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  *
  12  * Permission to use, copy, modify, and distribute this software for any
  13  * purpose with or without fee is hereby granted, provided that the above
  14  * copyright notice and this permission notice appear in all copies.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  17  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  18  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  19  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  20  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  21  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  22  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  23  */
  24 /*
  25  * Much code and ideas taken from dwm under the following license:
  26  * MIT/X Consortium License
  27  *
  28  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  29  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  30  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  31  * 2007 Premysl Hruby <dfenze at gmail dot com>
  32  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  33  * 2007 Christof Musik <christof at sendfax dot de>
  34  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  35  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  36  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  37  *
  38  * Permission is hereby granted, free of charge, to any person obtaining a
  39  * copy of this software and associated documentation files (the "Software"),
  40  * to deal in the Software without restriction, including without limitation
  41  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  42  * and/or sell copies of the Software, and to permit persons to whom the
  43  * Software is furnished to do so, subject to the following conditions:
  44  *
  45  * The above copyright notice and this permission notice shall be included in
  46  * all copies or substantial portions of the Software.
  47  *
  48  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  49  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  50  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  51  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  52  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  53  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  54  * DEALINGS IN THE SOFTWARE.
  55  */
  56
  57 /* kernel includes */
  58 #include <sys/types.h>
  59 #include <sys/time.h>
  60 #include <sys/stat.h>
  61 #include <sys/wait.h>
  62 #include <sys/queue.h>
  63 #include <sys/param.h>
  64 #include <sys/select.h>
  65 #if defined(__linux__)
  66 #include "tree.h"
  67 #elif defined(__OpenBSD__)
  68 #include <sys/tree.h>
  69 #elif defined(__FreeBSD__)
  70 #include <sys/tree.h>
  71 #else
  72 #include "tree.h"
  73 #endif
  74
  75 /* /usr/includes */
  76 #include <ctype.h>
  77 #include <err.h>
  78 #include <errno.h>
  79 #include <fcntl.h>
  80 #include <locale.h>
  81 #include <paths.h>
  82 #include <pwd.h>
  83 #include <signal.h>
  84 #include <stdio.h>
  85 #include <stdlib.h>
  86 #include <string.h>
  87 #include <time.h>
  88 #include <unistd.h>
  89 #include <util.h>
  90 #include <X11/cursorfont.h>
  91 #include <X11/keysym.h>
  92 #include <X11/Xatom.h>
  93 #include <X11/XKBlib.h>
  94 #include <X11/Xlib-xcb.h>
  95 #include <X11/Xproto.h>
  96 #include <X11/Xutil.h>
  97 #include <X11/extensions/Xrandr.h>
  98 #include <X11/extensions/XTest.h>
  99 #include <xcb/randr.h>
 100 #include <xcb/xcb_atom.h>
 101 #include <xcb/xcb_aux.h>
 102 #include <xcb/xcb_event.h>
 103 #include <xcb/xcb_icccm.h>
 104 #include <xcb/xcb_keysyms.h>
 105 #include <xcb/xtest.h>
 106
 107 /* local includes */
 108 #include "version.h"
 109 #ifdef __OSX__
 110 #include <osx.h>
 111 #endif
 112
 113 #ifdef SPECTRWM_BUILDSTR
 114 static const char       *buildstr = SPECTRWM_BUILDSTR;
 115 #else
 116 static const char       *buildstr = SPECTRWM_VERSION;
 117 #endif
 118
 119 #if RANDR_MAJOR < 1
 120 #  error XRandR versions less than 1.0 are not supported
 121 #endif
 122
 123 #if RANDR_MAJOR >= 1
 124 #if RANDR_MINOR >= 2
 125 #define SWM_XRR_HAS_CRTC
 126 #endif
 127 #endif
 128
 129 #if defined(__OpenBSD__)
 130 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 131 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 132 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 133 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 134 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 135 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 136 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 137 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 138 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 139 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 140 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 141 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 142 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 143 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 144 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 145 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 146 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 147 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 148 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 149 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 150 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 151 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 152 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 153 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 154 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 155 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 156 #endif
 157
 158 #define SWM_DEBUG
 159 #ifdef SWM_DEBUG
 160 #define DPRINTF(x...) do {                                                      \
 161         if (swm_debug)                                                          \
 162                 fprintf(stderr, x);                                             \
 163 } while (0)
 164 #define DNPRINTF(n,x...) do {                                                   \
 165         if (swm_debug & n) {                                                    \
 166                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 167                 fprintf(stderr, x);                                             \
 168         }                                                                       \
 169 } while (0)
 170 #define SWM_D_MISC              0x0001
 171 #define SWM_D_EVENT             0x0002
 172 #define SWM_D_WS                0x0004
 173 #define SWM_D_FOCUS             0x0008
 174 #define SWM_D_MOVE              0x0010
 175 #define SWM_D_STACK             0x0020
 176 #define SWM_D_MOUSE             0x0040
 177 #define SWM_D_PROP              0x0080
 178 #define SWM_D_CLASS             0x0100
 179 #define SWM_D_KEY               0x0200
 180 #define SWM_D_QUIRK             0x0400
 181 #define SWM_D_SPAWN             0x0800
 182 #define SWM_D_EVENTQ            0x1000
 183 #define SWM_D_CONF              0x2000
 184 #define SWM_D_BAR               0x4000
 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                             ;
 203 #else
 204 #define DPRINTF(x...)
 205 #define DNPRINTF(n,x...)
 206 #endif
 207
 208 #define LENGTH(x)               (int)(sizeof x / sizeof x[0])
 209 #define MODKEY                  Mod1Mask
 210 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 211 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 212 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 213 #define SWM_PROPLEN             (16)
 214 #define SWM_FUNCNAME_LEN        (32)
 215 #define SWM_KEYS_LEN            (255)
 216 #define SWM_QUIRK_LEN           (64)
 217 #define X(r)                    (r)->g.x
 218 #define Y(r)                    (r)->g.y
 219 #define WIDTH(r)                (r)->g.w
 220 #define HEIGHT(r)               (r)->g.h
 221 #define BORDER(w)               (w->bordered ? border_width : 0)
 222 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 223 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 224 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 225 #define SH_MIN_W(w)             (w)->sh.min_width
 226 #define SH_MIN_H(w)             (w)->sh.min_height
 227 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 228 #define SH_MAX_W(w)             (w)->sh.max_width
 229 #define SH_MAX_H(w)             (w)->sh.max_height
 230 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 231 #define SH_INC_W(w)             (w)->sh.width_inc
 232 #define SH_INC_H(w)             (w)->sh.height_inc
 233 #define SWM_MAX_FONT_STEPS      (3)
 234 #define WINID(w)                ((w) ? (w)->id : 0)
 235 #define YESNO(x)                ((x) ? "yes" : "no")
 236
 237 #define SWM_FOCUS_DEFAULT       (0)
 238 #define SWM_FOCUS_SYNERGY       (1)
 239 #define SWM_FOCUS_FOLLOW        (2)
 240
 241 #define SWM_CONF_DEFAULT        (0)
 242 #define SWM_CONF_KEYMAPPING     (1)
 243
 244 #ifndef SWM_LIB
 245 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 246 #endif
 247
 248 char                    **start_argv;
 249 xcb_atom_t              astate;
 250 xcb_atom_t              aprot;
 251 xcb_atom_t              adelete;
 252 xcb_atom_t              takefocus;
 253 xcb_atom_t              a_wmname;
 254 xcb_atom_t              a_netwmname;
 255 xcb_atom_t              a_utf8_string;
 256 xcb_atom_t              a_string;
 257 xcb_atom_t              a_swm_iconic;
 258 volatile sig_atomic_t   running = 1;
 259 volatile sig_atomic_t   restart_wm = 0;
 260 int                     outputs = 0;
 261 /*int                   last_focus_event = FocusOut;*/
 262 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 263 int                     other_wm;
 264 int                     ss_enabled = 0;
 265 int                     xrandr_support;
 266 int                     xrandr_eventbase;
 267 unsigned int            numlockmask = 0;
 268 Display                 *display;
 269 xcb_connection_t        *conn;
 270 xcb_key_symbols_t       *syms;
 271
 272 int                     cycle_empty = 0;
 273 int                     cycle_visible = 0;
 274 int                     term_width = 0;
 275 int                     font_adjusted = 0;
 276 unsigned int            mod_key = MODKEY;
 277
 278 /* dmenu search */
 279 struct swm_region       *search_r;
 280 int                     select_list_pipe[2];
 281 int                     select_resp_pipe[2];
 282 pid_t                   searchpid;
 283 volatile sig_atomic_t   search_resp;
 284 int                     search_resp_action;
 285
 286 struct search_window {
 287         TAILQ_ENTRY(search_window)      entry;
 288         int                             idx;
 289         struct ws_win                   *win;
 290         xcb_gcontext_t                  gc;
 291         xcb_window_t                    indicator;
 292 };
 293 TAILQ_HEAD(search_winlist, search_window);
 294 struct search_winlist                   search_wl;
 295
 296 /* search actions */
 297 enum {
 298         SWM_SEARCH_NONE,
 299         SWM_SEARCH_UNICONIFY,
 300         SWM_SEARCH_NAME_WORKSPACE,
 301         SWM_SEARCH_SEARCH_WORKSPACE,
 302         SWM_SEARCH_SEARCH_WINDOW
 303 };
 304
 305 #define SWM_STACK_TOP           (0)
 306 #define SWM_STACK_BOTTOM        (1)
 307 #define SWM_STACK_ABOVE         (2)
 308 #define SWM_STACK_BELOW         (3)
 309
 310 /* dialog windows */
 311 double                  dialog_ratio = 0.6;
 312 /* status bar */
 313 #define SWM_BAR_MAX             (256)
 314 #define SWM_BAR_JUSTIFY_LEFT    (0)
 315 #define SWM_BAR_JUSTIFY_CENTER  (1)
 316 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 317 #define SWM_BAR_OFFSET          (4)
 318 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*," \
 319                                 "-*-profont-*-*-*-*-*-*-*-*-*-*-*-*,"       \
 320                                 "-*-times-medium-r-*-*-*-*-*-*-*-*-*-*,"    \
 321                                 "-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*,"  \
 322                                 "-*-*-*-r-*--*-*-*-*-*-*-*-*"
 323
 324 char                    *bar_argv[] = { NULL, NULL };
 325 int                     bar_pipe[2];
 326 unsigned char           bar_ext[SWM_BAR_MAX];
 327 char                    bar_vertext[SWM_BAR_MAX];
 328 int                     bar_version = 0;
 329 sig_atomic_t            bar_alarm = 0;
 330 int                     bar_delay = 30;
 331 int                     bar_enabled = 1;
 332 int                     bar_border_width = 1;
 333 int                     bar_at_bottom = 0;
 334 int                     bar_extra = 1;
 335 int                     bar_extra_running = 0;
 336 int                     bar_verbose = 1;
 337 int                     bar_height = 0;
 338 int                     bar_justify = SWM_BAR_JUSTIFY_LEFT;
 339 char                    *bar_format = NULL;
 340 int                     stack_enabled = 1;
 341 int                     clock_enabled = 1;
 342 int                     urgent_enabled = 0;
 343 char                    *clock_format = NULL;
 344 int                     title_name_enabled = 0;
 345 int                     title_class_enabled = 0;
 346 int                     window_name_enabled = 0;
 347 int                     focus_mode = SWM_FOCUS_DEFAULT;
 348 int                     focus_close = SWM_STACK_BELOW;
 349 int                     focus_close_wrap = 1;
 350 int                     focus_default = SWM_STACK_TOP;
 351 int                     spawn_position = SWM_STACK_TOP;
 352 int                     disable_border = 0;
 353 int                     border_width = 1;
 354 int                     verbose_layout = 0;
 355 time_t                  time_started;
 356 pid_t                   bar_pid;
 357 XFontSet                bar_fs;
 358 XFontSetExtents         *bar_fs_extents;
 359 char                    *bar_fonts;
 360 struct passwd           *pwd;
 361
 362 #define SWM_MENU_FN     (2)
 363 #define SWM_MENU_NB     (4)
 364 #define SWM_MENU_NF     (6)
 365 #define SWM_MENU_SB     (8)
 366 #define SWM_MENU_SF     (10)
 367
 368 /* layout manager data */
 369 struct swm_geometry {
 370         int                     x;
 371         int                     y;
 372         int                     w;
 373         int                     h;
 374 };
 375
 376 struct swm_screen;
 377 struct workspace;
 378
 379 struct swm_bar {
 380         xcb_window_t            id;
 381         xcb_pixmap_t            buffer;
 382         struct swm_geometry     g;
 383 };
 384
 385 /* virtual "screens" */
 386 struct swm_region {
 387         TAILQ_ENTRY(swm_region) entry;
 388         struct swm_geometry     g;
 389         struct workspace        *ws;    /* current workspace on this region */
 390         struct workspace        *ws_prior; /* prior workspace on this region */
 391         struct swm_screen       *s;     /* screen idx */
 392         struct swm_bar          *bar;
 393 };
 394 TAILQ_HEAD(swm_region_list, swm_region);
 395
 396 struct ws_win {
 397         TAILQ_ENTRY(ws_win)     entry;
 398         xcb_window_t            id;
 399         xcb_window_t            transient;
 400         struct ws_win           *child_trans;   /* transient child window */
 401         struct swm_geometry     g;              /* current geometry */
 402         struct swm_geometry     g_float;        /* region coordinates */
 403         int                     g_floatvalid;   /* g_float geometry validity */
 404         int                     floatmaxed;     /* whether maxed by max_stack */
 405         int                     floating;
 406         int                     manual;
 407         int32_t                 iconic;
 408         int                     bordered;
 409         unsigned int            ewmh_flags;
 410         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 411         int                     font_steps;
 412         int                     last_inc;
 413         int                     can_delete;
 414         int                     take_focus;
 415         int                     java;
 416         unsigned long           quirks;
 417         struct workspace        *ws;    /* always valid */
 418         struct swm_screen       *s;     /* always valid, never changes */
 419         xcb_get_geometry_reply_t        *wa;
 420         xcb_size_hints_t        sh;
 421         xcb_icccm_get_wm_class_reply_t  ch;
 422         xcb_icccm_wm_hints_t    hints;
 423 };
 424 TAILQ_HEAD(ws_win_list, ws_win);
 425
 426 /* pid goo */
 427 struct pid_e {
 428         TAILQ_ENTRY(pid_e)      entry;
 429         pid_t                   pid;
 430         int                     ws;
 431 };
 432 TAILQ_HEAD(pid_list, pid_e);
 433 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 434
 435 /* layout handlers */
 436 void    stack(void);
 437 void    vertical_config(struct workspace *, int);
 438 void    vertical_stack(struct workspace *, struct swm_geometry *);
 439 void    horizontal_config(struct workspace *, int);
 440 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 441 void    max_stack(struct workspace *, struct swm_geometry *);
 442 void    plain_stacker(struct workspace *);
 443 void    fancy_stacker(struct workspace *);
 444
 445 struct layout {
 446         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 447         void            (*l_config)(struct workspace *, int);
 448         u_int32_t       flags;
 449 #define SWM_L_FOCUSPREV         (1<<0)
 450 #define SWM_L_MAPONFOCUS        (1<<1)
 451         void            (*l_string)(struct workspace *);
 452 } layouts[] =  {
 453         /* stack,               configure */
 454         { vertical_stack,       vertical_config,        0,      plain_stacker },
 455         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 456         { max_stack,            NULL,
 457           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 458         { NULL,                 NULL,                   0,      NULL  },
 459 };
 460
 461 /* position of max_stack mode in the layouts array, index into layouts! */
 462 #define SWM_V_STACK             (0)
 463 #define SWM_H_STACK             (1)
 464 #define SWM_MAX_STACK           (2)
 465
 466 #define SWM_H_SLICE             (32)
 467 #define SWM_V_SLICE             (32)
 468
 469 /* define work spaces */
 470 struct workspace {
 471         int                     idx;            /* workspace index */
 472         char                    *name;          /* workspace name */
 473         int                     always_raise;   /* raise windows on focus */
 474         struct layout           *cur_layout;    /* current layout handlers */
 475         struct ws_win           *focus;         /* may be NULL */
 476         struct ws_win           *focus_prev;    /* may be NULL */
 477         struct swm_region       *r;             /* may be NULL */
 478         struct swm_region       *old_r;         /* may be NULL */
 479         struct ws_win_list      winlist;        /* list of windows in ws */
 480         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 481         char                    stacker[10];    /* display stacker and layout */
 482
 483         /* stacker state */
 484         struct {
 485                                 int horizontal_msize;
 486                                 int horizontal_mwin;
 487                                 int horizontal_stacks;
 488                                 int horizontal_flip;
 489                                 int vertical_msize;
 490                                 int vertical_mwin;
 491                                 int vertical_stacks;
 492                                 int vertical_flip;
 493         } l_state;
 494 };
 495
 496 enum {
 497         SWM_S_COLOR_BAR,
 498         SWM_S_COLOR_BAR_BORDER,
 499         SWM_S_COLOR_BAR_FONT,
 500         SWM_S_COLOR_FOCUS,
 501         SWM_S_COLOR_UNFOCUS,
 502         SWM_S_COLOR_MAX
 503 };
 504
 505 /* physical screen mapping */
 506 #define SWM_WS_MAX              (22)    /* hard limit */
 507 int             workspace_limit = 10;   /* soft limit */
 508
 509 struct swm_screen {
 510         int                     idx;    /* screen index */
 511         struct swm_region_list  rl;     /* list of regions on this screen */
 512         struct swm_region_list  orl;    /* list of old regions */
 513         xcb_window_t            root;
 514         struct workspace        ws[SWM_WS_MAX];
 515
 516         /* colors */
 517         struct {
 518                 uint32_t        color;
 519                 char            *name;
 520         } c[SWM_S_COLOR_MAX];
 521
 522         xcb_gcontext_t          bar_gc;
 523 };
 524 struct swm_screen       *screens;
 525
 526 /* args to functions */
 527 union arg {
 528         int                     id;
 529 #define SWM_ARG_ID_FOCUSNEXT    (0)
 530 #define SWM_ARG_ID_FOCUSPREV    (1)
 531 #define SWM_ARG_ID_FOCUSMAIN    (2)
 532 #define SWM_ARG_ID_FOCUSCUR     (4)
 533 #define SWM_ARG_ID_SWAPNEXT     (10)
 534 #define SWM_ARG_ID_SWAPPREV     (11)
 535 #define SWM_ARG_ID_SWAPMAIN     (12)
 536 #define SWM_ARG_ID_MOVELAST     (13)
 537 #define SWM_ARG_ID_MASTERSHRINK (20)
 538 #define SWM_ARG_ID_MASTERGROW   (21)
 539 #define SWM_ARG_ID_MASTERADD    (22)
 540 #define SWM_ARG_ID_MASTERDEL    (23)
 541 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 542 #define SWM_ARG_ID_STACKRESET   (30)
 543 #define SWM_ARG_ID_STACKINIT    (31)
 544 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 545 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 546 #define SWM_ARG_ID_CYCLESC_UP   (42)
 547 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 548 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 549 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 550 #define SWM_ARG_ID_STACKINC     (50)
 551 #define SWM_ARG_ID_STACKDEC     (51)
 552 #define SWM_ARG_ID_SS_ALL       (60)
 553 #define SWM_ARG_ID_SS_WINDOW    (61)
 554 #define SWM_ARG_ID_DONTCENTER   (70)
 555 #define SWM_ARG_ID_CENTER       (71)
 556 #define SWM_ARG_ID_KILLWINDOW   (80)
 557 #define SWM_ARG_ID_DELETEWINDOW (81)
 558 #define SWM_ARG_ID_WIDTHGROW    (90)
 559 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 560 #define SWM_ARG_ID_HEIGHTGROW   (92)
 561 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 562 #define SWM_ARG_ID_MOVEUP       (100)
 563 #define SWM_ARG_ID_MOVEDOWN     (101)
 564 #define SWM_ARG_ID_MOVELEFT     (102)
 565 #define SWM_ARG_ID_MOVERIGHT    (103)
 566         char                    **argv;
 567 };
 568
 569 /* quirks */
 570 struct quirk {
 571         TAILQ_ENTRY(quirk)      entry;
 572         char                    *class;
 573         char                    *name;
 574         unsigned long           quirk;
 575 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 576 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 577 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 578 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 579 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 580 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 581 };
 582 TAILQ_HEAD(quirk_list, quirk);
 583 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 584
 585 /*
 586  * Supported EWMH hints should be added to
 587  * both the enum and the ewmh array
 588  */
 589 enum {
 590         _NET_ACTIVE_WINDOW,
 591         _NET_CLOSE_WINDOW,
 592         _NET_MOVERESIZE_WINDOW,
 593         _NET_WM_ACTION_CLOSE,
 594         _NET_WM_ACTION_FULLSCREEN,
 595         _NET_WM_ACTION_MOVE,
 596         _NET_WM_ACTION_RESIZE,
 597         _NET_WM_ALLOWED_ACTIONS,
 598         _NET_WM_STATE,
 599         _NET_WM_STATE_ABOVE,
 600         _NET_WM_STATE_FULLSCREEN,
 601         _NET_WM_STATE_HIDDEN,
 602         _NET_WM_STATE_MAXIMIZED_HORZ,
 603         _NET_WM_STATE_MAXIMIZED_VERT,
 604         _NET_WM_STATE_SKIP_PAGER,
 605         _NET_WM_STATE_SKIP_TASKBAR,
 606         _NET_WM_WINDOW_TYPE,
 607         _NET_WM_WINDOW_TYPE_DIALOG,
 608         _NET_WM_WINDOW_TYPE_DOCK,
 609         _NET_WM_WINDOW_TYPE_NORMAL,
 610         _NET_WM_WINDOW_TYPE_SPLASH,
 611         _NET_WM_WINDOW_TYPE_TOOLBAR,
 612         _NET_WM_WINDOW_TYPE_UTILITY,
 613         _SWM_WM_STATE_MANUAL,
 614         SWM_EWMH_HINT_MAX
 615 };
 616
 617 struct ewmh_hint {
 618         char            *name;
 619         xcb_atom_t      atom;
 620 } ewmh[SWM_EWMH_HINT_MAX] =     {
 621     /* must be in same order as in the enum */
 622     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 623     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 624     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 625     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 626     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 627     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 628     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 629     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 630     {"_NET_WM_STATE", XCB_ATOM_NONE},
 631     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 632     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 633     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 634     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 635     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 636     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 637     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 638     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 639     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 640     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 641     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 642     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 643     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 644     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 645     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 646 };
 647
 648 /* function prototypes */
 649 int      conf_load(char *, int);
 650 void     constrain_window(struct ws_win *, struct swm_region *, int);
 651 void     do_sync(void);
 652 void     event_handle(xcb_generic_event_t *);
 653 struct ws_win   *find_window(xcb_window_t);
 654 int      floating_toggle_win(struct ws_win *);
 655 void     focus(struct swm_region *, union arg *);
 656 void     focus_magic(struct ws_win *);
 657 xcb_atom_t get_atom_from_string(const char *);
 658 xcb_screen_t    *get_screen(int);
 659 char    *get_win_name(xcb_window_t);
 660 uint16_t getstate(xcb_window_t);
 661 void     grabbuttons(struct ws_win *, int);
 662 void     map_window_raised(xcb_window_t);
 663 void     new_region(struct swm_screen *, int, int, int, int);
 664 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 665 void     spawn_select(struct swm_region *, union arg *, char *, int *);
 666 void     store_float_geom(struct ws_win *, struct swm_region *);
 667 void     unmanage_window(struct ws_win *);
 668 void     update_window(struct ws_win *);
 669
 670 /* function definitions */
 671 int
 672 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
 673 {
 674         unsigned int    tmpr, tmpg, tmpb;
 675
 676         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
 677                 return (-1);
 678
 679         *rr = tmpr << 8;
 680         *gg = tmpg << 8;
 681         *bb = tmpb << 8;
 682
 683         return (0);
 684 }
 685
 686 xcb_screen_t *
 687 get_screen(int screen)
 688 {
 689         xcb_screen_iterator_t i;
 690
 691         i = xcb_setup_roots_iterator(xcb_get_setup(conn));
 692         for (; i.rem; --screen, xcb_screen_next(&i))
 693                 if (screen == 0)
 694                         return (i.data);
 695
 696         return (NULL);
 697 }
 698
 699 void
 700 do_sync(void)
 701 {
 702         xcb_get_input_focus_cookie_t    c;
 703         xcb_get_input_focus_reply_t     *r;
 704
 705         /* mimic XSync() */
 706         c = xcb_get_input_focus(conn);
 707         xcb_flush(conn);
 708         r = xcb_get_input_focus_reply(conn, c, NULL);
 709         if (r)
 710                 free(r);
 711 }
 712
 713 void
 714 map_window_raised(xcb_window_t win)
 715 {
 716         uint32_t        val = XCB_STACK_MODE_ABOVE;
 717
 718         xcb_configure_window(conn, win,
 719             XCB_CONFIG_WINDOW_STACK_MODE, &val);
 720
 721         xcb_map_window(conn, win);
 722 }
 723
 724 xcb_atom_t
 725 get_atom_from_string(const char *str)
 726 {
 727         xcb_intern_atom_cookie_t        c;
 728         xcb_intern_atom_reply_t         *r;
 729         xcb_atom_t                      atom;
 730
 731         c = xcb_intern_atom(conn, False, strlen(str), str);
 732         r = xcb_intern_atom_reply(conn, c, NULL);
 733         if (r) {
 734                 atom = r->atom;
 735                 free(r);
 736
 737                 return (atom);
 738         }
 739
 740         return (XCB_ATOM_NONE);
 741 }
 742
 743 void
 744 update_iconic(struct ws_win *win, int newv)
 745 {
 746         int32_t                         v = newv;
 747         xcb_atom_t                      iprop;
 748
 749         win->iconic = newv;
 750
 751         iprop = get_atom_from_string("_SWM_ICONIC");
 752         if (iprop == XCB_ATOM_NONE)
 753                 return;
 754
 755         if (newv)
 756                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 757                     iprop, XCB_ATOM_INTEGER, 32, 1, &v);
 758         else
 759                 xcb_delete_property(conn, win->id, iprop);
 760 }
 761
 762 int32_t
 763 get_iconic(struct ws_win *win)
 764 {
 765         int32_t                         v = 0;
 766         xcb_atom_t                      iprop;
 767         xcb_get_property_reply_t        *pr = NULL;
 768
 769         iprop = get_atom_from_string("_SWM_ICONIC");
 770         if (iprop == XCB_ATOM_NONE)
 771                 goto out;
 772
 773         pr = xcb_get_property_reply(conn,
 774             xcb_get_property(conn, False, win->id, iprop, XCB_ATOM_INTEGER,
 775             0, 1), NULL);
 776         if (!pr)
 777                 goto out;
 778         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
 779                 goto out;
 780         v = *((int32_t *)xcb_get_property_value(pr));
 781 out:
 782         if (pr)
 783                 free(pr);
 784         return (v);
 785 }
 786
 787 void
 788 setup_ewmh(void)
 789 {
 790         xcb_atom_t                      sup_list;
 791         int                             i, j, num_screens;
 792
 793         sup_list = get_atom_from_string("_NET_SUPPORTED");
 794
 795         for (i = 0; i < LENGTH(ewmh); i++)
 796                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
 797
 798         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 799         for (i = 0; i < num_screens; i++) {
 800                 /* Support check window will be created by workaround(). */
 801
 802                 /* Report supported atoms */
 803                 xcb_delete_property(conn, screens[i].root, sup_list);
 804                 for (j = 0; j < LENGTH(ewmh); j++)
 805                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
 806                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
 807                             &ewmh[j].atom);
 808         }
 809 }
 810
 811 void
 812 teardown_ewmh(void)
 813 {
 814         int                             i, num_screens;
 815         xcb_atom_t                      sup_check, sup_list;
 816         xcb_window_t                    id;
 817         xcb_get_property_cookie_t       pc;
 818         xcb_get_property_reply_t        *pr;
 819
 820         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
 821         sup_list = get_atom_from_string("_NET_SUPPORTED");
 822         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
 823
 824         for (i = 0; i < num_screens; i++) {
 825                 /* Get the support check window and destroy it */
 826                 pc = xcb_get_property(conn, False, screens[i].root, sup_check,
 827                     XCB_ATOM_WINDOW, 0, 1);
 828                 pr = xcb_get_property_reply(conn, pc, NULL);
 829                 if (pr) {
 830                         id = *((xcb_window_t *)xcb_get_property_value(pr));
 831
 832                         xcb_destroy_window(conn, id);
 833                         xcb_delete_property(conn, screens[i].root, sup_check);
 834                         xcb_delete_property(conn, screens[i].root, sup_list);
 835
 836                         free(pr);
 837                 }
 838         }
 839 }
 840
 841 void
 842 ewmh_autoquirk(struct ws_win *win)
 843 {
 844         uint32_t                i, n;
 845         xcb_atom_t              *type;
 846         xcb_get_property_cookie_t       c;
 847         xcb_get_property_reply_t        *r;
 848
 849         c = xcb_get_property(conn, False, win->id,
 850             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
 851         r = xcb_get_property_reply(conn, c, NULL);
 852         if (!r)
 853                 return;
 854
 855         n = xcb_get_property_value_length(r);
 856         type = xcb_get_property_value(r);
 857
 858         for (i = 0; i < n; i++) {
 859                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
 860                         break;
 861                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
 862                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
 863                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
 864                         win->floating = 1;
 865                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
 866                         break;
 867                 }
 868                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
 869                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
 870                         win->floating = 1;
 871                         win->quirks = SWM_Q_FLOAT;
 872                         break;
 873                 }
 874         }
 875         free(r);
 876 }
 877
 878 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
 879 #define EWMH_F_FULLSCREEN               (1<<0)
 880 #define EWMH_F_ABOVE                    (1<<1)
 881 #define EWMH_F_HIDDEN                   (1<<2)
 882 #define EWMH_F_SKIP_PAGER               (1<<3)
 883 #define EWMH_F_SKIP_TASKBAR             (1<<4)
 884 #define SWM_F_MANUAL                    (1<<5)
 885
 886 int
 887 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
 888 {
 889         if (!win->ws->r)
 890                 return (0);
 891
 892         if (!win->floating)
 893                 return (0);
 894
 895         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
 896             "fullscreen %s\n", win->id, YESNO(fs));
 897
 898         if (fs) {
 899                 if (!win->g_floatvalid)
 900                         store_float_geom(win, win->ws->r);
 901
 902                 win->g = win->ws->r->g;
 903                 win->bordered = 0;
 904         } else {
 905                 if (win->g_floatvalid) {
 906                         /* refloat at last floating relative position */
 907                         win->g = win->g_float;
 908                         X(win) += X(win->ws->r);
 909                         Y(win) += Y(win->ws->r);
 910                 }
 911         }
 912
 913         return (1);
 914 }
 915
 916 void
 917 ewmh_update_actions(struct ws_win *win)
 918 {
 919         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
 920         int                     n = 0;
 921
 922         if (win == NULL)
 923                 return;
 924
 925         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
 926
 927         if (win->floating) {
 928                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
 929                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
 930         }
 931
 932         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
 933             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
 934 }
 935
 936 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
 937 #define _NET_WM_STATE_ADD       1    /* add/set property */
 938 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
 939
 940 void
 941 ewmh_update_win_state(struct ws_win *win, long state, long action)
 942 {
 943         unsigned int            mask = 0;
 944         unsigned int            changed = 0;
 945         unsigned int            orig_flags;
 946
 947         if (win == NULL)
 948                 return;
 949
 950         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 951                 mask = EWMH_F_FULLSCREEN;
 952         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 953                 mask = EWMH_F_ABOVE;
 954         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 955                 mask = SWM_F_MANUAL;
 956         if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
 957                 mask = EWMH_F_SKIP_PAGER;
 958         if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
 959                 mask = EWMH_F_SKIP_TASKBAR;
 960
 961
 962         orig_flags = win->ewmh_flags;
 963
 964         switch (action) {
 965         case _NET_WM_STATE_REMOVE:
 966                 win->ewmh_flags &= ~mask;
 967                 break;
 968         case _NET_WM_STATE_ADD:
 969                 win->ewmh_flags |= mask;
 970                 break;
 971         case _NET_WM_STATE_TOGGLE:
 972                 win->ewmh_flags ^= mask;
 973                 break;
 974         }
 975
 976         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
 977
 978         if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
 979                 if (changed)
 980                         if (!floating_toggle_win(win))
 981                                 win->ewmh_flags = orig_flags; /* revert */
 982         if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
 983                 if (changed)
