spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2012 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  * Copyright (c) 2012 David Hill <dhill@mindcry.org>
  12  *
  13  * Permission to use, copy, modify, and distribute this software for any
  14  * purpose with or without fee is hereby granted, provided that the above
  15  * copyright notice and this permission notice appear in all copies.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  18  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  20  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  21  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  22  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  23  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  24  */
  25 /*
  26  * Much code and ideas taken from dwm under the following license:
  27  * MIT/X Consortium License
  28  *
  29  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  30  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  31  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  32  * 2007 Premysl Hruby <dfenze at gmail dot com>
  33  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  34  * 2007 Christof Musik <christof at sendfax dot de>
  35  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  36  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  37  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  38  *
  39  * Permission is hereby granted, free of charge, to any person obtaining a
  40  * copy of this software and associated documentation files (the "Software"),
  41  * to deal in the Software without restriction, including without limitation
  42  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  43  * and/or sell copies of the Software, and to permit persons to whom the
  44  * Software is furnished to do so, subject to the following conditions:
  45  *
  46  * The above copyright notice and this permission notice shall be included in
  47  * all copies or substantial portions of the Software.
  48  *
  49  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  50  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  51  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  52  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  53  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  54  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  55  * DEALINGS IN THE SOFTWARE.
  56  */
  57
  58 /* kernel includes */
  59 #include <sys/types.h>
  60 #include <sys/time.h>
  61 #include <sys/stat.h>
  62 #include <sys/wait.h>
  63 #include <sys/queue.h>
  64 #include <sys/param.h>
  65 #include <sys/select.h>
  66 #if defined(__linux__)
  67 #include "tree.h"
  68 #elif defined(__OpenBSD__)
  69 #include <sys/tree.h>
  70 #elif defined(__FreeBSD__)
  71 #include <sys/tree.h>
  72 #else
  73 #include "tree.h"
  74 #endif
  75
  76 /* /usr/includes */
  77 #include <ctype.h>
  78 #include <err.h>
  79 #include <errno.h>
  80 #include <fcntl.h>
  81 #include <locale.h>
  82 #include <paths.h>
  83 #include <pwd.h>
  84 #include <signal.h>
  85 #include <stdio.h>
  86 #include <stdlib.h>
  87 #include <string.h>
  88 #include <time.h>
  89 #include <unistd.h>
  90 #include <util.h>
  91 #include <X11/cursorfont.h>
  92 #include <X11/extensions/Xrandr.h>
  93 #include <X11/Xcursor/Xcursor.h>
  94 #include <X11/Xft/Xft.h>
  95 #include <X11/Xlib-xcb.h>
  96 #include <xcb/xcb_atom.h>
  97 #include <xcb/xcb_aux.h>
  98 #include <xcb/xcb_event.h>
  99 #include <xcb/xcb_icccm.h>
 100 #include <xcb/xcb_keysyms.h>
 101 #include <xcb/xtest.h>
 102 #include <xcb/randr.h>
 103
 104 /* local includes */
 105 #include "version.h"
 106 #ifdef __OSX__
 107 #include <osx.h>
 108 #endif
 109
 110 #ifdef SPECTRWM_BUILDSTR
 111 static const char       *buildstr = SPECTRWM_BUILDSTR;
 112 #else
 113 static const char       *buildstr = SPECTRWM_VERSION;
 114 #endif
 115
 116 #if !defined(__CYGWIN__) /* cygwin chokes on xrandr stuff */
 117 #  if RANDR_MAJOR < 1
 118 #    error XRandR versions less than 1.0 are not supported
 119 #endif
 120
 121 #  if RANDR_MAJOR >= 1
 122 #    if RANDR_MINOR >= 2
 123 #      define SWM_XRR_HAS_CRTC
 124 #    endif
 125 #  endif
 126 #endif /* __CYGWIN__ */
 127
 128 #ifndef XCB_ICCCM_NUM_WM_HINTS_ELEMENTS
 129 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 130 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 131 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 132 #define XCB_ICCCM_WM_HINT_INPUT                 XCB_WM_HINT_INPUT
 133 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 134 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 135 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 136 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 137 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 138 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 139 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 140 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 141 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 142 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 143 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 144 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 145 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 146 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 147 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 148 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 149 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 150 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 151 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 152 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 153 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 154 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 155 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 156 #endif
 157
 158 /*#define SWM_DEBUG*/
 159 #ifdef SWM_DEBUG
 160 #define DPRINTF(x...) do {                                                      \
 161         if (swm_debug)                                                          \
 162                 fprintf(stderr, x);                                             \
 163 } while (0)
 164 #define DNPRINTF(n,x...) do {                                                   \
 165         if (swm_debug & n) {                                                    \
 166                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 167                 fprintf(stderr, x);                                             \
 168         }                                                                       \
 169 } while (0)
 170 #define SWM_D_MISC              0x0001
 171 #define SWM_D_EVENT             0x0002
 172 #define SWM_D_WS                0x0004
 173 #define SWM_D_FOCUS             0x0008
 174 #define SWM_D_MOVE              0x0010
 175 #define SWM_D_STACK             0x0020
 176 #define SWM_D_MOUSE             0x0040
 177 #define SWM_D_PROP              0x0080
 178 #define SWM_D_CLASS             0x0100
 179 #define SWM_D_KEY               0x0200
 180 #define SWM_D_QUIRK             0x0400
 181 #define SWM_D_SPAWN             0x0800
 182 #define SWM_D_EVENTQ            0x1000
 183 #define SWM_D_CONF              0x2000
 184 #define SWM_D_BAR               0x4000
 185 #define SWM_D_INIT              0x8000
 186
 187 u_int32_t               swm_debug = 0
 188                             | SWM_D_MISC
 189                             | SWM_D_EVENT
 190                             | SWM_D_WS
 191                             | SWM_D_FOCUS
 192                             | SWM_D_MOVE
 193                             | SWM_D_STACK
 194                             | SWM_D_MOUSE
 195                             | SWM_D_PROP
 196                             | SWM_D_CLASS
 197                             | SWM_D_KEY
 198                             | SWM_D_QUIRK
 199                             | SWM_D_SPAWN
 200                             | SWM_D_EVENTQ
 201                             | SWM_D_CONF
 202                             | SWM_D_BAR
 203                             | SWM_D_INIT
 204                             ;
 205 #else
 206 #define DPRINTF(x...)
 207 #define DNPRINTF(n,x...)
 208 #endif
 209
 210 /* convert 8-bit to 16-bit */
 211 #define RGB_8_TO_16(col)        ((col) << 8) + (col)
 212
 213 #define PIXEL_TO_XRENDERCOLOR(px, xrc)                                  \
 214         xrc.red = RGB_8_TO_16((px) >> 16 & 0xff);                       \
 215         xrc.green = RGB_8_TO_16((px) >> 8 & 0xff);                      \
 216         xrc.blue = RGB_8_TO_16((px) & 0xff);                            \
 217         xrc.alpha = 0xffff;
 218
 219 #define LENGTH(x)               (int)(sizeof (x) / sizeof (x)[0])
 220 #define MODKEY                  XCB_MOD_MASK_1
 221 #define CLEANMASK(mask)         ((mask) & ~(numlockmask | XCB_MOD_MASK_LOCK))
 222 #define BUTTONMASK              (XCB_EVENT_MASK_BUTTON_PRESS |          \
 223     XCB_EVENT_MASK_BUTTON_RELEASE)
 224 #define MOUSEMASK               (BUTTONMASK|XCB_EVENT_MASK_POINTER_MOTION)
 225 #define SWM_PROPLEN             (16)
 226 #define SWM_FUNCNAME_LEN        (32)
 227 #define SWM_KEYS_LEN            (255)
 228 #define SWM_QUIRK_LEN           (64)
 229 #define X(r)                    (r)->g.x
 230 #define Y(r)                    (r)->g.y
 231 #define WIDTH(r)                (r)->g.w
 232 #define HEIGHT(r)               (r)->g.h
 233 #define BORDER(w)               ((w)->bordered ? border_width : 0)
 234 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 235 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 236 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 237 #define SH_MIN_W(w)             (w)->sh.min_width
 238 #define SH_MIN_H(w)             (w)->sh.min_height
 239 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 240 #define SH_MAX_W(w)             (w)->sh.max_width
 241 #define SH_MAX_H(w)             (w)->sh.max_height
 242 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 243 #define SH_INC_W(w)             (w)->sh.width_inc
 244 #define SH_INC_H(w)             (w)->sh.height_inc
 245 #define SWM_MAX_FONT_STEPS      (3)
 246 #define WINID(w)                ((w) ? (w)->id : 0)
 247 #define YESNO(x)                ((x) ? "yes" : "no")
 248
 249 #define SWM_FOCUS_DEFAULT       (0)
 250 #define SWM_FOCUS_FOLLOW        (1)
 251 #define SWM_FOCUS_MANUAL        (2)
 252
 253 #define SWM_CK_NONE             0
 254 #define SWM_CK_ALL              0x7
 255 #define SWM_CK_FOCUS            0x1
 256 #define SWM_CK_POINTER          0x2
 257 #define SWM_CK_FALLBACK         0x4
 258
 259 #define SWM_CONF_DEFAULT        (0)
 260 #define SWM_CONF_KEYMAPPING     (1)
 261
 262 #ifndef SWM_LIB
 263 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 264 #endif
 265
 266 char                    **start_argv;
 267 xcb_atom_t              a_state;
 268 xcb_atom_t              a_prot;
 269 xcb_atom_t              a_delete;
 270 xcb_atom_t              a_takefocus;
 271 xcb_atom_t              a_wmname;
 272 xcb_atom_t              a_netwmname;
 273 xcb_atom_t              a_utf8_string;
 274 xcb_atom_t              a_string;
 275 xcb_atom_t              a_swm_iconic;
 276 xcb_atom_t              a_swm_ws;
 277 volatile sig_atomic_t   running = 1;
 278 volatile sig_atomic_t   restart_wm = 0;
 279 xcb_timestamp_t         last_event_time = 0;
 280 int                     outputs = 0;
 281 int                     other_wm;
 282 int                     ss_enabled = 0;
 283 int                     xrandr_support;
 284 int                     xrandr_eventbase;
 285 unsigned int            numlockmask = 0;
 286
 287 Display                 *display;
 288 xcb_connection_t        *conn;
 289 xcb_key_symbols_t       *syms;
 290
 291 int                     cycle_empty = 0;
 292 int                     cycle_visible = 0;
 293 int                     term_width = 0;
 294 int                     font_adjusted = 0;
 295 unsigned int            mod_key = MODKEY;
 296
 297 /* dmenu search */
 298 struct swm_region       *search_r;
 299 int                     select_list_pipe[2];
 300 int                     select_resp_pipe[2];
 301 pid_t                   searchpid;
 302 volatile sig_atomic_t   search_resp;
 303 int                     search_resp_action;
 304
 305 struct search_window {
 306         TAILQ_ENTRY(search_window)      entry;
 307         int                             idx;
 308         struct ws_win                   *win;
 309         xcb_gcontext_t                  gc;
 310         xcb_window_t                    indicator;
 311 };
 312 TAILQ_HEAD(search_winlist, search_window);
 313 struct search_winlist                   search_wl;
 314
 315 /* search actions */
 316 enum {
 317         SWM_SEARCH_NONE,
 318         SWM_SEARCH_UNICONIFY,
 319         SWM_SEARCH_NAME_WORKSPACE,
 320         SWM_SEARCH_SEARCH_WORKSPACE,
 321         SWM_SEARCH_SEARCH_WINDOW
 322 };
 323
 324 #define SWM_STACK_TOP           (0)
 325 #define SWM_STACK_BOTTOM        (1)
 326 #define SWM_STACK_ABOVE         (2)
 327 #define SWM_STACK_BELOW         (3)
 328
 329 /* dialog windows */
 330 double                  dialog_ratio = 0.6;
 331 /* status bar */
 332 #define SWM_BAR_MAX             (256)
 333 #define SWM_BAR_JUSTIFY_LEFT    (0)
 334 #define SWM_BAR_JUSTIFY_CENTER  (1)
 335 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 336 #define SWM_BAR_OFFSET          (4)
 337 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-12-*-*-*-*-*-*-*," \
 338                                 "-*-profont-*-*-*-*-12-*-*-*-*-*-*-*,"      \
 339                                 "-*-times-medium-r-*-*-12-*-*-*-*-*-*-*,"    \
 340                                 "-misc-fixed-medium-r-*-*-12-*-*-*-*-*-*-*,"  \
 341                                 "-*-*-*-r-*-*-*-*-*-*-*-*-*-*"
 342
 343 #ifdef X_HAVE_UTF8_STRING
 344 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 345 #else
 346 #define DRAWSTRING(x...)        XmbDrawString(x)
 347 #endif
 348
 349 char            *bar_argv[] = { NULL, NULL };
 350 int              bar_pipe[2];
 351 char             bar_ext[SWM_BAR_MAX];
 352 char             bar_vertext[SWM_BAR_MAX];
 353 int              bar_version = 0;
 354 sig_atomic_t     bar_alarm = 0;
 355 int              bar_delay = 30;
 356 int              bar_enabled = 1;
 357 int              bar_border_width = 1;
 358 int              bar_at_bottom = 0;
 359 int              bar_extra = 1;
 360 int              bar_extra_running = 0;
 361 int              bar_verbose = 1;
 362 int              bar_height = 0;
 363 int              bar_justify = SWM_BAR_JUSTIFY_LEFT;
 364 char             *bar_format = NULL;
 365 int              stack_enabled = 1;
 366 int              clock_enabled = 1;
 367 int              urgent_enabled = 0;
 368 char            *clock_format = NULL;
 369 int              title_name_enabled = 0;
 370 int              title_class_enabled = 0;
 371 int              window_name_enabled = 0;
 372 int              focus_mode = SWM_FOCUS_DEFAULT;
 373 int              focus_close = SWM_STACK_BELOW;
 374 int              focus_close_wrap = 1;
 375 int              focus_default = SWM_STACK_TOP;
 376 int              spawn_position = SWM_STACK_TOP;
 377 int              disable_border = 0;
 378 int              border_width = 1;
 379 int              verbose_layout = 0;
 380 time_t           time_started;
 381 pid_t            bar_pid;
 382 XFontSet         bar_fs;
 383 XFontSetExtents *bar_fs_extents;
 384 XftFont         *bar_font;
 385 int              bar_font_legacy = 1;
 386 char            *bar_fonts;
 387 XftColor         bar_font_color;
 388 struct passwd   *pwd;
 389
 390 /* layout manager data */
 391 struct swm_geometry {
 392         int                     x;
 393         int                     y;
 394         int                     w;
 395         int                     h;
 396 };
 397
 398 struct swm_screen;
 399 struct workspace;
 400
 401 struct swm_bar {
 402         xcb_window_t            id;
 403         xcb_pixmap_t            buffer;
 404         struct swm_geometry     g;
 405 };
 406
 407 /* virtual "screens" */
 408 struct swm_region {
 409         TAILQ_ENTRY(swm_region) entry;
 410         struct swm_geometry     g;
 411         struct workspace        *ws;    /* current workspace on this region */
 412         struct workspace        *ws_prior; /* prior workspace on this region */
 413         struct swm_screen       *s;     /* screen idx */
 414         struct swm_bar          *bar;
 415 };
 416 TAILQ_HEAD(swm_region_list, swm_region);
 417
 418 struct ws_win {
 419         TAILQ_ENTRY(ws_win)     entry;
 420         xcb_window_t            id;
 421         xcb_window_t            transient;
 422         struct ws_win           *focus_child;   /* focus on child transient */
 423         struct swm_geometry     g;              /* current geometry */
 424         struct swm_geometry     g_float;        /* region coordinates */
 425         int                     g_floatvalid;   /* g_float geometry validity */
 426         int                     floatmaxed;     /* whether maxed by max_stack */
 427         int                     floating;
 428         int                     manual;
 429         int32_t                 mapped;
 430         int32_t                 iconic;
 431         int                     bordered;
 432         unsigned int            ewmh_flags;
 433         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 434         int                     font_steps;
 435         int                     last_inc;
 436         int                     can_delete;
 437         int                     take_focus;
 438         int                     java;
 439         unsigned long           quirks;
 440         struct workspace        *ws;    /* always valid */
 441         struct swm_screen       *s;     /* always valid, never changes */
 442         xcb_get_geometry_reply_t        *wa;
 443         xcb_size_hints_t        sh;
 444         xcb_icccm_get_wm_class_reply_t  ch;
 445         xcb_icccm_wm_hints_t    hints;
 446 };
 447 TAILQ_HEAD(ws_win_list, ws_win);
 448
 449 /* pid goo */
 450 struct pid_e {
 451         TAILQ_ENTRY(pid_e)      entry;
 452         pid_t                   pid;
 453         int                     ws;
 454 };
 455 TAILQ_HEAD(pid_list, pid_e);
 456 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 457
 458 /* layout handlers */
 459 void    stack(void);
 460 void    vertical_config(struct workspace *, int);
 461 void    vertical_stack(struct workspace *, struct swm_geometry *);
 462 void    horizontal_config(struct workspace *, int);
 463 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 464 void    max_stack(struct workspace *, struct swm_geometry *);
 465 void    plain_stacker(struct workspace *);
 466 void    fancy_stacker(struct workspace *);
 467
 468 struct layout {
 469         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 470         void            (*l_config)(struct workspace *, int);
 471         u_int32_t       flags;
 472 #define SWM_L_FOCUSPREV         (1<<0)
 473 #define SWM_L_MAPONFOCUS        (1<<1)
 474         void            (*l_string)(struct workspace *);
 475 } layouts[] =  {
 476         /* stack,               configure */
 477         { vertical_stack,       vertical_config,        0,      plain_stacker },
 478         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 479         { max_stack,            NULL,
 480           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 481         { NULL,                 NULL,                   0,      NULL  },
 482 };
 483
 484 /* position of max_stack mode in the layouts array, index into layouts! */
 485 #define SWM_V_STACK             (0)
 486 #define SWM_H_STACK             (1)
 487 #define SWM_MAX_STACK           (2)
 488
 489 #define SWM_H_SLICE             (32)
 490 #define SWM_V_SLICE             (32)
 491
 492 /* define work spaces */
 493 struct workspace {
 494         int                     idx;            /* workspace index */
 495         char                    *name;          /* workspace name */
 496         int                     always_raise;   /* raise windows on focus */
 497         struct layout           *cur_layout;    /* current layout handlers */
 498         struct ws_win           *focus;         /* may be NULL */
 499         struct ws_win           *focus_prev;    /* may be NULL */
 500         struct ws_win           *focus_pending; /* may be NULL */
 501         struct swm_region       *r;             /* may be NULL */
 502         struct swm_region       *old_r;         /* may be NULL */
 503         struct ws_win_list      winlist;        /* list of windows in ws */
 504         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 505         char                    stacker[10];    /* display stacker and layout */
 506
 507         /* stacker state */
 508         struct {
 509                                 int horizontal_msize;
 510                                 int horizontal_mwin;
 511                                 int horizontal_stacks;
 512                                 int horizontal_flip;
 513                                 int vertical_msize;
 514                                 int vertical_mwin;
 515                                 int vertical_stacks;
 516                                 int vertical_flip;
 517         } l_state;
 518 };
 519
 520 enum {
 521         SWM_S_COLOR_BAR,
 522         SWM_S_COLOR_BAR_BORDER,
 523         SWM_S_COLOR_BAR_FONT,
 524         SWM_S_COLOR_FOCUS,
 525         SWM_S_COLOR_UNFOCUS,
 526         SWM_S_COLOR_MAX
 527 };
 528
 529 /* physical screen mapping */
 530 #define SWM_WS_MAX              (22)    /* hard limit */
 531 int             workspace_limit = 10;   /* soft limit */
 532
 533 struct swm_screen {
 534         int                     idx;    /* screen index */
 535         struct swm_region_list  rl;     /* list of regions on this screen */
 536         struct swm_region_list  orl;    /* list of old regions */
 537         xcb_window_t            root;
 538         struct workspace        ws[SWM_WS_MAX];
 539
 540         /* colors */
 541         struct {
 542                 uint32_t        pixel;
 543                 char            *name;
 544         } c[SWM_S_COLOR_MAX];
 545
 546         xcb_gcontext_t          bar_gc;
 547         GC                      bar_gc_legacy;
 548 };
 549 struct swm_screen       *screens;
 550
 551 /* args to functions */
 552 union arg {
 553         int                     id;
 554 #define SWM_ARG_ID_FOCUSNEXT    (0)
 555 #define SWM_ARG_ID_FOCUSPREV    (1)
 556 #define SWM_ARG_ID_FOCUSMAIN    (2)
 557 #define SWM_ARG_ID_SWAPNEXT     (10)
 558 #define SWM_ARG_ID_SWAPPREV     (11)
 559 #define SWM_ARG_ID_SWAPMAIN     (12)
 560 #define SWM_ARG_ID_MOVELAST     (13)
 561 #define SWM_ARG_ID_MASTERSHRINK (20)
 562 #define SWM_ARG_ID_MASTERGROW   (21)
 563 #define SWM_ARG_ID_MASTERADD    (22)
 564 #define SWM_ARG_ID_MASTERDEL    (23)
 565 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 566 #define SWM_ARG_ID_STACKRESET   (30)
 567 #define SWM_ARG_ID_STACKINIT    (31)
 568 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 569 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 570 #define SWM_ARG_ID_CYCLESC_UP   (42)
 571 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 572 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 573 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 574 #define SWM_ARG_ID_STACKINC     (50)
 575 #define SWM_ARG_ID_STACKDEC     (51)
 576 #define SWM_ARG_ID_SS_ALL       (60)
 577 #define SWM_ARG_ID_SS_WINDOW    (61)
 578 #define SWM_ARG_ID_DONTCENTER   (70)
 579 #define SWM_ARG_ID_CENTER       (71)
 580 #define SWM_ARG_ID_KILLWINDOW   (80)
 581 #define SWM_ARG_ID_DELETEWINDOW (81)
 582 #define SWM_ARG_ID_WIDTHGROW    (90)
 583 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 584 #define SWM_ARG_ID_HEIGHTGROW   (92)
 585 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 586 #define SWM_ARG_ID_MOVEUP       (100)
 587 #define SWM_ARG_ID_MOVEDOWN     (101)
 588 #define SWM_ARG_ID_MOVELEFT     (102)
 589 #define SWM_ARG_ID_MOVERIGHT    (103)
 590         char                    **argv;
 591 };
 592
 593 /* quirks */
 594 struct quirk {
 595         TAILQ_ENTRY(quirk)      entry;
 596         char                    *class;
 597         char                    *name;
 598         unsigned long           quirk;
 599 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 600 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 601 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 602 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 603 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 604 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 605 };
 606 TAILQ_HEAD(quirk_list, quirk);
 607 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 608
 609 /*
 610  * Supported EWMH hints should be added to
 611  * both the enum and the ewmh array
 612  */
 613 enum {
 614         _NET_ACTIVE_WINDOW,
 615         _NET_CLOSE_WINDOW,
 616         _NET_MOVERESIZE_WINDOW,
 617         _NET_WM_ACTION_ABOVE,
 618         _NET_WM_ACTION_CLOSE,
 619         _NET_WM_ACTION_FULLSCREEN,
 620         _NET_WM_ACTION_MOVE,
 621         _NET_WM_ACTION_RESIZE,
 622         _NET_WM_ALLOWED_ACTIONS,
 623         _NET_WM_NAME,
 624         _NET_WM_STATE,
 625         _NET_WM_STATE_ABOVE,
 626         _NET_WM_STATE_FULLSCREEN,
 627         _NET_WM_STATE_HIDDEN,
 628         _NET_WM_STATE_MAXIMIZED_HORZ,
 629         _NET_WM_STATE_MAXIMIZED_VERT,
 630         _NET_WM_STATE_SKIP_PAGER,
 631         _NET_WM_STATE_SKIP_TASKBAR,
 632         _NET_WM_WINDOW_TYPE,
 633         _NET_WM_WINDOW_TYPE_DIALOG,
 634         _NET_WM_WINDOW_TYPE_DOCK,
 635         _NET_WM_WINDOW_TYPE_NORMAL,
 636         _NET_WM_WINDOW_TYPE_SPLASH,
 637         _NET_WM_WINDOW_TYPE_TOOLBAR,
 638         _NET_WM_WINDOW_TYPE_UTILITY,
 639         _SWM_WM_STATE_MANUAL,
 640         SWM_EWMH_HINT_MAX
 641 };
 642
 643 struct ewmh_hint {
 644         char            *name;
 645         xcb_atom_t      atom;
 646 } ewmh[SWM_EWMH_HINT_MAX] =     {
 647     /* must be in same order as in the enum */
 648     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 649     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 650     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 651     {"_NET_WM_ACTION_ABOVE", XCB_ATOM_NONE},
 652     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 653     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 654     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 655     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 656     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 657     {"_NET_WM_NAME", XCB_ATOM_NONE},
 658     {"_NET_WM_STATE", XCB_ATOM_NONE},
 659     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 660     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 661     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 662     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 663     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 664     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 665     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 666     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 667     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 668     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 669     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 670     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 671     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 672     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 673     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 674 };
 675
 676 /* Cursors */
 677 enum {
 678         XC_FLEUR,
 679         XC_LEFT_PTR,
 680         XC_BOTTOM_LEFT_CORNER,
 681         XC_BOTTOM_RIGHT_CORNER,
 682         XC_SIZING,
 683         XC_TOP_LEFT_CORNER,
 684         XC_TOP_RIGHT_CORNER,
 685         XC_MAX
 686 };
 687
 688 struct cursors {
 689         char            *name; /* Name used by Xcursor .*/
 690         uint8_t         cf_char; /* cursorfont index. */
 691         xcb_cursor_t    cid;
 692 } cursors[XC_MAX] =     {
 693         {"fleur", XC_fleur, XCB_CURSOR_NONE},
 694         {"left_ptr", XC_left_ptr, XCB_CURSOR_NONE},
 695         {"bottom_left_corner", XC_bottom_left_corner, XCB_CURSOR_NONE},
 696         {"bottom_right_corner", XC_bottom_right_corner, XCB_CURSOR_NONE},
 697         {"sizing", XC_sizing, XCB_CURSOR_NONE},
 698         {"top_left_corner", XC_top_left_corner, XCB_CURSOR_NONE},
 699         {"top_right_corner", XC_top_right_corner, XCB_CURSOR_NONE},
 700 };
 701
 702 /* spawn */
 703 struct spawn_prog {
 704         TAILQ_ENTRY(spawn_prog) entry;
 705         char                    *name;
 706         int                     argc;
 707         char                    **argv;
 708 };
 709 TAILQ_HEAD(spawn_list, spawn_prog);
 710 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
 711
 712 /* user/key callable function IDs */
 713 enum keyfuncid {
 714         KF_BAR_TOGGLE,
 715         KF_BUTTON2,
 716         KF_CYCLE_LAYOUT,
 717         KF_FLIP_LAYOUT,
 718         KF_FLOAT_TOGGLE,
 719         KF_FOCUS_MAIN,
 720         KF_FOCUS_NEXT,
 721         KF_FOCUS_PREV,
 722         KF_HEIGHT_GROW,
 723         KF_HEIGHT_SHRINK,
 724         KF_ICONIFY,
 725         KF_MASTER_SHRINK,
 726         KF_MASTER_GROW,
 727         KF_MASTER_ADD,
 728         KF_MASTER_DEL,
 729         KF_MOVE_DOWN,
 730         KF_MOVE_LEFT,
 731         KF_MOVE_RIGHT,
 732         KF_MOVE_UP,
 733         KF_MVWS_1,
 734         KF_MVWS_2,
 735         KF_MVWS_3,
 736         KF_MVWS_4,
 737         KF_MVWS_5,
 738         KF_MVWS_6,
 739         KF_MVWS_7,
 740         KF_MVWS_8,
 741         KF_MVWS_9,
 742         KF_MVWS_10,
 743         KF_MVWS_11,
 744         KF_MVWS_12,
 745         KF_MVWS_13,
 746         KF_MVWS_14,
 747         KF_MVWS_15,
 748         KF_MVWS_16,
 749         KF_MVWS_17,
 750         KF_MVWS_18,
 751         KF_MVWS_19,
 752         KF_MVWS_20,
 753         KF_MVWS_21,
 754         KF_MVWS_22,
 755         KF_NAME_WORKSPACE,
 756         KF_QUIT,
 757         KF_RAISE_TOGGLE,
 758         KF_RESTART,
 759         KF_SCREEN_NEXT,
 760         KF_SCREEN_PREV,
 761         KF_SEARCH_WIN,
 762         KF_SEARCH_WORKSPACE,
 763         KF_SPAWN_CUSTOM,
 764         KF_STACK_INC,
 765         KF_STACK_DEC,
 766         KF_STACK_RESET,
 767         KF_SWAP_MAIN,
 768         KF_SWAP_NEXT,
 769         KF_SWAP_PREV,
 770         KF_UNICONIFY,
 771         KF_VERSION,
 772         KF_WIDTH_GROW,
 773         KF_WIDTH_SHRINK,
 774         KF_WIND_DEL,
 775         KF_WIND_KILL,
 776         KF_WS_1,
 777         KF_WS_2,
 778         KF_WS_3,
 779         KF_WS_4,
 780         KF_WS_5,
 781         KF_WS_6,
 782         KF_WS_7,
 783         KF_WS_8,
 784         KF_WS_9,
 785         KF_WS_10,
 786         KF_WS_11,
 787         KF_WS_12,
 788         KF_WS_13,
 789         KF_WS_14,
 790         KF_WS_15,
 791         KF_WS_16,
 792         KF_WS_17,
 793         KF_WS_18,
 794         KF_WS_19,
 795         KF_WS_20,
 796         KF_WS_21,
 797         KF_WS_22,
 798         KF_WS_NEXT,
 799         KF_WS_NEXT_ALL,
 800         KF_WS_PREV,
 801         KF_WS_PREV_ALL,
 802         KF_WS_PRIOR,
 803         KF_DUMPWINS, /* MUST BE LAST */
 804         KF_INVALID
 805 };
 806
 807 struct key {
 808         RB_ENTRY(key)           entry;
 809         unsigned int            mod;
 810         KeySym                  keysym;
 811         enum keyfuncid          funcid;
 812         char                    *spawn_name;
 813 };
 814 RB_HEAD(key_tree, key);
 815
 816 /* function prototypes */
 817 void     adjust_font(struct ws_win *);
 818 void     bar_class_name(char *, size_t, struct swm_region *);
 819 void     bar_class_title_name(char *, size_t, struct swm_region *);
 820 void     bar_cleanup(struct swm_region *);
 821 void     bar_extra_stop(void);
 822 void     bar_fmt(const char *, char *, struct swm_region *, size_t);
 823 void     bar_fmt_expand(char *, size_t);
 824 void     bar_fmt_print(void);
 825 void     bar_print(struct swm_region *, const char *);
 826 void     bar_print_legacy(struct swm_region *, const char *);
 827 void     bar_refresh(void);
 828 void     bar_replace(char *, char *, struct swm_region *, size_t);
 829 void     bar_replace_pad(char *, int *, size_t);
 830 char *   bar_replace_seq(char *, char *, struct swm_region *, size_t *,
 831              size_t);
 832 void     bar_setup(struct swm_region *);
 833 void     bar_signal(int);
 834 void     bar_title_name(char *, size_t, struct swm_region *);
 835 void     bar_toggle(struct swm_region *, union arg *);
 836 void     bar_update(void);
 837 void     bar_urgent(char *, size_t);
 838 void     bar_window_float(char *, size_t, struct swm_region *);
 839 void     bar_window_name(char *, size_t, struct swm_region *);
 840 void     bar_workspace_name(char *, size_t, struct swm_region *);
 841 void     buttonpress(xcb_button_press_event_t *);
 842 void     check_conn(void);
 843 void     clear_keys(void);
 844 void     clientmessage(xcb_client_message_event_t *);
 845 void     client_msg(struct ws_win *, xcb_atom_t, xcb_timestamp_t);
 846 int      conf_load(const char *, int);
 847 void     configurenotify(xcb_configure_notify_event_t *);
 848 void     configurerequest(xcb_configure_request_event_t *);
 849 void     config_win(struct ws_win *, xcb_configure_request_event_t *);
 850 void     constrain_window(struct ws_win *, struct swm_region *, int);
 851 int      count_win(struct workspace *, int);
 852 void     cursors_cleanup(void);
 853 void     cursors_load(void);
 854 void     custom_region(char *);
 855 void     cyclescr(struct swm_region *, union arg *);
 856 void     cyclews(struct swm_region *, union arg *);
 857 void     cycle_layout(struct swm_region *, union arg *);
 858 void     destroynotify(xcb_destroy_notify_event_t *);
 859 void     dumpwins(struct swm_region *, union arg *);
 860 int      enable_wm(void);
 861 void     enternotify(xcb_enter_notify_event_t *);
 862 void     event_drain(uint8_t);
 863 void     event_error(xcb_generic_error_t *);
 864 void     event_handle(xcb_generic_event_t *);
 865 void     ewmh_autoquirk(struct ws_win *);
 866 void     ewmh_get_win_state(struct ws_win *);
 867 int      ewmh_set_win_fullscreen(struct ws_win *, int);
 868 void     ewmh_update_actions(struct ws_win *);
 869 void     ewmh_update_win_state(struct ws_win *, xcb_atom_t, long);
 870 char    *expand_tilde(const char *);
 871 void     expose(xcb_expose_event_t *);
 872 void     fake_keypress(struct ws_win *, xcb_keysym_t, uint16_t);
 873 struct pid_e    *find_pid(pid_t);
 874 struct ws_win   *find_unmanaged_window(xcb_window_t);
 875 struct ws_win   *find_window(xcb_window_t);
 876 void     floating_toggle(struct swm_region *, union arg *);
 877 int      floating_toggle_win(struct ws_win *);
 878 void     focus(struct swm_region *, union arg *);
 879 #ifdef SWM_DEBUG
 880 void     focusin(xcb_focus_in_event_t *);
 881 void     focusout(xcb_focus_out_event_t *);
 882 #endif
 883 void     focus_flush(void);
 884 void     focus_win(struct ws_win *);
 885 void     fontset_init(void);
 886 void     free_window(struct ws_win *);
 887 xcb_atom_t get_atom_from_string(const char *);
 888 #ifdef SWM_DEBUG
 889 char    *get_atom_name(xcb_atom_t);
 890 #endif
 891 struct ws_win   *get_focus_magic(struct ws_win *);
 892 struct ws_win   *get_focus_prev(struct ws_win *);
 893 #ifdef SWM_DEBUG
 894 char    *get_notify_detail_label(uint8_t);
 895 char    *get_notify_mode_label(uint8_t);
 896 #endif
 897 struct ws_win   *get_pointer_win(xcb_window_t);
 898 struct ws_win   *get_region_focus(struct swm_region *);
 899 xcb_screen_t    *get_screen(int);
 900 #ifdef SWM_DEBUG
 901 char    *get_stack_mode_name(uint8_t);
 902 #endif
 903 int32_t  get_swm_iconic(struct ws_win *);
 904 char    *get_win_name(xcb_window_t);
 905 int      get_ws_idx(xcb_window_t);
 906 uint32_t getstate(xcb_window_t);
 907 void     grabbuttons(struct ws_win *);
 908 void     grabkeys(void);
 909 void     grab_windows(void);
 910 void     iconify(struct swm_region *, union arg *);
 911 int      isxlfd(char *);
 912 void     keypress(xcb_key_press_event_t *);
 913 int      key_cmp(struct key *, struct key *);
 914 void     key_insert(unsigned int, KeySym, enum keyfuncid, const char *);
 915 struct key      *key_lookup(unsigned int, KeySym);
 916 void     key_remove(struct key *);
 917 void     key_replace(struct key *, unsigned int, KeySym, enum keyfuncid,
 918              const char *);
 919 void     kill_refs(struct ws_win *);
 920 #ifdef SWM_DEBUG
 921 void     leavenotify(xcb_leave_notify_event_t *);
 922 #endif
 923 void     load_float_geom(struct ws_win *, struct swm_region *);
 924 struct ws_win   *manage_window(xcb_window_t, uint16_t);
 925 void     map_window(struct ws_win *);
 926 void     mapnotify(xcb_map_notify_event_t *);
 927 void     mappingnotify(xcb_mapping_notify_event_t *);
 928 void     maprequest(xcb_map_request_event_t *);
 929 void     move(struct ws_win *, union arg *);
 930 void     move_step(struct swm_region *, union arg *);
 931 uint32_t name_to_pixel(const char *);
 932 void     name_workspace(struct swm_region *, union arg *);
 933 void     new_region(struct swm_screen *, int, int, int, int);
 934 int      parsekeys(char *, unsigned int, unsigned int *, KeySym *);
 935 int      parsequirks(char *, unsigned long *);
 936 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 937 void     pressbutton(struct swm_region *, union arg *);
 938 void     priorws(struct swm_region *, union arg *);
 939 #ifdef SWM_DEBUG
 940 void     print_win_geom(xcb_window_t);
 941 #endif
 942 void     propertynotify(xcb_property_notify_event_t *);
 943 void     quirk_insert(const char *, const char *, unsigned long);
 944 void     quirk_remove(struct quirk *);
 945 void     quirk_replace(struct quirk *, const char *, const char *,
 946              unsigned long);
 947 void     quit(struct swm_region *, union arg *);
 948 void     raise_toggle(struct swm_region *, union arg *);
 949 void     resize(struct ws_win *, union arg *);
 950 void     resize_step(struct swm_region *, union arg *);
 951 void     restart(struct swm_region *, union arg *);
 952 struct swm_region       *root_to_region(xcb_window_t, int);
 953 void     screenchange(xcb_randr_screen_change_notify_event_t *);
 954 void     scan_xrandr(int);
 955 void     search_do_resp(void);
 956 void     search_resp_name_workspace(const char *, unsigned long);
 957 void     search_resp_search_window(const char *);
 958 void     search_resp_search_workspace(const char *);
 959 void     search_resp_uniconify(const char *, unsigned long);
 960 void     search_win(struct swm_region *, union arg *);
 961 void     search_win_cleanup(void);
 962 void     search_workspace(struct swm_region *, union arg *);
 963 void     send_to_ws(struct swm_region *, union arg *);
 964 int      setautorun(char *, char *, int);
 965 int      setconfbinding(char *, char *, int);
 966 int      setconfcolor(char *, char *, int);
 967 int      setconfmodkey(char *, char *, int);
 968 int      setconfquirk(char *, char *, int);
 969 int      setconfregion(char *, char *, int);
 970 int      setconfspawn(char *, char *, int);
 971 int      setconfvalue(char *, char *, int);
 972 void     setkeybinding(unsigned int, KeySym, enum keyfuncid, const char *);
 973 int      setkeymapping(char *, char *, int);
 974 int      setlayout(char *, char *, int);
 975 void     setquirk(const char *, const char *, unsigned long);
 976 void     setscreencolor(char *, int, int);
 977 void     setspawn(const char *, const char *);
 978 void     setup_ewmh(void);
 979 void     setup_globals(void);
 980 void     setup_keys(void);
 981 void     setup_quirks(void);
 982 void     setup_screens(void);
 983 void     setup_spawn(void);
 984 void     set_child_transient(struct ws_win *, xcb_window_t *);
 985 void     set_swm_iconic(struct ws_win *, int);
 986 void     set_win_state(struct ws_win *, uint16_t);
 987 void     shutdown_cleanup(void);
 988 void     sighdlr(int);
 989 void     socket_setnonblock(int);
 990 void     sort_windows(struct ws_win_list *);
 991 void     spawn(int, union arg *, int);
 992 void     spawn_custom(struct swm_region *, union arg *, const char *);
 993 int      spawn_expand(struct swm_region *, union arg *, const char *, char ***);
 994 void     spawn_insert(const char *, const char *);
 995 void     spawn_remove(struct spawn_prog *);
 996 void     spawn_replace(struct spawn_prog *, const char *, const char *);
 997 void     spawn_select(struct swm_region *, union arg *, const char *, int *);
 998 void     stack_config(struct swm_region *, union arg *);
 999 void     stack_floater(struct ws_win *, struct swm_region *);
1000 void     stack_master(struct workspace *, struct swm_geometry *, int, int);
1001 void     store_float_geom(struct ws_win *, struct swm_region *);
1002 char *   strdupsafe(const char *);
1003 void     swapwin(struct swm_region *, union arg *);
1004 void     switchws(struct swm_region *, union arg *);
1005 void     teardown_ewmh(void);
1006 void     unfocus_win(struct ws_win *);
1007 void     uniconify(struct swm_region *, union arg *);
1008 void     unmanage_window(struct ws_win *);
1009 void     unmapnotify(xcb_unmap_notify_event_t *);
1010 void     unmap_all(void);
1011 void     unmap_window(struct ws_win *);
1012 void     updatenumlockmask(void);
1013 void     update_modkey(unsigned int);
1014 void     update_window(struct ws_win *);
1015 int      validate_win(struct ws_win *);
1016 int      validate_ws(struct workspace *);
1017 /*void   visibilitynotify(xcb_visibility_notify_event_t *);*/
1018 void     version(struct swm_region *, union arg *);
1019 pid_t    window_get_pid(xcb_window_t);
1020 void     wkill(struct swm_region *, union arg *);
1021 void     workaround(void);
1022 void     xft_init(struct swm_region *);
1023
1024 RB_PROTOTYPE(key_tree, key, entry, key_cmp);
1025 RB_GENERATE(key_tree, key, entry, key_cmp);
1026 struct key_tree                 keys;
1027
1028 void
1029 cursors_load(void)
1030 {
1031         xcb_font_t      cf = XCB_NONE;
1032         int             i;
1033
1034         for (i = 0; i < LENGTH(cursors); ++i) {
1035                 /* try to load Xcursor first. */
1036                 cursors[i].cid = XcursorLibraryLoadCursor(display,
1037                     cursors[i].name);
1038
1039                 /* fallback to cursorfont. */
1040                 if (cursors[i].cid == XCB_CURSOR_NONE) {
1041                         if (cf == XCB_NONE) {
1042                                 cf = xcb_generate_id(conn);
1043                                 xcb_open_font(conn, cf, strlen("cursor"),
1044                                     "cursor");
1045                         }
1046
1047                         cursors[i].cid = xcb_generate_id(conn);
1048                         xcb_create_glyph_cursor(conn, cursors[i].cid, cf, cf,
1049                             cursors[i].cf_char, cursors[i].cf_char + 1, 0, 0, 0,
1050                             0xffff, 0xffff, 0xffff);
1051
1052                 }
1053         }
1054
1055         if (cf != XCB_NONE)
1056                 xcb_close_font(conn, cf);
1057 }
1058
1059 void
1060 cursors_cleanup(void)
1061 {
1062         int     i;
1063         for (i = 0; i < LENGTH(cursors); ++i)
1064                 xcb_free_cursor(conn, cursors[i].cid);
1065 }
1066
1067 char *
1068 expand_tilde(const char *s)
1069 {
1070         struct passwd           *ppwd;
1071         int                     i;
1072         long                    max;
1073         char                    *user;
1074         const char              *sc = s;
1075         char                    *result;
1076
1077         if (s == NULL)
1078                 errx(1, "expand_tilde: NULL string.");
1079
1080         if (s[0] != '~') {
1081                 result = strdup(sc);
1082                 goto out;
1083         }
1084
1085         ++s;
1086
