spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2012 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  * Copyright (c) 2012 David Hill <dhill@mindcry.org>
  12  *
  13  * Permission to use, copy, modify, and distribute this software for any
  14  * purpose with or without fee is hereby granted, provided that the above
  15  * copyright notice and this permission notice appear in all copies.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  18  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  20  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  21  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  22  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  23  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  24  */
  25 /*
  26  * Much code and ideas taken from dwm under the following license:
  27  * MIT/X Consortium License
  28  *
  29  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  30  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  31  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  32  * 2007 Premysl Hruby <dfenze at gmail dot com>
  33  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  34  * 2007 Christof Musik <christof at sendfax dot de>
  35  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  36  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  37  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  38  *
  39  * Permission is hereby granted, free of charge, to any person obtaining a
  40  * copy of this software and associated documentation files (the "Software"),
  41  * to deal in the Software without restriction, including without limitation
  42  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  43  * and/or sell copies of the Software, and to permit persons to whom the
  44  * Software is furnished to do so, subject to the following conditions:
  45  *
  46  * The above copyright notice and this permission notice shall be included in
  47  * all copies or substantial portions of the Software.
  48  *
  49  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  50  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  51  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  52  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  53  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  54  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  55  * DEALINGS IN THE SOFTWARE.
  56  */
  57
  58 /* kernel includes */
  59 #include <sys/types.h>
  60 #include <sys/time.h>
  61 #include <sys/stat.h>
  62 #include <sys/wait.h>
  63 #include <sys/queue.h>
  64 #include <sys/param.h>
  65 #include <sys/select.h>
  66 #if defined(__linux__)
  67 #include "tree.h"
  68 #elif defined(__OpenBSD__)
  69 #include <sys/tree.h>
  70 #elif defined(__FreeBSD__)
  71 #include <sys/tree.h>
  72 #else
  73 #include "tree.h"
  74 #endif
  75
  76 /* /usr/includes */
  77 #include <ctype.h>
  78 #include <err.h>
  79 #include <errno.h>
  80 #include <fcntl.h>
  81 #include <locale.h>
  82 #include <paths.h>
  83 #include <pwd.h>
  84 #include <signal.h>
  85 #include <stdio.h>
  86 #include <stdlib.h>
  87 #include <string.h>
  88 #include <time.h>
  89 #include <unistd.h>
  90 #include <util.h>
  91 #include <X11/cursorfont.h>
  92 #include <X11/extensions/Xrandr.h>
  93 #include <X11/Xft/Xft.h>
  94 #include <X11/Xlib-xcb.h>
  95 #include <xcb/xcb_atom.h>
  96 #include <xcb/xcb_aux.h>
  97 #include <xcb/xcb_event.h>
  98 #include <xcb/xcb_icccm.h>
  99 #include <xcb/xcb_keysyms.h>
 100 #include <xcb/xtest.h>
 101 #include <xcb/randr.h>
 102
 103 /* local includes */
 104 #include "version.h"
 105 #ifdef __OSX__
 106 #include <osx.h>
 107 #endif
 108
 109 #ifdef SPECTRWM_BUILDSTR
 110 static const char       *buildstr = SPECTRWM_BUILDSTR;
 111 #else
 112 static const char       *buildstr = SPECTRWM_VERSION;
 113 #endif
 114
 115 #if !defined(__CYGWIN__) /* cygwin chokes on xrandr stuff */
 116 #  if RANDR_MAJOR < 1
 117 #    error XRandR versions less than 1.0 are not supported
 118 #endif
 119
 120 #  if RANDR_MAJOR >= 1
 121 #    if RANDR_MINOR >= 2
 122 #      define SWM_XRR_HAS_CRTC
 123 #    endif
 124 #  endif
 125 #endif /* __CYGWIN__ */
 126
 127 #ifndef XCB_ICCCM_NUM_WM_HINTS_ELEMENTS
 128 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 129 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 130 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 131 #define XCB_ICCCM_WM_HINT_INPUT                 XCB_WM_HINT_INPUT
 132 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 133 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 134 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 135 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 136 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 137 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 138 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 139 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 140 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 141 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 142 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 143 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 144 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 145 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 146 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 147 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 148 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 149 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 150 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 151 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 152 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 153 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 154 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 155 #endif
 156
 157 /*#define SWM_DEBUG*/
 158 #ifdef SWM_DEBUG
 159 #define DPRINTF(x...) do {                                                      \
 160         if (swm_debug)                                                          \
 161                 fprintf(stderr, x);                                             \
 162 } while (0)
 163 #define DNPRINTF(n,x...) do {                                                   \
 164         if (swm_debug & n) {                                                    \
 165                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 166                 fprintf(stderr, x);                                             \
 167         }                                                                       \
 168 } while (0)
 169 #define SWM_D_MISC              0x0001
 170 #define SWM_D_EVENT             0x0002
 171 #define SWM_D_WS                0x0004
 172 #define SWM_D_FOCUS             0x0008
 173 #define SWM_D_MOVE              0x0010
 174 #define SWM_D_STACK             0x0020
 175 #define SWM_D_MOUSE             0x0040
 176 #define SWM_D_PROP              0x0080
 177 #define SWM_D_CLASS             0x0100
 178 #define SWM_D_KEY               0x0200
 179 #define SWM_D_QUIRK             0x0400
 180 #define SWM_D_SPAWN             0x0800
 181 #define SWM_D_EVENTQ            0x1000
 182 #define SWM_D_CONF              0x2000
 183 #define SWM_D_BAR               0x4000
 184 #define SWM_D_INIT              0x8000
 185
 186 u_int32_t               swm_debug = 0
 187                             | SWM_D_MISC
 188                             | SWM_D_EVENT
 189                             | SWM_D_WS
 190                             | SWM_D_FOCUS
 191                             | SWM_D_MOVE
 192                             | SWM_D_STACK
 193                             | SWM_D_MOUSE
 194                             | SWM_D_PROP
 195                             | SWM_D_CLASS
 196                             | SWM_D_KEY
 197                             | SWM_D_QUIRK
 198                             | SWM_D_SPAWN
 199                             | SWM_D_EVENTQ
 200                             | SWM_D_CONF
 201                             | SWM_D_BAR
 202                             | SWM_D_INIT
 203                             ;
 204 #else
 205 #define DPRINTF(x...)
 206 #define DNPRINTF(n,x...)
 207 #endif
 208
 209 /* convert 8-bit to 16-bit */
 210 #define RGB_8_TO_16(col)        ((col) << 8) + (col)
 211
 212 #define PIXEL_TO_XRENDERCOLOR(px, xrc)                                  \
 213         xrc.red = RGB_8_TO_16((px) >> 16 & 0xff);                       \
 214         xrc.green = RGB_8_TO_16((px) >> 8 & 0xff);                      \
 215         xrc.blue = RGB_8_TO_16((px) & 0xff);                            \
 216         xrc.alpha = 0xffff;
 217
 218 #define LENGTH(x)               (int)(sizeof (x) / sizeof (x)[0])
 219 #define MODKEY                  XCB_MOD_MASK_1
 220 #define CLEANMASK(mask)         ((mask) & ~(numlockmask | XCB_MOD_MASK_LOCK))
 221 #define BUTTONMASK              (XCB_EVENT_MASK_BUTTON_PRESS |          \
 222     XCB_EVENT_MASK_BUTTON_RELEASE)
 223 #define MOUSEMASK               (BUTTONMASK|XCB_EVENT_MASK_POINTER_MOTION)
 224 #define SWM_PROPLEN             (16)
 225 #define SWM_FUNCNAME_LEN        (32)
 226 #define SWM_KEYS_LEN            (255)
 227 #define SWM_QUIRK_LEN           (64)
 228 #define X(r)                    (r)->g.x
 229 #define Y(r)                    (r)->g.y
 230 #define WIDTH(r)                (r)->g.w
 231 #define HEIGHT(r)               (r)->g.h
 232 #define BORDER(w)               ((w)->bordered ? border_width : 0)
 233 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 234 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 235 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 236 #define SH_MIN_W(w)             (w)->sh.min_width
 237 #define SH_MIN_H(w)             (w)->sh.min_height
 238 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 239 #define SH_MAX_W(w)             (w)->sh.max_width
 240 #define SH_MAX_H(w)             (w)->sh.max_height
 241 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 242 #define SH_INC_W(w)             (w)->sh.width_inc
 243 #define SH_INC_H(w)             (w)->sh.height_inc
 244 #define SWM_MAX_FONT_STEPS      (3)
 245 #define WINID(w)                ((w) ? (w)->id : 0)
 246 #define YESNO(x)                ((x) ? "yes" : "no")
 247
 248 #define SWM_FOCUS_DEFAULT       (0)
 249 #define SWM_FOCUS_FOLLOW        (1)
 250 #define SWM_FOCUS_MANUAL        (2)
 251
 252 #define SWM_CONF_DEFAULT        (0)
 253 #define SWM_CONF_KEYMAPPING     (1)
 254
 255 #ifndef SWM_LIB
 256 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 257 #endif
 258
 259 char                    **start_argv;
 260 xcb_atom_t              a_state;
 261 xcb_atom_t              a_prot;
 262 xcb_atom_t              a_delete;
 263 xcb_atom_t              a_takefocus;
 264 xcb_atom_t              a_wmname;
 265 xcb_atom_t              a_netwmname;
 266 xcb_atom_t              a_utf8_string;
 267 xcb_atom_t              a_string;
 268 xcb_atom_t              a_swm_iconic;
 269 xcb_atom_t              a_swm_ws;
 270 volatile sig_atomic_t   running = 1;
 271 volatile sig_atomic_t   restart_wm = 0;
 272 xcb_timestamp_t         last_event_time = 0;
 273 int                     outputs = 0;
 274 int                     other_wm;
 275 int                     ss_enabled = 0;
 276 int                     xrandr_support;
 277 int                     xrandr_eventbase;
 278 unsigned int            numlockmask = 0;
 279
 280 Display                 *display;
 281 xcb_connection_t        *conn;
 282 xcb_key_symbols_t       *syms;
 283
 284 int                     cycle_empty = 0;
 285 int                     cycle_visible = 0;
 286 int                     term_width = 0;
 287 int                     font_adjusted = 0;
 288 unsigned int            mod_key = MODKEY;
 289
 290 /* dmenu search */
 291 struct swm_region       *search_r;
 292 int                     select_list_pipe[2];
 293 int                     select_resp_pipe[2];
 294 pid_t                   searchpid;
 295 volatile sig_atomic_t   search_resp;
 296 int                     search_resp_action;
 297
 298 struct search_window {
 299         TAILQ_ENTRY(search_window)      entry;
 300         int                             idx;
 301         struct ws_win                   *win;
 302         xcb_gcontext_t                  gc;
 303         xcb_window_t                    indicator;
 304 };
 305 TAILQ_HEAD(search_winlist, search_window);
 306 struct search_winlist                   search_wl;
 307
 308 /* search actions */
 309 enum {
 310         SWM_SEARCH_NONE,
 311         SWM_SEARCH_UNICONIFY,
 312         SWM_SEARCH_NAME_WORKSPACE,
 313         SWM_SEARCH_SEARCH_WORKSPACE,
 314         SWM_SEARCH_SEARCH_WINDOW
 315 };
 316
 317 #define SWM_STACK_TOP           (0)
 318 #define SWM_STACK_BOTTOM        (1)
 319 #define SWM_STACK_ABOVE         (2)
 320 #define SWM_STACK_BELOW         (3)
 321
 322 /* dialog windows */
 323 double                  dialog_ratio = 0.6;
 324 /* status bar */
 325 #define SWM_BAR_MAX             (256)
 326 #define SWM_BAR_JUSTIFY_LEFT    (0)
 327 #define SWM_BAR_JUSTIFY_CENTER  (1)
 328 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 329 #define SWM_BAR_OFFSET          (4)
 330 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-12-*-*-*-*-*-*-*," \
 331                                 "-*-profont-*-*-*-*-12-*-*-*-*-*-*-*,"      \
 332                                 "-*-times-medium-r-*-*-12-*-*-*-*-*-*-*,"    \
 333                                 "-misc-fixed-medium-r-*-*-12-*-*-*-*-*-*-*,"  \
 334                                 "-*-*-*-r-*-*-*-*-*-*-*-*-*-*"
 335
 336 #ifdef X_HAVE_UTF8_STRING
 337 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 338 #else
 339 #define DRAWSTRING(x...)        XmbDrawString(x)
 340 #endif
 341
 342 char            *bar_argv[] = { NULL, NULL };
 343 int              bar_pipe[2];
 344 unsigned char    bar_ext[SWM_BAR_MAX];
 345 char             bar_vertext[SWM_BAR_MAX];
 346 int              bar_version = 0;
 347 sig_atomic_t     bar_alarm = 0;
 348 int              bar_delay = 30;
 349 int              bar_enabled = 1;
 350 int              bar_border_width = 1;
 351 int              bar_at_bottom = 0;
 352 int              bar_extra = 1;
 353 int              bar_extra_running = 0;
 354 int              bar_verbose = 1;
 355 int              bar_height = 0;
 356 int              bar_justify = SWM_BAR_JUSTIFY_LEFT;
 357 char             *bar_format = NULL;
 358 int              stack_enabled = 1;
 359 int              clock_enabled = 1;
 360 int              urgent_enabled = 0;
 361 char            *clock_format = NULL;
 362 int              title_name_enabled = 0;
 363 int              title_class_enabled = 0;
 364 int              window_name_enabled = 0;
 365 int              focus_mode = SWM_FOCUS_DEFAULT;
 366 int              focus_close = SWM_STACK_BELOW;
 367 int              focus_close_wrap = 1;
 368 int              focus_default = SWM_STACK_TOP;
 369 int              spawn_position = SWM_STACK_TOP;
 370 int              disable_border = 0;
 371 int              border_width = 1;
 372 int              verbose_layout = 0;
 373 time_t           time_started;
 374 pid_t            bar_pid;
 375 XFontSet         bar_fs;
 376 XFontSetExtents *bar_fs_extents;
 377 XftFont         *bar_font;
 378 int              bar_font_legacy = 1;
 379 char            *bar_fonts;
 380 XftColor         bar_font_color;
 381 struct passwd   *pwd;
 382
 383 /* layout manager data */
 384 struct swm_geometry {
 385         int                     x;
 386         int                     y;
 387         int                     w;
 388         int                     h;
 389 };
 390
 391 struct swm_screen;
 392 struct workspace;
 393
 394 struct swm_bar {
 395         xcb_window_t            id;
 396         xcb_pixmap_t            buffer;
 397         struct swm_geometry     g;
 398 };
 399
 400 /* virtual "screens" */
 401 struct swm_region {
 402         TAILQ_ENTRY(swm_region) entry;
 403         struct swm_geometry     g;
 404         struct workspace        *ws;    /* current workspace on this region */
 405         struct workspace        *ws_prior; /* prior workspace on this region */
 406         struct swm_screen       *s;     /* screen idx */
 407         struct swm_bar          *bar;
 408 };
 409 TAILQ_HEAD(swm_region_list, swm_region);
 410
 411 struct ws_win {
 412         TAILQ_ENTRY(ws_win)     entry;
 413         xcb_window_t            id;
 414         xcb_window_t            transient;
 415         struct ws_win           *focus_child;   /* focus on child transient */
 416         struct swm_geometry     g;              /* current geometry */
 417         struct swm_geometry     g_float;        /* region coordinates */
 418         int                     g_floatvalid;   /* g_float geometry validity */
 419         int                     floatmaxed;     /* whether maxed by max_stack */
 420         int                     floating;
 421         int                     manual;
 422         int32_t                 mapped;
 423         int32_t                 iconic;
 424         int                     bordered;
 425         unsigned int            ewmh_flags;
 426         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 427         int                     font_steps;
 428         int                     last_inc;
 429         int                     can_delete;
 430         int                     take_focus;
 431         int                     java;
 432         unsigned long           quirks;
 433         struct workspace        *ws;    /* always valid */
 434         struct swm_screen       *s;     /* always valid, never changes */
 435         xcb_get_geometry_reply_t        *wa;
 436         xcb_size_hints_t        sh;
 437         xcb_icccm_get_wm_class_reply_t  ch;
 438         xcb_icccm_wm_hints_t    hints;
 439 };
 440 TAILQ_HEAD(ws_win_list, ws_win);
 441
 442 /* pid goo */
 443 struct pid_e {
 444         TAILQ_ENTRY(pid_e)      entry;
 445         pid_t                   pid;
 446         int                     ws;
 447 };
 448 TAILQ_HEAD(pid_list, pid_e);
 449 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 450
 451 /* layout handlers */
 452 void    stack(void);
 453 void    vertical_config(struct workspace *, int);
 454 void    vertical_stack(struct workspace *, struct swm_geometry *);
 455 void    horizontal_config(struct workspace *, int);
 456 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 457 void    max_stack(struct workspace *, struct swm_geometry *);
 458 void    plain_stacker(struct workspace *);
 459 void    fancy_stacker(struct workspace *);
 460
 461 struct layout {
 462         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 463         void            (*l_config)(struct workspace *, int);
 464         u_int32_t       flags;
 465 #define SWM_L_FOCUSPREV         (1<<0)
 466 #define SWM_L_MAPONFOCUS        (1<<1)
 467         void            (*l_string)(struct workspace *);
 468 } layouts[] =  {
 469         /* stack,               configure */
 470         { vertical_stack,       vertical_config,        0,      plain_stacker },
 471         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 472         { max_stack,            NULL,
 473           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 474         { NULL,                 NULL,                   0,      NULL  },
 475 };
 476
 477 /* position of max_stack mode in the layouts array, index into layouts! */
 478 #define SWM_V_STACK             (0)
 479 #define SWM_H_STACK             (1)
 480 #define SWM_MAX_STACK           (2)
 481
 482 #define SWM_H_SLICE             (32)
 483 #define SWM_V_SLICE             (32)
 484
 485 /* define work spaces */
 486 struct workspace {
 487         int                     idx;            /* workspace index */
 488         char                    *name;          /* workspace name */
 489         int                     always_raise;   /* raise windows on focus */
 490         struct layout           *cur_layout;    /* current layout handlers */
 491         struct ws_win           *focus;         /* may be NULL */
 492         struct ws_win           *focus_prev;    /* may be NULL */
 493         struct ws_win           *focus_pending; /* may be NULL */
 494         struct swm_region       *r;             /* may be NULL */
 495         struct swm_region       *old_r;         /* may be NULL */
 496         struct ws_win_list      winlist;        /* list of windows in ws */
 497         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 498         char                    stacker[10];    /* display stacker and layout */
 499
 500         /* stacker state */
 501         struct {
 502                                 int horizontal_msize;
 503                                 int horizontal_mwin;
 504                                 int horizontal_stacks;
 505                                 int horizontal_flip;
 506                                 int vertical_msize;
 507                                 int vertical_mwin;
 508                                 int vertical_stacks;
 509                                 int vertical_flip;
 510         } l_state;
 511 };
 512
 513 enum {
 514         SWM_S_COLOR_BAR,
 515         SWM_S_COLOR_BAR_BORDER,
 516         SWM_S_COLOR_BAR_FONT,
 517         SWM_S_COLOR_FOCUS,
 518         SWM_S_COLOR_UNFOCUS,
 519         SWM_S_COLOR_MAX
 520 };
 521
 522 /* physical screen mapping */
 523 #define SWM_WS_MAX              (22)    /* hard limit */
 524 int             workspace_limit = 10;   /* soft limit */
 525
 526 struct swm_screen {
 527         int                     idx;    /* screen index */
 528         struct swm_region_list  rl;     /* list of regions on this screen */
 529         struct swm_region_list  orl;    /* list of old regions */
 530         xcb_window_t            root;
 531         struct workspace        ws[SWM_WS_MAX];
 532
 533         /* colors */
 534         struct {
 535                 uint32_t        pixel;
 536                 char            *name;
 537         } c[SWM_S_COLOR_MAX];
 538
 539         xcb_gcontext_t          bar_gc;
 540         GC                      bar_gc_legacy;
 541 };
 542 struct swm_screen       *screens;
 543
 544 /* args to functions */
 545 union arg {
 546         int                     id;
 547 #define SWM_ARG_ID_FOCUSNEXT    (0)
 548 #define SWM_ARG_ID_FOCUSPREV    (1)
 549 #define SWM_ARG_ID_FOCUSMAIN    (2)
 550 #define SWM_ARG_ID_SWAPNEXT     (10)
 551 #define SWM_ARG_ID_SWAPPREV     (11)
 552 #define SWM_ARG_ID_SWAPMAIN     (12)
 553 #define SWM_ARG_ID_MOVELAST     (13)
 554 #define SWM_ARG_ID_MASTERSHRINK (20)
 555 #define SWM_ARG_ID_MASTERGROW   (21)
 556 #define SWM_ARG_ID_MASTERADD    (22)
 557 #define SWM_ARG_ID_MASTERDEL    (23)
 558 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 559 #define SWM_ARG_ID_STACKRESET   (30)
 560 #define SWM_ARG_ID_STACKINIT    (31)
 561 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 562 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 563 #define SWM_ARG_ID_CYCLESC_UP   (42)
 564 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 565 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 566 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 567 #define SWM_ARG_ID_STACKINC     (50)
 568 #define SWM_ARG_ID_STACKDEC     (51)
 569 #define SWM_ARG_ID_SS_ALL       (60)
 570 #define SWM_ARG_ID_SS_WINDOW    (61)
 571 #define SWM_ARG_ID_DONTCENTER   (70)
 572 #define SWM_ARG_ID_CENTER       (71)
 573 #define SWM_ARG_ID_KILLWINDOW   (80)
 574 #define SWM_ARG_ID_DELETEWINDOW (81)
 575 #define SWM_ARG_ID_WIDTHGROW    (90)
 576 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 577 #define SWM_ARG_ID_HEIGHTGROW   (92)
 578 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 579 #define SWM_ARG_ID_MOVEUP       (100)
 580 #define SWM_ARG_ID_MOVEDOWN     (101)
 581 #define SWM_ARG_ID_MOVELEFT     (102)
 582 #define SWM_ARG_ID_MOVERIGHT    (103)
 583         char                    **argv;
 584 };
 585
 586 /* quirks */
 587 struct quirk {
 588         TAILQ_ENTRY(quirk)      entry;
 589         char                    *class;
 590         char                    *name;
 591         unsigned long           quirk;
 592 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 593 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 594 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 595 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 596 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 597 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 598 };
 599 TAILQ_HEAD(quirk_list, quirk);
 600 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 601
 602 /*
 603  * Supported EWMH hints should be added to
 604  * both the enum and the ewmh array
 605  */
 606 enum {
 607         _NET_ACTIVE_WINDOW,
 608         _NET_CLOSE_WINDOW,
 609         _NET_MOVERESIZE_WINDOW,
 610         _NET_WM_ACTION_ABOVE,
 611         _NET_WM_ACTION_CLOSE,
 612         _NET_WM_ACTION_FULLSCREEN,
 613         _NET_WM_ACTION_MOVE,
 614         _NET_WM_ACTION_RESIZE,
 615         _NET_WM_ALLOWED_ACTIONS,
 616         _NET_WM_NAME,
 617         _NET_WM_STATE,
 618         _NET_WM_STATE_ABOVE,
 619         _NET_WM_STATE_FULLSCREEN,
 620         _NET_WM_STATE_HIDDEN,
 621         _NET_WM_STATE_MAXIMIZED_HORZ,
 622         _NET_WM_STATE_MAXIMIZED_VERT,
 623         _NET_WM_STATE_SKIP_PAGER,
 624         _NET_WM_STATE_SKIP_TASKBAR,
 625         _NET_WM_WINDOW_TYPE,
 626         _NET_WM_WINDOW_TYPE_DIALOG,
 627         _NET_WM_WINDOW_TYPE_DOCK,
 628         _NET_WM_WINDOW_TYPE_NORMAL,
 629         _NET_WM_WINDOW_TYPE_SPLASH,
 630         _NET_WM_WINDOW_TYPE_TOOLBAR,
 631         _NET_WM_WINDOW_TYPE_UTILITY,
 632         _SWM_WM_STATE_MANUAL,
 633         SWM_EWMH_HINT_MAX
 634 };
 635
 636 struct ewmh_hint {
 637         char            *name;
 638         xcb_atom_t      atom;
 639 } ewmh[SWM_EWMH_HINT_MAX] =     {
 640     /* must be in same order as in the enum */
 641     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 642     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 643     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 644     {"_NET_WM_ACTION_ABOVE", XCB_ATOM_NONE},
 645     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 646     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 647     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 648     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 649     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 650     {"_NET_WM_NAME", XCB_ATOM_NONE},
 651     {"_NET_WM_STATE", XCB_ATOM_NONE},
 652     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 653     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 654     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 655     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 656     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 657     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 658     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 659     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 660     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 661     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 662     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 663     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 664     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 665     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 666     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 667 };
 668
 669 /* function prototypes */
 670 void     buttonpress(xcb_button_press_event_t *);
 671 void     check_conn(void);
 672 void     clientmessage(xcb_client_message_event_t *);
 673 int      conf_load(char *, int);
 674 void     configurenotify(xcb_configure_notify_event_t *);
 675 void     configurerequest(xcb_configure_request_event_t *);
 676 void     constrain_window(struct ws_win *, struct swm_region *, int);
 677 void     destroynotify(xcb_destroy_notify_event_t *);
 678 void     enternotify(xcb_enter_notify_event_t *);
 679 void     event_drain(uint8_t);
 680 void     event_error(xcb_generic_error_t *);
 681 void     event_handle(xcb_generic_event_t *);
 682 char    *expand_tilde(char *);
 683 void     expose(xcb_expose_event_t *);
 684 struct ws_win   *find_window(xcb_window_t);
 685 int      floating_toggle_win(struct ws_win *);
 686 void     focus(struct swm_region *, union arg *);
 687 void     focus_flush(void);
 688 struct ws_win   *get_focus_magic(struct ws_win *);
 689 struct ws_win   *get_focus_prev(struct ws_win *);
 690 void     focus_win(struct ws_win *);
 691 #ifdef SWM_DEBUG
 692 void     focusin(xcb_focus_in_event_t *);
 693 #endif
 694 xcb_atom_t get_atom_from_string(const char *);
 695 #ifdef SWM_DEBUG
 696 char    *get_atom_name(xcb_atom_t);
 697 char    *get_notify_detail_label(uint8_t);
 698 char    *get_notify_mode_label(uint8_t);
 699 #endif
 700 struct ws_win   *get_region_focus(struct swm_region *);
 701 xcb_screen_t    *get_screen(int);
 702 char    *get_win_name(xcb_window_t);
 703 uint32_t getstate(xcb_window_t);
 704 void     grabbuttons(struct ws_win *);
 705 void     keypress(xcb_key_press_event_t *);
 706 #ifdef SWM_DEBUG
 707 void     leavenotify(xcb_leave_notify_event_t *);
 708 #endif
 709 void     load_float_geom(struct ws_win *, struct swm_region *);
 710 struct ws_win   *manage_window(xcb_window_t, uint16_t);
 711 void     map_window(struct ws_win *);
 712 void     mapnotify(xcb_map_notify_event_t *);
 713 void     mappingnotify(xcb_mapping_notify_event_t *);
 714 void     maprequest(xcb_map_request_event_t *);
 715 void     new_region(struct swm_screen *, int, int, int, int);
 716 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 717 void     propertynotify(xcb_property_notify_event_t *);
 718 void     spawn_select(struct swm_region *, union arg *, char *, int *);
 719 void     screenchange(xcb_randr_screen_change_notify_event_t *);
 720 void     shutdown_cleanup(void);
 721 void     store_float_geom(struct ws_win *, struct swm_region *);
 722 void     unmanage_window(struct ws_win *);
 723 void     unmapnotify(xcb_unmap_notify_event_t *);
 724 void     unfocus_win(struct ws_win *);
 725 void     update_window(struct ws_win *);
 726 /*void   visibilitynotify(xcb_visibility_notify_event_t *);*/
 727
 728 char *
 729 expand_tilde(char *s)
 730 {
 731         struct passwd           *ppwd;
 732         int                     i, max;
 733         char                    *user;
 734         const char              *sc = s;
 735         char                    *result;
 736
 737         if (s == NULL)
 738                 errx(1, "expand_tilde: NULL string.");
 739
 740         if (s[0] != '~') {
 741                 result = strdup(sc);
 742                 goto out;
 743         }
 744
 745         ++s;
 746
 747         if ((max = sysconf(_SC_LOGIN_NAME_MAX)) == -1)
 748                 errx(1, "expand_tilde: sysconf");
 749
 750         if ((user = calloc(1, max + 1)) == NULL)
 751                 errx(1, "expand_tilde: calloc");
 752
 753         for (i = 0; s[i] != '/' && s[i] != '\0'; ++i)
 754                 user[i] = s[i];
 755         user[i] = '\0';
 756         s = &s[i];
 757
 758         ppwd = strlen(user) == 0 ? getpwuid(getuid()) : getpwnam(user);
 759         if (ppwd == NULL)
 760                 result = strdup(sc);
 761         else
 762                 if (asprintf(&result, "%s%s", ppwd->pw_dir, s) == -1)
 763                         result = NULL;
 764 out:
 765         if (result == NULL)
 766                 errx(1, "expand_tilde: failed to allocate memory.");
 767
 768         return result;
 769 }
 770
 771 int
 772 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
 773 {
 774         unsigned int    tmpr, tmpg, tmpb;
 775
 776         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
 777                 return (-1);
 778
 779         *rr = RGB_8_TO_16(tmpr);
 780         *gg = RGB_8_TO_16(tmpg);
 781         *bb = RGB_8_TO_16(tmpb);
 782
 783         return (0);
 784 }
 785
 786 xcb_screen_t *
 787 get_screen(int screen)
 788 {
 789         const xcb_setup_t       *r;
 790         xcb_screen_iterator_t   iter;
 791
 792         if ((r = xcb_get_setup(conn)) == NULL) {
 793                 DNPRINTF(SWM_D_MISC, "get_screen: xcb_get_setup\n");
 794                 check_conn();
 795         }
 796
 797         iter = xcb_setup_roots_iterator(r);
 798         for (; iter.rem; --screen, xcb_screen_next(&iter))
 799                 if (screen == 0)
 800                         return (iter.data);
 801
 802         return (NULL);
 803 }
 804
 805 void
 806 focus_flush(void)
 807 {
 808         if (focus_mode == SWM_FOCUS_DEFAULT)
 809                 event_drain(XCB_ENTER_NOTIFY);
 810         else
 811                 xcb_flush(conn);
 812 }
 813
 814 xcb_atom_t
 815 get_atom_from_string(const char *str)
 816 {
 817         xcb_intern_atom_cookie_t        c;
 818         xcb_intern_atom_reply_t         *r;
 819         xcb_atom_t                      atom;
 820
 821         c = xcb_intern_atom(conn, 0, strlen(str), str);
 822         r = xcb_intern_atom_reply(conn, c, NULL);
 823         if (r) {
 824                 atom = r->atom;
 825                 free(r);
 826
 827                 return (atom);
 828         }
 829
 830         return (XCB_ATOM_NONE);
 831 }
 832
 833 void
 834 set_swm_iconic(struct ws_win *win, int newv)
 835 {
 836         int32_t                         v = newv;
 837
 838         win->iconic = newv;
 839
 840         if (newv)
 841                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 842                     a_swm_iconic, XCB_ATOM_INTEGER, 32, 1, &v);
 843         else
 844                 xcb_delete_property(conn, win->id, a_swm_iconic);
 845 }
 846
 847 int32_t
 848 get_swm_iconic(struct ws_win *win)
 849 {
 850         int32_t                         v = 0;
 851         xcb_get_property_reply_t        *pr = NULL;
 852
 853         pr = xcb_get_property_reply(conn,
 854             xcb_get_property(conn, 0, win->id, a_swm_iconic,
 855             XCB_ATOM_INTEGER, 0, 1), NULL);
 856         if (!pr)
 857                 goto out;
 858         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 859                 goto out;
 860         v = *((int32_t *)xcb_get_property_value(pr));
 861 out:
 862         if (pr)
 863                 free(pr);
 864         return (v);
 865 }
 866
 867 void
 868 setup_ewmh(void)
 869 {
 870         xcb_atom_t                      sup_list;
 871         int                             i, j, num_screens;
 872
 873         sup_list = get_atom_from_string("_NET_SUPPORTED");
 874
 875         for (i = 0; i < LENGTH(ewmh); i++)
 876                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 877
 878         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 879         for (i = 0; i < num_screens; i++) {
 880                 /* Support check window will be created by workaround(). */
 881
 882                 /* Report supported atoms */
 883                 xcb_delete_property(conn, screens[i].root, sup_list);
 884                 for (j = 0; j < LENGTH(ewmh); j++)
 885                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 886                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 887                             &ewmh[j].atom);
 888         }
 889 }
 890
 891 void
 892 teardown_ewmh(void)
 893 {
 894         int                             i, num_screens;
 895         xcb_atom_t                      sup_check, sup_list;
 896         xcb_window_t                    id;
 897         xcb_get_property_cookie_t       pc;
 898         xcb_get_property_reply_t        *pr;
 899
