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) 2011-2012 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 David Hill <dhill@mindcry.org>
  12  *
  13  * Permission to use, copy, modify, and distribute this software for any
  14  * purpose with or without fee is hereby granted, provided that the above
  15  * copyright notice and this permission notice appear in all copies.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  18  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  20  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  21  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  22  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  23  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  24  */
  25 /*
  26  * Much code and ideas taken from dwm under the following license:
  27  * MIT/X Consortium License
  28  *
  29  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  30  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  31  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  32  * 2007 Premysl Hruby <dfenze at gmail dot com>
  33  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  34  * 2007 Christof Musik <christof at sendfax dot de>
  35  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  36  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  37  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  38  *
  39  * Permission is hereby granted, free of charge, to any person obtaining a
  40  * copy of this software and associated documentation files (the "Software"),
  41  * to deal in the Software without restriction, including without limitation
  42  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  43  * and/or sell copies of the Software, and to permit persons to whom the
  44  * Software is furnished to do so, subject to the following conditions:
  45  *
  46  * The above copyright notice and this permission notice shall be included in
  47  * all copies or substantial portions of the Software.
  48  *
  49  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  50  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  51  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  52  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  53  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  54  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  55  * DEALINGS IN THE SOFTWARE.
  56  */
  57
  58 /* kernel includes */
  59 #include <sys/types.h>
  60 #include <sys/time.h>
  61 #include <sys/stat.h>
  62 #include <sys/wait.h>
  63 #include <sys/queue.h>
  64 #include <sys/param.h>
  65 #include <sys/select.h>
  66 #if defined(__linux__)
  67 #include "tree.h"
  68 #elif defined(__OpenBSD__)
  69 #include <sys/tree.h>
  70 #elif defined(__FreeBSD__)
  71 #include <sys/tree.h>
  72 #else
  73 #include "tree.h"
  74 #endif
  75
  76 /* /usr/includes */
  77 #include <ctype.h>
  78 #include <err.h>
  79 #include <errno.h>
  80 #include <fcntl.h>
  81 #include <locale.h>
  82 #include <paths.h>
  83 #include <pwd.h>
  84 #include <signal.h>
  85 #include <stdio.h>
  86 #include <stdlib.h>
  87 #include <string.h>
  88 #include <time.h>
  89 #include <unistd.h>
  90 #include <util.h>
  91 #include <X11/cursorfont.h>
  92 #include <X11/extensions/Xrandr.h>
  93 #include <X11/Xcursor/Xcursor.h>
  94 #include <X11/Xft/Xft.h>
  95 #include <X11/Xlib-xcb.h>
  96 #include <xcb/xcb_atom.h>
  97 #include <xcb/xcb_aux.h>
  98 #include <xcb/xcb_event.h>
  99 #include <xcb/xcb_icccm.h>
 100 #include <xcb/xcb_keysyms.h>
 101 #include <xcb/xtest.h>
 102 #include <xcb/randr.h>
 103
 104 /* local includes */
 105 #include "version.h"
 106 #ifdef __OSX__
 107 #include <osx.h>
 108 #endif
 109
 110 #ifdef SPECTRWM_BUILDSTR
 111 static const char       *buildstr = SPECTRWM_BUILDSTR;
 112 #else
 113 static const char       *buildstr = SPECTRWM_VERSION;
 114 #endif
 115
 116 #if !defined(__CYGWIN__) /* cygwin chokes on xrandr stuff */
 117 #  if RANDR_MAJOR < 1
 118 #    error XRandR versions less than 1.0 are not supported
 119 #endif
 120
 121 #  if RANDR_MAJOR >= 1
 122 #    if RANDR_MINOR >= 2
 123 #      define SWM_XRR_HAS_CRTC
 124 #    endif
 125 #  endif
 126 #endif /* __CYGWIN__ */
 127
 128 #ifndef XCB_ICCCM_NUM_WM_HINTS_ELEMENTS
 129 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 130 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 131 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 132 #define XCB_ICCCM_WM_HINT_INPUT                 XCB_WM_HINT_INPUT
 133 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 134 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 135 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 136 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 137 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 138 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 139 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 140 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 141 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 142 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 143 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 144 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 145 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 146 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 147 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 148 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 149 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 150 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 151 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 152 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 153 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 154 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 155 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 156 #endif
 157
 158 /*#define SWM_DEBUG*/
 159 #ifdef SWM_DEBUG
 160 #define DPRINTF(x...) do {                                                      \
 161         if (swm_debug)                                                          \
 162                 fprintf(stderr, x);                                             \
 163 } while (0)
 164 #define DNPRINTF(n,x...) do {                                                   \
 165         if (swm_debug & n) {                                                    \
 166                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 167                 fprintf(stderr, x);                                             \
 168         }                                                                       \
 169 } while (0)
 170 #define SWM_D_MISC              0x0001
 171 #define SWM_D_EVENT             0x0002
 172 #define SWM_D_WS                0x0004
 173 #define SWM_D_FOCUS             0x0008
 174 #define SWM_D_MOVE              0x0010
 175 #define SWM_D_STACK             0x0020
 176 #define SWM_D_MOUSE             0x0040
 177 #define SWM_D_PROP              0x0080
 178 #define SWM_D_CLASS             0x0100
 179 #define SWM_D_KEY               0x0200
 180 #define SWM_D_QUIRK             0x0400
 181 #define SWM_D_SPAWN             0x0800
 182 #define SWM_D_EVENTQ            0x1000
 183 #define SWM_D_CONF              0x2000
 184 #define SWM_D_BAR               0x4000
 185 #define SWM_D_INIT              0x8000
 186
 187 u_int32_t               swm_debug = 0
 188                             | SWM_D_MISC
 189                             | SWM_D_EVENT
 190                             | SWM_D_WS
 191                             | SWM_D_FOCUS
 192                             | SWM_D_MOVE
 193                             | SWM_D_STACK
 194                             | SWM_D_MOUSE
 195                             | SWM_D_PROP
 196                             | SWM_D_CLASS
 197                             | SWM_D_KEY
 198                             | SWM_D_QUIRK
 199                             | SWM_D_SPAWN
 200                             | SWM_D_EVENTQ
 201                             | SWM_D_CONF
 202                             | SWM_D_BAR
 203                             | SWM_D_INIT
 204                             ;
 205 #else
 206 #define DPRINTF(x...)
 207 #define DNPRINTF(n,x...)
 208 #endif
 209
 210 /* convert 8-bit to 16-bit */
 211 #define RGB_8_TO_16(col)        ((col) << 8) + (col)
 212
 213 #define PIXEL_TO_XRENDERCOLOR(px, xrc)                                  \
 214         xrc.red = RGB_8_TO_16((px) >> 16 & 0xff);                       \
 215         xrc.green = RGB_8_TO_16((px) >> 8 & 0xff);                      \
 216         xrc.blue = RGB_8_TO_16((px) & 0xff);                            \
 217         xrc.alpha = 0xffff;
 218
 219 #define LENGTH(x)               (int)(sizeof (x) / sizeof (x)[0])
 220 #define MODKEY                  XCB_MOD_MASK_1
 221 #define CLEANMASK(mask)         ((mask) & ~(numlockmask | XCB_MOD_MASK_LOCK))
 222 #define BUTTONMASK              (XCB_EVENT_MASK_BUTTON_PRESS |          \
 223     XCB_EVENT_MASK_BUTTON_RELEASE)
 224 #define MOUSEMASK               (BUTTONMASK|XCB_EVENT_MASK_POINTER_MOTION)
 225 #define SWM_PROPLEN             (16)
 226 #define SWM_FUNCNAME_LEN        (32)
 227 #define SWM_KEYS_LEN            (255)
 228 #define SWM_QUIRK_LEN           (64)
 229 #define X(r)                    (r)->g.x
 230 #define Y(r)                    (r)->g.y
 231 #define WIDTH(r)                (r)->g.w
 232 #define HEIGHT(r)               (r)->g.h
 233 #define BORDER(w)               ((w)->bordered ? border_width : 0)
 234 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 235 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 236 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 237 #define SH_MIN_W(w)             (w)->sh.min_width
 238 #define SH_MIN_H(w)             (w)->sh.min_height
 239 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 240 #define SH_MAX_W(w)             (w)->sh.max_width
 241 #define SH_MAX_H(w)             (w)->sh.max_height
 242 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 243 #define SH_INC_W(w)             (w)->sh.width_inc
 244 #define SH_INC_H(w)             (w)->sh.height_inc
 245 #define SWM_MAX_FONT_STEPS      (3)
 246 #define WINID(w)                ((w) ? (w)->id : 0)
 247 #define YESNO(x)                ((x) ? "yes" : "no")
 248
 249 #define SWM_FOCUS_DEFAULT       (0)
 250 #define SWM_FOCUS_FOLLOW        (1)
 251 #define SWM_FOCUS_MANUAL        (2)
 252
 253 #define SWM_CK_NONE             0
 254 #define SWM_CK_ALL              0x7
 255 #define SWM_CK_FOCUS            0x1
 256 #define SWM_CK_POINTER          0x2
 257 #define SWM_CK_FALLBACK         0x4
 258
 259 #define SWM_CONF_DEFAULT        (0)
 260 #define SWM_CONF_KEYMAPPING     (1)
 261
 262 #ifndef SWM_LIB
 263 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 264 #endif
 265
 266 char                    **start_argv;
 267 xcb_atom_t              a_state;
 268 xcb_atom_t              a_prot;
 269 xcb_atom_t              a_delete;
 270 xcb_atom_t              a_takefocus;
 271 xcb_atom_t              a_wmname;
 272 xcb_atom_t              a_netwmname;
 273 xcb_atom_t              a_utf8_string;
 274 xcb_atom_t              a_string;
 275 xcb_atom_t              a_swm_iconic;
 276 xcb_atom_t              a_swm_ws;
 277 volatile sig_atomic_t   running = 1;
 278 volatile sig_atomic_t   restart_wm = 0;
 279 xcb_timestamp_t         last_event_time = 0;
 280 int                     outputs = 0;
 281 int                     other_wm;
 282 int                     xrandr_support;
 283 int                     xrandr_eventbase;
 284 unsigned int            numlockmask = 0;
 285
 286 Display                 *display;
 287 xcb_connection_t        *conn;
 288 xcb_key_symbols_t       *syms;
 289
 290 int                     cycle_empty = 0;
 291 int                     cycle_visible = 0;
 292 int                     term_width = 0;
 293 int                     font_adjusted = 0;
 294 unsigned int            mod_key = MODKEY;
 295
 296 /* dmenu search */
 297 struct swm_region       *search_r;
 298 int                     select_list_pipe[2];
 299 int                     select_resp_pipe[2];
 300 pid_t                   searchpid;
 301 volatile sig_atomic_t   search_resp;
 302 int                     search_resp_action;
 303
 304 struct search_window {
 305         TAILQ_ENTRY(search_window)      entry;
 306         int                             idx;
 307         struct ws_win                   *win;
 308         xcb_gcontext_t                  gc;
 309         xcb_window_t                    indicator;
 310 };
 311 TAILQ_HEAD(search_winlist, search_window);
 312 struct search_winlist                   search_wl;
 313
 314 /* search actions */
 315 enum {
 316         SWM_SEARCH_NONE,
 317         SWM_SEARCH_UNICONIFY,
 318         SWM_SEARCH_NAME_WORKSPACE,
 319         SWM_SEARCH_SEARCH_WORKSPACE,
 320         SWM_SEARCH_SEARCH_WINDOW
 321 };
 322
 323 #define SWM_STACK_TOP           (0)
 324 #define SWM_STACK_BOTTOM        (1)
 325 #define SWM_STACK_ABOVE         (2)
 326 #define SWM_STACK_BELOW         (3)
 327
 328 /* dialog windows */
 329 double                  dialog_ratio = 0.6;
 330 /* status bar */
 331 #define SWM_BAR_MAX             (256)
 332 #define SWM_BAR_JUSTIFY_LEFT    (0)
 333 #define SWM_BAR_JUSTIFY_CENTER  (1)
 334 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 335 #define SWM_BAR_OFFSET          (4)
 336 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-12-*-*-*-*-*-*-*," \
 337                                 "-*-profont-*-*-*-*-12-*-*-*-*-*-*-*,"      \
 338                                 "-*-times-medium-r-*-*-12-*-*-*-*-*-*-*,"    \
 339                                 "-misc-fixed-medium-r-*-*-12-*-*-*-*-*-*-*,"  \
 340                                 "-*-*-*-r-*-*-*-*-*-*-*-*-*-*"
 341
 342 #ifdef X_HAVE_UTF8_STRING
 343 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 344 #else
 345 #define DRAWSTRING(x...)        XmbDrawString(x)
 346 #endif
 347
 348 char            *bar_argv[] = { NULL, NULL };
 349 int              bar_pipe[2];
 350 char             bar_ext[SWM_BAR_MAX];
 351 char             bar_ext_buf[SWM_BAR_MAX];
 352 char             bar_vertext[SWM_BAR_MAX];
 353 int              bar_version = 0;
 354 int              bar_enabled = 1;
 355 int              bar_border_width = 1;
 356 int              bar_at_bottom = 0;
 357 int              bar_extra = 1;
 358 int              bar_extra_running = 0;
 359 int              bar_verbose = 1;
 360 int              bar_height = 0;
 361 int              bar_justify = SWM_BAR_JUSTIFY_LEFT;
 362 char             *bar_format = NULL;
 363 int              stack_enabled = 1;
 364 int              clock_enabled = 1;
 365 int              urgent_enabled = 0;
 366 char            *clock_format = NULL;
 367 int              title_name_enabled = 0;
 368 int              title_class_enabled = 0;
 369 int              window_name_enabled = 0;
 370 int              focus_mode = SWM_FOCUS_DEFAULT;
 371 int              focus_close = SWM_STACK_BELOW;
 372 int              focus_close_wrap = 1;
 373 int              focus_default = SWM_STACK_TOP;
 374 int              spawn_position = SWM_STACK_TOP;
 375 int              disable_border = 0;
 376 int              border_width = 1;
 377 int              verbose_layout = 0;
 378 time_t           time_started;
 379 pid_t            bar_pid;
 380 XFontSet         bar_fs;
 381 XFontSetExtents *bar_fs_extents;
 382 XftFont         *bar_font;
 383 int              bar_font_legacy = 1;
 384 char            *bar_fonts;
 385 XftColor         bar_font_color;
 386 struct passwd   *pwd;
 387
 388 /* layout manager data */
 389 struct swm_geometry {
 390         int                     x;
 391         int                     y;
 392         int                     w;
 393         int                     h;
 394 };
 395
 396 struct swm_screen;
 397 struct workspace;
 398
 399 struct swm_bar {
 400         xcb_window_t            id;
 401         xcb_pixmap_t            buffer;
 402         struct swm_geometry     g;
 403 };
 404
 405 /* virtual "screens" */
 406 struct swm_region {
 407         TAILQ_ENTRY(swm_region) entry;
 408         struct swm_geometry     g;
 409         struct workspace        *ws;    /* current workspace on this region */
 410         struct workspace        *ws_prior; /* prior workspace on this region */
 411         struct swm_screen       *s;     /* screen idx */
 412         struct swm_bar          *bar;
 413 };
 414 TAILQ_HEAD(swm_region_list, swm_region);
 415
 416 struct ws_win {
 417         TAILQ_ENTRY(ws_win)     entry;
 418         xcb_window_t            id;
 419         xcb_window_t            transient;
 420         struct ws_win           *focus_child;   /* focus on child transient */
 421         struct swm_geometry     g;              /* current geometry */
 422         struct swm_geometry     g_float;        /* region coordinates */
 423         int                     g_floatvalid;   /* g_float geometry validity */
 424         int                     floatmaxed;     /* whether maxed by max_stack */
 425         int                     floating;
 426         int                     manual;
 427         int32_t                 mapped;
 428         int32_t                 iconic;
 429         int                     bordered;
 430         unsigned int            ewmh_flags;
 431         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 432         int                     font_steps;
 433         int                     last_inc;
 434         int                     can_delete;
 435         int                     take_focus;
 436         int                     java;
 437         unsigned long           quirks;
 438         struct workspace        *ws;    /* always valid */
 439         struct swm_screen       *s;     /* always valid, never changes */
 440         xcb_get_geometry_reply_t        *wa;
 441         xcb_size_hints_t        sh;
 442         xcb_icccm_get_wm_class_reply_t  ch;
 443         xcb_icccm_wm_hints_t    hints;
 444 };
 445 TAILQ_HEAD(ws_win_list, ws_win);
 446
 447 /* pid goo */
 448 struct pid_e {
 449         TAILQ_ENTRY(pid_e)      entry;
 450         pid_t                   pid;
 451         int                     ws;
 452 };
 453 TAILQ_HEAD(pid_list, pid_e);
 454 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 455
 456 /* layout handlers */
 457 void    stack(void);
 458 void    vertical_config(struct workspace *, int);
 459 void    vertical_stack(struct workspace *, struct swm_geometry *);
 460 void    horizontal_config(struct workspace *, int);
 461 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 462 void    max_stack(struct workspace *, struct swm_geometry *);
 463 void    plain_stacker(struct workspace *);
 464 void    fancy_stacker(struct workspace *);
 465
 466 struct layout {
 467         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 468         void            (*l_config)(struct workspace *, int);
 469         u_int32_t       flags;
 470 #define SWM_L_FOCUSPREV         (1<<0)
 471 #define SWM_L_MAPONFOCUS        (1<<1)
 472         void            (*l_string)(struct workspace *);
 473 } layouts[] =  {
 474         /* stack,               configure */
 475         { vertical_stack,       vertical_config,        0,      plain_stacker },
 476         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 477         { max_stack,            NULL,
 478           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 479         { NULL,                 NULL,                   0,      NULL  },
 480 };
 481
 482 /* position of max_stack mode in the layouts array, index into layouts! */
 483 #define SWM_V_STACK             (0)
 484 #define SWM_H_STACK             (1)
 485 #define SWM_MAX_STACK           (2)
 486
 487 #define SWM_H_SLICE             (32)
 488 #define SWM_V_SLICE             (32)
 489
 490 /* define work spaces */
 491 struct workspace {
 492         int                     idx;            /* workspace index */
 493         char                    *name;          /* workspace name */
 494         int                     always_raise;   /* raise windows on focus */
 495         int                     bar_enabled;    /* bar visibility */
 496         struct layout           *cur_layout;    /* current layout handlers */
 497         struct ws_win           *focus;         /* may be NULL */
 498         struct ws_win           *focus_prev;    /* may be NULL */
 499         struct ws_win           *focus_pending; /* may be NULL */
 500         struct swm_region       *r;             /* may be NULL */
 501         struct swm_region       *old_r;         /* may be NULL */
 502         struct ws_win_list      winlist;        /* list of windows in ws */
 503         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 504         char                    stacker[10];    /* display stacker and layout */
 505
 506         /* stacker state */
 507         struct {
 508                                 int horizontal_msize;
 509                                 int horizontal_mwin;
 510                                 int horizontal_stacks;
 511                                 int horizontal_flip;
 512                                 int vertical_msize;
 513                                 int vertical_mwin;
 514                                 int vertical_stacks;
 515                                 int vertical_flip;
 516         } l_state;
 517 };
 518
 519 enum {
 520         SWM_S_COLOR_BAR,
 521         SWM_S_COLOR_BAR_BORDER,
 522         SWM_S_COLOR_BAR_FONT,
 523         SWM_S_COLOR_FOCUS,
 524         SWM_S_COLOR_UNFOCUS,
 525         SWM_S_COLOR_MAX
 526 };
 527
 528 /* physical screen mapping */
 529 #define SWM_WS_MAX              (22)    /* hard limit */
 530 int             workspace_limit = 10;   /* soft limit */
 531
 532 struct swm_screen {
 533         int                     idx;    /* screen index */
 534         struct swm_region_list  rl;     /* list of regions on this screen */
 535         struct swm_region_list  orl;    /* list of old regions */
 536         xcb_window_t            root;
 537         struct workspace        ws[SWM_WS_MAX];
 538
 539         /* colors */
 540         struct {
 541                 uint32_t        pixel;
 542                 char            *name;
 543         } c[SWM_S_COLOR_MAX];
 544
 545         xcb_gcontext_t          bar_gc;
 546         GC                      bar_gc_legacy;
 547 };
 548 struct swm_screen       *screens;
 549
 550 /* args to functions */
 551 union arg {
 552         int                     id;
 553 #define SWM_ARG_ID_FOCUSNEXT    (0)
 554 #define SWM_ARG_ID_FOCUSPREV    (1)
 555 #define SWM_ARG_ID_FOCUSMAIN    (2)
 556 #define SWM_ARG_ID_SWAPNEXT     (10)
 557 #define SWM_ARG_ID_SWAPPREV     (11)
 558 #define SWM_ARG_ID_SWAPMAIN     (12)
 559 #define SWM_ARG_ID_MOVELAST     (13)
 560 #define SWM_ARG_ID_MASTERSHRINK (20)
 561 #define SWM_ARG_ID_MASTERGROW   (21)
 562 #define SWM_ARG_ID_MASTERADD    (22)
 563 #define SWM_ARG_ID_MASTERDEL    (23)
 564 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 565 #define SWM_ARG_ID_STACKRESET   (30)
 566 #define SWM_ARG_ID_STACKINIT    (31)
 567 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 568 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 569 #define SWM_ARG_ID_CYCLESC_UP   (42)
 570 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 571 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 572 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 573 #define SWM_ARG_ID_STACKINC     (50)
 574 #define SWM_ARG_ID_STACKDEC     (51)
 575 #define SWM_ARG_ID_SS_ALL       (60)
 576 #define SWM_ARG_ID_SS_WINDOW    (61)
 577 #define SWM_ARG_ID_DONTCENTER   (70)
 578 #define SWM_ARG_ID_CENTER       (71)
 579 #define SWM_ARG_ID_KILLWINDOW   (80)
 580 #define SWM_ARG_ID_DELETEWINDOW (81)
 581 #define SWM_ARG_ID_WIDTHGROW    (90)
 582 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 583 #define SWM_ARG_ID_HEIGHTGROW   (92)
 584 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 585 #define SWM_ARG_ID_MOVEUP       (100)
 586 #define SWM_ARG_ID_MOVEDOWN     (101)
 587 #define SWM_ARG_ID_MOVELEFT     (102)
 588 #define SWM_ARG_ID_MOVERIGHT    (103)
 589 #define SWM_ARG_ID_BAR_TOGGLE   (110)
 590 #define SWM_ARG_ID_BAR_TOGGLE_WS        (111)
 591         char                    **argv;
 592 };
 593
 594 /* quirks */
 595 struct quirk {
 596         TAILQ_ENTRY(quirk)      entry;
 597         char                    *class;
 598         char                    *name;
 599         unsigned long           quirk;
 600 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 601 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 602 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 603 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 604 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 605 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 606 };
 607 TAILQ_HEAD(quirk_list, quirk);
 608 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 609
 610 /*
 611  * Supported EWMH hints should be added to
 612  * both the enum and the ewmh array
 613  */
 614 enum {
 615         _NET_ACTIVE_WINDOW,
 616         _NET_CLOSE_WINDOW,
 617         _NET_MOVERESIZE_WINDOW,
 618         _NET_WM_ACTION_ABOVE,
 619         _NET_WM_ACTION_CLOSE,
 620         _NET_WM_ACTION_FULLSCREEN,
 621         _NET_WM_ACTION_MOVE,
 622         _NET_WM_ACTION_RESIZE,
 623         _NET_WM_ALLOWED_ACTIONS,
 624         _NET_WM_NAME,
 625         _NET_WM_STATE,
 626         _NET_WM_STATE_ABOVE,
 627         _NET_WM_STATE_FULLSCREEN,
 628         _NET_WM_STATE_HIDDEN,
 629         _NET_WM_STATE_MAXIMIZED_HORZ,
 630         _NET_WM_STATE_MAXIMIZED_VERT,
 631         _NET_WM_STATE_SKIP_PAGER,
 632         _NET_WM_STATE_SKIP_TASKBAR,
 633         _NET_WM_WINDOW_TYPE,
 634         _NET_WM_WINDOW_TYPE_DIALOG,
 635         _NET_WM_WINDOW_TYPE_DOCK,
 636         _NET_WM_WINDOW_TYPE_NORMAL,
 637         _NET_WM_WINDOW_TYPE_SPLASH,
 638         _NET_WM_WINDOW_TYPE_TOOLBAR,
 639         _NET_WM_WINDOW_TYPE_UTILITY,
 640         _SWM_WM_STATE_MANUAL,
 641         SWM_EWMH_HINT_MAX
 642 };
 643
 644 struct ewmh_hint {
 645         char            *name;
 646         xcb_atom_t      atom;
 647 } ewmh[SWM_EWMH_HINT_MAX] =     {
 648     /* must be in same order as in the enum */
 649     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 650     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 651     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 652     {"_NET_WM_ACTION_ABOVE", XCB_ATOM_NONE},
 653     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 654     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 655     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 656     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 657     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 658     {"_NET_WM_NAME", XCB_ATOM_NONE},
 659     {"_NET_WM_STATE", XCB_ATOM_NONE},
 660     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 661     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 662     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 663     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 664     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 665     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 666     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 667     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 668     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 669     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 670     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 671     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 672     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 673     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 674     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 675 };
 676
 677 /* Cursors */
 678 enum {
 679         XC_FLEUR,
 680         XC_LEFT_PTR,
 681         XC_BOTTOM_LEFT_CORNER,
 682         XC_BOTTOM_RIGHT_CORNER,
 683         XC_SIZING,
 684         XC_TOP_LEFT_CORNER,
 685         XC_TOP_RIGHT_CORNER,
 686         XC_MAX
 687 };
 688
 689 struct cursors {
 690         char            *name; /* Name used by Xcursor .*/
 691         uint8_t         cf_char; /* cursorfont index. */
 692         xcb_cursor_t    cid;
 693 } cursors[XC_MAX] =     {
 694         {"fleur", XC_fleur, XCB_CURSOR_NONE},
 695         {"left_ptr", XC_left_ptr, XCB_CURSOR_NONE},
 696         {"bottom_left_corner", XC_bottom_left_corner, XCB_CURSOR_NONE},
 697         {"bottom_right_corner", XC_bottom_right_corner, XCB_CURSOR_NONE},
 698         {"sizing", XC_sizing, XCB_CURSOR_NONE},
 699         {"top_left_corner", XC_top_left_corner, XCB_CURSOR_NONE},
 700         {"top_right_corner", XC_top_right_corner, XCB_CURSOR_NONE},
 701 };
 702
 703 /* spawn */
 704 struct spawn_prog {
 705         TAILQ_ENTRY(spawn_prog) entry;
 706         char                    *name;
 707         int                     argc;
 708         char                    **argv;
 709 };
 710 TAILQ_HEAD(spawn_list, spawn_prog);
 711 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
 712
 713 /* user/key callable function IDs */
 714 enum keyfuncid {
 715         KF_BAR_TOGGLE,
 716         KF_BAR_TOGGLE_WS,
 717         KF_BUTTON2,
 718         KF_CYCLE_LAYOUT,
 719         KF_FLIP_LAYOUT,
 720         KF_FLOAT_TOGGLE,
 721         KF_FOCUS_MAIN,
 722         KF_FOCUS_NEXT,
 723         KF_FOCUS_PREV,
 724         KF_HEIGHT_GROW,
 725         KF_HEIGHT_SHRINK,
 726         KF_ICONIFY,
 727         KF_MASTER_SHRINK,
 728         KF_MASTER_GROW,
 729         KF_MASTER_ADD,
 730         KF_MASTER_DEL,
 731         KF_MOVE_DOWN,
 732         KF_MOVE_LEFT,
 733         KF_MOVE_RIGHT,
 734         KF_MOVE_UP,
 735         KF_MVWS_1,
 736         KF_MVWS_2,
 737         KF_MVWS_3,
 738         KF_MVWS_4,
 739         KF_MVWS_5,
 740         KF_MVWS_6,
 741         KF_MVWS_7,
 742         KF_MVWS_8,
 743         KF_MVWS_9,
 744         KF_MVWS_10,
 745         KF_MVWS_11,
 746         KF_MVWS_12,
 747         KF_MVWS_13,
 748         KF_MVWS_14,
 749         KF_MVWS_15,
 750         KF_MVWS_16,
 751         KF_MVWS_17,
 752         KF_MVWS_18,
 753         KF_MVWS_19,
 754         KF_MVWS_20,
 755         KF_MVWS_21,
 756         KF_MVWS_22,
 757         KF_NAME_WORKSPACE,
 758         KF_QUIT,
 759         KF_RAISE_TOGGLE,
 760         KF_RESTART,
 761         KF_SCREEN_NEXT,
 762         KF_SCREEN_PREV,
 763         KF_SEARCH_WIN,
 764         KF_SEARCH_WORKSPACE,
 765         KF_SPAWN_CUSTOM,
 766         KF_STACK_INC,
 767         KF_STACK_DEC,
 768         KF_STACK_RESET,
 769         KF_SWAP_MAIN,
 770         KF_SWAP_NEXT,
 771         KF_SWAP_PREV,
 772         KF_UNICONIFY,
 773         KF_VERSION,
 774         KF_WIDTH_GROW,
 775         KF_WIDTH_SHRINK,
 776         KF_WIND_DEL,
 777         KF_WIND_KILL,
 778         KF_WS_1,
 779         KF_WS_2,
 780         KF_WS_3,
 781         KF_WS_4,
 782         KF_WS_5,
 783         KF_WS_6,
 784         KF_WS_7,
 785         KF_WS_8,
 786         KF_WS_9,
 787         KF_WS_10,
 788         KF_WS_11,
 789         KF_WS_12,
 790         KF_WS_13,
 791         KF_WS_14,
 792         KF_WS_15,
 793         KF_WS_16,
 794         KF_WS_17,
 795         KF_WS_18,
 796         KF_WS_19,
 797         KF_WS_20,
 798         KF_WS_21,
 799         KF_WS_22,
 800         KF_WS_NEXT,
 801         KF_WS_NEXT_ALL,
 802         KF_WS_PREV,
 803         KF_WS_PREV_ALL,
 804         KF_WS_PRIOR,
 805         KF_DUMPWINS, /* MUST BE LAST */
 806         KF_INVALID
 807 };
 808
 809 struct key {
 810         RB_ENTRY(key)           entry;
 811         unsigned int            mod;
 812         KeySym                  keysym;
 813         enum keyfuncid          funcid;
 814         char                    *spawn_name;
 815 };
 816 RB_HEAD(key_tree, key);
 817
 818 /* function prototypes */
 819 void     adjust_font(struct ws_win *);
 820 void     bar_class_name(char *, size_t, struct swm_region *);
 821 void     bar_class_title_name(char *, size_t, struct swm_region *);
 822 void     bar_cleanup(struct swm_region *);
 823 void     bar_extra_stop(void);
 824 void     bar_fmt(const char *, char *, struct swm_region *, size_t);
 825 void     bar_fmt_expand(char *, size_t);
 826 void     bar_fmt_print(void);
 827 void     bar_print(struct swm_region *, const char *);
 828 void     bar_print_legacy(struct swm_region *, const char *);
 829 void     bar_refresh(void);
 830 void     bar_replace(char *, char *, struct swm_region *, size_t);
 831 void     bar_replace_pad(char *, int *, size_t);
 832 char *   bar_replace_seq(char *, char *, struct swm_region *, size_t *,
 833              size_t);
 834 void     bar_setup(struct swm_region *);
 835 void     bar_title_name(char *, size_t, struct swm_region *);
 836 void     bar_toggle(struct swm_region *, union arg *);
 837 void     bar_update(void);
 838 void     bar_urgent(char *, size_t);
 839 void     bar_window_float(char *, size_t, struct swm_region *);
 840 void     bar_window_name(char *, size_t, struct swm_region *);
 841 void     bar_workspace_name(char *, size_t, struct swm_region *);
 842 void     buttonpress(xcb_button_press_event_t *);
 843 void     check_conn(void);
 844 void     clear_keys(void);
 845 void     clientmessage(xcb_client_message_event_t *);
 846 void     client_msg(struct ws_win *, xcb_atom_t, xcb_timestamp_t);
 847 int      conf_load(const char *, int);
 848 void     configurenotify(xcb_configure_notify_event_t *);
 849 void     configurerequest(xcb_configure_request_event_t *);
 850 void     config_win(struct ws_win *, xcb_configure_request_event_t *);
 851 void     constrain_window(struct ws_win *, struct swm_region *, int);
 852 int      count_win(struct workspace *, int);
 853 void     cursors_cleanup(void);
 854 void     cursors_load(void);
 855 void     custom_region(char *);
 856 void     cyclescr(struct swm_region *, union arg *);
 857 void     cyclews(struct swm_region *, union arg *);
 858 void     cycle_layout(struct swm_region *, union arg *);
 859 void     destroynotify(xcb_destroy_notify_event_t *);
 860 void     dumpwins(struct swm_region *, union arg *);
 861 int      enable_wm(void);
 862 void     enternotify(xcb_enter_notify_event_t *);
 863 void     event_drain(uint8_t);
 864 void     event_error(xcb_generic_error_t *);
 865 void     event_handle(xcb_generic_event_t *);
 866 void     ewmh_autoquirk(struct ws_win *);
 867 void     ewmh_get_win_state(struct ws_win *);
 868 int      ewmh_set_win_fullscreen(struct ws_win *, int);
 869 void     ewmh_update_actions(struct ws_win *);
 870 void     ewmh_update_win_state(struct ws_win *, xcb_atom_t, long);
 871 char    *expand_tilde(const char *);
 872 void     expose(xcb_expose_event_t *);
 873 void     fake_keypress(struct ws_win *, xcb_keysym_t, uint16_t);
 874 struct pid_e    *find_pid(pid_t);
 875 struct ws_win   *find_unmanaged_window(xcb_window_t);
 876 struct ws_win   *find_window(xcb_window_t);
 877 void     floating_toggle(struct swm_region *, union arg *);
 878 int      floating_toggle_win(struct ws_win *);
 879 void     focus(struct swm_region *, union arg *);
 880 #ifdef SWM_DEBUG
 881 void     focusin(xcb_focus_in_event_t *);
 882 void     focusout(xcb_focus_out_event_t *);
 883 #endif
 884 void     focus_flush(void);
 885 void     focus_win(struct ws_win *);
 886 void     fontset_init(void);
 887 void     free_window(struct ws_win *);
 888 xcb_atom_t get_atom_from_string(const char *);
 889 #ifdef SWM_DEBUG
 890 char    *get_atom_name(xcb_atom_t);
 891 #endif
 892 struct ws_win   *get_focus_magic(struct ws_win *);
 893 struct ws_win   *get_focus_prev(struct ws_win *);
 894 #ifdef SWM_DEBUG
 895 char    *get_notify_detail_label(uint8_t);
 896 char    *get_notify_mode_label(uint8_t);
 897 #endif
 898 struct ws_win   *get_pointer_win(xcb_window_t);
 899 struct ws_win   *get_region_focus(struct swm_region *);
 900 xcb_screen_t    *get_screen(int);
 901 #ifdef SWM_DEBUG
 902 char    *get_stack_mode_name(uint8_t);
 903 #endif
 904 int32_t  get_swm_iconic(struct ws_win *);
 905 char    *get_win_name(xcb_window_t);
 906 int      get_ws_idx(xcb_window_t);
 907 uint32_t getstate(xcb_window_t);
 908 void     grabbuttons(struct ws_win *);
 909 void     grabkeys(void);
 910 void     grab_windows(void);
 911 void     iconify(struct swm_region *, union arg *);
 912 int      isxlfd(char *);
 913 void     keypress(xcb_key_press_event_t *);
 914 int      key_cmp(struct key *, struct key *);
 915 void     key_insert(unsigned int, KeySym, enum keyfuncid, const char *);
 916 struct key      *key_lookup(unsigned int, KeySym);
 917 void     key_remove(struct key *);
 918 void     key_replace(struct key *, unsigned int, KeySym, enum keyfuncid,
 919              const char *);
 920 void     kill_refs(struct ws_win *);
 921 #ifdef SWM_DEBUG
 922 void     leavenotify(xcb_leave_notify_event_t *);
 923 #endif
 924 void     load_float_geom(struct ws_win *, struct swm_region *);
 925 struct ws_win   *manage_window(xcb_window_t, uint16_t);
 926 void     map_window(struct ws_win *);
 927 void     mapnotify(xcb_map_notify_event_t *);
 928 void     mappingnotify(xcb_mapping_notify_event_t *);
 929 void     maprequest(xcb_map_request_event_t *);
 930 void     move(struct ws_win *, union arg *);
 931 void     move_step(struct swm_region *, union arg *);
 932 uint32_t name_to_pixel(const char *);
 933 void     name_workspace(struct swm_region *, union arg *);
 934 void     new_region(struct swm_screen *, int, int, int, int);
 935 int      parsekeys(char *, unsigned int, unsigned int *, KeySym *);
 936 int      parsequirks(char *, unsigned long *);
 937 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 938 void     pressbutton(struct swm_region *, union arg *);
 939 void     priorws(struct swm_region *, union arg *);
 940 #ifdef SWM_DEBUG
 941 void     print_win_geom(xcb_window_t);
 942 #endif
 943 void     propertynotify(xcb_property_notify_event_t *);
 944 void     quirk_insert(const char *, const char *, unsigned long);
 945 void     quirk_remove(struct quirk *);
 946 void     quirk_replace(struct quirk *, const char *, const char *,
 947              unsigned long);
 948 void     quit(struct swm_region *, union arg *);
 949 void     raise_toggle(struct swm_region *, union arg *);
 950 void     resize(struct ws_win *, union arg *);
 951 void     resize_step(struct swm_region *, union arg *);
 952 void     restart(struct swm_region *, union arg *);
 953 struct swm_region       *root_to_region(xcb_window_t, int);
 954 void     screenchange(xcb_randr_screen_change_notify_event_t *);
 955 void     scan_xrandr(int);
 956 void     search_do_resp(void);
 957 void     search_resp_name_workspace(const char *, unsigned long);
 958 void     search_resp_search_window(const char *);
 959 void     search_resp_search_workspace(const char *);
 960 void     search_resp_uniconify(const char *, unsigned long);
 961 void     search_win(struct swm_region *, union arg *);
 962 void     search_win_cleanup(void);
 963 void     search_workspace(struct swm_region *, union arg *);
 964 void     send_to_ws(struct swm_region *, union arg *);
 965 int      setautorun(char *, char *, int);
 966 int      setconfbinding(char *, char *, int);
 967 int      setconfcolor(char *, char *, int);
 968 int      setconfmodkey(char *, char *, int);
 969 int      setconfquirk(char *, char *, int);
 970 int      setconfregion(char *, char *, int);
 971 int      setconfspawn(char *, char *, int);
 972 int      setconfvalue(char *, char *, int);
 973 void     setkeybinding(unsigned int, KeySym, enum keyfuncid, const char *);
 974 int      setkeymapping(char *, char *, int);
 975 int      setlayout(char *, char *, int);
 976 void     setquirk(const char *, const char *, unsigned long);
 977 void     setscreencolor(char *, int, int);
 978 void     setspawn(const char *, const char *);
 979 void     setup_ewmh(void);
 980 void     setup_globals(void);
 981 void     setup_keys(void);
 982 void     setup_quirks(void);
 983 void     setup_screens(void);
 984 void     setup_spawn(void);
 985 void     set_child_transient(struct ws_win *, xcb_window_t *);
 986 void     set_swm_iconic(struct ws_win *, int);
 987 void     set_win_state(struct ws_win *, uint16_t);
 988 void     shutdown_cleanup(void);
 989 void     sighdlr(int);
 990 void     socket_setnonblock(int);
 991 void     sort_windows(struct ws_win_list *);
 992 void     spawn(int, union arg *, int);
 993 void     spawn_custom(struct swm_region *, union arg *, const char *);
 994 int      spawn_expand(struct swm_region *, union arg *, const char *, char ***);
 995 void     spawn_insert(const char *, const char *);
 996 void     spawn_remove(struct spawn_prog *);
 997 void     spawn_replace(struct spawn_prog *, const char *, const char *);
 998 void     spawn_select(struct swm_region *, union arg *, const char *, int *);
 999 void     stack_config(struct swm_region *, union arg *);
1000 void     stack_floater(struct ws_win *, struct swm_region *);
1001 void     stack_master(struct workspace *, struct swm_geometry *, int, int);
1002 void     store_float_geom(struct ws_win *, struct swm_region *);
1003 char *   strdupsafe(const char *);
1004 void     swapwin(struct swm_region *, union arg *);
1005 void     switchws(struct swm_region *, union arg *);
1006 void     teardown_ewmh(void);
1007 void     unfocus_win(struct ws_win *);
1008 void     uniconify(struct swm_region *, union arg *);
1009 void     unmanage_window(struct ws_win *);
1010 void     unmapnotify(xcb_unmap_notify_event_t *);
1011 void     unmap_all(void);
1012 void     unmap_window(struct ws_win *);
1013 void     updatenumlockmask(void);
1014 void     update_modkey(unsigned int);
1015 void     update_window(struct ws_win *);
1016 int      validate_win(struct ws_win *);
1017 int      validate_ws(struct workspace *);
1018 /*void   visibilitynotify(xcb_visibility_notify_event_t *);*/
1019 void     version(struct swm_region *, union arg *);
1020 pid_t    window_get_pid(xcb_window_t);
1021 void     wkill(struct swm_region *, union arg *);
1022 void     workaround(void);
1023 void     xft_init(struct swm_region *);
1024
1025 RB_PROTOTYPE(key_tree, key, entry, key_cmp);
1026 RB_GENERATE(key_tree, key, entry, key_cmp);
1027 struct key_tree                 keys;
1028
1029 void
1030 cursors_load(void)
1031 {
1032         xcb_font_t      cf = XCB_NONE;
1033         int             i;
1034
1035         for (i = 0; i < LENGTH(cursors); ++i) {
1036                 /* try to load Xcursor first. */
1037                 cursors[i].cid = XcursorLibraryLoadCursor(display,
1038                     cursors[i].name);
1039
1040                 /* fallback to cursorfont. */
1041                 if (cursors[i].cid == XCB_CURSOR_NONE) {
1042                         if (cf == XCB_NONE) {
1043                                 cf = xcb_generate_id(conn);
1044                                 xcb_open_font(conn, cf, strlen("cursor"),
1045                                     "cursor");
1046                         }
1047
1048                         cursors[i].cid = xcb_generate_id(conn);
1049                         xcb_create_glyph_cursor(conn, cursors[i].cid, cf, cf,
1050                             cursors[i].cf_char, cursors[i].cf_char + 1, 0, 0, 0,
1051                             0xffff, 0xffff, 0xffff);
1052
1053                 }
1054         }
