spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2013 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  * Copyright (c) 2012-2013 David Hill <dhill@mindcry.org>
  12  *
  13  * Permission to use, copy, modify, and distribute this software for any
  14  * purpose with or without fee is hereby granted, provided that the above
  15  * copyright notice and this permission notice appear in all copies.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  18  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  20  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  21  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  22  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  23  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  24  */
  25 /*
  26  * Much code and ideas taken from dwm under the following license:
  27  * MIT/X Consortium License
  28  *
  29  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  30  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  31  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  32  * 2007 Premysl Hruby <dfenze at gmail dot com>
  33  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  34  * 2007 Christof Musik <christof at sendfax dot de>
  35  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  36  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  37  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  38  *
  39  * Permission is hereby granted, free of charge, to any person obtaining a
  40  * copy of this software and associated documentation files (the "Software"),
  41  * to deal in the Software without restriction, including without limitation
  42  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  43  * and/or sell copies of the Software, and to permit persons to whom the
  44  * Software is furnished to do so, subject to the following conditions:
  45  *
  46  * The above copyright notice and this permission notice shall be included in
  47  * all copies or substantial portions of the Software.
  48  *
  49  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  50  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  51  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  52  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  53  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  54  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  55  * DEALINGS IN THE SOFTWARE.
  56  */
  57
  58 /* kernel includes */
  59 #include <sys/types.h>
  60 #include <sys/time.h>
  61 #include <sys/stat.h>
  62 #include <sys/wait.h>
  63 #include <sys/queue.h>
  64 #include <sys/param.h>
  65 #include <sys/select.h>
  66 #if defined(__linux__)
  67 #include "tree.h"
  68 #elif defined(__OpenBSD__)
  69 #include <sys/tree.h>
  70 #elif defined(__FreeBSD__)
  71 #include <sys/tree.h>
  72 #else
  73 #include "tree.h"
  74 #endif
  75
  76 /* /usr/includes */
  77 #include <ctype.h>
  78 #include <err.h>
  79 #include <errno.h>
  80 #include <fcntl.h>
  81 #include <locale.h>
  82 #include <paths.h>
  83 #include <pwd.h>
  84 #include <signal.h>
  85 #include <stdio.h>
  86 #include <stdlib.h>
  87 #include <string.h>
  88 #include <time.h>
  89 #include <unistd.h>
  90 #include <util.h>
  91 #include <X11/cursorfont.h>
  92 #include <X11/extensions/Xrandr.h>
  93 #include <X11/Xcursor/Xcursor.h>
  94 #include <X11/Xft/Xft.h>
  95 #include <X11/Xlib-xcb.h>
  96 #include <xcb/xcb_atom.h>
  97 #include <xcb/xcb_aux.h>
  98 #include <xcb/xcb_event.h>
  99 #include <xcb/xcb_icccm.h>
 100 #include <xcb/xcb_keysyms.h>
 101 #include <xcb/xtest.h>
 102 #include <xcb/randr.h>
 103
 104 /* local includes */
 105 #include "version.h"
 106 #ifdef __OSX__
 107 #include <osx.h>
 108 #endif
 109
 110 #ifdef SPECTRWM_BUILDSTR
 111 static const char       *buildstr = SPECTRWM_BUILDSTR;
 112 #else
 113 static const char       *buildstr = SPECTRWM_VERSION;
 114 #endif
 115
 116 #if !defined(__CYGWIN__) /* cygwin chokes on xrandr stuff */
 117 #  if RANDR_MAJOR < 1
 118 #    error XRandR versions less than 1.0 are not supported
 119 #endif
 120
 121 #  if RANDR_MAJOR >= 1
 122 #    if RANDR_MINOR >= 2
 123 #      define SWM_XRR_HAS_CRTC
 124 #    endif
 125 #  endif
 126 #endif /* __CYGWIN__ */
 127
 128 #ifndef XCB_ICCCM_NUM_WM_HINTS_ELEMENTS
 129 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 130 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 131 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 132 #define XCB_ICCCM_WM_HINT_INPUT                 XCB_WM_HINT_INPUT
 133 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 134 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 135 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 136 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 137 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 138 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 139 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 140 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 141 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 142 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 143 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 144 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 145 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 146 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 147 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 148 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 149 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 150 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 151 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 152 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 153 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 154 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 155 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 156 #endif
 157
 158 /*#define SWM_DEBUG*/
 159 #ifdef SWM_DEBUG
 160 #define DPRINTF(x...) do {                                                      \
 161         if (swm_debug)                                                          \
 162                 fprintf(stderr, x);                                             \
 163 } while (0)
 164 #define DNPRINTF(n,x...) do {                                                   \
 165         if (swm_debug & n) {                                                    \
 166                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 167                 fprintf(stderr, x);                                             \
 168         }                                                                       \
 169 } while (0)
 170 #define SWM_D_MISC              0x0001
 171 #define SWM_D_EVENT             0x0002
 172 #define SWM_D_WS                0x0004
 173 #define SWM_D_FOCUS             0x0008
 174 #define SWM_D_MOVE              0x0010
 175 #define SWM_D_STACK             0x0020
 176 #define SWM_D_MOUSE             0x0040
 177 #define SWM_D_PROP              0x0080
 178 #define SWM_D_CLASS             0x0100
 179 #define SWM_D_KEY               0x0200
 180 #define SWM_D_QUIRK             0x0400
 181 #define SWM_D_SPAWN             0x0800
 182 #define SWM_D_EVENTQ            0x1000
 183 #define SWM_D_CONF              0x2000
 184 #define SWM_D_BAR               0x4000
 185 #define SWM_D_INIT              0x8000
 186
 187 u_int32_t               swm_debug = 0
 188                             | SWM_D_MISC
 189                             | SWM_D_EVENT
 190                             | SWM_D_WS
 191                             | SWM_D_FOCUS
 192                             | SWM_D_MOVE
 193                             | SWM_D_STACK
 194                             | SWM_D_MOUSE
 195                             | SWM_D_PROP
 196                             | SWM_D_CLASS
 197                             | SWM_D_KEY
 198                             | SWM_D_QUIRK
 199                             | SWM_D_SPAWN
 200                             | SWM_D_EVENTQ
 201                             | SWM_D_CONF
 202                             | SWM_D_BAR
 203                             | SWM_D_INIT
 204                             ;
 205 #else
 206 #define DPRINTF(x...)
 207 #define DNPRINTF(n,x...)
 208 #endif
 209
 210 /* convert 8-bit to 16-bit */
 211 #define RGB_8_TO_16(col)        ((col) << 8) + (col)
 212
 213 #define PIXEL_TO_XRENDERCOLOR(px, xrc)                                  \
 214         xrc.red = RGB_8_TO_16((px) >> 16 & 0xff);                       \
 215         xrc.green = RGB_8_TO_16((px) >> 8 & 0xff);                      \
 216         xrc.blue = RGB_8_TO_16((px) & 0xff);                            \
 217         xrc.alpha = 0xffff;
 218
 219 #define LENGTH(x)               (int)(sizeof (x) / sizeof (x)[0])
 220 #define MODKEY                  XCB_MOD_MASK_1
 221 #define CLEANMASK(mask)         ((mask) & ~(numlockmask | XCB_MOD_MASK_LOCK))
 222 #define BUTTONMASK              (XCB_EVENT_MASK_BUTTON_PRESS |          \
 223     XCB_EVENT_MASK_BUTTON_RELEASE)
 224 #define MOUSEMASK               (BUTTONMASK|XCB_EVENT_MASK_POINTER_MOTION)
 225 #define SWM_PROPLEN             (16)
 226 #define SWM_FUNCNAME_LEN        (32)
 227 #define SWM_KEYS_LEN            (255)
 228 #define SWM_QUIRK_LEN           (64)
 229 #define X(r)                    (r)->g.x
 230 #define Y(r)                    (r)->g.y
 231 #define WIDTH(r)                (r)->g.w
 232 #define HEIGHT(r)               (r)->g.h
 233 #define BORDER(w)               ((w)->bordered ? border_width : 0)
 234 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 235 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 236 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 237 #define SH_MIN_W(w)             (w)->sh.min_width
 238 #define SH_MIN_H(w)             (w)->sh.min_height
 239 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 240 #define SH_MAX_W(w)             (w)->sh.max_width
 241 #define SH_MAX_H(w)             (w)->sh.max_height
 242 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 243 #define SH_INC_W(w)             (w)->sh.width_inc
 244 #define SH_INC_H(w)             (w)->sh.height_inc
 245 #define SWM_MAX_FONT_STEPS      (3)
 246 #define WINID(w)                ((w) ? (w)->id : XCB_WINDOW_NONE)
 247 #define YESNO(x)                ((x) ? "yes" : "no")
 248
 249 /* Constrain Window flags */
 250 #define SWM_CW_RESIZABLE        (0x01)
 251 #define SWM_CW_SOFTBOUNDARY     (0x02)
 252 #define SWM_CW_HARDBOUNDARY     (0x04)
 253 #define SWM_CW_RIGHT            (0x10)
 254 #define SWM_CW_LEFT             (0x20)
 255 #define SWM_CW_BOTTOM           (0x40)
 256 #define SWM_CW_TOP              (0x80)
 257 #define SWM_CW_ALLSIDES         (0xf0)
 258
 259 #define SWM_FOCUS_DEFAULT       (0)
 260 #define SWM_FOCUS_FOLLOW        (1)
 261 #define SWM_FOCUS_MANUAL        (2)
 262
 263 #define SWM_CK_NONE             0
 264 #define SWM_CK_ALL              0xf
 265 #define SWM_CK_FOCUS            0x1
 266 #define SWM_CK_POINTER          0x2
 267 #define SWM_CK_FALLBACK         0x4
 268 #define SWM_CK_REGION           0x8
 269
 270 #define SWM_CONF_DEFAULT        (0)
 271 #define SWM_CONF_KEYMAPPING     (1)
 272
 273 #ifndef SWM_LIB
 274 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 275 #endif
 276
 277 char                    **start_argv;
 278 xcb_atom_t              a_state;
 279 xcb_atom_t              a_prot;
 280 xcb_atom_t              a_delete;
 281 xcb_atom_t              a_takefocus;
 282 xcb_atom_t              a_wmname;
 283 xcb_atom_t              a_netwmname;
 284 xcb_atom_t              a_utf8_string;
 285 xcb_atom_t              a_string;
 286 xcb_atom_t              a_swm_iconic;
 287 xcb_atom_t              a_swm_ws;
 288 volatile sig_atomic_t   running = 1;
 289 volatile sig_atomic_t   restart_wm = 0;
 290 xcb_timestamp_t         last_event_time = 0;
 291 int                     outputs = 0;
 292 int                     other_wm;
 293 int                     xrandr_support;
 294 int                     xrandr_eventbase;
 295 unsigned int            numlockmask = 0;
 296
 297 Display                 *display;
 298 xcb_connection_t        *conn;
 299 xcb_key_symbols_t       *syms;
 300
 301 int                     boundary_width = 50;
 302 int                     cycle_empty = 0;
 303 int                     cycle_visible = 0;
 304 int                     term_width = 0;
 305 int                     font_adjusted = 0;
 306 unsigned int            mod_key = MODKEY;
 307
 308 /* dmenu search */
 309 struct swm_region       *search_r;
 310 int                     select_list_pipe[2];
 311 int                     select_resp_pipe[2];
 312 pid_t                   searchpid;
 313 volatile sig_atomic_t   search_resp;
 314 int                     search_resp_action;
 315
 316 struct search_window {
 317         TAILQ_ENTRY(search_window)      entry;
 318         int                             idx;
 319         struct ws_win                   *win;
 320         xcb_gcontext_t                  gc;
 321         xcb_window_t                    indicator;
 322 };
 323 TAILQ_HEAD(search_winlist, search_window);
 324 struct search_winlist                   search_wl;
 325
 326 /* search actions */
 327 enum {
 328         SWM_SEARCH_NONE,
 329         SWM_SEARCH_UNICONIFY,
 330         SWM_SEARCH_NAME_WORKSPACE,
 331         SWM_SEARCH_SEARCH_WORKSPACE,
 332         SWM_SEARCH_SEARCH_WINDOW
 333 };
 334
 335 #define SWM_STACK_TOP           (0)
 336 #define SWM_STACK_BOTTOM        (1)
 337 #define SWM_STACK_ABOVE         (2)
 338 #define SWM_STACK_BELOW         (3)
 339
 340 /* dialog windows */
 341 double                  dialog_ratio = 0.6;
 342 /* status bar */
 343 #define SWM_BAR_MAX             (256)
 344 #define SWM_BAR_JUSTIFY_LEFT    (0)
 345 #define SWM_BAR_JUSTIFY_CENTER  (1)
 346 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 347 #define SWM_BAR_OFFSET          (4)
 348 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-12-*-*-*-*-*-*-*," \
 349                                 "-*-profont-*-*-*-*-12-*-*-*-*-*-*-*,"      \
 350                                 "-*-times-medium-r-*-*-12-*-*-*-*-*-*-*,"    \
 351                                 "-misc-fixed-medium-r-*-*-12-*-*-*-*-*-*-*,"  \
 352                                 "-*-*-*-r-*-*-*-*-*-*-*-*-*-*"
 353
 354 #ifdef X_HAVE_UTF8_STRING
 355 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 356 #else
 357 #define DRAWSTRING(x...)        XmbDrawString(x)
 358 #endif
 359
 360 char            *bar_argv[] = { NULL, NULL };
 361 int              bar_pipe[2];
 362 char             bar_ext[SWM_BAR_MAX];
 363 char             bar_ext_buf[SWM_BAR_MAX];
 364 char             bar_vertext[SWM_BAR_MAX];
 365 int              bar_version = 0;
 366 int              bar_enabled = 1;
 367 int              bar_border_width = 1;
 368 int              bar_at_bottom = 0;
 369 int              bar_extra = 0;
 370 int              bar_verbose = 1;
 371 int              bar_height = 0;
 372 int              bar_justify = SWM_BAR_JUSTIFY_LEFT;
 373 char             *bar_format = NULL;
 374 int              stack_enabled = 1;
 375 int              clock_enabled = 1;
 376 int              urgent_enabled = 0;
 377 char            *clock_format = NULL;
 378 int              title_name_enabled = 0;
 379 int              title_class_enabled = 0;
 380 int              window_name_enabled = 0;
 381 int              focus_mode = SWM_FOCUS_DEFAULT;
 382 int              focus_close = SWM_STACK_BELOW;
 383 int              focus_close_wrap = 1;
 384 int              focus_default = SWM_STACK_TOP;
 385 int              spawn_position = SWM_STACK_TOP;
 386 int              disable_border = 0;
 387 int              border_width = 1;
 388 int              region_padding = 0;
 389 int              tile_gap = 0;
 390 int              verbose_layout = 0;
 391 time_t           time_started;
 392 pid_t            bar_pid;
 393 XFontSet         bar_fs;
 394 XFontSetExtents *bar_fs_extents;
 395 XftFont         *bar_font;
 396 int              bar_font_legacy = 1;
 397 char            *bar_fonts;
 398 XftColor         bar_font_color;
 399 struct passwd   *pwd;
 400 char            *startup_exception;
 401 unsigned int     nr_exceptions = 0;
 402
 403 /* layout manager data */
 404 struct swm_geometry {
 405         int                     x;
 406         int                     y;
 407         int                     w;
 408         int                     h;
 409 };
 410
 411 struct swm_screen;
 412 struct workspace;
 413
 414 struct swm_bar {
 415         xcb_window_t            id;
 416         xcb_pixmap_t            buffer;
 417         struct swm_geometry     g;
 418 };
 419
 420 /* virtual "screens" */
 421 struct swm_region {
 422         TAILQ_ENTRY(swm_region) entry;
 423         xcb_window_t            id;
 424         struct swm_geometry     g;
 425         struct workspace        *ws;    /* current workspace on this region */
 426         struct workspace        *ws_prior; /* prior workspace on this region */
 427         struct swm_screen       *s;     /* screen idx */
 428         struct swm_bar          *bar;
 429 };
 430 TAILQ_HEAD(swm_region_list, swm_region);
 431
 432 struct ws_win {
 433         TAILQ_ENTRY(ws_win)     entry;
 434         xcb_window_t            id;
 435         xcb_window_t            transient;
 436         struct ws_win           *focus_child;   /* focus on child transient */
 437         struct swm_geometry     g;              /* current geometry */
 438         struct swm_geometry     g_float;        /* region coordinates */
 439         int                     g_floatvalid;   /* g_float geometry validity */
 440         int                     floatmaxed;     /* whether maxed by max_stack */
 441         int                     floating;
 442         int                     manual;
 443         int32_t                 mapped;
 444         int32_t                 iconic;
 445         int                     bordered;
 446         unsigned int            ewmh_flags;
 447         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 448         int                     font_steps;
 449         int                     last_inc;
 450         int                     can_delete;
 451         int                     take_focus;
 452         int                     java;
 453         unsigned long           quirks;
 454         struct workspace        *ws;    /* always valid */
 455         struct swm_screen       *s;     /* always valid, never changes */
 456         xcb_get_geometry_reply_t        *wa;
 457         xcb_size_hints_t        sh;
 458         xcb_icccm_get_wm_class_reply_t  ch;
 459         xcb_icccm_wm_hints_t    hints;
 460 };
 461 TAILQ_HEAD(ws_win_list, ws_win);
 462
 463 /* pid goo */
 464 struct pid_e {
 465         TAILQ_ENTRY(pid_e)      entry;
 466         pid_t                   pid;
 467         int                     ws;
 468 };
 469 TAILQ_HEAD(pid_list, pid_e);
 470 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 471
 472 /* layout handlers */
 473 void    stack(void);
 474 void    vertical_config(struct workspace *, int);
 475 void    vertical_stack(struct workspace *, struct swm_geometry *);
 476 void    horizontal_config(struct workspace *, int);
 477 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 478 void    max_stack(struct workspace *, struct swm_geometry *);
 479 void    plain_stacker(struct workspace *);
 480 void    fancy_stacker(struct workspace *);
 481
 482 struct layout {
 483         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 484         void            (*l_config)(struct workspace *, int);
 485         u_int32_t       flags;
 486 #define SWM_L_FOCUSPREV         (1<<0)
 487 #define SWM_L_MAPONFOCUS        (1<<1)
 488         void            (*l_string)(struct workspace *);
 489 } layouts[] =  {
 490         /* stack,               configure */
 491         { vertical_stack,       vertical_config,        0,      plain_stacker },
 492         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 493         { max_stack,            NULL,
 494           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 495         { NULL,                 NULL,                   0,      NULL  },
 496 };
 497
 498 /* position of max_stack mode in the layouts array, index into layouts! */
 499 #define SWM_V_STACK             (0)
 500 #define SWM_H_STACK             (1)
 501 #define SWM_MAX_STACK           (2)
 502
 503 #define SWM_H_SLICE             (32)
 504 #define SWM_V_SLICE             (32)
 505
 506 /* define work spaces */
 507 struct workspace {
 508         int                     idx;            /* workspace index */
 509         char                    *name;          /* workspace name */
 510         int                     always_raise;   /* raise windows on focus */
 511         int                     bar_enabled;    /* bar visibility */
 512         struct layout           *cur_layout;    /* current layout handlers */
 513         struct ws_win           *focus;         /* may be NULL */
 514         struct ws_win           *focus_prev;    /* may be NULL */
 515         struct ws_win           *focus_pending; /* may be NULL */
 516         struct swm_region       *r;             /* may be NULL */
 517         struct swm_region       *old_r;         /* may be NULL */
 518         struct ws_win_list      winlist;        /* list of windows in ws */
 519         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 520         char                    stacker[10];    /* display stacker and layout */
 521
 522         /* stacker state */
 523         struct {
 524                                 int horizontal_msize;
 525                                 int horizontal_mwin;
 526                                 int horizontal_stacks;
 527                                 int horizontal_flip;
 528                                 int vertical_msize;
 529                                 int vertical_mwin;
 530                                 int vertical_stacks;
 531                                 int vertical_flip;
 532         } l_state;
 533 };
 534
 535 enum {
 536         SWM_S_COLOR_BAR,
 537         SWM_S_COLOR_BAR_BORDER,
 538         SWM_S_COLOR_BAR_BORDER_UNFOCUS,
 539         SWM_S_COLOR_BAR_FONT,
 540         SWM_S_COLOR_FOCUS,
 541         SWM_S_COLOR_UNFOCUS,
 542         SWM_S_COLOR_MAX
 543 };
 544
 545 /* physical screen mapping */
 546 #define SWM_WS_MAX              (22)    /* hard limit */
 547 int             workspace_limit = 10;   /* soft limit */
 548
 549 struct swm_screen {
 550         int                     idx;    /* screen index */
 551         struct swm_region_list  rl;     /* list of regions on this screen */
 552         struct swm_region_list  orl;    /* list of old regions */
 553         xcb_window_t            root;
 554         struct workspace        ws[SWM_WS_MAX];
 555         struct swm_region       *r_focus;
 556
 557         /* colors */
 558         struct {
 559                 uint32_t        pixel;
 560                 char            *name;
 561         } c[SWM_S_COLOR_MAX];
 562
 563         xcb_gcontext_t          bar_gc;
 564         GC                      bar_gc_legacy;
 565 };
 566 struct swm_screen       *screens;
 567
 568 /* args to functions */
 569 union arg {
 570         int                     id;
 571 #define SWM_ARG_ID_FOCUSNEXT    (0)
 572 #define SWM_ARG_ID_FOCUSPREV    (1)
 573 #define SWM_ARG_ID_FOCUSMAIN    (2)
 574 #define SWM_ARG_ID_SWAPNEXT     (10)
 575 #define SWM_ARG_ID_SWAPPREV     (11)
 576 #define SWM_ARG_ID_SWAPMAIN     (12)
 577 #define SWM_ARG_ID_MOVELAST     (13)
 578 #define SWM_ARG_ID_MASTERSHRINK (20)
 579 #define SWM_ARG_ID_MASTERGROW   (21)
 580 #define SWM_ARG_ID_MASTERADD    (22)
 581 #define SWM_ARG_ID_MASTERDEL    (23)
 582 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 583 #define SWM_ARG_ID_STACKRESET   (30)
 584 #define SWM_ARG_ID_STACKINIT    (31)
 585 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 586 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 587 #define SWM_ARG_ID_CYCLERG_UP   (42)
 588 #define SWM_ARG_ID_CYCLERG_DOWN (43)
 589 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 590 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 591 #define SWM_ARG_ID_CYCLEWS_MOVE_UP      (46)
 592 #define SWM_ARG_ID_CYCLEWS_MOVE_DOWN    (47)
 593 #define SWM_ARG_ID_STACKINC     (50)
 594 #define SWM_ARG_ID_STACKDEC     (51)
 595 #define SWM_ARG_ID_SS_ALL       (60)
 596 #define SWM_ARG_ID_SS_WINDOW    (61)
 597 #define SWM_ARG_ID_DONTCENTER   (70)
 598 #define SWM_ARG_ID_CENTER       (71)
 599 #define SWM_ARG_ID_KILLWINDOW   (80)
 600 #define SWM_ARG_ID_DELETEWINDOW (81)
 601 #define SWM_ARG_ID_WIDTHGROW    (90)
 602 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 603 #define SWM_ARG_ID_HEIGHTGROW   (92)
 604 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 605 #define SWM_ARG_ID_MOVEUP       (100)
 606 #define SWM_ARG_ID_MOVEDOWN     (101)
 607 #define SWM_ARG_ID_MOVELEFT     (102)
 608 #define SWM_ARG_ID_MOVERIGHT    (103)
 609 #define SWM_ARG_ID_BAR_TOGGLE   (110)
 610 #define SWM_ARG_ID_BAR_TOGGLE_WS        (111)
 611         char                    **argv;
 612 };
 613
 614 /* quirks */
 615 struct quirk {
 616         TAILQ_ENTRY(quirk)      entry;
 617         char                    *class;
 618         char                    *name;
 619         unsigned long           quirk;
 620 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 621 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 622 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 623 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 624 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 625 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 626 #define SWM_Q_NOFOCUSONMAP      (1<<6)  /* Don't focus on window when mapped. */
 627 #define SWM_Q_FOCUSONMAP_SINGLE (1<<7)  /* Only focus if single win of type. */
 628 };
 629 TAILQ_HEAD(quirk_list, quirk);
 630 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 631
 632 /*
 633  * Supported EWMH hints should be added to
 634  * both the enum and the ewmh array
 635  */
 636 enum {
 637         _NET_ACTIVE_WINDOW,
 638         _NET_CLOSE_WINDOW,
 639         _NET_MOVERESIZE_WINDOW,
 640         _NET_WM_ACTION_ABOVE,
 641         _NET_WM_ACTION_CLOSE,
 642         _NET_WM_ACTION_FULLSCREEN,
 643         _NET_WM_ACTION_MOVE,
 644         _NET_WM_ACTION_RESIZE,
 645         _NET_WM_ALLOWED_ACTIONS,
 646         _NET_WM_NAME,
 647         _NET_WM_STATE,
 648         _NET_WM_STATE_ABOVE,
 649         _NET_WM_STATE_FULLSCREEN,
 650         _NET_WM_STATE_HIDDEN,
 651         _NET_WM_STATE_MAXIMIZED_HORZ,
 652         _NET_WM_STATE_MAXIMIZED_VERT,
 653         _NET_WM_STATE_SKIP_PAGER,
 654         _NET_WM_STATE_SKIP_TASKBAR,
 655         _NET_WM_WINDOW_TYPE,
 656         _NET_WM_WINDOW_TYPE_DIALOG,
 657         _NET_WM_WINDOW_TYPE_DOCK,
 658         _NET_WM_WINDOW_TYPE_NORMAL,
 659         _NET_WM_WINDOW_TYPE_SPLASH,
 660         _NET_WM_WINDOW_TYPE_TOOLBAR,
 661         _NET_WM_WINDOW_TYPE_UTILITY,
 662         _SWM_WM_STATE_MANUAL,
 663         SWM_EWMH_HINT_MAX
 664 };
 665
 666 struct ewmh_hint {
 667         char            *name;
 668         xcb_atom_t      atom;
 669 } ewmh[SWM_EWMH_HINT_MAX] =     {
 670     /* must be in same order as in the enum */
 671     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 672     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 673     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 674     {"_NET_WM_ACTION_ABOVE", XCB_ATOM_NONE},
 675     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 676     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 677     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 678     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 679     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 680     {"_NET_WM_NAME", XCB_ATOM_NONE},
 681     {"_NET_WM_STATE", XCB_ATOM_NONE},
 682     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 683     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 684     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 685     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 686     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 687     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 688     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 689     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 690     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 691     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 692     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 693     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 694     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 695     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 696     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 697 };
 698
 699 /* Cursors */
 700 enum {
 701         XC_FLEUR,
 702         XC_LEFT_PTR,
 703         XC_BOTTOM_LEFT_CORNER,
 704         XC_BOTTOM_RIGHT_CORNER,
 705         XC_SIZING,
 706         XC_TOP_LEFT_CORNER,
 707         XC_TOP_RIGHT_CORNER,
 708         XC_MAX
 709 };
 710
 711 struct cursors {
 712         char            *name; /* Name used by Xcursor .*/
 713         uint8_t         cf_char; /* cursorfont index. */
 714         xcb_cursor_t    cid;
 715 } cursors[XC_MAX] =     {
 716         {"fleur", XC_fleur, XCB_CURSOR_NONE},
 717         {"left_ptr", XC_left_ptr, XCB_CURSOR_NONE},
 718         {"bottom_left_corner", XC_bottom_left_corner, XCB_CURSOR_NONE},
 719         {"bottom_right_corner", XC_bottom_right_corner, XCB_CURSOR_NONE},
 720         {"sizing", XC_sizing, XCB_CURSOR_NONE},
 721         {"top_left_corner", XC_top_left_corner, XCB_CURSOR_NONE},
 722         {"top_right_corner", XC_top_right_corner, XCB_CURSOR_NONE},
 723 };
 724
 725 #define SWM_SPAWN_OPTIONAL              0x1
 726
 727 /* spawn */
 728 struct spawn_prog {
 729         TAILQ_ENTRY(spawn_prog) entry;
 730         char                    *name;
 731         int                     argc;
 732         char                    **argv;
 733         int                     flags;
 734 };
 735 TAILQ_HEAD(spawn_list, spawn_prog);
 736 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
 737
 738 /* user/key callable function IDs */
 739 enum keyfuncid {
 740         KF_BAR_TOGGLE,
 741         KF_BAR_TOGGLE_WS,
 742         KF_BUTTON2,
 743         KF_CYCLE_LAYOUT,
 744         KF_FLIP_LAYOUT,
 745         KF_FLOAT_TOGGLE,
 746         KF_FOCUS_MAIN,
 747         KF_FOCUS_NEXT,
 748         KF_FOCUS_PREV,
 749         KF_HEIGHT_GROW,
 750         KF_HEIGHT_SHRINK,
 751         KF_ICONIFY,
 752         KF_MASTER_SHRINK,
 753         KF_MASTER_GROW,
 754         KF_MASTER_ADD,
 755         KF_MASTER_DEL,
 756         KF_MOVE_DOWN,
 757         KF_MOVE_LEFT,
 758         KF_MOVE_RIGHT,
 759         KF_MOVE_UP,
 760         KF_MVRG_1,
 761         KF_MVRG_2,
 762         KF_MVRG_3,
 763         KF_MVRG_4,
 764         KF_MVRG_5,
 765         KF_MVRG_6,
 766         KF_MVRG_7,
 767         KF_MVRG_8,
 768         KF_MVRG_9,
 769         KF_MVWS_1,
 770         KF_MVWS_2,
 771         KF_MVWS_3,
 772         KF_MVWS_4,
 773         KF_MVWS_5,
 774         KF_MVWS_6,
 775         KF_MVWS_7,
 776         KF_MVWS_8,
 777         KF_MVWS_9,
 778         KF_MVWS_10,
 779         KF_MVWS_11,
 780         KF_MVWS_12,
 781         KF_MVWS_13,
 782         KF_MVWS_14,
 783         KF_MVWS_15,
 784         KF_MVWS_16,
 785         KF_MVWS_17,
 786         KF_MVWS_18,
 787         KF_MVWS_19,
 788         KF_MVWS_20,
 789         KF_MVWS_21,
 790         KF_MVWS_22,
 791         KF_NAME_WORKSPACE,
 792         KF_QUIT,
 793         KF_RAISE_TOGGLE,
 794         KF_RESTART,
 795         KF_RG_1,
 796         KF_RG_2,
 797         KF_RG_3,
 798         KF_RG_4,
 799         KF_RG_5,
 800         KF_RG_6,
 801         KF_RG_7,
 802         KF_RG_8,
 803         KF_RG_9,
 804         KF_RG_NEXT,
 805         KF_RG_PREV,
 806         KF_SCREEN_NEXT,
 807         KF_SCREEN_PREV,
 808         KF_SEARCH_WIN,
 809         KF_SEARCH_WORKSPACE,
 810         KF_SPAWN_CUSTOM,
 811         KF_STACK_INC,
 812         KF_STACK_DEC,
 813         KF_STACK_RESET,
 814         KF_SWAP_MAIN,
 815         KF_SWAP_NEXT,
 816         KF_SWAP_PREV,
 817         KF_UNICONIFY,
 818         KF_VERSION,
 819         KF_WIDTH_GROW,
 820         KF_WIDTH_SHRINK,
 821         KF_WIND_DEL,
 822         KF_WIND_KILL,
 823         KF_WS_1,
 824         KF_WS_2,
 825         KF_WS_3,
 826         KF_WS_4,
 827         KF_WS_5,
 828         KF_WS_6,
 829         KF_WS_7,
 830         KF_WS_8,
 831         KF_WS_9,
 832         KF_WS_10,
 833         KF_WS_11,
 834         KF_WS_12,
 835         KF_WS_13,
 836         KF_WS_14,
 837         KF_WS_15,
 838         KF_WS_16,
 839         KF_WS_17,
 840         KF_WS_18,
 841         KF_WS_19,
 842         KF_WS_20,
 843         KF_WS_21,
 844         KF_WS_22,
 845         KF_WS_NEXT,
 846         KF_WS_NEXT_ALL,
 847         KF_WS_NEXT_MOVE,
 848         KF_WS_PREV,
 849         KF_WS_PREV_ALL,
 850         KF_WS_PREV_MOVE,
 851         KF_WS_PRIOR,
 852         KF_DUMPWINS, /* MUST BE LAST */
 853         KF_INVALID
 854 };
 855
 856 struct key {
 857         RB_ENTRY(key)           entry;
 858         unsigned int            mod;
 859         KeySym                  keysym;
 860         enum keyfuncid          funcid;
 861         char                    *spawn_name;
 862 };
 863 RB_HEAD(key_tree, key);
 864
 865 /* function prototypes */
 866 void     adjust_font(struct ws_win *);
 867 void     bar_class_name(char *, size_t, struct swm_region *);
 868 void     bar_class_title_name(char *, size_t, struct swm_region *);
 869 void     bar_cleanup(struct swm_region *);
 870 void     bar_extra_setup(void);
 871 void     bar_extra_stop(void);
 872 int      bar_extra_update(void);
 873 void     bar_fmt(const char *, char *, struct swm_region *, size_t);
 874 void     bar_fmt_expand(char *, size_t);
 875 void     bar_draw(void);
 876 void     bar_print(struct swm_region *, const char *);
 877 void     bar_print_legacy(struct swm_region *, const char *);
 878 void     bar_replace(char *, char *, struct swm_region *, size_t);
 879 void     bar_replace_pad(char *, int *, size_t);
 880 char    *bar_replace_seq(char *, char *, struct swm_region *, size_t *, size_t);
 881 void     bar_setup(struct swm_region *);
 882 void     bar_title_name(char *, size_t, struct swm_region *);
 883 void     bar_toggle(struct swm_region *, union arg *);
 884 void     bar_urgent(char *, size_t);
 885 void     bar_window_float(char *, size_t, struct swm_region *);
 886 void     bar_window_name(char *, size_t, struct swm_region *);
 887 void     bar_workspace_name(char *, size_t, struct swm_region *);
 888 void     buttonpress(xcb_button_press_event_t *);
 889 void     check_conn(void);
 890 void     clear_keys(void);
 891 void     clientmessage(xcb_client_message_event_t *);
 892 void     client_msg(struct ws_win *, xcb_atom_t, xcb_timestamp_t);
 893 int      conf_load(const char *, int);
 894 void     configurenotify(xcb_configure_notify_event_t *);
 895 void     configurerequest(xcb_configure_request_event_t *);
 896 void     config_win(struct ws_win *, xcb_configure_request_event_t *);
 897 void     constrain_window(struct ws_win *, struct swm_geometry *, int *);
 898 int      count_win(struct workspace *, int);
 899 void     cursors_cleanup(void);
 900 void     cursors_load(void);
 901 void     custom_region(char *);
 902 void     cyclerg(struct swm_region *, union arg *);
 903 void     cyclews(struct swm_region *, union arg *);
 904 void     cycle_layout(struct swm_region *, union arg *);
 905 void     destroynotify(xcb_destroy_notify_event_t *);
 906 void     dumpwins(struct swm_region *, union arg *);
 907 int      enable_wm(void);
 908 void     enternotify(xcb_enter_notify_event_t *);
 909 void     event_drain(uint8_t);
 910 void     event_error(xcb_generic_error_t *);
 911 void     event_handle(xcb_generic_event_t *);
 912 void     ewmh_autoquirk(struct ws_win *);
 913 void     ewmh_get_win_state(struct ws_win *);
 914 int      ewmh_set_win_fullscreen(struct ws_win *, int);
 915 void     ewmh_update_actions(struct ws_win *);
 916 void     ewmh_update_win_state(struct ws_win *, xcb_atom_t, long);
 917 char    *expand_tilde(const char *);
 918 void     expose(xcb_expose_event_t *);
 919 void     fake_keypress(struct ws_win *, xcb_keysym_t, uint16_t);
 920 struct pid_e    *find_pid(pid_t);
 921 struct ws_win   *find_unmanaged_window(xcb_window_t);
 922 struct ws_win   *find_window(xcb_window_t);
 923 void     floating_toggle(struct swm_region *, union arg *);
 924 int      floating_toggle_win(struct ws_win *);
 925 void     focus(struct swm_region *, union arg *);
 926 #ifdef SWM_DEBUG
 927 void     focusin(xcb_focus_in_event_t *);
 928 void     focusout(xcb_focus_out_event_t *);
 929 #endif
 930 void     focus_flush(void);
 931 void     focus_region(struct swm_region *);
 932 void     focusrg(struct swm_region *, union arg *);
 933 void     focus_win(struct ws_win *);
 934 void     fontset_init(void);
 935 void     free_window(struct ws_win *);
 936 xcb_atom_t get_atom_from_string(const char *);
 937 #ifdef SWM_DEBUG
 938 char    *get_atom_name(xcb_atom_t);
 939 #endif
 940 struct ws_win   *get_focus_magic(struct ws_win *);
 941 struct ws_win   *get_focus_prev(struct ws_win *);
 942 #ifdef SWM_DEBUG
 943 char    *get_notify_detail_label(uint8_t);
 944 char    *get_notify_mode_label(uint8_t);
 945 #endif
 946 struct ws_win   *get_pointer_win(xcb_window_t);
 947 struct ws_win   *get_region_focus(struct swm_region *);
 948 int      get_region_index(struct swm_region *);
 949 xcb_screen_t    *get_screen(int);
 950 xcb_window_t     get_sibling(struct ws_win *, int);
 951 int      get_screen_count(void);
 952 #ifdef SWM_DEBUG
 953 char    *get_stack_mode_name(uint8_t);
 954 #endif
 955 int32_t  get_swm_iconic(struct ws_win *);
 956 char    *get_win_name(xcb_window_t);
 957 int      get_ws_idx(xcb_window_t);
 958 uint32_t getstate(xcb_window_t);
 959 void     grabbuttons(struct ws_win *);
 960 void     grabkeys(void);
 961 void     grab_windows(void);
 962 void     iconify(struct swm_region *, union arg *);
 963 int      isxlfd(char *);
 964 void     keypress(xcb_key_press_event_t *);
 965 int      key_cmp(struct key *, struct key *);
 966 void     key_insert(unsigned int, KeySym, enum keyfuncid, const char *);
 967 struct key      *key_lookup(unsigned int, KeySym);
 968 void     key_remove(struct key *);
 969 void     key_replace(struct key *, unsigned int, KeySym, enum keyfuncid,
 970              const char *);
 971 void     kill_bar_extra_atexit(void);
 972 void     kill_refs(struct ws_win *);
 973 #ifdef SWM_DEBUG
 974 void     leavenotify(xcb_leave_notify_event_t *);
 975 #endif
 976 void     load_float_geom(struct ws_win *);
 977 struct ws_win   *manage_window(xcb_window_t, uint16_t);
 978 void     map_window(struct ws_win *, xcb_window_t);
 979 void     mapnotify(xcb_map_notify_event_t *);
 980 void     mappingnotify(xcb_mapping_notify_event_t *);
 981 void     maprequest(xcb_map_request_event_t *);
 982 void     motionnotify(xcb_motion_notify_event_t *);
 983 void     move(struct ws_win *, union arg *);
 984 void     move_step(struct swm_region *, union arg *);
 985 uint32_t name_to_pixel(int, const char *);
 986 void     name_workspace(struct swm_region *, union arg *);
 987 void     new_region(struct swm_screen *, int, int, int, int);
 988 int      parsekeys(char *, unsigned int, unsigned int *, KeySym *);
 989 int      parsequirks(char *, unsigned long *);
 990 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 991 void     pressbutton(struct swm_region *, union arg *);
 992 void     priorws(struct swm_region *, union arg *);
 993 #ifdef SWM_DEBUG
 994 void     print_win_geom(xcb_window_t);
 995 #endif
 996 void     propertynotify(xcb_property_notify_event_t *);
 997 void     quirk_insert(const char *, const char *, unsigned long);
 998 void     quirk_remove(struct quirk *);
 999 void     quirk_replace(struct quirk *, const char *, const char *,
1000              unsigned long);
1001 void     quit(struct swm_region *, union arg *);
1002 void     raise_toggle(struct swm_region *, union arg *);
1003 void     region_containment(struct ws_win *, struct swm_region *, int);
1004 struct swm_region       *region_under(struct swm_screen *, int, int);
1005 void     regionize(struct ws_win *, int, int);
1006 void     resize(struct ws_win *, union arg *);
1007 void     resize_step(struct swm_region *, union arg *);
1008 void     restart(struct swm_region *, union arg *);
1009 struct swm_region       *root_to_region(xcb_window_t, int);
1010 void     screenchange(xcb_randr_screen_change_notify_event_t *);
1011 void     scan_xrandr(int);
1012 void     search_do_resp(void);
1013 void     search_resp_name_workspace(const char *, size_t);
1014 void     search_resp_search_window(const char *);
1015 void     search_resp_search_workspace(const char *);
1016 void     search_resp_uniconify(const char *, size_t);
1017 void     search_win(struct swm_region *, union arg *);
1018 void     search_win_cleanup(void);
1019 void     search_workspace(struct swm_region *, union arg *);
1020 void     send_to_rg(struct swm_region *, union arg *);
1021 void     send_to_ws(struct swm_region *, union arg *);
1022 void     set_region(struct swm_region *);
1023 int      setautorun(char *, char *, int);
1024 int      setconfbinding(char *, char *, int);
1025 int      setconfcolor(char *, char *, int);
1026 int      setconfmodkey(char *, char *, int);
1027 int      setconfquirk(char *, char *, int);
1028 int      setconfregion(char *, char *, int);
1029 int      setconfspawn(char *, char *, int);
1030 int      setconfvalue(char *, char *, int);
1031 void     setkeybinding(unsigned int, KeySym, enum keyfuncid, const char *);
1032 int      setkeymapping(char *, char *, int);
1033 int      setlayout(char *, char *, int);
1034 void     setquirk(const char *, const char *, unsigned long);
1035 void     setscreencolor(char *, int, int);
1036 void     setspawn(const char *, const char *, int);
1037 void     setup_ewmh(void);
1038 void     setup_globals(void);
1039 void     setup_keys(void);
1040 void     setup_quirks(void);
1041 void     setup_screens(void);
1042 void     setup_spawn(void);
1043 void     set_child_transient(struct ws_win *, xcb_window_t *);
1044 void     set_swm_iconic(struct ws_win *, int);
1045 void     set_win_state(struct ws_win *, uint16_t);
1046 void     shutdown_cleanup(void);
1047 void     sighdlr(int);
1048 void     socket_setnonblock(int);
1049 void     sort_windows(struct ws_win_list *);
1050 void     spawn(int, union arg *, int);
1051 void     spawn_custom(struct swm_region *, union arg *, const char *);
1052 int      spawn_expand(struct swm_region *, union arg *, const char *, char ***);
1053 void     spawn_insert(const char *, const char *, int);
1054 void     spawn_remove(struct spawn_prog *);
1055 void     spawn_replace(struct spawn_prog *, const char *, const char *, int);
1056 void     spawn_select(struct swm_region *, union arg *, const char *, int *);
1057 void     stack_config(struct swm_region *, union arg *);
1058 void     stack_floater(struct ws_win *, struct swm_region *);
1059 void     stack_master(struct workspace *, struct swm_geometry *, int, int);
1060 void     store_float_geom(struct ws_win *);
1061 char    *strdupsafe(const char *);
1062 void     swapwin(struct swm_region *, union arg *);
1063 void     switchws(struct swm_region *, union arg *);
1064 void     teardown_ewmh(void);
1065 void     unfocus_win(struct ws_win *);
1066 void     uniconify(struct swm_region *, union arg *);
1067 void     unmanage_window(struct ws_win *);
1068 void     unmapnotify(xcb_unmap_notify_event_t *);
1069 void     unmap_all(void);
1070 void     unmap_window(struct ws_win *);
1071 void     updatenumlockmask(void);
1072 void     update_modkey(unsigned int);
1073 void     update_window(struct ws_win *);
1074 void     validate_spawns(void);
1075 int      validate_win(struct ws_win *);
1076 int      validate_ws(struct workspace *);
1077 /*void   visibilitynotify(xcb_visibility_notify_event_t *);*/
1078 void     version(struct swm_region *, union arg *);
1079 void     win_to_ws(struct ws_win *, int, int);
1080 pid_t    window_get_pid(xcb_window_t);
1081 void     wkill(struct swm_region *, union arg *);
1082 void     workaround(void);
1083 void     xft_init(struct swm_region *);
