spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2013 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  * Copyright (c) 2012-2013 David Hill <dhill@mindcry.org>
  12  *
  13  * Permission to use, copy, modify, and distribute this software for any
  14  * purpose with or without fee is hereby granted, provided that the above
  15  * copyright notice and this permission notice appear in all copies.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  18  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  20  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  21  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  22  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  23  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  24  */
  25 /*
  26  * Much code and ideas taken from dwm under the following license:
  27  * MIT/X Consortium License
  28  *
  29  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  30  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  31  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  32  * 2007 Premysl Hruby <dfenze at gmail dot com>
  33  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  34  * 2007 Christof Musik <christof at sendfax dot de>
  35  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  36  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  37  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  38  *
  39  * Permission is hereby granted, free of charge, to any person obtaining a
  40  * copy of this software and associated documentation files (the "Software"),
  41  * to deal in the Software without restriction, including without limitation
  42  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  43  * and/or sell copies of the Software, and to permit persons to whom the
  44  * Software is furnished to do so, subject to the following conditions:
  45  *
  46  * The above copyright notice and this permission notice shall be included in
  47  * all copies or substantial portions of the Software.
  48  *
  49  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  50  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  51  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  52  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  53  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  54  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  55  * DEALINGS IN THE SOFTWARE.
  56  */
  57
  58 /* kernel includes */
  59 #include <sys/types.h>
  60 #include <sys/time.h>
  61 #include <sys/stat.h>
  62 #include <sys/wait.h>
  63 #include <sys/queue.h>
  64 #include <sys/param.h>
  65 #include <sys/select.h>
  66 #if defined(__linux__)
  67 #include "tree.h"
  68 #elif defined(__OpenBSD__)
  69 #include <sys/tree.h>
  70 #elif defined(__FreeBSD__)
  71 #include <sys/tree.h>
  72 #else
  73 #include "tree.h"
  74 #endif
  75
  76 /* /usr/includes */
  77 #include <ctype.h>
  78 #include <err.h>
  79 #include <errno.h>
  80 #include <fcntl.h>
  81 #include <locale.h>
  82 #include <paths.h>
  83 #include <pwd.h>
  84 #include <signal.h>
  85 #include <stdio.h>
  86 #include <stdlib.h>
  87 #include <string.h>
  88 #include <time.h>
  89 #include <unistd.h>
  90 #include <util.h>
  91 #include <X11/cursorfont.h>
  92 #include <X11/extensions/Xrandr.h>
  93 #include <X11/Xcursor/Xcursor.h>
  94 #include <X11/Xft/Xft.h>
  95 #include <X11/Xlib-xcb.h>
  96 #include <xcb/xcb_atom.h>
  97 #include <xcb/xcb_aux.h>
  98 #include <xcb/xcb_event.h>
  99 #include <xcb/xcb_icccm.h>
 100 #include <xcb/xcb_keysyms.h>
 101 #include <xcb/xtest.h>
 102 #include <xcb/randr.h>
 103
 104 /* local includes */
 105 #include "version.h"
 106 #ifdef __OSX__
 107 #include <osx.h>
 108 #endif
 109
 110 #ifdef SPECTRWM_BUILDSTR
 111 static const char       *buildstr = SPECTRWM_BUILDSTR;
 112 #else
 113 static const char       *buildstr = SPECTRWM_VERSION;
 114 #endif
 115
 116 #if !defined(__CYGWIN__) /* cygwin chokes on xrandr stuff */
 117 #  if RANDR_MAJOR < 1
 118 #    error XRandR versions less than 1.0 are not supported
 119 #endif
 120
 121 #  if RANDR_MAJOR >= 1
 122 #    if RANDR_MINOR >= 2
 123 #      define SWM_XRR_HAS_CRTC
 124 #    endif
 125 #  endif
 126 #endif /* __CYGWIN__ */
 127
 128 #ifndef XCB_ICCCM_NUM_WM_HINTS_ELEMENTS
 129 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 130 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 131 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 132 #define XCB_ICCCM_WM_HINT_INPUT                 XCB_WM_HINT_INPUT
 133 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 134 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 135 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 136 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 137 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 138 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 139 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 140 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 141 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 142 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 143 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 144 #define xcb_icccm_wm_hints_get_urgency          xcb_wm_hints_get_urgency
 145 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 146 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 147 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 148 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 149 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 150 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 151 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 152 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 153 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 154 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 155 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 156 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 157 #endif
 158
 159 /*#define SWM_DEBUG*/
 160 #ifdef SWM_DEBUG
 161 #define DPRINTF(x...) do {                                                      \
 162         if (swm_debug)                                                          \
 163                 fprintf(stderr, x);                                             \
 164 } while (0)
 165 #define DNPRINTF(n,x...) do {                                                   \
 166         if (swm_debug & n) {                                                    \
 167                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 168                 fprintf(stderr, x);                                             \
 169         }                                                                       \
 170 } while (0)
 171 #define SWM_D_MISC              0x0001
 172 #define SWM_D_EVENT             0x0002
 173 #define SWM_D_WS                0x0004
 174 #define SWM_D_FOCUS             0x0008
 175 #define SWM_D_MOVE              0x0010
 176 #define SWM_D_STACK             0x0020
 177 #define SWM_D_MOUSE             0x0040
 178 #define SWM_D_PROP              0x0080
 179 #define SWM_D_CLASS             0x0100
 180 #define SWM_D_KEY               0x0200
 181 #define SWM_D_QUIRK             0x0400
 182 #define SWM_D_SPAWN             0x0800
 183 #define SWM_D_EVENTQ            0x1000
 184 #define SWM_D_CONF              0x2000
 185 #define SWM_D_BAR               0x4000
 186 #define SWM_D_INIT              0x8000
 187
 188 u_int32_t               swm_debug = 0
 189                             | SWM_D_MISC
 190                             | SWM_D_EVENT
 191                             | SWM_D_WS
 192                             | SWM_D_FOCUS
 193                             | SWM_D_MOVE
 194                             | SWM_D_STACK
 195                             | SWM_D_MOUSE
 196                             | SWM_D_PROP
 197                             | SWM_D_CLASS
 198                             | SWM_D_KEY
 199                             | SWM_D_QUIRK
 200                             | SWM_D_SPAWN
 201                             | SWM_D_EVENTQ
 202                             | SWM_D_CONF
 203                             | SWM_D_BAR
 204                             | SWM_D_INIT
 205                             ;
 206 #else
 207 #define DPRINTF(x...)
 208 #define DNPRINTF(n,x...)
 209 #endif
 210
 211 /* convert 8-bit to 16-bit */
 212 #define RGB_8_TO_16(col)        ((col) << 8) + (col)
 213
 214 #define PIXEL_TO_XRENDERCOLOR(px, xrc)                                  \
 215         xrc.red = RGB_8_TO_16((px) >> 16 & 0xff);                       \
 216         xrc.green = RGB_8_TO_16((px) >> 8 & 0xff);                      \
 217         xrc.blue = RGB_8_TO_16((px) & 0xff);                            \
 218         xrc.alpha = 0xffff;
 219
 220 #define LENGTH(x)               (int)(sizeof (x) / sizeof (x)[0])
 221 #define MODKEY                  XCB_MOD_MASK_1
 222 #define CLEANMASK(mask)         ((mask) & ~(numlockmask | XCB_MOD_MASK_LOCK))
 223 #define BUTTONMASK              (XCB_EVENT_MASK_BUTTON_PRESS |          \
 224     XCB_EVENT_MASK_BUTTON_RELEASE)
 225 #define MOUSEMASK               (BUTTONMASK|XCB_EVENT_MASK_POINTER_MOTION)
 226 #define SWM_PROPLEN             (16)
 227 #define SWM_FUNCNAME_LEN        (32)
 228 #define SWM_KEYS_LEN            (255)
 229 #define SWM_QUIRK_LEN           (64)
 230 #define X(r)                    (r)->g.x
 231 #define Y(r)                    (r)->g.y
 232 #define WIDTH(r)                (r)->g.w
 233 #define HEIGHT(r)               (r)->g.h
 234 #define BORDER(w)               ((w)->bordered ? border_width : 0)
 235 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 236 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 237 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 238 #define SH_MIN_W(w)             (w)->sh.min_width
 239 #define SH_MIN_H(w)             (w)->sh.min_height
 240 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 241 #define SH_MAX_W(w)             (w)->sh.max_width
 242 #define SH_MAX_H(w)             (w)->sh.max_height
 243 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 244 #define SH_INC_W(w)             (w)->sh.width_inc
 245 #define SH_INC_H(w)             (w)->sh.height_inc
 246 #define SWM_MAX_FONT_STEPS      (3)
 247 #define WINID(w)                ((w) ? (w)->id : XCB_WINDOW_NONE)
 248 #define WS_FOCUSED(ws)          ((ws)->r && (ws)->r->s->r_focus == (ws)->r)
 249 #define YESNO(x)                ((x) ? "yes" : "no")
 250
 251 /* Constrain Window flags */
 252 #define SWM_CW_RESIZABLE        (0x01)
 253 #define SWM_CW_SOFTBOUNDARY     (0x02)
 254 #define SWM_CW_HARDBOUNDARY     (0x04)
 255 #define SWM_CW_RIGHT            (0x10)
 256 #define SWM_CW_LEFT             (0x20)
 257 #define SWM_CW_BOTTOM           (0x40)
 258 #define SWM_CW_TOP              (0x80)
 259 #define SWM_CW_ALLSIDES         (0xf0)
 260
 261 #define SWM_FOCUS_DEFAULT       (0)
 262 #define SWM_FOCUS_FOLLOW        (1)
 263 #define SWM_FOCUS_MANUAL        (2)
 264
 265 #define SWM_CK_NONE             0
 266 #define SWM_CK_ALL              0xf
 267 #define SWM_CK_FOCUS            0x1
 268 #define SWM_CK_POINTER          0x2
 269 #define SWM_CK_FALLBACK         0x4
 270 #define SWM_CK_REGION           0x8
 271
 272 #define SWM_CONF_DEFAULT        (0)
 273 #define SWM_CONF_KEYMAPPING     (1)
 274
 275 #ifndef SWM_LIB
 276 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 277 #endif
 278
 279 char                    **start_argv;
 280 xcb_atom_t              a_state;
 281 xcb_atom_t              a_prot;
 282 xcb_atom_t              a_delete;
 283 xcb_atom_t              a_takefocus;
 284 xcb_atom_t              a_utf8_string;
 285 xcb_atom_t              a_swm_iconic;
 286 xcb_atom_t              a_swm_ws;
 287 volatile sig_atomic_t   running = 1;
 288 volatile sig_atomic_t   restart_wm = 0;
 289 xcb_timestamp_t         last_event_time = 0;
 290 int                     outputs = 0;
 291 int                     other_wm;
 292 int                     xrandr_support;
 293 int                     xrandr_eventbase;
 294 unsigned int            numlockmask = 0;
 295
 296 Display                 *display;
 297 xcb_connection_t        *conn;
 298 xcb_key_symbols_t       *syms;
 299
 300 int                     boundary_width = 50;
 301 int                     cycle_empty = 0;
 302 int                     cycle_visible = 0;
 303 int                     term_width = 0;
 304 int                     font_adjusted = 0;
 305 unsigned int            mod_key = MODKEY;
 306
 307 /* dmenu search */
 308 struct swm_region       *search_r;
 309 int                     select_list_pipe[2];
 310 int                     select_resp_pipe[2];
 311 pid_t                   searchpid;
 312 volatile sig_atomic_t   search_resp;
 313 int                     search_resp_action;
 314
 315 struct search_window {
 316         TAILQ_ENTRY(search_window)      entry;
 317         int                             idx;
 318         struct ws_win                   *win;
 319         xcb_gcontext_t                  gc;
 320         xcb_window_t                    indicator;
 321 };
 322 TAILQ_HEAD(search_winlist, search_window);
 323 struct search_winlist                   search_wl;
 324
 325 /* search actions */
 326 enum {
 327         SWM_SEARCH_NONE,
 328         SWM_SEARCH_UNICONIFY,
 329         SWM_SEARCH_NAME_WORKSPACE,
 330         SWM_SEARCH_SEARCH_WORKSPACE,
 331         SWM_SEARCH_SEARCH_WINDOW
 332 };
 333
 334 #define SWM_STACK_TOP           (0)
 335 #define SWM_STACK_BOTTOM        (1)
 336 #define SWM_STACK_ABOVE         (2)
 337 #define SWM_STACK_BELOW         (3)
 338
 339 /* dialog windows */
 340 double                  dialog_ratio = 0.6;
 341 /* status bar */
 342 #define SWM_BAR_MAX             (256)
 343 #define SWM_BAR_JUSTIFY_LEFT    (0)
 344 #define SWM_BAR_JUSTIFY_CENTER  (1)
 345 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 346 #define SWM_BAR_OFFSET          (4)
 347 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-12-*-*-*-*-*-*-*," \
 348                                 "-*-profont-*-*-*-*-12-*-*-*-*-*-*-*,"      \
 349                                 "-*-times-medium-r-*-*-12-*-*-*-*-*-*-*,"    \
 350                                 "-misc-fixed-medium-r-*-*-12-*-*-*-*-*-*-*,"  \
 351                                 "-*-*-*-r-*-*-*-*-*-*-*-*-*-*"
 352
 353 #ifdef X_HAVE_UTF8_STRING
 354 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 355 #else
 356 #define DRAWSTRING(x...)        XmbDrawString(x)
 357 #endif
 358
 359 char            *bar_argv[] = { NULL, NULL };
 360 int              bar_pipe[2];
 361 char             bar_ext[SWM_BAR_MAX];
 362 char             bar_ext_buf[SWM_BAR_MAX];
 363 char             bar_vertext[SWM_BAR_MAX];
 364 int              bar_version = 0;
 365 int              bar_enabled = 1;
 366 int              bar_border_width = 1;
 367 int              bar_at_bottom = 0;
 368 int              bar_extra = 0;
 369 int              bar_verbose = 1;
 370 int              bar_height = 0;
 371 int              bar_justify = SWM_BAR_JUSTIFY_LEFT;
 372 char             *bar_format = NULL;
 373 int              stack_enabled = 1;
 374 int              clock_enabled = 1;
 375 int              urgent_enabled = 0;
 376 char            *clock_format = NULL;
 377 int              title_name_enabled = 0;
 378 int              title_class_enabled = 0;
 379 int              window_name_enabled = 0;
 380 int              focus_mode = SWM_FOCUS_DEFAULT;
 381 int              focus_close = SWM_STACK_BELOW;
 382 int              focus_close_wrap = 1;
 383 int              focus_default = SWM_STACK_TOP;
 384 int              spawn_position = SWM_STACK_TOP;
 385 int              disable_border = 0;
 386 int              border_width = 1;
 387 int              region_padding = 0;
 388 int              tile_gap = 0;
 389 int              verbose_layout = 0;
 390 time_t           time_started;
 391 pid_t            bar_pid;
 392 XFontSet         bar_fs;
 393 XFontSetExtents *bar_fs_extents;
 394 XftFont         *bar_font;
 395 int              bar_font_legacy = 1;
 396 char            *bar_fonts;
 397 XftColor         bar_font_color;
 398 struct passwd   *pwd;
 399 char            *startup_exception;
 400 unsigned int     nr_exceptions = 0;
 401
 402 /* layout manager data */
 403 struct swm_geometry {
 404         int                     x;
 405         int                     y;
 406         int                     w;
 407         int                     h;
 408 };
 409
 410 struct swm_screen;
 411 struct workspace;
 412
 413 struct swm_bar {
 414         xcb_window_t            id;
 415         xcb_pixmap_t            buffer;
 416         struct swm_geometry     g;
 417 };
 418
 419 /* virtual "screens" */
 420 struct swm_region {
 421         TAILQ_ENTRY(swm_region) entry;
 422         xcb_window_t            id;
 423         struct swm_geometry     g;
 424         struct workspace        *ws;    /* current workspace on this region */
 425         struct workspace        *ws_prior; /* prior workspace on this region */
 426         struct swm_screen       *s;     /* screen idx */
 427         struct swm_bar          *bar;
 428 };
 429 TAILQ_HEAD(swm_region_list, swm_region);
 430
 431 struct ws_win {
 432         TAILQ_ENTRY(ws_win)     entry;
 433         xcb_window_t            id;
 434         xcb_window_t            transient;
 435         struct ws_win           *focus_child;   /* focus on child transient */
 436         struct swm_geometry     g;              /* current geometry */
 437         struct swm_geometry     g_float;        /* region coordinates */
 438         int                     g_floatvalid;   /* g_float geometry validity */
 439         int                     floatmaxed;     /* whether maxed by max_stack */
 440         int                     floating;
 441         int                     manual;
 442         int32_t                 mapped;
 443         int32_t                 iconic;
 444         int                     bordered;
 445         unsigned int            ewmh_flags;
 446         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 447         int                     font_steps;
 448         int                     last_inc;
 449         int                     can_delete;
 450         int                     take_focus;
 451         int                     java;
 452         unsigned long           quirks;
 453         struct workspace        *ws;    /* always valid */
 454         struct swm_screen       *s;     /* always valid, never changes */
 455         xcb_get_geometry_reply_t        *wa;
 456         xcb_size_hints_t        sh;
 457         xcb_icccm_get_wm_class_reply_t  ch;
 458         xcb_icccm_wm_hints_t    hints;
 459 };
 460 TAILQ_HEAD(ws_win_list, ws_win);
 461
 462 /* pid goo */
 463 struct pid_e {
 464         TAILQ_ENTRY(pid_e)      entry;
 465         pid_t                   pid;
 466         int                     ws;
 467 };
 468 TAILQ_HEAD(pid_list, pid_e);
 469 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 470
 471 /* layout handlers */
 472 void    stack(void);
 473 void    vertical_config(struct workspace *, int);
 474 void    vertical_stack(struct workspace *, struct swm_geometry *);
 475 void    horizontal_config(struct workspace *, int);
 476 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 477 void    max_stack(struct workspace *, struct swm_geometry *);
 478 void    plain_stacker(struct workspace *);
 479 void    fancy_stacker(struct workspace *);
 480
 481 struct layout {
 482         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 483         void            (*l_config)(struct workspace *, int);
 484         u_int32_t       flags;
 485 #define SWM_L_FOCUSPREV         (1<<0)
 486 #define SWM_L_MAPONFOCUS        (1<<1)
 487         void            (*l_string)(struct workspace *);
 488 } layouts[] =  {
 489         /* stack,               configure */
 490         { vertical_stack,       vertical_config,        0,      plain_stacker },
 491         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 492         { max_stack,            NULL,
 493           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 494         { NULL,                 NULL,                   0,      NULL  },
 495 };
 496
 497 /* position of max_stack mode in the layouts array, index into layouts! */
 498 #define SWM_V_STACK             (0)
 499 #define SWM_H_STACK             (1)
 500 #define SWM_MAX_STACK           (2)
 501
 502 #define SWM_H_SLICE             (32)
 503 #define SWM_V_SLICE             (32)
 504
 505 /* define work spaces */
 506 struct workspace {
 507         int                     idx;            /* workspace index */
 508         char                    *name;          /* workspace name */
 509         int                     always_raise;   /* raise windows on focus */
 510         int                     bar_enabled;    /* bar visibility */
 511         struct layout           *cur_layout;    /* current layout handlers */
 512         struct ws_win           *focus;         /* may be NULL */
 513         struct ws_win           *focus_prev;    /* may be NULL */
 514         struct ws_win           *focus_pending; /* may be NULL */
 515         struct swm_region       *r;             /* may be NULL */
 516         struct swm_region       *old_r;         /* may be NULL */
 517         struct ws_win_list      winlist;        /* list of windows in ws */
 518         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 519         char                    stacker[10];    /* display stacker and layout */
 520
 521         /* stacker state */
 522         struct {
 523                                 int horizontal_msize;
 524                                 int horizontal_mwin;
 525                                 int horizontal_stacks;
 526                                 int horizontal_flip;
 527                                 int vertical_msize;
 528                                 int vertical_mwin;
 529                                 int vertical_stacks;
 530                                 int vertical_flip;
 531         } l_state;
 532 };
 533
 534 enum {
 535         SWM_S_COLOR_BAR,
 536         SWM_S_COLOR_BAR_BORDER,
 537         SWM_S_COLOR_BAR_BORDER_UNFOCUS,
 538         SWM_S_COLOR_BAR_FONT,
 539         SWM_S_COLOR_FOCUS,
 540         SWM_S_COLOR_UNFOCUS,
 541         SWM_S_COLOR_MAX
 542 };
 543
 544 /* physical screen mapping */
 545 #define SWM_WS_MAX              (22)    /* hard limit */
 546 int             workspace_limit = 10;   /* soft limit */
 547
 548 struct swm_screen {
 549         int                     idx;    /* screen index */
 550         struct swm_region_list  rl;     /* list of regions on this screen */
 551         struct swm_region_list  orl;    /* list of old regions */
 552         xcb_window_t            root;
 553         struct workspace        ws[SWM_WS_MAX];
 554         struct swm_region       *r_focus;
 555
 556         /* colors */
 557         struct {
 558                 uint32_t        pixel;
 559                 char            *name;
 560         } c[SWM_S_COLOR_MAX];
 561
 562         xcb_gcontext_t          bar_gc;
 563         GC                      bar_gc_legacy;
 564 };
 565 struct swm_screen       *screens;
 566
 567 /* args to functions */
 568 union arg {
 569         int                     id;
 570 #define SWM_ARG_ID_FOCUSNEXT    (0)
 571 #define SWM_ARG_ID_FOCUSPREV    (1)
 572 #define SWM_ARG_ID_FOCUSMAIN    (2)
 573 #define SWM_ARG_ID_FOCUSURGENT  (3)
 574 #define SWM_ARG_ID_SWAPNEXT     (10)
 575 #define SWM_ARG_ID_SWAPPREV     (11)
 576 #define SWM_ARG_ID_SWAPMAIN     (12)
 577 #define SWM_ARG_ID_MOVELAST     (13)
 578 #define SWM_ARG_ID_MASTERSHRINK (20)
 579 #define SWM_ARG_ID_MASTERGROW   (21)
 580 #define SWM_ARG_ID_MASTERADD    (22)
 581 #define SWM_ARG_ID_MASTERDEL    (23)
 582 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 583 #define SWM_ARG_ID_STACKRESET   (30)
 584 #define SWM_ARG_ID_STACKINIT    (31)
 585 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 586 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 587 #define SWM_ARG_ID_CYCLERG_UP   (42)
 588 #define SWM_ARG_ID_CYCLERG_DOWN (43)
 589 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 590 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 591 #define SWM_ARG_ID_CYCLEWS_MOVE_UP      (46)
 592 #define SWM_ARG_ID_CYCLEWS_MOVE_DOWN    (47)
 593 #define SWM_ARG_ID_STACKINC     (50)
 594 #define SWM_ARG_ID_STACKDEC     (51)
 595 #define SWM_ARG_ID_SS_ALL       (60)
 596 #define SWM_ARG_ID_SS_WINDOW    (61)
 597 #define SWM_ARG_ID_DONTCENTER   (70)
 598 #define SWM_ARG_ID_CENTER       (71)
 599 #define SWM_ARG_ID_KILLWINDOW   (80)
 600 #define SWM_ARG_ID_DELETEWINDOW (81)
 601 #define SWM_ARG_ID_WIDTHGROW    (90)
 602 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 603 #define SWM_ARG_ID_HEIGHTGROW   (92)
 604 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 605 #define SWM_ARG_ID_MOVEUP       (100)
 606 #define SWM_ARG_ID_MOVEDOWN     (101)
 607 #define SWM_ARG_ID_MOVELEFT     (102)
 608 #define SWM_ARG_ID_MOVERIGHT    (103)
 609 #define SWM_ARG_ID_BAR_TOGGLE   (110)
 610 #define SWM_ARG_ID_BAR_TOGGLE_WS        (111)
 611         char                    **argv;
 612 };
 613
 614 /* quirks */
 615 struct quirk {
 616         TAILQ_ENTRY(quirk)      entry;
 617         char                    *class;
 618         char                    *name;
 619         unsigned long           quirk;
 620 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 621 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 622 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 623 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 624 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 625 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 626 #define SWM_Q_NOFOCUSONMAP      (1<<6)  /* Don't focus on window when mapped. */
 627 #define SWM_Q_FOCUSONMAP_SINGLE (1<<7)  /* Only focus if single win of type. */
 628 };
 629 TAILQ_HEAD(quirk_list, quirk);
 630 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 631
 632 /*
 633  * Supported EWMH hints should be added to
 634  * both the enum and the ewmh array
 635  */
 636 enum {
 637         _NET_ACTIVE_WINDOW,
 638         _NET_CLOSE_WINDOW,
 639         _NET_MOVERESIZE_WINDOW,
 640         _NET_WM_ACTION_ABOVE,
 641         _NET_WM_ACTION_CLOSE,
 642         _NET_WM_ACTION_FULLSCREEN,
 643         _NET_WM_ACTION_MOVE,
 644         _NET_WM_ACTION_RESIZE,
 645         _NET_WM_ALLOWED_ACTIONS,
 646         _NET_WM_NAME,
 647         _NET_WM_STATE,
 648         _NET_WM_STATE_ABOVE,
 649         _NET_WM_STATE_FULLSCREEN,
 650         _NET_WM_STATE_HIDDEN,
 651         _NET_WM_STATE_MAXIMIZED_HORZ,
 652         _NET_WM_STATE_MAXIMIZED_VERT,
 653         _NET_WM_STATE_SKIP_PAGER,
 654         _NET_WM_STATE_SKIP_TASKBAR,
 655         _NET_WM_WINDOW_TYPE,
 656         _NET_WM_WINDOW_TYPE_DIALOG,
 657         _NET_WM_WINDOW_TYPE_DOCK,
 658         _NET_WM_WINDOW_TYPE_NORMAL,
 659         _NET_WM_WINDOW_TYPE_SPLASH,
 660         _NET_WM_WINDOW_TYPE_TOOLBAR,
 661         _NET_WM_WINDOW_TYPE_UTILITY,
 662         _SWM_WM_STATE_MANUAL,
 663         SWM_EWMH_HINT_MAX
 664 };
 665
 666 struct ewmh_hint {
 667         char            *name;
 668         xcb_atom_t      atom;
 669 } ewmh[SWM_EWMH_HINT_MAX] =     {
 670     /* must be in same order as in the enum */
 671     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 672     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 673     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 674     {"_NET_WM_ACTION_ABOVE", XCB_ATOM_NONE},
 675     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 676     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 677     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 678     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 679     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 680     {"_NET_WM_NAME", XCB_ATOM_NONE},
 681     {"_NET_WM_STATE", XCB_ATOM_NONE},
 682     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 683     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 684     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 685     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 686     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 687     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 688     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 689     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 690     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 691     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 692     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 693     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 694     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 695     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 696     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 697 };
 698
 699 /* Cursors */
 700 enum {
 701         XC_FLEUR,
 702         XC_LEFT_PTR,
 703         XC_BOTTOM_LEFT_CORNER,
 704         XC_BOTTOM_RIGHT_CORNER,
 705         XC_SIZING,
 706         XC_TOP_LEFT_CORNER,
 707         XC_TOP_RIGHT_CORNER,
 708         XC_MAX
 709 };
 710
 711 struct cursors {
 712         char            *name; /* Name used by Xcursor .*/
 713         uint8_t         cf_char; /* cursorfont index. */
 714         xcb_cursor_t    cid;
 715 } cursors[XC_MAX] =     {
 716         {"fleur", XC_fleur, XCB_CURSOR_NONE},
 717         {"left_ptr", XC_left_ptr, XCB_CURSOR_NONE},
 718         {"bottom_left_corner", XC_bottom_left_corner, XCB_CURSOR_NONE},
 719         {"bottom_right_corner", XC_bottom_right_corner, XCB_CURSOR_NONE},
 720         {"sizing", XC_sizing, XCB_CURSOR_NONE},
 721         {"top_left_corner", XC_top_left_corner, XCB_CURSOR_NONE},
 722         {"top_right_corner", XC_top_right_corner, XCB_CURSOR_NONE},
 723 };
 724
 725 #define SWM_SPAWN_OPTIONAL              0x1
 726
 727 /* spawn */
 728 struct spawn_prog {
 729         TAILQ_ENTRY(spawn_prog) entry;
 730         char                    *name;
 731         int                     argc;
 732         char                    **argv;
 733         int                     flags;
 734 };
 735 TAILQ_HEAD(spawn_list, spawn_prog);
 736 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
 737
 738 /* user/key callable function IDs */
 739 enum keyfuncid {
 740         KF_BAR_TOGGLE,
 741         KF_BAR_TOGGLE_WS,
 742         KF_BUTTON2,
 743         KF_CYCLE_LAYOUT,
 744         KF_FLIP_LAYOUT,
 745         KF_FLOAT_TOGGLE,
 746         KF_FOCUS_MAIN,
 747         KF_FOCUS_NEXT,
 748         KF_FOCUS_PREV,
 749         KF_FOCUS_URGENT,
 750         KF_HEIGHT_GROW,
 751         KF_HEIGHT_SHRINK,
 752         KF_ICONIFY,
 753         KF_MASTER_SHRINK,
 754         KF_MASTER_GROW,
 755         KF_MASTER_ADD,
 756         KF_MASTER_DEL,
 757         KF_MOVE_DOWN,
 758         KF_MOVE_LEFT,
 759         KF_MOVE_RIGHT,
 760         KF_MOVE_UP,
 761         KF_MVRG_1,
 762         KF_MVRG_2,
 763         KF_MVRG_3,
 764         KF_MVRG_4,
 765         KF_MVRG_5,
 766         KF_MVRG_6,
 767         KF_MVRG_7,
 768         KF_MVRG_8,
 769         KF_MVRG_9,
 770         KF_MVWS_1,
 771         KF_MVWS_2,
 772         KF_MVWS_3,
 773         KF_MVWS_4,
 774         KF_MVWS_5,
 775         KF_MVWS_6,
 776         KF_MVWS_7,
 777         KF_MVWS_8,
 778         KF_MVWS_9,
 779         KF_MVWS_10,
 780         KF_MVWS_11,
 781         KF_MVWS_12,
 782         KF_MVWS_13,
 783         KF_MVWS_14,
 784         KF_MVWS_15,
 785         KF_MVWS_16,
 786         KF_MVWS_17,
 787         KF_MVWS_18,
 788         KF_MVWS_19,
 789         KF_MVWS_20,
 790         KF_MVWS_21,
 791         KF_MVWS_22,
 792         KF_NAME_WORKSPACE,
 793         KF_QUIT,
 794         KF_RAISE_TOGGLE,
 795         KF_RESTART,
 796         KF_RG_1,
 797         KF_RG_2,
 798         KF_RG_3,
 799         KF_RG_4,
 800         KF_RG_5,
 801         KF_RG_6,
 802         KF_RG_7,
 803         KF_RG_8,
 804         KF_RG_9,
 805         KF_RG_NEXT,
 806         KF_RG_PREV,
 807         KF_SCREEN_NEXT,
 808         KF_SCREEN_PREV,
 809         KF_SEARCH_WIN,
 810         KF_SEARCH_WORKSPACE,
 811         KF_SPAWN_CUSTOM,
 812         KF_STACK_INC,
 813         KF_STACK_DEC,
 814         KF_STACK_RESET,
 815         KF_SWAP_MAIN,
 816         KF_SWAP_NEXT,
 817         KF_SWAP_PREV,
 818         KF_UNICONIFY,
 819         KF_VERSION,
 820         KF_WIDTH_GROW,
 821         KF_WIDTH_SHRINK,
 822         KF_WIND_DEL,
 823         KF_WIND_KILL,
 824         KF_WS_1,
 825         KF_WS_2,
 826         KF_WS_3,
 827         KF_WS_4,
 828         KF_WS_5,
 829         KF_WS_6,
 830         KF_WS_7,
 831         KF_WS_8,
 832         KF_WS_9,
 833         KF_WS_10,
 834         KF_WS_11,
 835         KF_WS_12,
 836         KF_WS_13,
 837         KF_WS_14,
 838         KF_WS_15,
 839         KF_WS_16,
 840         KF_WS_17,
 841         KF_WS_18,
 842         KF_WS_19,
 843         KF_WS_20,
 844         KF_WS_21,
 845         KF_WS_22,
 846         KF_WS_NEXT,
 847         KF_WS_NEXT_ALL,
 848         KF_WS_NEXT_MOVE,
 849         KF_WS_PREV,
 850         KF_WS_PREV_ALL,
 851         KF_WS_PREV_MOVE,
 852         KF_WS_PRIOR,
 853         KF_DUMPWINS, /* MUST BE LAST */
 854         KF_INVALID
 855 };
 856
 857 struct key {
 858         RB_ENTRY(key)           entry;
 859         unsigned int            mod;
 860         KeySym                  keysym;
 861         enum keyfuncid          funcid;
 862         char                    *spawn_name;
 863 };
 864 RB_HEAD(key_tree, key);
 865
 866 /* function prototypes */
 867 void     adjust_font(struct ws_win *);
 868 void     bar_class_name(char *, size_t, struct swm_region *);
 869 void     bar_class_title_name(char *, size_t, struct swm_region *);
 870 void     bar_cleanup(struct swm_region *);
 871 void     bar_extra_setup(void);
 872 void     bar_extra_stop(void);
 873 int      bar_extra_update(void);
 874 void     bar_fmt(const char *, char *, struct swm_region *, size_t);
 875 void     bar_fmt_expand(char *, size_t);
 876 void     bar_draw(void);
 877 void     bar_print(struct swm_region *, const char *);
 878 void     bar_print_legacy(struct swm_region *, const char *);
 879 void     bar_replace(char *, char *, struct swm_region *, size_t);
 880 void     bar_replace_pad(char *, int *, size_t);
 881 char    *bar_replace_seq(char *, char *, struct swm_region *, size_t *, size_t);
 882 void     bar_setup(struct swm_region *);
 883 void     bar_title_name(char *, size_t, struct swm_region *);
 884 void     bar_toggle(struct swm_region *, union arg *);
 885 void     bar_urgent(char *, size_t);
 886 void     bar_window_float(char *, size_t, struct swm_region *);
 887 void     bar_window_name(char *, size_t, struct swm_region *);
 888 void     bar_workspace_name(char *, size_t, struct swm_region *);
 889 void     buttonpress(xcb_button_press_event_t *);
 890 void     check_conn(void);
 891 void     clear_keys(void);
 892 void     clientmessage(xcb_client_message_event_t *);
 893 void     client_msg(struct ws_win *, xcb_atom_t, xcb_timestamp_t);
 894 int      conf_load(const char *, int);
 895 void     configurenotify(xcb_configure_notify_event_t *);
 896 void     configurerequest(xcb_configure_request_event_t *);
 897 void     config_win(struct ws_win *, xcb_configure_request_event_t *);
 898 void     constrain_window(struct ws_win *, struct swm_geometry *, int *);
 899 int      count_win(struct workspace *, int);
 900 void     cursors_cleanup(void);
 901 void     cursors_load(void);
 902 void     custom_region(char *);
 903 void     cyclerg(struct swm_region *, union arg *);
 904 void     cyclews(struct swm_region *, union arg *);
 905 void     cycle_layout(struct swm_region *, union arg *);
 906 void     destroynotify(xcb_destroy_notify_event_t *);
 907 void     dumpwins(struct swm_region *, union arg *);
 908 int      enable_wm(void);
 909 void     enternotify(xcb_enter_notify_event_t *);
 910 void     event_drain(uint8_t);
 911 void     event_error(xcb_generic_error_t *);
 912 void     event_handle(xcb_generic_event_t *);
 913 void     ewmh_autoquirk(struct ws_win *);
 914 void     ewmh_get_win_state(struct ws_win *);
 915 int      ewmh_set_win_fullscreen(struct ws_win *, int);
 916 void     ewmh_update_actions(struct ws_win *);
 917 void     ewmh_update_win_state(struct ws_win *, xcb_atom_t, long);
 918 char    *expand_tilde(const char *);
 919 void     expose(xcb_expose_event_t *);
 920 void     fake_keypress(struct ws_win *, xcb_keysym_t, uint16_t);
 921 struct pid_e    *find_pid(pid_t);
 922 struct ws_win   *find_unmanaged_window(xcb_window_t);
 923 struct ws_win   *find_window(xcb_window_t);
 924 void     floating_toggle(struct swm_region *, union arg *);
 925 int      floating_toggle_win(struct ws_win *);
 926 void     focus(struct swm_region *, union arg *);
 927 #ifdef SWM_DEBUG
 928 void     focusin(xcb_focus_in_event_t *);
 929 void     focusout(xcb_focus_out_event_t *);
 930 #endif
 931 void     focus_flush(void);
 932 void     focus_region(struct swm_region *);
 933 void     focusrg(struct swm_region *, union arg *);
 934 void     focus_win(struct ws_win *);
 935 void     fontset_init(void);
 936 void     free_window(struct ws_win *);
 937 xcb_atom_t get_atom_from_string(const char *);
 938 #ifdef SWM_DEBUG
 939 char    *get_atom_name(xcb_atom_t);
 940 #endif
 941 struct ws_win   *get_focus_magic(struct ws_win *);
 942 struct ws_win   *get_focus_prev(struct ws_win *);
 943 #ifdef SWM_DEBUG
 944 char    *get_notify_detail_label(uint8_t);
 945 char    *get_notify_mode_label(uint8_t);
 946 #endif
 947 struct ws_win   *get_pointer_win(xcb_window_t);
 948 struct ws_win   *get_region_focus(struct swm_region *);
 949 int      get_region_index(struct swm_region *);
 950 xcb_screen_t    *get_screen(int);
 951 xcb_window_t     get_sibling(struct ws_win *, int);
 952 int      get_screen_count(void);
 953 #ifdef SWM_DEBUG
 954 char    *get_stack_mode_name(uint8_t);
 955 #endif
 956 int32_t  get_swm_iconic(struct ws_win *);
 957 char    *get_win_name(xcb_window_t);
 958 int      get_ws_idx(xcb_window_t);
 959 uint32_t getstate(xcb_window_t);
 960 void     grabbuttons(struct ws_win *);
 961 void     grabkeys(void);
 962 void     grab_windows(void);
 963 void     iconify(struct swm_region *, union arg *);
 964 int      isxlfd(char *);
 965 void     keypress(xcb_key_press_event_t *);
 966 int      key_cmp(struct key *, struct key *);
 967 void     key_insert(unsigned int, KeySym, enum keyfuncid, const char *);
 968 struct key      *key_lookup(unsigned int, KeySym);
 969 void     key_remove(struct key *);
 970 void     key_replace(struct key *, unsigned int, KeySym, enum keyfuncid,
 971              const char *);
 972 void     kill_bar_extra_atexit(void);
 973 void     kill_refs(struct ws_win *);
 974 #ifdef SWM_DEBUG
 975 void     leavenotify(xcb_leave_notify_event_t *);
 976 #endif
 977 void     load_float_geom(struct ws_win *);
 978 struct ws_win   *manage_window(xcb_window_t, uint16_t);
 979 void     map_window(struct ws_win *, xcb_window_t);
 980 void     mapnotify(xcb_map_notify_event_t *);
 981 void     mappingnotify(xcb_mapping_notify_event_t *);
 982 void     maprequest(xcb_map_request_event_t *);
 983 void     motionnotify(xcb_motion_notify_event_t *);
 984 void     move(struct ws_win *, union arg *);
 985 void     move_step(struct swm_region *, union arg *);
 986 uint32_t name_to_pixel(int, const char *);
 987 void     name_workspace(struct swm_region *, union arg *);
 988 void     new_region(struct swm_screen *, int, int, int, int);
 989 int      parsekeys(char *, unsigned int, unsigned int *, KeySym *);
 990 int      parsequirks(char *, unsigned long *);
 991 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 992 void     pressbutton(struct swm_region *, union arg *);
 993 void     priorws(struct swm_region *, union arg *);
 994 #ifdef SWM_DEBUG
 995 void     print_win_geom(xcb_window_t);
 996 #endif
 997 void     propertynotify(xcb_property_notify_event_t *);
 998 void     quirk_insert(const char *, const char *, unsigned long);
 999 void     quirk_remove(struct quirk *);
1000 void     quirk_replace(struct quirk *, const char *, const char *,
1001              unsigned long);
1002 void     quit(struct swm_region *, union arg *);
1003 void     raise_toggle(struct swm_region *, union arg *);
1004 void     region_containment(struct ws_win *, struct swm_region *, int);
1005 struct swm_region       *region_under(struct swm_screen *, int, int);
1006 void     regionize(struct ws_win *, int, int);
1007 void     resize(struct ws_win *, union arg *);
1008 void     resize_step(struct swm_region *, union arg *);
1009 void     restart(struct swm_region *, union arg *);
1010 struct swm_region       *root_to_region(xcb_window_t, int);
1011 void     screenchange(xcb_randr_screen_change_notify_event_t *);
1012 void     scan_xrandr(int);
1013 void     search_do_resp(void);
1014 void     search_resp_name_workspace(const char *, size_t);
1015 void     search_resp_search_window(const char *);
1016 void     search_resp_search_workspace(const char *);
1017 void     search_resp_uniconify(const char *, size_t);
1018 void     search_win(struct swm_region *, union arg *);
1019 void     search_win_cleanup(void);
1020 void     search_workspace(struct swm_region *, union arg *);
1021 void     send_to_rg(struct swm_region *, union arg *);
1022 void     send_to_ws(struct swm_region *, union arg *);
1023 void     set_region(struct swm_region *);
1024 int      setautorun(char *, char *, int);
1025 int      setconfbinding(char *, char *, int);
1026 int      setconfcolor(char *, char *, int);
1027 int      setconfmodkey(char *, char *, int);
1028 int      setconfquirk(char *, char *, int);
1029 int      setconfregion(char *, char *, int);
1030 int      setconfspawn(char *, char *, int);
1031 int      setconfvalue(char *, char *, int);
1032 void     setkeybinding(unsigned int, KeySym, enum keyfuncid, const char *);
1033 int      setkeymapping(char *, char *, int);
1034 int      setlayout(char *, char *, int);
1035 void     setquirk(const char *, const char *, unsigned long);
1036 void     setscreencolor(char *, int, int);
1037 void     setspawn(const char *, const char *, int);
1038 void     setup_ewmh(void);
1039 void     setup_globals(void);
1040 void     setup_keys(void);
1041 void     setup_quirks(void);
1042 void     setup_screens(void);
1043 void     setup_spawn(void);
1044 void     set_child_transient(struct ws_win *, xcb_window_t *);
1045 void     set_swm_iconic(struct ws_win *, int);
1046 void     set_win_state(struct ws_win *, uint16_t);
1047 void     shutdown_cleanup(void);
1048 void     sighdlr(int);
1049 void     socket_setnonblock(int);
1050 void     sort_windows(struct ws_win_list *);
1051 void     spawn(int, union arg *, int);
1052 void     spawn_custom(struct swm_region *, union arg *, const char *);
1053 int      spawn_expand(struct swm_region *, union arg *, const char *, char ***);
1054 void     spawn_insert(const char *, const char *, int);
1055 struct spawn_prog       *spawn_find(const char *);
1056 void     spawn_remove(struct spawn_prog *);
1057 void     spawn_replace(struct spawn_prog *, const char *, const char *, int);
1058 void     spawn_select(struct swm_region *, union arg *, const char *, int *);
1059 void     stack_config(struct swm_region *, union arg *);
1060 void     stack_floater(struct ws_win *, struct swm_region *);
1061 void     stack_master(struct workspace *, struct swm_geometry *, int, int);
1062 void     store_float_geom(struct ws_win *);
1063 char    *strdupsafe(const char *);
1064 void     swapwin(struct swm_region *, union arg *);
1065 void     switchws(struct swm_region *, union arg *);
1066 void     teardown_ewmh(void);
1067 void     unfocus_win(struct ws_win *);
1068 void     uniconify(struct swm_region *, union arg *);
1069 void     unmanage_window(struct ws_win *);
1070 void     unmapnotify(xcb_unmap_notify_event_t *);
1071 void     unmap_all(void);
1072 void     unmap_window(struct ws_win *);
1073 void     updatenumlockmask(void);
1074 void     update_modkey(unsigned int);
1075 void     update_window(struct ws_win *);
1076 void     validate_spawns(void);
1077 int      validate_win(struct ws_win *);
1078 int      validate_ws(struct workspace *);
1079 /*void   visibilitynotify(xcb_visibility_notify_event_t *);*/
1080 void     version(struct swm_region *, union arg *);
1081 void     win_to_ws(struct ws_win *, int, int);
1082 pid_t    window_get_pid(xcb_window_t);
1083 void     wkill(struct swm_region *, union arg *);
