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 (bar_enabled && 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         if (!win->mapped)
3155                 goto out;
3156
3157         ws = win->ws;
3158
3159         if (validate_ws(ws))
3160                 goto out;
3161
3162         if (validate_win(win)) {
3163                 kill_refs(win);
3164                 goto out;
3165         }
3166
3167         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
3168         if (r) {
3169                 cfw = find_window(r->focus);
3170                 if (cfw != win)
3171                         unfocus_win(cfw);
3172                 free(r);
3173         }
3174
3175         if (ws->focus != win) {
3176                 if (ws->focus && ws->focus != cfw)
3177                         unfocus_win(ws->focus);
3178                 ws->focus = win;
3179         }
3180
3181         /* If this window directs focus to a child window, then clear. */
3182         if (win->focus_child)
3183                 win->focus_child = NULL;
3184
3185         /* If transient, adjust parent's focus child for focus_magic. */
3186         if (win->transient) {
3187                 parent = find_window(win->transient);
3188                 if (parent && parent->focus_child != win)
3189                         parent->focus_child = win;
3190         }
3191
3192         if (cfw != win && ws->r != NULL) {
3193                 /* Set input focus if no input hint, or indicated by hint. */
3194                 if (!(win->hints.flags & XCB_ICCCM_WM_HINT_INPUT) ||
3195                     (win->hints.flags & XCB_ICCCM_WM_HINT_INPUT &&
3196                      win->hints.input))
3197                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3198                                         win->id, last_event_time);
3199
3200                 /* Tell app it can adjust focus to a specific window. */
3201                 if (win->take_focus) {
3202                         /* java is special; always tell parent */
3203                         if (win->transient && win->java)
3204                                 client_msg(parent, a_takefocus,
3205                                     last_event_time);
3206                         else
3207                                 client_msg(win, a_takefocus, last_event_time);
3208                 }
3209
3210                 xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3211                     &ws->r->s->c[SWM_S_COLOR_FOCUS].pixel);
3212
3213                 if (ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
3214                     ws->always_raise) {
3215                         /* If a parent exists, map it first. */
3216                         if (parent) {
3217                                 map_window(parent);
3218
3219                                 /* Map siblings next. */
3220                                 TAILQ_FOREACH(w, &ws->winlist, entry)
3221                                         if (w != win && !w->iconic &&
3222                                             w->transient == parent->id)
3223                                                 map_window(w);
3224                         }
3225
3226                         /* Map focused window. */
3227                         map_window(win);
3228
3229                         /* Finally, map children of focus window. */
3230                         TAILQ_FOREACH(w, &ws->winlist, entry)
3231                                 if (w->transient == win->id && !w->iconic)
3232                                         map_window(w);
3233
3234                 }
3235
3236                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3237                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
3238                     &win->id);
3239         }
3240
3241 out:
3242         bar_draw();
3243
3244         DNPRINTF(SWM_D_FOCUS, "focus_win: done.\n");
3245 }
3246
3247 /* If a child window should have focus instead, return it. */
3248 struct ws_win *
3249 get_focus_magic(struct ws_win *win)
3250 {
3251         struct ws_win   *parent = NULL;
3252         struct ws_win   *child = NULL;
3253
3254         DNPRINTF(SWM_D_FOCUS, "get_focus_magic: window: 0x%x\n", WINID(win));
3255         if (win == NULL)
3256                 return win;
3257
3258         if (win->transient) {
3259                 parent = find_window(win->transient);
3260
3261                 /* If parent prefers focus elsewhere, then try to do so. */
3262                 if (parent && (child = parent->focus_child)) {
3263                         if (validate_win(child) == 0 && child->mapped)
3264                                 win = child;
3265                         else
3266                                 parent->focus_child = NULL;
3267                 }
3268         }
3269
3270         /* If this window prefers focus elsewhere, then try to do so. */
3271         if ((child = win->focus_child)) {
3272                 if (validate_win(child) == 0 && child->mapped)
3273                         win = child;
3274                 else
3275                         win->focus_child = NULL;
3276         }
3277
3278         return win;
3279 }
3280
3281 void
3282 event_drain(uint8_t rt)
3283 {
3284         xcb_generic_event_t     *evt;
3285
3286         /* ensure all pending requests have been processed before filtering. */
3287         xcb_aux_sync(conn);
3288         while ((evt = xcb_poll_for_event(conn))) {
3289                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
3290                         event_handle(evt);
3291
3292                 free(evt);
3293         }
3294 }
3295
3296 void
3297 switchws(struct swm_region *r, union arg *args)
3298 {
3299         int                     wsid = args->id, unmap_old = 0;
3300         struct swm_region       *this_r, *other_r;
3301         struct ws_win           *win;
3302         struct workspace        *new_ws, *old_ws;
3303
3304         if (!(r && r->s))
3305                 return;
3306
3307         if (wsid >= workspace_limit)
3308                 return;
3309
3310         this_r = r;
3311         old_ws = this_r->ws;
3312         new_ws = &this_r->s->ws[wsid];
3313
3314         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
3315             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
3316
3317         if (new_ws == NULL || old_ws == NULL)
3318                 return;
3319         if (new_ws == old_ws)
3320                 return;
3321
3322         unfocus_win(old_ws->focus);
3323
3324         other_r = new_ws->r;
3325         if (other_r == NULL) {
3326                 /* the other workspace is hidden, hide this one */
3327                 old_ws->r = NULL;
3328                 unmap_old = 1;
3329         } else {
3330                 /* the other ws is visible in another region, exchange them */
3331                 other_r->ws_prior = new_ws;
3332                 other_r->ws = old_ws;
3333                 old_ws->r = other_r;
3334         }
3335         this_r->ws_prior = old_ws;
3336         this_r->ws = new_ws;
3337         new_ws->r = this_r;
3338
3339         /* Set focus_pending before stacking. */
3340         if (focus_mode != SWM_FOCUS_FOLLOW)
3341                 new_ws->focus_pending = get_region_focus(new_ws->r);
3342
3343         stack();
3344
3345         /* unmap old windows */
3346         if (unmap_old)
3347                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
3348                         unmap_window(win);
3349
3350         /* if workspaces were swapped, then don't wait to set focus */
3351         if (old_ws->r && focus_mode != SWM_FOCUS_FOLLOW) {
3352                 if (new_ws->focus_pending) {
3353                         focus_win(new_ws->focus_pending);
3354                 } else {
3355                         /* Empty region, focus on root. */
3356                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3357                             new_ws->r->s[new_ws->r->s->idx].root,
3358                             XCB_CURRENT_TIME);
3359                 }
3360         }
3361
3362         /* Clear bar if new ws is empty. */
3363         if (new_ws->focus_pending == NULL)
3364                 bar_draw();
3365
3366         focus_flush();
3367
3368         DNPRINTF(SWM_D_WS, "switchws: done.\n");
3369 }
3370
3371 void
3372 cyclews(struct swm_region *r, union arg *args)
3373 {
3374         union                   arg a;
3375         struct swm_screen       *s = r->s;
3376         int                     cycle_all = 0;
3377
3378         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3379             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3380
3381         a.id = r->ws->idx;
3382         do {
3383                 switch (args->id) {
3384                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
3385                         cycle_all = 1;
3386                         /* FALLTHROUGH */
3387                 case SWM_ARG_ID_CYCLEWS_UP:
3388                         if (a.id < workspace_limit - 1)
3389                                 a.id++;
3390                         else
3391                                 a.id = 0;
3392                         break;
3393                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
3394                         cycle_all = 1;
3395                         /* FALLTHROUGH */
3396                 case SWM_ARG_ID_CYCLEWS_DOWN:
3397                         if (a.id > 0)
3398                                 a.id--;
3399                         else
3400                                 a.id = workspace_limit - 1;
3401                         break;
3402                 default:
3403                         return;
3404                 };
3405
3406                 if (!cycle_all &&
3407                     (!cycle_empty && TAILQ_EMPTY(&s->ws[a.id].winlist)))
3408                         continue;
3409                 if (!cycle_visible && s->ws[a.id].r != NULL)
3410                         continue;
3411
3412                 switchws(r, &a);
3413         } while (a.id != r->ws->idx);
3414 }
3415
3416 void
3417 priorws(struct swm_region *r, union arg *args)
3418 {
3419         union arg               a;
3420
3421         (void)args;
3422
3423         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3424             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3425
3426         if (r->ws_prior == NULL)
3427                 return;
3428
3429         a.id = r->ws_prior->idx;
3430         switchws(r, &a);
3431 }
3432
3433 void
3434 cyclescr(struct swm_region *r, union arg *args)
3435 {
3436         struct ws_win           *nfw;
3437         struct swm_region       *rr = NULL;
3438         int                     i, num_screens;
3439
3440         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3441         /* do nothing if we don't have more than one screen */
3442         if (!(num_screens > 1 || outputs > 1))
3443                 return;
3444
3445         i = r->s->idx;
3446         switch (args->id) {
3447         case SWM_ARG_ID_CYCLESC_UP:
3448                 rr = TAILQ_NEXT(r, entry);
3449                 if (rr == NULL)
3450                         rr = TAILQ_FIRST(&screens[i].rl);
3451                 break;
3452         case SWM_ARG_ID_CYCLESC_DOWN:
3453                 rr = TAILQ_PREV(r, swm_region_list, entry);
3454                 if (rr == NULL)
3455                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
3456                 break;
3457         default:
3458                 return;
3459         };
3460         if (rr == NULL)
3461                 return;
3462
3463         nfw = get_region_focus(rr);
3464         if (nfw) {
3465                 focus_win(nfw);
3466         } else {
3467                 /* New region is empty; unfocus old region and warp pointer. */
3468                 unfocus_win(r->ws->focus);
3469                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3470                                 rr->s[i].root, XCB_CURRENT_TIME);
3471
3472                 /* Clear bar since empty. */
3473                 bar_draw();
3474         }
3475
3476         focus_flush();
3477 }
3478
3479 void
3480 sort_windows(struct ws_win_list *wl)
3481 {
3482         struct ws_win           *win, *parent, *nxt;
3483
3484         if (wl == NULL)
3485                 return;
3486
3487         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
3488                 nxt = TAILQ_NEXT(win, entry);
3489                 if (win->transient) {
3490                         parent = find_window(win->transient);
3491                         if (parent == NULL) {
3492                                 warnx("not possible bug");
3493                                 continue;
3494                         }
3495                         TAILQ_REMOVE(wl, win, entry);
3496                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
3497                 }
3498         }
3499
3500 }
3501
3502 void
3503 swapwin(struct swm_region *r, union arg *args)
3504 {
3505         struct ws_win           *target, *source;
3506         struct ws_win           *cur_focus;
3507         struct ws_win_list      *wl;
3508
3509         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3510             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3511
3512         cur_focus = r->ws->focus;
3513         if (cur_focus == NULL)
3514                 return;
3515
3516         source = cur_focus;
3517         wl = &source->ws->winlist;
3518
3519         switch (args->id) {
3520         case SWM_ARG_ID_SWAPPREV:
3521                 if (source->transient)
3522                         source = find_window(source->transient);
3523                 target = TAILQ_PREV(source, ws_win_list, entry);
3524                 if (target && target->transient)
3525                         target = find_window(target->transient);
3526                 TAILQ_REMOVE(wl, source, entry);
3527                 if (target == NULL)
3528                         TAILQ_INSERT_TAIL(wl, source, entry);
3529                 else
3530                         TAILQ_INSERT_BEFORE(target, source, entry);
3531                 break;
3532         case SWM_ARG_ID_SWAPNEXT:
3533                 target = TAILQ_NEXT(source, entry);
3534                 /* move the parent and let the sort handle the move */
3535                 if (source->transient)
3536                         source = find_window(source->transient);
3537                 TAILQ_REMOVE(wl, source, entry);
3538                 if (target == NULL)
3539                         TAILQ_INSERT_HEAD(wl, source, entry);
3540                 else
3541                         TAILQ_INSERT_AFTER(wl, target, source, entry);
3542                 break;
3543         case SWM_ARG_ID_SWAPMAIN:
3544                 target = TAILQ_FIRST(wl);
3545                 if (target == source) {
3546                         if (source->ws->focus_prev != NULL &&
3547                             source->ws->focus_prev != target)
3548                                 source = source->ws->focus_prev;
3549                         else
3550                                 return;
3551                 }
3552                 if (target == NULL || source == NULL)
3553                         return;
3554                 source->ws->focus_prev = target;
3555                 TAILQ_REMOVE(wl, target, entry);
3556                 TAILQ_INSERT_BEFORE(source, target, entry);
3557                 TAILQ_REMOVE(wl, source, entry);
3558                 TAILQ_INSERT_HEAD(wl, source, entry);
3559                 break;
3560         case SWM_ARG_ID_MOVELAST:
3561                 TAILQ_REMOVE(wl, source, entry);
3562                 TAILQ_INSERT_TAIL(wl, source, entry);
3563                 break;
3564         default:
3565                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
3566                 return;
3567         }
3568
3569         sort_windows(wl);
3570
3571         stack();
3572
3573         focus_flush();
3574 }
3575
3576 struct ws_win *
3577 get_focus_prev(struct ws_win *win)
3578 {
3579         struct ws_win           *winfocus = NULL;
3580         struct ws_win           *cur_focus = NULL;
3581         struct ws_win_list      *wl = NULL;
3582         struct workspace        *ws = NULL;
3583
3584         if (!(win && win->ws))
3585                 return NULL;
3586
3587         ws = win->ws;
3588         wl = &ws->winlist;
3589         cur_focus = ws->focus;
3590
3591         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: window: 0x%x, cur_focus: 0x%x\n",
3592             WINID(win), WINID(cur_focus));
3593
3594         /* pickle, just focus on whatever */
3595         if (cur_focus == NULL) {
3596                 /* use prev_focus if valid */
3597                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
3598                     find_window(WINID(ws->focus_prev)))
3599                         winfocus = ws->focus_prev;
3600                 goto done;
3601         }
3602
3603         /* if transient focus on parent */
3604         if (cur_focus->transient) {
3605                 winfocus = find_window(cur_focus->transient);
3606                 goto done;
3607         }
3608
3609         /* if in max_stack try harder */
3610         if ((win->quirks & SWM_Q_FOCUSPREV) ||
3611             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
3612                 if (cur_focus != ws->focus_prev)
3613                         winfocus = ws->focus_prev;
3614                 else
3615                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3616                 if (winfocus)
3617                         goto done;
3618         }
3619
3620         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: focus_close: %d\n", focus_close);
3621
3622         if (winfocus == NULL || winfocus == win) {
3623                 switch (focus_close) {
3624                 case SWM_STACK_BOTTOM:
3625                         TAILQ_FOREACH(winfocus, wl, entry)
3626                                 if (!winfocus->iconic && winfocus != cur_focus)
3627                                         break;
3628                         break;
3629                 case SWM_STACK_TOP:
3630                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
3631                                 if (!winfocus->iconic && winfocus != cur_focus)
3632                                         break;
3633                         break;
3634                 case SWM_STACK_ABOVE:
3635                         winfocus = TAILQ_NEXT(cur_focus, entry);
3636                         while (winfocus && winfocus->iconic)
3637                                 winfocus = TAILQ_NEXT(winfocus, entry);
3638
3639                         if (winfocus == NULL) {
3640                                 if (focus_close_wrap) {
3641                                         TAILQ_FOREACH(winfocus, wl, entry)
3642                                                 if (!winfocus->iconic &&
3643                                                     winfocus != cur_focus)
3644                                                         break;
3645                                 } else {
3646                                         TAILQ_FOREACH_REVERSE(winfocus, wl,
3647                                             ws_win_list, entry)
3648                                                 if (!winfocus->iconic &&
3649                                                     winfocus != cur_focus)
3650                                                         break;
3651                                 }
3652                         }
3653                         break;
3654                 case SWM_STACK_BELOW:
3655                         winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
3656                         while (winfocus && winfocus->iconic)
3657                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3658                                     entry);
3659
3660                         if (winfocus == NULL) {
3661                                 if (focus_close_wrap) {
3662                                         TAILQ_FOREACH_REVERSE(winfocus, wl,
3663                                             ws_win_list, entry)
3664                                                 if (!winfocus->iconic &&
3665                                                     winfocus != cur_focus)
3666                                                         break;
3667                                 } else {
3668                                         TAILQ_FOREACH(winfocus, wl, entry)
3669                                                 if (!winfocus->iconic &&
3670                                                     winfocus != cur_focus)
3671                                                         break;
3672                                 }
3673                         }
3674                         break;
3675                 }
3676         }
3677 done:
3678         if (winfocus == NULL ||
3679             (winfocus && (winfocus->iconic || winfocus == cur_focus))) {
3680                 if (focus_default == SWM_STACK_TOP) {
3681                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
3682                                 if (!winfocus->iconic && winfocus != cur_focus)
3683                                         break;
3684                 } else {
3685                         TAILQ_FOREACH(winfocus, wl, entry)
3686                                 if (!winfocus->iconic && winfocus != cur_focus)
3687                                         break;
3688                 }
3689         }
3690
3691         kill_refs(win);
3692
3693         return get_focus_magic(winfocus);
3694 }
3695
3696 struct ws_win *
3697 get_region_focus(struct swm_region *r)
3698 {
3699         struct ws_win           *winfocus = NULL;
3700
3701         if (!(r && r->ws))
3702                 return NULL;
3703
3704         if (r->ws->focus && !r->ws->focus->iconic)
3705                 winfocus = r->ws->focus;
3706         else if (r->ws->focus_prev && !r->ws->focus_prev->iconic)
3707                 winfocus = r->ws->focus_prev;
3708         else
3709                 TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3710                         if (!winfocus->iconic)
3711                                 break;
3712
3713         return get_focus_magic(winfocus);
3714 }
3715
3716 void
3717 focus(struct swm_region *r, union arg *args)
3718 {
3719         struct ws_win           *head, *cur_focus = NULL, *winfocus = NULL;
3720         struct ws_win_list      *wl = NULL;
3721         struct workspace        *ws = NULL;
3722         int                     all_iconics;
3723
3724         if (!(r && r->ws))
3725                 return;
3726
3727         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
3728
3729         if ((cur_focus = r->ws->focus) == NULL)
3730                 return;
3731         ws = r->ws;
3732         wl = &ws->winlist;
3733         if (TAILQ_EMPTY(wl))
3734                 return;
3735         /* make sure there is at least one uniconified window */
3736         all_iconics = 1;
3737         TAILQ_FOREACH(winfocus, wl, entry)
3738                 if (!winfocus->iconic) {
3739                         all_iconics = 0;
3740                         break;
3741                 }
3742         if (all_iconics)
3743                 return;
3744
3745         switch (args->id) {
3746         case SWM_ARG_ID_FOCUSPREV:
3747                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3748                 if (head == NULL)
3749                         head = TAILQ_LAST(wl, ws_win_list);
3750                 winfocus = head;
3751                 if (WINID(winfocus) == cur_focus->transient) {
3752                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3753                         if (head == NULL)
3754                                 head = TAILQ_LAST(wl, ws_win_list);
3755                         winfocus = head;
3756                 }
3757
3758                 /* skip iconics */
3759                 if (winfocus && winfocus->iconic) {
3760                         while (winfocus != cur_focus) {
3761                                 if (winfocus == NULL)
3762                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3763                                 if (!winfocus->iconic)
3764                                         break;
3765                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3766                                     entry);
3767                         }
3768                 }
3769                 break;
3770
3771         case SWM_ARG_ID_FOCUSNEXT:
3772                 head = TAILQ_NEXT(cur_focus, entry);
3773                 if (head == NULL)
3774                         head = TAILQ_FIRST(wl);
3775                 winfocus = head;
3776
3777                 /* skip iconics */
3778                 if (winfocus && winfocus->iconic) {
3779                         while (winfocus != cur_focus) {
3780                                 if (winfocus == NULL)
3781                                         winfocus = TAILQ_FIRST(wl);
3782                                 if (!winfocus->iconic)
3783                                         break;
3784                                 winfocus = TAILQ_NEXT(winfocus, entry);
3785                         }
3786                 }
3787                 break;
3788
3789         case SWM_ARG_ID_FOCUSMAIN:
3790                 winfocus = TAILQ_FIRST(wl);
3791                 if (winfocus == cur_focus)
3792                         winfocus = cur_focus->ws->focus_prev;
3793                 break;
3794
3795         default:
3796                 return;
3797         }
3798
3799         focus_win(get_focus_magic(winfocus));
3800
3801         focus_flush();
3802 }
3803
3804 void
3805 cycle_layout(struct swm_region *r, union arg *args)
3806 {
3807         struct workspace        *ws = r->ws;
3808
3809         /* suppress unused warning since var is needed */
3810         (void)args;
3811
3812         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3813
3814         ws->cur_layout++;
3815         if (ws->cur_layout->l_stack == NULL)
3816                 ws->cur_layout = &layouts[0];
3817
3818         stack();
3819         bar_draw();
3820
3821         focus_win(get_region_focus(r));
3822
3823         focus_flush();
3824 }
3825
3826 void
3827 stack_config(struct swm_region *r, union arg *args)
3828 {
3829         struct workspace        *ws = r->ws;
3830
3831         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3832             args->id, ws->idx);
3833
3834         if (ws->cur_layout->l_config != NULL)
3835                 ws->cur_layout->l_config(ws, args->id);
3836
3837         if (args->id != SWM_ARG_ID_STACKINIT)
3838                 stack();
3839         bar_draw();
3840
3841         focus_flush();
3842 }
3843
3844 void
3845 stack(void) {
3846         struct swm_geometry     g;
3847         struct swm_region       *r;
3848         int                     i, num_screens;
3849 #ifdef SWM_DEBUG
3850         int j;
3851 #endif
3852
3853         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3854
3855         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3856         for (i = 0; i < num_screens; i++) {
3857 #ifdef SWM_DEBUG
3858                 j = 0;
3859 #endif
3860                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3861                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3862                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3863
3864                         /* start with screen geometry, adjust for bar */
3865                         g = r->g;
3866                         g.w -= 2 * border_width;
3867                         g.h -= 2 * border_width;
3868                         if (bar_enabled && r->ws->bar_enabled) {
3869                                 if (!bar_at_bottom)
3870                                         g.y += bar_height;
3871                                 g.h -= bar_height;
3872                         }
3873                         r->ws->cur_layout->l_stack(r->ws, &g);
3874                         r->ws->cur_layout->l_string(r->ws);
3875                         /* save r so we can track region changes */
3876                         r->ws->old_r = r;
3877                 }
3878         }
3879         if (font_adjusted)
3880                 font_adjusted--;
3881
3882         DNPRINTF(SWM_D_STACK, "stack: end\n");
3883 }
3884
3885 void
3886 store_float_geom(struct ws_win *win, struct swm_region *r)
3887 {
3888         if (win == NULL || r == NULL)
3889                 return;
3890
3891         /* retain window geom and region geom */
3892         win->g_float = win->g;
3893         win->g_float.x -= X(r);
3894         win->g_float.y -= Y(r);
3895         win->g_floatvalid = 1;
3896         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3897             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3898             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3899             win->g_float.w, win->g_float.h);
3900 }
3901
3902 void
3903 load_float_geom(struct ws_win *win, struct swm_region *r)
3904 {
3905         if (win == NULL || r == NULL)
3906                 return;
3907
3908         if (win->g_floatvalid) {
3909                 win->g = win->g_float;
3910                 X(win) += X(r);
3911                 Y(win) += Y(r);
3912                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g: (%d,%d)"
3913                     "%d x %d\n", win->id, X(win), Y(win), WIDTH(win),
3914                     HEIGHT(win));
3915         } else {
3916                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g_float "
3917                     "is not set.\n", win->id);
3918         }
3919 }
3920
3921 void
3922 stack_floater(struct ws_win *win, struct swm_region *r)
3923 {
3924         if (win == NULL)
3925                 return;
3926
3927         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3928
3929         /*
3930          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3931          * geom on ws switches or return from max mode
3932          */
3933         if (win->floatmaxed || (r != r->ws->old_r &&
3934             !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
3935                 /* update geometry for the new region */
3936                 load_float_geom(win, r);
3937         }
3938
3939         win->floatmaxed = 0;
3940
3941         /*
3942          * if set to fullscreen mode, configure window to maximum size.