 900         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 901         sup_list = get_atom_from_string("_NET_SUPPORTED");
 902         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 903
 904         for (i = 0; i < num_screens; i++) {
 905                 /* Get the support check window and destroy it */
 906                 pc = xcb_get_property(conn, 0, screens[i].root, sup_check,
 907                     XCB_ATOM_WINDOW, 0, 1);
 908                 pr = xcb_get_property_reply(conn, pc, NULL);
 909                 if (!pr)
 910                         continue;
 911                 if (pr->format == sup_check) {
 912                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 913
 914                         xcb_destroy_window(conn, id);
 915                         xcb_delete_property(conn, screens[i].root, sup_check);
 916                         xcb_delete_property(conn, screens[i].root, sup_list);
 917                 }
 918                 free(pr);
 919         }
 920 }
 921
 922 void
 923 ewmh_autoquirk(struct ws_win *win)
 924 {
 925         uint32_t                i, n;
 926         xcb_atom_t              *type;
 927         xcb_get_property_cookie_t       c;
 928         xcb_get_property_reply_t        *r;
 929
 930         c = xcb_get_property(conn, 0, win->id,
 931             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
 932         r = xcb_get_property_reply(conn, c, NULL);
 933         if (!r)
 934                 return;
 935
 936         n = xcb_get_property_value_length(r);
 937         type = xcb_get_property_value(r);
 938
 939         for (i = 0; i < n; i++) {
 940                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 941                         break;
 942                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 943                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 944                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 945                         win->floating = 1;
 946                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 947                         break;
 948                 }
 949                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 950                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 951                         win->floating = 1;
 952                         win->quirks = SWM_Q_FLOAT;
 953                         break;
 954                 }
 955         }
 956         free(r);
 957 }
 958
 959 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 960 #define EWMH_F_FULLSCREEN               (1<<0)
 961 #define EWMH_F_ABOVE                    (1<<1)
 962 #define EWMH_F_HIDDEN                   (1<<2)
 963 #define EWMH_F_SKIP_PAGER               (1<<3)
 964 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 965 #define SWM_F_MANUAL                    (1<<5)
 966
 967 int
 968 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 969 {
 970         if (!win->ws->r)
 971                 return (0);
 972
 973         if (!win->floating)
 974                 return (0);
 975
 976         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
 977             "fullscreen %s\n", win->id, YESNO(fs));
 978
 979         if (fs) {
 980                 if (!win->g_floatvalid)
 981                         store_float_geom(win, win->ws->r);
 982
 983                 win->g = win->ws->r->g;
 984                 win->bordered = 0;
 985         } else {
 986                 load_float_geom(win, win->ws->r);
 987         }
 988
 989         return (1);
 990 }
 991
 992 void
 993 ewmh_update_actions(struct ws_win *win)
 994 {
 995         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 996         int                     n = 0;
 997
 998         if (win == NULL)
 999                 return;
1000
1001         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
1002
1003         if (win->floating) {
1004                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
1005                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
1006                 actions[n++] = ewmh[_NET_WM_ACTION_ABOVE].atom;
1007         }
1008
1009         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1010             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
1011 }
1012
1013 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
1014 #define _NET_WM_STATE_ADD       1    /* add/set property */
1015 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
1016
1017 void
1018 ewmh_update_win_state(struct ws_win *win, xcb_atom_t state, long action)
1019 {
1020         unsigned int            mask = 0;
1021         unsigned int            changed = 0;
1022         unsigned int            orig_flags;
1023
1024         if (win == NULL)
1025                 return;
1026
1027         DNPRINTF(SWM_D_PROP, "ewmh_update_win_state: window: 0x%x, state: %ld, "
1028             "action: %ld\n", win->id, (unsigned long)state, action);
1029
1030         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1031                 mask = EWMH_F_FULLSCREEN;
1032         else if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
1033                 mask = EWMH_F_ABOVE;
1034         else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1035                 mask = SWM_F_MANUAL;
1036         else if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
1037                 mask = EWMH_F_SKIP_PAGER;
1038         else if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
1039                 mask = EWMH_F_SKIP_TASKBAR;
1040
1041         orig_flags = win->ewmh_flags;
1042
1043         switch (action) {
1044         case _NET_WM_STATE_REMOVE:
1045                 win->ewmh_flags &= ~mask;
1046                 break;
1047         case _NET_WM_STATE_ADD:
1048                 win->ewmh_flags |= mask;
1049                 break;
1050         case _NET_WM_STATE_TOGGLE:
1051                 win->ewmh_flags ^= mask;
1052                 break;
1053         }
1054
1055         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
1056
1057         if (state == ewmh[_NET_WM_STATE_ABOVE].atom) {
1058                 if (changed && !floating_toggle_win(win))
1059                                 win->ewmh_flags = orig_flags; /* revert */
1060         } else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom) {
1061                 if (changed)
1062                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
1063         } else if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom) {
1064                 if (changed && !ewmh_set_win_fullscreen(win,
1065                             win->ewmh_flags & EWMH_F_FULLSCREEN))
1066                                 win->ewmh_flags = orig_flags; /* revert */
1067         }
1068
1069         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
1070
1071         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
1072                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1073                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1074                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
1075         else if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1076                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1077                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1078                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1079         else if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1080                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1081                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1082                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1083         else if (win->ewmh_flags & EWMH_F_ABOVE)
1084                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1085                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1086                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1087         else if (win->ewmh_flags & SWM_F_MANUAL)
1088                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1089                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1090                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1091 }
1092
1093 void
1094 ewmh_get_win_state(struct ws_win *win)
1095 {
1096         xcb_atom_t                      *states;
1097         xcb_get_property_cookie_t       c;
1098         xcb_get_property_reply_t        *r;
1099         int                             i, n;
1100
1101         if (win == NULL)
1102                 return;
1103
1104         win->ewmh_flags = 0;
1105         if (win->floating)
1106                 win->ewmh_flags |= EWMH_F_ABOVE;
1107         if (win->manual)
1108                 win->ewmh_flags |= SWM_F_MANUAL;
1109
1110         c = xcb_get_property(conn, 0, win->id, ewmh[_NET_WM_STATE].atom,
1111             XCB_ATOM_ATOM, 0, UINT32_MAX);
1112         r = xcb_get_property_reply(conn, c, NULL);
1113         if (!r)
1114                 return;
1115
1116         states = xcb_get_property_value(r);
1117         n = xcb_get_property_value_length(r);
1118
1119         for (i = 0; i < n; i++)
1120                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1121
1122         free(r);
1123 }
1124
1125 /* events */
1126 #ifdef SWM_DEBUG
1127 void
1128 dumpwins(struct swm_region *r, union arg *args)
1129 {
1130         struct ws_win                           *win;
1131         uint32_t                                state;
1132         xcb_get_window_attributes_cookie_t      c;
1133         xcb_get_window_attributes_reply_t       *wa;
1134
1135         /* suppress unused warning since var is needed */
1136         (void)args;
1137
1138         if (r->ws == NULL) {
1139                 warnx("dumpwins: invalid workspace");
1140                 return;
1141         }
1142
1143         warnx("=== managed window list ws %02d ===", r->ws->idx);
1144         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1145                 state = getstate(win->id);
1146                 c = xcb_get_window_attributes(conn, win->id);
1147                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1148                 if (wa) {
1149                         warnx("window: 0x%x, map_state: %d, state: %u, "
1150                             "transient: 0x%x", win->id, wa->map_state,
1151                             state, win->transient);
1152                         free(wa);
1153                 } else
1154                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1155                             win->id);
1156         }
1157
1158         warnx("===== unmanaged window list =====");
1159         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1160                 state = getstate(win->id);
1161                 c = xcb_get_window_attributes(conn, win->id);
1162                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1163                 if (wa) {
1164                         warnx("window: 0x%x, map_state: %d, state: %u, "
1165                             "transient: 0x%x", win->id, wa->map_state,
1166                             state, win->transient);
1167                         free(wa);
1168                 } else
1169                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1170                             win->id);
1171         }
1172
1173         warnx("=================================");
1174 }
1175 #else
1176 void
1177 dumpwins(struct swm_region *r, union arg *s)
1178 {
1179         (void)r;
1180         (void)s;
1181 }
1182 #endif /* SWM_DEBUG */
1183
1184 void
1185 sighdlr(int sig)
1186 {
1187         int                     saved_errno, status;
1188         pid_t                   pid;
1189
1190         saved_errno = errno;
1191
1192         switch (sig) {
1193         case SIGCHLD:
1194                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1195                         if (pid == -1) {
1196                                 if (errno == EINTR)
1197                                         continue;
1198 #ifdef SWM_DEBUG
1199                                 if (errno != ECHILD)
1200                                         warn("sighdlr: waitpid");
1201 #endif /* SWM_DEBUG */
1202                                 break;
1203                         }
1204                         if (pid == searchpid)
1205                                 search_resp = 1;
1206
1207 #ifdef SWM_DEBUG
1208                         if (WIFEXITED(status)) {
1209                                 if (WEXITSTATUS(status) != 0)
1210                                         warnx("sighdlr: child exit status: %d",
1211                                             WEXITSTATUS(status));
1212                         } else
1213                                 warnx("sighdlr: child is terminated "
1214                                     "abnormally");
1215 #endif /* SWM_DEBUG */
1216                 }
1217                 break;
1218
1219         case SIGHUP:
1220                 restart_wm = 1;
1221                 break;
1222         case SIGINT:
1223         case SIGTERM:
1224         case SIGQUIT:
1225                 running = 0;
1226                 break;
1227         }
1228
1229         errno = saved_errno;
1230 }
1231
1232 struct pid_e *
1233 find_pid(pid_t pid)
1234 {
1235         struct pid_e            *p = NULL;
1236
1237         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1238
1239         if (pid == 0)
1240                 return (NULL);
1241
1242         TAILQ_FOREACH(p, &pidlist, entry) {
1243                 if (p->pid == pid)
1244                         return (p);
1245         }
1246
1247         return (NULL);
1248 }
1249
1250 uint32_t
1251 name_to_pixel(const char *colorname)
1252 {
1253         uint32_t                        result = 0;
1254         char                            cname[32] = "#";
1255         xcb_screen_t                    *screen;
1256         xcb_colormap_t                  cmap;
1257         xcb_alloc_color_reply_t         *cr;
1258         xcb_alloc_named_color_reply_t   *nr;
1259         uint16_t                        rr, gg, bb;
1260
1261         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1262         cmap = screen->default_colormap;
1263
1264         /* color is in format rgb://rr/gg/bb */
1265         if (strncmp(colorname, "rgb:", 4) == 0) {
1266                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1267                         warnx("could not parse rgb %s", colorname);
1268                 else {
1269                         cr = xcb_alloc_color_reply(conn,
1270                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1271                             NULL);
1272                         if (cr) {
1273                                 result = cr->pixel;
1274                                 free(cr);
1275                         } else
1276                                 warnx("color '%s' not found", colorname);
1277                 }
1278         } else {
1279                 nr = xcb_alloc_named_color_reply(conn,
1280                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1281                             colorname), NULL);
1282                 if (!nr) {
1283                         strlcat(cname, colorname + 2, sizeof cname - 1);
1284                         nr = xcb_alloc_named_color_reply(conn,
1285                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1286                             cname), NULL);
1287                 }
1288                 if (nr) {
1289                         result = nr->pixel;
1290                         free(nr);
1291                 } else
1292                         warnx("color '%s' not found", colorname);
1293         }
1294
1295         return (result);
1296 }
1297
1298 void
1299 setscreencolor(char *val, int i, int c)
1300 {
1301         int     num_screens;
1302
1303         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1304         if (i > 0 && i <= num_screens) {
1305                 screens[i - 1].c[c].pixel = name_to_pixel(val);
1306                 free(screens[i - 1].c[c].name);
1307                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1308                         err(1, "strdup");
1309         } else if (i == -1) {
1310                 for (i = 0; i < num_screens; i++) {
1311                         screens[i].c[c].pixel = name_to_pixel(val);
1312                         free(screens[i].c[c].name);
1313                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1314                                 err(1, "strdup");
1315                 }
1316         } else
1317                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1318                     i, num_screens);
1319 }
1320
1321 void
1322 fancy_stacker(struct workspace *ws)
1323 {
1324         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1325         if (ws->cur_layout->l_stack == vertical_stack)
1326                 snprintf(ws->stacker, sizeof ws->stacker,
1327                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1328                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1329         if (ws->cur_layout->l_stack == horizontal_stack)
1330                 snprintf(ws->stacker, sizeof ws->stacker,
1331                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1332                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1333 }
1334
1335 void
1336 plain_stacker(struct workspace *ws)
1337 {
1338         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1339         if (ws->cur_layout->l_stack == vertical_stack)
1340                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1341                     sizeof ws->stacker);
1342         if (ws->cur_layout->l_stack == horizontal_stack)
1343                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1344                     sizeof ws->stacker);
1345 }
1346
1347 void
1348 custom_region(char *val)
1349 {
1350         unsigned int                    x, y, w, h;
1351         int                             sidx, num_screens;
1352         xcb_screen_t                    *screen;
1353
1354         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1355         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1356                 errx(1, "invalid custom region, "
1357                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1358         if (sidx < 1 || sidx > num_screens)
1359                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1360                     sidx, num_screens);
1361         sidx--;
1362
1363         if ((screen = get_screen(sidx)) == NULL)
1364                 errx(1, "ERROR: can't get screen %d.", sidx);
1365
1366         if (w < 1 || h < 1)
1367                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1368
1369         if (x > screen->width_in_pixels ||
1370             y > screen->height_in_pixels ||
1371             w + x > screen->width_in_pixels ||
1372             h + y > screen->height_in_pixels) {
1373                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1374                     "boundaries (%ux%u)", w, h, x, y,
1375                     screen->width_in_pixels, screen->height_in_pixels);
1376                 return;
1377         }
1378
1379         new_region(&screens[sidx], x, y, w, h);
1380 }
1381
1382 void
1383 socket_setnonblock(int fd)
1384 {
1385         int                     flags;
1386
1387         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1388                 err(1, "fcntl F_GETFL");
1389         flags |= O_NONBLOCK;
1390         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1391                 err(1, "fcntl F_SETFL");
1392 }
1393
1394 void
1395 bar_print_legacy(struct swm_region *r, const char *s)
1396 {
1397         xcb_rectangle_t         rect;
1398         uint32_t                gcv[1];
1399         XGCValues               gcvd;
1400         int                     x = 0;
1401         size_t                  len;
1402         XRectangle              ibox, lbox;
1403         GC                      draw;
1404
1405         len = strlen(s);
1406         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1407
1408         switch (bar_justify) {
1409         case SWM_BAR_JUSTIFY_LEFT:
1410                 x = SWM_BAR_OFFSET;
1411                 break;
1412         case SWM_BAR_JUSTIFY_CENTER:
1413                 x = (WIDTH(r) - lbox.width) / 2;
1414                 break;
1415         case SWM_BAR_JUSTIFY_RIGHT:
1416                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1417                 break;
1418         }
1419
1420         if (x < SWM_BAR_OFFSET)
1421                 x = SWM_BAR_OFFSET;
1422
1423         rect.x = 0;
1424         rect.y = 0;
1425         rect.width = WIDTH(r->bar);
1426         rect.height = HEIGHT(r->bar);
1427
1428         /* clear back buffer */
1429         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1430         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1431         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1432
1433         /* draw back buffer */
1434         gcvd.graphics_exposures = 0;
1435         draw = XCreateGC(display, r->bar->buffer, GCGraphicsExposures, &gcvd);
1436         XSetForeground(display, draw, r->s->c[SWM_S_COLOR_BAR_FONT].pixel);
1437         DRAWSTRING(display, r->bar->buffer, bar_fs, draw,
1438             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1439             lbox.y, s, len);
1440         XFreeGC(display, draw);
1441
1442         /* blt */
1443         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1444             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1445 }
1446
1447 void
1448 bar_print(struct swm_region *r, const char *s)
1449 {
1450         size_t                          len;
1451         xcb_rectangle_t                 rect;
1452         uint32_t                        gcv[1];
1453         int32_t                         x = 0;
1454         XGlyphInfo                      info;
1455         XftDraw                         *draw;
1456
1457         len = strlen(s);
1458
1459         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
1460
1461         switch (bar_justify) {
1462         case SWM_BAR_JUSTIFY_LEFT:
1463                 x = SWM_BAR_OFFSET;
1464                 break;
1465         case SWM_BAR_JUSTIFY_CENTER:
1466                 x = (WIDTH(r) - info.width) / 2;
1467                 break;
1468         case SWM_BAR_JUSTIFY_RIGHT:
1469                 x = WIDTH(r) - info.width - SWM_BAR_OFFSET;
1470                 break;
1471         }
1472
1473         if (x < SWM_BAR_OFFSET)
1474                 x = SWM_BAR_OFFSET;
1475
1476         rect.x = 0;
1477         rect.y = 0;
1478         rect.width = WIDTH(r->bar);
1479         rect.height = HEIGHT(r->bar);
1480
1481         /* clear back buffer */
1482         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1483         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1484         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1485
1486         /* draw back buffer */
1487         draw = XftDrawCreate(display, r->bar->buffer,
1488             DefaultVisual(display, r->s->idx),
1489             DefaultColormap(display, r->s->idx));
1490
1491         XftDrawStringUtf8(draw, &bar_font_color, bar_font, x,
1492             (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
1493             (FcChar8 *)s, len);
1494
1495         XftDrawDestroy(draw);
1496
1497         /* blt */
1498         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1499             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1500 }
1501
1502 void
1503 bar_extra_stop(void)
1504 {
1505         if (bar_pipe[0]) {
1506                 close(bar_pipe[0]);
1507                 bzero(bar_pipe, sizeof bar_pipe);
1508         }
1509         if (bar_pid) {
1510                 kill(bar_pid, SIGTERM);
1511                 bar_pid = 0;
1512         }
1513         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1514         bar_extra = 0;
1515 }
1516
1517 void
1518 bar_class_name(char *s, size_t sz, struct swm_region *r)
1519 {
1520         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1521                 return;
1522         if (r->ws->focus->ch.class_name != NULL)
1523                 strlcat(s, r->ws->focus->ch.class_name, sz);
1524 }
1525
1526 void
1527 bar_title_name(char *s, size_t sz, struct swm_region *r)
1528 {
1529         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1530                 return;
1531         if (r->ws->focus->ch.instance_name != NULL)
1532                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1533 }
1534
1535 void
1536 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1537 {
1538         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1539                 return;
1540
1541         bar_class_name(s, sz, r);
1542         strlcat(s, ":", sz);
1543         bar_title_name(s, sz, r);
1544 }
1545
1546 void
1547 bar_window_float(char *s, size_t sz, struct swm_region *r)
1548 {
1549         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1550                 return;
1551         if (r->ws->focus->floating)
1552                 strlcat(s, "(f)", sz);
1553 }
1554
1555 void
1556 bar_window_name(char *s, size_t sz, struct swm_region *r)
1557 {
1558         char            *title;
1559
1560         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1561                 return;
1562         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1563                 return;
1564
1565         strlcat(s, title, sz);
1566         free(title);
1567 }
1568
1569 int             urgent[SWM_WS_MAX];
1570 void
1571 bar_urgent(char *s, size_t sz)
1572 {
1573         struct ws_win           *win;
1574         int                     i, j, num_screens;
1575         char                    b[8];
1576         xcb_get_property_cookie_t       c;
1577         xcb_icccm_wm_hints_t    hints;
1578
1579         for (i = 0; i < workspace_limit; i++)
1580                 urgent[i] = 0;
1581
1582         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1583         for (i = 0; i < num_screens; i++)
1584                 for (j = 0; j < workspace_limit; j++)
1585                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1586                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1587                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1588                                     &hints, NULL) == 0)
1589                                         continue;
1590                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1591                                         urgent[j] = 1;
1592                         }
1593
1594         for (i = 0; i < workspace_limit; i++) {
1595                 if (urgent[i])
1596                         snprintf(b, sizeof b, "%d ", i + 1);
1597                 else
1598                         snprintf(b, sizeof b, "- ");
1599                 strlcat(s, b, sz);
1600         }
1601 }
1602
1603 void
1604 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1605 {
1606         if (r == NULL || r->ws == NULL)
1607                 return;
1608         if (r->ws->name != NULL)
1609                 strlcat(s, r->ws->name, sz);
1610 }
1611
1612 /* build the default bar format according to the defined enabled options */
1613 void
1614 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1615 {
1616         /* if format provided, just copy the buffers */
1617         if (bar_format != NULL) {
1618                 strlcpy(fmtnew, fmtexp, sz);
1619                 return;
1620         }
1621
1622         /* reset the output buffer */
1623         *fmtnew = '\0';
1624
1625         strlcat(fmtnew, "+N:+I ", sz);
1626         if (stack_enabled)
1627                 strlcat(fmtnew, "+S", sz);
1628         strlcat(fmtnew, " ", sz);
1629
1630         /* only show the workspace name if there's actually one */
1631         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1632                 strlcat(fmtnew, "<+D>", sz);
1633         strlcat(fmtnew, "+3<", sz);
1634
1635         if (clock_enabled) {
1636                 strlcat(fmtnew, fmtexp, sz);
1637                 strlcat(fmtnew, "+4<", sz);
1638         }
1639
1640         /* bar_urgent already adds the space before the last asterisk */
1641         if (urgent_enabled)
1642                 strlcat(fmtnew, "* +U*+4<", sz);
1643
1644         if (title_class_enabled) {
1645                 strlcat(fmtnew, "+C", sz);
1646                 if (title_name_enabled == 0)
1647                         strlcat(fmtnew, "+4<", sz);
1648         }
1649
1650         /* checks needed by the colon and floating strlcat(3) calls below */
1651         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1652                 if (title_name_enabled) {
1653                         if (title_class_enabled)
1654                                 strlcat(fmtnew, ":", sz);
1655                         strlcat(fmtnew, "+T+4<", sz);
1656                 }
1657                 if (window_name_enabled) {
1658                         if (r->ws->focus->floating)
1659                                 strlcat(fmtnew, "+F ", sz);
1660                         strlcat(fmtnew, "+64W ", sz);
1661                 }
1662         }
1663
1664         /* finally add the action script output and the version */
1665         strlcat(fmtnew, "+4<+A+4<+V", sz);
1666 }
1667
1668 void
1669 bar_replace_pad(char *tmp, int *limit, size_t sz)
1670 {
1671         /* special case; no limit given, pad one space, instead */
1672         if (*limit == (int)sz - 1)
1673                 *limit = 1;
1674         snprintf(tmp, sz, "%*s", *limit, " ");
1675 }
1676
1677 /* replaces the bar format character sequences (like in tmux(1)) */
1678 char *
1679 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1680     size_t sz)
1681 {
1682         char                    *ptr;
1683         char                    tmp[SWM_BAR_MAX];
1684         int                     limit, size;
1685         size_t                  len;
1686
1687         /* reset strlcat(3) buffer */
1688         *tmp = '\0';
1689
1690         /* get number, if any */
1691         fmt++;
1692         size = 0;
1693         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1694                 limit = sizeof tmp - 1;
1695         if (limit <= 0 || limit >= (int)sizeof tmp)
1696                 limit = sizeof tmp - 1;
1697
1698         /* there is nothing to replace (ie EOL) */
1699         fmt += size;
1700         if (*fmt == '\0')
1701                 return (fmt);
1702
1703         switch (*fmt) {
1704         case '<':
1705                 bar_replace_pad(tmp, &limit, sizeof tmp);
1706                 break;
1707         case 'A':
1708                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1709                 break;
1710         case 'C':
1711                 bar_class_name(tmp, sizeof tmp, r);
1712                 break;
1713         case 'D':
1714                 bar_workspace_name(tmp, sizeof tmp, r);
1715                 break;
1716         case 'F':
1717                 bar_window_float(tmp, sizeof tmp, r);
1718                 break;
1719         case 'I':
1720                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1721                 break;
1722         case 'N':
1723                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1724                 break;
1725         case 'P':
1726                 bar_class_title_name(tmp, sizeof tmp, r);
1727                 break;
1728         case 'S':
1729                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1730                 break;
1731         case 'T':
1732                 bar_title_name(tmp, sizeof tmp, r);
1733                 break;
1734         case 'U':
1735                 bar_urgent(tmp, sizeof tmp);
1736                 break;
1737         case 'V':
1738                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1739                 break;
1740         case 'W':
1741                 bar_window_name(tmp, sizeof tmp, r);
1742                 break;
1743         default:
1744                 /* unknown character sequence; copy as-is */
1745                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1746                 break;
1747         }
1748
1749         len = strlen(tmp);
1750         ptr = tmp;
1751         if ((int)len < limit)
1752                 limit = len;
1753         while (limit-- > 0) {
1754                 if (*offrep >= sz - 1)
1755                         break;
1756                 fmtrep[(*offrep)++] = *ptr++;
1757         }
1758
1759         fmt++;
1760         return (fmt);
1761 }
1762
1763 void
1764 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1765 {
1766         size_t                  off;
1767
1768         off = 0;
1769         while (*fmt != '\0') {
1770                 if (*fmt != '+') {
1771                         /* skip ordinary characters */
1772                         if (off >= sz - 1)
1773                                 break;
1774                         fmtrep[off++] = *fmt++;
1775                         continue;
1776                 }
1777
1778                 /* character sequence found; replace it */
1779                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1780                 if (off >= sz - 1)
1781                         break;
1782         }
1783
1784         fmtrep[off] = '\0';
1785 }
1786
1787 void
1788 bar_fmt_expand(char *fmtexp, size_t sz)
1789 {
1790         char                    *fmt = NULL;
1791         size_t                  len;
1792         struct tm               tm;
1793         time_t                  tmt;
1794
1795         /* start by grabbing the current time and date */
1796         time(&tmt);
1797         localtime_r(&tmt, &tm);
1798
1799         /* figure out what to expand */
1800         if (bar_format != NULL)
1801                 fmt = bar_format;
1802         else if (bar_format == NULL && clock_enabled)
1803                 fmt = clock_format;
1804         /* if nothing to expand bail out */
1805         if (fmt == NULL) {
1806                 *fmtexp = '\0';
1807                 return;
1808         }
1809
1810         /* copy as-is, just in case the format shouldn't be expanded below */
1811         strlcpy(fmtexp, fmt, sz);
1812         /* finally pass the string through strftime(3) */
1813 #ifndef SWM_DENY_CLOCK_FORMAT
1814         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1815                 warnx("format too long");
1816         fmtexp[len] = '\0';
1817 #endif
1818 }
1819
1820 void
1821 bar_fmt_print(void)
1822 {
1823         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1824         char                    fmtrep[SWM_BAR_MAX];
1825         int                     i, num_screens;
1826         struct swm_region       *r;
1827
1828         /* expand the format by first passing it through strftime(3) */
1829         bar_fmt_expand(fmtexp, sizeof fmtexp);
1830
1831         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1832         for (i = 0; i < num_screens; i++) {
1833                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1834                         if (r->bar == NULL)
1835                                 continue;
1836                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1837                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1838                         if (bar_font_legacy)
1839                                 bar_print_legacy(r, fmtrep);
1840                         else
1841                                 bar_print(r, fmtrep);
1842                 }
1843         }
1844 }
1845
1846 void
1847 bar_update(void)
1848 {