1084 void     workaround(void);
1085 void     xft_init(struct swm_region *);
1086 void     _add_startup_exception(const char *, va_list);
1087 void     add_startup_exception(const char *, ...);
1088
1089 RB_PROTOTYPE(key_tree, key, entry, key_cmp);
1090 RB_GENERATE(key_tree, key, entry, key_cmp);
1091 struct key_tree                 keys;
1092
1093 void
1094 cursors_load(void)
1095 {
1096         xcb_font_t      cf = XCB_NONE;
1097         int             i;
1098
1099         for (i = 0; i < LENGTH(cursors); ++i) {
1100                 /* try to load Xcursor first. */
1101                 cursors[i].cid = XcursorLibraryLoadCursor(display,
1102                     cursors[i].name);
1103
1104                 /* fallback to cursorfont. */
1105                 if (cursors[i].cid == XCB_CURSOR_NONE) {
1106                         if (cf == XCB_NONE) {
1107                                 cf = xcb_generate_id(conn);
1108                                 xcb_open_font(conn, cf, strlen("cursor"),
1109                                     "cursor");
1110                         }
1111
1112                         cursors[i].cid = xcb_generate_id(conn);
1113                         xcb_create_glyph_cursor(conn, cursors[i].cid, cf, cf,
1114                             cursors[i].cf_char, cursors[i].cf_char + 1, 0, 0, 0,
1115                             0xffff, 0xffff, 0xffff);
1116
1117                 }
1118         }
1119
1120         if (cf != XCB_NONE)
1121                 xcb_close_font(conn, cf);
1122 }
1123
1124 void
1125 cursors_cleanup(void)
1126 {
1127         int     i;
1128         for (i = 0; i < LENGTH(cursors); ++i)
1129                 xcb_free_cursor(conn, cursors[i].cid);
1130 }
1131
1132 char *
1133 expand_tilde(const char *s)
1134 {
1135         struct passwd           *ppwd;
1136         int                     i;
1137         long                    max;
1138         char                    *user;
1139         const char              *sc = s;
1140         char                    *result;
1141
1142         if (s == NULL)
1143                 errx(1, "expand_tilde: NULL string.");
1144
1145         if (s[0] != '~') {
1146                 result = strdup(sc);
1147                 goto out;
1148         }
1149
1150         ++s;
1151
1152         if ((max = sysconf(_SC_LOGIN_NAME_MAX)) == -1)
1153                 errx(1, "expand_tilde: sysconf");
1154
1155         if ((user = calloc(1, max + 1)) == NULL)
1156                 errx(1, "expand_tilde: calloc");
1157
1158         for (i = 0; s[i] != '/' && s[i] != '\0'; ++i)
1159                 user[i] = s[i];
1160         user[i] = '\0';
1161         s = &s[i];
1162
1163         ppwd = strlen(user) == 0 ? getpwuid(getuid()) : getpwnam(user);
1164         free(user);
1165
1166         if (ppwd == NULL)
1167                 result = strdup(sc);
1168         else
1169                 if (asprintf(&result, "%s%s", ppwd->pw_dir, s) == -1)
1170                         result = NULL;
1171 out:
1172         if (result == NULL)
1173                 errx(1, "expand_tilde: failed to allocate memory.");
1174
1175         return result;
1176 }
1177
1178 int
1179 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
1180 {
1181         unsigned int    tmpr, tmpg, tmpb;
1182
1183         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
1184                 return (-1);
1185
1186         *rr = RGB_8_TO_16(tmpr);
1187         *gg = RGB_8_TO_16(tmpg);
1188         *bb = RGB_8_TO_16(tmpb);
1189
1190         return (0);
1191 }
1192
1193 xcb_screen_t *
1194 get_screen(int screen)
1195 {
1196         const xcb_setup_t       *r;
1197         xcb_screen_iterator_t   iter;
1198
1199         if ((r = xcb_get_setup(conn)) == NULL) {
1200                 DNPRINTF(SWM_D_MISC, "get_screen: xcb_get_setup\n");
1201                 check_conn();
1202         }
1203
1204         iter = xcb_setup_roots_iterator(r);
1205         for (; iter.rem; --screen, xcb_screen_next(&iter))
1206                 if (screen == 0)
1207                         return (iter.data);
1208
1209         return (NULL);
1210 }
1211
1212 int
1213 get_screen_count(void)
1214 {
1215         const xcb_setup_t       *r;
1216
1217         if ((r = xcb_get_setup(conn)) == NULL) {
1218                 DNPRINTF(SWM_D_MISC, "get_screen_count: xcb_get_setup\n");
1219                 check_conn();
1220         }
1221
1222         return xcb_setup_roots_length(r);
1223 }
1224
1225 int
1226 get_region_index(struct swm_region *r)
1227 {
1228         struct swm_region       *rr;
1229         int                      ridx = 0;
1230
1231         if (r == NULL)
1232                 return -1;
1233
1234         TAILQ_FOREACH(rr, &r->s->rl, entry) {
1235                 if (rr == r)
1236                         break;
1237                 ++ridx;
1238         }
1239
1240         if (rr == NULL)
1241                 return -1;
1242
1243         return ridx;
1244 }
1245
1246 void
1247 focus_flush(void)
1248 {
1249         if (focus_mode == SWM_FOCUS_DEFAULT)
1250                 event_drain(XCB_ENTER_NOTIFY);
1251         else
1252                 xcb_flush(conn);
1253 }
1254
1255 xcb_atom_t
1256 get_atom_from_string(const char *str)
1257 {
1258         xcb_intern_atom_cookie_t        c;
1259         xcb_intern_atom_reply_t         *r;
1260         xcb_atom_t                      atom;
1261
1262         c = xcb_intern_atom(conn, 0, strlen(str), str);
1263         r = xcb_intern_atom_reply(conn, c, NULL);
1264         if (r) {
1265                 atom = r->atom;
1266                 free(r);
1267
1268                 return (atom);
1269         }
1270
1271         return (XCB_ATOM_NONE);
1272 }
1273
1274 void
1275 set_swm_iconic(struct ws_win *win, int newv)
1276 {
1277         int32_t                         v = newv;
1278
1279         win->iconic = newv;
1280
1281         if (newv)
1282                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1283                     a_swm_iconic, XCB_ATOM_INTEGER, 32, 1, &v);
1284         else
1285                 xcb_delete_property(conn, win->id, a_swm_iconic);
1286 }
1287
1288 int32_t
1289 get_swm_iconic(struct ws_win *win)
1290 {
1291         int32_t                         v = 0;
1292         xcb_get_property_reply_t        *pr = NULL;
1293
1294         pr = xcb_get_property_reply(conn,
1295             xcb_get_property(conn, 0, win->id, a_swm_iconic,
1296             XCB_ATOM_INTEGER, 0, 1), NULL);
1297         if (pr == NULL)
1298                 goto out;
1299         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
1300                 goto out;
1301         v = *((int32_t *)xcb_get_property_value(pr));
1302 out:
1303         if (pr)
1304                 free(pr);
1305         return (v);
1306 }
1307
1308 void
1309 setup_ewmh(void)
1310 {
1311         xcb_atom_t                      sup_list;
1312         int                             i, j, num_screens;
1313
1314         sup_list = get_atom_from_string("_NET_SUPPORTED");
1315
1316         for (i = 0; i < LENGTH(ewmh); i++)
1317                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
1318
1319         num_screens = get_screen_count();
1320         for (i = 0; i < num_screens; i++) {
1321                 /* Support check window will be created by workaround(). */
1322
1323                 /* Report supported atoms */
1324                 xcb_delete_property(conn, screens[i].root, sup_list);
1325                 for (j = 0; j < LENGTH(ewmh); j++)
1326                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
1327                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
1328                             &ewmh[j].atom);
1329         }
1330 }
1331
1332 void
1333 teardown_ewmh(void)
1334 {
1335         int                             i, num_screens;
1336         xcb_atom_t                      sup_check, sup_list;
1337         xcb_window_t                    id;
1338         xcb_get_property_cookie_t       pc;
1339         xcb_get_property_reply_t        *pr;
1340
1341         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
1342         sup_list = get_atom_from_string("_NET_SUPPORTED");
1343         num_screens = get_screen_count();
1344
1345         for (i = 0; i < num_screens; i++) {
1346                 /* Get the support check window and destroy it */
1347                 pc = xcb_get_property(conn, 0, screens[i].root, sup_check,
1348                     XCB_ATOM_WINDOW, 0, 1);
1349                 pr = xcb_get_property_reply(conn, pc, NULL);
1350                 if (pr == NULL)
1351                         continue;
1352                 if (pr->format == sup_check) {
1353                         id = *((xcb_window_t *)xcb_get_property_value(pr));
1354
1355                         xcb_destroy_window(conn, id);
1356                         xcb_delete_property(conn, screens[i].root, sup_check);
1357                         xcb_delete_property(conn, screens[i].root, sup_list);
1358                 }
1359                 free(pr);
1360         }
1361 }
1362
1363 void
1364 ewmh_autoquirk(struct ws_win *win)
1365 {
1366         uint32_t                i, n;
1367         xcb_atom_t              *type;
1368         xcb_get_property_cookie_t       c;
1369         xcb_get_property_reply_t        *r;
1370
1371         c = xcb_get_property(conn, 0, win->id,
1372             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
1373         r = xcb_get_property_reply(conn, c, NULL);
1374         if (r == NULL)
1375                 return;
1376
1377         n = xcb_get_property_value_length(r);
1378         type = xcb_get_property_value(r);
1379
1380         for (i = 0; i < n; i++) {
1381                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
1382                         break;
1383                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
1384                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
1385                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
1386                         win->floating = 1;
1387                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
1388                         break;
1389                 }
1390                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
1391                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
1392                         win->floating = 1;
1393                         win->quirks = SWM_Q_FLOAT;
1394                         break;
1395                 }
1396         }
1397         free(r);
1398 }
1399
1400 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
1401 #define EWMH_F_FULLSCREEN               (1<<0)
1402 #define EWMH_F_ABOVE                    (1<<1)
1403 #define EWMH_F_HIDDEN                   (1<<2)
1404 #define EWMH_F_SKIP_PAGER               (1<<3)
1405 #define EWMH_F_SKIP_TASKBAR             (1<<4)
1406 #define SWM_F_MANUAL                    (1<<5)
1407
1408 int
1409 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
1410 {
1411         if (win->ws->r == NULL)
1412                 return (0);
1413
1414         if (!win->floating)
1415                 return (0);
1416
1417         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
1418             "fullscreen %s\n", win->id, YESNO(fs));
1419
1420         if (fs) {
1421                 if (!win->g_floatvalid)
1422                         store_float_geom(win);
1423
1424                 win->g = win->ws->r->g;
1425                 win->bordered = 0;
1426         } else {
1427                 load_float_geom(win);
1428         }
1429
1430         return (1);
1431 }
1432
1433 void
1434 ewmh_update_actions(struct ws_win *win)
1435 {
1436         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
1437         int                     n = 0;
1438
1439         if (win == NULL)
1440                 return;
1441
1442         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
1443
1444         if (win->floating) {
1445                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
1446                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
1447                 actions[n++] = ewmh[_NET_WM_ACTION_ABOVE].atom;
1448         }
1449
1450         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1451             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
1452 }
1453
1454 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
1455 #define _NET_WM_STATE_ADD       1    /* add/set property */
1456 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
1457
1458 void
1459 ewmh_update_win_state(struct ws_win *win, xcb_atom_t state, long action)
1460 {
1461         unsigned int            mask = 0;
1462         unsigned int            changed = 0;
1463         unsigned int            orig_flags;
1464
1465         if (win == NULL)
1466                 return;
1467
1468         DNPRINTF(SWM_D_PROP, "ewmh_update_win_state: window: 0x%x, state: %ld, "
1469             "action: %ld\n", win->id, (unsigned long)state, action);
1470
1471         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1472                 mask = EWMH_F_FULLSCREEN;
1473         else if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
1474                 mask = EWMH_F_ABOVE;
1475         else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1476                 mask = SWM_F_MANUAL;
1477         else if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
1478                 mask = EWMH_F_SKIP_PAGER;
1479         else if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
1480                 mask = EWMH_F_SKIP_TASKBAR;
1481
1482         orig_flags = win->ewmh_flags;
1483
1484         switch (action) {
1485         case _NET_WM_STATE_REMOVE:
1486                 win->ewmh_flags &= ~mask;
1487                 break;
1488         case _NET_WM_STATE_ADD:
1489                 win->ewmh_flags |= mask;
1490                 break;
1491         case _NET_WM_STATE_TOGGLE:
1492                 win->ewmh_flags ^= mask;
1493                 break;
1494         }
1495
1496         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
1497
1498         if (state == ewmh[_NET_WM_STATE_ABOVE].atom) {
1499                 if (changed && !floating_toggle_win(win))
1500                                 win->ewmh_flags = orig_flags; /* revert */
1501         } else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom) {
1502                 if (changed)
1503                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
1504         } else if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom) {
1505                 if (changed && !ewmh_set_win_fullscreen(win,
1506                             win->ewmh_flags & EWMH_F_FULLSCREEN))
1507                                 win->ewmh_flags = orig_flags; /* revert */
1508         }
1509
1510         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
1511
1512         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
1513                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1514                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1515                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
1516         else if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1517                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1518                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1519                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1520         else if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1521                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1522                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1523                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1524         else if (win->ewmh_flags & EWMH_F_ABOVE)
1525                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1526                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1527                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1528         else if (win->ewmh_flags & SWM_F_MANUAL)
1529                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1530                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1531                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1532 }
1533
1534 void
1535 ewmh_get_win_state(struct ws_win *win)
1536 {
1537         xcb_atom_t                      *states;
1538         xcb_get_property_cookie_t       c;
1539         xcb_get_property_reply_t        *r;
1540         int                             i, n;
1541
1542         if (win == NULL)
1543                 return;
1544
1545         win->ewmh_flags = 0;
1546         if (win->floating)
1547                 win->ewmh_flags |= EWMH_F_ABOVE;
1548         if (win->manual)
1549                 win->ewmh_flags |= SWM_F_MANUAL;
1550
1551         c = xcb_get_property(conn, 0, win->id, ewmh[_NET_WM_STATE].atom,
1552             XCB_ATOM_ATOM, 0, UINT32_MAX);
1553         r = xcb_get_property_reply(conn, c, NULL);
1554         if (r == NULL)
1555                 return;
1556
1557         states = xcb_get_property_value(r);
1558         n = xcb_get_property_value_length(r);
1559
1560         for (i = 0; i < n; i++)
1561                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1562
1563         free(r);
1564 }
1565
1566 /* events */
1567 #ifdef SWM_DEBUG
1568 void
1569 dumpwins(struct swm_region *r, union arg *args)
1570 {
1571         struct ws_win                           *win;
1572         uint32_t                                state;
1573         xcb_get_window_attributes_cookie_t      c;
1574         xcb_get_window_attributes_reply_t       *wa;
1575
1576         /* suppress unused warning since var is needed */
1577         (void)args;
1578
1579         if (r->ws == NULL) {
1580                 warnx("dumpwins: invalid workspace");
1581                 return;
1582         }
1583
1584         warnx("=== managed window list ws %02d ===", r->ws->idx);
1585         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1586                 state = getstate(win->id);
1587                 c = xcb_get_window_attributes(conn, win->id);
1588                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1589                 if (wa) {
1590                         warnx("window: 0x%x, map_state: %d, state: %u, "
1591                             "transient: 0x%x", win->id, wa->map_state,
1592                             state, win->transient);
1593                         free(wa);
1594                 } else
1595                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1596                             win->id);
1597         }
1598
1599         warnx("===== unmanaged window list =====");
1600         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1601                 state = getstate(win->id);
1602                 c = xcb_get_window_attributes(conn, win->id);
1603                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1604                 if (wa) {
1605                         warnx("window: 0x%x, map_state: %d, state: %u, "
1606                             "transient: 0x%x", win->id, wa->map_state,
1607                             state, win->transient);
1608                         free(wa);
1609                 } else
1610                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1611                             win->id);
1612         }
1613
1614         warnx("=================================");
1615 }
1616 #else
1617 void
1618 dumpwins(struct swm_region *r, union arg *s)
1619 {
1620         (void)r;
1621         (void)s;
1622 }
1623 #endif /* SWM_DEBUG */
1624
1625 void
1626 sighdlr(int sig)
1627 {
1628         int                     saved_errno, status;
1629         pid_t                   pid;
1630
1631         saved_errno = errno;
1632
1633         switch (sig) {
1634         case SIGCHLD:
1635                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1636                         if (pid == -1) {
1637                                 if (errno == EINTR)
1638                                         continue;
1639 #ifdef SWM_DEBUG
1640                                 if (errno != ECHILD)
1641                                         warn("sighdlr: waitpid");
1642 #endif /* SWM_DEBUG */
1643                                 break;
1644                         }
1645                         if (pid == searchpid)
1646                                 search_resp = 1;
1647
1648 #ifdef SWM_DEBUG
1649                         if (WIFEXITED(status)) {
1650                                 if (WEXITSTATUS(status) != 0)
1651                                         warnx("sighdlr: child exit status: %d",
1652                                             WEXITSTATUS(status));
1653                         } else
1654                                 warnx("sighdlr: child is terminated "
1655                                     "abnormally");
1656 #endif /* SWM_DEBUG */
1657                 }
1658                 break;
1659
1660         case SIGHUP:
1661                 restart_wm = 1;
1662                 break;
1663         case SIGINT:
1664         case SIGTERM:
1665         case SIGQUIT:
1666                 running = 0;
1667                 break;
1668         }
1669
1670         errno = saved_errno;
1671 }
1672
1673 struct pid_e *
1674 find_pid(pid_t pid)
1675 {
1676         struct pid_e            *p = NULL;
1677
1678         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1679
1680         if (pid == 0)
1681                 return (NULL);
1682
1683         TAILQ_FOREACH(p, &pidlist, entry) {
1684                 if (p->pid == pid)
1685                         return (p);
1686         }
1687
1688         return (NULL);
1689 }
1690
1691 uint32_t
1692 name_to_pixel(int sidx, const char *colorname)
1693 {
1694         uint32_t                        result = 0;
1695         char                            cname[32] = "#";
1696         xcb_screen_t                    *screen;
1697         xcb_colormap_t                  cmap;
1698         xcb_alloc_color_reply_t         *cr;
1699         xcb_alloc_named_color_reply_t   *nr;
1700         uint16_t                        rr, gg, bb;
1701
1702         screen = get_screen(sidx);
1703         cmap = screen->default_colormap;
1704
1705         /* color is in format rgb://rr/gg/bb */
1706         if (strncmp(colorname, "rgb:", 4) == 0) {
1707                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1708                         warnx("could not parse rgb %s", colorname);
1709                 else {
1710                         cr = xcb_alloc_color_reply(conn,
1711                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1712                             NULL);
1713                         if (cr) {
1714                                 result = cr->pixel;
1715                                 free(cr);
1716                         } else
1717                                 warnx("color '%s' not found", colorname);
1718                 }
1719         } else {
1720                 nr = xcb_alloc_named_color_reply(conn,
1721                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1722                             colorname), NULL);
1723                 if (nr == NULL) {
1724                         strlcat(cname, colorname + 2, sizeof cname - 1);
1725                         nr = xcb_alloc_named_color_reply(conn,
1726                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1727                             cname), NULL);
1728                 }
1729                 if (nr) {
1730                         result = nr->pixel;
1731                         free(nr);
1732                 } else
1733                         warnx("color '%s' not found", colorname);
1734         }
1735
1736         return (result);
1737 }
1738
1739 void
1740 setscreencolor(char *val, int i, int c)
1741 {
1742         int     num_screens;
1743
1744         num_screens = get_screen_count();
1745         if (i > 0 && i <= num_screens) {
1746                 screens[i - 1].c[c].pixel = name_to_pixel(i - 1, val);
1747                 free(screens[i - 1].c[c].name);
1748                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1749                         err(1, "strdup");
1750         } else if (i == -1) {
1751                 for (i = 0; i < num_screens; i++) {
1752                         screens[i].c[c].pixel = name_to_pixel(0, val);
1753                         free(screens[i].c[c].name);
1754                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1755                                 err(1, "strdup");
1756                 }
1757         } else
1758                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1759                     i, num_screens);
1760 }
1761
1762 void
1763 fancy_stacker(struct workspace *ws)
1764 {
1765         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1766         if (ws->cur_layout->l_stack == vertical_stack)
1767                 snprintf(ws->stacker, sizeof ws->stacker,
1768                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1769                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1770         if (ws->cur_layout->l_stack == horizontal_stack)
1771                 snprintf(ws->stacker, sizeof ws->stacker,
1772                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1773                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1774 }
1775
1776 void
1777 plain_stacker(struct workspace *ws)
1778 {
1779         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1780         if (ws->cur_layout->l_stack == vertical_stack)
1781                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1782                     sizeof ws->stacker);
1783         if (ws->cur_layout->l_stack == horizontal_stack)
1784                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1785                     sizeof ws->stacker);
1786 }
1787
1788 void
1789 custom_region(char *val)
1790 {
1791         unsigned int                    x, y, w, h;
1792         int                             sidx, num_screens;
1793         xcb_screen_t                    *screen;
1794
1795         num_screens = get_screen_count();
1796         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1797                 errx(1, "invalid custom region, "
1798                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1799         if (sidx < 1 || sidx > num_screens)
1800                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1801                     sidx, num_screens);
1802         sidx--;
1803
1804         if ((screen = get_screen(sidx)) == NULL)
1805                 errx(1, "ERROR: can't get screen %d.", sidx);
1806
1807         if (w < 1 || h < 1)
1808                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1809
1810         if (x > screen->width_in_pixels ||
1811             y > screen->height_in_pixels ||
1812             w + x > screen->width_in_pixels ||
1813             h + y > screen->height_in_pixels) {
1814                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1815                     "boundaries (%ux%u)", w, h, x, y,
1816                     screen->width_in_pixels, screen->height_in_pixels);
1817                 return;
1818         }
1819
1820         new_region(&screens[sidx], x, y, w, h);
1821 }
1822
1823 void
1824 socket_setnonblock(int fd)
1825 {
1826         int                     flags;
1827
1828         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1829                 err(1, "fcntl F_GETFL");
1830         flags |= O_NONBLOCK;
1831         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1832                 err(1, "fcntl F_SETFL");
1833 }
1834
1835 void
1836 bar_print_legacy(struct swm_region *r, const char *s)
1837 {
1838         xcb_rectangle_t         rect;
1839         uint32_t                gcv[1];
1840         XGCValues               gcvd;
1841         int                     x = 0;
1842         size_t                  len;
1843         XRectangle              ibox, lbox;
1844         GC                      draw;
1845
1846         len = strlen(s);
1847         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1848
1849         switch (bar_justify) {
1850         case SWM_BAR_JUSTIFY_LEFT:
1851                 x = SWM_BAR_OFFSET;
1852                 break;
1853         case SWM_BAR_JUSTIFY_CENTER:
1854                 x = (WIDTH(r) - lbox.width) / 2;
1855                 break;
1856         case SWM_BAR_JUSTIFY_RIGHT:
1857                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1858                 break;
1859         }
1860
1861         if (x < SWM_BAR_OFFSET)
1862                 x = SWM_BAR_OFFSET;
1863
1864         rect.x = 0;
1865         rect.y = 0;
1866         rect.width = WIDTH(r->bar);
1867         rect.height = HEIGHT(r->bar);
1868
1869         /* clear back buffer */
1870         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1871         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1872         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1873
1874         /* draw back buffer */
1875         gcvd.graphics_exposures = 0;
1876         draw = XCreateGC(display, r->bar->buffer, GCGraphicsExposures, &gcvd);
1877         XSetForeground(display, draw, r->s->c[SWM_S_COLOR_BAR_FONT].pixel);
1878         DRAWSTRING(display, r->bar->buffer, bar_fs, draw,
1879             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1880             lbox.y, s, len);
1881         XFreeGC(display, draw);
1882
1883         /* blt */
1884         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1885             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1886 }
1887
1888 void
1889 bar_print(struct swm_region *r, const char *s)
1890 {
1891         size_t                          len;
1892         xcb_rectangle_t                 rect;
1893         uint32_t                        gcv[1];
1894         int32_t                         x = 0;
1895         XGlyphInfo                      info;
1896         XftDraw                         *draw;
1897
1898         len = strlen(s);
1899
1900         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
1901
1902         switch (bar_justify) {
1903         case SWM_BAR_JUSTIFY_LEFT:
1904                 x = SWM_BAR_OFFSET;
1905                 break;
1906         case SWM_BAR_JUSTIFY_CENTER:
1907                 x = (WIDTH(r) - info.width) / 2;
1908                 break;
1909         case SWM_BAR_JUSTIFY_RIGHT:
1910                 x = WIDTH(r) - info.width - SWM_BAR_OFFSET;
1911                 break;
1912         }
1913
1914         if (x < SWM_BAR_OFFSET)
1915                 x = SWM_BAR_OFFSET;
1916
1917         rect.x = 0;
1918         rect.y = 0;
1919         rect.width = WIDTH(r->bar);
1920         rect.height = HEIGHT(r->bar);
1921
1922         /* clear back buffer */
1923         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1924         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1925         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1926
1927         /* draw back buffer */
1928         draw = XftDrawCreate(display, r->bar->buffer,
1929             DefaultVisual(display, r->s->idx),
1930             DefaultColormap(display, r->s->idx));
1931
1932         XftDrawStringUtf8(draw, &bar_font_color, bar_font, x,
1933             (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
1934             (FcChar8 *)s, len);
1935
1936         XftDrawDestroy(draw);
1937
1938         /* blt */
1939         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1940             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1941 }
1942
1943 void
1944 bar_extra_stop(void)
1945 {
1946         if (bar_pipe[0]) {
1947                 close(bar_pipe[0]);
1948                 bzero(bar_pipe, sizeof bar_pipe);
1949         }
1950         if (bar_pid) {
1951                 kill(bar_pid, SIGTERM);
1952                 bar_pid = 0;
1953         }
1954         strlcpy(bar_ext, "", sizeof bar_ext);
1955         bar_extra = 0;
1956 }
1957
1958 void
1959 bar_class_name(char *s, size_t sz, struct swm_region *r)
1960 {
1961         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1962                 return;
1963         if (r->ws->focus->ch.class_name != NULL)
1964                 strlcat(s, r->ws->focus->ch.class_name, sz);
1965 }
1966
1967 void
1968 bar_title_name(char *s, size_t sz, struct swm_region *r)
1969 {
1970         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1971                 return;
1972         if (r->ws->focus->ch.instance_name != NULL)
1973                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1974 }
1975
1976 void
1977 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1978 {
1979         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1980                 return;
1981
1982         bar_class_name(s, sz, r);
1983         strlcat(s, ":", sz);
1984         bar_title_name(s, sz, r);
1985 }
1986
1987 void
1988 bar_window_float(char *s, size_t sz, struct swm_region *r)
1989 {
1990         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1991                 return;
1992         if (r->ws->focus->floating)
1993                 strlcat(s, "(f)", sz);
1994 }
1995
1996 void
1997 bar_window_name(char *s, size_t sz, struct swm_region *r)
1998 {
1999         char            *title;
2000
2001         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
2002                 return;
2003         if ((title = get_win_name(r->ws->focus->id)) == NULL)
2004                 return;
2005
2006         strlcat(s, title, sz);
2007         free(title);
2008 }
2009
2010 void
2011 bar_urgent(char *s, size_t sz)
2012 {
2013         struct ws_win           *win;
2014         int                     i, j, num_screens;
2015         int                     urgent[SWM_WS_MAX];
2016         char                    b[8];
2017         xcb_get_property_cookie_t       c;
2018         xcb_icccm_wm_hints_t    hints;
2019
2020         for (i = 0; i < workspace_limit; i++)
2021                 urgent[i] = 0;
2022
2023         num_screens = get_screen_count();
2024         for (i = 0; i < num_screens; i++)
2025                 for (j = 0; j < workspace_limit; j++)
2026                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
2027                                 c = xcb_icccm_get_wm_hints(conn, win->id);
2028                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
2029                                     &hints, NULL) == 0)
2030                                         continue;
2031                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
2032                                         urgent[j] = 1;
2033                         }
2034
2035         for (i = 0; i < workspace_limit; i++) {
2036                 if (urgent[i])
2037                         snprintf(b, sizeof b, "%d ", i + 1);
2038                 else
2039                         snprintf(b, sizeof b, "- ");
2040                 strlcat(s, b, sz);
2041         }
2042 }
2043
2044 void
2045 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
2046 {
2047         if (r == NULL || r->ws == NULL)
2048                 return;
2049         if (r->ws->name != NULL)
2050                 strlcat(s, r->ws->name, sz);
2051 }
2052
2053 /* build the default bar format according to the defined enabled options */
2054 void
2055 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
2056 {
2057         /* if format provided, just copy the buffers */
2058         if (bar_format != NULL) {
2059                 strlcpy(fmtnew, fmtexp, sz);
2060                 return;
2061         }
2062
2063         /* reset the output buffer */
2064         *fmtnew = '\0';
2065
2066         strlcat(fmtnew, "+N:+I ", sz);
2067         if (stack_enabled)
2068                 strlcat(fmtnew, "+S", sz);
2069         strlcat(fmtnew, " ", sz);
2070
2071         /* only show the workspace name if there's actually one */
2072         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
2073                 strlcat(fmtnew, "<+D>", sz);
2074         strlcat(fmtnew, "+3<", sz);
2075
2076         if (clock_enabled) {
2077                 strlcat(fmtnew, fmtexp, sz);
2078                 strlcat(fmtnew, "+4<", sz);
2079         }
2080
2081         /* bar_urgent already adds the space before the last asterisk */
2082         if (urgent_enabled)
2083                 strlcat(fmtnew, "* +U*+4<", sz);
2084
2085         if (title_class_enabled) {
2086                 strlcat(fmtnew, "+C", sz);
2087                 if (!title_name_enabled)
2088                         strlcat(fmtnew, "+4<", sz);
2089         }
2090
2091         /* checks needed by the colon and floating strlcat(3) calls below */
2092         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
2093                 if (title_name_enabled) {
2094                         if (title_class_enabled)
2095                                 strlcat(fmtnew, ":", sz);
2096                         strlcat(fmtnew, "+T+4<", sz);
2097                 }
2098                 if (window_name_enabled) {
2099                         if (r->ws->focus->floating)
2100                                 strlcat(fmtnew, "+F ", sz);
2101                         strlcat(fmtnew, "+64W ", sz);
2102                 }
2103         }
2104
2105         /* finally add the action script output and the version */
2106         strlcat(fmtnew, "+4<+A+4<+V", sz);
2107 }
2108
2109 void
2110 bar_replace_pad(char *tmp, int *limit, size_t sz)
2111 {
2112         /* special case; no limit given, pad one space, instead */
2113         if (*limit == (int)sz - 1)
2114                 *limit = 1;
2115         snprintf(tmp, sz, "%*s", *limit, " ");
2116 }
2117
2118 /* replaces the bar format character sequences (like in tmux(1)) */
2119 char *
2120 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
2121     size_t sz)
2122 {
2123         char                    *ptr;
2124         char                    tmp[SWM_BAR_MAX];
2125         int                     limit, size;
2126         size_t                  len;
2127
2128         /* reset strlcat(3) buffer */
2129         *tmp = '\0';
2130
2131         /* get number, if any */
2132         fmt++;
2133         size = 0;
2134         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
2135                 limit = sizeof tmp - 1;
2136         if (limit <= 0 || limit >= (int)sizeof tmp)
2137                 limit = sizeof tmp - 1;
2138
2139         /* there is nothing to replace (ie EOL) */
2140         fmt += size;
2141         if (*fmt == '\0')
2142                 return (fmt);
2143
2144         switch (*fmt) {
2145         case '<':
2146                 bar_replace_pad(tmp, &limit, sizeof tmp);
2147                 break;
2148         case 'A':
2149                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
2150                 break;
2151         case 'C':
2152                 bar_class_name(tmp, sizeof tmp, r);
2153                 break;
2154         case 'D':
2155                 bar_workspace_name(tmp, sizeof tmp, r);
2156                 break;
2157         case 'F':
2158                 bar_window_float(tmp, sizeof tmp, r);
2159                 break;
2160         case 'I':
2161                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
2162                 break;
2163         case 'N':
2164                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
2165                 break;
2166         case 'P':
2167                 bar_class_title_name(tmp, sizeof tmp, r);
2168                 break;
2169         case 'S':
2170                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
2171                 break;
2172         case 'T':
2173                 bar_title_name(tmp, sizeof tmp, r);
2174                 break;
2175         case 'U':
2176                 bar_urgent(tmp, sizeof tmp);
2177                 break;
2178         case 'V':
2179                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
2180                 break;
2181         case 'W':
2182                 bar_window_name(tmp, sizeof tmp, r);
2183                 break;
2184         default:
2185                 /* unknown character sequence; copy as-is */
2186                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
2187                 break;
2188         }
2189
2190         len = strlen(tmp);
2191         ptr = tmp;
2192         if ((int)len < limit)
2193                 limit = len;
2194         while (limit-- > 0) {
2195                 if (*offrep >= sz - 1)
2196                         break;
2197                 fmtrep[(*offrep)++] = *ptr++;
2198         }
2199
2200         fmt++;
2201         return (fmt);
2202 }
2203
2204 void
2205 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
2206 {
2207         size_t                  off;
2208
2209         off = 0;
2210         while (*fmt != '\0') {
2211                 if (*fmt != '+') {
2212                         /* skip ordinary characters */
2213                         if (off >= sz - 1)
2214                                 break;
2215                         fmtrep[off++] = *fmt++;
2216                         continue;
2217                 }
2218
2219                 /* character sequence found; replace it */
2220                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
2221                 if (off >= sz - 1)
2222                         break;
2223         }
2224
2225         fmtrep[off] = '\0';
2226 }
2227
2228 void
2229 bar_fmt_expand(char *fmtexp, size_t sz)
2230 {
2231         char                    *fmt = NULL;
2232         size_t                  len;
2233         struct tm               tm;
2234         time_t                  tmt;
2235
2236         /* start by grabbing the current time and date */
2237         time(&tmt);
2238         localtime_r(&tmt, &tm);
2239
2240         /* figure out what to expand */
2241         if (bar_format != NULL)
2242                 fmt = bar_format;
2243         else if (bar_format == NULL && clock_enabled)
2244                 fmt = clock_format;
2245         /* if nothing to expand bail out */
2246         if (fmt == NULL) {
2247                 *fmtexp = '\0';
2248                 return;
2249         }
2250
2251         /* copy as-is, just in case the format shouldn't be expanded below */
2252         strlcpy(fmtexp, fmt, sz);
2253         /* finally pass the string through strftime(3) */
2254 #ifndef SWM_DENY_CLOCK_FORMAT
2255         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
2256                 warnx("format too long");
2257         fmtexp[len] = '\0';
2258 #endif
2259 }
2260
2261 /* Redraws the bar; need to follow with xcb_flush() or focus_flush(). */
2262 void
2263 bar_draw(void)
2264 {
2265         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
2266         char                    fmtrep[SWM_BAR_MAX];
2267         int                     i, num_screens;
2268         struct swm_region       *r;
2269
2270         /* expand the format by first passing it through strftime(3) */
2271         bar_fmt_expand(fmtexp, sizeof fmtexp);
2272
2273         num_screens = get_screen_count();
2274         for (i = 0; i < num_screens; i++) {
2275                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2276                         if (r->bar == NULL)
2277                                 continue;
2278
2279                         if (bar_enabled && r->ws->bar_enabled)
2280                                 xcb_map_window(conn, r->bar->id);
2281                         else {
2282                                 xcb_unmap_window(conn, r->bar->id);
2283                                 continue;
2284                         }
2285
2286                         if (startup_exception)
2287                                 snprintf(fmtrep, sizeof fmtrep, "total "
2288                                     "exceptions: %d, first exception: %s",
2289                                     nr_exceptions,
2290                                     startup_exception);
2291                         else {
2292                                 bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
2293                                 bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
2294                         }
2295                         if (bar_font_legacy)
2296                                 bar_print_legacy(r, fmtrep);
2297                         else
2298                                 bar_print(r, fmtrep);
2299                 }
2300         }
2301 }
2302
2303 /*
2304  * Reads external script output; call when stdin is readable.