1084 void     _add_startup_exception(const char *, va_list);
1085 void     add_startup_exception(const char *, ...);
1086
1087 RB_PROTOTYPE(key_tree, key, entry, key_cmp);
1088 RB_GENERATE(key_tree, key, entry, key_cmp);
1089 struct key_tree                 keys;
1090
1091 void
1092 cursors_load(void)
1093 {
1094         xcb_font_t      cf = XCB_NONE;
1095         int             i;
1096
1097         for (i = 0; i < LENGTH(cursors); ++i) {
1098                 /* try to load Xcursor first. */
1099                 cursors[i].cid = XcursorLibraryLoadCursor(display,
1100                     cursors[i].name);
1101
1102                 /* fallback to cursorfont. */
1103                 if (cursors[i].cid == XCB_CURSOR_NONE) {
1104                         if (cf == XCB_NONE) {
1105                                 cf = xcb_generate_id(conn);
1106                                 xcb_open_font(conn, cf, strlen("cursor"),
1107                                     "cursor");
1108                         }
1109
1110                         cursors[i].cid = xcb_generate_id(conn);
1111                         xcb_create_glyph_cursor(conn, cursors[i].cid, cf, cf,
1112                             cursors[i].cf_char, cursors[i].cf_char + 1, 0, 0, 0,
1113                             0xffff, 0xffff, 0xffff);
1114
1115                 }
1116         }
1117
1118         if (cf != XCB_NONE)
1119                 xcb_close_font(conn, cf);
1120 }
1121
1122 void
1123 cursors_cleanup(void)
1124 {
1125         int     i;
1126         for (i = 0; i < LENGTH(cursors); ++i)
1127                 xcb_free_cursor(conn, cursors[i].cid);
1128 }
1129
1130 char *
1131 expand_tilde(const char *s)
1132 {
1133         struct passwd           *ppwd;
1134         int                     i;
1135         long                    max;
1136         char                    *user;
1137         const char              *sc = s;
1138         char                    *result;
1139
1140         if (s == NULL)
1141                 errx(1, "expand_tilde: NULL string.");
1142
1143         if (s[0] != '~') {
1144                 result = strdup(sc);
1145                 goto out;
1146         }
1147
1148         ++s;
1149
1150         if ((max = sysconf(_SC_LOGIN_NAME_MAX)) == -1)
1151                 errx(1, "expand_tilde: sysconf");
1152
1153         if ((user = calloc(1, max + 1)) == NULL)
1154                 errx(1, "expand_tilde: calloc");
1155
1156         for (i = 0; s[i] != '/' && s[i] != '\0'; ++i)
1157                 user[i] = s[i];
1158         user[i] = '\0';
1159         s = &s[i];
1160
1161         ppwd = strlen(user) == 0 ? getpwuid(getuid()) : getpwnam(user);
1162         free(user);
1163
1164         if (ppwd == NULL)
1165                 result = strdup(sc);
1166         else
1167                 if (asprintf(&result, "%s%s", ppwd->pw_dir, s) == -1)
1168                         result = NULL;
1169 out:
1170         if (result == NULL)
1171                 errx(1, "expand_tilde: failed to allocate memory.");
1172
1173         return result;
1174 }
1175
1176 int
1177 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
1178 {
1179         unsigned int    tmpr, tmpg, tmpb;
1180
1181         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
1182                 return (-1);
1183
1184         *rr = RGB_8_TO_16(tmpr);
1185         *gg = RGB_8_TO_16(tmpg);
1186         *bb = RGB_8_TO_16(tmpb);
1187
1188         return (0);
1189 }
1190
1191 xcb_screen_t *
1192 get_screen(int screen)
1193 {
1194         const xcb_setup_t       *r;
1195         xcb_screen_iterator_t   iter;
1196
1197         if ((r = xcb_get_setup(conn)) == NULL) {
1198                 DNPRINTF(SWM_D_MISC, "get_screen: xcb_get_setup\n");
1199                 check_conn();
1200         }
1201
1202         iter = xcb_setup_roots_iterator(r);
1203         for (; iter.rem; --screen, xcb_screen_next(&iter))
1204                 if (screen == 0)
1205                         return (iter.data);
1206
1207         return (NULL);
1208 }
1209
1210 int
1211 get_screen_count(void)
1212 {
1213         const xcb_setup_t       *r;
1214
1215         if ((r = xcb_get_setup(conn)) == NULL) {
1216                 DNPRINTF(SWM_D_MISC, "get_screen_count: xcb_get_setup\n");
1217                 check_conn();
1218         }
1219
1220         return xcb_setup_roots_length(r);
1221 }
1222
1223 int
1224 get_region_index(struct swm_region *r)
1225 {
1226         struct swm_region       *rr;
1227         int                      ridx = 0;
1228
1229         if (r == NULL)
1230                 return -1;
1231
1232         TAILQ_FOREACH(rr, &r->s->rl, entry) {
1233                 if (rr == r)
1234                         break;
1235                 ++ridx;
1236         }
1237
1238         if (rr == NULL)
1239                 return -1;
1240
1241         return ridx;
1242 }
1243
1244 void
1245 focus_flush(void)
1246 {
1247         if (focus_mode == SWM_FOCUS_DEFAULT)
1248                 event_drain(XCB_ENTER_NOTIFY);
1249         else
1250                 xcb_flush(conn);
1251 }
1252
1253 xcb_atom_t
1254 get_atom_from_string(const char *str)
1255 {
1256         xcb_intern_atom_cookie_t        c;
1257         xcb_intern_atom_reply_t         *r;
1258         xcb_atom_t                      atom;
1259
1260         c = xcb_intern_atom(conn, 0, strlen(str), str);
1261         r = xcb_intern_atom_reply(conn, c, NULL);
1262         if (r) {
1263                 atom = r->atom;
1264                 free(r);
1265
1266                 return (atom);
1267         }
1268
1269         return (XCB_ATOM_NONE);
1270 }
1271
1272 void
1273 set_swm_iconic(struct ws_win *win, int newv)
1274 {
1275         int32_t                         v = newv;
1276
1277         win->iconic = newv;
1278
1279         if (newv)
1280                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1281                     a_swm_iconic, XCB_ATOM_INTEGER, 32, 1, &v);
1282         else
1283                 xcb_delete_property(conn, win->id, a_swm_iconic);
1284 }
1285
1286 int32_t
1287 get_swm_iconic(struct ws_win *win)
1288 {
1289         int32_t                         v = 0;
1290         xcb_get_property_reply_t        *pr = NULL;
1291
1292         pr = xcb_get_property_reply(conn,
1293             xcb_get_property(conn, 0, win->id, a_swm_iconic,
1294             XCB_ATOM_INTEGER, 0, 1), NULL);
1295         if (!pr)
1296                 goto out;
1297         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
1298                 goto out;
1299         v = *((int32_t *)xcb_get_property_value(pr));
1300 out:
1301         if (pr)
1302                 free(pr);
1303         return (v);
1304 }
1305
1306 void
1307 setup_ewmh(void)
1308 {
1309         xcb_atom_t                      sup_list;
1310         int                             i, j, num_screens;
1311
1312         sup_list = get_atom_from_string("_NET_SUPPORTED");
1313
1314         for (i = 0; i < LENGTH(ewmh); i++)
1315                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
1316
1317         num_screens = get_screen_count();
1318         for (i = 0; i < num_screens; i++) {
1319                 /* Support check window will be created by workaround(). */
1320
1321                 /* Report supported atoms */
1322                 xcb_delete_property(conn, screens[i].root, sup_list);
1323                 for (j = 0; j < LENGTH(ewmh); j++)
1324                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
1325                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
1326                             &ewmh[j].atom);
1327         }
1328 }
1329
1330 void
1331 teardown_ewmh(void)
1332 {
1333         int                             i, num_screens;
1334         xcb_atom_t                      sup_check, sup_list;
1335         xcb_window_t                    id;
1336         xcb_get_property_cookie_t       pc;
1337         xcb_get_property_reply_t        *pr;
1338
1339         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
1340         sup_list = get_atom_from_string("_NET_SUPPORTED");
1341         num_screens = get_screen_count();
1342
1343         for (i = 0; i < num_screens; i++) {
1344                 /* Get the support check window and destroy it */
1345                 pc = xcb_get_property(conn, 0, screens[i].root, sup_check,
1346                     XCB_ATOM_WINDOW, 0, 1);
1347                 pr = xcb_get_property_reply(conn, pc, NULL);
1348                 if (!pr)
1349                         continue;
1350                 if (pr->format == sup_check) {
1351                         id = *((xcb_window_t *)xcb_get_property_value(pr));
1352
1353                         xcb_destroy_window(conn, id);
1354                         xcb_delete_property(conn, screens[i].root, sup_check);
1355                         xcb_delete_property(conn, screens[i].root, sup_list);
1356                 }
1357                 free(pr);
1358         }
1359 }
1360
1361 void
1362 ewmh_autoquirk(struct ws_win *win)
1363 {
1364         uint32_t                i, n;
1365         xcb_atom_t              *type;
1366         xcb_get_property_cookie_t       c;
1367         xcb_get_property_reply_t        *r;
1368
1369         c = xcb_get_property(conn, 0, win->id,
1370             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
1371         r = xcb_get_property_reply(conn, c, NULL);
1372         if (!r)
1373                 return;
1374
1375         n = xcb_get_property_value_length(r);
1376         type = xcb_get_property_value(r);
1377
1378         for (i = 0; i < n; i++) {
1379                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
1380                         break;
1381                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
1382                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
1383                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
1384                         win->floating = 1;
1385                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
1386                         break;
1387                 }
1388                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
1389                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
1390                         win->floating = 1;
1391                         win->quirks = SWM_Q_FLOAT;
1392                         break;
1393                 }
1394         }
1395         free(r);
1396 }
1397
1398 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
1399 #define EWMH_F_FULLSCREEN               (1<<0)
1400 #define EWMH_F_ABOVE                    (1<<1)
1401 #define EWMH_F_HIDDEN                   (1<<2)
1402 #define EWMH_F_SKIP_PAGER               (1<<3)
1403 #define EWMH_F_SKIP_TASKBAR             (1<<4)
1404 #define SWM_F_MANUAL                    (1<<5)
1405
1406 int
1407 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
1408 {
1409         if (!win->ws->r)
1410                 return (0);
1411
1412         if (!win->floating)
1413                 return (0);
1414
1415         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
1416             "fullscreen %s\n", win->id, YESNO(fs));
1417
1418         if (fs) {
1419                 if (!win->g_floatvalid)
1420                         store_float_geom(win);
1421
1422                 win->g = win->ws->r->g;
1423                 win->bordered = 0;
1424         } else {
1425                 load_float_geom(win);
1426         }
1427
1428         return (1);
1429 }
1430
1431 void
1432 ewmh_update_actions(struct ws_win *win)
1433 {
1434         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
1435         int                     n = 0;
1436
1437         if (win == NULL)
1438                 return;
1439
1440         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
1441
1442         if (win->floating) {
1443                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
1444                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
1445                 actions[n++] = ewmh[_NET_WM_ACTION_ABOVE].atom;
1446         }
1447
1448         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1449             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
1450 }
1451
1452 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
1453 #define _NET_WM_STATE_ADD       1    /* add/set property */
1454 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
1455
1456 void
1457 ewmh_update_win_state(struct ws_win *win, xcb_atom_t state, long action)
1458 {
1459         unsigned int            mask = 0;
1460         unsigned int            changed = 0;
1461         unsigned int            orig_flags;
1462
1463         if (win == NULL)
1464                 return;
1465
1466         DNPRINTF(SWM_D_PROP, "ewmh_update_win_state: window: 0x%x, state: %ld, "
1467             "action: %ld\n", win->id, (unsigned long)state, action);
1468
1469         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1470                 mask = EWMH_F_FULLSCREEN;
1471         else if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
1472                 mask = EWMH_F_ABOVE;
1473         else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1474                 mask = SWM_F_MANUAL;
1475         else if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
1476                 mask = EWMH_F_SKIP_PAGER;
1477         else if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
1478                 mask = EWMH_F_SKIP_TASKBAR;
1479
1480         orig_flags = win->ewmh_flags;
1481
1482         switch (action) {
1483         case _NET_WM_STATE_REMOVE:
1484                 win->ewmh_flags &= ~mask;
1485                 break;
1486         case _NET_WM_STATE_ADD:
1487                 win->ewmh_flags |= mask;
1488                 break;
1489         case _NET_WM_STATE_TOGGLE:
1490                 win->ewmh_flags ^= mask;
1491                 break;
1492         }
1493
1494         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
1495
1496         if (state == ewmh[_NET_WM_STATE_ABOVE].atom) {
1497                 if (changed && !floating_toggle_win(win))
1498                                 win->ewmh_flags = orig_flags; /* revert */
1499         } else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom) {
1500                 if (changed)
1501                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
1502         } else if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom) {
1503                 if (changed && !ewmh_set_win_fullscreen(win,
1504                             win->ewmh_flags & EWMH_F_FULLSCREEN))
1505                                 win->ewmh_flags = orig_flags; /* revert */
1506         }
1507
1508         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
1509
1510         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
1511                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1512                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1513                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
1514         else if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1515                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1516                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1517                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1518         else if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1519                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1520                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1521                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1522         else if (win->ewmh_flags & EWMH_F_ABOVE)
1523                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1524                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1525                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1526         else if (win->ewmh_flags & SWM_F_MANUAL)
1527                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1528                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1529                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1530 }
1531
1532 void
1533 ewmh_get_win_state(struct ws_win *win)
1534 {
1535         xcb_atom_t                      *states;
1536         xcb_get_property_cookie_t       c;
1537         xcb_get_property_reply_t        *r;
1538         int                             i, n;
1539
1540         if (win == NULL)
1541                 return;
1542
1543         win->ewmh_flags = 0;
1544         if (win->floating)
1545                 win->ewmh_flags |= EWMH_F_ABOVE;
1546         if (win->manual)
1547                 win->ewmh_flags |= SWM_F_MANUAL;
1548
1549         c = xcb_get_property(conn, 0, win->id, ewmh[_NET_WM_STATE].atom,
1550             XCB_ATOM_ATOM, 0, UINT32_MAX);
1551         r = xcb_get_property_reply(conn, c, NULL);
1552         if (!r)
1553                 return;
1554
1555         states = xcb_get_property_value(r);
1556         n = xcb_get_property_value_length(r);
1557
1558         for (i = 0; i < n; i++)
1559                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1560
1561         free(r);
1562 }
1563
1564 /* events */
1565 #ifdef SWM_DEBUG
1566 void
1567 dumpwins(struct swm_region *r, union arg *args)
1568 {
1569         struct ws_win                           *win;
1570         uint32_t                                state;
1571         xcb_get_window_attributes_cookie_t      c;
1572         xcb_get_window_attributes_reply_t       *wa;
1573
1574         /* suppress unused warning since var is needed */
1575         (void)args;
1576
1577         if (r->ws == NULL) {
1578                 warnx("dumpwins: invalid workspace");
1579                 return;
1580         }
1581
1582         warnx("=== managed window list ws %02d ===", r->ws->idx);
1583         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1584                 state = getstate(win->id);
1585                 c = xcb_get_window_attributes(conn, win->id);
1586                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1587                 if (wa) {
1588                         warnx("window: 0x%x, map_state: %d, state: %u, "
1589                             "transient: 0x%x", win->id, wa->map_state,
1590                             state, win->transient);
1591                         free(wa);
1592                 } else
1593                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1594                             win->id);
1595         }
1596
1597         warnx("===== unmanaged window list =====");
1598         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1599                 state = getstate(win->id);
1600                 c = xcb_get_window_attributes(conn, win->id);
1601                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1602                 if (wa) {
1603                         warnx("window: 0x%x, map_state: %d, state: %u, "
1604                             "transient: 0x%x", win->id, wa->map_state,
1605                             state, win->transient);
1606                         free(wa);
1607                 } else
1608                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1609                             win->id);
1610         }
1611
1612         warnx("=================================");
1613 }
1614 #else
1615 void
1616 dumpwins(struct swm_region *r, union arg *s)
1617 {
1618         (void)r;
1619         (void)s;
1620 }
1621 #endif /* SWM_DEBUG */
1622
1623 void
1624 sighdlr(int sig)
1625 {
1626         int                     saved_errno, status;
1627         pid_t                   pid;
1628
1629         saved_errno = errno;
1630
1631         switch (sig) {
1632         case SIGCHLD:
1633                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1634                         if (pid == -1) {
1635                                 if (errno == EINTR)
1636                                         continue;
1637 #ifdef SWM_DEBUG
1638                                 if (errno != ECHILD)
1639                                         warn("sighdlr: waitpid");
1640 #endif /* SWM_DEBUG */
1641                                 break;
1642                         }
1643                         if (pid == searchpid)
1644                                 search_resp = 1;
1645
1646 #ifdef SWM_DEBUG
1647                         if (WIFEXITED(status)) {
1648                                 if (WEXITSTATUS(status) != 0)
1649                                         warnx("sighdlr: child exit status: %d",
1650                                             WEXITSTATUS(status));
1651                         } else
1652                                 warnx("sighdlr: child is terminated "
1653                                     "abnormally");
1654 #endif /* SWM_DEBUG */
1655                 }
1656                 break;
1657
1658         case SIGHUP:
1659                 restart_wm = 1;
1660                 break;
1661         case SIGINT:
1662         case SIGTERM:
1663         case SIGQUIT:
1664                 running = 0;
1665                 break;
1666         }
1667
1668         errno = saved_errno;
1669 }
1670
1671 struct pid_e *
1672 find_pid(pid_t pid)
1673 {
1674         struct pid_e            *p = NULL;
1675
1676         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1677
1678         if (pid == 0)
1679                 return (NULL);
1680
1681         TAILQ_FOREACH(p, &pidlist, entry) {
1682                 if (p->pid == pid)
1683                         return (p);
1684         }
1685
1686         return (NULL);
1687 }
1688
1689 uint32_t
1690 name_to_pixel(int sidx, const char *colorname)
1691 {
1692         uint32_t                        result = 0;
1693         char                            cname[32] = "#";
1694         xcb_screen_t                    *screen;
1695         xcb_colormap_t                  cmap;
1696         xcb_alloc_color_reply_t         *cr;
1697         xcb_alloc_named_color_reply_t   *nr;
1698         uint16_t                        rr, gg, bb;
1699
1700         screen = get_screen(sidx);
1701         cmap = screen->default_colormap;
1702
1703         /* color is in format rgb://rr/gg/bb */
1704         if (strncmp(colorname, "rgb:", 4) == 0) {
1705                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1706                         warnx("could not parse rgb %s", colorname);
1707                 else {
1708                         cr = xcb_alloc_color_reply(conn,
1709                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1710                             NULL);
1711                         if (cr) {
1712                                 result = cr->pixel;
1713                                 free(cr);
1714                         } else
1715                                 warnx("color '%s' not found", colorname);
1716                 }
1717         } else {
1718                 nr = xcb_alloc_named_color_reply(conn,
1719                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1720                             colorname), NULL);
1721                 if (!nr) {
1722                         strlcat(cname, colorname + 2, sizeof cname - 1);
1723                         nr = xcb_alloc_named_color_reply(conn,
1724                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1725                             cname), NULL);
1726                 }
1727                 if (nr) {
1728                         result = nr->pixel;
1729                         free(nr);
1730                 } else
1731                         warnx("color '%s' not found", colorname);
1732         }
1733
1734         return (result);
1735 }
1736
1737 void
1738 setscreencolor(char *val, int i, int c)
1739 {
1740         int     num_screens;
1741
1742         num_screens = get_screen_count();
1743         if (i > 0 && i <= num_screens) {
1744                 screens[i - 1].c[c].pixel = name_to_pixel(i - 1, val);
1745                 free(screens[i - 1].c[c].name);
1746                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1747                         err(1, "strdup");
1748         } else if (i == -1) {
1749                 for (i = 0; i < num_screens; i++) {
1750                         screens[i].c[c].pixel = name_to_pixel(0, val);
1751                         free(screens[i].c[c].name);
1752                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1753                                 err(1, "strdup");
1754                 }
1755         } else
1756                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1757                     i, num_screens);
1758 }
1759
1760 void
1761 fancy_stacker(struct workspace *ws)
1762 {
1763         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1764         if (ws->cur_layout->l_stack == vertical_stack)
1765                 snprintf(ws->stacker, sizeof ws->stacker,
1766                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1767                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1768         if (ws->cur_layout->l_stack == horizontal_stack)
1769                 snprintf(ws->stacker, sizeof ws->stacker,
1770                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1771                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1772 }
1773
1774 void
1775 plain_stacker(struct workspace *ws)
1776 {
1777         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1778         if (ws->cur_layout->l_stack == vertical_stack)
1779                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1780                     sizeof ws->stacker);
1781         if (ws->cur_layout->l_stack == horizontal_stack)
1782                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1783                     sizeof ws->stacker);
1784 }
1785
1786 void
1787 custom_region(char *val)
1788 {
1789         unsigned int                    x, y, w, h;
1790         int                             sidx, num_screens;
1791         xcb_screen_t                    *screen;
1792
1793         num_screens = get_screen_count();
1794         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1795                 errx(1, "invalid custom region, "
1796                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1797         if (sidx < 1 || sidx > num_screens)
1798                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1799                     sidx, num_screens);
1800         sidx--;
1801
1802         if ((screen = get_screen(sidx)) == NULL)
1803                 errx(1, "ERROR: can't get screen %d.", sidx);
1804
1805         if (w < 1 || h < 1)
1806                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1807
1808         if (x > screen->width_in_pixels ||
1809             y > screen->height_in_pixels ||
1810             w + x > screen->width_in_pixels ||
1811             h + y > screen->height_in_pixels) {
1812                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1813                     "boundaries (%ux%u)", w, h, x, y,
1814                     screen->width_in_pixels, screen->height_in_pixels);
1815                 return;
1816         }
1817
1818         new_region(&screens[sidx], x, y, w, h);
1819 }
1820
1821 void
1822 socket_setnonblock(int fd)
1823 {
1824         int                     flags;
1825
1826         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1827                 err(1, "fcntl F_GETFL");
1828         flags |= O_NONBLOCK;
1829         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1830                 err(1, "fcntl F_SETFL");
1831 }
1832
1833 void
1834 bar_print_legacy(struct swm_region *r, const char *s)
1835 {
1836         xcb_rectangle_t         rect;
1837         uint32_t                gcv[1];
1838         XGCValues               gcvd;
1839         int                     x = 0;
1840         size_t                  len;
1841         XRectangle              ibox, lbox;
1842         GC                      draw;
1843
1844         len = strlen(s);
1845         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1846
1847         switch (bar_justify) {
1848         case SWM_BAR_JUSTIFY_LEFT:
1849                 x = SWM_BAR_OFFSET;
1850                 break;
1851         case SWM_BAR_JUSTIFY_CENTER:
1852                 x = (WIDTH(r) - lbox.width) / 2;
1853                 break;
1854         case SWM_BAR_JUSTIFY_RIGHT:
1855                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1856                 break;
1857         }
1858
1859         if (x < SWM_BAR_OFFSET)
1860                 x = SWM_BAR_OFFSET;
1861
1862         rect.x = 0;
1863         rect.y = 0;
1864         rect.width = WIDTH(r->bar);
1865         rect.height = HEIGHT(r->bar);
1866
1867         /* clear back buffer */
1868         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1869         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1870         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1871
1872         /* draw back buffer */
1873         gcvd.graphics_exposures = 0;
1874         draw = XCreateGC(display, r->bar->buffer, GCGraphicsExposures, &gcvd);
1875         XSetForeground(display, draw, r->s->c[SWM_S_COLOR_BAR_FONT].pixel);
1876         DRAWSTRING(display, r->bar->buffer, bar_fs, draw,
1877             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1878             lbox.y, s, len);
1879         XFreeGC(display, draw);
1880
1881         /* blt */
1882         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1883             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1884 }
1885
1886 void
1887 bar_print(struct swm_region *r, const char *s)
1888 {
1889         size_t                          len;
1890         xcb_rectangle_t                 rect;
1891         uint32_t                        gcv[1];
1892         int32_t                         x = 0;
1893         XGlyphInfo                      info;
1894         XftDraw                         *draw;
1895
1896         len = strlen(s);
1897
1898         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
1899
1900         switch (bar_justify) {
1901         case SWM_BAR_JUSTIFY_LEFT:
1902                 x = SWM_BAR_OFFSET;
1903                 break;
1904         case SWM_BAR_JUSTIFY_CENTER:
1905                 x = (WIDTH(r) - info.width) / 2;
1906                 break;
1907         case SWM_BAR_JUSTIFY_RIGHT:
1908                 x = WIDTH(r) - info.width - SWM_BAR_OFFSET;
1909                 break;
1910         }
1911
1912         if (x < SWM_BAR_OFFSET)
1913                 x = SWM_BAR_OFFSET;
1914
1915         rect.x = 0;
1916         rect.y = 0;
1917         rect.width = WIDTH(r->bar);
1918         rect.height = HEIGHT(r->bar);
1919
1920         /* clear back buffer */
1921         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1922         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1923         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1924
1925         /* draw back buffer */
1926         draw = XftDrawCreate(display, r->bar->buffer,
1927             DefaultVisual(display, r->s->idx),
1928             DefaultColormap(display, r->s->idx));
1929
1930         XftDrawStringUtf8(draw, &bar_font_color, bar_font, x,
1931             (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
1932             (FcChar8 *)s, len);
1933
1934         XftDrawDestroy(draw);
1935
1936         /* blt */
1937         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1938             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1939 }
1940
1941 void
1942 bar_extra_stop(void)
1943 {
1944         if (bar_pipe[0]) {
1945                 close(bar_pipe[0]);
1946                 bzero(bar_pipe, sizeof bar_pipe);
1947         }
1948         if (bar_pid) {
1949                 kill(bar_pid, SIGTERM);
1950                 bar_pid = 0;
1951         }
1952         strlcpy(bar_ext, "", sizeof bar_ext);
1953         bar_extra = 0;
1954 }
1955
1956 void
1957 bar_class_name(char *s, size_t sz, struct swm_region *r)
1958 {
1959         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1960                 return;
1961         if (r->ws->focus->ch.class_name != NULL)
1962                 strlcat(s, r->ws->focus->ch.class_name, sz);
1963 }
1964
1965 void
1966 bar_title_name(char *s, size_t sz, struct swm_region *r)
1967 {
1968         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1969                 return;
1970         if (r->ws->focus->ch.instance_name != NULL)
1971                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1972 }
1973
1974 void
1975 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1976 {
1977         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1978                 return;
1979
1980         bar_class_name(s, sz, r);
1981         strlcat(s, ":", sz);
1982         bar_title_name(s, sz, r);
1983 }
1984
1985 void
1986 bar_window_float(char *s, size_t sz, struct swm_region *r)
1987 {
1988         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1989                 return;
1990         if (r->ws->focus->floating)
1991                 strlcat(s, "(f)", sz);
1992 }
1993
1994 void
1995 bar_window_name(char *s, size_t sz, struct swm_region *r)
1996 {
1997         char            *title;
1998
1999         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
2000                 return;
2001         if ((title = get_win_name(r->ws->focus->id)) == NULL)
2002                 return;
2003
2004         strlcat(s, title, sz);
2005         free(title);
2006 }
2007
2008 void
2009 bar_urgent(char *s, size_t sz)
2010 {
2011         struct ws_win           *win;
2012         int                     i, j, num_screens;
2013         int                     urgent[SWM_WS_MAX];
2014         char                    b[8];
2015         xcb_get_property_cookie_t       c;
2016         xcb_icccm_wm_hints_t    hints;
2017
2018         for (i = 0; i < workspace_limit; i++)
2019                 urgent[i] = 0;
2020
2021         num_screens = get_screen_count();
2022         for (i = 0; i < num_screens; i++)
2023                 for (j = 0; j < workspace_limit; j++)
2024                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
2025                                 c = xcb_icccm_get_wm_hints(conn, win->id);
2026                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
2027                                     &hints, NULL) == 0)
2028                                         continue;
2029                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
2030                                         urgent[j] = 1;
2031                         }
2032
2033         for (i = 0; i < workspace_limit; i++) {
2034                 if (urgent[i])
2035                         snprintf(b, sizeof b, "%d ", i + 1);
2036                 else
2037                         snprintf(b, sizeof b, "- ");
2038                 strlcat(s, b, sz);
2039         }
2040 }
2041
2042 void
2043 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
2044 {
2045         if (r == NULL || r->ws == NULL)
2046                 return;
2047         if (r->ws->name != NULL)
2048                 strlcat(s, r->ws->name, sz);
2049 }
2050
2051 /* build the default bar format according to the defined enabled options */
2052 void
2053 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
2054 {
2055         /* if format provided, just copy the buffers */
2056         if (bar_format != NULL) {
2057                 strlcpy(fmtnew, fmtexp, sz);
2058                 return;
2059         }
2060
2061         /* reset the output buffer */
2062         *fmtnew = '\0';
2063
2064         strlcat(fmtnew, "+N:+I ", sz);
2065         if (stack_enabled)
2066                 strlcat(fmtnew, "+S", sz);
2067         strlcat(fmtnew, " ", sz);
2068
2069         /* only show the workspace name if there's actually one */
2070         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
2071                 strlcat(fmtnew, "<+D>", sz);
2072         strlcat(fmtnew, "+3<", sz);
2073
2074         if (clock_enabled) {
2075                 strlcat(fmtnew, fmtexp, sz);
2076                 strlcat(fmtnew, "+4<", sz);
2077         }
2078
2079         /* bar_urgent already adds the space before the last asterisk */
2080         if (urgent_enabled)
2081                 strlcat(fmtnew, "* +U*+4<", sz);
2082
2083         if (title_class_enabled) {
2084                 strlcat(fmtnew, "+C", sz);
2085                 if (!title_name_enabled)
2086                         strlcat(fmtnew, "+4<", sz);
2087         }
2088
2089         /* checks needed by the colon and floating strlcat(3) calls below */
2090         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
2091                 if (title_name_enabled) {
2092                         if (title_class_enabled)
2093                                 strlcat(fmtnew, ":", sz);
2094                         strlcat(fmtnew, "+T+4<", sz);
2095                 }
2096                 if (window_name_enabled) {
2097                         if (r->ws->focus->floating)
2098                                 strlcat(fmtnew, "+F ", sz);
2099                         strlcat(fmtnew, "+64W ", sz);
2100                 }
2101         }
2102
2103         /* finally add the action script output and the version */
2104         strlcat(fmtnew, "+4<+A+4<+V", sz);
2105 }
2106
2107 void
2108 bar_replace_pad(char *tmp, int *limit, size_t sz)
2109 {
2110         /* special case; no limit given, pad one space, instead */
2111         if (*limit == (int)sz - 1)
2112                 *limit = 1;
2113         snprintf(tmp, sz, "%*s", *limit, " ");
2114 }
2115
2116 /* replaces the bar format character sequences (like in tmux(1)) */
2117 char *
2118 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
2119     size_t sz)
2120 {
2121         char                    *ptr;
2122         char                    tmp[SWM_BAR_MAX];
2123         int                     limit, size;
2124         size_t                  len;
2125
2126         /* reset strlcat(3) buffer */
2127         *tmp = '\0';
2128
2129         /* get number, if any */
2130         fmt++;
2131         size = 0;
2132         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
2133                 limit = sizeof tmp - 1;
2134         if (limit <= 0 || limit >= (int)sizeof tmp)
2135                 limit = sizeof tmp - 1;
2136
2137         /* there is nothing to replace (ie EOL) */
2138         fmt += size;
2139         if (*fmt == '\0')
2140                 return (fmt);
2141
2142         switch (*fmt) {
2143         case '<':
2144                 bar_replace_pad(tmp, &limit, sizeof tmp);
2145                 break;
2146         case 'A':
2147                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
2148                 break;
2149         case 'C':
2150                 bar_class_name(tmp, sizeof tmp, r);
2151                 break;
2152         case 'D':
2153                 bar_workspace_name(tmp, sizeof tmp, r);
2154                 break;
2155         case 'F':
2156                 bar_window_float(tmp, sizeof tmp, r);
2157                 break;
2158         case 'I':
2159                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
2160                 break;
2161         case 'N':
2162                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
2163                 break;
2164         case 'P':
2165                 bar_class_title_name(tmp, sizeof tmp, r);
2166                 break;
2167         case 'S':
2168                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
2169                 break;
2170         case 'T':
2171                 bar_title_name(tmp, sizeof tmp, r);
2172                 break;
2173         case 'U':
2174                 bar_urgent(tmp, sizeof tmp);
2175                 break;
2176         case 'V':
2177                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
2178                 break;
2179         case 'W':
2180                 bar_window_name(tmp, sizeof tmp, r);
2181                 break;
2182         default:
2183                 /* unknown character sequence; copy as-is */
2184                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
2185                 break;
2186         }
2187
2188         len = strlen(tmp);
2189         ptr = tmp;
2190         if ((int)len < limit)
2191                 limit = len;
2192         while (limit-- > 0) {
2193                 if (*offrep >= sz - 1)
2194                         break;
2195                 fmtrep[(*offrep)++] = *ptr++;
2196         }
2197
2198         fmt++;
2199         return (fmt);
2200 }
2201
2202 void
2203 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
2204 {
2205         size_t                  off;
2206
2207         off = 0;
2208         while (*fmt != '\0') {
2209                 if (*fmt != '+') {
2210                         /* skip ordinary characters */
2211                         if (off >= sz - 1)
2212                                 break;
2213                         fmtrep[off++] = *fmt++;
2214                         continue;
2215                 }
2216
2217                 /* character sequence found; replace it */
2218                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
2219                 if (off >= sz - 1)
2220                         break;
2221         }
2222
2223         fmtrep[off] = '\0';
2224 }
2225
2226 void
2227 bar_fmt_expand(char *fmtexp, size_t sz)
2228 {
2229         char                    *fmt = NULL;
2230         size_t                  len;
2231         struct tm               tm;
2232         time_t                  tmt;
2233
2234         /* start by grabbing the current time and date */
2235         time(&tmt);
2236         localtime_r(&tmt, &tm);
2237
2238         /* figure out what to expand */
2239         if (bar_format != NULL)
2240                 fmt = bar_format;
2241         else if (bar_format == NULL && clock_enabled)
2242                 fmt = clock_format;
2243         /* if nothing to expand bail out */
2244         if (fmt == NULL) {
2245                 *fmtexp = '\0';
2246                 return;
2247         }
2248
2249         /* copy as-is, just in case the format shouldn't be expanded below */
2250         strlcpy(fmtexp, fmt, sz);
2251         /* finally pass the string through strftime(3) */
2252 #ifndef SWM_DENY_CLOCK_FORMAT
2253         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
2254                 warnx("format too long");
2255         fmtexp[len] = '\0';
2256 #endif
2257 }
2258
2259 /* Redraws the bar; need to follow with xcb_flush() or focus_flush(). */
2260 void
2261 bar_draw(void)
2262 {
2263         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
2264         char                    fmtrep[SWM_BAR_MAX];
2265         int                     i, num_screens;
2266         struct swm_region       *r;
2267
2268         /* expand the format by first passing it through strftime(3) */
2269         bar_fmt_expand(fmtexp, sizeof fmtexp);
2270
2271         num_screens = get_screen_count();
2272         for (i = 0; i < num_screens; i++) {
2273                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2274                         if (r->bar == NULL)
2275                                 continue;
2276
2277                         if (bar_enabled && r->ws->bar_enabled)
2278                                 xcb_map_window(conn, r->bar->id);
2279                         else {
2280                                 xcb_unmap_window(conn, r->bar->id);
2281                                 continue;
2282                         }
2283
2284                         if (startup_exception)
2285                                 snprintf(fmtrep, sizeof fmtrep, "total "
2286                                     "exceptions: %d, first exception: %s",
2287                                     nr_exceptions,
2288                                     startup_exception);
2289                         else {
2290                                 bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
2291                                 bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
2292                         }
2293                         if (bar_font_legacy)
2294                                 bar_print_legacy(r, fmtrep);
2295                         else
2296                                 bar_print(r, fmtrep);
2297                 }
2298         }
2299 }
2300
2301 /*
2302  * Reads external script output; call when stdin is readable.
2303  * Returns 1 if bar_ext was updated; otherwise 0.