1849         size_t                  len;
1850         char                    *b;
1851
1852         if (bar_enabled == 0)
1853                 return;
1854         if (bar_extra && bar_extra_running) {
1855                 /* ignore short reads; it'll correct itself */
1856                 while ((b = fgetln(stdin, &len)) != NULL)
1857                         if (b && b[len - 1] == '\n') {
1858                                 b[len - 1] = '\0';
1859                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1860                         }
1861                 if (b == NULL && errno != EAGAIN) {
1862                         warn("bar_update: bar_extra failed");
1863                         bar_extra_stop();
1864                 }
1865         } else
1866                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1867
1868         bar_fmt_print();
1869         alarm(bar_delay);
1870 }
1871
1872 void
1873 bar_signal(int sig)
1874 {
1875         /* suppress unused warning since var is needed */
1876         (void)sig;
1877
1878         bar_alarm = 1;
1879 }
1880
1881 void
1882 bar_toggle(struct swm_region *r, union arg *args)
1883 {
1884         struct swm_region       *tmpr;
1885         int                     i, num_screens;
1886
1887         /* suppress unused warnings since vars are needed */
1888         (void)r;
1889         (void)args;
1890
1891         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1892
1893         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1894         if (bar_enabled) {
1895                 for (i = 0; i < num_screens; i++)
1896                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1897                                 if (tmpr->bar)
1898                                         xcb_unmap_window(conn, tmpr->bar->id);
1899         } else {
1900                 for (i = 0; i < num_screens; i++)
1901                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1902                                 if (tmpr->bar)
1903                                         xcb_map_window(conn, tmpr->bar->id);
1904         }
1905
1906         bar_enabled = !bar_enabled;
1907
1908         stack();
1909
1910         /* must be after stack */
1911         bar_update();
1912
1913         focus_flush();
1914 }
1915
1916 void
1917 bar_refresh(void)
1918 {
1919         struct swm_region       *r;
1920         uint32_t                wa[2];
1921         int                     i, num_screens;
1922
1923         /* do this here because the conf file is in memory */
1924         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1925                 /* launch external status app */
1926                 bar_extra_running = 1;
1927                 if (pipe(bar_pipe) == -1)
1928                         err(1, "pipe error");
1929                 socket_setnonblock(bar_pipe[0]);
1930                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1931                 if (dup2(bar_pipe[0], 0) == -1)
1932                         err(1, "dup2");
1933                 if (dup2(bar_pipe[1], 1) == -1)
1934                         err(1, "dup2");
1935                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1936                         err(1, "could not disable SIGPIPE");
1937                 switch (bar_pid = fork()) {
1938                 case -1:
1939                         err(1, "cannot fork");
1940                         break;
1941                 case 0: /* child */
1942                         close(bar_pipe[0]);
1943                         execvp(bar_argv[0], bar_argv);
1944                         err(1, "%s external app failed", bar_argv[0]);
1945                         break;
1946                 default: /* parent */
1947                         close(bar_pipe[1]);
1948                         break;
1949                 }
1950         }
1951
1952         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1953         for (i = 0; i < num_screens; i++)
1954                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1955                         if (r->bar == NULL)
1956                                 continue;
1957                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].pixel;
1958                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].pixel;
1959                         xcb_change_window_attributes(conn, r->bar->id,
1960                             XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1961                 }
1962         bar_update();
1963 }
1964
1965 int
1966 isxlfd(char *s)
1967 {
1968         int      count = 0;
1969
1970         while ((s = index(s, '-'))) {
1971                 ++count;
1972                 ++s;
1973         }
1974
1975         return (count == 14);
1976 }
1977
1978 void
1979 fontset_init()
1980 {
1981         char                    *default_string;
1982         char                    **missing_charsets;
1983         int                     num_missing_charsets = 0;
1984         int                     i;
1985
1986         if (bar_fs) {
1987                 XFreeFontSet(display, bar_fs);
1988                 bar_fs = NULL;
1989         }
1990
1991         DNPRINTF(SWM_D_INIT, "fontset_init: loading bar_fonts: %s\n", bar_fonts);
1992
1993         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1994             &num_missing_charsets, &default_string);
1995
1996         if (num_missing_charsets > 0) {
1997                 warnx("Unable to load charset(s):");
1998
1999                 for (i = 0; i < num_missing_charsets; ++i)
2000                         warnx("%s", missing_charsets[i]);
2001
2002                 XFreeStringList(missing_charsets);
2003
2004                 if (strcmp(default_string, ""))
2005                         warnx("Glyphs from those sets will be replaced "
2006                             "by '%s'.", default_string);
2007                 else
2008                         warnx("Glyphs from those sets won't be drawn.");
2009         }
2010
2011         if (bar_fs == NULL)
2012                 errx(1, "Error creating font set structure.");
2013
2014         bar_fs_extents = XExtentsOfFontSet(bar_fs);
2015
2016         bar_height = bar_fs_extents->max_logical_extent.height +
2017             2 * bar_border_width;
2018
2019         if (bar_height < 1)
2020                 bar_height = 1;
2021 }
2022
2023 void
2024 xft_init(struct swm_region *r)
2025 {
2026         char                    *font, *d, *search;
2027         XRenderColor            color;
2028
2029         if (bar_font == NULL) {
2030                 if ((d = strdup(bar_fonts)) == NULL)
2031                         errx(1, "insufficient memory.");
2032                 search = d;
2033                 while ((font = strsep(&search, ",")) != NULL) {
2034                         if (*font == '\0')
2035                                 continue;
2036
2037                         DNPRINTF(SWM_D_INIT, "xft_init: try font %s\n", font);
2038
2039                         if (isxlfd(font)) {
2040                                 bar_font = XftFontOpenXlfd(display, r->s->idx,
2041                                                 font);
2042                         } else {
2043                                 bar_font = XftFontOpenName(display, r->s->idx,
2044                                                 font);
2045                         }
2046
2047                         if (!bar_font) {
2048                                 warnx("unable to load font %s", font);
2049                                 continue;
2050                         } else {
2051                                 DNPRINTF(SWM_D_INIT, "successfully opened "
2052                                     "font %s\n", font);
2053                                 break;
2054                         }
2055                 }
2056                 free(d);
2057         }
2058
2059         if (bar_font == NULL)
2060                 errx(1, "unable to open a font");
2061
2062         PIXEL_TO_XRENDERCOLOR(r->s->c[SWM_S_COLOR_BAR_FONT].pixel, color);
2063
2064         if (!XftColorAllocValue(display, DefaultVisual(display, r->s->idx),
2065             DefaultColormap(display, r->s->idx), &color, &bar_font_color))
2066                 warn("unable to allocate Xft color");
2067
2068         bar_height = bar_font->height + 2 * bar_border_width;
2069
2070         if (bar_height < 1)
2071                 bar_height = 1;
2072 }
2073
2074 void
2075 bar_setup(struct swm_region *r)
2076 {
2077         xcb_screen_t    *screen;
2078         uint32_t         wa[3];
2079
2080         DNPRINTF(SWM_D_BAR, "bar_setup: screen %d.\n",
2081             r->s->idx);
2082
2083         if ((screen = get_screen(r->s->idx)) == NULL)
2084                 errx(1, "ERROR: can't get screen %d.", r->s->idx);
2085
2086         if (r->bar != NULL)
2087                 return;
2088
2089         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
2090                 err(1, "bar_setup: calloc: failed to allocate memory.");
2091
2092         if (bar_font_legacy)
2093                 fontset_init();
2094         else
2095                 xft_init(r);
2096
2097         X(r->bar) = X(r);
2098         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
2099         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
2100         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
2101
2102         r->bar->id = xcb_generate_id(conn);
2103         wa[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
2104         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].pixel;
2105         wa[2] = XCB_EVENT_MASK_EXPOSURE;
2106
2107         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
2108             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
2109             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
2110             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
2111             | XCB_CW_EVENT_MASK, wa);
2112
2113         r->bar->buffer = xcb_generate_id(conn);
2114         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
2115             WIDTH(r->bar), HEIGHT(r->bar));
2116
2117         if (xrandr_support)
2118                 xcb_randr_select_input(conn, r->bar->id,
2119                     XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
2120
2121         if (bar_enabled)
2122                 xcb_map_window(conn, r->bar->id);
2123
2124         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
2125             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
2126             HEIGHT(r->bar));
2127
2128         if (signal(SIGALRM, bar_signal) == SIG_ERR)
2129                 err(1, "could not install bar_signal");
2130         bar_refresh();
2131 }
2132
2133 void
2134 bar_cleanup(struct swm_region *r)
2135 {
2136         if (r->bar == NULL)
2137                 return;
2138         xcb_destroy_window(conn, r->bar->id);
2139         xcb_free_pixmap(conn, r->bar->buffer);
2140         free(r->bar);
2141         r->bar = NULL;
2142 }
2143
2144 void
2145 set_win_state(struct ws_win *win, uint16_t state)
2146 {
2147         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2148
2149         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x, state: %u\n",
2150             win->id, state);
2151
2152         if (win == NULL)
2153                 return;
2154
2155         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
2156             a_state, 32, 2, data);
2157 }
2158
2159 uint32_t
2160 getstate(xcb_window_t w)
2161 {
2162         uint32_t                        result = 0;
2163         xcb_get_property_cookie_t       c;
2164         xcb_get_property_reply_t        *r;
2165
2166         c = xcb_get_property(conn, 0, w, a_state, a_state, 0L, 2L);
2167         r = xcb_get_property_reply(conn, c, NULL);
2168
2169         if (r) {
2170                 if (r->type == a_state && r->format == 32 && r->length == 2)
2171                         result = *((uint32_t *)xcb_get_property_value(r));
2172                 free(r);
2173         }
2174
2175         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
2176             result);
2177         return (result);
2178 }
2179
2180 void
2181 version(struct swm_region *r, union arg *args)
2182 {
2183         /* suppress unused warnings since vars are needed */
2184         (void)r;
2185         (void)args;
2186
2187         bar_version = !bar_version;
2188         if (bar_version)
2189                 snprintf(bar_vertext, sizeof bar_vertext,
2190                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2191         else
2192                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2193         bar_update();
2194
2195         xcb_flush(conn);
2196 }
2197
2198 void
2199 client_msg(struct ws_win *win, xcb_atom_t a, xcb_timestamp_t t)
2200 {
2201         xcb_client_message_event_t      ev;
2202 #ifdef SWM_DEBUG
2203         char                            *name;
2204 #endif
2205
2206         if (win == NULL)
2207                 return;
2208 #ifdef SWM_DEBUG
2209         name = get_atom_name(a);
2210         DNPRINTF(SWM_D_EVENT, "client_msg: window: 0x%x, atom: %s(%u), "
2211             "time: %#x\n",
2212             win->id, name, a, t);
2213         free(name);
2214 #endif
2215
2216         bzero(&ev, sizeof ev);
2217         ev.response_type = XCB_CLIENT_MESSAGE;
2218         ev.window = win->id;
2219         ev.type = a_prot;
2220         ev.format = 32;
2221         ev.data.data32[0] = a;
2222         ev.data.data32[1] = t;
2223
2224         xcb_send_event(conn, 0, win->id,
2225             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2226 }
2227
2228 /* synthetic response to a ConfigureRequest when not making a change */
2229 void
2230 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2231 {
2232         xcb_configure_notify_event_t ce;
2233
2234         if (win == NULL)
2235                 return;
2236
2237         /* send notification of unchanged state. */
2238         bzero(&ce, sizeof(ce));
2239         ce.response_type = XCB_CONFIGURE_NOTIFY;
2240         ce.x = X(win);
2241         ce.y = Y(win);
2242         ce.width = WIDTH(win);
2243         ce.height = HEIGHT(win);
2244         ce.override_redirect = 0;
2245
2246         if (ev == NULL) {
2247                 /* EWMH */
2248                 ce.event = win->id;
2249                 ce.window = win->id;
2250                 ce.border_width = BORDER(win);
2251                 ce.above_sibling = XCB_WINDOW_NONE;
2252         } else {
2253                 /* normal */
2254                 ce.event = ev->window;
2255                 ce.window = ev->window;
2256
2257                 /* make response appear more WM_SIZE_HINTS-compliant */
2258                 if (win->sh.flags) {
2259                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2260                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2261                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2262                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2263                             SH_INC_W(win), SH_INC_H(win));
2264                 }
2265
2266                 /* min size */
2267                 if (SH_MIN(win)) {
2268                         /* the hint may be set... to 0! */
2269                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2270                                 ce.width = SH_MIN_W(win);
2271                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2272                                 ce.height = SH_MIN_H(win);
2273                 }
2274
2275                 /* max size */
2276                 if (SH_MAX(win)) {
2277                         /* may also be advertized as 0 */
2278                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2279                                 ce.width = SH_MAX_W(win);
2280                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2281                                 ce.height = SH_MAX_H(win);
2282                 }
2283
2284                 /* resize increment. */
2285                 if (SH_INC(win)) {
2286                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2287                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2288                                     SH_INC_W(win);
2289                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2290                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2291                                     SH_INC_H(win);
2292                 }
2293
2294                 /* adjust x and y for requested border_width. */
2295                 ce.x += BORDER(win) - ev->border_width;
2296                 ce.y += BORDER(win) - ev->border_width;
2297                 ce.border_width = ev->border_width;
2298                 ce.above_sibling = ev->sibling;
2299         }
2300
2301         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2302             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2303             ce.y, ce.width, ce.height, ce.border_width);
2304
2305         xcb_send_event(conn, 0, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2306             (char *)&ce);
2307 }
2308
2309 int
2310 count_win(struct workspace *ws, int count_transient)
2311 {
2312         struct ws_win           *win;
2313         int                     count = 0;
2314
2315         TAILQ_FOREACH(win, &ws->winlist, entry) {
2316                 if (count_transient == 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         unfocus_win(old_ws->focus);
2852
2853         other_r = new_ws->r;
2854         if (other_r == NULL) {
2855                 /* the other workspace is hidden, hide this one */
2856                 old_ws->r = NULL;
2857                 unmap_old = 1;
2858         } else {
2859                 /* the other ws is visible in another region, exchange them */
2860                 other_r->ws_prior = new_ws;
2861                 other_r->ws = old_ws;
2862                 old_ws->r = other_r;
2863         }
2864         this_r->ws_prior = old_ws;
2865         this_r->ws = new_ws;
2866         new_ws->r = this_r;
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_pending = get_region_focus(new_ws->r);
2876
2877         if (new_ws->focus_pending) {
2878                 /* if workspaces were swapped, then don't wait to set focus */
2879                 if (old_ws->r)
2880                         focus_win(new_ws->focus_pending);
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         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3032             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3033
3034         cur_focus = r->ws->focus;
3035         if (cur_focus == NULL)
3036                 return;
3037
3038         source = cur_focus;
3039         wl = &source->ws->winlist;
3040
3041         switch (args->id) {
3042         case SWM_ARG_ID_SWAPPREV:
3043                 if (source->transient)
3044                         source = find_window(source->transient);
3045                 target = TAILQ_PREV(source, ws_win_list, entry);
3046                 if (target && target->transient)
3047                         target = find_window(target->transient);
3048                 TAILQ_REMOVE(wl, source, entry);
3049                 if (target == NULL)
3050                         TAILQ_INSERT_TAIL(wl, source, entry);
3051                 else
3052                         TAILQ_INSERT_BEFORE(target, source, entry);
3053                 break;
3054         case SWM_ARG_ID_SWAPNEXT:
3055                 target = TAILQ_NEXT(source, entry);
3056                 /* move the parent and let the sort handle the move */
3057                 if (source->transient)
3058                         source = find_window(source->transient);
3059                 TAILQ_REMOVE(wl, source, entry);
3060                 if (target == NULL)
3061                         TAILQ_INSERT_HEAD(wl, source, entry);
3062                 else
3063                         TAILQ_INSERT_AFTER(wl, target, source, entry);
3064                 break;
3065         case SWM_ARG_ID_SWAPMAIN:
3066                 target = TAILQ_FIRST(wl);
3067                 if (target == source) {
3068                         if (source->ws->focus_prev != NULL &&
3069                             source->ws->focus_prev != target)
3070                                 source = source->ws->focus_prev;
3071                         else
3072                                 return;
3073                 }
3074                 if (target == NULL || source == NULL)
3075                         return;
3076                 source->ws->focus_prev = target;
3077                 TAILQ_REMOVE(wl, target, entry);
3078                 TAILQ_INSERT_BEFORE(source, target, entry);
3079                 TAILQ_REMOVE(wl, source, entry);
3080                 TAILQ_INSERT_HEAD(wl, source, entry);
3081                 break;
3082         case SWM_ARG_ID_MOVELAST:
3083                 TAILQ_REMOVE(wl, source, entry);
3084                 TAILQ_INSERT_TAIL(wl, source, entry);
3085                 break;
3086         default:
3087                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
3088                 return;
3089         }
3090
3091         sort_windows(wl);
3092
3093         stack();
3094
3095         focus_flush();
3096 }
3097
3098 struct ws_win *
3099 get_focus_prev(struct ws_win *win)
3100 {
3101         struct ws_win           *winfocus = NULL;
3102         struct ws_win           *cur_focus = NULL;
3103         struct ws_win_list      *wl = NULL;
3104         struct workspace        *ws = NULL;
3105
3106         if (!(win && win->ws))
3107                 return NULL;
3108
3109         ws = win->ws;
3110         wl = &ws->winlist;
3111         cur_focus = ws->focus;
3112
3113         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: window: 0x%x, cur_focus: 0x%x\n",
3114             WINID(win), WINID(cur_focus));
3115
3116         /* pickle, just focus on whatever */
3117         if (cur_focus == NULL) {
3118                 /* use prev_focus if valid */
3119                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
3120                     find_window(WINID(ws->focus_prev)))
3121                         winfocus = ws->focus_prev;
3122                 goto done;
3123         }
3124
3125         /* if transient focus on parent */
3126         if (cur_focus->transient) {
3127                 winfocus = find_window(cur_focus->transient);
3128                 goto done;
3129         }
3130
3131         /* if in max_stack try harder */
3132         if ((win->quirks & SWM_Q_FOCUSPREV) ||
3133             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
3134                 if (cur_focus != ws->focus_prev)
3135                         winfocus = ws->focus_prev;
3136                 else
3137                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3138                 if (winfocus)
3139                         goto done;
3140         }
3141
3142         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: focus_close: %d\n", focus_close);
3143
3144         if (winfocus == NULL || winfocus == win) {
3145                 switch (focus_close) {
3146                 case SWM_STACK_BOTTOM:
3147                         winfocus = TAILQ_FIRST(wl);
3148                         break;
3149                 case SWM_STACK_TOP:
3150                         winfocus = TAILQ_LAST(wl, ws_win_list);
3151                         break;
3152                 case SWM_STACK_ABOVE:
3153                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
3154                                 if (focus_close_wrap)
3155                                         winfocus = TAILQ_FIRST(wl);
3156                                 else
3157                                         winfocus = TAILQ_PREV(cur_focus,
3158                                             ws_win_list, entry);
3159                         }
3160                         break;
3161                 case SWM_STACK_BELOW:
3162                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
3163                             entry)) == NULL) {
3164                                 if (focus_close_wrap)
3165                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3166                                 else
3167                                         winfocus = TAILQ_NEXT(cur_focus, entry);
3168                         }
3169                         break;
3170                 }
3171         }
3172 done:
3173         if (winfocus == NULL) {
3174                 if (focus_default == SWM_STACK_TOP)
3175                         winfocus = TAILQ_LAST(wl, ws_win_list);
3176                 else
3177                         winfocus = TAILQ_FIRST(wl);
3178         }
3179
3180         kill_refs(win);
3181
3182         return get_focus_magic(winfocus);
3183 }
3184
3185 struct ws_win *
3186 get_region_focus(struct swm_region *r)
3187 {
3188         struct ws_win           *winfocus = NULL;
3189
3190         if (!(r && r->ws))
3191                 return NULL;
3192
3193         if (r->ws->focus && !r->ws->focus->iconic)
3194                 winfocus = r->ws->focus;
3195         else if (r->ws->focus_prev && !r->ws->focus_prev->iconic)
3196                 winfocus = r->ws->focus_prev;
3197         else
3198                 TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3199                         if (!winfocus->iconic)
3200                                 break;
3201
3202         return get_focus_magic(winfocus);
3203 }
3204
3205 void
3206 focus(struct swm_region *r, union arg *args)
3207 {
3208         struct ws_win           *head, *cur_focus = NULL, *winfocus = NULL;
3209         struct ws_win_list      *wl = NULL;
3210         struct workspace        *ws = NULL;
3211         int                     all_iconics;
3212
3213         if (!(r && r->ws))
3214                 return;
3215
3216         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
3217
3218         if ((cur_focus = r->ws->focus) == NULL)
3219                 return;
3220         ws = r->ws;
3221         wl = &ws->winlist;
3222         if (TAILQ_EMPTY(wl))
3223                 return;
3224         /* make sure there is at least one uniconified window */
3225         all_iconics = 1;
3226         TAILQ_FOREACH(winfocus, wl, entry)
3227                 if (winfocus->iconic == 0) {
3228                         all_iconics = 0;
3229                         break;
3230                 }
3231         if (all_iconics)
3232                 return;
3233
3234         switch (args->id) {
3235         case SWM_ARG_ID_FOCUSPREV:
3236                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
3237                 if (head == NULL)
3238                         head = TAILQ_LAST(wl, ws_win_list);
3239                 winfocus = head;
3240                 if (WINID(winfocus) == cur_focus->transient) {
3241                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
3242                         if (head == NULL)
3243                                 head = TAILQ_LAST(wl, ws_win_list);
3244                         winfocus = head;
3245                 }
3246
3247                 /* skip iconics */
3248                 if (winfocus && winfocus->iconic) {
3249                         while (winfocus != cur_focus) {
3250                                 if (winfocus == NULL)
3251                                         winfocus = TAILQ_LAST(wl, ws_win_list);
3252                                 if (winfocus->iconic == 0)
3253                                         break;
3254                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3255                                     entry);
3256                         }
3257                 }
3258                 break;
3259
3260         case SWM_ARG_ID_FOCUSNEXT:
3261                 head = TAILQ_NEXT(cur_focus, entry);
3262                 if (head == NULL)
3263                         head = TAILQ_FIRST(wl);
3264                 winfocus = head;
3265
3266                 /* skip iconics */
3267                 if (winfocus && winfocus->iconic) {
3268                         while (winfocus != cur_focus) {
3269                                 if (winfocus == NULL)
3270                                         winfocus = TAILQ_FIRST(wl);
3271                                 if (winfocus->iconic == 0)
3272                                         break;
3273                                 winfocus = TAILQ_NEXT(winfocus, entry);
3274                         }
3275                 }
3276                 break;
3277
3278         case SWM_ARG_ID_FOCUSMAIN:
3279                 winfocus = TAILQ_FIRST(wl);
3280                 if (winfocus == cur_focus)
3281                         winfocus = cur_focus->ws->focus_prev;
3282                 break;
3283
3284         default:
3285                 return;
3286         }
3287
3288         focus_win(get_focus_magic(winfocus));
3289
3290         xcb_flush(conn);
3291 }
3292
3293 void
3294 cycle_layout(struct swm_region *r, union arg *args)
3295 {
3296         struct workspace        *ws = r->ws;
3297
3298         /* suppress unused warning since var is needed */
3299         (void)args;
3300
3301         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
3302
3303         ws->cur_layout++;
3304         if (ws->cur_layout->l_stack == NULL)
3305                 ws->cur_layout = &layouts[0];
3306
3307         stack();
3308         bar_update();
3309
3310         focus_win(get_region_focus(r));
3311
3312         focus_flush();
3313 }
3314
3315 void
3316 stack_config(struct swm_region *r, union arg *args)
3317 {
3318         struct workspace        *ws = r->ws;
3319
3320         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3321             args->id, ws->idx);
3322
3323         if (ws->cur_layout->l_config != NULL)
3324                 ws->cur_layout->l_config(ws, args->id);
3325
3326         if (args->id != SWM_ARG_ID_STACKINIT)
3327                 stack();
3328         bar_update();
3329
3330         focus_flush();
3331 }
3332
3333 void
3334 stack(void) {
3335         struct swm_geometry     g;
3336         struct swm_region       *r;
3337         int                     i, num_screens;
3338 #ifdef SWM_DEBUG
3339         int j;
3340 #endif
3341
3342         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3343
3344         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3345         for (i = 0; i < num_screens; i++) {
3346 #ifdef SWM_DEBUG
3347                 j = 0;
3348 #endif
3349                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3350                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3351                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3352
3353                         /* start with screen geometry, adjust for bar */
3354                         g = r->g;
3355                         g.w -= 2 * border_width;
3356                         g.h -= 2 * border_width;
3357                         if (bar_enabled) {
3358                                 if (!bar_at_bottom)
3359                                         g.y += bar_height;
3360                                 g.h -= bar_height;
3361                         }
3362                         r->ws->cur_layout->l_stack(r->ws, &g);
3363                         r->ws->cur_layout->l_string(r->ws);
3364                         /* save r so we can track region changes */
3365                         r->ws->old_r = r;
3366                 }
3367         }
3368         if (font_adjusted)
3369                 font_adjusted--;
3370
3371         DNPRINTF(SWM_D_STACK, "stack: end\n");
3372 }
3373
3374 void
3375 store_float_geom(struct ws_win *win, struct swm_region *r)
3376 {
3377         if (win == NULL || r == NULL)
3378                 return;
3379
3380         /* retain window geom and region geom */
3381         win->g_float = win->g;
3382         win->g_float.x -= X(r);
3383         win->g_float.y -= Y(r);
3384         win->g_floatvalid = 1;
3385         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3386             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3387             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3388             win->g_float.w, win->g_float.h);
3389 }
3390
3391 void
3392 load_float_geom(struct ws_win *win, struct swm_region *r)
3393 {
3394         if (win == NULL || r == NULL)
3395                 return;
3396
3397         if (win->g_floatvalid) {
3398                 win->g = win->g_float;
3399                 X(win) += X(r);
3400                 Y(win) += Y(r);
3401                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g: (%d,%d)"
3402                     "%d x %d\n", win->id, X(win), Y(win), WIDTH(win),
3403                     HEIGHT(win));
3404         } else {
3405                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g_float "
3406                     "is not set.\n", win->id);
3407         }
3408 }
3409
3410 void
3411 stack_floater(struct ws_win *win, struct swm_region *r)
3412 {
3413         if (win == NULL)
3414                 return;
3415
3416         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3417
3418         /*
3419          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3420          * geom on ws switches or return from max mode
3421          */
3422         if (win->floatmaxed || (r != r->ws->old_r &&
3423             !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
3424                 /* update geometry for the new region */
3425                 load_float_geom(win, r);
3426         }
3427
3428         win->floatmaxed = 0;
3429
3430         /*
3431          * if set to fullscreen mode, configure window to maximum size.
3432          */
3433         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3434                 if (!win->g_floatvalid)
3435                         store_float_geom(win, win->ws->r);
3436
3437                 win->g = r->g;
3438         }
3439
3440         /*
3441          * remove border on fullscreen floater when in fullscreen mode or when
3442          * the quirk is present.
3443          */
3444         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3445             ((win->quirks & SWM_Q_FULLSCREEN) &&
3446              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3447                 if (win->bordered) {
3448                         win->bordered = 0;
3449                         X(win) += border_width;
3450                         Y(win) += border_width;
3451                 }
3452         } else if (!win->bordered) {
3453                 win->bordered = 1;
3454                 X(win) -= border_width;
3455                 Y(win) -= border_width;
3456         }
3457
3458         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3459                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3460                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3461         }
3462
3463         if (!win->manual && !(win->ewmh_flags & EWMH_F_FULLSCREEN) &&
3464             !(win->quirks & SWM_Q_ANYWHERE)) {
3465                 /*
3466                  * floaters and transients are auto-centred unless moved,
3467                  * resized or ANYWHERE quirk is set.
3468                  */
3469                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3470                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3471
3472                 store_float_geom(win, r);
3473         }
3474
3475         /* keep window within region bounds */
3476         constrain_window(win, r, 0);
3477
3478         update_window(win);
3479 }
3480
3481 /*
3482  * Send keystrokes to terminal to decrease/increase the font size as the
3483  * window size changes.
