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_X_URGENCY             XCB_WM_HINT_X_URGENCY
 132 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 133 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 134 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 135 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 136 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 137 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 138 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 139 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 140 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 141 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 142 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 143 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 144 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 145 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 146 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 147 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 148 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 149 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 150 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 151 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 152 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 153 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 154 #endif
 155
 156 /*#define SWM_DEBUG*/
 157 #ifdef SWM_DEBUG
 158 #define DPRINTF(x...) do {                                                      \
 159         if (swm_debug)                                                          \
 160                 fprintf(stderr, x);                                             \
 161 } while (0)
 162 #define DNPRINTF(n,x...) do {                                                   \
 163         if (swm_debug & n) {                                                    \
 164                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 165                 fprintf(stderr, x);                                             \
 166         }                                                                       \
 167 } while (0)
 168 #define SWM_D_MISC              0x0001
 169 #define SWM_D_EVENT             0x0002
 170 #define SWM_D_WS                0x0004
 171 #define SWM_D_FOCUS             0x0008
 172 #define SWM_D_MOVE              0x0010
 173 #define SWM_D_STACK             0x0020
 174 #define SWM_D_MOUSE             0x0040
 175 #define SWM_D_PROP              0x0080
 176 #define SWM_D_CLASS             0x0100
 177 #define SWM_D_KEY               0x0200
 178 #define SWM_D_QUIRK             0x0400
 179 #define SWM_D_SPAWN             0x0800
 180 #define SWM_D_EVENTQ            0x1000
 181 #define SWM_D_CONF              0x2000
 182 #define SWM_D_BAR               0x4000
 183 #define SWM_D_INIT              0x8000
 184
 185 u_int32_t               swm_debug = 0
 186                             | SWM_D_MISC
 187                             | SWM_D_EVENT
 188                             | SWM_D_WS
 189                             | SWM_D_FOCUS
 190                             | SWM_D_MOVE
 191                             | SWM_D_STACK
 192                             | SWM_D_MOUSE
 193                             | SWM_D_PROP
 194                             | SWM_D_CLASS
 195                             | SWM_D_KEY
 196                             | SWM_D_QUIRK
 197                             | SWM_D_SPAWN
 198                             | SWM_D_EVENTQ
 199                             | SWM_D_CONF
 200                             | SWM_D_BAR
 201                             | SWM_D_INIT
 202                             ;
 203 #else
 204 #define DPRINTF(x...)
 205 #define DNPRINTF(n,x...)
 206 #endif
 207
 208 /* convert 8-bit to 16-bit */
 209 #define RGB_8_TO_16(col)        ((col) << 8) + (col)
 210
 211 #define PIXEL_TO_XRENDERCOLOR(px, xrc)                                  \
 212         xrc.red = RGB_8_TO_16((px) >> 16 & 0xff);                       \
 213         xrc.green = RGB_8_TO_16((px) >> 8 & 0xff);                      \
 214         xrc.blue = RGB_8_TO_16((px) & 0xff);                            \
 215         xrc.alpha = 0xffff;
 216
 217 #define LENGTH(x)               (int)(sizeof (x) / sizeof (x)[0])
 218 #define MODKEY                  XCB_MOD_MASK_1
 219 #define CLEANMASK(mask)         ((mask) & ~(numlockmask | XCB_MOD_MASK_LOCK))
 220 #define BUTTONMASK              (XCB_EVENT_MASK_BUTTON_PRESS |          \
 221     XCB_EVENT_MASK_BUTTON_RELEASE)
 222 #define MOUSEMASK               (BUTTONMASK|XCB_EVENT_MASK_POINTER_MOTION)
 223 #define SWM_PROPLEN             (16)
 224 #define SWM_FUNCNAME_LEN        (32)
 225 #define SWM_KEYS_LEN            (255)
 226 #define SWM_QUIRK_LEN           (64)
 227 #define X(r)                    (r)->g.x
 228 #define Y(r)                    (r)->g.y
 229 #define WIDTH(r)                (r)->g.w
 230 #define HEIGHT(r)               (r)->g.h
 231 #define BORDER(w)               ((w)->bordered ? border_width : 0)
 232 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 233 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 234 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 235 #define SH_MIN_W(w)             (w)->sh.min_width
 236 #define SH_MIN_H(w)             (w)->sh.min_height
 237 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 238 #define SH_MAX_W(w)             (w)->sh.max_width
 239 #define SH_MAX_H(w)             (w)->sh.max_height
 240 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 241 #define SH_INC_W(w)             (w)->sh.width_inc
 242 #define SH_INC_H(w)             (w)->sh.height_inc
 243 #define SWM_MAX_FONT_STEPS      (3)
 244 #define WINID(w)                ((w) ? (w)->id : 0)
 245 #define YESNO(x)                ((x) ? "yes" : "no")
 246
 247 #define SWM_FOCUS_DEFAULT       (0)
 248 #define SWM_FOCUS_SYNERGY       (1)
 249 #define SWM_FOCUS_FOLLOW        (2)
 250
 251 #define SWM_CONF_DEFAULT        (0)
 252 #define SWM_CONF_KEYMAPPING     (1)
 253
 254 #ifndef SWM_LIB
 255 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 256 #endif
 257
 258 char                    **start_argv;
 259 xcb_atom_t              a_state;
 260 xcb_atom_t              a_prot;
 261 xcb_atom_t              a_delete;
 262 xcb_atom_t              a_takefocus;
 263 xcb_atom_t              a_wmname;
 264 xcb_atom_t              a_netwmname;
 265 xcb_atom_t              a_utf8_string;
 266 xcb_atom_t              a_string;
 267 xcb_atom_t              a_swm_iconic;
 268 xcb_atom_t              a_swm_ws;
 269 volatile sig_atomic_t   running = 1;
 270 volatile sig_atomic_t   restart_wm = 0;
 271 int                     outputs = 0;
 272 /*int                   last_focus_event = FocusOut;*/
 273 int                     other_wm;
 274 int                     ss_enabled = 0;
 275 int                     xrandr_support;
 276 int                     xrandr_eventbase;
 277 unsigned int            numlockmask = 0;
 278
 279 Display                 *display;
 280 xcb_connection_t        *conn;
 281 xcb_key_symbols_t       *syms;
 282
 283 int                     cycle_empty = 0;
 284 int                     cycle_visible = 0;
 285 int                     term_width = 0;
 286 int                     font_adjusted = 0;
 287 unsigned int            mod_key = MODKEY;
 288
 289 /* dmenu search */
 290 struct swm_region       *search_r;
 291 int                     select_list_pipe[2];
 292 int                     select_resp_pipe[2];
 293 pid_t                   searchpid;
 294 volatile sig_atomic_t   search_resp;
 295 int                     search_resp_action;
 296
 297 struct search_window {
 298         TAILQ_ENTRY(search_window)      entry;
 299         int                             idx;
 300         struct ws_win                   *win;
 301         xcb_gcontext_t                  gc;
 302         xcb_window_t                    indicator;
 303 };
 304 TAILQ_HEAD(search_winlist, search_window);
 305 struct search_winlist                   search_wl;
 306
 307 /* search actions */
 308 enum {
 309         SWM_SEARCH_NONE,
 310         SWM_SEARCH_UNICONIFY,
 311         SWM_SEARCH_NAME_WORKSPACE,
 312         SWM_SEARCH_SEARCH_WORKSPACE,
 313         SWM_SEARCH_SEARCH_WINDOW
 314 };
 315
 316 #define SWM_STACK_TOP           (0)
 317 #define SWM_STACK_BOTTOM        (1)
 318 #define SWM_STACK_ABOVE         (2)
 319 #define SWM_STACK_BELOW         (3)
 320
 321 /* dialog windows */
 322 double                  dialog_ratio = 0.6;
 323 /* status bar */
 324 #define SWM_BAR_MAX             (256)
 325 #define SWM_BAR_JUSTIFY_LEFT    (0)
 326 #define SWM_BAR_JUSTIFY_CENTER  (1)
 327 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 328 #define SWM_BAR_OFFSET          (4)
 329 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-12-*-*-*-*-*-*-*," \
 330                                 "-*-profont-*-*-*-*-12-*-*-*-*-*-*-*,"      \
 331                                 "-*-times-medium-r-*-*-12-*-*-*-*-*-*-*,"    \
 332                                 "-misc-fixed-medium-r-*-*-12-*-*-*-*-*-*-*,"  \
 333                                 "-*-*-*-r-*-*-*-*-*-*-*-*-*-*"
 334
 335 #ifdef X_HAVE_UTF8_STRING
 336 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 337 #else
 338 #define DRAWSTRING(x...)        XmbDrawString(x)
 339 #endif
 340
 341 char            *bar_argv[] = { NULL, NULL };
 342 int              bar_pipe[2];
 343 unsigned char    bar_ext[SWM_BAR_MAX];
 344 char             bar_vertext[SWM_BAR_MAX];
 345 int              bar_version = 0;
 346 sig_atomic_t     bar_alarm = 0;
 347 int              bar_delay = 30;
 348 int              bar_enabled = 1;
 349 int              bar_border_width = 1;
 350 int              bar_at_bottom = 0;
 351 int              bar_extra = 1;
 352 int              bar_extra_running = 0;
 353 int              bar_verbose = 1;
 354 int              bar_height = 0;
 355 int              bar_justify = SWM_BAR_JUSTIFY_LEFT;
 356 char             *bar_format = NULL;
 357 int              stack_enabled = 1;
 358 int              clock_enabled = 1;
 359 int              urgent_enabled = 0;
 360 char            *clock_format = NULL;
 361 int              title_name_enabled = 0;
 362 int              title_class_enabled = 0;
 363 int              window_name_enabled = 0;
 364 int              focus_mode = SWM_FOCUS_DEFAULT;
 365 int              focus_close = SWM_STACK_BELOW;
 366 int              focus_close_wrap = 1;
 367 int              focus_default = SWM_STACK_TOP;
 368 int              spawn_position = SWM_STACK_TOP;
 369 int              disable_border = 0;
 370 int              border_width = 1;
 371 int              verbose_layout = 0;
 372 time_t           time_started;
 373 pid_t            bar_pid;
 374 XFontSet         bar_fs;
 375 XFontSetExtents *bar_fs_extents;
 376 XftFont         *bar_font;
 377 int              bar_font_legacy = 1;
 378 char            *bar_fonts;
 379 XftColor         bar_font_color;
 380 struct passwd   *pwd;
 381
 382 /* layout manager data */
 383 struct swm_geometry {
 384         int                     x;
 385         int                     y;
 386         int                     w;
 387         int                     h;
 388 };
 389
 390 struct swm_screen;
 391 struct workspace;
 392
 393 struct swm_bar {
 394         xcb_window_t            id;
 395         xcb_pixmap_t            buffer;
 396         struct swm_geometry     g;
 397 };
 398
 399 /* virtual "screens" */
 400 struct swm_region {
 401         TAILQ_ENTRY(swm_region) entry;
 402         struct swm_geometry     g;
 403         struct workspace        *ws;    /* current workspace on this region */
 404         struct workspace        *ws_prior; /* prior workspace on this region */
 405         struct swm_screen       *s;     /* screen idx */
 406         struct swm_bar          *bar;
 407 };
 408 TAILQ_HEAD(swm_region_list, swm_region);
 409
 410 struct ws_win {
 411         TAILQ_ENTRY(ws_win)     entry;
 412         xcb_window_t            id;
 413         xcb_window_t            transient;
 414         struct ws_win           *focus_child;   /* focus on child transient */
 415         struct swm_geometry     g;              /* current geometry */
 416         struct swm_geometry     g_float;        /* region coordinates */
 417         int                     g_floatvalid;   /* g_float geometry validity */
 418         int                     floatmaxed;     /* whether maxed by max_stack */
 419         int                     floating;
 420         int                     manual;
 421         int32_t                 iconic;
 422         int                     bordered;
 423         unsigned int            ewmh_flags;
 424         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 425         int                     font_steps;
 426         int                     last_inc;
 427         int                     can_delete;
 428         int                     take_focus;
 429         int                     java;
 430         unsigned long           quirks;
 431         struct workspace        *ws;    /* always valid */
 432         struct swm_screen       *s;     /* always valid, never changes */
 433         xcb_get_geometry_reply_t        *wa;
 434         xcb_size_hints_t        sh;
 435         xcb_icccm_get_wm_class_reply_t  ch;
 436         xcb_icccm_wm_hints_t    hints;
 437 };
 438 TAILQ_HEAD(ws_win_list, ws_win);
 439
 440 /* pid goo */
 441 struct pid_e {
 442         TAILQ_ENTRY(pid_e)      entry;
 443         pid_t                   pid;
 444         int                     ws;
 445 };
 446 TAILQ_HEAD(pid_list, pid_e);
 447 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 448
 449 /* layout handlers */
 450 void    stack(void);
 451 void    vertical_config(struct workspace *, int);
 452 void    vertical_stack(struct workspace *, struct swm_geometry *);
 453 void    horizontal_config(struct workspace *, int);
 454 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 455 void    max_stack(struct workspace *, struct swm_geometry *);
 456 void    plain_stacker(struct workspace *);
 457 void    fancy_stacker(struct workspace *);
 458
 459 struct layout {
 460         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 461         void            (*l_config)(struct workspace *, int);
 462         u_int32_t       flags;
 463 #define SWM_L_FOCUSPREV         (1<<0)
 464 #define SWM_L_MAPONFOCUS        (1<<1)
 465         void            (*l_string)(struct workspace *);
 466 } layouts[] =  {
 467         /* stack,               configure */
 468         { vertical_stack,       vertical_config,        0,      plain_stacker },
 469         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 470         { max_stack,            NULL,
 471           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 472         { NULL,                 NULL,                   0,      NULL  },
 473 };
 474
 475 /* position of max_stack mode in the layouts array, index into layouts! */
 476 #define SWM_V_STACK             (0)
 477 #define SWM_H_STACK             (1)
 478 #define SWM_MAX_STACK           (2)
 479
 480 #define SWM_H_SLICE             (32)
 481 #define SWM_V_SLICE             (32)
 482
 483 /* define work spaces */
 484 struct workspace {
 485         int                     idx;            /* workspace index */
 486         char                    *name;          /* workspace name */
 487         int                     always_raise;   /* raise windows on focus */
 488         struct layout           *cur_layout;    /* current layout handlers */
 489         struct ws_win           *focus;         /* may be NULL */
 490         struct ws_win           *focus_prev;    /* may be NULL */
 491         struct swm_region       *r;             /* may be NULL */
 492         struct swm_region       *old_r;         /* may be NULL */
 493         struct ws_win_list      winlist;        /* list of windows in ws */
 494         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 495         char                    stacker[10];    /* display stacker and layout */
 496
 497         /* stacker state */
 498         struct {
 499                                 int horizontal_msize;
 500                                 int horizontal_mwin;
 501                                 int horizontal_stacks;
 502                                 int horizontal_flip;
 503                                 int vertical_msize;
 504                                 int vertical_mwin;
 505                                 int vertical_stacks;
 506                                 int vertical_flip;
 507         } l_state;
 508 };
 509
 510 enum {
 511         SWM_S_COLOR_BAR,
 512         SWM_S_COLOR_BAR_BORDER,
 513         SWM_S_COLOR_BAR_FONT,
 514         SWM_S_COLOR_FOCUS,
 515         SWM_S_COLOR_UNFOCUS,
 516         SWM_S_COLOR_MAX
 517 };
 518
 519 /* physical screen mapping */
 520 #define SWM_WS_MAX              (22)    /* hard limit */
 521 int             workspace_limit = 10;   /* soft limit */
 522
 523 struct swm_screen {
 524         int                     idx;    /* screen index */
 525         struct swm_region_list  rl;     /* list of regions on this screen */
 526         struct swm_region_list  orl;    /* list of old regions */
 527         xcb_window_t            root;
 528         struct workspace        ws[SWM_WS_MAX];
 529
 530         /* colors */
 531         struct {
 532                 uint32_t        pixel;
 533                 char            *name;
 534         } c[SWM_S_COLOR_MAX];
 535
 536         xcb_gcontext_t          bar_gc;
 537         GC                      bar_gc_legacy;
 538 };
 539 struct swm_screen       *screens;
 540
 541 /* args to functions */
 542 union arg {
 543         int                     id;
 544 #define SWM_ARG_ID_FOCUSNEXT    (0)
 545 #define SWM_ARG_ID_FOCUSPREV    (1)
 546 #define SWM_ARG_ID_FOCUSMAIN    (2)
 547 #define SWM_ARG_ID_FOCUSCUR     (4)
 548 #define SWM_ARG_ID_SWAPNEXT     (10)
 549 #define SWM_ARG_ID_SWAPPREV     (11)
 550 #define SWM_ARG_ID_SWAPMAIN     (12)
 551 #define SWM_ARG_ID_MOVELAST     (13)
 552 #define SWM_ARG_ID_MASTERSHRINK (20)
 553 #define SWM_ARG_ID_MASTERGROW   (21)
 554 #define SWM_ARG_ID_MASTERADD    (22)
 555 #define SWM_ARG_ID_MASTERDEL    (23)
 556 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 557 #define SWM_ARG_ID_STACKRESET   (30)
 558 #define SWM_ARG_ID_STACKINIT    (31)
 559 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 560 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 561 #define SWM_ARG_ID_CYCLESC_UP   (42)
 562 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 563 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 564 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 565 #define SWM_ARG_ID_STACKINC     (50)
 566 #define SWM_ARG_ID_STACKDEC     (51)
 567 #define SWM_ARG_ID_SS_ALL       (60)
 568 #define SWM_ARG_ID_SS_WINDOW    (61)
 569 #define SWM_ARG_ID_DONTCENTER   (70)
 570 #define SWM_ARG_ID_CENTER       (71)
 571 #define SWM_ARG_ID_KILLWINDOW   (80)
 572 #define SWM_ARG_ID_DELETEWINDOW (81)
 573 #define SWM_ARG_ID_WIDTHGROW    (90)
 574 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 575 #define SWM_ARG_ID_HEIGHTGROW   (92)
 576 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 577 #define SWM_ARG_ID_MOVEUP       (100)
 578 #define SWM_ARG_ID_MOVEDOWN     (101)
 579 #define SWM_ARG_ID_MOVELEFT     (102)
 580 #define SWM_ARG_ID_MOVERIGHT    (103)
 581         char                    **argv;
 582 };
 583
 584 /* quirks */
 585 struct quirk {
 586         TAILQ_ENTRY(quirk)      entry;
 587         char                    *class;
 588         char                    *name;
 589         unsigned long           quirk;
 590 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 591 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 592 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 593 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 594 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 595 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 596 };
 597 TAILQ_HEAD(quirk_list, quirk);
 598 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 599
 600 /*
 601  * Supported EWMH hints should be added to
 602  * both the enum and the ewmh array
 603  */
 604 enum {
 605         _NET_ACTIVE_WINDOW,
 606         _NET_CLOSE_WINDOW,
 607         _NET_MOVERESIZE_WINDOW,
 608         _NET_WM_ACTION_ABOVE,
 609         _NET_WM_ACTION_CLOSE,
 610         _NET_WM_ACTION_FULLSCREEN,
 611         _NET_WM_ACTION_MOVE,
 612         _NET_WM_ACTION_RESIZE,
 613         _NET_WM_ALLOWED_ACTIONS,
 614         _NET_WM_NAME,
 615         _NET_WM_STATE,
 616         _NET_WM_STATE_ABOVE,
 617         _NET_WM_STATE_FULLSCREEN,
 618         _NET_WM_STATE_HIDDEN,
 619         _NET_WM_STATE_MAXIMIZED_HORZ,
 620         _NET_WM_STATE_MAXIMIZED_VERT,
 621         _NET_WM_STATE_SKIP_PAGER,
 622         _NET_WM_STATE_SKIP_TASKBAR,
 623         _NET_WM_WINDOW_TYPE,
 624         _NET_WM_WINDOW_TYPE_DIALOG,
 625         _NET_WM_WINDOW_TYPE_DOCK,
 626         _NET_WM_WINDOW_TYPE_NORMAL,
 627         _NET_WM_WINDOW_TYPE_SPLASH,
 628         _NET_WM_WINDOW_TYPE_TOOLBAR,
 629         _NET_WM_WINDOW_TYPE_UTILITY,
 630         _SWM_WM_STATE_MANUAL,
 631         SWM_EWMH_HINT_MAX
 632 };
 633
 634 struct ewmh_hint {
 635         char            *name;
 636         xcb_atom_t      atom;
 637 } ewmh[SWM_EWMH_HINT_MAX] =     {
 638     /* must be in same order as in the enum */
 639     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 640     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 641     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 642     {"_NET_WM_ACTION_ABOVE", XCB_ATOM_NONE},
 643     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 644     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 645     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 646     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 647     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 648     {"_NET_WM_NAME", XCB_ATOM_NONE},
 649     {"_NET_WM_STATE", XCB_ATOM_NONE},
 650     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 651     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 652     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 653     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 654     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 655     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 656     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 657     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 658     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 659     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 660     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 661     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 662     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 663     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 664     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 665 };
 666
 667 /* function prototypes */
 668 void     buttonpress(xcb_button_press_event_t *);
 669 void     check_conn(void);
 670 void     clientmessage(xcb_client_message_event_t *);
 671 int      conf_load(char *, int);
 672 void     configurenotify(xcb_configure_notify_event_t *);
 673 void     configurerequest(xcb_configure_request_event_t *);
 674 void     constrain_window(struct ws_win *, struct swm_region *, int);
 675 void     destroynotify(xcb_destroy_notify_event_t *);
 676 void     do_sync(void);
 677 void     enternotify(xcb_enter_notify_event_t *);
 678 void     event_drain(uint8_t);
 679 void     event_error(xcb_generic_error_t *);
 680 void     event_handle(xcb_generic_event_t *);
 681 char    *expand_tilde(char *);
 682 void     expose(xcb_expose_event_t *);
 683 struct ws_win   *find_window(xcb_window_t);
 684 int      floating_toggle_win(struct ws_win *);
 685 void     focus(struct swm_region *, union arg *);
 686 struct ws_win   *focus_magic(struct ws_win *);
 687 #ifdef SWM_DEBUG
 688 void     focusin(xcb_focus_in_event_t *);
 689 #endif
 690 xcb_atom_t get_atom_from_string(const char *);
 691 #ifdef SWM_DEBUG
 692 char    *get_atom_name(xcb_atom_t);
 693 char    *get_notify_detail_label(uint8_t);
 694 char    *get_notify_mode_label(uint8_t);
 695 #endif
 696 xcb_screen_t    *get_screen(int);
 697 char    *get_win_name(xcb_window_t);
 698 uint32_t getstate(xcb_window_t);
 699 void     grabbuttons(struct ws_win *, int);
 700 void     keypress(xcb_key_press_event_t *);
 701 #ifdef SWM_DEBUG
 702 void     leavenotify(xcb_leave_notify_event_t *);
 703 #endif
 704 void     map_window_raised(xcb_window_t);
 705 void     mapnotify(xcb_map_notify_event_t *);
 706 void     mappingnotify(xcb_mapping_notify_event_t *);
 707 void     maprequest(xcb_map_request_event_t *);
 708 void     new_region(struct swm_screen *, int, int, int, int);
 709 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 710 void     propertynotify(xcb_property_notify_event_t *);
 711 void     spawn_select(struct swm_region *, union arg *, char *, int *);
 712 void     screenchange(xcb_randr_screen_change_notify_event_t *);
 713 void     shutdown_cleanup(void);
 714 void     store_float_geom(struct ws_win *, struct swm_region *);
 715 void     unmanage_window(struct ws_win *);
 716 void     unmapnotify(xcb_unmap_notify_event_t *);
 717 void     update_window(struct ws_win *);
 718 /*void   visibilitynotify(xcb_visibility_notify_event_t *);*/
 719
 720 char *
 721 expand_tilde(char *s)
 722 {
 723         struct passwd           *ppwd;
 724         int                     i, max;
 725         char                    *user;
 726         const char              *sc = s;
 727         char                    *result;
 728
 729         if (s == NULL)
 730                 errx(1, "expand_tilde: NULL string.");
 731
 732         if (s[0] != '~') {
 733                 result = strdup(sc);
 734                 goto out;
 735         }
 736
 737         ++s;
 738
 739         if ((max = sysconf(_SC_LOGIN_NAME_MAX)) == -1)
 740                 errx(1, "expand_tilde: sysconf");
 741
 742         if ((user = calloc(1, max + 1)) == NULL)
 743                 errx(1, "expand_tilde: calloc");
 744
 745         for (i = 0; s[i] != '/' && s[i] != '\0'; ++i)
 746                 user[i] = s[i];
 747         user[i] = '\0';
 748         s = &s[i];
 749
 750         ppwd = strlen(user) == 0 ? getpwuid(getuid()) : getpwnam(user);
 751         if (ppwd == NULL)
 752                 result = strdup(sc);
 753         else
 754                 if (asprintf(&result, "%s%s", ppwd->pw_dir, s) == -1)
 755                         result = NULL;
 756 out:
 757         if (result == NULL)
 758                 errx(1, "expand_tilde: failed to allocate memory.");
 759
 760         return result;
 761 }
 762
 763 int
 764 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
 765 {
 766         unsigned int    tmpr, tmpg, tmpb;
 767
 768         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
 769                 return (-1);
 770
 771         *rr = RGB_8_TO_16(tmpr);
 772         *gg = RGB_8_TO_16(tmpg);
 773         *bb = RGB_8_TO_16(tmpb);
 774
 775         return (0);
 776 }
 777
 778 xcb_screen_t *
 779 get_screen(int screen)
 780 {
 781         const xcb_setup_t       *r;
 782         xcb_screen_iterator_t   iter;
 783
 784         if ((r = xcb_get_setup(conn)) == NULL) {
 785                 DNPRINTF(SWM_D_MISC, "get_screen: xcb_get_setup\n");
 786                 check_conn();
 787         }
 788
 789         iter = xcb_setup_roots_iterator(r);
 790         for (; iter.rem; --screen, xcb_screen_next(&iter))
 791                 if (screen == 0)
 792                         return (iter.data);
 793
 794         return (NULL);
 795 }
 796
 797 void
 798 do_sync(void)
 799 {
 800         xcb_get_input_focus_cookie_t    c;
 801         xcb_get_input_focus_reply_t     *r;
 802
 803         /* mimic XSync() */
 804         c = xcb_get_input_focus(conn);
 805         xcb_flush(conn);
 806         r = xcb_get_input_focus_reply(conn, c, NULL);
 807         if (r)
 808                 free(r);
 809 }
 810
 811 void
 812 map_window_raised(xcb_window_t win)
 813 {
 814         uint32_t        val = XCB_STACK_MODE_ABOVE;
 815
 816         xcb_configure_window(conn, win,
 817             XCB_CONFIG_WINDOW_STACK_MODE, &val);
 818
 819         xcb_map_window(conn, win);
 820 }
 821
 822 xcb_atom_t
 823 get_atom_from_string(const char *str)
 824 {
 825         xcb_intern_atom_cookie_t        c;
 826         xcb_intern_atom_reply_t         *r;
 827         xcb_atom_t                      atom;
 828
 829         c = xcb_intern_atom(conn, 0, strlen(str), str);
 830         r = xcb_intern_atom_reply(conn, c, NULL);
 831         if (r) {
 832                 atom = r->atom;
 833                 free(r);
 834
 835                 return (atom);
 836         }
 837
 838         return (XCB_ATOM_NONE);
 839 }
 840
 841 void
 842 update_iconic(struct ws_win *win, int newv)
 843 {
 844         int32_t                         v = newv;
 845
 846         win->iconic = newv;
 847
 848         if (newv)
 849                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 850                     a_swm_iconic, XCB_ATOM_INTEGER, 32, 1, &v);
 851         else
 852                 xcb_delete_property(conn, win->id, a_swm_iconic);
 853 }
 854
 855 int32_t
 856 get_iconic(struct ws_win *win)
 857 {
 858         int32_t                         v = 0;
 859         xcb_get_property_reply_t        *pr = NULL;
 860
 861
 862         pr = xcb_get_property_reply(conn,
 863             xcb_get_property(conn, 0, win->id, a_swm_iconic,
 864             XCB_ATOM_INTEGER, 0, 1), NULL);
 865         if (!pr)
 866                 goto out;
 867         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 868                 goto out;
 869         v = *((int32_t *)xcb_get_property_value(pr));
 870 out:
 871         if (pr)
 872                 free(pr);
 873         return (v);
 874 }
 875
 876 void
 877 setup_ewmh(void)
 878 {
 879         xcb_atom_t                      sup_list;
 880         int                             i, j, num_screens;
 881
 882         sup_list = get_atom_from_string("_NET_SUPPORTED");
 883
 884         for (i = 0; i < LENGTH(ewmh); i++)
 885                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 886
 887         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 888         for (i = 0; i < num_screens; i++) {
 889                 /* Support check window will be created by workaround(). */
 890
 891                 /* Report supported atoms */
 892                 xcb_delete_property(conn, screens[i].root, sup_list);
 893                 for (j = 0; j < LENGTH(ewmh); j++)
 894                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 895                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 896                             &ewmh[j].atom);
 897         }
 898 }
 899
 900 void
 901 teardown_ewmh(void)
 902 {
 903         int                             i, num_screens;
 904         xcb_atom_t                      sup_check, sup_list;
 905         xcb_window_t                    id;
 906         xcb_get_property_cookie_t       pc;
 907         xcb_get_property_reply_t        *pr;
 908
 909         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 910         sup_list = get_atom_from_string("_NET_SUPPORTED");
 911         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 912
 913         for (i = 0; i < num_screens; i++) {
 914                 /* Get the support check window and destroy it */
 915                 pc = xcb_get_property(conn, 0, screens[i].root, sup_check,
 916                     XCB_ATOM_WINDOW, 0, 1);
 917                 pr = xcb_get_property_reply(conn, pc, NULL);
 918                 if (!pr)
 919                         continue;
 920                 if (pr->format == sup_check) {
 921                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 922
 923                         xcb_destroy_window(conn, id);
 924                         xcb_delete_property(conn, screens[i].root, sup_check);
 925                         xcb_delete_property(conn, screens[i].root, sup_list);
 926                 }
 927                 free(pr);
 928         }
 929 }
 930
 931 void
 932 ewmh_autoquirk(struct ws_win *win)
 933 {
 934         uint32_t                i, n;
 935         xcb_atom_t              *type;
 936         xcb_get_property_cookie_t       c;
 937         xcb_get_property_reply_t        *r;
 938
 939         c = xcb_get_property(conn, 0, win->id,
 940             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
 941         r = xcb_get_property_reply(conn, c, NULL);
 942         if (!r)
 943                 return;
 944
 945         n = xcb_get_property_value_length(r);
 946         type = xcb_get_property_value(r);
 947
 948         for (i = 0; i < n; i++) {
 949                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 950                         break;
 951                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 952                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 953                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 954                         win->floating = 1;
 955                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 956                         break;
 957                 }
 958                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 959                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 960                         win->floating = 1;
 961                         win->quirks = SWM_Q_FLOAT;
 962                         break;
 963                 }
 964         }
 965         free(r);
 966 }
 967
 968 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 969 #define EWMH_F_FULLSCREEN               (1<<0)
 970 #define EWMH_F_ABOVE                    (1<<1)
 971 #define EWMH_F_HIDDEN                   (1<<2)
 972 #define EWMH_F_SKIP_PAGER               (1<<3)
 973 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 974 #define SWM_F_MANUAL                    (1<<5)
 975
 976 int
 977 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 978 {
 979         if (!win->ws->r)
 980                 return (0);
 981
 982         if (!win->floating)
 983                 return (0);
 984
 985         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
 986             "fullscreen %s\n", win->id, YESNO(fs));
 987
 988         if (fs) {
 989                 if (!win->g_floatvalid)
 990                         store_float_geom(win, win->ws->r);
 991
 992                 win->g = win->ws->r->g;
 993                 win->bordered = 0;
 994         } else {
 995                 if (win->g_floatvalid) {
 996                         /* refloat at last floating relative position */
 997                         win->g = win->g_float;
 998                         X(win) += X(win->ws->r);
 999                         Y(win) += Y(win->ws->r);
1000                 }
1001         }
1002
1003         return (1);
1004 }
1005
1006 void
1007 ewmh_update_actions(struct ws_win *win)
1008 {
1009         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
1010         int                     n = 0;
1011
1012         if (win == NULL)
1013                 return;
1014
1015         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
1016
1017         if (win->floating) {
1018                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
1019                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
1020                 actions[n++] = ewmh[_NET_WM_ACTION_ABOVE].atom;
1021         }
1022
1023         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1024             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
1025 }
1026
1027 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
1028 #define _NET_WM_STATE_ADD       1    /* add/set property */
1029 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
1030
1031 void
1032 ewmh_update_win_state(struct ws_win *win, xcb_atom_t state, long action)
1033 {
1034         unsigned int            mask = 0;
1035         unsigned int            changed = 0;
1036         unsigned int            orig_flags;
1037
1038         if (win == NULL)
1039                 return;
1040
1041         DNPRINTF(SWM_D_PROP, "ewmh_update_win_state: window: 0x%x, state: %ld, "
1042             "action: %ld\n", win->id, (unsigned long)state, action);
1043
1044         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1045                 mask = EWMH_F_FULLSCREEN;
1046         else if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
1047                 mask = EWMH_F_ABOVE;
1048         else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1049                 mask = SWM_F_MANUAL;
1050         else if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
1051                 mask = EWMH_F_SKIP_PAGER;
1052         else if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
1053                 mask = EWMH_F_SKIP_TASKBAR;
1054
1055         orig_flags = win->ewmh_flags;
1056
1057         switch (action) {
1058         case _NET_WM_STATE_REMOVE:
1059                 win->ewmh_flags &= ~mask;
1060                 break;
1061         case _NET_WM_STATE_ADD:
1062                 win->ewmh_flags |= mask;
1063                 break;
1064         case _NET_WM_STATE_TOGGLE:
1065                 win->ewmh_flags ^= mask;
1066                 break;
1067         }
1068
1069         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
1070
1071         if (state == ewmh[_NET_WM_STATE_ABOVE].atom) {
1072                 if (changed && !floating_toggle_win(win))
1073                                 win->ewmh_flags = orig_flags; /* revert */
1074         } else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom) {
1075                 if (changed)
1076                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
1077         } else if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom) {
1078                 if (changed && !ewmh_set_win_fullscreen(win,
1079                             win->ewmh_flags & EWMH_F_FULLSCREEN))
1080                                 win->ewmh_flags = orig_flags; /* revert */
1081         }
1082
1083         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
1084
1085         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
1086                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1087                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1088                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
1089         else if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1090                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1091                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1092                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1093         else if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1094                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1095                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1096                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1097         else if (win->ewmh_flags & EWMH_F_ABOVE)
1098                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1099                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1100                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1101         else if (win->ewmh_flags & SWM_F_MANUAL)
1102                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1103                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1104                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1105 }
1106
1107 void
1108 ewmh_get_win_state(struct ws_win *win)
1109 {
1110         xcb_atom_t                      *states;
1111         xcb_get_property_cookie_t       c;
1112         xcb_get_property_reply_t        *r;
1113         int                             i, n;
1114
1115         if (win == NULL)
1116                 return;
1117
1118         win->ewmh_flags = 0;
1119         if (win->floating)
1120                 win->ewmh_flags |= EWMH_F_ABOVE;
1121         if (win->manual)
1122                 win->ewmh_flags |= SWM_F_MANUAL;
1123
1124         c = xcb_get_property(conn, 0, win->id, ewmh[_NET_WM_STATE].atom,
1125             XCB_ATOM_ATOM, 0, UINT32_MAX);
1126         r = xcb_get_property_reply(conn, c, NULL);
1127         if (!r)
1128                 return;
1129
1130         states = xcb_get_property_value(r);
1131         n = xcb_get_property_value_length(r);
1132
1133         for (i = 0; i < n; i++)
1134                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1135
1136         free(r);
1137 }
1138
1139 /* events */
1140 #ifdef SWM_DEBUG
1141 void
1142 dumpwins(struct swm_region *r, union arg *args)
1143 {
1144         struct ws_win                           *win;
1145         uint32_t                                state;
1146         xcb_get_window_attributes_cookie_t      c;
1147         xcb_get_window_attributes_reply_t       *wa;
