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_wm_hints_get_urgency          xcb_wm_hints_get_urgency
 145 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 146 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 147 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 148 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 149 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 150 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 151 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 152 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 153 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 154 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 155 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 156 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 157 #endif
 158
 159 /*#define SWM_DEBUG*/
 160 #ifdef SWM_DEBUG
 161 #define DPRINTF(x...) do {                                                      \
 162         if (swm_debug)                                                          \
 163                 fprintf(stderr, x);                                             \
 164 } while (0)
 165 #define DNPRINTF(n,x...) do {                                                   \
 166         if (swm_debug & n) {                                                    \
 167                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 168                 fprintf(stderr, x);                                             \
 169         }                                                                       \
 170 } while (0)
 171 #define SWM_D_MISC              0x0001
 172 #define SWM_D_EVENT             0x0002
 173 #define SWM_D_WS                0x0004
 174 #define SWM_D_FOCUS             0x0008
 175 #define SWM_D_MOVE              0x0010
 176 #define SWM_D_STACK             0x0020
 177 #define SWM_D_MOUSE             0x0040
 178 #define SWM_D_PROP              0x0080
 179 #define SWM_D_CLASS             0x0100
 180 #define SWM_D_KEY               0x0200
 181 #define SWM_D_QUIRK             0x0400
 182 #define SWM_D_SPAWN             0x0800
 183 #define SWM_D_EVENTQ            0x1000
 184 #define SWM_D_CONF              0x2000
 185 #define SWM_D_BAR               0x4000
 186 #define SWM_D_INIT              0x8000
 187
 188 u_int32_t               swm_debug = 0
 189                             | SWM_D_MISC
 190                             | SWM_D_EVENT
 191                             | SWM_D_WS
 192                             | SWM_D_FOCUS
 193                             | SWM_D_MOVE
 194                             | SWM_D_STACK
 195                             | SWM_D_MOUSE
 196                             | SWM_D_PROP
 197                             | SWM_D_CLASS
 198                             | SWM_D_KEY
 199                             | SWM_D_QUIRK
 200                             | SWM_D_SPAWN
 201                             | SWM_D_EVENTQ
 202                             | SWM_D_CONF
 203                             | SWM_D_BAR
 204                             | SWM_D_INIT
 205                             ;
 206 #else
 207 #define DPRINTF(x...)
 208 #define DNPRINTF(n,x...)
 209 #endif
 210
 211 /* convert 8-bit to 16-bit */
 212 #define RGB_8_TO_16(col)        ((col) << 8) + (col)
 213
 214 #define PIXEL_TO_XRENDERCOLOR(px, xrc)                                  \
 215         xrc.red = RGB_8_TO_16((px) >> 16 & 0xff);                       \
 216         xrc.green = RGB_8_TO_16((px) >> 8 & 0xff);                      \
 217         xrc.blue = RGB_8_TO_16((px) & 0xff);                            \
 218         xrc.alpha = 0xffff;
 219
 220 #define LENGTH(x)               (int)(sizeof (x) / sizeof (x)[0])
 221 #define MODKEY                  XCB_MOD_MASK_1
 222 #define CLEANMASK(mask)         ((mask) & ~(numlockmask | XCB_MOD_MASK_LOCK))
 223 #define BUTTONMASK              (XCB_EVENT_MASK_BUTTON_PRESS |          \
 224     XCB_EVENT_MASK_BUTTON_RELEASE)
 225 #define MOUSEMASK               (BUTTONMASK|XCB_EVENT_MASK_POINTER_MOTION)
 226 #define SWM_PROPLEN             (16)
 227 #define SWM_FUNCNAME_LEN        (32)
 228 #define SWM_KEYS_LEN            (255)
 229 #define SWM_QUIRK_LEN           (64)
 230 #define X(r)                    (r)->g.x
 231 #define Y(r)                    (r)->g.y
 232 #define WIDTH(r)                (r)->g.w
 233 #define HEIGHT(r)               (r)->g.h
 234 #define BORDER(w)               ((w)->bordered ? border_width : 0)
 235 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 236 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 237 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 238 #define SH_MIN_W(w)             (w)->sh.min_width
 239 #define SH_MIN_H(w)             (w)->sh.min_height
 240 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 241 #define SH_MAX_W(w)             (w)->sh.max_width
 242 #define SH_MAX_H(w)             (w)->sh.max_height
 243 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 244 #define SH_INC_W(w)             (w)->sh.width_inc
 245 #define SH_INC_H(w)             (w)->sh.height_inc
 246 #define SWM_MAX_FONT_STEPS      (3)
 247 #define WINID(w)                ((w) ? (w)->id : XCB_WINDOW_NONE)
 248 #define WS_FOCUSED(ws)          ((ws)->r && (ws)->r->s->r_focus == (ws)->r)
 249 #define YESNO(x)                ((x) ? "yes" : "no")
 250
 251 /* Constrain Window flags */
 252 #define SWM_CW_RESIZABLE        (0x01)
 253 #define SWM_CW_SOFTBOUNDARY     (0x02)
 254 #define SWM_CW_HARDBOUNDARY     (0x04)
 255 #define SWM_CW_RIGHT            (0x10)
 256 #define SWM_CW_LEFT             (0x20)
 257 #define SWM_CW_BOTTOM           (0x40)
 258 #define SWM_CW_TOP              (0x80)
 259 #define SWM_CW_ALLSIDES         (0xf0)
 260
 261 #define SWM_FOCUS_DEFAULT       (0)
 262 #define SWM_FOCUS_FOLLOW        (1)
 263 #define SWM_FOCUS_MANUAL        (2)
 264
 265 #define SWM_CK_NONE             0
 266 #define SWM_CK_ALL              0xf
 267 #define SWM_CK_FOCUS            0x1
 268 #define SWM_CK_POINTER          0x2
 269 #define SWM_CK_FALLBACK         0x4
 270 #define SWM_CK_REGION           0x8
 271
 272 #define SWM_CONF_DEFAULT        (0)
 273 #define SWM_CONF_KEYMAPPING     (1)
 274
 275 #ifndef SWM_LIB
 276 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 277 #endif
 278
 279 char                    **start_argv;
 280 xcb_atom_t              a_state;
 281 xcb_atom_t              a_prot;
 282 xcb_atom_t              a_delete;
 283 xcb_atom_t              a_takefocus;
 284 xcb_atom_t              a_utf8_string;
 285 xcb_atom_t              a_swm_iconic;
 286 xcb_atom_t              a_swm_ws;
 287 volatile sig_atomic_t   running = 1;
 288 volatile sig_atomic_t   restart_wm = 0;
 289 xcb_timestamp_t         last_event_time = 0;
 290 int                     outputs = 0;
 291 int                     other_wm;
 292 int                     xrandr_support;
 293 int                     xrandr_eventbase;
 294 unsigned int            numlockmask = 0;
 295
 296 Display                 *display;
 297 xcb_connection_t        *conn;
 298 xcb_key_symbols_t       *syms;
 299
 300 int                     boundary_width = 50;
 301 int                     cycle_empty = 0;
 302 int                     cycle_visible = 0;
 303 int                     term_width = 0;
 304 int                     font_adjusted = 0;
 305 unsigned int            mod_key = MODKEY;
 306
 307 /* dmenu search */
 308 struct swm_region       *search_r;
 309 int                     select_list_pipe[2];
 310 int                     select_resp_pipe[2];
 311 pid_t                   searchpid;
 312 volatile sig_atomic_t   search_resp;
 313 int                     search_resp_action;
 314
 315 struct search_window {
 316         TAILQ_ENTRY(search_window)      entry;
 317         int                             idx;
 318         struct ws_win                   *win;
 319         xcb_gcontext_t                  gc;
 320         xcb_window_t                    indicator;
 321 };
 322 TAILQ_HEAD(search_winlist, search_window);
 323 struct search_winlist                   search_wl;
 324
 325 /* search actions */
 326 enum {
 327         SWM_SEARCH_NONE,
 328         SWM_SEARCH_UNICONIFY,
 329         SWM_SEARCH_NAME_WORKSPACE,
 330         SWM_SEARCH_SEARCH_WORKSPACE,
 331         SWM_SEARCH_SEARCH_WINDOW
 332 };
 333
 334 #define SWM_STACK_TOP           (0)
 335 #define SWM_STACK_BOTTOM        (1)
 336 #define SWM_STACK_ABOVE         (2)
 337 #define SWM_STACK_BELOW         (3)
 338
 339 /* dialog windows */
 340 double                  dialog_ratio = 0.6;
 341 /* status bar */
 342 #define SWM_BAR_MAX             (256)
 343 #define SWM_BAR_JUSTIFY_LEFT    (0)
 344 #define SWM_BAR_JUSTIFY_CENTER  (1)
 345 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 346 #define SWM_BAR_OFFSET          (4)
 347 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-12-*-*-*-*-*-*-*," \
 348                                 "-*-profont-*-*-*-*-12-*-*-*-*-*-*-*,"      \
 349                                 "-*-times-medium-r-*-*-12-*-*-*-*-*-*-*,"    \
 350                                 "-misc-fixed-medium-r-*-*-12-*-*-*-*-*-*-*,"  \
 351                                 "-*-*-*-r-*-*-*-*-*-*-*-*-*-*"
 352
 353 #ifdef X_HAVE_UTF8_STRING
 354 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 355 #else
 356 #define DRAWSTRING(x...)        XmbDrawString(x)
 357 #endif
 358
 359 char            *bar_argv[] = { NULL, NULL };
 360 int              bar_pipe[2];
 361 char             bar_ext[SWM_BAR_MAX];
 362 char             bar_ext_buf[SWM_BAR_MAX];
 363 char             bar_vertext[SWM_BAR_MAX];
 364 int              bar_version = 0;
 365 int              bar_enabled = 1;
 366 int              bar_border_width = 1;
 367 int              bar_at_bottom = 0;
 368 int              bar_extra = 0;
 369 int              bar_verbose = 1;
 370 int              bar_height = 0;
 371 int              bar_justify = SWM_BAR_JUSTIFY_LEFT;
 372 char             *bar_format = NULL;
 373 int              stack_enabled = 1;
 374 int              clock_enabled = 1;
 375 int              urgent_enabled = 0;
 376 char            *clock_format = NULL;
 377 int              title_name_enabled = 0;
 378 int              title_class_enabled = 0;
 379 int              window_name_enabled = 0;
 380 int              focus_mode = SWM_FOCUS_DEFAULT;
 381 int              focus_close = SWM_STACK_BELOW;
 382 int              focus_close_wrap = 1;
 383 int              focus_default = SWM_STACK_TOP;
 384 int              spawn_position = SWM_STACK_TOP;
 385 int              disable_border = 0;
 386 int              border_width = 1;
 387 int              region_padding = 0;
 388 int              tile_gap = 0;
 389 int              verbose_layout = 0;
 390 time_t           time_started;
 391 pid_t            bar_pid;
 392 XFontSet         bar_fs;
 393 XFontSetExtents *bar_fs_extents;
 394 XftFont         *bar_font;
 395 int              bar_font_legacy = 1;
 396 char            *bar_fonts;
 397 XftColor         bar_font_color;
 398 struct passwd   *pwd;
 399 char            *startup_exception;
 400 unsigned int     nr_exceptions = 0;
 401
 402 /* layout manager data */
 403 struct swm_geometry {
 404         int                     x;
 405         int                     y;
 406         int                     w;
 407         int                     h;
 408 };
 409
 410 struct swm_screen;
 411 struct workspace;
 412
 413 struct swm_bar {
 414         xcb_window_t            id;
 415         xcb_pixmap_t            buffer;
 416         struct swm_geometry     g;
 417 };
 418
 419 /* virtual "screens" */
 420 struct swm_region {
 421         TAILQ_ENTRY(swm_region) entry;
 422         xcb_window_t            id;
 423         struct swm_geometry     g;
 424         struct workspace        *ws;    /* current workspace on this region */
 425         struct workspace        *ws_prior; /* prior workspace on this region */
 426         struct swm_screen       *s;     /* screen idx */
 427         struct swm_bar          *bar;
 428 };
 429 TAILQ_HEAD(swm_region_list, swm_region);
 430
 431 struct ws_win {
 432         TAILQ_ENTRY(ws_win)     entry;
 433         xcb_window_t            id;
 434         xcb_window_t            transient;
 435         struct ws_win           *focus_child;   /* focus on child transient */
 436         struct swm_geometry     g;              /* current geometry */
 437         struct swm_geometry     g_float;        /* region coordinates */
 438         int                     g_floatvalid;   /* g_float geometry validity */
 439         int                     floatmaxed;     /* whether maxed by max_stack */
 440         int                     floating;
 441         int                     manual;
 442         int32_t                 mapped;
 443         int32_t                 iconic;
 444         int                     bordered;
 445         unsigned int            ewmh_flags;
 446         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 447         int                     font_steps;
 448         int                     last_inc;
 449         int                     can_delete;
 450         int                     take_focus;
 451         int                     java;
 452         unsigned long           quirks;
 453         struct workspace        *ws;    /* always valid */
 454         struct swm_screen       *s;     /* always valid, never changes */
 455         xcb_get_geometry_reply_t        *wa;
 456         xcb_size_hints_t        sh;
 457         xcb_icccm_get_wm_class_reply_t  ch;
 458         xcb_icccm_wm_hints_t    hints;
 459 };
 460 TAILQ_HEAD(ws_win_list, ws_win);
 461
 462 /* pid goo */
 463 struct pid_e {
 464         TAILQ_ENTRY(pid_e)      entry;
 465         pid_t                   pid;
 466         int                     ws;
 467 };
 468 TAILQ_HEAD(pid_list, pid_e);
 469 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 470
 471 /* layout handlers */
 472 void    stack(void);
 473 void    vertical_config(struct workspace *, int);
 474 void    vertical_stack(struct workspace *, struct swm_geometry *);
 475 void    horizontal_config(struct workspace *, int);
 476 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 477 void    max_stack(struct workspace *, struct swm_geometry *);
 478 void    plain_stacker(struct workspace *);
 479 void    fancy_stacker(struct workspace *);
 480
 481 struct layout {
 482         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 483         void            (*l_config)(struct workspace *, int);
 484         u_int32_t       flags;
 485 #define SWM_L_FOCUSPREV         (1<<0)
 486 #define SWM_L_MAPONFOCUS        (1<<1)
 487         void            (*l_string)(struct workspace *);
 488 } layouts[] =  {
 489         /* stack,               configure */
 490         { vertical_stack,       vertical_config,        0,      plain_stacker },
 491         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 492         { max_stack,            NULL,
 493           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 494         { NULL,                 NULL,                   0,      NULL  },
 495 };
 496
 497 /* position of max_stack mode in the layouts array, index into layouts! */
 498 #define SWM_V_STACK             (0)
 499 #define SWM_H_STACK             (1)
 500 #define SWM_MAX_STACK           (2)
 501
 502 #define SWM_H_SLICE             (32)
 503 #define SWM_V_SLICE             (32)
 504
 505 /* define work spaces */
 506 struct workspace {
 507         int                     idx;            /* workspace index */
 508         char                    *name;          /* workspace name */
 509         int                     always_raise;   /* raise windows on focus */
 510         int                     bar_enabled;    /* bar visibility */
 511         struct layout           *cur_layout;    /* current layout handlers */
 512         struct ws_win           *focus;         /* may be NULL */
 513         struct ws_win           *focus_prev;    /* may be NULL */
 514         struct ws_win           *focus_pending; /* may be NULL */
 515         struct swm_region       *r;             /* may be NULL */
 516         struct swm_region       *old_r;         /* may be NULL */
 517         struct ws_win_list      winlist;        /* list of windows in ws */
 518         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 519         char                    stacker[10];    /* display stacker and layout */
 520
 521         /* stacker state */
 522         struct {
 523                                 int horizontal_msize;
 524                                 int horizontal_mwin;
 525                                 int horizontal_stacks;
 526                                 int horizontal_flip;
 527                                 int vertical_msize;
 528                                 int vertical_mwin;
 529                                 int vertical_stacks;
 530                                 int vertical_flip;
 531         } l_state;
 532 };
 533
 534 enum {
 535         SWM_S_COLOR_BAR,
 536         SWM_S_COLOR_BAR_BORDER,
 537         SWM_S_COLOR_BAR_BORDER_UNFOCUS,
 538         SWM_S_COLOR_BAR_FONT,
 539         SWM_S_COLOR_FOCUS,
 540         SWM_S_COLOR_UNFOCUS,
 541         SWM_S_COLOR_MAX
 542 };
 543
 544 /* physical screen mapping */
 545 #define SWM_WS_MAX              (22)    /* hard limit */
 546 int             workspace_limit = 10;   /* soft limit */
 547
 548 struct swm_screen {
 549         int                     idx;    /* screen index */
 550         struct swm_region_list  rl;     /* list of regions on this screen */
 551         struct swm_region_list  orl;    /* list of old regions */
 552         xcb_window_t            root;
 553         struct workspace        ws[SWM_WS_MAX];
 554         struct swm_region       *r_focus;
 555
 556         /* colors */
 557         struct {
 558                 uint32_t        pixel;
 559                 char            *name;
 560         } c[SWM_S_COLOR_MAX];
 561
 562         xcb_gcontext_t          bar_gc;
 563         GC                      bar_gc_legacy;
 564 };
 565 struct swm_screen       *screens;
 566
 567 /* args to functions */
 568 union arg {
 569         int                     id;
 570 #define SWM_ARG_ID_FOCUSNEXT    (0)
 571 #define SWM_ARG_ID_FOCUSPREV    (1)
 572 #define SWM_ARG_ID_FOCUSMAIN    (2)
 573 #define SWM_ARG_ID_FOCUSURGENT  (3)
 574 #define SWM_ARG_ID_SWAPNEXT     (10)
 575 #define SWM_ARG_ID_SWAPPREV     (11)
 576 #define SWM_ARG_ID_SWAPMAIN     (12)
 577 #define SWM_ARG_ID_MOVELAST     (13)
 578 #define SWM_ARG_ID_MASTERSHRINK (20)
 579 #define SWM_ARG_ID_MASTERGROW   (21)
 580 #define SWM_ARG_ID_MASTERADD    (22)
 581 #define SWM_ARG_ID_MASTERDEL    (23)
 582 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 583 #define SWM_ARG_ID_STACKRESET   (30)
 584 #define SWM_ARG_ID_STACKINIT    (31)
 585 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 586 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 587 #define SWM_ARG_ID_CYCLERG_UP   (42)
 588 #define SWM_ARG_ID_CYCLERG_DOWN (43)
 589 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 590 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 591 #define SWM_ARG_ID_CYCLEWS_MOVE_UP      (46)
 592 #define SWM_ARG_ID_CYCLEWS_MOVE_DOWN    (47)
 593 #define SWM_ARG_ID_STACKINC     (50)
 594 #define SWM_ARG_ID_STACKDEC     (51)
 595 #define SWM_ARG_ID_SS_ALL       (60)
 596 #define SWM_ARG_ID_SS_WINDOW    (61)
 597 #define SWM_ARG_ID_DONTCENTER   (70)
 598 #define SWM_ARG_ID_CENTER       (71)
 599 #define SWM_ARG_ID_KILLWINDOW   (80)
 600 #define SWM_ARG_ID_DELETEWINDOW (81)
 601 #define SWM_ARG_ID_WIDTHGROW    (90)
 602 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 603 #define SWM_ARG_ID_HEIGHTGROW   (92)
 604 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 605 #define SWM_ARG_ID_MOVEUP       (100)
 606 #define SWM_ARG_ID_MOVEDOWN     (101)
 607 #define SWM_ARG_ID_MOVELEFT     (102)
 608 #define SWM_ARG_ID_MOVERIGHT    (103)
 609 #define SWM_ARG_ID_BAR_TOGGLE   (110)
 610 #define SWM_ARG_ID_BAR_TOGGLE_WS        (111)
 611         char                    **argv;
 612 };
 613
 614 /* quirks */
 615 struct quirk {
 616         TAILQ_ENTRY(quirk)      entry;
 617         char                    *class;
 618         char                    *name;
 619         unsigned long           quirk;
 620 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 621 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 622 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 623 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 624 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 625 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 626 #define SWM_Q_NOFOCUSONMAP      (1<<6)  /* Don't focus on window when mapped. */
 627 #define SWM_Q_FOCUSONMAP_SINGLE (1<<7)  /* Only focus if single win of type. */
 628 };
 629 TAILQ_HEAD(quirk_list, quirk);
 630 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 631
 632 /*
 633  * Supported EWMH hints should be added to
 634  * both the enum and the ewmh array
 635  */
 636 enum {
 637         _NET_ACTIVE_WINDOW,
 638         _NET_CLOSE_WINDOW,
 639         _NET_MOVERESIZE_WINDOW,
 640         _NET_WM_ACTION_ABOVE,
 641         _NET_WM_ACTION_CLOSE,
 642         _NET_WM_ACTION_FULLSCREEN,
 643         _NET_WM_ACTION_MOVE,
 644         _NET_WM_ACTION_RESIZE,
 645         _NET_WM_ALLOWED_ACTIONS,
 646         _NET_WM_NAME,
 647         _NET_WM_STATE,
 648         _NET_WM_STATE_ABOVE,
 649         _NET_WM_STATE_FULLSCREEN,
 650         _NET_WM_STATE_HIDDEN,
 651         _NET_WM_STATE_MAXIMIZED_HORZ,
 652         _NET_WM_STATE_MAXIMIZED_VERT,
 653         _NET_WM_STATE_SKIP_PAGER,
 654         _NET_WM_STATE_SKIP_TASKBAR,
 655         _NET_WM_WINDOW_TYPE,
 656         _NET_WM_WINDOW_TYPE_DIALOG,
 657         _NET_WM_WINDOW_TYPE_DOCK,
 658         _NET_WM_WINDOW_TYPE_NORMAL,
 659         _NET_WM_WINDOW_TYPE_SPLASH,
 660         _NET_WM_WINDOW_TYPE_TOOLBAR,
 661         _NET_WM_WINDOW_TYPE_UTILITY,
 662         _SWM_WM_STATE_MANUAL,
 663         SWM_EWMH_HINT_MAX
 664 };
 665
 666 struct ewmh_hint {
 667         char            *name;
 668         xcb_atom_t      atom;
 669 } ewmh[SWM_EWMH_HINT_MAX] =     {
 670     /* must be in same order as in the enum */
 671     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 672     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 673     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 674     {"_NET_WM_ACTION_ABOVE", XCB_ATOM_NONE},
 675     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 676     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 677     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 678     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 679     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 680     {"_NET_WM_NAME", XCB_ATOM_NONE},
 681     {"_NET_WM_STATE", XCB_ATOM_NONE},
 682     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 683     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 684     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 685     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 686     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 687     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 688     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 689     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 690     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 691     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 692     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 693     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 694     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 695     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 696     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 697 };
 698
 699 /* Cursors */
 700 enum {
 701         XC_FLEUR,
 702         XC_LEFT_PTR,
 703         XC_BOTTOM_LEFT_CORNER,
 704         XC_BOTTOM_RIGHT_CORNER,
 705         XC_SIZING,
 706         XC_TOP_LEFT_CORNER,
 707         XC_TOP_RIGHT_CORNER,
 708         XC_MAX
 709 };
 710
 711 struct cursors {
 712         char            *name; /* Name used by Xcursor .*/
 713         uint8_t         cf_char; /* cursorfont index. */
 714         xcb_cursor_t    cid;
 715 } cursors[XC_MAX] =     {
 716         {"fleur", XC_fleur, XCB_CURSOR_NONE},
 717         {"left_ptr", XC_left_ptr, XCB_CURSOR_NONE},
 718         {"bottom_left_corner", XC_bottom_left_corner, XCB_CURSOR_NONE},
 719         {"bottom_right_corner", XC_bottom_right_corner, XCB_CURSOR_NONE},
 720         {"sizing", XC_sizing, XCB_CURSOR_NONE},
 721         {"top_left_corner", XC_top_left_corner, XCB_CURSOR_NONE},
 722         {"top_right_corner", XC_top_right_corner, XCB_CURSOR_NONE},
 723 };
 724
 725 #define SWM_SPAWN_OPTIONAL              0x1
 726
 727 /* spawn */
 728 struct spawn_prog {
 729         TAILQ_ENTRY(spawn_prog) entry;
 730         char                    *name;
 731         int                     argc;
 732         char                    **argv;
 733         int                     flags;
 734 };
 735 TAILQ_HEAD(spawn_list, spawn_prog);
 736 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
 737
 738 /* user/key callable function IDs */
 739 enum keyfuncid {
 740         KF_BAR_TOGGLE,
 741         KF_BAR_TOGGLE_WS,
 742         KF_BUTTON2,
 743         KF_CYCLE_LAYOUT,
 744         KF_FLIP_LAYOUT,
 745         KF_FLOAT_TOGGLE,
 746         KF_FOCUS_MAIN,
 747         KF_FOCUS_NEXT,
 748         KF_FOCUS_PREV,
 749         KF_FOCUS_URGENT,
 750         KF_HEIGHT_GROW,
 751         KF_HEIGHT_SHRINK,
 752         KF_ICONIFY,
 753         KF_MASTER_SHRINK,
 754         KF_MASTER_GROW,
 755         KF_MASTER_ADD,
 756         KF_MASTER_DEL,
 757         KF_MOVE_DOWN,
 758         KF_MOVE_LEFT,
 759         KF_MOVE_RIGHT,
 760         KF_MOVE_UP,
 761         KF_MVRG_1,
 762         KF_MVRG_2,
 763         KF_MVRG_3,
 764         KF_MVRG_4,
 765         KF_MVRG_5,
 766         KF_MVRG_6,
 767         KF_MVRG_7,
 768         KF_MVRG_8,
 769         KF_MVRG_9,
 770         KF_MVWS_1,
 771         KF_MVWS_2,
 772         KF_MVWS_3,
 773         KF_MVWS_4,
 774         KF_MVWS_5,
 775         KF_MVWS_6,
 776         KF_MVWS_7,
 777         KF_MVWS_8,
 778         KF_MVWS_9,
 779         KF_MVWS_10,
 780         KF_MVWS_11,
 781         KF_MVWS_12,
 782         KF_MVWS_13,
 783         KF_MVWS_14,
 784         KF_MVWS_15,
 785         KF_MVWS_16,
 786         KF_MVWS_17,
 787         KF_MVWS_18,
 788         KF_MVWS_19,
 789         KF_MVWS_20,
 790         KF_MVWS_21,
 791         KF_MVWS_22,
 792         KF_NAME_WORKSPACE,
 793         KF_QUIT,
 794         KF_RAISE_TOGGLE,
 795         KF_RESTART,
 796         KF_RG_1,
 797         KF_RG_2,
 798         KF_RG_3,
 799         KF_RG_4,
 800         KF_RG_5,
 801         KF_RG_6,
 802         KF_RG_7,
 803         KF_RG_8,
 804         KF_RG_9,
 805         KF_RG_NEXT,
 806         KF_RG_PREV,
 807         KF_SCREEN_NEXT,
 808         KF_SCREEN_PREV,
 809         KF_SEARCH_WIN,
 810         KF_SEARCH_WORKSPACE,
 811         KF_SPAWN_CUSTOM,
 812         KF_STACK_INC,
 813         KF_STACK_DEC,
 814         KF_STACK_RESET,
 815         KF_SWAP_MAIN,
 816         KF_SWAP_NEXT,
 817         KF_SWAP_PREV,
 818         KF_UNICONIFY,
 819         KF_VERSION,
 820         KF_WIDTH_GROW,
 821         KF_WIDTH_SHRINK,
 822         KF_WIND_DEL,
 823         KF_WIND_KILL,
 824         KF_WS_1,
 825         KF_WS_2,
 826         KF_WS_3,
 827         KF_WS_4,
 828         KF_WS_5,
 829         KF_WS_6,
 830         KF_WS_7,
 831         KF_WS_8,
 832         KF_WS_9,
 833         KF_WS_10,
 834         KF_WS_11,
 835         KF_WS_12,
 836         KF_WS_13,
 837         KF_WS_14,
 838         KF_WS_15,
 839         KF_WS_16,
 840         KF_WS_17,
 841         KF_WS_18,
 842         KF_WS_19,
 843         KF_WS_20,
 844         KF_WS_21,
 845         KF_WS_22,
 846         KF_WS_NEXT,
 847         KF_WS_NEXT_ALL,
 848         KF_WS_NEXT_MOVE,
 849         KF_WS_PREV,
 850         KF_WS_PREV_ALL,
 851         KF_WS_PREV_MOVE,
 852         KF_WS_PRIOR,
 853         KF_DUMPWINS, /* MUST BE LAST */
 854         KF_INVALID
 855 };
 856
 857 struct key {
 858         RB_ENTRY(key)           entry;
 859         unsigned int            mod;
 860         KeySym                  keysym;
 861         enum keyfuncid          funcid;
 862         char                    *spawn_name;
 863 };
 864 RB_HEAD(key_tree, key);
 865
 866 /* function prototypes */
 867 void     adjust_font(struct ws_win *);
 868 void     bar_class_name(char *, size_t, struct swm_region *);
 869 void     bar_class_title_name(char *, size_t, struct swm_region *);
 870 void     bar_cleanup(struct swm_region *);
 871 void     bar_extra_setup(void);
 872 void     bar_extra_stop(void);
 873 int      bar_extra_update(void);
 874 void     bar_fmt(const char *, char *, struct swm_region *, size_t);
 875 void     bar_fmt_expand(char *, size_t);
 876 void     bar_draw(void);
 877 void     bar_print(struct swm_region *, const char *);
 878 void     bar_print_legacy(struct swm_region *, const char *);
 879 void     bar_replace(char *, char *, struct swm_region *, size_t);
 880 void     bar_replace_pad(char *, int *, size_t);
 881 char    *bar_replace_seq(char *, char *, struct swm_region *, size_t *, size_t);
 882 void     bar_setup(struct swm_region *);
 883 void     bar_title_name(char *, size_t, struct swm_region *);
 884 void     bar_toggle(struct swm_region *, union arg *);
 885 void     bar_urgent(char *, size_t);
 886 void     bar_window_float(char *, size_t, struct swm_region *);
 887 void     bar_window_name(char *, size_t, struct swm_region *);
 888 void     bar_workspace_name(char *, size_t, struct swm_region *);
 889 void     buttonpress(xcb_button_press_event_t *);
 890 void     check_conn(void);
 891 void     clear_keys(void);
 892 void     clientmessage(xcb_client_message_event_t *);
 893 void     client_msg(struct ws_win *, xcb_atom_t, xcb_timestamp_t);
 894 int      conf_load(const char *, int);
 895 void     configurenotify(xcb_configure_notify_event_t *);
 896 void     configurerequest(xcb_configure_request_event_t *);
 897 void     config_win(struct ws_win *, xcb_configure_request_event_t *);
 898 void     constrain_window(struct ws_win *, struct swm_geometry *, int *);
 899 int      count_win(struct workspace *, int);
 900 void     cursors_cleanup(void);
 901 void     cursors_load(void);
 902 void     custom_region(char *);
 903 void     cyclerg(struct swm_region *, union arg *);
 904 void     cyclews(struct swm_region *, union arg *);
 905 void     cycle_layout(struct swm_region *, union arg *);
 906 void     destroynotify(xcb_destroy_notify_event_t *);
 907 void     dumpwins(struct swm_region *, union arg *);
 908 int      enable_wm(void);
 909 void     enternotify(xcb_enter_notify_event_t *);
 910 void     event_drain(uint8_t);
 911 void     event_error(xcb_generic_error_t *);
 912 void     event_handle(xcb_generic_event_t *);
 913 void     ewmh_autoquirk(struct ws_win *);
 914 void     ewmh_get_win_state(struct ws_win *);
 915 int      ewmh_set_win_fullscreen(struct ws_win *, int);
 916 void     ewmh_update_actions(struct ws_win *);
 917 void     ewmh_update_win_state(struct ws_win *, xcb_atom_t, long);
 918 char    *expand_tilde(const char *);
 919 void     expose(xcb_expose_event_t *);
 920 void     fake_keypress(struct ws_win *, xcb_keysym_t, uint16_t);
 921 struct pid_e    *find_pid(pid_t);
 922 struct ws_win   *find_unmanaged_window(xcb_window_t);
 923 struct ws_win   *find_window(xcb_window_t);
 924 void     floating_toggle(struct swm_region *, union arg *);
 925 int      floating_toggle_win(struct ws_win *);
 926 void     focus(struct swm_region *, union arg *);
 927 #ifdef SWM_DEBUG
 928 void     focusin(xcb_focus_in_event_t *);
 929 void     focusout(xcb_focus_out_event_t *);
 930 #endif
 931 void     focus_flush(void);
 932 void     focus_region(struct swm_region *);
 933 void     focusrg(struct swm_region *, union arg *);
 934 void     focus_win(struct ws_win *);
 935 void     fontset_init(void);
 936 void     free_window(struct ws_win *);
 937 xcb_atom_t get_atom_from_string(const char *);
 938 #ifdef SWM_DEBUG
 939 char    *get_atom_name(xcb_atom_t);
 940 #endif
 941 struct ws_win   *get_focus_magic(struct ws_win *);
 942 struct ws_win   *get_focus_prev(struct ws_win *);
 943 #ifdef SWM_DEBUG
 944 char    *get_notify_detail_label(uint8_t);
 945 char    *get_notify_mode_label(uint8_t);
 946 #endif
 947 struct ws_win   *get_pointer_win(xcb_window_t);
 948 struct ws_win   *get_region_focus(struct swm_region *);
 949 int      get_region_index(struct swm_region *);
 950 xcb_screen_t    *get_screen(int);
 951 xcb_window_t     get_sibling(struct ws_win *, int);
 952 int      get_screen_count(void);
 953 #ifdef SWM_DEBUG
 954 char    *get_stack_mode_name(uint8_t);
 955 #endif
 956 int32_t  get_swm_iconic(struct ws_win *);
 957 char    *get_win_name(xcb_window_t);
 958 int      get_ws_idx(xcb_window_t);
 959 uint32_t getstate(xcb_window_t);
 960 void     grabbuttons(struct ws_win *);
 961 void     grabkeys(void);
 962 void     grab_windows(void);
 963 void     iconify(struct swm_region *, union arg *);
 964 int      isxlfd(char *);
 965 void     keypress(xcb_key_press_event_t *);
 966 int      key_cmp(struct key *, struct key *);
 967 void     key_insert(unsigned int, KeySym, enum keyfuncid, const char *);
 968 struct key      *key_lookup(unsigned int, KeySym);
 969 void     key_remove(struct key *);
 970 void     key_replace(struct key *, unsigned int, KeySym, enum keyfuncid,
 971              const char *);
 972 void     kill_bar_extra_atexit(void);
 973 void     kill_refs(struct ws_win *);
 974 #ifdef SWM_DEBUG
 975 void     leavenotify(xcb_leave_notify_event_t *);
 976 #endif
 977 void     load_float_geom(struct ws_win *);
 978 struct ws_win   *manage_window(xcb_window_t, uint16_t);
 979 void     map_window(struct ws_win *, xcb_window_t);
 980 void     mapnotify(xcb_map_notify_event_t *);
 981 void     mappingnotify(xcb_mapping_notify_event_t *);
 982 void     maprequest(xcb_map_request_event_t *);
 983 void     motionnotify(xcb_motion_notify_event_t *);
 984 void     move(struct ws_win *, union arg *);
 985 void     move_step(struct swm_region *, union arg *);
 986 uint32_t name_to_pixel(int, const char *);
 987 void     name_workspace(struct swm_region *, union arg *);
 988 void     new_region(struct swm_screen *, int, int, int, int);
 989 int      parsekeys(char *, unsigned int, unsigned int *, KeySym *);
 990 int      parsequirks(char *, unsigned long *);
 991 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 992 void     pressbutton(struct swm_region *, union arg *);
 993 void     priorws(struct swm_region *, union arg *);
 994 #ifdef SWM_DEBUG
 995 void     print_win_geom(xcb_window_t);
 996 #endif
 997 void     propertynotify(xcb_property_notify_event_t *);
 998 void     quirk_insert(const char *, const char *, unsigned long);
 999 void     quirk_remove(struct quirk *);
1000 void     quirk_replace(struct quirk *, const char *, const char *,
1001              unsigned long);
1002 void     quit(struct swm_region *, union arg *);
1003 void     raise_toggle(struct swm_region *, union arg *);
1004 void     region_containment(struct ws_win *, struct swm_region *, int);
1005 struct swm_region       *region_under(struct swm_screen *, int, int);
1006 void     regionize(struct ws_win *, int, int);
1007 void     resize(struct ws_win *, union arg *);
1008 void     resize_step(struct swm_region *, union arg *);
1009 void     restart(struct swm_region *, union arg *);
1010 struct swm_region       *root_to_region(xcb_window_t, int);
1011 void     screenchange(xcb_randr_screen_change_notify_event_t *);
1012 void     scan_xrandr(int);
1013 void     search_do_resp(void);
1014 void     search_resp_name_workspace(const char *, size_t);
1015 void     search_resp_search_window(const char *);
1016 void     search_resp_search_workspace(const char *);
1017 void     search_resp_uniconify(const char *, size_t);
1018 void     search_win(struct swm_region *, union arg *);
1019 void     search_win_cleanup(void);
1020 void     search_workspace(struct swm_region *, union arg *);
1021 void     send_to_rg(struct swm_region *, union arg *);
1022 void     send_to_ws(struct swm_region *, union arg *);
1023 void     set_region(struct swm_region *);
1024 int      setautorun(char *, char *, int);
1025 int      setconfbinding(char *, char *, int);
1026 int      setconfcolor(char *, char *, int);
1027 int      setconfmodkey(char *, char *, int);
1028 int      setconfquirk(char *, char *, int);
1029 int      setconfregion(char *, char *, int);
1030 int      setconfspawn(char *, char *, int);
1031 int      setconfvalue(char *, char *, int);
1032 void     setkeybinding(unsigned int, KeySym, enum keyfuncid, const char *);
1033 int      setkeymapping(char *, char *, int);
1034 int      setlayout(char *, char *, int);
1035 void     setquirk(const char *, const char *, unsigned long);
1036 void     setscreencolor(char *, int, int);
1037 void     setspawn(const char *, const char *, int);
1038 void     setup_ewmh(void);
1039 void     setup_globals(void);
1040 void     setup_keys(void);
1041 void     setup_quirks(void);
1042 void     setup_screens(void);
1043 void     setup_spawn(void);
1044 void     set_child_transient(struct ws_win *, xcb_window_t *);
1045 void     set_swm_iconic(struct ws_win *, int);
1046 void     set_win_state(struct ws_win *, uint16_t);
1047 void     shutdown_cleanup(void);
1048 void     sighdlr(int);
1049 void     socket_setnonblock(int);
1050 void     sort_windows(struct ws_win_list *);
1051 void     spawn(int, union arg *, int);
1052 void     spawn_custom(struct swm_region *, union arg *, const char *);
1053 int      spawn_expand(struct swm_region *, union arg *, const char *, char ***);
1054 void     spawn_insert(const char *, const char *, int);
1055 struct spawn_prog       *spawn_find(const char *);
1056 void     spawn_remove(struct spawn_prog *);
1057 void     spawn_replace(struct spawn_prog *, const char *, const char *, int);
1058 void     spawn_select(struct swm_region *, union arg *, const char *, int *);
1059 void     stack_config(struct swm_region *, union arg *);
1060 void     stack_floater(struct ws_win *, struct swm_region *);
1061 void     stack_master(struct workspace *, struct swm_geometry *, int, int);
1062 void     store_float_geom(struct ws_win *);
1063 char    *strdupsafe(const char *);
1064 void     swapwin(struct swm_region *, union arg *);
1065 void     switchws(struct swm_region *, union arg *);
1066 void     teardown_ewmh(void);
1067 void     unfocus_win(struct ws_win *);
1068 void     uniconify(struct swm_region *, union arg *);
1069 void     unmanage_window(struct ws_win *);
1070 void     unmapnotify(xcb_unmap_notify_event_t *);
1071 void     unmap_all(void);
1072 void     unmap_window(struct ws_win *);
1073 void     updatenumlockmask(void);
1074 void     update_modkey(unsigned int);
1075 void     update_window(struct ws_win *);
1076 void     validate_spawns(void);
1077 int      validate_win(struct ws_win *);
1078 int      validate_ws(struct workspace *);
1079 /*void   visibilitynotify(xcb_visibility_notify_event_t *);*/
1080 void     version(struct swm_region *, union arg *);
1081 void     win_to_ws(struct ws_win *, int, int);
1082 pid_t    window_get_pid(xcb_window_t);
1083 void     wkill(struct swm_region *, union arg *);
1084 void     workaround(void);
1085 void     xft_init(struct swm_region *);
1086 void     _add_startup_exception(const char *, va_list);
1087 void     add_startup_exception(const char *, ...);
1088
1089 RB_PROTOTYPE(key_tree, key, entry, key_cmp);
1090 RB_GENERATE(key_tree, key, entry, key_cmp);
1091 struct key_tree                 keys;
1092
1093 void
1094 cursors_load(void)
1095 {
1096         xcb_font_t      cf = XCB_NONE;
1097         int             i;
1098
1099         for (i = 0; i < LENGTH(cursors); ++i) {
1100                 /* try to load Xcursor first. */
1101                 cursors[i].cid = XcursorLibraryLoadCursor(display,
1102                     cursors[i].name);
1103
1104                 /* fallback to cursorfont. */
1105                 if (cursors[i].cid == XCB_CURSOR_NONE) {
1106                         if (cf == XCB_NONE) {
1107                                 cf = xcb_generate_id(conn);
1108                                 xcb_open_font(conn, cf, strlen("cursor"),
1109                                     "cursor");
1110                         }
1111
1112                         cursors[i].cid = xcb_generate_id(conn);
1113                         xcb_create_glyph_cursor(conn, cursors[i].cid, cf, cf,
1114                             cursors[i].cf_char, cursors[i].cf_char + 1, 0, 0, 0,
1115                             0xffff, 0xffff, 0xffff);
1116
1117                 }
1118         }
1119
1120         if (cf != XCB_NONE)
1121                 xcb_close_font(conn, cf);
1122 }
1123
1124 void
1125 cursors_cleanup(void)
1126 {
1127         int     i;
1128         for (i = 0; i < LENGTH(cursors); ++i)
1129                 xcb_free_cursor(conn, cursors[i].cid);
1130 }
1131
1132 char *
1133 expand_tilde(const char *s)
1134 {
1135         struct passwd           *ppwd;
1136         int                     i;
1137         long                    max;
1138         char                    *user;
1139         const char              *sc = s;
1140         char                    *result;
1141
1142         if (s == NULL)
1143                 errx(1, "expand_tilde: NULL string.");
1144
1145         if (s[0] != '~') {
1146                 result = strdup(sc);
1147                 goto out;
1148         }
1149
1150         ++s;
1151
1152         if ((max = sysconf(_SC_LOGIN_NAME_MAX)) == -1)
1153                 errx(1, "expand_tilde: sysconf");
1154
1155         if ((user = calloc(1, max + 1)) == NULL)
1156                 errx(1, "expand_tilde: calloc");
1157