1055
1056         if (cf != XCB_NONE)
1057                 xcb_close_font(conn, cf);
1058 }
1059
1060 void
1061 cursors_cleanup(void)
1062 {
1063         int     i;
1064         for (i = 0; i < LENGTH(cursors); ++i)
1065                 xcb_free_cursor(conn, cursors[i].cid);
1066 }
1067
1068 char *
1069 expand_tilde(const char *s)
1070 {
1071         struct passwd           *ppwd;
1072         int                     i;
1073         long                    max;
1074         char                    *user;
1075         const char              *sc = s;
1076         char                    *result;
1077
1078         if (s == NULL)
1079                 errx(1, "expand_tilde: NULL string.");
1080
1081         if (s[0] != '~') {
1082                 result = strdup(sc);
1083                 goto out;
1084         }
1085
1086         ++s;
1087
1088         if ((max = sysconf(_SC_LOGIN_NAME_MAX)) == -1)
1089                 errx(1, "expand_tilde: sysconf");
1090
1091         if ((user = calloc(1, max + 1)) == NULL)
1092                 errx(1, "expand_tilde: calloc");
1093
1094         for (i = 0; s[i] != '/' && s[i] != '\0'; ++i)
1095                 user[i] = s[i];
1096         user[i] = '\0';
1097         s = &s[i];
1098
1099         ppwd = strlen(user) == 0 ? getpwuid(getuid()) : getpwnam(user);
1100         free(user);
1101
1102         if (ppwd == NULL)
1103                 result = strdup(sc);
1104         else
1105                 if (asprintf(&result, "%s%s", ppwd->pw_dir, s) == -1)
1106                         result = NULL;
1107 out:
1108         if (result == NULL)
1109                 errx(1, "expand_tilde: failed to allocate memory.");
1110
1111         return result;
1112 }
1113
1114 int
1115 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
1116 {
1117         unsigned int    tmpr, tmpg, tmpb;
1118
1119         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
1120                 return (-1);
1121
1122         *rr = RGB_8_TO_16(tmpr);
1123         *gg = RGB_8_TO_16(tmpg);
1124         *bb = RGB_8_TO_16(tmpb);
1125
1126         return (0);
1127 }
1128
1129 xcb_screen_t *
1130 get_screen(int screen)
1131 {
1132         const xcb_setup_t       *r;
1133         xcb_screen_iterator_t   iter;
1134
1135         if ((r = xcb_get_setup(conn)) == NULL) {
1136                 DNPRINTF(SWM_D_MISC, "get_screen: xcb_get_setup\n");
1137                 check_conn();
1138         }
1139
1140         iter = xcb_setup_roots_iterator(r);
1141         for (; iter.rem; --screen, xcb_screen_next(&iter))
1142                 if (screen == 0)
1143                         return (iter.data);
1144
1145         return (NULL);
1146 }
1147
1148 void
1149 focus_flush(void)
1150 {
1151         if (focus_mode == SWM_FOCUS_DEFAULT)
1152                 event_drain(XCB_ENTER_NOTIFY);
1153         else
1154                 xcb_flush(conn);
1155 }
1156
1157 xcb_atom_t
1158 get_atom_from_string(const char *str)
1159 {
1160         xcb_intern_atom_cookie_t        c;
1161         xcb_intern_atom_reply_t         *r;
1162         xcb_atom_t                      atom;
1163
1164         c = xcb_intern_atom(conn, 0, strlen(str), str);
1165         r = xcb_intern_atom_reply(conn, c, NULL);
1166         if (r) {
1167                 atom = r->atom;
1168                 free(r);
1169
1170                 return (atom);
1171         }
1172
1173         return (XCB_ATOM_NONE);
1174 }
1175
1176 void
1177 set_swm_iconic(struct ws_win *win, int newv)
1178 {
1179         int32_t                         v = newv;
1180
1181         win->iconic = newv;
1182
1183         if (newv)
1184                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1185                     a_swm_iconic, XCB_ATOM_INTEGER, 32, 1, &v);
1186         else
1187                 xcb_delete_property(conn, win->id, a_swm_iconic);
1188 }
1189
1190 int32_t
1191 get_swm_iconic(struct ws_win *win)
1192 {
1193         int32_t                         v = 0;
1194         xcb_get_property_reply_t        *pr = NULL;
1195
1196         pr = xcb_get_property_reply(conn,
1197             xcb_get_property(conn, 0, win->id, a_swm_iconic,
1198             XCB_ATOM_INTEGER, 0, 1), NULL);
1199         if (!pr)
1200                 goto out;
1201         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
1202                 goto out;
1203         v = *((int32_t *)xcb_get_property_value(pr));
1204 out:
1205         if (pr)
1206                 free(pr);
1207         return (v);
1208 }
1209
1210 void
1211 setup_ewmh(void)
1212 {
1213         xcb_atom_t                      sup_list;
1214         int                             i, j, num_screens;
1215
1216         sup_list = get_atom_from_string("_NET_SUPPORTED");
1217
1218         for (i = 0; i < LENGTH(ewmh); i++)
1219                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
1220
1221         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1222         for (i = 0; i < num_screens; i++) {
1223                 /* Support check window will be created by workaround(). */
1224
1225                 /* Report supported atoms */
1226                 xcb_delete_property(conn, screens[i].root, sup_list);
1227                 for (j = 0; j < LENGTH(ewmh); j++)
1228                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
1229                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
1230                             &ewmh[j].atom);
1231         }
1232 }
1233
1234 void
1235 teardown_ewmh(void)
1236 {
1237         int                             i, num_screens;
1238         xcb_atom_t                      sup_check, sup_list;
1239         xcb_window_t                    id;
1240         xcb_get_property_cookie_t       pc;
1241         xcb_get_property_reply_t        *pr;
1242
1243         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
1244         sup_list = get_atom_from_string("_NET_SUPPORTED");
1245         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1246
1247         for (i = 0; i < num_screens; i++) {
1248                 /* Get the support check window and destroy it */
1249                 pc = xcb_get_property(conn, 0, screens[i].root, sup_check,
1250                     XCB_ATOM_WINDOW, 0, 1);
1251                 pr = xcb_get_property_reply(conn, pc, NULL);
1252                 if (!pr)
1253                         continue;
1254                 if (pr->format == sup_check) {
1255                         id = *((xcb_window_t *)xcb_get_property_value(pr));
1256
1257                         xcb_destroy_window(conn, id);
1258                         xcb_delete_property(conn, screens[i].root, sup_check);
1259                         xcb_delete_property(conn, screens[i].root, sup_list);
1260                 }
1261                 free(pr);
1262         }
1263 }
1264
1265 void
1266 ewmh_autoquirk(struct ws_win *win)
1267 {
1268         uint32_t                i, n;
1269         xcb_atom_t              *type;
1270         xcb_get_property_cookie_t       c;
1271         xcb_get_property_reply_t        *r;
1272
1273         c = xcb_get_property(conn, 0, win->id,
1274             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
1275         r = xcb_get_property_reply(conn, c, NULL);
1276         if (!r)
1277                 return;
1278
1279         n = xcb_get_property_value_length(r);
1280         type = xcb_get_property_value(r);
1281
1282         for (i = 0; i < n; i++) {
1283                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
1284                         break;
1285                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
1286                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
1287                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
1288                         win->floating = 1;
1289                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
1290                         break;
1291                 }
1292                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
1293                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
1294                         win->floating = 1;
1295                         win->quirks = SWM_Q_FLOAT;
1296                         break;
1297                 }
1298         }
1299         free(r);
1300 }
1301
1302 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
1303 #define EWMH_F_FULLSCREEN               (1<<0)
1304 #define EWMH_F_ABOVE                    (1<<1)
1305 #define EWMH_F_HIDDEN                   (1<<2)
1306 #define EWMH_F_SKIP_PAGER               (1<<3)
1307 #define EWMH_F_SKIP_TASKBAR             (1<<4)
1308 #define SWM_F_MANUAL                    (1<<5)
1309
1310 int
1311 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
1312 {
1313         if (!win->ws->r)
1314                 return (0);
1315
1316         if (!win->floating)
1317                 return (0);
1318
1319         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
1320             "fullscreen %s\n", win->id, YESNO(fs));
1321
1322         if (fs) {
1323                 if (!win->g_floatvalid)
1324                         store_float_geom(win, win->ws->r);
1325
1326                 win->g = win->ws->r->g;
1327                 win->bordered = 0;
1328         } else {
1329                 load_float_geom(win, win->ws->r);
1330         }
1331
1332         return (1);
1333 }
1334
1335 void
1336 ewmh_update_actions(struct ws_win *win)
1337 {
1338         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
1339         int                     n = 0;
1340
1341         if (win == NULL)
1342                 return;
1343
1344         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
1345
1346         if (win->floating) {
1347                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
1348                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
1349                 actions[n++] = ewmh[_NET_WM_ACTION_ABOVE].atom;
1350         }
1351
1352         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1353             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
1354 }
1355
1356 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
1357 #define _NET_WM_STATE_ADD       1    /* add/set property */
1358 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
1359
1360 void
1361 ewmh_update_win_state(struct ws_win *win, xcb_atom_t state, long action)
1362 {
1363         unsigned int            mask = 0;
1364         unsigned int            changed = 0;
1365         unsigned int            orig_flags;
1366
1367         if (win == NULL)
1368                 return;
1369
1370         DNPRINTF(SWM_D_PROP, "ewmh_update_win_state: window: 0x%x, state: %ld, "
1371             "action: %ld\n", win->id, (unsigned long)state, action);
1372
1373         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1374                 mask = EWMH_F_FULLSCREEN;
1375         else if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
1376                 mask = EWMH_F_ABOVE;
1377         else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1378                 mask = SWM_F_MANUAL;
1379         else if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
1380                 mask = EWMH_F_SKIP_PAGER;
1381         else if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
1382                 mask = EWMH_F_SKIP_TASKBAR;
1383
1384         orig_flags = win->ewmh_flags;
1385
1386         switch (action) {
1387         case _NET_WM_STATE_REMOVE:
1388                 win->ewmh_flags &= ~mask;
1389                 break;
1390         case _NET_WM_STATE_ADD:
1391                 win->ewmh_flags |= mask;
1392                 break;
1393         case _NET_WM_STATE_TOGGLE:
1394                 win->ewmh_flags ^= mask;
1395                 break;
1396         }
1397
1398         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
1399
1400         if (state == ewmh[_NET_WM_STATE_ABOVE].atom) {
1401                 if (changed && !floating_toggle_win(win))
1402                                 win->ewmh_flags = orig_flags; /* revert */
1403         } else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom) {
1404                 if (changed)
1405                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
1406         } else if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom) {
1407                 if (changed && !ewmh_set_win_fullscreen(win,
1408                             win->ewmh_flags & EWMH_F_FULLSCREEN))
1409                                 win->ewmh_flags = orig_flags; /* revert */
1410         }
1411
1412         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
1413
1414         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
1415                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1416                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1417                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
1418         else if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1419                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1420                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1421                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1422         else if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1423                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1424                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1425                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1426         else if (win->ewmh_flags & EWMH_F_ABOVE)
1427                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1428                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1429                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1430         else if (win->ewmh_flags & SWM_F_MANUAL)
1431                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1432                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1433                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1434 }
1435
1436 void
1437 ewmh_get_win_state(struct ws_win *win)
1438 {
1439         xcb_atom_t                      *states;
1440         xcb_get_property_cookie_t       c;
1441         xcb_get_property_reply_t        *r;
1442         int                             i, n;
1443
1444         if (win == NULL)
1445                 return;
1446
1447         win->ewmh_flags = 0;
1448         if (win->floating)
1449                 win->ewmh_flags |= EWMH_F_ABOVE;
1450         if (win->manual)
1451                 win->ewmh_flags |= SWM_F_MANUAL;
1452
1453         c = xcb_get_property(conn, 0, win->id, ewmh[_NET_WM_STATE].atom,
1454             XCB_ATOM_ATOM, 0, UINT32_MAX);
1455         r = xcb_get_property_reply(conn, c, NULL);
1456         if (!r)
1457                 return;
1458
1459         states = xcb_get_property_value(r);
1460         n = xcb_get_property_value_length(r);
1461
1462         for (i = 0; i < n; i++)
1463                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1464
1465         free(r);
1466 }
1467
1468 /* events */
1469 #ifdef SWM_DEBUG
1470 void
1471 dumpwins(struct swm_region *r, union arg *args)
1472 {
1473         struct ws_win                           *win;
1474         uint32_t                                state;
1475         xcb_get_window_attributes_cookie_t      c;
1476         xcb_get_window_attributes_reply_t       *wa;
1477
1478         /* suppress unused warning since var is needed */
1479         (void)args;
1480
1481         if (r->ws == NULL) {
1482                 warnx("dumpwins: invalid workspace");
1483                 return;
1484         }
1485
1486         warnx("=== managed window list ws %02d ===", r->ws->idx);
1487         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1488                 state = getstate(win->id);
1489                 c = xcb_get_window_attributes(conn, win->id);
1490                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1491                 if (wa) {
1492                         warnx("window: 0x%x, map_state: %d, state: %u, "
1493                             "transient: 0x%x", win->id, wa->map_state,
1494                             state, win->transient);
1495                         free(wa);
1496                 } else
1497                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1498                             win->id);
1499         }
1500
1501         warnx("===== unmanaged window list =====");
1502         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1503                 state = getstate(win->id);
1504                 c = xcb_get_window_attributes(conn, win->id);
1505                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1506                 if (wa) {
1507                         warnx("window: 0x%x, map_state: %d, state: %u, "
1508                             "transient: 0x%x", win->id, wa->map_state,
1509                             state, win->transient);
1510                         free(wa);
1511                 } else
1512                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1513                             win->id);
1514         }
1515
1516         warnx("=================================");
1517 }
1518 #else
1519 void
1520 dumpwins(struct swm_region *r, union arg *s)
1521 {
1522         (void)r;
1523         (void)s;
1524 }
1525 #endif /* SWM_DEBUG */
1526
1527 void
1528 sighdlr(int sig)
1529 {
1530         int                     saved_errno, status;
1531         pid_t                   pid;
1532
1533         saved_errno = errno;
1534
1535         switch (sig) {
1536         case SIGCHLD:
1537                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1538                         if (pid == -1) {
1539                                 if (errno == EINTR)
1540                                         continue;
1541 #ifdef SWM_DEBUG
1542                                 if (errno != ECHILD)
1543                                         warn("sighdlr: waitpid");
1544 #endif /* SWM_DEBUG */
1545                                 break;
1546                         }
1547                         if (pid == searchpid)
1548                                 search_resp = 1;
1549
1550 #ifdef SWM_DEBUG
1551                         if (WIFEXITED(status)) {
1552                                 if (WEXITSTATUS(status) != 0)
1553                                         warnx("sighdlr: child exit status: %d",
1554                                             WEXITSTATUS(status));
1555                         } else
1556                                 warnx("sighdlr: child is terminated "
1557                                     "abnormally");
1558 #endif /* SWM_DEBUG */
1559                 }
1560                 break;
1561
1562         case SIGHUP:
1563                 restart_wm = 1;
1564                 break;
1565         case SIGINT:
1566         case SIGTERM:
1567         case SIGQUIT:
1568                 running = 0;
1569                 break;
1570         }
1571
1572         errno = saved_errno;
1573 }
1574
1575 struct pid_e *
1576 find_pid(pid_t pid)
1577 {
1578         struct pid_e            *p = NULL;
1579
1580         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1581
1582         if (pid == 0)
1583                 return (NULL);
1584
1585         TAILQ_FOREACH(p, &pidlist, entry) {
1586                 if (p->pid == pid)
1587                         return (p);
1588         }
1589
1590         return (NULL);
1591 }
1592
1593 uint32_t
1594 name_to_pixel(const char *colorname)
1595 {
1596         uint32_t                        result = 0;
1597         char                            cname[32] = "#";
1598         xcb_screen_t                    *screen;
1599         xcb_colormap_t                  cmap;
1600         xcb_alloc_color_reply_t         *cr;
1601         xcb_alloc_named_color_reply_t   *nr;
1602         uint16_t                        rr, gg, bb;
1603
1604         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1605         cmap = screen->default_colormap;
1606
1607         /* color is in format rgb://rr/gg/bb */
1608         if (strncmp(colorname, "rgb:", 4) == 0) {
1609                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1610                         warnx("could not parse rgb %s", colorname);
1611                 else {
1612                         cr = xcb_alloc_color_reply(conn,
1613                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1614                             NULL);
1615                         if (cr) {
1616                                 result = cr->pixel;
1617                                 free(cr);
1618                         } else
1619                                 warnx("color '%s' not found", colorname);
1620                 }
1621         } else {
1622                 nr = xcb_alloc_named_color_reply(conn,
1623                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1624                             colorname), NULL);
1625                 if (!nr) {
1626                         strlcat(cname, colorname + 2, sizeof cname - 1);
1627                         nr = xcb_alloc_named_color_reply(conn,
1628                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1629                             cname), NULL);
1630                 }
1631                 if (nr) {
1632                         result = nr->pixel;
1633                         free(nr);
1634                 } else
1635                         warnx("color '%s' not found", colorname);
1636         }
1637
1638         return (result);
1639 }
1640
1641 void
1642 setscreencolor(char *val, int i, int c)
1643 {
1644         int     num_screens;
1645
1646         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1647         if (i > 0 && i <= num_screens) {
1648                 screens[i - 1].c[c].pixel = name_to_pixel(val);
1649                 free(screens[i - 1].c[c].name);
1650                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1651                         err(1, "strdup");
1652         } else if (i == -1) {
1653                 for (i = 0; i < num_screens; i++) {
1654                         screens[i].c[c].pixel = name_to_pixel(val);
1655                         free(screens[i].c[c].name);
1656                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1657                                 err(1, "strdup");
1658                 }
1659         } else
1660                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1661                     i, num_screens);
1662 }
1663
1664 void
1665 fancy_stacker(struct workspace *ws)
1666 {
1667         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1668         if (ws->cur_layout->l_stack == vertical_stack)
1669                 snprintf(ws->stacker, sizeof ws->stacker,
1670                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1671                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1672         if (ws->cur_layout->l_stack == horizontal_stack)
1673                 snprintf(ws->stacker, sizeof ws->stacker,
1674                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1675                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1676 }
1677
1678 void
1679 plain_stacker(struct workspace *ws)
1680 {
1681         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1682         if (ws->cur_layout->l_stack == vertical_stack)
1683                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1684                     sizeof ws->stacker);
1685         if (ws->cur_layout->l_stack == horizontal_stack)
1686                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1687                     sizeof ws->stacker);
1688 }
1689
1690 void
1691 custom_region(char *val)
1692 {
1693         unsigned int                    x, y, w, h;
1694         int                             sidx, num_screens;
1695         xcb_screen_t                    *screen;
1696
1697         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1698         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1699                 errx(1, "invalid custom region, "
1700                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1701         if (sidx < 1 || sidx > num_screens)
1702                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1703                     sidx, num_screens);
1704         sidx--;
1705
1706         if ((screen = get_screen(sidx)) == NULL)
1707                 errx(1, "ERROR: can't get screen %d.", sidx);
1708
1709         if (w < 1 || h < 1)
1710                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1711
1712         if (x > screen->width_in_pixels ||
1713             y > screen->height_in_pixels ||
1714             w + x > screen->width_in_pixels ||
1715             h + y > screen->height_in_pixels) {
1716                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1717                     "boundaries (%ux%u)", w, h, x, y,
1718                     screen->width_in_pixels, screen->height_in_pixels);
1719                 return;
1720         }
1721
1722         new_region(&screens[sidx], x, y, w, h);
1723 }
1724
1725 void
1726 socket_setnonblock(int fd)
1727 {
1728         int                     flags;
1729
1730         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1731                 err(1, "fcntl F_GETFL");
1732         flags |= O_NONBLOCK;
1733         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1734                 err(1, "fcntl F_SETFL");
1735 }
1736
1737 void
1738 bar_print_legacy(struct swm_region *r, const char *s)
1739 {
1740         xcb_rectangle_t         rect;
1741         uint32_t                gcv[1];
1742         XGCValues               gcvd;
1743         int                     x = 0;
1744         size_t                  len;
1745         XRectangle              ibox, lbox;
1746         GC                      draw;
1747
1748         len = strlen(s);
1749         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1750
1751         switch (bar_justify) {
1752         case SWM_BAR_JUSTIFY_LEFT:
1753                 x = SWM_BAR_OFFSET;
1754                 break;
1755         case SWM_BAR_JUSTIFY_CENTER:
1756                 x = (WIDTH(r) - lbox.width) / 2;
1757                 break;
1758         case SWM_BAR_JUSTIFY_RIGHT:
1759                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1760                 break;
1761         }
1762
1763         if (x < SWM_BAR_OFFSET)
1764                 x = SWM_BAR_OFFSET;
1765
1766         rect.x = 0;
1767         rect.y = 0;
1768         rect.width = WIDTH(r->bar);
1769         rect.height = HEIGHT(r->bar);
1770
1771         /* clear back buffer */
1772         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1773         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1774         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1775
1776         /* draw back buffer */
1777         gcvd.graphics_exposures = 0;
1778         draw = XCreateGC(display, r->bar->buffer, GCGraphicsExposures, &gcvd);
1779         XSetForeground(display, draw, r->s->c[SWM_S_COLOR_BAR_FONT].pixel);
1780         DRAWSTRING(display, r->bar->buffer, bar_fs, draw,
1781             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1782             lbox.y, s, len);
1783         XFreeGC(display, draw);
1784
1785         /* blt */
1786         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1787             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1788 }
1789
1790 void
1791 bar_print(struct swm_region *r, const char *s)
1792 {
1793         size_t                          len;
1794         xcb_rectangle_t                 rect;
1795         uint32_t                        gcv[1];
1796         int32_t                         x = 0;
1797         XGlyphInfo                      info;
1798         XftDraw                         *draw;
1799
1800         len = strlen(s);
1801
1802         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
1803
1804         switch (bar_justify) {
1805         case SWM_BAR_JUSTIFY_LEFT:
1806                 x = SWM_BAR_OFFSET;
1807                 break;
1808         case SWM_BAR_JUSTIFY_CENTER:
1809                 x = (WIDTH(r) - info.width) / 2;
1810                 break;
1811         case SWM_BAR_JUSTIFY_RIGHT:
1812                 x = WIDTH(r) - info.width - SWM_BAR_OFFSET;
1813                 break;
1814         }
1815
1816         if (x < SWM_BAR_OFFSET)
1817                 x = SWM_BAR_OFFSET;
1818
1819         rect.x = 0;
1820         rect.y = 0;
1821         rect.width = WIDTH(r->bar);
1822         rect.height = HEIGHT(r->bar);
1823
1824         /* clear back buffer */
1825         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1826         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1827         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1828
1829         /* draw back buffer */
1830         draw = XftDrawCreate(display, r->bar->buffer,
1831             DefaultVisual(display, r->s->idx),
1832             DefaultColormap(display, r->s->idx));
1833
1834         XftDrawStringUtf8(draw, &bar_font_color, bar_font, x,
1835             (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
1836             (FcChar8 *)s, len);
1837
1838         XftDrawDestroy(draw);
1839
1840         /* blt */
1841         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1842             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1843 }
1844
1845 void
1846 bar_extra_stop(void)
1847 {
1848         if (bar_pipe[0]) {
1849                 close(bar_pipe[0]);
1850                 bzero(bar_pipe, sizeof bar_pipe);
1851         }
1852         if (bar_pid) {
1853                 kill(bar_pid, SIGTERM);
1854                 bar_pid = 0;
1855         }
1856         strlcpy(bar_ext, "", sizeof bar_ext);
1857         bar_extra = 0;
1858 }
1859
1860 void
1861 bar_class_name(char *s, size_t sz, struct swm_region *r)
1862 {
1863         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1864                 return;
1865         if (r->ws->focus->ch.class_name != NULL)
1866                 strlcat(s, r->ws->focus->ch.class_name, sz);
1867 }
1868
1869 void
1870 bar_title_name(char *s, size_t sz, struct swm_region *r)
1871 {
1872         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1873                 return;
1874         if (r->ws->focus->ch.instance_name != NULL)
1875                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1876 }
1877
1878 void
1879 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1880 {
1881         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1882                 return;
1883
1884         bar_class_name(s, sz, r);
1885         strlcat(s, ":", sz);
1886         bar_title_name(s, sz, r);
1887 }
1888
1889 void
1890 bar_window_float(char *s, size_t sz, struct swm_region *r)
1891 {
1892         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1893                 return;
1894         if (r->ws->focus->floating)
1895                 strlcat(s, "(f)", sz);
1896 }
1897
1898 void
1899 bar_window_name(char *s, size_t sz, struct swm_region *r)
1900 {
1901         char            *title;
1902
1903         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1904                 return;
1905         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1906                 return;
1907
1908         strlcat(s, title, sz);
1909         free(title);
1910 }
1911
1912 int             urgent[SWM_WS_MAX];
1913 void
1914 bar_urgent(char *s, size_t sz)
1915 {
1916         struct ws_win           *win;
1917         int                     i, j, num_screens;
1918         char                    b[8];
1919         xcb_get_property_cookie_t       c;
1920         xcb_icccm_wm_hints_t    hints;
1921
1922         for (i = 0; i < workspace_limit; i++)
1923                 urgent[i] = 0;
1924
1925         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1926         for (i = 0; i < num_screens; i++)
1927                 for (j = 0; j < workspace_limit; j++)
1928                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1929                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1930                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1931                                     &hints, NULL) == 0)
1932                                         continue;
1933                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1934                                         urgent[j] = 1;
1935                         }
1936
1937         for (i = 0; i < workspace_limit; i++) {
1938                 if (urgent[i])
1939                         snprintf(b, sizeof b, "%d ", i + 1);
1940                 else
1941                         snprintf(b, sizeof b, "- ");
1942                 strlcat(s, b, sz);
1943         }
1944 }
1945
1946 void
1947 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1948 {
1949         if (r == NULL || r->ws == NULL)
1950                 return;
1951         if (r->ws->name != NULL)
1952                 strlcat(s, r->ws->name, sz);
1953 }
1954
1955 /* build the default bar format according to the defined enabled options */
1956 void
1957 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1958 {
1959         /* if format provided, just copy the buffers */
1960         if (bar_format != NULL) {
1961                 strlcpy(fmtnew, fmtexp, sz);
1962                 return;
1963         }
1964
1965         /* reset the output buffer */
1966         *fmtnew = '\0';
1967
1968         strlcat(fmtnew, "+N:+I ", sz);
1969         if (stack_enabled)
1970                 strlcat(fmtnew, "+S", sz);
1971         strlcat(fmtnew, " ", sz);
1972
1973         /* only show the workspace name if there's actually one */
1974         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1975                 strlcat(fmtnew, "<+D>", sz);
1976         strlcat(fmtnew, "+3<", sz);
1977
1978         if (clock_enabled) {
1979                 strlcat(fmtnew, fmtexp, sz);
1980                 strlcat(fmtnew, "+4<", sz);
1981         }
1982
1983         /* bar_urgent already adds the space before the last asterisk */
1984         if (urgent_enabled)
1985                 strlcat(fmtnew, "* +U*+4<", sz);
1986
1987         if (title_class_enabled) {
1988                 strlcat(fmtnew, "+C", sz);
1989                 if (!title_name_enabled)
1990                         strlcat(fmtnew, "+4<", sz);
1991         }
1992
1993         /* checks needed by the colon and floating strlcat(3) calls below */
1994         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1995                 if (title_name_enabled) {
1996                         if (title_class_enabled)
1997                                 strlcat(fmtnew, ":", sz);
1998                         strlcat(fmtnew, "+T+4<", sz);
1999                 }
2000                 if (window_name_enabled) {
2001                         if (r->ws->focus->floating)
2002                                 strlcat(fmtnew, "+F ", sz);
2003                         strlcat(fmtnew, "+64W ", sz);
2004                 }
2005         }
2006
2007         /* finally add the action script output and the version */
2008         strlcat(fmtnew, "+4<+A+4<+V", sz);
2009 }
2010
2011 void
2012 bar_replace_pad(char *tmp, int *limit, size_t sz)
2013 {
2014         /* special case; no limit given, pad one space, instead */
2015         if (*limit == (int)sz - 1)
2016                 *limit = 1;
2017         snprintf(tmp, sz, "%*s", *limit, " ");
2018 }
2019
2020 /* replaces the bar format character sequences (like in tmux(1)) */
2021 char *
2022 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
2023     size_t sz)
2024 {
2025         char                    *ptr;
2026         char                    tmp[SWM_BAR_MAX];
2027         int                     limit, size;
2028         size_t                  len;
2029
2030         /* reset strlcat(3) buffer */
2031         *tmp = '\0';
2032
2033         /* get number, if any */
2034         fmt++;
2035         size = 0;
2036         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
2037                 limit = sizeof tmp - 1;
2038         if (limit <= 0 || limit >= (int)sizeof tmp)
2039                 limit = sizeof tmp - 1;
2040
2041         /* there is nothing to replace (ie EOL) */
2042         fmt += size;
2043         if (*fmt == '\0')
2044                 return (fmt);
2045
2046         switch (*fmt) {
2047         case '<':
2048                 bar_replace_pad(tmp, &limit, sizeof tmp);
2049                 break;
2050         case 'A':
2051                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
2052                 break;
2053         case 'C':
2054                 bar_class_name(tmp, sizeof tmp, r);
2055                 break;
2056         case 'D':
2057                 bar_workspace_name(tmp, sizeof tmp, r);
2058                 break;
2059         case 'F':
2060                 bar_window_float(tmp, sizeof tmp, r);
2061                 break;
2062         case 'I':
2063                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
2064                 break;
2065         case 'N':
2066                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
2067                 break;
2068         case 'P':
2069                 bar_class_title_name(tmp, sizeof tmp, r);
2070                 break;
2071         case 'S':
2072                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
2073                 break;
2074         case 'T':
2075                 bar_title_name(tmp, sizeof tmp, r);
2076                 break;
2077         case 'U':
2078                 bar_urgent(tmp, sizeof tmp);
2079                 break;
2080         case 'V':
2081                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
2082                 break;
2083         case 'W':
2084                 bar_window_name(tmp, sizeof tmp, r);
2085                 break;
2086         default:
2087                 /* unknown character sequence; copy as-is */
2088                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
2089                 break;
2090         }
2091
2092         len = strlen(tmp);
2093         ptr = tmp;
2094         if ((int)len < limit)
2095                 limit = len;
2096         while (limit-- > 0) {
2097                 if (*offrep >= sz - 1)
2098                         break;
2099                 fmtrep[(*offrep)++] = *ptr++;
2100         }
2101
2102         fmt++;
2103         return (fmt);
2104 }
2105
2106 void
2107 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
2108 {
2109         size_t                  off;
2110
2111         off = 0;
2112         while (*fmt != '\0') {
2113                 if (*fmt != '+') {
2114                         /* skip ordinary characters */
2115                         if (off >= sz - 1)
2116                                 break;
2117                         fmtrep[off++] = *fmt++;
2118                         continue;
2119                 }
2120
2121                 /* character sequence found; replace it */
2122                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
2123                 if (off >= sz - 1)
2124                         break;
2125         }
2126
2127         fmtrep[off] = '\0';
2128 }
2129
2130 void
2131 bar_fmt_expand(char *fmtexp, size_t sz)
2132 {
2133         char                    *fmt = NULL;
2134         size_t                  len;
2135         struct tm               tm;
2136         time_t                  tmt;
2137
2138         /* start by grabbing the current time and date */
2139         time(&tmt);
2140         localtime_r(&tmt, &tm);
2141
2142         /* figure out what to expand */
2143         if (bar_format != NULL)
2144                 fmt = bar_format;
2145         else if (bar_format == NULL && clock_enabled)
2146                 fmt = clock_format;
2147         /* if nothing to expand bail out */
2148         if (fmt == NULL) {
2149                 *fmtexp = '\0';
2150                 return;
2151         }
2152
2153         /* copy as-is, just in case the format shouldn't be expanded below */
2154         strlcpy(fmtexp, fmt, sz);
2155         /* finally pass the string through strftime(3) */
2156 #ifndef SWM_DENY_CLOCK_FORMAT
2157         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
2158                 warnx("format too long");
2159         fmtexp[len] = '\0';
2160 #endif
2161 }
2162
2163 void
2164 bar_fmt_print(void)
2165 {
2166         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
2167         char                    fmtrep[SWM_BAR_MAX];
2168         int                     i, num_screens;
2169         struct swm_region       *r;
2170
2171         /* expand the format by first passing it through strftime(3) */
2172         bar_fmt_expand(fmtexp, sizeof fmtexp);
2173
2174         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2175         for (i = 0; i < num_screens; i++) {
2176                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2177                         if (r->bar == NULL)
2178                                 continue;
2179
2180                         if (r->ws->bar_enabled)
2181                                 xcb_map_window(conn, r->bar->id);
2182                         else {
2183                                 xcb_unmap_window(conn, r->bar->id);
2184                                 continue;
2185                         }
2186
2187                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
2188                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
2189                         if (bar_font_legacy)
2190                                 bar_print_legacy(r, fmtrep);
2191                         else
2192                                 bar_print(r, fmtrep);
2193                 }
2194         }
2195 }
2196
2197 void
2198 bar_update(void)
2199 {
2200         size_t          len;
2201         char            b[SWM_BAR_MAX];
2202
2203         if (bar_enabled && bar_extra && bar_extra_running) {
2204                 while (fgets(b, sizeof(b), stdin) != NULL) {
2205                         len = strlen(b);
2206                         if (b[len - 1] == '\n') {
2207                                 /* Remove newline. */
2208                                 b[--len] = '\0';
2209
2210                                 /* "Clear" bar_ext. */
2211                                 bar_ext[0] = '\0';
2212
2213                                 /* Flush buffered output. */
2214                                 strlcpy(bar_ext, bar_ext_buf, sizeof(bar_ext));
2215                                 bar_ext_buf[0] = '\0';
2216
2217                                 /* Append new output to bar. */
2218                                 strlcat(bar_ext, b, sizeof(bar_ext));
2219                         } else {
2220                                 /* Buffer output. */
2221                                 strlcat(bar_ext_buf, b, sizeof(bar_ext_buf));
2222                         }
2223                 }
2224
2225                 if (errno != EAGAIN) {
2226                         warn("bar_update: bar_extra failed");
2227                         bar_extra_stop();
2228                 }
2229         } else {
2230                 /*
2231                  * Attempt to drain stdin, so it doesn't cause the main loop to
2232                  * call us as fast as it can.