1148
1149         /* suppress unused warning since var is needed */
1150         (void)args;
1151
1152         if (r->ws == NULL) {
1153                 warnx("dumpwins: invalid workspace");
1154                 return;
1155         }
1156
1157         warnx("=== managed window list ws %02d ===", r->ws->idx);
1158         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1159                 state = getstate(win->id);
1160                 c = xcb_get_window_attributes(conn, win->id);
1161                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1162                 if (wa) {
1163                         warnx("window: 0x%x, map_state: %d, state: %u, "
1164                             "transient: 0x%x", win->id, wa->map_state,
1165                             state, win->transient);
1166                         free(wa);
1167                 } else
1168                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1169                             win->id);
1170         }
1171
1172         warnx("===== unmanaged window list =====");
1173         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1174                 state = getstate(win->id);
1175                 c = xcb_get_window_attributes(conn, win->id);
1176                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1177                 if (wa) {
1178                         warnx("window: 0x%x, map_state: %d, state: %u, "
1179                             "transient: 0x%x", win->id, wa->map_state,
1180                             state, win->transient);
1181                         free(wa);
1182                 } else
1183                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1184                             win->id);
1185         }
1186
1187         warnx("=================================");
1188 }
1189 #else
1190 void
1191 dumpwins(struct swm_region *r, union arg *s)
1192 {
1193         (void)r;
1194         (void)s;
1195 }
1196 #endif /* SWM_DEBUG */
1197
1198 void
1199 sighdlr(int sig)
1200 {
1201         int                     saved_errno, status;
1202         pid_t                   pid;
1203
1204         saved_errno = errno;
1205
1206         switch (sig) {
1207         case SIGCHLD:
1208                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1209                         if (pid == -1) {
1210                                 if (errno == EINTR)
1211                                         continue;
1212 #ifdef SWM_DEBUG
1213                                 if (errno != ECHILD)
1214                                         warn("sighdlr: waitpid");
1215 #endif /* SWM_DEBUG */
1216                                 break;
1217                         }
1218                         if (pid == searchpid)
1219                                 search_resp = 1;
1220
1221 #ifdef SWM_DEBUG
1222                         if (WIFEXITED(status)) {
1223                                 if (WEXITSTATUS(status) != 0)
1224                                         warnx("sighdlr: child exit status: %d",
1225                                             WEXITSTATUS(status));
1226                         } else
1227                                 warnx("sighdlr: child is terminated "
1228                                     "abnormally");
1229 #endif /* SWM_DEBUG */
1230                 }
1231                 break;
1232
1233         case SIGHUP:
1234                 restart_wm = 1;
1235                 break;
1236         case SIGINT:
1237         case SIGTERM:
1238         case SIGQUIT:
1239                 running = 0;
1240                 break;
1241         }
1242
1243         errno = saved_errno;
1244 }
1245
1246 struct pid_e *
1247 find_pid(pid_t pid)
1248 {
1249         struct pid_e            *p = NULL;
1250
1251         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1252
1253         if (pid == 0)
1254                 return (NULL);
1255
1256         TAILQ_FOREACH(p, &pidlist, entry) {
1257                 if (p->pid == pid)
1258                         return (p);
1259         }
1260
1261         return (NULL);
1262 }
1263
1264 uint32_t
1265 name_to_pixel(const char *colorname)
1266 {
1267         uint32_t                        result = 0;
1268         char                            cname[32] = "#";
1269         xcb_screen_t                    *screen;
1270         xcb_colormap_t                  cmap;
1271         xcb_alloc_color_reply_t         *cr;
1272         xcb_alloc_named_color_reply_t   *nr;
1273         uint16_t                        rr, gg, bb;
1274
1275         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1276         cmap = screen->default_colormap;
1277
1278         /* color is in format rgb://rr/gg/bb */
1279         if (strncmp(colorname, "rgb:", 4) == 0) {
1280                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1281                         warnx("could not parse rgb %s", colorname);
1282                 else {
1283                         cr = xcb_alloc_color_reply(conn,
1284                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1285                             NULL);
1286                         if (cr) {
1287                                 result = cr->pixel;
1288                                 free(cr);
1289                         } else
1290                                 warnx("color '%s' not found", colorname);
1291                 }
1292         } else {
1293                 nr = xcb_alloc_named_color_reply(conn,
1294                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1295                             colorname), NULL);
1296                 if (!nr) {
1297                         strlcat(cname, colorname + 2, sizeof cname - 1);
1298                         nr = xcb_alloc_named_color_reply(conn,
1299                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1300                             cname), NULL);
1301                 }
1302                 if (nr) {
1303                         result = nr->pixel;
1304                         free(nr);
1305                 } else
1306                         warnx("color '%s' not found", colorname);
1307         }
1308
1309         return (result);
1310 }
1311
1312 void
1313 setscreencolor(char *val, int i, int c)
1314 {
1315         int     num_screens;
1316
1317         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1318         if (i > 0 && i <= num_screens) {
1319                 screens[i - 1].c[c].pixel = name_to_pixel(val);
1320                 free(screens[i - 1].c[c].name);
1321                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1322                         err(1, "strdup");
1323         } else if (i == -1) {
1324                 for (i = 0; i < num_screens; i++) {
1325                         screens[i].c[c].pixel = name_to_pixel(val);
1326                         free(screens[i].c[c].name);
1327                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1328                                 err(1, "strdup");
1329                 }
1330         } else
1331                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1332                     i, num_screens);
1333 }
1334
1335 void
1336 fancy_stacker(struct workspace *ws)
1337 {
1338         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1339         if (ws->cur_layout->l_stack == vertical_stack)
1340                 snprintf(ws->stacker, sizeof ws->stacker,
1341                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1342                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1343         if (ws->cur_layout->l_stack == horizontal_stack)
1344                 snprintf(ws->stacker, sizeof ws->stacker,
1345                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1346                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1347 }
1348
1349 void
1350 plain_stacker(struct workspace *ws)
1351 {
1352         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1353         if (ws->cur_layout->l_stack == vertical_stack)
1354                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1355                     sizeof ws->stacker);
1356         if (ws->cur_layout->l_stack == horizontal_stack)
1357                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1358                     sizeof ws->stacker);
1359 }
1360
1361 void
1362 custom_region(char *val)
1363 {
1364         unsigned int                    x, y, w, h;
1365         int                             sidx, num_screens;
1366         xcb_screen_t                    *screen;
1367
1368         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1369         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1370                 errx(1, "invalid custom region, "
1371                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1372         if (sidx < 1 || sidx > num_screens)
1373                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1374                     sidx, num_screens);
1375         sidx--;
1376
1377         if ((screen = get_screen(sidx)) == NULL)
1378                 errx(1, "ERROR: can't get screen %d.", sidx);
1379
1380         if (w < 1 || h < 1)
1381                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1382
1383         if (x > screen->width_in_pixels ||
1384             y > screen->height_in_pixels ||
1385             w + x > screen->width_in_pixels ||
1386             h + y > screen->height_in_pixels) {
1387                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1388                     "boundaries (%ux%u)", w, h, x, y,
1389                     screen->width_in_pixels, screen->height_in_pixels);
1390                 return;
1391         }
1392
1393         new_region(&screens[sidx], x, y, w, h);
1394 }
1395
1396 void
1397 socket_setnonblock(int fd)
1398 {
1399         int                     flags;
1400
1401         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1402                 err(1, "fcntl F_GETFL");
1403         flags |= O_NONBLOCK;
1404         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1405                 err(1, "fcntl F_SETFL");
1406 }
1407
1408 void
1409 bar_print_legacy(struct swm_region *r, const char *s)
1410 {
1411         xcb_rectangle_t         rect;
1412         uint32_t                gcv[1];
1413         XGCValues               gcvd;
1414         int                     x = 0;
1415         size_t                  len;
1416         XRectangle              ibox, lbox;
1417         GC                      draw;
1418
1419         len = strlen(s);
1420         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1421
1422         switch (bar_justify) {
1423         case SWM_BAR_JUSTIFY_LEFT:
1424                 x = SWM_BAR_OFFSET;
1425                 break;
1426         case SWM_BAR_JUSTIFY_CENTER:
1427                 x = (WIDTH(r) - lbox.width) / 2;
1428                 break;
1429         case SWM_BAR_JUSTIFY_RIGHT:
1430                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1431                 break;
1432         }
1433
1434         if (x < SWM_BAR_OFFSET)
1435                 x = SWM_BAR_OFFSET;
1436
1437         rect.x = 0;
1438         rect.y = 0;
1439         rect.width = WIDTH(r->bar);
1440         rect.height = HEIGHT(r->bar);
1441
1442         /* clear back buffer */
1443         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1444         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1445         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc,
1446             sizeof(rect), &rect);
1447
1448         /* draw back buffer */
1449         gcvd.graphics_exposures = 0;
1450         draw = XCreateGC(display, r->bar->buffer, GCGraphicsExposures, &gcvd);
1451         XSetForeground(display, draw, r->s->c[SWM_S_COLOR_BAR_FONT].pixel);
1452         DRAWSTRING(display, r->bar->buffer, bar_fs, draw,
1453             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1454             lbox.y, s, len);
1455         XFreeGC(display, draw);
1456
1457         /* blt */
1458         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1459             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1460 }
1461
1462 void
1463 bar_print(struct swm_region *r, const char *s)
1464 {
1465         size_t                          len;
1466         xcb_rectangle_t                 rect;
1467         uint32_t                        gcv[1];
1468         int32_t                         x = 0;
1469         XGlyphInfo                      info;
1470         XftDraw                         *draw;
1471
1472         len = strlen(s);
1473
1474         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
1475
1476         switch (bar_justify) {
1477         case SWM_BAR_JUSTIFY_LEFT:
1478                 x = SWM_BAR_OFFSET;
1479                 break;
1480         case SWM_BAR_JUSTIFY_CENTER:
1481                 x = (WIDTH(r) - info.width) / 2;
1482                 break;
1483         case SWM_BAR_JUSTIFY_RIGHT:
1484                 x = WIDTH(r) - info.width - SWM_BAR_OFFSET;
1485                 break;
1486         }
1487
1488         if (x < SWM_BAR_OFFSET)
1489                 x = SWM_BAR_OFFSET;
1490
1491         rect.x = 0;
1492         rect.y = 0;
1493         rect.width = WIDTH(r->bar);
1494         rect.height = HEIGHT(r->bar);
1495
1496         /* clear back buffer */
1497         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1498         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1499         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc,
1500             sizeof(rect), &rect);
1501
1502         /* draw back buffer */
1503         draw = XftDrawCreate(display, r->bar->buffer,
1504             DefaultVisual(display, r->s->idx),
1505             DefaultColormap(display, r->s->idx));
1506
1507         XftDrawStringUtf8(draw, &bar_font_color, bar_font, x,
1508             (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
1509             (FcChar8 *)s, len);
1510
1511         XftDrawDestroy(draw);
1512
1513         /* blt */
1514         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1515             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1516 }
1517
1518 void
1519 bar_extra_stop(void)
1520 {
1521         if (bar_pipe[0]) {
1522                 close(bar_pipe[0]);
1523                 bzero(bar_pipe, sizeof bar_pipe);
1524         }
1525         if (bar_pid) {
1526                 kill(bar_pid, SIGTERM);
1527                 bar_pid = 0;
1528         }
1529         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1530         bar_extra = 0;
1531 }
1532
1533 void
1534 bar_class_name(char *s, size_t sz, struct swm_region *r)
1535 {
1536         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1537                 return;
1538         if (r->ws->focus->ch.class_name != NULL)
1539                 strlcat(s, r->ws->focus->ch.class_name, sz);
1540 }
1541
1542 void
1543 bar_title_name(char *s, size_t sz, struct swm_region *r)
1544 {
1545         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1546                 return;
1547         if (r->ws->focus->ch.instance_name != NULL)
1548                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1549 }
1550
1551 void
1552 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1553 {
1554         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1555                 return;
1556
1557         bar_class_name(s, sz, r);
1558         strlcat(s, ":", sz);
1559         bar_title_name(s, sz, r);
1560 }
1561
1562 void
1563 bar_window_float(char *s, size_t sz, struct swm_region *r)
1564 {
1565         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1566                 return;
1567         if (r->ws->focus->floating)
1568                 strlcat(s, "(f)", sz);
1569 }
1570
1571 void
1572 bar_window_name(char *s, size_t sz, struct swm_region *r)
1573 {
1574         char            *title;
1575
1576         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1577                 return;
1578         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1579                 return;
1580
1581         strlcat(s, title, sz);
1582         free(title);
1583 }
1584
1585 int             urgent[SWM_WS_MAX];
1586 void
1587 bar_urgent(char *s, size_t sz)
1588 {
1589         struct ws_win           *win;
1590         int                     i, j, num_screens;
1591         char                    b[8];
1592         xcb_get_property_cookie_t       c;
1593         xcb_icccm_wm_hints_t    hints;
1594
1595         for (i = 0; i < workspace_limit; i++)
1596                 urgent[i] = 0;
1597
1598         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1599         for (i = 0; i < num_screens; i++)
1600                 for (j = 0; j < workspace_limit; j++)
1601                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1602                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1603                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1604                                     &hints, NULL) == 0)
1605                                         continue;
1606                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1607                                         urgent[j] = 1;
1608                         }
1609
1610         for (i = 0; i < workspace_limit; i++) {
1611                 if (urgent[i])
1612                         snprintf(b, sizeof b, "%d ", i + 1);
1613                 else
1614                         snprintf(b, sizeof b, "- ");
1615                 strlcat(s, b, sz);
1616         }
1617 }
1618
1619 void
1620 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1621 {
1622         if (r == NULL || r->ws == NULL)
1623                 return;
1624         if (r->ws->name != NULL)
1625                 strlcat(s, r->ws->name, sz);
1626 }
1627
1628 /* build the default bar format according to the defined enabled options */
1629 void
1630 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1631 {
1632         /* if format provided, just copy the buffers */
1633         if (bar_format != NULL) {
1634                 strlcpy(fmtnew, fmtexp, sz);
1635                 return;
1636         }
1637
1638         /* reset the output buffer */
1639         *fmtnew = '\0';
1640
1641         strlcat(fmtnew, "+N:+I ", sz);
1642         if (stack_enabled)
1643                 strlcat(fmtnew, "+S", sz);
1644         strlcat(fmtnew, " ", sz);
1645
1646         /* only show the workspace name if there's actually one */
1647         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1648                 strlcat(fmtnew, "<+D>", sz);
1649         strlcat(fmtnew, "+3<", sz);
1650
1651         if (clock_enabled) {
1652                 strlcat(fmtnew, fmtexp, sz);
1653                 strlcat(fmtnew, "+4<", sz);
1654         }
1655
1656         /* bar_urgent already adds the space before the last asterisk */
1657         if (urgent_enabled)
1658                 strlcat(fmtnew, "* +U*+4<", sz);
1659
1660         if (title_class_enabled) {
1661                 strlcat(fmtnew, "+C", sz);
1662                 if (title_name_enabled == 0)
1663                         strlcat(fmtnew, "+4<", sz);
1664         }
1665
1666         /* checks needed by the colon and floating strlcat(3) calls below */
1667         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1668                 if (title_name_enabled) {
1669                         if (title_class_enabled)
1670                                 strlcat(fmtnew, ":", sz);
1671                         strlcat(fmtnew, "+T+4<", sz);
1672                 }
1673                 if (window_name_enabled) {
1674                         if (r->ws->focus->floating)
1675                                 strlcat(fmtnew, "+F ", sz);
1676                         strlcat(fmtnew, "+64W ", sz);
1677                 }
1678         }
1679
1680         /* finally add the action script output and the version */
1681         strlcat(fmtnew, "+4<+A+4<+V", sz);
1682 }
1683
1684 void
1685 bar_replace_pad(char *tmp, int *limit, size_t sz)
1686 {
1687         /* special case; no limit given, pad one space, instead */
1688         if (*limit == (int)sz - 1)
1689                 *limit = 1;
1690         snprintf(tmp, sz, "%*s", *limit, " ");
1691 }
1692
1693 /* replaces the bar format character sequences (like in tmux(1)) */
1694 char *
1695 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1696     size_t sz)
1697 {
1698         char                    *ptr;
1699         char                    tmp[SWM_BAR_MAX];
1700         int                     limit, size;
1701         size_t                  len;
1702
1703         /* reset strlcat(3) buffer */
1704         *tmp = '\0';
1705
1706         /* get number, if any */
1707         fmt++;
1708         size = 0;
1709         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1710                 limit = sizeof tmp - 1;
1711         if (limit <= 0 || limit >= (int)sizeof tmp)
1712                 limit = sizeof tmp - 1;
1713
1714         /* there is nothing to replace (ie EOL) */
1715         fmt += size;
1716         if (*fmt == '\0')
1717                 return (fmt);
1718
1719         switch (*fmt) {
1720         case '<':
1721                 bar_replace_pad(tmp, &limit, sizeof tmp);
1722                 break;
1723         case 'A':
1724                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1725                 break;
1726         case 'C':
1727                 bar_class_name(tmp, sizeof tmp, r);
1728                 break;
1729         case 'D':
1730                 bar_workspace_name(tmp, sizeof tmp, r);
1731                 break;
1732         case 'F':
1733                 bar_window_float(tmp, sizeof tmp, r);
1734                 break;
1735         case 'I':
1736                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1737                 break;
1738         case 'N':
1739                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1740                 break;
1741         case 'P':
1742                 bar_class_title_name(tmp, sizeof tmp, r);
1743                 break;
1744         case 'S':
1745                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1746                 break;
1747         case 'T':
1748                 bar_title_name(tmp, sizeof tmp, r);
1749                 break;
1750         case 'U':
1751                 bar_urgent(tmp, sizeof tmp);
1752                 break;
1753         case 'V':
1754                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1755                 break;
1756         case 'W':
1757                 bar_window_name(tmp, sizeof tmp, r);
1758                 break;
1759         default:
1760                 /* unknown character sequence; copy as-is */
1761                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1762                 break;
1763         }
1764
1765         len = strlen(tmp);
1766         ptr = tmp;
1767         if ((int)len < limit)
1768                 limit = len;
1769         while (limit-- > 0) {
1770                 if (*offrep >= sz - 1)
1771                         break;
1772                 fmtrep[(*offrep)++] = *ptr++;
1773         }
1774
1775         fmt++;
1776         return (fmt);
1777 }
1778
1779 void
1780 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1781 {
1782         size_t                  off;
1783
1784         off = 0;
1785         while (*fmt != '\0') {
1786                 if (*fmt != '+') {
1787                         /* skip ordinary characters */
1788                         if (off >= sz - 1)
1789                                 break;
1790                         fmtrep[off++] = *fmt++;
1791                         continue;
1792                 }
1793
1794                 /* character sequence found; replace it */
1795                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1796                 if (off >= sz - 1)
1797                         break;
1798         }
1799
1800         fmtrep[off] = '\0';
1801 }
1802
1803 void
1804 bar_fmt_expand(char *fmtexp, size_t sz)
1805 {
1806         char                    *fmt = NULL;
1807         size_t                  len;
1808         struct tm               tm;
1809         time_t                  tmt;
1810
1811         /* start by grabbing the current time and date */
1812         time(&tmt);
1813         localtime_r(&tmt, &tm);
1814
1815         /* figure out what to expand */
1816         if (bar_format != NULL)
1817                 fmt = bar_format;
1818         else if (bar_format == NULL && clock_enabled)
1819                 fmt = clock_format;
1820         /* if nothing to expand bail out */
1821         if (fmt == NULL) {
1822                 *fmtexp = '\0';
1823                 return;
1824         }
1825
1826         /* copy as-is, just in case the format shouldn't be expanded below */
1827         strlcpy(fmtexp, fmt, sz);
1828         /* finally pass the string through strftime(3) */
1829 #ifndef SWM_DENY_CLOCK_FORMAT
1830         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1831                 warnx("format too long");
1832         fmtexp[len] = '\0';
1833 #endif
1834 }
1835
1836 void
1837 bar_fmt_print(void)
1838 {
1839         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1840         char                    fmtrep[SWM_BAR_MAX];
1841         int                     i, num_screens;
1842         struct swm_region       *r;
1843
1844         /* expand the format by first passing it through strftime(3) */
1845         bar_fmt_expand(fmtexp, sizeof fmtexp);
1846
1847         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1848         for (i = 0; i < num_screens; i++) {
1849                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1850                         if (r->bar == NULL)
1851                                 continue;
1852                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1853                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1854                         if (bar_font_legacy)
1855                                 bar_print_legacy(r, fmtrep);
1856                         else
1857                                 bar_print(r, fmtrep);
1858                 }
1859         }
1860 }
1861
1862 void
1863 bar_update(void)
1864 {
1865         size_t                  len;
1866         char                    *b;
1867
1868         if (bar_enabled == 0)
1869                 return;
1870         if (bar_extra && bar_extra_running) {
1871                 /* ignore short reads; it'll correct itself */
1872                 while ((b = fgetln(stdin, &len)) != NULL)
1873                         if (b && b[len - 1] == '\n') {
1874                                 b[len - 1] = '\0';
1875                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1876                         }
1877                 if (b == NULL && errno != EAGAIN) {
1878                         warn("bar_update: bar_extra failed");
1879                         bar_extra_stop();
1880                 }
1881         } else
1882                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1883
1884         bar_fmt_print();
1885         alarm(bar_delay);
1886 }
1887
1888 void
1889 bar_signal(int sig)
1890 {
1891         /* suppress unused warning since var is needed */
1892         (void)sig;
1893
1894         bar_alarm = 1;
1895 }
1896
1897 void
1898 bar_toggle(struct swm_region *r, union arg *args)
1899 {
1900         struct swm_region       *tmpr;
1901         int                     i, num_screens;
1902
1903         /* suppress unused warnings since vars are needed */
1904         (void)r;
1905         (void)args;
1906
1907         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1908
1909         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1910         if (bar_enabled) {
1911                 for (i = 0; i < num_screens; i++)
1912                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1913                                 if (tmpr->bar)
1914                                         xcb_unmap_window(conn, tmpr->bar->id);
1915         } else {
1916                 for (i = 0; i < num_screens; i++)
1917                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1918                                 if (tmpr->bar)
1919                                         map_window_raised(tmpr->bar->id);
1920         }
1921
1922         bar_enabled = !bar_enabled;
1923
1924         stack();
1925
1926         /* must be after stack */
1927         bar_update();
1928
1929         if (focus_mode == SWM_FOCUS_DEFAULT)
1930                 event_drain(XCB_ENTER_NOTIFY);
1931         else
1932                 xcb_flush(conn);
1933 }
1934
1935 void
1936 bar_refresh(void)
1937 {
1938         struct swm_region       *r;
1939         uint32_t                wa[2];
1940         int                     i, num_screens;
1941
1942         /* do this here because the conf file is in memory */
1943         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1944                 /* launch external status app */
1945                 bar_extra_running = 1;
1946                 if (pipe(bar_pipe) == -1)
1947                         err(1, "pipe error");
1948                 socket_setnonblock(bar_pipe[0]);
1949                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1950                 if (dup2(bar_pipe[0], 0) == -1)
1951                         err(1, "dup2");
1952                 if (dup2(bar_pipe[1], 1) == -1)
1953                         err(1, "dup2");
1954                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1955                         err(1, "could not disable SIGPIPE");
1956                 switch (bar_pid = fork()) {
1957                 case -1:
1958                         err(1, "cannot fork");
1959                         break;
1960                 case 0: /* child */
1961                         close(bar_pipe[0]);
1962                         execvp(bar_argv[0], bar_argv);
1963                         err(1, "%s external app failed", bar_argv[0]);
1964                         break;
1965                 default: /* parent */
1966                         close(bar_pipe[1]);
1967                         break;
1968                 }
1969         }
1970
1971         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1972         for (i = 0; i < num_screens; i++)
1973                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1974                         if (r->bar == NULL)
1975                                 continue;
1976                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].pixel;
1977                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].pixel;
1978                         xcb_change_window_attributes(conn, r->bar->id,
1979                             XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1980                 }
1981         bar_update();
1982 }
1983
1984 int
1985 isxlfd(char *s)
1986 {
1987         int      count = 0;
1988
1989         while ((s = index(s, '-'))) {
1990                 ++count;
1991                 ++s;
1992         }
1993
1994         return (count == 14);
1995 }
1996
1997 void
1998 fontset_init()
1999 {
2000         char                    *default_string;
2001         char                    **missing_charsets;
2002         int                     num_missing_charsets = 0;
2003         int                     i;
2004
2005         if (bar_fs) {
2006                 XFreeFontSet(display, bar_fs);
2007                 bar_fs = NULL;
2008         }
2009
2010         DNPRINTF(SWM_D_INIT, "fontset_init: loading bar_fonts: %s\n", bar_fonts);
2011
2012         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
2013             &num_missing_charsets, &default_string);
2014
2015         if (num_missing_charsets > 0) {
2016                 warnx("Unable to load charset(s):");
2017
2018                 for (i = 0; i < num_missing_charsets; ++i)
2019                         warnx("%s", missing_charsets[i]);
2020
2021                 XFreeStringList(missing_charsets);
2022
2023                 if (strcmp(default_string, ""))
2024                         warnx("Glyphs from those sets will be replaced "
2025                             "by '%s'.", default_string);
2026                 else
2027                         warnx("Glyphs from those sets won't be drawn.");
2028         }
2029
2030         if (bar_fs == NULL)
2031                 errx(1, "Error creating font set structure.");
2032
2033         bar_fs_extents = XExtentsOfFontSet(bar_fs);
2034
2035         bar_height = bar_fs_extents->max_logical_extent.height +
2036             2 * bar_border_width;
2037
2038         if (bar_height < 1)
2039                 bar_height = 1;
2040 }
2041
2042 void
2043 xft_init(struct swm_region *r)
2044 {
2045         char                    *font, *d, *search;
2046         XRenderColor            color;
2047
2048         if (bar_font == NULL) {
2049                 if ((d = strdup(bar_fonts)) == NULL)
2050                         errx(1, "insufficient memory.");
2051                 search = d;
2052                 while ((font = strsep(&search, ",")) != NULL) {
2053                         if (*font == '\0')
2054                                 continue;
2055
2056                         DNPRINTF(SWM_D_INIT, "xft_init: try font %s\n", font);
2057
2058                         if (isxlfd(font)) {
2059                                 bar_font = XftFontOpenXlfd(display, r->s->idx,
2060                                                 font);
2061                         } else {
2062                                 bar_font = XftFontOpenName(display, r->s->idx,
2063                                                 font);
2064                         }
2065
2066                         if (!bar_font) {
2067                                 warnx("unable to load font %s", font);
2068                                 continue;
2069                         } else {
2070                                 DNPRINTF(SWM_D_INIT, "successfully opened "
2071                                     "font %s\n", font);
2072                                 break;
2073                         }
2074                 }
2075                 free(d);
2076         }
2077
2078         if (bar_font == NULL)
2079                 errx(1, "unable to open a font");
2080
2081         PIXEL_TO_XRENDERCOLOR(r->s->c[SWM_S_COLOR_BAR_FONT].pixel, color);
2082
2083         if (!XftColorAllocValue(display, DefaultVisual(display, r->s->idx),
2084             DefaultColormap(display, r->s->idx), &color, &bar_font_color))
2085                 warn("unable to allocate Xft color");
2086
2087         bar_height = bar_font->height + 2 * bar_border_width;
2088
2089         if (bar_height < 1)
2090                 bar_height = 1;
2091 }
2092
2093 void
2094 bar_setup(struct swm_region *r)
2095 {
2096         xcb_screen_t    *screen;
2097         uint32_t         wa[3];
2098
2099         DNPRINTF(SWM_D_BAR, "bar_setup: screen %d.\n",
2100             r->s->idx);
2101
2102         if ((screen = get_screen(r->s->idx)) == NULL)
2103                 errx(1, "ERROR: can't get screen %d.", r->s->idx);
2104
2105         if (r->bar != NULL)
2106                 return;
2107
2108         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
2109                 err(1, "bar_setup: calloc: failed to allocate memory.");
2110
2111         if (bar_font_legacy)
2112                 fontset_init();
2113         else
2114                 xft_init(r);
2115
2116         X(r->bar) = X(r);
2117         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
2118         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
2119         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
2120
2121         r->bar->id = xcb_generate_id(conn);
2122         wa[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
2123         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].pixel;
2124         wa[2] = XCB_EVENT_MASK_EXPOSURE;
2125
2126         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
2127             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
2128             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
2129             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
2130             | XCB_CW_EVENT_MASK, wa);
2131
2132         r->bar->buffer = xcb_generate_id(conn);
2133         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
2134             WIDTH(r->bar), HEIGHT(r->bar));
2135
2136         if (xrandr_support)
2137                 xcb_randr_select_input(conn, r->bar->id,
2138                     XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
2139
2140         if (bar_enabled)
2141                 map_window_raised(r->bar->id);
2142
2143         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
2144             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
2145             HEIGHT(r->bar));
2146
2147         if (signal(SIGALRM, bar_signal) == SIG_ERR)
2148                 err(1, "could not install bar_signal");
2149         bar_refresh();
2150 }
2151
2152 void
2153 bar_cleanup(struct swm_region *r)
2154 {
2155         if (r->bar == NULL)
2156                 return;
2157         xcb_destroy_window(conn, r->bar->id);
2158         xcb_free_pixmap(conn, r->bar->buffer);
2159         free(r->bar);
2160         r->bar = NULL;
2161 }
2162
2163 void
2164 set_win_state(struct ws_win *win, uint16_t state)
2165 {
2166         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2167
2168         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
2169
2170         if (win == NULL)
2171                 return;
2172
2173         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
2174             a_state, 32, 2, data);
2175 }
2176
2177 uint32_t
2178 getstate(xcb_window_t w)
2179 {
2180         uint32_t                        result = 0;
2181         xcb_get_property_cookie_t       c;
2182         xcb_get_property_reply_t        *r;
2183
2184         c = xcb_get_property(conn, 0, w, a_state, a_state, 0L, 2L);
2185         r = xcb_get_property_reply(conn, c, NULL);
2186
2187         if (r) {
2188                 if (r->type == a_state && r->format == 32 && r->length == 2)
2189                         result = *((uint32_t *)xcb_get_property_value(r));
2190                 free(r);
2191         }
2192
2193         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
2194             result);
2195         return (result);
2196 }
2197
2198 void
2199 version(struct swm_region *r, union arg *args)
2200 {
2201         /* suppress unused warnings since vars are needed */
2202         (void)r;
2203         (void)args;
2204
2205         bar_version = !bar_version;
2206         if (bar_version)
2207                 snprintf(bar_vertext, sizeof bar_vertext,
2208                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2209         else
2210                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2211         bar_update();
2212
2213         xcb_flush(conn);
2214 }
2215
2216 void
2217 client_msg(struct ws_win *win, xcb_atom_t a)
2218 {
2219         xcb_client_message_event_t      ev;
2220
2221         if (win == NULL)
2222                 return;
2223
2224         bzero(&ev, sizeof ev);
2225         ev.response_type = XCB_CLIENT_MESSAGE;
2226         ev.window = win->id;
2227         ev.type = a_prot;
2228         ev.format = 32;
2229         ev.data.data32[0] = a;
2230         ev.data.data32[1] = XCB_CURRENT_TIME;
2231
2232         xcb_send_event(conn, 0, win->id,
2233             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2234 }
2235
2236 /* synthetic response to a ConfigureRequest when not making a change */
2237 void
2238 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2239 {
2240         xcb_configure_notify_event_t ce;
2241
2242         if (win == NULL)
2243                 return;
2244
2245         /* send notification of unchanged state. */
2246         bzero(&ce, sizeof(ce));
2247         ce.response_type = XCB_CONFIGURE_NOTIFY;
2248         ce.x = X(win);
2249         ce.y = Y(win);
2250         ce.width = WIDTH(win);
2251         ce.height = HEIGHT(win);
2252         ce.override_redirect = 0;
2253
2254         if (ev == NULL) {
2255                 /* EWMH */
2256                 ce.event = win->id;
2257                 ce.window = win->id;
2258                 ce.border_width = BORDER(win);
2259                 ce.above_sibling = XCB_WINDOW_NONE;
2260         } else {
2261                 /* normal */
2262                 ce.event = ev->window;
2263                 ce.window = ev->window;
2264
2265                 /* make response appear more WM_SIZE_HINTS-compliant */
2266                 if (win->sh.flags) {
2267                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2268                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2269                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2270                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2271                             SH_INC_W(win), SH_INC_H(win));
2272                 }
2273
2274                 /* min size */