 984                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
 985         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
 986                 if (changed)
 987                         if (!ewmh_set_win_fullscreen(win,
 988                             win->ewmh_flags & EWMH_F_FULLSCREEN))
 989                                 win->ewmh_flags = orig_flags; /* revert */
 990
 991         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
 992
 993         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
 994                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 995                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
 996                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
 997         if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
 998                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
 999                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1000                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1001         if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1002                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1003                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1004                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1005         if (win->ewmh_flags & EWMH_F_ABOVE)
1006                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1007                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1008                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1009         if (win->ewmh_flags & SWM_F_MANUAL)
1010                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1011                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1012                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1013 }
1014
1015 void
1016 ewmh_get_win_state(struct ws_win *win)
1017 {
1018         xcb_atom_t                      *states;
1019         xcb_get_property_cookie_t       c;
1020         xcb_get_property_reply_t        *r;
1021         int                             i, n;
1022
1023         if (win == NULL)
1024                 return;
1025
1026         win->ewmh_flags = 0;
1027         if (win->floating)
1028                 win->ewmh_flags |= EWMH_F_ABOVE;
1029         if (win->manual)
1030                 win->ewmh_flags |= SWM_F_MANUAL;
1031
1032         c = xcb_get_property(conn, False, win->id, ewmh[_NET_WM_STATE].atom,
1033             XCB_ATOM_ATOM, 0, UINT32_MAX);
1034         r = xcb_get_property_reply(conn, c, NULL);
1035         if (!r)
1036                 return;
1037
1038         states = xcb_get_property_value(r);
1039         n = xcb_get_property_value_length(r);
1040
1041         for (i = 0; i < n; i++)
1042                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1043
1044         free(r);
1045 }
1046
1047 /* events */
1048 #ifdef SWM_DEBUG
1049 void
1050 dumpwins(struct swm_region *r, union arg *args)
1051 {
1052         struct ws_win                           *win;
1053         uint16_t                                state;
1054         xcb_get_window_attributes_cookie_t      c;
1055         xcb_get_window_attributes_reply_t       *wa;
1056
1057         if (r->ws == NULL) {
1058                 warnx("dumpwins: invalid workspace");
1059                 return;
1060         }
1061
1062         warnx("=== managed window list ws %02d ===", r->ws->idx);
1063         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1064                 state = getstate(win->id);
1065                 c = xcb_get_window_attributes(conn, win->id);
1066                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1067                 if (wa) {
1068                         warnx("window: 0x%x, map_state: %d, state: %u, "
1069                             "transient: 0x%x", win->id, wa->map_state,
1070                             state, win->transient);
1071                         free(wa);
1072                 } else
1073                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1074                             win->id);
1075         }
1076
1077         warnx("===== unmanaged window list =====");
1078         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1079                 state = getstate(win->id);
1080                 c = xcb_get_window_attributes(conn, win->id);
1081                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1082                 if (wa) {
1083                         warnx("window: 0x%x, map_state: %d, state: %u, "
1084                             "transient: 0x%x", win->id, wa->map_state,
1085                             state, win->transient);
1086                         free(wa);
1087                 } else
1088                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1089                             win->id);
1090         }
1091
1092         warnx("=================================");
1093 }
1094 #else
1095 void
1096 dumpwins(struct swm_region *r, union arg *args)
1097 {
1098 }
1099 #endif /* SWM_DEBUG */
1100
1101 void                    event_error(xcb_generic_error_t *);
1102 void                    expose(xcb_expose_event_t *);
1103 void                    keypress(xcb_key_press_event_t *);
1104 void                    buttonpress(xcb_button_press_event_t *);
1105 void                    configurerequest(xcb_configure_request_event_t *);
1106 void                    configurenotify(xcb_configure_notify_event_t *);
1107 void                    destroynotify(xcb_destroy_notify_event_t *);
1108 void                    enternotify(xcb_enter_notify_event_t *);
1109 void                    mapnotify(xcb_map_notify_event_t *);
1110 void                    mappingnotify(xcb_mapping_notify_event_t *);
1111 void                    maprequest(xcb_map_request_event_t *);
1112 void                    propertynotify(xcb_property_notify_event_t *);
1113 void                    unmapnotify(xcb_unmap_notify_event_t *);
1114 /*void                  visibilitynotify(xcb_visibility_notify_event_t *);*/
1115 void                    clientmessage(xcb_client_message_event_t *);
1116 void                    screenchange(xcb_randr_screen_change_notify_event_t *);
1117
1118 void
1119 sighdlr(int sig)
1120 {
1121         int                     saved_errno, status;
1122         pid_t                   pid;
1123
1124         saved_errno = errno;
1125
1126         switch (sig) {
1127         case SIGCHLD:
1128                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1129                         if (pid == -1) {
1130                                 if (errno == EINTR)
1131                                         continue;
1132 #ifdef SWM_DEBUG
1133                                 if (errno != ECHILD)
1134                                         warn("sighdlr: waitpid");
1135 #endif /* SWM_DEBUG */
1136                                 break;
1137                         }
1138                         if (pid == searchpid)
1139                                 search_resp = 1;
1140
1141 #ifdef SWM_DEBUG
1142                         if (WIFEXITED(status)) {
1143                                 if (WEXITSTATUS(status) != 0)
1144                                         warnx("sighdlr: child exit status: %d",
1145                                             WEXITSTATUS(status));
1146                         } else
1147                                 warnx("sighdlr: child is terminated "
1148                                     "abnormally");
1149 #endif /* SWM_DEBUG */
1150                 }
1151                 break;
1152
1153         case SIGHUP:
1154                 restart_wm = 1;
1155                 break;
1156         case SIGINT:
1157         case SIGTERM:
1158         case SIGQUIT:
1159                 running = 0;
1160                 break;
1161         }
1162
1163         errno = saved_errno;
1164 }
1165
1166 struct pid_e *
1167 find_pid(pid_t pid)
1168 {
1169         struct pid_e            *p = NULL;
1170
1171         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1172
1173         if (pid == 0)
1174                 return (NULL);
1175
1176         TAILQ_FOREACH(p, &pidlist, entry) {
1177                 if (p->pid == pid)
1178                         return (p);
1179         }
1180
1181         return (NULL);
1182 }
1183
1184 uint32_t
1185 name_to_color(const char *colorname)
1186 {
1187         uint32_t                        result = 0;
1188         char                            cname[32] = "#";
1189         xcb_screen_t                    *screen;
1190         xcb_colormap_t                  cmap;
1191         xcb_alloc_color_reply_t         *cr;
1192         xcb_alloc_named_color_reply_t   *nr;
1193         uint16_t                        rr, gg, bb;
1194
1195         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
1196         cmap = screen->default_colormap;
1197
1198         /* color is in format rgb://rr/gg/bb */
1199         if (strncmp(colorname, "rgb:", 4) == 0) {
1200                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1201                         warnx("could not parse rgb %s", colorname);
1202                 else {
1203                         cr = xcb_alloc_color_reply(conn,
1204                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1205                             NULL);
1206                         if (cr) {
1207                                 result = cr->pixel;
1208                                 free(cr);
1209                         } else
1210                                 warnx("color '%s' not found", colorname);
1211                 }
1212         } else {
1213                 nr = xcb_alloc_named_color_reply(conn,
1214                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1215                             colorname), NULL);
1216                 if (!nr) {
1217                         strlcat(cname, colorname + 2, sizeof cname - 1);
1218                         nr = xcb_alloc_named_color_reply(conn,
1219                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1220                             cname), NULL);
1221                 }
1222                 if (nr) {
1223                         result = nr->pixel;
1224                         free(nr);
1225                 } else
1226                         warnx("color '%s' not found", colorname);
1227         }
1228
1229         return (result);
1230 }
1231
1232 void
1233 setscreencolor(char *val, int i, int c)
1234 {
1235         int     num_screens;
1236
1237         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1238         if (i > 0 && i <= num_screens) {
1239                 screens[i - 1].c[c].color = name_to_color(val);
1240                 free(screens[i - 1].c[c].name);
1241                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1242                         err(1, "strdup");
1243         } else if (i == -1) {
1244                 for (i = 0; i < num_screens; i++) {
1245                         screens[i].c[c].color = name_to_color(val);
1246                         free(screens[i].c[c].name);
1247                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1248                                 err(1, "strdup");
1249                 }
1250         } else
1251                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1252                     i, num_screens);
1253 }
1254
1255 void
1256 fancy_stacker(struct workspace *ws)
1257 {
1258         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1259         if (ws->cur_layout->l_stack == vertical_stack)
1260                 snprintf(ws->stacker, sizeof ws->stacker,
1261                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1262                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1263         if (ws->cur_layout->l_stack == horizontal_stack)
1264                 snprintf(ws->stacker, sizeof ws->stacker,
1265                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1266                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1267 }
1268
1269 void
1270 plain_stacker(struct workspace *ws)
1271 {
1272         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1273         if (ws->cur_layout->l_stack == vertical_stack)
1274                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1275                     sizeof ws->stacker);
1276         if (ws->cur_layout->l_stack == horizontal_stack)
1277                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1278                     sizeof ws->stacker);
1279 }
1280
1281 void
1282 custom_region(char *val)
1283 {
1284         unsigned int                    sidx, x, y, w, h;
1285         int                             num_screens;
1286         xcb_screen_t                    *screen;
1287
1288         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1289         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1290                 errx(1, "invalid custom region, "
1291                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1292         if (sidx < 1 || sidx > num_screens)
1293                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1294                     sidx, num_screens);
1295         sidx--;
1296
1297         screen = get_screen(sidx);
1298         if (w < 1 || h < 1)
1299                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1300
1301         if (x > screen->width_in_pixels ||
1302             y > screen->height_in_pixels ||
1303             w + x > screen->width_in_pixels ||
1304             h + y > screen->height_in_pixels) {
1305                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1306                     "boundaries (%ux%u)", w, h, x, y,
1307                     screen->width_in_pixels, screen->height_in_pixels);
1308                 return;
1309         }
1310
1311         new_region(&screens[sidx], x, y, w, h);
1312 }
1313
1314 void
1315 socket_setnonblock(int fd)
1316 {
1317         int                     flags;
1318
1319         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1320                 err(1, "fcntl F_GETFL");
1321         flags |= O_NONBLOCK;
1322         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1323                 err(1, "fcntl F_SETFL");
1324 }
1325
1326 void
1327 bar_print(struct swm_region *r, const char *s)
1328 {
1329         int                     x = 0;
1330         size_t                  len;
1331         xcb_rectangle_t         rect;
1332         uint32_t                gcv[1];
1333         XRectangle              ibox, lbox;
1334
1335         len = strlen(s);
1336         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1337
1338         switch (bar_justify) {
1339         case SWM_BAR_JUSTIFY_LEFT:
1340                 x = SWM_BAR_OFFSET;
1341                 break;
1342         case SWM_BAR_JUSTIFY_CENTER:
1343                 x = (WIDTH(r) - lbox.width) / 2;
1344                 break;
1345         case SWM_BAR_JUSTIFY_RIGHT:
1346                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1347                 break;
1348         }
1349
1350         if (x < SWM_BAR_OFFSET)
1351                 x = SWM_BAR_OFFSET;
1352
1353         rect.x = 0;
1354         rect.y = 0;
1355         rect.width = WIDTH(r->bar);
1356         rect.height = HEIGHT(r->bar);
1357
1358         /* clear back buffer */
1359         gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
1360         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1361         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc,
1362             sizeof(rect), &rect);
1363
1364         /* draw back buffer */
1365         gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
1366         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_BACKGROUND, gcv);
1367         gcv[0] = r->s->c[SWM_S_COLOR_BAR_FONT].color;
1368         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1369         xcb_image_text_8(conn, len, r->bar->buffer, r->s->bar_gc, x,
1370             (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1371             lbox.y, s);
1372
1373         /* blt */
1374         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1375             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1376 }
1377
1378 void
1379 bar_extra_stop(void)
1380 {
1381         if (bar_pipe[0]) {
1382                 close(bar_pipe[0]);
1383                 bzero(bar_pipe, sizeof bar_pipe);
1384         }
1385         if (bar_pid) {
1386                 kill(bar_pid, SIGTERM);
1387                 bar_pid = 0;
1388         }
1389         strlcpy((char *)bar_ext, "", sizeof bar_ext);
1390         bar_extra = 0;
1391 }
1392
1393 void
1394 bar_class_name(char *s, size_t sz, struct swm_region *r)
1395 {
1396         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1397                 return;
1398         if (r->ws->focus->ch.class_name != NULL)
1399                 strlcat(s, r->ws->focus->ch.class_name, sz);
1400 }
1401
1402 void
1403 bar_title_name(char *s, size_t sz, struct swm_region *r)
1404 {
1405         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1406                 return;
1407         if (r->ws->focus->ch.instance_name != NULL)
1408                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1409 }
1410
1411 void
1412 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1413 {
1414         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1415                 return;
1416
1417         bar_class_name(s, sz, r);
1418         strlcat(s, ":", sz);
1419         bar_title_name(s, sz, r);
1420 }
1421
1422 void
1423 bar_window_float(char *s, size_t sz, struct swm_region *r)
1424 {
1425         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1426                 return;
1427         if (r->ws->focus->floating)
1428                 strlcat(s, "(f)", sz);
1429 }
1430
1431 void
1432 bar_window_name(char *s, size_t sz, struct swm_region *r)
1433 {
1434         char            *title;
1435
1436         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1437                 return;
1438         if ((title = get_win_name(r->ws->focus->id)) == NULL)
1439                 return;
1440
1441         strlcat(s, title, sz);
1442         free(title);
1443 }
1444
1445 int             urgent[SWM_WS_MAX];
1446 void
1447 bar_urgent(char *s, size_t sz)
1448 {
1449         struct ws_win           *win;
1450         int                     i, j, num_screens;
1451         char                    b[8];
1452         xcb_get_property_cookie_t       c;
1453         xcb_icccm_wm_hints_t    hints;
1454
1455         for (i = 0; i < workspace_limit; i++)
1456                 urgent[i] = 0;
1457
1458         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1459         for (i = 0; i < num_screens; i++)
1460                 for (j = 0; j < workspace_limit; j++)
1461                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
1462                                 c = xcb_icccm_get_wm_hints(conn, win->id);
1463                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
1464                                     &hints, NULL) == 0)
1465                                         continue;
1466                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
1467                                         urgent[j] = 1;
1468                         }
1469
1470         for (i = 0; i < workspace_limit; i++) {
1471                 if (urgent[i])
1472                         snprintf(b, sizeof b, "%d ", i + 1);
1473                 else
1474                         snprintf(b, sizeof b, "- ");
1475                 strlcat(s, b, sz);
1476         }
1477 }
1478
1479 void
1480 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
1481 {
1482         if (r == NULL || r->ws == NULL)
1483                 return;
1484         if (r->ws->name != NULL)
1485                 strlcat(s, r->ws->name, sz);
1486 }
1487
1488 /* build the default bar format according to the defined enabled options */
1489 void
1490 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
1491 {
1492         /* if format provided, just copy the buffers */
1493         if (bar_format != NULL) {
1494                 strlcpy(fmtnew, fmtexp, sz);
1495                 return;
1496         }
1497
1498         /* reset the output buffer */
1499         *fmtnew = '\0';
1500
1501         strlcat(fmtnew, "+N:+I ", sz);
1502         if (stack_enabled)
1503                 strlcat(fmtnew, "+S", sz);
1504         strlcat(fmtnew, " ", sz);
1505
1506         /* only show the workspace name if there's actually one */
1507         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
1508                 strlcat(fmtnew, "<+D>", sz);
1509         strlcat(fmtnew, "+3<", sz);
1510
1511         if (clock_enabled) {
1512                 strlcat(fmtnew, fmtexp, sz);
1513                 strlcat(fmtnew, "+4<", sz);
1514         }
1515
1516         /* bar_urgent already adds the space before the last asterisk */
1517         if (urgent_enabled)
1518                 strlcat(fmtnew, "* +U*+4<", sz);
1519
1520         if (title_class_enabled) {
1521                 strlcat(fmtnew, "+C", sz);
1522                 if (title_name_enabled == 0)
1523                         strlcat(fmtnew, "+4<", sz);
1524         }
1525
1526         /* checks needed by the colon and floating strlcat(3) calls below */
1527         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
1528                 if (title_name_enabled) {
1529                         if (title_class_enabled)
1530                                 strlcat(fmtnew, ":", sz);
1531                         strlcat(fmtnew, "+T+4<", sz);
1532                 }
1533                 if (window_name_enabled) {
1534                         if (r->ws->focus->floating)
1535                                 strlcat(fmtnew, "+F ", sz);
1536                         strlcat(fmtnew, "+64W ", sz);
1537                 }
1538         }
1539
1540         /* finally add the action script output and the version */
1541         strlcat(fmtnew, "+4<+A+4<+V", sz);
1542 }
1543
1544 void
1545 bar_replace_pad(char *tmp, int *limit, size_t sz)
1546 {
1547         /* special case; no limit given, pad one space, instead */
1548         if (*limit == sz - 1)
1549                 *limit = 1;
1550         snprintf(tmp, sz, "%*s", *limit, " ");
1551 }
1552
1553 /* replaces the bar format character sequences (like in tmux(1)) */
1554 char *
1555 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
1556     size_t sz)
1557 {
1558         char                    *ptr;
1559         char                    tmp[SWM_BAR_MAX];
1560         int                     limit, size;
1561         size_t                  len;
1562
1563         /* reset strlcat(3) buffer */
1564         *tmp = '\0';
1565
1566         /* get number, if any */
1567         fmt++;
1568         size = 0;
1569         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
1570                 limit = sizeof tmp - 1;
1571         if (limit <= 0 || limit >= sizeof tmp)
1572                 limit = sizeof tmp - 1;
1573
1574         /* there is nothing to replace (ie EOL) */
1575         fmt += size;
1576         if (*fmt == '\0')
1577                 return (fmt);
1578
1579         switch (*fmt) {
1580         case '<':
1581                 bar_replace_pad(tmp, &limit, sizeof tmp);
1582                 break;
1583         case 'A':
1584                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
1585                 break;
1586         case 'C':
1587                 bar_class_name(tmp, sizeof tmp, r);
1588                 break;
1589         case 'D':
1590                 bar_workspace_name(tmp, sizeof tmp, r);
1591                 break;
1592         case 'F':
1593                 bar_window_float(tmp, sizeof tmp, r);
1594                 break;
1595         case 'I':
1596                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
1597                 break;
1598         case 'N':
1599                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
1600                 break;
1601         case 'P':
1602                 bar_class_title_name(tmp, sizeof tmp, r);
1603                 break;
1604         case 'S':
1605                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
1606                 break;
1607         case 'T':
1608                 bar_title_name(tmp, sizeof tmp, r);
1609                 break;
1610         case 'U':
1611                 bar_urgent(tmp, sizeof tmp);
1612                 break;
1613         case 'V':
1614                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
1615                 break;
1616         case 'W':
1617                 bar_window_name(tmp, sizeof tmp, r);
1618                 break;
1619         default:
1620                 /* unknown character sequence; copy as-is */
1621                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
1622                 break;
1623         }
1624
1625         len = strlen(tmp);
1626         ptr = tmp;
1627         if (len < limit)
1628                 limit = len;
1629         while (limit-- > 0) {
1630                 if (*offrep >= sz - 1)
1631                         break;
1632                 fmtrep[(*offrep)++] = *ptr++;
1633         }
1634
1635         fmt++;
1636         return (fmt);
1637 }
1638
1639 void
1640 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
1641 {
1642         size_t                  off;
1643
1644         off = 0;
1645         while (*fmt != '\0') {
1646                 if (*fmt != '+') {
1647                         /* skip ordinary characters */
1648                         if (off >= sz - 1)
1649                                 break;
1650                         fmtrep[off++] = *fmt++;
1651                         continue;
1652                 }
1653
1654                 /* character sequence found; replace it */
1655                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
1656                 if (off >= sz - 1)
1657                         break;
1658         }
1659
1660         fmtrep[off] = '\0';
1661 }
1662
1663 void
1664 bar_fmt_expand(char *fmtexp, size_t sz)
1665 {
1666         char                    *fmt = NULL;
1667         size_t                  len;
1668         struct tm               tm;
1669         time_t                  tmt;
1670
1671         /* start by grabbing the current time and date */
1672         time(&tmt);
1673         localtime_r(&tmt, &tm);
1674
1675         /* figure out what to expand */
1676         if (bar_format != NULL)
1677                 fmt = bar_format;
1678         else if (bar_format == NULL && clock_enabled)
1679                 fmt = clock_format;
1680         /* if nothing to expand bail out */
1681         if (fmt == NULL) {
1682                 *fmtexp = '\0';
1683                 return;
1684         }
1685
1686         /* copy as-is, just in case the format shouldn't be expanded below */
1687         strlcpy(fmtexp, fmt, sz);
1688         /* finally pass the string through strftime(3) */
1689 #ifndef SWM_DENY_CLOCK_FORMAT
1690         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
1691                 warnx("format too long");
1692         fmtexp[len] = '\0';
1693 #endif
1694 }
1695
1696 void
1697 bar_fmt_print(void)
1698 {
1699         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
1700         char                    fmtrep[SWM_BAR_MAX];
1701         int                     i, num_screens;
1702         struct swm_region       *r;
1703
1704         /* expand the format by first passing it through strftime(3) */
1705         bar_fmt_expand(fmtexp, sizeof fmtexp);
1706
1707         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1708         for (i = 0; i < num_screens; i++) {
1709                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1710                         if (r->bar == NULL)
1711                                 continue;
1712                         bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
1713                         bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
1714                         bar_print(r, fmtrep);
1715                 }
1716         }
1717 }
1718
1719 void
1720 bar_update(void)
1721 {
1722         size_t                  len;
1723         char                    *b;
1724
1725         if (bar_enabled == 0)
1726                 return;
1727         if (bar_extra && bar_extra_running) {
1728                 /* ignore short reads; it'll correct itself */
1729                 while ((b = fgetln(stdin, &len)) != NULL)
1730                         if (b && b[len - 1] == '\n') {
1731                                 b[len - 1] = '\0';
1732                                 strlcpy((char *)bar_ext, b, sizeof bar_ext);
1733                         }
1734                 if (b == NULL && errno != EAGAIN) {
1735                         warn("bar_update: bar_extra failed");
1736                         bar_extra_stop();
1737                 }
1738         } else
1739                 strlcpy((char *)bar_ext, "", sizeof bar_ext);
1740
1741         bar_fmt_print();
1742         alarm(bar_delay);
1743 }
1744
1745 void
1746 bar_signal(int sig)
1747 {
1748         bar_alarm = 1;
1749 }
1750
1751 void
1752 bar_toggle(struct swm_region *r, union arg *args)
1753 {
1754         struct swm_region       *tmpr;
1755         int                     i, num_screens;
1756
1757         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
1758
1759         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1760         if (bar_enabled) {
1761                 for (i = 0; i < num_screens; i++)
1762                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1763                                 if (tmpr->bar)
1764                                         xcb_unmap_window(conn, tmpr->bar->id);
1765         } else {
1766                 for (i = 0; i < num_screens; i++)
1767                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
1768                                 if (tmpr->bar)
1769                                         map_window_raised(tmpr->bar->id);
1770         }
1771
1772         bar_enabled = !bar_enabled;
1773
1774         stack();
1775         /* must be after stack */
1776         bar_update();
1777
1778         xcb_flush(conn);
1779 }
1780
1781 void
1782 bar_refresh(void)
1783 {
1784         struct swm_region       *r;
1785         uint32_t                wa[2];
1786         int                     i, num_screens;
1787
1788         /* do this here because the conf file is in memory */
1789         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
1790                 /* launch external status app */
1791                 bar_extra_running = 1;
1792                 if (pipe(bar_pipe) == -1)
1793                         err(1, "pipe error");
1794                 socket_setnonblock(bar_pipe[0]);
1795                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
1796                 if (dup2(bar_pipe[0], 0) == -1)
1797                         err(1, "dup2");
1798                 if (dup2(bar_pipe[1], 1) == -1)
1799                         err(1, "dup2");
1800                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
1801                         err(1, "could not disable SIGPIPE");
1802                 switch (bar_pid = fork()) {
1803                 case -1:
1804                         err(1, "cannot fork");
1805                         break;
1806                 case 0: /* child */
1807                         close(bar_pipe[0]);
1808                         execvp(bar_argv[0], bar_argv);
1809                         err(1, "%s external app failed", bar_argv[0]);
1810                         break;
1811                 default: /* parent */
1812                         close(bar_pipe[1]);
1813                         break;
1814                 }
1815         }
1816
1817         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
1818         for (i = 0; i < num_screens; i++)
1819                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1820                         if (r->bar == NULL)
1821                                 continue;
1822                         wa[0] = screens[i].c[SWM_S_COLOR_BAR].color;
1823                         wa[1] = screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
1824                         xcb_change_window_attributes(conn, r->bar->id,
1825                             XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
1826                 }
1827         bar_update();
1828 }
1829
1830 void
1831 bar_setup(struct swm_region *r)
1832 {
1833         char                    *default_string;
1834         char                    **missing_charsets;
1835         int                     num_missing_charsets = 0;
1836         int                     i;
1837         xcb_screen_t            *screen = get_screen(r->s->idx);
1838         uint32_t                wa[3];
1839
1840         if (bar_fs) {
1841                 XFreeFontSet(display, bar_fs);
1842                 bar_fs = NULL;
1843         }
1844
1845         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
1846                 err(1, "bar_setup: calloc: failed to allocate memory.");
1847
1848         DNPRINTF(SWM_D_BAR, "bar_setup: loading bar_fonts: %s\n", bar_fonts);
1849
1850         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
1851             &num_missing_charsets, &default_string);
1852
1853         if (num_missing_charsets > 0) {
1854                 warnx("Unable to load charset(s):");
1855
1856                 for (i = 0; i < num_missing_charsets; ++i)
1857                         warnx("%s", missing_charsets[i]);
1858
1859                 XFreeStringList(missing_charsets);
1860
1861                 if (strcmp(default_string, ""))
1862                         warnx("Glyphs from those sets will be replaced "
1863                             "by '%s'.", default_string);
1864                 else
1865                         warnx("Glyphs from those sets won't be drawn.");
1866         }
1867
1868         if (bar_fs == NULL)
1869                 errx(1, "Error creating font set structure.");
1870
1871         bar_fs_extents = XExtentsOfFontSet(bar_fs);
1872
1873         bar_height = bar_fs_extents->max_logical_extent.height +
1874             2 * bar_border_width;
1875
1876         if (bar_height < 1)
1877                 bar_height = 1;
1878
1879         X(r->bar) = X(r);
1880         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
1881         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
1882         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
1883
1884         r->bar->id = xcb_generate_id(conn);
1885         wa[0] = r->s->c[SWM_S_COLOR_BAR].color;
1886         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].color;
1887         wa[2] = XCB_EVENT_MASK_EXPOSURE;
1888         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
1889             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
1890             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
1891             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
1892             | XCB_CW_EVENT_MASK, wa);
1893
1894         r->bar->buffer = xcb_generate_id(conn);
1895         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
1896             WIDTH(r->bar), HEIGHT(r->bar));
1897
1898         xcb_randr_select_input(conn, r->bar->id,
1899             XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
1900
1901         if (bar_enabled)
1902                 map_window_raised(r->bar->id);
1903
1904         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
1905             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
1906             HEIGHT(r->bar));
1907
1908         if (signal(SIGALRM, bar_signal) == SIG_ERR)
1909                 err(1, "could not install bar_signal");
1910         bar_refresh();
1911 }
1912
1913 void
1914 bar_cleanup(struct swm_region *r)
1915 {
1916         if (r->bar == NULL)
1917                 return;
1918         xcb_destroy_window(conn, r->bar->id);
1919         xcb_free_pixmap(conn, r->bar->buffer);
1920         free(r->bar);
1921         r->bar = NULL;
1922 }
1923
1924 void
1925 set_win_state(struct ws_win *win, uint16_t state)
1926 {
1927         uint16_t                data[2] = { state, XCB_ATOM_NONE };
1928
1929         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x\n", win->id);
1930
1931         if (win == NULL)
1932                 return;
1933
1934         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, astate,
1935             astate, 32, 2, data);
1936 }
1937
1938 uint16_t
1939 getstate(xcb_window_t w)
1940 {
1941         uint16_t                        result = 0;
1942         xcb_get_property_cookie_t       c;
1943         xcb_get_property_reply_t        *r;
1944
1945         c = xcb_get_property(conn, False, w, astate, astate, 0L, 2L);
1946         r = xcb_get_property_reply(conn, c, NULL);
1947
1948         if (r) {
1949                 result = *((uint16_t *)xcb_get_property_value(r));
1950                 free(r);
1951         }
1952
1953         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
1954             result);
1955         return (result);
1956 }
1957
1958 void
1959 version(struct swm_region *r, union arg *args)
1960 {
1961         bar_version = !bar_version;
1962         if (bar_version)
1963                 snprintf(bar_vertext, sizeof bar_vertext,
1964                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
1965         else
1966                 strlcpy(bar_vertext, "", sizeof bar_vertext);
1967         bar_update();
1968
1969         xcb_flush(conn);
1970 }
1971
1972 void
1973 client_msg(struct ws_win *win, xcb_atom_t a)
1974 {
1975         xcb_client_message_event_t      ev;
1976
1977         if (win == NULL)
1978                 return;
1979
1980         bzero(&ev, sizeof ev);
1981         ev.response_type = XCB_CLIENT_MESSAGE;