2305  * Returns 1 if bar_ext was updated; otherwise 0.
2306  */
2307 int
2308 bar_extra_update(void)
2309 {
2310         size_t          len;
2311         char            b[SWM_BAR_MAX];
2312         int             changed = 0;
2313
2314         if (!bar_extra)
2315                 return changed;
2316
2317         while (fgets(b, sizeof(b), stdin) != NULL) {
2318                 if (bar_enabled) {
2319                         len = strlen(b);
2320                         if (b[len - 1] == '\n') {
2321                                 /* Remove newline. */
2322                                 b[--len] = '\0';
2323
2324                                 /* "Clear" bar_ext. */
2325                                 bar_ext[0] = '\0';
2326
2327                                 /* Flush buffered output. */
2328                                 strlcpy(bar_ext, bar_ext_buf, sizeof(bar_ext));
2329                                 bar_ext_buf[0] = '\0';
2330
2331                                 /* Append new output to bar. */
2332                                 strlcat(bar_ext, b, sizeof(bar_ext));
2333
2334                                 changed = 1;
2335                         } else {
2336                                 /* Buffer output. */
2337                                 strlcat(bar_ext_buf, b, sizeof(bar_ext_buf));
2338                         }
2339                 }
2340         }
2341
2342         if (errno != EAGAIN) {
2343                 warn("bar_action failed");
2344                 bar_extra_stop();
2345                 changed = 1;
2346         }
2347
2348         return changed;
2349 }
2350
2351 void
2352 bar_toggle(struct swm_region *r, union arg *args)
2353 {
2354         struct swm_region       *tmpr;
2355         int                     i, num_screens;
2356
2357         /* suppress unused warnings since vars are needed */
2358         (void)r;
2359         (void)args;
2360
2361         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
2362
2363         switch (args->id) {
2364         case SWM_ARG_ID_BAR_TOGGLE_WS:
2365                 /* Only change if master switch is enabled. */
2366                 if (bar_enabled)
2367                         r->ws->bar_enabled = !r->ws->bar_enabled;
2368                 else
2369                         bar_enabled = r->ws->bar_enabled = 1;
2370                 break;
2371         case SWM_ARG_ID_BAR_TOGGLE:
2372                 bar_enabled = !bar_enabled;
2373                 break;
2374         }
2375
2376         /* update bars as necessary */
2377         num_screens = get_screen_count();
2378         for (i = 0; i < num_screens; i++)
2379                 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
2380                         if (tmpr->bar) {
2381                                 if (bar_enabled && tmpr->ws->bar_enabled)
2382                                         xcb_map_window(conn, tmpr->bar->id);
2383                                 else
2384                                         xcb_unmap_window(conn, tmpr->bar->id);
2385                         }
2386
2387         stack();
2388
2389         /* must be after stack */
2390         bar_draw();
2391
2392         focus_flush();
2393 }
2394
2395 void
2396 bar_extra_setup(void)
2397 {
2398         /* do this here because the conf file is in memory */
2399         if (!bar_extra && bar_argv[0]) {
2400                 /* launch external status app */
2401                 bar_extra = 1;
2402                 if (pipe(bar_pipe) == -1)
2403                         err(1, "pipe error");
2404                 socket_setnonblock(bar_pipe[0]);
2405                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
2406
2407                 /* Set stdin to read from the pipe. */
2408                 if (dup2(bar_pipe[0], STDIN_FILENO) == -1)
2409                         err(1, "dup2");
2410
2411                 /* Set stdout to write to the pipe. */
2412                 if (dup2(bar_pipe[1], STDOUT_FILENO) == -1)
2413                         err(1, "dup2");
2414
2415                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
2416                         err(1, "could not disable SIGPIPE");
2417                 switch (bar_pid = fork()) {
2418                 case -1:
2419                         err(1, "cannot fork");
2420                         break;
2421                 case 0: /* child */
2422                         close(bar_pipe[0]);
2423                         execvp(bar_argv[0], bar_argv);
2424                         err(1, "%s external app failed", bar_argv[0]);
2425                         break;
2426                 default: /* parent */
2427                         close(bar_pipe[1]);
2428                         break;
2429                 }
2430
2431                 atexit(kill_bar_extra_atexit);
2432         }
2433 }
2434
2435 void
2436 kill_bar_extra_atexit(void)
2437 {
2438         if (bar_pid)
2439                 kill(bar_pid, SIGTERM);
2440 }
2441
2442 int
2443 isxlfd(char *s)
2444 {
2445         int      count = 0;
2446
2447         while ((s = index(s, '-'))) {
2448                 ++count;
2449                 ++s;
2450         }
2451
2452         return (count == 14);
2453 }
2454
2455 void
2456 fontset_init(void)
2457 {
2458         char                    *default_string;
2459         char                    **missing_charsets;
2460         int                     num_missing_charsets = 0;
2461         int                     i;
2462
2463         if (bar_fs) {
2464                 XFreeFontSet(display, bar_fs);
2465                 bar_fs = NULL;
2466         }
2467
2468         DNPRINTF(SWM_D_INIT, "fontset_init: loading bar_fonts: %s\n", bar_fonts);
2469
2470         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
2471             &num_missing_charsets, &default_string);
2472
2473         if (num_missing_charsets > 0) {
2474                 warnx("Unable to load charset(s):");
2475
2476                 for (i = 0; i < num_missing_charsets; ++i)
2477                         warnx("%s", missing_charsets[i]);
2478
2479                 XFreeStringList(missing_charsets);
2480
2481                 if (strcmp(default_string, ""))
2482                         warnx("Glyphs from those sets will be replaced "
2483                             "by '%s'.", default_string);
2484                 else
2485                         warnx("Glyphs from those sets won't be drawn.");
2486         }
2487
2488         if (bar_fs == NULL)
2489                 errx(1, "Error creating font set structure.");
2490
2491         bar_fs_extents = XExtentsOfFontSet(bar_fs);
2492
2493         bar_height = bar_fs_extents->max_logical_extent.height +
2494             2 * bar_border_width;
2495
2496         if (bar_height < 1)
2497                 bar_height = 1;
2498 }
2499
2500 void
2501 xft_init(struct swm_region *r)
2502 {
2503         char                    *font, *d, *search;
2504         XRenderColor            color;
2505
2506         if (bar_font == NULL) {
2507                 if ((d = strdup(bar_fonts)) == NULL)
2508                         errx(1, "insufficient memory.");
2509                 search = d;
2510                 while ((font = strsep(&search, ",")) != NULL) {
2511                         if (*font == '\0')
2512                                 continue;
2513
2514                         DNPRINTF(SWM_D_INIT, "xft_init: try font %s\n", font);
2515
2516                         if (isxlfd(font)) {
2517                                 bar_font = XftFontOpenXlfd(display, r->s->idx,
2518                                                 font);
2519                         } else {
2520                                 bar_font = XftFontOpenName(display, r->s->idx,
2521                                                 font);
2522                         }
2523
2524                         if (bar_font == NULL) {
2525                                 warnx("unable to load font %s", font);
2526                                 continue;
2527                         } else {
2528                                 DNPRINTF(SWM_D_INIT, "successfully opened "
2529                                     "font %s\n", font);
2530                                 break;
2531                         }
2532                 }
2533                 free(d);
2534         }
2535
2536         if (bar_font == NULL)
2537                 errx(1, "unable to open a font");
2538
2539         PIXEL_TO_XRENDERCOLOR(r->s->c[SWM_S_COLOR_BAR_FONT].pixel, color);
2540
2541         if (!XftColorAllocValue(display, DefaultVisual(display, r->s->idx),
2542             DefaultColormap(display, r->s->idx), &color, &bar_font_color))
2543                 warn("Xft error: unable to allocate color.");
2544
2545         bar_height = bar_font->height + 2 * bar_border_width;
2546
2547         if (bar_height < 1)
2548                 bar_height = 1;
2549 }
2550
2551 void
2552 bar_setup(struct swm_region *r)
2553 {
2554         xcb_screen_t    *screen;
2555         uint32_t         wa[3];
2556
2557         DNPRINTF(SWM_D_BAR, "bar_setup: screen %d.\n",
2558             r->s->idx);
2559
2560         if ((screen = get_screen(r->s->idx)) == NULL)
2561                 errx(1, "ERROR: can't get screen %d.", r->s->idx);
2562
2563         if (r->bar != NULL)
2564                 return;
2565
2566         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
2567                 err(1, "bar_setup: calloc: failed to allocate memory.");
2568
2569         if (bar_font_legacy)
2570                 fontset_init();
2571         else
2572                 xft_init(r);
2573
2574         X(r->bar) = X(r);
2575         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
2576         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
2577         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
2578
2579         /* Assume region is unfocused when we create the bar. */
2580         r->bar->id = xcb_generate_id(conn);
2581         wa[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
2582         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER_UNFOCUS].pixel;
2583         wa[2] = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_POINTER_MOTION |
2584             XCB_EVENT_MASK_POINTER_MOTION_HINT;
2585
2586         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
2587             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
2588             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
2589             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
2590             | XCB_CW_EVENT_MASK, wa);
2591
2592         r->bar->buffer = xcb_generate_id(conn);
2593         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
2594             WIDTH(r->bar), HEIGHT(r->bar));
2595
2596         if (xrandr_support)
2597                 xcb_randr_select_input(conn, r->bar->id,
2598                     XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
2599
2600         if (bar_enabled)
2601                 xcb_map_window(conn, r->bar->id);
2602
2603         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
2604             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
2605             HEIGHT(r->bar));
2606
2607         bar_extra_setup();
2608 }
2609
2610 void
2611 bar_cleanup(struct swm_region *r)
2612 {
2613         if (r->bar == NULL)
2614                 return;
2615         xcb_destroy_window(conn, r->bar->id);
2616         xcb_free_pixmap(conn, r->bar->buffer);
2617         free(r->bar);
2618         r->bar = NULL;
2619 }
2620
2621 void
2622 set_win_state(struct ws_win *win, uint16_t state)
2623 {
2624         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2625
2626         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x, state: %u\n",
2627             win->id, state);
2628
2629         if (win == NULL)
2630                 return;
2631
2632         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
2633             a_state, 32, 2, data);
2634 }
2635
2636 uint32_t
2637 getstate(xcb_window_t w)
2638 {
2639         uint32_t                        result = 0;
2640         xcb_get_property_cookie_t       c;
2641         xcb_get_property_reply_t        *r;
2642
2643         c = xcb_get_property(conn, 0, w, a_state, a_state, 0L, 2L);
2644         r = xcb_get_property_reply(conn, c, NULL);
2645         if (r) {
2646                 if (r->type == a_state && r->format == 32 && r->length == 2)
2647                         result = *((uint32_t *)xcb_get_property_value(r));
2648                 free(r);
2649         }
2650
2651         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
2652             result);
2653         return (result);
2654 }
2655
2656 void
2657 version(struct swm_region *r, union arg *args)
2658 {
2659         /* suppress unused warnings since vars are needed */
2660         (void)r;
2661         (void)args;
2662
2663         bar_version = !bar_version;
2664         if (bar_version)
2665                 snprintf(bar_vertext, sizeof bar_vertext,
2666                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2667         else
2668                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2669
2670         bar_draw();
2671         xcb_flush(conn);
2672 }
2673
2674 void
2675 client_msg(struct ws_win *win, xcb_atom_t a, xcb_timestamp_t t)
2676 {
2677         xcb_client_message_event_t      ev;
2678 #ifdef SWM_DEBUG
2679         char                            *name;
2680 #endif
2681
2682         if (win == NULL)
2683                 return;
2684 #ifdef SWM_DEBUG
2685         name = get_atom_name(a);
2686         DNPRINTF(SWM_D_EVENT, "client_msg: window: 0x%x, atom: %s(%u), "
2687             "time: %#x\n",
2688             win->id, name, a, t);
2689         free(name);
2690 #endif
2691
2692         bzero(&ev, sizeof ev);
2693         ev.response_type = XCB_CLIENT_MESSAGE;
2694         ev.window = win->id;
2695         ev.type = a_prot;
2696         ev.format = 32;
2697         ev.data.data32[0] = a;
2698         ev.data.data32[1] = t;
2699
2700         xcb_send_event(conn, 0, win->id,
2701             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2702 }
2703
2704 /* synthetic response to a ConfigureRequest when not making a change */
2705 void
2706 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2707 {
2708         xcb_configure_notify_event_t ce;
2709
2710         if (win == NULL)
2711                 return;
2712
2713         /* send notification of unchanged state. */
2714         bzero(&ce, sizeof(ce));
2715         ce.response_type = XCB_CONFIGURE_NOTIFY;
2716         ce.x = X(win);
2717         ce.y = Y(win);
2718         ce.width = WIDTH(win);
2719         ce.height = HEIGHT(win);
2720         ce.override_redirect = 0;
2721
2722         if (ev == NULL) {
2723                 /* EWMH */
2724                 ce.event = win->id;
2725                 ce.window = win->id;
2726                 ce.border_width = BORDER(win);
2727                 ce.above_sibling = XCB_WINDOW_NONE;
2728         } else {
2729                 /* normal */
2730                 ce.event = ev->window;
2731                 ce.window = ev->window;
2732
2733                 /* make response appear more WM_SIZE_HINTS-compliant */
2734                 if (win->sh.flags) {
2735                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2736                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2737                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2738                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2739                             SH_INC_W(win), SH_INC_H(win));
2740                 }
2741
2742                 /* min size */
2743                 if (SH_MIN(win)) {
2744                         /* the hint may be set... to 0! */
2745                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2746                                 ce.width = SH_MIN_W(win);
2747                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2748                                 ce.height = SH_MIN_H(win);
2749                 }
2750
2751                 /* max size */
2752                 if (SH_MAX(win)) {
2753                         /* may also be advertized as 0 */
2754                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2755                                 ce.width = SH_MAX_W(win);
2756                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2757                                 ce.height = SH_MAX_H(win);
2758                 }
2759
2760                 /* resize increment. */
2761                 if (SH_INC(win)) {
2762                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2763                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2764                                     SH_INC_W(win);
2765                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2766                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2767                                     SH_INC_H(win);
2768                 }
2769
2770                 /* adjust x and y for requested border_width. */
2771                 ce.x += BORDER(win) - ev->border_width;
2772                 ce.y += BORDER(win) - ev->border_width;
2773                 ce.border_width = ev->border_width;
2774                 ce.above_sibling = ev->sibling;
2775         }
2776
2777         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2778             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2779             ce.y, ce.width, ce.height, ce.border_width);
2780
2781         xcb_send_event(conn, 0, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2782             (char *)&ce);
2783 }
2784
2785 int
2786 count_win(struct workspace *ws, int count_transient)
2787 {
2788         struct ws_win           *win;
2789         int                     count = 0;
2790
2791         TAILQ_FOREACH(win, &ws->winlist, entry) {
2792                 if (!count_transient && win->floating)
2793                         continue;
2794                 if (!count_transient && win->transient)
2795                         continue;
2796                 if (win->iconic)
2797                         continue;
2798                 count++;
2799         }
2800         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2801
2802         return (count);
2803 }
2804
2805 void
2806 quit(struct swm_region *r, union arg *args)
2807 {
2808         /* suppress unused warnings since vars are needed */
2809         (void)r;
2810         (void)args;
2811
2812         DNPRINTF(SWM_D_MISC, "quit\n");
2813         running = 0;
2814 }
2815
2816 void
2817 map_window(struct ws_win *win, xcb_window_t sibling)
2818 {
2819         uint16_t                mode = XCB_CONFIG_WINDOW_STACK_MODE;
2820         uint32_t                val[2];
2821         int                     i = 0;
2822
2823         /* If sibling is specified, stack right above it. */
2824         if (sibling != XCB_WINDOW_NONE) {
2825                 mode |= XCB_CONFIG_WINDOW_SIBLING;
2826                 val[i++] = sibling;
2827         }
2828
2829         val[i] = XCB_STACK_MODE_ABOVE;
2830
2831         if (win == NULL)
2832                 return;
2833
2834         DNPRINTF(SWM_D_EVENT, "map_window: win 0x%x, mapped: %s, "
2835             "sibling: 0x%x\n", win->id, YESNO(win->mapped), sibling);
2836
2837         xcb_configure_window(conn, win->id, mode, val);
2838
2839         if (win->mapped)
2840                 return;
2841
2842         xcb_map_window(conn, win->id);
2843         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
2844         win->mapped = 1;
2845 }
2846
2847 void
2848 unmap_window(struct ws_win *win)
2849 {
2850         if (win == NULL)
2851                 return;
2852
2853         DNPRINTF(SWM_D_EVENT, "unmap_window: win 0x%x, mapped: %s\n", win->id,
2854             YESNO(win->mapped));
2855
2856         if (!win->mapped)
2857                 return;
2858
2859         xcb_unmap_window(conn, win->id);
2860         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2861         win->mapped = 0;
2862 }
2863
2864 void
2865 unmap_all(void)
2866 {
2867         struct ws_win           *win;
2868         int                     i, j, num_screens;
2869
2870         num_screens = get_screen_count();
2871         for (i = 0; i < num_screens; i++)
2872                 for (j = 0; j < workspace_limit; j++)
2873                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2874                                 unmap_window(win);
2875 }
2876
2877 void
2878 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2879 {
2880         xcb_key_press_event_t   event;
2881         xcb_keycode_t           *keycode;
2882
2883         if (win == NULL)
2884                 return;
2885
2886         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2887
2888         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2889             win->id, *keycode);
2890
2891         bzero(&event, sizeof(event));
2892         event.event = win->id;
2893         event.root = win->s->root;
2894         event.child = XCB_WINDOW_NONE;
2895         event.time = XCB_CURRENT_TIME;
2896         event.event_x = X(win);
2897         event.event_y = Y(win);
2898         event.root_x = 1;
2899         event.root_y = 1;
2900         event.same_screen = 1;
2901         event.detail = *keycode;
2902         event.state = modifiers;
2903
2904         event.response_type = XCB_KEY_PRESS;
2905         xcb_send_event(conn, 1, win->id,
2906             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2907
2908         event.response_type = XCB_KEY_RELEASE;
2909         xcb_send_event(conn, 1, win->id,
2910             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2911
2912         free(keycode);
2913 }
2914
2915 void
2916 restart(struct swm_region *r, union arg *args)
2917 {
2918         /* suppress unused warning since var is needed */
2919         (void)r;
2920         (void)args;
2921
2922         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2923
2924         shutdown_cleanup();
2925
2926         execvp(start_argv[0], start_argv);
2927         warn("execvp failed");
2928         quit(NULL, NULL);
2929 }
2930
2931 struct ws_win *
2932 get_pointer_win(xcb_window_t root)
2933 {
2934         struct ws_win                   *win = NULL;
2935         xcb_query_pointer_reply_t       *r;
2936
2937         DNPRINTF(SWM_D_EVENT, "get_pointer_win: root: 0x%x.\n", root);
2938
2939         r = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, root), NULL);
2940         if (r) {
2941                 win = find_window(r->child);
2942                 if (win) {
2943                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: 0x%x.\n",
2944                             win->id);
2945                 } else {
2946                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: none.\n");
2947                 }
2948                 free(r);
2949         }
2950
2951         return win;
2952 }
2953
2954 struct swm_region *
2955 root_to_region(xcb_window_t root, int check)
2956 {
2957         struct ws_win                   *cfw;
2958         struct swm_region               *r = NULL;
2959         int                             i, num_screens;
2960         xcb_query_pointer_reply_t       *qpr;
2961         xcb_get_input_focus_reply_t     *gifr;
2962
2963         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2964
2965         num_screens = get_screen_count();
2966         for (i = 0; i < num_screens; i++)
2967                 if (screens[i].root == root)
2968                         break;
2969
2970         if (check & SWM_CK_REGION)
2971                 r = screens[i].r_focus;
2972
2973         if (r == NULL && check & SWM_CK_FOCUS) {
2974                 /* Try to find an actively focused window */
2975                 gifr = xcb_get_input_focus_reply(conn,
2976                     xcb_get_input_focus(conn), NULL);
2977                 if (gifr) {
2978                         cfw = find_window(gifr->focus);
2979                         if (cfw && cfw->ws->r)
2980                                 r = cfw->ws->r;
2981
2982                         free(gifr);
2983                 }
2984         }
2985
2986         if (r == NULL && check & SWM_CK_POINTER) {
2987                 /* No region with an active focus; try to use pointer. */
2988                 qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2989                     screens[i].root), NULL);
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 == NULL)
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         struct swm_region       *this_r, *other_r;
3500         struct ws_win           *win;
3501         struct workspace        *new_ws, *old_ws;
3502         xcb_window_t            none = XCB_WINDOW_NONE;
3503         int                     wsid = args->id, unmap_old = 0;
3504
3505         if (!(r && r->s))
3506                 return;
3507
3508         if (wsid >= workspace_limit)
3509                 return;
3510
3511         this_r = r;
3512         old_ws = this_r->ws;
3513         new_ws = &this_r->s->ws[wsid];
3514
3515         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
3516             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
3517
3518         if (new_ws == NULL || old_ws == NULL)
3519                 return;
3520         if (new_ws == old_ws)
3521                 return;
3522
3523         if ((win = old_ws->focus) != NULL) {
3524                 xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3525                     &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
3526
3527                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3528                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
3529                     &none);
3530         }
3531
3532         other_r = new_ws->r;
3533         if (other_r == NULL) {
3534                 /* the other workspace is hidden, hide this one */
3535                 old_ws->r = NULL;
3536                 unmap_old = 1;
3537         } else {
3538                 /* the other ws is visible in another region, exchange them */
3539                 other_r->ws_prior = new_ws;
3540                 other_r->ws = old_ws;
3541                 old_ws->r = other_r;
3542         }
3543         this_r->ws_prior = old_ws;
3544         this_r->ws = new_ws;
3545         new_ws->r = this_r;
3546
3547         /* Set focus_pending before stacking, if needed. */
3548         if (focus_mode != SWM_FOCUS_FOLLOW && (!new_ws->focus_pending ||
3549             validate_win(new_ws->focus_pending))) {
3550                 new_ws->focus_pending = get_region_focus(new_ws->r);
3551                 new_ws->focus = new_ws->focus_prev;
3552                 new_ws->focus_prev = NULL;
3553         }
3554
3555         stack();
3556
3557         /* unmap old windows */
3558         if (unmap_old)
3559                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
3560                         unmap_window(win);
3561
3562         /* if workspaces were swapped, then don't wait to set focus */
3563         if (old_ws->r && focus_mode != SWM_FOCUS_FOLLOW) {
3564                 if (new_ws->focus_pending) {
3565                         focus_win(new_ws->focus_pending);
3566                         new_ws->focus_pending = NULL;
3567                 }
3568         }
3569
3570         /* Clear bar and set focus on region input win if new ws is empty. */
3571         if (new_ws->focus_pending == NULL && new_ws->focus == NULL) {
3572                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT, r->id,
3573                     XCB_CURRENT_TIME);
3574                 bar_draw();
3575         }
3576
3577         focus_flush();
3578
3579         DNPRINTF(SWM_D_WS, "switchws: done.\n");
3580 }
3581
3582 void
3583 cyclews(struct swm_region *r, union arg *args)
3584 {
3585         union                   arg a;
3586         struct swm_screen       *s = r->s;
3587         int                     cycle_all = 0;
3588         int                     move = 0;
3589
3590         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3591             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3592
3593         a.id = r->ws->idx;
3594
3595         do {
3596                 switch (args->id) {
3597                 case SWM_ARG_ID_CYCLEWS_MOVE_UP:
3598                         move = 1;
3599                         /* FALLTHROUGH */
3600                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
3601                         cycle_all = 1;
3602                         /* FALLTHROUGH */
3603                 case SWM_ARG_ID_CYCLEWS_UP:
3604                         a.id = (a.id < workspace_limit - 1) ? a.id + 1 : 0;
3605                         break;
3606                 case SWM_ARG_ID_CYCLEWS_MOVE_DOWN:
3607                         move = 1;
3608                         /* FALLTHROUGH */
3609                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
3610                         cycle_all = 1;
3611                         /* FALLTHROUGH */
3612                 case SWM_ARG_ID_CYCLEWS_DOWN:
3613                         a.id = (a.id > 0) ? a.id - 1 : workspace_limit - 1;
3614                         break;
3615                 default:
3616                         return;
3617                 };
3618
3619                 if (!cycle_all &&
3620                     (!cycle_empty && TAILQ_EMPTY(&s->ws[a.id].winlist)))
3621                         continue;
3622                 if (!cycle_visible && s->ws[a.id].r != NULL)
3623                         continue;
3624
3625                 if (move)
3626                         send_to_ws(r, &a);
3627
3628                 switchws(r, &a);
3629         } while (a.id != r->ws->idx);
3630 }
3631
3632 void
3633 priorws(struct swm_region *r, union arg *args)
3634 {
3635         union arg               a;
3636
3637         (void)args;
3638
3639         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3640             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3641
3642         if (r->ws_prior == NULL)
3643                 return;
3644
3645         a.id = r->ws_prior->idx;
3646         switchws(r, &a);
3647 }
3648
3649 void
3650 focusrg(struct swm_region *r, union arg *args)
3651 {
3652         int                     ridx = args->id, i, num_screens;
3653         struct swm_region       *rr = NULL;
3654
3655         num_screens = get_screen_count();
3656         /* do nothing if we don't have more than one screen */
3657         if (!(num_screens > 1 || outputs > 1))
3658                 return;
3659
3660         DNPRINTF(SWM_D_FOCUS, "focusrg: id: %d\n", ridx);
3661
3662         rr = TAILQ_FIRST(&r->s->rl);
3663         for (i = 0; i < ridx && rr != NULL; ++i)
3664                 rr = TAILQ_NEXT(rr, entry);
3665
3666         if (rr == NULL)
3667                 return;
3668
3669         focus_region(rr);
3670         focus_flush();
3671 }
3672
3673 void
3674 cyclerg(struct swm_region *r, union arg *args)
3675 {
3676         struct swm_region       *rr = NULL;
3677         int                     i, num_screens;
3678
3679         num_screens = get_screen_count();
3680         /* do nothing if we don't have more than one screen */
3681         if (!(num_screens > 1 || outputs > 1))
3682                 return;
3683
3684         i = r->s->idx;
3685         switch (args->id) {
3686         case SWM_ARG_ID_CYCLERG_UP:
3687                 rr = TAILQ_NEXT(r, entry);
3688                 if (rr == NULL)
3689                         rr = TAILQ_FIRST(&screens[i].rl);
3690                 break;
3691         case SWM_ARG_ID_CYCLERG_DOWN:
3692                 rr = TAILQ_PREV(r, swm_region_list, entry);
3693                 if (rr == NULL)
3694                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
3695                 break;
3696         default:
3697                 return;
3698         };
3699         if (rr == NULL)
3700                 return;
3701
3702         focus_region(rr);
3703         focus_flush();
3704 }
3705
3706 void
3707 sort_windows(struct ws_win_list *wl)
3708 {
3709         struct ws_win           *win, *parent, *nxt;
3710
3711         if (wl == NULL)
3712                 return;
3713
3714         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
3715                 nxt = TAILQ_NEXT(win, entry);
3716                 if (win->transient) {
3717                         parent = find_window(win->transient);
3718                         if (parent == NULL) {
3719                                 warnx("not possible bug");
3720                                 continue;
3721                         }
3722                         TAILQ_REMOVE(wl, win, entry);
3723                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
3724                 }
3725         }
3726
3727 }
3728
3729 void
3730 swapwin(struct swm_region *r, union arg *args)
3731 {
3732         struct ws_win           *target, *source;
3733         struct ws_win           *cur_focus;
3734         struct ws_win_list      *wl;
3735
3736         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3737             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3738
3739         cur_focus = r->ws->focus;
3740         if (cur_focus == NULL)
3741                 return;
3742
3743         source = cur_focus;
3744         wl = &source->ws->winlist;
3745
3746         switch (args->id) {
3747         case SWM_ARG_ID_SWAPPREV:
3748                 if (source->transient)
3749                         source = find_window(source->transient);
3750                 target = TAILQ_PREV(source, ws_win_list, entry);
3751                 if (target && target->transient)
3752                         target = find_window(target->transient);
3753                 TAILQ_REMOVE(wl, source, entry);
3754                 if (target == NULL)
3755                         TAILQ_INSERT_TAIL(wl, source, entry);
3756                 else
3757                         TAILQ_INSERT_BEFORE(target, source, entry);
3758                 break;
3759         case SWM_ARG_ID_SWAPNEXT:
3760                 target = TAILQ_NEXT(source, entry);
3761                 /* move the parent and let the sort handle the move */
3762                 if (source->transient)
3763                         source = find_window(source->transient);
3764                 TAILQ_REMOVE(wl, source, entry);
3765                 if (target == NULL)
3766                         TAILQ_INSERT_HEAD(wl, source, entry);
3767                 else
3768                         TAILQ_INSERT_AFTER(wl, target, source, entry);
3769                 break;
3770         case SWM_ARG_ID_SWAPMAIN:
3771                 target = TAILQ_FIRST(wl);
3772                 if (target == source) {
3773                         if (source->ws->focus_prev != NULL &&
3774                             source->ws->focus_prev != target)
3775                                 source = source->ws->focus_prev;
3776                         else
3777                                 return;
3778                 }
3779                 if (target == NULL || source == NULL)
3780                         return;
3781                 source->ws->focus_prev = target;
3782                 TAILQ_REMOVE(wl, target, entry);
3783                 TAILQ_INSERT_BEFORE(source, target, entry);
3784                 TAILQ_REMOVE(wl, source, entry);
3785                 TAILQ_INSERT_HEAD(wl, source, entry);
3786                 break;
3787         case SWM_ARG_ID_MOVELAST:
3788                 TAILQ_REMOVE(wl, source, entry);
3789                 TAILQ_INSERT_TAIL(wl, source, entry);
3790                 break;
3791         default:
3792                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
3793                 return;
3794         }
3795
3796         sort_windows(wl);
3797
3798         stack();
3799
3800         focus_flush();
3801 }
3802
3803 struct ws_win *
3804 get_focus_prev(struct ws_win *win)
3805 {
3806         struct ws_win           *winfocus = NULL;
3807         struct ws_win           *cur_focus = NULL;
3808         struct ws_win_list      *wl = NULL;
3809         struct workspace        *ws = NULL;
3810
3811         if (!(win && win->ws))
3812                 return NULL;
3813
3814         ws = win->ws;
3815         wl = &ws->winlist;
3816         cur_focus = ws->focus;
3817
3818         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: window: 0x%x, cur_focus: 0x%x\n",
3819             WINID(win), WINID(cur_focus));
3820
3821         /* pickle, just focus on whatever */
3822         if (cur_focus == NULL) {
3823                 /* use prev_focus if valid */
3824                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
3825                     find_window(WINID(ws->focus_prev)))
3826                         winfocus = ws->focus_prev;
3827                 goto done;
3828         }
3829
3830         /* if transient focus on parent */
3831         if (cur_focus->transient) {
3832                 winfocus = find_window(cur_focus->transient);
3833                 goto done;
3834         }
3835
3836         /* if in max_stack try harder */
3837         if ((win->quirks & SWM_Q_FOCUSPREV) ||
3838             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
3839                 if (cur_focus != ws->focus_prev)
3840                         winfocus = ws->focus_prev;
3841                 else
3842                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3843                 if (winfocus)
3844                         goto done;
3845         }
3846
3847         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: focus_close: %d\n", focus_close);
3848
3849         if (winfocus == NULL || winfocus == win) {
3850                 switch (focus_close) {
3851                 case SWM_STACK_BOTTOM:
3852                         TAILQ_FOREACH(winfocus, wl, entry)
3853                                 if (!winfocus->iconic && winfocus != cur_focus)
3854                                         break;
3855                         break;
3856                 case SWM_STACK_TOP:
3857                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
3858                                 if (!winfocus->iconic && winfocus != cur_focus)
3859                                         break;
3860                         break;
3861                 case SWM_STACK_ABOVE:
3862                         winfocus = TAILQ_NEXT(cur_focus, entry);
3863                         while (winfocus && winfocus->iconic)
3864                                 winfocus = TAILQ_NEXT(winfocus, entry);
3865
3866                         if (winfocus == NULL) {
3867                                 if (focus_close_wrap) {
3868                                         TAILQ_FOREACH(winfocus, wl, entry)
3869                                                 if (!winfocus->iconic &&
3870                                                     winfocus != cur_focus)
3871                                                         break;
3872                                 } else {
3873                                         TAILQ_FOREACH_REVERSE(winfocus, wl,
3874                                             ws_win_list, entry)
3875                                                 if (!winfocus->iconic &&
3876                                                     winfocus != cur_focus)
3877                                                         break;
3878                                 }
3879                         }
3880                         break;
3881                 case SWM_STACK_BELOW:
3882                         winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
3883                         while (winfocus && winfocus->iconic)
3884                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3885                                     entry);
3886
3887                         if (winfocus == NULL) {
3888                                 if (focus_close_wrap) {
3889                                         TAILQ_FOREACH_REVERSE(winfocus, wl,
3890                                             ws_win_list, entry)
3891                                                 if (!winfocus->iconic &&
3892                                                     winfocus != cur_focus)
3893                                                         break;
3894                                 } else {
3895                                         TAILQ_FOREACH(winfocus, wl, entry)
3896                                                 if (!winfocus->iconic &&
3897                                                     winfocus != cur_focus)
3898                                                         break;
3899                                 }
3900                         }
3901                         break;
3902                 }
3903         }
3904 done:
3905         if (winfocus == NULL ||
3906             (winfocus && (winfocus->iconic || winfocus == cur_focus))) {
3907                 if (focus_default == SWM_STACK_TOP) {
3908                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
3909                                 if (!winfocus->iconic && winfocus != cur_focus)
3910                                         break;
3911                 } else {
3912                         TAILQ_FOREACH(winfocus, wl, entry)
3913                                 if (!winfocus->iconic && winfocus != cur_focus)
3914                                         break;
3915                 }
3916         }
3917
3918         kill_refs(win);
3919
3920         return get_focus_magic(winfocus);
3921 }
3922
3923 struct ws_win *
3924 get_region_focus(struct swm_region *r)
3925 {
3926         struct ws_win           *winfocus = NULL;
3927
3928         if (!(r && r->ws))
3929                 return NULL;
3930
3931         if (r->ws->focus && !r->ws->focus->iconic)
3932                 winfocus = r->ws->focus;
3933         else if (r->ws->focus_prev && !r->ws->focus_prev->iconic)
3934                 winfocus = r->ws->focus_prev;
3935         else
3936                 TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3937                         if (!winfocus->iconic)
3938                                 break;
3939
3940         return get_focus_magic(winfocus);
3941 }
3942
3943 void
3944 focus(struct swm_region *r, union arg *args)
3945 {
3946         struct ws_win           *head, *cur_focus = NULL, *winfocus = NULL;
3947         struct ws_win_list      *wl = NULL;
3948         struct workspace        *ws = NULL;
3949         union arg               a;
3950         int                     i;
3951         xcb_icccm_wm_hints_t    hints;
3952
3953         if (!(r && r->ws))
3954                 goto out;
3955
3956         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
3957
3958         cur_focus = r->ws->focus;
3959         ws = r->ws;
3960         wl = &ws->winlist;
3961
3962         /* Make sure an uniconified window has focus, if one exists. */
3963         if (cur_focus == NULL) {
3964                 cur_focus = TAILQ_FIRST(wl);
3965                 while (cur_focus != NULL && cur_focus->iconic)
3966                         cur_focus = TAILQ_NEXT(cur_focus, entry);
3967         }
3968
3969         switch (args->id) {
3970         case SWM_ARG_ID_FOCUSPREV:
3971                 if (cur_focus == NULL)
3972                         goto out;
3973
3974                 winfocus = cur_focus;
3975                 do {
3976                         winfocus = TAILQ_PREV(winfocus, ws_win_list, entry);
3977                         if (winfocus == NULL)
3978                                 winfocus = TAILQ_LAST(wl, ws_win_list);
3979                         if (winfocus == cur_focus)
3980                                 break;
3981                 } while (winfocus != NULL &&
3982                     (winfocus->iconic || winfocus->id == cur_focus->transient));
3983                 break;
3984         case SWM_ARG_ID_FOCUSNEXT:
3985                 if (cur_focus == NULL)
3986                         goto out;
3987
3988                 winfocus = cur_focus;
3989                 do {
3990                         winfocus = TAILQ_NEXT(winfocus, entry);
3991                         if (winfocus == NULL)
3992                                 winfocus = TAILQ_FIRST(wl);
3993                         if (winfocus == cur_focus)
3994                                 break;
3995                 } while (winfocus != NULL &&
3996                     (winfocus->iconic || winfocus->id == cur_focus->transient));
3997                 break;
3998         case SWM_ARG_ID_FOCUSMAIN:
3999                 if (cur_focus == NULL)
4000                         goto out;
4001
4002                 winfocus = TAILQ_FIRST(wl);
4003                 if (winfocus == cur_focus)
4004                         winfocus = cur_focus->ws->focus_prev;
4005                 break;
4006         case SWM_ARG_ID_FOCUSURGENT:
4007                 /* Search forward for the next urgent window. */
4008                 winfocus = NULL;
4009                 head = cur_focus;
4010
4011                 for (i = 0; i <= workspace_limit; ++i) {
4012                         if (head == NULL)
4013                                 head = TAILQ_FIRST(&r->s->ws[(ws->idx + i) %
4014                                     workspace_limit].winlist);
4015
4016                         while (head != NULL &&
4017                             (head = TAILQ_NEXT(head, entry)) != NULL) {
4018                                 if (head == cur_focus) {
4019                                         winfocus = cur_focus;
4020                                         break;
4021                                 }
4022                                 if (xcb_icccm_get_wm_hints_reply(conn,
4023                                     xcb_icccm_get_wm_hints(conn, head->id),
4024                                     &hints, NULL) != 0 &&
4025                                     xcb_icccm_wm_hints_get_urgency(&hints)) {
4026                                         winfocus = head;
4027                                         break;
4028                                 }
4029                         }
4030
4031                         if (winfocus != NULL)
4032                                 break;
4033                 }
4034
4035                 /* Switch ws if new focus is on a different ws. */
4036                 if (winfocus != NULL && winfocus->ws != ws) {
4037                         a.id = winfocus->ws->idx;
4038                         switchws(r, &a);
4039                 }
4040                 break;
4041         default:
4042                 goto out;
4043         }
4044
4045         focus_win(get_focus_magic(winfocus));
4046         focus_flush();
4047
4048 out:
4049         DNPRINTF(SWM_D_FOCUS, "focus: done\n");
4050 }
4051
4052 void
4053 cycle_layout(struct swm_region *r, union arg *args)
4054 {
4055         struct workspace        *ws = r->ws;
4056
4057         /* suppress unused warning since var is needed */
4058         (void)args;
4059
4060         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
4061
4062         ws->cur_layout++;
4063         if (ws->cur_layout->l_stack == NULL)
4064                 ws->cur_layout = &layouts[0];
4065
4066         stack();
4067         bar_draw();
4068
4069         focus_win(get_region_focus(r));
4070
4071         focus_flush();
4072 }
4073
4074 void
4075 stack_config(struct swm_region *r, union arg *args)
4076 {
4077         struct workspace        *ws = r->ws;
4078
4079         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
4080             args->id, ws->idx);
4081
4082         if (ws->cur_layout->l_config != NULL)
4083                 ws->cur_layout->l_config(ws, args->id);
4084
4085         if (args->id != SWM_ARG_ID_STACKINIT)
4086                 stack();
4087         bar_draw();
4088
4089         focus_flush();
4090 }
4091
4092 void
4093 stack(void) {
4094         struct swm_geometry     g;
4095         struct swm_region       *r;
4096         int                     i, num_screens;
4097 #ifdef SWM_DEBUG
4098         int j;
4099 #endif
4100
4101         DNPRINTF(SWM_D_STACK, "stack: begin\n");
4102
4103         num_screens = get_screen_count();
4104         for (i = 0; i < num_screens; i++) {
4105 #ifdef SWM_DEBUG
4106                 j = 0;
4107 #endif
4108                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
4109                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
4110                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
4111
4112                         /* Adjust stack area for region bar and padding. */
4113                         g = r->g;
4114                         g.x += region_padding;
4115                         g.y += region_padding;
4116                         g.w -= 2 * border_width + 2 * region_padding;
4117                         g.h -= 2 * border_width + 2 * region_padding;
4118                         if (bar_enabled && r->ws->bar_enabled) {
4119                                 if (!bar_at_bottom)
4120                                         g.y += bar_height;
4121                                 g.h -= bar_height;
4122                         }
4123                         r->ws->cur_layout->l_stack(r->ws, &g);
4124                         r->ws->cur_layout->l_string(r->ws);
4125                         /* save r so we can track region changes */
4126                         r->ws->old_r = r;
4127                 }
4128         }
4129         if (font_adjusted)
4130                 font_adjusted--;
4131
4132         DNPRINTF(SWM_D_STACK, "stack: end\n");
4133 }
4134
4135 void
4136 store_float_geom(struct ws_win *win)
4137 {
4138         if (win == NULL || win->ws->r == NULL)
4139                 return;
4140
4141         /* retain window geom and region geom */
4142         win->g_float = win->g;
4143         win->g_float.x -= X(win->ws->r);
4144         win->g_float.y -= Y(win->ws->r);
4145         win->g_floatvalid = 1;
4146         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
4147             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
4148             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
4149             win->g_float.w, win->g_float.h);
4150 }
4151
4152 void
4153 load_float_geom(struct ws_win *win)
4154 {
4155         if (win == NULL || win->ws->r == NULL)
4156                 return;
4157
4158         if (win->g_floatvalid) {
4159                 win->g = win->g_float;
4160                 X(win) += X(win->ws->r);
4161                 Y(win) += Y(win->ws->r);
4162                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g: (%d,%d)"
4163                     "%d x %d\n", win->id, X(win), Y(win), WIDTH(win),
4164                     HEIGHT(win));
4165         } else {
4166                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g_float "
4167                     "is not set.\n", win->id);
4168         }
4169 }
4170
4171 void
4172 stack_floater(struct ws_win *win, struct swm_region *r)
4173 {
4174         if (win == NULL)
4175                 return;
4176
4177         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
4178
4179         /*
4180          * to allow windows to change their size (e.g. mplayer fs) only retrieve
4181          * geom on ws switches or return from max mode
4182          */
4183         if (win->floatmaxed || (r != r->ws->old_r &&
4184             !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
4185                 /* update geometry for the new region */
4186                 load_float_geom(win);
4187         }
4188
4189         win->floatmaxed = 0;
4190
4191         /*
4192          * if set to fullscreen mode, configure window to maximum size.