2233                  */
2234                 fgets(b, sizeof(b), stdin);
2235
2236                 if (!bar_enabled)
2237                         return;
2238
2239                 bar_ext[0] = '\0';
2240         }
2241
2242         bar_fmt_print();
2243 }
2244
2245 void
2246 bar_toggle(struct swm_region *r, union arg *args)
2247 {
2248         struct swm_region       *tmpr;
2249         int                     i, num_screens;
2250
2251         /* suppress unused warnings since vars are needed */
2252         (void)r;
2253         (void)args;
2254
2255         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
2256
2257         switch (args->id) {
2258         case SWM_ARG_ID_BAR_TOGGLE_WS:
2259                 /* Only change if master switch is enabled. */
2260                 if (bar_enabled)
2261                         r->ws->bar_enabled = !r->ws->bar_enabled;
2262                 else
2263                         bar_enabled = r->ws->bar_enabled = 1;
2264                 break;
2265         case SWM_ARG_ID_BAR_TOGGLE:
2266                 bar_enabled = !bar_enabled;
2267                 break;
2268         }
2269
2270         /* update bars as necessary */
2271         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2272         for (i = 0; i < num_screens; i++)
2273                 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
2274                         if (tmpr->bar) {
2275                                 if (bar_enabled && tmpr->ws->bar_enabled)
2276                                         xcb_map_window(conn, tmpr->bar->id);
2277                                 else
2278                                         xcb_unmap_window(conn, tmpr->bar->id);
2279                         }
2280
2281         stack();
2282
2283         /* must be after stack */
2284         bar_update();
2285
2286         focus_flush();
2287 }
2288
2289 void
2290 bar_refresh(void)
2291 {
2292         struct swm_region       *r;
2293         uint32_t                wa[2];
2294         int                     i, num_screens;
2295
2296         /* do this here because the conf file is in memory */
2297         if (bar_extra && !bar_extra_running && bar_argv[0]) {
2298                 /* launch external status app */
2299                 bar_extra_running = 1;
2300                 if (pipe(bar_pipe) == -1)
2301                         err(1, "pipe error");
2302                 socket_setnonblock(bar_pipe[0]);
2303                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
2304
2305                 /* Set stdin to read from the pipe. */
2306                 if (dup2(bar_pipe[0], 0) == -1)
2307                         err(1, "dup2");
2308
2309                 /* Set stdout to write to the pipe. */
2310                 if (dup2(bar_pipe[1], 1) == -1)
2311                         err(1, "dup2");
2312
2313                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
2314                         err(1, "could not disable SIGPIPE");
2315                 switch (bar_pid = fork()) {
2316                 case -1:
2317                         err(1, "cannot fork");
2318                         break;
2319                 case 0: /* child */
2320                         close(bar_pipe[0]);
2321                         execvp(bar_argv[0], bar_argv);
2322                         err(1, "%s external app failed", bar_argv[0]);
2323                         break;
2324                 default: /* parent */
2325                         close(bar_pipe[1]);
2326                         break;
2327                 }
2328         }
2329
2330         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2331         for (i = 0; i < num_screens; i++)
2332                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2333                         if (r->bar == NULL)
2334                                 continue;
2335                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].pixel;
2336                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].pixel;
2337                         xcb_change_window_attributes(conn, r->bar->id,
2338                             XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
2339                 }
2340
2341         bar_update();
2342         xcb_flush(conn);
2343 }
2344
2345 int
2346 isxlfd(char *s)
2347 {
2348         int      count = 0;
2349
2350         while ((s = index(s, '-'))) {
2351                 ++count;
2352                 ++s;
2353         }
2354
2355         return (count == 14);
2356 }
2357
2358 void
2359 fontset_init(void)
2360 {
2361         char                    *default_string;
2362         char                    **missing_charsets;
2363         int                     num_missing_charsets = 0;
2364         int                     i;
2365
2366         if (bar_fs) {
2367                 XFreeFontSet(display, bar_fs);
2368                 bar_fs = NULL;
2369         }
2370
2371         DNPRINTF(SWM_D_INIT, "fontset_init: loading bar_fonts: %s\n", bar_fonts);
2372
2373         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
2374             &num_missing_charsets, &default_string);
2375
2376         if (num_missing_charsets > 0) {
2377                 warnx("Unable to load charset(s):");
2378
2379                 for (i = 0; i < num_missing_charsets; ++i)
2380                         warnx("%s", missing_charsets[i]);
2381
2382                 XFreeStringList(missing_charsets);
2383
2384                 if (strcmp(default_string, ""))
2385                         warnx("Glyphs from those sets will be replaced "
2386                             "by '%s'.", default_string);
2387                 else
2388                         warnx("Glyphs from those sets won't be drawn.");
2389         }
2390
2391         if (bar_fs == NULL)
2392                 errx(1, "Error creating font set structure.");
2393
2394         bar_fs_extents = XExtentsOfFontSet(bar_fs);
2395
2396         bar_height = bar_fs_extents->max_logical_extent.height +
2397             2 * bar_border_width;
2398
2399         if (bar_height < 1)
2400                 bar_height = 1;
2401 }
2402
2403 void
2404 xft_init(struct swm_region *r)
2405 {
2406         char                    *font, *d, *search;
2407         XRenderColor            color;
2408
2409         if (bar_font == NULL) {
2410                 if ((d = strdup(bar_fonts)) == NULL)
2411                         errx(1, "insufficient memory.");
2412                 search = d;
2413                 while ((font = strsep(&search, ",")) != NULL) {
2414                         if (*font == '\0')
2415                                 continue;
2416
2417                         DNPRINTF(SWM_D_INIT, "xft_init: try font %s\n", font);
2418
2419                         if (isxlfd(font)) {
2420                                 bar_font = XftFontOpenXlfd(display, r->s->idx,
2421                                                 font);
2422                         } else {
2423                                 bar_font = XftFontOpenName(display, r->s->idx,
2424                                                 font);
2425                         }
2426
2427                         if (!bar_font) {
2428                                 warnx("unable to load font %s", font);
2429                                 continue;
2430                         } else {
2431                                 DNPRINTF(SWM_D_INIT, "successfully opened "
2432                                     "font %s\n", font);
2433                                 break;
2434                         }
2435                 }
2436                 free(d);
2437         }
2438
2439         if (bar_font == NULL)
2440                 errx(1, "unable to open a font");
2441
2442         PIXEL_TO_XRENDERCOLOR(r->s->c[SWM_S_COLOR_BAR_FONT].pixel, color);
2443
2444         if (!XftColorAllocValue(display, DefaultVisual(display, r->s->idx),
2445             DefaultColormap(display, r->s->idx), &color, &bar_font_color))
2446                 warn("Xft error: unable to allocate color.");
2447
2448         bar_height = bar_font->height + 2 * bar_border_width;
2449
2450         if (bar_height < 1)
2451                 bar_height = 1;
2452 }
2453
2454 void
2455 bar_setup(struct swm_region *r)
2456 {
2457         xcb_screen_t    *screen;
2458         uint32_t         wa[3];
2459
2460         DNPRINTF(SWM_D_BAR, "bar_setup: screen %d.\n",
2461             r->s->idx);
2462
2463         if ((screen = get_screen(r->s->idx)) == NULL)
2464                 errx(1, "ERROR: can't get screen %d.", r->s->idx);
2465
2466         if (r->bar != NULL)
2467                 return;
2468
2469         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
2470                 err(1, "bar_setup: calloc: failed to allocate memory.");
2471
2472         if (bar_font_legacy)
2473                 fontset_init();
2474         else
2475                 xft_init(r);
2476
2477         X(r->bar) = X(r);
2478         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
2479         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
2480         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
2481
2482         r->bar->id = xcb_generate_id(conn);
2483         wa[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
2484         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].pixel;
2485         wa[2] = XCB_EVENT_MASK_EXPOSURE;
2486
2487         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
2488             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
2489             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
2490             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
2491             | XCB_CW_EVENT_MASK, wa);
2492
2493         r->bar->buffer = xcb_generate_id(conn);
2494         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
2495             WIDTH(r->bar), HEIGHT(r->bar));
2496
2497         if (xrandr_support)
2498                 xcb_randr_select_input(conn, r->bar->id,
2499                     XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
2500
2501         if (bar_enabled)
2502                 xcb_map_window(conn, r->bar->id);
2503
2504         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
2505             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
2506             HEIGHT(r->bar));
2507
2508         bar_refresh();
2509 }
2510
2511 void
2512 bar_cleanup(struct swm_region *r)
2513 {
2514         if (r->bar == NULL)
2515                 return;
2516         xcb_destroy_window(conn, r->bar->id);
2517         xcb_free_pixmap(conn, r->bar->buffer);
2518         free(r->bar);
2519         r->bar = NULL;
2520 }
2521
2522 void
2523 set_win_state(struct ws_win *win, uint16_t state)
2524 {
2525         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2526
2527         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x, state: %u\n",
2528             win->id, state);
2529
2530         if (win == NULL)
2531                 return;
2532
2533         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
2534             a_state, 32, 2, data);
2535 }
2536
2537 uint32_t
2538 getstate(xcb_window_t w)
2539 {
2540         uint32_t                        result = 0;
2541         xcb_get_property_cookie_t       c;
2542         xcb_get_property_reply_t        *r;
2543
2544         c = xcb_get_property(conn, 0, w, a_state, a_state, 0L, 2L);
2545         r = xcb_get_property_reply(conn, c, NULL);
2546
2547         if (r) {
2548                 if (r->type == a_state && r->format == 32 && r->length == 2)
2549                         result = *((uint32_t *)xcb_get_property_value(r));
2550                 free(r);
2551         }
2552
2553         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
2554             result);
2555         return (result);
2556 }
2557
2558 void
2559 version(struct swm_region *r, union arg *args)
2560 {
2561         /* suppress unused warnings since vars are needed */
2562         (void)r;
2563         (void)args;
2564
2565         bar_version = !bar_version;
2566         if (bar_version)
2567                 snprintf(bar_vertext, sizeof bar_vertext,
2568                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2569         else
2570                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2571         bar_update();
2572
2573         xcb_flush(conn);
2574 }
2575
2576 void
2577 client_msg(struct ws_win *win, xcb_atom_t a, xcb_timestamp_t t)
2578 {
2579         xcb_client_message_event_t      ev;
2580 #ifdef SWM_DEBUG
2581         char                            *name;
2582 #endif
2583
2584         if (win == NULL)
2585                 return;
2586 #ifdef SWM_DEBUG
2587         name = get_atom_name(a);
2588         DNPRINTF(SWM_D_EVENT, "client_msg: window: 0x%x, atom: %s(%u), "
2589             "time: %#x\n",
2590             win->id, name, a, t);
2591         free(name);
2592 #endif
2593
2594         bzero(&ev, sizeof ev);
2595         ev.response_type = XCB_CLIENT_MESSAGE;
2596         ev.window = win->id;
2597         ev.type = a_prot;
2598         ev.format = 32;
2599         ev.data.data32[0] = a;
2600         ev.data.data32[1] = t;
2601
2602         xcb_send_event(conn, 0, win->id,
2603             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2604 }
2605
2606 /* synthetic response to a ConfigureRequest when not making a change */
2607 void
2608 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2609 {
2610         xcb_configure_notify_event_t ce;
2611
2612         if (win == NULL)
2613                 return;
2614
2615         /* send notification of unchanged state. */
2616         bzero(&ce, sizeof(ce));
2617         ce.response_type = XCB_CONFIGURE_NOTIFY;
2618         ce.x = X(win);
2619         ce.y = Y(win);
2620         ce.width = WIDTH(win);
2621         ce.height = HEIGHT(win);
2622         ce.override_redirect = 0;
2623
2624         if (ev == NULL) {
2625                 /* EWMH */
2626                 ce.event = win->id;
2627                 ce.window = win->id;
2628                 ce.border_width = BORDER(win);
2629                 ce.above_sibling = XCB_WINDOW_NONE;
2630         } else {
2631                 /* normal */
2632                 ce.event = ev->window;
2633                 ce.window = ev->window;
2634
2635                 /* make response appear more WM_SIZE_HINTS-compliant */
2636                 if (win->sh.flags) {
2637                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2638                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2639                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2640                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2641                             SH_INC_W(win), SH_INC_H(win));
2642                 }
2643
2644                 /* min size */
2645                 if (SH_MIN(win)) {
2646                         /* the hint may be set... to 0! */
2647                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2648                                 ce.width = SH_MIN_W(win);
2649                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2650                                 ce.height = SH_MIN_H(win);
2651                 }
2652
2653                 /* max size */
2654                 if (SH_MAX(win)) {
2655                         /* may also be advertized as 0 */
2656                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2657                                 ce.width = SH_MAX_W(win);
2658                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2659                                 ce.height = SH_MAX_H(win);
2660                 }
2661
2662                 /* resize increment. */
2663                 if (SH_INC(win)) {
2664                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2665                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2666                                     SH_INC_W(win);
2667                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2668                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2669                                     SH_INC_H(win);
2670                 }
2671
2672                 /* adjust x and y for requested border_width. */
2673                 ce.x += BORDER(win) - ev->border_width;
2674                 ce.y += BORDER(win) - ev->border_width;
2675                 ce.border_width = ev->border_width;
2676                 ce.above_sibling = ev->sibling;
2677         }
2678
2679         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2680             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2681             ce.y, ce.width, ce.height, ce.border_width);
2682
2683         xcb_send_event(conn, 0, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2684             (char *)&ce);
2685 }
2686
2687 int
2688 count_win(struct workspace *ws, int count_transient)
2689 {
2690         struct ws_win           *win;
2691         int                     count = 0;
2692
2693         TAILQ_FOREACH(win, &ws->winlist, entry) {
2694                 if (!count_transient && win->floating)
2695                         continue;
2696                 if (!count_transient && win->transient)
2697                         continue;
2698                 if (win->iconic)
2699                         continue;
2700                 count++;
2701         }
2702         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2703
2704         return (count);
2705 }
2706
2707 void
2708 quit(struct swm_region *r, union arg *args)
2709 {
2710         /* suppress unused warnings since vars are needed */
2711         (void)r;
2712         (void)args;
2713
2714         DNPRINTF(SWM_D_MISC, "quit\n");
2715         running = 0;
2716 }
2717
2718 void
2719 map_window(struct ws_win *win)
2720 {
2721         uint32_t        val = XCB_STACK_MODE_ABOVE;
2722
2723         if (win == NULL)
2724                 return;
2725
2726         DNPRINTF(SWM_D_EVENT, "map_window: win 0x%x, mapped: %s\n", win->id,
2727             YESNO(win->mapped));
2728
2729         xcb_configure_window(conn, win->id,
2730             XCB_CONFIG_WINDOW_STACK_MODE, &val);
2731
2732         if (win->mapped)
2733                 return;
2734
2735         xcb_map_window(conn, win->id);
2736         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
2737         win->mapped = 1;
2738 }
2739
2740 void
2741 unmap_window(struct ws_win *win)
2742 {
2743         if (win == NULL)
2744                 return;
2745
2746         DNPRINTF(SWM_D_EVENT, "unmap_window: win 0x%x, mapped: %s\n", win->id,
2747             YESNO(win->mapped));
2748
2749         if (!win->mapped)
2750                 return;
2751
2752         xcb_unmap_window(conn, win->id);
2753         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2754         win->mapped = 0;
2755 }
2756
2757 void
2758 unmap_all(void)
2759 {
2760         struct ws_win           *win;
2761         int                     i, j, num_screens;
2762
2763         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2764         for (i = 0; i < num_screens; i++)
2765                 for (j = 0; j < workspace_limit; j++)
2766                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2767                                 unmap_window(win);
2768 }
2769
2770 void
2771 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2772 {
2773         xcb_key_press_event_t   event;
2774         xcb_keycode_t           *keycode;
2775
2776         if (win == NULL)
2777                 return;
2778
2779         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2780
2781         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2782             win->id, *keycode);
2783
2784         bzero(&event, sizeof(event));
2785         event.event = win->id;
2786         event.root = win->s->root;
2787         event.child = XCB_WINDOW_NONE;
2788         event.time = XCB_CURRENT_TIME;
2789         event.event_x = X(win);
2790         event.event_y = Y(win);
2791         event.root_x = 1;
2792         event.root_y = 1;
2793         event.same_screen = 1;
2794         event.detail = *keycode;
2795         event.state = modifiers;
2796
2797         event.response_type = XCB_KEY_PRESS;
2798         xcb_send_event(conn, 1, win->id,
2799             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2800
2801         event.response_type = XCB_KEY_RELEASE;
2802         xcb_send_event(conn, 1, win->id,
2803             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2804
2805         free(keycode);
2806 }
2807
2808 void
2809 restart(struct swm_region *r, union arg *args)
2810 {
2811         /* suppress unused warning since var is needed */
2812         (void)r;
2813         (void)args;
2814
2815         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2816
2817         shutdown_cleanup();
2818
2819         execvp(start_argv[0], start_argv);
2820         warn("execvp failed");
2821         quit(NULL, NULL);
2822 }
2823
2824 struct ws_win *
2825 get_pointer_win(xcb_window_t root)
2826 {
2827         struct ws_win                   *win = NULL;
2828         xcb_query_pointer_reply_t       *r;
2829
2830         DNPRINTF(SWM_D_EVENT, "get_pointer_win: root: 0x%x.\n", root);
2831
2832         r = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, root), NULL);
2833         if (r) {
2834                 win = find_window(r->child);
2835                 if (win) {
2836                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: 0x%x.\n",
2837                             win->id);
2838                 } else {
2839                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: none.\n");
2840                 }
2841                 free(r);
2842         }
2843
2844         return win;
2845 }
2846
2847 struct swm_region *
2848 root_to_region(xcb_window_t root, int check)
2849 {
2850         struct ws_win                   *cfw;
2851         struct swm_region               *r = NULL;
2852         int                             i, num_screens;
2853         xcb_query_pointer_reply_t       *qpr;
2854         xcb_get_input_focus_reply_t     *gifr;
2855
2856         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2857
2858         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2859         for (i = 0; i < num_screens; i++)
2860                 if (screens[i].root == root)
2861                         break;
2862
2863         if (check & SWM_CK_FOCUS) {
2864                 /* Try to find an actively focused window */
2865                 gifr = xcb_get_input_focus_reply(conn,
2866                     xcb_get_input_focus(conn), NULL);
2867                 if (gifr) {
2868                         cfw = find_window(gifr->focus);
2869                         if (cfw && cfw->ws->r)
2870                                 r = cfw->ws->r;
2871
2872                         free(gifr);
2873                 }
2874         }
2875
2876         if (r == NULL && check & SWM_CK_POINTER) {
2877                 /* No region with an active focus; try to use pointer. */
2878                 qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2879                     screens[i].root), NULL);
2880
2881                 if (qpr) {
2882                         DNPRINTF(SWM_D_MISC, "root_to_region: pointer: "
2883                             "(%d,%d)\n", qpr->root_x, qpr->root_y);
2884                         TAILQ_FOREACH(r, &screens[i].rl, entry)
2885                                 if (X(r) <= qpr->root_x &&
2886                                     qpr->root_x < MAX_X(r) &&
2887                                     Y(r) <= qpr->root_y &&
2888                                     qpr->root_y < MAX_Y(r))
2889                                         break;
2890                         free(qpr);
2891                 }
2892         }
2893
2894         /* Last resort. */
2895         if (r == NULL && check & SWM_CK_FALLBACK)
2896                 r = TAILQ_FIRST(&screens[i].rl);
2897
2898         return (r);
2899 }
2900
2901 struct ws_win *
2902 find_unmanaged_window(xcb_window_t id)
2903 {
2904         struct ws_win           *win;
2905         int                     i, j, num_screens;
2906
2907         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2908         for (i = 0; i < num_screens; i++)
2909                 for (j = 0; j < workspace_limit; j++)
2910                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2911                             entry)
2912                                 if (id == win->id)
2913                                         return (win);
2914         return (NULL);
2915 }
2916
2917 struct ws_win *
2918 find_window(xcb_window_t id)
2919 {
2920         struct ws_win           *win;
2921         int                     i, j, num_screens;
2922         xcb_query_tree_reply_t  *r;
2923
2924         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2925         for (i = 0; i < num_screens; i++)
2926                 for (j = 0; j < workspace_limit; j++)
2927                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2928                                 if (id == win->id)
2929                                         return (win);
2930
2931         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
2932         if (!r)
2933                 return (NULL);
2934
2935         /* if we were looking for the parent return that window instead */
2936         if (r->parent == 0 || r->root == r->parent) {
2937                 free(r);
2938                 return (NULL);
2939         }
2940
2941         /* look for parent */
2942         for (i = 0; i < num_screens; i++)
2943                 for (j = 0; j < workspace_limit; j++)
2944                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2945                                 if (r->parent == win->id) {
2946                                         free(r);
2947                                         return (win);
2948                                 }
2949
2950         free(r);
2951         return (NULL);
2952 }
2953
2954 void
2955 spawn(int ws_idx, union arg *args, int close_fd)
2956 {
2957         int                     fd;
2958         char                    *ret = NULL;
2959
2960         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2961
2962         close(xcb_get_file_descriptor(conn));
2963
2964         setenv("LD_PRELOAD", SWM_LIB, 1);
2965
2966         if (asprintf(&ret, "%d", ws_idx) == -1) {
2967                 warn("spawn: asprintf SWM_WS");
2968                 _exit(1);
2969         }
2970         setenv("_SWM_WS", ret, 1);
2971         free(ret);
2972         ret = NULL;
2973
2974         if (asprintf(&ret, "%d", getpid()) == -1) {
2975                 warn("spawn: asprintf _SWM_PID");
2976                 _exit(1);
2977         }
2978         setenv("_SWM_PID", ret, 1);
2979         free(ret);
2980         ret = NULL;
2981
2982         if (setsid() == -1) {
2983                 warn("spawn: setsid");
2984                 _exit(1);
2985         }
2986
2987         if (close_fd) {
2988                 /*
2989                  * close stdin and stdout to prevent interaction between apps
2990                  * and the baraction script
2991                  * leave stderr open to record errors
2992                 */
2993                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2994                         warn("spawn: open");
2995                         _exit(1);
2996                 }
2997                 dup2(fd, STDIN_FILENO);
2998                 dup2(fd, STDOUT_FILENO);
2999                 if (fd > 2)
3000                         close(fd);
3001         }
3002
3003         execvp(args->argv[0], args->argv);
3004
3005         warn("spawn: execvp");
3006         _exit(1);
3007 }
3008
3009 void
3010 kill_refs(struct ws_win *win)
3011 {
3012         int                     i, x, num_screens;
3013         struct swm_region       *r;
3014         struct workspace        *ws;
3015
3016         if (win == NULL)
3017                 return;
3018
3019         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3020         for (i = 0; i < num_screens; i++)
3021                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3022                         for (x = 0; x < workspace_limit; x++) {
3023                                 ws = &r->s->ws[x];
3024                                 if (win == ws->focus)
3025                                         ws->focus = NULL;
3026                                 if (win == ws->focus_prev)
3027                                         ws->focus_prev = NULL;
3028                         }
3029 }
3030
3031 int
3032 validate_win(struct ws_win *testwin)
3033 {
3034         struct ws_win           *win;
3035         struct workspace        *ws;
3036         struct swm_region       *r;
3037         int                     i, x, num_screens;
3038
3039         if (testwin == NULL)
3040                 return (0);
3041
3042         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3043         for (i = 0; i < num_screens; i++)
3044                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3045                         for (x = 0; x < workspace_limit; x++) {
3046                                 ws = &r->s->ws[x];
3047                                 TAILQ_FOREACH(win, &ws->winlist, entry)
3048                                         if (win == testwin)
3049                                                 return (0);
3050                         }
3051         return (1);
3052 }
3053
3054 int
3055 validate_ws(struct workspace *testws)
3056 {
3057         struct swm_region       *r;
3058         struct workspace        *ws;
3059         int                     i, x, num_screens;
3060
3061         /* validate all ws */
3062         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3063         for (i = 0; i < num_screens; i++)
3064                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3065                         for (x = 0; x < workspace_limit; x++) {
3066                                 ws = &r->s->ws[x];
3067                                 if (ws == testws)
3068                                         return (0);
3069                         }
3070         return (1);
3071 }
3072
3073 void
3074 unfocus_win(struct ws_win *win)
3075 {
3076         xcb_window_t            none = XCB_WINDOW_NONE;
3077
3078         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
3079
3080         if (win == NULL)
3081                 return;
3082         if (win->ws == NULL) {
3083                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL ws.\n");
3084                 return;
3085         }
3086
3087         if (validate_ws(win->ws)) {
3088                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid ws.\n");
3089                 return;
3090         }
3091
3092         if (win->ws->r == NULL) {
3093                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL region.\n");
3094                 return;
3095         }
3096
3097         if (validate_win(win)) {
3098                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid win.\n");
3099                 kill_refs(win);
3100                 return;
3101         }
3102
3103         if (win->ws->focus == win) {
3104                 win->ws->focus = NULL;
3105                 win->ws->focus_prev = win;
3106         }
3107
3108         if (validate_win(win->ws->focus)) {
3109                 kill_refs(win->ws->focus);
3110                 win->ws->focus = NULL;
3111         }
3112
3113         if (validate_win(win->ws->focus_prev)) {
3114                 kill_refs(win->ws->focus_prev);
3115                 win->ws->focus_prev = NULL;
3116         }
3117
3118         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3119             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
3120
3121         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3122             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
3123
3124         DNPRINTF(SWM_D_FOCUS, "unfocus_win: done.\n");
3125 }
3126
3127 void
3128 focus_win(struct ws_win *win)
3129 {
3130         struct ws_win                   *cfw = NULL, *parent = NULL, *w;
3131         struct workspace                *ws;
3132         xcb_get_input_focus_reply_t     *r;
3133
3134         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
3135
3136         if (win == NULL)
3137                 goto out;
3138
3139         if (win->ws == NULL)
3140                 goto out;
3141
3142         ws = win->ws;
3143
3144         if (validate_ws(ws))
3145                 goto out;
3146
3147         if (validate_win(win)) {
3148                 kill_refs(win);
3149                 goto out;
3150         }
3151
3152         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
3153         if (r) {
3154                 cfw = find_window(r->focus);
3155                 if (cfw != win)
3156                         unfocus_win(cfw);
3157                 free(r);
3158         }
3159
3160         if (ws->focus != win) {
3161                 if (ws->focus && ws->focus != cfw)
3162                         unfocus_win(ws->focus);
3163                 ws->focus = win;
3164         }
3165
3166         /* If this window directs focus to a child window, then clear. */
3167         if (win->focus_child)
3168                 win->focus_child = NULL;
3169
3170         /* If transient, adjust parent's focus child for focus_magic. */
3171         if (win->transient) {
3172                 parent = find_window(win->transient);
3173                 if (parent && parent->focus_child != win)
3174                         parent->focus_child = win;
3175         }
3176
3177         if (cfw != win && ws->r != NULL) {
3178                 /* Set input focus if no input hint, or indicated by hint. */
3179                 if (!(win->hints.flags & XCB_ICCCM_WM_HINT_INPUT) ||
3180                     (win->hints.flags & XCB_ICCCM_WM_HINT_INPUT &&
3181                      win->hints.input))
3182                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3183                                         win->id, last_event_time);
3184
3185                 /* Tell app it can adjust focus to a specific window. */
3186                 if (win->take_focus) {
3187                         /* java is special; always tell parent */
3188                         if (win->transient && win->java)
3189                                 client_msg(parent, a_takefocus,
3190                                     last_event_time);
3191                         else
3192                                 client_msg(win, a_takefocus, last_event_time);
3193                 }
3194
3195                 xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3196                     &ws->r->s->c[SWM_S_COLOR_FOCUS].pixel);
3197
3198                 if (ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
3199                     ws->always_raise) {
3200                         /* If a parent exists, map it first. */
3201                         if (parent) {
3202                                 map_window(parent);
3203
3204                                 /* Map siblings next. */
3205                                 TAILQ_FOREACH(w, &ws->winlist, entry)
3206                                         if (w != win && !w->iconic &&
3207                                             w->transient == parent->id)
3208                                                 map_window(w);
3209                         }
3210
3211                         /* Map focused window. */
3212                         map_window(win);
3213
3214                         /* Finally, map children of focus window. */
3215                         TAILQ_FOREACH(w, &ws->winlist, entry)
3216                                 if (w->transient == win->id && !w->iconic)
3217                                         map_window(w);
3218
3219                 }
3220
3221                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3222                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
3223                     &win->id);
3224         }
3225
3226 out:
3227         bar_update();
3228
3229         DNPRINTF(SWM_D_FOCUS, "focus_win: done.\n");
3230 }
3231
3232 /* If a child window should have focus instead, return it. */
3233 struct ws_win *
3234 get_focus_magic(struct ws_win *win)
3235 {
3236         struct ws_win   *parent = NULL;
3237         struct ws_win   *child = NULL;
3238
3239         DNPRINTF(SWM_D_FOCUS, "get_focus_magic: window: 0x%x\n", WINID(win));
3240         if (win == NULL)
3241                 return win;
3242
3243         if (win->transient) {
3244                 parent = find_window(win->transient);
3245
3246                 /* If parent prefers focus elsewhere, then try to do so. */
3247                 if (parent && (child = parent->focus_child)) {
3248                         if (validate_win(child) == 0 && child->mapped)
3249                                 win = child;
3250                         else
3251                                 parent->focus_child = NULL;
3252                 }
3253         }
3254
3255         /* If this window prefers focus elsewhere, then try to do so. */
3256         if ((child = win->focus_child)) {
3257                 if (validate_win(child) == 0 && child->mapped)
3258                         win = child;
3259                 else
3260                         win->focus_child = NULL;
3261         }
3262
3263         return win;
3264 }
3265
3266 void
3267 event_drain(uint8_t rt)
3268 {
3269         xcb_generic_event_t     *evt;
3270
3271         /* ensure all pending requests have been processed before filtering. */
3272         xcb_aux_sync(conn);
3273         while ((evt = xcb_poll_for_event(conn))) {
3274                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
3275                         event_handle(evt);
3276
3277                 free(evt);
3278         }
3279 }
3280
3281 void
3282 switchws(struct swm_region *r, union arg *args)
3283 {
3284         int                     wsid = args->id, unmap_old = 0;
3285         struct swm_region       *this_r, *other_r;
3286         struct ws_win           *win;
3287         struct workspace        *new_ws, *old_ws;
3288
3289         if (!(r && r->s))
3290                 return;
3291
3292         if (wsid >= workspace_limit)
3293                 return;
3294
3295         this_r = r;
3296         old_ws = this_r->ws;
3297         new_ws = &this_r->s->ws[wsid];
3298
3299         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
3300             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
3301
3302         if (new_ws == NULL || old_ws == NULL)
3303                 return;
3304         if (new_ws == old_ws)
3305                 return;
3306
3307         unfocus_win(old_ws->focus);
3308
3309         other_r = new_ws->r;
3310         if (other_r == NULL) {
3311                 /* the other workspace is hidden, hide this one */
3312                 old_ws->r = NULL;
3313                 unmap_old = 1;
3314         } else {
3315                 /* the other ws is visible in another region, exchange them */
3316                 other_r->ws_prior = new_ws;
3317                 other_r->ws = old_ws;
3318                 old_ws->r = other_r;
3319         }
3320         this_r->ws_prior = old_ws;
3321         this_r->ws = new_ws;
3322         new_ws->r = this_r;
3323
3324         /* Set focus_pending before stacking. */
3325         if (focus_mode != SWM_FOCUS_FOLLOW)
3326                 new_ws->focus_pending = get_region_focus(new_ws->r);
3327
3328         stack();
3329
3330         /* unmap old windows */
3331         if (unmap_old)
3332                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
3333                         unmap_window(win);
3334
3335         /* if workspaces were swapped, then don't wait to set focus */
3336         if (old_ws->r && focus_mode != SWM_FOCUS_FOLLOW) {
3337                 if (new_ws->focus_pending) {
3338                         focus_win(new_ws->focus_pending);
3339                 } else {
3340                         /* Empty region, focus on root. */
3341                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3342                             new_ws->r->s[new_ws->r->s->idx].root,
3343                             XCB_CURRENT_TIME);
3344                 }
3345         }
3346
3347         /* Clear bar if new ws is empty. */
3348         if (new_ws->focus_pending == NULL)
3349                 bar_update();
3350
3351         focus_flush();
3352
3353         DNPRINTF(SWM_D_WS, "switchws: done.\n");
3354 }
3355
3356 void
3357 cyclews(struct swm_region *r, union arg *args)
3358 {
3359         union                   arg a;
3360         struct swm_screen       *s = r->s;
3361         int                     cycle_all = 0;
3362
3363         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3364             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3365
3366         a.id = r->ws->idx;
3367         do {
3368                 switch (args->id) {
3369                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
3370                         cycle_all = 1;
3371                         /* FALLTHROUGH */
3372                 case SWM_ARG_ID_CYCLEWS_UP:
3373                         if (a.id < workspace_limit - 1)
3374                                 a.id++;
3375                         else
3376                                 a.id = 0;
3377                         break;
3378                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
3379                         cycle_all = 1;
3380                         /* FALLTHROUGH */
3381                 case SWM_ARG_ID_CYCLEWS_DOWN:
3382                         if (a.id > 0)
3383                                 a.id--;
3384                         else
3385                                 a.id = workspace_limit - 1;
3386                         break;
3387                 default:
3388                         return;
3389                 };
3390
3391                 if (!cycle_all &&
3392                     (!cycle_empty && TAILQ_EMPTY(&s->ws[a.id].winlist)))
3393                         continue;
3394                 if (!cycle_visible && s->ws[a.id].r != NULL)
3395                         continue;
3396
3397                 switchws(r, &a);
3398         } while (a.id != r->ws->idx);
3399 }
3400
3401 void
3402 priorws(struct swm_region *r, union arg *args)
3403 {
3404         union arg               a;
3405
3406         (void)args;
3407
3408         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3409             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3410
3411         if (r->ws_prior == NULL)
3412                 return;
3413
3414         a.id = r->ws_prior->idx;
3415         switchws(r, &a);
3416 }
3417
3418 void
3419 cyclescr(struct swm_region *r, union arg *args)
3420 {
3421         struct ws_win           *nfw;
3422         struct swm_region       *rr = NULL;
3423         int                     i, num_screens;
3424
3425         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3426         /* do nothing if we don't have more than one screen */
3427         if (!(num_screens > 1 || outputs > 1))
3428                 return;
3429
3430         i = r->s->idx;
3431         switch (args->id) {
3432         case SWM_ARG_ID_CYCLESC_UP:
3433                 rr = TAILQ_NEXT(r, entry);
3434                 if (rr == NULL)
3435                         rr = TAILQ_FIRST(&screens[i].rl);
3436                 break;
3437         case SWM_ARG_ID_CYCLESC_DOWN:
3438                 rr = TAILQ_PREV(r, swm_region_list, entry);
3439                 if (rr == NULL)
3440                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
3441                 break;
3442         default:
3443                 return;
3444         };
3445         if (rr == NULL)
3446                 return;
3447
3448         nfw = get_region_focus(rr);
3449         if (nfw) {
3450                 focus_win(nfw);
3451         } else {
3452                 /* New region is empty; unfocus old region and warp pointer. */
3453                 unfocus_win(r->ws->focus);
3454                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3455                                 rr->s[i].root, XCB_CURRENT_TIME);
3456
3457                 /* Clear bar since empty. */
3458                 bar_update();
3459         }
3460
3461         focus_flush();
3462 }
3463
3464 void
3465 sort_windows(struct ws_win_list *wl)
3466 {
3467         struct ws_win           *win, *parent, *nxt;
3468
3469         if (wl == NULL)
3470                 return;
3471
3472         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
3473                 nxt = TAILQ_NEXT(win, entry);
3474                 if (win->transient) {
3475                         parent = find_window(win->transient);
3476                         if (parent == NULL) {
3477                                 warnx("not possible bug");
3478                                 continue;
3479                         }
3480                         TAILQ_REMOVE(wl, win, entry);