1087         if ((max = sysconf(_SC_LOGIN_NAME_MAX)) == -1)
1088                 errx(1, "expand_tilde: sysconf");
1089
1090         if ((user = calloc(1, max + 1)) == NULL)
1091                 errx(1, "expand_tilde: calloc");
1092
1093         for (i = 0; s[i] != '/' && s[i] != '\0'; ++i)
1094                 user[i] = s[i];
1095         user[i] = '\0';
1096         s = &s[i];
1097
1098         ppwd = strlen(user) == 0 ? getpwuid(getuid()) : getpwnam(user);
1099         free(user);
1100
1101         if (ppwd == NULL)
1102                 result = strdup(sc);
1103         else
1104                 if (asprintf(&result, "%s%s", ppwd->pw_dir, s) == -1)
1105                         result = NULL;
1106 out:
1107         if (result == NULL)
1108                 errx(1, "expand_tilde: failed to allocate memory.");
1109
1110         return result;
1111 }
1112
1113 int
1114 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
1115 {
1116         unsigned int    tmpr, tmpg, tmpb;
1117
1118         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
1119                 return (-1);
1120
1121         *rr = RGB_8_TO_16(tmpr);
1122         *gg = RGB_8_TO_16(tmpg);
1123         *bb = RGB_8_TO_16(tmpb);
1124
1125         return (0);
1126 }
1127
1128 xcb_screen_t *
1129 get_screen(int screen)
1130 {
1131         const xcb_setup_t       *r;
1132         xcb_screen_iterator_t   iter;
1133
1134         if ((r = xcb_get_setup(conn)) == NULL) {
1135                 DNPRINTF(SWM_D_MISC, "get_screen: xcb_get_setup\n");
1136                 check_conn();
1137         }
1138
1139         iter = xcb_setup_roots_iterator(r);
1140         for (; iter.rem; --screen, xcb_screen_next(&iter))
1141                 if (screen == 0)
1142                         return (iter.data);
1143
1144         return (NULL);
1145 }
1146
1147 void
1148 focus_flush(void)
1149 {
1150         if (focus_mode == SWM_FOCUS_DEFAULT)
1151                 event_drain(XCB_ENTER_NOTIFY);
1152         else
1153                 xcb_flush(conn);
1154 }
1155
1156 xcb_atom_t
1157 get_atom_from_string(const char *str)
1158 {
1159         xcb_intern_atom_cookie_t        c;
1160         xcb_intern_atom_reply_t         *r;
1161         xcb_atom_t                      atom;
1162
1163         c = xcb_intern_atom(conn, 0, strlen(str), str);
1164         r = xcb_intern_atom_reply(conn, c, NULL);
1165         if (r) {
1166                 atom = r->atom;
1167                 free(r);
1168
1169                 return (atom);
1170         }
1171
1172         return (XCB_ATOM_NONE);
1173 }
1174
1175 void
1176 set_swm_iconic(struct ws_win *win, int newv)
1177 {
1178         int32_t                         v = newv;
1179
1180         win->iconic = newv;
1181
1182         if (newv)
1183                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1184                     a_swm_iconic, XCB_ATOM_INTEGER, 32, 1, &v);
1185         else
1186                 xcb_delete_property(conn, win->id, a_swm_iconic);
1187 }
1188
1189 int32_t
1190 get_swm_iconic(struct ws_win *win)
1191 {
1192         int32_t                         v = 0;
1193         xcb_get_property_reply_t        *pr = NULL;
1194
1195         pr = xcb_get_property_reply(conn,
1196             xcb_get_property(conn, 0, win->id, a_swm_iconic,
1197             XCB_ATOM_INTEGER, 0, 1), NULL);
1198         if (!pr)
1199                 goto out;
1200         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
1201                 goto out;
1202         v = *((int32_t *)xcb_get_property_value(pr));
1203 out:
1204         if (pr)
1205                 free(pr);
1206         return (v);
1207 }
1208
1209 void
1210 setup_ewmh(void)
1211 {
1212         xcb_atom_t                      sup_list;
1213         int                             i, j, num_screens;
1214
1215         sup_list = get_atom_from_string("_NET_SUPPORTED");
1216
1217         for (i = 0; i < LENGTH(ewmh); i++)
1218                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
1219
1220         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1221         for (i = 0; i < num_screens; i++) {
1222                 /* Support check window will be created by workaround(). */
1223
1224                 /* Report supported atoms */
1225                 xcb_delete_property(conn, screens[i].root, sup_list);
1226                 for (j = 0; j < LENGTH(ewmh); j++)
1227                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
1228                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
1229                             &ewmh[j].atom);
1230         }
1231 }
1232
1233 void
1234 teardown_ewmh(void)
1235 {
1236         int                             i, num_screens;
1237         xcb_atom_t                      sup_check, sup_list;
1238         xcb_window_t                    id;
1239         xcb_get_property_cookie_t       pc;
1240         xcb_get_property_reply_t        *pr;
1241
1242         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
1243         sup_list = get_atom_from_string("_NET_SUPPORTED");
1244         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1245
1246         for (i = 0; i < num_screens; i++) {
1247                 /* Get the support check window and destroy it */
1248                 pc = xcb_get_property(conn, 0, screens[i].root, sup_check,
1249                     XCB_ATOM_WINDOW, 0, 1);
1250                 pr = xcb_get_property_reply(conn, pc, NULL);
1251                 if (!pr)
1252                         continue;
1253                 if (pr->format == sup_check) {
1254                         id = *((xcb_window_t *)xcb_get_property_value(pr));
1255
1256                         xcb_destroy_window(conn, id);
1257                         xcb_delete_property(conn, screens[i].root, sup_check);
1258                         xcb_delete_property(conn, screens[i].root, sup_list);
1259                 }
1260                 free(pr);
1261         }
1262 }
1263
1264 void
1265 ewmh_autoquirk(struct ws_win *win)
1266 {
1267         uint32_t                i, n;
1268         xcb_atom_t              *type;
1269         xcb_get_property_cookie_t       c;
1270         xcb_get_property_reply_t        *r;
1271
1272         c = xcb_get_property(conn, 0, win->id,
1273             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
1274         r = xcb_get_property_reply(conn, c, NULL);
1275         if (!r)
1276                 return;
1277
1278         n = xcb_get_property_value_length(r);
1279         type = xcb_get_property_value(r);
1280
1281         for (i = 0; i < n; i++) {
1282                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
1283                         break;
1284                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
1285                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
1286                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
1287                         win->floating = 1;
1288                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
1289                         break;
1290                 }
1291                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
1292                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
1293                         win->floating = 1;
1294                         win->quirks = SWM_Q_FLOAT;
1295                         break;
1296                 }
1297         }
1298         free(r);
1299 }
1300
1301 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
1302 #define EWMH_F_FULLSCREEN               (1<<0)
1303 #define EWMH_F_ABOVE                    (1<<1)
1304 #define EWMH_F_HIDDEN                   (1<<2)
1305 #define EWMH_F_SKIP_PAGER               (1<<3)
1306 #define EWMH_F_SKIP_TASKBAR             (1<<4)
1307 #define SWM_F_MANUAL                    (1<<5)
1308
1309 int
1310 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
1311 {
1312         if (!win->ws->r)
1313                 return (0);
1314
1315         if (!win->floating)
1316                 return (0);
1317
1318         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
1319             "fullscreen %s\n", win->id, YESNO(fs));
1320
1321         if (fs) {
1322                 if (!win->g_floatvalid)
1323                         store_float_geom(win, win->ws->r);
1324
1325                 win->g = win->ws->r->g;
1326                 win->bordered = 0;
1327         } else {
1328                 load_float_geom(win, win->ws->r);
1329         }
1330
1331         return (1);
1332 }
1333
1334 void
1335 ewmh_update_actions(struct ws_win *win)
1336 {
1337         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
1338         int                     n = 0;
1339
1340         if (win == NULL)
1341                 return;
1342
1343         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
1344
1345         if (win->floating) {
1346                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
1347                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
1348                 actions[n++] = ewmh[_NET_WM_ACTION_ABOVE].atom;
1349         }
1350
1351         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1352             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
1353 }
1354
1355 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
1356 #define _NET_WM_STATE_ADD       1    /* add/set property */
1357 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
1358
1359 void
1360 ewmh_update_win_state(struct ws_win *win, xcb_atom_t state, long action)
1361 {
1362         unsigned int            mask = 0;
1363         unsigned int            changed = 0;
1364         unsigned int            orig_flags;
1365
1366         if (win == NULL)
1367                 return;
1368
1369         DNPRINTF(SWM_D_PROP, "ewmh_update_win_state: window: 0x%x, state: %ld, "
1370             "action: %ld\n", win->id, (unsigned long)state, action);
1371
1372         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1373                 mask = EWMH_F_FULLSCREEN;
1374         else if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
1375                 mask = EWMH_F_ABOVE;
1376         else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1377                 mask = SWM_F_MANUAL;
1378         else if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
1379                 mask = EWMH_F_SKIP_PAGER;
1380         else if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
1381                 mask = EWMH_F_SKIP_TASKBAR;
1382
1383         orig_flags = win->ewmh_flags;
1384
1385         switch (action) {
1386         case _NET_WM_STATE_REMOVE:
1387                 win->ewmh_flags &= ~mask;
1388                 break;
1389         case _NET_WM_STATE_ADD:
1390                 win->ewmh_flags |= mask;
1391                 break;
1392         case _NET_WM_STATE_TOGGLE:
1393                 win->ewmh_flags ^= mask;
1394                 break;
1395         }
1396
1397         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
1398
1399         if (state == ewmh[_NET_WM_STATE_ABOVE].atom) {
1400                 if (changed && !floating_toggle_win(win))
1401                                 win->ewmh_flags = orig_flags; /* revert */
1402         } else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom) {
1403                 if (changed)
1404                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
1405         } else if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom) {
1406                 if (changed && !ewmh_set_win_fullscreen(win,
1407                             win->ewmh_flags & EWMH_F_FULLSCREEN))
1408                                 win->ewmh_flags = orig_flags; /* revert */
1409         }
1410
1411         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
1412
1413         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
1414                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1415                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1416                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
1417         else if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1418                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1419                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1420                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1421         else if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1422                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1423                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1424                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1425         else if (win->ewmh_flags & EWMH_F_ABOVE)
1426                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1427                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1428                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1429         else if (win->ewmh_flags & SWM_F_MANUAL)
1430                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1431                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1432                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1433 }
1434
1435 void
1436 ewmh_get_win_state(struct ws_win *win)
1437 {
1438         xcb_atom_t                      *states;
1439         xcb_get_property_cookie_t       c;
1440         xcb_get_property_reply_t        *r;
1441         int                             i, n;
1442
1443         if (win == NULL)
1444                 return;
1445
1446         win->ewmh_flags = 0;
1447         if (win->floating)
1448                 win->ewmh_flags |= EWMH_F_ABOVE;
1449         if (win->manual)
1450                 win->ewmh_flags |= SWM_F_MANUAL;
1451
1452         c = xcb_get_property(conn, 0, win->id, ewmh[_NET_WM_STATE].atom,
1453             XCB_ATOM_ATOM, 0, UINT32_MAX);
1454         r = xcb_get_property_reply(conn, c, NULL);
1455         if (!r)
1456                 return;
1457
1458         states = xcb_get_property_value(r);
1459         n = xcb_get_property_value_length(r);
1460
1461         for (i = 0; i < n; i++)
1462                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1463
1464         free(r);
1465 }
1466
1467 /* events */
1468 #ifdef SWM_DEBUG
1469 void
1470 dumpwins(struct swm_region *r, union arg *args)
1471 {
1472         struct ws_win                           *win;
1473         uint32_t                                state;
1474         xcb_get_window_attributes_cookie_t      c;
1475         xcb_get_window_attributes_reply_t       *wa;
1476
1477         /* suppress unused warning since var is needed */
1478         (void)args;
1479
1480         if (r->ws == NULL) {
1481                 warnx("dumpwins: invalid workspace");
1482                 return;
1483         }
1484
1485         warnx("=== managed window list ws %02d ===", r->ws->idx);
1486         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1487                 state = getstate(win->id);
1488                 c = xcb_get_window_attributes(conn, win->id);
1489                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1490                 if (wa) {
1491                         warnx("window: 0x%x, map_state: %d, state: %u, "
1492                             "transient: 0x%x", win->id, wa->map_state,
1493                             state, win->transient);
1494                         free(wa);
1495                 } else
1496                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1497                             win->id);
1498         }
1499
1500         warnx("===== unmanaged window list =====");
1501         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1502                 state = getstate(win->id);
1503                 c = xcb_get_window_attributes(conn, win->id);
1504                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1505                 if (wa) {
1506                         warnx("window: 0x%x, map_state: %d, state: %u, "
1507                             "transient: 0x%x", win->id, wa->map_state,
1508                             state, win->transient);
1509                         free(wa);
1510                 } else
1511                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1512                             win->id);
1513         }
1514
1515         warnx("=================================");
1516 }
1517 #else
1518 void
1519 dumpwins(struct swm_region *r, union arg *s)
1520 {
1521         (void)r;
1522         (void)s;
1523 }
1524 #endif /* SWM_DEBUG */
1525
1526 void
1527 sighdlr(int sig)
1528 {
1529         int                     saved_errno, status;
1530         pid_t                   pid;
1531
1532         saved_errno = errno;
1533
1534         switch (sig) {
1535         case SIGCHLD:
1536                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1537                         if (pid == -1) {
1538                                 if (errno == EINTR)
1539                                         continue;
1540 #ifdef SWM_DEBUG
1541                                 if (errno != ECHILD)
1542                                         warn("sighdlr: waitpid");
1543 #endif /* SWM_DEBUG */
1544                                 break;
1545                         }
1546                         if (pid == searchpid)
1547                                 search_resp = 1;
1548
1549 #ifdef SWM_DEBUG
1550                         if (WIFEXITED(status)) {
1551                                 if (WEXITSTATUS(status) != 0)
1552                                         warnx("sighdlr: child exit status: %d",
1553                                             WEXITSTATUS(status));
1554                         } else
1555                                 warnx("sighdlr: child is terminated "
1556                                     "abnormally");
1557 #endif /* SWM_DEBUG */
1558                 }
1559                 break;
1560
1561         case SIGHUP:
1562                 restart_wm = 1;
1563                 break;
1564         case SIGINT:
1565         case SIGTERM:
1566         case SIGQUIT:
1567                 running = 0;
1568                 break;
1569         }
1570
1571         errno = saved_errno;
1572 }
1573
1574 struct pid_e *
1575 find_pid(pid_t pid)
1576 {
1577         struct pid_e            *p = NULL;
1578
1579         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1580
1581         if (pid == 0)
1582                 return (NULL);
1583
1584         TAILQ_FOREACH(p, &pidlist, entry) {
1585                 if (p->pid == pid)
1586                         return (p);
1587         }
1588
1589         return (NULL);
1590 }
1591
1592 uint32_t
1593 name_to_pixel(const char *colorname)
1594 {
1595         uint32_t                        result = 0;
1596         char                            cname[32] = "#";
1597         xcb_screen_t                    *screen;
1598         xcb_colormap_t                  cmap;
1599         xcb_alloc_color_reply_t         *cr;
1600         xcb_alloc_named_color_reply_t   *nr;
1601         uint16_t                        rr, gg, bb;
1602
1603         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1604         cmap = screen->default_colormap;
1605
1606         /* color is in format rgb://rr/gg/bb */
1607         if (strncmp(colorname, "rgb:", 4) == 0) {
1608                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1609                         warnx("could not parse rgb %s", colorname);
1610                 else {
1611                         cr = xcb_alloc_color_reply(conn,
1612                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1613                             NULL);
1614                         if (cr) {
1615                                 result = cr->pixel;
1616                                 free(cr);
1617                         } else
1618                                 warnx("color '%s' not found", colorname);
1619                 }
1620         } else {
1621                 nr = xcb_alloc_named_color_reply(conn,
1622                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1623                             colorname), NULL);
1624                 if (!nr) {
1625                         strlcat(cname, colorname + 2, sizeof cname - 1);
1626                         nr = xcb_alloc_named_color_reply(conn,
1627                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1628                             cname), NULL);
1629                 }
1630                 if (nr) {
1631                         result = nr->pixel;
1632                         free(nr);
1633                 } else
1634                         warnx("color '%s' not found", colorname);
1635         }
1636
1637         return (result);
1638 }
1639
1640 void
1641 setscreencolor(char *val, int i, int c)
1642 {
1643         int     num_screens;
1644
1645         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1646         if (i > 0 && i <= num_screens) {
1647                 screens[i - 1].c[c].pixel = name_to_pixel(val);
1648                 free(screens[i - 1].c[c].name);
1649                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1650                         err(1, "strdup");
1651         } else if (i == -1) {
1652                 for (i = 0; i < num_screens; i++) {
1653                         screens[i].c[c].pixel = name_to_pixel(val);
1654                         free(screens[i].c[c].name);
1655                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1656                                 err(1, "strdup");
1657                 }
1658         } else
1659                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1660                     i, num_screens);
1661 }
1662
1663 void
1664 fancy_stacker(struct workspace *ws)
1665 {
1666         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1667         if (ws->cur_layout->l_stack == vertical_stack)
1668                 snprintf(ws->stacker, sizeof ws->stacker,
1669                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1670                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1671         if (ws->cur_layout->l_stack == horizontal_stack)
1672                 snprintf(ws->stacker, sizeof ws->stacker,
1673                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1674                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1675 }
1676
1677 void
1678 plain_stacker(struct workspace *ws)
1679 {
1680         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1681         if (ws->cur_layout->l_stack == vertical_stack)
1682                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1683                     sizeof ws->stacker);
1684         if (ws->cur_layout->l_stack == horizontal_stack)
1685                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1686                     sizeof ws->stacker);
1687 }
1688
1689 void
1690 custom_region(char *val)
1691 {
1692         unsigned int                    x, y, w, h;
1693         int                             sidx, num_screens;
1694         xcb_screen_t                    *screen;
1695
1696         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1697         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1698                 errx(1, "invalid custom region, "
1699                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1700         if (sidx < 1 || sidx > num_screens)
1701                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1702                     sidx, num_screens);
1703         sidx--;
1704
1705         if ((screen = get_screen(sidx)) == NULL)
1706                 errx(1, "ERROR: can't get screen %d.", sidx);
1707
1708         if (w < 1 || h < 1)
1709                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1710
1711         if (x > screen->width_in_pixels ||
1712             y > screen->height_in_pixels ||
1713             w + x > screen->width_in_pixels ||
1714             h + y > screen->height_in_pixels) {
1715                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1716                     "boundaries (%ux%u)", w, h, x, y,
1717                     screen->width_in_pixels, screen->height_in_pixels);
1718                 return;
1719         }
1720
1721         new_region(&screens[sidx], x, y, w, h);
1722 }
1723
1724 void
1725 socket_setnonblock(int fd)
1726 {
1727         int                     flags;
1728
1729         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1730                 err(1, "fcntl F_GETFL");
1731         flags |= O_NONBLOCK;
1732         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1733                 err(1, "fcntl F_SETFL");
1734 }
1735
1736 void
1737 bar_print_legacy(struct swm_region *r, const char *s)
1738 {
1739         xcb_rectangle_t         rect;
1740         uint32_t                gcv[1];
1741         XGCValues               gcvd;
1742         int                     x = 0;
1743         size_t                  len;
1744         XRectangle              ibox, lbox;
1745         GC                      draw;
1746
1747         len = strlen(s);
1748         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1749
1750         switch (bar_justify) {
1751         case SWM_BAR_JUSTIFY_LEFT:
1752                 x = SWM_BAR_OFFSET;
1753                 break;
1754         case SWM_BAR_JUSTIFY_CENTER:
1755                 x = (WIDTH(r) - lbox.width) / 2;
1756                 break;
1757         case SWM_BAR_JUSTIFY_RIGHT:
1758                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1759                 break;
1760         }
1761
1762         if (x < SWM_BAR_OFFSET)
1763                 x = SWM_BAR_OFFSET;
1764
1765         rect.x = 0;
1766         rect.y = 0;
1767         rect.width = WIDTH(r->bar);
1768         rect.height = HEIGHT(r->bar);
1769
1770         /* clear back buffer */
1771         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1772         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1773         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1774
1775         /* draw back buffer */
1776         gcvd.graphics_exposures = 0;
1777         draw = XCreateGC(display, r->bar->buffer, GCGraphicsExposures, &gcvd);
1778         XSetForeground(display, draw, r->s->c[SWM_S_COLOR_BAR_FONT].pixel);
1779         DRAWSTRING(display, r->bar->buffer, bar_fs, draw,
1780             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1781             lbox.y, s, len);
1782         XFreeGC(display, draw);
1783
1784         /* blt */
1785         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1786             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1787 }
1788
1789 void
1790 bar_print(struct swm_region *r, const char *s)
1791 {
1792         size_t                          len;
1793         xcb_rectangle_t                 rect;
1794         uint32_t                        gcv[1];
1795         int32_t                         x = 0;
1796         XGlyphInfo                      info;
1797         XftDraw                         *draw;
1798
1799         len = strlen(s);
1800
1801         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
1802
1803         switch (bar_justify) {
1804         case SWM_BAR_JUSTIFY_LEFT:
1805                 x = SWM_BAR_OFFSET;
1806                 break;
1807         case SWM_BAR_JUSTIFY_CENTER:
1808                 x = (WIDTH(r) - info.width) / 2;
1809                 break;
1810         case SWM_BAR_JUSTIFY_RIGHT:
1811                 x = WIDTH(r) - info.width - SWM_BAR_OFFSET;
1812                 break;
1813         }
1814
1815         if (x < SWM_BAR_OFFSET)
1816                 x = SWM_BAR_OFFSET;
1817
1818         rect.x = 0;
1819         rect.y = 0;
1820         rect.width = WIDTH(r->bar);
1821         rect.height = HEIGHT(r->bar);
1822
1823         /* clear back buffer */
1824         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1825         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1826         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1827
1828         /* draw back buffer */
1829         draw = XftDrawCreate(display, r->bar->buffer,
1830             DefaultVisual(display, r->s->idx),
1831             DefaultColormap(display, r->s->idx));
1832
1833         XftDrawStringUtf8(draw, &bar_font_color, bar_font, x,
1834             (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
1835             (FcChar8 *)s, len);
1836
1837         XftDrawDestroy(draw);
1838
1839         /* blt */
1840         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1841             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1842 }
1843
1844 void
1845 bar_extra_stop(void)
1846 {
1847         if (bar_pipe[0]) {
1848                 close(bar_pipe[0]);
1849                 bzero(bar_pipe, sizeof bar_pipe);
1850         }
1851         if (bar_pid) {
1852                 kill(bar_pid, SIGTERM);
1853                 bar_pid = 0;
1854         }
1855         strlcpy(bar_ext, "", sizeof bar_ext);
1856         bar_extra = 0;
1857 }
1858
1859 void
1860 bar_class_name(char *s, size_t sz, struct swm_region *r)
1861 {
1862         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1863                 return;
1864         if (r->ws->focus->ch.class_name != NULL)
1865                 strlcat(s, r->ws->focus->ch.class_name, sz);
1866 }
1867
1868 void
1869 bar_title_name(char *s, size_t sz, struct swm_region *r)
1870 {
1871         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1872                 return;
1873         if (r->ws->focus->ch.instance_name != NULL)
1874                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1875 }
1876
1877 void
1878 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1879 {
1880         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1881                 return;
1882
1883         bar_class_name(s, sz, r);
1884         strlcat(s, ":", sz);
1885         bar_title_name(s, sz, r);
1886 }
1887
1888 void
1889 bar_window_float(char *s, size_t sz, struct swm_region *r)
1890 {
1891         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1892                 return;
1893         if (r->ws->focus->floating)
1894                 strlcat(s, "(f)", sz);
1895 }
1896
1897 void
1898 bar_window_name(char *s, size_t sz, struct swm_region *r)
1899 {
1900         char            *title;
1901
1902         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1903                 return;
1904         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1905                 return;
1906
1907         strlcat(s, title, sz);
1908         free(title);
1909 }
1910
1911 int             urgent[SWM_WS_MAX];
1912 void
1913 bar_urgent(char *s, size_t sz)
1914 {
1915         struct ws_win           *win;
1916         int                     i, j, num_screens;
1917         char                    b[8];
1918         xcb_get_property_cookie_t       c;
1919         xcb_icccm_wm_hints_t    hints;
1920
1921         for (i = 0; i < workspace_limit; i++)
1922                 urgent[i] = 0;
1923
1924         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1925         for (i = 0; i < num_screens; i++)
1926                 for (j = 0; j < workspace_limit; j++)
1927                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1928                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1929                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1930                                     &hints, NULL) == 0)
1931                                         continue;
1932                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1933                                         urgent[j] = 1;
1934                         }
1935
1936         for (i = 0; i < workspace_limit; i++) {
1937                 if (urgent[i])
1938                         snprintf(b, sizeof b, "%d ", i + 1);
1939                 else
1940                         snprintf(b, sizeof b, "- ");
1941                 strlcat(s, b, sz);
1942         }
1943 }
1944
1945 void
1946 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1947 {
1948         if (r == NULL || r->ws == NULL)
1949                 return;
1950         if (r->ws->name != NULL)
1951                 strlcat(s, r->ws->name, sz);
1952 }
1953
1954 /* build the default bar format according to the defined enabled options */
1955 void
1956 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1957 {
1958         /* if format provided, just copy the buffers */
1959         if (bar_format != NULL) {
1960                 strlcpy(fmtnew, fmtexp, sz);
1961                 return;
1962         }
1963
1964         /* reset the output buffer */
1965         *fmtnew = '\0';
1966
1967         strlcat(fmtnew, "+N:+I ", sz);
1968         if (stack_enabled)
1969                 strlcat(fmtnew, "+S", sz);
1970         strlcat(fmtnew, " ", sz);
1971
1972         /* only show the workspace name if there's actually one */
1973         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1974                 strlcat(fmtnew, "<+D>", sz);
1975         strlcat(fmtnew, "+3<", sz);
1976
1977         if (clock_enabled) {
1978                 strlcat(fmtnew, fmtexp, sz);
1979                 strlcat(fmtnew, "+4<", sz);
1980         }
1981
1982         /* bar_urgent already adds the space before the last asterisk */
1983         if (urgent_enabled)
1984                 strlcat(fmtnew, "* +U*+4<", sz);
1985
1986         if (title_class_enabled) {
1987                 strlcat(fmtnew, "+C", sz);
1988                 if (!title_name_enabled)
1989                         strlcat(fmtnew, "+4<", sz);
1990         }
1991
1992         /* checks needed by the colon and floating strlcat(3) calls below */
1993         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1994                 if (title_name_enabled) {
1995                         if (title_class_enabled)
1996                                 strlcat(fmtnew, ":", sz);
1997                         strlcat(fmtnew, "+T+4<", sz);
1998                 }
1999                 if (window_name_enabled) {
2000                         if (r->ws->focus->floating)
2001                                 strlcat(fmtnew, "+F ", sz);
2002                         strlcat(fmtnew, "+64W ", sz);
2003                 }
2004         }
2005
2006         /* finally add the action script output and the version */
2007         strlcat(fmtnew, "+4<+A+4<+V", sz);
2008 }
2009
2010 void
2011 bar_replace_pad(char *tmp, int *limit, size_t sz)
2012 {
2013         /* special case; no limit given, pad one space, instead */
2014         if (*limit == (int)sz - 1)
2015                 *limit = 1;
2016         snprintf(tmp, sz, "%*s", *limit, " ");
2017 }
2018
2019 /* replaces the bar format character sequences (like in tmux(1)) */
2020 char *
2021 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
2022     size_t sz)
2023 {
2024         char                    *ptr;
2025         char                    tmp[SWM_BAR_MAX];
2026         int                     limit, size;
2027         size_t                  len;
2028
2029         /* reset strlcat(3) buffer */
2030         *tmp = '\0';
2031
2032         /* get number, if any */
2033         fmt++;
2034         size = 0;
2035         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
2036                 limit = sizeof tmp - 1;
2037         if (limit <= 0 || limit >= (int)sizeof tmp)
2038                 limit = sizeof tmp - 1;
2039
2040         /* there is nothing to replace (ie EOL) */
2041         fmt += size;
2042         if (*fmt == '\0')
2043                 return (fmt);
2044
2045         switch (*fmt) {
2046         case '<':
2047                 bar_replace_pad(tmp, &limit, sizeof tmp);
2048                 break;
2049         case 'A':
2050                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
2051                 break;
2052         case 'C':
2053                 bar_class_name(tmp, sizeof tmp, r);
2054                 break;
2055         case 'D':
2056                 bar_workspace_name(tmp, sizeof tmp, r);
2057                 break;
2058         case 'F':
2059                 bar_window_float(tmp, sizeof tmp, r);
2060                 break;
2061         case 'I':
2062                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
2063                 break;
2064         case 'N':
2065                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
2066                 break;
2067         case 'P':
2068                 bar_class_title_name(tmp, sizeof tmp, r);
2069                 break;
2070         case 'S':
2071                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
2072                 break;
2073         case 'T':
2074                 bar_title_name(tmp, sizeof tmp, r);
2075                 break;
2076         case 'U':
2077                 bar_urgent(tmp, sizeof tmp);
2078                 break;
2079         case 'V':
2080                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
2081                 break;
2082         case 'W':
2083                 bar_window_name(tmp, sizeof tmp, r);
2084                 break;
2085         default:
2086                 /* unknown character sequence; copy as-is */
2087                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
2088                 break;
2089         }
2090
2091         len = strlen(tmp);
2092         ptr = tmp;
2093         if ((int)len < limit)
2094                 limit = len;
2095         while (limit-- > 0) {
2096                 if (*offrep >= sz - 1)
2097                         break;
2098                 fmtrep[(*offrep)++] = *ptr++;
2099         }
2100
2101         fmt++;
2102         return (fmt);
2103 }
2104
2105 void
2106 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
2107 {
2108         size_t                  off;
2109
2110         off = 0;
2111         while (*fmt != '\0') {
2112                 if (*fmt != '+') {
2113                         /* skip ordinary characters */
2114                         if (off >= sz - 1)
2115                                 break;
2116                         fmtrep[off++] = *fmt++;
2117                         continue;
2118                 }
2119
2120                 /* character sequence found; replace it */
2121                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
2122                 if (off >= sz - 1)
2123                         break;
2124         }
2125
2126         fmtrep[off] = '\0';
2127 }
2128
2129 void
2130 bar_fmt_expand(char *fmtexp, size_t sz)
2131 {
2132         char                    *fmt = NULL;
2133         size_t                  len;
2134         struct tm               tm;
2135         time_t                  tmt;
2136
2137         /* start by grabbing the current time and date */
2138         time(&tmt);
2139         localtime_r(&tmt, &tm);
2140
2141         /* figure out what to expand */
2142         if (bar_format != NULL)
2143                 fmt = bar_format;
2144         else if (bar_format == NULL && clock_enabled)
2145                 fmt = clock_format;
2146         /* if nothing to expand bail out */
2147         if (fmt == NULL) {
2148                 *fmtexp = '\0';
2149                 return;
2150         }
2151
2152         /* copy as-is, just in case the format shouldn't be expanded below */
2153         strlcpy(fmtexp, fmt, sz);
2154         /* finally pass the string through strftime(3) */
2155 #ifndef SWM_DENY_CLOCK_FORMAT
2156         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
2157                 warnx("format too long");
2158         fmtexp[len] = '\0';
2159 #endif
2160 }
2161
2162 void
2163 bar_fmt_print(void)
2164 {
2165         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
2166         char                    fmtrep[SWM_BAR_MAX];
2167         int                     i, num_screens;
2168         struct swm_region       *r;
2169
2170         /* expand the format by first passing it through strftime(3) */
2171         bar_fmt_expand(fmtexp, sizeof fmtexp);
2172
2173         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2174         for (i = 0; i < num_screens; i++) {
2175                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2176                         if (r->bar == NULL)
2177                                 continue;
2178                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
2179                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
2180                         if (bar_font_legacy)
2181                                 bar_print_legacy(r, fmtrep);
2182                         else
2183                                 bar_print(r, fmtrep);
2184                 }
2185         }
2186 }
2187
2188 void
2189 bar_update(void)
2190 {
2191         size_t                  len;
2192         char                    *b;
2193
2194         if (!bar_enabled)
2195                 return;
2196         if (bar_extra && bar_extra_running) {
2197                 /* ignore short reads; it'll correct itself */
2198                 while ((b = fgetln(stdin, &len)) != NULL)
2199                         if (b && b[len - 1] == '\n') {
2200                                 b[len - 1] = '\0';
2201                                 strlcpy(bar_ext, b, sizeof bar_ext);
2202                         }
2203                 if (b == NULL && errno != EAGAIN) {
2204                         warn("bar_update: bar_extra failed");
2205                         bar_extra_stop();
2206                 }
2207         } else
2208                 strlcpy(bar_ext, "", sizeof bar_ext);
2209
2210         bar_fmt_print();
2211         alarm(bar_delay);
2212 }
2213
2214 void
2215 bar_signal(int sig)
2216 {
2217         /* suppress unused warning since var is needed */
2218         (void)sig;
2219
2220         bar_alarm = 1;
2221 }
2222
2223 void
2224 bar_toggle(struct swm_region *r, union arg *args)
2225 {
2226         struct swm_region       *tmpr;
2227         int                     i, num_screens;
2228
2229         /* suppress unused warnings since vars are needed */
2230         (void)r;
2231         (void)args;
2232
2233         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
2234
2235         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2236         if (bar_enabled) {
2237                 for (i = 0; i < num_screens; i++)
2238                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
2239                                 if (tmpr->bar)
2240                                         xcb_unmap_window(conn, tmpr->bar->id);
2241         } else {
2242                 for (i = 0; i < num_screens; i++)
2243                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
2244                                 if (tmpr->bar)
2245                                         xcb_map_window(conn, tmpr->bar->id);
2246         }
2247
2248         bar_enabled = !bar_enabled;
2249
2250         stack();
2251
2252         /* must be after stack */
2253         bar_update();
2254
2255         focus_flush();
2256 }
2257
2258 void
2259 bar_refresh(void)
2260 {
2261         struct swm_region       *r;
2262         uint32_t                wa[2];
2263         int                     i, num_screens;
2264
2265         /* do this here because the conf file is in memory */
2266         if (bar_extra && !bar_extra_running && bar_argv[0]) {
2267                 /* launch external status app */
2268                 bar_extra_running = 1;
2269                 if (pipe(bar_pipe) == -1)
2270                         err(1, "pipe error");
2271                 socket_setnonblock(bar_pipe[0]);
2272                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
2273                 if (dup2(bar_pipe[0], 0) == -1)
2274                         err(1, "dup2");
2275                 if (dup2(bar_pipe[1], 1) == -1)
2276                         err(1, "dup2");
2277                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
2278                         err(1, "could not disable SIGPIPE");
2279                 switch (bar_pid = fork()) {
2280                 case -1:
2281                         err(1, "cannot fork");
2282                         break;
2283                 case 0: /* child */
2284                         close(bar_pipe[0]);