3943          */
3944         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3945                 if (!win->g_floatvalid)
3946                         store_float_geom(win, win->ws->r);
3947
3948                 win->g = r->g;
3949         }
3950
3951         /*
3952          * remove border on fullscreen floater when in fullscreen mode or when
3953          * the quirk is present.
3954          */
3955         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3956             ((win->quirks & SWM_Q_FULLSCREEN) &&
3957              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3958                 if (win->bordered) {
3959                         win->bordered = 0;
3960                         X(win) += border_width;
3961                         Y(win) += border_width;
3962                 }
3963         } else if (!win->bordered) {
3964                 win->bordered = 1;
3965                 X(win) -= border_width;
3966                 Y(win) -= border_width;
3967         }
3968
3969         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3970                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3971                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3972         }
3973
3974         if (!win->manual && !(win->ewmh_flags & EWMH_F_FULLSCREEN) &&
3975             !(win->quirks & SWM_Q_ANYWHERE)) {
3976                 /*
3977                  * floaters and transients are auto-centred unless moved,
3978                  * resized or ANYWHERE quirk is set.
3979                  */
3980                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3981                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3982
3983                 store_float_geom(win, r);
3984         }
3985
3986         /* keep window within region bounds */
3987         constrain_window(win, r, 0);
3988
3989         update_window(win);
3990 }
3991
3992 /*
3993  * Send keystrokes to terminal to decrease/increase the font size as the
3994  * window size changes.
3995  */
3996 void
3997 adjust_font(struct ws_win *win)
3998 {
3999         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
4000             win->floating || win->transient)
4001                 return;
4002
4003         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
4004             WIDTH(win) / win->sh.width_inc < term_width &&
4005             win->font_steps < SWM_MAX_FONT_STEPS) {
4006                 win->font_size_boundary[win->font_steps] =
4007                     (win->sh.width_inc * term_width) + win->sh.base_width;
4008                 win->font_steps++;
4009                 font_adjusted++;
4010                 win->last_inc = win->sh.width_inc;
4011                 fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
4012         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
4013             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
4014                 win->font_steps--;
4015                 font_adjusted++;
4016                 win->last_inc = win->sh.width_inc;
4017                 fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
4018         }
4019 }
4020
4021 #define SWAPXY(g)       do {                            \
4022         int tmp;                                        \
4023         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
4024         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
4025 } while (0)
4026 void
4027 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
4028 {
4029         struct swm_geometry     win_g, r_g = *g;
4030         struct ws_win           *win, *fs_win = NULL;
4031         int                     i, j, s, stacks;
4032         int                     w_inc = 1, h_inc, w_base = 1, h_base;
4033         int                     hrh, extra = 0, h_slice, last_h = 0;
4034         int                     split, colno, winno, mwin, msize, mscale;
4035         int                     remain, missing, v_slice, reconfigure = 0;
4036         int                     bordered = 1;
4037
4038         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
4039             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
4040
4041         winno = count_win(ws, 0);
4042         if (winno == 0 && count_win(ws, 1) == 0)
4043                 return;
4044
4045         TAILQ_FOREACH(win, &ws->winlist, entry)
4046                 if (!win->transient && !win->floating && !win->iconic)
4047                         break;
4048
4049         if (win == NULL)
4050                 goto notiles;
4051
4052         if (rot) {
4053                 w_inc = win->sh.width_inc;
4054                 w_base = win->sh.base_width;
4055                 mwin = ws->l_state.horizontal_mwin;
4056                 mscale = ws->l_state.horizontal_msize;
4057                 stacks = ws->l_state.horizontal_stacks;
4058                 SWAPXY(&r_g);
4059         } else {
4060                 w_inc = win->sh.height_inc;
4061                 w_base = win->sh.base_height;
4062                 mwin = ws->l_state.vertical_mwin;
4063                 mscale = ws->l_state.vertical_msize;
4064                 stacks = ws->l_state.vertical_stacks;
4065         }
4066         win_g = r_g;
4067
4068         if (stacks > winno - mwin)
4069                 stacks = winno - mwin;
4070         if (stacks < 1)
4071                 stacks = 1;
4072
4073         h_slice = r_g.h / SWM_H_SLICE;
4074         if (mwin && winno > mwin) {
4075                 v_slice = r_g.w / SWM_V_SLICE;
4076
4077                 split = mwin;
4078                 colno = split;
4079                 win_g.w = v_slice * mscale;
4080
4081                 if (w_inc > 1 && w_inc < v_slice) {
4082                         /* adjust for window's requested size increment */
4083                         remain = (win_g.w - w_base) % w_inc;
4084                         win_g.w -= remain;
4085                 }
4086
4087                 msize = win_g.w;
4088                 if (flip)
4089                         win_g.x += r_g.w - msize;
4090         } else {
4091                 msize = -2;
4092                 colno = split = winno / stacks;
4093                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
4094                     2 * border_width) / stacks);
4095         }
4096         hrh = r_g.h / colno;
4097         extra = r_g.h - (colno * hrh);
4098         win_g.h = hrh - 2 * border_width;
4099
4100         /*  stack all the tiled windows */
4101         i = j = 0, s = stacks;
4102         TAILQ_FOREACH(win, &ws->winlist, entry) {
4103                 if (win->transient || win->floating)
4104                         continue;
4105                 if (win->iconic)
4106                         continue;
4107
4108                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4109                         fs_win = win;
4110                         continue;
4111                 }
4112
4113                 if (split && i == split) {
4114                         colno = (winno - mwin) / stacks;
4115                         if (s <= (winno - mwin) % stacks)
4116                                 colno++;
4117                         split = split + colno;
4118                         hrh = (r_g.h / colno);
4119                         extra = r_g.h - (colno * hrh);
4120                         if (flip)
4121                                 win_g.x = r_g.x;
4122                         else
4123                                 win_g.x += win_g.w + 2 * border_width;
4124                         win_g.w = (r_g.w - msize -
4125                             (stacks * 2 * border_width)) / stacks;
4126                         if (s == 1)
4127                                 win_g.w += (r_g.w - msize -
4128                                     (stacks * 2 * border_width)) % stacks;
4129                         s--;
4130                         j = 0;
4131                 }
4132                 win_g.h = hrh - 2 * border_width;
4133                 if (rot) {
4134                         h_inc = win->sh.width_inc;
4135                         h_base = win->sh.base_width;
4136                 } else {
4137                         h_inc = win->sh.height_inc;
4138                         h_base = win->sh.base_height;
4139                 }
4140                 if (j == colno - 1) {
4141                         win_g.h = hrh + extra;
4142                 } else if (h_inc > 1 && h_inc < h_slice) {
4143                         /* adjust for window's requested size increment */
4144                         remain = (win_g.h - h_base) % h_inc;
4145                         missing = h_inc - remain;
4146
4147                         if (missing <= extra || j == 0) {
4148                                 extra -= missing;
4149                                 win_g.h += missing;
4150                         } else {
4151                                 win_g.h -= remain;
4152                                 extra += remain;
4153                         }
4154                 }
4155
4156                 if (j == 0)
4157                         win_g.y = r_g.y;
4158                 else
4159                         win_g.y += last_h + 2 * border_width;
4160
4161                 if (disable_border && !(bar_enabled && ws->bar_enabled) &&
4162                     winno == 1){
4163                         bordered = 0;
4164                         win_g.w += 2 * border_width;
4165                         win_g.h += 2 * border_width;
4166                 } else {
4167                         bordered = 1;
4168                 }
4169                 if (rot) {
4170                         if (X(win) != win_g.y || Y(win) != win_g.x ||
4171                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
4172                                 reconfigure = 1;
4173                                 X(win) = win_g.y;
4174                                 Y(win) = win_g.x;
4175                                 WIDTH(win) = win_g.h;
4176                                 HEIGHT(win) = win_g.w;
4177                         }
4178                 } else {
4179                         if (X(win) != win_g.x || Y(win) != win_g.y ||
4180                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
4181                                 reconfigure = 1;
4182                                 X(win) = win_g.x;
4183                                 Y(win) = win_g.y;
4184                                 WIDTH(win) = win_g.w;
4185                                 HEIGHT(win) = win_g.h;
4186                         }
4187                 }
4188
4189                 if (bordered != win->bordered) {
4190                         reconfigure = 1;
4191                         win->bordered = bordered;
4192                 }
4193
4194                 if (reconfigure) {
4195                         adjust_font(win);
4196                         update_window(win);
4197                 }
4198
4199                 map_window(win);
4200
4201                 last_h = win_g.h;
4202                 i++;
4203                 j++;
4204         }
4205
4206 notiles:
4207         /* now, stack all the floaters and transients */
4208         TAILQ_FOREACH(win, &ws->winlist, entry) {
4209                 if (!win->transient && !win->floating)
4210                         continue;
4211                 if (win->iconic)
4212                         continue;
4213                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4214                         fs_win = win;
4215                         continue;
4216                 }
4217
4218                 stack_floater(win, ws->r);
4219                 map_window(win);
4220         }
4221
4222         /* Make sure fs_win is stacked last so it's on top. */
4223         if (fs_win) {
4224                 stack_floater(fs_win, ws->r);
4225                 map_window(fs_win);
4226         }
4227 }
4228
4229 void
4230 vertical_config(struct workspace *ws, int id)
4231 {
4232         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
4233             id, ws->idx);
4234
4235         switch (id) {
4236         case SWM_ARG_ID_STACKRESET:
4237         case SWM_ARG_ID_STACKINIT:
4238                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
4239                 ws->l_state.vertical_mwin = 1;
4240                 ws->l_state.vertical_stacks = 1;
4241                 break;
4242         case SWM_ARG_ID_MASTERSHRINK:
4243                 if (ws->l_state.vertical_msize > 1)
4244                         ws->l_state.vertical_msize--;
4245                 break;
4246         case SWM_ARG_ID_MASTERGROW:
4247                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
4248                         ws->l_state.vertical_msize++;
4249                 break;
4250         case SWM_ARG_ID_MASTERADD:
4251                 ws->l_state.vertical_mwin++;
4252                 break;
4253         case SWM_ARG_ID_MASTERDEL:
4254                 if (ws->l_state.vertical_mwin > 0)
4255                         ws->l_state.vertical_mwin--;
4256                 break;
4257         case SWM_ARG_ID_STACKINC:
4258                 ws->l_state.vertical_stacks++;
4259                 break;
4260         case SWM_ARG_ID_STACKDEC:
4261                 if (ws->l_state.vertical_stacks > 1)
4262                         ws->l_state.vertical_stacks--;
4263                 break;
4264         case SWM_ARG_ID_FLIPLAYOUT:
4265                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
4266                 break;
4267         default:
4268                 return;
4269         }
4270 }
4271
4272 void
4273 vertical_stack(struct workspace *ws, struct swm_geometry *g)
4274 {
4275         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
4276
4277         stack_master(ws, g, 0, ws->l_state.vertical_flip);
4278 }
4279
4280 void
4281 horizontal_config(struct workspace *ws, int id)
4282 {
4283         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
4284
4285         switch (id) {
4286         case SWM_ARG_ID_STACKRESET:
4287         case SWM_ARG_ID_STACKINIT:
4288                 ws->l_state.horizontal_mwin = 1;
4289                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
4290                 ws->l_state.horizontal_stacks = 1;
4291                 break;
4292         case SWM_ARG_ID_MASTERSHRINK:
4293                 if (ws->l_state.horizontal_msize > 1)
4294                         ws->l_state.horizontal_msize--;
4295                 break;
4296         case SWM_ARG_ID_MASTERGROW:
4297                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
4298                         ws->l_state.horizontal_msize++;
4299                 break;
4300         case SWM_ARG_ID_MASTERADD:
4301                 ws->l_state.horizontal_mwin++;
4302                 break;
4303         case SWM_ARG_ID_MASTERDEL:
4304                 if (ws->l_state.horizontal_mwin > 0)
4305                         ws->l_state.horizontal_mwin--;
4306                 break;
4307         case SWM_ARG_ID_STACKINC:
4308                 ws->l_state.horizontal_stacks++;
4309                 break;
4310         case SWM_ARG_ID_STACKDEC:
4311                 if (ws->l_state.horizontal_stacks > 1)
4312                         ws->l_state.horizontal_stacks--;
4313                 break;
4314         case SWM_ARG_ID_FLIPLAYOUT:
4315                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
4316                 break;
4317         default:
4318                 return;
4319         }
4320 }
4321
4322 void
4323 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
4324 {
4325         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
4326
4327         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
4328 }
4329
4330 /* fullscreen view */
4331 void
4332 max_stack(struct workspace *ws, struct swm_geometry *g)
4333 {
4334         struct swm_geometry     gg = *g;
4335         struct ws_win           *w, *win = NULL, *parent = NULL;
4336         int                     winno, num_screens;
4337
4338         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
4339
4340         if (ws == NULL)
4341                 return;
4342
4343         winno = count_win(ws, 0);
4344         if (winno == 0 && count_win(ws, 1) == 0)
4345                 return;
4346
4347         /* Figure out which top level window should be visible. */
4348         if (ws->focus_pending)
4349                 win = ws->focus_pending;
4350         else if (ws->focus)
4351                 win = ws->focus;
4352         else
4353                 win = TAILQ_FIRST(&ws->winlist);
4354
4355         if (win->transient)
4356                 parent = find_window(win->transient);
4357
4358         DNPRINTF(SWM_D_STACK, "max_stack: win: 0x%x\n", win->id);
4359
4360         /* maximize all top level windows */
4361         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
4362         TAILQ_FOREACH(w, &ws->winlist, entry) {
4363                 if (w->transient || w->iconic)
4364                         continue;
4365
4366                 if (w->floating && !w->floatmaxed) {
4367                         /*
4368                          * retain geometry for retrieval on exit from
4369                          * max_stack mode
4370                          */
4371                         store_float_geom(w, ws->r);
4372                         w->floatmaxed = 1;
4373                 }
4374
4375                 /* only reconfigure if necessary */
4376                 if (X(w) != gg.x || Y(w) != gg.y || WIDTH(w) != gg.w ||
4377                     HEIGHT(w) != gg.h) {
4378                         w->g = gg;
4379                         if (bar_enabled && ws->bar_enabled){
4380                                 w->bordered = 1;
4381                         } else {
4382                                 w->bordered = 0;
4383                                 WIDTH(w) += 2 * border_width;
4384                                 HEIGHT(w) += 2 * border_width;
4385                         }
4386
4387                         update_window(w);
4388                 }
4389
4390                 /* Unmap unwanted windows if not multi-screen. */
4391                 if (num_screens <= 1 && outputs <= 1 && w != win &&
4392                     w != parent && w->transient != win->id)
4393                         unmap_window(w);
4394         }
4395
4396         /* If a parent exists, map it first. */
4397         if (parent) {
4398                 map_window(parent);
4399
4400                 /* Map siblings next. */
4401                 TAILQ_FOREACH(w, &ws->winlist, entry)
4402                         if (w != win && !w->iconic &&
4403                             w->transient == parent->id) {
4404                                 stack_floater(w, ws->r);
4405                                 map_window(w);
4406                         }
4407         }
4408
4409         /* Map focused window. */
4410         map_window(win);
4411
4412         /* Finally, map children of focus window. */
4413         TAILQ_FOREACH(w, &ws->winlist, entry)
4414                 if (w->transient == win->id && !w->iconic) {
4415                         stack_floater(w, ws->r);
4416                         map_window(w);
4417                 }
4418 }
4419
4420 void
4421 send_to_ws(struct swm_region *r, union arg *args)
4422 {
4423         int                     wsid = args->id;
4424         struct ws_win           *win = NULL, *parent;
4425         struct workspace        *ws, *nws, *pws;
4426         char                    ws_idx_str[SWM_PROPLEN];
4427
4428         if (wsid >= workspace_limit)
4429                 return;
4430
4431         if (r && r->ws && r->ws->focus)
4432                 win = r->ws->focus;
4433         else
4434                 return;
4435
4436         if (win->ws->idx == wsid)
4437                 return;
4438
4439         DNPRINTF(SWM_D_MOVE, "send_to_ws: win 0x%x, ws %d -> %d\n", win->id,
4440             win->ws->idx, wsid);
4441
4442         ws = win->ws;
4443         nws = &win->s->ws[wsid];
4444
4445         /* Update the window's workspace property: _SWM_WS */
4446         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
4447                 if (focus_mode != SWM_FOCUS_FOLLOW)
4448                         ws->focus_pending = get_focus_prev(win);
4449
4450                 /* Move the parent if this is a transient window. */
4451                 if (win->transient) {
4452                         parent = find_window(win->transient);
4453                         if (parent) {
4454                                 pws = parent->ws;
4455                                 /* Set new focus in parent's ws if needed. */
4456                                 if (pws->focus == parent) {
4457                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4458                                                 pws->focus_pending =
4459                                                     get_focus_prev(parent);
4460
4461                                         unfocus_win(parent);
4462
4463                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4464                                                 pws->focus = pws->focus_pending;
4465
4466                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4467                                                 pws->focus_pending = NULL;
4468                                 }
4469
4470                                 /* Don't unmap parent if new ws is visible */
4471                                 if (nws->r == NULL)
4472                                         unmap_window(parent);
4473
4474                                 /* Transfer */
4475                                 TAILQ_REMOVE(&ws->winlist, parent, entry);
4476                                 TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
4477                                 parent->ws = nws;
4478
4479                                 DNPRINTF(SWM_D_PROP, "send_to_ws: set "
4480                                     "property: _SWM_WS: %s\n", ws_idx_str);
4481                                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE,
4482                                     parent->id, a_swm_ws, XCB_ATOM_STRING, 8,
4483                                     strlen(ws_idx_str), ws_idx_str);
4484                         }
4485                 }
4486
4487                 unfocus_win(win);
4488
4489                 /* Don't unmap if new ws is visible */
4490                 if (nws->r == NULL)
4491                         unmap_window(win);
4492
4493                 /* Transfer */
4494                 TAILQ_REMOVE(&ws->winlist, win, entry);
4495                 TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
4496                 win->ws = nws;
4497
4498                 /* Set focus on new ws. */
4499                 unfocus_win(nws->focus);
4500                 nws->focus = win;
4501
4502                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
4503                     ws_idx_str);
4504                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
4505                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
4506                     ws_idx_str);
4507
4508                 /* Restack and set new focus. */
4509                 stack();
4510
4511                 if (focus_mode != SWM_FOCUS_FOLLOW) {
4512                         focus_win(ws->focus_pending);
4513                         ws->focus_pending = NULL;
4514                 }
4515
4516                 focus_flush();
4517         }
4518
4519         DNPRINTF(SWM_D_MOVE, "send_to_ws: done.\n");
4520 }
4521
4522 void
4523 pressbutton(struct swm_region *r, union arg *args)
4524 {
4525         /* suppress unused warning since var is needed */
4526         (void)r;
4527
4528         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
4529             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4530         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
4531             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4532 }
4533
4534 void
4535 raise_toggle(struct swm_region *r, union arg *args)
4536 {
4537         /* suppress unused warning since var is needed */
4538         (void)args;
4539
4540         if (r == NULL || r->ws == NULL)
4541                 return;
4542
4543         r->ws->always_raise = !r->ws->always_raise;
4544
4545         /* bring floaters back to top */
4546         if (!r->ws->always_raise)
4547                 stack();
4548
4549         focus_flush();
4550 }
4551
4552 void
4553 iconify(struct swm_region *r, union arg *args)
4554 {
4555         /* suppress unused warning since var is needed */
4556         (void)args;
4557
4558         if (r->ws->focus == NULL)
4559                 return;
4560
4561         set_swm_iconic(r->ws->focus, 1);
4562
4563         xcb_flush(conn);
4564 }
4565
4566 char *
4567 get_win_name(xcb_window_t win)
4568 {
4569         char                            *name = NULL;
4570         xcb_get_property_cookie_t       c;
4571         xcb_get_property_reply_t        *r;
4572
4573         /* First try _NET_WM_NAME for UTF-8. */
4574         c = xcb_get_property(conn, 0, win, a_netwmname,
4575             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4576         r = xcb_get_property_reply(conn, c, NULL);
4577
4578         if (r) {
4579                 if (r->type == XCB_NONE) {
4580                         free(r);
4581                         /* Use WM_NAME instead; no UTF-8. */
4582                         c = xcb_get_property(conn, 0, win, XCB_ATOM_WM_NAME,
4583                                 XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4584                         r = xcb_get_property_reply(conn, c, NULL);
4585
4586                         if (!r)
4587                                 return (NULL);
4588                         if (r->type == XCB_NONE) {
4589                                 free(r);
4590                                 return (NULL);
4591                         }
4592                 }
4593                 if (r->length > 0)
4594                         name = strndup(xcb_get_property_value(r),
4595                                    xcb_get_property_value_length(r));
4596
4597                 free(r);
4598         }
4599
4600         return (name);
4601 }
4602
4603 void
4604 uniconify(struct swm_region *r, union arg *args)
4605 {
4606         struct ws_win           *win;
4607         FILE                    *lfile;
4608         char                    *name;
4609         int                     count = 0;
4610
4611         DNPRINTF(SWM_D_MISC, "uniconify\n");
4612
4613         if (r == NULL || r->ws == NULL)
4614                 return;
4615
4616         /* make sure we have anything to uniconify */
4617         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4618                 if (win->ws == NULL)
4619                         continue; /* should never happen */
4620                 if (!win->iconic)
4621                         continue;
4622                 count++;
4623         }
4624         if (count == 0)
4625                 return;
4626
4627         search_r = r;
4628         search_resp_action = SWM_SEARCH_UNICONIFY;
4629
4630         spawn_select(r, args, "search", &searchpid);
4631
4632         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4633                 return;
4634
4635         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4636                 if (win->ws == NULL)
4637                         continue; /* should never happen */
4638                 if (!win->iconic)
4639                         continue;
4640
4641                 name = get_win_name(win->id);
4642                 if (name == NULL)
4643                         continue;
4644                 fprintf(lfile, "%s.%u\n", name, win->id);
4645                 free(name);
4646         }
4647
4648         fclose(lfile);
4649 }
4650
4651 void
4652 name_workspace(struct swm_region *r, union arg *args)
4653 {
4654         FILE                    *lfile;
4655
4656         DNPRINTF(SWM_D_MISC, "name_workspace\n");
4657
4658         if (r == NULL)
4659                 return;
4660
4661         search_r = r;
4662         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
4663
4664         spawn_select(r, args, "name_workspace", &searchpid);
4665
4666         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4667                 return;
4668
4669         fprintf(lfile, "%s", "");
4670         fclose(lfile);
4671 }
4672
4673 void
4674 search_workspace(struct swm_region *r, union arg *args)
4675 {
4676         int                     i;
4677         struct workspace        *ws;
4678         FILE                    *lfile;
4679
4680         DNPRINTF(SWM_D_MISC, "search_workspace\n");
4681
4682         if (r == NULL)
4683                 return;
4684
4685         search_r = r;
4686         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
4687
4688         spawn_select(r, args, "search", &searchpid);
4689
4690         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4691                 return;
4692
4693         for (i = 0; i < workspace_limit; i++) {
4694                 ws = &r->s->ws[i];
4695                 if (ws == NULL)
4696                         continue;
4697                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
4698                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
4699         }
4700
4701         fclose(lfile);
4702 }
4703
4704 void
4705 search_win_cleanup(void)
4706 {
4707         struct search_window    *sw = NULL;
4708
4709         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
