spectrwm.c

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