3481                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
3482                 }
3483         }
3484
3485 }
3486
3487 void
3488 swapwin(struct swm_region *r, union arg *args)
3489 {
3490         struct ws_win           *target, *source;
3491         struct ws_win           *cur_focus;
3492         struct ws_win_list      *wl;
3493
3494         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3495             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3496
3497         cur_focus = r->ws->focus;
3498         if (cur_focus == NULL)
3499                 return;
3500
3501         source = cur_focus;
3502         wl = &source->ws->winlist;
3503
3504         switch (args->id) {
3505         case SWM_ARG_ID_SWAPPREV:
3506                 if (source->transient)
3507                         source = find_window(source->transient);
3508                 target = TAILQ_PREV(source, ws_win_list, entry);
3509                 if (target && target->transient)
3510                         target = find_window(target->transient);
3511                 TAILQ_REMOVE(wl, source, entry);
3512                 if (target == NULL)
3513                         TAILQ_INSERT_TAIL(wl, source, entry);
3514                 else
3515                         TAILQ_INSERT_BEFORE(target, source, entry);
3516                 break;
3517         case SWM_ARG_ID_SWAPNEXT:
3518                 target = TAILQ_NEXT(source, entry);
3519                 /* move the parent and let the sort handle the move */
3520                 if (source->transient)
3521                         source = find_window(source->transient);
3522                 TAILQ_REMOVE(wl, source, entry);
3523                 if (target == NULL)
3524                         TAILQ_INSERT_HEAD(wl, source, entry);
3525                 else
3526                         TAILQ_INSERT_AFTER(wl, target, source, entry);
3527                 break;
3528         case SWM_ARG_ID_SWAPMAIN:
3529                 target = TAILQ_FIRST(wl);
3530                 if (target == source) {
3531                         if (source->ws->focus_prev != NULL &&
3532                             source->ws->focus_prev != target)
3533                                 source = source->ws->focus_prev;
3534                         else
3535                                 return;
3536                 }
3537                 if (target == NULL || source == NULL)
3538                         return;
3539                 source->ws->focus_prev = target;
3540                 TAILQ_REMOVE(wl, target, entry);
3541                 TAILQ_INSERT_BEFORE(source, target, entry);
3542                 TAILQ_REMOVE(wl, source, entry);
3543                 TAILQ_INSERT_HEAD(wl, source, entry);
3544                 break;
3545         case SWM_ARG_ID_MOVELAST:
3546                 TAILQ_REMOVE(wl, source, entry);
3547                 TAILQ_INSERT_TAIL(wl, source, entry);
3548                 break;
3549         default:
3550                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
3551                 return;
3552         }
3553
3554         sort_windows(wl);
3555
3556         stack();
3557
3558         focus_flush();
3559 }
3560
3561 struct ws_win *
3562 get_focus_prev(struct ws_win *win)
3563 {
3564         struct ws_win           *winfocus = NULL;
3565         struct ws_win           *cur_focus = NULL;
3566         struct ws_win_list      *wl = NULL;
3567         struct workspace        *ws = NULL;
3568
3569         if (!(win && win->ws))
3570                 return NULL;
3571
3572         ws = win->ws;
3573         wl = &ws->winlist;
3574         cur_focus = ws->focus;
3575
3576         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: window: 0x%x, cur_focus: 0x%x\n",
3577             WINID(win), WINID(cur_focus));
3578
3579         /* pickle, just focus on whatever */
3580         if (cur_focus == NULL) {
3581                 /* use prev_focus if valid */
3582                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
3583                     find_window(WINID(ws->focus_prev)))
3584                         winfocus = ws->focus_prev;
3585                 goto done;
3586         }
3587
3588         /* if transient focus on parent */
3589         if (cur_focus->transient) {
3590                 winfocus = find_window(cur_focus->transient);
3591                 goto done;
3592         }
3593
3594         /* if in max_stack try harder */
3595         if ((win->quirks & SWM_Q_FOCUSPREV) ||
3596             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
3597                 if (cur_focus != ws->focus_prev)
3598                         winfocus = ws->focus_prev;
3599                 else
3600                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3601                 if (winfocus)
3602                         goto done;
3603         }
3604
3605         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: focus_close: %d\n", focus_close);
3606
3607         if (winfocus == NULL || winfocus == win) {
3608                 switch (focus_close) {
3609                 case SWM_STACK_BOTTOM:
3610                         winfocus = TAILQ_FIRST(wl);
3611                         break;
3612                 case SWM_STACK_TOP:
3613                         winfocus = TAILQ_LAST(wl, ws_win_list);
3614                         break;
3615                 case SWM_STACK_ABOVE:
3616                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
3617                                 if (focus_close_wrap)
3618                                         winfocus = TAILQ_FIRST(wl);
3619                                 else
3620                                         winfocus = TAILQ_PREV(cur_focus,
3621                                             ws_win_list, entry);
3622                         }
3623                         break;
3624                 case SWM_STACK_BELOW:
3625                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
3626                             entry)) == NULL) {
3627                                 if (focus_close_wrap)
3628                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3629                                 else
3630                                         winfocus = TAILQ_NEXT(cur_focus, entry);
3631                         }
3632                         break;
3633                 }
3634         }
3635 done:
3636         if (winfocus == NULL) {
3637                 if (focus_default == SWM_STACK_TOP)
3638                         winfocus = TAILQ_LAST(wl, ws_win_list);
3639                 else
3640                         winfocus = TAILQ_FIRST(wl);
3641         }
3642
3643         kill_refs(win);
3644
3645         return get_focus_magic(winfocus);
3646 }
3647
3648 struct ws_win *
3649 get_region_focus(struct swm_region *r)
3650 {
3651         struct ws_win           *winfocus = NULL;
3652
3653         if (!(r && r->ws))
3654                 return NULL;
3655
3656         if (r->ws->focus && !r->ws->focus->iconic)
3657                 winfocus = r->ws->focus;
3658         else if (r->ws->focus_prev && !r->ws->focus_prev->iconic)
3659                 winfocus = r->ws->focus_prev;
3660         else
3661                 TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3662                         if (!winfocus->iconic)
3663                                 break;
3664
3665         return get_focus_magic(winfocus);
3666 }
3667
3668 void
3669 focus(struct swm_region *r, union arg *args)
3670 {
3671         struct ws_win           *head, *cur_focus = NULL, *winfocus = NULL;
3672         struct ws_win_list      *wl = NULL;
3673         struct workspace        *ws = NULL;
3674         int                     all_iconics;
3675
3676         if (!(r && r->ws))
3677                 return;
3678
3679         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
3680
3681         if ((cur_focus = r->ws->focus) == NULL)
3682                 return;
3683         ws = r->ws;
3684         wl = &ws->winlist;
3685         if (TAILQ_EMPTY(wl))
3686                 return;
3687         /* make sure there is at least one uniconified window */
3688         all_iconics = 1;
3689         TAILQ_FOREACH(winfocus, wl, entry)
3690                 if (!winfocus->iconic) {
3691                         all_iconics = 0;
3692                         break;
3693                 }
3694         if (all_iconics)
3695                 return;
3696
3697         switch (args->id) {
3698         case SWM_ARG_ID_FOCUSPREV:
3699                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3700                 if (head == NULL)
3701                         head = TAILQ_LAST(wl, ws_win_list);
3702                 winfocus = head;
3703                 if (WINID(winfocus) == cur_focus->transient) {
3704                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3705                         if (head == NULL)
3706                                 head = TAILQ_LAST(wl, ws_win_list);
3707                         winfocus = head;
3708                 }
3709
3710                 /* skip iconics */
3711                 if (winfocus && winfocus->iconic) {
3712                         while (winfocus != cur_focus) {
3713                                 if (winfocus == NULL)
3714                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3715                                 if (!winfocus->iconic)
3716                                         break;
3717                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3718                                     entry);
3719                         }
3720                 }
3721                 break;
3722
3723         case SWM_ARG_ID_FOCUSNEXT:
3724                 head = TAILQ_NEXT(cur_focus, entry);
3725                 if (head == NULL)
3726                         head = TAILQ_FIRST(wl);
3727                 winfocus = head;
3728
3729                 /* skip iconics */
3730                 if (winfocus && winfocus->iconic) {
3731                         while (winfocus != cur_focus) {
3732                                 if (winfocus == NULL)
3733                                         winfocus = TAILQ_FIRST(wl);
3734                                 if (!winfocus->iconic)
3735                                         break;
3736                                 winfocus = TAILQ_NEXT(winfocus, entry);
3737                         }
3738                 }
3739                 break;
3740
3741         case SWM_ARG_ID_FOCUSMAIN:
3742                 winfocus = TAILQ_FIRST(wl);
3743                 if (winfocus == cur_focus)
3744                         winfocus = cur_focus->ws->focus_prev;
3745                 break;
3746
3747         default:
3748                 return;
3749         }
3750
3751         focus_win(get_focus_magic(winfocus));
3752
3753         focus_flush();
3754 }
3755
3756 void
3757 cycle_layout(struct swm_region *r, union arg *args)
3758 {
3759         struct workspace        *ws = r->ws;
3760
3761         /* suppress unused warning since var is needed */
3762         (void)args;
3763
3764         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3765
3766         ws->cur_layout++;
3767         if (ws->cur_layout->l_stack == NULL)
3768                 ws->cur_layout = &layouts[0];
3769
3770         stack();
3771         bar_update();
3772
3773         focus_win(get_region_focus(r));
3774
3775         focus_flush();
3776 }
3777
3778 void
3779 stack_config(struct swm_region *r, union arg *args)
3780 {
3781         struct workspace        *ws = r->ws;
3782
3783         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3784             args->id, ws->idx);
3785
3786         if (ws->cur_layout->l_config != NULL)
3787                 ws->cur_layout->l_config(ws, args->id);
3788
3789         if (args->id != SWM_ARG_ID_STACKINIT)
3790                 stack();
3791         bar_update();
3792
3793         focus_flush();
3794 }
3795
3796 void
3797 stack(void) {
3798         struct swm_geometry     g;
3799         struct swm_region       *r;
3800         int                     i, num_screens;
3801 #ifdef SWM_DEBUG
3802         int j;
3803 #endif
3804
3805         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3806
3807         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3808         for (i = 0; i < num_screens; i++) {
3809 #ifdef SWM_DEBUG
3810                 j = 0;
3811 #endif
3812                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3813                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3814                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3815
3816                         /* start with screen geometry, adjust for bar */
3817                         g = r->g;
3818                         g.w -= 2 * border_width;
3819                         g.h -= 2 * border_width;
3820                         if (bar_enabled && r->ws->bar_enabled) {
3821                                 if (!bar_at_bottom)
3822                                         g.y += bar_height;
3823                                 g.h -= bar_height;
3824                         }
3825                         r->ws->cur_layout->l_stack(r->ws, &g);
3826                         r->ws->cur_layout->l_string(r->ws);
3827                         /* save r so we can track region changes */
3828                         r->ws->old_r = r;
3829                 }
3830         }
3831         if (font_adjusted)
3832                 font_adjusted--;
3833
3834         DNPRINTF(SWM_D_STACK, "stack: end\n");
3835 }
3836
3837 void
3838 store_float_geom(struct ws_win *win, struct swm_region *r)
3839 {
3840         if (win == NULL || r == NULL)
3841                 return;
3842
3843         /* retain window geom and region geom */
3844         win->g_float = win->g;
3845         win->g_float.x -= X(r);
3846         win->g_float.y -= Y(r);
3847         win->g_floatvalid = 1;
3848         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3849             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3850             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3851             win->g_float.w, win->g_float.h);
3852 }
3853
3854 void
3855 load_float_geom(struct ws_win *win, struct swm_region *r)
3856 {
3857         if (win == NULL || r == NULL)
3858                 return;
3859
3860         if (win->g_floatvalid) {
3861                 win->g = win->g_float;
3862                 X(win) += X(r);
3863                 Y(win) += Y(r);
3864                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g: (%d,%d)"
3865                     "%d x %d\n", win->id, X(win), Y(win), WIDTH(win),
3866                     HEIGHT(win));
3867         } else {
3868                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g_float "
3869                     "is not set.\n", win->id);
3870         }
3871 }
3872
3873 void
3874 stack_floater(struct ws_win *win, struct swm_region *r)
3875 {
3876         if (win == NULL)
3877                 return;
3878
3879         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3880
3881         /*
3882          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3883          * geom on ws switches or return from max mode
3884          */
3885         if (win->floatmaxed || (r != r->ws->old_r &&
3886             !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
3887                 /* update geometry for the new region */
3888                 load_float_geom(win, r);
3889         }
3890
3891         win->floatmaxed = 0;
3892
3893         /*
3894          * if set to fullscreen mode, configure window to maximum size.
3895          */
3896         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3897                 if (!win->g_floatvalid)
3898                         store_float_geom(win, win->ws->r);
3899
3900                 win->g = r->g;
3901         }
3902
3903         /*
3904          * remove border on fullscreen floater when in fullscreen mode or when
3905          * the quirk is present.
3906          */
3907         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3908             ((win->quirks & SWM_Q_FULLSCREEN) &&
3909              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3910                 if (win->bordered) {
3911                         win->bordered = 0;
3912                         X(win) += border_width;
3913                         Y(win) += border_width;
3914                 }
3915         } else if (!win->bordered) {
3916                 win->bordered = 1;
3917                 X(win) -= border_width;
3918                 Y(win) -= border_width;
3919         }
3920
3921         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3922                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3923                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3924         }
3925
3926         if (!win->manual && !(win->ewmh_flags & EWMH_F_FULLSCREEN) &&
3927             !(win->quirks & SWM_Q_ANYWHERE)) {
3928                 /*
3929                  * floaters and transients are auto-centred unless moved,
3930                  * resized or ANYWHERE quirk is set.
3931                  */
3932                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3933                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3934
3935                 store_float_geom(win, r);
3936         }
3937
3938         /* keep window within region bounds */
3939         constrain_window(win, r, 0);
3940
3941         update_window(win);
3942 }
3943
3944 /*
3945  * Send keystrokes to terminal to decrease/increase the font size as the
3946  * window size changes.
3947  */
3948 void
3949 adjust_font(struct ws_win *win)
3950 {
3951         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3952             win->floating || win->transient)
3953                 return;
3954
3955         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3956             WIDTH(win) / win->sh.width_inc < term_width &&
3957             win->font_steps < SWM_MAX_FONT_STEPS) {
3958                 win->font_size_boundary[win->font_steps] =
3959                     (win->sh.width_inc * term_width) + win->sh.base_width;
3960                 win->font_steps++;
3961                 font_adjusted++;
3962                 win->last_inc = win->sh.width_inc;
3963                 fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
3964         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3965             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3966                 win->font_steps--;
3967                 font_adjusted++;
3968                 win->last_inc = win->sh.width_inc;
3969                 fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
3970         }
3971 }
3972
3973 #define SWAPXY(g)       do {                            \
3974         int tmp;                                        \
3975         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3976         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3977 } while (0)
3978 void
3979 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3980 {
3981         struct swm_geometry     win_g, r_g = *g;
3982         struct ws_win           *win, *fs_win = NULL;
3983         int                     i, j, s, stacks;
3984         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3985         int                     hrh, extra = 0, h_slice, last_h = 0;
3986         int                     split, colno, winno, mwin, msize, mscale;
3987         int                     remain, missing, v_slice, reconfigure = 0;
3988         int                     bordered = 1;
3989
3990         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3991             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3992
3993         winno = count_win(ws, 0);
3994         if (winno == 0 && count_win(ws, 1) == 0)
3995                 return;
3996
3997         TAILQ_FOREACH(win, &ws->winlist, entry)
3998                 if (!win->transient && !win->floating && !win->iconic)
3999                         break;
4000
4001         if (win == NULL)
4002                 goto notiles;
4003
4004         if (rot) {
4005                 w_inc = win->sh.width_inc;
4006                 w_base = win->sh.base_width;
4007                 mwin = ws->l_state.horizontal_mwin;
4008                 mscale = ws->l_state.horizontal_msize;
4009                 stacks = ws->l_state.horizontal_stacks;
4010                 SWAPXY(&r_g);
4011         } else {
4012                 w_inc = win->sh.height_inc;
4013                 w_base = win->sh.base_height;
4014                 mwin = ws->l_state.vertical_mwin;
4015                 mscale = ws->l_state.vertical_msize;
4016                 stacks = ws->l_state.vertical_stacks;
4017         }
4018         win_g = r_g;
4019
4020         if (stacks > winno - mwin)
4021                 stacks = winno - mwin;
4022         if (stacks < 1)
4023                 stacks = 1;
4024
4025         h_slice = r_g.h / SWM_H_SLICE;
4026         if (mwin && winno > mwin) {
4027                 v_slice = r_g.w / SWM_V_SLICE;
4028
4029                 split = mwin;
4030                 colno = split;
4031                 win_g.w = v_slice * mscale;
4032
4033                 if (w_inc > 1 && w_inc < v_slice) {
4034                         /* adjust for window's requested size increment */
4035                         remain = (win_g.w - w_base) % w_inc;
4036                         win_g.w -= remain;
4037                 }
4038
4039                 msize = win_g.w;
4040                 if (flip)
4041                         win_g.x += r_g.w - msize;
4042         } else {
4043                 msize = -2;
4044                 colno = split = winno / stacks;
4045                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
4046                     2 * border_width) / stacks);
4047         }
4048         hrh = r_g.h / colno;
4049         extra = r_g.h - (colno * hrh);
4050         win_g.h = hrh - 2 * border_width;
4051
4052         /*  stack all the tiled windows */
4053         i = j = 0, s = stacks;
4054         TAILQ_FOREACH(win, &ws->winlist, entry) {
4055                 if (win->transient || win->floating)
4056                         continue;
4057                 if (win->iconic)
4058                         continue;
4059
4060                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4061                         fs_win = win;
4062                         continue;
4063                 }
4064
4065                 if (split && i == split) {
4066                         colno = (winno - mwin) / stacks;
4067                         if (s <= (winno - mwin) % stacks)
4068                                 colno++;
4069                         split = split + colno;
4070                         hrh = (r_g.h / colno);
4071                         extra = r_g.h - (colno * hrh);
4072                         if (flip)
4073                                 win_g.x = r_g.x;
4074                         else
4075                                 win_g.x += win_g.w + 2 * border_width;
4076                         win_g.w = (r_g.w - msize -
4077                             (stacks * 2 * border_width)) / stacks;
4078                         if (s == 1)
4079                                 win_g.w += (r_g.w - msize -
4080                                     (stacks * 2 * border_width)) % stacks;
4081                         s--;
4082                         j = 0;
4083                 }
4084                 win_g.h = hrh - 2 * border_width;
4085                 if (rot) {
4086                         h_inc = win->sh.width_inc;
4087                         h_base = win->sh.base_width;
4088                 } else {
4089                         h_inc = win->sh.height_inc;
4090                         h_base = win->sh.base_height;
4091                 }
4092                 if (j == colno - 1) {
4093                         win_g.h = hrh + extra;
4094                 } else if (h_inc > 1 && h_inc < h_slice) {
4095                         /* adjust for window's requested size increment */
4096                         remain = (win_g.h - h_base) % h_inc;
4097                         missing = h_inc - remain;
4098
4099                         if (missing <= extra || j == 0) {
4100                                 extra -= missing;
4101                                 win_g.h += missing;
4102                         } else {
4103                                 win_g.h -= remain;
4104                                 extra += remain;
4105                         }
4106                 }
4107
4108                 if (j == 0)
4109                         win_g.y = r_g.y;
4110                 else
4111                         win_g.y += last_h + 2 * border_width;
4112
4113                 if (disable_border && !(bar_enabled && ws->bar_enabled) &&
4114                     winno == 1){
4115                         bordered = 0;
4116                         win_g.w += 2 * border_width;
4117                         win_g.h += 2 * border_width;
4118                 } else {
4119                         bordered = 1;
4120                 }
4121                 if (rot) {
4122                         if (X(win) != win_g.y || Y(win) != win_g.x ||
4123                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
4124                                 reconfigure = 1;
4125                                 X(win) = win_g.y;
4126                                 Y(win) = win_g.x;
4127                                 WIDTH(win) = win_g.h;
4128                                 HEIGHT(win) = win_g.w;
4129                         }
4130                 } else {
4131                         if (X(win) != win_g.x || Y(win) != win_g.y ||
4132                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
4133                                 reconfigure = 1;
4134                                 X(win) = win_g.x;
4135                                 Y(win) = win_g.y;
4136                                 WIDTH(win) = win_g.w;
4137                                 HEIGHT(win) = win_g.h;
4138                         }
4139                 }
4140
4141                 if (bordered != win->bordered) {
4142                         reconfigure = 1;
4143                         win->bordered = bordered;
4144                 }
4145
4146                 if (reconfigure) {
4147                         adjust_font(win);
4148                         update_window(win);
4149                 }
4150
4151                 map_window(win);
4152
4153                 last_h = win_g.h;
4154                 i++;
4155                 j++;
4156         }
4157
4158 notiles:
4159         /* now, stack all the floaters and transients */
4160         TAILQ_FOREACH(win, &ws->winlist, entry) {
4161                 if (!win->transient && !win->floating)
4162                         continue;
4163                 if (win->iconic)
4164                         continue;
4165                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4166                         fs_win = win;
4167                         continue;
4168                 }
4169
4170                 stack_floater(win, ws->r);
4171                 map_window(win);
4172         }
4173
4174         /* Make sure fs_win is stacked last so it's on top. */
4175         if (fs_win) {
4176                 stack_floater(fs_win, ws->r);
4177                 map_window(fs_win);
4178         }
4179 }
4180
4181 void
4182 vertical_config(struct workspace *ws, int id)
4183 {
4184         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
4185             id, ws->idx);
4186
4187         switch (id) {
4188         case SWM_ARG_ID_STACKRESET:
4189         case SWM_ARG_ID_STACKINIT:
4190                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
4191                 ws->l_state.vertical_mwin = 1;
4192                 ws->l_state.vertical_stacks = 1;
4193                 break;
4194         case SWM_ARG_ID_MASTERSHRINK:
4195                 if (ws->l_state.vertical_msize > 1)
4196                         ws->l_state.vertical_msize--;
4197                 break;
4198         case SWM_ARG_ID_MASTERGROW:
4199                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
4200                         ws->l_state.vertical_msize++;
4201                 break;
4202         case SWM_ARG_ID_MASTERADD:
4203                 ws->l_state.vertical_mwin++;
4204                 break;
4205         case SWM_ARG_ID_MASTERDEL:
4206                 if (ws->l_state.vertical_mwin > 0)
4207                         ws->l_state.vertical_mwin--;
4208                 break;
4209         case SWM_ARG_ID_STACKINC:
4210                 ws->l_state.vertical_stacks++;
4211                 break;
4212         case SWM_ARG_ID_STACKDEC:
4213                 if (ws->l_state.vertical_stacks > 1)
4214                         ws->l_state.vertical_stacks--;
4215                 break;
4216         case SWM_ARG_ID_FLIPLAYOUT:
4217                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
4218                 break;
4219         default:
4220                 return;
4221         }
4222 }
4223
4224 void
4225 vertical_stack(struct workspace *ws, struct swm_geometry *g)
4226 {
4227         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
4228
4229         stack_master(ws, g, 0, ws->l_state.vertical_flip);
4230 }
4231
4232 void
4233 horizontal_config(struct workspace *ws, int id)
4234 {
4235         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
4236
4237         switch (id) {
4238         case SWM_ARG_ID_STACKRESET:
4239         case SWM_ARG_ID_STACKINIT:
4240                 ws->l_state.horizontal_mwin = 1;
4241                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
4242                 ws->l_state.horizontal_stacks = 1;
4243                 break;
4244         case SWM_ARG_ID_MASTERSHRINK:
4245                 if (ws->l_state.horizontal_msize > 1)
4246                         ws->l_state.horizontal_msize--;
4247                 break;
4248         case SWM_ARG_ID_MASTERGROW:
4249                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
4250                         ws->l_state.horizontal_msize++;
4251                 break;
4252         case SWM_ARG_ID_MASTERADD:
4253                 ws->l_state.horizontal_mwin++;
4254                 break;
4255         case SWM_ARG_ID_MASTERDEL:
4256                 if (ws->l_state.horizontal_mwin > 0)
4257                         ws->l_state.horizontal_mwin--;
4258                 break;
4259         case SWM_ARG_ID_STACKINC:
4260                 ws->l_state.horizontal_stacks++;
4261                 break;
4262         case SWM_ARG_ID_STACKDEC:
4263                 if (ws->l_state.horizontal_stacks > 1)
4264                         ws->l_state.horizontal_stacks--;
4265                 break;
4266         case SWM_ARG_ID_FLIPLAYOUT:
4267                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
4268                 break;
4269         default:
4270                 return;
4271         }
4272 }
4273
4274 void
4275 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
4276 {
4277         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
4278
4279         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
4280 }
4281
4282 /* fullscreen view */
4283 void
4284 max_stack(struct workspace *ws, struct swm_geometry *g)
4285 {
4286         struct swm_geometry     gg = *g;
4287         struct ws_win           *w, *win = NULL, *parent = NULL;
4288         int                     winno, num_screens;
4289
4290         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
4291
4292         if (ws == NULL)
4293                 return;
4294
4295         winno = count_win(ws, 0);
4296         if (winno == 0 && count_win(ws, 1) == 0)
4297                 return;
4298
4299         /* Figure out which top level window should be visible. */
4300         if (ws->focus_pending)
4301                 win = ws->focus_pending;
4302         else if (ws->focus)
4303                 win = ws->focus;
4304         else
4305                 win = TAILQ_FIRST(&ws->winlist);
4306
4307         if (win->transient)
4308                 parent = find_window(win->transient);
4309
4310         DNPRINTF(SWM_D_STACK, "max_stack: win: 0x%x\n", win->id);
4311
4312         /* maximize all top level windows */
4313         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
4314         TAILQ_FOREACH(w, &ws->winlist, entry) {
4315                 if (w->transient || w->iconic)
4316                         continue;
4317
4318                 if (w->floating && !w->floatmaxed) {
4319                         /*
4320                          * retain geometry for retrieval on exit from
4321                          * max_stack mode
4322                          */
4323                         store_float_geom(w, ws->r);
4324                         w->floatmaxed = 1;
4325                 }
4326
4327                 /* only reconfigure if necessary */
4328                 if (X(w) != gg.x || Y(w) != gg.y || WIDTH(w) != gg.w ||
4329                     HEIGHT(w) != gg.h) {
4330                         w->g = gg;
4331                         if (bar_enabled && ws->bar_enabled){
4332                                 w->bordered = 1;
4333                         } else {
4334                                 w->bordered = 0;
4335                                 WIDTH(w) += 2 * border_width;
4336                                 HEIGHT(w) += 2 * border_width;
4337                         }
4338
4339                         update_window(w);
4340                 }
4341
4342                 /* Unmap unwanted windows if not multi-screen. */
4343                 if (!(num_screens > 1 || outputs > 1) && (w != win ||
4344                     w != parent || w->transient != win->id))
4345                         unmap_window(w);
4346         }
4347
4348         /* If a parent exists, map it first. */
4349         if (parent) {
4350                 map_window(parent);
4351
4352                 /* Map siblings next. */
4353                 TAILQ_FOREACH(w, &ws->winlist, entry)
4354                         if (w != win && !w->iconic &&
4355                             w->transient == parent->id) {
4356                                 stack_floater(w, ws->r);
4357                                 map_window(w);
4358                         }
4359         }
4360
4361         /* Map focused window. */
4362         map_window(win);
4363
4364         /* Finally, map children of focus window. */
4365         TAILQ_FOREACH(w, &ws->winlist, entry)
4366                 if (w->transient == win->id && !w->iconic) {
4367                         stack_floater(w, ws->r);
4368                         map_window(w);
4369                 }
4370 }
4371
4372 void
4373 send_to_ws(struct swm_region *r, union arg *args)
4374 {
4375         int                     wsid = args->id;
4376         struct ws_win           *win = NULL, *parent;
4377         struct workspace        *ws, *nws, *pws;
4378         char                    ws_idx_str[SWM_PROPLEN];
4379
4380         if (wsid >= workspace_limit)
4381                 return;
4382
4383         if (r && r->ws && r->ws->focus)
4384                 win = r->ws->focus;
4385         else
4386                 return;
4387
4388         if (win->ws->idx == wsid)
4389                 return;
4390
4391         DNPRINTF(SWM_D_MOVE, "send_to_ws: win 0x%x, ws %d -> %d\n", win->id,
4392             win->ws->idx, wsid);
4393
4394         ws = win->ws;
4395         nws = &win->s->ws[wsid];
4396
4397         /* Update the window's workspace property: _SWM_WS */
4398         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
4399                 if (focus_mode != SWM_FOCUS_FOLLOW)
4400                         ws->focus_pending = get_focus_prev(win);
4401
4402                 /* Move the parent if this is a transient window. */
4403                 if (win->transient) {
4404                         parent = find_window(win->transient);
4405                         if (parent) {
4406                                 pws = parent->ws;
4407                                 /* Set new focus in parent's ws if needed. */
4408                                 if (pws->focus == parent) {
4409                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4410                                                 pws->focus_pending =
4411                                                     get_focus_prev(parent);
4412
4413                                         unfocus_win(parent);
4414
4415                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4416                                                 pws->focus = pws->focus_pending;
4417
4418                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4419                                                 pws->focus_pending = NULL;
4420                                 }
4421
4422                                 /* Don't unmap parent if new ws is visible */
4423                                 if (nws->r == NULL)
4424                                         unmap_window(parent);
4425
4426                                 /* Transfer */
4427                                 TAILQ_REMOVE(&ws->winlist, parent, entry);
4428                                 TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
4429                                 parent->ws = nws;
4430
4431                                 DNPRINTF(SWM_D_PROP, "send_to_ws: set "
4432                                     "property: _SWM_WS: %s\n", ws_idx_str);
4433                                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE,
4434                                     parent->id, a_swm_ws, XCB_ATOM_STRING, 8,
4435                                     strlen(ws_idx_str), ws_idx_str);
4436                         }
4437                 }
4438
4439                 unfocus_win(win);
4440
4441                 /* Don't unmap if new ws is visible */
4442                 if (nws->r == NULL)
4443                         unmap_window(win);
4444
4445                 /* Transfer */
4446                 TAILQ_REMOVE(&ws->winlist, win, entry);
4447                 TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
4448                 win->ws = nws;
4449
4450                 /* Set focus on new ws. */
4451                 unfocus_win(nws->focus);
4452                 nws->focus = win;
4453
4454                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
4455                     ws_idx_str);
4456                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
4457                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
4458                     ws_idx_str);
4459
4460                 /* Restack and set new focus. */
4461                 stack();
4462
4463                 if (focus_mode != SWM_FOCUS_FOLLOW) {
4464                         focus_win(ws->focus_pending);
4465                         ws->focus_pending = NULL;
4466                 }
4467
4468                 focus_flush();
4469         }
4470
4471         DNPRINTF(SWM_D_MOVE, "send_to_ws: done.\n");
4472 }
4473
4474 void
4475 pressbutton(struct swm_region *r, union arg *args)
4476 {
4477         /* suppress unused warning since var is needed */
4478         (void)r;
4479
4480         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
4481             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4482         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
4483             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4484 }
4485
4486 void
4487 raise_toggle(struct swm_region *r, union arg *args)
4488 {
4489         /* suppress unused warning since var is needed */
4490         (void)args;
4491
4492         if (r == NULL || r->ws == NULL)
4493                 return;
4494
4495         r->ws->always_raise = !r->ws->always_raise;
4496
4497         /* bring floaters back to top */
4498         if (!r->ws->always_raise)
4499                 stack();
4500
4501         focus_flush();
4502 }
4503
4504 void
4505 iconify(struct swm_region *r, union arg *args)
4506 {
4507         /* suppress unused warning since var is needed */
4508         (void)args;
4509
4510         if (r->ws->focus == NULL)
4511                 return;
4512
4513         set_swm_iconic(r->ws->focus, 1);
4514
4515         xcb_flush(conn);
4516 }
4517
4518 char *
4519 get_win_name(xcb_window_t win)
4520 {
4521         char                            *name = NULL;
4522         xcb_get_property_cookie_t       c;
4523         xcb_get_property_reply_t        *r;
4524
4525         /* First try _NET_WM_NAME for UTF-8. */
4526         c = xcb_get_property(conn, 0, win, a_netwmname,
4527             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4528         r = xcb_get_property_reply(conn, c, NULL);
4529
4530         if (r) {
4531                 if (r->type == XCB_NONE) {
4532                         free(r);
4533                         /* Use WM_NAME instead; no UTF-8. */
4534                         c = xcb_get_property(conn, 0, win, XCB_ATOM_WM_NAME,
4535                                 XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4536                         r = xcb_get_property_reply(conn, c, NULL);
4537
4538                         if (!r)
4539                                 return (NULL);
4540                         if (r->type == XCB_NONE) {
4541                                 free(r);
4542                                 return (NULL);
4543                         }
4544                 }
4545                 if (r->length > 0)
4546                         name = strndup(xcb_get_property_value(r),
4547                                    xcb_get_property_value_length(r));
4548
4549                 free(r);
4550         }
4551
4552         return (name);
4553 }
4554
4555 void
4556 uniconify(struct swm_region *r, union arg *args)
4557 {
4558         struct ws_win           *win;
4559         FILE                    *lfile;
4560         char                    *name;
4561         int                     count = 0;
4562
4563         DNPRINTF(SWM_D_MISC, "uniconify\n");
4564
4565         if (r == NULL || r->ws == NULL)
4566                 return;
4567
4568         /* make sure we have anything to uniconify */
4569         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4570                 if (win->ws == NULL)
4571                         continue; /* should never happen */
4572                 if (!win->iconic)
4573                         continue;
4574                 count++;
4575         }
4576         if (count == 0)
4577                 return;
4578
4579         search_r = r;
4580         search_resp_action = SWM_SEARCH_UNICONIFY;
4581
4582         spawn_select(r, args, "search", &searchpid);
4583
4584         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4585                 return;
4586
4587         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4588                 if (win->ws == NULL)
4589                         continue; /* should never happen */
4590                 if (!win->iconic)
4591                         continue;
4592
4593                 name = get_win_name(win->id);
4594                 if (name == NULL)
4595                         continue;
4596                 fprintf(lfile, "%s.%u\n", name, win->id);
4597                 free(name);
4598         }
4599
4600         fclose(lfile);
4601 }
4602
4603 void
4604 name_workspace(struct swm_region *r, union arg *args)
4605 {
4606         FILE                    *lfile;
4607
4608         DNPRINTF(SWM_D_MISC, "name_workspace\n");
4609
4610         if (r == NULL)
4611                 return;
4612
4613         search_r = r;
4614         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
4615
4616         spawn_select(r, args, "name_workspace", &searchpid);
4617
4618         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4619                 return;
4620
4621         fprintf(lfile, "%s", "");
4622         fclose(lfile);
4623 }
4624
4625 void
4626 search_workspace(struct swm_region *r, union arg *args)
4627 {
4628         int                     i;
4629         struct workspace        *ws;
4630         FILE                    *lfile;
4631
4632         DNPRINTF(SWM_D_MISC, "search_workspace\n");
4633
4634         if (r == NULL)
4635                 return;
4636
4637         search_r = r;
4638         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
4639
4640         spawn_select(r, args, "search", &searchpid);
4641
4642         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4643                 return;
4644
4645         for (i = 0; i < workspace_limit; i++) {
4646                 ws = &r->s->ws[i];
4647                 if (ws == NULL)
4648                         continue;
4649                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
4650                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
4651         }
4652
4653         fclose(lfile);
4654 }
4655
4656 void
4657 search_win_cleanup(void)
4658 {