4710                 xcb_destroy_window(conn, sw->indicator);
4711                 TAILQ_REMOVE(&search_wl, sw, entry);
4712                 free(sw);
4713         }
4714 }
4715
4716 void
4717 search_win(struct swm_region *r, union arg *args)
4718 {
4719         struct ws_win           *win = NULL;
4720         struct search_window    *sw = NULL;
4721         xcb_window_t            w;
4722         uint32_t                wa[2];
4723         int                     i, width, height;
4724         char                    s[8];
4725         FILE                    *lfile;
4726         size_t                  len;
4727         XftDraw                 *draw;
4728         XGlyphInfo              info;
4729         GC                      l_draw;
4730         XGCValues               l_gcv;
4731         XRectangle              l_ibox, l_lbox;
4732
4733         DNPRINTF(SWM_D_MISC, "search_win\n");
4734
4735         search_r = r;
4736         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
4737
4738         spawn_select(r, args, "search", &searchpid);
4739
4740         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4741                 return;
4742
4743         TAILQ_INIT(&search_wl);
4744
4745         i = 1;
4746         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4747                 if (win->iconic)
4748                         continue;
4749
4750                 sw = calloc(1, sizeof(struct search_window));
4751                 if (sw == NULL) {
4752                         warn("search_win: calloc");
4753                         fclose(lfile);
4754                         search_win_cleanup();
4755                         return;
4756                 }
4757                 sw->idx = i;
4758                 sw->win = win;
4759
4760                 snprintf(s, sizeof s, "%d", i);
4761                 len = strlen(s);
4762
4763                 w = xcb_generate_id(conn);
4764                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
4765                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].pixel;
4766
4767                 if (bar_font_legacy) {
4768                         XmbTextExtents(bar_fs, s, len, &l_ibox, &l_lbox);
4769                         width = l_lbox.width + 4;
4770                         height = bar_fs_extents->max_logical_extent.height + 4;
4771                 } else {
4772                         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len,
4773                             &info);
4774                         width = info.width + 4;
4775                         height = bar_font->height + 4;
4776                 }
4777
4778                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
4779                     width, height, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
4780                     XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL |
4781                     XCB_CW_BORDER_PIXEL, wa);
4782
4783                 xcb_map_window(conn, w);
4784
4785                 sw->indicator = w;
4786                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
4787
4788                 if (bar_font_legacy) {
4789                         l_gcv.graphics_exposures = 0;
4790                         l_draw = XCreateGC(display, w, 0, &l_gcv);
4791
4792                         XSetForeground(display, l_draw,
4793                                 r->s->c[SWM_S_COLOR_BAR].pixel);
4794
4795                         DRAWSTRING(display, w, bar_fs, l_draw, 2,
4796                             (bar_fs_extents->max_logical_extent.height -
4797                             l_lbox.height) / 2 - l_lbox.y, s, len);
4798
4799                         XFreeGC(display, l_draw);
4800                 } else {
4801
4802                         draw = XftDrawCreate(display, w,
4803                             DefaultVisual(display, r->s->idx),
4804                             DefaultColormap(display, r->s->idx));
4805
4806                         XftDrawStringUtf8(draw, &bar_font_color, bar_font, 2,
4807                             (HEIGHT(r->bar) + bar_font->height) / 2 -
4808                             bar_font->descent, (FcChar8 *)s, len);
4809
4810                         XftDrawDestroy(draw);
4811                 }
4812
4813                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
4814
4815                 fprintf(lfile, "%d\n", i);
4816                 i++;
4817         }
4818
4819         fclose(lfile);
4820
4821         xcb_flush(conn);
4822 }
4823
4824 void
4825 search_resp_uniconify(const char *resp, unsigned long len)
4826 {
4827         char                    *name;
4828         struct ws_win           *win;
4829         char                    *s;
4830
4831         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
4832
4833         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
4834                 if (!win->iconic)
4835                         continue;
4836                 name = get_win_name(win->id);
4837                 if (name == NULL)
4838                         continue;
4839                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
4840                         free(name);
4841                         continue;
4842                 }
4843                 free(name);
4844                 if (strncmp(s, resp, len) == 0) {
4845                         /* XXX this should be a callback to generalize */
4846                         set_swm_iconic(win, 0);
4847                         free(s);
4848                         break;
4849                 }
4850                 free(s);
4851         }
4852 }
4853
4854 void
4855 search_resp_name_workspace(const char *resp, unsigned long len)
4856 {
4857         struct workspace        *ws;
4858
4859         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
4860
4861         if (search_r->ws == NULL)
4862                 return;
4863         ws = search_r->ws;
4864
4865         if (ws->name) {
4866                 free(search_r->ws->name);
4867                 search_r->ws->name = NULL;
4868         }
4869
4870         if (len > 1) {
4871                 ws->name = strdup(resp);
4872                 if (ws->name == NULL) {
4873                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
4874                             "strdup: %s", strerror(errno));
4875                         return;
4876                 }
4877         }
4878 }
4879
4880 void
4881 search_resp_search_workspace(const char *resp)
4882 {
4883         char                    *p, *q;
4884         int                     ws_idx;
4885         const char              *errstr;
4886         union arg               a;
4887
4888         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
4889
4890         q = strdup(resp);
4891         if (!q) {
4892                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
4893                     strerror(errno));
4894                 return;
4895         }
4896         p = strchr(q, ':');
4897         if (p != NULL)
4898                 *p = '\0';
4899         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
4900         if (errstr) {
4901                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4902                     errstr, q);
4903                 free(q);
4904                 return;
4905         }
4906         free(q);
4907         a.id = ws_idx - 1;
4908         switchws(search_r, &a);
4909 }
4910
4911 void
4912 search_resp_search_window(const char *resp)
4913 {
4914         char                    *s;
4915         int                     idx;
4916         const char              *errstr;
4917         struct search_window    *sw;
4918
4919         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4920
4921         s = strdup(resp);
4922         if (!s) {
4923                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4924                     strerror(errno));
4925                 return;
4926         }
4927
4928         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
4929         if (errstr) {
4930                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4931                     errstr, s);
4932                 free(s);
4933                 return;
4934         }
4935         free(s);
4936
4937         TAILQ_FOREACH(sw, &search_wl, entry)
4938                 if (idx == sw->idx) {
4939                         focus_win(sw->win);
4940                         break;
4941                 }
4942 }
4943
4944 #define MAX_RESP_LEN    1024
4945
4946 void
4947 search_do_resp(void)
4948 {
4949         ssize_t                 rbytes;
4950         char                    *resp;
4951         unsigned long           len;
4952
4953         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4954
4955         search_resp = 0;
4956         searchpid = 0;
4957
4958         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4959                 warn("search: calloc");
4960                 goto done;
4961         }
4962
4963         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4964         if (rbytes <= 0) {
4965                 warn("search: read error");
4966                 goto done;
4967         }
4968         resp[rbytes] = '\0';
4969
4970         /* XXX:
4971          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4972          * newline, so work around that by sanitizing the resp now.
4973          */
4974         resp[strcspn(resp, "\n")] = '\0';
4975         len = strlen(resp);
4976
4977         switch (search_resp_action) {
4978         case SWM_SEARCH_UNICONIFY:
4979                 search_resp_uniconify(resp, len);
4980                 break;
4981         case SWM_SEARCH_NAME_WORKSPACE:
4982                 search_resp_name_workspace(resp, len);
4983                 break;
4984         case SWM_SEARCH_SEARCH_WORKSPACE:
4985                 search_resp_search_workspace(resp);
4986                 break;
4987         case SWM_SEARCH_SEARCH_WINDOW:
4988                 search_resp_search_window(resp);
4989                 break;
4990         }
4991
4992 done:
4993         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4994                 search_win_cleanup();
4995
4996         search_resp_action = SWM_SEARCH_NONE;
4997         close(select_resp_pipe[0]);
4998         free(resp);
4999
5000         xcb_flush(conn);
5001 }
5002
5003 void
5004 wkill(struct swm_region *r, union arg *args)
5005 {
5006         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
5007
5008         if (r->ws->focus == NULL)
5009                 return;
5010
5011         if (args->id == SWM_ARG_ID_KILLWINDOW)
5012                 xcb_kill_client(conn, r->ws->focus->id);
5013         else
5014                 if (r->ws->focus->can_delete)
5015                         client_msg(r->ws->focus, a_delete, 0);
5016
5017         focus_flush();
5018 }
5019
5020 int
5021 floating_toggle_win(struct ws_win *win)
5022 {
5023         struct swm_region       *r;
5024
5025         if (win == NULL)
5026                 return (0);
5027
5028         if (!win->ws->r)
5029                 return (0);
5030
5031         r = win->ws->r;
5032
5033         /* reject floating toggles in max stack mode */
5034         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
5035                 return (0);
5036
5037         if (win->floating) {
5038                 if (!win->floatmaxed) {
5039                         /* retain position for refloat */
5040                         store_float_geom(win, r);
5041                 }
5042                 win->floating = 0;
5043         } else {
5044                 load_float_geom(win, r);
5045                 win->floating = 1;
5046         }
5047
5048         ewmh_update_actions(win);
5049
5050         return (1);
5051 }
5052
5053 void
5054 floating_toggle(struct swm_region *r, union arg *args)
5055 {
5056         struct ws_win           *win = r->ws->focus;
5057
5058         /* suppress unused warning since var is needed */
5059         (void)args;
5060
5061         if (win == NULL)
5062                 return;
5063
5064         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5065                 return;
5066
5067         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5068             _NET_WM_STATE_TOGGLE);
5069
5070         stack();
5071
5072         if (win == win->ws->focus)
5073                 focus_win(win);
5074
5075         focus_flush();
5076 }
5077
5078 void
5079 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
5080 {
5081         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
5082                 if (resizable)
5083                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
5084                 else
5085                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
5086         }
5087
5088         if (X(win) + BORDER(win) < X(r)) {
5089                 if (resizable)
5090                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
5091
5092                 X(win) = X(r) - BORDER(win);
5093         }
5094
5095         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
5096                 if (resizable)
5097                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
5098                 else
5099                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
5100         }
5101
5102         if (Y(win) + BORDER(win) < Y(r)) {
5103                 if (resizable)
5104                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
5105
5106                 Y(win) = Y(r) - BORDER(win);
5107         }
5108
5109         if (resizable) {
5110                 if (WIDTH(win) < 1)
5111                         WIDTH(win) = 1;
5112                 if (HEIGHT(win) < 1)
5113                         HEIGHT(win) = 1;
5114         }
5115 }
5116
5117 void
5118 update_window(struct ws_win *win)
5119 {
5120         uint16_t        mask;
5121         uint32_t        wc[5];
5122
5123         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
5124             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
5125             XCB_CONFIG_WINDOW_BORDER_WIDTH;
5126         wc[0] = X(win);
5127         wc[1] = Y(win);
5128         wc[2] = WIDTH(win);
5129         wc[3] = HEIGHT(win);
5130         wc[4] = BORDER(win);
5131
5132         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
5133             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
5134             wc[3], YESNO(win->bordered));
5135
5136         xcb_configure_window(conn, win->id, mask, wc);
5137 }
5138
5139 #define SWM_RESIZE_STEPS        (50)
5140
5141 void
5142 resize(struct ws_win *win, union arg *args)
5143 {
5144         xcb_timestamp_t         timestamp = 0;
5145         struct swm_region       *r = NULL;
5146         int                     resize_stp = 0;
5147         struct swm_geometry     g;
5148         int                     top = 0, left = 0, resizing;
5149         int                     dx, dy;
5150         xcb_cursor_t                    cursor;
5151         xcb_query_pointer_reply_t       *xpr;
5152         xcb_generic_event_t             *evt;
5153         xcb_motion_notify_event_t       *mne;
5154
5155         if (win == NULL)
5156                 return;
5157         r = win->ws->r;
5158
5159         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5160                 return;
5161
5162         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
5163             "transient: 0x%x\n", win->id, YESNO(win->floating),
5164             win->transient);
5165
5166         if (!win->transient && !win->floating)
5167                 return;
5168
5169         /* reject resizes in max mode for floaters (transient ok) */
5170         if (win->floatmaxed)
5171                 return;
5172
5173         win->manual = 1;
5174         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5175             _NET_WM_STATE_ADD);
5176
5177         stack();
5178
5179         focus_flush();
5180
5181         switch (args->id) {
5182         case SWM_ARG_ID_WIDTHSHRINK:
5183                 WIDTH(win) -= SWM_RESIZE_STEPS;
5184                 resize_stp = 1;
5185                 break;
5186         case SWM_ARG_ID_WIDTHGROW:
5187                 WIDTH(win) += SWM_RESIZE_STEPS;
5188                 resize_stp = 1;
5189                 break;
5190         case SWM_ARG_ID_HEIGHTSHRINK:
5191                 HEIGHT(win) -= SWM_RESIZE_STEPS;
5192                 resize_stp = 1;
5193                 break;
5194         case SWM_ARG_ID_HEIGHTGROW:
5195                 HEIGHT(win) += SWM_RESIZE_STEPS;
5196                 resize_stp = 1;
5197                 break;
5198         default:
5199                 break;
5200         }
5201         if (resize_stp) {
5202                 constrain_window(win, r, 1);
5203                 update_window(win);
5204                 store_float_geom(win,r);
5205                 return;
5206         }
5207
5208         /* get cursor offset from window root */
5209         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5210             NULL);
5211         if (!xpr)
5212                 return;
5213
5214         g = win->g;
5215
5216         if (xpr->win_x < WIDTH(win) / 2)
5217                 left = 1;
5218
5219         if (xpr->win_y < HEIGHT(win) / 2)
5220                 top = 1;
5221
5222         if (args->id == SWM_ARG_ID_CENTER)
5223                 cursor = cursors[XC_SIZING].cid;
5224         else if (top)
5225                 cursor = cursors[left ? XC_TOP_LEFT_CORNER :
5226                     XC_TOP_RIGHT_CORNER].cid;
5227         else
5228                 cursor = cursors[left ? XC_BOTTOM_LEFT_CORNER :
5229                     XC_BOTTOM_RIGHT_CORNER].cid;
5230
5231         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5232             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
5233             XCB_CURRENT_TIME),
5234
5235         xcb_flush(conn);
5236         resizing = 1;
5237         while ((evt = xcb_wait_for_event(conn)) && resizing) {
5238                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5239                 case XCB_BUTTON_RELEASE:
5240                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
5241                         resizing = 0;
5242                         break;
5243                 case XCB_MOTION_NOTIFY:
5244                         mne = (xcb_motion_notify_event_t *)evt;
5245                         /* cursor offset/delta from start of the operation */
5246                         dx = mne->root_x - xpr->root_x;
5247                         dy = mne->root_y - xpr->root_y;
5248
5249                         /* vertical */
5250                         if (top)
5251                                 dy = -dy;
5252
5253                         if (args->id == SWM_ARG_ID_CENTER) {
5254                                 if (g.h / 2 + dy < 1)
5255                                         dy = 1 - g.h / 2;
5256
5257                                 Y(win) = g.y - dy;
5258                                 HEIGHT(win) = g.h + 2 * dy;
5259                         } else {
5260                                 if (g.h + dy < 1)
5261                                         dy = 1 - g.h;
5262
5263                                 if (top)
5264                                         Y(win) = g.y - dy;
5265
5266                                 HEIGHT(win) = g.h + dy;
5267                         }
5268
5269                         /* horizontal */
5270                         if (left)
5271                                 dx = -dx;
5272
5273                         if (args->id == SWM_ARG_ID_CENTER) {
5274                                 if (g.w / 2 + dx < 1)
5275                                         dx = 1 - g.w / 2;
5276
5277                                 X(win) = g.x - dx;
5278                                 WIDTH(win) = g.w + 2 * dx;
5279                         } else {
5280                                 if (g.w + dx < 1)
5281                                         dx = 1 - g.w;
5282
5283                                 if (left)
5284                                         X(win) = g.x - dx;
5285
5286                                 WIDTH(win) = g.w + dx;
5287                         }
5288
5289                         constrain_window(win, r, 1);
5290
5291                         /* not free, don't sync more than 120 times / second */
5292                         if ((mne->time - timestamp) > (1000 / 120) ) {
5293                                 timestamp = mne->time;
5294                                 update_window(win);
5295                                 xcb_flush(conn);
5296                         }
5297                         break;
5298                 default:
5299                         event_handle(evt);
5300                         break;
5301                 }
5302                 free(evt);
5303         }
5304         if (timestamp) {
5305                 update_window(win);
5306                 xcb_flush(conn);
5307         }
5308         store_float_geom(win,r);
5309
5310         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5311         free(xpr);
5312         DNPRINTF(SWM_D_EVENT, "resize: done.\n");
5313 }
5314
5315 void
5316 resize_step(struct swm_region *r, union arg *args)
5317 {
5318         struct ws_win           *win = NULL;
5319
5320         if (r && r->ws && r->ws->focus)
5321                 win = r->ws->focus;
5322         else
5323                 return;
5324
5325         resize(win, args);
5326         focus_flush();
5327 }
5328
5329 #define SWM_MOVE_STEPS  (50)
5330
5331 void
5332 move(struct ws_win *win, union arg *args)
5333 {
5334         xcb_timestamp_t         timestamp = 0;
5335         int                     move_stp = 0, moving;
5336         struct swm_region       *r = NULL;
5337         xcb_query_pointer_reply_t       *qpr;
5338         xcb_generic_event_t             *evt;
5339         xcb_motion_notify_event_t       *mne;
5340
5341         if (win == NULL)
5342                 return;
5343         r = win->ws->r;
5344
5345         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5346                 return;
5347
5348         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
5349             "0x%x\n", win->id, YESNO(win->floating), win->transient);
5350
5351         /* in max_stack mode should only move transients */
5352         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
5353                 return;
5354
5355         win->manual = 1;
5356         if (!win->floating && !win->transient) {
5357                 store_float_geom(win, r);
5358                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5359                     _NET_WM_STATE_ADD);
5360         }
5361         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5362             _NET_WM_STATE_ADD);
5363
5364         stack();
5365
5366         focus_flush();
5367
5368         move_stp = 0;
5369         switch (args->id) {
5370         case SWM_ARG_ID_MOVELEFT:
5371                 X(win) -= (SWM_MOVE_STEPS - border_width);
5372                 move_stp = 1;
5373                 break;
5374         case SWM_ARG_ID_MOVERIGHT:
5375                 X(win) += (SWM_MOVE_STEPS - border_width);
5376                 move_stp = 1;
5377                 break;
5378         case SWM_ARG_ID_MOVEUP:
5379                 Y(win) -= (SWM_MOVE_STEPS - border_width);
5380                 move_stp = 1;
5381                 break;
5382         case SWM_ARG_ID_MOVEDOWN:
5383                 Y(win) += (SWM_MOVE_STEPS - border_width);
5384                 move_stp = 1;
5385                 break;
5386         default:
5387                 break;
5388         }
5389         if (move_stp) {
5390                 constrain_window(win, r, 0);
5391                 update_window(win);
5392                 store_float_geom(win, r);
5393                 return;
5394         }
5395
5396         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5397             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
5398             XCB_WINDOW_NONE, cursors[XC_FLEUR].cid, XCB_CURRENT_TIME);
5399
5400         /* get cursor offset from window root */
5401         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5402                 NULL);
5403         if (!qpr) {
5404                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5405                 return;
5406         }
5407
5408         xcb_flush(conn);
5409         moving = 1;
5410         while ((evt = xcb_wait_for_event(conn)) && moving) {
5411                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5412                 case XCB_BUTTON_RELEASE:
5413                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
5414                         moving = 0;
5415                         break;
5416                 case XCB_MOTION_NOTIFY:
5417                         mne = (xcb_motion_notify_event_t *)evt;
5418                         X(win) = mne->root_x - qpr->win_x - border_width;
5419                         Y(win) = mne->root_y - qpr->win_y - border_width;
5420
5421                         constrain_window(win, r, 0);
5422
5423                         /* not free, don't sync more than 120 times / second */
5424                         if ((mne->time - timestamp) > (1000 / 120) ) {
5425                                 timestamp = mne->time;
5426                                 update_window(win);
5427                                 xcb_flush(conn);
5428                         }
5429                         break;
5430                 default:
5431                         event_handle(evt);
5432                         break;
5433                 }
5434                 free(evt);
5435         }
5436         if (timestamp) {
5437                 update_window(win);
5438                 xcb_flush(conn);
5439         }
5440         store_float_geom(win, r);
5441         free(qpr);
5442         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5443         DNPRINTF(SWM_D_EVENT, "move: done.\n");
5444 }
5445
5446 void
5447 move_step(struct swm_region *r, union arg *args)
5448 {
5449         struct ws_win           *win = NULL;
5450
5451         if (r && r->ws && r->ws->focus)
5452                 win = r->ws->focus;
5453         else
5454                 return;
5455
5456         if (!win->transient && !win->floating)
5457                 return;
5458
5459         move(win, args);
5460         focus_flush();
5461 }
5462
5463 /* key definitions */
5464 struct keyfunc {
5465         char                    name[SWM_FUNCNAME_LEN];
5466         void                    (*func)(struct swm_region *r, union arg *);
5467         union arg               args;
5468 } keyfuncs[KF_INVALID + 1] = {
5469         /* name                 function        argument */
5470         { "bar_toggle",         bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE} },
5471         { "bar_toggle_ws",      bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE_WS} },
5472         { "button2",            pressbutton,    {2} },
5473         { "cycle_layout",       cycle_layout,   {0} },
5474         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
5475         { "float_toggle",       floating_toggle,{0} },
5476         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
5477         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
5478         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
5479         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
5480         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
5481         { "iconify",            iconify,        {0} },
5482         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
5483         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
5484         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
5485         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
5486         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
5487         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
5488         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
5489         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
5490         { "mvws_1",             send_to_ws,     {.id = 0} },
5491         { "mvws_2",             send_to_ws,     {.id = 1} },
5492         { "mvws_3",             send_to_ws,     {.id = 2} },
5493         { "mvws_4",             send_to_ws,     {.id = 3} },
5494         { "mvws_5",             send_to_ws,     {.id = 4} },
5495         { "mvws_6",             send_to_ws,     {.id = 5} },
5496         { "mvws_7",             send_to_ws,     {.id = 6} },
5497         { "mvws_8",             send_to_ws,     {.id = 7} },
5498         { "mvws_9",             send_to_ws,     {.id = 8} },
5499         { "mvws_10",            send_to_ws,     {.id = 9} },
5500         { "mvws_11",            send_to_ws,     {.id = 10} },
5501         { "mvws_12",            send_to_ws,     {.id = 11} },
5502         { "mvws_13",            send_to_ws,     {.id = 12} },
5503         { "mvws_14",            send_to_ws,     {.id = 13} },
5504         { "mvws_15",            send_to_ws,     {.id = 14} },
5505         { "mvws_16",            send_to_ws,     {.id = 15} },
5506         { "mvws_17",            send_to_ws,     {.id = 16} },
5507         { "mvws_18",            send_to_ws,     {.id = 17} },
5508         { "mvws_19",            send_to_ws,     {.id = 18} },
5509         { "mvws_20",            send_to_ws,     {.id = 19} },
5510         { "mvws_21",            send_to_ws,     {.id = 20} },
5511         { "mvws_22",            send_to_ws,     {.id = 21} },
5512         { "name_workspace",     name_workspace, {0} },