3484  */
3485 void
3486 adjust_font(struct ws_win *win)
3487 {
3488         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3489             win->floating || win->transient)
3490                 return;
3491
3492         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3493             WIDTH(win) / win->sh.width_inc < term_width &&
3494             win->font_steps < SWM_MAX_FONT_STEPS) {
3495                 win->font_size_boundary[win->font_steps] =
3496                     (win->sh.width_inc * term_width) + win->sh.base_width;
3497                 win->font_steps++;
3498                 font_adjusted++;
3499                 win->last_inc = win->sh.width_inc;
3500                 fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
3501         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3502             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3503                 win->font_steps--;
3504                 font_adjusted++;
3505                 win->last_inc = win->sh.width_inc;
3506                 fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
3507         }
3508 }
3509
3510 #define SWAPXY(g)       do {                            \
3511         int tmp;                                        \
3512         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3513         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3514 } while (0)
3515 void
3516 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3517 {
3518         struct swm_geometry     win_g, r_g = *g;
3519         struct ws_win           *win, *fs_win = NULL;
3520         int                     i, j, s, stacks;
3521         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3522         int                     hrh, extra = 0, h_slice, last_h = 0;
3523         int                     split, colno, winno, mwin, msize, mscale;
3524         int                     remain, missing, v_slice, reconfigure = 0;
3525         int                     bordered = 1;
3526
3527         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3528             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3529
3530         winno = count_win(ws, 0);
3531         if (winno == 0 && count_win(ws, 1) == 0)
3532                 return;
3533
3534         TAILQ_FOREACH(win, &ws->winlist, entry)
3535                 if (win->transient == 0 && win->floating == 0
3536                     && win->iconic == 0)
3537                         break;
3538
3539         if (win == NULL)
3540                 goto notiles;
3541
3542         if (rot) {
3543                 w_inc = win->sh.width_inc;
3544                 w_base = win->sh.base_width;
3545                 mwin = ws->l_state.horizontal_mwin;
3546                 mscale = ws->l_state.horizontal_msize;
3547                 stacks = ws->l_state.horizontal_stacks;
3548                 SWAPXY(&r_g);
3549         } else {
3550                 w_inc = win->sh.height_inc;
3551                 w_base = win->sh.base_height;
3552                 mwin = ws->l_state.vertical_mwin;
3553                 mscale = ws->l_state.vertical_msize;
3554                 stacks = ws->l_state.vertical_stacks;
3555         }
3556         win_g = r_g;
3557
3558         if (stacks > winno - mwin)
3559                 stacks = winno - mwin;
3560         if (stacks < 1)
3561                 stacks = 1;
3562
3563         h_slice = r_g.h / SWM_H_SLICE;
3564         if (mwin && winno > mwin) {
3565                 v_slice = r_g.w / SWM_V_SLICE;
3566
3567                 split = mwin;
3568                 colno = split;
3569                 win_g.w = v_slice * mscale;
3570
3571                 if (w_inc > 1 && w_inc < v_slice) {
3572                         /* adjust for window's requested size increment */
3573                         remain = (win_g.w - w_base) % w_inc;
3574                         win_g.w -= remain;
3575                 }
3576
3577                 msize = win_g.w;
3578                 if (flip)
3579                         win_g.x += r_g.w - msize;
3580         } else {
3581                 msize = -2;
3582                 colno = split = winno / stacks;
3583                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3584                     2 * border_width) / stacks);
3585         }
3586         hrh = r_g.h / colno;
3587         extra = r_g.h - (colno * hrh);
3588         win_g.h = hrh - 2 * border_width;
3589
3590         /*  stack all the tiled windows */
3591         i = j = 0, s = stacks;
3592         TAILQ_FOREACH(win, &ws->winlist, entry) {
3593                 if (win->transient != 0 || win->floating != 0)
3594                         continue;
3595                 if (win->iconic != 0)
3596                         continue;
3597
3598                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3599                         fs_win = win;
3600                         continue;
3601                 }
3602
3603                 if (split && i == split) {
3604                         colno = (winno - mwin) / stacks;
3605                         if (s <= (winno - mwin) % stacks)
3606                                 colno++;
3607                         split = split + colno;
3608                         hrh = (r_g.h / colno);
3609                         extra = r_g.h - (colno * hrh);
3610                         if (flip)
3611                                 win_g.x = r_g.x;
3612                         else
3613                                 win_g.x += win_g.w + 2 * border_width;
3614                         win_g.w = (r_g.w - msize -
3615                             (stacks * 2 * border_width)) / stacks;
3616                         if (s == 1)
3617                                 win_g.w += (r_g.w - msize -
3618                                     (stacks * 2 * border_width)) % stacks;
3619                         s--;
3620                         j = 0;
3621                 }
3622                 win_g.h = hrh - 2 * border_width;
3623                 if (rot) {
3624                         h_inc = win->sh.width_inc;
3625                         h_base = win->sh.base_width;
3626                 } else {
3627                         h_inc = win->sh.height_inc;
3628                         h_base = win->sh.base_height;
3629                 }
3630                 if (j == colno - 1) {
3631                         win_g.h = hrh + extra;
3632                 } else if (h_inc > 1 && h_inc < h_slice) {
3633                         /* adjust for window's requested size increment */
3634                         remain = (win_g.h - h_base) % h_inc;
3635                         missing = h_inc - remain;
3636
3637                         if (missing <= extra || j == 0) {
3638                                 extra -= missing;
3639                                 win_g.h += missing;
3640                         } else {
3641                                 win_g.h -= remain;
3642                                 extra += remain;
3643                         }
3644                 }
3645
3646                 if (j == 0)
3647                         win_g.y = r_g.y;
3648                 else
3649                         win_g.y += last_h + 2 * border_width;
3650
3651                 if (disable_border && bar_enabled == 0 && winno == 1){
3652                         bordered = 0;
3653                         win_g.w += 2 * border_width;
3654                         win_g.h += 2 * border_width;
3655                 } else {
3656                         bordered = 1;
3657                 }
3658                 if (rot) {
3659                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3660                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3661                                 reconfigure = 1;
3662                                 X(win) = win_g.y;
3663                                 Y(win) = win_g.x;
3664                                 WIDTH(win) = win_g.h;
3665                                 HEIGHT(win) = win_g.w;
3666                         }
3667                 } else {
3668                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3669                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3670                                 reconfigure = 1;
3671                                 X(win) = win_g.x;
3672                                 Y(win) = win_g.y;
3673                                 WIDTH(win) = win_g.w;
3674                                 HEIGHT(win) = win_g.h;
3675                         }
3676                 }
3677
3678                 if (bordered != win->bordered) {
3679                         reconfigure = 1;
3680                         win->bordered = bordered;
3681                 }
3682
3683                 if (reconfigure) {
3684                         adjust_font(win);
3685                         update_window(win);
3686                 }
3687
3688                 map_window(win);
3689
3690                 last_h = win_g.h;
3691                 i++;
3692                 j++;
3693         }
3694
3695 notiles:
3696         /* now, stack all the floaters and transients */
3697         TAILQ_FOREACH(win, &ws->winlist, entry) {
3698                 if (win->transient == 0 && win->floating == 0)
3699                         continue;
3700                 if (win->iconic == 1)
3701                         continue;
3702                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3703                         fs_win = win;
3704                         continue;
3705                 }
3706
3707                 stack_floater(win, ws->r);
3708                 map_window(win);
3709         }
3710
3711         if (fs_win) {
3712                 stack_floater(fs_win, ws->r);
3713                 map_window(fs_win);
3714         }
3715 }
3716
3717 void
3718 vertical_config(struct workspace *ws, int id)
3719 {
3720         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3721             id, ws->idx);
3722
3723         switch (id) {
3724         case SWM_ARG_ID_STACKRESET:
3725         case SWM_ARG_ID_STACKINIT:
3726                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3727                 ws->l_state.vertical_mwin = 1;
3728                 ws->l_state.vertical_stacks = 1;
3729                 break;
3730         case SWM_ARG_ID_MASTERSHRINK:
3731                 if (ws->l_state.vertical_msize > 1)
3732                         ws->l_state.vertical_msize--;
3733                 break;
3734         case SWM_ARG_ID_MASTERGROW:
3735                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3736                         ws->l_state.vertical_msize++;
3737                 break;
3738         case SWM_ARG_ID_MASTERADD:
3739                 ws->l_state.vertical_mwin++;
3740                 break;
3741         case SWM_ARG_ID_MASTERDEL:
3742                 if (ws->l_state.vertical_mwin > 0)
3743                         ws->l_state.vertical_mwin--;
3744                 break;
3745         case SWM_ARG_ID_STACKINC:
3746                 ws->l_state.vertical_stacks++;
3747                 break;
3748         case SWM_ARG_ID_STACKDEC:
3749                 if (ws->l_state.vertical_stacks > 1)
3750                         ws->l_state.vertical_stacks--;
3751                 break;
3752         case SWM_ARG_ID_FLIPLAYOUT:
3753                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3754                 break;
3755         default:
3756                 return;
3757         }
3758 }
3759
3760 void
3761 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3762 {
3763         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3764
3765         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3766 }
3767
3768 void
3769 horizontal_config(struct workspace *ws, int id)
3770 {
3771         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3772
3773         switch (id) {
3774         case SWM_ARG_ID_STACKRESET:
3775         case SWM_ARG_ID_STACKINIT:
3776                 ws->l_state.horizontal_mwin = 1;
3777                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3778                 ws->l_state.horizontal_stacks = 1;
3779                 break;
3780         case SWM_ARG_ID_MASTERSHRINK:
3781                 if (ws->l_state.horizontal_msize > 1)
3782                         ws->l_state.horizontal_msize--;
3783                 break;
3784         case SWM_ARG_ID_MASTERGROW:
3785                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3786                         ws->l_state.horizontal_msize++;
3787                 break;
3788         case SWM_ARG_ID_MASTERADD:
3789                 ws->l_state.horizontal_mwin++;
3790                 break;
3791         case SWM_ARG_ID_MASTERDEL:
3792                 if (ws->l_state.horizontal_mwin > 0)
3793                         ws->l_state.horizontal_mwin--;
3794                 break;
3795         case SWM_ARG_ID_STACKINC:
3796                 ws->l_state.horizontal_stacks++;
3797                 break;
3798         case SWM_ARG_ID_STACKDEC:
3799                 if (ws->l_state.horizontal_stacks > 1)
3800                         ws->l_state.horizontal_stacks--;
3801                 break;
3802         case SWM_ARG_ID_FLIPLAYOUT:
3803                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3804                 break;
3805         default:
3806                 return;
3807         }
3808 }
3809
3810 void
3811 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3812 {
3813         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3814
3815         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3816 }
3817
3818 /* fullscreen view */
3819 void
3820 max_stack(struct workspace *ws, struct swm_geometry *g)
3821 {
3822         struct swm_geometry     gg = *g;
3823         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3824         int                     winno, num_screens;
3825
3826         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3827
3828         if (ws == NULL)
3829                 return;
3830
3831         winno = count_win(ws, 0);
3832         if (winno == 0 && count_win(ws, 1) == 0)
3833                 return;
3834
3835         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3836         TAILQ_FOREACH(win, &ws->winlist, entry) {
3837                 if (win->transient) {
3838                         wintrans = win;
3839                         parent = find_window(win->transient);
3840                         continue;
3841                 }
3842
3843                 if (win->floating && win->floatmaxed == 0 ) {
3844                         /*
3845                          * retain geometry for retrieval on exit from
3846                          * max_stack mode
3847                          */
3848                         store_float_geom(win, ws->r);
3849                         win->floatmaxed = 1;
3850                 }
3851
3852                 /* only reconfigure if necessary */
3853                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3854                     HEIGHT(win) != gg.h) {
3855                         win->g = gg;
3856                         if (bar_enabled){
3857                                 win->bordered = 1;
3858                         } else {
3859                                 win->bordered = 0;
3860                                 WIDTH(win) += 2 * border_width;
3861                                 HEIGHT(win) += 2 * border_width;
3862                         }
3863
3864                         update_window(win);
3865                 }
3866                 /* unmap only if we don't have multi screen */
3867                 if (win != ws->focus)
3868                         if (!(num_screens > 1 || outputs > 1))
3869                                 unmap_window(win);
3870         }
3871
3872         /* put the last transient on top */
3873         if (wintrans) {
3874                 if (parent)
3875                         map_window(parent);
3876                 stack_floater(wintrans, ws->r);
3877                 ws->focus = get_focus_magic(wintrans);
3878         }
3879 }
3880
3881 void
3882 send_to_ws(struct swm_region *r, union arg *args)
3883 {
3884         int                     wsid = args->id;
3885         struct ws_win           *win = NULL, *parent;
3886         struct workspace        *ws, *nws;
3887         char                    ws_idx_str[SWM_PROPLEN];
3888
3889         if (wsid >= workspace_limit)
3890                 return;
3891
3892         if (r && r->ws && r->ws->focus)
3893                 win = r->ws->focus;
3894         else
3895                 return;
3896
3897         if (win->ws->idx == wsid)
3898                 return;
3899
3900         DNPRINTF(SWM_D_MOVE, "send_to_ws: win 0x%x, ws %d -> %d\n", win->id,
3901             win->ws->idx, wsid);
3902
3903         ws = win->ws;
3904         nws = &win->s->ws[wsid];
3905
3906         /* Update the window's workspace property: _SWM_WS */
3907         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
3908                 ws->focus_pending = get_focus_prev(win);
3909
3910                 /* Move the parent if this is a transient window. */
3911                 if (win->transient) {
3912                         parent = find_window(win->transient);
3913                         if (parent) {
3914                                 /* Set new focus in parent's ws if needed. */
3915                                 if (parent->ws->focus == parent) {
3916                                         parent->ws->focus_pending =
3917                                             get_focus_prev(parent);
3918                                         unfocus_win(parent);
3919                                         parent->ws->focus =
3920                                             parent->ws->focus_pending;
3921                                         parent->ws->focus_pending = NULL;
3922                                 }
3923
3924                                 /* Don't unmap parent if new ws is visible */
3925                                 if (nws->r == NULL)
3926                                         unmap_window(parent);
3927
3928                                 /* Transfer */
3929                                 TAILQ_REMOVE(&ws->winlist, parent, entry);
3930                                 TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3931                                 parent->ws = nws;
3932
3933                                 DNPRINTF(SWM_D_PROP, "send_to_ws: set "
3934                                     "property: _SWM_WS: %s\n", ws_idx_str);
3935                                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE,
3936                                     parent->id, a_swm_ws, XCB_ATOM_STRING, 8,
3937                                     strlen(ws_idx_str), ws_idx_str);
3938                         }
3939                 }
3940
3941                 unfocus_win(win);
3942
3943                 /* Don't unmap if new ws is visible */
3944                 if (nws->r == NULL)
3945                         unmap_window(win);
3946
3947                 /* Transfer */
3948                 TAILQ_REMOVE(&ws->winlist, win, entry);
3949                 TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3950                 win->ws = nws;
3951
3952                 /* Set focus on new ws. */
3953                 unfocus_win(nws->focus);
3954                 nws->focus = win;
3955
3956                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3957                     ws_idx_str);
3958                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3959                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3960                     ws_idx_str);
3961
3962                 /* Restack and set new focus. */
3963                 stack();
3964                 focus_win(ws->focus_pending);
3965                 ws->focus_pending = NULL;
3966
3967                 focus_flush();
3968         }
3969
3970         DNPRINTF(SWM_D_MOVE, "send_to_ws: done.\n");
3971 }
3972
3973 void
3974 pressbutton(struct swm_region *r, union arg *args)
3975 {
3976         /* suppress unused warning since var is needed */
3977         (void)r;
3978
3979         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
3980             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3981         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
3982             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3983 }
3984
3985 void
3986 raise_toggle(struct swm_region *r, union arg *args)
3987 {
3988         /* suppress unused warning since var is needed */
3989         (void)args;
3990
3991         if (r == NULL || r->ws == NULL)
3992                 return;
3993
3994         r->ws->always_raise = !r->ws->always_raise;
3995
3996         /* bring floaters back to top */
3997         if (r->ws->always_raise == 0)
3998                 stack();
3999
4000         focus_flush();
4001 }
4002
4003 void
4004 iconify(struct swm_region *r, union arg *args)
4005 {
4006         /* suppress unused warning since var is needed */
4007         (void)args;
4008
4009         if (r->ws->focus == NULL)
4010                 return;
4011
4012         set_swm_iconic(r->ws->focus, 1);
4013
4014         xcb_flush(conn);
4015 }
4016
4017 char *
4018 get_win_name(xcb_window_t win)
4019 {
4020         char                            *name = NULL;
4021         xcb_get_property_cookie_t       c;
4022         xcb_get_property_reply_t        *r;
4023
4024         /* First try _NET_WM_NAME for UTF-8. */
4025         c = xcb_get_property(conn, 0, win, a_netwmname,
4026             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4027         r = xcb_get_property_reply(conn, c, NULL);
4028
4029         if (!r || r->type == XCB_NONE) {
4030                 free(r);
4031                 /* Use WM_NAME instead; no UTF-8. */
4032                 c = xcb_get_property(conn, 0, win, XCB_ATOM_WM_NAME,
4033                     XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4034                 r = xcb_get_property_reply(conn, c, NULL);
4035
4036                 if(!r || r->type == XCB_NONE) {
4037                         free(r);
4038                         return NULL;
4039                 }
4040         }
4041
4042         if (r->length > 0)
4043                 name = strndup(xcb_get_property_value(r),
4044                     xcb_get_property_value_length(r));
4045
4046         free(r);
4047         return name;
4048 }
4049
4050 void
4051 uniconify(struct swm_region *r, union arg *args)
4052 {
4053         struct ws_win           *win;
4054         FILE                    *lfile;
4055         char                    *name;
4056         int                     count = 0;
4057
4058         DNPRINTF(SWM_D_MISC, "uniconify\n");
4059
4060         if (r == NULL || r->ws == NULL)
4061                 return;
4062
4063         /* make sure we have anything to uniconify */
4064         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4065                 if (win->ws == NULL)
4066                         continue; /* should never happen */
4067                 if (win->iconic == 0)
4068                         continue;
4069                 count++;
4070         }
4071         if (count == 0)
4072                 return;
4073
4074         search_r = r;
4075         search_resp_action = SWM_SEARCH_UNICONIFY;
4076
4077         spawn_select(r, args, "search", &searchpid);
4078
4079         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4080                 return;
4081
4082         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4083                 if (win->ws == NULL)
4084                         continue; /* should never happen */
4085                 if (win->iconic == 0)
4086                         continue;
4087
4088                 name = get_win_name(win->id);
4089                 if (name == NULL)
4090                         continue;
4091                 fprintf(lfile, "%s.%u\n", name, win->id);
4092                 free(name);
4093         }
4094
4095         fclose(lfile);
4096 }
4097
4098 void
4099 name_workspace(struct swm_region *r, union arg *args)
4100 {
4101         FILE                    *lfile;
4102
4103         DNPRINTF(SWM_D_MISC, "name_workspace\n");
4104
4105         if (r == NULL)
4106                 return;
4107
4108         search_r = r;
4109         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
4110
4111         spawn_select(r, args, "name_workspace", &searchpid);
4112
4113         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4114                 return;
4115
4116         fprintf(lfile, "%s", "");
4117         fclose(lfile);
4118 }
4119
4120 void
4121 search_workspace(struct swm_region *r, union arg *args)
4122 {
4123         int                     i;
4124         struct workspace        *ws;
4125         FILE                    *lfile;
4126
4127         DNPRINTF(SWM_D_MISC, "search_workspace\n");
4128
4129         if (r == NULL)
4130                 return;
4131
4132         search_r = r;
4133         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
4134
4135         spawn_select(r, args, "search", &searchpid);
4136
4137         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4138                 return;
4139
4140         for (i = 0; i < workspace_limit; i++) {
4141                 ws = &r->s->ws[i];
4142                 if (ws == NULL)
4143                         continue;
4144                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
4145                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
4146         }
4147
4148         fclose(lfile);
4149 }
4150
4151 void
4152 search_win_cleanup(void)
4153 {
4154         struct search_window    *sw = NULL;
4155
4156         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
4157                 xcb_destroy_window(conn, sw->indicator);
4158                 TAILQ_REMOVE(&search_wl, sw, entry);
4159                 free(sw);
4160         }
4161 }
4162
4163 void
4164 search_win(struct swm_region *r, union arg *args)
4165 {
4166         struct ws_win           *win = NULL;
4167         struct search_window    *sw = NULL;
4168         xcb_window_t            w;
4169         uint32_t                wa[2];
4170         int                     i, width, height;
4171         char                    s[8];
4172         FILE                    *lfile;
4173         size_t                  len;
4174         XftDraw                 *draw;
4175         XGlyphInfo              info;
4176         GC                      l_draw;
4177         XGCValues               l_gcv;
4178         XRectangle              l_ibox, l_lbox;
4179
4180         DNPRINTF(SWM_D_MISC, "search_win\n");
4181
4182         search_r = r;
4183         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
4184
4185         spawn_select(r, args, "search", &searchpid);
4186
4187         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4188                 return;
4189
4190         TAILQ_INIT(&search_wl);
4191
4192         i = 1;
4193         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4194                 if (win->iconic == 1)
4195                         continue;
4196
4197                 sw = calloc(1, sizeof(struct search_window));
4198                 if (sw == NULL) {
4199                         warn("search_win: calloc");
4200                         fclose(lfile);
4201                         search_win_cleanup();
4202                         return;
4203                 }
4204                 sw->idx = i;
4205                 sw->win = win;
4206
4207                 snprintf(s, sizeof s, "%d", i);
4208                 len = strlen(s);
4209
4210                 w = xcb_generate_id(conn);
4211                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
4212                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].pixel;
4213
4214                 if (bar_font_legacy) {
4215                         XmbTextExtents(bar_fs, s, len, &l_ibox, &l_lbox);
4216                         width = l_lbox.width + 4;
4217                         height = bar_fs_extents->max_logical_extent.height + 4;
4218                 } else {
4219                         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len,
4220                             &info);
4221                         width = info.width + 4;
4222                         height = bar_font->height + 4;
4223                 }
4224
4225                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
4226                     width, height, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
4227                     XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL |
4228                     XCB_CW_BORDER_PIXEL, wa);
4229
4230                 xcb_map_window(conn, w);
4231
4232                 sw->indicator = w;
4233                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
4234
4235                 if (bar_font_legacy) {
4236                         l_gcv.graphics_exposures = 0;
4237                         l_draw = XCreateGC(display, w, 0, &l_gcv);
4238
4239                         XSetForeground(display, l_draw,
4240                                 r->s->c[SWM_S_COLOR_BAR].pixel);
4241
4242                         DRAWSTRING(display, w, bar_fs, l_draw, 2,
4243                             (bar_fs_extents->max_logical_extent.height -
4244                             l_lbox.height) / 2 - l_lbox.y, s, len);
4245
4246                         XFreeGC(display, l_draw);
4247                 } else {
4248
4249                         draw = XftDrawCreate(display, w,
4250                             DefaultVisual(display, r->s->idx),
4251                             DefaultColormap(display, r->s->idx));
4252
4253                         XftDrawStringUtf8(draw, &bar_font_color, bar_font, 2,
4254                             (HEIGHT(r->bar) + bar_font->height) / 2 -
4255                             bar_font->descent, (FcChar8 *)s, len);
4256
4257                         XftDrawDestroy(draw);
4258                 }
4259
4260                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
4261
4262                 fprintf(lfile, "%d\n", i);
4263                 i++;
4264         }
4265
4266         fclose(lfile);
4267
4268         xcb_flush(conn);
4269 }
4270
4271 void
4272 search_resp_uniconify(char *resp, unsigned long len)
4273 {
4274         char                    *name;
4275         struct ws_win           *win;
4276         char                    *s;
4277
4278         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
4279
4280         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
4281                 if (win->iconic == 0)
4282                         continue;
4283                 name = get_win_name(win->id);
4284                 if (name == NULL)
4285                         continue;
4286                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
4287                         free(name);
4288                         continue;
4289                 }
4290                 free(name);
4291                 if (strncmp(s, resp, len) == 0) {
4292                         /* XXX this should be a callback to generalize */
4293                         set_swm_iconic(win, 0);
4294                         xcb_flush(conn);
4295                         free(s);
4296                         break;
4297                 }
4298                 free(s);
4299         }
4300 }
4301
4302 void
4303 search_resp_name_workspace(char *resp, unsigned long len)
4304 {
4305         struct workspace        *ws;
4306
4307         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
4308
4309         if (search_r->ws == NULL)
4310                 return;
4311         ws = search_r->ws;
4312
4313         if (ws->name) {
4314                 free(search_r->ws->name);
4315                 search_r->ws->name = NULL;
4316         }
4317
4318         if (len > 1) {
4319                 ws->name = strdup(resp);
4320                 if (ws->name == NULL) {
4321                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
4322                             "strdup: %s", strerror(errno));
4323                         return;
4324                 }
4325         }
4326 }
4327
4328 void
4329 search_resp_search_workspace(char *resp)
4330 {
4331         char                    *p, *q;
4332         int                     ws_idx;
4333         const char              *errstr;
4334         union arg               a;
4335
4336         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
4337
4338         q = strdup(resp);
4339         if (!q) {
4340                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
4341                     strerror(errno));
4342                 return;
4343         }
4344         p = strchr(q, ':');
4345         if (p != NULL)
4346                 *p = '\0';
4347         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
4348         if (errstr) {
4349                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
4350                     errstr, q);
4351                 free(q);
4352                 return;
4353         }
4354         free(q);
4355         a.id = ws_idx - 1;
4356         switchws(search_r, &a);
4357 }
4358
4359 void
4360 search_resp_search_window(char *resp)
4361 {
4362         char                    *s;
4363         int                     idx;
4364         const char              *errstr;
4365         struct search_window    *sw;
4366
4367         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
4368
4369         s = strdup(resp);
4370         if (!s) {
4371                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
4372                     strerror(errno));
4373                 return;
4374         }
4375
4376         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
4377         if (errstr) {
4378                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
4379                     errstr, s);
4380                 free(s);
4381                 return;
4382         }
4383         free(s);
4384
4385         TAILQ_FOREACH(sw, &search_wl, entry)
4386                 if (idx == sw->idx) {
4387                         focus_win(sw->win);
4388                         break;
4389                 }
4390 }
4391
4392 #define MAX_RESP_LEN    1024
4393
4394 void
4395 search_do_resp(void)
4396 {
4397         ssize_t                 rbytes;
4398         char                    *resp;
4399         unsigned long           len;
4400
4401         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4402
4403         search_resp = 0;
4404         searchpid = 0;
4405
4406         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4407                 warn("search: calloc");
4408                 goto done;
4409         }
4410
4411         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4412         if (rbytes <= 0) {
4413                 warn("search: read error");
4414                 goto done;
4415         }
4416         resp[rbytes] = '\0';
4417
4418         /* XXX:
4419          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4420          * newline, so work around that by sanitizing the resp now.