1158         for (i = 0; s[i] != '/' && s[i] != '\0'; ++i)
1159                 user[i] = s[i];
1160         user[i] = '\0';
1161         s = &s[i];
1162
1163         ppwd = strlen(user) == 0 ? getpwuid(getuid()) : getpwnam(user);
1164         free(user);
1165
1166         if (ppwd == NULL)
1167                 result = strdup(sc);
1168         else
1169                 if (asprintf(&result, "%s%s", ppwd->pw_dir, s) == -1)
1170                         result = NULL;
1171 out:
1172         if (result == NULL)
1173                 errx(1, "expand_tilde: failed to allocate memory.");
1174
1175         return result;
1176 }
1177
1178 int
1179 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
1180 {
1181         unsigned int    tmpr, tmpg, tmpb;
1182
1183         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
1184                 return (-1);
1185
1186         *rr = RGB_8_TO_16(tmpr);
1187         *gg = RGB_8_TO_16(tmpg);
1188         *bb = RGB_8_TO_16(tmpb);
1189
1190         return (0);
1191 }
1192
1193 xcb_screen_t *
1194 get_screen(int screen)
1195 {
1196         const xcb_setup_t       *r;
1197         xcb_screen_iterator_t   iter;
1198
1199         if ((r = xcb_get_setup(conn)) == NULL) {
1200                 DNPRINTF(SWM_D_MISC, "get_screen: xcb_get_setup\n");
1201                 check_conn();
1202         }
1203
1204         iter = xcb_setup_roots_iterator(r);
1205         for (; iter.rem; --screen, xcb_screen_next(&iter))
1206                 if (screen == 0)
1207                         return (iter.data);
1208
1209         return (NULL);
1210 }
1211
1212 int
1213 get_screen_count(void)
1214 {
1215         const xcb_setup_t       *r;
1216
1217         if ((r = xcb_get_setup(conn)) == NULL) {
1218                 DNPRINTF(SWM_D_MISC, "get_screen_count: xcb_get_setup\n");
1219                 check_conn();
1220         }
1221
1222         return xcb_setup_roots_length(r);
1223 }
1224
1225 int
1226 get_region_index(struct swm_region *r)
1227 {
1228         struct swm_region       *rr;
1229         int                      ridx = 0;
1230
1231         if (r == NULL)
1232                 return -1;
1233
1234         TAILQ_FOREACH(rr, &r->s->rl, entry) {
1235                 if (rr == r)
1236                         break;
1237                 ++ridx;
1238         }
1239
1240         if (rr == NULL)
1241                 return -1;
1242
1243         return ridx;
1244 }
1245
1246 void
1247 focus_flush(void)
1248 {
1249         if (focus_mode == SWM_FOCUS_DEFAULT)
1250                 event_drain(XCB_ENTER_NOTIFY);
1251         else
1252                 xcb_flush(conn);
1253 }
1254
1255 xcb_atom_t
1256 get_atom_from_string(const char *str)
1257 {
1258         xcb_intern_atom_cookie_t        c;
1259         xcb_intern_atom_reply_t         *r;
1260         xcb_atom_t                      atom;
1261
1262         c = xcb_intern_atom(conn, 0, strlen(str), str);
1263         r = xcb_intern_atom_reply(conn, c, NULL);
1264         if (r) {
1265                 atom = r->atom;
1266                 free(r);
1267
1268                 return (atom);
1269         }
1270
1271         return (XCB_ATOM_NONE);
1272 }
1273
1274 void
1275 set_swm_iconic(struct ws_win *win, int newv)
1276 {
1277         int32_t                         v = newv;
1278
1279         win->iconic = newv;
1280
1281         if (newv)
1282                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1283                     a_swm_iconic, XCB_ATOM_INTEGER, 32, 1, &v);
1284         else
1285                 xcb_delete_property(conn, win->id, a_swm_iconic);
1286 }
1287
1288 int32_t
1289 get_swm_iconic(struct ws_win *win)
1290 {
1291         int32_t                         v = 0;
1292         xcb_get_property_reply_t        *pr = NULL;
1293
1294         pr = xcb_get_property_reply(conn,
1295             xcb_get_property(conn, 0, win->id, a_swm_iconic,
1296             XCB_ATOM_INTEGER, 0, 1), NULL);
1297         if (!pr)
1298                 goto out;
1299         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
1300                 goto out;
1301         v = *((int32_t *)xcb_get_property_value(pr));
1302 out:
1303         if (pr)
1304                 free(pr);
1305         return (v);
1306 }
1307
1308 void
1309 setup_ewmh(void)
1310 {
1311         xcb_atom_t                      sup_list;
1312         int                             i, j, num_screens;
1313
1314         sup_list = get_atom_from_string("_NET_SUPPORTED");
1315
1316         for (i = 0; i < LENGTH(ewmh); i++)
1317                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
1318
1319         num_screens = get_screen_count();
1320         for (i = 0; i < num_screens; i++) {
1321                 /* Support check window will be created by workaround(). */
1322
1323                 /* Report supported atoms */
1324                 xcb_delete_property(conn, screens[i].root, sup_list);
1325                 for (j = 0; j < LENGTH(ewmh); j++)
1326                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
1327                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
1328                             &ewmh[j].atom);
1329         }
1330 }
1331
1332 void
1333 teardown_ewmh(void)
1334 {
1335         int                             i, num_screens;
1336         xcb_atom_t                      sup_check, sup_list;
1337         xcb_window_t                    id;
1338         xcb_get_property_cookie_t       pc;
1339         xcb_get_property_reply_t        *pr;
1340
1341         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
1342         sup_list = get_atom_from_string("_NET_SUPPORTED");
1343         num_screens = get_screen_count();
1344
1345         for (i = 0; i < num_screens; i++) {
1346                 /* Get the support check window and destroy it */
1347                 pc = xcb_get_property(conn, 0, screens[i].root, sup_check,
1348                     XCB_ATOM_WINDOW, 0, 1);
1349                 pr = xcb_get_property_reply(conn, pc, NULL);
1350                 if (!pr)
1351                         continue;
1352                 if (pr->format == sup_check) {
1353                         id = *((xcb_window_t *)xcb_get_property_value(pr));
1354
1355                         xcb_destroy_window(conn, id);
1356                         xcb_delete_property(conn, screens[i].root, sup_check);
1357                         xcb_delete_property(conn, screens[i].root, sup_list);
1358                 }
1359                 free(pr);
1360         }
1361 }
1362
1363 void
1364 ewmh_autoquirk(struct ws_win *win)
1365 {
1366         uint32_t                i, n;
1367         xcb_atom_t              *type;
1368         xcb_get_property_cookie_t       c;
1369         xcb_get_property_reply_t        *r;
1370
1371         c = xcb_get_property(conn, 0, win->id,
1372             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
1373         r = xcb_get_property_reply(conn, c, NULL);
1374         if (!r)
1375                 return;
1376
1377         n = xcb_get_property_value_length(r);
1378         type = xcb_get_property_value(r);
1379
1380         for (i = 0; i < n; i++) {
1381                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
1382                         break;
1383                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
1384                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
1385                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
1386                         win->floating = 1;
1387                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
1388                         break;
1389                 }
1390                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
1391                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
1392                         win->floating = 1;
1393                         win->quirks = SWM_Q_FLOAT;
1394                         break;
1395                 }
1396         }
1397         free(r);
1398 }
1399
1400 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
1401 #define EWMH_F_FULLSCREEN               (1<<0)
1402 #define EWMH_F_ABOVE                    (1<<1)
1403 #define EWMH_F_HIDDEN                   (1<<2)
1404 #define EWMH_F_SKIP_PAGER               (1<<3)
1405 #define EWMH_F_SKIP_TASKBAR             (1<<4)
1406 #define SWM_F_MANUAL                    (1<<5)
1407
1408 int
1409 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
1410 {
1411         if (!win->ws->r)
1412                 return (0);
1413
1414         if (!win->floating)
1415                 return (0);
1416
1417         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
1418             "fullscreen %s\n", win->id, YESNO(fs));
1419
1420         if (fs) {
1421                 if (!win->g_floatvalid)
1422                         store_float_geom(win);
1423
1424                 win->g = win->ws->r->g;
1425                 win->bordered = 0;
1426         } else {
1427                 load_float_geom(win);
1428         }
1429
1430         return (1);
1431 }
1432
1433 void
1434 ewmh_update_actions(struct ws_win *win)
1435 {
1436         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
1437         int                     n = 0;
1438
1439         if (win == NULL)
1440                 return;
1441
1442         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
1443
1444         if (win->floating) {
1445                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
1446                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
1447                 actions[n++] = ewmh[_NET_WM_ACTION_ABOVE].atom;
1448         }
1449
1450         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1451             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
1452 }
1453
1454 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
1455 #define _NET_WM_STATE_ADD       1    /* add/set property */
1456 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
1457
1458 void
1459 ewmh_update_win_state(struct ws_win *win, xcb_atom_t state, long action)
1460 {
1461         unsigned int            mask = 0;
1462         unsigned int            changed = 0;
1463         unsigned int            orig_flags;
1464
1465         if (win == NULL)
1466                 return;
1467
1468         DNPRINTF(SWM_D_PROP, "ewmh_update_win_state: window: 0x%x, state: %ld, "
1469             "action: %ld\n", win->id, (unsigned long)state, action);
1470
1471         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1472                 mask = EWMH_F_FULLSCREEN;
1473         else if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
1474                 mask = EWMH_F_ABOVE;
1475         else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1476                 mask = SWM_F_MANUAL;
1477         else if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
1478                 mask = EWMH_F_SKIP_PAGER;
1479         else if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
1480                 mask = EWMH_F_SKIP_TASKBAR;
1481
1482         orig_flags = win->ewmh_flags;
1483
1484         switch (action) {
1485         case _NET_WM_STATE_REMOVE:
1486                 win->ewmh_flags &= ~mask;
1487                 break;
1488         case _NET_WM_STATE_ADD:
1489                 win->ewmh_flags |= mask;
1490                 break;
1491         case _NET_WM_STATE_TOGGLE:
1492                 win->ewmh_flags ^= mask;
1493                 break;
1494         }
1495
1496         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
1497
1498         if (state == ewmh[_NET_WM_STATE_ABOVE].atom) {
1499                 if (changed && !floating_toggle_win(win))
1500                                 win->ewmh_flags = orig_flags; /* revert */
1501         } else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom) {
1502                 if (changed)
1503                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
1504         } else if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom) {
1505                 if (changed && !ewmh_set_win_fullscreen(win,
1506                             win->ewmh_flags & EWMH_F_FULLSCREEN))
1507                                 win->ewmh_flags = orig_flags; /* revert */
1508         }
1509
1510         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
1511
1512         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
1513                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1514                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1515                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
1516         else if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1517                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1518                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1519                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1520         else if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1521                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1522                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1523                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1524         else if (win->ewmh_flags & EWMH_F_ABOVE)
1525                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1526                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1527                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1528         else if (win->ewmh_flags & SWM_F_MANUAL)
1529                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1530                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1531                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1532 }
1533
1534 void
1535 ewmh_get_win_state(struct ws_win *win)
1536 {
1537         xcb_atom_t                      *states;
1538         xcb_get_property_cookie_t       c;
1539         xcb_get_property_reply_t        *r;
1540         int                             i, n;
1541
1542         if (win == NULL)
1543                 return;
1544
1545         win->ewmh_flags = 0;
1546         if (win->floating)
1547                 win->ewmh_flags |= EWMH_F_ABOVE;
1548         if (win->manual)
1549                 win->ewmh_flags |= SWM_F_MANUAL;
1550
1551         c = xcb_get_property(conn, 0, win->id, ewmh[_NET_WM_STATE].atom,
1552             XCB_ATOM_ATOM, 0, UINT32_MAX);
1553         r = xcb_get_property_reply(conn, c, NULL);
1554         if (!r)
1555                 return;
1556
1557         states = xcb_get_property_value(r);
1558         n = xcb_get_property_value_length(r);
1559
1560         for (i = 0; i < n; i++)
1561                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1562
1563         free(r);
1564 }
1565
1566 /* events */
1567 #ifdef SWM_DEBUG
1568 void
1569 dumpwins(struct swm_region *r, union arg *args)
1570 {
1571         struct ws_win                           *win;
1572         uint32_t                                state;
1573         xcb_get_window_attributes_cookie_t      c;
1574         xcb_get_window_attributes_reply_t       *wa;
1575
1576         /* suppress unused warning since var is needed */
1577         (void)args;
1578
1579         if (r->ws == NULL) {
1580                 warnx("dumpwins: invalid workspace");
1581                 return;
1582         }
1583
1584         warnx("=== managed window list ws %02d ===", r->ws->idx);
1585         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1586                 state = getstate(win->id);
1587                 c = xcb_get_window_attributes(conn, win->id);
1588                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1589                 if (wa) {
1590                         warnx("window: 0x%x, map_state: %d, state: %u, "
1591                             "transient: 0x%x", win->id, wa->map_state,
1592                             state, win->transient);
1593                         free(wa);
1594                 } else
1595                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1596                             win->id);
1597         }
1598
1599         warnx("===== unmanaged window list =====");
1600         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1601                 state = getstate(win->id);
1602                 c = xcb_get_window_attributes(conn, win->id);
1603                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1604                 if (wa) {
1605                         warnx("window: 0x%x, map_state: %d, state: %u, "
1606                             "transient: 0x%x", win->id, wa->map_state,
1607                             state, win->transient);
1608                         free(wa);
1609                 } else
1610                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1611                             win->id);
1612         }
1613
1614         warnx("=================================");
1615 }
1616 #else
1617 void
1618 dumpwins(struct swm_region *r, union arg *s)
1619 {
1620         (void)r;
1621         (void)s;
1622 }
1623 #endif /* SWM_DEBUG */
1624
1625 void
1626 sighdlr(int sig)
1627 {
1628         int                     saved_errno, status;
1629         pid_t                   pid;
1630
1631         saved_errno = errno;
1632
1633         switch (sig) {
1634         case SIGCHLD:
1635                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1636                         if (pid == -1) {
1637                                 if (errno == EINTR)
1638                                         continue;
1639 #ifdef SWM_DEBUG
1640                                 if (errno != ECHILD)
1641                                         warn("sighdlr: waitpid");
1642 #endif /* SWM_DEBUG */
1643                                 break;
1644                         }
1645                         if (pid == searchpid)
1646                                 search_resp = 1;
1647
1648 #ifdef SWM_DEBUG
1649                         if (WIFEXITED(status)) {
1650                                 if (WEXITSTATUS(status) != 0)
1651                                         warnx("sighdlr: child exit status: %d",
1652                                             WEXITSTATUS(status));
1653                         } else
1654                                 warnx("sighdlr: child is terminated "
1655                                     "abnormally");
1656 #endif /* SWM_DEBUG */
1657                 }
1658                 break;
1659
1660         case SIGHUP:
1661                 restart_wm = 1;
1662                 break;
1663         case SIGINT:
1664         case SIGTERM:
1665         case SIGQUIT:
1666                 running = 0;
1667                 break;
1668         }
1669
1670         errno = saved_errno;
1671 }
1672
1673 struct pid_e *
1674 find_pid(pid_t pid)
1675 {
1676         struct pid_e            *p = NULL;
1677
1678         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1679
1680         if (pid == 0)
1681                 return (NULL);
1682
1683         TAILQ_FOREACH(p, &pidlist, entry) {
1684                 if (p->pid == pid)
1685                         return (p);
1686         }
1687
1688         return (NULL);
1689 }
1690
1691 uint32_t
1692 name_to_pixel(int sidx, const char *colorname)
1693 {
1694         uint32_t                        result = 0;
1695         char                            cname[32] = "#";
1696         xcb_screen_t                    *screen;
1697         xcb_colormap_t                  cmap;
1698         xcb_alloc_color_reply_t         *cr;
1699         xcb_alloc_named_color_reply_t   *nr;
1700         uint16_t                        rr, gg, bb;
1701
1702         screen = get_screen(sidx);
1703         cmap = screen->default_colormap;
1704
1705         /* color is in format rgb://rr/gg/bb */
1706         if (strncmp(colorname, "rgb:", 4) == 0) {
1707                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1708                         warnx("could not parse rgb %s", colorname);
1709                 else {
1710                         cr = xcb_alloc_color_reply(conn,
1711                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1712                             NULL);
1713                         if (cr) {
1714                                 result = cr->pixel;
1715                                 free(cr);
1716                         } else
1717                                 warnx("color '%s' not found", colorname);
1718                 }
1719         } else {
1720                 nr = xcb_alloc_named_color_reply(conn,
1721                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1722                             colorname), NULL);
1723                 if (!nr) {
1724                         strlcat(cname, colorname + 2, sizeof cname - 1);
1725                         nr = xcb_alloc_named_color_reply(conn,
1726                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1727                             cname), NULL);
1728                 }
1729                 if (nr) {
1730                         result = nr->pixel;
1731                         free(nr);
1732                 } else
1733                         warnx("color '%s' not found", colorname);
1734         }
1735
1736         return (result);
1737 }
1738
1739 void
1740 setscreencolor(char *val, int i, int c)
1741 {
1742         int     num_screens;
1743
1744         num_screens = get_screen_count();
1745         if (i > 0 && i <= num_screens) {
1746                 screens[i - 1].c[c].pixel = name_to_pixel(i - 1, val);
1747                 free(screens[i - 1].c[c].name);
1748                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1749                         err(1, "strdup");
1750         } else if (i == -1) {
1751                 for (i = 0; i < num_screens; i++) {
1752                         screens[i].c[c].pixel = name_to_pixel(0, val);
1753                         free(screens[i].c[c].name);
1754                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1755                                 err(1, "strdup");
1756                 }
1757         } else
1758                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1759                     i, num_screens);
1760 }
1761
1762 void
1763 fancy_stacker(struct workspace *ws)
1764 {
1765         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1766         if (ws->cur_layout->l_stack == vertical_stack)
1767                 snprintf(ws->stacker, sizeof ws->stacker,
1768                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1769                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1770         if (ws->cur_layout->l_stack == horizontal_stack)
1771                 snprintf(ws->stacker, sizeof ws->stacker,
1772                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1773                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1774 }
1775
1776 void
1777 plain_stacker(struct workspace *ws)
1778 {
1779         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1780         if (ws->cur_layout->l_stack == vertical_stack)
1781                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1782                     sizeof ws->stacker);
1783         if (ws->cur_layout->l_stack == horizontal_stack)
1784                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1785                     sizeof ws->stacker);
1786 }
1787
1788 void
1789 custom_region(char *val)
1790 {
1791         unsigned int                    x, y, w, h;
1792         int                             sidx, num_screens;
1793         xcb_screen_t                    *screen;
1794
1795         num_screens = get_screen_count();
1796         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1797                 errx(1, "invalid custom region, "
1798                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1799         if (sidx < 1 || sidx > num_screens)
1800                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1801                     sidx, num_screens);
1802         sidx--;
1803
1804         if ((screen = get_screen(sidx)) == NULL)
1805                 errx(1, "ERROR: can't get screen %d.", sidx);
1806
1807         if (w < 1 || h < 1)
1808                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1809
1810         if (x > screen->width_in_pixels ||
1811             y > screen->height_in_pixels ||
1812             w + x > screen->width_in_pixels ||
1813             h + y > screen->height_in_pixels) {
1814                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1815                     "boundaries (%ux%u)", w, h, x, y,
1816                     screen->width_in_pixels, screen->height_in_pixels);
1817                 return;
1818         }
1819
1820         new_region(&screens[sidx], x, y, w, h);
1821 }
1822
1823 void
1824 socket_setnonblock(int fd)
1825 {
1826         int                     flags;
1827
1828         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1829                 err(1, "fcntl F_GETFL");
1830         flags |= O_NONBLOCK;
1831         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1832                 err(1, "fcntl F_SETFL");
1833 }
1834
1835 void
1836 bar_print_legacy(struct swm_region *r, const char *s)
1837 {
1838         xcb_rectangle_t         rect;
1839         uint32_t                gcv[1];
1840         XGCValues               gcvd;
1841         int                     x = 0;
1842         size_t                  len;
1843         XRectangle              ibox, lbox;
1844         GC                      draw;
1845
1846         len = strlen(s);
1847         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1848
1849         switch (bar_justify) {
1850         case SWM_BAR_JUSTIFY_LEFT:
1851                 x = SWM_BAR_OFFSET;
1852                 break;
1853         case SWM_BAR_JUSTIFY_CENTER:
1854                 x = (WIDTH(r) - lbox.width) / 2;
1855                 break;
1856         case SWM_BAR_JUSTIFY_RIGHT:
1857                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1858                 break;
1859         }
1860
1861         if (x < SWM_BAR_OFFSET)
1862                 x = SWM_BAR_OFFSET;
1863
1864         rect.x = 0;
1865         rect.y = 0;
1866         rect.width = WIDTH(r->bar);
1867         rect.height = HEIGHT(r->bar);
1868
1869         /* clear back buffer */
1870         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1871         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1872         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1873
1874         /* draw back buffer */
1875         gcvd.graphics_exposures = 0;
1876         draw = XCreateGC(display, r->bar->buffer, GCGraphicsExposures, &gcvd);
1877         XSetForeground(display, draw, r->s->c[SWM_S_COLOR_BAR_FONT].pixel);
1878         DRAWSTRING(display, r->bar->buffer, bar_fs, draw,
1879             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1880             lbox.y, s, len);
1881         XFreeGC(display, draw);
1882
1883         /* blt */
1884         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1885             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1886 }
1887
1888 void
1889 bar_print(struct swm_region *r, const char *s)
1890 {
1891         size_t                          len;
1892         xcb_rectangle_t                 rect;
1893         uint32_t                        gcv[1];
1894         int32_t                         x = 0;
1895         XGlyphInfo                      info;
1896         XftDraw                         *draw;
1897
1898         len = strlen(s);
1899
1900         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
1901
1902         switch (bar_justify) {
1903         case SWM_BAR_JUSTIFY_LEFT:
1904                 x = SWM_BAR_OFFSET;
1905                 break;
1906         case SWM_BAR_JUSTIFY_CENTER:
1907                 x = (WIDTH(r) - info.width) / 2;
1908                 break;
1909         case SWM_BAR_JUSTIFY_RIGHT:
1910                 x = WIDTH(r) - info.width - SWM_BAR_OFFSET;
1911                 break;
1912         }
1913
1914         if (x < SWM_BAR_OFFSET)
1915                 x = SWM_BAR_OFFSET;
1916
1917         rect.x = 0;
1918         rect.y = 0;
1919         rect.width = WIDTH(r->bar);
1920         rect.height = HEIGHT(r->bar);
1921
1922         /* clear back buffer */
1923         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1924         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1925         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1926
1927         /* draw back buffer */
1928         draw = XftDrawCreate(display, r->bar->buffer,
1929             DefaultVisual(display, r->s->idx),
1930             DefaultColormap(display, r->s->idx));
1931
1932         XftDrawStringUtf8(draw, &bar_font_color, bar_font, x,
1933             (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
1934             (FcChar8 *)s, len);
1935
1936         XftDrawDestroy(draw);
1937
1938         /* blt */
1939         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1940             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1941 }
1942
1943 void
1944 bar_extra_stop(void)
1945 {
1946         if (bar_pipe[0]) {
1947                 close(bar_pipe[0]);
1948                 bzero(bar_pipe, sizeof bar_pipe);
1949         }
1950         if (bar_pid) {
1951                 kill(bar_pid, SIGTERM);
1952                 bar_pid = 0;
1953         }
1954         strlcpy(bar_ext, "", sizeof bar_ext);
1955         bar_extra = 0;
1956 }
1957
1958 void
1959 bar_class_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         if (r->ws->focus->ch.class_name != NULL)
1964                 strlcat(s, r->ws->focus->ch.class_name, sz);
1965 }
1966
1967 void
1968 bar_title_name(char *s, size_t sz, struct swm_region *r)
1969 {
1970         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1971                 return;
1972         if (r->ws->focus->ch.instance_name != NULL)
1973                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1974 }
1975
1976 void
1977 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1978 {
1979         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1980                 return;
1981
1982         bar_class_name(s, sz, r);
1983         strlcat(s, ":", sz);
1984         bar_title_name(s, sz, r);
1985 }
1986
1987 void
1988 bar_window_float(char *s, size_t sz, struct swm_region *r)
1989 {
1990         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1991                 return;
1992         if (r->ws->focus->floating)
1993                 strlcat(s, "(f)", sz);
1994 }
1995
1996 void
1997 bar_window_name(char *s, size_t sz, struct swm_region *r)
1998 {
1999         char            *title;
2000
2001         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
2002                 return;
2003         if ((title = get_win_name(r->ws->focus->id)) == NULL)
2004                 return;
2005
2006         strlcat(s, title, sz);
2007         free(title);
2008 }
2009
2010 void
2011 bar_urgent(char *s, size_t sz)
2012 {
2013         struct ws_win           *win;
2014         int                     i, j, num_screens;
2015         int                     urgent[SWM_WS_MAX];
2016         char                    b[8];
2017         xcb_get_property_cookie_t       c;
2018         xcb_icccm_wm_hints_t    hints;
2019
2020         for (i = 0; i < workspace_limit; i++)
2021                 urgent[i] = 0;
2022
2023         num_screens = get_screen_count();
2024         for (i = 0; i < num_screens; i++)
2025                 for (j = 0; j < workspace_limit; j++)
2026                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
2027                                 c = xcb_icccm_get_wm_hints(conn, win->id);
2028                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
2029                                     &hints, NULL) == 0)
2030                                         continue;
2031                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
2032                                         urgent[j] = 1;
2033                         }
2034
2035         for (i = 0; i < workspace_limit; i++) {
2036                 if (urgent[i])
2037                         snprintf(b, sizeof b, "%d ", i + 1);
2038                 else
2039                         snprintf(b, sizeof b, "- ");
2040                 strlcat(s, b, sz);
2041         }
2042 }
2043
2044 void
2045 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
2046 {
2047         if (r == NULL || r->ws == NULL)
2048                 return;
2049         if (r->ws->name != NULL)
2050                 strlcat(s, r->ws->name, sz);
2051 }
2052
2053 /* build the default bar format according to the defined enabled options */
2054 void
2055 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
2056 {
2057         /* if format provided, just copy the buffers */
2058         if (bar_format != NULL) {
2059                 strlcpy(fmtnew, fmtexp, sz);
2060                 return;
2061         }
2062
2063         /* reset the output buffer */
2064         *fmtnew = '\0';
2065
2066         strlcat(fmtnew, "+N:+I ", sz);
2067         if (stack_enabled)
2068                 strlcat(fmtnew, "+S", sz);
2069         strlcat(fmtnew, " ", sz);
2070
2071         /* only show the workspace name if there's actually one */
2072         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
2073                 strlcat(fmtnew, "<+D>", sz);
2074         strlcat(fmtnew, "+3<", sz);
2075
2076         if (clock_enabled) {
2077                 strlcat(fmtnew, fmtexp, sz);
2078                 strlcat(fmtnew, "+4<", sz);
2079         }
2080
2081         /* bar_urgent already adds the space before the last asterisk */
2082         if (urgent_enabled)
2083                 strlcat(fmtnew, "* +U*+4<", sz);
2084
2085         if (title_class_enabled) {
2086                 strlcat(fmtnew, "+C", sz);
2087                 if (!title_name_enabled)
2088                         strlcat(fmtnew, "+4<", sz);
2089         }
2090
2091         /* checks needed by the colon and floating strlcat(3) calls below */
2092         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
2093                 if (title_name_enabled) {
2094                         if (title_class_enabled)
2095                                 strlcat(fmtnew, ":", sz);
2096                         strlcat(fmtnew, "+T+4<", sz);
2097                 }
2098                 if (window_name_enabled) {
2099                         if (r->ws->focus->floating)
2100                                 strlcat(fmtnew, "+F ", sz);
2101                         strlcat(fmtnew, "+64W ", sz);
2102                 }
2103         }
2104
2105         /* finally add the action script output and the version */
2106         strlcat(fmtnew, "+4<+A+4<+V", sz);
2107 }
2108
2109 void
2110 bar_replace_pad(char *tmp, int *limit, size_t sz)
2111 {
2112         /* special case; no limit given, pad one space, instead */
2113         if (*limit == (int)sz - 1)
2114                 *limit = 1;
2115         snprintf(tmp, sz, "%*s", *limit, " ");
2116 }
2117
2118 /* replaces the bar format character sequences (like in tmux(1)) */
2119 char *
2120 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
2121     size_t sz)
2122 {
2123         char                    *ptr;
2124         char                    tmp[SWM_BAR_MAX];
2125         int                     limit, size;
2126         size_t                  len;
2127
2128         /* reset strlcat(3) buffer */
2129         *tmp = '\0';
2130
2131         /* get number, if any */
2132         fmt++;
2133         size = 0;
2134         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
2135                 limit = sizeof tmp - 1;
2136         if (limit <= 0 || limit >= (int)sizeof tmp)
2137                 limit = sizeof tmp - 1;
2138
2139         /* there is nothing to replace (ie EOL) */
2140         fmt += size;
2141         if (*fmt == '\0')
2142                 return (fmt);
2143
2144         switch (*fmt) {
2145         case '<':
2146                 bar_replace_pad(tmp, &limit, sizeof tmp);
2147                 break;
2148         case 'A':
2149                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
2150                 break;
2151         case 'C':
2152                 bar_class_name(tmp, sizeof tmp, r);
2153                 break;
2154         case 'D':
2155                 bar_workspace_name(tmp, sizeof tmp, r);
2156                 break;
2157         case 'F':
2158                 bar_window_float(tmp, sizeof tmp, r);
2159                 break;
2160         case 'I':
2161                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
2162                 break;
2163         case 'N':
2164                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
2165                 break;
2166         case 'P':
2167                 bar_class_title_name(tmp, sizeof tmp, r);
2168                 break;
2169         case 'S':
2170                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
2171                 break;
2172         case 'T':
2173                 bar_title_name(tmp, sizeof tmp, r);
2174                 break;
2175         case 'U':
2176                 bar_urgent(tmp, sizeof tmp);
2177                 break;
2178         case 'V':
2179                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
2180                 break;
2181         case 'W':
2182                 bar_window_name(tmp, sizeof tmp, r);
2183                 break;
2184         default:
2185                 /* unknown character sequence; copy as-is */
2186                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
2187                 break;
2188         }
2189
2190         len = strlen(tmp);
2191         ptr = tmp;
2192         if ((int)len < limit)
2193                 limit = len;
2194         while (limit-- > 0) {
2195                 if (*offrep >= sz - 1)
2196                         break;
2197                 fmtrep[(*offrep)++] = *ptr++;
2198         }
2199
2200         fmt++;
2201         return (fmt);
2202 }
2203
2204 void
2205 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
2206 {
2207         size_t                  off;
2208
2209         off = 0;
2210         while (*fmt != '\0') {
2211                 if (*fmt != '+') {
2212                         /* skip ordinary characters */
2213                         if (off >= sz - 1)
2214                                 break;
2215                         fmtrep[off++] = *fmt++;
2216                         continue;
2217                 }
2218
2219                 /* character sequence found; replace it */
2220                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
2221                 if (off >= sz - 1)
2222                         break;
2223         }
2224
2225         fmtrep[off] = '\0';
2226 }
2227
2228 void
2229 bar_fmt_expand(char *fmtexp, size_t sz)
2230 {
2231         char                    *fmt = NULL;
2232         size_t                  len;
2233         struct tm               tm;
2234         time_t                  tmt;
2235
2236         /* start by grabbing the current time and date */
2237         time(&tmt);
2238         localtime_r(&tmt, &tm);
2239
2240         /* figure out what to expand */
2241         if (bar_format != NULL)
2242                 fmt = bar_format;
2243         else if (bar_format == NULL && clock_enabled)
2244                 fmt = clock_format;
2245         /* if nothing to expand bail out */
2246         if (fmt == NULL) {
2247                 *fmtexp = '\0';
2248                 return;
2249         }
2250
2251         /* copy as-is, just in case the format shouldn't be expanded below */
2252         strlcpy(fmtexp, fmt, sz);
2253         /* finally pass the string through strftime(3) */
2254 #ifndef SWM_DENY_CLOCK_FORMAT
2255         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
2256                 warnx("format too long");
2257         fmtexp[len] = '\0';
2258 #endif
2259 }
2260
2261 /* Redraws the bar; need to follow with xcb_flush() or focus_flush(). */
2262 void
2263 bar_draw(void)
2264 {
2265         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
2266         char                    fmtrep[SWM_BAR_MAX];
2267         int                     i, num_screens;
2268         struct swm_region       *r;
2269
2270         /* expand the format by first passing it through strftime(3) */
2271         bar_fmt_expand(fmtexp, sizeof fmtexp);
2272
2273         num_screens = get_screen_count();
2274         for (i = 0; i < num_screens; i++) {
2275                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2276                         if (r->bar == NULL)
2277                                 continue;
2278
2279                         if (bar_enabled && r->ws->bar_enabled)
2280                                 xcb_map_window(conn, r->bar->id);
2281                         else {
2282                                 xcb_unmap_window(conn, r->bar->id);
2283                                 continue;
2284                         }
2285
2286                         if (startup_exception)
2287                                 snprintf(fmtrep, sizeof fmtrep, "total "
2288                                     "exceptions: %d, first exception: %s",
2289                                     nr_exceptions,
2290                                     startup_exception);
2291                         else {
2292                                 bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
2293                                 bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
2294                         }
2295                         if (bar_font_legacy)
2296                                 bar_print_legacy(r, fmtrep);
2297                         else
2298                                 bar_print(r, fmtrep);
2299                 }
2300         }
2301 }
2302
2303 /*
2304  * Reads external script output; call when stdin is readable.
2305  * Returns 1 if bar_ext was updated; otherwise 0.
