7321 }
7322
7323 int
7324 conf_load(const char *filename, int keymapping)
7325 {
7326         FILE                    *config;
7327         char                    *line = NULL, *cp, *optsub, *optval = NULL;
7328         size_t                  linelen, lineno = 0;
7329         int                     wordlen, i, optidx;
7330         struct config_option    *opt = NULL;
7331
7332         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
7333
7334         if (filename == NULL) {
7335                 warnx("conf_load: no filename");
7336                 return (1);
7337         }
7338
7339         DNPRINTF(SWM_D_CONF, "conf_load: open %s\n", filename);
7340
7341         if ((config = fopen(filename, "r")) == NULL) {
7342                 warn("conf_load: fopen: %s", filename);
7343                 return (1);
7344         }
7345
7346         while (!feof(config)) {
7347                 if (line)
7348                         free(line);
7349
7350                 if ((line = fparseln(config, &linelen, &lineno, NULL,
7351                     FPARSELN_UNESCCOMM | FPARSELN_UNESCCONT)) == NULL) {
7352                         if (ferror(config))
7353                                 err(1, "%s", filename);
7354                         else
7355                                 continue;
7356                 }
7357                 cp = line;
7358                 cp += strspn(cp, " \t\n"); /* eat whitespace */
7359                 if (cp[0] == '\0') {
7360                         /* empty line */
7361                         continue;
7362                 }
7363                 /* get config option */
7364                 wordlen = strcspn(cp, "=[ \t\n");
7365                 if (wordlen == 0) {
7366                         add_startup_exception("%s: line %zd: no option found",
7367                             filename, lineno);
7368                         continue;
7369                 }
7370                 optidx = -1;
7371                 for (i = 0; i < LENGTH(configopt); i++) {
7372                         opt = &configopt[i];
7373                         if (!strncasecmp(cp, opt->optname, wordlen) &&
7374                             (int)strlen(opt->optname) == wordlen) {
7375                                 optidx = i;
7376                                 break;
7377                         }
7378                 }
7379                 if (optidx == -1) {
7380                         add_startup_exception("%s: line %zd: unknown option "
7381                             "%.*s", filename, lineno, wordlen, cp);
7382                         continue;
7383                 }
7384                 if (keymapping && opt && strcmp(opt->optname, "bind")) {
7385                         add_startup_exception("%s: line %zd: invalid option "
7386                             "%.*s", filename, lineno, wordlen, cp);
7387                         continue;
7388                 }
7389                 cp += wordlen;
7390                 cp += strspn(cp, " \t\n"); /* eat whitespace */
7391
7392                 /* from here on out we call goto invalid to continue */
7393
7394                 /* get [selector] if any */
7395                 optsub = NULL;
7396                 if (*cp == '[') {
7397                         cp++;
7398                         wordlen = strcspn(cp, "]");
7399                         if (*cp != ']') {
7400                                 if (wordlen == 0) {
7401                                         add_startup_exception("%s: line %zd: "
7402                                             "syntax error", filename, lineno);
7403                                         goto invalid;
7404                                 }
7405
7406                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
7407                                     -1) {
7408                                         add_startup_exception("%s: line %zd: "
7409                                             "unable to allocatememory for "
7410                                             "selector", filename, lineno);
7411                                         goto invalid;
7412                                 }
7413                         }
7414                         cp += wordlen;
7415                         cp += strspn(cp, "] \t\n"); /* eat trailing */
7416                 }
7417                 cp += strspn(cp, "= \t\n"); /* eat trailing */
7418                 /* get RHS value */
7419                 optval = strdup(cp);
7420                 if (strlen(optval) == 0) {
7421                         add_startup_exception("%s: line %zd: must supply value "
7422                             "to %s", filename, lineno,
7423                             configopt[optidx].optname);
7424                         goto invalid;
7425                 }
7426                 /* call function to deal with it all */
7427                 if (configopt[optidx].func(optsub, optval,
7428                     configopt[optidx].funcflags) != 0) {
7429                         add_startup_exception("%s: line %zd: invalid data for "
7430                             "%s", filename, lineno, configopt[optidx].optname);
7431                         goto invalid;
7432                 }
7433 invalid:
7434                 if (optval) {
7435                         free(optval);
7436                         optval = NULL;
7437                 }
7438                 if (optsub) {
7439                         free(optsub);
7440                         optsub = NULL;
7441                 }
7442         }
7443
7444         if (line)
7445                 free(line);
7446         fclose(config);
7447         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
7448
7449         return (0);
7450 }
7451
7452 void
7453 set_child_transient(struct ws_win *win, xcb_window_t *trans)
7454 {
7455         struct ws_win           *parent, *w;
7456         struct swm_region       *r;
7457         struct workspace        *ws;
7458         xcb_icccm_wm_hints_t    wmh;
7459
7460         parent = find_window(win->transient);
7461         if (parent)
7462                 parent->focus_child = win;
7463         else {
7464                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
7465                     " for 0x%x trans 0x%x\n", win->id, win->transient);
7466
7467                 r = root_to_region(win->wa->root, SWM_CK_ALL);
7468                 ws = r->ws;
7469                 /* parent doen't exist in our window list */
7470                 TAILQ_FOREACH(w, &ws->winlist, entry) {
7471                         if (xcb_icccm_get_wm_hints_reply(conn,
7472                             xcb_icccm_get_wm_hints(conn, w->id),
7473                             &wmh, NULL) != 1) {
7474                                 warnx("can't get hints for 0x%x", w->id);
7475                                 continue;
7476                         }
7477
7478                         if (win->hints.window_group != wmh.window_group)
7479                                 continue;
7480
7481                         w->focus_child = win;
7482                         win->transient = w->id;
7483                         *trans = w->id;
7484                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
7485                             "transient to 0x%x\n", win->transient);
7486                         break;
7487                 }
7488         }
7489 }
7490
7491 pid_t
7492 window_get_pid(xcb_window_t win)
7493 {
7494         pid_t                           ret = 0;
7495         const char                      *errstr;
7496         xcb_atom_t                      apid;
7497         xcb_get_property_cookie_t       pc;
7498         xcb_get_property_reply_t        *pr;
7499
7500         apid = get_atom_from_string("_NET_WM_PID");
7501         if (apid == XCB_ATOM_NONE)
7502                 goto tryharder;
7503
7504         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
7505         pr = xcb_get_property_reply(conn, pc, NULL);
7506         if (!pr)
7507                 goto tryharder;
7508         if (pr->type != XCB_ATOM_CARDINAL) {
7509                 free(pr);
7510                 goto tryharder;
7511         }
7512
7513         if (pr->type == apid && pr->format == 32)
7514                 ret = *((pid_t *)xcb_get_property_value(pr));
7515         free(pr);
7516
7517         return (ret);
7518
7519 tryharder:
7520         apid = get_atom_from_string("_SWM_PID");
7521         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
7522             0, SWM_PROPLEN);
7523         pr = xcb_get_property_reply(conn, pc, NULL);
7524         if (!pr)
7525                 return (0);
7526         if (pr->type != apid) {
7527                 free(pr);
7528                 return (0);
7529         }
7530
7531         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
7532         free(pr);
7533
7534         return (ret);
7535 }
7536
7537 int
7538 get_ws_idx(xcb_window_t id)
7539 {
7540         int                     ws_idx = -1;
7541         char                    *prop = NULL;
7542         size_t                  proplen;
7543         const char              *errstr;
7544         xcb_get_property_reply_t        *gpr;
7545
7546         gpr = xcb_get_property_reply(conn,
7547                 xcb_get_property(conn, 0, id, a_swm_ws,
7548                     XCB_ATOM_STRING, 0, SWM_PROPLEN),
7549                 NULL);
7550         if (!gpr)
7551                 return (-1);
7552         if (gpr->type) {
7553                 proplen = xcb_get_property_value_length(gpr);
7554                 if (proplen > 0) {
7555                         prop = malloc(proplen + 1);
7556                         if (prop) {
7557                                 memcpy(prop,
7558                                     xcb_get_property_value(gpr),
7559                                     proplen);
7560                                 prop[proplen] = '\0';
7561                         }
7562                 }
7563         }
7564         free(gpr);
7565
7566         if (prop) {
7567                 DNPRINTF(SWM_D_PROP, "get_ws_idx: _SWM_WS: %s\n", prop);
7568                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1, &errstr);
7569                 if (errstr) {
7570                         DNPRINTF(SWM_D_PROP, "get_ws_idx: window: #%s: %s",
7571                             errstr, prop);
7572                 }
7573                 free(prop);
7574         }
7575
7576         return ws_idx;
7577 }
7578
7579 struct ws_win *
7580 manage_window(xcb_window_t id, uint16_t mapped)
7581 {
7582         xcb_window_t            trans = XCB_WINDOW_NONE;
7583         struct ws_win           *win, *ww;
7584         int                     ws_idx;
7585         char                    ws_idx_str[SWM_PROPLEN];
7586         struct swm_region       *r;
7587         struct pid_e            *p;
7588         struct quirk            *qp;
7589         uint32_t                i, wa[2];
7590         xcb_icccm_get_wm_protocols_reply_t      wpr;
7591
7592         if ((win = find_window(id)) != NULL) {
7593                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x already "
7594                     "managed; skipping.)\n", id);
7595                 return (win);   /* Already managed. */
7596         }
7597
7598         /* See if window is on the unmanaged list. */
7599         if ((win = find_unmanaged_window(id)) != NULL) {
7600                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x found on "
