spectrwm.c

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