4193          */
4194         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4195                 if (!win->g_floatvalid)
4196                         store_float_geom(win);
4197
4198                 win->g = r->g;
4199         }
4200
4201         /*
4202          * remove border on fullscreen floater when in fullscreen mode or when
4203          * the quirk is present.
4204          */
4205         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
4206             ((win->quirks & SWM_Q_FULLSCREEN) &&
4207              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
4208                 if (win->bordered) {
4209                         win->bordered = 0;
4210                         X(win) += border_width;
4211                         Y(win) += border_width;
4212                 }
4213         } else if (!win->bordered) {
4214                 win->bordered = 1;
4215                 X(win) -= border_width;
4216                 Y(win) -= border_width;
4217         }
4218
4219         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
4220                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
4221                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
4222         }
4223
4224         if (!win->manual && !(win->ewmh_flags & EWMH_F_FULLSCREEN) &&
4225             !(win->quirks & SWM_Q_ANYWHERE)) {
4226                 /*
4227                  * floaters and transients are auto-centred unless moved,
4228                  * resized or ANYWHERE quirk is set.
4229                  */
4230                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
4231                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
4232
4233                 store_float_geom(win);
4234         }
4235
4236         /* Ensure at least 1 pixel of the window is in the region. */
4237         region_containment(win, r, SWM_CW_ALLSIDES);
4238
4239         update_window(win);
4240 }
4241
4242 /*
4243  * Send keystrokes to terminal to decrease/increase the font size as the
4244  * window size changes.
4245  */
4246 void
4247 adjust_font(struct ws_win *win)
4248 {
4249         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
4250             win->floating || win->transient)
4251                 return;
4252
4253         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
4254             WIDTH(win) / win->sh.width_inc < term_width &&
4255             win->font_steps < SWM_MAX_FONT_STEPS) {
4256                 win->font_size_boundary[win->font_steps] =
4257                     (win->sh.width_inc * term_width) + win->sh.base_width;
4258                 win->font_steps++;
4259                 font_adjusted++;
4260                 win->last_inc = win->sh.width_inc;
4261                 fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
4262         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
4263             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
4264                 win->font_steps--;
4265                 font_adjusted++;
4266                 win->last_inc = win->sh.width_inc;
4267                 fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
4268         }
4269 }
4270
4271 #define SWAPXY(g)       do {                            \
4272         int tmp;                                        \
4273         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
4274         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
4275 } while (0)
4276 void
4277 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
4278 {
4279         struct swm_geometry     win_g, r_g = *g;
4280         struct ws_win           *win, *fs_win = NULL;
4281         int                     i, j, s, stacks;
4282         int                     w_inc = 1, h_inc, w_base = 1, h_base;
4283         int                     hrh, extra = 0, h_slice, last_h = 0;
4284         int                     split, colno, winno, mwin, msize, mscale;
4285         int                     remain, missing, v_slice, reconfigure = 0;
4286         int                     bordered = 1;
4287
4288         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
4289             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
4290
4291         winno = count_win(ws, 0);
4292         if (winno == 0 && count_win(ws, 1) == 0)
4293                 return;
4294
4295         TAILQ_FOREACH(win, &ws->winlist, entry)
4296                 if (!win->transient && !win->floating && !win->iconic)
4297                         break;
4298
4299         if (win == NULL)
4300                 goto notiles;
4301
4302         if (rot) {
4303                 w_inc = win->sh.width_inc;
4304                 w_base = win->sh.base_width;
4305                 mwin = ws->l_state.horizontal_mwin;
4306                 mscale = ws->l_state.horizontal_msize;
4307                 stacks = ws->l_state.horizontal_stacks;
4308                 SWAPXY(&r_g);
4309         } else {
4310                 w_inc = win->sh.height_inc;
4311                 w_base = win->sh.base_height;
4312                 mwin = ws->l_state.vertical_mwin;
4313                 mscale = ws->l_state.vertical_msize;
4314                 stacks = ws->l_state.vertical_stacks;
4315         }
4316         win_g = r_g;
4317
4318         if (stacks > winno - mwin)
4319                 stacks = winno - mwin;
4320         if (stacks < 1)
4321                 stacks = 1;
4322
4323         h_slice = r_g.h / SWM_H_SLICE;
4324         if (mwin && winno > mwin) {
4325                 v_slice = r_g.w / SWM_V_SLICE;
4326
4327                 split = mwin;
4328                 colno = split;
4329                 win_g.w = v_slice * mscale;
4330
4331                 if (w_inc > 1 && w_inc < v_slice) {
4332                         /* adjust for window's requested size increment */
4333                         remain = (win_g.w - w_base) % w_inc;
4334                         win_g.w -= remain;
4335                 }
4336
4337                 msize = win_g.w;
4338                 if (flip)
4339                         win_g.x += r_g.w - msize;
4340         } else {
4341                 msize = -2;
4342                 colno = split = winno / stacks;
4343                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
4344                     2 * border_width) / stacks);
4345         }
4346         hrh = r_g.h / colno;
4347         extra = r_g.h - (colno * hrh);
4348         win_g.h = hrh - 2 * border_width;
4349
4350         /*  stack all the tiled windows */
4351         i = j = 0, s = stacks;
4352         TAILQ_FOREACH(win, &ws->winlist, entry) {
4353                 if (win->transient || win->floating || win->iconic)
4354                         continue;
4355
4356                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4357                         fs_win = win;
4358                         continue;
4359                 }
4360
4361                 if (split && i == split) {
4362                         colno = (winno - mwin) / stacks;
4363                         if (s <= (winno - mwin) % stacks)
4364                                 colno++;
4365                         split += colno;
4366                         hrh = r_g.h / colno;
4367                         extra = r_g.h - (colno * hrh);
4368
4369                         if (!flip)
4370                                 win_g.x += win_g.w + 2 * border_width +
4371                                     tile_gap;
4372
4373                         win_g.w = (r_g.w - msize -
4374                             (stacks * (2 * border_width + tile_gap))) / stacks;
4375                         if (s == 1)
4376                                 win_g.w += (r_g.w - msize -
4377                                     (stacks * (2 * border_width + tile_gap))) %
4378                                     stacks;
4379
4380                         if (flip)
4381                                 win_g.x -= win_g.w + 2 * border_width +
4382                                     tile_gap;
4383                         s--;
4384                         j = 0;
4385                 }
4386
4387                 win_g.h = hrh - 2 * border_width - tile_gap;
4388
4389                 if (rot) {
4390                         h_inc = win->sh.width_inc;
4391                         h_base = win->sh.base_width;
4392                 } else {
4393                         h_inc = win->sh.height_inc;
4394                         h_base = win->sh.base_height;
4395                 }
4396
4397                 if (j == colno - 1) {
4398                         win_g.h = hrh + extra;
4399                 } else if (h_inc > 1 && h_inc < h_slice) {
4400                         /* adjust for window's requested size increment */
4401                         remain = (win_g.h - h_base) % h_inc;
4402                         missing = h_inc - remain;
4403
4404                         if (missing <= extra || j == 0) {
4405                                 extra -= missing;
4406                                 win_g.h += missing;
4407                         } else {
4408                                 win_g.h -= remain;
4409                                 extra += remain;
4410                         }
4411                 }
4412
4413                 if (j == 0)
4414                         win_g.y = r_g.y;
4415                 else
4416                         win_g.y += last_h + 2 * border_width + tile_gap;
4417
4418                 if (disable_border && !(bar_enabled && ws->bar_enabled) &&
4419                     winno == 1){
4420                         bordered = 0;
4421                         win_g.w += 2 * border_width;
4422                         win_g.h += 2 * border_width;
4423                 } else {
4424                         bordered = 1;
4425                 }
4426
4427                 if (rot) {
4428                         if (X(win) != win_g.y || Y(win) != win_g.x ||
4429                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
4430                                 reconfigure = 1;
4431                                 X(win) = win_g.y;
4432                                 Y(win) = win_g.x;
4433                                 WIDTH(win) = win_g.h;
4434                                 HEIGHT(win) = win_g.w;
4435                         }
4436                 } else {
4437                         if (X(win) != win_g.x || Y(win) != win_g.y ||
4438                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
4439                                 reconfigure = 1;
4440                                 X(win) = win_g.x;
4441                                 Y(win) = win_g.y;
4442                                 WIDTH(win) = win_g.w;
4443                                 HEIGHT(win) = win_g.h;
4444                         }
4445                 }
4446
4447                 if (bordered != win->bordered) {
4448                         reconfigure = 1;
4449                         win->bordered = bordered;
4450                 }
4451
4452                 if (reconfigure) {
4453                         adjust_font(win);
4454                         update_window(win);
4455                 }
4456
4457                 map_window(win, get_sibling(win, SWM_STACK_BELOW));
4458
4459                 last_h = win_g.h;
4460                 i++;
4461                 j++;
4462         }
4463
4464         /* Map/raise focused tiled window to top if windows could overlap. */
4465         if (tile_gap < 0 && ws->focus != NULL && !ws->focus->floating)
4466                 map_window(ws->focus, get_sibling(ws->focus, SWM_STACK_TOP));
4467
4468 notiles:
4469         /* now, stack all the floaters and transients */
4470         TAILQ_FOREACH(win, &ws->winlist, entry) {
4471                 if (!win->transient && !win->floating)
4472                         continue;
4473                 if (win->iconic)
4474                         continue;
4475                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4476                         fs_win = win;
4477                         continue;
4478                 }
4479
4480                 stack_floater(win, ws->r);
4481                 map_window(win, XCB_WINDOW_NONE);
4482         }
4483
4484         /* Make sure fs_win is stacked last so it's on top. */
4485         if (fs_win) {
4486                 stack_floater(fs_win, ws->r);
4487                 map_window(fs_win, XCB_WINDOW_NONE);
4488         }
4489 }
4490
4491 void
4492 vertical_config(struct workspace *ws, int id)
4493 {
4494         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
4495             id, ws->idx);
4496
4497         switch (id) {
4498         case SWM_ARG_ID_STACKRESET:
4499         case SWM_ARG_ID_STACKINIT:
4500                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
4501                 ws->l_state.vertical_mwin = 1;
4502                 ws->l_state.vertical_stacks = 1;
4503                 break;
4504         case SWM_ARG_ID_MASTERSHRINK:
4505                 if (ws->l_state.vertical_msize > 1)
4506                         ws->l_state.vertical_msize--;
4507                 break;
4508         case SWM_ARG_ID_MASTERGROW:
4509                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
4510                         ws->l_state.vertical_msize++;
4511                 break;
4512         case SWM_ARG_ID_MASTERADD:
4513                 ws->l_state.vertical_mwin++;
4514                 break;
4515         case SWM_ARG_ID_MASTERDEL:
4516                 if (ws->l_state.vertical_mwin > 0)
4517                         ws->l_state.vertical_mwin--;
4518                 break;
4519         case SWM_ARG_ID_STACKINC:
4520                 ws->l_state.vertical_stacks++;
4521                 break;
4522         case SWM_ARG_ID_STACKDEC:
4523                 if (ws->l_state.vertical_stacks > 1)
4524                         ws->l_state.vertical_stacks--;
4525                 break;
4526         case SWM_ARG_ID_FLIPLAYOUT:
4527                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
4528                 break;
4529         default:
4530                 return;
4531         }
4532 }
4533
4534 void
4535 vertical_stack(struct workspace *ws, struct swm_geometry *g)
4536 {
4537         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
4538
4539         stack_master(ws, g, 0, ws->l_state.vertical_flip);
4540 }
4541
4542 void
4543 horizontal_config(struct workspace *ws, int id)
4544 {
4545         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
4546
4547         switch (id) {
4548         case SWM_ARG_ID_STACKRESET:
4549         case SWM_ARG_ID_STACKINIT:
4550                 ws->l_state.horizontal_mwin = 1;
4551                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
4552                 ws->l_state.horizontal_stacks = 1;
4553                 break;
4554         case SWM_ARG_ID_MASTERSHRINK:
4555                 if (ws->l_state.horizontal_msize > 1)
4556                         ws->l_state.horizontal_msize--;
4557                 break;
4558         case SWM_ARG_ID_MASTERGROW:
4559                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
4560                         ws->l_state.horizontal_msize++;
4561                 break;
4562         case SWM_ARG_ID_MASTERADD:
4563                 ws->l_state.horizontal_mwin++;
4564                 break;
4565         case SWM_ARG_ID_MASTERDEL:
4566                 if (ws->l_state.horizontal_mwin > 0)
4567                         ws->l_state.horizontal_mwin--;
4568                 break;
4569         case SWM_ARG_ID_STACKINC:
4570                 ws->l_state.horizontal_stacks++;
4571                 break;
4572         case SWM_ARG_ID_STACKDEC:
4573                 if (ws->l_state.horizontal_stacks > 1)
4574                         ws->l_state.horizontal_stacks--;
4575                 break;
4576         case SWM_ARG_ID_FLIPLAYOUT:
4577                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
4578                 break;
4579         default:
4580                 return;
4581         }
4582 }
4583
4584 void
4585 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
4586 {
4587         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
4588
4589         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
4590 }
4591
4592 /* fullscreen view */
4593 void
4594 max_stack(struct workspace *ws, struct swm_geometry *g)
4595 {
4596         struct swm_geometry     gg = *g;
4597         struct ws_win           *w, *win = NULL, *parent = NULL;
4598         int                     winno;
4599
4600         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
4601
4602         if (ws == NULL)
4603                 return;
4604
4605         winno = count_win(ws, 0);
4606         if (winno == 0 && count_win(ws, 1) == 0)
4607                 return;
4608
4609         /* Figure out which top level window should be visible. */
4610         if (ws->focus_pending)
4611                 win = ws->focus_pending;
4612         else if (ws->focus)
4613                 win = ws->focus;
4614         else if (ws->focus_prev)
4615                 win = ws->focus_prev;
4616         else
4617                 win = TAILQ_FIRST(&ws->winlist);
4618
4619         if (win->transient)
4620                 parent = find_window(win->transient);
4621
4622         DNPRINTF(SWM_D_STACK, "max_stack: win: 0x%x\n", win->id);
4623
4624         /* maximize all top level windows */
4625         TAILQ_FOREACH(w, &ws->winlist, entry) {
4626                 if (w->transient || w->iconic)
4627                         continue;
4628
4629                 if (!w->mapped && w != win)
4630                         map_window(w, XCB_WINDOW_NONE);
4631
4632                 if (w->floating && !w->floatmaxed) {
4633                         /*
4634                          * retain geometry for retrieval on exit from
4635                          * max_stack mode
4636                          */
4637                         store_float_geom(w);
4638                         w->floatmaxed = 1;
4639                 }
4640
4641                 /* only reconfigure if necessary */
4642                 if (X(w) != gg.x || Y(w) != gg.y || WIDTH(w) != gg.w ||
4643                     HEIGHT(w) != gg.h) {
4644                         w->g = gg;
4645                         if (bar_enabled && ws->bar_enabled){
4646                                 w->bordered = 1;
4647                         } else {
4648                                 w->bordered = 0;
4649                                 WIDTH(w) += 2 * border_width;
4650                                 HEIGHT(w) += 2 * border_width;
4651                         }
4652
4653                         update_window(w);
4654                 }
4655         }
4656
4657         /* If a parent exists, map/raise it first. */
4658         if (parent) {
4659                 map_window(parent, XCB_WINDOW_NONE);
4660
4661                 /* Map siblings next. */
4662                 TAILQ_FOREACH(w, &ws->winlist, entry)
4663                         if (w != win && !w->iconic &&
4664                             w->transient == parent->id) {
4665                                 stack_floater(w, ws->r);
4666                                 map_window(w, XCB_WINDOW_NONE);
4667                         }
4668         }
4669
4670         /* Map/raise focused window. */
4671         map_window(win, XCB_WINDOW_NONE);
4672
4673         /* Finally, map/raise children of focus window. */
4674         TAILQ_FOREACH(w, &ws->winlist, entry)
4675                 if (w->transient == win->id && !w->iconic) {
4676                         stack_floater(w, ws->r);
4677                         map_window(w, XCB_WINDOW_NONE);
4678                 }
4679 }
4680
4681 void
4682 send_to_rg(struct swm_region *r, union arg *args)
4683 {
4684         int                     ridx = args->id, i, num_screens;
4685         struct swm_region       *rr = NULL;
4686         union arg               a;
4687
4688         num_screens = get_screen_count();
4689         /* do nothing if we don't have more than one screen */
4690         if (!(num_screens > 1 || outputs > 1))
4691                 return;
4692
4693         DNPRINTF(SWM_D_FOCUS, "send_to_rg: id: %d\n", ridx);
4694
4695         rr = TAILQ_FIRST(&r->s->rl);
4696         for (i = 0; i < ridx && rr != NULL; ++i)
4697                 rr = TAILQ_NEXT(rr, entry);
4698
4699         if (rr == NULL)
4700                 return;
4701
4702         a.id = rr->ws->idx;
4703
4704         send_to_ws(r, &a);
4705 }
4706
4707 struct swm_region *
4708 region_under(struct swm_screen *s, int x, int y)
4709 {
4710         struct swm_region       *r = NULL;
4711
4712         TAILQ_FOREACH(r, &s->rl, entry) {
4713                 DNPRINTF(SWM_D_MISC, "region_under: ws: %d, region g: (%d,%d) "
4714                     "%d x %d, coords: (%d,%d)\n", r->ws->idx, X(r), Y(r),
4715                     WIDTH(r), HEIGHT(r), x, y);
4716                 if (X(r) <= x && x < MAX_X(r))
4717                         if (Y(r) <= y && y < MAX_Y(r))
4718                                 return (r);
4719         }
4720
4721         return (NULL);
4722 }
4723
4724 void
4725 send_to_ws(struct swm_region *r, union arg *args)
4726 {
4727         int                     wsid = args->id;
4728         struct ws_win           *win = NULL;
4729
4730         if (r && r->ws && r->ws->focus)
4731                 win = r->ws->focus;
4732         else
4733                 return;
4734
4735         DNPRINTF(SWM_D_MOVE, "send_to_ws: win 0x%x, ws %d\n", win->id, wsid);
4736
4737         win_to_ws(win, wsid, 1);
4738
4739         /* Restack and set new focus. */
4740         stack();
4741
4742         if (focus_mode != SWM_FOCUS_FOLLOW) {
4743                 if (r->ws->focus_pending) {
4744                         focus_win(r->ws->focus_pending);
4745                         r->ws->focus_pending = NULL;
4746                 } else {
4747                         xcb_set_input_focus(conn,
4748                             XCB_INPUT_FOCUS_PARENT, r->id,
4749                             XCB_CURRENT_TIME);
4750                 }
4751         }
4752
4753         focus_flush();
4754 }
4755
4756 void
4757 win_to_ws(struct ws_win *win, int wsid, int unfocus)
4758 {
4759         struct ws_win           *parent;
4760         struct workspace        *ws, *nws, *pws;
4761         char                    ws_idx_str[SWM_PROPLEN];
4762
4763         if (wsid >= workspace_limit)
4764                 return;
4765
4766         if (win->ws->idx == wsid)
4767                 return;
4768
4769         ws = win->ws;
4770         nws = &win->s->ws[wsid];
4771
4772         DNPRINTF(SWM_D_MOVE, "win_to_ws: win 0x%x, ws %d -> %d\n", win->id,
4773             ws->idx, wsid);
4774
4775         /* Update the window's workspace property: _SWM_WS */
4776         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
4777                 if (focus_mode != SWM_FOCUS_FOLLOW)
4778                         ws->focus_pending = get_focus_prev(win);
4779
4780                 /* Move the parent if this is a transient window. */
4781                 if (win->transient) {
4782                         parent = find_window(win->transient);
4783                         if (parent) {
4784                                 pws = parent->ws;
4785                                 /* Set new focus in parent's ws if needed. */
4786                                 if (pws->focus == parent) {
4787                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4788                                                 pws->focus_pending =
4789                                                     get_focus_prev(parent);
4790
4791                                         unfocus_win(parent);
4792
4793                                         if (focus_mode != SWM_FOCUS_FOLLOW) {
4794                                                 pws->focus = pws->focus_pending;
4795                                                 pws->focus_pending = NULL;
4796                                         }
4797                                 }
4798
4799                                 /* Don't unmap parent if new ws is visible */
4800                                 if (nws->r == NULL)
4801                                         unmap_window(parent);
4802
4803                                 /* Transfer */
4804                                 TAILQ_REMOVE(&ws->winlist, parent, entry);
4805                                 TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
4806                                 parent->ws = nws;
4807
4808                                 DNPRINTF(SWM_D_PROP, "win_to_ws: set "
4809                                     "property: _SWM_WS: %s\n", ws_idx_str);
4810                                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE,
4811                                     parent->id, a_swm_ws, XCB_ATOM_STRING, 8,
4812                                     strlen(ws_idx_str), ws_idx_str);
4813                         }
4814                 }
4815
4816                 if (unfocus)
4817                         unfocus_win(win);
4818
4819                 /* Don't unmap if new ws is visible */
4820                 if (nws->r == NULL)
4821                         unmap_window(win);
4822
4823                 /* Transfer */
4824                 TAILQ_REMOVE(&ws->winlist, win, entry);
4825                 TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
4826                 win->ws = nws;
4827
4828                 /* Set focus on new ws. */
4829                 unfocus_win(nws->focus);
4830                 nws->focus = win;
4831
4832                 DNPRINTF(SWM_D_PROP, "win_to_ws: set property: _SWM_WS: %s\n",
4833                     ws_idx_str);
4834                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
4835                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
4836                     ws_idx_str);
4837         }
4838
4839         DNPRINTF(SWM_D_MOVE, "win_to_ws: done.\n");
4840 }
4841
4842 void
4843 pressbutton(struct swm_region *r, union arg *args)
4844 {
4845         /* suppress unused warning since var is needed */
4846         (void)r;
4847
4848         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
4849             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4850         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
4851             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4852 }
4853
4854 void
4855 raise_toggle(struct swm_region *r, union arg *args)
4856 {
4857         /* suppress unused warning since var is needed */
4858         (void)args;
4859
4860         if (r == NULL || r->ws == NULL)
4861                 return;
4862
4863         r->ws->always_raise = !r->ws->always_raise;
4864
4865         /* bring floaters back to top */
4866         if (!r->ws->always_raise)
4867                 stack();
4868
4869         focus_flush();
4870 }
4871
4872 void
4873 iconify(struct swm_region *r, union arg *args)
4874 {
4875         /* suppress unused warning since var is needed */
4876         (void)args;
4877
4878         if (r->ws->focus == NULL)
4879                 return;
4880
4881         set_swm_iconic(r->ws->focus, 1);
4882
4883         xcb_flush(conn);
4884 }
4885
4886 char *
4887 get_win_name(xcb_window_t win)
4888 {
4889         char                            *name = NULL;
4890         xcb_get_property_cookie_t       c;
4891         xcb_get_property_reply_t        *r;
4892
4893         /* First try _NET_WM_NAME for UTF-8. */
4894         c = xcb_get_property(conn, 0, win, ewmh[_NET_WM_NAME].atom,
4895             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4896         r = xcb_get_property_reply(conn, c, NULL);
4897         if (r) {
4898                 if (r->type == XCB_NONE) {
4899                         free(r);
4900                         /* Use WM_NAME instead; no UTF-8. */
4901                         c = xcb_get_property(conn, 0, win, XCB_ATOM_WM_NAME,
4902                             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4903                         r = xcb_get_property_reply(conn, c, NULL);
4904                         if (r == NULL)
4905                                 return (NULL);
4906                         if (r->type == XCB_NONE) {
4907                                 free(r);
4908                                 return (NULL);
4909                         }
4910                 }
4911                 if (r->length > 0)
4912                         name = strndup(xcb_get_property_value(r),
4913                             xcb_get_property_value_length(r));
4914
4915                 free(r);
4916         }
4917
4918         return (name);
4919 }
4920
4921 void
4922 uniconify(struct swm_region *r, union arg *args)
4923 {
4924         struct ws_win           *win;
4925         FILE                    *lfile;
4926         char                    *name;
4927         int                     count = 0;
4928
4929         DNPRINTF(SWM_D_MISC, "uniconify\n");
4930
4931         if (r == NULL || r->ws == NULL)
4932                 return;
4933
4934         /* make sure we have anything to uniconify */
4935         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4936                 if (win->ws == NULL)
4937                         continue; /* should never happen */
4938                 if (!win->iconic)
4939                         continue;
4940                 count++;
4941         }
4942         if (count == 0)
4943                 return;
4944
4945         search_r = r;
4946         search_resp_action = SWM_SEARCH_UNICONIFY;
4947
4948         spawn_select(r, args, "search", &searchpid);
4949
4950         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4951                 return;
4952
4953         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4954                 if (win->ws == NULL)
4955                         continue; /* should never happen */
4956                 if (!win->iconic)
4957                         continue;
4958
4959                 name = get_win_name(win->id);
4960                 if (name == NULL)
4961                         continue;
4962                 fprintf(lfile, "%s.%u\n", name, win->id);
4963                 free(name);
4964         }
4965
4966         fclose(lfile);
4967 }
4968
4969 void
4970 name_workspace(struct swm_region *r, union arg *args)
4971 {
4972         FILE                    *lfile;
4973
4974         DNPRINTF(SWM_D_MISC, "name_workspace\n");
4975
4976         if (r == NULL)
4977                 return;
4978
4979         search_r = r;
4980         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
4981
4982         spawn_select(r, args, "name_workspace", &searchpid);
4983
4984         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4985                 return;
4986
4987         fprintf(lfile, "%s", "");
4988         fclose(lfile);
4989 }
4990
4991 void
4992 search_workspace(struct swm_region *r, union arg *args)
4993 {
4994         int                     i;
4995         struct workspace        *ws;
4996         FILE                    *lfile;
4997
4998         DNPRINTF(SWM_D_MISC, "search_workspace\n");
4999
5000         if (r == NULL)
5001                 return;
5002
5003         search_r = r;
5004         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
5005
5006         spawn_select(r, args, "search", &searchpid);
5007
5008         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
5009                 return;
5010
5011         for (i = 0; i < workspace_limit; i++) {
5012                 ws = &r->s->ws[i];
5013                 if (ws == NULL)
5014                         continue;
5015                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
5016                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
5017         }
5018
5019         fclose(lfile);
5020 }
5021
5022 void
5023 search_win_cleanup(void)
5024 {
5025         struct search_window    *sw = NULL;
5026
5027         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
5028                 xcb_destroy_window(conn, sw->indicator);
5029                 TAILQ_REMOVE(&search_wl, sw, entry);
5030                 free(sw);
5031         }
5032 }
5033
5034 void
5035 search_win(struct swm_region *r, union arg *args)
5036 {
5037         struct ws_win           *win = NULL;
5038         struct search_window    *sw = NULL;
5039         xcb_window_t            w;
5040         uint32_t                wa[2];
5041         int                     i, width, height;
5042         char                    s[8];
5043         FILE                    *lfile;
5044         size_t                  len;
5045         XftDraw                 *draw;
5046         XGlyphInfo              info;
5047         GC                      l_draw;
5048         XGCValues               l_gcv;
5049         XRectangle              l_ibox, l_lbox;
5050
5051         DNPRINTF(SWM_D_MISC, "search_win\n");
5052
5053         search_r = r;
5054         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
5055
5056         spawn_select(r, args, "search", &searchpid);
5057
5058         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
5059                 return;
5060
5061         TAILQ_INIT(&search_wl);
5062
5063         i = 1;
5064         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
5065                 if (win->iconic)
5066                         continue;
5067
5068                 sw = calloc(1, sizeof(struct search_window));
5069                 if (sw == NULL) {
5070                         warn("search_win: calloc");
5071                         fclose(lfile);
5072                         search_win_cleanup();
5073                         return;
5074                 }
5075                 sw->idx = i;
5076                 sw->win = win;
5077
5078                 snprintf(s, sizeof s, "%d", i);
5079                 len = strlen(s);
5080
5081                 w = xcb_generate_id(conn);
5082                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
5083                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].pixel;
5084
5085                 if (bar_font_legacy) {
5086                         XmbTextExtents(bar_fs, s, len, &l_ibox, &l_lbox);
5087                         width = l_lbox.width + 4;
5088                         height = bar_fs_extents->max_logical_extent.height + 4;
5089                 } else {
5090                         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len,
5091                             &info);
5092                         width = info.width + 4;
5093                         height = bar_font->height + 4;
5094                 }
5095
5096                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
5097                     width, height, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
5098                     XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL |
5099                     XCB_CW_BORDER_PIXEL, wa);
5100
5101                 xcb_map_window(conn, w);
5102
5103                 sw->indicator = w;
5104                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
5105
5106                 if (bar_font_legacy) {
5107                         l_gcv.graphics_exposures = 0;
5108                         l_draw = XCreateGC(display, w, 0, &l_gcv);
5109
5110                         XSetForeground(display, l_draw,
5111                                 r->s->c[SWM_S_COLOR_BAR].pixel);
5112
5113                         DRAWSTRING(display, w, bar_fs, l_draw, 2,
5114                             (bar_fs_extents->max_logical_extent.height -
5115                             l_lbox.height) / 2 - l_lbox.y, s, len);
5116
5117                         XFreeGC(display, l_draw);
5118                 } else {
5119
5120                         draw = XftDrawCreate(display, w,
5121                             DefaultVisual(display, r->s->idx),
5122                             DefaultColormap(display, r->s->idx));
5123
5124                         XftDrawStringUtf8(draw, &bar_font_color, bar_font, 2,
5125                             (HEIGHT(r->bar) + bar_font->height) / 2 -
5126                             bar_font->descent, (FcChar8 *)s, len);
5127
5128                         XftDrawDestroy(draw);
5129                 }
5130
5131                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
5132
5133                 fprintf(lfile, "%d\n", i);
5134                 i++;
5135         }
5136
5137         fclose(lfile);
5138
5139         xcb_flush(conn);
5140 }
5141
5142 void
5143 search_resp_uniconify(const char *resp, size_t len)
5144 {
5145         char                    *name;
5146         struct ws_win           *win;
5147         char                    *s;
5148
5149         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
5150
5151         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
5152                 if (!win->iconic)
5153                         continue;
5154                 name = get_win_name(win->id);
5155                 if (name == NULL)
5156                         continue;
5157                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
5158                         free(name);
5159                         continue;
5160                 }
5161                 free(name);
5162                 if (strncmp(s, resp, len) == 0) {
5163                         /* XXX this should be a callback to generalize */
5164                         set_swm_iconic(win, 0);
5165                         free(s);
5166                         break;
5167                 }
5168                 free(s);
5169         }
5170 }
5171
5172 void
5173 search_resp_name_workspace(const char *resp, size_t len)
5174 {
5175         struct workspace        *ws;
5176
5177         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
5178
5179         if (search_r->ws == NULL)
5180                 return;
5181         ws = search_r->ws;
5182
5183         if (ws->name) {
5184                 free(search_r->ws->name);
5185                 search_r->ws->name = NULL;
5186         }
5187
5188         if (len > 1) {
5189                 ws->name = strdup(resp);
5190                 if (ws->name == NULL) {
5191                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
5192                             "strdup: %s", strerror(errno));
5193                         return;
5194                 }
5195         }
5196 }
5197
5198 void
5199 search_resp_search_workspace(const char *resp)
5200 {
5201         char                    *p, *q;
5202         int                     ws_idx;
5203         const char              *errstr;
5204         union arg               a;
5205
5206         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
5207
5208         q = strdup(resp);
5209         if (q == NULL) {
5210                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
5211                     strerror(errno));
5212                 return;
5213         }
5214         p = strchr(q, ':');
5215         if (p != NULL)
5216                 *p = '\0';
5217         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
5218         if (errstr) {
5219                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
5220                     errstr, q);
5221                 free(q);
5222                 return;
5223         }
5224         free(q);
5225         a.id = ws_idx - 1;
5226         switchws(search_r, &a);
5227 }
5228
5229 void
5230 search_resp_search_window(const char *resp)
5231 {
5232         char                    *s;
5233         int                     idx;
5234         const char              *errstr;
5235         struct search_window    *sw;
5236
5237         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
5238
5239         s = strdup(resp);
5240         if (s == NULL) {
5241                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
5242                     strerror(errno));
5243                 return;
5244         }
5245
5246         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
5247         if (errstr) {
5248                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
5249                     errstr, s);
5250                 free(s);
5251                 return;
5252         }
5253         free(s);
5254
5255         TAILQ_FOREACH(sw, &search_wl, entry)
5256                 if (idx == sw->idx) {
5257                         focus_win(sw->win);
5258                         break;
5259                 }
5260 }
5261
5262 #define MAX_RESP_LEN    1024
5263
5264 void
5265 search_do_resp(void)
5266 {
5267         ssize_t                 rbytes;
5268         char                    *resp;
5269         size_t                  len;
5270
5271         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
5272
5273         search_resp = 0;
5274         searchpid = 0;
5275
5276         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
5277                 warn("search: calloc");
5278                 goto done;
5279         }
5280
5281         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
5282         if (rbytes <= 0) {
5283                 warn("search: read error");
5284                 goto done;
5285         }
5286         resp[rbytes] = '\0';
5287
5288         /* XXX:
5289          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
5290          * newline, so work around that by sanitizing the resp now.
