spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2012 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  * Copyright (c) 2012 David Hill <dhill@mindcry.org>
  12  *
  13  * Permission to use, copy, modify, and distribute this software for any
  14  * purpose with or without fee is hereby granted, provided that the above
  15  * copyright notice and this permission notice appear in all copies.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  18  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  20  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  21  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  22  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  23  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  24  */
  25 /*
  26  * Much code and ideas taken from dwm under the following license:
  27  * MIT/X Consortium License
  28  *
  29  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  30  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  31  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  32  * 2007 Premysl Hruby <dfenze at gmail dot com>
  33  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  34  * 2007 Christof Musik <christof at sendfax dot de>
  35  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  36  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  37  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  38  *
  39  * Permission is hereby granted, free of charge, to any person obtaining a
  40  * copy of this software and associated documentation files (the "Software"),
  41  * to deal in the Software without restriction, including without limitation
  42  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  43  * and/or sell copies of the Software, and to permit persons to whom the
  44  * Software is furnished to do so, subject to the following conditions:
  45  *
  46  * The above copyright notice and this permission notice shall be included in
  47  * all copies or substantial portions of the Software.
  48  *
  49  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  50  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  51  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  52  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  53  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  54  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  55  * DEALINGS IN THE SOFTWARE.
  56  */
  57
  58 /* kernel includes */
  59 #include <sys/types.h>
  60 #include <sys/time.h>
  61 #include <sys/stat.h>
  62 #include <sys/wait.h>
  63 #include <sys/queue.h>
  64 #include <sys/param.h>
  65 #include <sys/select.h>
  66 #if defined(__linux__)
  67 #include "tree.h"
  68 #elif defined(__OpenBSD__)
  69 #include <sys/tree.h>
  70 #elif defined(__FreeBSD__)
  71 #include <sys/tree.h>
  72 #else
  73 #include "tree.h"
  74 #endif
  75
  76 /* /usr/includes */
  77 #include <ctype.h>
  78 #include <err.h>
  79 #include <errno.h>
  80 #include <fcntl.h>
  81 #include <locale.h>
  82 #include <paths.h>
  83 #include <pwd.h>
  84 #include <signal.h>
  85 #include <stdio.h>
  86 #include <stdlib.h>
  87 #include <string.h>
  88 #include <time.h>
  89 #include <unistd.h>
  90 #include <util.h>
  91 #include <X11/cursorfont.h>
  92 #include <X11/extensions/Xrandr.h>
  93 #include <X11/Xcursor/Xcursor.h>
  94 #include <X11/Xft/Xft.h>
  95 #include <X11/Xlib-xcb.h>
  96 #include <xcb/xcb_atom.h>
  97 #include <xcb/xcb_aux.h>
  98 #include <xcb/xcb_event.h>
  99 #include <xcb/xcb_icccm.h>
 100 #include <xcb/xcb_keysyms.h>
 101 #include <xcb/xtest.h>
 102 #include <xcb/randr.h>
 103
 104 /* local includes */
 105 #include "version.h"
 106 #ifdef __OSX__
 107 #include <osx.h>
 108 #endif
 109
 110 #ifdef SPECTRWM_BUILDSTR
 111 static const char       *buildstr = SPECTRWM_BUILDSTR;
 112 #else
 113 static const char       *buildstr = SPECTRWM_VERSION;
 114 #endif
 115
 116 #if !defined(__CYGWIN__) /* cygwin chokes on xrandr stuff */
 117 #  if RANDR_MAJOR < 1
 118 #    error XRandR versions less than 1.0 are not supported
 119 #endif
 120
 121 #  if RANDR_MAJOR >= 1
 122 #    if RANDR_MINOR >= 2
 123 #      define SWM_XRR_HAS_CRTC
 124 #    endif
 125 #  endif
 126 #endif /* __CYGWIN__ */
 127
 128 #ifndef XCB_ICCCM_NUM_WM_HINTS_ELEMENTS
 129 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 130 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 131 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 132 #define XCB_ICCCM_WM_HINT_INPUT                 XCB_WM_HINT_INPUT
 133 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 134 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 135 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 136 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 137 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 138 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 139 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 140 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 141 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 142 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 143 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 144 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 145 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 146 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 147 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 148 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 149 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 150 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 151 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 152 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 153 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 154 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 155 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 156 #endif
 157
 158 /*#define SWM_DEBUG*/
 159 #ifdef SWM_DEBUG
 160 #define DPRINTF(x...) do {                                                      \
 161         if (swm_debug)                                                          \
 162                 fprintf(stderr, x);                                             \
 163 } while (0)
 164 #define DNPRINTF(n,x...) do {                                                   \
 165         if (swm_debug & n) {                                                    \
 166                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 167                 fprintf(stderr, x);                                             \
 168         }                                                                       \
 169 } while (0)
 170 #define SWM_D_MISC              0x0001
 171 #define SWM_D_EVENT             0x0002
 172 #define SWM_D_WS                0x0004
 173 #define SWM_D_FOCUS             0x0008
 174 #define SWM_D_MOVE              0x0010
 175 #define SWM_D_STACK             0x0020
 176 #define SWM_D_MOUSE             0x0040
 177 #define SWM_D_PROP              0x0080
 178 #define SWM_D_CLASS             0x0100
 179 #define SWM_D_KEY               0x0200
 180 #define SWM_D_QUIRK             0x0400
 181 #define SWM_D_SPAWN             0x0800
 182 #define SWM_D_EVENTQ            0x1000
 183 #define SWM_D_CONF              0x2000
 184 #define SWM_D_BAR               0x4000
 185 #define SWM_D_INIT              0x8000
 186
 187 u_int32_t               swm_debug = 0
 188                             | SWM_D_MISC
 189                             | SWM_D_EVENT
 190                             | SWM_D_WS
 191                             | SWM_D_FOCUS
 192                             | SWM_D_MOVE
 193                             | SWM_D_STACK
 194                             | SWM_D_MOUSE
 195                             | SWM_D_PROP
 196                             | SWM_D_CLASS
 197                             | SWM_D_KEY
 198                             | SWM_D_QUIRK
 199                             | SWM_D_SPAWN
 200                             | SWM_D_EVENTQ
 201                             | SWM_D_CONF
 202                             | SWM_D_BAR
 203                             | SWM_D_INIT
 204                             ;
 205 #else
 206 #define DPRINTF(x...)
 207 #define DNPRINTF(n,x...)
 208 #endif
 209
 210 /* convert 8-bit to 16-bit */
 211 #define RGB_8_TO_16(col)        ((col) << 8) + (col)
 212
 213 #define PIXEL_TO_XRENDERCOLOR(px, xrc)                                  \
 214         xrc.red = RGB_8_TO_16((px) >> 16 & 0xff);                       \
 215         xrc.green = RGB_8_TO_16((px) >> 8 & 0xff);                      \
 216         xrc.blue = RGB_8_TO_16((px) & 0xff);                            \
 217         xrc.alpha = 0xffff;
 218
 219 #define LENGTH(x)               (int)(sizeof (x) / sizeof (x)[0])
 220 #define MODKEY                  XCB_MOD_MASK_1
 221 #define CLEANMASK(mask)         ((mask) & ~(numlockmask | XCB_MOD_MASK_LOCK))
 222 #define BUTTONMASK              (XCB_EVENT_MASK_BUTTON_PRESS |          \
 223     XCB_EVENT_MASK_BUTTON_RELEASE)
 224 #define MOUSEMASK               (BUTTONMASK|XCB_EVENT_MASK_POINTER_MOTION)
 225 #define SWM_PROPLEN             (16)
 226 #define SWM_FUNCNAME_LEN        (32)
 227 #define SWM_KEYS_LEN            (255)
 228 #define SWM_QUIRK_LEN           (64)
 229 #define X(r)                    (r)->g.x
 230 #define Y(r)                    (r)->g.y
 231 #define WIDTH(r)                (r)->g.w
 232 #define HEIGHT(r)               (r)->g.h
 233 #define BORDER(w)               ((w)->bordered ? border_width : 0)
 234 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 235 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 236 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 237 #define SH_MIN_W(w)             (w)->sh.min_width
 238 #define SH_MIN_H(w)             (w)->sh.min_height
 239 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 240 #define SH_MAX_W(w)             (w)->sh.max_width
 241 #define SH_MAX_H(w)             (w)->sh.max_height
 242 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 243 #define SH_INC_W(w)             (w)->sh.width_inc
 244 #define SH_INC_H(w)             (w)->sh.height_inc
 245 #define SWM_MAX_FONT_STEPS      (3)
 246 #define WINID(w)                ((w) ? (w)->id : 0)
 247 #define YESNO(x)                ((x) ? "yes" : "no")
 248
 249 #define SWM_FOCUS_DEFAULT       (0)
 250 #define SWM_FOCUS_FOLLOW        (1)
 251 #define SWM_FOCUS_MANUAL        (2)
 252
 253 #define SWM_CK_NONE             0
 254 #define SWM_CK_ALL              0x7
 255 #define SWM_CK_FOCUS            0x1
 256 #define SWM_CK_POINTER          0x2
 257 #define SWM_CK_FALLBACK         0x4
 258
 259 #define SWM_CONF_DEFAULT        (0)
 260 #define SWM_CONF_KEYMAPPING     (1)
 261
 262 #ifndef SWM_LIB
 263 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 264 #endif
 265
 266 char                    **start_argv;
 267 xcb_atom_t              a_state;
 268 xcb_atom_t              a_prot;
 269 xcb_atom_t              a_delete;
 270 xcb_atom_t              a_takefocus;
 271 xcb_atom_t              a_wmname;
 272 xcb_atom_t              a_netwmname;
 273 xcb_atom_t              a_utf8_string;
 274 xcb_atom_t              a_string;
 275 xcb_atom_t              a_swm_iconic;
 276 xcb_atom_t              a_swm_ws;
 277 volatile sig_atomic_t   running = 1;
 278 volatile sig_atomic_t   restart_wm = 0;
 279 xcb_timestamp_t         last_event_time = 0;
 280 int                     outputs = 0;
 281 int                     other_wm;
 282 int                     ss_enabled = 0;
 283 int                     xrandr_support;
 284 int                     xrandr_eventbase;
 285 unsigned int            numlockmask = 0;
 286
 287 Display                 *display;
 288 xcb_connection_t        *conn;
 289 xcb_key_symbols_t       *syms;
 290
 291 int                     cycle_empty = 0;
 292 int                     cycle_visible = 0;
 293 int                     term_width = 0;
 294 int                     font_adjusted = 0;
 295 unsigned int            mod_key = MODKEY;
 296
 297 /* dmenu search */
 298 struct swm_region       *search_r;
 299 int                     select_list_pipe[2];
 300 int                     select_resp_pipe[2];
 301 pid_t                   searchpid;
 302 volatile sig_atomic_t   search_resp;
 303 int                     search_resp_action;
 304
 305 struct search_window {
 306         TAILQ_ENTRY(search_window)      entry;
 307         int                             idx;
 308         struct ws_win                   *win;
 309         xcb_gcontext_t                  gc;
 310         xcb_window_t                    indicator;
 311 };
 312 TAILQ_HEAD(search_winlist, search_window);
 313 struct search_winlist                   search_wl;
 314
 315 /* search actions */
 316 enum {
 317         SWM_SEARCH_NONE,
 318         SWM_SEARCH_UNICONIFY,
 319         SWM_SEARCH_NAME_WORKSPACE,
 320         SWM_SEARCH_SEARCH_WORKSPACE,
 321         SWM_SEARCH_SEARCH_WINDOW
 322 };
 323
 324 #define SWM_STACK_TOP           (0)
 325 #define SWM_STACK_BOTTOM        (1)
 326 #define SWM_STACK_ABOVE         (2)
 327 #define SWM_STACK_BELOW         (3)
 328
 329 /* dialog windows */
 330 double                  dialog_ratio = 0.6;
 331 /* status bar */
 332 #define SWM_BAR_MAX             (256)
 333 #define SWM_BAR_JUSTIFY_LEFT    (0)
 334 #define SWM_BAR_JUSTIFY_CENTER  (1)
 335 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 336 #define SWM_BAR_OFFSET          (4)
 337 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-12-*-*-*-*-*-*-*," \
 338                                 "-*-profont-*-*-*-*-12-*-*-*-*-*-*-*,"      \
 339                                 "-*-times-medium-r-*-*-12-*-*-*-*-*-*-*,"    \
 340                                 "-misc-fixed-medium-r-*-*-12-*-*-*-*-*-*-*,"  \
 341                                 "-*-*-*-r-*-*-*-*-*-*-*-*-*-*"
 342
 343 #ifdef X_HAVE_UTF8_STRING
 344 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 345 #else
 346 #define DRAWSTRING(x...)        XmbDrawString(x)
 347 #endif
 348
 349 char            *bar_argv[] = { NULL, NULL };
 350 int              bar_pipe[2];
 351 unsigned char    bar_ext[SWM_BAR_MAX];
 352 char             bar_vertext[SWM_BAR_MAX];
 353 int              bar_version = 0;
 354 sig_atomic_t     bar_alarm = 0;
 355 int              bar_delay = 30;
 356 int              bar_enabled = 1;
 357 int              bar_border_width = 1;
 358 int              bar_at_bottom = 0;
 359 int              bar_extra = 1;
 360 int              bar_extra_running = 0;
 361 int              bar_verbose = 1;
 362 int              bar_height = 0;
 363 int              bar_justify = SWM_BAR_JUSTIFY_LEFT;
 364 char             *bar_format = NULL;
 365 int              stack_enabled = 1;
 366 int              clock_enabled = 1;
 367 int              urgent_enabled = 0;
 368 char            *clock_format = NULL;
 369 int              title_name_enabled = 0;
 370 int              title_class_enabled = 0;
 371 int              window_name_enabled = 0;
 372 int              focus_mode = SWM_FOCUS_DEFAULT;
 373 int              focus_close = SWM_STACK_BELOW;
 374 int              focus_close_wrap = 1;
 375 int              focus_default = SWM_STACK_TOP;
 376 int              spawn_position = SWM_STACK_TOP;
 377 int              disable_border = 0;
 378 int              border_width = 1;
 379 int              verbose_layout = 0;
 380 time_t           time_started;
 381 pid_t            bar_pid;
 382 XFontSet         bar_fs;
 383 XFontSetExtents *bar_fs_extents;
 384 XftFont         *bar_font;
 385 int              bar_font_legacy = 1;
 386 char            *bar_fonts;
 387 XftColor         bar_font_color;
 388 struct passwd   *pwd;
 389
 390 /* layout manager data */
 391 struct swm_geometry {
 392         int                     x;
 393         int                     y;
 394         int                     w;
 395         int                     h;
 396 };
 397
 398 struct swm_screen;
 399 struct workspace;
 400
 401 struct swm_bar {
 402         xcb_window_t            id;
 403         xcb_pixmap_t            buffer;
 404         struct swm_geometry     g;
 405 };
 406
 407 /* virtual "screens" */
 408 struct swm_region {
 409         TAILQ_ENTRY(swm_region) entry;
 410         struct swm_geometry     g;
 411         struct workspace        *ws;    /* current workspace on this region */
 412         struct workspace        *ws_prior; /* prior workspace on this region */
 413         struct swm_screen       *s;     /* screen idx */
 414         struct swm_bar          *bar;
 415 };
 416 TAILQ_HEAD(swm_region_list, swm_region);
 417
 418 struct ws_win {
 419         TAILQ_ENTRY(ws_win)     entry;
 420         xcb_window_t            id;
 421         xcb_window_t            transient;
 422         struct ws_win           *focus_child;   /* focus on child transient */
 423         struct swm_geometry     g;              /* current geometry */
 424         struct swm_geometry     g_float;        /* region coordinates */
 425         int                     g_floatvalid;   /* g_float geometry validity */
 426         int                     floatmaxed;     /* whether maxed by max_stack */
 427         int                     floating;
 428         int                     manual;
 429         int32_t                 mapped;
 430         int32_t                 iconic;
 431         int                     bordered;
 432         unsigned int            ewmh_flags;
 433         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 434         int                     font_steps;
 435         int                     last_inc;
 436         int                     can_delete;
 437         int                     take_focus;
 438         int                     java;
 439         unsigned long           quirks;
 440         struct workspace        *ws;    /* always valid */
 441         struct swm_screen       *s;     /* always valid, never changes */
 442         xcb_get_geometry_reply_t        *wa;
 443         xcb_size_hints_t        sh;
 444         xcb_icccm_get_wm_class_reply_t  ch;
 445         xcb_icccm_wm_hints_t    hints;
 446 };
 447 TAILQ_HEAD(ws_win_list, ws_win);
 448
 449 /* pid goo */
 450 struct pid_e {
 451         TAILQ_ENTRY(pid_e)      entry;
 452         pid_t                   pid;
 453         int                     ws;
 454 };
 455 TAILQ_HEAD(pid_list, pid_e);
 456 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 457
 458 /* layout handlers */
 459 void    stack(void);
 460 void    vertical_config(struct workspace *, int);
 461 void    vertical_stack(struct workspace *, struct swm_geometry *);
 462 void    horizontal_config(struct workspace *, int);
 463 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 464 void    max_stack(struct workspace *, struct swm_geometry *);
 465 void    plain_stacker(struct workspace *);
 466 void    fancy_stacker(struct workspace *);
 467
 468 struct layout {
 469         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 470         void            (*l_config)(struct workspace *, int);
 471         u_int32_t       flags;
 472 #define SWM_L_FOCUSPREV         (1<<0)
 473 #define SWM_L_MAPONFOCUS        (1<<1)
 474         void            (*l_string)(struct workspace *);
 475 } layouts[] =  {
 476         /* stack,               configure */
 477         { vertical_stack,       vertical_config,        0,      plain_stacker },
 478         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 479         { max_stack,            NULL,
 480           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 481         { NULL,                 NULL,                   0,      NULL  },
 482 };
 483
 484 /* position of max_stack mode in the layouts array, index into layouts! */
 485 #define SWM_V_STACK             (0)
 486 #define SWM_H_STACK             (1)
 487 #define SWM_MAX_STACK           (2)
 488
 489 #define SWM_H_SLICE             (32)
 490 #define SWM_V_SLICE             (32)
 491
 492 /* define work spaces */
 493 struct workspace {
 494         int                     idx;            /* workspace index */
 495         char                    *name;          /* workspace name */
 496         int                     always_raise;   /* raise windows on focus */
 497         struct layout           *cur_layout;    /* current layout handlers */
 498         struct ws_win           *focus;         /* may be NULL */
 499         struct ws_win           *focus_prev;    /* may be NULL */
 500         struct ws_win           *focus_pending; /* may be NULL */
 501         struct swm_region       *r;             /* may be NULL */
 502         struct swm_region       *old_r;         /* may be NULL */
 503         struct ws_win_list      winlist;        /* list of windows in ws */
 504         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 505         char                    stacker[10];    /* display stacker and layout */
 506
 507         /* stacker state */
 508         struct {
 509                                 int horizontal_msize;
 510                                 int horizontal_mwin;
 511                                 int horizontal_stacks;
 512                                 int horizontal_flip;
 513                                 int vertical_msize;
 514                                 int vertical_mwin;
 515                                 int vertical_stacks;
 516                                 int vertical_flip;
 517         } l_state;
 518 };
 519
 520 enum {
 521         SWM_S_COLOR_BAR,
 522         SWM_S_COLOR_BAR_BORDER,
 523         SWM_S_COLOR_BAR_FONT,
 524         SWM_S_COLOR_FOCUS,
 525         SWM_S_COLOR_UNFOCUS,
 526         SWM_S_COLOR_MAX
 527 };
 528
 529 /* physical screen mapping */
 530 #define SWM_WS_MAX              (22)    /* hard limit */
 531 int             workspace_limit = 10;   /* soft limit */
 532
 533 struct swm_screen {
 534         int                     idx;    /* screen index */
 535         struct swm_region_list  rl;     /* list of regions on this screen */
 536         struct swm_region_list  orl;    /* list of old regions */
 537         xcb_window_t            root;
 538         struct workspace        ws[SWM_WS_MAX];
 539
 540         /* colors */
 541         struct {
 542                 uint32_t        pixel;
 543                 char            *name;
 544         } c[SWM_S_COLOR_MAX];
 545
 546         xcb_gcontext_t          bar_gc;
 547         GC                      bar_gc_legacy;
 548 };
 549 struct swm_screen       *screens;
 550
 551 /* args to functions */
 552 union arg {
 553         int                     id;
 554 #define SWM_ARG_ID_FOCUSNEXT    (0)
 555 #define SWM_ARG_ID_FOCUSPREV    (1)
 556 #define SWM_ARG_ID_FOCUSMAIN    (2)
 557 #define SWM_ARG_ID_SWAPNEXT     (10)
 558 #define SWM_ARG_ID_SWAPPREV     (11)
 559 #define SWM_ARG_ID_SWAPMAIN     (12)
 560 #define SWM_ARG_ID_MOVELAST     (13)
 561 #define SWM_ARG_ID_MASTERSHRINK (20)
 562 #define SWM_ARG_ID_MASTERGROW   (21)
 563 #define SWM_ARG_ID_MASTERADD    (22)
 564 #define SWM_ARG_ID_MASTERDEL    (23)
 565 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 566 #define SWM_ARG_ID_STACKRESET   (30)
 567 #define SWM_ARG_ID_STACKINIT    (31)
 568 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 569 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 570 #define SWM_ARG_ID_CYCLESC_UP   (42)
 571 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 572 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 573 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 574 #define SWM_ARG_ID_STACKINC     (50)
 575 #define SWM_ARG_ID_STACKDEC     (51)
 576 #define SWM_ARG_ID_SS_ALL       (60)
 577 #define SWM_ARG_ID_SS_WINDOW    (61)
 578 #define SWM_ARG_ID_DONTCENTER   (70)
 579 #define SWM_ARG_ID_CENTER       (71)
 580 #define SWM_ARG_ID_KILLWINDOW   (80)
 581 #define SWM_ARG_ID_DELETEWINDOW (81)
 582 #define SWM_ARG_ID_WIDTHGROW    (90)
 583 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 584 #define SWM_ARG_ID_HEIGHTGROW   (92)
 585 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 586 #define SWM_ARG_ID_MOVEUP       (100)
 587 #define SWM_ARG_ID_MOVEDOWN     (101)
 588 #define SWM_ARG_ID_MOVELEFT     (102)
 589 #define SWM_ARG_ID_MOVERIGHT    (103)
 590         char                    **argv;
 591 };
 592
 593 /* quirks */
 594 struct quirk {
 595         TAILQ_ENTRY(quirk)      entry;
 596         char                    *class;
 597         char                    *name;
 598         unsigned long           quirk;
 599 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 600 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 601 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 602 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 603 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 604 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 605 };
 606 TAILQ_HEAD(quirk_list, quirk);
 607 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 608
 609 /*
 610  * Supported EWMH hints should be added to
 611  * both the enum and the ewmh array
 612  */
 613 enum {
 614         _NET_ACTIVE_WINDOW,
 615         _NET_CLOSE_WINDOW,
 616         _NET_MOVERESIZE_WINDOW,
 617         _NET_WM_ACTION_ABOVE,
 618         _NET_WM_ACTION_CLOSE,
 619         _NET_WM_ACTION_FULLSCREEN,
 620         _NET_WM_ACTION_MOVE,
 621         _NET_WM_ACTION_RESIZE,
 622         _NET_WM_ALLOWED_ACTIONS,
 623         _NET_WM_NAME,
 624         _NET_WM_STATE,
 625         _NET_WM_STATE_ABOVE,
 626         _NET_WM_STATE_FULLSCREEN,
 627         _NET_WM_STATE_HIDDEN,
 628         _NET_WM_STATE_MAXIMIZED_HORZ,
 629         _NET_WM_STATE_MAXIMIZED_VERT,
 630         _NET_WM_STATE_SKIP_PAGER,
 631         _NET_WM_STATE_SKIP_TASKBAR,
 632         _NET_WM_WINDOW_TYPE,
 633         _NET_WM_WINDOW_TYPE_DIALOG,
 634         _NET_WM_WINDOW_TYPE_DOCK,
 635         _NET_WM_WINDOW_TYPE_NORMAL,
 636         _NET_WM_WINDOW_TYPE_SPLASH,
 637         _NET_WM_WINDOW_TYPE_TOOLBAR,
 638         _NET_WM_WINDOW_TYPE_UTILITY,
 639         _SWM_WM_STATE_MANUAL,
 640         SWM_EWMH_HINT_MAX
 641 };
 642
 643 struct ewmh_hint {
 644         char            *name;
 645         xcb_atom_t      atom;
 646 } ewmh[SWM_EWMH_HINT_MAX] =     {
 647     /* must be in same order as in the enum */
 648     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 649     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 650     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 651     {"_NET_WM_ACTION_ABOVE", XCB_ATOM_NONE},
 652     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 653     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 654     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 655     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 656     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 657     {"_NET_WM_NAME", XCB_ATOM_NONE},
 658     {"_NET_WM_STATE", XCB_ATOM_NONE},
 659     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 660     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 661     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 662     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 663     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 664     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 665     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 666     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 667     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 668     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 669     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 670     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 671     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 672     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 673     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 674 };
 675
 676 /* Cursors */
 677 enum {
 678         XC_FLEUR,
 679         XC_LEFT_PTR,
 680         XC_BOTTOM_LEFT_CORNER,
 681         XC_BOTTOM_RIGHT_CORNER,
 682         XC_SIZING,
 683         XC_TOP_LEFT_CORNER,
 684         XC_TOP_RIGHT_CORNER,
 685         XC_MAX
 686 };
 687
 688 struct cursors {
 689         char            *name; /* Name used by Xcursor .*/
 690         uint8_t         cf_char; /* cursorfont index. */
 691         xcb_cursor_t    cid;
 692 } cursors[XC_MAX] =     {
 693         {"fleur", XC_fleur, XCB_CURSOR_NONE},
 694         {"left_ptr", XC_left_ptr, XCB_CURSOR_NONE},
 695         {"bottom_left_corner", XC_bottom_left_corner, XCB_CURSOR_NONE},
 696         {"bottom_right_corner", XC_bottom_right_corner, XCB_CURSOR_NONE},
 697         {"sizing", XC_sizing, XCB_CURSOR_NONE},
 698         {"top_left_corner", XC_top_left_corner, XCB_CURSOR_NONE},
 699         {"top_right_corner", XC_top_right_corner, XCB_CURSOR_NONE},
 700 };
 701
 702 /* 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((char *)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((char *)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((char *)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("unable to allocate Xft 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         }
2806
2807         return win;
2808 }
2809
2810 struct swm_region *
2811 root_to_region(xcb_window_t root, int check)
2812 {
2813         struct ws_win                   *cfw;
2814         struct swm_region               *r = NULL;
2815         int                             i, num_screens;
2816         xcb_query_pointer_reply_t       *qpr;
2817         xcb_get_input_focus_reply_t     *gifr;
2818
2819         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2820
2821         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2822         for (i = 0; i < num_screens; i++)
2823                 if (screens[i].root == root)
2824                         break;
2825
2826         if (check & SWM_CK_FOCUS) {
2827                 /* Try to find an actively focused window */
2828                 gifr = xcb_get_input_focus_reply(conn,
2829                     xcb_get_input_focus(conn), NULL);
2830                 if (gifr) {
2831                         cfw = find_window(gifr->focus);
2832                         if (cfw && cfw->ws->r)
2833                                 r = cfw->ws->r;
2834
2835                         free(gifr);
2836                 }
2837         }
2838
2839         if (r == NULL && check & SWM_CK_POINTER) {
2840                 /* No region with an active focus; try to use pointer. */
2841                 qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2842                     screens[i].root), NULL);
2843
2844                 if (qpr) {
2845                         DNPRINTF(SWM_D_MISC, "root_to_region: pointer: "
2846                             "(%d,%d)\n", qpr->root_x, qpr->root_y);
2847                         TAILQ_FOREACH(r, &screens[i].rl, entry)
2848                                 if (X(r) <= qpr->root_x &&
2849                                     qpr->root_x < MAX_X(r) &&
2850                                     Y(r) <= qpr->root_y &&
2851                                     qpr->root_y < MAX_Y(r))
2852                                         break;
2853                         free(qpr);
2854                 }
2855         }
2856
2857         /* Last resort. */
2858         if (r == NULL && check & SWM_CK_FALLBACK)
2859                 r = TAILQ_FIRST(&screens[i].rl);
2860
2861         return (r);
2862 }
2863
2864 struct ws_win *
2865 find_unmanaged_window(xcb_window_t id)
2866 {
2867         struct ws_win           *win;
2868         int                     i, j, num_screens;
2869
2870         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2871         for (i = 0; i < num_screens; i++)
2872                 for (j = 0; j < workspace_limit; j++)
2873                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2874                             entry)
2875                                 if (id == win->id)
2876                                         return (win);
2877         return (NULL);
2878 }
2879
2880 struct ws_win *
2881 find_window(xcb_window_t id)
2882 {
2883         struct ws_win           *win;
2884         int                     i, j, num_screens;
2885         xcb_query_tree_reply_t  *r;
2886
2887         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2888         for (i = 0; i < num_screens; i++)
2889                 for (j = 0; j < workspace_limit; j++)
2890                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2891                                 if (id == win->id)
2892                                         return (win);
2893
2894         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
2895         if (!r)
2896                 return (NULL);
2897
2898         /* if we were looking for the parent return that window instead */
2899         if (r->parent == 0 || r->root == r->parent) {
2900                 free(r);
2901                 return (NULL);
2902         }
2903
2904         /* look for parent */
2905         for (i = 0; i < num_screens; i++)
2906                 for (j = 0; j < workspace_limit; j++)
2907                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2908                                 if (r->parent == win->id) {
2909                                         free(r);
2910                                         return (win);
2911                                 }
2912
2913         free(r);
2914         return (NULL);
2915 }
2916
2917 void
2918 spawn(int ws_idx, union arg *args, int close_fd)
2919 {
2920         int                     fd;
2921         char                    *ret = NULL;
2922
2923         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2924
2925         close(xcb_get_file_descriptor(conn));
2926
2927         setenv("LD_PRELOAD", SWM_LIB, 1);
2928
2929         if (asprintf(&ret, "%d", ws_idx) == -1) {
2930                 warn("spawn: asprintf SWM_WS");
2931                 _exit(1);
2932         }
2933         setenv("_SWM_WS", ret, 1);
2934         free(ret);
2935         ret = NULL;
2936
2937         if (asprintf(&ret, "%d", getpid()) == -1) {