2275                 if (SH_MIN(win)) {
2276                         /* the hint may be set... to 0! */
2277                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2278                                 ce.width = SH_MIN_W(win);
2279                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2280                                 ce.height = SH_MIN_H(win);
2281                 }
2282
2283                 /* max size */
2284                 if (SH_MAX(win)) {
2285                         /* may also be advertized as 0 */
2286                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2287                                 ce.width = SH_MAX_W(win);
2288                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2289                                 ce.height = SH_MAX_H(win);
2290                 }
2291
2292                 /* resize increment. */
2293                 if (SH_INC(win)) {
2294                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2295                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2296                                     SH_INC_W(win);
2297                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2298                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2299                                     SH_INC_H(win);
2300                 }
2301
2302                 /* adjust x and y for requested border_width. */
2303                 ce.x += BORDER(win) - ev->border_width;
2304                 ce.y += BORDER(win) - ev->border_width;
2305                 ce.border_width = ev->border_width;
2306                 ce.above_sibling = ev->sibling;
2307         }
2308
2309         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2310             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2311             ce.y, ce.width, ce.height, ce.border_width);
2312
2313         xcb_send_event(conn, 0, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2314             (char *)&ce);
2315 }
2316
2317 int
2318 count_win(struct workspace *ws, int count_transient)
2319 {
2320         struct ws_win           *win;
2321         int                     count = 0;
2322
2323         TAILQ_FOREACH(win, &ws->winlist, entry) {
2324                 if (count_transient == 0 && win->floating)
2325                         continue;
2326                 if (count_transient == 0 && win->transient)
2327                         continue;
2328                 if (win->iconic)
2329                         continue;
2330                 count++;
2331         }
2332         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2333
2334         return (count);
2335 }
2336
2337 void
2338 quit(struct swm_region *r, union arg *args)
2339 {
2340         /* suppress unused warnings since vars are needed */
2341         (void)r;
2342         (void)args;
2343
2344         DNPRINTF(SWM_D_MISC, "quit\n");
2345         running = 0;
2346 }
2347
2348 void
2349 unmap_window(struct ws_win *win)
2350 {
2351         DNPRINTF(SWM_D_EVENT, "unmap_window: window: 0x%x\n", win->id);
2352
2353         if (win == NULL)
2354                 return;
2355
2356         /* don't unmap again */
2357         if (getstate(win->id) == XCB_ICCCM_WM_STATE_ICONIC)
2358                 return;
2359
2360         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2361
2362         xcb_unmap_window(conn, win->id);
2363         xcb_change_window_attributes(conn, win->id,
2364             XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].pixel);
2365 }
2366
2367 void
2368 unmap_all(void)
2369 {
2370         struct ws_win           *win;
2371         int                     i, j, num_screens;
2372
2373         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2374         for (i = 0; i < num_screens; i++)
2375                 for (j = 0; j < workspace_limit; j++)
2376                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2377                                 unmap_window(win);
2378 }
2379
2380 void
2381 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2382 {
2383         xcb_key_press_event_t   event;
2384         xcb_keycode_t           *keycode;
2385
2386         if (win == NULL)
2387                 return;
2388
2389         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2390
2391         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2392             win->id, *keycode);
2393
2394         bzero(&event, sizeof(event));
2395         event.event = win->id;
2396         event.root = win->s->root;
2397         event.child = XCB_WINDOW_NONE;
2398         event.time = XCB_CURRENT_TIME;
2399         event.event_x = X(win);
2400         event.event_y = Y(win);
2401         event.root_x = 1;
2402         event.root_y = 1;
2403         event.same_screen = 1;
2404         event.detail = *keycode;
2405         event.state = modifiers;
2406
2407         event.response_type = XCB_KEY_PRESS;
2408         xcb_send_event(conn, 1, win->id,
2409             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2410
2411         event.response_type = XCB_KEY_RELEASE;
2412         xcb_send_event(conn, 1, win->id,
2413             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2414
2415         free(keycode);
2416 }
2417
2418 void
2419 restart(struct swm_region *r, union arg *args)
2420 {
2421         /* suppress unused warning since var is needed */
2422         (void)r;
2423         (void)args;
2424
2425         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2426
2427         shutdown_cleanup();
2428
2429         execvp(start_argv[0], start_argv);
2430         warn("execvp failed");
2431         quit(NULL, NULL);
2432 }
2433
2434 struct swm_region *
2435 root_to_region(xcb_window_t root)
2436 {
2437         struct swm_region               *r = NULL;
2438         int                             i, num_screens;
2439         xcb_query_pointer_reply_t       *qpr;
2440
2441         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2442
2443         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2444         for (i = 0; i < num_screens; i++)
2445                 if (screens[i].root == root)
2446                         break;
2447
2448         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2449             screens[i].root), NULL);
2450
2451         if (qpr) {
2452                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2453                     qpr->root_x, qpr->root_y);
2454                 /* choose a region based on pointer location */
2455                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2456                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2457                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2458                                 break;
2459                 free(qpr);
2460         }
2461
2462         if (r == NULL)
2463                 r = TAILQ_FIRST(&screens[i].rl);
2464
2465         return (r);
2466 }
2467
2468 struct ws_win *
2469 find_unmanaged_window(xcb_window_t id)
2470 {
2471         struct ws_win           *win;
2472         int                     i, j, num_screens;
2473
2474         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2475         for (i = 0; i < num_screens; i++)
2476                 for (j = 0; j < workspace_limit; j++)
2477                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2478                             entry)
2479                                 if (id == win->id)
2480                                         return (win);
2481         return (NULL);
2482 }
2483
2484 struct ws_win *
2485 find_window(xcb_window_t id)
2486 {
2487         struct ws_win           *win;
2488         int                     i, j, num_screens;
2489         xcb_query_tree_reply_t  *r;
2490
2491         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2492         for (i = 0; i < num_screens; i++)
2493                 for (j = 0; j < workspace_limit; j++)
2494                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2495                                 if (id == win->id)
2496                                         return (win);
2497
2498         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
2499         if (!r)
2500                 return (NULL);
2501
2502         /* if we were looking for the parent return that window instead */
2503         if (r->parent == 0 || r->root == r->parent) {
2504                 free(r);
2505                 return (NULL);
2506         }
2507
2508         /* look for parent */
2509         for (i = 0; i < num_screens; i++)
2510                 for (j = 0; j < workspace_limit; j++)
2511                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2512                                 if (r->parent == win->id) {
2513                                         free(r);
2514                                         return (win);
2515                                 }
2516
2517         free(r);
2518         return (NULL);
2519 }
2520
2521 void
2522 spawn(int ws_idx, union arg *args, int close_fd)
2523 {
2524         int                     fd;
2525         char                    *ret = NULL;
2526
2527         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2528
2529         close(xcb_get_file_descriptor(conn));
2530
2531         setenv("LD_PRELOAD", SWM_LIB, 1);
2532
2533         if (asprintf(&ret, "%d", ws_idx) == -1) {
2534                 warn("spawn: asprintf SWM_WS");
2535                 _exit(1);
2536         }
2537         setenv("_SWM_WS", ret, 1);
2538         free(ret);
2539         ret = NULL;
2540
2541         if (asprintf(&ret, "%d", getpid()) == -1) {
2542                 warn("spawn: asprintf _SWM_PID");
2543                 _exit(1);
2544         }
2545         setenv("_SWM_PID", ret, 1);
2546         free(ret);
2547         ret = NULL;
2548
2549         if (setsid() == -1) {
2550                 warn("spawn: setsid");
2551                 _exit(1);
2552         }
2553
2554         if (close_fd) {
2555                 /*
2556                  * close stdin and stdout to prevent interaction between apps
2557                  * and the baraction script
2558                  * leave stderr open to record errors
2559                 */
2560                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2561                         warn("spawn: open");
2562                         _exit(1);
2563                 }
2564                 dup2(fd, STDIN_FILENO);
2565                 dup2(fd, STDOUT_FILENO);
2566                 if (fd > 2)
2567                         close(fd);
2568         }
2569
2570         execvp(args->argv[0], args->argv);
2571
2572         warn("spawn: execvp");
2573         _exit(1);
2574 }
2575
2576 void
2577 kill_refs(struct ws_win *win)
2578 {
2579         int                     i, x, num_screens;
2580         struct swm_region       *r;
2581         struct workspace        *ws;
2582
2583         if (win == NULL)
2584                 return;
2585
2586         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2587         for (i = 0; i < num_screens; i++)
2588                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2589                         for (x = 0; x < workspace_limit; x++) {
2590                                 ws = &r->s->ws[x];
2591                                 if (win == ws->focus)
2592                                         ws->focus = NULL;
2593                                 if (win == ws->focus_prev)
2594                                         ws->focus_prev = NULL;
2595                         }
2596 }
2597
2598 int
2599 validate_win(struct ws_win *testwin)
2600 {
2601         struct ws_win           *win;
2602         struct workspace        *ws;
2603         struct swm_region       *r;
2604         int                     i, x, num_screens;
2605
2606         if (testwin == NULL)
2607                 return (0);
2608
2609         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2610         for (i = 0; i < num_screens; i++)
2611                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2612                         for (x = 0; x < workspace_limit; x++) {
2613                                 ws = &r->s->ws[x];
2614                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2615                                         if (win == testwin)
2616                                                 return (0);
2617                         }
2618         return (1);
2619 }
2620
2621 int
2622 validate_ws(struct workspace *testws)
2623 {
2624         struct swm_region       *r;
2625         struct workspace        *ws;
2626         int                     i, x, num_screens;
2627
2628         /* validate all ws */
2629         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2630         for (i = 0; i < num_screens; i++)
2631                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2632                         for (x = 0; x < workspace_limit; x++) {
2633                                 ws = &r->s->ws[x];
2634                                 if (ws == testws)
2635                                         return (0);
2636                         }
2637         return (1);
2638 }
2639
2640 void
2641 unfocus_win(struct ws_win *win)
2642 {
2643         xcb_window_t            none = XCB_WINDOW_NONE;
2644
2645         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2646
2647         if (win == NULL)
2648                 return;
2649         if (win->ws == NULL)
2650                 return;
2651
2652         if (validate_ws(win->ws))
2653                 return; /* XXX this gets hit with thunderbird, needs fixing */
2654
2655         if (win->ws->r == NULL)
2656                 return;
2657
2658         if (validate_win(win)) {
2659                 kill_refs(win);
2660                 return;
2661         }
2662
2663         if (win->ws->focus == win) {
2664                 win->ws->focus = NULL;
2665                 win->ws->focus_prev = win;
2666         }
2667
2668         if (validate_win(win->ws->focus)) {
2669                 kill_refs(win->ws->focus);
2670                 win->ws->focus = NULL;
2671         }
2672         if (validate_win(win->ws->focus_prev)) {
2673                 kill_refs(win->ws->focus_prev);
2674                 win->ws->focus_prev = NULL;
2675         }
2676
2677         grabbuttons(win, 0);
2678         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2679             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
2680         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2681             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
2682 }
2683
2684 void
2685 unfocus_all(void)
2686 {
2687         struct ws_win           *win;
2688         int                     i, j, num_screens;
2689
2690         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2691
2692         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2693         for (i = 0; i < num_screens; i++)
2694                 for (j = 0; j < workspace_limit; j++)
2695                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2696                                 unfocus_win(win);
2697 }
2698
2699 void
2700 focus_win(struct ws_win *win)
2701 {
2702         struct ws_win           *cfw = NULL;
2703         xcb_get_input_focus_reply_t     *r;
2704         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2705
2706         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2707
2708         if (win == NULL) {
2709                 /* Clear the status-bar. */
2710                 bar_update();
2711                 return;
2712         }
2713
2714         if (win->ws == NULL)
2715                 return;
2716
2717         if (validate_ws(win->ws))
2718                 return; /* XXX this gets hit with thunderbird, needs fixing */
2719
2720         if (validate_win(win)) {
2721                 kill_refs(win);
2722                 return;
2723         }
2724
2725         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
2726         if (r) {
2727                 cur_focus = r->focus;
2728                 free(r);
2729         }
2730         if ((cfw = find_window(cur_focus)) != NULL)
2731                 unfocus_win(cfw);
2732         else {
2733 #if 0
2734                 /* use larger hammer since the window was killed somehow */
2735                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2736                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2737                                 xcb_change_window_attributes(conn, cfw->id,
2738                                     XCB_CW_BORDER_PIXEL,
2739                                     &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
2740 #endif
2741         }
2742
2743         win->ws->focus = win;
2744
2745         /* Tell app it can set focus. */
2746         if (win->take_focus) {
2747                 /* java is special; always tell parent */
2748                 if (win->transient && win->java)
2749                         client_msg(find_window(win->transient), a_takefocus);
2750                 else
2751                         client_msg(win, a_takefocus);
2752         }
2753
2754         if (win->ws->r != NULL) {
2755                 if (win->java == 0)
2756                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2757                             win->id, XCB_CURRENT_TIME);
2758                 grabbuttons(win, 1);
2759                 xcb_change_window_attributes(conn, win->id,
2760                     XCB_CW_BORDER_PIXEL,
2761                     &win->ws->r->s->c[SWM_S_COLOR_FOCUS].pixel);
2762                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2763                     win->ws->always_raise)
2764                         map_window_raised(win->id);
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         bar_update();
2772 }
2773
2774 /* If a child window should have focus instead, return it. */
2775 struct ws_win *
2776 focus_magic(struct ws_win *win)
2777 {
2778         struct ws_win   *parent = NULL;
2779
2780         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
2781         if (win == NULL)
2782                 return win;
2783
2784         if (win->transient) {
2785                 parent = find_window(win->transient);
2786
2787                 /* If parent prefers focus elsewhere, then do so. */
2788                 if (parent && parent->focus_child) {
2789                         if (validate_win(parent->focus_child) == 0)
2790                                 win = parent->focus_child;
2791                         else
2792                                 parent->focus_child = NULL;
2793                 }
2794         }
2795
2796         /* If this window prefers focus elsewhere, then do so. */
2797         if (win->focus_child) {
2798                 if (validate_win(win->focus_child) == 0)
2799                         win = win->focus_child;
2800                 else
2801                         win->focus_child = NULL;
2802         }
2803
2804         return win;
2805 }
2806
2807 void
2808 event_drain(uint8_t rt)
2809 {
2810         xcb_generic_event_t     *evt;
2811
2812         xcb_flush(conn);
2813         while ((evt = xcb_poll_for_event(conn))) {
2814                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
2815                         event_handle(evt);
2816
2817                 free(evt);
2818         }
2819 }
2820
2821 void
2822 switchws(struct swm_region *r, union arg *args)
2823 {
2824         int                     wsid = args->id, unmap_old = 0;
2825         struct swm_region       *this_r, *other_r;
2826         struct ws_win           *win;
2827         struct workspace        *new_ws, *old_ws;
2828         union arg               a;
2829
2830         if (!(r && r->s))
2831                 return;
2832
2833         if (wsid >= workspace_limit)
2834                 return;
2835
2836         this_r = r;
2837         old_ws = this_r->ws;
2838         new_ws = &this_r->s->ws[wsid];
2839
2840         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2841             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2842
2843         if (new_ws == NULL || old_ws == NULL)
2844                 return;
2845         if (new_ws == old_ws)
2846                 return;
2847
2848         other_r = new_ws->r;
2849         if (other_r == NULL) {
2850                 /* the other workspace is hidden, hide this one */
2851                 old_ws->r = NULL;
2852                 unmap_old = 1;
2853         } else {
2854                 /* the other ws is visible in another region, exchange them */
2855                 other_r->ws_prior = new_ws;
2856                 other_r->ws = old_ws;
2857                 old_ws->r = other_r;
2858         }
2859         this_r->ws_prior = old_ws;
2860         this_r->ws = new_ws;
2861         new_ws->r = this_r;
2862
2863         /* this is needed so that we can click on a window after a restart */
2864         unfocus_all();
2865
2866         stack();
2867         a.id = SWM_ARG_ID_FOCUSCUR;
2868         focus(new_ws->r, &a);
2869
2870         /* unmap old windows */
2871         if (unmap_old)
2872                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2873                         unmap_window(win);
2874
2875         if (focus_mode == SWM_FOCUS_DEFAULT)
2876                 event_drain(XCB_ENTER_NOTIFY);
2877         else
2878                 xcb_flush(conn);
2879
2880         DNPRINTF(SWM_D_WS, "switchws: done\n");
2881 }
2882
2883 void
2884 cyclews(struct swm_region *r, union arg *args)
2885 {
2886         union                   arg a;
2887         struct swm_screen       *s = r->s;
2888         int                     cycle_all = 0;
2889
2890         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2891             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2892
2893         a.id = r->ws->idx;
2894         do {
2895                 switch (args->id) {
2896                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2897                         cycle_all = 1;
2898                         /* FALLTHROUGH */
2899                 case SWM_ARG_ID_CYCLEWS_UP:
2900                         if (a.id < workspace_limit - 1)
2901                                 a.id++;
2902                         else
2903                                 a.id = 0;
2904                         break;
2905                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2906                         cycle_all = 1;
2907                         /* FALLTHROUGH */
2908                 case SWM_ARG_ID_CYCLEWS_DOWN:
2909                         if (a.id > 0)
2910                                 a.id--;
2911                         else
2912                                 a.id = workspace_limit - 1;
2913                         break;
2914                 default:
2915                         return;
2916                 };
2917
2918                 if (!cycle_all &&
2919                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2920                         continue;
2921                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2922                         continue;
2923
2924                 switchws(r, &a);
2925         } while (a.id != r->ws->idx);
2926 }
2927
2928 void
2929 priorws(struct swm_region *r, union arg *args)
2930 {
2931         union arg               a;
2932
2933         (void)args;
2934
2935         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2936             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2937
2938         if (r->ws_prior == NULL)
2939                 return;
2940
2941         a.id = r->ws_prior->idx;
2942         switchws(r, &a);
2943 }
2944
2945 void
2946 cyclescr(struct swm_region *r, union arg *args)
2947 {
2948         struct swm_region       *rr = NULL;
2949         union arg               a;
2950         int                     i, x, y, num_screens;
2951
2952         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2953         /* do nothing if we don't have more than one screen */
2954         if (!(num_screens > 1 || outputs > 1))
2955                 return;
2956
2957         i = r->s->idx;
2958         switch (args->id) {
2959         case SWM_ARG_ID_CYCLESC_UP:
2960                 rr = TAILQ_NEXT(r, entry);
2961                 if (rr == NULL)
2962                         rr = TAILQ_FIRST(&screens[i].rl);
2963                 break;
2964         case SWM_ARG_ID_CYCLESC_DOWN:
2965                 rr = TAILQ_PREV(r, swm_region_list, entry);
2966                 if (rr == NULL)
2967                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2968                 break;
2969         default:
2970                 return;
2971         };
2972         if (rr == NULL)
2973                 return;
2974
2975         /* move mouse to region */
2976         x = X(rr) + 1;
2977         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2978         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2979             x, y);
2980
2981         a.id = SWM_ARG_ID_FOCUSCUR;
2982         focus(rr, &a);
2983
2984         if (rr->ws->focus) {
2985                 /* move to focus window */
2986                 x = X(rr->ws->focus) + 1;
2987                 y = Y(rr->ws->focus) + 1;
2988                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2989                     0, x, y);
2990         }
2991 }
2992
2993 void
2994 sort_windows(struct ws_win_list *wl)
2995 {
2996         struct ws_win           *win, *parent, *nxt;
2997
2998         if (wl == NULL)
2999                 return;
3000
3001         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
3002                 nxt = TAILQ_NEXT(win, entry);
3003                 if (win->transient) {
3004                         parent = find_window(win->transient);
3005                         if (parent == NULL) {
3006                                 warnx("not possible bug");
3007                                 continue;
3008                         }
3009                         TAILQ_REMOVE(wl, win, entry);
3010                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
3011                 }
3012         }
3013
3014 }
3015
3016 void
3017 swapwin(struct swm_region *r, union arg *args)
3018 {
3019         struct ws_win           *target, *source;
3020         struct ws_win           *cur_focus;
3021         struct ws_win_list      *wl;
3022
3023
3024         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3025             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3026
3027         cur_focus = r->ws->focus;
3028         if (cur_focus == NULL)
3029                 return;
3030
3031         source = cur_focus;
3032         wl = &source->ws->winlist;
3033
3034         switch (args->id) {
3035         case SWM_ARG_ID_SWAPPREV:
3036                 if (source->transient)
3037                         source = find_window(source->transient);
3038                 target = TAILQ_PREV(source, ws_win_list, entry);
3039                 if (target && target->transient)
3040                         target = find_window(target->transient);
3041                 TAILQ_REMOVE(wl, source, entry);
3042                 if (target == NULL)
3043                         TAILQ_INSERT_TAIL(wl, source, entry);
3044                 else
3045                         TAILQ_INSERT_BEFORE(target, source, entry);
3046                 break;
3047         case SWM_ARG_ID_SWAPNEXT:
3048                 target = TAILQ_NEXT(source, entry);
3049                 /* move the parent and let the sort handle the move */
3050                 if (source->transient)
3051                         source = find_window(source->transient);
3052                 TAILQ_REMOVE(wl, source, entry);
3053                 if (target == NULL)
3054                         TAILQ_INSERT_HEAD(wl, source, entry);
3055                 else
3056                         TAILQ_INSERT_AFTER(wl, target, source, entry);
3057                 break;
3058         case SWM_ARG_ID_SWAPMAIN:
3059                 target = TAILQ_FIRST(wl);
3060                 if (target == source) {
3061                         if (source->ws->focus_prev != NULL &&
3062                             source->ws->focus_prev != target)
3063                                 source = source->ws->focus_prev;
3064                         else
3065                                 return;
3066                 }
3067                 if (target == NULL || source == NULL)
3068                         return;
3069                 source->ws->focus_prev = target;
3070                 TAILQ_REMOVE(wl, target, entry);
3071                 TAILQ_INSERT_BEFORE(source, target, entry);
3072                 TAILQ_REMOVE(wl, source, entry);
3073                 TAILQ_INSERT_HEAD(wl, source, entry);
3074                 break;
3075         case SWM_ARG_ID_MOVELAST:
3076                 TAILQ_REMOVE(wl, source, entry);
3077                 TAILQ_INSERT_TAIL(wl, source, entry);
3078                 break;
3079         default:
3080                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
3081                 return;
3082         }
3083
3084         sort_windows(wl);
3085
3086         stack();
3087
3088         if (focus_mode == SWM_FOCUS_DEFAULT)
3089                 event_drain(XCB_ENTER_NOTIFY);
3090         else
3091                 xcb_flush(conn);
3092 }
3093
3094 void
3095 focus_prev(struct ws_win *win)
3096 {
3097         struct ws_win           *winfocus = NULL;
3098         struct ws_win           *cur_focus = NULL;
3099         struct ws_win_list      *wl = NULL;
3100         struct workspace        *ws = NULL;
3101
3102         if (!(win && win->ws))
3103                 return;
3104
3105         ws = win->ws;
3106         wl = &ws->winlist;
3107         cur_focus = ws->focus;
3108
3109         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
3110             WINID(win), WINID(cur_focus));
3111
3112         /* pickle, just focus on whatever */
3113         if (cur_focus == NULL) {
3114                 /* use prev_focus if valid */
3115                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
3116                     find_window(WINID(ws->focus_prev)))
3117                         winfocus = ws->focus_prev;
3118                 goto done;
3119         }
3120
3121         /* if transient focus on parent */
3122         if (cur_focus->transient) {
3123                 winfocus = find_window(cur_focus->transient);
3124                 goto done;
3125         }
3126
3127         /* if in max_stack try harder */
3128         if ((win->quirks & SWM_Q_FOCUSPREV) ||
3129             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
3130                 if (cur_focus != ws->focus_prev)
3131                         winfocus = ws->focus_prev;
3132                 else
3133                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3134                 if (winfocus)
3135                         goto done;
3136         }
3137
3138         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
3139
3140         if (winfocus == NULL || winfocus == win) {
3141                 switch (focus_close) {
3142                 case SWM_STACK_BOTTOM:
3143                         winfocus = TAILQ_FIRST(wl);
3144                         break;
3145                 case SWM_STACK_TOP:
3146                         winfocus = TAILQ_LAST(wl, ws_win_list);
3147                         break;
3148                 case SWM_STACK_ABOVE:
3149                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
3150                                 if (focus_close_wrap)
3151                                         winfocus = TAILQ_FIRST(wl);
3152                                 else
3153                                         winfocus = TAILQ_PREV(cur_focus,
3154                                             ws_win_list, entry);
3155                         }
3156                         break;
3157                 case SWM_STACK_BELOW:
3158                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
3159                             entry)) == NULL) {
3160                                 if (focus_close_wrap)
3161                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3162                                 else
3163                                         winfocus = TAILQ_NEXT(cur_focus, entry);
3164                         }
3165                         break;
3166                 }
3167         }
3168 done:
3169         if (winfocus == NULL) {
3170                 if (focus_default == SWM_STACK_TOP)
3171                         winfocus = TAILQ_LAST(wl, ws_win_list);
3172                 else
3173                         winfocus = TAILQ_FIRST(wl);
3174         }
3175
3176         kill_refs(win);
3177         focus_win(focus_magic(winfocus));
3178 }
3179
3180 void
3181 focus(struct swm_region *r, union arg *args)
3182 {
3183         struct ws_win           *winfocus = NULL, *head;
3184         struct ws_win           *cur_focus = NULL;
3185         struct ws_win_list      *wl = NULL;
3186         struct workspace        *ws = NULL;
3187         int                     all_iconics;
3188
3189         if (!(r && r->ws))
3190                 return;
3191
3192         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
3193
3194         /* treat FOCUS_CUR special */
3195         if (args->id == SWM_ARG_ID_FOCUSCUR) {
3196                 if (r->ws->focus && r->ws->focus->iconic == 0)
3197                         winfocus = r->ws->focus;
3198                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
3199                         winfocus = r->ws->focus_prev;
3200                 else
3201                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3202                                 if (winfocus->iconic == 0)
3203                                         break;
3204
3205                 focus_win(focus_magic(winfocus));
3206                 return;
3207         }
3208
3209         if ((cur_focus = r->ws->focus) == NULL)
3210                 return;
3211         ws = r->ws;
3212         wl = &ws->winlist;
3213         if (TAILQ_EMPTY(wl))
3214                 return;
3215         /* make sure there is at least one uniconified window */
3216         all_iconics = 1;
3217         TAILQ_FOREACH(winfocus, wl, entry)
3218                 if (winfocus->iconic == 0) {
3219                         all_iconics = 0;
3220                         break;
3221                 }
3222         if (all_iconics)
3223                 return;
3224
3225         switch (args->id) {
3226         case SWM_ARG_ID_FOCUSPREV:
3227                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3228                 if (head == NULL)
3229                         head = TAILQ_LAST(wl, ws_win_list);
3230                 winfocus = head;
3231                 if (WINID(winfocus) == cur_focus->transient) {
3232                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3233                         if (head == NULL)
3234                                 head = TAILQ_LAST(wl, ws_win_list);
3235                         winfocus = head;
3236                 }
3237
3238                 /* skip iconics */
3239                 if (winfocus && winfocus->iconic) {
3240                         while (winfocus != cur_focus) {
3241                                 if (winfocus == NULL)
3242                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3243                                 if (winfocus->iconic == 0)
3244                                         break;
3245                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3246                                     entry);
3247                         }
3248                 }
3249                 break;
3250
3251         case SWM_ARG_ID_FOCUSNEXT:
3252                 head = TAILQ_NEXT(cur_focus, entry);
3253                 if (head == NULL)
3254                         head = TAILQ_FIRST(wl);
3255                 winfocus = head;
3256
3257                 /* skip iconics */
3258                 if (winfocus && winfocus->iconic) {
3259                         while (winfocus != cur_focus) {
3260                                 if (winfocus == NULL)
3261                                         winfocus = TAILQ_FIRST(wl);
3262                                 if (winfocus->iconic == 0)
3263                                         break;
3264                                 winfocus = TAILQ_NEXT(winfocus, entry);
3265                         }
3266                 }
3267                 break;
3268
3269         case SWM_ARG_ID_FOCUSMAIN:
3270                 winfocus = TAILQ_FIRST(wl);
3271                 if (winfocus == cur_focus)
3272                         winfocus = cur_focus->ws->focus_prev;
3273                 break;
3274
3275         default:
3276                 return;
3277         }
3278
3279         focus_win(focus_magic(winfocus));
3280
3281         xcb_flush(conn);
3282 }
3283
3284 void
3285 cycle_layout(struct swm_region *r, union arg *args)
3286 {
3287         struct workspace        *ws = r->ws;
3288         union arg               a;
3289
3290         /* suppress unused warning since var is needed */
3291         (void)args;
3292
3293         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3294
3295         ws->cur_layout++;
3296         if (ws->cur_layout->l_stack == NULL)
3297                 ws->cur_layout = &layouts[0];
3298
3299         stack();
3300         bar_update();
3301
3302         a.id = SWM_ARG_ID_FOCUSCUR;
3303         focus(r, &a);
3304
3305         if (focus_mode == SWM_FOCUS_DEFAULT)
3306                 event_drain(XCB_ENTER_NOTIFY);
3307         else
3308                 xcb_flush(conn);
3309 }
3310
3311 void
3312 stack_config(struct swm_region *r, union arg *args)
3313 {
3314         struct workspace        *ws = r->ws;
3315
3316         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3317             args->id, ws->idx);
3318
3319         if (ws->cur_layout->l_config != NULL)
3320                 ws->cur_layout->l_config(ws, args->id);
3321
3322         if (args->id != SWM_ARG_ID_STACKINIT)
3323                 stack();
3324         bar_update();
3325 }
3326
3327 void
3328 stack(void) {
3329         struct swm_geometry     g;
3330         struct swm_region       *r;
3331         int                     i, num_screens;
3332 #ifdef SWM_DEBUG
3333         int j;
3334 #endif
3335
3336         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3337
3338         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3339         for (i = 0; i < num_screens; i++) {
3340 #ifdef SWM_DEBUG
3341                 j = 0;
3342 #endif
3343                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3344                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3345                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3346
3347                         /* start with screen geometry, adjust for bar */
3348                         g = r->g;
3349                         g.w -= 2 * border_width;
3350                         g.h -= 2 * border_width;
3351                         if (bar_enabled) {
3352                                 if (!bar_at_bottom)
3353                                         g.y += bar_height;
3354                                 g.h -= bar_height;
3355                         }
3356                         r->ws->cur_layout->l_stack(r->ws, &g);
3357                         r->ws->cur_layout->l_string(r->ws);
3358                         /* save r so we can track region changes */
3359                         r->ws->old_r = r;
3360                 }
3361         }
3362         if (font_adjusted)
3363                 font_adjusted--;
3364
3365         DNPRINTF(SWM_D_STACK, "stack: end\n");
3366 }
3367
3368 void
3369 store_float_geom(struct ws_win *win, struct swm_region *r)
3370 {
3371         /* retain window geom and region geom */
3372         win->g_float = win->g;
3373         win->g_float.x -= X(r);
3374         win->g_float.y -= Y(r);
3375         win->g_floatvalid = 1;
3376         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3377             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3378             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3379             win->g_float.w, win->g_float.h);
3380 }
3381
3382 void
3383 stack_floater(struct ws_win *win, struct swm_region *r)
3384 {
3385         if (win == NULL)
3386                 return;
3387
3388         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3389
3390         /*
3391          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3392          * geom on ws switches or return from max mode
3393          */
3394         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3395             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3396                 /* refloat at last floating relative position */
3397                 win->g = win->g_float;
3398                 X(win) += X(r);
3399                 Y(win) += Y(r);
3400         }
3401
3402         win->floatmaxed = 0;
3403
3404         /*
3405          * if set to fullscreen mode, configure window to maximum size.