2304  */
2305 int
2306 bar_extra_update(void)
2307 {
2308         size_t          len;
2309         char            b[SWM_BAR_MAX];
2310         int             changed = 0;
2311
2312         if (!bar_extra)
2313                 return changed;
2314
2315         while (fgets(b, sizeof(b), stdin) != NULL) {
2316                 if (bar_enabled) {
2317                         len = strlen(b);
2318                         if (b[len - 1] == '\n') {
2319                                 /* Remove newline. */
2320                                 b[--len] = '\0';
2321
2322                                 /* "Clear" bar_ext. */
2323                                 bar_ext[0] = '\0';
2324
2325                                 /* Flush buffered output. */
2326                                 strlcpy(bar_ext, bar_ext_buf, sizeof(bar_ext));
2327                                 bar_ext_buf[0] = '\0';
2328
2329                                 /* Append new output to bar. */
2330                                 strlcat(bar_ext, b, sizeof(bar_ext));
2331
2332                                 changed = 1;
2333                         } else {
2334                                 /* Buffer output. */
2335                                 strlcat(bar_ext_buf, b, sizeof(bar_ext_buf));
2336                         }
2337                 }
2338         }
2339
2340         if (errno != EAGAIN) {
2341                 warn("bar_action failed");
2342                 bar_extra_stop();
2343                 changed = 1;
2344         }
2345
2346         return changed;
2347 }
2348
2349 void
2350 bar_toggle(struct swm_region *r, union arg *args)
2351 {
2352         struct swm_region       *tmpr;
2353         int                     i, num_screens;
2354
2355         /* suppress unused warnings since vars are needed */
2356         (void)r;
2357         (void)args;
2358
2359         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
2360
2361         switch (args->id) {
2362         case SWM_ARG_ID_BAR_TOGGLE_WS:
2363                 /* Only change if master switch is enabled. */
2364                 if (bar_enabled)
2365                         r->ws->bar_enabled = !r->ws->bar_enabled;
2366                 else
2367                         bar_enabled = r->ws->bar_enabled = 1;
2368                 break;
2369         case SWM_ARG_ID_BAR_TOGGLE:
2370                 bar_enabled = !bar_enabled;
2371                 break;
2372         }
2373
2374         /* update bars as necessary */
2375         num_screens = get_screen_count();
2376         for (i = 0; i < num_screens; i++)
2377                 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
2378                         if (tmpr->bar) {
2379                                 if (bar_enabled && tmpr->ws->bar_enabled)
2380                                         xcb_map_window(conn, tmpr->bar->id);
2381                                 else
2382                                         xcb_unmap_window(conn, tmpr->bar->id);
2383                         }
2384
2385         stack();
2386
2387         /* must be after stack */
2388         bar_draw();
2389
2390         focus_flush();
2391 }
2392
2393 void
2394 bar_extra_setup(void)
2395 {
2396         /* do this here because the conf file is in memory */
2397         if (!bar_extra && bar_argv[0]) {
2398                 /* launch external status app */
2399                 bar_extra = 1;
2400                 if (pipe(bar_pipe) == -1)
2401                         err(1, "pipe error");
2402                 socket_setnonblock(bar_pipe[0]);
2403                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
2404
2405                 /* Set stdin to read from the pipe. */
2406                 if (dup2(bar_pipe[0], STDIN_FILENO) == -1)
2407                         err(1, "dup2");
2408
2409                 /* Set stdout to write to the pipe. */
2410                 if (dup2(bar_pipe[1], STDOUT_FILENO) == -1)
2411                         err(1, "dup2");
2412
2413                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
2414                         err(1, "could not disable SIGPIPE");
2415                 switch (bar_pid = fork()) {
2416                 case -1:
2417                         err(1, "cannot fork");
2418                         break;
2419                 case 0: /* child */
2420                         close(bar_pipe[0]);
2421                         execvp(bar_argv[0], bar_argv);
2422                         err(1, "%s external app failed", bar_argv[0]);
2423                         break;
2424                 default: /* parent */
2425                         close(bar_pipe[1]);
2426                         break;
2427                 }
2428
2429                 atexit(kill_bar_extra_atexit);
2430         }
2431 }
2432
2433 void
2434 kill_bar_extra_atexit(void)
2435 {
2436         if (bar_pid)
2437                 kill(bar_pid, SIGTERM);
2438 }
2439
2440 int
2441 isxlfd(char *s)
2442 {
2443         int      count = 0;
2444
2445         while ((s = index(s, '-'))) {
2446                 ++count;
2447                 ++s;
2448         }
2449
2450         return (count == 14);
2451 }
2452
2453 void
2454 fontset_init(void)
2455 {
2456         char                    *default_string;
2457         char                    **missing_charsets;
2458         int                     num_missing_charsets = 0;
2459         int                     i;
2460
2461         if (bar_fs) {
2462                 XFreeFontSet(display, bar_fs);
2463                 bar_fs = NULL;
2464         }
2465
2466         DNPRINTF(SWM_D_INIT, "fontset_init: loading bar_fonts: %s\n", bar_fonts);
2467
2468         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
2469             &num_missing_charsets, &default_string);
2470
2471         if (num_missing_charsets > 0) {
2472                 warnx("Unable to load charset(s):");
2473
2474                 for (i = 0; i < num_missing_charsets; ++i)
2475                         warnx("%s", missing_charsets[i]);
2476
2477                 XFreeStringList(missing_charsets);
2478
2479                 if (strcmp(default_string, ""))
2480                         warnx("Glyphs from those sets will be replaced "
2481                             "by '%s'.", default_string);
2482                 else
2483                         warnx("Glyphs from those sets won't be drawn.");
2484         }
2485
2486         if (bar_fs == NULL)
2487                 errx(1, "Error creating font set structure.");
2488
2489         bar_fs_extents = XExtentsOfFontSet(bar_fs);
2490
2491         bar_height = bar_fs_extents->max_logical_extent.height +
2492             2 * bar_border_width;
2493
2494         if (bar_height < 1)
2495                 bar_height = 1;
2496 }
2497
2498 void
2499 xft_init(struct swm_region *r)
2500 {
2501         char                    *font, *d, *search;
2502         XRenderColor            color;
2503
2504         if (bar_font == NULL) {
2505                 if ((d = strdup(bar_fonts)) == NULL)
2506                         errx(1, "insufficient memory.");
2507                 search = d;
2508                 while ((font = strsep(&search, ",")) != NULL) {
2509                         if (*font == '\0')
2510                                 continue;
2511
2512                         DNPRINTF(SWM_D_INIT, "xft_init: try font %s\n", font);
2513
2514                         if (isxlfd(font)) {
2515                                 bar_font = XftFontOpenXlfd(display, r->s->idx,
2516                                                 font);
2517                         } else {
2518                                 bar_font = XftFontOpenName(display, r->s->idx,
2519                                                 font);
2520                         }
2521
2522                         if (!bar_font) {
2523                                 warnx("unable to load font %s", font);
2524                                 continue;
2525                         } else {
2526                                 DNPRINTF(SWM_D_INIT, "successfully opened "
2527                                     "font %s\n", font);
2528                                 break;
2529                         }
2530                 }
2531                 free(d);
2532         }
2533
2534         if (bar_font == NULL)
2535                 errx(1, "unable to open a font");
2536
2537         PIXEL_TO_XRENDERCOLOR(r->s->c[SWM_S_COLOR_BAR_FONT].pixel, color);
2538
2539         if (!XftColorAllocValue(display, DefaultVisual(display, r->s->idx),
2540             DefaultColormap(display, r->s->idx), &color, &bar_font_color))
2541                 warn("Xft error: unable to allocate color.");
2542
2543         bar_height = bar_font->height + 2 * bar_border_width;
2544
2545         if (bar_height < 1)
2546                 bar_height = 1;
2547 }
2548
2549 void
2550 bar_setup(struct swm_region *r)
2551 {
2552         xcb_screen_t    *screen;
2553         uint32_t         wa[3];
2554
2555         DNPRINTF(SWM_D_BAR, "bar_setup: screen %d.\n",
2556             r->s->idx);
2557
2558         if ((screen = get_screen(r->s->idx)) == NULL)
2559                 errx(1, "ERROR: can't get screen %d.", r->s->idx);
2560
2561         if (r->bar != NULL)
2562                 return;
2563
2564         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
2565                 err(1, "bar_setup: calloc: failed to allocate memory.");
2566
2567         if (bar_font_legacy)
2568                 fontset_init();
2569         else
2570                 xft_init(r);
2571
2572         X(r->bar) = X(r);
2573         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
2574         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
2575         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
2576
2577         /* Assume region is unfocused when we create the bar. */
2578         r->bar->id = xcb_generate_id(conn);
2579         wa[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
2580         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER_UNFOCUS].pixel;
2581         wa[2] = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_POINTER_MOTION |
2582             XCB_EVENT_MASK_POINTER_MOTION_HINT;
2583
2584         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
2585             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
2586             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
2587             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
2588             | XCB_CW_EVENT_MASK, wa);
2589
2590         r->bar->buffer = xcb_generate_id(conn);
2591         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
2592             WIDTH(r->bar), HEIGHT(r->bar));
2593
2594         if (xrandr_support)
2595                 xcb_randr_select_input(conn, r->bar->id,
2596                     XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
2597
2598         if (bar_enabled)
2599                 xcb_map_window(conn, r->bar->id);
2600
2601         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
2602             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
2603             HEIGHT(r->bar));
2604
2605         bar_extra_setup();
2606 }
2607
2608 void
2609 bar_cleanup(struct swm_region *r)
2610 {
2611         if (r->bar == NULL)
2612                 return;
2613         xcb_destroy_window(conn, r->bar->id);
2614         xcb_free_pixmap(conn, r->bar->buffer);
2615         free(r->bar);
2616         r->bar = NULL;
2617 }
2618
2619 void
2620 set_win_state(struct ws_win *win, uint16_t state)
2621 {
2622         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2623
2624         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x, state: %u\n",
2625             win->id, state);
2626
2627         if (win == NULL)
2628                 return;
2629
2630         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
2631             a_state, 32, 2, data);
2632 }
2633
2634 uint32_t
2635 getstate(xcb_window_t w)
2636 {
2637         uint32_t                        result = 0;
2638         xcb_get_property_cookie_t       c;
2639         xcb_get_property_reply_t        *r;
2640
2641         c = xcb_get_property(conn, 0, w, a_state, a_state, 0L, 2L);
2642         r = xcb_get_property_reply(conn, c, NULL);
2643
2644         if (r) {
2645                 if (r->type == a_state && r->format == 32 && r->length == 2)
2646                         result = *((uint32_t *)xcb_get_property_value(r));
2647                 free(r);
2648         }
2649
2650         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
2651             result);
2652         return (result);
2653 }
2654
2655 void
2656 version(struct swm_region *r, union arg *args)
2657 {
2658         /* suppress unused warnings since vars are needed */
2659         (void)r;
2660         (void)args;
2661
2662         bar_version = !bar_version;
2663         if (bar_version)
2664                 snprintf(bar_vertext, sizeof bar_vertext,
2665                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2666         else
2667                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2668
2669         bar_draw();
2670         xcb_flush(conn);
2671 }
2672
2673 void
2674 client_msg(struct ws_win *win, xcb_atom_t a, xcb_timestamp_t t)
2675 {
2676         xcb_client_message_event_t      ev;
2677 #ifdef SWM_DEBUG
2678         char                            *name;
2679 #endif
2680
2681         if (win == NULL)
2682                 return;
2683 #ifdef SWM_DEBUG
2684         name = get_atom_name(a);
2685         DNPRINTF(SWM_D_EVENT, "client_msg: window: 0x%x, atom: %s(%u), "
2686             "time: %#x\n",
2687             win->id, name, a, t);
2688         free(name);
2689 #endif
2690
2691         bzero(&ev, sizeof ev);
2692         ev.response_type = XCB_CLIENT_MESSAGE;
2693         ev.window = win->id;
2694         ev.type = a_prot;
2695         ev.format = 32;
2696         ev.data.data32[0] = a;
2697         ev.data.data32[1] = t;
2698
2699         xcb_send_event(conn, 0, win->id,
2700             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2701 }
2702
2703 /* synthetic response to a ConfigureRequest when not making a change */
2704 void
2705 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2706 {
2707         xcb_configure_notify_event_t ce;
2708
2709         if (win == NULL)
2710                 return;
2711
2712         /* send notification of unchanged state. */
2713         bzero(&ce, sizeof(ce));
2714         ce.response_type = XCB_CONFIGURE_NOTIFY;
2715         ce.x = X(win);
2716         ce.y = Y(win);
2717         ce.width = WIDTH(win);
2718         ce.height = HEIGHT(win);
2719         ce.override_redirect = 0;
2720
2721         if (ev == NULL) {
2722                 /* EWMH */
2723                 ce.event = win->id;
2724                 ce.window = win->id;
2725                 ce.border_width = BORDER(win);
2726                 ce.above_sibling = XCB_WINDOW_NONE;
2727         } else {
2728                 /* normal */
2729                 ce.event = ev->window;
2730                 ce.window = ev->window;
2731
2732                 /* make response appear more WM_SIZE_HINTS-compliant */
2733                 if (win->sh.flags) {
2734                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2735                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2736                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2737                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2738                             SH_INC_W(win), SH_INC_H(win));
2739                 }
2740
2741                 /* min size */
2742                 if (SH_MIN(win)) {
2743                         /* the hint may be set... to 0! */
2744                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2745                                 ce.width = SH_MIN_W(win);
2746                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2747                                 ce.height = SH_MIN_H(win);
2748                 }
2749
2750                 /* max size */
2751                 if (SH_MAX(win)) {
2752                         /* may also be advertized as 0 */
2753                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2754                                 ce.width = SH_MAX_W(win);
2755                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2756                                 ce.height = SH_MAX_H(win);
2757                 }
2758
2759                 /* resize increment. */
2760                 if (SH_INC(win)) {
2761                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2762                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2763                                     SH_INC_W(win);
2764                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2765                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2766                                     SH_INC_H(win);
2767                 }
2768
2769                 /* adjust x and y for requested border_width. */
2770                 ce.x += BORDER(win) - ev->border_width;
2771                 ce.y += BORDER(win) - ev->border_width;
2772                 ce.border_width = ev->border_width;
2773                 ce.above_sibling = ev->sibling;
2774         }
2775
2776         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2777             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2778             ce.y, ce.width, ce.height, ce.border_width);
2779
2780         xcb_send_event(conn, 0, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2781             (char *)&ce);
2782 }
2783
2784 int
2785 count_win(struct workspace *ws, int count_transient)
2786 {
2787         struct ws_win           *win;
2788         int                     count = 0;
2789
2790         TAILQ_FOREACH(win, &ws->winlist, entry) {
2791                 if (!count_transient && win->floating)
2792                         continue;
2793                 if (!count_transient && win->transient)
2794                         continue;
2795                 if (win->iconic)
2796                         continue;
2797                 count++;
2798         }
2799         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2800
2801         return (count);
2802 }
2803
2804 void
2805 quit(struct swm_region *r, union arg *args)
2806 {
2807         /* suppress unused warnings since vars are needed */
2808         (void)r;
2809         (void)args;
2810
2811         DNPRINTF(SWM_D_MISC, "quit\n");
2812         running = 0;
2813 }
2814
2815 void
2816 map_window(struct ws_win *win, xcb_window_t sibling)
2817 {
2818         uint16_t                mode = XCB_CONFIG_WINDOW_STACK_MODE;
2819         uint32_t                val[2];
2820         int                     i = 0;
2821
2822         /* If sibling is specified, stack right above it. */
2823         if (sibling != XCB_WINDOW_NONE) {
2824                 mode |= XCB_CONFIG_WINDOW_SIBLING;
2825                 val[i++] = sibling;
2826         }
2827
2828         val[i] = XCB_STACK_MODE_ABOVE;
2829
2830         if (win == NULL)
2831                 return;
2832
2833         DNPRINTF(SWM_D_EVENT, "map_window: win 0x%x, mapped: %s, "
2834             "sibling: 0x%x\n", win->id, YESNO(win->mapped), sibling);
2835
2836         xcb_configure_window(conn, win->id, mode, val);
2837
2838         if (win->mapped)
2839                 return;
2840
2841         xcb_map_window(conn, win->id);
2842         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
2843         win->mapped = 1;
2844 }
2845
2846 void
2847 unmap_window(struct ws_win *win)
2848 {
2849         if (win == NULL)
2850                 return;
2851
2852         DNPRINTF(SWM_D_EVENT, "unmap_window: win 0x%x, mapped: %s\n", win->id,
2853             YESNO(win->mapped));
2854
2855         if (!win->mapped)
2856                 return;
2857
2858         xcb_unmap_window(conn, win->id);
2859         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2860         win->mapped = 0;
2861 }
2862
2863 void
2864 unmap_all(void)
2865 {
2866         struct ws_win           *win;
2867         int                     i, j, num_screens;
2868
2869         num_screens = get_screen_count();
2870         for (i = 0; i < num_screens; i++)
2871                 for (j = 0; j < workspace_limit; j++)
2872                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2873                                 unmap_window(win);
2874 }
2875
2876 void
2877 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2878 {
2879         xcb_key_press_event_t   event;
2880         xcb_keycode_t           *keycode;
2881
2882         if (win == NULL)
2883                 return;
2884
2885         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2886
2887         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2888             win->id, *keycode);
2889
2890         bzero(&event, sizeof(event));
2891         event.event = win->id;
2892         event.root = win->s->root;
2893         event.child = XCB_WINDOW_NONE;
2894         event.time = XCB_CURRENT_TIME;
2895         event.event_x = X(win);
2896         event.event_y = Y(win);
2897         event.root_x = 1;
2898         event.root_y = 1;
2899         event.same_screen = 1;
2900         event.detail = *keycode;
2901         event.state = modifiers;
2902
2903         event.response_type = XCB_KEY_PRESS;
2904         xcb_send_event(conn, 1, win->id,
2905             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2906
2907         event.response_type = XCB_KEY_RELEASE;
2908         xcb_send_event(conn, 1, win->id,
2909             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2910
2911         free(keycode);
2912 }
2913
2914 void
2915 restart(struct swm_region *r, union arg *args)
2916 {
2917         /* suppress unused warning since var is needed */
2918         (void)r;
2919         (void)args;
2920
2921         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2922
2923         shutdown_cleanup();
2924
2925         execvp(start_argv[0], start_argv);
2926         warn("execvp failed");
2927         quit(NULL, NULL);
2928 }
2929
2930 struct ws_win *
2931 get_pointer_win(xcb_window_t root)
2932 {
2933         struct ws_win                   *win = NULL;
2934         xcb_query_pointer_reply_t       *r;
2935
2936         DNPRINTF(SWM_D_EVENT, "get_pointer_win: root: 0x%x.\n", root);
2937
2938         r = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, root), NULL);
2939         if (r) {
2940                 win = find_window(r->child);
2941                 if (win) {
2942                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: 0x%x.\n",
2943                             win->id);
2944                 } else {
2945                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: none.\n");
2946                 }
2947                 free(r);
2948         }
2949
2950         return win;
2951 }
2952
2953 struct swm_region *
2954 root_to_region(xcb_window_t root, int check)
2955 {
2956         struct ws_win                   *cfw;
2957         struct swm_region               *r = NULL;
2958         int                             i, num_screens;
2959         xcb_query_pointer_reply_t       *qpr;
2960         xcb_get_input_focus_reply_t     *gifr;
2961
2962         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2963
2964         num_screens = get_screen_count();
2965         for (i = 0; i < num_screens; i++)
2966                 if (screens[i].root == root)
2967                         break;
2968
2969         if (check & SWM_CK_REGION)
2970                 r = screens[i].r_focus;
2971
2972         if (r == NULL && check & SWM_CK_FOCUS) {
2973                 /* Try to find an actively focused window */
2974                 gifr = xcb_get_input_focus_reply(conn,
2975                     xcb_get_input_focus(conn), NULL);
2976                 if (gifr) {
2977                         cfw = find_window(gifr->focus);
2978                         if (cfw && cfw->ws->r)
2979                                 r = cfw->ws->r;
2980
2981                         free(gifr);
2982                 }
2983         }
2984
2985         if (r == NULL && check & SWM_CK_POINTER) {
2986                 /* No region with an active focus; try to use pointer. */
2987                 qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2988                     screens[i].root), NULL);
2989
2990                 if (qpr) {
2991                         DNPRINTF(SWM_D_MISC, "root_to_region: pointer: "
2992                             "(%d,%d)\n", qpr->root_x, qpr->root_y);
2993                         TAILQ_FOREACH(r, &screens[i].rl, entry)
2994                                 if (X(r) <= qpr->root_x &&
2995                                     qpr->root_x < MAX_X(r) &&
2996                                     Y(r) <= qpr->root_y &&
2997                                     qpr->root_y < MAX_Y(r))
2998                                         break;
2999                         free(qpr);
3000                 }
3001         }
3002
3003         /* Last resort. */
3004         if (r == NULL && check & SWM_CK_FALLBACK)
3005                 r = TAILQ_FIRST(&screens[i].rl);
3006
3007         DNPRINTF(SWM_D_MISC, "root_to_region: idx: %d\n", get_region_index(r));
3008
3009         return (r);
3010 }
3011
3012 struct ws_win *
3013 find_unmanaged_window(xcb_window_t id)
3014 {
3015         struct ws_win           *win;
3016         int                     i, j, num_screens;
3017
3018         num_screens = get_screen_count();
3019         for (i = 0; i < num_screens; i++)
3020                 for (j = 0; j < workspace_limit; j++)
3021                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
3022                             entry)
3023                                 if (id == win->id)
3024                                         return (win);
3025         return (NULL);
3026 }
3027
3028 struct ws_win *
3029 find_window(xcb_window_t id)
3030 {
3031         struct ws_win           *win;
3032         int                     i, j, num_screens;
3033         xcb_query_tree_reply_t  *r;
3034
3035         num_screens = get_screen_count();
3036         for (i = 0; i < num_screens; i++)
3037                 for (j = 0; j < workspace_limit; j++)
3038                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
3039                                 if (id == win->id)
3040                                         return (win);
3041
3042         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
3043         if (!r)
3044                 return (NULL);
3045
3046         /* if we were looking for the parent return that window instead */
3047         if (r->parent == 0 || r->root == r->parent) {
3048                 free(r);
3049                 return (NULL);
3050         }
3051
3052         /* look for parent */
3053         for (i = 0; i < num_screens; i++)
3054                 for (j = 0; j < workspace_limit; j++)
3055                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
3056                                 if (r->parent == win->id) {
3057                                         free(r);
3058                                         return (win);
3059                                 }
3060
3061         free(r);
3062         return (NULL);
3063 }
3064
3065 void
3066 spawn(int ws_idx, union arg *args, int close_fd)
3067 {
3068         int                     fd;
3069         char                    *ret = NULL;
3070
3071         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
3072
3073         close(xcb_get_file_descriptor(conn));
3074
3075         setenv("LD_PRELOAD", SWM_LIB, 1);
3076
3077         if (asprintf(&ret, "%d", ws_idx) == -1) {
3078                 warn("spawn: asprintf SWM_WS");
3079                 _exit(1);
3080         }
3081         setenv("_SWM_WS", ret, 1);
3082         free(ret);
3083         ret = NULL;
3084
3085         if (asprintf(&ret, "%d", getpid()) == -1) {
3086                 warn("spawn: asprintf _SWM_PID");
3087                 _exit(1);
3088         }
3089         setenv("_SWM_PID", ret, 1);
3090         free(ret);
3091         ret = NULL;
3092
3093         if (setsid() == -1) {
3094                 warn("spawn: setsid");
3095                 _exit(1);
3096         }
3097
3098         if (close_fd) {
3099                 /*
3100                  * close stdin and stdout to prevent interaction between apps
3101                  * and the baraction script
3102                  * leave stderr open to record errors
3103                 */
3104                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
3105                         warn("spawn: open");
3106                         _exit(1);
3107                 }
3108                 dup2(fd, STDIN_FILENO);
3109                 dup2(fd, STDOUT_FILENO);
3110                 if (fd > 2)
3111                         close(fd);
3112         }
3113
3114         execvp(args->argv[0], args->argv);
3115
3116         warn("spawn: execvp");
3117         _exit(1);
3118 }
3119
3120 void
3121 kill_refs(struct ws_win *win)
3122 {
3123         int                     i, x, num_screens;
3124         struct swm_region       *r;
3125         struct workspace        *ws;
3126
3127         if (win == NULL)
3128                 return;
3129
3130         num_screens = get_screen_count();
3131         for (i = 0; i < num_screens; i++)
3132                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3133                         for (x = 0; x < workspace_limit; x++) {
3134                                 ws = &r->s->ws[x];
3135                                 if (win == ws->focus)
3136                                         ws->focus = NULL;
3137                                 if (win == ws->focus_prev)
3138                                         ws->focus_prev = NULL;
3139                         }
3140 }
3141
3142 int
3143 validate_win(struct ws_win *testwin)
3144 {
3145         struct ws_win           *win;
3146         struct workspace        *ws;
3147         struct swm_region       *r;
3148         int                     i, x, num_screens;
3149
3150         if (testwin == NULL)
3151                 return (0);
3152
3153         num_screens = get_screen_count();
3154         for (i = 0; i < num_screens; i++)
3155                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3156                         for (x = 0; x < workspace_limit; x++) {
3157                                 ws = &r->s->ws[x];
3158                                 TAILQ_FOREACH(win, &ws->winlist, entry)
3159                                         if (win == testwin)
3160                                                 return (0);
3161                         }
3162         return (1);
3163 }
3164
3165 int
3166 validate_ws(struct workspace *testws)
3167 {
3168         struct swm_region       *r;
3169         struct workspace        *ws;
3170         int                     i, x, num_screens;
3171
3172         /* validate all ws */
3173         num_screens = get_screen_count();
3174         for (i = 0; i < num_screens; i++)
3175                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3176                         for (x = 0; x < workspace_limit; x++) {
3177                                 ws = &r->s->ws[x];
3178                                 if (ws == testws)
3179                                         return (0);
3180                         }
3181         return (1);
3182 }
3183
3184 xcb_window_t
3185 get_sibling(struct ws_win *win, int mode)
3186 {
3187         struct ws_win           *w = win;
3188
3189         switch (mode) {
3190         case SWM_STACK_TOP:
3191                 TAILQ_FOREACH_REVERSE(w, &w->ws->winlist, ws_win_list, entry)
3192                         if (w != win && !w->floating && !w->iconic)
3193                                 break;
3194                 break;
3195         case SWM_STACK_ABOVE:
3196                 do {
3197                         w = TAILQ_NEXT(w, entry);
3198                 } while (w != NULL && (w == win || w->floating || w->iconic));
3199                 break;
3200         case SWM_STACK_BELOW:
3201                 do {
3202                         w = TAILQ_PREV(w, ws_win_list, entry);
3203                 } while (w != NULL && (w == win || w->floating || w->iconic));
3204                 break;
3205         case SWM_STACK_BOTTOM:
3206                 TAILQ_FOREACH(w, &w->ws->winlist, entry)
3207                         if (w != win && !w->floating && !w->iconic)
3208                                 break;
3209                 break;
3210         default:
3211                 w = NULL;
3212         }
3213
3214         if (w == NULL)
3215                 return (win->ws->r->id);
3216         else
3217                 return (w->id);
3218 }
3219
3220 void
3221 unfocus_win(struct ws_win *win)
3222 {
3223         xcb_window_t            none = XCB_WINDOW_NONE;
3224
3225         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
3226
3227         if (win == NULL)
3228                 return;
3229         if (win->ws == NULL) {
3230                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL ws.\n");
3231                 return;
3232         }
3233
3234         if (validate_ws(win->ws)) {
3235                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid ws.\n");
3236                 return;
3237         }
3238
3239         if (win->ws->r == NULL) {
3240                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL region.\n");
3241                 return;
3242         }
3243
3244         if (validate_win(win)) {
3245                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid win.\n");
3246                 kill_refs(win);
3247                 return;
3248         }
3249
3250         if (win->ws->focus == win) {
3251                 if (tile_gap < 0 && !win->floating)
3252                         map_window(win, get_sibling(win, SWM_STACK_BELOW));
3253                 win->ws->focus = NULL;
3254                 win->ws->focus_prev = win;
3255         }
3256
3257         if (validate_win(win->ws->focus)) {
3258                 kill_refs(win->ws->focus);
3259                 win->ws->focus = NULL;
3260         }
3261
3262         if (validate_win(win->ws->focus_prev)) {
3263                 kill_refs(win->ws->focus_prev);
3264                 win->ws->focus_prev = NULL;
3265         }
3266
3267         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3268             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
3269
3270         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3271             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
3272
3273         DNPRINTF(SWM_D_FOCUS, "unfocus_win: done.\n");
3274 }
3275
3276 void
3277 focus_win(struct ws_win *win)
3278 {
3279         struct ws_win                   *cfw = NULL, *parent = NULL, *w;
3280         struct workspace                *ws;
3281         xcb_get_input_focus_reply_t     *r;
3282
3283         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
3284
3285         if (win == NULL)
3286                 goto out;
3287
3288         if (win->ws == NULL)
3289                 goto out;
3290
3291         if (!win->mapped)
3292                 goto out;
3293
3294         ws = win->ws;
3295
3296         if (validate_ws(ws))
3297                 goto out;
3298
3299         if (validate_win(win)) {
3300                 kill_refs(win);
3301                 goto out;
3302         }
3303
3304         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
3305         if (r) {
3306                 cfw = find_window(r->focus);
3307                 if (cfw != win)
3308                         unfocus_win(cfw);
3309                 free(r);
3310         }
3311
3312         if (ws->focus != win) {
3313                 if (ws->focus && ws->focus != cfw)
3314                         unfocus_win(ws->focus);
3315                 ws->focus = win;
3316         }
3317
3318         /* If this window directs focus to a child window, then clear. */
3319         if (win->focus_child)
3320                 win->focus_child = NULL;
3321
3322         /* If transient, adjust parent's focus child for focus_magic. */
3323         if (win->transient) {
3324                 parent = find_window(win->transient);
3325                 if (parent && parent->focus_child != win)
3326                         parent->focus_child = win;
3327         }
3328
3329         if (cfw != win && ws->r != NULL) {
3330                 /* Set input focus if no input hint, or indicated by hint. */
3331                 if (!(win->hints.flags & XCB_ICCCM_WM_HINT_INPUT) ||
3332                     (win->hints.flags & XCB_ICCCM_WM_HINT_INPUT &&
3333                      win->hints.input))
3334                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3335                                         win->id, last_event_time);
3336
3337                 /* Tell app it can adjust focus to a specific window. */
3338                 if (win->take_focus) {
3339                         /* java is special; always tell parent */
3340                         if (win->transient && win->java)
3341                                 client_msg(parent, a_takefocus,
3342                                     last_event_time);
3343                         else
3344                                 client_msg(win, a_takefocus, last_event_time);
3345                 }
3346
3347                 xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3348                     &ws->r->s->c[SWM_S_COLOR_FOCUS].pixel);
3349
3350                 if (ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
3351                     ws->always_raise) {
3352                         /* If a parent exists, map it first. */
3353                         if (parent) {
3354                                 map_window(parent, XCB_WINDOW_NONE);
3355
3356                                 /* Map siblings next. */
3357                                 TAILQ_FOREACH(w, &ws->winlist, entry)
3358                                         if (w != win && !w->iconic &&
3359                                             w->transient == parent->id)
3360                                                 map_window(w, XCB_WINDOW_NONE);
3361                         }
3362
3363                         /* Map focused window. */
3364                         map_window(win, XCB_WINDOW_NONE);
3365
3366                         /* Finally, map children of focus window. */
3367                         TAILQ_FOREACH(w, &ws->winlist, entry)
3368                                 if (w->transient == win->id && !w->iconic)
3369                                         map_window(w, XCB_WINDOW_NONE);
3370                 } else if (tile_gap < 0 && !win->floating) {
3371                         /*
3372                          * Windows overlap in the layout.
3373                          * Raise focused win above all tiled wins.