2285                         execvp(bar_argv[0], bar_argv);
2286                         err(1, "%s external app failed", bar_argv[0]);
2287                         break;
2288                 default: /* parent */
2289                         close(bar_pipe[1]);
2290                         break;
2291                 }
2292         }
2293
2294         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2295         for (i = 0; i < num_screens; i++)
2296                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2297                         if (r->bar == NULL)
2298                                 continue;
2299                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].pixel;
2300                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].pixel;
2301                         xcb_change_window_attributes(conn, r->bar->id,
2302                             XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
2303                 }
2304         bar_update();
2305 }
2306
2307 int
2308 isxlfd(char *s)
2309 {
2310         int      count = 0;
2311
2312         while ((s = index(s, '-'))) {
2313                 ++count;
2314                 ++s;
2315         }
2316
2317         return (count == 14);
2318 }
2319
2320 void
2321 fontset_init(void)
2322 {
2323         char                    *default_string;
2324         char                    **missing_charsets;
2325         int                     num_missing_charsets = 0;
2326         int                     i;
2327
2328         if (bar_fs) {
2329                 XFreeFontSet(display, bar_fs);
2330                 bar_fs = NULL;
2331         }
2332
2333         DNPRINTF(SWM_D_INIT, "fontset_init: loading bar_fonts: %s\n", bar_fonts);
2334
2335         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
2336             &num_missing_charsets, &default_string);
2337
2338         if (num_missing_charsets > 0) {
2339                 warnx("Unable to load charset(s):");
2340
2341                 for (i = 0; i < num_missing_charsets; ++i)
2342                         warnx("%s", missing_charsets[i]);
2343
2344                 XFreeStringList(missing_charsets);
2345
2346                 if (strcmp(default_string, ""))
2347                         warnx("Glyphs from those sets will be replaced "
2348                             "by '%s'.", default_string);
2349                 else
2350                         warnx("Glyphs from those sets won't be drawn.");
2351         }
2352
2353         if (bar_fs == NULL)
2354                 errx(1, "Error creating font set structure.");
2355
2356         bar_fs_extents = XExtentsOfFontSet(bar_fs);
2357
2358         bar_height = bar_fs_extents->max_logical_extent.height +
2359             2 * bar_border_width;
2360
2361         if (bar_height < 1)
2362                 bar_height = 1;
2363 }
2364
2365 void
2366 xft_init(struct swm_region *r)
2367 {
2368         char                    *font, *d, *search;
2369         XRenderColor            color;
2370
2371         if (bar_font == NULL) {
2372                 if ((d = strdup(bar_fonts)) == NULL)
2373                         errx(1, "insufficient memory.");
2374                 search = d;
2375                 while ((font = strsep(&search, ",")) != NULL) {
2376                         if (*font == '\0')
2377                                 continue;
2378
2379                         DNPRINTF(SWM_D_INIT, "xft_init: try font %s\n", font);
2380
2381                         if (isxlfd(font)) {
2382                                 bar_font = XftFontOpenXlfd(display, r->s->idx,
2383                                                 font);
2384                         } else {
2385                                 bar_font = XftFontOpenName(display, r->s->idx,
2386                                                 font);
2387                         }
2388
2389                         if (!bar_font) {
2390                                 warnx("unable to load font %s", font);
2391                                 continue;
2392                         } else {
2393                                 DNPRINTF(SWM_D_INIT, "successfully opened "
2394                                     "font %s\n", font);
2395                                 break;
2396                         }
2397                 }
2398                 free(d);
2399         }
2400
2401         if (bar_font == NULL)
2402                 errx(1, "unable to open a font");
2403
2404         PIXEL_TO_XRENDERCOLOR(r->s->c[SWM_S_COLOR_BAR_FONT].pixel, color);
2405
2406         if (!XftColorAllocValue(display, DefaultVisual(display, r->s->idx),
2407             DefaultColormap(display, r->s->idx), &color, &bar_font_color))
2408                 warn("Xft error: unable to allocate color.");
2409
2410         bar_height = bar_font->height + 2 * bar_border_width;
2411
2412         if (bar_height < 1)
2413                 bar_height = 1;
2414 }
2415
2416 void
2417 bar_setup(struct swm_region *r)
2418 {
2419         xcb_screen_t    *screen;
2420         uint32_t         wa[3];
2421
2422         DNPRINTF(SWM_D_BAR, "bar_setup: screen %d.\n",
2423             r->s->idx);
2424
2425         if ((screen = get_screen(r->s->idx)) == NULL)
2426                 errx(1, "ERROR: can't get screen %d.", r->s->idx);
2427
2428         if (r->bar != NULL)
2429                 return;
2430
2431         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
2432                 err(1, "bar_setup: calloc: failed to allocate memory.");
2433
2434         if (bar_font_legacy)
2435                 fontset_init();
2436         else
2437                 xft_init(r);
2438
2439         X(r->bar) = X(r);
2440         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
2441         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
2442         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
2443
2444         r->bar->id = xcb_generate_id(conn);
2445         wa[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
2446         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].pixel;
2447         wa[2] = XCB_EVENT_MASK_EXPOSURE;
2448
2449         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
2450             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
2451             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
2452             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
2453             | XCB_CW_EVENT_MASK, wa);
2454
2455         r->bar->buffer = xcb_generate_id(conn);
2456         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
2457             WIDTH(r->bar), HEIGHT(r->bar));
2458
2459         if (xrandr_support)
2460                 xcb_randr_select_input(conn, r->bar->id,
2461                     XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
2462
2463         if (bar_enabled)
2464                 xcb_map_window(conn, r->bar->id);
2465
2466         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
2467             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
2468             HEIGHT(r->bar));
2469
2470         if (signal(SIGALRM, bar_signal) == SIG_ERR)
2471                 err(1, "could not install bar_signal");
2472         bar_refresh();
2473 }
2474
2475 void
2476 bar_cleanup(struct swm_region *r)
2477 {
2478         if (r->bar == NULL)
2479                 return;
2480         xcb_destroy_window(conn, r->bar->id);
2481         xcb_free_pixmap(conn, r->bar->buffer);
2482         free(r->bar);
2483         r->bar = NULL;
2484 }
2485
2486 void
2487 set_win_state(struct ws_win *win, uint16_t state)
2488 {
2489         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2490
2491         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x, state: %u\n",
2492             win->id, state);
2493
2494         if (win == NULL)
2495                 return;
2496
2497         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
2498             a_state, 32, 2, data);
2499 }
2500
2501 uint32_t
2502 getstate(xcb_window_t w)
2503 {
2504         uint32_t                        result = 0;
2505         xcb_get_property_cookie_t       c;
2506         xcb_get_property_reply_t        *r;
2507
2508         c = xcb_get_property(conn, 0, w, a_state, a_state, 0L, 2L);
2509         r = xcb_get_property_reply(conn, c, NULL);
2510
2511         if (r) {
2512                 if (r->type == a_state && r->format == 32 && r->length == 2)
2513                         result = *((uint32_t *)xcb_get_property_value(r));
2514                 free(r);
2515         }
2516
2517         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
2518             result);
2519         return (result);
2520 }
2521
2522 void
2523 version(struct swm_region *r, union arg *args)
2524 {
2525         /* suppress unused warnings since vars are needed */
2526         (void)r;
2527         (void)args;
2528
2529         bar_version = !bar_version;
2530         if (bar_version)
2531                 snprintf(bar_vertext, sizeof bar_vertext,
2532                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2533         else
2534                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2535         bar_update();
2536
2537         xcb_flush(conn);
2538 }
2539
2540 void
2541 client_msg(struct ws_win *win, xcb_atom_t a, xcb_timestamp_t t)
2542 {
2543         xcb_client_message_event_t      ev;
2544 #ifdef SWM_DEBUG
2545         char                            *name;
2546 #endif
2547
2548         if (win == NULL)
2549                 return;
2550 #ifdef SWM_DEBUG
2551         name = get_atom_name(a);
2552         DNPRINTF(SWM_D_EVENT, "client_msg: window: 0x%x, atom: %s(%u), "
2553             "time: %#x\n",
2554             win->id, name, a, t);
2555         free(name);
2556 #endif
2557
2558         bzero(&ev, sizeof ev);
2559         ev.response_type = XCB_CLIENT_MESSAGE;
2560         ev.window = win->id;
2561         ev.type = a_prot;
2562         ev.format = 32;
2563         ev.data.data32[0] = a;
2564         ev.data.data32[1] = t;
2565
2566         xcb_send_event(conn, 0, win->id,
2567             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2568 }
2569
2570 /* synthetic response to a ConfigureRequest when not making a change */
2571 void
2572 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2573 {
2574         xcb_configure_notify_event_t ce;
2575
2576         if (win == NULL)
2577                 return;
2578
2579         /* send notification of unchanged state. */
2580         bzero(&ce, sizeof(ce));
2581         ce.response_type = XCB_CONFIGURE_NOTIFY;
2582         ce.x = X(win);
2583         ce.y = Y(win);
2584         ce.width = WIDTH(win);
2585         ce.height = HEIGHT(win);
2586         ce.override_redirect = 0;
2587
2588         if (ev == NULL) {
2589                 /* EWMH */
2590                 ce.event = win->id;
2591                 ce.window = win->id;
2592                 ce.border_width = BORDER(win);
2593                 ce.above_sibling = XCB_WINDOW_NONE;
2594         } else {
2595                 /* normal */
2596                 ce.event = ev->window;
2597                 ce.window = ev->window;
2598
2599                 /* make response appear more WM_SIZE_HINTS-compliant */
2600                 if (win->sh.flags) {
2601                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2602                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2603                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2604                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2605                             SH_INC_W(win), SH_INC_H(win));
2606                 }
2607
2608                 /* min size */
2609                 if (SH_MIN(win)) {
2610                         /* the hint may be set... to 0! */
2611                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2612                                 ce.width = SH_MIN_W(win);
2613                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2614                                 ce.height = SH_MIN_H(win);
2615                 }
2616
2617                 /* max size */
2618                 if (SH_MAX(win)) {
2619                         /* may also be advertized as 0 */
2620                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2621                                 ce.width = SH_MAX_W(win);
2622                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2623                                 ce.height = SH_MAX_H(win);
2624                 }
2625
2626                 /* resize increment. */
2627                 if (SH_INC(win)) {
2628                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2629                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2630                                     SH_INC_W(win);
2631                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2632                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2633                                     SH_INC_H(win);
2634                 }
2635
2636                 /* adjust x and y for requested border_width. */
2637                 ce.x += BORDER(win) - ev->border_width;
2638                 ce.y += BORDER(win) - ev->border_width;
2639                 ce.border_width = ev->border_width;
2640                 ce.above_sibling = ev->sibling;
2641         }
2642
2643         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2644             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2645             ce.y, ce.width, ce.height, ce.border_width);
2646
2647         xcb_send_event(conn, 0, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2648             (char *)&ce);
2649 }
2650
2651 int
2652 count_win(struct workspace *ws, int count_transient)
2653 {
2654         struct ws_win           *win;
2655         int                     count = 0;
2656
2657         TAILQ_FOREACH(win, &ws->winlist, entry) {
2658                 if (!count_transient && win->floating)
2659                         continue;
2660                 if (!count_transient && win->transient)
2661                         continue;
2662                 if (win->iconic)
2663                         continue;
2664                 count++;
2665         }
2666         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2667
2668         return (count);
2669 }
2670
2671 void
2672 quit(struct swm_region *r, union arg *args)
2673 {
2674         /* suppress unused warnings since vars are needed */
2675         (void)r;
2676         (void)args;
2677
2678         DNPRINTF(SWM_D_MISC, "quit\n");
2679         running = 0;
2680 }
2681
2682 void
2683 map_window(struct ws_win *win)
2684 {
2685         uint32_t        val = XCB_STACK_MODE_ABOVE;
2686
2687         if (win == NULL)
2688                 return;
2689
2690         DNPRINTF(SWM_D_EVENT, "map_window: win 0x%x, mapped: %s\n", win->id,
2691             YESNO(win->mapped));
2692
2693         xcb_configure_window(conn, win->id,
2694             XCB_CONFIG_WINDOW_STACK_MODE, &val);
2695
2696         if (win->mapped)
2697                 return;
2698
2699         xcb_map_window(conn, win->id);
2700         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
2701         win->mapped = 1;
2702 }
2703
2704 void
2705 unmap_window(struct ws_win *win)
2706 {
2707         if (win == NULL)
2708                 return;
2709
2710         DNPRINTF(SWM_D_EVENT, "unmap_window: win 0x%x, mapped: %s\n", win->id,
2711             YESNO(win->mapped));
2712
2713         if (!win->mapped)
2714                 return;
2715
2716         xcb_unmap_window(conn, win->id);
2717         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2718         win->mapped = 0;
2719 }
2720
2721 void
2722 unmap_all(void)
2723 {
2724         struct ws_win           *win;
2725         int                     i, j, num_screens;
2726
2727         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2728         for (i = 0; i < num_screens; i++)
2729                 for (j = 0; j < workspace_limit; j++)
2730                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2731                                 unmap_window(win);
2732 }
2733
2734 void
2735 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2736 {
2737         xcb_key_press_event_t   event;
2738         xcb_keycode_t           *keycode;
2739
2740         if (win == NULL)
2741                 return;
2742
2743         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2744
2745         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2746             win->id, *keycode);
2747
2748         bzero(&event, sizeof(event));
2749         event.event = win->id;
2750         event.root = win->s->root;
2751         event.child = XCB_WINDOW_NONE;
2752         event.time = XCB_CURRENT_TIME;
2753         event.event_x = X(win);
2754         event.event_y = Y(win);
2755         event.root_x = 1;
2756         event.root_y = 1;
2757         event.same_screen = 1;
2758         event.detail = *keycode;
2759         event.state = modifiers;
2760
2761         event.response_type = XCB_KEY_PRESS;
2762         xcb_send_event(conn, 1, win->id,
2763             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2764
2765         event.response_type = XCB_KEY_RELEASE;
2766         xcb_send_event(conn, 1, win->id,
2767             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2768
2769         free(keycode);
2770 }
2771
2772 void
2773 restart(struct swm_region *r, union arg *args)
2774 {
2775         /* suppress unused warning since var is needed */
2776         (void)r;
2777         (void)args;
2778
2779         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2780
2781         shutdown_cleanup();
2782
2783         execvp(start_argv[0], start_argv);
2784         warn("execvp failed");
2785         quit(NULL, NULL);
2786 }
2787
2788 struct ws_win *
2789 get_pointer_win(xcb_window_t root)
2790 {
2791         struct ws_win                   *win = NULL;
2792         xcb_query_pointer_reply_t       *r;
2793
2794         DNPRINTF(SWM_D_EVENT, "get_pointer_win: root: 0x%x.\n", root);
2795
2796         r = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, root), NULL);
2797         if (r) {
2798                 win = find_window(r->child);
2799                 if (win) {
2800                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: 0x%x.\n",
2801                             win->id);
2802                 } else {
2803                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: none.\n");
2804                 }
2805                 free(r);
2806         }
2807
2808         return win;
2809 }
2810
2811 struct swm_region *
2812 root_to_region(xcb_window_t root, int check)
2813 {
2814         struct ws_win                   *cfw;
2815         struct swm_region               *r = NULL;
2816         int                             i, num_screens;
2817         xcb_query_pointer_reply_t       *qpr;
2818         xcb_get_input_focus_reply_t     *gifr;
2819
2820         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2821
2822         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2823         for (i = 0; i < num_screens; i++)
2824                 if (screens[i].root == root)
2825                         break;
2826
2827         if (check & SWM_CK_FOCUS) {
2828                 /* Try to find an actively focused window */
2829                 gifr = xcb_get_input_focus_reply(conn,
2830                     xcb_get_input_focus(conn), NULL);
2831                 if (gifr) {
2832                         cfw = find_window(gifr->focus);
2833                         if (cfw && cfw->ws->r)
2834                                 r = cfw->ws->r;
2835
2836                         free(gifr);
2837                 }
2838         }
2839
2840         if (r == NULL && check & SWM_CK_POINTER) {
2841                 /* No region with an active focus; try to use pointer. */
2842                 qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2843                     screens[i].root), NULL);
2844
2845                 if (qpr) {
2846                         DNPRINTF(SWM_D_MISC, "root_to_region: pointer: "
2847                             "(%d,%d)\n", qpr->root_x, qpr->root_y);
2848                         TAILQ_FOREACH(r, &screens[i].rl, entry)
2849                                 if (X(r) <= qpr->root_x &&
2850                                     qpr->root_x < MAX_X(r) &&
2851                                     Y(r) <= qpr->root_y &&
2852                                     qpr->root_y < MAX_Y(r))
2853                                         break;
2854                         free(qpr);
2855                 }
2856         }
2857
2858         /* Last resort. */
2859         if (r == NULL && check & SWM_CK_FALLBACK)
2860                 r = TAILQ_FIRST(&screens[i].rl);
2861
2862         return (r);
2863 }
2864
2865 struct ws_win *
2866 find_unmanaged_window(xcb_window_t id)
2867 {
2868         struct ws_win           *win;
2869         int                     i, j, num_screens;
2870
2871         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2872         for (i = 0; i < num_screens; i++)
2873                 for (j = 0; j < workspace_limit; j++)
2874                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2875                             entry)
2876                                 if (id == win->id)
2877                                         return (win);
2878         return (NULL);
2879 }
2880
2881 struct ws_win *
2882 find_window(xcb_window_t id)
2883 {
2884         struct ws_win           *win;
2885         int                     i, j, num_screens;
2886         xcb_query_tree_reply_t  *r;
2887
2888         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2889         for (i = 0; i < num_screens; i++)
2890                 for (j = 0; j < workspace_limit; j++)
2891                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2892                                 if (id == win->id)
2893                                         return (win);
2894
2895         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
2896         if (!r)
2897                 return (NULL);
2898
2899         /* if we were looking for the parent return that window instead */
2900         if (r->parent == 0 || r->root == r->parent) {
2901                 free(r);
2902                 return (NULL);
2903         }
2904
2905         /* look for parent */
2906         for (i = 0; i < num_screens; i++)
2907                 for (j = 0; j < workspace_limit; j++)
2908                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2909                                 if (r->parent == win->id) {
2910                                         free(r);
2911                                         return (win);
2912                                 }
2913
2914         free(r);
2915         return (NULL);
2916 }
2917
2918 void
2919 spawn(int ws_idx, union arg *args, int close_fd)
2920 {
2921         int                     fd;
2922         char                    *ret = NULL;
2923
2924         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2925
2926         close(xcb_get_file_descriptor(conn));
2927
2928         setenv("LD_PRELOAD", SWM_LIB, 1);
2929
2930         if (asprintf(&ret, "%d", ws_idx) == -1) {
2931                 warn("spawn: asprintf SWM_WS");
2932                 _exit(1);
2933         }
2934         setenv("_SWM_WS", ret, 1);
2935         free(ret);
2936         ret = NULL;
2937
2938         if (asprintf(&ret, "%d", getpid()) == -1) {
2939                 warn("spawn: asprintf _SWM_PID");
2940                 _exit(1);
2941         }
2942         setenv("_SWM_PID", ret, 1);
2943         free(ret);
2944         ret = NULL;
2945
2946         if (setsid() == -1) {
2947                 warn("spawn: setsid");
2948                 _exit(1);
2949         }
2950
2951         if (close_fd) {
2952                 /*
2953                  * close stdin and stdout to prevent interaction between apps
2954                  * and the baraction script
2955                  * leave stderr open to record errors
2956                 */
2957                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2958                         warn("spawn: open");
2959                         _exit(1);
2960                 }
2961                 dup2(fd, STDIN_FILENO);
2962                 dup2(fd, STDOUT_FILENO);
2963                 if (fd > 2)
2964                         close(fd);
2965         }
2966
2967         execvp(args->argv[0], args->argv);
2968
2969         warn("spawn: execvp");
2970         _exit(1);
2971 }
2972
2973 void
2974 kill_refs(struct ws_win *win)
2975 {
2976         int                     i, x, num_screens;
2977         struct swm_region       *r;
2978         struct workspace        *ws;
2979
2980         if (win == NULL)
2981                 return;
2982
2983         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2984         for (i = 0; i < num_screens; i++)
2985                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2986                         for (x = 0; x < workspace_limit; x++) {
2987                                 ws = &r->s->ws[x];
2988                                 if (win == ws->focus)
2989                                         ws->focus = NULL;
2990                                 if (win == ws->focus_prev)
2991                                         ws->focus_prev = NULL;
2992                         }
2993 }
2994
2995 int
2996 validate_win(struct ws_win *testwin)
2997 {
2998         struct ws_win           *win;
2999         struct workspace        *ws;
3000         struct swm_region       *r;
3001         int                     i, x, num_screens;
3002
3003         if (testwin == NULL)
3004                 return (0);
3005
3006         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3007         for (i = 0; i < num_screens; i++)
3008                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3009                         for (x = 0; x < workspace_limit; x++) {
3010                                 ws = &r->s->ws[x];
3011                                 TAILQ_FOREACH(win, &ws->winlist, entry)
3012                                         if (win == testwin)
3013                                                 return (0);
3014                         }
3015         return (1);
3016 }
3017
3018 int
3019 validate_ws(struct workspace *testws)
3020 {
3021         struct swm_region       *r;
3022         struct workspace        *ws;
3023         int                     i, x, num_screens;
3024
3025         /* validate all ws */
3026         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3027         for (i = 0; i < num_screens; i++)
3028                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3029                         for (x = 0; x < workspace_limit; x++) {
3030                                 ws = &r->s->ws[x];
3031                                 if (ws == testws)
3032                                         return (0);
3033                         }
3034         return (1);
3035 }
3036
3037 void
3038 unfocus_win(struct ws_win *win)
3039 {
3040         xcb_window_t            none = XCB_WINDOW_NONE;
3041
3042         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
3043
3044         if (win == NULL)
3045                 return;
3046         if (win->ws == NULL) {
3047                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL ws.\n");
3048                 return;
3049         }
3050
3051         if (validate_ws(win->ws)) {
3052                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid ws.\n");
3053                 return;
3054         }
3055
3056         if (win->ws->r == NULL) {
3057                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL region.\n");
3058                 return;
3059         }
3060
3061         if (validate_win(win)) {
3062                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid win.\n");
3063                 kill_refs(win);
3064                 return;
3065         }
3066
3067         if (win->ws->focus == win) {
3068                 win->ws->focus = NULL;
3069                 win->ws->focus_prev = win;
3070         }
3071
3072         if (validate_win(win->ws->focus)) {
3073                 kill_refs(win->ws->focus);
3074                 win->ws->focus = NULL;
3075         }
3076         if (validate_win(win->ws->focus_prev)) {
3077                 kill_refs(win->ws->focus_prev);
3078                 win->ws->focus_prev = NULL;
3079         }
3080
3081         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3082             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
3083
3084         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3085             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
3086
3087         DNPRINTF(SWM_D_FOCUS, "unfocus_win: done.\n");
3088 }
3089
3090 void
3091 focus_win(struct ws_win *win)
3092 {
3093         struct ws_win                   *cfw = NULL, *parent = NULL, *w;
3094         struct workspace                *ws;
3095         xcb_get_input_focus_reply_t     *r;
3096
3097         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
3098
3099         if (win == NULL)
3100                 goto out;
3101
3102         if (win->ws == NULL)
3103                 goto out;
3104
3105         ws = win->ws;
3106
3107         if (validate_ws(ws))
3108                 goto out;
3109
3110         if (validate_win(win)) {
3111                 kill_refs(win);
3112                 goto out;
3113         }
3114
3115         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
3116         if (r) {
3117                 cfw = find_window(r->focus);
3118                 if (cfw != win)
3119                         unfocus_win(cfw);
3120                 free(r);
3121         }
3122
3123         if (ws->focus != win) {
3124                 if (ws->focus && ws->focus != cfw)
3125                         unfocus_win(ws->focus);
3126                 ws->focus = win;
3127         }
3128
3129         /* If this window directs focus to a child window, then clear. */
3130         if (win->focus_child)
3131                 win->focus_child = NULL;
3132
3133         /* If transient, adjust parent's focus child for focus_magic. */
3134         if (win->transient) {
3135                 parent = find_window(win->transient);
3136                 if (parent && parent->focus_child != win)
3137                         parent->focus_child = win;
3138         }
3139
3140         if (cfw != win && ws->r != NULL) {
3141                 /* Set input focus if no input hint, or indicated by hint. */
3142                 if (!(win->hints.flags & XCB_ICCCM_WM_HINT_INPUT) ||
3143                     (win->hints.flags & XCB_ICCCM_WM_HINT_INPUT &&
3144                      win->hints.input))
3145                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3146                                         win->id, last_event_time);
3147
3148                 /* Tell app it can adjust focus to a specific window. */
3149                 if (win->take_focus) {
3150                         /* java is special; always tell parent */
3151                         if (win->transient && win->java)
3152                                 client_msg(parent, a_takefocus,
3153                                     last_event_time);
3154                         else
3155                                 client_msg(win, a_takefocus, last_event_time);
3156                 }
3157
3158                 xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3159                     &ws->r->s->c[SWM_S_COLOR_FOCUS].pixel);
3160
3161                 if (ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
3162                     ws->always_raise) {
3163                         /* If a parent exists, map it first. */
3164                         if (parent) {
3165                                 map_window(parent);
3166
3167                                 /* Map siblings next. */
3168                                 TAILQ_FOREACH(w, &ws->winlist, entry)
3169                                         if (w != win && !w->iconic &&
3170                                             w->transient == parent->id)
3171                                                 map_window(w);
3172                         }
3173
3174                         /* Map focused window. */
3175                         map_window(win);
3176
3177                         /* Finally, map children of focus window. */
3178                         TAILQ_FOREACH(w, &ws->winlist, entry)
3179                                 if (w->transient == win->id && !w->iconic)
3180                                         map_window(w);
3181
3182                 }
3183
3184                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3185                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
3186                     &win->id);
3187         }
3188
3189 out:
3190         bar_update();
3191
3192         DNPRINTF(SWM_D_FOCUS, "focus_win: done.\n");
3193 }
3194
3195 /* If a child window should have focus instead, return it. */
3196 struct ws_win *
3197 get_focus_magic(struct ws_win *win)
3198 {
3199         struct ws_win   *parent = NULL;
3200         struct ws_win   *child = NULL;
3201
3202         DNPRINTF(SWM_D_FOCUS, "get_focus_magic: window: 0x%x\n", WINID(win));
3203         if (win == NULL)
3204                 return win;
3205
3206         if (win->transient) {
3207                 parent = find_window(win->transient);
3208
3209                 /* If parent prefers focus elsewhere, then try to do so. */
3210                 if (parent && (child = parent->focus_child)) {
3211                         if (validate_win(child) == 0 && child->mapped)
3212                                 win = child;
3213                         else
3214                                 parent->focus_child = NULL;
3215                 }
3216         }
3217
3218         /* If this window prefers focus elsewhere, then try to do so. */
3219         if ((child = win->focus_child)) {
3220                 if (validate_win(child) == 0 && child->mapped)
3221                         win = child;
3222                 else
3223                         win->focus_child = NULL;
3224         }
3225
3226         return win;
3227 }
3228
3229 void
3230 event_drain(uint8_t rt)
3231 {
3232         xcb_generic_event_t     *evt;
3233
3234         /* ensure all pending requests have been processed before filtering. */
3235         xcb_aux_sync(conn);
3236         while ((evt = xcb_poll_for_event(conn))) {
3237                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
3238                         event_handle(evt);
3239
3240                 free(evt);
3241         }
3242 }
3243
3244 void
3245 switchws(struct swm_region *r, union arg *args)
3246 {
3247         int                     wsid = args->id, unmap_old = 0;
3248         struct swm_region       *this_r, *other_r;
3249         struct ws_win           *win;
3250         struct workspace        *new_ws, *old_ws;
3251
3252         if (!(r && r->s))
3253                 return;
3254
3255         if (wsid >= workspace_limit)
3256                 return;
3257
3258         this_r = r;
3259         old_ws = this_r->ws;
3260         new_ws = &this_r->s->ws[wsid];
3261
3262         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
3263             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
3264
3265         if (new_ws == NULL || old_ws == NULL)
3266                 return;
3267         if (new_ws == old_ws)
3268                 return;
3269
3270         unfocus_win(old_ws->focus);
3271
3272         other_r = new_ws->r;
3273         if (other_r == NULL) {
3274                 /* the other workspace is hidden, hide this one */
3275                 old_ws->r = NULL;
3276                 unmap_old = 1;
3277         } else {
3278                 /* the other ws is visible in another region, exchange them */
3279                 other_r->ws_prior = new_ws;
3280                 other_r->ws = old_ws;
3281                 old_ws->r = other_r;
3282         }
3283         this_r->ws_prior = old_ws;
3284         this_r->ws = new_ws;
3285         new_ws->r = this_r;
3286
3287         /* Set focus_pending before stacking. */
3288         if (focus_mode != SWM_FOCUS_FOLLOW)
3289                 new_ws->focus_pending = get_region_focus(new_ws->r);
3290
3291         stack();
3292
3293         /* unmap old windows */
3294         if (unmap_old)
3295                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
3296                         unmap_window(win);
3297
3298         /* if workspaces were swapped, then don't wait to set focus */
3299         if (old_ws->r && focus_mode != SWM_FOCUS_FOLLOW) {
3300                 if (new_ws->focus_pending) {
3301                         focus_win(new_ws->focus_pending);
3302                 } else {
3303                         /* Empty region, focus on root. */
3304                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3305                             new_ws->r->s[new_ws->r->s->idx].root,
3306                             XCB_CURRENT_TIME);
3307                 }
3308         }
3309
3310         /* Clear bar if new ws is empty. */
3311         if (new_ws->focus_pending == NULL)
3312                 bar_update();
3313
3314         focus_flush();
3315
3316         DNPRINTF(SWM_D_WS, "switchws: done.\n");
3317 }
3318
3319 void
3320 cyclews(struct swm_region *r, union arg *args)
3321 {
3322         union                   arg a;
3323         struct swm_screen       *s = r->s;
3324         int                     cycle_all = 0;
3325
3326         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3327             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3328
3329         a.id = r->ws->idx;
3330         do {
3331                 switch (args->id) {
3332                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
3333                         cycle_all = 1;
3334                         /* FALLTHROUGH */
3335                 case SWM_ARG_ID_CYCLEWS_UP:
3336                         if (a.id < workspace_limit - 1)
3337                                 a.id++;
3338                         else
3339                                 a.id = 0;
3340                         break;
3341                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
3342                         cycle_all = 1;
3343                         /* FALLTHROUGH */
3344                 case SWM_ARG_ID_CYCLEWS_DOWN:
3345                         if (a.id > 0)
3346                                 a.id--;
3347                         else
3348                                 a.id = workspace_limit - 1;
3349                         break;
3350                 default:
3351                         return;
3352                 };
3353
3354                 if (!cycle_all &&
3355                     (!cycle_empty && TAILQ_EMPTY(&s->ws[a.id].winlist)))
3356                         continue;
3357                 if (!cycle_visible && s->ws[a.id].r != NULL)
3358                         continue;
3359
3360                 switchws(r, &a);
3361         } while (a.id != r->ws->idx);
3362 }
3363
3364 void
3365 priorws(struct swm_region *r, union arg *args)
3366 {
3367         union arg               a;
3368
3369         (void)args;
3370
3371         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3372             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3373
3374         if (r->ws_prior == NULL)
3375                 return;
3376
3377         a.id = r->ws_prior->idx;
3378         switchws(r, &a);
3379 }
3380
3381 void
3382 cyclescr(struct swm_region *r, union arg *args)
3383 {
3384         struct ws_win           *nfw;
3385         struct swm_region       *rr = NULL;
3386         int                     i, num_screens;
3387
3388         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3389         /* do nothing if we don't have more than one screen */
3390         if (!(num_screens > 1 || outputs > 1))
3391                 return;
3392
3393         i = r->s->idx;
3394         switch (args->id) {
3395         case SWM_ARG_ID_CYCLESC_UP:
3396                 rr = TAILQ_NEXT(r, entry);
3397                 if (rr == NULL)
3398                         rr = TAILQ_FIRST(&screens[i].rl);
3399                 break;
3400         case SWM_ARG_ID_CYCLESC_DOWN:
3401                 rr = TAILQ_PREV(r, swm_region_list, entry);
3402                 if (rr == NULL)
3403                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
3404                 break;
3405         default:
3406                 return;
3407         };
3408         if (rr == NULL)
3409                 return;
3410
3411         nfw = get_region_focus(rr);
3412         if (nfw) {
3413                 focus_win(nfw);
3414         } else {
3415                 /* New region is empty; unfocus old region and warp pointer. */
3416                 unfocus_win(r->ws->focus);
3417                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3418                                 rr->s[i].root, XCB_CURRENT_TIME);
3419
3420                 /* Clear bar since empty. */
3421                 bar_update();
3422         }
3423
3424         focus_flush();
3425 }
3426
3427 void
3428 sort_windows(struct ws_win_list *wl)
3429 {
3430         struct ws_win           *win, *parent, *nxt;
3431
3432         if (wl == NULL)
3433                 return;
3434
3435         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
3436                 nxt = TAILQ_NEXT(win, entry);
3437                 if (win->transient) {
3438                         parent = find_window(win->transient);
3439                         if (parent == NULL) {
3440                                 warnx("not possible bug");
3441                                 continue;
3442                         }
3443                         TAILQ_REMOVE(wl, win, entry);
3444                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
3445                 }
3446         }
3447
3448 }
3449
3450 void
3451 swapwin(struct swm_region *r, union arg *args)
3452 {
3453         struct ws_win           *target, *source;
3454         struct ws_win           *cur_focus;
3455         struct ws_win_list      *wl;
3456
3457         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3458             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3459
3460         cur_focus = r->ws->focus;
3461         if (cur_focus == NULL)
3462                 return;
3463
3464         source = cur_focus;
3465         wl = &source->ws->winlist;
3466
3467         switch (args->id) {
3468         case SWM_ARG_ID_SWAPPREV:
3469                 if (source->transient)
3470                         source = find_window(source->transient);
3471                 target = TAILQ_PREV(source, ws_win_list, entry);
3472                 if (target && target->transient)
3473                         target = find_window(target->transient);
3474                 TAILQ_REMOVE(wl, source, entry);
3475                 if (target == NULL)
3476                         TAILQ_INSERT_TAIL(wl, source, entry);
3477                 else
3478                         TAILQ_INSERT_BEFORE(target, source, entry);
3479                 break;
3480         case SWM_ARG_ID_SWAPNEXT:
3481                 target = TAILQ_NEXT(source, entry);
3482                 /* move the parent and let the sort handle the move */
3483                 if (source->transient)
3484                         source = find_window(source->transient);
3485                 TAILQ_REMOVE(wl, source, entry);
3486                 if (target == NULL)
3487                         TAILQ_INSERT_HEAD(wl, source, entry);
3488                 else
3489                         TAILQ_INSERT_AFTER(wl, target, source, entry);
3490                 break;
3491         case SWM_ARG_ID_SWAPMAIN:
3492                 target = TAILQ_FIRST(wl);
3493                 if (target == source) {
3494                         if (source->ws->focus_prev != NULL &&
3495                             source->ws->focus_prev != target)
3496                                 source = source->ws->focus_prev;