1982         ev.window = win->id;
1983         ev.type = aprot;
1984         ev.format = 32;
1985         ev.data.data32[0] = a;
1986         ev.data.data32[1] = XCB_CURRENT_TIME;
1987
1988         xcb_send_event(conn, False, win->id,
1989             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
1990 }
1991
1992 /* synthetic response to a ConfigureRequest when not making a change */
1993 void
1994 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
1995 {
1996         xcb_configure_notify_event_t ce;
1997
1998         if (win == NULL)
1999                 return;
2000
2001         /* send notification of unchanged state. */
2002         bzero(&ce, sizeof(ce));
2003         ce.response_type = XCB_CONFIGURE_NOTIFY;
2004         ce.x = X(win);
2005         ce.y = Y(win);
2006         ce.width = WIDTH(win);
2007         ce.height = HEIGHT(win);
2008         ce.override_redirect = False;
2009
2010         if (ev == NULL) {
2011                 /* EWMH */
2012                 ce.event = win->id;
2013                 ce.window = win->id;
2014                 ce.border_width = BORDER(win);
2015                 ce.above_sibling = XCB_WINDOW_NONE;
2016         } else {
2017                 /* normal */
2018                 ce.event = ev->window;
2019                 ce.window = ev->window;
2020
2021                 /* make response appear more WM_SIZE_HINTS-compliant */
2022                 if (win->sh.flags)
2023                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2024                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2025                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2026                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2027                             SH_INC_W(win), SH_INC_H(win));
2028
2029                 /* min size */
2030                 if (SH_MIN(win)) {
2031                         /* the hint may be set... to 0! */
2032                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2033                                 ce.width = SH_MIN_W(win);
2034                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2035                                 ce.height = SH_MIN_H(win);
2036                 }
2037
2038                 /* max size */
2039                 if (SH_MAX(win)) {
2040                         /* may also be advertized as 0 */
2041                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2042                                 ce.width = SH_MAX_W(win);
2043                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2044                                 ce.height = SH_MAX_H(win);
2045                 }
2046
2047                 /* resize increment. */
2048                 if (SH_INC(win)) {
2049                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2050                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2051                                     SH_INC_W(win);
2052                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2053                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2054                                     SH_INC_H(win);
2055                 }
2056
2057                 /* adjust x and y for requested border_width. */
2058                 ce.x += BORDER(win) - ev->border_width;
2059                 ce.y += BORDER(win) - ev->border_width;
2060                 ce.border_width = ev->border_width;
2061                 ce.above_sibling = ev->sibling;
2062         }
2063
2064         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2065             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2066             ce.y, ce.width, ce.height, ce.border_width);
2067
2068         xcb_send_event(conn, False, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2069                 (char *)&ce);
2070 }
2071
2072 int
2073 count_win(struct workspace *ws, int count_transient)
2074 {
2075         struct ws_win           *win;
2076         int                     count = 0;
2077
2078         TAILQ_FOREACH(win, &ws->winlist, entry) {
2079                 if (count_transient == 0 && win->floating)
2080                         continue;
2081                 if (count_transient == 0 && win->transient)
2082                         continue;
2083                 if (win->iconic)
2084                         continue;
2085                 count++;
2086         }
2087         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2088
2089         return (count);
2090 }
2091
2092 void
2093 quit(struct swm_region *r, union arg *args)
2094 {
2095         DNPRINTF(SWM_D_MISC, "quit\n");
2096         running = 0;
2097 }
2098
2099 void
2100 unmap_window(struct ws_win *win)
2101 {
2102         if (win == NULL)
2103                 return;
2104
2105         /* don't unmap again */
2106         if (getstate(win->id) == XCB_ICCCM_WM_STATE_ICONIC)
2107                 return;
2108
2109         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2110
2111         xcb_unmap_window(conn, win->id);
2112         xcb_change_window_attributes(conn, win->id,
2113             XCB_CW_BORDER_PIXEL, &win->s->c[SWM_S_COLOR_UNFOCUS].color);
2114 }
2115
2116 void
2117 unmap_all(void)
2118 {
2119         struct ws_win           *win;
2120         int                     i, j, num_screens;
2121
2122         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2123         for (i = 0; i < num_screens; i++)
2124                 for (j = 0; j < workspace_limit; j++)
2125                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2126                                 unmap_window(win);
2127 }
2128
2129 void
2130 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2131 {
2132         xcb_key_press_event_t   event;
2133         xcb_keycode_t           *keycode;
2134
2135         if (win == NULL)
2136                 return;
2137
2138         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2139
2140         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2141             win->id, *keycode);
2142
2143         bzero(&event, sizeof(event));
2144         event.event = win->id;
2145         event.root = win->s->root;
2146         event.child = XCB_WINDOW_NONE;
2147         event.time = XCB_CURRENT_TIME;
2148         event.event_x = X(win);
2149         event.event_y = Y(win);
2150         event.root_x = 1;
2151         event.root_y = 1;
2152         event.same_screen = True;
2153         event.detail = *keycode;
2154         event.state = modifiers;
2155
2156         event.response_type = XCB_KEY_PRESS;
2157         xcb_send_event(conn, True, win->id,
2158             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2159
2160         event.response_type = XCB_KEY_RELEASE;
2161         xcb_send_event(conn, True, win->id,
2162             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2163 }
2164
2165 void
2166 restart(struct swm_region *r, union arg *args)
2167 {
2168         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2169
2170         /* disable alarm because the following code may not be interrupted */
2171         alarm(0);
2172         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
2173                 err(1, "can't disable alarm");
2174
2175         bar_extra_stop();
2176         bar_extra = 1;
2177         unmap_all();
2178
2179         xcb_key_symbols_free(syms);
2180         xcb_flush(conn);
2181         xcb_disconnect(conn);
2182
2183         execvp(start_argv[0], start_argv);
2184         warn("execvp failed");
2185         quit(NULL, NULL);
2186 }
2187
2188 struct swm_region *
2189 root_to_region(xcb_window_t root)
2190 {
2191         struct swm_region               *r = NULL;
2192         int                             i, num_screens;
2193         xcb_query_pointer_reply_t       *qpr;
2194
2195         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2196
2197         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2198         for (i = 0; i < num_screens; i++)
2199                 if (screens[i].root == root)
2200                         break;
2201
2202         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2203             screens[i].root), NULL);
2204
2205         if (qpr) {
2206                 DNPRINTF(SWM_D_MISC, "root_to_region: pointer: (%d,%d)\n",
2207                     qpr->root_x, qpr->root_y);
2208                 /* choose a region based on pointer location */
2209                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2210                         if (X(r) <= qpr->root_x && qpr->root_x < MAX_X(r) &&
2211                             Y(r) <= qpr->root_y && qpr->root_y < MAX_Y(r))
2212                                 break;
2213                 free(qpr);
2214         }
2215
2216         if (r == NULL)
2217                 r = TAILQ_FIRST(&screens[i].rl);
2218
2219         return (r);
2220 }
2221
2222 struct ws_win *
2223 find_unmanaged_window(xcb_window_t id)
2224 {
2225         struct ws_win           *win;
2226         int                     i, j, num_screens;
2227
2228         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2229         for (i = 0; i < num_screens; i++)
2230                 for (j = 0; j < workspace_limit; j++)
2231                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
2232                             entry)
2233                                 if (id == win->id)
2234                                         return (win);
2235         return (NULL);
2236 }
2237
2238 struct ws_win *
2239 find_window(xcb_window_t id)
2240 {
2241         struct ws_win           *win;
2242         int                     i, j, num_screens;
2243         xcb_query_tree_reply_t  *r;
2244
2245         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2246         for (i = 0; i < num_screens; i++)
2247                 for (j = 0; j < workspace_limit; j++)
2248                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2249                                 if (id == win->id)
2250                                         return (win);
2251
2252         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
2253         if (!r)
2254                 return (NULL);
2255
2256         /* if we were looking for the parent return that window instead */
2257         if (r->parent == 0 || r->root == r->parent)
2258                 return (NULL);
2259
2260         /* look for parent */
2261         for (i = 0; i < num_screens; i++)
2262                 for (j = 0; j < workspace_limit; j++)
2263                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2264                                 if (r->parent == win->id) {
2265                                         free(r);
2266                                         return (win);
2267                                 }
2268
2269         free(r);
2270         return (NULL);
2271 }
2272
2273 void
2274 spawn(int ws_idx, union arg *args, int close_fd)
2275 {
2276         int                     fd;
2277         char                    *ret = NULL;
2278
2279         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
2280
2281         if (display)
2282                 close(xcb_get_file_descriptor(conn));
2283
2284         setenv("LD_PRELOAD", SWM_LIB, 1);
2285
2286         if (asprintf(&ret, "%d", ws_idx) == -1) {
2287                 warn("spawn: asprintf SWM_WS");
2288                 _exit(1);
2289         }
2290         setenv("_SWM_WS", ret, 1);
2291         free(ret);
2292         ret = NULL;
2293
2294         if (asprintf(&ret, "%d", getpid()) == -1) {
2295                 warn("spawn: asprintf _SWM_PID");
2296                 _exit(1);
2297         }
2298         setenv("_SWM_PID", ret, 1);
2299         free(ret);
2300         ret = NULL;
2301
2302         if (setsid() == -1) {
2303                 warn("spawn: setsid");
2304                 _exit(1);
2305         }
2306
2307         if (close_fd) {
2308                 /*
2309                  * close stdin and stdout to prevent interaction between apps
2310                  * and the baraction script
2311                  * leave stderr open to record errors
2312                 */
2313                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
2314                         warn("spawn: open");
2315                         _exit(1);
2316                 }
2317                 dup2(fd, STDIN_FILENO);
2318                 dup2(fd, STDOUT_FILENO);
2319                 if (fd > 2)
2320                         close(fd);
2321         }
2322
2323         execvp(args->argv[0], args->argv);
2324
2325         warn("spawn: execvp");
2326         _exit(1);
2327 }
2328
2329 void
2330 kill_refs(struct ws_win *win)
2331 {
2332         int                     i, x, num_screens;
2333         struct swm_region       *r;
2334         struct workspace        *ws;
2335
2336         if (win == NULL)
2337                 return;
2338
2339         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2340         for (i = 0; i < num_screens; i++)
2341                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2342                         for (x = 0; x < workspace_limit; x++) {
2343                                 ws = &r->s->ws[x];
2344                                 if (win == ws->focus)
2345                                         ws->focus = NULL;
2346                                 if (win == ws->focus_prev)
2347                                         ws->focus_prev = NULL;
2348                         }
2349 }
2350
2351 int
2352 validate_win(struct ws_win *testwin)
2353 {
2354         struct ws_win           *win;
2355         struct workspace        *ws;
2356         struct swm_region       *r;
2357         int                     i, x, num_screens;
2358
2359         if (testwin == NULL)
2360                 return (0);
2361
2362         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2363         for (i = 0; i < num_screens; i++)
2364                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2365                         for (x = 0; x < workspace_limit; x++) {
2366                                 ws = &r->s->ws[x];
2367                                 TAILQ_FOREACH(win, &ws->winlist, entry)
2368                                         if (win == testwin)
2369                                                 return (0);
2370                         }
2371         return (1);
2372 }
2373
2374 int
2375 validate_ws(struct workspace *testws)
2376 {
2377         struct swm_region       *r;
2378         struct workspace        *ws;
2379         int                     i, x, num_screens;
2380
2381         /* validate all ws */
2382         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2383         for (i = 0; i < num_screens; i++)
2384                 TAILQ_FOREACH(r, &screens[i].rl, entry)
2385                         for (x = 0; x < workspace_limit; x++) {
2386                                 ws = &r->s->ws[x];
2387                                 if (ws == testws)
2388                                         return (0);
2389                         }
2390         return (1);
2391 }
2392
2393 void
2394 unfocus_win(struct ws_win *win)
2395 {
2396         xcb_window_t            none = XCB_WINDOW_NONE;
2397
2398         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
2399
2400         if (win == NULL)
2401                 return;
2402         if (win->ws == NULL)
2403                 return;
2404
2405         if (validate_ws(win->ws))
2406                 return; /* XXX this gets hit with thunderbird, needs fixing */
2407
2408         if (win->ws->r == NULL)
2409                 return;
2410
2411         if (validate_win(win)) {
2412                 kill_refs(win);
2413                 return;
2414         }
2415
2416         if (win->ws->focus == win) {
2417                 win->ws->focus = NULL;
2418                 win->ws->focus_prev = win;
2419         }
2420
2421         if (validate_win(win->ws->focus)) {
2422                 kill_refs(win->ws->focus);
2423                 win->ws->focus = NULL;
2424         }
2425         if (validate_win(win->ws->focus_prev)) {
2426                 kill_refs(win->ws->focus_prev);
2427                 win->ws->focus_prev = NULL;
2428         }
2429
2430         grabbuttons(win, 0);
2431         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
2432             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
2433         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2434             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
2435 }
2436
2437 void
2438 unfocus_all(void)
2439 {
2440         struct ws_win           *win;
2441         int                     i, j, num_screens;
2442
2443         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
2444
2445         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2446         for (i = 0; i < num_screens; i++)
2447                 for (j = 0; j < workspace_limit; j++)
2448                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2449                                 unfocus_win(win);
2450 }
2451
2452 void
2453 focus_win(struct ws_win *win)
2454 {
2455         struct ws_win           *cfw = NULL;
2456         xcb_get_input_focus_reply_t     *r;
2457         xcb_window_t                    cur_focus = XCB_WINDOW_NONE;
2458
2459         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
2460
2461         if (win == NULL)
2462                 return;
2463         if (win->ws == NULL)
2464                 return;
2465
2466         if (validate_ws(win->ws))
2467                 return; /* XXX this gets hit with thunderbird, needs fixing */
2468
2469         if (validate_win(win)) {
2470                 kill_refs(win);
2471                 return;
2472         }
2473
2474         if (validate_win(win)) {
2475                 kill_refs(win);
2476                 return;
2477         }
2478
2479         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
2480         if (r) {
2481                 cur_focus = r->focus;
2482                 free(r);
2483         }
2484         if ((cfw = find_window(cur_focus)) != NULL)
2485                 unfocus_win(cfw);
2486         else {
2487                 /* use larger hammer since the window was killed somehow */
2488                 /* TAILQ_FOREACH(cfw, &win->ws->winlist, entry)
2489                         if (cfw->ws && cfw->ws->r && cfw->ws->r->s)
2490                                 xcb_change_window_attributes(conn, cfw->id,
2491                                     XCB_CW_BORDER_PIXEL,
2492                                     &cfw->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);*/
2493         }
2494
2495         win->ws->focus = win;
2496
2497         if (win->ws->r != NULL) {
2498                 if (win->java == 0)
2499                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
2500                             win->id, XCB_CURRENT_TIME);
2501                 grabbuttons(win, 1);
2502                 xcb_change_window_attributes(conn, win->id,
2503                         XCB_CW_BORDER_PIXEL,
2504                         &win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
2505                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
2506                     win->ws->always_raise)
2507                         map_window_raised(win->id);
2508
2509                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
2510                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
2511                     &win->id);
2512         }
2513
2514         bar_update();
2515 }
2516
2517 void
2518 event_drain(uint8_t rt)
2519 {
2520         xcb_generic_event_t     *evt;
2521
2522         xcb_flush(conn);
2523         while ((evt = xcb_poll_for_event(conn))) {
2524                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
2525                         event_handle(evt);
2526
2527                 free(evt);
2528         }
2529 }
2530
2531 void
2532 switchws(struct swm_region *r, union arg *args)
2533 {
2534         int                     wsid = args->id, unmap_old = 0;
2535         struct swm_region       *this_r, *other_r;
2536         struct ws_win           *win;
2537         struct workspace        *new_ws, *old_ws;
2538         union arg               a;
2539
2540         if (!(r && r->s))
2541                 return;
2542
2543         if (wsid >= workspace_limit)
2544                 return;
2545
2546         this_r = r;
2547         old_ws = this_r->ws;
2548         new_ws = &this_r->s->ws[wsid];
2549
2550         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
2551             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
2552
2553         if (new_ws == NULL || old_ws == NULL)
2554                 return;
2555         if (new_ws == old_ws)
2556                 return;
2557
2558         other_r = new_ws->r;
2559         if (other_r == NULL) {
2560                 /* the other workspace is hidden, hide this one */
2561                 old_ws->r = NULL;
2562                 unmap_old = 1;
2563         } else {
2564                 /* the other ws is visible in another region, exchange them */
2565                 other_r->ws_prior = new_ws;
2566                 other_r->ws = old_ws;
2567                 old_ws->r = other_r;
2568         }
2569         this_r->ws_prior = old_ws;
2570         this_r->ws = new_ws;
2571         new_ws->r = this_r;
2572
2573         /* this is needed so that we can click on a window after a restart */
2574         unfocus_all();
2575
2576         stack();
2577         a.id = SWM_ARG_ID_FOCUSCUR;
2578         focus(new_ws->r, &a);
2579
2580         /* unmap old windows */
2581         if (unmap_old)
2582                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
2583                         unmap_window(win);
2584
2585         if (focus_mode == SWM_FOCUS_DEFAULT)
2586                 event_drain(XCB_ENTER_NOTIFY);
2587         else
2588                 xcb_flush(conn);
2589 }
2590
2591 void
2592 cyclews(struct swm_region *r, union arg *args)
2593 {
2594         union                   arg a;
2595         struct swm_screen       *s = r->s;
2596         int                     cycle_all = 0;
2597
2598         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2599             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2600
2601         a.id = r->ws->idx;
2602         do {
2603                 switch (args->id) {
2604                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
2605                         cycle_all = 1;
2606                         /* FALLTHROUGH */
2607                 case SWM_ARG_ID_CYCLEWS_UP:
2608                         if (a.id < workspace_limit - 1)
2609                                 a.id++;
2610                         else
2611                                 a.id = 0;
2612                         break;
2613                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
2614                         cycle_all = 1;
2615                         /* FALLTHROUGH */
2616                 case SWM_ARG_ID_CYCLEWS_DOWN:
2617                         if (a.id > 0)
2618                                 a.id--;
2619                         else
2620                                 a.id = workspace_limit - 1;
2621                         break;
2622                 default:
2623                         return;
2624                 };
2625
2626                 if (!cycle_all &&
2627                     (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist)))
2628                         continue;
2629                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
2630                         continue;
2631
2632                 switchws(r, &a);
2633         } while (a.id != r->ws->idx);
2634 }
2635
2636 void
2637 priorws(struct swm_region *r, union arg *args)
2638 {
2639         union arg               a;
2640
2641         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2642             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2643
2644         if (r->ws_prior == NULL)
2645                 return;
2646
2647         a.id = r->ws_prior->idx;
2648         switchws(r, &a);
2649 }
2650
2651 void
2652 cyclescr(struct swm_region *r, union arg *args)
2653 {
2654         struct swm_region       *rr = NULL;
2655         union arg               a;
2656         int                     i, x, y, num_screens;
2657
2658         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
2659         /* do nothing if we don't have more than one screen */
2660         if (!(num_screens > 1 || outputs > 1))
2661                 return;
2662
2663         i = r->s->idx;
2664         switch (args->id) {
2665         case SWM_ARG_ID_CYCLESC_UP:
2666                 rr = TAILQ_NEXT(r, entry);
2667                 if (rr == NULL)
2668                         rr = TAILQ_FIRST(&screens[i].rl);
2669                 break;
2670         case SWM_ARG_ID_CYCLESC_DOWN:
2671                 rr = TAILQ_PREV(r, swm_region_list, entry);
2672                 if (rr == NULL)
2673                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
2674                 break;
2675         default:
2676                 return;
2677         };
2678         if (rr == NULL)
2679                 return;
2680
2681         /* move mouse to region */
2682         x = X(rr) + 1;
2683         y = Y(rr) + 1 + (bar_enabled ? bar_height : 0);
2684         xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0, 0,
2685             x, y);
2686
2687         a.id = SWM_ARG_ID_FOCUSCUR;
2688         focus(rr, &a);
2689
2690         if (rr->ws->focus) {
2691                 /* move to focus window */
2692                 x = X(rr->ws->focus) + 1;
2693                 y = Y(rr->ws->focus) + 1;
2694                 xcb_warp_pointer(conn, XCB_WINDOW_NONE, rr->s[i].root, 0, 0, 0,
2695                     0, x, y);
2696         }
2697 }
2698
2699 void
2700 sort_windows(struct ws_win_list *wl)
2701 {
2702         struct ws_win           *win, *parent, *nxt;
2703
2704         if (wl == NULL)
2705                 return;
2706
2707         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
2708                 nxt = TAILQ_NEXT(win, entry);
2709                 if (win->transient) {
2710                         parent = find_window(win->transient);
2711                         if (parent == NULL) {
2712                                 warnx("not possible bug");
2713                                 continue;
2714                         }
2715                         TAILQ_REMOVE(wl, win, entry);
2716                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
2717                 }
2718         }
2719
2720 }
2721
2722 void
2723 swapwin(struct swm_region *r, union arg *args)
2724 {
2725         struct ws_win           *target, *source;
2726         struct ws_win           *cur_focus;
2727         struct ws_win_list      *wl;
2728
2729
2730         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
2731             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
2732
2733         cur_focus = r->ws->focus;
2734         if (cur_focus == NULL)
2735                 return;
2736
2737         source = cur_focus;
2738         wl = &source->ws->winlist;
2739
2740         switch (args->id) {
2741         case SWM_ARG_ID_SWAPPREV:
2742                 if (source->transient)
2743                         source = find_window(source->transient);
2744                 target = TAILQ_PREV(source, ws_win_list, entry);
2745                 if (target && target->transient)
2746                         target = find_window(target->transient);
2747                 TAILQ_REMOVE(wl, source, entry);
2748                 if (target == NULL)
2749                         TAILQ_INSERT_TAIL(wl, source, entry);
2750                 else
2751                         TAILQ_INSERT_BEFORE(target, source, entry);
2752                 break;
2753         case SWM_ARG_ID_SWAPNEXT:
2754                 target = TAILQ_NEXT(source, entry);
2755                 /* move the parent and let the sort handle the move */
2756                 if (source->transient)
2757                         source = find_window(source->transient);
2758                 TAILQ_REMOVE(wl, source, entry);
2759                 if (target == NULL)
2760                         TAILQ_INSERT_HEAD(wl, source, entry);
2761                 else
2762                         TAILQ_INSERT_AFTER(wl, target, source, entry);
2763                 break;
2764         case SWM_ARG_ID_SWAPMAIN:
2765                 target = TAILQ_FIRST(wl);
2766                 if (target == source) {
2767                         if (source->ws->focus_prev != NULL &&
2768                             source->ws->focus_prev != target)
2769                                 source = source->ws->focus_prev;
2770                         else
2771                                 return;
2772                 }
2773                 if (target == NULL || source == NULL)
2774                         return;
2775                 source->ws->focus_prev = target;
2776                 TAILQ_REMOVE(wl, target, entry);
2777                 TAILQ_INSERT_BEFORE(source, target, entry);
2778                 TAILQ_REMOVE(wl, source, entry);
2779                 TAILQ_INSERT_HEAD(wl, source, entry);
2780                 break;
2781         case SWM_ARG_ID_MOVELAST:
2782                 TAILQ_REMOVE(wl, source, entry);
2783                 TAILQ_INSERT_TAIL(wl, source, entry);
2784                 break;
2785         default:
2786                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
2787                 return;
2788         }
2789
2790         sort_windows(wl);
2791
2792         stack();
2793
2794         xcb_flush(conn);
2795 }
2796
2797 void
2798 focus_prev(struct ws_win *win)
2799 {
2800         struct ws_win           *winfocus = NULL;
2801         struct ws_win           *cur_focus = NULL;
2802         struct ws_win_list      *wl = NULL;
2803         struct workspace        *ws = NULL;
2804
2805         if (!(win && win->ws))
2806                 return;
2807
2808         ws = win->ws;
2809         wl = &ws->winlist;
2810         cur_focus = ws->focus;
2811
2812         DNPRINTF(SWM_D_FOCUS, "focus_prev: window: 0x%x, cur_focus: 0x%x\n",
2813             WINID(win), WINID(cur_focus));
2814
2815         /* pickle, just focus on whatever */
2816         if (cur_focus == NULL) {
2817                 /* use prev_focus if valid */
2818                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
2819                     find_window(WINID(ws->focus_prev)))
2820                         winfocus = ws->focus_prev;
2821                 goto done;
2822         }
2823
2824         /* if transient focus on parent */
2825         if (cur_focus->transient) {
2826                 winfocus = find_window(cur_focus->transient);
2827                 goto done;
2828         }
2829
2830         /* if in max_stack try harder */
2831         if ((win->quirks & SWM_Q_FOCUSPREV) ||
2832             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
2833                 if (cur_focus != ws->focus_prev)
2834                         winfocus = ws->focus_prev;
2835                 else
2836                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
2837                 if (winfocus)
2838                         goto done;
2839         }
2840
2841         DNPRINTF(SWM_D_FOCUS, "focus_prev: focus_close: %d\n", focus_close);
2842
2843         if (winfocus == NULL || winfocus == win) {
2844                 switch (focus_close) {
2845                 case SWM_STACK_BOTTOM:
2846                         winfocus = TAILQ_FIRST(wl);
2847                         break;
2848                 case SWM_STACK_TOP:
2849                         winfocus = TAILQ_LAST(wl, ws_win_list);
2850                         break;
2851                 case SWM_STACK_ABOVE:
2852                         if ((winfocus = TAILQ_NEXT(cur_focus, entry)) == NULL) {
2853                                 if (focus_close_wrap)
2854                                         winfocus = TAILQ_FIRST(wl);
2855                                 else
2856                                         winfocus = TAILQ_PREV(cur_focus,
2857                                             ws_win_list, entry);
2858                         }
2859                         break;
2860                 case SWM_STACK_BELOW:
2861                         if ((winfocus = TAILQ_PREV(cur_focus, ws_win_list,
2862                             entry)) == NULL) {
2863                                 if (focus_close_wrap)
2864                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2865                                 else
2866                                         winfocus = TAILQ_NEXT(cur_focus, entry);
2867                         }
2868                         break;
2869                 }
2870         }
2871 done:
2872         if (winfocus == NULL) {
2873                 if (focus_default == SWM_STACK_TOP)
2874                         winfocus = TAILQ_LAST(wl, ws_win_list);
2875                 else
2876                         winfocus = TAILQ_FIRST(wl);
2877         }
2878
2879         kill_refs(win);
2880         focus_magic(winfocus);
2881 }
2882
2883 void
2884 focus(struct swm_region *r, union arg *args)
2885 {
2886         struct ws_win           *winfocus = NULL, *head;
2887         struct ws_win           *cur_focus = NULL;
2888         struct ws_win_list      *wl = NULL;
2889         struct workspace        *ws = NULL;
2890         int                     all_iconics;
2891
2892         if (!(r && r->ws))
2893                 return;
2894
2895         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
2896
2897         /* treat FOCUS_CUR special */
2898         if (args->id == SWM_ARG_ID_FOCUSCUR) {
2899                 if (r->ws->focus && r->ws->focus->iconic == 0)
2900                         winfocus = r->ws->focus;
2901                 else if (r->ws->focus_prev && r->ws->focus_prev->iconic == 0)
2902                         winfocus = r->ws->focus_prev;
2903                 else
2904                         TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
2905                                 if (winfocus->iconic == 0)
2906                                         break;
2907
2908                 focus_magic(winfocus);
2909                 return;
2910         }
2911
2912         if ((cur_focus = r->ws->focus) == NULL)
2913                 return;
2914         ws = r->ws;
2915         wl = &ws->winlist;
2916         if (TAILQ_EMPTY(wl))
2917                 return;
2918         /* make sure there is at least one uniconified window */
2919         all_iconics = 1;
2920         TAILQ_FOREACH(winfocus, wl, entry)
2921                 if (winfocus->iconic == 0) {
2922                         all_iconics = 0;
2923                         break;
2924                 }
2925         if (all_iconics)
2926                 return;
2927
2928         switch (args->id) {
2929         case SWM_ARG_ID_FOCUSPREV:
2930                 head = TAILQ_PREV(cur_focus, ws_win_list, entry);
2931                 if (head == NULL)
2932                         head = TAILQ_LAST(wl, ws_win_list);
2933                 winfocus = head;
2934                 if (WINID(winfocus) == cur_focus->transient) {
2935                         head = TAILQ_PREV(winfocus, ws_win_list, entry);
2936                         if (head == NULL)
2937                                 head = TAILQ_LAST(wl, ws_win_list);
2938                         winfocus = head;
2939                 }
2940
2941                 /* skip iconics */
2942                 if (winfocus && winfocus->iconic) {
2943                         while (winfocus != cur_focus) {
2944                                 if (winfocus == NULL)
2945                                         winfocus = TAILQ_LAST(wl, ws_win_list);
2946                                 if (winfocus->iconic == 0)
2947                                         break;
2948                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
2949                                     entry);
2950                         }
2951                 }
2952                 break;
2953
2954         case SWM_ARG_ID_FOCUSNEXT:
2955                 head = TAILQ_NEXT(cur_focus, entry);
2956                 if (head == NULL)
2957                         head = TAILQ_FIRST(wl);
2958                 winfocus = head;
2959
2960                 /* skip iconics */
2961                 if (winfocus && winfocus->iconic) {
2962                         while (winfocus != cur_focus) {
2963                                 if (winfocus == NULL)
2964                                         winfocus = TAILQ_FIRST(wl);
2965                                 if (winfocus->iconic == 0)
2966                                         break;
2967                                 winfocus = TAILQ_NEXT(winfocus, entry);
2968                         }
2969                 }
2970                 break;
2971
2972         case SWM_ARG_ID_FOCUSMAIN:
2973                 winfocus = TAILQ_FIRST(wl);
2974                 if (winfocus == cur_focus)
2975                         winfocus = cur_focus->ws->focus_prev;
2976                 break;
2977
2978         default:
2979                 return;
2980         }
2981
2982         focus_magic(winfocus);
2983
2984         xcb_flush(conn);
2985 }
2986
2987 void
2988 cycle_layout(struct swm_region *r, union arg *args)
2989 {
2990         struct workspace        *ws = r->ws;
2991         union arg               a;
2992
2993         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
2994
2995         ws->cur_layout++;
2996         if (ws->cur_layout->l_stack == NULL)
2997                 ws->cur_layout = &layouts[0];
2998
2999         stack();
3000         bar_update();
3001
3002         if (focus_mode == SWM_FOCUS_DEFAULT)
3003                 event_drain(XCB_ENTER_NOTIFY);
3004
3005         a.id = SWM_ARG_ID_FOCUSCUR;
