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 <regex.h>
  85 #include <signal.h>
  86 #include <stdio.h>
  87 #include <stdlib.h>
  88 #include <string.h>
  89 #include <time.h>
  90 #include <unistd.h>
  91 #include <util.h>
  92 #include <X11/cursorfont.h>
  93 #include <X11/extensions/Xrandr.h>
  94 #include <X11/Xcursor/Xcursor.h>
  95 #include <X11/Xft/Xft.h>
  96 #include <X11/Xlib-xcb.h>
  97 #include <xcb/xcb_atom.h>
  98 #include <xcb/xcb_aux.h>
  99 #include <xcb/xcb_event.h>
 100 #include <xcb/xcb_icccm.h>
 101 #include <xcb/xcb_keysyms.h>
 102 #include <xcb/xtest.h>
 103 #include <xcb/randr.h>
 104
 105 /* local includes */
 106 #include "version.h"
 107 #ifdef __OSX__
 108 #include <osx.h>
 109 #endif
 110
 111 #ifdef SPECTRWM_BUILDSTR
 112 static const char       *buildstr = SPECTRWM_BUILDSTR;
 113 #else
 114 static const char       *buildstr = SPECTRWM_VERSION;
 115 #endif
 116
 117 #if !defined(__CYGWIN__) /* cygwin chokes on xrandr stuff */
 118 #  if RANDR_MAJOR < 1
 119 #    error XRandR versions less than 1.0 are not supported
 120 #endif
 121
 122 #  if RANDR_MAJOR >= 1
 123 #    if RANDR_MINOR >= 2
 124 #      define SWM_XRR_HAS_CRTC
 125 #    endif
 126 #  endif
 127 #endif /* __CYGWIN__ */
 128
 129 #ifndef XCB_ICCCM_NUM_WM_HINTS_ELEMENTS
 130 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 131 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 132 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 133 #define XCB_ICCCM_WM_HINT_INPUT                 XCB_WM_HINT_INPUT
 134 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 135 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 136 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 137 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 138 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 139 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 140 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 141 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 142 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 143 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 144 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 145 #define xcb_icccm_wm_hints_get_urgency          xcb_wm_hints_get_urgency
 146 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 147 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 148 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 149 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 150 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 151 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 152 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 153 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 154 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 155 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 156 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 157 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 158 #endif
 159
 160 /*#define SWM_DEBUG*/
 161 #ifdef SWM_DEBUG
 162 #define DPRINTF(x...) do {                                                      \
 163         if (swm_debug)                                                          \
 164                 fprintf(stderr, x);                                             \
 165 } while (0)
 166 #define DNPRINTF(n,x...) do {                                                   \
 167         if (swm_debug & n) {                                                    \
 168                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 169                 fprintf(stderr, x);                                             \
 170         }                                                                       \
 171 } while (0)
 172 #define SWM_D_MISC              0x0001
 173 #define SWM_D_EVENT             0x0002
 174 #define SWM_D_WS                0x0004
 175 #define SWM_D_FOCUS             0x0008
 176 #define SWM_D_MOVE              0x0010
 177 #define SWM_D_STACK             0x0020
 178 #define SWM_D_MOUSE             0x0040
 179 #define SWM_D_PROP              0x0080
 180 #define SWM_D_CLASS             0x0100
 181 #define SWM_D_KEY               0x0200
 182 #define SWM_D_QUIRK             0x0400
 183 #define SWM_D_SPAWN             0x0800
 184 #define SWM_D_EVENTQ            0x1000
 185 #define SWM_D_CONF              0x2000
 186 #define SWM_D_BAR               0x4000
 187 #define SWM_D_INIT              0x8000
 188
 189 u_int32_t               swm_debug = 0
 190                             | SWM_D_MISC
 191                             | SWM_D_EVENT
 192                             | SWM_D_WS
 193                             | SWM_D_FOCUS
 194                             | SWM_D_MOVE
 195                             | SWM_D_STACK
 196                             | SWM_D_MOUSE
 197                             | SWM_D_PROP
 198                             | SWM_D_CLASS
 199                             | SWM_D_KEY
 200                             | SWM_D_QUIRK
 201                             | SWM_D_SPAWN
 202                             | SWM_D_EVENTQ
 203                             | SWM_D_CONF
 204                             | SWM_D_BAR
 205                             | SWM_D_INIT
 206                             ;
 207 #else
 208 #define DPRINTF(x...)
 209 #define DNPRINTF(n,x...)
 210 #endif
 211
 212 /* convert 8-bit to 16-bit */
 213 #define RGB_8_TO_16(col)        ((col) << 8) + (col)
 214
 215 #define PIXEL_TO_XRENDERCOLOR(px, xrc)                                  \
 216         xrc.red = RGB_8_TO_16((px) >> 16 & 0xff);                       \
 217         xrc.green = RGB_8_TO_16((px) >> 8 & 0xff);                      \
 218         xrc.blue = RGB_8_TO_16((px) & 0xff);                            \
 219         xrc.alpha = 0xffff;
 220
 221 #define LENGTH(x)               (int)(sizeof (x) / sizeof (x)[0])
 222 #define MODKEY                  XCB_MOD_MASK_1
 223 #define CLEANMASK(mask)         ((mask) & ~(numlockmask | XCB_MOD_MASK_LOCK))
 224 #define BUTTONMASK              (XCB_EVENT_MASK_BUTTON_PRESS |          \
 225     XCB_EVENT_MASK_BUTTON_RELEASE)
 226 #define MOUSEMASK               (BUTTONMASK|XCB_EVENT_MASK_POINTER_MOTION)
 227 #define SWM_PROPLEN             (16)
 228 #define SWM_FUNCNAME_LEN        (32)
 229 #define SWM_KEYS_LEN            (255)
 230 #define SWM_QUIRK_LEN           (64)
 231 #define X(r)                    (r)->g.x
 232 #define Y(r)                    (r)->g.y
 233 #define WIDTH(r)                (r)->g.w
 234 #define HEIGHT(r)               (r)->g.h
 235 #define BORDER(w)               ((w)->bordered ? border_width : 0)
 236 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 237 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 238 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 239 #define SH_MIN_W(w)             (w)->sh.min_width
 240 #define SH_MIN_H(w)             (w)->sh.min_height
 241 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 242 #define SH_MAX_W(w)             (w)->sh.max_width
 243 #define SH_MAX_H(w)             (w)->sh.max_height
 244 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 245 #define SH_INC_W(w)             (w)->sh.width_inc
 246 #define SH_INC_H(w)             (w)->sh.height_inc
 247 #define SWM_MAX_FONT_STEPS      (3)
 248 #define WINID(w)                ((w) ? (w)->id : XCB_WINDOW_NONE)
 249 #define WS_FOCUSED(ws)          ((ws)->r && (ws)->r->s->r_focus == (ws)->r)
 250 #define YESNO(x)                ((x) ? "yes" : "no")
 251
 252 /* Constrain Window flags */
 253 #define SWM_CW_RESIZABLE        (0x01)
 254 #define SWM_CW_SOFTBOUNDARY     (0x02)
 255 #define SWM_CW_HARDBOUNDARY     (0x04)
 256 #define SWM_CW_RIGHT            (0x10)
 257 #define SWM_CW_LEFT             (0x20)
 258 #define SWM_CW_BOTTOM           (0x40)
 259 #define SWM_CW_TOP              (0x80)
 260 #define SWM_CW_ALLSIDES         (0xf0)
 261
 262 #define SWM_FOCUS_DEFAULT       (0)
 263 #define SWM_FOCUS_FOLLOW        (1)
 264 #define SWM_FOCUS_MANUAL        (2)
 265
 266 #define SWM_CK_NONE             0
 267 #define SWM_CK_ALL              0xf
 268 #define SWM_CK_FOCUS            0x1
 269 #define SWM_CK_POINTER          0x2
 270 #define SWM_CK_FALLBACK         0x4
 271 #define SWM_CK_REGION           0x8
 272
 273 #define SWM_CONF_DEFAULT        (0)
 274 #define SWM_CONF_KEYMAPPING     (1)
 275
 276 #ifndef SWM_LIB
 277 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 278 #endif
 279
 280 char                    **start_argv;
 281 xcb_atom_t              a_state;
 282 xcb_atom_t              a_prot;
 283 xcb_atom_t              a_delete;
 284 xcb_atom_t              a_takefocus;
 285 xcb_atom_t              a_utf8_string;
 286 xcb_atom_t              a_swm_iconic;
 287 xcb_atom_t              a_swm_ws;
 288 volatile sig_atomic_t   running = 1;
 289 volatile sig_atomic_t   restart_wm = 0;
 290 xcb_timestamp_t         last_event_time = 0;
 291 int                     outputs = 0;
 292 int                     other_wm;
 293 int                     xrandr_support;
 294 int                     xrandr_eventbase;
 295 unsigned int            numlockmask = 0;
 296
 297 Display                 *display;
 298 xcb_connection_t        *conn;
 299 xcb_key_symbols_t       *syms;
 300
 301 int                     boundary_width = 50;
 302 int                     cycle_empty = 0;
 303 int                     cycle_visible = 0;
 304 int                     term_width = 0;
 305 int                     font_adjusted = 0;
 306 unsigned int            mod_key = MODKEY;
 307
 308 /* dmenu search */
 309 struct swm_region       *search_r;
 310 int                     select_list_pipe[2];
 311 int                     select_resp_pipe[2];
 312 pid_t                   searchpid;
 313 volatile sig_atomic_t   search_resp;
 314 int                     search_resp_action;
 315
 316 struct search_window {
 317         TAILQ_ENTRY(search_window)      entry;
 318         int                             idx;
 319         struct ws_win                   *win;
 320         xcb_gcontext_t                  gc;
 321         xcb_window_t                    indicator;
 322 };
 323 TAILQ_HEAD(search_winlist, search_window);
 324 struct search_winlist                   search_wl;
 325
 326 /* search actions */
 327 enum {
 328         SWM_SEARCH_NONE,
 329         SWM_SEARCH_UNICONIFY,
 330         SWM_SEARCH_NAME_WORKSPACE,
 331         SWM_SEARCH_SEARCH_WORKSPACE,
 332         SWM_SEARCH_SEARCH_WINDOW
 333 };
 334
 335 #define SWM_STACK_TOP           (0)
 336 #define SWM_STACK_BOTTOM        (1)
 337 #define SWM_STACK_ABOVE         (2)
 338 #define SWM_STACK_BELOW         (3)
 339
 340 /* dialog windows */
 341 double                  dialog_ratio = 0.6;
 342 /* status bar */
 343 #define SWM_BAR_MAX             (256)
 344 #define SWM_BAR_JUSTIFY_LEFT    (0)
 345 #define SWM_BAR_JUSTIFY_CENTER  (1)
 346 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 347 #define SWM_BAR_OFFSET          (4)
 348 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-12-*-*-*-*-*-*-*," \
 349                                 "-*-profont-*-*-*-*-12-*-*-*-*-*-*-*,"      \
 350                                 "-*-times-medium-r-*-*-12-*-*-*-*-*-*-*,"    \
 351                                 "-misc-fixed-medium-r-*-*-12-*-*-*-*-*-*-*,"  \
 352                                 "-*-*-*-r-*-*-*-*-*-*-*-*-*-*"
 353
 354 #ifdef X_HAVE_UTF8_STRING
 355 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 356 #else
 357 #define DRAWSTRING(x...)        XmbDrawString(x)
 358 #endif
 359
 360 char            *bar_argv[] = { NULL, NULL };
 361 int              bar_pipe[2];
 362 char             bar_ext[SWM_BAR_MAX];
 363 char             bar_ext_buf[SWM_BAR_MAX];
 364 char             bar_vertext[SWM_BAR_MAX];
 365 int              bar_version = 0;
 366 int              bar_enabled = 1;
 367 int              bar_border_width = 1;
 368 int              bar_at_bottom = 0;
 369 int              bar_extra = 0;
 370 int              bar_verbose = 1;
 371 int              bar_height = 0;
 372 int              bar_justify = SWM_BAR_JUSTIFY_LEFT;
 373 char             *bar_format = NULL;
 374 int              stack_enabled = 1;
 375 int              clock_enabled = 1;
 376 int              iconic_enabled = 0;
 377 int              urgent_enabled = 0;
 378 char            *clock_format = NULL;
 379 int              window_class_enabled = 0;
 380 int              window_instance_enabled = 0;
 381 int              window_name_enabled = 0;
 382 int              focus_mode = SWM_FOCUS_DEFAULT;
 383 int              focus_close = SWM_STACK_BELOW;
 384 int              focus_close_wrap = 1;
 385 int              focus_default = SWM_STACK_TOP;
 386 int              spawn_position = SWM_STACK_TOP;
 387 int              disable_border = 0;
 388 int              border_width = 1;
 389 int              region_padding = 0;
 390 int              tile_gap = 0;
 391 int              verbose_layout = 0;
 392 time_t           time_started;
 393 pid_t            bar_pid;
 394 XFontSet         bar_fs;
 395 XFontSetExtents *bar_fs_extents;
 396 XftFont         *bar_font;
 397 int              bar_font_legacy = 1;
 398 char            *bar_fonts;
 399 XftColor         bar_font_color;
 400 struct passwd   *pwd;
 401 char            *startup_exception;
 402 unsigned int     nr_exceptions = 0;
 403
 404 /* layout manager data */
 405 struct swm_geometry {
 406         int                     x;
 407         int                     y;
 408         int                     w;
 409         int                     h;
 410 };
 411
 412 struct swm_screen;
 413 struct workspace;
 414
 415 struct swm_bar {
 416         xcb_window_t            id;
 417         xcb_pixmap_t            buffer;
 418         struct swm_geometry     g;
 419 };
 420
 421 /* virtual "screens" */
 422 struct swm_region {
 423         TAILQ_ENTRY(swm_region) entry;
 424         xcb_window_t            id;
 425         struct swm_geometry     g;
 426         struct workspace        *ws;    /* current workspace on this region */
 427         struct workspace        *ws_prior; /* prior workspace on this region */
 428         struct swm_screen       *s;     /* screen idx */
 429         struct swm_bar          *bar;
 430 };
 431 TAILQ_HEAD(swm_region_list, swm_region);
 432
 433 struct ws_win {
 434         TAILQ_ENTRY(ws_win)     entry;
 435         xcb_window_t            id;
 436         xcb_window_t            transient;
 437         struct ws_win           *focus_child;   /* focus on child transient */
 438         struct swm_geometry     g;              /* current geometry */
 439         struct swm_geometry     g_float;        /* region coordinates */
 440         int                     g_floatvalid;   /* g_float geometry validity */
 441         int                     floatmaxed;     /* whether maxed by max_stack */
 442         int                     floating;
 443         int                     manual;
 444         int32_t                 mapped;
 445         int32_t                 iconic;
 446         int                     bordered;
 447         unsigned int            ewmh_flags;
 448         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 449         int                     font_steps;
 450         int                     last_inc;
 451         int                     can_delete;
 452         int                     take_focus;
 453         int                     java;
 454         unsigned long           quirks;
 455         struct workspace        *ws;    /* always valid */
 456         struct swm_screen       *s;     /* always valid, never changes */
 457         xcb_size_hints_t        sh;
 458         xcb_icccm_get_wm_class_reply_t  ch;
 459         xcb_icccm_wm_hints_t    hints;
 460 };
 461 TAILQ_HEAD(ws_win_list, ws_win);
 462
 463 /* pid goo */
 464 struct pid_e {
 465         TAILQ_ENTRY(pid_e)      entry;
 466         pid_t                   pid;
 467         int                     ws;
 468 };
 469 TAILQ_HEAD(pid_list, pid_e);
 470 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 471
 472 /* layout handlers */
 473 void    stack(void);
 474 void    vertical_config(struct workspace *, int);
 475 void    vertical_stack(struct workspace *, struct swm_geometry *);
 476 void    horizontal_config(struct workspace *, int);
 477 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 478 void    max_stack(struct workspace *, struct swm_geometry *);
 479 void    plain_stacker(struct workspace *);
 480 void    fancy_stacker(struct workspace *);
 481
 482 struct layout {
 483         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 484         void            (*l_config)(struct workspace *, int);
 485         u_int32_t       flags;
 486 #define SWM_L_FOCUSPREV         (1<<0)
 487 #define SWM_L_MAPONFOCUS        (1<<1)
 488         void            (*l_string)(struct workspace *);
 489 } layouts[] =  {
 490         /* stack,               configure */
 491         { vertical_stack,       vertical_config,        0,      plain_stacker },
 492         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 493         { max_stack,            NULL,
 494           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 495         { NULL,                 NULL,                   0,      NULL  },
 496 };
 497
 498 /* position of max_stack mode in the layouts array, index into layouts! */
 499 #define SWM_V_STACK             (0)
 500 #define SWM_H_STACK             (1)
 501 #define SWM_MAX_STACK           (2)
 502
 503 #define SWM_H_SLICE             (32)
 504 #define SWM_V_SLICE             (32)
 505
 506 /* define work spaces */
 507 struct workspace {
 508         int                     idx;            /* workspace index */
 509         char                    *name;          /* workspace name */
 510         int                     always_raise;   /* raise windows on focus */
 511         int                     bar_enabled;    /* bar visibility */
 512         struct layout           *cur_layout;    /* current layout handlers */
 513         struct ws_win           *focus;         /* may be NULL */
 514         struct ws_win           *focus_prev;    /* may be NULL */
 515         struct ws_win           *focus_pending; /* may be NULL */
 516         struct swm_region       *r;             /* may be NULL */
 517         struct swm_region       *old_r;         /* may be NULL */
 518         struct ws_win_list      winlist;        /* list of windows in ws */
 519         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 520         char                    stacker[10];    /* display stacker and layout */
 521
 522         /* stacker state */
 523         struct {
 524                                 int horizontal_msize;
 525                                 int horizontal_mwin;
 526                                 int horizontal_stacks;
 527                                 int horizontal_flip;
 528                                 int vertical_msize;
 529                                 int vertical_mwin;
 530                                 int vertical_stacks;
 531                                 int vertical_flip;
 532         } l_state;
 533 };
 534
 535 enum {
 536         SWM_S_COLOR_BAR,
 537         SWM_S_COLOR_BAR_BORDER,
 538         SWM_S_COLOR_BAR_BORDER_UNFOCUS,
 539         SWM_S_COLOR_BAR_FONT,
 540         SWM_S_COLOR_FOCUS,
 541         SWM_S_COLOR_UNFOCUS,
 542         SWM_S_COLOR_MAX
 543 };
 544
 545 /* physical screen mapping */
 546 #define SWM_WS_MAX              (22)    /* hard limit */
 547 int             workspace_limit = 10;   /* soft limit */
 548
 549 struct swm_screen {
 550         int                     idx;    /* screen index */
 551         struct swm_region_list  rl;     /* list of regions on this screen */
 552         struct swm_region_list  orl;    /* list of old regions */
 553         xcb_window_t            root;
 554         struct workspace        ws[SWM_WS_MAX];
 555         struct swm_region       *r_focus;
 556
 557         /* colors */
 558         struct {
 559                 uint32_t        pixel;
 560                 char            *name;
 561         } c[SWM_S_COLOR_MAX];
 562
 563         xcb_gcontext_t          bar_gc;
 564         GC                      bar_gc_legacy;
 565 };
 566 struct swm_screen       *screens;
 567
 568 /* args to functions */
 569 union arg {
 570         int                     id;
 571 #define SWM_ARG_ID_FOCUSNEXT    (0)
 572 #define SWM_ARG_ID_FOCUSPREV    (1)
 573 #define SWM_ARG_ID_FOCUSMAIN    (2)
 574 #define SWM_ARG_ID_FOCUSURGENT  (3)
 575 #define SWM_ARG_ID_SWAPNEXT     (10)
 576 #define SWM_ARG_ID_SWAPPREV     (11)
 577 #define SWM_ARG_ID_SWAPMAIN     (12)
 578 #define SWM_ARG_ID_MOVELAST     (13)
 579 #define SWM_ARG_ID_MASTERSHRINK (20)
 580 #define SWM_ARG_ID_MASTERGROW   (21)
 581 #define SWM_ARG_ID_MASTERADD    (22)
 582 #define SWM_ARG_ID_MASTERDEL    (23)
 583 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 584 #define SWM_ARG_ID_STACKRESET   (30)
 585 #define SWM_ARG_ID_STACKINIT    (31)
 586 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 587 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 588 #define SWM_ARG_ID_CYCLERG_UP   (42)
 589 #define SWM_ARG_ID_CYCLERG_DOWN (43)
 590 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 591 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 592 #define SWM_ARG_ID_CYCLEWS_MOVE_UP      (46)
 593 #define SWM_ARG_ID_CYCLEWS_MOVE_DOWN    (47)
 594 #define SWM_ARG_ID_STACKINC     (50)
 595 #define SWM_ARG_ID_STACKDEC     (51)
 596 #define SWM_ARG_ID_SS_ALL       (60)
 597 #define SWM_ARG_ID_SS_WINDOW    (61)
 598 #define SWM_ARG_ID_DONTCENTER   (70)
 599 #define SWM_ARG_ID_CENTER       (71)
 600 #define SWM_ARG_ID_KILLWINDOW   (80)
 601 #define SWM_ARG_ID_DELETEWINDOW (81)
 602 #define SWM_ARG_ID_WIDTHGROW    (90)
 603 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 604 #define SWM_ARG_ID_HEIGHTGROW   (92)
 605 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 606 #define SWM_ARG_ID_MOVEUP       (100)
 607 #define SWM_ARG_ID_MOVEDOWN     (101)
 608 #define SWM_ARG_ID_MOVELEFT     (102)
 609 #define SWM_ARG_ID_MOVERIGHT    (103)
 610 #define SWM_ARG_ID_BAR_TOGGLE   (110)
 611 #define SWM_ARG_ID_BAR_TOGGLE_WS        (111)
 612         char                    **argv;
 613 };
 614
 615 /* quirks */
 616 struct quirk {
 617         TAILQ_ENTRY(quirk)      entry;
 618         char                    *class;         /* WM_CLASS:class */
 619         char                    *instance;      /* WM_CLASS:instance */
 620         char                    *name;          /* WM_NAME */
 621         regex_t                 regex_class;
 622         regex_t                 regex_instance;
 623         regex_t                 regex_name;
 624         unsigned long           quirk;
 625 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 626 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 627 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 628 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 629 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 630 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 631 #define SWM_Q_NOFOCUSONMAP      (1<<6)  /* Don't focus on window when mapped. */
 632 #define SWM_Q_FOCUSONMAP_SINGLE (1<<7)  /* Only focus if single win of type. */
 633 };
 634 TAILQ_HEAD(quirk_list, quirk);
 635 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 636
 637 /*
 638  * Supported EWMH hints should be added to
 639  * both the enum and the ewmh array
 640  */
 641 enum {
 642         _NET_ACTIVE_WINDOW,
 643         _NET_CLOSE_WINDOW,
 644         _NET_MOVERESIZE_WINDOW,
 645         _NET_WM_ACTION_ABOVE,
 646         _NET_WM_ACTION_CLOSE,
 647         _NET_WM_ACTION_FULLSCREEN,
 648         _NET_WM_ACTION_MOVE,
 649         _NET_WM_ACTION_RESIZE,
 650         _NET_WM_ALLOWED_ACTIONS,
 651         _NET_WM_NAME,
 652         _NET_WM_STATE,
 653         _NET_WM_STATE_ABOVE,
 654         _NET_WM_STATE_FULLSCREEN,
 655         _NET_WM_STATE_HIDDEN,
 656         _NET_WM_STATE_MAXIMIZED_HORZ,
 657         _NET_WM_STATE_MAXIMIZED_VERT,
 658         _NET_WM_STATE_SKIP_PAGER,
 659         _NET_WM_STATE_SKIP_TASKBAR,
 660         _NET_WM_WINDOW_TYPE,
 661         _NET_WM_WINDOW_TYPE_DIALOG,
 662         _NET_WM_WINDOW_TYPE_DOCK,
 663         _NET_WM_WINDOW_TYPE_NORMAL,
 664         _NET_WM_WINDOW_TYPE_SPLASH,
 665         _NET_WM_WINDOW_TYPE_TOOLBAR,
 666         _NET_WM_WINDOW_TYPE_UTILITY,
 667         _SWM_WM_STATE_MANUAL,
 668         SWM_EWMH_HINT_MAX
 669 };
 670
 671 struct ewmh_hint {
 672         char            *name;
 673         xcb_atom_t      atom;
 674 } ewmh[SWM_EWMH_HINT_MAX] =     {
 675     /* must be in same order as in the enum */
 676     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 677     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 678     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 679     {"_NET_WM_ACTION_ABOVE", XCB_ATOM_NONE},
 680     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 681     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 682     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 683     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 684     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 685     {"_NET_WM_NAME", XCB_ATOM_NONE},
 686     {"_NET_WM_STATE", XCB_ATOM_NONE},
 687     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 688     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 689     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 690     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 691     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 692     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 693     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 694     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 695     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 696     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 697     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 698     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 699     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 700     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 701     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 702 };
 703
 704 /* Cursors */
 705 enum {
 706         XC_FLEUR,
 707         XC_LEFT_PTR,
 708         XC_BOTTOM_LEFT_CORNER,
 709         XC_BOTTOM_RIGHT_CORNER,
 710         XC_SIZING,
 711         XC_TOP_LEFT_CORNER,
 712         XC_TOP_RIGHT_CORNER,
 713         XC_MAX
 714 };
 715
 716 struct cursors {
 717         char            *name; /* Name used by Xcursor .*/
 718         uint8_t         cf_char; /* cursorfont index. */
 719         xcb_cursor_t    cid;
 720 } cursors[XC_MAX] =     {
 721         {"fleur", XC_fleur, XCB_CURSOR_NONE},
 722         {"left_ptr", XC_left_ptr, XCB_CURSOR_NONE},
 723         {"bottom_left_corner", XC_bottom_left_corner, XCB_CURSOR_NONE},
 724         {"bottom_right_corner", XC_bottom_right_corner, XCB_CURSOR_NONE},
 725         {"sizing", XC_sizing, XCB_CURSOR_NONE},
 726         {"top_left_corner", XC_top_left_corner, XCB_CURSOR_NONE},
 727         {"top_right_corner", XC_top_right_corner, XCB_CURSOR_NONE},
 728 };
 729
 730 #define SWM_SPAWN_OPTIONAL              0x1
 731
 732 /* spawn */
 733 struct spawn_prog {
 734         TAILQ_ENTRY(spawn_prog) entry;
 735         char                    *name;
 736         int                     argc;
 737         char                    **argv;
 738         int                     flags;
 739 };
 740 TAILQ_HEAD(spawn_list, spawn_prog);
 741 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
 742
 743 /* user/key callable function IDs */
 744 enum keyfuncid {
 745         KF_BAR_TOGGLE,
 746         KF_BAR_TOGGLE_WS,
 747         KF_BUTTON2,
 748         KF_CYCLE_LAYOUT,
 749         KF_FLIP_LAYOUT,
 750         KF_FLOAT_TOGGLE,
 751         KF_FOCUS_MAIN,
 752         KF_FOCUS_NEXT,
 753         KF_FOCUS_PREV,
 754         KF_FOCUS_URGENT,
 755         KF_HEIGHT_GROW,
 756         KF_HEIGHT_SHRINK,
 757         KF_ICONIFY,
 758         KF_MASTER_SHRINK,
 759         KF_MASTER_GROW,
 760         KF_MASTER_ADD,
 761         KF_MASTER_DEL,
 762         KF_MOVE_DOWN,
 763         KF_MOVE_LEFT,
 764         KF_MOVE_RIGHT,
 765         KF_MOVE_UP,
 766         KF_MVRG_1,
 767         KF_MVRG_2,
 768         KF_MVRG_3,
 769         KF_MVRG_4,
 770         KF_MVRG_5,
 771         KF_MVRG_6,
 772         KF_MVRG_7,
 773         KF_MVRG_8,
 774         KF_MVRG_9,
 775         KF_MVWS_1,
 776         KF_MVWS_2,
 777         KF_MVWS_3,
 778         KF_MVWS_4,
 779         KF_MVWS_5,
 780         KF_MVWS_6,
 781         KF_MVWS_7,
 782         KF_MVWS_8,
 783         KF_MVWS_9,
 784         KF_MVWS_10,
 785         KF_MVWS_11,
 786         KF_MVWS_12,
 787         KF_MVWS_13,
 788         KF_MVWS_14,
 789         KF_MVWS_15,
 790         KF_MVWS_16,
 791         KF_MVWS_17,
 792         KF_MVWS_18,
 793         KF_MVWS_19,
 794         KF_MVWS_20,
 795         KF_MVWS_21,
 796         KF_MVWS_22,
 797         KF_NAME_WORKSPACE,
 798         KF_QUIT,
 799         KF_RAISE_TOGGLE,
 800         KF_RESTART,
 801         KF_RG_1,
 802         KF_RG_2,
 803         KF_RG_3,
 804         KF_RG_4,
 805         KF_RG_5,
 806         KF_RG_6,
 807         KF_RG_7,
 808         KF_RG_8,
 809         KF_RG_9,
 810         KF_RG_NEXT,
 811         KF_RG_PREV,
 812         KF_SCREEN_NEXT,
 813         KF_SCREEN_PREV,
 814         KF_SEARCH_WIN,
 815         KF_SEARCH_WORKSPACE,
 816         KF_SPAWN_CUSTOM,
 817         KF_STACK_INC,
 818         KF_STACK_DEC,
 819         KF_STACK_RESET,
 820         KF_SWAP_MAIN,
 821         KF_SWAP_NEXT,
 822         KF_SWAP_PREV,
 823         KF_UNICONIFY,
 824         KF_VERSION,
 825         KF_WIDTH_GROW,
 826         KF_WIDTH_SHRINK,
 827         KF_WIND_DEL,
 828         KF_WIND_KILL,
 829         KF_WS_1,
 830         KF_WS_2,
 831         KF_WS_3,
 832         KF_WS_4,
 833         KF_WS_5,
 834         KF_WS_6,
 835         KF_WS_7,
 836         KF_WS_8,
 837         KF_WS_9,
 838         KF_WS_10,
 839         KF_WS_11,
 840         KF_WS_12,
 841         KF_WS_13,
 842         KF_WS_14,
 843         KF_WS_15,
 844         KF_WS_16,
 845         KF_WS_17,
 846         KF_WS_18,
 847         KF_WS_19,
 848         KF_WS_20,
 849         KF_WS_21,
 850         KF_WS_22,
 851         KF_WS_NEXT,
 852         KF_WS_NEXT_ALL,
 853         KF_WS_NEXT_MOVE,
 854         KF_WS_PREV,
 855         KF_WS_PREV_ALL,
 856         KF_WS_PREV_MOVE,
 857         KF_WS_PRIOR,
 858         KF_DUMPWINS, /* MUST BE LAST */
 859         KF_INVALID
 860 };
 861
 862 struct key {
 863         RB_ENTRY(key)           entry;
 864         unsigned int            mod;
 865         KeySym                  keysym;
 866         enum keyfuncid          funcid;
 867         char                    *spawn_name;
 868 };
 869 RB_HEAD(key_tree, key);
 870
 871 /* function prototypes */
 872 void     adjust_font(struct ws_win *);
 873 void     bar_cleanup(struct swm_region *);
 874 void     bar_extra_setup(void);
 875 void     bar_extra_stop(void);
 876 int      bar_extra_update(void);
 877 void     bar_fmt(const char *, char *, struct swm_region *, size_t);
 878 void     bar_fmt_expand(char *, size_t);
 879 void     bar_draw(void);
 880 void     bar_print(struct swm_region *, const char *);
 881 void     bar_print_legacy(struct swm_region *, const char *);
 882 void     bar_replace(char *, char *, struct swm_region *, size_t);
 883 void     bar_replace_pad(char *, int *, size_t);
 884 char    *bar_replace_seq(char *, char *, struct swm_region *, size_t *, size_t);
 885 void     bar_setup(struct swm_region *);
 886 void     bar_toggle(struct swm_region *, union arg *);
 887 void     bar_urgent(char *, size_t);
 888 void     bar_window_class(char *, size_t, struct swm_region *);
 889 void     bar_window_class_instance(char *, size_t, struct swm_region *);
 890 void     bar_window_float(char *, size_t, struct swm_region *);
 891 void     bar_window_instance(char *, size_t, struct swm_region *);
 892 void     bar_window_name(char *, size_t, struct swm_region *);
 893 void     bar_workspace_name(char *, size_t, struct swm_region *);
 894 void     buttonpress(xcb_button_press_event_t *);
 895 void     check_conn(void);
 896 void     clear_keys(void);
 897 void     clientmessage(xcb_client_message_event_t *);
 898 void     client_msg(struct ws_win *, xcb_atom_t, xcb_timestamp_t);
 899 int      conf_load(const char *, int);
 900 void     configurenotify(xcb_configure_notify_event_t *);
 901 void     configurerequest(xcb_configure_request_event_t *);
 902 void     config_win(struct ws_win *, xcb_configure_request_event_t *);
 903 void     constrain_window(struct ws_win *, struct swm_geometry *, int *);
 904 int      count_win(struct workspace *, int);
 905 void     cursors_cleanup(void);
 906 void     cursors_load(void);
 907 void     custom_region(const char *);
 908 void     cyclerg(struct swm_region *, union arg *);
 909 void     cyclews(struct swm_region *, union arg *);
 910 void     cycle_layout(struct swm_region *, union arg *);
 911 void     destroynotify(xcb_destroy_notify_event_t *);
 912 void     dumpwins(struct swm_region *, union arg *);
 913 int      enable_wm(void);
 914 void     enternotify(xcb_enter_notify_event_t *);
 915 void     event_drain(uint8_t);
 916 void     event_error(xcb_generic_error_t *);
 917 void     event_handle(xcb_generic_event_t *);
 918 void     ewmh_autoquirk(struct ws_win *);
 919 void     ewmh_get_win_state(struct ws_win *);
 920 int      ewmh_set_win_fullscreen(struct ws_win *, int);
 921 void     ewmh_update_actions(struct ws_win *);
 922 void     ewmh_update_win_state(struct ws_win *, xcb_atom_t, long);
 923 char    *expand_tilde(const char *);
 924 void     expose(xcb_expose_event_t *);
 925 void     fake_keypress(struct ws_win *, xcb_keysym_t, uint16_t);
 926 struct pid_e    *find_pid(pid_t);
 927 struct ws_win   *find_unmanaged_window(xcb_window_t);
 928 struct ws_win   *find_window(xcb_window_t);
 929 void     floating_toggle(struct swm_region *, union arg *);
 930 int      floating_toggle_win(struct ws_win *);
 931 void     focus(struct swm_region *, union arg *);
 932 #ifdef SWM_DEBUG
 933 void     focusin(xcb_focus_in_event_t *);
 934 void     focusout(xcb_focus_out_event_t *);
 935 #endif
 936 void     focus_flush(void);
 937 void     focus_region(struct swm_region *);
 938 void     focusrg(struct swm_region *, union arg *);
 939 void     focus_win(struct ws_win *);
 940 void     fontset_init(void);
 941 void     free_window(struct ws_win *);
 942 xcb_atom_t get_atom_from_string(const char *);
 943 #ifdef SWM_DEBUG
 944 char    *get_atom_name(xcb_atom_t);
 945 #endif
 946 struct ws_win   *get_focus_magic(struct ws_win *);
 947 struct ws_win   *get_focus_prev(struct ws_win *);
 948 #ifdef SWM_DEBUG
 949 char    *get_notify_detail_label(uint8_t);
 950 char    *get_notify_mode_label(uint8_t);
 951 #endif
 952 struct ws_win   *get_pointer_win(xcb_window_t);
 953 struct ws_win   *get_region_focus(struct swm_region *);
 954 int      get_region_index(struct swm_region *);
 955 xcb_screen_t    *get_screen(int);
 956 xcb_window_t     get_sibling(struct ws_win *, int);
 957 int      get_screen_count(void);
 958 #ifdef SWM_DEBUG
 959 char    *get_stack_mode_name(uint8_t);
 960 #endif
 961 int32_t  get_swm_iconic(struct ws_win *);
 962 char    *get_win_name(xcb_window_t);
 963 void     get_wm_protocols(struct ws_win *);
 964 int      get_ws_idx(xcb_window_t);
 965 uint32_t getstate(xcb_window_t);
 966 void     grabbuttons(struct ws_win *);
 967 void     grabkeys(void);
 968 void     grab_windows(void);
 969 void     iconify(struct swm_region *, union arg *);
 970 int      isxlfd(char *);
 971 void     keypress(xcb_key_press_event_t *);
 972 int      key_cmp(struct key *, struct key *);
 973 void     key_insert(unsigned int, KeySym, enum keyfuncid, const char *);
 974 struct key      *key_lookup(unsigned int, KeySym);
 975 void     key_remove(struct key *);
 976 void     key_replace(struct key *, unsigned int, KeySym, enum keyfuncid,
 977              const char *);
 978 void     kill_bar_extra_atexit(void);
 979 void     kill_refs(struct ws_win *);
 980 #ifdef SWM_DEBUG
 981 void     leavenotify(xcb_leave_notify_event_t *);
 982 #endif
 983 void     load_float_geom(struct ws_win *);
 984 struct ws_win   *manage_window(xcb_window_t, uint16_t);
 985 void     map_window(struct ws_win *, xcb_window_t);
 986 void     mapnotify(xcb_map_notify_event_t *);
 987 void     mappingnotify(xcb_mapping_notify_event_t *);
 988 void     maprequest(xcb_map_request_event_t *);
 989 void     motionnotify(xcb_motion_notify_event_t *);
 990 void     move(struct ws_win *, union arg *);
 991 void     move_step(struct swm_region *, union arg *);
 992 uint32_t name_to_pixel(int, const char *);
 993 void     name_workspace(struct swm_region *, union arg *);
 994 void     new_region(struct swm_screen *, int, int, int, int);
 995 int      parsekeys(const char *, unsigned int, unsigned int *, KeySym *);
 996 int      parsequirks(const char *, unsigned long *);
 997 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 998 void     pressbutton(struct swm_region *, union arg *);
 999 void     priorws(struct swm_region *, union arg *);
1000 #ifdef SWM_DEBUG
1001 void     print_win_geom(xcb_window_t);
1002 #endif
1003 void     propertynotify(xcb_property_notify_event_t *);
1004 void     quirk_free(struct quirk *);
1005 void     quirk_insert(const char *, const char *, const char *,unsigned long);
1006 void     quirk_remove(struct quirk *);
1007 void     quirk_replace(struct quirk *, const char *, const char *, const char *,
1008              unsigned long);
1009 void     quit(struct swm_region *, union arg *);
1010 void     raise_toggle(struct swm_region *, union arg *);
1011 void     region_containment(struct ws_win *, struct swm_region *, int);
1012 struct swm_region       *region_under(struct swm_screen *, int, int);
1013 void     regionize(struct ws_win *, int, int);
1014 void     resize(struct ws_win *, union arg *);
1015 void     resize_step(struct swm_region *, union arg *);
1016 void     restart(struct swm_region *, union arg *);
1017 struct swm_region       *root_to_region(xcb_window_t, int);
1018 void     screenchange(xcb_randr_screen_change_notify_event_t *);
1019 void     scan_xrandr(int);
1020 void     search_do_resp(void);
1021 void     search_resp_name_workspace(const char *, size_t);
1022 void     search_resp_search_window(const char *);
1023 void     search_resp_search_workspace(const char *);
1024 void     search_resp_uniconify(const char *, size_t);
1025 void     search_win(struct swm_region *, union arg *);
1026 void     search_win_cleanup(void);
1027 void     search_workspace(struct swm_region *, union arg *);
1028 void     send_to_rg(struct swm_region *, union arg *);
1029 void     send_to_ws(struct swm_region *, union arg *);
1030 void     set_region(struct swm_region *);
1031 int      setautorun(const char *, const char *, int);
1032 int      setconfbinding(const char *, const char *, int);
1033 int      setconfcolor(const char *, const char *, int);
1034 int      setconfmodkey(const char *, const char *, int);
1035 int      setconfquirk(const char *, const char *, int);
1036 int      setconfregion(const char *, const char *, int);
1037 int      setconfspawn(const char *, const char *, int);
1038 int      setconfvalue(const char *, const char *, int);
1039 void     setkeybinding(unsigned int, KeySym, enum keyfuncid, const char *);
1040 int      setkeymapping(const char *, const char *, int);
1041 int      setlayout(const char *, const char *, int);
1042 void     setquirk(const char *, const char *, const char *,unsigned long);
1043 void     setscreencolor(const char *, int, int);
1044 void     setspawn(const char *, const char *, int);
1045 void     setup_ewmh(void);
1046 void     setup_globals(void);
1047 void     setup_keys(void);
1048 void     setup_quirks(void);
1049 void     setup_screens(void);
1050 void     setup_spawn(void);
1051 void     set_child_transient(struct ws_win *, xcb_window_t *);
1052 void     set_swm_iconic(struct ws_win *, int);
1053 void     set_win_state(struct ws_win *, uint16_t);
1054 void     shutdown_cleanup(void);
1055 void     sighdlr(int);
1056 void     socket_setnonblock(int);
1057 void     sort_windows(struct ws_win_list *);
1058 void     spawn(int, union arg *, int);
1059 void     spawn_custom(struct swm_region *, union arg *, const char *);
1060 int      spawn_expand(struct swm_region *, union arg *, const char *, char ***);
1061 void     spawn_insert(const char *, const char *, int);
1062 struct spawn_prog       *spawn_find(const char *);
1063 void     spawn_remove(struct spawn_prog *);
1064 void     spawn_replace(struct spawn_prog *, const char *, const char *, int);
1065 void     spawn_select(struct swm_region *, union arg *, const char *, int *);
1066 void     stack_config(struct swm_region *, union arg *);
1067 void     stack_floater(struct ws_win *, struct swm_region *);
1068 void     stack_master(struct workspace *, struct swm_geometry *, int, int);
1069 void     store_float_geom(struct ws_win *);
1070 char    *strdupsafe(const char *);
1071 void     swapwin(struct swm_region *, union arg *);
1072 void     switchws(struct swm_region *, union arg *);
1073 void     teardown_ewmh(void);
1074 void     unescape_selector(char *);
1075 void     unfocus_win(struct ws_win *);
1076 void     uniconify(struct swm_region *, union arg *);
1077 void     unmanage_window(struct ws_win *);
1078 void     unmapnotify(xcb_unmap_notify_event_t *);
1079 void     unmap_all(void);
1080 void     unmap_window(struct ws_win *);
1081 void     updatenumlockmask(void);
1082 void     update_modkey(unsigned int);
1083 void     update_window(struct ws_win *);
1084 void     validate_spawns(void);
1085 int      validate_win(struct ws_win *);
1086 int      validate_ws(struct workspace *);
1087 void     version(struct swm_region *, union arg *);
1088 void     win_to_ws(struct ws_win *, int, int);
1089 pid_t    window_get_pid(xcb_window_t);
1090 void     wkill(struct swm_region *, union arg *);
1091 void     workaround(void);
1092 void     xft_init(struct swm_region *);
1093 void     _add_startup_exception(const char *, va_list);
1094 void     add_startup_exception(const char *, ...);
1095
1096 RB_PROTOTYPE(key_tree, key, entry, key_cmp);
1097 RB_GENERATE(key_tree, key, entry, key_cmp);
1098 struct key_tree                 keys;
1099
1100 void
1101 cursors_load(void)
1102 {
1103         xcb_font_t      cf = XCB_NONE;
1104         int             i;
1105
1106         for (i = 0; i < LENGTH(cursors); ++i) {
1107                 /* try to load Xcursor first. */
1108                 cursors[i].cid = XcursorLibraryLoadCursor(display,
1109                     cursors[i].name);
1110
1111                 /* fallback to cursorfont. */
1112                 if (cursors[i].cid == XCB_CURSOR_NONE) {
1113                         if (cf == XCB_NONE) {
1114                                 cf = xcb_generate_id(conn);
1115                                 xcb_open_font(conn, cf, strlen("cursor"),
1116                                     "cursor");
1117                         }
1118
1119                         cursors[i].cid = xcb_generate_id(conn);
1120                         xcb_create_glyph_cursor(conn, cursors[i].cid, cf, cf,
1121                             cursors[i].cf_char, cursors[i].cf_char + 1, 0, 0, 0,
1122                             0xffff, 0xffff, 0xffff);
1123
1124                 }
1125         }
1126
1127         if (cf != XCB_NONE)
1128                 xcb_close_font(conn, cf);
1129 }
1130
1131 void
1132 cursors_cleanup(void)
1133 {
1134         int     i;
1135         for (i = 0; i < LENGTH(cursors); ++i)
1136                 xcb_free_cursor(conn, cursors[i].cid);
1137 }
1138
1139 char *
1140 expand_tilde(const char *s)
1141 {
1142         struct passwd           *ppwd;
1143         int                     i;
1144         long                    max;
1145         char                    *user;
1146         const char              *sc = s;
1147         char                    *result;
1148
