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              0xf
 255 #define SWM_CK_FOCUS            0x1
 256 #define SWM_CK_POINTER          0x2
 257 #define SWM_CK_FALLBACK         0x4
 258 #define SWM_CK_REGION           0x8
 259
 260 #define SWM_CONF_DEFAULT        (0)
 261 #define SWM_CONF_KEYMAPPING     (1)
 262
 263 #ifndef SWM_LIB
 264 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 265 #endif
 266
 267 char                    **start_argv;
 268 xcb_atom_t              a_state;
 269 xcb_atom_t              a_prot;
 270 xcb_atom_t              a_delete;
 271 xcb_atom_t              a_takefocus;
 272 xcb_atom_t              a_wmname;
 273 xcb_atom_t              a_netwmname;
 274 xcb_atom_t              a_utf8_string;
 275 xcb_atom_t              a_string;
 276 xcb_atom_t              a_swm_iconic;
 277 xcb_atom_t              a_swm_ws;
 278 volatile sig_atomic_t   running = 1;
 279 volatile sig_atomic_t   restart_wm = 0;
 280 xcb_timestamp_t         last_event_time = 0;
 281 int                     outputs = 0;
 282 int                     other_wm;
 283 int                     xrandr_support;
 284 int                     xrandr_eventbase;
 285 unsigned int            numlockmask = 0;
 286
 287 Display                 *display;
 288 xcb_connection_t        *conn;
 289 xcb_key_symbols_t       *syms;
 290
 291 int                     cycle_empty = 0;
 292 int                     cycle_visible = 0;
 293 int                     term_width = 0;
 294 int                     font_adjusted = 0;
 295 unsigned int            mod_key = MODKEY;
 296
 297 /* dmenu search */
 298 struct swm_region       *search_r;
 299 int                     select_list_pipe[2];
 300 int                     select_resp_pipe[2];
 301 pid_t                   searchpid;
 302 volatile sig_atomic_t   search_resp;
 303 int                     search_resp_action;
 304
 305 struct search_window {
 306         TAILQ_ENTRY(search_window)      entry;
 307         int                             idx;
 308         struct ws_win                   *win;
 309         xcb_gcontext_t                  gc;
 310         xcb_window_t                    indicator;
 311 };
 312 TAILQ_HEAD(search_winlist, search_window);
 313 struct search_winlist                   search_wl;
 314
 315 /* search actions */
 316 enum {
 317         SWM_SEARCH_NONE,
 318         SWM_SEARCH_UNICONIFY,
 319         SWM_SEARCH_NAME_WORKSPACE,
 320         SWM_SEARCH_SEARCH_WORKSPACE,
 321         SWM_SEARCH_SEARCH_WINDOW
 322 };
 323
 324 #define SWM_STACK_TOP           (0)
 325 #define SWM_STACK_BOTTOM        (1)
 326 #define SWM_STACK_ABOVE         (2)
 327 #define SWM_STACK_BELOW         (3)
 328
 329 /* dialog windows */
 330 double                  dialog_ratio = 0.6;
 331 /* status bar */
 332 #define SWM_BAR_MAX             (256)
 333 #define SWM_BAR_JUSTIFY_LEFT    (0)
 334 #define SWM_BAR_JUSTIFY_CENTER  (1)
 335 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 336 #define SWM_BAR_OFFSET          (4)
 337 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-12-*-*-*-*-*-*-*," \
 338                                 "-*-profont-*-*-*-*-12-*-*-*-*-*-*-*,"      \
 339                                 "-*-times-medium-r-*-*-12-*-*-*-*-*-*-*,"    \
 340                                 "-misc-fixed-medium-r-*-*-12-*-*-*-*-*-*-*,"  \
 341                                 "-*-*-*-r-*-*-*-*-*-*-*-*-*-*"
 342
 343 #ifdef X_HAVE_UTF8_STRING
 344 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 345 #else
 346 #define DRAWSTRING(x...)        XmbDrawString(x)
 347 #endif
 348
 349 char            *bar_argv[] = { NULL, NULL };
 350 int              bar_pipe[2];
 351 char             bar_ext[SWM_BAR_MAX];
 352 char             bar_ext_buf[SWM_BAR_MAX];
 353 char             bar_vertext[SWM_BAR_MAX];
 354 int              bar_version = 0;
 355 int              bar_enabled = 1;
 356 int              bar_border_width = 1;
 357 int              bar_at_bottom = 0;
 358 int              bar_extra = 0;
 359 int              bar_verbose = 1;
 360 int              bar_height = 0;
 361 int              bar_justify = SWM_BAR_JUSTIFY_LEFT;
 362 char             *bar_format = NULL;
 363 int              stack_enabled = 1;
 364 int              clock_enabled = 1;
 365 int              urgent_enabled = 0;
 366 char            *clock_format = NULL;
 367 int              title_name_enabled = 0;
 368 int              title_class_enabled = 0;
 369 int              window_name_enabled = 0;
 370 int              focus_mode = SWM_FOCUS_DEFAULT;
 371 int              focus_close = SWM_STACK_BELOW;
 372 int              focus_close_wrap = 1;
 373 int              focus_default = SWM_STACK_TOP;
 374 int              spawn_position = SWM_STACK_TOP;
 375 int              disable_border = 0;
 376 int              border_width = 1;
 377 int              region_padding = 0;
 378 int              tile_gap = 0;
 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         xcb_window_t            id;
 411         struct swm_geometry     g;
 412         struct workspace        *ws;    /* current workspace on this region */
 413         struct workspace        *ws_prior; /* prior workspace on this region */
 414         struct swm_screen       *s;     /* screen idx */
 415         struct swm_bar          *bar;
 416 };
 417 TAILQ_HEAD(swm_region_list, swm_region);
 418
 419 struct ws_win {
 420         TAILQ_ENTRY(ws_win)     entry;
 421         xcb_window_t            id;
 422         xcb_window_t            transient;
 423         struct ws_win           *focus_child;   /* focus on child transient */
 424         struct swm_geometry     g;              /* current geometry */
 425         struct swm_geometry     g_float;        /* region coordinates */
 426         int                     g_floatvalid;   /* g_float geometry validity */
 427         int                     floatmaxed;     /* whether maxed by max_stack */
 428         int                     floating;
 429         int                     manual;
 430         int32_t                 mapped;
 431         int32_t                 iconic;
 432         int                     bordered;
 433         unsigned int            ewmh_flags;
 434         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 435         int                     font_steps;
 436         int                     last_inc;
 437         int                     can_delete;
 438         int                     take_focus;
 439         int                     java;
 440         unsigned long           quirks;
 441         struct workspace        *ws;    /* always valid */
 442         struct swm_screen       *s;     /* always valid, never changes */
 443         xcb_get_geometry_reply_t        *wa;
 444         xcb_size_hints_t        sh;
 445         xcb_icccm_get_wm_class_reply_t  ch;
 446         xcb_icccm_wm_hints_t    hints;
 447 };
 448 TAILQ_HEAD(ws_win_list, ws_win);
 449
 450 /* pid goo */
 451 struct pid_e {
 452         TAILQ_ENTRY(pid_e)      entry;
 453         pid_t                   pid;
 454         int                     ws;
 455 };
 456 TAILQ_HEAD(pid_list, pid_e);
 457 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 458
 459 /* layout handlers */
 460 void    stack(void);
 461 void    vertical_config(struct workspace *, int);
 462 void    vertical_stack(struct workspace *, struct swm_geometry *);
 463 void    horizontal_config(struct workspace *, int);
 464 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 465 void    max_stack(struct workspace *, struct swm_geometry *);
 466 void    plain_stacker(struct workspace *);
 467 void    fancy_stacker(struct workspace *);
 468
 469 struct layout {
 470         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 471         void            (*l_config)(struct workspace *, int);
 472         u_int32_t       flags;
 473 #define SWM_L_FOCUSPREV         (1<<0)
 474 #define SWM_L_MAPONFOCUS        (1<<1)
 475         void            (*l_string)(struct workspace *);
 476 } layouts[] =  {
 477         /* stack,               configure */
 478         { vertical_stack,       vertical_config,        0,      plain_stacker },
 479         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 480         { max_stack,            NULL,
 481           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 482         { NULL,                 NULL,                   0,      NULL  },
 483 };
 484
 485 /* position of max_stack mode in the layouts array, index into layouts! */
 486 #define SWM_V_STACK             (0)
 487 #define SWM_H_STACK             (1)
 488 #define SWM_MAX_STACK           (2)
 489
 490 #define SWM_H_SLICE             (32)
 491 #define SWM_V_SLICE             (32)
 492
 493 /* define work spaces */
 494 struct workspace {
 495         int                     idx;            /* workspace index */
 496         char                    *name;          /* workspace name */
 497         int                     always_raise;   /* raise windows on focus */
 498         int                     bar_enabled;    /* bar visibility */
 499         struct layout           *cur_layout;    /* current layout handlers */
 500         struct ws_win           *focus;         /* may be NULL */
 501         struct ws_win           *focus_prev;    /* may be NULL */
 502         struct ws_win           *focus_pending; /* may be NULL */
 503         struct swm_region       *r;             /* may be NULL */
 504         struct swm_region       *old_r;         /* may be NULL */
 505         struct ws_win_list      winlist;        /* list of windows in ws */
 506         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 507         char                    stacker[10];    /* display stacker and layout */
 508
 509         /* stacker state */
 510         struct {
 511                                 int horizontal_msize;
 512                                 int horizontal_mwin;
 513                                 int horizontal_stacks;
 514                                 int horizontal_flip;
 515                                 int vertical_msize;
 516                                 int vertical_mwin;
 517                                 int vertical_stacks;
 518                                 int vertical_flip;
 519         } l_state;
 520 };
 521
 522 enum {
 523         SWM_S_COLOR_BAR,
 524         SWM_S_COLOR_BAR_BORDER,
 525         SWM_S_COLOR_BAR_BORDER_UNFOCUS,
 526         SWM_S_COLOR_BAR_FONT,
 527         SWM_S_COLOR_FOCUS,
 528         SWM_S_COLOR_UNFOCUS,
 529         SWM_S_COLOR_MAX
 530 };
 531
 532 /* physical screen mapping */
 533 #define SWM_WS_MAX              (22)    /* hard limit */
 534 int             workspace_limit = 10;   /* soft limit */
 535
 536 struct swm_screen {
 537         int                     idx;    /* screen index */
 538         struct swm_region_list  rl;     /* list of regions on this screen */
 539         struct swm_region_list  orl;    /* list of old regions */
 540         xcb_window_t            root;
 541         struct workspace        ws[SWM_WS_MAX];
 542         struct swm_region       *r_focus;
 543
 544         /* colors */
 545         struct {
 546                 uint32_t        pixel;
 547                 char            *name;
 548         } c[SWM_S_COLOR_MAX];
 549
 550         xcb_gcontext_t          bar_gc;
 551         GC                      bar_gc_legacy;
 552 };
 553 struct swm_screen       *screens;
 554
 555 /* args to functions */
 556 union arg {
 557         int                     id;
 558 #define SWM_ARG_ID_FOCUSNEXT    (0)
 559 #define SWM_ARG_ID_FOCUSPREV    (1)
 560 #define SWM_ARG_ID_FOCUSMAIN    (2)
 561 #define SWM_ARG_ID_SWAPNEXT     (10)
 562 #define SWM_ARG_ID_SWAPPREV     (11)
 563 #define SWM_ARG_ID_SWAPMAIN     (12)
 564 #define SWM_ARG_ID_MOVELAST     (13)
 565 #define SWM_ARG_ID_MASTERSHRINK (20)
 566 #define SWM_ARG_ID_MASTERGROW   (21)
 567 #define SWM_ARG_ID_MASTERADD    (22)
 568 #define SWM_ARG_ID_MASTERDEL    (23)
 569 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 570 #define SWM_ARG_ID_STACKRESET   (30)
 571 #define SWM_ARG_ID_STACKINIT    (31)
 572 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 573 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 574 #define SWM_ARG_ID_CYCLERG_UP   (42)
 575 #define SWM_ARG_ID_CYCLERG_DOWN (43)
 576 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 577 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 578 #define SWM_ARG_ID_STACKINC     (50)
 579 #define SWM_ARG_ID_STACKDEC     (51)
 580 #define SWM_ARG_ID_SS_ALL       (60)
 581 #define SWM_ARG_ID_SS_WINDOW    (61)
 582 #define SWM_ARG_ID_DONTCENTER   (70)
 583 #define SWM_ARG_ID_CENTER       (71)
 584 #define SWM_ARG_ID_KILLWINDOW   (80)
 585 #define SWM_ARG_ID_DELETEWINDOW (81)
 586 #define SWM_ARG_ID_WIDTHGROW    (90)
 587 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 588 #define SWM_ARG_ID_HEIGHTGROW   (92)
 589 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 590 #define SWM_ARG_ID_MOVEUP       (100)
 591 #define SWM_ARG_ID_MOVEDOWN     (101)
 592 #define SWM_ARG_ID_MOVELEFT     (102)
 593 #define SWM_ARG_ID_MOVERIGHT    (103)
 594 #define SWM_ARG_ID_BAR_TOGGLE   (110)
 595 #define SWM_ARG_ID_BAR_TOGGLE_WS        (111)
 596         char                    **argv;
 597 };
 598
 599 /* quirks */
 600 struct quirk {
 601         TAILQ_ENTRY(quirk)      entry;
 602         char                    *class;
 603         char                    *name;
 604         unsigned long           quirk;
 605 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 606 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 607 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 608 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 609 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 610 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 611 };
 612 TAILQ_HEAD(quirk_list, quirk);
 613 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 614
 615 /*
 616  * Supported EWMH hints should be added to
 617  * both the enum and the ewmh array
 618  */
 619 enum {
 620         _NET_ACTIVE_WINDOW,
 621         _NET_CLOSE_WINDOW,
 622         _NET_MOVERESIZE_WINDOW,
 623         _NET_WM_ACTION_ABOVE,
 624         _NET_WM_ACTION_CLOSE,
 625         _NET_WM_ACTION_FULLSCREEN,
 626         _NET_WM_ACTION_MOVE,
 627         _NET_WM_ACTION_RESIZE,
 628         _NET_WM_ALLOWED_ACTIONS,
 629         _NET_WM_NAME,
 630         _NET_WM_STATE,
 631         _NET_WM_STATE_ABOVE,
 632         _NET_WM_STATE_FULLSCREEN,
 633         _NET_WM_STATE_HIDDEN,
 634         _NET_WM_STATE_MAXIMIZED_HORZ,
 635         _NET_WM_STATE_MAXIMIZED_VERT,
 636         _NET_WM_STATE_SKIP_PAGER,
 637         _NET_WM_STATE_SKIP_TASKBAR,
 638         _NET_WM_WINDOW_TYPE,
 639         _NET_WM_WINDOW_TYPE_DIALOG,
 640         _NET_WM_WINDOW_TYPE_DOCK,
 641         _NET_WM_WINDOW_TYPE_NORMAL,
 642         _NET_WM_WINDOW_TYPE_SPLASH,
 643         _NET_WM_WINDOW_TYPE_TOOLBAR,
 644         _NET_WM_WINDOW_TYPE_UTILITY,
 645         _SWM_WM_STATE_MANUAL,
 646         SWM_EWMH_HINT_MAX
 647 };
 648
 649 struct ewmh_hint {
 650         char            *name;
 651         xcb_atom_t      atom;
 652 } ewmh[SWM_EWMH_HINT_MAX] =     {
 653     /* must be in same order as in the enum */
 654     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 655     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 656     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 657     {"_NET_WM_ACTION_ABOVE", XCB_ATOM_NONE},
 658     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 659     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 660     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 661     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 662     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 663     {"_NET_WM_NAME", XCB_ATOM_NONE},
 664     {"_NET_WM_STATE", XCB_ATOM_NONE},
 665     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 666     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 667     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 668     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 669     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 670     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 671     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 672     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 673     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 674     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 675     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 676     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 677     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 678     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 679     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 680 };
 681
 682 /* Cursors */
 683 enum {
 684         XC_FLEUR,
 685         XC_LEFT_PTR,
 686         XC_BOTTOM_LEFT_CORNER,
 687         XC_BOTTOM_RIGHT_CORNER,
 688         XC_SIZING,
 689         XC_TOP_LEFT_CORNER,
 690         XC_TOP_RIGHT_CORNER,
 691         XC_MAX
 692 };
 693
 694 struct cursors {
 695         char            *name; /* Name used by Xcursor .*/
 696         uint8_t         cf_char; /* cursorfont index. */
 697         xcb_cursor_t    cid;
 698 } cursors[XC_MAX] =     {
 699         {"fleur", XC_fleur, XCB_CURSOR_NONE},
 700         {"left_ptr", XC_left_ptr, XCB_CURSOR_NONE},
 701         {"bottom_left_corner", XC_bottom_left_corner, XCB_CURSOR_NONE},
 702         {"bottom_right_corner", XC_bottom_right_corner, XCB_CURSOR_NONE},
 703         {"sizing", XC_sizing, XCB_CURSOR_NONE},
 704         {"top_left_corner", XC_top_left_corner, XCB_CURSOR_NONE},
 705         {"top_right_corner", XC_top_right_corner, XCB_CURSOR_NONE},
 706 };
 707
 708 /* spawn */
 709 struct spawn_prog {
 710         TAILQ_ENTRY(spawn_prog) entry;
 711         char                    *name;
 712         int                     argc;
 713         char                    **argv;
 714 };
 715 TAILQ_HEAD(spawn_list, spawn_prog);
 716 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
 717
 718 /* user/key callable function IDs */
 719 enum keyfuncid {
 720         KF_BAR_TOGGLE,
 721         KF_BAR_TOGGLE_WS,
 722         KF_BUTTON2,
 723         KF_CYCLE_LAYOUT,
 724         KF_FLIP_LAYOUT,
 725         KF_FLOAT_TOGGLE,
 726         KF_FOCUS_MAIN,
 727         KF_FOCUS_NEXT,
 728         KF_FOCUS_PREV,
 729         KF_HEIGHT_GROW,
 730         KF_HEIGHT_SHRINK,
 731         KF_ICONIFY,
 732         KF_MASTER_SHRINK,
 733         KF_MASTER_GROW,
 734         KF_MASTER_ADD,
 735         KF_MASTER_DEL,
 736         KF_MOVE_DOWN,
 737         KF_MOVE_LEFT,
 738         KF_MOVE_RIGHT,
 739         KF_MOVE_UP,
 740         KF_MVRG_1,
 741         KF_MVRG_2,
 742         KF_MVRG_3,
 743         KF_MVRG_4,
 744         KF_MVRG_5,
 745         KF_MVRG_6,
 746         KF_MVRG_7,
 747         KF_MVRG_8,
 748         KF_MVRG_9,
 749         KF_MVWS_1,
 750         KF_MVWS_2,
 751         KF_MVWS_3,
 752         KF_MVWS_4,
 753         KF_MVWS_5,
 754         KF_MVWS_6,
 755         KF_MVWS_7,
 756         KF_MVWS_8,
 757         KF_MVWS_9,
 758         KF_MVWS_10,
 759         KF_MVWS_11,
 760         KF_MVWS_12,
 761         KF_MVWS_13,
 762         KF_MVWS_14,
 763         KF_MVWS_15,
 764         KF_MVWS_16,
 765         KF_MVWS_17,
 766         KF_MVWS_18,
 767         KF_MVWS_19,
 768         KF_MVWS_20,
 769         KF_MVWS_21,
 770         KF_MVWS_22,
 771         KF_NAME_WORKSPACE,
 772         KF_QUIT,
 773         KF_RAISE_TOGGLE,
 774         KF_RESTART,
 775         KF_RG_1,
 776         KF_RG_2,
 777         KF_RG_3,
 778         KF_RG_4,
 779         KF_RG_5,
 780         KF_RG_6,
 781         KF_RG_7,
 782         KF_RG_8,
 783         KF_RG_9,
 784         KF_RG_NEXT,
 785         KF_RG_PREV,
 786         KF_SCREEN_NEXT,
 787         KF_SCREEN_PREV,
 788         KF_SEARCH_WIN,
 789         KF_SEARCH_WORKSPACE,
 790         KF_SPAWN_CUSTOM,
 791         KF_STACK_INC,
 792         KF_STACK_DEC,
 793         KF_STACK_RESET,
 794         KF_SWAP_MAIN,
 795         KF_SWAP_NEXT,
 796         KF_SWAP_PREV,
 797         KF_UNICONIFY,
 798         KF_VERSION,
 799         KF_WIDTH_GROW,
 800         KF_WIDTH_SHRINK,
 801         KF_WIND_DEL,
 802         KF_WIND_KILL,
 803         KF_WS_1,
 804         KF_WS_2,
 805         KF_WS_3,
 806         KF_WS_4,
 807         KF_WS_5,
 808         KF_WS_6,
 809         KF_WS_7,
 810         KF_WS_8,
 811         KF_WS_9,
 812         KF_WS_10,
 813         KF_WS_11,
 814         KF_WS_12,
 815         KF_WS_13,
 816         KF_WS_14,
 817         KF_WS_15,
 818         KF_WS_16,
 819         KF_WS_17,
 820         KF_WS_18,
 821         KF_WS_19,
 822         KF_WS_20,
 823         KF_WS_21,
 824         KF_WS_22,
 825         KF_WS_NEXT,
 826         KF_WS_NEXT_ALL,
 827         KF_WS_PREV,
 828         KF_WS_PREV_ALL,
 829         KF_WS_PRIOR,
 830         KF_DUMPWINS, /* MUST BE LAST */
 831         KF_INVALID
 832 };
 833
 834 struct key {
 835         RB_ENTRY(key)           entry;
 836         unsigned int            mod;
 837         KeySym                  keysym;
 838         enum keyfuncid          funcid;
 839         char                    *spawn_name;
 840 };
 841 RB_HEAD(key_tree, key);
 842
 843 /* function prototypes */
 844 void     adjust_font(struct ws_win *);
 845 void     bar_class_name(char *, size_t, struct swm_region *);
 846 void     bar_class_title_name(char *, size_t, struct swm_region *);
 847 void     bar_cleanup(struct swm_region *);
 848 void     bar_extra_setup(void);
 849 void     bar_extra_stop(void);
 850 int      bar_extra_update(void);
 851 void     bar_fmt(const char *, char *, struct swm_region *, size_t);
 852 void     bar_fmt_expand(char *, size_t);
 853 void     bar_draw(void);
 854 void     bar_print(struct swm_region *, const char *);
 855 void     bar_print_legacy(struct swm_region *, const char *);
 856 void     bar_replace(char *, char *, struct swm_region *, size_t);
 857 void     bar_replace_pad(char *, int *, size_t);
 858 char *   bar_replace_seq(char *, char *, struct swm_region *, size_t *,
 859              size_t);
 860 void     bar_setup(struct swm_region *);
 861 void     bar_title_name(char *, size_t, struct swm_region *);
 862 void     bar_toggle(struct swm_region *, union arg *);
 863 void     bar_urgent(char *, size_t);
 864 void     bar_window_float(char *, size_t, struct swm_region *);
 865 void     bar_window_name(char *, size_t, struct swm_region *);
 866 void     bar_workspace_name(char *, size_t, struct swm_region *);
 867 void     buttonpress(xcb_button_press_event_t *);
 868 void     check_conn(void);
 869 void     clear_keys(void);
 870 void     clientmessage(xcb_client_message_event_t *);
 871 void     client_msg(struct ws_win *, xcb_atom_t, xcb_timestamp_t);
 872 int      conf_load(const char *, int);
 873 void     configurenotify(xcb_configure_notify_event_t *);
 874 void     configurerequest(xcb_configure_request_event_t *);
 875 void     config_win(struct ws_win *, xcb_configure_request_event_t *);
 876 void     constrain_window(struct ws_win *, struct swm_region *, int);
 877 int      count_win(struct workspace *, int);
 878 void     cursors_cleanup(void);
 879 void     cursors_load(void);
 880 void     custom_region(char *);
 881 void     cyclerg(struct swm_region *, union arg *);
 882 void     cyclews(struct swm_region *, union arg *);
 883 void     cycle_layout(struct swm_region *, union arg *);
 884 void     destroynotify(xcb_destroy_notify_event_t *);
 885 void     dumpwins(struct swm_region *, union arg *);
 886 int      enable_wm(void);
 887 void     enternotify(xcb_enter_notify_event_t *);
 888 void     event_drain(uint8_t);
 889 void     event_error(xcb_generic_error_t *);
 890 void     event_handle(xcb_generic_event_t *);
 891 void     ewmh_autoquirk(struct ws_win *);
 892 void     ewmh_get_win_state(struct ws_win *);
 893 int      ewmh_set_win_fullscreen(struct ws_win *, int);
 894 void     ewmh_update_actions(struct ws_win *);
 895 void     ewmh_update_win_state(struct ws_win *, xcb_atom_t, long);
 896 char    *expand_tilde(const char *);
 897 void     expose(xcb_expose_event_t *);
 898 void     fake_keypress(struct ws_win *, xcb_keysym_t, uint16_t);
 899 struct pid_e    *find_pid(pid_t);
 900 struct ws_win   *find_unmanaged_window(xcb_window_t);
 901 struct ws_win   *find_window(xcb_window_t);
 902 void     floating_toggle(struct swm_region *, union arg *);
 903 int      floating_toggle_win(struct ws_win *);
 904 void     focus(struct swm_region *, union arg *);
 905 #ifdef SWM_DEBUG
 906 void     focusin(xcb_focus_in_event_t *);
 907 void     focusout(xcb_focus_out_event_t *);
 908 #endif
 909 void     focus_flush(void);
 910 void     focus_region(struct swm_region *);
 911 void     focusrg(struct swm_region *, union arg *);
 912 void     focus_win(struct ws_win *);
 913 void     fontset_init(void);
 914 void     free_window(struct ws_win *);
 915 xcb_atom_t get_atom_from_string(const char *);
 916 #ifdef SWM_DEBUG
 917 char    *get_atom_name(xcb_atom_t);
 918 #endif
 919 struct ws_win   *get_focus_magic(struct ws_win *);
 920 struct ws_win   *get_focus_prev(struct ws_win *);
 921 #ifdef SWM_DEBUG
 922 char    *get_notify_detail_label(uint8_t);
 923 char    *get_notify_mode_label(uint8_t);
 924 #endif
 925 struct ws_win   *get_pointer_win(xcb_window_t);
 926 struct ws_win   *get_region_focus(struct swm_region *);
 927 xcb_screen_t    *get_screen(int);
 928 #ifdef SWM_DEBUG
 929 char    *get_stack_mode_name(uint8_t);
 930 #endif
 931 int32_t  get_swm_iconic(struct ws_win *);
 932 char    *get_win_name(xcb_window_t);
 933 int      get_ws_idx(xcb_window_t);
 934 uint32_t getstate(xcb_window_t);
 935 void     grabbuttons(struct ws_win *);
 936 void     grabkeys(void);
 937 void     grab_windows(void);
 938 void     iconify(struct swm_region *, union arg *);
 939 int      isxlfd(char *);
 940 void     keypress(xcb_key_press_event_t *);
 941 int      key_cmp(struct key *, struct key *);
 942 void     key_insert(unsigned int, KeySym, enum keyfuncid, const char *);
 943 struct key      *key_lookup(unsigned int, KeySym);
 944 void     key_remove(struct key *);
 945 void     key_replace(struct key *, unsigned int, KeySym, enum keyfuncid,
 946              const char *);
 947 void     kill_bar_extra_atexit(void);
 948 void     kill_refs(struct ws_win *);
 949 #ifdef SWM_DEBUG
 950 void     leavenotify(xcb_leave_notify_event_t *);
 951 #endif
 952 void     load_float_geom(struct ws_win *, struct swm_region *);
 953 struct ws_win   *manage_window(xcb_window_t, uint16_t);
 954 void     map_window(struct ws_win *);
 955 void     mapnotify(xcb_map_notify_event_t *);
 956 void     mappingnotify(xcb_mapping_notify_event_t *);
 957 void     maprequest(xcb_map_request_event_t *);
 958 void     motionnotify(xcb_motion_notify_event_t *);
 959 void     move(struct ws_win *, union arg *);
 960 void     move_step(struct swm_region *, union arg *);
 961 uint32_t name_to_pixel(const char *);
 962 void     name_workspace(struct swm_region *, union arg *);
 963 void     new_region(struct swm_screen *, int, int, int, int);
 964 int      parsekeys(char *, unsigned int, unsigned int *, KeySym *);
 965 int      parsequirks(char *, unsigned long *);
 966 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 967 void     pressbutton(struct swm_region *, union arg *);
 968 void     priorws(struct swm_region *, union arg *);
 969 #ifdef SWM_DEBUG
 970 void     print_win_geom(xcb_window_t);
 971 #endif
 972 void     propertynotify(xcb_property_notify_event_t *);
 973 void     quirk_insert(const char *, const char *, unsigned long);
 974 void     quirk_remove(struct quirk *);
 975 void     quirk_replace(struct quirk *, const char *, const char *,
 976              unsigned long);
 977 void     quit(struct swm_region *, union arg *);
 978 void     raise_toggle(struct swm_region *, union arg *);
 979 void     resize(struct ws_win *, union arg *);
 980 void     resize_step(struct swm_region *, union arg *);
 981 void     restart(struct swm_region *, union arg *);
 982 struct swm_region       *root_to_region(xcb_window_t, int);
 983 void     screenchange(xcb_randr_screen_change_notify_event_t *);
 984 void     scan_xrandr(int);
 985 void     search_do_resp(void);
 986 void     search_resp_name_workspace(const char *, unsigned long);
 987 void     search_resp_search_window(const char *);
 988 void     search_resp_search_workspace(const char *);
 989 void     search_resp_uniconify(const char *, unsigned long);
 990 void     search_win(struct swm_region *, union arg *);
 991 void     search_win_cleanup(void);
 992 void     search_workspace(struct swm_region *, union arg *);
 993 void     send_to_rg(struct swm_region *, union arg *);
 994 void     send_to_ws(struct swm_region *, union arg *);
 995 void     set_region(struct swm_region *);
 996 int      setautorun(char *, char *, int);
 997 int      setconfbinding(char *, char *, int);
 998 int      setconfcolor(char *, char *, int);
 999 int      setconfmodkey(char *, char *, int);
1000 int      setconfquirk(char *, char *, int);
1001 int      setconfregion(char *, char *, int);
1002 int      setconfspawn(char *, char *, int);
1003 int      setconfvalue(char *, char *, int);
1004 void     setkeybinding(unsigned int, KeySym, enum keyfuncid, const char *);
1005 int      setkeymapping(char *, char *, int);
1006 int      setlayout(char *, char *, int);
1007 void     setquirk(const char *, const char *, unsigned long);
1008 void     setscreencolor(char *, int, int);
1009 void     setspawn(const char *, const char *);
1010 void     setup_ewmh(void);
1011 void     setup_globals(void);
1012 void     setup_keys(void);
1013 void     setup_quirks(void);
1014 void     setup_screens(void);
1015 void     setup_spawn(void);
1016 void     set_child_transient(struct ws_win *, xcb_window_t *);
1017 void     set_swm_iconic(struct ws_win *, int);
1018 void     set_win_state(struct ws_win *, uint16_t);
1019 void     shutdown_cleanup(void);
1020 void     sighdlr(int);
1021 void     socket_setnonblock(int);
1022 void     sort_windows(struct ws_win_list *);
1023 void     spawn(int, union arg *, int);
1024 void     spawn_custom(struct swm_region *, union arg *, const char *);
1025 int      spawn_expand(struct swm_region *, union arg *, const char *, char ***);
1026 void     spawn_insert(const char *, const char *);
1027 void     spawn_remove(struct spawn_prog *);
1028 void     spawn_replace(struct spawn_prog *, const char *, const char *);
1029 void     spawn_select(struct swm_region *, union arg *, const char *, int *);
1030 void     stack_config(struct swm_region *, union arg *);
1031 void     stack_floater(struct ws_win *, struct swm_region *);
1032 void     stack_master(struct workspace *, struct swm_geometry *, int, int);
1033 void     store_float_geom(struct ws_win *, struct swm_region *);
1034 char *   strdupsafe(const char *);
1035 void     swapwin(struct swm_region *, union arg *);
1036 void     switchws(struct swm_region *, union arg *);
1037 void     teardown_ewmh(void);
1038 void     unfocus_win(struct ws_win *);
1039 void     uniconify(struct swm_region *, union arg *);
1040 void     unmanage_window(struct ws_win *);
1041 void     unmapnotify(xcb_unmap_notify_event_t *);
1042 void     unmap_all(void);
1043 void     unmap_window(struct ws_win *);
1044 void     updatenumlockmask(void);
1045 void     update_modkey(unsigned int);
1046 void     update_window(struct ws_win *);
1047 int      validate_win(struct ws_win *);
1048 int      validate_ws(struct workspace *);
1049 /*void   visibilitynotify(xcb_visibility_notify_event_t *);*/
1050 void     version(struct swm_region *, union arg *);
1051 pid_t    window_get_pid(xcb_window_t);
1052 void     wkill(struct swm_region *, union arg *);
1053 void     workaround(void);
1054 void     xft_init(struct swm_region *);
1055
1056 RB_PROTOTYPE(key_tree, key, entry, key_cmp);
1057 RB_GENERATE(key_tree, key, entry, key_cmp);
1058 struct key_tree                 keys;
1059
1060 void
1061 cursors_load(void)
1062 {
1063         xcb_font_t      cf = XCB_NONE;
1064         int             i;
1065
1066         for (i = 0; i < LENGTH(cursors); ++i) {
1067                 /* try to load Xcursor first. */
1068                 cursors[i].cid = XcursorLibraryLoadCursor(display,
1069                     cursors[i].name);
1070
1071                 /* fallback to cursorfont. */
1072                 if (cursors[i].cid == XCB_CURSOR_NONE) {
1073                         if (cf == XCB_NONE) {
1074                                 cf = xcb_generate_id(conn);
1075                                 xcb_open_font(conn, cf, strlen("cursor"),
1076                                     "cursor");
1077                         }
1078
1079                         cursors[i].cid = xcb_generate_id(conn);
1080                         xcb_create_glyph_cursor(conn, cursors[i].cid, cf, cf,
1081                             cursors[i].cf_char, cursors[i].cf_char + 1, 0, 0, 0,
1082                             0xffff, 0xffff, 0xffff);
1083
1084                 }
1085         }
1086
1087         if (cf != XCB_NONE)
1088                 xcb_close_font(conn, cf);
1089 }
1090
1091 void
1092 cursors_cleanup(void)
1093 {
1094         int     i;
1095         for (i = 0; i < LENGTH(cursors); ++i)
1096                 xcb_free_cursor(conn, cursors[i].cid);
1097 }
1098
1099 char *
1100 expand_tilde(const char *s)
1101 {
1102         struct passwd           *ppwd;
1103         int                     i;
1104         long                    max;
1105         char                    *user;
1106         const char              *sc = s;
1107         char                    *result;
1108
1109         if (s == NULL)
1110                 errx(1, "expand_tilde: NULL string.");
1111
1112         if (s[0] != '~') {
1113                 result = strdup(sc);
1114                 goto out;
1115         }
1116
1117         ++s;
1118
1119         if ((max = sysconf(_SC_LOGIN_NAME_MAX)) == -1)
1120                 errx(1, "expand_tilde: sysconf");
1121
1122         if ((user = calloc(1, max + 1)) == NULL)
1123                 errx(1, "expand_tilde: calloc");
1124
1125         for (i = 0; s[i] != '/' && s[i] != '\0'; ++i)
1126                 user[i] = s[i];
1127         user[i] = '\0';
1128         s = &s[i];
1129
1130         ppwd = strlen(user) == 0 ? getpwuid(getuid()) : getpwnam(user);
1131         free(user);
1132
1133         if (ppwd == NULL)
1134                 result = strdup(sc);
1135         else
1136                 if (asprintf(&result, "%s%s", ppwd->pw_dir, s) == -1)
1137                         result = NULL;
1138 out:
1139         if (result == NULL)
1140                 errx(1, "expand_tilde: failed to allocate memory.");
1141
1142         return result;
1143 }
1144
1145 int
1146 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
1147 {
1148         unsigned int    tmpr, tmpg, tmpb;
1149
1150         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
1151                 return (-1);
1152
1153         *rr = RGB_8_TO_16(tmpr);
1154         *gg = RGB_8_TO_16(tmpg);
1155         *bb = RGB_8_TO_16(tmpb);
1156
1157         return (0);
1158 }
1159
1160 xcb_screen_t *
1161 get_screen(int screen)
1162 {
1163         const xcb_setup_t       *r;
1164         xcb_screen_iterator_t   iter;
1165
1166         if ((r = xcb_get_setup(conn)) == NULL) {
1167                 DNPRINTF(SWM_D_MISC, "get_screen: xcb_get_setup\n");
1168                 check_conn();
1169         }
1170
1171         iter = xcb_setup_roots_iterator(r);
1172         for (; iter.rem; --screen, xcb_screen_next(&iter))
1173                 if (screen == 0)
1174                         return (iter.data);
1175
1176         return (NULL);
1177 }
1178
1179 void
1180 focus_flush(void)
1181 {
1182         if (focus_mode == SWM_FOCUS_DEFAULT)
1183                 event_drain(XCB_ENTER_NOTIFY);
1184         else
1185                 xcb_flush(conn);
1186 }
1187
1188 xcb_atom_t
1189 get_atom_from_string(const char *str)
1190 {
1191         xcb_intern_atom_cookie_t        c;
1192         xcb_intern_atom_reply_t         *r;
1193         xcb_atom_t                      atom;
1194
1195         c = xcb_intern_atom(conn, 0, strlen(str), str);
1196         r = xcb_intern_atom_reply(conn, c, NULL);
1197         if (r) {
1198                 atom = r->atom;
1199                 free(r);
1200
1201                 return (atom);
1202         }
1203
1204         return (XCB_ATOM_NONE);
1205 }
1206
1207 void
1208 set_swm_iconic(struct ws_win *win, int newv)
1209 {
1210         int32_t                         v = newv;
1211
1212         win->iconic = newv;
1213
1214         if (newv)
1215                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1216                     a_swm_iconic, XCB_ATOM_INTEGER, 32, 1, &v);
1217         else
1218                 xcb_delete_property(conn, win->id, a_swm_iconic);
1219 }
1220
1221 int32_t
1222 get_swm_iconic(struct ws_win *win)
1223 {
1224         int32_t                         v = 0;
1225         xcb_get_property_reply_t        *pr = NULL;
1226
1227         pr = xcb_get_property_reply(conn,
1228             xcb_get_property(conn, 0, win->id, a_swm_iconic,
1229             XCB_ATOM_INTEGER, 0, 1), NULL);
1230         if (!pr)
1231                 goto out;
1232         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
1233                 goto out;
1234         v = *((int32_t *)xcb_get_property_value(pr));
1235 out:
1236         if (pr)
1237                 free(pr);
1238         return (v);
1239 }
