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                  Mod1Mask
 219 #define CLEANMASK(mask)         ((mask) & ~(numlockmask | LockMask))
 220 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 221 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 222 #define SWM_PROPLEN             (16)
 223 #define SWM_FUNCNAME_LEN        (32)
 224 #define SWM_KEYS_LEN            (255)
 225 #define SWM_QUIRK_LEN           (64)
 226 #define X(r)                    (r)->g.x
 227 #define Y(r)                    (r)->g.y
 228 #define WIDTH(r)                (r)->g.w
 229 #define HEIGHT(r)               (r)->g.h
 230 #define BORDER(w)               ((w)->bordered ? border_width : 0)
 231 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 232 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 233 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 234 #define SH_MIN_W(w)             (w)->sh.min_width
 235 #define SH_MIN_H(w)             (w)->sh.min_height
 236 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 237 #define SH_MAX_W(w)             (w)->sh.max_width
 238 #define SH_MAX_H(w)             (w)->sh.max_height
 239 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 240 #define SH_INC_W(w)             (w)->sh.width_inc
 241 #define SH_INC_H(w)             (w)->sh.height_inc
 242 #define SWM_MAX_FONT_STEPS      (3)
 243 #define WINID(w)                ((w) ? (w)->id : 0)
 244 #define YESNO(x)                ((x) ? "yes" : "no")
 245
 246 #define SWM_FOCUS_DEFAULT       (0)
 247 #define SWM_FOCUS_SYNERGY       (1)
 248 #define SWM_FOCUS_FOLLOW        (2)
 249
 250 #define SWM_CONF_DEFAULT        (0)
 251 #define SWM_CONF_KEYMAPPING     (1)
 252
 253 #ifndef SWM_LIB
 254 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 255 #endif
 256
 257 char                    **start_argv;
 258 xcb_atom_t              a_state;
 259 xcb_atom_t              a_prot;
 260 xcb_atom_t              a_delete;
 261 xcb_atom_t              a_takefocus;
 262 xcb_atom_t              a_wmname;
 263 xcb_atom_t              a_netwmname;
 264 xcb_atom_t              a_utf8_string;
 265 xcb_atom_t              a_string;
 266 xcb_atom_t              a_swm_iconic;
 267 xcb_atom_t              a_swm_ws;
 268 volatile sig_atomic_t   running = 1;
 269 volatile sig_atomic_t   restart_wm = 0;
 270 int                     outputs = 0;
 271 /*int                   last_focus_event = FocusOut;*/
 272 int                     other_wm;
 273 int                     ss_enabled = 0;
 274 int                     xrandr_support;
 275 int                     xrandr_eventbase;
 276 unsigned int            numlockmask = 0;
 277
 278 Display                 *display;
 279 xcb_connection_t        *conn;
 280 xcb_key_symbols_t       *syms;
 281
 282 int                     cycle_empty = 0;
 283 int                     cycle_visible = 0;
 284 int                     term_width = 0;
 285 int                     font_adjusted = 0;
 286 unsigned int            mod_key = MODKEY;
 287
 288 /* dmenu search */
 289 struct swm_region       *search_r;
 290 int                     select_list_pipe[2];
 291 int                     select_resp_pipe[2];
 292 pid_t                   searchpid;
 293 volatile sig_atomic_t   search_resp;
 294 int                     search_resp_action;
 295
 296 struct search_window {
 297         TAILQ_ENTRY(search_window)      entry;
 298         int                             idx;
 299         struct ws_win                   *win;
 300         xcb_gcontext_t                  gc;
 301         xcb_window_t                    indicator;
 302 };
 303 TAILQ_HEAD(search_winlist, search_window);
 304 struct search_winlist                   search_wl;
 305
 306 /* search actions */
 307 enum {
 308         SWM_SEARCH_NONE,
 309         SWM_SEARCH_UNICONIFY,
 310         SWM_SEARCH_NAME_WORKSPACE,
 311         SWM_SEARCH_SEARCH_WORKSPACE,
 312         SWM_SEARCH_SEARCH_WINDOW
 313 };
 314
 315 #define SWM_STACK_TOP           (0)
 316 #define SWM_STACK_BOTTOM        (1)
 317 #define SWM_STACK_ABOVE         (2)
 318 #define SWM_STACK_BELOW         (3)
 319
 320 /* dialog windows */
 321 double                  dialog_ratio = 0.6;
 322 /* status bar */
 323 #define SWM_BAR_MAX             (256)
 324 #define SWM_BAR_JUSTIFY_LEFT    (0)
 325 #define SWM_BAR_JUSTIFY_CENTER  (1)
 326 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 327 #define SWM_BAR_OFFSET          (4)
 328 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-12-*-*-*-*-*-*-*," \
 329                                 "-*-profont-*-*-*-*-12-*-*-*-*-*-*-*,"      \
 330                                 "-*-times-medium-r-*-*-12-*-*-*-*-*-*-*,"    \
 331                                 "-misc-fixed-medium-r-*-*-12-*-*-*-*-*-*-*,"  \
 332                                 "-*-*-*-r-*-*-*-*-*-*-*-*-*-*"
 333
 334 #ifdef X_HAVE_UTF8_STRING
 335 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 336 #else
 337 #define DRAWSTRING(x...)        XmbDrawString(x)
 338 #endif
 339
 340 char            *bar_argv[] = { NULL, NULL };
 341 int              bar_pipe[2];
 342 unsigned char    bar_ext[SWM_BAR_MAX];
 343 char             bar_vertext[SWM_BAR_MAX];
 344 int              bar_version = 0;
 345 sig_atomic_t     bar_alarm = 0;
 346 int              bar_delay = 30;
 347 int              bar_enabled = 1;
 348 int              bar_border_width = 1;
 349 int              bar_at_bottom = 0;
 350 int              bar_extra = 1;
 351 int              bar_extra_running = 0;
 352 int              bar_verbose = 1;
 353 int              bar_height = 0;
 354 int              bar_justify = SWM_BAR_JUSTIFY_LEFT;
 355 char             *bar_format = NULL;
 356 int              stack_enabled = 1;
 357 int              clock_enabled = 1;
 358 int              urgent_enabled = 0;
 359 char            *clock_format = NULL;
 360 int              title_name_enabled = 0;
 361 int              title_class_enabled = 0;
 362 int              window_name_enabled = 0;
 363 int              focus_mode = SWM_FOCUS_DEFAULT;
 364 int              focus_close = SWM_STACK_BELOW;
 365 int              focus_close_wrap = 1;
 366 int              focus_default = SWM_STACK_TOP;
 367 int              spawn_position = SWM_STACK_TOP;
 368 int              disable_border = 0;
 369 int              border_width = 1;
 370 int              verbose_layout = 0;
 371 time_t           time_started;
 372 pid_t            bar_pid;
 373 XFontSet         bar_fs;
 374 XFontSetExtents *bar_fs_extents;
 375 XftFont         *bar_font;
 376 int              bar_font_legacy = 1;
 377 char            *bar_fonts;
 378 XftColor         bar_font_color;
 379 struct passwd   *pwd;
 380
 381 /* layout manager data */
 382 struct swm_geometry {
 383         int                     x;
 384         int                     y;
 385         int                     w;
 386         int                     h;
 387 };
 388
 389 struct swm_screen;
 390 struct workspace;
 391
 392 struct swm_bar {
 393         xcb_window_t            id;
 394         xcb_pixmap_t            buffer;
 395         struct swm_geometry     g;
 396 };
 397
 398 /* virtual "screens" */
 399 struct swm_region {
 400         TAILQ_ENTRY(swm_region) entry;
 401         struct swm_geometry     g;
 402         struct workspace        *ws;    /* current workspace on this region */
 403         struct workspace        *ws_prior; /* prior workspace on this region */
 404         struct swm_screen       *s;     /* screen idx */
 405         struct swm_bar          *bar;
 406 };
 407 TAILQ_HEAD(swm_region_list, swm_region);
 408
 409 struct ws_win {
 410         TAILQ_ENTRY(ws_win)     entry;
 411         xcb_window_t            id;
 412         xcb_window_t            transient;
 413         struct ws_win           *child_trans;   /* transient child window */
 414         struct swm_geometry     g;              /* current geometry */
 415         struct swm_geometry     g_float;        /* region coordinates */
 416         int                     g_floatvalid;   /* g_float geometry validity */
 417         int                     floatmaxed;     /* whether maxed by max_stack */
 418         int                     floating;
 419         int                     manual;
 420         int32_t                 iconic;
 421         int                     bordered;
 422         unsigned int            ewmh_flags;
 423         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 424         int                     font_steps;
 425         int                     last_inc;
 426         int                     can_delete;
 427         int                     take_focus;
 428         int                     java;
 429         unsigned long           quirks;
 430         struct workspace        *ws;    /* always valid */
 431         struct swm_screen       *s;     /* always valid, never changes */
 432         xcb_get_geometry_reply_t        *wa;
 433         xcb_size_hints_t        sh;
 434         xcb_icccm_get_wm_class_reply_t  ch;
 435         xcb_icccm_wm_hints_t    hints;
 436 };
 437 TAILQ_HEAD(ws_win_list, ws_win);
 438
 439 /* pid goo */
 440 struct pid_e {
 441         TAILQ_ENTRY(pid_e)      entry;
 442         pid_t                   pid;
 443         int                     ws;
 444 };
 445 TAILQ_HEAD(pid_list, pid_e);
 446 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 447
 448 /* layout handlers */
 449 void    stack(void);
 450 void    vertical_config(struct workspace *, int);
 451 void    vertical_stack(struct workspace *, struct swm_geometry *);
 452 void    horizontal_config(struct workspace *, int);
 453 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 454 void    max_stack(struct workspace *, struct swm_geometry *);
 455 void    plain_stacker(struct workspace *);
 456 void    fancy_stacker(struct workspace *);
 457
 458 struct layout {
 459         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 460         void            (*l_config)(struct workspace *, int);
 461         u_int32_t       flags;
 462 #define SWM_L_FOCUSPREV         (1<<0)
 463 #define SWM_L_MAPONFOCUS        (1<<1)
 464         void            (*l_string)(struct workspace *);
 465 } layouts[] =  {
 466         /* stack,               configure */
 467         { vertical_stack,       vertical_config,        0,      plain_stacker },
 468         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 469         { max_stack,            NULL,
 470           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 471         { NULL,                 NULL,                   0,      NULL  },
 472 };
 473
 474 /* position of max_stack mode in the layouts array, index into layouts! */
 475 #define SWM_V_STACK             (0)
 476 #define SWM_H_STACK             (1)
 477 #define SWM_MAX_STACK           (2)
 478
 479 #define SWM_H_SLICE             (32)
 480 #define SWM_V_SLICE             (32)
 481
 482 /* define work spaces */
 483 struct workspace {
 484         int                     idx;            /* workspace index */
 485         char                    *name;          /* workspace name */
 486         int                     always_raise;   /* raise windows on focus */
 487         struct layout           *cur_layout;    /* current layout handlers */
 488         struct ws_win           *focus;         /* may be NULL */
 489         struct ws_win           *focus_prev;    /* may be NULL */
 490         struct swm_region       *r;             /* may be NULL */
 491         struct swm_region       *old_r;         /* may be NULL */
 492         struct ws_win_list      winlist;        /* list of windows in ws */
 493         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 494         char                    stacker[10];    /* display stacker and layout */
 495
 496         /* stacker state */
 497         struct {
 498                                 int horizontal_msize;
 499                                 int horizontal_mwin;
 500                                 int horizontal_stacks;
 501                                 int horizontal_flip;
 502                                 int vertical_msize;
 503                                 int vertical_mwin;
 504                                 int vertical_stacks;
 505                                 int vertical_flip;
 506         } l_state;
 507 };
 508
 509 enum {
 510         SWM_S_COLOR_BAR,
 511         SWM_S_COLOR_BAR_BORDER,
 512         SWM_S_COLOR_BAR_FONT,
 513         SWM_S_COLOR_FOCUS,
 514         SWM_S_COLOR_UNFOCUS,
 515         SWM_S_COLOR_MAX
 516 };
 517
 518 /* physical screen mapping */
 519 #define SWM_WS_MAX              (22)    /* hard limit */
 520 int             workspace_limit = 10;   /* soft limit */
 521
 522 struct swm_screen {
 523         int                     idx;    /* screen index */
 524         struct swm_region_list  rl;     /* list of regions on this screen */
 525         struct swm_region_list  orl;    /* list of old regions */
 526         xcb_window_t            root;
 527         struct workspace        ws[SWM_WS_MAX];
 528
 529         /* colors */
 530         struct {
 531                 uint32_t        pixel;
 532                 char            *name;
 533         } c[SWM_S_COLOR_MAX];
 534
 535         xcb_gcontext_t          bar_gc;
 536         GC                      bar_gc_legacy;
 537 };
 538 struct swm_screen       *screens;
 539
 540 /* args to functions */
 541 union arg {
 542         int                     id;
 543 #define SWM_ARG_ID_FOCUSNEXT    (0)
 544 #define SWM_ARG_ID_FOCUSPREV    (1)
 545 #define SWM_ARG_ID_FOCUSMAIN    (2)
 546 #define SWM_ARG_ID_FOCUSCUR     (4)
 547 #define SWM_ARG_ID_SWAPNEXT     (10)
 548 #define SWM_ARG_ID_SWAPPREV     (11)
 549 #define SWM_ARG_ID_SWAPMAIN     (12)
 550 #define SWM_ARG_ID_MOVELAST     (13)
 551 #define SWM_ARG_ID_MASTERSHRINK (20)
 552 #define SWM_ARG_ID_MASTERGROW   (21)
 553 #define SWM_ARG_ID_MASTERADD    (22)
 554 #define SWM_ARG_ID_MASTERDEL    (23)
 555 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 556 #define SWM_ARG_ID_STACKRESET   (30)
 557 #define SWM_ARG_ID_STACKINIT    (31)
 558 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 559 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 560 #define SWM_ARG_ID_CYCLESC_UP   (42)
 561 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 562 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 563 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 564 #define SWM_ARG_ID_STACKINC     (50)
 565 #define SWM_ARG_ID_STACKDEC     (51)
 566 #define SWM_ARG_ID_SS_ALL       (60)
 567 #define SWM_ARG_ID_SS_WINDOW    (61)
 568 #define SWM_ARG_ID_DONTCENTER   (70)
 569 #define SWM_ARG_ID_CENTER       (71)
 570 #define SWM_ARG_ID_KILLWINDOW   (80)
 571 #define SWM_ARG_ID_DELETEWINDOW (81)
 572 #define SWM_ARG_ID_WIDTHGROW    (90)
 573 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 574 #define SWM_ARG_ID_HEIGHTGROW   (92)
 575 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 576 #define SWM_ARG_ID_MOVEUP       (100)
 577 #define SWM_ARG_ID_MOVEDOWN     (101)
 578 #define SWM_ARG_ID_MOVELEFT     (102)
 579 #define SWM_ARG_ID_MOVERIGHT    (103)
 580         char                    **argv;
 581 };
 582
 583 /* quirks */
 584 struct quirk {
 585         TAILQ_ENTRY(quirk)      entry;
 586         char                    *class;
 587         char                    *name;
 588         unsigned long           quirk;
 589 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 590 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 591 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 592 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 593 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 594 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 595 };
 596 TAILQ_HEAD(quirk_list, quirk);
 597 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 598
 599 /*
 600  * Supported EWMH hints should be added to
 601  * both the enum and the ewmh array
 602  */
 603 enum {
 604         _NET_ACTIVE_WINDOW,
 605         _NET_CLOSE_WINDOW,
 606         _NET_MOVERESIZE_WINDOW,
 607         _NET_WM_ACTION_CLOSE,
 608         _NET_WM_ACTION_FULLSCREEN,
 609         _NET_WM_ACTION_MOVE,
 610         _NET_WM_ACTION_RESIZE,
 611         _NET_WM_ALLOWED_ACTIONS,
 612         _NET_WM_NAME,
 613         _NET_WM_STATE,
 614         _NET_WM_STATE_ABOVE,
 615         _NET_WM_STATE_FULLSCREEN,
 616         _NET_WM_STATE_HIDDEN,
 617         _NET_WM_STATE_MAXIMIZED_HORZ,
 618         _NET_WM_STATE_MAXIMIZED_VERT,
 619         _NET_WM_STATE_SKIP_PAGER,
 620         _NET_WM_STATE_SKIP_TASKBAR,
 621         _NET_WM_WINDOW_TYPE,
 622         _NET_WM_WINDOW_TYPE_DIALOG,
 623         _NET_WM_WINDOW_TYPE_DOCK,
 624         _NET_WM_WINDOW_TYPE_NORMAL,
 625         _NET_WM_WINDOW_TYPE_SPLASH,
 626         _NET_WM_WINDOW_TYPE_TOOLBAR,
 627         _NET_WM_WINDOW_TYPE_UTILITY,
 628         _SWM_WM_STATE_MANUAL,
 629         SWM_EWMH_HINT_MAX
 630 };
 631
 632 struct ewmh_hint {
 633         char            *name;
 634         xcb_atom_t      atom;
 635 } ewmh[SWM_EWMH_HINT_MAX] =     {
 636     /* must be in same order as in the enum */
 637     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 638     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 639     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 640     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 641     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 642     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 643     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 644     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 645     {"_NET_WM_NAME", XCB_ATOM_NONE},
 646     {"_NET_WM_STATE", XCB_ATOM_NONE},
 647     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 648     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 649     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 650     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 651     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 652     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 653     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 654     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 655     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 656     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 657     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 658     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 659     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 660     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 661     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 662 };
 663
 664 /* function prototypes */
 665 void     buttonpress(xcb_button_press_event_t *);
 666 void     check_conn(void);
 667 void     clientmessage(xcb_client_message_event_t *);
 668 int      conf_load(char *, int);
 669 void     configurenotify(xcb_configure_notify_event_t *);
 670 void     configurerequest(xcb_configure_request_event_t *);
 671 void     constrain_window(struct ws_win *, struct swm_region *, int);
 672 void     destroynotify(xcb_destroy_notify_event_t *);
 673 void     do_sync(void);
 674 void     enternotify(xcb_enter_notify_event_t *);
 675 void     event_error(xcb_generic_error_t *);
 676 void     event_handle(xcb_generic_event_t *);
 677 char    *expand_tilde(char *);
 678 void     expose(xcb_expose_event_t *);
 679 struct ws_win   *find_window(xcb_window_t);
 680 int      floating_toggle_win(struct ws_win *);
 681 void     focus(struct swm_region *, union arg *);
 682 void     focus_magic(struct ws_win *);
 683 #ifdef SWM_DEBUG
 684 void     focusin(xcb_focus_in_event_t *);
 685 #endif
 686 xcb_atom_t get_atom_from_string(const char *);
 687 #ifdef SWM_DEBUG
 688 char    *get_atom_name(xcb_atom_t);
 689 char    *get_notify_detail_label(uint8_t);
 690 char    *get_notify_mode_label(uint8_t);
 691 #endif
 692 xcb_screen_t    *get_screen(int);
 693 char    *get_win_name(xcb_window_t);
 694 uint32_t getstate(xcb_window_t);
 695 void     grabbuttons(struct ws_win *, int);
 696 void     keypress(xcb_key_press_event_t *);
 697 #ifdef SWM_DEBUG
 698 void     leavenotify(xcb_leave_notify_event_t *);
 699 #endif
 700 void     map_window_raised(xcb_window_t);
 701 void     mapnotify(xcb_map_notify_event_t *);
 702 void     mappingnotify(xcb_mapping_notify_event_t *);
 703 void     maprequest(xcb_map_request_event_t *);
 704 void     new_region(struct swm_screen *, int, int, int, int);
 705 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 706 void     propertynotify(xcb_property_notify_event_t *);
 707 void     spawn_select(struct swm_region *, union arg *, char *, int *);
 708 void     screenchange(xcb_randr_screen_change_notify_event_t *);
 709 void     shutdown_cleanup(void);
 710 void     store_float_geom(struct ws_win *, struct swm_region *);
 711 void     unmanage_window(struct ws_win *);
 712 void     unmapnotify(xcb_unmap_notify_event_t *);
 713 void     update_window(struct ws_win *);
 714 /*void   visibilitynotify(xcb_visibility_notify_event_t *);*/
 715
 716 char *
 717 expand_tilde(char *s)
 718 {
 719         struct passwd           *ppwd;
 720         int                     i, max;
 721         char                    *user;
 722         const char              *sc = s;
 723         char                    *result;
 724
 725         if (s == NULL)
 726                 errx(1, "expand_tilde: NULL string.");
 727
 728         if (s[0] != '~') {
 729                 result = strdup(sc);
 730                 goto out;
 731         }
 732
 733         ++s;
 734
 735         if ((max = sysconf(_SC_LOGIN_NAME_MAX)) == -1)
 736                 errx(1, "expand_tilde: sysconf");
 737
 738         if ((user = calloc(1, max + 1)) == NULL)
 739                 errx(1, "expand_tilde: calloc");
 740
 741         for (i = 0; s[i] != '/' && s[i] != '\0'; ++i)
 742                 user[i] = s[i];
 743         user[i] = '\0';
 744         s = &s[i];
 745
 746         ppwd = strlen(user) == 0 ? getpwuid(getuid()) : getpwnam(user);
 747         if (ppwd == NULL)
 748                 result = strdup(sc);
 749         else
 750                 if (asprintf(&result, "%s%s", ppwd->pw_dir, s) == -1)
 751                         result = NULL;
 752 out:
 753         if (result == NULL)
 754                 errx(1, "expand_tilde: failed to allocate memory.");
 755
 756         return result;
 757 }
 758
 759 int
 760 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
 761 {
 762         unsigned int    tmpr, tmpg, tmpb;
 763
 764         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
 765                 return (-1);
 766
 767         *rr = RGB_8_TO_16(tmpr);
 768         *gg = RGB_8_TO_16(tmpg);
 769         *bb = RGB_8_TO_16(tmpb);
 770
 771         return (0);
 772 }
 773
 774 xcb_screen_t *
 775 get_screen(int screen)
 776 {
 777         const xcb_setup_t       *r;
 778         xcb_screen_iterator_t   iter;
 779
 780         if ((r = xcb_get_setup(conn)) == NULL) {
 781                 DNPRINTF(SWM_D_MISC, "get_screen: xcb_get_setup\n");
 782                 check_conn();
 783         }
 784
 785         iter = xcb_setup_roots_iterator(r);
 786         for (; iter.rem; --screen, xcb_screen_next(&iter))
 787                 if (screen == 0)
 788                         return (iter.data);
 789
 790         return (NULL);
 791 }
 792
 793 void
 794 do_sync(void)
 795 {
 796         xcb_get_input_focus_cookie_t    c;
 797         xcb_get_input_focus_reply_t     *r;
 798
 799         /* mimic XSync() */
 800         c = xcb_get_input_focus(conn);
 801         xcb_flush(conn);
 802         r = xcb_get_input_focus_reply(conn, c, NULL);
 803         if (r)
 804                 free(r);
 805 }
 806
 807 void
 808 map_window_raised(xcb_window_t win)
 809 {
 810         uint32_t        val = XCB_STACK_MODE_ABOVE;
 811
 812         xcb_configure_window(conn, win,
 813             XCB_CONFIG_WINDOW_STACK_MODE, &val);
 814
 815         xcb_map_window(conn, win);
 816 }
 817
 818 xcb_atom_t
 819 get_atom_from_string(const char *str)
 820 {
 821         xcb_intern_atom_cookie_t        c;
 822         xcb_intern_atom_reply_t         *r;
 823         xcb_atom_t                      atom;
 824
 825         c = xcb_intern_atom(conn, 0, strlen(str), str);
 826         r = xcb_intern_atom_reply(conn, c, NULL);
 827         if (r) {
 828                 atom = r->atom;
 829                 free(r);
 830
 831                 return (atom);
 832         }
 833
 834         return (XCB_ATOM_NONE);
 835 }
 836
 837 void
 838 update_iconic(struct ws_win *win, int newv)
 839 {
 840         int32_t                         v = newv;
 841
 842         win->iconic = newv;
 843
 844         if (newv)
 845                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 846                     a_swm_iconic, XCB_ATOM_INTEGER, 32, 1, &v);
 847         else
 848                 xcb_delete_property(conn, win->id, a_swm_iconic);
 849 }
 850
 851 int32_t
 852 get_iconic(struct ws_win *win)
 853 {
 854         int32_t                         v = 0;
 855         xcb_get_property_reply_t        *pr = NULL;
 856
 857
 858         pr = xcb_get_property_reply(conn,
 859             xcb_get_property(conn, 0, win->id, a_swm_iconic,
 860             XCB_ATOM_INTEGER, 0, 1), NULL);
 861         if (!pr)
 862                 goto out;
 863         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 864                 goto out;
 865         v = *((int32_t *)xcb_get_property_value(pr));
 866 out:
 867         if (pr)
 868                 free(pr);
 869         return (v);
 870 }
 871
 872 void
 873 setup_ewmh(void)
 874 {
 875         xcb_atom_t                      sup_list;
 876         int                             i, j, num_screens;
 877
 878         sup_list = get_atom_from_string("_NET_SUPPORTED");
 879
 880         for (i = 0; i < LENGTH(ewmh); i++)
 881                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 882
 883         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 884         for (i = 0; i < num_screens; i++) {
 885                 /* Support check window will be created by workaround(). */
 886
 887                 /* Report supported atoms */
 888                 xcb_delete_property(conn, screens[i].root, sup_list);
 889                 for (j = 0; j < LENGTH(ewmh); j++)
 890                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 891                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 892                             &ewmh[j].atom);
 893         }
 894 }
 895
 896 void
 897 teardown_ewmh(void)
 898 {
 899         int                             i, num_screens;
 900         xcb_atom_t                      sup_check, sup_list;
 901         xcb_window_t                    id;
 902         xcb_get_property_cookie_t       pc;
 903         xcb_get_property_reply_t        *pr;
 904
 905         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 906         sup_list = get_atom_from_string("_NET_SUPPORTED");
 907         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 908
 909         for (i = 0; i < num_screens; i++) {
 910                 /* Get the support check window and destroy it */
 911                 pc = xcb_get_property(conn, 0, screens[i].root, sup_check,
 912                     XCB_ATOM_WINDOW, 0, 1);
 913                 pr = xcb_get_property_reply(conn, pc, NULL);
 914                 if (!pr)
 915                         continue;
 916                 if (pr->format == sup_check) {
 917                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 918
 919                         xcb_destroy_window(conn, id);
 920                         xcb_delete_property(conn, screens[i].root, sup_check);
 921                         xcb_delete_property(conn, screens[i].root, sup_list);
 922                 }
 923                 free(pr);
 924         }
 925 }
 926
 927 void
 928 ewmh_autoquirk(struct ws_win *win)
 929 {
 930         uint32_t                i, n;
 931         xcb_atom_t              *type;
 932         xcb_get_property_cookie_t       c;
 933         xcb_get_property_reply_t        *r;
 934
 935         c = xcb_get_property(conn, 0, win->id,
 936             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
 937         r = xcb_get_property_reply(conn, c, NULL);
 938         if (!r)
 939                 return;
 940
 941         n = xcb_get_property_value_length(r);
 942         type = xcb_get_property_value(r);
 943
 944         for (i = 0; i < n; i++) {
 945                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 946                         break;
 947                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 948                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 949                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 950                         win->floating = 1;
 951                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 952                         break;
 953                 }
 954                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 955                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 956                         win->floating = 1;
 957                         win->quirks = SWM_Q_FLOAT;
 958                         break;
 959                 }
 960         }
 961         free(r);
 962 }
 963
 964 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 965 #define EWMH_F_FULLSCREEN               (1<<0)
 966 #define EWMH_F_ABOVE                    (1<<1)
 967 #define EWMH_F_HIDDEN                   (1<<2)
 968 #define EWMH_F_SKIP_PAGER               (1<<3)
 969 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 970 #define SWM_F_MANUAL                    (1<<5)
 971
 972 int
 973 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 974 {
 975         if (!win->ws->r)
 976                 return (0);
 977
 978         if (!win->floating)
 979                 return (0);
 980
 981         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
 982             "fullscreen %s\n", win->id, YESNO(fs));
 983
 984         if (fs) {
 985                 if (!win->g_floatvalid)
 986                         store_float_geom(win, win->ws->r);
 987
 988                 win->g = win->ws->r->g;
 989                 win->bordered = 0;
 990         } else {
 991                 if (win->g_floatvalid) {
 992                         /* refloat at last floating relative position */
 993                         win->g = win->g_float;
 994                         X(win) += X(win->ws->r);
 995                         Y(win) += Y(win->ws->r);
 996                 }
 997         }
 998
 999         return (1);
1000 }
1001
1002 void
1003 ewmh_update_actions(struct ws_win *win)
1004 {
1005         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
1006         int                     n = 0;
1007
1008         if (win == NULL)
1009                 return;
1010
1011         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
1012
1013         if (win->floating) {
1014                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
1015                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
1016         }
1017
1018         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1019             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
1020 }
1021
1022 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
1023 #define _NET_WM_STATE_ADD       1    /* add/set property */
1024 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
1025
1026 void
1027 ewmh_update_win_state(struct ws_win *win, xcb_atom_t state, long action)
1028 {
1029         unsigned int            mask = 0;
1030         unsigned int            changed = 0;
1031         unsigned int            orig_flags;
1032
1033         if (win == NULL)
1034                 return;
1035
1036         DNPRINTF(SWM_D_PROP, "ewmh_update_win_state: window: 0x%x, state: %ld, "
1037             "action: %ld\n", win->id, (unsigned long)state, action);
1038
1039         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1040                 mask = EWMH_F_FULLSCREEN;
1041         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
1042                 mask = EWMH_F_ABOVE;
1043         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1044                 mask = SWM_F_MANUAL;
1045         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
1046                 mask = EWMH_F_SKIP_PAGER;
1047         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
1048                 mask = EWMH_F_SKIP_TASKBAR;
1049
1050
1051         orig_flags = win->ewmh_flags;
1052
1053         switch (action) {
1054         case _NET_WM_STATE_REMOVE:
1055                 win->ewmh_flags &= ~mask;
1056                 break;
1057         case _NET_WM_STATE_ADD:
1058                 win->ewmh_flags |= mask;
1059                 break;
1060         case _NET_WM_STATE_TOGGLE:
1061                 win->ewmh_flags ^= mask;
1062                 break;
1063         }
1064
1065         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
1066
1067         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
1068                 if (changed)
1069                         if (!floating_toggle_win(win))
1070                                 win->ewmh_flags = orig_flags; /* revert */
1071         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1072                 if (changed)
1073                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
1074         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1075                 if (changed)
1076                         if (!ewmh_set_win_fullscreen(win,
1077                             win->ewmh_flags & EWMH_F_FULLSCREEN))
1078                                 win->ewmh_flags = orig_flags; /* revert */
1079
1080         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
1081
1082         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
1083                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1084                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1085                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
1086         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1087                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1088                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1089                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1090         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1091                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1092                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1093                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1094         if (win->ewmh_flags & EWMH_F_ABOVE)
1095                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1096                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1097                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1098         if (win->ewmh_flags & SWM_F_MANUAL)
1099                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1100                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1101                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1102 }
1103
1104 void
1105 ewmh_get_win_state(struct ws_win *win)
1106 {
1107         xcb_atom_t                      *states;
1108         xcb_get_property_cookie_t       c;
1109         xcb_get_property_reply_t        *r;
1110         int                             i, n;
1111
1112         if (win == NULL)
1113                 return;
1114
1115         win->ewmh_flags = 0;
1116         if (win->floating)
1117                 win->ewmh_flags |= EWMH_F_ABOVE;
1118         if (win->manual)
1119                 win->ewmh_flags |= SWM_F_MANUAL;
1120
1121         c = xcb_get_property(conn, 0, win->id, ewmh[_NET_WM_STATE].atom,
1122             XCB_ATOM_ATOM, 0, UINT32_MAX);
1123         r = xcb_get_property_reply(conn, c, NULL);
1124         if (!r)
1125                 return;
1126
1127         states = xcb_get_property_value(r);
1128         n = xcb_get_property_value_length(r);
1129
1130         for (i = 0; i < n; i++)
1131                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1132
1133         free(r);
1134 }
1135
1136 /* events */
1137 #ifdef SWM_DEBUG
1138 void
1139 dumpwins(struct swm_region *r, union arg *args)
1140 {
1141         struct ws_win                           *win;
1142         uint32_t                                state;
1143         xcb_get_window_attributes_cookie_t      c;
1144         xcb_get_window_attributes_reply_t       *wa;
1145
1146         /* suppress unused warning since var is needed */
1147         (void)args;
1148
1149         if (r->ws == NULL) {
1150                 warnx("dumpwins: invalid workspace");
1151                 return;
1152         }
1153
1154         warnx("=== managed window list ws %02d ===", r->ws->idx);
1155         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1156                 state = getstate(win->id);
1157                 c = xcb_get_window_attributes(conn, win->id);
1158                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1159                 if (wa) {
1160                         warnx("window: 0x%x, map_state: %d, state: %u, "
1161                             "transient: 0x%x", win->id, wa->map_state,
1162                             state, win->transient);
1163                         free(wa);
1164                 } else
1165                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1166                             win->id);
1167         }
1168
1169         warnx("===== unmanaged window list =====");
1170         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1171                 state = getstate(win->id);
1172                 c = xcb_get_window_attributes(conn, win->id);
1173                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1174                 if (wa) {
1175                         warnx("window: 0x%x, map_state: %d, state: %u, "
1176                             "transient: 0x%x", win->id, wa->map_state,
1177                             state, win->transient);
1178                         free(wa);
1179                 } else
1180                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1181                             win->id);
1182         }
1183
1184         warnx("=================================");
1185 }
1186 #else
1187 void
1188 dumpwins(struct swm_region *r, union arg *s)
1189 {
1190         (void)r;
1191         (void)s;
1192 }
1193 #endif /* SWM_DEBUG */
1194
1195 void
1196 sighdlr(int sig)
1197 {
1198         int                     saved_errno, status;
1199         pid_t                   pid;
1200
1201         saved_errno = errno;
1202
1203         switch (sig) {
1204         case SIGCHLD:
1205                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1206                         if (pid == -1) {
1207                                 if (errno == EINTR)
1208                                         continue;
1209 #ifdef SWM_DEBUG