3497                         else
3498                                 return;
3499                 }
3500                 if (target == NULL || source == NULL)
3501                         return;
3502                 source->ws->focus_prev = target;
3503                 TAILQ_REMOVE(wl, target, entry);
3504                 TAILQ_INSERT_BEFORE(source, target, entry);
3505                 TAILQ_REMOVE(wl, source, entry);
3506                 TAILQ_INSERT_HEAD(wl, source, entry);
3507                 break;
3508         case SWM_ARG_ID_MOVELAST:
3509                 TAILQ_REMOVE(wl, source, entry);
3510                 TAILQ_INSERT_TAIL(wl, source, entry);
3511                 break;
3512         default:
3513                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
3514                 return;
3515         }
3516
3517         sort_windows(wl);
3518
3519         stack();
3520
3521         focus_flush();
3522 }
3523
3524 struct ws_win *
3525 get_focus_prev(struct ws_win *win)
3526 {
3527         struct ws_win           *winfocus = NULL;
3528         struct ws_win           *cur_focus = NULL;
3529         struct ws_win_list      *wl = NULL;
3530         struct workspace        *ws = NULL;
3531
3532         if (!(win && win->ws))
3533                 return NULL;
3534
3535         ws = win->ws;
3536         wl = &ws->winlist;
3537         cur_focus = ws->focus;
3538
3539         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: window: 0x%x, cur_focus: 0x%x\n",
3540             WINID(win), WINID(cur_focus));
3541
3542         /* pickle, just focus on whatever */
3543         if (cur_focus == NULL) {
3544                 /* use prev_focus if valid */
3545                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
3546                     find_window(WINID(ws->focus_prev)))
3547                         winfocus = ws->focus_prev;
3548                 goto done;
3549         }
3550
3551         /* if transient focus on parent */
3552         if (cur_focus->transient) {
3553                 winfocus = find_window(cur_focus->transient);
3554                 goto done;
3555         }
3556
3557         /* if in max_stack try harder */
3558         if ((win->quirks & SWM_Q_FOCUSPREV) ||
3559             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
3560                 if (cur_focus != ws->focus_prev)
3561                         winfocus = ws->focus_prev;
3562                 else
3563                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3564                 if (winfocus)
3565                         goto done;
3566         }
3567
3568         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: focus_close: %d\n", focus_close);
3569
3570         if (winfocus == NULL || winfocus == win) {
3571                 switch (focus_close) {
3572                 case SWM_STACK_BOTTOM:
3573                         winfocus = TAILQ_FIRST(wl);
3574                         break;
3575                 case SWM_STACK_TOP:
3576                         winfocus = TAILQ_LAST(wl, ws_win_list);
3577                         break;
3578                 case SWM_STACK_ABOVE:
3579                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
3580                                 if (focus_close_wrap)
3581                                         winfocus = TAILQ_FIRST(wl);
3582                                 else
3583                                         winfocus = TAILQ_PREV(cur_focus,
3584                                             ws_win_list, entry);
3585                         }
3586                         break;
3587                 case SWM_STACK_BELOW:
3588                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
3589                             entry)) == NULL) {
3590                                 if (focus_close_wrap)
3591                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3592                                 else
3593                                         winfocus = TAILQ_NEXT(cur_focus, entry);
3594                         }
3595                         break;
3596                 }
3597         }
3598 done:
3599         if (winfocus == NULL) {
3600                 if (focus_default == SWM_STACK_TOP)
3601                         winfocus = TAILQ_LAST(wl, ws_win_list);
3602                 else
3603                         winfocus = TAILQ_FIRST(wl);
3604         }
3605
3606         kill_refs(win);
3607
3608         return get_focus_magic(winfocus);
3609 }
3610
3611 struct ws_win *
3612 get_region_focus(struct swm_region *r)
3613 {
3614         struct ws_win           *winfocus = NULL;
3615
3616         if (!(r && r->ws))
3617                 return NULL;
3618
3619         if (r->ws->focus && !r->ws->focus->iconic)
3620                 winfocus = r->ws->focus;
3621         else if (r->ws->focus_prev && !r->ws->focus_prev->iconic)
3622                 winfocus = r->ws->focus_prev;
3623         else
3624                 TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3625                         if (!winfocus->iconic)
3626                                 break;
3627
3628         return get_focus_magic(winfocus);
3629 }
3630
3631 void
3632 focus(struct swm_region *r, union arg *args)
3633 {
3634         struct ws_win           *head, *cur_focus = NULL, *winfocus = NULL;
3635         struct ws_win_list      *wl = NULL;
3636         struct workspace        *ws = NULL;
3637         int                     all_iconics;
3638
3639         if (!(r && r->ws))
3640                 return;
3641
3642         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
3643
3644         if ((cur_focus = r->ws->focus) == NULL)
3645                 return;
3646         ws = r->ws;
3647         wl = &ws->winlist;
3648         if (TAILQ_EMPTY(wl))
3649                 return;
3650         /* make sure there is at least one uniconified window */
3651         all_iconics = 1;
3652         TAILQ_FOREACH(winfocus, wl, entry)
3653                 if (!winfocus->iconic) {
3654                         all_iconics = 0;
3655                         break;
3656                 }
3657         if (all_iconics)
3658                 return;
3659
3660         switch (args->id) {
3661         case SWM_ARG_ID_FOCUSPREV:
3662                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3663                 if (head == NULL)
3664                         head = TAILQ_LAST(wl, ws_win_list);
3665                 winfocus = head;
3666                 if (WINID(winfocus) == cur_focus->transient) {
3667                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3668                         if (head == NULL)
3669                                 head = TAILQ_LAST(wl, ws_win_list);
3670                         winfocus = head;
3671                 }
3672
3673                 /* skip iconics */
3674                 if (winfocus && winfocus->iconic) {
3675                         while (winfocus != cur_focus) {
3676                                 if (winfocus == NULL)
3677                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3678                                 if (!winfocus->iconic)
3679                                         break;
3680                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3681                                     entry);
3682                         }
3683                 }
3684                 break;
3685
3686         case SWM_ARG_ID_FOCUSNEXT:
3687                 head = TAILQ_NEXT(cur_focus, entry);
3688                 if (head == NULL)
3689                         head = TAILQ_FIRST(wl);
3690                 winfocus = head;
3691
3692                 /* skip iconics */
3693                 if (winfocus && winfocus->iconic) {
3694                         while (winfocus != cur_focus) {
3695                                 if (winfocus == NULL)
3696                                         winfocus = TAILQ_FIRST(wl);
3697                                 if (!winfocus->iconic)
3698                                         break;
3699                                 winfocus = TAILQ_NEXT(winfocus, entry);
3700                         }
3701                 }
3702                 break;
3703
3704         case SWM_ARG_ID_FOCUSMAIN:
3705                 winfocus = TAILQ_FIRST(wl);
3706                 if (winfocus == cur_focus)
3707                         winfocus = cur_focus->ws->focus_prev;
3708                 break;
3709
3710         default:
3711                 return;
3712         }
3713
3714         focus_win(get_focus_magic(winfocus));
3715
3716         focus_flush();
3717 }
3718
3719 void
3720 cycle_layout(struct swm_region *r, union arg *args)
3721 {
3722         struct workspace        *ws = r->ws;
3723
3724         /* suppress unused warning since var is needed */
3725         (void)args;
3726
3727         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3728
3729         ws->cur_layout++;
3730         if (ws->cur_layout->l_stack == NULL)
3731                 ws->cur_layout = &layouts[0];
3732
3733         stack();
3734         bar_update();
3735
3736         focus_win(get_region_focus(r));
3737
3738         focus_flush();
3739 }
3740
3741 void
3742 stack_config(struct swm_region *r, union arg *args)
3743 {
3744         struct workspace        *ws = r->ws;
3745
3746         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3747             args->id, ws->idx);
3748
3749         if (ws->cur_layout->l_config != NULL)
3750                 ws->cur_layout->l_config(ws, args->id);
3751
3752         if (args->id != SWM_ARG_ID_STACKINIT)
3753                 stack();
3754         bar_update();
3755
3756         focus_flush();
3757 }
3758
3759 void
3760 stack(void) {
3761         struct swm_geometry     g;
3762         struct swm_region       *r;
3763         int                     i, num_screens;
3764 #ifdef SWM_DEBUG
3765         int j;
3766 #endif
3767
3768         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3769
3770         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3771         for (i = 0; i < num_screens; i++) {
3772 #ifdef SWM_DEBUG
3773                 j = 0;
3774 #endif
3775                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3776                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3777                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3778
3779                         /* start with screen geometry, adjust for bar */
3780                         g = r->g;
3781                         g.w -= 2 * border_width;
3782                         g.h -= 2 * border_width;
3783                         if (bar_enabled) {
3784                                 if (!bar_at_bottom)
3785                                         g.y += bar_height;
3786                                 g.h -= bar_height;
3787                         }
3788                         r->ws->cur_layout->l_stack(r->ws, &g);
3789                         r->ws->cur_layout->l_string(r->ws);
3790                         /* save r so we can track region changes */
3791                         r->ws->old_r = r;
3792                 }
3793         }
3794         if (font_adjusted)
3795                 font_adjusted--;
3796
3797         DNPRINTF(SWM_D_STACK, "stack: end\n");
3798 }
3799
3800 void
3801 store_float_geom(struct ws_win *win, struct swm_region *r)
3802 {
3803         if (win == NULL || r == NULL)
3804                 return;
3805
3806         /* retain window geom and region geom */
3807         win->g_float = win->g;
3808         win->g_float.x -= X(r);
3809         win->g_float.y -= Y(r);
3810         win->g_floatvalid = 1;
3811         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3812             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3813             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3814             win->g_float.w, win->g_float.h);
3815 }
3816
3817 void
3818 load_float_geom(struct ws_win *win, struct swm_region *r)
3819 {
3820         if (win == NULL || r == NULL)
3821                 return;
3822
3823         if (win->g_floatvalid) {
3824                 win->g = win->g_float;
3825                 X(win) += X(r);
3826                 Y(win) += Y(r);
3827                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g: (%d,%d)"
3828                     "%d x %d\n", win->id, X(win), Y(win), WIDTH(win),
3829                     HEIGHT(win));
3830         } else {
3831                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g_float "
3832                     "is not set.\n", win->id);
3833         }
3834 }
3835
3836 void
3837 stack_floater(struct ws_win *win, struct swm_region *r)
3838 {
3839         if (win == NULL)
3840                 return;
3841
3842         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3843
3844         /*
3845          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3846          * geom on ws switches or return from max mode
3847          */
3848         if (win->floatmaxed || (r != r->ws->old_r &&
3849             !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
3850                 /* update geometry for the new region */
3851                 load_float_geom(win, r);
3852         }
3853
3854         win->floatmaxed = 0;
3855
3856         /*
3857          * if set to fullscreen mode, configure window to maximum size.
3858          */
3859         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3860                 if (!win->g_floatvalid)
3861                         store_float_geom(win, win->ws->r);
3862
3863                 win->g = r->g;
3864         }
3865
3866         /*
3867          * remove border on fullscreen floater when in fullscreen mode or when
3868          * the quirk is present.
3869          */
3870         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3871             ((win->quirks & SWM_Q_FULLSCREEN) &&
3872              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3873                 if (win->bordered) {
3874                         win->bordered = 0;
3875                         X(win) += border_width;
3876                         Y(win) += border_width;
3877                 }
3878         } else if (!win->bordered) {
3879                 win->bordered = 1;
3880                 X(win) -= border_width;
3881                 Y(win) -= border_width;
3882         }
3883
3884         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3885                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3886                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3887         }
3888
3889         if (!win->manual && !(win->ewmh_flags & EWMH_F_FULLSCREEN) &&
3890             !(win->quirks & SWM_Q_ANYWHERE)) {
3891                 /*
3892                  * floaters and transients are auto-centred unless moved,
3893                  * resized or ANYWHERE quirk is set.
3894                  */
3895                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3896                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3897
3898                 store_float_geom(win, r);
3899         }
3900
3901         /* keep window within region bounds */
3902         constrain_window(win, r, 0);
3903
3904         update_window(win);
3905 }
3906
3907 /*
3908  * Send keystrokes to terminal to decrease/increase the font size as the
3909  * window size changes.
3910  */
3911 void
3912 adjust_font(struct ws_win *win)
3913 {
3914         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3915             win->floating || win->transient)
3916                 return;
3917
3918         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3919             WIDTH(win) / win->sh.width_inc < term_width &&
3920             win->font_steps < SWM_MAX_FONT_STEPS) {
3921                 win->font_size_boundary[win->font_steps] =
3922                     (win->sh.width_inc * term_width) + win->sh.base_width;
3923                 win->font_steps++;
3924                 font_adjusted++;
3925                 win->last_inc = win->sh.width_inc;
3926                 fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
3927         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3928             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3929                 win->font_steps--;
3930                 font_adjusted++;
3931                 win->last_inc = win->sh.width_inc;
3932                 fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
3933         }
3934 }
3935
3936 #define SWAPXY(g)       do {                            \
3937         int tmp;                                        \
3938         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3939         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3940 } while (0)
3941 void
3942 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3943 {
3944         struct swm_geometry     win_g, r_g = *g;
3945         struct ws_win           *win, *fs_win = NULL;
3946         int                     i, j, s, stacks;
3947         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3948         int                     hrh, extra = 0, h_slice, last_h = 0;
3949         int                     split, colno, winno, mwin, msize, mscale;
3950         int                     remain, missing, v_slice, reconfigure = 0;
3951         int                     bordered = 1;
3952
3953         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3954             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3955
3956         winno = count_win(ws, 0);
3957         if (winno == 0 && count_win(ws, 1) == 0)
3958                 return;
3959
3960         TAILQ_FOREACH(win, &ws->winlist, entry)
3961                 if (!win->transient && !win->floating && !win->iconic)
3962                         break;
3963
3964         if (win == NULL)
3965                 goto notiles;
3966
3967         if (rot) {
3968                 w_inc = win->sh.width_inc;
3969                 w_base = win->sh.base_width;
3970                 mwin = ws->l_state.horizontal_mwin;
3971                 mscale = ws->l_state.horizontal_msize;
3972                 stacks = ws->l_state.horizontal_stacks;
3973                 SWAPXY(&r_g);
3974         } else {
3975                 w_inc = win->sh.height_inc;
3976                 w_base = win->sh.base_height;
3977                 mwin = ws->l_state.vertical_mwin;
3978                 mscale = ws->l_state.vertical_msize;
3979                 stacks = ws->l_state.vertical_stacks;
3980         }
3981         win_g = r_g;
3982
3983         if (stacks > winno - mwin)
3984                 stacks = winno - mwin;
3985         if (stacks < 1)
3986                 stacks = 1;
3987
3988         h_slice = r_g.h / SWM_H_SLICE;
3989         if (mwin && winno > mwin) {
3990                 v_slice = r_g.w / SWM_V_SLICE;
3991
3992                 split = mwin;
3993                 colno = split;
3994                 win_g.w = v_slice * mscale;
3995
3996                 if (w_inc > 1 && w_inc < v_slice) {
3997                         /* adjust for window's requested size increment */
3998                         remain = (win_g.w - w_base) % w_inc;
3999                         win_g.w -= remain;
4000                 }
4001
4002                 msize = win_g.w;
4003                 if (flip)
4004                         win_g.x += r_g.w - msize;
4005         } else {
4006                 msize = -2;
4007                 colno = split = winno / stacks;
4008                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
4009                     2 * border_width) / stacks);
4010         }
4011         hrh = r_g.h / colno;
4012         extra = r_g.h - (colno * hrh);
4013         win_g.h = hrh - 2 * border_width;
4014
4015         /*  stack all the tiled windows */
4016         i = j = 0, s = stacks;
4017         TAILQ_FOREACH(win, &ws->winlist, entry) {
4018                 if (win->transient || win->floating)
4019                         continue;
4020                 if (win->iconic)
4021                         continue;
4022
4023                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4024                         fs_win = win;
4025                         continue;
4026                 }
4027
4028                 if (split && i == split) {
4029                         colno = (winno - mwin) / stacks;
4030                         if (s <= (winno - mwin) % stacks)
4031                                 colno++;
4032                         split = split + colno;
4033                         hrh = (r_g.h / colno);
4034                         extra = r_g.h - (colno * hrh);
4035                         if (flip)
4036                                 win_g.x = r_g.x;
4037                         else
4038                                 win_g.x += win_g.w + 2 * border_width;
4039                         win_g.w = (r_g.w - msize -
4040                             (stacks * 2 * border_width)) / stacks;
4041                         if (s == 1)
4042                                 win_g.w += (r_g.w - msize -
4043                                     (stacks * 2 * border_width)) % stacks;
4044                         s--;
4045                         j = 0;
4046                 }
4047                 win_g.h = hrh - 2 * border_width;
4048                 if (rot) {
4049                         h_inc = win->sh.width_inc;
4050                         h_base = win->sh.base_width;
4051                 } else {
4052                         h_inc = win->sh.height_inc;
4053                         h_base = win->sh.base_height;
4054                 }
4055                 if (j == colno - 1) {
4056                         win_g.h = hrh + extra;
4057                 } else if (h_inc > 1 && h_inc < h_slice) {
4058                         /* adjust for window's requested size increment */
4059                         remain = (win_g.h - h_base) % h_inc;
4060                         missing = h_inc - remain;
4061
4062                         if (missing <= extra || j == 0) {
4063                                 extra -= missing;
4064                                 win_g.h += missing;
4065                         } else {
4066                                 win_g.h -= remain;
4067                                 extra += remain;
4068                         }
4069                 }
4070
4071                 if (j == 0)
4072                         win_g.y = r_g.y;
4073                 else
4074                         win_g.y += last_h + 2 * border_width;
4075
4076                 if (disable_border && !bar_enabled && winno == 1){
4077                         bordered = 0;
4078                         win_g.w += 2 * border_width;
4079                         win_g.h += 2 * border_width;
4080                 } else {
4081                         bordered = 1;
4082                 }
4083                 if (rot) {
4084                         if (X(win) != win_g.y || Y(win) != win_g.x ||
4085                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
4086                                 reconfigure = 1;
4087                                 X(win) = win_g.y;
4088                                 Y(win) = win_g.x;
4089                                 WIDTH(win) = win_g.h;
4090                                 HEIGHT(win) = win_g.w;
4091                         }
4092                 } else {
4093                         if (X(win) != win_g.x || Y(win) != win_g.y ||
4094                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
4095                                 reconfigure = 1;
4096                                 X(win) = win_g.x;
4097                                 Y(win) = win_g.y;
4098                                 WIDTH(win) = win_g.w;
4099                                 HEIGHT(win) = win_g.h;
4100                         }
4101                 }
4102
4103                 if (bordered != win->bordered) {
4104                         reconfigure = 1;
4105                         win->bordered = bordered;
4106                 }
4107
4108                 if (reconfigure) {
4109                         adjust_font(win);
4110                         update_window(win);
4111                 }
4112
4113                 map_window(win);
4114
4115                 last_h = win_g.h;
4116                 i++;
4117                 j++;
4118         }
4119
4120 notiles:
4121         /* now, stack all the floaters and transients */
4122         TAILQ_FOREACH(win, &ws->winlist, entry) {
4123                 if (!win->transient && !win->floating)
4124                         continue;
4125                 if (win->iconic)
4126                         continue;
4127                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4128                         fs_win = win;
4129                         continue;
4130                 }
4131
4132                 stack_floater(win, ws->r);
4133                 map_window(win);
4134         }
4135
4136         /* Make sure fs_win is stacked last so it's on top. */
4137         if (fs_win) {
4138                 stack_floater(fs_win, ws->r);
4139                 map_window(fs_win);
4140         }
4141 }
4142
4143 void
4144 vertical_config(struct workspace *ws, int id)
4145 {
4146         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
4147             id, ws->idx);
4148
4149         switch (id) {
4150         case SWM_ARG_ID_STACKRESET:
4151         case SWM_ARG_ID_STACKINIT:
4152                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
4153                 ws->l_state.vertical_mwin = 1;
4154                 ws->l_state.vertical_stacks = 1;
4155                 break;
4156         case SWM_ARG_ID_MASTERSHRINK:
4157                 if (ws->l_state.vertical_msize > 1)
4158                         ws->l_state.vertical_msize--;
4159                 break;
4160         case SWM_ARG_ID_MASTERGROW:
4161                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
4162                         ws->l_state.vertical_msize++;
4163                 break;
4164         case SWM_ARG_ID_MASTERADD:
4165                 ws->l_state.vertical_mwin++;
4166                 break;
4167         case SWM_ARG_ID_MASTERDEL:
4168                 if (ws->l_state.vertical_mwin > 0)
4169                         ws->l_state.vertical_mwin--;
4170                 break;
4171         case SWM_ARG_ID_STACKINC:
4172                 ws->l_state.vertical_stacks++;
4173                 break;
4174         case SWM_ARG_ID_STACKDEC:
4175                 if (ws->l_state.vertical_stacks > 1)
4176                         ws->l_state.vertical_stacks--;
4177                 break;
4178         case SWM_ARG_ID_FLIPLAYOUT:
4179                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
4180                 break;
4181         default:
4182                 return;
4183         }
4184 }
4185
4186 void
4187 vertical_stack(struct workspace *ws, struct swm_geometry *g)
4188 {
4189         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
4190
4191         stack_master(ws, g, 0, ws->l_state.vertical_flip);
4192 }
4193
4194 void
4195 horizontal_config(struct workspace *ws, int id)
4196 {
4197         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
4198
4199         switch (id) {
4200         case SWM_ARG_ID_STACKRESET:
4201         case SWM_ARG_ID_STACKINIT:
4202                 ws->l_state.horizontal_mwin = 1;
4203                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
4204                 ws->l_state.horizontal_stacks = 1;
4205                 break;
4206         case SWM_ARG_ID_MASTERSHRINK:
4207                 if (ws->l_state.horizontal_msize > 1)
4208                         ws->l_state.horizontal_msize--;
4209                 break;
4210         case SWM_ARG_ID_MASTERGROW:
4211                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
4212                         ws->l_state.horizontal_msize++;
4213                 break;
4214         case SWM_ARG_ID_MASTERADD:
4215                 ws->l_state.horizontal_mwin++;
4216                 break;
4217         case SWM_ARG_ID_MASTERDEL:
4218                 if (ws->l_state.horizontal_mwin > 0)
4219                         ws->l_state.horizontal_mwin--;
4220                 break;
4221         case SWM_ARG_ID_STACKINC:
4222                 ws->l_state.horizontal_stacks++;
4223                 break;
4224         case SWM_ARG_ID_STACKDEC:
4225                 if (ws->l_state.horizontal_stacks > 1)
4226                         ws->l_state.horizontal_stacks--;
4227                 break;
4228         case SWM_ARG_ID_FLIPLAYOUT:
4229                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
4230                 break;
4231         default:
4232                 return;
4233         }
4234 }
4235
4236 void
4237 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
4238 {
4239         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
4240
4241         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
4242 }
4243
4244 /* fullscreen view */
4245 void
4246 max_stack(struct workspace *ws, struct swm_geometry *g)
4247 {
4248         struct swm_geometry     gg = *g;
4249         struct ws_win           *w, *win = NULL, *parent = NULL;
4250         int                     winno, num_screens;
4251
4252         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
4253
4254         if (ws == NULL)
4255                 return;
4256
4257         winno = count_win(ws, 0);
4258         if (winno == 0 && count_win(ws, 1) == 0)
4259                 return;
4260
4261         /* Figure out which top level window should be visible. */
4262         if (ws->focus_pending)
4263                 win = ws->focus_pending;
4264         else if (ws->focus)
4265                 win = ws->focus;
4266         else
4267                 win = TAILQ_FIRST(&ws->winlist);
4268
4269         if (win->transient)
4270                 parent = find_window(win->transient);
4271
4272         DNPRINTF(SWM_D_STACK, "max_stack: win: 0x%x\n", win->id);
4273
4274         /* maximize all top level windows */
4275         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
4276         TAILQ_FOREACH(w, &ws->winlist, entry) {
4277                 if (w->transient || w->iconic)
4278                         continue;
4279
4280                 if (w->floating && !w->floatmaxed) {
4281                         /*
4282                          * retain geometry for retrieval on exit from
4283                          * max_stack mode
4284                          */
4285                         store_float_geom(w, ws->r);
4286                         w->floatmaxed = 1;
4287                 }
4288
4289                 /* only reconfigure if necessary */
4290                 if (X(w) != gg.x || Y(w) != gg.y || WIDTH(w) != gg.w ||
4291                     HEIGHT(w) != gg.h) {
4292                         w->g = gg;
4293                         if (bar_enabled){
4294                                 w->bordered = 1;
4295                         } else {
4296                                 w->bordered = 0;
4297                                 WIDTH(w) += 2 * border_width;
4298                                 HEIGHT(w) += 2 * border_width;
4299                         }
4300
4301                         update_window(w);
4302                 }
4303
4304                 /* Unmap unwanted windows if not multi-screen. */
4305                 if (!(num_screens > 1 || outputs > 1) && (w != win ||
4306                     w != parent || w->transient != win->id))
4307                         unmap_window(w);
4308         }
4309
4310         /* If a parent exists, map it first. */
4311         if (parent) {
4312                 map_window(parent);
4313
4314                 /* Map siblings next. */
4315                 TAILQ_FOREACH(w, &ws->winlist, entry)
4316                         if (w != win && !w->iconic &&
4317                             w->transient == parent->id) {
4318                                 stack_floater(w, ws->r);
4319                                 map_window(w);
4320                         }
4321         }
4322
4323         /* Map focused window. */
4324         map_window(win);
4325
4326         /* Finally, map children of focus window. */
4327         TAILQ_FOREACH(w, &ws->winlist, entry)
4328                 if (w->transient == win->id && !w->iconic) {
4329                         stack_floater(w, ws->r);
4330                         map_window(w);
4331                 }
4332 }
4333
4334 void
4335 send_to_ws(struct swm_region *r, union arg *args)
4336 {
4337         int                     wsid = args->id;
4338         struct ws_win           *win = NULL, *parent;
4339         struct workspace        *ws, *nws, *pws;
4340         char                    ws_idx_str[SWM_PROPLEN];
4341
4342         if (wsid >= workspace_limit)
4343                 return;
4344
4345         if (r && r->ws && r->ws->focus)
4346                 win = r->ws->focus;
4347         else
4348                 return;
4349
4350         if (win->ws->idx == wsid)
4351                 return;
4352
4353         DNPRINTF(SWM_D_MOVE, "send_to_ws: win 0x%x, ws %d -> %d\n", win->id,
4354             win->ws->idx, wsid);
4355
4356         ws = win->ws;
4357         nws = &win->s->ws[wsid];
4358
4359         /* Update the window's workspace property: _SWM_WS */
4360         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
4361                 if (focus_mode != SWM_FOCUS_FOLLOW)
4362                         ws->focus_pending = get_focus_prev(win);
4363
4364                 /* Move the parent if this is a transient window. */
4365                 if (win->transient) {
4366                         parent = find_window(win->transient);
4367                         if (parent) {
4368                                 pws = parent->ws;
4369                                 /* Set new focus in parent's ws if needed. */
4370                                 if (pws->focus == parent) {
4371                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4372                                                 pws->focus_pending =
4373                                                     get_focus_prev(parent);
4374
4375                                         unfocus_win(parent);
4376
4377                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4378                                                 pws->focus = pws->focus_pending;
4379
4380                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4381                                                 pws->focus_pending = NULL;
4382                                 }
4383
4384                                 /* Don't unmap parent if new ws is visible */
4385                                 if (nws->r == NULL)
4386                                         unmap_window(parent);
4387
4388                                 /* Transfer */
4389                                 TAILQ_REMOVE(&ws->winlist, parent, entry);
4390                                 TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
4391                                 parent->ws = nws;
4392
4393                                 DNPRINTF(SWM_D_PROP, "send_to_ws: set "
4394                                     "property: _SWM_WS: %s\n", ws_idx_str);
4395                                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE,
4396                                     parent->id, a_swm_ws, XCB_ATOM_STRING, 8,
4397                                     strlen(ws_idx_str), ws_idx_str);
4398                         }
4399                 }
4400
4401                 unfocus_win(win);
4402
4403                 /* Don't unmap if new ws is visible */
4404                 if (nws->r == NULL)
4405                         unmap_window(win);
4406
4407                 /* Transfer */
4408                 TAILQ_REMOVE(&ws->winlist, win, entry);
4409                 TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
4410                 win->ws = nws;
4411
4412                 /* Set focus on new ws. */
4413                 unfocus_win(nws->focus);
4414                 nws->focus = win;
4415
4416                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
4417                     ws_idx_str);
4418                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
4419                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
4420                     ws_idx_str);
4421
4422                 /* Restack and set new focus. */
4423                 stack();
4424
4425                 if (focus_mode != SWM_FOCUS_FOLLOW) {
4426                         focus_win(ws->focus_pending);
4427                         ws->focus_pending = NULL;
4428                 }
4429
4430                 focus_flush();
4431         }
4432
4433         DNPRINTF(SWM_D_MOVE, "send_to_ws: done.\n");
4434 }
4435
4436 void
4437 pressbutton(struct swm_region *r, union arg *args)
4438 {
4439         /* suppress unused warning since var is needed */
4440         (void)r;
4441
4442         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
4443             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4444         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
4445             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4446 }
4447
4448 void
4449 raise_toggle(struct swm_region *r, union arg *args)
4450 {
4451         /* suppress unused warning since var is needed */
4452         (void)args;
4453
4454         if (r == NULL || r->ws == NULL)
4455                 return;
4456
4457         r->ws->always_raise = !r->ws->always_raise;
4458
4459         /* bring floaters back to top */
4460         if (!r->ws->always_raise)
4461                 stack();
4462
4463         focus_flush();
4464 }
4465
4466 void
4467 iconify(struct swm_region *r, union arg *args)
4468 {
4469         /* suppress unused warning since var is needed */
4470         (void)args;
4471
4472         if (r->ws->focus == NULL)
4473                 return;
4474
4475         set_swm_iconic(r->ws->focus, 1);
4476
4477         xcb_flush(conn);
4478 }
4479
4480 char *
4481 get_win_name(xcb_window_t win)
4482 {
4483         char                            *name = NULL;
4484         xcb_get_property_cookie_t       c;
4485         xcb_get_property_reply_t        *r;
4486
4487         /* First try _NET_WM_NAME for UTF-8. */
4488         c = xcb_get_property(conn, 0, win, a_netwmname,
4489             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4490         r = xcb_get_property_reply(conn, c, NULL);
4491
4492         if (r) {
4493                 if (r->type == XCB_NONE) {
4494                         free(r);
4495                         /* Use WM_NAME instead; no UTF-8. */
4496                         c = xcb_get_property(conn, 0, win, XCB_ATOM_WM_NAME,
4497                                 XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4498                         r = xcb_get_property_reply(conn, c, NULL);
4499
4500                         if (!r)
4501                                 return (NULL);
4502                         if (r->type == XCB_NONE) {
4503                                 free(r);
4504                                 return (NULL);
4505                         }
4506                 }
4507                 if (r->length > 0)
4508                         name = strndup(xcb_get_property_value(r),
4509                                    xcb_get_property_value_length(r));
4510
4511                 free(r);
4512         }
4513
4514         return (name);
4515 }
4516
4517 void
4518 uniconify(struct swm_region *r, union arg *args)
4519 {
4520         struct ws_win           *win;
4521         FILE                    *lfile;
4522         char                    *name;
4523         int                     count = 0;
4524
4525         DNPRINTF(SWM_D_MISC, "uniconify\n");
4526
4527         if (r == NULL || r->ws == NULL)
4528                 return;
4529
4530         /* make sure we have anything to uniconify */
4531         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4532                 if (win->ws == NULL)
4533                         continue; /* should never happen */
4534                 if (!win->iconic)
4535                         continue;
4536                 count++;
4537         }
4538         if (count == 0)
4539                 return;
4540
4541         search_r = r;
4542         search_resp_action = SWM_SEARCH_UNICONIFY;
4543
4544         spawn_select(r, args, "search", &searchpid);
4545
4546         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4547                 return;
4548
4549         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4550                 if (win->ws == NULL)
4551                         continue; /* should never happen */
4552                 if (!win->iconic)
4553                         continue;
4554
4555                 name = get_win_name(win->id);
4556                 if (name == NULL)
4557                         continue;
4558                 fprintf(lfile, "%s.%u\n", name, win->id);
4559                 free(name);
4560         }
4561
4562         fclose(lfile);
4563 }
4564
4565 void
4566 name_workspace(struct swm_region *r, union arg *args)
4567 {
4568         FILE                    *lfile;
4569
4570         DNPRINTF(SWM_D_MISC, "name_workspace\n");
4571
4572         if (r == NULL)
4573                 return;
4574
4575         search_r = r;
4576         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
4577
4578         spawn_select(r, args, "name_workspace", &searchpid);
4579
4580         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4581                 return;
4582
4583         fprintf(lfile, "%s", "");
4584         fclose(lfile);
4585 }
4586
4587 void
4588 search_workspace(struct swm_region *r, union arg *args)
4589 {
4590         int                     i;
4591         struct workspace        *ws;
4592         FILE                    *lfile;
4593
4594         DNPRINTF(SWM_D_MISC, "search_workspace\n");
4595
4596         if (r == NULL)
4597                 return;
4598
4599         search_r = r;
4600         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
4601
4602         spawn_select(r, args, "search", &searchpid);
4603
4604         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4605                 return;
4606
4607         for (i = 0; i < workspace_limit; i++) {
4608                 ws = &r->s->ws[i];
4609                 if (ws == NULL)
4610                         continue;
4611                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
4612                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
4613         }
4614
4615         fclose(lfile);
4616 }
4617
4618 void
4619 search_win_cleanup(void)
4620 {
4621         struct search_window    *sw = NULL;
4622
4623         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
4624                 xcb_destroy_window(conn, sw->indicator);
4625                 TAILQ_REMOVE(&search_wl, sw, entry);
4626                 free(sw);
4627         }
4628 }
4629
4630 void
4631 search_win(struct swm_region *r, union arg *args)
4632 {
4633         struct ws_win           *win = NULL;
4634         struct search_window    *sw = NULL;
4635         xcb_window_t            w;
4636         uint32_t                wa[2];
4637         int                     i, width, height;
4638         char                    s[8];
4639         FILE                    *lfile;
4640         size_t                  len;
4641         XftDraw                 *draw;
4642         XGlyphInfo              info;
4643         GC                      l_draw;
4644         XGCValues               l_gcv;
4645         XRectangle              l_ibox, l_lbox;
4646
4647         DNPRINTF(SWM_D_MISC, "search_win\n");
4648
4649         search_r = r;
4650         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
4651
4652         spawn_select(r, args, "search", &searchpid);
4653
4654         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4655                 return;
4656
4657         TAILQ_INIT(&search_wl);
4658
4659         i = 1;
4660         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4661                 if (win->iconic)
4662                         continue;