3374                          */
3375                         if (tile_gap < 0 && !win->floating)
3376                                 map_window(win,
3377                                     get_sibling(win, SWM_STACK_TOP));
3378                 }
3379
3380                 set_region(ws->r);
3381
3382                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3383                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
3384                     &win->id);
3385         }
3386
3387 out:
3388         bar_draw();
3389
3390         DNPRINTF(SWM_D_FOCUS, "focus_win: done.\n");
3391 }
3392
3393 /* If a child window should have focus instead, return it. */
3394 struct ws_win *
3395 get_focus_magic(struct ws_win *win)
3396 {
3397         struct ws_win   *parent = NULL;
3398         struct ws_win   *child = NULL;
3399
3400         DNPRINTF(SWM_D_FOCUS, "get_focus_magic: window: 0x%x\n", WINID(win));
3401         if (win == NULL)
3402                 return win;
3403
3404         if (win->transient) {
3405                 parent = find_window(win->transient);
3406
3407                 /* If parent prefers focus elsewhere, then try to do so. */
3408                 if (parent && (child = parent->focus_child)) {
3409                         if (validate_win(child) == 0 && child->mapped)
3410                                 win = child;
3411                         else
3412                                 parent->focus_child = NULL;
3413                 }
3414         }
3415
3416         /* If this window prefers focus elsewhere, then try to do so. */
3417         if ((child = win->focus_child)) {
3418                 if (validate_win(child) == 0 && child->mapped)
3419                         win = child;
3420                 else
3421                         win->focus_child = NULL;
3422         }
3423
3424         return win;
3425 }
3426
3427 void
3428 event_drain(uint8_t rt)
3429 {
3430         xcb_generic_event_t     *evt;
3431
3432         /* ensure all pending requests have been processed before filtering. */
3433         xcb_aux_sync(conn);
3434         while ((evt = xcb_poll_for_event(conn))) {
3435                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
3436                         event_handle(evt);
3437
3438                 free(evt);
3439         }
3440 }
3441
3442 void
3443 set_region(struct swm_region *r)
3444 {
3445         struct swm_region       *rf;
3446
3447         if (r == NULL)
3448                 return;
3449
3450         rf = r->s->r_focus;
3451         /* Unfocus old region bar. */
3452         if (rf) {
3453                 if (rf == r)
3454                         return;
3455
3456                 xcb_change_window_attributes(conn, rf->bar->id,
3457                     XCB_CW_BORDER_PIXEL,
3458                     &r->s->c[SWM_S_COLOR_BAR_BORDER_UNFOCUS].pixel);
3459         }
3460
3461         /* Set region bar border to focus_color. */
3462         xcb_change_window_attributes(conn, r->bar->id,
3463             XCB_CW_BORDER_PIXEL, &r->s->c[SWM_S_COLOR_BAR_BORDER].pixel);
3464
3465         r->s->r_focus = r;
3466 }
3467
3468 void
3469 focus_region(struct swm_region *r)
3470 {
3471         struct ws_win           *nfw;
3472         struct swm_region       *old_r;
3473
3474         if (r == NULL)
3475                 return;
3476
3477         old_r = r->s->r_focus;
3478         set_region(r);
3479
3480         nfw = get_region_focus(r);
3481         if (nfw) {
3482                 focus_win(nfw);
3483         } else {
3484                 /* New region is empty; need to manually unfocus win. */
3485                 if (old_r)
3486                         unfocus_win(old_r->ws->focus);
3487
3488                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT, r->id,
3489                     XCB_CURRENT_TIME);
3490
3491                 /* Clear bar since empty. */
3492                 bar_draw();
3493         }
3494 }
3495
3496 void
3497 switchws(struct swm_region *r, union arg *args)
3498 {
3499         int                     wsid = args->id, unmap_old = 0;
3500         struct swm_region       *this_r, *other_r;
3501         struct ws_win           *win;
3502         struct workspace        *new_ws, *old_ws;
3503
3504         if (!(r && r->s))
3505                 return;
3506
3507         if (wsid >= workspace_limit)
3508                 return;
3509
3510         this_r = r;
3511         old_ws = this_r->ws;
3512         new_ws = &this_r->s->ws[wsid];
3513
3514         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
3515             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
3516
3517         if (new_ws == NULL || old_ws == NULL)
3518                 return;
3519         if (new_ws == old_ws)
3520                 return;
3521
3522         unfocus_win(old_ws->focus);
3523
3524         other_r = new_ws->r;
3525         if (other_r == NULL) {
3526                 /* the other workspace is hidden, hide this one */
3527                 old_ws->r = NULL;
3528                 unmap_old = 1;
3529         } else {
3530                 /* the other ws is visible in another region, exchange them */
3531                 other_r->ws_prior = new_ws;
3532                 other_r->ws = old_ws;
3533                 old_ws->r = other_r;
3534         }
3535         this_r->ws_prior = old_ws;
3536         this_r->ws = new_ws;
3537         new_ws->r = this_r;
3538
3539         /* Set focus_pending before stacking, if needed. */
3540         if (focus_mode != SWM_FOCUS_FOLLOW && (!new_ws->focus_pending ||
3541             validate_win(new_ws->focus_pending)))
3542                 new_ws->focus_pending = get_region_focus(new_ws->r);
3543
3544         stack();
3545
3546         /* unmap old windows */
3547         if (unmap_old)
3548                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
3549                         unmap_window(win);
3550
3551         /* if workspaces were swapped, then don't wait to set focus */
3552         if (old_ws->r && focus_mode != SWM_FOCUS_FOLLOW) {
3553                 if (new_ws->focus_pending) {
3554                         focus_win(new_ws->focus_pending);
3555                         new_ws->focus_pending = NULL;
3556                 }
3557         }
3558
3559         /* Clear bar and set focus on region input win if new ws is empty. */
3560         if (new_ws->focus_pending == NULL && new_ws->focus == NULL) {
3561                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT, r->id,
3562                     XCB_CURRENT_TIME);
3563                 bar_draw();
3564         }
3565
3566         focus_flush();
3567
3568         DNPRINTF(SWM_D_WS, "switchws: done.\n");
3569 }
3570
3571 void
3572 cyclews(struct swm_region *r, union arg *args)
3573 {
3574         union                   arg a;
3575         struct swm_screen       *s = r->s;
3576         int                     cycle_all = 0;
3577         int                     move = 0;
3578
3579         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3580             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3581
3582         a.id = r->ws->idx;
3583
3584         do {
3585                 switch (args->id) {
3586                 case SWM_ARG_ID_CYCLEWS_MOVE_UP:
3587                         move = 1;
3588                         /* FALLTHROUGH */
3589                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
3590                         cycle_all = 1;
3591                         /* FALLTHROUGH */
3592                 case SWM_ARG_ID_CYCLEWS_UP:
3593                         a.id = (a.id < workspace_limit - 1) ? a.id + 1 : 0;
3594                         break;
3595                 case SWM_ARG_ID_CYCLEWS_MOVE_DOWN:
3596                         move = 1;
3597                         /* FALLTHROUGH */
3598                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
3599                         cycle_all = 1;
3600                         /* FALLTHROUGH */
3601                 case SWM_ARG_ID_CYCLEWS_DOWN:
3602                         a.id = (a.id > 0) ? a.id - 1 : workspace_limit - 1;
3603                         break;
3604                 default:
3605                         return;
3606                 };
3607
3608                 if (!cycle_all &&
3609                     (!cycle_empty && TAILQ_EMPTY(&s->ws[a.id].winlist)))
3610                         continue;
3611                 if (!cycle_visible && s->ws[a.id].r != NULL)
3612                         continue;
3613
3614                 if (move)
3615                         send_to_ws(r, &a);
3616
3617                 switchws(r, &a);
3618         } while (a.id != r->ws->idx);
3619 }
3620
3621 void
3622 priorws(struct swm_region *r, union arg *args)
3623 {
3624         union arg               a;
3625
3626         (void)args;
3627
3628         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3629             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3630
3631         if (r->ws_prior == NULL)
3632                 return;
3633
3634         a.id = r->ws_prior->idx;
3635         switchws(r, &a);
3636 }
3637
3638 void
3639 focusrg(struct swm_region *r, union arg *args)
3640 {
3641         int                     ridx = args->id, i, num_screens;
3642         struct swm_region       *rr = NULL;
3643
3644         num_screens = get_screen_count();
3645         /* do nothing if we don't have more than one screen */
3646         if (!(num_screens > 1 || outputs > 1))
3647                 return;
3648
3649         DNPRINTF(SWM_D_FOCUS, "focusrg: id: %d\n", ridx);
3650
3651         rr = TAILQ_FIRST(&r->s->rl);
3652         for (i = 0; i < ridx; ++i)
3653                 rr = TAILQ_NEXT(rr, entry);
3654
3655         if (rr == NULL)
3656                 return;
3657
3658         focus_region(rr);
3659         focus_flush();
3660 }
3661
3662 void
3663 cyclerg(struct swm_region *r, union arg *args)
3664 {
3665         struct swm_region       *rr = NULL;
3666         int                     i, num_screens;
3667
3668         num_screens = get_screen_count();
3669         /* do nothing if we don't have more than one screen */
3670         if (!(num_screens > 1 || outputs > 1))
3671                 return;
3672
3673         i = r->s->idx;
3674         switch (args->id) {
3675         case SWM_ARG_ID_CYCLERG_UP:
3676                 rr = TAILQ_NEXT(r, entry);
3677                 if (rr == NULL)
3678                         rr = TAILQ_FIRST(&screens[i].rl);
3679                 break;
3680         case SWM_ARG_ID_CYCLERG_DOWN:
3681                 rr = TAILQ_PREV(r, swm_region_list, entry);
3682                 if (rr == NULL)
3683                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
3684                 break;
3685         default:
3686                 return;
3687         };
3688         if (rr == NULL)
3689                 return;
3690
3691         focus_region(rr);
3692         focus_flush();
3693 }
3694
3695 void
3696 sort_windows(struct ws_win_list *wl)
3697 {
3698         struct ws_win           *win, *parent, *nxt;
3699
3700         if (wl == NULL)
3701                 return;
3702
3703         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
3704                 nxt = TAILQ_NEXT(win, entry);
3705                 if (win->transient) {
3706                         parent = find_window(win->transient);
3707                         if (parent == NULL) {
3708                                 warnx("not possible bug");
3709                                 continue;
3710                         }
3711                         TAILQ_REMOVE(wl, win, entry);
3712                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
3713                 }
3714         }
3715
3716 }
3717
3718 void
3719 swapwin(struct swm_region *r, union arg *args)
3720 {
3721         struct ws_win           *target, *source;
3722         struct ws_win           *cur_focus;
3723         struct ws_win_list      *wl;
3724
3725         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3726             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3727
3728         cur_focus = r->ws->focus;
3729         if (cur_focus == NULL)
3730                 return;
3731
3732         source = cur_focus;
3733         wl = &source->ws->winlist;
3734
3735         switch (args->id) {
3736         case SWM_ARG_ID_SWAPPREV:
3737                 if (source->transient)
3738                         source = find_window(source->transient);
3739                 target = TAILQ_PREV(source, ws_win_list, entry);
3740                 if (target && target->transient)
3741                         target = find_window(target->transient);
3742                 TAILQ_REMOVE(wl, source, entry);
3743                 if (target == NULL)
3744                         TAILQ_INSERT_TAIL(wl, source, entry);
3745                 else
3746                         TAILQ_INSERT_BEFORE(target, source, entry);
3747                 break;
3748         case SWM_ARG_ID_SWAPNEXT:
3749                 target = TAILQ_NEXT(source, entry);
3750                 /* move the parent and let the sort handle the move */
3751                 if (source->transient)
3752                         source = find_window(source->transient);
3753                 TAILQ_REMOVE(wl, source, entry);
3754                 if (target == NULL)
3755                         TAILQ_INSERT_HEAD(wl, source, entry);
3756                 else
3757                         TAILQ_INSERT_AFTER(wl, target, source, entry);
3758                 break;
3759         case SWM_ARG_ID_SWAPMAIN:
3760                 target = TAILQ_FIRST(wl);
3761                 if (target == source) {
3762                         if (source->ws->focus_prev != NULL &&
3763                             source->ws->focus_prev != target)
3764                                 source = source->ws->focus_prev;
3765                         else
3766                                 return;
3767                 }
3768                 if (target == NULL || source == NULL)
3769                         return;
3770                 source->ws->focus_prev = target;
3771                 TAILQ_REMOVE(wl, target, entry);
3772                 TAILQ_INSERT_BEFORE(source, target, entry);
3773                 TAILQ_REMOVE(wl, source, entry);
3774                 TAILQ_INSERT_HEAD(wl, source, entry);
3775                 break;
3776         case SWM_ARG_ID_MOVELAST:
3777                 TAILQ_REMOVE(wl, source, entry);
3778                 TAILQ_INSERT_TAIL(wl, source, entry);
3779                 break;
3780         default:
3781                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
3782                 return;
3783         }
3784
3785         sort_windows(wl);
3786
3787         stack();
3788
3789         focus_flush();
3790 }
3791
3792 struct ws_win *
3793 get_focus_prev(struct ws_win *win)
3794 {
3795         struct ws_win           *winfocus = NULL;
3796         struct ws_win           *cur_focus = NULL;
3797         struct ws_win_list      *wl = NULL;
3798         struct workspace        *ws = NULL;
3799
3800         if (!(win && win->ws))
3801                 return NULL;
3802
3803         ws = win->ws;
3804         wl = &ws->winlist;
3805         cur_focus = ws->focus;
3806
3807         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: window: 0x%x, cur_focus: 0x%x\n",
3808             WINID(win), WINID(cur_focus));
3809
3810         /* pickle, just focus on whatever */
3811         if (cur_focus == NULL) {
3812                 /* use prev_focus if valid */
3813                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
3814                     find_window(WINID(ws->focus_prev)))
3815                         winfocus = ws->focus_prev;
3816                 goto done;
3817         }
3818
3819         /* if transient focus on parent */
3820         if (cur_focus->transient) {
3821                 winfocus = find_window(cur_focus->transient);
3822                 goto done;
3823         }
3824
3825         /* if in max_stack try harder */
3826         if ((win->quirks & SWM_Q_FOCUSPREV) ||
3827             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
3828                 if (cur_focus != ws->focus_prev)
3829                         winfocus = ws->focus_prev;
3830                 else
3831                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3832                 if (winfocus)
3833                         goto done;
3834         }
3835
3836         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: focus_close: %d\n", focus_close);
3837
3838         if (winfocus == NULL || winfocus == win) {
3839                 switch (focus_close) {
3840                 case SWM_STACK_BOTTOM:
3841                         TAILQ_FOREACH(winfocus, wl, entry)
3842                                 if (!winfocus->iconic && winfocus != cur_focus)
3843                                         break;
3844                         break;
3845                 case SWM_STACK_TOP:
3846                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
3847                                 if (!winfocus->iconic && winfocus != cur_focus)
3848                                         break;
3849                         break;
3850                 case SWM_STACK_ABOVE:
3851                         winfocus = TAILQ_NEXT(cur_focus, entry);
3852                         while (winfocus && winfocus->iconic)
3853                                 winfocus = TAILQ_NEXT(winfocus, entry);
3854
3855                         if (winfocus == NULL) {
3856                                 if (focus_close_wrap) {
3857                                         TAILQ_FOREACH(winfocus, wl, entry)
3858                                                 if (!winfocus->iconic &&
3859                                                     winfocus != cur_focus)
3860                                                         break;
3861                                 } else {
3862                                         TAILQ_FOREACH_REVERSE(winfocus, wl,
3863                                             ws_win_list, entry)
3864                                                 if (!winfocus->iconic &&
3865                                                     winfocus != cur_focus)
3866                                                         break;
3867                                 }
3868                         }
3869                         break;
3870                 case SWM_STACK_BELOW:
3871                         winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
3872                         while (winfocus && winfocus->iconic)
3873                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3874                                     entry);
3875
3876                         if (winfocus == NULL) {
3877                                 if (focus_close_wrap) {
3878                                         TAILQ_FOREACH_REVERSE(winfocus, wl,
3879                                             ws_win_list, entry)
3880                                                 if (!winfocus->iconic &&
3881                                                     winfocus != cur_focus)
3882                                                         break;
3883                                 } else {
3884                                         TAILQ_FOREACH(winfocus, wl, entry)
3885                                                 if (!winfocus->iconic &&
3886                                                     winfocus != cur_focus)
3887                                                         break;
3888                                 }
3889                         }
3890                         break;
3891                 }
3892         }
3893 done:
3894         if (winfocus == NULL ||
3895             (winfocus && (winfocus->iconic || winfocus == cur_focus))) {
3896                 if (focus_default == SWM_STACK_TOP) {
3897                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
3898                                 if (!winfocus->iconic && winfocus != cur_focus)
3899                                         break;
3900                 } else {
3901                         TAILQ_FOREACH(winfocus, wl, entry)
3902                                 if (!winfocus->iconic && winfocus != cur_focus)
3903                                         break;
3904                 }
3905         }
3906
3907         kill_refs(win);
3908
3909         return get_focus_magic(winfocus);
3910 }
3911
3912 struct ws_win *
3913 get_region_focus(struct swm_region *r)
3914 {
3915         struct ws_win           *winfocus = NULL;
3916
3917         if (!(r && r->ws))
3918                 return NULL;
3919
3920         if (r->ws->focus && !r->ws->focus->iconic)
3921                 winfocus = r->ws->focus;
3922         else if (r->ws->focus_prev && !r->ws->focus_prev->iconic)
3923                 winfocus = r->ws->focus_prev;
3924         else
3925                 TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3926                         if (!winfocus->iconic)
3927                                 break;
3928
3929         return get_focus_magic(winfocus);
3930 }
3931
3932 void
3933 focus(struct swm_region *r, union arg *args)
3934 {
3935         struct ws_win           *head, *cur_focus = NULL, *winfocus = NULL;
3936         struct ws_win_list      *wl = NULL;
3937         struct workspace        *ws = NULL;
3938         int                     all_iconics;
3939
3940         if (!(r && r->ws))
3941                 return;
3942
3943         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
3944
3945         if ((cur_focus = r->ws->focus) == NULL)
3946                 return;
3947         ws = r->ws;
3948         wl = &ws->winlist;
3949         if (TAILQ_EMPTY(wl))
3950                 return;
3951         /* make sure there is at least one uniconified window */
3952         all_iconics = 1;
3953         TAILQ_FOREACH(winfocus, wl, entry)
3954                 if (!winfocus->iconic) {
3955                         all_iconics = 0;
3956                         break;
3957                 }
3958         if (all_iconics)
3959                 return;
3960
3961         switch (args->id) {
3962         case SWM_ARG_ID_FOCUSPREV:
3963                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3964                 if (head == NULL)
3965                         head = TAILQ_LAST(wl, ws_win_list);
3966                 winfocus = head;
3967                 if (WINID(winfocus) == cur_focus->transient) {
3968                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3969                         if (head == NULL)
3970                                 head = TAILQ_LAST(wl, ws_win_list);
3971                         winfocus = head;
3972                 }
3973
3974                 /* skip iconics */
3975                 if (winfocus && winfocus->iconic) {
3976                         while (winfocus != cur_focus) {
3977                                 if (winfocus == NULL)
3978                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3979                                 if (!winfocus->iconic)
3980                                         break;
3981                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3982                                     entry);
3983                         }
3984                 }
3985                 break;
3986
3987         case SWM_ARG_ID_FOCUSNEXT:
3988                 head = TAILQ_NEXT(cur_focus, entry);
3989                 if (head == NULL)
3990                         head = TAILQ_FIRST(wl);
3991                 winfocus = head;
3992
3993                 /* skip iconics */
3994                 if (winfocus && winfocus->iconic) {
3995                         while (winfocus != cur_focus) {
3996                                 if (winfocus == NULL)
3997                                         winfocus = TAILQ_FIRST(wl);
3998                                 if (!winfocus->iconic)
3999                                         break;
4000                                 winfocus = TAILQ_NEXT(winfocus, entry);
4001                         }
4002                 }
4003                 break;
4004
4005         case SWM_ARG_ID_FOCUSMAIN:
4006                 winfocus = TAILQ_FIRST(wl);
4007                 if (winfocus == cur_focus)
4008                         winfocus = cur_focus->ws->focus_prev;
4009                 break;
4010
4011         default:
4012                 return;
4013         }
4014
4015         focus_win(get_focus_magic(winfocus));
4016
4017         focus_flush();
4018 }
4019
4020 void
4021 cycle_layout(struct swm_region *r, union arg *args)
4022 {
4023         struct workspace        *ws = r->ws;
4024
4025         /* suppress unused warning since var is needed */
4026         (void)args;
4027
4028         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
4029
4030         ws->cur_layout++;
4031         if (ws->cur_layout->l_stack == NULL)
4032                 ws->cur_layout = &layouts[0];
4033
4034         stack();
4035         bar_draw();
4036
4037         focus_win(get_region_focus(r));
4038
4039         focus_flush();
4040 }
4041
4042 void
4043 stack_config(struct swm_region *r, union arg *args)
4044 {
4045         struct workspace        *ws = r->ws;
4046
4047         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
4048             args->id, ws->idx);
4049
4050         if (ws->cur_layout->l_config != NULL)
4051                 ws->cur_layout->l_config(ws, args->id);
4052
4053         if (args->id != SWM_ARG_ID_STACKINIT)
4054                 stack();
4055         bar_draw();
4056
4057         focus_flush();
4058 }
4059
4060 void
4061 stack(void) {
4062         struct swm_geometry     g;
4063         struct swm_region       *r;
4064         int                     i, num_screens;
4065 #ifdef SWM_DEBUG
4066         int j;
4067 #endif
4068
4069         DNPRINTF(SWM_D_STACK, "stack: begin\n");
4070
4071         num_screens = get_screen_count();
4072         for (i = 0; i < num_screens; i++) {
4073 #ifdef SWM_DEBUG
4074                 j = 0;
4075 #endif
4076                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
4077                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
4078                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
4079
4080                         /* Adjust stack area for region bar and padding. */
4081                         g = r->g;
4082                         g.x += region_padding;
4083                         g.y += region_padding;
4084                         g.w -= 2 * border_width + 2 * region_padding;
4085                         g.h -= 2 * border_width + 2 * region_padding;
4086                         if (bar_enabled && r->ws->bar_enabled) {
4087                                 if (!bar_at_bottom)
4088                                         g.y += bar_height;
4089                                 g.h -= bar_height;
4090                         }
4091                         r->ws->cur_layout->l_stack(r->ws, &g);
4092                         r->ws->cur_layout->l_string(r->ws);
4093                         /* save r so we can track region changes */
4094                         r->ws->old_r = r;
4095                 }
4096         }
4097         if (font_adjusted)
4098                 font_adjusted--;
4099
4100         DNPRINTF(SWM_D_STACK, "stack: end\n");
4101 }
4102
4103 void
4104 store_float_geom(struct ws_win *win)
4105 {
4106         if (win == NULL || win->ws->r == NULL)
4107                 return;
4108
4109         /* retain window geom and region geom */
4110         win->g_float = win->g;
4111         win->g_float.x -= X(win->ws->r);
4112         win->g_float.y -= Y(win->ws->r);
4113         win->g_floatvalid = 1;
4114         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
4115             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
4116             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
4117             win->g_float.w, win->g_float.h);
4118 }
4119
4120 void
4121 load_float_geom(struct ws_win *win)
4122 {
4123         if (win == NULL || win->ws->r == NULL)
4124                 return;
4125
4126         if (win->g_floatvalid) {
4127                 win->g = win->g_float;
4128                 X(win) += X(win->ws->r);
4129                 Y(win) += Y(win->ws->r);
4130                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g: (%d,%d)"
4131                     "%d x %d\n", win->id, X(win), Y(win), WIDTH(win),
4132                     HEIGHT(win));
4133         } else {
4134                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g_float "
4135                     "is not set.\n", win->id);
4136         }
4137 }
4138
4139 void
4140 stack_floater(struct ws_win *win, struct swm_region *r)
4141 {
4142         if (win == NULL)
4143                 return;
4144
4145         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
4146
4147         /*
4148          * to allow windows to change their size (e.g. mplayer fs) only retrieve
4149          * geom on ws switches or return from max mode
4150          */
4151         if (win->floatmaxed || (r != r->ws->old_r &&
4152             !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
4153                 /* update geometry for the new region */
4154                 load_float_geom(win);
4155         }
4156
4157         win->floatmaxed = 0;
4158
4159         /*
4160          * if set to fullscreen mode, configure window to maximum size.
4161          */
4162         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4163                 if (!win->g_floatvalid)
4164                         store_float_geom(win);
4165
4166                 win->g = r->g;
4167         }
4168
4169         /*
4170          * remove border on fullscreen floater when in fullscreen mode or when
4171          * the quirk is present.
4172          */
4173         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
4174             ((win->quirks & SWM_Q_FULLSCREEN) &&
4175              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
4176                 if (win->bordered) {
4177                         win->bordered = 0;
4178                         X(win) += border_width;
4179                         Y(win) += border_width;
4180                 }
4181         } else if (!win->bordered) {
4182                 win->bordered = 1;
4183                 X(win) -= border_width;
4184                 Y(win) -= border_width;
4185         }
4186
4187         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
4188                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
4189                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
4190         }
4191
4192         if (!win->manual && !(win->ewmh_flags & EWMH_F_FULLSCREEN) &&
4193             !(win->quirks & SWM_Q_ANYWHERE)) {
4194                 /*
4195                  * floaters and transients are auto-centred unless moved,
4196                  * resized or ANYWHERE quirk is set.
4197                  */
4198                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
4199                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
4200
4201                 store_float_geom(win);
4202         }
4203
4204         /* Ensure at least 1 pixel of the window is in the region. */
4205         region_containment(win, r, SWM_CW_ALLSIDES);
4206
4207         update_window(win);
4208 }
4209
4210 /*
4211  * Send keystrokes to terminal to decrease/increase the font size as the
4212  * window size changes.
4213  */
4214 void
4215 adjust_font(struct ws_win *win)
4216 {
4217         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
4218             win->floating || win->transient)
4219                 return;
4220
4221         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
4222             WIDTH(win) / win->sh.width_inc < term_width &&
4223             win->font_steps < SWM_MAX_FONT_STEPS) {
4224                 win->font_size_boundary[win->font_steps] =
4225                     (win->sh.width_inc * term_width) + win->sh.base_width;
4226                 win->font_steps++;
4227                 font_adjusted++;
4228                 win->last_inc = win->sh.width_inc;
4229                 fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
4230         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
4231             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
4232                 win->font_steps--;
4233                 font_adjusted++;
4234                 win->last_inc = win->sh.width_inc;
4235                 fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
4236         }
4237 }
4238
4239 #define SWAPXY(g)       do {                            \
4240         int tmp;                                        \
4241         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
4242         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
4243 } while (0)
4244 void
4245 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
4246 {
4247         struct swm_geometry     win_g, r_g = *g;
4248         struct ws_win           *win, *fs_win = NULL;
4249         int                     i, j, s, stacks;
4250         int                     w_inc = 1, h_inc, w_base = 1, h_base;
4251         int                     hrh, extra = 0, h_slice, last_h = 0;
4252         int                     split, colno, winno, mwin, msize, mscale;
4253         int                     remain, missing, v_slice, reconfigure = 0;
4254         int                     bordered = 1;
4255
4256         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
4257             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
4258
4259         winno = count_win(ws, 0);
4260         if (winno == 0 && count_win(ws, 1) == 0)
4261                 return;
4262
4263         TAILQ_FOREACH(win, &ws->winlist, entry)
4264                 if (!win->transient && !win->floating && !win->iconic)
4265                         break;
4266
4267         if (win == NULL)
4268                 goto notiles;
4269
4270         if (rot) {
4271                 w_inc = win->sh.width_inc;
4272                 w_base = win->sh.base_width;
4273                 mwin = ws->l_state.horizontal_mwin;
4274                 mscale = ws->l_state.horizontal_msize;
4275                 stacks = ws->l_state.horizontal_stacks;
4276                 SWAPXY(&r_g);
4277         } else {
4278                 w_inc = win->sh.height_inc;
4279                 w_base = win->sh.base_height;
4280                 mwin = ws->l_state.vertical_mwin;
4281                 mscale = ws->l_state.vertical_msize;
4282                 stacks = ws->l_state.vertical_stacks;
4283         }
4284         win_g = r_g;
4285
4286         if (stacks > winno - mwin)
4287                 stacks = winno - mwin;
4288         if (stacks < 1)
4289                 stacks = 1;
4290
4291         h_slice = r_g.h / SWM_H_SLICE;
4292         if (mwin && winno > mwin) {
4293                 v_slice = r_g.w / SWM_V_SLICE;
4294
4295                 split = mwin;
4296                 colno = split;
4297                 win_g.w = v_slice * mscale;
4298
4299                 if (w_inc > 1 && w_inc < v_slice) {
4300                         /* adjust for window's requested size increment */
4301                         remain = (win_g.w - w_base) % w_inc;
4302                         win_g.w -= remain;
4303                 }
4304
4305                 msize = win_g.w;
4306                 if (flip)
4307                         win_g.x += r_g.w - msize;
4308         } else {
4309                 msize = -2;
4310                 colno = split = winno / stacks;
4311                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
4312                     2 * border_width) / stacks);
4313         }
4314         hrh = r_g.h / colno;
4315         extra = r_g.h - (colno * hrh);
4316         win_g.h = hrh - 2 * border_width;
4317
4318         /*  stack all the tiled windows */
4319         i = j = 0, s = stacks;
4320         TAILQ_FOREACH(win, &ws->winlist, entry) {
4321                 if (win->transient || win->floating || win->iconic)
4322                         continue;
4323
4324                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4325                         fs_win = win;
4326                         continue;
4327                 }
4328
4329                 if (split && i == split) {
4330                         colno = (winno - mwin) / stacks;
4331                         if (s <= (winno - mwin) % stacks)
4332                                 colno++;
4333                         split += colno;
4334                         hrh = r_g.h / colno;
4335                         extra = r_g.h - (colno * hrh);
4336
4337                         if (!flip)
4338                                 win_g.x += win_g.w + 2 * border_width +
4339                                     tile_gap;
4340
4341                         win_g.w = (r_g.w - msize -
4342                             (stacks * (2 * border_width + tile_gap))) / stacks;
4343                         if (s == 1)
4344                                 win_g.w += (r_g.w - msize -
4345                                     (stacks * (2 * border_width + tile_gap))) %
4346                                     stacks;
4347
4348                         if (flip)
4349                                 win_g.x -= win_g.w + 2 * border_width +
4350                                     tile_gap;
4351                         s--;
4352                         j = 0;
4353                 }
4354
4355                 win_g.h = hrh - 2 * border_width - tile_gap;
4356
4357                 if (rot) {
4358                         h_inc = win->sh.width_inc;
4359                         h_base = win->sh.base_width;
4360                 } else {
4361                         h_inc = win->sh.height_inc;
4362                         h_base = win->sh.base_height;
4363                 }
4364
4365                 if (j == colno - 1) {
4366                         win_g.h = hrh + extra;
4367                 } else if (h_inc > 1 && h_inc < h_slice) {
4368                         /* adjust for window's requested size increment */
4369                         remain = (win_g.h - h_base) % h_inc;
4370                         missing = h_inc - remain;
4371
4372                         if (missing <= extra || j == 0) {
4373                                 extra -= missing;
4374                                 win_g.h += missing;
4375                         } else {
4376                                 win_g.h -= remain;
4377                                 extra += remain;
4378                         }
4379                 }
4380
4381                 if (j == 0)
4382                         win_g.y = r_g.y;
4383                 else
4384                         win_g.y += last_h + 2 * border_width + tile_gap;
4385
4386                 if (disable_border && !(bar_enabled && ws->bar_enabled) &&
4387                     winno == 1){
4388                         bordered = 0;
4389                         win_g.w += 2 * border_width;
4390                         win_g.h += 2 * border_width;
4391                 } else {
4392                         bordered = 1;
4393                 }
4394
4395                 if (rot) {
4396                         if (X(win) != win_g.y || Y(win) != win_g.x ||
4397                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
4398                                 reconfigure = 1;
4399                                 X(win) = win_g.y;
4400                                 Y(win) = win_g.x;
4401                                 WIDTH(win) = win_g.h;
4402                                 HEIGHT(win) = win_g.w;
4403                         }
4404                 } else {
4405                         if (X(win) != win_g.x || Y(win) != win_g.y ||
4406                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
4407                                 reconfigure = 1;
4408                                 X(win) = win_g.x;
4409                                 Y(win) = win_g.y;
4410                                 WIDTH(win) = win_g.w;
4411                                 HEIGHT(win) = win_g.h;
4412                         }
4413                 }
4414
4415                 if (bordered != win->bordered) {
4416                         reconfigure = 1;
4417                         win->bordered = bordered;
4418                 }
4419
4420                 if (reconfigure) {
4421                         adjust_font(win);
4422                         update_window(win);
4423                 }
4424
4425                 map_window(win, get_sibling(win, SWM_STACK_BELOW));
4426
4427                 last_h = win_g.h;
4428                 i++;
4429                 j++;
4430         }
4431
4432         /* Map/raise focused tiled window to top if windows could overlap. */
4433         if (tile_gap < 0 && ws->focus != NULL && !ws->focus->floating)
4434                 map_window(ws->focus, get_sibling(ws->focus, SWM_STACK_TOP));
4435
4436 notiles:
4437         /* now, stack all the floaters and transients */
4438         TAILQ_FOREACH(win, &ws->winlist, entry) {
4439                 if (!win->transient && !win->floating)
4440                         continue;
4441                 if (win->iconic)
4442                         continue;
4443                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4444                         fs_win = win;
4445                         continue;
4446                 }
4447
4448                 stack_floater(win, ws->r);
4449                 map_window(win, XCB_WINDOW_NONE);
4450         }
4451
4452         /* Make sure fs_win is stacked last so it's on top. */
4453         if (fs_win) {
4454                 stack_floater(fs_win, ws->r);
4455                 map_window(fs_win, XCB_WINDOW_NONE);
4456         }
4457 }
4458
4459 void
4460 vertical_config(struct workspace *ws, int id)
4461 {
4462         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
4463             id, ws->idx);
4464
4465         switch (id) {
4466         case SWM_ARG_ID_STACKRESET:
4467         case SWM_ARG_ID_STACKINIT:
4468                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
4469                 ws->l_state.vertical_mwin = 1;
4470                 ws->l_state.vertical_stacks = 1;
4471                 break;
4472         case SWM_ARG_ID_MASTERSHRINK:
4473                 if (ws->l_state.vertical_msize > 1)
4474                         ws->l_state.vertical_msize--;
4475                 break;
4476         case SWM_ARG_ID_MASTERGROW:
4477                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
4478                         ws->l_state.vertical_msize++;
4479                 break;
4480         case SWM_ARG_ID_MASTERADD:
4481                 ws->l_state.vertical_mwin++;
4482                 break;
4483         case SWM_ARG_ID_MASTERDEL:
4484                 if (ws->l_state.vertical_mwin > 0)
4485                         ws->l_state.vertical_mwin--;
4486                 break;
4487         case SWM_ARG_ID_STACKINC:
4488                 ws->l_state.vertical_stacks++;
4489                 break;
4490         case SWM_ARG_ID_STACKDEC:
4491                 if (ws->l_state.vertical_stacks > 1)
4492                         ws->l_state.vertical_stacks--;
4493                 break;
4494         case SWM_ARG_ID_FLIPLAYOUT:
4495                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
4496                 break;
4497         default:
4498                 return;
4499         }
4500 }
4501
4502 void
4503 vertical_stack(struct workspace *ws, struct swm_geometry *g)
4504 {
4505         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
4506
4507         stack_master(ws, g, 0, ws->l_state.vertical_flip);
4508 }
4509
4510 void
4511 horizontal_config(struct workspace *ws, int id)
4512 {
4513         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
4514
4515         switch (id) {
4516         case SWM_ARG_ID_STACKRESET:
4517         case SWM_ARG_ID_STACKINIT:
4518                 ws->l_state.horizontal_mwin = 1;
4519                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
4520                 ws->l_state.horizontal_stacks = 1;
4521                 break;
4522         case SWM_ARG_ID_MASTERSHRINK:
4523                 if (ws->l_state.horizontal_msize > 1)
4524                         ws->l_state.horizontal_msize--;
4525                 break;
4526         case SWM_ARG_ID_MASTERGROW:
4527                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
4528                         ws->l_state.horizontal_msize++;
4529                 break;
4530         case SWM_ARG_ID_MASTERADD:
4531                 ws->l_state.horizontal_mwin++;
4532                 break;
4533         case SWM_ARG_ID_MASTERDEL:
4534                 if (ws->l_state.horizontal_mwin > 0)
4535                         ws->l_state.horizontal_mwin--;
4536                 break;
4537         case SWM_ARG_ID_STACKINC:
4538                 ws->l_state.horizontal_stacks++;
4539                 break;
4540         case SWM_ARG_ID_STACKDEC:
4541                 if (ws->l_state.horizontal_stacks > 1)
4542                         ws->l_state.horizontal_stacks--;
4543                 break;
4544         case SWM_ARG_ID_FLIPLAYOUT:
4545                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
4546                 break;
4547         default:
4548                 return;
4549         }
4550 }
4551
4552 void
4553 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
4554 {
4555         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
4556
4557         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
4558 }
4559
4560 /* fullscreen view */
4561 void
4562 max_stack(struct workspace *ws, struct swm_geometry *g)
4563 {
4564         struct swm_geometry     gg = *g;
4565         struct ws_win           *w, *win = NULL, *parent = NULL;
4566         int                     winno;
4567
4568         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
4569
4570         if (ws == NULL)
4571                 return;
4572
4573         winno = count_win(ws, 0);
4574         if (winno == 0 && count_win(ws, 1) == 0)
4575                 return;
4576
4577         /* Figure out which top level window should be visible. */
4578         if (ws->focus_pending)
4579                 win = ws->focus_pending;
4580         else if (ws->focus)
4581                 win = ws->focus;
4582         else if (ws->focus_prev)
4583                 win = ws->focus_prev;
4584         else
4585                 win = TAILQ_FIRST(&ws->winlist);
4586
4587         if (win->transient)
4588                 parent = find_window(win->transient);
4589
4590         DNPRINTF(SWM_D_STACK, "max_stack: win: 0x%x\n", win->id);
4591
4592         /* maximize all top level windows */
4593         TAILQ_FOREACH(w, &ws->winlist, entry) {
4594                 if (w->transient || w->iconic)
4595                         continue;
4596
4597                 if (!w->mapped && w != win)
4598                         map_window(w, XCB_WINDOW_NONE);
4599
4600                 if (w->floating && !w->floatmaxed) {
4601                         /*
4602                          * retain geometry for retrieval on exit from
4603                          * max_stack mode
4604                          */
4605                         store_float_geom(w);
4606                         w->floatmaxed = 1;
4607                 }
4608
4609                 /* only reconfigure if necessary */
4610                 if (X(w) != gg.x || Y(w) != gg.y || WIDTH(w) != gg.w ||
4611                     HEIGHT(w) != gg.h) {
4612                         w->g = gg;
4613                         if (bar_enabled && ws->bar_enabled){
4614                                 w->bordered = 1;
4615                         } else {
4616                                 w->bordered = 0;
4617                                 WIDTH(w) += 2 * border_width;
4618                                 HEIGHT(w) += 2 * border_width;
4619                         }
4620
4621                         update_window(w);
4622                 }
4623         }
4624
4625         /* If a parent exists, map/raise it first. */
4626         if (parent) {
4627                 map_window(parent, XCB_WINDOW_NONE);
4628
4629                 /* Map siblings next. */
4630                 TAILQ_FOREACH(w, &ws->winlist, entry)
4631                         if (w != win && !w->iconic &&
4632                             w->transient == parent->id) {
4633                                 stack_floater(w, ws->r);
4634                                 map_window(w, XCB_WINDOW_NONE);
4635                         }
4636         }
4637
4638         /* Map/raise focused window. */
4639         map_window(win, XCB_WINDOW_NONE);
4640
4641         /* Finally, map/raise children of focus window. */
4642         TAILQ_FOREACH(w, &ws->winlist, entry)
4643                 if (w->transient == win->id && !w->iconic) {
4644                         stack_floater(w, ws->r);
4645                         map_window(w, XCB_WINDOW_NONE);
4646                 }
4647 }
4648
4649 void
4650 send_to_rg(struct swm_region *r, union arg *args)
4651 {
4652         int                     ridx = args->id, i, num_screens;
4653         struct swm_region       *rr = NULL;
4654         union arg               a;
4655
4656         num_screens = get_screen_count();
4657         /* do nothing if we don't have more than one screen */
4658         if (!(num_screens > 1 || outputs > 1))
4659                 return;
4660
4661         DNPRINTF(SWM_D_FOCUS, "send_to_rg: id: %d\n", ridx);
4662
4663         rr = TAILQ_FIRST(&r->s->rl);
4664         for (i = 0; i < ridx; ++i)
4665                 rr = TAILQ_NEXT(rr, entry);
4666
4667         if (rr == NULL)
4668                 return;
4669
4670         a.id = rr->ws->idx;
4671
4672         send_to_ws(r, &a);
4673 }
4674
4675 struct swm_region *
4676 region_under(struct swm_screen *s, int x, int y)
4677 {
4678         struct swm_region       *r = NULL;
4679
4680         TAILQ_FOREACH(r, &s->rl, entry) {
4681                 DNPRINTF(SWM_D_MISC, "region_under: ws: %d, region g: (%d,%d) "
4682                     "%d x %d, coords: (%d,%d)\n", r->ws->idx, X(r), Y(r),
4683                     WIDTH(r), HEIGHT(r), x, y);
4684                 if (X(r) <= x && x < MAX_X(r))
4685                         if (Y(r) <= y && y < MAX_Y(r))
4686                                 return (r);
4687         }
4688
4689         return (NULL);
4690 }
4691
4692 void
4693 send_to_ws(struct swm_region *r, union arg *args)
4694 {
4695         int                     wsid = args->id;
4696         struct ws_win           *win = NULL;
4697
4698         if (r && r->ws && r->ws->focus)
4699                 win = r->ws->focus;
4700         else
4701                 return;
4702
4703         DNPRINTF(SWM_D_MOVE, "send_to_ws: win 0x%x, ws %d\n", win->id, wsid);
4704
4705         win_to_ws(win, wsid, 1);
4706
4707         /* Restack and set new focus. */
4708         stack();
4709
4710         if (focus_mode != SWM_FOCUS_FOLLOW) {
4711                 if (r->ws->focus_pending) {
4712                         focus_win(r->ws->focus_pending);
4713                         r->ws->focus_pending = NULL;
4714                 } else {
4715                         xcb_set_input_focus(conn,
4716                             XCB_INPUT_FOCUS_PARENT, r->id,
4717                             XCB_CURRENT_TIME);
4718                 }
4719         }
4720
4721         focus_flush();
4722 }
4723
4724 void
4725 win_to_ws(struct ws_win *win, int wsid, int unfocus)
4726 {
4727         struct ws_win           *parent;
4728         struct workspace        *ws, *nws, *pws;
4729         char                    ws_idx_str[SWM_PROPLEN];
4730
4731         if (wsid >= workspace_limit)
4732                 return;
4733
4734         if (win->ws->idx == wsid)
4735                 return;
4736
4737         ws = win->ws;
4738         nws = &win->s->ws[wsid];
4739
4740         DNPRINTF(SWM_D_MOVE, "win_to_ws: win 0x%x, ws %d -> %d\n", win->id,
4741             ws->idx, wsid);
4742
4743         /* Update the window's workspace property: _SWM_WS */
4744         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
4745                 if (focus_mode != SWM_FOCUS_FOLLOW)
4746                         ws->focus_pending = get_focus_prev(win);
4747
4748                 /* Move the parent if this is a transient window. */
4749                 if (win->transient) {
4750                         parent = find_window(win->transient);
4751                         if (parent) {
4752                                 pws = parent->ws;
4753                                 /* Set new focus in parent's ws if needed. */
4754                                 if (pws->focus == parent) {
4755                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4756                                                 pws->focus_pending =
4757                                                     get_focus_prev(parent);
4758
4759                                         unfocus_win(parent);
4760
4761                                         if (focus_mode != SWM_FOCUS_FOLLOW) {
4762                                                 pws->focus = pws->focus_pending;
4763                                                 pws->focus_pending = NULL;
4764                                         }
4765                                 }
4766
4767                                 /* Don't unmap parent if new ws is visible */
4768                                 if (nws->r == NULL)
4769                                         unmap_window(parent);
4770
4771                                 /* Transfer */
4772                                 TAILQ_REMOVE(&ws->winlist, parent, entry);
4773                                 TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
4774                                 parent->ws = nws;
4775
4776                                 DNPRINTF(SWM_D_PROP, "win_to_ws: set "
4777                                     "property: _SWM_WS: %s\n", ws_idx_str);
4778                                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE,
4779                                     parent->id, a_swm_ws, XCB_ATOM_STRING, 8,
4780                                     strlen(ws_idx_str), ws_idx_str);
4781                         }
4782                 }
4783
4784                 if (unfocus)
4785                         unfocus_win(win);
4786
4787                 /* Don't unmap if new ws is visible */
4788                 if (nws->r == NULL)
4789                         unmap_window(win);
4790
4791                 /* Transfer */
4792                 TAILQ_REMOVE(&ws->winlist, win, entry);
4793                 TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
4794                 win->ws = nws;
4795
4796                 /* Set focus on new ws. */
4797                 unfocus_win(nws->focus);
4798                 nws->focus = win;
4799
4800                 DNPRINTF(SWM_D_PROP, "win_to_ws: set property: _SWM_WS: %s\n",
4801                     ws_idx_str);
4802                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
4803                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
4804                     ws_idx_str);
4805         }
4806
4807         DNPRINTF(SWM_D_MOVE, "win_to_ws: done.\n");
4808 }
4809
4810 void
4811 pressbutton(struct swm_region *r, union arg *args)
4812 {
4813         /* suppress unused warning since var is needed */
4814         (void)r;
4815
4816         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
4817             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4818         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
4819             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4820 }
4821
4822 void
4823 raise_toggle(struct swm_region *r, union arg *args)
4824 {
4825         /* suppress unused warning since var is needed */
4826         (void)args;
4827
4828         if (r == NULL || r->ws == NULL)
4829                 return;
4830
4831         r->ws->always_raise = !r->ws->always_raise;
4832
4833         /* bring floaters back to top */
4834         if (!r->ws->always_raise)
4835                 stack();
4836
4837         focus_flush();
4838 }
4839
4840 void
4841 iconify(struct swm_region *r, union arg *args)
4842 {
4843         /* suppress unused warning since var is needed */
4844         (void)args;
4845
4846         if (r->ws->focus == NULL)
4847                 return;
4848
4849         set_swm_iconic(r->ws->focus, 1);
4850
4851         xcb_flush(conn);
4852 }
4853
4854 char *
4855 get_win_name(xcb_window_t win)
4856 {
4857         char                            *name = NULL;
4858         xcb_get_property_cookie_t       c;
4859         xcb_get_property_reply_t        *r;
4860
4861         /* First try _NET_WM_NAME for UTF-8. */
4862         c = xcb_get_property(conn, 0, win, a_netwmname,
4863             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4864         r = xcb_get_property_reply(conn, c, NULL);
4865
4866         if (r) {
4867                 if (r->type == XCB_NONE) {
4868                         free(r);
4869                         /* Use WM_NAME instead; no UTF-8. */
4870                         c = xcb_get_property(conn, 0, win, XCB_ATOM_WM_NAME,
4871                             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4872                         r = xcb_get_property_reply(conn, c, NULL);
4873
4874                         if (!r)
4875                                 return (NULL);
4876                         if (r->type == XCB_NONE) {
4877                                 free(r);
4878                                 return (NULL);
4879                         }
4880                 }
4881                 if (r->length > 0)
4882                         name = strndup(xcb_get_property_value(r),
4883                             xcb_get_property_value_length(r));
4884
4885                 free(r);
4886         }
4887
4888         return (name);
4889 }
4890
4891 void
4892 uniconify(struct swm_region *r, union arg *args)
4893 {
4894         struct ws_win           *win;
4895         FILE                    *lfile;
4896         char                    *name;
4897         int                     count = 0;
4898
4899         DNPRINTF(SWM_D_MISC, "uniconify\n");
4900
4901         if (r == NULL || r->ws == NULL)
4902                 return;
4903
4904         /* make sure we have anything to uniconify */
4905         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4906                 if (win->ws == NULL)
4907                         continue; /* should never happen */
4908                 if (!win->iconic)
4909                         continue;
4910                 count++;
4911         }
4912         if (count == 0)
4913                 return;
4914
4915         search_r = r;
4916         search_resp_action = SWM_SEARCH_UNICONIFY;
4917
4918         spawn_select(r, args, "search", &searchpid);
4919
4920         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4921                 return;
4922
4923         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4924                 if (win->ws == NULL)
4925                         continue; /* should never happen */
4926                 if (!win->iconic)
4927                         continue;
4928
4929                 name = get_win_name(win->id);
4930                 if (name == NULL)
4931                         continue;
4932                 fprintf(lfile, "%s.%u\n", name, win->id);
4933                 free(name);
4934         }
4935
4936         fclose(lfile);
4937 }
4938
4939 void
4940 name_workspace(struct swm_region *r, union arg *args)
4941 {
4942         FILE                    *lfile;
4943
4944         DNPRINTF(SWM_D_MISC, "name_workspace\n");
4945
4946         if (r == NULL)
4947                 return;
4948
4949         search_r = r;
4950         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
4951
4952         spawn_select(r, args, "name_workspace", &searchpid);
4953
4954         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4955                 return;
4956
4957         fprintf(lfile, "%s", "");
4958         fclose(lfile);
4959 }
4960
4961 void
4962 search_workspace(struct swm_region *r, union arg *args)
4963 {
4964         int                     i;
4965         struct workspace        *ws;
4966         FILE                    *lfile;
4967
4968         DNPRINTF(SWM_D_MISC, "search_workspace\n");
4969
4970         if (r == NULL)
4971                 return;
4972
4973         search_r = r;
4974         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
4975
4976         spawn_select(r, args, "search", &searchpid);
4977
4978         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4979                 return;
4980
4981         for (i = 0; i < workspace_limit; i++) {
4982                 ws = &r->s->ws[i];
4983                 if (ws == NULL)
4984                         continue;
4985                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
4986                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
4987         }
4988
4989         fclose(lfile);
4990 }
4991
4992 void
4993 search_win_cleanup(void)
4994 {
4995         struct search_window    *sw = NULL;
4996
4997         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
4998                 xcb_destroy_window(conn, sw->indicator);
4999                 TAILQ_REMOVE(&search_wl, sw, entry);
5000                 free(sw);
5001         }
5002 }
5003
5004 void
5005 search_win(struct swm_region *r, union arg *args)
5006 {
5007         struct ws_win           *win = NULL;
5008         struct search_window    *sw = NULL;
5009         xcb_window_t            w;
5010         uint32_t                wa[2];
5011         int                     i, width, height;
5012         char                    s[8];
5013         FILE                    *lfile;
5014         size_t                  len;
5015         XftDraw                 *draw;
5016         XGlyphInfo              info;
5017         GC                      l_draw;
5018         XGCValues               l_gcv;
5019         XRectangle              l_ibox, l_lbox;
5020
5021         DNPRINTF(SWM_D_MISC, "search_win\n");
5022
5023         search_r = r;
5024         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
5025
5026         spawn_select(r, args, "search", &searchpid);
5027
5028         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
5029                 return;
5030
5031         TAILQ_INIT(&search_wl);
5032
5033         i = 1;
5034         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
5035                 if (win->iconic)
5036                         continue;
5037
5038                 sw = calloc(1, sizeof(struct search_window));
5039                 if (sw == NULL) {
5040                         warn("search_win: calloc");
5041                         fclose(lfile);
5042                         search_win_cleanup();
5043                         return;
5044                 }
5045                 sw->idx = i;
5046                 sw->win = win;
5047
5048                 snprintf(s, sizeof s, "%d", i);
5049                 len = strlen(s);
5050
5051                 w = xcb_generate_id(conn);
5052                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
5053                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].pixel;
5054
5055                 if (bar_font_legacy) {
5056                         XmbTextExtents(bar_fs, s, len, &l_ibox, &l_lbox);
5057                         width = l_lbox.width + 4;
5058                         height = bar_fs_extents->max_logical_extent.height + 4;
5059                 } else {
5060                         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len,
5061                             &info);
5062                         width = info.width + 4;
5063                         height = bar_font->height + 4;
5064                 }
5065
5066                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
5067                     width, height, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
5068                     XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL |
5069                     XCB_CW_BORDER_PIXEL, wa);
5070
5071                 xcb_map_window(conn, w);
5072
5073                 sw->indicator = w;
5074                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
5075
5076                 if (bar_font_legacy) {
5077                         l_gcv.graphics_exposures = 0;
5078                         l_draw = XCreateGC(display, w, 0, &l_gcv);
5079
5080                         XSetForeground(display, l_draw,
5081                                 r->s->c[SWM_S_COLOR_BAR].pixel);
5082
5083                         DRAWSTRING(display, w, bar_fs, l_draw, 2,
5084                             (bar_fs_extents->max_logical_extent.height -
5085                             l_lbox.height) / 2 - l_lbox.y, s, len);
5086
5087                         XFreeGC(display, l_draw);
5088                 } else {
5089
5090                         draw = XftDrawCreate(display, w,
5091                             DefaultVisual(display, r->s->idx),
5092                             DefaultColormap(display, r->s->idx));
5093
5094                         XftDrawStringUtf8(draw, &bar_font_color, bar_font, 2,
5095                             (HEIGHT(r->bar) + bar_font->height) / 2 -
5096                             bar_font->descent, (FcChar8 *)s, len);
5097
5098                         XftDrawDestroy(draw);
5099                 }
5100
5101                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
5102
5103                 fprintf(lfile, "%d\n", i);
5104                 i++;
5105         }
5106
5107         fclose(lfile);
5108
5109         xcb_flush(conn);
5110 }
5111
5112 void
5113 search_resp_uniconify(const char *resp, size_t len)
5114 {
5115         char                    *name;
5116         struct ws_win           *win;
5117         char                    *s;
5118
5119         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
5120
5121         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
5122                 if (!win->iconic)
5123                         continue;
5124                 name = get_win_name(win->id);
5125                 if (name == NULL)
5126                         continue;
5127                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
5128                         free(name);
5129                         continue;
5130                 }
5131                 free(name);
5132                 if (strncmp(s, resp, len) == 0) {
5133                         /* XXX this should be a callback to generalize */
5134                         set_swm_iconic(win, 0);
5135                         free(s);
5136                         break;
5137                 }
5138                 free(s);
5139         }
5140 }
5141
5142 void
5143 search_resp_name_workspace(const char *resp, size_t len)
5144 {
5145         struct workspace        *ws;
5146
5147         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
5148
5149         if (search_r->ws == NULL)
5150                 return;
5151         ws = search_r->ws;
5152
5153         if (ws->name) {
5154                 free(search_r->ws->name);
5155                 search_r->ws->name = NULL;
5156         }
5157
5158         if (len > 1) {
5159                 ws->name = strdup(resp);
5160                 if (ws->name == NULL) {
5161                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
5162                             "strdup: %s", strerror(errno));
5163                         return;
5164                 }
5165         }
5166 }
5167
5168 void
5169 search_resp_search_workspace(const char *resp)
5170 {
5171         char                    *p, *q;
5172         int                     ws_idx;
5173         const char              *errstr;
5174         union arg               a;
5175
5176         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
5177
5178         q = strdup(resp);
5179         if (!q) {
5180                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
5181                     strerror(errno));
5182                 return;
5183         }
5184         p = strchr(q, ':');
5185         if (p != NULL)
5186                 *p = '\0';
5187         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
5188         if (errstr) {
5189                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
5190                     errstr, q);
5191                 free(q);
5192                 return;
5193         }
5194         free(q);
5195         a.id = ws_idx - 1;
5196         switchws(search_r, &a);
5197 }
5198
5199 void
5200 search_resp_search_window(const char *resp)
5201 {
5202         char                    *s;
5203         int                     idx;
5204         const char              *errstr;
5205         struct search_window    *sw;
5206
5207         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
5208
5209         s = strdup(resp);
5210         if (!s) {
5211                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
5212                     strerror(errno));
5213                 return;
5214         }
5215
5216         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
5217         if (errstr) {
5218                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
5219                     errstr, s);
5220                 free(s);
5221                 return;
5222         }
5223         free(s);
5224
5225         TAILQ_FOREACH(sw, &search_wl, entry)
5226                 if (idx == sw->idx) {
5227                         focus_win(sw->win);
5228                         break;
5229                 }
5230 }
5231
5232 #define MAX_RESP_LEN    1024
5233
5234 void
5235 search_do_resp(void)
5236 {
5237         ssize_t                 rbytes;
5238         char                    *resp;
5239         size_t                  len;
5240
5241         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
5242
5243         search_resp = 0;
5244         searchpid = 0;
5245
5246         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
5247                 warn("search: calloc");
5248                 goto done;
5249         }
5250
5251         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
5252         if (rbytes <= 0) {
5253                 warn("search: read error");
5254                 goto done;
5255         }
5256         resp[rbytes] = '\0';
5257
5258         /* XXX:
5259          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
5260          * newline, so work around that by sanitizing the resp now.