1210                                 if (errno != ECHILD)
1211                                         warn("sighdlr: waitpid");
1212 #endif /* SWM_DEBUG */
1213                                 break;
1214                         }
1215                         if (pid == searchpid)
1216                                 search_resp = 1;
1217
1218 #ifdef SWM_DEBUG
1219                         if (WIFEXITED(status)) {
1220                                 if (WEXITSTATUS(status) != 0)
1221                                         warnx("sighdlr: child exit status: %d",
1222                                             WEXITSTATUS(status));
1223                         } else
1224                                 warnx("sighdlr: child is terminated "
1225                                     "abnormally");
1226 #endif /* SWM_DEBUG */
1227                 }
1228                 break;
1229
1230         case SIGHUP:
1231                 restart_wm = 1;
1232                 break;
1233         case SIGINT:
1234         case SIGTERM:
1235         case SIGQUIT:
1236                 running = 0;
1237                 break;
1238         }
1239
1240         errno = saved_errno;
1241 }
1242
1243 struct pid_e *
1244 find_pid(pid_t pid)
1245 {
1246         struct pid_e            *p = NULL;
1247
1248         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1249
1250         if (pid == 0)
1251                 return (NULL);
1252
1253         TAILQ_FOREACH(p, &pidlist, entry) {
1254                 if (p->pid == pid)
1255                         return (p);
1256         }
1257
1258         return (NULL);
1259 }
1260
1261 uint32_t
1262 name_to_pixel(const char *colorname)
1263 {
1264         uint32_t                        result = 0;
1265         char                            cname[32] = "#";
1266         xcb_screen_t                    *screen;
1267         xcb_colormap_t                  cmap;
1268         xcb_alloc_color_reply_t         *cr;
1269         xcb_alloc_named_color_reply_t   *nr;
1270         uint16_t                        rr, gg, bb;
1271
1272         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1273         cmap = screen->default_colormap;
1274
1275         /* color is in format rgb://rr/gg/bb */
1276         if (strncmp(colorname, "rgb:", 4) == 0) {
1277                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1278                         warnx("could not parse rgb %s", colorname);
1279                 else {
1280                         cr = xcb_alloc_color_reply(conn,
1281                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1282                             NULL);
1283                         if (cr) {
1284                                 result = cr->pixel;
1285                                 free(cr);
1286                         } else
1287                                 warnx("color '%s' not found", colorname);
1288                 }
1289         } else {
1290                 nr = xcb_alloc_named_color_reply(conn,
1291                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1292                             colorname), NULL);
1293                 if (!nr) {
1294                         strlcat(cname, colorname + 2, sizeof cname - 1);
1295                         nr = xcb_alloc_named_color_reply(conn,
1296                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1297                             cname), NULL);
1298                 }
1299                 if (nr) {
1300                         result = nr->pixel;
1301                         free(nr);
1302                 } else
1303                         warnx("color '%s' not found", colorname);
1304         }
1305
1306         return (result);
1307 }
1308
1309 void
1310 setscreencolor(char *val, int i, int c)
1311 {
1312         int     num_screens;
1313
1314         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1315         if (i > 0 && i <= num_screens) {
1316                 screens[i - 1].c[c].pixel = name_to_pixel(val);
1317                 free(screens[i - 1].c[c].name);
1318                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1319                         err(1, "strdup");
1320         } else if (i == -1) {
1321                 for (i = 0; i < num_screens; i++) {
1322                         screens[i].c[c].pixel = name_to_pixel(val);
1323                         free(screens[i].c[c].name);
1324                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1325                                 err(1, "strdup");
1326                 }
1327         } else
1328                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1329                     i, num_screens);
1330 }
1331
1332 void
1333 fancy_stacker(struct workspace *ws)
1334 {
1335         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1336         if (ws->cur_layout->l_stack == vertical_stack)
1337                 snprintf(ws->stacker, sizeof ws->stacker,
1338                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1339                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1340         if (ws->cur_layout->l_stack == horizontal_stack)
1341                 snprintf(ws->stacker, sizeof ws->stacker,
1342                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1343                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1344 }
1345
1346 void
1347 plain_stacker(struct workspace *ws)
1348 {
1349         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1350         if (ws->cur_layout->l_stack == vertical_stack)
1351                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1352                     sizeof ws->stacker);
1353         if (ws->cur_layout->l_stack == horizontal_stack)
1354                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1355                     sizeof ws->stacker);
1356 }
1357
1358 void
1359 custom_region(char *val)
1360 {
1361         unsigned int                    x, y, w, h;
1362         int                             sidx, num_screens;
1363         xcb_screen_t                    *screen;
1364
1365         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1366         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1367                 errx(1, "invalid custom region, "
1368                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1369         if (sidx < 1 || sidx > num_screens)
1370                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1371                     sidx, num_screens);
1372         sidx--;
1373
1374         if ((screen = get_screen(sidx)) == NULL)
1375                 errx(1, "ERROR: can't get screen %d.", sidx);
1376
1377         if (w < 1 || h < 1)
1378                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1379
1380         if (x > screen->width_in_pixels ||
1381             y > screen->height_in_pixels ||
1382             w + x > screen->width_in_pixels ||
1383             h + y > screen->height_in_pixels) {
1384                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1385                     "boundaries (%ux%u)", w, h, x, y,
1386                     screen->width_in_pixels, screen->height_in_pixels);
1387                 return;
1388         }
1389
1390         new_region(&screens[sidx], x, y, w, h);
1391 }
1392
1393 void
1394 socket_setnonblock(int fd)
1395 {
1396         int                     flags;
1397
1398         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1399                 err(1, "fcntl F_GETFL");
1400         flags |= O_NONBLOCK;
1401         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1402                 err(1, "fcntl F_SETFL");
1403 }
1404
1405 void
1406 bar_print_legacy(struct swm_region *r, const char *s)
1407 {
1408         xcb_rectangle_t         rect;
1409         uint32_t                gcv[1];
1410         XGCValues               gcvd;
1411         int                     x = 0;
1412         size_t                  len;
1413         XRectangle              ibox, lbox;
1414         GC                      draw;
1415
1416         len = strlen(s);
1417         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1418
1419         switch (bar_justify) {
1420         case SWM_BAR_JUSTIFY_LEFT:
1421                 x = SWM_BAR_OFFSET;
1422                 break;
1423         case SWM_BAR_JUSTIFY_CENTER:
1424                 x = (WIDTH(r) - lbox.width) / 2;
1425                 break;
1426         case SWM_BAR_JUSTIFY_RIGHT:
1427                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1428                 break;
1429         }
1430
1431         if (x < SWM_BAR_OFFSET)
1432                 x = SWM_BAR_OFFSET;
1433
1434         rect.x = 0;
1435         rect.y = 0;
1436         rect.width = WIDTH(r->bar);
1437         rect.height = HEIGHT(r->bar);
1438
1439         /* clear back buffer */
1440         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1441         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1442         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc,
1443             sizeof(rect), &rect);
1444
1445         /* draw back buffer */
1446         gcvd.graphics_exposures = 0;
1447         draw = XCreateGC(display, r->bar->buffer, GCGraphicsExposures, &gcvd);
1448         XSetForeground(display, draw, r->s->c[SWM_S_COLOR_BAR_FONT].pixel);
1449         DRAWSTRING(display, r->bar->buffer, bar_fs, draw,
1450             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1451             lbox.y, s, len);
1452         XFreeGC(display, draw);
1453
1454         /* blt */
1455         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1456             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1457 }
1458
1459 void
1460 bar_print(struct swm_region *r, const char *s)
1461 {
1462         size_t                          len;
1463         xcb_rectangle_t                 rect;
1464         uint32_t                        gcv[1];
1465         int32_t                         x = 0;
1466         XGlyphInfo                      info;
1467         XftDraw                         *draw;
1468
1469         len = strlen(s);
1470
1471         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
1472
1473         switch (bar_justify) {
1474         case SWM_BAR_JUSTIFY_LEFT:
1475                 x = SWM_BAR_OFFSET;
1476                 break;
1477         case SWM_BAR_JUSTIFY_CENTER:
1478                 x = (WIDTH(r) - info.width) / 2;
1479                 break;
1480         case SWM_BAR_JUSTIFY_RIGHT:
1481                 x = WIDTH(r) - info.width - SWM_BAR_OFFSET;
1482                 break;
1483         }
1484
1485         if (x < SWM_BAR_OFFSET)
1486                 x = SWM_BAR_OFFSET;
1487
1488         rect.x = 0;
1489         rect.y = 0;
1490         rect.width = WIDTH(r->bar);
1491         rect.height = HEIGHT(r->bar);
1492
1493         /* clear back buffer */
1494         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1495         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1496         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc,
1497             sizeof(rect), &rect);
1498
1499         /* draw back buffer */
1500         draw = XftDrawCreate(display, r->bar->buffer,
1501             DefaultVisual(display, r->s->idx),
1502             DefaultColormap(display, r->s->idx));
1503
1504         XftDrawStringUtf8(draw, &bar_font_color, bar_font, x,
1505             (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
1506             (FcChar8 *)s, len);
1507
1508         XftDrawDestroy(draw);
1509
1510         /* blt */
1511         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1512             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1513 }
1514
1515 void
1516 bar_extra_stop(void)
1517 {
1518         if (bar_pipe[0]) {
1519                 close(bar_pipe[0]);
1520                 bzero(bar_pipe, sizeof bar_pipe);
1521         }
1522         if (bar_pid) {
1523                 kill(bar_pid, SIGTERM);
1524                 bar_pid = 0;
1525         }
1526         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1527         bar_extra = 0;
1528 }
1529
1530 void
1531 bar_class_name(char *s, size_t sz, struct swm_region *r)
1532 {
1533         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1534                 return;
1535         if (r->ws->focus->ch.class_name != NULL)
1536                 strlcat(s, r->ws->focus->ch.class_name, sz);
1537 }
1538
1539 void
1540 bar_title_name(char *s, size_t sz, struct swm_region *r)
1541 {
1542         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1543                 return;
1544         if (r->ws->focus->ch.instance_name != NULL)
1545                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1546 }
1547
1548 void
1549 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1550 {
1551         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1552                 return;
1553
1554         bar_class_name(s, sz, r);
1555         strlcat(s, ":", sz);
1556         bar_title_name(s, sz, r);
1557 }
1558
1559 void
1560 bar_window_float(char *s, size_t sz, struct swm_region *r)
1561 {
1562         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1563                 return;
1564         if (r->ws->focus->floating)
1565                 strlcat(s, "(f)", sz);
1566 }
1567
1568 void
1569 bar_window_name(char *s, size_t sz, struct swm_region *r)
1570 {
1571         char            *title;
1572
1573         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1574                 return;
1575         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1576                 return;
1577
1578         strlcat(s, title, sz);
1579         free(title);
1580 }
1581
1582 int             urgent[SWM_WS_MAX];
1583 void
1584 bar_urgent(char *s, size_t sz)
1585 {
1586         struct ws_win           *win;
1587         int                     i, j, num_screens;
1588         char                    b[8];
1589         xcb_get_property_cookie_t       c;
1590         xcb_icccm_wm_hints_t    hints;
1591
1592         for (i = 0; i < workspace_limit; i++)
1593                 urgent[i] = 0;
1594
1595         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1596         for (i = 0; i < num_screens; i++)
1597                 for (j = 0; j < workspace_limit; j++)
1598                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1599                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1600                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1601                                     &hints, NULL) == 0)
1602                                         continue;
1603                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1604                                         urgent[j] = 1;
1605                         }
1606
1607         for (i = 0; i < workspace_limit; i++) {
1608                 if (urgent[i])
1609                         snprintf(b, sizeof b, "%d ", i + 1);
1610                 else
1611                         snprintf(b, sizeof b, "- ");
1612                 strlcat(s, b, sz);
1613         }
1614 }
1615
1616 void
1617 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1618 {
1619         if (r == NULL || r->ws == NULL)
1620                 return;
1621         if (r->ws->name != NULL)
1622                 strlcat(s, r->ws->name, sz);
1623 }
1624
1625 /* build the default bar format according to the defined enabled options */
1626 void
1627 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1628 {
1629         /* if format provided, just copy the buffers */
1630         if (bar_format != NULL) {
1631                 strlcpy(fmtnew, fmtexp, sz);
1632                 return;
1633         }
1634
1635         /* reset the output buffer */
1636         *fmtnew = '\0';
1637
1638         strlcat(fmtnew, "+N:+I ", sz);
1639         if (stack_enabled)
1640                 strlcat(fmtnew, "+S", sz);
1641         strlcat(fmtnew, " ", sz);
1642
1643         /* only show the workspace name if there's actually one */
1644         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1645                 strlcat(fmtnew, "<+D>", sz);
1646         strlcat(fmtnew, "+3<", sz);
1647
1648         if (clock_enabled) {
1649                 strlcat(fmtnew, fmtexp, sz);
1650                 strlcat(fmtnew, "+4<", sz);
1651         }
1652
1653         /* bar_urgent already adds the space before the last asterisk */
1654         if (urgent_enabled)
1655                 strlcat(fmtnew, "* +U*+4<", sz);
1656
1657         if (title_class_enabled) {
1658                 strlcat(fmtnew, "+C", sz);
1659                 if (title_name_enabled == 0)
1660                         strlcat(fmtnew, "+4<", sz);
1661         }
1662
1663         /* checks needed by the colon and floating strlcat(3) calls below */
1664         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1665                 if (title_name_enabled) {
1666                         if (title_class_enabled)
1667                                 strlcat(fmtnew, ":", sz);
1668                         strlcat(fmtnew, "+T+4<", sz);
1669                 }
1670                 if (window_name_enabled) {
1671                         if (r->ws->focus->floating)
1672                                 strlcat(fmtnew, "+F ", sz);
1673                         strlcat(fmtnew, "+64W ", sz);
1674                 }
1675         }
1676
1677         /* finally add the action script output and the version */
1678         strlcat(fmtnew, "+4<+A+4<+V", sz);
1679 }
1680
1681 void
1682 bar_replace_pad(char *tmp, int *limit, size_t sz)
1683 {
1684         /* special case; no limit given, pad one space, instead */
1685         if (*limit == (int)sz - 1)
1686                 *limit = 1;
1687         snprintf(tmp, sz, "%*s", *limit, " ");
1688 }
1689
1690 /* replaces the bar format character sequences (like in tmux(1)) */
1691 char *
1692 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1693     size_t sz)
1694 {
1695         char                    *ptr;
1696         char                    tmp[SWM_BAR_MAX];
1697         int                     limit, size;
1698         size_t                  len;
1699
1700         /* reset strlcat(3) buffer */
1701         *tmp = '\0';
1702
1703         /* get number, if any */
1704         fmt++;
1705         size = 0;
1706         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1707                 limit = sizeof tmp - 1;
1708         if (limit <= 0 || limit >= (int)sizeof tmp)
1709                 limit = sizeof tmp - 1;
1710
1711         /* there is nothing to replace (ie EOL) */
1712         fmt += size;
1713         if (*fmt == '\0')
1714                 return (fmt);
1715
1716         switch (*fmt) {
1717         case '<':
1718                 bar_replace_pad(tmp, &limit, sizeof tmp);
1719                 break;
1720         case 'A':
1721                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1722                 break;
1723         case 'C':
1724                 bar_class_name(tmp, sizeof tmp, r);
1725                 break;
1726         case 'D':
1727                 bar_workspace_name(tmp, sizeof tmp, r);
1728                 break;
1729         case 'F':
1730                 bar_window_float(tmp, sizeof tmp, r);
1731                 break;
1732         case 'I':
1733                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1734                 break;
1735         case 'N':
1736                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1737                 break;
1738         case 'P':
1739                 bar_class_title_name(tmp, sizeof tmp, r);
1740                 break;
1741         case 'S':
1742                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1743                 break;
1744         case 'T':
1745                 bar_title_name(tmp, sizeof tmp, r);
1746                 break;
1747         case 'U':
1748                 bar_urgent(tmp, sizeof tmp);
1749                 break;
1750         case 'V':
1751                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1752                 break;
1753         case 'W':
1754                 bar_window_name(tmp, sizeof tmp, r);
1755                 break;
1756         default:
1757                 /* unknown character sequence; copy as-is */
1758                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1759                 break;
1760         }
1761
1762         len = strlen(tmp);
1763         ptr = tmp;
1764         if ((int)len < limit)
1765                 limit = len;
1766         while (limit-- > 0) {
1767                 if (*offrep >= sz - 1)
1768                         break;
1769                 fmtrep[(*offrep)++] = *ptr++;
1770         }
1771
1772         fmt++;
1773         return (fmt);
1774 }
1775
1776 void
1777 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1778 {
1779         size_t                  off;
1780
1781         off = 0;
1782         while (*fmt != '\0') {
1783                 if (*fmt != '+') {
1784                         /* skip ordinary characters */
1785                         if (off >= sz - 1)
1786                                 break;
1787                         fmtrep[off++] = *fmt++;
1788                         continue;
1789                 }
1790
1791                 /* character sequence found; replace it */
1792                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1793                 if (off >= sz - 1)
1794                         break;
1795         }
1796
1797         fmtrep[off] = '\0';
1798 }
1799
1800 void
1801 bar_fmt_expand(char *fmtexp, size_t sz)
1802 {
1803         char                    *fmt = NULL;
1804         size_t                  len;
1805         struct tm               tm;
1806         time_t                  tmt;
1807
1808         /* start by grabbing the current time and date */
1809         time(&tmt);
1810         localtime_r(&tmt, &tm);
1811
1812         /* figure out what to expand */
1813         if (bar_format != NULL)
1814                 fmt = bar_format;
1815         else if (bar_format == NULL && clock_enabled)
1816                 fmt = clock_format;
1817         /* if nothing to expand bail out */
1818         if (fmt == NULL) {
1819                 *fmtexp = '\0';
1820                 return;
1821         }
1822
1823         /* copy as-is, just in case the format shouldn't be expanded below */
1824         strlcpy(fmtexp, fmt, sz);
1825         /* finally pass the string through strftime(3) */
1826 #ifndef SWM_DENY_CLOCK_FORMAT
1827         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1828                 warnx("format too long");
1829         fmtexp[len] = '\0';
1830 #endif
1831 }
1832
1833 void
1834 bar_fmt_print(void)
1835 {
1836         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1837         char                    fmtrep[SWM_BAR_MAX];
1838         int                     i, num_screens;
1839         struct swm_region       *r;
1840
1841         /* expand the format by first passing it through strftime(3) */
1842         bar_fmt_expand(fmtexp, sizeof fmtexp);
1843
1844         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1845         for (i = 0; i < num_screens; i++) {
1846                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1847                         if (r->bar == NULL)
1848                                 continue;
1849                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1850                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1851                         if (bar_font_legacy)
1852                                 bar_print_legacy(r, fmtrep);
1853                         else
1854                                 bar_print(r, fmtrep);
1855                 }
1856         }
1857 }
1858
1859 void
1860 bar_update(void)
1861 {
1862         size_t                  len;
1863         char                    *b;
1864
1865         if (bar_enabled == 0)
1866                 return;
1867         if (bar_extra && bar_extra_running) {
1868                 /* ignore short reads; it'll correct itself */
1869                 while ((b = fgetln(stdin, &len)) != NULL)
1870                         if (b && b[len - 1] == '\n') {
1871                                 b[len - 1] = '\0';
1872                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1873                         }
1874                 if (b == NULL && errno != EAGAIN) {
1875                         warn("bar_update: bar_extra failed");
1876                         bar_extra_stop();
1877                 }
1878         } else
1879                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1880
1881         bar_fmt_print();
1882         alarm(bar_delay);
1883 }
1884
1885 void
1886 bar_signal(int sig)
1887 {
1888         /* suppress unused warning since var is needed */
1889         (void)sig;
1890
1891         bar_alarm = 1;
1892 }
1893
1894 void
1895 bar_toggle(struct swm_region *r, union arg *args)
1896 {
1897         struct swm_region       *tmpr;
1898         int                     i, num_screens;
1899
1900         /* suppress unused warnings since vars are needed */
1901         (void)r;
1902         (void)args;
1903
1904         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1905
1906         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1907         if (bar_enabled) {
1908                 for (i = 0; i < num_screens; i++)
1909                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1910                                 if (tmpr->bar)
1911                                         xcb_unmap_window(conn, tmpr->bar->id);
1912         } else {
1913                 for (i = 0; i < num_screens; i++)
1914                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1915                                 if (tmpr->bar)
1916                                         map_window_raised(tmpr->bar->id);
1917         }
1918
1919         bar_enabled = !bar_enabled;
1920
1921         stack();
1922         /* must be after stack */
1923         bar_update();
1924
1925         xcb_flush(conn);
1926 }
1927
1928 void
1929 bar_refresh(void)
1930 {
1931         struct swm_region       *r;
1932         uint32_t                wa[2];
1933         int                     i, num_screens;
1934
1935         /* do this here because the conf file is in memory */
1936         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1937                 /* launch external status app */
1938                 bar_extra_running = 1;
1939                 if (pipe(bar_pipe) == -1)
1940                         err(1, "pipe error");
1941                 socket_setnonblock(bar_pipe[0]);
1942                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1943                 if (dup2(bar_pipe[0], 0) == -1)
1944                         err(1, "dup2");
1945                 if (dup2(bar_pipe[1], 1) == -1)
1946                         err(1, "dup2");
1947                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1948                         err(1, "could not disable SIGPIPE");
1949                 switch (bar_pid = fork()) {
1950                 case -1:
1951                         err(1, "cannot fork");
1952                         break;
1953                 case 0: /* child */
1954                         close(bar_pipe[0]);
1955                         execvp(bar_argv[0], bar_argv);
1956                         err(1, "%s external app failed", bar_argv[0]);
1957                         break;
1958                 default: /* parent */
1959                         close(bar_pipe[1]);
1960                         break;
1961                 }
1962         }
1963
1964         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1965         for (i = 0; i < num_screens; i++)
1966                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1967                         if (r->bar == NULL)
1968                                 continue;
1969                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].pixel;
1970                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].pixel;
1971                         xcb_change_window_attributes(conn, r->bar->id,
1972                             XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1973                 }
1974         bar_update();
1975 }
1976
1977 int
1978 isxlfd(char *s)
1979 {
1980         int      count = 0;
1981
1982         while ((s = index(s, '-'))) {
1983                 ++count;
1984                 ++s;
1985         }
1986
1987         return (count == 14);
1988 }
1989
1990 void
1991 fontset_init()
1992 {
1993         char                    *default_string;
1994         char                    **missing_charsets;
1995         int                     num_missing_charsets = 0;
1996         int                     i;
1997
1998         if (bar_fs) {
1999                 XFreeFontSet(display, bar_fs);
2000                 bar_fs = NULL;
2001         }
2002
2003         DNPRINTF(SWM_D_INIT, "fontset_init: loading bar_fonts: %s\n", bar_fonts);
2004
2005         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
2006             &num_missing_charsets, &default_string);
2007
2008         if (num_missing_charsets > 0) {
2009                 warnx("Unable to load charset(s):");
2010
2011                 for (i = 0; i < num_missing_charsets; ++i)
2012                         warnx("%s", missing_charsets[i]);
2013
2014                 XFreeStringList(missing_charsets);
2015
2016                 if (strcmp(default_string, ""))
2017                         warnx("Glyphs from those sets will be replaced "
2018                             "by '%s'.", default_string);
2019                 else
2020                         warnx("Glyphs from those sets won't be drawn.");
2021         }
2022
2023         if (bar_fs == NULL)
2024                 errx(1, "Error creating font set structure.");
2025
2026         bar_fs_extents = XExtentsOfFontSet(bar_fs);
2027
2028         bar_height = bar_fs_extents->max_logical_extent.height +
2029             2 * bar_border_width;
2030
2031         if (bar_height < 1)
2032                 bar_height = 1;
2033 }
2034
2035 void
2036 xft_init(struct swm_region *r)
2037 {
2038         char                    *font, *d, *search;
2039         XRenderColor            color;
2040
2041         if (bar_font == NULL) {
2042                 if ((d = strdup(bar_fonts)) == NULL)
2043                         errx(1, "insufficient memory.");
2044                 search = d;
2045                 while ((font = strsep(&search, ",")) != NULL) {
2046                         if (*font == '\0')
2047                                 continue;
2048
2049                         DNPRINTF(SWM_D_INIT, "xft_init: try font %s\n", font);
2050
2051                         if (isxlfd(font)) {
2052                                 bar_font = XftFontOpenXlfd(display, r->s->idx,
2053                                                 font);
2054                         } else {
2055                                 bar_font = XftFontOpenName(display, r->s->idx,
2056                                                 font);
2057                         }
2058
2059                         if (!bar_font) {
2060                                 warnx("unable to load font %s", font);
2061                                 continue;
2062                         } else {
2063                                 DNPRINTF(SWM_D_INIT, "successfully opened "
2064                                     "font %s\n", font);
2065                                 break;
2066                         }
2067                 }
2068                 free(d);
2069         }
2070
2071         if (bar_font == NULL)
2072                 errx(1, "unable to open a font");
2073
2074         PIXEL_TO_XRENDERCOLOR(r->s->c[SWM_S_COLOR_BAR_FONT].pixel, color);
2075
2076         if (!XftColorAllocValue(display, DefaultVisual(display, r->s->idx),
2077             DefaultColormap(display, r->s->idx), &color, &bar_font_color))
2078                 warn("unable to allocate Xft color");
2079
2080         bar_height = bar_font->height + 2 * bar_border_width;
2081
2082         if (bar_height < 1)
2083                 bar_height = 1;
2084 }
2085
2086 void
2087 bar_setup(struct swm_region *r)
2088 {
2089         xcb_screen_t    *screen;
2090         uint32_t         wa[3];
2091
2092         DNPRINTF(SWM_D_BAR, "bar_setup: screen %d.\n",
2093             r->s->idx);
2094
2095         if ((screen = get_screen(r->s->idx)) == NULL)
2096                 errx(1, "ERROR: can't get screen %d.", r->s->idx);
2097
2098         if (r->bar != NULL)
2099                 return;
2100
2101         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
2102                 err(1, "bar_setup: calloc: failed to allocate memory.");
2103
2104         if (bar_font_legacy)
2105                 fontset_init();
2106         else
2107                 xft_init(r);
2108
2109         X(r->bar) = X(r);
2110         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
2111         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
2112         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
2113
2114         r->bar->id = xcb_generate_id(conn);
2115         wa[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
2116         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].pixel;
2117         wa[2] = XCB_EVENT_MASK_EXPOSURE;
2118
2119         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
2120             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
2121             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
2122             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
2123             | XCB_CW_EVENT_MASK, wa);
2124
2125         r->bar->buffer = xcb_generate_id(conn);
2126         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
2127             WIDTH(r->bar), HEIGHT(r->bar));
2128
2129         if (xrandr_support)
2130                 xcb_randr_select_input(conn, r->bar->id,
2131                     XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
2132
2133         if (bar_enabled)
2134                 map_window_raised(r->bar->id);
2135
2136         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
2137             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
2138             HEIGHT(r->bar));
2139
2140         if (signal(SIGALRM, bar_signal) == SIG_ERR)
2141                 err(1, "could not install bar_signal");
2142         bar_refresh();
2143 }
2144
2145 void
2146 bar_cleanup(struct swm_region *r)
2147 {
2148         if (r->bar == NULL)
2149                 return;
2150         xcb_destroy_window(conn, r->bar->id);
2151         xcb_free_pixmap(conn, r->bar->buffer);
2152         free(r->bar);
2153         r->bar = NULL;
2154 }
2155
2156 void
2157 set_win_state(struct ws_win *win, uint16_t state)
2158 {
2159         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2160
2161         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
2162
2163         if (win == NULL)
2164                 return;
2165
2166         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
2167             a_state, 32, 2, data);
2168 }
2169
2170 uint32_t
2171 getstate(xcb_window_t w)
2172 {
2173         uint32_t                        result = 0;
2174         xcb_get_property_cookie_t       c;
2175         xcb_get_property_reply_t        *r;
2176
2177         c = xcb_get_property(conn, 0, w, a_state, a_state, 0L, 2L);
2178         r = xcb_get_property_reply(conn, c, NULL);
2179
2180         if (r) {
2181                 if (r->type == a_state && r->format == 32 && r->length == 2)
2182                         result = *((uint32_t *)xcb_get_property_value(r));
2183                 free(r);
2184         }
2185
2186         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
2187             result);
2188         return (result);
2189 }
2190
2191 void
2192 version(struct swm_region *r, union arg *args)
2193 {
2194         /* suppress unused warnings since vars are needed */
2195         (void)r;
2196         (void)args;
2197
2198         bar_version = !bar_version;
2199         if (bar_version)
2200                 snprintf(bar_vertext, sizeof bar_vertext,
2201                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2202         else
2203                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2204         bar_update();
2205
2206         xcb_flush(conn);
2207 }
2208
2209 void
2210 client_msg(struct ws_win *win, xcb_atom_t a)
2211 {
2212         xcb_client_message_event_t      ev;
2213
2214         if (win == NULL)
2215                 return;
2216
2217         bzero(&ev, sizeof ev);
2218         ev.response_type = XCB_CLIENT_MESSAGE;
2219         ev.window = win->id;
2220         ev.type = a_prot;
2221         ev.format = 32;
2222         ev.data.data32[0] = a;
2223         ev.data.data32[1] = XCB_CURRENT_TIME;
2224
2225         xcb_send_event(conn, 0, win->id,
2226             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2227 }
2228
2229 /* synthetic response to a ConfigureRequest when not making a change */
2230 void
2231 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2232 {
2233         xcb_configure_notify_event_t ce;
2234
2235         if (win == NULL)
2236                 return;
2237
2238         /* send notification of unchanged state. */
2239         bzero(&ce, sizeof(ce));
2240         ce.response_type = XCB_CONFIGURE_NOTIFY;
2241         ce.x = X(win);
2242         ce.y = Y(win);
2243         ce.width = WIDTH(win);
2244         ce.height = HEIGHT(win);
2245         ce.override_redirect = 0;
2246
2247         if (ev == NULL) {
2248                 /* EWMH */
2249                 ce.event = win->id;
2250                 ce.window = win->id;
2251                 ce.border_width = BORDER(win);
2252                 ce.above_sibling = XCB_WINDOW_NONE;
2253         } else {
2254                 /* normal */
2255                 ce.event = ev->window;
2256                 ce.window = ev->window;
2257
2258                 /* make response appear more WM_SIZE_HINTS-compliant */
2259                 if (win->sh.flags) {
2260                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2261                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2262                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2263                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2264                             SH_INC_W(win), SH_INC_H(win));
2265                 }
2266
2267                 /* min size */
2268                 if (SH_MIN(win)) {
2269                         /* the hint may be set... to 0! */
2270                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2271                                 ce.width = SH_MIN_W(win);
2272                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2273                                 ce.height = SH_MIN_H(win);
2274                 }
2275
2276                 /* max size */
2277                 if (SH_MAX(win)) {
2278                         /* may also be advertized as 0 */