3406          */
3407         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3408                 if (!win->g_floatvalid)
3409                         store_float_geom(win, win->ws->r);
3410
3411                 win->g = win->ws->r->g;
3412         }
3413
3414         /*
3415          * remove border on fullscreen floater when in fullscreen mode or when
3416          * the quirk is present.
3417          */
3418         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3419             ((win->quirks & SWM_Q_FULLSCREEN) &&
3420              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3421                 if (win->bordered) {
3422                         win->bordered = 0;
3423                         X(win) += border_width;
3424                         Y(win) += border_width;
3425                 }
3426         } else if (!win->bordered) {
3427                 win->bordered = 1;
3428                 X(win) -= border_width;
3429                 Y(win) -= border_width;
3430         }
3431
3432         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3433                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3434                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3435         }
3436
3437         if (!win->manual) {
3438                 /*
3439                  * floaters and transients are auto-centred unless moved
3440                  * or resized
3441                  */
3442                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3443                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3444         }
3445
3446         /* keep window within region bounds */
3447         constrain_window(win, r, 0);
3448
3449         update_window(win);
3450 }
3451
3452 /*
3453  * Send keystrokes to terminal to decrease/increase the font size as the
3454  * window size changes.
3455  */
3456 void
3457 adjust_font(struct ws_win *win)
3458 {
3459         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3460             win->floating || win->transient)
3461                 return;
3462
3463         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3464             WIDTH(win) / win->sh.width_inc < term_width &&
3465             win->font_steps < SWM_MAX_FONT_STEPS) {
3466                 win->font_size_boundary[win->font_steps] =
3467                     (win->sh.width_inc * term_width) + win->sh.base_width;
3468                 win->font_steps++;
3469                 font_adjusted++;
3470                 win->last_inc = win->sh.width_inc;
3471                 fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
3472         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3473             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3474                 win->font_steps--;
3475                 font_adjusted++;
3476                 win->last_inc = win->sh.width_inc;
3477                 fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
3478         }
3479 }
3480
3481 #define SWAPXY(g)       do {                            \
3482         int tmp;                                        \
3483         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3484         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3485 } while (0)
3486 void
3487 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3488 {
3489         struct swm_geometry     win_g, r_g = *g;
3490         struct ws_win           *win, *fs_win = NULL;
3491         int                     i, j, s, stacks;
3492         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3493         int                     hrh, extra = 0, h_slice, last_h = 0;
3494         int                     split, colno, winno, mwin, msize, mscale;
3495         int                     remain, missing, v_slice, reconfigure;
3496         int                     bordered = 1;
3497         xcb_get_window_attributes_reply_t *war;
3498
3499         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3500             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3501
3502         winno = count_win(ws, 0);
3503         if (winno == 0 && count_win(ws, 1) == 0)
3504                 return;
3505
3506         TAILQ_FOREACH(win, &ws->winlist, entry)
3507                 if (win->transient == 0 && win->floating == 0
3508                     && win->iconic == 0)
3509                         break;
3510
3511         if (win == NULL)
3512                 goto notiles;
3513
3514         if (rot) {
3515                 w_inc = win->sh.width_inc;
3516                 w_base = win->sh.base_width;
3517                 mwin = ws->l_state.horizontal_mwin;
3518                 mscale = ws->l_state.horizontal_msize;
3519                 stacks = ws->l_state.horizontal_stacks;
3520                 SWAPXY(&r_g);
3521         } else {
3522                 w_inc = win->sh.height_inc;
3523                 w_base = win->sh.base_height;
3524                 mwin = ws->l_state.vertical_mwin;
3525                 mscale = ws->l_state.vertical_msize;
3526                 stacks = ws->l_state.vertical_stacks;
3527         }
3528         win_g = r_g;
3529
3530         if (stacks > winno - mwin)
3531                 stacks = winno - mwin;
3532         if (stacks < 1)
3533                 stacks = 1;
3534
3535         h_slice = r_g.h / SWM_H_SLICE;
3536         if (mwin && winno > mwin) {
3537                 v_slice = r_g.w / SWM_V_SLICE;
3538
3539                 split = mwin;
3540                 colno = split;
3541                 win_g.w = v_slice * mscale;
3542
3543                 if (w_inc > 1 && w_inc < v_slice) {
3544                         /* adjust for window's requested size increment */
3545                         remain = (win_g.w - w_base) % w_inc;
3546                         win_g.w -= remain;
3547                 }
3548
3549                 msize = win_g.w;
3550                 if (flip)
3551                         win_g.x += r_g.w - msize;
3552         } else {
3553                 msize = -2;
3554                 colno = split = winno / stacks;
3555                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3556                     2 * border_width) / stacks);
3557         }
3558         hrh = r_g.h / colno;
3559         extra = r_g.h - (colno * hrh);
3560         win_g.h = hrh - 2 * border_width;
3561
3562         /*  stack all the tiled windows */
3563         i = j = 0, s = stacks;
3564         TAILQ_FOREACH(win, &ws->winlist, entry) {
3565                 if (win->transient != 0 || win->floating != 0)
3566                         continue;
3567                 if (win->iconic != 0)
3568                         continue;
3569
3570                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3571                         fs_win = win;
3572                         continue;
3573                 }
3574
3575                 if (split && i == split) {
3576                         colno = (winno - mwin) / stacks;
3577                         if (s <= (winno - mwin) % stacks)
3578                                 colno++;
3579                         split = split + colno;
3580                         hrh = (r_g.h / colno);
3581                         extra = r_g.h - (colno * hrh);
3582                         if (flip)
3583                                 win_g.x = r_g.x;
3584                         else
3585                                 win_g.x += win_g.w + 2 * border_width;
3586                         win_g.w = (r_g.w - msize -
3587                             (stacks * 2 * border_width)) / stacks;
3588                         if (s == 1)
3589                                 win_g.w += (r_g.w - msize -
3590                                     (stacks * 2 * border_width)) % stacks;
3591                         s--;
3592                         j = 0;
3593                 }
3594                 win_g.h = hrh - 2 * border_width;
3595                 if (rot) {
3596                         h_inc = win->sh.width_inc;
3597                         h_base = win->sh.base_width;
3598                 } else {
3599                         h_inc = win->sh.height_inc;
3600                         h_base = win->sh.base_height;
3601                 }
3602                 if (j == colno - 1) {
3603                         win_g.h = hrh + extra;
3604                 } else if (h_inc > 1 && h_inc < h_slice) {
3605                         /* adjust for window's requested size increment */
3606                         remain = (win_g.h - h_base) % h_inc;
3607                         missing = h_inc - remain;
3608
3609                         if (missing <= extra || j == 0) {
3610                                 extra -= missing;
3611                                 win_g.h += missing;
3612                         } else {
3613                                 win_g.h -= remain;
3614                                 extra += remain;
3615                         }
3616                 }
3617
3618                 if (j == 0)
3619                         win_g.y = r_g.y;
3620                 else
3621                         win_g.y += last_h + 2 * border_width;
3622
3623                 if (disable_border && bar_enabled == 0 && winno == 1){
3624                         bordered = 0;
3625                         win_g.w += 2 * border_width;
3626                         win_g.h += 2 * border_width;
3627                 } else {
3628                         bordered = 1;
3629                 }
3630                 if (rot) {
3631                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3632                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3633                                 reconfigure = 1;
3634                                 X(win) = win_g.y;
3635                                 Y(win) = win_g.x;
3636                                 WIDTH(win) = win_g.h;
3637                                 HEIGHT(win) = win_g.w;
3638                         }
3639                 } else {
3640                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3641                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3642                                 reconfigure = 1;
3643                                 X(win) = win_g.x;
3644                                 Y(win) = win_g.y;
3645                                 WIDTH(win) = win_g.w;
3646                                 HEIGHT(win) = win_g.h;
3647                         }
3648                 }
3649
3650                 if (bordered != win->bordered) {
3651                         reconfigure = 1;
3652                         win->bordered = bordered;
3653                 }
3654
3655                 if (reconfigure) {
3656                         adjust_font(win);
3657                         update_window(win);
3658                 }
3659
3660                 war = xcb_get_window_attributes_reply(conn,
3661                         xcb_get_window_attributes(conn, win->id),
3662                         NULL);
3663                 if (war) {
3664                         if (war->map_state == XCB_MAP_STATE_UNMAPPED)
3665                                 map_window_raised(win->id);
3666                         free(war);
3667                 }
3668
3669                 last_h = win_g.h;
3670                 i++;
3671                 j++;
3672         }
3673
3674 notiles:
3675         /* now, stack all the floaters and transients */
3676         TAILQ_FOREACH(win, &ws->winlist, entry) {
3677                 if (win->transient == 0 && win->floating == 0)
3678                         continue;
3679                 if (win->iconic == 1)
3680                         continue;
3681                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3682                         fs_win = win;
3683                         continue;
3684                 }
3685
3686                 stack_floater(win, ws->r);
3687                 map_window_raised(win->id);
3688         }
3689
3690         if (fs_win) {
3691                 stack_floater(fs_win, ws->r);
3692                 map_window_raised(fs_win->id);
3693         }
3694 }
3695
3696 void
3697 vertical_config(struct workspace *ws, int id)
3698 {
3699         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3700             id, ws->idx);
3701
3702         switch (id) {
3703         case SWM_ARG_ID_STACKRESET:
3704         case SWM_ARG_ID_STACKINIT:
3705                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3706                 ws->l_state.vertical_mwin = 1;
3707                 ws->l_state.vertical_stacks = 1;
3708                 break;
3709         case SWM_ARG_ID_MASTERSHRINK:
3710                 if (ws->l_state.vertical_msize > 1)
3711                         ws->l_state.vertical_msize--;
3712                 break;
3713         case SWM_ARG_ID_MASTERGROW:
3714                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3715                         ws->l_state.vertical_msize++;
3716                 break;
3717         case SWM_ARG_ID_MASTERADD:
3718                 ws->l_state.vertical_mwin++;
3719                 break;
3720         case SWM_ARG_ID_MASTERDEL:
3721                 if (ws->l_state.vertical_mwin > 0)
3722                         ws->l_state.vertical_mwin--;
3723                 break;
3724         case SWM_ARG_ID_STACKINC:
3725                 ws->l_state.vertical_stacks++;
3726                 break;
3727         case SWM_ARG_ID_STACKDEC:
3728                 if (ws->l_state.vertical_stacks > 1)
3729                         ws->l_state.vertical_stacks--;
3730                 break;
3731         case SWM_ARG_ID_FLIPLAYOUT:
3732                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3733                 break;
3734         default:
3735                 return;
3736         }
3737 }
3738
3739 void
3740 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3741 {
3742         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3743
3744         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3745 }
3746
3747 void
3748 horizontal_config(struct workspace *ws, int id)
3749 {
3750         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3751
3752         switch (id) {
3753         case SWM_ARG_ID_STACKRESET:
3754         case SWM_ARG_ID_STACKINIT:
3755                 ws->l_state.horizontal_mwin = 1;
3756                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3757                 ws->l_state.horizontal_stacks = 1;
3758                 break;
3759         case SWM_ARG_ID_MASTERSHRINK:
3760                 if (ws->l_state.horizontal_msize > 1)
3761                         ws->l_state.horizontal_msize--;
3762                 break;
3763         case SWM_ARG_ID_MASTERGROW:
3764                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3765                         ws->l_state.horizontal_msize++;
3766                 break;
3767         case SWM_ARG_ID_MASTERADD:
3768                 ws->l_state.horizontal_mwin++;
3769                 break;
3770         case SWM_ARG_ID_MASTERDEL:
3771                 if (ws->l_state.horizontal_mwin > 0)
3772                         ws->l_state.horizontal_mwin--;
3773                 break;
3774         case SWM_ARG_ID_STACKINC:
3775                 ws->l_state.horizontal_stacks++;
3776                 break;
3777         case SWM_ARG_ID_STACKDEC:
3778                 if (ws->l_state.horizontal_stacks > 1)
3779                         ws->l_state.horizontal_stacks--;
3780                 break;
3781         case SWM_ARG_ID_FLIPLAYOUT:
3782                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3783                 break;
3784         default:
3785                 return;
3786         }
3787 }
3788
3789 void
3790 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3791 {
3792         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3793
3794         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3795 }
3796
3797 /* fullscreen view */
3798 void
3799 max_stack(struct workspace *ws, struct swm_geometry *g)
3800 {
3801         struct swm_geometry     gg = *g;
3802         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3803         int                     winno, num_screens;
3804
3805         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3806
3807         if (ws == NULL)
3808                 return;
3809
3810         winno = count_win(ws, 0);
3811         if (winno == 0 && count_win(ws, 1) == 0)
3812                 return;
3813
3814         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3815         TAILQ_FOREACH(win, &ws->winlist, entry) {
3816                 if (win->transient) {
3817                         wintrans = win;
3818                         parent = find_window(win->transient);
3819                         continue;
3820                 }
3821
3822                 if (win->floating && win->floatmaxed == 0 ) {
3823                         /*
3824                          * retain geometry for retrieval on exit from
3825                          * max_stack mode
3826                          */
3827                         store_float_geom(win, ws->r);
3828                         win->floatmaxed = 1;
3829                 }
3830
3831                 /* only reconfigure if necessary */
3832                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3833                     HEIGHT(win) != gg.h) {
3834                         win->g = gg;
3835                         if (bar_enabled){
3836                                 win->bordered = 1;
3837                         } else {
3838                                 win->bordered = 0;
3839                                 WIDTH(win) += 2 * border_width;
3840                                 HEIGHT(win) += 2 * border_width;
3841                         }
3842
3843                         update_window(win);
3844                 }
3845                 /* unmap only if we don't have multi screen */
3846                 if (win != ws->focus)
3847                         if (!(num_screens > 1 || outputs > 1))
3848                                 unmap_window(win);
3849         }
3850
3851         /* put the last transient on top */
3852         if (wintrans) {
3853                 if (parent)
3854                         map_window_raised(parent->id);
3855                 stack_floater(wintrans, ws->r);
3856                 focus_win(focus_magic(wintrans));
3857         }
3858 }
3859
3860 void
3861 send_to_ws(struct swm_region *r, union arg *args)
3862 {
3863         int                     wsid = args->id;
3864         struct ws_win           *win = NULL, *parent;
3865         struct workspace        *ws, *nws;
3866         char                    ws_idx_str[SWM_PROPLEN];
3867         union arg               a;
3868
3869         if (wsid >= workspace_limit)
3870                 return;
3871
3872         if (r && r->ws && r->ws->focus)
3873                 win = r->ws->focus;
3874         else
3875                 return;
3876         if (win == NULL)
3877                 return;
3878         if (win->ws->idx == wsid)
3879                 return;
3880
3881         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3882
3883         ws = win->ws;
3884         nws = &win->s->ws[wsid];
3885
3886         a.id = SWM_ARG_ID_FOCUSPREV;
3887         focus(r, &a);
3888         if (win->transient) {
3889                 parent = find_window(win->transient);
3890                 if (parent) {
3891                         unmap_window(parent);
3892                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3893                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3894                         parent->ws = nws;
3895                 }
3896         }
3897         unmap_window(win);
3898         TAILQ_REMOVE(&ws->winlist, win, entry);
3899         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3900         if (TAILQ_EMPTY(&ws->winlist))
3901                 r->ws->focus = NULL;
3902         win->ws = nws;
3903
3904         /* Try to update the window's workspace property */
3905         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
3906                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3907                     ws_idx_str);
3908                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3909                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3910                     ws_idx_str);
3911         }
3912
3913         stack();
3914         bar_update();
3915
3916         if (focus_mode == SWM_FOCUS_DEFAULT)
3917                 event_drain(XCB_ENTER_NOTIFY);
3918         else
3919                 xcb_flush(conn);
3920 }
3921
3922 void
3923 pressbutton(struct swm_region *r, union arg *args)
3924 {
3925         /* suppress unused warning since var is needed */
3926         (void)r;
3927
3928         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
3929             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3930         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
3931             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3932 }
3933
3934 void
3935 raise_toggle(struct swm_region *r, union arg *args)
3936 {
3937         /* suppress unused warning since var is needed */
3938         (void)args;
3939
3940         if (r == NULL || r->ws == NULL)
3941                 return;
3942
3943         r->ws->always_raise = !r->ws->always_raise;
3944
3945         /* bring floaters back to top */
3946         if (r->ws->always_raise == 0)
3947                 stack();
3948
3949         if (focus_mode == SWM_FOCUS_DEFAULT)
3950                 event_drain(XCB_ENTER_NOTIFY);
3951         else
3952                 xcb_flush(conn);
3953 }
3954
3955 void
3956 iconify(struct swm_region *r, union arg *args)
3957 {
3958         union arg a;
3959
3960         /* suppress unused warning since var is needed */
3961         (void)args;
3962
3963         if (r->ws->focus == NULL)
3964                 return;
3965         unmap_window(r->ws->focus);
3966         update_iconic(r->ws->focus, 1);
3967         stack();
3968
3969         r->ws->focus = NULL;
3970         a.id = SWM_ARG_ID_FOCUSCUR;
3971         focus(r, &a);
3972
3973         if (focus_mode == SWM_FOCUS_DEFAULT)
3974                 event_drain(XCB_ENTER_NOTIFY);
3975         else
3976                 xcb_flush(conn);
3977 }
3978
3979 char *
3980 get_win_name(xcb_window_t win)
3981 {
3982         char                            *name = NULL;
3983         xcb_get_property_cookie_t       c;
3984         xcb_get_property_reply_t        *r;
3985
3986         /* First try _NET_WM_NAME for UTF-8. */
3987         c = xcb_get_property(conn, 0, win, a_netwmname,
3988             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
3989         r = xcb_get_property_reply(conn, c, NULL);
3990
3991         if (!r || r->type == XCB_NONE) {
3992                 free(r);
3993                 /* Use WM_NAME instead; no UTF-8. */
3994                 c = xcb_get_property(conn, 0, win, XCB_ATOM_WM_NAME,
3995                     XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
3996                 r = xcb_get_property_reply(conn, c, NULL);
3997
3998                 if(!r || r->type == XCB_NONE) {
3999                         free(r);
4000                         return NULL;
4001                 }
4002         }
4003
4004         if (r->length > 0)
4005                 name = strndup(xcb_get_property_value(r),
4006                     xcb_get_property_value_length(r));
4007
4008         free(r);
4009         return name;
4010 }
4011
4012 void
4013 uniconify(struct swm_region *r, union arg *args)
4014 {
4015         struct ws_win           *win;
4016         FILE                    *lfile;
4017         char                    *name;
4018         int                     count = 0;
4019
4020         DNPRINTF(SWM_D_MISC, "uniconify\n");
4021
4022         if (r == NULL || r->ws == NULL)
4023                 return;
4024
4025         /* make sure we have anything to uniconify */
4026         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4027                 if (win->ws == NULL)
4028                         continue; /* should never happen */
4029                 if (win->iconic == 0)
4030                         continue;
4031                 count++;
4032         }
4033         if (count == 0)
4034                 return;
4035
4036         search_r = r;
4037         search_resp_action = SWM_SEARCH_UNICONIFY;
4038
4039         spawn_select(r, args, "search", &searchpid);
4040
4041         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4042                 return;
4043
4044         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4045                 if (win->ws == NULL)
4046                         continue; /* should never happen */
4047                 if (win->iconic == 0)
4048                         continue;
4049
4050                 name = get_win_name(win->id);
4051                 if (name == NULL)
4052                         continue;
4053                 fprintf(lfile, "%s.%u\n", name, win->id);
4054                 free(name);
4055         }
4056
4057         fclose(lfile);
4058
4059         xcb_flush(conn);
4060 }
4061
4062 void
4063 name_workspace(struct swm_region *r, union arg *args)
4064 {
4065         FILE                    *lfile;
4066
4067         DNPRINTF(SWM_D_MISC, "name_workspace\n");
4068
4069         if (r == NULL)
4070                 return;
4071
4072         search_r = r;
4073         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
4074
4075         spawn_select(r, args, "name_workspace", &searchpid);
4076
4077         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4078                 return;
4079
4080         fprintf(lfile, "%s", "");
4081         fclose(lfile);
4082 }
4083
4084 void
4085 search_workspace(struct swm_region *r, union arg *args)
4086 {
4087         int                     i;
4088         struct workspace        *ws;
4089         FILE                    *lfile;
4090
4091         DNPRINTF(SWM_D_MISC, "search_workspace\n");
4092
4093         if (r == NULL)
4094                 return;
4095
4096         search_r = r;
4097         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
4098
4099         spawn_select(r, args, "search", &searchpid);
4100
4101         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4102                 return;
4103
4104         for (i = 0; i < workspace_limit; i++) {
4105                 ws = &r->s->ws[i];
4106                 if (ws == NULL)
4107                         continue;
4108                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
4109                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
4110         }
4111
4112         fclose(lfile);
4113 }
4114
4115 void
4116 search_win_cleanup(void)
4117 {
4118         struct search_window    *sw = NULL;
4119
4120         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
4121                 xcb_destroy_window(conn, sw->indicator);
4122                 TAILQ_REMOVE(&search_wl, sw, entry);
4123                 free(sw);
4124         }
4125 }
4126
4127 void
4128 search_win(struct swm_region *r, union arg *args)
4129 {
4130         struct ws_win           *win = NULL;
4131         struct search_window    *sw = NULL;
4132         xcb_window_t            w;
4133         uint32_t                wa[2];
4134         int                     i, width, height;
4135         char                    s[8];
4136         FILE                    *lfile;
4137         size_t                  len;
4138         XftDraw                 *draw;
4139         XGlyphInfo              info;
4140         GC                      l_draw;
4141         XGCValues               l_gcv;
4142         XRectangle              l_ibox, l_lbox;
4143
4144         DNPRINTF(SWM_D_MISC, "search_win\n");
4145
4146         search_r = r;
4147         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
4148
4149         spawn_select(r, args, "search", &searchpid);
4150
4151         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4152                 return;
4153
4154         TAILQ_INIT(&search_wl);
4155
4156         i = 1;
4157         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4158                 if (win->iconic == 1)
4159                         continue;
4160
4161                 sw = calloc(1, sizeof(struct search_window));
4162                 if (sw == NULL) {
4163                         warn("search_win: calloc");
4164                         fclose(lfile);
4165                         search_win_cleanup();
4166                         return;
4167                 }
4168                 sw->idx = i;
4169                 sw->win = win;
4170
4171                 snprintf(s, sizeof s, "%d", i);
4172                 len = strlen(s);
4173
4174                 w = xcb_generate_id(conn);
4175                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
4176                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].pixel;
4177
4178                 if (bar_font_legacy) {
4179                         XmbTextExtents(bar_fs, s, len, &l_ibox, &l_lbox);
4180                         width = l_lbox.width + 4;
4181                         height = bar_fs_extents->max_logical_extent.height + 4;
4182                 } else {
4183                         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len,
4184                             &info);
4185                         width = info.width + 4;
4186                         height = bar_font->height + 4;
4187                 }
4188
4189                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
4190                     width, height, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
4191                     XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL |
4192                     XCB_CW_BORDER_PIXEL, wa);
4193
4194                 map_window_raised(w);
4195
4196                 sw->indicator = w;
4197                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
4198
4199                 if (bar_font_legacy) {
4200                         l_gcv.graphics_exposures = 0;
4201                         l_draw = XCreateGC(display, w, 0, &l_gcv);
4202
4203                         XSetForeground(display, l_draw,
4204                                 r->s->c[SWM_S_COLOR_BAR].pixel);
4205
4206                         DRAWSTRING(display, w, bar_fs, l_draw, 2,
4207                             (bar_fs_extents->max_logical_extent.height -
4208                             l_lbox.height) / 2 - l_lbox.y, s, len);
4209
4210                         XFreeGC(display, l_draw);
4211                 } else {
4212
4213                         draw = XftDrawCreate(display, w,
4214                             DefaultVisual(display, r->s->idx),
4215                             DefaultColormap(display, r->s->idx));
4216
4217                         XftDrawStringUtf8(draw, &bar_font_color, bar_font, 2,
4218                             (HEIGHT(r->bar) + bar_font->height) / 2 -
4219                             bar_font->descent, (FcChar8 *)s, len);
4220
4221                         XftDrawDestroy(draw);
4222                 }
4223
4224                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
4225
4226                 fprintf(lfile, "%d\n", i);
4227                 i++;
4228         }
4229
4230         fclose(lfile);
4231
4232         xcb_flush(conn);
4233 }
4234
4235 void
4236 search_resp_uniconify(char *resp, unsigned long len)
4237 {
4238         char                    *name;
4239         struct ws_win           *win;
4240         char                    *s;
4241
4242         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
4243
4244         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
4245                 if (win->iconic == 0)
4246                         continue;
4247                 name = get_win_name(win->id);
4248                 if (name == NULL)
4249                         continue;
4250                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
4251                         free(name);
4252                         continue;
4253                 }
4254                 free(name);
4255                 if (strncmp(s, resp, len) == 0) {
4256                         /* XXX this should be a callback to generalize */
4257                         update_iconic(win, 0);
4258                         free(s);
4259                         break;
4260                 }
4261                 free(s);
4262         }
4263 }
4264
4265 void
4266 search_resp_name_workspace(char *resp, unsigned long len)
4267 {
4268         struct workspace        *ws;
4269
4270         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
4271
4272         if (search_r->ws == NULL)
4273                 return;
4274         ws = search_r->ws;
4275
4276         if (ws->name) {
4277                 free(search_r->ws->name);
4278                 search_r->ws->name = NULL;
4279         }
4280
4281         if (len > 1) {
4282                 ws->name = strdup(resp);
4283                 if (ws->name == NULL) {
4284                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
4285                             "strdup: %s", strerror(errno));
4286                         return;
4287                 }
4288         }
4289 }
4290
4291 void
4292 search_resp_search_workspace(char *resp)
4293 {
4294         char                    *p, *q;
4295         int                     ws_idx;
4296         const char              *errstr;
4297         union arg               a;
4298
4299         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
4300
4301         q = strdup(resp);
4302         if (!q) {
4303                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
4304                     strerror(errno));
4305                 return;
4306         }
4307         p = strchr(q, ':');
4308         if (p != NULL)
4309                 *p = '\0';
4310         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
4311         if (errstr) {
4312                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4313                     errstr, q);
4314                 free(q);
4315                 return;
4316         }
4317         free(q);
4318         a.id = ws_idx - 1;
4319         switchws(search_r, &a);
4320 }
4321
4322 void
4323 search_resp_search_window(char *resp)
4324 {
4325         char                    *s;
4326         int                     idx;
4327         const char              *errstr;
4328         struct search_window    *sw;
4329
4330         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4331
4332         s = strdup(resp);
4333         if (!s) {
4334                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4335                     strerror(errno));
4336                 return;
4337         }
4338
4339         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
4340         if (errstr) {
4341                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4342                     errstr, s);
4343                 free(s);
4344                 return;
4345         }
4346         free(s);
4347
4348         TAILQ_FOREACH(sw, &search_wl, entry)
4349                 if (idx == sw->idx) {
4350                         focus_win(sw->win);
4351                         break;
4352                 }
4353 }
4354
4355 #define MAX_RESP_LEN    1024
4356
4357 void
4358 search_do_resp(void)
4359 {
4360         ssize_t                 rbytes;
4361         char                    *resp;
4362         unsigned long           len;
4363
4364         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4365
4366         search_resp = 0;
4367         searchpid = 0;
4368
4369         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4370                 warn("search: calloc");
4371                 goto done;
4372         }
4373
4374         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4375         if (rbytes <= 0) {
4376                 warn("search: read error");
4377                 goto done;
4378         }
4379         resp[rbytes] = '\0';
4380
4381         /* XXX:
4382          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4383          * newline, so work around that by sanitizing the resp now.