1149         if (s == NULL)
1150                 errx(1, "expand_tilde: NULL string.");
1151
1152         if (s[0] != '~') {
1153                 result = strdup(sc);
1154                 goto out;
1155         }
1156
1157         ++s;
1158
1159         if ((max = sysconf(_SC_LOGIN_NAME_MAX)) == -1)
1160                 errx(1, "expand_tilde: sysconf");
1161
1162         if ((user = calloc(1, max + 1)) == NULL)
1163                 errx(1, "expand_tilde: calloc");
1164
1165         for (i = 0; s[i] != '/' && s[i] != '\0'; ++i)
1166                 user[i] = s[i];
1167         user[i] = '\0';
1168         s = &s[i];
1169
1170         ppwd = strlen(user) == 0 ? getpwuid(getuid()) : getpwnam(user);
1171         free(user);
1172
1173         if (ppwd == NULL)
1174                 result = strdup(sc);
1175         else
1176                 if (asprintf(&result, "%s%s", ppwd->pw_dir, s) == -1)
1177                         result = NULL;
1178 out:
1179         if (result == NULL)
1180                 errx(1, "expand_tilde: failed to allocate memory.");
1181
1182         return result;
1183 }
1184
1185 int
1186 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
1187 {
1188         unsigned int    tmpr, tmpg, tmpb;
1189
1190         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
1191                 return (-1);
1192
1193         *rr = RGB_8_TO_16(tmpr);
1194         *gg = RGB_8_TO_16(tmpg);
1195         *bb = RGB_8_TO_16(tmpb);
1196
1197         return (0);
1198 }
1199
1200 xcb_screen_t *
1201 get_screen(int screen)
1202 {
1203         const xcb_setup_t       *r;
1204         xcb_screen_iterator_t   iter;
1205
1206         if ((r = xcb_get_setup(conn)) == NULL) {
1207                 DNPRINTF(SWM_D_MISC, "get_screen: xcb_get_setup\n");
1208                 check_conn();
1209         }
1210
1211         iter = xcb_setup_roots_iterator(r);
1212         for (; iter.rem; --screen, xcb_screen_next(&iter))
1213                 if (screen == 0)
1214                         return (iter.data);
1215
1216         return (NULL);
1217 }
1218
1219 int
1220 get_screen_count(void)
1221 {
1222         const xcb_setup_t       *r;
1223
1224         if ((r = xcb_get_setup(conn)) == NULL) {
1225                 DNPRINTF(SWM_D_MISC, "get_screen_count: xcb_get_setup\n");
1226                 check_conn();
1227         }
1228
1229         return xcb_setup_roots_length(r);
1230 }
1231
1232 int
1233 get_region_index(struct swm_region *r)
1234 {
1235         struct swm_region       *rr;
1236         int                      ridx = 0;
1237
1238         if (r == NULL)
1239                 return -1;
1240
1241         TAILQ_FOREACH(rr, &r->s->rl, entry) {
1242                 if (rr == r)
1243                         break;
1244                 ++ridx;
1245         }
1246
1247         if (rr == NULL)
1248                 return -1;
1249
1250         return ridx;
1251 }
1252
1253 void
1254 focus_flush(void)
1255 {
1256         if (focus_mode == SWM_FOCUS_DEFAULT)
1257                 event_drain(XCB_ENTER_NOTIFY);
1258         else
1259                 xcb_flush(conn);
1260 }
1261
1262 xcb_atom_t
1263 get_atom_from_string(const char *str)
1264 {
1265         xcb_intern_atom_cookie_t        c;
1266         xcb_intern_atom_reply_t         *r;
1267         xcb_atom_t                      atom;
1268
1269         c = xcb_intern_atom(conn, 0, strlen(str), str);
1270         r = xcb_intern_atom_reply(conn, c, NULL);
1271         if (r) {
1272                 atom = r->atom;
1273                 free(r);
1274
1275                 return (atom);
1276         }
1277
1278         return (XCB_ATOM_NONE);
1279 }
1280
1281 void
1282 get_wm_protocols(struct ws_win *win) {
1283         int                             i;
1284         xcb_icccm_get_wm_protocols_reply_t      wpr;
1285
1286         if (xcb_icccm_get_wm_protocols_reply(conn,
1287             xcb_icccm_get_wm_protocols(conn, win->id, a_prot),
1288             &wpr, NULL)) {
1289                 for (i = 0; i < (int)wpr.atoms_len; i++) {
1290                         if (wpr.atoms[i] == a_takefocus)
1291                                 win->take_focus = 1;
1292                         if (wpr.atoms[i] == a_delete)
1293                                 win->can_delete = 1;
1294                 }
1295                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
1296         }
1297 }
1298
1299 void
1300 set_swm_iconic(struct ws_win *win, int newv)
1301 {
1302         int32_t                         v = newv;
1303
1304         win->iconic = newv;
1305
1306         if (newv)
1307                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1308                     a_swm_iconic, XCB_ATOM_INTEGER, 32, 1, &v);
1309         else
1310                 xcb_delete_property(conn, win->id, a_swm_iconic);
1311 }
1312
1313 int32_t
1314 get_swm_iconic(struct ws_win *win)
1315 {
1316         int32_t                         v = 0;
1317         xcb_get_property_reply_t        *pr = NULL;
1318
1319         pr = xcb_get_property_reply(conn,
1320             xcb_get_property(conn, 0, win->id, a_swm_iconic,
1321             XCB_ATOM_INTEGER, 0, 1), NULL);
1322         if (pr == NULL)
1323                 goto out;
1324         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
1325                 goto out;
1326         v = *((int32_t *)xcb_get_property_value(pr));
1327 out:
1328         if (pr)
1329                 free(pr);
1330         return (v);
1331 }
1332
1333 void
1334 setup_ewmh(void)
1335 {
1336         xcb_atom_t                      sup_list;
1337         int                             i, j, num_screens;
1338
1339         sup_list = get_atom_from_string("_NET_SUPPORTED");
1340
1341         for (i = 0; i < LENGTH(ewmh); i++)
1342                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
1343
1344         num_screens = get_screen_count();
1345         for (i = 0; i < num_screens; i++) {
1346                 /* Support check window will be created by workaround(). */
1347
1348                 /* Report supported atoms */
1349                 xcb_delete_property(conn, screens[i].root, sup_list);
1350                 for (j = 0; j < LENGTH(ewmh); j++)
1351                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
1352                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
1353                             &ewmh[j].atom);
1354         }
1355 }
1356
1357 void
1358 teardown_ewmh(void)
1359 {
1360         int                             i, num_screens;
1361         xcb_atom_t                      sup_check, sup_list;
1362         xcb_window_t                    id;
1363         xcb_get_property_cookie_t       pc;
1364         xcb_get_property_reply_t        *pr;
1365
1366         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
1367         sup_list = get_atom_from_string("_NET_SUPPORTED");
1368         num_screens = get_screen_count();
1369
1370         for (i = 0; i < num_screens; i++) {
1371                 /* Get the support check window and destroy it */
1372                 pc = xcb_get_property(conn, 0, screens[i].root, sup_check,
1373                     XCB_ATOM_WINDOW, 0, 1);
1374                 pr = xcb_get_property_reply(conn, pc, NULL);
1375                 if (pr == NULL)
1376                         continue;
1377                 if (pr->format == sup_check) {
1378                         id = *((xcb_window_t *)xcb_get_property_value(pr));
1379
1380                         xcb_destroy_window(conn, id);
1381                         xcb_delete_property(conn, screens[i].root, sup_check);
1382                         xcb_delete_property(conn, screens[i].root, sup_list);
1383                 }
1384                 free(pr);
1385         }
1386 }
1387
1388 void
1389 ewmh_autoquirk(struct ws_win *win)
1390 {
1391         uint32_t                i, n;
1392         xcb_atom_t              *type;
1393         xcb_get_property_cookie_t       c;
1394         xcb_get_property_reply_t        *r;
1395
1396         c = xcb_get_property(conn, 0, win->id,
1397             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
1398         r = xcb_get_property_reply(conn, c, NULL);
1399         if (r == NULL)
1400                 return;
1401
1402         n = xcb_get_property_value_length(r);
1403         type = xcb_get_property_value(r);
1404
1405         for (i = 0; i < n; i++) {
1406                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
1407                         break;
1408                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
1409                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
1410                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
1411                         win->floating = 1;
1412                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
1413                         break;
1414                 }
1415                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
1416                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
1417                         win->floating = 1;
1418                         win->quirks = SWM_Q_FLOAT;
1419                         break;
1420                 }
1421         }
1422         free(r);
1423 }
1424
1425 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
1426 #define EWMH_F_FULLSCREEN               (1<<0)
1427 #define EWMH_F_ABOVE                    (1<<1)
1428 #define EWMH_F_HIDDEN                   (1<<2)
1429 #define EWMH_F_SKIP_PAGER               (1<<3)
1430 #define EWMH_F_SKIP_TASKBAR             (1<<4)
1431 #define SWM_F_MANUAL                    (1<<5)
1432
1433 int
1434 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
1435 {
1436         if (win->ws->r == NULL)
1437                 return (0);
1438
1439         if (!win->floating)
1440                 return (0);
1441
1442         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
1443             "fullscreen %s\n", win->id, YESNO(fs));
1444
1445         if (fs) {
1446                 if (!win->g_floatvalid)
1447                         store_float_geom(win);
1448
1449                 win->g = win->ws->r->g;
1450                 win->bordered = 0;
1451         } else {
1452                 load_float_geom(win);
1453         }
1454
1455         return (1);
1456 }
1457
1458 void
1459 ewmh_update_actions(struct ws_win *win)
1460 {
1461         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
1462         int                     n = 0;
1463
1464         if (win == NULL)
1465                 return;
1466
1467         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
1468
1469         if (win->floating) {
1470                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
1471                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
1472                 actions[n++] = ewmh[_NET_WM_ACTION_ABOVE].atom;
1473         }
1474
1475         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1476             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
1477 }
1478
1479 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
1480 #define _NET_WM_STATE_ADD       1    /* add/set property */
1481 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
1482
1483 void
1484 ewmh_update_win_state(struct ws_win *win, xcb_atom_t state, long action)
1485 {
1486         unsigned int            mask = 0;
1487         unsigned int            changed = 0;
1488         unsigned int            orig_flags;
1489
1490         if (win == NULL)
1491                 return;
1492
1493         DNPRINTF(SWM_D_PROP, "ewmh_update_win_state: window: 0x%x, state: %ld, "
1494             "action: %ld\n", win->id, (unsigned long)state, action);
1495
1496         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1497                 mask = EWMH_F_FULLSCREEN;
1498         else if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
1499                 mask = EWMH_F_ABOVE;
1500         else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1501                 mask = SWM_F_MANUAL;
1502         else if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
1503                 mask = EWMH_F_SKIP_PAGER;
1504         else if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
1505                 mask = EWMH_F_SKIP_TASKBAR;
1506
1507         orig_flags = win->ewmh_flags;
1508
1509         switch (action) {
1510         case _NET_WM_STATE_REMOVE:
1511                 win->ewmh_flags &= ~mask;
1512                 break;
1513         case _NET_WM_STATE_ADD:
1514                 win->ewmh_flags |= mask;
1515                 break;
1516         case _NET_WM_STATE_TOGGLE:
1517                 win->ewmh_flags ^= mask;
1518                 break;
1519         }
1520
1521         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
1522
1523         if (state == ewmh[_NET_WM_STATE_ABOVE].atom) {
1524                 if (changed && !floating_toggle_win(win))
1525                                 win->ewmh_flags = orig_flags; /* revert */
1526         } else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom) {
1527                 if (changed)
1528                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
1529         } else if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom) {
1530                 if (changed && !ewmh_set_win_fullscreen(win,
1531                             win->ewmh_flags & EWMH_F_FULLSCREEN))
1532                                 win->ewmh_flags = orig_flags; /* revert */
1533         }
1534
1535         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
1536
1537         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
1538                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1539                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1540                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
1541         else if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1542                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1543                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1544                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1545         else if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1546                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1547                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1548                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1549         else if (win->ewmh_flags & EWMH_F_ABOVE)
1550                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1551                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1552                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1553         else if (win->ewmh_flags & SWM_F_MANUAL)
1554                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1555                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1556                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1557 }
1558
1559 void
1560 ewmh_get_win_state(struct ws_win *win)
1561 {
1562         xcb_atom_t                      *states;
1563         xcb_get_property_cookie_t       c;
1564         xcb_get_property_reply_t        *r;
1565         int                             i, n;
1566
1567         if (win == NULL)
1568                 return;
1569
1570         win->ewmh_flags = 0;
1571         if (win->floating)
1572                 win->ewmh_flags |= EWMH_F_ABOVE;
1573         if (win->manual)
1574                 win->ewmh_flags |= SWM_F_MANUAL;
1575
1576         c = xcb_get_property(conn, 0, win->id, ewmh[_NET_WM_STATE].atom,
1577             XCB_ATOM_ATOM, 0, UINT32_MAX);
1578         r = xcb_get_property_reply(conn, c, NULL);
1579         if (r == NULL)
1580                 return;
1581
1582         states = xcb_get_property_value(r);
1583         n = xcb_get_property_value_length(r);
1584
1585         for (i = 0; i < n; i++)
1586                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1587
1588         free(r);
1589 }
1590
1591 /* events */
1592 #ifdef SWM_DEBUG
1593 void
1594 dumpwins(struct swm_region *r, union arg *args)
1595 {
1596         struct ws_win                           *win;
1597         uint32_t                                state;
1598         xcb_get_window_attributes_cookie_t      c;
1599         xcb_get_window_attributes_reply_t       *wa;
1600
1601         /* suppress unused warning since var is needed */
1602         (void)args;
1603
1604         if (r->ws == NULL) {
1605                 warnx("dumpwins: invalid workspace");
1606                 return;
1607         }
1608
1609         warnx("=== managed window list ws %02d ===", r->ws->idx);
1610         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1611                 state = getstate(win->id);
1612                 c = xcb_get_window_attributes(conn, win->id);
1613                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1614                 if (wa) {
1615                         warnx("window: 0x%x, map_state: %d, state: %u, "
1616                             "transient: 0x%x", win->id, wa->map_state,
1617                             state, win->transient);
1618                         free(wa);
1619                 } else
1620                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1621                             win->id);
1622         }
1623
1624         warnx("===== unmanaged window list =====");
1625         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1626                 state = getstate(win->id);
1627                 c = xcb_get_window_attributes(conn, win->id);
1628                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1629                 if (wa) {
1630                         warnx("window: 0x%x, map_state: %d, state: %u, "
1631                             "transient: 0x%x", win->id, wa->map_state,
1632                             state, win->transient);
1633                         free(wa);
1634                 } else
1635                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1636                             win->id);
1637         }
1638
1639         warnx("=================================");
1640 }
1641 #else
1642 void
1643 dumpwins(struct swm_region *r, union arg *s)
1644 {
1645         (void)r;
1646         (void)s;
1647 }
1648 #endif /* SWM_DEBUG */
1649
1650 void
1651 sighdlr(int sig)
1652 {
1653         int                     saved_errno, status;
1654         pid_t                   pid;
1655
1656         saved_errno = errno;
1657
1658         switch (sig) {
1659         case SIGCHLD:
1660                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1661                         if (pid == -1) {
1662                                 if (errno == EINTR)
1663                                         continue;
1664 #ifdef SWM_DEBUG
1665                                 if (errno != ECHILD)
1666                                         warn("sighdlr: waitpid");
1667 #endif /* SWM_DEBUG */
1668                                 break;
1669                         }
1670                         if (pid == searchpid)
1671                                 search_resp = 1;
1672
1673 #ifdef SWM_DEBUG
1674                         if (WIFEXITED(status)) {
1675                                 if (WEXITSTATUS(status) != 0)
1676                                         warnx("sighdlr: child exit status: %d",
1677                                             WEXITSTATUS(status));
1678                         } else
1679                                 warnx("sighdlr: child is terminated "
1680                                     "abnormally");
1681 #endif /* SWM_DEBUG */
1682                 }
1683                 break;
1684
1685         case SIGHUP:
1686                 restart_wm = 1;
1687                 break;
1688         case SIGINT:
1689         case SIGTERM:
1690         case SIGQUIT:
1691                 running = 0;
1692                 break;
1693         }
1694
1695         errno = saved_errno;
1696 }
1697
1698 struct pid_e *
1699 find_pid(pid_t pid)
1700 {
1701         struct pid_e            *p = NULL;
1702
1703         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1704
1705         if (pid == 0)
1706                 return (NULL);
1707
1708         TAILQ_FOREACH(p, &pidlist, entry) {
1709                 if (p->pid == pid)
1710                         return (p);
1711         }
1712
1713         return (NULL);
1714 }
1715
1716 uint32_t
1717 name_to_pixel(int sidx, const char *colorname)
1718 {
1719         uint32_t                        result = 0;
1720         char                            cname[32] = "#";
1721         xcb_screen_t                    *screen;
1722         xcb_colormap_t                  cmap;
1723         xcb_alloc_color_reply_t         *cr;
1724         xcb_alloc_named_color_reply_t   *nr;
1725         uint16_t                        rr, gg, bb;
1726
1727         screen = get_screen(sidx);
1728         cmap = screen->default_colormap;
1729
1730         /* color is in format rgb://rr/gg/bb */
1731         if (strncmp(colorname, "rgb:", 4) == 0) {
1732                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1733                         warnx("could not parse rgb %s", colorname);
1734                 else {
1735                         cr = xcb_alloc_color_reply(conn,
1736                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1737                             NULL);
1738                         if (cr) {
1739                                 result = cr->pixel;
1740                                 free(cr);
1741                         } else
1742                                 warnx("color '%s' not found", colorname);
1743                 }
1744         } else {
1745                 nr = xcb_alloc_named_color_reply(conn,
1746                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1747                             colorname), NULL);
1748                 if (nr == NULL) {
1749                         strlcat(cname, colorname + 2, sizeof cname - 1);
1750                         nr = xcb_alloc_named_color_reply(conn,
1751                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1752                             cname), NULL);
1753                 }
1754                 if (nr) {
1755                         result = nr->pixel;
1756                         free(nr);
1757                 } else
1758                         warnx("color '%s' not found", colorname);
1759         }
1760
1761         return (result);
1762 }
1763
1764 void
1765 setscreencolor(const char *val, int i, int c)
1766 {
1767         int     num_screens;
1768
1769         num_screens = get_screen_count();
1770         if (i > 0 && i <= num_screens) {
1771                 screens[i - 1].c[c].pixel = name_to_pixel(i - 1, val);
1772                 free(screens[i - 1].c[c].name);
1773                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1774                         err(1, "strdup");
1775         } else if (i == -1) {
1776                 for (i = 0; i < num_screens; i++) {
1777                         screens[i].c[c].pixel = name_to_pixel(0, val);
1778                         free(screens[i].c[c].name);
1779                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1780                                 err(1, "strdup");
1781                 }
1782         } else
1783                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1784                     i, num_screens);
1785 }
1786
1787 void
1788 fancy_stacker(struct workspace *ws)
1789 {
1790         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1791         if (ws->cur_layout->l_stack == vertical_stack)
1792                 snprintf(ws->stacker, sizeof ws->stacker,
1793                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1794                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1795         if (ws->cur_layout->l_stack == horizontal_stack)
1796                 snprintf(ws->stacker, sizeof ws->stacker,
1797                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1798                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1799 }
1800
1801 void
1802 plain_stacker(struct workspace *ws)
1803 {
1804         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1805         if (ws->cur_layout->l_stack == vertical_stack)
1806                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1807                     sizeof ws->stacker);
1808         if (ws->cur_layout->l_stack == horizontal_stack)
1809                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1810                     sizeof ws->stacker);
1811 }
1812
1813 void
1814 custom_region(const char *val)
1815 {
1816         unsigned int                    x, y, w, h;
1817         int                             sidx, num_screens;
1818         xcb_screen_t                    *screen;
1819
1820         num_screens = get_screen_count();
1821         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1822                 errx(1, "invalid custom region, "
1823                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1824         if (sidx < 1 || sidx > num_screens)
1825                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1826                     sidx, num_screens);
1827         sidx--;
1828
1829         if ((screen = get_screen(sidx)) == NULL)
1830                 errx(1, "ERROR: can't get screen %d.", sidx);
1831
1832         if (w < 1 || h < 1)
1833                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1834
1835         if (x > screen->width_in_pixels ||
1836             y > screen->height_in_pixels ||
1837             w + x > screen->width_in_pixels ||
1838             h + y > screen->height_in_pixels) {
1839                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1840                     "boundaries (%ux%u)", w, h, x, y,
1841                     screen->width_in_pixels, screen->height_in_pixels);
1842                 return;
1843         }
1844
1845         new_region(&screens[sidx], x, y, w, h);
1846 }
1847
1848 void
1849 socket_setnonblock(int fd)
1850 {
1851         int                     flags;
1852
1853         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1854                 err(1, "fcntl F_GETFL");
1855         flags |= O_NONBLOCK;
1856         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1857                 err(1, "fcntl F_SETFL");
1858 }
1859
1860 void
1861 bar_print_legacy(struct swm_region *r, const char *s)
1862 {
1863         xcb_rectangle_t         rect;
1864         uint32_t                gcv[1];
1865         XGCValues               gcvd;
1866         int                     x = 0;
1867         size_t                  len;
1868         XRectangle              ibox, lbox;
1869         GC                      draw;
1870
1871         len = strlen(s);
1872         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1873
1874         switch (bar_justify) {
1875         case SWM_BAR_JUSTIFY_LEFT:
1876                 x = SWM_BAR_OFFSET;
1877                 break;
1878         case SWM_BAR_JUSTIFY_CENTER:
1879                 x = (WIDTH(r) - lbox.width) / 2;
1880                 break;
1881         case SWM_BAR_JUSTIFY_RIGHT:
1882                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1883                 break;
1884         }
1885
1886         if (x < SWM_BAR_OFFSET)
1887                 x = SWM_BAR_OFFSET;
1888
1889         rect.x = 0;
1890         rect.y = 0;
1891         rect.width = WIDTH(r->bar);
1892         rect.height = HEIGHT(r->bar);
1893
1894         /* clear back buffer */
1895         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1896         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1897         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1898
1899         /* draw back buffer */
1900         gcvd.graphics_exposures = 0;
1901         draw = XCreateGC(display, r->bar->buffer, GCGraphicsExposures, &gcvd);
1902         XSetForeground(display, draw, r->s->c[SWM_S_COLOR_BAR_FONT].pixel);
1903         DRAWSTRING(display, r->bar->buffer, bar_fs, draw,
1904             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1905             lbox.y, s, len);
1906         XFreeGC(display, draw);
1907
1908         /* blt */
1909         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1910             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1911 }
1912
1913 void
1914 bar_print(struct swm_region *r, const char *s)
1915 {
1916         size_t                          len;
1917         xcb_rectangle_t                 rect;
1918         uint32_t                        gcv[1];
1919         int32_t                         x = 0;
1920         XGlyphInfo                      info;
1921         XftDraw                         *draw;
1922
1923         len = strlen(s);
1924
1925         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
1926
1927         switch (bar_justify) {
1928         case SWM_BAR_JUSTIFY_LEFT:
1929                 x = SWM_BAR_OFFSET;
1930                 break;
1931         case SWM_BAR_JUSTIFY_CENTER:
1932                 x = (WIDTH(r) - info.width) / 2;
1933                 break;
1934         case SWM_BAR_JUSTIFY_RIGHT:
1935                 x = WIDTH(r) - info.width - SWM_BAR_OFFSET;
1936                 break;
1937         }
1938
1939         if (x < SWM_BAR_OFFSET)
1940                 x = SWM_BAR_OFFSET;
1941
1942         rect.x = 0;
1943         rect.y = 0;
1944         rect.width = WIDTH(r->bar);
1945         rect.height = HEIGHT(r->bar);
1946
1947         /* clear back buffer */
1948         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1949         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1950         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1951
1952         /* draw back buffer */
1953         draw = XftDrawCreate(display, r->bar->buffer,
1954             DefaultVisual(display, r->s->idx),
1955             DefaultColormap(display, r->s->idx));
1956
1957         XftDrawStringUtf8(draw, &bar_font_color, bar_font, x,
1958             (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
1959             (FcChar8 *)s, len);
1960
1961         XftDrawDestroy(draw);
1962
1963         /* blt */
1964         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1965             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1966 }
1967
1968 void
1969 bar_extra_stop(void)
1970 {
1971         if (bar_pipe[0]) {
1972                 close(bar_pipe[0]);
1973                 bzero(bar_pipe, sizeof bar_pipe);
1974         }
1975         if (bar_pid) {
1976                 kill(bar_pid, SIGTERM);
1977                 bar_pid = 0;
1978         }
1979         strlcpy(bar_ext, "", sizeof bar_ext);
1980         bar_extra = 0;
1981 }
1982
1983 void
1984 bar_window_class(char *s, size_t sz, struct swm_region *r)
1985 {
1986         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1987                 return;
1988         if (r->ws->focus->ch.class_name != NULL)
1989                 strlcat(s, r->ws->focus->ch.class_name, sz);
1990 }
1991
1992 void
1993 bar_window_instance(char *s, size_t sz, struct swm_region *r)
1994 {
1995         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1996                 return;
1997         if (r->ws->focus->ch.instance_name != NULL)
1998                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1999 }
2000
2001 void
2002 bar_window_class_instance(char *s, size_t sz, struct swm_region *r)
2003 {
2004         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
2005                 return;
2006
2007         bar_window_class(s, sz, r);
2008         strlcat(s, ":", sz);
2009         bar_window_instance(s, sz, r);
2010 }
2011
2012 void
2013 bar_window_float(char *s, size_t sz, struct swm_region *r)
2014 {
2015         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
2016                 return;
2017         if (r->ws->focus->floating)
2018                 strlcat(s, "(f)", sz);
2019 }
2020
2021 void
2022 bar_window_name(char *s, size_t sz, struct swm_region *r)
2023 {
2024         char            *title;
2025
2026         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
2027                 return;
2028
2029         title = get_win_name(r->ws->focus->id);
2030         strlcat(s, title, sz);
2031         free(title);
2032 }
2033
2034 void
2035 bar_urgent(char *s, size_t sz)
2036 {
2037         struct ws_win           *win;
2038         int                     i, j, num_screens;
2039         int                     urgent[SWM_WS_MAX];
2040         char                    b[8];
2041         xcb_get_property_cookie_t       c;
2042         xcb_icccm_wm_hints_t    hints;
2043
2044         for (i = 0; i < workspace_limit; i++)
2045                 urgent[i] = 0;
2046
2047         num_screens = get_screen_count();
2048         for (i = 0; i < num_screens; i++)
2049                 for (j = 0; j < workspace_limit; j++)
2050                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
2051                                 c = xcb_icccm_get_wm_hints(conn, win->id);
2052                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
2053                                     &hints, NULL) == 0)
2054                                         continue;
2055                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
2056                                         urgent[j] = 1;
2057                         }
2058
2059         for (i = 0; i < workspace_limit; i++) {
2060                 if (urgent[i])
2061                         snprintf(b, sizeof b, "%d ", i + 1);
2062                 else
2063                         snprintf(b, sizeof b, "- ");
2064                 strlcat(s, b, sz);
2065         }
2066 }
2067
2068 void
2069 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
2070 {
2071         if (r == NULL || r->ws == NULL)
2072                 return;
2073         if (r->ws->name != NULL)
2074                 strlcat(s, r->ws->name, sz);
2075 }
2076
2077 /* build the default bar format according to the defined enabled options */
2078 void
2079 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
2080 {
2081         struct ws_win           *w;
2082
2083         /* if format provided, just copy the buffers */
2084         if (bar_format != NULL) {
2085                 strlcpy(fmtnew, fmtexp, sz);
2086                 return;
2087         }
2088
2089         /* reset the output buffer */
2090         *fmtnew = '\0';
2091
2092         strlcat(fmtnew, "+N:+I ", sz);
2093         if (stack_enabled)
2094                 strlcat(fmtnew, "+S", sz);
2095         strlcat(fmtnew, " ", sz);
2096
2097         /* only show the workspace name if there's actually one */
2098         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
2099                 strlcat(fmtnew, "<+D>", sz);
2100
2101         /* If enabled, only show the iconic count if there are iconic wins. */
2102         if (iconic_enabled && r != NULL && r->ws != NULL)
2103                 TAILQ_FOREACH(w, &r->ws->winlist, entry)
2104                         if (w->iconic) {
2105                                 strlcat(fmtnew, "{+M}", sz);
2106                                 break;
2107                         }
2108
2109         strlcat(fmtnew, "+3<", sz);
2110
2111         if (clock_enabled) {
2112                 strlcat(fmtnew, fmtexp, sz);
2113                 strlcat(fmtnew, "+4<", sz);
2114         }
2115
2116         /* bar_urgent already adds the space before the last asterisk */
2117         if (urgent_enabled)
2118                 strlcat(fmtnew, "* +U*+4<", sz);
2119
2120         if (window_class_enabled) {
2121                 strlcat(fmtnew, "+C", sz);
2122                 if (!window_instance_enabled)
2123                         strlcat(fmtnew, "+4<", sz);
2124         }
2125
2126         /* checks needed by the colon and floating strlcat(3) calls below */
2127         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
2128                 if (window_instance_enabled) {
2129                         if (window_class_enabled)
2130                                 strlcat(fmtnew, ":", sz);
2131                         strlcat(fmtnew, "+T+4<", sz);
2132                 }
2133                 if (window_name_enabled) {
2134                         if (r->ws->focus->floating)
2135                                 strlcat(fmtnew, "+F ", sz);
2136                         strlcat(fmtnew, "+64W ", sz);
2137                 }
2138         }
2139
2140         /* finally add the action script output and the version */
2141         strlcat(fmtnew, "+4<+A+4<+V", sz);
2142 }
2143
2144 void
2145 bar_replace_pad(char *tmp, int *limit, size_t sz)
2146 {
2147         /* special case; no limit given, pad one space, instead */
2148         if (*limit == (int)sz - 1)
2149                 *limit = 1;
2150         snprintf(tmp, sz, "%*s", *limit, " ");
2151 }
2152
2153 /* replaces the bar format character sequences (like in tmux(1)) */
2154 char *
2155 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
2156     size_t sz)
2157 {
2158         struct ws_win           *w;
2159         char                    *ptr;
2160         char                    tmp[SWM_BAR_MAX];
2161         int                     limit, size, count;
2162         size_t                  len;
2163
2164         /* reset strlcat(3) buffer */
2165         *tmp = '\0';
2166
2167         /* get number, if any */
2168         fmt++;
2169         size = 0;
2170         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
2171                 limit = sizeof tmp - 1;
2172         if (limit <= 0 || limit >= (int)sizeof tmp)
2173                 limit = sizeof tmp - 1;
2174
2175         /* there is nothing to replace (ie EOL) */
2176         fmt += size;
2177         if (*fmt == '\0')
2178                 return (fmt);
2179
2180         switch (*fmt) {
2181         case '<':
2182                 bar_replace_pad(tmp, &limit, sizeof tmp);
2183                 break;
2184         case 'A':
2185                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
2186                 break;
2187         case 'C':
2188                 bar_window_class(tmp, sizeof tmp, r);
2189                 break;
2190         case 'D':
2191                 bar_workspace_name(tmp, sizeof tmp, r);
2192                 break;
2193         case 'F':
2194                 bar_window_float(tmp, sizeof tmp, r);
2195                 break;
2196         case 'I':
2197                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
2198                 break;
2199         case 'M':
2200                 count = 0;
2201                 TAILQ_FOREACH(w, &r->ws->winlist, entry)
2202                         if (w->iconic)
2203                                 ++count;
2204
2205                 snprintf(tmp, sizeof tmp, "%d", count);
2206                 break;
2207         case 'N':
2208                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
2209                 break;
2210         case 'P':
2211                 bar_window_class_instance(tmp, sizeof tmp, r);
2212                 break;
2213         case 'S':
2214                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
2215                 break;
2216         case 'T':
2217                 bar_window_instance(tmp, sizeof tmp, r);
2218                 break;
2219         case 'U':
2220                 bar_urgent(tmp, sizeof tmp);
2221                 break;
2222         case 'V':
2223                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
2224                 break;
2225         case 'W':
2226                 bar_window_name(tmp, sizeof tmp, r);
2227                 break;
2228         default:
2229                 /* unknown character sequence; copy as-is */
2230                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
2231                 break;
2232         }
2233
2234         len = strlen(tmp);
2235         ptr = tmp;
2236         if ((int)len < limit)
2237                 limit = len;
2238         while (limit-- > 0) {
2239                 if (*offrep >= sz - 1)
2240                         break;
2241                 fmtrep[(*offrep)++] = *ptr++;
2242         }
2243
2244         fmt++;
2245         return (fmt);
2246 }
2247
2248 void
2249 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
2250 {
2251         size_t                  off;
2252
2253         off = 0;
2254         while (*fmt != '\0') {
2255                 if (*fmt != '+') {
2256                         /* skip ordinary characters */
2257                         if (off >= sz - 1)
2258                                 break;
2259                         fmtrep[off++] = *fmt++;
2260                         continue;
2261                 }
2262
2263                 /* character sequence found; replace it */
2264                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
2265                 if (off >= sz - 1)
2266                         break;
2267         }
2268
2269         fmtrep[off] = '\0';
2270 }
2271
2272 void
2273 bar_fmt_expand(char *fmtexp, size_t sz)
2274 {
2275         char                    *fmt = NULL;
2276         size_t                  len;
2277         struct tm               tm;
2278         time_t                  tmt;
2279
2280         /* start by grabbing the current time and date */
2281         time(&tmt);
2282         localtime_r(&tmt, &tm);
2283
2284         /* figure out what to expand */
2285         if (bar_format != NULL)
2286                 fmt = bar_format;
2287         else if (bar_format == NULL && clock_enabled)
2288                 fmt = clock_format;
2289         /* if nothing to expand bail out */
2290         if (fmt == NULL) {
2291                 *fmtexp = '\0';
2292                 return;
2293         }
2294
2295         /* copy as-is, just in case the format shouldn't be expanded below */
2296         strlcpy(fmtexp, fmt, sz);
2297         /* finally pass the string through strftime(3) */
2298 #ifndef SWM_DENY_CLOCK_FORMAT
2299         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
2300                 warnx("format too long");
2301         fmtexp[len] = '\0';
2302 #endif
2303 }
2304
2305 /* Redraws the bar; need to follow with xcb_flush() or focus_flush(). */
2306 void
2307 bar_draw(void)
2308 {
2309         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
2310         char                    fmtrep[SWM_BAR_MAX];
2311         int                     i, num_screens;
2312         struct swm_region       *r;
2313
2314         /* expand the format by first passing it through strftime(3) */
2315         bar_fmt_expand(fmtexp, sizeof fmtexp);
2316
2317         num_screens = get_screen_count();
2318         for (i = 0; i < num_screens; i++) {
2319                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2320                         if (r->bar == NULL)
2321                                 continue;
2322
2323                         if (bar_enabled && r->ws->bar_enabled)
2324                                 xcb_map_window(conn, r->bar->id);
2325                         else {
2326                                 xcb_unmap_window(conn, r->bar->id);
2327                                 continue;
2328                         }
2329
2330                         if (startup_exception)
2331                                 snprintf(fmtrep, sizeof fmtrep, "total "
2332                                     "exceptions: %d, first exception: %s",
2333                                     nr_exceptions,
2334                                     startup_exception);
2335                         else {
2336                                 bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
2337                                 bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
2338                         }
2339                         if (bar_font_legacy)
2340                                 bar_print_legacy(r, fmtrep);
2341                         else
2342                                 bar_print(r, fmtrep);
2343                 }
2344         }
2345 }
2346
2347 /*
2348  * Reads external script output; call when stdin is readable.
2349  * Returns 1 if bar_ext was updated; otherwise 0.