2279                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2280                                 ce.width = SH_MAX_W(win);
2281                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2282                                 ce.height = SH_MAX_H(win);
2283                 }
2284
2285                 /* resize increment. */
2286                 if (SH_INC(win)) {
2287                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2288                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2289                                     SH_INC_W(win);
2290                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2291                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2292                                     SH_INC_H(win);
2293                 }
2294
2295                 /* adjust x and y for requested border_width. */
2296                 ce.x += BORDER(win) - ev->border_width;
2297                 ce.y += BORDER(win) - ev->border_width;
2298                 ce.border_width = ev->border_width;
2299                 ce.above_sibling = ev->sibling;
2300         }
2301
2302         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2303             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2304             ce.y, ce.width, ce.height, ce.border_width);
2305
2306         xcb_send_event(conn, 0, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2307             (char *)&ce);
2308 }
2309
2310 int
2311 count_win(struct workspace *ws, int count_transient)
2312 {
2313         struct ws_win           *win;
2314         int                     count = 0;
2315
2316         TAILQ_FOREACH(win, &ws->winlist, entry) {
2317                 if (count_transient == 0 && win->floating)
2318                         continue;
2319                 if (count_transient == 0 && win->transient)
2320                         continue;
2321                 if (win->iconic)
2322                         continue;
2323                 count++;
2324         }
2325         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2326
2327         return (count);
2328 }
2329
2330 void
2331 quit(struct swm_region *r, union arg *args)
2332 {
2333         /* suppress unused warnings since vars are needed */
2334         (void)r;
2335         (void)args;
2336
2337         DNPRINTF(SWM_D_MISC, "quit\n");
2338         running = 0;
2339 }
2340
2341 void
2342 unmap_window(struct ws_win *win)
2343 {
2344         DNPRINTF(SWM_D_EVENT, "unmap_window: window: 0x%x\n", win->id);
2345
2346         if (win == NULL)
2347                 return;
2348
2349         /* don't unmap again */
2350         if (getstate(win->id) == XCB_ICCCM_WM_STATE_ICONIC)
2351                 return;
2352
2353         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2354
2355         xcb_unmap_window(conn, win->id);
2356         xcb_change_window_attributes(conn, win->id,
2357             XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].pixel);
2358 }
2359
2360 void
2361 unmap_all(void)
2362 {
2363         struct ws_win           *win;
2364         int                     i, j, num_screens;
2365
2366         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2367         for (i = 0; i < num_screens; i++)
2368                 for (j = 0; j < workspace_limit; j++)
2369                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2370                                 unmap_window(win);
2371 }
2372
2373 void
2374 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2375 {
2376         xcb_key_press_event_t   event;
2377         xcb_keycode_t           *keycode;
2378
2379         if (win == NULL)
2380                 return;
2381
2382         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2383
2384         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2385             win->id, *keycode);
2386
2387         bzero(&event, sizeof(event));
2388         event.event = win->id;
2389         event.root = win->s->root;
2390         event.child = XCB_WINDOW_NONE;
2391         event.time = XCB_CURRENT_TIME;
2392         event.event_x = X(win);
2393         event.event_y = Y(win);
2394         event.root_x = 1;
2395         event.root_y = 1;
2396         event.same_screen = 1;
2397         event.detail = *keycode;
2398         event.state = modifiers;
2399
2400         event.response_type = XCB_KEY_PRESS;
2401         xcb_send_event(conn, 1, win->id,
2402             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2403
2404         event.response_type = XCB_KEY_RELEASE;
2405         xcb_send_event(conn, 1, win->id,
2406             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2407
2408         free(keycode);
2409 }
2410
2411 void
2412 restart(struct swm_region *r, union arg *args)
2413 {
2414         /* suppress unused warning since var is needed */
2415         (void)r;
2416         (void)args;
2417
2418         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2419
2420         shutdown_cleanup();
2421
2422         execvp(start_argv[0], start_argv);
2423         warn("execvp failed");
2424         quit(NULL, NULL);
2425 }
2426
2427 struct swm_region *
2428 root_to_region(xcb_window_t root)
2429 {
2430         struct swm_region               *r = NULL;
2431         int                             i, num_screens;
2432         xcb_query_pointer_reply_t       *qpr;
2433
2434         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2435
2436         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2437         for (i = 0; i < num_screens; i++)
2438                 if (screens[i].root == root)
2439                         break;
2440
2441         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2442             screens[i].root), NULL);
2443
2444         if (qpr) {
2445                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2446                     qpr->root_x, qpr->root_y);
2447                 /* choose a region based on pointer location */
2448                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2449                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2450                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2451                                 break;
2452                 free(qpr);
2453         }
2454
2455         if (r == NULL)
2456                 r = TAILQ_FIRST(&screens[i].rl);
2457
2458         return (r);
2459 }
2460
2461 struct ws_win *
2462 find_unmanaged_window(xcb_window_t id)
2463 {
2464         struct ws_win           *win;
2465         int                     i, j, num_screens;
2466
2467         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2468         for (i = 0; i < num_screens; i++)
2469                 for (j = 0; j < workspace_limit; j++)
2470                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2471                             entry)
2472                                 if (id == win->id)
2473                                         return (win);
2474         return (NULL);
2475 }
2476
2477 struct ws_win *
2478 find_window(xcb_window_t id)
2479 {
2480         struct ws_win           *win;
2481         int                     i, j, num_screens;
2482         xcb_query_tree_reply_t  *r;
2483
2484         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2485         for (i = 0; i < num_screens; i++)
2486                 for (j = 0; j < workspace_limit; j++)
2487                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2488                                 if (id == win->id)
2489                                         return (win);
2490
2491         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
2492         if (!r)
2493                 return (NULL);
2494
2495         /* if we were looking for the parent return that window instead */
2496         if (r->parent == 0 || r->root == r->parent) {
2497                 free(r);
2498                 return (NULL);
2499         }
2500
2501         /* look for parent */
2502         for (i = 0; i < num_screens; i++)
2503                 for (j = 0; j < workspace_limit; j++)
2504                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2505                                 if (r->parent == win->id) {
2506                                         free(r);
2507                                         return (win);
2508                                 }
2509
2510         free(r);
2511         return (NULL);
2512 }
2513
2514 void
2515 spawn(int ws_idx, union arg *args, int close_fd)
2516 {
2517         int                     fd;
2518         char                    *ret = NULL;
2519
2520         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2521
2522         close(xcb_get_file_descriptor(conn));
2523
2524         setenv("LD_PRELOAD", SWM_LIB, 1);
2525
2526         if (asprintf(&ret, "%d", ws_idx) == -1) {
2527                 warn("spawn: asprintf SWM_WS");
2528                 _exit(1);
2529         }
2530         setenv("_SWM_WS", ret, 1);
2531         free(ret);
2532         ret = NULL;
2533
2534         if (asprintf(&ret, "%d", getpid()) == -1) {
2535                 warn("spawn: asprintf _SWM_PID");
2536                 _exit(1);
2537         }
2538         setenv("_SWM_PID", ret, 1);
2539         free(ret);
2540         ret = NULL;
2541
2542         if (setsid() == -1) {
2543                 warn("spawn: setsid");
2544                 _exit(1);
2545         }
2546
2547         if (close_fd) {
2548                 /*
2549                  * close stdin and stdout to prevent interaction between apps
2550                  * and the baraction script
2551                  * leave stderr open to record errors
2552                 */
2553                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2554                         warn("spawn: open");
2555                         _exit(1);
2556                 }
2557                 dup2(fd, STDIN_FILENO);
2558                 dup2(fd, STDOUT_FILENO);
2559                 if (fd > 2)
2560                         close(fd);
2561         }
2562
2563         execvp(args->argv[0], args->argv);
2564
2565         warn("spawn: execvp");
2566         _exit(1);
2567 }
2568
2569 void
2570 kill_refs(struct ws_win *win)
2571 {
2572         int                     i, x, num_screens;
2573         struct swm_region       *r;
2574         struct workspace        *ws;
2575
2576         if (win == NULL)
2577                 return;
2578
2579         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2580         for (i = 0; i < num_screens; i++)
2581                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2582                         for (x = 0; x < workspace_limit; x++) {
2583                                 ws = &r->s->ws[x];
2584                                 if (win == ws->focus)
2585                                         ws->focus = NULL;
2586                                 if (win == ws->focus_prev)
2587                                         ws->focus_prev = NULL;
2588                         }
2589 }
2590
2591 int
2592 validate_win(struct ws_win *testwin)
2593 {
2594         struct ws_win           *win;
2595         struct workspace        *ws;
2596         struct swm_region       *r;
2597         int                     i, x, num_screens;
2598
2599         if (testwin == NULL)
2600                 return (0);
2601
2602         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2603         for (i = 0; i < num_screens; i++)
2604                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2605                         for (x = 0; x < workspace_limit; x++) {
2606                                 ws = &r->s->ws[x];
2607                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2608                                         if (win == testwin)
2609                                                 return (0);
2610                         }
2611         return (1);
2612 }
2613
2614 int
2615 validate_ws(struct workspace *testws)
2616 {
2617         struct swm_region       *r;
2618         struct workspace        *ws;
2619         int                     i, x, num_screens;
2620
2621         /* validate all ws */
2622         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2623         for (i = 0; i < num_screens; i++)
2624                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2625                         for (x = 0; x < workspace_limit; x++) {
2626                                 ws = &r->s->ws[x];
2627                                 if (ws == testws)
2628                                         return (0);
2629                         }
2630         return (1);
2631 }
2632
2633 void
2634 unfocus_win(struct ws_win *win)
2635 {
2636         xcb_window_t            none = XCB_WINDOW_NONE;
2637
2638         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2639
2640         if (win == NULL)
2641                 return;
2642         if (win->ws == NULL)
2643                 return;
2644
2645         if (validate_ws(win->ws))
2646                 return; /* XXX this gets hit with thunderbird, needs fixing */
2647
2648         if (win->ws->r == NULL)
2649                 return;
2650
2651         if (validate_win(win)) {
2652                 kill_refs(win);
2653                 return;
2654         }
2655
2656         if (win->ws->focus == win) {
2657                 win->ws->focus = NULL;
2658                 win->ws->focus_prev = win;
2659         }
2660
2661         if (validate_win(win->ws->focus)) {
2662                 kill_refs(win->ws->focus);
2663                 win->ws->focus = NULL;
2664         }
2665         if (validate_win(win->ws->focus_prev)) {
2666                 kill_refs(win->ws->focus_prev);
2667                 win->ws->focus_prev = NULL;
2668         }
2669
2670         grabbuttons(win, 0);
2671         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2672             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
2673         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2674             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
2675 }
2676
2677 void
2678 unfocus_all(void)
2679 {
2680         struct ws_win           *win;
2681         int                     i, j, num_screens;
2682
2683         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2684
2685         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2686         for (i = 0; i < num_screens; i++)
2687                 for (j = 0; j < workspace_limit; j++)
2688                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2689                                 unfocus_win(win);
2690 }
2691
2692 void
2693 focus_win(struct ws_win *win)
2694 {
2695         struct ws_win           *cfw = NULL;
2696         xcb_get_input_focus_reply_t     *r;
2697         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2698
2699         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2700
2701         if (win == NULL)
2702                 return;
2703         if (win->ws == NULL)
2704                 return;
2705
2706         if (validate_ws(win->ws))
2707                 return; /* XXX this gets hit with thunderbird, needs fixing */
2708
2709         if (validate_win(win)) {
2710                 kill_refs(win);
2711                 return;
2712         }
2713
2714         if (validate_win(win)) {
2715                 kill_refs(win);
2716                 return;
2717         }
2718
2719         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
2720         if (r) {
2721                 cur_focus = r->focus;
2722                 free(r);
2723         }
2724         if ((cfw = find_window(cur_focus)) != NULL)
2725                 unfocus_win(cfw);
2726         else {
2727 #if 0
2728                 /* use larger hammer since the window was killed somehow */
2729                 TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2730                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2731                                 xcb_change_window_attributes(conn, cfw->id,
2732                                     XCB_CW_BORDER_PIXEL,
2733                                     &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
2734 #endif
2735         }
2736
2737         win->ws->focus = win;
2738
2739         if (win->ws->r != NULL) {
2740                 if (win->java == 0)
2741                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2742                             win->id, XCB_CURRENT_TIME);
2743                 grabbuttons(win, 1);
2744                 xcb_change_window_attributes(conn, win->id,
2745                     XCB_CW_BORDER_PIXEL,
2746                     &win->ws->r->s->c[SWM_S_COLOR_FOCUS].pixel);
2747                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2748                     win->ws->always_raise)
2749                         map_window_raised(win->id);
2750
2751                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2752                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2753                     &win->id);
2754         }
2755
2756         bar_update();
2757 }
2758
2759 void
2760 event_drain(uint8_t rt)
2761 {
2762         xcb_generic_event_t     *evt;
2763
2764         xcb_flush(conn);
2765         while ((evt = xcb_poll_for_event(conn))) {
2766                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
2767                         event_handle(evt);
2768
2769                 free(evt);
2770         }
2771 }
2772
2773 void
2774 switchws(struct swm_region *r, union arg *args)
2775 {
2776         int                     wsid = args->id, unmap_old = 0;
2777         struct swm_region       *this_r, *other_r;
2778         struct ws_win           *win;
2779         struct workspace        *new_ws, *old_ws;
2780         union arg               a;
2781
2782         if (!(r && r->s))
2783                 return;
2784
2785         if (wsid >= workspace_limit)
2786                 return;
2787
2788         this_r = r;
2789         old_ws = this_r->ws;
2790         new_ws = &this_r->s->ws[wsid];
2791
2792         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2793             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2794
2795         if (new_ws == NULL || old_ws == NULL)
2796                 return;
2797         if (new_ws == old_ws)
2798                 return;
2799
2800         other_r = new_ws->r;
2801         if (other_r == NULL) {
2802                 /* the other workspace is hidden, hide this one */
2803                 old_ws->r = NULL;
2804                 unmap_old = 1;
2805         } else {
2806                 /* the other ws is visible in another region, exchange them */
2807                 other_r->ws_prior = new_ws;
2808                 other_r->ws = old_ws;
2809                 old_ws->r = other_r;
2810         }
2811         this_r->ws_prior = old_ws;
2812         this_r->ws = new_ws;
2813         new_ws->r = this_r;
2814
2815         /* this is needed so that we can click on a window after a restart */
2816         unfocus_all();
2817
2818         stack();
2819         a.id = SWM_ARG_ID_FOCUSCUR;
2820         focus(new_ws->r, &a);
2821
2822         /* unmap old windows */
2823         if (unmap_old)
2824                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2825                         unmap_window(win);
2826
2827         if (focus_mode == SWM_FOCUS_DEFAULT)
2828                 event_drain(XCB_ENTER_NOTIFY);
2829         else
2830                 xcb_flush(conn);
2831
2832         DNPRINTF(SWM_D_WS, "switchws: done\n");
2833 }
2834
2835 void
2836 cyclews(struct swm_region *r, union arg *args)
2837 {
2838         union                   arg a;
2839         struct swm_screen       *s = r->s;
2840         int                     cycle_all = 0;
2841
2842         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2843             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2844
2845         a.id = r->ws->idx;
2846         do {
2847                 switch (args->id) {
2848                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2849                         cycle_all = 1;
2850                         /* FALLTHROUGH */
2851                 case SWM_ARG_ID_CYCLEWS_UP:
2852                         if (a.id < workspace_limit - 1)
2853                                 a.id++;
2854                         else
2855                                 a.id = 0;
2856                         break;
2857                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2858                         cycle_all = 1;
2859                         /* FALLTHROUGH */
2860                 case SWM_ARG_ID_CYCLEWS_DOWN:
2861                         if (a.id > 0)
2862                                 a.id--;
2863                         else
2864                                 a.id = workspace_limit - 1;
2865                         break;
2866                 default:
2867                         return;
2868                 };
2869
2870                 if (!cycle_all &&
2871                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2872                         continue;
2873                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2874                         continue;
2875
2876                 switchws(r, &a);
2877         } while (a.id != r->ws->idx);
2878 }
2879
2880 void
2881 priorws(struct swm_region *r, union arg *args)
2882 {
2883         union arg               a;
2884
2885         (void)args;
2886
2887         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2888             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2889
2890         if (r->ws_prior == NULL)
2891                 return;
2892
2893         a.id = r->ws_prior->idx;
2894         switchws(r, &a);
2895 }
2896
2897 void
2898 cyclescr(struct swm_region *r, union arg *args)
2899 {
2900         struct swm_region       *rr = NULL;
2901         union arg               a;
2902         int                     i, x, y, num_screens;
2903
2904         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2905         /* do nothing if we don't have more than one screen */
2906         if (!(num_screens > 1 || outputs > 1))
2907                 return;
2908
2909         i = r->s->idx;
2910         switch (args->id) {
2911         case SWM_ARG_ID_CYCLESC_UP:
2912                 rr = TAILQ_NEXT(r, entry);
2913                 if (rr == NULL)
2914                         rr = TAILQ_FIRST(&screens[i].rl);
2915                 break;
2916         case SWM_ARG_ID_CYCLESC_DOWN:
2917                 rr = TAILQ_PREV(r, swm_region_list, entry);
2918                 if (rr == NULL)
2919                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2920                 break;
2921         default:
2922                 return;
2923         };
2924         if (rr == NULL)
2925                 return;
2926
2927         /* move mouse to region */
2928         x = X(rr) + 1;
2929         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2930         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2931             x, y);
2932
2933         a.id = SWM_ARG_ID_FOCUSCUR;
2934         focus(rr, &a);
2935
2936         if (rr->ws->focus) {
2937                 /* move to focus window */
2938                 x = X(rr->ws->focus) + 1;
2939                 y = Y(rr->ws->focus) + 1;
2940                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2941                     0, x, y);
2942         }
2943 }
2944
2945 void
2946 sort_windows(struct ws_win_list *wl)
2947 {
2948         struct ws_win           *win, *parent, *nxt;
2949
2950         if (wl == NULL)
2951                 return;
2952
2953         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2954                 nxt = TAILQ_NEXT(win, entry);
2955                 if (win->transient) {
2956                         parent = find_window(win->transient);
2957                         if (parent == NULL) {
2958                                 warnx("not possible bug");
2959                                 continue;
2960                         }
2961                         TAILQ_REMOVE(wl, win, entry);
2962                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2963                 }
2964         }
2965
2966 }
2967
2968 void
2969 swapwin(struct swm_region *r, union arg *args)
2970 {
2971         struct ws_win           *target, *source;
2972         struct ws_win           *cur_focus;
2973         struct ws_win_list      *wl;
2974
2975
2976         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2977             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2978
2979         cur_focus = r->ws->focus;
2980         if (cur_focus == NULL)
2981                 return;
2982
2983         source = cur_focus;
2984         wl = &source->ws->winlist;
2985
2986         switch (args->id) {
2987         case SWM_ARG_ID_SWAPPREV:
2988                 if (source->transient)
2989                         source = find_window(source->transient);
2990                 target = TAILQ_PREV(source, ws_win_list, entry);
2991                 if (target && target->transient)
2992                         target = find_window(target->transient);
2993                 TAILQ_REMOVE(wl, source, entry);
2994                 if (target == NULL)
2995                         TAILQ_INSERT_TAIL(wl, source, entry);
2996                 else
2997                         TAILQ_INSERT_BEFORE(target, source, entry);
2998                 break;
2999         case SWM_ARG_ID_SWAPNEXT:
3000                 target = TAILQ_NEXT(source, entry);
3001                 /* move the parent and let the sort handle the move */
3002                 if (source->transient)
3003                         source = find_window(source->transient);
3004                 TAILQ_REMOVE(wl, source, entry);
3005                 if (target == NULL)
3006                         TAILQ_INSERT_HEAD(wl, source, entry);
3007                 else
3008                         TAILQ_INSERT_AFTER(wl, target, source, entry);
3009                 break;
3010         case SWM_ARG_ID_SWAPMAIN:
3011                 target = TAILQ_FIRST(wl);
3012                 if (target == source) {
3013                         if (source->ws->focus_prev != NULL &&
3014                             source->ws->focus_prev != target)
3015                                 source = source->ws->focus_prev;
3016                         else
3017                                 return;
3018                 }
3019                 if (target == NULL || source == NULL)
3020                         return;
3021                 source->ws->focus_prev = target;
3022                 TAILQ_REMOVE(wl, target, entry);
3023                 TAILQ_INSERT_BEFORE(source, target, entry);
3024                 TAILQ_REMOVE(wl, source, entry);
3025                 TAILQ_INSERT_HEAD(wl, source, entry);
3026                 break;
3027         case SWM_ARG_ID_MOVELAST:
3028                 TAILQ_REMOVE(wl, source, entry);
3029                 TAILQ_INSERT_TAIL(wl, source, entry);
3030                 break;
3031         default:
3032                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
3033                 return;
3034         }
3035
3036         sort_windows(wl);
3037
3038         stack();
3039
3040         xcb_flush(conn);
3041 }
3042
3043 void
3044 focus_prev(struct ws_win *win)
3045 {
3046         struct ws_win           *winfocus = NULL;
3047         struct ws_win           *cur_focus = NULL;
3048         struct ws_win_list      *wl = NULL;
3049         struct workspace        *ws = NULL;
3050
3051         if (!(win && win->ws))
3052                 return;
3053
3054         ws = win->ws;
3055         wl = &ws->winlist;
3056         cur_focus = ws->focus;
3057
3058         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
3059             WINID(win), WINID(cur_focus));
3060
3061         /* pickle, just focus on whatever */
3062         if (cur_focus == NULL) {
3063                 /* use prev_focus if valid */
3064                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
3065                     find_window(WINID(ws->focus_prev)))
3066                         winfocus = ws->focus_prev;
3067                 goto done;
3068         }
3069
3070         /* if transient focus on parent */
3071         if (cur_focus->transient) {
3072                 winfocus = find_window(cur_focus->transient);
3073                 goto done;
3074         }
3075
3076         /* if in max_stack try harder */
3077         if ((win->quirks & SWM_Q_FOCUSPREV) ||
3078             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
3079                 if (cur_focus != ws->focus_prev)
3080                         winfocus = ws->focus_prev;
3081                 else
3082                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3083                 if (winfocus)
3084                         goto done;
3085         }
3086
3087         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
3088
3089         if (winfocus == NULL || winfocus == win) {
3090                 switch (focus_close) {
3091                 case SWM_STACK_BOTTOM:
3092                         winfocus = TAILQ_FIRST(wl);
3093                         break;
3094                 case SWM_STACK_TOP:
3095                         winfocus = TAILQ_LAST(wl, ws_win_list);
3096                         break;
3097                 case SWM_STACK_ABOVE:
3098                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
3099                                 if (focus_close_wrap)
3100                                         winfocus = TAILQ_FIRST(wl);
3101                                 else
3102                                         winfocus = TAILQ_PREV(cur_focus,
3103                                             ws_win_list, entry);
3104                         }
3105                         break;
3106                 case SWM_STACK_BELOW:
3107                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
3108                             entry)) == NULL) {
3109                                 if (focus_close_wrap)
3110                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3111                                 else
3112                                         winfocus = TAILQ_NEXT(cur_focus, entry);
3113                         }
3114                         break;
3115                 }
3116         }
3117 done:
3118         if (winfocus == NULL) {
3119                 if (focus_default == SWM_STACK_TOP)
3120                         winfocus = TAILQ_LAST(wl, ws_win_list);
3121                 else
3122                         winfocus = TAILQ_FIRST(wl);
3123         }
3124
3125         kill_refs(win);
3126         focus_magic(winfocus);
3127 }
3128
3129 void
3130 focus(struct swm_region *r, union arg *args)
3131 {
3132         struct ws_win           *winfocus = NULL, *head;
3133         struct ws_win           *cur_focus = NULL;
3134         struct ws_win_list      *wl = NULL;
3135         struct workspace        *ws = NULL;
3136         int                     all_iconics;
3137
3138         if (!(r && r->ws))
3139                 return;
3140
3141         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
3142
3143         /* treat FOCUS_CUR special */
3144         if (args->id == SWM_ARG_ID_FOCUSCUR) {
3145                 if (r->ws->focus && r->ws->focus->iconic == 0)
3146                         winfocus = r->ws->focus;
3147                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
3148                         winfocus = r->ws->focus_prev;
3149                 else
3150                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3151                                 if (winfocus->iconic == 0)
3152                                         break;
3153
3154                 focus_magic(winfocus);
3155                 return;
3156         }
3157
3158         if ((cur_focus = r->ws->focus) == NULL)
3159                 return;
3160         ws = r->ws;
3161         wl = &ws->winlist;
3162         if (TAILQ_EMPTY(wl))
3163                 return;
3164         /* make sure there is at least one uniconified window */
3165         all_iconics = 1;
3166         TAILQ_FOREACH(winfocus, wl, entry)
3167                 if (winfocus->iconic == 0) {
3168                         all_iconics = 0;
3169                         break;
3170                 }
3171         if (all_iconics)
3172                 return;
3173
3174         switch (args->id) {
3175         case SWM_ARG_ID_FOCUSPREV:
3176                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3177                 if (head == NULL)
3178                         head = TAILQ_LAST(wl, ws_win_list);
3179                 winfocus = head;
3180                 if (WINID(winfocus) == cur_focus->transient) {
3181                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3182                         if (head == NULL)
3183                                 head = TAILQ_LAST(wl, ws_win_list);
3184                         winfocus = head;
3185                 }
3186
3187                 /* skip iconics */
3188                 if (winfocus && winfocus->iconic) {
3189                         while (winfocus != cur_focus) {
3190                                 if (winfocus == NULL)
3191                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3192                                 if (winfocus->iconic == 0)
3193                                         break;
3194                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3195                                     entry);
3196                         }
3197                 }
3198                 break;
3199
3200         case SWM_ARG_ID_FOCUSNEXT:
3201                 head = TAILQ_NEXT(cur_focus, entry);
3202                 if (head == NULL)
3203                         head = TAILQ_FIRST(wl);
3204                 winfocus = head;
3205
3206                 /* skip iconics */
3207                 if (winfocus && winfocus->iconic) {
3208                         while (winfocus != cur_focus) {
3209                                 if (winfocus == NULL)
3210                                         winfocus = TAILQ_FIRST(wl);
3211                                 if (winfocus->iconic == 0)
3212                                         break;
3213                                 winfocus = TAILQ_NEXT(winfocus, entry);
3214                         }
3215                 }
3216                 break;
3217
3218         case SWM_ARG_ID_FOCUSMAIN:
3219                 winfocus = TAILQ_FIRST(wl);
3220                 if (winfocus == cur_focus)
3221                         winfocus = cur_focus->ws->focus_prev;
3222                 break;
3223
3224         default:
3225                 return;
3226         }
3227
3228         focus_magic(winfocus);
3229
3230         xcb_flush(conn);
3231 }
3232
3233 void
3234 cycle_layout(struct swm_region *r, union arg *args)
3235 {
3236         struct workspace        *ws = r->ws;
3237         union arg               a;
3238
3239         /* suppress unused warning since var is needed */
3240         (void)args;
3241
3242         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3243
3244         ws->cur_layout++;
3245         if (ws->cur_layout->l_stack == NULL)
3246                 ws->cur_layout = &layouts[0];
3247
3248         stack();
3249         bar_update();
3250
3251         if (focus_mode == SWM_FOCUS_DEFAULT)
3252                 event_drain(XCB_ENTER_NOTIFY);
3253
3254         a.id = SWM_ARG_ID_FOCUSCUR;
3255         focus(r, &a);
3256 }
3257
3258 void
3259 stack_config(struct swm_region *r, union arg *args)
3260 {
3261         struct workspace        *ws = r->ws;
3262
3263         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3264             args->id, ws->idx);
3265
3266         if (ws->cur_layout->l_config != NULL)
3267                 ws->cur_layout->l_config(ws, args->id);
3268
3269         if (args->id != SWM_ARG_ID_STACKINIT)
3270                 stack();
3271         bar_update();
3272 }
3273
3274 void
3275 stack(void) {
3276         struct swm_geometry     g;
3277         struct swm_region       *r;
3278         int                     i, num_screens;
3279 #ifdef SWM_DEBUG
3280         int j;
3281 #endif
3282
3283         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3284
3285         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3286         for (i = 0; i < num_screens; i++) {
3287 #ifdef SWM_DEBUG
3288                 j = 0;
3289 #endif
3290                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3291                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3292                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3293
3294                         /* start with screen geometry, adjust for bar */
3295                         g = r->g;
3296                         g.w -= 2 * border_width;
3297                         g.h -= 2 * border_width;
3298                         if (bar_enabled) {
3299                                 if (!bar_at_bottom)
3300                                         g.y += bar_height;
3301                                 g.h -= bar_height;
3302                         }
3303                         r->ws->cur_layout->l_stack(r->ws, &g);
3304                         r->ws->cur_layout->l_string(r->ws);
3305                         /* save r so we can track region changes */
3306                         r->ws->old_r = r;
3307                 }
3308         }
3309         if (font_adjusted)
3310                 font_adjusted--;
3311
3312         if (focus_mode == SWM_FOCUS_DEFAULT)
3313                 event_drain(XCB_ENTER_NOTIFY);
3314
3315         DNPRINTF(SWM_D_STACK, "stack: end\n");
3316 }
3317
3318 void
3319 store_float_geom(struct ws_win *win, struct swm_region *r)
3320 {
3321         /* retain window geom and region geom */
3322         win->g_float = win->g;
3323         win->g_float.x -= X(r);
3324         win->g_float.y -= Y(r);
3325         win->g_floatvalid = 1;
3326         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3327             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3328             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3329             win->g_float.w, win->g_float.h);
3330 }
3331
3332 void
3333 stack_floater(struct ws_win *win, struct swm_region *r)
3334 {
3335         if (win == NULL)
3336                 return;
3337
3338         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3339
3340         /*
3341          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3342          * geom on ws switches or return from max mode
3343          */
3344         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3345             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3346                 /* refloat at last floating relative position */
3347                 win->g = win->g_float;
3348                 X(win) += X(r);
3349                 Y(win) += Y(r);
3350         }
3351
3352         win->floatmaxed = 0;
3353
3354         /*
3355          * if set to fullscreen mode, configure window to maximum size.