2306  */
2307 int
2308 bar_extra_update(void)
2309 {
2310         size_t          len;
2311         char            b[SWM_BAR_MAX];
2312         int             changed = 0;
2313
2314         if (!bar_extra)
2315                 return changed;
2316
2317         while (fgets(b, sizeof(b), stdin) != NULL) {
2318                 if (bar_enabled) {
2319                         len = strlen(b);
2320                         if (b[len - 1] == '\n') {
2321                                 /* Remove newline. */
2322                                 b[--len] = '\0';
2323
2324                                 /* "Clear" bar_ext. */
2325                                 bar_ext[0] = '\0';
2326
2327                                 /* Flush buffered output. */
2328                                 strlcpy(bar_ext, bar_ext_buf, sizeof(bar_ext));
2329                                 bar_ext_buf[0] = '\0';
2330
2331                                 /* Append new output to bar. */
2332                                 strlcat(bar_ext, b, sizeof(bar_ext));
2333
2334                                 changed = 1;
2335                         } else {
2336                                 /* Buffer output. */
2337                                 strlcat(bar_ext_buf, b, sizeof(bar_ext_buf));
2338                         }
2339                 }
2340         }
2341
2342         if (errno != EAGAIN) {
2343                 warn("bar_action failed");
2344                 bar_extra_stop();
2345                 changed = 1;
2346         }
2347
2348         return changed;
2349 }
2350
2351 void
2352 bar_toggle(struct swm_region *r, union arg *args)
2353 {
2354         struct swm_region       *tmpr;
2355         int                     i, num_screens;
2356
2357         /* suppress unused warnings since vars are needed */
2358         (void)r;
2359         (void)args;
2360
2361         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
2362
2363         switch (args->id) {
2364         case SWM_ARG_ID_BAR_TOGGLE_WS:
2365                 /* Only change if master switch is enabled. */
2366                 if (bar_enabled)
2367                         r->ws->bar_enabled = !r->ws->bar_enabled;
2368                 else
2369                         bar_enabled = r->ws->bar_enabled = 1;
2370                 break;
2371         case SWM_ARG_ID_BAR_TOGGLE:
2372                 bar_enabled = !bar_enabled;
2373                 break;
2374         }
2375
2376         /* update bars as necessary */
2377         num_screens = get_screen_count();
2378         for (i = 0; i < num_screens; i++)
2379                 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
2380                         if (tmpr->bar) {
2381                                 if (bar_enabled && tmpr->ws->bar_enabled)
2382                                         xcb_map_window(conn, tmpr->bar->id);
2383                                 else
2384                                         xcb_unmap_window(conn, tmpr->bar->id);
2385                         }
2386
2387         stack();
2388
2389         /* must be after stack */
2390         bar_draw();
2391
2392         focus_flush();
2393 }
2394
2395 void
2396 bar_extra_setup(void)
2397 {
2398         /* do this here because the conf file is in memory */
2399         if (!bar_extra && bar_argv[0]) {
2400                 /* launch external status app */
2401                 bar_extra = 1;
2402                 if (pipe(bar_pipe) == -1)
2403                         err(1, "pipe error");
2404                 socket_setnonblock(bar_pipe[0]);
2405                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
2406
2407                 /* Set stdin to read from the pipe. */
2408                 if (dup2(bar_pipe[0], STDIN_FILENO) == -1)
2409                         err(1, "dup2");
2410
2411                 /* Set stdout to write to the pipe. */
2412                 if (dup2(bar_pipe[1], STDOUT_FILENO) == -1)
2413                         err(1, "dup2");
2414
2415                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
2416                         err(1, "could not disable SIGPIPE");
2417                 switch (bar_pid = fork()) {
2418                 case -1:
2419                         err(1, "cannot fork");
2420                         break;
2421                 case 0: /* child */
2422                         close(bar_pipe[0]);
2423                         execvp(bar_argv[0], bar_argv);
2424                         err(1, "%s external app failed", bar_argv[0]);
2425                         break;
2426                 default: /* parent */
2427                         close(bar_pipe[1]);
2428                         break;
2429                 }
2430
2431                 atexit(kill_bar_extra_atexit);
2432         }
2433 }
2434
2435 void
2436 kill_bar_extra_atexit(void)
2437 {
2438         if (bar_pid)
2439                 kill(bar_pid, SIGTERM);
2440 }
2441
2442 int
2443 isxlfd(char *s)
2444 {
2445         int      count = 0;
2446
2447         while ((s = index(s, '-'))) {
2448                 ++count;
2449                 ++s;
2450         }
2451
2452         return (count == 14);
2453 }
2454
2455 void
2456 fontset_init(void)
2457 {
2458         char                    *default_string;
2459         char                    **missing_charsets;
2460         int                     num_missing_charsets = 0;
2461         int                     i;
2462
2463         if (bar_fs) {
2464                 XFreeFontSet(display, bar_fs);
2465                 bar_fs = NULL;
2466         }
2467
2468         DNPRINTF(SWM_D_INIT, "fontset_init: loading bar_fonts: %s\n", bar_fonts);
2469
2470         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
2471             &num_missing_charsets, &default_string);
2472
2473         if (num_missing_charsets > 0) {
2474                 warnx("Unable to load charset(s):");
2475
2476                 for (i = 0; i < num_missing_charsets; ++i)
2477                         warnx("%s", missing_charsets[i]);
2478
2479                 XFreeStringList(missing_charsets);
2480
2481                 if (strcmp(default_string, ""))
2482                         warnx("Glyphs from those sets will be replaced "
2483                             "by '%s'.", default_string);
2484                 else
2485                         warnx("Glyphs from those sets won't be drawn.");
2486         }
2487
2488         if (bar_fs == NULL)
2489                 errx(1, "Error creating font set structure.");
2490
2491         bar_fs_extents = XExtentsOfFontSet(bar_fs);
2492
2493         bar_height = bar_fs_extents->max_logical_extent.height +
2494             2 * bar_border_width;
2495
2496         if (bar_height < 1)
2497                 bar_height = 1;
2498 }
2499
2500 void
2501 xft_init(struct swm_region *r)
2502 {
2503         char                    *font, *d, *search;
2504         XRenderColor            color;
2505
2506         if (bar_font == NULL) {
2507                 if ((d = strdup(bar_fonts)) == NULL)
2508                         errx(1, "insufficient memory.");
2509                 search = d;
2510                 while ((font = strsep(&search, ",")) != NULL) {
2511                         if (*font == '\0')
2512                                 continue;
2513
2514                         DNPRINTF(SWM_D_INIT, "xft_init: try font %s\n", font);
2515
2516                         if (isxlfd(font)) {
2517                                 bar_font = XftFontOpenXlfd(display, r->s->idx,
2518                                                 font);
2519                         } else {
2520                                 bar_font = XftFontOpenName(display, r->s->idx,
2521                                                 font);
2522                         }
2523
2524                         if (!bar_font) {
2525                                 warnx("unable to load font %s", font);
2526                                 continue;
2527                         } else {
2528                                 DNPRINTF(SWM_D_INIT, "successfully opened "
2529                                     "font %s\n", font);
2530                                 break;
2531                         }
2532                 }
2533                 free(d);
2534         }
2535
2536         if (bar_font == NULL)
2537                 errx(1, "unable to open a font");
2538
2539         PIXEL_TO_XRENDERCOLOR(r->s->c[SWM_S_COLOR_BAR_FONT].pixel, color);
2540
2541         if (!XftColorAllocValue(display, DefaultVisual(display, r->s->idx),
2542             DefaultColormap(display, r->s->idx), &color, &bar_font_color))
2543                 warn("Xft error: unable to allocate color.");
2544
2545         bar_height = bar_font->height + 2 * bar_border_width;
2546
2547         if (bar_height < 1)
2548                 bar_height = 1;
2549 }
2550
2551 void
2552 bar_setup(struct swm_region *r)
2553 {
2554         xcb_screen_t    *screen;
2555         uint32_t         wa[3];
2556
2557         DNPRINTF(SWM_D_BAR, "bar_setup: screen %d.\n",
2558             r->s->idx);
2559
2560         if ((screen = get_screen(r->s->idx)) == NULL)
2561                 errx(1, "ERROR: can't get screen %d.", r->s->idx);
2562
2563         if (r->bar != NULL)
2564                 return;
2565
2566         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
2567                 err(1, "bar_setup: calloc: failed to allocate memory.");
2568
2569         if (bar_font_legacy)
2570                 fontset_init();
2571         else
2572                 xft_init(r);
2573
2574         X(r->bar) = X(r);
2575         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
2576         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
2577         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
2578
2579         /* Assume region is unfocused when we create the bar. */
2580         r->bar->id = xcb_generate_id(conn);
2581         wa[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
2582         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER_UNFOCUS].pixel;
2583         wa[2] = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_POINTER_MOTION |
2584             XCB_EVENT_MASK_POINTER_MOTION_HINT;
2585
2586         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
2587             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
2588             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
2589             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
2590             | XCB_CW_EVENT_MASK, wa);
2591
2592         r->bar->buffer = xcb_generate_id(conn);
2593         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
2594             WIDTH(r->bar), HEIGHT(r->bar));
2595
2596         if (xrandr_support)
2597                 xcb_randr_select_input(conn, r->bar->id,
2598                     XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
2599
2600         if (bar_enabled)
2601                 xcb_map_window(conn, r->bar->id);
2602
2603         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
2604             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
2605             HEIGHT(r->bar));
2606
2607         bar_extra_setup();
2608 }
2609
2610 void
2611 bar_cleanup(struct swm_region *r)
2612 {
2613         if (r->bar == NULL)
2614                 return;
2615         xcb_destroy_window(conn, r->bar->id);
2616         xcb_free_pixmap(conn, r->bar->buffer);
2617         free(r->bar);
2618         r->bar = NULL;
2619 }
2620
2621 void
2622 set_win_state(struct ws_win *win, uint16_t state)
2623 {
2624         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2625
2626         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x, state: %u\n",
2627             win->id, state);
2628
2629         if (win == NULL)
2630                 return;
2631
2632         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
2633             a_state, 32, 2, data);
2634 }
2635
2636 uint32_t
2637 getstate(xcb_window_t w)
2638 {
2639         uint32_t                        result = 0;
2640         xcb_get_property_cookie_t       c;
2641         xcb_get_property_reply_t        *r;
2642
2643         c = xcb_get_property(conn, 0, w, a_state, a_state, 0L, 2L);
2644         r = xcb_get_property_reply(conn, c, NULL);
2645
2646         if (r) {
2647                 if (r->type == a_state && r->format == 32 && r->length == 2)
2648                         result = *((uint32_t *)xcb_get_property_value(r));
2649                 free(r);
2650         }
2651
2652         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
2653             result);
2654         return (result);
2655 }
2656
2657 void
2658 version(struct swm_region *r, union arg *args)
2659 {
2660         /* suppress unused warnings since vars are needed */
2661         (void)r;
2662         (void)args;
2663
2664         bar_version = !bar_version;
2665         if (bar_version)
2666                 snprintf(bar_vertext, sizeof bar_vertext,
2667                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2668         else
2669                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2670
2671         bar_draw();
2672         xcb_flush(conn);
2673 }
2674
2675 void
2676 client_msg(struct ws_win *win, xcb_atom_t a, xcb_timestamp_t t)
2677 {
2678         xcb_client_message_event_t      ev;
2679 #ifdef SWM_DEBUG
2680         char                            *name;
2681 #endif
2682
2683         if (win == NULL)
2684                 return;
2685 #ifdef SWM_DEBUG
2686         name = get_atom_name(a);
2687         DNPRINTF(SWM_D_EVENT, "client_msg: window: 0x%x, atom: %s(%u), "
2688             "time: %#x\n",
2689             win->id, name, a, t);
2690         free(name);
2691 #endif
2692
2693         bzero(&ev, sizeof ev);
2694         ev.response_type = XCB_CLIENT_MESSAGE;
2695         ev.window = win->id;
2696         ev.type = a_prot;
2697         ev.format = 32;
2698         ev.data.data32[0] = a;
2699         ev.data.data32[1] = t;
2700
2701         xcb_send_event(conn, 0, win->id,
2702             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2703 }
2704
2705 /* synthetic response to a ConfigureRequest when not making a change */
2706 void
2707 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2708 {
2709         xcb_configure_notify_event_t ce;
2710
2711         if (win == NULL)
2712                 return;
2713
2714         /* send notification of unchanged state. */
2715         bzero(&ce, sizeof(ce));
2716         ce.response_type = XCB_CONFIGURE_NOTIFY;
2717         ce.x = X(win);
2718         ce.y = Y(win);
2719         ce.width = WIDTH(win);
2720         ce.height = HEIGHT(win);
2721         ce.override_redirect = 0;
2722
2723         if (ev == NULL) {
2724                 /* EWMH */
2725                 ce.event = win->id;
2726                 ce.window = win->id;
2727                 ce.border_width = BORDER(win);
2728                 ce.above_sibling = XCB_WINDOW_NONE;
2729         } else {
2730                 /* normal */
2731                 ce.event = ev->window;
2732                 ce.window = ev->window;
2733
2734                 /* make response appear more WM_SIZE_HINTS-compliant */
2735                 if (win->sh.flags) {
2736                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2737                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2738                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2739                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2740                             SH_INC_W(win), SH_INC_H(win));
2741                 }
2742
2743                 /* min size */
2744                 if (SH_MIN(win)) {
2745                         /* the hint may be set... to 0! */
2746                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2747                                 ce.width = SH_MIN_W(win);
2748                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2749                                 ce.height = SH_MIN_H(win);
2750                 }
2751
2752                 /* max size */
2753                 if (SH_MAX(win)) {
2754                         /* may also be advertized as 0 */
2755                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2756                                 ce.width = SH_MAX_W(win);
2757                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2758                                 ce.height = SH_MAX_H(win);
2759                 }
2760
2761                 /* resize increment. */
2762                 if (SH_INC(win)) {
2763                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2764                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2765                                     SH_INC_W(win);
2766                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2767                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2768                                     SH_INC_H(win);
2769                 }
2770
2771                 /* adjust x and y for requested border_width. */
2772                 ce.x += BORDER(win) - ev->border_width;
2773                 ce.y += BORDER(win) - ev->border_width;
2774                 ce.border_width = ev->border_width;
2775                 ce.above_sibling = ev->sibling;
2776         }
2777
2778         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2779             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2780             ce.y, ce.width, ce.height, ce.border_width);
2781
2782         xcb_send_event(conn, 0, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2783             (char *)&ce);
2784 }
2785
2786 int
2787 count_win(struct workspace *ws, int count_transient)
2788 {
2789         struct ws_win           *win;
2790         int                     count = 0;
2791
2792         TAILQ_FOREACH(win, &ws->winlist, entry) {
2793                 if (!count_transient && win->floating)
2794                         continue;
2795                 if (!count_transient && win->transient)
2796                         continue;
2797                 if (win->iconic)
2798                         continue;
2799                 count++;
2800         }
2801         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2802
2803         return (count);
2804 }
2805
2806 void
2807 quit(struct swm_region *r, union arg *args)
2808 {
2809         /* suppress unused warnings since vars are needed */
2810         (void)r;
2811         (void)args;
2812
2813         DNPRINTF(SWM_D_MISC, "quit\n");
2814         running = 0;
2815 }
2816
2817 void
2818 map_window(struct ws_win *win, xcb_window_t sibling)
2819 {
2820         uint16_t                mode = XCB_CONFIG_WINDOW_STACK_MODE;
2821         uint32_t                val[2];
2822         int                     i = 0;
2823
2824         /* If sibling is specified, stack right above it. */
2825         if (sibling != XCB_WINDOW_NONE) {
2826                 mode |= XCB_CONFIG_WINDOW_SIBLING;
2827                 val[i++] = sibling;
2828         }
2829
2830         val[i] = XCB_STACK_MODE_ABOVE;
2831
2832         if (win == NULL)
2833                 return;
2834
2835         DNPRINTF(SWM_D_EVENT, "map_window: win 0x%x, mapped: %s, "
2836             "sibling: 0x%x\n", win->id, YESNO(win->mapped), sibling);
2837
2838         xcb_configure_window(conn, win->id, mode, val);
2839
2840         if (win->mapped)
2841                 return;
2842
2843         xcb_map_window(conn, win->id);
2844         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
2845         win->mapped = 1;
2846 }
2847
2848 void
2849 unmap_window(struct ws_win *win)
2850 {
2851         if (win == NULL)
2852                 return;
2853
2854         DNPRINTF(SWM_D_EVENT, "unmap_window: win 0x%x, mapped: %s\n", win->id,
2855             YESNO(win->mapped));
2856
2857         if (!win->mapped)
2858                 return;
2859
2860         xcb_unmap_window(conn, win->id);
2861         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2862         win->mapped = 0;
2863 }
2864
2865 void
2866 unmap_all(void)
2867 {
2868         struct ws_win           *win;
2869         int                     i, j, num_screens;
2870
2871         num_screens = get_screen_count();
2872         for (i = 0; i < num_screens; i++)
2873                 for (j = 0; j < workspace_limit; j++)
2874                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2875                                 unmap_window(win);
2876 }
2877
2878 void
2879 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2880 {
2881         xcb_key_press_event_t   event;
2882         xcb_keycode_t           *keycode;
2883
2884         if (win == NULL)
2885                 return;
2886
2887         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2888
2889         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2890             win->id, *keycode);
2891
2892         bzero(&event, sizeof(event));
2893         event.event = win->id;
2894         event.root = win->s->root;
2895         event.child = XCB_WINDOW_NONE;
2896         event.time = XCB_CURRENT_TIME;
2897         event.event_x = X(win);
2898         event.event_y = Y(win);
2899         event.root_x = 1;
2900         event.root_y = 1;
2901         event.same_screen = 1;
2902         event.detail = *keycode;
2903         event.state = modifiers;
2904
2905         event.response_type = XCB_KEY_PRESS;
2906         xcb_send_event(conn, 1, win->id,
2907             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2908
2909         event.response_type = XCB_KEY_RELEASE;
2910         xcb_send_event(conn, 1, win->id,
2911             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2912
2913         free(keycode);
2914 }
2915
2916 void
2917 restart(struct swm_region *r, union arg *args)
2918 {
2919         /* suppress unused warning since var is needed */
2920         (void)r;
2921         (void)args;
2922
2923         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2924
2925         shutdown_cleanup();
2926
2927         execvp(start_argv[0], start_argv);
2928         warn("execvp failed");
2929         quit(NULL, NULL);
2930 }
2931
2932 struct ws_win *
2933 get_pointer_win(xcb_window_t root)
2934 {
2935         struct ws_win                   *win = NULL;
2936         xcb_query_pointer_reply_t       *r;
2937
2938         DNPRINTF(SWM_D_EVENT, "get_pointer_win: root: 0x%x.\n", root);
2939
2940         r = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, root), NULL);
2941         if (r) {
2942                 win = find_window(r->child);
2943                 if (win) {
2944                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: 0x%x.\n",
2945                             win->id);
2946                 } else {
2947                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: none.\n");
2948                 }
2949                 free(r);
2950         }
2951
2952         return win;
2953 }
2954
2955 struct swm_region *
2956 root_to_region(xcb_window_t root, int check)
2957 {
2958         struct ws_win                   *cfw;
2959         struct swm_region               *r = NULL;
2960         int                             i, num_screens;
2961         xcb_query_pointer_reply_t       *qpr;
2962         xcb_get_input_focus_reply_t     *gifr;
2963
2964         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2965
2966         num_screens = get_screen_count();
2967         for (i = 0; i < num_screens; i++)
2968                 if (screens[i].root == root)
2969                         break;
2970
2971         if (check & SWM_CK_REGION)
2972                 r = screens[i].r_focus;
2973
2974         if (r == NULL && check & SWM_CK_FOCUS) {
2975                 /* Try to find an actively focused window */
2976                 gifr = xcb_get_input_focus_reply(conn,
2977                     xcb_get_input_focus(conn), NULL);
2978                 if (gifr) {
2979                         cfw = find_window(gifr->focus);
2980                         if (cfw && cfw->ws->r)
2981                                 r = cfw->ws->r;
2982
2983                         free(gifr);
2984                 }
2985         }
2986
2987         if (r == NULL && check & SWM_CK_POINTER) {
2988                 /* No region with an active focus; try to use pointer. */
2989                 qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2990                     screens[i].root), NULL);
2991
2992                 if (qpr) {
2993                         DNPRINTF(SWM_D_MISC, "root_to_region: pointer: "
2994                             "(%d,%d)\n", qpr->root_x, qpr->root_y);
2995                         TAILQ_FOREACH(r, &screens[i].rl, entry)
2996                                 if (X(r) <= qpr->root_x &&
2997                                     qpr->root_x < MAX_X(r) &&
2998                                     Y(r) <= qpr->root_y &&
2999                                     qpr->root_y < MAX_Y(r))
3000                                         break;
3001                         free(qpr);
3002                 }
3003         }
3004
3005         /* Last resort. */
3006         if (r == NULL && check & SWM_CK_FALLBACK)
3007                 r = TAILQ_FIRST(&screens[i].rl);
3008
3009         DNPRINTF(SWM_D_MISC, "root_to_region: idx: %d\n", get_region_index(r));
3010
3011         return (r);
3012 }
3013
3014 struct ws_win *
3015 find_unmanaged_window(xcb_window_t id)
3016 {
3017         struct ws_win           *win;
3018         int                     i, j, num_screens;
3019
3020         num_screens = get_screen_count();
3021         for (i = 0; i < num_screens; i++)
3022                 for (j = 0; j < workspace_limit; j++)
3023                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
3024                             entry)
3025                                 if (id == win->id)
3026                                         return (win);
3027         return (NULL);
3028 }
3029
3030 struct ws_win *
3031 find_window(xcb_window_t id)
3032 {
3033         struct ws_win           *win;
3034         int                     i, j, num_screens;
3035         xcb_query_tree_reply_t  *r;
3036
3037         num_screens = get_screen_count();
3038         for (i = 0; i < num_screens; i++)
3039                 for (j = 0; j < workspace_limit; j++)
3040                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
3041                                 if (id == win->id)
3042                                         return (win);
3043
3044         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
3045         if (!r)
3046                 return (NULL);
3047
3048         /* if we were looking for the parent return that window instead */
3049         if (r->parent == 0 || r->root == r->parent) {
3050                 free(r);
3051                 return (NULL);
3052         }
3053
3054         /* look for parent */
3055         for (i = 0; i < num_screens; i++)
3056                 for (j = 0; j < workspace_limit; j++)
3057                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
3058                                 if (r->parent == win->id) {
3059                                         free(r);
3060                                         return (win);
3061                                 }
3062
3063         free(r);
3064         return (NULL);
3065 }
3066
3067 void
3068 spawn(int ws_idx, union arg *args, int close_fd)
3069 {
3070         int                     fd;
3071         char                    *ret = NULL;
3072
3073         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
3074
3075         close(xcb_get_file_descriptor(conn));
3076
3077         setenv("LD_PRELOAD", SWM_LIB, 1);
3078
3079         if (asprintf(&ret, "%d", ws_idx) == -1) {
3080                 warn("spawn: asprintf SWM_WS");
3081                 _exit(1);
3082         }
3083         setenv("_SWM_WS", ret, 1);
3084         free(ret);
3085         ret = NULL;
3086
3087         if (asprintf(&ret, "%d", getpid()) == -1) {
3088                 warn("spawn: asprintf _SWM_PID");
3089                 _exit(1);
3090         }
3091         setenv("_SWM_PID", ret, 1);
3092         free(ret);
3093         ret = NULL;
3094
3095         if (setsid() == -1) {
3096                 warn("spawn: setsid");
3097                 _exit(1);
3098         }
3099
3100         if (close_fd) {
3101                 /*
3102                  * close stdin and stdout to prevent interaction between apps
3103                  * and the baraction script
3104                  * leave stderr open to record errors
3105                 */
3106                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
3107                         warn("spawn: open");
3108                         _exit(1);
3109                 }
3110                 dup2(fd, STDIN_FILENO);
3111                 dup2(fd, STDOUT_FILENO);
3112                 if (fd > 2)
3113                         close(fd);
3114         }
3115
3116         execvp(args->argv[0], args->argv);
3117
3118         warn("spawn: execvp");
3119         _exit(1);
3120 }
3121
3122 void
3123 kill_refs(struct ws_win *win)
3124 {
3125         int                     i, x, num_screens;
3126         struct swm_region       *r;
3127         struct workspace        *ws;
3128
3129         if (win == NULL)
3130                 return;
3131
3132         num_screens = get_screen_count();
3133         for (i = 0; i < num_screens; i++)
3134                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3135                         for (x = 0; x < workspace_limit; x++) {
3136                                 ws = &r->s->ws[x];
3137                                 if (win == ws->focus)
3138                                         ws->focus = NULL;
3139                                 if (win == ws->focus_prev)
3140                                         ws->focus_prev = NULL;
3141                         }
3142 }
3143
3144 int
3145 validate_win(struct ws_win *testwin)
3146 {
3147         struct ws_win           *win;
3148         struct workspace        *ws;
3149         struct swm_region       *r;
3150         int                     i, x, num_screens;
3151
3152         if (testwin == NULL)
3153                 return (0);
3154
3155         num_screens = get_screen_count();
3156         for (i = 0; i < num_screens; i++)
3157                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3158                         for (x = 0; x < workspace_limit; x++) {
3159                                 ws = &r->s->ws[x];
3160                                 TAILQ_FOREACH(win, &ws->winlist, entry)
3161                                         if (win == testwin)
3162                                                 return (0);
3163                         }
3164         return (1);
3165 }
3166
3167 int
3168 validate_ws(struct workspace *testws)
3169 {
3170         struct swm_region       *r;
3171         struct workspace        *ws;
3172         int                     i, x, num_screens;
3173
3174         /* validate all ws */
3175         num_screens = get_screen_count();
3176         for (i = 0; i < num_screens; i++)
3177                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3178                         for (x = 0; x < workspace_limit; x++) {
3179                                 ws = &r->s->ws[x];
3180                                 if (ws == testws)
3181                                         return (0);
3182                         }
3183         return (1);
3184 }
3185
3186 xcb_window_t
3187 get_sibling(struct ws_win *win, int mode)
3188 {
3189         struct ws_win           *w = win;
3190
3191         switch (mode) {
3192         case SWM_STACK_TOP:
3193                 TAILQ_FOREACH_REVERSE(w, &w->ws->winlist, ws_win_list, entry)
3194                         if (w != win && !w->floating && !w->iconic)
3195                                 break;
3196                 break;
3197         case SWM_STACK_ABOVE:
3198                 do {
3199                         w = TAILQ_NEXT(w, entry);
3200                 } while (w != NULL && (w == win || w->floating || w->iconic));
3201                 break;
3202         case SWM_STACK_BELOW:
3203                 do {
3204                         w = TAILQ_PREV(w, ws_win_list, entry);
3205                 } while (w != NULL && (w == win || w->floating || w->iconic));
3206                 break;
3207         case SWM_STACK_BOTTOM:
3208                 TAILQ_FOREACH(w, &w->ws->winlist, entry)
3209                         if (w != win && !w->floating && !w->iconic)
3210                                 break;
3211                 break;
3212         default:
3213                 w = NULL;
3214         }
3215
3216         if (w == NULL)
3217                 return (win->ws->r->id);
3218         else
3219                 return (w->id);
3220 }
3221
3222 void
3223 unfocus_win(struct ws_win *win)
3224 {
3225         xcb_window_t            none = XCB_WINDOW_NONE;
3226
3227         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
3228
3229         if (win == NULL)
3230                 return;
3231         if (win->ws == NULL) {
3232                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL ws.\n");
3233                 return;
3234         }
3235
3236         if (validate_ws(win->ws)) {
3237                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid ws.\n");
3238                 return;
3239         }
3240
3241         if (win->ws->r == NULL) {
3242                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL region.\n");
3243                 return;
3244         }
3245
3246         if (validate_win(win)) {
3247                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid win.\n");
3248                 kill_refs(win);
3249                 return;
3250         }
3251
3252         if (win->ws->focus == win) {
3253                 if (tile_gap < 0 && !win->floating)
3254                         map_window(win, get_sibling(win, SWM_STACK_BELOW));
3255                 win->ws->focus = NULL;
3256                 win->ws->focus_prev = win;
3257         }
3258
3259         if (validate_win(win->ws->focus)) {
3260                 kill_refs(win->ws->focus);
3261                 win->ws->focus = NULL;
3262         }
3263
3264         if (validate_win(win->ws->focus_prev)) {
3265                 kill_refs(win->ws->focus_prev);
3266                 win->ws->focus_prev = NULL;
3267         }
3268
3269         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3270             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
3271
3272         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3273             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
3274
3275         DNPRINTF(SWM_D_FOCUS, "unfocus_win: done.\n");
3276 }
3277
3278 void
3279 focus_win(struct ws_win *win)
3280 {
3281         struct ws_win                   *cfw = NULL, *parent = NULL, *w;
3282         struct workspace                *ws;
3283         xcb_get_input_focus_reply_t     *r;
3284
3285         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
3286
3287         if (win == NULL)
3288                 goto out;
3289
3290         if (win->ws == NULL)
3291                 goto out;
3292
3293         if (!win->mapped)
3294                 goto out;
3295
3296         ws = win->ws;
3297
3298         if (validate_ws(ws))
3299                 goto out;
3300
3301         if (validate_win(win)) {
3302                 kill_refs(win);
3303                 goto out;
3304         }
3305
3306         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
3307         if (r) {
3308                 cfw = find_window(r->focus);
3309                 if (cfw != win)
3310                         unfocus_win(cfw);
3311                 free(r);
3312         }
3313
3314         if (ws->focus != win) {
3315                 if (ws->focus && ws->focus != cfw)
3316                         unfocus_win(ws->focus);
3317                 ws->focus = win;
3318         }
3319
3320         /* If this window directs focus to a child window, then clear. */
3321         if (win->focus_child)
3322                 win->focus_child = NULL;
3323
3324         /* If transient, adjust parent's focus child for focus_magic. */
3325         if (win->transient) {
3326                 parent = find_window(win->transient);
3327                 if (parent && parent->focus_child != win)
3328                         parent->focus_child = win;
3329         }
3330
3331         if (cfw != win && ws->r != NULL) {
3332                 /* Set input focus if no input hint, or indicated by hint. */
3333                 if (!(win->hints.flags & XCB_ICCCM_WM_HINT_INPUT) ||
3334                     (win->hints.flags & XCB_ICCCM_WM_HINT_INPUT &&
3335                      win->hints.input))
3336                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3337                                         win->id, last_event_time);
3338
3339                 /* Tell app it can adjust focus to a specific window. */
3340                 if (win->take_focus) {
3341                         /* java is special; always tell parent */
3342                         if (win->transient && win->java)
3343                                 client_msg(parent, a_takefocus,
3344                                     last_event_time);
3345                         else
3346                                 client_msg(win, a_takefocus, last_event_time);
3347                 }
3348
3349                 xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3350                     &ws->r->s->c[SWM_S_COLOR_FOCUS].pixel);
3351
3352                 if (ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
3353                     ws->always_raise) {
3354                         /* If a parent exists, map it first. */
3355                         if (parent) {
3356                                 map_window(parent, XCB_WINDOW_NONE);
3357
3358                                 /* Map siblings next. */
3359                                 TAILQ_FOREACH(w, &ws->winlist, entry)
3360                                         if (w != win && !w->iconic &&
3361                                             w->transient == parent->id)
3362                                                 map_window(w, XCB_WINDOW_NONE);
3363                         }
3364
3365                         /* Map focused window. */
3366                         map_window(win, XCB_WINDOW_NONE);
3367
3368                         /* Finally, map children of focus window. */
3369                         TAILQ_FOREACH(w, &ws->winlist, entry)
3370                                 if (w->transient == win->id && !w->iconic)
3371                                         map_window(w, XCB_WINDOW_NONE);
3372                 } else if (tile_gap < 0 && !win->floating) {
3373                         /*
3374                          * Windows overlap in the layout.
3375                          * Raise focused win above all tiled wins.
3376                          */
3377                         if (tile_gap < 0 && !win->floating)
3378                                 map_window(win,
3379                                     get_sibling(win, SWM_STACK_TOP));
3380                 }
3381
3382                 set_region(ws->r);
3383
3384                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3385                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
3386                     &win->id);
3387         }
3388
3389 out:
3390         bar_draw();
3391
3392         DNPRINTF(SWM_D_FOCUS, "focus_win: done.\n");
3393 }
3394
3395 /* If a child window should have focus instead, return it. */
3396 struct ws_win *
3397 get_focus_magic(struct ws_win *win)
3398 {
3399         struct ws_win   *parent = NULL;
3400         struct ws_win   *child = NULL;
3401
3402         DNPRINTF(SWM_D_FOCUS, "get_focus_magic: window: 0x%x\n", WINID(win));
3403         if (win == NULL)
3404                 return win;
3405
3406         if (win->transient) {
3407                 parent = find_window(win->transient);
3408
3409                 /* If parent prefers focus elsewhere, then try to do so. */
3410                 if (parent && (child = parent->focus_child)) {
3411                         if (validate_win(child) == 0 && child->mapped)
3412                                 win = child;
3413                         else
3414                                 parent->focus_child = NULL;
3415                 }
3416         }
3417
3418         /* If this window prefers focus elsewhere, then try to do so. */
3419         if ((child = win->focus_child)) {
3420                 if (validate_win(child) == 0 && child->mapped)
3421                         win = child;
3422                 else
3423                         win->focus_child = NULL;
3424         }
3425
3426         return win;
3427 }
3428
3429 void
3430 event_drain(uint8_t rt)
3431 {
3432         xcb_generic_event_t     *evt;
3433
3434         /* ensure all pending requests have been processed before filtering. */
3435         xcb_aux_sync(conn);
3436         while ((evt = xcb_poll_for_event(conn))) {
3437                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
3438                         event_handle(evt);
3439
3440                 free(evt);
3441         }
3442 }
3443
3444 void
3445 set_region(struct swm_region *r)
3446 {
3447         struct swm_region       *rf;
3448
3449         if (r == NULL)
3450                 return;
3451
3452         rf = r->s->r_focus;
3453         /* Unfocus old region bar. */
3454         if (rf) {
3455                 if (rf == r)
3456                         return;
3457
3458                 xcb_change_window_attributes(conn, rf->bar->id,
3459                     XCB_CW_BORDER_PIXEL,
3460                     &r->s->c[SWM_S_COLOR_BAR_BORDER_UNFOCUS].pixel);
3461         }
3462
3463         /* Set region bar border to focus_color. */
3464         xcb_change_window_attributes(conn, r->bar->id,
3465             XCB_CW_BORDER_PIXEL, &r->s->c[SWM_S_COLOR_BAR_BORDER].pixel);
3466
3467         r->s->r_focus = r;
3468 }
3469
3470 void
3471 focus_region(struct swm_region *r)
3472 {
3473         struct ws_win           *nfw;
3474         struct swm_region       *old_r;
3475
3476         if (r == NULL)
3477                 return;
3478
3479         old_r = r->s->r_focus;
3480         set_region(r);
3481
3482         nfw = get_region_focus(r);
3483         if (nfw) {
3484                 focus_win(nfw);
3485         } else {
3486                 /* New region is empty; need to manually unfocus win. */
3487                 if (old_r)
3488                         unfocus_win(old_r->ws->focus);
3489
3490                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT, r->id,
3491                     XCB_CURRENT_TIME);
3492
3493                 /* Clear bar since empty. */
3494                 bar_draw();
3495         }
3496 }
3497
3498 void
3499 switchws(struct swm_region *r, union arg *args)
3500 {
3501         struct swm_region       *this_r, *other_r;
3502         struct ws_win           *win;
3503         struct workspace        *new_ws, *old_ws;
3504         xcb_window_t            none = XCB_WINDOW_NONE;
3505         int                     wsid = args->id, unmap_old = 0;
3506
3507         if (!(r && r->s))
3508                 return;
3509
3510         if (wsid >= workspace_limit)
3511                 return;
3512
3513         this_r = r;
3514         old_ws = this_r->ws;
3515         new_ws = &this_r->s->ws[wsid];
3516
3517         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
3518             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
3519
3520         if (new_ws == NULL || old_ws == NULL)
3521                 return;
3522         if (new_ws == old_ws)
3523                 return;
3524
3525         if ((win = old_ws->focus) != NULL) {
3526                 xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3527                     &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
3528
3529                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3530                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
3531                     &none);
3532         }
3533
3534         other_r = new_ws->r;
3535         if (other_r == NULL) {
3536                 /* the other workspace is hidden, hide this one */
3537                 old_ws->r = NULL;
3538                 unmap_old = 1;
3539         } else {
3540                 /* the other ws is visible in another region, exchange them */
3541                 other_r->ws_prior = new_ws;
3542                 other_r->ws = old_ws;
3543                 old_ws->r = other_r;
3544         }
3545         this_r->ws_prior = old_ws;
3546         this_r->ws = new_ws;
3547         new_ws->r = this_r;
3548
3549         /* Set focus_pending before stacking, if needed. */
3550         if (focus_mode != SWM_FOCUS_FOLLOW && (!new_ws->focus_pending ||
3551             validate_win(new_ws->focus_pending))) {
3552                 new_ws->focus_pending = get_region_focus(new_ws->r);
3553                 new_ws->focus = new_ws->focus_prev;
3554                 new_ws->focus_prev = NULL;
3555         }
3556
3557         stack();
3558
3559         /* unmap old windows */
3560         if (unmap_old)
3561                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
3562                         unmap_window(win);
3563
3564         /* if workspaces were swapped, then don't wait to set focus */
3565         if (old_ws->r && focus_mode != SWM_FOCUS_FOLLOW) {
3566                 if (new_ws->focus_pending) {
3567                         focus_win(new_ws->focus_pending);
3568                         new_ws->focus_pending = NULL;
3569                 }
3570         }
3571
3572         /* Clear bar and set focus on region input win if new ws is empty. */
3573         if (new_ws->focus_pending == NULL && new_ws->focus == NULL) {
3574                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT, r->id,
3575                     XCB_CURRENT_TIME);
3576                 bar_draw();
3577         }
3578
3579         focus_flush();
3580
3581         DNPRINTF(SWM_D_WS, "switchws: done.\n");
3582 }
3583
3584 void
3585 cyclews(struct swm_region *r, union arg *args)
3586 {
3587         union                   arg a;
3588         struct swm_screen       *s = r->s;
3589         int                     cycle_all = 0;
3590         int                     move = 0;
3591
3592         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3593             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3594
3595         a.id = r->ws->idx;
3596
3597         do {
3598                 switch (args->id) {
3599                 case SWM_ARG_ID_CYCLEWS_MOVE_UP:
3600                         move = 1;
3601                         /* FALLTHROUGH */
3602                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
3603                         cycle_all = 1;
3604                         /* FALLTHROUGH */
3605                 case SWM_ARG_ID_CYCLEWS_UP:
3606                         a.id = (a.id < workspace_limit - 1) ? a.id + 1 : 0;
3607                         break;
3608                 case SWM_ARG_ID_CYCLEWS_MOVE_DOWN:
3609                         move = 1;
3610                         /* FALLTHROUGH */
3611                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
3612                         cycle_all = 1;
3613                         /* FALLTHROUGH */
3614                 case SWM_ARG_ID_CYCLEWS_DOWN:
3615                         a.id = (a.id > 0) ? a.id - 1 : workspace_limit - 1;
3616                         break;
3617                 default:
3618                         return;
3619                 };
3620
3621                 if (!cycle_all &&
3622                     (!cycle_empty && TAILQ_EMPTY(&s->ws[a.id].winlist)))
3623                         continue;
3624                 if (!cycle_visible && s->ws[a.id].r != NULL)
3625                         continue;
3626
3627                 if (move)
3628                         send_to_ws(r, &a);
3629
3630                 switchws(r, &a);
3631         } while (a.id != r->ws->idx);
3632 }
3633
3634 void
3635 priorws(struct swm_region *r, union arg *args)
3636 {
3637         union arg               a;
3638
3639         (void)args;
3640
3641         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3642             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3643
3644         if (r->ws_prior == NULL)
3645                 return;
3646
3647         a.id = r->ws_prior->idx;
3648         switchws(r, &a);
3649 }
3650
3651 void
3652 focusrg(struct swm_region *r, union arg *args)
3653 {
3654         int                     ridx = args->id, i, num_screens;
3655         struct swm_region       *rr = NULL;
3656
3657         num_screens = get_screen_count();
3658         /* do nothing if we don't have more than one screen */
3659         if (!(num_screens > 1 || outputs > 1))
3660                 return;
3661
3662         DNPRINTF(SWM_D_FOCUS, "focusrg: id: %d\n", ridx);
3663
3664         rr = TAILQ_FIRST(&r->s->rl);
3665         for (i = 0; i < ridx && rr != NULL; ++i)
3666                 rr = TAILQ_NEXT(rr, entry);
3667
3668         if (rr == NULL)
3669                 return;
3670
3671         focus_region(rr);
3672         focus_flush();
3673 }
3674
3675 void
3676 cyclerg(struct swm_region *r, union arg *args)
3677 {
3678         struct swm_region       *rr = NULL;
3679         int                     i, num_screens;
3680
3681         num_screens = get_screen_count();
3682         /* do nothing if we don't have more than one screen */
3683         if (!(num_screens > 1 || outputs > 1))
3684                 return;
3685
3686         i = r->s->idx;
3687         switch (args->id) {
3688         case SWM_ARG_ID_CYCLERG_UP:
3689                 rr = TAILQ_NEXT(r, entry);
3690                 if (rr == NULL)
3691                         rr = TAILQ_FIRST(&screens[i].rl);
3692                 break;
3693         case SWM_ARG_ID_CYCLERG_DOWN:
3694                 rr = TAILQ_PREV(r, swm_region_list, entry);
3695                 if (rr == NULL)
3696                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
3697                 break;
3698         default:
3699                 return;
3700         };
3701         if (rr == NULL)
3702                 return;
3703
3704         focus_region(rr);
3705         focus_flush();
3706 }
3707
3708 void
3709 sort_windows(struct ws_win_list *wl)
3710 {
3711         struct ws_win           *win, *parent, *nxt;
3712
3713         if (wl == NULL)
3714                 return;
3715
3716         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
3717                 nxt = TAILQ_NEXT(win, entry);
3718                 if (win->transient) {
3719                         parent = find_window(win->transient);
3720                         if (parent == NULL) {
3721                                 warnx("not possible bug");
3722                                 continue;
3723                         }
3724                         TAILQ_REMOVE(wl, win, entry);
3725                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
3726                 }
3727         }
3728
3729 }
3730
3731 void
3732 swapwin(struct swm_region *r, union arg *args)
3733 {
3734         struct ws_win           *target, *source;
3735         struct ws_win           *cur_focus;
3736         struct ws_win_list      *wl;
3737
3738         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3739             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3740
3741         cur_focus = r->ws->focus;
3742         if (cur_focus == NULL)
3743                 return;
3744
3745         source = cur_focus;
3746         wl = &source->ws->winlist;
3747
3748         switch (args->id) {
3749         case SWM_ARG_ID_SWAPPREV:
3750                 if (source->transient)
3751                         source = find_window(source->transient);
3752                 target = TAILQ_PREV(source, ws_win_list, entry);
3753                 if (target && target->transient)
3754                         target = find_window(target->transient);
3755                 TAILQ_REMOVE(wl, source, entry);
3756                 if (target == NULL)
3757                         TAILQ_INSERT_TAIL(wl, source, entry);
3758                 else
3759                         TAILQ_INSERT_BEFORE(target, source, entry);
3760                 break;
3761         case SWM_ARG_ID_SWAPNEXT:
3762                 target = TAILQ_NEXT(source, entry);
3763                 /* move the parent and let the sort handle the move */
3764                 if (source->transient)
3765                         source = find_window(source->transient);
3766                 TAILQ_REMOVE(wl, source, entry);
3767                 if (target == NULL)
3768                         TAILQ_INSERT_HEAD(wl, source, entry);
3769                 else
3770                         TAILQ_INSERT_AFTER(wl, target, source, entry);
3771                 break;
3772         case SWM_ARG_ID_SWAPMAIN:
3773                 target = TAILQ_FIRST(wl);
3774                 if (target == source) {
3775                         if (source->ws->focus_prev != NULL &&
3776                             source->ws->focus_prev != target)
3777                                 source = source->ws->focus_prev;
3778                         else
3779                                 return;
3780                 }
3781                 if (target == NULL || source == NULL)
3782                         return;
3783                 source->ws->focus_prev = target;
3784                 TAILQ_REMOVE(wl, target, entry);
3785                 TAILQ_INSERT_BEFORE(source, target, entry);
3786                 TAILQ_REMOVE(wl, source, entry);
3787                 TAILQ_INSERT_HEAD(wl, source, entry);
3788                 break;
3789         case SWM_ARG_ID_MOVELAST:
3790                 TAILQ_REMOVE(wl, source, entry);
3791                 TAILQ_INSERT_TAIL(wl, source, entry);
3792                 break;
3793         default:
3794                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
3795                 return;
3796         }
3797
3798         sort_windows(wl);
3799
3800         stack();
3801
3802         focus_flush();
3803 }
3804
3805 struct ws_win *
3806 get_focus_prev(struct ws_win *win)
3807 {
3808         struct ws_win           *winfocus = NULL;
3809         struct ws_win           *cur_focus = NULL;
3810         struct ws_win_list      *wl = NULL;
3811         struct workspace        *ws = NULL;
3812
3813         if (!(win && win->ws))
3814                 return NULL;
3815
3816         ws = win->ws;
3817         wl = &ws->winlist;
3818         cur_focus = ws->focus;
3819
3820         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: window: 0x%x, cur_focus: 0x%x\n",
3821             WINID(win), WINID(cur_focus));
3822
3823         /* pickle, just focus on whatever */
3824         if (cur_focus == NULL) {
3825                 /* use prev_focus if valid */
3826                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
3827                     find_window(WINID(ws->focus_prev)))
3828                         winfocus = ws->focus_prev;
3829                 goto done;
3830         }
3831
3832         /* if transient focus on parent */
3833         if (cur_focus->transient) {
3834                 winfocus = find_window(cur_focus->transient);
3835                 goto done;
3836         }
3837
3838         /* if in max_stack try harder */
3839         if ((win->quirks & SWM_Q_FOCUSPREV) ||
3840             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
3841                 if (cur_focus != ws->focus_prev)