7601                     "unmanaged list.\n", id);
7602                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
7603
7604                 if (win->transient)
7605                         set_child_transient(win, &trans);
7606
7607                 goto out;
7608         } else {
7609                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x is new.\n", id);
7610         }
7611
7612         /* Create and initialize ws_win object. */
7613         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
7614                 err(1, "manage_window: calloc: failed to allocate memory for "
7615                     "new window");
7616
7617         win->id = id;
7618
7619         /* Get window geometry. */
7620         win->wa = xcb_get_geometry_reply(conn,
7621             xcb_get_geometry(conn, win->id),
7622             NULL);
7623
7624         /* Figure out which region the window belongs to. */
7625         r = root_to_region(win->wa->root, SWM_CK_ALL);
7626
7627         /* Ignore window border if there is one. */
7628         WIDTH(win) = win->wa->width;
7629         HEIGHT(win) = win->wa->height;
7630         X(win) = win->wa->x + win->wa->border_width - border_width;
7631         Y(win) = win->wa->y + win->wa->border_width - border_width;
7632         win->bordered = 1;
7633         win->mapped = mapped;
7634         win->floatmaxed = 0;
7635         win->ewmh_flags = 0;
7636         win->s = r->s;  /* this never changes */
7637
7638         store_float_geom(win, r);
7639
7640         /* Get WM_SIZE_HINTS. */
7641         xcb_icccm_get_wm_normal_hints_reply(conn,
7642             xcb_icccm_get_wm_normal_hints(conn, win->id),
7643             &win->sh, NULL);
7644
7645         /* Get WM_HINTS. */
7646         xcb_icccm_get_wm_hints_reply(conn,
7647             xcb_icccm_get_wm_hints(conn, win->id),
7648             &win->hints, NULL);
7649
7650         /* Get WM_TRANSIENT_FOR; see if window is a transient. */
7651         xcb_icccm_get_wm_transient_for_reply(conn,
7652             xcb_icccm_get_wm_transient_for(conn, win->id),
7653             &trans, NULL);
7654         if (trans) {
7655                 win->transient = trans;
7656                 set_child_transient(win, &win->transient);
7657         }
7658
7659         /* Get supported protocols. */
7660         if (xcb_icccm_get_wm_protocols_reply(conn,
7661             xcb_icccm_get_wm_protocols(conn, win->id, a_prot),
7662             &wpr, NULL)) {
7663                 for (i = 0; i < wpr.atoms_len; i++) {
7664                         if (wpr.atoms[i] == a_takefocus)
7665                                 win->take_focus = 1;
7666                         if (wpr.atoms[i] == a_delete)
7667                                 win->can_delete = 1;
7668                 }
7669                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
7670         }
7671
7672         win->iconic = get_swm_iconic(win);
7673
7674         /* Figure out which workspace the window belongs to. */
7675         if ((p = find_pid(window_get_pid(win->id))) != NULL) {
7676                 win->ws = &r->s->ws[p->ws];
7677                 TAILQ_REMOVE(&pidlist, p, entry);
7678                 free(p);
7679                 p = NULL;
7680         } else if ((ws_idx = get_ws_idx(win->id)) != -1 &&
7681             !win->transient) {
7682                 /* _SWM_WS is set; use that. */
7683                 win->ws = &r->s->ws[ws_idx];
7684         } else if (trans && (ww = find_window(trans)) != NULL) {
7685                 /* Launch transients in the same ws as parent. */
7686                 win->ws = ww->ws;
7687         } else {
7688                 win->ws = r->ws;
7689         }
7690
7691         /* Set the _SWM_WS atom so we can remember this after reincarnation. */
7692         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", win->ws->idx) <
7693             SWM_PROPLEN) {
7694                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
7695                     ws_idx_str);
7696                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
7697                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
7698                     ws_idx_str);
7699         }
7700
7701         /* Handle EWMH */
7702         ewmh_autoquirk(win);
7703
7704         /* Determine initial quirks. */
7705         if (xcb_icccm_get_wm_class_reply(conn,
7706             xcb_icccm_get_wm_class(conn, win->id),
7707             &win->ch, NULL)) {
7708                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
7709                     win->ch.class_name, win->ch.instance_name);
7710
7711                 /* java is retarded so treat it special */
7712                 if (strstr(win->ch.instance_name, "sun-awt")) {
7713                         DNPRINTF(SWM_D_CLASS, "manage_window: java window "
7714                             "detected.\n");
7715                         win->java = 1;
7716                 }
7717
7718                 TAILQ_FOREACH(qp, &quirks, entry) {
7719                         if (!strcmp(win->ch.class_name, qp->class) &&
7720                             !strcmp(win->ch.instance_name, qp->name)) {
7721                                 DNPRINTF(SWM_D_CLASS, "manage_window: on quirks"
7722                                     "list; mask: 0x%lx\n", qp->quirk);
7723                                 if (qp->quirk & SWM_Q_FLOAT)
7724                                         win->floating = 1;
7725                                 win->quirks = qp->quirk;
7726                         }
7727                 }
7728         }
7729
7730         /* Alter window position if quirky */
7731         if (win->quirks & SWM_Q_ANYWHERE)
7732                 win->manual = 1;
7733
7734         /* Reset font sizes (the bruteforce way; no default keybinding). */
7735         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
7736                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7737                         fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
7738                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7739                         fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
7740         }
7741
7742         /* Make sure window is positioned inside its region, if its active. */
7743         if (win->ws->r) {
7744                 constrain_window(win, win->ws->r, 0);
7745                 update_window(win);
7746         }
7747
7748         /* Select which X events to monitor and set border pixel color. */
7749         wa[0] = win->s->c[SWM_S_COLOR_UNFOCUS].pixel;
7750         wa[1] = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_PROPERTY_CHANGE |
7751             XCB_EVENT_MASK_STRUCTURE_NOTIFY;
7752 #ifdef SWM_DEBUG
7753         wa[1] |= XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE;
7754 #endif
7755
7756         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL |
7757             XCB_CW_EVENT_MASK, wa);
7758
7759 out:
7760         /* Figure out where to stack the window in the workspace. */
7761         if (trans && (ww = find_window(trans)))
7762                 TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
7763         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
7764                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
7765                     entry);
7766         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
7767                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
7768         else switch (spawn_position) {
7769         default:
7770         case SWM_STACK_TOP:
7771         case SWM_STACK_ABOVE:
7772                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
7773                 break;
7774         case SWM_STACK_BOTTOM:
7775         case SWM_STACK_BELOW:
7776                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
7777         }
7778
7779         /* Get initial _NET_WM_STATE */
7780         ewmh_get_win_state(win);
7781         /* Set initial _NET_WM_ALLOWED_ACTIONS */
7782         ewmh_update_actions(win);
7783
7784         grabbuttons(win);
7785
7786         DNPRINTF(SWM_D_MISC, "manage_window: done. window: 0x%x, (x,y) w x h: "
7787             "(%d,%d) %d x %d, ws: %d, iconic: %s, transient: 0x%x\n", win->id,
7788             X(win), Y(win), WIDTH(win), HEIGHT(win), win->ws->idx,
7789             YESNO(win->iconic), win->transient);
7790
7791         return (win);
7792 }
7793
7794 void
7795 free_window(struct ws_win *win)
7796 {
7797         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
7798
7799         if (win == NULL)
7800                 return;
7801
7802         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
7803
7804         if (win->wa)
7805                 free(win->wa);
7806
7807         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
7808
7809         kill_refs(win);
7810
7811         /* paint memory */
7812         memset(win, 0xff, sizeof *win); /* XXX kill later */
7813
7814         free(win);
7815         DNPRINTF(SWM_D_MISC, "free_window: done.\n");
7816 }
7817
7818 void
7819 unmanage_window(struct ws_win *win)
7820 {
7821         struct ws_win           *parent;
7822
7823         if (win == NULL)
7824                 return;
7825
7826         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
7827
7828         if (win->transient) {
7829                 parent = find_window(win->transient);
7830                 if (parent)
7831                         parent->focus_child = NULL;
7832         }
7833
7834         TAILQ_REMOVE(&win->ws->winlist, win, entry);
7835         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
7836 }
7837
7838 void
7839 expose(xcb_expose_event_t *e)
7840 {
7841         int                     i, num_screens;
7842         struct swm_region       *r;
7843
7844         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
7845
7846         num_screens = get_screen_count();
7847         for (i = 0; i < num_screens; i++)
7848                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7849                         if (e->window == WINID(r->bar))
7850                                 bar_draw();
7851
7852         xcb_flush(conn);
7853 }
7854
7855 #ifdef SWM_DEBUG
7856 void
7857 focusin(xcb_focus_in_event_t *e)
7858 {
7859         DNPRINTF(SWM_D_EVENT, "focusin: window: 0x%x, mode: %s(%u), "
7860             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
7861             e->mode, get_notify_detail_label(e->detail), e->detail);
7862 }
7863
7864 void
7865 focusout(xcb_focus_out_event_t *e)
7866 {
7867         DNPRINTF(SWM_D_EVENT, "focusout: window: 0x%x, mode: %s(%u), "
7868             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
7869             e->mode, get_notify_detail_label(e->detail), e->detail);
7870 }
7871 #endif
7872
7873 void
7874 keypress(xcb_key_press_event_t *e)
7875 {
7876         xcb_keysym_t            keysym;
7877         struct key              *kp;
7878
7879         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
7880
7881         DNPRINTF(SWM_D_EVENT, "keypress: keysym: %u, win (x,y): 0x%x (%d,%d), "
7882             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
7883             "state: %u, same_screen: %s\n", keysym, e->event, e->event_x,
7884             e->event_y, e->detail, e->time, e->root, e->root_x, e->root_y,
7885             e->child, e->state, YESNO(e->same_screen));
7886