3356          */
3357         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3358                 if (!win->g_floatvalid)
3359                         store_float_geom(win, win->ws->r);
3360
3361                 win->g = win->ws->r->g;
3362         }
3363
3364         /*
3365          * remove border on fullscreen floater when in fullscreen mode or when
3366          * the quirk is present.
3367          */
3368         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3369             ((win->quirks & SWM_Q_FULLSCREEN) &&
3370              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3371                 if (win->bordered) {
3372                         win->bordered = 0;
3373                         X(win) += border_width;
3374                         Y(win) += border_width;
3375                 }
3376         } else if (!win->bordered) {
3377                 win->bordered = 1;
3378                 X(win) -= border_width;
3379                 Y(win) -= border_width;
3380         }
3381
3382         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3383                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3384                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3385         }
3386
3387         if (!win->manual) {
3388                 /*
3389                  * floaters and transients are auto-centred unless moved
3390                  * or resized
3391                  */
3392                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3393                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3394         }
3395
3396         /* keep window within region bounds */
3397         constrain_window(win, r, 0);
3398
3399         update_window(win);
3400 }
3401
3402 /*
3403  * Send keystrokes to terminal to decrease/increase the font size as the
3404  * window size changes.
3405  */
3406 void
3407 adjust_font(struct ws_win *win)
3408 {
3409         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3410             win->floating || win->transient)
3411                 return;
3412
3413         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3414             WIDTH(win) / win->sh.width_inc < term_width &&
3415             win->font_steps < SWM_MAX_FONT_STEPS) {
3416                 win->font_size_boundary[win->font_steps] =
3417                     (win->sh.width_inc * term_width) + win->sh.base_width;
3418                 win->font_steps++;
3419                 font_adjusted++;
3420                 win->last_inc = win->sh.width_inc;
3421                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3422         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3423             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3424                 win->font_steps--;
3425                 font_adjusted++;
3426                 win->last_inc = win->sh.width_inc;
3427                 fake_keypress(win, XK_KP_Add, ShiftMask);
3428         }
3429 }
3430
3431 #define SWAPXY(g)       do {                            \
3432         int tmp;                                        \
3433         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3434         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3435 } while (0)
3436 void
3437 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3438 {
3439         struct swm_geometry     win_g, r_g = *g;
3440         struct ws_win           *win, *fs_win = NULL;
3441         int                     i, j, s, stacks;
3442         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3443         int                     hrh, extra = 0, h_slice, last_h = 0;
3444         int                     split, colno, winno, mwin, msize, mscale;
3445         int                     remain, missing, v_slice, reconfigure;
3446         int                     bordered = 1;
3447         xcb_get_window_attributes_reply_t *war;
3448
3449         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3450             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3451
3452         winno = count_win(ws, 0);
3453         if (winno == 0 && count_win(ws, 1) == 0)
3454                 return;
3455
3456         TAILQ_FOREACH(win, &ws->winlist, entry)
3457                 if (win->transient == 0 && win->floating == 0
3458                     && win->iconic == 0)
3459                         break;
3460
3461         if (win == NULL)
3462                 goto notiles;
3463
3464         if (rot) {
3465                 w_inc = win->sh.width_inc;
3466                 w_base = win->sh.base_width;
3467                 mwin = ws->l_state.horizontal_mwin;
3468                 mscale = ws->l_state.horizontal_msize;
3469                 stacks = ws->l_state.horizontal_stacks;
3470                 SWAPXY(&r_g);
3471         } else {
3472                 w_inc = win->sh.height_inc;
3473                 w_base = win->sh.base_height;
3474                 mwin = ws->l_state.vertical_mwin;
3475                 mscale = ws->l_state.vertical_msize;
3476                 stacks = ws->l_state.vertical_stacks;
3477         }
3478         win_g = r_g;
3479
3480         if (stacks > winno - mwin)
3481                 stacks = winno - mwin;
3482         if (stacks < 1)
3483                 stacks = 1;
3484
3485         h_slice = r_g.h / SWM_H_SLICE;
3486         if (mwin && winno > mwin) {
3487                 v_slice = r_g.w / SWM_V_SLICE;
3488
3489                 split = mwin;
3490                 colno = split;
3491                 win_g.w = v_slice * mscale;
3492
3493                 if (w_inc > 1 && w_inc < v_slice) {
3494                         /* adjust for window's requested size increment */
3495                         remain = (win_g.w - w_base) % w_inc;
3496                         win_g.w -= remain;
3497                 }
3498
3499                 msize = win_g.w;
3500                 if (flip)
3501                         win_g.x += r_g.w - msize;
3502         } else {
3503                 msize = -2;
3504                 colno = split = winno / stacks;
3505                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3506                     2 * border_width) / stacks);
3507         }
3508         hrh = r_g.h / colno;
3509         extra = r_g.h - (colno * hrh);
3510         win_g.h = hrh - 2 * border_width;
3511
3512         /*  stack all the tiled windows */
3513         i = j = 0, s = stacks;
3514         TAILQ_FOREACH(win, &ws->winlist, entry) {
3515                 if (win->transient != 0 || win->floating != 0)
3516                         continue;
3517                 if (win->iconic != 0)
3518                         continue;
3519
3520                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3521                         fs_win = win;
3522                         continue;
3523                 }
3524
3525                 if (split && i == split) {
3526                         colno = (winno - mwin) / stacks;
3527                         if (s <= (winno - mwin) % stacks)
3528                                 colno++;
3529                         split = split + colno;
3530                         hrh = (r_g.h / colno);
3531                         extra = r_g.h - (colno * hrh);
3532                         if (flip)
3533                                 win_g.x = r_g.x;
3534                         else
3535                                 win_g.x += win_g.w + 2 * border_width;
3536                         win_g.w = (r_g.w - msize -
3537                             (stacks * 2 * border_width)) / stacks;
3538                         if (s == 1)
3539                                 win_g.w += (r_g.w - msize -
3540                                     (stacks * 2 * border_width)) % stacks;
3541                         s--;
3542                         j = 0;
3543                 }
3544                 win_g.h = hrh - 2 * border_width;
3545                 if (rot) {
3546                         h_inc = win->sh.width_inc;
3547                         h_base = win->sh.base_width;
3548                 } else {
3549                         h_inc = win->sh.height_inc;
3550                         h_base = win->sh.base_height;
3551                 }
3552                 if (j == colno - 1) {
3553                         win_g.h = hrh + extra;
3554                 } else if (h_inc > 1 && h_inc < h_slice) {
3555                         /* adjust for window's requested size increment */
3556                         remain = (win_g.h - h_base) % h_inc;
3557                         missing = h_inc - remain;
3558
3559                         if (missing <= extra || j == 0) {
3560                                 extra -= missing;
3561                                 win_g.h += missing;
3562                         } else {
3563                                 win_g.h -= remain;
3564                                 extra += remain;
3565                         }
3566                 }
3567
3568                 if (j == 0)
3569                         win_g.y = r_g.y;
3570                 else
3571                         win_g.y += last_h + 2 * border_width;
3572
3573                 if (disable_border && bar_enabled == 0 && winno == 1){
3574                         bordered = 0;
3575                         win_g.w += 2 * border_width;
3576                         win_g.h += 2 * border_width;
3577                 } else {
3578                         bordered = 1;
3579                 }
3580                 if (rot) {
3581                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3582                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3583                                 reconfigure = 1;
3584                                 X(win) = win_g.y;
3585                                 Y(win) = win_g.x;
3586                                 WIDTH(win) = win_g.h;
3587                                 HEIGHT(win) = win_g.w;
3588                         }
3589                 } else {
3590                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3591                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3592                                 reconfigure = 1;
3593                                 X(win) = win_g.x;
3594                                 Y(win) = win_g.y;
3595                                 WIDTH(win) = win_g.w;
3596                                 HEIGHT(win) = win_g.h;
3597                         }
3598                 }
3599
3600                 if (bordered != win->bordered) {
3601                         reconfigure = 1;
3602                         win->bordered = bordered;
3603                 }
3604
3605                 if (reconfigure) {
3606                         adjust_font(win);
3607                         update_window(win);
3608                 }
3609
3610                 war = xcb_get_window_attributes_reply(conn,
3611                         xcb_get_window_attributes(conn, win->id),
3612                         NULL);
3613                 if (war) {
3614                         if (war->map_state == XCB_MAP_STATE_UNMAPPED)
3615                                 map_window_raised(win->id);
3616                         free(war);
3617                 }
3618
3619                 last_h = win_g.h;
3620                 i++;
3621                 j++;
3622         }
3623
3624 notiles:
3625         /* now, stack all the floaters and transients */
3626         TAILQ_FOREACH(win, &ws->winlist, entry) {
3627                 if (win->transient == 0 && win->floating == 0)
3628                         continue;
3629                 if (win->iconic == 1)
3630                         continue;
3631                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3632                         fs_win = win;
3633                         continue;
3634                 }
3635
3636                 stack_floater(win, ws->r);
3637                 map_window_raised(win->id);
3638         }
3639
3640         if (fs_win) {
3641                 stack_floater(fs_win, ws->r);
3642                 map_window_raised(fs_win->id);
3643         }
3644 }
3645
3646 void
3647 vertical_config(struct workspace *ws, int id)
3648 {
3649         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3650             id, ws->idx);
3651
3652         switch (id) {
3653         case SWM_ARG_ID_STACKRESET:
3654         case SWM_ARG_ID_STACKINIT:
3655                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3656                 ws->l_state.vertical_mwin = 1;
3657                 ws->l_state.vertical_stacks = 1;
3658                 break;
3659         case SWM_ARG_ID_MASTERSHRINK:
3660                 if (ws->l_state.vertical_msize > 1)
3661                         ws->l_state.vertical_msize--;
3662                 break;
3663         case SWM_ARG_ID_MASTERGROW:
3664                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3665                         ws->l_state.vertical_msize++;
3666                 break;
3667         case SWM_ARG_ID_MASTERADD:
3668                 ws->l_state.vertical_mwin++;
3669                 break;
3670         case SWM_ARG_ID_MASTERDEL:
3671                 if (ws->l_state.vertical_mwin > 0)
3672                         ws->l_state.vertical_mwin--;
3673                 break;
3674         case SWM_ARG_ID_STACKINC:
3675                 ws->l_state.vertical_stacks++;
3676                 break;
3677         case SWM_ARG_ID_STACKDEC:
3678                 if (ws->l_state.vertical_stacks > 1)
3679                         ws->l_state.vertical_stacks--;
3680                 break;
3681         case SWM_ARG_ID_FLIPLAYOUT:
3682                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3683                 break;
3684         default:
3685                 return;
3686         }
3687 }
3688
3689 void
3690 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3691 {
3692         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3693
3694         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3695 }
3696
3697 void
3698 horizontal_config(struct workspace *ws, int id)
3699 {
3700         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3701
3702         switch (id) {
3703         case SWM_ARG_ID_STACKRESET:
3704         case SWM_ARG_ID_STACKINIT:
3705                 ws->l_state.horizontal_mwin = 1;
3706                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3707                 ws->l_state.horizontal_stacks = 1;
3708                 break;
3709         case SWM_ARG_ID_MASTERSHRINK:
3710                 if (ws->l_state.horizontal_msize > 1)
3711                         ws->l_state.horizontal_msize--;
3712                 break;
3713         case SWM_ARG_ID_MASTERGROW:
3714                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3715                         ws->l_state.horizontal_msize++;
3716                 break;
3717         case SWM_ARG_ID_MASTERADD:
3718                 ws->l_state.horizontal_mwin++;
3719                 break;
3720         case SWM_ARG_ID_MASTERDEL:
3721                 if (ws->l_state.horizontal_mwin > 0)
3722                         ws->l_state.horizontal_mwin--;
3723                 break;
3724         case SWM_ARG_ID_STACKINC:
3725                 ws->l_state.horizontal_stacks++;
3726                 break;
3727         case SWM_ARG_ID_STACKDEC:
3728                 if (ws->l_state.horizontal_stacks > 1)
3729                         ws->l_state.horizontal_stacks--;
3730                 break;
3731         case SWM_ARG_ID_FLIPLAYOUT:
3732                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3733                 break;
3734         default:
3735                 return;
3736         }
3737 }
3738
3739 void
3740 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3741 {
3742         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3743
3744         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3745 }
3746
3747 /* fullscreen view */
3748 void
3749 max_stack(struct workspace *ws, struct swm_geometry *g)
3750 {
3751         struct swm_geometry     gg = *g;
3752         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3753         int                     winno, num_screens;
3754
3755         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3756
3757         if (ws == NULL)
3758                 return;
3759
3760         winno = count_win(ws, 0);
3761         if (winno == 0 && count_win(ws, 1) == 0)
3762                 return;
3763
3764         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3765         TAILQ_FOREACH(win, &ws->winlist, entry) {
3766                 if (win->transient) {
3767                         wintrans = win;
3768                         parent = find_window(win->transient);
3769                         continue;
3770                 }
3771
3772                 if (win->floating && win->floatmaxed == 0 ) {
3773                         /*
3774                          * retain geometry for retrieval on exit from
3775                          * max_stack mode
3776                          */
3777                         store_float_geom(win, ws->r);
3778                         win->floatmaxed = 1;
3779                 }
3780
3781                 /* only reconfigure if necessary */
3782                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3783                     HEIGHT(win) != gg.h) {
3784                         win->g = gg;
3785                         if (bar_enabled){
3786                                 win->bordered = 1;
3787                         } else {
3788                                 win->bordered = 0;
3789                                 WIDTH(win) += 2 * border_width;
3790                                 HEIGHT(win) += 2 * border_width;
3791                         }
3792
3793                         update_window(win);
3794                 }
3795                 /* unmap only if we don't have multi screen */
3796                 if (win != ws->focus)
3797                         if (!(num_screens > 1 || outputs > 1))
3798                                 unmap_window(win);
3799         }
3800
3801         /* put the last transient on top */
3802         if (wintrans) {
3803                 if (parent)
3804                         map_window_raised(parent->id);
3805                 stack_floater(wintrans, ws->r);
3806                 focus_magic(wintrans);
3807         }
3808 }
3809
3810 void
3811 send_to_ws(struct swm_region *r, union arg *args)
3812 {
3813         int                     wsid = args->id;
3814         struct ws_win           *win = NULL, *parent;
3815         struct workspace        *ws, *nws;
3816         char                    ws_idx_str[SWM_PROPLEN];
3817         union arg               a;
3818
3819         if (wsid >= workspace_limit)
3820                 return;
3821
3822         if (r && r->ws && r->ws->focus)
3823                 win = r->ws->focus;
3824         else
3825                 return;
3826         if (win == NULL)
3827                 return;
3828         if (win->ws->idx == wsid)
3829                 return;
3830
3831         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3832
3833         ws = win->ws;
3834         nws = &win->s->ws[wsid];
3835
3836         a.id = SWM_ARG_ID_FOCUSPREV;
3837         focus(r, &a);
3838         if (win->transient) {
3839                 parent = find_window(win->transient);
3840                 if (parent) {
3841                         unmap_window(parent);
3842                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3843                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3844                         parent->ws = nws;
3845                 }
3846         }
3847         unmap_window(win);
3848         TAILQ_REMOVE(&ws->winlist, win, entry);
3849         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3850         if (TAILQ_EMPTY(&ws->winlist))
3851                 r->ws->focus = NULL;
3852         win->ws = nws;
3853
3854         /* Try to update the window's workspace property */
3855         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
3856                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3857                     ws_idx_str);
3858                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3859                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3860                     ws_idx_str);
3861         }
3862
3863         stack();
3864         bar_update();
3865
3866         xcb_flush(conn);
3867 }
3868
3869 void
3870 pressbutton(struct swm_region *r, union arg *args)
3871 {
3872         /* suppress unused warning since var is needed */
3873         (void)r;
3874
3875         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
3876             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3877         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
3878             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3879 }
3880
3881 void
3882 raise_toggle(struct swm_region *r, union arg *args)
3883 {
3884         /* suppress unused warning since var is needed */
3885         (void)args;
3886
3887         if (r == NULL || r->ws == NULL)
3888                 return;
3889
3890         r->ws->always_raise = !r->ws->always_raise;
3891
3892         /* bring floaters back to top */
3893         if (r->ws->always_raise == 0)
3894                 stack();
3895
3896         xcb_flush(conn);
3897 }
3898
3899 void
3900 iconify(struct swm_region *r, union arg *args)
3901 {
3902         union arg a;
3903
3904         /* suppress unused warning since var is needed */
3905         (void)args;
3906
3907         if (r->ws->focus == NULL)
3908                 return;
3909         unmap_window(r->ws->focus);
3910         update_iconic(r->ws->focus, 1);
3911         stack();
3912
3913         r->ws->focus = NULL;
3914         a.id = SWM_ARG_ID_FOCUSCUR;
3915         focus(r, &a);
3916
3917         xcb_flush(conn);
3918 }
3919
3920 char *
3921 get_win_name(xcb_window_t win)
3922 {
3923         char                            *name = NULL;
3924         xcb_get_property_cookie_t       c;
3925         xcb_get_property_reply_t        *r;
3926
3927         /* First try _NET_WM_NAME for UTF-8. */
3928         c = xcb_get_property(conn, 0, win, a_netwmname,
3929             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
3930         r = xcb_get_property_reply(conn, c, NULL);
3931
3932         if (!r || r->type == XCB_NONE) {
3933                 free(r);
3934                 /* Use WM_NAME instead; no UTF-8. */
3935                 c = xcb_get_property(conn, 0, win, XCB_ATOM_WM_NAME,
3936                     XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
3937                 r = xcb_get_property_reply(conn, c, NULL);
3938
3939                 if(!r || r->type == XCB_NONE) {
3940                         free(r);
3941                         return NULL;
3942                 }
3943         }
3944
3945         if (r->length > 0)
3946                 name = strndup(xcb_get_property_value(r),
3947                     xcb_get_property_value_length(r));
3948
3949         free(r);
3950         return name;
3951 }
3952
3953 void
3954 uniconify(struct swm_region *r, union arg *args)
3955 {
3956         struct ws_win           *win;
3957         FILE                    *lfile;
3958         char                    *name;
3959         int                     count = 0;
3960
3961         DNPRINTF(SWM_D_MISC, "uniconify\n");
3962
3963         if (r == NULL || r->ws == NULL)
3964                 return;
3965
3966         /* make sure we have anything to uniconify */
3967         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3968                 if (win->ws == NULL)
3969                         continue; /* should never happen */
3970                 if (win->iconic == 0)
3971                         continue;
3972                 count++;
3973         }
3974         if (count == 0)
3975                 return;
3976
3977         search_r = r;
3978         search_resp_action = SWM_SEARCH_UNICONIFY;
3979
3980         spawn_select(r, args, "search", &searchpid);
3981
3982         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3983                 return;
3984
3985         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3986                 if (win->ws == NULL)
3987                         continue; /* should never happen */
3988                 if (win->iconic == 0)
3989                         continue;
3990
3991                 name = get_win_name(win->id);
3992                 if (name == NULL)
3993                         continue;
3994                 fprintf(lfile, "%s.%u\n", name, win->id);
3995                 free(name);
3996         }
3997
3998         fclose(lfile);
3999
4000         xcb_flush(conn);
4001 }
4002
4003 void
4004 name_workspace(struct swm_region *r, union arg *args)
4005 {
4006         FILE                    *lfile;
4007
4008         DNPRINTF(SWM_D_MISC, "name_workspace\n");
4009
4010         if (r == NULL)
4011                 return;
4012
4013         search_r = r;
4014         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
4015
4016         spawn_select(r, args, "name_workspace", &searchpid);
4017
4018         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4019                 return;
4020
4021         fprintf(lfile, "%s", "");
4022         fclose(lfile);
4023 }
4024
4025 void
4026 search_workspace(struct swm_region *r, union arg *args)
4027 {
4028         int                     i;
4029         struct workspace        *ws;
4030         FILE                    *lfile;
4031
4032         DNPRINTF(SWM_D_MISC, "search_workspace\n");
4033
4034         if (r == NULL)
4035                 return;
4036
4037         search_r = r;
4038         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
4039
4040         spawn_select(r, args, "search", &searchpid);
4041
4042         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4043                 return;
4044
4045         for (i = 0; i < workspace_limit; i++) {
4046                 ws = &r->s->ws[i];
4047                 if (ws == NULL)
4048                         continue;
4049                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
4050                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
4051         }
4052
4053         fclose(lfile);
4054 }
4055
4056 void
4057 search_win_cleanup(void)
4058 {
4059         struct search_window    *sw = NULL;
4060
4061         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
4062                 xcb_destroy_window(conn, sw->indicator);
4063                 TAILQ_REMOVE(&search_wl, sw, entry);
4064                 free(sw);
4065         }
4066 }
4067
4068 void
4069 search_win(struct swm_region *r, union arg *args)
4070 {
4071         struct ws_win           *win = NULL;
4072         struct search_window    *sw = NULL;
4073         xcb_window_t            w;
4074         uint32_t                wa[2];
4075         int                     i, width, height;
4076         char                    s[8];
4077         FILE                    *lfile;
4078         size_t                  len;
4079         XftDraw                 *draw;
4080         XGlyphInfo              info;
4081         GC                      l_draw;
4082         XGCValues               l_gcv;
4083         XRectangle              l_ibox, l_lbox;
4084
4085         DNPRINTF(SWM_D_MISC, "search_win\n");
4086
4087         search_r = r;
4088         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
4089
4090         spawn_select(r, args, "search", &searchpid);
4091
4092         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4093                 return;
4094
4095         TAILQ_INIT(&search_wl);
4096
4097         i = 1;
4098         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4099                 if (win->iconic == 1)
4100                         continue;
4101
4102                 sw = calloc(1, sizeof(struct search_window));
4103                 if (sw == NULL) {
4104                         warn("search_win: calloc");
4105                         fclose(lfile);
4106                         search_win_cleanup();
4107                         return;
4108                 }
4109                 sw->idx = i;
4110                 sw->win = win;
4111
4112                 snprintf(s, sizeof s, "%d", i);
4113                 len = strlen(s);
4114
4115                 w = xcb_generate_id(conn);
4116                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
4117                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].pixel;
4118
4119                 if (bar_font_legacy) {
4120                         XmbTextExtents(bar_fs, s, len, &l_ibox, &l_lbox);
4121                         width = l_lbox.width + 4;
4122                         height = bar_fs_extents->max_logical_extent.height + 4;
4123                 } else {
4124                         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len,
4125                             &info);
4126                         width = info.width + 4;
4127                         height = bar_font->height + 4;
4128                 }
4129
4130                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
4131                     width, height, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
4132                     XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL |
4133                     XCB_CW_BORDER_PIXEL, wa);
4134
4135                 map_window_raised(w);
4136
4137                 sw->indicator = w;
4138                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
4139
4140                 if (bar_font_legacy) {
4141                         l_gcv.graphics_exposures = 0;
4142                         l_draw = XCreateGC(display, w, 0, &l_gcv);
4143
4144                         XSetForeground(display, l_draw,
4145                                 r->s->c[SWM_S_COLOR_BAR].pixel);
4146
4147                         DRAWSTRING(display, w, bar_fs, l_draw, 2,
4148                             (bar_fs_extents->max_logical_extent.height -
4149                             l_lbox.height) / 2 - l_lbox.y, s, len);
4150
4151                         XFreeGC(display, l_draw);
4152                 } else {
4153
4154                         draw = XftDrawCreate(display, w,
4155                             DefaultVisual(display, r->s->idx),
4156                             DefaultColormap(display, r->s->idx));
4157
4158                         XftDrawStringUtf8(draw, &bar_font_color, bar_font, 2,
4159                             (HEIGHT(r->bar) + bar_font->height) / 2 -
4160                             bar_font->descent, (FcChar8 *)s, len);
4161
4162                         XftDrawDestroy(draw);
4163                 }
4164
4165                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
4166
4167                 fprintf(lfile, "%d\n", i);
4168                 i++;
4169         }
4170
4171         fclose(lfile);
4172
4173         xcb_flush(conn);
4174 }
4175
4176 void
4177 search_resp_uniconify(char *resp, unsigned long len)
4178 {
4179         char                    *name;
4180         struct ws_win           *win;
4181         char                    *s;
4182
4183         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
4184
4185         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
4186                 if (win->iconic == 0)
4187                         continue;
4188                 name = get_win_name(win->id);
4189                 if (name == NULL)
4190                         continue;
4191                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
4192                         free(name);
4193                         continue;
4194                 }
4195                 free(name);
4196                 if (strncmp(s, resp, len) == 0) {
4197                         /* XXX this should be a callback to generalize */
4198                         update_iconic(win, 0);
4199                         free(s);
4200                         break;
4201                 }
4202                 free(s);
4203         }
4204 }
4205
4206 void
4207 search_resp_name_workspace(char *resp, unsigned long len)
4208 {
4209         struct workspace        *ws;
4210
4211         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
4212
4213         if (search_r->ws == NULL)
4214                 return;
4215         ws = search_r->ws;
4216
4217         if (ws->name) {
4218                 free(search_r->ws->name);
4219                 search_r->ws->name = NULL;
4220         }
4221
4222         if (len > 1) {
4223                 ws->name = strdup(resp);
4224                 if (ws->name == NULL) {
4225                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
4226                             "strdup: %s", strerror(errno));
4227                         return;
4228                 }
4229         }
4230 }
4231
4232 void
4233 search_resp_search_workspace(char *resp)
4234 {
4235         char                    *p, *q;
4236         int                     ws_idx;
4237         const char              *errstr;
4238         union arg               a;
4239
4240         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
4241
4242         q = strdup(resp);
4243         if (!q) {
4244                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
4245                     strerror(errno));
4246                 return;
4247         }
4248         p = strchr(q, ':');
4249         if (p != NULL)
4250                 *p = '\0';
4251         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
4252         if (errstr) {
4253                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4254                     errstr, q);
4255                 free(q);
4256                 return;
4257         }
4258         free(q);
4259         a.id = ws_idx - 1;
4260         switchws(search_r, &a);
4261 }
4262
4263 void
4264 search_resp_search_window(char *resp)
4265 {
4266         char                    *s;
4267         int                     idx;
4268         const char              *errstr;
4269         struct search_window    *sw;
4270
4271         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4272
4273         s = strdup(resp);
4274         if (!s) {
4275                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4276                     strerror(errno));
4277                 return;
4278         }
4279
4280         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
4281         if (errstr) {
4282                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4283                     errstr, s);
4284                 free(s);
4285                 return;
4286         }
4287         free(s);
4288
4289         TAILQ_FOREACH(sw, &search_wl, entry)
4290                 if (idx == sw->idx) {
4291                         focus_win(sw->win);
4292                         break;
4293                 }
4294 }
4295
4296 #define MAX_RESP_LEN    1024
4297
4298 void
4299 search_do_resp(void)
4300 {
4301         ssize_t                 rbytes;
4302         char                    *resp;
4303         unsigned long           len;
4304
4305         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4306
4307         search_resp = 0;
4308         searchpid = 0;
4309
4310         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4311                 warn("search: calloc");
4312                 goto done;
4313         }
4314
4315         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4316         if (rbytes <= 0) {
4317                 warn("search: read error");
4318                 goto done;
4319         }
4320         resp[rbytes] = '\0';
4321
4322         /* XXX:
4323          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4324          * newline, so work around that by sanitizing the resp now.