4663
4664                 sw = calloc(1, sizeof(struct search_window));
4665                 if (sw == NULL) {
4666                         warn("search_win: calloc");
4667                         fclose(lfile);
4668                         search_win_cleanup();
4669                         return;
4670                 }
4671                 sw->idx = i;
4672                 sw->win = win;
4673
4674                 snprintf(s, sizeof s, "%d", i);
4675                 len = strlen(s);
4676
4677                 w = xcb_generate_id(conn);
4678                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
4679                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].pixel;
4680
4681                 if (bar_font_legacy) {
4682                         XmbTextExtents(bar_fs, s, len, &l_ibox, &l_lbox);
4683                         width = l_lbox.width + 4;
4684                         height = bar_fs_extents->max_logical_extent.height + 4;
4685                 } else {
4686                         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len,
4687                             &info);
4688                         width = info.width + 4;
4689                         height = bar_font->height + 4;
4690                 }
4691
4692                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
4693                     width, height, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
4694                     XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL |
4695                     XCB_CW_BORDER_PIXEL, wa);
4696
4697                 xcb_map_window(conn, w);
4698
4699                 sw->indicator = w;
4700                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
4701
4702                 if (bar_font_legacy) {
4703                         l_gcv.graphics_exposures = 0;
4704                         l_draw = XCreateGC(display, w, 0, &l_gcv);
4705
4706                         XSetForeground(display, l_draw,
4707                                 r->s->c[SWM_S_COLOR_BAR].pixel);
4708
4709                         DRAWSTRING(display, w, bar_fs, l_draw, 2,
4710                             (bar_fs_extents->max_logical_extent.height -
4711                             l_lbox.height) / 2 - l_lbox.y, s, len);
4712
4713                         XFreeGC(display, l_draw);
4714                 } else {
4715
4716                         draw = XftDrawCreate(display, w,
4717                             DefaultVisual(display, r->s->idx),
4718                             DefaultColormap(display, r->s->idx));
4719
4720                         XftDrawStringUtf8(draw, &bar_font_color, bar_font, 2,
4721                             (HEIGHT(r->bar) + bar_font->height) / 2 -
4722                             bar_font->descent, (FcChar8 *)s, len);
4723
4724                         XftDrawDestroy(draw);
4725                 }
4726
4727                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
4728
4729                 fprintf(lfile, "%d\n", i);
4730                 i++;
4731         }
4732
4733         fclose(lfile);
4734
4735         xcb_flush(conn);
4736 }
4737
4738 void
4739 search_resp_uniconify(const char *resp, unsigned long len)
4740 {
4741         char                    *name;
4742         struct ws_win           *win;
4743         char                    *s;
4744
4745         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
4746
4747         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
4748                 if (!win->iconic)
4749                         continue;
4750                 name = get_win_name(win->id);
4751                 if (name == NULL)
4752                         continue;
4753                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
4754                         free(name);
4755                         continue;
4756                 }
4757                 free(name);
4758                 if (strncmp(s, resp, len) == 0) {
4759                         /* XXX this should be a callback to generalize */
4760                         set_swm_iconic(win, 0);
4761                         free(s);
4762                         break;
4763                 }
4764                 free(s);
4765         }
4766 }
4767
4768 void
4769 search_resp_name_workspace(const char *resp, unsigned long len)
4770 {
4771         struct workspace        *ws;
4772
4773         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
4774
4775         if (search_r->ws == NULL)
4776                 return;
4777         ws = search_r->ws;
4778
4779         if (ws->name) {
4780                 free(search_r->ws->name);
4781                 search_r->ws->name = NULL;
4782         }
4783
4784         if (len > 1) {
4785                 ws->name = strdup(resp);
4786                 if (ws->name == NULL) {
4787                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
4788                             "strdup: %s", strerror(errno));
4789                         return;
4790                 }
4791         }
4792 }
4793
4794 void
4795 search_resp_search_workspace(const char *resp)
4796 {
4797         char                    *p, *q;
4798         int                     ws_idx;
4799         const char              *errstr;
4800         union arg               a;
4801
4802         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
4803
4804         q = strdup(resp);
4805         if (!q) {
4806                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
4807                     strerror(errno));
4808                 return;
4809         }
4810         p = strchr(q, ':');
4811         if (p != NULL)
4812                 *p = '\0';
4813         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
4814         if (errstr) {
4815                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4816                     errstr, q);
4817                 free(q);
4818                 return;
4819         }
4820         free(q);
4821         a.id = ws_idx - 1;
4822         switchws(search_r, &a);
4823 }
4824
4825 void
4826 search_resp_search_window(const char *resp)
4827 {
4828         char                    *s;
4829         int                     idx;
4830         const char              *errstr;
4831         struct search_window    *sw;
4832
4833         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4834
4835         s = strdup(resp);
4836         if (!s) {
4837                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4838                     strerror(errno));
4839                 return;
4840         }
4841
4842         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
4843         if (errstr) {
4844                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4845                     errstr, s);
4846                 free(s);
4847                 return;
4848         }
4849         free(s);
4850
4851         TAILQ_FOREACH(sw, &search_wl, entry)
4852                 if (idx == sw->idx) {
4853                         focus_win(sw->win);
4854                         break;
4855                 }
4856 }
4857
4858 #define MAX_RESP_LEN    1024
4859
4860 void
4861 search_do_resp(void)
4862 {
4863         ssize_t                 rbytes;
4864         char                    *resp;
4865         unsigned long           len;
4866
4867         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4868
4869         search_resp = 0;
4870         searchpid = 0;
4871
4872         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4873                 warn("search: calloc");
4874                 goto done;
4875         }
4876
4877         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4878         if (rbytes <= 0) {
4879                 warn("search: read error");
4880                 goto done;
4881         }
4882         resp[rbytes] = '\0';
4883
4884         /* XXX:
4885          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4886          * newline, so work around that by sanitizing the resp now.
4887          */
4888         resp[strcspn(resp, "\n")] = '\0';
4889         len = strlen(resp);
4890
4891         switch (search_resp_action) {
4892         case SWM_SEARCH_UNICONIFY:
4893                 search_resp_uniconify(resp, len);
4894                 break;
4895         case SWM_SEARCH_NAME_WORKSPACE:
4896                 search_resp_name_workspace(resp, len);
4897                 break;
4898         case SWM_SEARCH_SEARCH_WORKSPACE:
4899                 search_resp_search_workspace(resp);
4900                 break;
4901         case SWM_SEARCH_SEARCH_WINDOW:
4902                 search_resp_search_window(resp);
4903                 break;
4904         }
4905
4906 done:
4907         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4908                 search_win_cleanup();
4909
4910         search_resp_action = SWM_SEARCH_NONE;
4911         close(select_resp_pipe[0]);
4912         free(resp);
4913
4914         xcb_flush(conn);
4915 }
4916
4917 void
4918 wkill(struct swm_region *r, union arg *args)
4919 {
4920         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4921
4922         if (r->ws->focus == NULL)
4923                 return;
4924
4925         if (args->id == SWM_ARG_ID_KILLWINDOW)
4926                 xcb_kill_client(conn, r->ws->focus->id);
4927         else
4928                 if (r->ws->focus->can_delete)
4929                         client_msg(r->ws->focus, a_delete, 0);
4930
4931         focus_flush();
4932 }
4933
4934 int
4935 floating_toggle_win(struct ws_win *win)
4936 {
4937         struct swm_region       *r;
4938
4939         if (win == NULL)
4940                 return (0);
4941
4942         if (!win->ws->r)
4943                 return (0);
4944
4945         r = win->ws->r;
4946
4947         /* reject floating toggles in max stack mode */
4948         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4949                 return (0);
4950
4951         if (win->floating) {
4952                 if (!win->floatmaxed) {
4953                         /* retain position for refloat */
4954                         store_float_geom(win, r);
4955                 }
4956                 win->floating = 0;
4957         } else {
4958                 load_float_geom(win, r);
4959                 win->floating = 1;
4960         }
4961
4962         ewmh_update_actions(win);
4963
4964         return (1);
4965 }
4966
4967 void
4968 floating_toggle(struct swm_region *r, union arg *args)
4969 {
4970         struct ws_win           *win = r->ws->focus;
4971
4972         /* suppress unused warning since var is needed */
4973         (void)args;
4974
4975         if (win == NULL)
4976                 return;
4977
4978         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4979                 return;
4980
4981         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4982             _NET_WM_STATE_TOGGLE);
4983
4984         stack();
4985
4986         if (win == win->ws->focus)
4987                 focus_win(win);
4988
4989         focus_flush();
4990 }
4991
4992 void
4993 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4994 {
4995         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4996                 if (resizable)
4997                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4998                 else
4999                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
5000         }
5001
5002         if (X(win) + BORDER(win) < X(r)) {
5003                 if (resizable)
5004                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
5005
5006                 X(win) = X(r) - BORDER(win);
5007         }
5008
5009         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
5010                 if (resizable)
5011                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
5012                 else
5013                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
5014         }
5015
5016         if (Y(win) + BORDER(win) < Y(r)) {
5017                 if (resizable)
5018                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
5019
5020                 Y(win) = Y(r) - BORDER(win);
5021         }
5022
5023         if (resizable) {
5024                 if (WIDTH(win) < 1)
5025                         WIDTH(win) = 1;
5026                 if (HEIGHT(win) < 1)
5027                         HEIGHT(win) = 1;
5028         }
5029 }
5030
5031 void
5032 update_window(struct ws_win *win)
5033 {
5034         uint16_t        mask;
5035         uint32_t        wc[5];
5036
5037         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
5038             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
5039             XCB_CONFIG_WINDOW_BORDER_WIDTH;
5040         wc[0] = X(win);
5041         wc[1] = Y(win);
5042         wc[2] = WIDTH(win);
5043         wc[3] = HEIGHT(win);
5044         wc[4] = BORDER(win);
5045
5046         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
5047             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
5048             wc[3], YESNO(win->bordered));
5049
5050         xcb_configure_window(conn, win->id, mask, wc);
5051 }
5052
5053 #define SWM_RESIZE_STEPS        (50)
5054
5055 void
5056 resize(struct ws_win *win, union arg *args)
5057 {
5058         xcb_timestamp_t         timestamp = 0;
5059         struct swm_region       *r = NULL;
5060         int                     resize_stp = 0;
5061         struct swm_geometry     g;
5062         int                     top = 0, left = 0, resizing;
5063         int                     dx, dy;
5064         xcb_cursor_t                    cursor;
5065         xcb_query_pointer_reply_t       *xpr;
5066         xcb_generic_event_t             *evt;
5067         xcb_motion_notify_event_t       *mne;
5068
5069         if (win == NULL)
5070                 return;
5071         r = win->ws->r;
5072
5073         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5074                 return;
5075
5076         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
5077             "transient: 0x%x\n", win->id, YESNO(win->floating),
5078             win->transient);
5079
5080         if (!win->transient && !win->floating)
5081                 return;
5082
5083         /* reject resizes in max mode for floaters (transient ok) */
5084         if (win->floatmaxed)
5085                 return;
5086
5087         win->manual = 1;
5088         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5089             _NET_WM_STATE_ADD);
5090
5091         stack();
5092
5093         focus_flush();
5094
5095         switch (args->id) {
5096         case SWM_ARG_ID_WIDTHSHRINK:
5097                 WIDTH(win) -= SWM_RESIZE_STEPS;
5098                 resize_stp = 1;
5099                 break;
5100         case SWM_ARG_ID_WIDTHGROW:
5101                 WIDTH(win) += SWM_RESIZE_STEPS;
5102                 resize_stp = 1;
5103                 break;
5104         case SWM_ARG_ID_HEIGHTSHRINK:
5105                 HEIGHT(win) -= SWM_RESIZE_STEPS;
5106                 resize_stp = 1;
5107                 break;
5108         case SWM_ARG_ID_HEIGHTGROW:
5109                 HEIGHT(win) += SWM_RESIZE_STEPS;
5110                 resize_stp = 1;
5111                 break;
5112         default:
5113                 break;
5114         }
5115         if (resize_stp) {
5116                 constrain_window(win, r, 1);
5117                 update_window(win);
5118                 store_float_geom(win,r);
5119                 return;
5120         }
5121
5122         /* get cursor offset from window root */
5123         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5124             NULL);
5125         if (!xpr)
5126                 return;
5127
5128         g = win->g;
5129
5130         if (xpr->win_x < WIDTH(win) / 2)
5131                 left = 1;
5132
5133         if (xpr->win_y < HEIGHT(win) / 2)
5134                 top = 1;
5135
5136         if (args->id == SWM_ARG_ID_CENTER)
5137                 cursor = cursors[XC_SIZING].cid;
5138         else if (top)
5139                 cursor = cursors[left ? XC_TOP_LEFT_CORNER :
5140                     XC_TOP_RIGHT_CORNER].cid;
5141         else
5142                 cursor = cursors[left ? XC_BOTTOM_LEFT_CORNER :
5143                     XC_BOTTOM_RIGHT_CORNER].cid;
5144
5145         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5146             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
5147             XCB_CURRENT_TIME),
5148
5149         xcb_flush(conn);
5150         resizing = 1;
5151         while ((evt = xcb_wait_for_event(conn)) && resizing) {
5152                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5153                 case XCB_BUTTON_RELEASE:
5154                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
5155                         resizing = 0;
5156                         break;
5157                 case XCB_MOTION_NOTIFY:
5158                         mne = (xcb_motion_notify_event_t *)evt;
5159                         /* cursor offset/delta from start of the operation */
5160                         dx = mne->root_x - xpr->root_x;
5161                         dy = mne->root_y - xpr->root_y;
5162
5163                         /* vertical */
5164                         if (top)
5165                                 dy = -dy;
5166
5167                         if (args->id == SWM_ARG_ID_CENTER) {
5168                                 if (g.h / 2 + dy < 1)
5169                                         dy = 1 - g.h / 2;
5170
5171                                 Y(win) = g.y - dy;
5172                                 HEIGHT(win) = g.h + 2 * dy;
5173                         } else {
5174                                 if (g.h + dy < 1)
5175                                         dy = 1 - g.h;
5176
5177                                 if (top)
5178                                         Y(win) = g.y - dy;
5179
5180                                 HEIGHT(win) = g.h + dy;
5181                         }
5182
5183                         /* horizontal */
5184                         if (left)
5185                                 dx = -dx;
5186
5187                         if (args->id == SWM_ARG_ID_CENTER) {
5188                                 if (g.w / 2 + dx < 1)
5189                                         dx = 1 - g.w / 2;
5190
5191                                 X(win) = g.x - dx;
5192                                 WIDTH(win) = g.w + 2 * dx;
5193                         } else {
5194                                 if (g.w + dx < 1)
5195                                         dx = 1 - g.w;
5196
5197                                 if (left)
5198                                         X(win) = g.x - dx;
5199
5200                                 WIDTH(win) = g.w + dx;
5201                         }
5202
5203                         constrain_window(win, r, 1);
5204
5205                         /* not free, don't sync more than 120 times / second */
5206                         if ((mne->time - timestamp) > (1000 / 120) ) {
5207                                 timestamp = mne->time;
5208                                 update_window(win);
5209                                 xcb_flush(conn);
5210                         }
5211                         break;
5212                 default:
5213                         event_handle(evt);
5214                         break;
5215                 }
5216                 free(evt);
5217         }
5218         if (timestamp) {
5219                 update_window(win);
5220                 xcb_flush(conn);
5221         }
5222         store_float_geom(win,r);
5223
5224         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5225         free(xpr);
5226         DNPRINTF(SWM_D_EVENT, "resize: done.\n");
5227 }
5228
5229 void
5230 resize_step(struct swm_region *r, union arg *args)
5231 {
5232         struct ws_win           *win = NULL;
5233
5234         if (r && r->ws && r->ws->focus)
5235                 win = r->ws->focus;
5236         else
5237                 return;
5238
5239         resize(win, args);
5240         focus_flush();
5241 }
5242
5243 #define SWM_MOVE_STEPS  (50)
5244
5245 void
5246 move(struct ws_win *win, union arg *args)
5247 {
5248         xcb_timestamp_t         timestamp = 0;
5249         int                     move_stp = 0, moving;
5250         struct swm_region       *r = NULL;
5251         xcb_query_pointer_reply_t       *qpr;
5252         xcb_generic_event_t             *evt;
5253         xcb_motion_notify_event_t       *mne;
5254
5255         if (win == NULL)
5256                 return;
5257         r = win->ws->r;
5258
5259         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5260                 return;
5261
5262         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
5263             "0x%x\n", win->id, YESNO(win->floating), win->transient);
5264
5265         /* in max_stack mode should only move transients */
5266         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
5267                 return;
5268
5269         win->manual = 1;
5270         if (!win->floating && !win->transient) {
5271                 store_float_geom(win, r);
5272                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5273                     _NET_WM_STATE_ADD);
5274         }
5275         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5276             _NET_WM_STATE_ADD);
5277
5278         stack();
5279
5280         focus_flush();
5281
5282         move_stp = 0;
5283         switch (args->id) {
5284         case SWM_ARG_ID_MOVELEFT:
5285                 X(win) -= (SWM_MOVE_STEPS - border_width);
5286                 move_stp = 1;
5287                 break;
5288         case SWM_ARG_ID_MOVERIGHT:
5289                 X(win) += (SWM_MOVE_STEPS - border_width);
5290                 move_stp = 1;
5291                 break;
5292         case SWM_ARG_ID_MOVEUP:
5293                 Y(win) -= (SWM_MOVE_STEPS - border_width);
5294                 move_stp = 1;
5295                 break;
5296         case SWM_ARG_ID_MOVEDOWN:
5297                 Y(win) += (SWM_MOVE_STEPS - border_width);
5298                 move_stp = 1;
5299                 break;
5300         default:
5301                 break;
5302         }
5303         if (move_stp) {
5304                 constrain_window(win, r, 0);
5305                 update_window(win);
5306                 store_float_geom(win, r);
5307                 return;
5308         }
5309
5310         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5311             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
5312             XCB_WINDOW_NONE, cursors[XC_FLEUR].cid, XCB_CURRENT_TIME);
5313
5314         /* get cursor offset from window root */
5315         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5316                 NULL);
5317         if (!qpr) {
5318                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5319                 return;
5320         }
5321
5322         xcb_flush(conn);
5323         moving = 1;
5324         while ((evt = xcb_wait_for_event(conn)) && moving) {
5325                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5326                 case XCB_BUTTON_RELEASE:
5327                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
5328                         moving = 0;
5329                         break;
5330                 case XCB_MOTION_NOTIFY:
5331                         mne = (xcb_motion_notify_event_t *)evt;
5332                         X(win) = mne->root_x - qpr->win_x - border_width;
5333                         Y(win) = mne->root_y - qpr->win_y - border_width;
5334
5335                         constrain_window(win, r, 0);
5336
5337                         /* not free, don't sync more than 120 times / second */
5338                         if ((mne->time - timestamp) > (1000 / 120) ) {
5339                                 timestamp = mne->time;
5340                                 update_window(win);
5341                                 xcb_flush(conn);
5342                         }
5343                         break;
5344                 default:
5345                         event_handle(evt);
5346                         break;
5347                 }
5348                 free(evt);
5349         }
5350         if (timestamp) {
5351                 update_window(win);
5352                 xcb_flush(conn);
5353         }
5354         store_float_geom(win, r);
5355         free(qpr);
5356         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5357         DNPRINTF(SWM_D_EVENT, "move: done.\n");
5358 }
5359
5360 void
5361 move_step(struct swm_region *r, union arg *args)
5362 {
5363         struct ws_win           *win = NULL;
5364
5365         if (r && r->ws && r->ws->focus)
5366                 win = r->ws->focus;
5367         else
5368                 return;
5369
5370         if (!win->transient && !win->floating)
5371                 return;
5372
5373         move(win, args);
5374         focus_flush();
5375 }
5376
5377 /* key definitions */
5378 struct keyfunc {
5379         char                    name[SWM_FUNCNAME_LEN];
5380         void                    (*func)(struct swm_region *r, union arg *);
5381         union arg               args;
5382 } keyfuncs[KF_INVALID + 1] = {
5383         /* name                 function        argument */
5384         { "bar_toggle",         bar_toggle,     {0} },
5385         { "button2",            pressbutton,    {2} },
5386         { "cycle_layout",       cycle_layout,   {0} },
5387         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
5388         { "float_toggle",       floating_toggle,{0} },
5389         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
5390         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
5391         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
5392         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
5393         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
5394         { "iconify",            iconify,        {0} },
5395         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
5396         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
5397         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
5398         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
5399         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
5400         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
5401         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
5402         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
5403         { "mvws_1",             send_to_ws,     {.id = 0} },
5404         { "mvws_2",             send_to_ws,     {.id = 1} },
5405         { "mvws_3",             send_to_ws,     {.id = 2} },
5406         { "mvws_4",             send_to_ws,     {.id = 3} },
5407         { "mvws_5",             send_to_ws,     {.id = 4} },
5408         { "mvws_6",             send_to_ws,     {.id = 5} },
5409         { "mvws_7",             send_to_ws,     {.id = 6} },
5410         { "mvws_8",             send_to_ws,     {.id = 7} },
5411         { "mvws_9",             send_to_ws,     {.id = 8} },
5412         { "mvws_10",            send_to_ws,     {.id = 9} },
5413         { "mvws_11",            send_to_ws,     {.id = 10} },
5414         { "mvws_12",            send_to_ws,     {.id = 11} },
5415         { "mvws_13",            send_to_ws,     {.id = 12} },
5416         { "mvws_14",            send_to_ws,     {.id = 13} },
5417         { "mvws_15",            send_to_ws,     {.id = 14} },
5418         { "mvws_16",            send_to_ws,     {.id = 15} },
5419         { "mvws_17",            send_to_ws,     {.id = 16} },
5420         { "mvws_18",            send_to_ws,     {.id = 17} },
5421         { "mvws_19",            send_to_ws,     {.id = 18} },
5422         { "mvws_20",            send_to_ws,     {.id = 19} },
5423         { "mvws_21",            send_to_ws,     {.id = 20} },
5424         { "mvws_22",            send_to_ws,     {.id = 21} },
5425         { "name_workspace",     name_workspace, {0} },
5426         { "quit",               quit,           {0} },
5427         { "raise_toggle",       raise_toggle,   {0} },
5428         { "restart",            restart,        {0} },
5429         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
5430         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
5431         { "search_win",         search_win,     {0} },
5432         { "search_workspace",   search_workspace,       {0} },
5433         { "spawn_custom",       NULL,           {0} },
5434         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
5435         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
5436         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
5437         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
5438         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
5439         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
5440         { "uniconify",          uniconify,      {0} },
5441         { "version",            version,        {0} },
5442         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
5443         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
5444         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
5445         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
5446         { "ws_1",               switchws,       {.id = 0} },
5447         { "ws_2",               switchws,       {.id = 1} },
5448         { "ws_3",               switchws,       {.id = 2} },
5449         { "ws_4",               switchws,       {.id = 3} },
5450         { "ws_5",               switchws,       {.id = 4} },
5451         { "ws_6",               switchws,       {.id = 5} },
5452         { "ws_7",               switchws,       {.id = 6} },
5453         { "ws_8",               switchws,       {.id = 7} },
5454         { "ws_9",               switchws,       {.id = 8} },
5455         { "ws_10",              switchws,       {.id = 9} },
5456         { "ws_11",              switchws,       {.id = 10} },
5457         { "ws_12",              switchws,       {.id = 11} },
5458         { "ws_13",              switchws,       {.id = 12} },
5459         { "ws_14",              switchws,       {.id = 13} },
5460         { "ws_15",              switchws,       {.id = 14} },
5461         { "ws_16",              switchws,       {.id = 15} },
5462         { "ws_17",              switchws,       {.id = 16} },
5463         { "ws_18",              switchws,       {.id = 17} },
5464         { "ws_19",              switchws,       {.id = 18} },
5465         { "ws_20",              switchws,       {.id = 19} },
5466         { "ws_21",              switchws,       {.id = 20} },
5467         { "ws_22",              switchws,       {.id = 21} },
5468         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
5469         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
5470         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
5471         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
5472         { "ws_prior",           priorws,        {0} },
5473         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
5474         { "invalid key func",   NULL,           {0} },
5475 };
5476
5477 int
5478 key_cmp(struct key *kp1, struct key *kp2)
5479 {
5480         if (kp1->keysym < kp2->keysym)
5481                 return (-1);
5482         if (kp1->keysym > kp2->keysym)
5483                 return (1);
5484
5485         if (kp1->mod < kp2->mod)
5486                 return (-1);
5487         if (kp1->mod > kp2->mod)
5488                 return (1);
5489
5490         return (0);
5491 }
5492
5493 /* mouse */
5494 enum { client_click, root_click };
5495 struct button {
5496         unsigned int            action;
5497         unsigned int            mask;
5498         unsigned int            button;
5499         void                    (*func)(struct ws_win *, union arg *);
5500         union arg               args;
5501 } buttons[] = {
5502 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
5503           /* action     key             mouse button    func    args */
5504         { client_click, MODKEY,         XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_DONTCENTER} },
5505         { client_click, MODKEY_SHIFT,   XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_CENTER} },
5506         { client_click, MODKEY,         XCB_BUTTON_INDEX_1,     move,   {0} },
5507 #undef MODKEY_SHIFT
5508 };
5509
5510 void
5511 update_modkey(unsigned int mod)
5512 {
5513         int                     i;
5514         struct key              *kp;
5515
5516         mod_key = mod;
5517         RB_FOREACH(kp, key_tree, &keys)
5518                 if (kp->mod & XCB_MOD_MASK_SHIFT)
5519                         kp->mod = mod | XCB_MOD_MASK_SHIFT;
5520                 else
5521                         kp->mod = mod;
5522
5523         for (i = 0; i < LENGTH(buttons); i++)
5524                 if (buttons[i].mask & XCB_MOD_MASK_SHIFT)
5525                         buttons[i].mask = mod | XCB_MOD_MASK_SHIFT;
5526                 else
5527                         buttons[i].mask = mod;
5528 }
5529
5530 int
5531 spawn_expand(struct swm_region *r, union arg *args, const char *spawn_name,
5532     char ***ret_args)
5533 {
5534         struct spawn_prog       *prog = NULL;
5535         int                     i;
5536         char                    *ap, **real_args;
5537
5538         /* suppress unused warning since var is needed */
5539         (void)args;
5540
5541         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
5542
5543         /* find program */
5544         TAILQ_FOREACH(prog, &spawns, entry) {
5545                 if (!strcasecmp(spawn_name, prog->name))
5546                         break;
5547         }
5548         if (prog == NULL) {
5549                 warnx("spawn_custom: program %s not found", spawn_name);
5550                 return (-1);
5551         }
5552
5553         /* make room for expanded args */
5554         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
5555                 err(1, "spawn_custom: calloc real_args");
5556
5557         /* expand spawn_args into real_args */
5558         for (i = 0; i < prog->argc; i++) {
5559                 ap = prog->argv[i];
5560                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
5561                 if (!strcasecmp(ap, "$bar_border")) {
5562                         if ((real_args[i] =
5563                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
5564                             == NULL)
5565                                 err(1,  "spawn_custom border color");
5566                 } else if (!strcasecmp(ap, "$bar_color")) {
5567                         if ((real_args[i] =
5568                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
5569                             == NULL)
5570                                 err(1, "spawn_custom bar color");
5571                 } else if (!strcasecmp(ap, "$bar_font")) {
5572                         if ((real_args[i] = strdup(bar_fonts))
5573                             == NULL)
5574                                 err(1, "spawn_custom bar fonts");
5575                 } else if (!strcasecmp(ap, "$bar_font_color")) {
5576                         if ((real_args[i] =
5577                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
5578                             == NULL)
5579                                 err(1, "spawn_custom color font");
5580                 } else if (!strcasecmp(ap, "$color_focus")) {
5581                         if ((real_args[i] =
5582                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
5583                             == NULL)
5584                                 err(1, "spawn_custom color focus");
5585                 } else if (!strcasecmp(ap, "$color_unfocus")) {
5586                         if ((real_args[i] =
5587                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
5588                             == NULL)
5589                                 err(1, "spawn_custom color unfocus");
5590                 } else {
5591                         /* no match --> copy as is */
5592                         if ((real_args[i] = strdup(ap)) == NULL)
5593                                 err(1, "spawn_custom strdup(ap)");
5594                 }
5595                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
5596                     real_args[i]);
5597         }
5598
5599 #ifdef SWM_DEBUG
5600         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
5601         for (i = 0; i < prog->argc; i++)
5602                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
5603         DNPRINTF(SWM_D_SPAWN, "\n");
5604 #endif
5605         *ret_args = real_args;
5606         return (prog->argc);
5607 }
5608
5609 void
5610 spawn_custom(struct swm_region *r, union arg *args, const char *spawn_name)
5611 {
5612         union arg               a;
5613         char                    **real_args;
5614         int                     spawn_argc, i;
5615
5616         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5617                 return;
5618         a.argv = real_args;
5619         if (fork() == 0)
5620                 spawn(r->ws->idx, &a, 1);
5621
5622         for (i = 0; i < spawn_argc; i++)
5623                 free(real_args[i]);
5624         free(real_args);
5625 }
5626
5627 void
5628 spawn_select(struct swm_region *r, union arg *args, const char *spawn_name,
5629     int *pid)
5630 {
5631         union arg               a;
5632         char                    **real_args;
5633         int                     i, spawn_argc;
5634
5635         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5636                 return;
5637         a.argv = real_args;
5638
5639         if (pipe(select_list_pipe) == -1)
5640                 err(1, "pipe error");
5641         if (pipe(select_resp_pipe) == -1)
5642                 err(1, "pipe error");
5643
5644         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
5645                 err(1, "could not disable SIGPIPE");
5646         switch (*pid = fork()) {
5647         case -1:
5648                 err(1, "cannot fork");
5649                 break;
5650         case 0: /* child */
5651                 if (dup2(select_list_pipe[0], 0) == -1)
5652                         err(1, "dup2");
5653                 if (dup2(select_resp_pipe[1], 1) == -1)
5654                         err(1, "dup2");
5655                 close(select_list_pipe[1]);
5656                 close(select_resp_pipe[0]);
5657                 spawn(r->ws->idx, &a, 0);
5658                 break;
5659         default: /* parent */
5660                 close(select_list_pipe[0]);
5661                 close(select_resp_pipe[1]);
5662                 break;
5663         }
5664
5665         for (i = 0; i < spawn_argc; i++)
5666                 free(real_args[i]);
5667         free(real_args);
5668 }
5669
5670 void
5671 spawn_insert(const char *name, const char *args)
5672 {
5673         char                    *arg, *cp, *ptr;
5674         struct spawn_prog       *sp;
5675
5676         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5677
5678         if ((sp = calloc(1, sizeof *sp)) == NULL)
5679                 err(1, "spawn_insert: calloc");
5680         if ((sp->name = strdup(name)) == NULL)
5681                 err(1, "spawn_insert: strdup");
5682
5683         /* convert the arguments to an argument list */
5684         if ((ptr = cp = strdup(args)) == NULL)
5685                 err(1, "spawn_insert: strdup");
5686         while ((arg = strsep(&ptr, " \t")) != NULL) {
5687                 /* empty field; skip it */
5688                 if (*arg == '\0')
5689                         continue;
5690
5691                 sp->argc++;
5692                 if ((sp->argv = realloc(sp->argv, sp->argc *
5693                     sizeof *sp->argv)) == NULL)
5694                         err(1, "spawn_insert: realloc");
5695                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5696                         err(1, "spawn_insert: strdup");
5697         }
5698         free(cp);
5699
5700         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5701         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5702 }
5703
5704 void
5705 spawn_remove(struct spawn_prog *sp)
5706 {
5707         int                     i;
5708
5709         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5710
5711         TAILQ_REMOVE(&spawns, sp, entry);
5712         for (i = 0; i < sp->argc; i++)
5713                 free(sp->argv[i]);
5714         free(sp->argv);
5715         free(sp->name);
5716         free(sp);
5717
5718         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5719 }
5720
5721 void
5722 spawn_replace(struct spawn_prog *sp, const char *name, const char *args)
5723 {
5724         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5725
5726         spawn_remove(sp);
5727         spawn_insert(name, args);
5728
5729         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5730 }
5731
5732 void
5733 setspawn(const char *name, const char *args)
5734 {
5735         struct spawn_prog       *sp;
5736
5737         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5738
5739         if (name == NULL)
5740                 return;
5741
5742         TAILQ_FOREACH(sp, &spawns, entry) {
5743                 if (!strcmp(sp->name, name)) {
5744                         if (*args == '\0')
5745                                 spawn_remove(sp);
5746                         else
5747                                 spawn_replace(sp, name, args);
5748                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5749                         return;
5750                 }
5751         }
5752         if (*args == '\0') {
5753                 warnx("error: setspawn: cannot find program: %s", name);
5754                 return;
5755         }
5756
5757         spawn_insert(name, args);
5758         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5759 }
5760
5761 int
5762 setconfspawn(char *selector, char *value, int flags)
5763 {
5764         char *args;
5765
5766         /* suppress unused warning since var is needed */
5767         (void)flags;
5768
5769         args = expand_tilde(value);
5770
5771         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, args);
5772
5773         setspawn(selector, args);
5774         free(args);
5775
5776         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done.\n");
5777         return (0);
5778 }
5779
5780 void
5781 setup_spawn(void)
5782 {
5783         setconfspawn("term",            "xterm",                0);
5784         setconfspawn("spawn_term",      "xterm",                0);
5785         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5786         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5787         setconfspawn("lock",            "xlock",                0);
5788         setconfspawn("initscr",         "initscreen.sh",        0);
5789         setconfspawn("menu",            "dmenu_run"
5790                                         " -fn $bar_font"
5791                                         " -nb $bar_color"
5792                                         " -nf $bar_font_color"
5793                                         " -sb $bar_border"
5794                                         " -sf $bar_color",      0);
5795         setconfspawn("search",          "dmenu"
5796                                         " -i"
5797                                         " -fn $bar_font"
5798                                         " -nb $bar_color"
5799                                         " -nf $bar_font_color"
5800                                         " -sb $bar_border"
5801                                         " -sf $bar_color",      0);
5802         setconfspawn("name_workspace",  "dmenu"
5803                                         " -p Workspace"
5804                                         " -fn $bar_font"
5805                                         " -nb $bar_color"
5806                                         " -nf $bar_font_color"