2350  */
2351 int
2352 bar_extra_update(void)
2353 {
2354         size_t          len;
2355         char            b[SWM_BAR_MAX];
2356         int             changed = 0;
2357
2358         if (!bar_extra)
2359                 return changed;
2360
2361         while (fgets(b, sizeof(b), stdin) != NULL) {
2362                 if (bar_enabled) {
2363                         len = strlen(b);
2364                         if (b[len - 1] == '\n') {
2365                                 /* Remove newline. */
2366                                 b[--len] = '\0';
2367
2368                                 /* "Clear" bar_ext. */
2369                                 bar_ext[0] = '\0';
2370
2371                                 /* Flush buffered output. */
2372                                 strlcpy(bar_ext, bar_ext_buf, sizeof(bar_ext));
2373                                 bar_ext_buf[0] = '\0';
2374
2375                                 /* Append new output to bar. */
2376                                 strlcat(bar_ext, b, sizeof(bar_ext));
2377
2378                                 changed = 1;
2379                         } else {
2380                                 /* Buffer output. */
2381                                 strlcat(bar_ext_buf, b, sizeof(bar_ext_buf));
2382                         }
2383                 }
2384         }
2385
2386         if (errno != EAGAIN) {
2387                 warn("bar_action failed");
2388                 bar_extra_stop();
2389                 changed = 1;
2390         }
2391
2392         return changed;
2393 }
2394
2395 void
2396 bar_toggle(struct swm_region *r, union arg *args)
2397 {
2398         struct swm_region       *tmpr;
2399         int                     i, num_screens;
2400
2401         /* suppress unused warnings since vars are needed */
2402         (void)r;
2403         (void)args;
2404
2405         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
2406
2407         switch (args->id) {
2408         case SWM_ARG_ID_BAR_TOGGLE_WS:
2409                 /* Only change if master switch is enabled. */
2410                 if (bar_enabled)
2411                         r->ws->bar_enabled = !r->ws->bar_enabled;
2412                 else
2413                         bar_enabled = r->ws->bar_enabled = 1;
2414                 break;
2415         case SWM_ARG_ID_BAR_TOGGLE:
2416                 bar_enabled = !bar_enabled;
2417                 break;
2418         }
2419
2420         /* update bars as necessary */
2421         num_screens = get_screen_count();
2422         for (i = 0; i < num_screens; i++)
2423                 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
2424                         if (tmpr->bar) {
2425                                 if (bar_enabled && tmpr->ws->bar_enabled)
2426                                         xcb_map_window(conn, tmpr->bar->id);
2427                                 else
2428                                         xcb_unmap_window(conn, tmpr->bar->id);
2429                         }
2430
2431         stack();
2432
2433         /* must be after stack */
2434         bar_draw();
2435
2436         focus_flush();
2437 }
2438
2439 void
2440 bar_extra_setup(void)
2441 {
2442         /* do this here because the conf file is in memory */
2443         if (!bar_extra && bar_argv[0]) {
2444                 /* launch external status app */
2445                 bar_extra = 1;
2446                 if (pipe(bar_pipe) == -1)
2447                         err(1, "pipe error");
2448                 socket_setnonblock(bar_pipe[0]);
2449                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
2450
2451                 /* Set stdin to read from the pipe. */
2452                 if (dup2(bar_pipe[0], STDIN_FILENO) == -1)
2453                         err(1, "dup2");
2454
2455                 /* Set stdout to write to the pipe. */
2456                 if (dup2(bar_pipe[1], STDOUT_FILENO) == -1)
2457                         err(1, "dup2");
2458
2459                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
2460                         err(1, "could not disable SIGPIPE");
2461                 switch (bar_pid = fork()) {
2462                 case -1:
2463                         err(1, "cannot fork");
2464                         break;
2465                 case 0: /* child */
2466                         close(bar_pipe[0]);
2467                         execvp(bar_argv[0], bar_argv);
2468                         err(1, "%s external app failed", bar_argv[0]);
2469                         break;
2470                 default: /* parent */
2471                         close(bar_pipe[1]);
2472                         break;
2473                 }
2474
2475                 atexit(kill_bar_extra_atexit);
2476         }
2477 }
2478
2479 void
2480 kill_bar_extra_atexit(void)
2481 {
2482         if (bar_pid)
2483                 kill(bar_pid, SIGTERM);
2484 }
2485
2486 int
2487 isxlfd(char *s)
2488 {
2489         int      count = 0;
2490
2491         while ((s = index(s, '-'))) {
2492                 ++count;
2493                 ++s;
2494         }
2495
2496         return (count == 14);
2497 }
2498
2499 void
2500 fontset_init(void)
2501 {
2502         char                    *default_string;
2503         char                    **missing_charsets;
2504         int                     num_missing_charsets = 0;
2505         int                     i;
2506
2507         if (bar_fs) {
2508                 XFreeFontSet(display, bar_fs);
2509                 bar_fs = NULL;
2510         }
2511
2512         DNPRINTF(SWM_D_INIT, "fontset_init: loading bar_fonts: %s\n", bar_fonts);
2513
2514         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
2515             &num_missing_charsets, &default_string);
2516
2517         if (num_missing_charsets > 0) {
2518                 warnx("Unable to load charset(s):");
2519
2520                 for (i = 0; i < num_missing_charsets; ++i)
2521                         warnx("%s", missing_charsets[i]);
2522
2523                 XFreeStringList(missing_charsets);
2524
2525                 if (strcmp(default_string, ""))
2526                         warnx("Glyphs from those sets will be replaced "
2527                             "by '%s'.", default_string);
2528                 else
2529                         warnx("Glyphs from those sets won't be drawn.");
2530         }
2531
2532         if (bar_fs == NULL)
2533                 errx(1, "Error creating font set structure.");
2534
2535         bar_fs_extents = XExtentsOfFontSet(bar_fs);
2536
2537         bar_height = bar_fs_extents->max_logical_extent.height +
2538             2 * bar_border_width;
2539
2540         if (bar_height < 1)
2541                 bar_height = 1;
2542 }
2543
2544 void
2545 xft_init(struct swm_region *r)
2546 {
2547         char                    *font, *d, *search;
2548         XRenderColor            color;
2549
2550         if (bar_font == NULL) {
2551                 if ((d = strdup(bar_fonts)) == NULL)
2552                         errx(1, "insufficient memory.");
2553                 search = d;
2554                 while ((font = strsep(&search, ",")) != NULL) {
2555                         if (*font == '\0')
2556                                 continue;
2557
2558                         DNPRINTF(SWM_D_INIT, "xft_init: try font %s\n", font);
2559
2560                         if (isxlfd(font)) {
2561                                 bar_font = XftFontOpenXlfd(display, r->s->idx,
2562                                                 font);
2563                         } else {
2564                                 bar_font = XftFontOpenName(display, r->s->idx,
2565                                                 font);
2566                         }
2567
2568                         if (bar_font == NULL) {
2569                                 warnx("unable to load font %s", font);
2570                                 continue;
2571                         } else {
2572                                 DNPRINTF(SWM_D_INIT, "successfully opened "
2573                                     "font %s\n", font);
2574                                 break;
2575                         }
2576                 }
2577                 free(d);
2578         }
2579
2580         if (bar_font == NULL)
2581                 errx(1, "unable to open a font");
2582
2583         PIXEL_TO_XRENDERCOLOR(r->s->c[SWM_S_COLOR_BAR_FONT].pixel, color);
2584
2585         if (!XftColorAllocValue(display, DefaultVisual(display, r->s->idx),
2586             DefaultColormap(display, r->s->idx), &color, &bar_font_color))
2587                 warn("Xft error: unable to allocate color.");
2588
2589         bar_height = bar_font->height + 2 * bar_border_width;
2590
2591         if (bar_height < 1)
2592                 bar_height = 1;
2593 }
2594
2595 void
2596 bar_setup(struct swm_region *r)
2597 {
2598         xcb_screen_t    *screen;
2599         uint32_t         wa[3];
2600
2601         DNPRINTF(SWM_D_BAR, "bar_setup: screen %d.\n",
2602             r->s->idx);
2603
2604         if ((screen = get_screen(r->s->idx)) == NULL)
2605                 errx(1, "ERROR: can't get screen %d.", r->s->idx);
2606
2607         if (r->bar != NULL)
2608                 return;
2609
2610         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
2611                 err(1, "bar_setup: calloc: failed to allocate memory.");
2612
2613         if (bar_font_legacy)
2614                 fontset_init();
2615         else
2616                 xft_init(r);
2617
2618         X(r->bar) = X(r);
2619         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
2620         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
2621         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
2622
2623         /* Assume region is unfocused when we create the bar. */
2624         r->bar->id = xcb_generate_id(conn);
2625         wa[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
2626         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER_UNFOCUS].pixel;
2627         wa[2] = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_POINTER_MOTION |
2628             XCB_EVENT_MASK_POINTER_MOTION_HINT;
2629
2630         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
2631             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
2632             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
2633             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
2634             | XCB_CW_EVENT_MASK, wa);
2635
2636         r->bar->buffer = xcb_generate_id(conn);
2637         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
2638             WIDTH(r->bar), HEIGHT(r->bar));
2639
2640         if (xrandr_support)
2641                 xcb_randr_select_input(conn, r->bar->id,
2642                     XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
2643
2644         if (bar_enabled)
2645                 xcb_map_window(conn, r->bar->id);
2646
2647         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
2648             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
2649             HEIGHT(r->bar));
2650
2651         bar_extra_setup();
2652 }
2653
2654 void
2655 bar_cleanup(struct swm_region *r)
2656 {
2657         if (r->bar == NULL)
2658                 return;
2659         xcb_destroy_window(conn, r->bar->id);
2660         xcb_free_pixmap(conn, r->bar->buffer);
2661         free(r->bar);
2662         r->bar = NULL;
2663 }
2664
2665 void
2666 set_win_state(struct ws_win *win, uint16_t state)
2667 {
2668         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2669
2670         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x, state: %u\n",
2671             win->id, state);
2672
2673         if (win == NULL)
2674                 return;
2675
2676         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
2677             a_state, 32, 2, data);
2678 }
2679
2680 uint32_t
2681 getstate(xcb_window_t w)
2682 {
2683         uint32_t                        result = 0;
2684         xcb_get_property_cookie_t       c;
2685         xcb_get_property_reply_t        *r;
2686
2687         c = xcb_get_property(conn, 0, w, a_state, a_state, 0L, 2L);
2688         r = xcb_get_property_reply(conn, c, NULL);
2689         if (r) {
2690                 if (r->type == a_state && r->format == 32 && r->length == 2)
2691                         result = *((uint32_t *)xcb_get_property_value(r));
2692                 free(r);
2693         }
2694
2695         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
2696             result);
2697         return (result);
2698 }
2699
2700 void
2701 version(struct swm_region *r, union arg *args)
2702 {
2703         /* suppress unused warnings since vars are needed */
2704         (void)r;
2705         (void)args;
2706
2707         bar_version = !bar_version;
2708         if (bar_version)
2709                 snprintf(bar_vertext, sizeof bar_vertext,
2710                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2711         else
2712                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2713
2714         bar_draw();
2715         xcb_flush(conn);
2716 }
2717
2718 void
2719 client_msg(struct ws_win *win, xcb_atom_t a, xcb_timestamp_t t)
2720 {
2721         xcb_client_message_event_t      ev;
2722 #ifdef SWM_DEBUG
2723         char                            *name;
2724 #endif
2725
2726         if (win == NULL)
2727                 return;
2728 #ifdef SWM_DEBUG
2729         name = get_atom_name(a);
2730         DNPRINTF(SWM_D_EVENT, "client_msg: window: 0x%x, atom: %s(%u), "
2731             "time: %#x\n",
2732             win->id, name, a, t);
2733         free(name);
2734 #endif
2735
2736         bzero(&ev, sizeof ev);
2737         ev.response_type = XCB_CLIENT_MESSAGE;
2738         ev.window = win->id;
2739         ev.type = a_prot;
2740         ev.format = 32;
2741         ev.data.data32[0] = a;
2742         ev.data.data32[1] = t;
2743
2744         xcb_send_event(conn, 0, win->id,
2745             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2746 }
2747
2748 /* synthetic response to a ConfigureRequest when not making a change */
2749 void
2750 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2751 {
2752         xcb_configure_notify_event_t ce;
2753
2754         if (win == NULL)
2755                 return;
2756
2757         /* send notification of unchanged state. */
2758         bzero(&ce, sizeof(ce));
2759         ce.response_type = XCB_CONFIGURE_NOTIFY;
2760         ce.x = X(win);
2761         ce.y = Y(win);
2762         ce.width = WIDTH(win);
2763         ce.height = HEIGHT(win);
2764         ce.override_redirect = 0;
2765
2766         if (ev == NULL) {
2767                 /* EWMH */
2768                 ce.event = win->id;
2769                 ce.window = win->id;
2770                 ce.border_width = BORDER(win);
2771                 ce.above_sibling = XCB_WINDOW_NONE;
2772         } else {
2773                 /* normal */
2774                 ce.event = ev->window;
2775                 ce.window = ev->window;
2776
2777                 /* make response appear more WM_SIZE_HINTS-compliant */
2778                 if (win->sh.flags) {
2779                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2780                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2781                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2782                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2783                             SH_INC_W(win), SH_INC_H(win));
2784                 }
2785
2786                 /* min size */
2787                 if (SH_MIN(win)) {
2788                         /* the hint may be set... to 0! */
2789                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2790                                 ce.width = SH_MIN_W(win);
2791                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2792                                 ce.height = SH_MIN_H(win);
2793                 }
2794
2795                 /* max size */
2796                 if (SH_MAX(win)) {
2797                         /* may also be advertized as 0 */
2798                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2799                                 ce.width = SH_MAX_W(win);
2800                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2801                                 ce.height = SH_MAX_H(win);
2802                 }
2803
2804                 /* resize increment. */
2805                 if (SH_INC(win)) {
2806                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2807                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2808                                     SH_INC_W(win);
2809                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2810                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2811                                     SH_INC_H(win);
2812                 }
2813
2814                 /* adjust x and y for requested border_width. */
2815                 ce.x += BORDER(win) - ev->border_width;
2816                 ce.y += BORDER(win) - ev->border_width;
2817                 ce.border_width = ev->border_width;
2818                 ce.above_sibling = ev->sibling;
2819         }
2820
2821         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2822             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2823             ce.y, ce.width, ce.height, ce.border_width);
2824
2825         xcb_send_event(conn, 0, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2826             (char *)&ce);
2827 }
2828
2829 int
2830 count_win(struct workspace *ws, int count_transient)
2831 {
2832         struct ws_win           *win;
2833         int                     count = 0;
2834
2835         TAILQ_FOREACH(win, &ws->winlist, entry) {
2836                 if (!count_transient && win->floating)
2837                         continue;
2838                 if (!count_transient && win->transient)
2839                         continue;
2840                 if (win->iconic)
2841                         continue;
2842                 count++;
2843         }
2844         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2845
2846         return (count);
2847 }
2848
2849 void
2850 quit(struct swm_region *r, union arg *args)
2851 {
2852         /* suppress unused warnings since vars are needed */
2853         (void)r;
2854         (void)args;
2855
2856         DNPRINTF(SWM_D_MISC, "quit\n");
2857         running = 0;
2858 }
2859
2860 void
2861 map_window(struct ws_win *win, xcb_window_t sibling)
2862 {
2863         uint16_t                mode = XCB_CONFIG_WINDOW_STACK_MODE;
2864         uint32_t                val[2];
2865         int                     i = 0;
2866
2867         /* If sibling is specified, stack right above it. */
2868         if (sibling != XCB_WINDOW_NONE) {
2869                 mode |= XCB_CONFIG_WINDOW_SIBLING;
2870                 val[i++] = sibling;
2871         }
2872
2873         val[i] = XCB_STACK_MODE_ABOVE;
2874
2875         if (win == NULL)
2876                 return;
2877
2878         DNPRINTF(SWM_D_EVENT, "map_window: win 0x%x, mapped: %s, "
2879             "sibling: 0x%x\n", win->id, YESNO(win->mapped), sibling);
2880
2881         xcb_configure_window(conn, win->id, mode, val);
2882
2883         if (win->mapped)
2884                 return;
2885
2886         xcb_map_window(conn, win->id);
2887         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
2888         win->mapped = 1;
2889 }
2890
2891 void
2892 unmap_window(struct ws_win *win)
2893 {
2894         if (win == NULL)
2895                 return;
2896
2897         DNPRINTF(SWM_D_EVENT, "unmap_window: win 0x%x, mapped: %s\n", win->id,
2898             YESNO(win->mapped));
2899
2900         if (!win->mapped)
2901                 return;
2902
2903         xcb_unmap_window(conn, win->id);
2904         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2905         win->mapped = 0;
2906 }
2907
2908 void
2909 unmap_all(void)
2910 {
2911         struct ws_win           *win;
2912         int                     i, j, num_screens;
2913
2914         num_screens = get_screen_count();
2915         for (i = 0; i < num_screens; i++)
2916                 for (j = 0; j < workspace_limit; j++)
2917                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2918                                 unmap_window(win);
2919 }
2920
2921 void
2922 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2923 {
2924         xcb_key_press_event_t   event;
2925         xcb_keycode_t           *keycode;
2926
2927         if (win == NULL)
2928                 return;
2929
2930         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2931
2932         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2933             win->id, *keycode);
2934
2935         bzero(&event, sizeof(event));
2936         event.event = win->id;
2937         event.root = win->s->root;
2938         event.child = XCB_WINDOW_NONE;
2939         event.time = XCB_CURRENT_TIME;
2940         event.event_x = X(win);
2941         event.event_y = Y(win);
2942         event.root_x = 1;
2943         event.root_y = 1;
2944         event.same_screen = 1;
2945         event.detail = *keycode;
2946         event.state = modifiers;
2947
2948         event.response_type = XCB_KEY_PRESS;
2949         xcb_send_event(conn, 1, win->id,
2950             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2951
2952         event.response_type = XCB_KEY_RELEASE;
2953         xcb_send_event(conn, 1, win->id,
2954             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2955
2956         free(keycode);
2957 }
2958
2959 void
2960 restart(struct swm_region *r, union arg *args)
2961 {
2962         /* suppress unused warning since var is needed */
2963         (void)r;
2964         (void)args;
2965
2966         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2967
2968         shutdown_cleanup();
2969
2970         execvp(start_argv[0], start_argv);
2971         warn("execvp failed");
2972         quit(NULL, NULL);
2973 }
2974
2975 struct ws_win *
2976 get_pointer_win(xcb_window_t root)
2977 {
2978         struct ws_win                   *win = NULL;
2979         xcb_query_pointer_reply_t       *r;
2980
2981         DNPRINTF(SWM_D_EVENT, "get_pointer_win: root: 0x%x.\n", root);
2982
2983         r = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, root), NULL);
2984         if (r) {
2985                 win = find_window(r->child);
2986                 if (win) {
2987                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: 0x%x.\n",
2988                             win->id);
2989                 } else {
2990                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: none.\n");
2991                 }
2992                 free(r);
2993         }
2994
2995         return win;
2996 }
2997
2998 struct swm_region *
2999 root_to_region(xcb_window_t root, int check)
3000 {
3001         struct ws_win                   *cfw;
3002         struct swm_region               *r = NULL;
3003         int                             i, num_screens;
3004         xcb_query_pointer_reply_t       *qpr;
3005         xcb_get_input_focus_reply_t     *gifr;
3006
3007         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
3008
3009         num_screens = get_screen_count();
3010         for (i = 0; i < num_screens; i++)
3011                 if (screens[i].root == root)
3012                         break;
3013
3014         if (check & SWM_CK_REGION)
3015                 r = screens[i].r_focus;
3016
3017         if (r == NULL && check & SWM_CK_FOCUS) {
3018                 /* Try to find an actively focused window */
3019                 gifr = xcb_get_input_focus_reply(conn,
3020                     xcb_get_input_focus(conn), NULL);
3021                 if (gifr) {
3022                         cfw = find_window(gifr->focus);
3023                         if (cfw && cfw->ws->r)
3024                                 r = cfw->ws->r;
3025
3026                         free(gifr);
3027                 }
3028         }
3029
3030         if (r == NULL && check & SWM_CK_POINTER) {
3031                 /* No region with an active focus; try to use pointer. */
3032                 qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
3033                     screens[i].root), NULL);
3034                 if (qpr) {
3035                         DNPRINTF(SWM_D_MISC, "root_to_region: pointer: "
3036                             "(%d,%d)\n", qpr->root_x, qpr->root_y);
3037                         TAILQ_FOREACH(r, &screens[i].rl, entry)
3038                                 if (X(r) <= qpr->root_x &&
3039                                     qpr->root_x < MAX_X(r) &&
3040                                     Y(r) <= qpr->root_y &&
3041                                     qpr->root_y < MAX_Y(r))
3042                                         break;
3043                         free(qpr);
3044                 }
3045         }
3046
3047         /* Last resort. */
3048         if (r == NULL && check & SWM_CK_FALLBACK)
3049                 r = TAILQ_FIRST(&screens[i].rl);
3050
3051         DNPRINTF(SWM_D_MISC, "root_to_region: idx: %d\n", get_region_index(r));
3052
3053         return (r);
3054 }
3055
3056 struct ws_win *
3057 find_unmanaged_window(xcb_window_t id)
3058 {
3059         struct ws_win           *win;
3060         int                     i, j, num_screens;
3061
3062         num_screens = get_screen_count();
3063         for (i = 0; i < num_screens; i++)
3064                 for (j = 0; j < workspace_limit; j++)
3065                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
3066                             entry)
3067                                 if (id == win->id)
3068                                         return (win);
3069         return (NULL);
3070 }
3071
3072 struct ws_win *
3073 find_window(xcb_window_t id)
3074 {
3075         struct ws_win           *win;
3076         int                     i, j, num_screens;
3077         xcb_query_tree_reply_t  *r;
3078
3079         num_screens = get_screen_count();
3080         for (i = 0; i < num_screens; i++)
3081                 for (j = 0; j < workspace_limit; j++)
3082                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
3083                                 if (id == win->id)
3084                                         return (win);
3085
3086         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
3087         if (r == NULL)
3088                 return (NULL);
3089
3090         /* if we were looking for the parent return that window instead */
3091         if (r->parent == 0 || r->root == r->parent) {
3092                 free(r);
3093                 return (NULL);
3094         }
3095
3096         /* look for parent */
3097         for (i = 0; i < num_screens; i++)
3098                 for (j = 0; j < workspace_limit; j++)
3099                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
3100                                 if (r->parent == win->id) {
3101                                         free(r);
3102                                         return (win);
3103                                 }
3104
3105         free(r);
3106         return (NULL);
3107 }
3108
3109 void
3110 spawn(int ws_idx, union arg *args, int close_fd)
3111 {
3112         int                     fd;
3113         char                    *ret = NULL;
3114
3115         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
3116
3117         close(xcb_get_file_descriptor(conn));
3118
3119         setenv("LD_PRELOAD", SWM_LIB, 1);
3120
3121         if (asprintf(&ret, "%d", ws_idx) == -1) {
3122                 warn("spawn: asprintf SWM_WS");
3123                 _exit(1);
3124         }
3125         setenv("_SWM_WS", ret, 1);
3126         free(ret);
3127         ret = NULL;
3128
3129         if (asprintf(&ret, "%d", getpid()) == -1) {
3130                 warn("spawn: asprintf _SWM_PID");
3131                 _exit(1);
3132         }
3133         setenv("_SWM_PID", ret, 1);
3134         free(ret);
3135         ret = NULL;
3136
3137         if (setsid() == -1) {
3138                 warn("spawn: setsid");
3139                 _exit(1);
3140         }
3141
3142         if (close_fd) {
3143                 /*
3144                  * close stdin and stdout to prevent interaction between apps
3145                  * and the baraction script
3146                  * leave stderr open to record errors
3147                 */
3148                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
3149                         warn("spawn: open");
3150                         _exit(1);
3151                 }
3152                 dup2(fd, STDIN_FILENO);
3153                 dup2(fd, STDOUT_FILENO);
3154                 if (fd > 2)
3155                         close(fd);
3156         }
3157
3158         execvp(args->argv[0], args->argv);
3159
3160         warn("spawn: execvp");
3161         _exit(1);
3162 }
3163
3164 void
3165 kill_refs(struct ws_win *win)
3166 {
3167         int                     i, x, num_screens;
3168         struct swm_region       *r;
3169         struct workspace        *ws;
3170
3171         if (win == NULL)
3172                 return;
3173
3174         num_screens = get_screen_count();
3175         for (i = 0; i < num_screens; i++)
3176                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3177                         for (x = 0; x < workspace_limit; x++) {
3178                                 ws = &r->s->ws[x];
3179                                 if (win == ws->focus)
3180                                         ws->focus = NULL;
3181                                 if (win == ws->focus_prev)
3182                                         ws->focus_prev = NULL;
3183                         }
3184 }
3185
3186 int
3187 validate_win(struct ws_win *testwin)
3188 {
3189         struct ws_win           *win;
3190         struct workspace        *ws;
3191         struct swm_region       *r;
3192         int                     i, x, num_screens;
3193
3194         if (testwin == NULL)
3195                 return (0);
3196
3197         num_screens = get_screen_count();
3198         for (i = 0; i < num_screens; i++)
3199                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3200                         for (x = 0; x < workspace_limit; x++) {
3201                                 ws = &r->s->ws[x];
3202                                 TAILQ_FOREACH(win, &ws->winlist, entry)
3203                                         if (win == testwin)
3204                                                 return (0);
3205                         }
3206         return (1);
3207 }
3208
3209 int
3210 validate_ws(struct workspace *testws)
3211 {
3212         struct swm_region       *r;
3213         struct workspace        *ws;
3214         int                     i, x, num_screens;
3215
3216         /* validate all ws */
3217         num_screens = get_screen_count();
3218         for (i = 0; i < num_screens; i++)
3219                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3220                         for (x = 0; x < workspace_limit; x++) {
3221                                 ws = &r->s->ws[x];
3222                                 if (ws == testws)
3223                                         return (0);
3224                         }
3225         return (1);
3226 }
3227
3228 xcb_window_t
3229 get_sibling(struct ws_win *win, int mode)
3230 {
3231         struct ws_win           *w = win;
3232
3233         switch (mode) {
3234         case SWM_STACK_TOP:
3235                 TAILQ_FOREACH_REVERSE(w, &w->ws->winlist, ws_win_list, entry)
3236                         if (w != win && !w->floating && !w->iconic)
3237                                 break;
3238                 break;
3239         case SWM_STACK_ABOVE:
3240                 do {
3241                         w = TAILQ_NEXT(w, entry);
3242                 } while (w != NULL && (w == win || w->floating || w->iconic));
3243                 break;
3244         case SWM_STACK_BELOW:
3245                 do {
3246                         w = TAILQ_PREV(w, ws_win_list, entry);
3247                 } while (w != NULL && (w == win || w->floating || w->iconic));
3248                 break;
3249         case SWM_STACK_BOTTOM:
3250                 TAILQ_FOREACH(w, &w->ws->winlist, entry)
3251                         if (w != win && !w->floating && !w->iconic)
3252                                 break;
3253                 break;
3254         default:
3255                 w = NULL;
3256         }
3257
3258         if (w == NULL)
3259                 return (win->ws->r->id);
3260         else
3261                 return (w->id);
3262 }
3263
3264 void
3265 unfocus_win(struct ws_win *win)
3266 {
3267         xcb_window_t            none = XCB_WINDOW_NONE;
3268
3269         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
3270
3271         if (win == NULL)
3272                 return;
3273         if (win->ws == NULL) {
3274                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL ws.\n");
3275                 return;
3276         }
3277
3278         if (validate_ws(win->ws)) {
3279                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid ws.\n");
3280                 return;
3281         }
3282
3283         if (win->ws->r == NULL) {
3284                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL region.\n");
3285                 return;
3286         }
3287
3288         if (validate_win(win)) {
3289                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid win.\n");
3290                 kill_refs(win);
3291                 return;
3292         }
3293
3294         if (win->ws->focus == win) {
3295                 if (tile_gap < 0 && !win->floating)
3296                         map_window(win, get_sibling(win, SWM_STACK_BELOW));
3297                 win->ws->focus = NULL;
3298                 win->ws->focus_prev = win;
3299         }
3300
3301         if (validate_win(win->ws->focus)) {
3302                 kill_refs(win->ws->focus);
3303                 win->ws->focus = NULL;
3304         }
3305
3306         if (validate_win(win->ws->focus_prev)) {
3307                 kill_refs(win->ws->focus_prev);
3308                 win->ws->focus_prev = NULL;
3309         }
3310
3311         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3312             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
3313
3314         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3315             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
3316
3317         DNPRINTF(SWM_D_FOCUS, "unfocus_win: done.\n");
3318 }
3319
3320 void
3321 focus_win(struct ws_win *win)
3322 {
3323         struct ws_win                   *cfw = NULL, *parent = NULL, *w;
3324         struct workspace                *ws;
3325         xcb_get_input_focus_reply_t     *r;
3326
3327         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
3328
3329         if (win == NULL)
3330                 goto out;
3331
3332         if (win->ws == NULL)
3333                 goto out;
3334
3335         if (!win->mapped)
3336                 goto out;
3337
3338         ws = win->ws;
3339
3340         if (validate_ws(ws))
3341                 goto out;
3342
3343         if (validate_win(win)) {
3344                 kill_refs(win);
3345                 goto out;
3346         }
3347
3348         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
3349         if (r) {
3350                 cfw = find_window(r->focus);
3351                 if (cfw != win)
3352                         unfocus_win(cfw);
3353                 free(r);
3354         }
3355
3356         if (ws->focus != win) {
3357                 if (ws->focus && ws->focus != cfw)
3358                         unfocus_win(ws->focus);
3359                 ws->focus = win;
3360         }
3361
3362         /* If this window directs focus to a child window, then clear. */
3363         if (win->focus_child)
3364                 win->focus_child = NULL;
3365
3366         /* If transient, adjust parent's focus child for focus_magic. */
3367         if (win->transient) {
3368                 parent = find_window(win->transient);
3369                 if (parent && parent->focus_child != win)
3370                         parent->focus_child = win;
3371         }
3372
3373         if (cfw != win && ws->r != NULL) {
3374                 /* Set input focus if no input hint, or indicated by hint. */
3375                 if (!(win->hints.flags & XCB_ICCCM_WM_HINT_INPUT) ||
3376                     (win->hints.flags & XCB_ICCCM_WM_HINT_INPUT &&
3377                      win->hints.input))
3378                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3379                                         win->id, last_event_time);
3380                 else
3381                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3382                             ws->r->id, XCB_CURRENT_TIME);
3383
3384                 /* Tell app it can adjust focus to a specific window. */
3385                 if (win->take_focus) {
3386                         /* java is special; always tell parent */
3387                         if (win->transient && win->java)
3388                                 client_msg(parent, a_takefocus,
3389                                     last_event_time);
3390                         else
3391                                 client_msg(win, a_takefocus, last_event_time);
3392                 }
3393
3394                 xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3395                     &ws->r->s->c[SWM_S_COLOR_FOCUS].pixel);
3396
3397                 if (ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
3398                     ws->always_raise) {
3399                         /* If a parent exists, map it first. */
3400                         if (parent) {
3401                                 map_window(parent, XCB_WINDOW_NONE);
3402
3403                                 /* Map siblings next. */
3404                                 TAILQ_FOREACH(w, &ws->winlist, entry)
3405                                         if (w != win && !w->iconic &&
3406                                             w->transient == parent->id)
3407                                                 map_window(w, XCB_WINDOW_NONE);
3408                         }
3409
3410                         /* Map focused window. */
3411                         map_window(win, XCB_WINDOW_NONE);
3412
3413                         /* Finally, map children of focus window. */
3414                         TAILQ_FOREACH(w, &ws->winlist, entry)
3415                                 if (w->transient == win->id && !w->iconic)
3416                                         map_window(w, XCB_WINDOW_NONE);
3417                 } else if (tile_gap < 0 && !win->floating) {
3418                         /*
3419                          * Windows overlap in the layout.
3420                          * Raise focused win above all tiled wins.
3421                          */
3422                         if (tile_gap < 0 && !win->floating)
3423                                 map_window(win,
3424                                     get_sibling(win, SWM_STACK_TOP));
3425                 }
3426
3427                 set_region(ws->r);
3428
3429                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3430                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
3431                     &win->id);
3432         }
3433
3434 out:
3435         bar_draw();
3436
3437         DNPRINTF(SWM_D_FOCUS, "focus_win: done.\n");
3438 }
3439
3440 /* If a child window should have focus instead, return it. */
3441 struct ws_win *
3442 get_focus_magic(struct ws_win *win)
3443 {
3444         struct ws_win   *parent = NULL;
3445         struct ws_win   *child = NULL;
3446
3447         DNPRINTF(SWM_D_FOCUS, "get_focus_magic: window: 0x%x\n", WINID(win));
3448         if (win == NULL)
3449                 return win;
3450
3451         if (win->transient) {
3452                 parent = find_window(win->transient);
3453
3454                 /* If parent prefers focus elsewhere, then try to do so. */
3455                 if (parent && (child = parent->focus_child)) {
3456                         if (validate_win(child) == 0 && child->mapped)
3457                                 win = child;
3458                         else
3459                                 parent->focus_child = NULL;
3460                 }
3461         }
3462
3463         /* If this window prefers focus elsewhere, then try to do so. */
3464         if ((child = win->focus_child)) {
3465                 if (validate_win(child) == 0 && child->mapped)
3466                         win = child;
3467                 else
3468                         win->focus_child = NULL;
3469         }
3470
3471         return win;
3472 }
3473
3474 void
3475 event_drain(uint8_t rt)
3476 {
3477         xcb_generic_event_t     *evt;
3478
3479         /* ensure all pending requests have been processed before filtering. */
3480         xcb_aux_sync(conn);
3481         while ((evt = xcb_poll_for_event(conn))) {
3482                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
3483                         event_handle(evt);
3484
3485                 free(evt);
3486         }
3487 }
3488
3489 void
3490 set_region(struct swm_region *r)
3491 {
3492         struct swm_region       *rf;
3493
3494         if (r == NULL)
3495                 return;
3496
3497         rf = r->s->r_focus;
3498         /* Unfocus old region bar. */
3499         if (rf) {
3500                 if (rf == r)
3501                         return;
3502
3503                 xcb_change_window_attributes(conn, rf->bar->id,
3504                     XCB_CW_BORDER_PIXEL,
3505                     &r->s->c[SWM_S_COLOR_BAR_BORDER_UNFOCUS].pixel);
3506         }
3507
3508         /* Set region bar border to focus_color. */
3509         xcb_change_window_attributes(conn, r->bar->id,
3510             XCB_CW_BORDER_PIXEL, &r->s->c[SWM_S_COLOR_BAR_BORDER].pixel);
3511
3512         r->s->r_focus = r;
3513 }
3514
3515 void
3516 focus_region(struct swm_region *r)
3517 {
3518         struct ws_win           *nfw;
3519         struct swm_region       *old_r;
3520
3521         if (r == NULL)
3522                 return;
3523
3524         old_r = r->s->r_focus;
3525         set_region(r);
3526
3527         nfw = get_region_focus(r);
3528         if (nfw) {
3529                 focus_win(nfw);
3530         } else {
3531                 /* New region is empty; need to manually unfocus win. */
3532                 if (old_r)
3533                         unfocus_win(old_r->ws->focus);
3534
3535                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT, r->id,
3536                     XCB_CURRENT_TIME);
3537
3538                 /* Clear bar since empty. */
3539                 bar_draw();
3540         }
3541 }
3542
3543 void
3544 switchws(struct swm_region *r, union arg *args)
3545 {
3546         struct swm_region       *this_r, *other_r;
3547         struct ws_win           *win;
3548         struct workspace        *new_ws, *old_ws;
3549         xcb_window_t            none = XCB_WINDOW_NONE;
3550         int                     wsid = args->id, unmap_old = 0;
3551
3552         if (!(r && r->s))
3553                 return;
3554
3555         if (wsid >= workspace_limit)
3556                 return;
3557
3558         this_r = r;
3559         old_ws = this_r->ws;
3560         new_ws = &this_r->s->ws[wsid];
3561
3562         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
3563             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
3564
3565         if (new_ws == NULL || old_ws == NULL)
3566                 return;
3567         if (new_ws == old_ws)
3568                 return;
3569
3570         if ((win = old_ws->focus) != NULL) {
3571                 xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3572                     &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
3573
3574                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3575                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
3576                     &none);
3577         }
3578
3579         other_r = new_ws->r;
3580         if (other_r == NULL) {
3581                 /* the other workspace is hidden, hide this one */
3582                 old_ws->r = NULL;
3583                 unmap_old = 1;
3584         } else {
3585                 /* the other ws is visible in another region, exchange them */
3586                 other_r->ws_prior = new_ws;
3587                 other_r->ws = old_ws;
3588                 old_ws->r = other_r;
3589         }
3590         this_r->ws_prior = old_ws;
3591         this_r->ws = new_ws;
3592         new_ws->r = this_r;
3593
3594         /* Set focus_pending before stacking, if needed. */
3595         if (focus_mode != SWM_FOCUS_FOLLOW && (!new_ws->focus_pending ||
3596             validate_win(new_ws->focus_pending))) {
3597                 new_ws->focus_pending = get_region_focus(new_ws->r);
3598                 new_ws->focus = new_ws->focus_prev;
3599                 new_ws->focus_prev = NULL;
3600         }
3601
3602         stack();
3603
3604         /* unmap old windows */
3605         if (unmap_old)
3606                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
3607                         unmap_window(win);
3608
3609         /* if workspaces were swapped, then don't wait to set focus */
3610         if (old_ws->r && focus_mode != SWM_FOCUS_FOLLOW) {
3611                 if (new_ws->focus_pending) {
3612                         focus_win(new_ws->focus_pending);
3613                         new_ws->focus_pending = NULL;
3614                 }
3615         }
3616
3617         /* Clear bar and set focus on region input win if new ws is empty. */
3618         if (new_ws->focus_pending == NULL && new_ws->focus == NULL) {
3619                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT, r->id,
3620                     XCB_CURRENT_TIME);
3621                 bar_draw();
3622         }
3623
3624         focus_flush();
3625
3626         DNPRINTF(SWM_D_WS, "switchws: done.\n");
3627 }
3628
3629 void
3630 cyclews(struct swm_region *r, union arg *args)
3631 {
3632         union                   arg a;
3633         struct swm_screen       *s = r->s;
3634         int                     cycle_all = 0;
3635         int                     move = 0;
3636
3637         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3638             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3639
3640         a.id = r->ws->idx;
3641
3642         do {
3643                 switch (args->id) {
3644                 case SWM_ARG_ID_CYCLEWS_MOVE_UP:
3645                         move = 1;
3646                         /* FALLTHROUGH */
3647                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
3648                         cycle_all = 1;
3649                         /* FALLTHROUGH */
3650                 case SWM_ARG_ID_CYCLEWS_UP:
3651                         a.id = (a.id < workspace_limit - 1) ? a.id + 1 : 0;
3652                         break;
3653                 case SWM_ARG_ID_CYCLEWS_MOVE_DOWN:
3654                         move = 1;
3655                         /* FALLTHROUGH */
3656                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
3657                         cycle_all = 1;
3658                         /* FALLTHROUGH */
3659                 case SWM_ARG_ID_CYCLEWS_DOWN:
3660                         a.id = (a.id > 0) ? a.id - 1 : workspace_limit - 1;
3661                         break;
3662                 default:
3663                         return;
3664                 };
3665
3666                 if (!cycle_all &&
3667                     (!cycle_empty && TAILQ_EMPTY(&s->ws[a.id].winlist)))
3668                         continue;
3669                 if (!cycle_visible && s->ws[a.id].r != NULL)
3670                         continue;
3671
3672                 if (move)
3673                         send_to_ws(r, &a);
3674
3675                 switchws(r, &a);
3676         } while (a.id != r->ws->idx);
3677 }
3678
3679 void
3680 priorws(struct swm_region *r, union arg *args)
3681 {
3682         union arg               a;
3683
3684         (void)args;
3685
3686         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3687             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3688
3689         if (r->ws_prior == NULL)
3690                 return;
3691
3692         a.id = r->ws_prior->idx;
3693         switchws(r, &a);
3694 }
3695
3696 void
3697 focusrg(struct swm_region *r, union arg *args)
3698 {
3699         int                     ridx = args->id, i, num_screens;
3700         struct swm_region       *rr = NULL;
3701
3702         num_screens = get_screen_count();
3703         /* do nothing if we don't have more than one screen */
3704         if (!(num_screens > 1 || outputs > 1))
3705                 return;
3706
3707         DNPRINTF(SWM_D_FOCUS, "focusrg: id: %d\n", ridx);
3708
3709         rr = TAILQ_FIRST(&r->s->rl);
3710         for (i = 0; i < ridx && rr != NULL; ++i)
3711                 rr = TAILQ_NEXT(rr, entry);
3712
3713         if (rr == NULL)
3714                 return;
3715
3716         focus_region(rr);
3717         focus_flush();
3718 }
3719
3720 void
3721 cyclerg(struct swm_region *r, union arg *args)
3722 {
3723         struct swm_region       *rr = NULL;
3724         int                     i, num_screens;
3725
3726         num_screens = get_screen_count();
3727         /* do nothing if we don't have more than one screen */
3728         if (!(num_screens > 1 || outputs > 1))
3729                 return;
3730
3731         i = r->s->idx;
3732         switch (args->id) {
3733         case SWM_ARG_ID_CYCLERG_UP:
3734                 rr = TAILQ_NEXT(r, entry);
3735                 if (rr == NULL)
3736                         rr = TAILQ_FIRST(&screens[i].rl);
3737                 break;
3738         case SWM_ARG_ID_CYCLERG_DOWN:
3739                 rr = TAILQ_PREV(r, swm_region_list, entry);
3740                 if (rr == NULL)
3741                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
3742                 break;
3743         default:
3744                 return;
3745         };
3746         if (rr == NULL)
3747                 return;
3748
3749         focus_region(rr);
3750         focus_flush();
3751 }
3752
3753 void
3754 sort_windows(struct ws_win_list *wl)
3755 {
3756         struct ws_win           *win, *parent, *nxt;
3757
3758         if (wl == NULL)
3759                 return;
3760
3761         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
3762                 nxt = TAILQ_NEXT(win, entry);
3763                 if (win->transient) {
3764                         parent = find_window(win->transient);
3765                         if (parent == NULL) {
3766                                 warnx("not possible bug");
3767                                 continue;
3768                         }
3769                         TAILQ_REMOVE(wl, win, entry);
3770                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
3771                 }
3772         }
3773
3774 }
3775
3776 void
3777 swapwin(struct swm_region *r, union arg *args)
3778 {
3779         struct ws_win           *target, *source;
3780         struct ws_win           *cur_focus;
3781         struct ws_win_list      *wl;
3782
3783         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3784             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3785
3786         cur_focus = r->ws->focus;
3787         if (cur_focus == NULL)
3788                 return;
3789
3790         source = cur_focus;
3791         wl = &source->ws->winlist;
3792
3793         switch (args->id) {
3794         case SWM_ARG_ID_SWAPPREV:
3795                 if (source->transient)
3796                         source = find_window(source->transient);
3797                 target = TAILQ_PREV(source, ws_win_list, entry);
3798                 if (target && target->transient)
3799                         target = find_window(target->transient);
3800                 TAILQ_REMOVE(wl, source, entry);
3801                 if (target == NULL)
3802                         TAILQ_INSERT_TAIL(wl, source, entry);
3803                 else
3804                         TAILQ_INSERT_BEFORE(target, source, entry);
3805                 break;
3806         case SWM_ARG_ID_SWAPNEXT:
3807                 target = TAILQ_NEXT(source, entry);
3808                 /* move the parent and let the sort handle the move */
3809                 if (source->transient)
3810                         source = find_window(source->transient);
3811                 TAILQ_REMOVE(wl, source, entry);
3812                 if (target == NULL)
3813                         TAILQ_INSERT_HEAD(wl, source, entry);
3814                 else
3815                         TAILQ_INSERT_AFTER(wl, target, source, entry);
3816                 break;
3817         case SWM_ARG_ID_SWAPMAIN:
3818                 target = TAILQ_FIRST(wl);
3819                 if (target == source) {
3820                         if (source->ws->focus_prev != NULL &&
3821                             source->ws->focus_prev != target)
3822                                 source = source->ws->focus_prev;
3823                         else
3824                                 return;
3825                 }
3826                 if (target == NULL || source == NULL)
3827                         return;
3828                 source->ws->focus_prev = target;
3829                 TAILQ_REMOVE(wl, target, entry);
3830                 TAILQ_INSERT_BEFORE(source, target, entry);
3831                 TAILQ_REMOVE(wl, source, entry);
3832                 TAILQ_INSERT_HEAD(wl, source, entry);
3833                 break;
3834         case SWM_ARG_ID_MOVELAST:
3835                 TAILQ_REMOVE(wl, source, entry);
3836                 TAILQ_INSERT_TAIL(wl, source, entry);
3837                 break;
3838         default:
3839                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
3840                 return;
3841         }
3842
3843         sort_windows(wl);
3844
3845         stack();
3846
3847         focus_flush();
3848 }
3849
3850 struct ws_win *
3851 get_focus_prev(struct ws_win *win)
3852 {
3853         struct ws_win           *winfocus = NULL;
3854         struct ws_win           *cur_focus = NULL;
3855         struct ws_win_list      *wl = NULL;
3856         struct workspace        *ws = NULL;
3857
3858         if (!(win && win->ws))
3859                 return NULL;
3860
3861         ws = win->ws;
3862         wl = &ws->winlist;
3863         cur_focus = ws->focus;
3864
3865         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: window: 0x%x, cur_focus: 0x%x\n",
3866             WINID(win), WINID(cur_focus));
3867
3868         /* pickle, just focus on whatever */
3869         if (cur_focus == NULL) {
3870                 /* use prev_focus if valid */
3871                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
3872                     find_window(WINID(ws->focus_prev)))
3873                         winfocus = ws->focus_prev;
3874                 goto done;
3875         }
3876
3877         /* if transient focus on parent */
3878         if (cur_focus->transient) {
3879                 winfocus = find_window(cur_focus->transient);
3880                 goto done;