3842                         winfocus = ws->focus_prev;
3843                 else
3844                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3845                 if (winfocus)
3846                         goto done;
3847         }
3848
3849         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: focus_close: %d\n", focus_close);
3850
3851         if (winfocus == NULL || winfocus == win) {
3852                 switch (focus_close) {
3853                 case SWM_STACK_BOTTOM:
3854                         TAILQ_FOREACH(winfocus, wl, entry)
3855                                 if (!winfocus->iconic && winfocus != cur_focus)
3856                                         break;
3857                         break;
3858                 case SWM_STACK_TOP:
3859                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
3860                                 if (!winfocus->iconic && winfocus != cur_focus)
3861                                         break;
3862                         break;
3863                 case SWM_STACK_ABOVE:
3864                         winfocus = TAILQ_NEXT(cur_focus, entry);
3865                         while (winfocus && winfocus->iconic)
3866                                 winfocus = TAILQ_NEXT(winfocus, entry);
3867
3868                         if (winfocus == NULL) {
3869                                 if (focus_close_wrap) {
3870                                         TAILQ_FOREACH(winfocus, wl, entry)
3871                                                 if (!winfocus->iconic &&
3872                                                     winfocus != cur_focus)
3873                                                         break;
3874                                 } else {
3875                                         TAILQ_FOREACH_REVERSE(winfocus, wl,
3876                                             ws_win_list, entry)
3877                                                 if (!winfocus->iconic &&
3878                                                     winfocus != cur_focus)
3879                                                         break;
3880                                 }
3881                         }
3882                         break;
3883                 case SWM_STACK_BELOW:
3884                         winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
3885                         while (winfocus && winfocus->iconic)
3886                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3887                                     entry);
3888
3889                         if (winfocus == NULL) {
3890                                 if (focus_close_wrap) {
3891                                         TAILQ_FOREACH_REVERSE(winfocus, wl,
3892                                             ws_win_list, entry)
3893                                                 if (!winfocus->iconic &&
3894                                                     winfocus != cur_focus)
3895                                                         break;
3896                                 } else {
3897                                         TAILQ_FOREACH(winfocus, wl, entry)
3898                                                 if (!winfocus->iconic &&
3899                                                     winfocus != cur_focus)
3900                                                         break;
3901                                 }
3902                         }
3903                         break;
3904                 }
3905         }
3906 done:
3907         if (winfocus == NULL ||
3908             (winfocus && (winfocus->iconic || winfocus == cur_focus))) {
3909                 if (focus_default == SWM_STACK_TOP) {
3910                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
3911                                 if (!winfocus->iconic && winfocus != cur_focus)
3912                                         break;
3913                 } else {
3914                         TAILQ_FOREACH(winfocus, wl, entry)
3915                                 if (!winfocus->iconic && winfocus != cur_focus)
3916                                         break;
3917                 }
3918         }
3919
3920         kill_refs(win);
3921
3922         return get_focus_magic(winfocus);
3923 }
3924
3925 struct ws_win *
3926 get_region_focus(struct swm_region *r)
3927 {
3928         struct ws_win           *winfocus = NULL;
3929
3930         if (!(r && r->ws))
3931                 return NULL;
3932
3933         if (r->ws->focus && !r->ws->focus->iconic)
3934                 winfocus = r->ws->focus;
3935         else if (r->ws->focus_prev && !r->ws->focus_prev->iconic)
3936                 winfocus = r->ws->focus_prev;
3937         else
3938                 TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3939                         if (!winfocus->iconic)
3940                                 break;
3941
3942         return get_focus_magic(winfocus);
3943 }
3944
3945 void
3946 focus(struct swm_region *r, union arg *args)
3947 {
3948         struct ws_win           *head, *cur_focus = NULL, *winfocus = NULL;
3949         struct ws_win_list      *wl = NULL;
3950         struct workspace        *ws = NULL;
3951         union arg               a;
3952         int                     i;
3953         xcb_icccm_wm_hints_t    hints;
3954
3955         if (!(r && r->ws))
3956                 goto out;
3957
3958         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
3959
3960         cur_focus = r->ws->focus;
3961         ws = r->ws;
3962         wl = &ws->winlist;
3963
3964         /* Make sure an uniconified window has focus, if one exists. */
3965         if (cur_focus == NULL) {
3966                 cur_focus = TAILQ_FIRST(wl);
3967                 while (cur_focus != NULL && cur_focus->iconic)
3968                         cur_focus = TAILQ_NEXT(cur_focus, entry);
3969         }
3970
3971         switch (args->id) {
3972         case SWM_ARG_ID_FOCUSPREV:
3973                 if (cur_focus == NULL)
3974                         goto out;
3975
3976                 winfocus = cur_focus;
3977                 do {
3978                         winfocus = TAILQ_PREV(winfocus, ws_win_list, entry);
3979                         if (winfocus == NULL)
3980                                 winfocus = TAILQ_LAST(wl, ws_win_list);
3981                         if (winfocus == cur_focus)
3982                                 break;
3983                 } while (winfocus != NULL &&
3984                     (winfocus->iconic || winfocus->id == cur_focus->transient));
3985                 break;
3986         case SWM_ARG_ID_FOCUSNEXT:
3987                 if (cur_focus == NULL)
3988                         goto out;
3989
3990                 winfocus = cur_focus;
3991                 do {
3992                         winfocus = TAILQ_NEXT(winfocus, entry);
3993                         if (winfocus == NULL)
3994                                 winfocus = TAILQ_FIRST(wl);
3995                         if (winfocus == cur_focus)
3996                                 break;
3997                 } while (winfocus != NULL &&
3998                     (winfocus->iconic || winfocus->id == cur_focus->transient));
3999                 break;
4000         case SWM_ARG_ID_FOCUSMAIN:
4001                 if (cur_focus == NULL)
4002                         goto out;
4003
4004                 winfocus = TAILQ_FIRST(wl);
4005                 if (winfocus == cur_focus)
4006                         winfocus = cur_focus->ws->focus_prev;
4007                 break;
4008         case SWM_ARG_ID_FOCUSURGENT:
4009                 /* Search forward for the next urgent window. */
4010                 winfocus = NULL;
4011                 head = cur_focus;
4012
4013                 for (i = 0; i <= workspace_limit; ++i) {
4014                         if (head == NULL)
4015                                 head = TAILQ_FIRST(&r->s->ws[(ws->idx + i) %
4016                                     workspace_limit].winlist);
4017
4018                         while (head != NULL &&
4019                             (head = TAILQ_NEXT(head, entry)) != NULL) {
4020                                 if (head == cur_focus) {
4021                                         winfocus = cur_focus;
4022                                         break;
4023                                 }
4024                                 if (xcb_icccm_get_wm_hints_reply(conn,
4025                                     xcb_icccm_get_wm_hints(conn, head->id),
4026                                     &hints, NULL) != 0 &&
4027                                     xcb_icccm_wm_hints_get_urgency(&hints)) {
4028                                         winfocus = head;
4029                                         break;
4030                                 }
4031                         }
4032
4033                         if (winfocus != NULL)
4034                                 break;
4035                 }
4036
4037                 /* Switch ws if new focus is on a different ws. */
4038                 if (winfocus != NULL && winfocus->ws != ws) {
4039                         a.id = winfocus->ws->idx;
4040                         switchws(r, &a);
4041                 }
4042                 break;
4043         default:
4044                 goto out;
4045         }
4046
4047         focus_win(get_focus_magic(winfocus));
4048         focus_flush();
4049
4050 out:
4051         DNPRINTF(SWM_D_FOCUS, "focus: done\n");
4052 }
4053
4054 void
4055 cycle_layout(struct swm_region *r, union arg *args)
4056 {
4057         struct workspace        *ws = r->ws;
4058
4059         /* suppress unused warning since var is needed */
4060         (void)args;
4061
4062         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
4063
4064         ws->cur_layout++;
4065         if (ws->cur_layout->l_stack == NULL)
4066                 ws->cur_layout = &layouts[0];
4067
4068         stack();
4069         bar_draw();
4070
4071         focus_win(get_region_focus(r));
4072
4073         focus_flush();
4074 }
4075
4076 void
4077 stack_config(struct swm_region *r, union arg *args)
4078 {
4079         struct workspace        *ws = r->ws;
4080
4081         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
4082             args->id, ws->idx);
4083
4084         if (ws->cur_layout->l_config != NULL)
4085                 ws->cur_layout->l_config(ws, args->id);
4086
4087         if (args->id != SWM_ARG_ID_STACKINIT)
4088                 stack();
4089         bar_draw();
4090
4091         focus_flush();
4092 }
4093
4094 void
4095 stack(void) {
4096         struct swm_geometry     g;
4097         struct swm_region       *r;
4098         int                     i, num_screens;
4099 #ifdef SWM_DEBUG
4100         int j;
4101 #endif
4102
4103         DNPRINTF(SWM_D_STACK, "stack: begin\n");
4104
4105         num_screens = get_screen_count();
4106         for (i = 0; i < num_screens; i++) {
4107 #ifdef SWM_DEBUG
4108                 j = 0;
4109 #endif
4110                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
4111                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
4112                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
4113
4114                         /* Adjust stack area for region bar and padding. */
4115                         g = r->g;
4116                         g.x += region_padding;
4117                         g.y += region_padding;
4118                         g.w -= 2 * border_width + 2 * region_padding;
4119                         g.h -= 2 * border_width + 2 * region_padding;
4120                         if (bar_enabled && r->ws->bar_enabled) {
4121                                 if (!bar_at_bottom)
4122                                         g.y += bar_height;
4123                                 g.h -= bar_height;
4124                         }
4125                         r->ws->cur_layout->l_stack(r->ws, &g);
4126                         r->ws->cur_layout->l_string(r->ws);
4127                         /* save r so we can track region changes */
4128                         r->ws->old_r = r;
4129                 }
4130         }
4131         if (font_adjusted)
4132                 font_adjusted--;
4133
4134         DNPRINTF(SWM_D_STACK, "stack: end\n");
4135 }
4136
4137 void
4138 store_float_geom(struct ws_win *win)
4139 {
4140         if (win == NULL || win->ws->r == NULL)
4141                 return;
4142
4143         /* retain window geom and region geom */
4144         win->g_float = win->g;
4145         win->g_float.x -= X(win->ws->r);
4146         win->g_float.y -= Y(win->ws->r);
4147         win->g_floatvalid = 1;
4148         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
4149             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
4150             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
4151             win->g_float.w, win->g_float.h);
4152 }
4153
4154 void
4155 load_float_geom(struct ws_win *win)
4156 {
4157         if (win == NULL || win->ws->r == NULL)
4158                 return;
4159
4160         if (win->g_floatvalid) {
4161                 win->g = win->g_float;
4162                 X(win) += X(win->ws->r);
4163                 Y(win) += Y(win->ws->r);
4164                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g: (%d,%d)"
4165                     "%d x %d\n", win->id, X(win), Y(win), WIDTH(win),
4166                     HEIGHT(win));
4167         } else {
4168                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g_float "
4169                     "is not set.\n", win->id);
4170         }
4171 }
4172
4173 void
4174 stack_floater(struct ws_win *win, struct swm_region *r)
4175 {
4176         if (win == NULL)
4177                 return;
4178
4179         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
4180
4181         /*
4182          * to allow windows to change their size (e.g. mplayer fs) only retrieve
4183          * geom on ws switches or return from max mode
4184          */
4185         if (win->floatmaxed || (r != r->ws->old_r &&
4186             !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
4187                 /* update geometry for the new region */
4188                 load_float_geom(win);
4189         }
4190
4191         win->floatmaxed = 0;
4192
4193         /*
4194          * if set to fullscreen mode, configure window to maximum size.
4195          */
4196         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4197                 if (!win->g_floatvalid)
4198                         store_float_geom(win);
4199
4200                 win->g = r->g;
4201         }
4202
4203         /*
4204          * remove border on fullscreen floater when in fullscreen mode or when
4205          * the quirk is present.
4206          */
4207         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
4208             ((win->quirks & SWM_Q_FULLSCREEN) &&
4209              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
4210                 if (win->bordered) {
4211                         win->bordered = 0;
4212                         X(win) += border_width;
4213                         Y(win) += border_width;
4214                 }
4215         } else if (!win->bordered) {
4216                 win->bordered = 1;
4217                 X(win) -= border_width;
4218                 Y(win) -= border_width;
4219         }
4220
4221         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
4222                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
4223                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
4224         }
4225
4226         if (!win->manual && !(win->ewmh_flags & EWMH_F_FULLSCREEN) &&
4227             !(win->quirks & SWM_Q_ANYWHERE)) {
4228                 /*
4229                  * floaters and transients are auto-centred unless moved,
4230                  * resized or ANYWHERE quirk is set.
4231                  */
4232                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
4233                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
4234
4235                 store_float_geom(win);
4236         }
4237
4238         /* Ensure at least 1 pixel of the window is in the region. */
4239         region_containment(win, r, SWM_CW_ALLSIDES);
4240
4241         update_window(win);
4242 }
4243
4244 /*
4245  * Send keystrokes to terminal to decrease/increase the font size as the
4246  * window size changes.
4247  */
4248 void
4249 adjust_font(struct ws_win *win)
4250 {
4251         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
4252             win->floating || win->transient)
4253                 return;
4254
4255         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
4256             WIDTH(win) / win->sh.width_inc < term_width &&
4257             win->font_steps < SWM_MAX_FONT_STEPS) {
4258                 win->font_size_boundary[win->font_steps] =
4259                     (win->sh.width_inc * term_width) + win->sh.base_width;
4260                 win->font_steps++;
4261                 font_adjusted++;
4262                 win->last_inc = win->sh.width_inc;
4263                 fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
4264         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
4265             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
4266                 win->font_steps--;
4267                 font_adjusted++;
4268                 win->last_inc = win->sh.width_inc;
4269                 fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
4270         }
4271 }
4272
4273 #define SWAPXY(g)       do {                            \
4274         int tmp;                                        \
4275         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
4276         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
4277 } while (0)
4278 void
4279 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
4280 {
4281         struct swm_geometry     win_g, r_g = *g;
4282         struct ws_win           *win, *fs_win = NULL;
4283         int                     i, j, s, stacks;
4284         int                     w_inc = 1, h_inc, w_base = 1, h_base;
4285         int                     hrh, extra = 0, h_slice, last_h = 0;
4286         int                     split, colno, winno, mwin, msize, mscale;
4287         int                     remain, missing, v_slice, reconfigure = 0;
4288         int                     bordered = 1;
4289
4290         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
4291             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
4292
4293         winno = count_win(ws, 0);
4294         if (winno == 0 && count_win(ws, 1) == 0)
4295                 return;
4296
4297         TAILQ_FOREACH(win, &ws->winlist, entry)
4298                 if (!win->transient && !win->floating && !win->iconic)
4299                         break;
4300
4301         if (win == NULL)
4302                 goto notiles;
4303
4304         if (rot) {
4305                 w_inc = win->sh.width_inc;
4306                 w_base = win->sh.base_width;
4307                 mwin = ws->l_state.horizontal_mwin;
4308                 mscale = ws->l_state.horizontal_msize;
4309                 stacks = ws->l_state.horizontal_stacks;
4310                 SWAPXY(&r_g);
4311         } else {
4312                 w_inc = win->sh.height_inc;
4313                 w_base = win->sh.base_height;
4314                 mwin = ws->l_state.vertical_mwin;
4315                 mscale = ws->l_state.vertical_msize;
4316                 stacks = ws->l_state.vertical_stacks;
4317         }
4318         win_g = r_g;
4319
4320         if (stacks > winno - mwin)
4321                 stacks = winno - mwin;
4322         if (stacks < 1)
4323                 stacks = 1;
4324
4325         h_slice = r_g.h / SWM_H_SLICE;
4326         if (mwin && winno > mwin) {
4327                 v_slice = r_g.w / SWM_V_SLICE;
4328
4329                 split = mwin;
4330                 colno = split;
4331                 win_g.w = v_slice * mscale;
4332
4333                 if (w_inc > 1 && w_inc < v_slice) {
4334                         /* adjust for window's requested size increment */
4335                         remain = (win_g.w - w_base) % w_inc;
4336                         win_g.w -= remain;
4337                 }
4338
4339                 msize = win_g.w;
4340                 if (flip)
4341                         win_g.x += r_g.w - msize;
4342         } else {
4343                 msize = -2;
4344                 colno = split = winno / stacks;
4345                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
4346                     2 * border_width) / stacks);
4347         }
4348         hrh = r_g.h / colno;
4349         extra = r_g.h - (colno * hrh);
4350         win_g.h = hrh - 2 * border_width;
4351
4352         /*  stack all the tiled windows */
4353         i = j = 0, s = stacks;
4354         TAILQ_FOREACH(win, &ws->winlist, entry) {
4355                 if (win->transient || win->floating || win->iconic)
4356                         continue;
4357
4358                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4359                         fs_win = win;
4360                         continue;
4361                 }
4362
4363                 if (split && i == split) {
4364                         colno = (winno - mwin) / stacks;
4365                         if (s <= (winno - mwin) % stacks)
4366                                 colno++;
4367                         split += colno;
4368                         hrh = r_g.h / colno;
4369                         extra = r_g.h - (colno * hrh);
4370
4371                         if (!flip)
4372                                 win_g.x += win_g.w + 2 * border_width +
4373                                     tile_gap;
4374
4375                         win_g.w = (r_g.w - msize -
4376                             (stacks * (2 * border_width + tile_gap))) / stacks;
4377                         if (s == 1)
4378                                 win_g.w += (r_g.w - msize -
4379                                     (stacks * (2 * border_width + tile_gap))) %
4380                                     stacks;
4381
4382                         if (flip)
4383                                 win_g.x -= win_g.w + 2 * border_width +
4384                                     tile_gap;
4385                         s--;
4386                         j = 0;
4387                 }
4388
4389                 win_g.h = hrh - 2 * border_width - tile_gap;
4390
4391                 if (rot) {
4392                         h_inc = win->sh.width_inc;
4393                         h_base = win->sh.base_width;
4394                 } else {
4395                         h_inc = win->sh.height_inc;
4396                         h_base = win->sh.base_height;
4397                 }
4398
4399                 if (j == colno - 1) {
4400                         win_g.h = hrh + extra;
4401                 } else if (h_inc > 1 && h_inc < h_slice) {
4402                         /* adjust for window's requested size increment */
4403                         remain = (win_g.h - h_base) % h_inc;
4404                         missing = h_inc - remain;
4405
4406                         if (missing <= extra || j == 0) {
4407                                 extra -= missing;
4408                                 win_g.h += missing;
4409                         } else {
4410                                 win_g.h -= remain;
4411                                 extra += remain;
4412                         }
4413                 }
4414
4415                 if (j == 0)
4416                         win_g.y = r_g.y;
4417                 else
4418                         win_g.y += last_h + 2 * border_width + tile_gap;
4419
4420                 if (disable_border && !(bar_enabled && ws->bar_enabled) &&
4421                     winno == 1){
4422                         bordered = 0;
4423                         win_g.w += 2 * border_width;
4424                         win_g.h += 2 * border_width;
4425                 } else {
4426                         bordered = 1;
4427                 }
4428
4429                 if (rot) {
4430                         if (X(win) != win_g.y || Y(win) != win_g.x ||
4431                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
4432                                 reconfigure = 1;
4433                                 X(win) = win_g.y;
4434                                 Y(win) = win_g.x;
4435                                 WIDTH(win) = win_g.h;
4436                                 HEIGHT(win) = win_g.w;
4437                         }
4438                 } else {
4439                         if (X(win) != win_g.x || Y(win) != win_g.y ||
4440                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
4441                                 reconfigure = 1;
4442                                 X(win) = win_g.x;
4443                                 Y(win) = win_g.y;
4444                                 WIDTH(win) = win_g.w;
4445                                 HEIGHT(win) = win_g.h;
4446                         }
4447                 }
4448
4449                 if (bordered != win->bordered) {
4450                         reconfigure = 1;
4451                         win->bordered = bordered;
4452                 }
4453
4454                 if (reconfigure) {
4455                         adjust_font(win);
4456                         update_window(win);
4457                 }
4458
4459                 map_window(win, get_sibling(win, SWM_STACK_BELOW));
4460
4461                 last_h = win_g.h;
4462                 i++;
4463                 j++;
4464         }
4465
4466         /* Map/raise focused tiled window to top if windows could overlap. */
4467         if (tile_gap < 0 && ws->focus != NULL && !ws->focus->floating)
4468                 map_window(ws->focus, get_sibling(ws->focus, SWM_STACK_TOP));
4469
4470 notiles:
4471         /* now, stack all the floaters and transients */
4472         TAILQ_FOREACH(win, &ws->winlist, entry) {
4473                 if (!win->transient && !win->floating)
4474                         continue;
4475                 if (win->iconic)
4476                         continue;
4477                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4478                         fs_win = win;
4479                         continue;
4480                 }
4481
4482                 stack_floater(win, ws->r);
4483                 map_window(win, XCB_WINDOW_NONE);
4484         }
4485
4486         /* Make sure fs_win is stacked last so it's on top. */
4487         if (fs_win) {
4488                 stack_floater(fs_win, ws->r);
4489                 map_window(fs_win, XCB_WINDOW_NONE);
4490         }
4491 }
4492
4493 void
4494 vertical_config(struct workspace *ws, int id)
4495 {
4496         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
4497             id, ws->idx);
4498
4499         switch (id) {
4500         case SWM_ARG_ID_STACKRESET:
4501         case SWM_ARG_ID_STACKINIT:
4502                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
4503                 ws->l_state.vertical_mwin = 1;
4504                 ws->l_state.vertical_stacks = 1;
4505                 break;
4506         case SWM_ARG_ID_MASTERSHRINK:
4507                 if (ws->l_state.vertical_msize > 1)
4508                         ws->l_state.vertical_msize--;
4509                 break;
4510         case SWM_ARG_ID_MASTERGROW:
4511                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
4512                         ws->l_state.vertical_msize++;
4513                 break;
4514         case SWM_ARG_ID_MASTERADD:
4515                 ws->l_state.vertical_mwin++;
4516                 break;
4517         case SWM_ARG_ID_MASTERDEL:
4518                 if (ws->l_state.vertical_mwin > 0)
4519                         ws->l_state.vertical_mwin--;
4520                 break;
4521         case SWM_ARG_ID_STACKINC:
4522                 ws->l_state.vertical_stacks++;
4523                 break;
4524         case SWM_ARG_ID_STACKDEC:
4525                 if (ws->l_state.vertical_stacks > 1)
4526                         ws->l_state.vertical_stacks--;
4527                 break;
4528         case SWM_ARG_ID_FLIPLAYOUT:
4529                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
4530                 break;
4531         default:
4532                 return;
4533         }
4534 }
4535
4536 void
4537 vertical_stack(struct workspace *ws, struct swm_geometry *g)
4538 {
4539         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
4540
4541         stack_master(ws, g, 0, ws->l_state.vertical_flip);
4542 }
4543
4544 void
4545 horizontal_config(struct workspace *ws, int id)
4546 {
4547         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
4548
4549         switch (id) {
4550         case SWM_ARG_ID_STACKRESET:
4551         case SWM_ARG_ID_STACKINIT:
4552                 ws->l_state.horizontal_mwin = 1;
4553                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
4554                 ws->l_state.horizontal_stacks = 1;
4555                 break;
4556         case SWM_ARG_ID_MASTERSHRINK:
4557                 if (ws->l_state.horizontal_msize > 1)
4558                         ws->l_state.horizontal_msize--;
4559                 break;
4560         case SWM_ARG_ID_MASTERGROW:
4561                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
4562                         ws->l_state.horizontal_msize++;
4563                 break;
4564         case SWM_ARG_ID_MASTERADD:
4565                 ws->l_state.horizontal_mwin++;
4566                 break;
4567         case SWM_ARG_ID_MASTERDEL:
4568                 if (ws->l_state.horizontal_mwin > 0)
4569                         ws->l_state.horizontal_mwin--;
4570                 break;
4571         case SWM_ARG_ID_STACKINC:
4572                 ws->l_state.horizontal_stacks++;
4573                 break;
4574         case SWM_ARG_ID_STACKDEC:
4575                 if (ws->l_state.horizontal_stacks > 1)
4576                         ws->l_state.horizontal_stacks--;
4577                 break;
4578         case SWM_ARG_ID_FLIPLAYOUT:
4579                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
4580                 break;
4581         default:
4582                 return;
4583         }
4584 }
4585
4586 void
4587 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
4588 {
4589         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
4590
4591         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
4592 }
4593
4594 /* fullscreen view */
4595 void
4596 max_stack(struct workspace *ws, struct swm_geometry *g)
4597 {
4598         struct swm_geometry     gg = *g;
4599         struct ws_win           *w, *win = NULL, *parent = NULL;
4600         int                     winno;
4601
4602         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
4603
4604         if (ws == NULL)
4605                 return;
4606
4607         winno = count_win(ws, 0);
4608         if (winno == 0 && count_win(ws, 1) == 0)
4609                 return;
4610
4611         /* Figure out which top level window should be visible. */
4612         if (ws->focus_pending)
4613                 win = ws->focus_pending;
4614         else if (ws->focus)
4615                 win = ws->focus;
4616         else if (ws->focus_prev)
4617                 win = ws->focus_prev;
4618         else
4619                 win = TAILQ_FIRST(&ws->winlist);
4620
4621         if (win->transient)
4622                 parent = find_window(win->transient);
4623
4624         DNPRINTF(SWM_D_STACK, "max_stack: win: 0x%x\n", win->id);
4625
4626         /* maximize all top level windows */
4627         TAILQ_FOREACH(w, &ws->winlist, entry) {
4628                 if (w->transient || w->iconic)
4629                         continue;
4630
4631                 if (!w->mapped && w != win)
4632                         map_window(w, XCB_WINDOW_NONE);
4633
4634                 if (w->floating && !w->floatmaxed) {
4635                         /*
4636                          * retain geometry for retrieval on exit from
4637                          * max_stack mode
4638                          */
4639                         store_float_geom(w);
4640                         w->floatmaxed = 1;
4641                 }
4642
4643                 /* only reconfigure if necessary */
4644                 if (X(w) != gg.x || Y(w) != gg.y || WIDTH(w) != gg.w ||
4645                     HEIGHT(w) != gg.h) {
4646                         w->g = gg;
4647                         if (bar_enabled && ws->bar_enabled){
4648                                 w->bordered = 1;
4649                         } else {
4650                                 w->bordered = 0;
4651                                 WIDTH(w) += 2 * border_width;
4652                                 HEIGHT(w) += 2 * border_width;
4653                         }
4654
4655                         update_window(w);
4656                 }
4657         }
4658
4659         /* If a parent exists, map/raise it first. */
4660         if (parent) {
4661                 map_window(parent, XCB_WINDOW_NONE);
4662
4663                 /* Map siblings next. */
4664                 TAILQ_FOREACH(w, &ws->winlist, entry)
4665                         if (w != win && !w->iconic &&
4666                             w->transient == parent->id) {
4667                                 stack_floater(w, ws->r);
4668                                 map_window(w, XCB_WINDOW_NONE);
4669                         }
4670         }
4671
4672         /* Map/raise focused window. */
4673         map_window(win, XCB_WINDOW_NONE);
4674
4675         /* Finally, map/raise children of focus window. */
4676         TAILQ_FOREACH(w, &ws->winlist, entry)
4677                 if (w->transient == win->id && !w->iconic) {
4678                         stack_floater(w, ws->r);
4679                         map_window(w, XCB_WINDOW_NONE);
4680                 }
4681 }
4682
4683 void
4684 send_to_rg(struct swm_region *r, union arg *args)
4685 {
4686         int                     ridx = args->id, i, num_screens;
4687         struct swm_region       *rr = NULL;
4688         union arg               a;
4689
4690         num_screens = get_screen_count();
4691         /* do nothing if we don't have more than one screen */
4692         if (!(num_screens > 1 || outputs > 1))
4693                 return;
4694
4695         DNPRINTF(SWM_D_FOCUS, "send_to_rg: id: %d\n", ridx);
4696
4697         rr = TAILQ_FIRST(&r->s->rl);
4698         for (i = 0; i < ridx && rr != NULL; ++i)
4699                 rr = TAILQ_NEXT(rr, entry);
4700
4701         if (rr == NULL)
4702                 return;
4703
4704         a.id = rr->ws->idx;
4705
4706         send_to_ws(r, &a);
4707 }
4708
4709 struct swm_region *
4710 region_under(struct swm_screen *s, int x, int y)
4711 {
4712         struct swm_region       *r = NULL;
4713
4714         TAILQ_FOREACH(r, &s->rl, entry) {
4715                 DNPRINTF(SWM_D_MISC, "region_under: ws: %d, region g: (%d,%d) "
4716                     "%d x %d, coords: (%d,%d)\n", r->ws->idx, X(r), Y(r),
4717                     WIDTH(r), HEIGHT(r), x, y);
4718                 if (X(r) <= x && x < MAX_X(r))
4719                         if (Y(r) <= y && y < MAX_Y(r))
4720                                 return (r);
4721         }
4722
4723         return (NULL);
4724 }
4725
4726 void
4727 send_to_ws(struct swm_region *r, union arg *args)
4728 {
4729         int                     wsid = args->id;
4730         struct ws_win           *win = NULL;
4731
4732         if (r && r->ws && r->ws->focus)
4733                 win = r->ws->focus;
4734         else
4735                 return;
4736
4737         DNPRINTF(SWM_D_MOVE, "send_to_ws: win 0x%x, ws %d\n", win->id, wsid);
4738
4739         win_to_ws(win, wsid, 1);
4740
4741         /* Restack and set new focus. */
4742         stack();
4743
4744         if (focus_mode != SWM_FOCUS_FOLLOW) {
4745                 if (r->ws->focus_pending) {
4746                         focus_win(r->ws->focus_pending);
4747                         r->ws->focus_pending = NULL;
4748                 } else {
4749                         xcb_set_input_focus(conn,
4750                             XCB_INPUT_FOCUS_PARENT, r->id,
4751                             XCB_CURRENT_TIME);
4752                 }
4753         }
4754
4755         focus_flush();
4756 }
4757
4758 void
4759 win_to_ws(struct ws_win *win, int wsid, int unfocus)
4760 {
4761         struct ws_win           *parent;
4762         struct workspace        *ws, *nws, *pws;
4763         char                    ws_idx_str[SWM_PROPLEN];
4764
4765         if (wsid >= workspace_limit)
4766                 return;
4767
4768         if (win->ws->idx == wsid)
4769                 return;
4770
4771         ws = win->ws;
4772         nws = &win->s->ws[wsid];
4773
4774         DNPRINTF(SWM_D_MOVE, "win_to_ws: win 0x%x, ws %d -> %d\n", win->id,
4775             ws->idx, wsid);
4776
4777         /* Update the window's workspace property: _SWM_WS */
4778         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
4779                 if (focus_mode != SWM_FOCUS_FOLLOW)
4780                         ws->focus_pending = get_focus_prev(win);
4781
4782                 /* Move the parent if this is a transient window. */
4783                 if (win->transient) {
4784                         parent = find_window(win->transient);
4785                         if (parent) {
4786                                 pws = parent->ws;
4787                                 /* Set new focus in parent's ws if needed. */
4788                                 if (pws->focus == parent) {
4789                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4790                                                 pws->focus_pending =
4791                                                     get_focus_prev(parent);
4792
4793                                         unfocus_win(parent);
4794
4795                                         if (focus_mode != SWM_FOCUS_FOLLOW) {
4796                                                 pws->focus = pws->focus_pending;
4797                                                 pws->focus_pending = NULL;
4798                                         }
4799                                 }
4800
4801                                 /* Don't unmap parent if new ws is visible */
4802                                 if (nws->r == NULL)
4803                                         unmap_window(parent);
4804
4805                                 /* Transfer */
4806                                 TAILQ_REMOVE(&ws->winlist, parent, entry);
4807                                 TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
4808                                 parent->ws = nws;
4809
4810                                 DNPRINTF(SWM_D_PROP, "win_to_ws: set "
4811                                     "property: _SWM_WS: %s\n", ws_idx_str);
4812                                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE,
4813                                     parent->id, a_swm_ws, XCB_ATOM_STRING, 8,
4814                                     strlen(ws_idx_str), ws_idx_str);
4815                         }
4816                 }
4817
4818                 if (unfocus)
4819                         unfocus_win(win);
4820
4821                 /* Don't unmap if new ws is visible */
4822                 if (nws->r == NULL)
4823                         unmap_window(win);
4824
4825                 /* Transfer */
4826                 TAILQ_REMOVE(&ws->winlist, win, entry);
4827                 TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
4828                 win->ws = nws;
4829
4830                 /* Set focus on new ws. */
4831                 unfocus_win(nws->focus);
4832                 nws->focus = win;
4833
4834                 DNPRINTF(SWM_D_PROP, "win_to_ws: set property: _SWM_WS: %s\n",
4835                     ws_idx_str);
4836                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
4837                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
4838                     ws_idx_str);
4839         }
4840
4841         DNPRINTF(SWM_D_MOVE, "win_to_ws: done.\n");
4842 }
4843
4844 void
4845 pressbutton(struct swm_region *r, union arg *args)
4846 {
4847         /* suppress unused warning since var is needed */
4848         (void)r;
4849
4850         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
4851             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4852         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
4853             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4854 }
4855
4856 void
4857 raise_toggle(struct swm_region *r, union arg *args)
4858 {
4859         /* suppress unused warning since var is needed */
4860         (void)args;
4861
4862         if (r == NULL || r->ws == NULL)
4863                 return;
4864
4865         r->ws->always_raise = !r->ws->always_raise;
4866
4867         /* bring floaters back to top */
4868         if (!r->ws->always_raise)
4869                 stack();
4870
4871         focus_flush();
4872 }
4873
4874 void
4875 iconify(struct swm_region *r, union arg *args)
4876 {
4877         /* suppress unused warning since var is needed */
4878         (void)args;
4879
4880         if (r->ws->focus == NULL)
4881                 return;
4882
4883         set_swm_iconic(r->ws->focus, 1);
4884
4885         xcb_flush(conn);
4886 }
4887
4888 char *
4889 get_win_name(xcb_window_t win)
4890 {
4891         char                            *name = NULL;
4892         xcb_get_property_cookie_t       c;
4893         xcb_get_property_reply_t        *r;
4894
4895         /* First try _NET_WM_NAME for UTF-8. */
4896         c = xcb_get_property(conn, 0, win, ewmh[_NET_WM_NAME].atom,
4897             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4898         r = xcb_get_property_reply(conn, c, NULL);
4899
4900         if (r) {
4901                 if (r->type == XCB_NONE) {
4902                         free(r);
4903                         /* Use WM_NAME instead; no UTF-8. */
4904                         c = xcb_get_property(conn, 0, win, XCB_ATOM_WM_NAME,
4905                             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4906                         r = xcb_get_property_reply(conn, c, NULL);
4907
4908                         if (!r)
4909                                 return (NULL);
4910                         if (r->type == XCB_NONE) {
4911                                 free(r);
4912                                 return (NULL);
4913                         }
4914                 }
4915                 if (r->length > 0)
4916                         name = strndup(xcb_get_property_value(r),
4917                             xcb_get_property_value_length(r));
4918
4919                 free(r);
4920         }
4921
4922         return (name);
4923 }
4924
4925 void
4926 uniconify(struct swm_region *r, union arg *args)
4927 {
4928         struct ws_win           *win;
4929         FILE                    *lfile;
4930         char                    *name;
4931         int                     count = 0;
4932
4933         DNPRINTF(SWM_D_MISC, "uniconify\n");
4934
4935         if (r == NULL || r->ws == NULL)
4936                 return;
4937
4938         /* make sure we have anything to uniconify */
4939         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4940                 if (win->ws == NULL)
4941                         continue; /* should never happen */
4942                 if (!win->iconic)
4943                         continue;
4944                 count++;
4945         }
4946         if (count == 0)
4947                 return;
4948
4949         search_r = r;
4950         search_resp_action = SWM_SEARCH_UNICONIFY;
4951
4952         spawn_select(r, args, "search", &searchpid);
4953
4954         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4955                 return;
4956
4957         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4958                 if (win->ws == NULL)
4959                         continue; /* should never happen */
4960                 if (!win->iconic)
4961                         continue;
4962
4963                 name = get_win_name(win->id);
4964                 if (name == NULL)
4965                         continue;
4966                 fprintf(lfile, "%s.%u\n", name, win->id);
4967                 free(name);
4968         }
4969
4970         fclose(lfile);
4971 }
4972
4973 void
4974 name_workspace(struct swm_region *r, union arg *args)
4975 {
4976         FILE                    *lfile;
4977
4978         DNPRINTF(SWM_D_MISC, "name_workspace\n");
4979
4980         if (r == NULL)
4981                 return;
4982
4983         search_r = r;
4984         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
4985
4986         spawn_select(r, args, "name_workspace", &searchpid);
4987
4988         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4989                 return;
4990
4991         fprintf(lfile, "%s", "");
4992         fclose(lfile);
4993 }
4994
4995 void
4996 search_workspace(struct swm_region *r, union arg *args)
4997 {
4998         int                     i;
4999         struct workspace        *ws;
5000         FILE                    *lfile;
5001
5002         DNPRINTF(SWM_D_MISC, "search_workspace\n");
5003
5004         if (r == NULL)
5005                 return;
5006
5007         search_r = r;
5008         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
5009
5010         spawn_select(r, args, "search", &searchpid);
5011
5012         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
5013                 return;
5014
5015         for (i = 0; i < workspace_limit; i++) {
5016                 ws = &r->s->ws[i];
5017                 if (ws == NULL)
5018                         continue;
5019                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
5020                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
5021         }
5022
5023         fclose(lfile);
5024 }
5025
5026 void
5027 search_win_cleanup(void)
5028 {
5029         struct search_window    *sw = NULL;
5030
5031         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
5032                 xcb_destroy_window(conn, sw->indicator);
5033                 TAILQ_REMOVE(&search_wl, sw, entry);
5034                 free(sw);
5035         }
5036 }
5037
5038 void
5039 search_win(struct swm_region *r, union arg *args)
5040 {
5041         struct ws_win           *win = NULL;
5042         struct search_window    *sw = NULL;
5043         xcb_window_t            w;
5044         uint32_t                wa[2];
5045         int                     i, width, height;
5046         char                    s[8];
5047         FILE                    *lfile;
5048         size_t                  len;
5049         XftDraw                 *draw;
5050         XGlyphInfo              info;
5051         GC                      l_draw;
5052         XGCValues               l_gcv;
5053         XRectangle              l_ibox, l_lbox;
5054
5055         DNPRINTF(SWM_D_MISC, "search_win\n");
5056
5057         search_r = r;
5058         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
5059
5060         spawn_select(r, args, "search", &searchpid);
5061
5062         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
5063                 return;
5064
5065         TAILQ_INIT(&search_wl);
5066
5067         i = 1;
5068         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
5069                 if (win->iconic)
5070                         continue;
5071
5072                 sw = calloc(1, sizeof(struct search_window));
5073                 if (sw == NULL) {
5074                         warn("search_win: calloc");
5075                         fclose(lfile);
5076                         search_win_cleanup();
5077                         return;
5078                 }
5079                 sw->idx = i;
5080                 sw->win = win;
5081
5082                 snprintf(s, sizeof s, "%d", i);
5083                 len = strlen(s);
5084
5085                 w = xcb_generate_id(conn);
5086                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
5087                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].pixel;
5088
5089                 if (bar_font_legacy) {
5090                         XmbTextExtents(bar_fs, s, len, &l_ibox, &l_lbox);
5091                         width = l_lbox.width + 4;
5092                         height = bar_fs_extents->max_logical_extent.height + 4;
5093                 } else {
5094                         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len,
5095                             &info);
5096                         width = info.width + 4;
5097                         height = bar_font->height + 4;
5098                 }
5099
5100                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
5101                     width, height, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
5102                     XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL |
5103                     XCB_CW_BORDER_PIXEL, wa);
5104
5105                 xcb_map_window(conn, w);
5106
5107                 sw->indicator = w;
5108                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
5109
5110                 if (bar_font_legacy) {
5111                         l_gcv.graphics_exposures = 0;
5112                         l_draw = XCreateGC(display, w, 0, &l_gcv);
5113
5114                         XSetForeground(display, l_draw,
5115                                 r->s->c[SWM_S_COLOR_BAR].pixel);
5116
5117                         DRAWSTRING(display, w, bar_fs, l_draw, 2,
5118                             (bar_fs_extents->max_logical_extent.height -
5119                             l_lbox.height) / 2 - l_lbox.y, s, len);
5120
5121                         XFreeGC(display, l_draw);
5122                 } else {
5123
5124                         draw = XftDrawCreate(display, w,
5125                             DefaultVisual(display, r->s->idx),
5126                             DefaultColormap(display, r->s->idx));
5127
5128                         XftDrawStringUtf8(draw, &bar_font_color, bar_font, 2,
5129                             (HEIGHT(r->bar) + bar_font->height) / 2 -
5130                             bar_font->descent, (FcChar8 *)s, len);
5131
5132                         XftDrawDestroy(draw);
5133                 }
5134
5135                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
5136
5137                 fprintf(lfile, "%d\n", i);
5138                 i++;
5139         }
5140
5141         fclose(lfile);
5142
5143         xcb_flush(conn);
5144 }
5145
5146 void
5147 search_resp_uniconify(const char *resp, size_t len)
5148 {
5149         char                    *name;
5150         struct ws_win           *win;
5151         char                    *s;
5152
5153         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
5154
5155         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
5156                 if (!win->iconic)
5157                         continue;
5158                 name = get_win_name(win->id);
5159                 if (name == NULL)
5160                         continue;
5161                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
5162                         free(name);
5163                         continue;
5164                 }
5165                 free(name);
5166                 if (strncmp(s, resp, len) == 0) {
5167                         /* XXX this should be a callback to generalize */
5168                         set_swm_iconic(win, 0);
5169                         free(s);
5170                         break;
5171                 }
5172                 free(s);
5173         }
5174 }
5175
5176 void
5177 search_resp_name_workspace(const char *resp, size_t len)
5178 {
5179         struct workspace        *ws;
5180
5181         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
5182
5183         if (search_r->ws == NULL)
5184                 return;
5185         ws = search_r->ws;
5186
5187         if (ws->name) {
5188                 free(search_r->ws->name);
5189                 search_r->ws->name = NULL;
5190         }
5191
5192         if (len > 1) {
5193                 ws->name = strdup(resp);
5194                 if (ws->name == NULL) {
5195                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
5196                             "strdup: %s", strerror(errno));
5197                         return;
5198                 }
5199         }
5200 }
5201
5202 void
5203 search_resp_search_workspace(const char *resp)
5204 {
5205         char                    *p, *q;
5206         int                     ws_idx;
5207         const char              *errstr;
5208         union arg               a;
5209
5210         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
5211
5212         q = strdup(resp);
5213         if (!q) {
5214                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
5215                     strerror(errno));
5216                 return;
5217         }
5218         p = strchr(q, ':');
5219         if (p != NULL)
5220                 *p = '\0';
5221         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
5222         if (errstr) {
5223                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
5224                     errstr, q);
5225                 free(q);
5226                 return;
5227         }
5228         free(q);
5229         a.id = ws_idx - 1;
5230         switchws(search_r, &a);
5231 }
5232
5233 void
5234 search_resp_search_window(const char *resp)
5235 {
5236         char                    *s;
5237         int                     idx;
5238         const char              *errstr;
5239         struct search_window    *sw;
5240
5241         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
5242
5243         s = strdup(resp);
5244         if (!s) {
5245                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
5246                     strerror(errno));
5247                 return;
5248         }
5249
5250         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
5251         if (errstr) {
5252                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
5253                     errstr, s);
5254                 free(s);
5255                 return;
5256         }
5257         free(s);
5258
5259         TAILQ_FOREACH(sw, &search_wl, entry)
5260                 if (idx == sw->idx) {
5261                         focus_win(sw->win);
5262                         break;
5263                 }
5264 }
5265
5266 #define MAX_RESP_LEN    1024
5267
5268 void
5269 search_do_resp(void)
5270 {
5271         ssize_t                 rbytes;
5272         char                    *resp;
5273         size_t                  len;
5274
5275         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
5276
5277         search_resp = 0;
5278         searchpid = 0;
5279
5280         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
5281                 warn("search: calloc");
5282                 goto done;
5283         }
5284
5285         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
5286         if (rbytes <= 0) {
5287                 warn("search: read error");
5288                 goto done;
5289         }
5290         resp[rbytes] = '\0';
5291
5292         /* XXX:
5293          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
5294          * newline, so work around that by sanitizing the resp now.