4384          */
4385         resp[strcspn(resp, "\n")] = '\0';
4386         len = strlen(resp);
4387
4388         switch (search_resp_action) {
4389         case SWM_SEARCH_UNICONIFY:
4390                 search_resp_uniconify(resp, len);
4391                 break;
4392         case SWM_SEARCH_NAME_WORKSPACE:
4393                 search_resp_name_workspace(resp, len);
4394                 break;
4395         case SWM_SEARCH_SEARCH_WORKSPACE:
4396                 search_resp_search_workspace(resp);
4397                 break;
4398         case SWM_SEARCH_SEARCH_WINDOW:
4399                 search_resp_search_window(resp);
4400                 break;
4401         }
4402
4403 done:
4404         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4405                 search_win_cleanup();
4406
4407         search_resp_action = SWM_SEARCH_NONE;
4408         close(select_resp_pipe[0]);
4409         free(resp);
4410 }
4411
4412 void
4413 wkill(struct swm_region *r, union arg *args)
4414 {
4415         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4416
4417         if (r->ws->focus == NULL)
4418                 return;
4419
4420         if (args->id == SWM_ARG_ID_KILLWINDOW)
4421                 xcb_kill_client(conn, r->ws->focus->id);
4422         else
4423                 if (r->ws->focus->can_delete)
4424                         client_msg(r->ws->focus, a_delete);
4425
4426         xcb_flush(conn);
4427 }
4428
4429
4430 int
4431 floating_toggle_win(struct ws_win *win)
4432 {
4433         struct swm_region       *r;
4434
4435         if (win == NULL)
4436                 return (0);
4437
4438         if (!win->ws->r)
4439                 return (0);
4440
4441         r = win->ws->r;
4442
4443         /* reject floating toggles in max stack mode */
4444         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4445                 return (0);
4446
4447         if (win->floating) {
4448                 if (!win->floatmaxed) {
4449                         /* retain position for refloat */
4450                         store_float_geom(win, r);
4451                 }
4452                 win->floating = 0;
4453         } else {
4454                 if (win->g_floatvalid) {
4455                         /* refloat at last floating relative position */
4456                         X(win) = win->g_float.x + X(r);
4457                         Y(win) = win->g_float.y + Y(r);
4458                         WIDTH(win) = win->g_float.w;
4459                         HEIGHT(win) = win->g_float.h;
4460                 }
4461                 win->floating = 1;
4462         }
4463
4464         ewmh_update_actions(win);
4465
4466         return (1);
4467 }
4468
4469 void
4470 floating_toggle(struct swm_region *r, union arg *args)
4471 {
4472         struct ws_win           *win = r->ws->focus;
4473         union arg               a;
4474
4475         /* suppress unused warning since var is needed */
4476         (void)args;
4477
4478         if (win == NULL)
4479                 return;
4480
4481         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4482             _NET_WM_STATE_TOGGLE);
4483
4484         stack();
4485
4486         if (win == win->ws->focus) {
4487                 a.id = SWM_ARG_ID_FOCUSCUR;
4488                 focus(win->ws->r, &a);
4489         }
4490
4491         if (focus_mode == SWM_FOCUS_DEFAULT)
4492                 event_drain(XCB_ENTER_NOTIFY);
4493         else
4494                 xcb_flush(conn);
4495 }
4496
4497 void
4498 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4499 {
4500         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4501                 if (resizable)
4502                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4503                 else
4504                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4505         }
4506
4507         if (X(win) + BORDER(win) < X(r)) {
4508                 if (resizable)
4509                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4510
4511                 X(win) = X(r) - BORDER(win);
4512         }
4513
4514         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4515                 if (resizable)
4516                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4517                 else
4518                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4519         }
4520
4521         if (Y(win) + BORDER(win) < Y(r)) {
4522                 if (resizable)
4523                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4524
4525                 Y(win) = Y(r) - BORDER(win);
4526         }
4527
4528         if (resizable) {
4529                 if (WIDTH(win) < 1)
4530                         WIDTH(win) = 1;
4531                 if (HEIGHT(win) < 1)
4532                         HEIGHT(win) = 1;
4533         }
4534 }
4535
4536 void
4537 update_window(struct ws_win *win)
4538 {
4539         uint16_t        mask;
4540         uint32_t        wc[5];
4541
4542         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4543             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4544             XCB_CONFIG_WINDOW_BORDER_WIDTH;
4545         wc[0] = X(win);
4546         wc[1] = Y(win);
4547         wc[2] = WIDTH(win);
4548         wc[3] = HEIGHT(win);
4549         wc[4] = BORDER(win);
4550
4551         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4552             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4553             wc[3], YESNO(win->bordered));
4554
4555         xcb_configure_window(conn, win->id, mask, wc);
4556 }
4557
4558 #define SWM_RESIZE_STEPS        (50)
4559
4560 void
4561 resize(struct ws_win *win, union arg *args)
4562 {
4563         xcb_timestamp_t         timestamp = 0;
4564         struct swm_region       *r = NULL;
4565         int                     resize_step = 0;
4566         struct swm_geometry     g;
4567         int                     top = 0, left = 0, resizing;
4568         int                     dx, dy;
4569         unsigned int            shape; /* cursor style */
4570         xcb_cursor_t            cursor;
4571         xcb_font_t              cursor_font;
4572         xcb_query_pointer_reply_t       *xpr;
4573         xcb_generic_event_t             *evt;
4574         xcb_motion_notify_event_t       *mne;
4575
4576         if (win == NULL)
4577                 return;
4578         r = win->ws->r;
4579
4580         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4581                 return;
4582
4583         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
4584             "transient: 0x%x\n", win->id, YESNO(win->floating),
4585             win->transient);
4586
4587         if (!(win->transient != 0 || win->floating != 0))
4588                 return;
4589
4590         /* reject resizes in max mode for floaters (transient ok) */
4591         if (win->floatmaxed)
4592                 return;
4593
4594         win->manual = 1;
4595         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4596             _NET_WM_STATE_ADD);
4597
4598         stack();
4599
4600         if (focus_mode == SWM_FOCUS_DEFAULT)
4601                 event_drain(XCB_ENTER_NOTIFY);
4602         else
4603                 xcb_flush(conn);
4604
4605         switch (args->id) {
4606         case SWM_ARG_ID_WIDTHSHRINK:
4607                 WIDTH(win) -= SWM_RESIZE_STEPS;
4608                 resize_step = 1;
4609                 break;
4610         case SWM_ARG_ID_WIDTHGROW:
4611                 WIDTH(win) += SWM_RESIZE_STEPS;
4612                 resize_step = 1;
4613                 break;
4614         case SWM_ARG_ID_HEIGHTSHRINK:
4615                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4616                 resize_step = 1;
4617                 break;
4618         case SWM_ARG_ID_HEIGHTGROW:
4619                 HEIGHT(win) += SWM_RESIZE_STEPS;
4620                 resize_step = 1;
4621                 break;
4622         default:
4623                 break;
4624         }
4625         if (resize_step) {
4626                 constrain_window(win, r, 1);
4627                 update_window(win);
4628                 store_float_geom(win,r);
4629                 return;
4630         }
4631
4632         /* get cursor offset from window root */
4633         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4634             NULL);
4635         if (!xpr)
4636                 return;
4637
4638         g = win->g;
4639
4640         if (xpr->win_x < WIDTH(win) / 2)
4641                 left = 1;
4642
4643         if (xpr->win_y < HEIGHT(win) / 2)
4644                 top = 1;
4645
4646         if (args->id == SWM_ARG_ID_CENTER)
4647                 shape = XC_sizing;
4648         else if (top)
4649                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4650         else
4651                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4652
4653         cursor_font = xcb_generate_id(conn);
4654         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4655
4656         cursor = xcb_generate_id(conn);
4657         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4658             shape, shape + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4659
4660         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
4661             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
4662             XCB_CURRENT_TIME),
4663
4664         xcb_flush(conn);
4665         resizing = 1;
4666         while ((evt = xcb_wait_for_event(conn)) && resizing) {
4667                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4668                 case XCB_BUTTON_RELEASE:
4669                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
4670                         resizing = 0;
4671                         break;
4672                 case XCB_MOTION_NOTIFY:
4673                         mne = (xcb_motion_notify_event_t *)evt;
4674                         /* cursor offset/delta from start of the operation */
4675                         dx = mne->root_x - xpr->root_x;
4676                         dy = mne->root_y - xpr->root_y;
4677
4678                         /* vertical */
4679                         if (top)
4680                                 dy = -dy;
4681
4682                         if (args->id == SWM_ARG_ID_CENTER) {
4683                                 if (g.h / 2 + dy < 1)
4684                                         dy = 1 - g.h / 2;
4685
4686                                 Y(win) = g.y - dy;
4687                                 HEIGHT(win) = g.h + 2 * dy;
4688                         } else {
4689                                 if (g.h + dy < 1)
4690                                         dy = 1 - g.h;
4691
4692                                 if (top)
4693                                         Y(win) = g.y - dy;
4694
4695                                 HEIGHT(win) = g.h + dy;
4696                         }
4697
4698                         /* horizontal */
4699                         if (left)
4700                                 dx = -dx;
4701
4702                         if (args->id == SWM_ARG_ID_CENTER) {
4703                                 if (g.w / 2 + dx < 1)
4704                                         dx = 1 - g.w / 2;
4705
4706                                 X(win) = g.x - dx;
4707                                 WIDTH(win) = g.w + 2 * dx;
4708                         } else {
4709                                 if (g.w + dx < 1)
4710                                         dx = 1 - g.w;
4711
4712                                 if (left)
4713                                         X(win) = g.x - dx;
4714
4715                                 WIDTH(win) = g.w + dx;
4716                         }
4717
4718                         constrain_window(win, r, 1);
4719
4720                         /* not free, don't sync more than 120 times / second */
4721                         if ((mne->time - timestamp) > (1000 / 120) ) {
4722                                 timestamp = mne->time;
4723                                 do_sync();
4724                                 update_window(win);
4725                         }
4726                         break;
4727                 default:
4728                         event_handle(evt);
4729                         break;
4730                 }
4731                 free(evt);
4732         }
4733         if (timestamp) {
4734                 do_sync();
4735                 update_window(win);
4736         }
4737         store_float_geom(win,r);
4738
4739         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4740         xcb_free_cursor(conn, cursor);
4741         xcb_close_font(conn, cursor_font);
4742         free(xpr);
4743         DNPRINTF(SWM_D_EVENT, "resize: done\n");
4744 }
4745
4746 void
4747 resize_step(struct swm_region *r, union arg *args)
4748 {
4749         struct ws_win           *win = NULL;
4750
4751         if (r && r->ws && r->ws->focus)
4752                 win = r->ws->focus;
4753         else
4754                 return;
4755
4756         resize(win, args);
4757 }
4758
4759 #define SWM_MOVE_STEPS  (50)
4760
4761 void
4762 move(struct ws_win *win, union arg *args)
4763 {
4764         xcb_timestamp_t         timestamp = 0;
4765         int                     move_step = 0, moving;
4766         struct swm_region       *r = NULL;
4767         xcb_font_t                      cursor_font;
4768         xcb_cursor_t                    cursor;
4769         xcb_query_pointer_reply_t       *qpr;
4770         xcb_generic_event_t             *evt;
4771         xcb_motion_notify_event_t       *mne;
4772
4773         if (win == NULL)
4774                 return;
4775         r = win->ws->r;
4776
4777         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4778                 return;
4779
4780         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
4781             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4782
4783         /* in max_stack mode should only move transients */
4784         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4785                 return;
4786
4787         win->manual = 1;
4788         if (win->floating == 0 && !win->transient) {
4789                 store_float_geom(win, r);
4790                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4791                     _NET_WM_STATE_ADD);
4792         }
4793         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4794             _NET_WM_STATE_ADD);
4795
4796         stack();
4797
4798         if (focus_mode == SWM_FOCUS_DEFAULT)
4799                 event_drain(XCB_ENTER_NOTIFY);
4800         else
4801                 xcb_flush(conn);
4802
4803         move_step = 0;
4804         switch (args->id) {
4805         case SWM_ARG_ID_MOVELEFT:
4806                 X(win) -= (SWM_MOVE_STEPS - border_width);
4807                 move_step = 1;
4808                 break;
4809         case SWM_ARG_ID_MOVERIGHT:
4810                 X(win) += (SWM_MOVE_STEPS - border_width);
4811                 move_step = 1;
4812                 break;
4813         case SWM_ARG_ID_MOVEUP:
4814                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4815                 move_step = 1;
4816                 break;
4817         case SWM_ARG_ID_MOVEDOWN:
4818                 Y(win) += (SWM_MOVE_STEPS - border_width);
4819                 move_step = 1;
4820                 break;
4821         default:
4822                 break;
4823         }
4824         if (move_step) {
4825                 constrain_window(win, r, 0);
4826                 update_window(win);
4827                 store_float_geom(win, r);
4828                 return;
4829         }
4830
4831         cursor_font = xcb_generate_id(conn);
4832         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4833
4834         cursor = xcb_generate_id(conn);
4835         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4836                 XC_fleur, XC_fleur + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4837
4838         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
4839             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
4840             XCB_WINDOW_NONE, cursor, XCB_CURRENT_TIME);
4841
4842         /* get cursor offset from window root */
4843         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4844                 NULL);
4845         if (!qpr) {
4846                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4847                 xcb_free_cursor(conn, cursor);
4848                 xcb_close_font(conn, cursor_font);
4849                 return;
4850         }
4851
4852         xcb_flush(conn);
4853         moving = 1;
4854         while ((evt = xcb_wait_for_event(conn)) && moving) {
4855                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4856                 case XCB_BUTTON_RELEASE:
4857                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
4858                         moving = 0;
4859                         break;
4860                 case XCB_MOTION_NOTIFY:
4861                         mne = (xcb_motion_notify_event_t *)evt;
4862                         X(win) = mne->root_x - qpr->win_x - border_width;
4863                         Y(win) = mne->root_y - qpr->win_y - border_width;
4864
4865                         constrain_window(win, r, 0);
4866
4867                         /* not free, don't sync more than 120 times / second */
4868                         if ((mne->time - timestamp) > (1000 / 120) ) {
4869                                 timestamp = mne->time;
4870                                 do_sync();
4871                                 update_window(win);
4872                         }
4873                         break;
4874                 default:
4875                         event_handle(evt);
4876                         break;
4877                 }
4878                 free(evt);
4879         }
4880         if (timestamp) {
4881                 do_sync();
4882                 update_window(win);
4883         }
4884         store_float_geom(win, r);
4885         free(qpr);
4886         xcb_free_cursor(conn, cursor);
4887         xcb_close_font(conn, cursor_font);
4888         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4889         DNPRINTF(SWM_D_EVENT, "move: done\n");
4890 }
4891
4892 void
4893 move_step(struct swm_region *r, union arg *args)
4894 {
4895         struct ws_win           *win = NULL;
4896
4897         if (r && r->ws && r->ws->focus)
4898                 win = r->ws->focus;
4899         else
4900                 return;
4901
4902         if (!(win->transient != 0 || win->floating != 0))
4903                 return;
4904
4905         move(win, args);
4906 }
4907
4908
4909 /* user/key callable function IDs */
4910 enum keyfuncid {
4911         KF_BAR_TOGGLE,
4912         KF_BUTTON2,
4913         KF_CYCLE_LAYOUT,
4914         KF_FLIP_LAYOUT,
4915         KF_FLOAT_TOGGLE,
4916         KF_FOCUS_MAIN,
4917         KF_FOCUS_NEXT,
4918         KF_FOCUS_PREV,
4919         KF_HEIGHT_GROW,
4920         KF_HEIGHT_SHRINK,
4921         KF_ICONIFY,
4922         KF_MASTER_SHRINK,
4923         KF_MASTER_GROW,
4924         KF_MASTER_ADD,
4925         KF_MASTER_DEL,
4926         KF_MOVE_DOWN,
4927         KF_MOVE_LEFT,
4928         KF_MOVE_RIGHT,
4929         KF_MOVE_UP,
4930         KF_MVWS_1,
4931         KF_MVWS_2,
4932         KF_MVWS_3,
4933         KF_MVWS_4,
4934         KF_MVWS_5,
4935         KF_MVWS_6,
4936         KF_MVWS_7,
4937         KF_MVWS_8,
4938         KF_MVWS_9,
4939         KF_MVWS_10,
4940         KF_MVWS_11,
4941         KF_MVWS_12,
4942         KF_MVWS_13,
4943         KF_MVWS_14,
4944         KF_MVWS_15,
4945         KF_MVWS_16,
4946         KF_MVWS_17,
4947         KF_MVWS_18,
4948         KF_MVWS_19,
4949         KF_MVWS_20,
4950         KF_MVWS_21,
4951         KF_MVWS_22,
4952         KF_NAME_WORKSPACE,
4953         KF_QUIT,
4954         KF_RAISE_TOGGLE,
4955         KF_RESTART,
4956         KF_SCREEN_NEXT,
4957         KF_SCREEN_PREV,
4958         KF_SEARCH_WIN,
4959         KF_SEARCH_WORKSPACE,
4960         KF_SPAWN_CUSTOM,
4961         KF_STACK_INC,
4962         KF_STACK_DEC,
4963         KF_STACK_RESET,
4964         KF_SWAP_MAIN,
4965         KF_SWAP_NEXT,
4966         KF_SWAP_PREV,
4967         KF_UNICONIFY,
4968         KF_VERSION,
4969         KF_WIDTH_GROW,
4970         KF_WIDTH_SHRINK,
4971         KF_WIND_DEL,
4972         KF_WIND_KILL,
4973         KF_WS_1,
4974         KF_WS_2,
4975         KF_WS_3,
4976         KF_WS_4,
4977         KF_WS_5,
4978         KF_WS_6,
4979         KF_WS_7,
4980         KF_WS_8,
4981         KF_WS_9,
4982         KF_WS_10,
4983         KF_WS_11,
4984         KF_WS_12,
4985         KF_WS_13,
4986         KF_WS_14,
4987         KF_WS_15,
4988         KF_WS_16,
4989         KF_WS_17,
4990         KF_WS_18,
4991         KF_WS_19,
4992         KF_WS_20,
4993         KF_WS_21,
4994         KF_WS_22,
4995         KF_WS_NEXT,
4996         KF_WS_NEXT_ALL,
4997         KF_WS_PREV,
4998         KF_WS_PREV_ALL,
4999         KF_WS_PRIOR,
5000         KF_DUMPWINS, /* MUST BE LAST */
5001         KF_INVALID
5002 };
5003
5004 /* key definitions */
5005 struct keyfunc {
5006         char                    name[SWM_FUNCNAME_LEN];
5007         void                    (*func)(struct swm_region *r, union arg *);
5008         union arg               args;
5009 } keyfuncs[KF_INVALID + 1] = {
5010         /* name                 function        argument */
5011         { "bar_toggle",         bar_toggle,     {0} },
5012         { "button2",            pressbutton,    {2} },
5013         { "cycle_layout",       cycle_layout,   {0} },
5014         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
5015         { "float_toggle",       floating_toggle,{0} },
5016         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
5017         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
5018         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
5019         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
5020         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
5021         { "iconify",            iconify,        {0} },
5022         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
5023         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
5024         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
5025         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
5026         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
5027         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
5028         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
5029         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
5030         { "mvws_1",             send_to_ws,     {.id = 0} },
5031         { "mvws_2",             send_to_ws,     {.id = 1} },
5032         { "mvws_3",             send_to_ws,     {.id = 2} },
5033         { "mvws_4",             send_to_ws,     {.id = 3} },
5034         { "mvws_5",             send_to_ws,     {.id = 4} },
5035         { "mvws_6",             send_to_ws,     {.id = 5} },
5036         { "mvws_7",             send_to_ws,     {.id = 6} },
5037         { "mvws_8",             send_to_ws,     {.id = 7} },
5038         { "mvws_9",             send_to_ws,     {.id = 8} },
5039         { "mvws_10",            send_to_ws,     {.id = 9} },
5040         { "mvws_11",            send_to_ws,     {.id = 10} },
5041         { "mvws_12",            send_to_ws,     {.id = 11} },
5042         { "mvws_13",            send_to_ws,     {.id = 12} },
5043         { "mvws_14",            send_to_ws,     {.id = 13} },
5044         { "mvws_15",            send_to_ws,     {.id = 14} },
5045         { "mvws_16",            send_to_ws,     {.id = 15} },
5046         { "mvws_17",            send_to_ws,     {.id = 16} },
5047         { "mvws_18",            send_to_ws,     {.id = 17} },
5048         { "mvws_19",            send_to_ws,     {.id = 18} },
5049         { "mvws_20",            send_to_ws,     {.id = 19} },
5050         { "mvws_21",            send_to_ws,     {.id = 20} },
5051         { "mvws_22",            send_to_ws,     {.id = 21} },
5052         { "name_workspace",     name_workspace, {0} },
5053         { "quit",               quit,           {0} },
5054         { "raise_toggle",       raise_toggle,   {0} },
5055         { "restart",            restart,        {0} },
5056         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
5057         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
5058         { "search_win",         search_win,     {0} },
5059         { "search_workspace",   search_workspace,       {0} },
5060         { "spawn_custom",       NULL,           {0} },
5061         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
5062         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
5063         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
5064         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
5065         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
5066         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
5067         { "uniconify",          uniconify,      {0} },
5068         { "version",            version,        {0} },
5069         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
5070         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
5071         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
5072         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
5073         { "ws_1",               switchws,       {.id = 0} },
5074         { "ws_2",               switchws,       {.id = 1} },
5075         { "ws_3",               switchws,       {.id = 2} },
5076         { "ws_4",               switchws,       {.id = 3} },
5077         { "ws_5",               switchws,       {.id = 4} },
5078         { "ws_6",               switchws,       {.id = 5} },
5079         { "ws_7",               switchws,       {.id = 6} },
5080         { "ws_8",               switchws,       {.id = 7} },
5081         { "ws_9",               switchws,       {.id = 8} },
5082         { "ws_10",              switchws,       {.id = 9} },
5083         { "ws_11",              switchws,       {.id = 10} },
5084         { "ws_12",              switchws,       {.id = 11} },
5085         { "ws_13",              switchws,       {.id = 12} },
5086         { "ws_14",              switchws,       {.id = 13} },
5087         { "ws_15",              switchws,       {.id = 14} },
5088         { "ws_16",              switchws,       {.id = 15} },
5089         { "ws_17",              switchws,       {.id = 16} },
5090         { "ws_18",              switchws,       {.id = 17} },
5091         { "ws_19",              switchws,       {.id = 18} },
5092         { "ws_20",              switchws,       {.id = 19} },
5093         { "ws_21",              switchws,       {.id = 20} },
5094         { "ws_22",              switchws,       {.id = 21} },
5095         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
5096         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
5097         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
5098         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
5099         { "ws_prior",           priorws,        {0} },
5100         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
5101         { "invalid key func",   NULL,           {0} },
5102 };
5103 struct key {
5104         RB_ENTRY(key)           entry;
5105         unsigned int            mod;
5106         KeySym                  keysym;
5107         enum keyfuncid          funcid;
5108         char                    *spawn_name;
5109 };
5110 RB_HEAD(key_tree, key);
5111
5112 int
5113 key_cmp(struct key *kp1, struct key *kp2)
5114 {
5115         if (kp1->keysym < kp2->keysym)
5116                 return (-1);
5117         if (kp1->keysym > kp2->keysym)
5118                 return (1);
5119
5120         if (kp1->mod < kp2->mod)
5121                 return (-1);
5122         if (kp1->mod > kp2->mod)
5123                 return (1);
5124
5125         return (0);
5126 }
5127
5128 RB_GENERATE(key_tree, key, entry, key_cmp);
5129 struct key_tree                 keys;
5130
5131 /* mouse */
5132 enum { client_click, root_click };
5133 struct button {
5134         unsigned int            action;
5135         unsigned int            mask;
5136         unsigned int            button;
5137         void                    (*func)(struct ws_win *, union arg *);
5138         union arg               args;
5139 } buttons[] = {
5140 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
5141           /* action     key             mouse button    func    args */
5142         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
5143         { client_click, MODKEY_SHIFT,   Button3,        resize, {.id = SWM_ARG_ID_CENTER} },
5144         { client_click, MODKEY,         Button1,        move,   {0} },
5145 #undef MODKEY_SHIFT
5146 };
5147
5148 void
5149 update_modkey(unsigned int mod)
5150 {
5151         int                     i;
5152         struct key              *kp;
5153
5154         mod_key = mod;
5155         RB_FOREACH(kp, key_tree, &keys)
5156                 if (kp->mod & XCB_MOD_MASK_SHIFT)
5157                         kp->mod = mod | XCB_MOD_MASK_SHIFT;
5158                 else
5159                         kp->mod = mod;
5160
5161         for (i = 0; i < LENGTH(buttons); i++)
5162                 if (buttons[i].mask & XCB_MOD_MASK_SHIFT)
5163                         buttons[i].mask = mod | XCB_MOD_MASK_SHIFT;
5164                 else
5165                         buttons[i].mask = mod;
5166 }
5167
5168 /* spawn */
5169 struct spawn_prog {
5170         TAILQ_ENTRY(spawn_prog) entry;
5171         char                    *name;
5172         int                     argc;
5173         char                    **argv;
5174 };
5175 TAILQ_HEAD(spawn_list, spawn_prog);
5176 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
5177
5178 int
5179 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
5180     char ***ret_args)
5181 {
5182         struct spawn_prog       *prog = NULL;
5183         int                     i;
5184         char                    *ap, **real_args;
5185
5186         /* suppress unused warning since var is needed */
5187         (void)args;
5188
5189         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
5190
5191         /* find program */
5192         TAILQ_FOREACH(prog, &spawns, entry) {
5193                 if (!strcasecmp(spawn_name, prog->name))
5194                         break;
5195         }
5196         if (prog == NULL) {
5197                 warnx("spawn_custom: program %s not found", spawn_name);
5198                 return (-1);
5199         }
5200
5201         /* make room for expanded args */
5202         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
5203                 err(1, "spawn_custom: calloc real_args");
5204
5205         /* expand spawn_args into real_args */
5206         for (i = 0; i < prog->argc; i++) {
5207                 ap = prog->argv[i];
5208                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
5209                 if (!strcasecmp(ap, "$bar_border")) {
5210                         if ((real_args[i] =
5211                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
5212                             == NULL)
5213                                 err(1,  "spawn_custom border color");
5214                 } else if (!strcasecmp(ap, "$bar_color")) {
5215                         if ((real_args[i] =
5216                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
5217                             == NULL)
5218                                 err(1, "spawn_custom bar color");
5219                 } else if (!strcasecmp(ap, "$bar_font")) {
5220                         if ((real_args[i] = strdup(bar_fonts))
5221                             == NULL)
5222                                 err(1, "spawn_custom bar fonts");
5223                 } else if (!strcasecmp(ap, "$bar_font_color")) {
5224                         if ((real_args[i] =
5225                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
5226                             == NULL)
5227                                 err(1, "spawn_custom color font");
5228                 } else if (!strcasecmp(ap, "$color_focus")) {
5229                         if ((real_args[i] =
5230                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
5231                             == NULL)
5232                                 err(1, "spawn_custom color focus");
5233                 } else if (!strcasecmp(ap, "$color_unfocus")) {
5234                         if ((real_args[i] =
5235                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
5236                             == NULL)
5237                                 err(1, "spawn_custom color unfocus");
5238                 } else {
5239                         /* no match --> copy as is */
5240                         if ((real_args[i] = strdup(ap)) == NULL)
5241                                 err(1, "spawn_custom strdup(ap)");
5242                 }
5243                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
5244                     real_args[i]);
5245         }
5246
5247 #ifdef SWM_DEBUG
5248         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
5249         for (i = 0; i < prog->argc; i++)
5250                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
5251         DNPRINTF(SWM_D_SPAWN, "\n");
5252 #endif
5253         *ret_args = real_args;
5254         return (prog->argc);
5255 }
5256
5257 void
5258 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
5259 {
5260         union arg               a;
5261         char                    **real_args;
5262         int                     spawn_argc, i;
5263
5264         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5265                 return;
5266         a.argv = real_args;
5267         if (fork() == 0)
5268                 spawn(r->ws->idx, &a, 1);
5269
5270         for (i = 0; i < spawn_argc; i++)
5271                 free(real_args[i]);
5272         free(real_args);
5273 }
5274
5275 void
5276 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
5277 {
5278         union arg               a;
5279         char                    **real_args;
5280         int                     i, spawn_argc;
5281
5282         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5283                 return;
5284         a.argv = real_args;
5285
5286         if (pipe(select_list_pipe) == -1)
5287                 err(1, "pipe error");
5288         if (pipe(select_resp_pipe) == -1)
5289                 err(1, "pipe error");
5290
5291         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
5292                 err(1, "could not disable SIGPIPE");
5293         switch (*pid = fork()) {
5294         case -1:
5295                 err(1, "cannot fork");
5296                 break;
5297         case 0: /* child */
5298                 if (dup2(select_list_pipe[0], 0) == -1)
5299                         err(1, "dup2");
5300                 if (dup2(select_resp_pipe[1], 1) == -1)
5301                         err(1, "dup2");
5302                 close(select_list_pipe[1]);
5303                 close(select_resp_pipe[0]);
5304                 spawn(r->ws->idx, &a, 0);
5305                 break;
5306         default: /* parent */
5307                 close(select_list_pipe[0]);
5308                 close(select_resp_pipe[1]);
5309                 break;
5310         }
5311
5312         for (i = 0; i < spawn_argc; i++)
5313                 free(real_args[i]);
5314         free(real_args);
5315 }
5316
5317 void
5318 spawn_insert(char *name, char *args)
5319 {
5320         char                    *arg, *cp, *ptr;
5321         struct spawn_prog       *sp;
5322
5323         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5324
5325         if ((sp = calloc(1, sizeof *sp)) == NULL)
5326                 err(1, "spawn_insert: calloc");
5327         if ((sp->name = strdup(name)) == NULL)
5328                 err(1, "spawn_insert: strdup");
5329
5330         /* convert the arguments to an argument list */
5331         if ((ptr = cp = strdup(args)) == NULL)
5332                 err(1, "spawn_insert: strdup");
5333         while ((arg = strsep(&ptr, " \t")) != NULL) {
5334                 /* empty field; skip it */
5335                 if (*arg == '\0')
5336                         continue;
5337
5338                 sp->argc++;
5339                 if ((sp->argv = realloc(sp->argv, sp->argc *
5340                     sizeof *sp->argv)) == NULL)
5341                         err(1, "spawn_insert: realloc");
5342                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5343                         err(1, "spawn_insert: strdup");
5344         }
5345         free(cp);
5346
5347         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5348         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5349 }
5350
5351 void
5352 spawn_remove(struct spawn_prog *sp)
5353 {
5354         int                     i;
5355
5356         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5357
5358         TAILQ_REMOVE(&spawns, sp, entry);
5359         for (i = 0; i < sp->argc; i++)
5360                 free(sp->argv[i]);
5361         free(sp->argv);
5362         free(sp->name);
5363         free(sp);
5364
5365         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5366 }
5367
5368 void
5369 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5370 {
5371         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5372
5373         spawn_remove(sp);
5374         spawn_insert(name, args);
5375
5376         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5377 }
5378
5379 void
5380 setspawn(char *name, char *args)
5381 {
5382         struct spawn_prog       *sp;
5383
5384         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5385
5386         if (name == NULL)
5387                 return;
5388
5389         TAILQ_FOREACH(sp, &spawns, entry) {
5390                 if (!strcmp(sp->name, name)) {
5391                         if (*args == '\0')
5392                                 spawn_remove(sp);
5393                         else
5394                                 spawn_replace(sp, name, args);
5395                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5396                         return;
5397                 }
5398         }
5399         if (*args == '\0') {
5400                 warnx("error: setspawn: cannot find program: %s", name);
5401                 return;
5402         }
5403
5404         spawn_insert(name, args);
5405         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5406 }
5407
5408 int
5409 setconfspawn(char *selector, char *value, int flags)
5410 {
5411         char *args;
5412
5413         /* suppress unused warning since var is needed */
5414         (void)flags;
5415
5416         args = expand_tilde(value);
5417
5418         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, args);
5419
5420         setspawn(selector, args);
5421         free(args);
5422
5423         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5424         return (0);
5425 }
5426
5427 void
5428 setup_spawn(void)
5429 {
5430         setconfspawn("term",            "xterm",                0);
5431         setconfspawn("spawn_term",      "xterm",                0);
5432         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5433         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5434         setconfspawn("lock",            "xlock",                0);
5435         setconfspawn("initscr",         "initscreen.sh",        0);
5436         setconfspawn("menu",            "dmenu_run"
5437                                         " -fn $bar_font"
5438                                         " -nb $bar_color"
5439                                         " -nf $bar_font_color"
5440                                         " -sb $bar_border"
5441                                         " -sf $bar_color",      0);
5442         setconfspawn("search",          "dmenu"
5443                                         " -i"
5444                                         " -fn $bar_font"
5445                                         " -nb $bar_color"
5446                                         " -nf $bar_font_color"
5447                                         " -sb $bar_border"
5448                                         " -sf $bar_color",      0);
5449         setconfspawn("name_workspace",  "dmenu"
5450                                         " -p Workspace"
