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