3006         focus(r, &a);
3007 }
3008
3009 void
3010 stack_config(struct swm_region *r, union arg *args)
3011 {
3012         struct workspace        *ws = r->ws;
3013
3014         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
3015             args->id, ws->idx);
3016
3017         if (ws->cur_layout->l_config != NULL)
3018                 ws->cur_layout->l_config(ws, args->id);
3019
3020         if (args->id != SWM_ARG_ID_STACKINIT)
3021                 stack();
3022         bar_update();
3023 }
3024
3025 void
3026 stack(void) {
3027         struct swm_geometry     g;
3028         struct swm_region       *r;
3029         int                     i, num_screens;
3030 #ifdef SWM_DEBUG
3031         int j;
3032 #endif
3033
3034         DNPRINTF(SWM_D_STACK, "stack: begin\n");
3035
3036         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3037         for (i = 0; i < num_screens; i++) {
3038 #ifdef SWM_DEBUG
3039                 j = 0;
3040 #endif
3041                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
3042                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
3043                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
3044
3045                         /* start with screen geometry, adjust for bar */
3046                         g = r->g;
3047                         g.w -= 2 * border_width;
3048                         g.h -= 2 * border_width;
3049                         if (bar_enabled) {
3050                                 if (!bar_at_bottom)
3051                                         g.y += bar_height;
3052                                 g.h -= bar_height;
3053                         }
3054                         r->ws->cur_layout->l_stack(r->ws, &g);
3055                         r->ws->cur_layout->l_string(r->ws);
3056                         /* save r so we can track region changes */
3057                         r->ws->old_r = r;
3058                 }
3059         }
3060         if (font_adjusted)
3061                 font_adjusted--;
3062
3063         if (focus_mode == SWM_FOCUS_DEFAULT)
3064                 event_drain(XCB_ENTER_NOTIFY);
3065
3066         DNPRINTF(SWM_D_STACK, "stack: end\n");
3067 }
3068
3069 void
3070 store_float_geom(struct ws_win *win, struct swm_region *r)
3071 {
3072         /* retain window geom and region geom */
3073         win->g_float = win->g;
3074         win->g_float.x -= X(r);
3075         win->g_float.y -= Y(r);
3076         win->g_floatvalid = 1;
3077         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
3078             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
3079             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
3080             win->g_float.w, win->g_float.h);
3081 }
3082
3083 void
3084 stack_floater(struct ws_win *win, struct swm_region *r)
3085 {
3086         if (win == NULL)
3087                 return;
3088
3089         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
3090
3091         /*
3092          * to allow windows to change their size (e.g. mplayer fs) only retrieve
3093          * geom on ws switches or return from max mode
3094          */
3095         if (win->g_floatvalid && (win->floatmaxed || (r != r->ws->old_r &&
3096             !(win->ewmh_flags & EWMH_F_FULLSCREEN)))) {
3097                 /* refloat at last floating relative position */
3098                 win->g = win->g_float;
3099                 X(win) += X(r);
3100                 Y(win) += Y(r);
3101         }
3102
3103         win->floatmaxed = 0;
3104
3105         /*
3106          * if set to fullscreen mode, configure window to maximum size.
3107          */
3108         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3109                 if (!win->g_floatvalid)
3110                         store_float_geom(win, win->ws->r);
3111
3112                 win->g = win->ws->r->g;
3113         }
3114
3115         /*
3116          * remove border on fullscreen floater when in fullscreen mode or when
3117          * the quirk is present.
3118          */
3119         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
3120             ((win->quirks & SWM_Q_FULLSCREEN) &&
3121              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
3122                 if (win->bordered) {
3123                         win->bordered = 0;
3124                         X(win) += border_width;
3125                         Y(win) += border_width;
3126                 }
3127         } else if (!win->bordered) {
3128                 win->bordered = 1;
3129                 X(win) -= border_width;
3130                 Y(win) -= border_width;
3131         }
3132
3133         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
3134                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
3135                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
3136         }
3137
3138         if (!win->manual) {
3139                 /*
3140                  * floaters and transients are auto-centred unless moved
3141                  * or resized
3142                  */
3143                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
3144                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
3145         }
3146
3147         /* keep window within region bounds */
3148         constrain_window(win, r, 0);
3149
3150         update_window(win);
3151 }
3152
3153 /*
3154  * Send keystrokes to terminal to decrease/increase the font size as the
3155  * window size changes.
3156  */
3157 void
3158 adjust_font(struct ws_win *win)
3159 {
3160         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
3161             win->floating || win->transient)
3162                 return;
3163
3164         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
3165             WIDTH(win) / win->sh.width_inc < term_width &&
3166             win->font_steps < SWM_MAX_FONT_STEPS) {
3167                 win->font_size_boundary[win->font_steps] =
3168                     (win->sh.width_inc * term_width) + win->sh.base_width;
3169                 win->font_steps++;
3170                 font_adjusted++;
3171                 win->last_inc = win->sh.width_inc;
3172                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
3173         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
3174             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
3175                 win->font_steps--;
3176                 font_adjusted++;
3177                 win->last_inc = win->sh.width_inc;
3178                 fake_keypress(win, XK_KP_Add, ShiftMask);
3179         }
3180 }
3181
3182 #define SWAPXY(g)       do {                            \
3183         int tmp;                                        \
3184         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
3185         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
3186 } while (0)
3187 void
3188 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
3189 {
3190         struct swm_geometry     win_g, r_g = *g;
3191         struct ws_win           *win, *fs_win = NULL;
3192         int                     i, j, s, stacks;
3193         int                     w_inc = 1, h_inc, w_base = 1, h_base;
3194         int                     hrh, extra = 0, h_slice, last_h = 0;
3195         int                     split, colno, winno, mwin, msize, mscale;
3196         int                     remain, missing, v_slice, reconfigure;
3197         int                     bordered = 1;
3198         xcb_get_window_attributes_reply_t *war;
3199
3200         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
3201             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
3202
3203         winno = count_win(ws, 0);
3204         if (winno == 0 && count_win(ws, 1) == 0)
3205                 return;
3206
3207         TAILQ_FOREACH(win, &ws->winlist, entry)
3208                 if (win->transient == 0 && win->floating == 0
3209                     && win->iconic == 0)
3210                         break;
3211
3212         if (win == NULL)
3213                 goto notiles;
3214
3215         if (rot) {
3216                 w_inc = win->sh.width_inc;
3217                 w_base = win->sh.base_width;
3218                 mwin = ws->l_state.horizontal_mwin;
3219                 mscale = ws->l_state.horizontal_msize;
3220                 stacks = ws->l_state.horizontal_stacks;
3221                 SWAPXY(&r_g);
3222         } else {
3223                 w_inc = win->sh.height_inc;
3224                 w_base = win->sh.base_height;
3225                 mwin = ws->l_state.vertical_mwin;
3226                 mscale = ws->l_state.vertical_msize;
3227                 stacks = ws->l_state.vertical_stacks;
3228         }
3229         win_g = r_g;
3230
3231         if (stacks > winno - mwin)
3232                 stacks = winno - mwin;
3233         if (stacks < 1)
3234                 stacks = 1;
3235
3236         h_slice = r_g.h / SWM_H_SLICE;
3237         if (mwin && winno > mwin) {
3238                 v_slice = r_g.w / SWM_V_SLICE;
3239
3240                 split = mwin;
3241                 colno = split;
3242                 win_g.w = v_slice * mscale;
3243
3244                 if (w_inc > 1 && w_inc < v_slice) {
3245                         /* adjust for window's requested size increment */
3246                         remain = (win_g.w - w_base) % w_inc;
3247                         win_g.w -= remain;
3248                 }
3249
3250                 msize = win_g.w;
3251                 if (flip)
3252                         win_g.x += r_g.w - msize;
3253         } else {
3254                 msize = -2;
3255                 colno = split = winno / stacks;
3256                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
3257                     2 * border_width) / stacks);
3258         }
3259         hrh = r_g.h / colno;
3260         extra = r_g.h - (colno * hrh);
3261         win_g.h = hrh - 2 * border_width;
3262
3263         /*  stack all the tiled windows */
3264         i = j = 0, s = stacks;
3265         TAILQ_FOREACH(win, &ws->winlist, entry) {
3266                 if (win->transient != 0 || win->floating != 0)
3267                         continue;
3268                 if (win->iconic != 0)
3269                         continue;
3270
3271                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3272                         fs_win = win;
3273                         continue;
3274                 }
3275
3276                 if (split && i == split) {
3277                         colno = (winno - mwin) / stacks;
3278                         if (s <= (winno - mwin) % stacks)
3279                                 colno++;
3280                         split = split + colno;
3281                         hrh = (r_g.h / colno);
3282                         extra = r_g.h - (colno * hrh);
3283                         if (flip)
3284                                 win_g.x = r_g.x;
3285                         else
3286                                 win_g.x += win_g.w + 2 * border_width;
3287                         win_g.w = (r_g.w - msize -
3288                             (stacks * 2 * border_width)) / stacks;
3289                         if (s == 1)
3290                                 win_g.w += (r_g.w - msize -
3291                                     (stacks * 2 * border_width)) % stacks;
3292                         s--;
3293                         j = 0;
3294                 }
3295                 win_g.h = hrh - 2 * border_width;
3296                 if (rot) {
3297                         h_inc = win->sh.width_inc;
3298                         h_base = win->sh.base_width;
3299                 } else {
3300                         h_inc = win->sh.height_inc;
3301                         h_base = win->sh.base_height;
3302                 }
3303                 if (j == colno - 1) {
3304                         win_g.h = hrh + extra;
3305                 } else if (h_inc > 1 && h_inc < h_slice) {
3306                         /* adjust for window's requested size increment */
3307                         remain = (win_g.h - h_base) % h_inc;
3308                         missing = h_inc - remain;
3309
3310                         if (missing <= extra || j == 0) {
3311                                 extra -= missing;
3312                                 win_g.h += missing;
3313                         } else {
3314                                 win_g.h -= remain;
3315                                 extra += remain;
3316                         }
3317                 }
3318
3319                 if (j == 0)
3320                         win_g.y = r_g.y;
3321                 else
3322                         win_g.y += last_h + 2 * border_width;
3323
3324                 if (disable_border && bar_enabled == 0 && winno == 1){
3325                         bordered = 0;
3326                         win_g.w += 2 * border_width;
3327                         win_g.h += 2 * border_width;
3328                 } else {
3329                         bordered = 1;
3330                 }
3331                 if (rot) {
3332                         if (X(win) != win_g.y || Y(win) != win_g.x ||
3333                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
3334                                 reconfigure = 1;
3335                                 X(win) = win_g.y;
3336                                 Y(win) = win_g.x;
3337                                 WIDTH(win) = win_g.h;
3338                                 HEIGHT(win) = win_g.w;
3339                         }
3340                 } else {
3341                         if (X(win) != win_g.x || Y(win) != win_g.y ||
3342                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
3343                                 reconfigure = 1;
3344                                 X(win) = win_g.x;
3345                                 Y(win) = win_g.y;
3346                                 WIDTH(win) = win_g.w;
3347                                 HEIGHT(win) = win_g.h;
3348                         }
3349                 }
3350
3351                 if (bordered != win->bordered) {
3352                         reconfigure = 1;
3353                         win->bordered = bordered;
3354                 }
3355
3356                 if (reconfigure) {
3357                         adjust_font(win);
3358                         update_window(win);
3359                 }
3360
3361                 war = xcb_get_window_attributes_reply(conn,
3362                         xcb_get_window_attributes(conn, win->id),
3363                         NULL);
3364                 if (war) {
3365                         if (war->map_state == XCB_MAP_STATE_UNMAPPED)
3366                                 map_window_raised(win->id);
3367                         free(war);
3368                 }
3369
3370                 last_h = win_g.h;
3371                 i++;
3372                 j++;
3373         }
3374
3375 notiles:
3376         /* now, stack all the floaters and transients */
3377         TAILQ_FOREACH(win, &ws->winlist, entry) {
3378                 if (win->transient == 0 && win->floating == 0)
3379                         continue;
3380                 if (win->iconic == 1)
3381                         continue;
3382                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
3383                         fs_win = win;
3384                         continue;
3385                 }
3386
3387                 stack_floater(win, ws->r);
3388                 map_window_raised(win->id);
3389         }
3390
3391         if (fs_win) {
3392                 stack_floater(fs_win, ws->r);
3393                 map_window_raised(fs_win->id);
3394         }
3395 }
3396
3397 void
3398 vertical_config(struct workspace *ws, int id)
3399 {
3400         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
3401             id, ws->idx);
3402
3403         switch (id) {
3404         case SWM_ARG_ID_STACKRESET:
3405         case SWM_ARG_ID_STACKINIT:
3406                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
3407                 ws->l_state.vertical_mwin = 1;
3408                 ws->l_state.vertical_stacks = 1;
3409                 break;
3410         case SWM_ARG_ID_MASTERSHRINK:
3411                 if (ws->l_state.vertical_msize > 1)
3412                         ws->l_state.vertical_msize--;
3413                 break;
3414         case SWM_ARG_ID_MASTERGROW:
3415                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
3416                         ws->l_state.vertical_msize++;
3417                 break;
3418         case SWM_ARG_ID_MASTERADD:
3419                 ws->l_state.vertical_mwin++;
3420                 break;
3421         case SWM_ARG_ID_MASTERDEL:
3422                 if (ws->l_state.vertical_mwin > 0)
3423                         ws->l_state.vertical_mwin--;
3424                 break;
3425         case SWM_ARG_ID_STACKINC:
3426                 ws->l_state.vertical_stacks++;
3427                 break;
3428         case SWM_ARG_ID_STACKDEC:
3429                 if (ws->l_state.vertical_stacks > 1)
3430                         ws->l_state.vertical_stacks--;
3431                 break;
3432         case SWM_ARG_ID_FLIPLAYOUT:
3433                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
3434                 break;
3435         default:
3436                 return;
3437         }
3438 }
3439
3440 void
3441 vertical_stack(struct workspace *ws, struct swm_geometry *g)
3442 {
3443         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
3444
3445         stack_master(ws, g, 0, ws->l_state.vertical_flip);
3446 }
3447
3448 void
3449 horizontal_config(struct workspace *ws, int id)
3450 {
3451         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
3452
3453         switch (id) {
3454         case SWM_ARG_ID_STACKRESET:
3455         case SWM_ARG_ID_STACKINIT:
3456                 ws->l_state.horizontal_mwin = 1;
3457                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
3458                 ws->l_state.horizontal_stacks = 1;
3459                 break;
3460         case SWM_ARG_ID_MASTERSHRINK:
3461                 if (ws->l_state.horizontal_msize > 1)
3462                         ws->l_state.horizontal_msize--;
3463                 break;
3464         case SWM_ARG_ID_MASTERGROW:
3465                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
3466                         ws->l_state.horizontal_msize++;
3467                 break;
3468         case SWM_ARG_ID_MASTERADD:
3469                 ws->l_state.horizontal_mwin++;
3470                 break;
3471         case SWM_ARG_ID_MASTERDEL:
3472                 if (ws->l_state.horizontal_mwin > 0)
3473                         ws->l_state.horizontal_mwin--;
3474                 break;
3475         case SWM_ARG_ID_STACKINC:
3476                 ws->l_state.horizontal_stacks++;
3477                 break;
3478         case SWM_ARG_ID_STACKDEC:
3479                 if (ws->l_state.horizontal_stacks > 1)
3480                         ws->l_state.horizontal_stacks--;
3481                 break;
3482         case SWM_ARG_ID_FLIPLAYOUT:
3483                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
3484                 break;
3485         default:
3486                 return;
3487         }
3488 }
3489
3490 void
3491 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
3492 {
3493         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
3494
3495         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
3496 }
3497
3498 /* fullscreen view */
3499 void
3500 max_stack(struct workspace *ws, struct swm_geometry *g)
3501 {
3502         struct swm_geometry     gg = *g;
3503         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
3504         int                     winno, num_screens;
3505
3506         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
3507
3508         if (ws == NULL)
3509                 return;
3510
3511         winno = count_win(ws, 0);
3512         if (winno == 0 && count_win(ws, 1) == 0)
3513                 return;
3514
3515         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
3516         TAILQ_FOREACH(win, &ws->winlist, entry) {
3517                 if (win->transient) {
3518                         wintrans = win;
3519                         parent = find_window(win->transient);
3520                         continue;
3521                 }
3522
3523                 if (win->floating && win->floatmaxed == 0 ) {
3524                         /*
3525                          * retain geometry for retrieval on exit from
3526                          * max_stack mode
3527                          */
3528                         store_float_geom(win, ws->r);
3529                         win->floatmaxed = 1;
3530                 }
3531
3532                 /* only reconfigure if necessary */
3533                 if (X(win) != gg.x || Y(win) != gg.y || WIDTH(win) != gg.w ||
3534                     HEIGHT(win) != gg.h) {
3535                         win->g = gg;
3536                         if (bar_enabled){
3537                                 win->bordered = 1;
3538                         } else {
3539                                 win->bordered = 0;
3540                                 WIDTH(win) += 2 * border_width;
3541                                 HEIGHT(win) += 2 * border_width;
3542                         }
3543
3544                         update_window(win);
3545                 }
3546                 /* unmap only if we don't have multi screen */
3547                 if (win != ws->focus)
3548                         if (!(num_screens > 1 || outputs > 1))
3549                                 unmap_window(win);
3550         }
3551
3552         /* put the last transient on top */
3553         if (wintrans) {
3554                 if (parent)
3555                         map_window_raised(parent->id);
3556                 stack_floater(wintrans, ws->r);
3557                 focus_magic(wintrans);
3558         }
3559 }
3560
3561 void
3562 send_to_ws(struct swm_region *r, union arg *args)
3563 {
3564         int                     wsid = args->id;
3565         struct ws_win           *win = NULL, *parent;
3566         struct workspace        *ws, *nws;
3567         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
3568         char                    ws_idx_str[SWM_PROPLEN];
3569         union arg               a;
3570
3571         if (wsid >= workspace_limit)
3572                 return;
3573
3574         if (r && r->ws && r->ws->focus)
3575                 win = r->ws->focus;
3576         else
3577                 return;
3578         if (win == NULL)
3579                 return;
3580         if (win->ws->idx == wsid)
3581                 return;
3582
3583         DNPRINTF(SWM_D_MOVE, "send_to_ws: window: 0x%x\n", win->id);
3584
3585         ws = win->ws;
3586         nws = &win->s->ws[wsid];
3587
3588         a.id = SWM_ARG_ID_FOCUSPREV;
3589         focus(r, &a);
3590         if (win->transient) {
3591                 parent = find_window(win->transient);
3592                 if (parent) {
3593                         unmap_window(parent);
3594                         TAILQ_REMOVE(&ws->winlist, parent, entry);
3595                         TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
3596                         parent->ws = nws;
3597                 }
3598         }
3599         unmap_window(win);
3600         TAILQ_REMOVE(&ws->winlist, win, entry);
3601         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
3602         if (TAILQ_EMPTY(&ws->winlist))
3603                 r->ws->focus = NULL;
3604         win->ws = nws;
3605
3606         /* Try to update the window's workspace property */
3607         ws_idx_atom = get_atom_from_string("_SWM_WS");
3608         if (ws_idx_atom &&
3609             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) <
3610                 SWM_PROPLEN) {
3611                 DNPRINTF(SWM_D_PROP, "send_to_ws: set property: _SWM_WS: %s\n",
3612                     ws_idx_str);
3613                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
3614                     ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
3615                     ws_idx_str);
3616         }
3617
3618         stack();
3619         bar_update();
3620
3621         xcb_flush(conn);
3622 }
3623
3624 void
3625 pressbutton(struct swm_region *r, union arg *args)
3626 {
3627         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
3628             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3629         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
3630             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
3631 }
3632
3633 void
3634 raise_toggle(struct swm_region *r, union arg *args)
3635 {
3636         if (r == NULL || r->ws == NULL)
3637                 return;
3638
3639         r->ws->always_raise = !r->ws->always_raise;
3640
3641         /* bring floaters back to top */
3642         if (r->ws->always_raise == 0)
3643                 stack();
3644
3645         xcb_flush(conn);
3646 }
3647
3648 void
3649 iconify(struct swm_region *r, union arg *args)
3650 {
3651         union arg a;
3652
3653         if (r->ws->focus == NULL)
3654                 return;
3655         unmap_window(r->ws->focus);
3656         update_iconic(r->ws->focus, 1);
3657         stack();
3658
3659         r->ws->focus = NULL;
3660         a.id = SWM_ARG_ID_FOCUSCUR;
3661         focus(r, &a);
3662
3663         xcb_flush(conn);
3664 }
3665
3666 char *
3667 get_win_name(xcb_window_t win)
3668 {
3669         char                            *name = NULL;
3670         xcb_get_property_cookie_t       c;
3671         xcb_icccm_get_text_property_reply_t     r;
3672
3673         c = xcb_icccm_get_wm_name(conn, win);
3674         if (xcb_icccm_get_wm_name_reply(conn, c, &r, NULL)) {
3675                 if (r.name_len > 0) {
3676                         name = malloc(r.name_len + 1);
3677                         if (!name) {
3678                                 xcb_icccm_get_text_property_reply_wipe(&r);
3679                                 return (NULL);
3680                         }
3681                         memcpy(name, r.name, r.name_len);
3682                         name[r.name_len] = '\0';
3683                 }
3684                 xcb_icccm_get_text_property_reply_wipe(&r);
3685         }
3686
3687         return (name);
3688 }
3689
3690 void
3691 uniconify(struct swm_region *r, union arg *args)
3692 {
3693         struct ws_win           *win;
3694         FILE                    *lfile;
3695         char                    *name;
3696         int                     count = 0;
3697
3698         DNPRINTF(SWM_D_MISC, "uniconify\n");
3699
3700         if (r == NULL || r->ws == NULL)
3701                 return;
3702
3703         /* make sure we have anything to uniconify */
3704         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3705                 if (win->ws == NULL)
3706                         continue; /* should never happen */
3707                 if (win->iconic == 0)
3708                         continue;
3709                 count++;
3710         }
3711         if (count == 0)
3712                 return;
3713
3714         search_r = r;
3715         search_resp_action = SWM_SEARCH_UNICONIFY;
3716
3717         spawn_select(r, args, "search", &searchpid);
3718
3719         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3720                 return;
3721
3722         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3723                 if (win->ws == NULL)
3724                         continue; /* should never happen */
3725                 if (win->iconic == 0)
3726                         continue;
3727
3728                 name = get_win_name(win->id);
3729                 if (name == NULL)
3730                         continue;
3731                 fprintf(lfile, "%s.%u\n", name, win->id);
3732                 free(name);
3733         }
3734
3735         fclose(lfile);
3736
3737         xcb_flush(conn);
3738 }
3739
3740 void
3741 name_workspace(struct swm_region *r, union arg *args)
3742 {
3743         FILE                    *lfile;
3744
3745         DNPRINTF(SWM_D_MISC, "name_workspace\n");
3746
3747         if (r == NULL)
3748                 return;
3749
3750         search_r = r;
3751         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
3752
3753         spawn_select(r, args, "name_workspace", &searchpid);
3754
3755         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3756                 return;
3757
3758         fprintf(lfile, "%s", "");
3759         fclose(lfile);
3760 }
3761
3762 void
3763 search_workspace(struct swm_region *r, union arg *args)
3764 {
3765         int                     i;
3766         struct workspace        *ws;
3767         FILE                    *lfile;
3768
3769         DNPRINTF(SWM_D_MISC, "search_workspace\n");
3770
3771         if (r == NULL)
3772                 return;
3773
3774         search_r = r;
3775         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
3776
3777         spawn_select(r, args, "search", &searchpid);
3778
3779         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3780                 return;
3781
3782         for (i = 0; i < workspace_limit; i++) {
3783                 ws = &r->s->ws[i];
3784                 if (ws == NULL)
3785                         continue;
3786                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
3787                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
3788         }
3789
3790         fclose(lfile);
3791 }
3792
3793 void
3794 search_win_cleanup(void)
3795 {
3796         struct search_window    *sw = NULL;
3797
3798         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
3799                 xcb_destroy_window(conn, sw->indicator);
3800                 xcb_free_gc(conn, sw->gc);
3801                 TAILQ_REMOVE(&search_wl, sw, entry);
3802                 free(sw);
3803         }
3804 }
3805
3806 void
3807 search_win(struct swm_region *r, union arg *args)
3808 {
3809         struct ws_win           *win = NULL;
3810         struct search_window    *sw = NULL;
3811         xcb_window_t            w;
3812         uint32_t                gcv[3], wa[2];
3813         int                     i;
3814         char                    s[8];
3815         FILE                    *lfile;
3816         size_t                  len;
3817         XRectangle              ibox, lbox;
3818         DNPRINTF(SWM_D_MISC, "search_win\n");
3819
3820         search_r = r;
3821         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
3822
3823         spawn_select(r, args, "search", &searchpid);
3824
3825         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
3826                 return;
3827
3828         TAILQ_INIT(&search_wl);
3829
3830         i = 1;
3831         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
3832                 if (win->iconic == 1)
3833                         continue;
3834
3835                 sw = calloc(1, sizeof(struct search_window));
3836                 if (sw == NULL) {
3837                         warn("search_win: calloc");
3838                         fclose(lfile);
3839                         search_win_cleanup();
3840                         return;
3841                 }
3842                 sw->idx = i;
3843                 sw->win = win;
3844
3845                 snprintf(s, sizeof s, "%d", i);
3846                 len = strlen(s);
3847
3848                 XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
3849
3850                 w = xcb_generate_id(conn);
3851                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].color;
3852                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].color;
3853                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
3854                     lbox.width + 4, bar_fs_extents->max_logical_extent.height,
3855                     1, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
3856                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
3857
3858                 sw->indicator = w;
3859                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
3860
3861                 sw->gc = xcb_generate_id(conn);
3862                 gcv[0] = r->s->c[SWM_S_COLOR_BAR].color;
3863                 gcv[1] = r->s->c[SWM_S_COLOR_FOCUS].color;
3864                 gcv[2] = 0;
3865                 xcb_create_gc(conn, sw->gc, w, XCB_GC_FOREGROUND |
3866                     XCB_GC_BACKGROUND | XCB_GC_GRAPHICS_EXPOSURES, gcv);
3867                 map_window_raised(w);
3868
3869                 xcb_image_text_8(conn, len, w, sw->gc, 2,
3870                     (bar_fs_extents->max_logical_extent.height -
3871                     lbox.height) / 2 - lbox.y, s);
3872
3873                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
3874
3875                 fprintf(lfile, "%d\n", i);
3876                 i++;
3877         }
3878
3879         fclose(lfile);
3880
3881         xcb_flush(conn);
3882 }
3883
3884 void
3885 search_resp_uniconify(char *resp, unsigned long len)
3886 {
3887         char                    *name;
3888         struct ws_win           *win;
3889         char                    *s;
3890
3891         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
3892
3893         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
3894                 if (win->iconic == 0)
3895                         continue;
3896                 name = get_win_name(win->id);
3897                 if (name == NULL)
3898                         continue;
3899                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
3900                         free(name);
3901                         continue;
3902                 }
3903                 free(name);
3904                 if (strncmp(s, resp, len) == 0) {
3905                         /* XXX this should be a callback to generalize */
3906                         update_iconic(win, 0);
3907                         free(s);
3908                         break;
3909                 }
3910                 free(s);
3911         }
3912 }
3913
3914 void
3915 search_resp_name_workspace(char *resp, unsigned long len)
3916 {
3917         struct workspace        *ws;
3918
3919         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
3920
3921         if (search_r->ws == NULL)
3922                 return;
3923         ws = search_r->ws;
3924
3925         if (ws->name) {
3926                 free(search_r->ws->name);
3927                 search_r->ws->name = NULL;
3928         }
3929
3930         if (len > 1) {
3931                 ws->name = strdup(resp);
3932                 if (ws->name == NULL) {
3933                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
3934                             "strdup: %s", strerror(errno));
3935                         return;
3936                 }
3937         }
3938 }
3939
3940 void
3941 search_resp_search_workspace(char *resp, unsigned long len)
3942 {
3943         char                    *p, *q;
3944         int                     ws_idx;
3945         const char              *errstr;
3946         union arg               a;
3947
3948         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
3949
3950         q = strdup(resp);
3951         if (!q) {
3952                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
3953                     strerror(errno));
3954                 return;
3955         }
3956         p = strchr(q, ':');
3957         if (p != NULL)
3958                 *p = '\0';
3959         ws_idx = strtonum(q, 1, workspace_limit, &errstr);
3960         if (errstr) {
3961                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
3962                     errstr, q);
3963                 free(q);
3964                 return;
3965         }
3966         free(q);
3967         a.id = ws_idx - 1;
3968         switchws(search_r, &a);
3969 }
3970
3971 void
3972 search_resp_search_window(char *resp, unsigned long len)
3973 {
3974         char                    *s;
3975         int                     idx;
3976         const char              *errstr;
3977         struct search_window    *sw;
3978
3979         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
3980
3981         s = strdup(resp);
3982         if (!s) {
3983                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
3984                     strerror(errno));
3985                 return;
3986         }
3987
3988         idx = strtonum(s, 1, INT_MAX, &errstr);
3989         if (errstr) {
3990                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
3991                     errstr, s);
3992                 free(s);
3993                 return;
3994         }
3995         free(s);
3996
3997         TAILQ_FOREACH(sw, &search_wl, entry)
3998                 if (idx == sw->idx) {
3999                         focus_win(sw->win);
4000                         break;
4001                 }
4002 }
4003
4004 #define MAX_RESP_LEN    1024
4005
4006 void
4007 search_do_resp(void)
4008 {
4009         ssize_t                 rbytes;
4010         char                    *resp;
4011         unsigned long           len;
4012
4013         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
4014
4015         search_resp = 0;
4016         searchpid = 0;
4017
4018         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
4019                 warn("search: calloc");
4020                 goto done;
4021         }
4022
4023         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
4024         if (rbytes <= 0) {
4025                 warn("search: read error");
4026                 goto done;
4027         }
4028         resp[rbytes] = '\0';
4029
4030         /* XXX:
4031          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
4032          * newline, so work around that by sanitizing the resp now.