5513         { "quit",               quit,           {0} },
5514         { "raise_toggle",       raise_toggle,   {0} },
5515         { "restart",            restart,        {0} },
5516         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
5517         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
5518         { "search_win",         search_win,     {0} },
5519         { "search_workspace",   search_workspace,       {0} },
5520         { "spawn_custom",       NULL,           {0} },
5521         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
5522         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
5523         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
5524         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
5525         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
5526         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
5527         { "uniconify",          uniconify,      {0} },
5528         { "version",            version,        {0} },
5529         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
5530         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
5531         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
5532         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
5533         { "ws_1",               switchws,       {.id = 0} },
5534         { "ws_2",               switchws,       {.id = 1} },
5535         { "ws_3",               switchws,       {.id = 2} },
5536         { "ws_4",               switchws,       {.id = 3} },
5537         { "ws_5",               switchws,       {.id = 4} },
5538         { "ws_6",               switchws,       {.id = 5} },
5539         { "ws_7",               switchws,       {.id = 6} },
5540         { "ws_8",               switchws,       {.id = 7} },
5541         { "ws_9",               switchws,       {.id = 8} },
5542         { "ws_10",              switchws,       {.id = 9} },
5543         { "ws_11",              switchws,       {.id = 10} },
5544         { "ws_12",              switchws,       {.id = 11} },
5545         { "ws_13",              switchws,       {.id = 12} },
5546         { "ws_14",              switchws,       {.id = 13} },
5547         { "ws_15",              switchws,       {.id = 14} },
5548         { "ws_16",              switchws,       {.id = 15} },
5549         { "ws_17",              switchws,       {.id = 16} },
5550         { "ws_18",              switchws,       {.id = 17} },
5551         { "ws_19",              switchws,       {.id = 18} },
5552         { "ws_20",              switchws,       {.id = 19} },
5553         { "ws_21",              switchws,       {.id = 20} },
5554         { "ws_22",              switchws,       {.id = 21} },
5555         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
5556         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
5557         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
5558         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
5559         { "ws_prior",           priorws,        {0} },
5560         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
5561         { "invalid key func",   NULL,           {0} },
5562 };
5563
5564 int
5565 key_cmp(struct key *kp1, struct key *kp2)
5566 {
5567         if (kp1->keysym < kp2->keysym)
5568                 return (-1);
5569         if (kp1->keysym > kp2->keysym)
5570                 return (1);
5571
5572         if (kp1->mod < kp2->mod)
5573                 return (-1);
5574         if (kp1->mod > kp2->mod)
5575                 return (1);
5576
5577         return (0);
5578 }
5579
5580 /* mouse */
5581 enum { client_click, root_click };
5582 struct button {
5583         unsigned int            action;
5584         unsigned int            mask;
5585         unsigned int            button;
5586         void                    (*func)(struct ws_win *, union arg *);
5587         union arg               args;
5588 } buttons[] = {
5589 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
5590           /* action     key             mouse button    func    args */
5591         { client_click, MODKEY,         XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_DONTCENTER} },
5592         { client_click, MODKEY_SHIFT,   XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_CENTER} },
5593         { client_click, MODKEY,         XCB_BUTTON_INDEX_1,     move,   {0} },
5594 #undef MODKEY_SHIFT
5595 };
5596
5597 void
5598 update_modkey(unsigned int mod)
5599 {
5600         int                     i;
5601         struct key              *kp;
5602
5603         mod_key = mod;
5604         RB_FOREACH(kp, key_tree, &keys)
5605                 if (kp->mod & XCB_MOD_MASK_SHIFT)
5606                         kp->mod = mod | XCB_MOD_MASK_SHIFT;
5607                 else
5608                         kp->mod = mod;
5609
5610         for (i = 0; i < LENGTH(buttons); i++)
5611                 if (buttons[i].mask & XCB_MOD_MASK_SHIFT)
5612                         buttons[i].mask = mod | XCB_MOD_MASK_SHIFT;
5613                 else
5614                         buttons[i].mask = mod;
5615 }
5616
5617 int
5618 spawn_expand(struct swm_region *r, union arg *args, const char *spawn_name,
5619     char ***ret_args)
5620 {
5621         struct spawn_prog       *prog = NULL;
5622         int                     i;
5623         char                    *ap, **real_args;
5624
5625         /* suppress unused warning since var is needed */
5626         (void)args;
5627
5628         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
5629
5630         /* find program */
5631         TAILQ_FOREACH(prog, &spawns, entry) {
5632                 if (!strcasecmp(spawn_name, prog->name))
5633                         break;
5634         }
5635         if (prog == NULL) {
5636                 warnx("spawn_custom: program %s not found", spawn_name);
5637                 return (-1);
5638         }
5639
5640         /* make room for expanded args */
5641         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
5642                 err(1, "spawn_custom: calloc real_args");
5643
5644         /* expand spawn_args into real_args */
5645         for (i = 0; i < prog->argc; i++) {
5646                 ap = prog->argv[i];
5647                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
5648                 if (!strcasecmp(ap, "$bar_border")) {
5649                         if ((real_args[i] =
5650                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
5651                             == NULL)
5652                                 err(1,  "spawn_custom border color");
5653                 } else if (!strcasecmp(ap, "$bar_color")) {
5654                         if ((real_args[i] =
5655                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
5656                             == NULL)
5657                                 err(1, "spawn_custom bar color");
5658                 } else if (!strcasecmp(ap, "$bar_font")) {
5659                         if ((real_args[i] = strdup(bar_fonts))
5660                             == NULL)
5661                                 err(1, "spawn_custom bar fonts");
5662                 } else if (!strcasecmp(ap, "$bar_font_color")) {
5663                         if ((real_args[i] =
5664                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
5665                             == NULL)
5666                                 err(1, "spawn_custom color font");
5667                 } else if (!strcasecmp(ap, "$color_focus")) {
5668                         if ((real_args[i] =
5669                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
5670                             == NULL)
5671                                 err(1, "spawn_custom color focus");
5672                 } else if (!strcasecmp(ap, "$color_unfocus")) {
5673                         if ((real_args[i] =
5674                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
5675                             == NULL)
5676                                 err(1, "spawn_custom color unfocus");
5677                 } else {
5678                         /* no match --> copy as is */
5679                         if ((real_args[i] = strdup(ap)) == NULL)
5680                                 err(1, "spawn_custom strdup(ap)");
5681                 }
5682                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
5683                     real_args[i]);
5684         }
5685
5686 #ifdef SWM_DEBUG
5687         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
5688         for (i = 0; i < prog->argc; i++)
5689                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
5690         DNPRINTF(SWM_D_SPAWN, "\n");
5691 #endif
5692         *ret_args = real_args;
5693         return (prog->argc);
5694 }
5695
5696 void
5697 spawn_custom(struct swm_region *r, union arg *args, const char *spawn_name)
5698 {
5699         union arg               a;
5700         char                    **real_args;
5701         int                     spawn_argc, i;
5702
5703         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5704                 return;
5705         a.argv = real_args;
5706         if (fork() == 0)
5707                 spawn(r->ws->idx, &a, 1);
5708
5709         for (i = 0; i < spawn_argc; i++)
5710                 free(real_args[i]);
5711         free(real_args);
5712 }
5713
5714 void
5715 spawn_select(struct swm_region *r, union arg *args, const char *spawn_name,
5716     int *pid)
5717 {
5718         union arg               a;
5719         char                    **real_args;
5720         int                     i, spawn_argc;
5721
5722         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5723                 return;
5724         a.argv = real_args;
5725
5726         if (pipe(select_list_pipe) == -1)
5727                 err(1, "pipe error");
5728         if (pipe(select_resp_pipe) == -1)
5729                 err(1, "pipe error");
5730
5731         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
5732                 err(1, "could not disable SIGPIPE");
5733         switch (*pid = fork()) {
5734         case -1:
5735                 err(1, "cannot fork");
5736                 break;
5737         case 0: /* child */
5738                 if (dup2(select_list_pipe[0], 0) == -1)
5739                         err(1, "dup2");
5740                 if (dup2(select_resp_pipe[1], 1) == -1)
5741                         err(1, "dup2");
5742                 close(select_list_pipe[1]);
5743                 close(select_resp_pipe[0]);
5744                 spawn(r->ws->idx, &a, 0);
5745                 break;
5746         default: /* parent */
5747                 close(select_list_pipe[0]);
5748                 close(select_resp_pipe[1]);
5749                 break;
5750         }
5751
5752         for (i = 0; i < spawn_argc; i++)
5753                 free(real_args[i]);
5754         free(real_args);
5755 }
5756
5757 void
5758 spawn_insert(const char *name, const char *args)
5759 {
5760         char                    *arg, *cp, *ptr;
5761         struct spawn_prog       *sp;
5762
5763         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5764
5765         if ((sp = calloc(1, sizeof *sp)) == NULL)
5766                 err(1, "spawn_insert: calloc");
5767         if ((sp->name = strdup(name)) == NULL)
5768                 err(1, "spawn_insert: strdup");
5769
5770         /* convert the arguments to an argument list */
5771         if ((ptr = cp = strdup(args)) == NULL)
5772                 err(1, "spawn_insert: strdup");
5773         while ((arg = strsep(&ptr, " \t")) != NULL) {
5774                 /* empty field; skip it */
5775                 if (*arg == '\0')
5776                         continue;
5777
5778                 sp->argc++;
5779                 if ((sp->argv = realloc(sp->argv, sp->argc *
5780                     sizeof *sp->argv)) == NULL)
5781                         err(1, "spawn_insert: realloc");
5782                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5783                         err(1, "spawn_insert: strdup");
5784         }
5785         free(cp);
5786
5787         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5788         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5789 }
5790
5791 void
5792 spawn_remove(struct spawn_prog *sp)
5793 {
5794         int                     i;
5795
5796         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5797
5798         TAILQ_REMOVE(&spawns, sp, entry);
5799         for (i = 0; i < sp->argc; i++)
5800                 free(sp->argv[i]);
5801         free(sp->argv);
5802         free(sp->name);
5803         free(sp);
5804
5805         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5806 }
5807
5808 void
5809 spawn_replace(struct spawn_prog *sp, const char *name, const char *args)
5810 {
5811         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5812
5813         spawn_remove(sp);
5814         spawn_insert(name, args);
5815
5816         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5817 }
5818
5819 void
5820 setspawn(const char *name, const char *args)
5821 {
5822         struct spawn_prog       *sp;
5823
5824         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5825
5826         if (name == NULL)
5827                 return;
5828
5829         TAILQ_FOREACH(sp, &spawns, entry) {
5830                 if (!strcmp(sp->name, name)) {
5831                         if (*args == '\0')
5832                                 spawn_remove(sp);
5833                         else
5834                                 spawn_replace(sp, name, args);
5835                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5836                         return;
5837                 }
5838         }
5839         if (*args == '\0') {
5840                 warnx("error: setspawn: cannot find program: %s", name);
5841                 return;
5842         }
5843
5844         spawn_insert(name, args);
5845         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5846 }
5847
5848 int
5849 setconfspawn(char *selector, char *value, int flags)
5850 {
5851         char *args;
5852
5853         /* suppress unused warning since var is needed */
5854         (void)flags;
5855
5856         args = expand_tilde(value);
5857
5858         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, args);
5859
5860         setspawn(selector, args);
5861         free(args);
5862
5863         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done.\n");
5864         return (0);
5865 }
5866
5867 void
5868 setup_spawn(void)
5869 {
5870         setconfspawn("term",            "xterm",                0);
5871         setconfspawn("spawn_term",      "xterm",                0);
5872         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5873         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5874         setconfspawn("lock",            "xlock",                0);
5875         setconfspawn("initscr",         "initscreen.sh",        0);
5876         setconfspawn("menu",            "dmenu_run"
5877                                         " -fn $bar_font"
5878                                         " -nb $bar_color"
5879                                         " -nf $bar_font_color"
5880                                         " -sb $bar_border"
5881                                         " -sf $bar_color",      0);
5882         setconfspawn("search",          "dmenu"
5883                                         " -i"
5884                                         " -fn $bar_font"
5885                                         " -nb $bar_color"
5886                                         " -nf $bar_font_color"
5887                                         " -sb $bar_border"
5888                                         " -sf $bar_color",      0);
5889         setconfspawn("name_workspace",  "dmenu"
5890                                         " -p Workspace"
5891                                         " -fn $bar_font"
5892                                         " -nb $bar_color"
5893                                         " -nf $bar_font_color"
5894                                         " -sb $bar_border"
5895                                         " -sf $bar_color",      0);
5896 }
5897
5898 /* key bindings */
5899 #define SWM_MODNAME_SIZE        32
5900 #define SWM_KEY_WS              "\n+ \t"
5901 int
5902 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5903 {
5904         char                    *cp, *name;
5905         KeySym                  uks;
5906         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5907         if (mod == NULL || ks == NULL) {
5908                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5909                 return (1);
5910         }
5911         if (keystr == NULL || strlen(keystr) == 0) {
5912                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5913                 return (1);
5914         }
5915         cp = keystr;
5916         *ks = XCB_NO_SYMBOL;
5917         *mod = 0;
5918         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5919                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5920                 if (cp)
5921                         cp += (long)strspn(cp, SWM_KEY_WS);
5922                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5923                         *mod |= currmod;
5924                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5925                         *mod |= XCB_MOD_MASK_1;
5926                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5927                         *mod += XCB_MOD_MASK_2;
5928                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5929                         *mod |= XCB_MOD_MASK_3;
5930                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5931                         *mod |= XCB_MOD_MASK_4;
5932                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5933                         *mod |= XCB_MOD_MASK_SHIFT;
5934                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5935                         *mod |= XCB_MOD_MASK_CONTROL;
5936                 else {
5937                         *ks = XStringToKeysym(name);
5938                         XConvertCase(*ks, ks, &uks);
5939                         if (ks == XCB_NO_SYMBOL) {
5940                                 DNPRINTF(SWM_D_KEY,
5941                                     "parsekeys: invalid key %s\n",
5942                                     name);
5943                                 return (1);
5944                         }
5945                 }
5946         }
5947         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5948         return (0);
5949 }
5950
5951 char *
5952 strdupsafe(const char *str)
5953 {
5954         if (str == NULL)
5955                 return (NULL);
5956         else
5957                 return (strdup(str));
5958 }
5959
5960 void
5961 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5962     const char *spawn_name)
5963 {
5964         struct key              *kp;
5965
5966         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5967             keyfuncs[kfid].name, spawn_name);
5968
5969         if ((kp = malloc(sizeof *kp)) == NULL)
5970                 err(1, "key_insert: malloc");
5971
5972         kp->mod = mod;
5973         kp->keysym = ks;
5974         kp->funcid = kfid;
5975         kp->spawn_name = strdupsafe(spawn_name);
5976         RB_INSERT(key_tree, &keys, kp);
5977
5978         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5979 }
5980
5981 struct key *
5982 key_lookup(unsigned int mod, KeySym ks)
5983 {
5984         struct key              kp;
5985
5986         kp.keysym = ks;
5987         kp.mod = mod;
5988
5989         return (RB_FIND(key_tree, &keys, &kp));
5990 }
5991
5992 void
5993 key_remove(struct key *kp)
5994 {
5995         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5996
5997         RB_REMOVE(key_tree, &keys, kp);
5998         free(kp->spawn_name);
5999         free(kp);
6000
6001         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
6002 }
6003
6004 void
6005 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
6006     const char *spawn_name)
6007 {
6008         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
6009             spawn_name);
6010
6011         key_remove(kp);
6012         key_insert(mod, ks, kfid, spawn_name);
6013
6014         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
6015 }
6016
6017 void
6018 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
6019     const char *spawn_name)
6020 {
6021         struct key              *kp;
6022
6023         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
6024             keyfuncs[kfid].name, spawn_name);
6025
6026         if ((kp = key_lookup(mod, ks)) != NULL) {
6027                 if (kfid == KF_INVALID)
6028                         key_remove(kp);
6029                 else
6030                         key_replace(kp, mod, ks, kfid, spawn_name);
6031                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6032                 return;
6033         }
6034         if (kfid == KF_INVALID) {
6035                 warnx("bind: Key combination already unbound.");
6036                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6037                 return;
6038         }
6039
6040         key_insert(mod, ks, kfid, spawn_name);
6041         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6042 }
6043
6044 int
6045 setconfbinding(char *selector, char *value, int flags)
6046 {
6047         enum keyfuncid          kfid;
6048         unsigned int            mod;
6049         KeySym                  ks;
6050         struct spawn_prog       *sp;
6051
6052         /* suppress unused warning since var is needed */
6053         (void)flags;
6054
6055         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
6056         if (selector == NULL) {
6057                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
6058                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6059                         kfid = KF_INVALID;
6060                         setkeybinding(mod, ks, kfid, NULL);
6061                         return (0);
6062                 } else
6063                         return (1);
6064         }
6065         /* search by key function name */
6066         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
6067                 if (strncasecmp(selector, keyfuncs[kfid].name,
6068                     SWM_FUNCNAME_LEN) == 0) {
6069                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
6070                             selector);
6071                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6072                                 setkeybinding(mod, ks, kfid, NULL);
6073                                 return (0);
6074                         } else
6075                                 return (1);
6076                 }
6077         }
6078         /* search by custom spawn name */
6079         TAILQ_FOREACH(sp, &spawns, entry) {
6080                 if (strcasecmp(selector, sp->name) == 0) {
6081                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
6082                             selector);
6083                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6084                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
6085                                     sp->name);
6086                                 return (0);
6087                         } else
6088                                 return (1);
6089                 }
6090         }
6091         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
6092         return (1);
6093 }
6094
6095 void
6096 setup_keys(void)
6097 {
6098 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
6099         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
6100         setkeybinding(MODKEY_SHIFT,     XK_backslash,   KF_FLIP_LAYOUT, NULL);
6101         setkeybinding(MODKEY_SHIFT,     XK_space,       KF_STACK_RESET, NULL);
6102         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
6103         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
6104         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
6105         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
6106         setkeybinding(MODKEY_SHIFT,     XK_comma,       KF_STACK_INC,   NULL);
6107         setkeybinding(MODKEY_SHIFT,     XK_period,      KF_STACK_DEC,   NULL);
6108         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
6109         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
6110         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
6111         setkeybinding(MODKEY_SHIFT,     XK_j,           KF_SWAP_NEXT,   NULL);
6112         setkeybinding(MODKEY_SHIFT,     XK_k,           KF_SWAP_PREV,   NULL);
6113         setkeybinding(MODKEY_SHIFT,     XK_Return,      KF_SPAWN_CUSTOM,"term");
6114         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
6115         setkeybinding(MODKEY_SHIFT,     XK_q,           KF_QUIT,        NULL);
6116         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
6117         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
6118         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
6119         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
6120         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
6121         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
6122         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
6123         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
6124         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
6125         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
6126         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
6127         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
6128         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
6129         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
6130         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
6131         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
6132         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
6133         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
6134         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
6135         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
6136         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
6137         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
6138         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
6139         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
6140         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
6141         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
6142         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
6143         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
6144         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
6145         setkeybinding(MODKEY_SHIFT,     XK_Right,       KF_SCREEN_NEXT, NULL);
6146         setkeybinding(MODKEY_SHIFT,     XK_Left,        KF_SCREEN_PREV, NULL);
6147         setkeybinding(MODKEY_SHIFT,     XK_1,           KF_MVWS_1,      NULL);
6148         setkeybinding(MODKEY_SHIFT,     XK_2,           KF_MVWS_2,      NULL);
6149         setkeybinding(MODKEY_SHIFT,     XK_3,           KF_MVWS_3,      NULL);
6150         setkeybinding(MODKEY_SHIFT,     XK_4,           KF_MVWS_4,      NULL);
6151         setkeybinding(MODKEY_SHIFT,     XK_5,           KF_MVWS_5,      NULL);
6152         setkeybinding(MODKEY_SHIFT,     XK_6,           KF_MVWS_6,      NULL);
6153         setkeybinding(MODKEY_SHIFT,     XK_7,           KF_MVWS_7,      NULL);
6154         setkeybinding(MODKEY_SHIFT,     XK_8,           KF_MVWS_8,      NULL);
6155         setkeybinding(MODKEY_SHIFT,     XK_9,           KF_MVWS_9,      NULL);
6156         setkeybinding(MODKEY_SHIFT,     XK_0,           KF_MVWS_10,     NULL);
6157         setkeybinding(MODKEY_SHIFT,     XK_F1,          KF_MVWS_11,     NULL);
6158         setkeybinding(MODKEY_SHIFT,     XK_F2,          KF_MVWS_12,     NULL);
6159         setkeybinding(MODKEY_SHIFT,     XK_F3,          KF_MVWS_13,     NULL);
6160         setkeybinding(MODKEY_SHIFT,     XK_F4,          KF_MVWS_14,     NULL);
6161         setkeybinding(MODKEY_SHIFT,     XK_F5,          KF_MVWS_15,     NULL);
6162         setkeybinding(MODKEY_SHIFT,     XK_F6,          KF_MVWS_16,     NULL);
6163         setkeybinding(MODKEY_SHIFT,     XK_F7,          KF_MVWS_17,     NULL);
6164         setkeybinding(MODKEY_SHIFT,     XK_F8,          KF_MVWS_18,     NULL);
6165         setkeybinding(MODKEY_SHIFT,     XK_F9,          KF_MVWS_19,     NULL);
6166         setkeybinding(MODKEY_SHIFT,     XK_F10,         KF_MVWS_20,     NULL);
6167         setkeybinding(MODKEY_SHIFT,     XK_F11,         KF_MVWS_21,     NULL);
6168         setkeybinding(MODKEY_SHIFT,     XK_F12,         KF_MVWS_22,     NULL);
6169         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
6170         setkeybinding(MODKEY_SHIFT,     XK_b,           KF_BAR_TOGGLE_WS,NULL);
6171         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
6172         setkeybinding(MODKEY_SHIFT,     XK_Tab,         KF_FOCUS_PREV,  NULL);
6173         setkeybinding(MODKEY_SHIFT,     XK_x,           KF_WIND_KILL,   NULL);
6174         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
6175         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