5261          */
5262         resp[strcspn(resp, "\n")] = '\0';
5263         len = strlen(resp);
5264
5265         switch (search_resp_action) {
5266         case SWM_SEARCH_UNICONIFY:
5267                 search_resp_uniconify(resp, len);
5268                 break;
5269         case SWM_SEARCH_NAME_WORKSPACE:
5270                 search_resp_name_workspace(resp, len);
5271                 break;
5272         case SWM_SEARCH_SEARCH_WORKSPACE:
5273                 search_resp_search_workspace(resp);
5274                 break;
5275         case SWM_SEARCH_SEARCH_WINDOW:
5276                 search_resp_search_window(resp);
5277                 break;
5278         }
5279
5280 done:
5281         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
5282                 search_win_cleanup();
5283
5284         search_resp_action = SWM_SEARCH_NONE;
5285         close(select_resp_pipe[0]);
5286         free(resp);
5287
5288         xcb_flush(conn);
5289 }
5290
5291 void
5292 wkill(struct swm_region *r, union arg *args)
5293 {
5294         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
5295
5296         if (r->ws->focus == NULL)
5297                 return;
5298
5299         if (args->id == SWM_ARG_ID_KILLWINDOW)
5300                 xcb_kill_client(conn, r->ws->focus->id);
5301         else
5302                 if (r->ws->focus->can_delete)
5303                         client_msg(r->ws->focus, a_delete, 0);
5304
5305         focus_flush();
5306 }
5307
5308 int
5309 floating_toggle_win(struct ws_win *win)
5310 {
5311         struct swm_region       *r;
5312
5313         if (win == NULL)
5314                 return (0);
5315
5316         if (!win->ws->r)
5317                 return (0);
5318
5319         r = win->ws->r;
5320
5321         /* reject floating toggles in max stack mode */
5322         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
5323                 return (0);
5324
5325         if (win->floating) {
5326                 if (!win->floatmaxed) {
5327                         /* retain position for refloat */
5328                         store_float_geom(win);
5329                 }
5330                 win->floating = 0;
5331         } else {
5332                 load_float_geom(win);
5333                 win->floating = 1;
5334         }
5335
5336         ewmh_update_actions(win);
5337
5338         return (1);
5339 }
5340
5341 void
5342 floating_toggle(struct swm_region *r, union arg *args)
5343 {
5344         struct ws_win           *win = r->ws->focus;
5345
5346         /* suppress unused warning since var is needed */
5347         (void)args;
5348
5349         if (win == NULL)
5350                 return;
5351
5352         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5353                 return;
5354
5355         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5356             _NET_WM_STATE_TOGGLE);
5357
5358         stack();
5359
5360         if (win == win->ws->focus)
5361                 focus_win(win);
5362
5363         focus_flush();
5364 }
5365
5366 void
5367 region_containment(struct ws_win *win, struct swm_region *r, int opts)
5368 {
5369         struct swm_geometry             g = r->g;
5370         int                             rt, lt, tp, bm, bw;
5371
5372         bw = (opts & SWM_CW_SOFTBOUNDARY) ? boundary_width : 0;
5373
5374         /*
5375          * Perpendicular distance of each side of the window to the respective
5376          * side of the region boundary.  Positive values indicate the side of
5377          * the window has passed beyond the region boundary.
5378          */
5379         rt = opts & SWM_CW_RIGHT ? MAX_X(win) + BORDER(win) - MAX_X(r) : bw;
5380         lt = opts & SWM_CW_LEFT ? X(r) - X(win) + BORDER(win) : bw;
5381         bm = opts & SWM_CW_BOTTOM ? MAX_Y(win) + BORDER(win) - MAX_Y(r) : bw;
5382         tp = opts & SWM_CW_TOP ? Y(r) - Y(win) + BORDER(win) : bw;
5383
5384         DNPRINTF(SWM_D_MISC, "region_containment: win 0x%x, rt: %d, lt: %d, "
5385             "bm: %d, tp: %d, SOFTBOUNDARY: %s, HARDBOUNDARY: %s\n", win->id, rt,
5386             lt, bm, tp, YESNO(opts & SWM_CW_SOFTBOUNDARY),
5387             YESNO(opts & SWM_CW_HARDBOUNDARY));
5388
5389         /*
5390          * Disable containment if any of the flagged sides went beyond the
5391          * containment boundary, or if containment is disabled.
5392          */
5393         if (!(opts & SWM_CW_HARDBOUNDARY || opts & SWM_CW_SOFTBOUNDARY) ||
5394             (bw != 0 && ((rt > bw) || (lt > bw) || (bm > bw) || (tp > bw)))) {
5395                 /* Make sure window has at least 1 pixel in the region */
5396                 g.x += 1 - WIDTH(win);
5397                 g.y += 1 - HEIGHT(win);
5398                 g.w += 2 * WIDTH(win) - 2;
5399                 g.h += 2 * HEIGHT(win) - 2;
5400         }
5401
5402         constrain_window(win, &g, &opts);
5403 }
5404
5405 /* Move or resize a window so that flagged side(s) fit into the supplied box. */
5406 void
5407 constrain_window(struct ws_win *win, struct swm_geometry *b, int *opts)
5408 {
5409         DNPRINTF(SWM_D_MISC, "constrain_window: window: 0x%x, (x,y) w x h: "
5410             "(%d,%d) %d x %d, box: (x,y) w x h: (%d,%d) %d x %d, rt: %s, "
5411             "lt: %s, bt: %s, tp: %s, allow resize: %s\n", win->id, X(win),
5412             Y(win), WIDTH(win), HEIGHT(win), b->x, b->y, b->w, b->h,
5413             YESNO(*opts & SWM_CW_RIGHT), YESNO(*opts & SWM_CW_LEFT),
5414             YESNO(*opts & SWM_CW_BOTTOM), YESNO(*opts & SWM_CW_TOP),
5415             YESNO(*opts & SWM_CW_RESIZABLE));
5416
5417         if ((*opts & SWM_CW_RIGHT) && MAX_X(win) + BORDER(win) > b->x + b->w) {
5418                 if (*opts & SWM_CW_RESIZABLE)
5419                         WIDTH(win) = b->x + b->w - X(win) - BORDER(win);
5420                 else
5421                         X(win) = b->x + b->w - WIDTH(win) - BORDER(win);
5422         }
5423
5424         if ((*opts & SWM_CW_LEFT) && X(win) + BORDER(win) < b->x) {
5425                 if (*opts & SWM_CW_RESIZABLE)
5426                         WIDTH(win) -= b->x - X(win) - BORDER(win);
5427
5428                 X(win) = b->x - BORDER(win);
5429         }
5430
5431         if ((*opts & SWM_CW_BOTTOM) && MAX_Y(win) + BORDER(win) > b->y + b->h) {
5432                 if (*opts & SWM_CW_RESIZABLE)
5433                         HEIGHT(win) = b->y + b->h - Y(win) - BORDER(win);
5434                 else
5435                         Y(win) = b->y + b->h - HEIGHT(win) - BORDER(win);
5436         }
5437
5438         if ((*opts & SWM_CW_TOP) && Y(win) + BORDER(win) < b->y) {
5439                 if (*opts & SWM_CW_RESIZABLE)
5440                         HEIGHT(win) -= b->y - Y(win) - BORDER(win);
5441
5442                 Y(win) = b->y - BORDER(win);
5443         }
5444
5445         if (*opts & SWM_CW_RESIZABLE) {
5446                 if (WIDTH(win) < 1)
5447                         WIDTH(win) = 1;
5448                 if (HEIGHT(win) < 1)
5449                         HEIGHT(win) = 1;
5450         }
5451 }
5452
5453 void
5454 update_window(struct ws_win *win)
5455 {
5456         uint16_t        mask;
5457         uint32_t        wc[5];
5458
5459         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
5460             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
5461             XCB_CONFIG_WINDOW_BORDER_WIDTH;
5462         wc[0] = X(win);
5463         wc[1] = Y(win);
5464         wc[2] = WIDTH(win);
5465         wc[3] = HEIGHT(win);
5466         wc[4] = BORDER(win);
5467
5468         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
5469             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
5470             wc[3], YESNO(win->bordered));
5471
5472         xcb_configure_window(conn, win->id, mask, wc);
5473 }
5474
5475 #define SWM_RESIZE_STEPS        (50)
5476
5477 void
5478 resize(struct ws_win *win, union arg *args)
5479 {
5480         xcb_timestamp_t         timestamp = 0;
5481         struct swm_region       *r = NULL;
5482         int                     resize_stp = 0;
5483         struct swm_geometry     g;
5484         int                     top = 0, left = 0, resizing;
5485         int                     dx, dy;
5486         xcb_cursor_t                    cursor;
5487         xcb_query_pointer_reply_t       *xpr = NULL;
5488         xcb_generic_event_t             *evt;
5489         xcb_motion_notify_event_t       *mne;
5490
5491         if (win == NULL)
5492                 return;
5493         r = win->ws->r;
5494
5495         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5496                 return;
5497
5498         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
5499             "transient: 0x%x\n", win->id, YESNO(win->floating),
5500             win->transient);
5501
5502         if (!win->transient && !win->floating)
5503                 return;
5504
5505         /* reject resizes in max mode for floaters (transient ok) */
5506         if (win->floatmaxed)
5507                 return;
5508
5509         win->manual = 1;
5510         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5511             _NET_WM_STATE_ADD);
5512
5513         stack();
5514
5515         focus_flush();
5516
5517         /* It's possible for win to have been freed during focus_flush(). */
5518         if (validate_win(win)) {
5519                 DNPRINTF(SWM_D_EVENT, "resize: invalid win.\n");
5520                 goto out;
5521         }
5522
5523         switch (args->id) {
5524         case SWM_ARG_ID_WIDTHSHRINK:
5525                 WIDTH(win) -= SWM_RESIZE_STEPS;
5526                 resize_stp = 1;
5527                 break;
5528         case SWM_ARG_ID_WIDTHGROW:
5529                 WIDTH(win) += SWM_RESIZE_STEPS;
5530                 resize_stp = 1;
5531                 break;
5532         case SWM_ARG_ID_HEIGHTSHRINK:
5533                 HEIGHT(win) -= SWM_RESIZE_STEPS;
5534                 resize_stp = 1;
5535                 break;
5536         case SWM_ARG_ID_HEIGHTGROW:
5537                 HEIGHT(win) += SWM_RESIZE_STEPS;
5538                 resize_stp = 1;
5539                 break;
5540         default:
5541                 break;
5542         }
5543         if (resize_stp) {
5544                 region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
5545                     SWM_CW_HARDBOUNDARY);
5546                 update_window(win);
5547                 store_float_geom(win);
5548                 return;
5549         }
5550
5551         region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
5552             SWM_CW_SOFTBOUNDARY);
5553         update_window(win);
5554
5555         /* get cursor offset from window root */
5556         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5557             NULL);
5558         if (!xpr)
5559                 return;
5560
5561         g = win->g;
5562
5563         if (xpr->win_x < WIDTH(win) / 2)
5564                 left = 1;
5565
5566         if (xpr->win_y < HEIGHT(win) / 2)
5567                 top = 1;
5568
5569         if (args->id == SWM_ARG_ID_CENTER)
5570                 cursor = cursors[XC_SIZING].cid;
5571         else if (top)
5572                 cursor = cursors[left ? XC_TOP_LEFT_CORNER :
5573                     XC_TOP_RIGHT_CORNER].cid;
5574         else
5575                 cursor = cursors[left ? XC_BOTTOM_LEFT_CORNER :
5576                     XC_BOTTOM_RIGHT_CORNER].cid;
5577
5578         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5579             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
5580             XCB_CURRENT_TIME),
5581
5582         xcb_flush(conn);
5583         resizing = 1;
5584         while (resizing && (evt = xcb_wait_for_event(conn))) {
5585                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5586                 case XCB_BUTTON_RELEASE:
5587                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
5588                         resizing = 0;
5589                         break;
5590                 case XCB_MOTION_NOTIFY:
5591                         mne = (xcb_motion_notify_event_t *)evt;
5592                         /* cursor offset/delta from start of the operation */
5593                         dx = mne->root_x - xpr->root_x;
5594                         dy = mne->root_y - xpr->root_y;
5595
5596                         /* vertical */
5597                         if (top)
5598                                 dy = -dy;
5599
5600                         if (args->id == SWM_ARG_ID_CENTER) {
5601                                 if (g.h / 2 + dy < 1)
5602                                         dy = 1 - g.h / 2;
5603
5604                                 Y(win) = g.y - dy;
5605                                 HEIGHT(win) = g.h + 2 * dy;
5606                         } else {
5607                                 if (g.h + dy < 1)
5608                                         dy = 1 - g.h;
5609
5610                                 if (top)
5611                                         Y(win) = g.y - dy;
5612
5613                                 HEIGHT(win) = g.h + dy;
5614                         }
5615
5616                         /* horizontal */
5617                         if (left)
5618                                 dx = -dx;
5619
5620                         if (args->id == SWM_ARG_ID_CENTER) {
5621                                 if (g.w / 2 + dx < 1)
5622                                         dx = 1 - g.w / 2;
5623
5624                                 X(win) = g.x - dx;
5625                                 WIDTH(win) = g.w + 2 * dx;
5626                         } else {
5627                                 if (g.w + dx < 1)
5628                                         dx = 1 - g.w;
5629
5630                                 if (left)
5631                                         X(win) = g.x - dx;
5632
5633                                 WIDTH(win) = g.w + dx;
5634                         }
5635
5636                         /* not free, don't sync more than 120 times / second */
5637                         if ((mne->time - timestamp) > (1000 / 120) ) {
5638                                 timestamp = mne->time;
5639                                 regionize(win, mne->root_x, mne->root_y);
5640                                 region_containment(win, r, SWM_CW_ALLSIDES |
5641                                     SWM_CW_RESIZABLE | SWM_CW_HARDBOUNDARY |
5642                                     SWM_CW_SOFTBOUNDARY);
5643                                 update_window(win);
5644                                 xcb_flush(conn);
5645                         }
5646                         break;
5647                 default:
5648                         event_handle(evt);
5649
5650                         /* It's possible for win to have been freed above. */
5651                         if (validate_win(win)) {
5652                                 DNPRINTF(SWM_D_EVENT, "resize: invalid win.\n");
5653                                 goto out;
5654                         }
5655                         break;
5656                 }
5657                 free(evt);
5658         }
5659         if (timestamp) {
5660                 region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
5661                     SWM_CW_HARDBOUNDARY | SWM_CW_SOFTBOUNDARY);
5662                 update_window(win);
5663                 xcb_flush(conn);
5664         }
5665         store_float_geom(win);
5666 out:
5667         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5668         free(xpr);
5669         DNPRINTF(SWM_D_EVENT, "resize: done.\n");
5670 }
5671
5672 void
5673 resize_step(struct swm_region *r, union arg *args)
5674 {
5675         struct ws_win           *win = NULL;
5676
5677         if (r && r->ws && r->ws->focus)
5678                 win = r->ws->focus;
5679         else
5680                 return;
5681
5682         resize(win, args);
5683         focus_flush();
5684 }
5685
5686 /* Try to set window region based on supplied coordinates or window center. */
5687 void
5688 regionize(struct ws_win *win, int x, int y)
5689 {
5690         struct swm_region *r = NULL;
5691
5692         r = region_under(win->s, x, y);
5693         if (r == NULL)
5694                 r = region_under(win->s, X(win) + WIDTH(win) / 2,
5695                     Y(win) + HEIGHT(win) / 2);
5696
5697         if (r && r != win->ws->r) {
5698                 win_to_ws(win, r->ws->idx, 0);
5699                 set_region(r);
5700         }
5701 }
5702
5703 #define SWM_MOVE_STEPS  (50)
5704
5705 void
5706 move(struct ws_win *win, union arg *args)
5707 {
5708         xcb_timestamp_t         timestamp = 0;
5709         int                     move_stp = 0, moving;
5710         struct swm_region       *r = NULL;
5711         xcb_query_pointer_reply_t       *qpr = NULL;
5712         xcb_generic_event_t             *evt;
5713         xcb_motion_notify_event_t       *mne;
5714
5715         if (win == NULL)
5716                 return;
5717         r = win->ws->r;
5718
5719         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5720                 return;
5721
5722         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
5723             "0x%x\n", win->id, YESNO(win->floating), win->transient);
5724
5725         /* in max_stack mode should only move transients */
5726         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
5727                 return;
5728
5729         if (!win->manual) {
5730                 win->manual = 1;
5731                 ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5732                     _NET_WM_STATE_ADD);
5733         }
5734
5735         /* When a stacked win is moved, float it and restack. */
5736         if (!win->floating && !win->transient) {
5737                 store_float_geom(win);
5738                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5739                     _NET_WM_STATE_ADD);
5740                 stack();
5741         }
5742
5743         focus_flush();
5744
5745         /* It's possible for win to have been freed during focus_flush(). */
5746         if (validate_win(win)) {
5747                 DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
5748                 goto out;
5749         }
5750
5751         move_stp = 0;
5752         switch (args->id) {
5753         case SWM_ARG_ID_MOVELEFT:
5754                 X(win) -= (SWM_MOVE_STEPS - border_width);
5755                 move_stp = 1;
5756                 break;
5757         case SWM_ARG_ID_MOVERIGHT:
5758                 X(win) += (SWM_MOVE_STEPS - border_width);
5759                 move_stp = 1;
5760                 break;
5761         case SWM_ARG_ID_MOVEUP:
5762                 Y(win) -= (SWM_MOVE_STEPS - border_width);
5763                 move_stp = 1;
5764                 break;
5765         case SWM_ARG_ID_MOVEDOWN:
5766                 Y(win) += (SWM_MOVE_STEPS - border_width);
5767                 move_stp = 1;
5768                 break;
5769         default:
5770                 break;
5771         }
5772         if (move_stp) {
5773                 regionize(win, -1, -1);
5774                 region_containment(win, win->ws->r, SWM_CW_ALLSIDES);
5775                 update_window(win);
5776                 store_float_geom(win);
5777                 return;
5778         }
5779
5780         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5781             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
5782             XCB_WINDOW_NONE, cursors[XC_FLEUR].cid, XCB_CURRENT_TIME);
5783
5784         /* get cursor offset from window root */
5785         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5786                 NULL);
5787         if (!qpr) {
5788                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5789                 return;
5790         }
5791
5792         regionize(win, qpr->root_x, qpr->root_y);
5793         region_containment(win, win->ws->r, SWM_CW_ALLSIDES |
5794             SWM_CW_SOFTBOUNDARY);
5795         update_window(win);
5796         xcb_flush(conn);
5797         moving = 1;
5798         while (moving && (evt = xcb_wait_for_event(conn))) {
5799                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5800                 case XCB_BUTTON_RELEASE:
5801                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
5802                         moving = 0;
5803                         break;
5804                 case XCB_MOTION_NOTIFY:
5805                         mne = (xcb_motion_notify_event_t *)evt;
5806                         DNPRINTF(SWM_D_EVENT, "motion: root: 0x%x\n", mne->root);
5807                         X(win) = mne->root_x - qpr->win_x - border_width;
5808                         Y(win) = mne->root_y - qpr->win_y - border_width;
5809
5810                         /* not free, don't sync more than 120 times / second */
5811                         if ((mne->time - timestamp) > (1000 / 120) ) {
5812                                 timestamp = mne->time;
5813                                 regionize(win, mne->root_x, mne->root_y);
5814                                 region_containment(win, win->ws->r,
5815                                     SWM_CW_ALLSIDES | SWM_CW_SOFTBOUNDARY);
5816                                 update_window(win);
5817                                 xcb_flush(conn);
5818                         }
5819                         break;
5820                 default:
5821                         event_handle(evt);
5822
5823                         /* It's possible for win to have been freed above. */
5824                         if (validate_win(win)) {
5825                                 DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
5826                                 goto out;
5827                         }
5828                         break;
5829                 }
5830                 free(evt);
5831         }
5832         if (timestamp) {
5833                 region_containment(win, win->ws->r, SWM_CW_ALLSIDES |
5834                     SWM_CW_SOFTBOUNDARY);
5835                 update_window(win);
5836                 xcb_flush(conn);
5837         }
5838         store_float_geom(win);
5839 out:
5840         free(qpr);
5841         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5842         DNPRINTF(SWM_D_EVENT, "move: done.\n");
5843 }
5844
5845 void
5846 move_step(struct swm_region *r, union arg *args)
5847 {
5848         struct ws_win           *win = NULL;
5849
5850         if (r && r->ws && r->ws->focus)
5851                 win = r->ws->focus;
5852         else
5853                 return;
5854
5855         if (!win->transient && !win->floating)
5856                 return;
5857
5858         move(win, args);
5859         focus_flush();
5860 }
5861
5862 /* key definitions */
5863 struct keyfunc {
5864         char                    name[SWM_FUNCNAME_LEN];
5865         void                    (*func)(struct swm_region *r, union arg *);
5866         union arg               args;
5867 } keyfuncs[KF_INVALID + 1] = {
5868         /* name                 function        argument */
5869         { "bar_toggle",         bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE} },
5870         { "bar_toggle_ws",      bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE_WS} },
5871         { "button2",            pressbutton,    {2} },
5872         { "cycle_layout",       cycle_layout,   {0} },
5873         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
5874         { "float_toggle",       floating_toggle,{0} },
5875         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
5876         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
5877         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
5878         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
5879         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
5880         { "iconify",            iconify,        {0} },
5881         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
5882         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
5883         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
5884         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
5885         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
5886         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
5887         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
5888         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
5889         { "mvrg_1",             send_to_rg,     {.id = 0} },
5890         { "mvrg_2",             send_to_rg,     {.id = 1} },
5891         { "mvrg_3",             send_to_rg,     {.id = 2} },
5892         { "mvrg_4",             send_to_rg,     {.id = 3} },
5893         { "mvrg_5",             send_to_rg,     {.id = 4} },
5894         { "mvrg_6",             send_to_rg,     {.id = 5} },
5895         { "mvrg_7",             send_to_rg,     {.id = 6} },
5896         { "mvrg_8",             send_to_rg,     {.id = 7} },
5897         { "mvrg_9",             send_to_rg,     {.id = 8} },
5898         { "mvws_1",             send_to_ws,     {.id = 0} },
5899         { "mvws_2",             send_to_ws,     {.id = 1} },
5900         { "mvws_3",             send_to_ws,     {.id = 2} },
5901         { "mvws_4",             send_to_ws,     {.id = 3} },
5902         { "mvws_5",             send_to_ws,     {.id = 4} },
5903         { "mvws_6",             send_to_ws,     {.id = 5} },
5904         { "mvws_7",             send_to_ws,     {.id = 6} },
5905         { "mvws_8",             send_to_ws,     {.id = 7} },
5906         { "mvws_9",             send_to_ws,     {.id = 8} },
5907         { "mvws_10",            send_to_ws,     {.id = 9} },
5908         { "mvws_11",            send_to_ws,     {.id = 10} },
5909         { "mvws_12",            send_to_ws,     {.id = 11} },
5910         { "mvws_13",            send_to_ws,     {.id = 12} },
5911         { "mvws_14",            send_to_ws,     {.id = 13} },
5912         { "mvws_15",            send_to_ws,     {.id = 14} },
5913         { "mvws_16",            send_to_ws,     {.id = 15} },
5914         { "mvws_17",            send_to_ws,     {.id = 16} },
5915         { "mvws_18",            send_to_ws,     {.id = 17} },
5916         { "mvws_19",            send_to_ws,     {.id = 18} },
5917         { "mvws_20",            send_to_ws,     {.id = 19} },
5918         { "mvws_21",            send_to_ws,     {.id = 20} },
5919         { "mvws_22",            send_to_ws,     {.id = 21} },
5920         { "name_workspace",     name_workspace, {0} },
5921         { "quit",               quit,           {0} },
5922         { "raise_toggle",       raise_toggle,   {0} },
5923         { "restart",            restart,        {0} },
5924         { "rg_1",               focusrg,        {.id = 0} },
5925         { "rg_2",               focusrg,        {.id = 1} },
5926         { "rg_3",               focusrg,        {.id = 2} },
5927         { "rg_4",               focusrg,        {.id = 3} },
5928         { "rg_5",               focusrg,        {.id = 4} },
5929         { "rg_6",               focusrg,        {.id = 5} },
5930         { "rg_7",               focusrg,        {.id = 6} },
5931         { "rg_8",               focusrg,        {.id = 7} },
5932         { "rg_9",               focusrg,        {.id = 8} },
5933         { "rg_next",            cyclerg,        {.id = SWM_ARG_ID_CYCLERG_UP} },
5934         { "rg_prev",            cyclerg,        {.id = SWM_ARG_ID_CYCLERG_DOWN} },
5935         { "screen_next",        cyclerg,        {.id = SWM_ARG_ID_CYCLERG_UP} },
5936         { "screen_prev",        cyclerg,        {.id = SWM_ARG_ID_CYCLERG_DOWN} },
5937         { "search_win",         search_win,     {0} },
5938         { "search_workspace",   search_workspace,       {0} },
5939         { "spawn_custom",       NULL,           {0} },
5940         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
5941         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
5942         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
5943         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
5944         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
5945         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
5946         { "uniconify",          uniconify,      {0} },
5947         { "version",            version,        {0} },
5948         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
5949         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
5950         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
5951         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
5952         { "ws_1",               switchws,       {.id = 0} },
5953         { "ws_2",               switchws,       {.id = 1} },
5954         { "ws_3",               switchws,       {.id = 2} },
5955         { "ws_4",               switchws,       {.id = 3} },
5956         { "ws_5",               switchws,       {.id = 4} },
5957         { "ws_6",               switchws,       {.id = 5} },
5958         { "ws_7",               switchws,       {.id = 6} },
5959         { "ws_8",               switchws,       {.id = 7} },
5960         { "ws_9",               switchws,       {.id = 8} },
5961         { "ws_10",              switchws,       {.id = 9} },
5962         { "ws_11",              switchws,       {.id = 10} },
5963         { "ws_12",              switchws,       {.id = 11} },
5964         { "ws_13",              switchws,       {.id = 12} },
5965         { "ws_14",              switchws,       {.id = 13} },
5966         { "ws_15",              switchws,       {.id = 14} },
5967         { "ws_16",              switchws,       {.id = 15} },
5968         { "ws_17",              switchws,       {.id = 16} },
5969         { "ws_18",              switchws,       {.id = 17} },
5970         { "ws_19",              switchws,       {.id = 18} },
5971         { "ws_20",              switchws,       {.id = 19} },
5972         { "ws_21",              switchws,       {.id = 20} },
5973         { "ws_22",              switchws,       {.id = 21} },
5974         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
5975         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
5976         { "ws_next_move",       cyclews,        {.id = SWM_ARG_ID_CYCLEWS_MOVE_UP} },
5977         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
5978         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
5979         { "ws_prev_move",       cyclews,        {.id = SWM_ARG_ID_CYCLEWS_MOVE_DOWN} },
5980         { "ws_prior",           priorws,        {0} },
5981         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
5982         { "invalid key func",   NULL,           {0} },
5983 };
5984
5985 int
5986 key_cmp(struct key *kp1, struct key *kp2)
5987 {
5988         if (kp1->keysym < kp2->keysym)
5989                 return (-1);
5990         if (kp1->keysym > kp2->keysym)
5991                 return (1);
5992
5993         if (kp1->mod < kp2->mod)
5994                 return (-1);
5995         if (kp1->mod > kp2->mod)
5996                 return (1);
5997
5998         return (0);
5999 }
6000
6001 /* mouse */
6002 enum { client_click, root_click };
6003 struct button {
6004         unsigned int            action;
6005         unsigned int            mask;
6006         unsigned int            button;
6007         void                    (*func)(struct ws_win *, union arg *);
6008         union arg               args;
6009 } buttons[] = {
6010 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
6011           /* action     key             mouse button    func    args */
6012         { client_click, MODKEY,         XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_DONTCENTER} },
6013         { client_click, MODKEY_SHIFT,   XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_CENTER} },
6014         { client_click, MODKEY,         XCB_BUTTON_INDEX_1,     move,   {0} },
6015 #undef MODKEY_SHIFT
6016 };
6017
6018 void
6019 update_modkey(unsigned int mod)
6020 {
6021         int                     i;
6022         struct key              *kp;
6023
6024         mod_key = mod;
6025         RB_FOREACH(kp, key_tree, &keys)
6026                 if (kp->mod & XCB_MOD_MASK_SHIFT)
6027                         kp->mod = mod | XCB_MOD_MASK_SHIFT;
6028                 else
6029                         kp->mod = mod;
6030
6031         for (i = 0; i < LENGTH(buttons); i++)
6032                 if (buttons[i].mask & XCB_MOD_MASK_SHIFT)
6033                         buttons[i].mask = mod | XCB_MOD_MASK_SHIFT;
6034                 else
6035                         buttons[i].mask = mod;
6036 }
6037
6038 int
6039 spawn_expand(struct swm_region *r, union arg *args, const char *spawn_name,
6040     char ***ret_args)
6041 {
6042         struct spawn_prog       *prog = NULL;
6043         int                     i;
6044         char                    *ap, **real_args;
6045
6046         /* suppress unused warning since var is needed */
6047         (void)args;
6048
6049         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
6050
6051         /* find program */
6052         TAILQ_FOREACH(prog, &spawns, entry) {
6053                 if (!strcasecmp(spawn_name, prog->name))
6054                         break;
6055         }
6056         if (prog == NULL) {
6057                 warnx("spawn_custom: program %s not found", spawn_name);
6058                 return (-1);
6059         }
6060
6061         /* make room for expanded args */
6062         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
6063                 err(1, "spawn_custom: calloc real_args");
6064
6065         /* expand spawn_args into real_args */
6066         for (i = 0; i < prog->argc; i++) {
6067                 ap = prog->argv[i];
6068                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
6069                 if (!strcasecmp(ap, "$bar_border")) {
6070                         if ((real_args[i] =
6071                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
6072                             == NULL)
6073                                 err(1,  "spawn_custom border color");
6074                 } else if (!strcasecmp(ap, "$bar_color")) {
6075                         if ((real_args[i] =
6076                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
6077                             == NULL)
6078                                 err(1, "spawn_custom bar color");
6079                 } else if (!strcasecmp(ap, "$bar_font")) {
6080                         if ((real_args[i] = strdup(bar_fonts))
6081                             == NULL)
6082                                 err(1, "spawn_custom bar fonts");
6083                 } else if (!strcasecmp(ap, "$bar_font_color")) {
6084                         if ((real_args[i] =
6085                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
6086                             == NULL)
6087                                 err(1, "spawn_custom color font");
6088                 } else if (!strcasecmp(ap, "$color_focus")) {
6089                         if ((real_args[i] =
6090                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
6091                             == NULL)
6092                                 err(1, "spawn_custom color focus");
6093                 } else if (!strcasecmp(ap, "$color_unfocus")) {
6094                         if ((real_args[i] =
6095                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
6096                             == NULL)
6097                                 err(1, "spawn_custom color unfocus");
6098                 } else if (!strcasecmp(ap, "$region_index")) {
6099                         if (asprintf(&real_args[i], "%d",
6100                             get_region_index(r) + 1) < 1)
6101                                 err(1, "spawn_custom region index");
6102                 } else if (!strcasecmp(ap, "$workspace_index")) {
6103                         if (asprintf(&real_args[i], "%d", r->ws->idx + 1) < 1)
6104                                 err(1, "spawn_custom workspace index");
6105                 } else {
6106                         /* no match --> copy as is */
6107                         if ((real_args[i] = strdup(ap)) == NULL)
6108                                 err(1, "spawn_custom strdup(ap)");
6109                 }
6110                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
6111                     real_args[i]);
6112         }
6113
6114 #ifdef SWM_DEBUG
6115         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
6116         for (i = 0; i < prog->argc; i++)
6117                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
6118         DNPRINTF(SWM_D_SPAWN, "\n");
6119 #endif
6120         *ret_args = real_args;
6121         return (prog->argc);
6122 }
6123
6124 void
6125 spawn_custom(struct swm_region *r, union arg *args, const char *spawn_name)
6126 {
6127         union arg               a;
6128         char                    **real_args;
6129         int                     spawn_argc, i;
6130
6131         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
6132                 return;
6133         a.argv = real_args;
6134         if (fork() == 0)
6135                 spawn(r->ws->idx, &a, 1);
6136
6137         for (i = 0; i < spawn_argc; i++)
6138                 free(real_args[i]);
6139         free(real_args);
6140 }
6141
6142 void
6143 spawn_select(struct swm_region *r, union arg *args, const char *spawn_name,
6144     int *pid)
6145 {
6146         union arg               a;
6147         char                    **real_args;
6148         int                     i, spawn_argc;
6149
6150         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
6151                 return;
6152         a.argv = real_args;
6153
6154         if (pipe(select_list_pipe) == -1)
6155                 err(1, "pipe error");
6156         if (pipe(select_resp_pipe) == -1)
6157                 err(1, "pipe error");
6158
6159         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
6160                 err(1, "could not disable SIGPIPE");
6161         switch (*pid = fork()) {
6162         case -1:
6163                 err(1, "cannot fork");
6164                 break;
6165         case 0: /* child */
6166                 if (dup2(select_list_pipe[0], STDIN_FILENO) == -1)
6167                         err(1, "dup2");
6168                 if (dup2(select_resp_pipe[1], STDOUT_FILENO) == -1)
6169                         err(1, "dup2");
6170                 close(select_list_pipe[1]);
6171                 close(select_resp_pipe[0]);
6172                 spawn(r->ws->idx, &a, 0);
6173                 break;
6174         default: /* parent */
6175                 close(select_list_pipe[0]);
6176                 close(select_resp_pipe[1]);
6177                 break;
6178         }
6179
6180         for (i = 0; i < spawn_argc; i++)
6181                 free(real_args[i]);
6182         free(real_args);
6183 }
6184
6185 void
6186 spawn_insert(const char *name, const char *args, int flags)
6187 {
6188         char                    *arg, *cp, *ptr;
6189         struct spawn_prog       *sp;
6190
6191         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
6192
6193         if ((sp = calloc(1, sizeof *sp)) == NULL)
6194                 err(1, "spawn_insert: calloc");
6195         if ((sp->name = strdup(name)) == NULL)
6196                 err(1, "spawn_insert: strdup");
6197
6198         /* convert the arguments to an argument list */
6199         if ((ptr = cp = strdup(args)) == NULL)
6200                 err(1, "spawn_insert: strdup");
6201         while ((arg = strsep(&ptr, " \t")) != NULL) {
6202                 /* empty field; skip it */
6203                 if (*arg == '\0')
6204                         continue;
6205
6206                 sp->argc++;
6207                 if ((sp->argv = realloc(sp->argv, sp->argc *
6208                     sizeof *sp->argv)) == NULL)
6209                         err(1, "spawn_insert: realloc");
6210                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
6211                         err(1, "spawn_insert: strdup");
6212         }
6213         free(cp);
6214
6215         sp->flags = flags;
6216
6217         TAILQ_INSERT_TAIL(&spawns, sp, entry);
6218         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
6219 }
6220
6221 void
6222 spawn_remove(struct spawn_prog *sp)
6223 {
6224         int                     i;
6225
6226         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
6227
6228         TAILQ_REMOVE(&spawns, sp, entry);
6229         for (i = 0; i < sp->argc; i++)
6230                 free(sp->argv[i]);
6231         free(sp->argv);
6232         free(sp->name);
6233         free(sp);
6234
6235         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
6236 }
6237
6238 void
6239 setspawn(const char *name, const char *args, int flags)
6240 {
6241         struct spawn_prog       *sp;
6242
6243         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
6244
6245         if (name == NULL)
6246                 return;
6247
6248         /* Remove any old spawn under the same name. */
6249         TAILQ_FOREACH(sp, &spawns, entry)
6250                 if (!strcmp(sp->name, name)) {
6251                         spawn_remove(sp);
6252                         break;
6253                 }
6254
6255         if (*args != '\0')
6256                 spawn_insert(name, args, flags);
6257         else
6258                 warnx("error: setspawn: cannot find program: %s", name);
6259
6260         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
6261 }
6262
6263 int
6264 setconfspawn(char *selector, char *value, int flags)
6265 {
6266         char            *args;
6267
6268         args = expand_tilde(value);
6269
6270         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, args);
6271
6272         setspawn(selector, args, flags);
6273         free(args);
6274
6275         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done.\n");
6276         return (0);
6277 }
6278
6279 void
6280 validate_spawns(void)
6281 {
6282         struct spawn_prog       *sp;
6283         char                    which[PATH_MAX];
6284         size_t                  i;
6285
6286         struct key              *kp;
6287
6288         RB_FOREACH(kp, key_tree, &keys) {
6289                 if (kp->funcid != KF_SPAWN_CUSTOM)
6290                         continue;
6291
6292                 /* find program */
6293                 TAILQ_FOREACH(sp, &spawns, entry) {
6294                         if (!strcasecmp(kp->spawn_name, sp->name))
6295                                 break;
6296                 }
6297
6298                 if (sp == NULL || sp->flags & SWM_SPAWN_OPTIONAL)
6299                         continue;
6300
6301                 /* verify we have the goods */
6302                 snprintf(which, sizeof which, "which %s", sp->argv[0]);
6303                 DNPRINTF(SWM_D_CONF, "validate_spawns: which %s\n",
6304                     sp->argv[0]);
6305                 for (i = strlen("which "); i < strlen(which); i++)
6306                         if (which[i] == ' ') {
6307                                 which[i] = '\0';
6308                                 break;
6309                         }
6310                 if (system(which) != 0)
6311                         add_startup_exception("could not find %s",
6312                             &which[strlen("which ")]);
6313         }
6314 }
6315
6316 void
6317 setup_spawn(void)
6318 {
6319         setconfspawn("lock",            "xlock",                0);
6320
6321         setconfspawn("term",            "xterm",                0);
6322         setconfspawn("spawn_term",      "xterm",                0);
6323
6324         setconfspawn("menu",            "dmenu_run"
6325                                         " -fn $bar_font"
6326                                         " -nb $bar_color"
6327                                         " -nf $bar_font_color"
6328                                         " -sb $bar_border"
6329                                         " -sf $bar_color",      0);
6330
6331         setconfspawn("search",          "dmenu"
6332                                         " -i"
6333                                         " -fn $bar_font"
6334                                         " -nb $bar_color"
6335                                         " -nf $bar_font_color"
6336                                         " -sb $bar_border"
6337                                         " -sf $bar_color",      0);
6338
6339         setconfspawn("name_workspace",  "dmenu"
6340                                         " -p Workspace"
6341                                         " -fn $bar_font"
6342                                         " -nb $bar_color"
6343                                         " -nf $bar_font_color"
6344                                         " -sb $bar_border"
6345                                         " -sf $bar_color",      0);
6346
6347          /* These are not verified for existence, even with a binding set. */
6348         setconfspawn("screenshot_all",  "screenshot.sh full",   SWM_SPAWN_OPTIONAL);
6349         setconfspawn("screenshot_wind", "screenshot.sh window", SWM_SPAWN_OPTIONAL);
6350         setconfspawn("initscr",         "initscreen.sh",        SWM_SPAWN_OPTIONAL);
6351 }
6352
6353 /* key bindings */
6354 #define SWM_MODNAME_SIZE        32
6355 #define SWM_KEY_WS              "\n+ \t"
6356 int
6357 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
6358 {
6359         char                    *cp, *name;
6360         KeySym                  uks;
6361         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
6362         if (mod == NULL || ks == NULL) {
6363                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
6364                 return (1);
6365         }
6366         if (keystr == NULL || strlen(keystr) == 0) {
6367                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
6368                 return (1);
6369         }
6370         cp = keystr;
6371         *ks = XCB_NO_SYMBOL;
6372         *mod = 0;
6373         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
6374                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
6375                 if (cp)
6376                         cp += (long)strspn(cp, SWM_KEY_WS);
6377                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
6378                         *mod |= currmod;
6379                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
6380                         *mod |= XCB_MOD_MASK_1;
6381                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
6382                         *mod += XCB_MOD_MASK_2;
6383                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
6384                         *mod |= XCB_MOD_MASK_3;
6385                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
6386                         *mod |= XCB_MOD_MASK_4;
6387                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
6388                         *mod |= XCB_MOD_MASK_SHIFT;
6389                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
6390                         *mod |= XCB_MOD_MASK_CONTROL;
6391                 else {
6392                         *ks = XStringToKeysym(name);
6393                         XConvertCase(*ks, ks, &uks);
6394                         if (ks == XCB_NO_SYMBOL) {
6395                                 DNPRINTF(SWM_D_KEY,
6396                                     "parsekeys: invalid key %s\n",
6397                                     name);
6398                                 return (1);