5807                                         " -sb $bar_border"
5808                                         " -sf $bar_color",      0);
5809 }
5810
5811 /* key bindings */
5812 #define SWM_MODNAME_SIZE        32
5813 #define SWM_KEY_WS              "\n+ \t"
5814 int
5815 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5816 {
5817         char                    *cp, *name;
5818         KeySym                  uks;
5819         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5820         if (mod == NULL || ks == NULL) {
5821                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5822                 return (1);
5823         }
5824         if (keystr == NULL || strlen(keystr) == 0) {
5825                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5826                 return (1);
5827         }
5828         cp = keystr;
5829         *ks = XCB_NO_SYMBOL;
5830         *mod = 0;
5831         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5832                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5833                 if (cp)
5834                         cp += (long)strspn(cp, SWM_KEY_WS);
5835                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5836                         *mod |= currmod;
5837                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5838                         *mod |= XCB_MOD_MASK_1;
5839                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5840                         *mod += XCB_MOD_MASK_2;
5841                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5842                         *mod |= XCB_MOD_MASK_3;
5843                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5844                         *mod |= XCB_MOD_MASK_4;
5845                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5846                         *mod |= XCB_MOD_MASK_SHIFT;
5847                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5848                         *mod |= XCB_MOD_MASK_CONTROL;
5849                 else {
5850                         *ks = XStringToKeysym(name);
5851                         XConvertCase(*ks, ks, &uks);
5852                         if (ks == XCB_NO_SYMBOL) {
5853                                 DNPRINTF(SWM_D_KEY,
5854                                     "parsekeys: invalid key %s\n",
5855                                     name);
5856                                 return (1);
5857                         }
5858                 }
5859         }
5860         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5861         return (0);
5862 }
5863
5864 char *
5865 strdupsafe(const char *str)
5866 {
5867         if (str == NULL)
5868                 return (NULL);
5869         else
5870                 return (strdup(str));
5871 }
5872
5873 void
5874 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5875     const char *spawn_name)
5876 {
5877         struct key              *kp;
5878
5879         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5880             keyfuncs[kfid].name, spawn_name);
5881
5882         if ((kp = malloc(sizeof *kp)) == NULL)
5883                 err(1, "key_insert: malloc");
5884
5885         kp->mod = mod;
5886         kp->keysym = ks;
5887         kp->funcid = kfid;
5888         kp->spawn_name = strdupsafe(spawn_name);
5889         RB_INSERT(key_tree, &keys, kp);
5890
5891         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5892 }
5893
5894 struct key *
5895 key_lookup(unsigned int mod, KeySym ks)
5896 {
5897         struct key              kp;
5898
5899         kp.keysym = ks;
5900         kp.mod = mod;
5901
5902         return (RB_FIND(key_tree, &keys, &kp));
5903 }
5904
5905 void
5906 key_remove(struct key *kp)
5907 {
5908         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5909
5910         RB_REMOVE(key_tree, &keys, kp);
5911         free(kp->spawn_name);
5912         free(kp);
5913
5914         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5915 }
5916
5917 void
5918 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5919     const char *spawn_name)
5920 {
5921         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5922             spawn_name);
5923
5924         key_remove(kp);
5925         key_insert(mod, ks, kfid, spawn_name);
5926
5927         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5928 }
5929
5930 void
5931 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5932     const char *spawn_name)
5933 {
5934         struct key              *kp;
5935
5936         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5937             keyfuncs[kfid].name, spawn_name);
5938
5939         if ((kp = key_lookup(mod, ks)) != NULL) {
5940                 if (kfid == KF_INVALID)
5941                         key_remove(kp);
5942                 else
5943                         key_replace(kp, mod, ks, kfid, spawn_name);
5944                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5945                 return;
5946         }
5947         if (kfid == KF_INVALID) {
5948                 warnx("bind: Key combination already unbound.");
5949                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5950                 return;
5951         }
5952
5953         key_insert(mod, ks, kfid, spawn_name);
5954         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5955 }
5956
5957 int
5958 setconfbinding(char *selector, char *value, int flags)
5959 {
5960         enum keyfuncid          kfid;
5961         unsigned int            mod;
5962         KeySym                  ks;
5963         struct spawn_prog       *sp;
5964
5965         /* suppress unused warning since var is needed */
5966         (void)flags;
5967
5968         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5969         if (selector == NULL) {
5970                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5971                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5972                         kfid = KF_INVALID;
5973                         setkeybinding(mod, ks, kfid, NULL);
5974                         return (0);
5975                 } else
5976                         return (1);
5977         }
5978         /* search by key function name */
5979         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
5980                 if (strncasecmp(selector, keyfuncs[kfid].name,
5981                     SWM_FUNCNAME_LEN) == 0) {
5982                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5983                             selector);
5984                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5985                                 setkeybinding(mod, ks, kfid, NULL);
5986                                 return (0);
5987                         } else
5988                                 return (1);
5989                 }
5990         }
5991         /* search by custom spawn name */
5992         TAILQ_FOREACH(sp, &spawns, entry) {
5993                 if (strcasecmp(selector, sp->name) == 0) {
5994                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5995                             selector);
5996                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5997                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
5998                                     sp->name);
5999                                 return (0);
6000                         } else
6001                                 return (1);
6002                 }
6003         }
6004         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
6005         return (1);
6006 }
6007
6008 void
6009 setup_keys(void)
6010 {
6011 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
6012         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
6013         setkeybinding(MODKEY_SHIFT,     XK_backslash,   KF_FLIP_LAYOUT, NULL);
6014         setkeybinding(MODKEY_SHIFT,     XK_space,       KF_STACK_RESET, NULL);
6015         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
6016         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
6017         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
6018         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
6019         setkeybinding(MODKEY_SHIFT,     XK_comma,       KF_STACK_INC,   NULL);
6020         setkeybinding(MODKEY_SHIFT,     XK_period,      KF_STACK_DEC,   NULL);
6021         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
6022         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
6023         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
6024         setkeybinding(MODKEY_SHIFT,     XK_j,           KF_SWAP_NEXT,   NULL);
6025         setkeybinding(MODKEY_SHIFT,     XK_k,           KF_SWAP_PREV,   NULL);
6026         setkeybinding(MODKEY_SHIFT,     XK_Return,      KF_SPAWN_CUSTOM,"term");
6027         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
6028         setkeybinding(MODKEY_SHIFT,     XK_q,           KF_QUIT,        NULL);
6029         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
6030         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
6031         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
6032         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
6033         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
6034         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
6035         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
6036         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
6037         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
6038         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
6039         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
6040         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
6041         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
6042         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
6043         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
6044         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
6045         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
6046         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
6047         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
6048         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
6049         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
6050         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
6051         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
6052         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
6053         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
6054         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
6055         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
6056         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
6057         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
6058         setkeybinding(MODKEY_SHIFT,     XK_Right,       KF_SCREEN_NEXT, NULL);
6059         setkeybinding(MODKEY_SHIFT,     XK_Left,        KF_SCREEN_PREV, NULL);
6060         setkeybinding(MODKEY_SHIFT,     XK_1,           KF_MVWS_1,      NULL);
6061         setkeybinding(MODKEY_SHIFT,     XK_2,           KF_MVWS_2,      NULL);
6062         setkeybinding(MODKEY_SHIFT,     XK_3,           KF_MVWS_3,      NULL);
6063         setkeybinding(MODKEY_SHIFT,     XK_4,           KF_MVWS_4,      NULL);
6064         setkeybinding(MODKEY_SHIFT,     XK_5,           KF_MVWS_5,      NULL);
6065         setkeybinding(MODKEY_SHIFT,     XK_6,           KF_MVWS_6,      NULL);
6066         setkeybinding(MODKEY_SHIFT,     XK_7,           KF_MVWS_7,      NULL);
6067         setkeybinding(MODKEY_SHIFT,     XK_8,           KF_MVWS_8,      NULL);
6068         setkeybinding(MODKEY_SHIFT,     XK_9,           KF_MVWS_9,      NULL);
6069         setkeybinding(MODKEY_SHIFT,     XK_0,           KF_MVWS_10,     NULL);
6070         setkeybinding(MODKEY_SHIFT,     XK_F1,          KF_MVWS_11,     NULL);
6071         setkeybinding(MODKEY_SHIFT,     XK_F2,          KF_MVWS_12,     NULL);
6072         setkeybinding(MODKEY_SHIFT,     XK_F3,          KF_MVWS_13,     NULL);
6073         setkeybinding(MODKEY_SHIFT,     XK_F4,          KF_MVWS_14,     NULL);
6074         setkeybinding(MODKEY_SHIFT,     XK_F5,          KF_MVWS_15,     NULL);
6075         setkeybinding(MODKEY_SHIFT,     XK_F6,          KF_MVWS_16,     NULL);
6076         setkeybinding(MODKEY_SHIFT,     XK_F7,          KF_MVWS_17,     NULL);
6077         setkeybinding(MODKEY_SHIFT,     XK_F8,          KF_MVWS_18,     NULL);
6078         setkeybinding(MODKEY_SHIFT,     XK_F9,          KF_MVWS_19,     NULL);
6079         setkeybinding(MODKEY_SHIFT,     XK_F10,         KF_MVWS_20,     NULL);
6080         setkeybinding(MODKEY_SHIFT,     XK_F11,         KF_MVWS_21,     NULL);
6081         setkeybinding(MODKEY_SHIFT,     XK_F12,         KF_MVWS_22,     NULL);
6082         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
6083         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
6084         setkeybinding(MODKEY_SHIFT,     XK_Tab,         KF_FOCUS_PREV,  NULL);
6085         setkeybinding(MODKEY_SHIFT,     XK_x,           KF_WIND_KILL,   NULL);
6086         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
6087         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
6088         setkeybinding(MODKEY_SHIFT,     XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
6089         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
6090         setkeybinding(MODKEY_SHIFT,     XK_v,           KF_VERSION,     NULL);
6091         setkeybinding(MODKEY_SHIFT,     XK_Delete,      KF_SPAWN_CUSTOM,"lock");
6092         setkeybinding(MODKEY_SHIFT,     XK_i,           KF_SPAWN_CUSTOM,"initscr");
6093         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
6094         setkeybinding(MODKEY_SHIFT,     XK_w,           KF_UNICONIFY,   NULL);
6095         setkeybinding(MODKEY_SHIFT,     XK_r,           KF_RAISE_TOGGLE,NULL);
6096         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
6097         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
6098         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
6099         setkeybinding(MODKEY_SHIFT,     XK_equal,       KF_HEIGHT_GROW,NULL);
6100         setkeybinding(MODKEY_SHIFT,     XK_minus,       KF_HEIGHT_SHRINK,NULL);
6101         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
6102         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
6103         setkeybinding(MODKEY_SHIFT,     XK_bracketleft, KF_MOVE_UP,     NULL);
6104         setkeybinding(MODKEY_SHIFT,     XK_bracketright,KF_MOVE_DOWN,NULL);
6105         setkeybinding(MODKEY_SHIFT,     XK_slash,       KF_NAME_WORKSPACE,NULL);
6106         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
6107         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
6108 #ifdef SWM_DEBUG
6109         setkeybinding(MODKEY_SHIFT,     XK_d,           KF_DUMPWINS,    NULL);
6110 #endif
6111 #undef MODKEY_SHIFT
6112 }
6113
6114 void
6115 clear_keys(void)
6116 {
6117         struct key              *kp;
6118
6119         while (RB_EMPTY(&keys) == 0) {
6120                 kp = RB_ROOT(&keys);
6121                 key_remove(kp);
6122         }
6123 }
6124
6125 int
6126 setkeymapping(char *selector, char *value, int flags)
6127 {
6128         char                    keymapping_file[PATH_MAX];
6129
6130         /* suppress unused warnings since vars are needed */
6131         (void)selector;
6132         (void)flags;
6133
6134         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
6135         if (value[0] == '~')
6136                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
6137                     pwd->pw_dir, &value[1]);
6138         else
6139                 strlcpy(keymapping_file, value, sizeof keymapping_file);
6140         clear_keys();
6141         /* load new key bindings; if it fails, revert to default bindings */
6142         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
6143                 clear_keys();
6144                 setup_keys();
6145         }
6146         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
6147         return (0);
6148 }
6149
6150 void
6151 updatenumlockmask(void)
6152 {
6153         unsigned int                            i, j;
6154         xcb_get_modifier_mapping_reply_t        *modmap_r;
6155         xcb_keycode_t                           *modmap, kc, *keycode;
6156
6157         numlockmask = 0;
6158
6159         modmap_r = xcb_get_modifier_mapping_reply(conn,
6160             xcb_get_modifier_mapping(conn),
6161             NULL);
6162         if (modmap_r) {
6163                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
6164                 for (i = 0; i < 8; i++) {
6165                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
6166                                 kc = modmap[i * modmap_r->keycodes_per_modifier
6167                                     + j];
6168                                 keycode = xcb_key_symbols_get_keycode(syms,
6169                                                 XK_Num_Lock);
6170                                 if (kc == *keycode)
6171                                         numlockmask = (1 << i);
6172                                 free(keycode);
6173                         }
6174                 }
6175                 free(modmap_r);
6176         }
6177         DNPRINTF(SWM_D_MISC, "updatenumlockmask: %d\n", numlockmask);
6178 }
6179
6180 void
6181 grabkeys(void)
6182 {
6183         struct key              *kp;
6184         int                     num_screens, k, j;
6185         unsigned int            modifiers[4];
6186         xcb_keycode_t           *code;
6187
6188         DNPRINTF(SWM_D_MISC, "grabkeys\n");
6189         updatenumlockmask();
6190
6191         modifiers[0] = 0;
6192         modifiers[1] = numlockmask;
6193         modifiers[2] = XCB_MOD_MASK_LOCK;
6194         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6195
6196         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6197         for (k = 0; k < num_screens; k++) {
6198                 if (TAILQ_EMPTY(&screens[k].rl))
6199                         continue;
6200                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
6201                         XCB_MOD_MASK_ANY);
6202                 RB_FOREACH(kp, key_tree, &keys) {
6203                         if ((code = xcb_key_symbols_get_keycode(syms,
6204                                         kp->keysym))) {
6205                                 for (j = 0; j < LENGTH(modifiers); j++)
6206                                         xcb_grab_key(conn, 1,
6207                                             screens[k].root,
6208                                             kp->mod | modifiers[j],
6209                                             *code, XCB_GRAB_MODE_SYNC,
6210                                             XCB_GRAB_MODE_ASYNC);
6211                                 free(code);
6212                         }
6213                 }
6214         }
6215 }
6216
6217 void
6218 grabbuttons(struct ws_win *win)
6219 {
6220         unsigned int    modifiers[4];
6221         int             i, j;
6222
6223         DNPRINTF(SWM_D_MOUSE, "grabbuttons: win 0x%x\n", win->id);
6224         updatenumlockmask();
6225
6226         modifiers[0] = 0;
6227         modifiers[1] = numlockmask;
6228         modifiers[2] = XCB_MOD_MASK_LOCK;
6229         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6230
6231         for (i = 0; i < LENGTH(buttons); i++)
6232                 if (buttons[i].action == client_click)
6233                         for (j = 0; j < LENGTH(modifiers); ++j)
6234                                 xcb_grab_button(conn, 0, win->id, BUTTONMASK,
6235                                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC,
6236                                     XCB_WINDOW_NONE, XCB_CURSOR_NONE,
6237                                     buttons[i].button, buttons[i].mask |
6238                                     modifiers[j]);
6239 }
6240
6241 const char *quirkname[] = {
6242         "NONE",         /* config string for "no value" */
6243         "FLOAT",
6244         "TRANSSZ",
6245         "ANYWHERE",
6246         "XTERM_FONTADJ",
6247         "FULLSCREEN",
6248         "FOCUSPREV",
6249 };
6250
6251 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
6252 #define SWM_Q_WS                "\n|+ \t"
6253 int
6254 parsequirks(char *qstr, unsigned long *quirk)
6255 {
6256         char                    *cp, *name;
6257         int                     i;
6258
6259         if (quirk == NULL)
6260                 return (1);
6261
6262         cp = qstr;
6263         *quirk = 0;
6264         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
6265                 if (cp)
6266                         cp += (long)strspn(cp, SWM_Q_WS);
6267                 for (i = 0; i < LENGTH(quirkname); i++) {
6268                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
6269                                 DNPRINTF(SWM_D_QUIRK,
6270                                     "parsequirks: %s\n", name);
6271                                 if (i == 0) {
6272                                         *quirk = 0;
6273                                         return (0);
6274                                 }
6275                                 *quirk |= 1 << (i-1);
6276                                 break;
6277                         }
6278                 }
6279                 if (i >= LENGTH(quirkname)) {
6280                         DNPRINTF(SWM_D_QUIRK,
6281                             "parsequirks: invalid quirk [%s]\n", name);
6282                         return (1);
6283                 }
6284         }
6285         return (0);
6286 }
6287
6288 void
6289 quirk_insert(const char *class, const char *name, unsigned long quirk)
6290 {
6291         struct quirk            *qp;
6292
6293         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
6294             quirk);
6295
6296         if ((qp = malloc(sizeof *qp)) == NULL)
6297                 err(1, "quirk_insert: malloc");
6298         if ((qp->class = strdup(class)) == NULL)
6299                 err(1, "quirk_insert: strdup");
6300         if ((qp->name = strdup(name)) == NULL)
6301                 err(1, "quirk_insert: strdup");
6302
6303         qp->quirk = quirk;
6304         TAILQ_INSERT_TAIL(&quirks, qp, entry);
6305
6306         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
6307 }
6308
6309 void
6310 quirk_remove(struct quirk *qp)
6311 {
6312         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
6313             qp->name, qp->quirk);
6314
6315         TAILQ_REMOVE(&quirks, qp, entry);
6316         free(qp->class);
6317         free(qp->name);
6318         free(qp);
6319
6320         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
6321 }
6322
6323 void
6324 quirk_replace(struct quirk *qp, const char *class, const char *name,
6325     unsigned long quirk)
6326 {
6327         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
6328             qp->name, qp->quirk);
6329
6330         quirk_remove(qp);
6331         quirk_insert(class, name, quirk);
6332
6333         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
6334 }
6335
6336 void
6337 setquirk(const char *class, const char *name, unsigned long quirk)
6338 {
6339         struct quirk            *qp;
6340
6341         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
6342            quirk);
6343
6344         /* Remove/replace existing quirk. */
6345         TAILQ_FOREACH(qp, &quirks, entry) {
6346                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
6347                         if (!quirk)
6348                                 quirk_remove(qp);
6349                         else
6350                                 quirk_replace(qp, class, name, quirk);
6351                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6352                         return;
6353                 }
6354         }
6355
6356         /* Only insert if quirk is not NONE. */
6357         if (quirk)
6358                 quirk_insert(class, name, quirk);
6359
6360         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6361 }
6362
6363 int
6364 setconfquirk(char *selector, char *value, int flags)
6365 {
6366         char                    *cp, *class, *name;
6367         int                     retval;
6368         unsigned long           qrks;
6369
6370         /* suppress unused warning since var is needed */
6371         (void)flags;
6372
6373         if (selector == NULL)
6374                 return (0);
6375         if ((cp = strchr(selector, ':')) == NULL)
6376                 return (0);
6377         *cp = '\0';
6378         class = selector;
6379         name = cp + 1;
6380         if ((retval = parsequirks(value, &qrks)) == 0)
6381                 setquirk(class, name, qrks);
6382         return (retval);
6383 }
6384
6385 void
6386 setup_quirks(void)
6387 {
6388         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
6389         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
6390         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
6391         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
6392         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6393         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
6394         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6395         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6396         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6397         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6398         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
6399         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
6400         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
6401 }
6402
6403 /* conf file stuff */
6404 #define SWM_CONF_FILE           "spectrwm.conf"
6405 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
6406
6407 enum {
6408         SWM_S_BAR_ACTION,
6409         SWM_S_BAR_AT_BOTTOM,
6410         SWM_S_BAR_BORDER_WIDTH,
6411         SWM_S_BAR_DELAY,
6412         SWM_S_BAR_ENABLED,
6413         SWM_S_BAR_FONT,
6414         SWM_S_BAR_FORMAT,
6415         SWM_S_BAR_JUSTIFY,
6416         SWM_S_BORDER_WIDTH,
6417         SWM_S_CLOCK_ENABLED,
6418         SWM_S_CLOCK_FORMAT,
6419         SWM_S_CYCLE_EMPTY,
6420         SWM_S_CYCLE_VISIBLE,
6421         SWM_S_DIALOG_RATIO,
6422         SWM_S_DISABLE_BORDER,
6423         SWM_S_FOCUS_CLOSE,
6424         SWM_S_FOCUS_CLOSE_WRAP,
6425         SWM_S_FOCUS_DEFAULT,
6426         SWM_S_FOCUS_MODE,
6427         SWM_S_SPAWN_ORDER,
6428         SWM_S_SPAWN_TERM,
6429         SWM_S_SS_APP,
6430         SWM_S_SS_ENABLED,
6431         SWM_S_STACK_ENABLED,
6432         SWM_S_TERM_WIDTH,
6433         SWM_S_TITLE_CLASS_ENABLED,
6434         SWM_S_TITLE_NAME_ENABLED,
6435         SWM_S_URGENT_ENABLED,
6436         SWM_S_VERBOSE_LAYOUT,
6437         SWM_S_WINDOW_NAME_ENABLED,
6438         SWM_S_WORKSPACE_LIMIT
6439 };
6440
6441 int
6442 setconfvalue(char *selector, char *value, int flags)
6443 {
6444         int     i;
6445         char    *b;
6446
6447         /* suppress unused warning since var is needed */
6448         (void)selector;
6449
6450         switch (flags) {
6451         case SWM_S_BAR_ACTION:
6452                 free(bar_argv[0]);
6453                 if ((bar_argv[0] = expand_tilde(value)) == NULL)
6454                         err(1, "setconfvalue: bar_action");
6455                 break;
6456         case SWM_S_BAR_AT_BOTTOM:
6457                 bar_at_bottom = atoi(value);
6458                 break;
6459         case SWM_S_BAR_BORDER_WIDTH:
6460                 bar_border_width = atoi(value);
6461                 if (bar_border_width < 0)
6462                         bar_border_width = 0;
6463                 break;
6464         case SWM_S_BAR_DELAY:
6465                 bar_delay = atoi(value);
6466                 break;
6467         case SWM_S_BAR_ENABLED:
6468                 bar_enabled = atoi(value);
6469                 break;
6470         case SWM_S_BAR_FONT:
6471                 b = bar_fonts;
6472                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
6473                         err(1, "setconfvalue: asprintf: failed to allocate "
6474                                 "memory for bar_fonts.");
6475                 free(b);
6476
6477                 /* If already in xft mode, then we are done. */
6478                 if (!bar_font_legacy)
6479                         break;
6480
6481                 /* If there are any non-XLFD entries, switch to Xft mode. */
6482                 while ((b = strsep(&value, ",")) != NULL) {
6483                         if (*b == '\0')
6484                                 continue;
6485                         if (!isxlfd(b)) {
6486                                 bar_font_legacy = 0;
6487                                 break;
6488                         }
6489                 }
6490                 break;
6491         case SWM_S_BAR_FORMAT:
6492                 free(bar_format);
6493                 if ((bar_format = strdup(value)) == NULL)
6494                         err(1, "setconfvalue: bar_format");
6495                 break;
6496         case SWM_S_BAR_JUSTIFY:
6497                 if (!strcmp(value, "left"))
6498                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
6499                 else if (!strcmp(value, "center"))
6500                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
6501                 else if (!strcmp(value, "right"))
6502                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
6503                 else
6504                         errx(1, "invalid bar_justify");
6505                 break;
6506         case SWM_S_BORDER_WIDTH:
6507                 border_width = atoi(value);
6508                 if (border_width < 0)
6509                         border_width = 0;
6510                 break;
6511         case SWM_S_CLOCK_ENABLED:
6512                 clock_enabled = atoi(value);
6513                 break;
6514         case SWM_S_CLOCK_FORMAT:
6515 #ifndef SWM_DENY_CLOCK_FORMAT
6516                 free(clock_format);
6517                 if ((clock_format = strdup(value)) == NULL)
6518                         err(1, "setconfvalue: clock_format");
6519 #endif
6520                 break;
6521         case SWM_S_CYCLE_EMPTY:
6522                 cycle_empty = atoi(value);
6523                 break;
6524         case SWM_S_CYCLE_VISIBLE:
6525                 cycle_visible = atoi(value);
6526                 break;
6527         case SWM_S_DIALOG_RATIO:
6528                 dialog_ratio = atof(value);
6529                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
6530                         dialog_ratio = .6;
6531                 break;
6532         case SWM_S_DISABLE_BORDER:
6533                 disable_border = atoi(value);
6534                 break;
6535         case SWM_S_FOCUS_CLOSE:
6536                 if (!strcmp(value, "first"))
6537                         focus_close = SWM_STACK_BOTTOM;
6538                 else if (!strcmp(value, "last"))
6539                         focus_close = SWM_STACK_TOP;
6540                 else if (!strcmp(value, "next"))
6541                         focus_close = SWM_STACK_ABOVE;
6542                 else if (!strcmp(value, "previous"))
6543                         focus_close = SWM_STACK_BELOW;
6544                 else
6545                         errx(1, "focus_close");
6546                 break;
6547         case SWM_S_FOCUS_CLOSE_WRAP:
6548                 focus_close_wrap = atoi(value);
6549                 break;
6550         case SWM_S_FOCUS_DEFAULT:
6551                 if (!strcmp(value, "last"))
6552                         focus_default = SWM_STACK_TOP;
6553                 else if (!strcmp(value, "first"))
6554                         focus_default = SWM_STACK_BOTTOM;
6555                 else
6556                         errx(1, "focus_default");
6557                 break;
6558         case SWM_S_FOCUS_MODE:
6559                 if (!strcmp(value, "default"))
6560                         focus_mode = SWM_FOCUS_DEFAULT;
6561                 else if (!strcmp(value, "follow") ||
6562                     !strcmp(value, "follow_cursor"))
6563                         focus_mode = SWM_FOCUS_FOLLOW;
6564                 else if (!strcmp(value, "manual"))
6565                         focus_mode = SWM_FOCUS_MANUAL;
6566                 else
6567                         errx(1, "focus_mode");
6568                 break;
6569         case SWM_S_SPAWN_ORDER:
6570                 if (!strcmp(value, "first"))
6571                         spawn_position = SWM_STACK_BOTTOM;
6572                 else if (!strcmp(value, "last"))
6573                         spawn_position = SWM_STACK_TOP;
6574                 else if (!strcmp(value, "next"))
6575                         spawn_position = SWM_STACK_ABOVE;
6576                 else if (!strcmp(value, "previous"))
6577                         spawn_position = SWM_STACK_BELOW;
6578                 else
6579                         errx(1, "spawn_position");
6580                 break;
6581         case SWM_S_SPAWN_TERM:
6582                 setconfspawn("term", value, 0);
6583                 setconfspawn("spawn_term", value, 0);
6584                 break;
6585         case SWM_S_SS_APP:
6586                 break;
6587         case SWM_S_SS_ENABLED:
6588                 ss_enabled = atoi(value);
6589                 break;
6590         case SWM_S_STACK_ENABLED:
6591                 stack_enabled = atoi(value);
6592                 break;
6593         case SWM_S_TERM_WIDTH:
6594                 term_width = atoi(value);
6595                 if (term_width < 0)
6596                         term_width = 0;
6597                 break;
6598         case SWM_S_TITLE_CLASS_ENABLED:
6599                 title_class_enabled = atoi(value);
6600                 break;
6601         case SWM_S_TITLE_NAME_ENABLED:
6602                 title_name_enabled = atoi(value);
6603                 break;
6604         case SWM_S_URGENT_ENABLED:
6605                 urgent_enabled = atoi(value);
6606                 break;
6607         case SWM_S_VERBOSE_LAYOUT:
6608                 verbose_layout = atoi(value);
6609                 for (i = 0; layouts[i].l_stack != NULL; i++) {
6610                         if (verbose_layout)
6611                                 layouts[i].l_string = fancy_stacker;
6612                         else
6613                                 layouts[i].l_string = plain_stacker;
6614                 }
6615                 break;
6616         case SWM_S_WINDOW_NAME_ENABLED:
6617                 window_name_enabled = atoi(value);
6618                 break;
6619         case SWM_S_WORKSPACE_LIMIT:
6620                 workspace_limit = atoi(value);
6621                 if (workspace_limit > SWM_WS_MAX)
6622                         workspace_limit = SWM_WS_MAX;
6623                 else if (workspace_limit < 1)
6624                         workspace_limit = 1;
6625                 break;
6626         default:
6627                 return (1);
6628         }
6629         return (0);
6630 }
6631
6632 int
6633 setconfmodkey(char *selector, char *value, int flags)
6634 {
6635         /* suppress unused warnings since vars are needed */
6636         (void)selector;
6637         (void)flags;
6638
6639         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
6640                 update_modkey(XCB_MOD_MASK_1);
6641         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
6642                 update_modkey(XCB_MOD_MASK_2);
6643         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
6644                 update_modkey(XCB_MOD_MASK_3);
6645         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
6646                 update_modkey(XCB_MOD_MASK_4);
6647         else
6648                 return (1);
6649         return (0);
6650 }
6651
6652 int
6653 setconfcolor(char *selector, char *value, int flags)
6654 {
6655         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
6656         return (0);
6657 }
6658
6659 int
6660 setconfregion(char *selector, char *value, int flags)
6661 {
6662         /* suppress unused warnings since vars are needed */
6663         (void)selector;
6664         (void)flags;
6665
6666         custom_region(value);
6667         return (0);
6668 }
6669
6670 int
6671 setautorun(char *selector, char *value, int flags)
6672 {
6673         int                     ws_id;
6674         char                    s[1024];
6675         char                    *ap, *sp;
6676         union arg               a;
6677         int                     argc = 0;
6678         pid_t                   pid;
6679         struct pid_e            *p;
6680
6681         /* suppress unused warnings since vars are needed */
6682         (void)selector;
6683         (void)flags;
6684
6685         if (getenv("SWM_STARTED"))
6686                 return (0);
6687
6688         bzero(s, sizeof s);
6689         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
6690                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
6691         ws_id--;
6692         if (ws_id < 0 || ws_id >= workspace_limit)
6693                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
6694
6695         sp = expand_tilde((char *)&s);
6696
6697         /*
6698          * This is a little intricate
6699          *
6700          * If the pid already exists we simply reuse it because it means it was
6701          * used before AND not claimed by manage_window.  We get away with
6702          * altering it in the parent after INSERT because this can not be a race
6703          */
6704         a.argv = NULL;
6705         while ((ap = strsep(&sp, " \t")) != NULL) {
6706                 if (*ap == '\0')
6707                         continue;
6708                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
6709                 argc++;
6710                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
6711                         err(1, "setautorun: realloc");
6712                 a.argv[argc - 1] = ap;
6713         }
6714         free(sp);
6715
6716         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
6717                 err(1, "setautorun: realloc");
6718         a.argv[argc] = NULL;
6719
6720         if ((pid = fork()) == 0) {
6721                 spawn(ws_id, &a, 1);
6722                 /* NOTREACHED */
6723                 _exit(1);
6724         }
6725         free(a.argv);
6726
6727         /* parent */
6728         p = find_pid(pid);
6729         if (p == NULL) {
6730                 p = calloc(1, sizeof *p);
6731                 if (p == NULL)
6732                         return (1);
6733                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
6734         }
6735
6736         p->pid = pid;
6737         p->ws = ws_id;
6738
6739         return (0);
6740 }
6741
6742 int
6743 setlayout(char *selector, char *value, int flags)
6744 {
6745         int                     ws_id, i, x, mg, ma, si, ar, f = 0;
6746         int                     st = SWM_V_STACK, num_screens;
6747         char                    s[1024];
6748         struct workspace        *ws;
6749
6750         /* suppress unused warnings since vars are needed */
6751         (void)selector;
6752         (void)flags;
6753
6754         if (getenv("SWM_STARTED"))
6755                 return (0);
6756
6757         bzero(s, sizeof s);
6758         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6759             &ws_id, &mg, &ma, &si, &ar, s) != 6)
6760                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6761                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6762                     "<type>'");
6763         ws_id--;
6764         if (ws_id < 0 || ws_id >= workspace_limit)
6765                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6766
6767         if (!strcasecmp(s, "vertical"))
6768                 st = SWM_V_STACK;
6769         else if (!strcasecmp(s, "vertical_flip")) {
6770                 st = SWM_V_STACK;
6771                 f = 1;
6772         } else if (!strcasecmp(s, "horizontal"))
6773                 st = SWM_H_STACK;
6774         else if (!strcasecmp(s, "horizontal_flip")) {
6775                 st = SWM_H_STACK;
6776                 f = 1;
6777         } else if (!strcasecmp(s, "fullscreen"))
6778                 st = SWM_MAX_STACK;
6779         else
6780                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6781                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6782                     "<type>'");
6783
6784         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6785         for (i = 0; i < num_screens; i++) {
6786                 ws = (struct workspace *)&screens[i].ws;
6787                 ws[ws_id].cur_layout = &layouts[st];
6788
6789                 ws[ws_id].always_raise = ar;
6790                 if (st == SWM_MAX_STACK)
6791                         continue;
6792
6793                 /* master grow */
6794                 for (x = 0; x < abs(mg); x++) {
6795                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6796                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6797                             SWM_ARG_ID_MASTERSHRINK);
6798                         stack();
6799                 }
6800                 /* master add */
6801                 for (x = 0; x < abs(ma); x++) {
6802                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6803                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6804                             SWM_ARG_ID_MASTERDEL);
6805                         stack();
6806                 }
6807                 /* stack inc */
6808                 for (x = 0; x < abs(si); x++) {
6809                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6810                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6811                             SWM_ARG_ID_STACKDEC);
6812                         stack();
6813                 }
6814                 /* Apply flip */
6815                 if (f) {
6816                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6817                             SWM_ARG_ID_FLIPLAYOUT);
6818                         stack();
6819                 }
6820         }
6821
6822         focus_flush();
6823
6824         return (0);
6825 }
6826
6827 /* config options */
6828 struct config_option {
6829         char                    *optname;
6830         int                     (*func)(char*, char*, int);
6831         int                     funcflags;
6832 };
6833 struct config_option configopt[] = {
6834         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6835         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6836         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6837         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6838         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6839         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6840         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6841         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6842         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6843         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6844         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6845         { "keyboard_mapping",           setkeymapping,  0 },
6846         { "bind",                       setconfbinding, 0 },
6847         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6848         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6849         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6850         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6851         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6852         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6853         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6854         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6855         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6856         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6857         { "modkey",                     setconfmodkey,  0 },