7887         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
7888                 goto out;
7889
7890         last_event_time = e->time;
7891
7892         if (kp->funcid == KF_SPAWN_CUSTOM)
7893                 spawn_custom(root_to_region(e->root, SWM_CK_ALL),
7894                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
7895         else if (keyfuncs[kp->funcid].func)
7896                 keyfuncs[kp->funcid].func(root_to_region(e->root, SWM_CK_ALL),
7897                     &(keyfuncs[kp->funcid].args));
7898
7899 out:
7900         /* Unfreeze grab events. */
7901         xcb_allow_events(conn, XCB_ALLOW_ASYNC_KEYBOARD, e->time);
7902         xcb_flush(conn);
7903
7904         DNPRINTF(SWM_D_EVENT, "keypress: done.\n");
7905 }
7906
7907 void
7908 buttonpress(xcb_button_press_event_t *e)
7909 {
7910         struct ws_win           *win = NULL;
7911         struct swm_region       *r, *old_r;
7912         int                     i;
7913         int                     handled = 0;
7914
7915         DNPRINTF(SWM_D_EVENT, "buttonpress: win (x,y): 0x%x (%d,%d), "
7916             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
7917             "state: %u, same_screen: %s\n", e->event, e->event_x, e->event_y,
7918             e->detail, e->time, e->root, e->root_x, e->root_y, e->child,
7919             e->state, YESNO(e->same_screen));
7920
7921         if (e->event == e->root) {
7922                 if (e->child != 0) {
7923                         win = find_window(e->child);
7924                         /* Pass ButtonPress to window if it isn't managed. */
7925                         if (win == NULL)
7926                                 goto out;
7927                 } else {
7928                         /* Focus on empty region */
7929                         /* If no windows on region if its empty. */
7930                         r = root_to_region(e->root, SWM_CK_POINTER);
7931                         if (r == NULL) {
7932                                 DNPRINTF(SWM_D_EVENT, "buttonpress: "
7933                                     "NULL region; ignoring.\n");
7934                                 goto out;
7935                         }
7936
7937                         if (TAILQ_EMPTY(&r->ws->winlist)) {
7938                                 old_r = root_to_region(e->root, SWM_CK_FOCUS);
7939                                 if (old_r && old_r != r)
7940                                         unfocus_win(old_r->ws->focus);
7941
7942                                 xcb_set_input_focus(conn,
7943                                     XCB_INPUT_FOCUS_PARENT, e->root, e->time);
7944
7945                                 /* Clear bar since empty. */
7946                                 bar_draw();
7947
7948                                 handled = 1;
7949                                 goto out;
7950                         }
7951                 }
7952         } else {
7953                 win = find_window(e->event);
7954         }
7955
7956         if (win == NULL)
7957                 goto out;
7958
7959         last_event_time = e->time;
7960
7961         focus_win(get_focus_magic(win));
7962
7963         for (i = 0; i < LENGTH(buttons); i++)
7964                 if (client_click == buttons[i].action && buttons[i].func &&
7965                     buttons[i].button == e->detail &&
7966                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state)) {
7967                         buttons[i].func(win, &buttons[i].args);
7968                         handled = 1;
7969                 }
7970
7971 out:
7972         if (!handled) {
7973                 DNPRINTF(SWM_D_EVENT, "buttonpress: passing to window.\n");
7974                 /* Replay event to event window */
7975                 xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, e->time);
7976         } else {
7977                 DNPRINTF(SWM_D_EVENT, "buttonpress: handled.\n");
7978                 /* Unfreeze grab events. */
7979                 xcb_allow_events(conn, XCB_ALLOW_SYNC_POINTER, e->time);
7980         }
7981
7982         xcb_flush(conn);
7983 }
7984
7985 #ifdef SWM_DEBUG
7986 void
7987 print_win_geom(xcb_window_t w)
7988 {
7989         xcb_get_geometry_reply_t        *wa;
7990
7991         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
7992
7993         if (!wa) {
7994                 DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: 0x%x\n",
7995                     w);
7996                 return;
7997         }
7998
7999         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
8000             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
8001             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
8002             wa->border_width);
8003
8004         free(wa);
8005 }
8006 #endif
8007
8008 #ifdef SWM_DEBUG
8009 char *
8010 get_stack_mode_name(uint8_t mode)
8011 {
8012         char    *name;
8013
8014         switch(mode) {
8015         case XCB_STACK_MODE_ABOVE:
8016                 name = "Above";
8017                 break;
8018         case XCB_STACK_MODE_BELOW:
8019                 name = "Below";
8020                 break;
8021         case XCB_STACK_MODE_TOP_IF:
8022                 name = "TopIf";
8023                 break;
8024         case XCB_STACK_MODE_BOTTOM_IF:
8025                 name = "BottomIf";
8026                 break;
8027         case XCB_STACK_MODE_OPPOSITE:
8028                 name = "Opposite";
8029                 break;
8030         default:
8031                 name = "Unknown";
8032         }
8033
8034         return name;
8035 }
8036 #endif
8037
8038 void
8039 configurerequest(xcb_configure_request_event_t *e)
8040 {
8041         struct ws_win           *win;
8042         struct swm_region       *r = NULL;
8043         int                     new = 0, i = 0;
8044         uint16_t                mask = 0;
8045         uint32_t                wc[7] = {0};
8046
8047         if ((win = find_window(e->window)) == NULL)
8048                 if ((win = find_unmanaged_window(e->window)) == NULL)
8049                         new = 1;
8050
8051 #ifdef SWM_DEBUG
8052         if (swm_debug & SWM_D_EVENT) {
8053                 print_win_geom(e->window);
8054
8055                 DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%x, "
8056                     "parent: 0x%x, new: %s, value_mask: %u { ", e->window,
8057                     e->parent, YESNO(new), e->value_mask);
8058                 if (e->value_mask & XCB_CONFIG_WINDOW_X)
8059                         DPRINTF("X: %d ", e->x);
8060                 if (e->value_mask & XCB_CONFIG_WINDOW_Y)
8061                         DPRINTF("Y: %d ", e->y);
8062                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
8063                         DPRINTF("W: %u ", e->width);
8064                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
8065                         DPRINTF("H: %u ", e->height);
8066                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
8067                         DPRINTF("Border: %u ", e->border_width);
8068                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING)
8069                         DPRINTF("Sibling: 0x%x ", e->sibling);
8070                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE)
8071                         DPRINTF("StackMode: %s(%u) ",
8072                             get_stack_mode_name(e->stack_mode), e->stack_mode);
8073                 DPRINTF("}\n");
8074         }
8075 #endif
8076
8077         if (new) {
8078                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
8079                         mask |= XCB_CONFIG_WINDOW_X;
8080                         wc[i++] = e->x;
8081                 }
8082                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
8083                         mask |= XCB_CONFIG_WINDOW_Y;
8084                         wc[i++] = e->y;
8085                 }
8086                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
8087                         mask |= XCB_CONFIG_WINDOW_WIDTH;
8088                         wc[i++] = e->width;
8089                 }
8090                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
8091                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
8092                         wc[i++] = e->height;
8093                 }
8094                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
8095                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
8096                         wc[i++] = e->border_width;
8097                 }
8098                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
8099                         mask |= XCB_CONFIG_WINDOW_SIBLING;
8100                         wc[i++] = e->sibling;
8101                 }
8102                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
8103                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
8104                         wc[i++] = e->stack_mode;
8105                 }
8106
8107                 if (mask != 0) {
8108                         xcb_configure_window(conn, e->window, mask, wc);
8109                         xcb_flush(conn);
8110                 }
8111         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
8112             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
8113                 if (win->ws->r)
8114                         r = win->ws->r;
8115                 else if (win->ws->old_r)
8116                         r = win->ws->old_r;
8117
8118                 /* windows are centered unless ANYWHERE quirk is set. */
8119                 if (win->quirks & SWM_Q_ANYWHERE) {
8120                         if (e->value_mask & XCB_CONFIG_WINDOW_X) {
8121                                 win->g_float.x = e->x;
8122                                 if (r)
8123                                         win->g_float.x -= X(r);
8124                         }
8125
8126                         if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
8127                                 win->g_float.y = e->y;
8128                                 if (r)
8129                                         win->g_float.y -= Y(r);
8130                         }
8131                 }
8132
8133                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
8134                         win->g_float.w = e->width;
8135
8136                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
8137                         win->g_float.h = e->height;
8138
8139                 win->g_floatvalid = 1;
8140
8141                 if (win->floating && r && (win->transient ||
8142                     win->ws->cur_layout != &layouts[SWM_MAX_STACK])) {
8143                         WIDTH(win) = win->g_float.w;
8144                         HEIGHT(win) = win->g_float.h;
8145
8146                         if (r) {
8147                                 stack_floater(win, r);
8148                                 focus_flush();
8149                         }
8150                 } else {
8151                         config_win(win, e);
8152                         xcb_flush(conn);
8153                 }
8154         } else {
8155                 config_win(win, e);
8156                 xcb_flush(conn);
8157         }
8158
8159         DNPRINTF(SWM_D_EVENT, "configurerequest: done.\n");
8160 }
8161
8162 void
8163 configurenotify(xcb_configure_notify_event_t *e)