1240
1241 void
1242 setup_ewmh(void)
1243 {
1244         xcb_atom_t                      sup_list;
1245         int                             i, j, num_screens;
1246
1247         sup_list = get_atom_from_string("_NET_SUPPORTED");
1248
1249         for (i = 0; i < LENGTH(ewmh); i++)
1250                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
1251
1252         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1253         for (i = 0; i < num_screens; i++) {
1254                 /* Support check window will be created by workaround(). */
1255
1256                 /* Report supported atoms */
1257                 xcb_delete_property(conn, screens[i].root, sup_list);
1258                 for (j = 0; j < LENGTH(ewmh); j++)
1259                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
1260                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
1261                             &ewmh[j].atom);
1262         }
1263 }
1264
1265 void
1266 teardown_ewmh(void)
1267 {
1268         int                             i, num_screens;
1269         xcb_atom_t                      sup_check, sup_list;
1270         xcb_window_t                    id;
1271         xcb_get_property_cookie_t       pc;
1272         xcb_get_property_reply_t        *pr;
1273
1274         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
1275         sup_list = get_atom_from_string("_NET_SUPPORTED");
1276         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1277
1278         for (i = 0; i < num_screens; i++) {
1279                 /* Get the support check window and destroy it */
1280                 pc = xcb_get_property(conn, 0, screens[i].root, sup_check,
1281                     XCB_ATOM_WINDOW, 0, 1);
1282                 pr = xcb_get_property_reply(conn, pc, NULL);
1283                 if (!pr)
1284                         continue;
1285                 if (pr->format == sup_check) {
1286                         id = *((xcb_window_t *)xcb_get_property_value(pr));
1287
1288                         xcb_destroy_window(conn, id);
1289                         xcb_delete_property(conn, screens[i].root, sup_check);
1290                         xcb_delete_property(conn, screens[i].root, sup_list);
1291                 }
1292                 free(pr);
1293         }
1294 }
1295
1296 void
1297 ewmh_autoquirk(struct ws_win *win)
1298 {
1299         uint32_t                i, n;
1300         xcb_atom_t              *type;
1301         xcb_get_property_cookie_t       c;
1302         xcb_get_property_reply_t        *r;
1303
1304         c = xcb_get_property(conn, 0, win->id,
1305             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
1306         r = xcb_get_property_reply(conn, c, NULL);
1307         if (!r)
1308                 return;
1309
1310         n = xcb_get_property_value_length(r);
1311         type = xcb_get_property_value(r);
1312
1313         for (i = 0; i < n; i++) {
1314                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
1315                         break;
1316                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
1317                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
1318                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
1319                         win->floating = 1;
1320                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
1321                         break;
1322                 }
1323                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
1324                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
1325                         win->floating = 1;
1326                         win->quirks = SWM_Q_FLOAT;
1327                         break;
1328                 }
1329         }
1330         free(r);
1331 }
1332
1333 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
1334 #define EWMH_F_FULLSCREEN               (1<<0)
1335 #define EWMH_F_ABOVE                    (1<<1)
1336 #define EWMH_F_HIDDEN                   (1<<2)
1337 #define EWMH_F_SKIP_PAGER               (1<<3)
1338 #define EWMH_F_SKIP_TASKBAR             (1<<4)
1339 #define SWM_F_MANUAL                    (1<<5)
1340
1341 int
1342 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
1343 {
1344         if (!win->ws->r)
1345                 return (0);
1346
1347         if (!win->floating)
1348                 return (0);
1349
1350         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
1351             "fullscreen %s\n", win->id, YESNO(fs));
1352
1353         if (fs) {
1354                 if (!win->g_floatvalid)
1355                         store_float_geom(win, win->ws->r);
1356
1357                 win->g = win->ws->r->g;
1358                 win->bordered = 0;
1359         } else {
1360                 load_float_geom(win, win->ws->r);
1361         }
1362
1363         return (1);
1364 }
1365
1366 void
1367 ewmh_update_actions(struct ws_win *win)
1368 {
1369         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
1370         int                     n = 0;
1371
1372         if (win == NULL)
1373                 return;
1374
1375         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
1376
1377         if (win->floating) {
1378                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
1379                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
1380                 actions[n++] = ewmh[_NET_WM_ACTION_ABOVE].atom;
1381         }
1382
1383         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1384             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
1385 }
1386
1387 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
1388 #define _NET_WM_STATE_ADD       1    /* add/set property */
1389 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
1390
1391 void
1392 ewmh_update_win_state(struct ws_win *win, xcb_atom_t state, long action)
1393 {
1394         unsigned int            mask = 0;
1395         unsigned int            changed = 0;
1396         unsigned int            orig_flags;
1397
1398         if (win == NULL)
1399                 return;
1400
1401         DNPRINTF(SWM_D_PROP, "ewmh_update_win_state: window: 0x%x, state: %ld, "
1402             "action: %ld\n", win->id, (unsigned long)state, action);
1403
1404         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1405                 mask = EWMH_F_FULLSCREEN;
1406         else if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
1407                 mask = EWMH_F_ABOVE;
1408         else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1409                 mask = SWM_F_MANUAL;
1410         else if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
1411                 mask = EWMH_F_SKIP_PAGER;
1412         else if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
1413                 mask = EWMH_F_SKIP_TASKBAR;
1414
1415         orig_flags = win->ewmh_flags;
1416
1417         switch (action) {
1418         case _NET_WM_STATE_REMOVE:
1419                 win->ewmh_flags &= ~mask;
1420                 break;
1421         case _NET_WM_STATE_ADD:
1422                 win->ewmh_flags |= mask;
1423                 break;
1424         case _NET_WM_STATE_TOGGLE:
1425                 win->ewmh_flags ^= mask;
1426                 break;
1427         }
1428
1429         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
1430
1431         if (state == ewmh[_NET_WM_STATE_ABOVE].atom) {
1432                 if (changed && !floating_toggle_win(win))
1433                                 win->ewmh_flags = orig_flags; /* revert */
1434         } else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom) {
1435                 if (changed)
1436                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
1437         } else if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom) {
1438                 if (changed && !ewmh_set_win_fullscreen(win,
1439                             win->ewmh_flags & EWMH_F_FULLSCREEN))
1440                                 win->ewmh_flags = orig_flags; /* revert */
1441         }
1442
1443         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
1444
1445         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
1446                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1447                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1448                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
1449         else if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1450                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1451                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1452                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1453         else if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1454                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1455                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1456                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1457         else if (win->ewmh_flags & EWMH_F_ABOVE)
1458                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1459                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1460                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1461         else if (win->ewmh_flags & SWM_F_MANUAL)
1462                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1463                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1464                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1465 }
1466
1467 void
1468 ewmh_get_win_state(struct ws_win *win)
1469 {
1470         xcb_atom_t                      *states;
1471         xcb_get_property_cookie_t       c;
1472         xcb_get_property_reply_t        *r;
1473         int                             i, n;
1474
1475         if (win == NULL)
1476                 return;
1477
1478         win->ewmh_flags = 0;
1479         if (win->floating)
1480                 win->ewmh_flags |= EWMH_F_ABOVE;
1481         if (win->manual)
1482                 win->ewmh_flags |= SWM_F_MANUAL;
1483
1484         c = xcb_get_property(conn, 0, win->id, ewmh[_NET_WM_STATE].atom,
1485             XCB_ATOM_ATOM, 0, UINT32_MAX);
1486         r = xcb_get_property_reply(conn, c, NULL);
1487         if (!r)
1488                 return;
1489
1490         states = xcb_get_property_value(r);
1491         n = xcb_get_property_value_length(r);
1492
1493         for (i = 0; i < n; i++)
1494                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1495
1496         free(r);
1497 }
1498
1499 /* events */
1500 #ifdef SWM_DEBUG
1501 void
1502 dumpwins(struct swm_region *r, union arg *args)
1503 {
1504         struct ws_win                           *win;
1505         uint32_t                                state;
1506         xcb_get_window_attributes_cookie_t      c;
1507         xcb_get_window_attributes_reply_t       *wa;
1508
1509         /* suppress unused warning since var is needed */
1510         (void)args;
1511
1512         if (r->ws == NULL) {
1513                 warnx("dumpwins: invalid workspace");
1514                 return;
1515         }
1516
1517         warnx("=== managed window list ws %02d ===", r->ws->idx);
1518         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1519                 state = getstate(win->id);
1520                 c = xcb_get_window_attributes(conn, win->id);
1521                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1522                 if (wa) {
1523                         warnx("window: 0x%x, map_state: %d, state: %u, "
1524                             "transient: 0x%x", win->id, wa->map_state,
1525                             state, win->transient);
1526                         free(wa);
1527                 } else
1528                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1529                             win->id);
1530         }
1531
1532         warnx("===== unmanaged window list =====");
1533         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1534                 state = getstate(win->id);
1535                 c = xcb_get_window_attributes(conn, win->id);
1536                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1537                 if (wa) {
1538                         warnx("window: 0x%x, map_state: %d, state: %u, "
1539                             "transient: 0x%x", win->id, wa->map_state,
1540                             state, win->transient);
1541                         free(wa);
1542                 } else
1543                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1544                             win->id);
1545         }
1546
1547         warnx("=================================");
1548 }
1549 #else
1550 void
1551 dumpwins(struct swm_region *r, union arg *s)
1552 {
1553         (void)r;
1554         (void)s;
1555 }
1556 #endif /* SWM_DEBUG */
1557
1558 void
1559 sighdlr(int sig)
1560 {
1561         int                     saved_errno, status;
1562         pid_t                   pid;
1563
1564         saved_errno = errno;
1565
1566         switch (sig) {
1567         case SIGCHLD:
1568                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1569                         if (pid == -1) {
1570                                 if (errno == EINTR)
1571                                         continue;
1572 #ifdef SWM_DEBUG
1573                                 if (errno != ECHILD)
1574                                         warn("sighdlr: waitpid");
1575 #endif /* SWM_DEBUG */
1576                                 break;
1577                         }
1578                         if (pid == searchpid)
1579                                 search_resp = 1;
1580
1581 #ifdef SWM_DEBUG
1582                         if (WIFEXITED(status)) {
1583                                 if (WEXITSTATUS(status) != 0)
1584                                         warnx("sighdlr: child exit status: %d",
1585                                             WEXITSTATUS(status));
1586                         } else
1587                                 warnx("sighdlr: child is terminated "
1588                                     "abnormally");
1589 #endif /* SWM_DEBUG */
1590                 }
1591                 break;
1592
1593         case SIGHUP:
1594                 restart_wm = 1;
1595                 break;
1596         case SIGINT:
1597         case SIGTERM:
1598         case SIGQUIT:
1599                 running = 0;
1600                 break;
1601         }
1602
1603         errno = saved_errno;
1604 }
1605
1606 struct pid_e *
1607 find_pid(pid_t pid)
1608 {
1609         struct pid_e            *p = NULL;
1610
1611         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1612
1613         if (pid == 0)
1614                 return (NULL);
1615
1616         TAILQ_FOREACH(p, &pidlist, entry) {
1617                 if (p->pid == pid)
1618                         return (p);
1619         }
1620
1621         return (NULL);
1622 }
1623
1624 uint32_t
1625 name_to_pixel(const char *colorname)
1626 {
1627         uint32_t                        result = 0;
1628         char                            cname[32] = "#";
1629         xcb_screen_t                    *screen;
1630         xcb_colormap_t                  cmap;
1631         xcb_alloc_color_reply_t         *cr;
1632         xcb_alloc_named_color_reply_t   *nr;
1633         uint16_t                        rr, gg, bb;
1634
1635         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1636         cmap = screen->default_colormap;
1637
1638         /* color is in format rgb://rr/gg/bb */
1639         if (strncmp(colorname, "rgb:", 4) == 0) {
1640                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1641                         warnx("could not parse rgb %s", colorname);
1642                 else {
1643                         cr = xcb_alloc_color_reply(conn,
1644                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1645                             NULL);
1646                         if (cr) {
1647                                 result = cr->pixel;
1648                                 free(cr);
1649                         } else
1650                                 warnx("color '%s' not found", colorname);
1651                 }
1652         } else {
1653                 nr = xcb_alloc_named_color_reply(conn,
1654                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1655                             colorname), NULL);
1656                 if (!nr) {
1657                         strlcat(cname, colorname + 2, sizeof cname - 1);
1658                         nr = xcb_alloc_named_color_reply(conn,
1659                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1660                             cname), NULL);
1661                 }
1662                 if (nr) {
1663                         result = nr->pixel;
1664                         free(nr);
1665                 } else
1666                         warnx("color '%s' not found", colorname);
1667         }
1668
1669         return (result);
1670 }
1671
1672 void
1673 setscreencolor(char *val, int i, int c)
1674 {
1675         int     num_screens;
1676
1677         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1678         if (i > 0 && i <= num_screens) {
1679                 screens[i - 1].c[c].pixel = name_to_pixel(val);
1680                 free(screens[i - 1].c[c].name);
1681                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1682                         err(1, "strdup");
1683         } else if (i == -1) {
1684                 for (i = 0; i < num_screens; i++) {
1685                         screens[i].c[c].pixel = name_to_pixel(val);
1686                         free(screens[i].c[c].name);
1687                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1688                                 err(1, "strdup");
1689                 }
1690         } else
1691                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1692                     i, num_screens);
1693 }
1694
1695 void
1696 fancy_stacker(struct workspace *ws)
1697 {
1698         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1699         if (ws->cur_layout->l_stack == vertical_stack)
1700                 snprintf(ws->stacker, sizeof ws->stacker,
1701                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1702                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1703         if (ws->cur_layout->l_stack == horizontal_stack)
1704                 snprintf(ws->stacker, sizeof ws->stacker,
1705                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1706                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1707 }
1708
1709 void
1710 plain_stacker(struct workspace *ws)
1711 {
1712         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1713         if (ws->cur_layout->l_stack == vertical_stack)
1714                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1715                     sizeof ws->stacker);
1716         if (ws->cur_layout->l_stack == horizontal_stack)
1717                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1718                     sizeof ws->stacker);
1719 }
1720
1721 void
1722 custom_region(char *val)
1723 {
1724         unsigned int                    x, y, w, h;
1725         int                             sidx, num_screens;
1726         xcb_screen_t                    *screen;
1727
1728         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1729         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1730                 errx(1, "invalid custom region, "
1731                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1732         if (sidx < 1 || sidx > num_screens)
1733                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1734                     sidx, num_screens);
1735         sidx--;
1736
1737         if ((screen = get_screen(sidx)) == NULL)
1738                 errx(1, "ERROR: can't get screen %d.", sidx);
1739
1740         if (w < 1 || h < 1)
1741                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1742
1743         if (x > screen->width_in_pixels ||
1744             y > screen->height_in_pixels ||
1745             w + x > screen->width_in_pixels ||
1746             h + y > screen->height_in_pixels) {
1747                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1748                     "boundaries (%ux%u)", w, h, x, y,
1749                     screen->width_in_pixels, screen->height_in_pixels);
1750                 return;
1751         }
1752
1753         new_region(&screens[sidx], x, y, w, h);
1754 }
1755
1756 void
1757 socket_setnonblock(int fd)
1758 {
1759         int                     flags;
1760
1761         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1762                 err(1, "fcntl F_GETFL");
1763         flags |= O_NONBLOCK;
1764         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1765                 err(1, "fcntl F_SETFL");
1766 }
1767
1768 void
1769 bar_print_legacy(struct swm_region *r, const char *s)
1770 {
1771         xcb_rectangle_t         rect;
1772         uint32_t                gcv[1];
1773         XGCValues               gcvd;
1774         int                     x = 0;
1775         size_t                  len;
1776         XRectangle              ibox, lbox;
1777         GC                      draw;
1778
1779         len = strlen(s);
1780         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1781
1782         switch (bar_justify) {
1783         case SWM_BAR_JUSTIFY_LEFT:
1784                 x = SWM_BAR_OFFSET;
1785                 break;
1786         case SWM_BAR_JUSTIFY_CENTER:
1787                 x = (WIDTH(r) - lbox.width) / 2;
1788                 break;
1789         case SWM_BAR_JUSTIFY_RIGHT:
1790                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1791                 break;
1792         }
1793
1794         if (x < SWM_BAR_OFFSET)
1795                 x = SWM_BAR_OFFSET;
1796
1797         rect.x = 0;
1798         rect.y = 0;
1799         rect.width = WIDTH(r->bar);
1800         rect.height = HEIGHT(r->bar);
1801
1802         /* clear back buffer */
1803         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1804         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1805         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1806
1807         /* draw back buffer */
1808         gcvd.graphics_exposures = 0;
1809         draw = XCreateGC(display, r->bar->buffer, GCGraphicsExposures, &gcvd);
1810         XSetForeground(display, draw, r->s->c[SWM_S_COLOR_BAR_FONT].pixel);
1811         DRAWSTRING(display, r->bar->buffer, bar_fs, draw,
1812             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1813             lbox.y, s, len);
1814         XFreeGC(display, draw);
1815
1816         /* blt */
1817         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1818             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1819 }
1820
1821 void
1822 bar_print(struct swm_region *r, const char *s)
1823 {
1824         size_t                          len;
1825         xcb_rectangle_t                 rect;
1826         uint32_t                        gcv[1];
1827         int32_t                         x = 0;
1828         XGlyphInfo                      info;
1829         XftDraw                         *draw;
1830
1831         len = strlen(s);
1832
1833         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
1834
1835         switch (bar_justify) {
1836         case SWM_BAR_JUSTIFY_LEFT:
1837                 x = SWM_BAR_OFFSET;
1838                 break;
1839         case SWM_BAR_JUSTIFY_CENTER:
1840                 x = (WIDTH(r) - info.width) / 2;
1841                 break;
1842         case SWM_BAR_JUSTIFY_RIGHT:
1843                 x = WIDTH(r) - info.width - SWM_BAR_OFFSET;
1844                 break;
1845         }
1846
1847         if (x < SWM_BAR_OFFSET)
1848                 x = SWM_BAR_OFFSET;
1849
1850         rect.x = 0;
1851         rect.y = 0;
1852         rect.width = WIDTH(r->bar);
1853         rect.height = HEIGHT(r->bar);
1854
1855         /* clear back buffer */
1856         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1857         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1858         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1859
1860         /* draw back buffer */
1861         draw = XftDrawCreate(display, r->bar->buffer,
1862             DefaultVisual(display, r->s->idx),
1863             DefaultColormap(display, r->s->idx));
1864
1865         XftDrawStringUtf8(draw, &bar_font_color, bar_font, x,
1866             (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
1867             (FcChar8 *)s, len);
1868
1869         XftDrawDestroy(draw);
1870
1871         /* blt */
1872         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1873             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1874 }
1875
1876 void
1877 bar_extra_stop(void)
1878 {
1879         if (bar_pipe[0]) {
1880                 close(bar_pipe[0]);
1881                 bzero(bar_pipe, sizeof bar_pipe);
1882         }
1883         if (bar_pid) {
1884                 kill(bar_pid, SIGTERM);
1885                 bar_pid = 0;
1886         }
1887         strlcpy(bar_ext, "", sizeof bar_ext);
1888         bar_extra = 0;
1889 }
1890
1891 void
1892 bar_class_name(char *s, size_t sz, struct swm_region *r)
1893 {
1894         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1895                 return;
1896         if (r->ws->focus->ch.class_name != NULL)
1897                 strlcat(s, r->ws->focus->ch.class_name, sz);
1898 }
1899
1900 void
1901 bar_title_name(char *s, size_t sz, struct swm_region *r)
1902 {
1903         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1904                 return;
1905         if (r->ws->focus->ch.instance_name != NULL)
1906                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1907 }
1908
1909 void
1910 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1911 {
1912         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1913                 return;
1914
1915         bar_class_name(s, sz, r);
1916         strlcat(s, ":", sz);
1917         bar_title_name(s, sz, r);
1918 }
1919
1920 void
1921 bar_window_float(char *s, size_t sz, struct swm_region *r)
1922 {
1923         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1924                 return;
1925         if (r->ws->focus->floating)
1926                 strlcat(s, "(f)", sz);
1927 }
1928
1929 void
1930 bar_window_name(char *s, size_t sz, struct swm_region *r)
1931 {
1932         char            *title;
1933
1934         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1935                 return;
1936         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1937                 return;
1938
1939         strlcat(s, title, sz);
1940         free(title);
1941 }
1942
1943 int             urgent[SWM_WS_MAX];
1944 void
1945 bar_urgent(char *s, size_t sz)
1946 {
1947         struct ws_win           *win;
1948         int                     i, j, num_screens;
1949         char                    b[8];
1950         xcb_get_property_cookie_t       c;
1951         xcb_icccm_wm_hints_t    hints;
1952
1953         for (i = 0; i < workspace_limit; i++)
1954                 urgent[i] = 0;
1955
1956         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1957         for (i = 0; i < num_screens; i++)
1958                 for (j = 0; j < workspace_limit; j++)
1959                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1960                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1961                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1962                                     &hints, NULL) == 0)
1963                                         continue;
1964                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1965                                         urgent[j] = 1;
1966                         }
1967
1968         for (i = 0; i < workspace_limit; i++) {
1969                 if (urgent[i])
1970                         snprintf(b, sizeof b, "%d ", i + 1);
1971                 else
1972                         snprintf(b, sizeof b, "- ");
1973                 strlcat(s, b, sz);
1974         }
1975 }
1976
1977 void
1978 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1979 {
1980         if (r == NULL || r->ws == NULL)
1981                 return;
1982         if (r->ws->name != NULL)
1983                 strlcat(s, r->ws->name, sz);
1984 }
1985
1986 /* build the default bar format according to the defined enabled options */
1987 void
1988 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1989 {
1990         /* if format provided, just copy the buffers */
1991         if (bar_format != NULL) {
1992                 strlcpy(fmtnew, fmtexp, sz);
1993                 return;
1994         }
1995
1996         /* reset the output buffer */
1997         *fmtnew = '\0';
1998
1999         strlcat(fmtnew, "+N:+I ", sz);
2000         if (stack_enabled)
2001                 strlcat(fmtnew, "+S", sz);
2002         strlcat(fmtnew, " ", sz);
2003
2004         /* only show the workspace name if there's actually one */
2005         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
2006                 strlcat(fmtnew, "<+D>", sz);
2007         strlcat(fmtnew, "+3<", sz);
2008
2009         if (clock_enabled) {
2010                 strlcat(fmtnew, fmtexp, sz);
2011                 strlcat(fmtnew, "+4<", sz);
2012         }
2013
2014         /* bar_urgent already adds the space before the last asterisk */
2015         if (urgent_enabled)
2016                 strlcat(fmtnew, "* +U*+4<", sz);
2017
2018         if (title_class_enabled) {
2019                 strlcat(fmtnew, "+C", sz);
2020                 if (!title_name_enabled)
2021                         strlcat(fmtnew, "+4<", sz);
2022         }
2023
2024         /* checks needed by the colon and floating strlcat(3) calls below */
2025         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
2026                 if (title_name_enabled) {
2027                         if (title_class_enabled)
2028                                 strlcat(fmtnew, ":", sz);
2029                         strlcat(fmtnew, "+T+4<", sz);
2030                 }
2031                 if (window_name_enabled) {
2032                         if (r->ws->focus->floating)
2033                                 strlcat(fmtnew, "+F ", sz);
2034                         strlcat(fmtnew, "+64W ", sz);
2035                 }
2036         }
2037
2038         /* finally add the action script output and the version */
2039         strlcat(fmtnew, "+4<+A+4<+V", sz);
2040 }
2041
2042 void
2043 bar_replace_pad(char *tmp, int *limit, size_t sz)
2044 {
2045         /* special case; no limit given, pad one space, instead */
2046         if (*limit == (int)sz - 1)
2047                 *limit = 1;
2048         snprintf(tmp, sz, "%*s", *limit, " ");
2049 }
2050
2051 /* replaces the bar format character sequences (like in tmux(1)) */
2052 char *
2053 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
2054     size_t sz)
2055 {
2056         char                    *ptr;
2057         char                    tmp[SWM_BAR_MAX];
2058         int                     limit, size;
2059         size_t                  len;
2060
2061         /* reset strlcat(3) buffer */
2062         *tmp = '\0';
2063
2064         /* get number, if any */
2065         fmt++;
2066         size = 0;
2067         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
2068                 limit = sizeof tmp - 1;
2069         if (limit <= 0 || limit >= (int)sizeof tmp)
2070                 limit = sizeof tmp - 1;
2071
2072         /* there is nothing to replace (ie EOL) */
2073         fmt += size;
2074         if (*fmt == '\0')
2075                 return (fmt);
2076
2077         switch (*fmt) {
2078         case '<':
2079                 bar_replace_pad(tmp, &limit, sizeof tmp);
2080                 break;
2081         case 'A':
2082                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
2083                 break;
2084         case 'C':
2085                 bar_class_name(tmp, sizeof tmp, r);
2086                 break;
2087         case 'D':
2088                 bar_workspace_name(tmp, sizeof tmp, r);
2089                 break;
2090         case 'F':
2091                 bar_window_float(tmp, sizeof tmp, r);
2092                 break;
2093         case 'I':
2094                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
2095                 break;
2096         case 'N':
2097                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
2098                 break;
2099         case 'P':
2100                 bar_class_title_name(tmp, sizeof tmp, r);
2101                 break;
2102         case 'S':
2103                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
2104                 break;
2105         case 'T':
2106                 bar_title_name(tmp, sizeof tmp, r);
2107                 break;
2108         case 'U':
2109                 bar_urgent(tmp, sizeof tmp);
2110                 break;
2111         case 'V':
2112                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
2113                 break;
2114         case 'W':
2115                 bar_window_name(tmp, sizeof tmp, r);
2116                 break;
2117         default:
2118                 /* unknown character sequence; copy as-is */
2119                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
2120                 break;
2121         }
2122
2123         len = strlen(tmp);
2124         ptr = tmp;
2125         if ((int)len < limit)
2126                 limit = len;
2127         while (limit-- > 0) {
2128                 if (*offrep >= sz - 1)
2129                         break;
2130                 fmtrep[(*offrep)++] = *ptr++;
2131         }
2132
2133         fmt++;
2134         return (fmt);
2135 }
2136
2137 void
2138 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
2139 {
2140         size_t                  off;
2141
2142         off = 0;
2143         while (*fmt != '\0') {
2144                 if (*fmt != '+') {
2145                         /* skip ordinary characters */
2146                         if (off >= sz - 1)
2147                                 break;
2148                         fmtrep[off++] = *fmt++;
2149                         continue;
2150                 }
2151
2152                 /* character sequence found; replace it */
2153                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
2154                 if (off >= sz - 1)
2155                         break;
2156         }
2157
2158         fmtrep[off] = '\0';
2159 }
2160
2161 void
2162 bar_fmt_expand(char *fmtexp, size_t sz)
2163 {
2164         char                    *fmt = NULL;
2165         size_t                  len;
2166         struct tm               tm;
2167         time_t                  tmt;
2168
2169         /* start by grabbing the current time and date */
2170         time(&tmt);
2171         localtime_r(&tmt, &tm);
2172
2173         /* figure out what to expand */
2174         if (bar_format != NULL)
2175                 fmt = bar_format;
2176         else if (bar_format == NULL && clock_enabled)
2177                 fmt = clock_format;
2178         /* if nothing to expand bail out */
2179         if (fmt == NULL) {
2180                 *fmtexp = '\0';
2181                 return;
2182         }
2183
2184         /* copy as-is, just in case the format shouldn't be expanded below */
2185         strlcpy(fmtexp, fmt, sz);
2186         /* finally pass the string through strftime(3) */
2187 #ifndef SWM_DENY_CLOCK_FORMAT
2188         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
2189                 warnx("format too long");
2190         fmtexp[len] = '\0';
2191 #endif
2192 }
2193
2194 /* Redraws the bar; need to follow with xcb_flush() or focus_flush(). */
2195 void
2196 bar_draw(void)
2197 {
2198         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
2199         char                    fmtrep[SWM_BAR_MAX];
2200         int                     i, num_screens;
2201         struct swm_region       *r;
2202
2203         /* expand the format by first passing it through strftime(3) */
2204         bar_fmt_expand(fmtexp, sizeof fmtexp);
2205
2206         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2207         for (i = 0; i < num_screens; i++) {
2208                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2209                         if (r->bar == NULL)
2210                                 continue;
2211
2212                         if (bar_enabled && r->ws->bar_enabled)
2213                                 xcb_map_window(conn, r->bar->id);
2214                         else {
2215                                 xcb_unmap_window(conn, r->bar->id);
2216                                 continue;
2217                         }
2218
2219                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
2220                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
2221                         if (bar_font_legacy)
2222                                 bar_print_legacy(r, fmtrep);
2223                         else
2224                                 bar_print(r, fmtrep);
2225                 }
2226         }
2227 }
2228
2229 /*
2230  * Reads external script output; call when stdin is readable.
2231  * Returns 1 if bar_ext was updated; otherwise 0.