4325          */
4326         resp[strcspn(resp, "\n")] = '\0';
4327         len = strlen(resp);
4328
4329         switch (search_resp_action) {
4330         case SWM_SEARCH_UNICONIFY:
4331                 search_resp_uniconify(resp, len);
4332                 break;
4333         case SWM_SEARCH_NAME_WORKSPACE:
4334                 search_resp_name_workspace(resp, len);
4335                 break;
4336         case SWM_SEARCH_SEARCH_WORKSPACE:
4337                 search_resp_search_workspace(resp);
4338                 break;
4339         case SWM_SEARCH_SEARCH_WINDOW:
4340                 search_resp_search_window(resp);
4341                 break;
4342         }
4343
4344 done:
4345         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4346                 search_win_cleanup();
4347
4348         search_resp_action = SWM_SEARCH_NONE;
4349         close(select_resp_pipe[0]);
4350         free(resp);
4351 }
4352
4353 void
4354 wkill(struct swm_region *r, union arg *args)
4355 {
4356         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4357
4358         if (r->ws->focus == NULL)
4359                 return;
4360
4361         if (args->id == SWM_ARG_ID_KILLWINDOW)
4362                 xcb_kill_client(conn, r->ws->focus->id);
4363         else
4364                 if (r->ws->focus->can_delete)
4365                         client_msg(r->ws->focus, a_delete);
4366
4367         xcb_flush(conn);
4368 }
4369
4370
4371 int
4372 floating_toggle_win(struct ws_win *win)
4373 {
4374         struct swm_region       *r;
4375
4376         if (win == NULL)
4377                 return (0);
4378
4379         if (!win->ws->r)
4380                 return (0);
4381
4382         r = win->ws->r;
4383
4384         /* reject floating toggles in max stack mode */
4385         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4386                 return (0);
4387
4388         if (win->floating) {
4389                 if (!win->floatmaxed) {
4390                         /* retain position for refloat */
4391                         store_float_geom(win, r);
4392                 }
4393                 win->floating = 0;
4394         } else {
4395                 if (win->g_floatvalid) {
4396                         /* refloat at last floating relative position */
4397                         X(win) = win->g_float.x + X(r);
4398                         Y(win) = win->g_float.y + Y(r);
4399                         WIDTH(win) = win->g_float.w;
4400                         HEIGHT(win) = win->g_float.h;
4401                 }
4402                 win->floating = 1;
4403         }
4404
4405         ewmh_update_actions(win);
4406
4407         return (1);
4408 }
4409
4410 void
4411 floating_toggle(struct swm_region *r, union arg *args)
4412 {
4413         struct ws_win           *win = r->ws->focus;
4414         union arg               a;
4415
4416         /* suppress unused warning since var is needed */
4417         (void)args;
4418
4419         if (win == NULL)
4420                 return;
4421
4422         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4423             _NET_WM_STATE_TOGGLE);
4424
4425         stack();
4426
4427         if (win == win->ws->focus) {
4428                 a.id = SWM_ARG_ID_FOCUSCUR;
4429                 focus(win->ws->r, &a);
4430         }
4431
4432         xcb_flush(conn);
4433         event_drain(XCB_ENTER_NOTIFY);
4434 }
4435
4436 void
4437 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4438 {
4439         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4440                 if (resizable)
4441                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4442                 else
4443                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4444         }
4445
4446         if (X(win) + BORDER(win) < X(r)) {
4447                 if (resizable)
4448                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4449
4450                 X(win) = X(r) - BORDER(win);
4451         }
4452
4453         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4454                 if (resizable)
4455                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4456                 else
4457                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4458         }
4459
4460         if (Y(win) + BORDER(win) < Y(r)) {
4461                 if (resizable)
4462                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4463
4464                 Y(win) = Y(r) - BORDER(win);
4465         }
4466
4467         if (resizable) {
4468                 if (WIDTH(win) < 1)
4469                         WIDTH(win) = 1;
4470                 if (HEIGHT(win) < 1)
4471                         HEIGHT(win) = 1;
4472         }
4473 }
4474
4475 void
4476 update_window(struct ws_win *win)
4477 {
4478         uint16_t        mask;
4479         uint32_t        wc[5];
4480
4481         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4482             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4483             XCB_CONFIG_WINDOW_BORDER_WIDTH;
4484         wc[0] = X(win);
4485         wc[1] = Y(win);
4486         wc[2] = WIDTH(win);
4487         wc[3] = HEIGHT(win);
4488         wc[4] = BORDER(win);
4489
4490         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4491             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4492             wc[3], YESNO(win->bordered));
4493
4494         xcb_configure_window(conn, win->id, mask, wc);
4495 }
4496
4497 #define SWM_RESIZE_STEPS        (50)
4498
4499 void
4500 resize(struct ws_win *win, union arg *args)
4501 {
4502         xcb_timestamp_t         timestamp = 0;
4503         struct swm_region       *r = NULL;
4504         int                     resize_step = 0;
4505         struct swm_geometry     g;
4506         int                     top = 0, left = 0, resizing;
4507         int                     dx, dy;
4508         unsigned int            shape; /* cursor style */
4509         xcb_cursor_t            cursor;
4510         xcb_font_t              cursor_font;
4511         xcb_query_pointer_reply_t       *xpr;
4512         xcb_generic_event_t             *evt;
4513         xcb_motion_notify_event_t       *mne;
4514
4515         if (win == NULL)
4516                 return;
4517         r = win->ws->r;
4518
4519         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4520                 return;
4521
4522         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
4523             "transient: 0x%x\n", win->id, YESNO(win->floating),
4524             win->transient);
4525
4526         if (!(win->transient != 0 || win->floating != 0))
4527                 return;
4528
4529         /* reject resizes in max mode for floaters (transient ok) */
4530         if (win->floatmaxed)
4531                 return;
4532
4533         win->manual = 1;
4534         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4535             _NET_WM_STATE_ADD);
4536
4537         stack();
4538
4539         switch (args->id) {
4540         case SWM_ARG_ID_WIDTHSHRINK:
4541                 WIDTH(win) -= SWM_RESIZE_STEPS;
4542                 resize_step = 1;
4543                 break;
4544         case SWM_ARG_ID_WIDTHGROW:
4545                 WIDTH(win) += SWM_RESIZE_STEPS;
4546                 resize_step = 1;
4547                 break;
4548         case SWM_ARG_ID_HEIGHTSHRINK:
4549                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4550                 resize_step = 1;
4551                 break;
4552         case SWM_ARG_ID_HEIGHTGROW:
4553                 HEIGHT(win) += SWM_RESIZE_STEPS;
4554                 resize_step = 1;
4555                 break;
4556         default:
4557                 break;
4558         }
4559         if (resize_step) {
4560                 constrain_window(win, r, 1);
4561                 update_window(win);
4562                 store_float_geom(win,r);
4563                 return;
4564         }
4565
4566         /* get cursor offset from window root */
4567         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4568             NULL);
4569         if (!xpr)
4570                 return;
4571
4572         g = win->g;
4573
4574         if (xpr->win_x < WIDTH(win) / 2)
4575                 left = 1;
4576
4577         if (xpr->win_y < HEIGHT(win) / 2)
4578                 top = 1;
4579
4580         if (args->id == SWM_ARG_ID_CENTER)
4581                 shape = XC_sizing;
4582         else if (top)
4583                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4584         else
4585                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4586
4587         cursor_font = xcb_generate_id(conn);
4588         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4589
4590         cursor = xcb_generate_id(conn);
4591         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4592             shape, shape + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4593
4594         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
4595             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
4596             XCB_CURRENT_TIME),
4597
4598         xcb_flush(conn);
4599         resizing = 1;
4600         while ((evt = xcb_wait_for_event(conn)) && resizing) {
4601                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4602                 case XCB_BUTTON_RELEASE:
4603                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
4604                         resizing = 0;
4605                         break;
4606                 case XCB_MOTION_NOTIFY:
4607                         mne = (xcb_motion_notify_event_t *)evt;
4608                         /* cursor offset/delta from start of the operation */
4609                         dx = mne->root_x - xpr->root_x;
4610                         dy = mne->root_y - xpr->root_y;
4611
4612                         /* vertical */
4613                         if (top)
4614                                 dy = -dy;
4615
4616                         if (args->id == SWM_ARG_ID_CENTER) {
4617                                 if (g.h / 2 + dy < 1)
4618                                         dy = 1 - g.h / 2;
4619
4620                                 Y(win) = g.y - dy;
4621                                 HEIGHT(win) = g.h + 2 * dy;
4622                         } else {
4623                                 if (g.h + dy < 1)
4624                                         dy = 1 - g.h;
4625
4626                                 if (top)
4627                                         Y(win) = g.y - dy;
4628
4629                                 HEIGHT(win) = g.h + dy;
4630                         }
4631
4632                         /* horizontal */
4633                         if (left)
4634                                 dx = -dx;
4635
4636                         if (args->id == SWM_ARG_ID_CENTER) {
4637                                 if (g.w / 2 + dx < 1)
4638                                         dx = 1 - g.w / 2;
4639
4640                                 X(win) = g.x - dx;
4641                                 WIDTH(win) = g.w + 2 * dx;
4642                         } else {
4643                                 if (g.w + dx < 1)
4644                                         dx = 1 - g.w;
4645
4646                                 if (left)
4647                                         X(win) = g.x - dx;
4648
4649                                 WIDTH(win) = g.w + dx;
4650                         }
4651
4652                         constrain_window(win, r, 1);
4653
4654                         /* not free, don't sync more than 120 times / second */
4655                         if ((mne->time - timestamp) > (1000 / 120) ) {
4656                                 timestamp = mne->time;
4657                                 do_sync();
4658                                 update_window(win);
4659                         }
4660                         break;
4661                 default:
4662                         event_handle(evt);
4663                         break;
4664                 }
4665                 free(evt);
4666         }
4667         if (timestamp) {
4668                 do_sync();
4669                 update_window(win);
4670         }
4671         store_float_geom(win,r);
4672
4673         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4674         xcb_free_cursor(conn, cursor);
4675         xcb_close_font(conn, cursor_font);
4676         free(xpr);
4677         DNPRINTF(SWM_D_EVENT, "resize: done\n");
4678 }
4679
4680 void
4681 resize_step(struct swm_region *r, union arg *args)
4682 {
4683         struct ws_win           *win = NULL;
4684
4685         if (r && r->ws && r->ws->focus)
4686                 win = r->ws->focus;
4687         else
4688                 return;
4689
4690         resize(win, args);
4691 }
4692
4693 #define SWM_MOVE_STEPS  (50)
4694
4695 void
4696 move(struct ws_win *win, union arg *args)
4697 {
4698         xcb_timestamp_t         timestamp = 0;
4699         int                     move_step = 0, moving;
4700         struct swm_region       *r = NULL;
4701         xcb_font_t                      cursor_font;
4702         xcb_cursor_t                    cursor;
4703         xcb_query_pointer_reply_t       *qpr;
4704         xcb_generic_event_t             *evt;
4705         xcb_motion_notify_event_t       *mne;
4706
4707         if (win == NULL)
4708                 return;
4709         r = win->ws->r;
4710
4711         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4712                 return;
4713
4714         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
4715             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4716
4717         /* in max_stack mode should only move transients */
4718         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4719                 return;
4720
4721         win->manual = 1;
4722         if (win->floating == 0 && !win->transient) {
4723                 store_float_geom(win, r);
4724                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4725                     _NET_WM_STATE_ADD);
4726         }
4727         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4728             _NET_WM_STATE_ADD);
4729
4730         stack();
4731
4732         move_step = 0;
4733         switch (args->id) {
4734         case SWM_ARG_ID_MOVELEFT:
4735                 X(win) -= (SWM_MOVE_STEPS - border_width);
4736                 move_step = 1;
4737                 break;
4738         case SWM_ARG_ID_MOVERIGHT:
4739                 X(win) += (SWM_MOVE_STEPS - border_width);
4740                 move_step = 1;
4741                 break;
4742         case SWM_ARG_ID_MOVEUP:
4743                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4744                 move_step = 1;
4745                 break;
4746         case SWM_ARG_ID_MOVEDOWN:
4747                 Y(win) += (SWM_MOVE_STEPS - border_width);
4748                 move_step = 1;
4749                 break;
4750         default:
4751                 break;
4752         }
4753         if (move_step) {
4754                 constrain_window(win, r, 0);
4755                 update_window(win);
4756                 store_float_geom(win, r);
4757                 return;
4758         }
4759
4760         cursor_font = xcb_generate_id(conn);
4761         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4762
4763         cursor = xcb_generate_id(conn);
4764         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4765                 XC_fleur, XC_fleur + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4766
4767         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
4768             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
4769             XCB_WINDOW_NONE, cursor, XCB_CURRENT_TIME);
4770
4771         /* get cursor offset from window root */
4772         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4773                 NULL);
4774         if (!qpr) {
4775                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4776                 xcb_free_cursor(conn, cursor);
4777                 xcb_close_font(conn, cursor_font);
4778                 return;
4779         }
4780
4781         xcb_flush(conn);
4782         moving = 1;
4783         while ((evt = xcb_wait_for_event(conn)) && moving) {
4784                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4785                 case XCB_BUTTON_RELEASE:
4786                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
4787                         moving = 0;
4788                         break;
4789                 case XCB_MOTION_NOTIFY:
4790                         mne = (xcb_motion_notify_event_t *)evt;
4791                         X(win) = mne->root_x - qpr->win_x - border_width;
4792                         Y(win) = mne->root_y - qpr->win_y - border_width;
4793
4794                         constrain_window(win, r, 0);
4795
4796                         /* not free, don't sync more than 120 times / second */
4797                         if ((mne->time - timestamp) > (1000 / 120) ) {
4798                                 timestamp = mne->time;
4799                                 do_sync();
4800                                 update_window(win);
4801                         }
4802                         break;
4803                 default:
4804                         event_handle(evt);
4805                         break;
4806                 }
4807                 free(evt);
4808         }
4809         if (timestamp) {
4810                 do_sync();
4811                 update_window(win);
4812         }
4813         store_float_geom(win, r);
4814         free(qpr);
4815         xcb_free_cursor(conn, cursor);
4816         xcb_close_font(conn, cursor_font);
4817         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4818         DNPRINTF(SWM_D_EVENT, "move: done\n");
4819 }
4820
4821 void
4822 move_step(struct swm_region *r, union arg *args)
4823 {
4824         struct ws_win           *win = NULL;
4825
4826         if (r && r->ws && r->ws->focus)
4827                 win = r->ws->focus;
4828         else
4829                 return;
4830
4831         if (!(win->transient != 0 || win->floating != 0))
4832                 return;
4833
4834         move(win, args);
4835 }
4836
4837
4838 /* user/key callable function IDs */
4839 enum keyfuncid {
4840         KF_BAR_TOGGLE,
4841         KF_BUTTON2,
4842         KF_CYCLE_LAYOUT,
4843         KF_FLIP_LAYOUT,
4844         KF_FLOAT_TOGGLE,
4845         KF_FOCUS_MAIN,
4846         KF_FOCUS_NEXT,
4847         KF_FOCUS_PREV,
4848         KF_HEIGHT_GROW,
4849         KF_HEIGHT_SHRINK,
4850         KF_ICONIFY,
4851         KF_MASTER_SHRINK,
4852         KF_MASTER_GROW,
4853         KF_MASTER_ADD,
4854         KF_MASTER_DEL,
4855         KF_MOVE_DOWN,
4856         KF_MOVE_LEFT,
4857         KF_MOVE_RIGHT,
4858         KF_MOVE_UP,
4859         KF_MVWS_1,
4860         KF_MVWS_2,
4861         KF_MVWS_3,
4862         KF_MVWS_4,
4863         KF_MVWS_5,
4864         KF_MVWS_6,
4865         KF_MVWS_7,
4866         KF_MVWS_8,
4867         KF_MVWS_9,
4868         KF_MVWS_10,
4869         KF_MVWS_11,
4870         KF_MVWS_12,
4871         KF_MVWS_13,
4872         KF_MVWS_14,
4873         KF_MVWS_15,
4874         KF_MVWS_16,
4875         KF_MVWS_17,
4876         KF_MVWS_18,
4877         KF_MVWS_19,
4878         KF_MVWS_20,
4879         KF_MVWS_21,
4880         KF_MVWS_22,
4881         KF_NAME_WORKSPACE,
4882         KF_QUIT,
4883         KF_RAISE_TOGGLE,
4884         KF_RESTART,
4885         KF_SCREEN_NEXT,
4886         KF_SCREEN_PREV,
4887         KF_SEARCH_WIN,
4888         KF_SEARCH_WORKSPACE,
4889         KF_SPAWN_CUSTOM,
4890         KF_STACK_INC,
4891         KF_STACK_DEC,
4892         KF_STACK_RESET,
4893         KF_SWAP_MAIN,
4894         KF_SWAP_NEXT,
4895         KF_SWAP_PREV,
4896         KF_UNICONIFY,
4897         KF_VERSION,
4898         KF_WIDTH_GROW,
4899         KF_WIDTH_SHRINK,
4900         KF_WIND_DEL,
4901         KF_WIND_KILL,
4902         KF_WS_1,
4903         KF_WS_2,
4904         KF_WS_3,
4905         KF_WS_4,
4906         KF_WS_5,
4907         KF_WS_6,
4908         KF_WS_7,
4909         KF_WS_8,
4910         KF_WS_9,
4911         KF_WS_10,
4912         KF_WS_11,
4913         KF_WS_12,
4914         KF_WS_13,
4915         KF_WS_14,
4916         KF_WS_15,
4917         KF_WS_16,
4918         KF_WS_17,
4919         KF_WS_18,
4920         KF_WS_19,
4921         KF_WS_20,
4922         KF_WS_21,
4923         KF_WS_22,
4924         KF_WS_NEXT,
4925         KF_WS_NEXT_ALL,
4926         KF_WS_PREV,
4927         KF_WS_PREV_ALL,
4928         KF_WS_PRIOR,
4929         KF_DUMPWINS, /* MUST BE LAST */
4930         KF_INVALID
4931 };
4932
4933 /* key definitions */
4934 struct keyfunc {
4935         char                    name[SWM_FUNCNAME_LEN];
4936         void                    (*func)(struct swm_region *r, union arg *);
4937         union arg               args;
4938 } keyfuncs[KF_INVALID + 1] = {
4939         /* name                 function        argument */
4940         { "bar_toggle",         bar_toggle,     {0} },
4941         { "button2",            pressbutton,    {2} },
4942         { "cycle_layout",       cycle_layout,   {0} },
4943         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4944         { "float_toggle",       floating_toggle,{0} },
4945         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4946         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4947         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4948         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4949         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4950         { "iconify",            iconify,        {0} },
4951         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4952         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4953         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4954         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4955         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4956         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4957         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4958         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4959         { "mvws_1",             send_to_ws,     {.id = 0} },
4960         { "mvws_2",             send_to_ws,     {.id = 1} },
4961         { "mvws_3",             send_to_ws,     {.id = 2} },
4962         { "mvws_4",             send_to_ws,     {.id = 3} },
4963         { "mvws_5",             send_to_ws,     {.id = 4} },
4964         { "mvws_6",             send_to_ws,     {.id = 5} },
4965         { "mvws_7",             send_to_ws,     {.id = 6} },
4966         { "mvws_8",             send_to_ws,     {.id = 7} },
4967         { "mvws_9",             send_to_ws,     {.id = 8} },
4968         { "mvws_10",            send_to_ws,     {.id = 9} },
4969         { "mvws_11",            send_to_ws,     {.id = 10} },
4970         { "mvws_12",            send_to_ws,     {.id = 11} },
4971         { "mvws_13",            send_to_ws,     {.id = 12} },
4972         { "mvws_14",            send_to_ws,     {.id = 13} },
4973         { "mvws_15",            send_to_ws,     {.id = 14} },
4974         { "mvws_16",            send_to_ws,     {.id = 15} },
4975         { "mvws_17",            send_to_ws,     {.id = 16} },
4976         { "mvws_18",            send_to_ws,     {.id = 17} },
4977         { "mvws_19",            send_to_ws,     {.id = 18} },
4978         { "mvws_20",            send_to_ws,     {.id = 19} },
4979         { "mvws_21",            send_to_ws,     {.id = 20} },
4980         { "mvws_22",            send_to_ws,     {.id = 21} },
4981         { "name_workspace",     name_workspace, {0} },
4982         { "quit",               quit,           {0} },
4983         { "raise_toggle",       raise_toggle,   {0} },
4984         { "restart",            restart,        {0} },
4985         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4986         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4987         { "search_win",         search_win,     {0} },
4988         { "search_workspace",   search_workspace,       {0} },
4989         { "spawn_custom",       NULL,           {0} },
4990         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4991         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4992         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4993         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4994         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4995         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4996         { "uniconify",          uniconify,      {0} },
4997         { "version",            version,        {0} },
4998         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4999         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
5000         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
5001         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
5002         { "ws_1",               switchws,       {.id = 0} },
5003         { "ws_2",               switchws,       {.id = 1} },
5004         { "ws_3",               switchws,       {.id = 2} },
5005         { "ws_4",               switchws,       {.id = 3} },
5006         { "ws_5",               switchws,       {.id = 4} },
5007         { "ws_6",               switchws,       {.id = 5} },
5008         { "ws_7",               switchws,       {.id = 6} },
5009         { "ws_8",               switchws,       {.id = 7} },
5010         { "ws_9",               switchws,       {.id = 8} },
5011         { "ws_10",              switchws,       {.id = 9} },
5012         { "ws_11",              switchws,       {.id = 10} },
5013         { "ws_12",              switchws,       {.id = 11} },
5014         { "ws_13",              switchws,       {.id = 12} },
5015         { "ws_14",              switchws,       {.id = 13} },
5016         { "ws_15",              switchws,       {.id = 14} },
5017         { "ws_16",              switchws,       {.id = 15} },
5018         { "ws_17",              switchws,       {.id = 16} },
5019         { "ws_18",              switchws,       {.id = 17} },
5020         { "ws_19",              switchws,       {.id = 18} },
5021         { "ws_20",              switchws,       {.id = 19} },
5022         { "ws_21",              switchws,       {.id = 20} },
5023         { "ws_22",              switchws,       {.id = 21} },
5024         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
5025         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
5026         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
5027         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
5028         { "ws_prior",           priorws,        {0} },
5029         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
5030         { "invalid key func",   NULL,           {0} },
5031 };
5032 struct key {
5033         RB_ENTRY(key)           entry;
5034         unsigned int            mod;
5035         KeySym                  keysym;
5036         enum keyfuncid          funcid;
5037         char                    *spawn_name;
5038 };
5039 RB_HEAD(key_tree, key);
5040
5041 int
5042 key_cmp(struct key *kp1, struct key *kp2)
5043 {
5044         if (kp1->keysym < kp2->keysym)
5045                 return (-1);
5046         if (kp1->keysym > kp2->keysym)
5047                 return (1);
5048
5049         if (kp1->mod < kp2->mod)
5050                 return (-1);
5051         if (kp1->mod > kp2->mod)
5052                 return (1);
5053
5054         return (0);
5055 }
5056
5057 RB_GENERATE(key_tree, key, entry, key_cmp);
5058 struct key_tree                 keys;
5059
5060 /* mouse */
5061 enum { client_click, root_click };
5062 struct button {
5063         unsigned int            action;
5064         unsigned int            mask;
5065         unsigned int            button;
5066         void                    (*func)(struct ws_win *, union arg *);
5067         union arg               args;
5068 } buttons[] = {
5069           /* action     key             mouse button    func    args */
5070         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
5071         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
5072         { client_click, MODKEY,         Button1,        move,   {0} },
5073 };
5074
5075 void
5076 update_modkey(unsigned int mod)
5077 {
5078         int                     i;
5079         struct key              *kp;
5080
5081         mod_key = mod;
5082         RB_FOREACH(kp, key_tree, &keys)
5083                 if (kp->mod & ShiftMask)
5084                         kp->mod = mod | ShiftMask;
5085                 else
5086                         kp->mod = mod;
5087
5088         for (i = 0; i < LENGTH(buttons); i++)
5089                 if (buttons[i].mask & ShiftMask)
5090                         buttons[i].mask = mod | ShiftMask;
5091                 else
5092                         buttons[i].mask = mod;
5093 }
5094
5095 /* spawn */
5096 struct spawn_prog {
5097         TAILQ_ENTRY(spawn_prog) entry;
5098         char                    *name;
5099         int                     argc;
5100         char                    **argv;
5101 };
5102 TAILQ_HEAD(spawn_list, spawn_prog);
5103 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
5104
5105 int
5106 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
5107     char ***ret_args)
5108 {
5109         struct spawn_prog       *prog = NULL;
5110         int                     i;
5111         char                    *ap, **real_args;
5112
5113         /* suppress unused warning since var is needed */
5114         (void)args;
5115
5116         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
5117
5118         /* find program */
5119         TAILQ_FOREACH(prog, &spawns, entry) {
5120                 if (!strcasecmp(spawn_name, prog->name))
5121                         break;
5122         }
5123         if (prog == NULL) {
5124                 warnx("spawn_custom: program %s not found", spawn_name);
5125                 return (-1);
5126         }
5127
5128         /* make room for expanded args */
5129         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
5130                 err(1, "spawn_custom: calloc real_args");
5131
5132         /* expand spawn_args into real_args */
5133         for (i = 0; i < prog->argc; i++) {
5134                 ap = prog->argv[i];
5135                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
5136                 if (!strcasecmp(ap, "$bar_border")) {
5137                         if ((real_args[i] =
5138                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
5139                             == NULL)
5140                                 err(1,  "spawn_custom border color");
5141                 } else if (!strcasecmp(ap, "$bar_color")) {
5142                         if ((real_args[i] =
5143                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
5144                             == NULL)
5145                                 err(1, "spawn_custom bar color");
5146                 } else if (!strcasecmp(ap, "$bar_font")) {
5147                         if ((real_args[i] = strdup(bar_fonts))
5148                             == NULL)
5149                                 err(1, "spawn_custom bar fonts");
5150                 } else if (!strcasecmp(ap, "$bar_font_color")) {
5151                         if ((real_args[i] =
5152                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
5153                             == NULL)
5154                                 err(1, "spawn_custom color font");
5155                 } else if (!strcasecmp(ap, "$color_focus")) {
5156                         if ((real_args[i] =
5157                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
5158                             == NULL)
5159                                 err(1, "spawn_custom color focus");
5160                 } else if (!strcasecmp(ap, "$color_unfocus")) {
5161                         if ((real_args[i] =
5162                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
5163                             == NULL)
5164                                 err(1, "spawn_custom color unfocus");
5165                 } else {
5166                         /* no match --> copy as is */
5167                         if ((real_args[i] = strdup(ap)) == NULL)
5168                                 err(1, "spawn_custom strdup(ap)");
5169                 }
5170                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
5171                     real_args[i]);
5172         }
5173
5174 #ifdef SWM_DEBUG
5175         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
5176         for (i = 0; i < prog->argc; i++)
5177                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
5178         DNPRINTF(SWM_D_SPAWN, "\n");
5179 #endif
5180         *ret_args = real_args;
5181         return (prog->argc);
5182 }
5183
5184 void
5185 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
5186 {
5187         union arg               a;
5188         char                    **real_args;
5189         int                     spawn_argc, i;
5190
5191         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5192                 return;
5193         a.argv = real_args;
5194         if (fork() == 0)
5195                 spawn(r->ws->idx, &a, 1);
5196
5197         for (i = 0; i < spawn_argc; i++)
5198                 free(real_args[i]);
5199         free(real_args);
5200 }
5201
5202 void
5203 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
5204 {
5205         union arg               a;
5206         char                    **real_args;
5207         int                     i, spawn_argc;
5208
5209         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5210                 return;
5211         a.argv = real_args;
5212
5213         if (pipe(select_list_pipe) == -1)
5214                 err(1, "pipe error");
5215         if (pipe(select_resp_pipe) == -1)
5216                 err(1, "pipe error");
5217
5218         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
5219                 err(1, "could not disable SIGPIPE");
5220         switch (*pid = fork()) {
5221         case -1:
5222                 err(1, "cannot fork");
5223                 break;
5224         case 0: /* child */
5225                 if (dup2(select_list_pipe[0], 0) == -1)
5226                         err(1, "dup2");
5227                 if (dup2(select_resp_pipe[1], 1) == -1)
5228                         err(1, "dup2");
5229                 close(select_list_pipe[1]);
5230                 close(select_resp_pipe[0]);
5231                 spawn(r->ws->idx, &a, 0);
5232                 break;
5233         default: /* parent */
5234                 close(select_list_pipe[0]);
5235                 close(select_resp_pipe[1]);
5236                 break;
5237         }
5238
5239         for (i = 0; i < spawn_argc; i++)
5240                 free(real_args[i]);
5241         free(real_args);
5242 }
5243
5244 void
5245 spawn_insert(char *name, char *args)
5246 {
5247         char                    *arg, *cp, *ptr;
5248         struct spawn_prog       *sp;
5249
5250         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5251
5252         if ((sp = calloc(1, sizeof *sp)) == NULL)
5253                 err(1, "spawn_insert: calloc");
5254         if ((sp->name = strdup(name)) == NULL)
5255                 err(1, "spawn_insert: strdup");
5256
5257         /* convert the arguments to an argument list */
5258         if ((ptr = cp = strdup(args)) == NULL)
5259                 err(1, "spawn_insert: strdup");
5260         while ((arg = strsep(&ptr, " \t")) != NULL) {
5261                 /* empty field; skip it */
5262                 if (*arg == '\0')
5263                         continue;
5264
5265                 sp->argc++;
5266                 if ((sp->argv = realloc(sp->argv, sp->argc *
5267                     sizeof *sp->argv)) == NULL)
5268                         err(1, "spawn_insert: realloc");
5269                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5270                         err(1, "spawn_insert: strdup");
5271         }
5272         free(cp);
5273
5274         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5275         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5276 }
5277
5278 void
5279 spawn_remove(struct spawn_prog *sp)
5280 {
5281         int                     i;
5282
5283         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5284
5285         TAILQ_REMOVE(&spawns, sp, entry);
5286         for (i = 0; i < sp->argc; i++)
5287                 free(sp->argv[i]);
5288         free(sp->argv);
5289         free(sp->name);
5290         free(sp);
5291
5292         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5293 }
5294
5295 void
5296 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5297 {
5298         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5299
5300         spawn_remove(sp);
5301         spawn_insert(name, args);
5302
5303         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5304 }
5305
5306 void
5307 setspawn(char *name, char *args)
5308 {
5309         struct spawn_prog       *sp;
5310
5311         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5312
5313         if (name == NULL)
5314                 return;
5315
5316         TAILQ_FOREACH(sp, &spawns, entry) {
5317                 if (!strcmp(sp->name, name)) {
5318                         if (*args == '\0')
5319                                 spawn_remove(sp);
5320                         else
5321                                 spawn_replace(sp, name, args);
5322                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5323                         return;
5324                 }
5325         }
5326         if (*args == '\0') {
5327                 warnx("error: setspawn: cannot find program: %s", name);
5328                 return;
5329         }
5330
5331         spawn_insert(name, args);
5332         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5333 }
5334
5335 int
5336 setconfspawn(char *selector, char *value, int flags)
5337 {
5338         char *args;
5339
5340         /* suppress unused warning since var is needed */
5341         (void)flags;
5342
5343         args = expand_tilde(value);
5344
5345         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, args);
5346
5347         setspawn(selector, args);
5348         free(args);
5349
5350         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5351         return (0);
5352 }
5353
5354 void
5355 setup_spawn(void)
5356 {
5357         setconfspawn("term",            "xterm",                0);
5358         setconfspawn("spawn_term",      "xterm",                0);
5359         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5360         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5361         setconfspawn("lock",            "xlock",                0);
5362         setconfspawn("initscr",         "initscreen.sh",        0);
5363         setconfspawn("menu",            "dmenu_run"
5364                                         " -fn $bar_font"
5365                                         " -nb $bar_color"
5366                                         " -nf $bar_font_color"
5367                                         " -sb $bar_border"
5368                                         " -sf $bar_color",      0);
5369         setconfspawn("search",          "dmenu"
5370                                         " -i"
5371                                         " -fn $bar_font"
5372                                         " -nb $bar_color"
5373                                         " -nf $bar_font_color"
5374                                         " -sb $bar_border"
5375                                         " -sf $bar_color",      0);
5376         setconfspawn("name_workspace",  "dmenu"
5377                                         " -p Workspace"
5378                                         " -fn $bar_font"
5379                                         " -nb $bar_color"
5380                                         " -nf $bar_font_color"
5381                                         " -sb $bar_border"
5382                                         " -sf $bar_color",      0);
5383 }
5384
5385 /* key bindings */
5386 #define SWM_MODNAME_SIZE        32
5387 #define SWM_KEY_WS              "\n+ \t"
5388 int
5389 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5390 {
5391         char                    *cp, *name;
5392         KeySym                  uks;