6399                         }
6400                 }
6401         }
6402         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
6403         return (0);
6404 }
6405
6406 char *
6407 strdupsafe(const char *str)
6408 {
6409         if (str == NULL)
6410                 return (NULL);
6411         else
6412                 return (strdup(str));
6413 }
6414
6415 void
6416 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid,
6417     const char *spawn_name)
6418 {
6419         struct key              *kp;
6420
6421         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
6422             keyfuncs[kfid].name, spawn_name);
6423
6424         if ((kp = malloc(sizeof *kp)) == NULL)
6425                 err(1, "key_insert: malloc");
6426
6427         kp->mod = mod;
6428         kp->keysym = ks;
6429         kp->funcid = kfid;
6430         kp->spawn_name = strdupsafe(spawn_name);
6431         RB_INSERT(key_tree, &keys, kp);
6432
6433         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
6434 }
6435
6436 struct key *
6437 key_lookup(unsigned int mod, KeySym ks)
6438 {
6439         struct key              kp;
6440
6441         kp.keysym = ks;
6442         kp.mod = mod;
6443
6444         return (RB_FIND(key_tree, &keys, &kp));
6445 }
6446
6447 void
6448 key_remove(struct key *kp)
6449 {
6450         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
6451
6452         RB_REMOVE(key_tree, &keys, kp);
6453         free(kp->spawn_name);
6454         free(kp);
6455
6456         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
6457 }
6458
6459 void
6460 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
6461     const char *spawn_name)
6462 {
6463         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
6464             spawn_name);
6465
6466         key_remove(kp);
6467         key_insert(mod, ks, kfid, spawn_name);
6468
6469         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
6470 }
6471
6472 void
6473 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
6474     const char *spawn_name)
6475 {
6476         struct key              *kp;
6477
6478         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
6479             keyfuncs[kfid].name, spawn_name);
6480
6481         if ((kp = key_lookup(mod, ks)) != NULL) {
6482                 if (kfid == KF_INVALID)
6483                         key_remove(kp);
6484                 else
6485                         key_replace(kp, mod, ks, kfid, spawn_name);
6486                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6487                 return;
6488         }
6489         if (kfid == KF_INVALID) {
6490                 warnx("bind: Key combination already unbound.");
6491                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6492                 return;
6493         }
6494
6495         key_insert(mod, ks, kfid, spawn_name);
6496         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6497 }
6498
6499 int
6500 setconfbinding(char *selector, char *value, int flags)
6501 {
6502         enum keyfuncid          kfid;
6503         unsigned int            mod;
6504         KeySym                  ks;
6505         struct spawn_prog       *sp;
6506
6507         /* suppress unused warning since var is needed */
6508         (void)flags;
6509
6510         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
6511         if (selector == NULL) {
6512                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
6513                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6514                         kfid = KF_INVALID;
6515                         setkeybinding(mod, ks, kfid, NULL);
6516                         return (0);
6517                 } else
6518                         return (1);
6519         }
6520         /* search by key function name */
6521         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
6522                 if (strncasecmp(selector, keyfuncs[kfid].name,
6523                     SWM_FUNCNAME_LEN) == 0) {
6524                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match "
6525                             "keyfunc\n", selector);
6526                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6527                                 setkeybinding(mod, ks, kfid, NULL);
6528                                 return (0);
6529                         } else
6530                                 return (1);
6531                 }
6532         }
6533         /* search by custom spawn name */
6534         TAILQ_FOREACH(sp, &spawns, entry) {
6535                 if (strcasecmp(selector, sp->name) == 0) {
6536                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match "
6537                             "spawn\n", selector);
6538                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6539                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
6540                                     sp->name);
6541                                 return (0);
6542                         } else
6543                                 return (1);
6544                 }
6545         }
6546         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
6547         return (1);
6548 }
6549
6550 void
6551 setup_keys(void)
6552 {
6553 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
6554         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
6555         setkeybinding(MODKEY_SHIFT,     XK_b,           KF_BAR_TOGGLE_WS,NULL);
6556         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
6557         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
6558         setkeybinding(MODKEY_SHIFT,     XK_backslash,   KF_FLIP_LAYOUT, NULL);
6559         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
6560         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
6561         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
6562         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
6563         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
6564         setkeybinding(MODKEY_SHIFT,     XK_Tab,         KF_FOCUS_PREV,  NULL);
6565         setkeybinding(MODKEY_SHIFT,     XK_equal,       KF_HEIGHT_GROW,NULL);
6566         setkeybinding(MODKEY_SHIFT,     XK_minus,       KF_HEIGHT_SHRINK,NULL);
6567         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
6568         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
6569         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
6570         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
6571         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
6572         setkeybinding(MODKEY_SHIFT,     XK_bracketright,KF_MOVE_DOWN,NULL);
6573         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
6574         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
6575         setkeybinding(MODKEY_SHIFT,     XK_bracketleft, KF_MOVE_UP,     NULL);
6576         setkeybinding(MODKEY_SHIFT,     XK_KP_End,      KF_MVRG_1,      NULL);
6577         setkeybinding(MODKEY_SHIFT,     XK_KP_Down,     KF_MVRG_2,      NULL);
6578         setkeybinding(MODKEY_SHIFT,     XK_KP_Next,     KF_MVRG_3,      NULL);
6579         setkeybinding(MODKEY_SHIFT,     XK_KP_Left,     KF_MVRG_4,      NULL);
6580         setkeybinding(MODKEY_SHIFT,     XK_KP_Begin,    KF_MVRG_5,      NULL);
6581         setkeybinding(MODKEY_SHIFT,     XK_KP_Right,    KF_MVRG_6,      NULL);
6582         setkeybinding(MODKEY_SHIFT,     XK_KP_Home,     KF_MVRG_7,      NULL);
6583         setkeybinding(MODKEY_SHIFT,     XK_KP_Up,       KF_MVRG_8,      NULL);
6584         setkeybinding(MODKEY_SHIFT,     XK_KP_Prior,    KF_MVRG_9,      NULL);
6585         setkeybinding(MODKEY_SHIFT,     XK_1,           KF_MVWS_1,      NULL);
6586         setkeybinding(MODKEY_SHIFT,     XK_2,           KF_MVWS_2,      NULL);
6587         setkeybinding(MODKEY_SHIFT,     XK_3,           KF_MVWS_3,      NULL);
6588         setkeybinding(MODKEY_SHIFT,     XK_4,           KF_MVWS_4,      NULL);
6589         setkeybinding(MODKEY_SHIFT,     XK_5,           KF_MVWS_5,      NULL);
6590         setkeybinding(MODKEY_SHIFT,     XK_6,           KF_MVWS_6,      NULL);
6591         setkeybinding(MODKEY_SHIFT,     XK_7,           KF_MVWS_7,      NULL);
6592         setkeybinding(MODKEY_SHIFT,     XK_8,           KF_MVWS_8,      NULL);
6593         setkeybinding(MODKEY_SHIFT,     XK_9,           KF_MVWS_9,      NULL);
6594         setkeybinding(MODKEY_SHIFT,     XK_0,           KF_MVWS_10,     NULL);
6595         setkeybinding(MODKEY_SHIFT,     XK_F1,          KF_MVWS_11,     NULL);
6596         setkeybinding(MODKEY_SHIFT,     XK_F2,          KF_MVWS_12,     NULL);
6597         setkeybinding(MODKEY_SHIFT,     XK_F3,          KF_MVWS_13,     NULL);
6598         setkeybinding(MODKEY_SHIFT,     XK_F4,          KF_MVWS_14,     NULL);
6599         setkeybinding(MODKEY_SHIFT,     XK_F5,          KF_MVWS_15,     NULL);
6600         setkeybinding(MODKEY_SHIFT,     XK_F6,          KF_MVWS_16,     NULL);
6601         setkeybinding(MODKEY_SHIFT,     XK_F7,          KF_MVWS_17,     NULL);
6602         setkeybinding(MODKEY_SHIFT,     XK_F8,          KF_MVWS_18,     NULL);
6603         setkeybinding(MODKEY_SHIFT,     XK_F9,          KF_MVWS_19,     NULL);
6604         setkeybinding(MODKEY_SHIFT,     XK_F10,         KF_MVWS_20,     NULL);
6605         setkeybinding(MODKEY_SHIFT,     XK_F11,         KF_MVWS_21,     NULL);
6606         setkeybinding(MODKEY_SHIFT,     XK_F12,         KF_MVWS_22,     NULL);
6607         setkeybinding(MODKEY_SHIFT,     XK_slash,       KF_NAME_WORKSPACE,NULL);
6608         setkeybinding(MODKEY_SHIFT,     XK_q,           KF_QUIT,        NULL);
6609         setkeybinding(MODKEY_SHIFT,     XK_r,           KF_RAISE_TOGGLE,NULL);
6610         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
6611         setkeybinding(MODKEY,           XK_KP_End,      KF_RG_1,        NULL);
6612         setkeybinding(MODKEY,           XK_KP_Down,     KF_RG_2,        NULL);
6613         setkeybinding(MODKEY,           XK_KP_Next,     KF_RG_3,        NULL);
6614         setkeybinding(MODKEY,           XK_KP_Left,     KF_RG_4,        NULL);
6615         setkeybinding(MODKEY,           XK_KP_Begin,    KF_RG_5,        NULL);
6616         setkeybinding(MODKEY,           XK_KP_Right,    KF_RG_6,        NULL);
6617         setkeybinding(MODKEY,           XK_KP_Home,     KF_RG_7,        NULL);
6618         setkeybinding(MODKEY,           XK_KP_Up,       KF_RG_8,        NULL);
6619         setkeybinding(MODKEY,           XK_KP_Prior,    KF_RG_9,        NULL);
6620         setkeybinding(MODKEY_SHIFT,     XK_Right,       KF_RG_NEXT,     NULL);
6621         setkeybinding(MODKEY_SHIFT,     XK_Left,        KF_RG_PREV,     NULL);
6622         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
6623         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
6624         setkeybinding(MODKEY_SHIFT,     XK_i,           KF_SPAWN_CUSTOM,"initscr");
6625         setkeybinding(MODKEY_SHIFT,     XK_Delete,      KF_SPAWN_CUSTOM,"lock");
6626         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
6627         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
6628         setkeybinding(MODKEY_SHIFT,     XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
6629         setkeybinding(MODKEY_SHIFT,     XK_Return,      KF_SPAWN_CUSTOM,"term");
6630         setkeybinding(MODKEY_SHIFT,     XK_comma,       KF_STACK_INC,   NULL);
6631         setkeybinding(MODKEY_SHIFT,     XK_period,      KF_STACK_DEC,   NULL);
6632         setkeybinding(MODKEY_SHIFT,     XK_space,       KF_STACK_RESET, NULL);
6633         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
6634         setkeybinding(MODKEY_SHIFT,     XK_j,           KF_SWAP_NEXT,   NULL);
6635         setkeybinding(MODKEY_SHIFT,     XK_k,           KF_SWAP_PREV,   NULL);
6636         setkeybinding(MODKEY_SHIFT,     XK_w,           KF_UNICONIFY,   NULL);
6637         setkeybinding(MODKEY_SHIFT,     XK_v,           KF_VERSION,     NULL);
6638         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
6639         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
6640         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
6641         setkeybinding(MODKEY_SHIFT,     XK_x,           KF_WIND_KILL,   NULL);
6642         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
6643         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
6644         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
6645         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
6646         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
6647         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
6648         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
6649         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
6650         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
6651         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
6652         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
6653         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
6654         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
6655         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
6656         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
6657         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
6658         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
6659         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
6660         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
6661         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
6662         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
6663         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
6664         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
6665         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
6666         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
6667         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
6668         setkeybinding(MODKEY_SHIFT,     XK_Up,          KF_WS_NEXT_MOVE,NULL);
6669         setkeybinding(MODKEY_SHIFT,     XK_Down,        KF_WS_PREV_MOVE,NULL);
6670         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
6671 #ifdef SWM_DEBUG
6672         setkeybinding(MODKEY_SHIFT,     XK_d,           KF_DUMPWINS,    NULL);
6673 #endif
6674 #undef MODKEY_SHIFT
6675 }
6676
6677 void
6678 clear_keys(void)
6679 {
6680         struct key              *kp;
6681
6682         while (RB_EMPTY(&keys) == 0) {
6683                 kp = RB_ROOT(&keys);
6684                 key_remove(kp);
6685         }
6686 }
6687
6688 int
6689 setkeymapping(char *selector, char *value, int flags)
6690 {
6691         char                    *keymapping_file;
6692
6693         /* suppress unused warnings since vars are needed */
6694         (void)selector;
6695         (void)flags;
6696
6697         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
6698
6699         keymapping_file = expand_tilde(value);
6700
6701         clear_keys();
6702         /* load new key bindings; if it fails, revert to default bindings */
6703         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
6704                 clear_keys();
6705                 setup_keys();
6706         }
6707
6708         free(keymapping_file);
6709
6710         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
6711         return (0);
6712 }
6713
6714 void
6715 updatenumlockmask(void)
6716 {
6717         unsigned int                            i, j;
6718         xcb_get_modifier_mapping_reply_t        *modmap_r;
6719         xcb_keycode_t                           *modmap, kc, *keycode;
6720
6721         numlockmask = 0;
6722
6723         modmap_r = xcb_get_modifier_mapping_reply(conn,
6724             xcb_get_modifier_mapping(conn),
6725             NULL);
6726         if (modmap_r) {
6727                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
6728                 for (i = 0; i < 8; i++) {
6729                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
6730                                 kc = modmap[i * modmap_r->keycodes_per_modifier
6731                                     + j];
6732                                 keycode = xcb_key_symbols_get_keycode(syms,
6733                                                 XK_Num_Lock);
6734                                 if (kc == *keycode)
6735                                         numlockmask = (1 << i);
6736                                 free(keycode);
6737                         }
6738                 }
6739                 free(modmap_r);
6740         }
6741         DNPRINTF(SWM_D_MISC, "updatenumlockmask: %d\n", numlockmask);
6742 }
6743
6744 void
6745 grabkeys(void)
6746 {
6747         struct key              *kp;
6748         int                     num_screens, k, j;
6749         unsigned int            modifiers[4];
6750         xcb_keycode_t           *code;
6751
6752         DNPRINTF(SWM_D_MISC, "grabkeys\n");
6753         updatenumlockmask();
6754
6755         modifiers[0] = 0;
6756         modifiers[1] = numlockmask;
6757         modifiers[2] = XCB_MOD_MASK_LOCK;
6758         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6759
6760         num_screens = get_screen_count();
6761         for (k = 0; k < num_screens; k++) {
6762                 if (TAILQ_EMPTY(&screens[k].rl))
6763                         continue;
6764                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
6765                         XCB_MOD_MASK_ANY);
6766                 RB_FOREACH(kp, key_tree, &keys) {
6767                         /* Skip unused ws binds. */
6768                         if ((int)kp->funcid > KF_WS_1 + workspace_limit - 1 &&
6769                             kp->funcid <= KF_WS_22)
6770                                 continue;
6771
6772                         /* Skip unused mvws binds. */
6773                         if ((int)kp->funcid > KF_MVWS_1 + workspace_limit - 1 &&
6774                             kp->funcid <= KF_MVWS_22)
6775                                 continue;
6776
6777                         if ((code = xcb_key_symbols_get_keycode(syms,
6778                                         kp->keysym))) {
6779                                 for (j = 0; j < LENGTH(modifiers); j++)
6780                                         xcb_grab_key(conn, 1,
6781                                             screens[k].root,
6782                                             kp->mod | modifiers[j],
6783                                             *code, XCB_GRAB_MODE_SYNC,
6784                                             XCB_GRAB_MODE_SYNC);
6785                                 free(code);
6786                         }
6787                 }
6788         }
6789 }
6790
6791 void
6792 grabbuttons(struct ws_win *win)
6793 {
6794         unsigned int    modifiers[4];
6795         int             i, j;
6796
6797         DNPRINTF(SWM_D_MOUSE, "grabbuttons: win 0x%x\n", win->id);
6798         updatenumlockmask();
6799
6800         modifiers[0] = 0;
6801         modifiers[1] = numlockmask;
6802         modifiers[2] = XCB_MOD_MASK_LOCK;
6803         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6804
6805         for (i = 0; i < LENGTH(buttons); i++)
6806                 if (buttons[i].action == client_click)
6807                         for (j = 0; j < LENGTH(modifiers); ++j)
6808                                 xcb_grab_button(conn, 0, win->id, BUTTONMASK,
6809                                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC,
6810                                     XCB_WINDOW_NONE, XCB_CURSOR_NONE,
6811                                     buttons[i].button, buttons[i].mask |
6812                                     modifiers[j]);
6813 }
6814
6815 const char *quirkname[] = {
6816         "NONE",         /* config string for "no value" */
6817         "FLOAT",
6818         "TRANSSZ",
6819         "ANYWHERE",
6820         "XTERM_FONTADJ",
6821         "FULLSCREEN",
6822         "FOCUSPREV",
6823         "NOFOCUSONMAP",
6824         "FOCUSONMAP_SINGLE",
6825 };
6826
6827 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
6828 #define SWM_Q_WS                "\n|+ \t"
6829 int
6830 parsequirks(char *qstr, unsigned long *quirk)
6831 {
6832         char                    *cp, *name;
6833         int                     i;
6834
6835         if (quirk == NULL)
6836                 return (1);
6837
6838         cp = qstr;
6839         *quirk = 0;
6840         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
6841                 if (cp)
6842                         cp += (long)strspn(cp, SWM_Q_WS);
6843                 for (i = 0; i < LENGTH(quirkname); i++) {
6844                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
6845                                 DNPRINTF(SWM_D_QUIRK,
6846                                     "parsequirks: %s\n", name);
6847                                 if (i == 0) {
6848                                         *quirk = 0;
6849                                         return (0);
6850                                 }
6851                                 *quirk |= 1 << (i-1);
6852                                 break;
6853                         }
6854                 }
6855                 if (i >= LENGTH(quirkname)) {
6856                         DNPRINTF(SWM_D_QUIRK,
6857                             "parsequirks: invalid quirk [%s]\n", name);
6858                         return (1);
6859                 }
6860         }
6861         return (0);
6862 }
6863
6864 void
6865 quirk_insert(const char *class, const char *name, unsigned long quirk)
6866 {
6867         struct quirk            *qp;
6868
6869         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
6870             quirk);
6871
6872         if ((qp = malloc(sizeof *qp)) == NULL)
6873                 err(1, "quirk_insert: malloc");
6874         if ((qp->class = strdup(class)) == NULL)
6875                 err(1, "quirk_insert: strdup");
6876         if ((qp->name = strdup(name)) == NULL)
6877                 err(1, "quirk_insert: strdup");
6878
6879         qp->quirk = quirk;
6880         TAILQ_INSERT_TAIL(&quirks, qp, entry);
6881
6882         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
6883 }
6884
6885 void
6886 quirk_remove(struct quirk *qp)
6887 {
6888         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
6889             qp->name, qp->quirk);
6890
6891         TAILQ_REMOVE(&quirks, qp, entry);
6892         free(qp->class);
6893         free(qp->name);
6894         free(qp);
6895
6896         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
6897 }
6898
6899 void
6900 quirk_replace(struct quirk *qp, const char *class, const char *name,
6901     unsigned long quirk)
6902 {
6903         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
6904             qp->name, qp->quirk);
6905
6906         quirk_remove(qp);
6907         quirk_insert(class, name, quirk);
6908
6909         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
6910 }
6911
6912 void
6913 setquirk(const char *class, const char *name, unsigned long quirk)
6914 {
6915         struct quirk            *qp;
6916
6917         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
6918            quirk);
6919
6920         /* Remove/replace existing quirk. */
6921         TAILQ_FOREACH(qp, &quirks, entry) {
6922                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
6923                         if (!quirk)
6924                                 quirk_remove(qp);
6925                         else
6926                                 quirk_replace(qp, class, name, quirk);
6927                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6928                         return;
6929                 }
6930         }
6931
6932         /* Only insert if quirk is not NONE. */
6933         if (quirk)
6934                 quirk_insert(class, name, quirk);
6935
6936         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6937 }
6938
6939 int
6940 setconfquirk(char *selector, char *value, int flags)
6941 {
6942         char                    *cp, *class, *name;
6943         int                     retval;
6944         unsigned long           qrks;
6945
6946         /* suppress unused warning since var is needed */
6947         (void)flags;
6948
6949         if (selector == NULL)
6950                 return (0);
6951         if ((cp = strchr(selector, ':')) == NULL)
6952                 return (0);
6953         *cp = '\0';
6954         class = selector;
6955         name = cp + 1;
6956         if ((retval = parsequirks(value, &qrks)) == 0)
6957                 setquirk(class, name, qrks);
6958         return (retval);
6959 }
6960
6961 void
6962 setup_quirks(void)
6963 {
6964         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
6965         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
6966         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
6967         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
6968         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6969         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
6970         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6971         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6972         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6973         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6974         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
6975         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
6976         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
6977 }
6978
6979 /* conf file stuff */
6980 #define SWM_CONF_FILE           "spectrwm.conf"
6981 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
6982
6983 enum {
6984         SWM_S_BAR_ACTION,
6985         SWM_S_BAR_AT_BOTTOM,
6986         SWM_S_BAR_BORDER_WIDTH,
6987         SWM_S_BAR_DELAY,
6988         SWM_S_BAR_ENABLED,
6989         SWM_S_BAR_ENABLED_WS,
6990         SWM_S_BAR_FONT,
6991         SWM_S_BAR_FORMAT,
6992         SWM_S_BAR_JUSTIFY,
6993         SWM_S_BORDER_WIDTH,
6994         SWM_S_BOUNDARY_WIDTH,
6995         SWM_S_CLOCK_ENABLED,
6996         SWM_S_CLOCK_FORMAT,
6997         SWM_S_CYCLE_EMPTY,
6998         SWM_S_CYCLE_VISIBLE,
6999         SWM_S_DIALOG_RATIO,
7000         SWM_S_DISABLE_BORDER,
7001         SWM_S_FOCUS_CLOSE,
7002         SWM_S_FOCUS_CLOSE_WRAP,
7003         SWM_S_FOCUS_DEFAULT,
7004         SWM_S_FOCUS_MODE,
7005         SWM_S_REGION_PADDING,
7006         SWM_S_SPAWN_ORDER,
7007         SWM_S_SPAWN_TERM,
7008         SWM_S_SS_APP,
7009         SWM_S_SS_ENABLED,
7010         SWM_S_STACK_ENABLED,
7011         SWM_S_TERM_WIDTH,
7012         SWM_S_TILE_GAP,
7013         SWM_S_TITLE_CLASS_ENABLED,
7014         SWM_S_TITLE_NAME_ENABLED,
7015         SWM_S_URGENT_ENABLED,
7016         SWM_S_VERBOSE_LAYOUT,
7017         SWM_S_WINDOW_NAME_ENABLED,
7018         SWM_S_WORKSPACE_LIMIT
7019 };
7020
7021 int
7022 setconfvalue(char *selector, char *value, int flags)
7023 {
7024         struct workspace        *ws;
7025         int                     i, ws_id, num_screens;
7026         char                    *b;
7027
7028         /* suppress unused warning since var is needed */
7029         (void)selector;
7030
7031         switch (flags) {
7032         case SWM_S_BAR_ACTION:
7033                 free(bar_argv[0]);
7034                 if ((bar_argv[0] = expand_tilde(value)) == NULL)
7035                         err(1, "setconfvalue: bar_action");
7036                 break;
7037         case SWM_S_BAR_AT_BOTTOM:
7038                 bar_at_bottom = atoi(value);
7039                 break;
7040         case SWM_S_BAR_BORDER_WIDTH:
7041                 bar_border_width = atoi(value);
7042                 if (bar_border_width < 0)
7043                         bar_border_width = 0;
7044                 break;
7045         case SWM_S_BAR_DELAY:
7046                 /* No longer needed; leave to not break old conf files. */
7047                 break;
7048         case SWM_S_BAR_ENABLED:
7049                 bar_enabled = atoi(value);
7050                 break;
7051         case SWM_S_BAR_ENABLED_WS:
7052                 ws_id = atoi(selector) - 1;
7053                 if (ws_id < 0 || ws_id >= workspace_limit)
7054                         errx(1, "setconfvalue: bar_enabled_ws: invalid "
7055                             "workspace %d.", ws_id + 1);
7056
7057                 num_screens = get_screen_count();
7058                 for (i = 0; i < num_screens; i++) {
7059                         ws = (struct workspace *)&screens[i].ws;
7060                         ws[ws_id].bar_enabled = atoi(value);
7061                 }
7062                 break;
7063         case SWM_S_BAR_FONT:
7064                 b = bar_fonts;
7065                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
7066                         err(1, "setconfvalue: asprintf: failed to allocate "
7067                                 "memory for bar_fonts.");
7068                 free(b);
7069
7070                 /* If already in xft mode, then we are done. */
7071                 if (!bar_font_legacy)
7072                         break;
7073
7074                 /* If there are any non-XLFD entries, switch to Xft mode. */
7075                 while ((b = strsep(&value, ",")) != NULL) {
7076                         if (*b == '\0')
7077                                 continue;
7078                         if (!isxlfd(b)) {
7079                                 bar_font_legacy = 0;
7080                                 break;
7081                         }
7082                 }
7083                 break;
7084         case SWM_S_BAR_FORMAT:
7085                 free(bar_format);
7086                 if ((bar_format = strdup(value)) == NULL)
7087                         err(1, "setconfvalue: bar_format");
7088                 break;
7089         case SWM_S_BAR_JUSTIFY:
7090                 if (!strcmp(value, "left"))
7091                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
7092                 else if (!strcmp(value, "center"))
7093                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
7094                 else if (!strcmp(value, "right"))
7095                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
7096                 else
7097                         errx(1, "invalid bar_justify");
7098                 break;
7099         case SWM_S_BORDER_WIDTH:
7100                 border_width = atoi(value);
7101                 if (border_width < 0)
7102                         border_width = 0;
7103                 break;
7104         case SWM_S_BOUNDARY_WIDTH:
7105                 boundary_width = atoi(value);
7106                 if (boundary_width < 0)
7107                         boundary_width = 0;
7108                 break;
7109         case SWM_S_CLOCK_ENABLED:
7110                 clock_enabled = atoi(value);
7111                 break;
7112         case SWM_S_CLOCK_FORMAT:
7113 #ifndef SWM_DENY_CLOCK_FORMAT
7114                 free(clock_format);
7115                 if ((clock_format = strdup(value)) == NULL)
7116                         err(1, "setconfvalue: clock_format");
7117 #endif
7118                 break;
7119         case SWM_S_CYCLE_EMPTY:
7120                 cycle_empty = atoi(value);
7121                 break;
7122         case SWM_S_CYCLE_VISIBLE:
7123                 cycle_visible = atoi(value);
7124                 break;
7125         case SWM_S_DIALOG_RATIO:
7126                 dialog_ratio = atof(value);
7127                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
7128                         dialog_ratio = .6;
7129                 break;
7130         case SWM_S_DISABLE_BORDER:
7131                 disable_border = atoi(value);
7132                 break;
7133         case SWM_S_FOCUS_CLOSE:
7134                 if (!strcmp(value, "first"))
7135                         focus_close = SWM_STACK_BOTTOM;
7136                 else if (!strcmp(value, "last"))
7137                         focus_close = SWM_STACK_TOP;
7138                 else if (!strcmp(value, "next"))
7139                         focus_close = SWM_STACK_ABOVE;
7140                 else if (!strcmp(value, "previous"))
7141                         focus_close = SWM_STACK_BELOW;
7142                 else
7143                         errx(1, "focus_close");
7144                 break;
7145         case SWM_S_FOCUS_CLOSE_WRAP:
7146                 focus_close_wrap = atoi(value);
7147                 break;
7148         case SWM_S_FOCUS_DEFAULT:
7149                 if (!strcmp(value, "last"))
7150                         focus_default = SWM_STACK_TOP;
7151                 else if (!strcmp(value, "first"))
7152                         focus_default = SWM_STACK_BOTTOM;
7153                 else
7154                         errx(1, "focus_default");
7155                 break;
7156         case SWM_S_FOCUS_MODE:
7157                 if (!strcmp(value, "default"))
7158                         focus_mode = SWM_FOCUS_DEFAULT;
7159                 else if (!strcmp(value, "follow") ||
7160                     !strcmp(value, "follow_cursor"))
7161                         focus_mode = SWM_FOCUS_FOLLOW;
7162                 else if (!strcmp(value, "manual"))
7163                         focus_mode = SWM_FOCUS_MANUAL;
7164                 else
7165                         errx(1, "focus_mode");
7166                 break;
7167         case SWM_S_REGION_PADDING:
7168                 region_padding = atoi(value);
7169                 if (region_padding < 0)
7170                         region_padding = 0;
7171                 break;
7172         case SWM_S_SPAWN_ORDER:
7173                 if (!strcmp(value, "first"))
7174                         spawn_position = SWM_STACK_BOTTOM;
7175                 else if (!strcmp(value, "last"))
7176                         spawn_position = SWM_STACK_TOP;
7177                 else if (!strcmp(value, "next"))
7178                         spawn_position = SWM_STACK_ABOVE;
7179                 else if (!strcmp(value, "previous"))
7180                         spawn_position = SWM_STACK_BELOW;
7181                 else
7182                         errx(1, "spawn_position");
7183                 break;
7184         case SWM_S_SPAWN_TERM:
7185                 setconfspawn("term", value, 0);
7186                 setconfspawn("spawn_term", value, 0);
7187                 break;
7188         case SWM_S_SS_APP:
7189                 /* No longer needed; leave to not break old conf files. */
7190                 break;
7191         case SWM_S_SS_ENABLED:
7192                 /* No longer needed; leave to not break old conf files. */
7193                 break;
7194         case SWM_S_STACK_ENABLED:
7195                 stack_enabled = atoi(value);
7196                 break;
7197         case SWM_S_TERM_WIDTH:
7198                 term_width = atoi(value);
7199                 if (term_width < 0)
7200                         term_width = 0;
7201                 break;
7202         case SWM_S_TILE_GAP:
7203                 tile_gap = atoi(value);
7204                 break;
7205         case SWM_S_TITLE_CLASS_ENABLED:
7206                 title_class_enabled = atoi(value);
7207                 break;
7208         case SWM_S_TITLE_NAME_ENABLED:
7209                 title_name_enabled = atoi(value);
7210                 break;
7211         case SWM_S_URGENT_ENABLED:
7212                 urgent_enabled = atoi(value);
7213                 break;
7214         case SWM_S_VERBOSE_LAYOUT:
7215                 verbose_layout = atoi(value);
7216                 for (i = 0; layouts[i].l_stack != NULL; i++) {
7217                         if (verbose_layout)
7218                                 layouts[i].l_string = fancy_stacker;
7219                         else
7220                                 layouts[i].l_string = plain_stacker;
7221                 }
7222                 break;
7223         case SWM_S_WINDOW_NAME_ENABLED:
7224                 window_name_enabled = atoi(value);
7225                 break;
7226         case SWM_S_WORKSPACE_LIMIT:
7227                 workspace_limit = atoi(value);
7228                 if (workspace_limit > SWM_WS_MAX)
7229                         workspace_limit = SWM_WS_MAX;
7230                 else if (workspace_limit < 1)
7231                         workspace_limit = 1;
7232                 break;
7233         default:
7234                 return (1);
7235         }
7236         return (0);
7237 }
7238
7239 int
7240 setconfmodkey(char *selector, char *value, int flags)
7241 {
7242         /* suppress unused warnings since vars are needed */
7243         (void)selector;
7244         (void)flags;
7245
7246         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
7247                 update_modkey(XCB_MOD_MASK_1);
7248         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
7249                 update_modkey(XCB_MOD_MASK_2);
7250         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
7251                 update_modkey(XCB_MOD_MASK_3);
7252         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
7253                 update_modkey(XCB_MOD_MASK_4);
7254         else
7255                 return (1);
7256         return (0);
7257 }
7258
7259 int
7260 setconfcolor(char *selector, char *value, int flags)
7261 {
7262         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
7263         return (0);
7264 }
7265
7266 int
7267 setconfregion(char *selector, char *value, int flags)
7268 {
7269         /* suppress unused warnings since vars are needed */
7270         (void)selector;
7271         (void)flags;
7272
7273         custom_region(value);
7274         return (0);
7275 }
7276
7277 int
7278 setautorun(char *selector, char *value, int flags)
7279 {
7280         int                     ws_id;
7281         char                    s[1024];
7282         char                    *ap, *sp;
7283         union arg               a;
7284         int                     argc = 0;
7285         pid_t                   pid;
7286         struct pid_e            *p;
7287
7288         /* suppress unused warnings since vars are needed */
7289         (void)selector;
7290         (void)flags;
7291
7292         if (getenv("SWM_STARTED"))
7293                 return (0);
7294
7295         bzero(s, sizeof s);
7296         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
7297                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
7298         ws_id--;
7299         if (ws_id < 0 || ws_id >= workspace_limit)
7300                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
7301
7302         sp = expand_tilde((char *)&s);
7303
7304         /*
7305          * This is a little intricate
7306          *
7307          * If the pid already exists we simply reuse it because it means it was
7308          * used before AND not claimed by manage_window.  We get away with
7309          * altering it in the parent after INSERT because this can not be a race
7310          */
7311         a.argv = NULL;
7312         while ((ap = strsep(&sp, " \t")) != NULL) {
7313                 if (*ap == '\0')
7314                         continue;
7315                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
7316                 argc++;
7317                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
7318                         err(1, "setautorun: realloc");
7319                 a.argv[argc - 1] = ap;
7320         }
7321         free(sp);
7322
7323         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
7324                 err(1, "setautorun: realloc");
7325         a.argv[argc] = NULL;
7326
7327         if ((pid = fork()) == 0) {
7328                 spawn(ws_id, &a, 1);
7329                 /* NOTREACHED */
7330                 _exit(1);
7331         }
7332         free(a.argv);
7333
7334         /* parent */
7335         p = find_pid(pid);
7336         if (p == NULL) {
7337                 p = calloc(1, sizeof *p);
7338                 if (p == NULL)
7339                         return (1);
7340                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
7341         }
7342
7343         p->pid = pid;
7344         p->ws = ws_id;
7345
7346         return (0);
7347 }
7348
7349 int
7350 setlayout(char *selector, char *value, int flags)
7351 {
7352         int                     ws_id, i, x, mg, ma, si, ar, f = 0;
7353         int                     st = SWM_V_STACK, num_screens;
7354         char                    s[1024];
7355         struct workspace        *ws;
7356
7357         /* suppress unused warnings since vars are needed */
7358         (void)selector;
7359         (void)flags;
7360
7361         if (getenv("SWM_STARTED"))
7362                 return (0);
7363
7364         bzero(s, sizeof s);
7365         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
7366             &ws_id, &mg, &ma, &si, &ar, s) != 6)
7367                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
7368                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
7369                     "<type>'");
7370         ws_id--;
7371         if (ws_id < 0 || ws_id >= workspace_limit)
7372                 errx(1, "layout: invalid workspace %d", ws_id + 1);
7373
7374         if (!strcasecmp(s, "vertical"))
7375                 st = SWM_V_STACK;
7376         else if (!strcasecmp(s, "vertical_flip")) {
7377                 st = SWM_V_STACK;
7378                 f = 1;
7379         } else if (!strcasecmp(s, "horizontal"))
7380                 st = SWM_H_STACK;
7381         else if (!strcasecmp(s, "horizontal_flip")) {
7382                 st = SWM_H_STACK;
7383                 f = 1;
7384         } else if (!strcasecmp(s, "fullscreen"))
7385                 st = SWM_MAX_STACK;
7386         else
7387                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
7388                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
7389                     "<type>'");
7390
7391         num_screens = get_screen_count();
7392         for (i = 0; i < num_screens; i++) {
7393                 ws = (struct workspace *)&screens[i].ws;
7394                 ws[ws_id].cur_layout = &layouts[st];
7395
7396                 ws[ws_id].always_raise = ar;
7397                 if (st == SWM_MAX_STACK)
7398                         continue;
7399
7400                 /* master grow */
7401                 for (x = 0; x < abs(mg); x++) {
7402                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7403                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
7404                             SWM_ARG_ID_MASTERSHRINK);
7405                         stack();
7406                 }
7407                 /* master add */
7408                 for (x = 0; x < abs(ma); x++) {
7409                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7410                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
7411                             SWM_ARG_ID_MASTERDEL);
7412                         stack();
7413                 }
7414                 /* stack inc */
7415                 for (x = 0; x < abs(si); x++) {
7416                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7417                             si >= 0 ?  SWM_ARG_ID_STACKINC :
7418                             SWM_ARG_ID_STACKDEC);
7419                         stack();
7420                 }
7421                 /* Apply flip */
7422                 if (f) {
7423                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7424                             SWM_ARG_ID_FLIPLAYOUT);
7425                         stack();
7426                 }
7427         }
7428
7429         focus_flush();
7430
7431         return (0);
7432 }
7433
7434 /* config options */
7435 struct config_option {
7436         char                    *optname;
7437         int                     (*func)(char*, char*, int);
7438         int                     funcflags;
7439 };
7440 struct config_option configopt[] = {
7441         { "autorun",                    setautorun,     0 },
7442         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
7443         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
7444         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
7445         { "bar_border_unfocus",         setconfcolor,   SWM_S_COLOR_BAR_BORDER_UNFOCUS },
7446         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
7447         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
7448         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
7449         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
7450         { "bar_enabled_ws",             setconfvalue,   SWM_S_BAR_ENABLED_WS },
7451         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
7452         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
7453         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
7454         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
7455         { "bind",                       setconfbinding, 0 },
7456         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
7457         { "boundary_width",             setconfvalue,   SWM_S_BOUNDARY_WIDTH },
7458         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
7459         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
7460         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
7461         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
7462         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
7463         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
7464         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
7465         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
7466         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
7467         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
7468         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
7469         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
7470         { "keyboard_mapping",           setkeymapping,  0 },
7471         { "layout",                     setlayout,      0 },
7472         { "modkey",                     setconfmodkey,  0 },
7473         { "program",                    setconfspawn,   0 },
7474         { "quirk",                      setconfquirk,   0 },
7475         { "region",                     setconfregion,  0 },
7476         { "region_padding",             setconfvalue,   SWM_S_REGION_PADDING },
7477         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
7478         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
7479         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
7480         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
7481         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
7482         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
7483         { "tile_gap",                   setconfvalue,   SWM_S_TILE_GAP },
7484         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
7485         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
7486         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
7487         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
7488         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
7489         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
7490 };
7491
7492 void
7493 _add_startup_exception(const char *fmt, va_list ap)
7494 {
7495         if (vasprintf(&startup_exception, fmt, ap) == -1)
7496                 warn("%s: asprintf", __func__);
7497 }
7498
7499 void
7500 add_startup_exception(const char *fmt, ...)