5291          */
5292         resp[strcspn(resp, "\n")] = '\0';
5293         len = strlen(resp);
5294
5295         switch (search_resp_action) {
5296         case SWM_SEARCH_UNICONIFY:
5297                 search_resp_uniconify(resp, len);
5298                 break;
5299         case SWM_SEARCH_NAME_WORKSPACE:
5300                 search_resp_name_workspace(resp, len);
5301                 break;
5302         case SWM_SEARCH_SEARCH_WORKSPACE:
5303                 search_resp_search_workspace(resp);
5304                 break;
5305         case SWM_SEARCH_SEARCH_WINDOW:
5306                 search_resp_search_window(resp);
5307                 break;
5308         }
5309
5310 done:
5311         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
5312                 search_win_cleanup();
5313
5314         search_resp_action = SWM_SEARCH_NONE;
5315         close(select_resp_pipe[0]);
5316         free(resp);
5317
5318         xcb_flush(conn);
5319 }
5320
5321 void
5322 wkill(struct swm_region *r, union arg *args)
5323 {
5324         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
5325
5326         if (r->ws->focus == NULL)
5327                 return;
5328
5329         if (args->id == SWM_ARG_ID_KILLWINDOW)
5330                 xcb_kill_client(conn, r->ws->focus->id);
5331         else
5332                 if (r->ws->focus->can_delete)
5333                         client_msg(r->ws->focus, a_delete, 0);
5334
5335         focus_flush();
5336 }
5337
5338 int
5339 floating_toggle_win(struct ws_win *win)
5340 {
5341         if (win == NULL)
5342                 return (0);
5343
5344         if (win->ws->r == NULL)
5345                 return (0);
5346
5347         /* reject floating toggles in max stack mode */
5348         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
5349                 return (0);
5350
5351         if (win->floating) {
5352                 if (!win->floatmaxed) {
5353                         /* retain position for refloat */
5354                         store_float_geom(win);
5355                 }
5356                 win->floating = 0;
5357         } else {
5358                 load_float_geom(win);
5359                 win->floating = 1;
5360         }
5361
5362         ewmh_update_actions(win);
5363
5364         return (1);
5365 }
5366
5367 void
5368 floating_toggle(struct swm_region *r, union arg *args)
5369 {
5370         struct ws_win           *win = r->ws->focus;
5371
5372         /* suppress unused warning since var is needed */
5373         (void)args;
5374
5375         if (win == NULL)
5376                 return;
5377
5378         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5379                 return;
5380
5381         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5382             _NET_WM_STATE_TOGGLE);
5383
5384         stack();
5385
5386         if (win == win->ws->focus)
5387                 focus_win(win);
5388
5389         focus_flush();
5390 }
5391
5392 void
5393 region_containment(struct ws_win *win, struct swm_region *r, int opts)
5394 {
5395         struct swm_geometry             g = r->g;
5396         int                             rt, lt, tp, bm, bw;
5397
5398         bw = (opts & SWM_CW_SOFTBOUNDARY) ? boundary_width : 0;
5399
5400         /*
5401          * Perpendicular distance of each side of the window to the respective
5402          * side of the region boundary.  Positive values indicate the side of
5403          * the window has passed beyond the region boundary.
5404          */
5405         rt = opts & SWM_CW_RIGHT ? MAX_X(win) + BORDER(win) - MAX_X(r) : bw;
5406         lt = opts & SWM_CW_LEFT ? X(r) - X(win) + BORDER(win) : bw;
5407         bm = opts & SWM_CW_BOTTOM ? MAX_Y(win) + BORDER(win) - MAX_Y(r) : bw;
5408         tp = opts & SWM_CW_TOP ? Y(r) - Y(win) + BORDER(win) : bw;
5409
5410         DNPRINTF(SWM_D_MISC, "region_containment: win 0x%x, rt: %d, lt: %d, "
5411             "bm: %d, tp: %d, SOFTBOUNDARY: %s, HARDBOUNDARY: %s\n", win->id, rt,
5412             lt, bm, tp, YESNO(opts & SWM_CW_SOFTBOUNDARY),
5413             YESNO(opts & SWM_CW_HARDBOUNDARY));
5414
5415         /*
5416          * Disable containment if any of the flagged sides went beyond the
5417          * containment boundary, or if containment is disabled.
5418          */
5419         if (!(opts & SWM_CW_HARDBOUNDARY || opts & SWM_CW_SOFTBOUNDARY) ||
5420             (bw != 0 && ((rt > bw) || (lt > bw) || (bm > bw) || (tp > bw)))) {
5421                 /* Make sure window has at least 1 pixel in the region */
5422                 g.x += 1 - WIDTH(win);
5423                 g.y += 1 - HEIGHT(win);
5424                 g.w += 2 * WIDTH(win) - 2;
5425                 g.h += 2 * HEIGHT(win) - 2;
5426         }
5427
5428         constrain_window(win, &g, &opts);
5429 }
5430
5431 /* Move or resize a window so that flagged side(s) fit into the supplied box. */
5432 void
5433 constrain_window(struct ws_win *win, struct swm_geometry *b, int *opts)
5434 {
5435         DNPRINTF(SWM_D_MISC, "constrain_window: window: 0x%x, (x,y) w x h: "
5436             "(%d,%d) %d x %d, box: (x,y) w x h: (%d,%d) %d x %d, rt: %s, "
5437             "lt: %s, bt: %s, tp: %s, allow resize: %s\n", win->id, X(win),
5438             Y(win), WIDTH(win), HEIGHT(win), b->x, b->y, b->w, b->h,
5439             YESNO(*opts & SWM_CW_RIGHT), YESNO(*opts & SWM_CW_LEFT),
5440             YESNO(*opts & SWM_CW_BOTTOM), YESNO(*opts & SWM_CW_TOP),
5441             YESNO(*opts & SWM_CW_RESIZABLE));
5442
5443         if ((*opts & SWM_CW_RIGHT) && MAX_X(win) + BORDER(win) > b->x + b->w) {
5444                 if (*opts & SWM_CW_RESIZABLE)
5445                         WIDTH(win) = b->x + b->w - X(win) - BORDER(win);
5446                 else
5447                         X(win) = b->x + b->w - WIDTH(win) - BORDER(win);
5448         }
5449
5450         if ((*opts & SWM_CW_LEFT) && X(win) + BORDER(win) < b->x) {
5451                 if (*opts & SWM_CW_RESIZABLE)
5452                         WIDTH(win) -= b->x - X(win) - BORDER(win);
5453
5454                 X(win) = b->x - BORDER(win);
5455         }
5456
5457         if ((*opts & SWM_CW_BOTTOM) && MAX_Y(win) + BORDER(win) > b->y + b->h) {
5458                 if (*opts & SWM_CW_RESIZABLE)
5459                         HEIGHT(win) = b->y + b->h - Y(win) - BORDER(win);
5460                 else
5461                         Y(win) = b->y + b->h - HEIGHT(win) - BORDER(win);
5462         }
5463
5464         if ((*opts & SWM_CW_TOP) && Y(win) + BORDER(win) < b->y) {
5465                 if (*opts & SWM_CW_RESIZABLE)
5466                         HEIGHT(win) -= b->y - Y(win) - BORDER(win);
5467
5468                 Y(win) = b->y - BORDER(win);
5469         }
5470
5471         if (*opts & SWM_CW_RESIZABLE) {
5472                 if (WIDTH(win) < 1)
5473                         WIDTH(win) = 1;
5474                 if (HEIGHT(win) < 1)
5475                         HEIGHT(win) = 1;
5476         }
5477 }
5478
5479 void
5480 update_window(struct ws_win *win)
5481 {
5482         uint16_t        mask;
5483         uint32_t        wc[5];
5484
5485         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
5486             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
5487             XCB_CONFIG_WINDOW_BORDER_WIDTH;
5488         wc[0] = X(win);
5489         wc[1] = Y(win);
5490         wc[2] = WIDTH(win);
5491         wc[3] = HEIGHT(win);
5492         wc[4] = BORDER(win);
5493
5494         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
5495             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
5496             wc[3], YESNO(win->bordered));
5497
5498         xcb_configure_window(conn, win->id, mask, wc);
5499 }
5500
5501 #define SWM_RESIZE_STEPS        (50)
5502
5503 void
5504 resize(struct ws_win *win, union arg *args)
5505 {
5506         xcb_timestamp_t         timestamp = 0;
5507         struct swm_region       *r = NULL;
5508         int                     resize_stp = 0;
5509         struct swm_geometry     g;
5510         int                     top = 0, left = 0, resizing;
5511         int                     dx, dy;
5512         xcb_cursor_t                    cursor;
5513         xcb_query_pointer_reply_t       *xpr = NULL;
5514         xcb_generic_event_t             *evt;
5515         xcb_motion_notify_event_t       *mne;
5516
5517         if (win == NULL)
5518                 return;
5519         r = win->ws->r;
5520
5521         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5522                 return;
5523
5524         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
5525             "transient: 0x%x\n", win->id, YESNO(win->floating),
5526             win->transient);
5527
5528         if (!win->transient && !win->floating)
5529                 return;
5530
5531         /* reject resizes in max mode for floaters (transient ok) */
5532         if (win->floatmaxed)
5533                 return;
5534
5535         win->manual = 1;
5536         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5537             _NET_WM_STATE_ADD);
5538
5539         stack();
5540
5541         focus_flush();
5542
5543         /* It's possible for win to have been freed during focus_flush(). */
5544         if (validate_win(win)) {
5545                 DNPRINTF(SWM_D_EVENT, "resize: invalid win.\n");
5546                 goto out;
5547         }
5548
5549         switch (args->id) {
5550         case SWM_ARG_ID_WIDTHSHRINK:
5551                 WIDTH(win) -= SWM_RESIZE_STEPS;
5552                 resize_stp = 1;
5553                 break;
5554         case SWM_ARG_ID_WIDTHGROW:
5555                 WIDTH(win) += SWM_RESIZE_STEPS;
5556                 resize_stp = 1;
5557                 break;
5558         case SWM_ARG_ID_HEIGHTSHRINK:
5559                 HEIGHT(win) -= SWM_RESIZE_STEPS;
5560                 resize_stp = 1;
5561                 break;
5562         case SWM_ARG_ID_HEIGHTGROW:
5563                 HEIGHT(win) += SWM_RESIZE_STEPS;
5564                 resize_stp = 1;
5565                 break;
5566         default:
5567                 break;
5568         }
5569         if (resize_stp) {
5570                 region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
5571                     SWM_CW_HARDBOUNDARY);
5572                 update_window(win);
5573                 store_float_geom(win);
5574                 return;
5575         }
5576
5577         region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
5578             SWM_CW_SOFTBOUNDARY);
5579         update_window(win);
5580
5581         /* get cursor offset from window root */
5582         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5583             NULL);
5584         if (xpr == NULL)
5585                 return;
5586
5587         g = win->g;
5588
5589         if (xpr->win_x < WIDTH(win) / 2)
5590                 left = 1;
5591
5592         if (xpr->win_y < HEIGHT(win) / 2)
5593                 top = 1;
5594
5595         if (args->id == SWM_ARG_ID_CENTER)
5596                 cursor = cursors[XC_SIZING].cid;
5597         else if (top)
5598                 cursor = cursors[left ? XC_TOP_LEFT_CORNER :
5599                     XC_TOP_RIGHT_CORNER].cid;
5600         else
5601                 cursor = cursors[left ? XC_BOTTOM_LEFT_CORNER :
5602                     XC_BOTTOM_RIGHT_CORNER].cid;
5603
5604         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5605             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
5606             XCB_CURRENT_TIME),
5607
5608         xcb_flush(conn);
5609         resizing = 1;
5610         while (resizing && (evt = xcb_wait_for_event(conn))) {
5611                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5612                 case XCB_BUTTON_RELEASE:
5613                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
5614                         resizing = 0;
5615                         break;
5616                 case XCB_MOTION_NOTIFY:
5617                         mne = (xcb_motion_notify_event_t *)evt;
5618                         /* cursor offset/delta from start of the operation */
5619                         dx = mne->root_x - xpr->root_x;
5620                         dy = mne->root_y - xpr->root_y;
5621
5622                         /* vertical */
5623                         if (top)
5624                                 dy = -dy;
5625
5626                         if (args->id == SWM_ARG_ID_CENTER) {
5627                                 if (g.h / 2 + dy < 1)
5628                                         dy = 1 - g.h / 2;
5629
5630                                 Y(win) = g.y - dy;
5631                                 HEIGHT(win) = g.h + 2 * dy;
5632                         } else {
5633                                 if (g.h + dy < 1)
5634                                         dy = 1 - g.h;
5635
5636                                 if (top)
5637                                         Y(win) = g.y - dy;
5638
5639                                 HEIGHT(win) = g.h + dy;
5640                         }
5641
5642                         /* horizontal */
5643                         if (left)
5644                                 dx = -dx;
5645
5646                         if (args->id == SWM_ARG_ID_CENTER) {
5647                                 if (g.w / 2 + dx < 1)
5648                                         dx = 1 - g.w / 2;
5649
5650                                 X(win) = g.x - dx;
5651                                 WIDTH(win) = g.w + 2 * dx;
5652                         } else {
5653                                 if (g.w + dx < 1)
5654                                         dx = 1 - g.w;
5655
5656                                 if (left)
5657                                         X(win) = g.x - dx;
5658
5659                                 WIDTH(win) = g.w + dx;
5660                         }
5661
5662                         /* not free, don't sync more than 120 times / second */
5663                         if ((mne->time - timestamp) > (1000 / 120) ) {
5664                                 timestamp = mne->time;
5665                                 regionize(win, mne->root_x, mne->root_y);
5666                                 region_containment(win, r, SWM_CW_ALLSIDES |
5667                                     SWM_CW_RESIZABLE | SWM_CW_HARDBOUNDARY |
5668                                     SWM_CW_SOFTBOUNDARY);
5669                                 update_window(win);
5670                                 xcb_flush(conn);
5671                         }
5672                         break;
5673                 default:
5674                         event_handle(evt);
5675
5676                         /* It's possible for win to have been freed above. */
5677                         if (validate_win(win)) {
5678                                 DNPRINTF(SWM_D_EVENT, "resize: invalid win.\n");
5679                                 goto out;
5680                         }
5681                         break;
5682                 }
5683                 free(evt);
5684         }
5685         if (timestamp) {
5686                 region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
5687                     SWM_CW_HARDBOUNDARY | SWM_CW_SOFTBOUNDARY);
5688                 update_window(win);
5689                 xcb_flush(conn);
5690         }
5691         store_float_geom(win);
5692 out:
5693         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5694         free(xpr);
5695         DNPRINTF(SWM_D_EVENT, "resize: done.\n");
5696 }
5697
5698 void
5699 resize_step(struct swm_region *r, union arg *args)
5700 {
5701         struct ws_win           *win = NULL;
5702
5703         if (r && r->ws && r->ws->focus)
5704                 win = r->ws->focus;
5705         else
5706                 return;
5707
5708         resize(win, args);
5709         focus_flush();
5710 }
5711
5712 /* Try to set window region based on supplied coordinates or window center. */
5713 void
5714 regionize(struct ws_win *win, int x, int y)
5715 {
5716         struct swm_region *r = NULL;
5717
5718         r = region_under(win->s, x, y);
5719         if (r == NULL)
5720                 r = region_under(win->s, X(win) + WIDTH(win) / 2,
5721                     Y(win) + HEIGHT(win) / 2);
5722
5723         if (r && r != win->ws->r) {
5724                 win_to_ws(win, r->ws->idx, 0);
5725                 set_region(r);
5726         }
5727 }
5728
5729 #define SWM_MOVE_STEPS  (50)
5730
5731 void
5732 move(struct ws_win *win, union arg *args)
5733 {
5734         xcb_timestamp_t         timestamp = 0;
5735         int                     move_stp = 0, moving;
5736         xcb_query_pointer_reply_t       *qpr = NULL;
5737         xcb_generic_event_t             *evt;
5738         xcb_motion_notify_event_t       *mne;
5739
5740         if (win == NULL)
5741                 return;
5742
5743         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5744                 return;
5745
5746         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
5747             "0x%x\n", win->id, YESNO(win->floating), win->transient);
5748
5749         /* in max_stack mode should only move transients */
5750         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
5751                 return;
5752
5753         if (!win->manual) {
5754                 win->manual = 1;
5755                 ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5756                     _NET_WM_STATE_ADD);
5757         }
5758
5759         /* When a stacked win is moved, float it and restack. */
5760         if (!win->floating && !win->transient) {
5761                 store_float_geom(win);
5762                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5763                     _NET_WM_STATE_ADD);
5764                 stack();
5765         }
5766
5767         focus_flush();
5768
5769         /* It's possible for win to have been freed during focus_flush(). */
5770         if (validate_win(win)) {
5771                 DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
5772                 goto out;
5773         }
5774
5775         move_stp = 0;
5776         switch (args->id) {
5777         case SWM_ARG_ID_MOVELEFT:
5778                 X(win) -= (SWM_MOVE_STEPS - border_width);
5779                 move_stp = 1;
5780                 break;
5781         case SWM_ARG_ID_MOVERIGHT:
5782                 X(win) += (SWM_MOVE_STEPS - border_width);
5783                 move_stp = 1;
5784                 break;
5785         case SWM_ARG_ID_MOVEUP:
5786                 Y(win) -= (SWM_MOVE_STEPS - border_width);
5787                 move_stp = 1;
5788                 break;
5789         case SWM_ARG_ID_MOVEDOWN:
5790                 Y(win) += (SWM_MOVE_STEPS - border_width);
5791                 move_stp = 1;
5792                 break;
5793         default:
5794                 break;
5795         }
5796         if (move_stp) {
5797                 regionize(win, -1, -1);
5798                 region_containment(win, win->ws->r, SWM_CW_ALLSIDES);
5799                 update_window(win);
5800                 store_float_geom(win);
5801                 return;
5802         }
5803
5804         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5805             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
5806             XCB_WINDOW_NONE, cursors[XC_FLEUR].cid, XCB_CURRENT_TIME);
5807
5808         /* get cursor offset from window root */
5809         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5810                 NULL);
5811         if (qpr == NULL) {
5812                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5813                 return;
5814         }
5815
5816         regionize(win, qpr->root_x, qpr->root_y);
5817         region_containment(win, win->ws->r, SWM_CW_ALLSIDES |
5818             SWM_CW_SOFTBOUNDARY);
5819         update_window(win);
5820         xcb_flush(conn);
5821         moving = 1;
5822         while (moving && (evt = xcb_wait_for_event(conn))) {
5823                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5824                 case XCB_BUTTON_RELEASE:
5825                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
5826                         moving = 0;
5827                         break;
5828                 case XCB_MOTION_NOTIFY:
5829                         mne = (xcb_motion_notify_event_t *)evt;
5830                         DNPRINTF(SWM_D_EVENT, "motion: root: 0x%x\n", mne->root);
5831                         X(win) = mne->root_x - qpr->win_x - border_width;
5832                         Y(win) = mne->root_y - qpr->win_y - border_width;
5833
5834                         /* not free, don't sync more than 120 times / second */
5835                         if ((mne->time - timestamp) > (1000 / 120) ) {
5836                                 timestamp = mne->time;
5837                                 regionize(win, mne->root_x, mne->root_y);
5838                                 region_containment(win, win->ws->r,
5839                                     SWM_CW_ALLSIDES | SWM_CW_SOFTBOUNDARY);
5840                                 update_window(win);
5841                                 xcb_flush(conn);
5842                         }
5843                         break;
5844                 default:
5845                         event_handle(evt);
5846
5847                         /* It's possible for win to have been freed above. */
5848                         if (validate_win(win)) {
5849                                 DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
5850                                 goto out;
5851                         }
5852                         break;
5853                 }
5854                 free(evt);
5855         }
5856         if (timestamp) {
5857                 region_containment(win, win->ws->r, SWM_CW_ALLSIDES |
5858                     SWM_CW_SOFTBOUNDARY);
5859                 update_window(win);
5860                 xcb_flush(conn);
5861         }
5862         store_float_geom(win);
5863 out:
5864         free(qpr);
5865         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5866         DNPRINTF(SWM_D_EVENT, "move: done.\n");
5867 }
5868
5869 void
5870 move_step(struct swm_region *r, union arg *args)
5871 {
5872         struct ws_win           *win = NULL;
5873
5874         if (r && r->ws && r->ws->focus)
5875                 win = r->ws->focus;
5876         else
5877                 return;
5878
5879         if (!win->transient && !win->floating)
5880                 return;
5881
5882         move(win, args);
5883         focus_flush();
5884 }
5885
5886 /* key definitions */
5887 struct keyfunc {
5888         char                    name[SWM_FUNCNAME_LEN];
5889         void                    (*func)(struct swm_region *r, union arg *);
5890         union arg               args;
5891 } keyfuncs[KF_INVALID + 1] = {
5892         /* name                 function        argument */
5893         { "bar_toggle",         bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE} },
5894         { "bar_toggle_ws",      bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE_WS} },
5895         { "button2",            pressbutton,    {2} },
5896         { "cycle_layout",       cycle_layout,   {0} },
5897         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
5898         { "float_toggle",       floating_toggle,{0} },
5899         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
5900         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
5901         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
5902         { "focus_urgent",       focus,          {.id = SWM_ARG_ID_FOCUSURGENT} },
5903         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
5904         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
5905         { "iconify",            iconify,        {0} },
5906         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
5907         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
5908         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
5909         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
5910         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
5911         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
5912         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
5913         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
5914         { "mvrg_1",             send_to_rg,     {.id = 0} },
5915         { "mvrg_2",             send_to_rg,     {.id = 1} },
5916         { "mvrg_3",             send_to_rg,     {.id = 2} },
5917         { "mvrg_4",             send_to_rg,     {.id = 3} },
5918         { "mvrg_5",             send_to_rg,     {.id = 4} },
5919         { "mvrg_6",             send_to_rg,     {.id = 5} },
5920         { "mvrg_7",             send_to_rg,     {.id = 6} },
5921         { "mvrg_8",             send_to_rg,     {.id = 7} },
5922         { "mvrg_9",             send_to_rg,     {.id = 8} },
5923         { "mvws_1",             send_to_ws,     {.id = 0} },
5924         { "mvws_2",             send_to_ws,     {.id = 1} },
5925         { "mvws_3",             send_to_ws,     {.id = 2} },
5926         { "mvws_4",             send_to_ws,     {.id = 3} },
5927         { "mvws_5",             send_to_ws,     {.id = 4} },
5928         { "mvws_6",             send_to_ws,     {.id = 5} },
5929         { "mvws_7",             send_to_ws,     {.id = 6} },
5930         { "mvws_8",             send_to_ws,     {.id = 7} },
5931         { "mvws_9",             send_to_ws,     {.id = 8} },
5932         { "mvws_10",            send_to_ws,     {.id = 9} },
5933         { "mvws_11",            send_to_ws,     {.id = 10} },
5934         { "mvws_12",            send_to_ws,     {.id = 11} },
5935         { "mvws_13",            send_to_ws,     {.id = 12} },
5936         { "mvws_14",            send_to_ws,     {.id = 13} },
5937         { "mvws_15",            send_to_ws,     {.id = 14} },
5938         { "mvws_16",            send_to_ws,     {.id = 15} },
5939         { "mvws_17",            send_to_ws,     {.id = 16} },
5940         { "mvws_18",            send_to_ws,     {.id = 17} },
5941         { "mvws_19",            send_to_ws,     {.id = 18} },
5942         { "mvws_20",            send_to_ws,     {.id = 19} },
5943         { "mvws_21",            send_to_ws,     {.id = 20} },
5944         { "mvws_22",            send_to_ws,     {.id = 21} },
5945         { "name_workspace",     name_workspace, {0} },
5946         { "quit",               quit,           {0} },
5947         { "raise_toggle",       raise_toggle,   {0} },
5948         { "restart",            restart,        {0} },
5949         { "rg_1",               focusrg,        {.id = 0} },
5950         { "rg_2",               focusrg,        {.id = 1} },
5951         { "rg_3",               focusrg,        {.id = 2} },
5952         { "rg_4",               focusrg,        {.id = 3} },
5953         { "rg_5",               focusrg,        {.id = 4} },
5954         { "rg_6",               focusrg,        {.id = 5} },
5955         { "rg_7",               focusrg,        {.id = 6} },
5956         { "rg_8",               focusrg,        {.id = 7} },
5957         { "rg_9",               focusrg,        {.id = 8} },
5958         { "rg_next",            cyclerg,        {.id = SWM_ARG_ID_CYCLERG_UP} },
5959         { "rg_prev",            cyclerg,        {.id = SWM_ARG_ID_CYCLERG_DOWN} },
5960         { "screen_next",        cyclerg,        {.id = SWM_ARG_ID_CYCLERG_UP} },
5961         { "screen_prev",        cyclerg,        {.id = SWM_ARG_ID_CYCLERG_DOWN} },
5962         { "search_win",         search_win,     {0} },
5963         { "search_workspace",   search_workspace,       {0} },
5964         { "spawn_custom",       NULL,           {0} },
5965         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
5966         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
5967         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
5968         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
5969         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
5970         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
5971         { "uniconify",          uniconify,      {0} },
5972         { "version",            version,        {0} },
5973         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
5974         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
5975         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
5976         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
5977         { "ws_1",               switchws,       {.id = 0} },
5978         { "ws_2",               switchws,       {.id = 1} },
5979         { "ws_3",               switchws,       {.id = 2} },
5980         { "ws_4",               switchws,       {.id = 3} },
5981         { "ws_5",               switchws,       {.id = 4} },
5982         { "ws_6",               switchws,       {.id = 5} },
5983         { "ws_7",               switchws,       {.id = 6} },
5984         { "ws_8",               switchws,       {.id = 7} },
5985         { "ws_9",               switchws,       {.id = 8} },
5986         { "ws_10",              switchws,       {.id = 9} },
5987         { "ws_11",              switchws,       {.id = 10} },
5988         { "ws_12",              switchws,       {.id = 11} },
5989         { "ws_13",              switchws,       {.id = 12} },
5990         { "ws_14",              switchws,       {.id = 13} },
5991         { "ws_15",              switchws,       {.id = 14} },
5992         { "ws_16",              switchws,       {.id = 15} },
5993         { "ws_17",              switchws,       {.id = 16} },
5994         { "ws_18",              switchws,       {.id = 17} },
5995         { "ws_19",              switchws,       {.id = 18} },
5996         { "ws_20",              switchws,       {.id = 19} },
5997         { "ws_21",              switchws,       {.id = 20} },
5998         { "ws_22",              switchws,       {.id = 21} },
5999         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
6000         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
6001         { "ws_next_move",       cyclews,        {.id = SWM_ARG_ID_CYCLEWS_MOVE_UP} },
6002         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
6003         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
6004         { "ws_prev_move",       cyclews,        {.id = SWM_ARG_ID_CYCLEWS_MOVE_DOWN} },
6005         { "ws_prior",           priorws,        {0} },
6006         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
6007         { "invalid key func",   NULL,           {0} },
6008 };
6009
6010 int
6011 key_cmp(struct key *kp1, struct key *kp2)
6012 {
6013         if (kp1->keysym < kp2->keysym)
6014                 return (-1);
6015         if (kp1->keysym > kp2->keysym)
6016                 return (1);
6017
6018         if (kp1->mod < kp2->mod)
6019                 return (-1);
6020         if (kp1->mod > kp2->mod)
6021                 return (1);
6022
6023         return (0);
6024 }
6025
6026 /* mouse */
6027 enum { client_click, root_click };
6028 struct button {
6029         unsigned int            action;
6030         unsigned int            mask;
6031         unsigned int            button;
6032         void                    (*func)(struct ws_win *, union arg *);
6033         union arg               args;
6034 } buttons[] = {
6035 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
6036           /* action     key             mouse button    func    args */
6037         { client_click, MODKEY,         XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_DONTCENTER} },
6038         { client_click, MODKEY_SHIFT,   XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_CENTER} },
6039         { client_click, MODKEY,         XCB_BUTTON_INDEX_1,     move,   {0} },
6040 #undef MODKEY_SHIFT
6041 };
6042
6043 void
6044 update_modkey(unsigned int mod)
6045 {
6046         int                     i;
6047         struct key              *kp;
6048
6049         mod_key = mod;
6050         RB_FOREACH(kp, key_tree, &keys)
6051                 if (kp->mod & XCB_MOD_MASK_SHIFT)
6052                         kp->mod = mod | XCB_MOD_MASK_SHIFT;
6053                 else
6054                         kp->mod = mod;
6055
6056         for (i = 0; i < LENGTH(buttons); i++)
6057                 if (buttons[i].mask & XCB_MOD_MASK_SHIFT)
6058                         buttons[i].mask = mod | XCB_MOD_MASK_SHIFT;
6059                 else
6060                         buttons[i].mask = mod;
6061 }
6062
6063 int
6064 spawn_expand(struct swm_region *r, union arg *args, const char *spawn_name,
6065     char ***ret_args)
6066 {
6067         struct spawn_prog       *prog = NULL;
6068         int                     i, c;
6069         char                    *ap, **real_args;
6070
6071         /* suppress unused warning since var is needed */
6072         (void)args;
6073
6074         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
6075
6076         /* find program */
6077         TAILQ_FOREACH(prog, &spawns, entry) {
6078                 if (strcasecmp(spawn_name, prog->name) == 0)
6079                         break;
6080         }
6081         if (prog == NULL) {
6082                 warnx("spawn_custom: program %s not found", spawn_name);
6083                 return (-1);
6084         }
6085
6086         /* make room for expanded args */
6087         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
6088                 err(1, "spawn_custom: calloc real_args");
6089
6090         /* expand spawn_args into real_args */
6091         for (i = c = 0; i < prog->argc; i++) {
6092                 ap = prog->argv[i];
6093                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
6094                 if (strcasecmp(ap, "$bar_border") == 0) {
6095                         if ((real_args[c] =
6096                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
6097                             == NULL)
6098                                 err(1,  "spawn_custom border color");
6099                 } else if (strcasecmp(ap, "$bar_color") == 0) {
6100                         if ((real_args[c] =
6101                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
6102                             == NULL)
6103                                 err(1, "spawn_custom bar color");
6104                 } else if (strcasecmp(ap, "$bar_font") == 0) {
6105                         if ((real_args[c] = strdup(bar_fonts))
6106                             == NULL)
6107                                 err(1, "spawn_custom bar fonts");
6108                 } else if (strcasecmp(ap, "$bar_font_color") == 0) {
6109                         if ((real_args[c] =
6110                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
6111                             == NULL)
6112                                 err(1, "spawn_custom color font");
6113                 } else if (strcasecmp(ap, "$color_focus") == 0) {
6114                         if ((real_args[c] =
6115                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
6116                             == NULL)
6117                                 err(1, "spawn_custom color focus");
6118                 } else if (strcasecmp(ap, "$color_unfocus") == 0) {
6119                         if ((real_args[c] =
6120                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
6121                             == NULL)
6122                                 err(1, "spawn_custom color unfocus");
6123                 } else if (strcasecmp(ap, "$region_index") == 0) {
6124                         if (asprintf(&real_args[c], "%d",
6125                             get_region_index(r) + 1) < 1)
6126                                 err(1, "spawn_custom region index");
6127                 } else if (strcasecmp(ap, "$workspace_index") == 0) {
6128                         if (asprintf(&real_args[c], "%d", r->ws->idx + 1) < 1)
6129                                 err(1, "spawn_custom workspace index");
6130                 } else if (strcasecmp(ap, "$dmenu_bottom") == 0) {
6131                         if (!bar_at_bottom)
6132                                 continue;
6133                         if ((real_args[c] = strdup("-b")) == NULL)
6134                                 err(1, "spawn_custom workspace index");
6135                 } else {
6136                         /* no match --> copy as is */
6137                         if ((real_args[c] = strdup(ap)) == NULL)
6138                                 err(1, "spawn_custom strdup(ap)");
6139                 }
6140                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
6141                     real_args[c]);
6142                 ++c;
6143         }
6144
6145 #ifdef SWM_DEBUG
6146         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
6147         for (i = 0; i < c; ++i)
6148                 DPRINTF("\"%s\" ", real_args[i]);
6149         DPRINTF("\n");
6150 #endif
6151         *ret_args = real_args;
6152         return (c);
6153 }
6154
6155 void
6156 spawn_custom(struct swm_region *r, union arg *args, const char *spawn_name)
6157 {
6158         union arg               a;
6159         char                    **real_args;
6160         int                     spawn_argc, i;
6161
6162         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
6163                 return;
6164         a.argv = real_args;
6165         if (fork() == 0)
6166                 spawn(r->ws->idx, &a, 1);
6167
6168         for (i = 0; i < spawn_argc; i++)
6169                 free(real_args[i]);
6170         free(real_args);
6171 }
6172
6173 void
6174 spawn_select(struct swm_region *r, union arg *args, const char *spawn_name,
6175     int *pid)
6176 {
6177         union arg               a;
6178         char                    **real_args;
6179         int                     i, spawn_argc;
6180
6181         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
6182                 return;
6183         a.argv = real_args;
6184
6185         if (pipe(select_list_pipe) == -1)
6186                 err(1, "pipe error");
6187         if (pipe(select_resp_pipe) == -1)
6188                 err(1, "pipe error");
6189
6190         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
6191                 err(1, "could not disable SIGPIPE");
6192         switch (*pid = fork()) {
6193         case -1:
6194                 err(1, "cannot fork");
6195                 break;
6196         case 0: /* child */
6197                 if (dup2(select_list_pipe[0], STDIN_FILENO) == -1)
6198                         err(1, "dup2");
6199                 if (dup2(select_resp_pipe[1], STDOUT_FILENO) == -1)
6200                         err(1, "dup2");
6201                 close(select_list_pipe[1]);
6202                 close(select_resp_pipe[0]);
6203                 spawn(r->ws->idx, &a, 0);
6204                 break;
6205         default: /* parent */
6206                 close(select_list_pipe[0]);
6207                 close(select_resp_pipe[1]);
6208                 break;
6209         }
6210
6211         for (i = 0; i < spawn_argc; i++)
6212                 free(real_args[i]);
6213         free(real_args);
6214 }
6215
6216 void
6217 spawn_insert(const char *name, const char *args, int flags)
6218 {
6219         char                    *arg, *cp, *ptr;
6220         struct spawn_prog       *sp;
6221
6222         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
6223
6224         if ((sp = calloc(1, sizeof *sp)) == NULL)
6225                 err(1, "spawn_insert: calloc");
6226         if ((sp->name = strdup(name)) == NULL)
6227                 err(1, "spawn_insert: strdup");
6228
6229         /* convert the arguments to an argument list */
6230         if ((ptr = cp = strdup(args)) == NULL)
6231                 err(1, "spawn_insert: strdup");
6232         while ((arg = strsep(&ptr, " \t")) != NULL) {
6233                 /* empty field; skip it */
6234                 if (*arg == '\0')
6235                         continue;
6236
6237                 sp->argc++;
6238                 if ((sp->argv = realloc(sp->argv, sp->argc *
6239                     sizeof *sp->argv)) == NULL)
6240                         err(1, "spawn_insert: realloc");
6241                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
6242                         err(1, "spawn_insert: strdup");
6243         }
6244         free(cp);
6245
6246         sp->flags = flags;
6247
6248         TAILQ_INSERT_TAIL(&spawns, sp, entry);
6249         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
6250 }
6251
6252 void
6253 spawn_remove(struct spawn_prog *sp)
6254 {
6255         int                     i;
6256
6257         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
6258
6259         TAILQ_REMOVE(&spawns, sp, entry);
6260         for (i = 0; i < sp->argc; i++)
6261                 free(sp->argv[i]);
6262         free(sp->argv);
6263         free(sp->name);
6264         free(sp);
6265
6266         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
6267 }
6268
6269 struct spawn_prog*
6270 spawn_find(const char *name)
6271 {
6272         struct spawn_prog       *sp;
6273
6274         TAILQ_FOREACH(sp, &spawns, entry)
6275                 if (strcasecmp(sp->name, name) == 0)
6276                         return sp;
6277
6278         return NULL;
6279 }
6280
6281 void
6282 setspawn(const char *name, const char *args, int flags)
6283 {
6284         struct spawn_prog       *sp;
6285
6286         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
6287
6288         if (name == NULL)
6289                 return;
6290
6291         /* Remove any old spawn under the same name. */
6292         if ((sp = spawn_find(name)) != NULL)
6293                 spawn_remove(sp);
6294
6295         if (*args != '\0')
6296                 spawn_insert(name, args, flags);
6297         else
6298                 warnx("error: setspawn: cannot find program: %s", name);
6299
6300         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
6301 }
6302
6303 int
6304 setconfspawn(char *selector, char *value, int flags)
6305 {
6306         char            *args;
6307
6308         args = expand_tilde(value);
6309
6310         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, args);
6311
6312         setspawn(selector, args, flags);
6313         free(args);
6314
6315         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done.\n");
6316         return (0);
6317 }
6318
6319 void
6320 validate_spawns(void)
6321 {
6322         struct spawn_prog       *sp;
6323         char                    which[PATH_MAX];
6324         size_t                  i;
6325
6326         struct key              *kp;
6327
6328         RB_FOREACH(kp, key_tree, &keys) {
6329                 if (kp->funcid != KF_SPAWN_CUSTOM)
6330                         continue;
6331
6332                 /* find program */
6333                 sp = spawn_find(kp->spawn_name);
6334                 if (sp == NULL || sp->flags & SWM_SPAWN_OPTIONAL)
6335                         continue;
6336
6337                 /* verify we have the goods */
6338                 snprintf(which, sizeof which, "which %s", sp->argv[0]);
6339                 DNPRINTF(SWM_D_CONF, "validate_spawns: which %s\n",
6340                     sp->argv[0]);
6341                 for (i = strlen("which "); i < strlen(which); i++)
6342                         if (which[i] == ' ') {
6343                                 which[i] = '\0';
6344                                 break;
6345                         }
6346                 if (system(which) != 0)
6347                         add_startup_exception("could not find %s",
6348                             &which[strlen("which ")]);
6349         }
6350 }
6351
6352 void
6353 setup_spawn(void)
6354 {
6355         setconfspawn("lock",            "xlock",                0);
6356
6357         setconfspawn("term",            "xterm",                0);
6358         setconfspawn("spawn_term",      "xterm",                0);
6359
6360         setconfspawn("menu",            "dmenu_run"
6361                                         " $dmenu_bottom"
6362                                         " -fn $bar_font"
6363                                         " -nb $bar_color"
6364                                         " -nf $bar_font_color"
6365                                         " -sb $bar_border"
6366                                         " -sf $bar_color",      0);
6367
6368         setconfspawn("search",          "dmenu"
6369                                         " $dmenu_bottom"
6370                                         " -i"
6371                                         " -fn $bar_font"
6372                                         " -nb $bar_color"
6373                                         " -nf $bar_font_color"
6374                                         " -sb $bar_border"
6375                                         " -sf $bar_color",      0);
6376
6377         setconfspawn("name_workspace",  "dmenu"
6378                                         " $dmenu_bottom"
6379                                         " -p Workspace"
6380                                         " -fn $bar_font"
6381                                         " -nb $bar_color"
6382                                         " -nf $bar_font_color"
6383                                         " -sb $bar_border"
6384                                         " -sf $bar_color",      0);
6385
6386          /* These are not verified for existence, even with a binding set. */
6387         setconfspawn("screenshot_all",  "screenshot.sh full",   SWM_SPAWN_OPTIONAL);
6388         setconfspawn("screenshot_wind", "screenshot.sh window", SWM_SPAWN_OPTIONAL);
6389         setconfspawn("initscr",         "initscreen.sh",        SWM_SPAWN_OPTIONAL);
6390 }
6391
6392 /* key bindings */
6393 #define SWM_MODNAME_SIZE        32
6394 #define SWM_KEY_WS              "\n+ \t"
6395 int
6396 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
6397 {
6398         char                    *cp, *name;
6399         KeySym                  uks;
6400         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
6401         if (mod == NULL || ks == NULL) {
6402                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
6403                 return (1);
6404         }
6405         if (keystr == NULL || strlen(keystr) == 0) {
6406                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
6407                 return (1);
6408         }
6409         cp = keystr;
6410         *ks = XCB_NO_SYMBOL;
6411         *mod = 0;
6412         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
6413                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
6414                 if (cp)
6415                         cp += (long)strspn(cp, SWM_KEY_WS);
6416                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
6417                         *mod |= currmod;
6418                 else if (strncasecmp(name, "Mod1", SWM_MODNAME_SIZE) == 0)
6419                         *mod |= XCB_MOD_MASK_1;
6420                 else if (strncasecmp(name, "Mod2", SWM_MODNAME_SIZE) == 0)
6421                         *mod += XCB_MOD_MASK_2;
6422                 else if (strncmp(name, "Mod3", SWM_MODNAME_SIZE) == 0)
6423                         *mod |= XCB_MOD_MASK_3;
6424                 else if (strncmp(name, "Mod4", SWM_MODNAME_SIZE) == 0)
6425                         *mod |= XCB_MOD_MASK_4;
6426                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
6427                         *mod |= XCB_MOD_MASK_SHIFT;
6428                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
6429                         *mod |= XCB_MOD_MASK_CONTROL;
6430                 else {
6431                         *ks = XStringToKeysym(name);
6432                         XConvertCase(*ks, ks, &uks);
6433                         if (ks == XCB_NO_SYMBOL) {
6434                                 DNPRINTF(SWM_D_KEY,