2232  */
2233 int
2234 bar_extra_update(void)
2235 {
2236         size_t          len;
2237         char            b[SWM_BAR_MAX];
2238         int             changed = 0;
2239
2240         if (!bar_extra)
2241                 return changed;
2242
2243         while (fgets(b, sizeof(b), stdin) != NULL) {
2244                 if (bar_enabled) {
2245                         len = strlen(b);
2246                         if (b[len - 1] == '\n') {
2247                                 /* Remove newline. */
2248                                 b[--len] = '\0';
2249
2250                                 /* "Clear" bar_ext. */
2251                                 bar_ext[0] = '\0';
2252
2253                                 /* Flush buffered output. */
2254                                 strlcpy(bar_ext, bar_ext_buf, sizeof(bar_ext));
2255                                 bar_ext_buf[0] = '\0';
2256
2257                                 /* Append new output to bar. */
2258                                 strlcat(bar_ext, b, sizeof(bar_ext));
2259
2260                                 changed = 1;
2261                         } else {
2262                                 /* Buffer output. */
2263                                 strlcat(bar_ext_buf, b, sizeof(bar_ext_buf));
2264                         }
2265                 }
2266         }
2267
2268         if (errno != EAGAIN) {
2269                 warn("bar_action failed");
2270                 bar_extra_stop();
2271                 changed = 1;
2272         }
2273
2274         return changed;
2275 }
2276
2277 void
2278 bar_toggle(struct swm_region *r, union arg *args)
2279 {
2280         struct swm_region       *tmpr;
2281         int                     i, num_screens;
2282
2283         /* suppress unused warnings since vars are needed */
2284         (void)r;
2285         (void)args;
2286
2287         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
2288
2289         switch (args->id) {
2290         case SWM_ARG_ID_BAR_TOGGLE_WS:
2291                 /* Only change if master switch is enabled. */
2292                 if (bar_enabled)
2293                         r->ws->bar_enabled = !r->ws->bar_enabled;
2294                 else
2295                         bar_enabled = r->ws->bar_enabled = 1;
2296                 break;
2297         case SWM_ARG_ID_BAR_TOGGLE:
2298                 bar_enabled = !bar_enabled;
2299                 break;
2300         }
2301
2302         /* update bars as necessary */
2303         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2304         for (i = 0; i < num_screens; i++)
2305                 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
2306                         if (tmpr->bar) {
2307                                 if (bar_enabled && tmpr->ws->bar_enabled)
2308                                         xcb_map_window(conn, tmpr->bar->id);
2309                                 else
2310                                         xcb_unmap_window(conn, tmpr->bar->id);
2311                         }
2312
2313         stack();
2314
2315         /* must be after stack */
2316         bar_draw();
2317
2318         focus_flush();
2319 }
2320
2321 void
2322 bar_extra_setup(void)
2323 {
2324         /* do this here because the conf file is in memory */
2325         if (!bar_extra && bar_argv[0]) {
2326                 /* launch external status app */
2327                 bar_extra = 1;
2328                 if (pipe(bar_pipe) == -1)
2329                         err(1, "pipe error");
2330                 socket_setnonblock(bar_pipe[0]);
2331                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
2332
2333                 /* Set stdin to read from the pipe. */
2334                 if (dup2(bar_pipe[0], STDIN_FILENO) == -1)
2335                         err(1, "dup2");
2336
2337                 /* Set stdout to write to the pipe. */
2338                 if (dup2(bar_pipe[1], STDOUT_FILENO) == -1)
2339                         err(1, "dup2");
2340
2341                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
2342                         err(1, "could not disable SIGPIPE");
2343                 switch (bar_pid = fork()) {
2344                 case -1:
2345                         err(1, "cannot fork");
2346                         break;
2347                 case 0: /* child */
2348                         close(bar_pipe[0]);
2349                         execvp(bar_argv[0], bar_argv);
2350                         err(1, "%s external app failed", bar_argv[0]);
2351                         break;
2352                 default: /* parent */
2353                         close(bar_pipe[1]);
2354                         break;
2355                 }
2356
2357                 atexit(kill_bar_extra_atexit);
2358         }
2359 }
2360
2361 void
2362 kill_bar_extra_atexit(void)
2363 {
2364         if (bar_pid)
2365                 kill(bar_pid, SIGTERM);
2366 }
2367
2368 int
2369 isxlfd(char *s)
2370 {
2371         int      count = 0;
2372
2373         while ((s = index(s, '-'))) {
2374                 ++count;
2375                 ++s;
2376         }
2377
2378         return (count == 14);
2379 }
2380
2381 void
2382 fontset_init(void)
2383 {
2384         char                    *default_string;
2385         char                    **missing_charsets;
2386         int                     num_missing_charsets = 0;
2387         int                     i;
2388
2389         if (bar_fs) {
2390                 XFreeFontSet(display, bar_fs);
2391                 bar_fs = NULL;
2392         }
2393
2394         DNPRINTF(SWM_D_INIT, "fontset_init: loading bar_fonts: %s\n", bar_fonts);
2395
2396         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
2397             &num_missing_charsets, &default_string);
2398
2399         if (num_missing_charsets > 0) {
2400                 warnx("Unable to load charset(s):");
2401
2402                 for (i = 0; i < num_missing_charsets; ++i)
2403                         warnx("%s", missing_charsets[i]);
2404
2405                 XFreeStringList(missing_charsets);
2406
2407                 if (strcmp(default_string, ""))
2408                         warnx("Glyphs from those sets will be replaced "
2409                             "by '%s'.", default_string);
2410                 else
2411                         warnx("Glyphs from those sets won't be drawn.");
2412         }
2413
2414         if (bar_fs == NULL)
2415                 errx(1, "Error creating font set structure.");
2416
2417         bar_fs_extents = XExtentsOfFontSet(bar_fs);
2418
2419         bar_height = bar_fs_extents->max_logical_extent.height +
2420             2 * bar_border_width;
2421
2422         if (bar_height < 1)
2423                 bar_height = 1;
2424 }
2425
2426 void
2427 xft_init(struct swm_region *r)
2428 {
2429         char                    *font, *d, *search;
2430         XRenderColor            color;
2431
2432         if (bar_font == NULL) {
2433                 if ((d = strdup(bar_fonts)) == NULL)
2434                         errx(1, "insufficient memory.");
2435                 search = d;
2436                 while ((font = strsep(&search, ",")) != NULL) {
2437                         if (*font == '\0')
2438                                 continue;
2439
2440                         DNPRINTF(SWM_D_INIT, "xft_init: try font %s\n", font);
2441
2442                         if (isxlfd(font)) {
2443                                 bar_font = XftFontOpenXlfd(display, r->s->idx,
2444                                                 font);
2445                         } else {
2446                                 bar_font = XftFontOpenName(display, r->s->idx,
2447                                                 font);
2448                         }
2449
2450                         if (!bar_font) {
2451                                 warnx("unable to load font %s", font);
2452                                 continue;
2453                         } else {
2454                                 DNPRINTF(SWM_D_INIT, "successfully opened "
2455                                     "font %s\n", font);
2456                                 break;
2457                         }
2458                 }
2459                 free(d);
2460         }
2461
2462         if (bar_font == NULL)
2463                 errx(1, "unable to open a font");
2464
2465         PIXEL_TO_XRENDERCOLOR(r->s->c[SWM_S_COLOR_BAR_FONT].pixel, color);
2466
2467         if (!XftColorAllocValue(display, DefaultVisual(display, r->s->idx),
2468             DefaultColormap(display, r->s->idx), &color, &bar_font_color))
2469                 warn("Xft error: unable to allocate color.");
2470
2471         bar_height = bar_font->height + 2 * bar_border_width;
2472
2473         if (bar_height < 1)
2474                 bar_height = 1;
2475 }
2476
2477 void
2478 bar_setup(struct swm_region *r)
2479 {
2480         xcb_screen_t    *screen;
2481         uint32_t         wa[3];
2482
2483         DNPRINTF(SWM_D_BAR, "bar_setup: screen %d.\n",
2484             r->s->idx);
2485
2486         if ((screen = get_screen(r->s->idx)) == NULL)
2487                 errx(1, "ERROR: can't get screen %d.", r->s->idx);
2488
2489         if (r->bar != NULL)
2490                 return;
2491
2492         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
2493                 err(1, "bar_setup: calloc: failed to allocate memory.");
2494
2495         if (bar_font_legacy)
2496                 fontset_init();
2497         else
2498                 xft_init(r);
2499
2500         X(r->bar) = X(r);
2501         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
2502         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
2503         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
2504
2505         /* Assume region is unfocused when we create the bar. */
2506         r->bar->id = xcb_generate_id(conn);
2507         wa[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
2508         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER_UNFOCUS].pixel;
2509         wa[2] = XCB_EVENT_MASK_EXPOSURE;
2510
2511         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
2512             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
2513             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
2514             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
2515             | XCB_CW_EVENT_MASK, wa);
2516
2517         r->bar->buffer = xcb_generate_id(conn);
2518         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
2519             WIDTH(r->bar), HEIGHT(r->bar));
2520
2521         if (xrandr_support)
2522                 xcb_randr_select_input(conn, r->bar->id,
2523                     XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
2524
2525         if (bar_enabled)
2526                 xcb_map_window(conn, r->bar->id);
2527
2528         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
2529             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
2530             HEIGHT(r->bar));
2531
2532         bar_extra_setup();
2533 }
2534
2535 void
2536 bar_cleanup(struct swm_region *r)
2537 {
2538         if (r->bar == NULL)
2539                 return;
2540         xcb_destroy_window(conn, r->bar->id);
2541         xcb_free_pixmap(conn, r->bar->buffer);
2542         free(r->bar);
2543         r->bar = NULL;
2544 }
2545
2546 void
2547 set_win_state(struct ws_win *win, uint16_t state)
2548 {
2549         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2550
2551         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x, state: %u\n",
2552             win->id, state);
2553
2554         if (win == NULL)
2555                 return;
2556
2557         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
2558             a_state, 32, 2, data);
2559 }
2560
2561 uint32_t
2562 getstate(xcb_window_t w)
2563 {
2564         uint32_t                        result = 0;
2565         xcb_get_property_cookie_t       c;
2566         xcb_get_property_reply_t        *r;
2567
2568         c = xcb_get_property(conn, 0, w, a_state, a_state, 0L, 2L);
2569         r = xcb_get_property_reply(conn, c, NULL);
2570
2571         if (r) {
2572                 if (r->type == a_state && r->format == 32 && r->length == 2)
2573                         result = *((uint32_t *)xcb_get_property_value(r));
2574                 free(r);
2575         }
2576
2577         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
2578             result);
2579         return (result);
2580 }
2581
2582 void
2583 version(struct swm_region *r, union arg *args)
2584 {
2585         /* suppress unused warnings since vars are needed */
2586         (void)r;
2587         (void)args;
2588
2589         bar_version = !bar_version;
2590         if (bar_version)
2591                 snprintf(bar_vertext, sizeof bar_vertext,
2592                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2593         else
2594                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2595
2596         bar_draw();
2597         xcb_flush(conn);
2598 }
2599
2600 void
2601 client_msg(struct ws_win *win, xcb_atom_t a, xcb_timestamp_t t)
2602 {
2603         xcb_client_message_event_t      ev;
2604 #ifdef SWM_DEBUG
2605         char                            *name;
2606 #endif
2607
2608         if (win == NULL)
2609                 return;
2610 #ifdef SWM_DEBUG
2611         name = get_atom_name(a);
2612         DNPRINTF(SWM_D_EVENT, "client_msg: window: 0x%x, atom: %s(%u), "
2613             "time: %#x\n",
2614             win->id, name, a, t);
2615         free(name);
2616 #endif
2617
2618         bzero(&ev, sizeof ev);
2619         ev.response_type = XCB_CLIENT_MESSAGE;
2620         ev.window = win->id;
2621         ev.type = a_prot;
2622         ev.format = 32;
2623         ev.data.data32[0] = a;
2624         ev.data.data32[1] = t;
2625
2626         xcb_send_event(conn, 0, win->id,
2627             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2628 }
2629
2630 /* synthetic response to a ConfigureRequest when not making a change */
2631 void
2632 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2633 {
2634         xcb_configure_notify_event_t ce;
2635
2636         if (win == NULL)
2637                 return;
2638
2639         /* send notification of unchanged state. */
2640         bzero(&ce, sizeof(ce));
2641         ce.response_type = XCB_CONFIGURE_NOTIFY;
2642         ce.x = X(win);
2643         ce.y = Y(win);
2644         ce.width = WIDTH(win);
2645         ce.height = HEIGHT(win);
2646         ce.override_redirect = 0;
2647
2648         if (ev == NULL) {
2649                 /* EWMH */
2650                 ce.event = win->id;
2651                 ce.window = win->id;
2652                 ce.border_width = BORDER(win);
2653                 ce.above_sibling = XCB_WINDOW_NONE;
2654         } else {
2655                 /* normal */
2656                 ce.event = ev->window;
2657                 ce.window = ev->window;
2658
2659                 /* make response appear more WM_SIZE_HINTS-compliant */
2660                 if (win->sh.flags) {
2661                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2662                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2663                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2664                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2665                             SH_INC_W(win), SH_INC_H(win));
2666                 }
2667
2668                 /* min size */
2669                 if (SH_MIN(win)) {
2670                         /* the hint may be set... to 0! */
2671                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2672                                 ce.width = SH_MIN_W(win);
2673                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2674                                 ce.height = SH_MIN_H(win);
2675                 }
2676
2677                 /* max size */
2678                 if (SH_MAX(win)) {
2679                         /* may also be advertized as 0 */
2680                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2681                                 ce.width = SH_MAX_W(win);
2682                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2683                                 ce.height = SH_MAX_H(win);
2684                 }
2685
2686                 /* resize increment. */
2687                 if (SH_INC(win)) {
2688                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2689                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2690                                     SH_INC_W(win);
2691                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2692                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2693                                     SH_INC_H(win);
2694                 }
2695
2696                 /* adjust x and y for requested border_width. */
2697                 ce.x += BORDER(win) - ev->border_width;
2698                 ce.y += BORDER(win) - ev->border_width;
2699                 ce.border_width = ev->border_width;
2700                 ce.above_sibling = ev->sibling;
2701         }
2702
2703         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2704             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2705             ce.y, ce.width, ce.height, ce.border_width);
2706
2707         xcb_send_event(conn, 0, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2708             (char *)&ce);
2709 }
2710
2711 int
2712 count_win(struct workspace *ws, int count_transient)
2713 {
2714         struct ws_win           *win;
2715         int                     count = 0;
2716
2717         TAILQ_FOREACH(win, &ws->winlist, entry) {
2718                 if (!count_transient && win->floating)
2719                         continue;
2720                 if (!count_transient && win->transient)
2721                         continue;
2722                 if (win->iconic)
2723                         continue;
2724                 count++;
2725         }
2726         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2727
2728         return (count);
2729 }
2730
2731 void
2732 quit(struct swm_region *r, union arg *args)
2733 {
2734         /* suppress unused warnings since vars are needed */
2735         (void)r;
2736         (void)args;
2737
2738         DNPRINTF(SWM_D_MISC, "quit\n");
2739         running = 0;
2740 }
2741
2742 void
2743 map_window(struct ws_win *win)
2744 {
2745         uint32_t        val = XCB_STACK_MODE_ABOVE;
2746
2747         if (win == NULL)
2748                 return;
2749
2750         DNPRINTF(SWM_D_EVENT, "map_window: win 0x%x, mapped: %s\n", win->id,
2751             YESNO(win->mapped));
2752
2753         xcb_configure_window(conn, win->id,
2754             XCB_CONFIG_WINDOW_STACK_MODE, &val);
2755
2756         if (win->mapped)
2757                 return;
2758
2759         xcb_map_window(conn, win->id);
2760         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
2761         win->mapped = 1;
2762 }
2763
2764 void
2765 unmap_window(struct ws_win *win)
2766 {
2767         if (win == NULL)
2768                 return;
2769
2770         DNPRINTF(SWM_D_EVENT, "unmap_window: win 0x%x, mapped: %s\n", win->id,
2771             YESNO(win->mapped));
2772
2773         if (!win->mapped)
2774                 return;
2775
2776         xcb_unmap_window(conn, win->id);
2777         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2778         win->mapped = 0;
2779 }
2780
2781 void
2782 unmap_all(void)
2783 {
2784         struct ws_win           *win;
2785         int                     i, j, num_screens;
2786
2787         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2788         for (i = 0; i < num_screens; i++)
2789                 for (j = 0; j < workspace_limit; j++)
2790                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2791                                 unmap_window(win);
2792 }
2793
2794 void
2795 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2796 {
2797         xcb_key_press_event_t   event;
2798         xcb_keycode_t           *keycode;
2799
2800         if (win == NULL)
2801                 return;
2802
2803         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2804
2805         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2806             win->id, *keycode);
2807
2808         bzero(&event, sizeof(event));
2809         event.event = win->id;
2810         event.root = win->s->root;
2811         event.child = XCB_WINDOW_NONE;
2812         event.time = XCB_CURRENT_TIME;
2813         event.event_x = X(win);
2814         event.event_y = Y(win);
2815         event.root_x = 1;
2816         event.root_y = 1;
2817         event.same_screen = 1;
2818         event.detail = *keycode;
2819         event.state = modifiers;
2820
2821         event.response_type = XCB_KEY_PRESS;
2822         xcb_send_event(conn, 1, win->id,
2823             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2824
2825         event.response_type = XCB_KEY_RELEASE;
2826         xcb_send_event(conn, 1, win->id,
2827             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2828
2829         free(keycode);
2830 }
2831
2832 void
2833 restart(struct swm_region *r, union arg *args)
2834 {
2835         /* suppress unused warning since var is needed */
2836         (void)r;
2837         (void)args;
2838
2839         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2840
2841         shutdown_cleanup();
2842
2843         execvp(start_argv[0], start_argv);
2844         warn("execvp failed");
2845         quit(NULL, NULL);
2846 }
2847
2848 struct ws_win *
2849 get_pointer_win(xcb_window_t root)
2850 {
2851         struct ws_win                   *win = NULL;
2852         xcb_query_pointer_reply_t       *r;
2853
2854         DNPRINTF(SWM_D_EVENT, "get_pointer_win: root: 0x%x.\n", root);
2855
2856         r = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, root), NULL);
2857         if (r) {
2858                 win = find_window(r->child);
2859                 if (win) {
2860                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: 0x%x.\n",
2861                             win->id);
2862                 } else {
2863                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: none.\n");
2864                 }
2865                 free(r);
2866         }
2867
2868         return win;
2869 }
2870
2871 struct swm_region *
2872 root_to_region(xcb_window_t root, int check)
2873 {
2874         struct ws_win                   *cfw;
2875         struct swm_region               *r = NULL;
2876         int                             i, num_screens;
2877         xcb_query_pointer_reply_t       *qpr;
2878         xcb_get_input_focus_reply_t     *gifr;
2879
2880         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2881
2882         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2883         for (i = 0; i < num_screens; i++)
2884                 if (screens[i].root == root)
2885                         break;
2886
2887         if (check & SWM_CK_REGION)
2888                 r = screens[i].r_focus;
2889
2890         if (r == NULL && check & SWM_CK_FOCUS) {
2891                 /* Try to find an actively focused window */
2892                 gifr = xcb_get_input_focus_reply(conn,
2893                     xcb_get_input_focus(conn), NULL);
2894                 if (gifr) {
2895                         cfw = find_window(gifr->focus);
2896                         if (cfw && cfw->ws->r)
2897                                 r = cfw->ws->r;
2898
2899                         free(gifr);
2900                 }
2901         }
2902
2903         if (r == NULL && check & SWM_CK_POINTER) {
2904                 /* No region with an active focus; try to use pointer. */
2905                 qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2906                     screens[i].root), NULL);
2907
2908                 if (qpr) {
2909                         DNPRINTF(SWM_D_MISC, "root_to_region: pointer: "
2910                             "(%d,%d)\n", qpr->root_x, qpr->root_y);
2911                         TAILQ_FOREACH(r, &screens[i].rl, entry)
2912                                 if (X(r) <= qpr->root_x &&
2913                                     qpr->root_x < MAX_X(r) &&
2914                                     Y(r) <= qpr->root_y &&
2915                                     qpr->root_y < MAX_Y(r))
2916                                         break;
2917                         free(qpr);
2918                 }
2919         }
2920
2921         /* Last resort. */
2922         if (r == NULL && check & SWM_CK_FALLBACK)
2923                 r = TAILQ_FIRST(&screens[i].rl);
2924
2925         return (r);
2926 }
2927
2928 struct ws_win *
2929 find_unmanaged_window(xcb_window_t id)
2930 {
2931         struct ws_win           *win;
2932         int                     i, j, num_screens;
2933
2934         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2935         for (i = 0; i < num_screens; i++)
2936                 for (j = 0; j < workspace_limit; j++)
2937                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2938                             entry)
2939                                 if (id == win->id)
2940                                         return (win);
2941         return (NULL);
2942 }
2943
2944 struct ws_win *
2945 find_window(xcb_window_t id)
2946 {
2947         struct ws_win           *win;
2948         int                     i, j, num_screens;
2949         xcb_query_tree_reply_t  *r;
2950
2951         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2952         for (i = 0; i < num_screens; i++)
2953                 for (j = 0; j < workspace_limit; j++)
2954                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2955                                 if (id == win->id)
2956                                         return (win);
2957
2958         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
2959         if (!r)
2960                 return (NULL);
2961
2962         /* if we were looking for the parent return that window instead */
2963         if (r->parent == 0 || r->root == r->parent) {
2964                 free(r);
2965                 return (NULL);
2966         }
2967
2968         /* look for parent */
2969         for (i = 0; i < num_screens; i++)
2970                 for (j = 0; j < workspace_limit; j++)
2971                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2972                                 if (r->parent == win->id) {
2973                                         free(r);
2974                                         return (win);
2975                                 }
2976
2977         free(r);
2978         return (NULL);
2979 }
2980
2981 void
2982 spawn(int ws_idx, union arg *args, int close_fd)
2983 {
2984         int                     fd;
2985         char                    *ret = NULL;
2986
2987         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2988
2989         close(xcb_get_file_descriptor(conn));
2990
2991         setenv("LD_PRELOAD", SWM_LIB, 1);
2992
2993         if (asprintf(&ret, "%d", ws_idx) == -1) {
2994                 warn("spawn: asprintf SWM_WS");
2995                 _exit(1);
2996         }
2997         setenv("_SWM_WS", ret, 1);
2998         free(ret);
2999         ret = NULL;
3000
3001         if (asprintf(&ret, "%d", getpid()) == -1) {
3002                 warn("spawn: asprintf _SWM_PID");
3003                 _exit(1);
3004         }
3005         setenv("_SWM_PID", ret, 1);
3006         free(ret);
3007         ret = NULL;
3008
3009         if (setsid() == -1) {
3010                 warn("spawn: setsid");
3011                 _exit(1);
3012         }
3013
3014         if (close_fd) {
3015                 /*
3016                  * close stdin and stdout to prevent interaction between apps
3017                  * and the baraction script
3018                  * leave stderr open to record errors
3019                 */
3020                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
3021                         warn("spawn: open");
3022                         _exit(1);
3023                 }
3024                 dup2(fd, STDIN_FILENO);
3025                 dup2(fd, STDOUT_FILENO);
3026                 if (fd > 2)
3027                         close(fd);
3028         }
3029
3030         execvp(args->argv[0], args->argv);
3031
3032         warn("spawn: execvp");
3033         _exit(1);
3034 }
3035
3036 void
3037 kill_refs(struct ws_win *win)
3038 {
3039         int                     i, x, num_screens;
3040         struct swm_region       *r;
3041         struct workspace        *ws;
3042
3043         if (win == NULL)
3044                 return;
3045
3046         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3047         for (i = 0; i < num_screens; i++)
3048                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3049                         for (x = 0; x < workspace_limit; x++) {
3050                                 ws = &r->s->ws[x];
3051                                 if (win == ws->focus)
3052                                         ws->focus = NULL;
3053                                 if (win == ws->focus_prev)
3054                                         ws->focus_prev = NULL;
3055                         }
3056 }
3057
3058 int
3059 validate_win(struct ws_win *testwin)
3060 {
3061         struct ws_win           *win;
3062         struct workspace        *ws;
3063         struct swm_region       *r;
3064         int                     i, x, num_screens;
3065
3066         if (testwin == NULL)
3067                 return (0);
3068
3069         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3070         for (i = 0; i < num_screens; i++)
3071                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3072                         for (x = 0; x < workspace_limit; x++) {
3073                                 ws = &r->s->ws[x];
3074                                 TAILQ_FOREACH(win, &ws->winlist, entry)
3075                                         if (win == testwin)
3076                                                 return (0);
3077                         }
3078         return (1);
3079 }
3080
3081 int
3082 validate_ws(struct workspace *testws)
3083 {
3084         struct swm_region       *r;
3085         struct workspace        *ws;
3086         int                     i, x, num_screens;
3087
3088         /* validate all ws */
3089         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3090         for (i = 0; i < num_screens; i++)
3091                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3092                         for (x = 0; x < workspace_limit; x++) {
3093                                 ws = &r->s->ws[x];
3094                                 if (ws == testws)
3095                                         return (0);
3096                         }
3097         return (1);
3098 }
3099
3100 void
3101 unfocus_win(struct ws_win *win)
3102 {
3103         xcb_window_t            none = XCB_WINDOW_NONE;
3104
3105         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
3106
3107         if (win == NULL)
3108                 return;
3109         if (win->ws == NULL) {
3110                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL ws.\n");
3111                 return;
3112         }
3113
3114         if (validate_ws(win->ws)) {
3115                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid ws.\n");
3116                 return;
3117         }
3118
3119         if (win->ws->r == NULL) {
3120                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL region.\n");
3121                 return;
3122         }
3123
3124         if (validate_win(win)) {
3125                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid win.\n");
3126                 kill_refs(win);
3127                 return;
3128         }
3129
3130         if (win->ws->focus == win) {
3131                 win->ws->focus = NULL;
3132                 win->ws->focus_prev = win;
3133         }
3134
3135         if (validate_win(win->ws->focus)) {
3136                 kill_refs(win->ws->focus);
3137                 win->ws->focus = NULL;
3138         }
3139
3140         if (validate_win(win->ws->focus_prev)) {
3141                 kill_refs(win->ws->focus_prev);
3142                 win->ws->focus_prev = NULL;
3143         }
3144
3145         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3146             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
3147
3148         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3149             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
3150
3151         DNPRINTF(SWM_D_FOCUS, "unfocus_win: done.\n");
3152 }
3153
3154 void
3155 focus_win(struct ws_win *win)
3156 {
3157         struct ws_win                   *cfw = NULL, *parent = NULL, *w;
3158         struct workspace                *ws;
3159         xcb_get_input_focus_reply_t     *r;
3160
3161         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
3162
3163         if (win == NULL)
3164                 goto out;
3165
3166         if (win->ws == NULL)
3167                 goto out;
3168
3169         if (!win->mapped)
3170                 goto out;
3171
3172         ws = win->ws;
3173
3174         if (validate_ws(ws))
3175                 goto out;
3176
3177         if (validate_win(win)) {
3178                 kill_refs(win);
3179                 goto out;
3180         }
3181
3182         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
3183         if (r) {
3184                 cfw = find_window(r->focus);
3185                 if (cfw != win)
3186                         unfocus_win(cfw);
3187                 free(r);
3188         }
3189
3190         if (ws->focus != win) {
3191                 if (ws->focus && ws->focus != cfw)
3192                         unfocus_win(ws->focus);
3193                 ws->focus = win;
3194         }
3195
3196         /* If this window directs focus to a child window, then clear. */
3197         if (win->focus_child)
3198                 win->focus_child = NULL;
3199
3200         /* If transient, adjust parent's focus child for focus_magic. */
3201         if (win->transient) {
3202                 parent = find_window(win->transient);
3203                 if (parent && parent->focus_child != win)
3204                         parent->focus_child = win;
3205         }
3206
3207         if (cfw != win && ws->r != NULL) {
3208                 /* Set input focus if no input hint, or indicated by hint. */
3209                 if (!(win->hints.flags & XCB_ICCCM_WM_HINT_INPUT) ||
3210                     (win->hints.flags & XCB_ICCCM_WM_HINT_INPUT &&
3211                      win->hints.input))
3212                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3213                                         win->id, last_event_time);
3214
3215                 /* Tell app it can adjust focus to a specific window. */
3216                 if (win->take_focus) {
3217                         /* java is special; always tell parent */
3218                         if (win->transient && win->java)
3219                                 client_msg(parent, a_takefocus,
3220                                     last_event_time);
3221                         else
3222                                 client_msg(win, a_takefocus, last_event_time);
3223                 }
3224
3225                 xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3226                     &ws->r->s->c[SWM_S_COLOR_FOCUS].pixel);
3227
3228                 if (ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
3229                     ws->always_raise) {
3230                         /* If a parent exists, map it first. */
3231                         if (parent) {
3232                                 map_window(parent);
3233
3234                                 /* Map siblings next. */
3235                                 TAILQ_FOREACH(w, &ws->winlist, entry)
3236                                         if (w != win && !w->iconic &&
3237                                             w->transient == parent->id)
3238                                                 map_window(w);
3239                         }
3240
3241                         /* Map focused window. */
3242                         map_window(win);
3243
3244                         /* Finally, map children of focus window. */
3245                         TAILQ_FOREACH(w, &ws->winlist, entry)
3246                                 if (w->transient == win->id && !w->iconic)
3247                                         map_window(w);
3248                 }
3249
3250                 set_region(ws->r);
3251
3252                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3253                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
3254                     &win->id);
3255         }
3256
3257 out:
3258         bar_draw();
3259
3260         DNPRINTF(SWM_D_FOCUS, "focus_win: done.\n");
3261 }
3262
3263 /* If a child window should have focus instead, return it. */
3264 struct ws_win *
3265 get_focus_magic(struct ws_win *win)
3266 {
3267         struct ws_win   *parent = NULL;
3268         struct ws_win   *child = NULL;
3269
3270         DNPRINTF(SWM_D_FOCUS, "get_focus_magic: window: 0x%x\n", WINID(win));
3271         if (win == NULL)
3272                 return win;
3273
3274         if (win->transient) {
3275                 parent = find_window(win->transient);
3276
3277                 /* If parent prefers focus elsewhere, then try to do so. */
3278                 if (parent && (child = parent->focus_child)) {
3279                         if (validate_win(child) == 0 && child->mapped)
3280                                 win = child;
3281                         else
3282                                 parent->focus_child = NULL;
3283                 }
3284         }
3285
3286         /* If this window prefers focus elsewhere, then try to do so. */
3287         if ((child = win->focus_child)) {
3288                 if (validate_win(child) == 0 && child->mapped)
3289                         win = child;
3290                 else
3291                         win->focus_child = NULL;
3292         }
3293
3294         return win;
3295 }
3296
3297 void
3298 event_drain(uint8_t rt)
3299 {
3300         xcb_generic_event_t     *evt;
3301
3302         /* ensure all pending requests have been processed before filtering. */
3303         xcb_aux_sync(conn);
3304         while ((evt = xcb_poll_for_event(conn))) {
3305                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
3306                         event_handle(evt);
3307
3308                 free(evt);
3309         }
3310 }
3311
3312 void
3313 set_region(struct swm_region *r)
3314 {
3315         struct swm_region       *rf;
3316
3317         if (r == NULL)
3318                 return;
3319
3320         /* Skip if only one region on this screen. */
3321         rf = TAILQ_FIRST(&r->s->rl);
3322         if (TAILQ_NEXT(rf, entry) == NULL)
3323                 goto out;
3324
3325         rf = r->s->r_focus;
3326         /* Unfocus old region bar. */
3327         if (rf) {
3328                 if (rf == r)
3329                         return;
3330
3331                 xcb_change_window_attributes(conn, rf->bar->id,
3332                     XCB_CW_BORDER_PIXEL,
3333                     &r->s->c[SWM_S_COLOR_BAR_BORDER_UNFOCUS].pixel);
3334         }
3335
3336         /* Set region bar border to focus_color. */
3337         xcb_change_window_attributes(conn, r->bar->id,
3338             XCB_CW_BORDER_PIXEL, &r->s->c[SWM_S_COLOR_BAR_BORDER].pixel);
3339
3340 out:
3341         r->s->r_focus = r;
3342 }
3343
3344 void
3345 focus_region(struct swm_region *r)
3346 {
3347         struct ws_win           *nfw;
3348         struct swm_region       *old_r;
3349
3350         if (r == NULL)
3351                 return;
3352
3353         old_r = r->s->r_focus;
3354         set_region(r);
3355
3356         nfw = get_region_focus(r);
3357         if (nfw) {
3358                 focus_win(nfw);
3359         } else {
3360                 /* New region is empty; need to manually unfocus win. */
3361                 if (old_r)
3362                         unfocus_win(old_r->ws->focus);
3363
3364                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT, r->s->root,
3365                     XCB_CURRENT_TIME);
3366
3367                 /* Clear bar since empty. */
3368                 bar_draw();
3369         }
3370 }
3371
3372 void
3373 switchws(struct swm_region *r, union arg *args)
3374 {
3375         int                     wsid = args->id, unmap_old = 0;
3376         struct swm_region       *this_r, *other_r;
3377         struct ws_win           *win;
3378         struct workspace        *new_ws, *old_ws;
3379
3380         if (!(r && r->s))
3381                 return;
3382
3383         if (wsid >= workspace_limit)
3384                 return;
3385
3386         this_r = r;
3387         old_ws = this_r->ws;
3388         new_ws = &this_r->s->ws[wsid];
3389
3390         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
3391             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
3392
3393         if (new_ws == NULL || old_ws == NULL)
3394                 return;
3395         if (new_ws == old_ws)
3396                 return;
3397
3398         unfocus_win(old_ws->focus);
3399
3400         other_r = new_ws->r;
3401         if (other_r == NULL) {
3402                 /* the other workspace is hidden, hide this one */
3403                 old_ws->r = NULL;
3404                 unmap_old = 1;
3405         } else {
3406                 /* the other ws is visible in another region, exchange them */
3407                 other_r->ws_prior = new_ws;
3408                 other_r->ws = old_ws;
3409                 old_ws->r = other_r;
3410         }
3411         this_r->ws_prior = old_ws;
3412         this_r->ws = new_ws;
3413         new_ws->r = this_r;
3414
3415         /* Set focus_pending before stacking. */
3416         if (focus_mode != SWM_FOCUS_FOLLOW)
3417                 new_ws->focus_pending = get_region_focus(new_ws->r);
3418
3419         stack();
3420
3421         /* unmap old windows */
3422         if (unmap_old)
3423                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
3424                         unmap_window(win);
3425
3426         /* if workspaces were swapped, then don't wait to set focus */
3427         if (old_ws->r && focus_mode != SWM_FOCUS_FOLLOW) {
3428                 if (new_ws->focus_pending) {
3429                         focus_win(new_ws->focus_pending);
3430                 } else {
3431                         /* Empty region, focus on root. */
3432                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3433                             new_ws->r->s[new_ws->r->s->idx].root,
3434                             XCB_CURRENT_TIME);
3435                 }
3436         }
3437
3438         /* Clear bar if new ws is empty. */
3439         if (new_ws->focus_pending == NULL)
3440                 bar_draw();
3441
3442         focus_flush();
3443
3444         DNPRINTF(SWM_D_WS, "switchws: done.\n");
3445 }
3446
3447 void
3448 cyclews(struct swm_region *r, union arg *args)
3449 {
3450         union                   arg a;
3451         struct swm_screen       *s = r->s;
3452         int                     cycle_all = 0;
3453
3454         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3455             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3456
3457         a.id = r->ws->idx;
3458         do {
3459                 switch (args->id) {
3460                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
3461                         cycle_all = 1;
3462                         /* FALLTHROUGH */
3463                 case SWM_ARG_ID_CYCLEWS_UP:
3464                         if (a.id < workspace_limit - 1)
3465                                 a.id++;
3466                         else
3467                                 a.id = 0;
3468                         break;
3469                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
3470                         cycle_all = 1;
3471                         /* FALLTHROUGH */
3472                 case SWM_ARG_ID_CYCLEWS_DOWN:
3473                         if (a.id > 0)
3474                                 a.id--;
3475                         else
3476                                 a.id = workspace_limit - 1;
3477                         break;
3478                 default:
3479                         return;
3480                 };
3481
3482                 if (!cycle_all &&
3483                     (!cycle_empty && TAILQ_EMPTY(&s->ws[a.id].winlist)))
3484                         continue;
3485                 if (!cycle_visible && s->ws[a.id].r != NULL)
3486                         continue;
3487
3488                 switchws(r, &a);
3489         } while (a.id != r->ws->idx);
3490 }
3491
3492 void
3493 priorws(struct swm_region *r, union arg *args)
3494 {
3495         union arg               a;
3496
3497         (void)args;
3498
3499         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3500             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3501
3502         if (r->ws_prior == NULL)
3503                 return;
3504
3505         a.id = r->ws_prior->idx;
3506         switchws(r, &a);
3507 }
3508
3509 void
3510 focusrg(struct swm_region *r, union arg *args)
3511 {
3512         int                     ridx = args->id, i, num_screens;
3513         struct swm_region       *rr = NULL;
3514
3515         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3516         /* do nothing if we don't have more than one screen */
3517         if (!(num_screens > 1 || outputs > 1))
3518                 return;
3519
3520         DNPRINTF(SWM_D_FOCUS, "focusrg: id: %d\n", ridx);
3521
3522         rr = TAILQ_FIRST(&r->s->rl);
3523         for (i = 0; i < ridx; ++i)
3524                 rr = TAILQ_NEXT(rr, entry);
3525
3526         if (rr == NULL)
3527                 return;
3528
3529         focus_region(rr);
3530         focus_flush();
3531 }
3532
3533 void
3534 cyclerg(struct swm_region *r, union arg *args)
3535 {
3536         struct swm_region       *rr = NULL;
3537         int                     i, num_screens;
3538
3539         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3540         /* do nothing if we don't have more than one screen */
3541         if (!(num_screens > 1 || outputs > 1))
3542                 return;
3543
3544         i = r->s->idx;
3545         switch (args->id) {
3546         case SWM_ARG_ID_CYCLERG_UP:
3547                 rr = TAILQ_NEXT(r, entry);
3548                 if (rr == NULL)
3549                         rr = TAILQ_FIRST(&screens[i].rl);
3550                 break;
3551         case SWM_ARG_ID_CYCLERG_DOWN:
3552                 rr = TAILQ_PREV(r, swm_region_list, entry);
3553                 if (rr == NULL)
3554                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
3555                 break;
3556         default:
3557                 return;
3558         };
3559         if (rr == NULL)
3560                 return;
3561
3562         focus_region(rr);
3563         focus_flush();
3564 }
3565
3566 void
3567 sort_windows(struct ws_win_list *wl)
3568 {
3569         struct ws_win           *win, *parent, *nxt;
3570
3571         if (wl == NULL)
3572                 return;
3573
3574         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
3575                 nxt = TAILQ_NEXT(win, entry);
3576                 if (win->transient) {
3577                         parent = find_window(win->transient);
3578                         if (parent == NULL) {
3579                                 warnx("not possible bug");
3580                                 continue;
3581                         }
3582                         TAILQ_REMOVE(wl, win, entry);
3583                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
3584                 }
3585         }
3586
3587 }
3588
3589 void
3590 swapwin(struct swm_region *r, union arg *args)
3591 {
3592         struct ws_win           *target, *source;
3593         struct ws_win           *cur_focus;
3594         struct ws_win_list      *wl;
3595
3596         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3597             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3598
3599         cur_focus = r->ws->focus;
3600         if (cur_focus == NULL)
3601                 return;
3602
3603         source = cur_focus;
3604         wl = &source->ws->winlist;
3605
3606         switch (args->id) {
3607         case SWM_ARG_ID_SWAPPREV:
3608                 if (source->transient)
3609                         source = find_window(source->transient);
3610                 target = TAILQ_PREV(source, ws_win_list, entry);
3611                 if (target && target->transient)
3612                         target = find_window(target->transient);
3613                 TAILQ_REMOVE(wl, source, entry);
3614                 if (target == NULL)
3615                         TAILQ_INSERT_TAIL(wl, source, entry);
3616                 else
3617                         TAILQ_INSERT_BEFORE(target, source, entry);
3618                 break;
3619         case SWM_ARG_ID_SWAPNEXT:
3620                 target = TAILQ_NEXT(source, entry);
3621                 /* move the parent and let the sort handle the move */
3622                 if (source->transient)
3623                         source = find_window(source->transient);
3624                 TAILQ_REMOVE(wl, source, entry);
3625                 if (target == NULL)
3626                         TAILQ_INSERT_HEAD(wl, source, entry);
3627                 else
3628                         TAILQ_INSERT_AFTER(wl, target, source, entry);
3629                 break;
3630         case SWM_ARG_ID_SWAPMAIN:
3631                 target = TAILQ_FIRST(wl);
3632                 if (target == source) {
3633                         if (source->ws->focus_prev != NULL &&
3634                             source->ws->focus_prev != target)
3635                                 source = source->ws->focus_prev;
3636                         else
3637                                 return;
3638                 }
3639                 if (target == NULL || source == NULL)
3640                         return;
3641                 source->ws->focus_prev = target;
3642                 TAILQ_REMOVE(wl, target, entry);
3643                 TAILQ_INSERT_BEFORE(source, target, entry);
3644                 TAILQ_REMOVE(wl, source, entry);
3645                 TAILQ_INSERT_HEAD(wl, source, entry);
3646                 break;
3647         case SWM_ARG_ID_MOVELAST:
3648                 TAILQ_REMOVE(wl, source, entry);
3649                 TAILQ_INSERT_TAIL(wl, source, entry);
3650                 break;
3651         default:
3652                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
3653                 return;
3654         }
3655
3656         sort_windows(wl);
3657
3658         stack();
3659
3660         focus_flush();
3661 }
3662
3663 struct ws_win *
3664 get_focus_prev(struct ws_win *win)
3665 {
3666         struct ws_win           *winfocus = NULL;
3667         struct ws_win           *cur_focus = NULL;
3668         struct ws_win_list      *wl = NULL;
3669         struct workspace        *ws = NULL;
3670
3671         if (!(win && win->ws))
3672                 return NULL;
3673
3674         ws = win->ws;
3675         wl = &ws->winlist;
3676         cur_focus = ws->focus;
3677
3678         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: window: 0x%x, cur_focus: 0x%x\n",
3679             WINID(win), WINID(cur_focus));
3680
3681         /* pickle, just focus on whatever */
3682         if (cur_focus == NULL) {
3683                 /* use prev_focus if valid */
3684                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
3685                     find_window(WINID(ws->focus_prev)))
3686                         winfocus = ws->focus_prev;
3687                 goto done;
3688         }
3689
3690         /* if transient focus on parent */
3691         if (cur_focus->transient) {
3692                 winfocus = find_window(cur_focus->transient);
3693                 goto done;
3694         }
3695
3696         /* if in max_stack try harder */
3697         if ((win->quirks & SWM_Q_FOCUSPREV) ||
3698             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
3699                 if (cur_focus != ws->focus_prev)
3700                         winfocus = ws->focus_prev;
3701                 else
3702                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3703                 if (winfocus)
3704                         goto done;
3705         }