7501 {
7502         va_list ap;
7503
7504         nr_exceptions++;
7505
7506         if (startup_exception)
7507                 return;
7508
7509         /* force bar to be enabled due to exception */
7510         bar_enabled = 1;
7511
7512         va_start(ap, fmt);
7513         _add_startup_exception(fmt, ap);
7514         va_end(ap);
7515 }
7516
7517 int
7518 conf_load(const char *filename, int keymapping)
7519 {
7520         FILE                    *config;
7521         char                    *line = NULL, *cp, *optsub, *optval = NULL;
7522         size_t                  linelen, lineno = 0;
7523         int                     wordlen, i, optidx;
7524         struct config_option    *opt = NULL;
7525
7526         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
7527
7528         if (filename == NULL) {
7529                 warnx("conf_load: no filename");
7530                 return (1);
7531         }
7532
7533         DNPRINTF(SWM_D_CONF, "conf_load: open %s\n", filename);
7534
7535         if ((config = fopen(filename, "r")) == NULL) {
7536                 warn("conf_load: fopen: %s", filename);
7537                 return (1);
7538         }
7539
7540         while (!feof(config)) {
7541                 if (line)
7542                         free(line);
7543
7544                 if ((line = fparseln(config, &linelen, &lineno, NULL,
7545                     FPARSELN_UNESCCOMM | FPARSELN_UNESCCONT)) == NULL) {
7546                         if (ferror(config))
7547                                 err(1, "%s", filename);
7548                         else
7549                                 continue;
7550                 }
7551                 cp = line;
7552                 cp += strspn(cp, " \t\n"); /* eat whitespace */
7553                 if (cp[0] == '\0') {
7554                         /* empty line */
7555                         continue;
7556                 }
7557                 /* get config option */
7558                 wordlen = strcspn(cp, "=[ \t\n");
7559                 if (wordlen == 0) {
7560                         add_startup_exception("%s: line %zd: no option found",
7561                             filename, lineno);
7562                         continue;
7563                 }
7564                 optidx = -1;
7565                 for (i = 0; i < LENGTH(configopt); i++) {
7566                         opt = &configopt[i];
7567                         if (!strncasecmp(cp, opt->optname, wordlen) &&
7568                             (int)strlen(opt->optname) == wordlen) {
7569                                 optidx = i;
7570                                 break;
7571                         }
7572                 }
7573                 if (optidx == -1) {
7574                         add_startup_exception("%s: line %zd: unknown option "
7575                             "%.*s", filename, lineno, wordlen, cp);
7576                         continue;
7577                 }
7578                 if (keymapping && opt && strcmp(opt->optname, "bind")) {
7579                         add_startup_exception("%s: line %zd: invalid option "
7580                             "%.*s", filename, lineno, wordlen, cp);
7581                         continue;
7582                 }
7583                 cp += wordlen;
7584                 cp += strspn(cp, " \t\n"); /* eat whitespace */
7585
7586                 /* from here on out we call goto invalid to continue */
7587
7588                 /* get [selector] if any */
7589                 optsub = NULL;
7590                 if (*cp == '[') {
7591                         cp++;
7592                         wordlen = strcspn(cp, "]");
7593                         if (*cp != ']') {
7594                                 if (wordlen == 0) {
7595                                         add_startup_exception("%s: line %zd: "
7596                                             "syntax error", filename, lineno);
7597                                         goto invalid;
7598                                 }
7599
7600                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
7601                                     -1) {
7602                                         add_startup_exception("%s: line %zd: "
7603                                             "unable to allocatememory for "
7604                                             "selector", filename, lineno);
7605                                         goto invalid;
7606                                 }
7607                         }
7608                         cp += wordlen;
7609                         cp += strspn(cp, "] \t\n"); /* eat trailing */
7610                 }
7611                 cp += strspn(cp, "= \t\n"); /* eat trailing */
7612                 /* get RHS value */
7613                 optval = strdup(cp);
7614                 if (strlen(optval) == 0) {
7615                         add_startup_exception("%s: line %zd: must supply value "
7616                             "to %s", filename, lineno,
7617                             configopt[optidx].optname);
7618                         goto invalid;
7619                 }
7620                 /* call function to deal with it all */
7621                 if (configopt[optidx].func(optsub, optval,
7622                     configopt[optidx].funcflags) != 0) {
7623                         add_startup_exception("%s: line %zd: invalid data for "
7624                             "%s", filename, lineno, configopt[optidx].optname);
7625                         goto invalid;
7626                 }
7627 invalid:
7628                 if (optval) {
7629                         free(optval);
7630                         optval = NULL;
7631                 }
7632                 if (optsub) {
7633                         free(optsub);
7634                         optsub = NULL;
7635                 }
7636         }
7637
7638         if (line)
7639                 free(line);
7640         fclose(config);
7641         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
7642
7643         return (0);
7644 }
7645
7646 void
7647 set_child_transient(struct ws_win *win, xcb_window_t *trans)
7648 {
7649         struct ws_win           *parent, *w;
7650         struct swm_region       *r;
7651         struct workspace        *ws;
7652         xcb_icccm_wm_hints_t    wmh;
7653
7654         parent = find_window(win->transient);
7655         if (parent)
7656                 parent->focus_child = win;
7657         else {
7658                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
7659                     " for 0x%x trans 0x%x\n", win->id, win->transient);
7660
7661                 r = root_to_region(win->wa->root, SWM_CK_ALL);
7662                 ws = r->ws;
7663                 /* parent doen't exist in our window list */
7664                 TAILQ_FOREACH(w, &ws->winlist, entry) {
7665                         if (xcb_icccm_get_wm_hints_reply(conn,
7666                             xcb_icccm_get_wm_hints(conn, w->id),
7667                             &wmh, NULL) != 1) {
7668                                 warnx("can't get hints for 0x%x", w->id);
7669                                 continue;
7670                         }
7671
7672                         if (win->hints.window_group != wmh.window_group)
7673                                 continue;
7674
7675                         w->focus_child = win;
7676                         win->transient = w->id;
7677                         *trans = w->id;
7678                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
7679                             "transient to 0x%x\n", win->transient);
7680                         break;
7681                 }
7682         }
7683 }
7684
7685 pid_t
7686 window_get_pid(xcb_window_t win)
7687 {
7688         pid_t                           ret = 0;
7689         const char                      *errstr;
7690         xcb_atom_t                      apid;
7691         xcb_get_property_cookie_t       pc;
7692         xcb_get_property_reply_t        *pr;
7693
7694         apid = get_atom_from_string("_NET_WM_PID");
7695         if (apid == XCB_ATOM_NONE)
7696                 goto tryharder;
7697
7698         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
7699         pr = xcb_get_property_reply(conn, pc, NULL);
7700         if (!pr)
7701                 goto tryharder;
7702         if (pr->type != XCB_ATOM_CARDINAL) {
7703                 free(pr);
7704                 goto tryharder;
7705         }
7706
7707         if (pr->type == apid && pr->format == 32)
7708                 ret = *((pid_t *)xcb_get_property_value(pr));
7709         free(pr);
7710
7711         return (ret);
7712
7713 tryharder:
7714         apid = get_atom_from_string("_SWM_PID");
7715         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
7716             0, SWM_PROPLEN);
7717         pr = xcb_get_property_reply(conn, pc, NULL);
7718         if (!pr)
7719                 return (0);
7720         if (pr->type != apid) {
7721                 free(pr);
7722                 return (0);
7723         }
7724
7725         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
7726         free(pr);
7727
7728         return (ret);
7729 }
7730
7731 int
7732 get_ws_idx(xcb_window_t id)
7733 {
7734         int                     ws_idx = -1;
7735         char                    *prop = NULL;
7736         size_t                  proplen;
7737         const char              *errstr;
7738         xcb_get_property_reply_t        *gpr;
7739
7740         gpr = xcb_get_property_reply(conn,
7741                 xcb_get_property(conn, 0, id, a_swm_ws,
7742                     XCB_ATOM_STRING, 0, SWM_PROPLEN),
7743                 NULL);
7744         if (!gpr)
7745                 return (-1);
7746         if (gpr->type) {
7747                 proplen = xcb_get_property_value_length(gpr);
7748                 if (proplen > 0) {
7749                         prop = malloc(proplen + 1);
7750                         if (prop) {
7751                                 memcpy(prop,
7752                                     xcb_get_property_value(gpr),
7753                                     proplen);
7754                                 prop[proplen] = '\0';
7755                         }
7756                 }
7757         }
7758         free(gpr);
7759
7760         if (prop) {
7761                 DNPRINTF(SWM_D_PROP, "get_ws_idx: _SWM_WS: %s\n", prop);
7762                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1, &errstr);
7763                 if (errstr) {
7764                         DNPRINTF(SWM_D_PROP, "get_ws_idx: window: #%s: %s",
7765                             errstr, prop);
7766                 }
7767                 free(prop);
7768         }
7769
7770         return ws_idx;
7771 }
7772
7773 struct ws_win *
7774 manage_window(xcb_window_t id, uint16_t mapped)
7775 {
7776         xcb_window_t            trans = XCB_WINDOW_NONE;
7777         struct ws_win           *win, *ww;
7778         int                     ws_idx;
7779         char                    ws_idx_str[SWM_PROPLEN];
7780         struct swm_region       *r;
7781         struct pid_e            *p;
7782         struct quirk            *qp;
7783         uint32_t                i, wa[2];
7784         xcb_icccm_get_wm_protocols_reply_t      wpr;
7785
7786         if ((win = find_window(id)) != NULL) {
7787                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x already "
7788                     "managed; skipping.)\n", id);
7789                 return (win);   /* Already managed. */
7790         }
7791
7792         /* See if window is on the unmanaged list. */
7793         if ((win = find_unmanaged_window(id)) != NULL) {
7794                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x found on "
7795                     "unmanaged list.\n", id);
7796                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
7797
7798                 if (win->transient)
7799                         set_child_transient(win, &trans);
7800
7801                 goto out;
7802         } else {
7803                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x is new.\n", id);
7804         }
7805
7806         /* Create and initialize ws_win object. */
7807         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
7808                 err(1, "manage_window: calloc: failed to allocate memory for "
7809                     "new window");
7810
7811         win->id = id;
7812
7813         /* Get window geometry. */
7814         win->wa = xcb_get_geometry_reply(conn,
7815             xcb_get_geometry(conn, win->id),
7816             NULL);
7817
7818         /* Figure out which region the window belongs to. */
7819         r = root_to_region(win->wa->root, SWM_CK_ALL);
7820
7821         /* Ignore window border if there is one. */
7822         WIDTH(win) = win->wa->width;
7823         HEIGHT(win) = win->wa->height;
7824         X(win) = win->wa->x + win->wa->border_width - border_width;
7825         Y(win) = win->wa->y + win->wa->border_width - border_width;
7826         win->bordered = 1;
7827         win->mapped = mapped;
7828         win->floatmaxed = 0;
7829         win->ewmh_flags = 0;
7830         win->s = r->s;  /* this never changes */
7831
7832         /* Get WM_SIZE_HINTS. */
7833         xcb_icccm_get_wm_normal_hints_reply(conn,
7834             xcb_icccm_get_wm_normal_hints(conn, win->id),
7835             &win->sh, NULL);
7836
7837         /* Get WM_HINTS. */
7838         xcb_icccm_get_wm_hints_reply(conn,
7839             xcb_icccm_get_wm_hints(conn, win->id),
7840             &win->hints, NULL);
7841
7842         /* Get WM_TRANSIENT_FOR; see if window is a transient. */
7843         xcb_icccm_get_wm_transient_for_reply(conn,
7844             xcb_icccm_get_wm_transient_for(conn, win->id),
7845             &trans, NULL);
7846         if (trans) {
7847                 win->transient = trans;
7848                 set_child_transient(win, &win->transient);
7849         }
7850
7851         /* Get supported protocols. */
7852         if (xcb_icccm_get_wm_protocols_reply(conn,
7853             xcb_icccm_get_wm_protocols(conn, win->id, a_prot),
7854             &wpr, NULL)) {
7855                 for (i = 0; i < wpr.atoms_len; i++) {
7856                         if (wpr.atoms[i] == a_takefocus)
7857                                 win->take_focus = 1;
7858                         if (wpr.atoms[i] == a_delete)
7859                                 win->can_delete = 1;
7860                 }
7861                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
7862         }
7863
7864         win->iconic = get_swm_iconic(win);
7865
7866         /* Figure out which workspace the window belongs to. */
7867         if ((p = find_pid(window_get_pid(win->id))) != NULL) {
7868                 win->ws = &r->s->ws[p->ws];
7869                 TAILQ_REMOVE(&pidlist, p, entry);
7870                 free(p);
7871                 p = NULL;
7872         } else if ((ws_idx = get_ws_idx(win->id)) != -1 &&
7873             !win->transient) {
7874                 /* _SWM_WS is set; use that. */
7875                 win->ws = &r->s->ws[ws_idx];
7876         } else if (trans && (ww = find_window(trans)) != NULL) {
7877                 /* Launch transients in the same ws as parent. */
7878                 win->ws = ww->ws;
7879         } else {
7880                 win->ws = r->ws;
7881         }
7882
7883         /* Set the _SWM_WS atom so we can remember this after reincarnation. */
7884         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", win->ws->idx) <
7885             SWM_PROPLEN) {
7886                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
7887                     ws_idx_str);
7888                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
7889                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
7890                     ws_idx_str);
7891         }
7892
7893         /* WS must already be set for this to work. */
7894         store_float_geom(win);
7895
7896         /* Handle EWMH */
7897         ewmh_autoquirk(win);
7898
7899         /* Determine initial quirks. */
7900         if (xcb_icccm_get_wm_class_reply(conn,
7901             xcb_icccm_get_wm_class(conn, win->id),
7902             &win->ch, NULL)) {
7903                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
7904                     win->ch.class_name, win->ch.instance_name);
7905
7906                 /* java is retarded so treat it special */
7907                 if (strstr(win->ch.instance_name, "sun-awt")) {
7908                         DNPRINTF(SWM_D_CLASS, "manage_window: java window "
7909                             "detected.\n");
7910                         win->java = 1;
7911                 }
7912
7913                 TAILQ_FOREACH(qp, &quirks, entry) {
7914                         if (!strcmp(win->ch.class_name, qp->class) &&
7915                             !strcmp(win->ch.instance_name, qp->name)) {
7916                                 DNPRINTF(SWM_D_CLASS, "manage_window: on quirks"
7917                                     "list; mask: 0x%lx\n", qp->quirk);
7918                                 if (qp->quirk & SWM_Q_FLOAT)
7919                                         win->floating = 1;
7920                                 win->quirks = qp->quirk;
7921                         }
7922                 }
7923         }
7924
7925         /* Alter window position if quirky */
7926         if (win->quirks & SWM_Q_ANYWHERE)
7927                 win->manual = 1;
7928
7929         /* Reset font sizes (the bruteforce way; no default keybinding). */
7930         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
7931                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7932                         fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
7933                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7934                         fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
7935         }
7936
7937         /* Make sure window is positioned inside its region, if its active. */
7938         if (win->ws->r) {
7939                 region_containment(win, r, SWM_CW_ALLSIDES |
7940                     SWM_CW_HARDBOUNDARY);
7941                 update_window(win);
7942         }
7943
7944         /* Select which X events to monitor and set border pixel color. */
7945         wa[0] = win->s->c[SWM_S_COLOR_UNFOCUS].pixel;
7946         wa[1] = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_PROPERTY_CHANGE |
7947             XCB_EVENT_MASK_STRUCTURE_NOTIFY;
7948 #ifdef SWM_DEBUG
7949         wa[1] |= XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE;
7950 #endif
7951
7952         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL |
7953             XCB_CW_EVENT_MASK, wa);
7954
7955 out:
7956         /* Figure out where to stack the window in the workspace. */
7957         if (trans && (ww = find_window(trans)))
7958                 TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
7959         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
7960                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
7961                     entry);
7962         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
7963                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
7964         else switch (spawn_position) {
7965         default:
7966         case SWM_STACK_TOP:
7967         case SWM_STACK_ABOVE:
7968                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
7969                 break;
7970         case SWM_STACK_BOTTOM:
7971         case SWM_STACK_BELOW:
7972                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
7973         }
7974
7975         /* Get initial _NET_WM_STATE */
7976         ewmh_get_win_state(win);
7977         /* Set initial _NET_WM_ALLOWED_ACTIONS */
7978         ewmh_update_actions(win);
7979
7980         grabbuttons(win);
7981
7982         DNPRINTF(SWM_D_MISC, "manage_window: done. window: 0x%x, (x,y) w x h: "
7983             "(%d,%d) %d x %d, ws: %d, iconic: %s, transient: 0x%x\n", win->id,
7984             X(win), Y(win), WIDTH(win), HEIGHT(win), win->ws->idx,
7985             YESNO(win->iconic), win->transient);
7986
7987         return (win);
7988 }
7989
7990 void
7991 free_window(struct ws_win *win)
7992 {
7993         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
7994
7995         if (win == NULL)
7996                 return;
7997
7998         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
7999
8000         if (win->wa)
8001                 free(win->wa);
8002
8003         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
8004
8005         kill_refs(win);
8006
8007         /* paint memory */
8008         memset(win, 0xff, sizeof *win); /* XXX kill later */
8009
8010         free(win);
8011         DNPRINTF(SWM_D_MISC, "free_window: done.\n");
8012 }
8013
8014 void
8015 unmanage_window(struct ws_win *win)
8016 {
8017         struct ws_win           *parent;
8018
8019         if (win == NULL)
8020                 return;
8021
8022         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
8023
8024         if (win->transient) {
8025                 parent = find_window(win->transient);
8026                 if (parent)
8027                         parent->focus_child = NULL;
8028         }
8029
8030         TAILQ_REMOVE(&win->ws->winlist, win, entry);
8031         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
8032 }
8033
8034 void
8035 expose(xcb_expose_event_t *e)
8036 {
8037         int                     i, num_screens;
8038         struct swm_region       *r;
8039
8040         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
8041
8042         num_screens = get_screen_count();
8043         for (i = 0; i < num_screens; i++)
8044                 TAILQ_FOREACH(r, &screens[i].rl, entry)
8045                         if (e->window == WINID(r->bar))
8046                                 bar_draw();
8047
8048         xcb_flush(conn);
8049 }
8050
8051 #ifdef SWM_DEBUG
8052 void
8053 focusin(xcb_focus_in_event_t *e)
8054 {
8055         DNPRINTF(SWM_D_EVENT, "focusin: window: 0x%x, mode: %s(%u), "
8056             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
8057             e->mode, get_notify_detail_label(e->detail), e->detail);
8058 }
8059
8060 void
8061 focusout(xcb_focus_out_event_t *e)
8062 {
8063         DNPRINTF(SWM_D_EVENT, "focusout: window: 0x%x, mode: %s(%u), "
8064             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
8065             e->mode, get_notify_detail_label(e->detail), e->detail);
8066 }
8067 #endif
8068
8069 void
8070 keypress(xcb_key_press_event_t *e)
8071 {
8072         xcb_keysym_t            keysym;
8073         struct key              *kp;
8074
8075         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
8076
8077         DNPRINTF(SWM_D_EVENT, "keypress: keysym: %u, win (x,y): 0x%x (%d,%d), "
8078             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
8079             "state: %u, same_screen: %s\n", keysym, e->event, e->event_x,
8080             e->event_y, e->detail, e->time, e->root, e->root_x, e->root_y,
8081             e->child, e->state, YESNO(e->same_screen));
8082
8083         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
8084                 goto out;
8085
8086         last_event_time = e->time;
8087
8088         if (kp->funcid == KF_SPAWN_CUSTOM)
8089                 spawn_custom(root_to_region(e->root, SWM_CK_ALL),
8090                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
8091         else if (keyfuncs[kp->funcid].func)
8092                 keyfuncs[kp->funcid].func(root_to_region(e->root, SWM_CK_ALL),
8093                     &(keyfuncs[kp->funcid].args));
8094
8095 out:
8096         /* Unfreeze grab events. */
8097         xcb_allow_events(conn, XCB_ALLOW_ASYNC_KEYBOARD, e->time);
8098         xcb_flush(conn);
8099
8100         DNPRINTF(SWM_D_EVENT, "keypress: done.\n");
8101 }
8102
8103 void
8104 buttonpress(xcb_button_press_event_t *e)
8105 {
8106         struct ws_win           *win = NULL;
8107         struct swm_region       *r, *old_r;
8108         int                     i;
8109         int                     handled = 0;
8110
8111         DNPRINTF(SWM_D_EVENT, "buttonpress: win (x,y): 0x%x (%d,%d), "
8112             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
8113             "state: %u, same_screen: %s\n", e->event, e->event_x, e->event_y,
8114             e->detail, e->time, e->root, e->root_x, e->root_y, e->child,
8115             e->state, YESNO(e->same_screen));
8116
8117         if (e->event == e->root) {
8118                 if (e->child != 0) {
8119                         win = find_window(e->child);
8120                         /* Pass ButtonPress to window if it isn't managed. */
8121                         if (win == NULL)
8122                                 goto out;
8123                 } else {
8124                         /* Focus on empty region */
8125                         /* If no windows on region if its empty. */
8126                         r = root_to_region(e->root, SWM_CK_POINTER);
8127                         if (r == NULL) {
8128                                 DNPRINTF(SWM_D_EVENT, "buttonpress: "
8129                                     "NULL region; ignoring.\n");
8130                                 goto out;
8131                         }
8132
8133                         if (TAILQ_EMPTY(&r->ws->winlist)) {
8134                                 old_r = root_to_region(e->root, SWM_CK_FOCUS);
8135                                 if (old_r && old_r != r)
8136                                         unfocus_win(old_r->ws->focus);
8137
8138                                 xcb_set_input_focus(conn,
8139                                     XCB_INPUT_FOCUS_PARENT, e->root, e->time);
8140
8141                                 /* Clear bar since empty. */
8142                                 bar_draw();
8143
8144                                 handled = 1;
8145                                 goto out;
8146                         }
8147                 }
8148         } else {
8149                 win = find_window(e->event);
8150         }
8151
8152         if (win == NULL)
8153                 goto out;
8154
8155         last_event_time = e->time;
8156
8157         focus_win(get_focus_magic(win));
8158
8159         for (i = 0; i < LENGTH(buttons); i++)
8160                 if (client_click == buttons[i].action && buttons[i].func &&
8161                     buttons[i].button == e->detail &&
8162                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state)) {
8163                         buttons[i].func(win, &buttons[i].args);
8164                         handled = 1;
8165                 }
8166
8167 out:
8168         if (!handled) {
8169                 DNPRINTF(SWM_D_EVENT, "buttonpress: passing to window.\n");
8170                 /* Replay event to event window */
8171                 xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, e->time);
8172         } else {
8173                 DNPRINTF(SWM_D_EVENT, "buttonpress: handled.\n");
8174                 /* Unfreeze grab events. */
8175                 xcb_allow_events(conn, XCB_ALLOW_SYNC_POINTER, e->time);
8176         }
8177
8178         xcb_flush(conn);
8179 }
8180
8181 #ifdef SWM_DEBUG
8182 void
8183 print_win_geom(xcb_window_t w)
8184 {
8185         xcb_get_geometry_reply_t        *wa;
8186
8187         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
8188
8189         if (!wa) {
8190                 DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: 0x%x\n",
8191                     w);
8192                 return;
8193         }
8194
8195         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
8196             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
8197             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
8198             wa->border_width);
8199
8200         free(wa);
8201 }
8202 #endif
8203
8204 #ifdef SWM_DEBUG
8205 char *
8206 get_stack_mode_name(uint8_t mode)
8207 {
8208         char    *name;
8209
8210         switch(mode) {
8211         case XCB_STACK_MODE_ABOVE:
8212                 name = "Above";
8213                 break;
8214         case XCB_STACK_MODE_BELOW:
8215                 name = "Below";
8216                 break;
8217         case XCB_STACK_MODE_TOP_IF:
8218                 name = "TopIf";
8219                 break;
8220         case XCB_STACK_MODE_BOTTOM_IF:
8221                 name = "BottomIf";
8222                 break;
8223         case XCB_STACK_MODE_OPPOSITE:
8224                 name = "Opposite";
8225                 break;
8226         default:
8227                 name = "Unknown";
8228         }
8229
8230         return name;
8231 }
8232 #endif
8233
8234 void
8235 configurerequest(xcb_configure_request_event_t *e)
8236 {
8237         struct ws_win           *win;
8238         struct swm_region       *r = NULL;
8239         int                     new = 0, i = 0;
8240         uint16_t                mask = 0;
8241         uint32_t                wc[7] = {0};
8242
8243         if ((win = find_window(e->window)) == NULL)
8244                 if ((win = find_unmanaged_window(e->window)) == NULL)
8245                         new = 1;
8246
8247 #ifdef SWM_DEBUG
8248         if (swm_debug & SWM_D_EVENT) {
8249                 print_win_geom(e->window);
8250
8251                 DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%x, "
8252                     "parent: 0x%x, new: %s, value_mask: %u { ", e->window,
8253                     e->parent, YESNO(new), e->value_mask);
8254                 if (e->value_mask & XCB_CONFIG_WINDOW_X)
8255                         DPRINTF("X: %d ", e->x);
8256                 if (e->value_mask & XCB_CONFIG_WINDOW_Y)
8257                         DPRINTF("Y: %d ", e->y);
8258                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
8259                         DPRINTF("W: %u ", e->width);
8260                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
8261                         DPRINTF("H: %u ", e->height);
8262                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
8263                         DPRINTF("Border: %u ", e->border_width);
8264                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING)
8265                         DPRINTF("Sibling: 0x%x ", e->sibling);
8266                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE)
8267                         DPRINTF("StackMode: %s(%u) ",
8268                             get_stack_mode_name(e->stack_mode), e->stack_mode);
8269                 DPRINTF("}\n");
8270         }
8271 #endif
8272
8273         if (new) {
8274                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
8275                         mask |= XCB_CONFIG_WINDOW_X;
8276                         wc[i++] = e->x;
8277                 }
8278                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
8279                         mask |= XCB_CONFIG_WINDOW_Y;
8280                         wc[i++] = e->y;
8281                 }
8282                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
8283                         mask |= XCB_CONFIG_WINDOW_WIDTH;
8284                         wc[i++] = e->width;
8285                 }
8286                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
8287                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
8288                         wc[i++] = e->height;
8289                 }
8290                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
8291                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
8292                         wc[i++] = e->border_width;
8293                 }
8294                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
8295                         mask |= XCB_CONFIG_WINDOW_SIBLING;
8296                         wc[i++] = e->sibling;
8297                 }
8298                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
8299                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
8300                         wc[i++] = e->stack_mode;
8301                 }
8302
8303                 if (mask != 0) {
8304                         xcb_configure_window(conn, e->window, mask, wc);
8305                         xcb_flush(conn);
8306                 }
8307         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
8308             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
8309                 if (win->ws->r)
8310                         r = win->ws->r;
8311                 else if (win->ws->old_r)
8312                         r = win->ws->old_r;
8313
8314                 /* windows are centered unless ANYWHERE quirk is set. */
8315                 if (win->quirks & SWM_Q_ANYWHERE) {
8316                         if (e->value_mask & XCB_CONFIG_WINDOW_X) {
8317                                 win->g_float.x = e->x;
8318                                 if (r)
8319                                         win->g_float.x -= X(r);
8320                         }
8321
8322                         if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
8323                                 win->g_float.y = e->y;
8324                                 if (r)
8325                                         win->g_float.y -= Y(r);
8326                         }
8327                 }
8328
8329                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
8330                         win->g_float.w = e->width;
8331
8332                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
8333                         win->g_float.h = e->height;
8334
8335                 win->g_floatvalid = 1;
8336
8337                 if (win->floating && r && (win->transient ||
8338                     win->ws->cur_layout != &layouts[SWM_MAX_STACK])) {
8339                         WIDTH(win) = win->g_float.w;
8340                         HEIGHT(win) = win->g_float.h;
8341
8342                         if (r) {
8343                                 stack_floater(win, r);
8344                                 focus_flush();
8345                         }
8346                 } else {
8347                         config_win(win, e);
8348                         xcb_flush(conn);
8349                 }
8350         } else {
8351                 config_win(win, e);
8352                 xcb_flush(conn);
8353         }
8354
8355         DNPRINTF(SWM_D_EVENT, "configurerequest: done.\n");
8356 }
8357
8358 void
8359 configurenotify(xcb_configure_notify_event_t *e)
8360 {
8361         struct ws_win           *win;
8362
8363         DNPRINTF(SWM_D_EVENT, "configurenotify: win 0x%x, event win: 0x%x, "
8364             "(x,y) WxH: (%d,%d) %ux%u, border: %u, above_sibling: 0x%x, "
8365             "override_redirect: %s\n", e->window, e->event, e->x, e->y,
8366             e->width, e->height, e->border_width, e->above_sibling,
8367             YESNO(e->override_redirect));
8368
8369         win = find_window(e->window);
8370         if (win) {
8371                 xcb_icccm_get_wm_normal_hints_reply(conn,
8372                     xcb_icccm_get_wm_normal_hints(conn, win->id),
8373                     &win->sh, NULL);
8374                 adjust_font(win);
8375                 if (font_adjusted) {
8376                         stack();
8377                         xcb_flush(conn);
8378                 }
8379         }
8380 }
8381
8382 void
8383 destroynotify(xcb_destroy_notify_event_t *e)
8384 {
8385         struct ws_win           *win;
8386
8387         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
8388
8389         if ((win = find_window(e->window)) == NULL) {
8390                 if ((win = find_unmanaged_window(e->window)) == NULL)
8391                         return;
8392                 free_window(win);
8393                 return;
8394         }
8395
8396         if (focus_mode != SWM_FOCUS_FOLLOW) {
8397                 /* If we were focused, make sure we focus on something else. */
8398                 if (win == win->ws->focus)
8399                         win->ws->focus_pending = get_focus_prev(win);
8400         }
8401
8402         unmanage_window(win);
8403         stack();
8404
8405         if (focus_mode != SWM_FOCUS_FOLLOW) {
8406                 if (win->ws->focus_pending) {
8407                         focus_win(win->ws->focus_pending);
8408                         win->ws->focus_pending = NULL;
8409                 } else if (win == win->ws->focus && win->ws->r) {
8410                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
8411                             win->ws->r->id, XCB_CURRENT_TIME);
8412                 }
8413         }
8414
8415         free_window(win);
8416
8417         focus_flush();
8418 }
8419
8420 #ifdef SWM_DEBUG
8421 char *
8422 get_notify_detail_label(uint8_t detail)
8423 {
8424         char *label;
8425
8426         switch (detail) {
8427         case XCB_NOTIFY_DETAIL_ANCESTOR:
8428                 label = "Ancestor";
8429                 break;
8430         case XCB_NOTIFY_DETAIL_VIRTUAL:
8431                 label = "Virtual";
8432                 break;
8433         case XCB_NOTIFY_DETAIL_INFERIOR:
8434                 label = "Inferior";
8435                 break;
8436         case XCB_NOTIFY_DETAIL_NONLINEAR:
8437                 label = "Nonlinear";
8438                 break;
8439         case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
8440                 label = "NonlinearVirtual";
8441                 break;
8442         case XCB_NOTIFY_DETAIL_POINTER:
8443                 label = "Pointer";
8444                 break;
8445         case XCB_NOTIFY_DETAIL_POINTER_ROOT:
8446                 label = "PointerRoot";
8447                 break;
8448         case XCB_NOTIFY_DETAIL_NONE:
8449                 label = "None";
8450                 break;
8451         default:
8452                 label = "Unknown";
8453         }
8454
8455         return label;
8456 }
8457
8458 char *
8459 get_notify_mode_label(uint8_t mode)
8460 {
8461         char *label;
8462
8463         switch (mode) {
8464         case XCB_NOTIFY_MODE_NORMAL:
8465                 label = "Normal";
8466                 break;
8467         case XCB_NOTIFY_MODE_GRAB:
8468                 label = "Grab";
8469                 break;
8470         case XCB_NOTIFY_MODE_UNGRAB:
8471                 label = "Ungrab";
8472                 break;
8473         case XCB_NOTIFY_MODE_WHILE_GRABBED:
8474                 label = "WhileGrabbed";
8475                 break;
8476         default:
8477                 label = "Unknown";
8478         }
8479
8480         return label;
8481 }
8482 #endif
8483
8484 void
8485 enternotify(xcb_enter_notify_event_t *e)
8486 {
8487         struct ws_win           *win;
8488         struct swm_region       *r;
8489
8490         DNPRINTF(SWM_D_FOCUS, "enternotify: time: %u, win (x,y): 0x%x "
8491             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8492             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8493             e->time, e->event, e->event_x, e->event_y,
8494             get_notify_mode_label(e->mode), e->mode,
8495             get_notify_detail_label(e->detail), e->detail,
8496             e->root, e->root_x, e->root_y, e->child,
8497             YESNO(e->same_screen_focus), e->state);
8498
8499         if (focus_mode == SWM_FOCUS_MANUAL &&
8500             e->mode == XCB_NOTIFY_MODE_NORMAL) {
8501                 DNPRINTF(SWM_D_EVENT, "enternotify: manual focus; ignoring.\n");
8502                 return;
8503         }
8504
8505         last_event_time = e->time;
8506
8507         if ((win = find_window(e->event)) == NULL) {
8508                 if (e->event == e->root) {
8509                         /* If no windows on pointer region, then focus root. */
8510                         r = root_to_region(e->root, SWM_CK_POINTER);
8511                         if (r == NULL) {
8512                                 DNPRINTF(SWM_D_EVENT, "enternotify: "
8513                                     "NULL region; ignoring.\n");
8514                                 return;
8515                         }
8516
8517                         focus_region(r);
8518                 } else {
8519                         DNPRINTF(SWM_D_EVENT, "enternotify: window is NULL; "
8520                             "ignoring\n");
8521                         return;
8522                 }
8523         } else {
8524                 focus_win(get_focus_magic(win));
8525         }
8526
8527         xcb_flush(conn);
8528 }
8529
8530 #ifdef SWM_DEBUG
8531 void
8532 leavenotify(xcb_leave_notify_event_t *e)
8533 {
8534         DNPRINTF(SWM_D_FOCUS, "leavenotify: time: %u, win (x,y): 0x%x "
8535             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8536             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8537             e->time, e->event, e->event_x, e->event_y,
8538             get_notify_mode_label(e->mode), e->mode,
8539             get_notify_detail_label(e->detail), e->detail,
8540             e->root, e->root_x, e->root_y, e->child,
8541             YESNO(e->same_screen_focus), e->state);
8542 }
8543 #endif
8544
8545 void
8546 mapnotify(xcb_map_notify_event_t *e)
8547 {
8548         struct ws_win           *win;
8549
8550         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
8551
8552         if ((win = find_window(e->window)) == NULL)
8553                 win = manage_window(e->window, 1);
8554
8555         win->mapped = 1;
8556         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
8557
8558         if (focus_mode != SWM_FOCUS_FOLLOW) {
8559                 if (win->ws->focus_pending == win) {
8560                         focus_win(win);
8561                         win->ws->focus_pending = NULL;
8562                         focus_flush();
8563                 }
8564         }
8565
8566         xcb_flush(conn);
8567 }
8568
8569 void
8570 mappingnotify(xcb_mapping_notify_event_t *e)
8571 {
8572         xcb_refresh_keyboard_mapping(syms, e);
8573
8574         if (e->request == XCB_MAPPING_KEYBOARD)
8575                 grabkeys();
8576 }
8577
8578 void
8579 maprequest(xcb_map_request_event_t *e)
8580 {
8581         struct ws_win           *win, *w = NULL;
8582         xcb_get_window_attributes_reply_t *war;
8583
8584         DNPRINTF(SWM_D_EVENT, "maprequest: win 0x%x\n",
8585             e->window);
8586
8587         war = xcb_get_window_attributes_reply(conn,
8588             xcb_get_window_attributes(conn, e->window),
8589             NULL);
8590         if (war == NULL) {
8591                 DNPRINTF(SWM_D_EVENT, "maprequest: window lost.\n");
8592                 goto out;
8593         }
8594
8595         if (war->override_redirect) {
8596                 DNPRINTF(SWM_D_EVENT, "maprequest: override_redirect; "
8597                     "skipping.\n");
8598                 goto out;
8599         }
8600
8601         win = manage_window(e->window,
8602             (war->map_state == XCB_MAP_STATE_VIEWABLE));
8603
8604         /* The new window should get focus; prepare. */
8605         if (focus_mode != SWM_FOCUS_FOLLOW &&
8606             !(win->quirks & SWM_Q_NOFOCUSONMAP)) {
8607                 if (win->quirks & SWM_Q_FOCUSONMAP_SINGLE) {
8608                         /* See if other wins of same type are already mapped. */
8609                         TAILQ_FOREACH(w, &win->ws->winlist, entry) {
8610                                 if (w == win || !w->mapped)
8611                                         continue;
8612
8613                                 if (w->ch.class_name &&
8614                                     win->ch.class_name &&
8615                                     !strcmp(w->ch.class_name,
8616                                     win->ch.class_name) &&
8617                                     w->ch.instance_name &&
8618                                     win->ch.instance_name &&
8619                                     !strcmp(w->ch.instance_name,
8620                                     win->ch.instance_name))
8621                                         break;
8622                         }
8623                 }
8624
8625                 if (w == NULL)
8626                         win->ws->focus_pending = get_focus_magic(win);
8627         }
8628
8629         /* All windows need to be mapped if they are in the current workspace.*/
8630         if (win->ws->r)
8631                 stack();
8632
8633         /* Ignore EnterNotify to handle the mapnotify without interference. */
8634         if (focus_mode == SWM_FOCUS_DEFAULT)
8635                 event_drain(XCB_ENTER_NOTIFY);
8636 out:
8637         free(war);
8638         DNPRINTF(SWM_D_EVENT, "maprequest: done.\n");
8639 }
8640
8641 void
8642 motionnotify(xcb_motion_notify_event_t *e)
8643 {
8644         struct swm_region       *r;
8645         int                     i, num_screens;
8646
8647         DNPRINTF(SWM_D_FOCUS, "motionnotify: time: %u, win (x,y): 0x%x "
8648             "(%d,%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8649             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8650             e->time, e->event, e->event_x, e->event_y,
8651             get_notify_detail_label(e->detail), e->detail,
8652             e->root, e->root_x, e->root_y, e->child,
8653             YESNO(e->same_screen), e->state);
8654
8655         last_event_time = e->time;
8656
8657         if (focus_mode == SWM_FOCUS_MANUAL)
8658                 return;
8659
8660         num_screens = get_screen_count();
8661         for (i = 0; i < num_screens; i++)
8662                 if (screens[i].root == e->root)
8663                         break;
8664
8665         TAILQ_FOREACH(r, &screens[i].rl, entry)
8666                 if (X(r) <= e->root_x && e->root_x < MAX_X(r) &&
8667                     Y(r) <= e->root_y && e->root_y < MAX_Y(r))
8668                         break;
8669
8670         focus_region(r);
8671 }
8672
8673 #ifdef SWM_DEBUG
8674 char *
8675 get_atom_name(xcb_atom_t atom)
8676 {
8677         char                            *name = NULL;
8678 #if 0
8679         /*
8680          * This should be disabled during most debugging since
8681          * xcb_get_* causes an xcb_flush.