4421          */
4422         resp[strcspn(resp, "\n")] = '\0';
4423         len = strlen(resp);
4424
4425         switch (search_resp_action) {
4426         case SWM_SEARCH_UNICONIFY:
4427                 search_resp_uniconify(resp, len);
4428                 break;
4429         case SWM_SEARCH_NAME_WORKSPACE:
4430                 search_resp_name_workspace(resp, len);
4431                 break;
4432         case SWM_SEARCH_SEARCH_WORKSPACE:
4433                 search_resp_search_workspace(resp);
4434                 break;
4435         case SWM_SEARCH_SEARCH_WINDOW:
4436                 search_resp_search_window(resp);
4437                 break;
4438         }
4439
4440 done:
4441         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4442                 search_win_cleanup();
4443
4444         search_resp_action = SWM_SEARCH_NONE;
4445         close(select_resp_pipe[0]);
4446         free(resp);
4447
4448         xcb_flush(conn);
4449 }
4450
4451 void
4452 wkill(struct swm_region *r, union arg *args)
4453 {
4454         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4455
4456         if (r->ws->focus == NULL)
4457                 return;
4458
4459         if (args->id == SWM_ARG_ID_KILLWINDOW)
4460                 xcb_kill_client(conn, r->ws->focus->id);
4461         else
4462                 if (r->ws->focus->can_delete)
4463                         client_msg(r->ws->focus, a_delete, 0);
4464
4465         xcb_flush(conn);
4466 }
4467
4468 int
4469 floating_toggle_win(struct ws_win *win)
4470 {
4471         struct swm_region       *r;
4472
4473         if (win == NULL)
4474                 return (0);
4475
4476         if (!win->ws->r)
4477                 return (0);
4478
4479         r = win->ws->r;
4480
4481         /* reject floating toggles in max stack mode */
4482         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4483                 return (0);
4484
4485         if (win->floating) {
4486                 if (!win->floatmaxed) {
4487                         /* retain position for refloat */
4488                         store_float_geom(win, r);
4489                 }
4490                 win->floating = 0;
4491         } else {
4492                 load_float_geom(win, r);
4493                 win->floating = 1;
4494         }
4495
4496         ewmh_update_actions(win);
4497
4498         return (1);
4499 }
4500
4501 void
4502 floating_toggle(struct swm_region *r, union arg *args)
4503 {
4504         struct ws_win           *win = r->ws->focus;
4505
4506         /* suppress unused warning since var is needed */
4507         (void)args;
4508
4509         if (win == NULL)
4510                 return;
4511
4512         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4513                 return;
4514
4515         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4516             _NET_WM_STATE_TOGGLE);
4517
4518         stack();
4519
4520         if (win == win->ws->focus)
4521                 focus_win(win);
4522
4523         focus_flush();
4524 }
4525
4526 void
4527 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4528 {
4529         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4530                 if (resizable)
4531                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4532                 else
4533                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4534         }
4535
4536         if (X(win) + BORDER(win) < X(r)) {
4537                 if (resizable)
4538                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4539
4540                 X(win) = X(r) - BORDER(win);
4541         }
4542
4543         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4544                 if (resizable)
4545                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4546                 else
4547                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4548         }
4549
4550         if (Y(win) + BORDER(win) < Y(r)) {
4551                 if (resizable)
4552                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4553
4554                 Y(win) = Y(r) - BORDER(win);
4555         }
4556
4557         if (resizable) {
4558                 if (WIDTH(win) < 1)
4559                         WIDTH(win) = 1;
4560                 if (HEIGHT(win) < 1)
4561                         HEIGHT(win) = 1;
4562         }
4563 }
4564
4565 void
4566 update_window(struct ws_win *win)
4567 {
4568         uint16_t        mask;
4569         uint32_t        wc[5];
4570
4571         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4572             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4573             XCB_CONFIG_WINDOW_BORDER_WIDTH;
4574         wc[0] = X(win);
4575         wc[1] = Y(win);
4576         wc[2] = WIDTH(win);
4577         wc[3] = HEIGHT(win);
4578         wc[4] = BORDER(win);
4579
4580         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4581             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4582             wc[3], YESNO(win->bordered));
4583
4584         xcb_configure_window(conn, win->id, mask, wc);
4585 }
4586
4587 #define SWM_RESIZE_STEPS        (50)
4588
4589 void
4590 resize(struct ws_win *win, union arg *args)
4591 {
4592         xcb_timestamp_t         timestamp = 0;
4593         struct swm_region       *r = NULL;
4594         int                     resize_step = 0;
4595         struct swm_geometry     g;
4596         int                     top = 0, left = 0, resizing;
4597         int                     dx, dy;
4598         unsigned int            shape; /* cursor style */
4599         xcb_cursor_t            cursor;
4600         xcb_font_t              cursor_font;
4601         xcb_query_pointer_reply_t       *xpr;
4602         xcb_generic_event_t             *evt;
4603         xcb_motion_notify_event_t       *mne;
4604
4605         if (win == NULL)
4606                 return;
4607         r = win->ws->r;
4608
4609         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4610                 return;
4611
4612         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
4613             "transient: 0x%x\n", win->id, YESNO(win->floating),
4614             win->transient);
4615
4616         if (!(win->transient != 0 || win->floating != 0))
4617                 return;
4618
4619         /* reject resizes in max mode for floaters (transient ok) */
4620         if (win->floatmaxed)
4621                 return;
4622
4623         win->manual = 1;
4624         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4625             _NET_WM_STATE_ADD);
4626
4627         stack();
4628
4629         focus_flush();
4630
4631         switch (args->id) {
4632         case SWM_ARG_ID_WIDTHSHRINK:
4633                 WIDTH(win) -= SWM_RESIZE_STEPS;
4634                 resize_step = 1;
4635                 break;
4636         case SWM_ARG_ID_WIDTHGROW:
4637                 WIDTH(win) += SWM_RESIZE_STEPS;
4638                 resize_step = 1;
4639                 break;
4640         case SWM_ARG_ID_HEIGHTSHRINK:
4641                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4642                 resize_step = 1;
4643                 break;
4644         case SWM_ARG_ID_HEIGHTGROW:
4645                 HEIGHT(win) += SWM_RESIZE_STEPS;
4646                 resize_step = 1;
4647                 break;
4648         default:
4649                 break;
4650         }
4651         if (resize_step) {
4652                 constrain_window(win, r, 1);
4653                 update_window(win);
4654                 store_float_geom(win,r);
4655                 return;
4656         }
4657
4658         /* get cursor offset from window root */
4659         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4660             NULL);
4661         if (!xpr)
4662                 return;
4663
4664         g = win->g;
4665
4666         if (xpr->win_x < WIDTH(win) / 2)
4667                 left = 1;
4668
4669         if (xpr->win_y < HEIGHT(win) / 2)
4670                 top = 1;
4671
4672         if (args->id == SWM_ARG_ID_CENTER)
4673                 shape = XC_sizing;
4674         else if (top)
4675                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4676         else
4677                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4678
4679         cursor_font = xcb_generate_id(conn);
4680         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4681
4682         cursor = xcb_generate_id(conn);
4683         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4684             shape, shape + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4685
4686         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
4687             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
4688             XCB_CURRENT_TIME),
4689
4690         xcb_flush(conn);
4691         resizing = 1;
4692         while ((evt = xcb_wait_for_event(conn)) && resizing) {
4693                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4694                 case XCB_BUTTON_RELEASE:
4695                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
4696                         resizing = 0;
4697                         break;
4698                 case XCB_MOTION_NOTIFY:
4699                         mne = (xcb_motion_notify_event_t *)evt;
4700                         /* cursor offset/delta from start of the operation */
4701                         dx = mne->root_x - xpr->root_x;
4702                         dy = mne->root_y - xpr->root_y;
4703
4704                         /* vertical */
4705                         if (top)
4706                                 dy = -dy;
4707
4708                         if (args->id == SWM_ARG_ID_CENTER) {
4709                                 if (g.h / 2 + dy < 1)
4710                                         dy = 1 - g.h / 2;
4711
4712                                 Y(win) = g.y - dy;
4713                                 HEIGHT(win) = g.h + 2 * dy;
4714                         } else {
4715                                 if (g.h + dy < 1)
4716                                         dy = 1 - g.h;
4717
4718                                 if (top)
4719                                         Y(win) = g.y - dy;
4720
4721                                 HEIGHT(win) = g.h + dy;
4722                         }
4723
4724                         /* horizontal */
4725                         if (left)
4726                                 dx = -dx;
4727
4728                         if (args->id == SWM_ARG_ID_CENTER) {
4729                                 if (g.w / 2 + dx < 1)
4730                                         dx = 1 - g.w / 2;
4731
4732                                 X(win) = g.x - dx;
4733                                 WIDTH(win) = g.w + 2 * dx;
4734                         } else {
4735                                 if (g.w + dx < 1)
4736                                         dx = 1 - g.w;
4737
4738                                 if (left)
4739                                         X(win) = g.x - dx;
4740
4741                                 WIDTH(win) = g.w + dx;
4742                         }
4743
4744                         constrain_window(win, r, 1);
4745
4746                         /* not free, don't sync more than 120 times / second */
4747                         if ((mne->time - timestamp) > (1000 / 120) ) {
4748                                 timestamp = mne->time;
4749                                 update_window(win);
4750                                 xcb_flush(conn);
4751                         }
4752                         break;
4753                 default:
4754                         event_handle(evt);
4755                         break;
4756                 }
4757                 free(evt);
4758         }
4759         if (timestamp) {
4760                 update_window(win);
4761                 xcb_flush(conn);
4762         }
4763         store_float_geom(win,r);
4764
4765         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4766         xcb_free_cursor(conn, cursor);
4767         xcb_close_font(conn, cursor_font);
4768         free(xpr);
4769         DNPRINTF(SWM_D_EVENT, "resize: done.\n");
4770 }
4771
4772 void
4773 resize_step(struct swm_region *r, union arg *args)
4774 {
4775         struct ws_win           *win = NULL;
4776
4777         if (r && r->ws && r->ws->focus)
4778                 win = r->ws->focus;
4779         else
4780                 return;
4781
4782         resize(win, args);
4783 }
4784
4785 #define SWM_MOVE_STEPS  (50)
4786
4787 void
4788 move(struct ws_win *win, union arg *args)
4789 {
4790         xcb_timestamp_t         timestamp = 0;
4791         int                     move_step = 0, moving;
4792         struct swm_region       *r = NULL;
4793         xcb_font_t                      cursor_font;
4794         xcb_cursor_t                    cursor;
4795         xcb_query_pointer_reply_t       *qpr;
4796         xcb_generic_event_t             *evt;
4797         xcb_motion_notify_event_t       *mne;
4798
4799         if (win == NULL)
4800                 return;
4801         r = win->ws->r;
4802
4803         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4804                 return;
4805
4806         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
4807             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4808
4809         /* in max_stack mode should only move transients */
4810         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4811                 return;
4812
4813         win->manual = 1;
4814         if (win->floating == 0 && !win->transient) {
4815                 store_float_geom(win, r);
4816                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4817                     _NET_WM_STATE_ADD);
4818         }
4819         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4820             _NET_WM_STATE_ADD);
4821
4822         stack();
4823
4824         focus_flush();
4825
4826         move_step = 0;
4827         switch (args->id) {
4828         case SWM_ARG_ID_MOVELEFT:
4829                 X(win) -= (SWM_MOVE_STEPS - border_width);
4830                 move_step = 1;
4831                 break;
4832         case SWM_ARG_ID_MOVERIGHT:
4833                 X(win) += (SWM_MOVE_STEPS - border_width);
4834                 move_step = 1;
4835                 break;
4836         case SWM_ARG_ID_MOVEUP:
4837                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4838                 move_step = 1;
4839                 break;
4840         case SWM_ARG_ID_MOVEDOWN:
4841                 Y(win) += (SWM_MOVE_STEPS - border_width);
4842                 move_step = 1;
4843                 break;
4844         default:
4845                 break;
4846         }
4847         if (move_step) {
4848                 constrain_window(win, r, 0);
4849                 update_window(win);
4850                 store_float_geom(win, r);
4851                 return;
4852         }
4853
4854         cursor_font = xcb_generate_id(conn);
4855         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4856
4857         cursor = xcb_generate_id(conn);
4858         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4859                 XC_fleur, XC_fleur + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4860
4861         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
4862             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
4863             XCB_WINDOW_NONE, cursor, XCB_CURRENT_TIME);
4864
4865         /* get cursor offset from window root */
4866         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4867                 NULL);
4868         if (!qpr) {
4869                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4870                 xcb_free_cursor(conn, cursor);
4871                 xcb_close_font(conn, cursor_font);
4872                 return;
4873         }
4874
4875         xcb_flush(conn);
4876         moving = 1;
4877         while ((evt = xcb_wait_for_event(conn)) && moving) {
4878                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4879                 case XCB_BUTTON_RELEASE:
4880                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
4881                         moving = 0;
4882                         break;
4883                 case XCB_MOTION_NOTIFY:
4884                         mne = (xcb_motion_notify_event_t *)evt;
4885                         X(win) = mne->root_x - qpr->win_x - border_width;
4886                         Y(win) = mne->root_y - qpr->win_y - border_width;
4887
4888                         constrain_window(win, r, 0);
4889
4890                         /* not free, don't sync more than 120 times / second */
4891                         if ((mne->time - timestamp) > (1000 / 120) ) {
4892                                 timestamp = mne->time;
4893                                 update_window(win);
4894                                 xcb_flush(conn);
4895                         }
4896                         break;
4897                 default:
4898                         event_handle(evt);
4899                         break;
4900                 }
4901                 free(evt);
4902         }
4903         if (timestamp) {
4904                 update_window(win);
4905                 xcb_flush(conn);
4906         }
4907         store_float_geom(win, r);
4908         free(qpr);
4909         xcb_free_cursor(conn, cursor);
4910         xcb_close_font(conn, cursor_font);
4911         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4912         DNPRINTF(SWM_D_EVENT, "move: done.\n");
4913 }
4914
4915 void
4916 move_step(struct swm_region *r, union arg *args)
4917 {
4918         struct ws_win           *win = NULL;
4919
4920         if (r && r->ws && r->ws->focus)
4921                 win = r->ws->focus;
4922         else
4923                 return;
4924
4925         if (!(win->transient != 0 || win->floating != 0))
4926                 return;
4927
4928         move(win, args);
4929 }
4930
4931 /* user/key callable function IDs */
4932 enum keyfuncid {
4933         KF_BAR_TOGGLE,
4934         KF_BUTTON2,
4935         KF_CYCLE_LAYOUT,
4936         KF_FLIP_LAYOUT,
4937         KF_FLOAT_TOGGLE,
4938         KF_FOCUS_MAIN,
4939         KF_FOCUS_NEXT,
4940         KF_FOCUS_PREV,
4941         KF_HEIGHT_GROW,
4942         KF_HEIGHT_SHRINK,
4943         KF_ICONIFY,
4944         KF_MASTER_SHRINK,
4945         KF_MASTER_GROW,
4946         KF_MASTER_ADD,
4947         KF_MASTER_DEL,
4948         KF_MOVE_DOWN,
4949         KF_MOVE_LEFT,
4950         KF_MOVE_RIGHT,
4951         KF_MOVE_UP,
4952         KF_MVWS_1,
4953         KF_MVWS_2,
4954         KF_MVWS_3,
4955         KF_MVWS_4,
4956         KF_MVWS_5,
4957         KF_MVWS_6,
4958         KF_MVWS_7,
4959         KF_MVWS_8,
4960         KF_MVWS_9,
4961         KF_MVWS_10,
4962         KF_MVWS_11,
4963         KF_MVWS_12,
4964         KF_MVWS_13,
4965         KF_MVWS_14,
4966         KF_MVWS_15,
4967         KF_MVWS_16,
4968         KF_MVWS_17,
4969         KF_MVWS_18,
4970         KF_MVWS_19,
4971         KF_MVWS_20,
4972         KF_MVWS_21,
4973         KF_MVWS_22,
4974         KF_NAME_WORKSPACE,
4975         KF_QUIT,
4976         KF_RAISE_TOGGLE,
4977         KF_RESTART,
4978         KF_SCREEN_NEXT,
4979         KF_SCREEN_PREV,
4980         KF_SEARCH_WIN,
4981         KF_SEARCH_WORKSPACE,
4982         KF_SPAWN_CUSTOM,
4983         KF_STACK_INC,
4984         KF_STACK_DEC,
4985         KF_STACK_RESET,
4986         KF_SWAP_MAIN,
4987         KF_SWAP_NEXT,
4988         KF_SWAP_PREV,
4989         KF_UNICONIFY,
4990         KF_VERSION,
4991         KF_WIDTH_GROW,
4992         KF_WIDTH_SHRINK,
4993         KF_WIND_DEL,
4994         KF_WIND_KILL,
4995         KF_WS_1,
4996         KF_WS_2,
4997         KF_WS_3,
4998         KF_WS_4,
4999         KF_WS_5,
5000         KF_WS_6,
5001         KF_WS_7,
5002         KF_WS_8,
5003         KF_WS_9,
5004         KF_WS_10,
5005         KF_WS_11,
5006         KF_WS_12,
5007         KF_WS_13,
5008         KF_WS_14,
5009         KF_WS_15,
5010         KF_WS_16,
5011         KF_WS_17,
5012         KF_WS_18,
5013         KF_WS_19,
5014         KF_WS_20,
5015         KF_WS_21,
5016         KF_WS_22,
5017         KF_WS_NEXT,
5018         KF_WS_NEXT_ALL,
5019         KF_WS_PREV,
5020         KF_WS_PREV_ALL,
5021         KF_WS_PRIOR,
5022         KF_DUMPWINS, /* MUST BE LAST */
5023         KF_INVALID
5024 };
5025
5026 /* key definitions */
5027 struct keyfunc {
5028         char                    name[SWM_FUNCNAME_LEN];
5029         void                    (*func)(struct swm_region *r, union arg *);
5030         union arg               args;
5031 } keyfuncs[KF_INVALID + 1] = {
5032         /* name                 function        argument */
5033         { "bar_toggle",         bar_toggle,     {0} },
5034         { "button2",            pressbutton,    {2} },
5035         { "cycle_layout",       cycle_layout,   {0} },
5036         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
5037         { "float_toggle",       floating_toggle,{0} },
5038         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
5039         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
5040         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
5041         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
5042         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
5043         { "iconify",            iconify,        {0} },
5044         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
5045         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
5046         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
5047         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
5048         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
5049         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
5050         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
5051         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
5052         { "mvws_1",             send_to_ws,     {.id = 0} },
5053         { "mvws_2",             send_to_ws,     {.id = 1} },
5054         { "mvws_3",             send_to_ws,     {.id = 2} },
5055         { "mvws_4",             send_to_ws,     {.id = 3} },
5056         { "mvws_5",             send_to_ws,     {.id = 4} },
5057         { "mvws_6",             send_to_ws,     {.id = 5} },
5058         { "mvws_7",             send_to_ws,     {.id = 6} },
5059         { "mvws_8",             send_to_ws,     {.id = 7} },
5060         { "mvws_9",             send_to_ws,     {.id = 8} },
5061         { "mvws_10",            send_to_ws,     {.id = 9} },
5062         { "mvws_11",            send_to_ws,     {.id = 10} },
5063         { "mvws_12",            send_to_ws,     {.id = 11} },
5064         { "mvws_13",            send_to_ws,     {.id = 12} },
5065         { "mvws_14",            send_to_ws,     {.id = 13} },
5066         { "mvws_15",            send_to_ws,     {.id = 14} },
5067         { "mvws_16",            send_to_ws,     {.id = 15} },
5068         { "mvws_17",            send_to_ws,     {.id = 16} },
5069         { "mvws_18",            send_to_ws,     {.id = 17} },
5070         { "mvws_19",            send_to_ws,     {.id = 18} },
5071         { "mvws_20",            send_to_ws,     {.id = 19} },
5072         { "mvws_21",            send_to_ws,     {.id = 20} },
5073         { "mvws_22",            send_to_ws,     {.id = 21} },
5074         { "name_workspace",     name_workspace, {0} },
5075         { "quit",               quit,           {0} },
5076         { "raise_toggle",       raise_toggle,   {0} },
5077         { "restart",            restart,        {0} },
5078         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
5079         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
5080         { "search_win",         search_win,     {0} },
5081         { "search_workspace",   search_workspace,       {0} },
5082         { "spawn_custom",       NULL,           {0} },
5083         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
5084         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
5085         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
5086         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
5087         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
5088         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
5089         { "uniconify",          uniconify,      {0} },
5090         { "version",            version,        {0} },
5091         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
5092         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
5093         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
5094         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
5095         { "ws_1",               switchws,       {.id = 0} },
5096         { "ws_2",               switchws,       {.id = 1} },
5097         { "ws_3",               switchws,       {.id = 2} },
5098         { "ws_4",               switchws,       {.id = 3} },
5099         { "ws_5",               switchws,       {.id = 4} },
5100         { "ws_6",               switchws,       {.id = 5} },
5101         { "ws_7",               switchws,       {.id = 6} },
5102         { "ws_8",               switchws,       {.id = 7} },
5103         { "ws_9",               switchws,       {.id = 8} },
5104         { "ws_10",              switchws,       {.id = 9} },
5105         { "ws_11",              switchws,       {.id = 10} },
5106         { "ws_12",              switchws,       {.id = 11} },
5107         { "ws_13",              switchws,       {.id = 12} },
5108         { "ws_14",              switchws,       {.id = 13} },
5109         { "ws_15",              switchws,       {.id = 14} },
5110         { "ws_16",              switchws,       {.id = 15} },
5111         { "ws_17",              switchws,       {.id = 16} },
5112         { "ws_18",              switchws,       {.id = 17} },
5113         { "ws_19",              switchws,       {.id = 18} },
5114         { "ws_20",              switchws,       {.id = 19} },
5115         { "ws_21",              switchws,       {.id = 20} },
5116         { "ws_22",              switchws,       {.id = 21} },
5117         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
5118         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
5119         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
5120         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
5121         { "ws_prior",           priorws,        {0} },
5122         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
5123         { "invalid key func",   NULL,           {0} },
5124 };
5125 struct key {
5126         RB_ENTRY(key)           entry;
5127         unsigned int            mod;
5128         KeySym                  keysym;
5129         enum keyfuncid          funcid;
5130         char                    *spawn_name;
5131 };
5132 RB_HEAD(key_tree, key);
5133
5134 int
5135 key_cmp(struct key *kp1, struct key *kp2)
5136 {
5137         if (kp1->keysym < kp2->keysym)
5138                 return (-1);
5139         if (kp1->keysym > kp2->keysym)
5140                 return (1);
5141
5142         if (kp1->mod < kp2->mod)
5143                 return (-1);
5144         if (kp1->mod > kp2->mod)
5145                 return (1);
5146
5147         return (0);
5148 }
5149
5150 RB_GENERATE(key_tree, key, entry, key_cmp);
5151 struct key_tree                 keys;
5152
5153 /* mouse */
5154 enum { client_click, root_click };
5155 struct button {
5156         unsigned int            action;
5157         unsigned int            mask;
5158         unsigned int            button;
5159         void                    (*func)(struct ws_win *, union arg *);
5160         union arg               args;
5161 } buttons[] = {
5162 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
5163           /* action     key             mouse button    func    args */
5164         { client_click, MODKEY,         XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_DONTCENTER} },
5165         { client_click, MODKEY_SHIFT,   XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_CENTER} },
5166         { client_click, MODKEY,         XCB_BUTTON_INDEX_1,     move,   {0} },
5167 #undef MODKEY_SHIFT
5168 };
5169
5170 void
5171 update_modkey(unsigned int mod)
5172 {
5173         int                     i;
5174         struct key              *kp;
5175
5176         mod_key = mod;
5177         RB_FOREACH(kp, key_tree, &keys)
5178                 if (kp->mod & XCB_MOD_MASK_SHIFT)
5179                         kp->mod = mod | XCB_MOD_MASK_SHIFT;
5180                 else
5181                         kp->mod = mod;
5182
5183         for (i = 0; i < LENGTH(buttons); i++)
5184                 if (buttons[i].mask & XCB_MOD_MASK_SHIFT)
5185                         buttons[i].mask = mod | XCB_MOD_MASK_SHIFT;
5186                 else
5187                         buttons[i].mask = mod;
5188 }
5189
5190 /* spawn */
5191 struct spawn_prog {
5192         TAILQ_ENTRY(spawn_prog) entry;
5193         char                    *name;
5194         int                     argc;
5195         char                    **argv;
5196 };
5197 TAILQ_HEAD(spawn_list, spawn_prog);
5198 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
5199
5200 int
5201 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
5202     char ***ret_args)
5203 {
5204         struct spawn_prog       *prog = NULL;
5205         int                     i;
5206         char                    *ap, **real_args;
5207
5208         /* suppress unused warning since var is needed */
5209         (void)args;
5210
5211         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
5212
5213         /* find program */
5214         TAILQ_FOREACH(prog, &spawns, entry) {
5215                 if (!strcasecmp(spawn_name, prog->name))
5216                         break;
5217         }
5218         if (prog == NULL) {
5219                 warnx("spawn_custom: program %s not found", spawn_name);
5220                 return (-1);
5221         }
5222
5223         /* make room for expanded args */
5224         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
5225                 err(1, "spawn_custom: calloc real_args");
5226
5227         /* expand spawn_args into real_args */
5228         for (i = 0; i < prog->argc; i++) {
5229                 ap = prog->argv[i];
5230                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
5231                 if (!strcasecmp(ap, "$bar_border")) {
5232                         if ((real_args[i] =
5233                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
5234                             == NULL)
5235                                 err(1,  "spawn_custom border color");
5236                 } else if (!strcasecmp(ap, "$bar_color")) {
5237                         if ((real_args[i] =
5238                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
5239                             == NULL)
5240                                 err(1, "spawn_custom bar color");
5241                 } else if (!strcasecmp(ap, "$bar_font")) {
5242                         if ((real_args[i] = strdup(bar_fonts))
5243                             == NULL)
5244                                 err(1, "spawn_custom bar fonts");
5245                 } else if (!strcasecmp(ap, "$bar_font_color")) {
5246                         if ((real_args[i] =
5247                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
5248                             == NULL)
5249                                 err(1, "spawn_custom color font");
5250                 } else if (!strcasecmp(ap, "$color_focus")) {
5251                         if ((real_args[i] =
5252                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
5253                             == NULL)
5254                                 err(1, "spawn_custom color focus");
5255                 } else if (!strcasecmp(ap, "$color_unfocus")) {
5256                         if ((real_args[i] =
5257                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
5258                             == NULL)
5259                                 err(1, "spawn_custom color unfocus");
5260                 } else {
5261                         /* no match --> copy as is */
5262                         if ((real_args[i] = strdup(ap)) == NULL)
5263                                 err(1, "spawn_custom strdup(ap)");
5264                 }
5265                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
5266                     real_args[i]);
5267         }
5268
5269 #ifdef SWM_DEBUG
5270         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
5271         for (i = 0; i < prog->argc; i++)
5272                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
5273         DNPRINTF(SWM_D_SPAWN, "\n");
5274 #endif
5275         *ret_args = real_args;
5276         return (prog->argc);
5277 }
5278
5279 void
5280 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
5281 {
5282         union arg               a;
5283         char                    **real_args;
5284         int                     spawn_argc, i;
5285
5286         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5287                 return;
5288         a.argv = real_args;
5289         if (fork() == 0)
5290                 spawn(r->ws->idx, &a, 1);
5291
5292         for (i = 0; i < spawn_argc; i++)
5293                 free(real_args[i]);
5294         free(real_args);
5295 }
5296
5297 void
5298 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
5299 {
5300         union arg               a;
5301         char                    **real_args;
5302         int                     i, spawn_argc;
5303
5304         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
5305                 return;
5306         a.argv = real_args;
5307
5308         if (pipe(select_list_pipe) == -1)
5309                 err(1, "pipe error");
5310         if (pipe(select_resp_pipe) == -1)
5311                 err(1, "pipe error");
5312
5313         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
5314                 err(1, "could not disable SIGPIPE");
5315         switch (*pid = fork()) {
5316         case -1:
5317                 err(1, "cannot fork");
5318                 break;
5319         case 0: /* child */
5320                 if (dup2(select_list_pipe[0], 0) == -1)
5321                         err(1, "dup2");
5322                 if (dup2(select_resp_pipe[1], 1) == -1)
5323                         err(1, "dup2");
5324                 close(select_list_pipe[1]);
5325                 close(select_resp_pipe[0]);
5326                 spawn(r->ws->idx, &a, 0);
5327                 break;
5328         default: /* parent */
5329                 close(select_list_pipe[0]);
5330                 close(select_resp_pipe[1]);
5331                 break;
5332         }
5333
5334         for (i = 0; i < spawn_argc; i++)
5335                 free(real_args[i]);
5336         free(real_args);
5337 }
5338
5339 void
5340 spawn_insert(char *name, char *args)
5341 {
5342         char                    *arg, *cp, *ptr;
5343         struct spawn_prog       *sp;
5344
5345         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
5346
5347         if ((sp = calloc(1, sizeof *sp)) == NULL)
5348                 err(1, "spawn_insert: calloc");
5349         if ((sp->name = strdup(name)) == NULL)
5350                 err(1, "spawn_insert: strdup");
5351
5352         /* convert the arguments to an argument list */
5353         if ((ptr = cp = strdup(args)) == NULL)
5354                 err(1, "spawn_insert: strdup");
5355         while ((arg = strsep(&ptr, " \t")) != NULL) {
5356                 /* empty field; skip it */
5357                 if (*arg == '\0')
5358                         continue;
5359
5360                 sp->argc++;
5361                 if ((sp->argv = realloc(sp->argv, sp->argc *
5362                     sizeof *sp->argv)) == NULL)
5363                         err(1, "spawn_insert: realloc");
5364                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
5365                         err(1, "spawn_insert: strdup");
5366         }
5367         free(cp);
5368
5369         TAILQ_INSERT_TAIL(&spawns, sp, entry);
5370         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5371 }
5372
5373 void
5374 spawn_remove(struct spawn_prog *sp)
5375 {
5376         int                     i;
5377
5378         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5379
5380         TAILQ_REMOVE(&spawns, sp, entry);
5381         for (i = 0; i < sp->argc; i++)
5382                 free(sp->argv[i]);
5383         free(sp->argv);
5384         free(sp->name);
5385         free(sp);
5386
5387         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5388 }
5389
5390 void
5391 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5392 {
5393         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5394
5395         spawn_remove(sp);
5396         spawn_insert(name, args);
5397
5398         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5399 }
5400
5401 void
5402 setspawn(char *name, char *args)
5403 {
5404         struct spawn_prog       *sp;
5405
5406         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5407
5408         if (name == NULL)
5409                 return;
5410
5411         TAILQ_FOREACH(sp, &spawns, entry) {
5412                 if (!strcmp(sp->name, name)) {
5413                         if (*args == '\0')
5414                                 spawn_remove(sp);
5415                         else
5416                                 spawn_replace(sp, name, args);
5417                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5418                         return;
5419                 }
5420         }
5421         if (*args == '\0') {
5422                 warnx("error: setspawn: cannot find program: %s", name);
5423                 return;
5424         }
5425
5426         spawn_insert(name, args);
5427         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5428 }
5429
5430 int
5431 setconfspawn(char *selector, char *value, int flags)
5432 {
5433         char *args;
5434
5435         /* suppress unused warning since var is needed */
5436         (void)flags;
5437
5438         args = expand_tilde(value);
5439
5440         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, args);
5441
5442         setspawn(selector, args);
5443         free(args);
5444
5445         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done.\n");
5446         return (0);
5447 }
5448
5449 void
5450 setup_spawn(void)
5451 {
5452         setconfspawn("term",            "xterm",                0);
5453         setconfspawn("spawn_term",      "xterm",                0);
5454         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5455         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5456         setconfspawn("lock",            "xlock",                0);
5457         setconfspawn("initscr",         "initscreen.sh",        0);
5458         setconfspawn("menu",            "dmenu_run"
5459                                         " -fn $bar_font"
5460                                         " -nb $bar_color"
5461                                         " -nf $bar_font_color"
5462                                         " -sb $bar_border"
5463                                         " -sf $bar_color",      0);
5464         setconfspawn("search",          "dmenu"
5465                                         " -i"
5466                                         " -fn $bar_font"
5467                                         " -nb $bar_color"
5468                                         " -nf $bar_font_color"
5469                                         " -sb $bar_border"
5470                                         " -sf $bar_color",      0);
5471         setconfspawn("name_workspace",  "dmenu"
5472                                         " -p Workspace"
5473                                         " -fn $bar_font"
5474                                         " -nb $bar_color"
5475                                         " -nf $bar_font_color"
5476                                         " -sb $bar_border"
5477                                         " -sf $bar_color",      0);
5478 }
5479
5480 /* key bindings */
5481 #define SWM_MODNAME_SIZE        32
5482 #define SWM_KEY_WS              "\n+ \t"
5483 int
5484 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5485 {
5486         char                    *cp, *name;
5487         KeySym                  uks;
5488         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5489         if (mod == NULL || ks == NULL) {
5490                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5491                 return (1);
5492         }
5493         if (keystr == NULL || strlen(keystr) == 0) {
5494                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5495                 return (1);
5496         }
5497         cp = keystr;
5498         *ks = XCB_NO_SYMBOL;
5499         *mod = 0;
5500         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5501                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5502                 if (cp)