3881         }
3882
3883         /* if in max_stack try harder */
3884         if ((win->quirks & SWM_Q_FOCUSPREV) ||
3885             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
3886                 if (cur_focus != ws->focus_prev)
3887                         winfocus = ws->focus_prev;
3888                 else
3889                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3890                 if (winfocus)
3891                         goto done;
3892         }
3893
3894         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: focus_close: %d\n", focus_close);
3895
3896         if (winfocus == NULL || winfocus == win) {
3897                 switch (focus_close) {
3898                 case SWM_STACK_BOTTOM:
3899                         TAILQ_FOREACH(winfocus, wl, entry)
3900                                 if (!winfocus->iconic && winfocus != cur_focus)
3901                                         break;
3902                         break;
3903                 case SWM_STACK_TOP:
3904                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
3905                                 if (!winfocus->iconic && winfocus != cur_focus)
3906                                         break;
3907                         break;
3908                 case SWM_STACK_ABOVE:
3909                         winfocus = TAILQ_NEXT(cur_focus, entry);
3910                         while (winfocus && winfocus->iconic)
3911                                 winfocus = TAILQ_NEXT(winfocus, entry);
3912
3913                         if (winfocus == NULL) {
3914                                 if (focus_close_wrap) {
3915                                         TAILQ_FOREACH(winfocus, wl, entry)
3916                                                 if (!winfocus->iconic &&
3917                                                     winfocus != cur_focus)
3918                                                         break;
3919                                 } else {
3920                                         TAILQ_FOREACH_REVERSE(winfocus, wl,
3921                                             ws_win_list, entry)
3922                                                 if (!winfocus->iconic &&
3923                                                     winfocus != cur_focus)
3924                                                         break;
3925                                 }
3926                         }
3927                         break;
3928                 case SWM_STACK_BELOW:
3929                         winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
3930                         while (winfocus && winfocus->iconic)
3931                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3932                                     entry);
3933
3934                         if (winfocus == NULL) {
3935                                 if (focus_close_wrap) {
3936                                         TAILQ_FOREACH_REVERSE(winfocus, wl,
3937                                             ws_win_list, entry)
3938                                                 if (!winfocus->iconic &&
3939                                                     winfocus != cur_focus)
3940                                                         break;
3941                                 } else {
3942                                         TAILQ_FOREACH(winfocus, wl, entry)
3943                                                 if (!winfocus->iconic &&
3944                                                     winfocus != cur_focus)
3945                                                         break;
3946                                 }
3947                         }
3948                         break;
3949                 }
3950         }
3951 done:
3952         if (winfocus == NULL ||
3953             (winfocus && (winfocus->iconic || winfocus == cur_focus))) {
3954                 if (focus_default == SWM_STACK_TOP) {
3955                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
3956                                 if (!winfocus->iconic && winfocus != cur_focus)
3957                                         break;
3958                 } else {
3959                         TAILQ_FOREACH(winfocus, wl, entry)
3960                                 if (!winfocus->iconic && winfocus != cur_focus)
3961                                         break;
3962                 }
3963         }
3964
3965         kill_refs(win);
3966
3967         return get_focus_magic(winfocus);
3968 }
3969
3970 struct ws_win *
3971 get_region_focus(struct swm_region *r)
3972 {
3973         struct ws_win           *winfocus = NULL;
3974
3975         if (!(r && r->ws))
3976                 return NULL;
3977
3978         if (r->ws->focus && !r->ws->focus->iconic)
3979                 winfocus = r->ws->focus;
3980         else if (r->ws->focus_prev && !r->ws->focus_prev->iconic)
3981                 winfocus = r->ws->focus_prev;
3982         else
3983                 TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3984                         if (!winfocus->iconic)
3985                                 break;
3986
3987         return get_focus_magic(winfocus);
3988 }
3989
3990 void
3991 focus(struct swm_region *r, union arg *args)
3992 {
3993         struct ws_win           *head, *cur_focus = NULL, *winfocus = NULL;
3994         struct ws_win_list      *wl = NULL;
3995         struct workspace        *ws = NULL;
3996         union arg               a;
3997         int                     i;
3998         xcb_icccm_wm_hints_t    hints;
3999
4000         if (!(r && r->ws))
4001                 goto out;
4002
4003         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
4004
4005         cur_focus = r->ws->focus;
4006         ws = r->ws;
4007         wl = &ws->winlist;
4008
4009         /* Make sure an uniconified window has focus, if one exists. */
4010         if (cur_focus == NULL) {
4011                 cur_focus = TAILQ_FIRST(wl);
4012                 while (cur_focus != NULL && cur_focus->iconic)
4013                         cur_focus = TAILQ_NEXT(cur_focus, entry);
4014         }
4015
4016         switch (args->id) {
4017         case SWM_ARG_ID_FOCUSPREV:
4018                 if (cur_focus == NULL)
4019                         goto out;
4020
4021                 winfocus = cur_focus;
4022                 do {
4023                         winfocus = TAILQ_PREV(winfocus, ws_win_list, entry);
4024                         if (winfocus == NULL)
4025                                 winfocus = TAILQ_LAST(wl, ws_win_list);
4026                         if (winfocus == cur_focus)
4027                                 break;
4028                 } while (winfocus != NULL &&
4029                     (winfocus->iconic || winfocus->id == cur_focus->transient));
4030                 break;
4031         case SWM_ARG_ID_FOCUSNEXT:
4032                 if (cur_focus == NULL)
4033                         goto out;
4034
4035                 winfocus = cur_focus;
4036                 do {
4037                         winfocus = TAILQ_NEXT(winfocus, entry);
4038                         if (winfocus == NULL)
4039                                 winfocus = TAILQ_FIRST(wl);
4040                         if (winfocus == cur_focus)
4041                                 break;
4042                 } while (winfocus != NULL &&
4043                     (winfocus->iconic || winfocus->id == cur_focus->transient));
4044                 break;
4045         case SWM_ARG_ID_FOCUSMAIN:
4046                 if (cur_focus == NULL)
4047                         goto out;
4048
4049                 winfocus = TAILQ_FIRST(wl);
4050                 if (winfocus == cur_focus)
4051                         winfocus = cur_focus->ws->focus_prev;
4052                 break;
4053         case SWM_ARG_ID_FOCUSURGENT:
4054                 /* Search forward for the next urgent window. */
4055                 winfocus = NULL;
4056                 head = cur_focus;
4057
4058                 for (i = 0; i <= workspace_limit; ++i) {
4059                         if (head == NULL)
4060                                 head = TAILQ_FIRST(&r->s->ws[(ws->idx + i) %
4061                                     workspace_limit].winlist);
4062
4063                         while (head != NULL &&
4064                             (head = TAILQ_NEXT(head, entry)) != NULL) {
4065                                 if (head == cur_focus) {
4066                                         winfocus = cur_focus;
4067                                         break;
4068                                 }
4069                                 if (xcb_icccm_get_wm_hints_reply(conn,
4070                                     xcb_icccm_get_wm_hints(conn, head->id),
4071                                     &hints, NULL) != 0 &&
4072                                     xcb_icccm_wm_hints_get_urgency(&hints)) {
4073                                         winfocus = head;
4074                                         break;
4075                                 }
4076                         }
4077
4078                         if (winfocus != NULL)
4079                                 break;
4080                 }
4081
4082                 /* Switch ws if new focus is on a different ws. */
4083                 if (winfocus != NULL && winfocus->ws != ws) {
4084                         a.id = winfocus->ws->idx;
4085                         switchws(r, &a);
4086                 }
4087                 break;
4088         default:
4089                 goto out;
4090         }
4091
4092         focus_win(get_focus_magic(winfocus));
4093         focus_flush();
4094
4095 out:
4096         DNPRINTF(SWM_D_FOCUS, "focus: done\n");
4097 }
4098
4099 void
4100 cycle_layout(struct swm_region *r, union arg *args)
4101 {
4102         struct workspace        *ws = r->ws;
4103
4104         /* suppress unused warning since var is needed */
4105         (void)args;
4106
4107         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
4108
4109         ws->cur_layout++;
4110         if (ws->cur_layout->l_stack == NULL)
4111                 ws->cur_layout = &layouts[0];
4112
4113         stack();
4114         bar_draw();
4115
4116         focus_win(get_region_focus(r));
4117
4118         focus_flush();
4119 }
4120
4121 void
4122 stack_config(struct swm_region *r, union arg *args)
4123 {
4124         struct workspace        *ws = r->ws;
4125
4126         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
4127             args->id, ws->idx);
4128
4129         if (ws->cur_layout->l_config != NULL)
4130                 ws->cur_layout->l_config(ws, args->id);
4131
4132         if (args->id != SWM_ARG_ID_STACKINIT)
4133                 stack();
4134         bar_draw();
4135
4136         focus_flush();
4137 }
4138
4139 void
4140 stack(void) {
4141         struct swm_geometry     g;
4142         struct swm_region       *r;
4143         int                     i, num_screens;
4144 #ifdef SWM_DEBUG
4145         int j;
4146 #endif
4147
4148         DNPRINTF(SWM_D_STACK, "stack: begin\n");
4149
4150         num_screens = get_screen_count();
4151         for (i = 0; i < num_screens; i++) {
4152 #ifdef SWM_DEBUG
4153                 j = 0;
4154 #endif
4155                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
4156                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
4157                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
4158
4159                         /* Adjust stack area for region bar and padding. */
4160                         g = r->g;
4161                         g.x += region_padding;
4162                         g.y += region_padding;
4163                         g.w -= 2 * border_width + 2 * region_padding;
4164                         g.h -= 2 * border_width + 2 * region_padding;
4165                         if (bar_enabled && r->ws->bar_enabled) {
4166                                 if (!bar_at_bottom)
4167                                         g.y += bar_height;
4168                                 g.h -= bar_height;
4169                         }
4170                         r->ws->cur_layout->l_stack(r->ws, &g);
4171                         r->ws->cur_layout->l_string(r->ws);
4172                         /* save r so we can track region changes */
4173                         r->ws->old_r = r;
4174                 }
4175         }
4176         if (font_adjusted)
4177                 font_adjusted--;
4178
4179         DNPRINTF(SWM_D_STACK, "stack: end\n");
4180 }
4181
4182 void
4183 store_float_geom(struct ws_win *win)
4184 {
4185         if (win == NULL || win->ws->r == NULL)
4186                 return;
4187
4188         /* retain window geom and region geom */
4189         win->g_float = win->g;
4190         win->g_float.x -= X(win->ws->r);
4191         win->g_float.y -= Y(win->ws->r);
4192         win->g_floatvalid = 1;
4193         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
4194             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
4195             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
4196             win->g_float.w, win->g_float.h);
4197 }
4198
4199 void
4200 load_float_geom(struct ws_win *win)
4201 {
4202         if (win == NULL || win->ws->r == NULL)
4203                 return;
4204
4205         if (win->g_floatvalid) {
4206                 win->g = win->g_float;
4207                 X(win) += X(win->ws->r);
4208                 Y(win) += Y(win->ws->r);
4209                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g: (%d,%d)"
4210                     "%d x %d\n", win->id, X(win), Y(win), WIDTH(win),
4211                     HEIGHT(win));
4212         } else {
4213                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g_float "
4214                     "is not set.\n", win->id);
4215         }
4216 }
4217
4218 void
4219 stack_floater(struct ws_win *win, struct swm_region *r)
4220 {
4221         if (win == NULL)
4222                 return;
4223
4224         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
4225
4226         /*
4227          * to allow windows to change their size (e.g. mplayer fs) only retrieve
4228          * geom on ws switches or return from max mode
4229          */
4230         if (win->floatmaxed || (r != r->ws->old_r &&
4231             !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
4232                 /* update geometry for the new region */
4233                 load_float_geom(win);
4234         }
4235
4236         win->floatmaxed = 0;
4237
4238         /*
4239          * if set to fullscreen mode, configure window to maximum size.
4240          */
4241         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4242                 if (!win->g_floatvalid)
4243                         store_float_geom(win);
4244
4245                 win->g = r->g;
4246         }
4247
4248         /*
4249          * remove border on fullscreen floater when in fullscreen mode or when
4250          * the quirk is present.
4251          */
4252         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
4253             ((win->quirks & SWM_Q_FULLSCREEN) &&
4254              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
4255                 if (win->bordered) {
4256                         win->bordered = 0;
4257                         X(win) += border_width;
4258                         Y(win) += border_width;
4259                 }
4260         } else if (!win->bordered) {
4261                 win->bordered = 1;
4262                 X(win) -= border_width;
4263                 Y(win) -= border_width;
4264         }
4265
4266         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
4267                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
4268                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
4269         }
4270
4271         if (!win->manual && !(win->ewmh_flags & EWMH_F_FULLSCREEN) &&
4272             !(win->quirks & SWM_Q_ANYWHERE)) {
4273                 /*
4274                  * floaters and transients are auto-centred unless moved,
4275                  * resized or ANYWHERE quirk is set.
4276                  */
4277                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
4278                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
4279
4280                 store_float_geom(win);
4281         }
4282
4283         /* Ensure at least 1 pixel of the window is in the region. */
4284         region_containment(win, r, SWM_CW_ALLSIDES);
4285
4286         update_window(win);
4287 }
4288
4289 /*
4290  * Send keystrokes to terminal to decrease/increase the font size as the
4291  * window size changes.
4292  */
4293 void
4294 adjust_font(struct ws_win *win)
4295 {
4296         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
4297             win->floating || win->transient)
4298                 return;
4299
4300         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
4301             WIDTH(win) / win->sh.width_inc < term_width &&
4302             win->font_steps < SWM_MAX_FONT_STEPS) {
4303                 win->font_size_boundary[win->font_steps] =
4304                     (win->sh.width_inc * term_width) + win->sh.base_width;
4305                 win->font_steps++;
4306                 font_adjusted++;
4307                 win->last_inc = win->sh.width_inc;
4308                 fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
4309         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
4310             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
4311                 win->font_steps--;
4312                 font_adjusted++;
4313                 win->last_inc = win->sh.width_inc;
4314                 fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
4315         }
4316 }
4317
4318 #define SWAPXY(g)       do {                            \
4319         int tmp;                                        \
4320         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
4321         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
4322 } while (0)
4323 void
4324 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
4325 {
4326         struct swm_geometry     win_g, r_g = *g;
4327         struct ws_win           *win, *fs_win = NULL;
4328         int                     i, j, s, stacks;
4329         int                     w_inc = 1, h_inc, w_base = 1, h_base;
4330         int                     hrh, extra = 0, h_slice, last_h = 0;
4331         int                     split, colno, winno, mwin, msize, mscale;
4332         int                     remain, missing, v_slice, reconfigure = 0;
4333         int                     bordered = 1;
4334
4335         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
4336             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
4337
4338         winno = count_win(ws, 0);
4339         if (winno == 0 && count_win(ws, 1) == 0)
4340                 return;
4341
4342         TAILQ_FOREACH(win, &ws->winlist, entry)
4343                 if (!win->transient && !win->floating && !win->iconic)
4344                         break;
4345
4346         if (win == NULL)
4347                 goto notiles;
4348
4349         if (rot) {
4350                 w_inc = win->sh.width_inc;
4351                 w_base = win->sh.base_width;
4352                 mwin = ws->l_state.horizontal_mwin;
4353                 mscale = ws->l_state.horizontal_msize;
4354                 stacks = ws->l_state.horizontal_stacks;
4355                 SWAPXY(&r_g);
4356         } else {
4357                 w_inc = win->sh.height_inc;
4358                 w_base = win->sh.base_height;
4359                 mwin = ws->l_state.vertical_mwin;
4360                 mscale = ws->l_state.vertical_msize;
4361                 stacks = ws->l_state.vertical_stacks;
4362         }
4363         win_g = r_g;
4364
4365         if (stacks > winno - mwin)
4366                 stacks = winno - mwin;
4367         if (stacks < 1)
4368                 stacks = 1;
4369
4370         h_slice = r_g.h / SWM_H_SLICE;
4371         if (mwin && winno > mwin) {
4372                 v_slice = r_g.w / SWM_V_SLICE;
4373
4374                 split = mwin;
4375                 colno = split;
4376                 win_g.w = v_slice * mscale;
4377
4378                 if (w_inc > 1 && w_inc < v_slice) {
4379                         /* adjust for window's requested size increment */
4380                         remain = (win_g.w - w_base) % w_inc;
4381                         win_g.w -= remain;
4382                 }
4383
4384                 msize = win_g.w;
4385                 if (flip)
4386                         win_g.x += r_g.w - msize;
4387         } else {
4388                 msize = -2;
4389                 colno = split = winno / stacks;
4390                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
4391                     2 * border_width) / stacks);
4392         }
4393         hrh = r_g.h / colno;
4394         extra = r_g.h - (colno * hrh);
4395         win_g.h = hrh - 2 * border_width;
4396
4397         /*  stack all the tiled windows */
4398         i = j = 0, s = stacks;
4399         TAILQ_FOREACH(win, &ws->winlist, entry) {
4400                 if (win->transient || win->floating || win->iconic)
4401                         continue;
4402
4403                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4404                         fs_win = win;
4405                         continue;
4406                 }
4407
4408                 if (split && i == split) {
4409                         colno = (winno - mwin) / stacks;
4410                         if (s <= (winno - mwin) % stacks)
4411                                 colno++;
4412                         split += colno;
4413                         hrh = r_g.h / colno;
4414                         extra = r_g.h - (colno * hrh);
4415
4416                         if (!flip)
4417                                 win_g.x += win_g.w + 2 * border_width +
4418                                     tile_gap;
4419
4420                         win_g.w = (r_g.w - msize -
4421                             (stacks * (2 * border_width + tile_gap))) / stacks;
4422                         if (s == 1)
4423                                 win_g.w += (r_g.w - msize -
4424                                     (stacks * (2 * border_width + tile_gap))) %
4425                                     stacks;
4426
4427                         if (flip)
4428                                 win_g.x -= win_g.w + 2 * border_width +
4429                                     tile_gap;
4430                         s--;
4431                         j = 0;
4432                 }
4433
4434                 win_g.h = hrh - 2 * border_width - tile_gap;
4435
4436                 if (rot) {
4437                         h_inc = win->sh.width_inc;
4438                         h_base = win->sh.base_width;
4439                 } else {
4440                         h_inc = win->sh.height_inc;
4441                         h_base = win->sh.base_height;
4442                 }
4443
4444                 if (j == colno - 1) {
4445                         win_g.h = hrh + extra;
4446                 } else if (h_inc > 1 && h_inc < h_slice) {
4447                         /* adjust for window's requested size increment */
4448                         remain = (win_g.h - h_base) % h_inc;
4449                         missing = h_inc - remain;
4450
4451                         if (missing <= extra || j == 0) {
4452                                 extra -= missing;
4453                                 win_g.h += missing;
4454                         } else {
4455                                 win_g.h -= remain;
4456                                 extra += remain;
4457                         }
4458                 }
4459
4460                 if (j == 0)
4461                         win_g.y = r_g.y;
4462                 else
4463                         win_g.y += last_h + 2 * border_width + tile_gap;
4464
4465                 if (disable_border && !(bar_enabled && ws->bar_enabled) &&
4466                     winno == 1){
4467                         bordered = 0;
4468                         win_g.w += 2 * border_width;
4469                         win_g.h += 2 * border_width;
4470                 } else {
4471                         bordered = 1;
4472                 }
4473
4474                 if (rot) {
4475                         if (X(win) != win_g.y || Y(win) != win_g.x ||
4476                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
4477                                 reconfigure = 1;
4478                                 X(win) = win_g.y;
4479                                 Y(win) = win_g.x;
4480                                 WIDTH(win) = win_g.h;
4481                                 HEIGHT(win) = win_g.w;
4482                         }
4483                 } else {
4484                         if (X(win) != win_g.x || Y(win) != win_g.y ||
4485                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
4486                                 reconfigure = 1;
4487                                 X(win) = win_g.x;
4488                                 Y(win) = win_g.y;
4489                                 WIDTH(win) = win_g.w;
4490                                 HEIGHT(win) = win_g.h;
4491                         }
4492                 }
4493
4494                 if (bordered != win->bordered) {
4495                         reconfigure = 1;
4496                         win->bordered = bordered;
4497                 }
4498
4499                 if (reconfigure) {
4500                         adjust_font(win);
4501                         update_window(win);
4502                 }
4503
4504                 map_window(win, get_sibling(win, SWM_STACK_BELOW));
4505
4506                 last_h = win_g.h;
4507                 i++;
4508                 j++;
4509         }
4510
4511         /* Map/raise focused tiled window to top if windows could overlap. */
4512         if (tile_gap < 0 && ws->focus != NULL && !ws->focus->floating)
4513                 map_window(ws->focus, get_sibling(ws->focus, SWM_STACK_TOP));
4514
4515 notiles:
4516         /* now, stack all the floaters and transients */
4517         TAILQ_FOREACH(win, &ws->winlist, entry) {
4518                 if (!win->transient && !win->floating)
4519                         continue;
4520                 if (win->iconic)
4521                         continue;
4522                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4523                         fs_win = win;
4524                         continue;
4525                 }
4526
4527                 stack_floater(win, ws->r);
4528                 map_window(win, XCB_WINDOW_NONE);
4529         }
4530
4531         /* Make sure fs_win is stacked last so it's on top. */
4532         if (fs_win) {
4533                 stack_floater(fs_win, ws->r);
4534                 map_window(fs_win, XCB_WINDOW_NONE);
4535         }
4536 }
4537
4538 void
4539 vertical_config(struct workspace *ws, int id)
4540 {
4541         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
4542             id, ws->idx);
4543
4544         switch (id) {
4545         case SWM_ARG_ID_STACKRESET:
4546         case SWM_ARG_ID_STACKINIT:
4547                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
4548                 ws->l_state.vertical_mwin = 1;
4549                 ws->l_state.vertical_stacks = 1;
4550                 break;
4551         case SWM_ARG_ID_MASTERSHRINK:
4552                 if (ws->l_state.vertical_msize > 1)
4553                         ws->l_state.vertical_msize--;
4554                 break;
4555         case SWM_ARG_ID_MASTERGROW:
4556                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
4557                         ws->l_state.vertical_msize++;
4558                 break;
4559         case SWM_ARG_ID_MASTERADD:
4560                 ws->l_state.vertical_mwin++;
4561                 break;
4562         case SWM_ARG_ID_MASTERDEL:
4563                 if (ws->l_state.vertical_mwin > 0)
4564                         ws->l_state.vertical_mwin--;
4565                 break;
4566         case SWM_ARG_ID_STACKINC:
4567                 ws->l_state.vertical_stacks++;
4568                 break;
4569         case SWM_ARG_ID_STACKDEC:
4570                 if (ws->l_state.vertical_stacks > 1)
4571                         ws->l_state.vertical_stacks--;
4572                 break;
4573         case SWM_ARG_ID_FLIPLAYOUT:
4574                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
4575                 break;
4576         default:
4577                 return;
4578         }
4579 }
4580
4581 void
4582 vertical_stack(struct workspace *ws, struct swm_geometry *g)
4583 {
4584         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
4585
4586         stack_master(ws, g, 0, ws->l_state.vertical_flip);
4587 }
4588
4589 void
4590 horizontal_config(struct workspace *ws, int id)
4591 {
4592         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
4593
4594         switch (id) {
4595         case SWM_ARG_ID_STACKRESET:
4596         case SWM_ARG_ID_STACKINIT:
4597                 ws->l_state.horizontal_mwin = 1;
4598                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
4599                 ws->l_state.horizontal_stacks = 1;
4600                 break;
4601         case SWM_ARG_ID_MASTERSHRINK:
4602                 if (ws->l_state.horizontal_msize > 1)
4603                         ws->l_state.horizontal_msize--;
4604                 break;
4605         case SWM_ARG_ID_MASTERGROW:
4606                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
4607                         ws->l_state.horizontal_msize++;
4608                 break;
4609         case SWM_ARG_ID_MASTERADD:
4610                 ws->l_state.horizontal_mwin++;
4611                 break;
4612         case SWM_ARG_ID_MASTERDEL:
4613                 if (ws->l_state.horizontal_mwin > 0)
4614                         ws->l_state.horizontal_mwin--;
4615                 break;
4616         case SWM_ARG_ID_STACKINC:
4617                 ws->l_state.horizontal_stacks++;
4618                 break;
4619         case SWM_ARG_ID_STACKDEC:
4620                 if (ws->l_state.horizontal_stacks > 1)
4621                         ws->l_state.horizontal_stacks--;
4622                 break;
4623         case SWM_ARG_ID_FLIPLAYOUT:
4624                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
4625                 break;
4626         default:
4627                 return;
4628         }
4629 }
4630
4631 void
4632 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
4633 {
4634         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
4635
4636         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
4637 }
4638
4639 /* fullscreen view */
4640 void
4641 max_stack(struct workspace *ws, struct swm_geometry *g)
4642 {
4643         struct swm_geometry     gg = *g;
4644         struct ws_win           *w, *win = NULL, *parent = NULL;
4645         int                     winno;
4646
4647         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
4648
4649         if (ws == NULL)
4650                 return;
4651
4652         winno = count_win(ws, 0);
4653         if (winno == 0 && count_win(ws, 1) == 0)
4654                 return;
4655
4656         /* Figure out which top level window should be visible. */
4657         if (ws->focus_pending)
4658                 win = ws->focus_pending;
4659         else if (ws->focus)
4660                 win = ws->focus;
4661         else if (ws->focus_prev)
4662                 win = ws->focus_prev;
4663         else
4664                 win = TAILQ_FIRST(&ws->winlist);
4665
4666         if (win->transient)
4667                 parent = find_window(win->transient);
4668
4669         DNPRINTF(SWM_D_STACK, "max_stack: win: 0x%x\n", win->id);
4670
4671         /* maximize all top level windows */
4672         TAILQ_FOREACH(w, &ws->winlist, entry) {
4673                 if (w->transient || w->iconic)
4674                         continue;
4675
4676                 if (!w->mapped && w != win)
4677                         map_window(w, XCB_WINDOW_NONE);
4678
4679                 if (w->floating && !w->floatmaxed) {
4680                         /*
4681                          * retain geometry for retrieval on exit from
4682                          * max_stack mode
4683                          */
4684                         store_float_geom(w);
4685                         w->floatmaxed = 1;
4686                 }
4687
4688                 /* only reconfigure if necessary */
4689                 if (X(w) != gg.x || Y(w) != gg.y || WIDTH(w) != gg.w ||
4690                     HEIGHT(w) != gg.h) {
4691                         w->g = gg;
4692                         if (bar_enabled && ws->bar_enabled){
4693                                 w->bordered = 1;
4694                         } else {
4695                                 w->bordered = 0;
4696                                 WIDTH(w) += 2 * border_width;
4697                                 HEIGHT(w) += 2 * border_width;
4698                         }
4699
4700                         update_window(w);
4701                 }
4702         }
4703
4704         /* If a parent exists, map/raise it first. */
4705         if (parent) {
4706                 map_window(parent, XCB_WINDOW_NONE);
4707
4708                 /* Map siblings next. */
4709                 TAILQ_FOREACH(w, &ws->winlist, entry)
4710                         if (w != win && !w->iconic &&
4711                             w->transient == parent->id) {
4712                                 stack_floater(w, ws->r);
4713                                 map_window(w, XCB_WINDOW_NONE);
4714                         }
4715         }
4716
4717         /* Map/raise focused window. */
4718         map_window(win, XCB_WINDOW_NONE);
4719
4720         /* Finally, map/raise children of focus window. */
4721         TAILQ_FOREACH(w, &ws->winlist, entry)
4722                 if (w->transient == win->id && !w->iconic) {
4723                         stack_floater(w, ws->r);
4724                         map_window(w, XCB_WINDOW_NONE);
4725                 }
4726 }
4727
4728 void
4729 send_to_rg(struct swm_region *r, union arg *args)
4730 {
4731         int                     ridx = args->id, i, num_screens;
4732         struct swm_region       *rr = NULL;
4733         union arg               a;
4734
4735         num_screens = get_screen_count();
4736         /* do nothing if we don't have more than one screen */
4737         if (!(num_screens > 1 || outputs > 1))
4738                 return;
4739
4740         DNPRINTF(SWM_D_FOCUS, "send_to_rg: id: %d\n", ridx);
4741
4742         rr = TAILQ_FIRST(&r->s->rl);
4743         for (i = 0; i < ridx && rr != NULL; ++i)
4744                 rr = TAILQ_NEXT(rr, entry);
4745
4746         if (rr == NULL)
4747                 return;
4748
4749         a.id = rr->ws->idx;
4750
4751         send_to_ws(r, &a);
4752 }
4753
4754 struct swm_region *
4755 region_under(struct swm_screen *s, int x, int y)
4756 {
4757         struct swm_region       *r = NULL;
4758
4759         TAILQ_FOREACH(r, &s->rl, entry) {
4760                 DNPRINTF(SWM_D_MISC, "region_under: ws: %d, region g: (%d,%d) "
4761                     "%d x %d, coords: (%d,%d)\n", r->ws->idx, X(r), Y(r),
4762                     WIDTH(r), HEIGHT(r), x, y);
4763                 if (X(r) <= x && x < MAX_X(r))
4764                         if (Y(r) <= y && y < MAX_Y(r))
4765                                 return (r);
4766         }
4767
4768         return (NULL);
4769 }
4770
4771 void
4772 send_to_ws(struct swm_region *r, union arg *args)
4773 {
4774         int                     wsid = args->id;
4775         struct ws_win           *win = NULL;
4776
4777         if (r && r->ws && r->ws->focus)
4778                 win = r->ws->focus;
4779         else
4780                 return;
4781
4782         DNPRINTF(SWM_D_MOVE, "send_to_ws: win 0x%x, ws %d\n", win->id, wsid);
4783
4784         win_to_ws(win, wsid, 1);
4785
4786         /* Restack and set new focus. */
4787         stack();
4788
4789         if (focus_mode != SWM_FOCUS_FOLLOW) {
4790                 if (r->ws->focus_pending) {
4791                         focus_win(r->ws->focus_pending);
4792                         r->ws->focus_pending = NULL;
4793                 } else {
4794                         xcb_set_input_focus(conn,
4795                             XCB_INPUT_FOCUS_PARENT, r->id,
4796                             XCB_CURRENT_TIME);
4797                 }
4798         }
4799
4800         focus_flush();
4801 }
4802
4803 void
4804 win_to_ws(struct ws_win *win, int wsid, int unfocus)
4805 {
4806         struct ws_win           *parent;
4807         struct workspace        *ws, *nws, *pws;
4808         char                    ws_idx_str[SWM_PROPLEN];
4809
4810         if (wsid >= workspace_limit)
4811                 return;
4812
4813         if (win->ws->idx == wsid)
4814                 return;
4815
4816         ws = win->ws;
4817         nws = &win->s->ws[wsid];
4818
4819         DNPRINTF(SWM_D_MOVE, "win_to_ws: win 0x%x, ws %d -> %d\n", win->id,
4820             ws->idx, wsid);
4821
4822         /* Update the window's workspace property: _SWM_WS */
4823         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
4824                 if (focus_mode != SWM_FOCUS_FOLLOW)
4825                         ws->focus_pending = get_focus_prev(win);
4826
4827                 /* Move the parent if this is a transient window. */
4828                 if (win->transient) {
4829                         parent = find_window(win->transient);
4830                         if (parent) {
4831                                 pws = parent->ws;
4832                                 /* Set new focus in parent's ws if needed. */
4833                                 if (pws->focus == parent) {
4834                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4835                                                 pws->focus_pending =
4836                                                     get_focus_prev(parent);
4837
4838                                         unfocus_win(parent);
4839
4840                                         if (focus_mode != SWM_FOCUS_FOLLOW) {
4841                                                 pws->focus = pws->focus_pending;
4842                                                 pws->focus_pending = NULL;
4843                                         }
4844                                 }
4845
4846                                 /* Don't unmap parent if new ws is visible */
4847                                 if (nws->r == NULL)
4848                                         unmap_window(parent);
4849
4850                                 /* Transfer */
4851                                 TAILQ_REMOVE(&ws->winlist, parent, entry);
4852                                 TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
4853                                 parent->ws = nws;
4854
4855                                 DNPRINTF(SWM_D_PROP, "win_to_ws: set "
4856                                     "property: _SWM_WS: %s\n", ws_idx_str);
4857                                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE,
4858                                     parent->id, a_swm_ws, XCB_ATOM_STRING, 8,
4859                                     strlen(ws_idx_str), ws_idx_str);
4860                         }
4861                 }
4862
4863                 if (unfocus)
4864                         unfocus_win(win);
4865
4866                 /* Don't unmap if new ws is visible */
4867                 if (nws->r == NULL)
4868                         unmap_window(win);
4869
4870                 /* Transfer */
4871                 TAILQ_REMOVE(&ws->winlist, win, entry);
4872                 TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
4873                 win->ws = nws;
4874
4875                 /* Set focus on new ws. */
4876                 unfocus_win(nws->focus);
4877                 nws->focus = win;
4878
4879                 DNPRINTF(SWM_D_PROP, "win_to_ws: set property: _SWM_WS: %s\n",
4880                     ws_idx_str);
4881                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
4882                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
4883                     ws_idx_str);
4884         }
4885
4886         DNPRINTF(SWM_D_MOVE, "win_to_ws: done.\n");
4887 }
4888
4889 void
4890 pressbutton(struct swm_region *r, union arg *args)
4891 {
4892         /* suppress unused warning since var is needed */
4893         (void)r;
4894
4895         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
4896             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4897         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
4898             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4899 }
4900
4901 void
4902 raise_toggle(struct swm_region *r, union arg *args)
4903 {
4904         /* suppress unused warning since var is needed */
4905         (void)args;
4906
4907         if (r == NULL || r->ws == NULL)
4908                 return;
4909
4910         r->ws->always_raise = !r->ws->always_raise;
4911
4912         /* bring floaters back to top */
4913         if (!r->ws->always_raise)
4914                 stack();
4915
4916         focus_flush();
4917 }
4918
4919 void
4920 iconify(struct swm_region *r, union arg *args)
4921 {
4922         /* suppress unused warning since var is needed */
4923         (void)args;
4924
4925         if (r->ws->focus == NULL)
4926                 return;
4927
4928         set_swm_iconic(r->ws->focus, 1);
4929
4930         xcb_flush(conn);
4931 }
4932
4933 char *
4934 get_win_name(xcb_window_t win)
4935 {
4936         char                            *name = NULL;
4937         xcb_get_property_cookie_t       c;
4938         xcb_get_property_reply_t        *r;
4939
4940         /* First try _NET_WM_NAME for UTF-8. */
4941         c = xcb_get_property(conn, 0, win, ewmh[_NET_WM_NAME].atom,
4942             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4943         r = xcb_get_property_reply(conn, c, NULL);
4944         if (r && r->type == XCB_NONE) {
4945                 free(r);
4946                 /* Use WM_NAME instead; no UTF-8. */
4947                 c = xcb_get_property(conn, 0, win, XCB_ATOM_WM_NAME,
4948                     XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4949                 r = xcb_get_property_reply(conn, c, NULL);
4950         }
4951
4952         if (r && r->type != XCB_NONE && r->length > 0)
4953                 name = strndup(xcb_get_property_value(r),
4954                     xcb_get_property_value_length(r));
4955         else
4956                 name = strdup("");
4957
4958         if (name == NULL)
4959                 err(1, "get_win_name: failed to allocate memory.");
4960
4961         free(r);
4962
4963         return (name);
4964 }
4965
4966 void
4967 uniconify(struct swm_region *r, union arg *args)
4968 {
4969         struct ws_win           *win;
4970         FILE                    *lfile;
4971         char                    *name;
4972         int                     count = 0;
4973
4974         DNPRINTF(SWM_D_MISC, "uniconify\n");
4975
4976         if (r == NULL || r->ws == NULL)
4977                 return;
4978
4979         /* make sure we have anything to uniconify */
4980         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4981                 if (win->ws == NULL)
4982                         continue; /* should never happen */
4983                 if (!win->iconic)
4984                         continue;
4985                 count++;
4986         }
4987         if (count == 0)
4988                 return;
4989
4990         search_r = r;
4991         search_resp_action = SWM_SEARCH_UNICONIFY;
4992
4993         spawn_select(r, args, "search", &searchpid);
4994
4995         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4996                 return;
4997
4998         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4999                 if (win->ws == NULL)
5000                         continue; /* should never happen */
5001                 if (!win->iconic)
5002                         continue;
5003
5004                 name = get_win_name(win->id);
5005                 fprintf(lfile, "%s.%u\n", name, win->id);
5006                 free(name);
5007         }
5008
5009         fclose(lfile);
5010 }
5011
5012 void
5013 name_workspace(struct swm_region *r, union arg *args)
5014 {
5015         FILE                    *lfile;
5016
5017         DNPRINTF(SWM_D_MISC, "name_workspace\n");
5018
5019         if (r == NULL)
5020                 return;
5021
5022         search_r = r;
5023         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
5024
5025         spawn_select(r, args, "name_workspace", &searchpid);
5026
5027         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
5028                 return;
5029
5030         fprintf(lfile, "%s", "");
5031         fclose(lfile);
5032 }
5033
5034 void
5035 search_workspace(struct swm_region *r, union arg *args)
5036 {
5037         int                     i;
5038         struct workspace        *ws;
5039         FILE                    *lfile;
5040
5041         DNPRINTF(SWM_D_MISC, "search_workspace\n");
5042
5043         if (r == NULL)
5044                 return;
5045
5046         search_r = r;
5047         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
5048
5049         spawn_select(r, args, "search", &searchpid);
5050
5051         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
5052                 return;
5053
5054         for (i = 0; i < workspace_limit; i++) {
5055                 ws = &r->s->ws[i];
5056                 if (ws == NULL)
5057                         continue;
5058                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
5059                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
5060         }
5061
5062         fclose(lfile);
5063 }
5064
5065 void
5066 search_win_cleanup(void)
5067 {
5068         struct search_window    *sw = NULL;
5069
5070         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
5071                 xcb_destroy_window(conn, sw->indicator);
5072                 TAILQ_REMOVE(&search_wl, sw, entry);
5073                 free(sw);
5074         }
5075 }
5076
5077 void
5078 search_win(struct swm_region *r, union arg *args)
5079 {
5080         struct ws_win           *win = NULL;
5081         struct search_window    *sw = NULL;
5082         xcb_window_t            w;
5083         uint32_t                wa[2];
5084         int                     i, width, height;
5085         char                    s[8];
5086         FILE                    *lfile;
5087         size_t                  len;
5088         XftDraw                 *draw;
5089         XGlyphInfo              info;
5090         GC                      l_draw;
5091         XGCValues               l_gcv;
5092         XRectangle              l_ibox, l_lbox;
5093
5094         DNPRINTF(SWM_D_MISC, "search_win\n");
5095
5096         search_r = r;
5097         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
5098
5099         spawn_select(r, args, "search", &searchpid);
5100
5101         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
5102                 return;
5103
5104         TAILQ_INIT(&search_wl);
5105
5106         i = 1;
5107         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
5108                 if (win->iconic)
5109                         continue;
5110
5111                 sw = calloc(1, sizeof(struct search_window));
5112                 if (sw == NULL) {
5113                         warn("search_win: calloc");
5114                         fclose(lfile);
5115                         search_win_cleanup();
5116                         return;
5117                 }
5118                 sw->idx = i;
5119                 sw->win = win;
5120
5121                 snprintf(s, sizeof s, "%d", i);
5122                 len = strlen(s);
5123
5124                 w = xcb_generate_id(conn);
5125                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
5126                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].pixel;
5127
5128                 if (bar_font_legacy) {
5129                         XmbTextExtents(bar_fs, s, len, &l_ibox, &l_lbox);
5130                         width = l_lbox.width + 4;
5131                         height = bar_fs_extents->max_logical_extent.height + 4;
5132                 } else {
5133                         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len,
5134                             &info);
5135                         width = info.width + 4;
5136                         height = bar_font->height + 4;
5137                 }
5138
5139                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
5140                     width, height, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
5141                     XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL |
5142                     XCB_CW_BORDER_PIXEL, wa);
5143
5144                 xcb_map_window(conn, w);
5145
5146                 sw->indicator = w;
5147                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
5148
5149                 if (bar_font_legacy) {
5150                         l_gcv.graphics_exposures = 0;
5151                         l_draw = XCreateGC(display, w, 0, &l_gcv);
5152
5153                         XSetForeground(display, l_draw,
5154                                 r->s->c[SWM_S_COLOR_BAR].pixel);
5155
5156                         DRAWSTRING(display, w, bar_fs, l_draw, 2,
5157                             (bar_fs_extents->max_logical_extent.height -
5158                             l_lbox.height) / 2 - l_lbox.y, s, len);
5159
5160                         XFreeGC(display, l_draw);
5161                 } else {
5162
5163                         draw = XftDrawCreate(display, w,
5164                             DefaultVisual(display, r->s->idx),
5165                             DefaultColormap(display, r->s->idx));
5166
5167                         XftDrawStringUtf8(draw, &bar_font_color, bar_font, 2,
5168                             (HEIGHT(r->bar) + bar_font->height) / 2 -
5169                             bar_font->descent, (FcChar8 *)s, len);
5170
5171                         XftDrawDestroy(draw);
5172                 }
5173
5174                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
5175
5176                 fprintf(lfile, "%d\n", i);
5177                 i++;
5178         }
5179
5180         fclose(lfile);
5181
5182         xcb_flush(conn);
5183 }
5184
5185 void
5186 search_resp_uniconify(const char *resp, size_t len)
5187 {
5188         char                    *name;
5189         struct ws_win           *win;
5190         char                    *s;
5191
5192         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
5193
5194         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
5195                 if (!win->iconic)
5196                         continue;
5197                 name = get_win_name(win->id);
5198                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
5199                         free(name);
5200                         continue;
5201                 }
5202                 free(name);
5203                 if (strncmp(s, resp, len) == 0) {
5204                         /* XXX this should be a callback to generalize */
5205                         set_swm_iconic(win, 0);
5206                         free(s);
5207                         break;
5208                 }
5209                 free(s);
5210         }
5211 }
5212
5213 void
5214 search_resp_name_workspace(const char *resp, size_t len)
5215 {
5216         struct workspace        *ws;
5217
5218         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
5219
5220         if (search_r->ws == NULL)
5221                 return;
5222         ws = search_r->ws;
5223
5224         if (ws->name) {
5225                 free(search_r->ws->name);
5226                 search_r->ws->name = NULL;
5227         }
5228
5229         if (len > 1) {
5230                 ws->name = strdup(resp);
5231                 if (ws->name == NULL) {
5232                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
5233                             "strdup: %s", strerror(errno));
5234                         return;
5235                 }
5236         }
5237 }
5238
5239 void
5240 search_resp_search_workspace(const char *resp)
5241 {
5242         char                    *p, *q;
5243         int                     ws_idx;
5244         const char              *errstr;
5245         union arg               a;
5246
5247         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
5248
5249         q = strdup(resp);
5250         if (q == NULL) {
5251                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
5252                     strerror(errno));
5253                 return;
5254         }
5255         p = strchr(q, ':');
5256         if (p != NULL)
5257                 *p = '\0';
5258         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
5259         if (errstr) {
5260                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
5261                     errstr, q);
5262                 free(q);
5263                 return;
5264         }
5265         free(q);
5266         a.id = ws_idx - 1;
5267         switchws(search_r, &a);
5268 }
5269
5270 void
5271 search_resp_search_window(const char *resp)
5272 {
5273         char                    *s;
5274         int                     idx;
5275         const char              *errstr;
5276         struct search_window    *sw;
5277
5278         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
5279
5280         s = strdup(resp);
5281         if (s == NULL) {
5282                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
5283                     strerror(errno));
5284                 return;
5285         }
5286
5287         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
5288         if (errstr) {
5289                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
5290                     errstr, s);
5291                 free(s);
5292                 return;
5293         }
5294         free(s);
5295
5296         TAILQ_FOREACH(sw, &search_wl, entry)
5297                 if (idx == sw->idx) {
5298                         focus_win(sw->win);
5299                         break;
5300                 }
5301 }
5302
5303 #define MAX_RESP_LEN    1024
5304
5305 void
5306 search_do_resp(void)
5307 {
5308         ssize_t                 rbytes;
5309         char                    *resp;
5310         size_t                  len;
5311
5312         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
5313
5314         search_resp = 0;
5315         searchpid = 0;
5316
5317         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
5318                 warn("search: calloc");
5319                 goto done;
5320         }
5321
5322         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
5323         if (rbytes <= 0) {
5324                 warn("search: read error");
5325                 goto done;
5326         }
5327         resp[rbytes] = '\0';
5328
5329         /* XXX:
5330          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
5331          * newline, so work around that by sanitizing the resp now.