2938                 warn("spawn: asprintf _SWM_PID");
2939                 _exit(1);
2940         }
2941         setenv("_SWM_PID", ret, 1);
2942         free(ret);
2943         ret = NULL;
2944
2945         if (setsid() == -1) {
2946                 warn("spawn: setsid");
2947                 _exit(1);
2948         }
2949
2950         if (close_fd) {
2951                 /*
2952                  * close stdin and stdout to prevent interaction between apps
2953                  * and the baraction script
2954                  * leave stderr open to record errors
2955                 */
2956                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2957                         warn("spawn: open");
2958                         _exit(1);
2959                 }
2960                 dup2(fd, STDIN_FILENO);
2961                 dup2(fd, STDOUT_FILENO);
2962                 if (fd > 2)
2963                         close(fd);
2964         }
2965
2966         execvp(args->argv[0], args->argv);
2967
2968         warn("spawn: execvp");
2969         _exit(1);
2970 }
2971
2972 void
2973 kill_refs(struct ws_win *win)
2974 {
2975         int                     i, x, num_screens;
2976         struct swm_region       *r;
2977         struct workspace        *ws;
2978
2979         if (win == NULL)
2980                 return;
2981
2982         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2983         for (i = 0; i < num_screens; i++)
2984                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2985                         for (x = 0; x < workspace_limit; x++) {
2986                                 ws = &r->s->ws[x];
2987                                 if (win == ws->focus)
2988                                         ws->focus = NULL;
2989                                 if (win == ws->focus_prev)
2990                                         ws->focus_prev = NULL;
2991                         }
2992 }
2993
2994 int
2995 validate_win(struct ws_win *testwin)
2996 {
2997         struct ws_win           *win;
2998         struct workspace        *ws;
2999         struct swm_region       *r;
3000         int                     i, x, num_screens;
3001
3002         if (testwin == NULL)
3003                 return (0);
3004
3005         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3006         for (i = 0; i < num_screens; i++)
3007                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3008                         for (x = 0; x < workspace_limit; x++) {
3009                                 ws = &r->s->ws[x];
3010                                 TAILQ_FOREACH(win, &ws->winlist, entry)
3011                                         if (win == testwin)
3012                                                 return (0);
3013                         }
3014         return (1);
3015 }
3016
3017 int
3018 validate_ws(struct workspace *testws)
3019 {
3020         struct swm_region       *r;
3021         struct workspace        *ws;
3022         int                     i, x, num_screens;
3023
3024         /* validate all ws */
3025         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3026         for (i = 0; i < num_screens; i++)
3027                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3028                         for (x = 0; x < workspace_limit; x++) {
3029                                 ws = &r->s->ws[x];
3030                                 if (ws == testws)
3031                                         return (0);
3032                         }
3033         return (1);
3034 }
3035
3036 void
3037 unfocus_win(struct ws_win *win)
3038 {
3039         xcb_window_t            none = XCB_WINDOW_NONE;
3040
3041         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
3042
3043         if (win == NULL)
3044                 return;
3045         if (win->ws == NULL) {
3046                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL ws.\n");
3047                 return;
3048         }
3049
3050         if (validate_ws(win->ws)) {
3051                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid ws.\n");
3052                 return;
3053         }
3054
3055         if (win->ws->r == NULL) {
3056                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL region.\n");
3057                 return;
3058         }
3059
3060         if (validate_win(win)) {
3061                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid win.\n");
3062                 kill_refs(win);
3063                 return;
3064         }
3065
3066         if (win->ws->focus == win) {
3067                 win->ws->focus = NULL;
3068                 win->ws->focus_prev = win;
3069         }
3070
3071         if (validate_win(win->ws->focus)) {
3072                 kill_refs(win->ws->focus);
3073                 win->ws->focus = NULL;
3074         }
3075         if (validate_win(win->ws->focus_prev)) {
3076                 kill_refs(win->ws->focus_prev);
3077                 win->ws->focus_prev = NULL;
3078         }
3079
3080         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3081             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
3082
3083         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3084             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
3085
3086         DNPRINTF(SWM_D_FOCUS, "unfocus_win: done.\n");
3087 }
3088
3089 void
3090 focus_win(struct ws_win *win)
3091 {
3092         struct ws_win                   *cfw = NULL, *parent = NULL, *w;
3093         struct workspace                *ws;
3094         xcb_get_input_focus_reply_t     *r;
3095
3096         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
3097
3098         if (win == NULL)
3099                 goto out;
3100
3101         if (win->ws == NULL)
3102                 goto out;
3103
3104         ws = win->ws;
3105
3106         if (validate_ws(ws))
3107                 goto out;
3108
3109         if (validate_win(win)) {
3110                 kill_refs(win);
3111                 goto out;
3112         }
3113
3114         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
3115         if (r) {
3116                 cfw = find_window(r->focus);
3117                 if (cfw != win)
3118                         unfocus_win(cfw);
3119                 free(r);
3120         }
3121
3122         if (ws->focus != win) {
3123                 if (ws->focus && ws->focus != cfw)
3124                         unfocus_win(ws->focus);
3125                 ws->focus = win;
3126         }
3127
3128         /* If this window directs focus to a child window, then clear. */
3129         if (win->focus_child)
3130                 win->focus_child = NULL;
3131
3132         /* If transient, adjust parent's focus child for focus_magic. */
3133         if (win->transient) {
3134                 parent = find_window(win->transient);
3135                 if (parent && parent->focus_child != win)
3136                         parent->focus_child = win;
3137         }
3138
3139         if (cfw != win && ws->r != NULL) {
3140                 /* Set input focus if no input hint, or indicated by hint. */
3141                 if (!(win->hints.flags & XCB_ICCCM_WM_HINT_INPUT) ||
3142                     (win->hints.flags & XCB_ICCCM_WM_HINT_INPUT &&
3143                      win->hints.input))
3144                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3145                                         win->id, last_event_time);
3146
3147                 /* Tell app it can adjust focus to a specific window. */
3148                 if (win->take_focus) {
3149                         /* java is special; always tell parent */
3150                         if (win->transient && win->java)
3151                                 client_msg(parent, a_takefocus,
3152                                     last_event_time);
3153                         else
3154                                 client_msg(win, a_takefocus, last_event_time);
3155                 }
3156
3157                 xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3158                     &ws->r->s->c[SWM_S_COLOR_FOCUS].pixel);
3159
3160                 if (ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
3161                     ws->always_raise) {
3162                         /* If a parent exists, map it first. */
3163                         if (parent) {
3164                                 map_window(parent);
3165
3166                                 /* Map siblings next. */
3167                                 TAILQ_FOREACH(w, &ws->winlist, entry)
3168                                         if (w != win && !w->iconic &&
3169                                             w->transient == parent->id)
3170                                                 map_window(w);
3171                         }
3172
3173                         /* Map focused window. */
3174                         map_window(win);
3175
3176                         /* Finally, map children of focus window. */
3177                         TAILQ_FOREACH(w, &ws->winlist, entry)
3178                                 if (w->transient == win->id && !w->iconic)
3179                                         map_window(w);
3180
3181                 }
3182
3183                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3184                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
3185                     &win->id);
3186         }
3187
3188 out:
3189         bar_update();
3190
3191         DNPRINTF(SWM_D_FOCUS, "focus_win: done.\n");
3192 }
3193
3194 /* If a child window should have focus instead, return it. */
3195 struct ws_win *
3196 get_focus_magic(struct ws_win *win)
3197 {
3198         struct ws_win   *parent = NULL;
3199         struct ws_win   *child = NULL;
3200
3201         DNPRINTF(SWM_D_FOCUS, "get_focus_magic: window: 0x%x\n", WINID(win));
3202         if (win == NULL)
3203                 return win;
3204
3205         if (win->transient) {
3206                 parent = find_window(win->transient);
3207
3208                 /* If parent prefers focus elsewhere, then try to do so. */
3209                 if (parent && (child = parent->focus_child)) {
3210                         if (validate_win(child) == 0 && child->mapped)
3211                                 win = child;
3212                         else
3213                                 parent->focus_child = NULL;
3214                 }
3215         }
3216
3217         /* If this window prefers focus elsewhere, then try to do so. */
3218         if ((child = win->focus_child)) {
3219                 if (validate_win(child) == 0 && child->mapped)
3220                         win = child;
3221                 else
3222                         win->focus_child = NULL;
3223         }
3224
3225         return win;
3226 }
3227
3228 void
3229 event_drain(uint8_t rt)
3230 {
3231         xcb_generic_event_t     *evt;
3232
3233         /* ensure all pending requests have been processed before filtering. */
3234         xcb_aux_sync(conn);
3235         while ((evt = xcb_poll_for_event(conn))) {
3236                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
3237                         event_handle(evt);
3238
3239                 free(evt);
3240         }
3241 }
3242
3243 void
3244 switchws(struct swm_region *r, union arg *args)
3245 {
3246         int                     wsid = args->id, unmap_old = 0;
3247         struct swm_region       *this_r, *other_r;
3248         struct ws_win           *win;
3249         struct workspace        *new_ws, *old_ws;
3250
3251         if (!(r && r->s))
3252                 return;
3253
3254         if (wsid >= workspace_limit)
3255                 return;
3256
3257         this_r = r;
3258         old_ws = this_r->ws;
3259         new_ws = &this_r->s->ws[wsid];
3260
3261         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
3262             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
3263
3264         if (new_ws == NULL || old_ws == NULL)
3265                 return;
3266         if (new_ws == old_ws)
3267                 return;
3268
3269         unfocus_win(old_ws->focus);
3270
3271         other_r = new_ws->r;
3272         if (other_r == NULL) {
3273                 /* the other workspace is hidden, hide this one */
3274                 old_ws->r = NULL;
3275                 unmap_old = 1;
3276         } else {
3277                 /* the other ws is visible in another region, exchange them */
3278                 other_r->ws_prior = new_ws;
3279                 other_r->ws = old_ws;
3280                 old_ws->r = other_r;
3281         }
3282         this_r->ws_prior = old_ws;
3283         this_r->ws = new_ws;
3284         new_ws->r = this_r;
3285
3286         /* Set focus_pending before stacking. */
3287         if (focus_mode != SWM_FOCUS_FOLLOW)
3288                 new_ws->focus_pending = get_region_focus(new_ws->r);
3289
3290         stack();
3291
3292         /* unmap old windows */
3293         if (unmap_old)
3294                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
3295                         unmap_window(win);
3296
3297         /* if workspaces were swapped, then don't wait to set focus */
3298         if (old_ws->r && focus_mode != SWM_FOCUS_FOLLOW) {
3299                 if (new_ws->focus_pending) {
3300                         focus_win(new_ws->focus_pending);
3301                 } else {
3302                         /* Empty region, focus on root. */
3303                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3304                             new_ws->r->s[new_ws->r->s->idx].root,
3305                             XCB_CURRENT_TIME);
3306                 }
3307         }
3308
3309         /* Clear bar if new ws is empty. */
3310         if (new_ws->focus_pending == NULL)
3311                 bar_update();
3312
3313         focus_flush();
3314
3315         DNPRINTF(SWM_D_WS, "switchws: done.\n");
3316 }
3317
3318 void
3319 cyclews(struct swm_region *r, union arg *args)
3320 {
3321         union                   arg a;
3322         struct swm_screen       *s = r->s;
3323         int                     cycle_all = 0;
3324
3325         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3326             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3327
3328         a.id = r->ws->idx;
3329         do {
3330                 switch (args->id) {
3331                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
3332                         cycle_all = 1;
3333                         /* FALLTHROUGH */
3334                 case SWM_ARG_ID_CYCLEWS_UP:
3335                         if (a.id < workspace_limit - 1)
3336                                 a.id++;
3337                         else
3338                                 a.id = 0;
3339                         break;
3340                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
3341                         cycle_all = 1;
3342                         /* FALLTHROUGH */
3343                 case SWM_ARG_ID_CYCLEWS_DOWN:
3344                         if (a.id > 0)
3345                                 a.id--;
3346                         else
3347                                 a.id = workspace_limit - 1;
3348                         break;
3349                 default:
3350                         return;
3351                 };
3352
3353                 if (!cycle_all &&
3354                     (!cycle_empty && TAILQ_EMPTY(&s->ws[a.id].winlist)))
3355                         continue;
3356                 if (!cycle_visible && s->ws[a.id].r != NULL)
3357                         continue;
3358
3359                 switchws(r, &a);
3360         } while (a.id != r->ws->idx);
3361 }
3362
3363 void
3364 priorws(struct swm_region *r, union arg *args)
3365 {
3366         union arg               a;
3367
3368         (void)args;
3369
3370         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3371             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3372
3373         if (r->ws_prior == NULL)
3374                 return;
3375
3376         a.id = r->ws_prior->idx;
3377         switchws(r, &a);
3378 }
3379
3380 void
3381 cyclescr(struct swm_region *r, union arg *args)
3382 {
3383         struct ws_win           *nfw;
3384         struct swm_region       *rr = NULL;
3385         int                     i, num_screens;
3386
3387         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3388         /* do nothing if we don't have more than one screen */
3389         if (!(num_screens > 1 || outputs > 1))
3390                 return;
3391
3392         i = r->s->idx;
3393         switch (args->id) {
3394         case SWM_ARG_ID_CYCLESC_UP:
3395                 rr = TAILQ_NEXT(r, entry);
3396                 if (rr == NULL)
3397                         rr = TAILQ_FIRST(&screens[i].rl);
3398                 break;
3399         case SWM_ARG_ID_CYCLESC_DOWN:
3400                 rr = TAILQ_PREV(r, swm_region_list, entry);
3401                 if (rr == NULL)
3402                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
3403                 break;
3404         default:
3405                 return;
3406         };
3407         if (rr == NULL)
3408                 return;
3409
3410         nfw = get_region_focus(rr);
3411         if (nfw) {
3412                 focus_win(nfw);
3413         } else {
3414                 /* New region is empty; unfocus old region and warp pointer. */
3415                 unfocus_win(r->ws->focus);
3416                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3417                                 rr->s[i].root, XCB_CURRENT_TIME);
3418
3419                 /* Clear bar since empty. */
3420                 bar_update();
3421         }
3422
3423         focus_flush();
3424 }
3425
3426 void
3427 sort_windows(struct ws_win_list *wl)
3428 {
3429         struct ws_win           *win, *parent, *nxt;
3430
3431         if (wl == NULL)
3432                 return;
3433
3434         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
3435                 nxt = TAILQ_NEXT(win, entry);
3436                 if (win->transient) {
3437                         parent = find_window(win->transient);
3438                         if (parent == NULL) {
3439                                 warnx("not possible bug");
3440                                 continue;
3441                         }
3442                         TAILQ_REMOVE(wl, win, entry);
3443                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
3444                 }
3445         }
3446
3447 }
3448
3449 void
3450 swapwin(struct swm_region *r, union arg *args)
3451 {
3452         struct ws_win           *target, *source;
3453         struct ws_win           *cur_focus;
3454         struct ws_win_list      *wl;
3455
3456         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3457             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3458
3459         cur_focus = r->ws->focus;
3460         if (cur_focus == NULL)
3461                 return;
3462
3463         source = cur_focus;
3464         wl = &source->ws->winlist;
3465
3466         switch (args->id) {
3467         case SWM_ARG_ID_SWAPPREV:
3468                 if (source->transient)
3469                         source = find_window(source->transient);
3470                 target = TAILQ_PREV(source, ws_win_list, entry);
3471                 if (target && target->transient)
3472                         target = find_window(target->transient);
3473                 TAILQ_REMOVE(wl, source, entry);
3474                 if (target == NULL)
3475                         TAILQ_INSERT_TAIL(wl, source, entry);
3476                 else
3477                         TAILQ_INSERT_BEFORE(target, source, entry);
3478                 break;
3479         case SWM_ARG_ID_SWAPNEXT:
3480                 target = TAILQ_NEXT(source, entry);
3481                 /* move the parent and let the sort handle the move */
3482                 if (source->transient)
3483                         source = find_window(source->transient);
3484                 TAILQ_REMOVE(wl, source, entry);
3485                 if (target == NULL)
3486                         TAILQ_INSERT_HEAD(wl, source, entry);
3487                 else
3488                         TAILQ_INSERT_AFTER(wl, target, source, entry);
3489                 break;
3490         case SWM_ARG_ID_SWAPMAIN:
3491                 target = TAILQ_FIRST(wl);
3492                 if (target == source) {
3493                         if (source->ws->focus_prev != NULL &&
3494                             source->ws->focus_prev != target)
3495                                 source = source->ws->focus_prev;
3496                         else
3497                                 return;
3498                 }
3499                 if (target == NULL || source == NULL)
3500                         return;
3501                 source->ws->focus_prev = target;
3502                 TAILQ_REMOVE(wl, target, entry);
3503                 TAILQ_INSERT_BEFORE(source, target, entry);
3504                 TAILQ_REMOVE(wl, source, entry);
3505                 TAILQ_INSERT_HEAD(wl, source, entry);
3506                 break;
3507         case SWM_ARG_ID_MOVELAST:
3508                 TAILQ_REMOVE(wl, source, entry);
3509                 TAILQ_INSERT_TAIL(wl, source, entry);
3510                 break;
3511         default:
3512                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
3513                 return;
3514         }
3515
3516         sort_windows(wl);
3517
3518         stack();
3519
3520         focus_flush();
3521 }
3522
3523 struct ws_win *
3524 get_focus_prev(struct ws_win *win)
3525 {
3526         struct ws_win           *winfocus = NULL;
3527         struct ws_win           *cur_focus = NULL;
3528         struct ws_win_list      *wl = NULL;
3529         struct workspace        *ws = NULL;
3530
3531         if (!(win && win->ws))
3532                 return NULL;
3533
3534         ws = win->ws;
3535         wl = &ws->winlist;
3536         cur_focus = ws->focus;
3537
3538         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: window: 0x%x, cur_focus: 0x%x\n",
3539             WINID(win), WINID(cur_focus));
3540
3541         /* pickle, just focus on whatever */
3542         if (cur_focus == NULL) {
3543                 /* use prev_focus if valid */
3544                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
3545                     find_window(WINID(ws->focus_prev)))
3546                         winfocus = ws->focus_prev;
3547                 goto done;
3548         }
3549
3550         /* if transient focus on parent */
3551         if (cur_focus->transient) {
3552                 winfocus = find_window(cur_focus->transient);
3553                 goto done;
3554         }
3555
3556         /* if in max_stack try harder */
3557         if ((win->quirks & SWM_Q_FOCUSPREV) ||
3558             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
3559                 if (cur_focus != ws->focus_prev)
3560                         winfocus = ws->focus_prev;
3561                 else
3562                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3563                 if (winfocus)
3564                         goto done;
3565         }
3566
3567         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: focus_close: %d\n", focus_close);
3568
3569         if (winfocus == NULL || winfocus == win) {
3570                 switch (focus_close) {
3571                 case SWM_STACK_BOTTOM:
3572                         winfocus = TAILQ_FIRST(wl);
3573                         break;
3574                 case SWM_STACK_TOP:
3575                         winfocus = TAILQ_LAST(wl, ws_win_list);
3576                         break;
3577                 case SWM_STACK_ABOVE:
3578                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
3579                                 if (focus_close_wrap)
3580                                         winfocus = TAILQ_FIRST(wl);
3581                                 else
3582                                         winfocus = TAILQ_PREV(cur_focus,
3583                                             ws_win_list, entry);
3584                         }
3585                         break;
3586                 case SWM_STACK_BELOW:
3587                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
3588                             entry)) == NULL) {
3589                                 if (focus_close_wrap)
3590                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3591                                 else
3592                                         winfocus = TAILQ_NEXT(cur_focus, entry);
3593                         }
3594                         break;
3595                 }
3596         }
3597 done:
3598         if (winfocus == NULL) {
3599                 if (focus_default == SWM_STACK_TOP)
3600                         winfocus = TAILQ_LAST(wl, ws_win_list);
3601                 else
3602                         winfocus = TAILQ_FIRST(wl);
3603         }
3604
3605         kill_refs(win);
3606
3607         return get_focus_magic(winfocus);
3608 }
3609
3610 struct ws_win *
3611 get_region_focus(struct swm_region *r)
3612 {
3613         struct ws_win           *winfocus = NULL;
3614
3615         if (!(r && r->ws))
3616                 return NULL;
3617
3618         if (r->ws->focus && !r->ws->focus->iconic)
3619                 winfocus = r->ws->focus;
3620         else if (r->ws->focus_prev && !r->ws->focus_prev->iconic)
3621                 winfocus = r->ws->focus_prev;
3622         else
3623                 TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3624                         if (!winfocus->iconic)
3625                                 break;
3626
3627         return get_focus_magic(winfocus);
3628 }
3629
3630 void
3631 focus(struct swm_region *r, union arg *args)
3632 {
3633         struct ws_win           *head, *cur_focus = NULL, *winfocus = NULL;
3634         struct ws_win_list      *wl = NULL;
3635         struct workspace        *ws = NULL;
3636         int                     all_iconics;
3637
3638         if (!(r && r->ws))
3639                 return;
3640
3641         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
3642
3643         if ((cur_focus = r->ws->focus) == NULL)
3644                 return;
3645         ws = r->ws;
3646         wl = &ws->winlist;
3647         if (TAILQ_EMPTY(wl))
3648                 return;
3649         /* make sure there is at least one uniconified window */
3650         all_iconics = 1;
3651         TAILQ_FOREACH(winfocus, wl, entry)
3652                 if (!winfocus->iconic) {
3653                         all_iconics = 0;
3654                         break;
3655                 }
3656         if (all_iconics)
3657                 return;
3658
3659         switch (args->id) {
3660         case SWM_ARG_ID_FOCUSPREV:
3661                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3662                 if (head == NULL)
3663                         head = TAILQ_LAST(wl, ws_win_list);
3664                 winfocus = head;
3665                 if (WINID(winfocus) == cur_focus->transient) {
3666                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3667                         if (head == NULL)
3668                                 head = TAILQ_LAST(wl, ws_win_list);
3669                         winfocus = head;
3670                 }
3671
3672                 /* skip iconics */
3673                 if (winfocus && winfocus->iconic) {
3674                         while (winfocus != cur_focus) {
3675                                 if (winfocus == NULL)
3676                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3677                                 if (!winfocus->iconic)
3678                                         break;
3679                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3680                                     entry);
3681                         }
3682                 }
3683                 break;
3684
3685         case SWM_ARG_ID_FOCUSNEXT:
3686                 head = TAILQ_NEXT(cur_focus, entry);
3687                 if (head == NULL)
3688                         head = TAILQ_FIRST(wl);
3689                 winfocus = head;
3690
3691                 /* skip iconics */
3692                 if (winfocus && winfocus->iconic) {
3693                         while (winfocus != cur_focus) {
3694                                 if (winfocus == NULL)
3695                                         winfocus = TAILQ_FIRST(wl);
3696                                 if (!winfocus->iconic)
3697                                         break;
3698                                 winfocus = TAILQ_NEXT(winfocus, entry);
3699                         }
3700                 }
3701                 break;
3702
3703         case SWM_ARG_ID_FOCUSMAIN:
3704                 winfocus = TAILQ_FIRST(wl);
3705                 if (winfocus == cur_focus)
3706                         winfocus = cur_focus->ws->focus_prev;
3707                 break;
3708
3709         default:
3710                 return;
3711         }
3712
3713         focus_win(get_focus_magic(winfocus));
3714
3715         focus_flush();
3716 }
3717
3718 void
3719 cycle_layout(struct swm_region *r, union arg *args)
3720 {
3721         struct workspace        *ws = r->ws;
3722
3723         /* suppress unused warning since var is needed */
3724         (void)args;
3725
3726         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3727
3728         ws->cur_layout++;
3729         if (ws->cur_layout->l_stack == NULL)
3730                 ws->cur_layout = &layouts[0];
3731
3732         stack();
3733         bar_update();
3734
3735         focus_win(get_region_focus(r));
3736
3737         focus_flush();
3738 }
3739
3740 void
3741 stack_config(struct swm_region *r, union arg *args)
3742 {
3743         struct workspace        *ws = r->ws;
3744
3745         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3746             args->id, ws->idx);
3747
3748         if (ws->cur_layout->l_config != NULL)
3749                 ws->cur_layout->l_config(ws, args->id);
3750
3751         if (args->id != SWM_ARG_ID_STACKINIT)
3752                 stack();
3753         bar_update();
3754
3755         focus_flush();
3756 }
3757
3758 void
3759 stack(void) {
3760         struct swm_geometry     g;
3761         struct swm_region       *r;
3762         int                     i, num_screens;
3763 #ifdef SWM_DEBUG
3764         int j;
3765 #endif
3766
3767         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3768
3769         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3770         for (i = 0; i < num_screens; i++) {
3771 #ifdef SWM_DEBUG
3772                 j = 0;
3773 #endif
3774                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3775                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3776                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3777
3778                         /* start with screen geometry, adjust for bar */
3779                         g = r->g;
3780                         g.w -= 2 * border_width;
3781                         g.h -= 2 * border_width;
3782                         if (bar_enabled) {
3783                                 if (!bar_at_bottom)
3784                                         g.y += bar_height;
3785                                 g.h -= bar_height;
3786                         }
3787                         r->ws->cur_layout->l_stack(r->ws, &g);
3788                         r->ws->cur_layout->l_string(r->ws);
3789                         /* save r so we can track region changes */
3790                         r->ws->old_r = r;
3791                 }
3792         }
3793         if (font_adjusted)
3794                 font_adjusted--;
3795
3796         DNPRINTF(SWM_D_STACK, "stack: end\n");
3797 }
3798
3799 void
3800 store_float_geom(struct ws_win *win, struct swm_region *r)
3801 {
3802         if (win == NULL || r == NULL)
3803                 return;
3804
3805         /* retain window geom and region geom */
3806         win->g_float = win->g;
3807         win->g_float.x -= X(r);
3808         win->g_float.y -= Y(r);
3809         win->g_floatvalid = 1;
3810         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3811             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3812             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3813             win->g_float.w, win->g_float.h);
3814 }
3815
3816 void
3817 load_float_geom(struct ws_win *win, struct swm_region *r)
3818 {
3819         if (win == NULL || r == NULL)
3820                 return;
3821
3822         if (win->g_floatvalid) {
3823                 win->g = win->g_float;
3824                 X(win) += X(r);
3825                 Y(win) += Y(r);
3826                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g: (%d,%d)"
3827                     "%d x %d\n", win->id, X(win), Y(win), WIDTH(win),
3828                     HEIGHT(win));
3829         } else {
3830                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g_float "
3831                     "is not set.\n", win->id);
3832         }
3833 }
3834
3835 void
3836 stack_floater(struct ws_win *win, struct swm_region *r)
3837 {
3838         if (win == NULL)
3839                 return;
3840
3841         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3842
3843         /*
3844          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3845          * geom on ws switches or return from max mode
3846          */
3847         if (win->floatmaxed || (r != r->ws->old_r &&
3848             !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
3849                 /* update geometry for the new region */
3850                 load_float_geom(win, r);
3851         }
3852
3853         win->floatmaxed = 0;
3854
3855         /*
3856          * if set to fullscreen mode, configure window to maximum size.