5503                         cp += (long)strspn(cp, SWM_KEY_WS);
5504                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5505                         *mod |= currmod;
5506                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5507                         *mod |= XCB_MOD_MASK_1;
5508                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5509                         *mod += XCB_MOD_MASK_2;
5510                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5511                         *mod |= XCB_MOD_MASK_3;
5512                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5513                         *mod |= XCB_MOD_MASK_4;
5514                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5515                         *mod |= XCB_MOD_MASK_SHIFT;
5516                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5517                         *mod |= XCB_MOD_MASK_CONTROL;
5518                 else {
5519                         *ks = XStringToKeysym(name);
5520                         XConvertCase(*ks, ks, &uks);
5521                         if (ks == XCB_NO_SYMBOL) {
5522                                 DNPRINTF(SWM_D_KEY,
5523                                     "parsekeys: invalid key %s\n",
5524                                     name);
5525                                 return (1);
5526                         }
5527                 }
5528         }
5529         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5530         return (0);
5531 }
5532
5533 char *
5534 strdupsafe(char *str)
5535 {
5536         if (str == NULL)
5537                 return (NULL);
5538         else
5539                 return (strdup(str));
5540 }
5541
5542 void
5543 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5544 {
5545         struct key              *kp;
5546
5547         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5548             keyfuncs[kfid].name, spawn_name);
5549
5550         if ((kp = malloc(sizeof *kp)) == NULL)
5551                 err(1, "key_insert: malloc");
5552
5553         kp->mod = mod;
5554         kp->keysym = ks;
5555         kp->funcid = kfid;
5556         kp->spawn_name = strdupsafe(spawn_name);
5557         RB_INSERT(key_tree, &keys, kp);
5558
5559         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5560 }
5561
5562 struct key *
5563 key_lookup(unsigned int mod, KeySym ks)
5564 {
5565         struct key              kp;
5566
5567         kp.keysym = ks;
5568         kp.mod = mod;
5569
5570         return (RB_FIND(key_tree, &keys, &kp));
5571 }
5572
5573 void
5574 key_remove(struct key *kp)
5575 {
5576         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5577
5578         RB_REMOVE(key_tree, &keys, kp);
5579         free(kp->spawn_name);
5580         free(kp);
5581
5582         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5583 }
5584
5585 void
5586 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5587     char *spawn_name)
5588 {
5589         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5590             spawn_name);
5591
5592         key_remove(kp);
5593         key_insert(mod, ks, kfid, spawn_name);
5594
5595         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5596 }
5597
5598 void
5599 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5600     char *spawn_name)
5601 {
5602         struct key              *kp;
5603
5604         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5605             keyfuncs[kfid].name, spawn_name);
5606
5607         if ((kp = key_lookup(mod, ks)) != NULL) {
5608                 if (kfid == KF_INVALID)
5609                         key_remove(kp);
5610                 else
5611                         key_replace(kp, mod, ks, kfid, spawn_name);
5612                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5613                 return;
5614         }
5615         if (kfid == KF_INVALID) {
5616                 warnx("error: setkeybinding: cannot find mod/key combination");
5617                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5618                 return;
5619         }
5620
5621         key_insert(mod, ks, kfid, spawn_name);
5622         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5623 }
5624
5625 int
5626 setconfbinding(char *selector, char *value, int flags)
5627 {
5628         enum keyfuncid          kfid;
5629         unsigned int            mod;
5630         KeySym                  ks;
5631         struct spawn_prog       *sp;
5632
5633         /* suppress unused warning since var is needed */
5634         (void)flags;
5635
5636         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5637         if (selector == NULL) {
5638                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5639                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5640                         kfid = KF_INVALID;
5641                         setkeybinding(mod, ks, kfid, NULL);
5642                         return (0);
5643                 } else
5644                         return (1);
5645         }
5646         /* search by key function name */
5647         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
5648                 if (strncasecmp(selector, keyfuncs[kfid].name,
5649                     SWM_FUNCNAME_LEN) == 0) {
5650                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5651                             selector);
5652                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5653                                 setkeybinding(mod, ks, kfid, NULL);
5654                                 return (0);
5655                         } else
5656                                 return (1);
5657                 }
5658         }
5659         /* search by custom spawn name */
5660         TAILQ_FOREACH(sp, &spawns, entry) {
5661                 if (strcasecmp(selector, sp->name) == 0) {
5662                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5663                             selector);
5664                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5665                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
5666                                     sp->name);
5667                                 return (0);
5668                         } else
5669                                 return (1);
5670                 }
5671         }
5672         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5673         return (1);
5674 }
5675
5676 void
5677 setup_keys(void)
5678 {
5679 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
5680         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
5681         setkeybinding(MODKEY_SHIFT,     XK_backslash,   KF_FLIP_LAYOUT, NULL);
5682         setkeybinding(MODKEY_SHIFT,     XK_space,       KF_STACK_RESET, NULL);
5683         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
5684         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
5685         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
5686         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
5687         setkeybinding(MODKEY_SHIFT,     XK_comma,       KF_STACK_INC,   NULL);
5688         setkeybinding(MODKEY_SHIFT,     XK_period,      KF_STACK_DEC,   NULL);
5689         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
5690         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
5691         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
5692         setkeybinding(MODKEY_SHIFT,     XK_j,           KF_SWAP_NEXT,   NULL);
5693         setkeybinding(MODKEY_SHIFT,     XK_k,           KF_SWAP_PREV,   NULL);
5694         setkeybinding(MODKEY_SHIFT,     XK_Return,      KF_SPAWN_CUSTOM,"term");
5695         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
5696         setkeybinding(MODKEY_SHIFT,     XK_q,           KF_QUIT,        NULL);
5697         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
5698         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
5699         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
5700         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
5701         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
5702         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
5703         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
5704         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
5705         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
5706         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
5707         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
5708         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
5709         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
5710         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
5711         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
5712         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
5713         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
5714         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
5715         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
5716         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
5717         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
5718         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
5719         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
5720         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
5721         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
5722         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
5723         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
5724         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
5725         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
5726         setkeybinding(MODKEY_SHIFT,     XK_Right,       KF_SCREEN_NEXT, NULL);
5727         setkeybinding(MODKEY_SHIFT,     XK_Left,        KF_SCREEN_PREV, NULL);
5728         setkeybinding(MODKEY_SHIFT,     XK_1,           KF_MVWS_1,      NULL);
5729         setkeybinding(MODKEY_SHIFT,     XK_2,           KF_MVWS_2,      NULL);
5730         setkeybinding(MODKEY_SHIFT,     XK_3,           KF_MVWS_3,      NULL);
5731         setkeybinding(MODKEY_SHIFT,     XK_4,           KF_MVWS_4,      NULL);
5732         setkeybinding(MODKEY_SHIFT,     XK_5,           KF_MVWS_5,      NULL);
5733         setkeybinding(MODKEY_SHIFT,     XK_6,           KF_MVWS_6,      NULL);
5734         setkeybinding(MODKEY_SHIFT,     XK_7,           KF_MVWS_7,      NULL);
5735         setkeybinding(MODKEY_SHIFT,     XK_8,           KF_MVWS_8,      NULL);
5736         setkeybinding(MODKEY_SHIFT,     XK_9,           KF_MVWS_9,      NULL);
5737         setkeybinding(MODKEY_SHIFT,     XK_0,           KF_MVWS_10,     NULL);
5738         setkeybinding(MODKEY_SHIFT,     XK_F1,          KF_MVWS_11,     NULL);
5739         setkeybinding(MODKEY_SHIFT,     XK_F2,          KF_MVWS_12,     NULL);
5740         setkeybinding(MODKEY_SHIFT,     XK_F3,          KF_MVWS_13,     NULL);
5741         setkeybinding(MODKEY_SHIFT,     XK_F4,          KF_MVWS_14,     NULL);
5742         setkeybinding(MODKEY_SHIFT,     XK_F5,          KF_MVWS_15,     NULL);
5743         setkeybinding(MODKEY_SHIFT,     XK_F6,          KF_MVWS_16,     NULL);
5744         setkeybinding(MODKEY_SHIFT,     XK_F7,          KF_MVWS_17,     NULL);
5745         setkeybinding(MODKEY_SHIFT,     XK_F8,          KF_MVWS_18,     NULL);
5746         setkeybinding(MODKEY_SHIFT,     XK_F9,          KF_MVWS_19,     NULL);
5747         setkeybinding(MODKEY_SHIFT,     XK_F10,         KF_MVWS_20,     NULL);
5748         setkeybinding(MODKEY_SHIFT,     XK_F11,         KF_MVWS_21,     NULL);
5749         setkeybinding(MODKEY_SHIFT,     XK_F12,         KF_MVWS_22,     NULL);
5750         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
5751         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
5752         setkeybinding(MODKEY_SHIFT,     XK_Tab,         KF_FOCUS_PREV,  NULL);
5753         setkeybinding(MODKEY_SHIFT,     XK_x,           KF_WIND_KILL,   NULL);
5754         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
5755         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
5756         setkeybinding(MODKEY_SHIFT,     XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
5757         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
5758         setkeybinding(MODKEY_SHIFT,     XK_v,           KF_VERSION,     NULL);
5759         setkeybinding(MODKEY_SHIFT,     XK_Delete,      KF_SPAWN_CUSTOM,"lock");
5760         setkeybinding(MODKEY_SHIFT,     XK_i,           KF_SPAWN_CUSTOM,"initscr");
5761         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
5762         setkeybinding(MODKEY_SHIFT,     XK_w,           KF_UNICONIFY,   NULL);
5763         setkeybinding(MODKEY_SHIFT,     XK_r,           KF_RAISE_TOGGLE,NULL);
5764         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
5765         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
5766         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
5767         setkeybinding(MODKEY_SHIFT,     XK_equal,       KF_HEIGHT_GROW,NULL);
5768         setkeybinding(MODKEY_SHIFT,     XK_minus,       KF_HEIGHT_SHRINK,NULL);
5769         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
5770         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
5771         setkeybinding(MODKEY_SHIFT,     XK_bracketleft, KF_MOVE_UP,     NULL);
5772         setkeybinding(MODKEY_SHIFT,     XK_bracketright,KF_MOVE_DOWN,NULL);
5773         setkeybinding(MODKEY_SHIFT,     XK_slash,       KF_NAME_WORKSPACE,NULL);
5774         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
5775         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
5776 #ifdef SWM_DEBUG
5777         setkeybinding(MODKEY_SHIFT,     XK_d,           KF_DUMPWINS,    NULL);
5778 #endif
5779 #undef MODKEY_SHIFT
5780 }
5781
5782 void
5783 clear_keys(void)
5784 {
5785         struct key              *kp;
5786
5787         while (RB_EMPTY(&keys) == 0) {
5788                 kp = RB_ROOT(&keys);
5789                 key_remove(kp);
5790         }
5791 }
5792
5793 int
5794 setkeymapping(char *selector, char *value, int flags)
5795 {
5796         char                    keymapping_file[PATH_MAX];
5797
5798         /* suppress unused warnings since vars are needed */
5799         (void)selector;
5800         (void)flags;
5801
5802         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5803         if (value[0] == '~')
5804                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5805                     pwd->pw_dir, &value[1]);
5806         else
5807                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5808         clear_keys();
5809         /* load new key bindings; if it fails, revert to default bindings */
5810         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5811                 clear_keys();
5812                 setup_keys();
5813         }
5814         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5815         return (0);
5816 }
5817
5818 void
5819 updatenumlockmask(void)
5820 {
5821         unsigned int                            i, j;
5822         xcb_get_modifier_mapping_reply_t        *modmap_r;
5823         xcb_keycode_t                           *modmap, kc, *keycode;
5824
5825         numlockmask = 0;
5826
5827         modmap_r = xcb_get_modifier_mapping_reply(conn,
5828             xcb_get_modifier_mapping(conn),
5829             NULL);
5830         if (modmap_r) {
5831                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
5832                 for (i = 0; i < 8; i++) {
5833                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
5834                                 kc = modmap[i * modmap_r->keycodes_per_modifier
5835                                     + j];
5836                                 keycode = xcb_key_symbols_get_keycode(syms,
5837                                                 XK_Num_Lock);
5838                                 if (kc == *keycode)
5839                                         numlockmask = (1 << i);
5840                                 free(keycode);
5841                         }
5842                 }
5843                 free(modmap_r);
5844         }
5845         DNPRINTF(SWM_D_MISC, "updatenumlockmask: %d\n", numlockmask);
5846 }
5847
5848 void
5849 grabkeys(void)
5850 {
5851         struct key              *kp;
5852         int                     num_screens, k, j;
5853         unsigned int            modifiers[3];
5854         xcb_keycode_t           *code;
5855
5856         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5857         updatenumlockmask();
5858
5859         modifiers[0] = 0;
5860         modifiers[1] = numlockmask;
5861         modifiers[2] = numlockmask | XCB_MOD_MASK_LOCK;
5862
5863         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5864         for (k = 0; k < num_screens; k++) {
5865                 if (TAILQ_EMPTY(&screens[k].rl))
5866                         continue;
5867                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5868                         XCB_MOD_MASK_ANY);
5869                 RB_FOREACH(kp, key_tree, &keys) {
5870                         if ((code = xcb_key_symbols_get_keycode(syms,
5871                                         kp->keysym))) {
5872                                 for (j = 0; j < LENGTH(modifiers); j++)
5873                                         xcb_grab_key(conn, 1,
5874                                             screens[k].root,
5875                                             kp->mod | modifiers[j],
5876                                             *code, XCB_GRAB_MODE_SYNC,
5877                                             XCB_GRAB_MODE_ASYNC);
5878                                 free(code);
5879                         }
5880                 }
5881         }
5882 }
5883
5884 void
5885 grabbuttons(struct ws_win *win)
5886 {
5887         int             i;
5888
5889         DNPRINTF(SWM_D_MOUSE, "grabbuttons: win 0x%x\n", win->id);
5890
5891         for (i = 0; i < LENGTH(buttons); i++)
5892                 if (buttons[i].action == client_click)
5893                         xcb_grab_button(conn, 0, win->id, BUTTONMASK,
5894                             XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC,
5895                             XCB_WINDOW_NONE, XCB_CURSOR_NONE,
5896                             buttons[i].button, buttons[i].mask);
5897
5898         /* click to focus */
5899         xcb_grab_button(conn, 0, win->id, BUTTONMASK, XCB_GRAB_MODE_SYNC,
5900             XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, XCB_CURSOR_NONE,
5901             XCB_BUTTON_INDEX_1, XCB_BUTTON_MASK_ANY);
5902 }
5903
5904 const char *quirkname[] = {
5905         "NONE",         /* config string for "no value" */
5906         "FLOAT",
5907         "TRANSSZ",
5908         "ANYWHERE",
5909         "XTERM_FONTADJ",
5910         "FULLSCREEN",
5911         "FOCUSPREV",
5912 };
5913
5914 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5915 #define SWM_Q_WS                "\n|+ \t"
5916 int
5917 parsequirks(char *qstr, unsigned long *quirk)
5918 {
5919         char                    *cp, *name;
5920         int                     i;
5921
5922         if (quirk == NULL)
5923                 return (1);
5924
5925         cp = qstr;
5926         *quirk = 0;
5927         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5928                 if (cp)
5929                         cp += (long)strspn(cp, SWM_Q_WS);
5930                 for (i = 0; i < LENGTH(quirkname); i++) {
5931                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5932                                 DNPRINTF(SWM_D_QUIRK,
5933                                     "parsequirks: %s\n", name);
5934                                 if (i == 0) {
5935                                         *quirk = 0;
5936                                         return (0);
5937                                 }
5938                                 *quirk |= 1 << (i-1);
5939                                 break;
5940                         }
5941                 }
5942                 if (i >= LENGTH(quirkname)) {
5943                         DNPRINTF(SWM_D_QUIRK,
5944                             "parsequirks: invalid quirk [%s]\n", name);
5945                         return (1);
5946                 }
5947         }
5948         return (0);
5949 }
5950
5951 void
5952 quirk_insert(const char *class, const char *name, unsigned long quirk)
5953 {
5954         struct quirk            *qp;
5955
5956         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5957             quirk);
5958
5959         if ((qp = malloc(sizeof *qp)) == NULL)
5960                 err(1, "quirk_insert: malloc");
5961         if ((qp->class = strdup(class)) == NULL)
5962                 err(1, "quirk_insert: strdup");
5963         if ((qp->name = strdup(name)) == NULL)
5964                 err(1, "quirk_insert: strdup");
5965
5966         qp->quirk = quirk;
5967         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5968
5969         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5970 }
5971
5972 void
5973 quirk_remove(struct quirk *qp)
5974 {
5975         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5976             qp->name, qp->quirk);
5977
5978         TAILQ_REMOVE(&quirks, qp, entry);
5979         free(qp->class);
5980         free(qp->name);
5981         free(qp);
5982
5983         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5984 }
5985
5986 void
5987 quirk_replace(struct quirk *qp, const char *class, const char *name,
5988     unsigned long quirk)
5989 {
5990         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5991             qp->name, qp->quirk);
5992
5993         quirk_remove(qp);
5994         quirk_insert(class, name, quirk);
5995
5996         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5997 }
5998
5999 void
6000 setquirk(const char *class, const char *name, unsigned long quirk)
6001 {
6002         struct quirk            *qp;
6003
6004         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
6005            quirk);
6006
6007         TAILQ_FOREACH(qp, &quirks, entry) {
6008                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
6009                         if (!quirk)
6010                                 quirk_remove(qp);
6011                         else
6012                                 quirk_replace(qp, class, name, quirk);
6013                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6014                         return;
6015                 }
6016         }
6017         if (!quirk) {
6018                 warnx("error: setquirk: cannot find class/name combination");
6019                 return;
6020         }
6021
6022         quirk_insert(class, name, quirk);
6023         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6024 }
6025
6026 int
6027 setconfquirk(char *selector, char *value, int flags)
6028 {
6029         char                    *cp, *class, *name;
6030         int                     retval;
6031         unsigned long           qrks;
6032
6033         /* suppress unused warning since var is needed */
6034         (void)flags;
6035
6036         if (selector == NULL)
6037                 return (0);
6038         if ((cp = strchr(selector, ':')) == NULL)
6039                 return (0);
6040         *cp = '\0';
6041         class = selector;
6042         name = cp + 1;
6043         if ((retval = parsequirks(value, &qrks)) == 0)
6044                 setquirk(class, name, qrks);
6045         return (retval);
6046 }
6047
6048 void
6049 setup_quirks(void)
6050 {
6051         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
6052         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
6053         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
6054         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
6055         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6056         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
6057         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6058         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6059         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6060         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
6061         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
6062         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
6063         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
6064 }
6065
6066 /* conf file stuff */
6067 #define SWM_CONF_FILE           "spectrwm.conf"
6068 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
6069
6070 enum {
6071         SWM_S_BAR_ACTION,
6072         SWM_S_BAR_AT_BOTTOM,
6073         SWM_S_BAR_BORDER_WIDTH,
6074         SWM_S_BAR_DELAY,
6075         SWM_S_BAR_ENABLED,
6076         SWM_S_BAR_FONT,
6077         SWM_S_BAR_FORMAT,
6078         SWM_S_BAR_JUSTIFY,
6079         SWM_S_BORDER_WIDTH,
6080         SWM_S_CLOCK_ENABLED,
6081         SWM_S_CLOCK_FORMAT,
6082         SWM_S_CYCLE_EMPTY,
6083         SWM_S_CYCLE_VISIBLE,
6084         SWM_S_DIALOG_RATIO,
6085         SWM_S_DISABLE_BORDER,
6086         SWM_S_FOCUS_CLOSE,
6087         SWM_S_FOCUS_CLOSE_WRAP,
6088         SWM_S_FOCUS_DEFAULT,
6089         SWM_S_FOCUS_MODE,
6090         SWM_S_SPAWN_ORDER,
6091         SWM_S_SPAWN_TERM,
6092         SWM_S_SS_APP,
6093         SWM_S_SS_ENABLED,
6094         SWM_S_STACK_ENABLED,
6095         SWM_S_TERM_WIDTH,
6096         SWM_S_TITLE_CLASS_ENABLED,
6097         SWM_S_TITLE_NAME_ENABLED,
6098         SWM_S_URGENT_ENABLED,
6099         SWM_S_VERBOSE_LAYOUT,
6100         SWM_S_WINDOW_NAME_ENABLED,
6101         SWM_S_WORKSPACE_LIMIT
6102 };
6103
6104 int
6105 setconfvalue(char *selector, char *value, int flags)
6106 {
6107         int     i;
6108         char    *b;
6109
6110         /* suppress unused warning since var is needed */
6111         (void)selector;
6112
6113         switch (flags) {
6114         case SWM_S_BAR_ACTION:
6115                 free(bar_argv[0]);
6116                 if ((bar_argv[0] = expand_tilde(value)) == NULL)
6117                         err(1, "setconfvalue: bar_action");
6118                 break;
6119         case SWM_S_BAR_AT_BOTTOM:
6120                 bar_at_bottom = atoi(value);
6121                 break;
6122         case SWM_S_BAR_BORDER_WIDTH:
6123                 bar_border_width = atoi(value);
6124                 if (bar_border_width < 0)
6125                         bar_border_width = 0;
6126                 break;
6127         case SWM_S_BAR_DELAY:
6128                 bar_delay = atoi(value);
6129                 break;
6130         case SWM_S_BAR_ENABLED:
6131                 bar_enabled = atoi(value);
6132                 break;
6133         case SWM_S_BAR_FONT:
6134                 b = bar_fonts;
6135                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
6136                         err(1, "setconfvalue: asprintf: failed to allocate "
6137                                 "memory for bar_fonts.");
6138                 free(b);
6139
6140                 /* If already in xft mode, then we are done. */
6141                 if (!bar_font_legacy)
6142                         break;
6143
6144                 /* If there are any non-XLFD entries, switch to Xft mode. */
6145                 while ((b = strsep(&value, ",")) != NULL) {
6146                         if (*b == '\0')
6147                                 continue;
6148                         if (!isxlfd(b)) {
6149                                 bar_font_legacy = 0;
6150                                 break;
6151                         }
6152                 }
6153                 break;
6154         case SWM_S_BAR_FORMAT:
6155                 free(bar_format);
6156                 if ((bar_format = strdup(value)) == NULL)
6157                         err(1, "setconfvalue: bar_format");
6158                 break;
6159         case SWM_S_BAR_JUSTIFY:
6160                 if (!strcmp(value, "left"))
6161                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
6162                 else if (!strcmp(value, "center"))
6163                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
6164                 else if (!strcmp(value, "right"))
6165                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
6166                 else
6167                         errx(1, "invalid bar_justify");
6168                 break;
6169         case SWM_S_BORDER_WIDTH:
6170                 border_width = atoi(value);
6171                 if (border_width < 0)
6172                         border_width = 0;
6173                 break;
6174         case SWM_S_CLOCK_ENABLED:
6175                 clock_enabled = atoi(value);
6176                 break;
6177         case SWM_S_CLOCK_FORMAT:
6178 #ifndef SWM_DENY_CLOCK_FORMAT
6179                 free(clock_format);
6180                 if ((clock_format = strdup(value)) == NULL)
6181                         err(1, "setconfvalue: clock_format");
6182 #endif
6183                 break;
6184         case SWM_S_CYCLE_EMPTY:
6185                 cycle_empty = atoi(value);
6186                 break;
6187         case SWM_S_CYCLE_VISIBLE:
6188                 cycle_visible = atoi(value);
6189                 break;
6190         case SWM_S_DIALOG_RATIO:
6191                 dialog_ratio = atof(value);
6192                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
6193                         dialog_ratio = .6;
6194                 break;
6195         case SWM_S_DISABLE_BORDER:
6196                 disable_border = atoi(value);
6197                 break;
6198         case SWM_S_FOCUS_CLOSE:
6199                 if (!strcmp(value, "first"))
6200                         focus_close = SWM_STACK_BOTTOM;
6201                 else if (!strcmp(value, "last"))
6202                         focus_close = SWM_STACK_TOP;
6203                 else if (!strcmp(value, "next"))
6204                         focus_close = SWM_STACK_ABOVE;
6205                 else if (!strcmp(value, "previous"))
6206                         focus_close = SWM_STACK_BELOW;
6207                 else
6208                         errx(1, "focus_close");
6209                 break;
6210         case SWM_S_FOCUS_CLOSE_WRAP:
6211                 focus_close_wrap = atoi(value);
6212                 break;
6213         case SWM_S_FOCUS_DEFAULT:
6214                 if (!strcmp(value, "last"))
6215                         focus_default = SWM_STACK_TOP;
6216                 else if (!strcmp(value, "first"))
6217                         focus_default = SWM_STACK_BOTTOM;
6218                 else
6219                         errx(1, "focus_default");
6220                 break;
6221         case SWM_S_FOCUS_MODE:
6222                 if (!strcmp(value, "default"))
6223                         focus_mode = SWM_FOCUS_DEFAULT;
6224                 else if (!strcmp(value, "follow_cursor"))
6225                         focus_mode = SWM_FOCUS_FOLLOW;
6226                 else if (!strcmp(value, "manual"))
6227                         focus_mode = SWM_FOCUS_MANUAL;
6228                 else
6229                         errx(1, "focus_mode");
6230                 break;
6231         case SWM_S_SPAWN_ORDER:
6232                 if (!strcmp(value, "first"))
6233                         spawn_position = SWM_STACK_BOTTOM;
6234                 else if (!strcmp(value, "last"))
6235                         spawn_position = SWM_STACK_TOP;
6236                 else if (!strcmp(value, "next"))
6237                         spawn_position = SWM_STACK_ABOVE;
6238                 else if (!strcmp(value, "previous"))
6239                         spawn_position = SWM_STACK_BELOW;
6240                 else
6241                         errx(1, "spawn_position");
6242                 break;
6243         case SWM_S_SPAWN_TERM:
6244                 setconfspawn("term", value, 0);
6245                 setconfspawn("spawn_term", value, 0);
6246                 break;
6247         case SWM_S_SS_APP:
6248                 break;
6249         case SWM_S_SS_ENABLED:
6250                 ss_enabled = atoi(value);
6251                 break;
6252         case SWM_S_STACK_ENABLED:
6253                 stack_enabled = atoi(value);
6254                 break;
6255         case SWM_S_TERM_WIDTH:
6256                 term_width = atoi(value);
6257                 if (term_width < 0)
6258                         term_width = 0;
6259                 break;
6260         case SWM_S_TITLE_CLASS_ENABLED:
6261                 title_class_enabled = atoi(value);
6262                 break;
6263         case SWM_S_TITLE_NAME_ENABLED:
6264                 title_name_enabled = atoi(value);
6265                 break;
6266         case SWM_S_URGENT_ENABLED:
6267                 urgent_enabled = atoi(value);
6268                 break;
6269         case SWM_S_VERBOSE_LAYOUT:
6270                 verbose_layout = atoi(value);
6271                 for (i = 0; layouts[i].l_stack != NULL; i++) {
6272                         if (verbose_layout)
6273                                 layouts[i].l_string = fancy_stacker;
6274                         else
6275                                 layouts[i].l_string = plain_stacker;
6276                 }
6277                 break;
6278         case SWM_S_WINDOW_NAME_ENABLED:
6279                 window_name_enabled = atoi(value);
6280                 break;
6281         case SWM_S_WORKSPACE_LIMIT:
6282                 workspace_limit = atoi(value);
6283                 if (workspace_limit > SWM_WS_MAX)
6284                         workspace_limit = SWM_WS_MAX;
6285                 else if (workspace_limit < 1)
6286                         workspace_limit = 1;
6287                 break;
6288         default:
6289                 return (1);
6290         }
6291         return (0);
6292 }
6293
6294 int
6295 setconfmodkey(char *selector, char *value, int flags)
6296 {
6297         /* suppress unused warnings since vars are needed */
6298         (void)selector;
6299         (void)flags;
6300
6301         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
6302                 update_modkey(XCB_MOD_MASK_1);
6303         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
6304                 update_modkey(XCB_MOD_MASK_2);
6305         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
6306                 update_modkey(XCB_MOD_MASK_3);
6307         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
6308                 update_modkey(XCB_MOD_MASK_4);
6309         else
6310                 return (1);
6311         return (0);
6312 }
6313
6314 int
6315 setconfcolor(char *selector, char *value, int flags)
6316 {
6317         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
6318         return (0);
6319 }
6320
6321 int
6322 setconfregion(char *selector, char *value, int flags)
6323 {
6324         /* suppress unused warnings since vars are needed */
6325         (void)selector;
6326         (void)flags;
6327
6328         custom_region(value);
6329         return (0);
6330 }
6331
6332 int
6333 setautorun(char *selector, char *value, int flags)
6334 {
6335         int                     ws_id;
6336         char                    s[1024];
6337         char                    *ap, *sp = s;
6338         union arg               a;
6339         int                     argc = 0;
6340         pid_t                   pid;
6341         struct pid_e            *p;
6342
6343         /* suppress unused warnings since vars are needed */
6344         (void)selector;
6345         (void)flags;
6346
6347         if (getenv("SWM_STARTED"))
6348                 return (0);
6349
6350         bzero(s, sizeof s);
6351         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
6352                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
6353         ws_id--;
6354         if (ws_id < 0 || ws_id >= workspace_limit)
6355                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
6356
6357         /*
6358          * This is a little intricate
6359          *
6360          * If the pid already exists we simply reuse it because it means it was
6361          * used before AND not claimed by manage_window.  We get away with
6362          * altering it in the parent after INSERT because this can not be a race
6363          */
6364         a.argv = NULL;
6365         while ((ap = strsep(&sp, " \t")) != NULL) {
6366                 if (*ap == '\0')
6367                         continue;
6368                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
6369                 argc++;
6370                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
6371                         err(1, "setautorun: realloc");
6372                 a.argv[argc - 1] = ap;
6373         }
6374
6375         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
6376                 err(1, "setautorun: realloc");
6377         a.argv[argc] = NULL;
6378
6379         if ((pid = fork()) == 0) {
6380                 spawn(ws_id, &a, 1);
6381                 /* NOTREACHED */
6382                 _exit(1);
6383         }
6384         free(a.argv);
6385
6386         /* parent */
6387         p = find_pid(pid);
6388         if (p == NULL) {
6389                 p = calloc(1, sizeof *p);
6390                 if (p == NULL)
6391                         return (1);
6392                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
6393         }
6394
6395         p->pid = pid;
6396         p->ws = ws_id;
6397
6398         return (0);
6399 }
6400
6401 int
6402 setlayout(char *selector, char *value, int flags)
6403 {
6404         int                     ws_id, i, x, mg, ma, si, ar, f = 0;
6405         int                     st = SWM_V_STACK, num_screens;
6406         char                    s[1024];
6407         struct workspace        *ws;
6408
6409         /* suppress unused warnings since vars are needed */
6410         (void)selector;
6411         (void)flags;
6412
6413         if (getenv("SWM_STARTED"))
6414                 return (0);
6415
6416         bzero(s, sizeof s);
6417         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
6418             &ws_id, &mg, &ma, &si, &ar, s) != 6)
6419                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6420                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6421                     "<type>'");
6422         ws_id--;
6423         if (ws_id < 0 || ws_id >= workspace_limit)
6424                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6425
6426         if (!strcasecmp(s, "vertical"))
6427                 st = SWM_V_STACK;
6428         else if (!strcasecmp(s, "vertical_flip")) {
6429                 st = SWM_V_STACK;
6430                 f = 1;
6431         } else if (!strcasecmp(s, "horizontal"))
6432                 st = SWM_H_STACK;
6433         else if (!strcasecmp(s, "horizontal_flip")) {
6434                 st = SWM_H_STACK;
6435                 f = 1;
6436         } else if (!strcasecmp(s, "fullscreen"))
6437                 st = SWM_MAX_STACK;
6438         else
6439                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6440                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6441                     "<type>'");
6442
6443         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6444         for (i = 0; i < num_screens; i++) {
6445                 ws = (struct workspace *)&screens[i].ws;
6446                 ws[ws_id].cur_layout = &layouts[st];
6447
6448                 ws[ws_id].always_raise = ar;
6449                 if (st == SWM_MAX_STACK)
6450                         continue;
6451
6452                 /* master grow */
6453                 for (x = 0; x < abs(mg); x++) {
6454                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6455                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6456                             SWM_ARG_ID_MASTERSHRINK);
6457                         stack();
6458                 }
6459                 /* master add */
6460                 for (x = 0; x < abs(ma); x++) {
6461                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6462                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6463                             SWM_ARG_ID_MASTERDEL);
6464                         stack();
6465                 }
6466                 /* stack inc */
6467                 for (x = 0; x < abs(si); x++) {
6468                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6469                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6470                             SWM_ARG_ID_STACKDEC);
6471                         stack();
6472                 }
6473                 /* Apply flip */
6474                 if (f) {
6475                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6476                             SWM_ARG_ID_FLIPLAYOUT);
6477                         stack();
6478                 }
6479         }
6480
6481         focus_flush();
6482
6483         return (0);
6484 }
6485
6486 /* config options */
6487 struct config_option {
6488         char                    *optname;
6489         int                     (*func)(char*, char*, int);
6490         int                     funcflags;