3706
3707         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: focus_close: %d\n", focus_close);
3708
3709         if (winfocus == NULL || winfocus == win) {
3710                 switch (focus_close) {
3711                 case SWM_STACK_BOTTOM:
3712                         TAILQ_FOREACH(winfocus, wl, entry)
3713                                 if (!winfocus->iconic && winfocus != cur_focus)
3714                                         break;
3715                         break;
3716                 case SWM_STACK_TOP:
3717                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
3718                                 if (!winfocus->iconic && winfocus != cur_focus)
3719                                         break;
3720                         break;
3721                 case SWM_STACK_ABOVE:
3722                         winfocus = TAILQ_NEXT(cur_focus, entry);
3723                         while (winfocus && winfocus->iconic)
3724                                 winfocus = TAILQ_NEXT(winfocus, entry);
3725
3726                         if (winfocus == NULL) {
3727                                 if (focus_close_wrap) {
3728                                         TAILQ_FOREACH(winfocus, wl, entry)
3729                                                 if (!winfocus->iconic &&
3730                                                     winfocus != cur_focus)
3731                                                         break;
3732                                 } else {
3733                                         TAILQ_FOREACH_REVERSE(winfocus, wl,
3734                                             ws_win_list, entry)
3735                                                 if (!winfocus->iconic &&
3736                                                     winfocus != cur_focus)
3737                                                         break;
3738                                 }
3739                         }
3740                         break;
3741                 case SWM_STACK_BELOW:
3742                         winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
3743                         while (winfocus && winfocus->iconic)
3744                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3745                                     entry);
3746
3747                         if (winfocus == NULL) {
3748                                 if (focus_close_wrap) {
3749                                         TAILQ_FOREACH_REVERSE(winfocus, wl,
3750                                             ws_win_list, entry)
3751                                                 if (!winfocus->iconic &&
3752                                                     winfocus != cur_focus)
3753                                                         break;
3754                                 } else {
3755                                         TAILQ_FOREACH(winfocus, wl, entry)
3756                                                 if (!winfocus->iconic &&
3757                                                     winfocus != cur_focus)
3758                                                         break;
3759                                 }
3760                         }
3761                         break;
3762                 }
3763         }
3764 done:
3765         if (winfocus == NULL ||
3766             (winfocus && (winfocus->iconic || winfocus == cur_focus))) {
3767                 if (focus_default == SWM_STACK_TOP) {
3768                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
3769                                 if (!winfocus->iconic && winfocus != cur_focus)
3770                                         break;
3771                 } else {
3772                         TAILQ_FOREACH(winfocus, wl, entry)
3773                                 if (!winfocus->iconic && winfocus != cur_focus)
3774                                         break;
3775                 }
3776         }
3777
3778         kill_refs(win);
3779
3780         return get_focus_magic(winfocus);
3781 }
3782
3783 struct ws_win *
3784 get_region_focus(struct swm_region *r)
3785 {
3786         struct ws_win           *winfocus = NULL;
3787
3788         if (!(r && r->ws))
3789                 return NULL;
3790
3791         if (r->ws->focus && !r->ws->focus->iconic)
3792                 winfocus = r->ws->focus;
3793         else if (r->ws->focus_prev && !r->ws->focus_prev->iconic)
3794                 winfocus = r->ws->focus_prev;
3795         else
3796                 TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3797                         if (!winfocus->iconic)
3798                                 break;
3799
3800         return get_focus_magic(winfocus);
3801 }
3802
3803 void
3804 focus(struct swm_region *r, union arg *args)
3805 {
3806         struct ws_win           *head, *cur_focus = NULL, *winfocus = NULL;
3807         struct ws_win_list      *wl = NULL;
3808         struct workspace        *ws = NULL;
3809         int                     all_iconics;
3810
3811         if (!(r && r->ws))
3812                 return;
3813
3814         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
3815
3816         if ((cur_focus = r->ws->focus) == NULL)
3817                 return;
3818         ws = r->ws;
3819         wl = &ws->winlist;
3820         if (TAILQ_EMPTY(wl))
3821                 return;
3822         /* make sure there is at least one uniconified window */
3823         all_iconics = 1;
3824         TAILQ_FOREACH(winfocus, wl, entry)
3825                 if (!winfocus->iconic) {
3826                         all_iconics = 0;
3827                         break;
3828                 }
3829         if (all_iconics)
3830                 return;
3831
3832         switch (args->id) {
3833         case SWM_ARG_ID_FOCUSPREV:
3834                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3835                 if (head == NULL)
3836                         head = TAILQ_LAST(wl, ws_win_list);
3837                 winfocus = head;
3838                 if (WINID(winfocus) == cur_focus->transient) {
3839                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3840                         if (head == NULL)
3841                                 head = TAILQ_LAST(wl, ws_win_list);
3842                         winfocus = head;
3843                 }
3844
3845                 /* skip iconics */
3846                 if (winfocus && winfocus->iconic) {
3847                         while (winfocus != cur_focus) {
3848                                 if (winfocus == NULL)
3849                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3850                                 if (!winfocus->iconic)
3851                                         break;
3852                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3853                                     entry);
3854                         }
3855                 }
3856                 break;
3857
3858         case SWM_ARG_ID_FOCUSNEXT:
3859                 head = TAILQ_NEXT(cur_focus, entry);
3860                 if (head == NULL)
3861                         head = TAILQ_FIRST(wl);
3862                 winfocus = head;
3863
3864                 /* skip iconics */
3865                 if (winfocus && winfocus->iconic) {
3866                         while (winfocus != cur_focus) {
3867                                 if (winfocus == NULL)
3868                                         winfocus = TAILQ_FIRST(wl);
3869                                 if (!winfocus->iconic)
3870                                         break;
3871                                 winfocus = TAILQ_NEXT(winfocus, entry);
3872                         }
3873                 }
3874                 break;
3875
3876         case SWM_ARG_ID_FOCUSMAIN:
3877                 winfocus = TAILQ_FIRST(wl);
3878                 if (winfocus == cur_focus)
3879                         winfocus = cur_focus->ws->focus_prev;
3880                 break;
3881
3882         default:
3883                 return;
3884         }
3885
3886         focus_win(get_focus_magic(winfocus));
3887
3888         focus_flush();
3889 }
3890
3891 void
3892 cycle_layout(struct swm_region *r, union arg *args)
3893 {
3894         struct workspace        *ws = r->ws;
3895
3896         /* suppress unused warning since var is needed */
3897         (void)args;
3898
3899         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3900
3901         ws->cur_layout++;
3902         if (ws->cur_layout->l_stack == NULL)
3903                 ws->cur_layout = &layouts[0];
3904
3905         stack();
3906         bar_draw();
3907
3908         focus_win(get_region_focus(r));
3909
3910         focus_flush();
3911 }
3912
3913 void
3914 stack_config(struct swm_region *r, union arg *args)
3915 {
3916         struct workspace        *ws = r->ws;
3917
3918         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3919             args->id, ws->idx);
3920
3921         if (ws->cur_layout->l_config != NULL)
3922                 ws->cur_layout->l_config(ws, args->id);
3923
3924         if (args->id != SWM_ARG_ID_STACKINIT)
3925                 stack();
3926         bar_draw();
3927
3928         focus_flush();
3929 }
3930
3931 void
3932 stack(void) {
3933         struct swm_geometry     g;
3934         struct swm_region       *r;
3935         int                     i, num_screens;
3936 #ifdef SWM_DEBUG
3937         int j;
3938 #endif
3939
3940         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3941
3942         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3943         for (i = 0; i < num_screens; i++) {
3944 #ifdef SWM_DEBUG
3945                 j = 0;
3946 #endif
3947                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3948                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3949                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3950
3951                         /* Adjust stack area for region bar and padding. */
3952                         g = r->g;
3953                         g.x += region_padding;
3954                         g.y += region_padding;
3955                         g.w -= 2 * border_width + 2 * region_padding;
3956                         g.h -= 2 * border_width + 2 * region_padding;
3957                         if (bar_enabled && r->ws->bar_enabled) {
3958                                 if (!bar_at_bottom)
3959                                         g.y += bar_height;
3960                                 g.h -= bar_height;
3961                         }
3962                         r->ws->cur_layout->l_stack(r->ws, &g);
3963                         r->ws->cur_layout->l_string(r->ws);
3964                         /* save r so we can track region changes */
3965                         r->ws->old_r = r;
3966                 }
3967         }
3968         if (font_adjusted)
3969                 font_adjusted--;
3970
3971         DNPRINTF(SWM_D_STACK, "stack: end\n");
3972 }
3973
3974 void
3975 store_float_geom(struct ws_win *win, struct swm_region *r)
3976 {
3977         if (win == NULL || r == NULL)
3978                 return;
3979
3980         /* retain window geom and region geom */
3981         win->g_float = win->g;
3982         win->g_float.x -= X(r);
3983         win->g_float.y -= Y(r);
3984         win->g_floatvalid = 1;
3985         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3986             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3987             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3988             win->g_float.w, win->g_float.h);
3989 }
3990
3991 void
3992 load_float_geom(struct ws_win *win, struct swm_region *r)
3993 {
3994         if (win == NULL || r == NULL)
3995                 return;
3996
3997         if (win->g_floatvalid) {
3998                 win->g = win->g_float;
3999                 X(win) += X(r);
4000                 Y(win) += Y(r);
4001                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g: (%d,%d)"
4002                     "%d x %d\n", win->id, X(win), Y(win), WIDTH(win),
4003                     HEIGHT(win));
4004         } else {
4005                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g_float "
4006                     "is not set.\n", win->id);
4007         }
4008 }
4009
4010 void
4011 stack_floater(struct ws_win *win, struct swm_region *r)
4012 {
4013         if (win == NULL)
4014                 return;
4015
4016         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
4017
4018         /*
4019          * to allow windows to change their size (e.g. mplayer fs) only retrieve
4020          * geom on ws switches or return from max mode
4021          */
4022         if (win->floatmaxed || (r != r->ws->old_r &&
4023             !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
4024                 /* update geometry for the new region */
4025                 load_float_geom(win, r);
4026         }
4027
4028         win->floatmaxed = 0;
4029
4030         /*
4031          * if set to fullscreen mode, configure window to maximum size.
4032          */
4033         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4034                 if (!win->g_floatvalid)
4035                         store_float_geom(win, win->ws->r);
4036
4037                 win->g = r->g;
4038         }
4039
4040         /*
4041          * remove border on fullscreen floater when in fullscreen mode or when
4042          * the quirk is present.
4043          */
4044         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
4045             ((win->quirks & SWM_Q_FULLSCREEN) &&
4046              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
4047                 if (win->bordered) {
4048                         win->bordered = 0;
4049                         X(win) += border_width;
4050                         Y(win) += border_width;
4051                 }
4052         } else if (!win->bordered) {
4053                 win->bordered = 1;
4054                 X(win) -= border_width;
4055                 Y(win) -= border_width;
4056         }
4057
4058         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
4059                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
4060                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
4061         }
4062
4063         if (!win->manual && !(win->ewmh_flags & EWMH_F_FULLSCREEN) &&
4064             !(win->quirks & SWM_Q_ANYWHERE)) {
4065                 /*
4066                  * floaters and transients are auto-centred unless moved,
4067                  * resized or ANYWHERE quirk is set.
4068                  */
4069                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
4070                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
4071
4072                 store_float_geom(win, r);
4073         }
4074
4075         /* keep window within region bounds */
4076         constrain_window(win, r, 0);
4077
4078         update_window(win);
4079 }
4080
4081 /*
4082  * Send keystrokes to terminal to decrease/increase the font size as the
4083  * window size changes.
4084  */
4085 void
4086 adjust_font(struct ws_win *win)
4087 {
4088         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
4089             win->floating || win->transient)
4090                 return;
4091
4092         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
4093             WIDTH(win) / win->sh.width_inc < term_width &&
4094             win->font_steps < SWM_MAX_FONT_STEPS) {
4095                 win->font_size_boundary[win->font_steps] =
4096                     (win->sh.width_inc * term_width) + win->sh.base_width;
4097                 win->font_steps++;
4098                 font_adjusted++;
4099                 win->last_inc = win->sh.width_inc;
4100                 fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
4101         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
4102             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
4103                 win->font_steps--;
4104                 font_adjusted++;
4105                 win->last_inc = win->sh.width_inc;
4106                 fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
4107         }
4108 }
4109
4110 #define SWAPXY(g)       do {                            \
4111         int tmp;                                        \
4112         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
4113         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
4114 } while (0)
4115 void
4116 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
4117 {
4118         struct swm_geometry     win_g, r_g = *g;
4119         struct ws_win           *win, *fs_win = NULL;
4120         int                     i, j, s, stacks;
4121         int                     w_inc = 1, h_inc, w_base = 1, h_base;
4122         int                     hrh, extra = 0, h_slice, last_h = 0;
4123         int                     split, colno, winno, mwin, msize, mscale;
4124         int                     remain, missing, v_slice, reconfigure = 0;
4125         int                     bordered = 1;
4126
4127         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
4128             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
4129
4130         winno = count_win(ws, 0);
4131         if (winno == 0 && count_win(ws, 1) == 0)
4132                 return;
4133
4134         TAILQ_FOREACH(win, &ws->winlist, entry)
4135                 if (!win->transient && !win->floating && !win->iconic)
4136                         break;
4137
4138         if (win == NULL)
4139                 goto notiles;
4140
4141         if (rot) {
4142                 w_inc = win->sh.width_inc;
4143                 w_base = win->sh.base_width;
4144                 mwin = ws->l_state.horizontal_mwin;
4145                 mscale = ws->l_state.horizontal_msize;
4146                 stacks = ws->l_state.horizontal_stacks;
4147                 SWAPXY(&r_g);
4148         } else {
4149                 w_inc = win->sh.height_inc;
4150                 w_base = win->sh.base_height;
4151                 mwin = ws->l_state.vertical_mwin;
4152                 mscale = ws->l_state.vertical_msize;
4153                 stacks = ws->l_state.vertical_stacks;
4154         }
4155         win_g = r_g;
4156
4157         if (stacks > winno - mwin)
4158                 stacks = winno - mwin;
4159         if (stacks < 1)
4160                 stacks = 1;
4161
4162         h_slice = r_g.h / SWM_H_SLICE;
4163         if (mwin && winno > mwin) {
4164                 v_slice = r_g.w / SWM_V_SLICE;
4165
4166                 split = mwin;
4167                 colno = split;
4168                 win_g.w = v_slice * mscale;
4169
4170                 if (w_inc > 1 && w_inc < v_slice) {
4171                         /* adjust for window's requested size increment */
4172                         remain = (win_g.w - w_base) % w_inc;
4173                         win_g.w -= remain;
4174                 }
4175
4176                 msize = win_g.w;
4177                 if (flip)
4178                         win_g.x += r_g.w - msize;
4179         } else {
4180                 msize = -2;
4181                 colno = split = winno / stacks;
4182                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
4183                     2 * border_width) / stacks);
4184         }
4185         hrh = r_g.h / colno;
4186         extra = r_g.h - (colno * hrh);
4187         win_g.h = hrh - 2 * border_width;
4188
4189         /*  stack all the tiled windows */
4190         i = j = 0, s = stacks;
4191         TAILQ_FOREACH(win, &ws->winlist, entry) {
4192                 if (win->transient || win->floating || win->iconic)
4193                         continue;
4194
4195                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4196                         fs_win = win;
4197                         continue;
4198                 }
4199
4200                 if (split && i == split) {
4201                         colno = (winno - mwin) / stacks;
4202                         if (s <= (winno - mwin) % stacks)
4203                                 colno++;
4204                         split = split + colno;
4205                         hrh = (r_g.h / colno);
4206                         extra = r_g.h - (colno * hrh);
4207                         if (flip)
4208                                 win_g.x = r_g.x;
4209                         else
4210                                 win_g.x += win_g.w + 2 * border_width +
4211                                     tile_gap;
4212                         win_g.w = (r_g.w - msize -
4213                             (stacks * (2 * border_width + tile_gap))) / stacks;
4214                         if (s == 1)
4215                                 win_g.w += (r_g.w - msize -
4216                                     (stacks * (2 * border_width + tile_gap))) %
4217                                     stacks;
4218                         s--;
4219                         j = 0;
4220                 }
4221
4222                 win_g.h = hrh - 2 * border_width - tile_gap;
4223
4224                 if (rot) {
4225                         h_inc = win->sh.width_inc;
4226                         h_base = win->sh.base_width;
4227                 } else {
4228                         h_inc = win->sh.height_inc;
4229                         h_base = win->sh.base_height;
4230                 }
4231
4232                 if (j == colno - 1) {
4233                         win_g.h = hrh + extra;
4234                 } else if (h_inc > 1 && h_inc < h_slice) {
4235                         /* adjust for window's requested size increment */
4236                         remain = (win_g.h - h_base) % h_inc;
4237                         missing = h_inc - remain;
4238
4239                         if (missing <= extra || j == 0) {
4240                                 extra -= missing;
4241                                 win_g.h += missing;
4242                         } else {
4243                                 win_g.h -= remain;
4244                                 extra += remain;
4245                         }
4246                 }
4247
4248                 if (j == 0)
4249                         win_g.y = r_g.y;
4250                 else
4251                         win_g.y += last_h + 2 * border_width + tile_gap;
4252
4253                 if (disable_border && !(bar_enabled && ws->bar_enabled) &&
4254                     winno == 1){
4255                         bordered = 0;
4256                         win_g.w += 2 * border_width;
4257                         win_g.h += 2 * border_width;
4258                 } else {
4259                         bordered = 1;
4260                 }
4261
4262                 if (rot) {
4263                         if (X(win) != win_g.y || Y(win) != win_g.x ||
4264                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
4265                                 reconfigure = 1;
4266                                 X(win) = win_g.y;
4267                                 Y(win) = win_g.x;
4268                                 WIDTH(win) = win_g.h;
4269                                 HEIGHT(win) = win_g.w;
4270                         }
4271                 } else {
4272                         if (X(win) != win_g.x || Y(win) != win_g.y ||
4273                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
4274                                 reconfigure = 1;
4275                                 X(win) = win_g.x;
4276                                 Y(win) = win_g.y;
4277                                 WIDTH(win) = win_g.w;
4278                                 HEIGHT(win) = win_g.h;
4279                         }
4280                 }
4281
4282                 if (bordered != win->bordered) {
4283                         reconfigure = 1;
4284                         win->bordered = bordered;
4285                 }
4286
4287                 if (reconfigure) {
4288                         adjust_font(win);
4289                         update_window(win);
4290                 }
4291
4292                 map_window(win);
4293
4294                 last_h = win_g.h;
4295                 i++;
4296                 j++;
4297         }
4298
4299 notiles:
4300         /* now, stack all the floaters and transients */
4301         TAILQ_FOREACH(win, &ws->winlist, entry) {
4302                 if (!win->transient && !win->floating)
4303                         continue;
4304                 if (win->iconic)
4305                         continue;
4306                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4307                         fs_win = win;
4308                         continue;
4309                 }
4310
4311                 stack_floater(win, ws->r);
4312                 map_window(win);
4313         }
4314
4315         /* Make sure fs_win is stacked last so it's on top. */
4316         if (fs_win) {
4317                 stack_floater(fs_win, ws->r);
4318                 map_window(fs_win);
4319         }
4320 }
4321
4322 void
4323 vertical_config(struct workspace *ws, int id)
4324 {
4325         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
4326             id, ws->idx);
4327
4328         switch (id) {
4329         case SWM_ARG_ID_STACKRESET:
4330         case SWM_ARG_ID_STACKINIT:
4331                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
4332                 ws->l_state.vertical_mwin = 1;
4333                 ws->l_state.vertical_stacks = 1;
4334                 break;
4335         case SWM_ARG_ID_MASTERSHRINK:
4336                 if (ws->l_state.vertical_msize > 1)
4337                         ws->l_state.vertical_msize--;
4338                 break;
4339         case SWM_ARG_ID_MASTERGROW:
4340                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
4341                         ws->l_state.vertical_msize++;
4342                 break;
4343         case SWM_ARG_ID_MASTERADD:
4344                 ws->l_state.vertical_mwin++;
4345                 break;
4346         case SWM_ARG_ID_MASTERDEL:
4347                 if (ws->l_state.vertical_mwin > 0)
4348                         ws->l_state.vertical_mwin--;
4349                 break;
4350         case SWM_ARG_ID_STACKINC:
4351                 ws->l_state.vertical_stacks++;
4352                 break;
4353         case SWM_ARG_ID_STACKDEC:
4354                 if (ws->l_state.vertical_stacks > 1)
4355                         ws->l_state.vertical_stacks--;
4356                 break;
4357         case SWM_ARG_ID_FLIPLAYOUT:
4358                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
4359                 break;
4360         default:
4361                 return;
4362         }
4363 }
4364
4365 void
4366 vertical_stack(struct workspace *ws, struct swm_geometry *g)
4367 {
4368         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
4369
4370         stack_master(ws, g, 0, ws->l_state.vertical_flip);
4371 }
4372
4373 void
4374 horizontal_config(struct workspace *ws, int id)
4375 {
4376         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
4377
4378         switch (id) {
4379         case SWM_ARG_ID_STACKRESET:
4380         case SWM_ARG_ID_STACKINIT:
4381                 ws->l_state.horizontal_mwin = 1;
4382                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
4383                 ws->l_state.horizontal_stacks = 1;
4384                 break;
4385         case SWM_ARG_ID_MASTERSHRINK:
4386                 if (ws->l_state.horizontal_msize > 1)
4387                         ws->l_state.horizontal_msize--;
4388                 break;
4389         case SWM_ARG_ID_MASTERGROW:
4390                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
4391                         ws->l_state.horizontal_msize++;
4392                 break;
4393         case SWM_ARG_ID_MASTERADD:
4394                 ws->l_state.horizontal_mwin++;
4395                 break;
4396         case SWM_ARG_ID_MASTERDEL:
4397                 if (ws->l_state.horizontal_mwin > 0)
4398                         ws->l_state.horizontal_mwin--;
4399                 break;
4400         case SWM_ARG_ID_STACKINC:
4401                 ws->l_state.horizontal_stacks++;
4402                 break;
4403         case SWM_ARG_ID_STACKDEC:
4404                 if (ws->l_state.horizontal_stacks > 1)
4405                         ws->l_state.horizontal_stacks--;
4406                 break;
4407         case SWM_ARG_ID_FLIPLAYOUT:
4408                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
4409                 break;
4410         default:
4411                 return;
4412         }
4413 }
4414
4415 void
4416 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
4417 {
4418         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
4419
4420         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
4421 }
4422
4423 /* fullscreen view */
4424 void
4425 max_stack(struct workspace *ws, struct swm_geometry *g)
4426 {
4427         struct swm_geometry     gg = *g;
4428         struct ws_win           *w, *win = NULL, *parent = NULL;
4429         int                     winno, num_screens;
4430
4431         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
4432
4433         if (ws == NULL)
4434                 return;
4435
4436         winno = count_win(ws, 0);
4437         if (winno == 0 && count_win(ws, 1) == 0)
4438                 return;
4439
4440         /* Figure out which top level window should be visible. */
4441         if (ws->focus_pending)
4442                 win = ws->focus_pending;
4443         else if (ws->focus)
4444                 win = ws->focus;
4445         else
4446                 win = TAILQ_FIRST(&ws->winlist);
4447
4448         if (win->transient)
4449                 parent = find_window(win->transient);
4450
4451         DNPRINTF(SWM_D_STACK, "max_stack: win: 0x%x\n", win->id);
4452
4453         /* maximize all top level windows */
4454         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
4455         TAILQ_FOREACH(w, &ws->winlist, entry) {
4456                 if (w->transient || w->iconic)
4457                         continue;
4458
4459                 if (w->floating && !w->floatmaxed) {
4460                         /*
4461                          * retain geometry for retrieval on exit from
4462                          * max_stack mode
4463                          */
4464                         store_float_geom(w, ws->r);
4465                         w->floatmaxed = 1;
4466                 }
4467
4468                 /* only reconfigure if necessary */
4469                 if (X(w) != gg.x || Y(w) != gg.y || WIDTH(w) != gg.w ||
4470                     HEIGHT(w) != gg.h) {
4471                         w->g = gg;
4472                         if (bar_enabled && ws->bar_enabled){
4473                                 w->bordered = 1;
4474                         } else {
4475                                 w->bordered = 0;
4476                                 WIDTH(w) += 2 * border_width;
4477                                 HEIGHT(w) += 2 * border_width;
4478                         }
4479
4480                         update_window(w);
4481                 }
4482
4483                 /* Unmap unwanted windows if not multi-screen. */
4484                 if (num_screens <= 1 && outputs <= 1 && w != win &&
4485                     w != parent && w->transient != win->id)
4486                         unmap_window(w);
4487         }
4488
4489         /* If a parent exists, map it first. */
4490         if (parent) {
4491                 map_window(parent);
4492
4493                 /* Map siblings next. */
4494                 TAILQ_FOREACH(w, &ws->winlist, entry)
4495                         if (w != win && !w->iconic &&
4496                             w->transient == parent->id) {
4497                                 stack_floater(w, ws->r);
4498                                 map_window(w);
4499                         }
4500         }
4501
4502         /* Map focused window. */
4503         map_window(win);
4504
4505         /* Finally, map children of focus window. */
4506         TAILQ_FOREACH(w, &ws->winlist, entry)
4507                 if (w->transient == win->id && !w->iconic) {
4508                         stack_floater(w, ws->r);
4509                         map_window(w);
4510                 }
4511 }
4512
4513 void
4514 send_to_rg(struct swm_region *r, union arg *args)
4515 {
4516         int                     ridx = args->id, i, num_screens;
4517         struct swm_region       *rr = NULL;
4518         union arg               a;
4519
4520         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
4521         /* do nothing if we don't have more than one screen */
4522         if (!(num_screens > 1 || outputs > 1))
4523                 return;
4524
4525         DNPRINTF(SWM_D_FOCUS, "send_to_rg: id: %d\n", ridx);
4526
4527         rr = TAILQ_FIRST(&r->s->rl);
4528         for (i = 0; i < ridx; ++i)
4529                 rr = TAILQ_NEXT(rr, entry);
4530
4531         if (rr == NULL)
4532                 return;
4533
4534         a.id = rr->ws->idx;
4535
4536         send_to_ws(r, &a);
4537 }
4538
4539 void
4540 send_to_ws(struct swm_region *r, union arg *args)
4541 {
4542         int                     wsid = args->id;
4543         struct ws_win           *win = NULL, *parent;
4544         struct workspace        *ws, *nws, *pws;
4545         char                    ws_idx_str[SWM_PROPLEN];
4546
4547         if (wsid >= workspace_limit)
4548                 return;
4549
4550         if (r && r->ws && r->ws->focus)
4551                 win = r->ws->focus;
4552         else
4553                 return;
4554
4555         if (win->ws->idx == wsid)
4556                 return;
4557
4558         DNPRINTF(SWM_D_MOVE, "send_to_ws: win 0x%x, ws %d -> %d\n", win->id,
4559             win->ws->idx, wsid);
4560
4561         ws = win->ws;
4562         nws = &win->s->ws[wsid];
4563
4564         /* Update the window's workspace property: _SWM_WS */
4565         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
4566                 if (focus_mode != SWM_FOCUS_FOLLOW)
4567                         ws->focus_pending = get_focus_prev(win);
4568
4569                 /* Move the parent if this is a transient window. */
4570                 if (win->transient) {
4571                         parent = find_window(win->transient);
4572                         if (parent) {
4573                                 pws = parent->ws;
4574                                 /* Set new focus in parent's ws if needed. */
4575                                 if (pws->focus == parent) {
4576                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4577                                                 pws->focus_pending =
4578                                                     get_focus_prev(parent);
4579
4580                                         unfocus_win(parent);
4581
4582                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4583                                                 pws->focus = pws->focus_pending;
4584
4585                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4586                                                 pws->focus_pending = NULL;
4587                                 }
4588
4589                                 /* Don't unmap parent if new ws is visible */
4590                                 if (nws->r == NULL)
4591                                         unmap_window(parent);
4592
4593                                 /* Transfer */
4594                                 TAILQ_REMOVE(&ws->winlist, parent, entry);
4595                                 TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
4596                                 parent->ws = nws;
4597
4598                                 DNPRINTF(SWM_D_PROP, "send_to_ws: set "
4599                                     "property: _SWM_WS: %s\n", ws_idx_str);
4600                                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE,
4601                                     parent->id, a_swm_ws, XCB_ATOM_STRING, 8,
4602                                     strlen(ws_idx_str), ws_idx_str);
4603                         }
4604                 }
4605
4606                 unfocus_win(win);
4607
4608                 /* Don't unmap if new ws is visible */
4609                 if (nws->r == NULL)
4610                         unmap_window(win);
4611
4612                 /* Transfer */
4613                 TAILQ_REMOVE(&ws->winlist, win, entry);
4614                 TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
4615                 win->ws = nws;
4616
4617                 /* Set focus on new ws. */
4618                 unfocus_win(nws->focus);
4619                 nws->focus = win;
4620
4621                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
4622                     ws_idx_str);
4623                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
4624                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
4625                     ws_idx_str);
4626
4627                 /* Restack and set new focus. */
4628                 stack();
4629
4630                 if (focus_mode != SWM_FOCUS_FOLLOW) {
4631                         focus_win(ws->focus_pending);
4632                         ws->focus_pending = NULL;
4633                 }
4634
4635                 focus_flush();
4636         }
4637
4638         DNPRINTF(SWM_D_MOVE, "send_to_ws: done.\n");
4639 }
4640
4641 void
4642 pressbutton(struct swm_region *r, union arg *args)
4643 {
4644         /* suppress unused warning since var is needed */
4645         (void)r;
4646
4647         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
4648             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4649         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
4650             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4651 }
4652
4653 void
4654 raise_toggle(struct swm_region *r, union arg *args)
4655 {
4656         /* suppress unused warning since var is needed */
4657         (void)args;
4658
4659         if (r == NULL || r->ws == NULL)
4660                 return;
4661
4662         r->ws->always_raise = !r->ws->always_raise;
4663
4664         /* bring floaters back to top */
4665         if (!r->ws->always_raise)
4666                 stack();
4667
4668         focus_flush();
4669 }
4670
4671 void
4672 iconify(struct swm_region *r, union arg *args)
4673 {
4674         /* suppress unused warning since var is needed */
4675         (void)args;
4676
4677         if (r->ws->focus == NULL)
4678                 return;
4679
4680         set_swm_iconic(r->ws->focus, 1);
4681
4682         xcb_flush(conn);
4683 }
4684
4685 char *
4686 get_win_name(xcb_window_t win)
4687 {
4688         char                            *name = NULL;
4689         xcb_get_property_cookie_t       c;
4690         xcb_get_property_reply_t        *r;
4691
4692         /* First try _NET_WM_NAME for UTF-8. */
4693         c = xcb_get_property(conn, 0, win, a_netwmname,
4694             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4695         r = xcb_get_property_reply(conn, c, NULL);
4696
4697         if (r) {
4698                 if (r->type == XCB_NONE) {
4699                         free(r);
4700                         /* Use WM_NAME instead; no UTF-8. */
4701                         c = xcb_get_property(conn, 0, win, XCB_ATOM_WM_NAME,
4702                                 XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4703                         r = xcb_get_property_reply(conn, c, NULL);
4704
4705                         if (!r)
4706                                 return (NULL);
4707                         if (r->type == XCB_NONE) {
4708                                 free(r);
4709                                 return (NULL);
4710                         }
4711                 }
4712                 if (r->length > 0)
4713                         name = strndup(xcb_get_property_value(r),
4714                                    xcb_get_property_value_length(r));
4715
4716                 free(r);
4717         }
4718
4719         return (name);
4720 }
4721
4722 void
4723 uniconify(struct swm_region *r, union arg *args)
4724 {
4725         struct ws_win           *win;
4726         FILE                    *lfile;
4727         char                    *name;
4728         int                     count = 0;
4729
4730         DNPRINTF(SWM_D_MISC, "uniconify\n");
4731
4732         if (r == NULL || r->ws == NULL)
4733                 return;
4734
4735         /* make sure we have anything to uniconify */
4736         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4737                 if (win->ws == NULL)
4738                         continue; /* should never happen */
4739                 if (!win->iconic)
4740                         continue;
4741                 count++;
4742         }
4743         if (count == 0)
4744                 return;
4745
4746         search_r = r;
4747         search_resp_action = SWM_SEARCH_UNICONIFY;
4748
4749         spawn_select(r, args, "search", &searchpid);
4750
4751         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4752                 return;
4753
4754         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4755                 if (win->ws == NULL)
4756                         continue; /* should never happen */
4757                 if (!win->iconic)
4758                         continue;
4759
4760                 name = get_win_name(win->id);
4761                 if (name == NULL)
4762                         continue;
4763                 fprintf(lfile, "%s.%u\n", name, win->id);
4764                 free(name);
4765         }
4766
4767         fclose(lfile);
4768 }
4769
4770 void
4771 name_workspace(struct swm_region *r, union arg *args)
4772 {
4773         FILE                    *lfile;
4774
4775         DNPRINTF(SWM_D_MISC, "name_workspace\n");
4776
4777         if (r == NULL)
4778                 return;
4779
4780         search_r = r;
4781         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
4782
4783         spawn_select(r, args, "name_workspace", &searchpid);
4784
4785         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4786                 return;
4787
4788         fprintf(lfile, "%s", "");
4789         fclose(lfile);
4790 }
4791
4792 void
4793 search_workspace(struct swm_region *r, union arg *args)
4794 {
4795         int                     i;
4796         struct workspace        *ws;
4797         FILE                    *lfile;
4798
4799         DNPRINTF(SWM_D_MISC, "search_workspace\n");
4800
4801         if (r == NULL)
4802                 return;
4803
4804         search_r = r;
4805         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
4806
4807         spawn_select(r, args, "search", &searchpid);
4808
4809         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4810                 return;
4811
4812         for (i = 0; i < workspace_limit; i++) {
4813                 ws = &r->s->ws[i];
4814                 if (ws == NULL)
4815                         continue;
4816                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
4817                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
4818         }
4819
4820         fclose(lfile);
4821 }
4822
4823 void
4824 search_win_cleanup(void)
4825 {
4826         struct search_window    *sw = NULL;
4827
4828         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
4829                 xcb_destroy_window(conn, sw->indicator);
4830                 TAILQ_REMOVE(&search_wl, sw, entry);
4831                 free(sw);
4832         }
4833 }
4834
4835 void
4836 search_win(struct swm_region *r, union arg *args)
4837 {
4838         struct ws_win           *win = NULL;
4839         struct search_window    *sw = NULL;
4840         xcb_window_t            w;
4841         uint32_t                wa[2];
4842         int                     i, width, height;
4843         char                    s[8];
4844         FILE                    *lfile;
4845         size_t                  len;
4846         XftDraw                 *draw;
4847         XGlyphInfo              info;
4848         GC                      l_draw;
4849         XGCValues               l_gcv;
4850         XRectangle              l_ibox, l_lbox;
4851
4852         DNPRINTF(SWM_D_MISC, "search_win\n");
4853
4854         search_r = r;
4855         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
4856
4857         spawn_select(r, args, "search", &searchpid);
4858
4859         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4860                 return;
4861
4862         TAILQ_INIT(&search_wl);
4863
4864         i = 1;
4865         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4866                 if (win->iconic)
4867                         continue;
4868
4869                 sw = calloc(1, sizeof(struct search_window));
4870                 if (sw == NULL) {
4871                         warn("search_win: calloc");
4872                         fclose(lfile);
4873                         search_win_cleanup();
4874                         return;
4875                 }
4876                 sw->idx = i;
4877                 sw->win = win;
4878
4879                 snprintf(s, sizeof s, "%d", i);
4880                 len = strlen(s);
4881
4882                 w = xcb_generate_id(conn);
4883                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
4884                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].pixel;
4885
4886                 if (bar_font_legacy) {
4887                         XmbTextExtents(bar_fs, s, len, &l_ibox, &l_lbox);
4888                         width = l_lbox.width + 4;
4889                         height = bar_fs_extents->max_logical_extent.height + 4;
4890                 } else {
4891                         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len,
4892                             &info);
4893                         width = info.width + 4;
4894                         height = bar_font->height + 4;
4895                 }
4896
4897                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
4898                     width, height, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
4899                     XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL |
4900                     XCB_CW_BORDER_PIXEL, wa);
4901
4902                 xcb_map_window(conn, w);
4903
4904                 sw->indicator = w;
4905                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
4906
4907                 if (bar_font_legacy) {
4908                         l_gcv.graphics_exposures = 0;
4909                         l_draw = XCreateGC(display, w, 0, &l_gcv);
4910
4911                         XSetForeground(display, l_draw,
4912                                 r->s->c[SWM_S_COLOR_BAR].pixel);
4913
4914                         DRAWSTRING(display, w, bar_fs, l_draw, 2,
4915                             (bar_fs_extents->max_logical_extent.height -
4916                             l_lbox.height) / 2 - l_lbox.y, s, len);
4917
4918                         XFreeGC(display, l_draw);
4919                 } else {
4920
4921                         draw = XftDrawCreate(display, w,
4922                             DefaultVisual(display, r->s->idx),
4923                             DefaultColormap(display, r->s->idx));
4924
4925                         XftDrawStringUtf8(draw, &bar_font_color, bar_font, 2,
4926                             (HEIGHT(r->bar) + bar_font->height) / 2 -
4927                             bar_font->descent, (FcChar8 *)s, len);
4928
4929                         XftDrawDestroy(draw);
4930                 }
4931
4932                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
4933
4934                 fprintf(lfile, "%d\n", i);
4935                 i++;
4936         }
4937
4938         fclose(lfile);
4939
4940         xcb_flush(conn);
4941 }
4942
4943 void
4944 search_resp_uniconify(const char *resp, unsigned long len)
4945 {
4946         char                    *name;
4947         struct ws_win           *win;
4948         char                    *s;
4949
4950         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
4951
4952         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
4953                 if (!win->iconic)
4954                         continue;
4955                 name = get_win_name(win->id);
4956                 if (name == NULL)
4957                         continue;
4958                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
4959                         free(name);
4960                         continue;
4961                 }
4962                 free(name);
4963                 if (strncmp(s, resp, len) == 0) {
4964                         /* XXX this should be a callback to generalize */
4965                         set_swm_iconic(win, 0);
4966                         free(s);
4967                         break;
4968                 }
4969                 free(s);
4970         }
4971 }
4972
4973 void
4974 search_resp_name_workspace(const char *resp, unsigned long len)
4975 {
4976         struct workspace        *ws;
4977
4978         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
4979
4980         if (search_r->ws == NULL)
4981                 return;
4982         ws = search_r->ws;
4983
4984         if (ws->name) {
4985                 free(search_r->ws->name);
4986                 search_r->ws->name = NULL;
4987         }
4988
4989         if (len > 1) {
4990                 ws->name = strdup(resp);
4991                 if (ws->name == NULL) {
4992                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
4993                             "strdup: %s", strerror(errno));
4994                         return;
4995                 }
4996         }
4997 }
4998
4999 void
5000 search_resp_search_workspace(const char *resp)
5001 {
5002         char                    *p, *q;
5003         int                     ws_idx;
5004         const char              *errstr;
5005         union arg               a;
5006
5007         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
5008
5009         q = strdup(resp);
5010         if (!q) {
5011                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
5012                     strerror(errno));
5013                 return;
5014         }
5015         p = strchr(q, ':');
5016         if (p != NULL)
5017                 *p = '\0';
5018         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
5019         if (errstr) {
5020                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
5021                     errstr, q);
5022                 free(q);
5023                 return;
5024         }
5025         free(q);
5026         a.id = ws_idx - 1;
5027         switchws(search_r, &a);
5028 }
5029
5030 void
5031 search_resp_search_window(const char *resp)
5032 {
5033         char                    *s;
5034         int                     idx;
5035         const char              *errstr;
5036         struct search_window    *sw;
5037
5038         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
5039
5040         s = strdup(resp);
5041         if (!s) {
5042                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
5043                     strerror(errno));
5044                 return;
5045         }
5046
5047         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
5048         if (errstr) {
5049                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
5050                     errstr, s);
5051                 free(s);
5052                 return;
5053         }
5054         free(s);
5055
5056         TAILQ_FOREACH(sw, &search_wl, entry)
5057                 if (idx == sw->idx) {
5058                         focus_win(sw->win);
5059                         break;
5060                 }
5061 }
5062
5063 #define MAX_RESP_LEN    1024
5064
5065 void
5066 search_do_resp(void)
5067 {
5068         ssize_t                 rbytes;
5069         char                    *resp;
5070         unsigned long           len;
5071
5072         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
5073
5074         search_resp = 0;
5075         searchpid = 0;
5076
5077         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
5078                 warn("search: calloc");
5079                 goto done;
5080         }
5081
5082         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
5083         if (rbytes <= 0) {
5084                 warn("search: read error");
5085                 goto done;
5086         }
5087         resp[rbytes] = '\0';
5088
5089         /* XXX:
5090          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
5091          * newline, so work around that by sanitizing the resp now.