5295          */
5296         resp[strcspn(resp, "\n")] = '\0';
5297         len = strlen(resp);
5298
5299         switch (search_resp_action) {
5300         case SWM_SEARCH_UNICONIFY:
5301                 search_resp_uniconify(resp, len);
5302                 break;
5303         case SWM_SEARCH_NAME_WORKSPACE:
5304                 search_resp_name_workspace(resp, len);
5305                 break;
5306         case SWM_SEARCH_SEARCH_WORKSPACE:
5307                 search_resp_search_workspace(resp);
5308                 break;
5309         case SWM_SEARCH_SEARCH_WINDOW:
5310                 search_resp_search_window(resp);
5311                 break;
5312         }
5313
5314 done:
5315         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
5316                 search_win_cleanup();
5317
5318         search_resp_action = SWM_SEARCH_NONE;
5319         close(select_resp_pipe[0]);
5320         free(resp);
5321
5322         xcb_flush(conn);
5323 }
5324
5325 void
5326 wkill(struct swm_region *r, union arg *args)
5327 {
5328         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
5329
5330         if (r->ws->focus == NULL)
5331                 return;
5332
5333         if (args->id == SWM_ARG_ID_KILLWINDOW)
5334                 xcb_kill_client(conn, r->ws->focus->id);
5335         else
5336                 if (r->ws->focus->can_delete)
5337                         client_msg(r->ws->focus, a_delete, 0);
5338
5339         focus_flush();
5340 }
5341
5342 int
5343 floating_toggle_win(struct ws_win *win)
5344 {
5345         if (win == NULL)
5346                 return (0);
5347
5348         if (!win->ws->r)
5349                 return (0);
5350
5351         /* reject floating toggles in max stack mode */
5352         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
5353                 return (0);
5354
5355         if (win->floating) {
5356                 if (!win->floatmaxed) {
5357                         /* retain position for refloat */
5358                         store_float_geom(win);
5359                 }
5360                 win->floating = 0;
5361         } else {
5362                 load_float_geom(win);
5363                 win->floating = 1;
5364         }
5365
5366         ewmh_update_actions(win);
5367
5368         return (1);
5369 }
5370
5371 void
5372 floating_toggle(struct swm_region *r, union arg *args)
5373 {
5374         struct ws_win           *win = r->ws->focus;
5375
5376         /* suppress unused warning since var is needed */
5377         (void)args;
5378
5379         if (win == NULL)
5380                 return;
5381
5382         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5383                 return;
5384
5385         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5386             _NET_WM_STATE_TOGGLE);
5387
5388         stack();
5389
5390         if (win == win->ws->focus)
5391                 focus_win(win);
5392
5393         focus_flush();
5394 }
5395
5396 void
5397 region_containment(struct ws_win *win, struct swm_region *r, int opts)
5398 {
5399         struct swm_geometry             g = r->g;
5400         int                             rt, lt, tp, bm, bw;
5401
5402         bw = (opts & SWM_CW_SOFTBOUNDARY) ? boundary_width : 0;
5403
5404         /*
5405          * Perpendicular distance of each side of the window to the respective
5406          * side of the region boundary.  Positive values indicate the side of
5407          * the window has passed beyond the region boundary.
5408          */
5409         rt = opts & SWM_CW_RIGHT ? MAX_X(win) + BORDER(win) - MAX_X(r) : bw;
5410         lt = opts & SWM_CW_LEFT ? X(r) - X(win) + BORDER(win) : bw;
5411         bm = opts & SWM_CW_BOTTOM ? MAX_Y(win) + BORDER(win) - MAX_Y(r) : bw;
5412         tp = opts & SWM_CW_TOP ? Y(r) - Y(win) + BORDER(win) : bw;
5413
5414         DNPRINTF(SWM_D_MISC, "region_containment: win 0x%x, rt: %d, lt: %d, "
5415             "bm: %d, tp: %d, SOFTBOUNDARY: %s, HARDBOUNDARY: %s\n", win->id, rt,
5416             lt, bm, tp, YESNO(opts & SWM_CW_SOFTBOUNDARY),
5417             YESNO(opts & SWM_CW_HARDBOUNDARY));
5418
5419         /*
5420          * Disable containment if any of the flagged sides went beyond the
5421          * containment boundary, or if containment is disabled.
5422          */
5423         if (!(opts & SWM_CW_HARDBOUNDARY || opts & SWM_CW_SOFTBOUNDARY) ||
5424             (bw != 0 && ((rt > bw) || (lt > bw) || (bm > bw) || (tp > bw)))) {
5425                 /* Make sure window has at least 1 pixel in the region */
5426                 g.x += 1 - WIDTH(win);
5427                 g.y += 1 - HEIGHT(win);
5428                 g.w += 2 * WIDTH(win) - 2;
5429                 g.h += 2 * HEIGHT(win) - 2;
5430         }
5431
5432         constrain_window(win, &g, &opts);
5433 }
5434
5435 /* Move or resize a window so that flagged side(s) fit into the supplied box. */
5436 void
5437 constrain_window(struct ws_win *win, struct swm_geometry *b, int *opts)
5438 {
5439         DNPRINTF(SWM_D_MISC, "constrain_window: window: 0x%x, (x,y) w x h: "
5440             "(%d,%d) %d x %d, box: (x,y) w x h: (%d,%d) %d x %d, rt: %s, "
5441             "lt: %s, bt: %s, tp: %s, allow resize: %s\n", win->id, X(win),
5442             Y(win), WIDTH(win), HEIGHT(win), b->x, b->y, b->w, b->h,
5443             YESNO(*opts & SWM_CW_RIGHT), YESNO(*opts & SWM_CW_LEFT),
5444             YESNO(*opts & SWM_CW_BOTTOM), YESNO(*opts & SWM_CW_TOP),
5445             YESNO(*opts & SWM_CW_RESIZABLE));
5446
5447         if ((*opts & SWM_CW_RIGHT) && MAX_X(win) + BORDER(win) > b->x + b->w) {
5448                 if (*opts & SWM_CW_RESIZABLE)
5449                         WIDTH(win) = b->x + b->w - X(win) - BORDER(win);
5450                 else
5451                         X(win) = b->x + b->w - WIDTH(win) - BORDER(win);
5452         }
5453
5454         if ((*opts & SWM_CW_LEFT) && X(win) + BORDER(win) < b->x) {
5455                 if (*opts & SWM_CW_RESIZABLE)
5456                         WIDTH(win) -= b->x - X(win) - BORDER(win);
5457
5458                 X(win) = b->x - BORDER(win);
5459         }
5460
5461         if ((*opts & SWM_CW_BOTTOM) && MAX_Y(win) + BORDER(win) > b->y + b->h) {
5462                 if (*opts & SWM_CW_RESIZABLE)
5463                         HEIGHT(win) = b->y + b->h - Y(win) - BORDER(win);
5464                 else
5465                         Y(win) = b->y + b->h - HEIGHT(win) - BORDER(win);
5466         }
5467
5468         if ((*opts & SWM_CW_TOP) && Y(win) + BORDER(win) < b->y) {
5469                 if (*opts & SWM_CW_RESIZABLE)
5470                         HEIGHT(win) -= b->y - Y(win) - BORDER(win);
5471
5472                 Y(win) = b->y - BORDER(win);
5473         }
5474
5475         if (*opts & SWM_CW_RESIZABLE) {
5476                 if (WIDTH(win) < 1)
5477                         WIDTH(win) = 1;
5478                 if (HEIGHT(win) < 1)
5479                         HEIGHT(win) = 1;
5480         }
5481 }
5482
5483 void
5484 update_window(struct ws_win *win)
5485 {
5486         uint16_t        mask;
5487         uint32_t        wc[5];
5488
5489         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
5490             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
5491             XCB_CONFIG_WINDOW_BORDER_WIDTH;
5492         wc[0] = X(win);
5493         wc[1] = Y(win);
5494         wc[2] = WIDTH(win);
5495         wc[3] = HEIGHT(win);
5496         wc[4] = BORDER(win);
5497
5498         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
5499             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
5500             wc[3], YESNO(win->bordered));
5501
5502         xcb_configure_window(conn, win->id, mask, wc);
5503 }
5504
5505 #define SWM_RESIZE_STEPS        (50)
5506
5507 void
5508 resize(struct ws_win *win, union arg *args)
5509 {
5510         xcb_timestamp_t         timestamp = 0;
5511         struct swm_region       *r = NULL;
5512         int                     resize_stp = 0;
5513         struct swm_geometry     g;
5514         int                     top = 0, left = 0, resizing;
5515         int                     dx, dy;
5516         xcb_cursor_t                    cursor;
5517         xcb_query_pointer_reply_t       *xpr = NULL;
5518         xcb_generic_event_t             *evt;
5519         xcb_motion_notify_event_t       *mne;
5520
5521         if (win == NULL)
5522                 return;
5523         r = win->ws->r;
5524
5525         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5526                 return;
5527
5528         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
5529             "transient: 0x%x\n", win->id, YESNO(win->floating),
5530             win->transient);
5531
5532         if (!win->transient && !win->floating)
5533                 return;
5534
5535         /* reject resizes in max mode for floaters (transient ok) */
5536         if (win->floatmaxed)
5537                 return;
5538
5539         win->manual = 1;
5540         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5541             _NET_WM_STATE_ADD);
5542
5543         stack();
5544
5545         focus_flush();
5546
5547         /* It's possible for win to have been freed during focus_flush(). */
5548         if (validate_win(win)) {
5549                 DNPRINTF(SWM_D_EVENT, "resize: invalid win.\n");
5550                 goto out;
5551         }
5552
5553         switch (args->id) {
5554         case SWM_ARG_ID_WIDTHSHRINK:
5555                 WIDTH(win) -= SWM_RESIZE_STEPS;
5556                 resize_stp = 1;
5557                 break;
5558         case SWM_ARG_ID_WIDTHGROW:
5559                 WIDTH(win) += SWM_RESIZE_STEPS;
5560                 resize_stp = 1;
5561                 break;
5562         case SWM_ARG_ID_HEIGHTSHRINK:
5563                 HEIGHT(win) -= SWM_RESIZE_STEPS;
5564                 resize_stp = 1;
5565                 break;
5566         case SWM_ARG_ID_HEIGHTGROW:
5567                 HEIGHT(win) += SWM_RESIZE_STEPS;
5568                 resize_stp = 1;
5569                 break;
5570         default:
5571                 break;
5572         }
5573         if (resize_stp) {
5574                 region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
5575                     SWM_CW_HARDBOUNDARY);
5576                 update_window(win);
5577                 store_float_geom(win);
5578                 return;
5579         }
5580
5581         region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
5582             SWM_CW_SOFTBOUNDARY);
5583         update_window(win);
5584
5585         /* get cursor offset from window root */
5586         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5587             NULL);
5588         if (!xpr)
5589                 return;
5590
5591         g = win->g;
5592
5593         if (xpr->win_x < WIDTH(win) / 2)
5594                 left = 1;
5595
5596         if (xpr->win_y < HEIGHT(win) / 2)
5597                 top = 1;
5598
5599         if (args->id == SWM_ARG_ID_CENTER)
5600                 cursor = cursors[XC_SIZING].cid;
5601         else if (top)
5602                 cursor = cursors[left ? XC_TOP_LEFT_CORNER :
5603                     XC_TOP_RIGHT_CORNER].cid;
5604         else
5605                 cursor = cursors[left ? XC_BOTTOM_LEFT_CORNER :
5606                     XC_BOTTOM_RIGHT_CORNER].cid;
5607
5608         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5609             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
5610             XCB_CURRENT_TIME),
5611
5612         xcb_flush(conn);
5613         resizing = 1;
5614         while (resizing && (evt = xcb_wait_for_event(conn))) {
5615                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5616                 case XCB_BUTTON_RELEASE:
5617                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
5618                         resizing = 0;
5619                         break;
5620                 case XCB_MOTION_NOTIFY:
5621                         mne = (xcb_motion_notify_event_t *)evt;
5622                         /* cursor offset/delta from start of the operation */
5623                         dx = mne->root_x - xpr->root_x;
5624                         dy = mne->root_y - xpr->root_y;
5625
5626                         /* vertical */
5627                         if (top)
5628                                 dy = -dy;
5629
5630                         if (args->id == SWM_ARG_ID_CENTER) {
5631                                 if (g.h / 2 + dy < 1)
5632                                         dy = 1 - g.h / 2;
5633
5634                                 Y(win) = g.y - dy;
5635                                 HEIGHT(win) = g.h + 2 * dy;
5636                         } else {
5637                                 if (g.h + dy < 1)
5638                                         dy = 1 - g.h;
5639
5640                                 if (top)
5641                                         Y(win) = g.y - dy;
5642
5643                                 HEIGHT(win) = g.h + dy;
5644                         }
5645
5646                         /* horizontal */
5647                         if (left)
5648                                 dx = -dx;
5649
5650                         if (args->id == SWM_ARG_ID_CENTER) {
5651                                 if (g.w / 2 + dx < 1)
5652                                         dx = 1 - g.w / 2;
5653
5654                                 X(win) = g.x - dx;
5655                                 WIDTH(win) = g.w + 2 * dx;
5656                         } else {
5657                                 if (g.w + dx < 1)
5658                                         dx = 1 - g.w;
5659
5660                                 if (left)
5661                                         X(win) = g.x - dx;
5662
5663                                 WIDTH(win) = g.w + dx;
5664                         }
5665
5666                         /* not free, don't sync more than 120 times / second */
5667                         if ((mne->time - timestamp) > (1000 / 120) ) {
5668                                 timestamp = mne->time;
5669                                 regionize(win, mne->root_x, mne->root_y);
5670                                 region_containment(win, r, SWM_CW_ALLSIDES |
5671                                     SWM_CW_RESIZABLE | SWM_CW_HARDBOUNDARY |
5672                                     SWM_CW_SOFTBOUNDARY);
5673                                 update_window(win);
5674                                 xcb_flush(conn);
5675                         }
5676                         break;
5677                 default:
5678                         event_handle(evt);
5679
5680                         /* It's possible for win to have been freed above. */
5681                         if (validate_win(win)) {
5682                                 DNPRINTF(SWM_D_EVENT, "resize: invalid win.\n");
5683                                 goto out;
5684                         }
5685                         break;
5686                 }
5687                 free(evt);
5688         }
5689         if (timestamp) {
5690                 region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
5691                     SWM_CW_HARDBOUNDARY | SWM_CW_SOFTBOUNDARY);
5692                 update_window(win);
5693                 xcb_flush(conn);
5694         }
5695         store_float_geom(win);
5696 out:
5697         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5698         free(xpr);
5699         DNPRINTF(SWM_D_EVENT, "resize: done.\n");
5700 }
5701
5702 void
5703 resize_step(struct swm_region *r, union arg *args)
5704 {
5705         struct ws_win           *win = NULL;
5706
5707         if (r && r->ws && r->ws->focus)
5708                 win = r->ws->focus;
5709         else
5710                 return;
5711
5712         resize(win, args);
5713         focus_flush();
5714 }
5715
5716 /* Try to set window region based on supplied coordinates or window center. */
5717 void
5718 regionize(struct ws_win *win, int x, int y)
5719 {
5720         struct swm_region *r = NULL;
5721
5722         r = region_under(win->s, x, y);
5723         if (r == NULL)
5724                 r = region_under(win->s, X(win) + WIDTH(win) / 2,
5725                     Y(win) + HEIGHT(win) / 2);
5726
5727         if (r && r != win->ws->r) {
5728                 win_to_ws(win, r->ws->idx, 0);
5729                 set_region(r);
5730         }
5731 }
5732
5733 #define SWM_MOVE_STEPS  (50)
5734
5735 void
5736 move(struct ws_win *win, union arg *args)
5737 {
5738         xcb_timestamp_t         timestamp = 0;
5739         int                     move_stp = 0, moving;
5740         xcb_query_pointer_reply_t       *qpr = NULL;
5741         xcb_generic_event_t             *evt;
5742         xcb_motion_notify_event_t       *mne;
5743
5744         if (win == NULL)
5745                 return;
5746
5747         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5748                 return;
5749
5750         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
5751             "0x%x\n", win->id, YESNO(win->floating), win->transient);
5752
5753         /* in max_stack mode should only move transients */
5754         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
5755                 return;
5756
5757         if (!win->manual) {
5758                 win->manual = 1;
5759                 ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5760                     _NET_WM_STATE_ADD);
5761         }
5762
5763         /* When a stacked win is moved, float it and restack. */
5764         if (!win->floating && !win->transient) {
5765                 store_float_geom(win);
5766                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5767                     _NET_WM_STATE_ADD);
5768                 stack();
5769         }
5770
5771         focus_flush();
5772
5773         /* It's possible for win to have been freed during focus_flush(). */
5774         if (validate_win(win)) {
5775                 DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
5776                 goto out;
5777         }
5778
5779         move_stp = 0;
5780         switch (args->id) {
5781         case SWM_ARG_ID_MOVELEFT:
5782                 X(win) -= (SWM_MOVE_STEPS - border_width);
5783                 move_stp = 1;
5784                 break;
5785         case SWM_ARG_ID_MOVERIGHT:
5786                 X(win) += (SWM_MOVE_STEPS - border_width);
5787                 move_stp = 1;
5788                 break;
5789         case SWM_ARG_ID_MOVEUP:
5790                 Y(win) -= (SWM_MOVE_STEPS - border_width);
5791                 move_stp = 1;
5792                 break;
5793         case SWM_ARG_ID_MOVEDOWN:
5794                 Y(win) += (SWM_MOVE_STEPS - border_width);
5795                 move_stp = 1;
5796                 break;
5797         default:
5798                 break;
5799         }
5800         if (move_stp) {
5801                 regionize(win, -1, -1);
5802                 region_containment(win, win->ws->r, SWM_CW_ALLSIDES);
5803                 update_window(win);
5804                 store_float_geom(win);
5805                 return;
5806         }
5807
5808         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5809             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
5810             XCB_WINDOW_NONE, cursors[XC_FLEUR].cid, XCB_CURRENT_TIME);
5811
5812         /* get cursor offset from window root */
5813         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5814                 NULL);
5815         if (!qpr) {
5816                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5817                 return;
5818         }
5819
5820         regionize(win, qpr->root_x, qpr->root_y);
5821         region_containment(win, win->ws->r, SWM_CW_ALLSIDES |
5822             SWM_CW_SOFTBOUNDARY);
5823         update_window(win);
5824         xcb_flush(conn);
5825         moving = 1;
5826         while (moving && (evt = xcb_wait_for_event(conn))) {
5827                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5828                 case XCB_BUTTON_RELEASE:
5829                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
5830                         moving = 0;
5831                         break;
5832                 case XCB_MOTION_NOTIFY:
5833                         mne = (xcb_motion_notify_event_t *)evt;
5834                         DNPRINTF(SWM_D_EVENT, "motion: root: 0x%x\n", mne->root);
5835                         X(win) = mne->root_x - qpr->win_x - border_width;
5836                         Y(win) = mne->root_y - qpr->win_y - border_width;
5837
5838                         /* not free, don't sync more than 120 times / second */
5839                         if ((mne->time - timestamp) > (1000 / 120) ) {
5840                                 timestamp = mne->time;
5841                                 regionize(win, mne->root_x, mne->root_y);
5842                                 region_containment(win, win->ws->r,
5843                                     SWM_CW_ALLSIDES | SWM_CW_SOFTBOUNDARY);
5844                                 update_window(win);
5845                                 xcb_flush(conn);
5846                         }
5847                         break;
5848                 default:
5849                         event_handle(evt);
5850
5851                         /* It's possible for win to have been freed above. */
5852                         if (validate_win(win)) {
5853                                 DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
5854                                 goto out;
5855                         }
5856                         break;
5857                 }
5858                 free(evt);
5859         }
5860         if (timestamp) {
5861                 region_containment(win, win->ws->r, SWM_CW_ALLSIDES |
5862                     SWM_CW_SOFTBOUNDARY);
5863                 update_window(win);
5864                 xcb_flush(conn);
5865         }
5866         store_float_geom(win);
5867 out:
5868         free(qpr);
5869         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5870         DNPRINTF(SWM_D_EVENT, "move: done.\n");
5871 }
5872
5873 void
5874 move_step(struct swm_region *r, union arg *args)
5875 {
5876         struct ws_win           *win = NULL;
5877
5878         if (r && r->ws && r->ws->focus)
5879                 win = r->ws->focus;
5880         else
5881                 return;
5882
5883         if (!win->transient && !win->floating)
5884                 return;
5885
5886         move(win, args);
5887         focus_flush();
5888 }
5889
5890 /* key definitions */
5891 struct keyfunc {
5892         char                    name[SWM_FUNCNAME_LEN];
5893         void                    (*func)(struct swm_region *r, union arg *);
5894         union arg               args;
5895 } keyfuncs[KF_INVALID + 1] = {
5896         /* name                 function        argument */
5897         { "bar_toggle",         bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE} },
5898         { "bar_toggle_ws",      bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE_WS} },
5899         { "button2",            pressbutton,    {2} },
5900         { "cycle_layout",       cycle_layout,   {0} },
5901         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
5902         { "float_toggle",       floating_toggle,{0} },
5903         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
5904         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
5905         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
5906         { "focus_urgent",       focus,          {.id = SWM_ARG_ID_FOCUSURGENT} },
5907         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
5908         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
5909         { "iconify",            iconify,        {0} },
5910         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
5911         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
5912         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
5913         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
5914         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
5915         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
5916         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
5917         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
5918         { "mvrg_1",             send_to_rg,     {.id = 0} },
5919         { "mvrg_2",             send_to_rg,     {.id = 1} },
5920         { "mvrg_3",             send_to_rg,     {.id = 2} },
5921         { "mvrg_4",             send_to_rg,     {.id = 3} },
5922         { "mvrg_5",             send_to_rg,     {.id = 4} },
5923         { "mvrg_6",             send_to_rg,     {.id = 5} },
5924         { "mvrg_7",             send_to_rg,     {.id = 6} },
5925         { "mvrg_8",             send_to_rg,     {.id = 7} },
5926         { "mvrg_9",             send_to_rg,     {.id = 8} },
5927         { "mvws_1",             send_to_ws,     {.id = 0} },
5928         { "mvws_2",             send_to_ws,     {.id = 1} },
5929         { "mvws_3",             send_to_ws,     {.id = 2} },
5930         { "mvws_4",             send_to_ws,     {.id = 3} },
5931         { "mvws_5",             send_to_ws,     {.id = 4} },
5932         { "mvws_6",             send_to_ws,     {.id = 5} },
5933         { "mvws_7",             send_to_ws,     {.id = 6} },
5934         { "mvws_8",             send_to_ws,     {.id = 7} },
5935         { "mvws_9",             send_to_ws,     {.id = 8} },
5936         { "mvws_10",            send_to_ws,     {.id = 9} },
5937         { "mvws_11",            send_to_ws,     {.id = 10} },
5938         { "mvws_12",            send_to_ws,     {.id = 11} },
5939         { "mvws_13",            send_to_ws,     {.id = 12} },
5940         { "mvws_14",            send_to_ws,     {.id = 13} },
5941         { "mvws_15",            send_to_ws,     {.id = 14} },
5942         { "mvws_16",            send_to_ws,     {.id = 15} },
5943         { "mvws_17",            send_to_ws,     {.id = 16} },
5944         { "mvws_18",            send_to_ws,     {.id = 17} },
5945         { "mvws_19",            send_to_ws,     {.id = 18} },
5946         { "mvws_20",            send_to_ws,     {.id = 19} },
5947         { "mvws_21",            send_to_ws,     {.id = 20} },
5948         { "mvws_22",            send_to_ws,     {.id = 21} },
5949         { "name_workspace",     name_workspace, {0} },
5950         { "quit",               quit,           {0} },
5951         { "raise_toggle",       raise_toggle,   {0} },
5952         { "restart",            restart,        {0} },
5953         { "rg_1",               focusrg,        {.id = 0} },
5954         { "rg_2",               focusrg,        {.id = 1} },
5955         { "rg_3",               focusrg,        {.id = 2} },
5956         { "rg_4",               focusrg,        {.id = 3} },
5957         { "rg_5",               focusrg,        {.id = 4} },
5958         { "rg_6",               focusrg,        {.id = 5} },
5959         { "rg_7",               focusrg,        {.id = 6} },
5960         { "rg_8",               focusrg,        {.id = 7} },
5961         { "rg_9",               focusrg,        {.id = 8} },
5962         { "rg_next",            cyclerg,        {.id = SWM_ARG_ID_CYCLERG_UP} },
5963         { "rg_prev",            cyclerg,        {.id = SWM_ARG_ID_CYCLERG_DOWN} },
5964         { "screen_next",        cyclerg,        {.id = SWM_ARG_ID_CYCLERG_UP} },
5965         { "screen_prev",        cyclerg,        {.id = SWM_ARG_ID_CYCLERG_DOWN} },
5966         { "search_win",         search_win,     {0} },
5967         { "search_workspace",   search_workspace,       {0} },
5968         { "spawn_custom",       NULL,           {0} },
5969         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
5970         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
5971         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
5972         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
5973         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
5974         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
5975         { "uniconify",          uniconify,      {0} },
5976         { "version",            version,        {0} },
5977         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
5978         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
5979         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
5980         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
5981         { "ws_1",               switchws,       {.id = 0} },
5982         { "ws_2",               switchws,       {.id = 1} },
5983         { "ws_3",               switchws,       {.id = 2} },
5984         { "ws_4",               switchws,       {.id = 3} },
5985         { "ws_5",               switchws,       {.id = 4} },
5986         { "ws_6",               switchws,       {.id = 5} },
5987         { "ws_7",               switchws,       {.id = 6} },
5988         { "ws_8",               switchws,       {.id = 7} },
5989         { "ws_9",               switchws,       {.id = 8} },
5990         { "ws_10",              switchws,       {.id = 9} },
5991         { "ws_11",              switchws,       {.id = 10} },
5992         { "ws_12",              switchws,       {.id = 11} },
5993         { "ws_13",              switchws,       {.id = 12} },
5994         { "ws_14",              switchws,       {.id = 13} },
5995         { "ws_15",              switchws,       {.id = 14} },
5996         { "ws_16",              switchws,       {.id = 15} },
5997         { "ws_17",              switchws,       {.id = 16} },
5998         { "ws_18",              switchws,       {.id = 17} },
5999         { "ws_19",              switchws,       {.id = 18} },
6000         { "ws_20",              switchws,       {.id = 19} },
6001         { "ws_21",              switchws,       {.id = 20} },
6002         { "ws_22",              switchws,       {.id = 21} },
6003         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
6004         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
6005         { "ws_next_move",       cyclews,        {.id = SWM_ARG_ID_CYCLEWS_MOVE_UP} },
6006         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
6007         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
6008         { "ws_prev_move",       cyclews,        {.id = SWM_ARG_ID_CYCLEWS_MOVE_DOWN} },
6009         { "ws_prior",           priorws,        {0} },
6010         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
6011         { "invalid key func",   NULL,           {0} },
6012 };
6013
6014 int
6015 key_cmp(struct key *kp1, struct key *kp2)
6016 {
6017         if (kp1->keysym < kp2->keysym)
6018                 return (-1);
6019         if (kp1->keysym > kp2->keysym)
6020                 return (1);
6021
6022         if (kp1->mod < kp2->mod)
6023                 return (-1);
6024         if (kp1->mod > kp2->mod)
6025                 return (1);
6026
6027         return (0);
6028 }
6029
6030 /* mouse */
6031 enum { client_click, root_click };
6032 struct button {
6033         unsigned int            action;
6034         unsigned int            mask;
6035         unsigned int            button;
6036         void                    (*func)(struct ws_win *, union arg *);
6037         union arg               args;
6038 } buttons[] = {
6039 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
6040           /* action     key             mouse button    func    args */
6041         { client_click, MODKEY,         XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_DONTCENTER} },
6042         { client_click, MODKEY_SHIFT,   XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_CENTER} },
6043         { client_click, MODKEY,         XCB_BUTTON_INDEX_1,     move,   {0} },
6044 #undef MODKEY_SHIFT
6045 };
6046
6047 void
6048 update_modkey(unsigned int mod)
6049 {
6050         int                     i;
6051         struct key              *kp;
6052
6053         mod_key = mod;
6054         RB_FOREACH(kp, key_tree, &keys)
6055                 if (kp->mod & XCB_MOD_MASK_SHIFT)
6056                         kp->mod = mod | XCB_MOD_MASK_SHIFT;
6057                 else
6058                         kp->mod = mod;
6059
6060         for (i = 0; i < LENGTH(buttons); i++)
6061                 if (buttons[i].mask & XCB_MOD_MASK_SHIFT)
6062                         buttons[i].mask = mod | XCB_MOD_MASK_SHIFT;
6063                 else
6064                         buttons[i].mask = mod;
6065 }
6066
6067 int
6068 spawn_expand(struct swm_region *r, union arg *args, const char *spawn_name,
6069     char ***ret_args)
6070 {
6071         struct spawn_prog       *prog = NULL;
6072         int                     i, c;
6073         char                    *ap, **real_args;
6074
6075         /* suppress unused warning since var is needed */
6076         (void)args;
6077
6078         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
6079
6080         /* find program */
6081         TAILQ_FOREACH(prog, &spawns, entry) {
6082                 if (!strcasecmp(spawn_name, prog->name))
6083                         break;
6084         }
6085         if (prog == NULL) {
6086                 warnx("spawn_custom: program %s not found", spawn_name);
6087                 return (-1);
6088         }
6089
6090         /* make room for expanded args */
6091         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
6092                 err(1, "spawn_custom: calloc real_args");
6093
6094         /* expand spawn_args into real_args */
6095         for (i = c = 0; i < prog->argc; i++) {
6096                 ap = prog->argv[i];
6097                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
6098                 if (!strcasecmp(ap, "$bar_border")) {
6099                         if ((real_args[c] =
6100                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
6101                             == NULL)
6102                                 err(1,  "spawn_custom border color");
6103                 } else if (!strcasecmp(ap, "$bar_color")) {
6104                         if ((real_args[c] =
6105                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
6106                             == NULL)
6107                                 err(1, "spawn_custom bar color");
6108                 } else if (!strcasecmp(ap, "$bar_font")) {
6109                         if ((real_args[c] = strdup(bar_fonts))
6110                             == NULL)
6111                                 err(1, "spawn_custom bar fonts");
6112                 } else if (!strcasecmp(ap, "$bar_font_color")) {
6113                         if ((real_args[c] =
6114                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
6115                             == NULL)
6116                                 err(1, "spawn_custom color font");
6117                 } else if (!strcasecmp(ap, "$color_focus")) {
6118                         if ((real_args[c] =
6119                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
6120                             == NULL)
6121                                 err(1, "spawn_custom color focus");
6122                 } else if (!strcasecmp(ap, "$color_unfocus")) {
6123                         if ((real_args[c] =
6124                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
6125                             == NULL)
6126                                 err(1, "spawn_custom color unfocus");
6127                 } else if (!strcasecmp(ap, "$region_index")) {
6128                         if (asprintf(&real_args[c], "%d",
6129                             get_region_index(r) + 1) < 1)
6130                                 err(1, "spawn_custom region index");
6131                 } else if (!strcasecmp(ap, "$workspace_index")) {
6132                         if (asprintf(&real_args[c], "%d", r->ws->idx + 1) < 1)
6133                                 err(1, "spawn_custom workspace index");
6134                 } else if (!strcasecmp(ap, "$dmenu_bottom")) {
6135                         if (!bar_at_bottom)
6136                                 continue;
6137                         if ((real_args[c] = strdup("-b")) == NULL)
6138                                 err(1, "spawn_custom workspace index");
6139                 } else {
6140                         /* no match --> copy as is */
6141                         if ((real_args[c] = strdup(ap)) == NULL)
6142                                 err(1, "spawn_custom strdup(ap)");
6143                 }
6144                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
6145                     real_args[c]);
6146                 ++c;
6147         }
6148
6149 #ifdef SWM_DEBUG
6150         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
6151         for (i = 0; i < c; ++i)
6152                 DPRINTF("\"%s\" ", real_args[i]);
6153         DPRINTF("\n");
6154 #endif
6155         *ret_args = real_args;
6156         return (c);
6157 }
6158
6159 void
6160 spawn_custom(struct swm_region *r, union arg *args, const char *spawn_name)
6161 {
6162         union arg               a;
6163         char                    **real_args;
6164         int                     spawn_argc, i;
6165
6166         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
6167                 return;
6168         a.argv = real_args;
6169         if (fork() == 0)
6170                 spawn(r->ws->idx, &a, 1);
6171
6172         for (i = 0; i < spawn_argc; i++)
6173                 free(real_args[i]);
6174         free(real_args);
6175 }
6176
6177 void
6178 spawn_select(struct swm_region *r, union arg *args, const char *spawn_name,
6179     int *pid)
6180 {
6181         union arg               a;
6182         char                    **real_args;
6183         int                     i, spawn_argc;
6184
6185         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
6186                 return;
6187         a.argv = real_args;
6188
6189         if (pipe(select_list_pipe) == -1)
6190                 err(1, "pipe error");
6191         if (pipe(select_resp_pipe) == -1)
6192                 err(1, "pipe error");
6193
6194         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
6195                 err(1, "could not disable SIGPIPE");
6196         switch (*pid = fork()) {
6197         case -1:
6198                 err(1, "cannot fork");
6199                 break;
6200         case 0: /* child */
6201                 if (dup2(select_list_pipe[0], STDIN_FILENO) == -1)
6202                         err(1, "dup2");
6203                 if (dup2(select_resp_pipe[1], STDOUT_FILENO) == -1)
6204                         err(1, "dup2");
6205                 close(select_list_pipe[1]);
6206                 close(select_resp_pipe[0]);
6207                 spawn(r->ws->idx, &a, 0);
6208                 break;
6209         default: /* parent */
6210                 close(select_list_pipe[0]);
6211                 close(select_resp_pipe[1]);
6212                 break;
6213         }
6214
6215         for (i = 0; i < spawn_argc; i++)
6216                 free(real_args[i]);
6217         free(real_args);
6218 }
6219
6220 void
6221 spawn_insert(const char *name, const char *args, int flags)
6222 {
6223         char                    *arg, *cp, *ptr;
6224         struct spawn_prog       *sp;
6225
6226         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
6227
6228         if ((sp = calloc(1, sizeof *sp)) == NULL)
6229                 err(1, "spawn_insert: calloc");
6230         if ((sp->name = strdup(name)) == NULL)
6231                 err(1, "spawn_insert: strdup");
6232
6233         /* convert the arguments to an argument list */
6234         if ((ptr = cp = strdup(args)) == NULL)
6235                 err(1, "spawn_insert: strdup");
6236         while ((arg = strsep(&ptr, " \t")) != NULL) {
6237                 /* empty field; skip it */
6238                 if (*arg == '\0')
6239                         continue;
6240
6241                 sp->argc++;
6242                 if ((sp->argv = realloc(sp->argv, sp->argc *
6243                     sizeof *sp->argv)) == NULL)
6244                         err(1, "spawn_insert: realloc");
6245                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
6246                         err(1, "spawn_insert: strdup");
6247         }
6248         free(cp);
6249
6250         sp->flags = flags;
6251
6252         TAILQ_INSERT_TAIL(&spawns, sp, entry);
6253         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
6254 }
6255
6256 void
6257 spawn_remove(struct spawn_prog *sp)
6258 {
6259         int                     i;
6260
6261         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
6262
6263         TAILQ_REMOVE(&spawns, sp, entry);
6264         for (i = 0; i < sp->argc; i++)
6265                 free(sp->argv[i]);
6266         free(sp->argv);
6267         free(sp->name);
6268         free(sp);
6269
6270         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
6271 }
6272
6273 struct spawn_prog*
6274 spawn_find(const char *name)
6275 {
6276         struct spawn_prog       *sp;
6277
6278         TAILQ_FOREACH(sp, &spawns, entry)
6279                 if (!strcasecmp(sp->name, name))
6280                         return sp;
6281
6282         return NULL;
6283 }
6284
6285 void
6286 setspawn(const char *name, const char *args, int flags)
6287 {
6288         struct spawn_prog       *sp;
6289
6290         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
6291
6292         if (name == NULL)
6293                 return;
6294
6295         /* Remove any old spawn under the same name. */
6296         if ((sp = spawn_find(name)) != NULL)
6297                 spawn_remove(sp);
6298
6299         if (*args != '\0')
6300                 spawn_insert(name, args, flags);
6301         else
6302                 warnx("error: setspawn: cannot find program: %s", name);
6303
6304         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
6305 }
6306
6307 int
6308 setconfspawn(char *selector, char *value, int flags)
6309 {
6310         char            *args;
6311
6312         args = expand_tilde(value);
6313
6314         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, args);
6315
6316         setspawn(selector, args, flags);
6317         free(args);
6318
6319         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done.\n");
6320         return (0);
6321 }
6322
6323 void
6324 validate_spawns(void)
6325 {
6326         struct spawn_prog       *sp;
6327         char                    which[PATH_MAX];
6328         size_t                  i;
6329
6330         struct key              *kp;
6331
6332         RB_FOREACH(kp, key_tree, &keys) {
6333                 if (kp->funcid != KF_SPAWN_CUSTOM)
6334                         continue;
6335
6336                 /* find program */
6337                 sp = spawn_find(kp->spawn_name);
6338                 if (sp == NULL || sp->flags & SWM_SPAWN_OPTIONAL)
6339                         continue;
6340
6341                 /* verify we have the goods */
6342                 snprintf(which, sizeof which, "which %s", sp->argv[0]);
6343                 DNPRINTF(SWM_D_CONF, "validate_spawns: which %s\n",
6344                     sp->argv[0]);
6345                 for (i = strlen("which "); i < strlen(which); i++)
6346                         if (which[i] == ' ') {
6347                                 which[i] = '\0';
6348                                 break;
6349                         }
6350                 if (system(which) != 0)
6351                         add_startup_exception("could not find %s",
6352                             &which[strlen("which ")]);
6353         }
6354 }
6355
6356 void
6357 setup_spawn(void)
6358 {
6359         setconfspawn("lock",            "xlock",                0);
6360
6361         setconfspawn("term",            "xterm",                0);
6362         setconfspawn("spawn_term",      "xterm",                0);
6363
6364         setconfspawn("menu",            "dmenu_run"
6365                                         " $dmenu_bottom"
6366                                         " -fn $bar_font"
6367                                         " -nb $bar_color"
6368                                         " -nf $bar_font_color"
6369                                         " -sb $bar_border"
6370                                         " -sf $bar_color",      0);
6371
6372         setconfspawn("search",          "dmenu"
6373                                         " $dmenu_bottom"
6374                                         " -i"
6375                                         " -fn $bar_font"
6376                                         " -nb $bar_color"
6377                                         " -nf $bar_font_color"
6378                                         " -sb $bar_border"
6379                                         " -sf $bar_color",      0);
6380
6381         setconfspawn("name_workspace",  "dmenu"
6382                                         " $dmenu_bottom"
6383                                         " -p Workspace"
6384                                         " -fn $bar_font"
6385                                         " -nb $bar_color"
6386                                         " -nf $bar_font_color"
6387                                         " -sb $bar_border"
6388                                         " -sf $bar_color",      0);
6389
6390          /* These are not verified for existence, even with a binding set. */
6391         setconfspawn("screenshot_all",  "screenshot.sh full",   SWM_SPAWN_OPTIONAL);
6392         setconfspawn("screenshot_wind", "screenshot.sh window", SWM_SPAWN_OPTIONAL);
6393         setconfspawn("initscr",         "initscreen.sh",        SWM_SPAWN_OPTIONAL);
6394 }
6395
6396 /* key bindings */
6397 #define SWM_MODNAME_SIZE        32
6398 #define SWM_KEY_WS              "\n+ \t"
6399 int
6400 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
6401 {
6402         char                    *cp, *name;
6403         KeySym                  uks;
6404         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
6405         if (mod == NULL || ks == NULL) {
6406                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
6407                 return (1);
6408         }
6409         if (keystr == NULL || strlen(keystr) == 0) {
6410                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
6411                 return (1);
6412         }
6413         cp = keystr;
6414         *ks = XCB_NO_SYMBOL;
6415         *mod = 0;
6416         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
6417                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
6418                 if (cp)
6419                         cp += (long)strspn(cp, SWM_KEY_WS);
6420                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
6421                         *mod |= currmod;
6422                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
6423                         *mod |= XCB_MOD_MASK_1;
6424                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
6425                         *mod += XCB_MOD_MASK_2;
6426                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
6427                         *mod |= XCB_MOD_MASK_3;
6428                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
6429                         *mod |= XCB_MOD_MASK_4;
6430                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
6431                         *mod |= XCB_MOD_MASK_SHIFT;
6432                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
6433                         *mod |= XCB_MOD_MASK_CONTROL;
6434                 else {
6435                         *ks = XStringToKeysym(name);
6436                         XConvertCase(*ks, ks, &uks);
6437                         if (ks == XCB_NO_SYMBOL) {