4659         struct search_window    *sw = NULL;
4660
4661         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
4662                 xcb_destroy_window(conn, sw->indicator);
4663                 TAILQ_REMOVE(&search_wl, sw, entry);
4664                 free(sw);
4665         }
4666 }
4667
4668 void
4669 search_win(struct swm_region *r, union arg *args)
4670 {
4671         struct ws_win           *win = NULL;
4672         struct search_window    *sw = NULL;
4673         xcb_window_t            w;
4674         uint32_t                wa[2];
4675         int                     i, width, height;
4676         char                    s[8];
4677         FILE                    *lfile;
4678         size_t                  len;
4679         XftDraw                 *draw;
4680         XGlyphInfo              info;
4681         GC                      l_draw;
4682         XGCValues               l_gcv;
4683         XRectangle              l_ibox, l_lbox;
4684
4685         DNPRINTF(SWM_D_MISC, "search_win\n");
4686
4687         search_r = r;
4688         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
4689
4690         spawn_select(r, args, "search", &searchpid);
4691
4692         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4693                 return;
4694
4695         TAILQ_INIT(&search_wl);
4696
4697         i = 1;
4698         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4699                 if (win->iconic)
4700                         continue;
4701
4702                 sw = calloc(1, sizeof(struct search_window));
4703                 if (sw == NULL) {
4704                         warn("search_win: calloc");
4705                         fclose(lfile);
4706                         search_win_cleanup();
4707                         return;
4708                 }
4709                 sw->idx = i;
4710                 sw->win = win;
4711
4712                 snprintf(s, sizeof s, "%d", i);
4713                 len = strlen(s);
4714
4715                 w = xcb_generate_id(conn);
4716                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
4717                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].pixel;
4718
4719                 if (bar_font_legacy) {
4720                         XmbTextExtents(bar_fs, s, len, &l_ibox, &l_lbox);
4721                         width = l_lbox.width + 4;
4722                         height = bar_fs_extents->max_logical_extent.height + 4;
4723                 } else {
4724                         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len,
4725                             &info);
4726                         width = info.width + 4;
4727                         height = bar_font->height + 4;
4728                 }
4729
4730                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
4731                     width, height, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
4732                     XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL |
4733                     XCB_CW_BORDER_PIXEL, wa);
4734
4735                 xcb_map_window(conn, w);
4736
4737                 sw->indicator = w;
4738                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
4739
4740                 if (bar_font_legacy) {
4741                         l_gcv.graphics_exposures = 0;
4742                         l_draw = XCreateGC(display, w, 0, &l_gcv);
4743
4744                         XSetForeground(display, l_draw,
4745                                 r->s->c[SWM_S_COLOR_BAR].pixel);
4746
4747                         DRAWSTRING(display, w, bar_fs, l_draw, 2,
4748                             (bar_fs_extents->max_logical_extent.height -
4749                             l_lbox.height) / 2 - l_lbox.y, s, len);
4750
4751                         XFreeGC(display, l_draw);
4752                 } else {
4753
4754                         draw = XftDrawCreate(display, w,
4755                             DefaultVisual(display, r->s->idx),
4756                             DefaultColormap(display, r->s->idx));
4757
4758                         XftDrawStringUtf8(draw, &bar_font_color, bar_font, 2,
4759                             (HEIGHT(r->bar) + bar_font->height) / 2 -
4760                             bar_font->descent, (FcChar8 *)s, len);
4761
4762                         XftDrawDestroy(draw);
4763                 }
4764
4765                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
4766
4767                 fprintf(lfile, "%d\n", i);
4768                 i++;
4769         }
4770
4771         fclose(lfile);
4772
4773         xcb_flush(conn);
4774 }
4775
4776 void
4777 search_resp_uniconify(const char *resp, unsigned long len)
4778 {
4779         char                    *name;
4780         struct ws_win           *win;
4781         char                    *s;
4782
4783         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
4784
4785         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
4786                 if (!win->iconic)
4787                         continue;
4788                 name = get_win_name(win->id);
4789                 if (name == NULL)
4790                         continue;
4791                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
4792                         free(name);
4793                         continue;
4794                 }
4795                 free(name);
4796                 if (strncmp(s, resp, len) == 0) {
4797                         /* XXX this should be a callback to generalize */
4798                         set_swm_iconic(win, 0);
4799                         free(s);
4800                         break;
4801                 }
4802                 free(s);
4803         }
4804 }
4805
4806 void
4807 search_resp_name_workspace(const char *resp, unsigned long len)
4808 {
4809         struct workspace        *ws;
4810
4811         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
4812
4813         if (search_r->ws == NULL)
4814                 return;
4815         ws = search_r->ws;
4816
4817         if (ws->name) {
4818                 free(search_r->ws->name);
4819                 search_r->ws->name = NULL;
4820         }
4821
4822         if (len > 1) {
4823                 ws->name = strdup(resp);
4824                 if (ws->name == NULL) {
4825                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
4826                             "strdup: %s", strerror(errno));
4827                         return;
4828                 }
4829         }
4830 }
4831
4832 void
4833 search_resp_search_workspace(const char *resp)
4834 {
4835         char                    *p, *q;
4836         int                     ws_idx;
4837         const char              *errstr;
4838         union arg               a;
4839
4840         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
4841
4842         q = strdup(resp);
4843         if (!q) {
4844                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
4845                     strerror(errno));
4846                 return;
4847         }
4848         p = strchr(q, ':');
4849         if (p != NULL)
4850                 *p = '\0';
4851         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
4852         if (errstr) {
4853                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4854                     errstr, q);
4855                 free(q);
4856                 return;
4857         }
4858         free(q);
4859         a.id = ws_idx - 1;
4860         switchws(search_r, &a);
4861 }
4862
4863 void
4864 search_resp_search_window(const char *resp)
4865 {
4866         char                    *s;
4867         int                     idx;
4868         const char              *errstr;
4869         struct search_window    *sw;
4870
4871         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4872
4873         s = strdup(resp);
4874         if (!s) {
4875                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4876                     strerror(errno));
4877                 return;
4878         }
4879
4880         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
4881         if (errstr) {
4882                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4883                     errstr, s);
4884                 free(s);
4885                 return;
4886         }
4887         free(s);
4888
4889         TAILQ_FOREACH(sw, &search_wl, entry)
4890                 if (idx == sw->idx) {
4891                         focus_win(sw->win);
4892                         break;
4893                 }
4894 }
4895
4896 #define MAX_RESP_LEN    1024
4897
4898 void
4899 search_do_resp(void)
4900 {
4901         ssize_t                 rbytes;
4902         char                    *resp;
4903         unsigned long           len;
4904
4905         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4906
4907         search_resp = 0;
4908         searchpid = 0;
4909
4910         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4911                 warn("search: calloc");
4912                 goto done;
4913         }
4914
4915         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4916         if (rbytes <= 0) {
4917                 warn("search: read error");
4918                 goto done;
4919         }
4920         resp[rbytes] = '\0';
4921
4922         /* XXX:
4923          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4924          * newline, so work around that by sanitizing the resp now.
4925          */
4926         resp[strcspn(resp, "\n")] = '\0';
4927         len = strlen(resp);
4928
4929         switch (search_resp_action) {
4930         case SWM_SEARCH_UNICONIFY:
4931                 search_resp_uniconify(resp, len);
4932                 break;
4933         case SWM_SEARCH_NAME_WORKSPACE:
4934                 search_resp_name_workspace(resp, len);
4935                 break;
4936         case SWM_SEARCH_SEARCH_WORKSPACE:
4937                 search_resp_search_workspace(resp);
4938                 break;
4939         case SWM_SEARCH_SEARCH_WINDOW:
4940                 search_resp_search_window(resp);
4941                 break;
4942         }
4943
4944 done:
4945         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4946                 search_win_cleanup();
4947
4948         search_resp_action = SWM_SEARCH_NONE;
4949         close(select_resp_pipe[0]);
4950         free(resp);
4951
4952         xcb_flush(conn);
4953 }
4954
4955 void
4956 wkill(struct swm_region *r, union arg *args)
4957 {
4958         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4959
4960         if (r->ws->focus == NULL)
4961                 return;
4962
4963         if (args->id == SWM_ARG_ID_KILLWINDOW)
4964                 xcb_kill_client(conn, r->ws->focus->id);
4965         else
4966                 if (r->ws->focus->can_delete)
4967                         client_msg(r->ws->focus, a_delete, 0);
4968
4969         focus_flush();
4970 }
4971
4972 int
4973 floating_toggle_win(struct ws_win *win)
4974 {
4975         struct swm_region       *r;
4976
4977         if (win == NULL)
4978                 return (0);
4979
4980         if (!win->ws->r)
4981                 return (0);
4982
4983         r = win->ws->r;
4984
4985         /* reject floating toggles in max stack mode */
4986         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4987                 return (0);
4988
4989         if (win->floating) {
4990                 if (!win->floatmaxed) {
4991                         /* retain position for refloat */
4992                         store_float_geom(win, r);
4993                 }
4994                 win->floating = 0;
4995         } else {
4996                 load_float_geom(win, r);
4997                 win->floating = 1;
4998         }
4999
5000         ewmh_update_actions(win);
5001
5002         return (1);
5003 }
5004
5005 void
5006 floating_toggle(struct swm_region *r, union arg *args)
5007 {
5008         struct ws_win           *win = r->ws->focus;
5009
5010         /* suppress unused warning since var is needed */
5011         (void)args;
5012
5013         if (win == NULL)
5014                 return;
5015
5016         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5017                 return;
5018
5019         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5020             _NET_WM_STATE_TOGGLE);
5021
5022         stack();
5023
5024         if (win == win->ws->focus)
5025                 focus_win(win);
5026
5027         focus_flush();
5028 }
5029
5030 void
5031 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
5032 {
5033         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
5034                 if (resizable)
5035                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
5036                 else
5037                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
5038         }
5039
5040         if (X(win) + BORDER(win) < X(r)) {
5041                 if (resizable)
5042                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
5043
5044                 X(win) = X(r) - BORDER(win);
5045         }
5046
5047         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
5048                 if (resizable)
5049                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
5050                 else
5051                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
5052         }
5053
5054         if (Y(win) + BORDER(win) < Y(r)) {
5055                 if (resizable)
5056                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
5057
5058                 Y(win) = Y(r) - BORDER(win);
5059         }
5060
5061         if (resizable) {
5062                 if (WIDTH(win) < 1)
5063                         WIDTH(win) = 1;
5064                 if (HEIGHT(win) < 1)
5065                         HEIGHT(win) = 1;
5066         }
5067 }
5068
5069 void
5070 update_window(struct ws_win *win)
5071 {
5072         uint16_t        mask;
5073         uint32_t        wc[5];
5074
5075         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
5076             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
5077             XCB_CONFIG_WINDOW_BORDER_WIDTH;
5078         wc[0] = X(win);
5079         wc[1] = Y(win);
5080         wc[2] = WIDTH(win);
5081         wc[3] = HEIGHT(win);
5082         wc[4] = BORDER(win);
5083
5084         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
5085             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
5086             wc[3], YESNO(win->bordered));
5087
5088         xcb_configure_window(conn, win->id, mask, wc);
5089 }
5090
5091 #define SWM_RESIZE_STEPS        (50)
5092
5093 void
5094 resize(struct ws_win *win, union arg *args)
5095 {
5096         xcb_timestamp_t         timestamp = 0;
5097         struct swm_region       *r = NULL;
5098         int                     resize_stp = 0;
5099         struct swm_geometry     g;
5100         int                     top = 0, left = 0, resizing;
5101         int                     dx, dy;
5102         xcb_cursor_t                    cursor;
5103         xcb_query_pointer_reply_t       *xpr;
5104         xcb_generic_event_t             *evt;
5105         xcb_motion_notify_event_t       *mne;
5106
5107         if (win == NULL)
5108                 return;
5109         r = win->ws->r;
5110
5111         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5112                 return;
5113
5114         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
5115             "transient: 0x%x\n", win->id, YESNO(win->floating),
5116             win->transient);
5117
5118         if (!win->transient && !win->floating)
5119                 return;
5120
5121         /* reject resizes in max mode for floaters (transient ok) */
5122         if (win->floatmaxed)
5123                 return;
5124
5125         win->manual = 1;
5126         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5127             _NET_WM_STATE_ADD);
5128
5129         stack();
5130
5131         focus_flush();
5132
5133         switch (args->id) {
5134         case SWM_ARG_ID_WIDTHSHRINK:
5135                 WIDTH(win) -= SWM_RESIZE_STEPS;
5136                 resize_stp = 1;
5137                 break;
5138         case SWM_ARG_ID_WIDTHGROW:
5139                 WIDTH(win) += SWM_RESIZE_STEPS;
5140                 resize_stp = 1;
5141                 break;
5142         case SWM_ARG_ID_HEIGHTSHRINK:
5143                 HEIGHT(win) -= SWM_RESIZE_STEPS;
5144                 resize_stp = 1;
5145                 break;
5146         case SWM_ARG_ID_HEIGHTGROW:
5147                 HEIGHT(win) += SWM_RESIZE_STEPS;
5148                 resize_stp = 1;
5149                 break;
5150         default:
5151                 break;
5152         }
5153         if (resize_stp) {
5154                 constrain_window(win, r, 1);
5155                 update_window(win);
5156                 store_float_geom(win,r);
5157                 return;
5158         }
5159
5160         /* get cursor offset from window root */
5161         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5162             NULL);
5163         if (!xpr)
5164                 return;
5165
5166         g = win->g;
5167
5168         if (xpr->win_x < WIDTH(win) / 2)
5169                 left = 1;
5170
5171         if (xpr->win_y < HEIGHT(win) / 2)
5172                 top = 1;
5173
5174         if (args->id == SWM_ARG_ID_CENTER)
5175                 cursor = cursors[XC_SIZING].cid;
5176         else if (top)
5177                 cursor = cursors[left ? XC_TOP_LEFT_CORNER :
5178                     XC_TOP_RIGHT_CORNER].cid;
5179         else
5180                 cursor = cursors[left ? XC_BOTTOM_LEFT_CORNER :
5181                     XC_BOTTOM_RIGHT_CORNER].cid;
5182
5183         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5184             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
5185             XCB_CURRENT_TIME),
5186
5187         xcb_flush(conn);
5188         resizing = 1;
5189         while ((evt = xcb_wait_for_event(conn)) && resizing) {
5190                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5191                 case XCB_BUTTON_RELEASE:
5192                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
5193                         resizing = 0;
5194                         break;
5195                 case XCB_MOTION_NOTIFY:
5196                         mne = (xcb_motion_notify_event_t *)evt;
5197                         /* cursor offset/delta from start of the operation */
5198                         dx = mne->root_x - xpr->root_x;
5199                         dy = mne->root_y - xpr->root_y;
5200
5201                         /* vertical */
5202                         if (top)
5203                                 dy = -dy;
5204
5205                         if (args->id == SWM_ARG_ID_CENTER) {
5206                                 if (g.h / 2 + dy < 1)
5207                                         dy = 1 - g.h / 2;
5208
5209                                 Y(win) = g.y - dy;
5210                                 HEIGHT(win) = g.h + 2 * dy;
5211                         } else {
5212                                 if (g.h + dy < 1)
5213                                         dy = 1 - g.h;
5214
5215                                 if (top)
5216                                         Y(win) = g.y - dy;
5217
5218                                 HEIGHT(win) = g.h + dy;
5219                         }
5220
5221                         /* horizontal */
5222                         if (left)
5223                                 dx = -dx;
5224
5225                         if (args->id == SWM_ARG_ID_CENTER) {
5226                                 if (g.w / 2 + dx < 1)
5227                                         dx = 1 - g.w / 2;
5228
5229                                 X(win) = g.x - dx;
5230                                 WIDTH(win) = g.w + 2 * dx;
5231                         } else {
5232                                 if (g.w + dx < 1)
5233                                         dx = 1 - g.w;
5234
5235                                 if (left)
5236                                         X(win) = g.x - dx;
5237
5238                                 WIDTH(win) = g.w + dx;
5239                         }
5240
5241                         constrain_window(win, r, 1);
5242
5243                         /* not free, don't sync more than 120 times / second */
5244                         if ((mne->time - timestamp) > (1000 / 120) ) {
5245                                 timestamp = mne->time;
5246                                 update_window(win);
5247                                 xcb_flush(conn);
5248                         }
5249                         break;
5250                 default:
5251                         event_handle(evt);
5252                         break;
5253                 }
5254                 free(evt);
5255         }
5256         if (timestamp) {
5257                 update_window(win);
5258                 xcb_flush(conn);
5259         }
5260         store_float_geom(win,r);
5261
5262         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5263         free(xpr);
5264         DNPRINTF(SWM_D_EVENT, "resize: done.\n");
5265 }
5266
5267 void
5268 resize_step(struct swm_region *r, union arg *args)
5269 {
5270         struct ws_win           *win = NULL;
5271
5272         if (r && r->ws && r->ws->focus)
5273                 win = r->ws->focus;
5274         else
5275                 return;
5276
5277         resize(win, args);
5278         focus_flush();
5279 }
5280
5281 #define SWM_MOVE_STEPS  (50)
5282
5283 void
5284 move(struct ws_win *win, union arg *args)
5285 {
5286         xcb_timestamp_t         timestamp = 0;
5287         int                     move_stp = 0, moving;
5288         struct swm_region       *r = NULL;
5289         xcb_query_pointer_reply_t       *qpr;
5290         xcb_generic_event_t             *evt;
5291         xcb_motion_notify_event_t       *mne;
5292
5293         if (win == NULL)
5294                 return;
5295         r = win->ws->r;
5296
5297         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5298                 return;
5299
5300         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
5301             "0x%x\n", win->id, YESNO(win->floating), win->transient);
5302
5303         /* in max_stack mode should only move transients */
5304         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
5305                 return;
5306
5307         win->manual = 1;
5308         if (!win->floating && !win->transient) {
5309                 store_float_geom(win, r);
5310                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5311                     _NET_WM_STATE_ADD);
5312         }
5313         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5314             _NET_WM_STATE_ADD);
5315
5316         stack();
5317
5318         focus_flush();
5319
5320         move_stp = 0;
5321         switch (args->id) {
5322         case SWM_ARG_ID_MOVELEFT:
5323                 X(win) -= (SWM_MOVE_STEPS - border_width);
5324                 move_stp = 1;
5325                 break;
5326         case SWM_ARG_ID_MOVERIGHT:
5327                 X(win) += (SWM_MOVE_STEPS - border_width);
5328                 move_stp = 1;
5329                 break;
5330         case SWM_ARG_ID_MOVEUP:
5331                 Y(win) -= (SWM_MOVE_STEPS - border_width);
5332                 move_stp = 1;
5333                 break;
5334         case SWM_ARG_ID_MOVEDOWN:
5335                 Y(win) += (SWM_MOVE_STEPS - border_width);
5336                 move_stp = 1;
5337                 break;
5338         default:
5339                 break;
5340         }
5341         if (move_stp) {
5342                 constrain_window(win, r, 0);
5343                 update_window(win);
5344                 store_float_geom(win, r);
5345                 return;
5346         }
5347
5348         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5349             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
5350             XCB_WINDOW_NONE, cursors[XC_FLEUR].cid, XCB_CURRENT_TIME);
5351
5352         /* get cursor offset from window root */
5353         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5354                 NULL);
5355         if (!qpr) {
5356                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5357                 return;
5358         }
5359
5360         xcb_flush(conn);
5361         moving = 1;
5362         while ((evt = xcb_wait_for_event(conn)) && moving) {
5363                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5364                 case XCB_BUTTON_RELEASE:
5365                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
5366                         moving = 0;
5367                         break;
5368                 case XCB_MOTION_NOTIFY:
5369                         mne = (xcb_motion_notify_event_t *)evt;
5370                         X(win) = mne->root_x - qpr->win_x - border_width;
5371                         Y(win) = mne->root_y - qpr->win_y - border_width;
5372
5373                         constrain_window(win, r, 0);
5374
5375                         /* not free, don't sync more than 120 times / second */
5376                         if ((mne->time - timestamp) > (1000 / 120) ) {
5377                                 timestamp = mne->time;
5378                                 update_window(win);
5379                                 xcb_flush(conn);
5380                         }
5381                         break;
5382                 default:
5383                         event_handle(evt);
5384                         break;
5385                 }
5386                 free(evt);
5387         }
5388         if (timestamp) {
5389                 update_window(win);
5390                 xcb_flush(conn);
5391         }
5392         store_float_geom(win, r);
5393         free(qpr);
5394         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5395         DNPRINTF(SWM_D_EVENT, "move: done.\n");
5396 }
5397
5398 void
5399 move_step(struct swm_region *r, union arg *args)
5400 {
5401         struct ws_win           *win = NULL;
5402
5403         if (r && r->ws && r->ws->focus)
5404                 win = r->ws->focus;
5405         else
5406                 return;
5407
5408         if (!win->transient && !win->floating)
5409                 return;
5410
5411         move(win, args);
5412         focus_flush();
5413 }
5414
5415 /* key definitions */
5416 struct keyfunc {
5417         char                    name[SWM_FUNCNAME_LEN];
5418         void                    (*func)(struct swm_region *r, union arg *);
5419         union arg               args;
5420 } keyfuncs[KF_INVALID + 1] = {
5421         /* name                 function        argument */
5422         { "bar_toggle",         bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE} },
5423         { "bar_toggle_ws",      bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE_WS} },
5424         { "button2",            pressbutton,    {2} },
5425         { "cycle_layout",       cycle_layout,   {0} },
5426         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
5427         { "float_toggle",       floating_toggle,{0} },
5428         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
5429         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
5430         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
5431         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
5432         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
5433         { "iconify",            iconify,        {0} },
5434         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
5435         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
5436         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
5437         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
5438         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
5439         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
5440         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
5441         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
5442         { "mvws_1",             send_to_ws,     {.id = 0} },
5443         { "mvws_2",             send_to_ws,     {.id = 1} },
5444         { "mvws_3",             send_to_ws,     {.id = 2} },
5445         { "mvws_4",             send_to_ws,     {.id = 3} },
5446         { "mvws_5",             send_to_ws,     {.id = 4} },
5447         { "mvws_6",             send_to_ws,     {.id = 5} },
5448         { "mvws_7",             send_to_ws,     {.id = 6} },
5449         { "mvws_8",             send_to_ws,     {.id = 7} },
5450         { "mvws_9",             send_to_ws,     {.id = 8} },
5451         { "mvws_10",            send_to_ws,     {.id = 9} },
5452         { "mvws_11",            send_to_ws,     {.id = 10} },
5453         { "mvws_12",            send_to_ws,     {.id = 11} },
5454         { "mvws_13",            send_to_ws,     {.id = 12} },
5455         { "mvws_14",            send_to_ws,     {.id = 13} },
5456         { "mvws_15",            send_to_ws,     {.id = 14} },
5457         { "mvws_16",            send_to_ws,     {.id = 15} },
5458         { "mvws_17",            send_to_ws,     {.id = 16} },
5459         { "mvws_18",            send_to_ws,     {.id = 17} },
5460         { "mvws_19",            send_to_ws,     {.id = 18} },
5461         { "mvws_20",            send_to_ws,     {.id = 19} },
5462         { "mvws_21",            send_to_ws,     {.id = 20} },
5463         { "mvws_22",            send_to_ws,     {.id = 21} },
5464         { "name_workspace",     name_workspace, {0} },
5465         { "quit",               quit,           {0} },
5466         { "raise_toggle",       raise_toggle,   {0} },
5467         { "restart",            restart,        {0} },
5468         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
5469         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
5470         { "search_win",         search_win,     {0} },
5471         { "search_workspace",   search_workspace,       {0} },
5472         { "spawn_custom",       NULL,           {0} },
5473         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
5474         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
5475         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
5476         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
5477         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
5478         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
5479         { "uniconify",          uniconify,      {0} },
5480         { "version",            version,        {0} },
5481         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
5482         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
5483         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
5484         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
5485         { "ws_1",               switchws,       {.id = 0} },
5486         { "ws_2",               switchws,       {.id = 1} },
5487         { "ws_3",               switchws,       {.id = 2} },
5488         { "ws_4",               switchws,       {.id = 3} },
5489         { "ws_5",               switchws,       {.id = 4} },
5490         { "ws_6",               switchws,       {.id = 5} },
5491         { "ws_7",               switchws,       {.id = 6} },
5492         { "ws_8",               switchws,       {.id = 7} },
5493         { "ws_9",               switchws,       {.id = 8} },
5494         { "ws_10",              switchws,       {.id = 9} },
5495         { "ws_11",              switchws,       {.id = 10} },
5496         { "ws_12",              switchws,       {.id = 11} },
5497         { "ws_13",              switchws,       {.id = 12} },
5498         { "ws_14",              switchws,       {.id = 13} },
5499         { "ws_15",              switchws,       {.id = 14} },
5500         { "ws_16",              switchws,       {.id = 15} },
5501         { "ws_17",              switchws,       {.id = 16} },
5502         { "ws_18",              switchws,       {.id = 17} },
5503         { "ws_19",              switchws,       {.id = 18} },
5504         { "ws_20",              switchws,       {.id = 19} },
5505         { "ws_21",              switchws,       {.id = 20} },
5506         { "ws_22",              switchws,       {.id = 21} },
5507         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
5508         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
5509         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
5510         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
5511         { "ws_prior",           priorws,        {0} },
5512         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
5513         { "invalid key func",   NULL,           {0} },
5514 };
5515
5516 int
5517 key_cmp(struct key *kp1, struct key *kp2)
5518 {
5519         if (kp1->keysym < kp2->keysym)
5520                 return (-1);
5521         if (kp1->keysym > kp2->keysym)
5522                 return (1);
5523
5524         if (kp1->mod < kp2->mod)
5525                 return (-1);
5526         if (kp1->mod > kp2->mod)
5527                 return (1);
5528
5529         return (0);
5530 }
5531
5532 /* mouse */
5533 enum { client_click, root_click };
5534 struct button {
5535         unsigned int            action;
5536         unsigned int            mask;
5537         unsigned int            button;
5538         void                    (*func)(struct ws_win *, union arg *);
5539         union arg               args;
5540 } buttons[] = {
5541 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
5542           /* action     key             mouse button    func    args */
5543         { client_click, MODKEY,         XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_DONTCENTER} },
5544         { client_click, MODKEY_SHIFT,   XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_CENTER} },
5545         { client_click, MODKEY,         XCB_BUTTON_INDEX_1,     move,   {0} },
5546 #undef MODKEY_SHIFT
5547 };
5548
5549 void
5550 update_modkey(unsigned int mod)
5551 {
5552         int                     i;
5553         struct key              *kp;
5554
5555         mod_key = mod;
5556         RB_FOREACH(kp, key_tree, &keys)
5557                 if (kp->mod & XCB_MOD_MASK_SHIFT)
5558                         kp->mod = mod | XCB_MOD_MASK_SHIFT;
5559                 else
5560                         kp->mod = mod;
5561
5562         for (i = 0; i < LENGTH(buttons); i++)
5563                 if (buttons[i].mask & XCB_MOD_MASK_SHIFT)
5564                         buttons[i].mask = mod | XCB_MOD_MASK_SHIFT;
5565                 else
5566                         buttons[i].mask = mod;
5567 }
5568
5569 int
5570 spawn_expand(struct swm_region *r, union arg *args, const char *spawn_name,
5571     char ***ret_args)
5572 {
5573         struct spawn_prog       *prog = NULL;
5574         int                     i;
5575         char                    *ap, **real_args;
5576
5577         /* suppress unused warning since var is needed */
5578         (void)args;
5579
5580         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
5581
5582         /* find program */
5583         TAILQ_FOREACH(prog, &spawns, entry) {
5584                 if (!strcasecmp(spawn_name, prog->name))
5585                         break;
5586         }
5587         if (prog == NULL) {
5588                 warnx("spawn_custom: program %s not found", spawn_name);
5589                 return (-1);
5590         }
5591
5592         /* make room for expanded args */
5593         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
5594                 err(1, "spawn_custom: calloc real_args");
5595
5596         /* expand spawn_args into real_args */
5597         for (i = 0; i < prog->argc; i++) {
5598                 ap = prog->argv[i];
5599                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
5600                 if (!strcasecmp(ap, "$bar_border")) {
5601                         if ((real_args[i] =
5602                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
5603                             == NULL)
5604                                 err(1,  "spawn_custom border color");
5605                 } else if (!strcasecmp(ap, "$bar_color")) {
5606                         if ((real_args[i] =
5607                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
5608                             == NULL)
5609                                 err(1, "spawn_custom bar color");
5610                 } else if (!strcasecmp(ap, "$bar_font")) {
5611                         if ((real_args[i] = strdup(bar_fonts))
5612                             == NULL)
5613                                 err(1, "spawn_custom bar fonts");
5614                 } else if (!strcasecmp(ap, "$bar_font_color")) {
5615                         if ((real_args[i] =
5616                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
5617                             == NULL)
5618                                 err(1, "spawn_custom color font");
5619                 } else if (!strcasecmp(ap, "$color_focus")) {
5620                         if ((real_args[i] =
5621                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
5622                             == NULL)
5623                                 err(1, "spawn_custom color focus");
5624                 } else if (!strcasecmp(ap, "$color_unfocus")) {
5625                         if ((real_args[i] =
5626                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
5627                             == NULL)
5628                                 err(1, "spawn_custom color unfocus");
5629                 } else {
5630                         /* no match --> copy as is */
5631                         if ((real_args[i] = strdup(ap)) == NULL)
5632                                 err(1, "spawn_custom strdup(ap)");
5633                 }
5634                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
5635                     real_args[i]);
5636         }
5637
5638 #ifdef SWM_DEBUG
5639         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
5640         for (i = 0; i < prog->argc; i++)
5641                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
5642         DNPRINTF(SWM_D_SPAWN, "\n");
5643 #endif
5644         *ret_args = real_args;
5645         return (prog->argc);
5646 }
5647
5648 void
5649 spawn_custom(struct swm_region *r, union arg *args, const char *spawn_name)
5650 {
5651         union arg               a;
5652         char                    **real_args;
5653         int                     spawn_argc, i;
5654
5655         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5656                 return;
5657         a.argv = real_args;
5658         if (fork() == 0)
5659                 spawn(r->ws->idx, &a, 1);
5660
5661         for (i = 0; i < spawn_argc; i++)
5662                 free(real_args[i]);
5663         free(real_args);
5664 }
5665
5666 void
5667 spawn_select(struct swm_region *r, union arg *args, const char *spawn_name,
5668     int *pid)
5669 {
5670         union arg               a;
5671         char                    **real_args;
5672         int                     i, spawn_argc;
5673
5674         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5675                 return;
5676         a.argv = real_args;
5677
5678         if (pipe(select_list_pipe) == -1)
5679                 err(1, "pipe error");
5680         if (pipe(select_resp_pipe) == -1)
5681                 err(1, "pipe error");
5682
5683         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
5684                 err(1, "could not disable SIGPIPE");
5685         switch (*pid = fork()) {
5686         case -1:
5687                 err(1, "cannot fork");
5688                 break;
5689         case 0: /* child */
5690                 if (dup2(select_list_pipe[0], 0) == -1)
5691                         err(1, "dup2");
5692                 if (dup2(select_resp_pipe[1], 1) == -1)
5693                         err(1, "dup2");
5694                 close(select_list_pipe[1]);
5695                 close(select_resp_pipe[0]);
5696                 spawn(r->ws->idx, &a, 0);
5697                 break;
5698         default: /* parent */
5699                 close(select_list_pipe[0]);
5700                 close(select_resp_pipe[1]);
5701                 break;
5702         }
5703
5704         for (i = 0; i < spawn_argc; i++)
5705                 free(real_args[i]);
5706         free(real_args);
5707 }
5708
5709 void
5710 spawn_insert(const char *name, const char *args)
5711 {
5712         char                    *arg, *cp, *ptr;
5713         struct spawn_prog       *sp;
5714
5715         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5716
5717         if ((sp = calloc(1, sizeof *sp)) == NULL)
5718                 err(1, "spawn_insert: calloc");
5719         if ((sp->name = strdup(name)) == NULL)
5720                 err(1, "spawn_insert: strdup");
5721
5722         /* convert the arguments to an argument list */
5723         if ((ptr = cp = strdup(args)) == NULL)
5724                 err(1, "spawn_insert: strdup");
5725         while ((arg = strsep(&ptr, " \t")) != NULL) {
5726                 /* empty field; skip it */
5727                 if (*arg == '\0')
5728                         continue;
5729
5730                 sp->argc++;
5731                 if ((sp->argv = realloc(sp->argv, sp->argc *
5732                     sizeof *sp->argv)) == NULL)
5733                         err(1, "spawn_insert: realloc");
5734                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5735                         err(1, "spawn_insert: strdup");
5736         }
5737         free(cp);
5738
5739         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5740         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5741 }
5742
5743 void
5744 spawn_remove(struct spawn_prog *sp)
5745 {
5746         int                     i;
5747
5748         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5749
5750         TAILQ_REMOVE(&spawns, sp, entry);
5751         for (i = 0; i < sp->argc; i++)
5752                 free(sp->argv[i]);
5753         free(sp->argv);
5754         free(sp->name);
5755         free(sp);
5756
5757         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5758 }
5759
5760 void
5761 spawn_replace(struct spawn_prog *sp, const char *name, const char *args)
5762 {
5763         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5764
5765         spawn_remove(sp);
5766         spawn_insert(name, args);
5767
5768         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5769 }
5770
5771 void
5772 setspawn(const char *name, const char *args)
5773 {
5774         struct spawn_prog       *sp;
5775
5776         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5777
5778         if (name == NULL)
5779                 return;
5780
5781         TAILQ_FOREACH(sp, &spawns, entry) {
5782                 if (!strcmp(sp->name, name)) {
5783                         if (*args == '\0')
5784                                 spawn_remove(sp);
5785                         else
5786                                 spawn_replace(sp, name, args);
5787                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5788                         return;
5789                 }
5790         }
5791         if (*args == '\0') {
5792                 warnx("error: setspawn: cannot find program: %s", name);
5793                 return;
5794         }
5795
5796         spawn_insert(name, args);
5797         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5798 }
5799
5800 int
5801 setconfspawn(char *selector, char *value, int flags)
5802 {
5803         char *args;
5804
5805         /* suppress unused warning since var is needed */
5806         (void)flags;
5807
5808         args = expand_tilde(value);
5809
5810         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, args);
5811
5812         setspawn(selector, args);
5813         free(args);
5814
5815         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done.\n");
5816         return (0);
5817 }
5818
5819 void
5820 setup_spawn(void)
5821 {
5822         setconfspawn("term",            "xterm",                0);
5823         setconfspawn("spawn_term",      "xterm",                0);
5824         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5825         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5826         setconfspawn("lock",            "xlock",                0);
5827         setconfspawn("initscr",         "initscreen.sh",        0);
5828         setconfspawn("menu",            "dmenu_run"
5829                                         " -fn $bar_font"
5830                                         " -nb $bar_color"
5831                                         " -nf $bar_font_color"
5832                                         " -sb $bar_border"
5833                                         " -sf $bar_color",      0);