8164 {
8165         struct ws_win           *win;
8166
8167         DNPRINTF(SWM_D_EVENT, "configurenotify: win 0x%x, event win: 0x%x, "
8168             "(x,y) WxH: (%d,%d) %ux%u, border: %u, above_sibling: 0x%x, "
8169             "override_redirect: %s\n", e->window, e->event, e->x, e->y,
8170             e->width, e->height, e->border_width, e->above_sibling,
8171             YESNO(e->override_redirect));
8172
8173         win = find_window(e->window);
8174         if (win) {
8175                 xcb_icccm_get_wm_normal_hints_reply(conn,
8176                     xcb_icccm_get_wm_normal_hints(conn, win->id),
8177                     &win->sh, NULL);
8178                 adjust_font(win);
8179                 if (font_adjusted) {
8180                         stack();
8181                         xcb_flush(conn);
8182                 }
8183         }
8184 }
8185
8186 void
8187 destroynotify(xcb_destroy_notify_event_t *e)
8188 {
8189         struct ws_win           *win;
8190
8191         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
8192
8193         if ((win = find_window(e->window)) == NULL) {
8194                 if ((win = find_unmanaged_window(e->window)) == NULL)
8195                         return;
8196                 free_window(win);
8197                 return;
8198         }
8199
8200         if (focus_mode != SWM_FOCUS_FOLLOW) {
8201                 /* If we were focused, make sure we focus on something else. */
8202                 if (win == win->ws->focus)
8203                         win->ws->focus_pending = get_focus_prev(win);
8204         }
8205
8206         unmanage_window(win);
8207         stack();
8208
8209         if (focus_mode != SWM_FOCUS_FOLLOW) {
8210                 if (win->ws->focus_pending) {
8211                         focus_win(win->ws->focus_pending);
8212                         win->ws->focus_pending = NULL;
8213                 } else if (win == win->ws->focus && win->ws->r) {
8214                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
8215                             win->ws->r->id, XCB_CURRENT_TIME);
8216                 }
8217         }
8218
8219         free_window(win);
8220
8221         focus_flush();
8222 }
8223
8224 #ifdef SWM_DEBUG
8225 char *
8226 get_notify_detail_label(uint8_t detail)
8227 {
8228         char *label;
8229
8230         switch (detail) {
8231         case XCB_NOTIFY_DETAIL_ANCESTOR:
8232                 label = "Ancestor";
8233                 break;
8234         case XCB_NOTIFY_DETAIL_VIRTUAL:
8235                 label = "Virtual";
8236                 break;
8237         case XCB_NOTIFY_DETAIL_INFERIOR:
8238                 label = "Inferior";
8239                 break;
8240         case XCB_NOTIFY_DETAIL_NONLINEAR:
8241                 label = "Nonlinear";
8242                 break;
8243         case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
8244                 label = "NonlinearVirtual";
8245                 break;
8246         case XCB_NOTIFY_DETAIL_POINTER:
8247                 label = "Pointer";
8248                 break;
8249         case XCB_NOTIFY_DETAIL_POINTER_ROOT:
8250                 label = "PointerRoot";
8251                 break;
8252         case XCB_NOTIFY_DETAIL_NONE:
8253                 label = "None";
8254                 break;
8255         default:
8256                 label = "Unknown";
8257         }
8258
8259         return label;
8260 }
8261
8262 char *
8263 get_notify_mode_label(uint8_t mode)
8264 {
8265         char *label;
8266
8267         switch (mode) {
8268         case XCB_NOTIFY_MODE_NORMAL:
8269                 label = "Normal";
8270                 break;
8271         case XCB_NOTIFY_MODE_GRAB:
8272                 label = "Grab";
8273                 break;
8274         case XCB_NOTIFY_MODE_UNGRAB:
8275                 label = "Ungrab";
8276                 break;
8277         case XCB_NOTIFY_MODE_WHILE_GRABBED:
8278                 label = "WhileGrabbed";
8279                 break;
8280         default:
8281                 label = "Unknown";
8282         }
8283
8284         return label;
8285 }
8286 #endif
8287
8288 void
8289 enternotify(xcb_enter_notify_event_t *e)
8290 {
8291         struct ws_win           *win;
8292         struct swm_region       *r;
8293
8294         DNPRINTF(SWM_D_FOCUS, "enternotify: time: %u, win (x,y): 0x%x "
8295             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8296             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8297             e->time, e->event, e->event_x, e->event_y,
8298             get_notify_mode_label(e->mode), e->mode,
8299             get_notify_detail_label(e->detail), e->detail,
8300             e->root, e->root_x, e->root_y, e->child,
8301             YESNO(e->same_screen_focus), e->state);
8302
8303         if (focus_mode == SWM_FOCUS_MANUAL &&
8304             e->mode == XCB_NOTIFY_MODE_NORMAL) {
8305                 DNPRINTF(SWM_D_EVENT, "enternotify: manual focus; ignoring.\n");
8306                 return;
8307         }
8308
8309         last_event_time = e->time;
8310
8311         if ((win = find_window(e->event)) == NULL) {
8312                 if (e->event == e->root) {
8313                         /* If no windows on pointer region, then focus root. */
8314                         r = root_to_region(e->root, SWM_CK_POINTER);
8315                         if (r == NULL) {
8316                                 DNPRINTF(SWM_D_EVENT, "enternotify: "
8317                                     "NULL region; ignoring.\n");
8318                                 return;
8319                         }
8320
8321                         focus_region(r);
8322                 } else {
8323                         DNPRINTF(SWM_D_EVENT, "enternotify: window is NULL; "
8324                             "ignoring\n");
8325                         return;
8326                 }
8327         } else {
8328                 focus_win(get_focus_magic(win));
8329         }
8330
8331         xcb_flush(conn);
8332 }
8333
8334 #ifdef SWM_DEBUG
8335 void
8336 leavenotify(xcb_leave_notify_event_t *e)
8337 {
8338         DNPRINTF(SWM_D_FOCUS, "leavenotify: time: %u, win (x,y): 0x%x "
8339             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8340             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8341             e->time, e->event, e->event_x, e->event_y,
8342             get_notify_mode_label(e->mode), e->mode,
8343             get_notify_detail_label(e->detail), e->detail,
8344             e->root, e->root_x, e->root_y, e->child,
8345             YESNO(e->same_screen_focus), e->state);
8346 }
8347 #endif
8348
8349 void
8350 mapnotify(xcb_map_notify_event_t *e)
8351 {
8352         struct ws_win           *win;
8353
8354         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
8355
8356         if ((win = find_window(e->window)) == NULL)
8357                 win = manage_window(e->window, 1);
8358
8359         win->mapped = 1;
8360         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
8361
8362         if (focus_mode != SWM_FOCUS_FOLLOW) {
8363                 if (win->ws->focus_pending == win) {
8364                         focus_win(win);
8365                         win->ws->focus_pending = NULL;
8366                         focus_flush();
8367                 }
8368         }
8369
8370         xcb_flush(conn);
8371 }
8372
8373 void
8374 mappingnotify(xcb_mapping_notify_event_t *e)
8375 {
8376         xcb_refresh_keyboard_mapping(syms, e);
8377
8378         if (e->request == XCB_MAPPING_KEYBOARD)
8379                 grabkeys();
8380 }
8381
8382 void
8383 maprequest(xcb_map_request_event_t *e)
8384 {
8385         struct ws_win           *win, *w = NULL;
8386         xcb_get_window_attributes_reply_t *war;
8387
8388         DNPRINTF(SWM_D_EVENT, "maprequest: win 0x%x\n",
8389             e->window);
8390
8391         war = xcb_get_window_attributes_reply(conn,
8392             xcb_get_window_attributes(conn, e->window),
8393             NULL);
8394         if (war == NULL) {
8395                 DNPRINTF(SWM_D_EVENT, "maprequest: window lost.\n");
8396                 goto out;
8397         }
8398
8399         if (war->override_redirect) {
8400                 DNPRINTF(SWM_D_EVENT, "maprequest: override_redirect; "
8401                     "skipping.\n");
8402                 goto out;
8403         }
8404
8405         win = manage_window(e->window,
8406             (war->map_state == XCB_MAP_STATE_VIEWABLE));
8407
8408         /* The new window should get focus; prepare. */
8409         if (focus_mode != SWM_FOCUS_FOLLOW &&
8410             !(win->quirks & SWM_Q_NOFOCUSONMAP)) {
8411                 if (win->quirks & SWM_Q_FOCUSONMAP_SINGLE) {
8412                         /* See if other wins of same type are already mapped. */
8413                         TAILQ_FOREACH(w, &win->ws->winlist, entry) {
8414                                 if (w == win || !w->mapped)
8415                                         continue;
8416
8417                                 if (!strcmp(w->ch.class_name,
8418                                     win->ch.class_name) &&
8419                                     !strcmp(w->ch.instance_name,
8420                                     win->ch.instance_name))
8421                                         break;
8422                         }
8423                 }
8424
8425                 if (w == NULL)
8426                         win->ws->focus_pending = get_focus_magic(win);
8427         }
8428
8429         /* All windows need to be mapped if they are in the current workspace.*/
8430         if (win->ws->r)
8431                 stack();
8432
8433         /* Ignore EnterNotify to handle the mapnotify without interference. */
8434         if (focus_mode == SWM_FOCUS_DEFAULT)
8435                 event_drain(XCB_ENTER_NOTIFY);
8436 out:
8437         free(war);
8438         DNPRINTF(SWM_D_EVENT, "maprequest: done.\n");
8439 }
8440
8441 void
8442 motionnotify(xcb_motion_notify_event_t *e)
8443 {
8444         struct swm_region       *r;
8445         int                     i, num_screens;
8446
8447         DNPRINTF(SWM_D_FOCUS, "motionnotify: time: %u, win (x,y): 0x%x "
8448             "(%d,%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8449             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8450             e->time, e->event, e->event_x, e->event_y,
8451             get_notify_detail_label(e->detail), e->detail,
8452             e->root, e->root_x, e->root_y, e->child,
8453             YESNO(e->same_screen), e->state);
8454
8455         last_event_time = e->time;
8456
8457         if (focus_mode == SWM_FOCUS_MANUAL)
8458                 return;
8459
8460         num_screens = get_screen_count();
8461         for (i = 0; i < num_screens; i++)
8462                 if (screens[i].root == e->root)
8463                         break;
8464
8465         TAILQ_FOREACH(r, &screens[i].rl, entry)
8466                 if (X(r) <= e->root_x && e->root_x < MAX_X(r) &&
8467                     Y(r) <= e->root_y && e->root_y < MAX_Y(r))
8468                         break;
8469
8470         focus_region(r);
8471 }
8472
8473 #ifdef SWM_DEBUG
8474 char *
8475 get_atom_name(xcb_atom_t atom)
8476 {
8477         char                            *name = NULL;
8478 #if 0
8479         /*
8480          * This should be disabled during most debugging since
8481          * xcb_get_* causes an xcb_flush.