6435                                     "parsekeys: invalid key %s\n",
6436                                     name);
6437                                 return (1);
6438                         }
6439                 }
6440         }
6441         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
6442         return (0);
6443 }
6444
6445 char *
6446 strdupsafe(const char *str)
6447 {
6448         if (str == NULL)
6449                 return (NULL);
6450         else
6451                 return (strdup(str));
6452 }
6453
6454 void
6455 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid,
6456     const char *spawn_name)
6457 {
6458         struct key              *kp;
6459
6460         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
6461             keyfuncs[kfid].name, spawn_name);
6462
6463         if ((kp = malloc(sizeof *kp)) == NULL)
6464                 err(1, "key_insert: malloc");
6465
6466         kp->mod = mod;
6467         kp->keysym = ks;
6468         kp->funcid = kfid;
6469         kp->spawn_name = strdupsafe(spawn_name);
6470         RB_INSERT(key_tree, &keys, kp);
6471
6472         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
6473 }
6474
6475 struct key *
6476 key_lookup(unsigned int mod, KeySym ks)
6477 {
6478         struct key              kp;
6479
6480         kp.keysym = ks;
6481         kp.mod = mod;
6482
6483         return (RB_FIND(key_tree, &keys, &kp));
6484 }
6485
6486 void
6487 key_remove(struct key *kp)
6488 {
6489         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
6490
6491         RB_REMOVE(key_tree, &keys, kp);
6492         free(kp->spawn_name);
6493         free(kp);
6494
6495         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
6496 }
6497
6498 void
6499 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
6500     const char *spawn_name)
6501 {
6502         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
6503             spawn_name);
6504
6505         key_remove(kp);
6506         key_insert(mod, ks, kfid, spawn_name);
6507
6508         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
6509 }
6510
6511 void
6512 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
6513     const char *spawn_name)
6514 {
6515         struct key              *kp;
6516
6517         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
6518             keyfuncs[kfid].name, spawn_name);
6519
6520         if ((kp = key_lookup(mod, ks)) != NULL) {
6521                 if (kfid == KF_INVALID)
6522                         key_remove(kp);
6523                 else
6524                         key_replace(kp, mod, ks, kfid, spawn_name);
6525                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6526                 return;
6527         }
6528         if (kfid == KF_INVALID) {
6529                 warnx("bind: Key combination already unbound.");
6530                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6531                 return;
6532         }
6533
6534         key_insert(mod, ks, kfid, spawn_name);
6535         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6536 }
6537
6538 int
6539 setconfbinding(char *selector, char *value, int flags)
6540 {
6541         enum keyfuncid          kfid;
6542         unsigned int            mod;
6543         KeySym                  ks;
6544         struct spawn_prog       *sp;
6545
6546         /* suppress unused warning since var is needed */
6547         (void)flags;
6548
6549         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
6550         if (selector == NULL) {
6551                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
6552                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6553                         kfid = KF_INVALID;
6554                         setkeybinding(mod, ks, kfid, NULL);
6555                         return (0);
6556                 } else
6557                         return (1);
6558         }
6559         /* search by key function name */
6560         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
6561                 if (strncasecmp(selector, keyfuncs[kfid].name,
6562                     SWM_FUNCNAME_LEN) == 0) {
6563                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match "
6564                             "keyfunc\n", selector);
6565                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6566                                 setkeybinding(mod, ks, kfid, NULL);
6567                                 return (0);
6568                         } else
6569                                 return (1);
6570                 }
6571         }
6572         /* search by custom spawn name */
6573         if ((sp = spawn_find(selector)) != NULL) {
6574                 DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match "
6575                     "spawn\n", selector);
6576                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6577                         setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
6578                             sp->name);
6579                         return (0);
6580                 } else
6581                         return (1);
6582         }
6583         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
6584         return (1);
6585 }
6586
6587 void
6588 setup_keys(void)
6589 {
6590 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
6591         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
6592         setkeybinding(MODKEY_SHIFT,     XK_b,           KF_BAR_TOGGLE_WS,NULL);
6593         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
6594         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
6595         setkeybinding(MODKEY_SHIFT,     XK_backslash,   KF_FLIP_LAYOUT, NULL);
6596         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
6597         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
6598         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
6599         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
6600         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
6601         setkeybinding(MODKEY_SHIFT,     XK_Tab,         KF_FOCUS_PREV,  NULL);
6602         setkeybinding(MODKEY,           XK_u,           KF_FOCUS_URGENT,NULL);
6603         setkeybinding(MODKEY_SHIFT,     XK_equal,       KF_HEIGHT_GROW,NULL);
6604         setkeybinding(MODKEY_SHIFT,     XK_minus,       KF_HEIGHT_SHRINK,NULL);
6605         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
6606         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
6607         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
6608         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
6609         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
6610         setkeybinding(MODKEY_SHIFT,     XK_bracketright,KF_MOVE_DOWN,NULL);
6611         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
6612         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
6613         setkeybinding(MODKEY_SHIFT,     XK_bracketleft, KF_MOVE_UP,     NULL);
6614         setkeybinding(MODKEY_SHIFT,     XK_KP_End,      KF_MVRG_1,      NULL);
6615         setkeybinding(MODKEY_SHIFT,     XK_KP_Down,     KF_MVRG_2,      NULL);
6616         setkeybinding(MODKEY_SHIFT,     XK_KP_Next,     KF_MVRG_3,      NULL);
6617         setkeybinding(MODKEY_SHIFT,     XK_KP_Left,     KF_MVRG_4,      NULL);
6618         setkeybinding(MODKEY_SHIFT,     XK_KP_Begin,    KF_MVRG_5,      NULL);
6619         setkeybinding(MODKEY_SHIFT,     XK_KP_Right,    KF_MVRG_6,      NULL);
6620         setkeybinding(MODKEY_SHIFT,     XK_KP_Home,     KF_MVRG_7,      NULL);
6621         setkeybinding(MODKEY_SHIFT,     XK_KP_Up,       KF_MVRG_8,      NULL);
6622         setkeybinding(MODKEY_SHIFT,     XK_KP_Prior,    KF_MVRG_9,      NULL);
6623         setkeybinding(MODKEY_SHIFT,     XK_1,           KF_MVWS_1,      NULL);
6624         setkeybinding(MODKEY_SHIFT,     XK_2,           KF_MVWS_2,      NULL);
6625         setkeybinding(MODKEY_SHIFT,     XK_3,           KF_MVWS_3,      NULL);
6626         setkeybinding(MODKEY_SHIFT,     XK_4,           KF_MVWS_4,      NULL);
6627         setkeybinding(MODKEY_SHIFT,     XK_5,           KF_MVWS_5,      NULL);
6628         setkeybinding(MODKEY_SHIFT,     XK_6,           KF_MVWS_6,      NULL);
6629         setkeybinding(MODKEY_SHIFT,     XK_7,           KF_MVWS_7,      NULL);
6630         setkeybinding(MODKEY_SHIFT,     XK_8,           KF_MVWS_8,      NULL);
6631         setkeybinding(MODKEY_SHIFT,     XK_9,           KF_MVWS_9,      NULL);
6632         setkeybinding(MODKEY_SHIFT,     XK_0,           KF_MVWS_10,     NULL);
6633         setkeybinding(MODKEY_SHIFT,     XK_F1,          KF_MVWS_11,     NULL);
6634         setkeybinding(MODKEY_SHIFT,     XK_F2,          KF_MVWS_12,     NULL);
6635         setkeybinding(MODKEY_SHIFT,     XK_F3,          KF_MVWS_13,     NULL);
6636         setkeybinding(MODKEY_SHIFT,     XK_F4,          KF_MVWS_14,     NULL);
6637         setkeybinding(MODKEY_SHIFT,     XK_F5,          KF_MVWS_15,     NULL);
6638         setkeybinding(MODKEY_SHIFT,     XK_F6,          KF_MVWS_16,     NULL);
6639         setkeybinding(MODKEY_SHIFT,     XK_F7,          KF_MVWS_17,     NULL);
6640         setkeybinding(MODKEY_SHIFT,     XK_F8,          KF_MVWS_18,     NULL);
6641         setkeybinding(MODKEY_SHIFT,     XK_F9,          KF_MVWS_19,     NULL);
6642         setkeybinding(MODKEY_SHIFT,     XK_F10,         KF_MVWS_20,     NULL);
6643         setkeybinding(MODKEY_SHIFT,     XK_F11,         KF_MVWS_21,     NULL);
6644         setkeybinding(MODKEY_SHIFT,     XK_F12,         KF_MVWS_22,     NULL);
6645         setkeybinding(MODKEY_SHIFT,     XK_slash,       KF_NAME_WORKSPACE,NULL);
6646         setkeybinding(MODKEY_SHIFT,     XK_q,           KF_QUIT,        NULL);
6647         setkeybinding(MODKEY_SHIFT,     XK_r,           KF_RAISE_TOGGLE,NULL);
6648         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
6649         setkeybinding(MODKEY,           XK_KP_End,      KF_RG_1,        NULL);
6650         setkeybinding(MODKEY,           XK_KP_Down,     KF_RG_2,        NULL);
6651         setkeybinding(MODKEY,           XK_KP_Next,     KF_RG_3,        NULL);
6652         setkeybinding(MODKEY,           XK_KP_Left,     KF_RG_4,        NULL);
6653         setkeybinding(MODKEY,           XK_KP_Begin,    KF_RG_5,        NULL);
6654         setkeybinding(MODKEY,           XK_KP_Right,    KF_RG_6,        NULL);
6655         setkeybinding(MODKEY,           XK_KP_Home,     KF_RG_7,        NULL);
6656         setkeybinding(MODKEY,           XK_KP_Up,       KF_RG_8,        NULL);
6657         setkeybinding(MODKEY,           XK_KP_Prior,    KF_RG_9,        NULL);
6658         setkeybinding(MODKEY_SHIFT,     XK_Right,       KF_RG_NEXT,     NULL);
6659         setkeybinding(MODKEY_SHIFT,     XK_Left,        KF_RG_PREV,     NULL);
6660         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
6661         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
6662         setkeybinding(MODKEY_SHIFT,     XK_i,           KF_SPAWN_CUSTOM,"initscr");
6663         setkeybinding(MODKEY_SHIFT,     XK_Delete,      KF_SPAWN_CUSTOM,"lock");
6664         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
6665         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
6666         setkeybinding(MODKEY_SHIFT,     XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
6667         setkeybinding(MODKEY_SHIFT,     XK_Return,      KF_SPAWN_CUSTOM,"term");
6668         setkeybinding(MODKEY_SHIFT,     XK_comma,       KF_STACK_INC,   NULL);
6669         setkeybinding(MODKEY_SHIFT,     XK_period,      KF_STACK_DEC,   NULL);
6670         setkeybinding(MODKEY_SHIFT,     XK_space,       KF_STACK_RESET, NULL);
6671         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
6672         setkeybinding(MODKEY_SHIFT,     XK_j,           KF_SWAP_NEXT,   NULL);
6673         setkeybinding(MODKEY_SHIFT,     XK_k,           KF_SWAP_PREV,   NULL);
6674         setkeybinding(MODKEY_SHIFT,     XK_w,           KF_UNICONIFY,   NULL);
6675         setkeybinding(MODKEY_SHIFT,     XK_v,           KF_VERSION,     NULL);
6676         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
6677         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
6678         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
6679         setkeybinding(MODKEY_SHIFT,     XK_x,           KF_WIND_KILL,   NULL);
6680         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
6681         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
6682         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
6683         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
6684         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
6685         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
6686         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
6687         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
6688         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
6689         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
6690         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
6691         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
6692         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
6693         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
6694         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
6695         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
6696         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
6697         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
6698         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
6699         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
6700         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
6701         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
6702         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
6703         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
6704         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
6705         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
6706         setkeybinding(MODKEY_SHIFT,     XK_Up,          KF_WS_NEXT_MOVE,NULL);
6707         setkeybinding(MODKEY_SHIFT,     XK_Down,        KF_WS_PREV_MOVE,NULL);
6708         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
6709 #ifdef SWM_DEBUG
6710         setkeybinding(MODKEY_SHIFT,     XK_d,           KF_DUMPWINS,    NULL);
6711 #endif
6712 #undef MODKEY_SHIFT
6713 }
6714
6715 void
6716 clear_keys(void)
6717 {
6718         struct key              *kp;
6719
6720         while (RB_EMPTY(&keys) == 0) {
6721                 kp = RB_ROOT(&keys);
6722                 key_remove(kp);
6723         }
6724 }
6725
6726 int
6727 setkeymapping(char *selector, char *value, int flags)
6728 {
6729         char                    *keymapping_file;
6730
6731         /* suppress unused warnings since vars are needed */
6732         (void)selector;
6733         (void)flags;
6734
6735         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
6736
6737         keymapping_file = expand_tilde(value);
6738
6739         clear_keys();
6740         /* load new key bindings; if it fails, revert to default bindings */
6741         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
6742                 clear_keys();
6743                 setup_keys();
6744         }
6745
6746         free(keymapping_file);
6747
6748         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
6749         return (0);
6750 }
6751
6752 void
6753 updatenumlockmask(void)
6754 {
6755         unsigned int                            i, j;
6756         xcb_get_modifier_mapping_reply_t        *modmap_r;
6757         xcb_keycode_t                           *modmap, kc, *keycode;
6758
6759         numlockmask = 0;
6760
6761         modmap_r = xcb_get_modifier_mapping_reply(conn,
6762             xcb_get_modifier_mapping(conn),
6763             NULL);
6764         if (modmap_r) {
6765                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
6766                 for (i = 0; i < 8; i++) {
6767                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
6768                                 kc = modmap[i * modmap_r->keycodes_per_modifier
6769                                     + j];
6770                                 keycode = xcb_key_symbols_get_keycode(syms,
6771                                                 XK_Num_Lock);
6772                                 if (kc == *keycode)
6773                                         numlockmask = (1 << i);
6774                                 free(keycode);
6775                         }
6776                 }
6777                 free(modmap_r);
6778         }
6779         DNPRINTF(SWM_D_MISC, "updatenumlockmask: %d\n", numlockmask);
6780 }
6781
6782 void
6783 grabkeys(void)
6784 {
6785         struct key              *kp;
6786         int                     num_screens, k, j;
6787         unsigned int            modifiers[4];
6788         xcb_keycode_t           *code;
6789
6790         DNPRINTF(SWM_D_MISC, "grabkeys\n");
6791         updatenumlockmask();
6792
6793         modifiers[0] = 0;
6794         modifiers[1] = numlockmask;
6795         modifiers[2] = XCB_MOD_MASK_LOCK;
6796         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6797
6798         num_screens = get_screen_count();
6799         for (k = 0; k < num_screens; k++) {
6800                 if (TAILQ_EMPTY(&screens[k].rl))
6801                         continue;
6802                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
6803                         XCB_MOD_MASK_ANY);
6804                 RB_FOREACH(kp, key_tree, &keys) {
6805                         /* Skip unused ws binds. */
6806                         if ((int)kp->funcid > KF_WS_1 + workspace_limit - 1 &&
6807                             kp->funcid <= KF_WS_22)
6808                                 continue;
6809
6810                         /* Skip unused mvws binds. */
6811                         if ((int)kp->funcid > KF_MVWS_1 + workspace_limit - 1 &&
6812                             kp->funcid <= KF_MVWS_22)
6813                                 continue;
6814
6815                         if ((code = xcb_key_symbols_get_keycode(syms,
6816                                         kp->keysym))) {
6817                                 for (j = 0; j < LENGTH(modifiers); j++)
6818                                         xcb_grab_key(conn, 1,
6819                                             screens[k].root,
6820                                             kp->mod | modifiers[j],
6821                                             *code, XCB_GRAB_MODE_SYNC,
6822                                             XCB_GRAB_MODE_SYNC);
6823                                 free(code);
6824                         }
6825                 }
6826         }
6827 }
6828
6829 void
6830 grabbuttons(struct ws_win *win)
6831 {
6832         unsigned int    modifiers[4];
6833         int             i, j;
6834
6835         DNPRINTF(SWM_D_MOUSE, "grabbuttons: win 0x%x\n", win->id);
6836         updatenumlockmask();
6837
6838         modifiers[0] = 0;
6839         modifiers[1] = numlockmask;
6840         modifiers[2] = XCB_MOD_MASK_LOCK;
6841         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6842
6843         for (i = 0; i < LENGTH(buttons); i++)
6844                 if (buttons[i].action == client_click)
6845                         for (j = 0; j < LENGTH(modifiers); ++j)
6846                                 xcb_grab_button(conn, 0, win->id, BUTTONMASK,
6847                                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC,
6848                                     XCB_WINDOW_NONE, XCB_CURSOR_NONE,
6849                                     buttons[i].button, buttons[i].mask |
6850                                     modifiers[j]);
6851 }
6852
6853 const char *quirkname[] = {
6854         "NONE",         /* config string for "no value" */
6855         "FLOAT",
6856         "TRANSSZ",
6857         "ANYWHERE",
6858         "XTERM_FONTADJ",
6859         "FULLSCREEN",
6860         "FOCUSPREV",
6861         "NOFOCUSONMAP",
6862         "FOCUSONMAP_SINGLE",
6863 };
6864
6865 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
6866 #define SWM_Q_WS                "\n|+ \t"
6867 int
6868 parsequirks(char *qstr, unsigned long *quirk)
6869 {
6870         char                    *cp, *name;
6871         int                     i;
6872
6873         if (quirk == NULL)
6874                 return (1);
6875
6876         cp = qstr;
6877         *quirk = 0;
6878         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
6879                 if (cp)
6880                         cp += (long)strspn(cp, SWM_Q_WS);
6881                 for (i = 0; i < LENGTH(quirkname); i++) {
6882                         if (strncasecmp(name, quirkname[i],
6883                             SWM_QUIRK_LEN) == 0) {
6884                                 DNPRINTF(SWM_D_QUIRK,
6885                                     "parsequirks: %s\n", name);
6886                                 if (i == 0) {
6887                                         *quirk = 0;
6888                                         return (0);
6889                                 }
6890                                 *quirk |= 1 << (i-1);
6891                                 break;
6892                         }
6893                 }
6894                 if (i >= LENGTH(quirkname)) {
6895                         DNPRINTF(SWM_D_QUIRK,
6896                             "parsequirks: invalid quirk [%s]\n", name);
6897                         return (1);
6898                 }
6899         }
6900         return (0);
6901 }
6902
6903 void
6904 quirk_insert(const char *class, const char *name, unsigned long quirk)
6905 {
6906         struct quirk            *qp;
6907
6908         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
6909             quirk);
6910
6911         if ((qp = malloc(sizeof *qp)) == NULL)
6912                 err(1, "quirk_insert: malloc");
6913         if ((qp->class = strdup(class)) == NULL)
6914                 err(1, "quirk_insert: strdup");
6915         if ((qp->name = strdup(name)) == NULL)
6916                 err(1, "quirk_insert: strdup");
6917
6918         qp->quirk = quirk;
6919         TAILQ_INSERT_TAIL(&quirks, qp, entry);
6920
6921         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
6922 }
6923
6924 void
6925 quirk_remove(struct quirk *qp)
6926 {
6927         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
6928             qp->name, qp->quirk);
6929
6930         TAILQ_REMOVE(&quirks, qp, entry);
6931         free(qp->class);
6932         free(qp->name);
6933         free(qp);
6934
6935         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
6936 }
6937
6938 void
6939 quirk_replace(struct quirk *qp, const char *class, const char *name,
6940     unsigned long quirk)
6941 {
6942         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
6943             qp->name, qp->quirk);
6944
6945         quirk_remove(qp);
6946         quirk_insert(class, name, quirk);
6947
6948         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
6949 }
6950
6951 void
6952 setquirk(const char *class, const char *name, unsigned long quirk)
6953 {
6954         struct quirk            *qp;
6955
6956         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
6957            quirk);
6958
6959         /* Remove/replace existing quirk. */
6960         TAILQ_FOREACH(qp, &quirks, entry) {
6961                 if (strcmp(qp->class, class) == 0 &&
6962                     strcmp(qp->name, name) == 0) {
6963                         if (quirk == 0)
6964                                 quirk_remove(qp);
6965                         else
6966                                 quirk_replace(qp, class, name, quirk);
6967                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6968                         return;
6969                 }
6970         }
6971
6972         /* Only insert if quirk is not NONE. */
6973         if (quirk)
6974                 quirk_insert(class, name, quirk);
6975
6976         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6977 }
6978
6979 int
6980 setconfquirk(char *selector, char *value, int flags)
6981 {
6982         char                    *cp, *class, *name;
6983         int                     retval;
6984         unsigned long           qrks;
6985
6986         /* suppress unused warning since var is needed */
6987         (void)flags;
6988
6989         if (selector == NULL)
6990                 return (0);
6991         if ((cp = strchr(selector, ':')) == NULL)
6992                 return (0);
6993         *cp = '\0';
6994         class = selector;
6995         name = cp + 1;
6996         if ((retval = parsequirks(value, &qrks)) == 0)
6997                 setquirk(class, name, qrks);
6998         return (retval);
6999 }
7000
7001 void
7002 setup_quirks(void)
7003 {
7004         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
7005         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
7006         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
7007         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
7008         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7009         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
7010         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7011         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7012         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7013         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7014         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
7015         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
7016         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
7017 }
7018
7019 /* conf file stuff */
7020 #define SWM_CONF_FILE           "spectrwm.conf"
7021 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
7022
7023 enum {
7024         SWM_S_BAR_ACTION,
7025         SWM_S_BAR_AT_BOTTOM,
7026         SWM_S_BAR_BORDER_WIDTH,
7027         SWM_S_BAR_DELAY,
7028         SWM_S_BAR_ENABLED,
7029         SWM_S_BAR_ENABLED_WS,
7030         SWM_S_BAR_FONT,
7031         SWM_S_BAR_FORMAT,
7032         SWM_S_BAR_JUSTIFY,
7033         SWM_S_BORDER_WIDTH,
7034         SWM_S_BOUNDARY_WIDTH,
7035         SWM_S_CLOCK_ENABLED,
7036         SWM_S_CLOCK_FORMAT,
7037         SWM_S_CYCLE_EMPTY,
7038         SWM_S_CYCLE_VISIBLE,
7039         SWM_S_DIALOG_RATIO,
7040         SWM_S_DISABLE_BORDER,
7041         SWM_S_FOCUS_CLOSE,
7042         SWM_S_FOCUS_CLOSE_WRAP,
7043         SWM_S_FOCUS_DEFAULT,
7044         SWM_S_FOCUS_MODE,
7045         SWM_S_REGION_PADDING,
7046         SWM_S_SPAWN_ORDER,
7047         SWM_S_SPAWN_TERM,
7048         SWM_S_SS_APP,
7049         SWM_S_SS_ENABLED,
7050         SWM_S_STACK_ENABLED,
7051         SWM_S_TERM_WIDTH,
7052         SWM_S_TILE_GAP,
7053         SWM_S_TITLE_CLASS_ENABLED,
7054         SWM_S_TITLE_NAME_ENABLED,
7055         SWM_S_URGENT_ENABLED,
7056         SWM_S_VERBOSE_LAYOUT,
7057         SWM_S_WINDOW_NAME_ENABLED,
7058         SWM_S_WORKSPACE_LIMIT
7059 };
7060
7061 int
7062 setconfvalue(char *selector, char *value, int flags)
7063 {
7064         struct workspace        *ws;
7065         int                     i, ws_id, num_screens;
7066         char                    *b;
7067
7068         /* suppress unused warning since var is needed */
7069         (void)selector;
7070
7071         switch (flags) {
7072         case SWM_S_BAR_ACTION:
7073                 free(bar_argv[0]);
7074                 if ((bar_argv[0] = expand_tilde(value)) == NULL)
7075                         err(1, "setconfvalue: bar_action");
7076                 break;
7077         case SWM_S_BAR_AT_BOTTOM:
7078                 bar_at_bottom = atoi(value);
7079                 break;
7080         case SWM_S_BAR_BORDER_WIDTH:
7081                 bar_border_width = atoi(value);
7082                 if (bar_border_width < 0)
7083                         bar_border_width = 0;
7084                 break;
7085         case SWM_S_BAR_DELAY:
7086                 /* No longer needed; leave to not break old conf files. */
7087                 break;
7088         case SWM_S_BAR_ENABLED:
7089                 bar_enabled = atoi(value);
7090                 break;
7091         case SWM_S_BAR_ENABLED_WS:
7092                 ws_id = atoi(selector) - 1;
7093                 if (ws_id < 0 || ws_id >= workspace_limit)
7094                         errx(1, "setconfvalue: bar_enabled_ws: invalid "
7095                             "workspace %d.", ws_id + 1);
7096
7097                 num_screens = get_screen_count();
7098                 for (i = 0; i < num_screens; i++) {
7099                         ws = (struct workspace *)&screens[i].ws;
7100                         ws[ws_id].bar_enabled = atoi(value);
7101                 }
7102                 break;
7103         case SWM_S_BAR_FONT:
7104                 b = bar_fonts;
7105                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
7106                         err(1, "setconfvalue: asprintf: failed to allocate "
7107                                 "memory for bar_fonts.");
7108                 free(b);
7109
7110                 /* If already in xft mode, then we are done. */
7111                 if (!bar_font_legacy)
7112                         break;
7113
7114                 /* If there are any non-XLFD entries, switch to Xft mode. */
7115                 while ((b = strsep(&value, ",")) != NULL) {
7116                         if (*b == '\0')
7117                                 continue;
7118                         if (!isxlfd(b)) {
7119                                 bar_font_legacy = 0;
7120                                 break;
7121                         }
7122                 }
7123                 break;
7124         case SWM_S_BAR_FORMAT:
7125                 free(bar_format);
7126                 if ((bar_format = strdup(value)) == NULL)
7127                         err(1, "setconfvalue: bar_format");
7128                 break;
7129         case SWM_S_BAR_JUSTIFY:
7130                 if (strcmp(value, "left") == 0)
7131                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
7132                 else if (strcmp(value, "center") == 0)
7133                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
7134                 else if (strcmp(value, "right") == 0)
7135                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
7136                 else
7137                         errx(1, "invalid bar_justify");
7138                 break;
7139         case SWM_S_BORDER_WIDTH:
7140                 border_width = atoi(value);
7141                 if (border_width < 0)
7142                         border_width = 0;
7143                 break;
7144         case SWM_S_BOUNDARY_WIDTH:
7145                 boundary_width = atoi(value);
7146                 if (boundary_width < 0)
7147                         boundary_width = 0;
7148                 break;
7149         case SWM_S_CLOCK_ENABLED:
7150                 clock_enabled = atoi(value);
7151                 break;
7152         case SWM_S_CLOCK_FORMAT:
7153 #ifndef SWM_DENY_CLOCK_FORMAT
7154                 free(clock_format);
7155                 if ((clock_format = strdup(value)) == NULL)
7156                         err(1, "setconfvalue: clock_format");
7157 #endif
7158                 break;
7159         case SWM_S_CYCLE_EMPTY:
7160                 cycle_empty = atoi(value);
7161                 break;
7162         case SWM_S_CYCLE_VISIBLE:
7163                 cycle_visible = atoi(value);
7164                 break;
7165         case SWM_S_DIALOG_RATIO:
7166                 dialog_ratio = atof(value);
7167                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
7168                         dialog_ratio = .6;
7169                 break;
7170         case SWM_S_DISABLE_BORDER:
7171                 disable_border = atoi(value);
7172                 break;
7173         case SWM_S_FOCUS_CLOSE:
7174                 if (strcmp(value, "first") == 0)
7175                         focus_close = SWM_STACK_BOTTOM;
7176                 else if (strcmp(value, "last") == 0)
7177                         focus_close = SWM_STACK_TOP;
7178                 else if (strcmp(value, "next") == 0)
7179                         focus_close = SWM_STACK_ABOVE;
7180                 else if (strcmp(value, "previous") == 0)
7181                         focus_close = SWM_STACK_BELOW;
7182                 else
7183                         errx(1, "focus_close");
7184                 break;
7185         case SWM_S_FOCUS_CLOSE_WRAP:
7186                 focus_close_wrap = atoi(value);
7187                 break;
7188         case SWM_S_FOCUS_DEFAULT:
7189                 if (strcmp(value, "last") == 0)
7190                         focus_default = SWM_STACK_TOP;
7191                 else if (strcmp(value, "first") == 0)
7192                         focus_default = SWM_STACK_BOTTOM;
7193                 else
7194                         errx(1, "focus_default");
7195                 break;
7196         case SWM_S_FOCUS_MODE:
7197                 if (strcmp(value, "default") == 0)
7198                         focus_mode = SWM_FOCUS_DEFAULT;
7199                 else if (strcmp(value, "follow") == 0 ||
7200                     strcmp(value, "follow_cursor") == 0)
7201                         focus_mode = SWM_FOCUS_FOLLOW;
7202                 else if (strcmp(value, "manual") == 0)
7203                         focus_mode = SWM_FOCUS_MANUAL;
7204                 else
7205                         errx(1, "focus_mode");
7206                 break;
7207         case SWM_S_REGION_PADDING:
7208                 region_padding = atoi(value);
7209                 if (region_padding < 0)
7210                         region_padding = 0;
7211                 break;
7212         case SWM_S_SPAWN_ORDER:
7213                 if (strcmp(value, "first") == 0)
7214                         spawn_position = SWM_STACK_BOTTOM;
7215                 else if (strcmp(value, "last") == 0)
7216                         spawn_position = SWM_STACK_TOP;
7217                 else if (strcmp(value, "next") == 0)
7218                         spawn_position = SWM_STACK_ABOVE;
7219                 else if (strcmp(value, "previous") == 0)
7220                         spawn_position = SWM_STACK_BELOW;
7221                 else
7222                         errx(1, "spawn_position");
7223                 break;
7224         case SWM_S_SPAWN_TERM:
7225                 setconfspawn("term", value, 0);
7226                 setconfspawn("spawn_term", value, 0);
7227                 break;
7228         case SWM_S_SS_APP:
7229                 /* No longer needed; leave to not break old conf files. */
7230                 break;
7231         case SWM_S_SS_ENABLED:
7232                 /* No longer needed; leave to not break old conf files. */
7233                 break;
7234         case SWM_S_STACK_ENABLED:
7235                 stack_enabled = atoi(value);
7236                 break;
7237         case SWM_S_TERM_WIDTH:
7238                 term_width = atoi(value);
7239                 if (term_width < 0)
7240                         term_width = 0;
7241                 break;
7242         case SWM_S_TILE_GAP:
7243                 tile_gap = atoi(value);
7244                 break;
7245         case SWM_S_TITLE_CLASS_ENABLED:
7246                 title_class_enabled = atoi(value);
7247                 break;
7248         case SWM_S_TITLE_NAME_ENABLED:
7249                 title_name_enabled = atoi(value);
7250                 break;
7251         case SWM_S_URGENT_ENABLED:
7252                 urgent_enabled = atoi(value);
7253                 break;
7254         case SWM_S_VERBOSE_LAYOUT:
7255                 verbose_layout = atoi(value);
7256                 for (i = 0; layouts[i].l_stack != NULL; i++) {
7257                         if (verbose_layout)
7258                                 layouts[i].l_string = fancy_stacker;
7259                         else
7260                                 layouts[i].l_string = plain_stacker;
7261                 }
7262                 break;
7263         case SWM_S_WINDOW_NAME_ENABLED:
7264                 window_name_enabled = atoi(value);
7265                 break;
7266         case SWM_S_WORKSPACE_LIMIT:
7267                 workspace_limit = atoi(value);
7268                 if (workspace_limit > SWM_WS_MAX)
7269                         workspace_limit = SWM_WS_MAX;
7270                 else if (workspace_limit < 1)
7271                         workspace_limit = 1;
7272                 break;
7273         default:
7274                 return (1);
7275         }
7276         return (0);
7277 }
7278
7279 int
7280 setconfmodkey(char *selector, char *value, int flags)
7281 {
7282         /* suppress unused warnings since vars are needed */
7283         (void)selector;
7284         (void)flags;
7285
7286         if (strncasecmp(value, "Mod1", strlen("Mod1")) == 0)
7287                 update_modkey(XCB_MOD_MASK_1);
7288         else if (strncasecmp(value, "Mod2", strlen("Mod2")) == 0)
7289                 update_modkey(XCB_MOD_MASK_2);
7290         else if (strncasecmp(value, "Mod3", strlen("Mod3")) == 0)
7291                 update_modkey(XCB_MOD_MASK_3);
7292         else if (strncasecmp(value, "Mod4", strlen("Mod4")) == 0)
7293                 update_modkey(XCB_MOD_MASK_4);
7294         else
7295                 return (1);
7296         return (0);
7297 }
7298
7299 int
7300 setconfcolor(char *selector, char *value, int flags)
7301 {
7302         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
7303         return (0);
7304 }
7305
7306 int
7307 setconfregion(char *selector, char *value, int flags)
7308 {
7309         /* suppress unused warnings since vars are needed */
7310         (void)selector;
7311         (void)flags;
7312
7313         custom_region(value);
7314         return (0);
7315 }
7316
7317 int
7318 setautorun(char *selector, char *value, int flags)
7319 {
7320         int                     ws_id;
7321         char                    s[1024];
7322         char                    *ap, *sp;
7323         union arg               a;
7324         int                     argc = 0;
7325         pid_t                   pid;
7326         struct pid_e            *p;
7327
7328         /* suppress unused warnings since vars are needed */
7329         (void)selector;
7330         (void)flags;
7331
7332         if (getenv("SWM_STARTED"))
7333                 return (0);
7334
7335         bzero(s, sizeof s);
7336         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
7337                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
7338         ws_id--;
7339         if (ws_id < 0 || ws_id >= workspace_limit)
7340                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
7341
7342         sp = expand_tilde((char *)&s);
7343
7344         /*
7345          * This is a little intricate
7346          *
7347          * If the pid already exists we simply reuse it because it means it was
7348          * used before AND not claimed by manage_window.  We get away with
7349          * altering it in the parent after INSERT because this can not be a race
7350          */
7351         a.argv = NULL;
7352         while ((ap = strsep(&sp, " \t")) != NULL) {
7353                 if (*ap == '\0')
7354                         continue;
7355                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
7356                 argc++;
7357                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
7358                         err(1, "setautorun: realloc");
7359                 a.argv[argc - 1] = ap;
7360         }
7361         free(sp);
7362
7363         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
7364                 err(1, "setautorun: realloc");
7365         a.argv[argc] = NULL;
7366
7367         if ((pid = fork()) == 0) {
7368                 spawn(ws_id, &a, 1);
7369                 /* NOTREACHED */
7370                 _exit(1);
7371         }
7372         free(a.argv);
7373
7374         /* parent */
7375         p = find_pid(pid);
7376         if (p == NULL) {
7377                 p = calloc(1, sizeof *p);
7378                 if (p == NULL)
7379                         return (1);
7380                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
7381         }
7382
7383         p->pid = pid;
7384         p->ws = ws_id;
7385
7386         return (0);
7387 }
7388
7389 int
7390 setlayout(char *selector, char *value, int flags)
7391 {
7392         int                     ws_id, i, x, mg, ma, si, ar, f = 0;
7393         int                     st = SWM_V_STACK, num_screens;
7394         char                    s[1024];
7395         struct workspace        *ws;
7396
7397         /* suppress unused warnings since vars are needed */
7398         (void)selector;
7399         (void)flags;
7400
7401         if (getenv("SWM_STARTED"))
7402                 return (0);
7403
7404         bzero(s, sizeof s);
7405         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
7406             &ws_id, &mg, &ma, &si, &ar, s) != 6)
7407                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
7408                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
7409                     "<type>'");
7410         ws_id--;
7411         if (ws_id < 0 || ws_id >= workspace_limit)
7412                 errx(1, "layout: invalid workspace %d", ws_id + 1);
7413
7414         if (strcasecmp(s, "vertical") == 0)
7415                 st = SWM_V_STACK;
7416         else if (strcasecmp(s, "vertical_flip") == 0) {
7417                 st = SWM_V_STACK;
7418                 f = 1;
7419         } else if (strcasecmp(s, "horizontal") == 0)
7420                 st = SWM_H_STACK;
7421         else if (strcasecmp(s, "horizontal_flip") == 0) {
7422                 st = SWM_H_STACK;
7423                 f = 1;
7424         } else if (strcasecmp(s, "fullscreen") == 0)
7425                 st = SWM_MAX_STACK;
7426         else
7427                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
7428                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
7429                     "<type>'");
7430
7431         num_screens = get_screen_count();
7432         for (i = 0; i < num_screens; i++) {
7433                 ws = (struct workspace *)&screens[i].ws;
7434                 ws[ws_id].cur_layout = &layouts[st];
7435
7436                 ws[ws_id].always_raise = ar;
7437                 if (st == SWM_MAX_STACK)
7438                         continue;
7439
7440                 /* master grow */
7441                 for (x = 0; x < abs(mg); x++) {
7442                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7443                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
7444                             SWM_ARG_ID_MASTERSHRINK);
7445                         stack();
7446                 }
7447                 /* master add */
7448                 for (x = 0; x < abs(ma); x++) {
7449                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7450                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
7451                             SWM_ARG_ID_MASTERDEL);
7452                         stack();
7453                 }
7454                 /* stack inc */
7455                 for (x = 0; x < abs(si); x++) {
7456                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7457                             si >= 0 ?  SWM_ARG_ID_STACKINC :
7458                             SWM_ARG_ID_STACKDEC);
7459                         stack();
7460                 }
7461                 /* Apply flip */
7462                 if (f) {
7463                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7464                             SWM_ARG_ID_FLIPLAYOUT);
7465                         stack();
7466                 }
7467         }
7468
7469         focus_flush();
7470
7471         return (0);
7472 }
7473
7474 /* config options */
7475 struct config_option {
7476         char                    *optname;
7477         int                     (*func)(char*, char*, int);
7478         int                     funcflags;
7479 };
7480 struct config_option configopt[] = {
7481         { "autorun",                    setautorun,     0 },
7482         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
7483         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
7484         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
7485         { "bar_border_unfocus",         setconfcolor,   SWM_S_COLOR_BAR_BORDER_UNFOCUS },
7486         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
7487         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
7488         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
7489         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
7490         { "bar_enabled_ws",             setconfvalue,   SWM_S_BAR_ENABLED_WS },
7491         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
7492         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
7493         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
7494         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
7495         { "bind",                       setconfbinding, 0 },
7496         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
7497         { "boundary_width",             setconfvalue,   SWM_S_BOUNDARY_WIDTH },
7498         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
7499         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
7500         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
7501         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
7502         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
7503         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
7504         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
7505         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
7506         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
7507         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
7508         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
7509         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
7510         { "keyboard_mapping",           setkeymapping,  0 },
7511         { "layout",                     setlayout,      0 },
7512         { "modkey",                     setconfmodkey,  0 },
7513         { "program",                    setconfspawn,   0 },
7514         { "quirk",                      setconfquirk,   0 },
7515         { "region",                     setconfregion,  0 },
7516         { "region_padding",             setconfvalue,   SWM_S_REGION_PADDING },
7517         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
7518         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
7519         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
7520         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
7521         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
7522         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
7523         { "tile_gap",                   setconfvalue,   SWM_S_TILE_GAP },
7524         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
7525         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
7526         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
7527         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
7528         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
7529         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
7530 };
7531
7532 void
7533 _add_startup_exception(const char *fmt, va_list ap)
7534 {
7535         if (vasprintf(&startup_exception, fmt, ap) == -1)
7536                 warn("%s: asprintf", __func__);
7537 }
7538
7539 void
7540 add_startup_exception(const char *fmt, ...)