5834         setconfspawn("search",          "dmenu"
5835                                         " -i"
5836                                         " -fn $bar_font"
5837                                         " -nb $bar_color"
5838                                         " -nf $bar_font_color"
5839                                         " -sb $bar_border"
5840                                         " -sf $bar_color",      0);
5841         setconfspawn("name_workspace",  "dmenu"
5842                                         " -p Workspace"
5843                                         " -fn $bar_font"
5844                                         " -nb $bar_color"
5845                                         " -nf $bar_font_color"
5846                                         " -sb $bar_border"
5847                                         " -sf $bar_color",      0);
5848 }
5849
5850 /* key bindings */
5851 #define SWM_MODNAME_SIZE        32
5852 #define SWM_KEY_WS              "\n+ \t"
5853 int
5854 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5855 {
5856         char                    *cp, *name;
5857         KeySym                  uks;
5858         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5859         if (mod == NULL || ks == NULL) {
5860                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5861                 return (1);
5862         }
5863         if (keystr == NULL || strlen(keystr) == 0) {
5864                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5865                 return (1);
5866         }
5867         cp = keystr;
5868         *ks = XCB_NO_SYMBOL;
5869         *mod = 0;
5870         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5871                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5872                 if (cp)
5873                         cp += (long)strspn(cp, SWM_KEY_WS);
5874                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5875                         *mod |= currmod;
5876                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5877                         *mod |= XCB_MOD_MASK_1;
5878                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5879                         *mod += XCB_MOD_MASK_2;
5880                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5881                         *mod |= XCB_MOD_MASK_3;
5882                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5883                         *mod |= XCB_MOD_MASK_4;
5884                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5885                         *mod |= XCB_MOD_MASK_SHIFT;
5886                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5887                         *mod |= XCB_MOD_MASK_CONTROL;
5888                 else {
5889                         *ks = XStringToKeysym(name);
5890                         XConvertCase(*ks, ks, &uks);
5891                         if (ks == XCB_NO_SYMBOL) {
5892                                 DNPRINTF(SWM_D_KEY,
5893                                     "parsekeys: invalid key %s\n",
5894                                     name);
5895                                 return (1);
5896                         }
5897                 }
5898         }
5899         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5900         return (0);
5901 }
5902
5903 char *
5904 strdupsafe(const char *str)
5905 {
5906         if (str == NULL)
5907                 return (NULL);
5908         else
5909                 return (strdup(str));
5910 }
5911
5912 void
5913 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5914     const char *spawn_name)
5915 {
5916         struct key              *kp;
5917
5918         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5919             keyfuncs[kfid].name, spawn_name);
5920
5921         if ((kp = malloc(sizeof *kp)) == NULL)
5922                 err(1, "key_insert: malloc");
5923
5924         kp->mod = mod;
5925         kp->keysym = ks;
5926         kp->funcid = kfid;
5927         kp->spawn_name = strdupsafe(spawn_name);
5928         RB_INSERT(key_tree, &keys, kp);
5929
5930         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5931 }
5932
5933 struct key *
5934 key_lookup(unsigned int mod, KeySym ks)
5935 {
5936         struct key              kp;
5937
5938         kp.keysym = ks;
5939         kp.mod = mod;
5940
5941         return (RB_FIND(key_tree, &keys, &kp));
5942 }
5943
5944 void
5945 key_remove(struct key *kp)
5946 {
5947         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5948
5949         RB_REMOVE(key_tree, &keys, kp);
5950         free(kp->spawn_name);
5951         free(kp);
5952
5953         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5954 }
5955
5956 void
5957 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5958     const char *spawn_name)
5959 {
5960         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5961             spawn_name);
5962
5963         key_remove(kp);
5964         key_insert(mod, ks, kfid, spawn_name);
5965
5966         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5967 }
5968
5969 void
5970 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5971     const char *spawn_name)
5972 {
5973         struct key              *kp;
5974
5975         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5976             keyfuncs[kfid].name, spawn_name);
5977
5978         if ((kp = key_lookup(mod, ks)) != NULL) {
5979                 if (kfid == KF_INVALID)
5980                         key_remove(kp);
5981                 else
5982                         key_replace(kp, mod, ks, kfid, spawn_name);
5983                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5984                 return;
5985         }
5986         if (kfid == KF_INVALID) {
5987                 warnx("bind: Key combination already unbound.");
5988                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5989                 return;
5990         }
5991
5992         key_insert(mod, ks, kfid, spawn_name);
5993         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5994 }
5995
5996 int
5997 setconfbinding(char *selector, char *value, int flags)
5998 {
5999         enum keyfuncid          kfid;
6000         unsigned int            mod;
6001         KeySym                  ks;
6002         struct spawn_prog       *sp;
6003
6004         /* suppress unused warning since var is needed */
6005         (void)flags;
6006
6007         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
6008         if (selector == NULL) {
6009                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
6010                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6011                         kfid = KF_INVALID;
6012                         setkeybinding(mod, ks, kfid, NULL);
6013                         return (0);
6014                 } else
6015                         return (1);
6016         }
6017         /* search by key function name */
6018         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
6019                 if (strncasecmp(selector, keyfuncs[kfid].name,
6020                     SWM_FUNCNAME_LEN) == 0) {
6021                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
6022                             selector);
6023                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6024                                 setkeybinding(mod, ks, kfid, NULL);
6025                                 return (0);
6026                         } else
6027                                 return (1);
6028                 }
6029         }
6030         /* search by custom spawn name */
6031         TAILQ_FOREACH(sp, &spawns, entry) {
6032                 if (strcasecmp(selector, sp->name) == 0) {
6033                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
6034                             selector);
6035                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6036                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
6037                                     sp->name);
6038                                 return (0);
6039                         } else
6040                                 return (1);
6041                 }
6042         }
6043         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
6044         return (1);
6045 }
6046
6047 void
6048 setup_keys(void)
6049 {
6050 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
6051         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
6052         setkeybinding(MODKEY_SHIFT,     XK_backslash,   KF_FLIP_LAYOUT, NULL);
6053         setkeybinding(MODKEY_SHIFT,     XK_space,       KF_STACK_RESET, NULL);
6054         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
6055         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
6056         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
6057         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
6058         setkeybinding(MODKEY_SHIFT,     XK_comma,       KF_STACK_INC,   NULL);
6059         setkeybinding(MODKEY_SHIFT,     XK_period,      KF_STACK_DEC,   NULL);
6060         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
6061         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
6062         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
6063         setkeybinding(MODKEY_SHIFT,     XK_j,           KF_SWAP_NEXT,   NULL);
6064         setkeybinding(MODKEY_SHIFT,     XK_k,           KF_SWAP_PREV,   NULL);
6065         setkeybinding(MODKEY_SHIFT,     XK_Return,      KF_SPAWN_CUSTOM,"term");
6066         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
6067         setkeybinding(MODKEY_SHIFT,     XK_q,           KF_QUIT,        NULL);
6068         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
6069         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
6070         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
6071         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
6072         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
6073         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
6074         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
6075         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
6076         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
6077         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
6078         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
6079         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
6080         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
6081         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
6082         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
6083         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
6084         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
6085         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
6086         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
6087         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
6088         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
6089         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
6090         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
6091         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
6092         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
6093         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
6094         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
6095         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
6096         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
6097         setkeybinding(MODKEY_SHIFT,     XK_Right,       KF_SCREEN_NEXT, NULL);
6098         setkeybinding(MODKEY_SHIFT,     XK_Left,        KF_SCREEN_PREV, NULL);
6099         setkeybinding(MODKEY_SHIFT,     XK_1,           KF_MVWS_1,      NULL);
6100         setkeybinding(MODKEY_SHIFT,     XK_2,           KF_MVWS_2,      NULL);
6101         setkeybinding(MODKEY_SHIFT,     XK_3,           KF_MVWS_3,      NULL);
6102         setkeybinding(MODKEY_SHIFT,     XK_4,           KF_MVWS_4,      NULL);
6103         setkeybinding(MODKEY_SHIFT,     XK_5,           KF_MVWS_5,      NULL);
6104         setkeybinding(MODKEY_SHIFT,     XK_6,           KF_MVWS_6,      NULL);
6105         setkeybinding(MODKEY_SHIFT,     XK_7,           KF_MVWS_7,      NULL);
6106         setkeybinding(MODKEY_SHIFT,     XK_8,           KF_MVWS_8,      NULL);
6107         setkeybinding(MODKEY_SHIFT,     XK_9,           KF_MVWS_9,      NULL);
6108         setkeybinding(MODKEY_SHIFT,     XK_0,           KF_MVWS_10,     NULL);
6109         setkeybinding(MODKEY_SHIFT,     XK_F1,          KF_MVWS_11,     NULL);
6110         setkeybinding(MODKEY_SHIFT,     XK_F2,          KF_MVWS_12,     NULL);
6111         setkeybinding(MODKEY_SHIFT,     XK_F3,          KF_MVWS_13,     NULL);
6112         setkeybinding(MODKEY_SHIFT,     XK_F4,          KF_MVWS_14,     NULL);
6113         setkeybinding(MODKEY_SHIFT,     XK_F5,          KF_MVWS_15,     NULL);
6114         setkeybinding(MODKEY_SHIFT,     XK_F6,          KF_MVWS_16,     NULL);
6115         setkeybinding(MODKEY_SHIFT,     XK_F7,          KF_MVWS_17,     NULL);
6116         setkeybinding(MODKEY_SHIFT,     XK_F8,          KF_MVWS_18,     NULL);
6117         setkeybinding(MODKEY_SHIFT,     XK_F9,          KF_MVWS_19,     NULL);
6118         setkeybinding(MODKEY_SHIFT,     XK_F10,         KF_MVWS_20,     NULL);
6119         setkeybinding(MODKEY_SHIFT,     XK_F11,         KF_MVWS_21,     NULL);
6120         setkeybinding(MODKEY_SHIFT,     XK_F12,         KF_MVWS_22,     NULL);
6121         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
6122         setkeybinding(MODKEY_SHIFT,     XK_b,           KF_BAR_TOGGLE_WS,NULL);
6123         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
6124         setkeybinding(MODKEY_SHIFT,     XK_Tab,         KF_FOCUS_PREV,  NULL);
6125         setkeybinding(MODKEY_SHIFT,     XK_x,           KF_WIND_KILL,   NULL);
6126         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
6127         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
6128         setkeybinding(MODKEY_SHIFT,     XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
6129         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
6130         setkeybinding(MODKEY_SHIFT,     XK_v,           KF_VERSION,     NULL);
6131         setkeybinding(MODKEY_SHIFT,     XK_Delete,      KF_SPAWN_CUSTOM,"lock");
6132         setkeybinding(MODKEY_SHIFT,     XK_i,           KF_SPAWN_CUSTOM,"initscr");
6133         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
6134         setkeybinding(MODKEY_SHIFT,     XK_w,           KF_UNICONIFY,   NULL);
6135         setkeybinding(MODKEY_SHIFT,     XK_r,           KF_RAISE_TOGGLE,NULL);
6136         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
6137         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
6138         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
6139         setkeybinding(MODKEY_SHIFT,     XK_equal,       KF_HEIGHT_GROW,NULL);
6140         setkeybinding(MODKEY_SHIFT,     XK_minus,       KF_HEIGHT_SHRINK,NULL);
6141         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
6142         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
6143         setkeybinding(MODKEY_SHIFT,     XK_bracketleft, KF_MOVE_UP,     NULL);
6144         setkeybinding(MODKEY_SHIFT,     XK_bracketright,KF_MOVE_DOWN,NULL);
6145         setkeybinding(MODKEY_SHIFT,     XK_slash,       KF_NAME_WORKSPACE,NULL);
6146         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
6147         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
6148 #ifdef SWM_DEBUG
6149         setkeybinding(MODKEY_SHIFT,     XK_d,           KF_DUMPWINS,    NULL);
6150 #endif
6151 #undef MODKEY_SHIFT
6152 }
6153
6154 void
6155 clear_keys(void)
6156 {
6157         struct key              *kp;
6158
6159         while (RB_EMPTY(&keys) == 0) {
6160                 kp = RB_ROOT(&keys);
6161                 key_remove(kp);
6162         }
6163 }
6164
6165 int
6166 setkeymapping(char *selector, char *value, int flags)
6167 {
6168         char                    keymapping_file[PATH_MAX];
6169
6170         /* suppress unused warnings since vars are needed */
6171         (void)selector;
6172         (void)flags;
6173
6174         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
6175         if (value[0] == '~')
6176                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
6177                     pwd->pw_dir, &value[1]);
6178         else
6179                 strlcpy(keymapping_file, value, sizeof keymapping_file);
6180         clear_keys();
6181         /* load new key bindings; if it fails, revert to default bindings */
6182         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
6183                 clear_keys();
6184                 setup_keys();
6185         }
6186         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
6187         return (0);
6188 }
6189
6190 void
6191 updatenumlockmask(void)
6192 {
6193         unsigned int                            i, j;
6194         xcb_get_modifier_mapping_reply_t        *modmap_r;
6195         xcb_keycode_t                           *modmap, kc, *keycode;
6196
6197         numlockmask = 0;
6198
6199         modmap_r = xcb_get_modifier_mapping_reply(conn,
6200             xcb_get_modifier_mapping(conn),
6201             NULL);
6202         if (modmap_r) {
6203                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
6204                 for (i = 0; i < 8; i++) {
6205                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
6206                                 kc = modmap[i * modmap_r->keycodes_per_modifier
6207                                     + j];
6208                                 keycode = xcb_key_symbols_get_keycode(syms,
6209                                                 XK_Num_Lock);
6210                                 if (kc == *keycode)
6211                                         numlockmask = (1 << i);
6212                                 free(keycode);
6213                         }
6214                 }
6215                 free(modmap_r);
6216         }
6217         DNPRINTF(SWM_D_MISC, "updatenumlockmask: %d\n", numlockmask);
6218 }
6219
6220 void
6221 grabkeys(void)
6222 {
6223         struct key              *kp;
6224         int                     num_screens, k, j;
6225         unsigned int            modifiers[4];
6226         xcb_keycode_t           *code;
6227
6228         DNPRINTF(SWM_D_MISC, "grabkeys\n");
6229         updatenumlockmask();
6230
6231         modifiers[0] = 0;
6232         modifiers[1] = numlockmask;
6233         modifiers[2] = XCB_MOD_MASK_LOCK;
6234         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6235
6236         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6237         for (k = 0; k < num_screens; k++) {
6238                 if (TAILQ_EMPTY(&screens[k].rl))
6239                         continue;
6240                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
6241                         XCB_MOD_MASK_ANY);
6242                 RB_FOREACH(kp, key_tree, &keys) {
6243                         if ((code = xcb_key_symbols_get_keycode(syms,
6244                                         kp->keysym))) {
6245                                 for (j = 0; j < LENGTH(modifiers); j++)
6246                                         xcb_grab_key(conn, 1,
6247                                             screens[k].root,
6248                                             kp->mod | modifiers[j],
6249                                             *code, XCB_GRAB_MODE_SYNC,
6250                                             XCB_GRAB_MODE_ASYNC);
6251                                 free(code);
6252                         }
6253                 }
6254         }
6255 }
6256
6257 void
6258 grabbuttons(struct ws_win *win)
6259 {
6260         unsigned int    modifiers[4];
6261         int             i, j;
6262
6263         DNPRINTF(SWM_D_MOUSE, "grabbuttons: win 0x%x\n", win->id);
6264         updatenumlockmask();
6265
6266         modifiers[0] = 0;
6267         modifiers[1] = numlockmask;
6268         modifiers[2] = XCB_MOD_MASK_LOCK;
6269         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6270
6271         for (i = 0; i < LENGTH(buttons); i++)
6272                 if (buttons[i].action == client_click)
6273                         for (j = 0; j < LENGTH(modifiers); ++j)
6274                                 xcb_grab_button(conn, 0, win->id, BUTTONMASK,
6275                                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC,
6276                                     XCB_WINDOW_NONE, XCB_CURSOR_NONE,
6277                                     buttons[i].button, buttons[i].mask |
6278                                     modifiers[j]);
6279 }
6280
6281 const char *quirkname[] = {
6282         "NONE",         /* config string for "no value" */
6283         "FLOAT",
6284         "TRANSSZ",
6285         "ANYWHERE",
6286         "XTERM_FONTADJ",
6287         "FULLSCREEN",
6288         "FOCUSPREV",
6289 };
6290
6291 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
6292 #define SWM_Q_WS                "\n|+ \t"
6293 int
6294 parsequirks(char *qstr, unsigned long *quirk)
6295 {
6296         char                    *cp, *name;
6297         int                     i;
6298
6299         if (quirk == NULL)
6300                 return (1);
6301
6302         cp = qstr;
6303         *quirk = 0;
6304         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
6305                 if (cp)
6306                         cp += (long)strspn(cp, SWM_Q_WS);
6307                 for (i = 0; i < LENGTH(quirkname); i++) {
6308                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
6309                                 DNPRINTF(SWM_D_QUIRK,
6310                                     "parsequirks: %s\n", name);
6311                                 if (i == 0) {
6312                                         *quirk = 0;
6313                                         return (0);
6314                                 }
6315                                 *quirk |= 1 << (i-1);
6316                                 break;
6317                         }
6318                 }
6319                 if (i >= LENGTH(quirkname)) {
6320                         DNPRINTF(SWM_D_QUIRK,
6321                             "parsequirks: invalid quirk [%s]\n", name);
6322                         return (1);
6323                 }
6324         }
6325         return (0);
6326 }
6327
6328 void
6329 quirk_insert(const char *class, const char *name, unsigned long quirk)
6330 {
6331         struct quirk            *qp;
6332
6333         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
6334             quirk);
6335
6336         if ((qp = malloc(sizeof *qp)) == NULL)
6337                 err(1, "quirk_insert: malloc");
6338         if ((qp->class = strdup(class)) == NULL)
6339                 err(1, "quirk_insert: strdup");
6340         if ((qp->name = strdup(name)) == NULL)
6341                 err(1, "quirk_insert: strdup");
6342
6343         qp->quirk = quirk;
6344         TAILQ_INSERT_TAIL(&quirks, qp, entry);
6345
6346         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
6347 }
6348
6349 void
6350 quirk_remove(struct quirk *qp)
6351 {
6352         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
6353             qp->name, qp->quirk);
6354
6355         TAILQ_REMOVE(&quirks, qp, entry);
6356         free(qp->class);
6357         free(qp->name);
6358         free(qp);
6359
6360         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
6361 }
6362
6363 void
6364 quirk_replace(struct quirk *qp, const char *class, const char *name,
6365     unsigned long quirk)
6366 {
6367         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
6368             qp->name, qp->quirk);
6369
6370         quirk_remove(qp);
6371         quirk_insert(class, name, quirk);
6372
6373         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
6374 }
6375
6376 void
6377 setquirk(const char *class, const char *name, unsigned long quirk)
6378 {
6379         struct quirk            *qp;
6380
6381         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
6382            quirk);
6383
6384         /* Remove/replace existing quirk. */
6385         TAILQ_FOREACH(qp, &quirks, entry) {
6386                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
6387                         if (!quirk)
6388                                 quirk_remove(qp);
6389                         else
6390                                 quirk_replace(qp, class, name, quirk);
6391                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6392                         return;
6393                 }
6394         }
6395
6396         /* Only insert if quirk is not NONE. */
6397         if (quirk)
6398                 quirk_insert(class, name, quirk);
6399
6400         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6401 }
6402
6403 int
6404 setconfquirk(char *selector, char *value, int flags)
6405 {
6406         char                    *cp, *class, *name;
6407         int                     retval;
6408         unsigned long           qrks;
6409
6410         /* suppress unused warning since var is needed */
6411         (void)flags;
6412
6413         if (selector == NULL)
6414                 return (0);
6415         if ((cp = strchr(selector, ':')) == NULL)
6416                 return (0);
6417         *cp = '\0';
6418         class = selector;
6419         name = cp + 1;
6420         if ((retval = parsequirks(value, &qrks)) == 0)
6421                 setquirk(class, name, qrks);
6422         return (retval);
6423 }
6424
6425 void
6426 setup_quirks(void)
6427 {
6428         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
6429         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
6430         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
6431         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
6432         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6433         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
6434         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6435         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6436         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6437         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6438         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
6439         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
6440         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
6441 }
6442
6443 /* conf file stuff */
6444 #define SWM_CONF_FILE           "spectrwm.conf"
6445 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
6446
6447 enum {
6448         SWM_S_BAR_ACTION,
6449         SWM_S_BAR_AT_BOTTOM,
6450         SWM_S_BAR_BORDER_WIDTH,
6451         SWM_S_BAR_DELAY,
6452         SWM_S_BAR_ENABLED,
6453         SWM_S_BAR_ENABLED_WS,
6454         SWM_S_BAR_FONT,
6455         SWM_S_BAR_FORMAT,
6456         SWM_S_BAR_JUSTIFY,
6457         SWM_S_BORDER_WIDTH,
6458         SWM_S_CLOCK_ENABLED,
6459         SWM_S_CLOCK_FORMAT,
6460         SWM_S_CYCLE_EMPTY,
6461         SWM_S_CYCLE_VISIBLE,
6462         SWM_S_DIALOG_RATIO,
6463         SWM_S_DISABLE_BORDER,
6464         SWM_S_FOCUS_CLOSE,
6465         SWM_S_FOCUS_CLOSE_WRAP,
6466         SWM_S_FOCUS_DEFAULT,
6467         SWM_S_FOCUS_MODE,
6468         SWM_S_SPAWN_ORDER,
6469         SWM_S_SPAWN_TERM,
6470         SWM_S_SS_APP,
6471         SWM_S_SS_ENABLED,
6472         SWM_S_STACK_ENABLED,
6473         SWM_S_TERM_WIDTH,
6474         SWM_S_TITLE_CLASS_ENABLED,
6475         SWM_S_TITLE_NAME_ENABLED,
6476         SWM_S_URGENT_ENABLED,
6477         SWM_S_VERBOSE_LAYOUT,
6478         SWM_S_WINDOW_NAME_ENABLED,
6479         SWM_S_WORKSPACE_LIMIT
6480 };
6481
6482 int
6483 setconfvalue(char *selector, char *value, int flags)
6484 {
6485         struct workspace        *ws;
6486         int                     i, ws_id, num_screens;
6487         char                    *b;
6488
6489         /* suppress unused warning since var is needed */
6490         (void)selector;
6491
6492         switch (flags) {
6493         case SWM_S_BAR_ACTION:
6494                 free(bar_argv[0]);
6495                 if ((bar_argv[0] = expand_tilde(value)) == NULL)
6496                         err(1, "setconfvalue: bar_action");
6497                 break;
6498         case SWM_S_BAR_AT_BOTTOM:
6499                 bar_at_bottom = atoi(value);
6500                 break;
6501         case SWM_S_BAR_BORDER_WIDTH:
6502                 bar_border_width = atoi(value);
6503                 if (bar_border_width < 0)
6504                         bar_border_width = 0;
6505                 break;
6506         case SWM_S_BAR_DELAY:
6507                 /* No longer needed; leave to not break old conf files. */
6508                 break;
6509         case SWM_S_BAR_ENABLED:
6510                 bar_enabled = atoi(value);
6511                 break;
6512         case SWM_S_BAR_ENABLED_WS:
6513                 ws_id = atoi(selector) - 1;
6514                 if (ws_id < 0 || ws_id >= workspace_limit)
6515                         errx(1, "setconfvalue: bar_enabled_ws: invalid "
6516                             "workspace %d.", ws_id + 1);
6517
6518                 num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6519                 for (i = 0; i < num_screens; i++) {
6520                         ws = (struct workspace *)&screens[i].ws;
6521                         ws[ws_id].bar_enabled = atoi(value);
6522                 }
6523                 break;
6524         case SWM_S_BAR_FONT:
6525                 b = bar_fonts;
6526                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
6527                         err(1, "setconfvalue: asprintf: failed to allocate "
6528                                 "memory for bar_fonts.");
6529                 free(b);
6530
6531                 /* If already in xft mode, then we are done. */
6532                 if (!bar_font_legacy)
6533                         break;
6534
6535                 /* If there are any non-XLFD entries, switch to Xft mode. */
6536                 while ((b = strsep(&value, ",")) != NULL) {
6537                         if (*b == '\0')
6538                                 continue;
6539                         if (!isxlfd(b)) {
6540                                 bar_font_legacy = 0;
6541                                 break;
6542                         }
6543                 }
6544                 break;
6545         case SWM_S_BAR_FORMAT:
6546                 free(bar_format);
6547                 if ((bar_format = strdup(value)) == NULL)
6548                         err(1, "setconfvalue: bar_format");
6549                 break;
6550         case SWM_S_BAR_JUSTIFY:
6551                 if (!strcmp(value, "left"))
6552                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
6553                 else if (!strcmp(value, "center"))
6554                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
6555                 else if (!strcmp(value, "right"))
6556                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
6557                 else
6558                         errx(1, "invalid bar_justify");
6559                 break;
6560         case SWM_S_BORDER_WIDTH:
6561                 border_width = atoi(value);
6562                 if (border_width < 0)
6563                         border_width = 0;
6564                 break;
6565         case SWM_S_CLOCK_ENABLED:
6566                 clock_enabled = atoi(value);
6567                 break;
6568         case SWM_S_CLOCK_FORMAT:
6569 #ifndef SWM_DENY_CLOCK_FORMAT
6570                 free(clock_format);
6571                 if ((clock_format = strdup(value)) == NULL)
6572                         err(1, "setconfvalue: clock_format");
6573 #endif
6574                 break;
6575         case SWM_S_CYCLE_EMPTY:
6576                 cycle_empty = atoi(value);
6577                 break;
6578         case SWM_S_CYCLE_VISIBLE:
6579                 cycle_visible = atoi(value);
6580                 break;
6581         case SWM_S_DIALOG_RATIO:
6582                 dialog_ratio = atof(value);
6583                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
6584                         dialog_ratio = .6;
6585                 break;
6586         case SWM_S_DISABLE_BORDER:
6587                 disable_border = atoi(value);
6588                 break;
6589         case SWM_S_FOCUS_CLOSE:
6590                 if (!strcmp(value, "first"))
6591                         focus_close = SWM_STACK_BOTTOM;
6592                 else if (!strcmp(value, "last"))
6593                         focus_close = SWM_STACK_TOP;
6594                 else if (!strcmp(value, "next"))
6595                         focus_close = SWM_STACK_ABOVE;
6596                 else if (!strcmp(value, "previous"))
6597                         focus_close = SWM_STACK_BELOW;
6598                 else
6599                         errx(1, "focus_close");
6600                 break;
6601         case SWM_S_FOCUS_CLOSE_WRAP:
6602                 focus_close_wrap = atoi(value);
6603                 break;
6604         case SWM_S_FOCUS_DEFAULT:
6605                 if (!strcmp(value, "last"))
6606                         focus_default = SWM_STACK_TOP;
6607                 else if (!strcmp(value, "first"))
6608                         focus_default = SWM_STACK_BOTTOM;
6609                 else
6610                         errx(1, "focus_default");
6611                 break;
6612         case SWM_S_FOCUS_MODE:
6613                 if (!strcmp(value, "default"))
6614                         focus_mode = SWM_FOCUS_DEFAULT;
6615                 else if (!strcmp(value, "follow") ||
6616                     !strcmp(value, "follow_cursor"))
6617                         focus_mode = SWM_FOCUS_FOLLOW;
6618                 else if (!strcmp(value, "manual"))
6619                         focus_mode = SWM_FOCUS_MANUAL;
6620                 else
6621                         errx(1, "focus_mode");
6622                 break;
6623         case SWM_S_SPAWN_ORDER:
6624                 if (!strcmp(value, "first"))
6625                         spawn_position = SWM_STACK_BOTTOM;
6626                 else if (!strcmp(value, "last"))
6627                         spawn_position = SWM_STACK_TOP;
6628                 else if (!strcmp(value, "next"))
6629                         spawn_position = SWM_STACK_ABOVE;
6630                 else if (!strcmp(value, "previous"))
6631                         spawn_position = SWM_STACK_BELOW;
6632                 else
6633                         errx(1, "spawn_position");
6634                 break;
6635         case SWM_S_SPAWN_TERM:
6636                 setconfspawn("term", value, 0);
6637                 setconfspawn("spawn_term", value, 0);
6638                 break;
6639         case SWM_S_SS_APP:
6640                 /* No longer needed; leave to not break old conf files. */
6641                 break;
6642         case SWM_S_SS_ENABLED:
6643                 /* No longer needed; leave to not break old conf files. */
6644                 break;
6645         case SWM_S_STACK_ENABLED:
6646                 stack_enabled = atoi(value);
6647                 break;
6648         case SWM_S_TERM_WIDTH:
6649                 term_width = atoi(value);
6650                 if (term_width < 0)
6651                         term_width = 0;
6652                 break;
6653         case SWM_S_TITLE_CLASS_ENABLED:
6654                 title_class_enabled = atoi(value);
6655                 break;
6656         case SWM_S_TITLE_NAME_ENABLED:
6657                 title_name_enabled = atoi(value);
6658                 break;
6659         case SWM_S_URGENT_ENABLED:
6660                 urgent_enabled = atoi(value);
6661                 break;
6662         case SWM_S_VERBOSE_LAYOUT:
6663                 verbose_layout = atoi(value);
6664                 for (i = 0; layouts[i].l_stack != NULL; i++) {
6665                         if (verbose_layout)
6666                                 layouts[i].l_string = fancy_stacker;
6667                         else
6668                                 layouts[i].l_string = plain_stacker;
6669                 }
6670                 break;
6671         case SWM_S_WINDOW_NAME_ENABLED:
6672                 window_name_enabled = atoi(value);
6673                 break;
6674         case SWM_S_WORKSPACE_LIMIT:
6675                 workspace_limit = atoi(value);
6676                 if (workspace_limit > SWM_WS_MAX)
6677                         workspace_limit = SWM_WS_MAX;
6678                 else if (workspace_limit < 1)
6679                         workspace_limit = 1;
6680                 break;
6681         default:
6682                 return (1);
6683         }
6684         return (0);
6685 }
6686
6687 int
6688 setconfmodkey(char *selector, char *value, int flags)
6689 {
6690         /* suppress unused warnings since vars are needed */
6691         (void)selector;
6692         (void)flags;
6693
6694         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
6695                 update_modkey(XCB_MOD_MASK_1);
6696         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
6697                 update_modkey(XCB_MOD_MASK_2);
6698         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
6699                 update_modkey(XCB_MOD_MASK_3);
6700         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
6701                 update_modkey(XCB_MOD_MASK_4);
6702         else
6703                 return (1);
6704         return (0);
6705 }
6706
6707 int
6708 setconfcolor(char *selector, char *value, int flags)
6709 {
6710         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
6711         return (0);
6712 }
6713
6714 int
6715 setconfregion(char *selector, char *value, int flags)
6716 {
6717         /* suppress unused warnings since vars are needed */
6718         (void)selector;
6719         (void)flags;
6720
6721         custom_region(value);
6722         return (0);
6723 }
6724
6725 int
6726 setautorun(char *selector, char *value, int flags)
6727 {
6728         int                     ws_id;
6729         char                    s[1024];
6730         char                    *ap, *sp;
6731         union arg               a;
6732         int                     argc = 0;
6733         pid_t                   pid;
6734         struct pid_e            *p;
6735
6736         /* suppress unused warnings since vars are needed */
6737         (void)selector;
6738         (void)flags;
6739
6740         if (getenv("SWM_STARTED"))
6741                 return (0);
6742
6743         bzero(s, sizeof s);
6744         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
6745                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
6746         ws_id--;
6747         if (ws_id < 0 || ws_id >= workspace_limit)
6748                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
6749
6750         sp = expand_tilde((char *)&s);
6751
6752         /*
6753          * This is a little intricate
6754          *
6755          * If the pid already exists we simply reuse it because it means it was
6756          * used before AND not claimed by manage_window.  We get away with
6757          * altering it in the parent after INSERT because this can not be a race
6758          */
6759         a.argv = NULL;
6760         while ((ap = strsep(&sp, " \t")) != NULL) {
6761                 if (*ap == '\0')
6762                         continue;
6763                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
6764                 argc++;
6765                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
6766                         err(1, "setautorun: realloc");
6767                 a.argv[argc - 1] = ap;
6768         }
6769         free(sp);
6770
6771         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
6772                 err(1, "setautorun: realloc");
6773         a.argv[argc] = NULL;
6774
6775         if ((pid = fork()) == 0) {
6776                 spawn(ws_id, &a, 1);
6777                 /* NOTREACHED */
6778                 _exit(1);
6779         }
6780         free(a.argv);
6781
6782         /* parent */
6783         p = find_pid(pid);
6784         if (p == NULL) {
6785                 p = calloc(1, sizeof *p);
6786                 if (p == NULL)
6787                         return (1);
6788                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
6789         }
6790
6791         p->pid = pid;
6792         p->ws = ws_id;
6793
6794         return (0);
6795 }
6796
6797 int
6798 setlayout(char *selector, char *value, int flags)
6799 {
6800         int                     ws_id, i, x, mg, ma, si, ar, f = 0;
6801         int                     st = SWM_V_STACK, num_screens;
6802         char                    s[1024];
6803         struct workspace        *ws;
6804
6805         /* suppress unused warnings since vars are needed */
6806         (void)selector;
6807         (void)flags;
6808
6809         if (getenv("SWM_STARTED"))
6810                 return (0);
6811
6812         bzero(s, sizeof s);
6813         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6814             &ws_id, &mg, &ma, &si, &ar, s) != 6)
6815                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6816                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6817                     "<type>'");
6818         ws_id--;
6819         if (ws_id < 0 || ws_id >= workspace_limit)
6820                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6821
6822         if (!strcasecmp(s, "vertical"))
6823                 st = SWM_V_STACK;
6824         else if (!strcasecmp(s, "vertical_flip")) {
6825                 st = SWM_V_STACK;
6826                 f = 1;
6827         } else if (!strcasecmp(s, "horizontal"))
6828                 st = SWM_H_STACK;
6829         else if (!strcasecmp(s, "horizontal_flip")) {
6830                 st = SWM_H_STACK;
6831                 f = 1;
6832         } else if (!strcasecmp(s, "fullscreen"))
6833                 st = SWM_MAX_STACK;
6834         else
6835                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6836                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6837                     "<type>'");
6838
6839         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6840         for (i = 0; i < num_screens; i++) {
6841                 ws = (struct workspace *)&screens[i].ws;
6842                 ws[ws_id].cur_layout = &layouts[st];
6843
6844                 ws[ws_id].always_raise = ar;
6845                 if (st == SWM_MAX_STACK)
6846                         continue;
6847
6848                 /* master grow */
6849                 for (x = 0; x < abs(mg); x++) {
6850                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6851                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6852                             SWM_ARG_ID_MASTERSHRINK);
6853                         stack();
6854                 }
6855                 /* master add */
6856                 for (x = 0; x < abs(ma); x++) {
6857                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6858                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6859                             SWM_ARG_ID_MASTERDEL);
6860                         stack();
6861                 }
6862                 /* stack inc */
6863                 for (x = 0; x < abs(si); x++) {
6864                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6865                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6866                             SWM_ARG_ID_STACKDEC);
6867                         stack();
6868                 }
6869                 /* Apply flip */
6870                 if (f) {
6871                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6872                             SWM_ARG_ID_FLIPLAYOUT);
6873                         stack();
6874                 }
6875         }
6876
6877         focus_flush();
6878
6879         return (0);
6880 }
6881
6882 /* config options */
6883 struct config_option {
6884         char                    *optname;
6885         int                     (*func)(char*, char*, int);
6886         int                     funcflags;
6887 };
6888 struct config_option configopt[] = {
6889         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6890         { "bar_enabled_ws",             setconfvalue,   SWM_S_BAR_ENABLED_WS },