6438                                 DNPRINTF(SWM_D_KEY,
6439                                     "parsekeys: invalid key %s\n",
6440                                     name);
6441                                 return (1);
6442                         }
6443                 }
6444         }
6445         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
6446         return (0);
6447 }
6448
6449 char *
6450 strdupsafe(const char *str)
6451 {
6452         if (str == NULL)
6453                 return (NULL);
6454         else
6455                 return (strdup(str));
6456 }
6457
6458 void
6459 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid,
6460     const char *spawn_name)
6461 {
6462         struct key              *kp;
6463
6464         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
6465             keyfuncs[kfid].name, spawn_name);
6466
6467         if ((kp = malloc(sizeof *kp)) == NULL)
6468                 err(1, "key_insert: malloc");
6469
6470         kp->mod = mod;
6471         kp->keysym = ks;
6472         kp->funcid = kfid;
6473         kp->spawn_name = strdupsafe(spawn_name);
6474         RB_INSERT(key_tree, &keys, kp);
6475
6476         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
6477 }
6478
6479 struct key *
6480 key_lookup(unsigned int mod, KeySym ks)
6481 {
6482         struct key              kp;
6483
6484         kp.keysym = ks;
6485         kp.mod = mod;
6486
6487         return (RB_FIND(key_tree, &keys, &kp));
6488 }
6489
6490 void
6491 key_remove(struct key *kp)
6492 {
6493         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
6494
6495         RB_REMOVE(key_tree, &keys, kp);
6496         free(kp->spawn_name);
6497         free(kp);
6498
6499         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
6500 }
6501
6502 void
6503 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
6504     const char *spawn_name)
6505 {
6506         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
6507             spawn_name);
6508
6509         key_remove(kp);
6510         key_insert(mod, ks, kfid, spawn_name);
6511
6512         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
6513 }
6514
6515 void
6516 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
6517     const char *spawn_name)
6518 {
6519         struct key              *kp;
6520
6521         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
6522             keyfuncs[kfid].name, spawn_name);
6523
6524         if ((kp = key_lookup(mod, ks)) != NULL) {
6525                 if (kfid == KF_INVALID)
6526                         key_remove(kp);
6527                 else
6528                         key_replace(kp, mod, ks, kfid, spawn_name);
6529                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6530                 return;
6531         }
6532         if (kfid == KF_INVALID) {
6533                 warnx("bind: Key combination already unbound.");
6534                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6535                 return;
6536         }
6537
6538         key_insert(mod, ks, kfid, spawn_name);
6539         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6540 }
6541
6542 int
6543 setconfbinding(char *selector, char *value, int flags)
6544 {
6545         enum keyfuncid          kfid;
6546         unsigned int            mod;
6547         KeySym                  ks;
6548         struct spawn_prog       *sp;
6549
6550         /* suppress unused warning since var is needed */
6551         (void)flags;
6552
6553         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
6554         if (selector == NULL) {
6555                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
6556                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6557                         kfid = KF_INVALID;
6558                         setkeybinding(mod, ks, kfid, NULL);
6559                         return (0);
6560                 } else
6561                         return (1);
6562         }
6563         /* search by key function name */
6564         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
6565                 if (strncasecmp(selector, keyfuncs[kfid].name,
6566                     SWM_FUNCNAME_LEN) == 0) {
6567                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match "
6568                             "keyfunc\n", selector);
6569                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6570                                 setkeybinding(mod, ks, kfid, NULL);
6571                                 return (0);
6572                         } else
6573                                 return (1);
6574                 }
6575         }
6576         /* search by custom spawn name */
6577         if ((sp = spawn_find(selector)) != NULL) {
6578                 DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match "
6579                     "spawn\n", selector);
6580                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6581                         setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
6582                             sp->name);
6583                         return (0);
6584                 } else
6585                         return (1);
6586         }
6587         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
6588         return (1);
6589 }
6590
6591 void
6592 setup_keys(void)
6593 {
6594 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
6595         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
6596         setkeybinding(MODKEY_SHIFT,     XK_b,           KF_BAR_TOGGLE_WS,NULL);
6597         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
6598         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
6599         setkeybinding(MODKEY_SHIFT,     XK_backslash,   KF_FLIP_LAYOUT, NULL);
6600         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
6601         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
6602         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
6603         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
6604         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
6605         setkeybinding(MODKEY_SHIFT,     XK_Tab,         KF_FOCUS_PREV,  NULL);
6606         setkeybinding(MODKEY,           XK_u,           KF_FOCUS_URGENT,NULL);
6607         setkeybinding(MODKEY_SHIFT,     XK_equal,       KF_HEIGHT_GROW,NULL);
6608         setkeybinding(MODKEY_SHIFT,     XK_minus,       KF_HEIGHT_SHRINK,NULL);
6609         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
6610         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
6611         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
6612         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
6613         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
6614         setkeybinding(MODKEY_SHIFT,     XK_bracketright,KF_MOVE_DOWN,NULL);
6615         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
6616         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
6617         setkeybinding(MODKEY_SHIFT,     XK_bracketleft, KF_MOVE_UP,     NULL);
6618         setkeybinding(MODKEY_SHIFT,     XK_KP_End,      KF_MVRG_1,      NULL);
6619         setkeybinding(MODKEY_SHIFT,     XK_KP_Down,     KF_MVRG_2,      NULL);
6620         setkeybinding(MODKEY_SHIFT,     XK_KP_Next,     KF_MVRG_3,      NULL);
6621         setkeybinding(MODKEY_SHIFT,     XK_KP_Left,     KF_MVRG_4,      NULL);
6622         setkeybinding(MODKEY_SHIFT,     XK_KP_Begin,    KF_MVRG_5,      NULL);
6623         setkeybinding(MODKEY_SHIFT,     XK_KP_Right,    KF_MVRG_6,      NULL);
6624         setkeybinding(MODKEY_SHIFT,     XK_KP_Home,     KF_MVRG_7,      NULL);
6625         setkeybinding(MODKEY_SHIFT,     XK_KP_Up,       KF_MVRG_8,      NULL);
6626         setkeybinding(MODKEY_SHIFT,     XK_KP_Prior,    KF_MVRG_9,      NULL);
6627         setkeybinding(MODKEY_SHIFT,     XK_1,           KF_MVWS_1,      NULL);
6628         setkeybinding(MODKEY_SHIFT,     XK_2,           KF_MVWS_2,      NULL);
6629         setkeybinding(MODKEY_SHIFT,     XK_3,           KF_MVWS_3,      NULL);
6630         setkeybinding(MODKEY_SHIFT,     XK_4,           KF_MVWS_4,      NULL);
6631         setkeybinding(MODKEY_SHIFT,     XK_5,           KF_MVWS_5,      NULL);
6632         setkeybinding(MODKEY_SHIFT,     XK_6,           KF_MVWS_6,      NULL);
6633         setkeybinding(MODKEY_SHIFT,     XK_7,           KF_MVWS_7,      NULL);
6634         setkeybinding(MODKEY_SHIFT,     XK_8,           KF_MVWS_8,      NULL);
6635         setkeybinding(MODKEY_SHIFT,     XK_9,           KF_MVWS_9,      NULL);
6636         setkeybinding(MODKEY_SHIFT,     XK_0,           KF_MVWS_10,     NULL);
6637         setkeybinding(MODKEY_SHIFT,     XK_F1,          KF_MVWS_11,     NULL);
6638         setkeybinding(MODKEY_SHIFT,     XK_F2,          KF_MVWS_12,     NULL);
6639         setkeybinding(MODKEY_SHIFT,     XK_F3,          KF_MVWS_13,     NULL);
6640         setkeybinding(MODKEY_SHIFT,     XK_F4,          KF_MVWS_14,     NULL);
6641         setkeybinding(MODKEY_SHIFT,     XK_F5,          KF_MVWS_15,     NULL);
6642         setkeybinding(MODKEY_SHIFT,     XK_F6,          KF_MVWS_16,     NULL);
6643         setkeybinding(MODKEY_SHIFT,     XK_F7,          KF_MVWS_17,     NULL);
6644         setkeybinding(MODKEY_SHIFT,     XK_F8,          KF_MVWS_18,     NULL);
6645         setkeybinding(MODKEY_SHIFT,     XK_F9,          KF_MVWS_19,     NULL);
6646         setkeybinding(MODKEY_SHIFT,     XK_F10,         KF_MVWS_20,     NULL);
6647         setkeybinding(MODKEY_SHIFT,     XK_F11,         KF_MVWS_21,     NULL);
6648         setkeybinding(MODKEY_SHIFT,     XK_F12,         KF_MVWS_22,     NULL);
6649         setkeybinding(MODKEY_SHIFT,     XK_slash,       KF_NAME_WORKSPACE,NULL);
6650         setkeybinding(MODKEY_SHIFT,     XK_q,           KF_QUIT,        NULL);
6651         setkeybinding(MODKEY_SHIFT,     XK_r,           KF_RAISE_TOGGLE,NULL);
6652         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
6653         setkeybinding(MODKEY,           XK_KP_End,      KF_RG_1,        NULL);
6654         setkeybinding(MODKEY,           XK_KP_Down,     KF_RG_2,        NULL);
6655         setkeybinding(MODKEY,           XK_KP_Next,     KF_RG_3,        NULL);
6656         setkeybinding(MODKEY,           XK_KP_Left,     KF_RG_4,        NULL);
6657         setkeybinding(MODKEY,           XK_KP_Begin,    KF_RG_5,        NULL);
6658         setkeybinding(MODKEY,           XK_KP_Right,    KF_RG_6,        NULL);
6659         setkeybinding(MODKEY,           XK_KP_Home,     KF_RG_7,        NULL);
6660         setkeybinding(MODKEY,           XK_KP_Up,       KF_RG_8,        NULL);
6661         setkeybinding(MODKEY,           XK_KP_Prior,    KF_RG_9,        NULL);
6662         setkeybinding(MODKEY_SHIFT,     XK_Right,       KF_RG_NEXT,     NULL);
6663         setkeybinding(MODKEY_SHIFT,     XK_Left,        KF_RG_PREV,     NULL);
6664         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
6665         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
6666         setkeybinding(MODKEY_SHIFT,     XK_i,           KF_SPAWN_CUSTOM,"initscr");
6667         setkeybinding(MODKEY_SHIFT,     XK_Delete,      KF_SPAWN_CUSTOM,"lock");
6668         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
6669         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
6670         setkeybinding(MODKEY_SHIFT,     XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
6671         setkeybinding(MODKEY_SHIFT,     XK_Return,      KF_SPAWN_CUSTOM,"term");
6672         setkeybinding(MODKEY_SHIFT,     XK_comma,       KF_STACK_INC,   NULL);
6673         setkeybinding(MODKEY_SHIFT,     XK_period,      KF_STACK_DEC,   NULL);
6674         setkeybinding(MODKEY_SHIFT,     XK_space,       KF_STACK_RESET, NULL);
6675         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
6676         setkeybinding(MODKEY_SHIFT,     XK_j,           KF_SWAP_NEXT,   NULL);
6677         setkeybinding(MODKEY_SHIFT,     XK_k,           KF_SWAP_PREV,   NULL);
6678         setkeybinding(MODKEY_SHIFT,     XK_w,           KF_UNICONIFY,   NULL);
6679         setkeybinding(MODKEY_SHIFT,     XK_v,           KF_VERSION,     NULL);
6680         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
6681         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
6682         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
6683         setkeybinding(MODKEY_SHIFT,     XK_x,           KF_WIND_KILL,   NULL);
6684         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
6685         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
6686         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
6687         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
6688         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
6689         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
6690         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
6691         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
6692         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
6693         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
6694         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
6695         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
6696         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
6697         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
6698         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
6699         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
6700         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
6701         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
6702         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
6703         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
6704         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
6705         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
6706         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
6707         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
6708         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
6709         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
6710         setkeybinding(MODKEY_SHIFT,     XK_Up,          KF_WS_NEXT_MOVE,NULL);
6711         setkeybinding(MODKEY_SHIFT,     XK_Down,        KF_WS_PREV_MOVE,NULL);
6712         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
6713 #ifdef SWM_DEBUG
6714         setkeybinding(MODKEY_SHIFT,     XK_d,           KF_DUMPWINS,    NULL);
6715 #endif
6716 #undef MODKEY_SHIFT
6717 }
6718
6719 void
6720 clear_keys(void)
6721 {
6722         struct key              *kp;
6723
6724         while (RB_EMPTY(&keys) == 0) {
6725                 kp = RB_ROOT(&keys);
6726                 key_remove(kp);
6727         }
6728 }
6729
6730 int
6731 setkeymapping(char *selector, char *value, int flags)
6732 {
6733         char                    *keymapping_file;
6734
6735         /* suppress unused warnings since vars are needed */
6736         (void)selector;
6737         (void)flags;
6738
6739         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
6740
6741         keymapping_file = expand_tilde(value);
6742
6743         clear_keys();
6744         /* load new key bindings; if it fails, revert to default bindings */
6745         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
6746                 clear_keys();
6747                 setup_keys();
6748         }
6749
6750         free(keymapping_file);
6751
6752         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
6753         return (0);
6754 }
6755
6756 void
6757 updatenumlockmask(void)
6758 {
6759         unsigned int                            i, j;
6760         xcb_get_modifier_mapping_reply_t        *modmap_r;
6761         xcb_keycode_t                           *modmap, kc, *keycode;
6762
6763         numlockmask = 0;
6764
6765         modmap_r = xcb_get_modifier_mapping_reply(conn,
6766             xcb_get_modifier_mapping(conn),
6767             NULL);
6768         if (modmap_r) {
6769                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
6770                 for (i = 0; i < 8; i++) {
6771                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
6772                                 kc = modmap[i * modmap_r->keycodes_per_modifier
6773                                     + j];
6774                                 keycode = xcb_key_symbols_get_keycode(syms,
6775                                                 XK_Num_Lock);
6776                                 if (kc == *keycode)
6777                                         numlockmask = (1 << i);
6778                                 free(keycode);
6779                         }
6780                 }
6781                 free(modmap_r);
6782         }
6783         DNPRINTF(SWM_D_MISC, "updatenumlockmask: %d\n", numlockmask);
6784 }
6785
6786 void
6787 grabkeys(void)
6788 {
6789         struct key              *kp;
6790         int                     num_screens, k, j;
6791         unsigned int            modifiers[4];
6792         xcb_keycode_t           *code;
6793
6794         DNPRINTF(SWM_D_MISC, "grabkeys\n");
6795         updatenumlockmask();
6796
6797         modifiers[0] = 0;
6798         modifiers[1] = numlockmask;
6799         modifiers[2] = XCB_MOD_MASK_LOCK;
6800         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6801
6802         num_screens = get_screen_count();
6803         for (k = 0; k < num_screens; k++) {
6804                 if (TAILQ_EMPTY(&screens[k].rl))
6805                         continue;
6806                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
6807                         XCB_MOD_MASK_ANY);
6808                 RB_FOREACH(kp, key_tree, &keys) {
6809                         /* Skip unused ws binds. */
6810                         if ((int)kp->funcid > KF_WS_1 + workspace_limit - 1 &&
6811                             kp->funcid <= KF_WS_22)
6812                                 continue;
6813
6814                         /* Skip unused mvws binds. */
6815                         if ((int)kp->funcid > KF_MVWS_1 + workspace_limit - 1 &&
6816                             kp->funcid <= KF_MVWS_22)
6817                                 continue;
6818
6819                         if ((code = xcb_key_symbols_get_keycode(syms,
6820                                         kp->keysym))) {
6821                                 for (j = 0; j < LENGTH(modifiers); j++)
6822                                         xcb_grab_key(conn, 1,
6823                                             screens[k].root,
6824                                             kp->mod | modifiers[j],
6825                                             *code, XCB_GRAB_MODE_SYNC,
6826                                             XCB_GRAB_MODE_SYNC);
6827                                 free(code);
6828                         }
6829                 }
6830         }
6831 }
6832
6833 void
6834 grabbuttons(struct ws_win *win)
6835 {
6836         unsigned int    modifiers[4];
6837         int             i, j;
6838
6839         DNPRINTF(SWM_D_MOUSE, "grabbuttons: win 0x%x\n", win->id);
6840         updatenumlockmask();
6841
6842         modifiers[0] = 0;
6843         modifiers[1] = numlockmask;
6844         modifiers[2] = XCB_MOD_MASK_LOCK;
6845         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6846
6847         for (i = 0; i < LENGTH(buttons); i++)
6848                 if (buttons[i].action == client_click)
6849                         for (j = 0; j < LENGTH(modifiers); ++j)
6850                                 xcb_grab_button(conn, 0, win->id, BUTTONMASK,
6851                                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC,
6852                                     XCB_WINDOW_NONE, XCB_CURSOR_NONE,
6853                                     buttons[i].button, buttons[i].mask |
6854                                     modifiers[j]);
6855 }
6856
6857 const char *quirkname[] = {
6858         "NONE",         /* config string for "no value" */
6859         "FLOAT",
6860         "TRANSSZ",
6861         "ANYWHERE",
6862         "XTERM_FONTADJ",
6863         "FULLSCREEN",
6864         "FOCUSPREV",
6865         "NOFOCUSONMAP",
6866         "FOCUSONMAP_SINGLE",
6867 };
6868
6869 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
6870 #define SWM_Q_WS                "\n|+ \t"
6871 int
6872 parsequirks(char *qstr, unsigned long *quirk)
6873 {
6874         char                    *cp, *name;
6875         int                     i;
6876
6877         if (quirk == NULL)
6878                 return (1);
6879
6880         cp = qstr;
6881         *quirk = 0;
6882         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
6883                 if (cp)
6884                         cp += (long)strspn(cp, SWM_Q_WS);
6885                 for (i = 0; i < LENGTH(quirkname); i++) {
6886                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
6887                                 DNPRINTF(SWM_D_QUIRK,
6888                                     "parsequirks: %s\n", name);
6889                                 if (i == 0) {
6890                                         *quirk = 0;
6891                                         return (0);
6892                                 }
6893                                 *quirk |= 1 << (i-1);
6894                                 break;
6895                         }
6896                 }
6897                 if (i >= LENGTH(quirkname)) {
6898                         DNPRINTF(SWM_D_QUIRK,
6899                             "parsequirks: invalid quirk [%s]\n", name);
6900                         return (1);
6901                 }
6902         }
6903         return (0);
6904 }
6905
6906 void
6907 quirk_insert(const char *class, const char *name, unsigned long quirk)
6908 {
6909         struct quirk            *qp;
6910
6911         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
6912             quirk);
6913
6914         if ((qp = malloc(sizeof *qp)) == NULL)
6915                 err(1, "quirk_insert: malloc");
6916         if ((qp->class = strdup(class)) == NULL)
6917                 err(1, "quirk_insert: strdup");
6918         if ((qp->name = strdup(name)) == NULL)
6919                 err(1, "quirk_insert: strdup");
6920
6921         qp->quirk = quirk;
6922         TAILQ_INSERT_TAIL(&quirks, qp, entry);
6923
6924         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
6925 }
6926
6927 void
6928 quirk_remove(struct quirk *qp)
6929 {
6930         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
6931             qp->name, qp->quirk);
6932
6933         TAILQ_REMOVE(&quirks, qp, entry);
6934         free(qp->class);
6935         free(qp->name);
6936         free(qp);
6937
6938         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
6939 }
6940
6941 void
6942 quirk_replace(struct quirk *qp, const char *class, const char *name,
6943     unsigned long quirk)
6944 {
6945         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
6946             qp->name, qp->quirk);
6947
6948         quirk_remove(qp);
6949         quirk_insert(class, name, quirk);
6950
6951         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
6952 }
6953
6954 void
6955 setquirk(const char *class, const char *name, unsigned long quirk)
6956 {
6957         struct quirk            *qp;
6958
6959         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
6960            quirk);
6961
6962         /* Remove/replace existing quirk. */
6963         TAILQ_FOREACH(qp, &quirks, entry) {
6964                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
6965                         if (!quirk)
6966                                 quirk_remove(qp);
6967                         else
6968                                 quirk_replace(qp, class, name, quirk);
6969                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6970                         return;
6971                 }
6972         }
6973
6974         /* Only insert if quirk is not NONE. */
6975         if (quirk)
6976                 quirk_insert(class, name, quirk);
6977
6978         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6979 }
6980
6981 int
6982 setconfquirk(char *selector, char *value, int flags)
6983 {
6984         char                    *cp, *class, *name;
6985         int                     retval;
6986         unsigned long           qrks;
6987
6988         /* suppress unused warning since var is needed */
6989         (void)flags;
6990
6991         if (selector == NULL)
6992                 return (0);
6993         if ((cp = strchr(selector, ':')) == NULL)
6994                 return (0);
6995         *cp = '\0';
6996         class = selector;
6997         name = cp + 1;
6998         if ((retval = parsequirks(value, &qrks)) == 0)
6999                 setquirk(class, name, qrks);
7000         return (retval);
7001 }
7002
7003 void
7004 setup_quirks(void)
7005 {
7006         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
7007         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
7008         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
7009         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
7010         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7011         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
7012         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7013         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7014         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7015         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7016         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
7017         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
7018         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
7019 }
7020
7021 /* conf file stuff */
7022 #define SWM_CONF_FILE           "spectrwm.conf"
7023 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
7024
7025 enum {
7026         SWM_S_BAR_ACTION,
7027         SWM_S_BAR_AT_BOTTOM,
7028         SWM_S_BAR_BORDER_WIDTH,
7029         SWM_S_BAR_DELAY,
7030         SWM_S_BAR_ENABLED,
7031         SWM_S_BAR_ENABLED_WS,
7032         SWM_S_BAR_FONT,
7033         SWM_S_BAR_FORMAT,
7034         SWM_S_BAR_JUSTIFY,
7035         SWM_S_BORDER_WIDTH,
7036         SWM_S_BOUNDARY_WIDTH,
7037         SWM_S_CLOCK_ENABLED,
7038         SWM_S_CLOCK_FORMAT,
7039         SWM_S_CYCLE_EMPTY,
7040         SWM_S_CYCLE_VISIBLE,
7041         SWM_S_DIALOG_RATIO,
7042         SWM_S_DISABLE_BORDER,
7043         SWM_S_FOCUS_CLOSE,
7044         SWM_S_FOCUS_CLOSE_WRAP,
7045         SWM_S_FOCUS_DEFAULT,
7046         SWM_S_FOCUS_MODE,
7047         SWM_S_REGION_PADDING,
7048         SWM_S_SPAWN_ORDER,
7049         SWM_S_SPAWN_TERM,
7050         SWM_S_SS_APP,
7051         SWM_S_SS_ENABLED,
7052         SWM_S_STACK_ENABLED,
7053         SWM_S_TERM_WIDTH,
7054         SWM_S_TILE_GAP,
7055         SWM_S_TITLE_CLASS_ENABLED,
7056         SWM_S_TITLE_NAME_ENABLED,
7057         SWM_S_URGENT_ENABLED,
7058         SWM_S_VERBOSE_LAYOUT,
7059         SWM_S_WINDOW_NAME_ENABLED,
7060         SWM_S_WORKSPACE_LIMIT
7061 };
7062
7063 int
7064 setconfvalue(char *selector, char *value, int flags)
7065 {
7066         struct workspace        *ws;
7067         int                     i, ws_id, num_screens;
7068         char                    *b;
7069
7070         /* suppress unused warning since var is needed */
7071         (void)selector;
7072
7073         switch (flags) {
7074         case SWM_S_BAR_ACTION:
7075                 free(bar_argv[0]);
7076                 if ((bar_argv[0] = expand_tilde(value)) == NULL)
7077                         err(1, "setconfvalue: bar_action");
7078                 break;
7079         case SWM_S_BAR_AT_BOTTOM:
7080                 bar_at_bottom = atoi(value);
7081                 break;
7082         case SWM_S_BAR_BORDER_WIDTH:
7083                 bar_border_width = atoi(value);
7084                 if (bar_border_width < 0)
7085                         bar_border_width = 0;
7086                 break;
7087         case SWM_S_BAR_DELAY:
7088                 /* No longer needed; leave to not break old conf files. */
7089                 break;
7090         case SWM_S_BAR_ENABLED:
7091                 bar_enabled = atoi(value);
7092                 break;
7093         case SWM_S_BAR_ENABLED_WS:
7094                 ws_id = atoi(selector) - 1;
7095                 if (ws_id < 0 || ws_id >= workspace_limit)
7096                         errx(1, "setconfvalue: bar_enabled_ws: invalid "
7097                             "workspace %d.", ws_id + 1);
7098
7099                 num_screens = get_screen_count();
7100                 for (i = 0; i < num_screens; i++) {
7101                         ws = (struct workspace *)&screens[i].ws;
7102                         ws[ws_id].bar_enabled = atoi(value);
7103                 }
7104                 break;
7105         case SWM_S_BAR_FONT:
7106                 b = bar_fonts;
7107                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
7108                         err(1, "setconfvalue: asprintf: failed to allocate "
7109                                 "memory for bar_fonts.");
7110                 free(b);
7111
7112                 /* If already in xft mode, then we are done. */
7113                 if (!bar_font_legacy)
7114                         break;
7115
7116                 /* If there are any non-XLFD entries, switch to Xft mode. */
7117                 while ((b = strsep(&value, ",")) != NULL) {
7118                         if (*b == '\0')
7119                                 continue;
7120                         if (!isxlfd(b)) {
7121                                 bar_font_legacy = 0;
7122                                 break;
7123                         }
7124                 }
7125                 break;
7126         case SWM_S_BAR_FORMAT:
7127                 free(bar_format);
7128                 if ((bar_format = strdup(value)) == NULL)
7129                         err(1, "setconfvalue: bar_format");
7130                 break;
7131         case SWM_S_BAR_JUSTIFY:
7132                 if (!strcmp(value, "left"))
7133                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
7134                 else if (!strcmp(value, "center"))
7135                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
7136                 else if (!strcmp(value, "right"))
7137                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
7138                 else
7139                         errx(1, "invalid bar_justify");
7140                 break;
7141         case SWM_S_BORDER_WIDTH:
7142                 border_width = atoi(value);
7143                 if (border_width < 0)
7144                         border_width = 0;
7145                 break;
7146         case SWM_S_BOUNDARY_WIDTH:
7147                 boundary_width = atoi(value);
7148                 if (boundary_width < 0)
7149                         boundary_width = 0;
7150                 break;
7151         case SWM_S_CLOCK_ENABLED:
7152                 clock_enabled = atoi(value);
7153                 break;
7154         case SWM_S_CLOCK_FORMAT:
7155 #ifndef SWM_DENY_CLOCK_FORMAT
7156                 free(clock_format);
7157                 if ((clock_format = strdup(value)) == NULL)
7158                         err(1, "setconfvalue: clock_format");
7159 #endif
7160                 break;
7161         case SWM_S_CYCLE_EMPTY:
7162                 cycle_empty = atoi(value);
7163                 break;
7164         case SWM_S_CYCLE_VISIBLE:
7165                 cycle_visible = atoi(value);
7166                 break;
7167         case SWM_S_DIALOG_RATIO:
7168                 dialog_ratio = atof(value);
7169                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
7170                         dialog_ratio = .6;
7171                 break;
7172         case SWM_S_DISABLE_BORDER:
7173                 disable_border = atoi(value);
7174                 break;
7175         case SWM_S_FOCUS_CLOSE:
7176                 if (!strcmp(value, "first"))
7177                         focus_close = SWM_STACK_BOTTOM;
7178                 else if (!strcmp(value, "last"))
7179                         focus_close = SWM_STACK_TOP;
7180                 else if (!strcmp(value, "next"))
7181                         focus_close = SWM_STACK_ABOVE;
7182                 else if (!strcmp(value, "previous"))
7183                         focus_close = SWM_STACK_BELOW;
7184                 else
7185                         errx(1, "focus_close");
7186                 break;
7187         case SWM_S_FOCUS_CLOSE_WRAP:
7188                 focus_close_wrap = atoi(value);
7189                 break;
7190         case SWM_S_FOCUS_DEFAULT:
7191                 if (!strcmp(value, "last"))
7192                         focus_default = SWM_STACK_TOP;
7193                 else if (!strcmp(value, "first"))
7194                         focus_default = SWM_STACK_BOTTOM;
7195                 else
7196                         errx(1, "focus_default");
7197                 break;
7198         case SWM_S_FOCUS_MODE:
7199                 if (!strcmp(value, "default"))
7200                         focus_mode = SWM_FOCUS_DEFAULT;
7201                 else if (!strcmp(value, "follow") ||
7202                     !strcmp(value, "follow_cursor"))
7203                         focus_mode = SWM_FOCUS_FOLLOW;
7204                 else if (!strcmp(value, "manual"))
7205                         focus_mode = SWM_FOCUS_MANUAL;
7206                 else
7207                         errx(1, "focus_mode");
7208                 break;
7209         case SWM_S_REGION_PADDING:
7210                 region_padding = atoi(value);
7211                 if (region_padding < 0)
7212                         region_padding = 0;
7213                 break;
7214         case SWM_S_SPAWN_ORDER:
7215                 if (!strcmp(value, "first"))
7216                         spawn_position = SWM_STACK_BOTTOM;
7217                 else if (!strcmp(value, "last"))
7218                         spawn_position = SWM_STACK_TOP;
7219                 else if (!strcmp(value, "next"))
7220                         spawn_position = SWM_STACK_ABOVE;
7221                 else if (!strcmp(value, "previous"))
7222                         spawn_position = SWM_STACK_BELOW;
7223                 else
7224                         errx(1, "spawn_position");
7225                 break;
7226         case SWM_S_SPAWN_TERM:
7227                 setconfspawn("term", value, 0);
7228                 setconfspawn("spawn_term", value, 0);
7229                 break;
7230         case SWM_S_SS_APP:
7231                 /* No longer needed; leave to not break old conf files. */
7232                 break;
7233         case SWM_S_SS_ENABLED:
7234                 /* No longer needed; leave to not break old conf files. */
7235                 break;
7236         case SWM_S_STACK_ENABLED:
7237                 stack_enabled = atoi(value);
7238                 break;
7239         case SWM_S_TERM_WIDTH:
7240                 term_width = atoi(value);
7241                 if (term_width < 0)
7242                         term_width = 0;
7243                 break;
7244         case SWM_S_TILE_GAP:
7245                 tile_gap = atoi(value);
7246                 break;
7247         case SWM_S_TITLE_CLASS_ENABLED:
7248                 title_class_enabled = atoi(value);
7249                 break;
7250         case SWM_S_TITLE_NAME_ENABLED:
7251                 title_name_enabled = atoi(value);
7252                 break;
7253         case SWM_S_URGENT_ENABLED:
7254                 urgent_enabled = atoi(value);
7255                 break;
7256         case SWM_S_VERBOSE_LAYOUT:
7257                 verbose_layout = atoi(value);
7258                 for (i = 0; layouts[i].l_stack != NULL; i++) {
7259                         if (verbose_layout)
7260                                 layouts[i].l_string = fancy_stacker;
7261                         else
7262                                 layouts[i].l_string = plain_stacker;
7263                 }
7264                 break;
7265         case SWM_S_WINDOW_NAME_ENABLED:
7266                 window_name_enabled = atoi(value);
7267                 break;
7268         case SWM_S_WORKSPACE_LIMIT:
7269                 workspace_limit = atoi(value);
7270                 if (workspace_limit > SWM_WS_MAX)
7271                         workspace_limit = SWM_WS_MAX;
7272                 else if (workspace_limit < 1)
7273                         workspace_limit = 1;
7274                 break;
7275         default:
7276                 return (1);
7277         }
7278         return (0);
7279 }
7280
7281 int
7282 setconfmodkey(char *selector, char *value, int flags)
7283 {
7284         /* suppress unused warnings since vars are needed */
7285         (void)selector;
7286         (void)flags;
7287
7288         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
7289                 update_modkey(XCB_MOD_MASK_1);
7290         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
7291                 update_modkey(XCB_MOD_MASK_2);
7292         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
7293                 update_modkey(XCB_MOD_MASK_3);
7294         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
7295                 update_modkey(XCB_MOD_MASK_4);
7296         else
7297                 return (1);
7298         return (0);
7299 }
7300
7301 int
7302 setconfcolor(char *selector, char *value, int flags)
7303 {
7304         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
7305         return (0);
7306 }
7307
7308 int
7309 setconfregion(char *selector, char *value, int flags)
7310 {
7311         /* suppress unused warnings since vars are needed */
7312         (void)selector;
7313         (void)flags;
7314
7315         custom_region(value);
7316         return (0);
7317 }
7318
7319 int
7320 setautorun(char *selector, char *value, int flags)
7321 {
7322         int                     ws_id;
7323         char                    s[1024];
7324         char                    *ap, *sp;
7325         union arg               a;
7326         int                     argc = 0;
7327         pid_t                   pid;
7328         struct pid_e            *p;
7329
7330         /* suppress unused warnings since vars are needed */
7331         (void)selector;
7332         (void)flags;
7333
7334         if (getenv("SWM_STARTED"))
7335                 return (0);
7336
7337         bzero(s, sizeof s);
7338         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
7339                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
7340         ws_id--;
7341         if (ws_id < 0 || ws_id >= workspace_limit)
7342                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
7343
7344         sp = expand_tilde((char *)&s);
7345
7346         /*
7347          * This is a little intricate
7348          *
7349          * If the pid already exists we simply reuse it because it means it was
7350          * used before AND not claimed by manage_window.  We get away with
7351          * altering it in the parent after INSERT because this can not be a race
7352          */
7353         a.argv = NULL;
7354         while ((ap = strsep(&sp, " \t")) != NULL) {
7355                 if (*ap == '\0')
7356                         continue;
7357                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
7358                 argc++;
7359                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
7360                         err(1, "setautorun: realloc");
7361                 a.argv[argc - 1] = ap;
7362         }
7363         free(sp);
7364
7365         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
7366                 err(1, "setautorun: realloc");
7367         a.argv[argc] = NULL;
7368
7369         if ((pid = fork()) == 0) {
7370                 spawn(ws_id, &a, 1);
7371                 /* NOTREACHED */
7372                 _exit(1);
7373         }
7374         free(a.argv);
7375
7376         /* parent */
7377         p = find_pid(pid);
7378         if (p == NULL) {
7379                 p = calloc(1, sizeof *p);
7380                 if (p == NULL)
7381                         return (1);
7382                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
7383         }
7384
7385         p->pid = pid;
7386         p->ws = ws_id;
7387
7388         return (0);
7389 }
7390
7391 int
7392 setlayout(char *selector, char *value, int flags)
7393 {
7394         int                     ws_id, i, x, mg, ma, si, ar, f = 0;
7395         int                     st = SWM_V_STACK, num_screens;
7396         char                    s[1024];
7397         struct workspace        *ws;
7398
7399         /* suppress unused warnings since vars are needed */
7400         (void)selector;
7401         (void)flags;
7402
7403         if (getenv("SWM_STARTED"))
7404                 return (0);
7405
7406         bzero(s, sizeof s);
7407         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
7408             &ws_id, &mg, &ma, &si, &ar, s) != 6)
7409                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
7410                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
7411                     "<type>'");
7412         ws_id--;
7413         if (ws_id < 0 || ws_id >= workspace_limit)
7414                 errx(1, "layout: invalid workspace %d", ws_id + 1);
7415
7416         if (!strcasecmp(s, "vertical"))
7417                 st = SWM_V_STACK;
7418         else if (!strcasecmp(s, "vertical_flip")) {
7419                 st = SWM_V_STACK;
7420                 f = 1;
7421         } else if (!strcasecmp(s, "horizontal"))
7422                 st = SWM_H_STACK;
7423         else if (!strcasecmp(s, "horizontal_flip")) {
7424                 st = SWM_H_STACK;
7425                 f = 1;
7426         } else if (!strcasecmp(s, "fullscreen"))
7427                 st = SWM_MAX_STACK;
7428         else
7429                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
7430                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
7431                     "<type>'");
7432
7433         num_screens = get_screen_count();
7434         for (i = 0; i < num_screens; i++) {
7435                 ws = (struct workspace *)&screens[i].ws;
7436                 ws[ws_id].cur_layout = &layouts[st];
7437
7438                 ws[ws_id].always_raise = ar;
7439                 if (st == SWM_MAX_STACK)
7440                         continue;
7441
7442                 /* master grow */
7443                 for (x = 0; x < abs(mg); x++) {
7444                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7445                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
7446                             SWM_ARG_ID_MASTERSHRINK);
7447                         stack();
7448                 }
7449                 /* master add */
7450                 for (x = 0; x < abs(ma); x++) {
7451                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7452                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
7453                             SWM_ARG_ID_MASTERDEL);
7454                         stack();
7455                 }
7456                 /* stack inc */
7457                 for (x = 0; x < abs(si); x++) {
7458                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7459                             si >= 0 ?  SWM_ARG_ID_STACKINC :
7460                             SWM_ARG_ID_STACKDEC);
7461                         stack();
7462                 }
7463                 /* Apply flip */
7464                 if (f) {
7465                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7466                             SWM_ARG_ID_FLIPLAYOUT);
7467                         stack();
7468                 }
7469         }
7470
7471         focus_flush();
7472
7473         return (0);
7474 }
7475
7476 /* config options */
7477 struct config_option {
7478         char                    *optname;
7479         int                     (*func)(char*, char*, int);
7480         int                     funcflags;
7481 };
7482 struct config_option configopt[] = {
7483         { "autorun",                    setautorun,     0 },
7484         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
7485         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
7486         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
7487         { "bar_border_unfocus",         setconfcolor,   SWM_S_COLOR_BAR_BORDER_UNFOCUS },
7488         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
7489         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
7490         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
7491         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
7492         { "bar_enabled_ws",             setconfvalue,   SWM_S_BAR_ENABLED_WS },
7493         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
7494         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
7495         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
7496         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
7497         { "bind",                       setconfbinding, 0 },
7498         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
7499         { "boundary_width",             setconfvalue,   SWM_S_BOUNDARY_WIDTH },
7500         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
7501         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
7502         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
7503         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
7504         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
7505         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
7506         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
7507         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
7508         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
7509         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
7510         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
7511         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
7512         { "keyboard_mapping",           setkeymapping,  0 },
7513         { "layout",                     setlayout,      0 },
7514         { "modkey",                     setconfmodkey,  0 },
7515         { "program",                    setconfspawn,   0 },
7516         { "quirk",                      setconfquirk,   0 },
7517         { "region",                     setconfregion,  0 },
7518         { "region_padding",             setconfvalue,   SWM_S_REGION_PADDING },
7519         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
7520         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
7521         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
7522         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
7523         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
7524         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
7525         { "tile_gap",                   setconfvalue,   SWM_S_TILE_GAP },
7526         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
7527         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
7528         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
7529         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
7530         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
7531         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
7532 };
7533
7534 void
7535 _add_startup_exception(const char *fmt, va_list ap)
7536 {
7537         if (vasprintf(&startup_exception, fmt, ap) == -1)
7538                 warn("%s: asprintf", __func__);
7539 }
7540
7541 void
7542 add_startup_exception(const char *fmt, ...)