8482          */
8483         size_t                          len;
8484         xcb_get_atom_name_reply_t       *r;
8485
8486         r = xcb_get_atom_name_reply(conn,
8487             xcb_get_atom_name(conn, atom),
8488             NULL);
8489         if (r) {
8490                 len = xcb_get_atom_name_name_length(r);
8491                 if (len > 0) {
8492                         name = malloc(len + 1);
8493                         if (name) {
8494                                 memcpy(name, xcb_get_atom_name_name(r), len);
8495                                 name[len] = '\0';
8496                         }
8497                 }
8498                 free(r);
8499         }
8500 #else
8501         (void)atom;
8502 #endif
8503         return (name);
8504 }
8505 #endif
8506
8507 void
8508 propertynotify(xcb_property_notify_event_t *e)
8509 {
8510         struct ws_win           *win;
8511         struct workspace        *ws;
8512 #ifdef SWM_DEBUG
8513         char                    *name;
8514
8515         name = get_atom_name(e->atom);
8516         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u), "
8517             "time: %#x, state: %u\n", e->window, name, e->atom, e->time,
8518             e->state);
8519         free(name);
8520 #endif
8521         win = find_window(e->window);
8522         if (win == NULL)
8523                 return;
8524
8525         ws = win->ws;
8526
8527         last_event_time = e->time;
8528
8529         if (e->atom == a_swm_iconic) {
8530                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8531                         if (focus_mode != SWM_FOCUS_FOLLOW)
8532                                 ws->focus_pending = get_focus_prev(win);
8533
8534                         unfocus_win(win);
8535                         unmap_window(win);
8536
8537                         if (ws->r) {
8538                                 stack();
8539
8540                                 if (focus_mode != SWM_FOCUS_FOLLOW) {
8541                                         if (ws->focus_pending) {
8542                                                 focus_win(ws->focus_pending);
8543                                                 ws->focus_pending = NULL;
8544                                         } else {
8545                                                 xcb_set_input_focus(conn,
8546                                                     XCB_INPUT_FOCUS_PARENT,
8547                                                     ws->r->id,
8548                                                     XCB_CURRENT_TIME);
8549                                         }
8550                                 }
8551
8552                                 focus_flush();
8553                         }
8554                 } else if (e->state == XCB_PROPERTY_DELETE) {
8555                         /* The window is no longer iconic, restack ws. */
8556                         if (focus_mode != SWM_FOCUS_FOLLOW)
8557                                 ws->focus_pending = get_focus_magic(win);
8558
8559                         stack();
8560
8561                         /* Flush EnterNotify for mapnotify, if needed. */
8562                         focus_flush();
8563                 }
8564         } else if (e->atom == a_state) {
8565                 /* State just changed, make sure it gets focused if mapped. */
8566                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8567                         if (focus_mode != SWM_FOCUS_FOLLOW) {
8568                                 if (win->mapped &&
8569                                     ws->focus_pending == win) {
8570                                         focus_win(ws->focus_pending);
8571                                         ws->focus_pending = NULL;
8572                                 }
8573                         }
8574                 }
8575         } else if (e->atom == XCB_ATOM_WM_CLASS ||
8576             e->atom == XCB_ATOM_WM_NAME) {
8577                 bar_draw();
8578         }
8579
8580         xcb_flush(conn);
8581 }
8582
8583 void
8584 unmapnotify(xcb_unmap_notify_event_t *e)
8585 {
8586         struct ws_win           *win;
8587         struct workspace        *ws;
8588
8589         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
8590
8591         /* If we aren't managing the window, then ignore. */
8592         win = find_window(e->window);
8593         if (win == NULL || win->id != e->window)
8594                 return;
8595
8596         ws = win->ws;
8597
8598         if (getstate(e->window) != XCB_ICCCM_WM_STATE_ICONIC)
8599                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8600
8601         if (win->mapped) {
8602                 /* window unmapped itself */
8603                 /* do unmap/unfocus/restack and unmanage */
8604                 win->mapped = 0;
8605
8606                 /* If win was focused, make sure to focus on something else. */
8607                 if (win == ws->focus) {
8608                         if (focus_mode != SWM_FOCUS_FOLLOW) {
8609                                 ws->focus_pending = get_focus_prev(win);
8610                                 DNPRINTF(SWM_D_EVENT, "unmapnotify: "
8611                                     "focus_pending: 0x%x\n",
8612                                     WINID(ws->focus_pending));
8613                         }
8614
8615                         unfocus_win(win);
8616                 }
8617
8618                 unmanage_window(win);
8619
8620                 if (ws->r)
8621                         stack();
8622
8623                 if (focus_mode == SWM_FOCUS_FOLLOW) {
8624                         if (ws->r)
8625                                 focus_win(get_pointer_win(ws->r->s->root));
8626                 } else if (ws->focus_pending) {
8627                         focus_win(ws->focus_pending);
8628                         ws->focus_pending = NULL;
8629                 } else if (ws->focus == NULL && ws->r) {
8630                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
8631                             ws->r->id, XCB_CURRENT_TIME);
8632                 }
8633         }
8634
8635         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL)
8636                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8637
8638         focus_flush();
8639 }
8640
8641 #if 0
8642 void
8643 visibilitynotify(xcb_visibility_notify_event_t *e)
8644 {
8645         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
8646             e->window);
8647 }
8648 #endif
8649
8650 void
8651 clientmessage(xcb_client_message_event_t *e)
8652 {
8653         struct ws_win *win;
8654         xcb_map_request_event_t mre;
8655 #ifdef SWM_DEBUG
8656         char                    *name;
8657
8658         name = get_atom_name(e->type);
8659         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
8660             e->window, name, e->type);
8661         free(name);
8662 #endif
8663         win = find_window(e->window);
8664
8665         if (win == NULL) {
8666                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8667                         /* Manage the window with maprequest. */
8668                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
8669                             "unmanaged window.\n");
8670                         mre.window = e->window;
8671                         maprequest(&mre);
8672                 }
8673                 return;
8674         }
8675
8676         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8677                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
8678                 focus_win(win);
8679         }
8680         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
8681                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
8682                 if (win->can_delete)
8683                         client_msg(win, a_delete, 0);
8684                 else
8685                         xcb_kill_client(conn, win->id);
8686         }
8687         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
8688                 DNPRINTF(SWM_D_EVENT,
8689                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
8690                 if (win->floating) {
8691                         if (e->data.data32[0] & (1<<8)) /* x */
8692                                 X(win) = e->data.data32[1];
8693                         if (e->data.data32[0] & (1<<9)) /* y */
8694                                 Y(win) = e->data.data32[2];
8695                         if (e->data.data32[0] & (1<<10)) /* width */
8696                                 WIDTH(win) = e->data.data32[3];
8697                         if (e->data.data32[0] & (1<<11)) /* height */
8698                                 HEIGHT(win) = e->data.data32[4];
8699
8700                         update_window(win);
8701                 }
8702                 else {
8703                         /* TODO: Change stack sizes */
8704                         /* notify no change was made. */
8705                         config_win(win, NULL);
8706                 }
8707         }
8708         if (e->type == ewmh[_NET_WM_STATE].atom) {
8709                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
8710                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
8711                 if (e->data.data32[2])
8712                         ewmh_update_win_state(win, e->data.data32[2],
8713                             e->data.data32[0]);
8714
8715                 stack();
8716         }
8717
8718         focus_flush();
8719 }
8720
8721 void
8722 check_conn(void)
8723 {
8724         int      errcode = xcb_connection_has_error(conn);
8725 #ifdef XCB_CONN_ERROR
8726         char    *s;
8727         switch (errcode) {
8728         case XCB_CONN_ERROR:
8729                 s = "Socket error, pipe error or other stream error.";
8730                 break;
8731         case XCB_CONN_CLOSED_EXT_NOTSUPPORTED:
8732                 s = "Extension not supported.";
8733                 break;
8734         case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
8735                 s = "Insufficient memory.";
8736                 break;
8737         case XCB_CONN_CLOSED_REQ_LEN_EXCEED:
8738                 s = "Request length was exceeded.";
8739                 break;
8740         case XCB_CONN_CLOSED_PARSE_ERR:
8741                 s = "Error parsing display string.";
8742                 break;
8743         default:
8744                 s = "Unknown error.";
8745         }
8746         if (errcode)
8747                 errx(errcode, "X CONNECTION ERROR: %s", s);
8748 #else
8749         if (errcode)
8750                 errx(errcode, "X CONNECTION ERROR");
8751 #endif
8752 }
8753
8754 int
8755 enable_wm(void)
8756 {
8757         int                     num_screens, i;
8758         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
8759             XCB_EVENT_MASK_ENTER_WINDOW;
8760         xcb_screen_t            *sc;
8761         xcb_void_cookie_t       wac;
8762         xcb_generic_error_t     *error;
8763
8764         /* this causes an error if some other window manager is running */
8765         num_screens = get_screen_count();