3857          */
3858         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3859                 if (!win->g_floatvalid)
3860                         store_float_geom(win, win->ws->r);
3861
3862                 win->g = r->g;
3863         }
3864
3865         /*
3866          * remove border on fullscreen floater when in fullscreen mode or when
3867          * the quirk is present.
3868          */
3869         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3870             ((win->quirks & SWM_Q_FULLSCREEN) &&
3871              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3872                 if (win->bordered) {
3873                         win->bordered = 0;
3874                         X(win) += border_width;
3875                         Y(win) += border_width;
3876                 }
3877         } else if (!win->bordered) {
3878                 win->bordered = 1;
3879                 X(win) -= border_width;
3880                 Y(win) -= border_width;
3881         }
3882
3883         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3884                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3885                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3886         }
3887
3888         if (!win->manual && !(win->ewmh_flags & EWMH_F_FULLSCREEN) &&
3889             !(win->quirks & SWM_Q_ANYWHERE)) {
3890                 /*
3891                  * floaters and transients are auto-centred unless moved,
3892                  * resized or ANYWHERE quirk is set.
3893                  */
3894                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3895                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3896
3897                 store_float_geom(win, r);
3898         }
3899
3900         /* keep window within region bounds */
3901         constrain_window(win, r, 0);
3902
3903         update_window(win);
3904 }
3905
3906 /*
3907  * Send keystrokes to terminal to decrease/increase the font size as the
3908  * window size changes.
3909  */
3910 void
3911 adjust_font(struct ws_win *win)
3912 {
3913         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3914             win->floating || win->transient)
3915                 return;
3916
3917         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3918             WIDTH(win) / win->sh.width_inc < term_width &&
3919             win->font_steps < SWM_MAX_FONT_STEPS) {
3920                 win->font_size_boundary[win->font_steps] =
3921                     (win->sh.width_inc * term_width) + win->sh.base_width;
3922                 win->font_steps++;
3923                 font_adjusted++;
3924                 win->last_inc = win->sh.width_inc;
3925                 fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
3926         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3927             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3928                 win->font_steps--;
3929                 font_adjusted++;
3930                 win->last_inc = win->sh.width_inc;
3931                 fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
3932         }
3933 }
3934
3935 #define SWAPXY(g)       do {                            \
3936         int tmp;                                        \
3937         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3938         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3939 } while (0)
3940 void
3941 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3942 {
3943         struct swm_geometry     win_g, r_g = *g;
3944         struct ws_win           *win, *fs_win = NULL;
3945         int                     i, j, s, stacks;
3946         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3947         int                     hrh, extra = 0, h_slice, last_h = 0;
3948         int                     split, colno, winno, mwin, msize, mscale;
3949         int                     remain, missing, v_slice, reconfigure = 0;
3950         int                     bordered = 1;
3951
3952         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3953             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3954
3955         winno = count_win(ws, 0);
3956         if (winno == 0 && count_win(ws, 1) == 0)
3957                 return;
3958
3959         TAILQ_FOREACH(win, &ws->winlist, entry)
3960                 if (!win->transient && !win->floating && !win->iconic)
3961                         break;
3962
3963         if (win == NULL)
3964                 goto notiles;
3965
3966         if (rot) {
3967                 w_inc = win->sh.width_inc;
3968                 w_base = win->sh.base_width;
3969                 mwin = ws->l_state.horizontal_mwin;
3970                 mscale = ws->l_state.horizontal_msize;
3971                 stacks = ws->l_state.horizontal_stacks;
3972                 SWAPXY(&r_g);
3973         } else {
3974                 w_inc = win->sh.height_inc;
3975                 w_base = win->sh.base_height;
3976                 mwin = ws->l_state.vertical_mwin;
3977                 mscale = ws->l_state.vertical_msize;
3978                 stacks = ws->l_state.vertical_stacks;
3979         }
3980         win_g = r_g;
3981
3982         if (stacks > winno - mwin)
3983                 stacks = winno - mwin;
3984         if (stacks < 1)
3985                 stacks = 1;
3986
3987         h_slice = r_g.h / SWM_H_SLICE;
3988         if (mwin && winno > mwin) {
3989                 v_slice = r_g.w / SWM_V_SLICE;
3990
3991                 split = mwin;
3992                 colno = split;
3993                 win_g.w = v_slice * mscale;
3994
3995                 if (w_inc > 1 && w_inc < v_slice) {
3996                         /* adjust for window's requested size increment */
3997                         remain = (win_g.w - w_base) % w_inc;
3998                         win_g.w -= remain;
3999                 }
4000
4001                 msize = win_g.w;
4002                 if (flip)
4003                         win_g.x += r_g.w - msize;
4004         } else {
4005                 msize = -2;
4006                 colno = split = winno / stacks;
4007                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
4008                     2 * border_width) / stacks);
4009         }
4010         hrh = r_g.h / colno;
4011         extra = r_g.h - (colno * hrh);
4012         win_g.h = hrh - 2 * border_width;
4013
4014         /*  stack all the tiled windows */
4015         i = j = 0, s = stacks;
4016         TAILQ_FOREACH(win, &ws->winlist, entry) {
4017                 if (win->transient || win->floating)
4018                         continue;
4019                 if (win->iconic)
4020                         continue;
4021
4022                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4023                         fs_win = win;
4024                         continue;
4025                 }
4026
4027                 if (split && i == split) {
4028                         colno = (winno - mwin) / stacks;
4029                         if (s <= (winno - mwin) % stacks)
4030                                 colno++;
4031                         split = split + colno;
4032                         hrh = (r_g.h / colno);
4033                         extra = r_g.h - (colno * hrh);
4034                         if (flip)
4035                                 win_g.x = r_g.x;
4036                         else
4037                                 win_g.x += win_g.w + 2 * border_width;
4038                         win_g.w = (r_g.w - msize -
4039                             (stacks * 2 * border_width)) / stacks;
4040                         if (s == 1)
4041                                 win_g.w += (r_g.w - msize -
4042                                     (stacks * 2 * border_width)) % stacks;
4043                         s--;
4044                         j = 0;
4045                 }
4046                 win_g.h = hrh - 2 * border_width;
4047                 if (rot) {
4048                         h_inc = win->sh.width_inc;
4049                         h_base = win->sh.base_width;
4050                 } else {
4051                         h_inc = win->sh.height_inc;
4052                         h_base = win->sh.base_height;
4053                 }
4054                 if (j == colno - 1) {
4055                         win_g.h = hrh + extra;
4056                 } else if (h_inc > 1 && h_inc < h_slice) {
4057                         /* adjust for window's requested size increment */
4058                         remain = (win_g.h - h_base) % h_inc;
4059                         missing = h_inc - remain;
4060
4061                         if (missing <= extra || j == 0) {
4062                                 extra -= missing;
4063                                 win_g.h += missing;
4064                         } else {
4065                                 win_g.h -= remain;
4066                                 extra += remain;
4067                         }
4068                 }
4069
4070                 if (j == 0)
4071                         win_g.y = r_g.y;
4072                 else
4073                         win_g.y += last_h + 2 * border_width;
4074
4075                 if (disable_border && !bar_enabled && winno == 1){
4076                         bordered = 0;
4077                         win_g.w += 2 * border_width;
4078                         win_g.h += 2 * border_width;
4079                 } else {
4080                         bordered = 1;
4081                 }
4082                 if (rot) {
4083                         if (X(win) != win_g.y || Y(win) != win_g.x ||
4084                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
4085                                 reconfigure = 1;
4086                                 X(win) = win_g.y;
4087                                 Y(win) = win_g.x;
4088                                 WIDTH(win) = win_g.h;
4089                                 HEIGHT(win) = win_g.w;
4090                         }
4091                 } else {
4092                         if (X(win) != win_g.x || Y(win) != win_g.y ||
4093                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
4094                                 reconfigure = 1;
4095                                 X(win) = win_g.x;
4096                                 Y(win) = win_g.y;
4097                                 WIDTH(win) = win_g.w;
4098                                 HEIGHT(win) = win_g.h;
4099                         }
4100                 }
4101
4102                 if (bordered != win->bordered) {
4103                         reconfigure = 1;
4104                         win->bordered = bordered;
4105                 }
4106
4107                 if (reconfigure) {
4108                         adjust_font(win);
4109                         update_window(win);
4110                 }
4111
4112                 map_window(win);
4113
4114                 last_h = win_g.h;
4115                 i++;
4116                 j++;
4117         }
4118
4119 notiles:
4120         /* now, stack all the floaters and transients */
4121         TAILQ_FOREACH(win, &ws->winlist, entry) {
4122                 if (!win->transient && !win->floating)
4123                         continue;
4124                 if (win->iconic)
4125                         continue;
4126                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4127                         fs_win = win;
4128                         continue;
4129                 }
4130
4131                 stack_floater(win, ws->r);
4132                 map_window(win);
4133         }
4134
4135         /* Make sure fs_win is stacked last so it's on top. */
4136         if (fs_win) {
4137                 stack_floater(fs_win, ws->r);
4138                 map_window(fs_win);
4139         }
4140 }
4141
4142 void
4143 vertical_config(struct workspace *ws, int id)
4144 {
4145         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
4146             id, ws->idx);
4147
4148         switch (id) {
4149         case SWM_ARG_ID_STACKRESET:
4150         case SWM_ARG_ID_STACKINIT:
4151                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
4152                 ws->l_state.vertical_mwin = 1;
4153                 ws->l_state.vertical_stacks = 1;
4154                 break;
4155         case SWM_ARG_ID_MASTERSHRINK:
4156                 if (ws->l_state.vertical_msize > 1)
4157                         ws->l_state.vertical_msize--;
4158                 break;
4159         case SWM_ARG_ID_MASTERGROW:
4160                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
4161                         ws->l_state.vertical_msize++;
4162                 break;
4163         case SWM_ARG_ID_MASTERADD:
4164                 ws->l_state.vertical_mwin++;
4165                 break;
4166         case SWM_ARG_ID_MASTERDEL:
4167                 if (ws->l_state.vertical_mwin > 0)
4168                         ws->l_state.vertical_mwin--;
4169                 break;
4170         case SWM_ARG_ID_STACKINC:
4171                 ws->l_state.vertical_stacks++;
4172                 break;
4173         case SWM_ARG_ID_STACKDEC:
4174                 if (ws->l_state.vertical_stacks > 1)
4175                         ws->l_state.vertical_stacks--;
4176                 break;
4177         case SWM_ARG_ID_FLIPLAYOUT:
4178                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
4179                 break;
4180         default:
4181                 return;
4182         }
4183 }
4184
4185 void
4186 vertical_stack(struct workspace *ws, struct swm_geometry *g)
4187 {
4188         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
4189
4190         stack_master(ws, g, 0, ws->l_state.vertical_flip);
4191 }
4192
4193 void
4194 horizontal_config(struct workspace *ws, int id)
4195 {
4196         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
4197
4198         switch (id) {
4199         case SWM_ARG_ID_STACKRESET:
4200         case SWM_ARG_ID_STACKINIT:
4201                 ws->l_state.horizontal_mwin = 1;
4202                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
4203                 ws->l_state.horizontal_stacks = 1;
4204                 break;
4205         case SWM_ARG_ID_MASTERSHRINK:
4206                 if (ws->l_state.horizontal_msize > 1)
4207                         ws->l_state.horizontal_msize--;
4208                 break;
4209         case SWM_ARG_ID_MASTERGROW:
4210                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
4211                         ws->l_state.horizontal_msize++;
4212                 break;
4213         case SWM_ARG_ID_MASTERADD:
4214                 ws->l_state.horizontal_mwin++;
4215                 break;
4216         case SWM_ARG_ID_MASTERDEL:
4217                 if (ws->l_state.horizontal_mwin > 0)
4218                         ws->l_state.horizontal_mwin--;
4219                 break;
4220         case SWM_ARG_ID_STACKINC:
4221                 ws->l_state.horizontal_stacks++;
4222                 break;
4223         case SWM_ARG_ID_STACKDEC:
4224                 if (ws->l_state.horizontal_stacks > 1)
4225                         ws->l_state.horizontal_stacks--;
4226                 break;
4227         case SWM_ARG_ID_FLIPLAYOUT:
4228                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
4229                 break;
4230         default:
4231                 return;
4232         }
4233 }
4234
4235 void
4236 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
4237 {
4238         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
4239
4240         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
4241 }
4242
4243 /* fullscreen view */
4244 void
4245 max_stack(struct workspace *ws, struct swm_geometry *g)
4246 {
4247         struct swm_geometry     gg = *g;
4248         struct ws_win           *w, *win = NULL, *parent = NULL;
4249         int                     winno, num_screens;
4250
4251         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
4252
4253         if (ws == NULL)
4254                 return;
4255
4256         winno = count_win(ws, 0);
4257         if (winno == 0 && count_win(ws, 1) == 0)
4258                 return;
4259
4260         /* Figure out which top level window should be visible. */
4261         if (ws->focus_pending)
4262                 win = ws->focus_pending;
4263         else if (ws->focus)
4264                 win = ws->focus;
4265         else
4266                 win = TAILQ_FIRST(&ws->winlist);
4267
4268         if (win->transient)
4269                 parent = find_window(win->transient);
4270
4271         DNPRINTF(SWM_D_STACK, "max_stack: win: 0x%x\n", win->id);
4272
4273         /* maximize all top level windows */
4274         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
4275         TAILQ_FOREACH(w, &ws->winlist, entry) {
4276                 if (w->transient || w->iconic)
4277                         continue;
4278
4279                 if (w->floating && !w->floatmaxed) {
4280                         /*
4281                          * retain geometry for retrieval on exit from
4282                          * max_stack mode
4283                          */
4284                         store_float_geom(w, ws->r);
4285                         w->floatmaxed = 1;
4286                 }
4287
4288                 /* only reconfigure if necessary */
4289                 if (X(w) != gg.x || Y(w) != gg.y || WIDTH(w) != gg.w ||
4290                     HEIGHT(w) != gg.h) {
4291                         w->g = gg;
4292                         if (bar_enabled){
4293                                 w->bordered = 1;
4294                         } else {
4295                                 w->bordered = 0;
4296                                 WIDTH(w) += 2 * border_width;
4297                                 HEIGHT(w) += 2 * border_width;
4298                         }
4299
4300                         update_window(w);
4301                 }
4302
4303                 /* Unmap unwanted windows if not multi-screen. */
4304                 if (!(num_screens > 1 || outputs > 1) && (w != win ||
4305                     w != parent || w->transient != win->id))
4306                         unmap_window(w);
4307         }
4308
4309         /* If a parent exists, map it first. */
4310         if (parent) {
4311                 map_window(parent);
4312
4313                 /* Map siblings next. */
4314                 TAILQ_FOREACH(w, &ws->winlist, entry)
4315                         if (w != win && !w->iconic &&
4316                             w->transient == parent->id) {
4317                                 stack_floater(w, ws->r);
4318                                 map_window(w);
4319                         }
4320         }
4321
4322         /* Map focused window. */
4323         map_window(win);
4324
4325         /* Finally, map children of focus window. */
4326         TAILQ_FOREACH(w, &ws->winlist, entry)
4327                 if (w->transient == win->id && !w->iconic) {
4328                         stack_floater(w, ws->r);
4329                         map_window(w);
4330                 }
4331 }
4332
4333 void
4334 send_to_ws(struct swm_region *r, union arg *args)
4335 {
4336         int                     wsid = args->id;
4337         struct ws_win           *win = NULL, *parent;
4338         struct workspace        *ws, *nws, *pws;
4339         char                    ws_idx_str[SWM_PROPLEN];
4340
4341         if (wsid >= workspace_limit)
4342                 return;
4343
4344         if (r && r->ws && r->ws->focus)
4345                 win = r->ws->focus;
4346         else
4347                 return;
4348
4349         if (win->ws->idx == wsid)
4350                 return;
4351
4352         DNPRINTF(SWM_D_MOVE, "send_to_ws: win 0x%x, ws %d -> %d\n", win->id,
4353             win->ws->idx, wsid);
4354
4355         ws = win->ws;
4356         nws = &win->s->ws[wsid];
4357
4358         /* Update the window's workspace property: _SWM_WS */
4359         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
4360                 if (focus_mode != SWM_FOCUS_FOLLOW)
4361                         ws->focus_pending = get_focus_prev(win);
4362
4363                 /* Move the parent if this is a transient window. */
4364                 if (win->transient) {
4365                         parent = find_window(win->transient);
4366                         if (parent) {
4367                                 pws = parent->ws;
4368                                 /* Set new focus in parent's ws if needed. */
4369                                 if (pws->focus == parent) {
4370                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4371                                                 pws->focus_pending =
4372                                                     get_focus_prev(parent);
4373
4374                                         unfocus_win(parent);
4375
4376                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4377                                                 pws->focus = pws->focus_pending;
4378
4379                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4380                                                 pws->focus_pending = NULL;
4381                                 }
4382
4383                                 /* Don't unmap parent if new ws is visible */
4384                                 if (nws->r == NULL)
4385                                         unmap_window(parent);
4386
4387                                 /* Transfer */
4388                                 TAILQ_REMOVE(&ws->winlist, parent, entry);
4389                                 TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
4390                                 parent->ws = nws;
4391
4392                                 DNPRINTF(SWM_D_PROP, "send_to_ws: set "
4393                                     "property: _SWM_WS: %s\n", ws_idx_str);
4394                                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE,
4395                                     parent->id, a_swm_ws, XCB_ATOM_STRING, 8,
4396                                     strlen(ws_idx_str), ws_idx_str);
4397                         }
4398                 }
4399
4400                 unfocus_win(win);
4401
4402                 /* Don't unmap if new ws is visible */
4403                 if (nws->r == NULL)
4404                         unmap_window(win);
4405
4406                 /* Transfer */
4407                 TAILQ_REMOVE(&ws->winlist, win, entry);
4408                 TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
4409                 win->ws = nws;
4410
4411                 /* Set focus on new ws. */
4412                 unfocus_win(nws->focus);
4413                 nws->focus = win;
4414
4415                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
4416                     ws_idx_str);
4417                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
4418                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
4419                     ws_idx_str);
4420
4421                 /* Restack and set new focus. */
4422                 stack();
4423
4424                 if (focus_mode != SWM_FOCUS_FOLLOW) {
4425                         focus_win(ws->focus_pending);
4426                         ws->focus_pending = NULL;
4427                 }
4428
4429                 focus_flush();
4430         }
4431
4432         DNPRINTF(SWM_D_MOVE, "send_to_ws: done.\n");
4433 }
4434
4435 void
4436 pressbutton(struct swm_region *r, union arg *args)
4437 {
4438         /* suppress unused warning since var is needed */
4439         (void)r;
4440
4441         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
4442             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4443         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
4444             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4445 }
4446
4447 void
4448 raise_toggle(struct swm_region *r, union arg *args)
4449 {
4450         /* suppress unused warning since var is needed */
4451         (void)args;
4452
4453         if (r == NULL || r->ws == NULL)
4454                 return;
4455
4456         r->ws->always_raise = !r->ws->always_raise;
4457
4458         /* bring floaters back to top */
4459         if (!r->ws->always_raise)
4460                 stack();
4461
4462         focus_flush();
4463 }
4464
4465 void
4466 iconify(struct swm_region *r, union arg *args)
4467 {
4468         /* suppress unused warning since var is needed */
4469         (void)args;
4470
4471         if (r->ws->focus == NULL)
4472                 return;
4473
4474         set_swm_iconic(r->ws->focus, 1);
4475
4476         xcb_flush(conn);
4477 }
4478
4479 char *
4480 get_win_name(xcb_window_t win)
4481 {
4482         char                            *name = NULL;
4483         xcb_get_property_cookie_t       c;
4484         xcb_get_property_reply_t        *r;
4485
4486         /* First try _NET_WM_NAME for UTF-8. */
4487         c = xcb_get_property(conn, 0, win, a_netwmname,
4488             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4489         r = xcb_get_property_reply(conn, c, NULL);
4490
4491         if (!r || r->type == XCB_NONE) {
4492                 free(r);
4493                 /* Use WM_NAME instead; no UTF-8. */
4494                 c = xcb_get_property(conn, 0, win, XCB_ATOM_WM_NAME,
4495                     XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4496                 r = xcb_get_property_reply(conn, c, NULL);
4497
4498                 if(!r || r->type == XCB_NONE) {
4499                         free(r);
4500                         return NULL;
4501                 }
4502         }
4503
4504         if (r->length > 0)
4505                 name = strndup(xcb_get_property_value(r),
4506                     xcb_get_property_value_length(r));
4507
4508         free(r);
4509         return (name);
4510 }
4511
4512 void
4513 uniconify(struct swm_region *r, union arg *args)
4514 {
4515         struct ws_win           *win;
4516         FILE                    *lfile;
4517         char                    *name;
4518         int                     count = 0;
4519
4520         DNPRINTF(SWM_D_MISC, "uniconify\n");
4521
4522         if (r == NULL || r->ws == NULL)
4523                 return;
4524
4525         /* make sure we have anything to uniconify */
4526         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4527                 if (win->ws == NULL)
4528                         continue; /* should never happen */
4529                 if (!win->iconic)
4530                         continue;
4531                 count++;
4532         }
4533         if (count == 0)
4534                 return;
4535
4536         search_r = r;
4537         search_resp_action = SWM_SEARCH_UNICONIFY;
4538
4539         spawn_select(r, args, "search", &searchpid);
4540
4541         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4542                 return;
4543
4544         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4545                 if (win->ws == NULL)
4546                         continue; /* should never happen */
4547                 if (!win->iconic)
4548                         continue;
4549
4550                 name = get_win_name(win->id);
4551                 if (name == NULL)
4552                         continue;
4553                 fprintf(lfile, "%s.%u\n", name, win->id);
4554                 free(name);
4555         }
4556
4557         fclose(lfile);
4558 }
4559
4560 void
4561 name_workspace(struct swm_region *r, union arg *args)
4562 {
4563         FILE                    *lfile;
4564
4565         DNPRINTF(SWM_D_MISC, "name_workspace\n");
4566
4567         if (r == NULL)
4568                 return;
4569
4570         search_r = r;
4571         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
4572
4573         spawn_select(r, args, "name_workspace", &searchpid);
4574
4575         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4576                 return;
4577
4578         fprintf(lfile, "%s", "");
4579         fclose(lfile);
4580 }
4581
4582 void
4583 search_workspace(struct swm_region *r, union arg *args)
4584 {
4585         int                     i;
4586         struct workspace        *ws;
4587         FILE                    *lfile;
4588
4589         DNPRINTF(SWM_D_MISC, "search_workspace\n");
4590
4591         if (r == NULL)
4592                 return;
4593
4594         search_r = r;
4595         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
4596
4597         spawn_select(r, args, "search", &searchpid);
4598
4599         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4600                 return;
4601
4602         for (i = 0; i < workspace_limit; i++) {
4603                 ws = &r->s->ws[i];
4604                 if (ws == NULL)
4605                         continue;
4606                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
4607                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
4608         }
4609
4610         fclose(lfile);
4611 }
4612
4613 void
4614 search_win_cleanup(void)
4615 {
4616         struct search_window    *sw = NULL;
4617
4618         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
4619                 xcb_destroy_window(conn, sw->indicator);
4620                 TAILQ_REMOVE(&search_wl, sw, entry);
4621                 free(sw);
4622         }
4623 }
4624
4625 void
4626 search_win(struct swm_region *r, union arg *args)
4627 {
4628         struct ws_win           *win = NULL;
4629         struct search_window    *sw = NULL;
4630         xcb_window_t            w;
4631         uint32_t                wa[2];
4632         int                     i, width, height;
4633         char                    s[8];
4634         FILE                    *lfile;
4635         size_t                  len;
4636         XftDraw                 *draw;
4637         XGlyphInfo              info;
4638         GC                      l_draw;
4639         XGCValues               l_gcv;
4640         XRectangle              l_ibox, l_lbox;
4641
4642         DNPRINTF(SWM_D_MISC, "search_win\n");
4643
4644         search_r = r;
4645         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
4646
4647         spawn_select(r, args, "search", &searchpid);
4648
4649         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4650                 return;
4651
4652         TAILQ_INIT(&search_wl);
4653
4654         i = 1;
4655         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4656                 if (win->iconic)
4657                         continue;
4658
4659                 sw = calloc(1, sizeof(struct search_window));
4660                 if (sw == NULL) {
4661                         warn("search_win: calloc");
4662                         fclose(lfile);
4663                         search_win_cleanup();
4664                         return;
4665                 }
4666                 sw->idx = i;
4667                 sw->win = win;
4668
4669                 snprintf(s, sizeof s, "%d", i);
4670                 len = strlen(s);
4671
4672                 w = xcb_generate_id(conn);
4673                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
4674                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].pixel;
4675
4676                 if (bar_font_legacy) {
4677                         XmbTextExtents(bar_fs, s, len, &l_ibox, &l_lbox);
4678                         width = l_lbox.width + 4;
4679                         height = bar_fs_extents->max_logical_extent.height + 4;
4680                 } else {
4681                         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len,
4682                             &info);
4683                         width = info.width + 4;
4684                         height = bar_font->height + 4;
4685                 }
4686
4687                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
4688                     width, height, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
4689                     XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL |
4690                     XCB_CW_BORDER_PIXEL, wa);
4691
4692                 xcb_map_window(conn, w);
4693
4694                 sw->indicator = w;
4695                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
4696
4697                 if (bar_font_legacy) {
4698                         l_gcv.graphics_exposures = 0;
4699                         l_draw = XCreateGC(display, w, 0, &l_gcv);
4700
4701                         XSetForeground(display, l_draw,
4702                                 r->s->c[SWM_S_COLOR_BAR].pixel);
4703
4704                         DRAWSTRING(display, w, bar_fs, l_draw, 2,
4705                             (bar_fs_extents->max_logical_extent.height -
4706                             l_lbox.height) / 2 - l_lbox.y, s, len);
4707
4708                         XFreeGC(display, l_draw);
4709                 } else {
4710
4711                         draw = XftDrawCreate(display, w,
4712                             DefaultVisual(display, r->s->idx),
4713                             DefaultColormap(display, r->s->idx));
4714
4715                         XftDrawStringUtf8(draw, &bar_font_color, bar_font, 2,
4716                             (HEIGHT(r->bar) + bar_font->height) / 2 -
4717                             bar_font->descent, (FcChar8 *)s, len);
4718
4719                         XftDrawDestroy(draw);
4720                 }
4721
4722                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
4723
4724                 fprintf(lfile, "%d\n", i);
4725                 i++;
4726         }
4727
4728         fclose(lfile);
4729
4730         xcb_flush(conn);
4731 }
4732
4733 void
4734 search_resp_uniconify(const char *resp, unsigned long len)
4735 {
4736         char                    *name;
4737         struct ws_win           *win;
4738         char                    *s;
4739
4740         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
4741
4742         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
4743                 if (!win->iconic)
4744                         continue;
4745                 name = get_win_name(win->id);
4746                 if (name == NULL)
4747                         continue;
4748                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
4749                         free(name);
4750                         continue;
4751                 }
4752                 free(name);
4753                 if (strncmp(s, resp, len) == 0) {
4754                         /* XXX this should be a callback to generalize */
4755                         set_swm_iconic(win, 0);
4756                         free(s);
4757                         break;
4758                 }
4759                 free(s);
4760         }
4761 }
4762
4763 void
4764 search_resp_name_workspace(const char *resp, unsigned long len)
4765 {
4766         struct workspace        *ws;
4767
4768         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
4769
4770         if (search_r->ws == NULL)
4771                 return;
4772         ws = search_r->ws;
4773
4774         if (ws->name) {
4775                 free(search_r->ws->name);
4776                 search_r->ws->name = NULL;
4777         }
4778
4779         if (len > 1) {
4780                 ws->name = strdup(resp);
4781                 if (ws->name == NULL) {
4782                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
4783                             "strdup: %s", strerror(errno));
4784                         return;
4785                 }
4786         }
4787 }
4788
4789 void
4790 search_resp_search_workspace(const char *resp)
4791 {
4792         char                    *p, *q;
4793         int                     ws_idx;
4794         const char              *errstr;
4795         union arg               a;
4796
4797         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
4798
4799         q = strdup(resp);
4800         if (!q) {
4801                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
4802                     strerror(errno));
4803                 return;
4804         }
4805         p = strchr(q, ':');
4806         if (p != NULL)
4807                 *p = '\0';
4808         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
4809         if (errstr) {
4810                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4811                     errstr, q);
4812                 free(q);
4813                 return;
4814         }
4815         free(q);
4816         a.id = ws_idx - 1;
4817         switchws(search_r, &a);
4818 }
4819
4820 void
4821 search_resp_search_window(const char *resp)
4822 {
4823         char                    *s;
4824         int                     idx;
4825         const char              *errstr;
4826         struct search_window    *sw;
4827
4828         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4829
4830         s = strdup(resp);
4831         if (!s) {
4832                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4833                     strerror(errno));
4834                 return;
4835         }
4836
4837         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
4838         if (errstr) {
4839                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4840                     errstr, s);
4841                 free(s);
4842                 return;
4843         }
4844         free(s);
4845
4846         TAILQ_FOREACH(sw, &search_wl, entry)
4847                 if (idx == sw->idx) {
4848                         focus_win(sw->win);
4849                         break;
4850                 }
4851 }
4852
4853 #define MAX_RESP_LEN    1024
4854
4855 void
4856 search_do_resp(void)
4857 {
4858         ssize_t                 rbytes;
4859         char                    *resp;
4860         unsigned long           len;
4861
4862         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4863
4864         search_resp = 0;
4865         searchpid = 0;
4866
4867         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4868                 warn("search: calloc");
4869                 goto done;
4870         }
4871
4872         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4873         if (rbytes <= 0) {
4874                 warn("search: read error");
4875                 goto done;
4876         }
4877         resp[rbytes] = '\0';
4878
4879         /* XXX:
4880          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4881          * newline, so work around that by sanitizing the resp now.