5332          */
5333         resp[strcspn(resp, "\n")] = '\0';
5334         len = strlen(resp);
5335
5336         switch (search_resp_action) {
5337         case SWM_SEARCH_UNICONIFY:
5338                 search_resp_uniconify(resp, len);
5339                 break;
5340         case SWM_SEARCH_NAME_WORKSPACE:
5341                 search_resp_name_workspace(resp, len);
5342                 break;
5343         case SWM_SEARCH_SEARCH_WORKSPACE:
5344                 search_resp_search_workspace(resp);
5345                 break;
5346         case SWM_SEARCH_SEARCH_WINDOW:
5347                 search_resp_search_window(resp);
5348                 break;
5349         }
5350
5351 done:
5352         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
5353                 search_win_cleanup();
5354
5355         search_resp_action = SWM_SEARCH_NONE;
5356         close(select_resp_pipe[0]);
5357         free(resp);
5358
5359         xcb_flush(conn);
5360 }
5361
5362 void
5363 wkill(struct swm_region *r, union arg *args)
5364 {
5365         DNPRINTF(SWM_D_MISC, "wkill: win %#x, id: %d\n", WINID(r->ws->focus),
5366             args->id);
5367
5368         if (r->ws->focus == NULL)
5369                 return;
5370
5371         if (args->id == SWM_ARG_ID_KILLWINDOW)
5372                 xcb_kill_client(conn, r->ws->focus->id);
5373         else
5374                 if (r->ws->focus->can_delete)
5375                         client_msg(r->ws->focus, a_delete, 0);
5376
5377         focus_flush();
5378 }
5379
5380 int
5381 floating_toggle_win(struct ws_win *win)
5382 {
5383         if (win == NULL)
5384                 return (0);
5385
5386         if (win->ws->r == NULL)
5387                 return (0);
5388
5389         /* reject floating toggles in max stack mode */
5390         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
5391                 return (0);
5392
5393         if (win->floating) {
5394                 if (!win->floatmaxed) {
5395                         /* retain position for refloat */
5396                         store_float_geom(win);
5397                 }
5398                 win->floating = 0;
5399         } else {
5400                 load_float_geom(win);
5401                 win->floating = 1;
5402         }
5403
5404         ewmh_update_actions(win);
5405
5406         return (1);
5407 }
5408
5409 void
5410 floating_toggle(struct swm_region *r, union arg *args)
5411 {
5412         struct ws_win           *win = r->ws->focus;
5413
5414         /* suppress unused warning since var is needed */
5415         (void)args;
5416
5417         if (win == NULL)
5418                 return;
5419
5420         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5421                 return;
5422
5423         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5424             _NET_WM_STATE_TOGGLE);
5425
5426         stack();
5427
5428         if (win == win->ws->focus)
5429                 focus_win(win);
5430
5431         focus_flush();
5432 }
5433
5434 void
5435 region_containment(struct ws_win *win, struct swm_region *r, int opts)
5436 {
5437         struct swm_geometry             g = r->g;
5438         int                             rt, lt, tp, bm, bw;
5439
5440         bw = (opts & SWM_CW_SOFTBOUNDARY) ? boundary_width : 0;
5441
5442         /*
5443          * Perpendicular distance of each side of the window to the respective
5444          * side of the region boundary.  Positive values indicate the side of
5445          * the window has passed beyond the region boundary.
5446          */
5447         rt = opts & SWM_CW_RIGHT ? MAX_X(win) + BORDER(win) - MAX_X(r) : bw;
5448         lt = opts & SWM_CW_LEFT ? X(r) - X(win) + BORDER(win) : bw;
5449         bm = opts & SWM_CW_BOTTOM ? MAX_Y(win) + BORDER(win) - MAX_Y(r) : bw;
5450         tp = opts & SWM_CW_TOP ? Y(r) - Y(win) + BORDER(win) : bw;
5451
5452         DNPRINTF(SWM_D_MISC, "region_containment: win 0x%x, rt: %d, lt: %d, "
5453             "bm: %d, tp: %d, SOFTBOUNDARY: %s, HARDBOUNDARY: %s\n", win->id, rt,
5454             lt, bm, tp, YESNO(opts & SWM_CW_SOFTBOUNDARY),
5455             YESNO(opts & SWM_CW_HARDBOUNDARY));
5456
5457         /*
5458          * Disable containment if any of the flagged sides went beyond the
5459          * containment boundary, or if containment is disabled.
5460          */
5461         if (!(opts & SWM_CW_HARDBOUNDARY || opts & SWM_CW_SOFTBOUNDARY) ||
5462             (bw != 0 && ((rt > bw) || (lt > bw) || (bm > bw) || (tp > bw)))) {
5463                 /* Make sure window has at least 1 pixel in the region */
5464                 g.x += 1 - WIDTH(win);
5465                 g.y += 1 - HEIGHT(win);
5466                 g.w += 2 * WIDTH(win) - 2;
5467                 g.h += 2 * HEIGHT(win) - 2;
5468         }
5469
5470         constrain_window(win, &g, &opts);
5471 }
5472
5473 /* Move or resize a window so that flagged side(s) fit into the supplied box. */
5474 void
5475 constrain_window(struct ws_win *win, struct swm_geometry *b, int *opts)
5476 {
5477         DNPRINTF(SWM_D_MISC, "constrain_window: window: 0x%x, (x,y) w x h: "
5478             "(%d,%d) %d x %d, box: (x,y) w x h: (%d,%d) %d x %d, rt: %s, "
5479             "lt: %s, bt: %s, tp: %s, allow resize: %s\n", win->id, X(win),
5480             Y(win), WIDTH(win), HEIGHT(win), b->x, b->y, b->w, b->h,
5481             YESNO(*opts & SWM_CW_RIGHT), YESNO(*opts & SWM_CW_LEFT),
5482             YESNO(*opts & SWM_CW_BOTTOM), YESNO(*opts & SWM_CW_TOP),
5483             YESNO(*opts & SWM_CW_RESIZABLE));
5484
5485         if ((*opts & SWM_CW_RIGHT) && MAX_X(win) + BORDER(win) > b->x + b->w) {
5486                 if (*opts & SWM_CW_RESIZABLE)
5487                         WIDTH(win) = b->x + b->w - X(win) - BORDER(win);
5488                 else
5489                         X(win) = b->x + b->w - WIDTH(win) - BORDER(win);
5490         }
5491
5492         if ((*opts & SWM_CW_LEFT) && X(win) + BORDER(win) < b->x) {
5493                 if (*opts & SWM_CW_RESIZABLE)
5494                         WIDTH(win) -= b->x - X(win) - BORDER(win);
5495
5496                 X(win) = b->x - BORDER(win);
5497         }
5498
5499         if ((*opts & SWM_CW_BOTTOM) && MAX_Y(win) + BORDER(win) > b->y + b->h) {
5500                 if (*opts & SWM_CW_RESIZABLE)
5501                         HEIGHT(win) = b->y + b->h - Y(win) - BORDER(win);
5502                 else
5503                         Y(win) = b->y + b->h - HEIGHT(win) - BORDER(win);
5504         }
5505
5506         if ((*opts & SWM_CW_TOP) && Y(win) + BORDER(win) < b->y) {
5507                 if (*opts & SWM_CW_RESIZABLE)
5508                         HEIGHT(win) -= b->y - Y(win) - BORDER(win);
5509
5510                 Y(win) = b->y - BORDER(win);
5511         }
5512
5513         if (*opts & SWM_CW_RESIZABLE) {
5514                 if (WIDTH(win) < 1)
5515                         WIDTH(win) = 1;
5516                 if (HEIGHT(win) < 1)
5517                         HEIGHT(win) = 1;
5518         }
5519 }
5520
5521 void
5522 update_window(struct ws_win *win)
5523 {
5524         uint16_t        mask;
5525         uint32_t        wc[5];
5526
5527         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
5528             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
5529             XCB_CONFIG_WINDOW_BORDER_WIDTH;
5530         wc[0] = X(win);
5531         wc[1] = Y(win);
5532         wc[2] = WIDTH(win);
5533         wc[3] = HEIGHT(win);
5534         wc[4] = BORDER(win);
5535
5536         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
5537             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
5538             wc[3], YESNO(win->bordered));
5539
5540         xcb_configure_window(conn, win->id, mask, wc);
5541 }
5542
5543 #define SWM_RESIZE_STEPS        (50)
5544
5545 void
5546 resize(struct ws_win *win, union arg *args)
5547 {
5548         xcb_timestamp_t         timestamp = 0;
5549         struct swm_region       *r = NULL;
5550         int                     resize_stp = 0;
5551         struct swm_geometry     g;
5552         int                     top = 0, left = 0, resizing;
5553         int                     dx, dy;
5554         xcb_cursor_t                    cursor;
5555         xcb_query_pointer_reply_t       *xpr = NULL;
5556         xcb_generic_event_t             *evt;
5557         xcb_motion_notify_event_t       *mne;
5558
5559         if (win == NULL)
5560                 return;
5561         r = win->ws->r;
5562
5563         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5564                 return;
5565
5566         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
5567             "transient: 0x%x\n", win->id, YESNO(win->floating),
5568             win->transient);
5569
5570         if (!win->transient && !win->floating)
5571                 return;
5572
5573         /* reject resizes in max mode for floaters (transient ok) */
5574         if (win->floatmaxed)
5575                 return;
5576
5577         win->manual = 1;
5578         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5579             _NET_WM_STATE_ADD);
5580
5581         stack();
5582
5583         focus_flush();
5584
5585         /* It's possible for win to have been freed during focus_flush(). */
5586         if (validate_win(win)) {
5587                 DNPRINTF(SWM_D_EVENT, "resize: invalid win.\n");
5588                 goto out;
5589         }
5590
5591         switch (args->id) {
5592         case SWM_ARG_ID_WIDTHSHRINK:
5593                 WIDTH(win) -= SWM_RESIZE_STEPS;
5594                 resize_stp = 1;
5595                 break;
5596         case SWM_ARG_ID_WIDTHGROW:
5597                 WIDTH(win) += SWM_RESIZE_STEPS;
5598                 resize_stp = 1;
5599                 break;
5600         case SWM_ARG_ID_HEIGHTSHRINK:
5601                 HEIGHT(win) -= SWM_RESIZE_STEPS;
5602                 resize_stp = 1;
5603                 break;
5604         case SWM_ARG_ID_HEIGHTGROW:
5605                 HEIGHT(win) += SWM_RESIZE_STEPS;
5606                 resize_stp = 1;
5607                 break;
5608         default:
5609                 break;
5610         }
5611         if (resize_stp) {
5612                 region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
5613                     SWM_CW_HARDBOUNDARY);
5614                 update_window(win);
5615                 store_float_geom(win);
5616                 return;
5617         }
5618
5619         region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
5620             SWM_CW_SOFTBOUNDARY);
5621         update_window(win);
5622
5623         /* get cursor offset from window root */
5624         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5625             NULL);
5626         if (xpr == NULL)
5627                 return;
5628
5629         g = win->g;
5630
5631         if (xpr->win_x < WIDTH(win) / 2)
5632                 left = 1;
5633
5634         if (xpr->win_y < HEIGHT(win) / 2)
5635                 top = 1;
5636
5637         if (args->id == SWM_ARG_ID_CENTER)
5638                 cursor = cursors[XC_SIZING].cid;
5639         else if (top)
5640                 cursor = cursors[left ? XC_TOP_LEFT_CORNER :
5641                     XC_TOP_RIGHT_CORNER].cid;
5642         else
5643                 cursor = cursors[left ? XC_BOTTOM_LEFT_CORNER :
5644                     XC_BOTTOM_RIGHT_CORNER].cid;
5645
5646         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5647             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
5648             XCB_CURRENT_TIME),
5649
5650         xcb_flush(conn);
5651         resizing = 1;
5652         while (resizing && (evt = xcb_wait_for_event(conn))) {
5653                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5654                 case XCB_BUTTON_RELEASE:
5655                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
5656                         resizing = 0;
5657                         break;
5658                 case XCB_MOTION_NOTIFY:
5659                         mne = (xcb_motion_notify_event_t *)evt;
5660                         /* cursor offset/delta from start of the operation */
5661                         dx = mne->root_x - xpr->root_x;
5662                         dy = mne->root_y - xpr->root_y;
5663
5664                         /* vertical */
5665                         if (top)
5666                                 dy = -dy;
5667
5668                         if (args->id == SWM_ARG_ID_CENTER) {
5669                                 if (g.h / 2 + dy < 1)
5670                                         dy = 1 - g.h / 2;
5671
5672                                 Y(win) = g.y - dy;
5673                                 HEIGHT(win) = g.h + 2 * dy;
5674                         } else {
5675                                 if (g.h + dy < 1)
5676                                         dy = 1 - g.h;
5677
5678                                 if (top)
5679                                         Y(win) = g.y - dy;
5680
5681                                 HEIGHT(win) = g.h + dy;
5682                         }
5683
5684                         /* horizontal */
5685                         if (left)
5686                                 dx = -dx;
5687
5688                         if (args->id == SWM_ARG_ID_CENTER) {
5689                                 if (g.w / 2 + dx < 1)
5690                                         dx = 1 - g.w / 2;
5691
5692                                 X(win) = g.x - dx;
5693                                 WIDTH(win) = g.w + 2 * dx;
5694                         } else {
5695                                 if (g.w + dx < 1)
5696                                         dx = 1 - g.w;
5697
5698                                 if (left)
5699                                         X(win) = g.x - dx;
5700
5701                                 WIDTH(win) = g.w + dx;
5702                         }
5703
5704                         /* not free, don't sync more than 120 times / second */
5705                         if ((mne->time - timestamp) > (1000 / 120) ) {
5706                                 timestamp = mne->time;
5707                                 regionize(win, mne->root_x, mne->root_y);
5708                                 region_containment(win, r, SWM_CW_ALLSIDES |
5709                                     SWM_CW_RESIZABLE | SWM_CW_HARDBOUNDARY |
5710                                     SWM_CW_SOFTBOUNDARY);
5711                                 update_window(win);
5712                                 xcb_flush(conn);
5713                         }
5714                         break;
5715                 default:
5716                         event_handle(evt);
5717
5718                         /* It's possible for win to have been freed above. */
5719                         if (validate_win(win)) {
5720                                 DNPRINTF(SWM_D_EVENT, "resize: invalid win.\n");
5721                                 goto out;
5722                         }
5723                         break;
5724                 }
5725                 free(evt);
5726         }
5727         if (timestamp) {
5728                 region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
5729                     SWM_CW_HARDBOUNDARY | SWM_CW_SOFTBOUNDARY);
5730                 update_window(win);
5731                 xcb_flush(conn);
5732         }
5733         store_float_geom(win);
5734 out:
5735         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5736         free(xpr);
5737         DNPRINTF(SWM_D_EVENT, "resize: done.\n");
5738 }
5739
5740 void
5741 resize_step(struct swm_region *r, union arg *args)
5742 {
5743         struct ws_win           *win = NULL;
5744
5745         if (r && r->ws && r->ws->focus)
5746                 win = r->ws->focus;
5747         else
5748                 return;
5749
5750         resize(win, args);
5751         focus_flush();
5752 }
5753
5754 /* Try to set window region based on supplied coordinates or window center. */
5755 void
5756 regionize(struct ws_win *win, int x, int y)
5757 {
5758         struct swm_region *r = NULL;
5759
5760         r = region_under(win->s, x, y);
5761         if (r == NULL)
5762                 r = region_under(win->s, X(win) + WIDTH(win) / 2,
5763                     Y(win) + HEIGHT(win) / 2);
5764
5765         if (r && r != win->ws->r) {
5766                 win_to_ws(win, r->ws->idx, 0);
5767                 set_region(r);
5768         }
5769 }
5770
5771 #define SWM_MOVE_STEPS  (50)
5772
5773 void
5774 move(struct ws_win *win, union arg *args)
5775 {
5776         xcb_timestamp_t         timestamp = 0;
5777         int                     move_stp = 0, moving;
5778         xcb_query_pointer_reply_t       *qpr = NULL;
5779         xcb_generic_event_t             *evt;
5780         xcb_motion_notify_event_t       *mne;
5781
5782         if (win == NULL)
5783                 return;
5784
5785         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5786                 return;
5787
5788         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
5789             "0x%x\n", win->id, YESNO(win->floating), win->transient);
5790
5791         /* in max_stack mode should only move transients */
5792         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
5793                 return;
5794
5795         if (!win->manual) {
5796                 win->manual = 1;
5797                 ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5798                     _NET_WM_STATE_ADD);
5799         }
5800
5801         /* When a stacked win is moved, float it and restack. */
5802         if (!win->floating && !win->transient) {
5803                 store_float_geom(win);
5804                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5805                     _NET_WM_STATE_ADD);
5806                 stack();
5807         }
5808
5809         focus_flush();
5810
5811         /* It's possible for win to have been freed during focus_flush(). */
5812         if (validate_win(win)) {
5813                 DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
5814                 goto out;
5815         }
5816
5817         move_stp = 0;
5818         switch (args->id) {
5819         case SWM_ARG_ID_MOVELEFT:
5820                 X(win) -= (SWM_MOVE_STEPS - border_width);
5821                 move_stp = 1;
5822                 break;
5823         case SWM_ARG_ID_MOVERIGHT:
5824                 X(win) += (SWM_MOVE_STEPS - border_width);
5825                 move_stp = 1;
5826                 break;
5827         case SWM_ARG_ID_MOVEUP:
5828                 Y(win) -= (SWM_MOVE_STEPS - border_width);
5829                 move_stp = 1;
5830                 break;
5831         case SWM_ARG_ID_MOVEDOWN:
5832                 Y(win) += (SWM_MOVE_STEPS - border_width);
5833                 move_stp = 1;
5834                 break;
5835         default:
5836                 break;
5837         }
5838         if (move_stp) {
5839                 regionize(win, -1, -1);
5840                 region_containment(win, win->ws->r, SWM_CW_ALLSIDES);
5841                 update_window(win);
5842                 store_float_geom(win);
5843                 return;
5844         }
5845
5846         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5847             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
5848             XCB_WINDOW_NONE, cursors[XC_FLEUR].cid, XCB_CURRENT_TIME);
5849
5850         /* get cursor offset from window root */
5851         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5852                 NULL);
5853         if (qpr == NULL) {
5854                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5855                 return;
5856         }
5857
5858         regionize(win, qpr->root_x, qpr->root_y);
5859         region_containment(win, win->ws->r, SWM_CW_ALLSIDES |
5860             SWM_CW_SOFTBOUNDARY);
5861         update_window(win);
5862         xcb_flush(conn);
5863         moving = 1;
5864         while (moving && (evt = xcb_wait_for_event(conn))) {
5865                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5866                 case XCB_BUTTON_RELEASE:
5867                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
5868                         moving = 0;
5869                         break;
5870                 case XCB_MOTION_NOTIFY:
5871                         mne = (xcb_motion_notify_event_t *)evt;
5872                         DNPRINTF(SWM_D_EVENT, "motion: root: 0x%x\n", mne->root);
5873                         X(win) = mne->root_x - qpr->win_x - border_width;
5874                         Y(win) = mne->root_y - qpr->win_y - border_width;
5875
5876                         /* not free, don't sync more than 120 times / second */
5877                         if ((mne->time - timestamp) > (1000 / 120) ) {
5878                                 timestamp = mne->time;
5879                                 regionize(win, mne->root_x, mne->root_y);
5880                                 region_containment(win, win->ws->r,
5881                                     SWM_CW_ALLSIDES | SWM_CW_SOFTBOUNDARY);
5882                                 update_window(win);
5883                                 xcb_flush(conn);
5884                         }
5885                         break;
5886                 default:
5887                         event_handle(evt);
5888
5889                         /* It's possible for win to have been freed above. */
5890                         if (validate_win(win)) {
5891                                 DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
5892                                 goto out;
5893                         }
5894                         break;
5895                 }
5896                 free(evt);
5897         }
5898         if (timestamp) {
5899                 region_containment(win, win->ws->r, SWM_CW_ALLSIDES |
5900                     SWM_CW_SOFTBOUNDARY);
5901                 update_window(win);
5902                 xcb_flush(conn);
5903         }
5904         store_float_geom(win);
5905 out:
5906         free(qpr);
5907         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5908         DNPRINTF(SWM_D_EVENT, "move: done.\n");
5909 }
5910
5911 void
5912 move_step(struct swm_region *r, union arg *args)
5913 {
5914         struct ws_win           *win = NULL;
5915
5916         if (r && r->ws && r->ws->focus)
5917                 win = r->ws->focus;
5918         else
5919                 return;
5920
5921         if (!win->transient && !win->floating)
5922                 return;
5923
5924         move(win, args);
5925         focus_flush();
5926 }
5927
5928 /* key definitions */
5929 struct keyfunc {
5930         char                    name[SWM_FUNCNAME_LEN];
5931         void                    (*func)(struct swm_region *r, union arg *);
5932         union arg               args;
5933 } keyfuncs[KF_INVALID + 1] = {
5934         /* name                 function        argument */
5935         { "bar_toggle",         bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE} },
5936         { "bar_toggle_ws",      bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE_WS} },
5937         { "button2",            pressbutton,    {2} },
5938         { "cycle_layout",       cycle_layout,   {0} },
5939         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
5940         { "float_toggle",       floating_toggle,{0} },
5941         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
5942         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
5943         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
5944         { "focus_urgent",       focus,          {.id = SWM_ARG_ID_FOCUSURGENT} },
5945         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
5946         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
5947         { "iconify",            iconify,        {0} },
5948         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
5949         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
5950         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
5951         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
5952         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
5953         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
5954         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
5955         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
5956         { "mvrg_1",             send_to_rg,     {.id = 0} },
5957         { "mvrg_2",             send_to_rg,     {.id = 1} },
5958         { "mvrg_3",             send_to_rg,     {.id = 2} },
5959         { "mvrg_4",             send_to_rg,     {.id = 3} },
5960         { "mvrg_5",             send_to_rg,     {.id = 4} },
5961         { "mvrg_6",             send_to_rg,     {.id = 5} },
5962         { "mvrg_7",             send_to_rg,     {.id = 6} },
5963         { "mvrg_8",             send_to_rg,     {.id = 7} },
5964         { "mvrg_9",             send_to_rg,     {.id = 8} },
5965         { "mvws_1",             send_to_ws,     {.id = 0} },
5966         { "mvws_2",             send_to_ws,     {.id = 1} },
5967         { "mvws_3",             send_to_ws,     {.id = 2} },
5968         { "mvws_4",             send_to_ws,     {.id = 3} },
5969         { "mvws_5",             send_to_ws,     {.id = 4} },
5970         { "mvws_6",             send_to_ws,     {.id = 5} },
5971         { "mvws_7",             send_to_ws,     {.id = 6} },
5972         { "mvws_8",             send_to_ws,     {.id = 7} },
5973         { "mvws_9",             send_to_ws,     {.id = 8} },
5974         { "mvws_10",            send_to_ws,     {.id = 9} },
5975         { "mvws_11",            send_to_ws,     {.id = 10} },
5976         { "mvws_12",            send_to_ws,     {.id = 11} },
5977         { "mvws_13",            send_to_ws,     {.id = 12} },
5978         { "mvws_14",            send_to_ws,     {.id = 13} },
5979         { "mvws_15",            send_to_ws,     {.id = 14} },
5980         { "mvws_16",            send_to_ws,     {.id = 15} },
5981         { "mvws_17",            send_to_ws,     {.id = 16} },
5982         { "mvws_18",            send_to_ws,     {.id = 17} },
5983         { "mvws_19",            send_to_ws,     {.id = 18} },
5984         { "mvws_20",            send_to_ws,     {.id = 19} },
5985         { "mvws_21",            send_to_ws,     {.id = 20} },
5986         { "mvws_22",            send_to_ws,     {.id = 21} },
5987         { "name_workspace",     name_workspace, {0} },
5988         { "quit",               quit,           {0} },
5989         { "raise_toggle",       raise_toggle,   {0} },
5990         { "restart",            restart,        {0} },
5991         { "rg_1",               focusrg,        {.id = 0} },
5992         { "rg_2",               focusrg,        {.id = 1} },
5993         { "rg_3",               focusrg,        {.id = 2} },
5994         { "rg_4",               focusrg,        {.id = 3} },
5995         { "rg_5",               focusrg,        {.id = 4} },
5996         { "rg_6",               focusrg,        {.id = 5} },
5997         { "rg_7",               focusrg,        {.id = 6} },
5998         { "rg_8",               focusrg,        {.id = 7} },
5999         { "rg_9",               focusrg,        {.id = 8} },
6000         { "rg_next",            cyclerg,        {.id = SWM_ARG_ID_CYCLERG_UP} },
6001         { "rg_prev",            cyclerg,        {.id = SWM_ARG_ID_CYCLERG_DOWN} },
6002         { "screen_next",        cyclerg,        {.id = SWM_ARG_ID_CYCLERG_UP} },
6003         { "screen_prev",        cyclerg,        {.id = SWM_ARG_ID_CYCLERG_DOWN} },
6004         { "search_win",         search_win,     {0} },
6005         { "search_workspace",   search_workspace,       {0} },
6006         { "spawn_custom",       NULL,           {0} },
6007         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
6008         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
6009         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
6010         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
6011         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
6012         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
6013         { "uniconify",          uniconify,      {0} },
6014         { "version",            version,        {0} },
6015         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
6016         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
6017         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
6018         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
6019         { "ws_1",               switchws,       {.id = 0} },
6020         { "ws_2",               switchws,       {.id = 1} },
6021         { "ws_3",               switchws,       {.id = 2} },
6022         { "ws_4",               switchws,       {.id = 3} },
6023         { "ws_5",               switchws,       {.id = 4} },
6024         { "ws_6",               switchws,       {.id = 5} },
6025         { "ws_7",               switchws,       {.id = 6} },
6026         { "ws_8",               switchws,       {.id = 7} },
6027         { "ws_9",               switchws,       {.id = 8} },
6028         { "ws_10",              switchws,       {.id = 9} },
6029         { "ws_11",              switchws,       {.id = 10} },
6030         { "ws_12",              switchws,       {.id = 11} },
6031         { "ws_13",              switchws,       {.id = 12} },
6032         { "ws_14",              switchws,       {.id = 13} },
6033         { "ws_15",              switchws,       {.id = 14} },
6034         { "ws_16",              switchws,       {.id = 15} },
6035         { "ws_17",              switchws,       {.id = 16} },
6036         { "ws_18",              switchws,       {.id = 17} },
6037         { "ws_19",              switchws,       {.id = 18} },
6038         { "ws_20",              switchws,       {.id = 19} },
6039         { "ws_21",              switchws,       {.id = 20} },
6040         { "ws_22",              switchws,       {.id = 21} },
6041         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
6042         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
6043         { "ws_next_move",       cyclews,        {.id = SWM_ARG_ID_CYCLEWS_MOVE_UP} },
6044         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
6045         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
6046         { "ws_prev_move",       cyclews,        {.id = SWM_ARG_ID_CYCLEWS_MOVE_DOWN} },
6047         { "ws_prior",           priorws,        {0} },
6048         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
6049         { "invalid key func",   NULL,           {0} },
6050 };
6051
6052 int
6053 key_cmp(struct key *kp1, struct key *kp2)
6054 {
6055         if (kp1->keysym < kp2->keysym)
6056                 return (-1);
6057         if (kp1->keysym > kp2->keysym)
6058                 return (1);
6059
6060         if (kp1->mod < kp2->mod)
6061                 return (-1);
6062         if (kp1->mod > kp2->mod)
6063                 return (1);
6064
6065         return (0);
6066 }
6067
6068 /* mouse */
6069 enum { client_click, root_click };
6070 struct button {
6071         unsigned int            action;
6072         unsigned int            mask;
6073         unsigned int            button;
6074         void                    (*func)(struct ws_win *, union arg *);
6075         union arg               args;
6076 } buttons[] = {
6077 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
6078           /* action     key             mouse button    func    args */
6079         { client_click, MODKEY,         XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_DONTCENTER} },
6080         { client_click, MODKEY_SHIFT,   XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_CENTER} },
6081         { client_click, MODKEY,         XCB_BUTTON_INDEX_1,     move,   {0} },
6082 #undef MODKEY_SHIFT
6083 };
6084
6085 void
6086 update_modkey(unsigned int mod)
6087 {
6088         int                     i;
6089         struct key              *kp;
6090
6091         mod_key = mod;
6092         RB_FOREACH(kp, key_tree, &keys)
6093                 if (kp->mod & XCB_MOD_MASK_SHIFT)
6094                         kp->mod = mod | XCB_MOD_MASK_SHIFT;
6095                 else
6096                         kp->mod = mod;
6097
6098         for (i = 0; i < LENGTH(buttons); i++)
6099                 if (buttons[i].mask & XCB_MOD_MASK_SHIFT)
6100                         buttons[i].mask = mod | XCB_MOD_MASK_SHIFT;
6101                 else
6102                         buttons[i].mask = mod;
6103 }
6104
6105 int
6106 spawn_expand(struct swm_region *r, union arg *args, const char *spawn_name,
6107     char ***ret_args)
6108 {
6109         struct spawn_prog       *prog = NULL;
6110         int                     i, c;
6111         char                    *ap, **real_args;
6112
6113         /* suppress unused warning since var is needed */
6114         (void)args;
6115
6116         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
6117
6118         /* find program */
6119         TAILQ_FOREACH(prog, &spawns, entry) {
6120                 if (strcasecmp(spawn_name, prog->name) == 0)
6121                         break;
6122         }
6123         if (prog == NULL) {
6124                 warnx("spawn_custom: program %s not found", spawn_name);
6125                 return (-1);
6126         }
6127
6128         /* make room for expanded args */
6129         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
6130                 err(1, "spawn_custom: calloc real_args");
6131
6132         /* expand spawn_args into real_args */
6133         for (i = c = 0; i < prog->argc; i++) {
6134                 ap = prog->argv[i];
6135                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
6136                 if (strcasecmp(ap, "$bar_border") == 0) {
6137                         if ((real_args[c] =
6138                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
6139                             == NULL)
6140                                 err(1,  "spawn_custom border color");
6141                 } else if (strcasecmp(ap, "$bar_color") == 0) {
6142                         if ((real_args[c] =
6143                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
6144                             == NULL)
6145                                 err(1, "spawn_custom bar color");
6146                 } else if (strcasecmp(ap, "$bar_font") == 0) {
6147                         if ((real_args[c] = strdup(bar_fonts))
6148                             == NULL)
6149                                 err(1, "spawn_custom bar fonts");
6150                 } else if (strcasecmp(ap, "$bar_font_color") == 0) {
6151                         if ((real_args[c] =
6152                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
6153                             == NULL)
6154                                 err(1, "spawn_custom color font");
6155                 } else if (strcasecmp(ap, "$color_focus") == 0) {
6156                         if ((real_args[c] =
6157                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
6158                             == NULL)
6159                                 err(1, "spawn_custom color focus");
6160                 } else if (strcasecmp(ap, "$color_unfocus") == 0) {
6161                         if ((real_args[c] =
6162                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
6163                             == NULL)
6164                                 err(1, "spawn_custom color unfocus");
6165                 } else if (strcasecmp(ap, "$region_index") == 0) {
6166                         if (asprintf(&real_args[c], "%d",
6167                             get_region_index(r) + 1) < 1)
6168                                 err(1, "spawn_custom region index");
6169                 } else if (strcasecmp(ap, "$workspace_index") == 0) {
6170                         if (asprintf(&real_args[c], "%d", r->ws->idx + 1) < 1)
6171                                 err(1, "spawn_custom workspace index");
6172                 } else if (strcasecmp(ap, "$dmenu_bottom") == 0) {
6173                         if (!bar_at_bottom)
6174                                 continue;
6175                         if ((real_args[c] = strdup("-b")) == NULL)
6176                                 err(1, "spawn_custom workspace index");
6177                 } else {
6178                         /* no match --> copy as is */
6179                         if ((real_args[c] = strdup(ap)) == NULL)
6180                                 err(1, "spawn_custom strdup(ap)");
6181                 }
6182                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
6183                     real_args[c]);
6184                 ++c;
6185         }
6186
6187 #ifdef SWM_DEBUG
6188         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
6189         for (i = 0; i < c; ++i)
6190                 DPRINTF("\"%s\" ", real_args[i]);
6191         DPRINTF("\n");
6192 #endif
6193         *ret_args = real_args;
6194         return (c);
6195 }
6196
6197 void
6198 spawn_custom(struct swm_region *r, union arg *args, const char *spawn_name)
6199 {
6200         union arg               a;
6201         char                    **real_args;
6202         int                     spawn_argc, i;
6203
6204         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
6205                 return;
6206         a.argv = real_args;
6207         if (fork() == 0)
6208                 spawn(r->ws->idx, &a, 1);
6209
6210         for (i = 0; i < spawn_argc; i++)
6211                 free(real_args[i]);
6212         free(real_args);
6213 }
6214
6215 void
6216 spawn_select(struct swm_region *r, union arg *args, const char *spawn_name,
6217     int *pid)
6218 {
6219         union arg               a;
6220         char                    **real_args;
6221         int                     i, spawn_argc;
6222
6223         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
6224                 return;
6225         a.argv = real_args;
6226
6227         if (pipe(select_list_pipe) == -1)
6228                 err(1, "pipe error");
6229         if (pipe(select_resp_pipe) == -1)
6230                 err(1, "pipe error");
6231
6232         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
6233                 err(1, "could not disable SIGPIPE");
6234         switch (*pid = fork()) {
6235         case -1:
6236                 err(1, "cannot fork");
6237                 break;
6238         case 0: /* child */
6239                 if (dup2(select_list_pipe[0], STDIN_FILENO) == -1)
6240                         err(1, "dup2");
6241                 if (dup2(select_resp_pipe[1], STDOUT_FILENO) == -1)
6242                         err(1, "dup2");
6243                 close(select_list_pipe[1]);
6244                 close(select_resp_pipe[0]);
6245                 spawn(r->ws->idx, &a, 0);
6246                 break;
6247         default: /* parent */
6248                 close(select_list_pipe[0]);
6249                 close(select_resp_pipe[1]);
6250                 break;
6251         }
6252
6253         for (i = 0; i < spawn_argc; i++)
6254                 free(real_args[i]);
6255         free(real_args);
6256 }
6257
6258 void
6259 spawn_insert(const char *name, const char *args, int flags)
6260 {
6261         char                    *arg, *cp, *ptr;
6262         struct spawn_prog       *sp;
6263
6264         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
6265
6266         if ((sp = calloc(1, sizeof *sp)) == NULL)
6267                 err(1, "spawn_insert: calloc");
6268         if ((sp->name = strdup(name)) == NULL)
6269                 err(1, "spawn_insert: strdup");
6270
6271         /* convert the arguments to an argument list */
6272         if ((ptr = cp = strdup(args)) == NULL)
6273                 err(1, "spawn_insert: strdup");
6274         while ((arg = strsep(&ptr, " \t")) != NULL) {
6275                 /* empty field; skip it */
6276                 if (*arg == '\0')
6277                         continue;
6278
6279                 sp->argc++;
6280                 if ((sp->argv = realloc(sp->argv, sp->argc *
6281                     sizeof *sp->argv)) == NULL)
6282                         err(1, "spawn_insert: realloc");
6283                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
6284                         err(1, "spawn_insert: strdup");
6285         }
6286         free(cp);
6287
6288         sp->flags = flags;
6289
6290         TAILQ_INSERT_TAIL(&spawns, sp, entry);
6291         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
6292 }
6293
6294 void
6295 spawn_remove(struct spawn_prog *sp)
6296 {
6297         int                     i;
6298
6299         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
6300
6301         TAILQ_REMOVE(&spawns, sp, entry);
6302         for (i = 0; i < sp->argc; i++)
6303                 free(sp->argv[i]);
6304         free(sp->argv);
6305         free(sp->name);
6306         free(sp);
6307
6308         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
6309 }
6310
6311 struct spawn_prog*
6312 spawn_find(const char *name)
6313 {
6314         struct spawn_prog       *sp;
6315
6316         TAILQ_FOREACH(sp, &spawns, entry)
6317                 if (strcasecmp(sp->name, name) == 0)
6318                         return sp;
6319
6320         return NULL;
6321 }
6322
6323 void
6324 setspawn(const char *name, const char *args, int flags)
6325 {
6326         struct spawn_prog       *sp;
6327
6328         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
6329
6330         if (name == NULL)
6331                 return;
6332
6333         /* Remove any old spawn under the same name. */
6334         if ((sp = spawn_find(name)) != NULL)
6335                 spawn_remove(sp);
6336
6337         if (*args != '\0')
6338                 spawn_insert(name, args, flags);
6339         else
6340                 warnx("error: setspawn: cannot find program: %s", name);
6341
6342         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
6343 }
6344
6345 int
6346 setconfspawn(const char *selector, const char *value, int flags)
6347 {
6348         char            *args;
6349
6350         args = expand_tilde(value);
6351
6352         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, args);
6353
6354         setspawn(selector, args, flags);
6355         free(args);
6356
6357         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done.\n");
6358         return (0);
6359 }
6360
6361 void
6362 validate_spawns(void)
6363 {
6364         struct spawn_prog       *sp;
6365         char                    which[PATH_MAX];
6366         size_t                  i;
6367
6368         struct key              *kp;
6369
6370         RB_FOREACH(kp, key_tree, &keys) {
6371                 if (kp->funcid != KF_SPAWN_CUSTOM)
6372                         continue;
6373
6374                 /* find program */
6375                 sp = spawn_find(kp->spawn_name);
6376                 if (sp == NULL || sp->flags & SWM_SPAWN_OPTIONAL)
6377                         continue;
6378
6379                 /* verify we have the goods */
6380                 snprintf(which, sizeof which, "which %s", sp->argv[0]);
6381                 DNPRINTF(SWM_D_CONF, "validate_spawns: which %s\n",
6382                     sp->argv[0]);
6383                 for (i = strlen("which "); i < strlen(which); i++)
6384                         if (which[i] == ' ') {
6385                                 which[i] = '\0';
6386                                 break;
6387                         }
6388                 if (system(which) != 0)
6389                         add_startup_exception("could not find %s",
6390                             &which[strlen("which ")]);
6391         }
6392 }
6393
6394 void
6395 setup_spawn(void)
6396 {
6397         setconfspawn("lock",            "xlock",                0);
6398
6399         setconfspawn("term",            "xterm",                0);
6400         setconfspawn("spawn_term",      "xterm",                0);
6401
6402         setconfspawn("menu",            "dmenu_run"
6403                                         " $dmenu_bottom"
6404                                         " -fn $bar_font"
6405                                         " -nb $bar_color"
6406                                         " -nf $bar_font_color"
6407                                         " -sb $bar_border"
6408                                         " -sf $bar_color",      0);
6409
6410         setconfspawn("search",          "dmenu"
6411                                         " $dmenu_bottom"
6412                                         " -i"
6413                                         " -fn $bar_font"
6414                                         " -nb $bar_color"
6415                                         " -nf $bar_font_color"
6416                                         " -sb $bar_border"
6417                                         " -sf $bar_color",      0);
6418
6419         setconfspawn("name_workspace",  "dmenu"
6420                                         " $dmenu_bottom"
6421                                         " -p Workspace"
6422                                         " -fn $bar_font"
6423                                         " -nb $bar_color"
6424                                         " -nf $bar_font_color"
6425                                         " -sb $bar_border"
6426                                         " -sf $bar_color",      0);
6427
6428          /* These are not verified for existence, even with a binding set. */
6429         setconfspawn("screenshot_all",  "screenshot.sh full",   SWM_SPAWN_OPTIONAL);
6430         setconfspawn("screenshot_wind", "screenshot.sh window", SWM_SPAWN_OPTIONAL);
6431         setconfspawn("initscr",         "initscreen.sh",        SWM_SPAWN_OPTIONAL);
6432 }
6433
6434 /* key bindings */
6435 #define SWM_MODNAME_SIZE        32
6436 #define SWM_KEY_WS              "\n+ \t"
6437 int
6438 parsekeys(const char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
6439 {
6440         char                    *str, *cp, *name;
6441         KeySym                  uks;
6442
6443         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
6444         if (mod == NULL || ks == NULL) {
6445                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
6446                 return (1);
6447         }
6448         if (keystr == NULL || strlen(keystr) == 0) {
6449                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
6450                 return (1);
6451         }
6452
6453         if ((cp = str = strdup(keystr)) == NULL)
6454                 err(1, "parsekeys: strdup");
6455
6456         *ks = XCB_NO_SYMBOL;
6457         *mod = 0;
6458         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
6459                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
6460                 if (cp)
6461                         cp += (long)strspn(cp, SWM_KEY_WS);
6462                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
6463                         *mod |= currmod;
6464                 else if (strncasecmp(name, "Mod1", SWM_MODNAME_SIZE) == 0)
6465                         *mod |= XCB_MOD_MASK_1;
6466                 else if (strncasecmp(name, "Mod2", SWM_MODNAME_SIZE) == 0)
6467                         *mod += XCB_MOD_MASK_2;
6468                 else if (strncmp(name, "Mod3", SWM_MODNAME_SIZE) == 0)
6469                         *mod |= XCB_MOD_MASK_3;
6470                 else if (strncmp(name, "Mod4", SWM_MODNAME_SIZE) == 0)
6471                         *mod |= XCB_MOD_MASK_4;
6472                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
6473                         *mod |= XCB_MOD_MASK_SHIFT;
6474                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
6475                         *mod |= XCB_MOD_MASK_CONTROL;
6476                 else {
6477                         *ks = XStringToKeysym(name);
6478                         XConvertCase(*ks, ks, &uks);
6479                         if (ks == XCB_NO_SYMBOL) {
6480                                 DNPRINTF(SWM_D_KEY,
6481                                     "parsekeys: invalid key %s\n",
6482                                     name);
6483                                 free(str);
6484                                 return (1);
6485                         }
6486                 }
6487         }
6488
6489         free(str);
6490         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
6491         return (0);
6492 }
6493
6494 char *
6495 strdupsafe(const char *str)
6496 {
6497         if (str == NULL)
6498                 return (NULL);
6499         else
6500                 return (strdup(str));
6501 }
6502
6503 void
6504 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid,
6505     const char *spawn_name)
6506 {
6507         struct key              *kp;
6508
6509         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
6510             keyfuncs[kfid].name, spawn_name);
6511
6512         if ((kp = malloc(sizeof *kp)) == NULL)
6513                 err(1, "key_insert: malloc");
6514
6515         kp->mod = mod;
6516         kp->keysym = ks;
6517         kp->funcid = kfid;
6518         kp->spawn_name = strdupsafe(spawn_name);
6519         RB_INSERT(key_tree, &keys, kp);
6520
6521         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
6522 }
6523
6524 struct key *
6525 key_lookup(unsigned int mod, KeySym ks)
6526 {
6527         struct key              kp;
6528
6529         kp.keysym = ks;
6530         kp.mod = mod;
6531
6532         return (RB_FIND(key_tree, &keys, &kp));
6533 }
6534
6535 void
6536 key_remove(struct key *kp)
6537 {
6538         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
6539
6540         RB_REMOVE(key_tree, &keys, kp);
6541         free(kp->spawn_name);
6542         free(kp);
6543
6544         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
6545 }
6546
6547 void
6548 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
6549     const char *spawn_name)
6550 {
6551         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
6552             spawn_name);
6553
6554         key_remove(kp);
6555         key_insert(mod, ks, kfid, spawn_name);
6556
6557         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
6558 }
6559
6560 void
6561 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
6562     const char *spawn_name)
6563 {
6564         struct key              *kp;
6565
6566         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
6567             keyfuncs[kfid].name, spawn_name);
6568
6569         if ((kp = key_lookup(mod, ks)) != NULL) {
6570                 if (kfid == KF_INVALID)
6571                         key_remove(kp);
6572                 else