5092          */
5093         resp[strcspn(resp, "\n")] = '\0';
5094         len = strlen(resp);
5095
5096         switch (search_resp_action) {
5097         case SWM_SEARCH_UNICONIFY:
5098                 search_resp_uniconify(resp, len);
5099                 break;
5100         case SWM_SEARCH_NAME_WORKSPACE:
5101                 search_resp_name_workspace(resp, len);
5102                 break;
5103         case SWM_SEARCH_SEARCH_WORKSPACE:
5104                 search_resp_search_workspace(resp);
5105                 break;
5106         case SWM_SEARCH_SEARCH_WINDOW:
5107                 search_resp_search_window(resp);
5108                 break;
5109         }
5110
5111 done:
5112         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
5113                 search_win_cleanup();
5114
5115         search_resp_action = SWM_SEARCH_NONE;
5116         close(select_resp_pipe[0]);
5117         free(resp);
5118
5119         xcb_flush(conn);
5120 }
5121
5122 void
5123 wkill(struct swm_region *r, union arg *args)
5124 {
5125         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
5126
5127         if (r->ws->focus == NULL)
5128                 return;
5129
5130         if (args->id == SWM_ARG_ID_KILLWINDOW)
5131                 xcb_kill_client(conn, r->ws->focus->id);
5132         else
5133                 if (r->ws->focus->can_delete)
5134                         client_msg(r->ws->focus, a_delete, 0);
5135
5136         focus_flush();
5137 }
5138
5139 int
5140 floating_toggle_win(struct ws_win *win)
5141 {
5142         struct swm_region       *r;
5143
5144         if (win == NULL)
5145                 return (0);
5146
5147         if (!win->ws->r)
5148                 return (0);
5149
5150         r = win->ws->r;
5151
5152         /* reject floating toggles in max stack mode */
5153         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
5154                 return (0);
5155
5156         if (win->floating) {
5157                 if (!win->floatmaxed) {
5158                         /* retain position for refloat */
5159                         store_float_geom(win, r);
5160                 }
5161                 win->floating = 0;
5162         } else {
5163                 load_float_geom(win, r);
5164                 win->floating = 1;
5165         }
5166
5167         ewmh_update_actions(win);
5168
5169         return (1);
5170 }
5171
5172 void
5173 floating_toggle(struct swm_region *r, union arg *args)
5174 {
5175         struct ws_win           *win = r->ws->focus;
5176
5177         /* suppress unused warning since var is needed */
5178         (void)args;
5179
5180         if (win == NULL)
5181                 return;
5182
5183         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5184                 return;
5185
5186         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5187             _NET_WM_STATE_TOGGLE);
5188
5189         stack();
5190
5191         if (win == win->ws->focus)
5192                 focus_win(win);
5193
5194         focus_flush();
5195 }
5196
5197 void
5198 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
5199 {
5200         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
5201                 if (resizable)
5202                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
5203                 else
5204                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
5205         }
5206
5207         if (X(win) + BORDER(win) < X(r)) {
5208                 if (resizable)
5209                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
5210
5211                 X(win) = X(r) - BORDER(win);
5212         }
5213
5214         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
5215                 if (resizable)
5216                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
5217                 else
5218                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
5219         }
5220
5221         if (Y(win) + BORDER(win) < Y(r)) {
5222                 if (resizable)
5223                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
5224
5225                 Y(win) = Y(r) - BORDER(win);
5226         }
5227
5228         if (resizable) {
5229                 if (WIDTH(win) < 1)
5230                         WIDTH(win) = 1;
5231                 if (HEIGHT(win) < 1)
5232                         HEIGHT(win) = 1;
5233         }
5234 }
5235
5236 void
5237 update_window(struct ws_win *win)
5238 {
5239         uint16_t        mask;
5240         uint32_t        wc[5];
5241
5242         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
5243             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
5244             XCB_CONFIG_WINDOW_BORDER_WIDTH;
5245         wc[0] = X(win);
5246         wc[1] = Y(win);
5247         wc[2] = WIDTH(win);
5248         wc[3] = HEIGHT(win);
5249         wc[4] = BORDER(win);
5250
5251         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
5252             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
5253             wc[3], YESNO(win->bordered));
5254
5255         xcb_configure_window(conn, win->id, mask, wc);
5256 }
5257
5258 #define SWM_RESIZE_STEPS        (50)
5259
5260 void
5261 resize(struct ws_win *win, union arg *args)
5262 {
5263         xcb_timestamp_t         timestamp = 0;
5264         struct swm_region       *r = NULL;
5265         int                     resize_stp = 0;
5266         struct swm_geometry     g;
5267         int                     top = 0, left = 0, resizing;
5268         int                     dx, dy;
5269         xcb_cursor_t                    cursor;
5270         xcb_query_pointer_reply_t       *xpr;
5271         xcb_generic_event_t             *evt;
5272         xcb_motion_notify_event_t       *mne;
5273
5274         if (win == NULL)
5275                 return;
5276         r = win->ws->r;
5277
5278         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5279                 return;
5280
5281         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
5282             "transient: 0x%x\n", win->id, YESNO(win->floating),
5283             win->transient);
5284
5285         if (!win->transient && !win->floating)
5286                 return;
5287
5288         /* reject resizes in max mode for floaters (transient ok) */
5289         if (win->floatmaxed)
5290                 return;
5291
5292         win->manual = 1;
5293         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5294             _NET_WM_STATE_ADD);
5295
5296         stack();
5297
5298         focus_flush();
5299
5300         switch (args->id) {
5301         case SWM_ARG_ID_WIDTHSHRINK:
5302                 WIDTH(win) -= SWM_RESIZE_STEPS;
5303                 resize_stp = 1;
5304                 break;
5305         case SWM_ARG_ID_WIDTHGROW:
5306                 WIDTH(win) += SWM_RESIZE_STEPS;
5307                 resize_stp = 1;
5308                 break;
5309         case SWM_ARG_ID_HEIGHTSHRINK:
5310                 HEIGHT(win) -= SWM_RESIZE_STEPS;
5311                 resize_stp = 1;
5312                 break;
5313         case SWM_ARG_ID_HEIGHTGROW:
5314                 HEIGHT(win) += SWM_RESIZE_STEPS;
5315                 resize_stp = 1;
5316                 break;
5317         default:
5318                 break;
5319         }
5320         if (resize_stp) {
5321                 constrain_window(win, r, 1);
5322                 update_window(win);
5323                 store_float_geom(win,r);
5324                 return;
5325         }
5326
5327         /* get cursor offset from window root */
5328         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5329             NULL);
5330         if (!xpr)
5331                 return;
5332
5333         g = win->g;
5334
5335         if (xpr->win_x < WIDTH(win) / 2)
5336                 left = 1;
5337
5338         if (xpr->win_y < HEIGHT(win) / 2)
5339                 top = 1;
5340
5341         if (args->id == SWM_ARG_ID_CENTER)
5342                 cursor = cursors[XC_SIZING].cid;
5343         else if (top)
5344                 cursor = cursors[left ? XC_TOP_LEFT_CORNER :
5345                     XC_TOP_RIGHT_CORNER].cid;
5346         else
5347                 cursor = cursors[left ? XC_BOTTOM_LEFT_CORNER :
5348                     XC_BOTTOM_RIGHT_CORNER].cid;
5349
5350         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5351             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
5352             XCB_CURRENT_TIME),
5353
5354         xcb_flush(conn);
5355         resizing = 1;
5356         while ((evt = xcb_wait_for_event(conn)) && resizing) {
5357                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5358                 case XCB_BUTTON_RELEASE:
5359                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
5360                         resizing = 0;
5361                         break;
5362                 case XCB_MOTION_NOTIFY:
5363                         mne = (xcb_motion_notify_event_t *)evt;
5364                         /* cursor offset/delta from start of the operation */
5365                         dx = mne->root_x - xpr->root_x;
5366                         dy = mne->root_y - xpr->root_y;
5367
5368                         /* vertical */
5369                         if (top)
5370                                 dy = -dy;
5371
5372                         if (args->id == SWM_ARG_ID_CENTER) {
5373                                 if (g.h / 2 + dy < 1)
5374                                         dy = 1 - g.h / 2;
5375
5376                                 Y(win) = g.y - dy;
5377                                 HEIGHT(win) = g.h + 2 * dy;
5378                         } else {
5379                                 if (g.h + dy < 1)
5380                                         dy = 1 - g.h;
5381
5382                                 if (top)
5383                                         Y(win) = g.y - dy;
5384
5385                                 HEIGHT(win) = g.h + dy;
5386                         }
5387
5388                         /* horizontal */
5389                         if (left)
5390                                 dx = -dx;
5391
5392                         if (args->id == SWM_ARG_ID_CENTER) {
5393                                 if (g.w / 2 + dx < 1)
5394                                         dx = 1 - g.w / 2;
5395
5396                                 X(win) = g.x - dx;
5397                                 WIDTH(win) = g.w + 2 * dx;
5398                         } else {
5399                                 if (g.w + dx < 1)
5400                                         dx = 1 - g.w;
5401
5402                                 if (left)
5403                                         X(win) = g.x - dx;
5404
5405                                 WIDTH(win) = g.w + dx;
5406                         }
5407
5408                         constrain_window(win, r, 1);
5409
5410                         /* not free, don't sync more than 120 times / second */
5411                         if ((mne->time - timestamp) > (1000 / 120) ) {
5412                                 timestamp = mne->time;
5413                                 update_window(win);
5414                                 xcb_flush(conn);
5415                         }
5416                         break;
5417                 default:
5418                         event_handle(evt);
5419                         break;
5420                 }
5421                 free(evt);
5422         }
5423         if (timestamp) {
5424                 update_window(win);
5425                 xcb_flush(conn);
5426         }
5427         store_float_geom(win,r);
5428
5429         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5430         free(xpr);
5431         DNPRINTF(SWM_D_EVENT, "resize: done.\n");
5432 }
5433
5434 void
5435 resize_step(struct swm_region *r, union arg *args)
5436 {
5437         struct ws_win           *win = NULL;
5438
5439         if (r && r->ws && r->ws->focus)
5440                 win = r->ws->focus;
5441         else
5442                 return;
5443
5444         resize(win, args);
5445         focus_flush();
5446 }
5447
5448 #define SWM_MOVE_STEPS  (50)
5449
5450 void
5451 move(struct ws_win *win, union arg *args)
5452 {
5453         xcb_timestamp_t         timestamp = 0;
5454         int                     move_stp = 0, moving;
5455         struct swm_region       *r = NULL;
5456         xcb_query_pointer_reply_t       *qpr;
5457         xcb_generic_event_t             *evt;
5458         xcb_motion_notify_event_t       *mne;
5459
5460         if (win == NULL)
5461                 return;
5462         r = win->ws->r;
5463
5464         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5465                 return;
5466
5467         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
5468             "0x%x\n", win->id, YESNO(win->floating), win->transient);
5469
5470         /* in max_stack mode should only move transients */
5471         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
5472                 return;
5473
5474         win->manual = 1;
5475         if (!win->floating && !win->transient) {
5476                 store_float_geom(win, r);
5477                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5478                     _NET_WM_STATE_ADD);
5479         }
5480         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5481             _NET_WM_STATE_ADD);
5482
5483         stack();
5484
5485         focus_flush();
5486
5487         move_stp = 0;
5488         switch (args->id) {
5489         case SWM_ARG_ID_MOVELEFT:
5490                 X(win) -= (SWM_MOVE_STEPS - border_width);
5491                 move_stp = 1;
5492                 break;
5493         case SWM_ARG_ID_MOVERIGHT:
5494                 X(win) += (SWM_MOVE_STEPS - border_width);
5495                 move_stp = 1;
5496                 break;
5497         case SWM_ARG_ID_MOVEUP:
5498                 Y(win) -= (SWM_MOVE_STEPS - border_width);
5499                 move_stp = 1;
5500                 break;
5501         case SWM_ARG_ID_MOVEDOWN:
5502                 Y(win) += (SWM_MOVE_STEPS - border_width);
5503                 move_stp = 1;
5504                 break;
5505         default:
5506                 break;
5507         }
5508         if (move_stp) {
5509                 constrain_window(win, r, 0);
5510                 update_window(win);
5511                 store_float_geom(win, r);
5512                 return;
5513         }
5514
5515         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5516             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
5517             XCB_WINDOW_NONE, cursors[XC_FLEUR].cid, XCB_CURRENT_TIME);
5518
5519         /* get cursor offset from window root */
5520         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5521                 NULL);
5522         if (!qpr) {
5523                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5524                 return;
5525         }
5526
5527         xcb_flush(conn);
5528         moving = 1;
5529         while ((evt = xcb_wait_for_event(conn)) && moving) {
5530                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5531                 case XCB_BUTTON_RELEASE:
5532                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
5533                         moving = 0;
5534                         break;
5535                 case XCB_MOTION_NOTIFY:
5536                         mne = (xcb_motion_notify_event_t *)evt;
5537                         X(win) = mne->root_x - qpr->win_x - border_width;
5538                         Y(win) = mne->root_y - qpr->win_y - border_width;
5539
5540                         constrain_window(win, r, 0);
5541
5542                         /* not free, don't sync more than 120 times / second */
5543                         if ((mne->time - timestamp) > (1000 / 120) ) {
5544                                 timestamp = mne->time;
5545                                 update_window(win);
5546                                 xcb_flush(conn);
5547                         }
5548                         break;
5549                 default:
5550                         event_handle(evt);
5551                         break;
5552                 }
5553                 free(evt);
5554         }
5555         if (timestamp) {
5556                 update_window(win);
5557                 xcb_flush(conn);
5558         }
5559         store_float_geom(win, r);
5560         free(qpr);
5561         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5562         DNPRINTF(SWM_D_EVENT, "move: done.\n");
5563 }
5564
5565 void
5566 move_step(struct swm_region *r, union arg *args)
5567 {
5568         struct ws_win           *win = NULL;
5569
5570         if (r && r->ws && r->ws->focus)
5571                 win = r->ws->focus;
5572         else
5573                 return;
5574
5575         if (!win->transient && !win->floating)
5576                 return;
5577
5578         move(win, args);
5579         focus_flush();
5580 }
5581
5582 /* key definitions */
5583 struct keyfunc {
5584         char                    name[SWM_FUNCNAME_LEN];
5585         void                    (*func)(struct swm_region *r, union arg *);
5586         union arg               args;
5587 } keyfuncs[KF_INVALID + 1] = {
5588         /* name                 function        argument */
5589         { "bar_toggle",         bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE} },
5590         { "bar_toggle_ws",      bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE_WS} },
5591         { "button2",            pressbutton,    {2} },
5592         { "cycle_layout",       cycle_layout,   {0} },
5593         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
5594         { "float_toggle",       floating_toggle,{0} },
5595         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
5596         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
5597         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
5598         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
5599         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
5600         { "iconify",            iconify,        {0} },
5601         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
5602         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
5603         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
5604         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
5605         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
5606         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
5607         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
5608         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
5609         { "mvrg_1",             send_to_rg,     {.id = 0} },
5610         { "mvrg_2",             send_to_rg,     {.id = 1} },
5611         { "mvrg_3",             send_to_rg,     {.id = 2} },
5612         { "mvrg_4",             send_to_rg,     {.id = 3} },
5613         { "mvrg_5",             send_to_rg,     {.id = 4} },
5614         { "mvrg_6",             send_to_rg,     {.id = 5} },
5615         { "mvrg_7",             send_to_rg,     {.id = 6} },
5616         { "mvrg_8",             send_to_rg,     {.id = 7} },
5617         { "mvrg_9",             send_to_rg,     {.id = 8} },
5618         { "mvws_1",             send_to_ws,     {.id = 0} },
5619         { "mvws_2",             send_to_ws,     {.id = 1} },
5620         { "mvws_3",             send_to_ws,     {.id = 2} },
5621         { "mvws_4",             send_to_ws,     {.id = 3} },
5622         { "mvws_5",             send_to_ws,     {.id = 4} },
5623         { "mvws_6",             send_to_ws,     {.id = 5} },
5624         { "mvws_7",             send_to_ws,     {.id = 6} },
5625         { "mvws_8",             send_to_ws,     {.id = 7} },
5626         { "mvws_9",             send_to_ws,     {.id = 8} },
5627         { "mvws_10",            send_to_ws,     {.id = 9} },
5628         { "mvws_11",            send_to_ws,     {.id = 10} },
5629         { "mvws_12",            send_to_ws,     {.id = 11} },
5630         { "mvws_13",            send_to_ws,     {.id = 12} },
5631         { "mvws_14",            send_to_ws,     {.id = 13} },
5632         { "mvws_15",            send_to_ws,     {.id = 14} },
5633         { "mvws_16",            send_to_ws,     {.id = 15} },
5634         { "mvws_17",            send_to_ws,     {.id = 16} },
5635         { "mvws_18",            send_to_ws,     {.id = 17} },
5636         { "mvws_19",            send_to_ws,     {.id = 18} },
5637         { "mvws_20",            send_to_ws,     {.id = 19} },
5638         { "mvws_21",            send_to_ws,     {.id = 20} },
5639         { "mvws_22",            send_to_ws,     {.id = 21} },
5640         { "name_workspace",     name_workspace, {0} },
5641         { "quit",               quit,           {0} },
5642         { "raise_toggle",       raise_toggle,   {0} },
5643         { "restart",            restart,        {0} },
5644         { "rg_1",               focusrg,        {.id = 0} },
5645         { "rg_2",               focusrg,        {.id = 1} },
5646         { "rg_3",               focusrg,        {.id = 2} },
5647         { "rg_4",               focusrg,        {.id = 3} },
5648         { "rg_5",               focusrg,        {.id = 4} },
5649         { "rg_6",               focusrg,        {.id = 5} },
5650         { "rg_7",               focusrg,        {.id = 6} },
5651         { "rg_8",               focusrg,        {.id = 7} },
5652         { "rg_9",               focusrg,        {.id = 8} },
5653         { "rg_next",            cyclerg,        {.id = SWM_ARG_ID_CYCLERG_UP} },
5654         { "rg_prev",            cyclerg,        {.id = SWM_ARG_ID_CYCLERG_DOWN} },
5655         { "screen_next",        cyclerg,        {.id = SWM_ARG_ID_CYCLERG_UP} },
5656         { "screen_prev",        cyclerg,        {.id = SWM_ARG_ID_CYCLERG_DOWN} },
5657         { "search_win",         search_win,     {0} },
5658         { "search_workspace",   search_workspace,       {0} },
5659         { "spawn_custom",       NULL,           {0} },
5660         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
5661         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
5662         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
5663         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
5664         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
5665         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
5666         { "uniconify",          uniconify,      {0} },
5667         { "version",            version,        {0} },
5668         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
5669         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
5670         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
5671         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
5672         { "ws_1",               switchws,       {.id = 0} },
5673         { "ws_2",               switchws,       {.id = 1} },
5674         { "ws_3",               switchws,       {.id = 2} },
5675         { "ws_4",               switchws,       {.id = 3} },
5676         { "ws_5",               switchws,       {.id = 4} },
5677         { "ws_6",               switchws,       {.id = 5} },
5678         { "ws_7",               switchws,       {.id = 6} },
5679         { "ws_8",               switchws,       {.id = 7} },
5680         { "ws_9",               switchws,       {.id = 8} },
5681         { "ws_10",              switchws,       {.id = 9} },
5682         { "ws_11",              switchws,       {.id = 10} },
5683         { "ws_12",              switchws,       {.id = 11} },
5684         { "ws_13",              switchws,       {.id = 12} },
5685         { "ws_14",              switchws,       {.id = 13} },
5686         { "ws_15",              switchws,       {.id = 14} },
5687         { "ws_16",              switchws,       {.id = 15} },
5688         { "ws_17",              switchws,       {.id = 16} },
5689         { "ws_18",              switchws,       {.id = 17} },
5690         { "ws_19",              switchws,       {.id = 18} },
5691         { "ws_20",              switchws,       {.id = 19} },
5692         { "ws_21",              switchws,       {.id = 20} },
5693         { "ws_22",              switchws,       {.id = 21} },
5694         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
5695         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
5696         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
5697         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
5698         { "ws_prior",           priorws,        {0} },
5699         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
5700         { "invalid key func",   NULL,           {0} },
5701 };
5702
5703 int
5704 key_cmp(struct key *kp1, struct key *kp2)
5705 {
5706         if (kp1->keysym < kp2->keysym)
5707                 return (-1);
5708         if (kp1->keysym > kp2->keysym)
5709                 return (1);
5710
5711         if (kp1->mod < kp2->mod)
5712                 return (-1);
5713         if (kp1->mod > kp2->mod)
5714                 return (1);
5715
5716         return (0);
5717 }
5718
5719 /* mouse */
5720 enum { client_click, root_click };
5721 struct button {
5722         unsigned int            action;
5723         unsigned int            mask;
5724         unsigned int            button;
5725         void                    (*func)(struct ws_win *, union arg *);
5726         union arg               args;
5727 } buttons[] = {
5728 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
5729           /* action     key             mouse button    func    args */
5730         { client_click, MODKEY,         XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_DONTCENTER} },
5731         { client_click, MODKEY_SHIFT,   XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_CENTER} },
5732         { client_click, MODKEY,         XCB_BUTTON_INDEX_1,     move,   {0} },
5733 #undef MODKEY_SHIFT
5734 };
5735
5736 void
5737 update_modkey(unsigned int mod)
5738 {
5739         int                     i;
5740         struct key              *kp;
5741
5742         mod_key = mod;
5743         RB_FOREACH(kp, key_tree, &keys)
5744                 if (kp->mod & XCB_MOD_MASK_SHIFT)
5745                         kp->mod = mod | XCB_MOD_MASK_SHIFT;
5746                 else
5747                         kp->mod = mod;
5748
5749         for (i = 0; i < LENGTH(buttons); i++)
5750                 if (buttons[i].mask & XCB_MOD_MASK_SHIFT)
5751                         buttons[i].mask = mod | XCB_MOD_MASK_SHIFT;
5752                 else
5753                         buttons[i].mask = mod;
5754 }
5755
5756 int
5757 spawn_expand(struct swm_region *r, union arg *args, const char *spawn_name,
5758     char ***ret_args)
5759 {
5760         struct spawn_prog       *prog = NULL;
5761         int                     i;
5762         char                    *ap, **real_args;
5763
5764         /* suppress unused warning since var is needed */
5765         (void)args;
5766
5767         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
5768
5769         /* find program */
5770         TAILQ_FOREACH(prog, &spawns, entry) {
5771                 if (!strcasecmp(spawn_name, prog->name))
5772                         break;
5773         }
5774         if (prog == NULL) {
5775                 warnx("spawn_custom: program %s not found", spawn_name);
5776                 return (-1);
5777         }
5778
5779         /* make room for expanded args */
5780         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
5781                 err(1, "spawn_custom: calloc real_args");
5782
5783         /* expand spawn_args into real_args */
5784         for (i = 0; i < prog->argc; i++) {
5785                 ap = prog->argv[i];
5786                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
5787                 if (!strcasecmp(ap, "$bar_border")) {
5788                         if ((real_args[i] =
5789                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
5790                             == NULL)
5791                                 err(1,  "spawn_custom border color");
5792                 } else if (!strcasecmp(ap, "$bar_color")) {
5793                         if ((real_args[i] =
5794                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
5795                             == NULL)
5796                                 err(1, "spawn_custom bar color");
5797                 } else if (!strcasecmp(ap, "$bar_font")) {
5798                         if ((real_args[i] = strdup(bar_fonts))
5799                             == NULL)
5800                                 err(1, "spawn_custom bar fonts");
5801                 } else if (!strcasecmp(ap, "$bar_font_color")) {
5802                         if ((real_args[i] =
5803                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
5804                             == NULL)
5805                                 err(1, "spawn_custom color font");
5806                 } else if (!strcasecmp(ap, "$color_focus")) {
5807                         if ((real_args[i] =
5808                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
5809                             == NULL)
5810                                 err(1, "spawn_custom color focus");
5811                 } else if (!strcasecmp(ap, "$color_unfocus")) {
5812                         if ((real_args[i] =
5813                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
5814                             == NULL)
5815                                 err(1, "spawn_custom color unfocus");
5816                 } else {
5817                         /* no match --> copy as is */
5818                         if ((real_args[i] = strdup(ap)) == NULL)
5819                                 err(1, "spawn_custom strdup(ap)");
5820                 }
5821                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
5822                     real_args[i]);
5823         }
5824
5825 #ifdef SWM_DEBUG
5826         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
5827         for (i = 0; i < prog->argc; i++)
5828                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
5829         DNPRINTF(SWM_D_SPAWN, "\n");
5830 #endif
5831         *ret_args = real_args;
5832         return (prog->argc);
5833 }
5834
5835 void
5836 spawn_custom(struct swm_region *r, union arg *args, const char *spawn_name)
5837 {
5838         union arg               a;
5839         char                    **real_args;
5840         int                     spawn_argc, i;
5841
5842         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5843                 return;
5844         a.argv = real_args;
5845         if (fork() == 0)
5846                 spawn(r->ws->idx, &a, 1);
5847
5848         for (i = 0; i < spawn_argc; i++)
5849                 free(real_args[i]);
5850         free(real_args);
5851 }
5852
5853 void
5854 spawn_select(struct swm_region *r, union arg *args, const char *spawn_name,
5855     int *pid)
5856 {
5857         union arg               a;
5858         char                    **real_args;
5859         int                     i, spawn_argc;
5860
5861         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5862                 return;
5863         a.argv = real_args;
5864
5865         if (pipe(select_list_pipe) == -1)
5866                 err(1, "pipe error");
5867         if (pipe(select_resp_pipe) == -1)
5868                 err(1, "pipe error");
5869
5870         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
5871                 err(1, "could not disable SIGPIPE");
5872         switch (*pid = fork()) {
5873         case -1:
5874                 err(1, "cannot fork");
5875                 break;
5876         case 0: /* child */
5877                 if (dup2(select_list_pipe[0], STDIN_FILENO) == -1)
5878                         err(1, "dup2");
5879                 if (dup2(select_resp_pipe[1], STDOUT_FILENO) == -1)
5880                         err(1, "dup2");
5881                 close(select_list_pipe[1]);
5882                 close(select_resp_pipe[0]);
5883                 spawn(r->ws->idx, &a, 0);
5884                 break;
5885         default: /* parent */
5886                 close(select_list_pipe[0]);
5887                 close(select_resp_pipe[1]);
5888                 break;
5889         }
5890
5891         for (i = 0; i < spawn_argc; i++)
5892                 free(real_args[i]);
5893         free(real_args);
5894 }
5895
5896 void
5897 spawn_insert(const char *name, const char *args)
5898 {
5899         char                    *arg, *cp, *ptr;
5900         struct spawn_prog       *sp;
5901
5902         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5903
5904         if ((sp = calloc(1, sizeof *sp)) == NULL)
5905                 err(1, "spawn_insert: calloc");
5906         if ((sp->name = strdup(name)) == NULL)
5907                 err(1, "spawn_insert: strdup");
5908
5909         /* convert the arguments to an argument list */
5910         if ((ptr = cp = strdup(args)) == NULL)
5911                 err(1, "spawn_insert: strdup");
5912         while ((arg = strsep(&ptr, " \t")) != NULL) {
5913                 /* empty field; skip it */
5914                 if (*arg == '\0')
5915                         continue;
5916
5917                 sp->argc++;
5918                 if ((sp->argv = realloc(sp->argv, sp->argc *
5919                     sizeof *sp->argv)) == NULL)
5920                         err(1, "spawn_insert: realloc");
5921                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5922                         err(1, "spawn_insert: strdup");
5923         }
5924         free(cp);
5925
5926         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5927         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5928 }
5929
5930 void
5931 spawn_remove(struct spawn_prog *sp)
5932 {
5933         int                     i;
5934
5935         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5936
5937         TAILQ_REMOVE(&spawns, sp, entry);
5938         for (i = 0; i < sp->argc; i++)
5939                 free(sp->argv[i]);
5940         free(sp->argv);
5941         free(sp->name);
5942         free(sp);
5943
5944         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5945 }
5946
5947 void
5948 spawn_replace(struct spawn_prog *sp, const char *name, const char *args)
5949 {
5950         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5951
5952         spawn_remove(sp);
5953         spawn_insert(name, args);
5954
5955         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5956 }
5957
5958 void
5959 setspawn(const char *name, const char *args)
5960 {
5961         struct spawn_prog       *sp;
5962
5963         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5964
5965         if (name == NULL)
5966                 return;
5967
5968         TAILQ_FOREACH(sp, &spawns, entry) {
5969                 if (!strcmp(sp->name, name)) {
5970                         if (*args == '\0')
5971                                 spawn_remove(sp);
5972                         else
5973                                 spawn_replace(sp, name, args);
5974                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5975                         return;
5976                 }
5977         }
5978         if (*args == '\0') {
5979                 warnx("error: setspawn: cannot find program: %s", name);
5980                 return;
5981         }
5982
5983         spawn_insert(name, args);
5984         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5985 }
5986
5987 int
5988 setconfspawn(char *selector, char *value, int flags)
5989 {
5990         char *args;
5991
5992         /* suppress unused warning since var is needed */
5993         (void)flags;
5994
5995         args = expand_tilde(value);
5996
5997         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, args);
5998
5999         setspawn(selector, args);
6000         free(args);
6001
6002         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done.\n");
6003         return (0);
6004 }
6005
6006 void
6007 setup_spawn(void)
6008 {
6009         setconfspawn("term",            "xterm",                0);
6010         setconfspawn("spawn_term",      "xterm",                0);
6011         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
6012         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
6013         setconfspawn("lock",            "xlock",                0);
6014         setconfspawn("initscr",         "initscreen.sh",        0);
6015         setconfspawn("menu",            "dmenu_run"
6016                                         " -fn $bar_font"
6017                                         " -nb $bar_color"
6018                                         " -nf $bar_font_color"
6019                                         " -sb $bar_border"
6020                                         " -sf $bar_color",      0);
6021         setconfspawn("search",          "dmenu"
6022                                         " -i"
6023                                         " -fn $bar_font"
6024                                         " -nb $bar_color"
6025                                         " -nf $bar_font_color"
6026                                         " -sb $bar_border"
6027                                         " -sf $bar_color",      0);
6028         setconfspawn("name_workspace",  "dmenu"
6029                                         " -p Workspace"
6030                                         " -fn $bar_font"
6031                                         " -nb $bar_color"
6032                                         " -nf $bar_font_color"
6033                                         " -sb $bar_border"
6034                                         " -sf $bar_color",      0);
6035 }
6036
6037 /* key bindings */
6038 #define SWM_MODNAME_SIZE        32
6039 #define SWM_KEY_WS              "\n+ \t"
6040 int
6041 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
6042 {
6043         char                    *cp, *name;
6044         KeySym                  uks;
6045         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
6046         if (mod == NULL || ks == NULL) {
6047                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
6048                 return (1);
6049         }
6050         if (keystr == NULL || strlen(keystr) == 0) {
6051                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
6052                 return (1);
6053         }
6054         cp = keystr;
6055         *ks = XCB_NO_SYMBOL;
6056         *mod = 0;
6057         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
6058                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
6059                 if (cp)
6060                         cp += (long)strspn(cp, SWM_KEY_WS);
6061                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
6062                         *mod |= currmod;
6063                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
6064                         *mod |= XCB_MOD_MASK_1;
6065                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
6066                         *mod += XCB_MOD_MASK_2;
6067                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
6068                         *mod |= XCB_MOD_MASK_3;
6069                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
6070                         *mod |= XCB_MOD_MASK_4;
6071                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
6072                         *mod |= XCB_MOD_MASK_SHIFT;
6073                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
6074                         *mod |= XCB_MOD_MASK_CONTROL;
6075                 else {
6076                         *ks = XStringToKeysym(name);
6077                         XConvertCase(*ks, ks, &uks);
6078                         if (ks == XCB_NO_SYMBOL) {
6079                                 DNPRINTF(SWM_D_KEY,
6080                                     "parsekeys: invalid key %s\n",
6081                                     name);
6082                                 return (1);
6083                         }
6084                 }
6085         }
6086         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
6087         return (0);
6088 }
6089
6090 char *
6091 strdupsafe(const char *str)
6092 {
6093         if (str == NULL)
6094                 return (NULL);
6095         else
6096                 return (strdup(str));
6097 }
6098
6099 void
6100 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid,
6101     const char *spawn_name)
6102 {
6103         struct key              *kp;
6104
6105         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
6106             keyfuncs[kfid].name, spawn_name);
6107
6108         if ((kp = malloc(sizeof *kp)) == NULL)
6109                 err(1, "key_insert: malloc");
6110
6111         kp->mod = mod;
6112         kp->keysym = ks;
6113         kp->funcid = kfid;
6114         kp->spawn_name = strdupsafe(spawn_name);
6115         RB_INSERT(key_tree, &keys, kp);
6116
6117         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
6118 }
6119
6120 struct key *
6121 key_lookup(unsigned int mod, KeySym ks)
6122 {
6123         struct key              kp;
6124
6125         kp.keysym = ks;
6126         kp.mod = mod;
6127
6128         return (RB_FIND(key_tree, &keys, &kp));
6129 }
6130
6131 void
6132 key_remove(struct key *kp)
6133 {
6134         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
6135
6136         RB_REMOVE(key_tree, &keys, kp);
6137         free(kp->spawn_name);
6138         free(kp);
6139
6140         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
6141 }
6142
6143 void
6144 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
6145     const char *spawn_name)
6146 {
6147         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
6148             spawn_name);
6149
6150         key_remove(kp);
6151         key_insert(mod, ks, kfid, spawn_name);
6152
6153         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
6154 }
6155
6156 void
6157 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
6158     const char *spawn_name)
6159 {
6160         struct key              *kp;
6161
6162         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
6163             keyfuncs[kfid].name, spawn_name);
6164
6165         if ((kp = key_lookup(mod, ks)) != NULL) {
6166                 if (kfid == KF_INVALID)
6167                         key_remove(kp);
6168                 else
6169                         key_replace(kp, mod, ks, kfid, spawn_name);
6170                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6171                 return;
6172         }
6173         if (kfid == KF_INVALID) {
6174                 warnx("bind: Key combination already unbound.");
6175                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6176                 return;
6177         }
6178
6179         key_insert(mod, ks, kfid, spawn_name);
6180         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6181 }
6182
6183 int
6184 setconfbinding(char *selector, char *value, int flags)
6185 {
6186         enum keyfuncid          kfid;
6187         unsigned int            mod;
6188         KeySym                  ks;
6189         struct spawn_prog       *sp;
6190
6191         /* suppress unused warning since var is needed */
6192         (void)flags;
6193