4882          */
4883         resp[strcspn(resp, "\n")] = '\0';
4884         len = strlen(resp);
4885
4886         switch (search_resp_action) {
4887         case SWM_SEARCH_UNICONIFY:
4888                 search_resp_uniconify(resp, len);
4889                 break;
4890         case SWM_SEARCH_NAME_WORKSPACE:
4891                 search_resp_name_workspace(resp, len);
4892                 break;
4893         case SWM_SEARCH_SEARCH_WORKSPACE:
4894                 search_resp_search_workspace(resp);
4895                 break;
4896         case SWM_SEARCH_SEARCH_WINDOW:
4897                 search_resp_search_window(resp);
4898                 break;
4899         }
4900
4901 done:
4902         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4903                 search_win_cleanup();
4904
4905         search_resp_action = SWM_SEARCH_NONE;
4906         close(select_resp_pipe[0]);
4907         free(resp);
4908
4909         xcb_flush(conn);
4910 }
4911
4912 void
4913 wkill(struct swm_region *r, union arg *args)
4914 {
4915         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4916
4917         if (r->ws->focus == NULL)
4918                 return;
4919
4920         if (args->id == SWM_ARG_ID_KILLWINDOW)
4921                 xcb_kill_client(conn, r->ws->focus->id);
4922         else
4923                 if (r->ws->focus->can_delete)
4924                         client_msg(r->ws->focus, a_delete, 0);
4925
4926         focus_flush();
4927 }
4928
4929 int
4930 floating_toggle_win(struct ws_win *win)
4931 {
4932         struct swm_region       *r;
4933
4934         if (win == NULL)
4935                 return (0);
4936
4937         if (!win->ws->r)
4938                 return (0);
4939
4940         r = win->ws->r;
4941
4942         /* reject floating toggles in max stack mode */
4943         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4944                 return (0);
4945
4946         if (win->floating) {
4947                 if (!win->floatmaxed) {
4948                         /* retain position for refloat */
4949                         store_float_geom(win, r);
4950                 }
4951                 win->floating = 0;
4952         } else {
4953                 load_float_geom(win, r);
4954                 win->floating = 1;
4955         }
4956
4957         ewmh_update_actions(win);
4958
4959         return (1);
4960 }
4961
4962 void
4963 floating_toggle(struct swm_region *r, union arg *args)
4964 {
4965         struct ws_win           *win = r->ws->focus;
4966
4967         /* suppress unused warning since var is needed */
4968         (void)args;
4969
4970         if (win == NULL)
4971                 return;
4972
4973         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4974                 return;
4975
4976         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4977             _NET_WM_STATE_TOGGLE);
4978
4979         stack();
4980
4981         if (win == win->ws->focus)
4982                 focus_win(win);
4983
4984         focus_flush();
4985 }
4986
4987 void
4988 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4989 {
4990         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4991                 if (resizable)
4992                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4993                 else
4994                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4995         }
4996
4997         if (X(win) + BORDER(win) < X(r)) {
4998                 if (resizable)
4999                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
5000
5001                 X(win) = X(r) - BORDER(win);
5002         }
5003
5004         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
5005                 if (resizable)
5006                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
5007                 else
5008                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
5009         }
5010
5011         if (Y(win) + BORDER(win) < Y(r)) {
5012                 if (resizable)
5013                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
5014
5015                 Y(win) = Y(r) - BORDER(win);
5016         }
5017
5018         if (resizable) {
5019                 if (WIDTH(win) < 1)
5020                         WIDTH(win) = 1;
5021                 if (HEIGHT(win) < 1)
5022                         HEIGHT(win) = 1;
5023         }
5024 }
5025
5026 void
5027 update_window(struct ws_win *win)
5028 {
5029         uint16_t        mask;
5030         uint32_t        wc[5];
5031
5032         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
5033             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
5034             XCB_CONFIG_WINDOW_BORDER_WIDTH;
5035         wc[0] = X(win);
5036         wc[1] = Y(win);
5037         wc[2] = WIDTH(win);
5038         wc[3] = HEIGHT(win);
5039         wc[4] = BORDER(win);
5040
5041         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
5042             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
5043             wc[3], YESNO(win->bordered));
5044
5045         xcb_configure_window(conn, win->id, mask, wc);
5046 }
5047
5048 #define SWM_RESIZE_STEPS        (50)
5049
5050 void
5051 resize(struct ws_win *win, union arg *args)
5052 {
5053         xcb_timestamp_t         timestamp = 0;
5054         struct swm_region       *r = NULL;
5055         int                     resize_stp = 0;
5056         struct swm_geometry     g;
5057         int                     top = 0, left = 0, resizing;
5058         int                     dx, dy;
5059         xcb_cursor_t                    cursor;
5060         xcb_query_pointer_reply_t       *xpr;
5061         xcb_generic_event_t             *evt;
5062         xcb_motion_notify_event_t       *mne;
5063
5064         if (win == NULL)
5065                 return;
5066         r = win->ws->r;
5067
5068         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5069                 return;
5070
5071         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
5072             "transient: 0x%x\n", win->id, YESNO(win->floating),
5073             win->transient);
5074
5075         if (!win->transient && !win->floating)
5076                 return;
5077
5078         /* reject resizes in max mode for floaters (transient ok) */
5079         if (win->floatmaxed)
5080                 return;
5081
5082         win->manual = 1;
5083         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5084             _NET_WM_STATE_ADD);
5085
5086         stack();
5087
5088         focus_flush();
5089
5090         switch (args->id) {
5091         case SWM_ARG_ID_WIDTHSHRINK:
5092                 WIDTH(win) -= SWM_RESIZE_STEPS;
5093                 resize_stp = 1;
5094                 break;
5095         case SWM_ARG_ID_WIDTHGROW:
5096                 WIDTH(win) += SWM_RESIZE_STEPS;
5097                 resize_stp = 1;
5098                 break;
5099         case SWM_ARG_ID_HEIGHTSHRINK:
5100                 HEIGHT(win) -= SWM_RESIZE_STEPS;
5101                 resize_stp = 1;
5102                 break;
5103         case SWM_ARG_ID_HEIGHTGROW:
5104                 HEIGHT(win) += SWM_RESIZE_STEPS;
5105                 resize_stp = 1;
5106                 break;
5107         default:
5108                 break;
5109         }
5110         if (resize_stp) {
5111                 constrain_window(win, r, 1);
5112                 update_window(win);
5113                 store_float_geom(win,r);
5114                 return;
5115         }
5116
5117         /* get cursor offset from window root */
5118         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5119             NULL);
5120         if (!xpr)
5121                 return;
5122
5123         g = win->g;
5124
5125         if (xpr->win_x < WIDTH(win) / 2)
5126                 left = 1;
5127
5128         if (xpr->win_y < HEIGHT(win) / 2)
5129                 top = 1;
5130
5131         if (args->id == SWM_ARG_ID_CENTER)
5132                 cursor = cursors[XC_SIZING].cid;
5133         else if (top)
5134                 cursor = cursors[left ? XC_TOP_LEFT_CORNER :
5135                     XC_TOP_RIGHT_CORNER].cid;
5136         else
5137                 cursor = cursors[left ? XC_BOTTOM_LEFT_CORNER :
5138                     XC_BOTTOM_RIGHT_CORNER].cid;
5139
5140         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5141             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
5142             XCB_CURRENT_TIME),
5143
5144         xcb_flush(conn);
5145         resizing = 1;
5146         while ((evt = xcb_wait_for_event(conn)) && resizing) {
5147                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5148                 case XCB_BUTTON_RELEASE:
5149                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
5150                         resizing = 0;
5151                         break;
5152                 case XCB_MOTION_NOTIFY:
5153                         mne = (xcb_motion_notify_event_t *)evt;
5154                         /* cursor offset/delta from start of the operation */
5155                         dx = mne->root_x - xpr->root_x;
5156                         dy = mne->root_y - xpr->root_y;
5157
5158                         /* vertical */
5159                         if (top)
5160                                 dy = -dy;
5161
5162                         if (args->id == SWM_ARG_ID_CENTER) {
5163                                 if (g.h / 2 + dy < 1)
5164                                         dy = 1 - g.h / 2;
5165
5166                                 Y(win) = g.y - dy;
5167                                 HEIGHT(win) = g.h + 2 * dy;
5168                         } else {
5169                                 if (g.h + dy < 1)
5170                                         dy = 1 - g.h;
5171
5172                                 if (top)
5173                                         Y(win) = g.y - dy;
5174
5175                                 HEIGHT(win) = g.h + dy;
5176                         }
5177
5178                         /* horizontal */
5179                         if (left)
5180                                 dx = -dx;
5181
5182                         if (args->id == SWM_ARG_ID_CENTER) {
5183                                 if (g.w / 2 + dx < 1)
5184                                         dx = 1 - g.w / 2;
5185
5186                                 X(win) = g.x - dx;
5187                                 WIDTH(win) = g.w + 2 * dx;
5188                         } else {
5189                                 if (g.w + dx < 1)
5190                                         dx = 1 - g.w;
5191
5192                                 if (left)
5193                                         X(win) = g.x - dx;
5194
5195                                 WIDTH(win) = g.w + dx;
5196                         }
5197
5198                         constrain_window(win, r, 1);
5199
5200                         /* not free, don't sync more than 120 times / second */
5201                         if ((mne->time - timestamp) > (1000 / 120) ) {
5202                                 timestamp = mne->time;
5203                                 update_window(win);
5204                                 xcb_flush(conn);
5205                         }
5206                         break;
5207                 default:
5208                         event_handle(evt);
5209                         break;
5210                 }
5211                 free(evt);
5212         }
5213         if (timestamp) {
5214                 update_window(win);
5215                 xcb_flush(conn);
5216         }
5217         store_float_geom(win,r);
5218
5219         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5220         free(xpr);
5221         DNPRINTF(SWM_D_EVENT, "resize: done.\n");
5222 }
5223
5224 void
5225 resize_step(struct swm_region *r, union arg *args)
5226 {
5227         struct ws_win           *win = NULL;
5228
5229         if (r && r->ws && r->ws->focus)
5230                 win = r->ws->focus;
5231         else
5232                 return;
5233
5234         resize(win, args);
5235         focus_flush();
5236 }
5237
5238 #define SWM_MOVE_STEPS  (50)
5239
5240 void
5241 move(struct ws_win *win, union arg *args)
5242 {
5243         xcb_timestamp_t         timestamp = 0;
5244         int                     move_stp = 0, moving;
5245         struct swm_region       *r = NULL;
5246         xcb_query_pointer_reply_t       *qpr;
5247         xcb_generic_event_t             *evt;
5248         xcb_motion_notify_event_t       *mne;
5249
5250         if (win == NULL)
5251                 return;
5252         r = win->ws->r;
5253
5254         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5255                 return;
5256
5257         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
5258             "0x%x\n", win->id, YESNO(win->floating), win->transient);
5259
5260         /* in max_stack mode should only move transients */
5261         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
5262                 return;
5263
5264         win->manual = 1;
5265         if (!win->floating && !win->transient) {
5266                 store_float_geom(win, r);
5267                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5268                     _NET_WM_STATE_ADD);
5269         }
5270         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5271             _NET_WM_STATE_ADD);
5272
5273         stack();
5274
5275         focus_flush();
5276
5277         move_stp = 0;
5278         switch (args->id) {
5279         case SWM_ARG_ID_MOVELEFT:
5280                 X(win) -= (SWM_MOVE_STEPS - border_width);
5281                 move_stp = 1;
5282                 break;
5283         case SWM_ARG_ID_MOVERIGHT:
5284                 X(win) += (SWM_MOVE_STEPS - border_width);
5285                 move_stp = 1;
5286                 break;
5287         case SWM_ARG_ID_MOVEUP:
5288                 Y(win) -= (SWM_MOVE_STEPS - border_width);
5289                 move_stp = 1;
5290                 break;
5291         case SWM_ARG_ID_MOVEDOWN:
5292                 Y(win) += (SWM_MOVE_STEPS - border_width);
5293                 move_stp = 1;
5294                 break;
5295         default:
5296                 break;
5297         }
5298         if (move_stp) {
5299                 constrain_window(win, r, 0);
5300                 update_window(win);
5301                 store_float_geom(win, r);
5302                 return;
5303         }
5304
5305         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5306             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
5307             XCB_WINDOW_NONE, cursors[XC_FLEUR].cid, XCB_CURRENT_TIME);
5308
5309         /* get cursor offset from window root */
5310         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5311                 NULL);
5312         if (!qpr) {
5313                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5314                 return;
5315         }
5316
5317         xcb_flush(conn);
5318         moving = 1;
5319         while ((evt = xcb_wait_for_event(conn)) && moving) {
5320                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5321                 case XCB_BUTTON_RELEASE:
5322                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
5323                         moving = 0;
5324                         break;
5325                 case XCB_MOTION_NOTIFY:
5326                         mne = (xcb_motion_notify_event_t *)evt;
5327                         X(win) = mne->root_x - qpr->win_x - border_width;
5328                         Y(win) = mne->root_y - qpr->win_y - border_width;
5329
5330                         constrain_window(win, r, 0);
5331
5332                         /* not free, don't sync more than 120 times / second */
5333                         if ((mne->time - timestamp) > (1000 / 120) ) {
5334                                 timestamp = mne->time;
5335                                 update_window(win);
5336                                 xcb_flush(conn);
5337                         }
5338                         break;
5339                 default:
5340                         event_handle(evt);
5341                         break;
5342                 }
5343                 free(evt);
5344         }
5345         if (timestamp) {
5346                 update_window(win);
5347                 xcb_flush(conn);
5348         }
5349         store_float_geom(win, r);
5350         free(qpr);
5351         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5352         DNPRINTF(SWM_D_EVENT, "move: done.\n");
5353 }
5354
5355 void
5356 move_step(struct swm_region *r, union arg *args)
5357 {
5358         struct ws_win           *win = NULL;
5359
5360         if (r && r->ws && r->ws->focus)
5361                 win = r->ws->focus;
5362         else
5363                 return;
5364
5365         if (!win->transient && !win->floating)
5366                 return;
5367
5368         move(win, args);
5369         focus_flush();
5370 }
5371
5372 /* key definitions */
5373 struct keyfunc {
5374         char                    name[SWM_FUNCNAME_LEN];
5375         void                    (*func)(struct swm_region *r, union arg *);
5376         union arg               args;
5377 } keyfuncs[KF_INVALID + 1] = {
5378         /* name                 function        argument */
5379         { "bar_toggle",         bar_toggle,     {0} },
5380         { "button2",            pressbutton,    {2} },
5381         { "cycle_layout",       cycle_layout,   {0} },
5382         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
5383         { "float_toggle",       floating_toggle,{0} },
5384         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
5385         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
5386         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
5387         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
5388         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
5389         { "iconify",            iconify,        {0} },
5390         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
5391         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
5392         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
5393         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
5394         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
5395         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
5396         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
5397         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
5398         { "mvws_1",             send_to_ws,     {.id = 0} },
5399         { "mvws_2",             send_to_ws,     {.id = 1} },
5400         { "mvws_3",             send_to_ws,     {.id = 2} },
5401         { "mvws_4",             send_to_ws,     {.id = 3} },
5402         { "mvws_5",             send_to_ws,     {.id = 4} },
5403         { "mvws_6",             send_to_ws,     {.id = 5} },
5404         { "mvws_7",             send_to_ws,     {.id = 6} },
5405         { "mvws_8",             send_to_ws,     {.id = 7} },
5406         { "mvws_9",             send_to_ws,     {.id = 8} },
5407         { "mvws_10",            send_to_ws,     {.id = 9} },
5408         { "mvws_11",            send_to_ws,     {.id = 10} },
5409         { "mvws_12",            send_to_ws,     {.id = 11} },
5410         { "mvws_13",            send_to_ws,     {.id = 12} },
5411         { "mvws_14",            send_to_ws,     {.id = 13} },
5412         { "mvws_15",            send_to_ws,     {.id = 14} },
5413         { "mvws_16",            send_to_ws,     {.id = 15} },
5414         { "mvws_17",            send_to_ws,     {.id = 16} },
5415         { "mvws_18",            send_to_ws,     {.id = 17} },
5416         { "mvws_19",            send_to_ws,     {.id = 18} },
5417         { "mvws_20",            send_to_ws,     {.id = 19} },
5418         { "mvws_21",            send_to_ws,     {.id = 20} },
5419         { "mvws_22",            send_to_ws,     {.id = 21} },
5420         { "name_workspace",     name_workspace, {0} },
5421         { "quit",               quit,           {0} },
5422         { "raise_toggle",       raise_toggle,   {0} },
5423         { "restart",            restart,        {0} },
5424         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
5425         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
5426         { "search_win",         search_win,     {0} },
5427         { "search_workspace",   search_workspace,       {0} },
5428         { "spawn_custom",       NULL,           {0} },
5429         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
5430         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
5431         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
5432         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
5433         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
5434         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
5435         { "uniconify",          uniconify,      {0} },
5436         { "version",            version,        {0} },
5437         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
5438         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
5439         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
5440         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
5441         { "ws_1",               switchws,       {.id = 0} },
5442         { "ws_2",               switchws,       {.id = 1} },
5443         { "ws_3",               switchws,       {.id = 2} },
5444         { "ws_4",               switchws,       {.id = 3} },
5445         { "ws_5",               switchws,       {.id = 4} },
5446         { "ws_6",               switchws,       {.id = 5} },
5447         { "ws_7",               switchws,       {.id = 6} },
5448         { "ws_8",               switchws,       {.id = 7} },
5449         { "ws_9",               switchws,       {.id = 8} },
5450         { "ws_10",              switchws,       {.id = 9} },
5451         { "ws_11",              switchws,       {.id = 10} },
5452         { "ws_12",              switchws,       {.id = 11} },
5453         { "ws_13",              switchws,       {.id = 12} },
5454         { "ws_14",              switchws,       {.id = 13} },
5455         { "ws_15",              switchws,       {.id = 14} },
5456         { "ws_16",              switchws,       {.id = 15} },
5457         { "ws_17",              switchws,       {.id = 16} },
5458         { "ws_18",              switchws,       {.id = 17} },
5459         { "ws_19",              switchws,       {.id = 18} },
5460         { "ws_20",              switchws,       {.id = 19} },
5461         { "ws_21",              switchws,       {.id = 20} },
5462         { "ws_22",              switchws,       {.id = 21} },
5463         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
5464         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
5465         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
5466         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
5467         { "ws_prior",           priorws,        {0} },
5468         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
5469         { "invalid key func",   NULL,           {0} },
5470 };
5471
5472 int
5473 key_cmp(struct key *kp1, struct key *kp2)
5474 {
5475         if (kp1->keysym < kp2->keysym)
5476                 return (-1);
5477         if (kp1->keysym > kp2->keysym)
5478                 return (1);
5479
5480         if (kp1->mod < kp2->mod)
5481                 return (-1);
5482         if (kp1->mod > kp2->mod)
5483                 return (1);
5484
5485         return (0);
5486 }
5487
5488 /* mouse */
5489 enum { client_click, root_click };
5490 struct button {
5491         unsigned int            action;
5492         unsigned int            mask;
5493         unsigned int            button;
5494         void                    (*func)(struct ws_win *, union arg *);
5495         union arg               args;
5496 } buttons[] = {
5497 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
5498           /* action     key             mouse button    func    args */
5499         { client_click, MODKEY,         XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_DONTCENTER} },
5500         { client_click, MODKEY_SHIFT,   XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_CENTER} },
5501         { client_click, MODKEY,         XCB_BUTTON_INDEX_1,     move,   {0} },
5502 #undef MODKEY_SHIFT
5503 };
5504
5505 void
5506 update_modkey(unsigned int mod)
5507 {
5508         int                     i;
5509         struct key              *kp;
5510
5511         mod_key = mod;
5512         RB_FOREACH(kp, key_tree, &keys)
5513                 if (kp->mod & XCB_MOD_MASK_SHIFT)
5514                         kp->mod = mod | XCB_MOD_MASK_SHIFT;
5515                 else
5516                         kp->mod = mod;
5517
5518         for (i = 0; i < LENGTH(buttons); i++)
5519                 if (buttons[i].mask & XCB_MOD_MASK_SHIFT)
5520                         buttons[i].mask = mod | XCB_MOD_MASK_SHIFT;
5521                 else
5522                         buttons[i].mask = mod;
5523 }
5524
5525 int
5526 spawn_expand(struct swm_region *r, union arg *args, const char *spawn_name,
5527     char ***ret_args)
5528 {
5529         struct spawn_prog       *prog = NULL;
5530         int                     i;
5531         char                    *ap, **real_args;
5532
5533         /* suppress unused warning since var is needed */
5534         (void)args;
5535
5536         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
5537
5538         /* find program */
5539         TAILQ_FOREACH(prog, &spawns, entry) {
5540                 if (!strcasecmp(spawn_name, prog->name))
5541                         break;
5542         }
5543         if (prog == NULL) {
5544                 warnx("spawn_custom: program %s not found", spawn_name);
5545                 return (-1);
5546         }
5547
5548         /* make room for expanded args */
5549         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
5550                 err(1, "spawn_custom: calloc real_args");
5551
5552         /* expand spawn_args into real_args */
5553         for (i = 0; i < prog->argc; i++) {
5554                 ap = prog->argv[i];
5555                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
5556                 if (!strcasecmp(ap, "$bar_border")) {
5557                         if ((real_args[i] =
5558                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
5559                             == NULL)
5560                                 err(1,  "spawn_custom border color");
5561                 } else if (!strcasecmp(ap, "$bar_color")) {
5562                         if ((real_args[i] =
5563                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
5564                             == NULL)
5565                                 err(1, "spawn_custom bar color");
5566                 } else if (!strcasecmp(ap, "$bar_font")) {
5567                         if ((real_args[i] = strdup(bar_fonts))
5568                             == NULL)
5569                                 err(1, "spawn_custom bar fonts");
5570                 } else if (!strcasecmp(ap, "$bar_font_color")) {
5571                         if ((real_args[i] =
5572                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
5573                             == NULL)
5574                                 err(1, "spawn_custom color font");
5575                 } else if (!strcasecmp(ap, "$color_focus")) {
5576                         if ((real_args[i] =
5577                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
5578                             == NULL)
5579                                 err(1, "spawn_custom color focus");
5580                 } else if (!strcasecmp(ap, "$color_unfocus")) {
5581                         if ((real_args[i] =
5582                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
5583                             == NULL)
5584                                 err(1, "spawn_custom color unfocus");
5585                 } else {
5586                         /* no match --> copy as is */
5587                         if ((real_args[i] = strdup(ap)) == NULL)
5588                                 err(1, "spawn_custom strdup(ap)");
5589                 }
5590                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
5591                     real_args[i]);
5592         }
5593
5594 #ifdef SWM_DEBUG
5595         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
5596         for (i = 0; i < prog->argc; i++)
5597                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
5598         DNPRINTF(SWM_D_SPAWN, "\n");
5599 #endif
5600         *ret_args = real_args;
5601         return (prog->argc);
5602 }
5603
5604 void
5605 spawn_custom(struct swm_region *r, union arg *args, const char *spawn_name)
5606 {
5607         union arg               a;
5608         char                    **real_args;
5609         int                     spawn_argc, i;
5610
5611         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5612                 return;
5613         a.argv = real_args;
5614         if (fork() == 0)
5615                 spawn(r->ws->idx, &a, 1);
5616
5617         for (i = 0; i < spawn_argc; i++)
5618                 free(real_args[i]);
5619         free(real_args);
5620 }
5621
5622 void
5623 spawn_select(struct swm_region *r, union arg *args, const char *spawn_name,
5624     int *pid)
5625 {
5626         union arg               a;
5627         char                    **real_args;
5628         int                     i, spawn_argc;
5629
5630         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5631                 return;
5632         a.argv = real_args;
5633
5634         if (pipe(select_list_pipe) == -1)
5635                 err(1, "pipe error");
5636         if (pipe(select_resp_pipe) == -1)
5637                 err(1, "pipe error");
5638
5639         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
5640                 err(1, "could not disable SIGPIPE");
5641         switch (*pid = fork()) {
5642         case -1:
5643                 err(1, "cannot fork");
5644                 break;
5645         case 0: /* child */
5646                 if (dup2(select_list_pipe[0], 0) == -1)
5647                         err(1, "dup2");
5648                 if (dup2(select_resp_pipe[1], 1) == -1)
5649                         err(1, "dup2");
5650                 close(select_list_pipe[1]);
5651                 close(select_resp_pipe[0]);
5652                 spawn(r->ws->idx, &a, 0);
5653                 break;
5654         default: /* parent */
5655                 close(select_list_pipe[0]);
5656                 close(select_resp_pipe[1]);
5657                 break;