6858         { "program",                    setconfspawn,   0 },
6859         { "quirk",                      setconfquirk,   0 },
6860         { "region",                     setconfregion,  0 },
6861         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6862         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6863         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6864         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6865         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6866         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6867         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6868         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6869         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6870         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6871         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6872         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6873         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6874         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6875         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6876         { "autorun",                    setautorun,     0 },
6877         { "layout",                     setlayout,      0 },
6878 };
6879
6880 int
6881 conf_load(const char *filename, int keymapping)
6882 {
6883         FILE                    *config;
6884         char                    *line, *cp, *optsub, *optval;
6885         size_t                  linelen, lineno = 0;
6886         int                     wordlen, i, optidx;
6887         struct config_option    *opt = NULL;
6888
6889         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6890
6891         if (filename == NULL) {
6892                 warnx("conf_load: no filename");
6893                 return (1);
6894         }
6895         if ((config = fopen(filename, "r")) == NULL) {
6896                 warn("conf_load: fopen: %s", filename);
6897                 return (1);
6898         }
6899
6900         while (!feof(config)) {
6901                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6902                     == NULL) {
6903                         if (ferror(config))
6904                                 err(1, "%s", filename);
6905                         else
6906                                 continue;
6907                 }
6908                 cp = line;
6909                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6910                 if (cp[0] == '\0') {
6911                         /* empty line */
6912                         free(line);
6913                         continue;
6914                 }
6915                 /* get config option */
6916                 wordlen = strcspn(cp, "=[ \t\n");
6917                 if (wordlen == 0) {
6918                         warnx("%s: line %zd: no option found",
6919                             filename, lineno);
6920                         goto out;
6921                 }
6922                 optidx = -1;
6923                 for (i = 0; i < LENGTH(configopt); i++) {
6924                         opt = &configopt[i];
6925                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6926                             (int)strlen(opt->optname) == wordlen) {
6927                                 optidx = i;
6928                                 break;
6929                         }
6930                 }
6931                 if (optidx == -1) {
6932                         warnx("%s: line %zd: unknown option %.*s",
6933                             filename, lineno, wordlen, cp);
6934                         goto out;
6935                 }
6936                 if (keymapping && opt && strcmp(opt->optname, "bind")) {
6937                         warnx("%s: line %zd: invalid option %.*s",
6938                             filename, lineno, wordlen, cp);
6939                         goto out;
6940                 }
6941                 cp += wordlen;
6942                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6943                 /* get [selector] if any */
6944                 optsub = NULL;
6945                 if (*cp == '[') {
6946                         cp++;
6947                         wordlen = strcspn(cp, "]");
6948                         if (*cp != ']') {
6949                                 if (wordlen == 0) {
6950                                         warnx("%s: line %zd: syntax error",
6951                                             filename, lineno);
6952                                         goto out;
6953                                 }
6954
6955                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6956                                     -1) {
6957                                         warnx("%s: line %zd: unable to allocate"
6958                                             "memory for selector", filename,
6959                                             lineno);
6960                                         goto out;
6961                                 }
6962                         }
6963                         cp += wordlen;
6964                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6965                 }
6966                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6967                 /* get RHS value */
6968                 optval = strdup(cp);
6969                 /* call function to deal with it all */
6970                 if (configopt[optidx].func(optsub, optval,
6971                     configopt[optidx].funcflags) != 0)
6972                         errx(1, "%s: line %zd: invalid data for %s",
6973                             filename, lineno, configopt[optidx].optname);
6974                 free(optval);
6975                 free(optsub);
6976                 free(line);
6977         }
6978
6979         fclose(config);
6980         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6981
6982         return (0);
6983
6984 out:
6985         free(line);
6986         fclose(config);
6987         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6988
6989         return (1);
6990 }
6991
6992 void
6993 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6994 {
6995         struct ws_win           *parent, *w;
6996         struct swm_region       *r;
6997         struct workspace        *ws;
6998         xcb_icccm_wm_hints_t    wmh;
6999
7000         parent = find_window(win->transient);
7001         if (parent)
7002                 parent->focus_child = win;
7003         else {
7004                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
7005                     " for 0x%x trans 0x%x\n", win->id, win->transient);
7006
7007                 r = root_to_region(win->wa->root, SWM_CK_ALL);
7008                 ws = r->ws;
7009                 /* parent doen't exist in our window list */
7010                 TAILQ_FOREACH(w, &ws->winlist, entry) {
7011                         if (xcb_icccm_get_wm_hints_reply(conn,
7012                             xcb_icccm_get_wm_hints(conn, w->id),
7013                             &wmh, NULL) != 1) {
7014                                 warnx("can't get hints for 0x%x", w->id);
7015                                 continue;
7016                         }
7017
7018                         if (win->hints.window_group != wmh.window_group)
7019                                 continue;
7020
7021                         w->focus_child = win;
7022                         win->transient = w->id;
7023                         *trans = w->id;
7024                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
7025                             "transient to 0x%x\n", win->transient);
7026                         break;
7027                 }
7028         }
7029 }
7030
7031 pid_t
7032 window_get_pid(xcb_window_t win)
7033 {
7034         pid_t                           ret = 0;
7035         const char                      *errstr;
7036         xcb_atom_t                      apid;
7037         xcb_get_property_cookie_t       pc;
7038         xcb_get_property_reply_t        *pr;
7039
7040         apid = get_atom_from_string("_NET_WM_PID");
7041         if (apid == XCB_ATOM_NONE)
7042                 goto tryharder;
7043
7044         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
7045         pr = xcb_get_property_reply(conn, pc, NULL);
7046         if (!pr)
7047                 goto tryharder;
7048         if (pr->type != XCB_ATOM_CARDINAL) {
7049                 free(pr);
7050                 goto tryharder;
7051         }
7052
7053         if (pr->type == apid && pr->format == 32)
7054                 ret = *((pid_t *)xcb_get_property_value(pr));
7055         free(pr);
7056
7057         return (ret);
7058
7059 tryharder:
7060         apid = get_atom_from_string("_SWM_PID");
7061         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
7062             0, SWM_PROPLEN);
7063         pr = xcb_get_property_reply(conn, pc, NULL);
7064         if (!pr)
7065                 return (0);
7066         if (pr->type != apid) {
7067                 free(pr);
7068                 return (0);
7069         }
7070
7071         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
7072         free(pr);
7073
7074         return (ret);
7075 }
7076
7077 int
7078 get_ws_idx(xcb_window_t id)
7079 {
7080         int                     ws_idx = -1;
7081         char                    *prop = NULL;
7082         size_t                  proplen;
7083         const char              *errstr;
7084         xcb_get_property_reply_t        *gpr;
7085
7086         gpr = xcb_get_property_reply(conn,
7087                 xcb_get_property(conn, 0, id, a_swm_ws,
7088                     XCB_ATOM_STRING, 0, SWM_PROPLEN),
7089                 NULL);
7090         if (!gpr)
7091                 return (-1);
7092         if (gpr->type) {
7093                 proplen = xcb_get_property_value_length(gpr);
7094                 if (proplen > 0) {
7095                         prop = malloc(proplen + 1);
7096                         if (prop) {
7097                                 memcpy(prop,
7098                                     xcb_get_property_value(gpr),
7099                                     proplen);
7100                                 prop[proplen] = '\0';
7101                         }
7102                 }
7103         }
7104         free(gpr);
7105
7106         if (prop) {
7107                 DNPRINTF(SWM_D_PROP, "get_ws_idx: _SWM_WS: %s\n", prop);
7108                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1, &errstr);
7109                 if (errstr) {
7110                         DNPRINTF(SWM_D_PROP, "get_ws_idx: window: #%s: %s",
7111                             errstr, prop);
7112                 }
7113                 free(prop);
7114         }
7115
7116         return ws_idx;
7117 }
7118
7119 struct ws_win *
7120 manage_window(xcb_window_t id, uint16_t mapped)
7121 {
7122         xcb_window_t            trans = XCB_WINDOW_NONE;
7123         struct ws_win           *win, *ww;
7124         int                     ws_idx;
7125         char                    ws_idx_str[SWM_PROPLEN];
7126         struct swm_region       *r;
7127         struct pid_e            *p;
7128         struct quirk            *qp;
7129         uint32_t                i, wa[2];
7130         xcb_icccm_get_wm_protocols_reply_t      wpr;
7131
7132         if ((win = find_window(id)) != NULL) {
7133                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x already "
7134                     "managed; skipping.)\n", id);
7135                 return (win);   /* Already managed. */
7136         }
7137
7138         /* See if window is on the unmanaged list. */
7139         if ((win = find_unmanaged_window(id)) != NULL) {
7140                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x found on "
7141                     "unmanaged list.\n", id);
7142                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
7143
7144                 if (win->transient)
7145                         set_child_transient(win, &trans);
7146
7147                 goto out;
7148         } else {
7149                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x is new.\n", id);
7150         }
7151
7152         /* Create and initialize ws_win object. */
7153         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
7154                 err(1, "manage_window: calloc: failed to allocate memory for "
7155                     "new window");
7156
7157         win->id = id;
7158
7159         /* Get window geometry. */
7160         win->wa = xcb_get_geometry_reply(conn,
7161             xcb_get_geometry(conn, win->id),
7162             NULL);
7163
7164         /* Figure out which region the window belongs to. */
7165         r = root_to_region(win->wa->root, SWM_CK_ALL);
7166
7167         /* Ignore window border if there is one. */
7168         WIDTH(win) = win->wa->width;
7169         HEIGHT(win) = win->wa->height;
7170         X(win) = win->wa->x + win->wa->border_width - border_width;
7171         Y(win) = win->wa->y + win->wa->border_width - border_width;
7172         win->bordered = 1;
7173         win->mapped = mapped;
7174         win->floatmaxed = 0;
7175         win->ewmh_flags = 0;
7176         win->s = r->s;  /* this never changes */
7177
7178         store_float_geom(win, r);
7179
7180         /* Get WM_SIZE_HINTS. */
7181         xcb_icccm_get_wm_normal_hints_reply(conn,
7182             xcb_icccm_get_wm_normal_hints(conn, win->id),
7183             &win->sh, NULL);
7184
7185         /* Get WM_HINTS. */
7186         xcb_icccm_get_wm_hints_reply(conn,
7187             xcb_icccm_get_wm_hints(conn, win->id),
7188             &win->hints, NULL);
7189
7190         /* Get WM_TRANSIENT_FOR; see if window is a transient. */
7191         xcb_icccm_get_wm_transient_for_reply(conn,
7192             xcb_icccm_get_wm_transient_for(conn, win->id),
7193             &trans, NULL);
7194         if (trans) {
7195                 win->transient = trans;
7196                 set_child_transient(win, &win->transient);
7197         }
7198
7199         /* Get supported protocols. */
7200         if (xcb_icccm_get_wm_protocols_reply(conn,
7201             xcb_icccm_get_wm_protocols(conn, win->id, a_prot),
7202             &wpr, NULL)) {
7203                 for (i = 0; i < wpr.atoms_len; i++) {
7204                         if (wpr.atoms[i] == a_takefocus)
7205                                 win->take_focus = 1;
7206                         if (wpr.atoms[i] == a_delete)
7207                                 win->can_delete = 1;
7208                 }
7209                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
7210         }
7211
7212         win->iconic = get_swm_iconic(win);
7213
7214         /* Figure out which workspace the window belongs to. */
7215         if ((p = find_pid(window_get_pid(win->id))) != NULL) {
7216                 win->ws = &r->s->ws[p->ws];
7217                 TAILQ_REMOVE(&pidlist, p, entry);
7218                 free(p);
7219                 p = NULL;
7220         } else if ((ws_idx = get_ws_idx(win->id)) != -1 &&
7221             !win->transient) {
7222                 /* _SWM_WS is set; use that. */
7223                 win->ws = &r->s->ws[ws_idx];
7224         } else if (trans && (ww = find_window(trans)) != NULL) {
7225                 /* Launch transients in the same ws as parent. */
7226                 win->ws = ww->ws;
7227         } else {
7228                 win->ws = r->ws;
7229         }
7230
7231         /* Set the _SWM_WS atom so we can remember this after reincarnation. */
7232         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", win->ws->idx) <
7233             SWM_PROPLEN) {
7234                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
7235                     ws_idx_str);
7236                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
7237                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
7238                     ws_idx_str);
7239         }
7240
7241         /* Handle EWMH */
7242         ewmh_autoquirk(win);
7243
7244         /* Determine initial quirks. */
7245         if (xcb_icccm_get_wm_class_reply(conn,
7246             xcb_icccm_get_wm_class(conn, win->id),
7247             &win->ch, NULL)) {
7248                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
7249                     win->ch.class_name, win->ch.instance_name);
7250
7251                 /* java is retarded so treat it special */
7252                 if (strstr(win->ch.instance_name, "sun-awt")) {
7253                         DNPRINTF(SWM_D_CLASS, "manage_window: java window "
7254                             "detected.\n");
7255                         win->java = 1;
7256                 }
7257
7258                 TAILQ_FOREACH(qp, &quirks, entry) {
7259                         if (!strcmp(win->ch.class_name, qp->class) &&
7260                             !strcmp(win->ch.instance_name, qp->name)) {
7261                                 DNPRINTF(SWM_D_CLASS, "manage_window: on quirks"
7262                                     "list; mask: 0x%lx\n", qp->quirk);
7263                                 if (qp->quirk & SWM_Q_FLOAT)
7264                                         win->floating = 1;
7265                                 win->quirks = qp->quirk;
7266                         }
7267                 }
7268         }
7269
7270         /* Alter window position if quirky */
7271         if (win->quirks & SWM_Q_ANYWHERE)
7272                 win->manual = 1;
7273
7274         /* Reset font sizes (the bruteforce way; no default keybinding). */
7275         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
7276                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7277                         fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
7278                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7279                         fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
7280         }
7281
7282         /* Make sure window is positioned inside its region, if its active. */
7283         if (win->ws->r) {
7284                 constrain_window(win, win->ws->r, 0);
7285                 update_window(win);
7286         }
7287
7288         /* Select which X events to monitor and set border pixel color. */
7289         wa[0] = win->s->c[SWM_S_COLOR_UNFOCUS].pixel;
7290         wa[1] = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_PROPERTY_CHANGE |
7291             XCB_EVENT_MASK_STRUCTURE_NOTIFY;
7292 #ifdef SWM_DEBUG
7293         wa[1] |= XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE;
7294 #endif
7295
7296         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL |
7297             XCB_CW_EVENT_MASK, wa);
7298
7299 out:
7300         /* Figure out where to stack the window in the workspace. */
7301         if (trans && (ww = find_window(trans)))
7302                 TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
7303         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
7304                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
7305                     entry);
7306         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
7307                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
7308         else switch (spawn_position) {
7309         default:
7310         case SWM_STACK_TOP:
7311         case SWM_STACK_ABOVE:
7312                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
7313                 break;
7314         case SWM_STACK_BOTTOM:
7315         case SWM_STACK_BELOW:
7316                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
7317         }
7318
7319         /* Get initial _NET_WM_STATE */
7320         ewmh_get_win_state(win);
7321         /* Set initial _NET_WM_ALLOWED_ACTIONS */
7322         ewmh_update_actions(win);
7323
7324         grabbuttons(win);
7325
7326         DNPRINTF(SWM_D_MISC, "manage_window: done. window: 0x%x, (x,y) w x h: "
7327             "(%d,%d) %d x %d, ws: %d, iconic: %s, transient: 0x%x\n", win->id,
7328             X(win), Y(win), WIDTH(win), HEIGHT(win), win->ws->idx,
7329             YESNO(win->iconic), win->transient);
7330
7331         return (win);
7332 }
7333
7334 void
7335 free_window(struct ws_win *win)
7336 {
7337         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
7338
7339         if (win == NULL)
7340                 return;
7341
7342         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
7343
7344         if (win->wa)
7345                 free(win->wa);
7346
7347         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
7348
7349         kill_refs(win);
7350
7351         /* paint memory */
7352         memset(win, 0xff, sizeof *win); /* XXX kill later */
7353
7354         free(win);
7355         DNPRINTF(SWM_D_MISC, "free_window: done.\n");
7356 }
7357
7358 void
7359 unmanage_window(struct ws_win *win)
7360 {
7361         struct ws_win           *parent;
7362
7363         if (win == NULL)
7364                 return;
7365
7366         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
7367
7368         if (win->transient) {
7369                 parent = find_window(win->transient);
7370                 if (parent)
7371                         parent->focus_child = NULL;
7372         }
7373
7374         TAILQ_REMOVE(&win->ws->winlist, win, entry);
7375         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
7376 }
7377
7378 void
7379 expose(xcb_expose_event_t *e)
7380 {
7381         int                     i, num_screens;
7382         struct swm_region       *r;
7383
7384         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
7385
7386         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7387         for (i = 0; i < num_screens; i++)
7388                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7389                         if (e->window == WINID(r->bar))
7390                                 bar_update();
7391
7392         xcb_flush(conn);
7393 }
7394
7395 #ifdef SWM_DEBUG
7396 void
7397 focusin(xcb_focus_in_event_t *e)
7398 {
7399         DNPRINTF(SWM_D_EVENT, "focusin: window: 0x%x, mode: %s(%u), "
7400             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
7401             e->mode, get_notify_detail_label(e->detail), e->detail);
7402 }
7403
7404 void
7405 focusout(xcb_focus_out_event_t *e)
7406 {
7407         DNPRINTF(SWM_D_EVENT, "focusout: window: 0x%x, mode: %s(%u), "
7408             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
7409             e->mode, get_notify_detail_label(e->detail), e->detail);
7410 }
7411 #endif
7412
7413 void
7414 keypress(xcb_key_press_event_t *e)
7415 {
7416         xcb_keysym_t            keysym;
7417         struct key              *kp;
7418
7419         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
7420
7421         DNPRINTF(SWM_D_EVENT, "keypress: %u %u\n", e->detail, keysym);
7422
7423         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
7424                 return;
7425
7426         last_event_time = e->time;
7427
7428         if (kp->funcid == KF_SPAWN_CUSTOM)
7429                 spawn_custom(root_to_region(e->root, SWM_CK_ALL),
7430                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
7431         else if (keyfuncs[kp->funcid].func)
7432                 keyfuncs[kp->funcid].func(root_to_region(e->root, SWM_CK_ALL),
7433                     &(keyfuncs[kp->funcid].args));
7434 }
7435
7436 void
7437 buttonpress(xcb_button_press_event_t *e)
7438 {
7439         struct ws_win           *win = NULL;
7440         struct swm_region       *r, *old_r;
7441         int                     i;
7442         int                     handled = 0;
7443
7444         DNPRINTF(SWM_D_EVENT, "buttonpress: win (x,y): 0x%x (%d,%d), "
7445             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
7446             "state: %u, same_screen: %s\n", e->event, e->event_x, e->event_y,
7447             e->detail, e->time, e->root, e->root_x, e->root_y, e->child,
7448             e->state, YESNO(e->same_screen));
7449
7450         if (e->event == e->root) {
7451                 if (e->child != 0) {
7452                         win = find_window(e->child);
7453                         /* Pass ButtonPress to window if it isn't managed. */
7454                         if (win == NULL)
7455                                 goto out;
7456                 } else {
7457                         /* Focus on empty region */
7458                         /* If no windows on region if its empty. */
7459                         r = root_to_region(e->root, SWM_CK_POINTER);
7460                         if (r == NULL) {
7461                                 DNPRINTF(SWM_D_EVENT, "buttonpress: "
7462                                     "NULL region; ignoring.\n");
7463                                 goto out;
7464                         }
7465
7466                         if (TAILQ_EMPTY(&r->ws->winlist)) {
7467                                 old_r = root_to_region(e->root, SWM_CK_FOCUS);
7468                                 if (old_r && old_r != r)
7469                                         unfocus_win(old_r->ws->focus);
7470
7471                                 xcb_set_input_focus(conn,
7472                                     XCB_INPUT_FOCUS_PARENT, e->root, e->time);
7473
7474                                 /* Clear bar since empty. */
7475                                 bar_update();
7476
7477                                 handled = 1;
7478                                 goto out;
7479                         }
7480                 }
7481         } else {
7482                 win = find_window(e->event);
7483         }
7484
7485         if (win == NULL)
7486                 return;
7487
7488         last_event_time = e->time;
7489
7490         focus_win(get_focus_magic(win));
7491
7492         for (i = 0; i < LENGTH(buttons); i++)
7493                 if (client_click == buttons[i].action && buttons[i].func &&
7494                     buttons[i].button == e->detail &&
7495                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state)) {
7496                         buttons[i].func(win, &buttons[i].args);
7497                         handled = 1;
7498                 }
7499
7500 out:
7501         if (!handled) {
7502                 DNPRINTF(SWM_D_EVENT, "buttonpress: passing to window.\n");
7503                 /* Replay event to event window */
7504                 xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, e->time);
7505         } else {
7506                 DNPRINTF(SWM_D_EVENT, "buttonpress: handled.\n");
7507                 /* Unfreeze grab events. */
7508                 xcb_allow_events(conn, XCB_ALLOW_SYNC_POINTER, e->time);
7509         }
7510
7511         xcb_flush(conn);
7512 }
7513
7514 #ifdef SWM_DEBUG
7515 void
7516 print_win_geom(xcb_window_t w)
7517 {
7518         xcb_get_geometry_reply_t        *wa;
7519
7520         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
7521
7522         if (!wa) {
7523                 DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: 0x%x\n",
7524                     w);
7525                 return;
7526         }
7527
7528         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
7529             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
7530             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
7531             wa->border_width);
7532
7533         free(wa);
7534 }
7535 #endif
7536
7537 #ifdef SWM_DEBUG
7538 char *
7539 get_stack_mode_name(uint8_t mode)
7540 {
7541         char    *name;
7542
7543         switch(mode) {
7544         case XCB_STACK_MODE_ABOVE:
7545                 name = "Above";
7546                 break;
7547         case XCB_STACK_MODE_BELOW:
7548                 name = "Below";
7549                 break;
7550         case XCB_STACK_MODE_TOP_IF:
7551                 name = "TopIf";
7552                 break;
7553         case XCB_STACK_MODE_BOTTOM_IF:
7554                 name = "BottomIf";
7555                 break;
7556         case XCB_STACK_MODE_OPPOSITE:
7557                 name = "Opposite";
7558                 break;
7559         default:
7560                 name = "Unknown";
7561         }
7562
7563         return name;
7564 }
7565 #endif
7566
7567 void
7568 configurerequest(xcb_configure_request_event_t *e)
7569 {
7570         struct ws_win           *win;
7571         struct swm_region       *r = NULL;
7572         int                     new = 0, i = 0;
7573         uint16_t                mask = 0;
7574         uint32_t                wc[7] = {0};
7575
7576         if ((win = find_window(e->window)) == NULL)
7577                 if ((win = find_unmanaged_window(e->window)) == NULL)
7578                         new = 1;
7579
7580 #ifdef SWM_DEBUG
7581         if (swm_debug & SWM_D_EVENT) {
7582                 print_win_geom(e->window);
7583
7584                 DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%x, "
7585                     "parent: 0x%x, new: %s, value_mask: %u { ", e->window,
7586                     e->parent, YESNO(new), e->value_mask);
7587                 if (e->value_mask & XCB_CONFIG_WINDOW_X)
7588                         DPRINTF("X: %d ", e->x);
7589                 if (e->value_mask & XCB_CONFIG_WINDOW_Y)
7590                         DPRINTF("Y: %d ", e->y);
7591                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
7592                         DPRINTF("W: %u ", e->width);
7593                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
7594                         DPRINTF("H: %u ", e->height);
7595                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
7596                         DPRINTF("Border: %u ", e->border_width);
7597                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING)
7598                         DPRINTF("Sibling: 0x%x ", e->sibling);
7599                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE)
7600                         DPRINTF("StackMode: %s(%u) ",
7601                             get_stack_mode_name(e->stack_mode), e->stack_mode);
7602                 DPRINTF("}\n");
7603         }
7604 #endif
7605
7606         if (new) {
7607                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
7608                         mask |= XCB_CONFIG_WINDOW_X;
7609                         wc[i++] = e->x;
7610                 }
7611                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
7612                         mask |= XCB_CONFIG_WINDOW_Y;
7613                         wc[i++] = e->y;
7614                 }
7615                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
7616                         mask |= XCB_CONFIG_WINDOW_WIDTH;
7617                         wc[i++] = e->width;
7618                 }
7619                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
7620                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
7621                         wc[i++] = e->height;
7622                 }
7623                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
7624                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
7625                         wc[i++] = e->border_width;
7626                 }
7627                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
7628                         mask |= XCB_CONFIG_WINDOW_SIBLING;
7629                         wc[i++] = e->sibling;
7630                 }
7631                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
7632                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
7633                         wc[i++] = e->stack_mode;
7634                 }
7635
7636                 if (mask != 0) {
7637                         xcb_configure_window(conn, e->window, mask, wc);
7638                         xcb_flush(conn);
7639                 }
7640         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
7641             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
7642                 if (win->ws->r)
7643                         r = win->ws->r;
7644                 else if (win->ws->old_r)
7645                         r = win->ws->old_r;
7646
7647                 /* windows are centered unless ANYWHERE quirk is set. */
7648                 if (win->quirks & SWM_Q_ANYWHERE) {
7649                         if (e->value_mask & XCB_CONFIG_WINDOW_X) {
7650                                 win->g_float.x = e->x;
7651                                 if (r)
7652                                         win->g_float.x -= X(r);
7653                         }
7654
7655                         if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
7656                                 win->g_float.y = e->y;
7657                                 if (r)
7658                                         win->g_float.y -= Y(r);
7659                         }
7660                 }
7661
7662                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
7663                         win->g_float.w = e->width;
7664
7665                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
7666                         win->g_float.h = e->height;
7667
7668                 win->g_floatvalid = 1;
7669
7670                 if (win->floating && r && (win->transient ||
7671                     win->ws->cur_layout != &layouts[SWM_MAX_STACK])) {
7672                         WIDTH(win) = win->g_float.w;
7673                         HEIGHT(win) = win->g_float.h;
7674
7675                         if (r) {
7676                                 stack_floater(win, r);
7677                                 focus_flush();
7678                         }
7679                 } else {
7680                         config_win(win, e);
7681                         xcb_flush(conn);
7682                 }
7683         } else {
7684                 config_win(win, e);
7685                 xcb_flush(conn);
7686         }
7687
7688         DNPRINTF(SWM_D_EVENT, "configurerequest: done.\n");
7689 }
7690
7691 void
7692 configurenotify(xcb_configure_notify_event_t *e)
7693 {
7694         struct ws_win           *win;
7695
7696         DNPRINTF(SWM_D_EVENT, "configurenotify: win 0x%x, event win: 0x%x, "
7697             "(x,y) WxH: (%d,%d) %ux%u, border: %u, above_sibling: 0x%x, "
7698             "override_redirect: %s\n", e->window, e->event, e->x, e->y,
7699             e->width, e->height, e->border_width, e->above_sibling,
7700             YESNO(e->override_redirect));
7701
7702         win = find_window(e->window);
7703         if (win) {
7704                 xcb_icccm_get_wm_normal_hints_reply(conn,
7705                     xcb_icccm_get_wm_normal_hints(conn, win->id),
7706                     &win->sh, NULL);
7707                 adjust_font(win);
7708                 if (font_adjusted) {
7709                         stack();
7710                         xcb_flush(conn);
7711                 }
7712         }
7713 }
7714
7715 void
7716 destroynotify(xcb_destroy_notify_event_t *e)
7717 {
7718         struct ws_win           *win;
7719
7720         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
7721
7722         if ((win = find_window(e->window)) == NULL) {
7723                 if ((win = find_unmanaged_window(e->window)) == NULL)
7724                         return;
7725                 free_window(win);
7726                 return;
7727         }
7728
7729         if (focus_mode != SWM_FOCUS_FOLLOW) {
7730                 /* If we were focused, make sure we focus on something else. */
7731                 if (win == win->ws->focus)
7732                         win->ws->focus_pending = get_focus_prev(win);
7733         }
7734
7735         unmanage_window(win);
7736         stack();
7737
7738         if (focus_mode != SWM_FOCUS_FOLLOW) {
7739                 if (win->ws->focus_pending) {
7740                         focus_win(win->ws->focus_pending);
7741                         win->ws->focus_pending = NULL;
7742                 }
7743         }
7744
7745         free_window(win);
7746
7747         focus_flush();
7748 }
7749
7750 #ifdef SWM_DEBUG
7751 char *
7752 get_notify_detail_label(uint8_t detail)
7753 {
7754         char *label;
7755
7756         switch (detail) {
7757         case XCB_NOTIFY_DETAIL_ANCESTOR:
7758                 label = "Ancestor";
7759                 break;
7760         case XCB_NOTIFY_DETAIL_VIRTUAL:
7761                 label = "Virtual";
7762                 break;
7763         case XCB_NOTIFY_DETAIL_INFERIOR:
7764                 label = "Inferior";
7765                 break;
7766         case XCB_NOTIFY_DETAIL_NONLINEAR:
7767                 label = "Nonlinear";
7768                 break;
7769         case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
7770                 label = "NonlinearVirtual";
7771                 break;
7772         case XCB_NOTIFY_DETAIL_POINTER:
7773                 label = "Pointer";
7774                 break;
7775         case XCB_NOTIFY_DETAIL_POINTER_ROOT:
7776                 label = "PointerRoot";
7777                 break;
7778         case XCB_NOTIFY_DETAIL_NONE:
7779                 label = "None";
7780                 break;
7781         default:
7782                 label = "Unknown";
7783         }
7784
7785         return label;
7786 }
7787
7788 char *
7789 get_notify_mode_label(uint8_t mode)
7790 {
7791         char *label;
7792
7793         switch (mode) {
7794         case XCB_NOTIFY_MODE_NORMAL:
7795                 label = "Normal";
7796                 break;
7797         case XCB_NOTIFY_MODE_GRAB:
7798                 label = "Grab";
7799                 break;
7800         case XCB_NOTIFY_MODE_UNGRAB:
7801                 label = "Ungrab";
7802                 break;
7803         case XCB_NOTIFY_MODE_WHILE_GRABBED:
7804                 label = "WhileGrabbed";
7805                 break;
7806         default:
7807                 label = "Unknown";
7808         }
7809
7810         return label;
7811 }
7812 #endif
7813
7814 void
7815 enternotify(xcb_enter_notify_event_t *e)
7816 {
7817         struct ws_win           *win;
7818         struct swm_region       *old_r, *r;
7819
7820         DNPRINTF(SWM_D_FOCUS, "enternotify: time: %u, win (x,y): 0x%x "
7821             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
7822             "child: 0x%x, same_screen_focus: %s, state: %d\n",
7823             e->time, e->event, e->event_x, e->event_y,
7824             get_notify_mode_label(e->mode), e->mode,
7825             get_notify_detail_label(e->detail), e->detail,
7826             e->root, e->root_x, e->root_y, e->child,
7827             YESNO(e->same_screen_focus), e->state);
7828
7829         if (focus_mode == SWM_FOCUS_MANUAL &&
7830             e->mode == XCB_NOTIFY_MODE_NORMAL) {
7831                 DNPRINTF(SWM_D_EVENT, "enternotify: manual focus; ignoring.\n");
7832                 return;
7833         }
7834
7835         last_event_time = e->time;
7836
7837         if ((win = find_window(e->event)) == NULL) {
7838                 if (e->event == e->root) {
7839                         /* If no windows on pointer region, then focus root. */
7840                         r = root_to_region(e->root, SWM_CK_POINTER);
7841                         if (r == NULL) {
7842                                 DNPRINTF(SWM_D_EVENT, "enterntoify: "
7843                                     "NULL region; ignoring.\n");
7844                                 return;
7845                         }
7846
7847                         if (TAILQ_EMPTY(&r->ws->winlist)) {
7848                                 old_r = root_to_region(e->root, SWM_CK_FOCUS);
7849                                 if (old_r && old_r != r)
7850                                         unfocus_win(old_r->ws->focus);
7851
7852                                 xcb_set_input_focus(conn,
7853                                     XCB_INPUT_FOCUS_PARENT, e->root, e->time);
7854
7855                                 /* Clear bar since empty. */
7856                                 bar_update();
7857
7858                                 focus_flush();
7859                         }
7860                 } else {
7861                         DNPRINTF(SWM_D_EVENT, "enternotify: window is NULL; "
7862                             "ignoring\n");
7863                 }
7864                 return;
7865         }
7866
7867         focus_win(get_focus_magic(win));
7868
7869         xcb_flush(conn);
7870 }
7871
7872 #ifdef SWM_DEBUG
7873 void
7874 leavenotify(xcb_leave_notify_event_t *e)
7875 {
7876         DNPRINTF(SWM_D_FOCUS, "leavenotify: time: %u, win (x,y): 0x%x "
7877             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
7878             "child: 0x%x, same_screen_focus: %s, state: %d\n",
7879             e->time, e->event, e->event_x, e->event_y,
7880             get_notify_mode_label(e->mode), e->mode,
7881             get_notify_detail_label(e->detail), e->detail,
7882             e->root, e->root_x, e->root_y, e->child,
7883             YESNO(e->same_screen_focus), e->state);
7884 }
7885 #endif
7886
7887 void
7888 mapnotify(xcb_map_notify_event_t *e)
7889 {
7890         struct ws_win           *win;
7891
7892         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
7893
7894         if ((win = find_window(e->window)) == NULL)
7895                 win = manage_window(e->window, 1);
7896
7897         win->mapped = 1;
7898         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
7899
7900         if (focus_mode != SWM_FOCUS_FOLLOW) {
7901                 if (win->ws->focus_pending == win) {
7902                         focus_win(win);
7903                         win->ws->focus_pending = NULL;
7904                         focus_flush();
7905                 }
7906         }
7907
7908         xcb_flush(conn);
7909 }
7910
7911 void
7912 mappingnotify(xcb_mapping_notify_event_t *e)
7913 {
7914         xcb_refresh_keyboard_mapping(syms, e);
7915
7916         if (e->request == XCB_MAPPING_KEYBOARD)
7917                 grabkeys();
7918 }
7919
7920 void
7921 maprequest(xcb_map_request_event_t *e)
7922 {
7923         struct ws_win           *win;
7924         xcb_get_window_attributes_reply_t *war;
7925
7926         DNPRINTF(SWM_D_EVENT, "maprequest: win 0x%x\n",
7927             e->window);
7928
7929         war = xcb_get_window_attributes_reply(conn,
7930             xcb_get_window_attributes(conn, e->window),
7931             NULL);
7932         if (war == NULL) {
7933                 DNPRINTF(SWM_D_EVENT, "maprequest: window lost.\n");
7934                 goto out;
7935         }
7936
7937         if (war->override_redirect) {
7938                 DNPRINTF(SWM_D_EVENT, "maprequest: override_redirect; "
7939                     "skipping.\n");
7940                 goto out;
7941         }
7942
7943         win = manage_window(e->window,
7944             (war->map_state == XCB_MAP_STATE_VIEWABLE));
7945
7946         /* The new window should get focus; prepare. */
7947         if (focus_mode != SWM_FOCUS_FOLLOW)
7948                 win->ws->focus_pending = get_focus_magic(win);
7949
7950         /* All windows need to be mapped if they are in the current workspace.*/
7951         if (win->ws->r)
7952                 stack();
7953
7954         /* Ignore EnterNotify to handle the mapnotify without interference. */
7955         if (focus_mode == SWM_FOCUS_DEFAULT)
7956                 event_drain(XCB_ENTER_NOTIFY);
7957 out:
7958         free(war);
7959         DNPRINTF(SWM_D_EVENT, "maprequest: done.\n");
7960 }
7961
7962 #ifdef SWM_DEBUG
7963 char *
7964 get_atom_name(xcb_atom_t atom)
7965 {
7966         char                            *name = NULL;
7967 #if 0
7968         /*
7969          * This should be disabled during most debugging since
7970          * xcb_get_* causes an xcb_flush.