7543 {
7544         va_list ap;
7545
7546         nr_exceptions++;
7547
7548         if (startup_exception)
7549                 return;
7550
7551         /* force bar to be enabled due to exception */
7552         bar_enabled = 1;
7553
7554         va_start(ap, fmt);
7555         _add_startup_exception(fmt, ap);
7556         va_end(ap);
7557 }
7558
7559 int
7560 conf_load(const char *filename, int keymapping)
7561 {
7562         FILE                    *config;
7563         char                    *line = NULL, *cp, *optsub, *optval = NULL;
7564         size_t                  linelen, lineno = 0;
7565         int                     wordlen, i, optidx;
7566         struct config_option    *opt = NULL;
7567
7568         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
7569
7570         if (filename == NULL) {
7571                 warnx("conf_load: no filename");
7572                 return (1);
7573         }
7574
7575         DNPRINTF(SWM_D_CONF, "conf_load: open %s\n", filename);
7576
7577         if ((config = fopen(filename, "r")) == NULL) {
7578                 warn("conf_load: fopen: %s", filename);
7579                 return (1);
7580         }
7581
7582         while (!feof(config)) {
7583                 if (line)
7584                         free(line);
7585
7586                 if ((line = fparseln(config, &linelen, &lineno, NULL,
7587                     FPARSELN_UNESCCOMM | FPARSELN_UNESCCONT)) == NULL) {
7588                         if (ferror(config))
7589                                 err(1, "%s", filename);
7590                         else
7591                                 continue;
7592                 }
7593                 cp = line;
7594                 cp += strspn(cp, " \t\n"); /* eat whitespace */
7595                 if (cp[0] == '\0') {
7596                         /* empty line */
7597                         continue;
7598                 }
7599                 /* get config option */
7600                 wordlen = strcspn(cp, "=[ \t\n");
7601                 if (wordlen == 0) {
7602                         add_startup_exception("%s: line %zd: no option found",
7603                             filename, lineno);
7604                         continue;
7605                 }
7606                 optidx = -1;
7607                 for (i = 0; i < LENGTH(configopt); i++) {
7608                         opt = &configopt[i];
7609                         if (!strncasecmp(cp, opt->optname, wordlen) &&
7610                             (int)strlen(opt->optname) == wordlen) {
7611                                 optidx = i;
7612                                 break;
7613                         }
7614                 }
7615                 if (optidx == -1) {
7616                         add_startup_exception("%s: line %zd: unknown option "
7617                             "%.*s", filename, lineno, wordlen, cp);
7618                         continue;
7619                 }
7620                 if (keymapping && opt && strcmp(opt->optname, "bind")) {
7621                         add_startup_exception("%s: line %zd: invalid option "
7622                             "%.*s", filename, lineno, wordlen, cp);
7623                         continue;
7624                 }
7625                 cp += wordlen;
7626                 cp += strspn(cp, " \t\n"); /* eat whitespace */
7627
7628                 /* from here on out we call goto invalid to continue */
7629
7630                 /* get [selector] if any */
7631                 optsub = NULL;
7632                 if (*cp == '[') {
7633                         cp++;
7634                         wordlen = strcspn(cp, "]");
7635                         if (*cp != ']') {
7636                                 if (wordlen == 0) {
7637                                         add_startup_exception("%s: line %zd: "
7638                                             "syntax error", filename, lineno);
7639                                         goto invalid;
7640                                 }
7641
7642                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
7643                                     -1) {
7644                                         add_startup_exception("%s: line %zd: "
7645                                             "unable to allocatememory for "
7646                                             "selector", filename, lineno);
7647                                         goto invalid;
7648                                 }
7649                         }
7650                         cp += wordlen;
7651                         cp += strspn(cp, "] \t\n"); /* eat trailing */
7652                 }
7653                 cp += strspn(cp, "= \t\n"); /* eat trailing */
7654                 /* get RHS value */
7655                 optval = strdup(cp);
7656                 if (strlen(optval) == 0) {
7657                         add_startup_exception("%s: line %zd: must supply value "
7658                             "to %s", filename, lineno,
7659                             configopt[optidx].optname);
7660                         goto invalid;
7661                 }
7662                 /* call function to deal with it all */
7663                 if (configopt[optidx].func(optsub, optval,
7664                     configopt[optidx].funcflags) != 0) {
7665                         add_startup_exception("%s: line %zd: invalid data for "
7666                             "%s", filename, lineno, configopt[optidx].optname);
7667                         goto invalid;
7668                 }
7669 invalid:
7670                 if (optval) {
7671                         free(optval);
7672                         optval = NULL;
7673                 }
7674                 if (optsub) {
7675                         free(optsub);
7676                         optsub = NULL;
7677                 }
7678         }
7679
7680         if (line)
7681                 free(line);
7682         fclose(config);
7683         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
7684
7685         return (0);
7686 }
7687
7688 void
7689 set_child_transient(struct ws_win *win, xcb_window_t *trans)
7690 {
7691         struct ws_win           *parent, *w;
7692         struct swm_region       *r;
7693         struct workspace        *ws;
7694         xcb_icccm_wm_hints_t    wmh;
7695
7696         parent = find_window(win->transient);
7697         if (parent)
7698                 parent->focus_child = win;
7699         else {
7700                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
7701                     " for 0x%x trans 0x%x\n", win->id, win->transient);
7702
7703                 r = root_to_region(win->wa->root, SWM_CK_ALL);
7704                 ws = r->ws;
7705                 /* parent doen't exist in our window list */
7706                 TAILQ_FOREACH(w, &ws->winlist, entry) {
7707                         if (xcb_icccm_get_wm_hints_reply(conn,
7708                             xcb_icccm_get_wm_hints(conn, w->id),
7709                             &wmh, NULL) != 1) {
7710                                 warnx("can't get hints for 0x%x", w->id);
7711                                 continue;
7712                         }
7713
7714                         if (win->hints.window_group != wmh.window_group)
7715                                 continue;
7716
7717                         w->focus_child = win;
7718                         win->transient = w->id;
7719                         *trans = w->id;
7720                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
7721                             "transient to 0x%x\n", win->transient);
7722                         break;
7723                 }
7724         }
7725 }
7726
7727 pid_t
7728 window_get_pid(xcb_window_t win)
7729 {
7730         pid_t                           ret = 0;
7731         const char                      *errstr;
7732         xcb_atom_t                      apid;
7733         xcb_get_property_cookie_t       pc;
7734         xcb_get_property_reply_t        *pr;
7735
7736         apid = get_atom_from_string("_NET_WM_PID");
7737         if (apid == XCB_ATOM_NONE)
7738                 goto tryharder;
7739
7740         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
7741         pr = xcb_get_property_reply(conn, pc, NULL);
7742         if (!pr)
7743                 goto tryharder;
7744         if (pr->type != XCB_ATOM_CARDINAL) {
7745                 free(pr);
7746                 goto tryharder;
7747         }
7748
7749         if (pr->type == apid && pr->format == 32)
7750                 ret = *((pid_t *)xcb_get_property_value(pr));
7751         free(pr);
7752
7753         return (ret);
7754
7755 tryharder:
7756         apid = get_atom_from_string("_SWM_PID");
7757         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
7758             0, SWM_PROPLEN);
7759         pr = xcb_get_property_reply(conn, pc, NULL);
7760         if (!pr)
7761                 return (0);
7762         if (pr->type != apid) {
7763                 free(pr);
7764                 return (0);
7765         }
7766
7767         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
7768         free(pr);
7769
7770         return (ret);
7771 }
7772
7773 int
7774 get_ws_idx(xcb_window_t id)
7775 {
7776         int                     ws_idx = -1;
7777         char                    *prop = NULL;
7778         size_t                  proplen;
7779         const char              *errstr;
7780         xcb_get_property_reply_t        *gpr;
7781
7782         gpr = xcb_get_property_reply(conn,
7783                 xcb_get_property(conn, 0, id, a_swm_ws,
7784                     XCB_ATOM_STRING, 0, SWM_PROPLEN),
7785                 NULL);
7786         if (!gpr)
7787                 return (-1);
7788         if (gpr->type) {
7789                 proplen = xcb_get_property_value_length(gpr);
7790                 if (proplen > 0) {
7791                         prop = malloc(proplen + 1);
7792                         if (prop) {
7793                                 memcpy(prop,
7794                                     xcb_get_property_value(gpr),
7795                                     proplen);
7796                                 prop[proplen] = '\0';
7797                         }
7798                 }
7799         }
7800         free(gpr);
7801
7802         if (prop) {
7803                 DNPRINTF(SWM_D_PROP, "get_ws_idx: _SWM_WS: %s\n", prop);
7804                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1, &errstr);
7805                 if (errstr) {
7806                         DNPRINTF(SWM_D_PROP, "get_ws_idx: window: #%s: %s",
7807                             errstr, prop);
7808                 }
7809                 free(prop);
7810         }
7811
7812         return ws_idx;
7813 }
7814
7815 struct ws_win *
7816 manage_window(xcb_window_t id, uint16_t mapped)
7817 {
7818         xcb_window_t            trans = XCB_WINDOW_NONE;
7819         struct ws_win           *win, *ww;
7820         int                     ws_idx;
7821         char                    ws_idx_str[SWM_PROPLEN];
7822         struct swm_region       *r;
7823         struct pid_e            *p;
7824         struct quirk            *qp;
7825         uint32_t                i, wa[2];
7826         xcb_icccm_get_wm_protocols_reply_t      wpr;
7827
7828         if ((win = find_window(id)) != NULL) {
7829                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x already "
7830                     "managed; skipping.)\n", id);
7831                 return (win);   /* Already managed. */
7832         }
7833
7834         /* See if window is on the unmanaged list. */
7835         if ((win = find_unmanaged_window(id)) != NULL) {
7836                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x found on "
7837                     "unmanaged list.\n", id);
7838                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
7839
7840                 if (win->transient)
7841                         set_child_transient(win, &trans);
7842
7843                 goto out;
7844         } else {
7845                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x is new.\n", id);
7846         }
7847
7848         /* Create and initialize ws_win object. */
7849         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
7850                 err(1, "manage_window: calloc: failed to allocate memory for "
7851                     "new window");
7852
7853         win->id = id;
7854
7855         /* Get window geometry. */
7856         win->wa = xcb_get_geometry_reply(conn,
7857             xcb_get_geometry(conn, win->id),
7858             NULL);
7859
7860         /* Figure out which region the window belongs to. */
7861         r = root_to_region(win->wa->root, SWM_CK_ALL);
7862
7863         /* Ignore window border if there is one. */
7864         WIDTH(win) = win->wa->width;
7865         HEIGHT(win) = win->wa->height;
7866         X(win) = win->wa->x + win->wa->border_width - border_width;
7867         Y(win) = win->wa->y + win->wa->border_width - border_width;
7868         win->bordered = 1;
7869         win->mapped = mapped;
7870         win->floatmaxed = 0;
7871         win->ewmh_flags = 0;
7872         win->s = r->s;  /* this never changes */
7873
7874         /* Get WM_SIZE_HINTS. */
7875         xcb_icccm_get_wm_normal_hints_reply(conn,
7876             xcb_icccm_get_wm_normal_hints(conn, win->id),
7877             &win->sh, NULL);
7878
7879         /* Get WM_HINTS. */
7880         xcb_icccm_get_wm_hints_reply(conn,
7881             xcb_icccm_get_wm_hints(conn, win->id),
7882             &win->hints, NULL);
7883
7884         /* Get WM_TRANSIENT_FOR; see if window is a transient. */
7885         xcb_icccm_get_wm_transient_for_reply(conn,
7886             xcb_icccm_get_wm_transient_for(conn, win->id),
7887             &trans, NULL);
7888         if (trans) {
7889                 win->transient = trans;
7890                 set_child_transient(win, &win->transient);
7891         }
7892
7893         /* Get supported protocols. */
7894         if (xcb_icccm_get_wm_protocols_reply(conn,
7895             xcb_icccm_get_wm_protocols(conn, win->id, a_prot),
7896             &wpr, NULL)) {
7897                 for (i = 0; i < wpr.atoms_len; i++) {
7898                         if (wpr.atoms[i] == a_takefocus)
7899                                 win->take_focus = 1;
7900                         if (wpr.atoms[i] == a_delete)
7901                                 win->can_delete = 1;
7902                 }
7903                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
7904         }
7905
7906         win->iconic = get_swm_iconic(win);
7907
7908         /* Figure out which workspace the window belongs to. */
7909         if ((p = find_pid(window_get_pid(win->id))) != NULL) {
7910                 win->ws = &r->s->ws[p->ws];
7911                 TAILQ_REMOVE(&pidlist, p, entry);
7912                 free(p);
7913                 p = NULL;
7914         } else if ((ws_idx = get_ws_idx(win->id)) != -1 &&
7915             !win->transient) {
7916                 /* _SWM_WS is set; use that. */
7917                 win->ws = &r->s->ws[ws_idx];
7918         } else if (trans && (ww = find_window(trans)) != NULL) {
7919                 /* Launch transients in the same ws as parent. */
7920                 win->ws = ww->ws;
7921         } else {
7922                 win->ws = r->ws;
7923         }
7924
7925         /* Set the _SWM_WS atom so we can remember this after reincarnation. */
7926         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", win->ws->idx) <
7927             SWM_PROPLEN) {
7928                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
7929                     ws_idx_str);
7930                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
7931                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
7932                     ws_idx_str);
7933         }
7934
7935         /* WS must already be set for this to work. */
7936         store_float_geom(win);
7937
7938         /* Handle EWMH */
7939         ewmh_autoquirk(win);
7940
7941         /* Determine initial quirks. */
7942         if (xcb_icccm_get_wm_class_reply(conn,
7943             xcb_icccm_get_wm_class(conn, win->id),
7944             &win->ch, NULL)) {
7945                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
7946                     win->ch.class_name, win->ch.instance_name);
7947
7948                 /* java is retarded so treat it special */
7949                 if (strstr(win->ch.instance_name, "sun-awt")) {
7950                         DNPRINTF(SWM_D_CLASS, "manage_window: java window "
7951                             "detected.\n");
7952                         win->java = 1;
7953                 }
7954
7955                 TAILQ_FOREACH(qp, &quirks, entry) {
7956                         if (!strcmp(win->ch.class_name, qp->class) &&
7957                             !strcmp(win->ch.instance_name, qp->name)) {
7958                                 DNPRINTF(SWM_D_CLASS, "manage_window: on quirks"
7959                                     "list; mask: 0x%lx\n", qp->quirk);
7960                                 if (qp->quirk & SWM_Q_FLOAT)
7961                                         win->floating = 1;
7962                                 win->quirks = qp->quirk;
7963                         }
7964                 }
7965         }
7966
7967         /* Alter window position if quirky */
7968         if (win->quirks & SWM_Q_ANYWHERE)
7969                 win->manual = 1;
7970
7971         /* Reset font sizes (the bruteforce way; no default keybinding). */
7972         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
7973                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7974                         fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
7975                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7976                         fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
7977         }
7978
7979         /* Make sure window is positioned inside its region, if its active. */
7980         if (win->ws->r) {
7981                 region_containment(win, r, SWM_CW_ALLSIDES |
7982                     SWM_CW_HARDBOUNDARY);
7983                 update_window(win);
7984         }
7985
7986         /* Select which X events to monitor and set border pixel color. */
7987         wa[0] = win->s->c[SWM_S_COLOR_UNFOCUS].pixel;
7988         wa[1] = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_PROPERTY_CHANGE |
7989             XCB_EVENT_MASK_STRUCTURE_NOTIFY;
7990 #ifdef SWM_DEBUG
7991         wa[1] |= XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE;
7992 #endif
7993
7994         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL |
7995             XCB_CW_EVENT_MASK, wa);
7996
7997 out:
7998         /* Figure out where to stack the window in the workspace. */
7999         if (trans && (ww = find_window(trans)))
8000                 TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
8001         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
8002                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
8003                     entry);
8004         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
8005                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
8006         else switch (spawn_position) {
8007         default:
8008         case SWM_STACK_TOP:
8009         case SWM_STACK_ABOVE:
8010                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
8011                 break;
8012         case SWM_STACK_BOTTOM:
8013         case SWM_STACK_BELOW:
8014                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
8015         }
8016
8017         /* Get initial _NET_WM_STATE */
8018         ewmh_get_win_state(win);
8019         /* Set initial _NET_WM_ALLOWED_ACTIONS */
8020         ewmh_update_actions(win);
8021
8022         grabbuttons(win);
8023
8024         DNPRINTF(SWM_D_MISC, "manage_window: done. window: 0x%x, (x,y) w x h: "
8025             "(%d,%d) %d x %d, ws: %d, iconic: %s, transient: 0x%x\n", win->id,
8026             X(win), Y(win), WIDTH(win), HEIGHT(win), win->ws->idx,
8027             YESNO(win->iconic), win->transient);
8028
8029         return (win);
8030 }
8031
8032 void
8033 free_window(struct ws_win *win)
8034 {
8035         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
8036
8037         if (win == NULL)
8038                 return;
8039
8040         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
8041
8042         if (win->wa)
8043                 free(win->wa);
8044
8045         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
8046
8047         kill_refs(win);
8048
8049         /* paint memory */
8050         memset(win, 0xff, sizeof *win); /* XXX kill later */
8051
8052         free(win);
8053         DNPRINTF(SWM_D_MISC, "free_window: done.\n");
8054 }
8055
8056 void
8057 unmanage_window(struct ws_win *win)
8058 {
8059         struct ws_win           *parent;
8060
8061         if (win == NULL)
8062                 return;
8063
8064         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
8065
8066         if (win->transient) {
8067                 parent = find_window(win->transient);
8068                 if (parent)
8069                         parent->focus_child = NULL;
8070         }
8071
8072         TAILQ_REMOVE(&win->ws->winlist, win, entry);
8073         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
8074 }
8075
8076 void
8077 expose(xcb_expose_event_t *e)
8078 {
8079         int                     i, num_screens;
8080         struct swm_region       *r;
8081
8082         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
8083
8084         num_screens = get_screen_count();
8085         for (i = 0; i < num_screens; i++)
8086                 TAILQ_FOREACH(r, &screens[i].rl, entry)
8087                         if (e->window == WINID(r->bar))
8088                                 bar_draw();
8089
8090         xcb_flush(conn);
8091 }
8092
8093 #ifdef SWM_DEBUG
8094 void
8095 focusin(xcb_focus_in_event_t *e)
8096 {
8097         DNPRINTF(SWM_D_EVENT, "focusin: window: 0x%x, mode: %s(%u), "
8098             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
8099             e->mode, get_notify_detail_label(e->detail), e->detail);
8100 }
8101
8102 void
8103 focusout(xcb_focus_out_event_t *e)
8104 {
8105         DNPRINTF(SWM_D_EVENT, "focusout: window: 0x%x, mode: %s(%u), "
8106             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
8107             e->mode, get_notify_detail_label(e->detail), e->detail);
8108 }
8109 #endif
8110
8111 void
8112 keypress(xcb_key_press_event_t *e)
8113 {
8114         xcb_keysym_t            keysym;
8115         struct key              *kp;
8116
8117         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
8118
8119         DNPRINTF(SWM_D_EVENT, "keypress: keysym: %u, win (x,y): 0x%x (%d,%d), "
8120             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
8121             "state: %u, same_screen: %s\n", keysym, e->event, e->event_x,
8122             e->event_y, e->detail, e->time, e->root, e->root_x, e->root_y,
8123             e->child, e->state, YESNO(e->same_screen));
8124
8125         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
8126                 goto out;
8127
8128         last_event_time = e->time;
8129
8130         if (kp->funcid == KF_SPAWN_CUSTOM)
8131                 spawn_custom(root_to_region(e->root, SWM_CK_ALL),
8132                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
8133         else if (keyfuncs[kp->funcid].func)
8134                 keyfuncs[kp->funcid].func(root_to_region(e->root, SWM_CK_ALL),
8135                     &(keyfuncs[kp->funcid].args));
8136
8137 out:
8138         /* Unfreeze grab events. */
8139         xcb_allow_events(conn, XCB_ALLOW_ASYNC_KEYBOARD, e->time);
8140         xcb_flush(conn);
8141
8142         DNPRINTF(SWM_D_EVENT, "keypress: done.\n");
8143 }
8144
8145 void
8146 buttonpress(xcb_button_press_event_t *e)
8147 {
8148         struct ws_win           *win = NULL;
8149         struct swm_region       *r, *old_r;
8150         int                     i;
8151         int                     handled = 0;
8152
8153         DNPRINTF(SWM_D_EVENT, "buttonpress: win (x,y): 0x%x (%d,%d), "
8154             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
8155             "state: %u, same_screen: %s\n", e->event, e->event_x, e->event_y,
8156             e->detail, e->time, e->root, e->root_x, e->root_y, e->child,
8157             e->state, YESNO(e->same_screen));
8158
8159         if (e->event == e->root) {
8160                 if (e->child != 0) {
8161                         win = find_window(e->child);
8162                         /* Pass ButtonPress to window if it isn't managed. */
8163                         if (win == NULL)
8164                                 goto out;
8165                 } else {
8166                         /* Focus on empty region */
8167                         /* If no windows on region if its empty. */
8168                         r = root_to_region(e->root, SWM_CK_POINTER);
8169                         if (r == NULL) {
8170                                 DNPRINTF(SWM_D_EVENT, "buttonpress: "
8171                                     "NULL region; ignoring.\n");
8172                                 goto out;
8173                         }
8174
8175                         if (TAILQ_EMPTY(&r->ws->winlist)) {
8176                                 old_r = root_to_region(e->root, SWM_CK_FOCUS);
8177                                 if (old_r && old_r != r)
8178                                         unfocus_win(old_r->ws->focus);
8179
8180                                 xcb_set_input_focus(conn,
8181                                     XCB_INPUT_FOCUS_PARENT, e->root, e->time);
8182
8183                                 /* Clear bar since empty. */
8184                                 bar_draw();
8185
8186                                 handled = 1;
8187                                 goto out;
8188                         }
8189                 }
8190         } else {
8191                 win = find_window(e->event);
8192         }
8193
8194         if (win == NULL)
8195                 goto out;
8196
8197         last_event_time = e->time;
8198
8199         focus_win(get_focus_magic(win));
8200
8201         for (i = 0; i < LENGTH(buttons); i++)
8202                 if (client_click == buttons[i].action && buttons[i].func &&
8203                     buttons[i].button == e->detail &&
8204                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state)) {
8205                         buttons[i].func(win, &buttons[i].args);
8206                         handled = 1;
8207                 }
8208
8209 out:
8210         if (!handled) {
8211                 DNPRINTF(SWM_D_EVENT, "buttonpress: passing to window.\n");
8212                 /* Replay event to event window */
8213                 xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, e->time);
8214         } else {
8215                 DNPRINTF(SWM_D_EVENT, "buttonpress: handled.\n");
8216                 /* Unfreeze grab events. */
8217                 xcb_allow_events(conn, XCB_ALLOW_SYNC_POINTER, e->time);
8218         }
8219
8220         xcb_flush(conn);
8221 }
8222
8223 #ifdef SWM_DEBUG
8224 void
8225 print_win_geom(xcb_window_t w)
8226 {
8227         xcb_get_geometry_reply_t        *wa;
8228
8229         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
8230
8231         if (!wa) {
8232                 DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: 0x%x\n",
8233                     w);
8234                 return;
8235         }
8236
8237         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
8238             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
8239             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
8240             wa->border_width);
8241
8242         free(wa);
8243 }
8244 #endif
8245
8246 #ifdef SWM_DEBUG
8247 char *
8248 get_stack_mode_name(uint8_t mode)
8249 {
8250         char    *name;
8251
8252         switch(mode) {
8253         case XCB_STACK_MODE_ABOVE:
8254                 name = "Above";
8255                 break;
8256         case XCB_STACK_MODE_BELOW:
8257                 name = "Below";
8258                 break;
8259         case XCB_STACK_MODE_TOP_IF:
8260                 name = "TopIf";
8261                 break;
8262         case XCB_STACK_MODE_BOTTOM_IF:
8263                 name = "BottomIf";
8264                 break;
8265         case XCB_STACK_MODE_OPPOSITE:
8266                 name = "Opposite";
8267                 break;
8268         default:
8269                 name = "Unknown";
8270         }
8271
8272         return name;
8273 }
8274 #endif
8275
8276 void
8277 configurerequest(xcb_configure_request_event_t *e)
8278 {
8279         struct ws_win           *win;
8280         struct swm_region       *r = NULL;
8281         int                     new = 0, i = 0;
8282         uint16_t                mask = 0;
8283         uint32_t                wc[7] = {0};
8284
8285         if ((win = find_window(e->window)) == NULL)
8286                 if ((win = find_unmanaged_window(e->window)) == NULL)
8287                         new = 1;
8288
8289 #ifdef SWM_DEBUG
8290         if (swm_debug & SWM_D_EVENT) {
8291                 print_win_geom(e->window);
8292
8293                 DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%x, "
8294                     "parent: 0x%x, new: %s, value_mask: %u { ", e->window,
8295                     e->parent, YESNO(new), e->value_mask);
8296                 if (e->value_mask & XCB_CONFIG_WINDOW_X)
8297                         DPRINTF("X: %d ", e->x);
8298                 if (e->value_mask & XCB_CONFIG_WINDOW_Y)
8299                         DPRINTF("Y: %d ", e->y);
8300                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
8301                         DPRINTF("W: %u ", e->width);
8302                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
8303                         DPRINTF("H: %u ", e->height);
8304                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
8305                         DPRINTF("Border: %u ", e->border_width);
8306                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING)
8307                         DPRINTF("Sibling: 0x%x ", e->sibling);
8308                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE)
8309                         DPRINTF("StackMode: %s(%u) ",
8310                             get_stack_mode_name(e->stack_mode), e->stack_mode);
8311                 DPRINTF("}\n");
8312         }
8313 #endif
8314
8315         if (new) {
8316                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
8317                         mask |= XCB_CONFIG_WINDOW_X;
8318                         wc[i++] = e->x;
8319                 }
8320                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
8321                         mask |= XCB_CONFIG_WINDOW_Y;
8322                         wc[i++] = e->y;
8323                 }
8324                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
8325                         mask |= XCB_CONFIG_WINDOW_WIDTH;
8326                         wc[i++] = e->width;
8327                 }
8328                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
8329                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
8330                         wc[i++] = e->height;
8331                 }
8332                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
8333                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
8334                         wc[i++] = e->border_width;
8335                 }
8336                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
8337                         mask |= XCB_CONFIG_WINDOW_SIBLING;
8338                         wc[i++] = e->sibling;
8339                 }
8340                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
8341                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
8342                         wc[i++] = e->stack_mode;
8343                 }
8344
8345                 if (mask != 0) {
8346                         xcb_configure_window(conn, e->window, mask, wc);
8347                         xcb_flush(conn);
8348                 }
8349         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
8350             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
8351                 if (win->ws->r)
8352                         r = win->ws->r;
8353                 else if (win->ws->old_r)
8354                         r = win->ws->old_r;
8355
8356                 /* windows are centered unless ANYWHERE quirk is set. */
8357                 if (win->quirks & SWM_Q_ANYWHERE) {
8358                         if (e->value_mask & XCB_CONFIG_WINDOW_X) {
8359                                 win->g_float.x = e->x;
8360                                 if (r)
8361                                         win->g_float.x -= X(r);
8362                         }
8363
8364                         if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
8365                                 win->g_float.y = e->y;
8366                                 if (r)
8367                                         win->g_float.y -= Y(r);
8368                         }
8369                 }
8370
8371                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
8372                         win->g_float.w = e->width;
8373
8374                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
8375                         win->g_float.h = e->height;
8376
8377                 win->g_floatvalid = 1;
8378
8379                 if (win->floating && r && (win->transient ||
8380                     win->ws->cur_layout != &layouts[SWM_MAX_STACK])) {
8381                         WIDTH(win) = win->g_float.w;
8382                         HEIGHT(win) = win->g_float.h;
8383
8384                         if (r) {
8385                                 stack_floater(win, r);
8386                                 focus_flush();
8387                         }
8388                 } else {
8389                         config_win(win, e);
8390                         xcb_flush(conn);
8391                 }
8392         } else {
8393                 config_win(win, e);
8394                 xcb_flush(conn);
8395         }
8396
8397         DNPRINTF(SWM_D_EVENT, "configurerequest: done.\n");
8398 }
8399
8400 void
8401 configurenotify(xcb_configure_notify_event_t *e)
8402 {
8403         struct ws_win           *win;
8404
8405         DNPRINTF(SWM_D_EVENT, "configurenotify: win 0x%x, event win: 0x%x, "
8406             "(x,y) WxH: (%d,%d) %ux%u, border: %u, above_sibling: 0x%x, "
8407             "override_redirect: %s\n", e->window, e->event, e->x, e->y,
8408             e->width, e->height, e->border_width, e->above_sibling,
8409             YESNO(e->override_redirect));
8410
8411         win = find_window(e->window);
8412         if (win) {
8413                 xcb_icccm_get_wm_normal_hints_reply(conn,
8414                     xcb_icccm_get_wm_normal_hints(conn, win->id),
8415                     &win->sh, NULL);
8416                 adjust_font(win);
8417                 if (font_adjusted) {
8418                         stack();
8419                         xcb_flush(conn);
8420                 }
8421         }
8422 }
8423
8424 void
8425 destroynotify(xcb_destroy_notify_event_t *e)
8426 {
8427         struct ws_win           *win;
8428
8429         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
8430
8431         if ((win = find_window(e->window)) == NULL) {
8432                 if ((win = find_unmanaged_window(e->window)) == NULL)
8433                         return;
8434                 free_window(win);
8435                 return;
8436         }
8437
8438         if (focus_mode != SWM_FOCUS_FOLLOW) {
8439                 /* If we were focused, make sure we focus on something else. */
8440                 if (win == win->ws->focus)
8441                         win->ws->focus_pending = get_focus_prev(win);
8442         }
8443
8444         unmanage_window(win);
8445         stack();
8446
8447         if (focus_mode != SWM_FOCUS_FOLLOW && WS_FOCUSED(win->ws)) {
8448                 if (win->ws->focus_pending) {
8449                         focus_win(win->ws->focus_pending);
8450                         win->ws->focus_pending = NULL;
8451                 } else if (win == win->ws->focus) {
8452                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
8453                             win->ws->r->id, XCB_CURRENT_TIME);
8454                 }
8455         }
8456
8457         free_window(win);
8458
8459         focus_flush();
8460 }
8461
8462 #ifdef SWM_DEBUG
8463 char *
8464 get_notify_detail_label(uint8_t detail)
8465 {
8466         char *label;
8467
8468         switch (detail) {
8469         case XCB_NOTIFY_DETAIL_ANCESTOR:
8470                 label = "Ancestor";
8471                 break;
8472         case XCB_NOTIFY_DETAIL_VIRTUAL:
8473                 label = "Virtual";
8474                 break;
8475         case XCB_NOTIFY_DETAIL_INFERIOR:
8476                 label = "Inferior";
8477                 break;
8478         case XCB_NOTIFY_DETAIL_NONLINEAR:
8479                 label = "Nonlinear";
8480                 break;
8481         case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
8482                 label = "NonlinearVirtual";
8483                 break;
8484         case XCB_NOTIFY_DETAIL_POINTER:
8485                 label = "Pointer";
8486                 break;
8487         case XCB_NOTIFY_DETAIL_POINTER_ROOT:
8488                 label = "PointerRoot";
8489                 break;
8490         case XCB_NOTIFY_DETAIL_NONE:
8491                 label = "None";
8492                 break;
8493         default:
8494                 label = "Unknown";
8495         }
8496
8497         return label;
8498 }
8499
8500 char *
8501 get_notify_mode_label(uint8_t mode)
8502 {
8503         char *label;
8504
8505         switch (mode) {
8506         case XCB_NOTIFY_MODE_NORMAL:
8507                 label = "Normal";
8508                 break;
8509         case XCB_NOTIFY_MODE_GRAB:
8510                 label = "Grab";
8511                 break;
8512         case XCB_NOTIFY_MODE_UNGRAB:
8513                 label = "Ungrab";
8514                 break;
8515         case XCB_NOTIFY_MODE_WHILE_GRABBED:
8516                 label = "WhileGrabbed";
8517                 break;
8518         default:
8519                 label = "Unknown";
8520         }
8521
8522         return label;
8523 }
8524 #endif
8525
8526 void
8527 enternotify(xcb_enter_notify_event_t *e)
8528 {
8529         struct ws_win           *win;
8530         struct swm_region       *r;
8531
8532         DNPRINTF(SWM_D_FOCUS, "enternotify: time: %u, win (x,y): 0x%x "
8533             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8534             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8535             e->time, e->event, e->event_x, e->event_y,
8536             get_notify_mode_label(e->mode), e->mode,
8537             get_notify_detail_label(e->detail), e->detail,
8538             e->root, e->root_x, e->root_y, e->child,
8539             YESNO(e->same_screen_focus), e->state);
8540
8541         if (focus_mode == SWM_FOCUS_MANUAL &&
8542             e->mode == XCB_NOTIFY_MODE_NORMAL) {
8543                 DNPRINTF(SWM_D_EVENT, "enternotify: manual focus; ignoring.\n");
8544                 return;
8545         }
8546
8547         last_event_time = e->time;
8548
8549         if ((win = find_window(e->event)) == NULL) {
8550                 if (e->event == e->root) {
8551                         /* If no windows on pointer region, then focus root. */
8552                         r = root_to_region(e->root, SWM_CK_POINTER);
8553                         if (r == NULL) {
8554                                 DNPRINTF(SWM_D_EVENT, "enternotify: "
8555                                     "NULL region; ignoring.\n");
8556                                 return;
8557                         }
8558
8559                         focus_region(r);
8560                 } else {
8561                         DNPRINTF(SWM_D_EVENT, "enternotify: window is NULL; "
8562                             "ignoring\n");
8563                         return;
8564                 }
8565         } else {
8566                 focus_win(get_focus_magic(win));
8567         }
8568
8569         xcb_flush(conn);
8570 }
8571
8572 #ifdef SWM_DEBUG
8573 void
8574 leavenotify(xcb_leave_notify_event_t *e)
8575 {
8576         DNPRINTF(SWM_D_FOCUS, "leavenotify: time: %u, win (x,y): 0x%x "
8577             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8578             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8579             e->time, e->event, e->event_x, e->event_y,
8580             get_notify_mode_label(e->mode), e->mode,
8581             get_notify_detail_label(e->detail), e->detail,
8582             e->root, e->root_x, e->root_y, e->child,
8583             YESNO(e->same_screen_focus), e->state);
8584 }
8585 #endif
8586
8587 void
8588 mapnotify(xcb_map_notify_event_t *e)
8589 {
8590         struct ws_win           *win;
8591
8592         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
8593
8594         if ((win = find_window(e->window)) == NULL)
8595                 win = manage_window(e->window, 1);
8596
8597         win->mapped = 1;
8598         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
8599
8600         if (focus_mode != SWM_FOCUS_FOLLOW && WS_FOCUSED(win->ws)) {
8601                 if (win->ws->focus_pending == win) {
8602                         focus_win(win);
8603                         win->ws->focus_pending = NULL;
8604                         focus_flush();
8605                 }
8606         }
8607
8608         xcb_flush(conn);
8609 }
8610
8611 void
8612 mappingnotify(xcb_mapping_notify_event_t *e)
8613 {
8614         xcb_refresh_keyboard_mapping(syms, e);
8615
8616         if (e->request == XCB_MAPPING_KEYBOARD)
8617                 grabkeys();
8618 }
8619
8620 void
8621 maprequest(xcb_map_request_event_t *e)
8622 {
8623         struct ws_win           *win, *w = NULL;
8624         xcb_get_window_attributes_reply_t *war;
8625
8626         DNPRINTF(SWM_D_EVENT, "maprequest: win 0x%x\n",
8627             e->window);
8628
8629         war = xcb_get_window_attributes_reply(conn,
8630             xcb_get_window_attributes(conn, e->window),
8631             NULL);
8632         if (war == NULL) {
8633                 DNPRINTF(SWM_D_EVENT, "maprequest: window lost.\n");
8634                 goto out;
8635         }
8636
8637         if (war->override_redirect) {
8638                 DNPRINTF(SWM_D_EVENT, "maprequest: override_redirect; "
8639                     "skipping.\n");
8640                 goto out;
8641         }
8642
8643         win = manage_window(e->window,
8644             (war->map_state == XCB_MAP_STATE_VIEWABLE));
8645
8646         /* The new window should get focus; prepare. */
8647         if (focus_mode != SWM_FOCUS_FOLLOW &&
8648             !(win->quirks & SWM_Q_NOFOCUSONMAP)) {
8649                 if (win->quirks & SWM_Q_FOCUSONMAP_SINGLE) {
8650                         /* See if other wins of same type are already mapped. */
8651                         TAILQ_FOREACH(w, &win->ws->winlist, entry) {
8652                                 if (w == win || !w->mapped)
8653                                         continue;
8654
8655                                 if (w->ch.class_name &&
8656                                     win->ch.class_name &&
8657                                     !strcmp(w->ch.class_name,
8658                                     win->ch.class_name) &&
8659                                     w->ch.instance_name &&
8660                                     win->ch.instance_name &&
8661                                     !strcmp(w->ch.instance_name,
8662                                     win->ch.instance_name))
8663                                         break;
8664                         }
8665                 }
8666
8667                 if (w == NULL)
8668                         win->ws->focus_pending = get_focus_magic(win);
8669         }
8670
8671         /* All windows need to be mapped if they are in the current workspace.*/
8672         if (win->ws->r)
8673                 stack();
8674
8675         /* Ignore EnterNotify to handle the mapnotify without interference. */
8676         if (focus_mode == SWM_FOCUS_DEFAULT)
8677                 event_drain(XCB_ENTER_NOTIFY);
8678 out:
8679         free(war);
8680         DNPRINTF(SWM_D_EVENT, "maprequest: done.\n");
8681 }
8682
8683 void
8684 motionnotify(xcb_motion_notify_event_t *e)
8685 {
8686         struct swm_region       *r;
8687         int                     i, num_screens;
8688
8689         DNPRINTF(SWM_D_FOCUS, "motionnotify: time: %u, win (x,y): 0x%x "
8690             "(%d,%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8691             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8692             e->time, e->event, e->event_x, e->event_y,
8693             get_notify_detail_label(e->detail), e->detail,
8694             e->root, e->root_x, e->root_y, e->child,
8695             YESNO(e->same_screen), e->state);
8696
8697         last_event_time = e->time;
8698
8699         if (focus_mode == SWM_FOCUS_MANUAL)
8700                 return;
8701
8702         num_screens = get_screen_count();
8703         for (i = 0; i < num_screens; i++)
8704                 if (screens[i].root == e->root)
8705                         break;
8706
8707         TAILQ_FOREACH(r, &screens[i].rl, entry)
8708                 if (X(r) <= e->root_x && e->root_x < MAX_X(r) &&
8709                     Y(r) <= e->root_y && e->root_y < MAX_Y(r))
8710                         break;
8711
8712         focus_region(r);
8713 }
8714
8715 #ifdef SWM_DEBUG
8716 char *
8717 get_atom_name(xcb_atom_t atom)
8718 {
8719         char                            *name = NULL;
8720 #if 0
8721         /*
8722          * This should be disabled during most debugging since
8723          * xcb_get_* causes an xcb_flush.