7541 {
7542         va_list ap;
7543
7544         nr_exceptions++;
7545
7546         if (startup_exception)
7547                 return;
7548
7549         /* force bar to be enabled due to exception */
7550         bar_enabled = 1;
7551
7552         va_start(ap, fmt);
7553         _add_startup_exception(fmt, ap);
7554         va_end(ap);
7555 }
7556
7557 int
7558 conf_load(const char *filename, int keymapping)
7559 {
7560         FILE                    *config;
7561         char                    *line = NULL, *cp, *optsub, *optval = NULL;
7562         size_t                  linelen, lineno = 0;
7563         int                     wordlen, i, optidx;
7564         struct config_option    *opt = NULL;
7565
7566         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
7567
7568         if (filename == NULL) {
7569                 warnx("conf_load: no filename");
7570                 return (1);
7571         }
7572
7573         DNPRINTF(SWM_D_CONF, "conf_load: open %s\n", filename);
7574
7575         if ((config = fopen(filename, "r")) == NULL) {
7576                 warn("conf_load: fopen: %s", filename);
7577                 return (1);
7578         }
7579
7580         while (!feof(config)) {
7581                 if (line)
7582                         free(line);
7583
7584                 if ((line = fparseln(config, &linelen, &lineno, NULL,
7585                     FPARSELN_UNESCCOMM | FPARSELN_UNESCCONT)) == NULL) {
7586                         if (ferror(config))
7587                                 err(1, "%s", filename);
7588                         else
7589                                 continue;
7590                 }
7591                 cp = line;
7592                 cp += strspn(cp, " \t\n"); /* eat whitespace */
7593                 if (cp[0] == '\0') {
7594                         /* empty line */
7595                         continue;
7596                 }
7597                 /* get config option */
7598                 wordlen = strcspn(cp, "=[ \t\n");
7599                 if (wordlen == 0) {
7600                         add_startup_exception("%s: line %zd: no option found",
7601                             filename, lineno);
7602                         continue;
7603                 }
7604                 optidx = -1;
7605                 for (i = 0; i < LENGTH(configopt); i++) {
7606                         opt = &configopt[i];
7607                         if (strncasecmp(cp, opt->optname, wordlen) == 0 &&
7608                             (int)strlen(opt->optname) == wordlen) {
7609                                 optidx = i;
7610                                 break;
7611                         }
7612                 }
7613                 if (optidx == -1) {
7614                         add_startup_exception("%s: line %zd: unknown option "
7615                             "%.*s", filename, lineno, wordlen, cp);
7616                         continue;
7617                 }
7618                 if (keymapping && opt && strcmp(opt->optname, "bind")) {
7619                         add_startup_exception("%s: line %zd: invalid option "
7620                             "%.*s", filename, lineno, wordlen, cp);
7621                         continue;
7622                 }
7623                 cp += wordlen;
7624                 cp += strspn(cp, " \t\n"); /* eat whitespace */
7625
7626                 /* from here on out we call goto invalid to continue */
7627
7628                 /* get [selector] if any */
7629                 optsub = NULL;
7630                 if (*cp == '[') {
7631                         cp++;
7632                         wordlen = strcspn(cp, "]");
7633                         if (*cp != ']') {
7634                                 if (wordlen == 0) {
7635                                         add_startup_exception("%s: line %zd: "
7636                                             "syntax error", filename, lineno);
7637                                         goto invalid;
7638                                 }
7639
7640                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
7641                                     -1) {
7642                                         add_startup_exception("%s: line %zd: "
7643                                             "unable to allocatememory for "
7644                                             "selector", filename, lineno);
7645                                         goto invalid;
7646                                 }
7647                         }
7648                         cp += wordlen;
7649                         cp += strspn(cp, "] \t\n"); /* eat trailing */
7650                 }
7651                 cp += strspn(cp, "= \t\n"); /* eat trailing */
7652                 /* get RHS value */
7653                 optval = strdup(cp);
7654                 if (strlen(optval) == 0) {
7655                         add_startup_exception("%s: line %zd: must supply value "
7656                             "to %s", filename, lineno,
7657                             configopt[optidx].optname);
7658                         goto invalid;
7659                 }
7660                 /* call function to deal with it all */
7661                 if (configopt[optidx].func(optsub, optval,
7662                     configopt[optidx].funcflags) != 0) {
7663                         add_startup_exception("%s: line %zd: invalid data for "
7664                             "%s", filename, lineno, configopt[optidx].optname);
7665                         goto invalid;
7666                 }
7667 invalid:
7668                 if (optval) {
7669                         free(optval);
7670                         optval = NULL;
7671                 }
7672                 if (optsub) {
7673                         free(optsub);
7674                         optsub = NULL;
7675                 }
7676         }
7677
7678         if (line)
7679                 free(line);
7680         fclose(config);
7681         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
7682
7683         return (0);
7684 }
7685
7686 void
7687 set_child_transient(struct ws_win *win, xcb_window_t *trans)
7688 {
7689         struct ws_win           *parent, *w;
7690         struct swm_region       *r;
7691         struct workspace        *ws;
7692         xcb_icccm_wm_hints_t    wmh;
7693
7694         parent = find_window(win->transient);
7695         if (parent)
7696                 parent->focus_child = win;
7697         else {
7698                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
7699                     " for 0x%x trans 0x%x\n", win->id, win->transient);
7700
7701                 r = root_to_region(win->wa->root, SWM_CK_ALL);
7702                 ws = r->ws;
7703                 /* parent doen't exist in our window list */
7704                 TAILQ_FOREACH(w, &ws->winlist, entry) {
7705                         if (xcb_icccm_get_wm_hints_reply(conn,
7706                             xcb_icccm_get_wm_hints(conn, w->id),
7707                             &wmh, NULL) != 1) {
7708                                 warnx("can't get hints for 0x%x", w->id);
7709                                 continue;
7710                         }
7711
7712                         if (win->hints.window_group != wmh.window_group)
7713                                 continue;
7714
7715                         w->focus_child = win;
7716                         win->transient = w->id;
7717                         *trans = w->id;
7718                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
7719                             "transient to 0x%x\n", win->transient);
7720                         break;
7721                 }
7722         }
7723 }
7724
7725 pid_t
7726 window_get_pid(xcb_window_t win)
7727 {
7728         pid_t                           ret = 0;
7729         const char                      *errstr;
7730         xcb_atom_t                      apid;
7731         xcb_get_property_cookie_t       pc;
7732         xcb_get_property_reply_t        *pr;
7733
7734         apid = get_atom_from_string("_NET_WM_PID");
7735         if (apid == XCB_ATOM_NONE)
7736                 goto tryharder;
7737
7738         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
7739         pr = xcb_get_property_reply(conn, pc, NULL);
7740         if (pr == NULL)
7741                 goto tryharder;
7742         if (pr->type != XCB_ATOM_CARDINAL) {
7743                 free(pr);
7744                 goto tryharder;
7745         }
7746
7747         if (pr->type == apid && pr->format == 32)
7748                 ret = *((pid_t *)xcb_get_property_value(pr));
7749         free(pr);
7750
7751         return (ret);
7752
7753 tryharder:
7754         apid = get_atom_from_string("_SWM_PID");
7755         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
7756             0, SWM_PROPLEN);
7757         pr = xcb_get_property_reply(conn, pc, NULL);
7758         if (pr == NULL)
7759                 return (0);
7760         if (pr->type != apid) {
7761                 free(pr);
7762                 return (0);
7763         }
7764
7765         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
7766         free(pr);
7767
7768         return (ret);
7769 }
7770
7771 int
7772 get_ws_idx(xcb_window_t id)
7773 {
7774         int                     ws_idx = -1;
7775         char                    *prop = NULL;
7776         size_t                  proplen;
7777         const char              *errstr;
7778         xcb_get_property_reply_t        *gpr;
7779
7780         gpr = xcb_get_property_reply(conn,
7781                 xcb_get_property(conn, 0, id, a_swm_ws,
7782                     XCB_ATOM_STRING, 0, SWM_PROPLEN),
7783                 NULL);
7784         if (gpr == NULL)
7785                 return (-1);
7786         if (gpr->type) {
7787                 proplen = xcb_get_property_value_length(gpr);
7788                 if (proplen > 0) {
7789                         prop = malloc(proplen + 1);
7790                         if (prop) {
7791                                 memcpy(prop,
7792                                     xcb_get_property_value(gpr),
7793                                     proplen);
7794                                 prop[proplen] = '\0';
7795                         }
7796                 }
7797         }
7798         free(gpr);
7799
7800         if (prop) {
7801                 DNPRINTF(SWM_D_PROP, "get_ws_idx: _SWM_WS: %s\n", prop);
7802                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1, &errstr);
7803                 if (errstr) {
7804                         DNPRINTF(SWM_D_PROP, "get_ws_idx: window: #%s: %s",
7805                             errstr, prop);
7806                 }
7807                 free(prop);
7808         }
7809
7810         return ws_idx;
7811 }
7812
7813 struct ws_win *
7814 manage_window(xcb_window_t id, uint16_t mapped)
7815 {
7816         xcb_window_t            trans = XCB_WINDOW_NONE;
7817         struct ws_win           *win, *ww;
7818         int                     ws_idx;
7819         char                    ws_idx_str[SWM_PROPLEN];
7820         struct swm_region       *r;
7821         struct pid_e            *p;
7822         struct quirk            *qp;
7823         uint32_t                i, wa[2];
7824         xcb_icccm_get_wm_protocols_reply_t      wpr;
7825
7826         if ((win = find_window(id)) != NULL) {
7827                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x already "
7828                     "managed; skipping.)\n", id);
7829                 return (win);   /* Already managed. */
7830         }
7831
7832         /* See if window is on the unmanaged list. */
7833         if ((win = find_unmanaged_window(id)) != NULL) {
7834                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x found on "
7835                     "unmanaged list.\n", id);
7836                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
7837
7838                 if (win->transient)
7839                         set_child_transient(win, &trans);
7840
7841                 goto out;
7842         } else {
7843                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x is new.\n", id);
7844         }
7845
7846         /* Create and initialize ws_win object. */
7847         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
7848                 err(1, "manage_window: calloc: failed to allocate memory for "
7849                     "new window");
7850
7851         win->id = id;
7852
7853         /* Get window geometry. */
7854         win->wa = xcb_get_geometry_reply(conn,
7855             xcb_get_geometry(conn, win->id),
7856             NULL);
7857
7858         /* Figure out which region the window belongs to. */
7859         r = root_to_region(win->wa->root, SWM_CK_ALL);
7860
7861         /* Ignore window border if there is one. */
7862         WIDTH(win) = win->wa->width;
7863         HEIGHT(win) = win->wa->height;
7864         X(win) = win->wa->x + win->wa->border_width - border_width;
7865         Y(win) = win->wa->y + win->wa->border_width - border_width;
7866         win->bordered = 1;
7867         win->mapped = mapped;
7868         win->floatmaxed = 0;
7869         win->ewmh_flags = 0;
7870         win->s = r->s;  /* this never changes */
7871
7872         /* Get WM_SIZE_HINTS. */
7873         xcb_icccm_get_wm_normal_hints_reply(conn,
7874             xcb_icccm_get_wm_normal_hints(conn, win->id),
7875             &win->sh, NULL);
7876
7877         /* Get WM_HINTS. */
7878         xcb_icccm_get_wm_hints_reply(conn,
7879             xcb_icccm_get_wm_hints(conn, win->id),
7880             &win->hints, NULL);
7881
7882         /* Get WM_TRANSIENT_FOR; see if window is a transient. */
7883         xcb_icccm_get_wm_transient_for_reply(conn,
7884             xcb_icccm_get_wm_transient_for(conn, win->id),
7885             &trans, NULL);
7886         if (trans) {
7887                 win->transient = trans;
7888                 set_child_transient(win, &win->transient);
7889         }
7890
7891         /* Get supported protocols. */
7892         if (xcb_icccm_get_wm_protocols_reply(conn,
7893             xcb_icccm_get_wm_protocols(conn, win->id, a_prot),
7894             &wpr, NULL)) {
7895                 for (i = 0; i < wpr.atoms_len; i++) {
7896                         if (wpr.atoms[i] == a_takefocus)
7897                                 win->take_focus = 1;
7898                         if (wpr.atoms[i] == a_delete)
7899                                 win->can_delete = 1;
7900                 }
7901                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
7902         }
7903
7904         win->iconic = get_swm_iconic(win);
7905
7906         /* Figure out which workspace the window belongs to. */
7907         if ((p = find_pid(window_get_pid(win->id))) != NULL) {
7908                 win->ws = &r->s->ws[p->ws];
7909                 TAILQ_REMOVE(&pidlist, p, entry);
7910                 free(p);
7911                 p = NULL;
7912         } else if ((ws_idx = get_ws_idx(win->id)) != -1 &&
7913             !win->transient) {
7914                 /* _SWM_WS is set; use that. */
7915                 win->ws = &r->s->ws[ws_idx];
7916         } else if (trans && (ww = find_window(trans)) != NULL) {
7917                 /* Launch transients in the same ws as parent. */
7918                 win->ws = ww->ws;
7919         } else {
7920                 win->ws = r->ws;
7921         }
7922
7923         /* Set the _SWM_WS atom so we can remember this after reincarnation. */
7924         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", win->ws->idx) <
7925             SWM_PROPLEN) {
7926                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
7927                     ws_idx_str);
7928                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
7929                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
7930                     ws_idx_str);
7931         }
7932
7933         /* WS must already be set for this to work. */
7934         store_float_geom(win);
7935
7936         /* Handle EWMH */
7937         ewmh_autoquirk(win);
7938
7939         /* Determine initial quirks. */
7940         if (xcb_icccm_get_wm_class_reply(conn,
7941             xcb_icccm_get_wm_class(conn, win->id),
7942             &win->ch, NULL)) {
7943                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
7944                     win->ch.class_name, win->ch.instance_name);
7945
7946                 /* java is retarded so treat it special */
7947                 if (strstr(win->ch.instance_name, "sun-awt")) {
7948                         DNPRINTF(SWM_D_CLASS, "manage_window: java window "
7949                             "detected.\n");
7950                         win->java = 1;
7951                 }
7952
7953                 TAILQ_FOREACH(qp, &quirks, entry) {
7954                         if (strcmp(win->ch.class_name, qp->class) == 0 &&
7955                             strcmp(win->ch.instance_name, qp->name) == 0) {
7956                                 DNPRINTF(SWM_D_CLASS, "manage_window: on quirks"
7957                                     "list; mask: 0x%lx\n", qp->quirk);
7958                                 if (qp->quirk & SWM_Q_FLOAT)
7959                                         win->floating = 1;
7960                                 win->quirks = qp->quirk;
7961                         }
7962                 }
7963         }
7964
7965         /* Alter window position if quirky */
7966         if (win->quirks & SWM_Q_ANYWHERE)
7967                 win->manual = 1;
7968
7969         /* Reset font sizes (the bruteforce way; no default keybinding). */
7970         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
7971                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7972                         fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
7973                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7974                         fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
7975         }
7976
7977         /* Make sure window is positioned inside its region, if its active. */
7978         if (win->ws->r) {
7979                 region_containment(win, r, SWM_CW_ALLSIDES |
7980                     SWM_CW_HARDBOUNDARY);
7981                 update_window(win);
7982         }
7983
7984         /* Select which X events to monitor and set border pixel color. */
7985         wa[0] = win->s->c[SWM_S_COLOR_UNFOCUS].pixel;
7986         wa[1] = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_PROPERTY_CHANGE |
7987             XCB_EVENT_MASK_STRUCTURE_NOTIFY;
7988 #ifdef SWM_DEBUG
7989         wa[1] |= XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE;
7990 #endif
7991
7992         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL |
7993             XCB_CW_EVENT_MASK, wa);
7994
7995 out:
7996         /* Figure out where to stack the window in the workspace. */
7997         if (trans && (ww = find_window(trans)))
7998                 TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
7999         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
8000                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
8001                     entry);
8002         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
8003                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
8004         else switch (spawn_position) {
8005         default:
8006         case SWM_STACK_TOP:
8007         case SWM_STACK_ABOVE:
8008                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
8009                 break;
8010         case SWM_STACK_BOTTOM:
8011         case SWM_STACK_BELOW:
8012                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
8013         }
8014
8015         /* Get initial _NET_WM_STATE */
8016         ewmh_get_win_state(win);
8017         /* Set initial _NET_WM_ALLOWED_ACTIONS */
8018         ewmh_update_actions(win);
8019
8020         grabbuttons(win);
8021
8022         DNPRINTF(SWM_D_MISC, "manage_window: done. window: 0x%x, (x,y) w x h: "
8023             "(%d,%d) %d x %d, ws: %d, iconic: %s, transient: 0x%x\n", win->id,
8024             X(win), Y(win), WIDTH(win), HEIGHT(win), win->ws->idx,
8025             YESNO(win->iconic), win->transient);
8026
8027         return (win);
8028 }
8029
8030 void
8031 free_window(struct ws_win *win)
8032 {
8033         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
8034
8035         if (win == NULL)
8036                 return;
8037
8038         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
8039
8040         if (win->wa)
8041                 free(win->wa);
8042
8043         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
8044
8045         kill_refs(win);
8046
8047         /* paint memory */
8048         memset(win, 0xff, sizeof *win); /* XXX kill later */
8049
8050         free(win);
8051         DNPRINTF(SWM_D_MISC, "free_window: done.\n");
8052 }
8053
8054 void
8055 unmanage_window(struct ws_win *win)
8056 {
8057         struct ws_win           *parent;
8058
8059         if (win == NULL)
8060                 return;
8061
8062         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
8063
8064         if (win->transient) {
8065                 parent = find_window(win->transient);
8066                 if (parent)
8067                         parent->focus_child = NULL;
8068         }
8069
8070         TAILQ_REMOVE(&win->ws->winlist, win, entry);
8071         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
8072 }
8073
8074 void
8075 expose(xcb_expose_event_t *e)
8076 {
8077         int                     i, num_screens;
8078         struct swm_region       *r;
8079
8080         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
8081
8082         num_screens = get_screen_count();
8083         for (i = 0; i < num_screens; i++)
8084                 TAILQ_FOREACH(r, &screens[i].rl, entry)
8085                         if (e->window == WINID(r->bar))
8086                                 bar_draw();
8087
8088         xcb_flush(conn);
8089 }
8090
8091 #ifdef SWM_DEBUG
8092 void
8093 focusin(xcb_focus_in_event_t *e)
8094 {
8095         DNPRINTF(SWM_D_EVENT, "focusin: window: 0x%x, mode: %s(%u), "
8096             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
8097             e->mode, get_notify_detail_label(e->detail), e->detail);
8098 }
8099
8100 void
8101 focusout(xcb_focus_out_event_t *e)
8102 {
8103         DNPRINTF(SWM_D_EVENT, "focusout: window: 0x%x, mode: %s(%u), "
8104             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
8105             e->mode, get_notify_detail_label(e->detail), e->detail);
8106 }
8107 #endif
8108
8109 void
8110 keypress(xcb_key_press_event_t *e)
8111 {
8112         xcb_keysym_t            keysym;
8113         struct key              *kp;
8114
8115         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
8116
8117         DNPRINTF(SWM_D_EVENT, "keypress: keysym: %u, win (x,y): 0x%x (%d,%d), "
8118             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
8119             "state: %u, same_screen: %s\n", keysym, e->event, e->event_x,
8120             e->event_y, e->detail, e->time, e->root, e->root_x, e->root_y,
8121             e->child, e->state, YESNO(e->same_screen));
8122
8123         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
8124                 goto out;
8125
8126         last_event_time = e->time;
8127
8128         if (kp->funcid == KF_SPAWN_CUSTOM)
8129                 spawn_custom(root_to_region(e->root, SWM_CK_ALL),
8130                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
8131         else if (keyfuncs[kp->funcid].func)
8132                 keyfuncs[kp->funcid].func(root_to_region(e->root, SWM_CK_ALL),
8133                     &(keyfuncs[kp->funcid].args));
8134
8135 out:
8136         /* Unfreeze grab events. */
8137         xcb_allow_events(conn, XCB_ALLOW_ASYNC_KEYBOARD, e->time);
8138         xcb_flush(conn);
8139
8140         DNPRINTF(SWM_D_EVENT, "keypress: done.\n");
8141 }
8142
8143 void
8144 buttonpress(xcb_button_press_event_t *e)
8145 {
8146         struct ws_win           *win = NULL;
8147         struct swm_region       *r, *old_r;
8148         int                     i;
8149         int                     handled = 0;
8150
8151         DNPRINTF(SWM_D_EVENT, "buttonpress: win (x,y): 0x%x (%d,%d), "
8152             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
8153             "state: %u, same_screen: %s\n", e->event, e->event_x, e->event_y,
8154             e->detail, e->time, e->root, e->root_x, e->root_y, e->child,
8155             e->state, YESNO(e->same_screen));
8156
8157         if (e->event == e->root) {
8158                 if (e->child != 0) {
8159                         win = find_window(e->child);
8160                         /* Pass ButtonPress to window if it isn't managed. */
8161                         if (win == NULL)
8162                                 goto out;
8163                 } else {
8164                         /* Focus on empty region */
8165                         /* If no windows on region if its empty. */
8166                         r = root_to_region(e->root, SWM_CK_POINTER);
8167                         if (r == NULL) {
8168                                 DNPRINTF(SWM_D_EVENT, "buttonpress: "
8169                                     "NULL region; ignoring.\n");
8170                                 goto out;
8171                         }
8172
8173                         if (TAILQ_EMPTY(&r->ws->winlist)) {
8174                                 old_r = root_to_region(e->root, SWM_CK_FOCUS);
8175                                 if (old_r && old_r != r)
8176                                         unfocus_win(old_r->ws->focus);
8177
8178                                 xcb_set_input_focus(conn,
8179                                     XCB_INPUT_FOCUS_PARENT, e->root, e->time);
8180
8181                                 /* Clear bar since empty. */
8182                                 bar_draw();
8183
8184                                 handled = 1;
8185                                 goto out;
8186                         }
8187                 }
8188         } else {
8189                 win = find_window(e->event);
8190         }
8191
8192         if (win == NULL)
8193                 goto out;
8194
8195         last_event_time = e->time;
8196
8197         focus_win(get_focus_magic(win));
8198
8199         for (i = 0; i < LENGTH(buttons); i++)
8200                 if (client_click == buttons[i].action && buttons[i].func &&
8201                     buttons[i].button == e->detail &&
8202                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state)) {
8203                         buttons[i].func(win, &buttons[i].args);
8204                         handled = 1;
8205                 }
8206
8207 out:
8208         if (!handled) {
8209                 DNPRINTF(SWM_D_EVENT, "buttonpress: passing to window.\n");
8210                 /* Replay event to event window */
8211                 xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, e->time);
8212         } else {
8213                 DNPRINTF(SWM_D_EVENT, "buttonpress: handled.\n");
8214                 /* Unfreeze grab events. */
8215                 xcb_allow_events(conn, XCB_ALLOW_SYNC_POINTER, e->time);
8216         }
8217
8218         xcb_flush(conn);
8219 }
8220
8221 #ifdef SWM_DEBUG
8222 void
8223 print_win_geom(xcb_window_t w)
8224 {
8225         xcb_get_geometry_reply_t        *wa;
8226
8227         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
8228         if (wa == NULL) {
8229                 DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: 0x%x\n",
8230                     w);
8231                 return;
8232         }
8233
8234         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
8235             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
8236             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
8237             wa->border_width);
8238
8239         free(wa);
8240 }
8241 #endif
8242
8243 #ifdef SWM_DEBUG
8244 char *
8245 get_stack_mode_name(uint8_t mode)
8246 {
8247         char    *name;
8248
8249         switch(mode) {
8250         case XCB_STACK_MODE_ABOVE:
8251                 name = "Above";
8252                 break;
8253         case XCB_STACK_MODE_BELOW:
8254                 name = "Below";
8255                 break;
8256         case XCB_STACK_MODE_TOP_IF:
8257                 name = "TopIf";
8258                 break;
8259         case XCB_STACK_MODE_BOTTOM_IF:
8260                 name = "BottomIf";
8261                 break;
8262         case XCB_STACK_MODE_OPPOSITE:
8263                 name = "Opposite";
8264                 break;
8265         default:
8266                 name = "Unknown";
8267         }
8268
8269         return name;
8270 }
8271 #endif
8272
8273 void
8274 configurerequest(xcb_configure_request_event_t *e)
8275 {
8276         struct ws_win           *win;
8277         struct swm_region       *r = NULL;
8278         int                     new = 0, i = 0;
8279         uint16_t                mask = 0;
8280         uint32_t                wc[7] = {0};
8281
8282         if ((win = find_window(e->window)) == NULL)
8283                 if ((win = find_unmanaged_window(e->window)) == NULL)
8284                         new = 1;
8285
8286 #ifdef SWM_DEBUG
8287         if (swm_debug & SWM_D_EVENT) {
8288                 print_win_geom(e->window);
8289
8290                 DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%x, "
8291                     "parent: 0x%x, new: %s, value_mask: %u { ", e->window,
8292                     e->parent, YESNO(new), e->value_mask);
8293                 if (e->value_mask & XCB_CONFIG_WINDOW_X)
8294                         DPRINTF("X: %d ", e->x);
8295                 if (e->value_mask & XCB_CONFIG_WINDOW_Y)
8296                         DPRINTF("Y: %d ", e->y);
8297                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
8298                         DPRINTF("W: %u ", e->width);
8299                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
8300                         DPRINTF("H: %u ", e->height);
8301                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
8302                         DPRINTF("Border: %u ", e->border_width);
8303                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING)
8304                         DPRINTF("Sibling: 0x%x ", e->sibling);
8305                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE)
8306                         DPRINTF("StackMode: %s(%u) ",
8307                             get_stack_mode_name(e->stack_mode), e->stack_mode);
8308                 DPRINTF("}\n");
8309         }
8310 #endif
8311
8312         if (new) {
8313                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
8314                         mask |= XCB_CONFIG_WINDOW_X;
8315                         wc[i++] = e->x;
8316                 }
8317                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
8318                         mask |= XCB_CONFIG_WINDOW_Y;
8319                         wc[i++] = e->y;
8320                 }
8321                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
8322                         mask |= XCB_CONFIG_WINDOW_WIDTH;
8323                         wc[i++] = e->width;
8324                 }
8325                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
8326                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
8327                         wc[i++] = e->height;
8328                 }
8329                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
8330                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
8331                         wc[i++] = e->border_width;
8332                 }
8333                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
8334                         mask |= XCB_CONFIG_WINDOW_SIBLING;
8335                         wc[i++] = e->sibling;
8336                 }
8337                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
8338                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
8339                         wc[i++] = e->stack_mode;
8340                 }
8341
8342                 if (mask != 0) {
8343                         xcb_configure_window(conn, e->window, mask, wc);
8344                         xcb_flush(conn);
8345                 }
8346         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
8347             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
8348                 if (win->ws->r)
8349                         r = win->ws->r;
8350                 else if (win->ws->old_r)
8351                         r = win->ws->old_r;
8352
8353                 /* windows are centered unless ANYWHERE quirk is set. */
8354                 if (win->quirks & SWM_Q_ANYWHERE) {
8355                         if (e->value_mask & XCB_CONFIG_WINDOW_X) {
8356                                 win->g_float.x = e->x;
8357                                 if (r)
8358                                         win->g_float.x -= X(r);
8359                         }
8360
8361                         if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
8362                                 win->g_float.y = e->y;
8363                                 if (r)
8364                                         win->g_float.y -= Y(r);
8365                         }
8366                 }
8367
8368                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
8369                         win->g_float.w = e->width;
8370
8371                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
8372                         win->g_float.h = e->height;
8373
8374                 win->g_floatvalid = 1;
8375
8376                 if (win->floating && r && (win->transient ||
8377                     win->ws->cur_layout != &layouts[SWM_MAX_STACK])) {
8378                         WIDTH(win) = win->g_float.w;
8379                         HEIGHT(win) = win->g_float.h;
8380
8381                         if (r) {
8382                                 stack_floater(win, r);
8383                                 focus_flush();
8384                         }
8385                 } else {
8386                         config_win(win, e);
8387                         xcb_flush(conn);
8388                 }
8389         } else {
8390                 config_win(win, e);
8391                 xcb_flush(conn);
8392         }
8393
8394         DNPRINTF(SWM_D_EVENT, "configurerequest: done.\n");
8395 }
8396
8397 void
8398 configurenotify(xcb_configure_notify_event_t *e)
8399 {
8400         struct ws_win           *win;
8401
8402         DNPRINTF(SWM_D_EVENT, "configurenotify: win 0x%x, event win: 0x%x, "
8403             "(x,y) WxH: (%d,%d) %ux%u, border: %u, above_sibling: 0x%x, "
8404             "override_redirect: %s\n", e->window, e->event, e->x, e->y,
8405             e->width, e->height, e->border_width, e->above_sibling,
8406             YESNO(e->override_redirect));
8407
8408         win = find_window(e->window);
8409         if (win) {
8410                 xcb_icccm_get_wm_normal_hints_reply(conn,
8411                     xcb_icccm_get_wm_normal_hints(conn, win->id),
8412                     &win->sh, NULL);
8413                 adjust_font(win);
8414                 if (font_adjusted) {
8415                         stack();
8416                         xcb_flush(conn);
8417                 }
8418         }
8419 }
8420
8421 void
8422 destroynotify(xcb_destroy_notify_event_t *e)
8423 {
8424         struct ws_win           *win;
8425
8426         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
8427
8428         if ((win = find_window(e->window)) == NULL) {
8429                 if ((win = find_unmanaged_window(e->window)) == NULL)
8430                         return;
8431                 free_window(win);
8432                 return;
8433         }
8434
8435         if (focus_mode != SWM_FOCUS_FOLLOW) {
8436                 /* If we were focused, make sure we focus on something else. */
8437                 if (win == win->ws->focus)
8438                         win->ws->focus_pending = get_focus_prev(win);
8439         }
8440
8441         unmanage_window(win);
8442         stack();
8443
8444         if (focus_mode != SWM_FOCUS_FOLLOW && WS_FOCUSED(win->ws)) {
8445                 if (win->ws->focus_pending) {
8446                         focus_win(win->ws->focus_pending);
8447                         win->ws->focus_pending = NULL;
8448                 } else if (win == win->ws->focus) {
8449                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
8450                             win->ws->r->id, XCB_CURRENT_TIME);
8451                 }
8452         }
8453
8454         free_window(win);
8455
8456         focus_flush();
8457 }
8458
8459 #ifdef SWM_DEBUG
8460 char *
8461 get_notify_detail_label(uint8_t detail)
8462 {
8463         char *label;
8464
8465         switch (detail) {
8466         case XCB_NOTIFY_DETAIL_ANCESTOR:
8467                 label = "Ancestor";
8468                 break;
8469         case XCB_NOTIFY_DETAIL_VIRTUAL:
8470                 label = "Virtual";
8471                 break;
8472         case XCB_NOTIFY_DETAIL_INFERIOR:
8473                 label = "Inferior";
8474                 break;
8475         case XCB_NOTIFY_DETAIL_NONLINEAR:
8476                 label = "Nonlinear";
8477                 break;
8478         case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
8479                 label = "NonlinearVirtual";
8480                 break;
8481         case XCB_NOTIFY_DETAIL_POINTER:
8482                 label = "Pointer";
8483                 break;
8484         case XCB_NOTIFY_DETAIL_POINTER_ROOT:
8485                 label = "PointerRoot";
8486                 break;
8487         case XCB_NOTIFY_DETAIL_NONE:
8488                 label = "None";
8489                 break;
8490         default:
8491                 label = "Unknown";
8492         }
8493
8494         return label;
8495 }
8496
8497 char *
8498 get_notify_mode_label(uint8_t mode)
8499 {
8500         char *label;
8501
8502         switch (mode) {
8503         case XCB_NOTIFY_MODE_NORMAL:
8504                 label = "Normal";
8505                 break;
8506         case XCB_NOTIFY_MODE_GRAB:
8507                 label = "Grab";
8508                 break;
8509         case XCB_NOTIFY_MODE_UNGRAB:
8510                 label = "Ungrab";
8511                 break;
8512         case XCB_NOTIFY_MODE_WHILE_GRABBED:
8513                 label = "WhileGrabbed";
8514                 break;
8515         default:
8516                 label = "Unknown";
8517         }
8518
8519         return label;
8520 }
8521 #endif
8522
8523 void
8524 enternotify(xcb_enter_notify_event_t *e)
8525 {
8526         struct ws_win           *win;
8527         struct swm_region       *r;
8528
8529         DNPRINTF(SWM_D_FOCUS, "enternotify: time: %u, win (x,y): 0x%x "
8530             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8531             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8532             e->time, e->event, e->event_x, e->event_y,
8533             get_notify_mode_label(e->mode), e->mode,
8534             get_notify_detail_label(e->detail), e->detail,
8535             e->root, e->root_x, e->root_y, e->child,
8536             YESNO(e->same_screen_focus), e->state);
8537
8538         if (focus_mode == SWM_FOCUS_MANUAL &&
8539             e->mode == XCB_NOTIFY_MODE_NORMAL) {
8540                 DNPRINTF(SWM_D_EVENT, "enternotify: manual focus; ignoring.\n");
8541                 return;
8542         }
8543
8544         last_event_time = e->time;
8545
8546         if ((win = find_window(e->event)) == NULL) {
8547                 if (e->event == e->root) {
8548                         /* If no windows on pointer region, then focus root. */
8549                         r = root_to_region(e->root, SWM_CK_POINTER);
8550                         if (r == NULL) {
8551                                 DNPRINTF(SWM_D_EVENT, "enternotify: "
8552                                     "NULL region; ignoring.\n");
8553                                 return;
8554                         }
8555
8556                         focus_region(r);
8557                 } else {
8558                         DNPRINTF(SWM_D_EVENT, "enternotify: window is NULL; "
8559                             "ignoring\n");
8560                         return;
8561                 }
8562         } else {
8563                 focus_win(get_focus_magic(win));
8564         }
8565
8566         xcb_flush(conn);
8567 }
8568
8569 #ifdef SWM_DEBUG
8570 void
8571 leavenotify(xcb_leave_notify_event_t *e)
8572 {
8573         DNPRINTF(SWM_D_FOCUS, "leavenotify: time: %u, win (x,y): 0x%x "
8574             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8575             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8576             e->time, e->event, e->event_x, e->event_y,
8577             get_notify_mode_label(e->mode), e->mode,
8578             get_notify_detail_label(e->detail), e->detail,
8579             e->root, e->root_x, e->root_y, e->child,
8580             YESNO(e->same_screen_focus), e->state);
8581 }
8582 #endif
8583
8584 void
8585 mapnotify(xcb_map_notify_event_t *e)
8586 {
8587         struct ws_win           *win;
8588
8589         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
8590
8591         if ((win = find_window(e->window)) == NULL)
8592                 win = manage_window(e->window, 1);
8593
8594         win->mapped = 1;
8595         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
8596
8597         if (focus_mode != SWM_FOCUS_FOLLOW && WS_FOCUSED(win->ws)) {
8598                 if (win->ws->focus_pending == win) {
8599                         focus_win(win);
8600                         win->ws->focus_pending = NULL;
8601                         focus_flush();
8602                 }
8603         }
8604
8605         xcb_flush(conn);
8606 }
8607
8608 void
8609 mappingnotify(xcb_mapping_notify_event_t *e)
8610 {
8611         xcb_refresh_keyboard_mapping(syms, e);
8612
8613         if (e->request == XCB_MAPPING_KEYBOARD)
8614                 grabkeys();
8615 }
8616
8617 void
8618 maprequest(xcb_map_request_event_t *e)
8619 {
8620         struct ws_win           *win, *w = NULL;
8621         xcb_get_window_attributes_reply_t *war;
8622
8623         DNPRINTF(SWM_D_EVENT, "maprequest: win 0x%x\n",
8624             e->window);
8625
8626         war = xcb_get_window_attributes_reply(conn,
8627             xcb_get_window_attributes(conn, e->window),
8628             NULL);
8629         if (war == NULL) {
8630                 DNPRINTF(SWM_D_EVENT, "maprequest: window lost.\n");
8631                 goto out;
8632         }
8633
8634         if (war->override_redirect) {
8635                 DNPRINTF(SWM_D_EVENT, "maprequest: override_redirect; "
8636                     "skipping.\n");
8637                 goto out;
8638         }
8639
8640         win = manage_window(e->window,
8641             (war->map_state == XCB_MAP_STATE_VIEWABLE));
8642
8643         /* The new window should get focus; prepare. */
8644         if (focus_mode != SWM_FOCUS_FOLLOW &&
8645             !(win->quirks & SWM_Q_NOFOCUSONMAP)) {
8646                 if (win->quirks & SWM_Q_FOCUSONMAP_SINGLE) {
8647                         /* See if other wins of same type are already mapped. */
8648                         TAILQ_FOREACH(w, &win->ws->winlist, entry) {
8649                                 if (w == win || !w->mapped)
8650                                         continue;
8651
8652                                 if (w->ch.class_name &&
8653                                     win->ch.class_name &&
8654                                     strcmp(w->ch.class_name,
8655                                     win->ch.class_name) == 0 &&
8656                                     w->ch.instance_name &&
8657                                     win->ch.instance_name &&
8658                                     strcmp(w->ch.instance_name,
8659                                     win->ch.instance_name) == 0)
8660                                         break;
8661                         }
8662                 }
8663
8664                 if (w == NULL)
8665                         win->ws->focus_pending = get_focus_magic(win);
8666         }
8667
8668         /* All windows need to be mapped if they are in the current workspace.*/
8669         if (win->ws->r)
8670                 stack();
8671
8672         /* Ignore EnterNotify to handle the mapnotify without interference. */
8673         if (focus_mode == SWM_FOCUS_DEFAULT)
8674                 event_drain(XCB_ENTER_NOTIFY);
8675 out:
8676         free(war);
8677         DNPRINTF(SWM_D_EVENT, "maprequest: done.\n");
8678 }
8679
8680 void
8681 motionnotify(xcb_motion_notify_event_t *e)
8682 {
8683         struct swm_region       *r;
8684         int                     i, num_screens;
8685
8686         DNPRINTF(SWM_D_FOCUS, "motionnotify: time: %u, win (x,y): 0x%x "
8687             "(%d,%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8688             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8689             e->time, e->event, e->event_x, e->event_y,
8690             get_notify_detail_label(e->detail), e->detail,
8691             e->root, e->root_x, e->root_y, e->child,
8692             YESNO(e->same_screen), e->state);
8693
8694         last_event_time = e->time;
8695
8696         if (focus_mode == SWM_FOCUS_MANUAL)
8697                 return;
8698
8699         num_screens = get_screen_count();
8700         for (i = 0; i < num_screens; i++)
8701                 if (screens[i].root == e->root)
8702                         break;
8703
8704         TAILQ_FOREACH(r, &screens[i].rl, entry)
8705                 if (X(r) <= e->root_x && e->root_x < MAX_X(r) &&
8706                     Y(r) <= e->root_y && e->root_y < MAX_Y(r))
8707                         break;
8708
8709         focus_region(r);
8710 }
8711
8712 #ifdef SWM_DEBUG
8713 char *
8714 get_atom_name(xcb_atom_t atom)
8715 {
8716         char                            *name = NULL;
8717 #if 0
8718         /*
8719          * This should be disabled during most debugging since
8720          * xcb_get_* causes an xcb_flush.