6194         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
6195         if (selector == NULL) {
6196                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
6197                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6198                         kfid = KF_INVALID;
6199                         setkeybinding(mod, ks, kfid, NULL);
6200                         return (0);
6201                 } else
6202                         return (1);
6203         }
6204         /* search by key function name */
6205         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
6206                 if (strncasecmp(selector, keyfuncs[kfid].name,
6207                     SWM_FUNCNAME_LEN) == 0) {
6208                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
6209                             selector);
6210                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6211                                 setkeybinding(mod, ks, kfid, NULL);
6212                                 return (0);
6213                         } else
6214                                 return (1);
6215                 }
6216         }
6217         /* search by custom spawn name */
6218         TAILQ_FOREACH(sp, &spawns, entry) {
6219                 if (strcasecmp(selector, sp->name) == 0) {
6220                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
6221                             selector);
6222                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6223                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
6224                                     sp->name);
6225                                 return (0);
6226                         } else
6227                                 return (1);
6228                 }
6229         }
6230         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
6231         return (1);
6232 }
6233
6234 void
6235 setup_keys(void)
6236 {
6237 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
6238         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
6239         setkeybinding(MODKEY_SHIFT,     XK_b,           KF_BAR_TOGGLE_WS,NULL);
6240         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
6241         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
6242         setkeybinding(MODKEY_SHIFT,     XK_backslash,   KF_FLIP_LAYOUT, NULL);
6243         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
6244         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
6245         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
6246         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
6247         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
6248         setkeybinding(MODKEY_SHIFT,     XK_Tab,         KF_FOCUS_PREV,  NULL);
6249         setkeybinding(MODKEY_SHIFT,     XK_equal,       KF_HEIGHT_GROW,NULL);
6250         setkeybinding(MODKEY_SHIFT,     XK_minus,       KF_HEIGHT_SHRINK,NULL);
6251         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
6252         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
6253         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
6254         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
6255         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
6256         setkeybinding(MODKEY_SHIFT,     XK_bracketright,KF_MOVE_DOWN,NULL);
6257         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
6258         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
6259         setkeybinding(MODKEY_SHIFT,     XK_bracketleft, KF_MOVE_UP,     NULL);
6260         setkeybinding(MODKEY_SHIFT,     XK_KP_End,      KF_MVRG_1,      NULL);
6261         setkeybinding(MODKEY_SHIFT,     XK_KP_Down,     KF_MVRG_2,      NULL);
6262         setkeybinding(MODKEY_SHIFT,     XK_KP_Next,     KF_MVRG_3,      NULL);
6263         setkeybinding(MODKEY_SHIFT,     XK_KP_Left,     KF_MVRG_4,      NULL);
6264         setkeybinding(MODKEY_SHIFT,     XK_KP_Begin,    KF_MVRG_5,      NULL);
6265         setkeybinding(MODKEY_SHIFT,     XK_KP_Right,    KF_MVRG_6,      NULL);
6266         setkeybinding(MODKEY_SHIFT,     XK_KP_Home,     KF_MVRG_7,      NULL);
6267         setkeybinding(MODKEY_SHIFT,     XK_KP_Up,       KF_MVRG_8,      NULL);
6268         setkeybinding(MODKEY_SHIFT,     XK_KP_Prior,    KF_MVRG_9,      NULL);
6269         setkeybinding(MODKEY_SHIFT,     XK_1,           KF_MVWS_1,      NULL);
6270         setkeybinding(MODKEY_SHIFT,     XK_2,           KF_MVWS_2,      NULL);
6271         setkeybinding(MODKEY_SHIFT,     XK_3,           KF_MVWS_3,      NULL);
6272         setkeybinding(MODKEY_SHIFT,     XK_4,           KF_MVWS_4,      NULL);
6273         setkeybinding(MODKEY_SHIFT,     XK_5,           KF_MVWS_5,      NULL);
6274         setkeybinding(MODKEY_SHIFT,     XK_6,           KF_MVWS_6,      NULL);
6275         setkeybinding(MODKEY_SHIFT,     XK_7,           KF_MVWS_7,      NULL);
6276         setkeybinding(MODKEY_SHIFT,     XK_8,           KF_MVWS_8,      NULL);
6277         setkeybinding(MODKEY_SHIFT,     XK_9,           KF_MVWS_9,      NULL);
6278         setkeybinding(MODKEY_SHIFT,     XK_0,           KF_MVWS_10,     NULL);
6279         setkeybinding(MODKEY_SHIFT,     XK_F1,          KF_MVWS_11,     NULL);
6280         setkeybinding(MODKEY_SHIFT,     XK_F2,          KF_MVWS_12,     NULL);
6281         setkeybinding(MODKEY_SHIFT,     XK_F3,          KF_MVWS_13,     NULL);
6282         setkeybinding(MODKEY_SHIFT,     XK_F4,          KF_MVWS_14,     NULL);
6283         setkeybinding(MODKEY_SHIFT,     XK_F5,          KF_MVWS_15,     NULL);
6284         setkeybinding(MODKEY_SHIFT,     XK_F6,          KF_MVWS_16,     NULL);
6285         setkeybinding(MODKEY_SHIFT,     XK_F7,          KF_MVWS_17,     NULL);
6286         setkeybinding(MODKEY_SHIFT,     XK_F8,          KF_MVWS_18,     NULL);
6287         setkeybinding(MODKEY_SHIFT,     XK_F9,          KF_MVWS_19,     NULL);
6288         setkeybinding(MODKEY_SHIFT,     XK_F10,         KF_MVWS_20,     NULL);
6289         setkeybinding(MODKEY_SHIFT,     XK_F11,         KF_MVWS_21,     NULL);
6290         setkeybinding(MODKEY_SHIFT,     XK_F12,         KF_MVWS_22,     NULL);
6291         setkeybinding(MODKEY_SHIFT,     XK_slash,       KF_NAME_WORKSPACE,NULL);
6292         setkeybinding(MODKEY_SHIFT,     XK_q,           KF_QUIT,        NULL);
6293         setkeybinding(MODKEY_SHIFT,     XK_r,           KF_RAISE_TOGGLE,NULL);
6294         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
6295         setkeybinding(MODKEY,           XK_KP_End,      KF_RG_1,        NULL);
6296         setkeybinding(MODKEY,           XK_KP_Down,     KF_RG_2,        NULL);
6297         setkeybinding(MODKEY,           XK_KP_Next,     KF_RG_3,        NULL);
6298         setkeybinding(MODKEY,           XK_KP_Left,     KF_RG_4,        NULL);
6299         setkeybinding(MODKEY,           XK_KP_Begin,    KF_RG_5,        NULL);
6300         setkeybinding(MODKEY,           XK_KP_Right,    KF_RG_6,        NULL);
6301         setkeybinding(MODKEY,           XK_KP_Home,     KF_RG_7,        NULL);
6302         setkeybinding(MODKEY,           XK_KP_Up,       KF_RG_8,        NULL);
6303         setkeybinding(MODKEY,           XK_KP_Prior,    KF_RG_9,        NULL);
6304         setkeybinding(MODKEY_SHIFT,     XK_Right,       KF_RG_NEXT,     NULL);
6305         setkeybinding(MODKEY_SHIFT,     XK_Left,        KF_RG_PREV,     NULL);
6306         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
6307         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
6308         setkeybinding(MODKEY_SHIFT,     XK_i,           KF_SPAWN_CUSTOM,"initscr");
6309         setkeybinding(MODKEY_SHIFT,     XK_Delete,      KF_SPAWN_CUSTOM,"lock");
6310         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
6311         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
6312         setkeybinding(MODKEY_SHIFT,     XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
6313         setkeybinding(MODKEY_SHIFT,     XK_Return,      KF_SPAWN_CUSTOM,"term");
6314         setkeybinding(MODKEY_SHIFT,     XK_comma,       KF_STACK_INC,   NULL);
6315         setkeybinding(MODKEY_SHIFT,     XK_period,      KF_STACK_DEC,   NULL);
6316         setkeybinding(MODKEY_SHIFT,     XK_space,       KF_STACK_RESET, NULL);
6317         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
6318         setkeybinding(MODKEY_SHIFT,     XK_j,           KF_SWAP_NEXT,   NULL);
6319         setkeybinding(MODKEY_SHIFT,     XK_k,           KF_SWAP_PREV,   NULL);
6320         setkeybinding(MODKEY_SHIFT,     XK_w,           KF_UNICONIFY,   NULL);
6321         setkeybinding(MODKEY_SHIFT,     XK_v,           KF_VERSION,     NULL);
6322         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
6323         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
6324         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
6325         setkeybinding(MODKEY_SHIFT,     XK_x,           KF_WIND_KILL,   NULL);
6326         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
6327         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
6328         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
6329         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
6330         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
6331         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
6332         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
6333         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
6334         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
6335         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
6336         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
6337         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
6338         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
6339         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
6340         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
6341         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
6342         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
6343         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
6344         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
6345         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
6346         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
6347         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
6348         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
6349         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
6350         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
6351         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
6352         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
6353 #ifdef SWM_DEBUG
6354         setkeybinding(MODKEY_SHIFT,     XK_d,           KF_DUMPWINS,    NULL);
6355 #endif
6356 #undef MODKEY_SHIFT
6357 }
6358
6359 void
6360 clear_keys(void)
6361 {
6362         struct key              *kp;
6363
6364         while (RB_EMPTY(&keys) == 0) {
6365                 kp = RB_ROOT(&keys);
6366                 key_remove(kp);
6367         }
6368 }
6369
6370 int
6371 setkeymapping(char *selector, char *value, int flags)
6372 {
6373         char                    keymapping_file[PATH_MAX];
6374
6375         /* suppress unused warnings since vars are needed */
6376         (void)selector;
6377         (void)flags;
6378
6379         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
6380         if (value[0] == '~')
6381                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
6382                     pwd->pw_dir, &value[1]);
6383         else
6384                 strlcpy(keymapping_file, value, sizeof keymapping_file);
6385         clear_keys();
6386         /* load new key bindings; if it fails, revert to default bindings */
6387         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
6388                 clear_keys();
6389                 setup_keys();
6390         }
6391         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
6392         return (0);
6393 }
6394
6395 void
6396 updatenumlockmask(void)
6397 {
6398         unsigned int                            i, j;
6399         xcb_get_modifier_mapping_reply_t        *modmap_r;
6400         xcb_keycode_t                           *modmap, kc, *keycode;
6401
6402         numlockmask = 0;
6403
6404         modmap_r = xcb_get_modifier_mapping_reply(conn,
6405             xcb_get_modifier_mapping(conn),
6406             NULL);
6407         if (modmap_r) {
6408                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
6409                 for (i = 0; i < 8; i++) {
6410                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
6411                                 kc = modmap[i * modmap_r->keycodes_per_modifier
6412                                     + j];
6413                                 keycode = xcb_key_symbols_get_keycode(syms,
6414                                                 XK_Num_Lock);
6415                                 if (kc == *keycode)
6416                                         numlockmask = (1 << i);
6417                                 free(keycode);
6418                         }
6419                 }
6420                 free(modmap_r);
6421         }
6422         DNPRINTF(SWM_D_MISC, "updatenumlockmask: %d\n", numlockmask);
6423 }
6424
6425 void
6426 grabkeys(void)
6427 {
6428         struct key              *kp;
6429         int                     num_screens, k, j;
6430         unsigned int            modifiers[4];
6431         xcb_keycode_t           *code;
6432
6433         DNPRINTF(SWM_D_MISC, "grabkeys\n");
6434         updatenumlockmask();
6435
6436         modifiers[0] = 0;
6437         modifiers[1] = numlockmask;
6438         modifiers[2] = XCB_MOD_MASK_LOCK;
6439         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6440
6441         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6442         for (k = 0; k < num_screens; k++) {
6443                 if (TAILQ_EMPTY(&screens[k].rl))
6444                         continue;
6445                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
6446                         XCB_MOD_MASK_ANY);
6447                 RB_FOREACH(kp, key_tree, &keys) {
6448                         if ((code = xcb_key_symbols_get_keycode(syms,
6449                                         kp->keysym))) {
6450                                 for (j = 0; j < LENGTH(modifiers); j++)
6451                                         xcb_grab_key(conn, 1,
6452                                             screens[k].root,
6453                                             kp->mod | modifiers[j],
6454                                             *code, XCB_GRAB_MODE_SYNC,
6455                                             XCB_GRAB_MODE_SYNC);
6456                                 free(code);
6457                         }
6458                 }
6459         }
6460 }
6461
6462 void
6463 grabbuttons(struct ws_win *win)
6464 {
6465         unsigned int    modifiers[4];
6466         int             i, j;
6467
6468         DNPRINTF(SWM_D_MOUSE, "grabbuttons: win 0x%x\n", win->id);
6469         updatenumlockmask();
6470
6471         modifiers[0] = 0;
6472         modifiers[1] = numlockmask;
6473         modifiers[2] = XCB_MOD_MASK_LOCK;
6474         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6475
6476         for (i = 0; i < LENGTH(buttons); i++)
6477                 if (buttons[i].action == client_click)
6478                         for (j = 0; j < LENGTH(modifiers); ++j)
6479                                 xcb_grab_button(conn, 0, win->id, BUTTONMASK,
6480                                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC,
6481                                     XCB_WINDOW_NONE, XCB_CURSOR_NONE,
6482                                     buttons[i].button, buttons[i].mask |
6483                                     modifiers[j]);
6484 }
6485
6486 const char *quirkname[] = {
6487         "NONE",         /* config string for "no value" */
6488         "FLOAT",
6489         "TRANSSZ",
6490         "ANYWHERE",
6491         "XTERM_FONTADJ",
6492         "FULLSCREEN",
6493         "FOCUSPREV",
6494 };
6495
6496 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
6497 #define SWM_Q_WS                "\n|+ \t"
6498 int
6499 parsequirks(char *qstr, unsigned long *quirk)
6500 {
6501         char                    *cp, *name;
6502         int                     i;
6503
6504         if (quirk == NULL)
6505                 return (1);
6506
6507         cp = qstr;
6508         *quirk = 0;
6509         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
6510                 if (cp)
6511                         cp += (long)strspn(cp, SWM_Q_WS);
6512                 for (i = 0; i < LENGTH(quirkname); i++) {
6513                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
6514                                 DNPRINTF(SWM_D_QUIRK,
6515                                     "parsequirks: %s\n", name);
6516                                 if (i == 0) {
6517                                         *quirk = 0;
6518                                         return (0);
6519                                 }
6520                                 *quirk |= 1 << (i-1);
6521                                 break;
6522                         }
6523                 }
6524                 if (i >= LENGTH(quirkname)) {
6525                         DNPRINTF(SWM_D_QUIRK,
6526                             "parsequirks: invalid quirk [%s]\n", name);
6527                         return (1);
6528                 }
6529         }
6530         return (0);
6531 }
6532
6533 void
6534 quirk_insert(const char *class, const char *name, unsigned long quirk)
6535 {
6536         struct quirk            *qp;
6537
6538         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
6539             quirk);
6540
6541         if ((qp = malloc(sizeof *qp)) == NULL)
6542                 err(1, "quirk_insert: malloc");
6543         if ((qp->class = strdup(class)) == NULL)
6544                 err(1, "quirk_insert: strdup");
6545         if ((qp->name = strdup(name)) == NULL)
6546                 err(1, "quirk_insert: strdup");
6547
6548         qp->quirk = quirk;
6549         TAILQ_INSERT_TAIL(&quirks, qp, entry);
6550
6551         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
6552 }
6553
6554 void
6555 quirk_remove(struct quirk *qp)
6556 {
6557         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
6558             qp->name, qp->quirk);
6559
6560         TAILQ_REMOVE(&quirks, qp, entry);
6561         free(qp->class);
6562         free(qp->name);
6563         free(qp);
6564
6565         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
6566 }
6567
6568 void
6569 quirk_replace(struct quirk *qp, const char *class, const char *name,
6570     unsigned long quirk)
6571 {
6572         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
6573             qp->name, qp->quirk);
6574
6575         quirk_remove(qp);
6576         quirk_insert(class, name, quirk);
6577
6578         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
6579 }
6580
6581 void
6582 setquirk(const char *class, const char *name, unsigned long quirk)
6583 {
6584         struct quirk            *qp;
6585
6586         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
6587            quirk);
6588
6589         /* Remove/replace existing quirk. */
6590         TAILQ_FOREACH(qp, &quirks, entry) {
6591                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
6592                         if (!quirk)
6593                                 quirk_remove(qp);
6594                         else
6595                                 quirk_replace(qp, class, name, quirk);
6596                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6597                         return;
6598                 }
6599         }
6600
6601         /* Only insert if quirk is not NONE. */
6602         if (quirk)
6603                 quirk_insert(class, name, quirk);
6604
6605         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6606 }
6607
6608 int
6609 setconfquirk(char *selector, char *value, int flags)
6610 {
6611         char                    *cp, *class, *name;
6612         int                     retval;
6613         unsigned long           qrks;
6614
6615         /* suppress unused warning since var is needed */
6616         (void)flags;
6617
6618         if (selector == NULL)
6619                 return (0);
6620         if ((cp = strchr(selector, ':')) == NULL)
6621                 return (0);
6622         *cp = '\0';
6623         class = selector;
6624         name = cp + 1;
6625         if ((retval = parsequirks(value, &qrks)) == 0)
6626                 setquirk(class, name, qrks);
6627         return (retval);
6628 }
6629
6630 void
6631 setup_quirks(void)
6632 {
6633         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
6634         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
6635         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
6636         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
6637         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6638         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
6639         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6640         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6641         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6642         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6643         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
6644         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
6645         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
6646 }
6647
6648 /* conf file stuff */
6649 #define SWM_CONF_FILE           "spectrwm.conf"
6650 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
6651
6652 enum {
6653         SWM_S_BAR_ACTION,
6654         SWM_S_BAR_AT_BOTTOM,
6655         SWM_S_BAR_BORDER_WIDTH,
6656         SWM_S_BAR_DELAY,
6657         SWM_S_BAR_ENABLED,
6658         SWM_S_BAR_ENABLED_WS,
6659         SWM_S_BAR_FONT,
6660         SWM_S_BAR_FORMAT,
6661         SWM_S_BAR_JUSTIFY,
6662         SWM_S_BORDER_WIDTH,
6663         SWM_S_CLOCK_ENABLED,
6664         SWM_S_CLOCK_FORMAT,
6665         SWM_S_CYCLE_EMPTY,
6666         SWM_S_CYCLE_VISIBLE,
6667         SWM_S_DIALOG_RATIO,
6668         SWM_S_DISABLE_BORDER,
6669         SWM_S_FOCUS_CLOSE,
6670         SWM_S_FOCUS_CLOSE_WRAP,
6671         SWM_S_FOCUS_DEFAULT,
6672         SWM_S_FOCUS_MODE,
6673         SWM_S_REGION_PADDING,
6674         SWM_S_SPAWN_ORDER,
6675         SWM_S_SPAWN_TERM,
6676         SWM_S_SS_APP,
6677         SWM_S_SS_ENABLED,
6678         SWM_S_STACK_ENABLED,
6679         SWM_S_TERM_WIDTH,
6680         SWM_S_TILE_GAP,
6681         SWM_S_TITLE_CLASS_ENABLED,
6682         SWM_S_TITLE_NAME_ENABLED,
6683         SWM_S_URGENT_ENABLED,
6684         SWM_S_VERBOSE_LAYOUT,
6685         SWM_S_WINDOW_NAME_ENABLED,
6686         SWM_S_WORKSPACE_LIMIT
6687 };
6688
6689 int
6690 setconfvalue(char *selector, char *value, int flags)
6691 {
6692         struct workspace        *ws;
6693         int                     i, ws_id, num_screens;
6694         char                    *b;
6695
6696         /* suppress unused warning since var is needed */
6697         (void)selector;
6698
6699         switch (flags) {
6700         case SWM_S_BAR_ACTION:
6701                 free(bar_argv[0]);
6702                 if ((bar_argv[0] = expand_tilde(value)) == NULL)
6703                         err(1, "setconfvalue: bar_action");
6704                 break;
6705         case SWM_S_BAR_AT_BOTTOM:
6706                 bar_at_bottom = atoi(value);
6707                 break;
6708         case SWM_S_BAR_BORDER_WIDTH:
6709                 bar_border_width = atoi(value);
6710                 if (bar_border_width < 0)
6711                         bar_border_width = 0;
6712                 break;
6713         case SWM_S_BAR_DELAY:
6714                 /* No longer needed; leave to not break old conf files. */
6715                 break;
6716         case SWM_S_BAR_ENABLED:
6717                 bar_enabled = atoi(value);
6718                 break;
6719         case SWM_S_BAR_ENABLED_WS:
6720                 ws_id = atoi(selector) - 1;
6721                 if (ws_id < 0 || ws_id >= workspace_limit)
6722                         errx(1, "setconfvalue: bar_enabled_ws: invalid "
6723                             "workspace %d.", ws_id + 1);
6724
6725                 num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6726                 for (i = 0; i < num_screens; i++) {
6727                         ws = (struct workspace *)&screens[i].ws;
6728                         ws[ws_id].bar_enabled = atoi(value);
6729                 }
6730                 break;
6731         case SWM_S_BAR_FONT:
6732                 b = bar_fonts;
6733                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
6734                         err(1, "setconfvalue: asprintf: failed to allocate "
6735                                 "memory for bar_fonts.");
6736                 free(b);
6737
6738                 /* If already in xft mode, then we are done. */
6739                 if (!bar_font_legacy)
6740                         break;
6741
6742                 /* If there are any non-XLFD entries, switch to Xft mode. */
6743                 while ((b = strsep(&value, ",")) != NULL) {
6744                         if (*b == '\0')
6745                                 continue;
6746                         if (!isxlfd(b)) {
6747                                 bar_font_legacy = 0;
6748                                 break;
6749                         }
6750                 }
6751                 break;
6752         case SWM_S_BAR_FORMAT:
6753                 free(bar_format);
6754                 if ((bar_format = strdup(value)) == NULL)
6755                         err(1, "setconfvalue: bar_format");
6756                 break;
6757         case SWM_S_BAR_JUSTIFY:
6758                 if (!strcmp(value, "left"))
6759                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
6760                 else if (!strcmp(value, "center"))
6761                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
6762                 else if (!strcmp(value, "right"))
6763                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
6764                 else
6765                         errx(1, "invalid bar_justify");
6766                 break;
6767         case SWM_S_BORDER_WIDTH:
6768                 border_width = atoi(value);
6769                 if (border_width < 0)
6770                         border_width = 0;
6771                 break;
6772         case SWM_S_CLOCK_ENABLED:
6773                 clock_enabled = atoi(value);
6774                 break;
6775         case SWM_S_CLOCK_FORMAT:
6776 #ifndef SWM_DENY_CLOCK_FORMAT
6777                 free(clock_format);
6778                 if ((clock_format = strdup(value)) == NULL)
6779                         err(1, "setconfvalue: clock_format");
6780 #endif
6781                 break;
6782         case SWM_S_CYCLE_EMPTY:
6783                 cycle_empty = atoi(value);
6784                 break;
6785         case SWM_S_CYCLE_VISIBLE:
6786                 cycle_visible = atoi(value);
6787                 break;
6788         case SWM_S_DIALOG_RATIO:
6789                 dialog_ratio = atof(value);
6790                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
6791                         dialog_ratio = .6;
6792                 break;
6793         case SWM_S_DISABLE_BORDER:
6794                 disable_border = atoi(value);
6795                 break;
6796         case SWM_S_FOCUS_CLOSE:
6797                 if (!strcmp(value, "first"))
6798                         focus_close = SWM_STACK_BOTTOM;
6799                 else if (!strcmp(value, "last"))
6800                         focus_close = SWM_STACK_TOP;
6801                 else if (!strcmp(value, "next"))
6802                         focus_close = SWM_STACK_ABOVE;
6803                 else if (!strcmp(value, "previous"))
6804                         focus_close = SWM_STACK_BELOW;
6805                 else
6806                         errx(1, "focus_close");
6807                 break;
6808         case SWM_S_FOCUS_CLOSE_WRAP:
6809                 focus_close_wrap = atoi(value);
6810                 break;
6811         case SWM_S_FOCUS_DEFAULT:
6812                 if (!strcmp(value, "last"))
6813                         focus_default = SWM_STACK_TOP;
6814                 else if (!strcmp(value, "first"))
6815                         focus_default = SWM_STACK_BOTTOM;
6816                 else
6817                         errx(1, "focus_default");
6818                 break;
6819         case SWM_S_FOCUS_MODE:
6820                 if (!strcmp(value, "default"))
6821                         focus_mode = SWM_FOCUS_DEFAULT;
6822                 else if (!strcmp(value, "follow") ||
6823                     !strcmp(value, "follow_cursor"))
6824                         focus_mode = SWM_FOCUS_FOLLOW;
6825                 else if (!strcmp(value, "manual"))
6826                         focus_mode = SWM_FOCUS_MANUAL;
6827                 else
6828                         errx(1, "focus_mode");
6829                 break;
6830         case SWM_S_REGION_PADDING:
6831                 region_padding = atoi(value);
6832                 if (region_padding < 0)
6833                         region_padding = 0;
6834                 break;
6835         case SWM_S_SPAWN_ORDER:
6836                 if (!strcmp(value, "first"))
6837                         spawn_position = SWM_STACK_BOTTOM;
6838                 else if (!strcmp(value, "last"))
6839                         spawn_position = SWM_STACK_TOP;
6840                 else if (!strcmp(value, "next"))
6841                         spawn_position = SWM_STACK_ABOVE;
6842                 else if (!strcmp(value, "previous"))
6843                         spawn_position = SWM_STACK_BELOW;
6844                 else
6845                         errx(1, "spawn_position");
6846                 break;
6847         case SWM_S_SPAWN_TERM:
6848                 setconfspawn("term", value, 0);
6849                 setconfspawn("spawn_term", value, 0);
6850                 break;
6851         case SWM_S_SS_APP:
6852                 /* No longer needed; leave to not break old conf files. */
6853                 break;
6854         case SWM_S_SS_ENABLED:
6855                 /* No longer needed; leave to not break old conf files. */
6856                 break;
6857         case SWM_S_STACK_ENABLED:
6858                 stack_enabled = atoi(value);
6859                 break;
6860         case SWM_S_TERM_WIDTH:
6861                 term_width = atoi(value);
6862                 if (term_width < 0)
6863                         term_width = 0;
6864                 break;
6865         case SWM_S_TILE_GAP:
6866                 tile_gap = atoi(value);
6867                 if (tile_gap < 0)
6868                         tile_gap = 0;
6869                 break;
6870         case SWM_S_TITLE_CLASS_ENABLED:
6871                 title_class_enabled = atoi(value);
6872                 break;
6873         case SWM_S_TITLE_NAME_ENABLED:
6874                 title_name_enabled = atoi(value);
6875                 break;
6876         case SWM_S_URGENT_ENABLED:
6877                 urgent_enabled = atoi(value);
6878                 break;
6879         case SWM_S_VERBOSE_LAYOUT:
6880                 verbose_layout = atoi(value);
6881                 for (i = 0; layouts[i].l_stack != NULL; i++) {
6882                         if (verbose_layout)
6883                                 layouts[i].l_string = fancy_stacker;
6884                         else
6885                                 layouts[i].l_string = plain_stacker;
6886                 }
6887                 break;
6888         case SWM_S_WINDOW_NAME_ENABLED:
6889                 window_name_enabled = atoi(value);
6890                 break;
6891         case SWM_S_WORKSPACE_LIMIT:
6892                 workspace_limit = atoi(value);
6893                 if (workspace_limit > SWM_WS_MAX)
6894                         workspace_limit = SWM_WS_MAX;
6895                 else if (workspace_limit < 1)
6896                         workspace_limit = 1;
6897                 break;
6898         default:
6899                 return (1);
6900         }
6901         return (0);
6902 }
6903
6904 int
6905 setconfmodkey(char *selector, char *value, int flags)
6906 {
6907         /* suppress unused warnings since vars are needed */
6908         (void)selector;
6909         (void)flags;
6910
6911         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
6912                 update_modkey(XCB_MOD_MASK_1);
6913         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
6914                 update_modkey(XCB_MOD_MASK_2);
6915         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
6916                 update_modkey(XCB_MOD_MASK_3);
6917         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
6918                 update_modkey(XCB_MOD_MASK_4);
6919         else
6920                 return (1);
6921         return (0);
6922 }
6923
6924 int
6925 setconfcolor(char *selector, char *value, int flags)
6926 {
6927         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
6928         return (0);
6929 }
6930
6931 int
6932 setconfregion(char *selector, char *value, int flags)
6933 {
6934         /* suppress unused warnings since vars are needed */
6935         (void)selector;
6936         (void)flags;
6937
6938         custom_region(value);
6939         return (0);
6940 }
6941
6942 int
6943 setautorun(char *selector, char *value, int flags)
6944 {
6945         int                     ws_id;
6946         char                    s[1024];
6947         char                    *ap, *sp;
6948         union arg               a;
6949         int                     argc = 0;
6950         pid_t                   pid;
6951         struct pid_e            *p;
6952
6953         /* suppress unused warnings since vars are needed */
6954         (void)selector;
6955         (void)flags;
6956
6957         if (getenv("SWM_STARTED"))
6958                 return (0);
6959
6960         bzero(s, sizeof s);
6961         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
6962                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
6963         ws_id--;
6964         if (ws_id < 0 || ws_id >= workspace_limit)
6965                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
6966
6967         sp = expand_tilde((char *)&s);
6968
6969         /*
6970          * This is a little intricate
6971          *
6972          * If the pid already exists we simply reuse it because it means it was
6973          * used before AND not claimed by manage_window.  We get away with
6974          * altering it in the parent after INSERT because this can not be a race
6975          */
6976         a.argv = NULL;
6977         while ((ap = strsep(&sp, " \t")) != NULL) {
6978                 if (*ap == '\0')
6979                         continue;
6980                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
6981                 argc++;
6982                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
6983                         err(1, "setautorun: realloc");
6984                 a.argv[argc - 1] = ap;
6985         }
6986         free(sp);
6987
6988         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
6989                 err(1, "setautorun: realloc");
6990         a.argv[argc] = NULL;
6991
6992         if ((pid = fork()) == 0) {
6993                 spawn(ws_id, &a, 1);
6994                 /* NOTREACHED */
6995                 _exit(1);
6996         }
6997         free(a.argv);
6998
6999         /* parent */
7000         p = find_pid(pid);
7001         if (p == NULL) {
7002                 p = calloc(1, sizeof *p);
7003                 if (p == NULL)
7004                         return (1);
7005                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
7006         }
7007
7008         p->pid = pid;
7009         p->ws = ws_id;
7010
7011         return (0);
7012 }
7013
7014 int
7015 setlayout(char *selector, char *value, int flags)
7016 {
7017         int                     ws_id, i, x, mg, ma, si, ar, f = 0;
7018         int                     st = SWM_V_STACK, num_screens;
7019         char                    s[1024];
7020         struct workspace        *ws;
7021
7022         /* suppress unused warnings since vars are needed */
7023         (void)selector;
7024         (void)flags;
7025
7026         if (getenv("SWM_STARTED"))
7027                 return (0);
7028
7029         bzero(s, sizeof s);
7030         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
7031             &ws_id, &mg, &ma, &si, &ar, s) != 6)
7032                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
7033                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
7034                     "<type>'");
7035         ws_id--;
7036         if (ws_id < 0 || ws_id >= workspace_limit)
7037                 errx(1, "layout: invalid workspace %d", ws_id + 1);
7038
7039         if (!strcasecmp(s, "vertical"))
7040                 st = SWM_V_STACK;
7041         else if (!strcasecmp(s, "vertical_flip")) {
7042                 st = SWM_V_STACK;
7043                 f = 1;
7044         } else if (!strcasecmp(s, "horizontal"))
7045                 st = SWM_H_STACK;
7046         else if (!strcasecmp(s, "horizontal_flip")) {
7047                 st = SWM_H_STACK;
7048                 f = 1;
7049         } else if (!strcasecmp(s, "fullscreen"))
7050                 st = SWM_MAX_STACK;
7051         else
7052                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
7053                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
7054                     "<type>'");
7055
7056         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7057         for (i = 0; i < num_screens; i++) {
7058                 ws = (struct workspace *)&screens[i].ws;
7059                 ws[ws_id].cur_layout = &layouts[st];
7060
7061                 ws[ws_id].always_raise = ar;
7062                 if (st == SWM_MAX_STACK)
7063                         continue;
7064
7065                 /* master grow */
7066                 for (x = 0; x < abs(mg); x++) {
7067                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7068                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
7069                             SWM_ARG_ID_MASTERSHRINK);
7070                         stack();
7071                 }
7072                 /* master add */
7073                 for (x = 0; x < abs(ma); x++) {
7074                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7075                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
7076                             SWM_ARG_ID_MASTERDEL);
7077                         stack();
7078                 }
7079                 /* stack inc */
7080                 for (x = 0; x < abs(si); x++) {
7081                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7082                             si >= 0 ?  SWM_ARG_ID_STACKINC :
7083                             SWM_ARG_ID_STACKDEC);
7084                         stack();
7085                 }
7086                 /* Apply flip */
7087                 if (f) {
7088                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7089                             SWM_ARG_ID_FLIPLAYOUT);
7090                         stack();
7091                 }
7092         }
7093
7094         focus_flush();
7095
7096         return (0);
7097 }
7098
7099 /* config options */
7100 struct config_option {
7101         char                    *optname;
7102         int                     (*func)(char*, char*, int);
7103         int                     funcflags;
7104 };
7105 struct config_option configopt[] = {
7106         { "autorun",                    setautorun,     0 },
7107         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
7108         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
7109         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
7110         { "bar_border_unfocus",         setconfcolor,   SWM_S_COLOR_BAR_BORDER_UNFOCUS },
7111         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
7112         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
7113         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
7114         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
7115         { "bar_enabled_ws",             setconfvalue,   SWM_S_BAR_ENABLED_WS },
7116         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
7117         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
7118         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
7119         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
7120         { "bind",                       setconfbinding, 0 },
7121         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
7122         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
7123         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
7124         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
7125         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
7126         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
7127         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
7128         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
7129         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
7130         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
7131         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
7132         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
7133         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
7134         { "keyboard_mapping",           setkeymapping,  0 },
7135         { "layout",                     setlayout,      0 },
7136         { "modkey",                     setconfmodkey,  0 },
7137         { "program",                    setconfspawn,   0 },
7138         { "quirk",                      setconfquirk,   0 },
7139         { "region",                     setconfregion,  0 },
7140         { "region_padding",             setconfvalue,   SWM_S_REGION_PADDING },
7141         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
7142         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
7143         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
7144         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
7145         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
7146         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
7147         { "tile_gap",                   setconfvalue,   SWM_S_TILE_GAP },
7148         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
7149         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
7150         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
7151         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
7152         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
7153         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
7154 };
7155
7156 int
7157 conf_load(const char *filename, int keymapping)
7158 {
7159         FILE                    *config;
7160         char                    *line, *cp, *optsub, *optval;