5658         }
5659
5660         for (i = 0; i < spawn_argc; i++)
5661                 free(real_args[i]);
5662         free(real_args);
5663 }
5664
5665 void
5666 spawn_insert(const char *name, const char *args)
5667 {
5668         char                    *arg, *cp, *ptr;
5669         struct spawn_prog       *sp;
5670
5671         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5672
5673         if ((sp = calloc(1, sizeof *sp)) == NULL)
5674                 err(1, "spawn_insert: calloc");
5675         if ((sp->name = strdup(name)) == NULL)
5676                 err(1, "spawn_insert: strdup");
5677
5678         /* convert the arguments to an argument list */
5679         if ((ptr = cp = strdup(args)) == NULL)
5680                 err(1, "spawn_insert: strdup");
5681         while ((arg = strsep(&ptr, " \t")) != NULL) {
5682                 /* empty field; skip it */
5683                 if (*arg == '\0')
5684                         continue;
5685
5686                 sp->argc++;
5687                 if ((sp->argv = realloc(sp->argv, sp->argc *
5688                     sizeof *sp->argv)) == NULL)
5689                         err(1, "spawn_insert: realloc");
5690                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5691                         err(1, "spawn_insert: strdup");
5692         }
5693         free(cp);
5694
5695         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5696         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5697 }
5698
5699 void
5700 spawn_remove(struct spawn_prog *sp)
5701 {
5702         int                     i;
5703
5704         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5705
5706         TAILQ_REMOVE(&spawns, sp, entry);
5707         for (i = 0; i < sp->argc; i++)
5708                 free(sp->argv[i]);
5709         free(sp->argv);
5710         free(sp->name);
5711         free(sp);
5712
5713         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5714 }
5715
5716 void
5717 spawn_replace(struct spawn_prog *sp, const char *name, const char *args)
5718 {
5719         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5720
5721         spawn_remove(sp);
5722         spawn_insert(name, args);
5723
5724         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5725 }
5726
5727 void
5728 setspawn(const char *name, const char *args)
5729 {
5730         struct spawn_prog       *sp;
5731
5732         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5733
5734         if (name == NULL)
5735                 return;
5736
5737         TAILQ_FOREACH(sp, &spawns, entry) {
5738                 if (!strcmp(sp->name, name)) {
5739                         if (*args == '\0')
5740                                 spawn_remove(sp);
5741                         else
5742                                 spawn_replace(sp, name, args);
5743                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5744                         return;
5745                 }
5746         }
5747         if (*args == '\0') {
5748                 warnx("error: setspawn: cannot find program: %s", name);
5749                 return;
5750         }
5751
5752         spawn_insert(name, args);
5753         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5754 }
5755
5756 int
5757 setconfspawn(char *selector, char *value, int flags)
5758 {
5759         char *args;
5760
5761         /* suppress unused warning since var is needed */
5762         (void)flags;
5763
5764         args = expand_tilde(value);
5765
5766         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, args);
5767
5768         setspawn(selector, args);
5769         free(args);
5770
5771         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done.\n");
5772         return (0);
5773 }
5774
5775 void
5776 setup_spawn(void)
5777 {
5778         setconfspawn("term",            "xterm",                0);
5779         setconfspawn("spawn_term",      "xterm",                0);
5780         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5781         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5782         setconfspawn("lock",            "xlock",                0);
5783         setconfspawn("initscr",         "initscreen.sh",        0);
5784         setconfspawn("menu",            "dmenu_run"
5785                                         " -fn $bar_font"
5786                                         " -nb $bar_color"
5787                                         " -nf $bar_font_color"
5788                                         " -sb $bar_border"
5789                                         " -sf $bar_color",      0);
5790         setconfspawn("search",          "dmenu"
5791                                         " -i"
5792                                         " -fn $bar_font"
5793                                         " -nb $bar_color"
5794                                         " -nf $bar_font_color"
5795                                         " -sb $bar_border"
5796                                         " -sf $bar_color",      0);
5797         setconfspawn("name_workspace",  "dmenu"
5798                                         " -p Workspace"
5799                                         " -fn $bar_font"
5800                                         " -nb $bar_color"
5801                                         " -nf $bar_font_color"
5802                                         " -sb $bar_border"
5803                                         " -sf $bar_color",      0);
5804 }
5805
5806 /* key bindings */
5807 #define SWM_MODNAME_SIZE        32
5808 #define SWM_KEY_WS              "\n+ \t"
5809 int
5810 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5811 {
5812         char                    *cp, *name;
5813         KeySym                  uks;
5814         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5815         if (mod == NULL || ks == NULL) {
5816                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5817                 return (1);
5818         }
5819         if (keystr == NULL || strlen(keystr) == 0) {
5820                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5821                 return (1);
5822         }
5823         cp = keystr;
5824         *ks = XCB_NO_SYMBOL;
5825         *mod = 0;
5826         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5827                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5828                 if (cp)
5829                         cp += (long)strspn(cp, SWM_KEY_WS);
5830                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5831                         *mod |= currmod;
5832                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5833                         *mod |= XCB_MOD_MASK_1;
5834                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5835                         *mod += XCB_MOD_MASK_2;
5836                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5837                         *mod |= XCB_MOD_MASK_3;
5838                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5839                         *mod |= XCB_MOD_MASK_4;
5840                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5841                         *mod |= XCB_MOD_MASK_SHIFT;
5842                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5843                         *mod |= XCB_MOD_MASK_CONTROL;
5844                 else {
5845                         *ks = XStringToKeysym(name);
5846                         XConvertCase(*ks, ks, &uks);
5847                         if (ks == XCB_NO_SYMBOL) {
5848                                 DNPRINTF(SWM_D_KEY,
5849                                     "parsekeys: invalid key %s\n",
5850                                     name);
5851                                 return (1);
5852                         }
5853                 }
5854         }
5855         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5856         return (0);
5857 }
5858
5859 char *
5860 strdupsafe(const char *str)
5861 {
5862         if (str == NULL)
5863                 return (NULL);
5864         else
5865                 return (strdup(str));
5866 }
5867
5868 void
5869 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5870     const char *spawn_name)
5871 {
5872         struct key              *kp;
5873
5874         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5875             keyfuncs[kfid].name, spawn_name);
5876
5877         if ((kp = malloc(sizeof *kp)) == NULL)
5878                 err(1, "key_insert: malloc");
5879
5880         kp->mod = mod;
5881         kp->keysym = ks;
5882         kp->funcid = kfid;
5883         kp->spawn_name = strdupsafe(spawn_name);
5884         RB_INSERT(key_tree, &keys, kp);
5885
5886         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5887 }
5888
5889 struct key *
5890 key_lookup(unsigned int mod, KeySym ks)
5891 {
5892         struct key              kp;
5893
5894         kp.keysym = ks;
5895         kp.mod = mod;
5896
5897         return (RB_FIND(key_tree, &keys, &kp));
5898 }
5899
5900 void
5901 key_remove(struct key *kp)
5902 {
5903         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5904
5905         RB_REMOVE(key_tree, &keys, kp);
5906         free(kp->spawn_name);
5907         free(kp);
5908
5909         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5910 }
5911
5912 void
5913 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5914     const char *spawn_name)
5915 {
5916         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5917             spawn_name);
5918
5919         key_remove(kp);
5920         key_insert(mod, ks, kfid, spawn_name);
5921
5922         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5923 }
5924
5925 void
5926 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5927     const char *spawn_name)
5928 {
5929         struct key              *kp;
5930
5931         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5932             keyfuncs[kfid].name, spawn_name);
5933
5934         if ((kp = key_lookup(mod, ks)) != NULL) {
5935                 if (kfid == KF_INVALID)
5936                         key_remove(kp);
5937                 else
5938                         key_replace(kp, mod, ks, kfid, spawn_name);
5939                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5940                 return;
5941         }
5942         if (kfid == KF_INVALID) {
5943                 warnx("error: setkeybinding: cannot find mod/key combination");
5944                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5945                 return;
5946         }
5947
5948         key_insert(mod, ks, kfid, spawn_name);
5949         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5950 }
5951
5952 int
5953 setconfbinding(char *selector, char *value, int flags)
5954 {
5955         enum keyfuncid          kfid;
5956         unsigned int            mod;
5957         KeySym                  ks;
5958         struct spawn_prog       *sp;
5959
5960         /* suppress unused warning since var is needed */
5961         (void)flags;
5962
5963         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5964         if (selector == NULL) {
5965                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5966                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5967                         kfid = KF_INVALID;
5968                         setkeybinding(mod, ks, kfid, NULL);
5969                         return (0);
5970                 } else
5971                         return (1);
5972         }
5973         /* search by key function name */
5974         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
5975                 if (strncasecmp(selector, keyfuncs[kfid].name,
5976                     SWM_FUNCNAME_LEN) == 0) {
5977                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5978                             selector);
5979                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5980                                 setkeybinding(mod, ks, kfid, NULL);
5981                                 return (0);
5982                         } else
5983                                 return (1);
5984                 }
5985         }
5986         /* search by custom spawn name */
5987         TAILQ_FOREACH(sp, &spawns, entry) {
5988                 if (strcasecmp(selector, sp->name) == 0) {
5989                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5990                             selector);
5991                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5992                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
5993                                     sp->name);
5994                                 return (0);
5995                         } else
5996                                 return (1);
5997                 }
5998         }
5999         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
6000         return (1);
6001 }
6002
6003 void
6004 setup_keys(void)
6005 {
6006 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
6007         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
6008         setkeybinding(MODKEY_SHIFT,     XK_backslash,   KF_FLIP_LAYOUT, NULL);
6009         setkeybinding(MODKEY_SHIFT,     XK_space,       KF_STACK_RESET, NULL);
6010         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
6011         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
6012         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
6013         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
6014         setkeybinding(MODKEY_SHIFT,     XK_comma,       KF_STACK_INC,   NULL);
6015         setkeybinding(MODKEY_SHIFT,     XK_period,      KF_STACK_DEC,   NULL);
6016         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
6017         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
6018         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
6019         setkeybinding(MODKEY_SHIFT,     XK_j,           KF_SWAP_NEXT,   NULL);
6020         setkeybinding(MODKEY_SHIFT,     XK_k,           KF_SWAP_PREV,   NULL);
6021         setkeybinding(MODKEY_SHIFT,     XK_Return,      KF_SPAWN_CUSTOM,"term");
6022         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
6023         setkeybinding(MODKEY_SHIFT,     XK_q,           KF_QUIT,        NULL);
6024         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
6025         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
6026         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
6027         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
6028         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
6029         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
6030         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
6031         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
6032         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
6033         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
6034         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
6035         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
6036         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
6037         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
6038         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
6039         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
6040         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
6041         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
6042         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
6043         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
6044         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
6045         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
6046         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
6047         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
6048         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
6049         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
6050         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
6051         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
6052         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
6053         setkeybinding(MODKEY_SHIFT,     XK_Right,       KF_SCREEN_NEXT, NULL);
6054         setkeybinding(MODKEY_SHIFT,     XK_Left,        KF_SCREEN_PREV, NULL);
6055         setkeybinding(MODKEY_SHIFT,     XK_1,           KF_MVWS_1,      NULL);
6056         setkeybinding(MODKEY_SHIFT,     XK_2,           KF_MVWS_2,      NULL);
6057         setkeybinding(MODKEY_SHIFT,     XK_3,           KF_MVWS_3,      NULL);
6058         setkeybinding(MODKEY_SHIFT,     XK_4,           KF_MVWS_4,      NULL);
6059         setkeybinding(MODKEY_SHIFT,     XK_5,           KF_MVWS_5,      NULL);
6060         setkeybinding(MODKEY_SHIFT,     XK_6,           KF_MVWS_6,      NULL);
6061         setkeybinding(MODKEY_SHIFT,     XK_7,           KF_MVWS_7,      NULL);
6062         setkeybinding(MODKEY_SHIFT,     XK_8,           KF_MVWS_8,      NULL);
6063         setkeybinding(MODKEY_SHIFT,     XK_9,           KF_MVWS_9,      NULL);
6064         setkeybinding(MODKEY_SHIFT,     XK_0,           KF_MVWS_10,     NULL);
6065         setkeybinding(MODKEY_SHIFT,     XK_F1,          KF_MVWS_11,     NULL);
6066         setkeybinding(MODKEY_SHIFT,     XK_F2,          KF_MVWS_12,     NULL);
6067         setkeybinding(MODKEY_SHIFT,     XK_F3,          KF_MVWS_13,     NULL);
6068         setkeybinding(MODKEY_SHIFT,     XK_F4,          KF_MVWS_14,     NULL);
6069         setkeybinding(MODKEY_SHIFT,     XK_F5,          KF_MVWS_15,     NULL);
6070         setkeybinding(MODKEY_SHIFT,     XK_F6,          KF_MVWS_16,     NULL);
6071         setkeybinding(MODKEY_SHIFT,     XK_F7,          KF_MVWS_17,     NULL);
6072         setkeybinding(MODKEY_SHIFT,     XK_F8,          KF_MVWS_18,     NULL);
6073         setkeybinding(MODKEY_SHIFT,     XK_F9,          KF_MVWS_19,     NULL);
6074         setkeybinding(MODKEY_SHIFT,     XK_F10,         KF_MVWS_20,     NULL);
6075         setkeybinding(MODKEY_SHIFT,     XK_F11,         KF_MVWS_21,     NULL);
6076         setkeybinding(MODKEY_SHIFT,     XK_F12,         KF_MVWS_22,     NULL);
6077         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
6078         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
6079         setkeybinding(MODKEY_SHIFT,     XK_Tab,         KF_FOCUS_PREV,  NULL);
6080         setkeybinding(MODKEY_SHIFT,     XK_x,           KF_WIND_KILL,   NULL);
6081         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
6082         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
6083         setkeybinding(MODKEY_SHIFT,     XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
6084         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
6085         setkeybinding(MODKEY_SHIFT,     XK_v,           KF_VERSION,     NULL);
6086         setkeybinding(MODKEY_SHIFT,     XK_Delete,      KF_SPAWN_CUSTOM,"lock");
6087         setkeybinding(MODKEY_SHIFT,     XK_i,           KF_SPAWN_CUSTOM,"initscr");
6088         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
6089         setkeybinding(MODKEY_SHIFT,     XK_w,           KF_UNICONIFY,   NULL);
6090         setkeybinding(MODKEY_SHIFT,     XK_r,           KF_RAISE_TOGGLE,NULL);
6091         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
6092         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
6093         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
6094         setkeybinding(MODKEY_SHIFT,     XK_equal,       KF_HEIGHT_GROW,NULL);
6095         setkeybinding(MODKEY_SHIFT,     XK_minus,       KF_HEIGHT_SHRINK,NULL);
6096         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
6097         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
6098         setkeybinding(MODKEY_SHIFT,     XK_bracketleft, KF_MOVE_UP,     NULL);
6099         setkeybinding(MODKEY_SHIFT,     XK_bracketright,KF_MOVE_DOWN,NULL);
6100         setkeybinding(MODKEY_SHIFT,     XK_slash,       KF_NAME_WORKSPACE,NULL);
6101         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
6102         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
6103 #ifdef SWM_DEBUG
6104         setkeybinding(MODKEY_SHIFT,     XK_d,           KF_DUMPWINS,    NULL);
6105 #endif
6106 #undef MODKEY_SHIFT
6107 }
6108
6109 void
6110 clear_keys(void)
6111 {
6112         struct key              *kp;
6113
6114         while (RB_EMPTY(&keys) == 0) {
6115                 kp = RB_ROOT(&keys);
6116                 key_remove(kp);
6117         }
6118 }
6119
6120 int
6121 setkeymapping(char *selector, char *value, int flags)
6122 {
6123         char                    keymapping_file[PATH_MAX];
6124
6125         /* suppress unused warnings since vars are needed */
6126         (void)selector;
6127         (void)flags;
6128
6129         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
6130         if (value[0] == '~')
6131                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
6132                     pwd->pw_dir, &value[1]);
6133         else
6134                 strlcpy(keymapping_file, value, sizeof keymapping_file);
6135         clear_keys();
6136         /* load new key bindings; if it fails, revert to default bindings */
6137         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
6138                 clear_keys();
6139                 setup_keys();
6140         }
6141         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
6142         return (0);
6143 }
6144
6145 void
6146 updatenumlockmask(void)
6147 {
6148         unsigned int                            i, j;
6149         xcb_get_modifier_mapping_reply_t        *modmap_r;
6150         xcb_keycode_t                           *modmap, kc, *keycode;
6151
6152         numlockmask = 0;
6153
6154         modmap_r = xcb_get_modifier_mapping_reply(conn,
6155             xcb_get_modifier_mapping(conn),
6156             NULL);
6157         if (modmap_r) {
6158                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
6159                 for (i = 0; i < 8; i++) {
6160                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
6161                                 kc = modmap[i * modmap_r->keycodes_per_modifier
6162                                     + j];
6163                                 keycode = xcb_key_symbols_get_keycode(syms,
6164                                                 XK_Num_Lock);
6165                                 if (kc == *keycode)
6166                                         numlockmask = (1 << i);
6167                                 free(keycode);
6168                         }
6169                 }
6170                 free(modmap_r);
6171         }
6172         DNPRINTF(SWM_D_MISC, "updatenumlockmask: %d\n", numlockmask);
6173 }
6174
6175 void
6176 grabkeys(void)
6177 {
6178         struct key              *kp;
6179         int                     num_screens, k, j;
6180         unsigned int            modifiers[3];
6181         xcb_keycode_t           *code;
6182
6183         DNPRINTF(SWM_D_MISC, "grabkeys\n");
6184         updatenumlockmask();
6185
6186         modifiers[0] = 0;
6187         modifiers[1] = numlockmask;
6188         modifiers[2] = numlockmask | XCB_MOD_MASK_LOCK;
6189
6190         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6191         for (k = 0; k < num_screens; k++) {
6192                 if (TAILQ_EMPTY(&screens[k].rl))
6193                         continue;
6194                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
6195                         XCB_MOD_MASK_ANY);
6196                 RB_FOREACH(kp, key_tree, &keys) {
6197                         if ((code = xcb_key_symbols_get_keycode(syms,
6198                                         kp->keysym))) {
6199                                 for (j = 0; j < LENGTH(modifiers); j++)
6200                                         xcb_grab_key(conn, 1,
6201                                             screens[k].root,
6202                                             kp->mod | modifiers[j],
6203                                             *code, XCB_GRAB_MODE_SYNC,
6204                                             XCB_GRAB_MODE_ASYNC);
6205                                 free(code);
6206                         }
6207                 }
6208         }
6209 }
6210
6211 void
6212 grabbuttons(struct ws_win *win)
6213 {
6214         int             i;
6215
6216         DNPRINTF(SWM_D_MOUSE, "grabbuttons: win 0x%x\n", win->id);
6217
6218         for (i = 0; i < LENGTH(buttons); i++)
6219                 if (buttons[i].action == client_click)
6220                         xcb_grab_button(conn, 0, win->id, BUTTONMASK,
6221                             XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC,
6222                             XCB_WINDOW_NONE, XCB_CURSOR_NONE,
6223                             buttons[i].button, buttons[i].mask);
6224 }
6225
6226 const char *quirkname[] = {
6227         "NONE",         /* config string for "no value" */
6228         "FLOAT",
6229         "TRANSSZ",
6230         "ANYWHERE",
6231         "XTERM_FONTADJ",
6232         "FULLSCREEN",
6233         "FOCUSPREV",
6234 };
6235
6236 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
6237 #define SWM_Q_WS                "\n|+ \t"
6238 int
6239 parsequirks(char *qstr, unsigned long *quirk)
6240 {
6241         char                    *cp, *name;
6242         int                     i;
6243
6244         if (quirk == NULL)
6245                 return (1);
6246
6247         cp = qstr;
6248         *quirk = 0;
6249         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
6250                 if (cp)
6251                         cp += (long)strspn(cp, SWM_Q_WS);
6252                 for (i = 0; i < LENGTH(quirkname); i++) {
6253                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
6254                                 DNPRINTF(SWM_D_QUIRK,
6255                                     "parsequirks: %s\n", name);
6256                                 if (i == 0) {
6257                                         *quirk = 0;
6258                                         return (0);
6259                                 }
6260                                 *quirk |= 1 << (i-1);
6261                                 break;
6262                         }
6263                 }
6264                 if (i >= LENGTH(quirkname)) {
6265                         DNPRINTF(SWM_D_QUIRK,
6266                             "parsequirks: invalid quirk [%s]\n", name);
6267                         return (1);
6268                 }
6269         }
6270         return (0);
6271 }
6272
6273 void
6274 quirk_insert(const char *class, const char *name, unsigned long quirk)
6275 {
6276         struct quirk            *qp;
6277
6278         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
6279             quirk);
6280
6281         if ((qp = malloc(sizeof *qp)) == NULL)
6282                 err(1, "quirk_insert: malloc");
6283         if ((qp->class = strdup(class)) == NULL)
6284                 err(1, "quirk_insert: strdup");
6285         if ((qp->name = strdup(name)) == NULL)
6286                 err(1, "quirk_insert: strdup");
6287
6288         qp->quirk = quirk;
6289         TAILQ_INSERT_TAIL(&quirks, qp, entry);
6290
6291         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
6292 }
6293
6294 void
6295 quirk_remove(struct quirk *qp)
6296 {
6297         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
6298             qp->name, qp->quirk);
6299
6300         TAILQ_REMOVE(&quirks, qp, entry);
6301         free(qp->class);
6302         free(qp->name);
6303         free(qp);
6304
6305         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
6306 }
6307
6308 void
6309 quirk_replace(struct quirk *qp, const char *class, const char *name,
6310     unsigned long quirk)
6311 {
6312         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
6313             qp->name, qp->quirk);
6314
6315         quirk_remove(qp);
6316         quirk_insert(class, name, quirk);
6317
6318         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
6319 }
6320
6321 void
6322 setquirk(const char *class, const char *name, unsigned long quirk)
6323 {
6324         struct quirk            *qp;
6325
6326         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
6327            quirk);
6328
6329         /* Remove/replace existing quirk. */
6330         TAILQ_FOREACH(qp, &quirks, entry) {
6331                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
6332                         if (!quirk)
6333                                 quirk_remove(qp);
6334                         else
6335                                 quirk_replace(qp, class, name, quirk);
6336                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6337                         return;
6338                 }
6339         }
6340
6341         /* Only insert if quirk is not NONE. */
6342         if (quirk)
6343                 quirk_insert(class, name, quirk);
6344
6345         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6346 }
6347
6348 int
6349 setconfquirk(char *selector, char *value, int flags)
6350 {
6351         char                    *cp, *class, *name;
6352         int                     retval;
6353         unsigned long           qrks;
6354
6355         /* suppress unused warning since var is needed */
6356         (void)flags;
6357
6358         if (selector == NULL)
6359                 return (0);
6360         if ((cp = strchr(selector, ':')) == NULL)
6361                 return (0);
6362         *cp = '\0';
6363         class = selector;
6364         name = cp + 1;
6365         if ((retval = parsequirks(value, &qrks)) == 0)
6366                 setquirk(class, name, qrks);
6367         return (retval);
6368 }
6369
6370 void
6371 setup_quirks(void)
6372 {
6373         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
6374         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
6375         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
6376         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
6377         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6378         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
6379         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6380         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6381         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6382         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6383         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
6384         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
6385         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
6386 }
6387
6388 /* conf file stuff */
6389 #define SWM_CONF_FILE           "spectrwm.conf"