8721          */
8722         size_t                          len;
8723         xcb_get_atom_name_reply_t       *r;
8724
8725         r = xcb_get_atom_name_reply(conn,
8726             xcb_get_atom_name(conn, atom),
8727             NULL);
8728         if (r) {
8729                 len = xcb_get_atom_name_name_length(r);
8730                 if (len > 0) {
8731                         name = malloc(len + 1);
8732                         if (name) {
8733                                 memcpy(name, xcb_get_atom_name_name(r), len);
8734                                 name[len] = '\0';
8735                         }
8736                 }
8737                 free(r);
8738         }
8739 #else
8740         (void)atom;
8741 #endif
8742         return (name);
8743 }
8744 #endif
8745
8746 void
8747 propertynotify(xcb_property_notify_event_t *e)
8748 {
8749         struct ws_win           *win;
8750         struct workspace        *ws;
8751 #ifdef SWM_DEBUG
8752         char                    *name;
8753
8754         name = get_atom_name(e->atom);
8755         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u), "
8756             "time: %#x, state: %u\n", e->window, name, e->atom, e->time,
8757             e->state);
8758         free(name);
8759 #endif
8760         win = find_window(e->window);
8761         if (win == NULL)
8762                 return;
8763
8764         ws = win->ws;
8765
8766         last_event_time = e->time;
8767
8768         if (e->atom == a_swm_iconic) {
8769                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8770                         if (focus_mode != SWM_FOCUS_FOLLOW)
8771                                 ws->focus_pending = get_focus_prev(win);
8772
8773                         unfocus_win(win);
8774                         unmap_window(win);
8775
8776                         if (ws->r) {
8777                                 stack();
8778
8779                                 if (focus_mode != SWM_FOCUS_FOLLOW &&
8780                                     WS_FOCUSED(ws)) {
8781                                         if (ws->focus_pending) {
8782                                                 focus_win(ws->focus_pending);
8783                                                 ws->focus_pending = NULL;
8784                                         } else {
8785                                                 xcb_set_input_focus(conn,
8786                                                     XCB_INPUT_FOCUS_PARENT,
8787                                                     ws->r->id,
8788                                                     XCB_CURRENT_TIME);
8789                                         }
8790                                 }
8791
8792                                 focus_flush();
8793                         }
8794                 } else if (e->state == XCB_PROPERTY_DELETE) {
8795                         /* The window is no longer iconic, restack ws. */
8796                         if (focus_mode != SWM_FOCUS_FOLLOW)
8797                                 ws->focus_pending = get_focus_magic(win);
8798
8799                         stack();
8800
8801                         /* Flush EnterNotify for mapnotify, if needed. */
8802                         focus_flush();
8803                 }
8804         } else if (e->atom == a_state) {
8805                 /* State just changed, make sure it gets focused if mapped. */
8806                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8807                         if (focus_mode != SWM_FOCUS_FOLLOW && WS_FOCUSED(ws)) {
8808                                 if (win->mapped &&
8809                                     ws->focus_pending == win) {
8810                                         focus_win(ws->focus_pending);
8811                                         ws->focus_pending = NULL;
8812                                 }
8813                         }
8814                 }
8815         } else if (e->atom == XCB_ATOM_WM_CLASS ||
8816             e->atom == XCB_ATOM_WM_NAME) {
8817                 bar_draw();
8818         }
8819
8820         xcb_flush(conn);
8821 }
8822
8823 void
8824 unmapnotify(xcb_unmap_notify_event_t *e)
8825 {
8826         struct ws_win           *win;
8827         struct workspace        *ws;
8828
8829         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
8830
8831         /* If we aren't managing the window, then ignore. */
8832         win = find_window(e->window);
8833         if (win == NULL || win->id != e->window)
8834                 return;
8835
8836         ws = win->ws;
8837
8838         if (getstate(e->window) != XCB_ICCCM_WM_STATE_ICONIC)
8839                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8840
8841         if (win->mapped) {
8842                 /* window unmapped itself */
8843                 /* do unmap/unfocus/restack and unmanage */
8844                 win->mapped = 0;
8845
8846                 /* If win was focused, make sure to focus on something else. */
8847                 if (win == ws->focus) {
8848                         if (focus_mode != SWM_FOCUS_FOLLOW) {
8849                                 ws->focus_pending = get_focus_prev(win);
8850                                 DNPRINTF(SWM_D_EVENT, "unmapnotify: "
8851                                     "focus_pending: 0x%x\n",
8852                                     WINID(ws->focus_pending));
8853                         }
8854
8855                         unfocus_win(win);
8856                 }
8857
8858                 unmanage_window(win);
8859
8860                 if (ws->r)
8861                         stack();
8862
8863                 if (WS_FOCUSED(ws)) {
8864                         if (focus_mode == SWM_FOCUS_FOLLOW) {
8865                                 focus_win(get_pointer_win(ws->r->s->root));
8866                         } else if (ws->focus_pending) {
8867                                 focus_win(ws->focus_pending);
8868                                 ws->focus_pending = NULL;
8869                         } else if (ws->focus == NULL) {
8870                                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
8871                                     ws->r->id, XCB_CURRENT_TIME);
8872                         }
8873                 }
8874         }
8875
8876         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL)
8877                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8878
8879         focus_flush();
8880 }
8881
8882 #if 0
8883 void
8884 visibilitynotify(xcb_visibility_notify_event_t *e)
8885 {
8886         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
8887             e->window);
8888 }
8889 #endif
8890
8891 void
8892 clientmessage(xcb_client_message_event_t *e)
8893 {
8894         struct ws_win *win;
8895         xcb_map_request_event_t mre;
8896 #ifdef SWM_DEBUG
8897         char                    *name;
8898
8899         name = get_atom_name(e->type);
8900         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
8901             e->window, name, e->type);
8902         free(name);
8903 #endif
8904         win = find_window(e->window);
8905
8906         if (win == NULL) {
8907                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8908                         /* Manage the window with maprequest. */
8909                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
8910                             "unmanaged window.\n");
8911                         mre.window = e->window;
8912                         maprequest(&mre);
8913                 }
8914                 return;
8915         }
8916
8917         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8918                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
8919                 if (WS_FOCUSED(win->ws))
8920                         focus_win(win);
8921                 else
8922                         win->ws->focus_pending = win;
8923         }
8924         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
8925                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
8926                 if (win->can_delete)
8927                         client_msg(win, a_delete, 0);
8928                 else
8929                         xcb_kill_client(conn, win->id);
8930         }
8931         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
8932                 DNPRINTF(SWM_D_EVENT,
8933                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
8934                 if (win->floating) {
8935                         if (e->data.data32[0] & (1<<8)) /* x */
8936                                 X(win) = e->data.data32[1];
8937                         if (e->data.data32[0] & (1<<9)) /* y */
8938                                 Y(win) = e->data.data32[2];
8939                         if (e->data.data32[0] & (1<<10)) /* width */
8940                                 WIDTH(win) = e->data.data32[3];
8941                         if (e->data.data32[0] & (1<<11)) /* height */
8942                                 HEIGHT(win) = e->data.data32[4];
8943
8944                         update_window(win);
8945                 }
8946                 else {
8947                         /* TODO: Change stack sizes */
8948                         /* notify no change was made. */
8949                         config_win(win, NULL);
8950                 }
8951         }
8952         if (e->type == ewmh[_NET_WM_STATE].atom) {
8953                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
8954                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
8955                 if (e->data.data32[2])
8956                         ewmh_update_win_state(win, e->data.data32[2],
8957                             e->data.data32[0]);
8958
8959                 stack();
8960         }
8961
8962         focus_flush();
8963 }
8964
8965 void
8966 check_conn(void)
8967 {
8968         int      errcode = xcb_connection_has_error(conn);
8969 #ifdef XCB_CONN_ERROR
8970         char    *s;
8971         switch (errcode) {
8972         case XCB_CONN_ERROR:
8973                 s = "Socket error, pipe error or other stream error.";
8974                 break;
8975         case XCB_CONN_CLOSED_EXT_NOTSUPPORTED:
8976                 s = "Extension not supported.";
8977                 break;
8978         case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
8979                 s = "Insufficient memory.";
8980                 break;
8981         case XCB_CONN_CLOSED_REQ_LEN_EXCEED:
8982                 s = "Request length was exceeded.";
8983                 break;
8984         case XCB_CONN_CLOSED_PARSE_ERR:
8985                 s = "Error parsing display string.";
8986                 break;
8987         default:
8988                 s = "Unknown error.";
8989         }
8990         if (errcode)
8991                 errx(errcode, "X CONNECTION ERROR: %s", s);
8992 #else
8993         if (errcode)
8994                 errx(errcode, "X CONNECTION ERROR");
8995 #endif
8996 }
8997
8998 int
8999 enable_wm(void)
9000 {
9001         int                     num_screens, i;
9002         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
9003             XCB_EVENT_MASK_ENTER_WINDOW;
9004         xcb_screen_t            *sc;
9005         xcb_void_cookie_t       wac;
9006         xcb_generic_error_t     *error;
9007
9008         /* this causes an error if some other window manager is running */
9009         num_screens = get_screen_count();
9010         for (i = 0; i < num_screens; i++) {
9011                 if ((sc = get_screen(i)) == NULL)
9012                         errx(1, "ERROR: can't get screen %d.", i);
9013                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
9014                     i, sc->root);
9015                 wac = xcb_change_window_attributes_checked(conn, sc->root,
9016                     XCB_CW_EVENT_MASK, &val);
9017                 if ((error = xcb_request_check(conn, wac))) {
9018                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
9019                             error->error_code);
9020                         free(error);
9021                         return 1;
9022                 }
9023
9024                 /* click to focus on empty region */
9025                 xcb_grab_button(conn, 1, sc->root, BUTTONMASK,
9026                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
9027                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_1, XCB_BUTTON_MASK_ANY);
9028         }
9029
9030         return 0;
9031 }
9032
9033 void
9034 new_region(struct swm_screen *s, int x, int y, int w, int h)
9035 {
9036         struct swm_region       *r, *n;
9037         struct workspace        *ws = NULL;
9038         int                     i;
9039         uint32_t                wa[1];
9040
9041         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
9042              s->idx, w, h, x, y);
9043
9044         /* remove any conflicting regions */
9045         n = TAILQ_FIRST(&s->rl);
9046         while (n) {
9047                 r = n;
9048                 n = TAILQ_NEXT(r, entry);
9049                 if (X(r) < (x + w) && (X(r) + WIDTH(r)) > x &&
9050                     Y(r) < (y + h) && (Y(r) + HEIGHT(r)) > y) {
9051                         if (r->ws->r != NULL)
9052                                 r->ws->old_r = r->ws->r;
9053                         r->ws->r = NULL;
9054                         bar_cleanup(r);
9055                         xcb_destroy_window(conn, r->id);
9056                         TAILQ_REMOVE(&s->rl, r, entry);
9057                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
9058                 }
9059         }
9060
9061         /* search old regions for one to reuse */
9062
9063         /* size + location match */
9064         TAILQ_FOREACH(r, &s->orl, entry)
9065                 if (X(r) == x && Y(r) == y &&
9066                     HEIGHT(r) == h && WIDTH(r) == w)
9067                         break;
9068
9069         /* size match */
9070         TAILQ_FOREACH(r, &s->orl, entry)
9071                 if (HEIGHT(r) == h && WIDTH(r) == w)
9072                         break;
9073
9074         if (r != NULL) {
9075                 TAILQ_REMOVE(&s->orl, r, entry);
9076                 /* try to use old region's workspace */
9077                 if (r->ws->r == NULL)
9078                         ws = r->ws;
9079         } else
9080                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
9081                         err(1, "new_region: calloc: failed to allocate memory "
9082                             "for screen");
9083
9084         /* if we don't have a workspace already, find one */
9085         if (ws == NULL) {
9086                 for (i = 0; i < workspace_limit; i++)
9087                         if (s->ws[i].r == NULL) {
9088                                 ws = &s->ws[i];
9089                                 break;
9090                         }
9091         }
9092
9093         if (ws == NULL)
9094                 errx(1, "new_region: no free workspaces");
9095
9096         X(r) = x;
9097         Y(r) = y;
9098         WIDTH(r) = w;
9099         HEIGHT(r) = h;
9100         r->s = s;
9101         r->ws = ws;
9102         r->ws_prior = NULL;
9103         ws->r = r;
9104         outputs++;
9105         TAILQ_INSERT_TAIL(&s->rl, r, entry);
9106
9107         /* Invisible region window to detect pointer events on empty regions. */
9108         r->id = xcb_generate_id(conn);
9109         wa[0] = XCB_EVENT_MASK_POINTER_MOTION |
9110             XCB_EVENT_MASK_POINTER_MOTION_HINT;
9111
9112         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->id, r->s->root,
9113             X(r), Y(r), WIDTH(r), HEIGHT(r), 0, XCB_WINDOW_CLASS_INPUT_ONLY,
9114             XCB_COPY_FROM_PARENT, XCB_CW_EVENT_MASK, wa);
9115
9116         xcb_map_window(conn, r->id);
9117 }
9118
9119 void
9120 scan_xrandr(int i)
9121 {
9122 #ifdef SWM_XRR_HAS_CRTC
9123         int                                             c;
9124         int                                             ncrtc = 0;
9125 #endif /* SWM_XRR_HAS_CRTC */
9126         struct swm_region                               *r;
9127         struct ws_win                                   *win;
9128         int                                             num_screens;
9129         xcb_randr_get_screen_resources_current_cookie_t src;
9130         xcb_randr_get_screen_resources_current_reply_t  *srr;
9131         xcb_randr_get_crtc_info_cookie_t                cic;
9132         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
9133         xcb_randr_crtc_t                                *crtc;
9134         xcb_screen_t                                    *screen;
9135
9136         DNPRINTF(SWM_D_MISC, "scan_xrandr: screen: %d\n", i);
9137
9138         if ((screen = get_screen(i)) == NULL)
9139                 errx(1, "ERROR: can't get screen %d.", i);
9140
9141         num_screens = get_screen_count();
9142         if (i >= num_screens)
9143                 errx(1, "scan_xrandr: invalid screen");
9144
9145         /* remove any old regions */
9146         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
9147                 r->ws->old_r = r->ws->r = NULL;
9148                 bar_cleanup(r);
9149                 xcb_destroy_window(conn, r->id);
9150                 TAILQ_REMOVE(&screens[i].rl, r, entry);
9151                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
9152         }
9153         outputs = 0;
9154
9155         /* map virtual screens onto physical screens */
9156 #ifdef SWM_XRR_HAS_CRTC
9157         if (xrandr_support) {
9158                 src = xcb_randr_get_screen_resources_current(conn,
9159                     screens[i].root);
9160                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
9161                     NULL);
9162                 if (srr == NULL) {
9163                         new_region(&screens[i], 0, 0,
9164                             screen->width_in_pixels,
9165                             screen->height_in_pixels);
9166                         goto out;
9167                 } else
9168                         ncrtc = srr->num_crtcs;
9169
9170                 crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
9171                 for (c = 0; c < ncrtc; c++) {
9172                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
9173                             XCB_CURRENT_TIME);
9174                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
9175                         if (cir == NULL)
9176                                 continue;
9177                         if (cir->num_outputs == 0) {
9178                                 free(cir);
9179                                 continue;
9180                         }
9181
9182                         if (cir->mode == 0)
9183                                 new_region(&screens[i], 0, 0,
9184                                     screen->width_in_pixels,
9185                                     screen->height_in_pixels);
9186                         else
9187                                 new_region(&screens[i],
9188                                     cir->x, cir->y, cir->width, cir->height);
9189                         free(cir);
9190                 }
9191                 free(srr);
9192         }
9193 #endif /* SWM_XRR_HAS_CRTC */
9194
9195         /* If detection failed, create a single region that spans the screen. */
9196         if (TAILQ_EMPTY(&screens[i].rl))
9197                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
9198                     screen->height_in_pixels);
9199
9200 out:
9201         /* Cleanup unused previously visible workspaces. */
9202         TAILQ_FOREACH(r, &screens[i].orl, entry) {
9203                 TAILQ_FOREACH(win, &r->ws->winlist, entry)
9204                         unmap_window(win);
9205
9206                 /* The screen shouldn't focus on an unused region. */
9207                 if (screens[i].r_focus == r)
9208                         screens[i].r_focus = NULL;
9209         }
9210
9211         DNPRINTF(SWM_D_MISC, "scan_xrandr: done.\n");
9212 }
9213
9214 void
9215 screenchange(xcb_randr_screen_change_notify_event_t *e)
9216 {
9217         struct swm_region               *r;
9218         int                             i, num_screens;
9219
9220         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
9221
9222         num_screens = get_screen_count();
9223         /* silly event doesn't include the screen index */
9224         for (i = 0; i < num_screens; i++)
9225                 if (screens[i].root == e->root)
9226                         break;
9227         if (i >= num_screens)
9228                 errx(1, "screenchange: screen not found");
9229
9230         /* brute force for now, just re-enumerate the regions */
9231         scan_xrandr(i);
9232
9233 #ifdef SWM_DEBUG
9234         print_win_geom(e->root);
9235 #endif
9236         /* add bars to all regions */
9237         for (i = 0; i < num_screens; i++) {
9238                 TAILQ_FOREACH(r, &screens[i].rl, entry)
9239                         bar_setup(r);
9240         }
9241
9242         stack();
9243
9244         /* Make sure a region has focus on each screen. */
9245         for (i = 0; i < num_screens; i++) {
9246                 if (screens[i].r_focus == NULL) {
9247                         r = TAILQ_FIRST(&screens[i].rl);
9248                         if (r != NULL)
9249                                 focus_region(r);
9250                 }
9251         }
9252
9253         bar_draw();
9254         focus_flush();
9255 }
9256
9257 void
9258 grab_windows(void)
9259 {
9260         struct swm_region       *r = NULL;
9261         xcb_window_t            *wins = NULL, trans;
9262         int                     no;
9263         int                     i, j, num_screens;
9264         uint16_t                state, manage, mapped;
9265
9266         xcb_query_tree_cookie_t                 qtc;
9267         xcb_query_tree_reply_t                  *qtr;
9268         xcb_get_window_attributes_cookie_t      gac;
9269         xcb_get_window_attributes_reply_t       *gar;
9270         xcb_get_property_cookie_t               pc;
9271
9272         DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
9273         num_screens = get_screen_count();
9274         for (i = 0; i < num_screens; i++) {
9275                 qtc = xcb_query_tree(conn, screens[i].root);
9276                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
9277                 if (qtr == NULL)
9278                         continue;
9279                 wins = xcb_query_tree_children(qtr);
9280                 no = xcb_query_tree_children_length(qtr);
9281                 /* attach windows to a region */
9282                 /* normal windows */
9283                 DNPRINTF(SWM_D_INIT, "grab_windows: grab top level windows.\n");
9284                 for (j = 0; j < no; j++) {
9285                         TAILQ_FOREACH(r, &screens[i].rl, entry) {
9286                                 if (r->id == wins[j]) {
9287                                         DNPRINTF(SWM_D_INIT, "grab_windows: "
9288                                             "skip %#x; region input window.\n",
9289                                             wins[j]);
9290                                         break;
9291                                 }
9292                         }
9293
9294                         if (r)
9295                                 continue;
9296
9297                         gac = xcb_get_window_attributes(conn, wins[j]);
9298                         gar = xcb_get_window_attributes_reply(conn, gac, NULL);
9299                         if (gar == NULL) {
9300                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9301                                     "doesn't exist.\n", wins[j]);
9302                                 continue;
9303                         }
9304
9305                         if (gar->override_redirect) {
9306                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9307                                     "override_redirect set.\n", wins[j]);
9308                                 free(gar);
9309                                 continue;
9310                         }
9311
9312                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
9313                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
9314                             &trans, NULL)) {
9315                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9316                                     "is transient for %#x.\n", wins[j], trans);
9317                                 free(gar);
9318                                 continue;
9319                         }
9320
9321                         state = getstate(wins[j]);
9322                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
9323                         mapped = gar->map_state != XCB_MAP_STATE_UNMAPPED;
9324                         if (mapped || manage)
9325                                 manage_window(wins[j], mapped);
9326                         free(gar);
9327                 }
9328                 /* transient windows */
9329                 DNPRINTF(SWM_D_INIT, "grab_windows: grab transient windows.\n");
9330                 for (j = 0; j < no; j++) {
9331                         gac = xcb_get_window_attributes(conn, wins[j]);
9332                         gar = xcb_get_window_attributes_reply(conn, gac, NULL);
9333                         if (gar == NULL) {
9334                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9335                                     "doesn't exist.\n", wins[j]);
9336                                 continue;
9337                         }
9338
9339                         if (gar->override_redirect) {
9340                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9341                                     "override_redirect set.\n", wins[j]);
9342                                 free(gar);
9343                                 continue;
9344                         }
9345
9346                         state = getstate(wins[j]);
9347                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
9348                         mapped = gar->map_state != XCB_MAP_STATE_UNMAPPED;
9349                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
9350                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
9351                             &trans, NULL) && manage)
9352                                 manage_window(wins[j], mapped);
9353                         free(gar);
9354                 }
9355                 free(qtr);
9356         }
9357         DNPRINTF(SWM_D_INIT, "grab_windows: done.\n");
9358 }
9359
9360 void
9361 setup_screens(void)
9362 {
9363         int                     i, j, k, num_screens;
9364         struct workspace        *ws;
9365         uint32_t                gcv[1], wa[1];
9366         const xcb_query_extension_reply_t *qep;
9367         xcb_screen_t                            *screen;
9368         xcb_randr_query_version_cookie_t        c;
9369         xcb_randr_query_version_reply_t         *r;
9370
9371         num_screens = get_screen_count();
9372         if ((screens = calloc(num_screens,
9373              sizeof(struct swm_screen))) == NULL)
9374                 err(1, "setup_screens: calloc: failed to allocate memory for "
9375                     "screens");
9376
9377         /* initial Xrandr setup */
9378         xrandr_support = 0;
9379         qep = xcb_get_extension_data(conn, &xcb_randr_id);
9380         if (qep->present) {
9381                 c = xcb_randr_query_version(conn, 1, 1);
9382                 r = xcb_randr_query_version_reply(conn, c, NULL);
9383                 if (r) {
9384                         if (r->major_version >= 1) {
9385                                 xrandr_support = 1;
9386                                 xrandr_eventbase = qep->first_event;
9387                         }
9388                         free(r);
9389                 }
9390         }
9391
9392         wa[0] = cursors[XC_LEFT_PTR].cid;
9393
9394         /* map physical screens */
9395         for (i = 0; i < num_screens; i++) {
9396                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
9397                 screens[i].idx = i;
9398                 screens[i].r_focus = NULL;
9399
9400                 TAILQ_INIT(&screens[i].rl);
9401                 TAILQ_INIT(&screens[i].orl);
9402                 if ((screen = get_screen(i)) == NULL)
9403                         errx(1, "ERROR: can't get screen %d.", i);
9404                 screens[i].root = screen->root;
9405
9406                 /* set default colors */
9407                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
9408                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
9409                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
9410                 setscreencolor("rgb:00/40/40", i + 1,
9411                     SWM_S_COLOR_BAR_BORDER_UNFOCUS);
9412                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
9413                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
9414
9415                 /* create graphics context on screen */
9416                 screens[i].bar_gc = xcb_generate_id(conn);
9417                 gcv[0] = 0;
9418                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
9419                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
9420
9421                 /* set default cursor */
9422                 xcb_change_window_attributes(conn, screens[i].root,
9423                     XCB_CW_CURSOR, wa);
9424
9425                 /* init all workspaces */
9426                 /* XXX these should be dynamically allocated too */
9427                 for (j = 0; j < SWM_WS_MAX; j++) {
9428                         ws = &screens[i].ws[j];
9429                         ws->idx = j;
9430                         ws->name = NULL;
9431                         ws->bar_enabled = 1;
9432                         ws->focus = NULL;
9433                         ws->focus_prev = NULL;
9434                         ws->focus_pending = NULL;
9435                         ws->r = NULL;
9436                         ws->old_r = NULL;
9437                         TAILQ_INIT(&ws->winlist);
9438                         TAILQ_INIT(&ws->unmanagedlist);
9439
9440                         for (k = 0; layouts[k].l_stack != NULL; k++)
9441                                 if (layouts[k].l_config != NULL)
9442                                         layouts[k].l_config(ws,
9443                                             SWM_ARG_ID_STACKINIT);
9444                         ws->cur_layout = &layouts[0];
9445                         ws->cur_layout->l_string(ws);
9446                 }
9447
9448                 scan_xrandr(i);
9449
9450                 if (xrandr_support)
9451                         xcb_randr_select_input(conn, screens[i].root,
9452                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
9453         }
9454 }
9455
9456 void
9457 setup_globals(void)
9458 {
9459         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
9460                 err(1, "setup_globals: strdup: failed to allocate memory.");
9461
9462         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
9463                 err(1, "setup_globals: strdup: failed to allocate memory.");
9464
9465         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
9466                 errx(1, "unable to allocate key symbols");
9467
9468         a_state = get_atom_from_string("WM_STATE");
9469         a_prot = get_atom_from_string("WM_PROTOCOLS");
9470         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
9471         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
9472         a_utf8_string = get_atom_from_string("UTF8_STRING");
9473         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
9474         a_swm_ws = get_atom_from_string("_SWM_WS");
9475 }
9476
9477 void
9478 workaround(void)
9479 {
9480         int                     i, num_screens;
9481         xcb_atom_t              netwmcheck;
9482         xcb_window_t            root, win;
9483
9484         /* work around sun jdk bugs, code from wmname */
9485         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
9486
9487         num_screens = get_screen_count();
9488         for (i = 0; i < num_screens; i++) {
9489                 root = screens[i].root;
9490
9491                 win = xcb_generate_id(conn);
9492                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, root,
9493                     0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
9494                     XCB_COPY_FROM_PARENT, 0, NULL);
9495
9496                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
9497                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
9498                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
9499                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
9500                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
9501                     ewmh[_NET_WM_NAME].atom, a_utf8_string, 8, strlen("LG3D"),
9502                     "LG3D");
9503         }
9504 }
9505
9506 void
9507 shutdown_cleanup(void)
9508 {
9509         int i, num_screens;
9510
9511         /* disable alarm because the following code may not be interrupted */
9512         alarm(0);
9513         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
9514                 err(1, "can't disable alarm");
9515
9516         bar_extra_stop();
9517         unmap_all();
9518
9519         cursors_cleanup();
9520
9521         teardown_ewmh();
9522
9523         num_screens = get_screen_count();
9524         for (i = 0; i < num_screens; ++i) {
9525                 if (screens[i].bar_gc != XCB_NONE)
9526                         xcb_free_gc(conn, screens[i].bar_gc);
9527                 if (!bar_font_legacy)
9528                         XftColorFree(display, DefaultVisual(display, i),
9529                             DefaultColormap(display, i), &bar_font_color);
9530         }
9531
9532         if (bar_font_legacy)
9533                 XFreeFontSet(display, bar_fs);
9534         else {
9535                 XftFontClose(display, bar_font);
9536         }
9537
9538         xcb_key_symbols_free(syms);
9539         xcb_flush(conn);
9540         xcb_disconnect(conn);
9541 }
9542
9543 void
9544 event_error(xcb_generic_error_t *e)
9545 {
9546         (void)e;
9547
9548         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
9549             "resource_id: %u, minor_code: %u\n",
9550             xcb_event_get_error_label(e->error_code), e->error_code,
9551             xcb_event_get_request_label(e->major_code), e->major_code,
9552             e->sequence, e->resource_id, e->minor_code);
9553 }
9554
9555 void
9556 event_handle(xcb_generic_event_t *evt)
9557 {
9558         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
9559
9560         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d), seq %u\n",
9561             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
9562             XCB_EVENT_RESPONSE_TYPE(evt), evt->sequence);
9563
9564         switch (type) {
9565 #define EVENT(type, callback) case type: callback((void *)evt); return
9566         EVENT(0, event_error);
9567         EVENT(XCB_BUTTON_PRESS, buttonpress);
9568         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
9569         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
9570         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
9571         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
9572         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
9573         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
9574         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
9575         /*EVENT(XCB_CREATE_NOTIFY, );*/
9576         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
9577         EVENT(XCB_ENTER_NOTIFY, enternotify);
9578         EVENT(XCB_EXPOSE, expose);
9579 #ifdef SWM_DEBUG
9580         EVENT(XCB_FOCUS_IN, focusin);
9581         EVENT(XCB_FOCUS_OUT, focusout);
9582 #endif
9583         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
9584         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
9585         EVENT(XCB_KEY_PRESS, keypress);
9586         /*EVENT(XCB_KEY_RELEASE, keypress);*/
9587         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
9588 #ifdef SWM_DEBUG
9589         EVENT(XCB_LEAVE_NOTIFY, leavenotify);
9590 #endif
9591         EVENT(XCB_MAP_NOTIFY, mapnotify);
9592         EVENT(XCB_MAP_REQUEST, maprequest);
9593         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
9594         EVENT(XCB_MOTION_NOTIFY, motionnotify);
9595         /*EVENT(XCB_NO_EXPOSURE, );*/
9596         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
9597         /*EVENT(XCB_REPARENT_NOTIFY, );*/
9598         /*EVENT(XCB_RESIZE_REQUEST, );*/
9599         /*EVENT(XCB_SELECTION_CLEAR, );*/
9600         /*EVENT(XCB_SELECTION_NOTIFY, );*/
9601         /*EVENT(XCB_SELECTION_REQUEST, );*/
9602         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
9603         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
9604 #undef EVENT
9605         }
9606         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
9607                 screenchange((void *)evt);
9608 }
9609
9610 int
9611 main(int argc, char *argv[])
9612 {
9613         struct swm_region       *r;
9614         char                    conf[PATH_MAX], *cfile = NULL;
9615         struct stat             sb;
9616         int                     xfd, i, num_screens, startup = 1;
9617         struct sigaction        sact;
9618         xcb_generic_event_t     *evt;
9619         struct timeval          tv;
9620         fd_set                  rd;
9621         int                     rd_max;
9622         int                     stdin_ready = 0;
9623         int                     num_readable;
9624
9625         /* suppress unused warning since var is needed */
9626         (void)argc;
9627
9628         time_started = time(NULL);
9629
9630         start_argv = argv;
9631         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
9632         if (setlocale(LC_CTYPE, "") == NULL || setlocale(LC_TIME, "") == NULL)
9633                 warnx("no locale support");
9634
9635         /* handle some signals */
9636         bzero(&sact, sizeof(sact));
9637         sigemptyset(&sact.sa_mask);
9638         sact.sa_flags = 0;
9639         sact.sa_handler = sighdlr;
9640         sigaction(SIGINT, &sact, NULL);
9641         sigaction(SIGQUIT, &sact, NULL);
9642         sigaction(SIGTERM, &sact, NULL);
9643         sigaction(SIGHUP, &sact, NULL);
9644
9645         sact.sa_handler = sighdlr;
9646         sact.sa_flags = SA_NOCLDSTOP;
9647         sigaction(SIGCHLD, &sact, NULL);
9648
9649         if ((display = XOpenDisplay(0)) == NULL)
9650                 errx(1, "can not open display");
9651
9652         conn = XGetXCBConnection(display);
9653         if (xcb_connection_has_error(conn))
9654                 errx(1, "can not get XCB connection");
9655
9656         XSetEventQueueOwner(display, XCBOwnsEventQueue);
9657
9658         xcb_prefetch_extension_data(conn, &xcb_randr_id);
9659         xfd = xcb_get_file_descriptor(conn);
9660
9661         /* look for local and global conf file */
9662         pwd = getpwuid(getuid());
9663         if (pwd == NULL)
9664                 errx(1, "invalid user: %d", getuid());
9665
9666         xcb_grab_server(conn);
9667         xcb_aux_sync(conn);
9668
9669         /* flush all events */
9670         while ((evt = xcb_poll_for_event(conn))) {
9671                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
9672                         event_handle(evt);
9673                 free(evt);
9674         }
9675
9676         if (enable_wm())
9677                 errx(1, "another window manager is currently running");
9678
9679         /* Load Xcursors and/or cursorfont glyph cursors. */
9680         cursors_load();
9681
9682         xcb_aux_sync(conn);
9683
9684         setup_globals();
9685         setup_screens();
9686         setup_keys();
9687         setup_quirks();
9688         setup_spawn();
9689
9690         /* load config */
9691         for (i = 0; ; i++) {
9692                 conf[0] = '\0';
9693                 switch (i) {
9694                 case 0:
9695                         /* ~ */
9696                         snprintf(conf, sizeof conf, "%s/.%s",
9697                             pwd->pw_dir, SWM_CONF_FILE);
9698                         break;
9699                 case 1:
9700                         /* global */
9701                         snprintf(conf, sizeof conf, "/etc/%s",
9702                             SWM_CONF_FILE);
9703                         break;
9704                 case 2:
9705                         /* ~ compat */
9706                         snprintf(conf, sizeof conf, "%s/.%s",
9707                             pwd->pw_dir, SWM_CONF_FILE_OLD);
9708                         break;
9709                 case 3:
9710                         /* global compat */
9711                         snprintf(conf, sizeof conf, "/etc/%s",
9712                             SWM_CONF_FILE_OLD);
9713                         break;
9714                 default:
9715                         goto noconfig;
9716                 }
9717
9718                 if (strlen(conf) && stat(conf, &sb) != -1)
9719                         if (S_ISREG(sb.st_mode)) {
9720                                 cfile = conf;
9721                                 break;
9722                         }
9723         }
9724 noconfig:
9725
9726         /* load conf (if any) */
9727         if (cfile)
9728                 conf_load(cfile, SWM_CONF_DEFAULT);
9729
9730         validate_spawns();
9731
9732         setup_ewmh();
9733         /* set some values to work around bad programs */
9734         workaround();
9735         /* grab existing windows (before we build the bars) */
9736         grab_windows();
9737
9738         if (getenv("SWM_STARTED") == NULL)
9739                 setenv("SWM_STARTED", "YES", 1);
9740
9741         /* setup all bars */
9742         num_screens = get_screen_count();
9743         for (i = 0; i < num_screens; i++)
9744                 TAILQ_FOREACH(r, &screens[i].rl, entry)
9745                         bar_setup(r);
9746
9747         grabkeys();
9748         stack();
9749         bar_draw();
9750
9751         xcb_ungrab_server(conn);
9752         xcb_flush(conn);
9753
9754         rd_max = xfd > STDIN_FILENO ? xfd : STDIN_FILENO;
9755
9756         while (running) {
9757                 while ((evt = xcb_poll_for_event(conn))) {
9758                         if (!running)
9759                                 goto done;
9760                         event_handle(evt);
9761                         free(evt);
9762                 }
9763
9764                 /* If just (re)started, set default focus if needed. */
9765                 if (startup) {
9766                         startup = 0;
9767
9768                         if (focus_mode != SWM_FOCUS_FOLLOW) {
9769                                 r = TAILQ_FIRST(&screens[0].rl);
9770                                 if (r) {
9771                                         focus_region(r);
9772                                         focus_flush();
9773                                 }
9774                                 continue;
9775                         }
9776                 }
9777
9778                 FD_ZERO(&rd);
9779
9780                 if (bar_extra)
9781                         FD_SET(STDIN_FILENO, &rd);
9782
9783                 FD_SET(xfd, &rd);
9784                 tv.tv_sec = 1;
9785                 tv.tv_usec = 0;
9786                 num_readable = select(rd_max + 1, &rd, NULL, NULL, &tv);
9787                 if (num_readable == -1 && errno != EINTR) {
9788                         DNPRINTF(SWM_D_MISC, "select failed");
9789                 } else if (num_readable > 0 && FD_ISSET(STDIN_FILENO, &rd)) {
9790                         stdin_ready = 1;
9791                 }
9792
9793                 if (restart_wm)
9794                         restart(NULL, NULL);
9795
9796                 if (search_resp)
9797                         search_do_resp();
9798
9799                 if (!running)
9800                         goto done;
9801
9802                 if (stdin_ready) {
9803                         stdin_ready = 0;
9804                         bar_extra_update();
9805                 }
9806
9807                 bar_draw();
9808                 xcb_flush(conn);
9809         }
9810 done:
9811         shutdown_cleanup();
9812
9813         return (0);
9814 }