spectrwm.c

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