5393         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5394         if (mod == NULL || ks == NULL) {
5395                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5396                 return (1);
5397         }
5398         if (keystr == NULL || strlen(keystr) == 0) {
5399                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5400                 return (1);
5401         }
5402         cp = keystr;
5403         *ks = XCB_NO_SYMBOL;
5404         *mod = 0;
5405         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5406                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5407                 if (cp)
5408                         cp += (long)strspn(cp, SWM_KEY_WS);
5409                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5410                         *mod |= currmod;
5411                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5412                         *mod |= Mod1Mask;
5413                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5414                         *mod += Mod2Mask;
5415                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5416                         *mod |= Mod3Mask;
5417                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5418                         *mod |= Mod4Mask;
5419                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5420                         *mod |= ShiftMask;
5421                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5422                         *mod |= ControlMask;
5423                 else {
5424                         *ks = XStringToKeysym(name);
5425                         XConvertCase(*ks, ks, &uks);
5426                         if (ks == XCB_NO_SYMBOL) {
5427                                 DNPRINTF(SWM_D_KEY,
5428                                     "parsekeys: invalid key %s\n",
5429                                     name);
5430                                 return (1);
5431                         }
5432                 }
5433         }
5434         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5435         return (0);
5436 }
5437
5438 char *
5439 strdupsafe(char *str)
5440 {
5441         if (str == NULL)
5442                 return (NULL);
5443         else
5444                 return (strdup(str));
5445 }
5446
5447 void
5448 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5449 {
5450         struct key              *kp;
5451
5452         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5453             keyfuncs[kfid].name, spawn_name);
5454
5455         if ((kp = malloc(sizeof *kp)) == NULL)
5456                 err(1, "key_insert: malloc");
5457
5458         kp->mod = mod;
5459         kp->keysym = ks;
5460         kp->funcid = kfid;
5461         kp->spawn_name = strdupsafe(spawn_name);
5462         RB_INSERT(key_tree, &keys, kp);
5463
5464         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5465 }
5466
5467 struct key *
5468 key_lookup(unsigned int mod, KeySym ks)
5469 {
5470         struct key              kp;
5471
5472         kp.keysym = ks;
5473         kp.mod = mod;
5474
5475         return (RB_FIND(key_tree, &keys, &kp));
5476 }
5477
5478 void
5479 key_remove(struct key *kp)
5480 {
5481         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5482
5483         RB_REMOVE(key_tree, &keys, kp);
5484         free(kp->spawn_name);
5485         free(kp);
5486
5487         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5488 }
5489
5490 void
5491 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5492     char *spawn_name)
5493 {
5494         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5495             spawn_name);
5496
5497         key_remove(kp);
5498         key_insert(mod, ks, kfid, spawn_name);
5499
5500         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5501 }
5502
5503 void
5504 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5505     char *spawn_name)
5506 {
5507         struct key              *kp;
5508
5509         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5510             keyfuncs[kfid].name, spawn_name);
5511
5512         if ((kp = key_lookup(mod, ks)) != NULL) {
5513                 if (kfid == KF_INVALID)
5514                         key_remove(kp);
5515                 else
5516                         key_replace(kp, mod, ks, kfid, spawn_name);
5517                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5518                 return;
5519         }
5520         if (kfid == KF_INVALID) {
5521                 warnx("error: setkeybinding: cannot find mod/key combination");
5522                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5523                 return;
5524         }
5525
5526         key_insert(mod, ks, kfid, spawn_name);
5527         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5528 }
5529
5530 int
5531 setconfbinding(char *selector, char *value, int flags)
5532 {
5533         enum keyfuncid          kfid;
5534         unsigned int            mod;
5535         KeySym                  ks;
5536         struct spawn_prog       *sp;
5537
5538         /* suppress unused warning since var is needed */
5539         (void)flags;
5540
5541         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5542         if (selector == NULL) {
5543                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5544                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5545                         kfid = KF_INVALID;
5546                         setkeybinding(mod, ks, kfid, NULL);
5547                         return (0);
5548                 } else
5549                         return (1);
5550         }
5551         /* search by key function name */
5552         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
5553                 if (strncasecmp(selector, keyfuncs[kfid].name,
5554                     SWM_FUNCNAME_LEN) == 0) {
5555                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5556                             selector);
5557                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5558                                 setkeybinding(mod, ks, kfid, NULL);
5559                                 return (0);
5560                         } else
5561                                 return (1);
5562                 }
5563         }
5564         /* search by custom spawn name */
5565         TAILQ_FOREACH(sp, &spawns, entry) {
5566                 if (strcasecmp(selector, sp->name) == 0) {
5567                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5568                             selector);
5569                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5570                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
5571                                     sp->name);
5572                                 return (0);
5573                         } else
5574                                 return (1);
5575                 }
5576         }
5577         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5578         return (1);
5579 }
5580
5581 void
5582 setup_keys(void)
5583 {
5584         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
5585         setkeybinding(MODKEY|ShiftMask, XK_backslash,   KF_FLIP_LAYOUT, NULL);
5586         setkeybinding(MODKEY|ShiftMask, XK_space,       KF_STACK_RESET, NULL);
5587         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
5588         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
5589         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
5590         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
5591         setkeybinding(MODKEY|ShiftMask, XK_comma,       KF_STACK_INC,   NULL);
5592         setkeybinding(MODKEY|ShiftMask, XK_period,      KF_STACK_DEC,   NULL);
5593         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
5594         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
5595         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
5596         setkeybinding(MODKEY|ShiftMask, XK_j,           KF_SWAP_NEXT,   NULL);
5597         setkeybinding(MODKEY|ShiftMask, XK_k,           KF_SWAP_PREV,   NULL);
5598         setkeybinding(MODKEY|ShiftMask, XK_Return,      KF_SPAWN_CUSTOM,"term");
5599         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
5600         setkeybinding(MODKEY|ShiftMask, XK_q,           KF_QUIT,        NULL);
5601         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
5602         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
5603         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
5604         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
5605         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
5606         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
5607         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
5608         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
5609         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
5610         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
5611         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
5612         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
5613         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
5614         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
5615         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
5616         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
5617         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
5618         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
5619         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
5620         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
5621         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
5622         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
5623         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
5624         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
5625         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
5626         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
5627         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
5628         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
5629         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
5630         setkeybinding(MODKEY|ShiftMask, XK_Right,       KF_SCREEN_NEXT, NULL);
5631         setkeybinding(MODKEY|ShiftMask, XK_Left,        KF_SCREEN_PREV, NULL);
5632         setkeybinding(MODKEY|ShiftMask, XK_1,           KF_MVWS_1,      NULL);
5633         setkeybinding(MODKEY|ShiftMask, XK_2,           KF_MVWS_2,      NULL);
5634         setkeybinding(MODKEY|ShiftMask, XK_3,           KF_MVWS_3,      NULL);
5635         setkeybinding(MODKEY|ShiftMask, XK_4,           KF_MVWS_4,      NULL);
5636         setkeybinding(MODKEY|ShiftMask, XK_5,           KF_MVWS_5,      NULL);
5637         setkeybinding(MODKEY|ShiftMask, XK_6,           KF_MVWS_6,      NULL);
5638         setkeybinding(MODKEY|ShiftMask, XK_7,           KF_MVWS_7,      NULL);
5639         setkeybinding(MODKEY|ShiftMask, XK_8,           KF_MVWS_8,      NULL);
5640         setkeybinding(MODKEY|ShiftMask, XK_9,           KF_MVWS_9,      NULL);
5641         setkeybinding(MODKEY|ShiftMask, XK_0,           KF_MVWS_10,     NULL);
5642         setkeybinding(MODKEY|ShiftMask, XK_F1,          KF_MVWS_11,     NULL);
5643         setkeybinding(MODKEY|ShiftMask, XK_F2,          KF_MVWS_12,     NULL);
5644         setkeybinding(MODKEY|ShiftMask, XK_F3,          KF_MVWS_13,     NULL);
5645         setkeybinding(MODKEY|ShiftMask, XK_F4,          KF_MVWS_14,     NULL);
5646         setkeybinding(MODKEY|ShiftMask, XK_F5,          KF_MVWS_15,     NULL);
5647         setkeybinding(MODKEY|ShiftMask, XK_F6,          KF_MVWS_16,     NULL);
5648         setkeybinding(MODKEY|ShiftMask, XK_F7,          KF_MVWS_17,     NULL);
5649         setkeybinding(MODKEY|ShiftMask, XK_F8,          KF_MVWS_18,     NULL);
5650         setkeybinding(MODKEY|ShiftMask, XK_F9,          KF_MVWS_19,     NULL);
5651         setkeybinding(MODKEY|ShiftMask, XK_F10,         KF_MVWS_20,     NULL);
5652         setkeybinding(MODKEY|ShiftMask, XK_F11,         KF_MVWS_21,     NULL);
5653         setkeybinding(MODKEY|ShiftMask, XK_F12,         KF_MVWS_22,     NULL);
5654         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
5655         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
5656         setkeybinding(MODKEY|ShiftMask, XK_Tab,         KF_FOCUS_PREV,  NULL);
5657         setkeybinding(MODKEY|ShiftMask, XK_x,           KF_WIND_KILL,   NULL);
5658         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
5659         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
5660         setkeybinding(MODKEY|ShiftMask, XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
5661         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
5662         setkeybinding(MODKEY|ShiftMask, XK_v,           KF_VERSION,     NULL);
5663         setkeybinding(MODKEY|ShiftMask, XK_Delete,      KF_SPAWN_CUSTOM,"lock");
5664         setkeybinding(MODKEY|ShiftMask, XK_i,           KF_SPAWN_CUSTOM,"initscr");
5665         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
5666         setkeybinding(MODKEY|ShiftMask, XK_w,           KF_UNICONIFY,   NULL);
5667         setkeybinding(MODKEY|ShiftMask, XK_r,           KF_RAISE_TOGGLE,NULL);
5668         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
5669         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
5670         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
5671         setkeybinding(MODKEY|ShiftMask, XK_equal,       KF_HEIGHT_GROW,NULL);
5672         setkeybinding(MODKEY|ShiftMask, XK_minus,       KF_HEIGHT_SHRINK,NULL);
5673         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
5674         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
5675         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, KF_MOVE_UP,     NULL);
5676         setkeybinding(MODKEY|ShiftMask, XK_bracketright,KF_MOVE_DOWN,NULL);
5677         setkeybinding(MODKEY|ShiftMask, XK_slash,       KF_NAME_WORKSPACE,NULL);
5678         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
5679         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
5680 #ifdef SWM_DEBUG
5681         setkeybinding(MODKEY|ShiftMask, XK_d,           KF_DUMPWINS,    NULL);
5682 #endif
5683 }
5684
5685 void
5686 clear_keys(void)
5687 {
5688         struct key              *kp;
5689
5690         while (RB_EMPTY(&keys) == 0) {
5691                 kp = RB_ROOT(&keys);
5692                 key_remove(kp);
5693         }
5694 }
5695
5696 int
5697 setkeymapping(char *selector, char *value, int flags)
5698 {
5699         char                    keymapping_file[PATH_MAX];
5700
5701         /* suppress unused warnings since vars are needed */
5702         (void)selector;
5703         (void)flags;
5704
5705         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5706         if (value[0] == '~')
5707                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5708                     pwd->pw_dir, &value[1]);
5709         else
5710                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5711         clear_keys();
5712         /* load new key bindings; if it fails, revert to default bindings */
5713         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5714                 clear_keys();
5715                 setup_keys();
5716         }
5717         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5718         return (0);
5719 }
5720
5721 void
5722 updatenumlockmask(void)
5723 {
5724         unsigned int                            i, j;
5725         xcb_get_modifier_mapping_reply_t        *modmap_r;
5726         xcb_keycode_t                           *modmap, kc, *keycode;
5727
5728         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5729         numlockmask = 0;
5730
5731         modmap_r = xcb_get_modifier_mapping_reply(conn,
5732             xcb_get_modifier_mapping(conn),
5733             NULL);
5734         if (modmap_r) {
5735                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
5736                 for (i = 0; i < 8; i++) {
5737                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
5738                                 kc = modmap[i * modmap_r->keycodes_per_modifier
5739                                     + j];
5740                                 keycode = xcb_key_symbols_get_keycode(syms,
5741                                                 XK_Num_Lock);
5742                                 if (kc == *keycode)
5743                                         numlockmask = (1 << i);
5744                                 free(keycode);
5745                         }
5746                 }
5747                 free(modmap_r);
5748         }
5749 }
5750
5751 void
5752 grabkeys(void)
5753 {
5754         int                     num_screens, k;
5755         unsigned int            j;
5756         xcb_keycode_t           *code;
5757         unsigned int            modifiers[] =
5758             { 0, LockMask, numlockmask, numlockmask | LockMask };
5759         struct key              *kp;
5760
5761         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5762         updatenumlockmask();
5763
5764         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5765         for (k = 0; k < num_screens; k++) {
5766                 if (TAILQ_EMPTY(&screens[k].rl))
5767                         continue;
5768                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5769                         XCB_MOD_MASK_ANY);
5770                 RB_FOREACH(kp, key_tree, &keys) {
5771                         if ((code = xcb_key_symbols_get_keycode(syms,
5772                                         kp->keysym)))
5773                                 for (j = 0; j < LENGTH(modifiers); j++)
5774                                         xcb_grab_key(conn, 1,
5775                                             screens[k].root,
5776                                             kp->mod | modifiers[j],
5777                                             *code, XCB_GRAB_MODE_ASYNC,
5778                                             XCB_GRAB_MODE_ASYNC);
5779                                 free(code);
5780                 }
5781         }
5782 }
5783
5784 void
5785 grabbuttons(struct ws_win *win, int focused)
5786 {
5787         unsigned int            i, j;
5788         unsigned int            modifiers[] =
5789             { 0, LockMask, numlockmask, numlockmask|LockMask };
5790
5791         updatenumlockmask();
5792         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5793             XCB_BUTTON_MASK_ANY);
5794         if (focused) {
5795                 for (i = 0; i < LENGTH(buttons); i++)
5796                         if (buttons[i].action == client_click)
5797                                 for (j = 0; j < LENGTH(modifiers); j++)
5798                                         xcb_grab_button(conn, 0, win->id,
5799                                             BUTTONMASK,
5800                                             XCB_GRAB_MODE_ASYNC,
5801                                             XCB_GRAB_MODE_SYNC,
5802                                             XCB_WINDOW_NONE,
5803                                             XCB_CURSOR_NONE,
5804                                             buttons[i].button,
5805                                             buttons[i].mask);
5806         } else
5807                 xcb_grab_button(conn, 0, win->id, BUTTONMASK,
5808                     XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC, XCB_WINDOW_NONE,
5809                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY, XCB_BUTTON_MASK_ANY);
5810 }
5811
5812 const char *quirkname[] = {
5813         "NONE",         /* config string for "no value" */
5814         "FLOAT",
5815         "TRANSSZ",
5816         "ANYWHERE",
5817         "XTERM_FONTADJ",
5818         "FULLSCREEN",
5819         "FOCUSPREV",
5820 };
5821
5822 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5823 #define SWM_Q_WS                "\n|+ \t"
5824 int
5825 parsequirks(char *qstr, unsigned long *quirk)
5826 {
5827         char                    *cp, *name;
5828         int                     i;
5829
5830         if (quirk == NULL)
5831                 return (1);
5832
5833         cp = qstr;
5834         *quirk = 0;
5835         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5836                 if (cp)
5837                         cp += (long)strspn(cp, SWM_Q_WS);
5838                 for (i = 0; i < LENGTH(quirkname); i++) {
5839                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5840                                 DNPRINTF(SWM_D_QUIRK,
5841                                     "parsequirks: %s\n", name);
5842                                 if (i == 0) {
5843                                         *quirk = 0;
5844                                         return (0);
5845                                 }
5846                                 *quirk |= 1 << (i-1);
5847                                 break;
5848                         }
5849                 }
5850                 if (i >= LENGTH(quirkname)) {
5851                         DNPRINTF(SWM_D_QUIRK,
5852                             "parsequirks: invalid quirk [%s]\n", name);
5853                         return (1);
5854                 }
5855         }
5856         return (0);
5857 }
5858
5859 void
5860 quirk_insert(const char *class, const char *name, unsigned long quirk)
5861 {
5862         struct quirk            *qp;
5863
5864         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5865             quirk);
5866
5867         if ((qp = malloc(sizeof *qp)) == NULL)
5868                 err(1, "quirk_insert: malloc");
5869         if ((qp->class = strdup(class)) == NULL)
5870                 err(1, "quirk_insert: strdup");
5871         if ((qp->name = strdup(name)) == NULL)
5872                 err(1, "quirk_insert: strdup");
5873
5874         qp->quirk = quirk;
5875         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5876
5877         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5878 }
5879
5880 void
5881 quirk_remove(struct quirk *qp)
5882 {
5883         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5884             qp->name, qp->quirk);
5885
5886         TAILQ_REMOVE(&quirks, qp, entry);
5887         free(qp->class);
5888         free(qp->name);
5889         free(qp);
5890
5891         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5892 }
5893
5894 void
5895 quirk_replace(struct quirk *qp, const char *class, const char *name,
5896     unsigned long quirk)
5897 {
5898         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5899             qp->name, qp->quirk);
5900
5901         quirk_remove(qp);
5902         quirk_insert(class, name, quirk);
5903
5904         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5905 }
5906
5907 void
5908 setquirk(const char *class, const char *name, unsigned long quirk)
5909 {
5910         struct quirk            *qp;
5911
5912         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5913            quirk);
5914
5915         TAILQ_FOREACH(qp, &quirks, entry) {
5916                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5917                         if (!quirk)
5918                                 quirk_remove(qp);
5919                         else
5920                                 quirk_replace(qp, class, name, quirk);
5921                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5922                         return;
5923                 }
5924         }
5925         if (!quirk) {
5926                 warnx("error: setquirk: cannot find class/name combination");
5927                 return;
5928         }
5929
5930         quirk_insert(class, name, quirk);
5931         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5932 }
5933
5934 int
5935 setconfquirk(char *selector, char *value, int flags)
5936 {
5937         char                    *cp, *class, *name;
5938         int                     retval;
5939         unsigned long           qrks;
5940
5941         /* suppress unused warning since var is needed */
5942         (void)flags;
5943
5944         if (selector == NULL)
5945                 return (0);
5946         if ((cp = strchr(selector, ':')) == NULL)
5947                 return (0);
5948         *cp = '\0';
5949         class = selector;
5950         name = cp + 1;
5951         if ((retval = parsequirks(value, &qrks)) == 0)
5952                 setquirk(class, name, qrks);
5953         return (retval);
5954 }
5955
5956 void
5957 setup_quirks(void)
5958 {
5959         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5960         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5961         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5962         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5963         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5964         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5965         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5966         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5967         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5968         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5969         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5970         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5971         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5972 }
5973
5974 /* conf file stuff */
5975 #define SWM_CONF_FILE           "spectrwm.conf"
5976 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5977
5978 enum {
5979         SWM_S_BAR_ACTION,
5980         SWM_S_BAR_AT_BOTTOM,
5981         SWM_S_BAR_BORDER_WIDTH,
5982         SWM_S_BAR_DELAY,
5983         SWM_S_BAR_ENABLED,
5984         SWM_S_BAR_FONT,
5985         SWM_S_BAR_FORMAT,
5986         SWM_S_BAR_JUSTIFY,
5987         SWM_S_BORDER_WIDTH,
5988         SWM_S_CLOCK_ENABLED,
5989         SWM_S_CLOCK_FORMAT,
5990         SWM_S_CYCLE_EMPTY,
5991         SWM_S_CYCLE_VISIBLE,
5992         SWM_S_DIALOG_RATIO,
5993         SWM_S_DISABLE_BORDER,
5994         SWM_S_FOCUS_CLOSE,
5995         SWM_S_FOCUS_CLOSE_WRAP,
5996         SWM_S_FOCUS_DEFAULT,
5997         SWM_S_FOCUS_MODE,
5998         SWM_S_SPAWN_ORDER,
5999         SWM_S_SPAWN_TERM,
6000         SWM_S_SS_APP,
6001         SWM_S_SS_ENABLED,
6002         SWM_S_STACK_ENABLED,
6003         SWM_S_TERM_WIDTH,
6004         SWM_S_TITLE_CLASS_ENABLED,
6005         SWM_S_TITLE_NAME_ENABLED,
6006         SWM_S_URGENT_ENABLED,
6007         SWM_S_VERBOSE_LAYOUT,
6008         SWM_S_WINDOW_NAME_ENABLED,
6009         SWM_S_WORKSPACE_LIMIT
6010 };
6011
6012 int
6013 setconfvalue(char *selector, char *value, int flags)
6014 {
6015         int     i;
6016         char    *b;
6017
6018         /* suppress unused warning since var is needed */
6019         (void)selector;
6020
6021         switch (flags) {
6022         case SWM_S_BAR_ACTION:
6023                 free(bar_argv[0]);
6024                 if ((bar_argv[0] = expand_tilde(value)) == NULL)
6025                         err(1, "setconfvalue: bar_action");
6026                 break;
6027         case SWM_S_BAR_AT_BOTTOM:
6028                 bar_at_bottom = atoi(value);
6029                 break;
6030         case SWM_S_BAR_BORDER_WIDTH:
6031                 bar_border_width = atoi(value);
6032                 if (bar_border_width < 0)
6033                         bar_border_width = 0;
6034                 break;
6035         case SWM_S_BAR_DELAY:
6036                 bar_delay = atoi(value);
6037                 break;
6038         case SWM_S_BAR_ENABLED:
6039                 bar_enabled = atoi(value);
6040                 break;
6041         case SWM_S_BAR_FONT:
6042                 b = bar_fonts;
6043                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
6044                         err(1, "setconfvalue: asprintf: failed to allocate "
6045                                 "memory for bar_fonts.");
6046                 free(b);
6047
6048                 /* If already in xft mode, then we are done. */
6049                 if (!bar_font_legacy)
6050                         break;
6051
6052                 /* If there are any non-XLFD entries, switch to Xft mode. */
6053                 while ((b = strsep(&value, ",")) != NULL) {
6054                         if (*b == '\0')
6055                                 continue;
6056                         if (!isxlfd(b)) {
6057                                 bar_font_legacy = 0;
6058                                 break;
6059                         }
6060                 }
6061                 break;
6062         case SWM_S_BAR_FORMAT:
6063                 free(bar_format);
6064                 if ((bar_format = strdup(value)) == NULL)
6065                         err(1, "setconfvalue: bar_format");
6066                 break;
6067         case SWM_S_BAR_JUSTIFY:
6068                 if (!strcmp(value, "left"))
6069                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
6070                 else if (!strcmp(value, "center"))
6071                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
6072                 else if (!strcmp(value, "right"))
6073                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
6074                 else
6075                         errx(1, "invalid bar_justify");
6076                 break;
6077         case SWM_S_BORDER_WIDTH:
6078                 border_width = atoi(value);
6079                 if (border_width < 0)
6080                         border_width = 0;
6081                 break;
6082         case SWM_S_CLOCK_ENABLED:
6083                 clock_enabled = atoi(value);
6084                 break;
6085         case SWM_S_CLOCK_FORMAT:
6086 #ifndef SWM_DENY_CLOCK_FORMAT
6087                 free(clock_format);
6088                 if ((clock_format = strdup(value)) == NULL)
6089                         err(1, "setconfvalue: clock_format");
6090 #endif
6091                 break;
6092         case SWM_S_CYCLE_EMPTY:
6093                 cycle_empty = atoi(value);
6094                 break;
6095         case SWM_S_CYCLE_VISIBLE:
6096                 cycle_visible = atoi(value);
6097                 break;
6098         case SWM_S_DIALOG_RATIO:
6099                 dialog_ratio = atof(value);
6100                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
6101                         dialog_ratio = .6;
6102                 break;
6103         case SWM_S_DISABLE_BORDER:
6104                 disable_border = atoi(value);
6105                 break;
6106         case SWM_S_FOCUS_CLOSE:
6107                 if (!strcmp(value, "first"))
6108                         focus_close = SWM_STACK_BOTTOM;
6109                 else if (!strcmp(value, "last"))
6110                         focus_close = SWM_STACK_TOP;
6111                 else if (!strcmp(value, "next"))
6112                         focus_close = SWM_STACK_ABOVE;
6113                 else if (!strcmp(value, "previous"))
6114                         focus_close = SWM_STACK_BELOW;
6115                 else
6116                         errx(1, "focus_close");
6117                 break;
6118         case SWM_S_FOCUS_CLOSE_WRAP:
6119                 focus_close_wrap = atoi(value);
6120                 break;
6121         case SWM_S_FOCUS_DEFAULT:
6122                 if (!strcmp(value, "last"))
6123                         focus_default = SWM_STACK_TOP;
6124                 else if (!strcmp(value, "first"))
6125                         focus_default = SWM_STACK_BOTTOM;
6126                 else
6127                         errx(1, "focus_default");
6128                 break;
6129         case SWM_S_FOCUS_MODE:
6130                 if (!strcmp(value, "default"))
6131                         focus_mode = SWM_FOCUS_DEFAULT;
6132                 else if (!strcmp(value, "follow_cursor"))
6133                         focus_mode = SWM_FOCUS_FOLLOW;
6134                 else if (!strcmp(value, "synergy"))
6135                         focus_mode = SWM_FOCUS_SYNERGY;
6136                 else
6137                         errx(1, "focus_mode");
6138                 break;
6139         case SWM_S_SPAWN_ORDER:
6140                 if (!strcmp(value, "first"))
6141                         spawn_position = SWM_STACK_BOTTOM;
6142                 else if (!strcmp(value, "last"))
6143                         spawn_position = SWM_STACK_TOP;
6144                 else if (!strcmp(value, "next"))
6145                         spawn_position = SWM_STACK_ABOVE;
6146                 else if (!strcmp(value, "previous"))
6147                         spawn_position = SWM_STACK_BELOW;
6148                 else
6149                         errx(1, "spawn_position");
6150                 break;
6151         case SWM_S_SPAWN_TERM:
6152                 setconfspawn("term", value, 0);
6153                 setconfspawn("spawn_term", value, 0);
6154                 break;
6155         case SWM_S_SS_APP:
6156                 break;
6157         case SWM_S_SS_ENABLED:
6158                 ss_enabled = atoi(value);
6159                 break;
6160         case SWM_S_STACK_ENABLED:
6161                 stack_enabled = atoi(value);
6162                 break;
6163         case SWM_S_TERM_WIDTH:
6164                 term_width = atoi(value);
6165                 if (term_width < 0)
6166                         term_width = 0;
6167                 break;
6168         case SWM_S_TITLE_CLASS_ENABLED:
6169                 title_class_enabled = atoi(value);
6170                 break;
6171         case SWM_S_TITLE_NAME_ENABLED:
6172                 title_name_enabled = atoi(value);
6173                 break;
6174         case SWM_S_URGENT_ENABLED:
6175                 urgent_enabled = atoi(value);
6176                 break;
6177         case SWM_S_VERBOSE_LAYOUT:
6178                 verbose_layout = atoi(value);
6179                 for (i = 0; layouts[i].l_stack != NULL; i++) {
6180                         if (verbose_layout)
6181                                 layouts[i].l_string = fancy_stacker;
6182                         else
6183                                 layouts[i].l_string = plain_stacker;
6184                 }
6185                 break;
6186         case SWM_S_WINDOW_NAME_ENABLED:
6187                 window_name_enabled = atoi(value);
6188                 break;
6189         case SWM_S_WORKSPACE_LIMIT:
6190                 workspace_limit = atoi(value);
6191                 if (workspace_limit > SWM_WS_MAX)
6192                         workspace_limit = SWM_WS_MAX;
6193                 else if (workspace_limit < 1)
6194                         workspace_limit = 1;
6195                 break;
6196         default:
6197                 return (1);
6198         }
6199         return (0);
6200 }
6201
6202 int
6203 setconfmodkey(char *selector, char *value, int flags)
6204 {
6205         /* suppress unused warnings since vars are needed */
6206         (void)selector;
6207         (void)flags;
6208
6209         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
6210                 update_modkey(Mod1Mask);
6211         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
6212                 update_modkey(Mod2Mask);
6213         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
6214                 update_modkey(Mod3Mask);
6215         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
6216                 update_modkey(Mod4Mask);
6217         else
6218                 return (1);
6219         return (0);
6220 }
6221
6222 int
6223 setconfcolor(char *selector, char *value, int flags)
6224 {
6225         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
6226         return (0);
6227 }
6228
6229 int
6230 setconfregion(char *selector, char *value, int flags)
6231 {
6232         /* suppress unused warnings since vars are needed */
6233         (void)selector;
6234         (void)flags;
6235
6236         custom_region(value);
6237         return (0);
6238 }
6239
6240 int
6241 setautorun(char *selector, char *value, int flags)
6242 {
6243         int                     ws_id;
6244         char                    s[1024];
6245         char                    *ap, *sp = s;
6246         union arg               a;
6247         int                     argc = 0;
6248         pid_t                   pid;
6249         struct pid_e            *p;
6250
6251         /* suppress unused warnings since vars are needed */
6252         (void)selector;
6253         (void)flags;
6254
6255         if (getenv("SWM_STARTED"))
6256                 return (0);
6257
6258         bzero(s, sizeof s);
6259         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
6260                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
6261         ws_id--;
6262         if (ws_id < 0 || ws_id >= workspace_limit)
6263                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
6264
6265         /*
6266          * This is a little intricate
6267          *
6268          * If the pid already exists we simply reuse it because it means it was
6269          * used before AND not claimed by manage_window.  We get away with
6270          * altering it in the parent after INSERT because this can not be a race
6271          */
6272         a.argv = NULL;
6273         while ((ap = strsep(&sp, " \t")) != NULL) {
6274                 if (*ap == '\0')
6275                         continue;
6276                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
6277                 argc++;
6278                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
6279                         err(1, "setautorun: realloc");
6280                 a.argv[argc - 1] = ap;
6281         }
6282
6283         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
6284                 err(1, "setautorun: realloc");
6285         a.argv[argc] = NULL;
6286
6287         if ((pid = fork()) == 0) {
6288                 spawn(ws_id, &a, 1);
6289                 /* NOTREACHED */
6290                 _exit(1);
6291         }
6292         free(a.argv);
6293
6294         /* parent */
6295         p = find_pid(pid);
6296         if (p == NULL) {
6297                 p = calloc(1, sizeof *p);
6298                 if (p == NULL)
6299                         return (1);
6300                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
6301         }
6302
6303         p->pid = pid;
6304         p->ws = ws_id;
6305
6306         return (0);
6307 }
6308
6309 int
6310 setlayout(char *selector, char *value, int flags)
6311 {
6312         int                     ws_id, i, x, mg, ma, si, ar, f = 0;
6313         int                     st = SWM_V_STACK, num_screens;
6314         char                    s[1024];
6315         struct workspace        *ws;
6316
6317         /* suppress unused warnings since vars are needed */
6318         (void)selector;
6319         (void)flags;
6320
6321         if (getenv("SWM_STARTED"))
6322                 return (0);
6323
6324         bzero(s, sizeof s);
6325         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6326             &ws_id, &mg, &ma, &si, &ar, s) != 6)
6327                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6328                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6329                     "<type>'");
6330         ws_id--;
6331         if (ws_id < 0 || ws_id >= workspace_limit)
6332                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6333
6334         if (!strcasecmp(s, "vertical"))
6335                 st = SWM_V_STACK;
6336         else if (!strcasecmp(s, "vertical_flip")) {
6337                 st = SWM_V_STACK;
6338                 f = 1;
6339         } else if (!strcasecmp(s, "horizontal"))
6340                 st = SWM_H_STACK;
6341         else if (!strcasecmp(s, "horizontal_flip")) {
6342                 st = SWM_H_STACK;
6343                 f = 1;
6344         } else if (!strcasecmp(s, "fullscreen"))
6345                 st = SWM_MAX_STACK;
6346         else
6347                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6348                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6349                     "<type>'");
6350
6351         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6352         for (i = 0; i < num_screens; i++) {
6353                 ws = (struct workspace *)&screens[i].ws;
6354                 ws[ws_id].cur_layout = &layouts[st];
6355