4033          */
4034         resp[strcspn(resp, "\n")] = '\0';
4035         len = strlen(resp);
4036
4037         switch (search_resp_action) {
4038         case SWM_SEARCH_UNICONIFY:
4039                 search_resp_uniconify(resp, len);
4040                 break;
4041         case SWM_SEARCH_NAME_WORKSPACE:
4042                 search_resp_name_workspace(resp, len);
4043                 break;
4044         case SWM_SEARCH_SEARCH_WORKSPACE:
4045                 search_resp_search_workspace(resp, len);
4046                 break;
4047         case SWM_SEARCH_SEARCH_WINDOW:
4048                 search_resp_search_window(resp, len);
4049                 break;
4050         }
4051
4052 done:
4053         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
4054                 search_win_cleanup();
4055
4056         search_resp_action = SWM_SEARCH_NONE;
4057         close(select_resp_pipe[0]);
4058         free(resp);
4059 }
4060
4061 void
4062 wkill(struct swm_region *r, union arg *args)
4063 {
4064         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
4065
4066         if (r->ws->focus == NULL)
4067                 return;
4068
4069         if (args->id == SWM_ARG_ID_KILLWINDOW)
4070                 xcb_kill_client(conn, r->ws->focus->id);
4071         else
4072                 if (r->ws->focus->can_delete)
4073                         client_msg(r->ws->focus, adelete);
4074
4075         xcb_flush(conn);
4076 }
4077
4078
4079 int
4080 floating_toggle_win(struct ws_win *win)
4081 {
4082         struct swm_region       *r;
4083
4084         if (win == NULL)
4085                 return (0);
4086
4087         if (!win->ws->r)
4088                 return (0);
4089
4090         r = win->ws->r;
4091
4092         /* reject floating toggles in max stack mode */
4093         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
4094                 return (0);
4095
4096         if (win->floating) {
4097                 if (!win->floatmaxed) {
4098                         /* retain position for refloat */
4099                         store_float_geom(win, r);
4100                 }
4101                 win->floating = 0;
4102         } else {
4103                 if (win->g_floatvalid) {
4104                         /* refloat at last floating relative position */
4105                         X(win) = win->g_float.x + X(r);
4106                         Y(win) = win->g_float.y + Y(r);
4107                         WIDTH(win) = win->g_float.w;
4108                         HEIGHT(win) = win->g_float.h;
4109                 }
4110                 win->floating = 1;
4111         }
4112
4113         ewmh_update_actions(win);
4114
4115         return (1);
4116 }
4117
4118 void
4119 floating_toggle(struct swm_region *r, union arg *args)
4120 {
4121         struct ws_win           *win = r->ws->focus;
4122         union arg               a;
4123
4124         if (win == NULL)
4125                 return;
4126
4127         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4128             _NET_WM_STATE_TOGGLE);
4129
4130         stack();
4131
4132         if (win == win->ws->focus) {
4133                 a.id = SWM_ARG_ID_FOCUSCUR;
4134                 focus(win->ws->r, &a);
4135         }
4136
4137         xcb_flush(conn);
4138         event_drain(XCB_ENTER_NOTIFY);
4139 }
4140
4141 void
4142 constrain_window(struct ws_win *win, struct swm_region *r, int resizable)
4143 {
4144         if (MAX_X(win) + BORDER(win) > MAX_X(r)) {
4145                 if (resizable)
4146                         WIDTH(win) = MAX_X(r) - X(win) - BORDER(win);
4147                 else
4148                         X(win) = MAX_X(r)- WIDTH(win) - BORDER(win);
4149         }
4150
4151         if (X(win) + BORDER(win) < X(r)) {
4152                 if (resizable)
4153                         WIDTH(win) -= X(r) - X(win) - BORDER(win);
4154
4155                 X(win) = X(r) - BORDER(win);
4156         }
4157
4158         if (MAX_Y(win) + BORDER(win) > MAX_Y(r)) {
4159                 if (resizable)
4160                         HEIGHT(win) = MAX_Y(r) - Y(win) - BORDER(win);
4161                 else
4162                         Y(win) = MAX_Y(r) - HEIGHT(win) - BORDER(win);
4163         }
4164
4165         if (Y(win) + BORDER(win) < Y(r)) {
4166                 if (resizable)
4167                         HEIGHT(win) -= Y(r) - Y(win) - BORDER(win);
4168
4169                 Y(win) = Y(r) - BORDER(win);
4170         }
4171
4172         if (resizable) {
4173                 if (WIDTH(win) < 1)
4174                         WIDTH(win) = 1;
4175                 if (HEIGHT(win) < 1)
4176                         HEIGHT(win) = 1;
4177         }
4178 }
4179
4180 void
4181 update_window(struct ws_win *win)
4182 {
4183         uint16_t        mask;
4184         uint32_t        wc[5];
4185
4186         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
4187                 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
4188                 XCB_CONFIG_WINDOW_BORDER_WIDTH;
4189         wc[0] = X(win);
4190         wc[1] = Y(win);
4191         wc[2] = WIDTH(win);
4192         wc[3] = HEIGHT(win);
4193         wc[4] = BORDER(win);
4194
4195         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
4196             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
4197             wc[3], YESNO(win->bordered));
4198
4199         xcb_configure_window(conn, win->id, mask, wc);
4200 }
4201
4202 #define SWM_RESIZE_STEPS        (50)
4203
4204 void
4205 resize(struct ws_win *win, union arg *args)
4206 {
4207         xcb_timestamp_t         timestamp = 0;
4208         struct swm_region       *r = NULL;
4209         int                     resize_step = 0;
4210         struct swm_geometry     g;
4211         int                     top = 0, left = 0, resizing;
4212         int                     dx, dy;
4213         unsigned int            shape; /* cursor style */
4214         xcb_cursor_t            cursor;
4215         xcb_font_t              cursor_font;
4216         xcb_grab_pointer_cookie_t       gpc;
4217         xcb_grab_pointer_reply_t        *gpr;
4218         xcb_query_pointer_reply_t       *xpr;
4219         xcb_generic_event_t             *evt;
4220         xcb_motion_notify_event_t       *mne;
4221
4222         if (win == NULL)
4223                 return;
4224         r = win->ws->r;
4225
4226         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4227                 return;
4228
4229         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
4230             "transient: 0x%x\n", win->id, YESNO(win->floating),
4231             win->transient);
4232
4233         if (!(win->transient != 0 || win->floating != 0))
4234                 return;
4235
4236         /* reject resizes in max mode for floaters (transient ok) */
4237         if (win->floatmaxed)
4238                 return;
4239
4240         win->manual = 1;
4241         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4242             _NET_WM_STATE_ADD);
4243
4244         stack();
4245
4246         switch (args->id) {
4247         case SWM_ARG_ID_WIDTHSHRINK:
4248                 WIDTH(win) -= SWM_RESIZE_STEPS;
4249                 resize_step = 1;
4250                 break;
4251         case SWM_ARG_ID_WIDTHGROW:
4252                 WIDTH(win) += SWM_RESIZE_STEPS;
4253                 resize_step = 1;
4254                 break;
4255         case SWM_ARG_ID_HEIGHTSHRINK:
4256                 HEIGHT(win) -= SWM_RESIZE_STEPS;
4257                 resize_step = 1;
4258                 break;
4259         case SWM_ARG_ID_HEIGHTGROW:
4260                 HEIGHT(win) += SWM_RESIZE_STEPS;
4261                 resize_step = 1;
4262                 break;
4263         default:
4264                 break;
4265         }
4266         if (resize_step) {
4267                 constrain_window(win, r, 1);
4268                 update_window(win);
4269                 store_float_geom(win,r);
4270                 return;
4271         }
4272
4273         /* get cursor offset from window root */
4274         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4275             NULL);
4276         if (!xpr)
4277                 return;
4278
4279         g = win->g;
4280
4281         if (xpr->win_x < WIDTH(win) / 2)
4282                 left = 1;
4283
4284         if (xpr->win_y < HEIGHT(win) / 2)
4285                 top = 1;
4286
4287         if (args->id == SWM_ARG_ID_CENTER)
4288                 shape = XC_sizing;
4289         else if (top)
4290                 shape = (left) ? XC_top_left_corner : XC_top_right_corner;
4291         else
4292                 shape = (left) ? XC_bottom_left_corner : XC_bottom_right_corner;
4293
4294         cursor_font = xcb_generate_id(conn);
4295         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4296
4297         cursor = xcb_generate_id(conn);
4298         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4299             shape, shape + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4300
4301         gpc = xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4302             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
4303             XCB_CURRENT_TIME),
4304         gpr = xcb_grab_pointer_reply(conn, gpc, NULL);
4305         if (!gpr) {
4306                 xcb_free_cursor(conn, cursor);
4307                 xcb_close_font(conn, cursor_font);
4308                 free(xpr);
4309                 return;
4310         }
4311
4312         xcb_flush(conn);
4313         resizing = 1;
4314         while ((evt = xcb_wait_for_event(conn)) && resizing) {
4315                 /*
4316                 XMaskEvent(display, MOUSEMASK | ExposureMask |
4317                     SubstructureRedirectMask, &ev);
4318                 */
4319                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4320                 case XCB_BUTTON_RELEASE:
4321                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
4322                         resizing = 0;
4323                         break;
4324                 case XCB_MOTION_NOTIFY:
4325                         mne = (xcb_motion_notify_event_t *)evt;
4326                         /* cursor offset/delta from start of the operation */
4327                         dx = mne->root_x - xpr->root_x;
4328                         dy = mne->root_y - xpr->root_y;
4329
4330                         /* vertical */
4331                         if (top)
4332                                 dy = -dy;
4333
4334                         if (args->id == SWM_ARG_ID_CENTER) {
4335                                 if (g.h / 2 + dy < 1)
4336                                         dy = 1 - g.h / 2;
4337
4338                                 Y(win) = g.y - dy;
4339                                 HEIGHT(win) = g.h + 2 * dy;
4340                         } else {
4341                                 if (g.h + dy < 1)
4342                                         dy = 1 - g.h;
4343
4344                                 if (top)
4345                                         Y(win) = g.y - dy;
4346
4347                                 HEIGHT(win) = g.h + dy;
4348                         }
4349
4350                         /* horizontal */
4351                         if (left)
4352                                 dx = -dx;
4353
4354                         if (args->id == SWM_ARG_ID_CENTER) {
4355                                 if (g.w / 2 + dx < 1)
4356                                         dx = 1 - g.w / 2;
4357
4358                                 X(win) = g.x - dx;
4359                                 WIDTH(win) = g.w + 2 * dx;
4360                         } else {
4361                                 if (g.w + dx < 1)
4362                                         dx = 1 - g.w;
4363
4364                                 if (left)
4365                                         X(win) = g.x - dx;
4366
4367                                 WIDTH(win) = g.w + dx;
4368                         }
4369
4370                         constrain_window(win, r, 1);
4371
4372                         /* not free, don't sync more than 120 times / second */
4373                         if ((mne->time - timestamp) > (1000 / 120) ) {
4374                                 timestamp = mne->time;
4375                                 do_sync();
4376                                 update_window(win);
4377                         }
4378                         break;
4379                 default:
4380                         event_handle(evt);
4381                         break;
4382                 }
4383                 free(evt);
4384         }
4385         if (timestamp) {
4386                 do_sync();
4387                 update_window(win);
4388         }
4389         store_float_geom(win,r);
4390
4391         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4392         xcb_free_cursor(conn, cursor);
4393         xcb_close_font(conn, cursor_font);
4394         free(gpr);
4395         free(xpr);
4396         DNPRINTF(SWM_D_EVENT, "resize: done\n");
4397 }
4398
4399 void
4400 resize_step(struct swm_region *r, union arg *args)
4401 {
4402         struct ws_win           *win = NULL;
4403
4404         if (r && r->ws && r->ws->focus)
4405                 win = r->ws->focus;
4406         else
4407                 return;
4408
4409         resize(win, args);
4410 }
4411
4412 #define SWM_MOVE_STEPS  (50)
4413
4414 void
4415 move(struct ws_win *win, union arg *args)
4416 {
4417         xcb_timestamp_t         timestamp = 0;
4418         int                     move_step = 0, moving;
4419         struct swm_region       *r = NULL;
4420         xcb_font_t                      cursor_font;
4421         xcb_cursor_t                    cursor;
4422         xcb_grab_pointer_cookie_t       gpc;
4423         xcb_grab_pointer_reply_t        *gpr;
4424         xcb_query_pointer_reply_t       *qpr;
4425         xcb_generic_event_t             *evt;
4426         xcb_motion_notify_event_t       *mne;
4427
4428         if (win == NULL)
4429                 return;
4430         r = win->ws->r;
4431
4432         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
4433                 return;
4434
4435         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
4436             "0x%x\n", win->id, YESNO(win->floating), win->transient);
4437
4438         /* in max_stack mode should only move transients */
4439         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
4440                 return;
4441
4442         win->manual = 1;
4443         if (win->floating == 0 && !win->transient) {
4444                 store_float_geom(win, r);
4445                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
4446                     _NET_WM_STATE_ADD);
4447         }
4448         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
4449             _NET_WM_STATE_ADD);
4450
4451         stack();
4452
4453         move_step = 0;
4454         switch (args->id) {
4455         case SWM_ARG_ID_MOVELEFT:
4456                 X(win) -= (SWM_MOVE_STEPS - border_width);
4457                 move_step = 1;
4458                 break;
4459         case SWM_ARG_ID_MOVERIGHT:
4460                 X(win) += (SWM_MOVE_STEPS - border_width);
4461                 move_step = 1;
4462                 break;
4463         case SWM_ARG_ID_MOVEUP:
4464                 Y(win) -= (SWM_MOVE_STEPS - border_width);
4465                 move_step = 1;
4466                 break;
4467         case SWM_ARG_ID_MOVEDOWN:
4468                 Y(win) += (SWM_MOVE_STEPS - border_width);
4469                 move_step = 1;
4470                 break;
4471         default:
4472                 break;
4473         }
4474         if (move_step) {
4475                 constrain_window(win, r, 0);
4476                 update_window(win);
4477                 store_float_geom(win, r);
4478                 return;
4479         }
4480
4481         cursor_font = xcb_generate_id(conn);
4482         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
4483
4484         cursor = xcb_generate_id(conn);
4485         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
4486                 XC_fleur, XC_fleur + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
4487
4488         gpc = xcb_grab_pointer(conn, False, win->id, MOUSEMASK,
4489             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
4490             XCB_WINDOW_NONE, cursor, XCB_CURRENT_TIME);
4491         gpr = xcb_grab_pointer_reply(conn, gpc, NULL);
4492         if (!gpr) {
4493                 xcb_free_cursor(conn, cursor);
4494                 xcb_close_font(conn, cursor_font);
4495                 return;
4496         }
4497
4498         /* get cursor offset from window root */
4499         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
4500                 NULL);
4501         if (!qpr) {
4502                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4503                 xcb_free_cursor(conn, cursor);
4504                 xcb_close_font(conn, cursor_font);
4505                 return;
4506         }
4507
4508         xcb_flush(conn);
4509         moving = 1;
4510         while ((evt = xcb_wait_for_event(conn)) && moving) {
4511                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
4512                 case XCB_BUTTON_RELEASE:
4513                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
4514                         moving = 0;
4515                         break;
4516                 case XCB_MOTION_NOTIFY:
4517                         mne = (xcb_motion_notify_event_t *)evt;
4518                         X(win) = mne->root_x - qpr->win_x - border_width;
4519                         Y(win) = mne->root_y - qpr->win_y - border_width;
4520
4521                         constrain_window(win, r, 0);
4522
4523                         /* not free, don't sync more than 120 times / second */
4524                         if ((mne->time - timestamp) > (1000 / 120) ) {
4525                                 timestamp = mne->time;
4526                                 do_sync();
4527                                 update_window(win);
4528                         }
4529                         break;
4530                 default:
4531                         event_handle(evt);
4532                         break;
4533                 }
4534                 free(evt);
4535         }
4536         if (timestamp) {
4537                 do_sync();
4538                 update_window(win);
4539         }
4540         store_float_geom(win, r);
4541         free(qpr);
4542         xcb_free_cursor(conn, cursor);
4543         xcb_close_font(conn, cursor_font);
4544         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
4545         DNPRINTF(SWM_D_EVENT, "move: done\n");
4546 }
4547
4548 void
4549 move_step(struct swm_region *r, union arg *args)
4550 {
4551         struct ws_win           *win = NULL;
4552
4553         if (r && r->ws && r->ws->focus)
4554                 win = r->ws->focus;
4555         else
4556                 return;
4557
4558         if (!(win->transient != 0 || win->floating != 0))
4559                 return;
4560
4561         move(win, args);
4562 }
4563
4564
4565 /* user/key callable function IDs */
4566 enum keyfuncid {
4567         KF_BAR_TOGGLE,
4568         KF_BUTTON2,
4569         KF_CYCLE_LAYOUT,
4570         KF_FLIP_LAYOUT,
4571         KF_FLOAT_TOGGLE,
4572         KF_FOCUS_MAIN,
4573         KF_FOCUS_NEXT,
4574         KF_FOCUS_PREV,
4575         KF_HEIGHT_GROW,
4576         KF_HEIGHT_SHRINK,
4577         KF_ICONIFY,
4578         KF_MASTER_SHRINK,
4579         KF_MASTER_GROW,
4580         KF_MASTER_ADD,
4581         KF_MASTER_DEL,
4582         KF_MOVE_DOWN,
4583         KF_MOVE_LEFT,
4584         KF_MOVE_RIGHT,
4585         KF_MOVE_UP,
4586         KF_MVWS_1,
4587         KF_MVWS_2,
4588         KF_MVWS_3,
4589         KF_MVWS_4,
4590         KF_MVWS_5,
4591         KF_MVWS_6,
4592         KF_MVWS_7,
4593         KF_MVWS_8,
4594         KF_MVWS_9,
4595         KF_MVWS_10,
4596         KF_MVWS_11,
4597         KF_MVWS_12,
4598         KF_MVWS_13,
4599         KF_MVWS_14,
4600         KF_MVWS_15,
4601         KF_MVWS_16,
4602         KF_MVWS_17,
4603         KF_MVWS_18,
4604         KF_MVWS_19,
4605         KF_MVWS_20,
4606         KF_MVWS_21,
4607         KF_MVWS_22,
4608         KF_NAME_WORKSPACE,
4609         KF_QUIT,
4610         KF_RAISE_TOGGLE,
4611         KF_RESTART,
4612         KF_SCREEN_NEXT,
4613         KF_SCREEN_PREV,
4614         KF_SEARCH_WIN,
4615         KF_SEARCH_WORKSPACE,
4616         KF_SPAWN_CUSTOM,
4617         KF_STACK_INC,
4618         KF_STACK_DEC,
4619         KF_STACK_RESET,
4620         KF_SWAP_MAIN,
4621         KF_SWAP_NEXT,
4622         KF_SWAP_PREV,
4623         KF_UNICONIFY,
4624         KF_VERSION,
4625         KF_WIDTH_GROW,
4626         KF_WIDTH_SHRINK,
4627         KF_WIND_DEL,
4628         KF_WIND_KILL,
4629         KF_WS_1,
4630         KF_WS_2,
4631         KF_WS_3,
4632         KF_WS_4,
4633         KF_WS_5,
4634         KF_WS_6,
4635         KF_WS_7,
4636         KF_WS_8,
4637         KF_WS_9,
4638         KF_WS_10,
4639         KF_WS_11,
4640         KF_WS_12,
4641         KF_WS_13,
4642         KF_WS_14,
4643         KF_WS_15,
4644         KF_WS_16,
4645         KF_WS_17,
4646         KF_WS_18,
4647         KF_WS_19,
4648         KF_WS_20,
4649         KF_WS_21,
4650         KF_WS_22,
4651         KF_WS_NEXT,
4652         KF_WS_NEXT_ALL,
4653         KF_WS_PREV,
4654         KF_WS_PREV_ALL,
4655         KF_WS_PRIOR,
4656         KF_DUMPWINS, /* MUST BE LAST */
4657         KF_INVALID
4658 };
4659
4660 /* key definitions */
4661 struct keyfunc {
4662         char                    name[SWM_FUNCNAME_LEN];
4663         void                    (*func)(struct swm_region *r, union arg *);
4664         union arg               args;
4665 } keyfuncs[KF_INVALID + 1] = {
4666         /* name                 function        argument */
4667         { "bar_toggle",         bar_toggle,     {0} },
4668         { "button2",            pressbutton,    {2} },
4669         { "cycle_layout",       cycle_layout,   {0} },
4670         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
4671         { "float_toggle",       floating_toggle,{0} },
4672         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
4673         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
4674         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
4675         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
4676         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
4677         { "iconify",            iconify,        {0} },
4678         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
4679         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
4680         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
4681         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
4682         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
4683         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
4684         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
4685         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
4686         { "mvws_1",             send_to_ws,     {.id = 0} },
4687         { "mvws_2",             send_to_ws,     {.id = 1} },
4688         { "mvws_3",             send_to_ws,     {.id = 2} },
4689         { "mvws_4",             send_to_ws,     {.id = 3} },
4690         { "mvws_5",             send_to_ws,     {.id = 4} },
4691         { "mvws_6",             send_to_ws,     {.id = 5} },
4692         { "mvws_7",             send_to_ws,     {.id = 6} },
4693         { "mvws_8",             send_to_ws,     {.id = 7} },
4694         { "mvws_9",             send_to_ws,     {.id = 8} },
4695         { "mvws_10",            send_to_ws,     {.id = 9} },
4696         { "mvws_11",            send_to_ws,     {.id = 10} },
4697         { "mvws_12",            send_to_ws,     {.id = 11} },
4698         { "mvws_13",            send_to_ws,     {.id = 12} },
4699         { "mvws_14",            send_to_ws,     {.id = 13} },
4700         { "mvws_15",            send_to_ws,     {.id = 14} },
4701         { "mvws_16",            send_to_ws,     {.id = 15} },
4702         { "mvws_17",            send_to_ws,     {.id = 16} },
4703         { "mvws_18",            send_to_ws,     {.id = 17} },
4704         { "mvws_19",            send_to_ws,     {.id = 18} },
4705         { "mvws_20",            send_to_ws,     {.id = 19} },
4706         { "mvws_21",            send_to_ws,     {.id = 20} },
4707         { "mvws_22",            send_to_ws,     {.id = 21} },
4708         { "name_workspace",     name_workspace, {0} },
4709         { "quit",               quit,           {0} },
4710         { "raise_toggle",       raise_toggle,   {0} },
4711         { "restart",            restart,        {0} },
4712         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
4713         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
4714         { "search_win",         search_win,     {0} },
4715         { "search_workspace",   search_workspace,       {0} },
4716         { "spawn_custom",       NULL,           {0} },
4717         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
4718         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
4719         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
4720         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
4721         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
4722         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
4723         { "uniconify",          uniconify,      {0} },
4724         { "version",            version,        {0} },
4725         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
4726         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
4727         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
4728         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
4729         { "ws_1",               switchws,       {.id = 0} },
4730         { "ws_2",               switchws,       {.id = 1} },
4731         { "ws_3",               switchws,       {.id = 2} },
4732         { "ws_4",               switchws,       {.id = 3} },
4733         { "ws_5",               switchws,       {.id = 4} },
4734         { "ws_6",               switchws,       {.id = 5} },
4735         { "ws_7",               switchws,       {.id = 6} },
4736         { "ws_8",               switchws,       {.id = 7} },
4737         { "ws_9",               switchws,       {.id = 8} },
4738         { "ws_10",              switchws,       {.id = 9} },
4739         { "ws_11",              switchws,       {.id = 10} },
4740         { "ws_12",              switchws,       {.id = 11} },
4741         { "ws_13",              switchws,       {.id = 12} },
4742         { "ws_14",              switchws,       {.id = 13} },
4743         { "ws_15",              switchws,       {.id = 14} },
4744         { "ws_16",              switchws,       {.id = 15} },
4745         { "ws_17",              switchws,       {.id = 16} },
4746         { "ws_18",              switchws,       {.id = 17} },
4747         { "ws_19",              switchws,       {.id = 18} },
4748         { "ws_20",              switchws,       {.id = 19} },
4749         { "ws_21",              switchws,       {.id = 20} },
4750         { "ws_22",              switchws,       {.id = 21} },
4751         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
4752         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
4753         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
4754         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
4755         { "ws_prior",           priorws,        {0} },
4756         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
4757         { "invalid key func",   NULL,           {0} },
4758 };
4759 struct key {
4760         RB_ENTRY(key)           entry;
4761         unsigned int            mod;
4762         KeySym                  keysym;
4763         enum keyfuncid          funcid;
4764         char                    *spawn_name;
4765 };
4766 RB_HEAD(key_tree, key);
4767
4768 int
4769 key_cmp(struct key *kp1, struct key *kp2)
4770 {
4771         if (kp1->keysym < kp2->keysym)
4772                 return (-1);
4773         if (kp1->keysym > kp2->keysym)
4774                 return (1);
4775
4776         if (kp1->mod < kp2->mod)
4777                 return (-1);
4778         if (kp1->mod > kp2->mod)
4779                 return (1);
4780
4781         return (0);
4782 }
4783
4784 RB_GENERATE(key_tree, key, entry, key_cmp);
4785 struct key_tree                 keys;
4786
4787 /* mouse */
4788 enum { client_click, root_click };
4789 struct button {
4790         unsigned int            action;
4791         unsigned int            mask;
4792         unsigned int            button;
4793         void                    (*func)(struct ws_win *, union arg *);
4794         union arg               args;
4795 } buttons[] = {
4796           /* action     key             mouse button    func    args */
4797         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
4798         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
4799         { client_click, MODKEY,         Button1,        move,   {0} },
4800 };
4801
4802 void
4803 update_modkey(unsigned int mod)
4804 {
4805         int                     i;
4806         struct key              *kp;
4807
4808         mod_key = mod;
4809         RB_FOREACH(kp, key_tree, &keys)
4810                 if (kp->mod & ShiftMask)
4811                         kp->mod = mod | ShiftMask;
4812                 else
4813                         kp->mod = mod;
4814
4815         for (i = 0; i < LENGTH(buttons); i++)
4816                 if (buttons[i].mask & ShiftMask)
4817                         buttons[i].mask = mod | ShiftMask;
4818                 else
4819                         buttons[i].mask = mod;
4820 }
4821
4822 /* spawn */
4823 struct spawn_prog {
4824         TAILQ_ENTRY(spawn_prog) entry;
4825         char                    *name;
4826         int                     argc;
4827         char                    **argv;
4828 };
4829 TAILQ_HEAD(spawn_list, spawn_prog);
4830 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
4831
4832 int
4833 spawn_expand(struct swm_region *r, union arg *args, char *spawn_name,
4834     char ***ret_args)
4835 {
4836         struct spawn_prog       *prog = NULL;
4837         int                     i;
4838         char                    *ap, **real_args;
4839
4840         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
4841
4842         /* find program */
4843         TAILQ_FOREACH(prog, &spawns, entry) {
4844                 if (!strcasecmp(spawn_name, prog->name))
4845                         break;
4846         }
4847         if (prog == NULL) {
4848                 warnx("spawn_custom: program %s not found", spawn_name);
4849                 return (-1);
4850         }
4851
4852         /* make room for expanded args */
4853         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
4854                 err(1, "spawn_custom: calloc real_args");
4855
4856         /* expand spawn_args into real_args */
4857         for (i = 0; i < prog->argc; i++) {
4858                 ap = prog->argv[i];
4859                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
4860                 if (!strcasecmp(ap, "$bar_border")) {
4861                         if ((real_args[i] =
4862                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
4863                             == NULL)
4864                                 err(1,  "spawn_custom border color");
4865                 } else if (!strcasecmp(ap, "$bar_color")) {
4866                         if ((real_args[i] =
4867                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
4868                             == NULL)
4869                                 err(1, "spawn_custom bar color");
4870                 } else if (!strcasecmp(ap, "$bar_font")) {
4871                         if ((real_args[i] = strdup(bar_fonts))
4872                             == NULL)
4873                                 err(1, "spawn_custom bar fonts");
4874                 } else if (!strcasecmp(ap, "$bar_font_color")) {
4875                         if ((real_args[i] =
4876                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
4877                             == NULL)
4878                                 err(1, "spawn_custom color font");
4879                 } else if (!strcasecmp(ap, "$color_focus")) {
4880                         if ((real_args[i] =
4881                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
4882                             == NULL)
4883                                 err(1, "spawn_custom color focus");
4884                 } else if (!strcasecmp(ap, "$color_unfocus")) {
4885                         if ((real_args[i] =
4886                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
4887                             == NULL)
4888                                 err(1, "spawn_custom color unfocus");
4889                 } else {
4890                         /* no match --> copy as is */
4891                         if ((real_args[i] = strdup(ap)) == NULL)
4892                                 err(1, "spawn_custom strdup(ap)");
4893                 }