8766         for (i = 0; i < num_screens; i++) {
8767                 if ((sc = get_screen(i)) == NULL)
8768                         errx(1, "ERROR: can't get screen %d.", i);
8769                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
8770                     i, sc->root);
8771                 wac = xcb_change_window_attributes_checked(conn, sc->root,
8772                     XCB_CW_EVENT_MASK, &val);
8773                 if ((error = xcb_request_check(conn, wac))) {
8774                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
8775                             error->error_code);
8776                         free(error);
8777                         return 1;
8778                 }
8779
8780                 /* click to focus on empty region */
8781                 xcb_grab_button(conn, 1, sc->root, BUTTONMASK,
8782                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
8783                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_1, XCB_BUTTON_MASK_ANY);
8784         }
8785
8786         return 0;
8787 }
8788
8789 void
8790 new_region(struct swm_screen *s, int x, int y, int w, int h)
8791 {
8792         struct swm_region       *r, *n;
8793         struct workspace        *ws = NULL;
8794         int                     i;
8795         uint32_t                wa[1];
8796
8797         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
8798              s->idx, w, h, x, y);
8799
8800         /* remove any conflicting regions */
8801         n = TAILQ_FIRST(&s->rl);
8802         while (n) {
8803                 r = n;
8804                 n = TAILQ_NEXT(r, entry);
8805                 if (X(r) < (x + w) && (X(r) + WIDTH(r)) > x &&
8806                     Y(r) < (y + h) && (Y(r) + HEIGHT(r)) > y) {
8807                         if (r->ws->r != NULL)
8808                                 r->ws->old_r = r->ws->r;
8809                         r->ws->r = NULL;
8810                         bar_cleanup(r);
8811                         xcb_destroy_window(conn, r->id);
8812                         TAILQ_REMOVE(&s->rl, r, entry);
8813                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
8814                 }
8815         }
8816
8817         /* search old regions for one to reuse */
8818
8819         /* size + location match */
8820         TAILQ_FOREACH(r, &s->orl, entry)
8821                 if (X(r) == x && Y(r) == y &&
8822                     HEIGHT(r) == h && WIDTH(r) == w)
8823                         break;
8824
8825         /* size match */
8826         TAILQ_FOREACH(r, &s->orl, entry)
8827                 if (HEIGHT(r) == h && WIDTH(r) == w)
8828                         break;
8829
8830         if (r != NULL) {
8831                 TAILQ_REMOVE(&s->orl, r, entry);
8832                 /* try to use old region's workspace */
8833                 if (r->ws->r == NULL)
8834                         ws = r->ws;
8835         } else
8836                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
8837                         err(1, "new_region: calloc: failed to allocate memory "
8838                             "for screen");
8839
8840         /* if we don't have a workspace already, find one */
8841         if (ws == NULL) {
8842                 for (i = 0; i < workspace_limit; i++)
8843                         if (s->ws[i].r == NULL) {
8844                                 ws = &s->ws[i];
8845                                 break;
8846                         }
8847         }
8848
8849         if (ws == NULL)
8850                 errx(1, "new_region: no free workspaces");
8851
8852         X(r) = x;
8853         Y(r) = y;
8854         WIDTH(r) = w;
8855         HEIGHT(r) = h;
8856         r->s = s;
8857         r->ws = ws;
8858         r->ws_prior = NULL;
8859         ws->r = r;
8860         outputs++;
8861         TAILQ_INSERT_TAIL(&s->rl, r, entry);
8862
8863         /* Invisible region window to detect pointer events on empty regions. */
8864         r->id = xcb_generate_id(conn);
8865         wa[0] = XCB_EVENT_MASK_POINTER_MOTION |
8866             XCB_EVENT_MASK_POINTER_MOTION_HINT;
8867
8868         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->id, r->s->root,
8869             X(r), Y(r), WIDTH(r), HEIGHT(r), 0, XCB_WINDOW_CLASS_INPUT_ONLY,
8870             XCB_COPY_FROM_PARENT, XCB_CW_EVENT_MASK, wa);
8871
8872         xcb_map_window(conn, r->id);
8873 }
8874
8875 void
8876 scan_xrandr(int i)
8877 {
8878 #ifdef SWM_XRR_HAS_CRTC
8879         int                                             c;
8880         int                                             ncrtc = 0;
8881 #endif /* SWM_XRR_HAS_CRTC */
8882         struct swm_region                               *r;
8883         struct ws_win                                   *win;
8884         int                                             num_screens;
8885         xcb_randr_get_screen_resources_current_cookie_t src;
8886         xcb_randr_get_screen_resources_current_reply_t  *srr;
8887         xcb_randr_get_crtc_info_cookie_t                cic;
8888         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
8889         xcb_randr_crtc_t                                *crtc;
8890         xcb_screen_t                                    *screen;
8891
8892         DNPRINTF(SWM_D_MISC, "scan_xrandr: screen: %d\n", i);
8893
8894         if ((screen = get_screen(i)) == NULL)
8895                 errx(1, "ERROR: can't get screen %d.", i);
8896
8897         num_screens = get_screen_count();
8898         if (i >= num_screens)
8899                 errx(1, "scan_xrandr: invalid screen");
8900
8901         /* remove any old regions */
8902         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
8903                 r->ws->old_r = r->ws->r = NULL;
8904                 bar_cleanup(r);
8905                 xcb_destroy_window(conn, r->id);
8906                 TAILQ_REMOVE(&screens[i].rl, r, entry);
8907                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
8908         }
8909         outputs = 0;
8910
8911         /* map virtual screens onto physical screens */
8912 #ifdef SWM_XRR_HAS_CRTC
8913         if (xrandr_support) {
8914                 src = xcb_randr_get_screen_resources_current(conn,
8915                     screens[i].root);
8916                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
8917                     NULL);
8918                 if (srr == NULL) {
8919                         new_region(&screens[i], 0, 0,
8920                             screen->width_in_pixels,
8921                             screen->height_in_pixels);
8922                         goto out;
8923                 } else
8924                         ncrtc = srr->num_crtcs;
8925
8926                 crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
8927                 for (c = 0; c < ncrtc; c++) {
8928                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
8929                             XCB_CURRENT_TIME);
8930                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
8931                         if (cir == NULL)
8932                                 continue;
8933                         if (cir->num_outputs == 0) {
8934                                 free(cir);
8935                                 continue;
8936                         }
8937
8938                         if (cir->mode == 0)
8939                                 new_region(&screens[i], 0, 0,
8940                                     screen->width_in_pixels,
8941                                     screen->height_in_pixels);
8942                         else
8943                                 new_region(&screens[i],
8944                                     cir->x, cir->y, cir->width, cir->height);
8945                         free(cir);
8946                 }
8947                 free(srr);
8948         }
8949 #endif /* SWM_XRR_HAS_CRTC */
8950
8951         /* If detection failed, create a single region that spans the screen. */
8952         if (TAILQ_EMPTY(&screens[i].rl))
8953                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
8954                     screen->height_in_pixels);
8955
8956 out:
8957         /* Cleanup unused previously visible workspaces. */
8958         TAILQ_FOREACH(r, &screens[i].orl, entry) {
8959                 TAILQ_FOREACH(win, &r->ws->winlist, entry)
8960                         unmap_window(win);
8961
8962                 /* The screen shouldn't focus on an unused region. */
8963                 if (screens[i].r_focus == r)
8964                         screens[i].r_focus = NULL;
8965         }
8966
8967         DNPRINTF(SWM_D_MISC, "scan_xrandr: done.\n");
8968 }
8969
8970 void
8971 screenchange(xcb_randr_screen_change_notify_event_t *e)
8972 {
8973         struct swm_region               *r;
8974         int                             i, num_screens;
8975
8976         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
8977
8978         num_screens = get_screen_count();
8979         /* silly event doesn't include the screen index */
8980         for (i = 0; i < num_screens; i++)
8981                 if (screens[i].root == e->root)
8982                         break;
8983         if (i >= num_screens)
8984                 errx(1, "screenchange: screen not found");
8985
8986         /* brute force for now, just re-enumerate the regions */
8987         scan_xrandr(i);
8988
8989 #ifdef SWM_DEBUG
8990         print_win_geom(e->root);
8991 #endif
8992         /* add bars to all regions */
8993         for (i = 0; i < num_screens; i++) {
8994                 TAILQ_FOREACH(r, &screens[i].rl, entry)
8995                         bar_setup(r);
8996         }
8997
8998         stack();
8999
9000         /* Make sure a region has focus on each screen. */
9001         for (i = 0; i < num_screens; i++) {
9002                 if (screens[i].r_focus == NULL) {
9003                         r = TAILQ_FIRST(&screens[i].rl);
9004                         if (r != NULL)
9005                                 focus_region(r);
9006                 }
9007         }
9008
9009         bar_draw();
9010         focus_flush();
9011 }
9012
9013 void
9014 grab_windows(void)
9015 {
9016         struct swm_region       *r = NULL;
9017         xcb_window_t            *wins = NULL, trans;
9018         int                     no;
9019         int                     i, j, num_screens;
9020         uint16_t                state, manage, mapped;
9021
9022         xcb_query_tree_cookie_t                 qtc;
9023         xcb_query_tree_reply_t                  *qtr;
9024         xcb_get_window_attributes_cookie_t      gac;
9025         xcb_get_window_attributes_reply_t       *gar;
9026         xcb_get_property_cookie_t               pc;
9027
9028         DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
9029         num_screens = get_screen_count();
9030         for (i = 0; i < num_screens; i++) {
9031                 qtc = xcb_query_tree(conn, screens[i].root);
9032                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
9033                 if (!qtr)
9034                         continue;
9035                 wins = xcb_query_tree_children(qtr);