6573                         key_replace(kp, mod, ks, kfid, spawn_name);
6574                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6575                 return;
6576         }
6577         if (kfid == KF_INVALID) {
6578                 warnx("bind: Key combination already unbound.");
6579                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6580                 return;
6581         }
6582
6583         key_insert(mod, ks, kfid, spawn_name);
6584         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6585 }
6586
6587 int
6588 setconfbinding(const char *selector, const char *value, int flags)
6589 {
6590         enum keyfuncid          kfid;
6591         unsigned int            mod;
6592         KeySym                  ks;
6593         struct spawn_prog       *sp;
6594
6595         /* suppress unused warning since var is needed */
6596         (void)flags;
6597
6598         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
6599         if (selector == NULL) {
6600                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
6601                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6602                         kfid = KF_INVALID;
6603                         setkeybinding(mod, ks, kfid, NULL);
6604                         return (0);
6605                 } else
6606                         return (1);
6607         }
6608         /* search by key function name */
6609         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
6610                 if (strncasecmp(selector, keyfuncs[kfid].name,
6611                     SWM_FUNCNAME_LEN) == 0) {
6612                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match "
6613                             "keyfunc\n", selector);
6614                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6615                                 setkeybinding(mod, ks, kfid, NULL);
6616                                 return (0);
6617                         } else
6618                                 return (1);
6619                 }
6620         }
6621         /* search by custom spawn name */
6622         if ((sp = spawn_find(selector)) != NULL) {
6623                 DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match "
6624                     "spawn\n", selector);
6625                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6626                         setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
6627                             sp->name);
6628                         return (0);
6629                 } else
6630                         return (1);
6631         }
6632         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
6633         return (1);
6634 }
6635
6636 void
6637 setup_keys(void)
6638 {
6639 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
6640         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
6641         setkeybinding(MODKEY_SHIFT,     XK_b,           KF_BAR_TOGGLE_WS,NULL);
6642         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
6643         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
6644         setkeybinding(MODKEY_SHIFT,     XK_backslash,   KF_FLIP_LAYOUT, NULL);
6645         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
6646         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
6647         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
6648         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
6649         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
6650         setkeybinding(MODKEY_SHIFT,     XK_Tab,         KF_FOCUS_PREV,  NULL);
6651         setkeybinding(MODKEY,           XK_u,           KF_FOCUS_URGENT,NULL);
6652         setkeybinding(MODKEY_SHIFT,     XK_equal,       KF_HEIGHT_GROW,NULL);
6653         setkeybinding(MODKEY_SHIFT,     XK_minus,       KF_HEIGHT_SHRINK,NULL);
6654         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
6655         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
6656         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
6657         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
6658         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
6659         setkeybinding(MODKEY_SHIFT,     XK_bracketright,KF_MOVE_DOWN,NULL);
6660         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
6661         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
6662         setkeybinding(MODKEY_SHIFT,     XK_bracketleft, KF_MOVE_UP,     NULL);
6663         setkeybinding(MODKEY_SHIFT,     XK_KP_End,      KF_MVRG_1,      NULL);
6664         setkeybinding(MODKEY_SHIFT,     XK_KP_Down,     KF_MVRG_2,      NULL);
6665         setkeybinding(MODKEY_SHIFT,     XK_KP_Next,     KF_MVRG_3,      NULL);
6666         setkeybinding(MODKEY_SHIFT,     XK_KP_Left,     KF_MVRG_4,      NULL);
6667         setkeybinding(MODKEY_SHIFT,     XK_KP_Begin,    KF_MVRG_5,      NULL);
6668         setkeybinding(MODKEY_SHIFT,     XK_KP_Right,    KF_MVRG_6,      NULL);
6669         setkeybinding(MODKEY_SHIFT,     XK_KP_Home,     KF_MVRG_7,      NULL);
6670         setkeybinding(MODKEY_SHIFT,     XK_KP_Up,       KF_MVRG_8,      NULL);
6671         setkeybinding(MODKEY_SHIFT,     XK_KP_Prior,    KF_MVRG_9,      NULL);
6672         setkeybinding(MODKEY_SHIFT,     XK_1,           KF_MVWS_1,      NULL);
6673         setkeybinding(MODKEY_SHIFT,     XK_2,           KF_MVWS_2,      NULL);
6674         setkeybinding(MODKEY_SHIFT,     XK_3,           KF_MVWS_3,      NULL);
6675         setkeybinding(MODKEY_SHIFT,     XK_4,           KF_MVWS_4,      NULL);
6676         setkeybinding(MODKEY_SHIFT,     XK_5,           KF_MVWS_5,      NULL);
6677         setkeybinding(MODKEY_SHIFT,     XK_6,           KF_MVWS_6,      NULL);
6678         setkeybinding(MODKEY_SHIFT,     XK_7,           KF_MVWS_7,      NULL);
6679         setkeybinding(MODKEY_SHIFT,     XK_8,           KF_MVWS_8,      NULL);
6680         setkeybinding(MODKEY_SHIFT,     XK_9,           KF_MVWS_9,      NULL);
6681         setkeybinding(MODKEY_SHIFT,     XK_0,           KF_MVWS_10,     NULL);
6682         setkeybinding(MODKEY_SHIFT,     XK_F1,          KF_MVWS_11,     NULL);
6683         setkeybinding(MODKEY_SHIFT,     XK_F2,          KF_MVWS_12,     NULL);
6684         setkeybinding(MODKEY_SHIFT,     XK_F3,          KF_MVWS_13,     NULL);
6685         setkeybinding(MODKEY_SHIFT,     XK_F4,          KF_MVWS_14,     NULL);
6686         setkeybinding(MODKEY_SHIFT,     XK_F5,          KF_MVWS_15,     NULL);
6687         setkeybinding(MODKEY_SHIFT,     XK_F6,          KF_MVWS_16,     NULL);
6688         setkeybinding(MODKEY_SHIFT,     XK_F7,          KF_MVWS_17,     NULL);
6689         setkeybinding(MODKEY_SHIFT,     XK_F8,          KF_MVWS_18,     NULL);
6690         setkeybinding(MODKEY_SHIFT,     XK_F9,          KF_MVWS_19,     NULL);
6691         setkeybinding(MODKEY_SHIFT,     XK_F10,         KF_MVWS_20,     NULL);
6692         setkeybinding(MODKEY_SHIFT,     XK_F11,         KF_MVWS_21,     NULL);
6693         setkeybinding(MODKEY_SHIFT,     XK_F12,         KF_MVWS_22,     NULL);
6694         setkeybinding(MODKEY_SHIFT,     XK_slash,       KF_NAME_WORKSPACE,NULL);
6695         setkeybinding(MODKEY_SHIFT,     XK_q,           KF_QUIT,        NULL);
6696         setkeybinding(MODKEY_SHIFT,     XK_r,           KF_RAISE_TOGGLE,NULL);
6697         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
6698         setkeybinding(MODKEY,           XK_KP_End,      KF_RG_1,        NULL);
6699         setkeybinding(MODKEY,           XK_KP_Down,     KF_RG_2,        NULL);
6700         setkeybinding(MODKEY,           XK_KP_Next,     KF_RG_3,        NULL);
6701         setkeybinding(MODKEY,           XK_KP_Left,     KF_RG_4,        NULL);
6702         setkeybinding(MODKEY,           XK_KP_Begin,    KF_RG_5,        NULL);
6703         setkeybinding(MODKEY,           XK_KP_Right,    KF_RG_6,        NULL);
6704         setkeybinding(MODKEY,           XK_KP_Home,     KF_RG_7,        NULL);
6705         setkeybinding(MODKEY,           XK_KP_Up,       KF_RG_8,        NULL);
6706         setkeybinding(MODKEY,           XK_KP_Prior,    KF_RG_9,        NULL);
6707         setkeybinding(MODKEY_SHIFT,     XK_Right,       KF_RG_NEXT,     NULL);
6708         setkeybinding(MODKEY_SHIFT,     XK_Left,        KF_RG_PREV,     NULL);
6709         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
6710         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
6711         setkeybinding(MODKEY_SHIFT,     XK_i,           KF_SPAWN_CUSTOM,"initscr");
6712         setkeybinding(MODKEY_SHIFT,     XK_Delete,      KF_SPAWN_CUSTOM,"lock");
6713         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
6714         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
6715         setkeybinding(MODKEY_SHIFT,     XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
6716         setkeybinding(MODKEY_SHIFT,     XK_Return,      KF_SPAWN_CUSTOM,"term");
6717         setkeybinding(MODKEY_SHIFT,     XK_comma,       KF_STACK_INC,   NULL);
6718         setkeybinding(MODKEY_SHIFT,     XK_period,      KF_STACK_DEC,   NULL);
6719         setkeybinding(MODKEY_SHIFT,     XK_space,       KF_STACK_RESET, NULL);
6720         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
6721         setkeybinding(MODKEY_SHIFT,     XK_j,           KF_SWAP_NEXT,   NULL);
6722         setkeybinding(MODKEY_SHIFT,     XK_k,           KF_SWAP_PREV,   NULL);
6723         setkeybinding(MODKEY_SHIFT,     XK_w,           KF_UNICONIFY,   NULL);
6724         setkeybinding(MODKEY_SHIFT,     XK_v,           KF_VERSION,     NULL);
6725         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
6726         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
6727         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
6728         setkeybinding(MODKEY_SHIFT,     XK_x,           KF_WIND_KILL,   NULL);
6729         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
6730         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
6731         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
6732         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
6733         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
6734         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
6735         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
6736         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
6737         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
6738         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
6739         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
6740         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
6741         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
6742         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
6743         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
6744         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
6745         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
6746         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
6747         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
6748         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
6749         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
6750         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
6751         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
6752         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
6753         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
6754         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
6755         setkeybinding(MODKEY_SHIFT,     XK_Up,          KF_WS_NEXT_MOVE,NULL);
6756         setkeybinding(MODKEY_SHIFT,     XK_Down,        KF_WS_PREV_MOVE,NULL);
6757         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
6758 #ifdef SWM_DEBUG
6759         setkeybinding(MODKEY_SHIFT,     XK_d,           KF_DUMPWINS,    NULL);
6760 #endif
6761 #undef MODKEY_SHIFT
6762 }
6763
6764 void
6765 clear_keys(void)
6766 {
6767         struct key              *kp;
6768
6769         while (RB_EMPTY(&keys) == 0) {
6770                 kp = RB_ROOT(&keys);
6771                 key_remove(kp);
6772         }
6773 }
6774
6775 int
6776 setkeymapping(const char *selector, const char *value, int flags)
6777 {
6778         char                    *keymapping_file;
6779
6780         /* suppress unused warnings since vars are needed */
6781         (void)selector;
6782         (void)flags;
6783
6784         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
6785
6786         keymapping_file = expand_tilde(value);
6787
6788         clear_keys();
6789         /* load new key bindings; if it fails, revert to default bindings */
6790         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
6791                 clear_keys();
6792                 setup_keys();
6793         }
6794
6795         free(keymapping_file);
6796
6797         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
6798         return (0);
6799 }
6800
6801 void
6802 updatenumlockmask(void)
6803 {
6804         unsigned int                            i, j;
6805         xcb_get_modifier_mapping_reply_t        *modmap_r;
6806         xcb_keycode_t                           *modmap, kc, *keycode;
6807
6808         numlockmask = 0;
6809
6810         modmap_r = xcb_get_modifier_mapping_reply(conn,
6811             xcb_get_modifier_mapping(conn),
6812             NULL);
6813         if (modmap_r) {
6814                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
6815                 for (i = 0; i < 8; i++) {
6816                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
6817                                 kc = modmap[i * modmap_r->keycodes_per_modifier
6818                                     + j];
6819                                 keycode = xcb_key_symbols_get_keycode(syms,
6820                                                 XK_Num_Lock);
6821                                 if (kc == *keycode)
6822                                         numlockmask = (1 << i);
6823                                 free(keycode);
6824                         }
6825                 }
6826                 free(modmap_r);
6827         }
6828         DNPRINTF(SWM_D_MISC, "updatenumlockmask: %d\n", numlockmask);
6829 }
6830
6831 void
6832 grabkeys(void)
6833 {
6834         struct key              *kp;
6835         int                     num_screens, k, j;
6836         unsigned int            modifiers[4];
6837         xcb_keycode_t           *code;
6838
6839         DNPRINTF(SWM_D_MISC, "grabkeys\n");
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         num_screens = get_screen_count();
6848         for (k = 0; k < num_screens; k++) {
6849                 if (TAILQ_EMPTY(&screens[k].rl))
6850                         continue;
6851                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
6852                         XCB_MOD_MASK_ANY);
6853                 RB_FOREACH(kp, key_tree, &keys) {
6854                         /* Skip unused ws binds. */
6855                         if ((int)kp->funcid > KF_WS_1 + workspace_limit - 1 &&
6856                             kp->funcid <= KF_WS_22)
6857                                 continue;
6858
6859                         /* Skip unused mvws binds. */
6860                         if ((int)kp->funcid > KF_MVWS_1 + workspace_limit - 1 &&
6861                             kp->funcid <= KF_MVWS_22)
6862                                 continue;
6863
6864                         if ((code = xcb_key_symbols_get_keycode(syms,
6865                                         kp->keysym))) {
6866                                 for (j = 0; j < LENGTH(modifiers); j++)
6867                                         xcb_grab_key(conn, 1,
6868                                             screens[k].root,
6869                                             kp->mod | modifiers[j],
6870                                             *code, XCB_GRAB_MODE_SYNC,
6871                                             XCB_GRAB_MODE_SYNC);
6872                                 free(code);
6873                         }
6874                 }
6875         }
6876 }
6877
6878 void
6879 grabbuttons(struct ws_win *win)
6880 {
6881         unsigned int    modifiers[4];
6882         int             i, j;
6883
6884         DNPRINTF(SWM_D_MOUSE, "grabbuttons: win 0x%x\n", win->id);
6885         updatenumlockmask();
6886
6887         modifiers[0] = 0;
6888         modifiers[1] = numlockmask;
6889         modifiers[2] = XCB_MOD_MASK_LOCK;
6890         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6891
6892         for (i = 0; i < LENGTH(buttons); i++)
6893                 if (buttons[i].action == client_click)
6894                         for (j = 0; j < LENGTH(modifiers); ++j)
6895                                 xcb_grab_button(conn, 0, win->id, BUTTONMASK,
6896                                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC,
6897                                     XCB_WINDOW_NONE, XCB_CURSOR_NONE,
6898                                     buttons[i].button, buttons[i].mask |
6899                                     modifiers[j]);
6900 }
6901
6902 const char *quirkname[] = {
6903         "NONE",         /* config string for "no value" */
6904         "FLOAT",
6905         "TRANSSZ",
6906         "ANYWHERE",
6907         "XTERM_FONTADJ",
6908         "FULLSCREEN",
6909         "FOCUSPREV",
6910         "NOFOCUSONMAP",
6911         "FOCUSONMAP_SINGLE",
6912 };
6913
6914 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
6915 #define SWM_Q_WS                "\n|+ \t"
6916 int
6917 parsequirks(const char *qstr, unsigned long *quirk)
6918 {
6919         char                    *str, *cp, *name;
6920         int                     i;
6921
6922         if (quirk == NULL || qstr == NULL)
6923                 return (1);
6924
6925         if ((str = strdup(qstr)) == NULL)
6926                 err(1, "parsequirks: strdup");
6927
6928         cp = str;
6929         *quirk = 0;
6930         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
6931                 if (cp)
6932                         cp += (long)strspn(cp, SWM_Q_WS);
6933                 for (i = 0; i < LENGTH(quirkname); i++) {
6934                         if (strncasecmp(name, quirkname[i],
6935                             SWM_QUIRK_LEN) == 0) {
6936                                 DNPRINTF(SWM_D_QUIRK,
6937                                     "parsequirks: %s\n", name);
6938                                 if (i == 0) {
6939                                         *quirk = 0;
6940                                         free(str);
6941                                         return (0);
6942                                 }
6943                                 *quirk |= 1 << (i-1);
6944                                 break;
6945                         }
6946                 }
6947                 if (i >= LENGTH(quirkname)) {
6948                         DNPRINTF(SWM_D_QUIRK,
6949                             "parsequirks: invalid quirk [%s]\n", name);
6950                         free(str);
6951                         return (1);
6952                 }
6953         }
6954
6955         free(str);
6956         return (0);
6957 }
6958
6959 void
6960 quirk_insert(const char *class, const char *instance, const char *name,
6961     unsigned long quirk)
6962 {
6963         struct quirk            *qp;
6964         int                     failed = 0;
6965         char                    *str;
6966
6967         DNPRINTF(SWM_D_QUIRK, "quirk_insert: class: %s, instance: %s, name: %s,"
6968             " value: %lu\n", class, instance, name, quirk);
6969
6970         if ((qp = malloc(sizeof *qp)) == NULL)
6971                 err(1, "quirk_insert: malloc");
6972
6973         if ((qp->class = strdup(class)) == NULL)
6974                 err(1, "quirk_insert: strdup");
6975         if ((qp->instance = strdup(instance)) == NULL)
6976                 err(1, "quirk_insert: strdup");
6977         if ((qp->name = strdup(name)) == NULL)
6978                 err(1, "quirk_insert: strdup");
6979
6980         if (asprintf(&str, "^%s$", class) == -1)
6981                 err(1, "quirk_insert: asprintf");
6982         if (regcomp(&qp->regex_class, str, REG_EXTENDED | REG_NOSUB)) {
6983                 add_startup_exception("regex failed to compile quirk 'class' "
6984                     "field: %s", class);
6985                 failed = 1;
6986         }
6987         DNPRINTF(SWM_D_QUIRK, "quirk_insert: compiled: %s\n", str);
6988         free(str);
6989
6990         if (asprintf(&str, "^%s$", instance) == -1)
6991                 err(1, "quirk_insert: asprintf");
6992         if (regcomp(&qp->regex_instance, str, REG_EXTENDED | REG_NOSUB)) {
6993                 add_startup_exception("regex failed to compile quirk 'instance'"
6994                     " field: %s", instance);
6995                 failed = 1;
6996         }
6997         DNPRINTF(SWM_D_QUIRK, "quirk_insert: compiled: %s\n", str);
6998         free(str);
6999
7000         if (asprintf(&str, "^%s$", name) == -1)
7001                 err(1, "quirk_insert: asprintf");
7002         if (regcomp(&qp->regex_name, str, REG_EXTENDED | REG_NOSUB)) {
7003                 add_startup_exception("regex failed to compile quirk 'name' "
7004                     "field: %s", name);
7005                 failed = 1;
7006         }
7007         DNPRINTF(SWM_D_QUIRK, "quirk_insert: compiled: %s\n", str);
7008         free(str);
7009
7010         if (failed) {
7011                 DNPRINTF(SWM_D_QUIRK, "quirk_insert: regex error; skipping.\n");
7012                 quirk_free(qp);
7013         } else {
7014                 qp->quirk = quirk;
7015                 TAILQ_INSERT_TAIL(&quirks, qp, entry);
7016         }
7017         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
7018 }
7019
7020 void
7021 quirk_remove(struct quirk *qp)
7022 {
7023         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
7024             qp->name, qp->quirk);
7025
7026         TAILQ_REMOVE(&quirks, qp, entry);
7027         quirk_free(qp);
7028
7029         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
7030 }
7031
7032 void
7033 quirk_free(struct quirk *qp)
7034 {
7035         regfree(&qp->regex_class);
7036         regfree(&qp->regex_instance);
7037         regfree(&qp->regex_name);
7038         free(qp->class);
7039         free(qp->instance);
7040         free(qp->name);
7041         free(qp);
7042 }
7043
7044 void
7045 quirk_replace(struct quirk *qp, const char *class, const char *instance,
7046     const char *name, unsigned long quirk)
7047 {
7048         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s:%s [%lu]\n", qp->class,
7049             qp->instance, qp->name, qp->quirk);
7050
7051         quirk_remove(qp);
7052         quirk_insert(class, instance, name, quirk);
7053
7054         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
7055 }
7056
7057 void
7058 setquirk(const char *class, const char *instance, const char *name,
7059     unsigned long quirk)
7060 {
7061         struct quirk            *qp;
7062
7063         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s:%s [%lu]\n", class,
7064             instance, name, quirk);
7065
7066         /* Remove/replace existing quirk. */
7067         TAILQ_FOREACH(qp, &quirks, entry) {
7068                 if (strcmp(qp->class, class) == 0 &&
7069                     strcmp(qp->instance, instance) == 0 &&
7070                     strcmp(qp->name, name) == 0) {
7071                         if (quirk == 0)
7072                                 quirk_remove(qp);
7073                         else
7074                                 quirk_replace(qp, class, instance, name, quirk);
7075                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
7076                         return;
7077                 }
7078         }
7079
7080         /* Only insert if quirk is not NONE. */
7081         if (quirk)
7082                 quirk_insert(class, instance, name, quirk);
7083
7084         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
7085 }
7086
7087 /* Eat '\' in str used to escape square brackets and colon. */
7088 void
7089 unescape_selector(char *str)
7090 {
7091         char *cp;
7092
7093         for (cp = str; *str != '\0'; ++str, ++cp) {
7094                 if (*str == '\\' && (*(str + 1) == ':' || *(str + 1) == ']' ||
7095                     *(str + 1) == '['))
7096                         ++str;
7097
7098                 *cp = *str;
7099         }
7100         *cp = '\0';
7101 }
7102
7103 int
7104 setconfquirk(const char *selector, const char *value, int flags)
7105 {
7106         char                    *str, *cp, *class;
7107         char                    *instance = NULL, *name = NULL;
7108         int                     retval, count = 0;
7109         unsigned long           qrks;
7110
7111         /* suppress unused warning since var is needed */
7112         (void)flags;
7113
7114         if (selector == NULL)
7115                 return (0);
7116
7117         if ((str = strdup(selector)) == NULL)
7118                 err(1, "setconfquirk: strdup");
7119
7120         /* Find non-escaped colon. */
7121         class = cp = str;
7122         if (*cp == ':') {
7123                 *cp = '\0';
7124                 ++count;
7125         }
7126
7127         for (++cp; *cp != '\0'; ++cp) {
7128                 if (*cp == ':' && *(cp - 1) != '\\') {
7129                         *cp = '\0';
7130                         ++count;
7131                 }
7132         }
7133
7134         unescape_selector(class);
7135         if (count) {
7136                 instance = class + strlen(class) + 1;
7137                 unescape_selector(instance);
7138         } else {
7139                 instance = ".*";
7140         }
7141
7142         if (count > 1) {
7143                 name = instance + strlen(instance) + 1;
7144                 unescape_selector(name);
7145         } else {
7146                 name = ".*";
7147         }
7148
7149         DNPRINTF(SWM_D_CONF, "setconfquirk: class: %s, instance: %s, "
7150             "name: %s\n", class, instance, name);
7151
7152         if ((retval = parsequirks(value, &qrks)) == 0)
7153                 setquirk(class, instance, name, qrks);
7154
7155         free(str);
7156         return (retval);
7157 }
7158
7159 void
7160 setup_quirks(void)
7161 {
7162         setquirk("MPlayer",             "xv",           "",     SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
7163         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  "",     SWM_Q_FLOAT);
7164         setquirk("Firefox-bin",         "firefox-bin",  "",     SWM_Q_TRANSSZ);
7165         setquirk("Firefox",             "Dialog",       "",     SWM_Q_FLOAT);
7166         setquirk("Gimp",                "gimp",         "",     SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7167         setquirk("XTerm",               "xterm",        "",     SWM_Q_XTERM_FONTADJ);
7168         setquirk("xine",                "Xine Window",  "",     SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7169         setquirk("Xitk",                "Xitk Combo",   "",     SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7170         setquirk("xine",                "xine Panel",   "",     SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7171         setquirk("Xitk",                "Xine Window",  "",     SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7172         setquirk("xine",                "xine Video Fullscreen Window", "",     SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
7173         setquirk("pcb",                 "pcb",          "",     SWM_Q_FLOAT);
7174         setquirk("SDL_App",             "SDL_App",      "",     SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
7175 }
7176
7177 /* conf file stuff */
7178 #define SWM_CONF_FILE           "spectrwm.conf"
7179 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
7180
7181 enum {
7182         SWM_S_BAR_ACTION,
7183         SWM_S_BAR_AT_BOTTOM,
7184         SWM_S_BAR_BORDER_WIDTH,
7185         SWM_S_BAR_DELAY,
7186         SWM_S_BAR_ENABLED,
7187         SWM_S_BAR_ENABLED_WS,
7188         SWM_S_BAR_FONT,
7189         SWM_S_BAR_FORMAT,
7190         SWM_S_BAR_JUSTIFY,
7191         SWM_S_BORDER_WIDTH,
7192         SWM_S_BOUNDARY_WIDTH,
7193         SWM_S_CLOCK_ENABLED,
7194         SWM_S_CLOCK_FORMAT,
7195         SWM_S_CYCLE_EMPTY,
7196         SWM_S_CYCLE_VISIBLE,
7197         SWM_S_DIALOG_RATIO,
7198         SWM_S_DISABLE_BORDER,
7199         SWM_S_FOCUS_CLOSE,
7200         SWM_S_FOCUS_CLOSE_WRAP,
7201         SWM_S_FOCUS_DEFAULT,
7202         SWM_S_FOCUS_MODE,
7203         SWM_S_ICONIC_ENABLED,
7204         SWM_S_REGION_PADDING,
7205         SWM_S_SPAWN_ORDER,
7206         SWM_S_SPAWN_TERM,
7207         SWM_S_SS_APP,
7208         SWM_S_SS_ENABLED,
7209         SWM_S_STACK_ENABLED,
7210         SWM_S_TERM_WIDTH,
7211         SWM_S_TILE_GAP,
7212         SWM_S_URGENT_ENABLED,
7213         SWM_S_VERBOSE_LAYOUT,
7214         SWM_S_WINDOW_CLASS_ENABLED,
7215         SWM_S_WINDOW_INSTANCE_ENABLED,
7216         SWM_S_WINDOW_NAME_ENABLED,
7217         SWM_S_WORKSPACE_LIMIT
7218 };
7219
7220 int
7221 setconfvalue(const char *selector, const char *value, int flags)
7222 {
7223         struct workspace        *ws;
7224         int                     i, ws_id, num_screens;
7225         char                    *b, *str;
7226
7227         /* suppress unused warning since var is needed */
7228         (void)selector;
7229
7230         switch (flags) {
7231         case SWM_S_BAR_ACTION:
7232                 free(bar_argv[0]);
7233                 if ((bar_argv[0] = expand_tilde(value)) == NULL)
7234                         err(1, "setconfvalue: bar_action");
7235                 break;
7236         case SWM_S_BAR_AT_BOTTOM:
7237                 bar_at_bottom = atoi(value);
7238                 break;
7239         case SWM_S_BAR_BORDER_WIDTH:
7240                 bar_border_width = atoi(value);
7241                 if (bar_border_width < 0)
7242                         bar_border_width = 0;
7243                 break;
7244         case SWM_S_BAR_DELAY:
7245                 /* No longer needed; leave to not break old conf files. */
7246                 break;
7247         case SWM_S_BAR_ENABLED:
7248                 bar_enabled = atoi(value);
7249                 break;
7250         case SWM_S_BAR_ENABLED_WS:
7251                 ws_id = atoi(selector) - 1;
7252                 if (ws_id < 0 || ws_id >= workspace_limit)
7253                         errx(1, "setconfvalue: bar_enabled_ws: invalid "
7254                             "workspace %d.", ws_id + 1);
7255
7256                 num_screens = get_screen_count();
7257                 for (i = 0; i < num_screens; i++) {
7258                         ws = (struct workspace *)&screens[i].ws;
7259                         ws[ws_id].bar_enabled = atoi(value);
7260                 }
7261                 break;
7262         case SWM_S_BAR_FONT:
7263                 b = bar_fonts;
7264                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
7265                         err(1, "setconfvalue: asprintf: failed to allocate "
7266                                 "memory for bar_fonts.");
7267                 free(b);
7268
7269                 /* If already in xft mode, then we are done. */
7270                 if (!bar_font_legacy)
7271                         break;
7272
7273                 if ((str = strdup(value)) == NULL)
7274                         err(1, "setconfvalue: strdup");
7275
7276                 /* If there are any non-XLFD entries, switch to Xft mode. */
7277                 while ((b = strsep(&str, ",")) != NULL) {
7278                         if (*b == '\0')
7279                                 continue;
7280                         if (!isxlfd(b)) {
7281                                 bar_font_legacy = 0;
7282                                 break;
7283                         }
7284                 }
7285
7286                 free(str);
7287                 break;
7288         case SWM_S_BAR_FORMAT:
7289                 free(bar_format);
7290                 if ((bar_format = strdup(value)) == NULL)
7291                         err(1, "setconfvalue: bar_format");
7292                 break;
7293         case SWM_S_BAR_JUSTIFY:
7294                 if (strcmp(value, "left") == 0)
7295                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
7296                 else if (strcmp(value, "center") == 0)
7297                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
7298                 else if (strcmp(value, "right") == 0)
7299                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
7300                 else
7301                         errx(1, "invalid bar_justify");
7302                 break;
7303         case SWM_S_BORDER_WIDTH:
7304                 border_width = atoi(value);
7305                 if (border_width < 0)
7306                         border_width = 0;
7307                 break;
7308         case SWM_S_BOUNDARY_WIDTH:
7309                 boundary_width = atoi(value);
7310                 if (boundary_width < 0)
7311                         boundary_width = 0;
7312                 break;
7313         case SWM_S_CLOCK_ENABLED:
7314                 clock_enabled = atoi(value);
7315                 break;
7316         case SWM_S_CLOCK_FORMAT:
7317 #ifndef SWM_DENY_CLOCK_FORMAT
7318                 free(clock_format);
7319                 if ((clock_format = strdup(value)) == NULL)
7320                         err(1, "setconfvalue: clock_format");
7321 #endif
7322                 break;
7323         case SWM_S_CYCLE_EMPTY:
7324                 cycle_empty = atoi(value);
7325                 break;
7326         case SWM_S_CYCLE_VISIBLE:
7327                 cycle_visible = atoi(value);
7328                 break;
7329         case SWM_S_DIALOG_RATIO:
7330                 dialog_ratio = atof(value);
7331                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
7332                         dialog_ratio = .6;
7333                 break;
7334         case SWM_S_DISABLE_BORDER:
7335                 disable_border = atoi(value);
7336                 break;
7337         case SWM_S_FOCUS_CLOSE:
7338                 if (strcmp(value, "first") == 0)
7339                         focus_close = SWM_STACK_BOTTOM;
7340                 else if (strcmp(value, "last") == 0)
7341                         focus_close = SWM_STACK_TOP;
7342                 else if (strcmp(value, "next") == 0)
7343                         focus_close = SWM_STACK_ABOVE;
7344                 else if (strcmp(value, "previous") == 0)
7345                         focus_close = SWM_STACK_BELOW;
7346                 else
7347                         errx(1, "focus_close");
7348                 break;
7349         case SWM_S_FOCUS_CLOSE_WRAP:
7350                 focus_close_wrap = atoi(value);
7351                 break;
7352         case SWM_S_FOCUS_DEFAULT:
7353                 if (strcmp(value, "last") == 0)
7354                         focus_default = SWM_STACK_TOP;
7355                 else if (strcmp(value, "first") == 0)
7356                         focus_default = SWM_STACK_BOTTOM;
7357                 else
7358                         errx(1, "focus_default");
7359                 break;
7360         case SWM_S_FOCUS_MODE:
7361                 if (strcmp(value, "default") == 0)
7362                         focus_mode = SWM_FOCUS_DEFAULT;
7363                 else if (strcmp(value, "follow") == 0 ||
7364                     strcmp(value, "follow_cursor") == 0)
7365                         focus_mode = SWM_FOCUS_FOLLOW;
7366                 else if (strcmp(value, "manual") == 0)
7367                         focus_mode = SWM_FOCUS_MANUAL;
7368                 else
7369                         errx(1, "focus_mode");
7370                 break;
7371         case SWM_S_ICONIC_ENABLED:
7372                 iconic_enabled = atoi(value);
7373                 break;
7374         case SWM_S_REGION_PADDING:
7375                 region_padding = atoi(value);
7376                 if (region_padding < 0)
7377                         region_padding = 0;
7378                 break;
7379         case SWM_S_SPAWN_ORDER:
7380                 if (strcmp(value, "first") == 0)
7381                         spawn_position = SWM_STACK_BOTTOM;
7382                 else if (strcmp(value, "last") == 0)
7383                         spawn_position = SWM_STACK_TOP;
7384                 else if (strcmp(value, "next") == 0)
7385                         spawn_position = SWM_STACK_ABOVE;
7386                 else if (strcmp(value, "previous") == 0)
7387                         spawn_position = SWM_STACK_BELOW;
7388                 else
7389                         errx(1, "spawn_position");
7390                 break;
7391         case SWM_S_SPAWN_TERM:
7392                 setconfspawn("term", value, 0);
7393                 setconfspawn("spawn_term", value, 0);
7394                 break;
7395         case SWM_S_SS_APP:
7396                 /* No longer needed; leave to not break old conf files. */
7397                 break;
7398         case SWM_S_SS_ENABLED:
7399                 /* No longer needed; leave to not break old conf files. */
7400                 break;
7401         case SWM_S_STACK_ENABLED:
7402                 stack_enabled = atoi(value);
7403                 break;
7404         case SWM_S_TERM_WIDTH:
7405                 term_width = atoi(value);
7406                 if (term_width < 0)
7407                         term_width = 0;
7408                 break;
7409         case SWM_S_TILE_GAP:
7410                 tile_gap = atoi(value);
7411                 break;
7412         case SWM_S_URGENT_ENABLED:
7413                 urgent_enabled = atoi(value);
7414                 break;
7415         case SWM_S_VERBOSE_LAYOUT:
7416                 verbose_layout = atoi(value);
7417                 for (i = 0; layouts[i].l_stack != NULL; i++) {
7418                         if (verbose_layout)
7419                                 layouts[i].l_string = fancy_stacker;
7420                         else
7421                                 layouts[i].l_string = plain_stacker;
7422                 }
7423                 break;
7424         case SWM_S_WINDOW_CLASS_ENABLED:
7425                 window_class_enabled = atoi(value);
7426                 break;
7427         case SWM_S_WINDOW_INSTANCE_ENABLED:
7428                 window_instance_enabled = atoi(value);
7429                 break;
7430         case SWM_S_WINDOW_NAME_ENABLED:
7431                 window_name_enabled = atoi(value);
7432                 break;
7433         case SWM_S_WORKSPACE_LIMIT:
7434                 workspace_limit = atoi(value);
7435                 if (workspace_limit > SWM_WS_MAX)
7436                         workspace_limit = SWM_WS_MAX;
7437                 else if (workspace_limit < 1)
7438                         workspace_limit = 1;
7439                 break;
7440         default:
7441                 return (1);
7442         }
7443         return (0);
7444 }
7445
7446 int
7447 setconfmodkey(const char *selector, const char *value, int flags)
7448 {
7449         /* suppress unused warnings since vars are needed */
7450         (void)selector;
7451         (void)flags;
7452
7453         if (strncasecmp(value, "Mod1", strlen("Mod1")) == 0)
7454                 update_modkey(XCB_MOD_MASK_1);
7455         else if (strncasecmp(value, "Mod2", strlen("Mod2")) == 0)
7456                 update_modkey(XCB_MOD_MASK_2);
7457         else if (strncasecmp(value, "Mod3", strlen("Mod3")) == 0)
7458                 update_modkey(XCB_MOD_MASK_3);
7459         else if (strncasecmp(value, "Mod4", strlen("Mod4")) == 0)
7460                 update_modkey(XCB_MOD_MASK_4);
7461         else
7462                 return (1);
7463         return (0);
7464 }
7465
7466 int
7467 setconfcolor(const char *selector, const char *value, int flags)
7468 {
7469         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
7470         return (0);
7471 }
7472
7473 int
7474 setconfregion(const char *selector, const char *value, int flags)
7475 {
7476         /* suppress unused warnings since vars are needed */
7477         (void)selector;
7478         (void)flags;
7479
7480         custom_region(value);
7481         return (0);
7482 }
7483
7484 int
7485 setautorun(const char *selector, const char *value, int flags)
7486 {
7487         int                     ws_id;
7488         char                    s[1024];
7489         char                    *ap, *sp;
7490         union arg               a;
7491         int                     argc = 0;
7492         pid_t                   pid;
7493         struct pid_e            *p;
7494
7495         /* suppress unused warnings since vars are needed */
7496         (void)selector;
7497         (void)flags;
7498
7499         if (getenv("SWM_STARTED"))
7500                 return (0);
7501
7502         bzero(s, sizeof s);
7503         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
7504                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
7505         ws_id--;
7506         if (ws_id < 0 || ws_id >= workspace_limit)
7507                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
7508
7509         sp = expand_tilde((char *)&s);
7510
7511         /*
7512          * This is a little intricate
7513          *
7514          * If the pid already exists we simply reuse it because it means it was
7515          * used before AND not claimed by manage_window.  We get away with
7516          * altering it in the parent after INSERT because this can not be a race
7517          */
7518         a.argv = NULL;
7519         while ((ap = strsep(&sp, " \t")) != NULL) {
7520                 if (*ap == '\0')
7521                         continue;
7522                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
7523                 argc++;
7524                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
7525                         err(1, "setautorun: realloc");
7526                 a.argv[argc - 1] = ap;
7527         }
7528         free(sp);
7529
7530         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
7531                 err(1, "setautorun: realloc");
7532         a.argv[argc] = NULL;
7533
7534         if ((pid = fork()) == 0) {
7535                 spawn(ws_id, &a, 1);
7536                 /* NOTREACHED */
7537                 _exit(1);
7538         }
7539         free(a.argv);
7540
7541         /* parent */
7542         p = find_pid(pid);
7543         if (p == NULL) {
7544                 p = calloc(1, sizeof *p);
7545                 if (p == NULL)
7546                         return (1);
7547                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
7548         }
7549
7550         p->pid = pid;
7551         p->ws = ws_id;
7552
7553         return (0);
7554 }
7555
7556 int
7557 setlayout(const char *selector, const char *value, int flags)
7558 {
7559         int                     ws_id, i, x, mg, ma, si, ar, f = 0;
7560         int                     st = SWM_V_STACK, num_screens;
7561         char                    s[1024];
7562         struct workspace        *ws;
7563
7564         /* suppress unused warnings since vars are needed */
7565         (void)selector;
7566         (void)flags;
7567
7568         if (getenv("SWM_STARTED"))
7569                 return (0);
7570
7571         bzero(s, sizeof s);
7572         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
7573             &ws_id, &mg, &ma, &si, &ar, s) != 6)
7574                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
7575                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
7576                     "<type>'");
7577         ws_id--;
7578         if (ws_id < 0 || ws_id >= workspace_limit)
7579                 errx(1, "layout: invalid workspace %d", ws_id + 1);
7580
7581         if (strcasecmp(s, "vertical") == 0)
7582                 st = SWM_V_STACK;
7583         else if (strcasecmp(s, "vertical_flip") == 0) {
7584                 st = SWM_V_STACK;
7585                 f = 1;
7586         } else if (strcasecmp(s, "horizontal") == 0)
7587                 st = SWM_H_STACK;
7588         else if (strcasecmp(s, "horizontal_flip") == 0) {
7589                 st = SWM_H_STACK;
7590                 f = 1;
7591         } else if (strcasecmp(s, "fullscreen") == 0)
7592                 st = SWM_MAX_STACK;
7593         else
7594                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
7595                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
7596                     "<type>'");
7597
7598         num_screens = get_screen_count();
7599         for (i = 0; i < num_screens; i++) {
7600                 ws = (struct workspace *)&screens[i].ws;
7601                 ws[ws_id].cur_layout = &layouts[st];
7602
7603                 ws[ws_id].always_raise = ar;
7604                 if (st == SWM_MAX_STACK)
7605                         continue;
7606
7607                 /* master grow */
7608                 for (x = 0; x < abs(mg); x++) {
7609                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7610                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
7611                             SWM_ARG_ID_MASTERSHRINK);
7612                         stack();
7613                 }
7614                 /* master add */
7615                 for (x = 0; x < abs(ma); x++) {
7616                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7617                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
7618                             SWM_ARG_ID_MASTERDEL);
7619                         stack();
7620                 }
7621                 /* stack inc */
7622                 for (x = 0; x < abs(si); x++) {
7623                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7624                             si >= 0 ?  SWM_ARG_ID_STACKINC :
7625                             SWM_ARG_ID_STACKDEC);
7626                         stack();
7627                 }
7628                 /* Apply flip */
7629                 if (f) {
7630                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7631                             SWM_ARG_ID_FLIPLAYOUT);
7632                         stack();
7633                 }
7634         }
7635
7636         focus_flush();
7637
7638         return (0);
7639 }
7640
7641 /* config options */
7642 struct config_option {
7643         char                    *optname;
7644         int                     (*func)(const char*, const char*, int);
7645         int                     funcflags;
7646 };
7647 struct config_option configopt[] = {
7648         { "autorun",                    setautorun,     0 },
7649         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
7650         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
7651         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
7652         { "bar_border_unfocus",         setconfcolor,   SWM_S_COLOR_BAR_BORDER_UNFOCUS },
7653         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
7654         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
7655         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
7656         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
7657         { "bar_enabled_ws",             setconfvalue,   SWM_S_BAR_ENABLED_WS },
7658         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
7659         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
7660         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
7661         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
7662         { "bind",                       setconfbinding, 0 },
7663         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
7664         { "boundary_width",             setconfvalue,   SWM_S_BOUNDARY_WIDTH },
7665         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
7666         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
7667         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
7668         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
7669         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
7670         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
7671         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
7672         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
7673         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
7674         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
7675         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
7676         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
7677         { "iconic_enabled",             setconfvalue,   SWM_S_ICONIC_ENABLED },
7678         { "keyboard_mapping",           setkeymapping,  0 },
7679         { "layout",                     setlayout,      0 },
7680         { "modkey",                     setconfmodkey,  0 },
7681         { "program",                    setconfspawn,   0 },
7682         { "quirk",                      setconfquirk,   0 },
7683         { "region",                     setconfregion,  0 },
7684         { "region_padding",             setconfvalue,   SWM_S_REGION_PADDING },
7685         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
7686         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
7687         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
7688         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
7689         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
7690         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
7691         { "tile_gap",                   setconfvalue,   SWM_S_TILE_GAP },
7692         { "title_class_enabled",        setconfvalue,   SWM_S_WINDOW_CLASS_ENABLED }, /* For backwards compat. */
7693         { "title_name_enabled",         setconfvalue,   SWM_S_WINDOW_INSTANCE_ENABLED }, /* For backwards compat. */
7694         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
7695         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
7696         { "window_class_enabled",       setconfvalue,   SWM_S_WINDOW_CLASS_ENABLED },
7697         { "window_instance_enabled",    setconfvalue,   SWM_S_WINDOW_INSTANCE_ENABLED },
7698         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
7699         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
7700 };
7701
7702 void
7703 _add_startup_exception(const char *fmt, va_list ap)
7704 {
7705         if (vasprintf(&startup_exception, fmt, ap) == -1)
7706                 warn("%s: asprintf", __func__);
7707 }
7708
7709 void
7710 add_startup_exception(const char *fmt, ...)