6176         setkeybinding(MODKEY_SHIFT,     XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
6177         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
6178         setkeybinding(MODKEY_SHIFT,     XK_v,           KF_VERSION,     NULL);
6179         setkeybinding(MODKEY_SHIFT,     XK_Delete,      KF_SPAWN_CUSTOM,"lock");
6180         setkeybinding(MODKEY_SHIFT,     XK_i,           KF_SPAWN_CUSTOM,"initscr");
6181         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
6182         setkeybinding(MODKEY_SHIFT,     XK_w,           KF_UNICONIFY,   NULL);
6183         setkeybinding(MODKEY_SHIFT,     XK_r,           KF_RAISE_TOGGLE,NULL);
6184         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
6185         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
6186         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
6187         setkeybinding(MODKEY_SHIFT,     XK_equal,       KF_HEIGHT_GROW,NULL);
6188         setkeybinding(MODKEY_SHIFT,     XK_minus,       KF_HEIGHT_SHRINK,NULL);
6189         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
6190         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
6191         setkeybinding(MODKEY_SHIFT,     XK_bracketleft, KF_MOVE_UP,     NULL);
6192         setkeybinding(MODKEY_SHIFT,     XK_bracketright,KF_MOVE_DOWN,NULL);
6193         setkeybinding(MODKEY_SHIFT,     XK_slash,       KF_NAME_WORKSPACE,NULL);
6194         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
6195         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
6196 #ifdef SWM_DEBUG
6197         setkeybinding(MODKEY_SHIFT,     XK_d,           KF_DUMPWINS,    NULL);
6198 #endif
6199 #undef MODKEY_SHIFT
6200 }
6201
6202 void
6203 clear_keys(void)
6204 {
6205         struct key              *kp;
6206
6207         while (RB_EMPTY(&keys) == 0) {
6208                 kp = RB_ROOT(&keys);
6209                 key_remove(kp);
6210         }
6211 }
6212
6213 int
6214 setkeymapping(char *selector, char *value, int flags)
6215 {
6216         char                    keymapping_file[PATH_MAX];
6217
6218         /* suppress unused warnings since vars are needed */
6219         (void)selector;
6220         (void)flags;
6221
6222         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
6223         if (value[0] == '~')
6224                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
6225                     pwd->pw_dir, &value[1]);
6226         else
6227                 strlcpy(keymapping_file, value, sizeof keymapping_file);
6228         clear_keys();
6229         /* load new key bindings; if it fails, revert to default bindings */
6230         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
6231                 clear_keys();
6232                 setup_keys();
6233         }
6234         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
6235         return (0);
6236 }
6237
6238 void
6239 updatenumlockmask(void)
6240 {
6241         unsigned int                            i, j;
6242         xcb_get_modifier_mapping_reply_t        *modmap_r;
6243         xcb_keycode_t                           *modmap, kc, *keycode;
6244
6245         numlockmask = 0;
6246
6247         modmap_r = xcb_get_modifier_mapping_reply(conn,
6248             xcb_get_modifier_mapping(conn),
6249             NULL);
6250         if (modmap_r) {
6251                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
6252                 for (i = 0; i < 8; i++) {
6253                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
6254                                 kc = modmap[i * modmap_r->keycodes_per_modifier
6255                                     + j];
6256                                 keycode = xcb_key_symbols_get_keycode(syms,
6257                                                 XK_Num_Lock);
6258                                 if (kc == *keycode)
6259                                         numlockmask = (1 << i);
6260                                 free(keycode);
6261                         }
6262                 }
6263                 free(modmap_r);
6264         }
6265         DNPRINTF(SWM_D_MISC, "updatenumlockmask: %d\n", numlockmask);
6266 }
6267
6268 void
6269 grabkeys(void)
6270 {
6271         struct key              *kp;
6272         int                     num_screens, k, j;
6273         unsigned int            modifiers[4];
6274         xcb_keycode_t           *code;
6275
6276         DNPRINTF(SWM_D_MISC, "grabkeys\n");
6277         updatenumlockmask();
6278
6279         modifiers[0] = 0;
6280         modifiers[1] = numlockmask;
6281         modifiers[2] = XCB_MOD_MASK_LOCK;
6282         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6283
6284         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6285         for (k = 0; k < num_screens; k++) {
6286                 if (TAILQ_EMPTY(&screens[k].rl))
6287                         continue;
6288                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
6289                         XCB_MOD_MASK_ANY);
6290                 RB_FOREACH(kp, key_tree, &keys) {
6291                         if ((code = xcb_key_symbols_get_keycode(syms,
6292                                         kp->keysym))) {
6293                                 for (j = 0; j < LENGTH(modifiers); j++)
6294                                         xcb_grab_key(conn, 1,
6295                                             screens[k].root,
6296                                             kp->mod | modifiers[j],
6297                                             *code, XCB_GRAB_MODE_SYNC,
6298                                             XCB_GRAB_MODE_SYNC);
6299                                 free(code);
6300                         }
6301                 }
6302         }
6303 }
6304
6305 void
6306 grabbuttons(struct ws_win *win)
6307 {
6308         unsigned int    modifiers[4];
6309         int             i, j;
6310
6311         DNPRINTF(SWM_D_MOUSE, "grabbuttons: win 0x%x\n", win->id);
6312         updatenumlockmask();
6313
6314         modifiers[0] = 0;
6315         modifiers[1] = numlockmask;
6316         modifiers[2] = XCB_MOD_MASK_LOCK;
6317         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6318
6319         for (i = 0; i < LENGTH(buttons); i++)
6320                 if (buttons[i].action == client_click)
6321                         for (j = 0; j < LENGTH(modifiers); ++j)
6322                                 xcb_grab_button(conn, 0, win->id, BUTTONMASK,
6323                                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC,
6324                                     XCB_WINDOW_NONE, XCB_CURSOR_NONE,
6325                                     buttons[i].button, buttons[i].mask |
6326                                     modifiers[j]);
6327 }
6328
6329 const char *quirkname[] = {
6330         "NONE",         /* config string for "no value" */
6331         "FLOAT",
6332         "TRANSSZ",
6333         "ANYWHERE",
6334         "XTERM_FONTADJ",
6335         "FULLSCREEN",
6336         "FOCUSPREV",
6337 };
6338
6339 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
6340 #define SWM_Q_WS                "\n|+ \t"
6341 int
6342 parsequirks(char *qstr, unsigned long *quirk)
6343 {
6344         char                    *cp, *name;
6345         int                     i;
6346
6347         if (quirk == NULL)
6348                 return (1);
6349
6350         cp = qstr;
6351         *quirk = 0;
6352         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
6353                 if (cp)
6354                         cp += (long)strspn(cp, SWM_Q_WS);
6355                 for (i = 0; i < LENGTH(quirkname); i++) {
6356                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
6357                                 DNPRINTF(SWM_D_QUIRK,
6358                                     "parsequirks: %s\n", name);
6359                                 if (i == 0) {
6360                                         *quirk = 0;
6361                                         return (0);
6362                                 }
6363                                 *quirk |= 1 << (i-1);
6364                                 break;
6365                         }
6366                 }
6367                 if (i >= LENGTH(quirkname)) {
6368                         DNPRINTF(SWM_D_QUIRK,
6369                             "parsequirks: invalid quirk [%s]\n", name);
6370                         return (1);
6371                 }
6372         }
6373         return (0);
6374 }
6375
6376 void
6377 quirk_insert(const char *class, const char *name, unsigned long quirk)
6378 {
6379         struct quirk            *qp;
6380
6381         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
6382             quirk);
6383
6384         if ((qp = malloc(sizeof *qp)) == NULL)
6385                 err(1, "quirk_insert: malloc");
6386         if ((qp->class = strdup(class)) == NULL)
6387                 err(1, "quirk_insert: strdup");
6388         if ((qp->name = strdup(name)) == NULL)
6389                 err(1, "quirk_insert: strdup");
6390
6391         qp->quirk = quirk;
6392         TAILQ_INSERT_TAIL(&quirks, qp, entry);
6393
6394         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
6395 }
6396
6397 void
6398 quirk_remove(struct quirk *qp)
6399 {
6400         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
6401             qp->name, qp->quirk);
6402
6403         TAILQ_REMOVE(&quirks, qp, entry);
6404         free(qp->class);
6405         free(qp->name);
6406         free(qp);
6407
6408         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
6409 }
6410
6411 void
6412 quirk_replace(struct quirk *qp, const char *class, const char *name,
6413     unsigned long quirk)
6414 {
6415         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
6416             qp->name, qp->quirk);
6417
6418         quirk_remove(qp);
6419         quirk_insert(class, name, quirk);
6420
6421         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
6422 }
6423
6424 void
6425 setquirk(const char *class, const char *name, unsigned long quirk)
6426 {
6427         struct quirk            *qp;
6428
6429         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
6430            quirk);
6431
6432         /* Remove/replace existing quirk. */
6433         TAILQ_FOREACH(qp, &quirks, entry) {
6434                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
6435                         if (!quirk)
6436                                 quirk_remove(qp);
6437                         else
6438                                 quirk_replace(qp, class, name, quirk);
6439                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6440                         return;
6441                 }
6442         }
6443
6444         /* Only insert if quirk is not NONE. */
6445         if (quirk)
6446                 quirk_insert(class, name, quirk);
6447
6448         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6449 }
6450
6451 int
6452 setconfquirk(char *selector, char *value, int flags)
6453 {
6454         char                    *cp, *class, *name;
6455         int                     retval;
6456         unsigned long           qrks;
6457
6458         /* suppress unused warning since var is needed */
6459         (void)flags;
6460
6461         if (selector == NULL)
6462                 return (0);
6463         if ((cp = strchr(selector, ':')) == NULL)
6464                 return (0);
6465         *cp = '\0';
6466         class = selector;
6467         name = cp + 1;
6468         if ((retval = parsequirks(value, &qrks)) == 0)
6469                 setquirk(class, name, qrks);
6470         return (retval);
6471 }
6472
6473 void
6474 setup_quirks(void)
6475 {
6476         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
6477         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
6478         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
6479         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
6480         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6481         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
6482         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6483         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6484         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6485         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6486         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
6487         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
6488         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
6489 }
6490
6491 /* conf file stuff */
6492 #define SWM_CONF_FILE           "spectrwm.conf"
6493 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
6494
6495 enum {
6496         SWM_S_BAR_ACTION,
6497         SWM_S_BAR_AT_BOTTOM,
6498         SWM_S_BAR_BORDER_WIDTH,
6499         SWM_S_BAR_DELAY,
6500         SWM_S_BAR_ENABLED,
6501         SWM_S_BAR_ENABLED_WS,
6502         SWM_S_BAR_FONT,
6503         SWM_S_BAR_FORMAT,
6504         SWM_S_BAR_JUSTIFY,
6505         SWM_S_BORDER_WIDTH,
6506         SWM_S_CLOCK_ENABLED,
6507         SWM_S_CLOCK_FORMAT,
6508         SWM_S_CYCLE_EMPTY,
6509         SWM_S_CYCLE_VISIBLE,
6510         SWM_S_DIALOG_RATIO,
6511         SWM_S_DISABLE_BORDER,
6512         SWM_S_FOCUS_CLOSE,
6513         SWM_S_FOCUS_CLOSE_WRAP,
6514         SWM_S_FOCUS_DEFAULT,
6515         SWM_S_FOCUS_MODE,
6516         SWM_S_SPAWN_ORDER,
6517         SWM_S_SPAWN_TERM,
6518         SWM_S_SS_APP,
6519         SWM_S_SS_ENABLED,
6520         SWM_S_STACK_ENABLED,
6521         SWM_S_TERM_WIDTH,
6522         SWM_S_TITLE_CLASS_ENABLED,
6523         SWM_S_TITLE_NAME_ENABLED,
6524         SWM_S_URGENT_ENABLED,
6525         SWM_S_VERBOSE_LAYOUT,
6526         SWM_S_WINDOW_NAME_ENABLED,
6527         SWM_S_WORKSPACE_LIMIT
6528 };
6529
6530 int
6531 setconfvalue(char *selector, char *value, int flags)
6532 {
6533         struct workspace        *ws;
6534         int                     i, ws_id, num_screens;
6535         char                    *b;
6536
6537         /* suppress unused warning since var is needed */
6538         (void)selector;
6539
6540         switch (flags) {
6541         case SWM_S_BAR_ACTION:
6542                 free(bar_argv[0]);
6543                 if ((bar_argv[0] = expand_tilde(value)) == NULL)
6544                         err(1, "setconfvalue: bar_action");
6545                 break;
6546         case SWM_S_BAR_AT_BOTTOM:
6547                 bar_at_bottom = atoi(value);
6548                 break;
6549         case SWM_S_BAR_BORDER_WIDTH:
6550                 bar_border_width = atoi(value);
6551                 if (bar_border_width < 0)
6552                         bar_border_width = 0;
6553                 break;
6554         case SWM_S_BAR_DELAY:
6555                 /* No longer needed; leave to not break old conf files. */
6556                 break;
6557         case SWM_S_BAR_ENABLED:
6558                 bar_enabled = atoi(value);
6559                 break;
6560         case SWM_S_BAR_ENABLED_WS:
6561                 ws_id = atoi(selector) - 1;
6562                 if (ws_id < 0 || ws_id >= workspace_limit)
6563                         errx(1, "setconfvalue: bar_enabled_ws: invalid "
6564                             "workspace %d.", ws_id + 1);
6565
6566                 num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6567                 for (i = 0; i < num_screens; i++) {
6568                         ws = (struct workspace *)&screens[i].ws;
6569                         ws[ws_id].bar_enabled = atoi(value);
6570                 }
6571                 break;
6572         case SWM_S_BAR_FONT:
6573                 b = bar_fonts;
6574                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
6575                         err(1, "setconfvalue: asprintf: failed to allocate "
6576                                 "memory for bar_fonts.");
6577                 free(b);
6578
6579                 /* If already in xft mode, then we are done. */
6580                 if (!bar_font_legacy)
6581                         break;
6582
6583                 /* If there are any non-XLFD entries, switch to Xft mode. */
6584                 while ((b = strsep(&value, ",")) != NULL) {
6585                         if (*b == '\0')
6586                                 continue;
6587                         if (!isxlfd(b)) {
6588                                 bar_font_legacy = 0;
6589                                 break;
6590                         }
6591                 }
6592                 break;
6593         case SWM_S_BAR_FORMAT:
6594                 free(bar_format);
6595                 if ((bar_format = strdup(value)) == NULL)
6596                         err(1, "setconfvalue: bar_format");
6597                 break;
6598         case SWM_S_BAR_JUSTIFY:
6599                 if (!strcmp(value, "left"))
6600                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
6601                 else if (!strcmp(value, "center"))
6602                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
6603                 else if (!strcmp(value, "right"))
6604                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
6605                 else
6606                         errx(1, "invalid bar_justify");
6607                 break;
6608         case SWM_S_BORDER_WIDTH:
6609                 border_width = atoi(value);
6610                 if (border_width < 0)
6611                         border_width = 0;
6612                 break;
6613         case SWM_S_CLOCK_ENABLED:
6614                 clock_enabled = atoi(value);
6615                 break;
6616         case SWM_S_CLOCK_FORMAT:
6617 #ifndef SWM_DENY_CLOCK_FORMAT
6618                 free(clock_format);
6619                 if ((clock_format = strdup(value)) == NULL)
6620                         err(1, "setconfvalue: clock_format");
6621 #endif
6622                 break;
6623         case SWM_S_CYCLE_EMPTY:
6624                 cycle_empty = atoi(value);
6625                 break;
6626         case SWM_S_CYCLE_VISIBLE:
6627                 cycle_visible = atoi(value);
6628                 break;
6629         case SWM_S_DIALOG_RATIO:
6630                 dialog_ratio = atof(value);
6631                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
6632                         dialog_ratio = .6;
6633                 break;
6634         case SWM_S_DISABLE_BORDER:
6635                 disable_border = atoi(value);
6636                 break;
6637         case SWM_S_FOCUS_CLOSE:
6638                 if (!strcmp(value, "first"))
6639                         focus_close = SWM_STACK_BOTTOM;
6640                 else if (!strcmp(value, "last"))
6641                         focus_close = SWM_STACK_TOP;
6642                 else if (!strcmp(value, "next"))
6643                         focus_close = SWM_STACK_ABOVE;
6644                 else if (!strcmp(value, "previous"))
6645                         focus_close = SWM_STACK_BELOW;
6646                 else
6647                         errx(1, "focus_close");
6648                 break;
6649         case SWM_S_FOCUS_CLOSE_WRAP:
6650                 focus_close_wrap = atoi(value);
6651                 break;
6652         case SWM_S_FOCUS_DEFAULT:
6653                 if (!strcmp(value, "last"))
6654                         focus_default = SWM_STACK_TOP;
6655                 else if (!strcmp(value, "first"))
6656                         focus_default = SWM_STACK_BOTTOM;
6657                 else
6658                         errx(1, "focus_default");
6659                 break;
6660         case SWM_S_FOCUS_MODE:
6661                 if (!strcmp(value, "default"))
6662                         focus_mode = SWM_FOCUS_DEFAULT;
6663                 else if (!strcmp(value, "follow") ||
6664                     !strcmp(value, "follow_cursor"))
6665                         focus_mode = SWM_FOCUS_FOLLOW;
6666                 else if (!strcmp(value, "manual"))
6667                         focus_mode = SWM_FOCUS_MANUAL;
6668                 else
6669                         errx(1, "focus_mode");
6670                 break;
6671         case SWM_S_SPAWN_ORDER:
6672                 if (!strcmp(value, "first"))
6673                         spawn_position = SWM_STACK_BOTTOM;
6674                 else if (!strcmp(value, "last"))
6675                         spawn_position = SWM_STACK_TOP;
6676                 else if (!strcmp(value, "next"))
6677                         spawn_position = SWM_STACK_ABOVE;
6678                 else if (!strcmp(value, "previous"))
6679                         spawn_position = SWM_STACK_BELOW;
6680                 else
6681                         errx(1, "spawn_position");
6682                 break;
6683         case SWM_S_SPAWN_TERM:
6684                 setconfspawn("term", value, 0);
6685                 setconfspawn("spawn_term", value, 0);
6686                 break;
6687         case SWM_S_SS_APP:
6688                 /* No longer needed; leave to not break old conf files. */
6689                 break;
6690         case SWM_S_SS_ENABLED:
6691                 /* No longer needed; leave to not break old conf files. */
6692                 break;
6693         case SWM_S_STACK_ENABLED:
6694                 stack_enabled = atoi(value);
6695                 break;
6696         case SWM_S_TERM_WIDTH:
6697                 term_width = atoi(value);
6698                 if (term_width < 0)
6699                         term_width = 0;
6700                 break;
6701         case SWM_S_TITLE_CLASS_ENABLED:
6702                 title_class_enabled = atoi(value);
6703                 break;
6704         case SWM_S_TITLE_NAME_ENABLED:
6705                 title_name_enabled = atoi(value);
6706                 break;
6707         case SWM_S_URGENT_ENABLED:
6708                 urgent_enabled = atoi(value);
6709                 break;
6710         case SWM_S_VERBOSE_LAYOUT:
6711                 verbose_layout = atoi(value);
6712                 for (i = 0; layouts[i].l_stack != NULL; i++) {
6713                         if (verbose_layout)
6714                                 layouts[i].l_string = fancy_stacker;
6715                         else
6716                                 layouts[i].l_string = plain_stacker;
6717                 }
6718                 break;
6719         case SWM_S_WINDOW_NAME_ENABLED:
6720                 window_name_enabled = atoi(value);
6721                 break;
6722         case SWM_S_WORKSPACE_LIMIT:
6723                 workspace_limit = atoi(value);
6724                 if (workspace_limit > SWM_WS_MAX)
6725                         workspace_limit = SWM_WS_MAX;
6726                 else if (workspace_limit < 1)
6727                         workspace_limit = 1;
6728                 break;
6729         default:
6730                 return (1);
6731         }
6732         return (0);
6733 }
6734
6735 int
6736 setconfmodkey(char *selector, char *value, int flags)
6737 {
6738         /* suppress unused warnings since vars are needed */
6739         (void)selector;
6740         (void)flags;
6741
6742         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
6743                 update_modkey(XCB_MOD_MASK_1);
6744         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
6745                 update_modkey(XCB_MOD_MASK_2);
6746         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
6747                 update_modkey(XCB_MOD_MASK_3);
6748         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
6749                 update_modkey(XCB_MOD_MASK_4);
6750         else
6751                 return (1);
6752         return (0);
6753 }
6754
6755 int
6756 setconfcolor(char *selector, char *value, int flags)
6757 {
6758         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
6759         return (0);
6760 }
6761
6762 int
6763 setconfregion(char *selector, char *value, int flags)
6764 {
6765         /* suppress unused warnings since vars are needed */
6766         (void)selector;
6767         (void)flags;
6768
6769         custom_region(value);
6770         return (0);
6771 }
6772
6773 int
6774 setautorun(char *selector, char *value, int flags)
6775 {
6776         int                     ws_id;
6777         char                    s[1024];
6778         char                    *ap, *sp;
6779         union arg               a;
6780         int                     argc = 0;
6781         pid_t                   pid;
6782         struct pid_e            *p;
6783
6784         /* suppress unused warnings since vars are needed */
6785         (void)selector;
6786         (void)flags;
6787
6788         if (getenv("SWM_STARTED"))
6789                 return (0);
6790
6791         bzero(s, sizeof s);
6792         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
6793                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
6794         ws_id--;
6795         if (ws_id < 0 || ws_id >= workspace_limit)
6796                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
6797
6798         sp = expand_tilde((char *)&s);
6799
6800         /*
6801          * This is a little intricate
6802          *
6803          * If the pid already exists we simply reuse it because it means it was
6804          * used before AND not claimed by manage_window.  We get away with
6805          * altering it in the parent after INSERT because this can not be a race
6806          */
6807         a.argv = NULL;
6808         while ((ap = strsep(&sp, " \t")) != NULL) {
6809                 if (*ap == '\0')
6810                         continue;
6811                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
6812                 argc++;
6813                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
6814                         err(1, "setautorun: realloc");
6815                 a.argv[argc - 1] = ap;
6816         }
6817         free(sp);
6818
6819         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
6820                 err(1, "setautorun: realloc");
6821         a.argv[argc] = NULL;
6822
6823         if ((pid = fork()) == 0) {
6824                 spawn(ws_id, &a, 1);
6825                 /* NOTREACHED */
6826                 _exit(1);
6827         }
6828         free(a.argv);
6829
6830         /* parent */
6831         p = find_pid(pid);
6832         if (p == NULL) {
6833                 p = calloc(1, sizeof *p);
6834                 if (p == NULL)
6835                         return (1);
6836                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
6837         }
6838
6839         p->pid = pid;
6840         p->ws = ws_id;
6841
6842         return (0);
6843 }
6844
6845 int
6846 setlayout(char *selector, char *value, int flags)
6847 {
6848         int                     ws_id, i, x, mg, ma, si, ar, f = 0;
6849         int                     st = SWM_V_STACK, num_screens;
6850         char                    s[1024];
6851         struct workspace        *ws;
6852
6853         /* suppress unused warnings since vars are needed */
6854         (void)selector;
6855         (void)flags;
6856
6857         if (getenv("SWM_STARTED"))
6858                 return (0);
6859
6860         bzero(s, sizeof s);
6861         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6862             &ws_id, &mg, &ma, &si, &ar, s) != 6)
6863                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6864                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6865                     "<type>'");
6866         ws_id--;
6867         if (ws_id < 0 || ws_id >= workspace_limit)
6868                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6869
6870         if (!strcasecmp(s, "vertical"))
6871                 st = SWM_V_STACK;
6872         else if (!strcasecmp(s, "vertical_flip")) {
6873                 st = SWM_V_STACK;
6874                 f = 1;
6875         } else if (!strcasecmp(s, "horizontal"))
6876                 st = SWM_H_STACK;
6877         else if (!strcasecmp(s, "horizontal_flip")) {
6878                 st = SWM_H_STACK;
6879                 f = 1;
6880         } else if (!strcasecmp(s, "fullscreen"))
6881                 st = SWM_MAX_STACK;
6882         else
6883                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6884                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6885                     "<type>'");
6886
6887         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6888         for (i = 0; i < num_screens; i++) {
6889                 ws = (struct workspace *)&screens[i].ws;
6890                 ws[ws_id].cur_layout = &layouts[st];
6891
6892                 ws[ws_id].always_raise = ar;
6893                 if (st == SWM_MAX_STACK)
6894                         continue;
6895
6896                 /* master grow */
6897                 for (x = 0; x < abs(mg); x++) {
6898                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6899                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6900                             SWM_ARG_ID_MASTERSHRINK);
6901                         stack();
6902                 }
6903                 /* master add */
6904                 for (x = 0; x < abs(ma); x++) {
6905                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6906                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6907                             SWM_ARG_ID_MASTERDEL);
6908                         stack();
6909                 }
6910                 /* stack inc */
6911                 for (x = 0; x < abs(si); x++) {