7161         size_t                  linelen, lineno = 0;
7162         int                     wordlen, i, optidx;
7163         struct config_option    *opt = NULL;
7164
7165         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
7166
7167         if (filename == NULL) {
7168                 warnx("conf_load: no filename");
7169                 return (1);
7170         }
7171         if ((config = fopen(filename, "r")) == NULL) {
7172                 warn("conf_load: fopen: %s", filename);
7173                 return (1);
7174         }
7175
7176         while (!feof(config)) {
7177                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
7178                     == NULL) {
7179                         if (ferror(config))
7180                                 err(1, "%s", filename);
7181                         else
7182                                 continue;
7183                 }
7184                 cp = line;
7185                 cp += strspn(cp, " \t\n"); /* eat whitespace */
7186                 if (cp[0] == '\0') {
7187                         /* empty line */
7188                         free(line);
7189                         continue;
7190                 }
7191                 /* get config option */
7192                 wordlen = strcspn(cp, "=[ \t\n");
7193                 if (wordlen == 0) {
7194                         warnx("%s: line %zd: no option found",
7195                             filename, lineno);
7196                         goto out;
7197                 }
7198                 optidx = -1;
7199                 for (i = 0; i < LENGTH(configopt); i++) {
7200                         opt = &configopt[i];
7201                         if (!strncasecmp(cp, opt->optname, wordlen) &&
7202                             (int)strlen(opt->optname) == wordlen) {
7203                                 optidx = i;
7204                                 break;
7205                         }
7206                 }
7207                 if (optidx == -1) {
7208                         warnx("%s: line %zd: unknown option %.*s",
7209                             filename, lineno, wordlen, cp);
7210                         goto out;
7211                 }
7212                 if (keymapping && opt && strcmp(opt->optname, "bind")) {
7213                         warnx("%s: line %zd: invalid option %.*s",
7214                             filename, lineno, wordlen, cp);
7215                         goto out;
7216                 }
7217                 cp += wordlen;
7218                 cp += strspn(cp, " \t\n"); /* eat whitespace */
7219                 /* get [selector] if any */
7220                 optsub = NULL;
7221                 if (*cp == '[') {
7222                         cp++;
7223                         wordlen = strcspn(cp, "]");
7224                         if (*cp != ']') {
7225                                 if (wordlen == 0) {
7226                                         warnx("%s: line %zd: syntax error",
7227                                             filename, lineno);
7228                                         goto out;
7229                                 }
7230
7231                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
7232                                     -1) {
7233                                         warnx("%s: line %zd: unable to allocate"
7234                                             "memory for selector", filename,
7235                                             lineno);
7236                                         goto out;
7237                                 }
7238                         }
7239                         cp += wordlen;
7240                         cp += strspn(cp, "] \t\n"); /* eat trailing */
7241                 }
7242                 cp += strspn(cp, "= \t\n"); /* eat trailing */
7243                 /* get RHS value */
7244                 optval = strdup(cp);
7245                 /* call function to deal with it all */
7246                 if (configopt[optidx].func(optsub, optval,
7247                     configopt[optidx].funcflags) != 0)
7248                         errx(1, "%s: line %zd: invalid data for %s",
7249                             filename, lineno, configopt[optidx].optname);
7250                 free(optval);
7251                 free(optsub);
7252                 free(line);
7253         }
7254
7255         fclose(config);
7256         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
7257
7258         return (0);
7259
7260 out:
7261         free(line);
7262         fclose(config);
7263         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
7264
7265         return (1);
7266 }
7267
7268 void
7269 set_child_transient(struct ws_win *win, xcb_window_t *trans)
7270 {
7271         struct ws_win           *parent, *w;
7272         struct swm_region       *r;
7273         struct workspace        *ws;
7274         xcb_icccm_wm_hints_t    wmh;
7275
7276         parent = find_window(win->transient);
7277         if (parent)
7278                 parent->focus_child = win;
7279         else {
7280                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
7281                     " for 0x%x trans 0x%x\n", win->id, win->transient);
7282
7283                 r = root_to_region(win->wa->root, SWM_CK_ALL);
7284                 ws = r->ws;
7285                 /* parent doen't exist in our window list */
7286                 TAILQ_FOREACH(w, &ws->winlist, entry) {
7287                         if (xcb_icccm_get_wm_hints_reply(conn,
7288                             xcb_icccm_get_wm_hints(conn, w->id),
7289                             &wmh, NULL) != 1) {
7290                                 warnx("can't get hints for 0x%x", w->id);
7291                                 continue;
7292                         }
7293
7294                         if (win->hints.window_group != wmh.window_group)
7295                                 continue;
7296
7297                         w->focus_child = win;
7298                         win->transient = w->id;
7299                         *trans = w->id;
7300                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
7301                             "transient to 0x%x\n", win->transient);
7302                         break;
7303                 }
7304         }
7305 }
7306
7307 pid_t
7308 window_get_pid(xcb_window_t win)
7309 {
7310         pid_t                           ret = 0;
7311         const char                      *errstr;
7312         xcb_atom_t                      apid;
7313         xcb_get_property_cookie_t       pc;
7314         xcb_get_property_reply_t        *pr;
7315
7316         apid = get_atom_from_string("_NET_WM_PID");
7317         if (apid == XCB_ATOM_NONE)
7318                 goto tryharder;
7319
7320         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
7321         pr = xcb_get_property_reply(conn, pc, NULL);
7322         if (!pr)
7323                 goto tryharder;
7324         if (pr->type != XCB_ATOM_CARDINAL) {
7325                 free(pr);
7326                 goto tryharder;
7327         }
7328
7329         if (pr->type == apid && pr->format == 32)
7330                 ret = *((pid_t *)xcb_get_property_value(pr));
7331         free(pr);
7332
7333         return (ret);
7334
7335 tryharder:
7336         apid = get_atom_from_string("_SWM_PID");
7337         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
7338             0, SWM_PROPLEN);
7339         pr = xcb_get_property_reply(conn, pc, NULL);
7340         if (!pr)
7341                 return (0);
7342         if (pr->type != apid) {
7343                 free(pr);
7344                 return (0);
7345         }
7346
7347         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
7348         free(pr);
7349
7350         return (ret);
7351 }
7352
7353 int
7354 get_ws_idx(xcb_window_t id)
7355 {
7356         int                     ws_idx = -1;
7357         char                    *prop = NULL;
7358         size_t                  proplen;
7359         const char              *errstr;
7360         xcb_get_property_reply_t        *gpr;
7361
7362         gpr = xcb_get_property_reply(conn,
7363                 xcb_get_property(conn, 0, id, a_swm_ws,
7364                     XCB_ATOM_STRING, 0, SWM_PROPLEN),
7365                 NULL);
7366         if (!gpr)
7367                 return (-1);
7368         if (gpr->type) {
7369                 proplen = xcb_get_property_value_length(gpr);
7370                 if (proplen > 0) {
7371                         prop = malloc(proplen + 1);
7372                         if (prop) {
7373                                 memcpy(prop,
7374                                     xcb_get_property_value(gpr),
7375                                     proplen);
7376                                 prop[proplen] = '\0';
7377                         }
7378                 }
7379         }
7380         free(gpr);
7381
7382         if (prop) {
7383                 DNPRINTF(SWM_D_PROP, "get_ws_idx: _SWM_WS: %s\n", prop);
7384                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1, &errstr);
7385                 if (errstr) {
7386                         DNPRINTF(SWM_D_PROP, "get_ws_idx: window: #%s: %s",
7387                             errstr, prop);
7388                 }
7389                 free(prop);
7390         }
7391
7392         return ws_idx;
7393 }
7394
7395 struct ws_win *
7396 manage_window(xcb_window_t id, uint16_t mapped)
7397 {
7398         xcb_window_t            trans = XCB_WINDOW_NONE;
7399         struct ws_win           *win, *ww;
7400         int                     ws_idx;
7401         char                    ws_idx_str[SWM_PROPLEN];
7402         struct swm_region       *r;
7403         struct pid_e            *p;
7404         struct quirk            *qp;
7405         uint32_t                i, wa[2];
7406         xcb_icccm_get_wm_protocols_reply_t      wpr;
7407
7408         if ((win = find_window(id)) != NULL) {
7409                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x already "
7410                     "managed; skipping.)\n", id);
7411                 return (win);   /* Already managed. */
7412         }
7413
7414         /* See if window is on the unmanaged list. */
7415         if ((win = find_unmanaged_window(id)) != NULL) {
7416                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x found on "
7417                     "unmanaged list.\n", id);
7418                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
7419
7420                 if (win->transient)
7421                         set_child_transient(win, &trans);
7422
7423                 goto out;
7424         } else {
7425                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x is new.\n", id);
7426         }
7427
7428         /* Create and initialize ws_win object. */
7429         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
7430                 err(1, "manage_window: calloc: failed to allocate memory for "
7431                     "new window");
7432
7433         win->id = id;
7434
7435         /* Get window geometry. */
7436         win->wa = xcb_get_geometry_reply(conn,
7437             xcb_get_geometry(conn, win->id),
7438             NULL);
7439
7440         /* Figure out which region the window belongs to. */
7441         r = root_to_region(win->wa->root, SWM_CK_ALL);
7442
7443         /* Ignore window border if there is one. */
7444         WIDTH(win) = win->wa->width;
7445         HEIGHT(win) = win->wa->height;
7446         X(win) = win->wa->x + win->wa->border_width - border_width;
7447         Y(win) = win->wa->y + win->wa->border_width - border_width;
7448         win->bordered = 1;
7449         win->mapped = mapped;
7450         win->floatmaxed = 0;
7451         win->ewmh_flags = 0;
7452         win->s = r->s;  /* this never changes */
7453
7454         store_float_geom(win, r);
7455
7456         /* Get WM_SIZE_HINTS. */
7457         xcb_icccm_get_wm_normal_hints_reply(conn,
7458             xcb_icccm_get_wm_normal_hints(conn, win->id),
7459             &win->sh, NULL);
7460
7461         /* Get WM_HINTS. */
7462         xcb_icccm_get_wm_hints_reply(conn,
7463             xcb_icccm_get_wm_hints(conn, win->id),
7464             &win->hints, NULL);
7465
7466         /* Get WM_TRANSIENT_FOR; see if window is a transient. */
7467         xcb_icccm_get_wm_transient_for_reply(conn,
7468             xcb_icccm_get_wm_transient_for(conn, win->id),
7469             &trans, NULL);
7470         if (trans) {
7471                 win->transient = trans;
7472                 set_child_transient(win, &win->transient);
7473         }
7474
7475         /* Get supported protocols. */
7476         if (xcb_icccm_get_wm_protocols_reply(conn,
7477             xcb_icccm_get_wm_protocols(conn, win->id, a_prot),
7478             &wpr, NULL)) {
7479                 for (i = 0; i < wpr.atoms_len; i++) {
7480                         if (wpr.atoms[i] == a_takefocus)
7481                                 win->take_focus = 1;
7482                         if (wpr.atoms[i] == a_delete)
7483                                 win->can_delete = 1;
7484                 }
7485                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
7486         }
7487
7488         win->iconic = get_swm_iconic(win);
7489
7490         /* Figure out which workspace the window belongs to. */
7491         if ((p = find_pid(window_get_pid(win->id))) != NULL) {
7492                 win->ws = &r->s->ws[p->ws];
7493                 TAILQ_REMOVE(&pidlist, p, entry);
7494                 free(p);
7495                 p = NULL;
7496         } else if ((ws_idx = get_ws_idx(win->id)) != -1 &&
7497             !win->transient) {
7498                 /* _SWM_WS is set; use that. */
7499                 win->ws = &r->s->ws[ws_idx];
7500         } else if (trans && (ww = find_window(trans)) != NULL) {
7501                 /* Launch transients in the same ws as parent. */
7502                 win->ws = ww->ws;
7503         } else {
7504                 win->ws = r->ws;
7505         }
7506
7507         /* Set the _SWM_WS atom so we can remember this after reincarnation. */
7508         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", win->ws->idx) <
7509             SWM_PROPLEN) {
7510                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
7511                     ws_idx_str);
7512                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
7513                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
7514                     ws_idx_str);
7515         }
7516
7517         /* Handle EWMH */
7518         ewmh_autoquirk(win);
7519
7520         /* Determine initial quirks. */
7521         if (xcb_icccm_get_wm_class_reply(conn,
7522             xcb_icccm_get_wm_class(conn, win->id),
7523             &win->ch, NULL)) {
7524                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
7525                     win->ch.class_name, win->ch.instance_name);
7526
7527                 /* java is retarded so treat it special */
7528                 if (strstr(win->ch.instance_name, "sun-awt")) {
7529                         DNPRINTF(SWM_D_CLASS, "manage_window: java window "
7530                             "detected.\n");
7531                         win->java = 1;
7532                 }
7533
7534                 TAILQ_FOREACH(qp, &quirks, entry) {
7535                         if (!strcmp(win->ch.class_name, qp->class) &&
7536                             !strcmp(win->ch.instance_name, qp->name)) {
7537                                 DNPRINTF(SWM_D_CLASS, "manage_window: on quirks"
7538                                     "list; mask: 0x%lx\n", qp->quirk);
7539                                 if (qp->quirk & SWM_Q_FLOAT)
7540                                         win->floating = 1;
7541                                 win->quirks = qp->quirk;
7542                         }
7543                 }
7544         }
7545
7546         /* Alter window position if quirky */
7547         if (win->quirks & SWM_Q_ANYWHERE)
7548                 win->manual = 1;
7549
7550         /* Reset font sizes (the bruteforce way; no default keybinding). */
7551         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
7552                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7553                         fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
7554                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7555                         fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
7556         }
7557
7558         /* Make sure window is positioned inside its region, if its active. */
7559         if (win->ws->r) {
7560                 constrain_window(win, win->ws->r, 0);
7561                 update_window(win);
7562         }
7563
7564         /* Select which X events to monitor and set border pixel color. */
7565         wa[0] = win->s->c[SWM_S_COLOR_UNFOCUS].pixel;
7566         wa[1] = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_PROPERTY_CHANGE |
7567             XCB_EVENT_MASK_STRUCTURE_NOTIFY;
7568 #ifdef SWM_DEBUG
7569         wa[1] |= XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE;
7570 #endif
7571
7572         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL |
7573             XCB_CW_EVENT_MASK, wa);
7574
7575 out:
7576         /* Figure out where to stack the window in the workspace. */
7577         if (trans && (ww = find_window(trans)))
7578                 TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
7579         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
7580                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
7581                     entry);
7582         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
7583                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
7584         else switch (spawn_position) {
7585         default:
7586         case SWM_STACK_TOP:
7587         case SWM_STACK_ABOVE:
7588                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
7589                 break;
7590         case SWM_STACK_BOTTOM:
7591         case SWM_STACK_BELOW:
7592                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
7593         }
7594
7595         /* Get initial _NET_WM_STATE */
7596         ewmh_get_win_state(win);
7597         /* Set initial _NET_WM_ALLOWED_ACTIONS */
7598         ewmh_update_actions(win);
7599
7600         grabbuttons(win);
7601
7602         DNPRINTF(SWM_D_MISC, "manage_window: done. window: 0x%x, (x,y) w x h: "
7603             "(%d,%d) %d x %d, ws: %d, iconic: %s, transient: 0x%x\n", win->id,
7604             X(win), Y(win), WIDTH(win), HEIGHT(win), win->ws->idx,
7605             YESNO(win->iconic), win->transient);
7606
7607         return (win);
7608 }
7609
7610 void
7611 free_window(struct ws_win *win)
7612 {
7613         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
7614
7615         if (win == NULL)
7616                 return;
7617
7618         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
7619
7620         if (win->wa)
7621                 free(win->wa);
7622
7623         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
7624
7625         kill_refs(win);
7626
7627         /* paint memory */
7628         memset(win, 0xff, sizeof *win); /* XXX kill later */
7629
7630         free(win);
7631         DNPRINTF(SWM_D_MISC, "free_window: done.\n");
7632 }
7633
7634 void
7635 unmanage_window(struct ws_win *win)
7636 {
7637         struct ws_win           *parent;
7638
7639         if (win == NULL)
7640                 return;
7641
7642         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
7643
7644         if (win->transient) {
7645                 parent = find_window(win->transient);
7646                 if (parent)
7647                         parent->focus_child = NULL;
7648         }
7649
7650         TAILQ_REMOVE(&win->ws->winlist, win, entry);
7651         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
7652 }
7653
7654 void
7655 expose(xcb_expose_event_t *e)
7656 {
7657         int                     i, num_screens;
7658         struct swm_region       *r;
7659
7660         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
7661
7662         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7663         for (i = 0; i < num_screens; i++)
7664                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7665                         if (e->window == WINID(r->bar))
7666                                 bar_draw();
7667
7668         xcb_flush(conn);
7669 }
7670
7671 #ifdef SWM_DEBUG
7672 void
7673 focusin(xcb_focus_in_event_t *e)
7674 {
7675         DNPRINTF(SWM_D_EVENT, "focusin: window: 0x%x, mode: %s(%u), "
7676             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
7677             e->mode, get_notify_detail_label(e->detail), e->detail);
7678 }
7679
7680 void
7681 focusout(xcb_focus_out_event_t *e)
7682 {
7683         DNPRINTF(SWM_D_EVENT, "focusout: window: 0x%x, mode: %s(%u), "
7684             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
7685             e->mode, get_notify_detail_label(e->detail), e->detail);
7686 }
7687 #endif
7688
7689 void
7690 keypress(xcb_key_press_event_t *e)
7691 {
7692         xcb_keysym_t            keysym;
7693         struct key              *kp;
7694
7695         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
7696
7697         DNPRINTF(SWM_D_EVENT, "keypress: keysym: %u, win (x,y): 0x%x (%d,%d), "
7698             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
7699             "state: %u, same_screen: %s\n", keysym, e->event, e->event_x,
7700             e->event_y, e->detail, e->time, e->root, e->root_x, e->root_y,
7701             e->child, e->state, YESNO(e->same_screen));
7702
7703         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
7704                 goto out;
7705
7706         last_event_time = e->time;
7707
7708         if (kp->funcid == KF_SPAWN_CUSTOM)
7709                 spawn_custom(root_to_region(e->root, SWM_CK_ALL),
7710                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
7711         else if (keyfuncs[kp->funcid].func)
7712                 keyfuncs[kp->funcid].func(root_to_region(e->root, SWM_CK_ALL),
7713                     &(keyfuncs[kp->funcid].args));
7714
7715 out:
7716         /* Unfreeze grab events. */
7717         xcb_allow_events(conn, XCB_ALLOW_ASYNC_KEYBOARD, e->time);
7718         xcb_flush(conn);
7719
7720         DNPRINTF(SWM_D_EVENT, "keypress: done.\n");
7721 }
7722
7723 void
7724 buttonpress(xcb_button_press_event_t *e)
7725 {
7726         struct ws_win           *win = NULL;
7727         struct swm_region       *r, *old_r;
7728         int                     i;
7729         int                     handled = 0;
7730
7731         DNPRINTF(SWM_D_EVENT, "buttonpress: win (x,y): 0x%x (%d,%d), "
7732             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
7733             "state: %u, same_screen: %s\n", e->event, e->event_x, e->event_y,
7734             e->detail, e->time, e->root, e->root_x, e->root_y, e->child,
7735             e->state, YESNO(e->same_screen));
7736
7737         if (e->event == e->root) {
7738                 if (e->child != 0) {
7739                         win = find_window(e->child);
7740                         /* Pass ButtonPress to window if it isn't managed. */
7741                         if (win == NULL)
7742                                 goto out;
7743                 } else {
7744                         /* Focus on empty region */
7745                         /* If no windows on region if its empty. */
7746                         r = root_to_region(e->root, SWM_CK_POINTER);
7747                         if (r == NULL) {
7748                                 DNPRINTF(SWM_D_EVENT, "buttonpress: "
7749                                     "NULL region; ignoring.\n");
7750                                 goto out;
7751                         }
7752
7753                         if (TAILQ_EMPTY(&r->ws->winlist)) {
7754                                 old_r = root_to_region(e->root, SWM_CK_FOCUS);
7755                                 if (old_r && old_r != r)
7756                                         unfocus_win(old_r->ws->focus);
7757
7758                                 xcb_set_input_focus(conn,
7759                                     XCB_INPUT_FOCUS_PARENT, e->root, e->time);
7760
7761                                 /* Clear bar since empty. */
7762                                 bar_draw();
7763
7764                                 handled = 1;
7765                                 goto out;
7766                         }
7767                 }
7768         } else {
7769                 win = find_window(e->event);
7770         }
7771
7772         if (win == NULL)
7773                 goto out;
7774
7775         last_event_time = e->time;
7776
7777         focus_win(get_focus_magic(win));
7778
7779         for (i = 0; i < LENGTH(buttons); i++)
7780                 if (client_click == buttons[i].action && buttons[i].func &&
7781                     buttons[i].button == e->detail &&
7782                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state)) {
7783                         buttons[i].func(win, &buttons[i].args);
7784                         handled = 1;
7785                 }
7786
7787 out:
7788         if (!handled) {
7789                 DNPRINTF(SWM_D_EVENT, "buttonpress: passing to window.\n");
7790                 /* Replay event to event window */
7791                 xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, e->time);
7792         } else {
7793                 DNPRINTF(SWM_D_EVENT, "buttonpress: handled.\n");
7794                 /* Unfreeze grab events. */
7795                 xcb_allow_events(conn, XCB_ALLOW_SYNC_POINTER, e->time);
7796         }
7797
7798         xcb_flush(conn);
7799 }
7800
7801 #ifdef SWM_DEBUG
7802 void
7803 print_win_geom(xcb_window_t w)
7804 {
7805         xcb_get_geometry_reply_t        *wa;
7806
7807         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
7808
7809         if (!wa) {
7810                 DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: 0x%x\n",
7811                     w);
7812                 return;
7813         }
7814
7815         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
7816             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
7817             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
7818             wa->border_width);
7819
7820         free(wa);
7821 }
7822 #endif
7823
7824 #ifdef SWM_DEBUG
7825 char *
7826 get_stack_mode_name(uint8_t mode)
7827 {
7828         char    *name;
7829
7830         switch(mode) {
7831         case XCB_STACK_MODE_ABOVE:
7832                 name = "Above";
7833                 break;
7834         case XCB_STACK_MODE_BELOW:
7835                 name = "Below";
7836                 break;
7837         case XCB_STACK_MODE_TOP_IF:
7838                 name = "TopIf";
7839                 break;
7840         case XCB_STACK_MODE_BOTTOM_IF:
7841                 name = "BottomIf";
7842                 break;
7843         case XCB_STACK_MODE_OPPOSITE:
7844                 name = "Opposite";
7845                 break;
7846         default:
7847                 name = "Unknown";
7848         }
7849
7850         return name;
7851 }
7852 #endif
7853
7854 void
7855 configurerequest(xcb_configure_request_event_t *e)
7856 {
7857         struct ws_win           *win;
7858         struct swm_region       *r = NULL;
7859         int                     new = 0, i = 0;
7860         uint16_t                mask = 0;
7861         uint32_t                wc[7] = {0};
7862
7863         if ((win = find_window(e->window)) == NULL)
7864                 if ((win = find_unmanaged_window(e->window)) == NULL)
7865                         new = 1;
7866
7867 #ifdef SWM_DEBUG
7868         if (swm_debug & SWM_D_EVENT) {
7869                 print_win_geom(e->window);
7870
7871                 DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%x, "
7872                     "parent: 0x%x, new: %s, value_mask: %u { ", e->window,
7873                     e->parent, YESNO(new), e->value_mask);
7874                 if (e->value_mask & XCB_CONFIG_WINDOW_X)
7875                         DPRINTF("X: %d ", e->x);
7876                 if (e->value_mask & XCB_CONFIG_WINDOW_Y)
7877                         DPRINTF("Y: %d ", e->y);
7878                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
7879                         DPRINTF("W: %u ", e->width);
7880                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
7881                         DPRINTF("H: %u ", e->height);
7882                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
7883                         DPRINTF("Border: %u ", e->border_width);
7884                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING)
7885                         DPRINTF("Sibling: 0x%x ", e->sibling);
7886                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE)
7887                         DPRINTF("StackMode: %s(%u) ",
7888                             get_stack_mode_name(e->stack_mode), e->stack_mode);
7889                 DPRINTF("}\n");
7890         }
7891 #endif
7892
7893         if (new) {
7894                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
7895                         mask |= XCB_CONFIG_WINDOW_X;
7896                         wc[i++] = e->x;
7897                 }
7898                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
7899                         mask |= XCB_CONFIG_WINDOW_Y;
7900                         wc[i++] = e->y;
7901                 }
7902                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
7903                         mask |= XCB_CONFIG_WINDOW_WIDTH;
7904                         wc[i++] = e->width;
7905                 }
7906                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
7907                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
7908                         wc[i++] = e->height;
7909                 }
7910                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
7911                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
7912                         wc[i++] = e->border_width;
7913                 }
7914                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
7915                         mask |= XCB_CONFIG_WINDOW_SIBLING;
7916                         wc[i++] = e->sibling;
7917                 }
7918                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
7919                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
7920                         wc[i++] = e->stack_mode;
7921                 }
7922
7923                 if (mask != 0) {
7924                         xcb_configure_window(conn, e->window, mask, wc);
7925                         xcb_flush(conn);
7926                 }
7927         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
7928             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
7929                 if (win->ws->r)
7930                         r = win->ws->r;
7931                 else if (win->ws->old_r)
7932                         r = win->ws->old_r;
7933
7934                 /* windows are centered unless ANYWHERE quirk is set. */
7935                 if (win->quirks & SWM_Q_ANYWHERE) {
7936                         if (e->value_mask & XCB_CONFIG_WINDOW_X) {
7937                                 win->g_float.x = e->x;
7938                                 if (r)
7939                                         win->g_float.x -= X(r);
7940                         }
7941
7942                         if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
7943                                 win->g_float.y = e->y;
7944                                 if (r)
7945                                         win->g_float.y -= Y(r);
7946                         }
7947                 }
7948
7949                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
7950                         win->g_float.w = e->width;
7951
7952                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
7953                         win->g_float.h = e->height;
7954
7955                 win->g_floatvalid = 1;
7956
7957                 if (win->floating && r && (win->transient ||
7958                     win->ws->cur_layout != &layouts[SWM_MAX_STACK])) {
7959                         WIDTH(win) = win->g_float.w;
7960                         HEIGHT(win) = win->g_float.h;
7961
7962                         if (r) {
7963                                 stack_floater(win, r);
7964                                 focus_flush();
7965                         }
7966                 } else {
7967                         config_win(win, e);
7968                         xcb_flush(conn);
7969                 }
7970         } else {
7971                 config_win(win, e);
7972                 xcb_flush(conn);
7973         }
7974
7975         DNPRINTF(SWM_D_EVENT, "configurerequest: done.\n");
7976 }
7977
7978 void
7979 configurenotify(xcb_configure_notify_event_t *e)
7980 {
7981         struct ws_win           *win;
7982
7983         DNPRINTF(SWM_D_EVENT, "configurenotify: win 0x%x, event win: 0x%x, "
7984             "(x,y) WxH: (%d,%d) %ux%u, border: %u, above_sibling: 0x%x, "
7985             "override_redirect: %s\n", e->window, e->event, e->x, e->y,
7986             e->width, e->height, e->border_width, e->above_sibling,
7987             YESNO(e->override_redirect));
7988
7989         win = find_window(e->window);
7990         if (win) {
7991                 xcb_icccm_get_wm_normal_hints_reply(conn,
7992                     xcb_icccm_get_wm_normal_hints(conn, win->id),
7993                     &win->sh, NULL);
7994                 adjust_font(win);
7995                 if (font_adjusted) {
7996                         stack();
7997                         xcb_flush(conn);
7998                 }
7999         }
8000 }
8001
8002 void
8003 destroynotify(xcb_destroy_notify_event_t *e)
8004 {
8005         struct ws_win           *win;
8006
8007         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
8008
8009         if ((win = find_window(e->window)) == NULL) {
8010                 if ((win = find_unmanaged_window(e->window)) == NULL)
8011                         return;
8012                 free_window(win);
8013                 return;
8014         }
8015
8016         if (focus_mode != SWM_FOCUS_FOLLOW) {
8017                 /* If we were focused, make sure we focus on something else. */
8018                 if (win == win->ws->focus)
8019                         win->ws->focus_pending = get_focus_prev(win);
8020         }
8021
8022         unmanage_window(win);
8023         stack();
8024
8025         if (focus_mode != SWM_FOCUS_FOLLOW) {
8026                 if (win->ws->focus_pending) {
8027                         focus_win(win->ws->focus_pending);
8028                         win->ws->focus_pending = NULL;
8029                 }
8030         }
8031
8032         free_window(win);
8033
8034         focus_flush();
8035 }
8036
8037 #ifdef SWM_DEBUG
8038 char *
8039 get_notify_detail_label(uint8_t detail)
8040 {
8041         char *label;
8042
8043         switch (detail) {
8044         case XCB_NOTIFY_DETAIL_ANCESTOR:
8045                 label = "Ancestor";
8046                 break;
8047         case XCB_NOTIFY_DETAIL_VIRTUAL:
8048                 label = "Virtual";
8049                 break;
8050         case XCB_NOTIFY_DETAIL_INFERIOR:
8051                 label = "Inferior";
8052                 break;
8053         case XCB_NOTIFY_DETAIL_NONLINEAR:
8054                 label = "Nonlinear";
8055                 break;
8056         case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
8057                 label = "NonlinearVirtual";
8058                 break;
8059         case XCB_NOTIFY_DETAIL_POINTER:
8060                 label = "Pointer";
8061                 break;
8062         case XCB_NOTIFY_DETAIL_POINTER_ROOT:
8063                 label = "PointerRoot";
8064                 break;
8065         case XCB_NOTIFY_DETAIL_NONE:
8066                 label = "None";
8067                 break;
8068         default:
8069                 label = "Unknown";
8070         }
8071
8072         return label;
8073 }
8074
8075 char *
8076 get_notify_mode_label(uint8_t mode)
8077 {
8078         char *label;
8079
8080         switch (mode) {
8081         case XCB_NOTIFY_MODE_NORMAL:
8082                 label = "Normal";
8083                 break;
8084         case XCB_NOTIFY_MODE_GRAB:
8085                 label = "Grab";
8086                 break;
8087         case XCB_NOTIFY_MODE_UNGRAB:
8088                 label = "Ungrab";
8089                 break;
8090         case XCB_NOTIFY_MODE_WHILE_GRABBED:
8091                 label = "WhileGrabbed";
8092                 break;
8093         default:
8094                 label = "Unknown";
8095         }
8096
8097         return label;
8098 }
8099 #endif
8100
8101 void
8102 enternotify(xcb_enter_notify_event_t *e)
8103 {
8104         struct ws_win           *win;
8105         struct swm_region       *r;
8106
8107         DNPRINTF(SWM_D_FOCUS, "enternotify: time: %u, win (x,y): 0x%x "
8108             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8109             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8110             e->time, e->event, e->event_x, e->event_y,
8111             get_notify_mode_label(e->mode), e->mode,
8112             get_notify_detail_label(e->detail), e->detail,
8113             e->root, e->root_x, e->root_y, e->child,
8114             YESNO(e->same_screen_focus), e->state);
8115
8116         if (focus_mode == SWM_FOCUS_MANUAL &&
8117             e->mode == XCB_NOTIFY_MODE_NORMAL) {
8118                 DNPRINTF(SWM_D_EVENT, "enternotify: manual focus; ignoring.\n");
8119                 return;
8120         }
8121
8122         last_event_time = e->time;
8123
8124         if ((win = find_window(e->event)) == NULL) {
8125                 if (e->event == e->root) {
8126                         /* If no windows on pointer region, then focus root. */
8127                         r = root_to_region(e->root, SWM_CK_POINTER);
8128                         if (r == NULL) {
8129                                 DNPRINTF(SWM_D_EVENT, "enterntoify: "
8130                                     "NULL region; ignoring.\n");
8131                                 return;
8132                         }
8133
8134                         focus_region(r);
8135                 } else {
8136                         DNPRINTF(SWM_D_EVENT, "enternotify: window is NULL; "
8137                             "ignoring\n");
8138                         return;
8139                 }
8140         } else {
8141                 focus_win(get_focus_magic(win));
8142         }
8143
8144         focus_flush();
8145 }
8146
8147 #ifdef SWM_DEBUG
8148 void
8149 leavenotify(xcb_leave_notify_event_t *e)
8150 {
8151         DNPRINTF(SWM_D_FOCUS, "leavenotify: time: %u, win (x,y): 0x%x "
8152             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8153             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8154             e->time, e->event, e->event_x, e->event_y,
8155             get_notify_mode_label(e->mode), e->mode,
8156             get_notify_detail_label(e->detail), e->detail,
8157             e->root, e->root_x, e->root_y, e->child,
8158             YESNO(e->same_screen_focus), e->state);
8159 }
8160 #endif
8161
8162 void
8163 mapnotify(xcb_map_notify_event_t *e)
8164 {
8165         struct ws_win           *win;
8166
8167         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
8168
8169         if ((win = find_window(e->window)) == NULL)
8170                 win = manage_window(e->window, 1);
8171
8172         win->mapped = 1;
8173         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
8174
8175         if (focus_mode != SWM_FOCUS_FOLLOW) {
8176                 if (win->ws->focus_pending == win) {
8177                         focus_win(win);
8178                         win->ws->focus_pending = NULL;
8179                         focus_flush();
8180                 }
8181         }
8182
8183         xcb_flush(conn);
8184 }
8185
8186 void
8187 mappingnotify(xcb_mapping_notify_event_t *e)
8188 {
8189         xcb_refresh_keyboard_mapping(syms, e);
8190
8191         if (e->request == XCB_MAPPING_KEYBOARD)
8192                 grabkeys();
8193 }
8194
8195 void
8196 maprequest(xcb_map_request_event_t *e)
8197 {
8198         struct ws_win           *win;
8199         xcb_get_window_attributes_reply_t *war;
8200
8201         DNPRINTF(SWM_D_EVENT, "maprequest: win 0x%x\n",
8202             e->window);
8203
8204         war = xcb_get_window_attributes_reply(conn,
8205             xcb_get_window_attributes(conn, e->window),
8206             NULL);
8207         if (war == NULL) {
8208                 DNPRINTF(SWM_D_EVENT, "maprequest: window lost.\n");
8209                 goto out;
8210         }
8211
8212         if (war->override_redirect) {
8213                 DNPRINTF(SWM_D_EVENT, "maprequest: override_redirect; "
8214                     "skipping.\n");
8215                 goto out;
8216         }
8217
8218         win = manage_window(e->window,
8219             (war->map_state == XCB_MAP_STATE_VIEWABLE));
8220
8221         /* The new window should get focus; prepare. */
8222         if (focus_mode != SWM_FOCUS_FOLLOW)
8223                 win->ws->focus_pending = get_focus_magic(win);
8224
8225         /* All windows need to be mapped if they are in the current workspace.*/
8226         if (win->ws->r)
8227                 stack();
8228
8229         /* Ignore EnterNotify to handle the mapnotify without interference. */
8230         if (focus_mode == SWM_FOCUS_DEFAULT)
8231                 event_drain(XCB_ENTER_NOTIFY);
8232 out:
8233         free(war);
8234         DNPRINTF(SWM_D_EVENT, "maprequest: done.\n");
8235 }
8236
8237 void
8238 motionnotify(xcb_motion_notify_event_t *e)
8239 {
8240         struct swm_region       *r;
8241         int                     i, num_screens;
8242
8243         DNPRINTF(SWM_D_FOCUS, "motionnotify: time: %u, win (x,y): 0x%x "
8244             "(%d,%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8245             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8246             e->time, e->event, e->event_x, e->event_y,
8247             get_notify_detail_label(e->detail), e->detail,
8248             e->root, e->root_x, e->root_y, e->child,
8249             YESNO(e->same_screen), e->state);
8250
8251         last_event_time = e->time;
8252
8253         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8254         for (i = 0; i < num_screens; i++)
8255                 if (screens[i].root == e->root)
8256                         break;
8257
8258         TAILQ_FOREACH(r, &screens[i].rl, entry)
8259                 if (X(r) <= e->root_x && e->root_x < MAX_X(r) &&
8260                     Y(r) <= e->root_y && e->root_y < MAX_Y(r))
8261                         break;
8262
8263         focus_region(r);
8264 }
8265
8266 #ifdef SWM_DEBUG
8267 char *
8268 get_atom_name(xcb_atom_t atom)
8269 {
8270         char                            *name = NULL;
8271 #if 0
8272         /*
8273          * This should be disabled during most debugging since
8274          * xcb_get_* causes an xcb_flush.