6491 };
6492 struct config_option configopt[] = {
6493         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6494         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6495         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6496         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6497         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6498         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6499         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6500         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6501         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6502         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6503         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6504         { "keyboard_mapping",           setkeymapping,  0 },
6505         { "bind",                       setconfbinding, 0 },
6506         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6507         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6508         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6509         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6510         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6511         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6512         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6513         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6514         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6515         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6516         { "modkey",                     setconfmodkey,  0 },
6517         { "program",                    setconfspawn,   0 },
6518         { "quirk",                      setconfquirk,   0 },
6519         { "region",                     setconfregion,  0 },
6520         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6521         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6522         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6523         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6524         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6525         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6526         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6527         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6528         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6529         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6530         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6531         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6532         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6533         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6534         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6535         { "autorun",                    setautorun,     0 },
6536         { "layout",                     setlayout,      0 },
6537 };
6538
6539 int
6540 conf_load(char *filename, int keymapping)
6541 {
6542         FILE                    *config;
6543         char                    *line, *cp, *optsub, *optval;
6544         size_t                  linelen, lineno = 0;
6545         int                     wordlen, i, optidx;
6546         struct config_option    *opt = NULL;
6547
6548         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6549
6550         if (filename == NULL) {
6551                 warnx("conf_load: no filename");
6552                 return (1);
6553         }
6554         if ((config = fopen(filename, "r")) == NULL) {
6555                 warn("conf_load: fopen: %s", filename);
6556                 return (1);
6557         }
6558
6559         while (!feof(config)) {
6560                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6561                     == NULL) {
6562                         if (ferror(config))
6563                                 err(1, "%s", filename);
6564                         else
6565                                 continue;
6566                 }
6567                 cp = line;
6568                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6569                 if (cp[0] == '\0') {
6570                         /* empty line */
6571                         free(line);
6572                         continue;
6573                 }
6574                 /* get config option */
6575                 wordlen = strcspn(cp, "=[ \t\n");
6576                 if (wordlen == 0) {
6577                         warnx("%s: line %zd: no option found",
6578                             filename, lineno);
6579                         goto out;
6580                 }
6581                 optidx = -1;
6582                 for (i = 0; i < LENGTH(configopt); i++) {
6583                         opt = &configopt[i];
6584                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6585                             (int)strlen(opt->optname) == wordlen) {
6586                                 optidx = i;
6587                                 break;
6588                         }
6589                 }
6590                 if (optidx == -1) {
6591                         warnx("%s: line %zd: unknown option %.*s",
6592                             filename, lineno, wordlen, cp);
6593                         goto out;
6594                 }
6595                 if (keymapping && opt && strcmp(opt->optname, "bind")) {
6596                         warnx("%s: line %zd: invalid option %.*s",
6597                             filename, lineno, wordlen, cp);
6598                         goto out;
6599                 }
6600                 cp += wordlen;
6601                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6602                 /* get [selector] if any */
6603                 optsub = NULL;
6604                 if (*cp == '[') {
6605                         cp++;
6606                         wordlen = strcspn(cp, "]");
6607                         if (*cp != ']') {
6608                                 if (wordlen == 0) {
6609                                         warnx("%s: line %zd: syntax error",
6610                                             filename, lineno);
6611                                         goto out;
6612                                 }
6613
6614                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6615                                     -1) {
6616                                         warnx("%s: line %zd: unable to allocate"
6617                                             "memory for selector", filename,
6618                                             lineno);
6619                                         goto out;
6620                                 }
6621                         }
6622                         cp += wordlen;
6623                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6624                 }
6625                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6626                 /* get RHS value */
6627                 optval = strdup(cp);
6628                 /* call function to deal with it all */
6629                 if (configopt[optidx].func(optsub, optval,
6630                     configopt[optidx].funcflags) != 0)
6631                         errx(1, "%s: line %zd: invalid data for %s",
6632                             filename, lineno, configopt[optidx].optname);
6633                 free(optval);
6634                 free(optsub);
6635                 free(line);
6636         }
6637
6638         fclose(config);
6639         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6640
6641         return (0);
6642
6643 out:
6644         free(line);
6645         fclose(config);
6646         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6647
6648         return (1);
6649 }
6650
6651 void
6652 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6653 {
6654         struct ws_win           *parent, *w;
6655         struct swm_region       *r;
6656         struct workspace        *ws;
6657         xcb_icccm_wm_hints_t    wmh;
6658
6659         parent = find_window(win->transient);
6660         if (parent)
6661                 parent->focus_child = win;
6662         else {
6663                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6664                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6665
6666                 r = root_to_region(win->wa->root);
6667                 ws = r->ws;
6668                 /* parent doen't exist in our window list */
6669                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6670                         if (xcb_icccm_get_wm_hints_reply(conn,
6671                             xcb_icccm_get_wm_hints(conn, w->id),
6672                             &wmh, NULL) != 1) {
6673                                 warnx("can't get hints for 0x%x", w->id);
6674                                 continue;
6675                         }
6676
6677                         if (win->hints.window_group != wmh.window_group)
6678                                 continue;
6679
6680                         w->focus_child = win;
6681                         win->transient = w->id;
6682                         *trans = w->id;
6683                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
6684                             "transient to 0x%x\n", win->transient);
6685                         break;
6686                 }
6687         }
6688 }
6689
6690 pid_t
6691 window_get_pid(xcb_window_t win)
6692 {
6693         pid_t                           ret = 0;
6694         const char                      *errstr;
6695         xcb_atom_t                      apid;
6696         xcb_get_property_cookie_t       pc;
6697         xcb_get_property_reply_t        *pr;
6698
6699         apid = get_atom_from_string("_NET_WM_PID");
6700         if (apid == XCB_ATOM_NONE)
6701                 goto tryharder;
6702
6703         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6704         pr = xcb_get_property_reply(conn, pc, NULL);
6705         if (!pr)
6706                 goto tryharder;
6707         if (pr->type != XCB_ATOM_CARDINAL) {
6708                 free(pr);
6709                 goto tryharder;
6710         }
6711
6712         if (pr->type == apid && pr->format == 32)
6713                 ret = *((pid_t *)xcb_get_property_value(pr));
6714         free(pr);
6715
6716         return (ret);
6717
6718 tryharder:
6719         apid = get_atom_from_string("_SWM_PID");
6720         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
6721             0, SWM_PROPLEN);
6722         pr = xcb_get_property_reply(conn, pc, NULL);
6723         if (!pr)
6724                 return (0);
6725         if (pr->type != apid) {
6726                 free(pr);
6727                 return (0);
6728         }
6729
6730         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
6731         free(pr);
6732
6733         return (ret);
6734 }
6735
6736 int
6737 get_ws_idx(xcb_window_t id)
6738 {
6739         int                     ws_idx = -1;
6740         char                    *prop = NULL;
6741         size_t                  proplen;
6742         const char              *errstr;
6743         xcb_get_property_reply_t        *gpr;
6744
6745         gpr = xcb_get_property_reply(conn,
6746                 xcb_get_property(conn, 0, id, a_swm_ws,
6747                     XCB_ATOM_STRING, 0, SWM_PROPLEN),
6748                 NULL);
6749         if (!gpr)
6750                 return (-1);
6751         if (gpr->type) {
6752                 proplen = xcb_get_property_value_length(gpr);
6753                 if (proplen > 0) {
6754                         prop = malloc(proplen + 1);
6755                         if (prop) {
6756                                 memcpy(prop,
6757                                     xcb_get_property_value(gpr),
6758                                     proplen);
6759                                 prop[proplen] = '\0';
6760                         }
6761                 }
6762         }
6763         free(gpr);
6764
6765         if (prop) {
6766                 DNPRINTF(SWM_D_PROP, "get_ws_idx: _SWM_WS: %s\n", prop);
6767                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1, &errstr);
6768                 if (errstr) {
6769                         DNPRINTF(SWM_D_PROP, "get_ws_idx: window: #%s: %s",
6770                             errstr, prop);
6771                 }
6772                 free(prop);
6773         }
6774
6775         return ws_idx;
6776 }
6777
6778 struct ws_win *
6779 manage_window(xcb_window_t id, uint16_t mapped)
6780 {
6781         xcb_window_t            trans = XCB_WINDOW_NONE;
6782         struct ws_win           *win, *ww;
6783         int                     ws_idx;
6784         char                    ws_idx_str[SWM_PROPLEN];
6785         struct swm_region       *r;
6786         struct pid_e            *p;
6787         struct quirk            *qp;
6788         uint32_t                i, wa[2];
6789         xcb_icccm_get_wm_protocols_reply_t      wpr;
6790
6791         if ((win = find_window(id)) != NULL) {
6792                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x already "
6793                     "managed; skipping.)\n", id);
6794                 return (win);   /* Already managed. */
6795         }
6796
6797         /* See if window is on the unmanaged list. */
6798         if ((win = find_unmanaged_window(id)) != NULL) {
6799                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x found on "
6800                     "unmanaged list.\n", id);
6801                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6802
6803                 if (win->transient)
6804                         set_child_transient(win, &trans);
6805
6806                 goto out;
6807         } else {
6808                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x is new.\n", id);
6809         }
6810
6811         /* Create and initialize ws_win object. */
6812         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6813                 err(1, "manage_window: calloc: failed to allocate memory for "
6814                     "new window");
6815
6816         win->id = id;
6817
6818         /* Get window geometry. */
6819         win->wa = xcb_get_geometry_reply(conn,
6820             xcb_get_geometry(conn, win->id),
6821             NULL);
6822
6823         /* Figure out which region the window belongs to. */
6824         r = root_to_region(win->wa->root);
6825
6826         /* Ignore window border if there is one. */
6827         WIDTH(win) = win->wa->width;
6828         HEIGHT(win) = win->wa->height;
6829         X(win) = win->wa->x + win->wa->border_width - border_width;
6830         Y(win) = win->wa->y + win->wa->border_width - border_width;
6831         win->bordered = 1;
6832         win->mapped = mapped;
6833         win->floatmaxed = 0;
6834         win->ewmh_flags = 0;
6835         win->s = r->s;  /* this never changes */
6836
6837         store_float_geom(win, r);
6838
6839         /* Get WM_SIZE_HINTS. */
6840         xcb_icccm_get_wm_normal_hints_reply(conn,
6841             xcb_icccm_get_wm_normal_hints(conn, win->id),
6842             &win->sh, NULL);
6843
6844         /* Get WM_HINTS. */
6845         xcb_icccm_get_wm_hints_reply(conn,
6846             xcb_icccm_get_wm_hints(conn, win->id),
6847             &win->hints, NULL);
6848
6849         /* Get WM_TRANSIENT_FOR; see if window is a transient. */
6850         xcb_icccm_get_wm_transient_for_reply(conn,
6851             xcb_icccm_get_wm_transient_for(conn, win->id),
6852             &trans, NULL);
6853         if (trans) {
6854                 win->transient = trans;
6855                 set_child_transient(win, &win->transient);
6856         }
6857
6858         /* Get supported protocols. */
6859         if (xcb_icccm_get_wm_protocols_reply(conn,
6860             xcb_icccm_get_wm_protocols(conn, win->id, a_prot),
6861             &wpr, NULL)) {
6862                 for (i = 0; i < wpr.atoms_len; i++) {
6863                         if (wpr.atoms[i] == a_takefocus)
6864                                 win->take_focus = 1;
6865                         if (wpr.atoms[i] == a_delete)
6866                                 win->can_delete = 1;
6867                 }
6868                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
6869         }
6870
6871         win->iconic = get_swm_iconic(win);
6872
6873         /* Figure out which workspace the window belongs to. */
6874         if ((p = find_pid(window_get_pid(win->id))) != NULL) {
6875                 win->ws = &r->s->ws[p->ws];
6876                 TAILQ_REMOVE(&pidlist, p, entry);
6877                 free(p);
6878                 p = NULL;
6879         } else if ((ws_idx = get_ws_idx(win->id)) != -1 &&
6880             win->transient == 0) {
6881                 /* _SWM_WS is set; use that. */
6882                 win->ws = &r->s->ws[ws_idx];
6883         } else if (trans && (ww = find_window(trans)) != NULL) {
6884                 /* Launch transients in the same ws as parent. */
6885                 win->ws = ww->ws;
6886         } else {
6887                 win->ws = r->ws;
6888         }
6889
6890         /* Set the _SWM_WS atom so we can remember this after reincarnation. */
6891         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", win->ws->idx) <
6892             SWM_PROPLEN) {
6893                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6894                     ws_idx_str);
6895                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
6896                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
6897                     ws_idx_str);
6898         }
6899
6900         /* Handle EWMH */
6901         ewmh_autoquirk(win);
6902
6903         /* Determine initial quirks. */
6904         if (xcb_icccm_get_wm_class_reply(conn,
6905             xcb_icccm_get_wm_class(conn, win->id),
6906             &win->ch, NULL)) {
6907                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6908                     win->ch.class_name, win->ch.instance_name);
6909
6910                 /* java is retarded so treat it special */
6911                 if (strstr(win->ch.instance_name, "sun-awt")) {
6912                         DNPRINTF(SWM_D_CLASS, "manage_window: java window "
6913                             "detected.\n");
6914                         win->java = 1;
6915                 }
6916
6917                 TAILQ_FOREACH(qp, &quirks, entry) {
6918                         if (!strcmp(win->ch.class_name, qp->class) &&
6919                             !strcmp(win->ch.instance_name, qp->name)) {
6920                                 DNPRINTF(SWM_D_CLASS, "manage_window: on quirks"
6921                                     "list; mask: 0x%lx\n", qp->quirk);
6922                                 if (qp->quirk & SWM_Q_FLOAT)
6923                                         win->floating = 1;
6924                                 win->quirks = qp->quirk;
6925                         }
6926                 }
6927         }
6928
6929         /* Alter window position if quirky */
6930         if (win->quirks & SWM_Q_ANYWHERE)
6931                 win->manual = 1;
6932
6933         /* Reset font sizes (the bruteforce way; no default keybinding). */
6934         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6935                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6936                         fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
6937                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6938                         fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
6939         }
6940
6941         /* Make sure window is positioned inside its region, if its active. */
6942         if (win->ws->r) {
6943                 constrain_window(win, win->ws->r, 0);
6944                 update_window(win);
6945         }
6946
6947         /* Select which X events to monitor and set border pixel color. */
6948         wa[0] = win->s->c[SWM_S_COLOR_UNFOCUS].pixel;
6949         wa[1] = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_PROPERTY_CHANGE |
6950             XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6951 #ifdef SWM_DEBUG
6952         wa[1] |= XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE;
6953 #endif
6954
6955         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL |
6956             XCB_CW_EVENT_MASK, wa);
6957
6958 out:
6959         /* Figure out where to stack the window in the workspace. */
6960         if (trans && (ww = find_window(trans)))
6961                 TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6962         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6963                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6964                     entry);
6965         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6966                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6967         else switch (spawn_position) {
6968         default:
6969         case SWM_STACK_TOP:
6970         case SWM_STACK_ABOVE:
6971                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6972                 break;
6973         case SWM_STACK_BOTTOM:
6974         case SWM_STACK_BELOW:
6975                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6976         }
6977
6978         /* Get initial _NET_WM_STATE */
6979         ewmh_get_win_state(win);
6980         /* Set initial _NET_WM_ALLOWED_ACTIONS */
6981         ewmh_update_actions(win);
6982
6983         grabbuttons(win);
6984
6985         DNPRINTF(SWM_D_MISC, "manage_window: done. window: 0x%x, (x,y) w x h: "
6986             "(%d,%d) %d x %d, ws: %d, iconic: %s, transient: 0x%x\n", win->id,
6987             X(win), Y(win), WIDTH(win), HEIGHT(win), win->ws->idx,
6988             YESNO(win->iconic), win->transient);
6989
6990         return (win);
6991 }
6992
6993 void
6994 free_window(struct ws_win *win)
6995 {
6996         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6997
6998         if (win == NULL)
6999                 return;
7000
7001         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
7002
7003         if (win->wa)
7004                 free(win->wa);
7005
7006         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
7007
7008         kill_refs(win);
7009
7010         /* paint memory */
7011         memset(win, 0xff, sizeof *win); /* XXX kill later */
7012
7013         free(win);
7014         DNPRINTF(SWM_D_MISC, "free_window: done.\n");
7015 }
7016
7017 void
7018 unmanage_window(struct ws_win *win)
7019 {
7020         struct ws_win           *parent;
7021
7022         if (win == NULL)
7023                 return;
7024
7025         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
7026
7027         if (win->transient) {
7028                 parent = find_window(win->transient);
7029                 if (parent)
7030                         parent->focus_child = NULL;
7031         }
7032
7033         TAILQ_REMOVE(&win->ws->winlist, win, entry);
7034         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
7035 }
7036
7037 void
7038 expose(xcb_expose_event_t *e)
7039 {
7040         int                     i, num_screens;
7041         struct swm_region       *r;
7042
7043         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
7044
7045         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7046         for (i = 0; i < num_screens; i++)
7047                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7048                         if (e->window == WINID(r->bar))
7049                                 bar_update();
7050
7051         xcb_flush(conn);
7052 }
7053
7054 #ifdef SWM_DEBUG
7055 void
7056 focusin(xcb_focus_in_event_t *e)
7057 {
7058         DNPRINTF(SWM_D_EVENT, "focusin: window: 0x%x, mode: %s(%u), "
7059             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
7060             e->mode, get_notify_detail_label(e->detail), e->detail);
7061 }
7062
7063 void
7064 focusout(xcb_focus_out_event_t *e)
7065 {
7066         DNPRINTF(SWM_D_EVENT, "focusout: window: 0x%x, mode: %s(%u), "
7067             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
7068             e->mode, get_notify_detail_label(e->detail), e->detail);
7069 }
7070 #endif
7071
7072 void
7073 keypress(xcb_key_press_event_t *e)
7074 {
7075         xcb_keysym_t            keysym;
7076         struct key              *kp;
7077
7078         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
7079
7080         DNPRINTF(SWM_D_EVENT, "keypress: %u %u\n", e->detail, keysym);
7081
7082         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
7083                 return;
7084
7085         last_event_time = e->time;
7086
7087         if (kp->funcid == KF_SPAWN_CUSTOM)
7088                 spawn_custom(root_to_region(e->root),
7089                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
7090         else if (keyfuncs[kp->funcid].func)
7091                 keyfuncs[kp->funcid].func(root_to_region(e->root),
7092                     &(keyfuncs[kp->funcid].args));
7093 }
7094
7095 void
7096 buttonpress(xcb_button_press_event_t *e)
7097 {
7098         struct ws_win           *win;
7099         int                     i;
7100         int                     handled = 0;
7101
7102         DNPRINTF(SWM_D_EVENT, "buttonpress: window 0x%x, detail: %u\n",
7103             e->event, e->detail);
7104
7105         if ((win = find_window(e->event)) == NULL)
7106                 return;
7107
7108         last_event_time = e->time;
7109
7110         focus_win(get_focus_magic(win));
7111
7112         for (i = 0; i < LENGTH(buttons); i++)
7113                 if (client_click == buttons[i].action && buttons[i].func &&
7114                     buttons[i].button == e->detail &&
7115                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state)) {
7116                         buttons[i].func(win, &buttons[i].args);
7117                         handled = 1;
7118                 }
7119
7120         if (!handled) {
7121                 DNPRINTF(SWM_D_EVENT, "buttonpress: passing to window.\n");
7122                 xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, e->time);
7123         } else {
7124                 DNPRINTF(SWM_D_EVENT, "buttonpress: handled.\n");
7125         }
7126
7127         xcb_flush(conn);
7128 }
7129
7130 #ifdef SWM_DEBUG
7131 void
7132 print_win_geom(xcb_window_t w)
7133 {
7134         xcb_get_geometry_reply_t        *wa;
7135
7136         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
7137
7138         if (!wa) {
7139                 DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: 0x%x\n",
7140                     w);
7141                 return;
7142         }
7143
7144         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
7145             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
7146             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
7147             wa->border_width);
7148
7149         free(wa);
7150 }
7151 #endif
7152
7153 #ifdef SWM_DEBUG
7154 char *
7155 get_stack_mode_name(uint8_t mode)
7156 {
7157         char    *name;
7158
7159         switch(mode) {
7160         case XCB_STACK_MODE_ABOVE:
7161                 name = "Above";
7162                 break;
7163         case XCB_STACK_MODE_BELOW:
7164                 name = "Below";
7165                 break;
7166         case XCB_STACK_MODE_TOP_IF:
7167                 name = "TopIf";
7168                 break;
7169         case XCB_STACK_MODE_BOTTOM_IF:
7170                 name = "BottomIf";
7171                 break;
7172         case XCB_STACK_MODE_OPPOSITE:
7173                 name = "Opposite";
7174                 break;
7175         default:
7176                 name = "Unknown";
7177         }
7178
7179         return name;
7180 }
7181 #endif
7182
7183 void
7184 configurerequest(xcb_configure_request_event_t *e)
7185 {
7186         struct ws_win           *win;
7187         struct swm_region       *r = NULL;
7188         int                     new = 0, i = 0;
7189         uint16_t                mask = 0;
7190         uint32_t                wc[7] = {0};
7191
7192         if ((win = find_window(e->window)) == NULL)
7193                 if ((win = find_unmanaged_window(e->window)) == NULL)
7194                         new = 1;
7195
7196 #ifdef SWM_DEBUG
7197         if (swm_debug & SWM_D_EVENT) {
7198                 print_win_geom(e->window);
7199
7200                 DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%x, "
7201                     "parent: 0x%x, new: %s, value_mask: %u { ", e->window,
7202                     e->parent, YESNO(new), e->value_mask);
7203                 if (e->value_mask & XCB_CONFIG_WINDOW_X)
7204                         DPRINTF("X: %d ", e->x);
7205                 if (e->value_mask & XCB_CONFIG_WINDOW_Y)
7206                         DPRINTF("Y: %d ", e->y);
7207                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
7208                         DPRINTF("W: %u ", e->width);
7209                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
7210                         DPRINTF("H: %u ", e->height);
7211                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
7212                         DPRINTF("Border: %u ", e->border_width);
7213                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING)
7214                         DPRINTF("Sibling: 0x%x ", e->sibling);
7215                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE)
7216                         DPRINTF("StackMode: %s(%u) ",
7217                             get_stack_mode_name(e->stack_mode), e->stack_mode);
7218                 DPRINTF("}\n");
7219         }
7220 #endif
7221
7222         if (new) {
7223                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
7224                         mask |= XCB_CONFIG_WINDOW_X;
7225                         wc[i++] = e->x;
7226                 }
7227                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
7228                         mask |= XCB_CONFIG_WINDOW_Y;
7229                         wc[i++] = e->y;
7230                 }
7231                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
7232                         mask |= XCB_CONFIG_WINDOW_WIDTH;
7233                         wc[i++] = e->width;
7234                 }
7235                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
7236                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
7237                         wc[i++] = e->height;
7238                 }
7239                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
7240                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
7241                         wc[i++] = e->border_width;
7242                 }
7243                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
7244                         mask |= XCB_CONFIG_WINDOW_SIBLING;
7245                         wc[i++] = e->sibling;
7246                 }
7247                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
7248                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
7249                         wc[i++] = e->stack_mode;
7250                 }
7251
7252                 if (mask != 0)
7253                         xcb_configure_window(conn, e->window, mask, wc);
7254         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
7255             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
7256                 if (win->ws->r)
7257                         r = win->ws->r;
7258                 else if (win->ws->old_r)
7259                         r = win->ws->old_r;
7260
7261                 /* windows are centered unless ANYWHERE quirk is set. */
7262                 if (win->quirks & SWM_Q_ANYWHERE) {
7263                         if (e->value_mask & XCB_CONFIG_WINDOW_X) {
7264                                 win->g_float.x = e->x;
7265                                 if (r)
7266                                         win->g_float.x -= X(r);
7267                         }
7268
7269                         if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
7270                                 win->g_float.y = e->y;
7271                                 if (r)
7272                                         win->g_float.y -= Y(r);
7273                         }
7274                 }
7275
7276                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
7277                         win->g_float.w = e->width;
7278
7279                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
7280                         win->g_float.h = e->height;
7281
7282                 win->g_floatvalid = 1;
7283
7284                 if (win->floating && r) {
7285                         WIDTH(win) = win->g_float.w;
7286                         HEIGHT(win) = win->g_float.h;
7287
7288                         stack_floater(win, win->ws->r);
7289
7290                         focus_flush();
7291                 } else {
7292                         config_win(win, e);
7293                         xcb_flush(conn);
7294                 }
7295         } else {
7296                 config_win(win, e);
7297                 xcb_flush(conn);
7298         }
7299 }
7300
7301 void
7302 configurenotify(xcb_configure_notify_event_t *e)
7303 {
7304         struct ws_win           *win;
7305
7306         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%x\n",
7307             e->window);
7308
7309         win = find_window(e->window);
7310         if (win) {
7311                 xcb_icccm_get_wm_normal_hints_reply(conn,
7312                     xcb_icccm_get_wm_normal_hints(conn, win->id),
7313                     &win->sh, NULL);
7314                 adjust_font(win);
7315                 if (font_adjusted) {
7316                         stack();
7317                         xcb_flush(conn);
7318                 }
7319         }
7320 }
7321
7322 void
7323 destroynotify(xcb_destroy_notify_event_t *e)
7324 {
7325         struct ws_win           *win;
7326
7327         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
7328
7329         if ((win = find_window(e->window)) == NULL) {
7330                 if ((win = find_unmanaged_window(e->window)) == NULL)
7331                         return;
7332                 free_window(win);
7333                 return;
7334         }
7335
7336         /* If we were focused, make sure we focus on something else. */
7337         if (win == win->ws->focus)
7338                 win->ws->focus_pending = get_focus_prev(win);
7339
7340         unmanage_window(win);
7341         stack();
7342
7343         if (win->ws->focus_pending) {
7344                 focus_win(win->ws->focus_pending);
7345                 win->ws->focus_pending = NULL;
7346         }
7347
7348         free_window(win);
7349
7350         focus_flush();
7351 }
7352
7353 #ifdef SWM_DEBUG
7354 char *
7355 get_notify_detail_label(uint8_t detail)
7356 {
7357         char *label;
7358
7359         switch (detail) {
7360         case XCB_NOTIFY_DETAIL_ANCESTOR:
7361                 label = "Ancestor";
7362                 break;
7363         case XCB_NOTIFY_DETAIL_VIRTUAL:
7364                 label = "Virtual";
7365                 break;
7366         case XCB_NOTIFY_DETAIL_INFERIOR:
7367                 label = "Inferior";
7368                 break;
7369         case XCB_NOTIFY_DETAIL_NONLINEAR:
7370                 label = "Nonlinear";
7371                 break;
7372         case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
7373                 label = "NonlinearVirtual";
7374                 break;
7375         case XCB_NOTIFY_DETAIL_POINTER:
7376                 label = "Pointer";
7377                 break;
7378         case XCB_NOTIFY_DETAIL_POINTER_ROOT:
7379                 label = "PointerRoot";
7380                 break;
7381         case XCB_NOTIFY_DETAIL_NONE:
7382                 label = "None";
7383                 break;
7384         default:
7385                 label = "Unknown";
7386         }
7387
7388         return label;
7389 }
7390
7391 char *
7392 get_notify_mode_label(uint8_t mode)
7393 {
7394         char *label;
7395
7396         switch (mode) {
7397         case XCB_NOTIFY_MODE_NORMAL:
7398                 label = "Normal";
7399                 break;
7400         case XCB_NOTIFY_MODE_GRAB:
7401                 label = "Grab";
7402                 break;
7403         case XCB_NOTIFY_MODE_UNGRAB:
7404                 label = "Ungrab";
7405                 break;
7406         case XCB_NOTIFY_MODE_WHILE_GRABBED:
7407                 label = "WhileGrabbed";
7408                 break;
7409         default:
7410                 label = "Unknown";
7411         }
7412
7413         return label;
7414 }
7415 #endif
7416
7417 void
7418 enternotify(xcb_enter_notify_event_t *e)
7419 {
7420         struct ws_win           *win;
7421
7422         DNPRINTF(SWM_D_FOCUS, "enternotify: time: %u, win (x,y): 0x%x "
7423             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
7424             "child: 0x%x, same_screen_focus: %s, state: %d\n",
7425             e->time, e->event, e->event_x, e->event_y,
7426             get_notify_mode_label(e->mode), e->mode,
7427             get_notify_detail_label(e->detail), e->detail,
7428             e->root, e->root_x, e->root_y, e->child,
7429             YESNO(e->same_screen_focus), e->state);
7430
7431         if (focus_mode == SWM_FOCUS_MANUAL &&
7432             e->mode == XCB_NOTIFY_MODE_NORMAL) {
7433                 DNPRINTF(SWM_D_EVENT, "enternotify: manual focus; ignoring.\n");
7434                 return;
7435         }
7436
7437         if ((win = find_window(e->event)) == NULL) {
7438                 DNPRINTF(SWM_D_EVENT, "enternotify: window is NULL; ignoring\n");
7439                 return;
7440         }
7441
7442         last_event_time = e->time;
7443
7444         focus_win(get_focus_magic(win));
7445
7446         xcb_flush(conn);
7447 }
7448
7449 #ifdef SWM_DEBUG
7450 void
7451 leavenotify(xcb_leave_notify_event_t *e)
7452 {
7453         DNPRINTF(SWM_D_FOCUS, "leavenotify: time: %u, win (x,y): 0x%x "
7454             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
7455             "child: 0x%x, same_screen_focus: %s, state: %d\n",
7456             e->time, e->event, e->event_x, e->event_y,
7457             get_notify_mode_label(e->mode), e->mode,
7458             get_notify_detail_label(e->detail), e->detail,
7459             e->root, e->root_x, e->root_y, e->child,
7460             YESNO(e->same_screen_focus), e->state);
7461 }
7462 #endif
7463
7464 /* lets us use one switch statement for arbitrary mode/detail combinations */
7465 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
7466
7467 void
7468 mapnotify(xcb_map_notify_event_t *e)
7469 {
7470         struct ws_win           *win;
7471
7472         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
7473
7474         if ((win = find_window(e->window)) == NULL)
7475                 win = manage_window(e->window, 1);
7476
7477         win->mapped = 1;
7478         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
7479
7480         if (win->ws->focus_pending == win) {
7481                 focus_win(win);
7482                 win->ws->focus_pending = NULL;
7483         }
7484
7485         xcb_flush(conn);
7486 }
7487
7488 void
7489 mappingnotify(xcb_mapping_notify_event_t *e)
7490 {
7491         xcb_refresh_keyboard_mapping(syms, e);
7492
7493         if (e->request == XCB_MAPPING_KEYBOARD)
7494                 grabkeys();
7495 }
7496
7497 void
7498 maprequest(xcb_map_request_event_t *e)
7499 {
7500         struct ws_win           *win;
7501         xcb_get_window_attributes_reply_t *war;
7502
7503         DNPRINTF(SWM_D_EVENT, "maprequest: win 0x%x\n",
7504             e->window);
7505
7506         war = xcb_get_window_attributes_reply(conn,
7507             xcb_get_window_attributes(conn, e->window),
7508             NULL);
7509         if (war == NULL) {
7510                 DNPRINTF(SWM_D_EVENT, "maprequest: window lost.\n");
7511                 goto out;
7512         }
7513
7514         if (war->override_redirect) {
7515                 DNPRINTF(SWM_D_EVENT, "maprequest: override_redirect; "
7516                     "skipping.\n");
7517                 goto out;
7518         }
7519
7520         win = manage_window(e->window,
7521             (war->map_state == XCB_MAP_STATE_VIEWABLE));
7522
7523         /* All windows need to be mapped if they are in the current workspace.*/
7524         if (win->ws->r)
7525                 stack();
7526
7527         /* The new window should get focus. */
7528         win->ws->focus_pending = get_focus_magic(win);
7529
7530         /* Ignore EnterNotify to handle the mapnotify without interference. */
7531         if (focus_mode == SWM_FOCUS_DEFAULT)
7532                 event_drain(XCB_ENTER_NOTIFY);
7533 out:
7534         free(war);
7535         DNPRINTF(SWM_D_EVENT, "maprequest: done.\n");
7536 }
7537
7538 #ifdef SWM_DEBUG
7539 char *
7540 get_atom_name(xcb_atom_t atom)
7541 {
7542         char                            *name = NULL;
7543 #if 0
7544         /*
7545          * This should be disabled during most debugging since
7546          * xcb_get_* causes an xcb_flush.