5451                                         " -fn $bar_font"
5452                                         " -nb $bar_color"
5453                                         " -nf $bar_font_color"
5454                                         " -sb $bar_border"
5455                                         " -sf $bar_color",      0);
5456 }
5457
5458 /* key bindings */
5459 #define SWM_MODNAME_SIZE        32
5460 #define SWM_KEY_WS              "\n+ \t"
5461 int
5462 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5463 {
5464         char                    *cp, *name;
5465         KeySym                  uks;
5466         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5467         if (mod == NULL || ks == NULL) {
5468                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5469                 return (1);
5470         }
5471         if (keystr == NULL || strlen(keystr) == 0) {
5472                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5473                 return (1);
5474         }
5475         cp = keystr;
5476         *ks = XCB_NO_SYMBOL;
5477         *mod = 0;
5478         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5479                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5480                 if (cp)
5481                         cp += (long)strspn(cp, SWM_KEY_WS);
5482                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5483                         *mod |= currmod;
5484                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5485                         *mod |= XCB_MOD_MASK_1;
5486                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5487                         *mod += XCB_MOD_MASK_2;
5488                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5489                         *mod |= XCB_MOD_MASK_3;
5490                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5491                         *mod |= XCB_MOD_MASK_4;
5492                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5493                         *mod |= XCB_MOD_MASK_SHIFT;
5494                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5495                         *mod |= XCB_MOD_MASK_CONTROL;
5496                 else {
5497                         *ks = XStringToKeysym(name);
5498                         XConvertCase(*ks, ks, &uks);
5499                         if (ks == XCB_NO_SYMBOL) {
5500                                 DNPRINTF(SWM_D_KEY,
5501                                     "parsekeys: invalid key %s\n",
5502                                     name);
5503                                 return (1);
5504                         }
5505                 }
5506         }
5507         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5508         return (0);
5509 }
5510
5511 char *
5512 strdupsafe(char *str)
5513 {
5514         if (str == NULL)
5515                 return (NULL);
5516         else
5517                 return (strdup(str));
5518 }
5519
5520 void
5521 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5522 {
5523         struct key              *kp;
5524
5525         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5526             keyfuncs[kfid].name, spawn_name);
5527
5528         if ((kp = malloc(sizeof *kp)) == NULL)
5529                 err(1, "key_insert: malloc");
5530
5531         kp->mod = mod;
5532         kp->keysym = ks;
5533         kp->funcid = kfid;
5534         kp->spawn_name = strdupsafe(spawn_name);
5535         RB_INSERT(key_tree, &keys, kp);
5536
5537         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5538 }
5539
5540 struct key *
5541 key_lookup(unsigned int mod, KeySym ks)
5542 {
5543         struct key              kp;
5544
5545         kp.keysym = ks;
5546         kp.mod = mod;
5547
5548         return (RB_FIND(key_tree, &keys, &kp));
5549 }
5550
5551 void
5552 key_remove(struct key *kp)
5553 {
5554         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5555
5556         RB_REMOVE(key_tree, &keys, kp);
5557         free(kp->spawn_name);
5558         free(kp);
5559
5560         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5561 }
5562
5563 void
5564 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5565     char *spawn_name)
5566 {
5567         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5568             spawn_name);
5569
5570         key_remove(kp);
5571         key_insert(mod, ks, kfid, spawn_name);
5572
5573         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5574 }
5575
5576 void
5577 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5578     char *spawn_name)
5579 {
5580         struct key              *kp;
5581
5582         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5583             keyfuncs[kfid].name, spawn_name);
5584
5585         if ((kp = key_lookup(mod, ks)) != NULL) {
5586                 if (kfid == KF_INVALID)
5587                         key_remove(kp);
5588                 else
5589                         key_replace(kp, mod, ks, kfid, spawn_name);
5590                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5591                 return;
5592         }
5593         if (kfid == KF_INVALID) {
5594                 warnx("error: setkeybinding: cannot find mod/key combination");
5595                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5596                 return;
5597         }
5598
5599         key_insert(mod, ks, kfid, spawn_name);
5600         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5601 }
5602
5603 int
5604 setconfbinding(char *selector, char *value, int flags)
5605 {
5606         enum keyfuncid          kfid;
5607         unsigned int            mod;
5608         KeySym                  ks;
5609         struct spawn_prog       *sp;
5610
5611         /* suppress unused warning since var is needed */
5612         (void)flags;
5613
5614         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5615         if (selector == NULL) {
5616                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5617                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5618                         kfid = KF_INVALID;
5619                         setkeybinding(mod, ks, kfid, NULL);
5620                         return (0);
5621                 } else
5622                         return (1);
5623         }
5624         /* search by key function name */
5625         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
5626                 if (strncasecmp(selector, keyfuncs[kfid].name,
5627                     SWM_FUNCNAME_LEN) == 0) {
5628                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5629                             selector);
5630                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5631                                 setkeybinding(mod, ks, kfid, NULL);
5632                                 return (0);
5633                         } else
5634                                 return (1);
5635                 }
5636         }
5637         /* search by custom spawn name */
5638         TAILQ_FOREACH(sp, &spawns, entry) {
5639                 if (strcasecmp(selector, sp->name) == 0) {
5640                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5641                             selector);
5642                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5643                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
5644                                     sp->name);
5645                                 return (0);
5646                         } else
5647                                 return (1);
5648                 }
5649         }
5650         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5651         return (1);
5652 }
5653
5654 void
5655 setup_keys(void)
5656 {
5657 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
5658         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
5659         setkeybinding(MODKEY_SHIFT,     XK_backslash,   KF_FLIP_LAYOUT, NULL);
5660         setkeybinding(MODKEY_SHIFT,     XK_space,       KF_STACK_RESET, NULL);
5661         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
5662         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
5663         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
5664         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
5665         setkeybinding(MODKEY_SHIFT,     XK_comma,       KF_STACK_INC,   NULL);
5666         setkeybinding(MODKEY_SHIFT,     XK_period,      KF_STACK_DEC,   NULL);
5667         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
5668         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
5669         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
5670         setkeybinding(MODKEY_SHIFT,     XK_j,           KF_SWAP_NEXT,   NULL);
5671         setkeybinding(MODKEY_SHIFT,     XK_k,           KF_SWAP_PREV,   NULL);
5672         setkeybinding(MODKEY_SHIFT,     XK_Return,      KF_SPAWN_CUSTOM,"term");
5673         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
5674         setkeybinding(MODKEY_SHIFT,     XK_q,           KF_QUIT,        NULL);
5675         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
5676         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
5677         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
5678         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
5679         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
5680         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
5681         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
5682         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
5683         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
5684         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
5685         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
5686         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
5687         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
5688         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
5689         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
5690         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
5691         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
5692         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
5693         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
5694         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
5695         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
5696         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
5697         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
5698         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
5699         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
5700         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
5701         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
5702         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
5703         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
5704         setkeybinding(MODKEY_SHIFT,     XK_Right,       KF_SCREEN_NEXT, NULL);
5705         setkeybinding(MODKEY_SHIFT,     XK_Left,        KF_SCREEN_PREV, NULL);
5706         setkeybinding(MODKEY_SHIFT,     XK_1,           KF_MVWS_1,      NULL);
5707         setkeybinding(MODKEY_SHIFT,     XK_2,           KF_MVWS_2,      NULL);
5708         setkeybinding(MODKEY_SHIFT,     XK_3,           KF_MVWS_3,      NULL);
5709         setkeybinding(MODKEY_SHIFT,     XK_4,           KF_MVWS_4,      NULL);
5710         setkeybinding(MODKEY_SHIFT,     XK_5,           KF_MVWS_5,      NULL);
5711         setkeybinding(MODKEY_SHIFT,     XK_6,           KF_MVWS_6,      NULL);
5712         setkeybinding(MODKEY_SHIFT,     XK_7,           KF_MVWS_7,      NULL);
5713         setkeybinding(MODKEY_SHIFT,     XK_8,           KF_MVWS_8,      NULL);
5714         setkeybinding(MODKEY_SHIFT,     XK_9,           KF_MVWS_9,      NULL);
5715         setkeybinding(MODKEY_SHIFT,     XK_0,           KF_MVWS_10,     NULL);
5716         setkeybinding(MODKEY_SHIFT,     XK_F1,          KF_MVWS_11,     NULL);
5717         setkeybinding(MODKEY_SHIFT,     XK_F2,          KF_MVWS_12,     NULL);
5718         setkeybinding(MODKEY_SHIFT,     XK_F3,          KF_MVWS_13,     NULL);
5719         setkeybinding(MODKEY_SHIFT,     XK_F4,          KF_MVWS_14,     NULL);
5720         setkeybinding(MODKEY_SHIFT,     XK_F5,          KF_MVWS_15,     NULL);
5721         setkeybinding(MODKEY_SHIFT,     XK_F6,          KF_MVWS_16,     NULL);
5722         setkeybinding(MODKEY_SHIFT,     XK_F7,          KF_MVWS_17,     NULL);
5723         setkeybinding(MODKEY_SHIFT,     XK_F8,          KF_MVWS_18,     NULL);
5724         setkeybinding(MODKEY_SHIFT,     XK_F9,          KF_MVWS_19,     NULL);
5725         setkeybinding(MODKEY_SHIFT,     XK_F10,         KF_MVWS_20,     NULL);
5726         setkeybinding(MODKEY_SHIFT,     XK_F11,         KF_MVWS_21,     NULL);
5727         setkeybinding(MODKEY_SHIFT,     XK_F12,         KF_MVWS_22,     NULL);
5728         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
5729         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
5730         setkeybinding(MODKEY_SHIFT,     XK_Tab,         KF_FOCUS_PREV,  NULL);
5731         setkeybinding(MODKEY_SHIFT,     XK_x,           KF_WIND_KILL,   NULL);
5732         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
5733         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
5734         setkeybinding(MODKEY_SHIFT,     XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
5735         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
5736         setkeybinding(MODKEY_SHIFT,     XK_v,           KF_VERSION,     NULL);
5737         setkeybinding(MODKEY_SHIFT,     XK_Delete,      KF_SPAWN_CUSTOM,"lock");
5738         setkeybinding(MODKEY_SHIFT,     XK_i,           KF_SPAWN_CUSTOM,"initscr");
5739         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
5740         setkeybinding(MODKEY_SHIFT,     XK_w,           KF_UNICONIFY,   NULL);
5741         setkeybinding(MODKEY_SHIFT,     XK_r,           KF_RAISE_TOGGLE,NULL);
5742         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
5743         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
5744         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
5745         setkeybinding(MODKEY_SHIFT,     XK_equal,       KF_HEIGHT_GROW,NULL);
5746         setkeybinding(MODKEY_SHIFT,     XK_minus,       KF_HEIGHT_SHRINK,NULL);
5747         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
5748         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
5749         setkeybinding(MODKEY_SHIFT,     XK_bracketleft, KF_MOVE_UP,     NULL);
5750         setkeybinding(MODKEY_SHIFT,     XK_bracketright,KF_MOVE_DOWN,NULL);
5751         setkeybinding(MODKEY_SHIFT,     XK_slash,       KF_NAME_WORKSPACE,NULL);
5752         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
5753         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
5754 #ifdef SWM_DEBUG
5755         setkeybinding(MODKEY_SHIFT,     XK_d,           KF_DUMPWINS,    NULL);
5756 #endif
5757 #undef MODKEY_SHIFT
5758 }
5759
5760 void
5761 clear_keys(void)
5762 {
5763         struct key              *kp;
5764
5765         while (RB_EMPTY(&keys) == 0) {
5766                 kp = RB_ROOT(&keys);
5767                 key_remove(kp);
5768         }
5769 }
5770
5771 int
5772 setkeymapping(char *selector, char *value, int flags)
5773 {
5774         char                    keymapping_file[PATH_MAX];
5775
5776         /* suppress unused warnings since vars are needed */
5777         (void)selector;
5778         (void)flags;
5779
5780         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5781         if (value[0] == '~')
5782                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5783                     pwd->pw_dir, &value[1]);
5784         else
5785                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5786         clear_keys();
5787         /* load new key bindings; if it fails, revert to default bindings */
5788         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5789                 clear_keys();
5790                 setup_keys();
5791         }
5792         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5793         return (0);
5794 }
5795
5796 void
5797 updatenumlockmask(void)
5798 {
5799         unsigned int                            i, j;
5800         xcb_get_modifier_mapping_reply_t        *modmap_r;
5801         xcb_keycode_t                           *modmap, kc, *keycode;
5802
5803         numlockmask = 0;
5804
5805         modmap_r = xcb_get_modifier_mapping_reply(conn,
5806             xcb_get_modifier_mapping(conn),
5807             NULL);
5808         if (modmap_r) {
5809                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
5810                 for (i = 0; i < 8; i++) {
5811                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
5812                                 kc = modmap[i * modmap_r->keycodes_per_modifier
5813                                     + j];
5814                                 keycode = xcb_key_symbols_get_keycode(syms,
5815                                                 XK_Num_Lock);
5816                                 if (kc == *keycode)
5817                                         numlockmask = (1 << i);
5818                                 free(keycode);
5819                         }
5820                 }
5821                 free(modmap_r);
5822         }
5823         DNPRINTF(SWM_D_MISC, "updatenumlockmask: %d\n", numlockmask);
5824 }
5825
5826 void
5827 grabkeys(void)
5828 {
5829         struct key              *kp;
5830         int                     num_screens, k, j;
5831         unsigned int            modifiers[3];
5832         xcb_keycode_t           *code;
5833
5834         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5835         updatenumlockmask();
5836
5837         modifiers[0] = 0;
5838         modifiers[1] = numlockmask;
5839         modifiers[2] = numlockmask | XCB_MOD_MASK_LOCK;
5840
5841         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5842         for (k = 0; k < num_screens; k++) {
5843                 if (TAILQ_EMPTY(&screens[k].rl))
5844                         continue;
5845                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5846                         XCB_MOD_MASK_ANY);
5847                 RB_FOREACH(kp, key_tree, &keys) {
5848                         if ((code = xcb_key_symbols_get_keycode(syms,
5849                                         kp->keysym)))
5850                                 for (j = 0; j < LENGTH(modifiers); j++)
5851                                         xcb_grab_key(conn, 1,
5852                                             screens[k].root,
5853                                             kp->mod | modifiers[j],
5854                                             *code, XCB_GRAB_MODE_ASYNC,
5855                                             XCB_GRAB_MODE_ASYNC);
5856                                 free(code);
5857                 }
5858         }
5859 }
5860
5861 void
5862 grabbuttons(struct ws_win *win, int focused)
5863 {
5864         int             i;
5865
5866         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5867             XCB_BUTTON_MASK_ANY);
5868         if (focused) {
5869                 for (i = 0; i < LENGTH(buttons); i++)
5870                         if (buttons[i].action == client_click)
5871                                 xcb_grab_button(conn, 0, win->id,
5872                                     BUTTONMASK,
5873                                     XCB_GRAB_MODE_ASYNC,
5874                                     XCB_GRAB_MODE_SYNC,
5875                                     XCB_WINDOW_NONE,
5876                                     XCB_CURSOR_NONE,
5877                                     buttons[i].button,
5878                                     buttons[i].mask);
5879         } else
5880                 xcb_grab_button(conn, 0, win->id, BUTTONMASK,
5881                     XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC, XCB_WINDOW_NONE,
5882                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY, XCB_BUTTON_MASK_ANY);
5883 }
5884
5885 const char *quirkname[] = {
5886         "NONE",         /* config string for "no value" */
5887         "FLOAT",
5888         "TRANSSZ",
5889         "ANYWHERE",
5890         "XTERM_FONTADJ",
5891         "FULLSCREEN",
5892         "FOCUSPREV",
5893 };
5894
5895 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5896 #define SWM_Q_WS                "\n|+ \t"
5897 int
5898 parsequirks(char *qstr, unsigned long *quirk)
5899 {
5900         char                    *cp, *name;
5901         int                     i;
5902
5903         if (quirk == NULL)
5904                 return (1);
5905
5906         cp = qstr;
5907         *quirk = 0;
5908         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5909                 if (cp)
5910                         cp += (long)strspn(cp, SWM_Q_WS);
5911                 for (i = 0; i < LENGTH(quirkname); i++) {
5912                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5913                                 DNPRINTF(SWM_D_QUIRK,
5914                                     "parsequirks: %s\n", name);
5915                                 if (i == 0) {
5916                                         *quirk = 0;
5917                                         return (0);
5918                                 }
5919                                 *quirk |= 1 << (i-1);
5920                                 break;
5921                         }
5922                 }
5923                 if (i >= LENGTH(quirkname)) {
5924                         DNPRINTF(SWM_D_QUIRK,
5925                             "parsequirks: invalid quirk [%s]\n", name);
5926                         return (1);
5927                 }
5928         }
5929         return (0);
5930 }
5931
5932 void
5933 quirk_insert(const char *class, const char *name, unsigned long quirk)
5934 {
5935         struct quirk            *qp;
5936
5937         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5938             quirk);
5939
5940         if ((qp = malloc(sizeof *qp)) == NULL)
5941                 err(1, "quirk_insert: malloc");
5942         if ((qp->class = strdup(class)) == NULL)
5943                 err(1, "quirk_insert: strdup");
5944         if ((qp->name = strdup(name)) == NULL)
5945                 err(1, "quirk_insert: strdup");
5946
5947         qp->quirk = quirk;
5948         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5949
5950         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5951 }
5952
5953 void
5954 quirk_remove(struct quirk *qp)
5955 {
5956         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5957             qp->name, qp->quirk);
5958
5959         TAILQ_REMOVE(&quirks, qp, entry);
5960         free(qp->class);
5961         free(qp->name);
5962         free(qp);
5963
5964         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5965 }
5966
5967 void
5968 quirk_replace(struct quirk *qp, const char *class, const char *name,
5969     unsigned long quirk)
5970 {
5971         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5972             qp->name, qp->quirk);
5973
5974         quirk_remove(qp);
5975         quirk_insert(class, name, quirk);
5976
5977         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5978 }
5979
5980 void
5981 setquirk(const char *class, const char *name, unsigned long quirk)
5982 {
5983         struct quirk            *qp;
5984
5985         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5986            quirk);
5987
5988         TAILQ_FOREACH(qp, &quirks, entry) {
5989                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5990                         if (!quirk)
5991                                 quirk_remove(qp);
5992                         else
5993                                 quirk_replace(qp, class, name, quirk);
5994                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5995                         return;
5996                 }
5997         }
5998         if (!quirk) {
5999                 warnx("error: setquirk: cannot find class/name combination");
6000                 return;
6001         }
6002
6003         quirk_insert(class, name, quirk);
6004         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6005 }
6006
6007 int
6008 setconfquirk(char *selector, char *value, int flags)
6009 {
6010         char                    *cp, *class, *name;
6011         int                     retval;
6012         unsigned long           qrks;
6013
6014         /* suppress unused warning since var is needed */
6015         (void)flags;
6016
6017         if (selector == NULL)
6018                 return (0);
6019         if ((cp = strchr(selector, ':')) == NULL)
6020                 return (0);
6021         *cp = '\0';
6022         class = selector;
6023         name = cp + 1;
6024         if ((retval = parsequirks(value, &qrks)) == 0)
6025                 setquirk(class, name, qrks);
6026         return (retval);
6027 }
6028
6029 void
6030 setup_quirks(void)
6031 {
6032         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
6033         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
6034         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
6035         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
6036         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6037         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
6038         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6039         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6040         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6041         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6042         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
6043         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
6044         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
6045 }
6046
6047 /* conf file stuff */
6048 #define SWM_CONF_FILE           "spectrwm.conf"
6049 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
6050
6051 enum {
6052         SWM_S_BAR_ACTION,
6053         SWM_S_BAR_AT_BOTTOM,
6054         SWM_S_BAR_BORDER_WIDTH,
6055         SWM_S_BAR_DELAY,
6056         SWM_S_BAR_ENABLED,
6057         SWM_S_BAR_FONT,
6058         SWM_S_BAR_FORMAT,
6059         SWM_S_BAR_JUSTIFY,
6060         SWM_S_BORDER_WIDTH,
6061         SWM_S_CLOCK_ENABLED,
6062         SWM_S_CLOCK_FORMAT,
6063         SWM_S_CYCLE_EMPTY,
6064         SWM_S_CYCLE_VISIBLE,
6065         SWM_S_DIALOG_RATIO,
6066         SWM_S_DISABLE_BORDER,
6067         SWM_S_FOCUS_CLOSE,
6068         SWM_S_FOCUS_CLOSE_WRAP,
6069         SWM_S_FOCUS_DEFAULT,
6070         SWM_S_FOCUS_MODE,
6071         SWM_S_SPAWN_ORDER,
6072         SWM_S_SPAWN_TERM,
6073         SWM_S_SS_APP,
6074         SWM_S_SS_ENABLED,
6075         SWM_S_STACK_ENABLED,
6076         SWM_S_TERM_WIDTH,
6077         SWM_S_TITLE_CLASS_ENABLED,
6078         SWM_S_TITLE_NAME_ENABLED,
6079         SWM_S_URGENT_ENABLED,
6080         SWM_S_VERBOSE_LAYOUT,
6081         SWM_S_WINDOW_NAME_ENABLED,
6082         SWM_S_WORKSPACE_LIMIT
6083 };
6084
6085 int
6086 setconfvalue(char *selector, char *value, int flags)
6087 {
6088         int     i;
6089         char    *b;
6090
6091         /* suppress unused warning since var is needed */
6092         (void)selector;
6093
6094         switch (flags) {
6095         case SWM_S_BAR_ACTION:
6096                 free(bar_argv[0]);
6097                 if ((bar_argv[0] = expand_tilde(value)) == NULL)
6098                         err(1, "setconfvalue: bar_action");
6099                 break;
6100         case SWM_S_BAR_AT_BOTTOM:
6101                 bar_at_bottom = atoi(value);
6102                 break;
6103         case SWM_S_BAR_BORDER_WIDTH:
6104                 bar_border_width = atoi(value);
6105                 if (bar_border_width < 0)
6106                         bar_border_width = 0;
6107                 break;
6108         case SWM_S_BAR_DELAY:
6109                 bar_delay = atoi(value);
6110                 break;
6111         case SWM_S_BAR_ENABLED:
6112                 bar_enabled = atoi(value);
6113                 break;
6114         case SWM_S_BAR_FONT:
6115                 b = bar_fonts;
6116                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
6117                         err(1, "setconfvalue: asprintf: failed to allocate "
6118                                 "memory for bar_fonts.");
6119                 free(b);
6120
6121                 /* If already in xft mode, then we are done. */
6122                 if (!bar_font_legacy)
6123                         break;
6124
6125                 /* If there are any non-XLFD entries, switch to Xft mode. */
6126                 while ((b = strsep(&value, ",")) != NULL) {
6127                         if (*b == '\0')
6128                                 continue;
6129                         if (!isxlfd(b)) {
6130                                 bar_font_legacy = 0;
6131                                 break;
6132                         }
6133                 }
6134                 break;
6135         case SWM_S_BAR_FORMAT:
6136                 free(bar_format);
6137                 if ((bar_format = strdup(value)) == NULL)
6138                         err(1, "setconfvalue: bar_format");
6139                 break;
6140         case SWM_S_BAR_JUSTIFY:
6141                 if (!strcmp(value, "left"))
6142                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
6143                 else if (!strcmp(value, "center"))
6144                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
6145                 else if (!strcmp(value, "right"))
6146                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
6147                 else
6148                         errx(1, "invalid bar_justify");
6149                 break;
6150         case SWM_S_BORDER_WIDTH:
6151                 border_width = atoi(value);
6152                 if (border_width < 0)
6153                         border_width = 0;
6154                 break;
6155         case SWM_S_CLOCK_ENABLED:
6156                 clock_enabled = atoi(value);
6157                 break;
6158         case SWM_S_CLOCK_FORMAT:
6159 #ifndef SWM_DENY_CLOCK_FORMAT
6160                 free(clock_format);
6161                 if ((clock_format = strdup(value)) == NULL)
6162                         err(1, "setconfvalue: clock_format");
6163 #endif
6164                 break;
6165         case SWM_S_CYCLE_EMPTY:
6166                 cycle_empty = atoi(value);
6167                 break;
6168         case SWM_S_CYCLE_VISIBLE:
6169                 cycle_visible = atoi(value);
6170                 break;
6171         case SWM_S_DIALOG_RATIO:
6172                 dialog_ratio = atof(value);
6173                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
6174                         dialog_ratio = .6;
6175                 break;
6176         case SWM_S_DISABLE_BORDER:
6177                 disable_border = atoi(value);
6178                 break;
6179         case SWM_S_FOCUS_CLOSE:
6180                 if (!strcmp(value, "first"))
6181                         focus_close = SWM_STACK_BOTTOM;
6182                 else if (!strcmp(value, "last"))
6183                         focus_close = SWM_STACK_TOP;
6184                 else if (!strcmp(value, "next"))
6185                         focus_close = SWM_STACK_ABOVE;
6186                 else if (!strcmp(value, "previous"))
6187                         focus_close = SWM_STACK_BELOW;
6188                 else
6189                         errx(1, "focus_close");
6190                 break;
6191         case SWM_S_FOCUS_CLOSE_WRAP:
6192                 focus_close_wrap = atoi(value);
6193                 break;
6194         case SWM_S_FOCUS_DEFAULT:
6195                 if (!strcmp(value, "last"))
6196                         focus_default = SWM_STACK_TOP;
6197                 else if (!strcmp(value, "first"))
6198                         focus_default = SWM_STACK_BOTTOM;
6199                 else
6200                         errx(1, "focus_default");
6201                 break;
6202         case SWM_S_FOCUS_MODE:
6203                 if (!strcmp(value, "default"))
6204                         focus_mode = SWM_FOCUS_DEFAULT;
6205                 else if (!strcmp(value, "follow_cursor"))
6206                         focus_mode = SWM_FOCUS_FOLLOW;
6207                 else if (!strcmp(value, "synergy"))
6208                         focus_mode = SWM_FOCUS_SYNERGY;
6209                 else
6210                         errx(1, "focus_mode");
6211                 break;
6212         case SWM_S_SPAWN_ORDER:
6213                 if (!strcmp(value, "first"))
6214                         spawn_position = SWM_STACK_BOTTOM;
6215                 else if (!strcmp(value, "last"))
6216                         spawn_position = SWM_STACK_TOP;
6217                 else if (!strcmp(value, "next"))
6218                         spawn_position = SWM_STACK_ABOVE;
6219                 else if (!strcmp(value, "previous"))
6220                         spawn_position = SWM_STACK_BELOW;
6221                 else
6222                         errx(1, "spawn_position");
6223                 break;
6224         case SWM_S_SPAWN_TERM:
6225                 setconfspawn("term", value, 0);
6226                 setconfspawn("spawn_term", value, 0);
6227                 break;
6228         case SWM_S_SS_APP:
6229                 break;
6230         case SWM_S_SS_ENABLED:
6231                 ss_enabled = atoi(value);
6232                 break;
6233         case SWM_S_STACK_ENABLED:
6234                 stack_enabled = atoi(value);
6235                 break;
6236         case SWM_S_TERM_WIDTH:
6237                 term_width = atoi(value);
6238                 if (term_width < 0)
6239                         term_width = 0;
6240                 break;
6241         case SWM_S_TITLE_CLASS_ENABLED:
6242                 title_class_enabled = atoi(value);
6243                 break;
6244         case SWM_S_TITLE_NAME_ENABLED:
6245                 title_name_enabled = atoi(value);
6246                 break;
6247         case SWM_S_URGENT_ENABLED:
6248                 urgent_enabled = atoi(value);
6249                 break;
6250         case SWM_S_VERBOSE_LAYOUT:
6251                 verbose_layout = atoi(value);
6252                 for (i = 0; layouts[i].l_stack != NULL; i++) {
6253                         if (verbose_layout)
6254                                 layouts[i].l_string = fancy_stacker;
6255                         else
6256                                 layouts[i].l_string = plain_stacker;
6257                 }
6258                 break;
6259         case SWM_S_WINDOW_NAME_ENABLED:
6260                 window_name_enabled = atoi(value);
6261                 break;
6262         case SWM_S_WORKSPACE_LIMIT:
6263                 workspace_limit = atoi(value);
6264                 if (workspace_limit > SWM_WS_MAX)
6265                         workspace_limit = SWM_WS_MAX;
6266                 else if (workspace_limit < 1)
6267                         workspace_limit = 1;
6268                 break;
6269         default:
6270                 return (1);
6271         }
6272         return (0);
6273 }
6274
6275 int
6276 setconfmodkey(char *selector, char *value, int flags)
6277 {
6278         /* suppress unused warnings since vars are needed */
6279         (void)selector;
6280         (void)flags;
6281
6282         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
6283                 update_modkey(XCB_MOD_MASK_1);
6284         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
6285                 update_modkey(XCB_MOD_MASK_2);
6286         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
6287                 update_modkey(XCB_MOD_MASK_3);
6288         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
6289                 update_modkey(XCB_MOD_MASK_4);
6290         else
6291                 return (1);
6292         return (0);
6293 }
6294
6295 int
6296 setconfcolor(char *selector, char *value, int flags)
6297 {
6298         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
6299         return (0);
6300 }
6301
6302 int
6303 setconfregion(char *selector, char *value, int flags)
6304 {
6305         /* suppress unused warnings since vars are needed */
6306         (void)selector;
6307         (void)flags;
6308
6309         custom_region(value);
6310         return (0);
6311 }
6312
6313 int
6314 setautorun(char *selector, char *value, int flags)
6315 {
6316         int                     ws_id;
6317         char                    s[1024];
6318         char                    *ap, *sp = s;
6319         union arg               a;
6320         int                     argc = 0;
6321         pid_t                   pid;
6322         struct pid_e            *p;
6323
6324         /* suppress unused warnings since vars are needed */
6325         (void)selector;
6326         (void)flags;
6327
6328         if (getenv("SWM_STARTED"))
6329                 return (0);
6330
6331         bzero(s, sizeof s);
6332         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
6333                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
6334         ws_id--;
6335         if (ws_id < 0 || ws_id >= workspace_limit)
6336                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
6337
6338         /*
6339          * This is a little intricate
6340          *
6341          * If the pid already exists we simply reuse it because it means it was
6342          * used before AND not claimed by manage_window.  We get away with
6343          * altering it in the parent after INSERT because this can not be a race
6344          */
6345         a.argv = NULL;
6346         while ((ap = strsep(&sp, " \t")) != NULL) {
6347                 if (*ap == '\0')
6348                         continue;
6349                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
6350                 argc++;
6351                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
6352                         err(1, "setautorun: realloc");
6353                 a.argv[argc - 1] = ap;
6354         }
6355
6356         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
6357                 err(1, "setautorun: realloc");
6358         a.argv[argc] = NULL;
6359
6360         if ((pid = fork()) == 0) {
6361                 spawn(ws_id, &a, 1);
6362                 /* NOTREACHED */
6363                 _exit(1);
6364         }
6365         free(a.argv);
6366
6367         /* parent */
6368         p = find_pid(pid);
6369         if (p == NULL) {
6370                 p = calloc(1, sizeof *p);
6371                 if (p == NULL)
6372                         return (1);
6373                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
6374         }
6375
6376         p->pid = pid;
6377         p->ws = ws_id;
6378
6379         return (0);
6380 }
6381
6382 int
6383 setlayout(char *selector, char *value, int flags)
6384 {
6385         int                     ws_id, i, x, mg, ma, si, ar, f = 0;
6386         int                     st = SWM_V_STACK, num_screens;
6387         char                    s[1024];
6388         struct workspace        *ws;
6389
6390         /* suppress unused warnings since vars are needed */
6391         (void)selector;
6392         (void)flags;
6393
6394         if (getenv("SWM_STARTED"))
6395                 return (0);
6396
6397         bzero(s, sizeof s);
6398         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6399             &ws_id, &mg, &ma, &si, &ar, s) != 6)
6400                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6401                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6402                     "<type>'");
6403         ws_id--;
6404         if (ws_id < 0 || ws_id >= workspace_limit)
6405                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6406
6407         if (!strcasecmp(s, "vertical"))
6408                 st = SWM_V_STACK;
6409         else if (!strcasecmp(s, "vertical_flip")) {
6410                 st = SWM_V_STACK;
6411                 f = 1;
6412         } else if (!strcasecmp(s, "horizontal"))
6413                 st = SWM_H_STACK;
6414         else if (!strcasecmp(s, "horizontal_flip")) {
6415                 st = SWM_H_STACK;
6416                 f = 1;
6417         } else if (!strcasecmp(s, "fullscreen"))
6418                 st = SWM_MAX_STACK;