6390 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
6391
6392 enum {
6393         SWM_S_BAR_ACTION,
6394         SWM_S_BAR_AT_BOTTOM,
6395         SWM_S_BAR_BORDER_WIDTH,
6396         SWM_S_BAR_DELAY,
6397         SWM_S_BAR_ENABLED,
6398         SWM_S_BAR_FONT,
6399         SWM_S_BAR_FORMAT,
6400         SWM_S_BAR_JUSTIFY,
6401         SWM_S_BORDER_WIDTH,
6402         SWM_S_CLOCK_ENABLED,
6403         SWM_S_CLOCK_FORMAT,
6404         SWM_S_CYCLE_EMPTY,
6405         SWM_S_CYCLE_VISIBLE,
6406         SWM_S_DIALOG_RATIO,
6407         SWM_S_DISABLE_BORDER,
6408         SWM_S_FOCUS_CLOSE,
6409         SWM_S_FOCUS_CLOSE_WRAP,
6410         SWM_S_FOCUS_DEFAULT,
6411         SWM_S_FOCUS_MODE,
6412         SWM_S_SPAWN_ORDER,
6413         SWM_S_SPAWN_TERM,
6414         SWM_S_SS_APP,
6415         SWM_S_SS_ENABLED,
6416         SWM_S_STACK_ENABLED,
6417         SWM_S_TERM_WIDTH,
6418         SWM_S_TITLE_CLASS_ENABLED,
6419         SWM_S_TITLE_NAME_ENABLED,
6420         SWM_S_URGENT_ENABLED,
6421         SWM_S_VERBOSE_LAYOUT,
6422         SWM_S_WINDOW_NAME_ENABLED,
6423         SWM_S_WORKSPACE_LIMIT
6424 };
6425
6426 int
6427 setconfvalue(char *selector, char *value, int flags)
6428 {
6429         int     i;
6430         char    *b;
6431
6432         /* suppress unused warning since var is needed */
6433         (void)selector;
6434
6435         switch (flags) {
6436         case SWM_S_BAR_ACTION:
6437                 free(bar_argv[0]);
6438                 if ((bar_argv[0] = expand_tilde(value)) == NULL)
6439                         err(1, "setconfvalue: bar_action");
6440                 break;
6441         case SWM_S_BAR_AT_BOTTOM:
6442                 bar_at_bottom = atoi(value);
6443                 break;
6444         case SWM_S_BAR_BORDER_WIDTH:
6445                 bar_border_width = atoi(value);
6446                 if (bar_border_width < 0)
6447                         bar_border_width = 0;
6448                 break;
6449         case SWM_S_BAR_DELAY:
6450                 bar_delay = atoi(value);
6451                 break;
6452         case SWM_S_BAR_ENABLED:
6453                 bar_enabled = atoi(value);
6454                 break;
6455         case SWM_S_BAR_FONT:
6456                 b = bar_fonts;
6457                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
6458                         err(1, "setconfvalue: asprintf: failed to allocate "
6459                                 "memory for bar_fonts.");
6460                 free(b);
6461
6462                 /* If already in xft mode, then we are done. */
6463                 if (!bar_font_legacy)
6464                         break;
6465
6466                 /* If there are any non-XLFD entries, switch to Xft mode. */
6467                 while ((b = strsep(&value, ",")) != NULL) {
6468                         if (*b == '\0')
6469                                 continue;
6470                         if (!isxlfd(b)) {
6471                                 bar_font_legacy = 0;
6472                                 break;
6473                         }
6474                 }
6475                 break;
6476         case SWM_S_BAR_FORMAT:
6477                 free(bar_format);
6478                 if ((bar_format = strdup(value)) == NULL)
6479                         err(1, "setconfvalue: bar_format");
6480                 break;
6481         case SWM_S_BAR_JUSTIFY:
6482                 if (!strcmp(value, "left"))
6483                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
6484                 else if (!strcmp(value, "center"))
6485                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
6486                 else if (!strcmp(value, "right"))
6487                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
6488                 else
6489                         errx(1, "invalid bar_justify");
6490                 break;
6491         case SWM_S_BORDER_WIDTH:
6492                 border_width = atoi(value);
6493                 if (border_width < 0)
6494                         border_width = 0;
6495                 break;
6496         case SWM_S_CLOCK_ENABLED:
6497                 clock_enabled = atoi(value);
6498                 break;
6499         case SWM_S_CLOCK_FORMAT:
6500 #ifndef SWM_DENY_CLOCK_FORMAT
6501                 free(clock_format);
6502                 if ((clock_format = strdup(value)) == NULL)
6503                         err(1, "setconfvalue: clock_format");
6504 #endif
6505                 break;
6506         case SWM_S_CYCLE_EMPTY:
6507                 cycle_empty = atoi(value);
6508                 break;
6509         case SWM_S_CYCLE_VISIBLE:
6510                 cycle_visible = atoi(value);
6511                 break;
6512         case SWM_S_DIALOG_RATIO:
6513                 dialog_ratio = atof(value);
6514                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
6515                         dialog_ratio = .6;
6516                 break;
6517         case SWM_S_DISABLE_BORDER:
6518                 disable_border = atoi(value);
6519                 break;
6520         case SWM_S_FOCUS_CLOSE:
6521                 if (!strcmp(value, "first"))
6522                         focus_close = SWM_STACK_BOTTOM;
6523                 else if (!strcmp(value, "last"))
6524                         focus_close = SWM_STACK_TOP;
6525                 else if (!strcmp(value, "next"))
6526                         focus_close = SWM_STACK_ABOVE;
6527                 else if (!strcmp(value, "previous"))
6528                         focus_close = SWM_STACK_BELOW;
6529                 else
6530                         errx(1, "focus_close");
6531                 break;
6532         case SWM_S_FOCUS_CLOSE_WRAP:
6533                 focus_close_wrap = atoi(value);
6534                 break;
6535         case SWM_S_FOCUS_DEFAULT:
6536                 if (!strcmp(value, "last"))
6537                         focus_default = SWM_STACK_TOP;
6538                 else if (!strcmp(value, "first"))
6539                         focus_default = SWM_STACK_BOTTOM;
6540                 else
6541                         errx(1, "focus_default");
6542                 break;
6543         case SWM_S_FOCUS_MODE:
6544                 if (!strcmp(value, "default"))
6545                         focus_mode = SWM_FOCUS_DEFAULT;
6546                 else if (!strcmp(value, "follow") ||
6547                     !strcmp(value, "follow_cursor"))
6548                         focus_mode = SWM_FOCUS_FOLLOW;
6549                 else if (!strcmp(value, "manual"))
6550                         focus_mode = SWM_FOCUS_MANUAL;
6551                 else
6552                         errx(1, "focus_mode");
6553                 break;
6554         case SWM_S_SPAWN_ORDER:
6555                 if (!strcmp(value, "first"))
6556                         spawn_position = SWM_STACK_BOTTOM;
6557                 else if (!strcmp(value, "last"))
6558                         spawn_position = SWM_STACK_TOP;
6559                 else if (!strcmp(value, "next"))
6560                         spawn_position = SWM_STACK_ABOVE;
6561                 else if (!strcmp(value, "previous"))
6562                         spawn_position = SWM_STACK_BELOW;
6563                 else
6564                         errx(1, "spawn_position");
6565                 break;
6566         case SWM_S_SPAWN_TERM:
6567                 setconfspawn("term", value, 0);
6568                 setconfspawn("spawn_term", value, 0);
6569                 break;
6570         case SWM_S_SS_APP:
6571                 break;
6572         case SWM_S_SS_ENABLED:
6573                 ss_enabled = atoi(value);
6574                 break;
6575         case SWM_S_STACK_ENABLED:
6576                 stack_enabled = atoi(value);
6577                 break;
6578         case SWM_S_TERM_WIDTH:
6579                 term_width = atoi(value);
6580                 if (term_width < 0)
6581                         term_width = 0;
6582                 break;
6583         case SWM_S_TITLE_CLASS_ENABLED:
6584                 title_class_enabled = atoi(value);
6585                 break;
6586         case SWM_S_TITLE_NAME_ENABLED:
6587                 title_name_enabled = atoi(value);
6588                 break;
6589         case SWM_S_URGENT_ENABLED:
6590                 urgent_enabled = atoi(value);
6591                 break;
6592         case SWM_S_VERBOSE_LAYOUT:
6593                 verbose_layout = atoi(value);
6594                 for (i = 0; layouts[i].l_stack != NULL; i++) {
6595                         if (verbose_layout)
6596                                 layouts[i].l_string = fancy_stacker;
6597                         else
6598                                 layouts[i].l_string = plain_stacker;
6599                 }
6600                 break;
6601         case SWM_S_WINDOW_NAME_ENABLED:
6602                 window_name_enabled = atoi(value);
6603                 break;
6604         case SWM_S_WORKSPACE_LIMIT:
6605                 workspace_limit = atoi(value);
6606                 if (workspace_limit > SWM_WS_MAX)
6607                         workspace_limit = SWM_WS_MAX;
6608                 else if (workspace_limit < 1)
6609                         workspace_limit = 1;
6610                 break;
6611         default:
6612                 return (1);
6613         }
6614         return (0);
6615 }
6616
6617 int
6618 setconfmodkey(char *selector, char *value, int flags)
6619 {
6620         /* suppress unused warnings since vars are needed */
6621         (void)selector;
6622         (void)flags;
6623
6624         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
6625                 update_modkey(XCB_MOD_MASK_1);
6626         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
6627                 update_modkey(XCB_MOD_MASK_2);
6628         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
6629                 update_modkey(XCB_MOD_MASK_3);
6630         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
6631                 update_modkey(XCB_MOD_MASK_4);
6632         else
6633                 return (1);
6634         return (0);
6635 }
6636
6637 int
6638 setconfcolor(char *selector, char *value, int flags)
6639 {
6640         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
6641         return (0);
6642 }
6643
6644 int
6645 setconfregion(char *selector, char *value, int flags)
6646 {
6647         /* suppress unused warnings since vars are needed */
6648         (void)selector;
6649         (void)flags;
6650
6651         custom_region(value);
6652         return (0);
6653 }
6654
6655 int
6656 setautorun(char *selector, char *value, int flags)
6657 {
6658         int                     ws_id;
6659         char                    s[1024];
6660         char                    *ap, *sp;
6661         union arg               a;
6662         int                     argc = 0;
6663         pid_t                   pid;
6664         struct pid_e            *p;
6665
6666         /* suppress unused warnings since vars are needed */
6667         (void)selector;
6668         (void)flags;
6669
6670         if (getenv("SWM_STARTED"))
6671                 return (0);
6672
6673         bzero(s, sizeof s);
6674         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
6675                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
6676         ws_id--;
6677         if (ws_id < 0 || ws_id >= workspace_limit)
6678                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
6679
6680         sp = expand_tilde((char *)&s);
6681
6682         /*
6683          * This is a little intricate
6684          *
6685          * If the pid already exists we simply reuse it because it means it was
6686          * used before AND not claimed by manage_window.  We get away with
6687          * altering it in the parent after INSERT because this can not be a race
6688          */
6689         a.argv = NULL;
6690         while ((ap = strsep(&sp, " \t")) != NULL) {
6691                 if (*ap == '\0')
6692                         continue;
6693                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
6694                 argc++;
6695                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
6696                         err(1, "setautorun: realloc");
6697                 a.argv[argc - 1] = ap;
6698         }
6699         free(sp);
6700
6701         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
6702                 err(1, "setautorun: realloc");
6703         a.argv[argc] = NULL;
6704
6705         if ((pid = fork()) == 0) {
6706                 spawn(ws_id, &a, 1);
6707                 /* NOTREACHED */
6708                 _exit(1);
6709         }
6710         free(a.argv);
6711
6712         /* parent */
6713         p = find_pid(pid);
6714         if (p == NULL) {
6715                 p = calloc(1, sizeof *p);
6716                 if (p == NULL)
6717                         return (1);
6718                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
6719         }
6720
6721         p->pid = pid;
6722         p->ws = ws_id;
6723
6724         return (0);
6725 }
6726
6727 int
6728 setlayout(char *selector, char *value, int flags)
6729 {
6730         int                     ws_id, i, x, mg, ma, si, ar, f = 0;
6731         int                     st = SWM_V_STACK, num_screens;
6732         char                    s[1024];
6733         struct workspace        *ws;
6734
6735         /* suppress unused warnings since vars are needed */
6736         (void)selector;
6737         (void)flags;
6738
6739         if (getenv("SWM_STARTED"))
6740                 return (0);
6741
6742         bzero(s, sizeof s);
6743         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6744             &ws_id, &mg, &ma, &si, &ar, s) != 6)
6745                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6746                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6747                     "<type>'");
6748         ws_id--;
6749         if (ws_id < 0 || ws_id >= workspace_limit)
6750                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6751
6752         if (!strcasecmp(s, "vertical"))
6753                 st = SWM_V_STACK;
6754         else if (!strcasecmp(s, "vertical_flip")) {
6755                 st = SWM_V_STACK;
6756                 f = 1;
6757         } else if (!strcasecmp(s, "horizontal"))
6758                 st = SWM_H_STACK;
6759         else if (!strcasecmp(s, "horizontal_flip")) {
6760                 st = SWM_H_STACK;
6761                 f = 1;
6762         } else if (!strcasecmp(s, "fullscreen"))
6763                 st = SWM_MAX_STACK;
6764         else
6765                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6766                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6767                     "<type>'");
6768
6769         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6770         for (i = 0; i < num_screens; i++) {
6771                 ws = (struct workspace *)&screens[i].ws;
6772                 ws[ws_id].cur_layout = &layouts[st];
6773
6774                 ws[ws_id].always_raise = ar;
6775                 if (st == SWM_MAX_STACK)
6776                         continue;
6777
6778                 /* master grow */
6779                 for (x = 0; x < abs(mg); x++) {
6780                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6781                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6782                             SWM_ARG_ID_MASTERSHRINK);
6783                         stack();
6784                 }
6785                 /* master add */
6786                 for (x = 0; x < abs(ma); x++) {
6787                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6788                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6789                             SWM_ARG_ID_MASTERDEL);
6790                         stack();
6791                 }
6792                 /* stack inc */
6793                 for (x = 0; x < abs(si); x++) {
6794                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6795                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6796                             SWM_ARG_ID_STACKDEC);
6797                         stack();
6798                 }
6799                 /* Apply flip */
6800                 if (f) {
6801                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6802                             SWM_ARG_ID_FLIPLAYOUT);
6803                         stack();
6804                 }
6805         }
6806
6807         focus_flush();
6808
6809         return (0);
6810 }
6811
6812 /* config options */
6813 struct config_option {
6814         char                    *optname;
6815         int                     (*func)(char*, char*, int);
6816         int                     funcflags;
6817 };
6818 struct config_option configopt[] = {
6819         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6820         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6821         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6822         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6823         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6824         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6825         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6826         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6827         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6828         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6829         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6830         { "keyboard_mapping",           setkeymapping,  0 },
6831         { "bind",                       setconfbinding, 0 },
6832         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6833         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6834         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6835         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6836         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6837         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6838         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6839         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6840         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6841         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6842         { "modkey",                     setconfmodkey,  0 },
6843         { "program",                    setconfspawn,   0 },
6844         { "quirk",                      setconfquirk,   0 },
6845         { "region",                     setconfregion,  0 },
6846         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6847         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6848         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6849         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6850         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6851         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6852         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6853         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6854         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6855         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6856         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6857         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6858         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6859         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6860         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6861         { "autorun",                    setautorun,     0 },
6862         { "layout",                     setlayout,      0 },
6863 };
6864
6865 int
6866 conf_load(const char *filename, int keymapping)
6867 {
6868         FILE                    *config;
6869         char                    *line, *cp, *optsub, *optval;
6870         size_t                  linelen, lineno = 0;
6871         int                     wordlen, i, optidx;
6872         struct config_option    *opt = NULL;
6873
6874         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6875
6876         if (filename == NULL) {
6877                 warnx("conf_load: no filename");
6878                 return (1);
6879         }
6880         if ((config = fopen(filename, "r")) == NULL) {
6881                 warn("conf_load: fopen: %s", filename);
6882                 return (1);
6883         }
6884
6885         while (!feof(config)) {
6886                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6887                     == NULL) {
6888                         if (ferror(config))
6889                                 err(1, "%s", filename);
6890                         else
6891                                 continue;
6892                 }
6893                 cp = line;
6894                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6895                 if (cp[0] == '\0') {
6896                         /* empty line */
6897                         free(line);
6898                         continue;
6899                 }
6900                 /* get config option */
6901                 wordlen = strcspn(cp, "=[ \t\n");
6902                 if (wordlen == 0) {
6903                         warnx("%s: line %zd: no option found",
6904                             filename, lineno);
6905                         goto out;
6906                 }
6907                 optidx = -1;
6908                 for (i = 0; i < LENGTH(configopt); i++) {
6909                         opt = &configopt[i];
6910                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6911                             (int)strlen(opt->optname) == wordlen) {
6912                                 optidx = i;
6913                                 break;
6914                         }
6915                 }
6916                 if (optidx == -1) {
6917                         warnx("%s: line %zd: unknown option %.*s",
6918                             filename, lineno, wordlen, cp);
6919                         goto out;
6920                 }
6921                 if (keymapping && opt && strcmp(opt->optname, "bind")) {
6922                         warnx("%s: line %zd: invalid option %.*s",
6923                             filename, lineno, wordlen, cp);
6924                         goto out;
6925                 }
6926                 cp += wordlen;
6927                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6928                 /* get [selector] if any */
6929                 optsub = NULL;
6930                 if (*cp == '[') {
6931                         cp++;
6932                         wordlen = strcspn(cp, "]");
6933                         if (*cp != ']') {
6934                                 if (wordlen == 0) {
6935                                         warnx("%s: line %zd: syntax error",
6936                                             filename, lineno);
6937                                         goto out;
6938                                 }
6939
6940                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6941                                     -1) {
6942                                         warnx("%s: line %zd: unable to allocate"
6943                                             "memory for selector", filename,
6944                                             lineno);
6945                                         goto out;
6946                                 }
6947                         }
6948                         cp += wordlen;
6949                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6950                 }
6951                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6952                 /* get RHS value */
6953                 optval = strdup(cp);
6954                 /* call function to deal with it all */
6955                 if (configopt[optidx].func(optsub, optval,
6956                     configopt[optidx].funcflags) != 0)
6957                         errx(1, "%s: line %zd: invalid data for %s",
6958                             filename, lineno, configopt[optidx].optname);
6959                 free(optval);
6960                 free(optsub);
6961                 free(line);
6962         }
6963
6964         fclose(config);
6965         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6966
6967         return (0);
6968
6969 out:
6970         free(line);
6971         fclose(config);
6972         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6973
6974         return (1);
6975 }
6976
6977 void
6978 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6979 {
6980         struct ws_win           *parent, *w;
6981         struct swm_region       *r;
6982         struct workspace        *ws;
6983         xcb_icccm_wm_hints_t    wmh;
6984
6985         parent = find_window(win->transient);
6986         if (parent)
6987                 parent->focus_child = win;
6988         else {
6989                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6990                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6991
6992                 r = root_to_region(win->wa->root, SWM_CK_ALL);
6993                 ws = r->ws;
6994                 /* parent doen't exist in our window list */
6995                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6996                         if (xcb_icccm_get_wm_hints_reply(conn,
6997                             xcb_icccm_get_wm_hints(conn, w->id),
6998                             &wmh, NULL) != 1) {
6999                                 warnx("can't get hints for 0x%x", w->id);
7000                                 continue;
7001                         }
7002
7003                         if (win->hints.window_group != wmh.window_group)
7004                                 continue;
7005
7006                         w->focus_child = win;
7007                         win->transient = w->id;
7008                         *trans = w->id;
7009                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
7010                             "transient to 0x%x\n", win->transient);
7011                         break;
7012                 }
7013         }
7014 }
7015
7016 pid_t
7017 window_get_pid(xcb_window_t win)
7018 {
7019         pid_t                           ret = 0;
7020         const char                      *errstr;
7021         xcb_atom_t                      apid;
7022         xcb_get_property_cookie_t       pc;
7023         xcb_get_property_reply_t        *pr;
7024
7025         apid = get_atom_from_string("_NET_WM_PID");
7026         if (apid == XCB_ATOM_NONE)
7027                 goto tryharder;
7028
7029         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
7030         pr = xcb_get_property_reply(conn, pc, NULL);
7031         if (!pr)
7032                 goto tryharder;
7033         if (pr->type != XCB_ATOM_CARDINAL) {
7034                 free(pr);
7035                 goto tryharder;
7036         }
7037
7038         if (pr->type == apid && pr->format == 32)
7039                 ret = *((pid_t *)xcb_get_property_value(pr));
7040         free(pr);
7041
7042         return (ret);
7043
7044 tryharder:
7045         apid = get_atom_from_string("_SWM_PID");
7046         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
7047             0, SWM_PROPLEN);
7048         pr = xcb_get_property_reply(conn, pc, NULL);
7049         if (!pr)
7050                 return (0);
7051         if (pr->type != apid) {
7052                 free(pr);
7053                 return (0);
7054         }
7055
7056         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
7057         free(pr);
7058
7059         return (ret);
7060 }
7061
7062 int
7063 get_ws_idx(xcb_window_t id)
7064 {
7065         int                     ws_idx = -1;
7066         char                    *prop = NULL;
7067         size_t                  proplen;
7068         const char              *errstr;
7069         xcb_get_property_reply_t        *gpr;
7070
7071         gpr = xcb_get_property_reply(conn,
7072                 xcb_get_property(conn, 0, id, a_swm_ws,
7073                     XCB_ATOM_STRING, 0, SWM_PROPLEN),
7074                 NULL);
7075         if (!gpr)
7076                 return (-1);
7077         if (gpr->type) {
7078                 proplen = xcb_get_property_value_length(gpr);
7079                 if (proplen > 0) {
7080                         prop = malloc(proplen + 1);
7081                         if (prop) {
7082                                 memcpy(prop,
7083                                     xcb_get_property_value(gpr),
7084                                     proplen);
7085                                 prop[proplen] = '\0';
7086                         }
7087                 }
7088         }
7089         free(gpr);
7090
7091         if (prop) {
7092                 DNPRINTF(SWM_D_PROP, "get_ws_idx: _SWM_WS: %s\n", prop);
7093                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1, &errstr);
7094                 if (errstr) {
7095                         DNPRINTF(SWM_D_PROP, "get_ws_idx: window: #%s: %s",
7096                             errstr, prop);
7097                 }
7098                 free(prop);
7099         }
7100
7101         return ws_idx;
7102 }
7103
7104 struct ws_win *
7105 manage_window(xcb_window_t id, uint16_t mapped)
7106 {
7107         xcb_window_t            trans = XCB_WINDOW_NONE;
7108         struct ws_win           *win, *ww;
7109         int                     ws_idx;
7110         char                    ws_idx_str[SWM_PROPLEN];
7111         struct swm_region       *r;
7112         struct pid_e            *p;
7113         struct quirk            *qp;
7114         uint32_t                i, wa[2];
7115         xcb_icccm_get_wm_protocols_reply_t      wpr;
7116
7117         if ((win = find_window(id)) != NULL) {
7118                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x already "
7119                     "managed; skipping.)\n", id);
7120                 return (win);   /* Already managed. */
7121         }
7122
7123         /* See if window is on the unmanaged list. */
7124         if ((win = find_unmanaged_window(id)) != NULL) {
7125                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x found on "
7126                     "unmanaged list.\n", id);
7127                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
7128
7129                 if (win->transient)
7130                         set_child_transient(win, &trans);
7131
7132                 goto out;
7133         } else {
7134                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x is new.\n", id);
7135         }
7136
7137         /* Create and initialize ws_win object. */
7138         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