8275          */
8276         size_t                          len;
8277         xcb_get_atom_name_reply_t       *r;
8278
8279         r = xcb_get_atom_name_reply(conn,
8280             xcb_get_atom_name(conn, atom),
8281             NULL);
8282         if (r) {
8283                 len = xcb_get_atom_name_name_length(r);
8284                 if (len > 0) {
8285                         name = malloc(len + 1);
8286                         if (name) {
8287                                 memcpy(name, xcb_get_atom_name_name(r), len);
8288                                 name[len] = '\0';
8289                         }
8290                 }
8291                 free(r);
8292         }
8293 #else
8294         (void)atom;
8295 #endif
8296         return (name);
8297 }
8298 #endif
8299
8300 void
8301 propertynotify(xcb_property_notify_event_t *e)
8302 {
8303         struct ws_win           *win;
8304 #ifdef SWM_DEBUG
8305         char                    *name;
8306
8307         name = get_atom_name(e->atom);
8308         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u), "
8309             "time: %#x, state: %u\n", e->window, name, e->atom, e->time,
8310             e->state);
8311         free(name);
8312 #endif
8313         win = find_window(e->window);
8314         if (win == NULL)
8315                 return;
8316
8317         last_event_time = e->time;
8318
8319         if (e->atom == a_swm_iconic) {
8320                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8321                         if (focus_mode != SWM_FOCUS_FOLLOW)
8322                                 win->ws->focus_pending = get_focus_prev(win);
8323
8324                         unfocus_win(win);
8325                         unmap_window(win);
8326
8327                         if (win->ws->r) {
8328                                 stack();
8329                                 if (focus_mode != SWM_FOCUS_FOLLOW) {
8330                                         focus_win(win->ws->focus_pending);
8331                                         win->ws->focus_pending = NULL;
8332                                 }
8333                                 focus_flush();
8334                         }
8335                 } else if (e->state == XCB_PROPERTY_DELETE) {
8336                         /* The window is no longer iconic, restack ws. */
8337                         if (focus_mode != SWM_FOCUS_FOLLOW)
8338                                 win->ws->focus_pending = get_focus_magic(win);
8339
8340                         stack();
8341
8342                         /* Flush EnterNotify for mapnotify, if needed. */
8343                         focus_flush();
8344                 }
8345         } else if (e->atom == a_state) {
8346                 /* State just changed, make sure it gets focused if mapped. */
8347                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8348                         if (focus_mode != SWM_FOCUS_FOLLOW) {
8349                                 if (win->mapped &&
8350                                     win->ws->focus_pending == win) {
8351                                         focus_win(win->ws->focus_pending);
8352                                         win->ws->focus_pending = NULL;
8353                                 }
8354                         }
8355                 }
8356         } else if (e->atom == XCB_ATOM_WM_CLASS ||
8357             e->atom == XCB_ATOM_WM_NAME) {
8358                 bar_draw();
8359         }
8360
8361         xcb_flush(conn);
8362 }
8363
8364 void
8365 unmapnotify(xcb_unmap_notify_event_t *e)
8366 {
8367         struct ws_win           *win;
8368         struct workspace        *ws;
8369
8370         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
8371
8372         /* If we aren't managing the window, then ignore. */
8373         win = find_window(e->window);
8374         if (win == NULL || win->id != e->window)
8375                 return;
8376
8377         ws = win->ws;
8378
8379         if (getstate(e->window) != XCB_ICCCM_WM_STATE_ICONIC)
8380                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8381
8382         if (win->mapped) {
8383                 /* window unmapped itself */
8384                 /* do unmap/unfocus/restack and unmanage */
8385                 win->mapped = 0;
8386
8387                 /* If win was focused, make sure to focus on something else. */
8388                 if (win == ws->focus) {
8389                         if (focus_mode != SWM_FOCUS_FOLLOW) {
8390                                 ws->focus_pending = get_focus_prev(win);
8391                                 DNPRINTF(SWM_D_EVENT, "unmapnotify: "
8392                                     "focus_pending: 0x%x\n",
8393                                     WINID(ws->focus_pending));
8394                         }
8395
8396                         unfocus_win(win);
8397                 }
8398
8399                 unmanage_window(win);
8400
8401                 if (ws->r)
8402                         stack();
8403
8404                 if (focus_mode == SWM_FOCUS_FOLLOW) {
8405                         if (ws->r)
8406                                 focus_win(get_pointer_win(ws->r->s->root));
8407                 } else {
8408                         if (ws->focus_pending) {
8409                                 focus_win(ws->focus_pending);
8410                                 ws->focus_pending = NULL;
8411                         }
8412                 }
8413         }
8414
8415         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL)
8416                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8417
8418         focus_flush();
8419 }
8420
8421 #if 0
8422 void
8423 visibilitynotify(xcb_visibility_notify_event_t *e)
8424 {
8425         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
8426             e->window);
8427 }
8428 #endif
8429
8430 void
8431 clientmessage(xcb_client_message_event_t *e)
8432 {
8433         struct ws_win *win;
8434         xcb_map_request_event_t mre;
8435 #ifdef SWM_DEBUG
8436         char                    *name;
8437
8438         name = get_atom_name(e->type);
8439         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
8440             e->window, name, e->type);
8441         free(name);
8442 #endif
8443         win = find_window(e->window);
8444
8445         if (win == NULL) {
8446                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8447                         /* Manage the window with maprequest. */
8448                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
8449                             "unmanaged window.\n");
8450                         mre.window = e->window;
8451                         maprequest(&mre);
8452                 }
8453                 return;
8454         }
8455
8456         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8457                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
8458                 focus_win(win);
8459         }
8460         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
8461                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
8462                 if (win->can_delete)
8463                         client_msg(win, a_delete, 0);
8464                 else
8465                         xcb_kill_client(conn, win->id);
8466         }
8467         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
8468                 DNPRINTF(SWM_D_EVENT,
8469                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
8470                 if (win->floating) {
8471                         if (e->data.data32[0] & (1<<8)) /* x */
8472                                 X(win) = e->data.data32[1];
8473                         if (e->data.data32[0] & (1<<9)) /* y */
8474                                 Y(win) = e->data.data32[2];
8475                         if (e->data.data32[0] & (1<<10)) /* width */
8476                                 WIDTH(win) = e->data.data32[3];
8477                         if (e->data.data32[0] & (1<<11)) /* height */
8478                                 HEIGHT(win) = e->data.data32[4];
8479
8480                         update_window(win);
8481                 }
8482                 else {
8483                         /* TODO: Change stack sizes */
8484                         /* notify no change was made. */
8485                         config_win(win, NULL);
8486                 }
8487         }
8488         if (e->type == ewmh[_NET_WM_STATE].atom) {
8489                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
8490                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
8491                 if (e->data.data32[2])
8492                         ewmh_update_win_state(win, e->data.data32[2],
8493                             e->data.data32[0]);
8494
8495                 stack();
8496         }
8497
8498         focus_flush();
8499 }
8500
8501 void
8502 check_conn(void)
8503 {
8504         int      errcode = xcb_connection_has_error(conn);
8505 #ifdef XCB_CONN_ERROR
8506         char    *s;
8507         switch (errcode) {
8508         case XCB_CONN_ERROR:
8509                 s = "Socket error, pipe error or other stream error.";
8510                 break;
8511         case XCB_CONN_CLOSED_EXT_NOTSUPPORTED:
8512                 s = "Extension not supported.";
8513                 break;
8514         case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
8515                 s = "Insufficient memory.";
8516                 break;
8517         case XCB_CONN_CLOSED_REQ_LEN_EXCEED:
8518                 s = "Request length was exceeded.";
8519                 break;
8520         case XCB_CONN_CLOSED_PARSE_ERR:
8521                 s = "Error parsing display string.";
8522                 break;
8523         default:
8524                 s = "Unknown error.";
8525         }
8526         if (errcode)
8527                 errx(errcode, "X CONNECTION ERROR: %s", s);
8528 #else
8529         if (errcode)
8530                 errx(errcode, "X CONNECTION ERROR");
8531 #endif
8532 }
8533
8534 int
8535 enable_wm(void)
8536 {
8537         int                     num_screens, i;
8538         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
8539             XCB_EVENT_MASK_ENTER_WINDOW;
8540         xcb_screen_t            *sc;
8541         xcb_void_cookie_t       wac;
8542         xcb_generic_error_t     *error;
8543
8544         /* this causes an error if some other window manager is running */
8545         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8546         for (i = 0; i < num_screens; i++) {
8547                 if ((sc = get_screen(i)) == NULL)
8548                         errx(1, "ERROR: can't get screen %d.", i);
8549                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
8550                     i, sc->root);
8551                 wac = xcb_change_window_attributes_checked(conn, sc->root,
8552                     XCB_CW_EVENT_MASK, &val);
8553                 if ((error = xcb_request_check(conn, wac))) {
8554                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
8555                             error->error_code);
8556                         free(error);
8557                         return 1;
8558                 }
8559
8560                 /* click to focus on empty region */
8561                 xcb_grab_button(conn, 1, sc->root, BUTTONMASK,
8562                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
8563                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_1, XCB_BUTTON_MASK_ANY);
8564         }
8565
8566         return 0;
8567 }
8568
8569 void
8570 new_region(struct swm_screen *s, int x, int y, int w, int h)
8571 {
8572         struct swm_region       *r, *n;
8573         struct workspace        *ws = NULL;
8574         int                     i;
8575         uint32_t                wa[1];
8576
8577         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
8578              s->idx, w, h, x, y);
8579
8580         /* remove any conflicting regions */
8581         n = TAILQ_FIRST(&s->rl);
8582         while (n) {
8583                 r = n;
8584                 n = TAILQ_NEXT(r, entry);
8585                 if (X(r) < (x + w) && (X(r) + WIDTH(r)) > x &&
8586                     Y(r) < (y + h) && (Y(r) + HEIGHT(r)) > y) {
8587                         if (r->ws->r != NULL)
8588                                 r->ws->old_r = r->ws->r;
8589                         r->ws->r = NULL;
8590                         bar_cleanup(r);
8591                         xcb_destroy_window(conn, r->id);
8592                         TAILQ_REMOVE(&s->rl, r, entry);
8593                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
8594                 }
8595         }
8596
8597         /* search old regions for one to reuse */
8598
8599         /* size + location match */
8600         TAILQ_FOREACH(r, &s->orl, entry)
8601                 if (X(r) == x && Y(r) == y &&
8602                     HEIGHT(r) == h && WIDTH(r) == w)
8603                         break;
8604
8605         /* size match */
8606         TAILQ_FOREACH(r, &s->orl, entry)
8607                 if (HEIGHT(r) == h && WIDTH(r) == w)
8608                         break;
8609
8610         if (r != NULL) {
8611                 TAILQ_REMOVE(&s->orl, r, entry);
8612                 /* try to use old region's workspace */
8613                 if (r->ws->r == NULL)
8614                         ws = r->ws;
8615         } else
8616                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
8617                         err(1, "new_region: calloc: failed to allocate memory "
8618                             "for screen");
8619
8620         /* if we don't have a workspace already, find one */
8621         if (ws == NULL) {
8622                 for (i = 0; i < workspace_limit; i++)
8623                         if (s->ws[i].r == NULL) {
8624                                 ws = &s->ws[i];
8625                                 break;
8626                         }
8627         }
8628
8629         if (ws == NULL)
8630                 errx(1, "new_region: no free workspaces");
8631
8632         X(r) = x;
8633         Y(r) = y;
8634         WIDTH(r) = w;
8635         HEIGHT(r) = h;
8636         r->s = s;
8637         r->ws = ws;
8638         r->ws_prior = NULL;
8639         ws->r = r;
8640         outputs++;
8641         TAILQ_INSERT_TAIL(&s->rl, r, entry);
8642
8643         /* Invisible region window to detect pointer events on empty regions. */
8644         r->id = xcb_generate_id(conn);
8645         wa[0] = XCB_EVENT_MASK_POINTER_MOTION |
8646             XCB_EVENT_MASK_POINTER_MOTION_HINT;
8647
8648         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->id, r->s->root,
8649             X(r), Y(r), WIDTH(r), HEIGHT(r), 0, XCB_WINDOW_CLASS_INPUT_ONLY,
8650             XCB_COPY_FROM_PARENT, XCB_CW_EVENT_MASK, wa);
8651
8652         xcb_map_window(conn, r->id);
8653 }
8654
8655 void
8656 scan_xrandr(int i)
8657 {
8658 #ifdef SWM_XRR_HAS_CRTC
8659         int                                             c;
8660         int                                             ncrtc = 0;
8661 #endif /* SWM_XRR_HAS_CRTC */
8662         struct swm_region                               *r;
8663         int                                             num_screens;
8664         xcb_randr_get_screen_resources_current_cookie_t src;
8665         xcb_randr_get_screen_resources_current_reply_t  *srr;
8666         xcb_randr_get_crtc_info_cookie_t                cic;
8667         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
8668         xcb_randr_crtc_t                                *crtc;
8669         xcb_screen_t                                    *screen;
8670
8671         DNPRINTF(SWM_D_MISC, "scan_xrandr: screen: %d\n", i);
8672
8673         if ((screen = get_screen(i)) == NULL)
8674                 errx(1, "ERROR: can't get screen %d.", i);
8675
8676         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8677         if (i >= num_screens)
8678                 errx(1, "scan_xrandr: invalid screen");
8679
8680         /* remove any old regions */
8681         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
8682                 r->ws->old_r = r->ws->r = NULL;
8683                 bar_cleanup(r);
8684                 xcb_destroy_window(conn, r->id);
8685                 TAILQ_REMOVE(&screens[i].rl, r, entry);
8686                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
8687         }
8688         outputs = 0;
8689
8690         /* map virtual screens onto physical screens */
8691 #ifdef SWM_XRR_HAS_CRTC
8692         if (xrandr_support) {
8693                 src = xcb_randr_get_screen_resources_current(conn,
8694                     screens[i].root);
8695                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
8696                     NULL);
8697                 if (srr == NULL) {
8698                         new_region(&screens[i], 0, 0,
8699                             screen->width_in_pixels,
8700                             screen->height_in_pixels);
8701                         goto out;
8702                 } else
8703                         ncrtc = srr->num_crtcs;
8704
8705                 crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
8706                 for (c = 0; c < ncrtc; c++) {
8707                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
8708                             XCB_CURRENT_TIME);
8709                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
8710                         if (cir == NULL)
8711                                 continue;
8712                         if (cir->num_outputs == 0) {
8713                                 free(cir);
8714                                 continue;
8715                         }
8716
8717                         if (cir->mode == 0)
8718                                 new_region(&screens[i], 0, 0,
8719                                     screen->width_in_pixels,
8720                                     screen->height_in_pixels);
8721                         else
8722                                 new_region(&screens[i],
8723                                     cir->x, cir->y, cir->width, cir->height);
8724                         free(cir);
8725                 }
8726                 free(srr);
8727         }
8728 #endif /* SWM_XRR_HAS_CRTC */
8729
8730         /* If detection failed, create a single region that spans the screen. */
8731         if (TAILQ_EMPTY(&screens[i].rl))
8732                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
8733                     screen->height_in_pixels);
8734
8735 out:
8736         DNPRINTF(SWM_D_MISC, "scan_xrandr: done.\n");
8737 }
8738
8739 void
8740 screenchange(xcb_randr_screen_change_notify_event_t *e)
8741 {
8742         struct swm_region               *r;
8743         int                             i, num_screens;
8744
8745         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
8746
8747         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8748         /* silly event doesn't include the screen index */
8749         for (i = 0; i < num_screens; i++)
8750                 if (screens[i].root == e->root)
8751                         break;
8752         if (i >= num_screens)
8753                 errx(1, "screenchange: screen not found");
8754
8755         /* brute force for now, just re-enumerate the regions */
8756         scan_xrandr(i);
8757
8758 #ifdef SWM_DEBUG
8759         print_win_geom(e->root);
8760 #endif
8761         /* add bars to all regions */
8762         for (i = 0; i < num_screens; i++)
8763                 TAILQ_FOREACH(r, &screens[i].rl, entry)
8764                         bar_setup(r);
8765         stack();
8766         bar_draw();
8767         focus_flush();
8768 }
8769
8770 void
8771 grab_windows(void)
8772 {
8773         struct swm_region       *r = NULL;
8774         xcb_window_t            *wins = NULL, trans;
8775         int                     no;
8776         int                     i, j, num_screens;
8777         uint16_t                state, manage, mapped;
8778
8779         xcb_query_tree_cookie_t                 qtc;
8780         xcb_query_tree_reply_t                  *qtr;
8781         xcb_get_window_attributes_cookie_t      gac;
8782         xcb_get_window_attributes_reply_t       *gar;
8783         xcb_get_property_cookie_t               pc;
8784
8785         DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
8786         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8787         for (i = 0; i < num_screens; i++) {
8788                 qtc = xcb_query_tree(conn, screens[i].root);
8789                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
8790                 if (!qtr)
8791                         continue;
8792                 wins = xcb_query_tree_children(qtr);
8793                 no = xcb_query_tree_children_length(qtr);
8794                 /* attach windows to a region */
8795                 /* normal windows */
8796                 DNPRINTF(SWM_D_INIT, "grab_windows: grab top level windows.\n");
8797                 for (j = 0; j < no; j++) {
8798                         TAILQ_FOREACH(r, &screens[i].rl, entry) {
8799                                 if (r->id == wins[j]) {
8800                                         DNPRINTF(SWM_D_INIT, "grab_windows: "
8801                                             "skip %#x; region input window.\n",
8802                                             wins[j]);
8803                                         break;
8804                                 }
8805                         }
8806
8807                         if (r)
8808                                 continue;
8809
8810                         gac = xcb_get_window_attributes(conn, wins[j]);
8811                         gar = xcb_get_window_attributes_reply(conn, gac, NULL);
8812                         if (!gar) {
8813                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8814                                     "doesn't exist.\n", wins[j]);
8815                                 continue;
8816                         }
8817
8818                         if (gar->override_redirect) {
8819                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8820                                     "override_redirect set.\n", wins[j]);
8821                                 free(gar);
8822                                 continue;
8823                         }
8824
8825                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
8826                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
8827                             &trans, NULL)) {
8828                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8829                                     "is transient for %#x.\n", wins[j], trans);
8830                                 free(gar);
8831                                 continue;
8832                         }
8833
8834                         state = getstate(wins[j]);
8835                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
8836                         mapped = gar->map_state != XCB_MAP_STATE_UNMAPPED;
8837                         if (mapped || manage)
8838                                 manage_window(wins[j], mapped);
8839                         free(gar);
8840                 }
8841                 /* transient windows */
8842                 DNPRINTF(SWM_D_INIT, "grab_windows: grab transient windows.\n");
8843                 for (j = 0; j < no; j++) {
8844                         gac = xcb_get_window_attributes(conn, wins[j]);
8845                         gar = xcb_get_window_attributes_reply(conn, gac, NULL);
8846                         if (!gar) {
8847                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8848                                     "doesn't exist.\n", wins[j]);
8849                                 continue;
8850                         }
8851
8852                         if (gar->override_redirect) {
8853                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
8854                                     "override_redirect set.\n", wins[j]);
8855                                 free(gar);
8856                                 continue;
8857                         }
8858
8859                         state = getstate(wins[j]);
8860                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
8861                         mapped = gar->map_state != XCB_MAP_STATE_UNMAPPED;
8862                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
8863                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
8864                             &trans, NULL) && manage)
8865                                 manage_window(wins[j], mapped);
8866                         free(gar);
8867                 }
8868                 free(qtr);
8869         }
8870         DNPRINTF(SWM_D_INIT, "grab_windows: done.\n");
8871 }
8872
8873 void
8874 setup_screens(void)
8875 {
8876         int                     i, j, k, num_screens;
8877         struct workspace        *ws;
8878         uint32_t                gcv[1], wa[1];
8879         const xcb_query_extension_reply_t *qep;
8880         xcb_screen_t                            *screen;
8881         xcb_randr_query_version_cookie_t        c;
8882         xcb_randr_query_version_reply_t         *r;
8883
8884         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8885         if ((screens = calloc(num_screens,
8886              sizeof(struct swm_screen))) == NULL)
8887                 err(1, "setup_screens: calloc: failed to allocate memory for "
8888                     "screens");
8889
8890         /* initial Xrandr setup */
8891         xrandr_support = 0;
8892         qep = xcb_get_extension_data(conn, &xcb_randr_id);
8893         if (qep->present) {
8894                 c = xcb_randr_query_version(conn, 1, 1);
8895                 r = xcb_randr_query_version_reply(conn, c, NULL);
8896                 if (r) {
8897                         if (r->major_version >= 1) {
8898                                 xrandr_support = 1;
8899                                 xrandr_eventbase = qep->first_event;
8900                         }
8901                         free(r);
8902                 }
8903         }
8904
8905         wa[0] = cursors[XC_LEFT_PTR].cid;
8906
8907         /* map physical screens */
8908         for (i = 0; i < num_screens; i++) {
8909                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
8910                 screens[i].idx = i;
8911                 screens[i].r_focus = NULL;
8912
8913                 TAILQ_INIT(&screens[i].rl);
8914                 TAILQ_INIT(&screens[i].orl);
8915                 if ((screen = get_screen(i)) == NULL)
8916                         errx(1, "ERROR: can't get screen %d.", i);
8917                 screens[i].root = screen->root;
8918
8919                 /* set default colors */
8920                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
8921                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
8922                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
8923                 setscreencolor("rgb:00/40/40", i + 1,
8924                     SWM_S_COLOR_BAR_BORDER_UNFOCUS);
8925                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
8926                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
8927
8928                 /* create graphics context on screen */
8929                 screens[i].bar_gc = xcb_generate_id(conn);
8930                 gcv[0] = 0;
8931                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
8932                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
8933
8934                 /* set default cursor */
8935                 xcb_change_window_attributes(conn, screens[i].root,
8936                     XCB_CW_CURSOR, wa);
8937
8938                 /* init all workspaces */
8939                 /* XXX these should be dynamically allocated too */
8940                 for (j = 0; j < SWM_WS_MAX; j++) {
8941                         ws = &screens[i].ws[j];
8942                         ws->idx = j;
8943                         ws->name = NULL;
8944                         ws->bar_enabled = 1;
8945                         ws->focus = NULL;
8946                         ws->focus_prev = NULL;
8947                         ws->focus_pending = NULL;
8948                         ws->r = NULL;
8949                         ws->old_r = NULL;
8950                         TAILQ_INIT(&ws->winlist);
8951                         TAILQ_INIT(&ws->unmanagedlist);
8952
8953                         for (k = 0; layouts[k].l_stack != NULL; k++)
8954                                 if (layouts[k].l_config != NULL)
8955                                         layouts[k].l_config(ws,
8956                                             SWM_ARG_ID_STACKINIT);
8957                         ws->cur_layout = &layouts[0];
8958                         ws->cur_layout->l_string(ws);
8959                 }
8960
8961                 scan_xrandr(i);
8962
8963                 if (xrandr_support)
8964                         xcb_randr_select_input(conn, screens[i].root,
8965                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
8966         }
8967 }
8968
8969 void
8970 setup_globals(void)
8971 {
8972         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
8973                 err(1, "setup_globals: strdup: failed to allocate memory.");
8974
8975         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
8976                 err(1, "setup_globals: strdup: failed to allocate memory.");
8977
8978         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
8979                 errx(1, "unable to allocate key symbols");
8980
8981         a_state = get_atom_from_string("WM_STATE");
8982         a_prot = get_atom_from_string("WM_PROTOCOLS");
8983         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
8984         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
8985         a_wmname = get_atom_from_string("WM_NAME");
8986         a_netwmname = get_atom_from_string("_NET_WM_NAME");
8987         a_utf8_string = get_atom_from_string("UTF8_STRING");
8988         a_string = get_atom_from_string("STRING");
8989         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
8990         a_swm_ws = get_atom_from_string("_SWM_WS");
8991 }
8992
8993 void
8994 workaround(void)
8995 {
8996         int                     i, num_screens;
8997         xcb_atom_t              netwmcheck;
8998         xcb_window_t            root, win;
8999
9000         /* work around sun jdk bugs, code from wmname */
9001         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
9002
9003         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
9004         for (i = 0; i < num_screens; i++) {
9005                 root = screens[i].root;
9006
9007                 win = xcb_generate_id(conn);
9008                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, root,
9009                     0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
9010                     XCB_COPY_FROM_PARENT, 0, NULL);
9011
9012                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
9013                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
9014                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
9015                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
9016                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
9017                     a_netwmname, a_utf8_string, 8, strlen("LG3D"), "LG3D");
9018         }
9019 }
9020
9021 void
9022 shutdown_cleanup(void)
9023 {
9024         int i, num_screens;
9025
9026         /* disable alarm because the following code may not be interrupted */
9027         alarm(0);
9028         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
9029                 err(1, "can't disable alarm");
9030
9031         bar_extra_stop();
9032         unmap_all();
9033
9034         cursors_cleanup();
9035
9036         teardown_ewmh();
9037
9038         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
9039         for (i = 0; i < num_screens; ++i) {
9040                 if (screens[i].bar_gc != 0)
9041                         xcb_free_gc(conn, screens[i].bar_gc);
9042                 if (!bar_font_legacy)
9043                         XftColorFree(display, DefaultVisual(display, i),
9044                             DefaultColormap(display, i), &bar_font_color);
9045         }
9046
9047         if (bar_font_legacy)
9048                 XFreeFontSet(display, bar_fs);
9049         else {
9050                 XftFontClose(display, bar_font);
9051         }
9052
9053         xcb_key_symbols_free(syms);
9054         xcb_flush(conn);
9055         xcb_disconnect(conn);
9056 }
9057
9058 void
9059 event_error(xcb_generic_error_t *e)
9060 {
9061         (void)e;
9062
9063         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
9064             "resource_id: %u, minor_code: %u\n",
9065             xcb_event_get_error_label(e->error_code), e->error_code,
9066             xcb_event_get_request_label(e->major_code), e->major_code,
9067             e->sequence, e->resource_id, e->minor_code);
9068 }
9069
9070 void
9071 event_handle(xcb_generic_event_t *evt)
9072 {
9073         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
9074
9075         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d), seq %u\n",
9076             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
9077             XCB_EVENT_RESPONSE_TYPE(evt), evt->sequence);
9078
9079         switch (type) {
9080 #define EVENT(type, callback) case type: callback((void *)evt); return
9081         EVENT(0, event_error);
9082         EVENT(XCB_BUTTON_PRESS, buttonpress);
9083         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
9084         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
9085         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
9086         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
9087         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
9088         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
9089         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
9090         /*EVENT(XCB_CREATE_NOTIFY, );*/
9091         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
9092         EVENT(XCB_ENTER_NOTIFY, enternotify);
9093         EVENT(XCB_EXPOSE, expose);
9094 #ifdef SWM_DEBUG
9095         EVENT(XCB_FOCUS_IN, focusin);
9096         EVENT(XCB_FOCUS_OUT, focusout);
9097 #endif
9098         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
9099         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
9100         EVENT(XCB_KEY_PRESS, keypress);
9101         /*EVENT(XCB_KEY_RELEASE, keypress);*/
9102         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
9103 #ifdef SWM_DEBUG
9104         EVENT(XCB_LEAVE_NOTIFY, leavenotify);
9105 #endif
9106         EVENT(XCB_MAP_NOTIFY, mapnotify);
9107         EVENT(XCB_MAP_REQUEST, maprequest);
9108         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
9109         EVENT(XCB_MOTION_NOTIFY, motionnotify);
9110         /*EVENT(XCB_NO_EXPOSURE, );*/
9111         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
9112         /*EVENT(XCB_REPARENT_NOTIFY, );*/
9113         /*EVENT(XCB_RESIZE_REQUEST, );*/
9114         /*EVENT(XCB_SELECTION_CLEAR, );*/
9115         /*EVENT(XCB_SELECTION_NOTIFY, );*/
9116         /*EVENT(XCB_SELECTION_REQUEST, );*/
9117         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
9118         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
9119 #undef EVENT
9120         }
9121         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
9122                 screenchange((void *)evt);
9123 }
9124
9125 int
9126 main(int argc, char *argv[])
9127 {
9128         struct swm_region       *r;
9129         char                    conf[PATH_MAX], *cfile = NULL;
9130         struct stat             sb;
9131         int                     xfd, i, num_screens, startup = 1;
9132         struct sigaction        sact;
9133         xcb_generic_event_t     *evt;
9134         struct timeval          tv;
9135         fd_set                  rd;
9136         int                     rd_max;
9137         int                     stdin_ready = 0;
9138         int                     num_readable;
9139
9140         /* suppress unused warning since var is needed */
9141         (void)argc;
9142
9143         time_started = time(NULL);
9144
9145         start_argv = argv;
9146         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
9147         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
9148                 warnx("no locale support");
9149
9150         /* handle some signals */
9151         bzero(&sact, sizeof(sact));
9152         sigemptyset(&sact.sa_mask);
9153         sact.sa_flags = 0;
9154         sact.sa_handler = sighdlr;
9155         sigaction(SIGINT, &sact, NULL);
9156         sigaction(SIGQUIT, &sact, NULL);
9157         sigaction(SIGTERM, &sact, NULL);
9158         sigaction(SIGHUP, &sact, NULL);
9159
9160         sact.sa_handler = sighdlr;
9161         sact.sa_flags = SA_NOCLDSTOP;
9162         sigaction(SIGCHLD, &sact, NULL);
9163
9164         if (!(display = XOpenDisplay(0)))
9165                 errx(1, "can not open display");
9166
9167         conn = XGetXCBConnection(display);
9168         if (xcb_connection_has_error(conn))
9169                 errx(1, "can not get XCB connection");
9170
9171         XSetEventQueueOwner(display, XCBOwnsEventQueue);
9172
9173         xcb_prefetch_extension_data(conn, &xcb_randr_id);
9174         xfd = xcb_get_file_descriptor(conn);
9175
9176         /* look for local and global conf file */
9177         pwd = getpwuid(getuid());
9178         if (pwd == NULL)
9179                 errx(1, "invalid user: %d", getuid());
9180
9181         xcb_grab_server(conn);
9182         xcb_aux_sync(conn);
9183
9184         /* flush all events */
9185         while ((evt = xcb_poll_for_event(conn))) {
9186                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
9187                         event_handle(evt);
9188                 free(evt);
9189         }
9190
9191         if (enable_wm() != 0)
9192                 errx(1, "another window manager is currently running");
9193
9194         /* Load Xcursors and/or cursorfont glyph cursors. */
9195         cursors_load();
9196
9197         xcb_aux_sync(conn);
9198
9199         setup_globals();
9200         setup_screens();
9201         setup_keys();
9202         setup_quirks();
9203         setup_spawn();
9204
9205         /* load config */
9206         for (i = 0; ; i++) {
9207                 conf[0] = '\0';
9208                 switch (i) {
9209                 case 0:
9210                         /* ~ */
9211                         snprintf(conf, sizeof conf, "%s/.%s",
9212                             pwd->pw_dir, SWM_CONF_FILE);
9213                         break;
9214                 case 1:
9215                         /* global */
9216                         snprintf(conf, sizeof conf, "/etc/%s",
9217                             SWM_CONF_FILE);
9218                         break;
9219                 case 2:
9220                         /* ~ compat */
9221                         snprintf(conf, sizeof conf, "%s/.%s",
9222                             pwd->pw_dir, SWM_CONF_FILE_OLD);
9223                         break;
9224                 case 3:
9225                         /* global compat */
9226                         snprintf(conf, sizeof conf, "/etc/%s",
9227                             SWM_CONF_FILE_OLD);
9228                         break;
9229                 default:
9230                         goto noconfig;
9231                 }
9232
9233                 if (strlen(conf) && stat(conf, &sb) != -1)
9234                         if (S_ISREG(sb.st_mode)) {
9235                                 cfile = conf;
9236                                 break;
9237                         }
9238         }
9239 noconfig:
9240
9241         /* load conf (if any) */
9242         if (cfile)
9243                 conf_load(cfile, SWM_CONF_DEFAULT);
9244
9245         setup_ewmh();
9246         /* set some values to work around bad programs */
9247         workaround();
9248         /* grab existing windows (before we build the bars) */
9249         grab_windows();
9250
9251         if (getenv("SWM_STARTED") == NULL)
9252                 setenv("SWM_STARTED", "YES", 1);
9253
9254         /* setup all bars */
9255         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
9256         for (i = 0; i < num_screens; i++)
9257                 TAILQ_FOREACH(r, &screens[i].rl, entry)
9258                         bar_setup(r);
9259
9260         grabkeys();
9261         stack();
9262         bar_draw();
9263
9264         xcb_ungrab_server(conn);
9265         xcb_flush(conn);
9266
9267         rd_max = xfd > STDIN_FILENO ? xfd : STDIN_FILENO;
9268
9269         while (running) {
9270                 while ((evt = xcb_poll_for_event(conn))) {
9271                         if (!running)
9272                                 goto done;
9273                         event_handle(evt);
9274                         free(evt);
9275                 }
9276
9277                 /* If just (re)started, set default focus if needed. */
9278                 if (startup) {
9279                         startup = 0;
9280
9281                         if (focus_mode != SWM_FOCUS_FOLLOW) {
9282                                 r = TAILQ_FIRST(&screens[0].rl);
9283                                 if (r) {
9284                                         focus_region(r);
9285                                         focus_flush();
9286                                 }
9287                                 continue;
9288                         }
9289                 }
9290
9291                 FD_ZERO(&rd);
9292
9293                 if (bar_extra)
9294                         FD_SET(STDIN_FILENO, &rd);
9295
9296                 FD_SET(xfd, &rd);
9297                 tv.tv_sec = 1;
9298                 tv.tv_usec = 0;
9299                 num_readable = select(rd_max + 1, &rd, NULL, NULL, &tv);
9300                 if (num_readable == -1 && errno != EINTR) {
9301                         DNPRINTF(SWM_D_MISC, "select failed");
9302                 } else if (num_readable > 0 && FD_ISSET(STDIN_FILENO, &rd)) {
9303                         stdin_ready = 1;
9304                 }
9305
9306                 if (restart_wm)
9307                         restart(NULL, NULL);
9308
9309                 if (search_resp)
9310                         search_do_resp();
9311
9312                 if (!running)
9313                         goto done;
9314
9315                 if (stdin_ready) {
9316                         stdin_ready = 0;
9317                         if (bar_extra_update()) {
9318                                 bar_draw();
9319                                 xcb_flush(conn);
9320                         }
9321                 }
9322         }
9323 done:
9324         shutdown_cleanup();
9325
9326         return (0);
9327 }