6356                 ws[ws_id].always_raise = ar;
6357                 if (st == SWM_MAX_STACK)
6358                         continue;
6359
6360                 /* master grow */
6361                 for (x = 0; x < abs(mg); x++) {
6362                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6363                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6364                             SWM_ARG_ID_MASTERSHRINK);
6365                         stack();
6366                 }
6367                 /* master add */
6368                 for (x = 0; x < abs(ma); x++) {
6369                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6370                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6371                             SWM_ARG_ID_MASTERDEL);
6372                         stack();
6373                 }
6374                 /* stack inc */
6375                 for (x = 0; x < abs(si); x++) {
6376                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6377                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6378                             SWM_ARG_ID_STACKDEC);
6379                         stack();
6380                 }
6381                 /* Apply flip */
6382                 if (f) {
6383                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6384                             SWM_ARG_ID_FLIPLAYOUT);
6385                         stack();
6386                 }
6387         }
6388
6389         return (0);
6390 }
6391
6392 /* config options */
6393 struct config_option {
6394         char                    *optname;
6395         int                     (*func)(char*, char*, int);
6396         int                     funcflags;
6397 };
6398 struct config_option configopt[] = {
6399         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6400         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6401         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6402         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6403         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6404         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6405         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6406         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6407         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6408         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6409         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6410         { "keyboard_mapping",           setkeymapping,  0 },
6411         { "bind",                       setconfbinding, 0 },
6412         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6413         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6414         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6415         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6416         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6417         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6418         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6419         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6420         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6421         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6422         { "modkey",                     setconfmodkey,  0 },
6423         { "program",                    setconfspawn,   0 },
6424         { "quirk",                      setconfquirk,   0 },
6425         { "region",                     setconfregion,  0 },
6426         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6427         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6428         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6429         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6430         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6431         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6432         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6433         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6434         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6435         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6436         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6437         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6438         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6439         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6440         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6441         { "autorun",                    setautorun,     0 },
6442         { "layout",                     setlayout,      0 },
6443 };
6444
6445
6446 int
6447 conf_load(char *filename, int keymapping)
6448 {
6449         FILE                    *config;
6450         char                    *line, *cp, *optsub, *optval;
6451         size_t                  linelen, lineno = 0;
6452         int                     wordlen, i, optidx;
6453         struct config_option    *opt;
6454
6455         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6456
6457         if (filename == NULL) {
6458                 warnx("conf_load: no filename");
6459                 return (1);
6460         }
6461         if ((config = fopen(filename, "r")) == NULL) {
6462                 warn("conf_load: fopen: %s", filename);
6463                 return (1);
6464         }
6465
6466         while (!feof(config)) {
6467                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6468                     == NULL) {
6469                         if (ferror(config))
6470                                 err(1, "%s", filename);
6471                         else
6472                                 continue;
6473                 }
6474                 cp = line;
6475                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6476                 if (cp[0] == '\0') {
6477                         /* empty line */
6478                         free(line);
6479                         continue;
6480                 }
6481                 /* get config option */
6482                 wordlen = strcspn(cp, "=[ \t\n");
6483                 if (wordlen == 0) {
6484                         warnx("%s: line %zd: no option found",
6485                             filename, lineno);
6486                         goto out;
6487                 }
6488                 optidx = -1;
6489                 for (i = 0; i < LENGTH(configopt); i++) {
6490                         opt = &configopt[i];
6491                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6492                             (int)strlen(opt->optname) == wordlen) {
6493                                 optidx = i;
6494                                 break;
6495                         }
6496                 }
6497                 if (optidx == -1) {
6498                         warnx("%s: line %zd: unknown option %.*s",
6499                             filename, lineno, wordlen, cp);
6500                         goto out;
6501                 }
6502                 if (keymapping && strcmp(opt->optname, "bind")) {
6503                         warnx("%s: line %zd: invalid option %.*s",
6504                             filename, lineno, wordlen, cp);
6505                         goto out;
6506                 }
6507                 cp += wordlen;
6508                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6509                 /* get [selector] if any */
6510                 optsub = NULL;
6511                 if (*cp == '[') {
6512                         cp++;
6513                         wordlen = strcspn(cp, "]");
6514                         if (*cp != ']') {
6515                                 if (wordlen == 0) {
6516                                         warnx("%s: line %zd: syntax error",
6517                                             filename, lineno);
6518                                         goto out;
6519                                 }
6520
6521                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6522                                     -1) {
6523                                         warnx("%s: line %zd: unable to allocate"
6524                                             "memory for selector", filename,
6525                                             lineno);
6526                                         goto out;
6527                                 }
6528                         }
6529                         cp += wordlen;
6530                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6531                 }
6532                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6533                 /* get RHS value */
6534                 optval = strdup(cp);
6535                 /* call function to deal with it all */
6536                 if (configopt[optidx].func(optsub, optval,
6537                     configopt[optidx].funcflags) != 0)
6538                         errx(1, "%s: line %zd: invalid data for %s",
6539                             filename, lineno, configopt[optidx].optname);
6540                 free(optval);
6541                 free(optsub);
6542                 free(line);
6543         }
6544
6545         fclose(config);
6546         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6547
6548         return (0);
6549
6550 out:
6551         free(line);
6552         fclose(config);
6553         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6554
6555         return (1);
6556 }
6557
6558 void
6559 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6560 {
6561         struct ws_win           *parent, *w;
6562         struct swm_region       *r;
6563         struct workspace        *ws;
6564         xcb_icccm_wm_hints_t    wmh;
6565
6566         parent = find_window(win->transient);
6567         if (parent)
6568                 parent->child_trans = win;
6569         else {
6570                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6571                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6572
6573                 r = root_to_region(win->wa->root);
6574                 ws = r->ws;
6575                 /* parent doen't exist in our window list */
6576                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6577                         if (xcb_icccm_get_wm_hints_reply(conn,
6578                             xcb_icccm_get_wm_hints(conn, w->id),
6579                             &wmh, NULL) != 1) {
6580                                 warnx("can't get hints for 0x%x", w->id);
6581                                 continue;
6582                         }
6583
6584                         if (win->hints.window_group != wmh.window_group)
6585                                 continue;
6586
6587                         w->child_trans = win;
6588                         win->transient = w->id;
6589                         *trans = w->id;
6590                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
6591                             "transient to 0x%x\n", win->transient);
6592                         break;
6593                 }
6594         }
6595 }
6596
6597 pid_t
6598 window_get_pid(xcb_window_t win)
6599 {
6600         pid_t                           ret = 0;
6601         const char                      *errstr;
6602         xcb_atom_t                      apid;
6603         xcb_get_property_cookie_t       pc;
6604         xcb_get_property_reply_t        *pr;
6605
6606         apid = get_atom_from_string("_NET_WM_PID");
6607         if (apid == XCB_ATOM_NONE)
6608                 goto tryharder;
6609
6610         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6611         pr = xcb_get_property_reply(conn, pc, NULL);
6612         if (!pr)
6613                 goto tryharder;
6614         if (pr->type != XCB_ATOM_CARDINAL) {
6615                 free(pr);
6616                 goto tryharder;
6617         }
6618
6619         if (pr->type == apid && pr->format == 32)
6620                 ret = *((pid_t *)xcb_get_property_value(pr));
6621         free(pr);
6622
6623         return (ret);
6624
6625 tryharder:
6626         apid = get_atom_from_string("_SWM_PID");
6627         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
6628             0, SWM_PROPLEN);
6629         pr = xcb_get_property_reply(conn, pc, NULL);
6630         if (!pr)
6631                 return (0);
6632         if (pr->type != apid) {
6633                 free(pr);
6634                 return (0);
6635         }
6636
6637         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
6638         free(pr);
6639
6640         return (ret);
6641 }
6642
6643 int
6644 get_ws_idx(xcb_window_t id)
6645 {
6646         int                     ws_idx = -1;
6647         char                    *prop = NULL;
6648         size_t                  proplen;
6649         const char              *errstr;
6650         xcb_get_property_reply_t        *gpr;
6651
6652         gpr = xcb_get_property_reply(conn,
6653                 xcb_get_property(conn, 0, id, a_swm_ws,
6654                     XCB_ATOM_STRING, 0, SWM_PROPLEN),
6655                 NULL);
6656         if (!gpr)
6657                 return (-1);
6658         if (gpr->type) {
6659                 proplen = xcb_get_property_value_length(gpr);
6660                 if (proplen > 0) {
6661                         prop = malloc(proplen + 1);
6662                         if (prop) {
6663                                 memcpy(prop,
6664                                     xcb_get_property_value(gpr),
6665                                     proplen);
6666                                 prop[proplen] = '\0';
6667                         }
6668                 }
6669         }
6670         free(gpr);
6671
6672         if (prop) {
6673                 DNPRINTF(SWM_D_PROP, "get_ws_idx: _SWM_WS: %s\n", prop);
6674                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1, &errstr);
6675                 if (errstr) {
6676                         DNPRINTF(SWM_D_PROP, "get_ws_idx: window: #%s: %s",
6677                             errstr, prop);
6678                 }
6679                 free(prop);
6680         }
6681
6682         return ws_idx;
6683 }
6684
6685 struct ws_win *
6686 manage_window(xcb_window_t id)
6687 {
6688         xcb_window_t            trans = XCB_WINDOW_NONE;
6689         struct workspace        *ws;
6690         struct ws_win           *win, *ww;
6691         int                     ws_idx, border_me = 0;
6692         char                    ws_idx_str[SWM_PROPLEN], *prop = NULL;
6693         struct swm_region       *r;
6694         struct pid_e            *p;
6695         struct quirk            *qp;
6696         uint32_t                event_mask, i;
6697         xcb_icccm_get_wm_protocols_reply_t      wpr;
6698
6699         if ((win = find_window(id)) != NULL)
6700                 return (win);   /* already being managed */
6701
6702         /* see if we are on the unmanaged list */
6703         if ((win = find_unmanaged_window(id)) != NULL) {
6704                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6705                     "window: 0x%x\n", win->id);
6706                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6707                 if (win->transient)
6708                         set_child_transient(win, &trans);
6709
6710                 if (trans && (ww = find_window(trans)))
6711                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6712                 else if ((ww = win->ws->focus) &&
6713                     spawn_position == SWM_STACK_ABOVE)
6714                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6715                             win, entry);
6716                 else if (ww && spawn_position == SWM_STACK_BELOW)
6717                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6718                 else switch (spawn_position) {
6719                 default:
6720                 case SWM_STACK_TOP:
6721                 case SWM_STACK_ABOVE:
6722                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6723                         break;
6724                 case SWM_STACK_BOTTOM:
6725                 case SWM_STACK_BELOW:
6726                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6727                 }
6728
6729                 ewmh_update_actions(win);
6730                 return (win);
6731         }
6732
6733         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6734                 err(1, "manage_window: calloc: failed to allocate memory for "
6735                     "new window");
6736
6737         win->id = id;
6738         win->bordered = 0;
6739
6740         /* see if we need to override the workspace */
6741         p = find_pid(window_get_pid(id));
6742
6743         /* Get all the window data in one shot */
6744         ws_idx = get_ws_idx(id);
6745
6746         win->wa = xcb_get_geometry_reply(conn,
6747             xcb_get_geometry(conn, id),
6748             NULL);
6749         xcb_icccm_get_wm_normal_hints_reply(conn,
6750             xcb_icccm_get_wm_normal_hints(conn, id),
6751             &win->sh, NULL);
6752         xcb_icccm_get_wm_hints_reply(conn,
6753             xcb_icccm_get_wm_hints(conn, id),
6754             &win->hints, NULL);
6755         xcb_icccm_get_wm_transient_for_reply(conn,
6756             xcb_icccm_get_wm_transient_for(conn, id),
6757             &trans, NULL);
6758         if (trans) {
6759                 win->transient = trans;
6760                 set_child_transient(win, &trans);
6761                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, "
6762                     "transient: 0x%x\n", win->id, win->transient);
6763         }
6764
6765         /* get supported protocols */
6766         if (xcb_icccm_get_wm_protocols_reply(conn,
6767             xcb_icccm_get_wm_protocols(conn, id, a_prot),
6768             &wpr, NULL)) {
6769                 for (i = 0; i < wpr.atoms_len; i++) {
6770                         if (wpr.atoms[i] == a_takefocus)
6771                                 win->take_focus = 1;
6772                         if (wpr.atoms[i] == a_delete)
6773                                 win->can_delete = 1;
6774                 }
6775                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
6776         }
6777
6778         win->iconic = get_iconic(win);
6779
6780         /*
6781          * Figure out where to put the window. If it was previously assigned to
6782          * a workspace (either by spawn() or manually moving), and isn't
6783          * transient, * put it in the same workspace
6784          */
6785         r = root_to_region(win->wa->root);
6786         if (p) {
6787                 ws = &r->s->ws[p->ws];
6788                 TAILQ_REMOVE(&pidlist, p, entry);
6789                 free(p);
6790                 p = NULL;
6791         } else if (ws_idx != -1 && win->transient == 0) {
6792                 ws = &r->s->ws[ws_idx];
6793         } else {
6794                 ws = r->ws;
6795                 /* this should launch transients in the same ws as parent */
6796                 if (id && trans)
6797                         if ((ww = find_window(trans)) != NULL)
6798                                 if (ws->r) {
6799                                         ws = ww->ws;
6800                                         if (ww->ws->r)
6801                                                 r = ww->ws->r;
6802                                         else
6803                                                 warnx("manage_window: fix this "
6804                                                     "bug mcbride");
6805                                         border_me = 1;
6806                                 }
6807         }
6808
6809         /* set up the window layout */
6810         win->id = id;
6811         win->ws = ws;
6812         win->s = r->s;  /* this never changes */
6813         if (trans && (ww = find_window(trans)))
6814                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6815         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6816                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6817                     entry);
6818         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6819                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6820         else switch (spawn_position) {
6821         default:
6822         case SWM_STACK_TOP:
6823         case SWM_STACK_ABOVE:
6824                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6825                 break;
6826         case SWM_STACK_BOTTOM:
6827         case SWM_STACK_BELOW:
6828                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6829         }
6830
6831         /* ignore window border if there is one. */
6832         WIDTH(win) = win->wa->width;
6833         HEIGHT(win) = win->wa->height;
6834         X(win) = win->wa->x + win->wa->border_width;
6835         Y(win) = win->wa->y + win->wa->border_width;
6836         win->bordered = 0;
6837         win->g_floatvalid = 0;
6838         win->floatmaxed = 0;
6839         win->ewmh_flags = 0;
6840
6841         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, (x,y) w x h: "
6842             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6843             HEIGHT(win), ws->idx);
6844
6845         constrain_window(win, r, 0);
6846
6847         /* Set window properties so we can remember this after reincarnation */
6848         if (prop == NULL && snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6849             SWM_PROPLEN) {
6850                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6851                     ws_idx_str);
6852                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
6853                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
6854                     ws_idx_str);
6855         }
6856         if (prop)
6857                 free(prop);
6858
6859         ewmh_autoquirk(win);
6860
6861         if (xcb_icccm_get_wm_class_reply(conn,
6862             xcb_icccm_get_wm_class(conn, win->id),
6863             &win->ch, NULL)) {
6864                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6865                     win->ch.class_name, win->ch.instance_name);
6866
6867                 /* java is retarded so treat it special */
6868                 if (strstr(win->ch.instance_name, "sun-awt")) {
6869                         win->java = 1;
6870                         border_me = 1;
6871                 }
6872
6873                 TAILQ_FOREACH(qp, &quirks, entry) {
6874                         if (!strcmp(win->ch.class_name, qp->class) &&
6875                             !strcmp(win->ch.instance_name, qp->name)) {
6876                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6877                                     "class: %s, name: %s\n", win->ch.class_name,
6878                                     win->ch.instance_name);
6879                                 if (qp->quirk & SWM_Q_FLOAT) {
6880                                         win->floating = 1;
6881                                         border_me = 1;
6882                                 }
6883                                 win->quirks = qp->quirk;
6884                         }
6885                 }
6886         }
6887
6888         /* alter window position if quirky */
6889         if (win->quirks & SWM_Q_ANYWHERE) {
6890                 win->manual = 1; /* don't center the quirky windows */
6891                 if (bar_enabled && Y(win) < bar_height)
6892                         Y(win) = bar_height;
6893                 if (WIDTH(win) + X(win) > WIDTH(r))
6894                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6895                 border_me = 1;
6896         }
6897
6898         /* Reset font sizes (the bruteforce way; no default keybinding). */
6899         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6900                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6901                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6902                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6903                         fake_keypress(win, XK_KP_Add, ShiftMask);
6904         }
6905
6906         ewmh_get_win_state(win);
6907         ewmh_update_actions(win);
6908         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6909
6910         /* border me */
6911         if (border_me) {
6912                 win->bordered = 1;
6913                 X(win) -= border_width;
6914                 Y(win) -= border_width;
6915                 update_window(win);
6916         }
6917
6918         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6919             XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6920 #ifdef SWM_DEBUG
6921         event_mask |= XCB_EVENT_MASK_LEAVE_WINDOW;
6922 #endif
6923
6924         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6925
6926         /* floaters need to be mapped if they are in the current workspace */
6927         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6928                 map_window_raised(win->id);
6929
6930         return (win);
6931 }
6932
6933 void
6934 free_window(struct ws_win *win)
6935 {
6936         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6937
6938         if (win == NULL)
6939                 return;
6940
6941         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6942
6943         if (win->wa)
6944                 free(win->wa);
6945
6946         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
6947
6948         kill_refs(win);
6949
6950         /* paint memory */
6951         memset(win, 0xff, sizeof *win); /* XXX kill later */
6952
6953         free(win);
6954         DNPRINTF(SWM_D_MISC, "free_window: done\n");
6955 }
6956
6957 void
6958 unmanage_window(struct ws_win *win)
6959 {
6960         struct ws_win           *parent;
6961         xcb_screen_t            *screen;
6962
6963         if (win == NULL)
6964                 return;
6965
6966         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
6967
6968         if (win->transient) {
6969                 parent = find_window(win->transient);
6970                 if (parent)
6971                         parent->child_trans = NULL;
6972         }
6973
6974         /* focus on root just in case */
6975         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6976         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6977             screen->root, XCB_CURRENT_TIME);
6978
6979         focus_prev(win);
6980
6981         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6982         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6983 }
6984
6985 void
6986 focus_magic(struct ws_win *win)
6987 {
6988         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
6989
6990         if (win == NULL) {
6991                 /* if there are no windows clear the status-bar */
6992                 bar_update();
6993                 return;
6994         }
6995
6996         if (win->child_trans) {
6997                 /* win = parent & has a transient so focus on that */
6998                 if (win->java) {
6999                         focus_win(win->child_trans);
7000                         if (win->child_trans->take_focus)
7001                                 client_msg(win, a_takefocus);
7002                 } else {
7003                         /* make sure transient hasn't disappeared */
7004                         if (validate_win(win->child_trans) == 0) {
7005                                 focus_win(win->child_trans);
7006                                 if (win->child_trans->take_focus)
7007                                         client_msg(win->child_trans,
7008                                             a_takefocus);
7009                         } else {
7010                                 win->child_trans = NULL;
7011                                 focus_win(win);
7012                                 if (win->take_focus)
7013                                         client_msg(win, a_takefocus);
7014                         }
7015                 }
7016         } else {
7017                 /* regular focus */
7018                 focus_win(win);
7019                 if (win->take_focus)
7020                         client_msg(win, a_takefocus);
7021         }
7022 }
7023
7024 void
7025 expose(xcb_expose_event_t *e)
7026 {
7027         int                     i, num_screens;
7028         struct swm_region       *r;
7029
7030         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
7031
7032         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7033         for (i = 0; i < num_screens; i++)
7034                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7035                         if (e->window == WINID(r->bar))
7036                                 bar_update();
7037
7038         xcb_flush(conn);
7039 }
7040
7041 #ifdef SWM_DEBUG
7042 void
7043 focusin(xcb_focus_in_event_t *e)
7044 {
7045         DNPRINTF(SWM_D_EVENT, "focusin: window: 0x%x, mode: %s(%u), "
7046             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
7047             e->mode, get_notify_detail_label(e->detail), e->detail);
7048 }
7049 #endif
7050
7051 void
7052 keypress(xcb_key_press_event_t *e)
7053 {
7054         xcb_keysym_t            keysym;
7055         struct key              *kp;
7056
7057         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
7058
7059         DNPRINTF(SWM_D_EVENT, "keypress: %u %u\n", e->detail, keysym);
7060
7061         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
7062                 return;
7063
7064         if (kp->funcid == KF_SPAWN_CUSTOM)
7065                 spawn_custom(root_to_region(e->root),
7066                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
7067         else if (keyfuncs[kp->funcid].func)
7068                 keyfuncs[kp->funcid].func(root_to_region(e->root),
7069                     &(keyfuncs[kp->funcid].args));
7070 }
7071
7072 void
7073 buttonpress(xcb_button_press_event_t *e)
7074 {
7075         struct ws_win           *win;
7076         int                     i;
7077         unsigned int            action;
7078
7079         DNPRINTF(SWM_D_EVENT, "buttonpress: window 0x%x, detail: %u\n",
7080             e->event, e->detail);
7081
7082         if ((win = find_window(e->event)) == NULL)
7083                 return;
7084
7085         focus_magic(win);
7086         action = client_click;
7087
7088         for (i = 0; i < LENGTH(buttons); i++)
7089                 if (action == buttons[i].action && buttons[i].func &&
7090                     buttons[i].button == e->detail &&
7091                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state))
7092                         buttons[i].func(win, &buttons[i].args);
7093
7094         xcb_flush(conn);
7095 }
7096
7097 #ifdef SWM_DEBUG
7098 void
7099 print_win_geom(xcb_window_t w)
7100 {
7101         xcb_get_geometry_reply_t        *wa;
7102
7103         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
7104
7105         if (!wa) {
7106                 DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: 0x%x\n",
7107                     w);
7108                 return;
7109         }
7110
7111         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
7112             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
7113             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
7114             wa->border_width);
7115
7116         free(wa);
7117 }
7118 #endif
7119
7120 void
7121 configurerequest(xcb_configure_request_event_t *e)
7122 {
7123         struct ws_win           *win;
7124         int                     new = 0, i = 0;
7125         uint16_t                mask = 0;
7126         uint32_t                wc[7] = {0};
7127
7128         if ((win = find_window(e->window)) == NULL)
7129                 if ((win = find_unmanaged_window(e->window)) == NULL)
7130                         new = 1;
7131 #ifdef SWM_DEBUG
7132         print_win_geom(e->window);
7133 #endif
7134         if (new) {
7135                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%x, "
7136                     "value_mask: 0x%x", e->window, e->value_mask);
7137                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
7138                         mask |= XCB_CONFIG_WINDOW_X;
7139                         wc[i++] = e->x;
7140                         DPRINTF(", X: %d", e->x);
7141                 }
7142                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
7143                         mask |= XCB_CONFIG_WINDOW_Y;
7144                         wc[i++] = e->y;
7145                         DPRINTF(", Y: %d", e->y);
7146                 }
7147                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
7148                         mask |= XCB_CONFIG_WINDOW_WIDTH;
7149                         wc[i++] = e->width;
7150                         DPRINTF(", W: %u", e->width);
7151                 }
7152                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
7153                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
7154                         wc[i++] = e->height;
7155                         DPRINTF(", H: %u", e->height);
7156                 }
7157                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
7158                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
7159                         wc[i++] = e->border_width;
7160                         DPRINTF(", Border: %u", e->border_width);
7161                 }
7162                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
7163                         mask |= XCB_CONFIG_WINDOW_SIBLING;
7164                         wc[i++] = e->sibling;
7165                         DPRINTF(", Sibling: 0x%x", e->sibling);
7166                 }
7167                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
7168                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
7169                         wc[i++] = e->stack_mode;
7170                         DPRINTF(", StackMode: %u", e->stack_mode);
7171                 }
7172
7173                 if (mask != 0)
7174                         xcb_configure_window(conn, e->window, mask, wc);
7175
7176                 DPRINTF(", Sent: %s\n", YESNO((mask != 0)));
7177         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
7178             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
7179                 win->g_float.x = e->x - X(win->ws->r);
7180                 win->g_float.y = e->y - Y(win->ws->r);
7181                 win->g_float.w = e->width;
7182                 win->g_float.h = e->height;
7183                 win->g_floatvalid = 1;
7184
7185                 if (win->floating) {
7186                         win->g = win->g_float;
7187                         win->g.x += X(win->ws->r);
7188                         win->g.y += Y(win->ws->r);
7189                         update_window(win);
7190                 } else {
7191                         config_win(win, e);
7192                 }
7193         } else {
7194                 config_win(win, e);
7195         }
7196
7197         xcb_flush(conn);
7198 }
7199
7200 void
7201 configurenotify(xcb_configure_notify_event_t *e)
7202 {
7203         struct ws_win           *win;
7204
7205         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%x\n",
7206             e->window);
7207
7208         win = find_window(e->window);
7209         if (win) {
7210                 xcb_icccm_get_wm_normal_hints_reply(conn,
7211                     xcb_icccm_get_wm_normal_hints(conn, win->id),
7212                     &win->sh, NULL);
7213                 adjust_font(win);
7214                 if (font_adjusted)
7215                         stack();
7216         }
7217 }
7218
7219 void
7220 destroynotify(xcb_destroy_notify_event_t *e)
7221 {
7222         struct ws_win           *win;
7223
7224         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
7225
7226         if ((win = find_window(e->window)) == NULL) {
7227                 if ((win = find_unmanaged_window(e->window)) == NULL)
7228                         return;
7229                 free_window(win);
7230                 return;
7231         }
7232
7233         /* make sure we focus on something */
7234         win->floating = 0;
7235
7236         unmanage_window(win);
7237         stack();
7238         free_window(win);
7239 }
7240
7241 #ifdef SWM_DEBUG
7242 char *
7243 get_notify_detail_label(uint8_t detail)
7244 {
7245         char *label;
7246
7247         switch (detail) {
7248         case XCB_NOTIFY_DETAIL_ANCESTOR:
7249                 label = "Ancestor";
7250                 break;
7251         case XCB_NOTIFY_DETAIL_VIRTUAL:
7252                 label = "Virtual";
7253                 break;
7254         case XCB_NOTIFY_DETAIL_INFERIOR:
7255                 label = "Inferior";
7256                 break;
7257         case XCB_NOTIFY_DETAIL_NONLINEAR:
7258                 label = "Nonlinear";
7259                 break;
7260         case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
7261                 label = "NonlinearVirtual";
7262                 break;
7263         case XCB_NOTIFY_DETAIL_POINTER:
7264                 label = "Pointer";
7265                 break;
7266         case XCB_NOTIFY_DETAIL_POINTER_ROOT:
7267                 label = "PointerRoot";
7268                 break;
7269         case XCB_NOTIFY_DETAIL_NONE:
7270                 label = "None";
7271                 break;
7272         default:
7273                 label = "Unknown";
7274         }
7275
7276         return label;
7277 }
7278
7279 char *
7280 get_notify_mode_label(uint8_t mode)
7281 {
7282         char *label;
7283
7284         switch (mode) {
7285         case XCB_NOTIFY_MODE_NORMAL:
7286                 label = "Normal";
7287                 break;
7288         case XCB_NOTIFY_MODE_GRAB:
7289                 label = "Grab";
7290                 break;
7291         case XCB_NOTIFY_MODE_UNGRAB:
7292                 label = "Ungrab";
7293                 break;
7294         case XCB_NOTIFY_MODE_WHILE_GRABBED:
7295                 label = "WhileGrabbed";
7296                 break;
7297         default:
7298                 label = "Unknown";
7299         }
7300
7301         return label;
7302 }
7303 #endif
7304
7305 void
7306 enternotify(xcb_enter_notify_event_t *e)
7307 {
7308         struct ws_win           *win;
7309         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%x, mode: %s(%d), "
7310             "detail: %s(%d), root: 0x%x, subwindow: 0x%x, same_screen_focus: "
7311             "%s, state: %d\n", e->event, get_notify_mode_label(e->mode),
7312             e->mode, get_notify_detail_label(e->detail), e->detail, e->root,
7313             e->child, YESNO(e->same_screen_focus), e->state);
7314
7315         if (e->mode != XCB_NOTIFY_MODE_NORMAL) {
7316                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
7317                     "cursor grab.\n");
7318                 return;
7319         }
7320
7321         switch (focus_mode) {
7322         case SWM_FOCUS_DEFAULT:
7323                 break;
7324         case SWM_FOCUS_FOLLOW:
7325                 break;
7326         case SWM_FOCUS_SYNERGY:
7327                 break;
7328         }
7329
7330         if ((win = find_window(e->event)) == NULL) {
7331                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
7332                 return;
7333         }
7334
7335         focus_magic(win);
7336
7337         xcb_flush(conn);
7338 }
7339
7340 #ifdef SWM_DEBUG
7341 void
7342 leavenotify(xcb_leave_notify_event_t *e)
7343 {
7344         DNPRINTF(SWM_D_FOCUS, "leavenotify: window: 0x%x, mode: %s(%d), "
7345             "detail: %s(%d), root: 0x%x, subwindow: 0x%x, same_screen_focus: "
7346             "%s, state: %d\n", e->event, get_notify_mode_label(e->mode),
7347             e->mode, get_notify_detail_label(e->detail), e->detail, e->root,
7348             e->child, YESNO(e->same_screen_focus), e->state);
7349 }
7350 #endif
7351
7352 /* lets us use one switch statement for arbitrary mode/detail combinations */
7353 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
7354
7355 void
7356 mapnotify(xcb_map_notify_event_t *e)
7357 {
7358         struct ws_win           *win;
7359
7360         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
7361
7362         win = manage_window(e->window);
7363         if (win)
7364                 set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
7365
7366         /*
7367          * focus_win can only set input focus on a mapped window.
