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