6912                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6913                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6914                             SWM_ARG_ID_STACKDEC);
6915                         stack();
6916                 }
6917                 /* Apply flip */
6918                 if (f) {
6919                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6920                             SWM_ARG_ID_FLIPLAYOUT);
6921                         stack();
6922                 }
6923         }
6924
6925         focus_flush();
6926
6927         return (0);
6928 }
6929
6930 /* config options */
6931 struct config_option {
6932         char                    *optname;
6933         int                     (*func)(char*, char*, int);
6934         int                     funcflags;
6935 };
6936 struct config_option configopt[] = {
6937         { "autorun",                    setautorun,     0 },
6938         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6939         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6940         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6941         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6942         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6943         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6944         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6945         { "bar_enabled_ws",             setconfvalue,   SWM_S_BAR_ENABLED_WS },
6946         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6947         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6948         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6949         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6950         { "bind",                       setconfbinding, 0 },
6951         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6952         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6953         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6954         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6955         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6956         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6957         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6958         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6959         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6960         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6961         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6962         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6963         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6964         { "keyboard_mapping",           setkeymapping,  0 },
6965         { "layout",                     setlayout,      0 },
6966         { "modkey",                     setconfmodkey,  0 },
6967         { "program",                    setconfspawn,   0 },
6968         { "quirk",                      setconfquirk,   0 },
6969         { "region",                     setconfregion,  0 },
6970         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6971         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6972         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6973         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6974         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6975         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6976         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6977         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6978         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6979         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6980         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6981         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6982 };
6983
6984 int
6985 conf_load(const char *filename, int keymapping)
6986 {
6987         FILE                    *config;
6988         char                    *line, *cp, *optsub, *optval;
6989         size_t                  linelen, lineno = 0;
6990         int                     wordlen, i, optidx;
6991         struct config_option    *opt = NULL;
6992
6993         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6994
6995         if (filename == NULL) {
6996                 warnx("conf_load: no filename");
6997                 return (1);
6998         }
6999         if ((config = fopen(filename, "r")) == NULL) {
7000                 warn("conf_load: fopen: %s", filename);
7001                 return (1);
7002         }
7003
7004         while (!feof(config)) {
7005                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
7006                     == NULL) {
7007                         if (ferror(config))
7008                                 err(1, "%s", filename);
7009                         else
7010                                 continue;
7011                 }
7012                 cp = line;
7013                 cp += strspn(cp, " \t\n"); /* eat whitespace */
7014                 if (cp[0] == '\0') {
7015                         /* empty line */
7016                         free(line);
7017                         continue;
7018                 }
7019                 /* get config option */
7020                 wordlen = strcspn(cp, "=[ \t\n");
7021                 if (wordlen == 0) {
7022                         warnx("%s: line %zd: no option found",
7023                             filename, lineno);
7024                         goto out;
7025                 }
7026                 optidx = -1;
7027                 for (i = 0; i < LENGTH(configopt); i++) {
7028                         opt = &configopt[i];
7029                         if (!strncasecmp(cp, opt->optname, wordlen) &&
7030                             (int)strlen(opt->optname) == wordlen) {
7031                                 optidx = i;
7032                                 break;
7033                         }
7034                 }
7035                 if (optidx == -1) {
7036                         warnx("%s: line %zd: unknown option %.*s",
7037                             filename, lineno, wordlen, cp);
7038                         goto out;
7039                 }
7040                 if (keymapping && opt && strcmp(opt->optname, "bind")) {
7041                         warnx("%s: line %zd: invalid option %.*s",
7042                             filename, lineno, wordlen, cp);
7043                         goto out;
7044                 }
7045                 cp += wordlen;
7046                 cp += strspn(cp, " \t\n"); /* eat whitespace */
7047                 /* get [selector] if any */
7048                 optsub = NULL;
7049                 if (*cp == '[') {
7050                         cp++;
7051                         wordlen = strcspn(cp, "]");
7052                         if (*cp != ']') {
7053                                 if (wordlen == 0) {
7054                                         warnx("%s: line %zd: syntax error",
7055                                             filename, lineno);
7056                                         goto out;
7057                                 }
7058
7059                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
7060                                     -1) {
7061                                         warnx("%s: line %zd: unable to allocate"
7062                                             "memory for selector", filename,
7063                                             lineno);
7064                                         goto out;
7065                                 }
7066                         }
7067                         cp += wordlen;
7068                         cp += strspn(cp, "] \t\n"); /* eat trailing */
7069                 }
7070                 cp += strspn(cp, "= \t\n"); /* eat trailing */
7071                 /* get RHS value */
7072                 optval = strdup(cp);
7073                 /* call function to deal with it all */
7074                 if (configopt[optidx].func(optsub, optval,
7075                     configopt[optidx].funcflags) != 0)
7076                         errx(1, "%s: line %zd: invalid data for %s",
7077                             filename, lineno, configopt[optidx].optname);
7078                 free(optval);
7079                 free(optsub);
7080                 free(line);
7081         }
7082
7083         fclose(config);
7084         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
7085
7086         return (0);
7087
7088 out:
7089         free(line);
7090         fclose(config);
7091         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
7092
7093         return (1);
7094 }
7095
7096 void
7097 set_child_transient(struct ws_win *win, xcb_window_t *trans)
7098 {
7099         struct ws_win           *parent, *w;
7100         struct swm_region       *r;
7101         struct workspace        *ws;
7102         xcb_icccm_wm_hints_t    wmh;
7103
7104         parent = find_window(win->transient);
7105         if (parent)
7106                 parent->focus_child = win;
7107         else {
7108                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
7109                     " for 0x%x trans 0x%x\n", win->id, win->transient);
7110
7111                 r = root_to_region(win->wa->root, SWM_CK_ALL);
7112                 ws = r->ws;
7113                 /* parent doen't exist in our window list */
7114                 TAILQ_FOREACH(w, &ws->winlist, entry) {
7115                         if (xcb_icccm_get_wm_hints_reply(conn,
7116                             xcb_icccm_get_wm_hints(conn, w->id),
7117                             &wmh, NULL) != 1) {
7118                                 warnx("can't get hints for 0x%x", w->id);
7119                                 continue;
7120                         }
7121
7122                         if (win->hints.window_group != wmh.window_group)
7123                                 continue;
7124
7125                         w->focus_child = win;
7126                         win->transient = w->id;
7127                         *trans = w->id;
7128                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
7129                             "transient to 0x%x\n", win->transient);
7130                         break;
7131                 }
7132         }
7133 }
7134
7135 pid_t
7136 window_get_pid(xcb_window_t win)
7137 {
7138         pid_t                           ret = 0;
7139         const char                      *errstr;
7140         xcb_atom_t                      apid;
7141         xcb_get_property_cookie_t       pc;
7142         xcb_get_property_reply_t        *pr;
7143
7144         apid = get_atom_from_string("_NET_WM_PID");
7145         if (apid == XCB_ATOM_NONE)
7146                 goto tryharder;
7147
7148         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
7149         pr = xcb_get_property_reply(conn, pc, NULL);
7150         if (!pr)
7151                 goto tryharder;
7152         if (pr->type != XCB_ATOM_CARDINAL) {
7153                 free(pr);
7154                 goto tryharder;
7155         }
7156
7157         if (pr->type == apid && pr->format == 32)
7158                 ret = *((pid_t *)xcb_get_property_value(pr));
7159         free(pr);
7160
7161         return (ret);
7162
7163 tryharder:
7164         apid = get_atom_from_string("_SWM_PID");
7165         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
7166             0, SWM_PROPLEN);
7167         pr = xcb_get_property_reply(conn, pc, NULL);
7168         if (!pr)
7169                 return (0);
7170         if (pr->type != apid) {
7171                 free(pr);
7172                 return (0);
7173         }
7174
7175         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
7176         free(pr);
7177
7178         return (ret);
7179 }
7180
7181 int
7182 get_ws_idx(xcb_window_t id)
7183 {
7184         int                     ws_idx = -1;
7185         char                    *prop = NULL;
7186         size_t                  proplen;
7187         const char              *errstr;
7188         xcb_get_property_reply_t        *gpr;
7189
7190         gpr = xcb_get_property_reply(conn,
7191                 xcb_get_property(conn, 0, id, a_swm_ws,
7192                     XCB_ATOM_STRING, 0, SWM_PROPLEN),
7193                 NULL);
7194         if (!gpr)
7195                 return (-1);
7196         if (gpr->type) {
7197                 proplen = xcb_get_property_value_length(gpr);
7198                 if (proplen > 0) {
7199                         prop = malloc(proplen + 1);
7200                         if (prop) {
7201                                 memcpy(prop,
7202                                     xcb_get_property_value(gpr),
7203                                     proplen);
7204                                 prop[proplen] = '\0';
7205                         }
7206                 }
7207         }
7208         free(gpr);
7209
7210         if (prop) {
7211                 DNPRINTF(SWM_D_PROP, "get_ws_idx: _SWM_WS: %s\n", prop);
7212                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1, &errstr);
7213                 if (errstr) {
7214                         DNPRINTF(SWM_D_PROP, "get_ws_idx: window: #%s: %s",
7215                             errstr, prop);
7216                 }
7217                 free(prop);
7218         }
7219
7220         return ws_idx;
7221 }
7222
7223 struct ws_win *
7224 manage_window(xcb_window_t id, uint16_t mapped)
7225 {
7226         xcb_window_t            trans = XCB_WINDOW_NONE;
7227         struct ws_win           *win, *ww;
7228         int                     ws_idx;
7229         char                    ws_idx_str[SWM_PROPLEN];
7230         struct swm_region       *r;
7231         struct pid_e            *p;
7232         struct quirk            *qp;
7233         uint32_t                i, wa[2];
7234         xcb_icccm_get_wm_protocols_reply_t      wpr;
7235
7236         if ((win = find_window(id)) != NULL) {
7237                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x already "
7238                     "managed; skipping.)\n", id);
7239                 return (win);   /* Already managed. */
7240         }
7241
7242         /* See if window is on the unmanaged list. */
7243         if ((win = find_unmanaged_window(id)) != NULL) {
7244                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x found on "
7245                     "unmanaged list.\n", id);
7246                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
7247
7248                 if (win->transient)
7249                         set_child_transient(win, &trans);
7250
7251                 goto out;
7252         } else {
7253                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x is new.\n", id);
7254         }
7255
7256         /* Create and initialize ws_win object. */
7257         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
7258                 err(1, "manage_window: calloc: failed to allocate memory for "
7259                     "new window");
7260
7261         win->id = id;
7262
7263         /* Get window geometry. */
7264         win->wa = xcb_get_geometry_reply(conn,
7265             xcb_get_geometry(conn, win->id),
7266             NULL);
7267
7268         /* Figure out which region the window belongs to. */
7269         r = root_to_region(win->wa->root, SWM_CK_ALL);
7270
7271         /* Ignore window border if there is one. */
7272         WIDTH(win) = win->wa->width;
7273         HEIGHT(win) = win->wa->height;
7274         X(win) = win->wa->x + win->wa->border_width - border_width;
7275         Y(win) = win->wa->y + win->wa->border_width - border_width;
7276         win->bordered = 1;
7277         win->mapped = mapped;
7278         win->floatmaxed = 0;
7279         win->ewmh_flags = 0;
7280         win->s = r->s;  /* this never changes */
7281
7282         store_float_geom(win, r);
7283
7284         /* Get WM_SIZE_HINTS. */
7285         xcb_icccm_get_wm_normal_hints_reply(conn,
7286             xcb_icccm_get_wm_normal_hints(conn, win->id),
7287             &win->sh, NULL);
7288
7289         /* Get WM_HINTS. */
7290         xcb_icccm_get_wm_hints_reply(conn,
7291             xcb_icccm_get_wm_hints(conn, win->id),
7292             &win->hints, NULL);
7293
7294         /* Get WM_TRANSIENT_FOR; see if window is a transient. */
7295         xcb_icccm_get_wm_transient_for_reply(conn,
7296             xcb_icccm_get_wm_transient_for(conn, win->id),
7297             &trans, NULL);
7298         if (trans) {
7299                 win->transient = trans;
7300                 set_child_transient(win, &win->transient);
7301         }
7302
7303         /* Get supported protocols. */
7304         if (xcb_icccm_get_wm_protocols_reply(conn,
7305             xcb_icccm_get_wm_protocols(conn, win->id, a_prot),
7306             &wpr, NULL)) {
7307                 for (i = 0; i < wpr.atoms_len; i++) {
7308                         if (wpr.atoms[i] == a_takefocus)
7309                                 win->take_focus = 1;
7310                         if (wpr.atoms[i] == a_delete)
7311                                 win->can_delete = 1;
7312                 }
7313                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
7314         }
7315
7316         win->iconic = get_swm_iconic(win);
7317
7318         /* Figure out which workspace the window belongs to. */
7319         if ((p = find_pid(window_get_pid(win->id))) != NULL) {
7320                 win->ws = &r->s->ws[p->ws];
7321                 TAILQ_REMOVE(&pidlist, p, entry);
7322                 free(p);
7323                 p = NULL;
7324         } else if ((ws_idx = get_ws_idx(win->id)) != -1 &&
7325             !win->transient) {
7326                 /* _SWM_WS is set; use that. */
7327                 win->ws = &r->s->ws[ws_idx];
7328         } else if (trans && (ww = find_window(trans)) != NULL) {
7329                 /* Launch transients in the same ws as parent. */
7330                 win->ws = ww->ws;
7331         } else {
7332                 win->ws = r->ws;
7333         }
7334
7335         /* Set the _SWM_WS atom so we can remember this after reincarnation. */
7336         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", win->ws->idx) <
7337             SWM_PROPLEN) {
7338                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
7339                     ws_idx_str);
7340                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
7341                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
7342                     ws_idx_str);
7343         }
7344
7345         /* Handle EWMH */
7346         ewmh_autoquirk(win);
7347
7348         /* Determine initial quirks. */
7349         if (xcb_icccm_get_wm_class_reply(conn,
7350             xcb_icccm_get_wm_class(conn, win->id),
7351             &win->ch, NULL)) {
7352                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
7353                     win->ch.class_name, win->ch.instance_name);
7354
7355                 /* java is retarded so treat it special */
7356                 if (strstr(win->ch.instance_name, "sun-awt")) {
7357                         DNPRINTF(SWM_D_CLASS, "manage_window: java window "
7358                             "detected.\n");
7359                         win->java = 1;
7360                 }
7361
7362                 TAILQ_FOREACH(qp, &quirks, entry) {
7363                         if (!strcmp(win->ch.class_name, qp->class) &&
7364                             !strcmp(win->ch.instance_name, qp->name)) {
7365                                 DNPRINTF(SWM_D_CLASS, "manage_window: on quirks"
7366                                     "list; mask: 0x%lx\n", qp->quirk);
7367                                 if (qp->quirk & SWM_Q_FLOAT)
7368                                         win->floating = 1;
7369                                 win->quirks = qp->quirk;
7370                         }
7371                 }
7372         }
7373
7374         /* Alter window position if quirky */
7375         if (win->quirks & SWM_Q_ANYWHERE)
7376                 win->manual = 1;
7377
7378         /* Reset font sizes (the bruteforce way; no default keybinding). */
7379         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
7380                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7381                         fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
7382                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7383                         fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
7384         }
7385
7386         /* Make sure window is positioned inside its region, if its active. */
7387         if (win->ws->r) {
7388                 constrain_window(win, win->ws->r, 0);
7389                 update_window(win);
7390         }
7391
7392         /* Select which X events to monitor and set border pixel color. */
7393         wa[0] = win->s->c[SWM_S_COLOR_UNFOCUS].pixel;
7394         wa[1] = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_PROPERTY_CHANGE |
7395             XCB_EVENT_MASK_STRUCTURE_NOTIFY;
7396 #ifdef SWM_DEBUG
7397         wa[1] |= XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE;
7398 #endif
7399
7400         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL |
7401             XCB_CW_EVENT_MASK, wa);
7402
7403 out:
7404         /* Figure out where to stack the window in the workspace. */
7405         if (trans && (ww = find_window(trans)))
7406                 TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
7407         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
7408                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
7409                     entry);
7410         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
7411                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
7412         else switch (spawn_position) {
7413         default:
7414         case SWM_STACK_TOP:
7415         case SWM_STACK_ABOVE:
7416                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
7417                 break;
7418         case SWM_STACK_BOTTOM:
7419         case SWM_STACK_BELOW:
7420                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
7421         }
7422
7423         /* Get initial _NET_WM_STATE */
7424         ewmh_get_win_state(win);
7425         /* Set initial _NET_WM_ALLOWED_ACTIONS */
7426         ewmh_update_actions(win);
7427
7428         grabbuttons(win);
7429
7430         DNPRINTF(SWM_D_MISC, "manage_window: done. window: 0x%x, (x,y) w x h: "
7431             "(%d,%d) %d x %d, ws: %d, iconic: %s, transient: 0x%x\n", win->id,
7432             X(win), Y(win), WIDTH(win), HEIGHT(win), win->ws->idx,
7433             YESNO(win->iconic), win->transient);
7434
7435         return (win);
7436 }
7437
7438 void
7439 free_window(struct ws_win *win)
7440 {
7441         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
7442
7443         if (win == NULL)
7444                 return;
7445
7446         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
7447
7448         if (win->wa)
7449                 free(win->wa);
7450
7451         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
7452
7453         kill_refs(win);
7454
7455         /* paint memory */
7456         memset(win, 0xff, sizeof *win); /* XXX kill later */
7457
7458         free(win);
7459         DNPRINTF(SWM_D_MISC, "free_window: done.\n");
7460 }
7461
7462 void
7463 unmanage_window(struct ws_win *win)
7464 {
7465         struct ws_win           *parent;
7466
7467         if (win == NULL)
7468                 return;
7469
7470         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
7471
7472         if (win->transient) {
7473                 parent = find_window(win->transient);
7474                 if (parent)
7475                         parent->focus_child = NULL;
7476         }
7477
7478         TAILQ_REMOVE(&win->ws->winlist, win, entry);
7479         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
7480 }
7481
7482 void
7483 expose(xcb_expose_event_t *e)
7484 {
7485         int                     i, num_screens;
7486         struct swm_region       *r;
7487
7488         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
7489
7490         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7491         for (i = 0; i < num_screens; i++)
7492                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7493                         if (e->window == WINID(r->bar))
7494                                 bar_draw();
7495
7496         xcb_flush(conn);
7497 }
7498
7499 #ifdef SWM_DEBUG
7500 void
7501 focusin(xcb_focus_in_event_t *e)
7502 {
7503         DNPRINTF(SWM_D_EVENT, "focusin: window: 0x%x, mode: %s(%u), "
7504             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
7505             e->mode, get_notify_detail_label(e->detail), e->detail);
7506 }
7507
7508 void
7509 focusout(xcb_focus_out_event_t *e)
7510 {
7511         DNPRINTF(SWM_D_EVENT, "focusout: window: 0x%x, mode: %s(%u), "
7512             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
7513             e->mode, get_notify_detail_label(e->detail), e->detail);
7514 }
7515 #endif
7516
7517 void
7518 keypress(xcb_key_press_event_t *e)
7519 {
7520         xcb_keysym_t            keysym;
7521         struct key              *kp;
7522
7523         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
7524
7525         DNPRINTF(SWM_D_EVENT, "keypress: keysym: %u, win (x,y): 0x%x (%d,%d), "
7526             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
7527             "state: %u, same_screen: %s\n", keysym, e->event, e->event_x,
7528             e->event_y, e->detail, e->time, e->root, e->root_x, e->root_y,
7529             e->child, e->state, YESNO(e->same_screen));
7530
7531         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
7532                 goto out;
7533
7534         last_event_time = e->time;
7535
7536         if (kp->funcid == KF_SPAWN_CUSTOM)
7537                 spawn_custom(root_to_region(e->root, SWM_CK_ALL),
7538                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
7539         else if (keyfuncs[kp->funcid].func)
7540                 keyfuncs[kp->funcid].func(root_to_region(e->root, SWM_CK_ALL),
7541                     &(keyfuncs[kp->funcid].args));
7542
7543 out:
7544         /* Unfreeze grab events. */
7545         xcb_allow_events(conn, XCB_ALLOW_ASYNC_KEYBOARD, e->time);
7546         xcb_flush(conn);
7547
7548         DNPRINTF(SWM_D_EVENT, "keypress: done.\n");
7549 }
7550
7551 void
7552 buttonpress(xcb_button_press_event_t *e)
7553 {
7554         struct ws_win           *win = NULL;
7555         struct swm_region       *r, *old_r;
7556         int                     i;
7557         int                     handled = 0;
7558
7559         DNPRINTF(SWM_D_EVENT, "buttonpress: win (x,y): 0x%x (%d,%d), "
7560             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
7561             "state: %u, same_screen: %s\n", e->event, e->event_x, e->event_y,
7562             e->detail, e->time, e->root, e->root_x, e->root_y, e->child,
7563             e->state, YESNO(e->same_screen));
7564
7565         if (e->event == e->root) {
7566                 if (e->child != 0) {
7567                         win = find_window(e->child);
7568                         /* Pass ButtonPress to window if it isn't managed. */
7569                         if (win == NULL)
7570                                 goto out;
7571                 } else {
7572                         /* Focus on empty region */
7573                         /* If no windows on region if its empty. */
7574                         r = root_to_region(e->root, SWM_CK_POINTER);
7575                         if (r == NULL) {
7576                                 DNPRINTF(SWM_D_EVENT, "buttonpress: "
7577                                     "NULL region; ignoring.\n");
7578                                 goto out;
7579                         }
7580
7581                         if (TAILQ_EMPTY(&r->ws->winlist)) {
7582                                 old_r = root_to_region(e->root, SWM_CK_FOCUS);
7583                                 if (old_r && old_r != r)
7584                                         unfocus_win(old_r->ws->focus);
7585
7586                                 xcb_set_input_focus(conn,
7587                                     XCB_INPUT_FOCUS_PARENT, e->root, e->time);
7588
7589                                 /* Clear bar since empty. */
7590                                 bar_draw();
7591
7592                                 handled = 1;
7593                                 goto out;
7594                         }
7595                 }
7596         } else {
7597                 win = find_window(e->event);
7598         }
7599
7600         if (win == NULL)
7601                 goto out;
7602
7603         last_event_time = e->time;
7604
7605         focus_win(get_focus_magic(win));
7606
7607         for (i = 0; i < LENGTH(buttons); i++)
7608                 if (client_click == buttons[i].action && buttons[i].func &&
7609                     buttons[i].button == e->detail &&
7610                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state)) {
7611                         buttons[i].func(win, &buttons[i].args);
7612                         handled = 1;
7613                 }
7614
7615 out:
7616         if (!handled) {
7617                 DNPRINTF(SWM_D_EVENT, "buttonpress: passing to window.\n");
7618                 /* Replay event to event window */