7139                 err(1, "manage_window: calloc: failed to allocate memory for "
7140                     "new window");
7141
7142         win->id = id;
7143
7144         /* Get window geometry. */
7145         win->wa = xcb_get_geometry_reply(conn,
7146             xcb_get_geometry(conn, win->id),
7147             NULL);
7148
7149         /* Figure out which region the window belongs to. */
7150         r = root_to_region(win->wa->root, SWM_CK_ALL);
7151
7152         /* Ignore window border if there is one. */
7153         WIDTH(win) = win->wa->width;
7154         HEIGHT(win) = win->wa->height;
7155         X(win) = win->wa->x + win->wa->border_width - border_width;
7156         Y(win) = win->wa->y + win->wa->border_width - border_width;
7157         win->bordered = 1;
7158         win->mapped = mapped;
7159         win->floatmaxed = 0;
7160         win->ewmh_flags = 0;
7161         win->s = r->s;  /* this never changes */
7162
7163         store_float_geom(win, r);
7164
7165         /* Get WM_SIZE_HINTS. */
7166         xcb_icccm_get_wm_normal_hints_reply(conn,
7167             xcb_icccm_get_wm_normal_hints(conn, win->id),
7168             &win->sh, NULL);
7169
7170         /* Get WM_HINTS. */
7171         xcb_icccm_get_wm_hints_reply(conn,
7172             xcb_icccm_get_wm_hints(conn, win->id),
7173             &win->hints, NULL);
7174
7175         /* Get WM_TRANSIENT_FOR; see if window is a transient. */
7176         xcb_icccm_get_wm_transient_for_reply(conn,
7177             xcb_icccm_get_wm_transient_for(conn, win->id),
7178             &trans, NULL);
7179         if (trans) {
7180                 win->transient = trans;
7181                 set_child_transient(win, &win->transient);
7182         }
7183
7184         /* Get supported protocols. */
7185         if (xcb_icccm_get_wm_protocols_reply(conn,
7186             xcb_icccm_get_wm_protocols(conn, win->id, a_prot),
7187             &wpr, NULL)) {
7188                 for (i = 0; i < wpr.atoms_len; i++) {
7189                         if (wpr.atoms[i] == a_takefocus)
7190                                 win->take_focus = 1;
7191                         if (wpr.atoms[i] == a_delete)
7192                                 win->can_delete = 1;
7193                 }
7194                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
7195         }
7196
7197         win->iconic = get_swm_iconic(win);
7198
7199         /* Figure out which workspace the window belongs to. */
7200         if ((p = find_pid(window_get_pid(win->id))) != NULL) {
7201                 win->ws = &r->s->ws[p->ws];
7202                 TAILQ_REMOVE(&pidlist, p, entry);
7203                 free(p);
7204                 p = NULL;
7205         } else if ((ws_idx = get_ws_idx(win->id)) != -1 &&
7206             !win->transient) {
7207                 /* _SWM_WS is set; use that. */
7208                 win->ws = &r->s->ws[ws_idx];
7209         } else if (trans && (ww = find_window(trans)) != NULL) {
7210                 /* Launch transients in the same ws as parent. */
7211                 win->ws = ww->ws;
7212         } else {
7213                 win->ws = r->ws;
7214         }
7215
7216         /* Set the _SWM_WS atom so we can remember this after reincarnation. */
7217         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", win->ws->idx) <
7218             SWM_PROPLEN) {
7219                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
7220                     ws_idx_str);
7221                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
7222                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
7223                     ws_idx_str);
7224         }
7225
7226         /* Handle EWMH */
7227         ewmh_autoquirk(win);
7228
7229         /* Determine initial quirks. */
7230         if (xcb_icccm_get_wm_class_reply(conn,
7231             xcb_icccm_get_wm_class(conn, win->id),
7232             &win->ch, NULL)) {
7233                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
7234                     win->ch.class_name, win->ch.instance_name);
7235
7236                 /* java is retarded so treat it special */
7237                 if (strstr(win->ch.instance_name, "sun-awt")) {
7238                         DNPRINTF(SWM_D_CLASS, "manage_window: java window "
7239                             "detected.\n");
7240                         win->java = 1;
7241                 }
7242
7243                 TAILQ_FOREACH(qp, &quirks, entry) {
7244                         if (!strcmp(win->ch.class_name, qp->class) &&
7245                             !strcmp(win->ch.instance_name, qp->name)) {
7246                                 DNPRINTF(SWM_D_CLASS, "manage_window: on quirks"
7247                                     "list; mask: 0x%lx\n", qp->quirk);
7248                                 if (qp->quirk & SWM_Q_FLOAT)
7249                                         win->floating = 1;
7250                                 win->quirks = qp->quirk;
7251                         }
7252                 }
7253         }
7254
7255         /* Alter window position if quirky */
7256         if (win->quirks & SWM_Q_ANYWHERE)
7257                 win->manual = 1;
7258
7259         /* Reset font sizes (the bruteforce way; no default keybinding). */
7260         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
7261                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7262                         fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
7263                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7264                         fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
7265         }
7266
7267         /* Make sure window is positioned inside its region, if its active. */
7268         if (win->ws->r) {
7269                 constrain_window(win, win->ws->r, 0);
7270                 update_window(win);
7271         }
7272
7273         /* Select which X events to monitor and set border pixel color. */
7274         wa[0] = win->s->c[SWM_S_COLOR_UNFOCUS].pixel;
7275         wa[1] = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_PROPERTY_CHANGE |
7276             XCB_EVENT_MASK_STRUCTURE_NOTIFY;
7277 #ifdef SWM_DEBUG
7278         wa[1] |= XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE;
7279 #endif
7280
7281         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL |
7282             XCB_CW_EVENT_MASK, wa);
7283
7284 out:
7285         /* Figure out where to stack the window in the workspace. */
7286         if (trans && (ww = find_window(trans)))
7287                 TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
7288         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
7289                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
7290                     entry);
7291         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
7292                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
7293         else switch (spawn_position) {
7294         default:
7295         case SWM_STACK_TOP:
7296         case SWM_STACK_ABOVE:
7297                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
7298                 break;
7299         case SWM_STACK_BOTTOM:
7300         case SWM_STACK_BELOW:
7301                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
7302         }
7303
7304         /* Get initial _NET_WM_STATE */
7305         ewmh_get_win_state(win);
7306         /* Set initial _NET_WM_ALLOWED_ACTIONS */
7307         ewmh_update_actions(win);
7308
7309         grabbuttons(win);
7310
7311         DNPRINTF(SWM_D_MISC, "manage_window: done. window: 0x%x, (x,y) w x h: "
7312             "(%d,%d) %d x %d, ws: %d, iconic: %s, transient: 0x%x\n", win->id,
7313             X(win), Y(win), WIDTH(win), HEIGHT(win), win->ws->idx,
7314             YESNO(win->iconic), win->transient);
7315
7316         return (win);
7317 }
7318
7319 void
7320 free_window(struct ws_win *win)
7321 {
7322         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
7323
7324         if (win == NULL)
7325                 return;
7326
7327         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
7328
7329         if (win->wa)
7330                 free(win->wa);
7331
7332         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
7333
7334         kill_refs(win);
7335
7336         /* paint memory */
7337         memset(win, 0xff, sizeof *win); /* XXX kill later */
7338
7339         free(win);
7340         DNPRINTF(SWM_D_MISC, "free_window: done.\n");
7341 }
7342
7343 void
7344 unmanage_window(struct ws_win *win)
7345 {
7346         struct ws_win           *parent;
7347
7348         if (win == NULL)
7349                 return;
7350
7351         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
7352
7353         if (win->transient) {
7354                 parent = find_window(win->transient);
7355                 if (parent)
7356                         parent->focus_child = NULL;
7357         }
7358
7359         TAILQ_REMOVE(&win->ws->winlist, win, entry);
7360         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
7361 }
7362
7363 void
7364 expose(xcb_expose_event_t *e)
7365 {
7366         int                     i, num_screens;
7367         struct swm_region       *r;
7368
7369         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
7370
7371         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7372         for (i = 0; i < num_screens; i++)
7373                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7374                         if (e->window == WINID(r->bar))
7375                                 bar_update();
7376
7377         xcb_flush(conn);
7378 }
7379
7380 #ifdef SWM_DEBUG
7381 void
7382 focusin(xcb_focus_in_event_t *e)
7383 {
7384         DNPRINTF(SWM_D_EVENT, "focusin: window: 0x%x, mode: %s(%u), "
7385             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
7386             e->mode, get_notify_detail_label(e->detail), e->detail);
7387 }
7388
7389 void
7390 focusout(xcb_focus_out_event_t *e)
7391 {
7392         DNPRINTF(SWM_D_EVENT, "focusout: window: 0x%x, mode: %s(%u), "
7393             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
7394             e->mode, get_notify_detail_label(e->detail), e->detail);
7395 }
7396 #endif
7397
7398 void
7399 keypress(xcb_key_press_event_t *e)
7400 {
7401         xcb_keysym_t            keysym;
7402         struct key              *kp;
7403
7404         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
7405
7406         DNPRINTF(SWM_D_EVENT, "keypress: %u %u\n", e->detail, keysym);
7407
7408         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
7409                 return;
7410
7411         last_event_time = e->time;
7412
7413         if (kp->funcid == KF_SPAWN_CUSTOM)
7414                 spawn_custom(root_to_region(e->root, SWM_CK_ALL),
7415                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
7416         else if (keyfuncs[kp->funcid].func)
7417                 keyfuncs[kp->funcid].func(root_to_region(e->root, SWM_CK_ALL),
7418                     &(keyfuncs[kp->funcid].args));
7419 }
7420
7421 void
7422 buttonpress(xcb_button_press_event_t *e)
7423 {
7424         struct ws_win           *win = NULL;
7425         struct swm_region       *r, *old_r;
7426         int                     i;
7427         int                     handled = 0;
7428
7429         DNPRINTF(SWM_D_EVENT, "buttonpress: win (x,y): 0x%x (%d,%d), "
7430             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
7431             "state: %u, same_screen: %s\n", e->event, e->event_x, e->event_y,
7432             e->detail, e->time, e->root, e->root_x, e->root_y, e->child,
7433             e->state, YESNO(e->same_screen));
7434
7435         if (e->event == e->root) {
7436                 if (e->child != 0) {
7437                         win = find_window(e->child);
7438                         /* Pass ButtonPress to window if it isn't managed. */
7439                         if (win == NULL)
7440                                 goto out;
7441                 } else {
7442                         /* Focus on empty region */
7443                         /* If no windows on region if its empty. */
7444                         r = root_to_region(e->root, SWM_CK_POINTER);
7445                         if (r && TAILQ_EMPTY(&r->ws->winlist)) {
7446                                 old_r = root_to_region(e->root, SWM_CK_FOCUS);
7447                                 if (old_r && old_r != r)
7448                                         unfocus_win(old_r->ws->focus);
7449
7450                                 xcb_set_input_focus(conn,
7451                                     XCB_INPUT_FOCUS_PARENT, e->root, e->time);
7452
7453                                 /* Clear bar since empty. */
7454                                 bar_update();
7455
7456                                 handled = 1;
7457                                 goto out;
7458                         }
7459                 }
7460         } else {
7461                 win = find_window(e->event);
7462         }
7463
7464         if (win == NULL)
7465                 return;
7466
7467         last_event_time = e->time;
7468
7469         focus_win(get_focus_magic(win));
7470
7471         for (i = 0; i < LENGTH(buttons); i++)
7472                 if (client_click == buttons[i].action && buttons[i].func &&
7473                     buttons[i].button == e->detail &&
7474                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state)) {
7475                         buttons[i].func(win, &buttons[i].args);
7476                         handled = 1;
7477                 }
7478
7479 out:
7480         if (!handled) {
7481                 DNPRINTF(SWM_D_EVENT, "buttonpress: passing to window.\n");
7482                 /* Replay event to event window */
7483                 xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, e->time);
7484         } else {
7485                 DNPRINTF(SWM_D_EVENT, "buttonpress: handled.\n");
7486                 /* Unfreeze grab events. */
7487                 xcb_allow_events(conn, XCB_ALLOW_SYNC_POINTER, e->time);
7488         }
7489
7490         xcb_flush(conn);
7491 }
7492
7493 #ifdef SWM_DEBUG
7494 void
7495 print_win_geom(xcb_window_t w)
7496 {
7497         xcb_get_geometry_reply_t        *wa;
7498
7499         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
7500
7501         if (!wa) {
7502                 DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: 0x%x\n",
7503                     w);
7504                 return;
7505         }
7506
7507         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
7508             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
7509             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
7510             wa->border_width);
7511
7512         free(wa);
7513 }
7514 #endif
7515
7516 #ifdef SWM_DEBUG
7517 char *
7518 get_stack_mode_name(uint8_t mode)
7519 {
7520         char    *name;
7521
7522         switch(mode) {
7523         case XCB_STACK_MODE_ABOVE:
7524                 name = "Above";
7525                 break;
7526         case XCB_STACK_MODE_BELOW:
7527                 name = "Below";
7528                 break;
7529         case XCB_STACK_MODE_TOP_IF:
7530                 name = "TopIf";
7531                 break;
7532         case XCB_STACK_MODE_BOTTOM_IF:
7533                 name = "BottomIf";
7534                 break;
7535         case XCB_STACK_MODE_OPPOSITE:
7536                 name = "Opposite";
7537                 break;
7538         default:
7539                 name = "Unknown";
7540         }
7541
7542         return name;
7543 }
7544 #endif
7545
7546 void
7547 configurerequest(xcb_configure_request_event_t *e)
7548 {
7549         struct ws_win           *win;
7550         struct swm_region       *r = NULL;
7551         int                     new = 0, i = 0;
7552         uint16_t                mask = 0;
7553         uint32_t                wc[7] = {0};
7554
7555         if ((win = find_window(e->window)) == NULL)
7556                 if ((win = find_unmanaged_window(e->window)) == NULL)
7557                         new = 1;
7558
7559 #ifdef SWM_DEBUG
7560         if (swm_debug & SWM_D_EVENT) {
7561                 print_win_geom(e->window);
7562
7563                 DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%x, "
7564                     "parent: 0x%x, new: %s, value_mask: %u { ", e->window,
7565                     e->parent, YESNO(new), e->value_mask);
7566                 if (e->value_mask & XCB_CONFIG_WINDOW_X)
7567                         DPRINTF("X: %d ", e->x);
7568                 if (e->value_mask & XCB_CONFIG_WINDOW_Y)
7569                         DPRINTF("Y: %d ", e->y);
7570                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
7571                         DPRINTF("W: %u ", e->width);
7572                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
7573                         DPRINTF("H: %u ", e->height);
7574                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
7575                         DPRINTF("Border: %u ", e->border_width);
7576                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING)
7577                         DPRINTF("Sibling: 0x%x ", e->sibling);
7578                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE)
7579                         DPRINTF("StackMode: %s(%u) ",
7580                             get_stack_mode_name(e->stack_mode), e->stack_mode);
7581                 DPRINTF("}\n");
7582         }
7583 #endif
7584
7585         if (new) {
7586                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
7587                         mask |= XCB_CONFIG_WINDOW_X;
7588                         wc[i++] = e->x;
7589                 }
7590                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
7591                         mask |= XCB_CONFIG_WINDOW_Y;
7592                         wc[i++] = e->y;
7593                 }
7594                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
7595                         mask |= XCB_CONFIG_WINDOW_WIDTH;
7596                         wc[i++] = e->width;
7597                 }
7598                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
7599                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
7600                         wc[i++] = e->height;
7601                 }
7602                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
7603                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
7604                         wc[i++] = e->border_width;
7605                 }
7606                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
7607                         mask |= XCB_CONFIG_WINDOW_SIBLING;
7608                         wc[i++] = e->sibling;
7609                 }
7610                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
7611                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
7612                         wc[i++] = e->stack_mode;
7613                 }
7614
7615                 if (mask != 0) {
7616                         xcb_configure_window(conn, e->window, mask, wc);
7617                         xcb_flush(conn);
7618                 }
7619         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
7620             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
7621                 if (win->ws->r)
7622                         r = win->ws->r;
7623                 else if (win->ws->old_r)
7624                         r = win->ws->old_r;
7625
7626                 /* windows are centered unless ANYWHERE quirk is set. */
7627                 if (win->quirks & SWM_Q_ANYWHERE) {
7628                         if (e->value_mask & XCB_CONFIG_WINDOW_X) {
7629                                 win->g_float.x = e->x;
7630                                 if (r)
7631                                         win->g_float.x -= X(r);
7632                         }
7633
7634                         if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
7635                                 win->g_float.y = e->y;
7636                                 if (r)
7637                                         win->g_float.y -= Y(r);
7638                         }
7639                 }
7640
7641                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
7642                         win->g_float.w = e->width;
7643
7644                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
7645                         win->g_float.h = e->height;
7646
7647                 win->g_floatvalid = 1;
7648
7649                 if (win->floating && r && (win->transient ||
7650                     win->ws->cur_layout != &layouts[SWM_MAX_STACK])) {
7651                         WIDTH(win) = win->g_float.w;
7652                         HEIGHT(win) = win->g_float.h;
7653
7654                         stack_floater(win, win->ws->r);
7655
7656                         focus_flush();
7657                 } else {
7658                         config_win(win, e);
7659                         xcb_flush(conn);
7660                 }
7661         } else {
7662                 config_win(win, e);
7663                 xcb_flush(conn);
7664         }
7665
7666         DNPRINTF(SWM_D_EVENT, "configurerequest: done.\n");
7667 }
7668
7669 void
7670 configurenotify(xcb_configure_notify_event_t *e)
7671 {
7672         struct ws_win           *win;
7673
7674         DNPRINTF(SWM_D_EVENT, "configurenotify: win 0x%x, event win: 0x%x, "
7675             "(x,y) WxH: (%d,%d) %ux%u, border: %u, above_sibling: 0x%x, "
7676             "override_redirect: %s\n", e->window, e->event, e->x, e->y,
7677             e->width, e->height, e->border_width, e->above_sibling,
7678             YESNO(e->override_redirect));
7679
7680         win = find_window(e->window);
7681         if (win) {
7682                 xcb_icccm_get_wm_normal_hints_reply(conn,
7683                     xcb_icccm_get_wm_normal_hints(conn, win->id),
7684                     &win->sh, NULL);
7685                 adjust_font(win);
7686                 if (font_adjusted) {
7687                         stack();
7688                         xcb_flush(conn);
7689                 }
7690         }
7691 }
7692
7693 void
7694 destroynotify(xcb_destroy_notify_event_t *e)
7695 {
7696         struct ws_win           *win;
7697
7698         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
7699
7700         if ((win = find_window(e->window)) == NULL) {
7701                 if ((win = find_unmanaged_window(e->window)) == NULL)
7702                         return;
7703                 free_window(win);
7704                 return;
7705         }
7706
7707         if (focus_mode != SWM_FOCUS_FOLLOW) {
7708                 /* If we were focused, make sure we focus on something else. */
7709                 if (win == win->ws->focus)
7710                         win->ws->focus_pending = get_focus_prev(win);
7711         }
7712
7713         unmanage_window(win);
7714         stack();
7715
7716         if (focus_mode != SWM_FOCUS_FOLLOW) {
7717                 if (win->ws->focus_pending) {
7718                         focus_win(win->ws->focus_pending);
7719                         win->ws->focus_pending = NULL;
7720                 }
7721         }
7722
7723         free_window(win);
7724
7725         focus_flush();
7726 }
7727
7728 #ifdef SWM_DEBUG
7729 char *
7730 get_notify_detail_label(uint8_t detail)
7731 {
7732         char *label;
7733
7734         switch (detail) {
7735         case XCB_NOTIFY_DETAIL_ANCESTOR:
7736                 label = "Ancestor";
7737                 break;
7738         case XCB_NOTIFY_DETAIL_VIRTUAL:
7739                 label = "Virtual";
7740                 break;
7741         case XCB_NOTIFY_DETAIL_INFERIOR:
7742                 label = "Inferior";
7743                 break;
7744         case XCB_NOTIFY_DETAIL_NONLINEAR:
7745                 label = "Nonlinear";
7746                 break;
7747         case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
7748                 label = "NonlinearVirtual";
7749                 break;
7750         case XCB_NOTIFY_DETAIL_POINTER:
7751                 label = "Pointer";
7752                 break;
7753         case XCB_NOTIFY_DETAIL_POINTER_ROOT:
7754                 label = "PointerRoot";
7755                 break;
7756         case XCB_NOTIFY_DETAIL_NONE:
7757                 label = "None";
7758                 break;
7759         default:
7760                 label = "Unknown";
7761         }
7762
7763         return label;
7764 }
7765
7766 char *
7767 get_notify_mode_label(uint8_t mode)
7768 {
7769         char *label;
7770
7771         switch (mode) {
7772         case XCB_NOTIFY_MODE_NORMAL:
7773                 label = "Normal";
7774                 break;
7775         case XCB_NOTIFY_MODE_GRAB:
7776                 label = "Grab";
7777                 break;
7778         case XCB_NOTIFY_MODE_UNGRAB:
7779                 label = "Ungrab";
7780                 break;
7781         case XCB_NOTIFY_MODE_WHILE_GRABBED:
7782                 label = "WhileGrabbed";
7783                 break;
7784         default:
7785                 label = "Unknown";
7786         }
7787
7788         return label;
7789 }
7790 #endif
7791
7792 void
7793 enternotify(xcb_enter_notify_event_t *e)
7794 {
7795         struct ws_win           *win;
7796         struct swm_region       *old_r, *r;
7797
7798         DNPRINTF(SWM_D_FOCUS, "enternotify: time: %u, win (x,y): 0x%x "
7799             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
7800             "child: 0x%x, same_screen_focus: %s, state: %d\n",
7801             e->time, e->event, e->event_x, e->event_y,
7802             get_notify_mode_label(e->mode), e->mode,
7803             get_notify_detail_label(e->detail), e->detail,
7804             e->root, e->root_x, e->root_y, e->child,
7805             YESNO(e->same_screen_focus), e->state);
7806
7807         if (focus_mode == SWM_FOCUS_MANUAL &&
7808             e->mode == XCB_NOTIFY_MODE_NORMAL) {
7809                 DNPRINTF(SWM_D_EVENT, "enternotify: manual focus; ignoring.\n");
7810                 return;
7811         }
7812
7813         last_event_time = e->time;
7814
7815         if ((win = find_window(e->event)) == NULL) {
7816                 if (e->event == e->root) {
7817                         /* If no windows on pointer region, then focus root. */
7818                         r = root_to_region(e->root, SWM_CK_POINTER);
7819                         if (TAILQ_EMPTY(&r->ws->winlist)) {
7820                                 old_r = root_to_region(e->root, SWM_CK_FOCUS);
7821                                 if (old_r && old_r != r)
7822                                         unfocus_win(old_r->ws->focus);
7823
7824                                 xcb_set_input_focus(conn,
7825                                     XCB_INPUT_FOCUS_PARENT, e->root, e->time);
7826
7827                                 /* Clear bar since empty. */
7828                                 bar_update();
7829
7830                                 focus_flush();
7831                         }
7832                 } else {
7833                         DNPRINTF(SWM_D_EVENT, "enternotify: window is NULL; "
7834                             "ignoring\n");
7835                 }
7836                 return;
7837         }
7838
7839         focus_win(get_focus_magic(win));
7840
7841         xcb_flush(conn);
7842 }
7843
7844 #ifdef SWM_DEBUG
7845 void
7846 leavenotify(xcb_leave_notify_event_t *e)
7847 {
7848         DNPRINTF(SWM_D_FOCUS, "leavenotify: time: %u, win (x,y): 0x%x "
7849             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
7850             "child: 0x%x, same_screen_focus: %s, state: %d\n",
7851             e->time, e->event, e->event_x, e->event_y,
7852             get_notify_mode_label(e->mode), e->mode,
7853             get_notify_detail_label(e->detail), e->detail,
7854             e->root, e->root_x, e->root_y, e->child,
7855             YESNO(e->same_screen_focus), e->state);
7856 }
7857 #endif
7858
7859 void
7860 mapnotify(xcb_map_notify_event_t *e)
7861 {
7862         struct ws_win           *win;
7863
7864         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
7865
7866         if ((win = find_window(e->window)) == NULL)
7867                 win = manage_window(e->window, 1);
7868
7869         win->mapped = 1;
7870         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
7871
7872         if (focus_mode != SWM_FOCUS_FOLLOW) {
7873                 if (win->ws->focus_pending == win) {
7874                         focus_win(win);
7875                         win->ws->focus_pending = NULL;
7876                         focus_flush();
7877                 }
7878         }
7879
7880         xcb_flush(conn);
7881 }
7882
7883 void
7884 mappingnotify(xcb_mapping_notify_event_t *e)
7885 {
7886         xcb_refresh_keyboard_mapping(syms, e);
7887
7888         if (e->request == XCB_MAPPING_KEYBOARD)
7889                 grabkeys();
7890 }
7891
7892 void
7893 maprequest(xcb_map_request_event_t *e)
7894 {
7895         struct ws_win           *win;
7896         xcb_get_window_attributes_reply_t *war;
7897
7898         DNPRINTF(SWM_D_EVENT, "maprequest: win 0x%x\n",
7899             e->window);
7900
7901         war = xcb_get_window_attributes_reply(conn,
7902             xcb_get_window_attributes(conn, e->window),
7903             NULL);
7904         if (war == NULL) {
7905                 DNPRINTF(SWM_D_EVENT, "maprequest: window lost.\n");
7906                 goto out;
7907         }
7908
7909         if (war->override_redirect) {
7910                 DNPRINTF(SWM_D_EVENT, "maprequest: override_redirect; "
7911                     "skipping.\n");
7912                 goto out;
7913         }
7914
7915         win = manage_window(e->window,
7916             (war->map_state == XCB_MAP_STATE_VIEWABLE));
7917
7918         /* The new window should get focus; prepare. */
7919         if (focus_mode != SWM_FOCUS_FOLLOW)
7920                 win->ws->focus_pending = get_focus_magic(win);
7921
7922         /* All windows need to be mapped if they are in the current workspace.*/
7923         if (win->ws->r)
7924                 stack();
7925
7926         /* Ignore EnterNotify to handle the mapnotify without interference. */
7927         if (focus_mode == SWM_FOCUS_DEFAULT)
7928                 event_drain(XCB_ENTER_NOTIFY);
7929 out:
7930         free(war);
7931         DNPRINTF(SWM_D_EVENT, "maprequest: done.\n");
7932 }
7933
7934 #ifdef SWM_DEBUG
7935 char *
7936 get_atom_name(xcb_atom_t atom)
7937 {
7938         char                            *name = NULL;
7939 #if 0
7940         /*
7941          * This should be disabled during most debugging since
7942          * xcb_get_* causes an xcb_flush.
