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