7547          */
7548         size_t                          len;
7549         xcb_get_atom_name_reply_t       *r;
7550
7551         r = xcb_get_atom_name_reply(conn,
7552             xcb_get_atom_name(conn, atom),
7553             NULL);
7554         if (r) {
7555                 len = xcb_get_atom_name_name_length(r);
7556                 if (len > 0) {
7557                         name = malloc(len + 1);
7558                         if (name) {
7559                                 memcpy(name, xcb_get_atom_name_name(r), len);
7560                                 name[len] = '\0';
7561                         }
7562                 }
7563                 free(r);
7564         }
7565 #else
7566         (void)atom;
7567 #endif
7568         return (name);
7569 }
7570 #endif
7571
7572 void
7573 propertynotify(xcb_property_notify_event_t *e)
7574 {
7575         struct ws_win           *win;
7576 #ifdef SWM_DEBUG
7577         char                    *name;
7578
7579         name = get_atom_name(e->atom);
7580         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u), "
7581             "time: %#x\n", e->window, name, e->atom, e->time);
7582         free(name);
7583 #endif
7584         win = find_window(e->window);
7585         if (win == NULL)
7586                 return;
7587
7588         last_event_time = e->time;
7589
7590         if (e->atom == a_swm_iconic) {
7591                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
7592                         win->ws->focus_pending = get_focus_prev(win);
7593                         unfocus_win(win);
7594                         unmap_window(win);
7595
7596                         if (win->ws->r) {
7597                                 stack();
7598                                 focus_win(win->ws->focus_pending);
7599                                 win->ws->focus_pending = NULL;
7600                                 focus_flush();
7601                         }
7602                 } else if (e->state == XCB_PROPERTY_DELETE) {
7603                         /* The window is no longer iconic, restack ws. */
7604                         win->ws->focus_pending = get_focus_magic(win);
7605                         stack();
7606
7607                         /* Flush EnterNotify for mapnotify, if needed. */
7608                         focus_flush();
7609                 }
7610         } else if (e->atom == a_state) {
7611                 /* State just changed, make sure it gets focused if mapped. */
7612                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
7613                         if (win->mapped && win->ws->focus_pending == win) {
7614                                 win->ws->focus_pending = NULL;
7615                                 focus_win(win);
7616                         }
7617                 }
7618         } else if (e->atom == XCB_ATOM_WM_CLASS ||
7619             e->atom == XCB_ATOM_WM_NAME) {
7620                 bar_update();
7621         }
7622
7623         xcb_flush(conn);
7624 }
7625
7626 void
7627 unmapnotify(xcb_unmap_notify_event_t *e)
7628 {
7629         struct ws_win           *win;
7630
7631         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
7632
7633         /* determine if we need to help unmanage this window */
7634         win = find_window(e->window);
7635         if (win == NULL)
7636                 return;
7637
7638         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL) {
7639                 /* If we were focused, make sure we focus on something else. */
7640                 if (win == win->ws->focus)
7641                         win->ws->focus_pending = get_focus_prev(win);
7642
7643                 win->mapped = 0;
7644                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
7645
7646                 unmanage_window(win);
7647                 stack();
7648
7649                 if (win->ws->focus_pending) {
7650                         focus_win(win->ws->focus_pending);
7651                         win->ws->focus_pending = NULL;
7652                 }
7653
7654                 focus_flush();
7655         }
7656 }
7657
7658 #if 0
7659 void
7660 visibilitynotify(xcb_visibility_notify_event_t *e)
7661 {
7662         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
7663             e->window);
7664 }
7665 #endif
7666
7667 void
7668 clientmessage(xcb_client_message_event_t *e)
7669 {
7670         struct ws_win *win;
7671         xcb_map_request_event_t mre;
7672 #ifdef SWM_DEBUG
7673         char                    *name;
7674
7675         name = get_atom_name(e->type);
7676         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
7677             e->window, name, e->type);
7678         free(name);
7679 #endif
7680         win = find_window(e->window);
7681
7682         if (win == NULL) {
7683                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7684                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
7685                             "unmanaged window.\n");
7686                         mre.window = e->window;
7687                         maprequest(&mre);
7688                 }
7689                 return;
7690         }
7691
7692         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7693                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7694                 focus_win(win);
7695         }
7696         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
7697                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7698                 if (win->can_delete)
7699                         client_msg(win, a_delete, 0);
7700                 else
7701                         xcb_kill_client(conn, win->id);
7702         }
7703         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7704                 DNPRINTF(SWM_D_EVENT,
7705                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7706                 if (win->floating) {
7707                         if (e->data.data32[0] & (1<<8)) /* x */
7708                                 X(win) = e->data.data32[1];
7709                         if (e->data.data32[0] & (1<<9)) /* y */
7710                                 Y(win) = e->data.data32[2];
7711                         if (e->data.data32[0] & (1<<10)) /* width */
7712                                 WIDTH(win) = e->data.data32[3];
7713                         if (e->data.data32[0] & (1<<11)) /* height */
7714                                 HEIGHT(win) = e->data.data32[4];
7715
7716                         update_window(win);
7717                 }
7718                 else {
7719                         /* TODO: Change stack sizes */
7720                         /* notify no change was made. */
7721                         config_win(win, NULL);
7722                 }
7723         }
7724         if (e->type == ewmh[_NET_WM_STATE].atom) {
7725                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7726                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
7727                 if (e->data.data32[2])
7728                         ewmh_update_win_state(win, e->data.data32[2],
7729                             e->data.data32[0]);
7730
7731                 stack();
7732         }
7733
7734         xcb_flush(conn);
7735 }
7736
7737 void
7738 check_conn(void)
7739 {
7740         int      errcode = xcb_connection_has_error(conn);
7741 #ifdef XCB_CONN_ERROR
7742         char    *s;
7743         switch (errcode) {
7744         case XCB_CONN_ERROR:
7745                 s = "Socket error, pipe error or other stream error.";
7746                 break;
7747         case XCB_CONN_CLOSED_EXT_NOTSUPPORTED:
7748                 s = "Extension not supported.";
7749                 break;
7750         case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
7751                 s = "Insufficient memory.";
7752                 break;
7753         case XCB_CONN_CLOSED_REQ_LEN_EXCEED:
7754                 s = "Request length was exceeded.";
7755                 break;
7756         case XCB_CONN_CLOSED_PARSE_ERR:
7757                 s = "Error parsing display string.";
7758                 break;
7759         default:
7760                 s = "Unknown error.";
7761         }
7762         if (errcode)
7763                 errx(errcode, "X CONNECTION ERROR: %s", s);
7764 #else
7765         if (errcode)
7766                 errx(errcode, "X CONNECTION ERROR");
7767 #endif
7768 }
7769
7770 int
7771 enable_wm(void)
7772 {
7773         int                     num_screens, i;
7774         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
7775         xcb_screen_t            *sc;
7776         xcb_void_cookie_t       wac;
7777         xcb_generic_error_t     *error;
7778
7779         /* this causes an error if some other window manager is running */
7780         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7781         for (i = 0; i < num_screens; i++) {
7782                 if ((sc = get_screen(i)) == NULL)
7783                         errx(1, "ERROR: can't get screen %d.", i);
7784                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
7785                     i, sc->root);
7786                 wac = xcb_change_window_attributes_checked(conn, sc->root,
7787                     XCB_CW_EVENT_MASK, &val);
7788                 if ((error = xcb_request_check(conn, wac))) {
7789                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
7790                             error->error_code);
7791                         free(error);
7792                         return 1;
7793                 }
7794         }
7795
7796         return 0;
7797 }
7798
7799 void
7800 new_region(struct swm_screen *s, int x, int y, int w, int h)
7801 {
7802         struct swm_region       *r, *n;
7803         struct workspace        *ws = NULL;
7804         int                     i;
7805
7806         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7807              s->idx, w, h, x, y);
7808
7809         /* remove any conflicting regions */
7810         n = TAILQ_FIRST(&s->rl);
7811         while (n) {
7812                 r = n;
7813                 n = TAILQ_NEXT(r, entry);
7814                 if (X(r) < (x + w) &&
7815                     (X(r) + WIDTH(r)) > x &&
7816                     Y(r) < (y + h) &&
7817                     (Y(r) + HEIGHT(r)) > y) {
7818                         if (r->ws->r != NULL)
7819                                 r->ws->old_r = r->ws->r;
7820                         r->ws->r = NULL;
7821                         bar_cleanup(r);
7822                         TAILQ_REMOVE(&s->rl, r, entry);
7823                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7824                 }
7825         }
7826
7827         /* search old regions for one to reuse */
7828
7829         /* size + location match */
7830         TAILQ_FOREACH(r, &s->orl, entry)
7831                 if (X(r) == x && Y(r) == y &&
7832                     HEIGHT(r) == h && WIDTH(r) == w)
7833                         break;
7834
7835         /* size match */
7836         TAILQ_FOREACH(r, &s->orl, entry)
7837                 if (HEIGHT(r) == h && WIDTH(r) == w)
7838                         break;
7839
7840         if (r != NULL) {
7841                 TAILQ_REMOVE(&s->orl, r, entry);
7842                 /* try to use old region's workspace */
7843                 if (r->ws->r == NULL)
7844                         ws = r->ws;
7845         } else
7846                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7847                         err(1, "new_region: calloc: failed to allocate memory "
7848                             "for screen");
7849
7850         /* if we don't have a workspace already, find one */
7851         if (ws == NULL) {
7852                 for (i = 0; i < workspace_limit; i++)
7853                         if (s->ws[i].r == NULL) {
7854                                 ws = &s->ws[i];
7855                                 break;
7856                         }
7857         }
7858
7859         if (ws == NULL)
7860                 errx(1, "new_region: no free workspaces");
7861
7862         X(r) = x;
7863         Y(r) = y;
7864         WIDTH(r) = w;
7865         HEIGHT(r) = h;
7866         r->s = s;
7867         r->ws = ws;
7868         r->ws_prior = NULL;
7869         ws->r = r;
7870         outputs++;
7871         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7872 }
7873
7874 void
7875 scan_xrandr(int i)
7876 {
7877 #ifdef SWM_XRR_HAS_CRTC
7878         int                                             c;
7879         int                                             ncrtc = 0;
7880 #endif /* SWM_XRR_HAS_CRTC */
7881         struct swm_region                               *r;
7882         int                                             num_screens;
7883         xcb_randr_get_screen_resources_current_cookie_t src;
7884         xcb_randr_get_screen_resources_current_reply_t  *srr;
7885         xcb_randr_get_crtc_info_cookie_t                cic;
7886         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7887         xcb_randr_crtc_t                                *crtc;
7888         xcb_screen_t                                    *screen;
7889
7890         if ((screen = get_screen(i)) == NULL)
7891                 errx(1, "ERROR: can't get screen %d.", i);
7892
7893         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7894         if (i >= num_screens)
7895                 errx(1, "scan_xrandr: invalid screen");
7896
7897         /* remove any old regions */
7898         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7899                 r->ws->old_r = r->ws->r = NULL;
7900                 bar_cleanup(r);
7901                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7902                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7903         }
7904         outputs = 0;
7905
7906         /* map virtual screens onto physical screens */
7907 #ifdef SWM_XRR_HAS_CRTC
7908         if (xrandr_support) {
7909                 src = xcb_randr_get_screen_resources_current(conn,
7910                     screens[i].root);
7911                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7912                     NULL);
7913                 if (srr == NULL) {
7914                         new_region(&screens[i], 0, 0,
7915                             screen->width_in_pixels,
7916                             screen->height_in_pixels);
7917                         return;
7918                 } else
7919                         ncrtc = srr->num_crtcs;
7920
7921                 crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7922                 for (c = 0; c < ncrtc; c++) {
7923                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7924                             XCB_CURRENT_TIME);
7925                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7926                         if (cir == NULL)
7927                                 continue;
7928                         if (cir->num_outputs == 0) {
7929                                 free(cir);
7930                                 continue;
7931                         }
7932
7933                         if (cir->mode == 0)
7934                                 new_region(&screens[i], 0, 0,
7935                                     screen->width_in_pixels,
7936                                     screen->height_in_pixels);
7937                         else
7938                                 new_region(&screens[i],
7939                                     cir->x, cir->y, cir->width, cir->height);
7940                         free(cir);
7941                 }
7942                 free(srr);
7943         } else
7944 #endif /* SWM_XRR_HAS_CRTC */
7945         {
7946                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7947                     screen->height_in_pixels);
7948         }
7949 }
7950
7951 void
7952 screenchange(xcb_randr_screen_change_notify_event_t *e)
7953 {
7954         struct swm_region               *r;
7955         int                             i, num_screens;
7956
7957         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
7958
7959         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7960         /* silly event doesn't include the screen index */
7961         for (i = 0; i < num_screens; i++)
7962                 if (screens[i].root == e->root)
7963                         break;
7964         if (i >= num_screens)
7965                 errx(1, "screenchange: screen not found");
7966
7967         /* brute force for now, just re-enumerate the regions */
7968         scan_xrandr(i);
7969
7970 #ifdef SWM_DEBUG
7971         print_win_geom(e->root);
7972 #endif
7973         /* add bars to all regions */
7974         for (i = 0; i < num_screens; i++)
7975                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7976                         bar_setup(r);
7977         stack();
7978 }
7979
7980 void
7981 grab_windows(void)
7982 {
7983         xcb_window_t            *wins   = NULL;
7984         int                     no;
7985         int                     i, j, num_screens;
7986         uint16_t                state, manage, mapped;
7987
7988         xcb_query_tree_cookie_t                 qtc;
7989         xcb_query_tree_reply_t                  *qtr;
7990         xcb_get_window_attributes_cookie_t      c;
7991         xcb_get_window_attributes_reply_t       *r;
7992         xcb_get_property_cookie_t               pc;
7993
7994         DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
7995         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7996         for (i = 0; i < num_screens; i++) {
7997                 qtc = xcb_query_tree(conn, screens[i].root);
7998                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7999                 if (!qtr)
8000                         continue;
8001                 wins = xcb_query_tree_children(qtr);
8002                 no = xcb_query_tree_children_length(qtr);
8003                 /* attach windows to a region */
8004                 /* normal windows */
8005                 for (j = 0; j < no; j++) {
8006                         c = xcb_get_window_attributes(conn, wins[j]);
8007                         r = xcb_get_window_attributes_reply(conn, c, NULL);
8008                         if (!r)
8009                                 continue;
8010                         if (r->override_redirect) {
8011                                 free(r);
8012                                 continue;
8013                         }
8014
8015                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
8016                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
8017                             &wins[j], NULL)) {
8018                                 free(r);
8019                                 continue;
8020                         }
8021
8022                         state = getstate(wins[j]);
8023                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
8024                         mapped = r->map_state != XCB_MAP_STATE_UNMAPPED;
8025                         if (mapped || manage)
8026                                 manage_window(wins[j], mapped);
8027                         free(r);
8028                 }
8029                 /* transient windows */
8030                 for (j = 0; j < no; j++) {
8031                         c = xcb_get_window_attributes(conn, wins[j]);
8032                         r = xcb_get_window_attributes_reply(conn, c, NULL);
8033                         if (!r)
8034                                 continue;
8035                         if (r->override_redirect) {
8036                                 free(r);
8037                                 continue;
8038                         }
8039                         free(r);
8040
8041                         state = getstate(wins[j]);
8042                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
8043                         mapped = r->map_state != XCB_MAP_STATE_UNMAPPED;
8044                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
8045                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
8046                             &wins[j], NULL) && manage)
8047                                 manage_window(wins[j], mapped);
8048                 }
8049                 free(qtr);
8050         }
8051         DNPRINTF(SWM_D_INIT, "grab_windows: done.\n");
8052 }
8053
8054 void
8055 setup_screens(void)
8056 {
8057         int                     i, j, k, num_screens;
8058         struct workspace        *ws;
8059         uint32_t                gcv[1], wa[1];
8060         const xcb_query_extension_reply_t *qep;
8061         xcb_screen_t                            *screen;
8062         xcb_cursor_t                            cursor;
8063         xcb_font_t                              cursor_font;
8064         xcb_randr_query_version_cookie_t        c;
8065         xcb_randr_query_version_reply_t         *r;
8066
8067         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8068         if ((screens = calloc(num_screens,
8069              sizeof(struct swm_screen))) == NULL)
8070                 err(1, "setup_screens: calloc: failed to allocate memory for "
8071                     "screens");
8072
8073         /* initial Xrandr setup */
8074         xrandr_support = 0;
8075         qep = xcb_get_extension_data(conn, &xcb_randr_id);
8076         if (qep->present) {
8077                 c = xcb_randr_query_version(conn, 1, 1);
8078                 r = xcb_randr_query_version_reply(conn, c, NULL);
8079                 if (r) {
8080                         if (r->major_version >= 1) {
8081                                 xrandr_support = 1;
8082                                 xrandr_eventbase = qep->first_event;
8083                         }
8084                         free(r);
8085                 }
8086         }
8087
8088         cursor_font = xcb_generate_id(conn);
8089         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
8090
8091         cursor = xcb_generate_id(conn);
8092         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
8093             XC_left_ptr, XC_left_ptr + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
8094         wa[0] = cursor;
8095
8096         /* map physical screens */
8097         for (i = 0; i < num_screens; i++) {
8098                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
8099                 screens[i].idx = i;
8100                 TAILQ_INIT(&screens[i].rl);
8101                 TAILQ_INIT(&screens[i].orl);
8102                 if ((screen = get_screen(i)) == NULL)
8103                         errx(1, "ERROR: can't get screen %d.", i);
8104                 screens[i].root = screen->root;
8105
8106                 /* set default colors */
8107                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
8108                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
8109                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
8110                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
8111                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
8112
8113                 /* create graphics context on screen */
8114                 screens[i].bar_gc = xcb_generate_id(conn);
8115                 gcv[0] = 0;
8116                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
8117                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
8118
8119                 /* set default cursor */
8120                 xcb_change_window_attributes(conn, screens[i].root,
8121                     XCB_CW_CURSOR, wa);
8122
8123                 /* init all workspaces */
8124                 /* XXX these should be dynamically allocated too */
8125                 for (j = 0; j < SWM_WS_MAX; j++) {
8126                         ws = &screens[i].ws[j];
8127                         ws->idx = j;
8128                         ws->name = NULL;
8129                         ws->focus = NULL;
8130                         ws->focus_prev = NULL;
8131                         ws->focus_pending = NULL;
8132                         ws->r = NULL;
8133                         ws->old_r = NULL;
8134                         TAILQ_INIT(&ws->winlist);
8135                         TAILQ_INIT(&ws->unmanagedlist);
8136
8137                         for (k = 0; layouts[k].l_stack != NULL; k++)
8138                                 if (layouts[k].l_config != NULL)
8139                                         layouts[k].l_config(ws,
8140                                             SWM_ARG_ID_STACKINIT);
8141                         ws->cur_layout = &layouts[0];
8142                         ws->cur_layout->l_string(ws);
8143                 }
8144
8145                 scan_xrandr(i);
8146
8147                 if (xrandr_support)
8148                         xcb_randr_select_input(conn, screens[i].root,
8149                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
8150         }
8151         xcb_free_cursor(conn, cursor);
8152         xcb_close_font(conn, cursor_font);
8153 }
8154
8155 void
8156 setup_globals(void)
8157 {
8158         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
8159                 err(1, "setup_globals: strdup: failed to allocate memory.");
8160
8161         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
8162                 err(1, "setup_globals: strdup: failed to allocate memory.");
8163
8164         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
8165                 errx(1, "unable to allocate key symbols");
8166
8167         a_state = get_atom_from_string("WM_STATE");
8168         a_prot = get_atom_from_string("WM_PROTOCOLS");
8169         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
8170         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
8171         a_wmname = get_atom_from_string("WM_NAME");
8172         a_netwmname = get_atom_from_string("_NET_WM_NAME");
8173         a_utf8_string = get_atom_from_string("UTF8_STRING");
8174         a_string = get_atom_from_string("STRING");
8175         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
8176         a_swm_ws = get_atom_from_string("_SWM_WS");
8177 }
8178
8179 void
8180 workaround(void)
8181 {
8182         int                     i, num_screens;
8183         xcb_atom_t              netwmcheck;
8184         xcb_window_t            root, win;
8185
8186         /* work around sun jdk bugs, code from wmname */
8187         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
8188
8189         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8190         for (i = 0; i < num_screens; i++) {
8191                 root = screens[i].root;
8192
8193                 win = xcb_generate_id(conn);
8194                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, root,
8195                     0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
8196                     XCB_COPY_FROM_PARENT, 0, NULL);
8197
8198                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
8199                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
8200                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
8201                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
8202                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
8203                     a_netwmname, a_utf8_string, 8, strlen("LG3D"), "LG3D");
8204         }
8205 }
8206
8207 void
8208 shutdown_cleanup(void)
8209 {
8210         int i, num_screens;
8211
8212         /* disable alarm because the following code may not be interrupted */
8213         alarm(0);
8214         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
8215                 err(1, "can't disable alarm");
8216
8217         bar_extra_stop();
8218         bar_extra = 1;
8219         unmap_all();
8220
8221         teardown_ewmh();
8222
8223         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8224         for (i = 0; i < num_screens; ++i) {
8225                 if (screens[i].bar_gc != 0)
8226                         xcb_free_gc(conn, screens[i].bar_gc);
8227                 if (!bar_font_legacy)
8228                         XftColorFree(display, DefaultVisual(display, i),
8229                             DefaultColormap(display, i), &bar_font_color);
8230         }
8231
8232         if (bar_font_legacy)
8233                 XFreeFontSet(display, bar_fs);
8234         else {
8235                 XftFontClose(display, bar_font);
8236         }
8237
8238         xcb_key_symbols_free(syms);
8239         xcb_flush(conn);
8240         xcb_disconnect(conn);
8241 }
8242
8243 void
8244 event_error(xcb_generic_error_t *e)
8245 {
8246         (void)e;
8247
8248         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
8249             "resource_id: %u, minor_code: %u\n",
8250             xcb_event_get_error_label(e->error_code), e->error_code,
8251             xcb_event_get_request_label(e->major_code), e->major_code,
8252             e->sequence, e->resource_id, e->minor_code);
8253 }
8254
8255 void
8256 event_handle(xcb_generic_event_t *evt)
8257 {
8258         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
8259
8260         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d), seq %u\n",
8261             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
8262             XCB_EVENT_RESPONSE_TYPE(evt), evt->sequence);
8263
8264         switch (type) {
8265 #define EVENT(type, callback) case type: callback((void *)evt); return
8266         EVENT(0, event_error);
8267         EVENT(XCB_BUTTON_PRESS, buttonpress);
8268         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
8269         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
8270         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
8271         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
8272         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
8273         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
8274         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
8275         /*EVENT(XCB_CREATE_NOTIFY, );*/
8276         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
8277         EVENT(XCB_ENTER_NOTIFY, enternotify);
8278         EVENT(XCB_EXPOSE, expose);
8279 #ifdef SWM_DEBUG
8280         EVENT(XCB_FOCUS_IN, focusin);
8281         EVENT(XCB_FOCUS_OUT, focusout);
8282 #endif
8283         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
8284         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
8285         EVENT(XCB_KEY_PRESS, keypress);
8286         /*EVENT(XCB_KEY_RELEASE, keypress);*/
8287         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
8288 #ifdef SWM_DEBUG
8289         EVENT(XCB_LEAVE_NOTIFY, leavenotify);
8290 #endif
8291         EVENT(XCB_MAP_NOTIFY, mapnotify);
8292         EVENT(XCB_MAP_REQUEST, maprequest);
8293         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
8294         /*EVENT(XCB_MOTION_NOTIFY, );*/
8295         /*EVENT(XCB_NO_EXPOSURE, );*/
8296         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
8297         /*EVENT(XCB_REPARENT_NOTIFY, );*/
8298         /*EVENT(XCB_RESIZE_REQUEST, );*/
8299         /*EVENT(XCB_SELECTION_CLEAR, );*/
8300         /*EVENT(XCB_SELECTION_NOTIFY, );*/
8301         /*EVENT(XCB_SELECTION_REQUEST, );*/
8302         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
8303         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
8304 #undef EVENT
8305         }
8306         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
8307                 screenchange((void *)evt);
8308 }
8309
8310 int
8311 main(int argc, char *argv[])
8312 {
8313         struct swm_region       *r, *rr;
8314         struct ws_win           *winfocus = NULL;
8315         char                    conf[PATH_MAX], *cfile = NULL;
8316         struct stat             sb;
8317         int                     xfd, i, num_screens;
8318         struct sigaction        sact;
8319         xcb_generic_event_t     *evt;
8320         struct timeval          tv;
8321         fd_set                  rd;
8322
8323         /* suppress unused warning since var is needed */
8324         (void)argc;
8325
8326         time_started = time(NULL);
8327
8328         start_argv = argv;
8329         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
8330         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, ""))
8331                 warnx("no locale support");
8332
8333         /* handle some signals */
8334         bzero(&sact, sizeof(sact));
8335         sigemptyset(&sact.sa_mask);
8336         sact.sa_flags = 0;
8337         sact.sa_handler = sighdlr;
8338         sigaction(SIGINT, &sact, NULL);
8339         sigaction(SIGQUIT, &sact, NULL);
8340         sigaction(SIGTERM, &sact, NULL);
8341         sigaction(SIGHUP, &sact, NULL);
8342
8343         sact.sa_handler = sighdlr;
8344         sact.sa_flags = SA_NOCLDSTOP;
8345         sigaction(SIGCHLD, &sact, NULL);
8346
8347         if (!(display = XOpenDisplay(0)))
8348                 errx(1, "can not open display");
8349
8350         conn = XGetXCBConnection(display);
8351         if (xcb_connection_has_error(conn))
8352                 errx(1, "can not get XCB connection");
8353
8354         XSetEventQueueOwner(display, XCBOwnsEventQueue);
8355
8356         xcb_prefetch_extension_data(conn, &xcb_randr_id);
8357         xfd = xcb_get_file_descriptor(conn);
8358
8359         /* look for local and global conf file */
8360         pwd = getpwuid(getuid());
8361         if (pwd == NULL)
8362                 errx(1, "invalid user: %d", getuid());
8363
8364         xcb_grab_server(conn);
8365         xcb_aux_sync(conn);
8366
8367         /* flush all events */
8368         while ((evt = xcb_poll_for_event(conn))) {
8369                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
8370                         event_handle(evt);
8371                 free(evt);
8372         }
8373
8374         if (enable_wm() != 0)
8375                 errx(1, "another window manager is currently running");
8376
8377         xcb_aux_sync(conn);
8378
8379         setup_globals();
8380         setup_screens();
8381         setup_keys();
8382         setup_quirks();
8383         setup_spawn();
8384
8385         /* load config */
8386         for (i = 0; ; i++) {
8387                 conf[0] = '\0';
8388                 switch (i) {
8389                 case 0:
8390                         /* ~ */
8391                         snprintf(conf, sizeof conf, "%s/.%s",
8392                             pwd->pw_dir, SWM_CONF_FILE);
8393                         break;
8394                 case 1:
8395                         /* global */
8396                         snprintf(conf, sizeof conf, "/etc/%s",
8397                             SWM_CONF_FILE);
8398                         break;
8399                 case 2:
8400                         /* ~ compat */
8401                         snprintf(conf, sizeof conf, "%s/.%s",
8402                             pwd->pw_dir, SWM_CONF_FILE_OLD);
8403                         break;
8404                 case 3:
8405                         /* global compat */
8406                         snprintf(conf, sizeof conf, "/etc/%s",
8407                             SWM_CONF_FILE_OLD);
8408                         break;
8409                 default:
8410                         goto noconfig;
8411                 }
8412
8413                 if (strlen(conf) && stat(conf, &sb) != -1)
8414                         if (S_ISREG(sb.st_mode)) {
8415                                 cfile = conf;
8416                                 break;
8417                         }
8418         }
8419 noconfig:
8420
8421         /* load conf (if any) */
8422         if (cfile)
8423                 conf_load(cfile, SWM_CONF_DEFAULT);
8424
8425         setup_ewmh();
8426         /* set some values to work around bad programs */
8427         workaround();
8428         /* grab existing windows (before we build the bars) */
8429         grab_windows();
8430
8431         if (getenv("SWM_STARTED") == NULL)
8432                 setenv("SWM_STARTED", "YES", 1);
8433
8434         /* setup all bars */
8435         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
8436         for (i = 0; i < num_screens; i++)
8437                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
8438                         if (winfocus == NULL)
8439                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
8440                         bar_setup(r);
8441                 }
8442
8443         grabkeys();
8444         stack();
8445
8446         xcb_ungrab_server(conn);
8447         xcb_flush(conn);
8448
8449         while (running) {
8450                 while ((evt = xcb_poll_for_event(conn))) {
8451                         if (running == 0)
8452                                 goto done;
8453                         event_handle(evt);
8454                         free(evt);
8455                 }
8456
8457                 /* if we are being restarted go focus on first window */
8458                 if (winfocus) {
8459                         rr = winfocus->ws->r;
8460                         if (rr == NULL) {
8461                                 /* not a visible window */
8462                                 winfocus = NULL;
8463                                 continue;
8464                         }
8465                         /* move pointer to first screen if multi screen */
8466                         if (num_screens > 1 || outputs > 1)
8467                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
8468                                     rr->s[0].root, 0, 0, 0, 0, X(rr),
8469                                     Y(rr) + (bar_enabled ? bar_height : 0));
8470
8471                         focus_win(get_region_focus(rr));
8472                         focus_flush();
8473                         winfocus = NULL;
8474                         continue;
8475                 }
8476
8477                 FD_ZERO(&rd);
8478                 FD_SET(xfd, &rd);
8479                 tv.tv_sec = 1;
8480                 tv.tv_usec = 0;
8481                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
8482                         if (errno != EINTR) {
8483                                 DNPRINTF(SWM_D_MISC, "select failed");
8484                         }
8485                 if (restart_wm == 1)
8486                         restart(NULL, NULL);
8487                 if (search_resp == 1)
8488                         search_do_resp();
8489                 if (running == 0)
8490                         goto done;
8491                 if (bar_alarm) {
8492                         bar_alarm = 0;
8493                         bar_update();
8494                 }
8495         }
8496 done:
8497         shutdown_cleanup();
8498
8499         return (0);
8500 }