7711 {
7712         va_list ap;
7713
7714         nr_exceptions++;
7715
7716         if (startup_exception)
7717                 return;
7718
7719         /* force bar to be enabled due to exception */
7720         bar_enabled = 1;
7721
7722         va_start(ap, fmt);
7723         _add_startup_exception(fmt, ap);
7724         va_end(ap);
7725 }
7726
7727 int
7728 conf_load(const char *filename, int keymapping)
7729 {
7730         FILE                    *config;
7731         char                    *line = NULL, *cp, *ce, *optsub, *optval = NULL;
7732         size_t                  linelen, lineno = 0;
7733         int                     wordlen, i, optidx, count;
7734         struct config_option    *opt = NULL;
7735
7736         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
7737
7738         if (filename == NULL) {
7739                 warnx("conf_load: no filename");
7740                 return (1);
7741         }
7742
7743         DNPRINTF(SWM_D_CONF, "conf_load: open %s\n", filename);
7744
7745         if ((config = fopen(filename, "r")) == NULL) {
7746                 warn("conf_load: fopen: %s", filename);
7747                 return (1);
7748         }
7749
7750         while (!feof(config)) {
7751                 if (line)
7752                         free(line);
7753
7754                 if ((line = fparseln(config, &linelen, &lineno, NULL,
7755                     FPARSELN_UNESCCOMM | FPARSELN_UNESCCONT)) == NULL) {
7756                         if (ferror(config))
7757                                 err(1, "%s", filename);
7758                         else
7759                                 continue;
7760                 }
7761                 cp = line;
7762                 cp += strspn(cp, " \t\n"); /* eat whitespace */
7763                 if (cp[0] == '\0') {
7764                         /* empty line */
7765                         continue;
7766                 }
7767                 /* get config option */
7768                 wordlen = strcspn(cp, "=[ \t\n");
7769                 if (wordlen == 0) {
7770                         add_startup_exception("%s: line %zd: no option found",
7771                             filename, lineno);
7772                         continue;
7773                 }
7774                 optidx = -1;
7775                 for (i = 0; i < LENGTH(configopt); i++) {
7776                         opt = &configopt[i];
7777                         if (strncasecmp(cp, opt->optname, wordlen) == 0 &&
7778                             (int)strlen(opt->optname) == wordlen) {
7779                                 optidx = i;
7780                                 break;
7781                         }
7782                 }
7783                 if (optidx == -1) {
7784                         add_startup_exception("%s: line %zd: unknown option "
7785                             "%.*s", filename, lineno, wordlen, cp);
7786                         continue;
7787                 }
7788                 if (keymapping && opt && strcmp(opt->optname, "bind")) {
7789                         add_startup_exception("%s: line %zd: invalid option "
7790                             "%.*s", filename, lineno, wordlen, cp);
7791                         continue;
7792                 }
7793                 cp += wordlen;
7794                 cp += strspn(cp, " \t\n"); /* eat whitespace */
7795
7796                 /* get [selector] if any */
7797                 optsub = NULL;
7798                 count = 0;
7799                 if (*cp == '[') {
7800                         ++count;
7801                         /* Get length of selector. */
7802                         for (ce = ++cp; *ce != '\0'; ++ce) {
7803                                 /* Find matching (not escaped) bracket. */
7804                                 if (*ce == ']' && *(ce - 1) != '\\') {
7805                                         --count;
7806                                         break;
7807                                 }
7808                         }
7809
7810                         if (count > 0) {
7811                                 add_startup_exception("%s: line %zd: syntax "
7812                                     "error: unterminated selector", filename,
7813                                     lineno);
7814                                 continue;
7815                         }
7816
7817                         /* ce points at ']'; terminate optsub. */
7818                         *ce = '\0';
7819                         optsub = cp;
7820                         cp = ce + 1;
7821                 }
7822                 cp += strspn(cp, "= \t\n"); /* eat trailing */
7823                 /* get RHS value */
7824                 optval = cp;
7825                 if (strlen(optval) == 0) {
7826                         add_startup_exception("%s: line %zd: must supply value "
7827                             "to %s", filename, lineno,
7828                             configopt[optidx].optname);
7829                         continue;
7830                 }
7831                 /* call function to deal with it all */
7832                 if (configopt[optidx].func(optsub, optval,
7833                     configopt[optidx].funcflags) != 0) {
7834                         add_startup_exception("%s: line %zd: invalid data for "
7835                             "%s", filename, lineno, configopt[optidx].optname);
7836                         continue;
7837                 }
7838         }
7839
7840         if (line)
7841                 free(line);
7842         fclose(config);
7843         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
7844
7845         return (0);
7846 }
7847
7848 void
7849 set_child_transient(struct ws_win *win, xcb_window_t *trans)
7850 {
7851         struct ws_win           *parent, *w;
7852         struct swm_region       *r;
7853         struct workspace        *ws;
7854         xcb_icccm_wm_hints_t    wmh;
7855
7856         parent = find_window(win->transient);
7857         if (parent)
7858                 parent->focus_child = win;
7859         else {
7860                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
7861                     " for 0x%x trans 0x%x\n", win->id, win->transient);
7862
7863                 r = root_to_region(win->s->root, SWM_CK_ALL);
7864                 ws = r->ws;
7865                 /* parent doen't exist in our window list */
7866                 TAILQ_FOREACH(w, &ws->winlist, entry) {
7867                         if (xcb_icccm_get_wm_hints_reply(conn,
7868                             xcb_icccm_get_wm_hints(conn, w->id),
7869                             &wmh, NULL) != 1) {
7870                                 warnx("can't get hints for 0x%x", w->id);
7871                                 continue;
7872                         }
7873
7874                         if (win->hints.window_group != wmh.window_group)
7875                                 continue;
7876
7877                         w->focus_child = win;
7878                         win->transient = w->id;
7879                         *trans = w->id;
7880                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
7881                             "transient to 0x%x\n", win->transient);
7882                         break;
7883                 }
7884         }
7885 }
7886
7887 pid_t
7888 window_get_pid(xcb_window_t win)
7889 {
7890         pid_t                           ret = 0;
7891         const char                      *errstr;
7892         xcb_atom_t                      apid;
7893         xcb_get_property_cookie_t       pc;
7894         xcb_get_property_reply_t        *pr;
7895
7896         apid = get_atom_from_string("_NET_WM_PID");
7897         if (apid == XCB_ATOM_NONE)
7898                 goto tryharder;
7899
7900         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
7901         pr = xcb_get_property_reply(conn, pc, NULL);
7902         if (pr == NULL)
7903                 goto tryharder;
7904         if (pr->type != XCB_ATOM_CARDINAL) {
7905                 free(pr);
7906                 goto tryharder;
7907         }
7908
7909         if (pr->type == apid && pr->format == 32)
7910                 ret = *((pid_t *)xcb_get_property_value(pr));
7911         free(pr);
7912
7913         return (ret);
7914
7915 tryharder:
7916         apid = get_atom_from_string("_SWM_PID");
7917         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
7918             0, SWM_PROPLEN);
7919         pr = xcb_get_property_reply(conn, pc, NULL);
7920         if (pr == NULL)
7921                 return (0);
7922         if (pr->type != apid) {
7923                 free(pr);
7924                 return (0);
7925         }
7926
7927         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
7928         free(pr);
7929
7930         return (ret);
7931 }
7932
7933 int
7934 get_ws_idx(xcb_window_t id)
7935 {
7936         int                     ws_idx = -1;
7937         char                    *prop = NULL;
7938         size_t                  proplen;
7939         const char              *errstr;
7940         xcb_get_property_reply_t        *gpr;
7941
7942         gpr = xcb_get_property_reply(conn,
7943                 xcb_get_property(conn, 0, id, a_swm_ws,
7944                     XCB_ATOM_STRING, 0, SWM_PROPLEN),
7945                 NULL);
7946         if (gpr == NULL)
7947                 return (-1);
7948         if (gpr->type) {
7949                 proplen = xcb_get_property_value_length(gpr);
7950                 if (proplen > 0) {
7951                         prop = malloc(proplen + 1);
7952                         if (prop) {
7953                                 memcpy(prop,
7954                                     xcb_get_property_value(gpr),
7955                                     proplen);
7956                                 prop[proplen] = '\0';
7957                         }
7958                 }
7959         }
7960         free(gpr);
7961
7962         if (prop) {
7963                 DNPRINTF(SWM_D_PROP, "get_ws_idx: _SWM_WS: %s\n", prop);
7964                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1, &errstr);
7965                 if (errstr) {
7966                         DNPRINTF(SWM_D_PROP, "get_ws_idx: window: #%s: %s",
7967                             errstr, prop);
7968                 }
7969                 free(prop);
7970         }
7971
7972         return ws_idx;
7973 }
7974
7975 struct ws_win *
7976 manage_window(xcb_window_t id, uint16_t mapped)
7977 {
7978         xcb_window_t            trans = XCB_WINDOW_NONE;
7979         struct ws_win           *win, *ww;
7980         int                     ws_idx;
7981         char                    ws_idx_str[SWM_PROPLEN];
7982         char                    *name;
7983         struct swm_region       *r;
7984         struct pid_e            *p;
7985         struct quirk            *qp;
7986         uint32_t                i, wa[2];
7987         xcb_get_geometry_reply_t        *gr;
7988
7989         if ((win = find_window(id)) != NULL) {
7990                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x already "
7991                     "managed; skipping.)\n", id);
7992                 return (win);   /* Already managed. */
7993         }
7994
7995         /* See if window is on the unmanaged list. */
7996         if ((win = find_unmanaged_window(id)) != NULL) {
7997                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x found on "
7998                     "unmanaged list.\n", id);
7999                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
8000
8001                 if (win->transient)
8002                         set_child_transient(win, &trans);
8003
8004                 goto out;
8005         } else {
8006                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x is new.\n", id);
8007         }
8008
8009         /* Try to get initial window geometry. */
8010         gr = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, id), NULL);
8011         if (gr == NULL) {
8012                 DNPRINTF(SWM_D_MISC, "manage_window: get geometry failed.\n");
8013                 return (NULL);
8014         }
8015
8016         /* Create and initialize ws_win object. */
8017         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
8018                 err(1, "manage_window: calloc: failed to allocate memory for "
8019                     "new window");
8020
8021         win->id = id;
8022
8023         /* Figureout which region the window belongs to. */
8024         r = root_to_region(gr->root, SWM_CK_ALL);
8025
8026         /* Ignore window border if there is one. */
8027         WIDTH(win) = gr->width;
8028         HEIGHT(win) = gr->height;
8029         X(win) = gr->x + gr->border_width - border_width;
8030         Y(win) = gr->y + gr->border_width - border_width;
8031         win->bordered = 1;
8032         win->mapped = mapped;
8033         win->floatmaxed = 0;
8034         win->ewmh_flags = 0;
8035         win->s = r->s;  /* this never changes */
8036
8037         free(gr);
8038
8039         /* Select which X events to monitor and set border pixel color. */
8040         wa[0] = win->s->c[SWM_S_COLOR_UNFOCUS].pixel;
8041         wa[1] = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_PROPERTY_CHANGE |
8042             XCB_EVENT_MASK_STRUCTURE_NOTIFY;
8043 #ifdef SWM_DEBUG
8044         wa[1] |= XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE;
8045 #endif
8046
8047         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL |
8048             XCB_CW_EVENT_MASK, wa);
8049
8050         /* Get WM_SIZE_HINTS. */
8051         xcb_icccm_get_wm_normal_hints_reply(conn,
8052             xcb_icccm_get_wm_normal_hints(conn, win->id),
8053             &win->sh, NULL);
8054
8055         /* Get WM_HINTS. */
8056         xcb_icccm_get_wm_hints_reply(conn,
8057             xcb_icccm_get_wm_hints(conn, win->id),
8058             &win->hints, NULL);
8059
8060         /* Get WM_TRANSIENT_FOR; see if window is a transient. */
8061         xcb_icccm_get_wm_transient_for_reply(conn,
8062             xcb_icccm_get_wm_transient_for(conn, win->id),
8063             &trans, NULL);
8064         if (trans) {
8065                 win->transient = trans;
8066                 set_child_transient(win, &win->transient);
8067         }
8068
8069         /* Get WM_PROTOCOLS. */
8070         get_wm_protocols(win);
8071
8072         win->iconic = get_swm_iconic(win);
8073
8074         /* Figure out which workspace the window belongs to. */
8075         if ((p = find_pid(window_get_pid(win->id))) != NULL) {
8076                 win->ws = &r->s->ws[p->ws];
8077                 TAILQ_REMOVE(&pidlist, p, entry);
8078                 free(p);
8079                 p = NULL;
8080         } else if ((ws_idx = get_ws_idx(win->id)) != -1 &&
8081             !win->transient) {
8082                 /* _SWM_WS is set; use that. */
8083                 win->ws = &r->s->ws[ws_idx];
8084         } else if (trans && (ww = find_window(trans)) != NULL) {
8085                 /* Launch transients in the same ws as parent. */
8086                 win->ws = ww->ws;
8087         } else {
8088                 win->ws = r->ws;
8089         }
8090
8091         /* Set the _SWM_WS atom so we can remember this after reincarnation. */
8092         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", win->ws->idx) <
8093             SWM_PROPLEN) {
8094                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
8095                     ws_idx_str);
8096                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
8097                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
8098                     ws_idx_str);
8099         }
8100
8101         /* WS must already be set for this to work. */
8102         store_float_geom(win);
8103
8104         /* Handle EWMH */
8105         ewmh_autoquirk(win);
8106
8107         /* Determine initial quirks. */
8108         if (xcb_icccm_get_wm_class_reply(conn,
8109             xcb_icccm_get_wm_class(conn, win->id),
8110             &win->ch, NULL)) {
8111                 name = get_win_name(win->id);
8112
8113                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, instance: %s, "
8114                     "name: %s\n",
8115                     win->ch.class_name, win->ch.instance_name, name);
8116
8117                 /* java is retarded so treat it special */
8118                 if (strstr(win->ch.instance_name, "sun-awt")) {
8119                         DNPRINTF(SWM_D_CLASS, "manage_window: java window "
8120                             "detected.\n");
8121                         win->java = 1;
8122                 }
8123
8124                 TAILQ_FOREACH(qp, &quirks, entry) {
8125                         if (regexec(&qp->regex_class, win->ch.class_name, 0,
8126                             NULL, 0) == 0 && regexec(&qp->regex_instance,
8127                             win->ch.instance_name, 0, NULL, 0) == 0 &&
8128                             regexec(&qp->regex_name, name, 0, NULL, 0) == 0) {
8129                                 DNPRINTF(SWM_D_CLASS, "manage_window: matched "
8130                                     "quirk: %s:%s:%s mask: %#lx\n", qp->class,
8131                                     qp->instance, qp->name, qp->quirk);
8132                                 if (qp->quirk & SWM_Q_FLOAT)
8133                                         win->floating = 1;
8134                                 win->quirks = qp->quirk;
8135                         }
8136
8137                 }
8138
8139                 free(name);
8140         }
8141
8142         /* Alter window position if quirky */
8143         if (win->quirks & SWM_Q_ANYWHERE)
8144                 win->manual = 1;
8145
8146         /* Reset font sizes (the bruteforce way; no default keybinding). */
8147         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
8148                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
8149                         fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
8150                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
8151                         fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
8152         }
8153
8154         /* Make sure window is positioned inside its region, if its active. */
8155         if (win->ws->r) {
8156                 region_containment(win, r, SWM_CW_ALLSIDES |
8157                     SWM_CW_HARDBOUNDARY);
8158                 update_window(win);
8159         }
8160
8161 out:
8162         /* Figure out where to stack the window in the workspace. */
8163         if (trans && (ww = find_window(trans)))
8164                 TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
8165         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
8166                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
8167                     entry);
8168         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
8169                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
8170         else switch (spawn_position) {
8171         default:
8172         case SWM_STACK_TOP:
8173         case SWM_STACK_ABOVE:
8174                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
8175                 break;
8176         case SWM_STACK_BOTTOM:
8177         case SWM_STACK_BELOW:
8178                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
8179         }
8180
8181         /* Get initial _NET_WM_STATE */
8182         ewmh_get_win_state(win);
8183         /* Set initial _NET_WM_ALLOWED_ACTIONS */
8184         ewmh_update_actions(win);
8185
8186         grabbuttons(win);
8187
8188         DNPRINTF(SWM_D_MISC, "manage_window: done. window: 0x%x, (x,y) w x h: "
8189             "(%d,%d) %d x %d, ws: %d, iconic: %s, transient: 0x%x\n", win->id,
8190             X(win), Y(win), WIDTH(win), HEIGHT(win), win->ws->idx,
8191             YESNO(win->iconic), win->transient);
8192
8193         return (win);
8194 }
8195
8196 void
8197 free_window(struct ws_win *win)
8198 {
8199         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
8200
8201         if (win == NULL)
8202                 return;
8203
8204         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
8205
8206         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
8207
8208         kill_refs(win);
8209
8210         /* paint memory */
8211         memset(win, 0xff, sizeof *win); /* XXX kill later */
8212
8213         free(win);
8214         DNPRINTF(SWM_D_MISC, "free_window: done.\n");
8215 }
8216
8217 void
8218 unmanage_window(struct ws_win *win)
8219 {
8220         struct ws_win           *parent;
8221
8222         if (win == NULL)
8223                 return;
8224
8225         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
8226
8227         if (win->transient) {
8228                 parent = find_window(win->transient);
8229                 if (parent)
8230                         parent->focus_child = NULL;
8231         }
8232
8233         TAILQ_REMOVE(&win->ws->winlist, win, entry);
8234         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
8235 }
8236
8237 void
8238 expose(xcb_expose_event_t *e)
8239 {
8240         int                     i, num_screens;
8241         struct swm_region       *r;
8242
8243         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
8244
8245         num_screens = get_screen_count();
8246         for (i = 0; i < num_screens; i++)
8247                 TAILQ_FOREACH(r, &screens[i].rl, entry)
8248                         if (e->window == WINID(r->bar))
8249                                 bar_draw();
8250
8251         xcb_flush(conn);
8252 }
8253
8254 #ifdef SWM_DEBUG
8255 void
8256 focusin(xcb_focus_in_event_t *e)
8257 {
8258         DNPRINTF(SWM_D_EVENT, "focusin: window: 0x%x, mode: %s(%u), "
8259             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
8260             e->mode, get_notify_detail_label(e->detail), e->detail);
8261 }
8262
8263 void
8264 focusout(xcb_focus_out_event_t *e)
8265 {
8266         DNPRINTF(SWM_D_EVENT, "focusout: window: 0x%x, mode: %s(%u), "
8267             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
8268             e->mode, get_notify_detail_label(e->detail), e->detail);
8269 }
8270 #endif
8271
8272 void
8273 keypress(xcb_key_press_event_t *e)
8274 {
8275         xcb_keysym_t            keysym;
8276         struct key              *kp;
8277
8278         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
8279
8280         DNPRINTF(SWM_D_EVENT, "keypress: keysym: %u, win (x,y): 0x%x (%d,%d), "
8281             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
8282             "state: %u, same_screen: %s\n", keysym, e->event, e->event_x,
8283             e->event_y, e->detail, e->time, e->root, e->root_x, e->root_y,
8284             e->child, e->state, YESNO(e->same_screen));
8285
8286         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
8287                 goto out;
8288
8289         last_event_time = e->time;
8290
8291         if (kp->funcid == KF_SPAWN_CUSTOM)
8292                 spawn_custom(root_to_region(e->root, SWM_CK_ALL),
8293                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
8294         else if (keyfuncs[kp->funcid].func)
8295                 keyfuncs[kp->funcid].func(root_to_region(e->root, SWM_CK_ALL),
8296                     &(keyfuncs[kp->funcid].args));
8297
8298 out:
8299         /* Unfreeze grab events. */
8300         xcb_allow_events(conn, XCB_ALLOW_ASYNC_KEYBOARD, e->time);
8301         xcb_flush(conn);
8302
8303         DNPRINTF(SWM_D_EVENT, "keypress: done.\n");
8304 }
8305
8306 void
8307 buttonpress(xcb_button_press_event_t *e)
8308 {
8309         struct ws_win           *win = NULL;
8310         struct swm_region       *r, *old_r;
8311         int                     i;
8312         int                     handled = 0;
8313
8314         DNPRINTF(SWM_D_EVENT, "buttonpress: win (x,y): 0x%x (%d,%d), "
8315             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
8316             "state: %u, same_screen: %s\n", e->event, e->event_x, e->event_y,
8317             e->detail, e->time, e->root, e->root_x, e->root_y, e->child,
8318             e->state, YESNO(e->same_screen));
8319
8320         if (e->event == e->root) {
8321                 if (e->child != 0) {
8322                         win = find_window(e->child);
8323                         /* Pass ButtonPress to window if it isn't managed. */
8324                         if (win == NULL)
8325                                 goto out;
8326                 } else {
8327                         /* Focus on empty region */
8328                         /* If no windows on region if its empty. */
8329                         r = root_to_region(e->root, SWM_CK_POINTER);
8330                         if (r == NULL) {
8331                                 DNPRINTF(SWM_D_EVENT, "buttonpress: "
8332                                     "NULL region; ignoring.\n");
8333                                 goto out;
8334                         }
8335
8336                         if (TAILQ_EMPTY(&r->ws->winlist)) {
8337                                 old_r = root_to_region(e->root, SWM_CK_FOCUS);
8338                                 if (old_r && old_r != r)
8339                                         unfocus_win(old_r->ws->focus);
8340
8341                                 xcb_set_input_focus(conn,
8342                                     XCB_INPUT_FOCUS_PARENT, e->root, e->time);
8343
8344                                 /* Clear bar since empty. */
8345                                 bar_draw();
8346
8347                                 handled = 1;
8348                                 goto out;
8349                         }
8350                 }
8351         } else {
8352                 win = find_window(e->event);
8353         }
8354
8355         if (win == NULL)
8356                 goto out;
8357
8358         last_event_time = e->time;
8359
8360         focus_win(get_focus_magic(win));
8361
8362         for (i = 0; i < LENGTH(buttons); i++)
8363                 if (client_click == buttons[i].action && buttons[i].func &&
8364                     buttons[i].button == e->detail &&
8365                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state)) {
8366                         buttons[i].func(win, &buttons[i].args);
8367                         handled = 1;
8368                 }
8369
8370 out:
8371         if (!handled) {
8372                 DNPRINTF(SWM_D_EVENT, "buttonpress: passing to window.\n");
8373                 /* Replay event to event window */
8374                 xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, e->time);
8375         } else {
8376                 DNPRINTF(SWM_D_EVENT, "buttonpress: handled.\n");
8377                 /* Unfreeze grab events. */
8378                 xcb_allow_events(conn, XCB_ALLOW_SYNC_POINTER, e->time);
8379         }
8380
8381         xcb_flush(conn);
8382 }
8383
8384 #ifdef SWM_DEBUG
8385 void
8386 print_win_geom(xcb_window_t w)
8387 {
8388         xcb_get_geometry_reply_t        *wa;
8389
8390         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
8391         if (wa == NULL) {
8392                 DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: 0x%x\n",
8393                     w);
8394                 return;
8395         }
8396
8397         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
8398             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
8399             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
8400             wa->border_width);
8401
8402         free(wa);
8403 }
8404 #endif
8405
8406 #ifdef SWM_DEBUG
8407 char *
8408 get_stack_mode_name(uint8_t mode)
8409 {
8410         char    *name;
8411
8412         switch(mode) {
8413         case XCB_STACK_MODE_ABOVE:
8414                 name = "Above";
8415                 break;
8416         case XCB_STACK_MODE_BELOW:
8417                 name = "Below";
8418                 break;
8419         case XCB_STACK_MODE_TOP_IF:
8420                 name = "TopIf";
8421                 break;
8422         case XCB_STACK_MODE_BOTTOM_IF:
8423                 name = "BottomIf";
8424                 break;
8425         case XCB_STACK_MODE_OPPOSITE:
8426                 name = "Opposite";
8427                 break;
8428         default:
8429                 name = "Unknown";
8430         }
8431
8432         return name;
8433 }
8434 #endif
8435
8436 void
8437 configurerequest(xcb_configure_request_event_t *e)
8438 {
8439         struct ws_win           *win;
8440         struct swm_region       *r = NULL;
8441         int                     new = 0, i = 0;
8442         uint16_t                mask = 0;
8443         uint32_t                wc[7] = {0};
8444
8445         if ((win = find_window(e->window)) == NULL)
8446                 if ((win = find_unmanaged_window(e->window)) == NULL)
8447                         new = 1;
8448
8449 #ifdef SWM_DEBUG
8450         if (swm_debug & SWM_D_EVENT) {
8451                 print_win_geom(e->window);
8452
8453                 DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%x, "
8454                     "parent: 0x%x, new: %s, value_mask: %u { ", e->window,
8455                     e->parent, YESNO(new), e->value_mask);
8456                 if (e->value_mask & XCB_CONFIG_WINDOW_X)
8457                         DPRINTF("X: %d ", e->x);
8458                 if (e->value_mask & XCB_CONFIG_WINDOW_Y)
8459                         DPRINTF("Y: %d ", e->y);
8460                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
8461                         DPRINTF("W: %u ", e->width);
8462                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
8463                         DPRINTF("H: %u ", e->height);
8464                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
8465                         DPRINTF("Border: %u ", e->border_width);
8466                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING)
8467                         DPRINTF("Sibling: 0x%x ", e->sibling);
8468                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE)
8469                         DPRINTF("StackMode: %s(%u) ",
8470                             get_stack_mode_name(e->stack_mode), e->stack_mode);
8471                 DPRINTF("}\n");
8472         }
8473 #endif
8474
8475         if (new) {
8476                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
8477                         mask |= XCB_CONFIG_WINDOW_X;
8478                         wc[i++] = e->x;
8479                 }
8480                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
8481                         mask |= XCB_CONFIG_WINDOW_Y;
8482                         wc[i++] = e->y;
8483                 }
8484                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
8485                         mask |= XCB_CONFIG_WINDOW_WIDTH;
8486                         wc[i++] = e->width;
8487                 }
8488                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
8489                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
8490                         wc[i++] = e->height;
8491                 }
8492                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
8493                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
8494                         wc[i++] = e->border_width;
8495                 }
8496                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
8497                         mask |= XCB_CONFIG_WINDOW_SIBLING;
8498                         wc[i++] = e->sibling;
8499                 }
8500                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
8501                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
8502                         wc[i++] = e->stack_mode;
8503                 }
8504
8505                 if (mask != 0) {
8506                         xcb_configure_window(conn, e->window, mask, wc);
8507                         xcb_flush(conn);
8508                 }
8509         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
8510             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
8511                 if (win->ws->r)
8512                         r = win->ws->r;
8513                 else if (win->ws->old_r)
8514                         r = win->ws->old_r;
8515
8516                 /* windows are centered unless ANYWHERE quirk is set. */
8517                 if (win->quirks & SWM_Q_ANYWHERE) {
8518                         if (e->value_mask & XCB_CONFIG_WINDOW_X) {
8519                                 win->g_float.x = e->x;
8520                                 if (r)
8521                                         win->g_float.x -= X(r);
8522                         }
8523
8524                         if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
8525                                 win->g_float.y = e->y;
8526                                 if (r)
8527                                         win->g_float.y -= Y(r);
8528                         }
8529                 }
8530
8531                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
8532                         win->g_float.w = e->width;
8533
8534                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
8535                         win->g_float.h = e->height;
8536
8537                 win->g_floatvalid = 1;
8538
8539                 if (win->floating && r && (win->transient ||
8540                     win->ws->cur_layout != &layouts[SWM_MAX_STACK])) {
8541                         WIDTH(win) = win->g_float.w;
8542                         HEIGHT(win) = win->g_float.h;
8543
8544                         if (r) {
8545                                 stack_floater(win, r);
8546                                 focus_flush();
8547                         }
8548                 } else {
8549                         config_win(win, e);
8550                         xcb_flush(conn);
8551                 }
8552         } else {
8553                 config_win(win, e);
8554                 xcb_flush(conn);
8555         }
8556
8557         DNPRINTF(SWM_D_EVENT, "configurerequest: done.\n");
8558 }
8559
8560 void
8561 configurenotify(xcb_configure_notify_event_t *e)
8562 {
8563         struct ws_win           *win;
8564
8565         DNPRINTF(SWM_D_EVENT, "configurenotify: win 0x%x, event win: 0x%x, "
8566             "(x,y) WxH: (%d,%d) %ux%u, border: %u, above_sibling: 0x%x, "
8567             "override_redirect: %s\n", e->window, e->event, e->x, e->y,
8568             e->width, e->height, e->border_width, e->above_sibling,
8569             YESNO(e->override_redirect));
8570
8571         win = find_window(e->window);
8572         if (win) {
8573                 xcb_icccm_get_wm_normal_hints_reply(conn,
8574                     xcb_icccm_get_wm_normal_hints(conn, win->id),
8575                     &win->sh, NULL);
8576                 adjust_font(win);
8577                 if (font_adjusted) {
8578                         stack();
8579                         xcb_flush(conn);
8580                 }
8581         }
8582 }
8583
8584 void
8585 destroynotify(xcb_destroy_notify_event_t *e)
8586 {
8587         struct ws_win           *win;
8588
8589         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
8590
8591         if ((win = find_window(e->window)) == NULL) {
8592                 if ((win = find_unmanaged_window(e->window)) == NULL)
8593                         return;
8594                 free_window(win);
8595                 return;
8596         }
8597
8598         if (focus_mode != SWM_FOCUS_FOLLOW) {
8599                 /* If we were focused, make sure we focus on something else. */
8600                 if (win == win->ws->focus)
8601                         win->ws->focus_pending = get_focus_prev(win);
8602         }
8603
8604         unmanage_window(win);
8605         stack();
8606
8607         if (focus_mode != SWM_FOCUS_FOLLOW && WS_FOCUSED(win->ws)) {
8608                 if (win->ws->focus_pending) {
8609                         focus_win(win->ws->focus_pending);
8610                         win->ws->focus_pending = NULL;
8611                 } else if (win == win->ws->focus) {
8612                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
8613                             win->ws->r->id, XCB_CURRENT_TIME);
8614                 }
8615         }
8616
8617         free_window(win);
8618
8619         focus_flush();
8620 }
8621
8622 #ifdef SWM_DEBUG
8623 char *
8624 get_notify_detail_label(uint8_t detail)
8625 {
8626         char *label;
8627
8628         switch (detail) {
8629         case XCB_NOTIFY_DETAIL_ANCESTOR:
8630                 label = "Ancestor";
8631                 break;
8632         case XCB_NOTIFY_DETAIL_VIRTUAL:
8633                 label = "Virtual";
8634                 break;
8635         case XCB_NOTIFY_DETAIL_INFERIOR:
8636                 label = "Inferior";
8637                 break;
8638         case XCB_NOTIFY_DETAIL_NONLINEAR:
8639                 label = "Nonlinear";
8640                 break;
8641         case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
8642                 label = "NonlinearVirtual";
8643                 break;
8644         case XCB_NOTIFY_DETAIL_POINTER:
8645                 label = "Pointer";
8646                 break;
8647         case XCB_NOTIFY_DETAIL_POINTER_ROOT:
8648                 label = "PointerRoot";
8649                 break;
8650         case XCB_NOTIFY_DETAIL_NONE:
8651                 label = "None";
8652                 break;
8653         default:
8654                 label = "Unknown";
8655         }
8656
8657         return label;
8658 }
8659
8660 char *
8661 get_notify_mode_label(uint8_t mode)
8662 {
8663         char *label;
8664
8665         switch (mode) {
8666         case XCB_NOTIFY_MODE_NORMAL:
8667                 label = "Normal";
8668                 break;
8669         case XCB_NOTIFY_MODE_GRAB:
8670                 label = "Grab";
8671                 break;
8672         case XCB_NOTIFY_MODE_UNGRAB:
8673                 label = "Ungrab";
8674                 break;
8675         case XCB_NOTIFY_MODE_WHILE_GRABBED:
8676                 label = "WhileGrabbed";
8677                 break;
8678         default:
8679                 label = "Unknown";
8680         }
8681
8682         return label;
8683 }
8684 #endif
8685
8686 void
8687 enternotify(xcb_enter_notify_event_t *e)
8688 {
8689         struct ws_win           *win;
8690         struct swm_region       *r;
8691
8692         DNPRINTF(SWM_D_FOCUS, "enternotify: time: %u, win (x,y): 0x%x "
8693             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8694             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8695             e->time, e->event, e->event_x, e->event_y,
8696             get_notify_mode_label(e->mode), e->mode,
8697             get_notify_detail_label(e->detail), e->detail,
8698             e->root, e->root_x, e->root_y, e->child,
8699             YESNO(e->same_screen_focus), e->state);
8700
8701         if (focus_mode == SWM_FOCUS_MANUAL &&
8702             e->mode == XCB_NOTIFY_MODE_NORMAL) {
8703                 DNPRINTF(SWM_D_EVENT, "enternotify: manual focus; ignoring.\n");
8704                 return;
8705         }
8706
8707         last_event_time = e->time;
8708
8709         if ((win = find_window(e->event)) == NULL) {
8710                 if (e->event == e->root) {
8711                         /* If no windows on pointer region, then focus root. */
8712                         r = root_to_region(e->root, SWM_CK_POINTER);
8713                         if (r == NULL) {
8714                                 DNPRINTF(SWM_D_EVENT, "enternotify: "
8715                                     "NULL region; ignoring.\n");
8716                                 return;
8717                         }
8718
8719                         focus_region(r);
8720                 } else {
8721                         DNPRINTF(SWM_D_EVENT, "enternotify: window is NULL; "
8722                             "ignoring\n");
8723                         return;
8724                 }
8725         } else {
8726                 focus_win(get_focus_magic(win));
8727         }
8728
8729         xcb_flush(conn);
8730 }
8731
8732 #ifdef SWM_DEBUG
8733 void
8734 leavenotify(xcb_leave_notify_event_t *e)
8735 {
8736         DNPRINTF(SWM_D_FOCUS, "leavenotify: time: %u, win (x,y): 0x%x "
8737             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8738             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8739             e->time, e->event, e->event_x, e->event_y,
8740             get_notify_mode_label(e->mode), e->mode,
8741             get_notify_detail_label(e->detail), e->detail,
8742             e->root, e->root_x, e->root_y, e->child,
8743             YESNO(e->same_screen_focus), e->state);
8744 }
8745 #endif
8746
8747 void
8748 mapnotify(xcb_map_notify_event_t *e)
8749 {
8750         struct ws_win           *win;
8751
8752         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
8753
8754         if ((win = manage_window(e->window, 1)) == NULL)
8755                 return;
8756
8757         win->mapped = 1;
8758         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
8759
8760         if (focus_mode != SWM_FOCUS_FOLLOW && WS_FOCUSED(win->ws)) {
8761                 if (win->ws->focus_pending == win) {
8762                         focus_win(win);
8763                         win->ws->focus_pending = NULL;
8764                         focus_flush();
8765                 }
8766         }
8767
8768         xcb_flush(conn);
8769 }
8770
8771 void
8772 mappingnotify(xcb_mapping_notify_event_t *e)
8773 {
8774         xcb_refresh_keyboard_mapping(syms, e);
8775
8776         if (e->request == XCB_MAPPING_KEYBOARD)
8777                 grabkeys();
8778 }
8779
8780 void
8781 maprequest(xcb_map_request_event_t *e)
8782 {
8783         struct ws_win           *win, *w = NULL;
8784         xcb_get_window_attributes_reply_t *war;
8785
8786         DNPRINTF(SWM_D_EVENT, "maprequest: win 0x%x\n",
8787             e->window);
8788
8789         war = xcb_get_window_attributes_reply(conn,
8790             xcb_get_window_attributes(conn, e->window),
8791             NULL);
8792         if (war == NULL) {
8793                 DNPRINTF(SWM_D_EVENT, "maprequest: window lost.\n");
8794                 goto out;
8795         }
8796
8797         if (war->override_redirect) {
8798                 DNPRINTF(SWM_D_EVENT, "maprequest: override_redirect; "
8799                     "skipping.\n");
8800                 goto out;
8801         }
8802
8803         win = manage_window(e->window,
8804             (war->map_state == XCB_MAP_STATE_VIEWABLE));
8805         if (win == NULL)
8806                 goto out;
8807
8808         /* The new window should get focus; prepare. */
8809         if (focus_mode != SWM_FOCUS_FOLLOW &&
8810             !(win->quirks & SWM_Q_NOFOCUSONMAP) &&
8811             (!(win->hints.flags & XCB_ICCCM_WM_HINT_INPUT) ||
8812              (win->hints.flags & XCB_ICCCM_WM_HINT_INPUT &&
8813               win->hints.input))) {
8814                 if (win->quirks & SWM_Q_FOCUSONMAP_SINGLE) {
8815                         /* See if other wins of same type are already mapped. */
8816                         TAILQ_FOREACH(w, &win->ws->winlist, entry) {
8817                                 if (w == win || !w->mapped)
8818                                         continue;
8819
8820                                 if (w->ch.class_name &&
8821                                     win->ch.class_name &&
8822                                     strcmp(w->ch.class_name,
8823                                     win->ch.class_name) == 0 &&
8824                                     w->ch.instance_name &&
8825                                     win->ch.instance_name &&
8826                                     strcmp(w->ch.instance_name,
8827                                     win->ch.instance_name) == 0)
8828                                         break;
8829                         }
8830                 }
8831
8832                 if (w == NULL)
8833                         win->ws->focus_pending = get_focus_magic(win);
8834         }
8835
8836         /* All windows need to be mapped if they are in the current workspace.*/
8837         if (win->ws->r)
8838                 stack();
8839
8840         /* Ignore EnterNotify to handle the mapnotify without interference. */
8841         if (focus_mode == SWM_FOCUS_DEFAULT)
8842                 event_drain(XCB_ENTER_NOTIFY);
8843 out:
8844         free(war);
8845         DNPRINTF(SWM_D_EVENT, "maprequest: done.\n");
8846 }
8847
8848 void
8849 motionnotify(xcb_motion_notify_event_t *e)
8850 {
8851         struct swm_region       *r;
8852         int                     i, num_screens;
8853
8854         DNPRINTF(SWM_D_FOCUS, "motionnotify: time: %u, win (x,y): 0x%x "
8855             "(%d,%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8856             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8857             e->time, e->event, e->event_x, e->event_y,
8858             get_notify_detail_label(e->detail), e->detail,
8859             e->root, e->root_x, e->root_y, e->child,
8860             YESNO(e->same_screen), e->state);
8861
8862         last_event_time = e->time;
8863
8864         if (focus_mode == SWM_FOCUS_MANUAL)
8865                 return;
8866
8867         num_screens = get_screen_count();
8868         for (i = 0; i < num_screens; i++)
8869                 if (screens[i].root == e->root)
8870                         break;
8871
8872         TAILQ_FOREACH(r, &screens[i].rl, entry)
8873                 if (X(r) <= e->root_x && e->root_x < MAX_X(r) &&
8874                     Y(r) <= e->root_y && e->root_y < MAX_Y(r))
8875                         break;
8876
8877         focus_region(r);
8878 }
8879
8880 #ifdef SWM_DEBUG
8881 char *
8882 get_atom_name(xcb_atom_t atom)
8883 {
8884         char                            *name = NULL;
8885 #ifdef SWM_DEBUG_ATOM_NAMES
8886         /*
8887          * This should be disabled during most debugging since
8888          * xcb_get_* causes an xcb_flush.