6891         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6892         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6893         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6894         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6895         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6896         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6897         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6898         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6899         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6900         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6901         { "keyboard_mapping",           setkeymapping,  0 },
6902         { "bind",                       setconfbinding, 0 },
6903         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6904         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6905         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6906         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6907         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6908         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6909         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6910         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6911         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6912         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6913         { "modkey",                     setconfmodkey,  0 },
6914         { "program",                    setconfspawn,   0 },
6915         { "quirk",                      setconfquirk,   0 },
6916         { "region",                     setconfregion,  0 },
6917         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6918         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6919         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6920         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6921         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6922         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6923         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6924         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6925         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6926         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6927         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6928         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6929         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6930         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6931         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6932         { "autorun",                    setautorun,     0 },
6933         { "layout",                     setlayout,      0 },
6934 };
6935
6936 int
6937 conf_load(const char *filename, int keymapping)
6938 {
6939         FILE                    *config;
6940         char                    *line, *cp, *optsub, *optval;
6941         size_t                  linelen, lineno = 0;
6942         int                     wordlen, i, optidx;
6943         struct config_option    *opt = NULL;
6944
6945         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6946
6947         if (filename == NULL) {
6948                 warnx("conf_load: no filename");
6949                 return (1);
6950         }
6951         if ((config = fopen(filename, "r")) == NULL) {
6952                 warn("conf_load: fopen: %s", filename);
6953                 return (1);
6954         }
6955
6956         while (!feof(config)) {
6957                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6958                     == NULL) {
6959                         if (ferror(config))
6960                                 err(1, "%s", filename);
6961                         else
6962                                 continue;
6963                 }
6964                 cp = line;
6965                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6966                 if (cp[0] == '\0') {
6967                         /* empty line */
6968                         free(line);
6969                         continue;
6970                 }
6971                 /* get config option */
6972                 wordlen = strcspn(cp, "=[ \t\n");
6973                 if (wordlen == 0) {
6974                         warnx("%s: line %zd: no option found",
6975                             filename, lineno);
6976                         goto out;
6977                 }
6978                 optidx = -1;
6979                 for (i = 0; i < LENGTH(configopt); i++) {
6980                         opt = &configopt[i];
6981                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6982                             (int)strlen(opt->optname) == wordlen) {
6983                                 optidx = i;
6984                                 break;
6985                         }
6986                 }
6987                 if (optidx == -1) {
6988                         warnx("%s: line %zd: unknown option %.*s",
6989                             filename, lineno, wordlen, cp);
6990                         goto out;
6991                 }
6992                 if (keymapping && opt && strcmp(opt->optname, "bind")) {
6993                         warnx("%s: line %zd: invalid option %.*s",
6994                             filename, lineno, wordlen, cp);
6995                         goto out;
6996                 }
6997                 cp += wordlen;
6998                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6999                 /* get [selector] if any */
7000                 optsub = NULL;
7001                 if (*cp == '[') {
7002                         cp++;
7003                         wordlen = strcspn(cp, "]");
7004                         if (*cp != ']') {
7005                                 if (wordlen == 0) {
7006                                         warnx("%s: line %zd: syntax error",
7007                                             filename, lineno);
7008                                         goto out;
7009                                 }
7010
7011                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
7012                                     -1) {
7013                                         warnx("%s: line %zd: unable to allocate"
7014                                             "memory for selector", filename,
7015                                             lineno);
7016                                         goto out;
7017                                 }
7018                         }
7019                         cp += wordlen;
7020                         cp += strspn(cp, "] \t\n"); /* eat trailing */
7021                 }
7022                 cp += strspn(cp, "= \t\n"); /* eat trailing */
7023                 /* get RHS value */
7024                 optval = strdup(cp);
7025                 /* call function to deal with it all */
7026                 if (configopt[optidx].func(optsub, optval,
7027                     configopt[optidx].funcflags) != 0)
7028                         errx(1, "%s: line %zd: invalid data for %s",
7029                             filename, lineno, configopt[optidx].optname);
7030                 free(optval);
7031                 free(optsub);
7032                 free(line);
7033         }
7034
7035         fclose(config);
7036         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
7037
7038         return (0);
7039
7040 out:
7041         free(line);
7042         fclose(config);
7043         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
7044
7045         return (1);
7046 }
7047
7048 void
7049 set_child_transient(struct ws_win *win, xcb_window_t *trans)
7050 {
7051         struct ws_win           *parent, *w;
7052         struct swm_region       *r;
7053         struct workspace        *ws;
7054         xcb_icccm_wm_hints_t    wmh;
7055
7056         parent = find_window(win->transient);
7057         if (parent)
7058                 parent->focus_child = win;
7059         else {
7060                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
7061                     " for 0x%x trans 0x%x\n", win->id, win->transient);
7062
7063                 r = root_to_region(win->wa->root, SWM_CK_ALL);
7064                 ws = r->ws;
7065                 /* parent doen't exist in our window list */
7066                 TAILQ_FOREACH(w, &ws->winlist, entry) {
7067                         if (xcb_icccm_get_wm_hints_reply(conn,
7068                             xcb_icccm_get_wm_hints(conn, w->id),
7069                             &wmh, NULL) != 1) {
7070                                 warnx("can't get hints for 0x%x", w->id);
7071                                 continue;
7072                         }
7073
7074                         if (win->hints.window_group != wmh.window_group)
7075                                 continue;
7076
7077                         w->focus_child = win;
7078                         win->transient = w->id;
7079                         *trans = w->id;
7080                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
7081                             "transient to 0x%x\n", win->transient);
7082                         break;
7083                 }
7084         }
7085 }
7086
7087 pid_t
7088 window_get_pid(xcb_window_t win)
7089 {
7090         pid_t                           ret = 0;
7091         const char                      *errstr;
7092         xcb_atom_t                      apid;
7093         xcb_get_property_cookie_t       pc;
7094         xcb_get_property_reply_t        *pr;
7095
7096         apid = get_atom_from_string("_NET_WM_PID");
7097         if (apid == XCB_ATOM_NONE)
7098                 goto tryharder;
7099
7100         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
7101         pr = xcb_get_property_reply(conn, pc, NULL);
7102         if (!pr)
7103                 goto tryharder;
7104         if (pr->type != XCB_ATOM_CARDINAL) {
7105                 free(pr);
7106                 goto tryharder;
7107         }
7108
7109         if (pr->type == apid && pr->format == 32)
7110                 ret = *((pid_t *)xcb_get_property_value(pr));
7111         free(pr);
7112
7113         return (ret);
7114
7115 tryharder:
7116         apid = get_atom_from_string("_SWM_PID");
7117         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
7118             0, SWM_PROPLEN);
7119         pr = xcb_get_property_reply(conn, pc, NULL);
7120         if (!pr)
7121                 return (0);
7122         if (pr->type != apid) {
7123                 free(pr);
7124                 return (0);
7125         }
7126
7127         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
7128         free(pr);
7129
7130         return (ret);
7131 }
7132
7133 int
7134 get_ws_idx(xcb_window_t id)
7135 {
7136         int                     ws_idx = -1;
7137         char                    *prop = NULL;
7138         size_t                  proplen;
7139         const char              *errstr;
7140         xcb_get_property_reply_t        *gpr;
7141
7142         gpr = xcb_get_property_reply(conn,
7143                 xcb_get_property(conn, 0, id, a_swm_ws,
7144                     XCB_ATOM_STRING, 0, SWM_PROPLEN),
7145                 NULL);
7146         if (!gpr)
7147                 return (-1);
7148         if (gpr->type) {
7149                 proplen = xcb_get_property_value_length(gpr);
7150                 if (proplen > 0) {
7151                         prop = malloc(proplen + 1);
7152                         if (prop) {
7153                                 memcpy(prop,
7154                                     xcb_get_property_value(gpr),
7155                                     proplen);
7156                                 prop[proplen] = '\0';
7157                         }
7158                 }
7159         }
7160         free(gpr);
7161
7162         if (prop) {
7163                 DNPRINTF(SWM_D_PROP, "get_ws_idx: _SWM_WS: %s\n", prop);
7164                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1, &errstr);
7165                 if (errstr) {
7166                         DNPRINTF(SWM_D_PROP, "get_ws_idx: window: #%s: %s",
7167                             errstr, prop);
7168                 }
7169                 free(prop);
7170         }
7171
7172         return ws_idx;
7173 }
7174
7175 struct ws_win *
7176 manage_window(xcb_window_t id, uint16_t mapped)
7177 {
7178         xcb_window_t            trans = XCB_WINDOW_NONE;
7179         struct ws_win           *win, *ww;
7180         int                     ws_idx;
7181         char                    ws_idx_str[SWM_PROPLEN];
7182         struct swm_region       *r;
7183         struct pid_e            *p;
7184         struct quirk            *qp;
7185         uint32_t                i, wa[2];
7186         xcb_icccm_get_wm_protocols_reply_t      wpr;
7187
7188         if ((win = find_window(id)) != NULL) {
7189                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x already "
7190                     "managed; skipping.)\n", id);
7191                 return (win);   /* Already managed. */
7192         }
7193
7194         /* See if window is on the unmanaged list. */
7195         if ((win = find_unmanaged_window(id)) != NULL) {
7196                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x found on "
7197                     "unmanaged list.\n", id);
7198                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
7199
7200                 if (win->transient)
7201                         set_child_transient(win, &trans);
7202
7203                 goto out;
7204         } else {
7205                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x is new.\n", id);
7206         }
7207
7208         /* Create and initialize ws_win object. */
7209         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
7210                 err(1, "manage_window: calloc: failed to allocate memory for "
7211                     "new window");
7212
7213         win->id = id;
7214
7215         /* Get window geometry. */
7216         win->wa = xcb_get_geometry_reply(conn,
7217             xcb_get_geometry(conn, win->id),
7218             NULL);
7219
7220         /* Figure out which region the window belongs to. */
7221         r = root_to_region(win->wa->root, SWM_CK_ALL);
7222
7223         /* Ignore window border if there is one. */
7224         WIDTH(win) = win->wa->width;
7225         HEIGHT(win) = win->wa->height;
7226         X(win) = win->wa->x + win->wa->border_width - border_width;
7227         Y(win) = win->wa->y + win->wa->border_width - border_width;
7228         win->bordered = 1;
7229         win->mapped = mapped;
7230         win->floatmaxed = 0;
7231         win->ewmh_flags = 0;
7232         win->s = r->s;  /* this never changes */
7233
7234         store_float_geom(win, r);
7235
7236         /* Get WM_SIZE_HINTS. */
7237         xcb_icccm_get_wm_normal_hints_reply(conn,
7238             xcb_icccm_get_wm_normal_hints(conn, win->id),
7239             &win->sh, NULL);
7240
7241         /* Get WM_HINTS. */
7242         xcb_icccm_get_wm_hints_reply(conn,
7243             xcb_icccm_get_wm_hints(conn, win->id),
7244             &win->hints, NULL);
7245
7246         /* Get WM_TRANSIENT_FOR; see if window is a transient. */
7247         xcb_icccm_get_wm_transient_for_reply(conn,
7248             xcb_icccm_get_wm_transient_for(conn, win->id),
7249             &trans, NULL);
7250         if (trans) {
7251                 win->transient = trans;
7252                 set_child_transient(win, &win->transient);
7253         }
7254
7255         /* Get supported protocols. */
7256         if (xcb_icccm_get_wm_protocols_reply(conn,
7257             xcb_icccm_get_wm_protocols(conn, win->id, a_prot),
7258             &wpr, NULL)) {
7259                 for (i = 0; i < wpr.atoms_len; i++) {
7260                         if (wpr.atoms[i] == a_takefocus)
7261                                 win->take_focus = 1;
7262                         if (wpr.atoms[i] == a_delete)
7263                                 win->can_delete = 1;
7264                 }
7265                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
7266         }
7267
7268         win->iconic = get_swm_iconic(win);
7269
7270         /* Figure out which workspace the window belongs to. */
7271         if ((p = find_pid(window_get_pid(win->id))) != NULL) {
7272                 win->ws = &r->s->ws[p->ws];
7273                 TAILQ_REMOVE(&pidlist, p, entry);
7274                 free(p);
7275                 p = NULL;
7276         } else if ((ws_idx = get_ws_idx(win->id)) != -1 &&
7277             !win->transient) {
7278                 /* _SWM_WS is set; use that. */
7279                 win->ws = &r->s->ws[ws_idx];
7280         } else if (trans && (ww = find_window(trans)) != NULL) {
7281                 /* Launch transients in the same ws as parent. */
7282                 win->ws = ww->ws;
7283         } else {
7284                 win->ws = r->ws;
7285         }
7286
7287         /* Set the _SWM_WS atom so we can remember this after reincarnation. */
7288         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", win->ws->idx) <
7289             SWM_PROPLEN) {
7290                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
7291                     ws_idx_str);
7292                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
7293                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
7294                     ws_idx_str);
7295         }
7296
7297         /* Handle EWMH */
7298         ewmh_autoquirk(win);
7299
7300         /* Determine initial quirks. */
7301         if (xcb_icccm_get_wm_class_reply(conn,
7302             xcb_icccm_get_wm_class(conn, win->id),
7303             &win->ch, NULL)) {
7304                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
7305                     win->ch.class_name, win->ch.instance_name);
7306
7307                 /* java is retarded so treat it special */
7308                 if (strstr(win->ch.instance_name, "sun-awt")) {
7309                         DNPRINTF(SWM_D_CLASS, "manage_window: java window "
7310                             "detected.\n");
7311                         win->java = 1;
7312                 }
7313
7314                 TAILQ_FOREACH(qp, &quirks, entry) {
7315                         if (!strcmp(win->ch.class_name, qp->class) &&
7316                             !strcmp(win->ch.instance_name, qp->name)) {
7317                                 DNPRINTF(SWM_D_CLASS, "manage_window: on quirks"
7318                                     "list; mask: 0x%lx\n", qp->quirk);
7319                                 if (qp->quirk & SWM_Q_FLOAT)
7320                                         win->floating = 1;
7321                                 win->quirks = qp->quirk;
7322                         }
7323                 }
7324         }
7325
7326         /* Alter window position if quirky */
7327         if (win->quirks & SWM_Q_ANYWHERE)
7328                 win->manual = 1;
7329
7330         /* Reset font sizes (the bruteforce way; no default keybinding). */
7331         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
7332                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7333                         fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
7334                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7335                         fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
7336         }
7337
7338         /* Make sure window is positioned inside its region, if its active. */
7339         if (win->ws->r) {
7340                 constrain_window(win, win->ws->r, 0);
7341                 update_window(win);
7342         }
7343
7344         /* Select which X events to monitor and set border pixel color. */
7345         wa[0] = win->s->c[SWM_S_COLOR_UNFOCUS].pixel;
7346         wa[1] = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_PROPERTY_CHANGE |
7347             XCB_EVENT_MASK_STRUCTURE_NOTIFY;
7348 #ifdef SWM_DEBUG
7349         wa[1] |= XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE;
7350 #endif
7351
7352         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL |
7353             XCB_CW_EVENT_MASK, wa);
7354
7355 out:
7356         /* Figure out where to stack the window in the workspace. */
7357         if (trans && (ww = find_window(trans)))
7358                 TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
7359         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
7360                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
7361                     entry);
7362         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
7363                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
7364         else switch (spawn_position) {
7365         default:
7366         case SWM_STACK_TOP:
7367         case SWM_STACK_ABOVE:
7368                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
7369                 break;
7370         case SWM_STACK_BOTTOM:
7371         case SWM_STACK_BELOW:
7372                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
7373         }
7374
7375         /* Get initial _NET_WM_STATE */
7376         ewmh_get_win_state(win);
7377         /* Set initial _NET_WM_ALLOWED_ACTIONS */
7378         ewmh_update_actions(win);
7379
7380         grabbuttons(win);
7381
7382         DNPRINTF(SWM_D_MISC, "manage_window: done. window: 0x%x, (x,y) w x h: "
7383             "(%d,%d) %d x %d, ws: %d, iconic: %s, transient: 0x%x\n", win->id,
7384             X(win), Y(win), WIDTH(win), HEIGHT(win), win->ws->idx,
7385             YESNO(win->iconic), win->transient);
7386
7387         return (win);
7388 }
7389
7390 void
7391 free_window(struct ws_win *win)
7392 {
7393         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
7394
7395         if (win == NULL)
7396                 return;
7397
7398         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
7399
7400         if (win->wa)
7401                 free(win->wa);
7402
7403         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
7404
7405         kill_refs(win);
7406
7407         /* paint memory */
7408         memset(win, 0xff, sizeof *win); /* XXX kill later */
7409
7410         free(win);
7411         DNPRINTF(SWM_D_MISC, "free_window: done.\n");
7412 }
7413
7414 void
7415 unmanage_window(struct ws_win *win)
7416 {
7417         struct ws_win           *parent;
7418
7419         if (win == NULL)
7420                 return;
7421
7422         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
7423
7424         if (win->transient) {
7425                 parent = find_window(win->transient);
7426                 if (parent)
7427                         parent->focus_child = NULL;
7428         }
7429
7430         TAILQ_REMOVE(&win->ws->winlist, win, entry);
7431         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
7432 }
7433
7434 void
7435 expose(xcb_expose_event_t *e)
7436 {
7437         int                     i, num_screens;
7438         struct swm_region       *r;
7439
7440         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
7441
7442         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7443         for (i = 0; i < num_screens; i++)
7444                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7445                         if (e->window == WINID(r->bar))
7446                                 bar_update();
7447
7448         xcb_flush(conn);
7449 }
7450
7451 #ifdef SWM_DEBUG
7452 void
7453 focusin(xcb_focus_in_event_t *e)
7454 {
7455         DNPRINTF(SWM_D_EVENT, "focusin: window: 0x%x, mode: %s(%u), "
7456             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
7457             e->mode, get_notify_detail_label(e->detail), e->detail);
7458 }
7459
7460 void
7461 focusout(xcb_focus_out_event_t *e)
7462 {
7463         DNPRINTF(SWM_D_EVENT, "focusout: window: 0x%x, mode: %s(%u), "
7464             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
7465             e->mode, get_notify_detail_label(e->detail), e->detail);
7466 }
7467 #endif
7468
7469 void
7470 keypress(xcb_key_press_event_t *e)
7471 {
7472         xcb_keysym_t            keysym;
7473         struct key              *kp;
7474
7475         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
7476
7477         DNPRINTF(SWM_D_EVENT, "keypress: %u %u\n", e->detail, keysym);
7478
7479         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
7480                 return;
7481
7482         last_event_time = e->time;
7483
7484         if (kp->funcid == KF_SPAWN_CUSTOM)
7485                 spawn_custom(root_to_region(e->root, SWM_CK_ALL),
7486                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
7487         else if (keyfuncs[kp->funcid].func)
7488                 keyfuncs[kp->funcid].func(root_to_region(e->root, SWM_CK_ALL),
7489                     &(keyfuncs[kp->funcid].args));
7490 }
7491
7492 void
7493 buttonpress(xcb_button_press_event_t *e)
7494 {
7495         struct ws_win           *win = NULL;
7496         struct swm_region       *r, *old_r;
7497         int                     i;
7498         int                     handled = 0;
7499
7500         DNPRINTF(SWM_D_EVENT, "buttonpress: win (x,y): 0x%x (%d,%d), "
7501             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
7502             "state: %u, same_screen: %s\n", e->event, e->event_x, e->event_y,
7503             e->detail, e->time, e->root, e->root_x, e->root_y, e->child,
7504             e->state, YESNO(e->same_screen));
7505
7506         if (e->event == e->root) {
7507                 if (e->child != 0) {
7508                         win = find_window(e->child);
7509                         /* Pass ButtonPress to window if it isn't managed. */
7510                         if (win == NULL)
7511                                 goto out;
7512                 } else {
7513                         /* Focus on empty region */
7514                         /* If no windows on region if its empty. */
7515                         r = root_to_region(e->root, SWM_CK_POINTER);
7516                         if (r == NULL) {
7517                                 DNPRINTF(SWM_D_EVENT, "buttonpress: "
7518                                     "NULL region; ignoring.\n");
7519                                 goto out;
7520                         }
7521
7522                         if (TAILQ_EMPTY(&r->ws->winlist)) {
7523                                 old_r = root_to_region(e->root, SWM_CK_FOCUS);
7524                                 if (old_r && old_r != r)
7525                                         unfocus_win(old_r->ws->focus);
7526
7527                                 xcb_set_input_focus(conn,
7528                                     XCB_INPUT_FOCUS_PARENT, e->root, e->time);
7529
7530                                 /* Clear bar since empty. */
7531                                 bar_update();
7532
7533                                 handled = 1;
7534                                 goto out;
7535                         }
7536                 }
7537         } else {
7538                 win = find_window(e->event);
7539         }
7540
7541         if (win == NULL)
7542                 goto out;
7543
7544         last_event_time = e->time;
7545
7546         focus_win(get_focus_magic(win));
7547
7548         for (i = 0; i < LENGTH(buttons); i++)
7549                 if (client_click == buttons[i].action && buttons[i].func &&
7550                     buttons[i].button == e->detail &&
7551                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state)) {
7552                         buttons[i].func(win, &buttons[i].args);
7553                         handled = 1;
7554                 }
7555
7556 out:
7557         if (!handled) {
7558                 DNPRINTF(SWM_D_EVENT, "buttonpress: passing to window.\n");
7559                 /* Replay event to event window */
7560                 xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, e->time);
7561         } else {
7562                 DNPRINTF(SWM_D_EVENT, "buttonpress: handled.\n");
7563                 /* Unfreeze grab events. */
7564                 xcb_allow_events(conn, XCB_ALLOW_SYNC_POINTER, e->time);
7565         }
7566
7567         xcb_flush(conn);
7568 }
7569
7570 #ifdef SWM_DEBUG
7571 void
7572 print_win_geom(xcb_window_t w)
7573 {
7574         xcb_get_geometry_reply_t        *wa;
7575
7576         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
7577
7578         if (!wa) {
7579                 DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: 0x%x\n",
7580                     w);
7581                 return;
7582         }
7583
7584         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
7585             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
7586             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
7587             wa->border_width);
7588
7589         free(wa);
7590 }
7591 #endif
7592
7593 #ifdef SWM_DEBUG
7594 char *
7595 get_stack_mode_name(uint8_t mode)
7596 {
7597         char    *name;
7598
7599         switch(mode) {
7600         case XCB_STACK_MODE_ABOVE:
7601                 name = "Above";
7602                 break;
7603         case XCB_STACK_MODE_BELOW:
7604                 name = "Below";
7605                 break;
7606         case XCB_STACK_MODE_TOP_IF:
7607                 name = "TopIf";
7608                 break;
7609         case XCB_STACK_MODE_BOTTOM_IF:
7610                 name = "BottomIf";
7611                 break;
7612         case XCB_STACK_MODE_OPPOSITE:
7613                 name = "Opposite";
7614                 break;
7615         default:
7616                 name = "Unknown";
7617         }
7618
7619         return name;
7620 }
7621 #endif
7622
7623 void
7624 configurerequest(xcb_configure_request_event_t *e)
7625 {
7626         struct ws_win           *win;
7627         struct swm_region       *r = NULL;
7628         int                     new = 0, i = 0;
7629         uint16_t                mask = 0;
7630         uint32_t                wc[7] = {0};
7631
7632         if ((win = find_window(e->window)) == NULL)
7633                 if ((win = find_unmanaged_window(e->window)) == NULL)
7634                         new = 1;
7635
7636 #ifdef SWM_DEBUG
7637         if (swm_debug & SWM_D_EVENT) {
7638                 print_win_geom(e->window);
7639
7640                 DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%x, "
7641                     "parent: 0x%x, new: %s, value_mask: %u { ", e->window,
7642                     e->parent, YESNO(new), e->value_mask);
7643                 if (e->value_mask & XCB_CONFIG_WINDOW_X)
7644                         DPRINTF("X: %d ", e->x);
7645                 if (e->value_mask & XCB_CONFIG_WINDOW_Y)
7646                         DPRINTF("Y: %d ", e->y);
7647                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
7648                         DPRINTF("W: %u ", e->width);
7649                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
7650                         DPRINTF("H: %u ", e->height);
7651                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
7652                         DPRINTF("Border: %u ", e->border_width);
7653                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING)
7654                         DPRINTF("Sibling: 0x%x ", e->sibling);
7655                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE)
7656                         DPRINTF("StackMode: %s(%u) ",
7657                             get_stack_mode_name(e->stack_mode), e->stack_mode);
7658                 DPRINTF("}\n");
7659         }
7660 #endif
7661
7662         if (new) {
7663                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
7664                         mask |= XCB_CONFIG_WINDOW_X;
7665                         wc[i++] = e->x;
7666                 }
7667                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
7668                         mask |= XCB_CONFIG_WINDOW_Y;
7669                         wc[i++] = e->y;
7670                 }
7671                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
7672                         mask |= XCB_CONFIG_WINDOW_WIDTH;
7673                         wc[i++] = e->width;
7674                 }
7675                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
7676                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
7677                         wc[i++] = e->height;
7678                 }
7679                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
7680                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
7681                         wc[i++] = e->border_width;
7682                 }
7683                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
7684                         mask |= XCB_CONFIG_WINDOW_SIBLING;
7685                         wc[i++] = e->sibling;
7686                 }
7687                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
7688                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
7689                         wc[i++] = e->stack_mode;
7690                 }
7691
7692                 if (mask != 0) {
7693                         xcb_configure_window(conn, e->window, mask, wc);
7694                         xcb_flush(conn);
7695                 }
7696         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
7697             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
7698                 if (win->ws->r)
7699                         r = win->ws->r;
7700                 else if (win->ws->old_r)
7701                         r = win->ws->old_r;
7702
7703                 /* windows are centered unless ANYWHERE quirk is set. */
7704                 if (win->quirks & SWM_Q_ANYWHERE) {
7705                         if (e->value_mask & XCB_CONFIG_WINDOW_X) {
7706                                 win->g_float.x = e->x;
7707                                 if (r)
7708                                         win->g_float.x -= X(r);
7709                         }
7710
7711                         if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
7712                                 win->g_float.y = e->y;
7713                                 if (r)
7714                                         win->g_float.y -= Y(r);
7715                         }
7716                 }
7717
7718                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
7719                         win->g_float.w = e->width;
7720
7721                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
7722                         win->g_float.h = e->height;
7723
7724                 win->g_floatvalid = 1;
7725
7726                 if (win->floating && r && (win->transient ||
7727                     win->ws->cur_layout != &layouts[SWM_MAX_STACK])) {
7728                         WIDTH(win) = win->g_float.w;
7729                         HEIGHT(win) = win->g_float.h;
7730
7731                         if (r) {
7732                                 stack_floater(win, r);
7733                                 focus_flush();
7734                         }
7735                 } else {
7736                         config_win(win, e);
7737                         xcb_flush(conn);
7738                 }
7739         } else {
7740                 config_win(win, e);
7741                 xcb_flush(conn);
7742         }
7743
7744         DNPRINTF(SWM_D_EVENT, "configurerequest: done.\n");
7745 }
7746
7747 void
7748 configurenotify(xcb_configure_notify_event_t *e)
7749 {
7750         struct ws_win           *win;
7751
7752         DNPRINTF(SWM_D_EVENT, "configurenotify: win 0x%x, event win: 0x%x, "
7753             "(x,y) WxH: (%d,%d) %ux%u, border: %u, above_sibling: 0x%x, "
7754             "override_redirect: %s\n", e->window, e->event, e->x, e->y,
7755             e->width, e->height, e->border_width, e->above_sibling,
7756             YESNO(e->override_redirect));
7757
7758         win = find_window(e->window);
7759         if (win) {
7760                 xcb_icccm_get_wm_normal_hints_reply(conn,
7761                     xcb_icccm_get_wm_normal_hints(conn, win->id),
7762                     &win->sh, NULL);
7763                 adjust_font(win);
7764                 if (font_adjusted) {
7765                         stack();
7766                         xcb_flush(conn);
7767                 }
7768         }
7769 }
7770
7771 void
7772 destroynotify(xcb_destroy_notify_event_t *e)
7773 {
7774         struct ws_win           *win;
7775
7776         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
7777
7778         if ((win = find_window(e->window)) == NULL) {
7779                 if ((win = find_unmanaged_window(e->window)) == NULL)
7780                         return;
7781                 free_window(win);
7782                 return;
7783         }
7784
7785         if (focus_mode != SWM_FOCUS_FOLLOW) {
7786                 /* If we were focused, make sure we focus on something else. */
7787                 if (win == win->ws->focus)
7788                         win->ws->focus_pending = get_focus_prev(win);
7789         }
7790
7791         unmanage_window(win);
7792         stack();
7793
7794         if (focus_mode != SWM_FOCUS_FOLLOW) {
7795                 if (win->ws->focus_pending) {
7796                         focus_win(win->ws->focus_pending);
7797                         win->ws->focus_pending = NULL;
7798                 }
7799         }
7800
7801         free_window(win);
7802
7803         focus_flush();
7804 }
7805
7806 #ifdef SWM_DEBUG
7807 char *
7808 get_notify_detail_label(uint8_t detail)
7809 {
7810         char *label;
7811
7812         switch (detail) {
7813         case XCB_NOTIFY_DETAIL_ANCESTOR:
7814                 label = "Ancestor";
7815                 break;
7816         case XCB_NOTIFY_DETAIL_VIRTUAL:
7817                 label = "Virtual";
7818                 break;
7819         case XCB_NOTIFY_DETAIL_INFERIOR:
7820                 label = "Inferior";
7821                 break;
7822         case XCB_NOTIFY_DETAIL_NONLINEAR:
7823                 label = "Nonlinear";
7824                 break;
7825         case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
7826                 label = "NonlinearVirtual";
7827                 break;
7828         case XCB_NOTIFY_DETAIL_POINTER:
7829                 label = "Pointer";
7830                 break;
7831         case XCB_NOTIFY_DETAIL_POINTER_ROOT:
7832                 label = "PointerRoot";
7833                 break;
7834         case XCB_NOTIFY_DETAIL_NONE:
7835                 label = "None";
7836                 break;
7837         default:
7838                 label = "Unknown";
7839         }
7840
7841         return label;
7842 }
7843
7844 char *
7845 get_notify_mode_label(uint8_t mode)
7846 {
7847         char *label;
7848
7849         switch (mode) {
7850         case XCB_NOTIFY_MODE_NORMAL:
7851                 label = "Normal";
7852                 break;
7853         case XCB_NOTIFY_MODE_GRAB:
7854                 label = "Grab";
7855                 break;
7856         case XCB_NOTIFY_MODE_UNGRAB:
7857                 label = "Ungrab";
7858                 break;
7859         case XCB_NOTIFY_MODE_WHILE_GRABBED:
7860                 label = "WhileGrabbed";
7861                 break;
7862         default:
7863                 label = "Unknown";
7864         }
7865
7866         return label;
7867 }
7868 #endif
7869
7870 void
7871 enternotify(xcb_enter_notify_event_t *e)
7872 {
7873         struct ws_win           *win;
7874         struct swm_region       *old_r, *r;
7875
7876         DNPRINTF(SWM_D_FOCUS, "enternotify: time: %u, win (x,y): 0x%x "
7877             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
7878             "child: 0x%x, same_screen_focus: %s, state: %d\n",
7879             e->time, e->event, e->event_x, e->event_y,
7880             get_notify_mode_label(e->mode), e->mode,
7881             get_notify_detail_label(e->detail), e->detail,
7882             e->root, e->root_x, e->root_y, e->child,
7883             YESNO(e->same_screen_focus), e->state);
7884
7885         if (focus_mode == SWM_FOCUS_MANUAL &&
7886             e->mode == XCB_NOTIFY_MODE_NORMAL) {
7887                 DNPRINTF(SWM_D_EVENT, "enternotify: manual focus; ignoring.\n");
7888                 return;
7889         }
7890
7891         last_event_time = e->time;
7892
7893         if ((win = find_window(e->event)) == NULL) {
7894                 if (e->event == e->root) {
7895                         /* If no windows on pointer region, then focus root. */
7896                         r = root_to_region(e->root, SWM_CK_POINTER);
7897                         if (r == NULL) {
7898                                 DNPRINTF(SWM_D_EVENT, "enterntoify: "
7899                                     "NULL region; ignoring.\n");
7900                                 return;
7901                         }
7902
7903                         if (TAILQ_EMPTY(&r->ws->winlist)) {
7904                                 old_r = root_to_region(e->root, SWM_CK_FOCUS);
7905                                 if (old_r && old_r != r)
7906                                         unfocus_win(old_r->ws->focus);
7907
7908                                 xcb_set_input_focus(conn,
7909                                     XCB_INPUT_FOCUS_PARENT, e->root, e->time);
7910
7911                                 /* Clear bar since empty. */
7912                                 bar_update();
7913
7914                                 focus_flush();
7915                         }
7916                 } else {
7917                         DNPRINTF(SWM_D_EVENT, "enternotify: window is NULL; "
7918                             "ignoring\n");
7919                 }
7920                 return;
7921         }
7922
7923         focus_win(get_focus_magic(win));
7924
7925         xcb_flush(conn);
7926 }
7927
7928 #ifdef SWM_DEBUG
7929 void
7930 leavenotify(xcb_leave_notify_event_t *e)
7931 {
7932         DNPRINTF(SWM_D_FOCUS, "leavenotify: time: %u, win (x,y): 0x%x "
7933             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
7934             "child: 0x%x, same_screen_focus: %s, state: %d\n",
7935             e->time, e->event, e->event_x, e->event_y,
7936             get_notify_mode_label(e->mode), e->mode,
7937             get_notify_detail_label(e->detail), e->detail,
7938             e->root, e->root_x, e->root_y, e->child,
7939             YESNO(e->same_screen_focus), e->state);
7940 }
7941 #endif
7942
7943 void
7944 mapnotify(xcb_map_notify_event_t *e)
7945 {
7946         struct ws_win           *win;
7947
7948         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
7949
7950         if ((win = find_window(e->window)) == NULL)
7951                 win = manage_window(e->window, 1);
7952
7953         win->mapped = 1;
7954         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
7955
7956         if (focus_mode != SWM_FOCUS_FOLLOW) {
7957                 if (win->ws->focus_pending == win) {
7958                         focus_win(win);
7959                         win->ws->focus_pending = NULL;
7960                         focus_flush();
7961                 }
7962         }
7963
7964         xcb_flush(conn);
7965 }
7966
7967 void
7968 mappingnotify(xcb_mapping_notify_event_t *e)
7969 {
7970         xcb_refresh_keyboard_mapping(syms, e);
7971
7972         if (e->request == XCB_MAPPING_KEYBOARD)
7973                 grabkeys();
7974 }
7975
7976 void
7977 maprequest(xcb_map_request_event_t *e)
7978 {
7979         struct ws_win           *win;
7980         xcb_get_window_attributes_reply_t *war;
7981
7982         DNPRINTF(SWM_D_EVENT, "maprequest: win 0x%x\n",
7983             e->window);
7984
7985         war = xcb_get_window_attributes_reply(conn,
7986             xcb_get_window_attributes(conn, e->window),
7987             NULL);
7988         if (war == NULL) {
7989                 DNPRINTF(SWM_D_EVENT, "maprequest: window lost.\n");
7990                 goto out;
7991         }
7992
7993         if (war->override_redirect) {
7994                 DNPRINTF(SWM_D_EVENT, "maprequest: override_redirect; "
7995                     "skipping.\n");
7996                 goto out;
7997         }
7998
7999         win = manage_window(e->window,
8000             (war->map_state == XCB_MAP_STATE_VIEWABLE));
8001
8002         /* The new window should get focus; prepare. */
8003         if (focus_mode != SWM_FOCUS_FOLLOW)
8004                 win->ws->focus_pending = get_focus_magic(win);
8005
8006         /* All windows need to be mapped if they are in the current workspace.*/
8007         if (win->ws->r)
8008                 stack();
8009
8010         /* Ignore EnterNotify to handle the mapnotify without interference. */
8011         if (focus_mode == SWM_FOCUS_DEFAULT)
8012                 event_drain(XCB_ENTER_NOTIFY);
8013 out:
8014         free(war);
8015         DNPRINTF(SWM_D_EVENT, "maprequest: done.\n");
8016 }
8017
8018 #ifdef SWM_DEBUG
8019 char *
8020 get_atom_name(xcb_atom_t atom)
8021 {
8022         char                            *name = NULL;
8023 #if 0
8024         /*
8025          * This should be disabled during most debugging since
8026          * xcb_get_* causes an xcb_flush.