8682          */
8683         size_t                          len;
8684         xcb_get_atom_name_reply_t       *r;
8685
8686         r = xcb_get_atom_name_reply(conn,
8687             xcb_get_atom_name(conn, atom),
8688             NULL);
8689         if (r) {
8690                 len = xcb_get_atom_name_name_length(r);
8691                 if (len > 0) {
8692                         name = malloc(len + 1);
8693                         if (name) {
8694                                 memcpy(name, xcb_get_atom_name_name(r), len);
8695                                 name[len] = '\0';
8696                         }
8697                 }
8698                 free(r);
8699         }
8700 #else
8701         (void)atom;
8702 #endif
8703         return (name);
8704 }
8705 #endif
8706
8707 void
8708 propertynotify(xcb_property_notify_event_t *e)
8709 {
8710         struct ws_win           *win;
8711         struct workspace        *ws;
8712 #ifdef SWM_DEBUG
8713         char                    *name;
8714
8715         name = get_atom_name(e->atom);
8716         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u), "
8717             "time: %#x, state: %u\n", e->window, name, e->atom, e->time,
8718             e->state);
8719         free(name);
8720 #endif
8721         win = find_window(e->window);
8722         if (win == NULL)
8723                 return;
8724
8725         ws = win->ws;
8726
8727         last_event_time = e->time;
8728
8729         if (e->atom == a_swm_iconic) {
8730                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8731                         if (focus_mode != SWM_FOCUS_FOLLOW)
8732                                 ws->focus_pending = get_focus_prev(win);
8733
8734                         unfocus_win(win);
8735                         unmap_window(win);
8736
8737                         if (ws->r) {
8738                                 stack();
8739
8740                                 if (focus_mode != SWM_FOCUS_FOLLOW) {
8741                                         if (ws->focus_pending) {
8742                                                 focus_win(ws->focus_pending);
8743                                                 ws->focus_pending = NULL;
8744                                         } else {
8745                                                 xcb_set_input_focus(conn,
8746                                                     XCB_INPUT_FOCUS_PARENT,
8747                                                     ws->r->id,
8748                                                     XCB_CURRENT_TIME);
8749                                         }
8750                                 }
8751
8752                                 focus_flush();
8753                         }
8754                 } else if (e->state == XCB_PROPERTY_DELETE) {
8755                         /* The window is no longer iconic, restack ws. */
8756                         if (focus_mode != SWM_FOCUS_FOLLOW)
8757                                 ws->focus_pending = get_focus_magic(win);
8758
8759                         stack();
8760
8761                         /* Flush EnterNotify for mapnotify, if needed. */
8762                         focus_flush();
8763                 }
8764         } else if (e->atom == a_state) {
8765                 /* State just changed, make sure it gets focused if mapped. */
8766                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8767                         if (focus_mode != SWM_FOCUS_FOLLOW) {
8768                                 if (win->mapped &&
8769                                     ws->focus_pending == win) {
8770                                         focus_win(ws->focus_pending);
8771                                         ws->focus_pending = NULL;
8772                                 }
8773                         }
8774                 }
8775         } else if (e->atom == XCB_ATOM_WM_CLASS ||
8776             e->atom == XCB_ATOM_WM_NAME) {
8777                 bar_draw();
8778         }
8779
8780         xcb_flush(conn);
8781 }
8782
8783 void
8784 unmapnotify(xcb_unmap_notify_event_t *e)
8785 {
8786         struct ws_win           *win;
8787         struct workspace        *ws;
8788
8789         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
8790
8791         /* If we aren't managing the window, then ignore. */
8792         win = find_window(e->window);
8793         if (win == NULL || win->id != e->window)
8794                 return;
8795
8796         ws = win->ws;
8797
8798         if (getstate(e->window) != XCB_ICCCM_WM_STATE_ICONIC)
8799                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8800
8801         if (win->mapped) {
8802                 /* window unmapped itself */
8803                 /* do unmap/unfocus/restack and unmanage */
8804                 win->mapped = 0;
8805
8806                 /* If win was focused, make sure to focus on something else. */
8807                 if (win == ws->focus) {
8808                         if (focus_mode != SWM_FOCUS_FOLLOW) {
8809                                 ws->focus_pending = get_focus_prev(win);
8810                                 DNPRINTF(SWM_D_EVENT, "unmapnotify: "
8811                                     "focus_pending: 0x%x\n",
8812                                     WINID(ws->focus_pending));
8813                         }
8814
8815                         unfocus_win(win);
8816                 }
8817
8818                 unmanage_window(win);
8819
8820                 if (ws->r)
8821                         stack();
8822
8823                 if (focus_mode == SWM_FOCUS_FOLLOW) {
8824                         if (ws->r)
8825                                 focus_win(get_pointer_win(ws->r->s->root));
8826                 } else if (ws->focus_pending) {
8827                         focus_win(ws->focus_pending);
8828                         ws->focus_pending = NULL;
8829                 } else if (ws->focus == NULL && ws->r) {
8830                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
8831                             ws->r->id, XCB_CURRENT_TIME);
8832                 }
8833         }
8834
8835         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL)
8836                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8837
8838         focus_flush();
8839 }
8840
8841 #if 0
8842 void
8843 visibilitynotify(xcb_visibility_notify_event_t *e)
8844 {
8845         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
8846             e->window);
8847 }
8848 #endif
8849
8850 void
8851 clientmessage(xcb_client_message_event_t *e)
8852 {
8853         struct ws_win *win;
8854         xcb_map_request_event_t mre;
8855 #ifdef SWM_DEBUG
8856         char                    *name;
8857
8858         name = get_atom_name(e->type);
8859         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
8860             e->window, name, e->type);
8861         free(name);
8862 #endif
8863         win = find_window(e->window);
8864
8865         if (win == NULL) {
8866                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8867                         /* Manage the window with maprequest. */
8868                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
8869                             "unmanaged window.\n");
8870                         mre.window = e->window;
8871                         maprequest(&mre);
8872                 }
8873                 return;
8874         }
8875
8876         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8877                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
8878                 focus_win(win);
8879         }
8880         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
8881                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
8882                 if (win->can_delete)
8883                         client_msg(win, a_delete, 0);
8884                 else
8885                         xcb_kill_client(conn, win->id);
8886         }
8887         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
8888                 DNPRINTF(SWM_D_EVENT,
8889                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
8890                 if (win->floating) {
8891                         if (e->data.data32[0] & (1<<8)) /* x */
8892                                 X(win) = e->data.data32[1];
8893                         if (e->data.data32[0] & (1<<9)) /* y */
8894                                 Y(win) = e->data.data32[2];
8895                         if (e->data.data32[0] & (1<<10)) /* width */
8896                                 WIDTH(win) = e->data.data32[3];
8897                         if (e->data.data32[0] & (1<<11)) /* height */
8898                                 HEIGHT(win) = e->data.data32[4];
8899
8900                         update_window(win);
8901                 }
8902                 else {
8903                         /* TODO: Change stack sizes */
8904                         /* notify no change was made. */
8905                         config_win(win, NULL);
8906                 }
8907         }
8908         if (e->type == ewmh[_NET_WM_STATE].atom) {
8909                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
8910                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
8911                 if (e->data.data32[2])
8912                         ewmh_update_win_state(win, e->data.data32[2],
8913                             e->data.data32[0]);
8914
8915                 stack();
8916         }
8917
8918         focus_flush();
8919 }
8920
8921 void
8922 check_conn(void)
8923 {
8924         int      errcode = xcb_connection_has_error(conn);
8925 #ifdef XCB_CONN_ERROR
8926         char    *s;
8927         switch (errcode) {
8928         case XCB_CONN_ERROR:
8929                 s = "Socket error, pipe error or other stream error.";
8930                 break;
8931         case XCB_CONN_CLOSED_EXT_NOTSUPPORTED:
8932                 s = "Extension not supported.";
8933                 break;
8934         case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
8935                 s = "Insufficient memory.";
8936                 break;
8937         case XCB_CONN_CLOSED_REQ_LEN_EXCEED:
8938                 s = "Request length was exceeded.";
8939                 break;
8940         case XCB_CONN_CLOSED_PARSE_ERR:
8941                 s = "Error parsing display string.";
8942                 break;
8943         default:
8944                 s = "Unknown error.";
8945         }
8946         if (errcode)
8947                 errx(errcode, "X CONNECTION ERROR: %s", s);
8948 #else
8949         if (errcode)
8950                 errx(errcode, "X CONNECTION ERROR");
8951 #endif
8952 }
8953
8954 int
8955 enable_wm(void)
8956 {
8957         int                     num_screens, i;
8958         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
8959             XCB_EVENT_MASK_ENTER_WINDOW;
8960         xcb_screen_t            *sc;
8961         xcb_void_cookie_t       wac;
8962         xcb_generic_error_t     *error;
8963
8964         /* this causes an error if some other window manager is running */
8965         num_screens = get_screen_count();
8966         for (i = 0; i < num_screens; i++) {
8967                 if ((sc = get_screen(i)) == NULL)
8968                         errx(1, "ERROR: can't get screen %d.", i);
8969                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
8970                     i, sc->root);
8971                 wac = xcb_change_window_attributes_checked(conn, sc->root,
8972                     XCB_CW_EVENT_MASK, &val);
8973                 if ((error = xcb_request_check(conn, wac))) {
8974                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
8975                             error->error_code);
8976                         free(error);
8977                         return 1;
8978                 }
8979
8980                 /* click to focus on empty region */
8981                 xcb_grab_button(conn, 1, sc->root, BUTTONMASK,
8982                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
8983                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_1, XCB_BUTTON_MASK_ANY);
8984         }
8985
8986         return 0;
8987 }
8988
8989 void
8990 new_region(struct swm_screen *s, int x, int y, int w, int h)
8991 {
8992         struct swm_region       *r, *n;
8993         struct workspace        *ws = NULL;
8994         int                     i;
8995         uint32_t                wa[1];
8996
8997         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
8998              s->idx, w, h, x, y);
8999
9000         /* remove any conflicting regions */
9001         n = TAILQ_FIRST(&s->rl);
9002         while (n) {
9003                 r = n;
9004                 n = TAILQ_NEXT(r, entry);
9005                 if (X(r) < (x + w) && (X(r) + WIDTH(r)) > x &&
9006                     Y(r) < (y + h) && (Y(r) + HEIGHT(r)) > y) {
9007                         if (r->ws->r != NULL)
9008                                 r->ws->old_r = r->ws->r;
9009                         r->ws->r = NULL;
9010                         bar_cleanup(r);
9011                         xcb_destroy_window(conn, r->id);
9012                         TAILQ_REMOVE(&s->rl, r, entry);
9013                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
9014                 }
9015         }
9016
9017         /* search old regions for one to reuse */
9018
9019         /* size + location match */
9020         TAILQ_FOREACH(r, &s->orl, entry)
9021                 if (X(r) == x && Y(r) == y &&
9022                     HEIGHT(r) == h && WIDTH(r) == w)
9023                         break;
9024
9025         /* size match */
9026         TAILQ_FOREACH(r, &s->orl, entry)
9027                 if (HEIGHT(r) == h && WIDTH(r) == w)
9028                         break;
9029
9030         if (r != NULL) {
9031                 TAILQ_REMOVE(&s->orl, r, entry);
9032                 /* try to use old region's workspace */
9033                 if (r->ws->r == NULL)
9034                         ws = r->ws;
9035         } else
9036                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
9037                         err(1, "new_region: calloc: failed to allocate memory "
9038                             "for screen");
9039
9040         /* if we don't have a workspace already, find one */
9041         if (ws == NULL) {
9042                 for (i = 0; i < workspace_limit; i++)
9043                         if (s->ws[i].r == NULL) {
9044                                 ws = &s->ws[i];
9045                                 break;
9046                         }
9047         }
9048
9049         if (ws == NULL)
9050                 errx(1, "new_region: no free workspaces");
9051
9052         X(r) = x;
9053         Y(r) = y;
9054         WIDTH(r) = w;
9055         HEIGHT(r) = h;
9056         r->s = s;
9057         r->ws = ws;
9058         r->ws_prior = NULL;
9059         ws->r = r;
9060         outputs++;
9061         TAILQ_INSERT_TAIL(&s->rl, r, entry);
9062
9063         /* Invisible region window to detect pointer events on empty regions. */
9064         r->id = xcb_generate_id(conn);
9065         wa[0] = XCB_EVENT_MASK_POINTER_MOTION |
9066             XCB_EVENT_MASK_POINTER_MOTION_HINT;
9067
9068         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->id, r->s->root,
9069             X(r), Y(r), WIDTH(r), HEIGHT(r), 0, XCB_WINDOW_CLASS_INPUT_ONLY,
9070             XCB_COPY_FROM_PARENT, XCB_CW_EVENT_MASK, wa);
9071
9072         xcb_map_window(conn, r->id);
9073 }
9074
9075 void
9076 scan_xrandr(int i)
9077 {
9078 #ifdef SWM_XRR_HAS_CRTC
9079         int                                             c;
9080         int                                             ncrtc = 0;
9081 #endif /* SWM_XRR_HAS_CRTC */
9082         struct swm_region                               *r;
9083         struct ws_win                                   *win;
9084         int                                             num_screens;
9085         xcb_randr_get_screen_resources_current_cookie_t src;
9086         xcb_randr_get_screen_resources_current_reply_t  *srr;
9087         xcb_randr_get_crtc_info_cookie_t                cic;
9088         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
9089         xcb_randr_crtc_t                                *crtc;
9090         xcb_screen_t                                    *screen;
9091
9092         DNPRINTF(SWM_D_MISC, "scan_xrandr: screen: %d\n", i);
9093
9094         if ((screen = get_screen(i)) == NULL)
9095                 errx(1, "ERROR: can't get screen %d.", i);
9096
9097         num_screens = get_screen_count();
9098         if (i >= num_screens)
9099                 errx(1, "scan_xrandr: invalid screen");
9100
9101         /* remove any old regions */
9102         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
9103                 r->ws->old_r = r->ws->r = NULL;
9104                 bar_cleanup(r);
9105                 xcb_destroy_window(conn, r->id);
9106                 TAILQ_REMOVE(&screens[i].rl, r, entry);
9107                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
9108         }
9109         outputs = 0;
9110
9111         /* map virtual screens onto physical screens */
9112 #ifdef SWM_XRR_HAS_CRTC
9113         if (xrandr_support) {
9114                 src = xcb_randr_get_screen_resources_current(conn,
9115                     screens[i].root);
9116                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
9117                     NULL);
9118                 if (srr == NULL) {
9119                         new_region(&screens[i], 0, 0,
9120                             screen->width_in_pixels,
9121                             screen->height_in_pixels);
9122                         goto out;
9123                 } else
9124                         ncrtc = srr->num_crtcs;
9125
9126                 crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
9127                 for (c = 0; c < ncrtc; c++) {
9128                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
9129                             XCB_CURRENT_TIME);
9130                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
9131                         if (cir == NULL)
9132                                 continue;
9133                         if (cir->num_outputs == 0) {
9134                                 free(cir);
9135                                 continue;
9136                         }
9137
9138                         if (cir->mode == 0)
9139                                 new_region(&screens[i], 0, 0,
9140                                     screen->width_in_pixels,
9141                                     screen->height_in_pixels);
9142                         else
9143                                 new_region(&screens[i],
9144                                     cir->x, cir->y, cir->width, cir->height);
9145                         free(cir);
9146                 }
9147                 free(srr);
9148         }
9149 #endif /* SWM_XRR_HAS_CRTC */
9150
9151         /* If detection failed, create a single region that spans the screen. */
9152         if (TAILQ_EMPTY(&screens[i].rl))
9153                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
9154                     screen->height_in_pixels);
9155
9156 out:
9157         /* Cleanup unused previously visible workspaces. */
9158         TAILQ_FOREACH(r, &screens[i].orl, entry) {
9159                 TAILQ_FOREACH(win, &r->ws->winlist, entry)
9160                         unmap_window(win);
9161
9162                 /* The screen shouldn't focus on an unused region. */
9163                 if (screens[i].r_focus == r)
9164                         screens[i].r_focus = NULL;
9165         }
9166
9167         DNPRINTF(SWM_D_MISC, "scan_xrandr: done.\n");
9168 }
9169
9170 void
9171 screenchange(xcb_randr_screen_change_notify_event_t *e)
9172 {
9173         struct swm_region               *r;
9174         int                             i, num_screens;
9175
9176         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
9177
9178         num_screens = get_screen_count();
9179         /* silly event doesn't include the screen index */
9180         for (i = 0; i < num_screens; i++)
9181                 if (screens[i].root == e->root)
9182                         break;
9183         if (i >= num_screens)
9184                 errx(1, "screenchange: screen not found");
9185
9186         /* brute force for now, just re-enumerate the regions */
9187         scan_xrandr(i);
9188
9189 #ifdef SWM_DEBUG
9190         print_win_geom(e->root);
9191 #endif
9192         /* add bars to all regions */
9193         for (i = 0; i < num_screens; i++) {
9194                 TAILQ_FOREACH(r, &screens[i].rl, entry)
9195                         bar_setup(r);
9196         }
9197
9198         stack();
9199
9200         /* Make sure a region has focus on each screen. */
9201         for (i = 0; i < num_screens; i++) {
9202                 if (screens[i].r_focus == NULL) {
9203                         r = TAILQ_FIRST(&screens[i].rl);
9204                         if (r != NULL)
9205                                 focus_region(r);
9206                 }
9207         }
9208
9209         bar_draw();
9210         focus_flush();
9211 }
9212
9213 void
9214 grab_windows(void)
9215 {
9216         struct swm_region       *r = NULL;
9217         xcb_window_t            *wins = NULL, trans;
9218         int                     no;
9219         int                     i, j, num_screens;
9220         uint16_t                state, manage, mapped;
9221
9222         xcb_query_tree_cookie_t                 qtc;
9223         xcb_query_tree_reply_t                  *qtr;
9224         xcb_get_window_attributes_cookie_t      gac;
9225         xcb_get_window_attributes_reply_t       *gar;
9226         xcb_get_property_cookie_t               pc;
9227
9228         DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
9229         num_screens = get_screen_count();
9230         for (i = 0; i < num_screens; i++) {
9231                 qtc = xcb_query_tree(conn, screens[i].root);
9232                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
9233                 if (!qtr)
9234                         continue;
9235                 wins = xcb_query_tree_children(qtr);
9236                 no = xcb_query_tree_children_length(qtr);
9237                 /* attach windows to a region */
9238                 /* normal windows */
9239                 DNPRINTF(SWM_D_INIT, "grab_windows: grab top level windows.\n");
9240                 for (j = 0; j < no; j++) {
9241                         TAILQ_FOREACH(r, &screens[i].rl, entry) {
9242                                 if (r->id == wins[j]) {
9243                                         DNPRINTF(SWM_D_INIT, "grab_windows: "
9244                                             "skip %#x; region input window.\n",
9245                                             wins[j]);
9246                                         break;
9247                                 }
9248                         }
9249
9250                         if (r)
9251                                 continue;
9252
9253                         gac = xcb_get_window_attributes(conn, wins[j]);
9254                         gar = xcb_get_window_attributes_reply(conn, gac, NULL);
9255                         if (!gar) {
9256                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9257                                     "doesn't exist.\n", wins[j]);
9258                                 continue;
9259                         }
9260
9261                         if (gar->override_redirect) {
9262                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9263                                     "override_redirect set.\n", wins[j]);
9264                                 free(gar);
9265                                 continue;
9266                         }
9267
9268                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
9269                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
9270                             &trans, NULL)) {
9271                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9272                                     "is transient for %#x.\n", wins[j], trans);
9273                                 free(gar);
9274                                 continue;
9275                         }
9276
9277                         state = getstate(wins[j]);
9278                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
9279                         mapped = gar->map_state != XCB_MAP_STATE_UNMAPPED;
9280                         if (mapped || manage)
9281                                 manage_window(wins[j], mapped);
9282                         free(gar);
9283                 }
9284                 /* transient windows */
9285                 DNPRINTF(SWM_D_INIT, "grab_windows: grab transient windows.\n");
9286                 for (j = 0; j < no; j++) {
9287                         gac = xcb_get_window_attributes(conn, wins[j]);
9288                         gar = xcb_get_window_attributes_reply(conn, gac, NULL);
9289                         if (!gar) {
9290                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9291                                     "doesn't exist.\n", wins[j]);
9292                                 continue;
9293                         }
9294
9295                         if (gar->override_redirect) {
9296                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9297                                     "override_redirect set.\n", wins[j]);
9298                                 free(gar);
9299                                 continue;
9300                         }
9301
9302                         state = getstate(wins[j]);
9303                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
9304                         mapped = gar->map_state != XCB_MAP_STATE_UNMAPPED;
9305                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
9306                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
9307                             &trans, NULL) && manage)
9308                                 manage_window(wins[j], mapped);
9309                         free(gar);
9310                 }
9311                 free(qtr);
9312         }
9313         DNPRINTF(SWM_D_INIT, "grab_windows: done.\n");
9314 }
9315
9316 void
9317 setup_screens(void)
9318 {
9319         int                     i, j, k, num_screens;
9320         struct workspace        *ws;
9321         uint32_t                gcv[1], wa[1];
9322         const xcb_query_extension_reply_t *qep;
9323         xcb_screen_t                            *screen;
9324         xcb_randr_query_version_cookie_t        c;
9325         xcb_randr_query_version_reply_t         *r;
9326
9327         num_screens = get_screen_count();
9328         if ((screens = calloc(num_screens,
9329              sizeof(struct swm_screen))) == NULL)
9330                 err(1, "setup_screens: calloc: failed to allocate memory for "
9331                     "screens");
9332
9333         /* initial Xrandr setup */
9334         xrandr_support = 0;
9335         qep = xcb_get_extension_data(conn, &xcb_randr_id);
9336         if (qep->present) {
9337                 c = xcb_randr_query_version(conn, 1, 1);
9338                 r = xcb_randr_query_version_reply(conn, c, NULL);
9339                 if (r) {
9340                         if (r->major_version >= 1) {
9341                                 xrandr_support = 1;
9342                                 xrandr_eventbase = qep->first_event;
9343                         }
9344                         free(r);
9345                 }
9346         }
9347
9348         wa[0] = cursors[XC_LEFT_PTR].cid;
9349
9350         /* map physical screens */
9351         for (i = 0; i < num_screens; i++) {
9352                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
9353                 screens[i].idx = i;
9354                 screens[i].r_focus = NULL;
9355
9356                 TAILQ_INIT(&screens[i].rl);
9357                 TAILQ_INIT(&screens[i].orl);
9358                 if ((screen = get_screen(i)) == NULL)
9359                         errx(1, "ERROR: can't get screen %d.", i);
9360                 screens[i].root = screen->root;
9361
9362                 /* set default colors */
9363                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
9364                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
9365                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
9366                 setscreencolor("rgb:00/40/40", i + 1,
9367                     SWM_S_COLOR_BAR_BORDER_UNFOCUS);
9368                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
9369                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
9370
9371                 /* create graphics context on screen */
9372                 screens[i].bar_gc = xcb_generate_id(conn);
9373                 gcv[0] = 0;
9374                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
9375                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
9376
9377                 /* set default cursor */
9378                 xcb_change_window_attributes(conn, screens[i].root,
9379                     XCB_CW_CURSOR, wa);
9380
9381                 /* init all workspaces */
9382                 /* XXX these should be dynamically allocated too */
9383                 for (j = 0; j < SWM_WS_MAX; j++) {
9384                         ws = &screens[i].ws[j];
9385                         ws->idx = j;
9386                         ws->name = NULL;
9387                         ws->bar_enabled = 1;
9388                         ws->focus = NULL;
9389                         ws->focus_prev = NULL;
9390                         ws->focus_pending = NULL;
9391                         ws->r = NULL;
9392                         ws->old_r = NULL;
9393                         TAILQ_INIT(&ws->winlist);
9394                         TAILQ_INIT(&ws->unmanagedlist);
9395
9396                         for (k = 0; layouts[k].l_stack != NULL; k++)
9397                                 if (layouts[k].l_config != NULL)
9398                                         layouts[k].l_config(ws,
9399                                             SWM_ARG_ID_STACKINIT);
9400                         ws->cur_layout = &layouts[0];
9401                         ws->cur_layout->l_string(ws);
9402                 }
9403
9404                 scan_xrandr(i);
9405
9406                 if (xrandr_support)
9407                         xcb_randr_select_input(conn, screens[i].root,
9408                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
9409         }
9410 }
9411
9412 void
9413 setup_globals(void)
9414 {
9415         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
9416                 err(1, "setup_globals: strdup: failed to allocate memory.");
9417
9418         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
9419                 err(1, "setup_globals: strdup: failed to allocate memory.");
9420
9421         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
9422                 errx(1, "unable to allocate key symbols");
9423
9424         a_state = get_atom_from_string("WM_STATE");
9425         a_prot = get_atom_from_string("WM_PROTOCOLS");
9426         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
9427         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
9428         a_wmname = get_atom_from_string("WM_NAME");
9429         a_netwmname = get_atom_from_string("_NET_WM_NAME");
9430         a_utf8_string = get_atom_from_string("UTF8_STRING");
9431         a_string = get_atom_from_string("STRING");
9432         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
9433         a_swm_ws = get_atom_from_string("_SWM_WS");
9434 }
9435
9436 void
9437 workaround(void)
9438 {
9439         int                     i, num_screens;
9440         xcb_atom_t              netwmcheck;
9441         xcb_window_t            root, win;
9442
9443         /* work around sun jdk bugs, code from wmname */
9444         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
9445
9446         num_screens = get_screen_count();
9447         for (i = 0; i < num_screens; i++) {
9448                 root = screens[i].root;
9449
9450                 win = xcb_generate_id(conn);
9451                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, root,
9452                     0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
9453                     XCB_COPY_FROM_PARENT, 0, NULL);
9454
9455                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
9456                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
9457                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
9458                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
9459                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
9460                     a_netwmname, a_utf8_string, 8, strlen("LG3D"), "LG3D");
9461         }
9462 }
9463
9464 void
9465 shutdown_cleanup(void)
9466 {
9467         int i, num_screens;
9468
9469         /* disable alarm because the following code may not be interrupted */
9470         alarm(0);
9471         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
9472                 err(1, "can't disable alarm");
9473
9474         bar_extra_stop();
9475         unmap_all();
9476
9477         cursors_cleanup();
9478
9479         teardown_ewmh();
9480
9481         num_screens = get_screen_count();
9482         for (i = 0; i < num_screens; ++i) {
9483                 if (screens[i].bar_gc != 0)
9484                         xcb_free_gc(conn, screens[i].bar_gc);
9485                 if (!bar_font_legacy)
9486                         XftColorFree(display, DefaultVisual(display, i),
9487                             DefaultColormap(display, i), &bar_font_color);
9488         }
9489
9490         if (bar_font_legacy)
9491                 XFreeFontSet(display, bar_fs);
9492         else {
9493                 XftFontClose(display, bar_font);
9494         }
9495
9496         xcb_key_symbols_free(syms);
9497         xcb_flush(conn);
9498         xcb_disconnect(conn);
9499 }
9500
9501 void
9502 event_error(xcb_generic_error_t *e)
9503 {
9504         (void)e;
9505
9506         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
9507             "resource_id: %u, minor_code: %u\n",
9508             xcb_event_get_error_label(e->error_code), e->error_code,
9509             xcb_event_get_request_label(e->major_code), e->major_code,
9510             e->sequence, e->resource_id, e->minor_code);
9511 }
9512
9513 void
9514 event_handle(xcb_generic_event_t *evt)
9515 {
9516         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
9517
9518         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d), seq %u\n",
9519             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
9520             XCB_EVENT_RESPONSE_TYPE(evt), evt->sequence);
9521
9522         switch (type) {
9523 #define EVENT(type, callback) case type: callback((void *)evt); return
9524         EVENT(0, event_error);
9525         EVENT(XCB_BUTTON_PRESS, buttonpress);
9526         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
9527         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
9528         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
9529         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
9530         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
9531         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
9532         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
9533         /*EVENT(XCB_CREATE_NOTIFY, );*/
9534         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
9535         EVENT(XCB_ENTER_NOTIFY, enternotify);
9536         EVENT(XCB_EXPOSE, expose);
9537 #ifdef SWM_DEBUG
9538         EVENT(XCB_FOCUS_IN, focusin);
9539         EVENT(XCB_FOCUS_OUT, focusout);
9540 #endif
9541         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
9542         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
9543         EVENT(XCB_KEY_PRESS, keypress);
9544         /*EVENT(XCB_KEY_RELEASE, keypress);*/
9545         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
9546 #ifdef SWM_DEBUG
9547         EVENT(XCB_LEAVE_NOTIFY, leavenotify);
9548 #endif
9549         EVENT(XCB_MAP_NOTIFY, mapnotify);
9550         EVENT(XCB_MAP_REQUEST, maprequest);
9551         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
9552         EVENT(XCB_MOTION_NOTIFY, motionnotify);
9553         /*EVENT(XCB_NO_EXPOSURE, );*/
9554         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
9555         /*EVENT(XCB_REPARENT_NOTIFY, );*/
9556         /*EVENT(XCB_RESIZE_REQUEST, );*/
9557         /*EVENT(XCB_SELECTION_CLEAR, );*/
9558         /*EVENT(XCB_SELECTION_NOTIFY, );*/
9559         /*EVENT(XCB_SELECTION_REQUEST, );*/
9560         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
9561         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
9562 #undef EVENT
9563         }
9564         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
9565                 screenchange((void *)evt);
9566 }
9567
9568 int
9569 main(int argc, char *argv[])
9570 {
9571         struct swm_region       *r;
9572         char                    conf[PATH_MAX], *cfile = NULL;
9573         struct stat             sb;
9574         int                     xfd, i, num_screens, startup = 1;
9575         struct sigaction        sact;
9576         xcb_generic_event_t     *evt;
9577         struct timeval          tv;
9578         fd_set                  rd;
9579         int                     rd_max;
9580         int                     stdin_ready = 0;
9581         int                     num_readable;
9582
9583         /* suppress unused warning since var is needed */
9584         (void)argc;
9585
9586         time_started = time(NULL);
9587
9588         start_argv = argv;
9589         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
9590         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
9591                 warnx("no locale support");
9592
9593         /* handle some signals */
9594         bzero(&sact, sizeof(sact));
9595         sigemptyset(&sact.sa_mask);
9596         sact.sa_flags = 0;
9597         sact.sa_handler = sighdlr;
9598         sigaction(SIGINT, &sact, NULL);
9599         sigaction(SIGQUIT, &sact, NULL);
9600         sigaction(SIGTERM, &sact, NULL);
9601         sigaction(SIGHUP, &sact, NULL);
9602
9603         sact.sa_handler = sighdlr;
9604         sact.sa_flags = SA_NOCLDSTOP;
9605         sigaction(SIGCHLD, &sact, NULL);
9606
9607         if (!(display = XOpenDisplay(0)))
9608                 errx(1, "can not open display");
9609
9610         conn = XGetXCBConnection(display);
9611         if (xcb_connection_has_error(conn))
9612                 errx(1, "can not get XCB connection");
9613
9614         XSetEventQueueOwner(display, XCBOwnsEventQueue);
9615
9616         xcb_prefetch_extension_data(conn, &xcb_randr_id);
9617         xfd = xcb_get_file_descriptor(conn);
9618
9619         /* look for local and global conf file */
9620         pwd = getpwuid(getuid());
9621         if (pwd == NULL)
9622                 errx(1, "invalid user: %d", getuid());
9623
9624         xcb_grab_server(conn);
9625         xcb_aux_sync(conn);
9626
9627         /* flush all events */
9628         while ((evt = xcb_poll_for_event(conn))) {
9629                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
9630                         event_handle(evt);
9631                 free(evt);
9632         }
9633
9634         if (enable_wm() != 0)
9635                 errx(1, "another window manager is currently running");
9636
9637         /* Load Xcursors and/or cursorfont glyph cursors. */
9638         cursors_load();
9639
9640         xcb_aux_sync(conn);
9641
9642         setup_globals();
9643         setup_screens();
9644         setup_keys();
9645         setup_quirks();
9646         setup_spawn();
9647
9648         /* load config */
9649         for (i = 0; ; i++) {
9650                 conf[0] = '\0';
9651                 switch (i) {
9652                 case 0:
9653                         /* ~ */
9654                         snprintf(conf, sizeof conf, "%s/.%s",
9655                             pwd->pw_dir, SWM_CONF_FILE);
9656                         break;
9657                 case 1:
9658                         /* global */
9659                         snprintf(conf, sizeof conf, "/etc/%s",
9660                             SWM_CONF_FILE);
9661                         break;
9662                 case 2:
9663                         /* ~ compat */
9664                         snprintf(conf, sizeof conf, "%s/.%s",
9665                             pwd->pw_dir, SWM_CONF_FILE_OLD);
9666                         break;
9667                 case 3:
9668                         /* global compat */
9669                         snprintf(conf, sizeof conf, "/etc/%s",
9670                             SWM_CONF_FILE_OLD);
9671                         break;
9672                 default:
9673                         goto noconfig;
9674                 }
9675
9676                 if (strlen(conf) && stat(conf, &sb) != -1)
9677                         if (S_ISREG(sb.st_mode)) {
9678                                 cfile = conf;
9679                                 break;
9680                         }
9681         }
9682 noconfig:
9683
9684         /* load conf (if any) */
9685         if (cfile)
9686                 conf_load(cfile, SWM_CONF_DEFAULT);
9687
9688         validate_spawns();
9689
9690         setup_ewmh();
9691         /* set some values to work around bad programs */
9692         workaround();
9693         /* grab existing windows (before we build the bars) */
9694         grab_windows();
9695
9696         if (getenv("SWM_STARTED") == NULL)
9697                 setenv("SWM_STARTED", "YES", 1);
9698
9699         /* setup all bars */
9700         num_screens = get_screen_count();
9701         for (i = 0; i < num_screens; i++)
9702                 TAILQ_FOREACH(r, &screens[i].rl, entry)
9703                         bar_setup(r);
9704
9705         grabkeys();
9706         stack();
9707         bar_draw();
9708
9709         xcb_ungrab_server(conn);
9710         xcb_flush(conn);
9711
9712         rd_max = xfd > STDIN_FILENO ? xfd : STDIN_FILENO;
9713
9714         while (running) {
9715                 while ((evt = xcb_poll_for_event(conn))) {
9716                         if (!running)
9717                                 goto done;
9718                         event_handle(evt);
9719                         free(evt);
9720                 }
9721
9722                 /* If just (re)started, set default focus if needed. */
9723                 if (startup) {
9724                         startup = 0;
9725
9726                         if (focus_mode != SWM_FOCUS_FOLLOW) {
9727                                 r = TAILQ_FIRST(&screens[0].rl);
9728                                 if (r) {
9729                                         focus_region(r);
9730                                         focus_flush();
9731                                 }
9732                                 continue;
9733                         }
9734                 }
9735
9736                 FD_ZERO(&rd);
9737
9738                 if (bar_extra)
9739                         FD_SET(STDIN_FILENO, &rd);
9740
9741                 FD_SET(xfd, &rd);
9742                 tv.tv_sec = 1;
9743                 tv.tv_usec = 0;
9744                 num_readable = select(rd_max + 1, &rd, NULL, NULL, &tv);
9745                 if (num_readable == -1 && errno != EINTR) {
9746                         DNPRINTF(SWM_D_MISC, "select failed");
9747                 } else if (num_readable > 0 && FD_ISSET(STDIN_FILENO, &rd)) {
9748                         stdin_ready = 1;
9749                 }
9750
9751                 if (restart_wm)
9752                         restart(NULL, NULL);
9753
9754                 if (search_resp)
9755                         search_do_resp();
9756
9757                 if (!running)
9758                         goto done;
9759
9760                 if (stdin_ready) {
9761                         stdin_ready = 0;
9762                         bar_extra_update();
9763                 }
9764
9765                 bar_draw();
9766                 xcb_flush(conn);
9767         }
9768 done:
9769         shutdown_cleanup();
9770
9771         return (0);
9772 }