8889          */
8890         size_t                          len;
8891         xcb_get_atom_name_reply_t       *r;
8892
8893         r = xcb_get_atom_name_reply(conn,
8894             xcb_get_atom_name(conn, atom),
8895             NULL);
8896         if (r) {
8897                 len = xcb_get_atom_name_name_length(r);
8898                 if (len > 0) {
8899                         name = malloc(len + 1);
8900                         if (name) {
8901                                 memcpy(name, xcb_get_atom_name_name(r), len);
8902                                 name[len] = '\0';
8903                         }
8904                 }
8905                 free(r);
8906         }
8907 #else
8908         (void)atom;
8909 #endif
8910         return (name);
8911 }
8912 #endif
8913
8914 void
8915 propertynotify(xcb_property_notify_event_t *e)
8916 {
8917         struct ws_win           *win;
8918         struct workspace        *ws;
8919 #ifdef SWM_DEBUG
8920         char                    *name;
8921
8922         name = get_atom_name(e->atom);
8923         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u), "
8924             "time: %#x, state: %u\n", e->window, name, e->atom, e->time,
8925             e->state);
8926         free(name);
8927 #endif
8928         win = find_window(e->window);
8929         if (win == NULL)
8930                 return;
8931
8932         ws = win->ws;
8933
8934         last_event_time = e->time;
8935
8936         if (e->atom == a_swm_iconic) {
8937                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8938                         if (focus_mode != SWM_FOCUS_FOLLOW)
8939                                 ws->focus_pending = get_focus_prev(win);
8940
8941                         unfocus_win(win);
8942                         unmap_window(win);
8943
8944                         if (ws->r) {
8945                                 stack();
8946
8947                                 if (focus_mode != SWM_FOCUS_FOLLOW &&
8948                                     WS_FOCUSED(ws)) {
8949                                         if (ws->focus_pending) {
8950                                                 focus_win(ws->focus_pending);
8951                                                 ws->focus_pending = NULL;
8952                                         } else {
8953                                                 xcb_set_input_focus(conn,
8954                                                     XCB_INPUT_FOCUS_PARENT,
8955                                                     ws->r->id,
8956                                                     XCB_CURRENT_TIME);
8957                                         }
8958                                 }
8959
8960                                 focus_flush();
8961                         }
8962                 } else if (e->state == XCB_PROPERTY_DELETE) {
8963                         /* The window is no longer iconic, restack ws. */
8964                         if (focus_mode != SWM_FOCUS_FOLLOW)
8965                                 ws->focus_pending = get_focus_magic(win);
8966
8967                         stack();
8968
8969                         /* Flush EnterNotify for mapnotify, if needed. */
8970                         focus_flush();
8971                 }
8972         } else if (e->atom == a_state) {
8973                 /* State just changed, make sure it gets focused if mapped. */
8974                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8975                         if (focus_mode != SWM_FOCUS_FOLLOW && WS_FOCUSED(ws)) {
8976                                 if (win->mapped &&
8977                                     ws->focus_pending == win) {
8978                                         focus_win(ws->focus_pending);
8979                                         ws->focus_pending = NULL;
8980                                 }
8981                         }
8982                 }
8983         } else if (e->atom == XCB_ATOM_WM_CLASS ||
8984             e->atom == XCB_ATOM_WM_NAME) {
8985                 bar_draw();
8986         } else if (e->atom == a_prot) {
8987                 get_wm_protocols(win);
8988         }
8989
8990         xcb_flush(conn);
8991 }
8992
8993 void
8994 unmapnotify(xcb_unmap_notify_event_t *e)
8995 {
8996         struct ws_win           *win;
8997         struct workspace        *ws;
8998
8999         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
9000
9001         /* If we aren't managing the window, then ignore. */
9002         win = find_window(e->window);
9003         if (win == NULL || win->id != e->window)
9004                 return;
9005
9006         ws = win->ws;
9007
9008         if (getstate(e->window) != XCB_ICCCM_WM_STATE_ICONIC)
9009                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
9010
9011         if (win->mapped) {
9012                 /* window unmapped itself */
9013                 /* do unmap/unfocus/restack and unmanage */
9014                 win->mapped = 0;
9015
9016                 /* If win was focused, make sure to focus on something else. */
9017                 if (win == ws->focus) {
9018                         if (focus_mode != SWM_FOCUS_FOLLOW) {
9019                                 ws->focus_pending = get_focus_prev(win);
9020                                 DNPRINTF(SWM_D_EVENT, "unmapnotify: "
9021                                     "focus_pending: 0x%x\n",
9022                                     WINID(ws->focus_pending));
9023                         }
9024
9025                         unfocus_win(win);
9026                 }
9027
9028                 unmanage_window(win);
9029
9030                 if (ws->r)
9031                         stack();
9032
9033                 if (WS_FOCUSED(ws)) {
9034                         if (focus_mode == SWM_FOCUS_FOLLOW) {
9035                                 focus_win(get_pointer_win(ws->r->s->root));
9036                         } else if (ws->focus_pending) {
9037                                 focus_win(ws->focus_pending);
9038                                 ws->focus_pending = NULL;
9039                         } else if (ws->focus == NULL) {
9040                                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
9041                                     ws->r->id, XCB_CURRENT_TIME);
9042                         }
9043                 }
9044         }
9045
9046         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL)
9047                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
9048
9049         focus_flush();
9050 }
9051
9052 void
9053 clientmessage(xcb_client_message_event_t *e)
9054 {
9055         struct ws_win *win;
9056         xcb_map_request_event_t mre;
9057 #ifdef SWM_DEBUG
9058         char                    *name;
9059
9060         name = get_atom_name(e->type);
9061         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
9062             e->window, name, e->type);
9063         free(name);
9064 #endif
9065         win = find_window(e->window);
9066
9067         if (win == NULL) {
9068                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
9069                         /* Manage the window with maprequest. */
9070                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
9071                             "unmanaged window.\n");
9072                         mre.window = e->window;
9073                         maprequest(&mre);
9074                 }
9075                 return;
9076         }
9077
9078         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
9079                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
9080                 if (WS_FOCUSED(win->ws))
9081                         focus_win(win);
9082                 else
9083                         win->ws->focus_pending = win;
9084         }
9085         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
9086                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
9087                 if (win->can_delete)
9088                         client_msg(win, a_delete, 0);
9089                 else
9090                         xcb_kill_client(conn, win->id);
9091         }
9092         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
9093                 DNPRINTF(SWM_D_EVENT,
9094                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
9095                 if (win->floating) {
9096                         if (e->data.data32[0] & (1<<8)) /* x */
9097                                 X(win) = e->data.data32[1];
9098                         if (e->data.data32[0] & (1<<9)) /* y */
9099                                 Y(win) = e->data.data32[2];
9100                         if (e->data.data32[0] & (1<<10)) /* width */
9101                                 WIDTH(win) = e->data.data32[3];
9102                         if (e->data.data32[0] & (1<<11)) /* height */
9103                                 HEIGHT(win) = e->data.data32[4];
9104
9105                         update_window(win);
9106                 }
9107                 else {
9108                         /* TODO: Change stack sizes */
9109                         /* notify no change was made. */
9110                         config_win(win, NULL);
9111                 }
9112         }
9113         if (e->type == ewmh[_NET_WM_STATE].atom) {
9114                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
9115                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
9116                 if (e->data.data32[2])
9117                         ewmh_update_win_state(win, e->data.data32[2],
9118                             e->data.data32[0]);
9119
9120                 stack();
9121         }
9122
9123         focus_flush();
9124 }
9125
9126 void
9127 check_conn(void)
9128 {
9129         int      errcode = xcb_connection_has_error(conn);
9130 #ifdef XCB_CONN_ERROR
9131         char    *s;
9132         switch (errcode) {
9133         case XCB_CONN_ERROR:
9134                 s = "Socket error, pipe error or other stream error.";
9135                 break;
9136         case XCB_CONN_CLOSED_EXT_NOTSUPPORTED:
9137                 s = "Extension not supported.";
9138                 break;
9139         case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
9140                 s = "Insufficient memory.";
9141                 break;
9142         case XCB_CONN_CLOSED_REQ_LEN_EXCEED:
9143                 s = "Request length was exceeded.";
9144                 break;
9145         case XCB_CONN_CLOSED_PARSE_ERR:
9146                 s = "Error parsing display string.";
9147                 break;
9148         default:
9149                 s = "Unknown error.";
9150         }
9151         if (errcode)
9152                 errx(errcode, "X CONNECTION ERROR: %s", s);
9153 #else
9154         if (errcode)
9155                 errx(errcode, "X CONNECTION ERROR");
9156 #endif
9157 }
9158
9159 int
9160 enable_wm(void)
9161 {
9162         int                     num_screens, i;
9163         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
9164             XCB_EVENT_MASK_ENTER_WINDOW;
9165         xcb_screen_t            *sc;
9166         xcb_void_cookie_t       wac;
9167         xcb_generic_error_t     *error;
9168
9169         /* this causes an error if some other window manager is running */
9170         num_screens = get_screen_count();
9171         for (i = 0; i < num_screens; i++) {
9172                 if ((sc = get_screen(i)) == NULL)
9173                         errx(1, "ERROR: can't get screen %d.", i);
9174                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
9175                     i, sc->root);
9176                 wac = xcb_change_window_attributes_checked(conn, sc->root,
9177                     XCB_CW_EVENT_MASK, &val);
9178                 if ((error = xcb_request_check(conn, wac))) {
9179                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
9180                             error->error_code);
9181                         free(error);
9182                         return 1;
9183                 }
9184
9185                 /* click to focus on empty region */
9186                 xcb_grab_button(conn, 1, sc->root, BUTTONMASK,
9187                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
9188                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_1, XCB_BUTTON_MASK_ANY);
9189         }
9190
9191         return 0;
9192 }
9193
9194 void
9195 new_region(struct swm_screen *s, int x, int y, int w, int h)
9196 {
9197         struct swm_region       *r, *n;
9198         struct workspace        *ws = NULL;
9199         int                     i;
9200         uint32_t                wa[1];
9201
9202         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
9203              s->idx, w, h, x, y);
9204
9205         /* remove any conflicting regions */
9206         n = TAILQ_FIRST(&s->rl);
9207         while (n) {
9208                 r = n;
9209                 n = TAILQ_NEXT(r, entry);
9210                 if (X(r) < (x + w) && (X(r) + WIDTH(r)) > x &&
9211                     Y(r) < (y + h) && (Y(r) + HEIGHT(r)) > y) {
9212                         if (r->ws->r != NULL)
9213                                 r->ws->old_r = r->ws->r;
9214                         r->ws->r = NULL;
9215                         bar_cleanup(r);
9216                         xcb_destroy_window(conn, r->id);
9217                         TAILQ_REMOVE(&s->rl, r, entry);
9218                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
9219                 }
9220         }
9221
9222         /* search old regions for one to reuse */
9223
9224         /* size + location match */
9225         TAILQ_FOREACH(r, &s->orl, entry)
9226                 if (X(r) == x && Y(r) == y &&
9227                     HEIGHT(r) == h && WIDTH(r) == w)
9228                         break;
9229
9230         /* size match */
9231         TAILQ_FOREACH(r, &s->orl, entry)
9232                 if (HEIGHT(r) == h && WIDTH(r) == w)
9233                         break;
9234
9235         if (r != NULL) {
9236                 TAILQ_REMOVE(&s->orl, r, entry);
9237                 /* try to use old region's workspace */
9238                 if (r->ws->r == NULL)
9239                         ws = r->ws;
9240         } else
9241                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
9242                         err(1, "new_region: calloc: failed to allocate memory "
9243                             "for screen");
9244
9245         /* if we don't have a workspace already, find one */
9246         if (ws == NULL) {
9247                 for (i = 0; i < workspace_limit; i++)
9248                         if (s->ws[i].r == NULL) {
9249                                 ws = &s->ws[i];
9250                                 break;
9251                         }
9252         }
9253
9254         if (ws == NULL)
9255                 errx(1, "new_region: no free workspaces");
9256
9257         X(r) = x;
9258         Y(r) = y;
9259         WIDTH(r) = w;
9260         HEIGHT(r) = h;
9261         r->s = s;
9262         r->ws = ws;
9263         r->ws_prior = NULL;
9264         ws->r = r;
9265         outputs++;
9266         TAILQ_INSERT_TAIL(&s->rl, r, entry);
9267
9268         /* Invisible region window to detect pointer events on empty regions. */
9269         r->id = xcb_generate_id(conn);
9270         wa[0] = XCB_EVENT_MASK_POINTER_MOTION |
9271             XCB_EVENT_MASK_POINTER_MOTION_HINT;
9272
9273         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->id, r->s->root,
9274             X(r), Y(r), WIDTH(r), HEIGHT(r), 0, XCB_WINDOW_CLASS_INPUT_ONLY,
9275             XCB_COPY_FROM_PARENT, XCB_CW_EVENT_MASK, wa);
9276
9277         xcb_map_window(conn, r->id);
9278 }
9279
9280 void
9281 scan_xrandr(int i)
9282 {
9283 #ifdef SWM_XRR_HAS_CRTC
9284         int                                             c;
9285         int                                             ncrtc = 0;
9286 #endif /* SWM_XRR_HAS_CRTC */
9287         struct swm_region                               *r;
9288         struct ws_win                                   *win;
9289         int                                             num_screens;
9290         xcb_randr_get_screen_resources_current_cookie_t src;
9291         xcb_randr_get_screen_resources_current_reply_t  *srr;
9292         xcb_randr_get_crtc_info_cookie_t                cic;
9293         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
9294         xcb_randr_crtc_t                                *crtc;
9295         xcb_screen_t                                    *screen;
9296
9297         DNPRINTF(SWM_D_MISC, "scan_xrandr: screen: %d\n", i);
9298
9299         if ((screen = get_screen(i)) == NULL)
9300                 errx(1, "ERROR: can't get screen %d.", i);
9301
9302         num_screens = get_screen_count();
9303         if (i >= num_screens)
9304                 errx(1, "scan_xrandr: invalid screen");
9305
9306         /* remove any old regions */
9307         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
9308                 r->ws->old_r = r->ws->r = NULL;
9309                 bar_cleanup(r);
9310                 xcb_destroy_window(conn, r->id);
9311                 TAILQ_REMOVE(&screens[i].rl, r, entry);
9312                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
9313         }
9314         outputs = 0;
9315
9316         /* map virtual screens onto physical screens */
9317 #ifdef SWM_XRR_HAS_CRTC
9318         if (xrandr_support) {
9319                 src = xcb_randr_get_screen_resources_current(conn,
9320                     screens[i].root);
9321                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
9322                     NULL);
9323                 if (srr == NULL) {
9324                         new_region(&screens[i], 0, 0,
9325                             screen->width_in_pixels,
9326                             screen->height_in_pixels);
9327                         goto out;
9328                 } else
9329                         ncrtc = srr->num_crtcs;
9330
9331                 crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
9332                 for (c = 0; c < ncrtc; c++) {
9333                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
9334                             XCB_CURRENT_TIME);
9335                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
9336                         if (cir == NULL)
9337                                 continue;
9338                         if (cir->num_outputs == 0) {
9339                                 free(cir);
9340                                 continue;
9341                         }
9342
9343                         if (cir->mode == 0)
9344                                 new_region(&screens[i], 0, 0,
9345                                     screen->width_in_pixels,
9346                                     screen->height_in_pixels);
9347                         else
9348                                 new_region(&screens[i],
9349                                     cir->x, cir->y, cir->width, cir->height);
9350                         free(cir);
9351                 }
9352                 free(srr);
9353         }
9354 #endif /* SWM_XRR_HAS_CRTC */
9355
9356         /* If detection failed, create a single region that spans the screen. */
9357         if (TAILQ_EMPTY(&screens[i].rl))
9358                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
9359                     screen->height_in_pixels);
9360
9361 out:
9362         /* Cleanup unused previously visible workspaces. */
9363         TAILQ_FOREACH(r, &screens[i].orl, entry) {
9364                 TAILQ_FOREACH(win, &r->ws->winlist, entry)
9365                         unmap_window(win);
9366
9367                 /* The screen shouldn't focus on an unused region. */
9368                 if (screens[i].r_focus == r)
9369                         screens[i].r_focus = NULL;
9370         }
9371
9372         DNPRINTF(SWM_D_MISC, "scan_xrandr: done.\n");
9373 }
9374
9375 void
9376 screenchange(xcb_randr_screen_change_notify_event_t *e)
9377 {
9378         struct swm_region               *r;
9379         int                             i, num_screens;
9380
9381         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
9382
9383         num_screens = get_screen_count();
9384         /* silly event doesn't include the screen index */
9385         for (i = 0; i < num_screens; i++)
9386                 if (screens[i].root == e->root)
9387                         break;
9388         if (i >= num_screens)
9389                 errx(1, "screenchange: screen not found");
9390
9391         /* brute force for now, just re-enumerate the regions */
9392         scan_xrandr(i);
9393
9394 #ifdef SWM_DEBUG
9395         print_win_geom(e->root);
9396 #endif
9397         /* add bars to all regions */
9398         for (i = 0; i < num_screens; i++) {
9399                 TAILQ_FOREACH(r, &screens[i].rl, entry)
9400                         bar_setup(r);
9401         }
9402
9403         stack();
9404
9405         /* Make sure a region has focus on each screen. */
9406         for (i = 0; i < num_screens; i++) {
9407                 if (screens[i].r_focus == NULL) {
9408                         r = TAILQ_FIRST(&screens[i].rl);
9409                         if (r != NULL)
9410                                 focus_region(r);
9411                 }
9412         }
9413
9414         bar_draw();
9415         focus_flush();
9416 }
9417
9418 void
9419 grab_windows(void)
9420 {
9421         struct swm_region       *r = NULL;
9422         xcb_window_t            *wins = NULL, trans;
9423         int                     no;
9424         int                     i, j, num_screens;
9425         uint16_t                state, manage, mapped;
9426
9427         xcb_query_tree_cookie_t                 qtc;
9428         xcb_query_tree_reply_t                  *qtr;
9429         xcb_get_window_attributes_cookie_t      gac;
9430         xcb_get_window_attributes_reply_t       *gar;
9431         xcb_get_property_cookie_t               pc;
9432
9433         DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
9434         num_screens = get_screen_count();
9435         for (i = 0; i < num_screens; i++) {
9436                 qtc = xcb_query_tree(conn, screens[i].root);
9437                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
9438                 if (qtr == NULL)
9439                         continue;
9440                 wins = xcb_query_tree_children(qtr);
9441                 no = xcb_query_tree_children_length(qtr);
9442                 /* attach windows to a region */
9443                 /* normal windows */
9444                 DNPRINTF(SWM_D_INIT, "grab_windows: grab top level windows.\n");
9445                 for (j = 0; j < no; j++) {
9446                         TAILQ_FOREACH(r, &screens[i].rl, entry) {
9447                                 if (r->id == wins[j]) {
9448                                         DNPRINTF(SWM_D_INIT, "grab_windows: "
9449                                             "skip %#x; region input window.\n",
9450                                             wins[j]);
9451                                         break;
9452                                 }
9453                         }
9454
9455                         if (r)
9456                                 continue;
9457
9458                         gac = xcb_get_window_attributes(conn, wins[j]);
9459                         gar = xcb_get_window_attributes_reply(conn, gac, NULL);
9460                         if (gar == NULL) {
9461                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9462                                     "doesn't exist.\n", wins[j]);
9463                                 continue;
9464                         }
9465
9466                         if (gar->override_redirect) {
9467                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9468                                     "override_redirect set.\n", wins[j]);
9469                                 free(gar);
9470                                 continue;
9471                         }
9472
9473                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
9474                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
9475                             &trans, NULL)) {
9476                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9477                                     "is transient for %#x.\n", wins[j], trans);
9478                                 free(gar);
9479                                 continue;
9480                         }
9481
9482                         state = getstate(wins[j]);
9483                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
9484                         mapped = gar->map_state != XCB_MAP_STATE_UNMAPPED;
9485                         if (mapped || manage)
9486                                 manage_window(wins[j], mapped);
9487                         free(gar);
9488                 }
9489                 /* transient windows */
9490                 DNPRINTF(SWM_D_INIT, "grab_windows: grab transient windows.\n");
9491                 for (j = 0; j < no; j++) {
9492                         gac = xcb_get_window_attributes(conn, wins[j]);
9493                         gar = xcb_get_window_attributes_reply(conn, gac, NULL);
9494                         if (gar == NULL) {
9495                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9496                                     "doesn't exist.\n", wins[j]);
9497                                 continue;
9498                         }
9499
9500                         if (gar->override_redirect) {
9501                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9502                                     "override_redirect set.\n", wins[j]);
9503                                 free(gar);
9504                                 continue;
9505                         }
9506
9507                         state = getstate(wins[j]);
9508                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
9509                         mapped = gar->map_state != XCB_MAP_STATE_UNMAPPED;
9510                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
9511                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
9512                             &trans, NULL) && manage)
9513                                 manage_window(wins[j], mapped);
9514                         free(gar);
9515                 }
9516                 free(qtr);
9517         }
9518         DNPRINTF(SWM_D_INIT, "grab_windows: done.\n");
9519 }
9520
9521 void
9522 setup_screens(void)
9523 {
9524         int                     i, j, k, num_screens;
9525         struct workspace        *ws;
9526         uint32_t                gcv[1], wa[1];
9527         const xcb_query_extension_reply_t *qep;
9528         xcb_screen_t                            *screen;
9529         xcb_randr_query_version_cookie_t        c;
9530         xcb_randr_query_version_reply_t         *r;
9531
9532         num_screens = get_screen_count();
9533         if ((screens = calloc(num_screens,
9534              sizeof(struct swm_screen))) == NULL)
9535                 err(1, "setup_screens: calloc: failed to allocate memory for "
9536                     "screens");
9537
9538         /* initial Xrandr setup */
9539         xrandr_support = 0;
9540         qep = xcb_get_extension_data(conn, &xcb_randr_id);
9541         if (qep->present) {
9542                 c = xcb_randr_query_version(conn, 1, 1);
9543                 r = xcb_randr_query_version_reply(conn, c, NULL);
9544                 if (r) {
9545                         if (r->major_version >= 1) {
9546                                 xrandr_support = 1;
9547                                 xrandr_eventbase = qep->first_event;
9548                         }
9549                         free(r);
9550                 }
9551         }
9552
9553         wa[0] = cursors[XC_LEFT_PTR].cid;
9554
9555         /* map physical screens */
9556         for (i = 0; i < num_screens; i++) {
9557                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
9558                 screens[i].idx = i;
9559                 screens[i].r_focus = NULL;
9560
9561                 TAILQ_INIT(&screens[i].rl);
9562                 TAILQ_INIT(&screens[i].orl);
9563                 if ((screen = get_screen(i)) == NULL)
9564                         errx(1, "ERROR: can't get screen %d.", i);
9565                 screens[i].root = screen->root;
9566
9567                 /* set default colors */
9568                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
9569                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
9570                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
9571                 setscreencolor("rgb:00/40/40", i + 1,
9572                     SWM_S_COLOR_BAR_BORDER_UNFOCUS);
9573                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
9574                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
9575
9576                 /* create graphics context on screen */
9577                 screens[i].bar_gc = xcb_generate_id(conn);
9578                 gcv[0] = 0;
9579                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
9580                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
9581
9582                 /* set default cursor */
9583                 xcb_change_window_attributes(conn, screens[i].root,
9584                     XCB_CW_CURSOR, wa);
9585
9586                 /* init all workspaces */
9587                 /* XXX these should be dynamically allocated too */
9588                 for (j = 0; j < SWM_WS_MAX; j++) {
9589                         ws = &screens[i].ws[j];
9590                         ws->idx = j;
9591                         ws->name = NULL;
9592                         ws->bar_enabled = 1;
9593                         ws->focus = NULL;
9594                         ws->focus_prev = NULL;
9595                         ws->focus_pending = NULL;
9596                         ws->r = NULL;
9597                         ws->old_r = NULL;
9598                         TAILQ_INIT(&ws->winlist);
9599                         TAILQ_INIT(&ws->unmanagedlist);
9600
9601                         for (k = 0; layouts[k].l_stack != NULL; k++)
9602                                 if (layouts[k].l_config != NULL)
9603                                         layouts[k].l_config(ws,
9604                                             SWM_ARG_ID_STACKINIT);
9605                         ws->cur_layout = &layouts[0];
9606                         ws->cur_layout->l_string(ws);
9607                 }
9608
9609                 scan_xrandr(i);
9610
9611                 if (xrandr_support)
9612                         xcb_randr_select_input(conn, screens[i].root,
9613                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
9614         }
9615 }
9616
9617 void
9618 setup_globals(void)
9619 {
9620         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
9621                 err(1, "setup_globals: strdup: failed to allocate memory.");
9622
9623         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
9624                 err(1, "setup_globals: strdup: failed to allocate memory.");
9625
9626         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
9627                 errx(1, "unable to allocate key symbols");
9628
9629         a_state = get_atom_from_string("WM_STATE");
9630         a_prot = get_atom_from_string("WM_PROTOCOLS");
9631         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
9632         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
9633         a_utf8_string = get_atom_from_string("UTF8_STRING");
9634         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
9635         a_swm_ws = get_atom_from_string("_SWM_WS");
9636 }
9637
9638 void
9639 workaround(void)
9640 {
9641         int                     i, num_screens;
9642         xcb_atom_t              netwmcheck;
9643         xcb_window_t            root, win;
9644
9645         /* work around sun jdk bugs, code from wmname */
9646         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
9647
9648         num_screens = get_screen_count();
9649         for (i = 0; i < num_screens; i++) {
9650                 root = screens[i].root;
9651
9652                 win = xcb_generate_id(conn);
9653                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, root,
9654                     0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
9655                     XCB_COPY_FROM_PARENT, 0, NULL);
9656
9657                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
9658                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
9659                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
9660                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
9661                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
9662                     ewmh[_NET_WM_NAME].atom, a_utf8_string, 8, strlen("LG3D"),
9663                     "LG3D");
9664         }
9665 }
9666
9667 void
9668 shutdown_cleanup(void)
9669 {
9670         int i, num_screens;
9671
9672         /* disable alarm because the following code may not be interrupted */
9673         alarm(0);
9674         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
9675                 err(1, "can't disable alarm");
9676
9677         bar_extra_stop();
9678         unmap_all();
9679
9680         cursors_cleanup();
9681
9682         teardown_ewmh();
9683
9684         num_screens = get_screen_count();
9685         for (i = 0; i < num_screens; ++i) {
9686                 if (screens[i].bar_gc != XCB_NONE)
9687                         xcb_free_gc(conn, screens[i].bar_gc);
9688                 if (!bar_font_legacy)
9689                         XftColorFree(display, DefaultVisual(display, i),
9690                             DefaultColormap(display, i), &bar_font_color);
9691         }
9692
9693         if (bar_font_legacy)
9694                 XFreeFontSet(display, bar_fs);
9695         else {
9696                 XftFontClose(display, bar_font);
9697         }
9698
9699         xcb_key_symbols_free(syms);
9700         xcb_flush(conn);
9701         xcb_disconnect(conn);
9702 }
9703
9704 void
9705 event_error(xcb_generic_error_t *e)
9706 {
9707         (void)e;
9708
9709         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
9710             "resource_id: %u, minor_code: %u\n",
9711             xcb_event_get_error_label(e->error_code), e->error_code,
9712             xcb_event_get_request_label(e->major_code), e->major_code,
9713             e->sequence, e->resource_id, e->minor_code);
9714 }
9715
9716 void
9717 event_handle(xcb_generic_event_t *evt)
9718 {
9719         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
9720
9721         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d), seq %u\n",
9722             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
9723             XCB_EVENT_RESPONSE_TYPE(evt), evt->sequence);
9724
9725         switch (type) {
9726 #define EVENT(type, callback) case type: callback((void *)evt); return
9727         EVENT(0, event_error);
9728         EVENT(XCB_BUTTON_PRESS, buttonpress);
9729         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
9730         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
9731         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
9732         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
9733         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
9734         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
9735         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
9736         /*EVENT(XCB_CREATE_NOTIFY, );*/
9737         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
9738         EVENT(XCB_ENTER_NOTIFY, enternotify);
9739         EVENT(XCB_EXPOSE, expose);
9740 #ifdef SWM_DEBUG
9741         EVENT(XCB_FOCUS_IN, focusin);
9742         EVENT(XCB_FOCUS_OUT, focusout);
9743 #endif
9744         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
9745         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
9746         EVENT(XCB_KEY_PRESS, keypress);
9747         /*EVENT(XCB_KEY_RELEASE, keypress);*/
9748         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
9749 #ifdef SWM_DEBUG
9750         EVENT(XCB_LEAVE_NOTIFY, leavenotify);
9751 #endif
9752         EVENT(XCB_MAP_NOTIFY, mapnotify);
9753         EVENT(XCB_MAP_REQUEST, maprequest);
9754         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
9755         EVENT(XCB_MOTION_NOTIFY, motionnotify);
9756         /*EVENT(XCB_NO_EXPOSURE, );*/
9757         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
9758         /*EVENT(XCB_REPARENT_NOTIFY, );*/
9759         /*EVENT(XCB_RESIZE_REQUEST, );*/
9760         /*EVENT(XCB_SELECTION_CLEAR, );*/
9761         /*EVENT(XCB_SELECTION_NOTIFY, );*/
9762         /*EVENT(XCB_SELECTION_REQUEST, );*/
9763         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
9764         /*EVENT(XCB_VISIBILITY_NOTIFY, );*/
9765 #undef EVENT
9766         }
9767         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
9768                 screenchange((void *)evt);
9769 }
9770
9771 int
9772 main(int argc, char *argv[])
9773 {
9774         struct swm_region       *r;
9775         char                    conf[PATH_MAX], *cfile = NULL;
9776         struct stat             sb;
9777         int                     xfd, i, num_screens, startup = 1;
9778         struct sigaction        sact;
9779         xcb_generic_event_t     *evt;
9780         struct timeval          tv;
9781         fd_set                  rd;
9782         int                     rd_max;
9783         int                     stdin_ready = 0;
9784         int                     num_readable;
9785
9786         /* suppress unused warning since var is needed */
9787         (void)argc;
9788
9789         time_started = time(NULL);
9790
9791         start_argv = argv;
9792         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
9793         if (setlocale(LC_CTYPE, "") == NULL || setlocale(LC_TIME, "") == NULL)
9794                 warnx("no locale support");
9795
9796         /* handle some signals */
9797         bzero(&sact, sizeof(sact));
9798         sigemptyset(&sact.sa_mask);
9799         sact.sa_flags = 0;
9800         sact.sa_handler = sighdlr;
9801         sigaction(SIGINT, &sact, NULL);
9802         sigaction(SIGQUIT, &sact, NULL);
9803         sigaction(SIGTERM, &sact, NULL);
9804         sigaction(SIGHUP, &sact, NULL);
9805
9806         sact.sa_handler = sighdlr;
9807         sact.sa_flags = SA_NOCLDSTOP;
9808         sigaction(SIGCHLD, &sact, NULL);
9809
9810         if ((display = XOpenDisplay(0)) == NULL)
9811                 errx(1, "can not open display");
9812
9813         conn = XGetXCBConnection(display);
9814         if (xcb_connection_has_error(conn))
9815                 errx(1, "can not get XCB connection");
9816
9817         XSetEventQueueOwner(display, XCBOwnsEventQueue);
9818
9819         xcb_prefetch_extension_data(conn, &xcb_randr_id);
9820         xfd = xcb_get_file_descriptor(conn);
9821
9822         /* look for local and global conf file */
9823         pwd = getpwuid(getuid());
9824         if (pwd == NULL)
9825                 errx(1, "invalid user: %d", getuid());
9826
9827         xcb_grab_server(conn);
9828         xcb_aux_sync(conn);
9829
9830         /* flush all events */
9831         while ((evt = xcb_poll_for_event(conn))) {
9832                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
9833                         event_handle(evt);
9834                 free(evt);
9835         }
9836
9837         if (enable_wm())
9838                 errx(1, "another window manager is currently running");
9839
9840         /* Load Xcursors and/or cursorfont glyph cursors. */
9841         cursors_load();
9842
9843         xcb_aux_sync(conn);
9844
9845         setup_globals();
9846         setup_screens();
9847         setup_keys();
9848         setup_quirks();
9849         setup_spawn();
9850
9851         /* load config */
9852         for (i = 0; ; i++) {
9853                 conf[0] = '\0';
9854                 switch (i) {
9855                 case 0:
9856                         /* ~ */
9857                         snprintf(conf, sizeof conf, "%s/.%s",
9858                             pwd->pw_dir, SWM_CONF_FILE);
9859                         break;
9860                 case 1:
9861                         /* global */
9862                         snprintf(conf, sizeof conf, "/etc/%s",
9863                             SWM_CONF_FILE);
9864                         break;
9865                 case 2:
9866                         /* ~ compat */
9867                         snprintf(conf, sizeof conf, "%s/.%s",
9868                             pwd->pw_dir, SWM_CONF_FILE_OLD);
9869                         break;
9870                 case 3:
9871                         /* global compat */
9872                         snprintf(conf, sizeof conf, "/etc/%s",
9873                             SWM_CONF_FILE_OLD);
9874                         break;
9875                 default:
9876                         goto noconfig;
9877                 }
9878
9879                 if (strlen(conf) && stat(conf, &sb) != -1)
9880                         if (S_ISREG(sb.st_mode)) {
9881                                 cfile = conf;
9882                                 break;
9883                         }
9884         }
9885 noconfig:
9886
9887         /* load conf (if any) */
9888         if (cfile)
9889                 conf_load(cfile, SWM_CONF_DEFAULT);
9890
9891         validate_spawns();
9892
9893         setup_ewmh();
9894         /* set some values to work around bad programs */
9895         workaround();
9896         /* grab existing windows (before we build the bars) */
9897         grab_windows();
9898
9899         if (getenv("SWM_STARTED") == NULL)
9900                 setenv("SWM_STARTED", "YES", 1);
9901
9902         /* setup all bars */
9903         num_screens = get_screen_count();
9904         for (i = 0; i < num_screens; i++)
9905                 TAILQ_FOREACH(r, &screens[i].rl, entry)
9906                         bar_setup(r);
9907
9908         grabkeys();
9909         stack();
9910         bar_draw();
9911
9912         xcb_ungrab_server(conn);
9913         xcb_flush(conn);
9914
9915         rd_max = xfd > STDIN_FILENO ? xfd : STDIN_FILENO;
9916
9917         while (running) {
9918                 while ((evt = xcb_poll_for_event(conn))) {
9919                         if (!running)
9920                                 goto done;
9921                         event_handle(evt);
9922                         free(evt);
9923                 }
9924
9925                 /* If just (re)started, set default focus if needed. */
9926                 if (startup) {
9927                         startup = 0;
9928
9929                         if (focus_mode != SWM_FOCUS_FOLLOW) {
9930                                 r = TAILQ_FIRST(&screens[0].rl);
9931                                 if (r) {
9932                                         focus_region(r);
9933                                         focus_flush();
9934                                 }
9935                                 continue;
9936                         }
9937                 }
9938
9939                 FD_ZERO(&rd);
9940
9941                 if (bar_extra)
9942                         FD_SET(STDIN_FILENO, &rd);
9943
9944                 FD_SET(xfd, &rd);
9945                 tv.tv_sec = 1;
9946                 tv.tv_usec = 0;
9947                 num_readable = select(rd_max + 1, &rd, NULL, NULL, &tv);
9948                 if (num_readable == -1 && errno != EINTR) {
9949                         DNPRINTF(SWM_D_MISC, "select failed");
9950                 } else if (num_readable > 0 && FD_ISSET(STDIN_FILENO, &rd)) {
9951                         stdin_ready = 1;
9952                 }
9953
9954                 if (restart_wm)
9955                         restart(NULL, NULL);
9956
9957                 if (search_resp)
9958                         search_do_resp();
9959
9960                 if (!running)
9961                         goto done;
9962
9963                 if (stdin_ready) {
9964                         stdin_ready = 0;
9965                         bar_extra_update();
9966                 }
9967
9968                 bar_draw();
9969                 xcb_flush(conn);
9970         }
9971 done:
9972         shutdown_cleanup();
9973
9974         return (0);
9975 }