7619                 xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, e->time);
7620         } else {
7621                 DNPRINTF(SWM_D_EVENT, "buttonpress: handled.\n");
7622                 /* Unfreeze grab events. */
7623                 xcb_allow_events(conn, XCB_ALLOW_SYNC_POINTER, e->time);
7624         }
7625
7626         xcb_flush(conn);
7627 }
7628
7629 #ifdef SWM_DEBUG
7630 void
7631 print_win_geom(xcb_window_t w)
7632 {
7633         xcb_get_geometry_reply_t        *wa;
7634
7635         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
7636
7637         if (!wa) {
7638                 DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: 0x%x\n",
7639                     w);
7640                 return;
7641         }
7642
7643         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
7644             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
7645             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
7646             wa->border_width);
7647
7648         free(wa);
7649 }
7650 #endif
7651
7652 #ifdef SWM_DEBUG
7653 char *
7654 get_stack_mode_name(uint8_t mode)
7655 {
7656         char    *name;
7657
7658         switch(mode) {
7659         case XCB_STACK_MODE_ABOVE:
7660                 name = "Above";
7661                 break;
7662         case XCB_STACK_MODE_BELOW:
7663                 name = "Below";
7664                 break;
7665         case XCB_STACK_MODE_TOP_IF:
7666                 name = "TopIf";
7667                 break;
7668         case XCB_STACK_MODE_BOTTOM_IF:
7669                 name = "BottomIf";
7670                 break;
7671         case XCB_STACK_MODE_OPPOSITE:
7672                 name = "Opposite";
7673                 break;
7674         default:
7675                 name = "Unknown";
7676         }
7677
7678         return name;
7679 }
7680 #endif
7681
7682 void
7683 configurerequest(xcb_configure_request_event_t *e)
7684 {
7685         struct ws_win           *win;
7686         struct swm_region       *r = NULL;
7687         int                     new = 0, i = 0;
7688         uint16_t                mask = 0;
7689         uint32_t                wc[7] = {0};
7690
7691         if ((win = find_window(e->window)) == NULL)
7692                 if ((win = find_unmanaged_window(e->window)) == NULL)
7693                         new = 1;
7694
7695 #ifdef SWM_DEBUG
7696         if (swm_debug & SWM_D_EVENT) {
7697                 print_win_geom(e->window);
7698
7699                 DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%x, "
7700                     "parent: 0x%x, new: %s, value_mask: %u { ", e->window,
7701                     e->parent, YESNO(new), e->value_mask);
7702                 if (e->value_mask & XCB_CONFIG_WINDOW_X)
7703                         DPRINTF("X: %d ", e->x);
7704                 if (e->value_mask & XCB_CONFIG_WINDOW_Y)
7705                         DPRINTF("Y: %d ", e->y);
7706                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
7707                         DPRINTF("W: %u ", e->width);
7708                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
7709                         DPRINTF("H: %u ", e->height);
7710                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
7711                         DPRINTF("Border: %u ", e->border_width);
7712                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING)
7713                         DPRINTF("Sibling: 0x%x ", e->sibling);
7714                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE)
7715                         DPRINTF("StackMode: %s(%u) ",
7716                             get_stack_mode_name(e->stack_mode), e->stack_mode);
7717                 DPRINTF("}\n");
7718         }
7719 #endif
7720
7721         if (new) {
7722                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
7723                         mask |= XCB_CONFIG_WINDOW_X;
7724                         wc[i++] = e->x;
7725                 }
7726                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
7727                         mask |= XCB_CONFIG_WINDOW_Y;
7728                         wc[i++] = e->y;
7729                 }
7730                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
7731                         mask |= XCB_CONFIG_WINDOW_WIDTH;
7732                         wc[i++] = e->width;
7733                 }
7734                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
7735                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
7736                         wc[i++] = e->height;
7737                 }
7738                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
7739                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
7740                         wc[i++] = e->border_width;
7741                 }
7742                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
7743                         mask |= XCB_CONFIG_WINDOW_SIBLING;
7744                         wc[i++] = e->sibling;
7745                 }
7746                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
7747                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
7748                         wc[i++] = e->stack_mode;
7749                 }
7750
7751                 if (mask != 0) {
7752                         xcb_configure_window(conn, e->window, mask, wc);
7753                         xcb_flush(conn);
7754                 }
7755         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
7756             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
7757                 if (win->ws->r)
7758                         r = win->ws->r;
7759                 else if (win->ws->old_r)
7760                         r = win->ws->old_r;
7761
7762                 /* windows are centered unless ANYWHERE quirk is set. */
7763                 if (win->quirks & SWM_Q_ANYWHERE) {
7764                         if (e->value_mask & XCB_CONFIG_WINDOW_X) {
7765                                 win->g_float.x = e->x;
7766                                 if (r)
7767                                         win->g_float.x -= X(r);
7768                         }
7769
7770                         if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
7771                                 win->g_float.y = e->y;
7772                                 if (r)
7773                                         win->g_float.y -= Y(r);
7774                         }
7775                 }
7776
7777                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
7778                         win->g_float.w = e->width;
7779
7780                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
7781                         win->g_float.h = e->height;
7782
7783                 win->g_floatvalid = 1;
7784
7785                 if (win->floating && r && (win->transient ||
7786                     win->ws->cur_layout != &layouts[SWM_MAX_STACK])) {
7787                         WIDTH(win) = win->g_float.w;
7788                         HEIGHT(win) = win->g_float.h;
7789
7790                         if (r) {
7791                                 stack_floater(win, r);
7792                                 focus_flush();
7793                         }
7794                 } else {
7795                         config_win(win, e);
7796                         xcb_flush(conn);
7797                 }
7798         } else {
7799                 config_win(win, e);
7800                 xcb_flush(conn);
7801         }
7802
7803         DNPRINTF(SWM_D_EVENT, "configurerequest: done.\n");
7804 }
7805
7806 void
7807 configurenotify(xcb_configure_notify_event_t *e)
7808 {
7809         struct ws_win           *win;
7810
7811         DNPRINTF(SWM_D_EVENT, "configurenotify: win 0x%x, event win: 0x%x, "
7812             "(x,y) WxH: (%d,%d) %ux%u, border: %u, above_sibling: 0x%x, "
7813             "override_redirect: %s\n", e->window, e->event, e->x, e->y,
7814             e->width, e->height, e->border_width, e->above_sibling,
7815             YESNO(e->override_redirect));
7816
7817         win = find_window(e->window);
7818         if (win) {
7819                 xcb_icccm_get_wm_normal_hints_reply(conn,
7820                     xcb_icccm_get_wm_normal_hints(conn, win->id),
7821                     &win->sh, NULL);
7822                 adjust_font(win);
7823                 if (font_adjusted) {
7824                         stack();
7825                         xcb_flush(conn);
7826                 }
7827         }
7828 }
7829
7830 void
7831 destroynotify(xcb_destroy_notify_event_t *e)
7832 {
7833         struct ws_win           *win;
7834
7835         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
7836
7837         if ((win = find_window(e->window)) == NULL) {
7838                 if ((win = find_unmanaged_window(e->window)) == NULL)
7839                         return;
7840                 free_window(win);
7841                 return;
7842         }
7843
7844         if (focus_mode != SWM_FOCUS_FOLLOW) {
7845                 /* If we were focused, make sure we focus on something else. */
7846                 if (win == win->ws->focus)
7847                         win->ws->focus_pending = get_focus_prev(win);
7848         }
7849
7850         unmanage_window(win);
7851         stack();
7852
7853         if (focus_mode != SWM_FOCUS_FOLLOW) {
7854                 if (win->ws->focus_pending) {
7855                         focus_win(win->ws->focus_pending);
7856                         win->ws->focus_pending = NULL;
7857                 }
7858         }
7859
7860         free_window(win);
7861
7862         focus_flush();
7863 }
7864
7865 #ifdef SWM_DEBUG
7866 char *
7867 get_notify_detail_label(uint8_t detail)
7868 {
7869         char *label;
7870
7871         switch (detail) {
7872         case XCB_NOTIFY_DETAIL_ANCESTOR:
7873                 label = "Ancestor";
7874                 break;
7875         case XCB_NOTIFY_DETAIL_VIRTUAL:
7876                 label = "Virtual";
7877                 break;
7878         case XCB_NOTIFY_DETAIL_INFERIOR:
7879                 label = "Inferior";
7880                 break;
7881         case XCB_NOTIFY_DETAIL_NONLINEAR:
7882                 label = "Nonlinear";
7883                 break;
7884         case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
7885                 label = "NonlinearVirtual";
7886                 break;
7887         case XCB_NOTIFY_DETAIL_POINTER:
7888                 label = "Pointer";
7889                 break;
7890         case XCB_NOTIFY_DETAIL_POINTER_ROOT:
7891                 label = "PointerRoot";
7892                 break;
7893         case XCB_NOTIFY_DETAIL_NONE:
7894                 label = "None";
7895                 break;
7896         default:
7897                 label = "Unknown";
7898         }
7899
7900         return label;
7901 }
7902
7903 char *
7904 get_notify_mode_label(uint8_t mode)
7905 {
7906         char *label;
7907
7908         switch (mode) {
7909         case XCB_NOTIFY_MODE_NORMAL:
7910                 label = "Normal";
7911                 break;
7912         case XCB_NOTIFY_MODE_GRAB:
7913                 label = "Grab";
7914                 break;
7915         case XCB_NOTIFY_MODE_UNGRAB:
7916                 label = "Ungrab";
7917                 break;
7918         case XCB_NOTIFY_MODE_WHILE_GRABBED:
7919                 label = "WhileGrabbed";
7920                 break;
7921         default:
7922                 label = "Unknown";
7923         }
7924
7925         return label;
7926 }
7927 #endif
7928
7929 void
7930 enternotify(xcb_enter_notify_event_t *e)
7931 {
7932         struct ws_win           *win;
7933         struct swm_region       *old_r, *r;
7934
7935         DNPRINTF(SWM_D_FOCUS, "enternotify: time: %u, win (x,y): 0x%x "
7936             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
7937             "child: 0x%x, same_screen_focus: %s, state: %d\n",
7938             e->time, e->event, e->event_x, e->event_y,
7939             get_notify_mode_label(e->mode), e->mode,
7940             get_notify_detail_label(e->detail), e->detail,
7941             e->root, e->root_x, e->root_y, e->child,
7942             YESNO(e->same_screen_focus), e->state);
7943
7944         if (focus_mode == SWM_FOCUS_MANUAL &&
7945             e->mode == XCB_NOTIFY_MODE_NORMAL) {
7946                 DNPRINTF(SWM_D_EVENT, "enternotify: manual focus; ignoring.\n");
7947                 return;
7948         }
7949
7950         last_event_time = e->time;
7951
7952         if ((win = find_window(e->event)) == NULL) {
7953                 if (e->event == e->root) {
7954                         /* If no windows on pointer region, then focus root. */
7955                         r = root_to_region(e->root, SWM_CK_POINTER);
7956                         if (r == NULL) {
7957                                 DNPRINTF(SWM_D_EVENT, "enterntoify: "
7958                                     "NULL region; ignoring.\n");
7959                                 return;
7960                         }
7961
7962                         if (TAILQ_EMPTY(&r->ws->winlist)) {
7963                                 old_r = root_to_region(e->root, SWM_CK_FOCUS);
7964                                 if (old_r && old_r != r)
7965                                         unfocus_win(old_r->ws->focus);
7966
7967                                 xcb_set_input_focus(conn,
7968                                     XCB_INPUT_FOCUS_PARENT, e->root, e->time);
7969
7970                                 /* Clear bar since empty. */
7971                                 bar_draw();
7972
7973                                 focus_flush();
7974                         }
7975                 } else {
7976                         DNPRINTF(SWM_D_EVENT, "enternotify: window is NULL; "
7977                             "ignoring\n");
7978                 }
7979                 return;
7980         }
7981
7982         focus_win(get_focus_magic(win));
7983
7984         xcb_flush(conn);
7985 }
7986
7987 #ifdef SWM_DEBUG
7988 void
7989 leavenotify(xcb_leave_notify_event_t *e)
7990 {
7991         DNPRINTF(SWM_D_FOCUS, "leavenotify: time: %u, win (x,y): 0x%x "
7992             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
7993             "child: 0x%x, same_screen_focus: %s, state: %d\n",
7994             e->time, e->event, e->event_x, e->event_y,
7995             get_notify_mode_label(e->mode), e->mode,
7996             get_notify_detail_label(e->detail), e->detail,
7997             e->root, e->root_x, e->root_y, e->child,
7998             YESNO(e->same_screen_focus), e->state);
7999 }
8000 #endif
8001
8002 void
8003 mapnotify(xcb_map_notify_event_t *e)
8004 {
8005         struct ws_win           *win;
8006
8007         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
8008
8009         if ((win = find_window(e->window)) == NULL)
8010                 win = manage_window(e->window, 1);
8011
8012         win->mapped = 1;
8013         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
8014
8015         if (focus_mode != SWM_FOCUS_FOLLOW) {
8016                 if (win->ws->focus_pending == win) {
8017                         focus_win(win);
8018                         win->ws->focus_pending = NULL;
8019                         focus_flush();
8020                 }
8021         }
8022
8023         xcb_flush(conn);
8024 }
8025
8026 void
8027 mappingnotify(xcb_mapping_notify_event_t *e)
8028 {
8029         xcb_refresh_keyboard_mapping(syms, e);
8030
8031         if (e->request == XCB_MAPPING_KEYBOARD)
8032                 grabkeys();
8033 }
8034
8035 void
8036 maprequest(xcb_map_request_event_t *e)
8037 {
8038         struct ws_win           *win;
8039         xcb_get_window_attributes_reply_t *war;
8040
8041         DNPRINTF(SWM_D_EVENT, "maprequest: win 0x%x\n",
8042             e->window);
8043
8044         war = xcb_get_window_attributes_reply(conn,
8045             xcb_get_window_attributes(conn, e->window),
8046             NULL);
8047         if (war == NULL) {
8048                 DNPRINTF(SWM_D_EVENT, "maprequest: window lost.\n");
8049                 goto out;
8050         }
8051
8052         if (war->override_redirect) {
8053                 DNPRINTF(SWM_D_EVENT, "maprequest: override_redirect; "
8054                     "skipping.\n");
8055                 goto out;
8056         }
8057
8058         win = manage_window(e->window,
8059             (war->map_state == XCB_MAP_STATE_VIEWABLE));
8060
8061         /* The new window should get focus; prepare. */
8062         if (focus_mode != SWM_FOCUS_FOLLOW)
8063                 win->ws->focus_pending = get_focus_magic(win);
8064
8065         /* All windows need to be mapped if they are in the current workspace.*/
8066         if (win->ws->r)
8067                 stack();
8068
8069         /* Ignore EnterNotify to handle the mapnotify without interference. */
8070         if (focus_mode == SWM_FOCUS_DEFAULT)
8071                 event_drain(XCB_ENTER_NOTIFY);
8072 out:
8073         free(war);
8074         DNPRINTF(SWM_D_EVENT, "maprequest: done.\n");
8075 }
8076
8077 #ifdef SWM_DEBUG
8078 char *
8079 get_atom_name(xcb_atom_t atom)
8080 {
8081         char                            *name = NULL;
8082 #if 0
8083         /*
8084          * This should be disabled during most debugging since
8085          * xcb_get_* causes an xcb_flush.
8086          */
8087         size_t                          len;
8088         xcb_get_atom_name_reply_t       *r;
8089
8090         r = xcb_get_atom_name_reply(conn,
8091             xcb_get_atom_name(conn, atom),
8092             NULL);
8093         if (r) {
8094                 len = xcb_get_atom_name_name_length(r);
8095                 if (len > 0) {
8096                         name = malloc(len + 1);
8097                         if (name) {
8098                                 memcpy(name, xcb_get_atom_name_name(r), len);
8099                                 name[len] = '\0';
8100                         }
8101                 }
8102                 free(r);
8103         }
8104 #else
8105         (void)atom;
8106 #endif
8107         return (name);
8108 }
8109 #endif
8110
8111 void
8112 propertynotify(xcb_property_notify_event_t *e)
8113 {
8114         struct ws_win           *win;
8115 #ifdef SWM_DEBUG
8116         char                    *name;
8117
8118         name = get_atom_name(e->atom);
8119         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u), "
8120             "time: %#x, state: %u\n", e->window, name, e->atom, e->time,
8121             e->state);
8122         free(name);
8123 #endif
8124         win = find_window(e->window);
8125         if (win == NULL)
8126                 return;
8127
8128         last_event_time = e->time;
8129
8130         if (e->atom == a_swm_iconic) {
8131                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8132                         if (focus_mode != SWM_FOCUS_FOLLOW)
8133                                 win->ws->focus_pending = get_focus_prev(win);
8134
8135                         unfocus_win(win);
8136                         unmap_window(win);
8137
8138                         if (win->ws->r) {
8139                                 stack();
8140                                 if (focus_mode != SWM_FOCUS_FOLLOW) {
8141                                         focus_win(win->ws->focus_pending);
8142                                         win->ws->focus_pending = NULL;
8143                                 }
8144                                 focus_flush();
8145                         }
8146                 } else if (e->state == XCB_PROPERTY_DELETE) {
8147                         /* The window is no longer iconic, restack ws. */
8148                         if (focus_mode != SWM_FOCUS_FOLLOW)
8149                                 win->ws->focus_pending = get_focus_magic(win);
8150
8151                         stack();
8152
8153                         /* Flush EnterNotify for mapnotify, if needed. */
8154                         focus_flush();
8155                 }
8156         } else if (e->atom == a_state) {
8157                 /* State just changed, make sure it gets focused if mapped. */
8158                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8159                         if (focus_mode != SWM_FOCUS_FOLLOW) {
8160                                 if (win->mapped &&
8161                                     win->ws->focus_pending == win) {
8162                                         focus_win(win->ws->focus_pending);
8163                                         win->ws->focus_pending = NULL;
8164                                 }
8165                         }
8166                 }
8167         } else if (e->atom == XCB_ATOM_WM_CLASS ||
8168             e->atom == XCB_ATOM_WM_NAME) {
8169                 bar_draw();
8170         }
8171
8172         xcb_flush(conn);
8173 }
8174
8175 void
8176 unmapnotify(xcb_unmap_notify_event_t *e)
8177 {
8178         struct ws_win           *win;
8179         struct workspace        *ws;
8180
8181         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
8182
8183         /* If we aren't managing the window, then ignore. */
8184         win = find_window(e->window);
8185         if (win == NULL)
8186                 return;
8187
8188         ws = win->ws;
8189
8190         if (getstate(e->window) != XCB_ICCCM_WM_STATE_ICONIC)
8191                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8192
8193         if (win->mapped) {
8194                 /* window unmapped itself */
8195                 /* do unmap/unfocus/restack and unmanage */
8196                 win->mapped = 0;
8197
8198                 /* If win was focused, make sure to focus on something else. */
8199                 if (win == ws->focus) {
8200                         if (focus_mode != SWM_FOCUS_FOLLOW) {
8201                                 ws->focus_pending = get_focus_prev(win);
8202                                 DNPRINTF(SWM_D_EVENT, "unmapnotify: "
8203                                     "focus_pending: 0x%x\n",
8204                                     WINID(ws->focus_pending));
8205                         }
8206
8207                         unfocus_win(win);
8208                 }
8209
8210                 unmanage_window(win);
8211
8212                 if (ws->r)
8213                         stack();
8214
8215                 if (focus_mode == SWM_FOCUS_FOLLOW) {
8216                         if (ws->r)
8217                                 focus_win(get_pointer_win(ws->r->s->root));
8218                 } else {
8219                         if (ws->focus_pending) {
8220                                 focus_win(ws->focus_pending);
8221                                 ws->focus_pending = NULL;
8222                         }
8223                 }
8224         }
8225
8226         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL)
8227                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8228
8229         focus_flush();
8230 }
8231
8232 #if 0
8233 void
8234 visibilitynotify(xcb_visibility_notify_event_t *e)
8235 {
8236         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
8237             e->window);
8238 }
8239 #endif
8240
8241 void
8242 clientmessage(xcb_client_message_event_t *e)
8243 {
8244         struct ws_win *win;
8245         xcb_map_request_event_t mre;
8246 #ifdef SWM_DEBUG
8247         char                    *name;
8248
8249         name = get_atom_name(e->type);
8250         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
8251             e->window, name, e->type);
8252         free(name);
8253 #endif
8254         win = find_window(e->window);
8255
8256         if (win == NULL) {
8257                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8258                         /* Manage the window with maprequest. */
8259                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
8260                             "unmanaged window.\n");
8261                         mre.window = e->window;
8262                         maprequest(&mre);
8263                 }
8264                 return;
8265         }
8266
8267         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8268                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
8269                 focus_win(win);
8270         }
8271         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
8272                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
8273                 if (win->can_delete)
8274                         client_msg(win, a_delete, 0);
8275                 else
8276                         xcb_kill_client(conn, win->id);
8277         }
8278         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
8279                 DNPRINTF(SWM_D_EVENT,
8280                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
8281                 if (win->floating) {
8282                         if (e->data.data32[0] & (1<<8)) /* x */
8283                                 X(win) = e->data.data32[1];
8284                         if (e->data.data32[0] & (1<<9)) /* y */
8285                                 Y(win) = e->data.data32[2];
8286                         if (e->data.data32[0] & (1<<10)) /* width */
8287                                 WIDTH(win) = e->data.data32[3];
8288                         if (e->data.data32[0] & (1<<11)) /* height */
8289                                 HEIGHT(win) = e->data.data32[4];
8290
8291                         update_window(win);
8292                 }
8293                 else {
8294                         /* TODO: Change stack sizes */
8295                         /* notify no change was made. */
8296                         config_win(win, NULL);
8297                 }
8298         }
8299         if (e->type == ewmh[_NET_WM_STATE].atom) {
8300                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
8301                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
8302                 if (e->data.data32[2])
8303                         ewmh_update_win_state(win, e->data.data32[2],
8304                             e->data.data32[0]);
8305
8306                 stack();
8307         }
8308
8309         focus_flush();
8310 }
8311
8312 void
8313 check_conn(void)
8314 {
8315         int      errcode = xcb_connection_has_error(conn);
8316 #ifdef XCB_CONN_ERROR
8317         char    *s;
8318         switch (errcode) {
8319         case XCB_CONN_ERROR:
8320                 s = "Socket error, pipe error or other stream error.";
8321                 break;
8322         case XCB_CONN_CLOSED_EXT_NOTSUPPORTED:
8323                 s = "Extension not supported.";
8324                 break;
8325         case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
8326                 s = "Insufficient memory.";
8327                 break;
8328         case XCB_CONN_CLOSED_REQ_LEN_EXCEED:
8329                 s = "Request length was exceeded.";
8330                 break;
8331         case XCB_CONN_CLOSED_PARSE_ERR:
8332                 s = "Error parsing display string.";
8333                 break;
8334         default:
8335                 s = "Unknown error.";
8336         }
8337         if (errcode)
8338                 errx(errcode, "X CONNECTION ERROR: %s", s);
8339 #else
8340         if (errcode)
8341                 errx(errcode, "X CONNECTION ERROR");
8342 #endif
8343 }
8344
8345 int
8346 enable_wm(void)
8347 {
8348         int                     num_screens, i;
8349         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
8350             XCB_EVENT_MASK_ENTER_WINDOW;
8351         xcb_screen_t            *sc;
8352         xcb_void_cookie_t       wac;
8353         xcb_generic_error_t     *error;
8354
8355         /* this causes an error if some other window manager is running */
8356         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8357         for (i = 0; i < num_screens; i++) {
8358                 if ((sc = get_screen(i)) == NULL)
8359                         errx(1, "ERROR: can't get screen %d.", i);
8360                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
8361                     i, sc->root);
8362                 wac = xcb_change_window_attributes_checked(conn, sc->root,
8363                     XCB_CW_EVENT_MASK, &val);
8364                 if ((error = xcb_request_check(conn, wac))) {
8365                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
8366                             error->error_code);
8367                         free(error);
8368                         return 1;
8369                 }
8370
8371                 /* click to focus on empty region */
8372                 xcb_grab_button(conn, 1, sc->root, BUTTONMASK,
8373                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
8374                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_1, XCB_BUTTON_MASK_ANY);
8375         }
8376
8377         return 0;
8378 }
8379
8380 void
8381 new_region(struct swm_screen *s, int x, int y, int w, int h)
8382 {
8383         struct swm_region       *r, *n;
8384         struct workspace        *ws = NULL;
8385         int                     i;
8386
8387         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
8388              s->idx, w, h, x, y);
8389
8390         /* remove any conflicting regions */
8391         n = TAILQ_FIRST(&s->rl);
8392         while (n) {
8393                 r = n;
8394                 n = TAILQ_NEXT(r, entry);
8395                 if (X(r) < (x + w) &&
8396                     (X(r) + WIDTH(r)) > x &&