9036                 no = xcb_query_tree_children_length(qtr);
9037                 /* attach windows to a region */
9038                 /* normal windows */
9039                 DNPRINTF(SWM_D_INIT, "grab_windows: grab top level windows.\n");
9040                 for (j = 0; j < no; j++) {
9041                         TAILQ_FOREACH(r, &screens[i].rl, entry) {
9042                                 if (r->id == wins[j]) {
9043                                         DNPRINTF(SWM_D_INIT, "grab_windows: "
9044                                             "skip %#x; region input window.\n",
9045                                             wins[j]);
9046                                         break;
9047                                 }
9048                         }
9049
9050                         if (r)
9051                                 continue;
9052
9053                         gac = xcb_get_window_attributes(conn, wins[j]);
9054                         gar = xcb_get_window_attributes_reply(conn, gac, NULL);
9055                         if (!gar) {
9056                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9057                                     "doesn't exist.\n", wins[j]);
9058                                 continue;
9059                         }
9060
9061                         if (gar->override_redirect) {
9062                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9063                                     "override_redirect set.\n", wins[j]);
9064                                 free(gar);
9065                                 continue;
9066                         }
9067
9068                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
9069                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
9070                             &trans, NULL)) {
9071                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9072                                     "is transient for %#x.\n", wins[j], trans);
9073                                 free(gar);
9074                                 continue;
9075                         }
9076
9077                         state = getstate(wins[j]);
9078                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
9079                         mapped = gar->map_state != XCB_MAP_STATE_UNMAPPED;
9080                         if (mapped || manage)
9081                                 manage_window(wins[j], mapped);
9082                         free(gar);
9083                 }
9084                 /* transient windows */
9085                 DNPRINTF(SWM_D_INIT, "grab_windows: grab transient windows.\n");
9086                 for (j = 0; j < no; j++) {
9087                         gac = xcb_get_window_attributes(conn, wins[j]);
9088                         gar = xcb_get_window_attributes_reply(conn, gac, NULL);
9089                         if (!gar) {
9090                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9091                                     "doesn't exist.\n", wins[j]);
9092                                 continue;
9093                         }
9094
9095                         if (gar->override_redirect) {
9096                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9097                                     "override_redirect set.\n", wins[j]);
9098                                 free(gar);
9099                                 continue;
9100                         }
9101
9102                         state = getstate(wins[j]);
9103                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
9104                         mapped = gar->map_state != XCB_MAP_STATE_UNMAPPED;
9105                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
9106                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
9107                             &trans, NULL) && manage)
9108                                 manage_window(wins[j], mapped);
9109                         free(gar);
9110                 }
9111                 free(qtr);
9112         }
9113         DNPRINTF(SWM_D_INIT, "grab_windows: done.\n");
9114 }
9115
9116 void
9117 setup_screens(void)
9118 {
9119         int                     i, j, k, num_screens;
9120         struct workspace        *ws;
9121         uint32_t                gcv[1], wa[1];
9122         const xcb_query_extension_reply_t *qep;
9123         xcb_screen_t                            *screen;
9124         xcb_randr_query_version_cookie_t        c;
9125         xcb_randr_query_version_reply_t         *r;
9126
9127         num_screens = get_screen_count();
9128         if ((screens = calloc(num_screens,
9129              sizeof(struct swm_screen))) == NULL)
9130                 err(1, "setup_screens: calloc: failed to allocate memory for "
9131                     "screens");
9132
9133         /* initial Xrandr setup */
9134         xrandr_support = 0;
9135         qep = xcb_get_extension_data(conn, &xcb_randr_id);
9136         if (qep->present) {
9137                 c = xcb_randr_query_version(conn, 1, 1);
9138                 r = xcb_randr_query_version_reply(conn, c, NULL);
9139                 if (r) {
9140                         if (r->major_version >= 1) {
9141                                 xrandr_support = 1;
9142                                 xrandr_eventbase = qep->first_event;
9143                         }
9144                         free(r);
9145                 }
9146         }
9147
9148         wa[0] = cursors[XC_LEFT_PTR].cid;
9149
9150         /* map physical screens */
9151         for (i = 0; i < num_screens; i++) {
9152                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
9153                 screens[i].idx = i;
9154                 screens[i].r_focus = NULL;
9155
9156                 TAILQ_INIT(&screens[i].rl);
9157                 TAILQ_INIT(&screens[i].orl);
9158                 if ((screen = get_screen(i)) == NULL)
9159                         errx(1, "ERROR: can't get screen %d.", i);
9160                 screens[i].root = screen->root;
9161
9162                 /* set default colors */
9163                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
9164                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
9165                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
9166                 setscreencolor("rgb:00/40/40", i + 1,
9167                     SWM_S_COLOR_BAR_BORDER_UNFOCUS);
9168                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
9169                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
9170
9171                 /* create graphics context on screen */
9172                 screens[i].bar_gc = xcb_generate_id(conn);
9173                 gcv[0] = 0;
9174                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
9175                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
9176
9177                 /* set default cursor */
9178                 xcb_change_window_attributes(conn, screens[i].root,
9179                     XCB_CW_CURSOR, wa);
9180
9181                 /* init all workspaces */
9182                 /* XXX these should be dynamically allocated too */
9183                 for (j = 0; j < SWM_WS_MAX; j++) {
9184                         ws = &screens[i].ws[j];
9185                         ws->idx = j;
9186                         ws->name = NULL;
9187                         ws->bar_enabled = 1;
9188                         ws->focus = NULL;
9189                         ws->focus_prev = NULL;
9190                         ws->focus_pending = NULL;
9191                         ws->r = NULL;
9192                         ws->old_r = NULL;
9193                         TAILQ_INIT(&ws->winlist);
9194                         TAILQ_INIT(&ws->unmanagedlist);
9195
9196                         for (k = 0; layouts[k].l_stack != NULL; k++)
9197                                 if (layouts[k].l_config != NULL)
9198                                         layouts[k].l_config(ws,
9199                                             SWM_ARG_ID_STACKINIT);
9200                         ws->cur_layout = &layouts[0];
9201                         ws->cur_layout->l_string(ws);
9202                 }
9203
9204                 scan_xrandr(i);
9205
9206                 if (xrandr_support)
9207                         xcb_randr_select_input(conn, screens[i].root,
9208                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
9209         }
9210 }
9211
9212 void
9213 setup_globals(void)
9214 {
9215         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
9216                 err(1, "setup_globals: strdup: failed to allocate memory.");
9217
9218         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
9219                 err(1, "setup_globals: strdup: failed to allocate memory.");
9220
9221         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
9222                 errx(1, "unable to allocate key symbols");
9223
9224         a_state = get_atom_from_string("WM_STATE");
9225         a_prot = get_atom_from_string("WM_PROTOCOLS");
9226         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
9227         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
9228         a_wmname = get_atom_from_string("WM_NAME");
9229         a_netwmname = get_atom_from_string("_NET_WM_NAME");
9230         a_utf8_string = get_atom_from_string("UTF8_STRING");
9231         a_string = get_atom_from_string("STRING");
9232         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
9233         a_swm_ws = get_atom_from_string("_SWM_WS");
9234 }
9235
9236 void
9237 workaround(void)
9238 {
9239         int                     i, num_screens;
9240         xcb_atom_t              netwmcheck;
9241         xcb_window_t            root, win;
9242
9243         /* work around sun jdk bugs, code from wmname */
9244         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
9245
9246         num_screens = get_screen_count();
9247         for (i = 0; i < num_screens; i++) {
9248                 root = screens[i].root;
9249
9250                 win = xcb_generate_id(conn);
9251                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, root,
9252                     0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
9253                     XCB_COPY_FROM_PARENT, 0, NULL);
9254
9255                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
9256                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
9257                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
9258                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
9259                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
9260                     a_netwmname, a_utf8_string, 8, strlen("LG3D"), "LG3D");
9261         }
9262 }
9263
9264 void
9265 shutdown_cleanup(void)
9266 {
9267         int i, num_screens;
9268
9269         /* disable alarm because the following code may not be interrupted */
9270         alarm(0);
9271         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
9272                 err(1, "can't disable alarm");
9273
9274         bar_extra_stop();