6419         else
6420                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6421                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6422                     "<type>'");
6423
6424         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6425         for (i = 0; i < num_screens; i++) {
6426                 ws = (struct workspace *)&screens[i].ws;
6427                 ws[ws_id].cur_layout = &layouts[st];
6428
6429                 ws[ws_id].always_raise = ar;
6430                 if (st == SWM_MAX_STACK)
6431                         continue;
6432
6433                 /* master grow */
6434                 for (x = 0; x < abs(mg); x++) {
6435                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6436                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6437                             SWM_ARG_ID_MASTERSHRINK);
6438                         stack();
6439                 }
6440                 /* master add */
6441                 for (x = 0; x < abs(ma); x++) {
6442                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6443                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6444                             SWM_ARG_ID_MASTERDEL);
6445                         stack();
6446                 }
6447                 /* stack inc */
6448                 for (x = 0; x < abs(si); x++) {
6449                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6450                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6451                             SWM_ARG_ID_STACKDEC);
6452                         stack();
6453                 }
6454                 /* Apply flip */
6455                 if (f) {
6456                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6457                             SWM_ARG_ID_FLIPLAYOUT);
6458                         stack();
6459                 }
6460         }
6461
6462         if (focus_mode == SWM_FOCUS_DEFAULT)
6463                 event_drain(XCB_ENTER_NOTIFY);
6464         else
6465                 xcb_flush(conn);
6466
6467         return (0);
6468 }
6469
6470 /* config options */
6471 struct config_option {
6472         char                    *optname;
6473         int                     (*func)(char*, char*, int);
6474         int                     funcflags;
6475 };
6476 struct config_option configopt[] = {
6477         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6478         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6479         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6480         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6481         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6482         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6483         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6484         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6485         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6486         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6487         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6488         { "keyboard_mapping",           setkeymapping,  0 },
6489         { "bind",                       setconfbinding, 0 },
6490         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6491         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6492         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6493         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6494         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6495         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6496         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6497         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6498         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6499         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6500         { "modkey",                     setconfmodkey,  0 },
6501         { "program",                    setconfspawn,   0 },
6502         { "quirk",                      setconfquirk,   0 },
6503         { "region",                     setconfregion,  0 },
6504         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6505         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6506         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6507         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6508         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6509         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6510         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6511         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6512         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6513         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6514         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6515         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6516         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6517         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6518         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6519         { "autorun",                    setautorun,     0 },
6520         { "layout",                     setlayout,      0 },
6521 };
6522
6523
6524 int
6525 conf_load(char *filename, int keymapping)
6526 {
6527         FILE                    *config;
6528         char                    *line, *cp, *optsub, *optval;
6529         size_t                  linelen, lineno = 0;
6530         int                     wordlen, i, optidx;
6531         struct config_option    *opt;
6532
6533         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6534
6535         if (filename == NULL) {
6536                 warnx("conf_load: no filename");
6537                 return (1);
6538         }
6539         if ((config = fopen(filename, "r")) == NULL) {
6540                 warn("conf_load: fopen: %s", filename);
6541                 return (1);
6542         }
6543
6544         while (!feof(config)) {
6545                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6546                     == NULL) {
6547                         if (ferror(config))
6548                                 err(1, "%s", filename);
6549                         else
6550                                 continue;
6551                 }
6552                 cp = line;
6553                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6554                 if (cp[0] == '\0') {
6555                         /* empty line */
6556                         free(line);
6557                         continue;
6558                 }
6559                 /* get config option */
6560                 wordlen = strcspn(cp, "=[ \t\n");
6561                 if (wordlen == 0) {
6562                         warnx("%s: line %zd: no option found",
6563                             filename, lineno);
6564                         goto out;
6565                 }
6566                 optidx = -1;
6567                 for (i = 0; i < LENGTH(configopt); i++) {
6568                         opt = &configopt[i];
6569                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6570                             (int)strlen(opt->optname) == wordlen) {
6571                                 optidx = i;
6572                                 break;
6573                         }
6574                 }
6575                 if (optidx == -1) {
6576                         warnx("%s: line %zd: unknown option %.*s",
6577                             filename, lineno, wordlen, cp);
6578                         goto out;
6579                 }
6580                 if (keymapping && strcmp(opt->optname, "bind")) {
6581                         warnx("%s: line %zd: invalid option %.*s",
6582                             filename, lineno, wordlen, cp);
6583                         goto out;
6584                 }
6585                 cp += wordlen;
6586                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6587                 /* get [selector] if any */
6588                 optsub = NULL;
6589                 if (*cp == '[') {
6590                         cp++;
6591                         wordlen = strcspn(cp, "]");
6592                         if (*cp != ']') {
6593                                 if (wordlen == 0) {
6594                                         warnx("%s: line %zd: syntax error",
6595                                             filename, lineno);
6596                                         goto out;
6597                                 }
6598
6599                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6600                                     -1) {
6601                                         warnx("%s: line %zd: unable to allocate"
6602                                             "memory for selector", filename,
6603                                             lineno);
6604                                         goto out;
6605                                 }
6606                         }
6607                         cp += wordlen;
6608                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6609                 }
6610                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6611                 /* get RHS value */
6612                 optval = strdup(cp);
6613                 /* call function to deal with it all */
6614                 if (configopt[optidx].func(optsub, optval,
6615                     configopt[optidx].funcflags) != 0)
6616                         errx(1, "%s: line %zd: invalid data for %s",
6617                             filename, lineno, configopt[optidx].optname);
6618                 free(optval);
6619                 free(optsub);
6620                 free(line);
6621         }
6622
6623         fclose(config);
6624         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6625
6626         return (0);
6627
6628 out:
6629         free(line);
6630         fclose(config);
6631         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6632
6633         return (1);
6634 }
6635
6636 void
6637 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6638 {
6639         struct ws_win           *parent, *w;
6640         struct swm_region       *r;
6641         struct workspace        *ws;
6642         xcb_icccm_wm_hints_t    wmh;
6643
6644         parent = find_window(win->transient);
6645         if (parent)
6646                 parent->focus_child = win;
6647         else {
6648                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6649                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6650
6651                 r = root_to_region(win->wa->root);
6652                 ws = r->ws;
6653                 /* parent doen't exist in our window list */
6654                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6655                         if (xcb_icccm_get_wm_hints_reply(conn,
6656                             xcb_icccm_get_wm_hints(conn, w->id),
6657                             &wmh, NULL) != 1) {
6658                                 warnx("can't get hints for 0x%x", w->id);
6659                                 continue;
6660                         }
6661
6662                         if (win->hints.window_group != wmh.window_group)
6663                                 continue;
6664
6665                         w->focus_child = win;
6666                         win->transient = w->id;
6667                         *trans = w->id;
6668                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
6669                             "transient to 0x%x\n", win->transient);
6670                         break;
6671                 }
6672         }
6673 }
6674
6675 pid_t
6676 window_get_pid(xcb_window_t win)
6677 {
6678         pid_t                           ret = 0;
6679         const char                      *errstr;
6680         xcb_atom_t                      apid;
6681         xcb_get_property_cookie_t       pc;
6682         xcb_get_property_reply_t        *pr;
6683
6684         apid = get_atom_from_string("_NET_WM_PID");
6685         if (apid == XCB_ATOM_NONE)
6686                 goto tryharder;
6687
6688         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6689         pr = xcb_get_property_reply(conn, pc, NULL);
6690         if (!pr)
6691                 goto tryharder;
6692         if (pr->type != XCB_ATOM_CARDINAL) {
6693                 free(pr);
6694                 goto tryharder;
6695         }
6696
6697         if (pr->type == apid && pr->format == 32)
6698                 ret = *((pid_t *)xcb_get_property_value(pr));
6699         free(pr);
6700
6701         return (ret);
6702
6703 tryharder:
6704         apid = get_atom_from_string("_SWM_PID");
6705         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
6706             0, SWM_PROPLEN);
6707         pr = xcb_get_property_reply(conn, pc, NULL);
6708         if (!pr)
6709                 return (0);
6710         if (pr->type != apid) {
6711                 free(pr);
6712                 return (0);
6713         }
6714
6715         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
6716         free(pr);
6717
6718         return (ret);
6719 }
6720
6721 int
6722 get_ws_idx(xcb_window_t id)
6723 {
6724         int                     ws_idx = -1;
6725         char                    *prop = NULL;
6726         size_t                  proplen;
6727         const char              *errstr;
6728         xcb_get_property_reply_t        *gpr;
6729
6730         gpr = xcb_get_property_reply(conn,
6731                 xcb_get_property(conn, 0, id, a_swm_ws,
6732                     XCB_ATOM_STRING, 0, SWM_PROPLEN),
6733                 NULL);
6734         if (!gpr)
6735                 return (-1);
6736         if (gpr->type) {
6737                 proplen = xcb_get_property_value_length(gpr);
6738                 if (proplen > 0) {
6739                         prop = malloc(proplen + 1);
6740                         if (prop) {
6741                                 memcpy(prop,
6742                                     xcb_get_property_value(gpr),
6743                                     proplen);
6744                                 prop[proplen] = '\0';
6745                         }
6746                 }
6747         }
6748         free(gpr);
6749
6750         if (prop) {
6751                 DNPRINTF(SWM_D_PROP, "get_ws_idx: _SWM_WS: %s\n", prop);
6752                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1, &errstr);
6753                 if (errstr) {
6754                         DNPRINTF(SWM_D_PROP, "get_ws_idx: window: #%s: %s",
6755                             errstr, prop);
6756                 }
6757                 free(prop);
6758         }
6759
6760         return ws_idx;
6761 }
6762
6763 struct ws_win *
6764 manage_window(xcb_window_t id)
6765 {
6766         xcb_window_t            trans = XCB_WINDOW_NONE;
6767         struct ws_win           *win, *ww;
6768         int                     ws_idx, border_me = 0;
6769         char                    ws_idx_str[SWM_PROPLEN];
6770         struct swm_region       *r;
6771         struct pid_e            *p;
6772         struct quirk            *qp;
6773         uint32_t                event_mask, i;
6774         xcb_icccm_get_wm_protocols_reply_t      wpr;
6775
6776         if ((win = find_window(id)) != NULL) {
6777                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x already "
6778                     "managed; skipping.)\n", id);
6779                 return (win);   /* Already managed. */
6780         }
6781
6782         /* See if window is on the unmanaged list. */
6783         if ((win = find_unmanaged_window(id)) != NULL) {
6784                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x found on "
6785                     "unmanaged list.\n", id);
6786                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6787
6788                 if (win->transient)
6789                         set_child_transient(win, &trans);
6790
6791                 goto out;
6792         } else {
6793                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x is new.\n", id);
6794         }
6795
6796         /* Create and initialize ws_win object. */
6797         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6798                 err(1, "manage_window: calloc: failed to allocate memory for "
6799                     "new window");
6800
6801         win->id = id;
6802
6803         /* Get window geometry. */
6804         win->wa = xcb_get_geometry_reply(conn,
6805             xcb_get_geometry(conn, win->id),
6806             NULL);
6807
6808         /* Figure out which region the window belongs to. */
6809         r = root_to_region(win->wa->root);
6810
6811         /* Ignore window border if there is one. */
6812         WIDTH(win) = win->wa->width;
6813         HEIGHT(win) = win->wa->height;
6814         X(win) = win->wa->x + win->wa->border_width;
6815         Y(win) = win->wa->y + win->wa->border_width;
6816         win->bordered = 0;
6817         win->g_floatvalid = 0;
6818         win->floatmaxed = 0;
6819         win->ewmh_flags = 0;
6820         win->s = r->s;  /* this never changes */
6821
6822         /* Get WM_SIZE_HINTS. */
6823         xcb_icccm_get_wm_normal_hints_reply(conn,
6824             xcb_icccm_get_wm_normal_hints(conn, win->id),
6825             &win->sh, NULL);
6826
6827         /* Get WM_HINTS. */
6828         xcb_icccm_get_wm_hints_reply(conn,
6829             xcb_icccm_get_wm_hints(conn, win->id),
6830             &win->hints, NULL);
6831
6832         /* Get WM_TRANSIENT_FOR; see if window is a transient. */
6833         xcb_icccm_get_wm_transient_for_reply(conn,
6834             xcb_icccm_get_wm_transient_for(conn, win->id),
6835             &trans, NULL);
6836         if (trans) {
6837                 win->transient = trans;
6838                 set_child_transient(win, &win->transient);
6839         }
6840
6841         /* Get supported protocols. */
6842         if (xcb_icccm_get_wm_protocols_reply(conn,
6843             xcb_icccm_get_wm_protocols(conn, win->id, a_prot),
6844             &wpr, NULL)) {
6845                 for (i = 0; i < wpr.atoms_len; i++) {
6846                         if (wpr.atoms[i] == a_takefocus)
6847                                 win->take_focus = 1;
6848                         if (wpr.atoms[i] == a_delete)
6849                                 win->can_delete = 1;
6850                 }
6851                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
6852         }
6853
6854         win->iconic = get_iconic(win);
6855
6856         /* Figure out which workspace the window belongs to. */
6857         if ((p = find_pid(window_get_pid(win->id))) != NULL) {
6858                 win->ws = &r->s->ws[p->ws];
6859                 TAILQ_REMOVE(&pidlist, p, entry);
6860                 free(p);
6861                 p = NULL;
6862         } else if ((ws_idx = get_ws_idx(win->id)) != -1 &&
6863             win->transient == 0) {
6864                 /* _SWM_WS is set; use that. */
6865                 win->ws = &r->s->ws[ws_idx];
6866         } else if (trans && (ww = find_window(trans)) != NULL) {
6867                 /* Launch transients in the same ws as parent. */
6868                 win->ws = ww->ws;
6869                 border_me = 1;
6870         } else {
6871                 win->ws = r->ws;
6872         }
6873
6874         /* Set the _SWM_WS atom so we can remember this after reincarnation. */
6875         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", win->ws->idx) <
6876             SWM_PROPLEN) {
6877                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6878                     ws_idx_str);
6879                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
6880                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
6881                     ws_idx_str);
6882         }
6883
6884         /* Handle EWMH */
6885         ewmh_autoquirk(win);
6886
6887         /* Determine initial quirks. */
6888         if (xcb_icccm_get_wm_class_reply(conn,
6889             xcb_icccm_get_wm_class(conn, win->id),
6890             &win->ch, NULL)) {
6891                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6892                     win->ch.class_name, win->ch.instance_name);
6893
6894                 /* java is retarded so treat it special */
6895                 if (strstr(win->ch.instance_name, "sun-awt")) {
6896                         win->java = 1;
6897                         border_me = 1;
6898                 }
6899
6900                 TAILQ_FOREACH(qp, &quirks, entry) {
6901                         if (!strcmp(win->ch.class_name, qp->class) &&
6902                             !strcmp(win->ch.instance_name, qp->name)) {
6903                                 DNPRINTF(SWM_D_CLASS, "manage_window: on quirks"
6904                                     "list; mask: 0x%lx\n", qp->quirk);
6905                                 if (qp->quirk & SWM_Q_FLOAT) {
6906                                         win->floating = 1;
6907                                         border_me = 1;
6908                                 }
6909                                 win->quirks = qp->quirk;
6910                         }
6911                 }
6912         }
6913
6914         /* Alter window position if quirky */
6915         if (win->quirks & SWM_Q_ANYWHERE) {
6916                 win->manual = 1;
6917                 border_me = 1;
6918         }
6919
6920         /* Reset font sizes (the bruteforce way; no default keybinding). */
6921         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6922                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6923                         fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
6924                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6925                         fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
6926         }
6927
6928         /* Make sure window is positioned inside its region, if its active. */
6929         if (win->ws->r)
6930                 constrain_window(win, win->ws->r, 0);
6931
6932         if (border_me) {
6933                 win->bordered = 1;
6934                 X(win) -= border_width;
6935                 Y(win) -= border_width;
6936         }
6937
6938         if (win->ws->r || border_me)
6939                 update_window(win);
6940
6941         /* Select which X events to monitor. */
6942         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6943             XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6944 #ifdef SWM_DEBUG
6945         event_mask |= XCB_EVENT_MASK_LEAVE_WINDOW;
6946 #endif
6947
6948         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6949
6950 out:
6951         /* Figure out where to stack the window in the workspace. */
6952         if (trans && (ww = find_window(trans)))
6953                 TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6954         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6955                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6956                     entry);
6957         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6958                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6959         else switch (spawn_position) {
6960         default:
6961         case SWM_STACK_TOP:
6962         case SWM_STACK_ABOVE:
6963                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6964                 break;
6965         case SWM_STACK_BOTTOM:
6966         case SWM_STACK_BELOW:
6967                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6968         }
6969
6970         /* Get initial _NET_WM_STATE */
6971         ewmh_get_win_state(win);
6972         /* Set initial _NET_WM_ALLOWED_ACTIONS */
6973         ewmh_update_actions(win);
6974
6975         DNPRINTF(SWM_D_MISC, "manage_window: done. window: 0x%x, (x,y) w x h: "
6976             "(%d,%d) %d x %d, ws: %d, iconic: %s, transient: 0x%x\n", win->id,
6977             X(win), Y(win), WIDTH(win), HEIGHT(win), win->ws->idx,
6978             YESNO(win->iconic), win->transient);
6979
6980         return (win);
6981 }
6982
6983 void
6984 free_window(struct ws_win *win)
6985 {
6986         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6987
6988         if (win == NULL)
6989                 return;
6990
6991         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6992
6993         if (win->wa)
6994                 free(win->wa);
6995
6996         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
6997
6998         kill_refs(win);
6999
7000         /* paint memory */
7001         memset(win, 0xff, sizeof *win); /* XXX kill later */
7002
7003         free(win);
7004         DNPRINTF(SWM_D_MISC, "free_window: done\n");
7005 }
7006
7007 void
7008 unmanage_window(struct ws_win *win)
7009 {
7010         struct ws_win           *parent;
7011         xcb_screen_t            *screen;
7012
7013         if (win == NULL)
7014                 return;
7015
7016         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
7017
7018         if (win->transient) {
7019                 parent = find_window(win->transient);
7020                 if (parent)
7021                         parent->focus_child = NULL;
7022         }
7023
7024         /* focus on root just in case */
7025         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
7026         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
7027             screen->root, XCB_CURRENT_TIME);
7028
7029         focus_prev(win);
7030
7031         TAILQ_REMOVE(&win->ws->winlist, win, entry);
7032         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
7033 }
7034
7035 void
7036 expose(xcb_expose_event_t *e)
7037 {
7038         int                     i, num_screens;
7039         struct swm_region       *r;
7040
7041         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
7042
7043         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7044         for (i = 0; i < num_screens; i++)
7045                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7046                         if (e->window == WINID(r->bar))
7047                                 bar_update();
7048
7049         xcb_flush(conn);
7050 }
7051
7052 #ifdef SWM_DEBUG
7053 void
7054 focusin(xcb_focus_in_event_t *e)
7055 {
7056         DNPRINTF(SWM_D_EVENT, "focusin: window: 0x%x, mode: %s(%u), "
7057             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
7058             e->mode, get_notify_detail_label(e->detail), e->detail);
7059 }
7060 #endif
7061
7062 void
7063 keypress(xcb_key_press_event_t *e)
7064 {
7065         xcb_keysym_t            keysym;
7066         struct key              *kp;
7067
7068         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
7069
7070         DNPRINTF(SWM_D_EVENT, "keypress: %u %u\n", e->detail, keysym);
7071
7072         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
7073                 return;
7074
7075         if (kp->funcid == KF_SPAWN_CUSTOM)
7076                 spawn_custom(root_to_region(e->root),
7077                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
7078         else if (keyfuncs[kp->funcid].func)
7079                 keyfuncs[kp->funcid].func(root_to_region(e->root),
7080                     &(keyfuncs[kp->funcid].args));
7081 }
7082
7083 void
7084 buttonpress(xcb_button_press_event_t *e)
7085 {
7086         struct ws_win           *win;
7087         int                     i;
7088         unsigned int            action;
7089
7090         DNPRINTF(SWM_D_EVENT, "buttonpress: window 0x%x, detail: %u\n",
7091             e->event, e->detail);
7092
7093         if ((win = find_window(e->event)) == NULL)
7094                 return;
7095
7096         focus_win(focus_magic(win));
7097         action = client_click;
7098
7099         for (i = 0; i < LENGTH(buttons); i++)
7100                 if (action == buttons[i].action && buttons[i].func &&
7101                     buttons[i].button == e->detail &&
7102                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state))
7103                         buttons[i].func(win, &buttons[i].args);
7104
7105         xcb_flush(conn);
7106 }
7107
7108 #ifdef SWM_DEBUG
7109 void
7110 print_win_geom(xcb_window_t w)
7111 {
7112         xcb_get_geometry_reply_t        *wa;
7113
7114         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
7115
7116         if (!wa) {
7117                 DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: 0x%x\n",
7118                     w);
7119                 return;
7120         }
7121
7122         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
7123             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
7124             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
7125             wa->border_width);
7126
7127         free(wa);
7128 }
7129 #endif
7130
7131 void
7132 configurerequest(xcb_configure_request_event_t *e)
7133 {
7134         struct ws_win           *win;
7135         int                     new = 0, i = 0;
7136         uint16_t                mask = 0;
7137         uint32_t                wc[7] = {0};
7138
7139         if ((win = find_window(e->window)) == NULL)
7140                 if ((win = find_unmanaged_window(e->window)) == NULL)
7141                         new = 1;
7142 #ifdef SWM_DEBUG
7143         print_win_geom(e->window);
7144 #endif
7145         if (new) {
7146                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%x, "
7147                     "value_mask: 0x%x", e->window, e->value_mask);
7148                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
7149                         mask |= XCB_CONFIG_WINDOW_X;
7150                         wc[i++] = e->x;
7151                         DPRINTF(", X: %d", e->x);
7152                 }
7153                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
7154                         mask |= XCB_CONFIG_WINDOW_Y;
7155                         wc[i++] = e->y;
7156                         DPRINTF(", Y: %d", e->y);
7157                 }
7158                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
7159                         mask |= XCB_CONFIG_WINDOW_WIDTH;
7160                         wc[i++] = e->width;
7161                         DPRINTF(", W: %u", e->width);
7162                 }
7163                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
7164                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
7165                         wc[i++] = e->height;
7166                         DPRINTF(", H: %u", e->height);
7167                 }
7168                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
7169                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
7170                         wc[i++] = e->border_width;
7171                         DPRINTF(", Border: %u", e->border_width);
7172                 }
7173                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
7174                         mask |= XCB_CONFIG_WINDOW_SIBLING;
7175                         wc[i++] = e->sibling;
7176                         DPRINTF(", Sibling: 0x%x", e->sibling);
7177                 }
7178                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
7179                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
7180                         wc[i++] = e->stack_mode;
7181                         DPRINTF(", StackMode: %u", e->stack_mode);
7182                 }
7183
7184                 if (mask != 0)
7185                         xcb_configure_window(conn, e->window, mask, wc);
7186
7187                 DPRINTF(", Sent: %s\n", YESNO((mask != 0)));
7188         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
7189             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
7190                 win->g_float.x = e->x;
7191                 win->g_float.y = e->y;
7192                 if (win->ws->r) {
7193                         win->g_float.x -= X(win->ws->r);
7194                         win->g_float.y -= Y(win->ws->r);
7195                 } else if (win->ws->old_r) {
7196                         win->g_float.x -= X(win->ws->old_r);
7197                         win->g_float.y -= Y(win->ws->old_r);
7198                 }
7199
7200                 win->g_float.w = e->width;
7201                 win->g_float.h = e->height;
7202                 win->g_floatvalid = 1;
7203
7204                 if (win->floating) {
7205                         win->g.x = e->x;
7206                         win->g.y = e->y;
7207                         win->g.w = e->width;
7208                         win->g.h = e->height;
7209                         update_window(win);
7210                 } else {
7211                         config_win(win, e);
7212                 }
7213         } else {
7214                 config_win(win, e);
7215         }
7216
7217         xcb_flush(conn);
7218 }
7219
7220 void
7221 configurenotify(xcb_configure_notify_event_t *e)
7222 {
7223         struct ws_win           *win;
7224
7225         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%x\n",
7226             e->window);
7227
7228         win = find_window(e->window);
7229         if (win) {
7230                 xcb_icccm_get_wm_normal_hints_reply(conn,
7231                     xcb_icccm_get_wm_normal_hints(conn, win->id),
7232                     &win->sh, NULL);
7233                 adjust_font(win);
7234                 if (font_adjusted) {
7235                         stack();
7236                         xcb_flush(conn);
7237                 }
7238         }
7239 }
7240
7241 void
7242 destroynotify(xcb_destroy_notify_event_t *e)
7243 {
7244         struct ws_win           *win;
7245
7246         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
7247
7248         if ((win = find_window(e->window)) == NULL) {
7249                 if ((win = find_unmanaged_window(e->window)) == NULL)
7250                         return;
7251                 free_window(win);
7252                 return;
7253         }
7254
7255         /* make sure we focus on something */
7256         win->floating = 0;
7257
7258         unmanage_window(win);
7259         free_window(win);
7260
7261         stack();
7262
7263         if (focus_mode == SWM_FOCUS_DEFAULT)
7264                 event_drain(XCB_ENTER_NOTIFY);
7265         else
7266                 xcb_flush(conn);
7267 }
7268
7269 #ifdef SWM_DEBUG
7270 char *
7271 get_notify_detail_label(uint8_t detail)
7272 {
7273         char *label;
7274
7275         switch (detail) {
7276         case XCB_NOTIFY_DETAIL_ANCESTOR:
7277                 label = "Ancestor";
7278                 break;
7279         case XCB_NOTIFY_DETAIL_VIRTUAL:
7280                 label = "Virtual";
7281                 break;
7282         case XCB_NOTIFY_DETAIL_INFERIOR:
7283                 label = "Inferior";
7284                 break;
7285         case XCB_NOTIFY_DETAIL_NONLINEAR:
7286                 label = "Nonlinear";
7287                 break;
7288         case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
7289                 label = "NonlinearVirtual";
7290                 break;
7291         case XCB_NOTIFY_DETAIL_POINTER:
7292                 label = "Pointer";
7293                 break;
7294         case XCB_NOTIFY_DETAIL_POINTER_ROOT:
7295                 label = "PointerRoot";
7296                 break;
7297         case XCB_NOTIFY_DETAIL_NONE:
7298                 label = "None";
7299                 break;
7300         default:
7301                 label = "Unknown";
7302         }
7303
7304         return label;
7305 }
7306
7307 char *
7308 get_notify_mode_label(uint8_t mode)
7309 {
7310         char *label;
7311
7312         switch (mode) {
7313         case XCB_NOTIFY_MODE_NORMAL:
7314                 label = "Normal";
7315                 break;
7316         case XCB_NOTIFY_MODE_GRAB:
7317                 label = "Grab";
7318                 break;
7319         case XCB_NOTIFY_MODE_UNGRAB:
7320                 label = "Ungrab";
7321                 break;
7322         case XCB_NOTIFY_MODE_WHILE_GRABBED:
7323                 label = "WhileGrabbed";
7324                 break;
7325         default:
7326                 label = "Unknown";
7327         }
7328
7329         return label;
7330 }
7331 #endif
7332
7333 void
7334 enternotify(xcb_enter_notify_event_t *e)
7335 {
7336         struct ws_win           *win;
7337         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%x, mode: %s(%d), "
7338             "detail: %s(%d), root: 0x%x, subwindow: 0x%x, same_screen_focus: "
7339             "%s, state: %d\n", e->event, get_notify_mode_label(e->mode),
7340             e->mode, get_notify_detail_label(e->detail), e->detail, e->root,
7341             e->child, YESNO(e->same_screen_focus), e->state);
7342
7343 #if 0
7344         if (e->mode != XCB_NOTIFY_MODE_NORMAL) {
7345                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
7346                     "cursor grab.\n");
7347                 return;
7348         }
7349 #endif
7350
7351         switch (focus_mode) {
7352         case SWM_FOCUS_DEFAULT:
7353                 break;
7354         case SWM_FOCUS_FOLLOW:
7355                 break;
7356         case SWM_FOCUS_SYNERGY:
7357                 break;
7358         }
7359
7360         if ((win = find_window(e->event)) == NULL) {
7361                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
7362                 return;
7363         }
7364
7365         focus_win(focus_magic(win));
7366
7367         xcb_flush(conn);
7368 }
7369
7370 #ifdef SWM_DEBUG
7371 void
7372 leavenotify(xcb_leave_notify_event_t *e)
7373 {
7374         DNPRINTF(SWM_D_FOCUS, "leavenotify: window: 0x%x, mode: %s(%d), "
7375             "detail: %s(%d), root: 0x%x, subwindow: 0x%x, same_screen_focus: "
7376             "%s, state: %d\n", e->event, get_notify_mode_label(e->mode),
7377             e->mode, get_notify_detail_label(e->detail), e->detail, e->root,
7378             e->child, YESNO(e->same_screen_focus), e->state);
7379 }
7380 #endif
7381
7382 /* lets us use one switch statement for arbitrary mode/detail combinations */
7383 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
7384
7385 void
7386 mapnotify(xcb_map_notify_event_t *e)
7387 {
7388         struct ws_win           *win;
7389
7390         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
7391
7392         if ((win = find_window(e->window)) == NULL)
7393                 win = manage_window(e->window);
7394
7395         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
7396
7397         /* Focus on window if it is selected. */
7398         if (win->ws->focus == win)
7399                 focus_win(win);
7400 }
7401
7402 void
7403 mappingnotify(xcb_mapping_notify_event_t *e)
7404 {
7405         xcb_refresh_keyboard_mapping(syms, e);
7406
7407         if (e->request == XCB_MAPPING_KEYBOARD)
7408                 grabkeys();
7409 }
7410
7411 void
7412 maprequest(xcb_map_request_event_t *e)
7413 {
7414         struct ws_win           *win;
7415         xcb_get_window_attributes_reply_t *war;
7416
7417         DNPRINTF(SWM_D_EVENT, "maprequest: win 0x%x\n",
7418             e->window);
7419
7420         war = xcb_get_window_attributes_reply(conn,
7421             xcb_get_window_attributes(conn, e->window),
7422             NULL);
7423         if (war == NULL) {
7424                 DNPRINTF(SWM_D_EVENT, "maprequest: window lost.\n");
7425                 goto out;
7426         }
7427
7428         if (war->override_redirect) {
7429                 DNPRINTF(SWM_D_EVENT, "maprequest: override_redirect; "
7430                     "skipping.\n");
7431                 goto out;
7432         }
7433
7434         win = manage_window(e->window);
7435
7436         /* All windows need to be mapped if they are in the current workspace.*/
7437         if (win->ws->r)
7438                 stack();
7439
7440         /* The new window should get focus. */
7441         win->ws->focus = focus_magic(win);
7442
7443         /* Ignore EnterNotify to handle the mapnotify without interference. */
7444         if (focus_mode == SWM_FOCUS_DEFAULT)
7445                 event_drain(XCB_ENTER_NOTIFY);
7446 out:
7447         free(war);
7448         DNPRINTF(SWM_D_EVENT, "maprequest: done.\n");
7449 }
7450
7451 #ifdef SWM_DEBUG
7452 char *
7453 get_atom_name(xcb_atom_t atom)
7454 {
7455         char                            *name = NULL;
7456 #if 0
7457         /*
7458          * This should be disabled during most debugging since
7459          * xcb_get_* causes an xcb_flush.