8397                     Y(r) < (y + h) &&
8398                     (Y(r) + HEIGHT(r)) > y) {
8399                         if (r->ws->r != NULL)
8400                                 r->ws->old_r = r->ws->r;
8401                         r->ws->r = NULL;
8402                         bar_cleanup(r);
8403                         TAILQ_REMOVE(&s->rl, r, entry);
8404                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
8405                 }
8406         }
8407
8408         /* search old regions for one to reuse */
8409
8410         /* size + location match */
8411         TAILQ_FOREACH(r, &s->orl, entry)
8412                 if (X(r) == x && Y(r) == y &&
8413                     HEIGHT(r) == h && WIDTH(r) == w)
8414                         break;
8415
8416         /* size match */
8417         TAILQ_FOREACH(r, &s->orl, entry)
8418                 if (HEIGHT(r) == h && WIDTH(r) == w)
8419                         break;
8420
8421         if (r != NULL) {
8422                 TAILQ_REMOVE(&s->orl, r, entry);
8423                 /* try to use old region's workspace */
8424                 if (r->ws->r == NULL)
8425                         ws = r->ws;
8426         } else
8427                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
8428                         err(1, "new_region: calloc: failed to allocate memory "
8429                             "for screen");
8430
8431         /* if we don't have a workspace already, find one */
8432         if (ws == NULL) {
8433                 for (i = 0; i < workspace_limit; i++)
8434                         if (s->ws[i].r == NULL) {
8435                                 ws = &s->ws[i];
8436                                 break;
8437                         }
8438         }
8439
8440         if (ws == NULL)
8441                 errx(1, "new_region: no free workspaces");
8442
8443         X(r) = x;
8444         Y(r) = y;
8445         WIDTH(r) = w;
8446         HEIGHT(r) = h;
8447         r->s = s;
8448         r->ws = ws;
8449         r->ws_prior = NULL;
8450         ws->r = r;
8451         outputs++;
8452         TAILQ_INSERT_TAIL(&s->rl, r, entry);
8453 }
8454
8455 void
8456 scan_xrandr(int i)
8457 {
8458 #ifdef SWM_XRR_HAS_CRTC
8459         int                                             c;
8460         int                                             ncrtc = 0;
8461 #endif /* SWM_XRR_HAS_CRTC */
8462         struct swm_region                               *r;
8463         int                                             num_screens;
8464         xcb_randr_get_screen_resources_current_cookie_t src;
8465         xcb_randr_get_screen_resources_current_reply_t  *srr;
8466         xcb_randr_get_crtc_info_cookie_t                cic;
8467         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
8468         xcb_randr_crtc_t                                *crtc;
8469         xcb_screen_t                                    *screen;
8470
8471         DNPRINTF(SWM_D_MISC, "scan_xrandr: screen: %d\n", i);
8472
8473         if ((screen = get_screen(i)) == NULL)
8474                 errx(1, "ERROR: can't get screen %d.", i);
8475
8476         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8477         if (i >= num_screens)
8478                 errx(1, "scan_xrandr: invalid screen");
8479
8480         /* remove any old regions */
8481         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
8482                 r->ws->old_r = r->ws->r = NULL;
8483                 bar_cleanup(r);
8484                 TAILQ_REMOVE(&screens[i].rl, r, entry);
8485                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
8486         }
8487         outputs = 0;
8488
8489         /* map virtual screens onto physical screens */
8490 #ifdef SWM_XRR_HAS_CRTC
8491         if (xrandr_support) {
8492                 src = xcb_randr_get_screen_resources_current(conn,
8493                     screens[i].root);
8494                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
8495                     NULL);
8496                 if (srr == NULL) {
8497                         new_region(&screens[i], 0, 0,
8498                             screen->width_in_pixels,
8499                             screen->height_in_pixels);
8500                         goto out;
8501                 } else
8502                         ncrtc = srr->num_crtcs;
8503
8504                 crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
8505                 for (c = 0; c < ncrtc; c++) {
8506                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
8507                             XCB_CURRENT_TIME);
8508                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
8509                         if (cir == NULL)
8510                                 continue;
8511                         if (cir->num_outputs == 0) {
8512                                 free(cir);
8513                                 continue;
8514                         }
8515
8516                         if (cir->mode == 0)
8517                                 new_region(&screens[i], 0, 0,
8518                                     screen->width_in_pixels,
8519                                     screen->height_in_pixels);
8520                         else
8521                                 new_region(&screens[i],
8522                                     cir->x, cir->y, cir->width, cir->height);
8523                         free(cir);
8524                 }
8525                 free(srr);
8526         }
8527 #endif /* SWM_XRR_HAS_CRTC */
8528
8529         /* If detection failed, create a single region that spans the screen. */
8530         if (TAILQ_EMPTY(&screens[i].rl))
8531                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
8532                     screen->height_in_pixels);
8533
8534 out:
8535         DNPRINTF(SWM_D_MISC, "scan_xrandr: done.\n");
8536 }
8537
8538 void
8539 screenchange(xcb_randr_screen_change_notify_event_t *e)
8540 {
8541         struct swm_region               *r;
8542         int                             i, num_screens;
8543
8544         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
8545
8546         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8547         /* silly event doesn't include the screen index */
8548         for (i = 0; i < num_screens; i++)
8549                 if (screens[i].root == e->root)
8550                         break;
8551         if (i >= num_screens)
8552                 errx(1, "screenchange: screen not found");
8553
8554         /* brute force for now, just re-enumerate the regions */
8555         scan_xrandr(i);
8556
8557 #ifdef SWM_DEBUG
8558         print_win_geom(e->root);
8559 #endif
8560         /* add bars to all regions */
8561         for (i = 0; i < num_screens; i++)
8562                 TAILQ_FOREACH(r, &screens[i].rl, entry)
8563                         bar_setup(r);
8564         stack();
8565 }
8566
8567 void
8568 grab_windows(void)
8569 {
8570         xcb_window_t            *wins = NULL, trans;
8571         int                     no;
8572         int                     i, j, num_screens;
8573         uint16_t                state, manage, mapped;
8574
8575         xcb_query_tree_cookie_t                 qtc;
8576         xcb_query_tree_reply_t                  *qtr;
8577         xcb_get_window_attributes_cookie_t      c;
8578         xcb_get_window_attributes_reply_t       *r;
8579         xcb_get_property_cookie_t               pc;
8580
8581         DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
8582         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8583         for (i = 0; i < num_screens; i++) {
8584                 qtc = xcb_query_tree(conn, screens[i].root);
8585                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
8586                 if (!qtr)
8587                         continue;
8588                 wins = xcb_query_tree_children(qtr);
8589                 no = xcb_query_tree_children_length(qtr);
8590                 /* attach windows to a region */
8591                 /* normal windows */
8592                 DNPRINTF(SWM_D_INIT, "grab_windows: grab top level windows.\n");
8593                 for (j = 0; j < no; j++) {
8594                         c = xcb_get_window_attributes(conn, wins[j]);
8595                         r = xcb_get_window_attributes_reply(conn, c, NULL);
8596                         if (!r) {
8597                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8598                                     "doesn't exist.\n", wins[j]);
8599                                 continue;
8600                         }
8601                         if (r->override_redirect) {
8602                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8603                                     "override_redirect set.\n", wins[j]);
8604                                 free(r);
8605                                 continue;
8606                         }
8607
8608                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
8609                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
8610                             &trans, NULL)) {
8611                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8612                                     "is transient for %#x.\n", wins[j], trans);
8613                                 free(r);
8614                                 continue;
8615                         }
8616
8617                         state = getstate(wins[j]);
8618                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
8619                         mapped = r->map_state != XCB_MAP_STATE_UNMAPPED;
8620                         if (mapped || manage)
8621                                 manage_window(wins[j], mapped);
8622                         free(r);
8623                 }
8624                 /* transient windows */
8625                 DNPRINTF(SWM_D_INIT, "grab_windows: grab transient windows.\n");
8626                 for (j = 0; j < no; j++) {
8627                         c = xcb_get_window_attributes(conn, wins[j]);
8628                         r = xcb_get_window_attributes_reply(conn, c, NULL);
8629                         if (!r) {
8630                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8631                                     "doesn't exist.\n", wins[j]);
8632                                 continue;
8633                         }
8634                         if (r->override_redirect) {
8635                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8636                                     "override_redirect set.\n", wins[j]);
8637                                 free(r);
8638                                 continue;
8639                         }
8640
8641                         state = getstate(wins[j]);
8642                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
8643                         mapped = r->map_state != XCB_MAP_STATE_UNMAPPED;
8644                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
8645                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
8646                             &trans, NULL) && manage)
8647                                 manage_window(wins[j], mapped);
8648                         free(r);
8649                 }
8650                 free(qtr);
8651         }
8652         DNPRINTF(SWM_D_INIT, "grab_windows: done.\n");
8653 }
8654
8655 void
8656 setup_screens(void)
8657 {
8658         int                     i, j, k, num_screens;
8659         struct workspace        *ws;
8660         uint32_t                gcv[1], wa[1];
8661         const xcb_query_extension_reply_t *qep;
8662         xcb_screen_t                            *screen;
8663         xcb_randr_query_version_cookie_t        c;
8664         xcb_randr_query_version_reply_t         *r;
8665
8666         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8667         if ((screens = calloc(num_screens,
8668              sizeof(struct swm_screen))) == NULL)
8669                 err(1, "setup_screens: calloc: failed to allocate memory for "
8670                     "screens");
8671
8672         /* initial Xrandr setup */
8673         xrandr_support = 0;
8674         qep = xcb_get_extension_data(conn, &xcb_randr_id);
8675         if (qep->present) {
8676                 c = xcb_randr_query_version(conn, 1, 1);
8677                 r = xcb_randr_query_version_reply(conn, c, NULL);
8678                 if (r) {
8679                         if (r->major_version >= 1) {
8680                                 xrandr_support = 1;
8681                                 xrandr_eventbase = qep->first_event;
8682                         }
8683                         free(r);
8684                 }
8685         }
8686
8687         wa[0] = cursors[XC_LEFT_PTR].cid;
8688
8689         /* map physical screens */
8690         for (i = 0; i < num_screens; i++) {
8691                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
8692                 screens[i].idx = i;
8693                 TAILQ_INIT(&screens[i].rl);
8694                 TAILQ_INIT(&screens[i].orl);
8695                 if ((screen = get_screen(i)) == NULL)
8696                         errx(1, "ERROR: can't get screen %d.", i);
8697                 screens[i].root = screen->root;
8698
8699                 /* set default colors */
8700                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
8701                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
8702                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
8703                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
8704                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
8705
8706                 /* create graphics context on screen */
8707                 screens[i].bar_gc = xcb_generate_id(conn);
8708                 gcv[0] = 0;
8709                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
8710                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
8711
8712                 /* set default cursor */
8713                 xcb_change_window_attributes(conn, screens[i].root,
8714                     XCB_CW_CURSOR, wa);
8715
8716                 /* init all workspaces */
8717                 /* XXX these should be dynamically allocated too */
8718                 for (j = 0; j < SWM_WS_MAX; j++) {
8719                         ws = &screens[i].ws[j];
8720                         ws->idx = j;
8721                         ws->name = NULL;
8722                         ws->bar_enabled = 1;
8723                         ws->focus = NULL;
8724                         ws->focus_prev = NULL;
8725                         ws->focus_pending = NULL;
8726                         ws->r = NULL;
8727                         ws->old_r = NULL;
8728                         TAILQ_INIT(&ws->winlist);
8729                         TAILQ_INIT(&ws->unmanagedlist);
8730
8731                         for (k = 0; layouts[k].l_stack != NULL; k++)
8732                                 if (layouts[k].l_config != NULL)
8733                                         layouts[k].l_config(ws,
8734                                             SWM_ARG_ID_STACKINIT);
8735                         ws->cur_layout = &layouts[0];
8736                         ws->cur_layout->l_string(ws);
8737                 }
8738
8739                 scan_xrandr(i);
8740
8741                 if (xrandr_support)
8742                         xcb_randr_select_input(conn, screens[i].root,
8743                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
8744         }
8745 }
8746
8747 void
8748 setup_globals(void)
8749 {
8750         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
8751                 err(1, "setup_globals: strdup: failed to allocate memory.");
8752
8753         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
8754                 err(1, "setup_globals: strdup: failed to allocate memory.");
8755
8756         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
8757                 errx(1, "unable to allocate key symbols");
8758
8759         a_state = get_atom_from_string("WM_STATE");
8760         a_prot = get_atom_from_string("WM_PROTOCOLS");
8761         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
8762         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
8763         a_wmname = get_atom_from_string("WM_NAME");
8764         a_netwmname = get_atom_from_string("_NET_WM_NAME");
8765         a_utf8_string = get_atom_from_string("UTF8_STRING");
8766         a_string = get_atom_from_string("STRING");
8767         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
8768         a_swm_ws = get_atom_from_string("_SWM_WS");
8769 }
8770
8771 void
8772 workaround(void)
8773 {
8774         int                     i, num_screens;
8775         xcb_atom_t              netwmcheck;
8776         xcb_window_t            root, win;
8777
8778         /* work around sun jdk bugs, code from wmname */
8779         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
8780
8781         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8782         for (i = 0; i < num_screens; i++) {
8783                 root = screens[i].root;
8784
8785                 win = xcb_generate_id(conn);
8786                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, root,
8787                     0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
8788                     XCB_COPY_FROM_PARENT, 0, NULL);
8789
8790                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
8791                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
8792                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
8793                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
8794                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
8795                     a_netwmname, a_utf8_string, 8, strlen("LG3D"), "LG3D");
8796         }
8797 }
8798
8799 void
8800 shutdown_cleanup(void)
8801 {
8802         int i, num_screens;
8803
8804         /* disable alarm because the following code may not be interrupted */
8805         alarm(0);
8806         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
8807                 err(1, "can't disable alarm");
8808
8809         bar_extra_stop();
8810         bar_extra = 1;
8811         unmap_all();
8812
8813         cursors_cleanup();
8814
8815         teardown_ewmh();
8816
8817         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8818         for (i = 0; i < num_screens; ++i) {
8819                 if (screens[i].bar_gc != 0)
8820                         xcb_free_gc(conn, screens[i].bar_gc);
8821                 if (!bar_font_legacy)
8822                         XftColorFree(display, DefaultVisual(display, i),
8823                             DefaultColormap(display, i), &bar_font_color);
8824         }
8825
8826         if (bar_font_legacy)
8827                 XFreeFontSet(display, bar_fs);
8828         else {
8829                 XftFontClose(display, bar_font);
8830         }
8831
8832         xcb_key_symbols_free(syms);
8833         xcb_flush(conn);
8834         xcb_disconnect(conn);
8835 }
8836
8837 void
8838 event_error(xcb_generic_error_t *e)
8839 {
8840         (void)e;
8841
8842         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
8843             "resource_id: %u, minor_code: %u\n",
8844             xcb_event_get_error_label(e->error_code), e->error_code,
8845             xcb_event_get_request_label(e->major_code), e->major_code,
8846             e->sequence, e->resource_id, e->minor_code);
8847 }
8848
8849 void
8850 event_handle(xcb_generic_event_t *evt)
8851 {
8852         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
8853
8854         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d), seq %u\n",
8855             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
8856             XCB_EVENT_RESPONSE_TYPE(evt), evt->sequence);
8857
8858         switch (type) {
8859 #define EVENT(type, callback) case type: callback((void *)evt); return
8860         EVENT(0, event_error);
8861         EVENT(XCB_BUTTON_PRESS, buttonpress);
8862         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
8863         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
8864         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
8865         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
8866         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
8867         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
8868         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
8869         /*EVENT(XCB_CREATE_NOTIFY, );*/
8870         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
8871         EVENT(XCB_ENTER_NOTIFY, enternotify);
8872         EVENT(XCB_EXPOSE, expose);
8873 #ifdef SWM_DEBUG
8874         EVENT(XCB_FOCUS_IN, focusin);
8875         EVENT(XCB_FOCUS_OUT, focusout);
8876 #endif
8877         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
8878         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
8879         EVENT(XCB_KEY_PRESS, keypress);
8880         /*EVENT(XCB_KEY_RELEASE, keypress);*/
8881         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
8882 #ifdef SWM_DEBUG
8883         EVENT(XCB_LEAVE_NOTIFY, leavenotify);
8884 #endif
8885         EVENT(XCB_MAP_NOTIFY, mapnotify);
8886         EVENT(XCB_MAP_REQUEST, maprequest);
8887         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
8888         /*EVENT(XCB_MOTION_NOTIFY, );*/
8889         /*EVENT(XCB_NO_EXPOSURE, );*/
8890         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
8891         /*EVENT(XCB_REPARENT_NOTIFY, );*/
8892         /*EVENT(XCB_RESIZE_REQUEST, );*/
8893         /*EVENT(XCB_SELECTION_CLEAR, );*/
8894         /*EVENT(XCB_SELECTION_NOTIFY, );*/
8895         /*EVENT(XCB_SELECTION_REQUEST, );*/
8896         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
8897         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
8898 #undef EVENT
8899         }
8900         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
8901                 screenchange((void *)evt);
8902 }
8903
8904 int
8905 main(int argc, char *argv[])
8906 {
8907         struct swm_region       *r, *rr;
8908         struct ws_win           *winfocus = NULL;
8909         char                    conf[PATH_MAX], *cfile = NULL;
8910         struct stat             sb;
8911         int                     xfd, i, num_screens;
8912         struct sigaction        sact;
8913         xcb_generic_event_t     *evt;
8914         struct timeval          tv;
8915         fd_set                  rd;
8916         int                     rd_max;
8917         int                     stdin_ready = 0;
8918         int                     num_readable;
8919
8920         /* suppress unused warning since var is needed */
8921         (void)argc;
8922
8923         time_started = time(NULL);
8924
8925         start_argv = argv;
8926         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
8927         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
8928                 warnx("no locale support");
8929
8930         /* handle some signals */
8931         bzero(&sact, sizeof(sact));
8932         sigemptyset(&sact.sa_mask);
8933         sact.sa_flags = 0;
8934         sact.sa_handler = sighdlr;
8935         sigaction(SIGINT, &sact, NULL);
8936         sigaction(SIGQUIT, &sact, NULL);
8937         sigaction(SIGTERM, &sact, NULL);
8938         sigaction(SIGHUP, &sact, NULL);
8939
8940         sact.sa_handler = sighdlr;
8941         sact.sa_flags = SA_NOCLDSTOP;
8942         sigaction(SIGCHLD, &sact, NULL);
8943
8944         if (!(display = XOpenDisplay(0)))
8945                 errx(1, "can not open display");
8946
8947         conn = XGetXCBConnection(display);
8948         if (xcb_connection_has_error(conn))
8949                 errx(1, "can not get XCB connection");
8950
8951         XSetEventQueueOwner(display, XCBOwnsEventQueue);
8952
8953         xcb_prefetch_extension_data(conn, &xcb_randr_id);
8954         xfd = xcb_get_file_descriptor(conn);
8955
8956         /* look for local and global conf file */
8957         pwd = getpwuid(getuid());
8958         if (pwd == NULL)
8959                 errx(1, "invalid user: %d", getuid());
8960
8961         xcb_grab_server(conn);
8962         xcb_aux_sync(conn);
8963
8964         /* flush all events */
8965         while ((evt = xcb_poll_for_event(conn))) {
8966                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
8967                         event_handle(evt);
8968                 free(evt);
8969         }
8970
8971         if (enable_wm() != 0)
8972                 errx(1, "another window manager is currently running");
8973
8974         /* Load Xcursors and/or cursorfont glyph cursors. */
8975         cursors_load();
8976
8977         xcb_aux_sync(conn);
8978
8979         setup_globals();
8980         setup_screens();
8981         setup_keys();
8982         setup_quirks();
8983         setup_spawn();
8984
8985         /* load config */
8986         for (i = 0; ; i++) {
8987                 conf[0] = '\0';
8988                 switch (i) {
8989                 case 0:
8990                         /* ~ */
8991                         snprintf(conf, sizeof conf, "%s/.%s",
8992                             pwd->pw_dir, SWM_CONF_FILE);
8993                         break;
8994                 case 1:
8995                         /* global */
8996                         snprintf(conf, sizeof conf, "/etc/%s",
8997                             SWM_CONF_FILE);
8998                         break;
8999                 case 2:
9000                         /* ~ compat */
9001                         snprintf(conf, sizeof conf, "%s/.%s",
9002                             pwd->pw_dir, SWM_CONF_FILE_OLD);
9003                         break;
9004                 case 3:
9005                         /* global compat */
9006                         snprintf(conf, sizeof conf, "/etc/%s",
9007                             SWM_CONF_FILE_OLD);
9008                         break;
9009                 default:
9010                         goto noconfig;
9011                 }
9012
9013                 if (strlen(conf) && stat(conf, &sb) != -1)
9014                         if (S_ISREG(sb.st_mode)) {
9015                                 cfile = conf;
9016                                 break;
9017                         }
9018         }
9019 noconfig:
9020
9021         /* load conf (if any) */
9022         if (cfile)
9023                 conf_load(cfile, SWM_CONF_DEFAULT);
9024
9025         setup_ewmh();
9026         /* set some values to work around bad programs */
9027         workaround();
9028         /* grab existing windows (before we build the bars) */
9029         grab_windows();
9030
9031         if (getenv("SWM_STARTED") == NULL)
9032                 setenv("SWM_STARTED", "YES", 1);
9033
9034         /* setup all bars */
9035         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
9036         for (i = 0; i < num_screens; i++)
9037                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
9038                         if (winfocus == NULL)
9039                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
9040                         bar_setup(r);
9041                 }
9042
9043         grabkeys();
9044         stack();
9045
9046         xcb_ungrab_server(conn);
9047         xcb_flush(conn);
9048
9049         rd_max = xfd > STDIN_FILENO ? xfd : STDIN_FILENO;
9050
9051         while (running) {
9052                 while ((evt = xcb_poll_for_event(conn))) {
9053                         if (!running)
9054                                 goto done;
9055                         event_handle(evt);
9056                         free(evt);
9057                 }
9058
9059                 /* If just (re)started, set default focus if needed. */
9060                 if (winfocus && focus_mode != SWM_FOCUS_FOLLOW) {
9061                         rr = winfocus->ws->r;
9062                         if (rr == NULL) {
9063                                 /* not a visible window */
9064                                 winfocus = NULL;
9065                                 continue;
9066                         }
9067
9068                         focus_win(get_region_focus(rr));
9069                         focus_flush();
9070                         winfocus = NULL;
9071                         continue;
9072                 }
9073
9074                 FD_ZERO(&rd);
9075                 FD_SET(STDIN_FILENO, &rd);
9076                 FD_SET(xfd, &rd);
9077                 tv.tv_sec = 1;
9078                 tv.tv_usec = 0;
9079                 num_readable = select(rd_max + 1, &rd, NULL, NULL, &tv);
9080                 if (num_readable == -1 && errno != EINTR) {
9081                         DNPRINTF(SWM_D_MISC, "select failed");
9082                 } else if (num_readable > 0 && FD_ISSET(STDIN_FILENO, &rd)) {
9083                         stdin_ready = 1;
9084                 }
9085
9086                 if (restart_wm)
9087                         restart(NULL, NULL);
9088
9089                 if (search_resp)
9090                         search_do_resp();
9091
9092                 if (!running)
9093                         goto done;
9094
9095                 if (stdin_ready) {
9096                         stdin_ready = 0;
9097                         bar_extra_update();
9098                 }
9099         }
9100 done:
9101         shutdown_cleanup();
9102
9103         return (0);
9104 }