7368          * make sure the window really has focus since it is just being mapped.
7369          */
7370         if (win->ws->focus == win)
7371                 focus_win(win);
7372 }
7373
7374 void
7375 mappingnotify(xcb_mapping_notify_event_t *e)
7376 {
7377         xcb_refresh_keyboard_mapping(syms, e);
7378
7379         if (e->request == XCB_MAPPING_KEYBOARD)
7380                 grabkeys();
7381 }
7382
7383 void
7384 maprequest(xcb_map_request_event_t *e)
7385 {
7386         struct ws_win           *win;
7387         struct swm_region       *r;
7388         xcb_get_window_attributes_reply_t *war;
7389
7390         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%x\n",
7391             e->window);
7392
7393         war = xcb_get_window_attributes_reply(conn,
7394             xcb_get_window_attributes(conn, e->window),
7395             NULL);
7396         if (!war)
7397                 return;
7398         if (war->override_redirect) {
7399                 free(war);
7400                 return;
7401         }
7402         free(war);
7403
7404         win = manage_window(e->window);
7405         if (win == NULL) {
7406                 return; /* can't happen */
7407         }
7408
7409         stack();
7410
7411         /* make new win focused */
7412         r = root_to_region(win->wa->root);
7413         if (win->ws == r->ws)
7414                 focus_magic(win);
7415 }
7416
7417 #ifdef SWM_DEBUG
7418 char *
7419 get_atom_name(xcb_atom_t atom)
7420 {
7421         char                            *name = NULL;
7422         size_t                          len;
7423         xcb_get_atom_name_reply_t       *r;
7424
7425         r = xcb_get_atom_name_reply(conn,
7426             xcb_get_atom_name(conn, atom),
7427             NULL);
7428         if (r) {
7429                 len = xcb_get_atom_name_name_length(r);
7430                 if (len > 0) {
7431                         name = malloc(len + 1);
7432                         if (name) {
7433                                 memcpy(name, xcb_get_atom_name_name(r), len);
7434                                 name[len] = '\0';
7435                         }
7436                 }
7437                 free(r);
7438         }
7439
7440         return (name);
7441 }
7442 #endif
7443
7444 void
7445 propertynotify(xcb_property_notify_event_t *e)
7446 {
7447         struct ws_win           *win;
7448 #ifdef SWM_DEBUG
7449         char                    *name;
7450
7451         name = get_atom_name(e->atom);
7452         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u)\n",
7453             e->window, name, e->atom);
7454         free(name);
7455 #endif
7456
7457         win = find_window(e->window);
7458         if (win == NULL)
7459                 return;
7460
7461         if (e->state == XCB_PROPERTY_DELETE && e->atom == a_swm_iconic) {
7462                 update_iconic(win, 0);
7463                 map_window_raised(win->id);
7464                 stack();
7465                 focus_win(win);
7466                 return;
7467         }
7468
7469         switch (e->atom) {
7470         case XCB_ATOM_WM_CLASS:
7471         case XCB_ATOM_WM_NAME:
7472                 bar_update();
7473                 break;
7474         default:
7475                 break;
7476         }
7477 }
7478
7479 void
7480 unmapnotify(xcb_unmap_notify_event_t *e)
7481 {
7482         struct ws_win           *win;
7483
7484         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
7485
7486         /* determine if we need to help unmanage this window */
7487         win = find_window(e->window);
7488         if (win == NULL)
7489                 return;
7490
7491         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL) {
7492                 unmanage_window(win);
7493                 stack();
7494
7495                 /* resend unmap because we ated it */
7496                 xcb_unmap_window(conn, e->window);
7497                 xcb_flush(conn);
7498         }
7499 }
7500
7501 #if 0
7502 void
7503 visibilitynotify(xcb_visibility_notify_event_t *e)
7504 {
7505         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
7506             e->window);
7507 }
7508 #endif
7509
7510 void
7511 clientmessage(xcb_client_message_event_t *e)
7512 {
7513         struct ws_win *win;
7514         xcb_map_request_event_t mre;
7515 #ifdef SWM_DEBUG
7516         char                    *name;
7517
7518         name = get_atom_name(e->type);
7519         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
7520             e->window, name, e->type);
7521         free(name);
7522 #endif
7523         win = find_window(e->window);
7524
7525         if (win == NULL) {
7526                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7527                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7528                             "unmanaged window.\n");
7529                         mre.window = e->window;
7530                         maprequest(&mre);
7531                 }
7532                 return;
7533         }
7534
7535         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7536                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7537                 focus_win(win);
7538         }
7539         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
7540                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7541                 if (win->can_delete)
7542                         client_msg(win, a_delete);
7543                 else
7544                         xcb_kill_client(conn, win->id);
7545         }
7546         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7547                 DNPRINTF(SWM_D_EVENT,
7548                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7549                 if (win->floating) {
7550                         if (e->data.data32[0] & (1<<8)) /* x */
7551                                 X(win) = e->data.data32[1];
7552                         if (e->data.data32[0] & (1<<9)) /* y */
7553                                 Y(win) = e->data.data32[2];
7554                         if (e->data.data32[0] & (1<<10)) /* width */
7555                                 WIDTH(win) = e->data.data32[3];
7556                         if (e->data.data32[0] & (1<<11)) /* height */
7557                                 HEIGHT(win) = e->data.data32[4];
7558
7559                         update_window(win);
7560                 }
7561                 else {
7562                         /* TODO: Change stack sizes */
7563                         /* notify no change was made. */
7564                         config_win(win, NULL);
7565                 }
7566         }
7567         if (e->type == ewmh[_NET_WM_STATE].atom) {
7568                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7569                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
7570                 if (e->data.data32[2])
7571                         ewmh_update_win_state(win, e->data.data32[2],
7572                             e->data.data32[0]);
7573
7574                 stack();
7575         }
7576
7577         xcb_flush(conn);
7578 }
7579
7580 void
7581 check_conn(void)
7582 {
7583         int      errcode = xcb_connection_has_error(conn);
7584 #ifdef XCB_CONN_ERROR
7585         char    *s;
7586         switch (errcode) {
7587         case XCB_CONN_ERROR:
7588                 s = "Socket error, pipe error or other stream error.";
7589                 break;
7590         case XCB_CONN_CLOSED_EXT_NOTSUPPORTED:
7591                 s = "Extension not supported.";
7592                 break;
7593         case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
7594                 s = "Insufficient memory.";
7595                 break;
7596         case XCB_CONN_CLOSED_REQ_LEN_EXCEED:
7597                 s = "Request length was exceeded.";
7598                 break;
7599         case XCB_CONN_CLOSED_PARSE_ERR:
7600                 s = "Error parsing display string.";
7601                 break;
7602         default:
7603                 s = "Unknown error.";
7604         }
7605         if (errcode)
7606                 errx(errcode, "X CONNECTION ERROR: %s", s);
7607 #else
7608         if (errcode)
7609                 errx(errcode, "X CONNECTION ERROR");
7610 #endif
7611 }
7612
7613 int
7614 enable_wm(void)
7615 {
7616         int                     num_screens, i;
7617         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
7618         xcb_screen_t            *sc;
7619         xcb_void_cookie_t       wac;
7620         xcb_generic_error_t     *error;
7621
7622         /* this causes an error if some other window manager is running */
7623         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7624         for (i = 0; i < num_screens; i++) {
7625                 if ((sc = get_screen(i)) == NULL)
7626                         errx(1, "ERROR: can't get screen %d.", i);
7627                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
7628                     i, sc->root);
7629                 wac = xcb_change_window_attributes_checked(conn, sc->root,
7630                     XCB_CW_EVENT_MASK, &val);
7631                 if ((error = xcb_request_check(conn, wac))) {
7632                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
7633                             error->error_code);
7634                         free(error);
7635                         return 1;
7636                 }
7637         }
7638
7639         return 0;
7640 }
7641
7642 void
7643 new_region(struct swm_screen *s, int x, int y, int w, int h)
7644 {
7645         struct swm_region       *r, *n;
7646         struct workspace        *ws = NULL;
7647         int                     i;
7648
7649         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7650              s->idx, w, h, x, y);
7651
7652         /* remove any conflicting regions */
7653         n = TAILQ_FIRST(&s->rl);
7654         while (n) {
7655                 r = n;
7656                 n = TAILQ_NEXT(r, entry);
7657                 if (X(r) < (x + w) &&
7658                     (X(r) + WIDTH(r)) > x &&
7659                     Y(r) < (y + h) &&
7660                     (Y(r) + HEIGHT(r)) > y) {
7661                         if (r->ws->r != NULL)
7662                                 r->ws->old_r = r->ws->r;
7663                         r->ws->r = NULL;
7664                         bar_cleanup(r);
7665                         TAILQ_REMOVE(&s->rl, r, entry);
7666                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7667                 }
7668         }
7669
7670         /* search old regions for one to reuse */
7671
7672         /* size + location match */
7673         TAILQ_FOREACH(r, &s->orl, entry)
7674                 if (X(r) == x && Y(r) == y &&
7675                     HEIGHT(r) == h && WIDTH(r) == w)
7676                         break;
7677
7678         /* size match */
7679         TAILQ_FOREACH(r, &s->orl, entry)
7680                 if (HEIGHT(r) == h && WIDTH(r) == w)
7681                         break;
7682
7683         if (r != NULL) {
7684                 TAILQ_REMOVE(&s->orl, r, entry);
7685                 /* try to use old region's workspace */
7686                 if (r->ws->r == NULL)
7687                         ws = r->ws;
7688         } else
7689                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7690                         err(1, "new_region: calloc: failed to allocate memory "
7691                             "for screen");
7692
7693         /* if we don't have a workspace already, find one */
7694         if (ws == NULL) {
7695                 for (i = 0; i < workspace_limit; i++)
7696                         if (s->ws[i].r == NULL) {
7697                                 ws = &s->ws[i];
7698                                 break;
7699                         }
7700         }
7701
7702         if (ws == NULL)
7703                 errx(1, "new_region: no free workspaces");
7704
7705         X(r) = x;
7706         Y(r) = y;
7707         WIDTH(r) = w;
7708         HEIGHT(r) = h;
7709         r->s = s;
7710         r->ws = ws;
7711         r->ws_prior = NULL;
7712         ws->r = r;
7713         outputs++;
7714         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7715 }
7716
7717 void
7718 scan_xrandr(int i)
7719 {
7720 #ifdef SWM_XRR_HAS_CRTC
7721         int                                             c;
7722         int                                             ncrtc = 0;
7723 #endif /* SWM_XRR_HAS_CRTC */
7724         struct swm_region                               *r;
7725         int                                             num_screens;
7726         xcb_randr_get_screen_resources_current_cookie_t src;
7727         xcb_randr_get_screen_resources_current_reply_t  *srr;
7728         xcb_randr_get_crtc_info_cookie_t                cic;
7729         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7730         xcb_randr_crtc_t                                *crtc;
7731         xcb_screen_t                                    *screen;
7732
7733         if ((screen = get_screen(i)) == NULL)
7734                 errx(1, "ERROR: can't get screen %d.", i);
7735
7736         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7737         if (i >= num_screens)
7738                 errx(1, "scan_xrandr: invalid screen");
7739
7740         /* remove any old regions */
7741         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7742                 r->ws->old_r = r->ws->r = NULL;
7743                 bar_cleanup(r);
7744                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7745                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7746         }
7747         outputs = 0;
7748
7749         /* map virtual screens onto physical screens */
7750 #ifdef SWM_XRR_HAS_CRTC
7751         if (xrandr_support) {
7752                 src = xcb_randr_get_screen_resources_current(conn,
7753                     screens[i].root);
7754                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7755                     NULL);
7756                 if (srr == NULL) {
7757                         new_region(&screens[i], 0, 0,
7758                             screen->width_in_pixels,
7759                             screen->height_in_pixels);
7760                         return;
7761                 } else
7762                         ncrtc = srr->num_crtcs;
7763
7764                 crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7765                 for (c = 0; c < ncrtc; c++) {
7766                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7767                             XCB_CURRENT_TIME);
7768                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7769                         if (cir == NULL)
7770                                 continue;
7771                         if (cir->num_outputs == 0) {
7772                                 free(cir);
7773                                 continue;
7774                         }
7775
7776                         if (cir->mode == 0)
7777                                 new_region(&screens[i], 0, 0,
7778                                     screen->width_in_pixels,
7779                                     screen->height_in_pixels);
7780                         else
7781                                 new_region(&screens[i],
7782                                     cir->x, cir->y, cir->width, cir->height);
7783                         free(cir);
7784                 }
7785                 free(srr);
7786         } else
7787 #endif /* SWM_XRR_HAS_CRTC */
7788         {
7789                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7790                     screen->height_in_pixels);
7791         }
7792 }
7793
7794 void
7795 screenchange(xcb_randr_screen_change_notify_event_t *e)
7796 {
7797         struct swm_region               *r;
7798         int                             i, num_screens;
7799
7800         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
7801
7802         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7803         /* silly event doesn't include the screen index */
7804         for (i = 0; i < num_screens; i++)
7805                 if (screens[i].root == e->root)
7806                         break;
7807         if (i >= num_screens)
7808                 errx(1, "screenchange: screen not found");
7809
7810         /* brute force for now, just re-enumerate the regions */
7811         scan_xrandr(i);
7812
7813 #ifdef SWM_DEBUG
7814         print_win_geom(e->root);
7815 #endif
7816         /* add bars to all regions */
7817         for (i = 0; i < num_screens; i++)
7818                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7819                         bar_setup(r);
7820         stack();
7821 }
7822
7823 void
7824 grab_windows(void)
7825 {
7826         xcb_window_t            *wins   = NULL;
7827         int                     no;
7828         int                     i, j, num_screens;
7829         uint16_t                state, manage;
7830
7831         xcb_query_tree_cookie_t                 qtc;
7832         xcb_query_tree_reply_t                  *qtr;
7833         xcb_get_window_attributes_cookie_t      c;
7834         xcb_get_window_attributes_reply_t       *r;
7835         xcb_get_property_cookie_t               pc;
7836
7837         DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
7838         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7839         for (i = 0; i < num_screens; i++) {
7840                 qtc = xcb_query_tree(conn, screens[i].root);
7841                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7842                 if (!qtr)
7843                         continue;
7844                 wins = xcb_query_tree_children(qtr);
7845                 no = xcb_query_tree_children_length(qtr);
7846                 /* attach windows to a region */
7847                 /* normal windows */
7848                 for (j = 0; j < no; j++) {
7849                         c = xcb_get_window_attributes(conn, wins[j]);
7850                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7851                         if (!r)
7852                                 continue;
7853                         if (r->override_redirect) {
7854                                 free(r);
7855                                 continue;
7856                         }
7857
7858                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7859                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7860                             &wins[j], NULL)) {
7861                                 free(r);
7862                                 continue;
7863                         }
7864
7865                         state = getstate(wins[j]);
7866                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7867                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7868                                 manage_window(wins[j]);
7869                         free(r);
7870                 }
7871                 /* transient windows */
7872                 for (j = 0; j < no; j++) {
7873                         c = xcb_get_window_attributes(conn, wins[j]);
7874                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7875                         if (!r)
7876                                 continue;
7877                         if (r->override_redirect) {
7878                                 free(r);
7879                                 continue;
7880                         }
7881                         free(r);
7882
7883                         state = getstate(wins[j]);
7884                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7885                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7886                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7887                             &wins[j], NULL) && manage)
7888                                 manage_window(wins[j]);
7889                 }
7890                 free(qtr);
7891         }
7892         DNPRINTF(SWM_D_INIT, "grab_windows: done\n");
7893 }
7894
7895 void
7896 setup_screens(void)
7897 {
7898         int                     i, j, k, num_screens;
7899         struct workspace        *ws;
7900         uint32_t                gcv[1], wa[1];
7901         const xcb_query_extension_reply_t *qep;
7902         xcb_screen_t                            *screen;
7903         xcb_cursor_t                            cursor;
7904         xcb_font_t                              cursor_font;
7905         xcb_randr_query_version_cookie_t        c;
7906         xcb_randr_query_version_reply_t         *r;
7907
7908         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7909         if ((screens = calloc(num_screens,
7910              sizeof(struct swm_screen))) == NULL)
7911                 err(1, "setup_screens: calloc: failed to allocate memory for "
7912                     "screens");
7913
7914         /* initial Xrandr setup */
7915         xrandr_support = 0;
7916         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7917         if (qep->present) {
7918                 c = xcb_randr_query_version(conn, 1, 1);
7919                 r = xcb_randr_query_version_reply(conn, c, NULL);
7920                 if (r) {
7921                         if (r->major_version >= 1) {
7922                                 xrandr_support = 1;
7923                                 xrandr_eventbase = qep->first_event;
7924                         }
7925                         free(r);
7926                 }
7927         }
7928
7929         cursor_font = xcb_generate_id(conn);
7930         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
7931
7932         cursor = xcb_generate_id(conn);
7933         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
7934             XC_left_ptr, XC_left_ptr + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
7935         wa[0] = cursor;
7936
7937         /* map physical screens */
7938         for (i = 0; i < num_screens; i++) {
7939                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7940                 screens[i].idx = i;
7941                 TAILQ_INIT(&screens[i].rl);
7942                 TAILQ_INIT(&screens[i].orl);
7943                 if ((screen = get_screen(i)) == NULL)
7944                         errx(1, "ERROR: can't get screen %d.", i);
7945                 screens[i].root = screen->root;
7946
7947                 /* set default colors */
7948                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7949                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7950                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7951                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7952                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7953
7954                 /* create graphics context on screen */
7955                 screens[i].bar_gc = xcb_generate_id(conn);
7956                 gcv[0] = 0;
7957                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
7958                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
7959
7960                 /* set default cursor */
7961                 xcb_change_window_attributes(conn, screens[i].root,
7962                     XCB_CW_CURSOR, wa);
7963
7964                 /* init all workspaces */
7965                 /* XXX these should be dynamically allocated too */
7966                 for (j = 0; j < SWM_WS_MAX; j++) {
7967                         ws = &screens[i].ws[j];
7968                         ws->idx = j;
7969                         ws->name = NULL;
7970                         ws->focus = NULL;
7971                         ws->r = NULL;
7972                         ws->old_r = NULL;
7973                         TAILQ_INIT(&ws->winlist);
7974                         TAILQ_INIT(&ws->unmanagedlist);
7975
7976                         for (k = 0; layouts[k].l_stack != NULL; k++)
7977                                 if (layouts[k].l_config != NULL)
7978                                         layouts[k].l_config(ws,
7979                                             SWM_ARG_ID_STACKINIT);
7980                         ws->cur_layout = &layouts[0];
7981                         ws->cur_layout->l_string(ws);
7982                 }
7983
7984                 scan_xrandr(i);
7985
7986                 if (xrandr_support)
7987                         xcb_randr_select_input(conn, screens[i].root,
7988                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7989         }
7990         xcb_free_cursor(conn, cursor);
7991         xcb_close_font(conn, cursor_font);
7992 }
7993
7994 void
7995 setup_globals(void)
7996 {
7997         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7998                 err(1, "setup_globals: strdup: failed to allocate memory.");
7999
8000         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
8001                 err(1, "setup_globals: strdup: failed to allocate memory.");
8002
8003         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
8004                 errx(1, "unable to allocate key symbols");
8005
8006         a_state = get_atom_from_string("WM_STATE");
8007         a_prot = get_atom_from_string("WM_PROTOCOLS");
8008         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
8009         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
8010         a_wmname = get_atom_from_string("WM_NAME");
8011         a_netwmname = get_atom_from_string("_NET_WM_NAME");
8012         a_utf8_string = get_atom_from_string("UTF8_STRING");
8013         a_string = get_atom_from_string("STRING");
8014         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
8015         a_swm_ws = get_atom_from_string("_SWM_WS");
8016 }
8017
8018 void
8019 workaround(void)
8020 {
8021         int                     i, num_screens;
8022         xcb_atom_t              netwmcheck;
8023         xcb_window_t            root, win;
8024         uint32_t                wa[2];
8025
8026         /* work around sun jdk bugs, code from wmname */
8027         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
8028
8029         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8030         for (i = 0; i < num_screens; i++) {
8031                 root = screens[i].root;
8032
8033                 win = xcb_generate_id(conn);
8034                 wa[0] = screens[i].c[SWM_S_COLOR_UNFOCUS].pixel;
8035                 wa[1] = screens[i].c[SWM_S_COLOR_UNFOCUS].pixel;
8036                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, 0, 0, 0, 1,
8037                     1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
8038                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
8039
8040                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
8041                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
8042                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
8043                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
8044                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
8045                     a_netwmname, a_utf8_string, 8, strlen("LG3D"), "LG3D");
8046         }
8047 }
8048
8049 void
8050 shutdown_cleanup(void)
8051 {
8052         int i, num_screens;
8053
8054         /* disable alarm because the following code may not be interrupted */
8055         alarm(0);
8056         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
8057                 err(1, "can't disable alarm");
8058
8059         bar_extra_stop();
8060         bar_extra = 1;
8061         unmap_all();
8062
8063         teardown_ewmh();
8064
8065         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8066         for (i = 0; i < num_screens; ++i) {
8067                 if (screens[i].bar_gc != 0)
8068                         xcb_free_gc(conn, screens[i].bar_gc);
8069                 if (!bar_font_legacy)
8070                         XftColorFree(display, DefaultVisual(display, i),
8071                             DefaultColormap(display, i), &bar_font_color);
8072         }
8073
8074         if (bar_font_legacy)
8075                 XFreeFontSet(display, bar_fs);
8076         else {
8077                 XftFontClose(display, bar_font);
8078         }
8079
8080         xcb_key_symbols_free(syms);
8081         xcb_flush(conn);
8082         xcb_disconnect(conn);
8083 }
8084
8085 void
8086 event_error(xcb_generic_error_t *e)
8087 {
8088         (void)e;
8089
8090         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
8091             "resource_id: %u, minor_code: %u\n",
8092             xcb_event_get_error_label(e->error_code), e->error_code,
8093             xcb_event_get_request_label(e->major_code), e->major_code,
8094             e->sequence, e->resource_id, e->minor_code);
8095 }
8096
8097 void
8098 event_handle(xcb_generic_event_t *evt)
8099 {
8100         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
8101
8102         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d)\n",
8103             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
8104             XCB_EVENT_RESPONSE_TYPE(evt));
8105
8106         switch (type) {
8107 #define EVENT(type, callback) case type: callback((void *)evt); return
8108         EVENT(0, event_error);
8109         EVENT(XCB_BUTTON_PRESS, buttonpress);
8110         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
8111         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
8112         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
8113         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
8114         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
8115         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
8116         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
8117         /*EVENT(XCB_CREATE_NOTIFY, );*/
8118         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
8119         EVENT(XCB_ENTER_NOTIFY, enternotify);
8120         EVENT(XCB_EXPOSE, expose);
8121 #ifdef SWM_DEBUG
8122         EVENT(XCB_FOCUS_IN, focusin);
8123 #endif
8124         /*EVENT(XCB_FOCUS_OUT, );*/
8125         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
8126         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
8127         EVENT(XCB_KEY_PRESS, keypress);
8128         /*EVENT(XCB_KEY_RELEASE, keypress);*/
8129         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
8130 #ifdef SWM_DEBUG
8131         EVENT(XCB_LEAVE_NOTIFY, leavenotify);
8132 #endif
8133         EVENT(XCB_MAP_NOTIFY, mapnotify);
8134         EVENT(XCB_MAP_REQUEST, maprequest);
8135         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
8136         /*EVENT(XCB_MOTION_NOTIFY, );*/
8137         /*EVENT(XCB_NO_EXPOSURE, );*/
8138         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
8139         /*EVENT(XCB_REPARENT_NOTIFY, );*/
8140         /*EVENT(XCB_RESIZE_REQUEST, );*/
8141         /*EVENT(XCB_SELECTION_CLEAR, );*/
8142         /*EVENT(XCB_SELECTION_NOTIFY, );*/
8143         /*EVENT(XCB_SELECTION_REQUEST, );*/
8144         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
8145         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
8146 #undef EVENT
8147         }
8148         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
8149                 screenchange((void *)evt);
8150 }
8151
8152 int
8153 main(int argc, char *argv[])
8154 {
8155         struct swm_region       *r, *rr;
8156         struct ws_win           *winfocus = NULL;
8157         union arg               a;
8158         char                    conf[PATH_MAX], *cfile = NULL;
8159         struct stat             sb;
8160         int                     xfd, i, num_screens;
8161         struct sigaction        sact;
8162         xcb_generic_event_t     *evt;
8163         struct timeval          tv;
8164         fd_set                  rd;
8165
8166         /* suppress unused warning since var is needed */
8167         (void)argc;
8168
8169         time_started = time(NULL);
8170
8171         start_argv = argv;
8172         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
8173         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
8174                 warnx("no locale support");
8175
8176         /* handle some signals */
8177         bzero(&sact, sizeof(sact));
8178         sigemptyset(&sact.sa_mask);
8179         sact.sa_flags = 0;
8180         sact.sa_handler = sighdlr;
8181         sigaction(SIGINT, &sact, NULL);
8182         sigaction(SIGQUIT, &sact, NULL);
8183         sigaction(SIGTERM, &sact, NULL);
8184         sigaction(SIGHUP, &sact, NULL);
8185
8186         sact.sa_handler = sighdlr;
8187         sact.sa_flags = SA_NOCLDSTOP;
8188         sigaction(SIGCHLD, &sact, NULL);
8189
8190         if (!(display = XOpenDisplay(0)))
8191                 errx(1, "can not open display");
8192
8193         conn = XGetXCBConnection(display);
8194         if (xcb_connection_has_error(conn))
8195                 errx(1, "can not get XCB connection");
8196
8197         XSetEventQueueOwner(display, XCBOwnsEventQueue);
8198
8199         xcb_prefetch_extension_data(conn, &xcb_randr_id);
8200         xfd = xcb_get_file_descriptor(conn);
8201
8202         /* look for local and global conf file */
8203         pwd = getpwuid(getuid());
8204         if (pwd == NULL)
8205                 errx(1, "invalid user: %d", getuid());
8206
8207         xcb_grab_server(conn);
8208         xcb_aux_sync(conn);
8209
8210         /* flush all events */
8211         while ((evt = xcb_poll_for_event(conn))) {
8212                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
8213                         event_handle(evt);
8214                 free(evt);
8215         }
8216
8217         if (enable_wm() != 0)
8218                 errx(1, "another window manager is currently running");
8219
8220         xcb_aux_sync(conn);
8221
8222         setup_globals();
8223         setup_screens();
8224         setup_keys();
8225         setup_quirks();
8226         setup_spawn();
8227
8228         /* load config */
8229         for (i = 0; ; i++) {
8230                 conf[0] = '\0';
8231                 switch (i) {
8232                 case 0:
8233                         /* ~ */
8234                         snprintf(conf, sizeof conf, "%s/.%s",
8235                             pwd->pw_dir, SWM_CONF_FILE);
8236                         break;
8237                 case 1:
8238                         /* global */
8239                         snprintf(conf, sizeof conf, "/etc/%s",
8240                             SWM_CONF_FILE);
8241                         break;
8242                 case 2:
8243                         /* ~ compat */
8244                         snprintf(conf, sizeof conf, "%s/.%s",
8245                             pwd->pw_dir, SWM_CONF_FILE_OLD);
8246                         break;
8247                 case 3:
8248                         /* global compat */
8249                         snprintf(conf, sizeof conf, "/etc/%s",
8250                             SWM_CONF_FILE_OLD);
8251                         break;
8252                 default:
8253                         goto noconfig;
8254                 }
8255
8256                 if (strlen(conf) && stat(conf, &sb) != -1)
8257                         if (S_ISREG(sb.st_mode)) {
8258                                 cfile = conf;
8259                                 break;
8260                         }
8261         }
8262 noconfig:
8263
8264         /* load conf (if any) */
8265         if (cfile)
8266                 conf_load(cfile, SWM_CONF_DEFAULT);
8267
8268         setup_ewmh();
8269         /* set some values to work around bad programs */
8270         workaround();
8271         /* grab existing windows (before we build the bars) */
8272         grab_windows();
8273
8274         if (getenv("SWM_STARTED") == NULL)
8275                 setenv("SWM_STARTED", "YES", 1);
8276
8277         /* setup all bars */
8278         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8279         for (i = 0; i < num_screens; i++)
8280                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
8281                         if (winfocus == NULL)
8282                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
8283                         bar_setup(r);
8284                 }
8285
8286         //unfocus_all();
8287
8288         grabkeys();
8289         stack();
8290
8291         xcb_ungrab_server(conn);
8292         xcb_flush(conn);
8293
8294         while (running) {
8295                 while ((evt = xcb_poll_for_event(conn))) {
8296                         if (running == 0)
8297                                 goto done;
8298                         event_handle(evt);
8299                         free(evt);
8300                 }
8301
8302                 /* if we are being restarted go focus on first window */
8303                 if (winfocus) {
8304                         rr = winfocus->ws->r;
8305                         if (rr == NULL) {
8306                                 /* not a visible window */
8307                                 winfocus = NULL;
8308                                 continue;
8309                         }
8310                         /* move pointer to first screen if multi screen */
8311                         if (num_screens > 1 || outputs > 1)
8312                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
8313                                     rr->s[0].root, 0, 0, 0, 0, X(rr),
8314                                     Y(rr) + (bar_enabled ? bar_height : 0));
8315
8316                         a.id = SWM_ARG_ID_FOCUSCUR;
8317                         focus(rr, &a);
8318                         winfocus = NULL;
8319                         continue;
8320                 }
8321
8322                 FD_ZERO(&rd);
8323                 FD_SET(xfd, &rd);
8324                 tv.tv_sec = 1;
8325                 tv.tv_usec = 0;
8326                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
8327                         if (errno != EINTR) {
8328                                 DNPRINTF(SWM_D_MISC, "select failed");
8329                         }
8330                 if (restart_wm == 1)
8331                         restart(NULL, NULL);
8332                 if (search_resp == 1)
8333                         search_do_resp();
8334                 if (running == 0)
8335                         goto done;
8336                 if (bar_alarm) {
8337                         bar_alarm = 0;
8338                         bar_update();
8339                 }
8340         }
8341 done:
8342         shutdown_cleanup();
8343
8344         return (0);
8345 }