spectrwm.c

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