4894                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
4895                     real_args[i]);
4896         }
4897
4898 #ifdef SWM_DEBUG
4899         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
4900         for (i = 0; i < prog->argc; i++)
4901                 DNPRINTF(SWM_D_SPAWN, "\"%s\" ", real_args[i]);
4902         DNPRINTF(SWM_D_SPAWN, "\n");
4903 #endif
4904         *ret_args = real_args;
4905         return (prog->argc);
4906 }
4907
4908 void
4909 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
4910 {
4911         union arg               a;
4912         char                    **real_args;
4913         int                     spawn_argc, i;
4914
4915         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4916                 return;
4917         a.argv = real_args;
4918         if (fork() == 0)
4919                 spawn(r->ws->idx, &a, 1);
4920
4921         for (i = 0; i < spawn_argc; i++)
4922                 free(real_args[i]);
4923         free(real_args);
4924 }
4925
4926 void
4927 spawn_select(struct swm_region *r, union arg *args, char *spawn_name, int *pid)
4928 {
4929         union arg               a;
4930         char                    **real_args;
4931         int                     i, spawn_argc;
4932
4933         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
4934                 return;
4935         a.argv = real_args;
4936
4937         if (pipe(select_list_pipe) == -1)
4938                 err(1, "pipe error");
4939         if (pipe(select_resp_pipe) == -1)
4940                 err(1, "pipe error");
4941
4942         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
4943                 err(1, "could not disable SIGPIPE");
4944         switch (*pid = fork()) {
4945         case -1:
4946                 err(1, "cannot fork");
4947                 break;
4948         case 0: /* child */
4949                 if (dup2(select_list_pipe[0], 0) == -1)
4950                         err(1, "dup2");
4951                 if (dup2(select_resp_pipe[1], 1) == -1)
4952                         err(1, "dup2");
4953                 close(select_list_pipe[1]);
4954                 close(select_resp_pipe[0]);
4955                 spawn(r->ws->idx, &a, 0);
4956                 break;
4957         default: /* parent */
4958                 close(select_list_pipe[0]);
4959                 close(select_resp_pipe[1]);
4960                 break;
4961         }
4962
4963         for (i = 0; i < spawn_argc; i++)
4964                 free(real_args[i]);
4965         free(real_args);
4966 }
4967
4968 void
4969 spawn_insert(char *name, char *args)
4970 {
4971         char                    *arg, *cp, *ptr;
4972         struct spawn_prog       *sp;
4973
4974         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
4975
4976         if ((sp = calloc(1, sizeof *sp)) == NULL)
4977                 err(1, "spawn_insert: malloc");
4978         if ((sp->name = strdup(name)) == NULL)
4979                 err(1, "spawn_insert: strdup");
4980
4981         /* convert the arguments to an argument list */
4982         if ((ptr = cp = strdup(args)) == NULL)
4983                 err(1, "spawn_insert: strdup");
4984         while ((arg = strsep(&ptr, " \t")) != NULL) {
4985                 /* empty field; skip it */
4986                 if (*arg == '\0')
4987                         continue;
4988
4989                 sp->argc++;
4990                 if ((sp->argv = realloc(sp->argv, sp->argc *
4991                     sizeof *sp->argv)) == NULL)
4992                         err(1, "spawn_insert: realloc");
4993                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
4994                         err(1, "spawn_insert: strdup");
4995         }
4996         free(cp);
4997
4998         TAILQ_INSERT_TAIL(&spawns, sp, entry);
4999         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
5000 }
5001
5002 void
5003 spawn_remove(struct spawn_prog *sp)
5004 {
5005         int                     i;
5006
5007         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
5008
5009         TAILQ_REMOVE(&spawns, sp, entry);
5010         for (i = 0; i < sp->argc; i++)
5011                 free(sp->argv[i]);
5012         free(sp->argv);
5013         free(sp->name);
5014         free(sp);
5015
5016         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
5017 }
5018
5019 void
5020 spawn_replace(struct spawn_prog *sp, char *name, char *args)
5021 {
5022         DNPRINTF(SWM_D_SPAWN, "spawn_replace: %s [%s]\n", sp->name, name);
5023
5024         spawn_remove(sp);
5025         spawn_insert(name, args);
5026
5027         DNPRINTF(SWM_D_SPAWN, "spawn_replace: leave\n");
5028 }
5029
5030 void
5031 setspawn(char *name, char *args)
5032 {
5033         struct spawn_prog       *sp;
5034
5035         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
5036
5037         if (name == NULL)
5038                 return;
5039
5040         TAILQ_FOREACH(sp, &spawns, entry) {
5041                 if (!strcmp(sp->name, name)) {
5042                         if (*args == '\0')
5043                                 spawn_remove(sp);
5044                         else
5045                                 spawn_replace(sp, name, args);
5046                         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5047                         return;
5048                 }
5049         }
5050         if (*args == '\0') {
5051                 warnx("error: setspawn: cannot find program: %s", name);
5052                 return;
5053         }
5054
5055         spawn_insert(name, args);
5056         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
5057 }
5058
5059 int
5060 setconfspawn(char *selector, char *value, int flags)
5061 {
5062         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
5063
5064         setspawn(selector, value);
5065
5066         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
5067         return (0);
5068 }
5069
5070 void
5071 setup_spawn(void)
5072 {
5073         setconfspawn("term",            "xterm",                0);
5074         setconfspawn("spawn_term",      "xterm",                0);
5075         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
5076         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
5077         setconfspawn("lock",            "xlock",                0);
5078         setconfspawn("initscr",         "initscreen.sh",        0);
5079         setconfspawn("menu",            "dmenu_run"
5080                                         " -fn $bar_font"
5081                                         " -nb $bar_color"
5082                                         " -nf $bar_font_color"
5083                                         " -sb $bar_border"
5084                                         " -sf $bar_color",      0);
5085         setconfspawn("search",          "dmenu"
5086                                         " -i"
5087                                         " -fn $bar_font"
5088                                         " -nb $bar_color"
5089                                         " -nf $bar_font_color"
5090                                         " -sb $bar_border"
5091                                         " -sf $bar_color",      0);
5092         setconfspawn("name_workspace",  "dmenu"
5093                                         " -p Workspace"
5094                                         " -fn $bar_font"
5095                                         " -nb $bar_color"
5096                                         " -nf $bar_font_color"
5097                                         " -sb $bar_border"
5098                                         " -sf $bar_color",      0);
5099 }
5100
5101 /* key bindings */
5102 #define SWM_MODNAME_SIZE        32
5103 #define SWM_KEY_WS              "\n+ \t"
5104 int
5105 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
5106 {
5107         char                    *cp, *name;
5108         KeySym                  uks;
5109         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
5110         if (mod == NULL || ks == NULL) {
5111                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
5112                 return (1);
5113         }
5114         if (keystr == NULL || strlen(keystr) == 0) {
5115                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
5116                 return (1);
5117         }
5118         cp = keystr;
5119         *ks = NoSymbol;
5120         *mod = 0;
5121         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
5122                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
5123                 if (cp)
5124                         cp += (long)strspn(cp, SWM_KEY_WS);
5125                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
5126                         *mod |= currmod;
5127                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
5128                         *mod |= Mod1Mask;
5129                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
5130                         *mod += Mod2Mask;
5131                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
5132                         *mod |= Mod3Mask;
5133                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
5134                         *mod |= Mod4Mask;
5135                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
5136                         *mod |= ShiftMask;
5137                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
5138                         *mod |= ControlMask;
5139                 else {
5140                         *ks = XStringToKeysym(name);
5141                         XConvertCase(*ks, ks, &uks);
5142                         if (ks == NoSymbol) {
5143                                 DNPRINTF(SWM_D_KEY,
5144                                     "parsekeys: invalid key %s\n",
5145                                     name);
5146                                 return (1);
5147                         }
5148                 }
5149         }
5150         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
5151         return (0);
5152 }
5153
5154 char *
5155 strdupsafe(char *str)
5156 {
5157         if (str == NULL)
5158                 return (NULL);
5159         else
5160                 return (strdup(str));
5161 }
5162
5163 void
5164 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
5165 {
5166         struct key              *kp;
5167
5168         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
5169             keyfuncs[kfid].name, spawn_name);
5170
5171         if ((kp = malloc(sizeof *kp)) == NULL)
5172                 err(1, "key_insert: malloc");
5173
5174         kp->mod = mod;
5175         kp->keysym = ks;
5176         kp->funcid = kfid;
5177         kp->spawn_name = strdupsafe(spawn_name);
5178         RB_INSERT(key_tree, &keys, kp);
5179
5180         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
5181 }
5182
5183 struct key *
5184 key_lookup(unsigned int mod, KeySym ks)
5185 {
5186         struct key              kp;
5187
5188         kp.keysym = ks;
5189         kp.mod = mod;
5190
5191         return (RB_FIND(key_tree, &keys, &kp));
5192 }
5193
5194 void
5195 key_remove(struct key *kp)
5196 {
5197         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
5198
5199         RB_REMOVE(key_tree, &keys, kp);
5200         free(kp->spawn_name);
5201         free(kp);
5202
5203         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
5204 }
5205
5206 void
5207 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
5208     char *spawn_name)
5209 {
5210         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
5211             spawn_name);
5212
5213         key_remove(kp);
5214         key_insert(mod, ks, kfid, spawn_name);
5215
5216         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
5217 }
5218
5219 void
5220 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
5221     char *spawn_name)
5222 {
5223         struct key              *kp;
5224
5225         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
5226             keyfuncs[kfid].name, spawn_name);
5227
5228         if ((kp = key_lookup(mod, ks)) != NULL) {
5229                 if (kfid == KF_INVALID)
5230                         key_remove(kp);
5231                 else
5232                         key_replace(kp, mod, ks, kfid, spawn_name);
5233                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5234                 return;
5235         }
5236         if (kfid == KF_INVALID) {
5237                 warnx("error: setkeybinding: cannot find mod/key combination");
5238                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5239                 return;
5240         }
5241
5242         key_insert(mod, ks, kfid, spawn_name);
5243         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
5244 }
5245
5246 int
5247 setconfbinding(char *selector, char *value, int flags)
5248 {
5249         enum keyfuncid          kfid;
5250         unsigned int            mod;
5251         KeySym                  ks;
5252         struct spawn_prog       *sp;
5253         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
5254         if (selector == NULL) {
5255                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
5256                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5257                         kfid = KF_INVALID;
5258                         setkeybinding(mod, ks, kfid, NULL);
5259                         return (0);
5260                 } else
5261                         return (1);
5262         }
5263         /* search by key function name */
5264         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
5265                 if (strncasecmp(selector, keyfuncs[kfid].name,
5266                     SWM_FUNCNAME_LEN) == 0) {
5267                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5268                             selector);
5269                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5270                                 setkeybinding(mod, ks, kfid, NULL);
5271                                 return (0);
5272                         } else
5273                                 return (1);
5274                 }
5275         }
5276         /* search by custom spawn name */
5277         TAILQ_FOREACH(sp, &spawns, entry) {
5278                 if (strcasecmp(selector, sp->name) == 0) {
5279                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
5280                             selector);
5281                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
5282                                 setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
5283                                     sp->name);
5284                                 return (0);
5285                         } else
5286                                 return (1);
5287                 }
5288         }
5289         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
5290         return (1);
5291 }
5292
5293 void
5294 setup_keys(void)
5295 {
5296         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
5297         setkeybinding(MODKEY|ShiftMask, XK_backslash,   KF_FLIP_LAYOUT, NULL);
5298         setkeybinding(MODKEY|ShiftMask, XK_space,       KF_STACK_RESET, NULL);
5299         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
5300         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
5301         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
5302         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
5303         setkeybinding(MODKEY|ShiftMask, XK_comma,       KF_STACK_INC,   NULL);
5304         setkeybinding(MODKEY|ShiftMask, XK_period,      KF_STACK_DEC,   NULL);
5305         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
5306         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
5307         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
5308         setkeybinding(MODKEY|ShiftMask, XK_j,           KF_SWAP_NEXT,   NULL);
5309         setkeybinding(MODKEY|ShiftMask, XK_k,           KF_SWAP_PREV,   NULL);
5310         setkeybinding(MODKEY|ShiftMask, XK_Return,      KF_SPAWN_CUSTOM,"term");
5311         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
5312         setkeybinding(MODKEY|ShiftMask, XK_q,           KF_QUIT,        NULL);
5313         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
5314         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
5315         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
5316         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
5317         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
5318         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
5319         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
5320         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
5321         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
5322         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
5323         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
5324         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
5325         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
5326         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
5327         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
5328         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
5329         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
5330         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
5331         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
5332         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
5333         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
5334         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
5335         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
5336         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
5337         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
5338         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
5339         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
5340         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
5341         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
5342         setkeybinding(MODKEY|ShiftMask, XK_Right,       KF_SCREEN_NEXT, NULL);
5343         setkeybinding(MODKEY|ShiftMask, XK_Left,        KF_SCREEN_PREV, NULL);
5344         setkeybinding(MODKEY|ShiftMask, XK_1,           KF_MVWS_1,      NULL);
5345         setkeybinding(MODKEY|ShiftMask, XK_2,           KF_MVWS_2,      NULL);
5346         setkeybinding(MODKEY|ShiftMask, XK_3,           KF_MVWS_3,      NULL);
5347         setkeybinding(MODKEY|ShiftMask, XK_4,           KF_MVWS_4,      NULL);
5348         setkeybinding(MODKEY|ShiftMask, XK_5,           KF_MVWS_5,      NULL);
5349         setkeybinding(MODKEY|ShiftMask, XK_6,           KF_MVWS_6,      NULL);
5350         setkeybinding(MODKEY|ShiftMask, XK_7,           KF_MVWS_7,      NULL);
5351         setkeybinding(MODKEY|ShiftMask, XK_8,           KF_MVWS_8,      NULL);
5352         setkeybinding(MODKEY|ShiftMask, XK_9,           KF_MVWS_9,      NULL);
5353         setkeybinding(MODKEY|ShiftMask, XK_0,           KF_MVWS_10,     NULL);
5354         setkeybinding(MODKEY|ShiftMask, XK_F1,          KF_MVWS_11,     NULL);
5355         setkeybinding(MODKEY|ShiftMask, XK_F2,          KF_MVWS_12,     NULL);
5356         setkeybinding(MODKEY|ShiftMask, XK_F3,          KF_MVWS_13,     NULL);
5357         setkeybinding(MODKEY|ShiftMask, XK_F4,          KF_MVWS_14,     NULL);
5358         setkeybinding(MODKEY|ShiftMask, XK_F5,          KF_MVWS_15,     NULL);
5359         setkeybinding(MODKEY|ShiftMask, XK_F6,          KF_MVWS_16,     NULL);
5360         setkeybinding(MODKEY|ShiftMask, XK_F7,          KF_MVWS_17,     NULL);
5361         setkeybinding(MODKEY|ShiftMask, XK_F8,          KF_MVWS_18,     NULL);
5362         setkeybinding(MODKEY|ShiftMask, XK_F9,          KF_MVWS_19,     NULL);
5363         setkeybinding(MODKEY|ShiftMask, XK_F10,         KF_MVWS_20,     NULL);
5364         setkeybinding(MODKEY|ShiftMask, XK_F11,         KF_MVWS_21,     NULL);
5365         setkeybinding(MODKEY|ShiftMask, XK_F12,         KF_MVWS_22,     NULL);
5366         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
5367         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
5368         setkeybinding(MODKEY|ShiftMask, XK_Tab,         KF_FOCUS_PREV,  NULL);
5369         setkeybinding(MODKEY|ShiftMask, XK_x,           KF_WIND_KILL,   NULL);
5370         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
5371         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
5372         setkeybinding(MODKEY|ShiftMask, XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
5373         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
5374         setkeybinding(MODKEY|ShiftMask, XK_v,           KF_VERSION,     NULL);
5375         setkeybinding(MODKEY|ShiftMask, XK_Delete,      KF_SPAWN_CUSTOM,"lock");
5376         setkeybinding(MODKEY|ShiftMask, XK_i,           KF_SPAWN_CUSTOM,"initscr");
5377         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
5378         setkeybinding(MODKEY|ShiftMask, XK_w,           KF_UNICONIFY,   NULL);
5379         setkeybinding(MODKEY|ShiftMask, XK_r,           KF_RAISE_TOGGLE,NULL);
5380         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
5381         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
5382         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
5383         setkeybinding(MODKEY|ShiftMask, XK_equal,       KF_HEIGHT_GROW,NULL);
5384         setkeybinding(MODKEY|ShiftMask, XK_minus,       KF_HEIGHT_SHRINK,NULL);
5385         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
5386         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
5387         setkeybinding(MODKEY|ShiftMask, XK_bracketleft, KF_MOVE_UP,     NULL);
5388         setkeybinding(MODKEY|ShiftMask, XK_bracketright,KF_MOVE_DOWN,NULL);
5389         setkeybinding(MODKEY|ShiftMask, XK_slash,       KF_NAME_WORKSPACE,NULL);
5390         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
5391         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
5392 #ifdef SWM_DEBUG
5393         setkeybinding(MODKEY|ShiftMask, XK_d,           KF_DUMPWINS,    NULL);
5394 #endif
5395 }
5396
5397 void
5398 clear_keys(void)
5399 {
5400         struct key              *kp;
5401
5402         while (RB_EMPTY(&keys) == 0) {
5403                 kp = RB_ROOT(&keys);
5404                 key_remove(kp);
5405         }
5406 }
5407
5408 int
5409 setkeymapping(char *selector, char *value, int flags)
5410 {
5411         char                    keymapping_file[PATH_MAX];
5412         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
5413         if (value[0] == '~')
5414                 snprintf(keymapping_file, sizeof keymapping_file, "%s/%s",
5415                     pwd->pw_dir, &value[1]);
5416         else
5417                 strlcpy(keymapping_file, value, sizeof keymapping_file);
5418         clear_keys();
5419         /* load new key bindings; if it fails, revert to default bindings */
5420         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
5421                 clear_keys();
5422                 setup_keys();
5423         }
5424         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
5425         return (0);
5426 }
5427
5428 void
5429 updatenumlockmask(void)
5430 {
5431         unsigned int                            i, j;
5432         xcb_get_modifier_mapping_reply_t        *modmap_r;
5433         xcb_keycode_t                           *modmap, kc;
5434
5435         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
5436         numlockmask = 0;
5437
5438         modmap_r = xcb_get_modifier_mapping_reply(conn,
5439             xcb_get_modifier_mapping(conn),
5440             NULL);
5441         if (modmap_r) {
5442                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
5443                 for (i = 0; i < 8; i++) {
5444                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
5445                                 kc = modmap[i * modmap_r->keycodes_per_modifier
5446                                     + j];
5447
5448                                 if (kc == *((xcb_keycode_t *)xcb_key_symbols_get_keycode(syms,
5449                                     XK_Num_Lock)))
5450                                         numlockmask = (1 << i);
5451                         }
5452                 }
5453                 free(modmap_r);
5454         }
5455 }
5456
5457 void
5458 grabkeys(void)
5459 {
5460         int                     num_screens;
5461         unsigned int            j, k;
5462         xcb_keycode_t           *code;
5463         unsigned int            modifiers[] =
5464             { 0, LockMask, numlockmask, numlockmask | LockMask };
5465         struct key              *kp;
5466
5467         DNPRINTF(SWM_D_MISC, "grabkeys\n");
5468         updatenumlockmask();
5469
5470         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
5471         for (k = 0; k < num_screens; k++) {
5472                 if (TAILQ_EMPTY(&screens[k].rl))
5473                         continue;
5474                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
5475                         XCB_MOD_MASK_ANY);
5476                 RB_FOREACH(kp, key_tree, &keys) {
5477                         if ((code = xcb_key_symbols_get_keycode(syms,
5478                                         kp->keysym)))
5479                                 for (j = 0; j < LENGTH(modifiers); j++)
5480                                         xcb_grab_key(conn, True,
5481                                             screens[k].root,
5482                                             kp->mod | modifiers[j],
5483                                             *code, XCB_GRAB_MODE_ASYNC,
5484                                             XCB_GRAB_MODE_ASYNC);
5485                 }
5486         }
5487 }
5488
5489 void
5490 grabbuttons(struct ws_win *win, int focused)
5491 {
5492         unsigned int            i, j;
5493         unsigned int            modifiers[] =
5494             { 0, LockMask, numlockmask, numlockmask|LockMask };
5495
5496         updatenumlockmask();
5497         xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, win->id,
5498             XCB_BUTTON_MASK_ANY);
5499         if (focused) {
5500                 for (i = 0; i < LENGTH(buttons); i++)
5501                         if (buttons[i].action == client_click)
5502                                 for (j = 0; j < LENGTH(modifiers); j++)
5503                                         xcb_grab_button(conn, False, win->id,
5504                                             BUTTONMASK,
5505                                             XCB_GRAB_MODE_ASYNC,
5506                                             XCB_GRAB_MODE_SYNC,
5507                                             XCB_WINDOW_NONE,
5508                                             XCB_CURSOR_NONE,
5509                                             buttons[i].button,
5510                                             buttons[i].mask);
5511         } else
5512                 xcb_grab_button(conn, False, win->id, BUTTONMASK,
5513                     XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC, XCB_WINDOW_NONE,
5514                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_ANY, XCB_BUTTON_MASK_ANY);
5515 }
5516
5517 const char *quirkname[] = {
5518         "NONE",         /* config string for "no value" */
5519         "FLOAT",
5520         "TRANSSZ",
5521         "ANYWHERE",
5522         "XTERM_FONTADJ",
5523         "FULLSCREEN",
5524         "FOCUSPREV",
5525 };
5526
5527 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
5528 #define SWM_Q_WS                "\n|+ \t"
5529 int
5530 parsequirks(char *qstr, unsigned long *quirk)
5531 {
5532         char                    *cp, *name;
5533         int                     i;
5534
5535         if (quirk == NULL)
5536                 return (1);
5537
5538         cp = qstr;
5539         *quirk = 0;
5540         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
5541                 if (cp)
5542                         cp += (long)strspn(cp, SWM_Q_WS);
5543                 for (i = 0; i < LENGTH(quirkname); i++) {
5544                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
5545                                 DNPRINTF(SWM_D_QUIRK,
5546                                     "parsequirks: %s\n", name);
5547                                 if (i == 0) {
5548                                         *quirk = 0;
5549                                         return (0);
5550                                 }
5551                                 *quirk |= 1 << (i-1);
5552                                 break;
5553                         }
5554                 }
5555                 if (i >= LENGTH(quirkname)) {
5556                         DNPRINTF(SWM_D_QUIRK,
5557                             "parsequirks: invalid quirk [%s]\n", name);
5558                         return (1);
5559                 }
5560         }
5561         return (0);
5562 }
5563
5564 void
5565 quirk_insert(const char *class, const char *name, unsigned long quirk)
5566 {
5567         struct quirk            *qp;
5568
5569         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
5570             quirk);
5571
5572         if ((qp = malloc(sizeof *qp)) == NULL)
5573                 err(1, "quirk_insert: malloc");
5574         if ((qp->class = strdup(class)) == NULL)
5575                 err(1, "quirk_insert: strdup");
5576         if ((qp->name = strdup(name)) == NULL)
5577                 err(1, "quirk_insert: strdup");
5578
5579         qp->quirk = quirk;
5580         TAILQ_INSERT_TAIL(&quirks, qp, entry);
5581
5582         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
5583 }
5584
5585 void
5586 quirk_remove(struct quirk *qp)
5587 {
5588         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
5589             qp->name, qp->quirk);
5590
5591         TAILQ_REMOVE(&quirks, qp, entry);
5592         free(qp->class);
5593         free(qp->name);
5594         free(qp);
5595
5596         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
5597 }
5598
5599 void
5600 quirk_replace(struct quirk *qp, const char *class, const char *name,
5601     unsigned long quirk)
5602 {
5603         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
5604             qp->name, qp->quirk);
5605
5606         quirk_remove(qp);
5607         quirk_insert(class, name, quirk);
5608
5609         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
5610 }
5611
5612 void
5613 setquirk(const char *class, const char *name, unsigned long quirk)
5614 {
5615         struct quirk            *qp;
5616
5617         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
5618            quirk);
5619
5620         TAILQ_FOREACH(qp, &quirks, entry) {
5621                 if (!strcmp(qp->class, class) && !strcmp(qp->name, name)) {
5622                         if (!quirk)
5623                                 quirk_remove(qp);
5624                         else
5625                                 quirk_replace(qp, class, name, quirk);
5626                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5627                         return;
5628                 }
5629         }
5630         if (!quirk) {
5631                 warnx("error: setquirk: cannot find class/name combination");
5632                 return;
5633         }
5634
5635         quirk_insert(class, name, quirk);
5636         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
5637 }
5638
5639 int
5640 setconfquirk(char *selector, char *value, int flags)
5641 {
5642         char                    *cp, *class, *name;
5643         int                     retval;
5644         unsigned long           quirks;
5645         if (selector == NULL)
5646                 return (0);
5647         if ((cp = strchr(selector, ':')) == NULL)
5648                 return (0);
5649         *cp = '\0';
5650         class = selector;
5651         name = cp + 1;
5652         if ((retval = parsequirks(value, &quirks)) == 0)
5653                 setquirk(class, name, quirks);
5654         return (retval);
5655 }
5656
5657 void
5658 setup_quirks(void)
5659 {
5660         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
5661         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
5662         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
5663         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
5664         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5665         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
5666         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5667         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5668         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5669         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
5670         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
5671         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
5672         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
5673 }
5674
5675 /* conf file stuff */
5676 #define SWM_CONF_FILE           "spectrwm.conf"
5677 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
5678
5679 enum {
5680         SWM_S_BAR_ACTION,
5681         SWM_S_BAR_AT_BOTTOM,