7460          */
7461         size_t                          len;
7462         xcb_get_atom_name_reply_t       *r;
7463
7464         r = xcb_get_atom_name_reply(conn,
7465             xcb_get_atom_name(conn, atom),
7466             NULL);
7467         if (r) {
7468                 len = xcb_get_atom_name_name_length(r);
7469                 if (len > 0) {
7470                         name = malloc(len + 1);
7471                         if (name) {
7472                                 memcpy(name, xcb_get_atom_name_name(r), len);
7473                                 name[len] = '\0';
7474                         }
7475                 }
7476                 free(r);
7477         }
7478 #else
7479         (void)atom;
7480 #endif
7481         return (name);
7482 }
7483 #endif
7484
7485 void
7486 propertynotify(xcb_property_notify_event_t *e)
7487 {
7488         struct ws_win           *win;
7489 #ifdef SWM_DEBUG
7490         char                    *name;
7491
7492         name = get_atom_name(e->atom);
7493         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u)\n",
7494             e->window, name, e->atom);
7495         free(name);
7496 #endif
7497         xcb_flush(conn);
7498
7499         win = find_window(e->window);
7500         if (win == NULL)
7501                 return;
7502
7503         if (e->state == XCB_PROPERTY_DELETE && e->atom == a_swm_iconic) {
7504                 update_iconic(win, 0);
7505                 map_window_raised(win->id);
7506                 stack();
7507                 focus_win(win);
7508                 return;
7509         }
7510
7511         switch (e->atom) {
7512         case XCB_ATOM_WM_CLASS:
7513         case XCB_ATOM_WM_NAME:
7514                 bar_update();
7515                 break;
7516         default:
7517                 break;
7518         }
7519 }
7520
7521 void
7522 unmapnotify(xcb_unmap_notify_event_t *e)
7523 {
7524         struct ws_win           *win;
7525
7526         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
7527
7528         /* determine if we need to help unmanage this window */
7529         win = find_window(e->window);
7530         if (win == NULL)
7531                 return;
7532
7533         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL) {
7534                 unmanage_window(win);
7535                 stack();
7536
7537                 /* resend unmap because we ated it */
7538                 xcb_unmap_window(conn, e->window);
7539                 xcb_flush(conn);
7540         }
7541 }
7542
7543 #if 0
7544 void
7545 visibilitynotify(xcb_visibility_notify_event_t *e)
7546 {
7547         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
7548             e->window);
7549 }
7550 #endif
7551
7552 void
7553 clientmessage(xcb_client_message_event_t *e)
7554 {
7555         struct ws_win *win;
7556         xcb_map_request_event_t mre;
7557 #ifdef SWM_DEBUG
7558         char                    *name;
7559
7560         name = get_atom_name(e->type);
7561         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
7562             e->window, name, e->type);
7563         free(name);
7564 #endif
7565         win = find_window(e->window);
7566
7567         if (win == NULL) {
7568                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7569                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7570                             "unmanaged window.\n");
7571                         mre.window = e->window;
7572                         maprequest(&mre);
7573                 }
7574                 return;
7575         }
7576
7577         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7578                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7579                 focus_win(win);
7580         }
7581         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
7582                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7583                 if (win->can_delete)
7584                         client_msg(win, a_delete);
7585                 else
7586                         xcb_kill_client(conn, win->id);
7587         }
7588         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7589                 DNPRINTF(SWM_D_EVENT,
7590                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7591                 if (win->floating) {
7592                         if (e->data.data32[0] & (1<<8)) /* x */
7593                                 X(win) = e->data.data32[1];
7594                         if (e->data.data32[0] & (1<<9)) /* y */
7595                                 Y(win) = e->data.data32[2];
7596                         if (e->data.data32[0] & (1<<10)) /* width */
7597                                 WIDTH(win) = e->data.data32[3];
7598                         if (e->data.data32[0] & (1<<11)) /* height */
7599                                 HEIGHT(win) = e->data.data32[4];
7600
7601                         update_window(win);
7602                 }
7603                 else {
7604                         /* TODO: Change stack sizes */
7605                         /* notify no change was made. */
7606                         config_win(win, NULL);
7607                 }
7608         }
7609         if (e->type == ewmh[_NET_WM_STATE].atom) {
7610                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7611                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
7612                 if (e->data.data32[2])
7613                         ewmh_update_win_state(win, e->data.data32[2],
7614                             e->data.data32[0]);
7615
7616                 stack();
7617         }
7618
7619         xcb_flush(conn);
7620 }
7621
7622 void
7623 check_conn(void)
7624 {
7625         int      errcode = xcb_connection_has_error(conn);
7626 #ifdef XCB_CONN_ERROR
7627         char    *s;
7628         switch (errcode) {
7629         case XCB_CONN_ERROR:
7630                 s = "Socket error, pipe error or other stream error.";
7631                 break;
7632         case XCB_CONN_CLOSED_EXT_NOTSUPPORTED:
7633                 s = "Extension not supported.";
7634                 break;
7635         case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
7636                 s = "Insufficient memory.";
7637                 break;
7638         case XCB_CONN_CLOSED_REQ_LEN_EXCEED:
7639                 s = "Request length was exceeded.";
7640                 break;
7641         case XCB_CONN_CLOSED_PARSE_ERR:
7642                 s = "Error parsing display string.";
7643                 break;
7644         default:
7645                 s = "Unknown error.";
7646         }
7647         if (errcode)
7648                 errx(errcode, "X CONNECTION ERROR: %s", s);
7649 #else
7650         if (errcode)
7651                 errx(errcode, "X CONNECTION ERROR");
7652 #endif
7653 }
7654
7655 int
7656 enable_wm(void)
7657 {
7658         int                     num_screens, i;
7659         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
7660         xcb_screen_t            *sc;
7661         xcb_void_cookie_t       wac;
7662         xcb_generic_error_t     *error;
7663
7664         /* this causes an error if some other window manager is running */
7665         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7666         for (i = 0; i < num_screens; i++) {
7667                 if ((sc = get_screen(i)) == NULL)
7668                         errx(1, "ERROR: can't get screen %d.", i);
7669                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
7670                     i, sc->root);
7671                 wac = xcb_change_window_attributes_checked(conn, sc->root,
7672                     XCB_CW_EVENT_MASK, &val);
7673                 if ((error = xcb_request_check(conn, wac))) {
7674                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
7675                             error->error_code);
7676                         free(error);
7677                         return 1;
7678                 }
7679         }
7680
7681         return 0;
7682 }
7683
7684 void
7685 new_region(struct swm_screen *s, int x, int y, int w, int h)
7686 {
7687         struct swm_region       *r, *n;
7688         struct workspace        *ws = NULL;
7689         int                     i;
7690
7691         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7692              s->idx, w, h, x, y);
7693
7694         /* remove any conflicting regions */
7695         n = TAILQ_FIRST(&s->rl);
7696         while (n) {
7697                 r = n;
7698                 n = TAILQ_NEXT(r, entry);
7699                 if (X(r) < (x + w) &&
7700                     (X(r) + WIDTH(r)) > x &&
7701                     Y(r) < (y + h) &&
7702                     (Y(r) + HEIGHT(r)) > y) {
7703                         if (r->ws->r != NULL)
7704                                 r->ws->old_r = r->ws->r;
7705                         r->ws->r = NULL;
7706                         bar_cleanup(r);
7707                         TAILQ_REMOVE(&s->rl, r, entry);
7708                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7709                 }
7710         }
7711
7712         /* search old regions for one to reuse */
7713
7714         /* size + location match */
7715         TAILQ_FOREACH(r, &s->orl, entry)
7716                 if (X(r) == x && Y(r) == y &&
7717                     HEIGHT(r) == h && WIDTH(r) == w)
7718                         break;
7719
7720         /* size match */
7721         TAILQ_FOREACH(r, &s->orl, entry)
7722                 if (HEIGHT(r) == h && WIDTH(r) == w)
7723                         break;
7724
7725         if (r != NULL) {
7726                 TAILQ_REMOVE(&s->orl, r, entry);
7727                 /* try to use old region's workspace */
7728                 if (r->ws->r == NULL)
7729                         ws = r->ws;
7730         } else
7731                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7732                         err(1, "new_region: calloc: failed to allocate memory "
7733                             "for screen");
7734
7735         /* if we don't have a workspace already, find one */
7736         if (ws == NULL) {
7737                 for (i = 0; i < workspace_limit; i++)
7738                         if (s->ws[i].r == NULL) {
7739                                 ws = &s->ws[i];
7740                                 break;
7741                         }
7742         }
7743
7744         if (ws == NULL)
7745                 errx(1, "new_region: no free workspaces");
7746
7747         X(r) = x;
7748         Y(r) = y;
7749         WIDTH(r) = w;
7750         HEIGHT(r) = h;
7751         r->s = s;
7752         r->ws = ws;
7753         r->ws_prior = NULL;
7754         ws->r = r;
7755         outputs++;
7756         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7757 }
7758
7759 void
7760 scan_xrandr(int i)
7761 {
7762 #ifdef SWM_XRR_HAS_CRTC
7763         int                                             c;
7764         int                                             ncrtc = 0;
7765 #endif /* SWM_XRR_HAS_CRTC */
7766         struct swm_region                               *r;
7767         int                                             num_screens;
7768         xcb_randr_get_screen_resources_current_cookie_t src;
7769         xcb_randr_get_screen_resources_current_reply_t  *srr;
7770         xcb_randr_get_crtc_info_cookie_t                cic;
7771         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7772         xcb_randr_crtc_t                                *crtc;
7773         xcb_screen_t                                    *screen;
7774
7775         if ((screen = get_screen(i)) == NULL)
7776                 errx(1, "ERROR: can't get screen %d.", i);
7777
7778         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7779         if (i >= num_screens)
7780                 errx(1, "scan_xrandr: invalid screen");
7781
7782         /* remove any old regions */
7783         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7784                 r->ws->old_r = r->ws->r = NULL;
7785                 bar_cleanup(r);
7786                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7787                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7788         }
7789         outputs = 0;
7790
7791         /* map virtual screens onto physical screens */
7792 #ifdef SWM_XRR_HAS_CRTC
7793         if (xrandr_support) {
7794                 src = xcb_randr_get_screen_resources_current(conn,
7795                     screens[i].root);
7796                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7797                     NULL);
7798                 if (srr == NULL) {
7799                         new_region(&screens[i], 0, 0,
7800                             screen->width_in_pixels,
7801                             screen->height_in_pixels);
7802                         return;
7803                 } else
7804                         ncrtc = srr->num_crtcs;
7805
7806                 crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7807                 for (c = 0; c < ncrtc; c++) {
7808                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7809                             XCB_CURRENT_TIME);
7810                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7811                         if (cir == NULL)
7812                                 continue;
7813                         if (cir->num_outputs == 0) {
7814                                 free(cir);
7815                                 continue;
7816                         }
7817
7818                         if (cir->mode == 0)
7819                                 new_region(&screens[i], 0, 0,
7820                                     screen->width_in_pixels,
7821                                     screen->height_in_pixels);
7822                         else
7823                                 new_region(&screens[i],
7824                                     cir->x, cir->y, cir->width, cir->height);
7825                         free(cir);
7826                 }
7827                 free(srr);
7828         } else
7829 #endif /* SWM_XRR_HAS_CRTC */
7830         {
7831                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7832                     screen->height_in_pixels);
7833         }
7834 }
7835
7836 void
7837 screenchange(xcb_randr_screen_change_notify_event_t *e)
7838 {
7839         struct swm_region               *r;
7840         int                             i, num_screens;
7841
7842         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
7843
7844         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7845         /* silly event doesn't include the screen index */
7846         for (i = 0; i < num_screens; i++)
7847                 if (screens[i].root == e->root)
7848                         break;
7849         if (i >= num_screens)
7850                 errx(1, "screenchange: screen not found");
7851
7852         /* brute force for now, just re-enumerate the regions */
7853         scan_xrandr(i);
7854
7855 #ifdef SWM_DEBUG
7856         print_win_geom(e->root);
7857 #endif
7858         /* add bars to all regions */
7859         for (i = 0; i < num_screens; i++)
7860                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7861                         bar_setup(r);
7862         stack();
7863 }
7864
7865 void
7866 grab_windows(void)
7867 {
7868         xcb_window_t            *wins   = NULL;
7869         int                     no;
7870         int                     i, j, num_screens;
7871         uint16_t                state, manage;
7872
7873         xcb_query_tree_cookie_t                 qtc;
7874         xcb_query_tree_reply_t                  *qtr;
7875         xcb_get_window_attributes_cookie_t      c;
7876         xcb_get_window_attributes_reply_t       *r;
7877         xcb_get_property_cookie_t               pc;
7878
7879         DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
7880         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7881         for (i = 0; i < num_screens; i++) {
7882                 qtc = xcb_query_tree(conn, screens[i].root);
7883                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7884                 if (!qtr)
7885                         continue;
7886                 wins = xcb_query_tree_children(qtr);
7887                 no = xcb_query_tree_children_length(qtr);
7888                 /* attach windows to a region */
7889                 /* normal windows */
7890                 for (j = 0; j < no; j++) {
7891                         c = xcb_get_window_attributes(conn, wins[j]);
7892                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7893                         if (!r)
7894                                 continue;
7895                         if (r->override_redirect) {
7896                                 free(r);
7897                                 continue;
7898                         }
7899
7900                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7901                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7902                             &wins[j], NULL)) {
7903                                 free(r);
7904                                 continue;
7905                         }
7906
7907                         state = getstate(wins[j]);
7908                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7909                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7910                                 manage_window(wins[j]);
7911                         free(r);
7912                 }
7913                 /* transient windows */
7914                 for (j = 0; j < no; j++) {
7915                         c = xcb_get_window_attributes(conn, wins[j]);
7916                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7917                         if (!r)
7918                                 continue;
7919                         if (r->override_redirect) {
7920                                 free(r);
7921                                 continue;
7922                         }
7923                         free(r);
7924
7925                         state = getstate(wins[j]);
7926                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7927                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7928                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7929                             &wins[j], NULL) && manage)
7930                                 manage_window(wins[j]);
7931                 }
7932                 free(qtr);
7933         }
7934         DNPRINTF(SWM_D_INIT, "grab_windows: done\n");
7935 }
7936
7937 void
7938 setup_screens(void)
7939 {
7940         int                     i, j, k, num_screens;
7941         struct workspace        *ws;
7942         uint32_t                gcv[1], wa[1];
7943         const xcb_query_extension_reply_t *qep;
7944         xcb_screen_t                            *screen;
7945         xcb_cursor_t                            cursor;
7946         xcb_font_t                              cursor_font;
7947         xcb_randr_query_version_cookie_t        c;
7948         xcb_randr_query_version_reply_t         *r;
7949
7950         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7951         if ((screens = calloc(num_screens,
7952              sizeof(struct swm_screen))) == NULL)
7953                 err(1, "setup_screens: calloc: failed to allocate memory for "
7954                     "screens");
7955
7956         /* initial Xrandr setup */
7957         xrandr_support = 0;
7958         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7959         if (qep->present) {
7960                 c = xcb_randr_query_version(conn, 1, 1);
7961                 r = xcb_randr_query_version_reply(conn, c, NULL);
7962                 if (r) {
7963                         if (r->major_version >= 1) {
7964                                 xrandr_support = 1;
7965                                 xrandr_eventbase = qep->first_event;
7966                         }
7967                         free(r);
7968                 }
7969         }
7970
7971         cursor_font = xcb_generate_id(conn);
7972         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
7973
7974         cursor = xcb_generate_id(conn);
7975         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
7976             XC_left_ptr, XC_left_ptr + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
7977         wa[0] = cursor;
7978
7979         /* map physical screens */
7980         for (i = 0; i < num_screens; i++) {
7981                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7982                 screens[i].idx = i;
7983                 TAILQ_INIT(&screens[i].rl);
7984                 TAILQ_INIT(&screens[i].orl);
7985                 if ((screen = get_screen(i)) == NULL)
7986                         errx(1, "ERROR: can't get screen %d.", i);
7987                 screens[i].root = screen->root;
7988
7989                 /* set default colors */
7990                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7991                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7992                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7993                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7994                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7995
7996                 /* create graphics context on screen */
7997                 screens[i].bar_gc = xcb_generate_id(conn);
7998                 gcv[0] = 0;
7999                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
8000                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
8001
8002                 /* set default cursor */
8003                 xcb_change_window_attributes(conn, screens[i].root,
8004                     XCB_CW_CURSOR, wa);
8005
8006                 /* init all workspaces */
8007                 /* XXX these should be dynamically allocated too */
8008                 for (j = 0; j < SWM_WS_MAX; j++) {
8009                         ws = &screens[i].ws[j];
8010                         ws->idx = j;
8011                         ws->name = NULL;
8012                         ws->focus = NULL;
8013                         ws->r = NULL;
8014                         ws->old_r = NULL;
8015                         TAILQ_INIT(&ws->winlist);
8016                         TAILQ_INIT(&ws->unmanagedlist);
8017
8018                         for (k = 0; layouts[k].l_stack != NULL; k++)
8019                                 if (layouts[k].l_config != NULL)
8020                                         layouts[k].l_config(ws,
8021                                             SWM_ARG_ID_STACKINIT);
8022                         ws->cur_layout = &layouts[0];
8023                         ws->cur_layout->l_string(ws);
8024                 }
8025
8026                 scan_xrandr(i);
8027
8028                 if (xrandr_support)
8029                         xcb_randr_select_input(conn, screens[i].root,
8030                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
8031         }
8032         xcb_free_cursor(conn, cursor);
8033         xcb_close_font(conn, cursor_font);
8034 }
8035
8036 void
8037 setup_globals(void)
8038 {
8039         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
8040                 err(1, "setup_globals: strdup: failed to allocate memory.");
8041
8042         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
8043                 err(1, "setup_globals: strdup: failed to allocate memory.");
8044
8045         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
8046                 errx(1, "unable to allocate key symbols");
8047
8048         a_state = get_atom_from_string("WM_STATE");
8049         a_prot = get_atom_from_string("WM_PROTOCOLS");
8050         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
8051         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
8052         a_wmname = get_atom_from_string("WM_NAME");
8053         a_netwmname = get_atom_from_string("_NET_WM_NAME");
8054         a_utf8_string = get_atom_from_string("UTF8_STRING");
8055         a_string = get_atom_from_string("STRING");
8056         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
8057         a_swm_ws = get_atom_from_string("_SWM_WS");
8058 }
8059
8060 void
8061 workaround(void)
8062 {
8063         int                     i, num_screens;
8064         xcb_atom_t              netwmcheck;
8065         xcb_window_t            root, win;
8066         uint32_t                wa[2];
8067
8068         /* work around sun jdk bugs, code from wmname */
8069         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
8070
8071         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8072         for (i = 0; i < num_screens; i++) {
8073                 root = screens[i].root;
8074
8075                 win = xcb_generate_id(conn);
8076                 wa[0] = screens[i].c[SWM_S_COLOR_UNFOCUS].pixel;
8077                 wa[1] = screens[i].c[SWM_S_COLOR_UNFOCUS].pixel;
8078                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, 0, 0, 0, 1,
8079                     1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
8080                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
8081
8082                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
8083                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
8084                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
8085                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
8086                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
8087                     a_netwmname, a_utf8_string, 8, strlen("LG3D"), "LG3D");
8088         }
8089 }
8090
8091 void
8092 shutdown_cleanup(void)
8093 {
8094         int i, num_screens;
8095
8096         /* disable alarm because the following code may not be interrupted */
8097         alarm(0);
8098         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
8099                 err(1, "can't disable alarm");
8100
8101         bar_extra_stop();
8102         bar_extra = 1;
8103         unmap_all();
8104
8105         teardown_ewmh();
8106
8107         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8108         for (i = 0; i < num_screens; ++i) {
8109                 if (screens[i].bar_gc != 0)
8110                         xcb_free_gc(conn, screens[i].bar_gc);
8111                 if (!bar_font_legacy)
8112                         XftColorFree(display, DefaultVisual(display, i),
8113                             DefaultColormap(display, i), &bar_font_color);
8114         }
8115
8116         if (bar_font_legacy)
8117                 XFreeFontSet(display, bar_fs);
8118         else {
8119                 XftFontClose(display, bar_font);
8120         }
8121
8122         xcb_key_symbols_free(syms);
8123         xcb_flush(conn);
8124         xcb_disconnect(conn);
8125 }
8126
8127 void
8128 event_error(xcb_generic_error_t *e)
8129 {
8130         (void)e;
8131
8132         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
8133             "resource_id: %u, minor_code: %u\n",
8134             xcb_event_get_error_label(e->error_code), e->error_code,
8135             xcb_event_get_request_label(e->major_code), e->major_code,
8136             e->sequence, e->resource_id, e->minor_code);
8137 }
8138
8139 void
8140 event_handle(xcb_generic_event_t *evt)
8141 {
8142         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
8143
8144         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d)\n",
8145             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
8146             XCB_EVENT_RESPONSE_TYPE(evt));
8147
8148         switch (type) {
8149 #define EVENT(type, callback) case type: callback((void *)evt); return
8150         EVENT(0, event_error);
8151         EVENT(XCB_BUTTON_PRESS, buttonpress);
8152         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
8153         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
8154         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
8155         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
8156         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
8157         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
8158         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
8159         /*EVENT(XCB_CREATE_NOTIFY, );*/
8160         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
8161         EVENT(XCB_ENTER_NOTIFY, enternotify);
8162         EVENT(XCB_EXPOSE, expose);
8163 #ifdef SWM_DEBUG
8164         EVENT(XCB_FOCUS_IN, focusin);
8165 #endif
8166         /*EVENT(XCB_FOCUS_OUT, );*/
8167         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
8168         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
8169         EVENT(XCB_KEY_PRESS, keypress);
8170         /*EVENT(XCB_KEY_RELEASE, keypress);*/
8171         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
8172 #ifdef SWM_DEBUG
8173         EVENT(XCB_LEAVE_NOTIFY, leavenotify);
8174 #endif
8175         EVENT(XCB_MAP_NOTIFY, mapnotify);
8176         EVENT(XCB_MAP_REQUEST, maprequest);
8177         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
8178         /*EVENT(XCB_MOTION_NOTIFY, );*/
8179         /*EVENT(XCB_NO_EXPOSURE, );*/
8180         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
8181         /*EVENT(XCB_REPARENT_NOTIFY, );*/
8182         /*EVENT(XCB_RESIZE_REQUEST, );*/
8183         /*EVENT(XCB_SELECTION_CLEAR, );*/
8184         /*EVENT(XCB_SELECTION_NOTIFY, );*/
8185         /*EVENT(XCB_SELECTION_REQUEST, );*/
8186         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
8187         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
8188 #undef EVENT
8189         }
8190         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
8191                 screenchange((void *)evt);
8192 }
8193
8194 int
8195 main(int argc, char *argv[])
8196 {
8197         struct swm_region       *r, *rr;
8198         struct ws_win           *winfocus = NULL;
8199         union arg               a;
8200         char                    conf[PATH_MAX], *cfile = NULL;
8201         struct stat             sb;
8202         int                     xfd, i, num_screens;
8203         struct sigaction        sact;
8204         xcb_generic_event_t     *evt;
8205         struct timeval          tv;
8206         fd_set                  rd;
8207
8208         /* suppress unused warning since var is needed */
8209         (void)argc;
8210
8211         time_started = time(NULL);
8212
8213         start_argv = argv;
8214         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
8215         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
8216                 warnx("no locale support");
8217
8218         /* handle some signals */
8219         bzero(&sact, sizeof(sact));
8220         sigemptyset(&sact.sa_mask);
8221         sact.sa_flags = 0;
8222         sact.sa_handler = sighdlr;
8223         sigaction(SIGINT, &sact, NULL);
8224         sigaction(SIGQUIT, &sact, NULL);
8225         sigaction(SIGTERM, &sact, NULL);
8226         sigaction(SIGHUP, &sact, NULL);
8227
8228         sact.sa_handler = sighdlr;
8229         sact.sa_flags = SA_NOCLDSTOP;
8230         sigaction(SIGCHLD, &sact, NULL);
8231
8232         if (!(display = XOpenDisplay(0)))
8233                 errx(1, "can not open display");
8234
8235         conn = XGetXCBConnection(display);
8236         if (xcb_connection_has_error(conn))
8237                 errx(1, "can not get XCB connection");
8238
8239         XSetEventQueueOwner(display, XCBOwnsEventQueue);
8240
8241         xcb_prefetch_extension_data(conn, &xcb_randr_id);
8242         xfd = xcb_get_file_descriptor(conn);
8243
8244         /* look for local and global conf file */
8245         pwd = getpwuid(getuid());
8246         if (pwd == NULL)
8247                 errx(1, "invalid user: %d", getuid());
8248
8249         xcb_grab_server(conn);
8250         xcb_aux_sync(conn);
8251
8252         /* flush all events */
8253         while ((evt = xcb_poll_for_event(conn))) {
8254                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
8255                         event_handle(evt);
8256                 free(evt);
8257         }
8258
8259         if (enable_wm() != 0)
8260                 errx(1, "another window manager is currently running");
8261
8262         xcb_aux_sync(conn);
8263
8264         setup_globals();
8265         setup_screens();
8266         setup_keys();
8267         setup_quirks();
8268         setup_spawn();
8269
8270         /* load config */
8271         for (i = 0; ; i++) {
8272                 conf[0] = '\0';
8273                 switch (i) {
8274                 case 0:
8275                         /* ~ */
8276                         snprintf(conf, sizeof conf, "%s/.%s",
8277                             pwd->pw_dir, SWM_CONF_FILE);
8278                         break;
8279                 case 1:
8280                         /* global */
8281                         snprintf(conf, sizeof conf, "/etc/%s",
8282                             SWM_CONF_FILE);
8283                         break;
8284                 case 2:
8285                         /* ~ compat */
8286                         snprintf(conf, sizeof conf, "%s/.%s",
8287                             pwd->pw_dir, SWM_CONF_FILE_OLD);
8288                         break;
8289                 case 3:
8290                         /* global compat */
8291                         snprintf(conf, sizeof conf, "/etc/%s",
8292                             SWM_CONF_FILE_OLD);
8293                         break;
8294                 default:
8295                         goto noconfig;
8296                 }
8297
8298                 if (strlen(conf) && stat(conf, &sb) != -1)
8299                         if (S_ISREG(sb.st_mode)) {
8300                                 cfile = conf;
8301                                 break;
8302                         }
8303         }
8304 noconfig:
8305
8306         /* load conf (if any) */
8307         if (cfile)
8308                 conf_load(cfile, SWM_CONF_DEFAULT);
8309
8310         setup_ewmh();
8311         /* set some values to work around bad programs */
8312         workaround();
8313         /* grab existing windows (before we build the bars) */
8314         grab_windows();
8315
8316         if (getenv("SWM_STARTED") == NULL)
8317                 setenv("SWM_STARTED", "YES", 1);
8318
8319         /* setup all bars */
8320         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8321         for (i = 0; i < num_screens; i++)
8322                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
8323                         if (winfocus == NULL)
8324                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
8325                         bar_setup(r);
8326                 }
8327
8328         //unfocus_all();
8329
8330         grabkeys();
8331         stack();
8332
8333         xcb_ungrab_server(conn);
8334         xcb_flush(conn);
8335
8336         while (running) {
8337                 while ((evt = xcb_poll_for_event(conn))) {
8338                         if (running == 0)
8339                                 goto done;
8340                         event_handle(evt);
8341                         free(evt);
8342                 }
8343
8344                 /* if we are being restarted go focus on first window */
8345                 if (winfocus) {
8346                         rr = winfocus->ws->r;
8347                         if (rr == NULL) {
8348                                 /* not a visible window */
8349                                 winfocus = NULL;
8350                                 continue;
8351                         }
8352                         /* move pointer to first screen if multi screen */
8353                         if (num_screens > 1 || outputs > 1)
8354                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
8355                                     rr->s[0].root, 0, 0, 0, 0, X(rr),
8356                                     Y(rr) + (bar_enabled ? bar_height : 0));
8357
8358                         a.id = SWM_ARG_ID_FOCUSCUR;
8359                         focus(rr, &a);
8360                         winfocus = NULL;
8361                         continue;
8362                 }
8363
8364                 FD_ZERO(&rd);
8365                 FD_SET(xfd, &rd);
8366                 tv.tv_sec = 1;
8367                 tv.tv_usec = 0;
8368                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
8369                         if (errno != EINTR) {
8370                                 DNPRINTF(SWM_D_MISC, "select failed");
8371                         }
8372                 if (restart_wm == 1)
8373                         restart(NULL, NULL);
8374                 if (search_resp == 1)
8375                         search_do_resp();
8376                 if (running == 0)
8377                         goto done;
8378                 if (bar_alarm) {
8379                         bar_alarm = 0;
8380                         bar_update();
8381                 }
8382         }
8383 done:
8384         shutdown_cleanup();
8385
8386         return (0);
8387 }