8724          */
8725         size_t                          len;
8726         xcb_get_atom_name_reply_t       *r;
8727
8728         r = xcb_get_atom_name_reply(conn,
8729             xcb_get_atom_name(conn, atom),
8730             NULL);
8731         if (r) {
8732                 len = xcb_get_atom_name_name_length(r);
8733                 if (len > 0) {
8734                         name = malloc(len + 1);
8735                         if (name) {
8736                                 memcpy(name, xcb_get_atom_name_name(r), len);
8737                                 name[len] = '\0';
8738                         }
8739                 }
8740                 free(r);
8741         }
8742 #else
8743         (void)atom;
8744 #endif
8745         return (name);
8746 }
8747 #endif
8748
8749 void
8750 propertynotify(xcb_property_notify_event_t *e)
8751 {
8752         struct ws_win           *win;
8753         struct workspace        *ws;
8754 #ifdef SWM_DEBUG
8755         char                    *name;
8756
8757         name = get_atom_name(e->atom);
8758         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u), "
8759             "time: %#x, state: %u\n", e->window, name, e->atom, e->time,
8760             e->state);
8761         free(name);
8762 #endif
8763         win = find_window(e->window);
8764         if (win == NULL)
8765                 return;
8766
8767         ws = win->ws;
8768
8769         last_event_time = e->time;
8770
8771         if (e->atom == a_swm_iconic) {
8772                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8773                         if (focus_mode != SWM_FOCUS_FOLLOW)
8774                                 ws->focus_pending = get_focus_prev(win);
8775
8776                         unfocus_win(win);
8777                         unmap_window(win);
8778
8779                         if (ws->r) {
8780                                 stack();
8781
8782                                 if (focus_mode != SWM_FOCUS_FOLLOW &&
8783                                     WS_FOCUSED(ws)) {
8784                                         if (ws->focus_pending) {
8785                                                 focus_win(ws->focus_pending);
8786                                                 ws->focus_pending = NULL;
8787                                         } else {
8788                                                 xcb_set_input_focus(conn,
8789                                                     XCB_INPUT_FOCUS_PARENT,
8790                                                     ws->r->id,
8791                                                     XCB_CURRENT_TIME);
8792                                         }
8793                                 }
8794
8795                                 focus_flush();
8796                         }
8797                 } else if (e->state == XCB_PROPERTY_DELETE) {
8798                         /* The window is no longer iconic, restack ws. */
8799                         if (focus_mode != SWM_FOCUS_FOLLOW)
8800                                 ws->focus_pending = get_focus_magic(win);
8801
8802                         stack();
8803
8804                         /* Flush EnterNotify for mapnotify, if needed. */
8805                         focus_flush();
8806                 }
8807         } else if (e->atom == a_state) {
8808                 /* State just changed, make sure it gets focused if mapped. */
8809                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8810                         if (focus_mode != SWM_FOCUS_FOLLOW && WS_FOCUSED(ws)) {
8811                                 if (win->mapped &&
8812                                     ws->focus_pending == win) {
8813                                         focus_win(ws->focus_pending);
8814                                         ws->focus_pending = NULL;
8815                                 }
8816                         }
8817                 }
8818         } else if (e->atom == XCB_ATOM_WM_CLASS ||
8819             e->atom == XCB_ATOM_WM_NAME) {
8820                 bar_draw();
8821         }
8822
8823         xcb_flush(conn);
8824 }
8825
8826 void
8827 unmapnotify(xcb_unmap_notify_event_t *e)
8828 {
8829         struct ws_win           *win;
8830         struct workspace        *ws;
8831
8832         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
8833
8834         /* If we aren't managing the window, then ignore. */
8835         win = find_window(e->window);
8836         if (win == NULL || win->id != e->window)
8837                 return;
8838
8839         ws = win->ws;
8840
8841         if (getstate(e->window) != XCB_ICCCM_WM_STATE_ICONIC)
8842                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8843
8844         if (win->mapped) {
8845                 /* window unmapped itself */
8846                 /* do unmap/unfocus/restack and unmanage */
8847                 win->mapped = 0;
8848
8849                 /* If win was focused, make sure to focus on something else. */
8850                 if (win == ws->focus) {
8851                         if (focus_mode != SWM_FOCUS_FOLLOW) {
8852                                 ws->focus_pending = get_focus_prev(win);
8853                                 DNPRINTF(SWM_D_EVENT, "unmapnotify: "
8854                                     "focus_pending: 0x%x\n",
8855                                     WINID(ws->focus_pending));
8856                         }
8857
8858                         unfocus_win(win);
8859                 }
8860
8861                 unmanage_window(win);
8862
8863                 if (ws->r)
8864                         stack();
8865
8866                 if (WS_FOCUSED(ws)) {
8867                         if (focus_mode == SWM_FOCUS_FOLLOW) {
8868                                 focus_win(get_pointer_win(ws->r->s->root));
8869                         } else if (ws->focus_pending) {
8870                                 focus_win(ws->focus_pending);
8871                                 ws->focus_pending = NULL;
8872                         } else if (ws->focus == NULL) {
8873                                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
8874                                     ws->r->id, XCB_CURRENT_TIME);
8875                         }
8876                 }
8877         }
8878
8879         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL)
8880                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8881
8882         focus_flush();
8883 }
8884
8885 #if 0
8886 void
8887 visibilitynotify(xcb_visibility_notify_event_t *e)
8888 {
8889         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
8890             e->window);
8891 }
8892 #endif
8893
8894 void
8895 clientmessage(xcb_client_message_event_t *e)
8896 {
8897         struct ws_win *win;
8898         xcb_map_request_event_t mre;
8899 #ifdef SWM_DEBUG
8900         char                    *name;
8901
8902         name = get_atom_name(e->type);
8903         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
8904             e->window, name, e->type);
8905         free(name);
8906 #endif
8907         win = find_window(e->window);
8908
8909         if (win == NULL) {
8910                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8911                         /* Manage the window with maprequest. */
8912                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
8913                             "unmanaged window.\n");
8914                         mre.window = e->window;
8915                         maprequest(&mre);
8916                 }
8917                 return;
8918         }
8919
8920         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8921                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
8922                 if (WS_FOCUSED(win->ws))
8923                         focus_win(win);
8924                 else
8925                         win->ws->focus_pending = win;
8926         }
8927         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
8928                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
8929                 if (win->can_delete)
8930                         client_msg(win, a_delete, 0);
8931                 else
8932                         xcb_kill_client(conn, win->id);
8933         }
8934         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
8935                 DNPRINTF(SWM_D_EVENT,
8936                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
8937                 if (win->floating) {
8938                         if (e->data.data32[0] & (1<<8)) /* x */
8939                                 X(win) = e->data.data32[1];
8940                         if (e->data.data32[0] & (1<<9)) /* y */
8941                                 Y(win) = e->data.data32[2];
8942                         if (e->data.data32[0] & (1<<10)) /* width */
8943                                 WIDTH(win) = e->data.data32[3];
8944                         if (e->data.data32[0] & (1<<11)) /* height */
8945                                 HEIGHT(win) = e->data.data32[4];
8946
8947                         update_window(win);
8948                 }
8949                 else {
8950                         /* TODO: Change stack sizes */
8951                         /* notify no change was made. */
8952                         config_win(win, NULL);
8953                 }
8954         }
8955         if (e->type == ewmh[_NET_WM_STATE].atom) {
8956                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
8957                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
8958                 if (e->data.data32[2])
8959                         ewmh_update_win_state(win, e->data.data32[2],
8960                             e->data.data32[0]);
8961
8962                 stack();
8963         }
8964
8965         focus_flush();
8966 }
8967
8968 void
8969 check_conn(void)
8970 {
8971         int      errcode = xcb_connection_has_error(conn);
8972 #ifdef XCB_CONN_ERROR
8973         char    *s;
8974         switch (errcode) {
8975         case XCB_CONN_ERROR:
8976                 s = "Socket error, pipe error or other stream error.";
8977                 break;
8978         case XCB_CONN_CLOSED_EXT_NOTSUPPORTED:
8979                 s = "Extension not supported.";
8980                 break;
8981         case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
8982                 s = "Insufficient memory.";
8983                 break;
8984         case XCB_CONN_CLOSED_REQ_LEN_EXCEED:
8985                 s = "Request length was exceeded.";
8986                 break;
8987         case XCB_CONN_CLOSED_PARSE_ERR:
8988                 s = "Error parsing display string.";
8989                 break;
8990         default:
8991                 s = "Unknown error.";
8992         }
8993         if (errcode)
8994                 errx(errcode, "X CONNECTION ERROR: %s", s);
8995 #else
8996         if (errcode)
8997                 errx(errcode, "X CONNECTION ERROR");
8998 #endif
8999 }
9000
9001 int
9002 enable_wm(void)
9003 {
9004         int                     num_screens, i;
9005         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
9006             XCB_EVENT_MASK_ENTER_WINDOW;
9007         xcb_screen_t            *sc;
9008         xcb_void_cookie_t       wac;
9009         xcb_generic_error_t     *error;
9010
9011         /* this causes an error if some other window manager is running */
9012         num_screens = get_screen_count();
9013         for (i = 0; i < num_screens; i++) {
9014                 if ((sc = get_screen(i)) == NULL)
9015                         errx(1, "ERROR: can't get screen %d.", i);
9016                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
9017                     i, sc->root);
9018                 wac = xcb_change_window_attributes_checked(conn, sc->root,
9019                     XCB_CW_EVENT_MASK, &val);
9020                 if ((error = xcb_request_check(conn, wac))) {
9021                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
9022                             error->error_code);
9023                         free(error);
9024                         return 1;
9025                 }
9026
9027                 /* click to focus on empty region */
9028                 xcb_grab_button(conn, 1, sc->root, BUTTONMASK,
9029                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
9030                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_1, XCB_BUTTON_MASK_ANY);
9031         }
9032
9033         return 0;
9034 }
9035
9036 void
9037 new_region(struct swm_screen *s, int x, int y, int w, int h)
9038 {
9039         struct swm_region       *r, *n;
9040         struct workspace        *ws = NULL;
9041         int                     i;
9042         uint32_t                wa[1];
9043
9044         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
9045              s->idx, w, h, x, y);
9046
9047         /* remove any conflicting regions */
9048         n = TAILQ_FIRST(&s->rl);
9049         while (n) {
9050                 r = n;
9051                 n = TAILQ_NEXT(r, entry);
9052                 if (X(r) < (x + w) && (X(r) + WIDTH(r)) > x &&
9053                     Y(r) < (y + h) && (Y(r) + HEIGHT(r)) > y) {
9054                         if (r->ws->r != NULL)
9055                                 r->ws->old_r = r->ws->r;
9056                         r->ws->r = NULL;
9057                         bar_cleanup(r);
9058                         xcb_destroy_window(conn, r->id);
9059                         TAILQ_REMOVE(&s->rl, r, entry);
9060                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
9061                 }
9062         }
9063
9064         /* search old regions for one to reuse */
9065
9066         /* size + location match */
9067         TAILQ_FOREACH(r, &s->orl, entry)
9068                 if (X(r) == x && Y(r) == y &&
9069                     HEIGHT(r) == h && WIDTH(r) == w)
9070                         break;
9071
9072         /* size match */
9073         TAILQ_FOREACH(r, &s->orl, entry)
9074                 if (HEIGHT(r) == h && WIDTH(r) == w)
9075                         break;
9076
9077         if (r != NULL) {
9078                 TAILQ_REMOVE(&s->orl, r, entry);
9079                 /* try to use old region's workspace */
9080                 if (r->ws->r == NULL)
9081                         ws = r->ws;
9082         } else
9083                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
9084                         err(1, "new_region: calloc: failed to allocate memory "
9085                             "for screen");
9086
9087         /* if we don't have a workspace already, find one */
9088         if (ws == NULL) {
9089                 for (i = 0; i < workspace_limit; i++)
9090                         if (s->ws[i].r == NULL) {
9091                                 ws = &s->ws[i];
9092                                 break;
9093                         }
9094         }
9095
9096         if (ws == NULL)
9097                 errx(1, "new_region: no free workspaces");
9098
9099         X(r) = x;
9100         Y(r) = y;
9101         WIDTH(r) = w;
9102         HEIGHT(r) = h;
9103         r->s = s;
9104         r->ws = ws;
9105         r->ws_prior = NULL;
9106         ws->r = r;
9107         outputs++;
9108         TAILQ_INSERT_TAIL(&s->rl, r, entry);
9109
9110         /* Invisible region window to detect pointer events on empty regions. */
9111         r->id = xcb_generate_id(conn);
9112         wa[0] = XCB_EVENT_MASK_POINTER_MOTION |
9113             XCB_EVENT_MASK_POINTER_MOTION_HINT;
9114
9115         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->id, r->s->root,
9116             X(r), Y(r), WIDTH(r), HEIGHT(r), 0, XCB_WINDOW_CLASS_INPUT_ONLY,
9117             XCB_COPY_FROM_PARENT, XCB_CW_EVENT_MASK, wa);
9118
9119         xcb_map_window(conn, r->id);
9120 }
9121
9122 void
9123 scan_xrandr(int i)
9124 {
9125 #ifdef SWM_XRR_HAS_CRTC
9126         int                                             c;
9127         int                                             ncrtc = 0;
9128 #endif /* SWM_XRR_HAS_CRTC */
9129         struct swm_region                               *r;
9130         struct ws_win                                   *win;
9131         int                                             num_screens;
9132         xcb_randr_get_screen_resources_current_cookie_t src;
9133         xcb_randr_get_screen_resources_current_reply_t  *srr;
9134         xcb_randr_get_crtc_info_cookie_t                cic;
9135         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
9136         xcb_randr_crtc_t                                *crtc;
9137         xcb_screen_t                                    *screen;
9138
9139         DNPRINTF(SWM_D_MISC, "scan_xrandr: screen: %d\n", i);
9140
9141         if ((screen = get_screen(i)) == NULL)
9142                 errx(1, "ERROR: can't get screen %d.", i);
9143
9144         num_screens = get_screen_count();
9145         if (i >= num_screens)
9146                 errx(1, "scan_xrandr: invalid screen");
9147
9148         /* remove any old regions */
9149         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
9150                 r->ws->old_r = r->ws->r = NULL;
9151                 bar_cleanup(r);
9152                 xcb_destroy_window(conn, r->id);
9153                 TAILQ_REMOVE(&screens[i].rl, r, entry);
9154                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
9155         }
9156         outputs = 0;
9157
9158         /* map virtual screens onto physical screens */
9159 #ifdef SWM_XRR_HAS_CRTC
9160         if (xrandr_support) {
9161                 src = xcb_randr_get_screen_resources_current(conn,
9162                     screens[i].root);
9163                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
9164                     NULL);
9165                 if (srr == NULL) {
9166                         new_region(&screens[i], 0, 0,
9167                             screen->width_in_pixels,
9168                             screen->height_in_pixels);
9169                         goto out;
9170                 } else
9171                         ncrtc = srr->num_crtcs;
9172
9173                 crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
9174                 for (c = 0; c < ncrtc; c++) {
9175                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
9176                             XCB_CURRENT_TIME);
9177                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
9178                         if (cir == NULL)
9179                                 continue;
9180                         if (cir->num_outputs == 0) {
9181                                 free(cir);
9182                                 continue;
9183                         }
9184
9185                         if (cir->mode == 0)
9186                                 new_region(&screens[i], 0, 0,
9187                                     screen->width_in_pixels,
9188                                     screen->height_in_pixels);
9189                         else
9190                                 new_region(&screens[i],
9191                                     cir->x, cir->y, cir->width, cir->height);
9192                         free(cir);
9193                 }
9194                 free(srr);
9195         }
9196 #endif /* SWM_XRR_HAS_CRTC */
9197
9198         /* If detection failed, create a single region that spans the screen. */
9199         if (TAILQ_EMPTY(&screens[i].rl))
9200                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
9201                     screen->height_in_pixels);
9202
9203 out:
9204         /* Cleanup unused previously visible workspaces. */
9205         TAILQ_FOREACH(r, &screens[i].orl, entry) {
9206                 TAILQ_FOREACH(win, &r->ws->winlist, entry)
9207                         unmap_window(win);
9208
9209                 /* The screen shouldn't focus on an unused region. */
9210                 if (screens[i].r_focus == r)
9211                         screens[i].r_focus = NULL;
9212         }
9213
9214         DNPRINTF(SWM_D_MISC, "scan_xrandr: done.\n");
9215 }
9216
9217 void
9218 screenchange(xcb_randr_screen_change_notify_event_t *e)
9219 {
9220         struct swm_region               *r;
9221         int                             i, num_screens;
9222
9223         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
9224
9225         num_screens = get_screen_count();
9226         /* silly event doesn't include the screen index */
9227         for (i = 0; i < num_screens; i++)
9228                 if (screens[i].root == e->root)
9229                         break;
9230         if (i >= num_screens)
9231                 errx(1, "screenchange: screen not found");
9232
9233         /* brute force for now, just re-enumerate the regions */
9234         scan_xrandr(i);
9235
9236 #ifdef SWM_DEBUG
9237         print_win_geom(e->root);
9238 #endif
9239         /* add bars to all regions */
9240         for (i = 0; i < num_screens; i++) {
9241                 TAILQ_FOREACH(r, &screens[i].rl, entry)
9242                         bar_setup(r);
9243         }
9244
9245         stack();
9246
9247         /* Make sure a region has focus on each screen. */
9248         for (i = 0; i < num_screens; i++) {
9249                 if (screens[i].r_focus == NULL) {
9250                         r = TAILQ_FIRST(&screens[i].rl);
9251                         if (r != NULL)
9252                                 focus_region(r);
9253                 }
9254         }
9255
9256         bar_draw();
9257         focus_flush();
9258 }
9259
9260 void
9261 grab_windows(void)
9262 {
9263         struct swm_region       *r = NULL;
9264         xcb_window_t            *wins = NULL, trans;
9265         int                     no;
9266         int                     i, j, num_screens;
9267         uint16_t                state, manage, mapped;
9268
9269         xcb_query_tree_cookie_t                 qtc;
9270         xcb_query_tree_reply_t                  *qtr;
9271         xcb_get_window_attributes_cookie_t      gac;
9272         xcb_get_window_attributes_reply_t       *gar;
9273         xcb_get_property_cookie_t               pc;
9274
9275         DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
9276         num_screens = get_screen_count();
9277         for (i = 0; i < num_screens; i++) {
9278                 qtc = xcb_query_tree(conn, screens[i].root);
9279                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
9280                 if (!qtr)
9281                         continue;
9282                 wins = xcb_query_tree_children(qtr);
9283                 no = xcb_query_tree_children_length(qtr);
9284                 /* attach windows to a region */
9285                 /* normal windows */
9286                 DNPRINTF(SWM_D_INIT, "grab_windows: grab top level windows.\n");
9287                 for (j = 0; j < no; j++) {
9288                         TAILQ_FOREACH(r, &screens[i].rl, entry) {
9289                                 if (r->id == wins[j]) {
9290                                         DNPRINTF(SWM_D_INIT, "grab_windows: "
9291                                             "skip %#x; region input window.\n",
9292                                             wins[j]);
9293                                         break;
9294                                 }
9295                         }
9296
9297                         if (r)
9298                                 continue;
9299
9300                         gac = xcb_get_window_attributes(conn, wins[j]);
9301                         gar = xcb_get_window_attributes_reply(conn, gac, NULL);
9302                         if (!gar) {
9303                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9304                                     "doesn't exist.\n", wins[j]);
9305                                 continue;
9306                         }
9307
9308                         if (gar->override_redirect) {
9309                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9310                                     "override_redirect set.\n", wins[j]);
9311                                 free(gar);
9312                                 continue;
9313                         }
9314
9315                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
9316                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
9317                             &trans, NULL)) {
9318                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9319                                     "is transient for %#x.\n", wins[j], trans);
9320                                 free(gar);
9321                                 continue;
9322                         }
9323
9324                         state = getstate(wins[j]);
9325                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
9326                         mapped = gar->map_state != XCB_MAP_STATE_UNMAPPED;
9327                         if (mapped || manage)
9328                                 manage_window(wins[j], mapped);
9329                         free(gar);
9330                 }
9331                 /* transient windows */
9332                 DNPRINTF(SWM_D_INIT, "grab_windows: grab transient windows.\n");
9333                 for (j = 0; j < no; j++) {
9334                         gac = xcb_get_window_attributes(conn, wins[j]);
9335                         gar = xcb_get_window_attributes_reply(conn, gac, NULL);
9336                         if (!gar) {
9337                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9338                                     "doesn't exist.\n", wins[j]);
9339                                 continue;
9340                         }
9341
9342                         if (gar->override_redirect) {
9343                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9344                                     "override_redirect set.\n", wins[j]);
9345                                 free(gar);
9346                                 continue;
9347                         }
9348
9349                         state = getstate(wins[j]);
9350                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
9351                         mapped = gar->map_state != XCB_MAP_STATE_UNMAPPED;
9352                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
9353                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
9354                             &trans, NULL) && manage)
9355                                 manage_window(wins[j], mapped);
9356                         free(gar);
9357                 }
9358                 free(qtr);
9359         }
9360         DNPRINTF(SWM_D_INIT, "grab_windows: done.\n");
9361 }
9362
9363 void
9364 setup_screens(void)
9365 {
9366         int                     i, j, k, num_screens;
9367         struct workspace        *ws;
9368         uint32_t                gcv[1], wa[1];
9369         const xcb_query_extension_reply_t *qep;
9370         xcb_screen_t                            *screen;
9371         xcb_randr_query_version_cookie_t        c;
9372         xcb_randr_query_version_reply_t         *r;
9373
9374         num_screens = get_screen_count();
9375         if ((screens = calloc(num_screens,
9376              sizeof(struct swm_screen))) == NULL)
9377                 err(1, "setup_screens: calloc: failed to allocate memory for "
9378                     "screens");
9379
9380         /* initial Xrandr setup */
9381         xrandr_support = 0;
9382         qep = xcb_get_extension_data(conn, &xcb_randr_id);
9383         if (qep->present) {
9384                 c = xcb_randr_query_version(conn, 1, 1);
9385                 r = xcb_randr_query_version_reply(conn, c, NULL);
9386                 if (r) {
9387                         if (r->major_version >= 1) {
9388                                 xrandr_support = 1;
9389                                 xrandr_eventbase = qep->first_event;
9390                         }
9391                         free(r);
9392                 }
9393         }
9394
9395         wa[0] = cursors[XC_LEFT_PTR].cid;
9396
9397         /* map physical screens */
9398         for (i = 0; i < num_screens; i++) {
9399                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
9400                 screens[i].idx = i;
9401                 screens[i].r_focus = NULL;
9402
9403                 TAILQ_INIT(&screens[i].rl);
9404                 TAILQ_INIT(&screens[i].orl);
9405                 if ((screen = get_screen(i)) == NULL)
9406                         errx(1, "ERROR: can't get screen %d.", i);
9407                 screens[i].root = screen->root;
9408
9409                 /* set default colors */
9410                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
9411                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
9412                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
9413                 setscreencolor("rgb:00/40/40", i + 1,
9414                     SWM_S_COLOR_BAR_BORDER_UNFOCUS);
9415                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
9416                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
9417
9418                 /* create graphics context on screen */
9419                 screens[i].bar_gc = xcb_generate_id(conn);
9420                 gcv[0] = 0;
9421                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
9422                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
9423
9424                 /* set default cursor */
9425                 xcb_change_window_attributes(conn, screens[i].root,
9426                     XCB_CW_CURSOR, wa);
9427
9428                 /* init all workspaces */
9429                 /* XXX these should be dynamically allocated too */
9430                 for (j = 0; j < SWM_WS_MAX; j++) {
9431                         ws = &screens[i].ws[j];
9432                         ws->idx = j;
9433                         ws->name = NULL;
9434                         ws->bar_enabled = 1;
9435                         ws->focus = NULL;
9436                         ws->focus_prev = NULL;
9437                         ws->focus_pending = NULL;
9438                         ws->r = NULL;
9439                         ws->old_r = NULL;
9440                         TAILQ_INIT(&ws->winlist);
9441                         TAILQ_INIT(&ws->unmanagedlist);
9442
9443                         for (k = 0; layouts[k].l_stack != NULL; k++)
9444                                 if (layouts[k].l_config != NULL)
9445                                         layouts[k].l_config(ws,
9446                                             SWM_ARG_ID_STACKINIT);
9447                         ws->cur_layout = &layouts[0];
9448                         ws->cur_layout->l_string(ws);
9449                 }
9450
9451                 scan_xrandr(i);
9452
9453                 if (xrandr_support)
9454                         xcb_randr_select_input(conn, screens[i].root,
9455                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
9456         }
9457 }
9458
9459 void
9460 setup_globals(void)
9461 {
9462         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
9463                 err(1, "setup_globals: strdup: failed to allocate memory.");
9464
9465         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
9466                 err(1, "setup_globals: strdup: failed to allocate memory.");
9467
9468         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
9469                 errx(1, "unable to allocate key symbols");
9470
9471         a_state = get_atom_from_string("WM_STATE");
9472         a_prot = get_atom_from_string("WM_PROTOCOLS");
9473         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
9474         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
9475         a_utf8_string = get_atom_from_string("UTF8_STRING");
9476         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
9477         a_swm_ws = get_atom_from_string("_SWM_WS");
9478 }
9479
9480 void
9481 workaround(void)
9482 {
9483         int                     i, num_screens;
9484         xcb_atom_t              netwmcheck;
9485         xcb_window_t            root, win;
9486
9487         /* work around sun jdk bugs, code from wmname */
9488         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
9489
9490         num_screens = get_screen_count();
9491         for (i = 0; i < num_screens; i++) {
9492                 root = screens[i].root;
9493
9494                 win = xcb_generate_id(conn);
9495                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, root,
9496                     0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
9497                     XCB_COPY_FROM_PARENT, 0, NULL);
9498
9499                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
9500                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
9501                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
9502                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
9503                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
9504                     ewmh[_NET_WM_NAME].atom, a_utf8_string, 8, strlen("LG3D"),
9505                     "LG3D");
9506         }
9507 }
9508
9509 void
9510 shutdown_cleanup(void)
9511 {
9512         int i, num_screens;
9513
9514         /* disable alarm because the following code may not be interrupted */
9515         alarm(0);
9516         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
9517                 err(1, "can't disable alarm");
9518
9519         bar_extra_stop();
9520         unmap_all();
9521
9522         cursors_cleanup();
9523
9524         teardown_ewmh();
9525
9526         num_screens = get_screen_count();
9527         for (i = 0; i < num_screens; ++i) {
9528                 if (screens[i].bar_gc != 0)
9529                         xcb_free_gc(conn, screens[i].bar_gc);
9530                 if (!bar_font_legacy)
9531                         XftColorFree(display, DefaultVisual(display, i),
9532                             DefaultColormap(display, i), &bar_font_color);
9533         }
9534
9535         if (bar_font_legacy)
9536                 XFreeFontSet(display, bar_fs);
9537         else {
9538                 XftFontClose(display, bar_font);
9539         }
9540
9541         xcb_key_symbols_free(syms);
9542         xcb_flush(conn);
9543         xcb_disconnect(conn);
9544 }
9545
9546 void
9547 event_error(xcb_generic_error_t *e)
9548 {
9549         (void)e;
9550
9551         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
9552             "resource_id: %u, minor_code: %u\n",
9553             xcb_event_get_error_label(e->error_code), e->error_code,
9554             xcb_event_get_request_label(e->major_code), e->major_code,
9555             e->sequence, e->resource_id, e->minor_code);
9556 }
9557
9558 void
9559 event_handle(xcb_generic_event_t *evt)
9560 {
9561         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
9562
9563         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d), seq %u\n",
9564             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
9565             XCB_EVENT_RESPONSE_TYPE(evt), evt->sequence);
9566
9567         switch (type) {
9568 #define EVENT(type, callback) case type: callback((void *)evt); return
9569         EVENT(0, event_error);
9570         EVENT(XCB_BUTTON_PRESS, buttonpress);
9571         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
9572         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
9573         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
9574         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
9575         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
9576         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
9577         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
9578         /*EVENT(XCB_CREATE_NOTIFY, );*/
9579         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
9580         EVENT(XCB_ENTER_NOTIFY, enternotify);
9581         EVENT(XCB_EXPOSE, expose);
9582 #ifdef SWM_DEBUG
9583         EVENT(XCB_FOCUS_IN, focusin);
9584         EVENT(XCB_FOCUS_OUT, focusout);
9585 #endif
9586         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
9587         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
9588         EVENT(XCB_KEY_PRESS, keypress);
9589         /*EVENT(XCB_KEY_RELEASE, keypress);*/
9590         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
9591 #ifdef SWM_DEBUG
9592         EVENT(XCB_LEAVE_NOTIFY, leavenotify);
9593 #endif
9594         EVENT(XCB_MAP_NOTIFY, mapnotify);
9595         EVENT(XCB_MAP_REQUEST, maprequest);
9596         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
9597         EVENT(XCB_MOTION_NOTIFY, motionnotify);
9598         /*EVENT(XCB_NO_EXPOSURE, );*/
9599         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
9600         /*EVENT(XCB_REPARENT_NOTIFY, );*/
9601         /*EVENT(XCB_RESIZE_REQUEST, );*/
9602         /*EVENT(XCB_SELECTION_CLEAR, );*/
9603         /*EVENT(XCB_SELECTION_NOTIFY, );*/
9604         /*EVENT(XCB_SELECTION_REQUEST, );*/
9605         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
9606         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
9607 #undef EVENT
9608         }
9609         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
9610                 screenchange((void *)evt);
9611 }
9612
9613 int
9614 main(int argc, char *argv[])
9615 {
9616         struct swm_region       *r;
9617         char                    conf[PATH_MAX], *cfile = NULL;
9618         struct stat             sb;
9619         int                     xfd, i, num_screens, startup = 1;
9620         struct sigaction        sact;
9621         xcb_generic_event_t     *evt;
9622         struct timeval          tv;
9623         fd_set                  rd;
9624         int                     rd_max;
9625         int                     stdin_ready = 0;
9626         int                     num_readable;
9627
9628         /* suppress unused warning since var is needed */
9629         (void)argc;
9630
9631         time_started = time(NULL);
9632
9633         start_argv = argv;
9634         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
9635         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
9636                 warnx("no locale support");
9637
9638         /* handle some signals */
9639         bzero(&sact, sizeof(sact));
9640         sigemptyset(&sact.sa_mask);
9641         sact.sa_flags = 0;
9642         sact.sa_handler = sighdlr;
9643         sigaction(SIGINT, &sact, NULL);
9644         sigaction(SIGQUIT, &sact, NULL);
9645         sigaction(SIGTERM, &sact, NULL);
9646         sigaction(SIGHUP, &sact, NULL);
9647
9648         sact.sa_handler = sighdlr;
9649         sact.sa_flags = SA_NOCLDSTOP;
9650         sigaction(SIGCHLD, &sact, NULL);
9651
9652         if (!(display = XOpenDisplay(0)))
9653                 errx(1, "can not open display");
9654
9655         conn = XGetXCBConnection(display);
9656         if (xcb_connection_has_error(conn))
9657                 errx(1, "can not get XCB connection");
9658
9659         XSetEventQueueOwner(display, XCBOwnsEventQueue);
9660
9661         xcb_prefetch_extension_data(conn, &xcb_randr_id);
9662         xfd = xcb_get_file_descriptor(conn);
9663
9664         /* look for local and global conf file */
9665         pwd = getpwuid(getuid());
9666         if (pwd == NULL)
9667                 errx(1, "invalid user: %d", getuid());
9668
9669         xcb_grab_server(conn);
9670         xcb_aux_sync(conn);
9671
9672         /* flush all events */
9673         while ((evt = xcb_poll_for_event(conn))) {
9674                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
9675                         event_handle(evt);
9676                 free(evt);
9677         }
9678
9679         if (enable_wm() != 0)
9680                 errx(1, "another window manager is currently running");
9681
9682         /* Load Xcursors and/or cursorfont glyph cursors. */
9683         cursors_load();
9684
9685         xcb_aux_sync(conn);
9686
9687         setup_globals();
9688         setup_screens();
9689         setup_keys();
9690         setup_quirks();
9691         setup_spawn();
9692
9693         /* load config */
9694         for (i = 0; ; i++) {
9695                 conf[0] = '\0';
9696                 switch (i) {
9697                 case 0:
9698                         /* ~ */
9699                         snprintf(conf, sizeof conf, "%s/.%s",
9700                             pwd->pw_dir, SWM_CONF_FILE);
9701                         break;
9702                 case 1:
9703                         /* global */
9704                         snprintf(conf, sizeof conf, "/etc/%s",
9705                             SWM_CONF_FILE);
9706                         break;
9707                 case 2:
9708                         /* ~ compat */
9709                         snprintf(conf, sizeof conf, "%s/.%s",
9710                             pwd->pw_dir, SWM_CONF_FILE_OLD);
9711                         break;
9712                 case 3:
9713                         /* global compat */
9714                         snprintf(conf, sizeof conf, "/etc/%s",
9715                             SWM_CONF_FILE_OLD);
9716                         break;
9717                 default:
9718                         goto noconfig;
9719                 }
9720
9721                 if (strlen(conf) && stat(conf, &sb) != -1)
9722                         if (S_ISREG(sb.st_mode)) {
9723                                 cfile = conf;
9724                                 break;
9725                         }
9726         }
9727 noconfig:
9728
9729         /* load conf (if any) */
9730         if (cfile)
9731                 conf_load(cfile, SWM_CONF_DEFAULT);
9732
9733         validate_spawns();
9734
9735         setup_ewmh();
9736         /* set some values to work around bad programs */
9737         workaround();
9738         /* grab existing windows (before we build the bars) */
9739         grab_windows();
9740
9741         if (getenv("SWM_STARTED") == NULL)
9742                 setenv("SWM_STARTED", "YES", 1);
9743
9744         /* setup all bars */
9745         num_screens = get_screen_count();
9746         for (i = 0; i < num_screens; i++)
9747                 TAILQ_FOREACH(r, &screens[i].rl, entry)
9748                         bar_setup(r);
9749
9750         grabkeys();
9751         stack();
9752         bar_draw();
9753
9754         xcb_ungrab_server(conn);
9755         xcb_flush(conn);
9756
9757         rd_max = xfd > STDIN_FILENO ? xfd : STDIN_FILENO;
9758
9759         while (running) {
9760                 while ((evt = xcb_poll_for_event(conn))) {
9761                         if (!running)
9762                                 goto done;
9763                         event_handle(evt);
9764                         free(evt);
9765                 }
9766
9767                 /* If just (re)started, set default focus if needed. */
9768                 if (startup) {
9769                         startup = 0;
9770
9771                         if (focus_mode != SWM_FOCUS_FOLLOW) {
9772                                 r = TAILQ_FIRST(&screens[0].rl);
9773                                 if (r) {
9774                                         focus_region(r);
9775                                         focus_flush();
9776                                 }
9777                                 continue;
9778                         }
9779                 }
9780
9781                 FD_ZERO(&rd);
9782
9783                 if (bar_extra)
9784                         FD_SET(STDIN_FILENO, &rd);
9785
9786                 FD_SET(xfd, &rd);
9787                 tv.tv_sec = 1;
9788                 tv.tv_usec = 0;
9789                 num_readable = select(rd_max + 1, &rd, NULL, NULL, &tv);
9790                 if (num_readable == -1 && errno != EINTR) {
9791                         DNPRINTF(SWM_D_MISC, "select failed");
9792                 } else if (num_readable > 0 && FD_ISSET(STDIN_FILENO, &rd)) {
9793                         stdin_ready = 1;
9794                 }
9795
9796                 if (restart_wm)
9797                         restart(NULL, NULL);
9798
9799                 if (search_resp)
9800                         search_do_resp();
9801
9802                 if (!running)
9803                         goto done;
9804
9805                 if (stdin_ready) {
9806                         stdin_ready = 0;
9807                         bar_extra_update();
9808                 }
9809
9810                 bar_draw();
9811                 xcb_flush(conn);
9812         }
9813 done:
9814         shutdown_cleanup();
9815
9816         return (0);
9817 }