5682         SWM_S_BAR_BORDER_WIDTH,
5683         SWM_S_BAR_DELAY,
5684         SWM_S_BAR_ENABLED,
5685         SWM_S_BAR_FONT,
5686         SWM_S_BAR_FORMAT,
5687         SWM_S_BAR_JUSTIFY,
5688         SWM_S_BORDER_WIDTH,
5689         SWM_S_CLOCK_ENABLED,
5690         SWM_S_CLOCK_FORMAT,
5691         SWM_S_CYCLE_EMPTY,
5692         SWM_S_CYCLE_VISIBLE,
5693         SWM_S_DIALOG_RATIO,
5694         SWM_S_DISABLE_BORDER,
5695         SWM_S_FOCUS_CLOSE,
5696         SWM_S_FOCUS_CLOSE_WRAP,
5697         SWM_S_FOCUS_DEFAULT,
5698         SWM_S_FOCUS_MODE,
5699         SWM_S_SPAWN_ORDER,
5700         SWM_S_SPAWN_TERM,
5701         SWM_S_SS_APP,
5702         SWM_S_SS_ENABLED,
5703         SWM_S_STACK_ENABLED,
5704         SWM_S_TERM_WIDTH,
5705         SWM_S_TITLE_CLASS_ENABLED,
5706         SWM_S_TITLE_NAME_ENABLED,
5707         SWM_S_URGENT_ENABLED,
5708         SWM_S_VERBOSE_LAYOUT,
5709         SWM_S_WINDOW_NAME_ENABLED,
5710         SWM_S_WORKSPACE_LIMIT
5711 };
5712
5713 int
5714 setconfvalue(char *selector, char *value, int flags)
5715 {
5716         int     i;
5717         char    *b;
5718
5719         switch (flags) {
5720         case SWM_S_BAR_ACTION:
5721                 free(bar_argv[0]);
5722                 if ((bar_argv[0] = strdup(value)) == NULL)
5723                         err(1, "setconfvalue: bar_action");
5724                 break;
5725         case SWM_S_BAR_AT_BOTTOM:
5726                 bar_at_bottom = atoi(value);
5727                 break;
5728         case SWM_S_BAR_BORDER_WIDTH:
5729                 bar_border_width = atoi(value);
5730                 if (bar_border_width < 0)
5731                         bar_border_width = 0;
5732                 break;
5733         case SWM_S_BAR_DELAY:
5734                 bar_delay = atoi(value);
5735                 break;
5736         case SWM_S_BAR_ENABLED:
5737                 bar_enabled = atoi(value);
5738                 break;
5739         case SWM_S_BAR_FONT:
5740                 b = bar_fonts;
5741                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
5742                         err(1, "setconfvalue: asprintf: failed to allocate "
5743                                 "memory for bar_fonts.");
5744
5745                 free(b);
5746                 break;
5747         case SWM_S_BAR_FORMAT:
5748                 free(bar_format);
5749                 if ((bar_format = strdup(value)) == NULL)
5750                         err(1, "setconfvalue: bar_format");
5751                 break;
5752         case SWM_S_BAR_JUSTIFY:
5753                 if (!strcmp(value, "left"))
5754                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
5755                 else if (!strcmp(value, "center"))
5756                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
5757                 else if (!strcmp(value, "right"))
5758                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
5759                 else
5760                         errx(1, "invalid bar_justify");
5761                 break;
5762         case SWM_S_BORDER_WIDTH:
5763                 border_width = atoi(value);
5764                 if (border_width < 0)
5765                         border_width = 0;
5766                 break;
5767         case SWM_S_CLOCK_ENABLED:
5768                 clock_enabled = atoi(value);
5769                 break;
5770         case SWM_S_CLOCK_FORMAT:
5771 #ifndef SWM_DENY_CLOCK_FORMAT
5772                 free(clock_format);
5773                 if ((clock_format = strdup(value)) == NULL)
5774                         err(1, "setconfvalue: clock_format");
5775 #endif
5776                 break;
5777         case SWM_S_CYCLE_EMPTY:
5778                 cycle_empty = atoi(value);
5779                 break;
5780         case SWM_S_CYCLE_VISIBLE:
5781                 cycle_visible = atoi(value);
5782                 break;
5783         case SWM_S_DIALOG_RATIO:
5784                 dialog_ratio = atof(value);
5785                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
5786                         dialog_ratio = .6;
5787                 break;
5788         case SWM_S_DISABLE_BORDER:
5789                 disable_border = atoi(value);
5790                 break;
5791         case SWM_S_FOCUS_CLOSE:
5792                 if (!strcmp(value, "first"))
5793                         focus_close = SWM_STACK_BOTTOM;
5794                 else if (!strcmp(value, "last"))
5795                         focus_close = SWM_STACK_TOP;
5796                 else if (!strcmp(value, "next"))
5797                         focus_close = SWM_STACK_ABOVE;
5798                 else if (!strcmp(value, "previous"))
5799                         focus_close = SWM_STACK_BELOW;
5800                 else
5801                         errx(1, "focus_close");
5802                 break;
5803         case SWM_S_FOCUS_CLOSE_WRAP:
5804                 focus_close_wrap = atoi(value);
5805                 break;
5806         case SWM_S_FOCUS_DEFAULT:
5807                 if (!strcmp(value, "last"))
5808                         focus_default = SWM_STACK_TOP;
5809                 else if (!strcmp(value, "first"))
5810                         focus_default = SWM_STACK_BOTTOM;
5811                 else
5812                         errx(1, "focus_default");
5813                 break;
5814         case SWM_S_FOCUS_MODE:
5815                 if (!strcmp(value, "default"))
5816                         focus_mode = SWM_FOCUS_DEFAULT;
5817                 else if (!strcmp(value, "follow_cursor"))
5818                         focus_mode = SWM_FOCUS_FOLLOW;
5819                 else if (!strcmp(value, "synergy"))
5820                         focus_mode = SWM_FOCUS_SYNERGY;
5821                 else
5822                         errx(1, "focus_mode");
5823                 break;
5824         case SWM_S_SPAWN_ORDER:
5825                 if (!strcmp(value, "first"))
5826                         spawn_position = SWM_STACK_BOTTOM;
5827                 else if (!strcmp(value, "last"))
5828                         spawn_position = SWM_STACK_TOP;
5829                 else if (!strcmp(value, "next"))
5830                         spawn_position = SWM_STACK_ABOVE;
5831                 else if (!strcmp(value, "previous"))
5832                         spawn_position = SWM_STACK_BELOW;
5833                 else
5834                         errx(1, "spawn_position");
5835                 break;
5836         case SWM_S_SPAWN_TERM:
5837                 setconfspawn("term", value, 0);
5838                 setconfspawn("spawn_term", value, 0);
5839                 break;
5840         case SWM_S_SS_APP:
5841                 break;
5842         case SWM_S_SS_ENABLED:
5843                 ss_enabled = atoi(value);
5844                 break;
5845         case SWM_S_STACK_ENABLED:
5846                 stack_enabled = atoi(value);
5847                 break;
5848         case SWM_S_TERM_WIDTH:
5849                 term_width = atoi(value);
5850                 if (term_width < 0)
5851                         term_width = 0;
5852                 break;
5853         case SWM_S_TITLE_CLASS_ENABLED:
5854                 title_class_enabled = atoi(value);
5855                 break;
5856         case SWM_S_TITLE_NAME_ENABLED:
5857                 title_name_enabled = atoi(value);
5858                 break;
5859         case SWM_S_URGENT_ENABLED:
5860                 urgent_enabled = atoi(value);
5861                 break;
5862         case SWM_S_VERBOSE_LAYOUT:
5863                 verbose_layout = atoi(value);
5864                 for (i = 0; layouts[i].l_stack != NULL; i++) {
5865                         if (verbose_layout)
5866                                 layouts[i].l_string = fancy_stacker;
5867                         else
5868                                 layouts[i].l_string = plain_stacker;
5869                 }
5870                 break;
5871         case SWM_S_WINDOW_NAME_ENABLED:
5872                 window_name_enabled = atoi(value);
5873                 break;
5874         case SWM_S_WORKSPACE_LIMIT:
5875                 workspace_limit = atoi(value);
5876                 if (workspace_limit > SWM_WS_MAX)
5877                         workspace_limit = SWM_WS_MAX;
5878                 else if (workspace_limit < 1)
5879                         workspace_limit = 1;
5880                 break;
5881         default:
5882                 return (1);
5883         }
5884         return (0);
5885 }
5886
5887 int
5888 setconfmodkey(char *selector, char *value, int flags)
5889 {
5890         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
5891                 update_modkey(Mod1Mask);
5892         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
5893                 update_modkey(Mod2Mask);
5894         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
5895                 update_modkey(Mod3Mask);
5896         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
5897                 update_modkey(Mod4Mask);
5898         else
5899                 return (1);
5900         return (0);
5901 }
5902
5903 int
5904 setconfcolor(char *selector, char *value, int flags)
5905 {
5906         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
5907         return (0);
5908 }
5909
5910 int
5911 setconfregion(char *selector, char *value, int flags)
5912 {
5913         custom_region(value);
5914         return (0);
5915 }
5916
5917 int
5918 setautorun(char *selector, char *value, int flags)
5919 {
5920         int                     ws_id;
5921         char                    s[1024];
5922         char                    *ap, *sp = s;
5923         union arg               a;
5924         int                     argc = 0;
5925         pid_t                   pid;
5926         struct pid_e            *p;
5927
5928         if (getenv("SWM_STARTED"))
5929                 return (0);
5930
5931         bzero(s, sizeof s);
5932         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
5933                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
5934         ws_id--;
5935         if (ws_id < 0 || ws_id >= workspace_limit)
5936                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
5937
5938         /*
5939          * This is a little intricate
5940          *
5941          * If the pid already exists we simply reuse it because it means it was
5942          * used before AND not claimed by manage_window.  We get away with
5943          * altering it in the parent after INSERT because this can not be a race
5944          */
5945         a.argv = NULL;
5946         while ((ap = strsep(&sp, " \t")) != NULL) {
5947                 if (*ap == '\0')
5948                         continue;
5949                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
5950                 argc++;
5951                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
5952                         err(1, "setautorun: realloc");
5953                 a.argv[argc - 1] = ap;
5954         }
5955
5956         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
5957                 err(1, "setautorun: realloc");
5958         a.argv[argc] = NULL;
5959
5960         if ((pid = fork()) == 0) {
5961                 spawn(ws_id, &a, 1);
5962                 /* NOTREACHED */
5963                 _exit(1);
5964         }
5965         free(a.argv);
5966
5967         /* parent */
5968         p = find_pid(pid);
5969         if (p == NULL) {
5970                 p = calloc(1, sizeof *p);
5971                 if (p == NULL)
5972                         return (1);
5973                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
5974         }
5975
5976         p->pid = pid;
5977         p->ws = ws_id;
5978
5979         return (0);
5980 }
5981
5982 int
5983 setlayout(char *selector, char *value, int flags)
5984 {
5985         int                     ws_id, i, x, mg, ma, si, raise, f = 0;
5986         int                     st = SWM_V_STACK, num_screens;
5987         char                    s[1024];
5988         struct workspace        *ws;
5989
5990         if (getenv("SWM_STARTED"))
5991                 return (0);
5992
5993         bzero(s, sizeof s);
5994         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
5995             &ws_id, &mg, &ma, &si, &raise, s) != 6)
5996                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
5997                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
5998                     "<type>'");
5999         ws_id--;
6000         if (ws_id < 0 || ws_id >= workspace_limit)
6001                 errx(1, "layout: invalid workspace %d", ws_id + 1);
6002
6003         if (!strcasecmp(s, "vertical"))
6004                 st = SWM_V_STACK;
6005         else if (!strcasecmp(s, "vertical_flip")) {
6006                 st = SWM_V_STACK;
6007                 f = 1;
6008         } else if (!strcasecmp(s, "horizontal"))
6009                 st = SWM_H_STACK;
6010         else if (!strcasecmp(s, "horizontal_flip")) {
6011                 st = SWM_H_STACK;
6012                 f = 1;
6013         } else if (!strcasecmp(s, "fullscreen"))
6014                 st = SWM_MAX_STACK;
6015         else
6016                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
6017                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
6018                     "<type>'");
6019
6020         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6021         for (i = 0; i < num_screens; i++) {
6022                 ws = (struct workspace *)&screens[i].ws;
6023                 ws[ws_id].cur_layout = &layouts[st];
6024
6025                 ws[ws_id].always_raise = raise;
6026                 if (st == SWM_MAX_STACK)
6027                         continue;
6028
6029                 /* master grow */
6030                 for (x = 0; x < abs(mg); x++) {
6031                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6032                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
6033                             SWM_ARG_ID_MASTERSHRINK);
6034                         stack();
6035                 }
6036                 /* master add */
6037                 for (x = 0; x < abs(ma); x++) {
6038                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6039                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
6040                             SWM_ARG_ID_MASTERDEL);
6041                         stack();
6042                 }
6043                 /* stack inc */
6044                 for (x = 0; x < abs(si); x++) {
6045                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6046                             si >= 0 ?  SWM_ARG_ID_STACKINC :
6047                             SWM_ARG_ID_STACKDEC);
6048                         stack();
6049                 }
6050                 /* Apply flip */
6051                 if (f) {
6052                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
6053                             SWM_ARG_ID_FLIPLAYOUT);
6054                         stack();
6055                 }
6056         }
6057
6058         return (0);
6059 }
6060
6061 /* config options */
6062 struct config_option {
6063         char                    *optname;
6064         int                     (*func)(char*, char*, int);
6065         int                     funcflags;
6066 };
6067 struct config_option configopt[] = {
6068         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
6069         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
6070         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
6071         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
6072         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
6073         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
6074         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
6075         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
6076         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
6077         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
6078         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
6079         { "keyboard_mapping",           setkeymapping,  0 },
6080         { "bind",                       setconfbinding, 0 },
6081         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
6082         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
6083         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
6084         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
6085         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
6086         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
6087         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
6088         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
6089         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
6090         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
6091         { "modkey",                     setconfmodkey,  0 },
6092         { "program",                    setconfspawn,   0 },
6093         { "quirk",                      setconfquirk,   0 },
6094         { "region",                     setconfregion,  0 },
6095         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
6096         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
6097         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
6098         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
6099         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
6100         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
6101         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
6102         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
6103         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
6104         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
6105         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
6106         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
6107         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
6108         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
6109         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
6110         { "autorun",                    setautorun,     0 },
6111         { "layout",                     setlayout,      0 },
6112 };
6113
6114
6115 int
6116 conf_load(char *filename, int keymapping)
6117 {
6118         FILE                    *config;
6119         char                    *line, *cp, *optsub, *optval;
6120         size_t                  linelen, lineno = 0;
6121         int                     wordlen, i, optind;
6122         struct config_option    *opt;
6123
6124         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
6125
6126         if (filename == NULL) {
6127                 warnx("conf_load: no filename");
6128                 return (1);
6129         }
6130         if ((config = fopen(filename, "r")) == NULL) {
6131                 warn("conf_load: fopen: %s", filename);
6132                 return (1);
6133         }
6134
6135         while (!feof(config)) {
6136                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
6137                     == NULL) {
6138                         if (ferror(config))
6139                                 err(1, "%s", filename);
6140                         else
6141                                 continue;
6142                 }
6143                 cp = line;
6144                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6145                 if (cp[0] == '\0') {
6146                         /* empty line */
6147                         free(line);
6148                         continue;
6149                 }
6150                 /* get config option */
6151                 wordlen = strcspn(cp, "=[ \t\n");
6152                 if (wordlen == 0) {
6153                         warnx("%s: line %zd: no option found",
6154                             filename, lineno);
6155                         goto out;
6156                 }
6157                 optind = -1;
6158                 for (i = 0; i < LENGTH(configopt); i++) {
6159                         opt = &configopt[i];
6160                         if (!strncasecmp(cp, opt->optname, wordlen) &&
6161                             strlen(opt->optname) == wordlen) {
6162                                 optind = i;
6163                                 break;
6164                         }
6165                 }
6166                 if (optind == -1) {
6167                         warnx("%s: line %zd: unknown option %.*s",
6168                             filename, lineno, wordlen, cp);
6169                         goto out;
6170                 }
6171                 if (keymapping && strcmp(opt->optname, "bind")) {
6172                         warnx("%s: line %zd: invalid option %.*s",
6173                             filename, lineno, wordlen, cp);
6174                         goto out;
6175                 }
6176                 cp += wordlen;
6177                 cp += strspn(cp, " \t\n"); /* eat whitespace */
6178                 /* get [selector] if any */
6179                 optsub = NULL;
6180                 if (*cp == '[') {
6181                         cp++;
6182                         wordlen = strcspn(cp, "]");
6183                         if (*cp != ']') {
6184                                 if (wordlen == 0) {
6185                                         warnx("%s: line %zd: syntax error",
6186                                             filename, lineno);
6187                                         goto out;
6188                                 }
6189
6190                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
6191                                     -1) {
6192                                         warnx("%s: line %zd: unable to allocate"
6193                                             "memory for selector", filename,
6194                                             lineno);
6195                                         goto out;
6196                                 }
6197                         }
6198                         cp += wordlen;
6199                         cp += strspn(cp, "] \t\n"); /* eat trailing */
6200                 }
6201                 cp += strspn(cp, "= \t\n"); /* eat trailing */
6202                 /* get RHS value */
6203                 optval = strdup(cp);
6204                 /* call function to deal with it all */
6205                 if (configopt[optind].func(optsub, optval,
6206                     configopt[optind].funcflags) != 0)
6207                         errx(1, "%s: line %zd: invalid data for %s",
6208                             filename, lineno, configopt[optind].optname);
6209                 free(optval);
6210                 free(optsub);
6211                 free(line);
6212         }
6213
6214         fclose(config);
6215         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
6216
6217         return (0);
6218
6219 out:
6220         free(line);
6221         fclose(config);
6222         DNPRINTF(SWM_D_CONF, "conf_load: end with error.\n");
6223
6224         return (1);
6225 }
6226
6227 void
6228 set_child_transient(struct ws_win *win, xcb_window_t *trans)
6229 {
6230         struct ws_win           *parent, *w;
6231         struct swm_region       *r;
6232         struct workspace        *ws;
6233         xcb_icccm_wm_hints_t    wmh;
6234
6235         parent = find_window(win->transient);
6236         if (parent)
6237                 parent->child_trans = win;
6238         else {
6239                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
6240                     " for 0x%x trans 0x%x\n", win->id, win->transient);
6241
6242                 r = root_to_region(win->wa->root);
6243                 ws = r->ws;
6244                 /* parent doen't exist in our window list */
6245                 TAILQ_FOREACH(w, &ws->winlist, entry) {
6246                         if (xcb_icccm_get_wm_hints_reply(conn,
6247                             xcb_icccm_get_wm_hints(conn, w->id),
6248                             &wmh, NULL) != 1) {
6249                                 warnx("can't get hints for 0x%x", w->id);
6250                                 continue;
6251                         }
6252
6253                         if (win->hints.window_group != wmh.window_group)
6254                                 continue;
6255
6256                         w->child_trans = win;
6257                         win->transient = w->id;
6258                         *trans = w->id;
6259                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
6260                             "transient to 0x%x\n", win->transient);
6261                         break;
6262                 }
6263         }
6264 }
6265
6266 pid_t
6267 window_get_pid(xcb_window_t win)
6268 {
6269         pid_t                           ret = 0;
6270         const char                      *errstr;
6271         xcb_atom_t                      apid;
6272         xcb_get_property_cookie_t       pc;
6273         xcb_get_property_reply_t        *pr;
6274
6275         apid = get_atom_from_string("_NET_WM_PID");
6276         if (apid == XCB_ATOM_NONE)
6277                 goto tryharder;
6278
6279         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_CARDINAL, 0, 1);
6280         pr = xcb_get_property_reply(conn, pc, NULL);
6281         if (!pr)
6282                 goto tryharder;
6283         if (pr->type != XCB_ATOM_CARDINAL) {
6284                 free(pr);
6285                 goto tryharder;
6286         }
6287
6288         ret = *((pid_t *)xcb_get_property_value(pr));
6289         free(pr);
6290
6291         return (ret);
6292
6293 tryharder:
6294         apid = get_atom_from_string("_SWM_PID");
6295         pc = xcb_get_property(conn, False, win, apid, XCB_ATOM_STRING,
6296             0, SWM_PROPLEN);
6297         pr = xcb_get_property_reply(conn, pc, NULL);
6298         if (!pr)
6299                 return (0);
6300         if (pr->type != XCB_ATOM_STRING) {
6301                 free(pr);
6302                 return (0);
6303         }
6304
6305         ret = strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
6306         free(pr);
6307
6308         return (ret);
6309 }
6310
6311 struct ws_win *
6312 manage_window(xcb_window_t id)
6313 {
6314         xcb_window_t            trans = XCB_WINDOW_NONE;
6315         struct workspace        *ws;
6316         struct ws_win           *win, *ww;
6317         int                     i, ws_idx, border_me = 0;
6318         xcb_atom_t              ws_idx_atom = XCB_ATOM_NONE;
6319         char                    ws_idx_str[SWM_PROPLEN], *prop = NULL;
6320         size_t                  proplen;
6321         struct swm_region       *r;
6322         const char              *errstr;
6323         struct pid_e            *p;
6324         struct quirk            *qp;
6325         uint32_t                event_mask;
6326         xcb_atom_t              prot;
6327         xcb_get_property_reply_t        *gpr;
6328         xcb_icccm_get_wm_protocols_reply_t      wpr;
6329
6330         if ((win = find_window(id)) != NULL)
6331                 return (win);   /* already being managed */
6332
6333         /* see if we are on the unmanaged list */
6334         if ((win = find_unmanaged_window(id)) != NULL) {
6335                 DNPRINTF(SWM_D_MISC, "manage_window: previously unmanaged "
6336                     "window: 0x%x\n", win->id);
6337                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6338                 if (win->transient)
6339                         set_child_transient(win, &trans);
6340
6341                 if (trans && (ww = find_window(trans)))
6342                         TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
6343                 else if ((ww = win->ws->focus) &&
6344                     spawn_position == SWM_STACK_ABOVE)
6345                         TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus,
6346                             win, entry);
6347                 else if (ww && spawn_position == SWM_STACK_BELOW)
6348                         TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6349                 else switch (spawn_position) {
6350                 default:
6351                 case SWM_STACK_TOP:
6352                 case SWM_STACK_ABOVE:
6353                         TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6354                         break;
6355                 case SWM_STACK_BOTTOM:
6356                 case SWM_STACK_BELOW:
6357                         TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6358                 }
6359
6360                 ewmh_update_actions(win);
6361                 return (win);
6362         }
6363
6364         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
6365                 err(1, "manage_window: calloc: failed to allocate memory for "
6366                     "new window");
6367
6368         win->id = id;
6369         win->bordered = 0;
6370
6371         /* see if we need to override the workspace */
6372         p = find_pid(window_get_pid(id));
6373
6374         /* Get all the window data in one shot */
6375         ws_idx_atom = get_atom_from_string("_SWM_WS");
6376         if (ws_idx_atom) {
6377                 gpr = xcb_get_property_reply(conn,
6378                         xcb_get_property(conn, False, id, ws_idx_atom,
6379                             XCB_ATOM_STRING, 0, SWM_PROPLEN),
6380                         NULL);
6381                 if (gpr) {
6382                         proplen = xcb_get_property_value_length(gpr);
6383                         if (proplen > 0) {
6384                                 prop = malloc(proplen + 1);
6385                                 if (prop) {
6386                                         memcpy(prop,
6387                                             xcb_get_property_value(gpr),
6388                                             proplen);
6389                                         prop[proplen] = '\0';
6390                                 }
6391                         }
6392                         free(gpr);
6393                 }
6394         }
6395         win->wa = xcb_get_geometry_reply(conn,
6396             xcb_get_geometry(conn, id),
6397             NULL);
6398         xcb_icccm_get_wm_normal_hints_reply(conn,
6399             xcb_icccm_get_wm_normal_hints(conn, id),
6400             &win->sh, NULL);
6401         xcb_icccm_get_wm_hints_reply(conn,
6402             xcb_icccm_get_wm_hints(conn, id),
6403             &win->hints, NULL);
6404         xcb_icccm_get_wm_transient_for_reply(conn,
6405             xcb_icccm_get_wm_transient_for(conn, id),
6406             &trans, NULL);
6407         if (trans) {
6408                 win->transient = trans;
6409                 set_child_transient(win, &trans);
6410                 DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, "
6411                     "transient: 0x%x\n", win->id, win->transient);
6412         }
6413
6414         prot = get_atom_from_string("WM_PROTOCOLS");
6415
6416         /* get supported protocols */
6417         if (xcb_icccm_get_wm_protocols_reply(conn,
6418             xcb_icccm_get_wm_protocols(conn, id, prot),
6419             &wpr, NULL)) {
6420                 for (i = 0; i < wpr.atoms_len; i++) {
6421                         if (wpr.atoms[i] == takefocus)
6422                                 win->take_focus = 1;
6423                         if (wpr.atoms[i] == adelete)
6424                                 win->can_delete = 1;
6425                 }
6426                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
6427         }
6428
6429         win->iconic = get_iconic(win);
6430
6431         /*
6432          * Figure out where to put the window. If it was previously assigned to
6433          * a workspace (either by spawn() or manually moving), and isn't
6434          * transient, * put it in the same workspace
6435          */
6436         r = root_to_region(win->wa->root);
6437         if (p) {
6438                 ws = &r->s->ws[p->ws];
6439                 TAILQ_REMOVE(&pidlist, p, entry);
6440                 free(p);
6441                 p = NULL;
6442         } else if (prop && win->transient == 0) {
6443                 DNPRINTF(SWM_D_PROP, "manage_window: get _SWM_WS: %s\n", prop);
6444                 ws_idx = strtonum(prop, 0, workspace_limit - 1,
6445                     &errstr);
6446                 if (errstr) {
6447                         DNPRINTF(SWM_D_EVENT, "manage_window: window: #%s: %s",
6448                             errstr, prop);
6449                 }
6450                 ws = &r->s->ws[ws_idx];
6451         } else {
6452                 ws = r->ws;
6453                 /* this should launch transients in the same ws as parent */
6454                 if (id && trans)
6455                         if ((ww = find_window(trans)) != NULL)
6456                                 if (ws->r) {
6457                                         ws = ww->ws;
6458                                         if (ww->ws->r)
6459                                                 r = ww->ws->r;
6460                                         else
6461                                                 warnx("manage_window: fix this "
6462                                                     "bug mcbride");