9275         unmap_all();
9276
9277         cursors_cleanup();
9278
9279         teardown_ewmh();
9280
9281         num_screens = get_screen_count();
9282         for (i = 0; i < num_screens; ++i) {
9283                 if (screens[i].bar_gc != 0)
9284                         xcb_free_gc(conn, screens[i].bar_gc);
9285                 if (!bar_font_legacy)
9286                         XftColorFree(display, DefaultVisual(display, i),
9287                             DefaultColormap(display, i), &bar_font_color);
9288         }
9289
9290         if (bar_font_legacy)
9291                 XFreeFontSet(display, bar_fs);
9292         else {
9293                 XftFontClose(display, bar_font);
9294         }
9295
9296         xcb_key_symbols_free(syms);
9297         xcb_flush(conn);
9298         xcb_disconnect(conn);
9299 }
9300
9301 void
9302 event_error(xcb_generic_error_t *e)
9303 {
9304         (void)e;
9305
9306         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
9307             "resource_id: %u, minor_code: %u\n",
9308             xcb_event_get_error_label(e->error_code), e->error_code,
9309             xcb_event_get_request_label(e->major_code), e->major_code,
9310             e->sequence, e->resource_id, e->minor_code);
9311 }
9312
9313 void
9314 event_handle(xcb_generic_event_t *evt)
9315 {
9316         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
9317
9318         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d), seq %u\n",
9319             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
9320             XCB_EVENT_RESPONSE_TYPE(evt), evt->sequence);
9321
9322         switch (type) {
9323 #define EVENT(type, callback) case type: callback((void *)evt); return
9324         EVENT(0, event_error);
9325         EVENT(XCB_BUTTON_PRESS, buttonpress);
9326         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
9327         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
9328         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
9329         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
9330         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
9331         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
9332         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
9333         /*EVENT(XCB_CREATE_NOTIFY, );*/
9334         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
9335         EVENT(XCB_ENTER_NOTIFY, enternotify);
9336         EVENT(XCB_EXPOSE, expose);
9337 #ifdef SWM_DEBUG
9338         EVENT(XCB_FOCUS_IN, focusin);
9339         EVENT(XCB_FOCUS_OUT, focusout);
9340 #endif
9341         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
9342         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
9343         EVENT(XCB_KEY_PRESS, keypress);
9344         /*EVENT(XCB_KEY_RELEASE, keypress);*/
9345         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
9346 #ifdef SWM_DEBUG
9347         EVENT(XCB_LEAVE_NOTIFY, leavenotify);
9348 #endif
9349         EVENT(XCB_MAP_NOTIFY, mapnotify);
9350         EVENT(XCB_MAP_REQUEST, maprequest);
9351         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
9352         EVENT(XCB_MOTION_NOTIFY, motionnotify);
9353         /*EVENT(XCB_NO_EXPOSURE, );*/
9354         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
9355         /*EVENT(XCB_REPARENT_NOTIFY, );*/
9356         /*EVENT(XCB_RESIZE_REQUEST, );*/
9357         /*EVENT(XCB_SELECTION_CLEAR, );*/
9358         /*EVENT(XCB_SELECTION_NOTIFY, );*/
9359         /*EVENT(XCB_SELECTION_REQUEST, );*/
9360         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
9361         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
9362 #undef EVENT
9363         }
9364         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
9365                 screenchange((void *)evt);
9366 }
9367
9368 int
9369 main(int argc, char *argv[])
9370 {
9371         struct swm_region       *r;
9372         char                    conf[PATH_MAX], *cfile = NULL;
9373         struct stat             sb;
9374         int                     xfd, i, num_screens, startup = 1;
9375         struct sigaction        sact;
9376         xcb_generic_event_t     *evt;
9377         struct timeval          tv;
9378         fd_set                  rd;
9379         int                     rd_max;
9380         int                     stdin_ready = 0;
9381         int                     num_readable;
9382
9383         /* suppress unused warning since var is needed */
9384         (void)argc;
9385
9386         time_started = time(NULL);
9387
9388         start_argv = argv;
9389         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
9390         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
9391                 warnx("no locale support");
9392
9393         /* handle some signals */
9394         bzero(&sact, sizeof(sact));
9395         sigemptyset(&sact.sa_mask);
9396         sact.sa_flags = 0;
9397         sact.sa_handler = sighdlr;
9398         sigaction(SIGINT, &sact, NULL);
9399         sigaction(SIGQUIT, &sact, NULL);
9400         sigaction(SIGTERM, &sact, NULL);
9401         sigaction(SIGHUP, &sact, NULL);
9402
9403         sact.sa_handler = sighdlr;
9404         sact.sa_flags = SA_NOCLDSTOP;
9405         sigaction(SIGCHLD, &sact, NULL);
9406
9407         if (!(display = XOpenDisplay(0)))
9408                 errx(1, "can not open display");
9409
9410         conn = XGetXCBConnection(display);
9411         if (xcb_connection_has_error(conn))
9412                 errx(1, "can not get XCB connection");
9413
9414         XSetEventQueueOwner(display, XCBOwnsEventQueue);
9415
9416         xcb_prefetch_extension_data(conn, &xcb_randr_id);
9417         xfd = xcb_get_file_descriptor(conn);
9418
9419         /* look for local and global conf file */
9420         pwd = getpwuid(getuid());
9421         if (pwd == NULL)
9422                 errx(1, "invalid user: %d", getuid());
9423
9424         xcb_grab_server(conn);
9425         xcb_aux_sync(conn);
9426
9427         /* flush all events */
9428         while ((evt = xcb_poll_for_event(conn))) {
9429                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
9430                         event_handle(evt);
9431                 free(evt);
9432         }
9433
9434         if (enable_wm() != 0)
9435                 errx(1, "another window manager is currently running");
9436
9437         /* Load Xcursors and/or cursorfont glyph cursors. */
9438         cursors_load();
9439
9440         xcb_aux_sync(conn);
9441
9442         setup_globals();
9443         setup_screens();
9444         setup_keys();
9445         setup_quirks();
9446         setup_spawn();
9447
9448         /* load config */
9449         for (i = 0; ; i++) {
9450                 conf[0] = '\0';
9451                 switch (i) {
9452                 case 0:
9453                         /* ~ */
9454                         snprintf(conf, sizeof conf, "%s/.%s",
9455                             pwd->pw_dir, SWM_CONF_FILE);
9456                         break;
9457                 case 1:
9458                         /* global */
9459                         snprintf(conf, sizeof conf, "/etc/%s",
9460                             SWM_CONF_FILE);
9461                         break;
9462                 case 2:
9463                         /* ~ compat */
9464                         snprintf(conf, sizeof conf, "%s/.%s",
9465                             pwd->pw_dir, SWM_CONF_FILE_OLD);
9466                         break;
9467                 case 3:
9468                         /* global compat */
9469                         snprintf(conf, sizeof conf, "/etc/%s",
9470                             SWM_CONF_FILE_OLD);
9471                         break;
9472                 default:
9473                         goto noconfig;
9474                 }
9475
9476                 if (strlen(conf) && stat(conf, &sb) != -1)
9477                         if (S_ISREG(sb.st_mode)) {
9478                                 cfile = conf;
9479                                 break;
9480                         }
9481         }
9482 noconfig:
9483
9484         /* load conf (if any) */
9485         if (cfile)
9486                 conf_load(cfile, SWM_CONF_DEFAULT);
9487
9488         validate_spawns();
9489
9490         setup_ewmh();
9491         /* set some values to work around bad programs */
9492         workaround();
9493         /* grab existing windows (before we build the bars) */
9494         grab_windows();
9495
9496         if (getenv("SWM_STARTED") == NULL)
9497                 setenv("SWM_STARTED", "YES", 1);
9498
9499         /* setup all bars */
9500         num_screens = get_screen_count();
9501         for (i = 0; i < num_screens; i++)
9502                 TAILQ_FOREACH(r, &screens[i].rl, entry)
9503                         bar_setup(r);
9504
9505         grabkeys();
9506         stack();
9507         bar_draw();
9508
9509         xcb_ungrab_server(conn);
9510         xcb_flush(conn);
9511
9512         rd_max = xfd > STDIN_FILENO ? xfd : STDIN_FILENO;
9513
9514         while (running) {
9515                 while ((evt = xcb_poll_for_event(conn))) {
9516                         if (!running)
9517                                 goto done;
9518                         event_handle(evt);
9519                         free(evt);
9520                 }
9521
9522                 /* If just (re)started, set default focus if needed. */
9523                 if (startup) {
9524                         startup = 0;
9525
9526                         if (focus_mode != SWM_FOCUS_FOLLOW) {
9527                                 r = TAILQ_FIRST(&screens[0].rl);
9528                                 if (r) {
9529                                         focus_region(r);
9530                                         focus_flush();
9531                                 }
9532                                 continue;
9533                         }
9534                 }
9535
9536                 FD_ZERO(&rd);
9537
9538                 if (bar_extra)
9539                         FD_SET(STDIN_FILENO, &rd);
9540
9541                 FD_SET(xfd, &rd);
9542                 tv.tv_sec = 1;
9543                 tv.tv_usec = 0;
9544                 num_readable = select(rd_max + 1, &rd, NULL, NULL, &tv);
9545                 if (num_readable == -1 && errno != EINTR) {
9546                         DNPRINTF(SWM_D_MISC, "select failed");
9547                 } else if (num_readable > 0 && FD_ISSET(STDIN_FILENO, &rd)) {
9548                         stdin_ready = 1;
9549                 }
9550
9551                 if (restart_wm)
9552                         restart(NULL, NULL);
9553
9554                 if (search_resp)
9555                         search_do_resp();
9556
9557                 if (!running)
9558                         goto done;
9559
9560                 if (stdin_ready) {
9561                         stdin_ready = 0;
9562                         bar_extra_update();
9563                 }
9564
9565                 bar_draw();
9566                 xcb_flush(conn);
9567         }
9568 done:
9569         shutdown_cleanup();
9570
9571         return (0);
9572 }