7943          */
7944         size_t                          len;
7945         xcb_get_atom_name_reply_t       *r;
7946
7947         r = xcb_get_atom_name_reply(conn,
7948             xcb_get_atom_name(conn, atom),
7949             NULL);
7950         if (r) {
7951                 len = xcb_get_atom_name_name_length(r);
7952                 if (len > 0) {
7953                         name = malloc(len + 1);
7954                         if (name) {
7955                                 memcpy(name, xcb_get_atom_name_name(r), len);
7956                                 name[len] = '\0';
7957                         }
7958                 }
7959                 free(r);
7960         }
7961 #else
7962         (void)atom;
7963 #endif
7964         return (name);
7965 }
7966 #endif
7967
7968 void
7969 propertynotify(xcb_property_notify_event_t *e)
7970 {
7971         struct ws_win           *win;
7972 #ifdef SWM_DEBUG
7973         char                    *name;
7974
7975         name = get_atom_name(e->atom);
7976         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u), "
7977             "time: %#x, state: %u\n", e->window, name, e->atom, e->time,
7978             e->state);
7979         free(name);
7980 #endif
7981         win = find_window(e->window);
7982         if (win == NULL)
7983                 return;
7984
7985         last_event_time = e->time;
7986
7987         if (e->atom == a_swm_iconic) {
7988                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
7989                         if (focus_mode != SWM_FOCUS_FOLLOW)
7990                                 win->ws->focus_pending = get_focus_prev(win);
7991
7992                         unfocus_win(win);
7993                         unmap_window(win);
7994
7995                         if (win->ws->r) {
7996                                 stack();
7997                                 if (focus_mode != SWM_FOCUS_FOLLOW) {
7998                                         focus_win(win->ws->focus_pending);
7999                                         win->ws->focus_pending = NULL;
8000                                 }
8001                                 focus_flush();
8002                         }
8003                 } else if (e->state == XCB_PROPERTY_DELETE) {
8004                         /* The window is no longer iconic, restack ws. */
8005                         if (focus_mode != SWM_FOCUS_FOLLOW)
8006                                 win->ws->focus_pending = get_focus_magic(win);
8007
8008                         stack();
8009
8010                         /* Flush EnterNotify for mapnotify, if needed. */
8011                         focus_flush();
8012                 }
8013         } else if (e->atom == a_state) {
8014                 /* State just changed, make sure it gets focused if mapped. */
8015                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8016                         if (focus_mode != SWM_FOCUS_FOLLOW) {
8017                                 if (win->mapped &&
8018                                     win->ws->focus_pending == win) {
8019                                         focus_win(win->ws->focus_pending);
8020                                         win->ws->focus_pending = NULL;
8021                                 }
8022                         }
8023                 }
8024         } else if (e->atom == XCB_ATOM_WM_CLASS ||
8025             e->atom == XCB_ATOM_WM_NAME) {
8026                 bar_update();
8027         }
8028
8029         xcb_flush(conn);
8030 }
8031
8032 void
8033 unmapnotify(xcb_unmap_notify_event_t *e)
8034 {
8035         struct ws_win           *win;
8036         struct workspace        *ws;
8037
8038         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
8039
8040         /* If we aren't managing the window, then ignore. */
8041         win = find_window(e->window);
8042         if (win == NULL)
8043                 return;
8044
8045         ws = win->ws;
8046
8047         if (getstate(e->window) != XCB_ICCCM_WM_STATE_ICONIC)
8048                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8049
8050         if (win->mapped) {
8051                 /* window unmapped itself */
8052                 /* do unmap/unfocus/restack and unmanage */
8053                 win->mapped = 0;
8054
8055                 /* If win was focused, make sure to focus on something else. */
8056                 if (win == ws->focus) {
8057                         if (focus_mode != SWM_FOCUS_FOLLOW) {
8058                                 ws->focus_pending = get_focus_prev(win);
8059                                 DNPRINTF(SWM_D_EVENT, "unmapnotify: "
8060                                     "focus_pending: 0x%x\n",
8061                                     WINID(ws->focus_pending));
8062                         }
8063
8064                         unfocus_win(win);
8065                 }
8066
8067                 unmanage_window(win);
8068
8069                 if (ws->r)
8070                         stack();
8071
8072                 if (focus_mode == SWM_FOCUS_FOLLOW) {
8073                         if (ws->r)
8074                                 focus_win(get_pointer_win(ws->r->s->root));
8075                 } else {
8076                         if (ws->focus_pending) {
8077                                 focus_win(ws->focus_pending);
8078                                 ws->focus_pending = NULL;
8079                         }
8080                 }
8081         }
8082
8083         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL)
8084                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8085
8086         focus_flush();
8087 }
8088
8089 #if 0
8090 void
8091 visibilitynotify(xcb_visibility_notify_event_t *e)
8092 {
8093         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
8094             e->window);
8095 }
8096 #endif
8097
8098 void
8099 clientmessage(xcb_client_message_event_t *e)
8100 {
8101         struct ws_win *win;
8102         xcb_map_request_event_t mre;
8103 #ifdef SWM_DEBUG
8104         char                    *name;
8105
8106         name = get_atom_name(e->type);
8107         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
8108             e->window, name, e->type);
8109         free(name);
8110 #endif
8111         win = find_window(e->window);
8112
8113         if (win == NULL) {
8114                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8115                         /* Manage the window with maprequest. */
8116                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
8117                             "unmanaged window.\n");
8118                         mre.window = e->window;
8119                         maprequest(&mre);
8120                 }
8121                 return;
8122         }
8123
8124         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8125                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
8126                 focus_win(win);
8127         }
8128         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
8129                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
8130                 if (win->can_delete)
8131                         client_msg(win, a_delete, 0);
8132                 else
8133                         xcb_kill_client(conn, win->id);
8134         }
8135         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
8136                 DNPRINTF(SWM_D_EVENT,
8137                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
8138                 if (win->floating) {
8139                         if (e->data.data32[0] & (1<<8)) /* x */
8140                                 X(win) = e->data.data32[1];
8141                         if (e->data.data32[0] & (1<<9)) /* y */
8142                                 Y(win) = e->data.data32[2];
8143                         if (e->data.data32[0] & (1<<10)) /* width */
8144                                 WIDTH(win) = e->data.data32[3];
8145                         if (e->data.data32[0] & (1<<11)) /* height */
8146                                 HEIGHT(win) = e->data.data32[4];
8147
8148                         update_window(win);
8149                 }
8150                 else {
8151                         /* TODO: Change stack sizes */
8152                         /* notify no change was made. */
8153                         config_win(win, NULL);
8154                 }
8155         }
8156         if (e->type == ewmh[_NET_WM_STATE].atom) {
8157                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
8158                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
8159                 if (e->data.data32[2])
8160                         ewmh_update_win_state(win, e->data.data32[2],
8161                             e->data.data32[0]);
8162
8163                 stack();
8164         }
8165
8166         focus_flush();
8167 }
8168
8169 void
8170 check_conn(void)
8171 {
8172         int      errcode = xcb_connection_has_error(conn);
8173 #ifdef XCB_CONN_ERROR
8174         char    *s;
8175         switch (errcode) {
8176         case XCB_CONN_ERROR:
8177                 s = "Socket error, pipe error or other stream error.";
8178                 break;
8179         case XCB_CONN_CLOSED_EXT_NOTSUPPORTED:
8180                 s = "Extension not supported.";
8181                 break;
8182         case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
8183                 s = "Insufficient memory.";
8184                 break;
8185         case XCB_CONN_CLOSED_REQ_LEN_EXCEED:
8186                 s = "Request length was exceeded.";
8187                 break;
8188         case XCB_CONN_CLOSED_PARSE_ERR:
8189                 s = "Error parsing display string.";
8190                 break;
8191         default:
8192                 s = "Unknown error.";
8193         }
8194         if (errcode)
8195                 errx(errcode, "X CONNECTION ERROR: %s", s);
8196 #else
8197         if (errcode)
8198                 errx(errcode, "X CONNECTION ERROR");
8199 #endif
8200 }
8201
8202 int
8203 enable_wm(void)
8204 {
8205         int                     num_screens, i;
8206         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
8207             XCB_EVENT_MASK_ENTER_WINDOW;
8208         xcb_screen_t            *sc;
8209         xcb_void_cookie_t       wac;
8210         xcb_generic_error_t     *error;
8211
8212         /* this causes an error if some other window manager is running */
8213         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8214         for (i = 0; i < num_screens; i++) {
8215                 if ((sc = get_screen(i)) == NULL)
8216                         errx(1, "ERROR: can't get screen %d.", i);
8217                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
8218                     i, sc->root);
8219                 wac = xcb_change_window_attributes_checked(conn, sc->root,
8220                     XCB_CW_EVENT_MASK, &val);
8221                 if ((error = xcb_request_check(conn, wac))) {
8222                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
8223                             error->error_code);
8224                         free(error);
8225                         return 1;
8226                 }
8227
8228                 /* click to focus on empty region */
8229                 xcb_grab_button(conn, 1, sc->root, BUTTONMASK,
8230                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
8231                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_1, XCB_BUTTON_MASK_ANY);
8232         }
8233
8234         return 0;
8235 }
8236
8237 void
8238 new_region(struct swm_screen *s, int x, int y, int w, int h)
8239 {
8240         struct swm_region       *r, *n;
8241         struct workspace        *ws = NULL;
8242         int                     i;
8243
8244         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
8245              s->idx, w, h, x, y);
8246
8247         /* remove any conflicting regions */
8248         n = TAILQ_FIRST(&s->rl);
8249         while (n) {
8250                 r = n;
8251                 n = TAILQ_NEXT(r, entry);
8252                 if (X(r) < (x + w) &&
8253                     (X(r) + WIDTH(r)) > x &&
8254                     Y(r) < (y + h) &&
8255                     (Y(r) + HEIGHT(r)) > y) {
8256                         if (r->ws->r != NULL)
8257                                 r->ws->old_r = r->ws->r;
8258                         r->ws->r = NULL;
8259                         bar_cleanup(r);
8260                         TAILQ_REMOVE(&s->rl, r, entry);
8261                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
8262                 }
8263         }
8264
8265         /* search old regions for one to reuse */
8266
8267         /* size + location match */
8268         TAILQ_FOREACH(r, &s->orl, entry)
8269                 if (X(r) == x && Y(r) == y &&
8270                     HEIGHT(r) == h && WIDTH(r) == w)
8271                         break;
8272
8273         /* size match */
8274         TAILQ_FOREACH(r, &s->orl, entry)
8275                 if (HEIGHT(r) == h && WIDTH(r) == w)
8276                         break;
8277
8278         if (r != NULL) {
8279                 TAILQ_REMOVE(&s->orl, r, entry);
8280                 /* try to use old region's workspace */
8281                 if (r->ws->r == NULL)
8282                         ws = r->ws;
8283         } else
8284                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
8285                         err(1, "new_region: calloc: failed to allocate memory "
8286                             "for screen");
8287
8288         /* if we don't have a workspace already, find one */
8289         if (ws == NULL) {
8290                 for (i = 0; i < workspace_limit; i++)
8291                         if (s->ws[i].r == NULL) {
8292                                 ws = &s->ws[i];
8293                                 break;
8294                         }
8295         }
8296
8297         if (ws == NULL)
8298                 errx(1, "new_region: no free workspaces");
8299
8300         X(r) = x;
8301         Y(r) = y;
8302         WIDTH(r) = w;
8303         HEIGHT(r) = h;
8304         r->s = s;
8305         r->ws = ws;
8306         r->ws_prior = NULL;
8307         ws->r = r;
8308         outputs++;
8309         TAILQ_INSERT_TAIL(&s->rl, r, entry);
8310 }
8311
8312 void
8313 scan_xrandr(int i)
8314 {
8315 #ifdef SWM_XRR_HAS_CRTC
8316         int                                             c;
8317         int                                             ncrtc = 0;
8318 #endif /* SWM_XRR_HAS_CRTC */
8319         struct swm_region                               *r;
8320         int                                             num_screens;
8321         xcb_randr_get_screen_resources_current_cookie_t src;
8322         xcb_randr_get_screen_resources_current_reply_t  *srr;
8323         xcb_randr_get_crtc_info_cookie_t                cic;
8324         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
8325         xcb_randr_crtc_t                                *crtc;
8326         xcb_screen_t                                    *screen;
8327
8328         DNPRINTF(SWM_D_MISC, "scan_xrandr: screen: %d\n", i);
8329
8330         if ((screen = get_screen(i)) == NULL)
8331                 errx(1, "ERROR: can't get screen %d.", i);
8332
8333         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8334         if (i >= num_screens)
8335                 errx(1, "scan_xrandr: invalid screen");
8336
8337         /* remove any old regions */
8338         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
8339                 r->ws->old_r = r->ws->r = NULL;
8340                 bar_cleanup(r);
8341                 TAILQ_REMOVE(&screens[i].rl, r, entry);
8342                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
8343         }
8344         outputs = 0;
8345
8346         /* map virtual screens onto physical screens */
8347 #ifdef SWM_XRR_HAS_CRTC
8348         if (xrandr_support) {
8349                 src = xcb_randr_get_screen_resources_current(conn,
8350                     screens[i].root);
8351                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
8352                     NULL);
8353                 if (srr == NULL) {
8354                         new_region(&screens[i], 0, 0,
8355                             screen->width_in_pixels,
8356                             screen->height_in_pixels);
8357                         goto out;
8358                 } else
8359                         ncrtc = srr->num_crtcs;
8360
8361                 crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
8362                 for (c = 0; c < ncrtc; c++) {
8363                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
8364                             XCB_CURRENT_TIME);
8365                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
8366                         if (cir == NULL)
8367                                 continue;
8368                         if (cir->num_outputs == 0) {
8369                                 free(cir);
8370                                 continue;
8371                         }
8372
8373                         if (cir->mode == 0)
8374                                 new_region(&screens[i], 0, 0,
8375                                     screen->width_in_pixels,
8376                                     screen->height_in_pixels);
8377                         else
8378                                 new_region(&screens[i],
8379                                     cir->x, cir->y, cir->width, cir->height);
8380                         free(cir);
8381                 }
8382                 free(srr);
8383         }
8384 #endif /* SWM_XRR_HAS_CRTC */
8385
8386         /* If detection failed, create a single region that spans the screen. */
8387         if (TAILQ_EMPTY(&screens[i].rl))
8388                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
8389                     screen->height_in_pixels);
8390
8391 out:
8392         DNPRINTF(SWM_D_MISC, "scan_xrandr: done.\n");
8393 }
8394
8395 void
8396 screenchange(xcb_randr_screen_change_notify_event_t *e)
8397 {
8398         struct swm_region               *r;
8399         int                             i, num_screens;
8400
8401         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
8402
8403         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8404         /* silly event doesn't include the screen index */
8405         for (i = 0; i < num_screens; i++)
8406                 if (screens[i].root == e->root)
8407                         break;
8408         if (i >= num_screens)
8409                 errx(1, "screenchange: screen not found");
8410
8411         /* brute force for now, just re-enumerate the regions */
8412         scan_xrandr(i);
8413
8414 #ifdef SWM_DEBUG
8415         print_win_geom(e->root);
8416 #endif
8417         /* add bars to all regions */
8418         for (i = 0; i < num_screens; i++)
8419                 TAILQ_FOREACH(r, &screens[i].rl, entry)
8420                         bar_setup(r);
8421         stack();
8422 }
8423
8424 void
8425 grab_windows(void)
8426 {
8427         xcb_window_t            *wins = NULL, trans;
8428         int                     no;
8429         int                     i, j, num_screens;
8430         uint16_t                state, manage, mapped;
8431
8432         xcb_query_tree_cookie_t                 qtc;
8433         xcb_query_tree_reply_t                  *qtr;
8434         xcb_get_window_attributes_cookie_t      c;
8435         xcb_get_window_attributes_reply_t       *r;
8436         xcb_get_property_cookie_t               pc;
8437
8438         DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
8439         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8440         for (i = 0; i < num_screens; i++) {
8441                 qtc = xcb_query_tree(conn, screens[i].root);
8442                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
8443                 if (!qtr)
8444                         continue;
8445                 wins = xcb_query_tree_children(qtr);
8446                 no = xcb_query_tree_children_length(qtr);
8447                 /* attach windows to a region */
8448                 /* normal windows */
8449                 DNPRINTF(SWM_D_INIT, "grab_windows: grab top level windows.\n");
8450                 for (j = 0; j < no; j++) {
8451                         c = xcb_get_window_attributes(conn, wins[j]);
8452                         r = xcb_get_window_attributes_reply(conn, c, NULL);
8453                         if (!r) {
8454                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8455                                     "doesn't exist.\n", wins[j]);
8456                                 continue;
8457                         }
8458                         if (r->override_redirect) {
8459                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8460                                     "override_redirect set.\n", wins[j]);
8461                                 free(r);
8462                                 continue;
8463                         }
8464
8465                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
8466                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
8467                             &trans, NULL)) {
8468                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8469                                     "is transient for %#x.\n", wins[j], trans);
8470                                 free(r);
8471                                 continue;
8472                         }
8473
8474                         state = getstate(wins[j]);
8475                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
8476                         mapped = r->map_state != XCB_MAP_STATE_UNMAPPED;
8477                         if (mapped || manage)
8478                                 manage_window(wins[j], mapped);
8479                         free(r);
8480                 }
8481                 /* transient windows */
8482                 DNPRINTF(SWM_D_INIT, "grab_windows: grab transient windows.\n");
8483                 for (j = 0; j < no; j++) {
8484                         c = xcb_get_window_attributes(conn, wins[j]);
8485                         r = xcb_get_window_attributes_reply(conn, c, NULL);
8486                         if (!r) {
8487                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8488                                     "doesn't exist.\n", wins[j]);
8489                                 continue;
8490                         }
8491                         if (r->override_redirect) {
8492                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8493                                     "override_redirect set.\n", wins[j]);
8494                                 free(r);
8495                                 continue;
8496                         }
8497
8498                         state = getstate(wins[j]);
8499                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
8500                         mapped = r->map_state != XCB_MAP_STATE_UNMAPPED;
8501                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
8502                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
8503                             &trans, NULL) && manage)
8504                                 manage_window(wins[j], mapped);
8505                         free(r);
8506                 }
8507                 free(qtr);
8508         }
8509         DNPRINTF(SWM_D_INIT, "grab_windows: done.\n");
8510 }
8511
8512 void
8513 setup_screens(void)
8514 {
8515         int                     i, j, k, num_screens;
8516         struct workspace        *ws;
8517         uint32_t                gcv[1], wa[1];
8518         const xcb_query_extension_reply_t *qep;
8519         xcb_screen_t                            *screen;
8520         xcb_randr_query_version_cookie_t        c;
8521         xcb_randr_query_version_reply_t         *r;
8522
8523         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8524         if ((screens = calloc(num_screens,
8525              sizeof(struct swm_screen))) == NULL)
8526                 err(1, "setup_screens: calloc: failed to allocate memory for "
8527                     "screens");
8528
8529         /* initial Xrandr setup */
8530         xrandr_support = 0;
8531         qep = xcb_get_extension_data(conn, &xcb_randr_id);
8532         if (qep->present) {
8533                 c = xcb_randr_query_version(conn, 1, 1);
8534                 r = xcb_randr_query_version_reply(conn, c, NULL);
8535                 if (r) {
8536                         if (r->major_version >= 1) {
8537                                 xrandr_support = 1;
8538                                 xrandr_eventbase = qep->first_event;
8539                         }
8540                         free(r);
8541                 }
8542         }
8543
8544         wa[0] = cursors[XC_LEFT_PTR].cid;
8545
8546         /* map physical screens */
8547         for (i = 0; i < num_screens; i++) {
8548                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
8549                 screens[i].idx = i;
8550                 TAILQ_INIT(&screens[i].rl);
8551                 TAILQ_INIT(&screens[i].orl);
8552                 if ((screen = get_screen(i)) == NULL)
8553                         errx(1, "ERROR: can't get screen %d.", i);
8554                 screens[i].root = screen->root;
8555
8556                 /* set default colors */
8557                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
8558                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
8559                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
8560                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
8561                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
8562
8563                 /* create graphics context on screen */
8564                 screens[i].bar_gc = xcb_generate_id(conn);
8565                 gcv[0] = 0;
8566                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
8567                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
8568
8569                 /* set default cursor */
8570                 xcb_change_window_attributes(conn, screens[i].root,
8571                     XCB_CW_CURSOR, wa);
8572
8573                 /* init all workspaces */
8574                 /* XXX these should be dynamically allocated too */
8575                 for (j = 0; j < SWM_WS_MAX; j++) {
8576                         ws = &screens[i].ws[j];
8577                         ws->idx = j;
8578                         ws->name = NULL;
8579                         ws->focus = NULL;
8580                         ws->focus_prev = NULL;
8581                         ws->focus_pending = NULL;
8582                         ws->r = NULL;
8583                         ws->old_r = NULL;
8584                         TAILQ_INIT(&ws->winlist);
8585                         TAILQ_INIT(&ws->unmanagedlist);
8586
8587                         for (k = 0; layouts[k].l_stack != NULL; k++)
8588                                 if (layouts[k].l_config != NULL)
8589                                         layouts[k].l_config(ws,
8590                                             SWM_ARG_ID_STACKINIT);
8591                         ws->cur_layout = &layouts[0];
8592                         ws->cur_layout->l_string(ws);
8593                 }
8594
8595                 scan_xrandr(i);
8596
8597                 if (xrandr_support)
8598                         xcb_randr_select_input(conn, screens[i].root,
8599                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
8600         }
8601 }
8602
8603 void
8604 setup_globals(void)
8605 {
8606         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
8607                 err(1, "setup_globals: strdup: failed to allocate memory.");
8608
8609         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
8610                 err(1, "setup_globals: strdup: failed to allocate memory.");
8611
8612         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
8613                 errx(1, "unable to allocate key symbols");
8614
8615         a_state = get_atom_from_string("WM_STATE");
8616         a_prot = get_atom_from_string("WM_PROTOCOLS");
8617         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
8618         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
8619         a_wmname = get_atom_from_string("WM_NAME");
8620         a_netwmname = get_atom_from_string("_NET_WM_NAME");
8621         a_utf8_string = get_atom_from_string("UTF8_STRING");
8622         a_string = get_atom_from_string("STRING");
8623         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
8624         a_swm_ws = get_atom_from_string("_SWM_WS");
8625 }
8626
8627 void
8628 workaround(void)
8629 {
8630         int                     i, num_screens;
8631         xcb_atom_t              netwmcheck;
8632         xcb_window_t            root, win;
8633
8634         /* work around sun jdk bugs, code from wmname */
8635         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
8636
8637         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8638         for (i = 0; i < num_screens; i++) {
8639                 root = screens[i].root;
8640
8641                 win = xcb_generate_id(conn);
8642                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, root,
8643                     0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
8644                     XCB_COPY_FROM_PARENT, 0, NULL);
8645
8646                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
8647                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
8648                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
8649                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
8650                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
8651                     a_netwmname, a_utf8_string, 8, strlen("LG3D"), "LG3D");
8652         }
8653 }
8654
8655 void
8656 shutdown_cleanup(void)
8657 {
8658         int i, num_screens;
8659
8660         /* disable alarm because the following code may not be interrupted */
8661         alarm(0);
8662         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
8663                 err(1, "can't disable alarm");
8664
8665         bar_extra_stop();
8666         bar_extra = 1;
8667         unmap_all();
8668
8669         cursors_cleanup();
8670
8671         teardown_ewmh();
8672
8673         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8674         for (i = 0; i < num_screens; ++i) {
8675                 if (screens[i].bar_gc != 0)
8676                         xcb_free_gc(conn, screens[i].bar_gc);
8677                 if (!bar_font_legacy)
8678                         XftColorFree(display, DefaultVisual(display, i),
8679                             DefaultColormap(display, i), &bar_font_color);
8680         }
8681
8682         if (bar_font_legacy)
8683                 XFreeFontSet(display, bar_fs);
8684         else {
8685                 XftFontClose(display, bar_font);
8686         }
8687
8688         xcb_key_symbols_free(syms);
8689         xcb_flush(conn);
8690         xcb_disconnect(conn);
8691 }
8692
8693 void
8694 event_error(xcb_generic_error_t *e)
8695 {
8696         (void)e;
8697
8698         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
8699             "resource_id: %u, minor_code: %u\n",
8700             xcb_event_get_error_label(e->error_code), e->error_code,
8701             xcb_event_get_request_label(e->major_code), e->major_code,
8702             e->sequence, e->resource_id, e->minor_code);
8703 }
8704
8705 void
8706 event_handle(xcb_generic_event_t *evt)
8707 {
8708         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
8709
8710         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d), seq %u\n",
8711             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
8712             XCB_EVENT_RESPONSE_TYPE(evt), evt->sequence);
8713
8714         switch (type) {
8715 #define EVENT(type, callback) case type: callback((void *)evt); return
8716         EVENT(0, event_error);
8717         EVENT(XCB_BUTTON_PRESS, buttonpress);
8718         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
8719         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
8720         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
8721         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
8722         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
8723         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
8724         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
8725         /*EVENT(XCB_CREATE_NOTIFY, );*/
8726         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
8727         EVENT(XCB_ENTER_NOTIFY, enternotify);
8728         EVENT(XCB_EXPOSE, expose);
8729 #ifdef SWM_DEBUG
8730         EVENT(XCB_FOCUS_IN, focusin);
8731         EVENT(XCB_FOCUS_OUT, focusout);
8732 #endif
8733         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
8734         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
8735         EVENT(XCB_KEY_PRESS, keypress);
8736         /*EVENT(XCB_KEY_RELEASE, keypress);*/
8737         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
8738 #ifdef SWM_DEBUG
8739         EVENT(XCB_LEAVE_NOTIFY, leavenotify);
8740 #endif
8741         EVENT(XCB_MAP_NOTIFY, mapnotify);
8742         EVENT(XCB_MAP_REQUEST, maprequest);
8743         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
8744         /*EVENT(XCB_MOTION_NOTIFY, );*/
8745         /*EVENT(XCB_NO_EXPOSURE, );*/
8746         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
8747         /*EVENT(XCB_REPARENT_NOTIFY, );*/
8748         /*EVENT(XCB_RESIZE_REQUEST, );*/
8749         /*EVENT(XCB_SELECTION_CLEAR, );*/
8750         /*EVENT(XCB_SELECTION_NOTIFY, );*/
8751         /*EVENT(XCB_SELECTION_REQUEST, );*/
8752         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
8753         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
8754 #undef EVENT
8755         }
8756         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
8757                 screenchange((void *)evt);
8758 }
8759
8760 int
8761 main(int argc, char *argv[])
8762 {
8763         struct swm_region       *r, *rr;
8764         struct ws_win           *winfocus = NULL;
8765         char                    conf[PATH_MAX], *cfile = NULL;
8766         struct stat             sb;
8767         int                     xfd, i, num_screens;
8768         struct sigaction        sact;
8769         xcb_generic_event_t     *evt;
8770         struct timeval          tv;
8771         fd_set                  rd;
8772
8773         /* suppress unused warning since var is needed */
8774         (void)argc;
8775
8776         time_started = time(NULL);
8777
8778         start_argv = argv;
8779         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
8780         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
8781                 warnx("no locale support");
8782
8783         /* handle some signals */
8784         bzero(&sact, sizeof(sact));
8785         sigemptyset(&sact.sa_mask);
8786         sact.sa_flags = 0;
8787         sact.sa_handler = sighdlr;
8788         sigaction(SIGINT, &sact, NULL);
8789         sigaction(SIGQUIT, &sact, NULL);
8790         sigaction(SIGTERM, &sact, NULL);
8791         sigaction(SIGHUP, &sact, NULL);
8792
8793         sact.sa_handler = sighdlr;
8794         sact.sa_flags = SA_NOCLDSTOP;
8795         sigaction(SIGCHLD, &sact, NULL);
8796
8797         if (!(display = XOpenDisplay(0)))
8798                 errx(1, "can not open display");
8799
8800         conn = XGetXCBConnection(display);
8801         if (xcb_connection_has_error(conn))
8802                 errx(1, "can not get XCB connection");
8803
8804         XSetEventQueueOwner(display, XCBOwnsEventQueue);
8805
8806         xcb_prefetch_extension_data(conn, &xcb_randr_id);
8807         xfd = xcb_get_file_descriptor(conn);
8808
8809         /* look for local and global conf file */
8810         pwd = getpwuid(getuid());
8811         if (pwd == NULL)
8812                 errx(1, "invalid user: %d", getuid());
8813
8814         xcb_grab_server(conn);
8815         xcb_aux_sync(conn);
8816
8817         /* flush all events */
8818         while ((evt = xcb_poll_for_event(conn))) {
8819                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
8820                         event_handle(evt);
8821                 free(evt);
8822         }
8823
8824         if (enable_wm() != 0)
8825                 errx(1, "another window manager is currently running");
8826
8827         /* Load Xcursors and/or cursorfont glyph cursors. */
8828         cursors_load();
8829
8830         xcb_aux_sync(conn);
8831
8832         setup_globals();
8833         setup_screens();
8834         setup_keys();
8835         setup_quirks();
8836         setup_spawn();
8837
8838         /* load config */
8839         for (i = 0; ; i++) {
8840                 conf[0] = '\0';
8841                 switch (i) {
8842                 case 0:
8843                         /* ~ */
8844                         snprintf(conf, sizeof conf, "%s/.%s",
8845                             pwd->pw_dir, SWM_CONF_FILE);
8846                         break;
8847                 case 1:
8848                         /* global */
8849                         snprintf(conf, sizeof conf, "/etc/%s",
8850                             SWM_CONF_FILE);
8851                         break;
8852                 case 2:
8853                         /* ~ compat */
8854                         snprintf(conf, sizeof conf, "%s/.%s",
8855                             pwd->pw_dir, SWM_CONF_FILE_OLD);
8856                         break;
8857                 case 3:
8858                         /* global compat */
8859                         snprintf(conf, sizeof conf, "/etc/%s",
8860                             SWM_CONF_FILE_OLD);
8861                         break;
8862                 default:
8863                         goto noconfig;
8864                 }
8865
8866                 if (strlen(conf) && stat(conf, &sb) != -1)
8867                         if (S_ISREG(sb.st_mode)) {
8868                                 cfile = conf;
8869                                 break;
8870                         }
8871         }
8872 noconfig:
8873
8874         /* load conf (if any) */
8875         if (cfile)
8876                 conf_load(cfile, SWM_CONF_DEFAULT);
8877
8878         setup_ewmh();
8879         /* set some values to work around bad programs */
8880         workaround();
8881         /* grab existing windows (before we build the bars) */
8882         grab_windows();
8883
8884         if (getenv("SWM_STARTED") == NULL)
8885                 setenv("SWM_STARTED", "YES", 1);
8886
8887         /* setup all bars */
8888         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8889         for (i = 0; i < num_screens; i++)
8890                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
8891                         if (winfocus == NULL)
8892                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
8893                         bar_setup(r);
8894                 }
8895
8896         grabkeys();
8897         stack();
8898
8899         xcb_ungrab_server(conn);
8900         xcb_flush(conn);
8901
8902         while (running) {
8903                 while ((evt = xcb_poll_for_event(conn))) {
8904                         if (!running)
8905                                 goto done;
8906                         event_handle(evt);
8907                         free(evt);
8908                 }
8909
8910                 /* If just (re)started, set default focus if needed. */
8911                 if (winfocus && focus_mode != SWM_FOCUS_FOLLOW) {
8912                         rr = winfocus->ws->r;
8913                         if (rr == NULL) {
8914                                 /* not a visible window */
8915                                 winfocus = NULL;
8916                                 continue;
8917                         }
8918
8919                         focus_win(get_region_focus(rr));
8920                         focus_flush();
8921                         winfocus = NULL;
8922                         continue;
8923                 }
8924
8925                 FD_ZERO(&rd);
8926                 FD_SET(xfd, &rd);
8927                 tv.tv_sec = 1;
8928                 tv.tv_usec = 0;
8929                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
8930                         if (errno != EINTR) {
8931                                 DNPRINTF(SWM_D_MISC, "select failed");
8932                         }
8933                 if (restart_wm)
8934                         restart(NULL, NULL);
8935                 if (search_resp)
8936                         search_do_resp();
8937                 if (!running)
8938                         goto done;
8939                 if (bar_alarm) {
8940                         bar_alarm = 0;
8941                         bar_update();
8942                 }
8943         }
8944 done:
8945         shutdown_cleanup();
8946
8947         return (0);
8948 }