8027          */
8028         size_t                          len;
8029         xcb_get_atom_name_reply_t       *r;
8030
8031         r = xcb_get_atom_name_reply(conn,
8032             xcb_get_atom_name(conn, atom),
8033             NULL);
8034         if (r) {
8035                 len = xcb_get_atom_name_name_length(r);
8036                 if (len > 0) {
8037                         name = malloc(len + 1);
8038                         if (name) {
8039                                 memcpy(name, xcb_get_atom_name_name(r), len);
8040                                 name[len] = '\0';
8041                         }
8042                 }
8043                 free(r);
8044         }
8045 #else
8046         (void)atom;
8047 #endif
8048         return (name);
8049 }
8050 #endif
8051
8052 void
8053 propertynotify(xcb_property_notify_event_t *e)
8054 {
8055         struct ws_win           *win;
8056 #ifdef SWM_DEBUG
8057         char                    *name;
8058
8059         name = get_atom_name(e->atom);
8060         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u), "
8061             "time: %#x, state: %u\n", e->window, name, e->atom, e->time,
8062             e->state);
8063         free(name);
8064 #endif
8065         win = find_window(e->window);
8066         if (win == NULL)
8067                 return;
8068
8069         last_event_time = e->time;
8070
8071         if (e->atom == a_swm_iconic) {
8072                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8073                         if (focus_mode != SWM_FOCUS_FOLLOW)
8074                                 win->ws->focus_pending = get_focus_prev(win);
8075
8076                         unfocus_win(win);
8077                         unmap_window(win);
8078
8079                         if (win->ws->r) {
8080                                 stack();
8081                                 if (focus_mode != SWM_FOCUS_FOLLOW) {
8082                                         focus_win(win->ws->focus_pending);
8083                                         win->ws->focus_pending = NULL;
8084                                 }
8085                                 focus_flush();
8086                         }
8087                 } else if (e->state == XCB_PROPERTY_DELETE) {
8088                         /* The window is no longer iconic, restack ws. */
8089                         if (focus_mode != SWM_FOCUS_FOLLOW)
8090                                 win->ws->focus_pending = get_focus_magic(win);
8091
8092                         stack();
8093
8094                         /* Flush EnterNotify for mapnotify, if needed. */
8095                         focus_flush();
8096                 }
8097         } else if (e->atom == a_state) {
8098                 /* State just changed, make sure it gets focused if mapped. */
8099                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8100                         if (focus_mode != SWM_FOCUS_FOLLOW) {
8101                                 if (win->mapped &&
8102                                     win->ws->focus_pending == win) {
8103                                         focus_win(win->ws->focus_pending);
8104                                         win->ws->focus_pending = NULL;
8105                                 }
8106                         }
8107                 }
8108         } else if (e->atom == XCB_ATOM_WM_CLASS ||
8109             e->atom == XCB_ATOM_WM_NAME) {
8110                 bar_update();
8111         }
8112
8113         xcb_flush(conn);
8114 }
8115
8116 void
8117 unmapnotify(xcb_unmap_notify_event_t *e)
8118 {
8119         struct ws_win           *win;
8120         struct workspace        *ws;
8121
8122         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
8123
8124         /* If we aren't managing the window, then ignore. */
8125         win = find_window(e->window);
8126         if (win == NULL)
8127                 return;
8128
8129         ws = win->ws;
8130
8131         if (getstate(e->window) != XCB_ICCCM_WM_STATE_ICONIC)
8132                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8133
8134         if (win->mapped) {
8135                 /* window unmapped itself */
8136                 /* do unmap/unfocus/restack and unmanage */
8137                 win->mapped = 0;
8138
8139                 /* If win was focused, make sure to focus on something else. */
8140                 if (win == ws->focus) {
8141                         if (focus_mode != SWM_FOCUS_FOLLOW) {
8142                                 ws->focus_pending = get_focus_prev(win);
8143                                 DNPRINTF(SWM_D_EVENT, "unmapnotify: "
8144                                     "focus_pending: 0x%x\n",
8145                                     WINID(ws->focus_pending));
8146                         }
8147
8148                         unfocus_win(win);
8149                 }
8150
8151                 unmanage_window(win);
8152
8153                 if (ws->r)
8154                         stack();
8155
8156                 if (focus_mode == SWM_FOCUS_FOLLOW) {
8157                         if (ws->r)
8158                                 focus_win(get_pointer_win(ws->r->s->root));
8159                 } else {
8160                         if (ws->focus_pending) {
8161                                 focus_win(ws->focus_pending);
8162                                 ws->focus_pending = NULL;
8163                         }
8164                 }
8165         }
8166
8167         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL)
8168                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8169
8170         focus_flush();
8171 }
8172
8173 #if 0
8174 void
8175 visibilitynotify(xcb_visibility_notify_event_t *e)
8176 {
8177         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
8178             e->window);
8179 }
8180 #endif
8181
8182 void
8183 clientmessage(xcb_client_message_event_t *e)
8184 {
8185         struct ws_win *win;
8186         xcb_map_request_event_t mre;
8187 #ifdef SWM_DEBUG
8188         char                    *name;
8189
8190         name = get_atom_name(e->type);
8191         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
8192             e->window, name, e->type);
8193         free(name);
8194 #endif
8195         win = find_window(e->window);
8196
8197         if (win == NULL) {
8198                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8199                         /* Manage the window with maprequest. */
8200                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
8201                             "unmanaged window.\n");
8202                         mre.window = e->window;
8203                         maprequest(&mre);
8204                 }
8205                 return;
8206         }
8207
8208         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8209                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
8210                 focus_win(win);
8211         }
8212         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
8213                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
8214                 if (win->can_delete)
8215                         client_msg(win, a_delete, 0);
8216                 else
8217                         xcb_kill_client(conn, win->id);
8218         }
8219         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
8220                 DNPRINTF(SWM_D_EVENT,
8221                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
8222                 if (win->floating) {
8223                         if (e->data.data32[0] & (1<<8)) /* x */
8224                                 X(win) = e->data.data32[1];
8225                         if (e->data.data32[0] & (1<<9)) /* y */
8226                                 Y(win) = e->data.data32[2];
8227                         if (e->data.data32[0] & (1<<10)) /* width */
8228                                 WIDTH(win) = e->data.data32[3];
8229                         if (e->data.data32[0] & (1<<11)) /* height */
8230                                 HEIGHT(win) = e->data.data32[4];
8231
8232                         update_window(win);
8233                 }
8234                 else {
8235                         /* TODO: Change stack sizes */
8236                         /* notify no change was made. */
8237                         config_win(win, NULL);
8238                 }
8239         }
8240         if (e->type == ewmh[_NET_WM_STATE].atom) {
8241                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
8242                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
8243                 if (e->data.data32[2])
8244                         ewmh_update_win_state(win, e->data.data32[2],
8245                             e->data.data32[0]);
8246
8247                 stack();
8248         }
8249
8250         focus_flush();
8251 }
8252
8253 void
8254 check_conn(void)
8255 {
8256         int      errcode = xcb_connection_has_error(conn);
8257 #ifdef XCB_CONN_ERROR
8258         char    *s;
8259         switch (errcode) {
8260         case XCB_CONN_ERROR:
8261                 s = "Socket error, pipe error or other stream error.";
8262                 break;
8263         case XCB_CONN_CLOSED_EXT_NOTSUPPORTED:
8264                 s = "Extension not supported.";
8265                 break;
8266         case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
8267                 s = "Insufficient memory.";
8268                 break;
8269         case XCB_CONN_CLOSED_REQ_LEN_EXCEED:
8270                 s = "Request length was exceeded.";
8271                 break;
8272         case XCB_CONN_CLOSED_PARSE_ERR:
8273                 s = "Error parsing display string.";
8274                 break;
8275         default:
8276                 s = "Unknown error.";
8277         }
8278         if (errcode)
8279                 errx(errcode, "X CONNECTION ERROR: %s", s);
8280 #else
8281         if (errcode)
8282                 errx(errcode, "X CONNECTION ERROR");
8283 #endif
8284 }
8285
8286 int
8287 enable_wm(void)
8288 {
8289         int                     num_screens, i;
8290         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
8291             XCB_EVENT_MASK_ENTER_WINDOW;
8292         xcb_screen_t            *sc;
8293         xcb_void_cookie_t       wac;
8294         xcb_generic_error_t     *error;
8295
8296         /* this causes an error if some other window manager is running */
8297         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8298         for (i = 0; i < num_screens; i++) {
8299                 if ((sc = get_screen(i)) == NULL)
8300                         errx(1, "ERROR: can't get screen %d.", i);
8301                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
8302                     i, sc->root);
8303                 wac = xcb_change_window_attributes_checked(conn, sc->root,
8304                     XCB_CW_EVENT_MASK, &val);
8305                 if ((error = xcb_request_check(conn, wac))) {
8306                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
8307                             error->error_code);
8308                         free(error);
8309                         return 1;
8310                 }
8311
8312                 /* click to focus on empty region */
8313                 xcb_grab_button(conn, 1, sc->root, BUTTONMASK,
8314                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
8315                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_1, XCB_BUTTON_MASK_ANY);
8316         }
8317
8318         return 0;
8319 }
8320
8321 void
8322 new_region(struct swm_screen *s, int x, int y, int w, int h)
8323 {
8324         struct swm_region       *r, *n;
8325         struct workspace        *ws = NULL;
8326         int                     i;
8327
8328         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
8329              s->idx, w, h, x, y);
8330
8331         /* remove any conflicting regions */
8332         n = TAILQ_FIRST(&s->rl);
8333         while (n) {
8334                 r = n;
8335                 n = TAILQ_NEXT(r, entry);
8336                 if (X(r) < (x + w) &&
8337                     (X(r) + WIDTH(r)) > x &&
8338                     Y(r) < (y + h) &&
8339                     (Y(r) + HEIGHT(r)) > y) {
8340                         if (r->ws->r != NULL)
8341                                 r->ws->old_r = r->ws->r;
8342                         r->ws->r = NULL;
8343                         bar_cleanup(r);
8344                         TAILQ_REMOVE(&s->rl, r, entry);
8345                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
8346                 }
8347         }
8348
8349         /* search old regions for one to reuse */
8350
8351         /* size + location match */
8352         TAILQ_FOREACH(r, &s->orl, entry)
8353                 if (X(r) == x && Y(r) == y &&
8354                     HEIGHT(r) == h && WIDTH(r) == w)
8355                         break;
8356
8357         /* size match */
8358         TAILQ_FOREACH(r, &s->orl, entry)
8359                 if (HEIGHT(r) == h && WIDTH(r) == w)
8360                         break;
8361
8362         if (r != NULL) {
8363                 TAILQ_REMOVE(&s->orl, r, entry);
8364                 /* try to use old region's workspace */
8365                 if (r->ws->r == NULL)
8366                         ws = r->ws;
8367         } else
8368                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
8369                         err(1, "new_region: calloc: failed to allocate memory "
8370                             "for screen");
8371
8372         /* if we don't have a workspace already, find one */
8373         if (ws == NULL) {
8374                 for (i = 0; i < workspace_limit; i++)
8375                         if (s->ws[i].r == NULL) {
8376                                 ws = &s->ws[i];
8377                                 break;
8378                         }
8379         }
8380
8381         if (ws == NULL)
8382                 errx(1, "new_region: no free workspaces");
8383
8384         X(r) = x;
8385         Y(r) = y;
8386         WIDTH(r) = w;
8387         HEIGHT(r) = h;
8388         r->s = s;
8389         r->ws = ws;
8390         r->ws_prior = NULL;
8391         ws->r = r;
8392         outputs++;
8393         TAILQ_INSERT_TAIL(&s->rl, r, entry);
8394 }
8395
8396 void
8397 scan_xrandr(int i)
8398 {
8399 #ifdef SWM_XRR_HAS_CRTC
8400         int                                             c;
8401         int                                             ncrtc = 0;
8402 #endif /* SWM_XRR_HAS_CRTC */
8403         struct swm_region                               *r;
8404         int                                             num_screens;
8405         xcb_randr_get_screen_resources_current_cookie_t src;
8406         xcb_randr_get_screen_resources_current_reply_t  *srr;
8407         xcb_randr_get_crtc_info_cookie_t                cic;
8408         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
8409         xcb_randr_crtc_t                                *crtc;
8410         xcb_screen_t                                    *screen;
8411
8412         DNPRINTF(SWM_D_MISC, "scan_xrandr: screen: %d\n", i);
8413
8414         if ((screen = get_screen(i)) == NULL)
8415                 errx(1, "ERROR: can't get screen %d.", i);
8416
8417         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8418         if (i >= num_screens)
8419                 errx(1, "scan_xrandr: invalid screen");
8420
8421         /* remove any old regions */
8422         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
8423                 r->ws->old_r = r->ws->r = NULL;
8424                 bar_cleanup(r);
8425                 TAILQ_REMOVE(&screens[i].rl, r, entry);
8426                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
8427         }
8428         outputs = 0;
8429
8430         /* map virtual screens onto physical screens */
8431 #ifdef SWM_XRR_HAS_CRTC
8432         if (xrandr_support) {
8433                 src = xcb_randr_get_screen_resources_current(conn,
8434                     screens[i].root);
8435                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
8436                     NULL);
8437                 if (srr == NULL) {
8438                         new_region(&screens[i], 0, 0,
8439                             screen->width_in_pixels,
8440                             screen->height_in_pixels);
8441                         goto out;
8442                 } else
8443                         ncrtc = srr->num_crtcs;
8444
8445                 crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
8446                 for (c = 0; c < ncrtc; c++) {
8447                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
8448                             XCB_CURRENT_TIME);
8449                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
8450                         if (cir == NULL)
8451                                 continue;
8452                         if (cir->num_outputs == 0) {
8453                                 free(cir);
8454                                 continue;
8455                         }
8456
8457                         if (cir->mode == 0)
8458                                 new_region(&screens[i], 0, 0,
8459                                     screen->width_in_pixels,
8460                                     screen->height_in_pixels);
8461                         else
8462                                 new_region(&screens[i],
8463                                     cir->x, cir->y, cir->width, cir->height);
8464                         free(cir);
8465                 }
8466                 free(srr);
8467         }
8468 #endif /* SWM_XRR_HAS_CRTC */
8469
8470         /* If detection failed, create a single region that spans the screen. */
8471         if (TAILQ_EMPTY(&screens[i].rl))
8472                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
8473                     screen->height_in_pixels);
8474
8475 out:
8476         DNPRINTF(SWM_D_MISC, "scan_xrandr: done.\n");
8477 }
8478
8479 void
8480 screenchange(xcb_randr_screen_change_notify_event_t *e)
8481 {
8482         struct swm_region               *r;
8483         int                             i, num_screens;
8484
8485         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
8486
8487         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8488         /* silly event doesn't include the screen index */
8489         for (i = 0; i < num_screens; i++)
8490                 if (screens[i].root == e->root)
8491                         break;
8492         if (i >= num_screens)
8493                 errx(1, "screenchange: screen not found");
8494
8495         /* brute force for now, just re-enumerate the regions */
8496         scan_xrandr(i);
8497
8498 #ifdef SWM_DEBUG
8499         print_win_geom(e->root);
8500 #endif
8501         /* add bars to all regions */
8502         for (i = 0; i < num_screens; i++)
8503                 TAILQ_FOREACH(r, &screens[i].rl, entry)
8504                         bar_setup(r);
8505         stack();
8506 }
8507
8508 void
8509 grab_windows(void)
8510 {
8511         xcb_window_t            *wins = NULL, trans;
8512         int                     no;
8513         int                     i, j, num_screens;
8514         uint16_t                state, manage, mapped;
8515
8516         xcb_query_tree_cookie_t                 qtc;
8517         xcb_query_tree_reply_t                  *qtr;
8518         xcb_get_window_attributes_cookie_t      c;
8519         xcb_get_window_attributes_reply_t       *r;
8520         xcb_get_property_cookie_t               pc;
8521
8522         DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
8523         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8524         for (i = 0; i < num_screens; i++) {
8525                 qtc = xcb_query_tree(conn, screens[i].root);
8526                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
8527                 if (!qtr)
8528                         continue;
8529                 wins = xcb_query_tree_children(qtr);
8530                 no = xcb_query_tree_children_length(qtr);
8531                 /* attach windows to a region */
8532                 /* normal windows */
8533                 DNPRINTF(SWM_D_INIT, "grab_windows: grab top level windows.\n");
8534                 for (j = 0; j < no; j++) {
8535                         c = xcb_get_window_attributes(conn, wins[j]);
8536                         r = xcb_get_window_attributes_reply(conn, c, NULL);
8537                         if (!r) {
8538                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8539                                     "doesn't exist.\n", wins[j]);
8540                                 continue;
8541                         }
8542                         if (r->override_redirect) {
8543                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8544                                     "override_redirect set.\n", wins[j]);
8545                                 free(r);
8546                                 continue;
8547                         }
8548
8549                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
8550                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
8551                             &trans, NULL)) {
8552                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8553                                     "is transient for %#x.\n", wins[j], trans);
8554                                 free(r);
8555                                 continue;
8556                         }
8557
8558                         state = getstate(wins[j]);
8559                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
8560                         mapped = r->map_state != XCB_MAP_STATE_UNMAPPED;
8561                         if (mapped || manage)
8562                                 manage_window(wins[j], mapped);
8563                         free(r);
8564                 }
8565                 /* transient windows */
8566                 DNPRINTF(SWM_D_INIT, "grab_windows: grab transient windows.\n");
8567                 for (j = 0; j < no; j++) {
8568                         c = xcb_get_window_attributes(conn, wins[j]);
8569                         r = xcb_get_window_attributes_reply(conn, c, NULL);
8570                         if (!r) {
8571                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8572                                     "doesn't exist.\n", wins[j]);
8573                                 continue;
8574                         }
8575                         if (r->override_redirect) {
8576                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8577                                     "override_redirect set.\n", wins[j]);
8578                                 free(r);
8579                                 continue;
8580                         }
8581
8582                         state = getstate(wins[j]);
8583                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
8584                         mapped = r->map_state != XCB_MAP_STATE_UNMAPPED;
8585                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
8586                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
8587                             &trans, NULL) && manage)
8588                                 manage_window(wins[j], mapped);
8589                         free(r);
8590                 }
8591                 free(qtr);
8592         }
8593         DNPRINTF(SWM_D_INIT, "grab_windows: done.\n");
8594 }
8595
8596 void
8597 setup_screens(void)
8598 {
8599         int                     i, j, k, num_screens;
8600         struct workspace        *ws;
8601         uint32_t                gcv[1], wa[1];
8602         const xcb_query_extension_reply_t *qep;
8603         xcb_screen_t                            *screen;
8604         xcb_randr_query_version_cookie_t        c;
8605         xcb_randr_query_version_reply_t         *r;
8606
8607         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8608         if ((screens = calloc(num_screens,
8609              sizeof(struct swm_screen))) == NULL)
8610                 err(1, "setup_screens: calloc: failed to allocate memory for "
8611                     "screens");
8612
8613         /* initial Xrandr setup */
8614         xrandr_support = 0;
8615         qep = xcb_get_extension_data(conn, &xcb_randr_id);
8616         if (qep->present) {
8617                 c = xcb_randr_query_version(conn, 1, 1);
8618                 r = xcb_randr_query_version_reply(conn, c, NULL);
8619                 if (r) {
8620                         if (r->major_version >= 1) {
8621                                 xrandr_support = 1;
8622                                 xrandr_eventbase = qep->first_event;
8623                         }
8624                         free(r);
8625                 }
8626         }
8627
8628         wa[0] = cursors[XC_LEFT_PTR].cid;
8629
8630         /* map physical screens */
8631         for (i = 0; i < num_screens; i++) {
8632                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
8633                 screens[i].idx = i;
8634                 TAILQ_INIT(&screens[i].rl);
8635                 TAILQ_INIT(&screens[i].orl);
8636                 if ((screen = get_screen(i)) == NULL)
8637                         errx(1, "ERROR: can't get screen %d.", i);
8638                 screens[i].root = screen->root;
8639
8640                 /* set default colors */
8641                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
8642                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
8643                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
8644                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
8645                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
8646
8647                 /* create graphics context on screen */
8648                 screens[i].bar_gc = xcb_generate_id(conn);
8649                 gcv[0] = 0;
8650                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
8651                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
8652
8653                 /* set default cursor */
8654                 xcb_change_window_attributes(conn, screens[i].root,
8655                     XCB_CW_CURSOR, wa);
8656
8657                 /* init all workspaces */
8658                 /* XXX these should be dynamically allocated too */
8659                 for (j = 0; j < SWM_WS_MAX; j++) {
8660                         ws = &screens[i].ws[j];
8661                         ws->idx = j;
8662                         ws->name = NULL;
8663                         ws->bar_enabled = 1;
8664                         ws->focus = NULL;
8665                         ws->focus_prev = NULL;
8666                         ws->focus_pending = NULL;
8667                         ws->r = NULL;
8668                         ws->old_r = NULL;
8669                         TAILQ_INIT(&ws->winlist);
8670                         TAILQ_INIT(&ws->unmanagedlist);
8671
8672                         for (k = 0; layouts[k].l_stack != NULL; k++)
8673                                 if (layouts[k].l_config != NULL)
8674                                         layouts[k].l_config(ws,
8675                                             SWM_ARG_ID_STACKINIT);
8676                         ws->cur_layout = &layouts[0];
8677                         ws->cur_layout->l_string(ws);
8678                 }
8679
8680                 scan_xrandr(i);
8681
8682                 if (xrandr_support)
8683                         xcb_randr_select_input(conn, screens[i].root,
8684                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
8685         }
8686 }
8687
8688 void
8689 setup_globals(void)
8690 {
8691         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
8692                 err(1, "setup_globals: strdup: failed to allocate memory.");
8693
8694         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
8695                 err(1, "setup_globals: strdup: failed to allocate memory.");
8696
8697         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
8698                 errx(1, "unable to allocate key symbols");
8699
8700         a_state = get_atom_from_string("WM_STATE");
8701         a_prot = get_atom_from_string("WM_PROTOCOLS");
8702         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
8703         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
8704         a_wmname = get_atom_from_string("WM_NAME");
8705         a_netwmname = get_atom_from_string("_NET_WM_NAME");
8706         a_utf8_string = get_atom_from_string("UTF8_STRING");
8707         a_string = get_atom_from_string("STRING");
8708         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
8709         a_swm_ws = get_atom_from_string("_SWM_WS");
8710 }
8711
8712 void
8713 workaround(void)
8714 {
8715         int                     i, num_screens;
8716         xcb_atom_t              netwmcheck;
8717         xcb_window_t            root, win;
8718
8719         /* work around sun jdk bugs, code from wmname */
8720         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
8721
8722         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8723         for (i = 0; i < num_screens; i++) {
8724                 root = screens[i].root;
8725
8726                 win = xcb_generate_id(conn);
8727                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, root,
8728                     0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
8729                     XCB_COPY_FROM_PARENT, 0, NULL);
8730
8731                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
8732                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
8733                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
8734                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
8735                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
8736                     a_netwmname, a_utf8_string, 8, strlen("LG3D"), "LG3D");
8737         }
8738 }
8739
8740 void
8741 shutdown_cleanup(void)
8742 {
8743         int i, num_screens;
8744
8745         /* disable alarm because the following code may not be interrupted */
8746         alarm(0);
8747         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
8748                 err(1, "can't disable alarm");
8749
8750         bar_extra_stop();
8751         bar_extra = 1;
8752         unmap_all();
8753
8754         cursors_cleanup();
8755
8756         teardown_ewmh();
8757
8758         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8759         for (i = 0; i < num_screens; ++i) {
8760                 if (screens[i].bar_gc != 0)
8761                         xcb_free_gc(conn, screens[i].bar_gc);
8762                 if (!bar_font_legacy)
8763                         XftColorFree(display, DefaultVisual(display, i),
8764                             DefaultColormap(display, i), &bar_font_color);
8765         }
8766
8767         if (bar_font_legacy)
8768                 XFreeFontSet(display, bar_fs);
8769         else {
8770                 XftFontClose(display, bar_font);
8771         }
8772
8773         xcb_key_symbols_free(syms);
8774         xcb_flush(conn);
8775         xcb_disconnect(conn);
8776 }
8777
8778 void
8779 event_error(xcb_generic_error_t *e)
8780 {
8781         (void)e;
8782
8783         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
8784             "resource_id: %u, minor_code: %u\n",
8785             xcb_event_get_error_label(e->error_code), e->error_code,
8786             xcb_event_get_request_label(e->major_code), e->major_code,
8787             e->sequence, e->resource_id, e->minor_code);
8788 }
8789
8790 void
8791 event_handle(xcb_generic_event_t *evt)
8792 {
8793         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
8794
8795         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d), seq %u\n",
8796             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
8797             XCB_EVENT_RESPONSE_TYPE(evt), evt->sequence);
8798
8799         switch (type) {
8800 #define EVENT(type, callback) case type: callback((void *)evt); return
8801         EVENT(0, event_error);
8802         EVENT(XCB_BUTTON_PRESS, buttonpress);
8803         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
8804         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
8805         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
8806         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
8807         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
8808         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
8809         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
8810         /*EVENT(XCB_CREATE_NOTIFY, );*/
8811         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
8812         EVENT(XCB_ENTER_NOTIFY, enternotify);
8813         EVENT(XCB_EXPOSE, expose);
8814 #ifdef SWM_DEBUG
8815         EVENT(XCB_FOCUS_IN, focusin);
8816         EVENT(XCB_FOCUS_OUT, focusout);
8817 #endif
8818         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
8819         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
8820         EVENT(XCB_KEY_PRESS, keypress);
8821         /*EVENT(XCB_KEY_RELEASE, keypress);*/
8822         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
8823 #ifdef SWM_DEBUG
8824         EVENT(XCB_LEAVE_NOTIFY, leavenotify);
8825 #endif
8826         EVENT(XCB_MAP_NOTIFY, mapnotify);
8827         EVENT(XCB_MAP_REQUEST, maprequest);
8828         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
8829         /*EVENT(XCB_MOTION_NOTIFY, );*/
8830         /*EVENT(XCB_NO_EXPOSURE, );*/
8831         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
8832         /*EVENT(XCB_REPARENT_NOTIFY, );*/
8833         /*EVENT(XCB_RESIZE_REQUEST, );*/
8834         /*EVENT(XCB_SELECTION_CLEAR, );*/
8835         /*EVENT(XCB_SELECTION_NOTIFY, );*/
8836         /*EVENT(XCB_SELECTION_REQUEST, );*/
8837         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
8838         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
8839 #undef EVENT
8840         }
8841         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
8842                 screenchange((void *)evt);
8843 }
8844
8845 int
8846 main(int argc, char *argv[])
8847 {
8848         struct swm_region       *r, *rr;
8849         struct ws_win           *winfocus = NULL;
8850         char                    conf[PATH_MAX], *cfile = NULL;
8851         struct stat             sb;
8852         int                     xfd, i, num_screens;
8853         struct sigaction        sact;
8854         xcb_generic_event_t     *evt;
8855         struct timeval          tv;
8856         fd_set                  rd;
8857         int                     rd_max;
8858         int                     do_bar_update = 0;
8859         int                     num_readable;
8860
8861         /* suppress unused warning since var is needed */
8862         (void)argc;
8863
8864         time_started = time(NULL);
8865
8866         start_argv = argv;
8867         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
8868         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
8869                 warnx("no locale support");
8870
8871         /* handle some signals */
8872         bzero(&sact, sizeof(sact));
8873         sigemptyset(&sact.sa_mask);
8874         sact.sa_flags = 0;
8875         sact.sa_handler = sighdlr;
8876         sigaction(SIGINT, &sact, NULL);
8877         sigaction(SIGQUIT, &sact, NULL);
8878         sigaction(SIGTERM, &sact, NULL);
8879         sigaction(SIGHUP, &sact, NULL);
8880
8881         sact.sa_handler = sighdlr;
8882         sact.sa_flags = SA_NOCLDSTOP;
8883         sigaction(SIGCHLD, &sact, NULL);
8884
8885         if (!(display = XOpenDisplay(0)))
8886                 errx(1, "can not open display");
8887
8888         conn = XGetXCBConnection(display);
8889         if (xcb_connection_has_error(conn))
8890                 errx(1, "can not get XCB connection");
8891
8892         XSetEventQueueOwner(display, XCBOwnsEventQueue);
8893
8894         xcb_prefetch_extension_data(conn, &xcb_randr_id);
8895         xfd = xcb_get_file_descriptor(conn);
8896
8897         /* look for local and global conf file */
8898         pwd = getpwuid(getuid());
8899         if (pwd == NULL)
8900                 errx(1, "invalid user: %d", getuid());
8901
8902         xcb_grab_server(conn);
8903         xcb_aux_sync(conn);
8904
8905         /* flush all events */
8906         while ((evt = xcb_poll_for_event(conn))) {
8907                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
8908                         event_handle(evt);
8909                 free(evt);
8910         }
8911
8912         if (enable_wm() != 0)
8913                 errx(1, "another window manager is currently running");
8914
8915         /* Load Xcursors and/or cursorfont glyph cursors. */
8916         cursors_load();
8917
8918         xcb_aux_sync(conn);
8919
8920         setup_globals();
8921         setup_screens();
8922         setup_keys();
8923         setup_quirks();
8924         setup_spawn();
8925
8926         /* load config */
8927         for (i = 0; ; i++) {
8928                 conf[0] = '\0';
8929                 switch (i) {
8930                 case 0:
8931                         /* ~ */
8932                         snprintf(conf, sizeof conf, "%s/.%s",
8933                             pwd->pw_dir, SWM_CONF_FILE);
8934                         break;
8935                 case 1:
8936                         /* global */
8937                         snprintf(conf, sizeof conf, "/etc/%s",
8938                             SWM_CONF_FILE);
8939                         break;
8940                 case 2:
8941                         /* ~ compat */
8942                         snprintf(conf, sizeof conf, "%s/.%s",
8943                             pwd->pw_dir, SWM_CONF_FILE_OLD);
8944                         break;
8945                 case 3:
8946                         /* global compat */
8947                         snprintf(conf, sizeof conf, "/etc/%s",
8948                             SWM_CONF_FILE_OLD);
8949                         break;
8950                 default:
8951                         goto noconfig;
8952                 }
8953
8954                 if (strlen(conf) && stat(conf, &sb) != -1)
8955                         if (S_ISREG(sb.st_mode)) {
8956                                 cfile = conf;
8957                                 break;
8958                         }
8959         }
8960 noconfig:
8961
8962         /* load conf (if any) */
8963         if (cfile)
8964                 conf_load(cfile, SWM_CONF_DEFAULT);
8965
8966         setup_ewmh();
8967         /* set some values to work around bad programs */
8968         workaround();
8969         /* grab existing windows (before we build the bars) */
8970         grab_windows();
8971
8972         if (getenv("SWM_STARTED") == NULL)
8973                 setenv("SWM_STARTED", "YES", 1);
8974
8975         /* setup all bars */
8976         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8977         for (i = 0; i < num_screens; i++)
8978                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
8979                         if (winfocus == NULL)
8980                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
8981                         bar_setup(r);
8982                 }
8983
8984         grabkeys();
8985         stack();
8986
8987         xcb_ungrab_server(conn);
8988         xcb_flush(conn);
8989
8990         rd_max = xfd > STDIN_FILENO ? xfd : STDIN_FILENO;
8991
8992         while (running) {
8993                 while ((evt = xcb_poll_for_event(conn))) {
8994                         if (!running)
8995                                 goto done;
8996                         event_handle(evt);
8997                         free(evt);
8998                 }
8999
9000                 /* If just (re)started, set default focus if needed. */
9001                 if (winfocus && focus_mode != SWM_FOCUS_FOLLOW) {
9002                         rr = winfocus->ws->r;
9003                         if (rr == NULL) {
9004                                 /* not a visible window */
9005                                 winfocus = NULL;
9006                                 continue;
9007                         }
9008
9009                         focus_win(get_region_focus(rr));
9010                         focus_flush();
9011                         winfocus = NULL;
9012                         continue;
9013                 }
9014
9015                 FD_ZERO(&rd);
9016                 FD_SET(STDIN_FILENO, &rd);
9017                 FD_SET(xfd, &rd);
9018                 tv.tv_sec = 1;
9019                 tv.tv_usec = 0;
9020                 num_readable = select(rd_max + 1, &rd, NULL, NULL, &tv);
9021                 if (num_readable == -1 && errno != EINTR)
9022                         DNPRINTF(SWM_D_MISC, "select failed");
9023                 else if (num_readable > 0 && FD_ISSET(STDIN_FILENO, &rd))
9024                         do_bar_update = 1;
9025
9026                 if (restart_wm)
9027                         restart(NULL, NULL);
9028
9029                 if (search_resp)
9030                         search_do_resp();
9031
9032                 if (!running)
9033                         goto done;
9034
9035                 if (do_bar_update) {
9036                         do_bar_update = 0;
9037                         bar_update();
9038                         xcb_flush(conn);
9039                 }
9040         }
9041 done:
9042         shutdown_cleanup();
9043
9044         return (0);
9045 }