7971          */
7972         size_t                          len;
7973         xcb_get_atom_name_reply_t       *r;
7974
7975         r = xcb_get_atom_name_reply(conn,
7976             xcb_get_atom_name(conn, atom),
7977             NULL);
7978         if (r) {
7979                 len = xcb_get_atom_name_name_length(r);
7980                 if (len > 0) {
7981                         name = malloc(len + 1);
7982                         if (name) {
7983                                 memcpy(name, xcb_get_atom_name_name(r), len);
7984                                 name[len] = '\0';
7985                         }
7986                 }
7987                 free(r);
7988         }
7989 #else
7990         (void)atom;
7991 #endif
7992         return (name);
7993 }
7994 #endif
7995
7996 void
7997 propertynotify(xcb_property_notify_event_t *e)
7998 {
7999         struct ws_win           *win;
8000 #ifdef SWM_DEBUG
8001         char                    *name;
8002
8003         name = get_atom_name(e->atom);
8004         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u), "
8005             "time: %#x, state: %u\n", e->window, name, e->atom, e->time,
8006             e->state);
8007         free(name);
8008 #endif
8009         win = find_window(e->window);
8010         if (win == NULL)
8011                 return;
8012
8013         last_event_time = e->time;
8014
8015         if (e->atom == a_swm_iconic) {
8016                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8017                         if (focus_mode != SWM_FOCUS_FOLLOW)
8018                                 win->ws->focus_pending = get_focus_prev(win);
8019
8020                         unfocus_win(win);
8021                         unmap_window(win);
8022
8023                         if (win->ws->r) {
8024                                 stack();
8025                                 if (focus_mode != SWM_FOCUS_FOLLOW) {
8026                                         focus_win(win->ws->focus_pending);
8027                                         win->ws->focus_pending = NULL;
8028                                 }
8029                                 focus_flush();
8030                         }
8031                 } else if (e->state == XCB_PROPERTY_DELETE) {
8032                         /* The window is no longer iconic, restack ws. */
8033                         if (focus_mode != SWM_FOCUS_FOLLOW)
8034                                 win->ws->focus_pending = get_focus_magic(win);
8035
8036                         stack();
8037
8038                         /* Flush EnterNotify for mapnotify, if needed. */
8039                         focus_flush();
8040                 }
8041         } else if (e->atom == a_state) {
8042                 /* State just changed, make sure it gets focused if mapped. */
8043                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8044                         if (focus_mode != SWM_FOCUS_FOLLOW) {
8045                                 if (win->mapped &&
8046                                     win->ws->focus_pending == win) {
8047                                         focus_win(win->ws->focus_pending);
8048                                         win->ws->focus_pending = NULL;
8049                                 }
8050                         }
8051                 }
8052         } else if (e->atom == XCB_ATOM_WM_CLASS ||
8053             e->atom == XCB_ATOM_WM_NAME) {
8054                 bar_update();
8055         }
8056
8057         xcb_flush(conn);
8058 }
8059
8060 void
8061 unmapnotify(xcb_unmap_notify_event_t *e)
8062 {
8063         struct ws_win           *win;
8064         struct workspace        *ws;
8065
8066         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
8067
8068         /* If we aren't managing the window, then ignore. */
8069         win = find_window(e->window);
8070         if (win == NULL)
8071                 return;
8072
8073         ws = win->ws;
8074
8075         if (getstate(e->window) != XCB_ICCCM_WM_STATE_ICONIC)
8076                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8077
8078         if (win->mapped) {
8079                 /* window unmapped itself */
8080                 /* do unmap/unfocus/restack and unmanage */
8081                 win->mapped = 0;
8082
8083                 /* If win was focused, make sure to focus on something else. */
8084                 if (win == ws->focus) {
8085                         if (focus_mode != SWM_FOCUS_FOLLOW) {
8086                                 ws->focus_pending = get_focus_prev(win);
8087                                 DNPRINTF(SWM_D_EVENT, "unmapnotify: "
8088                                     "focus_pending: 0x%x\n",
8089                                     WINID(ws->focus_pending));
8090                         }
8091
8092                         unfocus_win(win);
8093                 }
8094
8095                 unmanage_window(win);
8096
8097                 if (ws->r)
8098                         stack();
8099
8100                 if (focus_mode == SWM_FOCUS_FOLLOW) {
8101                         if (ws->r)
8102                                 focus_win(get_pointer_win(ws->r->s->root));
8103                 } else {
8104                         if (ws->focus_pending) {
8105                                 focus_win(ws->focus_pending);
8106                                 ws->focus_pending = NULL;
8107                         }
8108                 }
8109         }
8110
8111         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL)
8112                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8113
8114         focus_flush();
8115 }
8116
8117 #if 0
8118 void
8119 visibilitynotify(xcb_visibility_notify_event_t *e)
8120 {
8121         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
8122             e->window);
8123 }
8124 #endif
8125
8126 void
8127 clientmessage(xcb_client_message_event_t *e)
8128 {
8129         struct ws_win *win;
8130         xcb_map_request_event_t mre;
8131 #ifdef SWM_DEBUG
8132         char                    *name;
8133
8134         name = get_atom_name(e->type);
8135         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
8136             e->window, name, e->type);
8137         free(name);
8138 #endif
8139         win = find_window(e->window);
8140
8141         if (win == NULL) {
8142                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8143                         /* Manage the window with maprequest. */
8144                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
8145                             "unmanaged window.\n");
8146                         mre.window = e->window;
8147                         maprequest(&mre);
8148                 }
8149                 return;
8150         }
8151
8152         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8153                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
8154                 focus_win(win);
8155         }
8156         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
8157                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
8158                 if (win->can_delete)
8159                         client_msg(win, a_delete, 0);
8160                 else
8161                         xcb_kill_client(conn, win->id);
8162         }
8163         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
8164                 DNPRINTF(SWM_D_EVENT,
8165                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
8166                 if (win->floating) {
8167                         if (e->data.data32[0] & (1<<8)) /* x */
8168                                 X(win) = e->data.data32[1];
8169                         if (e->data.data32[0] & (1<<9)) /* y */
8170                                 Y(win) = e->data.data32[2];
8171                         if (e->data.data32[0] & (1<<10)) /* width */
8172                                 WIDTH(win) = e->data.data32[3];
8173                         if (e->data.data32[0] & (1<<11)) /* height */
8174                                 HEIGHT(win) = e->data.data32[4];
8175
8176                         update_window(win);
8177                 }
8178                 else {
8179                         /* TODO: Change stack sizes */
8180                         /* notify no change was made. */
8181                         config_win(win, NULL);
8182                 }
8183         }
8184         if (e->type == ewmh[_NET_WM_STATE].atom) {
8185                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
8186                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
8187                 if (e->data.data32[2])
8188                         ewmh_update_win_state(win, e->data.data32[2],
8189                             e->data.data32[0]);
8190
8191                 stack();
8192         }
8193
8194         focus_flush();
8195 }
8196
8197 void
8198 check_conn(void)
8199 {
8200         int      errcode = xcb_connection_has_error(conn);
8201 #ifdef XCB_CONN_ERROR
8202         char    *s;
8203         switch (errcode) {
8204         case XCB_CONN_ERROR:
8205                 s = "Socket error, pipe error or other stream error.";
8206                 break;
8207         case XCB_CONN_CLOSED_EXT_NOTSUPPORTED:
8208                 s = "Extension not supported.";
8209                 break;
8210         case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
8211                 s = "Insufficient memory.";
8212                 break;
8213         case XCB_CONN_CLOSED_REQ_LEN_EXCEED:
8214                 s = "Request length was exceeded.";
8215                 break;
8216         case XCB_CONN_CLOSED_PARSE_ERR:
8217                 s = "Error parsing display string.";
8218                 break;
8219         default:
8220                 s = "Unknown error.";
8221         }
8222         if (errcode)
8223                 errx(errcode, "X CONNECTION ERROR: %s", s);
8224 #else
8225         if (errcode)
8226                 errx(errcode, "X CONNECTION ERROR");
8227 #endif
8228 }
8229
8230 int
8231 enable_wm(void)
8232 {
8233         int                     num_screens, i;
8234         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
8235             XCB_EVENT_MASK_ENTER_WINDOW;
8236         xcb_screen_t            *sc;
8237         xcb_void_cookie_t       wac;
8238         xcb_generic_error_t     *error;
8239
8240         /* this causes an error if some other window manager is running */
8241         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8242         for (i = 0; i < num_screens; i++) {
8243                 if ((sc = get_screen(i)) == NULL)
8244                         errx(1, "ERROR: can't get screen %d.", i);
8245                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
8246                     i, sc->root);
8247                 wac = xcb_change_window_attributes_checked(conn, sc->root,
8248                     XCB_CW_EVENT_MASK, &val);
8249                 if ((error = xcb_request_check(conn, wac))) {
8250                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
8251                             error->error_code);
8252                         free(error);
8253                         return 1;
8254                 }
8255
8256                 /* click to focus on empty region */
8257                 xcb_grab_button(conn, 1, sc->root, BUTTONMASK,
8258                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
8259                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_1, XCB_BUTTON_MASK_ANY);
8260         }
8261
8262         return 0;
8263 }
8264
8265 void
8266 new_region(struct swm_screen *s, int x, int y, int w, int h)
8267 {
8268         struct swm_region       *r, *n;
8269         struct workspace        *ws = NULL;
8270         int                     i;
8271
8272         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
8273              s->idx, w, h, x, y);
8274
8275         /* remove any conflicting regions */
8276         n = TAILQ_FIRST(&s->rl);
8277         while (n) {
8278                 r = n;
8279                 n = TAILQ_NEXT(r, entry);
8280                 if (X(r) < (x + w) &&
8281                     (X(r) + WIDTH(r)) > x &&
8282                     Y(r) < (y + h) &&
8283                     (Y(r) + HEIGHT(r)) > y) {
8284                         if (r->ws->r != NULL)
8285                                 r->ws->old_r = r->ws->r;
8286                         r->ws->r = NULL;
8287                         bar_cleanup(r);
8288                         TAILQ_REMOVE(&s->rl, r, entry);
8289                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
8290                 }
8291         }
8292
8293         /* search old regions for one to reuse */
8294
8295         /* size + location match */
8296         TAILQ_FOREACH(r, &s->orl, entry)
8297                 if (X(r) == x && Y(r) == y &&
8298                     HEIGHT(r) == h && WIDTH(r) == w)
8299                         break;
8300
8301         /* size match */
8302         TAILQ_FOREACH(r, &s->orl, entry)
8303                 if (HEIGHT(r) == h && WIDTH(r) == w)
8304                         break;
8305
8306         if (r != NULL) {
8307                 TAILQ_REMOVE(&s->orl, r, entry);
8308                 /* try to use old region's workspace */
8309                 if (r->ws->r == NULL)
8310                         ws = r->ws;
8311         } else
8312                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
8313                         err(1, "new_region: calloc: failed to allocate memory "
8314                             "for screen");
8315
8316         /* if we don't have a workspace already, find one */
8317         if (ws == NULL) {
8318                 for (i = 0; i < workspace_limit; i++)
8319                         if (s->ws[i].r == NULL) {
8320                                 ws = &s->ws[i];
8321                                 break;
8322                         }
8323         }
8324
8325         if (ws == NULL)
8326                 errx(1, "new_region: no free workspaces");
8327
8328         X(r) = x;
8329         Y(r) = y;
8330         WIDTH(r) = w;
8331         HEIGHT(r) = h;
8332         r->s = s;
8333         r->ws = ws;
8334         r->ws_prior = NULL;
8335         ws->r = r;
8336         outputs++;
8337         TAILQ_INSERT_TAIL(&s->rl, r, entry);
8338 }
8339
8340 void
8341 scan_xrandr(int i)
8342 {
8343 #ifdef SWM_XRR_HAS_CRTC
8344         int                                             c;
8345         int                                             ncrtc = 0;
8346 #endif /* SWM_XRR_HAS_CRTC */
8347         struct swm_region                               *r;
8348         int                                             num_screens;
8349         xcb_randr_get_screen_resources_current_cookie_t src;
8350         xcb_randr_get_screen_resources_current_reply_t  *srr;
8351         xcb_randr_get_crtc_info_cookie_t                cic;
8352         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
8353         xcb_randr_crtc_t                                *crtc;
8354         xcb_screen_t                                    *screen;
8355
8356         DNPRINTF(SWM_D_MISC, "scan_xrandr: screen: %d\n", i);
8357
8358         if ((screen = get_screen(i)) == NULL)
8359                 errx(1, "ERROR: can't get screen %d.", i);
8360
8361         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8362         if (i >= num_screens)
8363                 errx(1, "scan_xrandr: invalid screen");
8364
8365         /* remove any old regions */
8366         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
8367                 r->ws->old_r = r->ws->r = NULL;
8368                 bar_cleanup(r);
8369                 TAILQ_REMOVE(&screens[i].rl, r, entry);
8370                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
8371         }
8372         outputs = 0;
8373
8374         /* map virtual screens onto physical screens */
8375 #ifdef SWM_XRR_HAS_CRTC
8376         if (xrandr_support) {
8377                 src = xcb_randr_get_screen_resources_current(conn,
8378                     screens[i].root);
8379                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
8380                     NULL);
8381                 if (srr == NULL) {
8382                         new_region(&screens[i], 0, 0,
8383                             screen->width_in_pixels,
8384                             screen->height_in_pixels);
8385                         goto out;
8386                 } else
8387                         ncrtc = srr->num_crtcs;
8388
8389                 crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
8390                 for (c = 0; c < ncrtc; c++) {
8391                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
8392                             XCB_CURRENT_TIME);
8393                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
8394                         if (cir == NULL)
8395                                 continue;
8396                         if (cir->num_outputs == 0) {
8397                                 free(cir);
8398                                 continue;
8399                         }
8400
8401                         if (cir->mode == 0)
8402                                 new_region(&screens[i], 0, 0,
8403                                     screen->width_in_pixels,
8404                                     screen->height_in_pixels);
8405                         else
8406                                 new_region(&screens[i],
8407                                     cir->x, cir->y, cir->width, cir->height);
8408                         free(cir);
8409                 }
8410                 free(srr);
8411         }
8412 #endif /* SWM_XRR_HAS_CRTC */
8413
8414         /* If detection failed, create a single region that spans the screen. */
8415         if (TAILQ_EMPTY(&screens[i].rl))
8416                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
8417                     screen->height_in_pixels);
8418
8419 out:
8420         DNPRINTF(SWM_D_MISC, "scan_xrandr: done.\n");
8421 }
8422
8423 void
8424 screenchange(xcb_randr_screen_change_notify_event_t *e)
8425 {
8426         struct swm_region               *r;
8427         int                             i, num_screens;
8428
8429         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
8430
8431         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8432         /* silly event doesn't include the screen index */
8433         for (i = 0; i < num_screens; i++)
8434                 if (screens[i].root == e->root)
8435                         break;
8436         if (i >= num_screens)
8437                 errx(1, "screenchange: screen not found");
8438
8439         /* brute force for now, just re-enumerate the regions */
8440         scan_xrandr(i);
8441
8442 #ifdef SWM_DEBUG
8443         print_win_geom(e->root);
8444 #endif
8445         /* add bars to all regions */
8446         for (i = 0; i < num_screens; i++)
8447                 TAILQ_FOREACH(r, &screens[i].rl, entry)
8448                         bar_setup(r);
8449         stack();
8450 }
8451
8452 void
8453 grab_windows(void)
8454 {
8455         xcb_window_t            *wins = NULL, trans;
8456         int                     no;
8457         int                     i, j, num_screens;
8458         uint16_t                state, manage, mapped;
8459
8460         xcb_query_tree_cookie_t                 qtc;
8461         xcb_query_tree_reply_t                  *qtr;
8462         xcb_get_window_attributes_cookie_t      c;
8463         xcb_get_window_attributes_reply_t       *r;
8464         xcb_get_property_cookie_t               pc;
8465
8466         DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
8467         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8468         for (i = 0; i < num_screens; i++) {
8469                 qtc = xcb_query_tree(conn, screens[i].root);
8470                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
8471                 if (!qtr)
8472                         continue;
8473                 wins = xcb_query_tree_children(qtr);
8474                 no = xcb_query_tree_children_length(qtr);
8475                 /* attach windows to a region */
8476                 /* normal windows */
8477                 DNPRINTF(SWM_D_INIT, "grab_windows: grab top level windows.\n");
8478                 for (j = 0; j < no; j++) {
8479                         c = xcb_get_window_attributes(conn, wins[j]);
8480                         r = xcb_get_window_attributes_reply(conn, c, NULL);
8481                         if (!r) {
8482                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8483                                     "doesn't exist.\n", wins[j]);
8484                                 continue;
8485                         }
8486                         if (r->override_redirect) {
8487                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8488                                     "override_redirect set.\n", wins[j]);
8489                                 free(r);
8490                                 continue;
8491                         }
8492
8493                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
8494                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
8495                             &trans, NULL)) {
8496                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8497                                     "is transient for %#x.\n", wins[j], trans);
8498                                 free(r);
8499                                 continue;
8500                         }
8501
8502                         state = getstate(wins[j]);
8503                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
8504                         mapped = r->map_state != XCB_MAP_STATE_UNMAPPED;
8505                         if (mapped || manage)
8506                                 manage_window(wins[j], mapped);
8507                         free(r);
8508                 }
8509                 /* transient windows */
8510                 DNPRINTF(SWM_D_INIT, "grab_windows: grab transient windows.\n");
8511                 for (j = 0; j < no; j++) {
8512                         c = xcb_get_window_attributes(conn, wins[j]);
8513                         r = xcb_get_window_attributes_reply(conn, c, NULL);
8514                         if (!r) {
8515                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8516                                     "doesn't exist.\n", wins[j]);
8517                                 continue;
8518                         }
8519                         if (r->override_redirect) {
8520                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8521                                     "override_redirect set.\n", wins[j]);
8522                                 free(r);
8523                                 continue;
8524                         }
8525
8526                         state = getstate(wins[j]);
8527                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
8528                         mapped = r->map_state != XCB_MAP_STATE_UNMAPPED;
8529                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
8530                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
8531                             &trans, NULL) && manage)
8532                                 manage_window(wins[j], mapped);
8533                         free(r);
8534                 }
8535                 free(qtr);
8536         }
8537         DNPRINTF(SWM_D_INIT, "grab_windows: done.\n");
8538 }
8539
8540 void
8541 setup_screens(void)
8542 {
8543         int                     i, j, k, num_screens;
8544         struct workspace        *ws;
8545         uint32_t                gcv[1], wa[1];
8546         const xcb_query_extension_reply_t *qep;
8547         xcb_screen_t                            *screen;
8548         xcb_randr_query_version_cookie_t        c;
8549         xcb_randr_query_version_reply_t         *r;
8550
8551         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8552         if ((screens = calloc(num_screens,
8553              sizeof(struct swm_screen))) == NULL)
8554                 err(1, "setup_screens: calloc: failed to allocate memory for "
8555                     "screens");
8556
8557         /* initial Xrandr setup */
8558         xrandr_support = 0;
8559         qep = xcb_get_extension_data(conn, &xcb_randr_id);
8560         if (qep->present) {
8561                 c = xcb_randr_query_version(conn, 1, 1);
8562                 r = xcb_randr_query_version_reply(conn, c, NULL);
8563                 if (r) {
8564                         if (r->major_version >= 1) {
8565                                 xrandr_support = 1;
8566                                 xrandr_eventbase = qep->first_event;
8567                         }
8568                         free(r);
8569                 }
8570         }
8571
8572         wa[0] = cursors[XC_LEFT_PTR].cid;
8573
8574         /* map physical screens */
8575         for (i = 0; i < num_screens; i++) {
8576                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
8577                 screens[i].idx = i;
8578                 TAILQ_INIT(&screens[i].rl);
8579                 TAILQ_INIT(&screens[i].orl);
8580                 if ((screen = get_screen(i)) == NULL)
8581                         errx(1, "ERROR: can't get screen %d.", i);
8582                 screens[i].root = screen->root;
8583
8584                 /* set default colors */
8585                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
8586                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
8587                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
8588                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
8589                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
8590
8591                 /* create graphics context on screen */
8592                 screens[i].bar_gc = xcb_generate_id(conn);
8593                 gcv[0] = 0;
8594                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
8595                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
8596
8597                 /* set default cursor */
8598                 xcb_change_window_attributes(conn, screens[i].root,
8599                     XCB_CW_CURSOR, wa);
8600
8601                 /* init all workspaces */
8602                 /* XXX these should be dynamically allocated too */
8603                 for (j = 0; j < SWM_WS_MAX; j++) {
8604                         ws = &screens[i].ws[j];
8605                         ws->idx = j;
8606                         ws->name = NULL;
8607                         ws->focus = NULL;
8608                         ws->focus_prev = NULL;
8609                         ws->focus_pending = NULL;
8610                         ws->r = NULL;
8611                         ws->old_r = NULL;
8612                         TAILQ_INIT(&ws->winlist);
8613                         TAILQ_INIT(&ws->unmanagedlist);
8614
8615                         for (k = 0; layouts[k].l_stack != NULL; k++)
8616                                 if (layouts[k].l_config != NULL)
8617                                         layouts[k].l_config(ws,
8618                                             SWM_ARG_ID_STACKINIT);
8619                         ws->cur_layout = &layouts[0];
8620                         ws->cur_layout->l_string(ws);
8621                 }
8622
8623                 scan_xrandr(i);
8624
8625                 if (xrandr_support)
8626                         xcb_randr_select_input(conn, screens[i].root,
8627                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
8628         }
8629 }
8630
8631 void
8632 setup_globals(void)
8633 {
8634         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
8635                 err(1, "setup_globals: strdup: failed to allocate memory.");
8636
8637         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
8638                 err(1, "setup_globals: strdup: failed to allocate memory.");
8639
8640         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
8641                 errx(1, "unable to allocate key symbols");
8642
8643         a_state = get_atom_from_string("WM_STATE");
8644         a_prot = get_atom_from_string("WM_PROTOCOLS");
8645         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
8646         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
8647         a_wmname = get_atom_from_string("WM_NAME");
8648         a_netwmname = get_atom_from_string("_NET_WM_NAME");
8649         a_utf8_string = get_atom_from_string("UTF8_STRING");
8650         a_string = get_atom_from_string("STRING");
8651         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
8652         a_swm_ws = get_atom_from_string("_SWM_WS");
8653 }
8654
8655 void
8656 workaround(void)
8657 {
8658         int                     i, num_screens;
8659         xcb_atom_t              netwmcheck;
8660         xcb_window_t            root, win;
8661
8662         /* work around sun jdk bugs, code from wmname */
8663         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
8664
8665         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8666         for (i = 0; i < num_screens; i++) {
8667                 root = screens[i].root;
8668
8669                 win = xcb_generate_id(conn);
8670                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, root,
8671                     0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
8672                     XCB_COPY_FROM_PARENT, 0, NULL);
8673
8674                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
8675                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
8676                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
8677                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
8678                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
8679                     a_netwmname, a_utf8_string, 8, strlen("LG3D"), "LG3D");
8680         }
8681 }
8682
8683 void
8684 shutdown_cleanup(void)
8685 {
8686         int i, num_screens;
8687
8688         /* disable alarm because the following code may not be interrupted */
8689         alarm(0);
8690         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
8691                 err(1, "can't disable alarm");
8692
8693         bar_extra_stop();
8694         bar_extra = 1;
8695         unmap_all();
8696
8697         cursors_cleanup();
8698
8699         teardown_ewmh();
8700
8701         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8702         for (i = 0; i < num_screens; ++i) {
8703                 if (screens[i].bar_gc != 0)
8704                         xcb_free_gc(conn, screens[i].bar_gc);
8705                 if (!bar_font_legacy)
8706                         XftColorFree(display, DefaultVisual(display, i),
8707                             DefaultColormap(display, i), &bar_font_color);
8708         }
8709
8710         if (bar_font_legacy)
8711                 XFreeFontSet(display, bar_fs);
8712         else {
8713                 XftFontClose(display, bar_font);
8714         }
8715
8716         xcb_key_symbols_free(syms);
8717         xcb_flush(conn);
8718         xcb_disconnect(conn);
8719 }
8720
8721 void
8722 event_error(xcb_generic_error_t *e)
8723 {
8724         (void)e;
8725
8726         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
8727             "resource_id: %u, minor_code: %u\n",
8728             xcb_event_get_error_label(e->error_code), e->error_code,
8729             xcb_event_get_request_label(e->major_code), e->major_code,
8730             e->sequence, e->resource_id, e->minor_code);
8731 }
8732
8733 void
8734 event_handle(xcb_generic_event_t *evt)
8735 {
8736         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
8737
8738         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d), seq %u\n",
8739             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
8740             XCB_EVENT_RESPONSE_TYPE(evt), evt->sequence);
8741
8742         switch (type) {
8743 #define EVENT(type, callback) case type: callback((void *)evt); return
8744         EVENT(0, event_error);
8745         EVENT(XCB_BUTTON_PRESS, buttonpress);
8746         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
8747         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
8748         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
8749         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
8750         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
8751         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
8752         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
8753         /*EVENT(XCB_CREATE_NOTIFY, );*/
8754         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
8755         EVENT(XCB_ENTER_NOTIFY, enternotify);
8756         EVENT(XCB_EXPOSE, expose);
8757 #ifdef SWM_DEBUG
8758         EVENT(XCB_FOCUS_IN, focusin);
8759         EVENT(XCB_FOCUS_OUT, focusout);
8760 #endif
8761         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
8762         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
8763         EVENT(XCB_KEY_PRESS, keypress);
8764         /*EVENT(XCB_KEY_RELEASE, keypress);*/
8765         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
8766 #ifdef SWM_DEBUG
8767         EVENT(XCB_LEAVE_NOTIFY, leavenotify);
8768 #endif
8769         EVENT(XCB_MAP_NOTIFY, mapnotify);
8770         EVENT(XCB_MAP_REQUEST, maprequest);
8771         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
8772         /*EVENT(XCB_MOTION_NOTIFY, );*/
8773         /*EVENT(XCB_NO_EXPOSURE, );*/
8774         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
8775         /*EVENT(XCB_REPARENT_NOTIFY, );*/
8776         /*EVENT(XCB_RESIZE_REQUEST, );*/
8777         /*EVENT(XCB_SELECTION_CLEAR, );*/
8778         /*EVENT(XCB_SELECTION_NOTIFY, );*/
8779         /*EVENT(XCB_SELECTION_REQUEST, );*/
8780         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
8781         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
8782 #undef EVENT
8783         }
8784         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
8785                 screenchange((void *)evt);
8786 }
8787
8788 int
8789 main(int argc, char *argv[])
8790 {
8791         struct swm_region       *r, *rr;
8792         struct ws_win           *winfocus = NULL;
8793         char                    conf[PATH_MAX], *cfile = NULL;
8794         struct stat             sb;
8795         int                     xfd, i, num_screens;
8796         struct sigaction        sact;
8797         xcb_generic_event_t     *evt;
8798         struct timeval          tv;
8799         fd_set                  rd;
8800
8801         /* suppress unused warning since var is needed */
8802         (void)argc;
8803
8804         time_started = time(NULL);
8805
8806         start_argv = argv;
8807         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
8808         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
8809                 warnx("no locale support");
8810
8811         /* handle some signals */
8812         bzero(&sact, sizeof(sact));
8813         sigemptyset(&sact.sa_mask);
8814         sact.sa_flags = 0;
8815         sact.sa_handler = sighdlr;
8816         sigaction(SIGINT, &sact, NULL);
8817         sigaction(SIGQUIT, &sact, NULL);
8818         sigaction(SIGTERM, &sact, NULL);
8819         sigaction(SIGHUP, &sact, NULL);
8820
8821         sact.sa_handler = sighdlr;
8822         sact.sa_flags = SA_NOCLDSTOP;
8823         sigaction(SIGCHLD, &sact, NULL);
8824
8825         if (!(display = XOpenDisplay(0)))
8826                 errx(1, "can not open display");
8827
8828         conn = XGetXCBConnection(display);
8829         if (xcb_connection_has_error(conn))
8830                 errx(1, "can not get XCB connection");
8831
8832         XSetEventQueueOwner(display, XCBOwnsEventQueue);
8833
8834         xcb_prefetch_extension_data(conn, &xcb_randr_id);
8835         xfd = xcb_get_file_descriptor(conn);
8836
8837         /* look for local and global conf file */
8838         pwd = getpwuid(getuid());
8839         if (pwd == NULL)
8840                 errx(1, "invalid user: %d", getuid());
8841
8842         xcb_grab_server(conn);
8843         xcb_aux_sync(conn);
8844
8845         /* flush all events */
8846         while ((evt = xcb_poll_for_event(conn))) {
8847                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
8848                         event_handle(evt);
8849                 free(evt);
8850         }
8851
8852         if (enable_wm() != 0)
8853                 errx(1, "another window manager is currently running");
8854
8855         /* Load Xcursors and/or cursorfont glyph cursors. */
8856         cursors_load();
8857
8858         xcb_aux_sync(conn);
8859
8860         setup_globals();
8861         setup_screens();
8862         setup_keys();
8863         setup_quirks();
8864         setup_spawn();
8865
8866         /* load config */
8867         for (i = 0; ; i++) {
8868                 conf[0] = '\0';
8869                 switch (i) {
8870                 case 0:
8871                         /* ~ */
8872                         snprintf(conf, sizeof conf, "%s/.%s",
8873                             pwd->pw_dir, SWM_CONF_FILE);
8874                         break;
8875                 case 1:
8876                         /* global */
8877                         snprintf(conf, sizeof conf, "/etc/%s",
8878                             SWM_CONF_FILE);
8879                         break;
8880                 case 2:
8881                         /* ~ compat */
8882                         snprintf(conf, sizeof conf, "%s/.%s",
8883                             pwd->pw_dir, SWM_CONF_FILE_OLD);
8884                         break;
8885                 case 3:
8886                         /* global compat */
8887                         snprintf(conf, sizeof conf, "/etc/%s",
8888                             SWM_CONF_FILE_OLD);
8889                         break;
8890                 default:
8891                         goto noconfig;
8892                 }
8893
8894                 if (strlen(conf) && stat(conf, &sb) != -1)
8895                         if (S_ISREG(sb.st_mode)) {
8896                                 cfile = conf;
8897                                 break;
8898                         }
8899         }
8900 noconfig:
8901
8902         /* load conf (if any) */
8903         if (cfile)
8904                 conf_load(cfile, SWM_CONF_DEFAULT);
8905
8906         setup_ewmh();
8907         /* set some values to work around bad programs */
8908         workaround();
8909         /* grab existing windows (before we build the bars) */
8910         grab_windows();
8911
8912         if (getenv("SWM_STARTED") == NULL)
8913                 setenv("SWM_STARTED", "YES", 1);
8914
8915         /* setup all bars */
8916         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8917         for (i = 0; i < num_screens; i++)
8918                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
8919                         if (winfocus == NULL)
8920                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
8921                         bar_setup(r);
8922                 }
8923
8924         grabkeys();
8925         stack();
8926
8927         xcb_ungrab_server(conn);
8928         xcb_flush(conn);
8929
8930         while (running) {
8931                 while ((evt = xcb_poll_for_event(conn))) {
8932                         if (!running)
8933                                 goto done;
8934                         event_handle(evt);
8935                         free(evt);
8936                 }
8937
8938                 /* If just (re)started, set default focus if needed. */
8939                 if (winfocus && focus_mode != SWM_FOCUS_FOLLOW) {
8940                         rr = winfocus->ws->r;
8941                         if (rr == NULL) {
8942                                 /* not a visible window */
8943                                 winfocus = NULL;
8944                                 continue;
8945                         }
8946
8947                         focus_win(get_region_focus(rr));
8948                         focus_flush();
8949                         winfocus = NULL;
8950                         continue;
8951                 }
8952
8953                 FD_ZERO(&rd);
8954                 FD_SET(xfd, &rd);
8955                 tv.tv_sec = 1;
8956                 tv.tv_usec = 0;
8957                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
8958                         if (errno != EINTR) {
8959                                 DNPRINTF(SWM_D_MISC, "select failed");
8960                         }
8961                 if (restart_wm)
8962                         restart(NULL, NULL);
8963                 if (search_resp)
8964                         search_do_resp();
8965                 if (!running)
8966                         goto done;
8967                 if (bar_alarm) {
8968                         bar_alarm = 0;
8969                         bar_update();
8970                 }
8971         }
8972 done:
8973         shutdown_cleanup();
8974
8975         return (0);
8976 }