6463                                         border_me = 1;
6464                                 }
6465         }
6466
6467         /* set up the window layout */
6468         win->id = id;
6469         win->ws = ws;
6470         win->s = r->s;  /* this never changes */
6471         if (trans && (ww = find_window(trans)))
6472                 TAILQ_INSERT_AFTER(&ws->winlist, ww, win, entry);
6473         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
6474                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
6475                     entry);
6476         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
6477                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
6478         else switch (spawn_position) {
6479         default:
6480         case SWM_STACK_TOP:
6481         case SWM_STACK_ABOVE:
6482                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
6483                 break;
6484         case SWM_STACK_BOTTOM:
6485         case SWM_STACK_BELOW:
6486                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
6487         }
6488
6489         /* ignore window border if there is one. */
6490         WIDTH(win) = win->wa->width;
6491         HEIGHT(win) = win->wa->height;
6492         X(win) = win->wa->x + win->wa->border_width;
6493         Y(win) = win->wa->y + win->wa->border_width;
6494         win->bordered = 0;
6495         win->g_floatvalid = 0;
6496         win->floatmaxed = 0;
6497         win->ewmh_flags = 0;
6498
6499         DNPRINTF(SWM_D_MISC, "manage_window: window: 0x%x, (x,y) w x h: "
6500             "(%d,%d) %d x %d, ws: %d\n", win->id, X(win), Y(win), WIDTH(win),
6501             HEIGHT(win), ws->idx);
6502
6503         constrain_window(win, r, 0);
6504
6505         /* Set window properties so we can remember this after reincarnation */
6506         if (ws_idx_atom && prop == NULL &&
6507             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) <
6508                 SWM_PROPLEN) {
6509                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
6510                     ws_idx_str);
6511                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
6512                     ws_idx_atom, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
6513                     ws_idx_str);
6514         }
6515         if (prop)
6516                 free(prop);
6517
6518         ewmh_autoquirk(win);
6519
6520         if (xcb_icccm_get_wm_class_reply(conn,
6521             xcb_icccm_get_wm_class(conn, win->id),
6522             &win->ch, NULL)) {
6523                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
6524                     win->ch.class_name, win->ch.instance_name);
6525
6526                 /* java is retarded so treat it special */
6527                 if (strstr(win->ch.instance_name, "sun-awt")) {
6528                         win->java = 1;
6529                         border_me = 1;
6530                 }
6531
6532                 TAILQ_FOREACH(qp, &quirks, entry) {
6533                         if (!strcmp(win->ch.class_name, qp->class) &&
6534                             !strcmp(win->ch.instance_name, qp->name)) {
6535                                 DNPRINTF(SWM_D_CLASS, "manage_window: found: "
6536                                     "class: %s, name: %s\n", win->ch.class_name,
6537                                     win->ch.instance_name);
6538                                 if (qp->quirk & SWM_Q_FLOAT) {
6539                                         win->floating = 1;
6540                                         border_me = 1;
6541                                 }
6542                                 win->quirks = qp->quirk;
6543                         }
6544                 }
6545         }
6546
6547         /* alter window position if quirky */
6548         if (win->quirks & SWM_Q_ANYWHERE) {
6549                 win->manual = 1; /* don't center the quirky windows */
6550                 if (bar_enabled && Y(win) < bar_height)
6551                         Y(win) = bar_height;
6552                 if (WIDTH(win) + X(win) > WIDTH(r))
6553                         X(win) = WIDTH(r) - WIDTH(win) - 2;
6554                 border_me = 1;
6555         }
6556
6557         /* Reset font sizes (the bruteforce way; no default keybinding). */
6558         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
6559                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6560                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
6561                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
6562                         fake_keypress(win, XK_KP_Add, ShiftMask);
6563         }
6564
6565         ewmh_get_win_state(win);
6566         ewmh_update_actions(win);
6567         ewmh_update_win_state(win, None, _NET_WM_STATE_REMOVE);
6568
6569         /* border me */
6570         if (border_me) {
6571                 win->bordered = 1;
6572                 X(win) -= border_width;
6573                 Y(win) -= border_width;
6574                 update_window(win);
6575         }
6576
6577         event_mask = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE |
6578             XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_STRUCTURE_NOTIFY;
6579
6580         xcb_change_window_attributes(conn, id, XCB_CW_EVENT_MASK, &event_mask);
6581
6582         /* floaters need to be mapped if they are in the current workspace */
6583         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
6584                 map_window_raised(win->id);
6585
6586         return (win);
6587 }
6588
6589 void
6590 free_window(struct ws_win *win)
6591 {
6592         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
6593
6594         if (win == NULL)
6595                 return;
6596
6597         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
6598
6599         if (win->wa)
6600                 free(win->wa);
6601
6602         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
6603
6604         kill_refs(win);
6605
6606         /* paint memory */
6607         memset(win, 0xff, sizeof *win); /* XXX kill later */
6608
6609         free(win);
6610         DNPRINTF(SWM_D_MISC, "free_window: done\n");
6611 }
6612
6613 void
6614 unmanage_window(struct ws_win *win)
6615 {
6616         struct ws_win           *parent;
6617         xcb_screen_t            *screen;
6618
6619         if (win == NULL)
6620                 return;
6621
6622         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
6623
6624         if (win->transient) {
6625                 parent = find_window(win->transient);
6626                 if (parent)
6627                         parent->child_trans = NULL;
6628         }
6629
6630         /* focus on root just in case */
6631         screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
6632         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT,
6633             screen->root, XCB_CURRENT_TIME);
6634
6635         focus_prev(win);
6636
6637         TAILQ_REMOVE(&win->ws->winlist, win, entry);
6638         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
6639 }
6640
6641 void
6642 focus_magic(struct ws_win *win)
6643 {
6644         DNPRINTF(SWM_D_FOCUS, "focus_magic: window: 0x%x\n", WINID(win));
6645
6646         if (win == NULL) {
6647                 /* if there are no windows clear the status-bar */
6648                 bar_update();
6649                 return;
6650         }
6651
6652         if (win->child_trans) {
6653                 /* win = parent & has a transient so focus on that */
6654                 if (win->java) {
6655                         focus_win(win->child_trans);
6656                         if (win->child_trans->take_focus)
6657                                 client_msg(win, takefocus);
6658                 } else {
6659                         /* make sure transient hasn't disappeared */
6660                         if (validate_win(win->child_trans) == 0) {
6661                                 focus_win(win->child_trans);
6662                                 if (win->child_trans->take_focus)
6663                                         client_msg(win->child_trans, takefocus);
6664                         } else {
6665                                 win->child_trans = NULL;
6666                                 focus_win(win);
6667                                 if (win->take_focus)
6668                                         client_msg(win, takefocus);
6669                         }
6670                 }
6671         } else {
6672                 /* regular focus */
6673                 focus_win(win);
6674                 if (win->take_focus)
6675                         client_msg(win, takefocus);
6676         }
6677 }
6678
6679 void
6680 expose(xcb_expose_event_t *e)
6681 {
6682         int                     i, num_screens;
6683         struct swm_region       *r;
6684
6685         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
6686
6687         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
6688         for (i = 0; i < num_screens; i++)
6689                 TAILQ_FOREACH(r, &screens[i].rl, entry)
6690                         if (e->window == WINID(r->bar))
6691                                 bar_update();
6692
6693         xcb_flush(conn);
6694 }
6695
6696 void
6697 keypress(xcb_key_press_event_t *e)
6698 {
6699         KeySym                  keysym;
6700         struct key              *kp;
6701
6702         keysym = XkbKeycodeToKeysym(display, (KeyCode)e->detail, 0, 0);
6703
6704         DNPRINTF(SWM_D_EVENT, "keypress: %u\n", e->detail);
6705
6706         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
6707                 return;
6708
6709         if (kp->funcid == KF_SPAWN_CUSTOM)
6710                 spawn_custom(root_to_region(e->root),
6711                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
6712         else if (keyfuncs[kp->funcid].func)
6713                 keyfuncs[kp->funcid].func(root_to_region(e->root),
6714                     &(keyfuncs[kp->funcid].args));
6715 }
6716
6717 void
6718 buttonpress(xcb_button_press_event_t *e)
6719 {
6720         struct ws_win           *win;
6721         int                     i, action;
6722
6723         DNPRINTF(SWM_D_EVENT, "buttonpress: window 0x%x, detail: %u\n",
6724             e->event, e->detail);
6725
6726         if ((win = find_window(e->event)) == NULL)
6727                 return;
6728
6729         focus_magic(win);
6730         action = client_click;
6731
6732         for (i = 0; i < LENGTH(buttons); i++)
6733                 if (action == buttons[i].action && buttons[i].func &&
6734                     buttons[i].button == e->detail &&
6735                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state))
6736                         buttons[i].func(win, &buttons[i].args);
6737
6738         xcb_flush(conn);
6739 }
6740
6741 void
6742 configurerequest(xcb_configure_request_event_t *e)
6743 {
6744         struct ws_win           *win;
6745         int                     new = 0, i = 0;
6746         uint16_t                mask = 0;
6747         uint32_t                wc[7] = {0};
6748
6749         if ((win = find_window(e->window)) == NULL)
6750                 if ((win = find_unmanaged_window(e->window)) == NULL)
6751                         new = 1;
6752
6753         if (new) {
6754                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
6755                         mask |= XCB_CONFIG_WINDOW_X;
6756                         wc[i++] = e->x;
6757                 }
6758                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
6759                         mask |= XCB_CONFIG_WINDOW_Y;
6760                         wc[i++] = e->y;
6761                 }
6762                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
6763                         mask |= XCB_CONFIG_WINDOW_WIDTH;
6764                         wc[i++] = e->width;
6765                 }
6766                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
6767                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
6768                         wc[i++] = e->height;
6769                 }
6770                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
6771                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
6772                         wc[i++] = e->border_width;
6773                 }
6774                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
6775                         mask |= XCB_CONFIG_WINDOW_SIBLING;
6776                         wc[i++] = e->sibling;
6777                 }
6778                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
6779                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
6780                         wc[i++] = e->stack_mode;
6781                 }
6782
6783                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: 0x%x, "
6784                     "new: %s, (x,y) w x h: (%d,%d) %d x %d\n", e->window,
6785                     YESNO(new), wc[0], wc[1], wc[2], wc[3]);
6786
6787                 xcb_configure_window(conn, e->window, mask, wc);
6788         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
6789             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
6790                 win->g_float.x = e->x - X(win->ws->r);
6791                 win->g_float.y = e->y - Y(win->ws->r);
6792                 win->g_float.w = e->width;
6793                 win->g_float.h = e->height;
6794                 win->g_floatvalid = 1;
6795
6796                 if (win->floating) {
6797                         win->g = win->g_float;
6798                         win->g.x += X(win->ws->r);
6799                         win->g.y += Y(win->ws->r);
6800                         update_window(win);
6801                 } else {
6802                         config_win(win, e);
6803                 }
6804         } else {
6805                 config_win(win, e);
6806         }
6807
6808         xcb_flush(conn);
6809 }
6810
6811 void
6812 configurenotify(xcb_configure_notify_event_t *e)
6813 {
6814         struct ws_win           *win;
6815
6816         DNPRINTF(SWM_D_EVENT, "configurenotify: window: 0x%x\n",
6817             e->window);
6818
6819         win = find_window(e->window);
6820         if (win) {
6821                 xcb_icccm_get_wm_normal_hints_reply(conn,
6822                     xcb_icccm_get_wm_normal_hints(conn, win->id),
6823                     &win->sh, NULL);
6824                 adjust_font(win);
6825                 if (font_adjusted)
6826                         stack();
6827         }
6828 }
6829
6830 void
6831 destroynotify(xcb_destroy_notify_event_t *e)
6832 {
6833         struct ws_win           *win;
6834
6835         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
6836
6837         if ((win = find_window(e->window)) == NULL) {
6838                 if ((win = find_unmanaged_window(e->window)) == NULL)
6839                         return;
6840                 free_window(win);
6841                 return;
6842         }
6843
6844         /* make sure we focus on something */
6845         win->floating = 0;
6846
6847         unmanage_window(win);
6848         stack();
6849         free_window(win);
6850 }
6851
6852 void
6853 enternotify(xcb_enter_notify_event_t *e)
6854 {
6855         struct ws_win           *win;
6856         DNPRINTF(SWM_D_FOCUS, "enternotify: window: 0x%x, mode: %d, detail: "
6857             "%d, root: 0x%x, subwindow: 0x%x, same_screen_focus: %s, "
6858             "state: %d\n", e->event, e->mode, e->detail, e->root,
6859             e->child, YESNO(e->same_screen_focus), e->state);
6860
6861         if (e->mode != XCB_NOTIFY_MODE_NORMAL) {
6862                 DNPRINTF(SWM_D_EVENT, "skip enternotify: generated by "
6863                     "cursor grab.\n");
6864                 return;
6865         }
6866
6867         switch (focus_mode) {
6868         case SWM_FOCUS_DEFAULT:
6869                 break;
6870         case SWM_FOCUS_FOLLOW:
6871                 break;
6872         case SWM_FOCUS_SYNERGY:
6873                 break;
6874         }
6875
6876         if ((win = find_window(e->event)) == NULL) {
6877                 DNPRINTF(SWM_D_EVENT, "skip enternotify: window is NULL\n");
6878                 return;
6879         }
6880
6881         focus_magic(win);
6882
6883         xcb_flush(conn);
6884 }
6885
6886 /* lets us use one switch statement for arbitrary mode/detail combinations */
6887 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
6888
6889 void
6890 mapnotify(xcb_map_notify_event_t *e)
6891 {
6892         struct ws_win           *win;
6893
6894         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
6895
6896         win = manage_window(e->window);
6897         if (win)
6898                 set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
6899
6900         /*
6901          * focus_win can only set input focus on a mapped window.
6902          * make sure the window really has focus since it is just being mapped.
6903          */
6904         if (win->ws->focus == win)
6905                 focus_win(win);
6906 }
6907
6908 void
6909 mappingnotify(xcb_mapping_notify_event_t *e)
6910 {
6911         xcb_refresh_keyboard_mapping(syms, e);
6912
6913         if (e->request == XCB_MAPPING_KEYBOARD)
6914                 grabkeys();
6915 }
6916
6917 void
6918 maprequest(xcb_map_request_event_t *e)
6919 {
6920         struct ws_win           *win;
6921         struct swm_region       *r;
6922         xcb_get_window_attributes_reply_t *war;
6923
6924         DNPRINTF(SWM_D_EVENT, "maprequest: window: 0x%x\n",
6925             e->window);
6926
6927         war = xcb_get_window_attributes_reply(conn,
6928             xcb_get_window_attributes(conn, e->window),
6929             NULL);
6930         if (!war)
6931                 return;
6932         if (war->override_redirect) {
6933                 free(war);
6934                 return;
6935         }
6936         free(war);
6937
6938         win = manage_window(e->window);
6939         if (win == NULL) {
6940                 return; /* can't happen */
6941         }
6942
6943         stack();
6944
6945         /* make new win focused */
6946         r = root_to_region(win->wa->root);
6947         if (win->ws == r->ws)
6948                 focus_magic(win);
6949 }
6950
6951 void
6952 propertynotify(xcb_property_notify_event_t *e)
6953 {
6954         struct ws_win           *win;
6955 #ifdef SWM_DEBUG
6956         char                            *name;
6957         size_t                          len;
6958         xcb_get_atom_name_reply_t       *r;
6959
6960         r = xcb_get_atom_name_reply(conn,
6961             xcb_get_atom_name(conn, e->atom),
6962             NULL);
6963         if (r) {
6964                 len = xcb_get_atom_name_name_length(r);
6965                 if (len > 0) {
6966                         name = malloc(len + 1);
6967                         if (name) {
6968                                 memcpy(name, xcb_get_atom_name_name(r), len);
6969                                 name[len] = '\0';
6970
6971                                 DNPRINTF(SWM_D_EVENT,
6972                                     "propertynotify: window: 0x%x, atom: %s\n",
6973                                     e->window, name);
6974                                 free(name);
6975                         }
6976                 }
6977                 free(r);
6978         }
6979 #endif
6980
6981         win = find_window(e->window);
6982         if (win == NULL)
6983                 return;
6984
6985         if (e->state == XCB_PROPERTY_DELETE && e->atom == a_swm_iconic) {
6986                 update_iconic(win, 0);
6987                 map_window_raised(win->id);
6988                 stack();
6989                 focus_win(win);
6990                 return;
6991         }
6992
6993         switch (e->atom) {
6994         case XCB_ATOM_WM_CLASS:
6995         case XCB_ATOM_WM_NAME:
6996                 bar_update();
6997                 break;
6998         default:
6999                 break;
7000         }
7001 }
7002
7003 void
7004 unmapnotify(xcb_unmap_notify_event_t *e)
7005 {
7006         struct ws_win           *win;
7007
7008         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
7009
7010         /* determine if we need to help unmanage this window */
7011         win = find_window(e->window);
7012         if (win == NULL)
7013                 return;
7014
7015         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL) {
7016                 unmanage_window(win);
7017                 stack();
7018
7019                 /* resend unmap because we ated it */
7020                 xcb_unmap_window(conn, e->window);
7021                 xcb_flush(conn);
7022         }
7023 }
7024
7025 /*void
7026 visibilitynotify(xcb_visibility_notify_event_t *e)
7027 {
7028         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
7029             e->window);
7030 }*/
7031
7032 void
7033 clientmessage(xcb_client_message_event_t *e)
7034 {
7035         struct ws_win *win;
7036
7037         win = find_window(e->window);
7038         if (win == NULL)
7039                 return;
7040         }
7041
7042         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, type: %u\n",
7043             e->window, e->type);
7044
7045         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
7046                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
7047                 focus_win(win);
7048         }
7049         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
7050                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
7051                 if (win->can_delete)
7052                         client_msg(win, adelete);
7053                 else
7054                         xcb_kill_client(conn, win->id);
7055         }
7056         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
7057                 DNPRINTF(SWM_D_EVENT,
7058                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
7059                 if (win->floating) {
7060                         if (e->data.data32[0] & (1<<8)) /* x */
7061                                 X(win) = e->data.data32[1];
7062                         if (e->data.data32[0] & (1<<9)) /* y */
7063                                 Y(win) = e->data.data32[2];
7064                         if (e->data.data32[0] & (1<<10)) /* width */
7065                                 WIDTH(win) = e->data.data32[3];
7066                         if (e->data.data32[0] & (1<<11)) /* height */
7067                                 HEIGHT(win) = e->data.data32[4];
7068
7069                         update_window(win);
7070                 }
7071                 else {
7072                         /* TODO: Change stack sizes */
7073                         /* notify no change was made. */
7074                         config_win(win, NULL);
7075                 }
7076         }
7077         if (e->type == ewmh[_NET_WM_STATE].atom) {
7078                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
7079                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
7080                 if (e->data.data32[2])
7081                         ewmh_update_win_state(win, e->data.data32[2],
7082                             e->data.data32[0]);
7083
7084                 stack();
7085         }
7086
7087         xcb_flush(conn);
7088 }
7089
7090 int
7091 xerror_start(Display *d, XErrorEvent *ee)
7092 {
7093         other_wm = 1;
7094         return (-1);
7095 }
7096
7097 int
7098 xerror(Display *d, XErrorEvent *ee)
7099 {
7100         /* warnx("error: %p %p", display, ee); */
7101         return (-1);
7102 }
7103
7104 int
7105 active_wm(void)
7106 {
7107         other_wm = 0;
7108         xerrorxlib = XSetErrorHandler(xerror_start);
7109
7110         /* this causes an error if some other window manager is running */
7111         XSelectInput(display, DefaultRootWindow(display),
7112             SubstructureRedirectMask);
7113         do_sync();
7114         if (other_wm)
7115                 return (1);
7116
7117         XSetErrorHandler(xerror);
7118         do_sync();
7119         return (0);
7120 }
7121
7122 void
7123 new_region(struct swm_screen *s, int x, int y, int w, int h)
7124 {
7125         struct swm_region       *r, *n;
7126         struct workspace        *ws = NULL;
7127         int                     i;
7128
7129         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
7130              s->idx, w, h, x, y);
7131
7132         /* remove any conflicting regions */
7133         n = TAILQ_FIRST(&s->rl);
7134         while (n) {
7135                 r = n;
7136                 n = TAILQ_NEXT(r, entry);
7137                 if (X(r) < (x + w) &&
7138                     (X(r) + WIDTH(r)) > x &&
7139                     Y(r) < (y + h) &&
7140                     (Y(r) + HEIGHT(r)) > y) {
7141                         if (r->ws->r != NULL)
7142                                 r->ws->old_r = r->ws->r;
7143                         r->ws->r = NULL;
7144                         bar_cleanup(r);
7145                         TAILQ_REMOVE(&s->rl, r, entry);
7146                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
7147                 }
7148         }
7149
7150         /* search old regions for one to reuse */
7151
7152         /* size + location match */
7153         TAILQ_FOREACH(r, &s->orl, entry)
7154                 if (X(r) == x && Y(r) == y &&
7155                     HEIGHT(r) == h && WIDTH(r) == w)
7156                         break;
7157
7158         /* size match */
7159         TAILQ_FOREACH(r, &s->orl, entry)
7160                 if (HEIGHT(r) == h && WIDTH(r) == w)
7161                         break;
7162
7163         if (r != NULL) {
7164                 TAILQ_REMOVE(&s->orl, r, entry);
7165                 /* try to use old region's workspace */
7166                 if (r->ws->r == NULL)
7167                         ws = r->ws;
7168         } else
7169                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
7170                         err(1, "new_region: calloc: failed to allocate memory "
7171                             "for screen");
7172
7173         /* if we don't have a workspace already, find one */
7174         if (ws == NULL) {
7175                 for (i = 0; i < workspace_limit; i++)
7176                         if (s->ws[i].r == NULL) {
7177                                 ws = &s->ws[i];
7178                                 break;
7179                         }
7180         }
7181
7182         if (ws == NULL)
7183                 errx(1, "new_region: no free workspaces");
7184
7185         X(r) = x;
7186         Y(r) = y;
7187         WIDTH(r) = w;
7188         HEIGHT(r) = h;
7189         r->s = s;
7190         r->ws = ws;
7191         r->ws_prior = NULL;
7192         ws->r = r;
7193         outputs++;
7194         TAILQ_INSERT_TAIL(&s->rl, r, entry);
7195 }
7196
7197 void
7198 scan_xrandr(int i)
7199 {
7200 #ifdef SWM_XRR_HAS_CRTC
7201         int                                             c;
7202         int                                             ncrtc = 0;
7203 #endif /* SWM_XRR_HAS_CRTC */
7204         struct swm_region                               *r;
7205         int                                             num_screens;
7206         xcb_randr_get_screen_resources_current_cookie_t src;
7207         xcb_randr_get_screen_resources_current_reply_t  *srr;
7208         xcb_randr_get_crtc_info_cookie_t                cic;
7209         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
7210         xcb_randr_crtc_t                                *crtc;
7211         xcb_screen_t                                    *screen = get_screen(i);
7212
7213         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7214         if (i >= num_screens)
7215                 errx(1, "scan_xrandr: invalid screen");
7216
7217         /* remove any old regions */
7218         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
7219                 r->ws->old_r = r->ws->r = NULL;
7220                 bar_cleanup(r);
7221                 TAILQ_REMOVE(&screens[i].rl, r, entry);
7222                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
7223         }
7224         outputs = 0;
7225
7226         /* map virtual screens onto physical screens */
7227 #ifdef SWM_XRR_HAS_CRTC
7228         if (xrandr_support) {
7229                 src = xcb_randr_get_screen_resources_current(conn,
7230                     screens[i].root);
7231                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
7232                     NULL);
7233                 if (srr == NULL) {
7234                         new_region(&screens[i], 0, 0,
7235                             screen->width_in_pixels,
7236                             screen->height_in_pixels);
7237                         return;
7238                 } else
7239                         ncrtc = srr->num_crtcs;
7240                 for (c = 0; c < ncrtc; c++) {
7241                         crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
7242                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
7243                             XCB_CURRENT_TIME);
7244                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
7245                         if (cir == NULL)
7246                                 continue;
7247                         if (cir->num_outputs == 0) {
7248                                 free(cir);
7249                                 continue;
7250                         }
7251
7252                         if (cir->mode == 0)
7253                                 new_region(&screens[i], 0, 0,
7254                                     screen->width_in_pixels,
7255                                     screen->height_in_pixels);
7256                         else
7257                                 new_region(&screens[i],
7258                                     cir->x, cir->y, cir->width, cir->height);
7259                         free(cir);
7260                 }
7261                 free(srr);
7262         } else
7263 #endif /* SWM_XRR_HAS_CRTC */
7264         {
7265                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
7266                     screen->height_in_pixels);
7267         }
7268 }
7269
7270 void
7271 screenchange(xcb_randr_screen_change_notify_event_t *e)
7272 {
7273         struct swm_region               *r;
7274         int                             i, num_screens;
7275
7276         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
7277
7278         if (e->rotation & (XCB_RANDR_ROTATION_ROTATE_90
7279             | XCB_RANDR_ROTATION_ROTATE_270))
7280                 xcb_randr_set_screen_size(conn, e->root, e->height,
7281                     e->width, e->mheight, e->mwidth);
7282         else
7283                 xcb_randr_set_screen_size(conn, e->root, e->width,
7284                     e->height, e->mwidth, e->mheight);
7285
7286         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7287         /* silly event doesn't include the screen index */
7288         for (i = 0; i < num_screens; i++)
7289                 if (screens[i].root == e->root)
7290                         break;
7291         if (i >= num_screens)
7292                 errx(1, "screenchange: screen not found");
7293
7294         /* brute force for now, just re-enumerate the regions */
7295         scan_xrandr(i);
7296
7297         /* add bars to all regions */
7298         for (i = 0; i < num_screens; i++)
7299                 TAILQ_FOREACH(r, &screens[i].rl, entry)
7300                         bar_setup(r);
7301         stack();
7302 }
7303
7304 void
7305 grab_windows(void)
7306 {
7307         xcb_window_t            *wins   = NULL;
7308         int                     no;
7309         int                     i, j, num_screens;
7310         uint16_t                state, manage;
7311
7312         xcb_query_tree_cookie_t                 qtc;
7313         xcb_query_tree_reply_t                  *qtr;
7314         xcb_get_window_attributes_cookie_t      c;
7315         xcb_get_window_attributes_reply_t       *r;
7316         xcb_get_property_cookie_t               pc;
7317
7318         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7319         for (i = 0; i < num_screens; i++) {
7320                 qtc = xcb_query_tree(conn, screens[i].root);
7321                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
7322                 if (!qtr)
7323                         continue;
7324                 wins = xcb_query_tree_children(qtr);
7325                 no = xcb_query_tree_children_length(qtr);
7326                 /* attach windows to a region */
7327                 /* normal windows */
7328                 for (j = 0; j < no; j++) {
7329                         c = xcb_get_window_attributes(conn, wins[j]);
7330                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7331                         if (!r)
7332                                 continue;
7333                         if (r->override_redirect) {
7334                                 free(r);
7335                                 continue;
7336                         }
7337
7338                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7339                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7340                             &wins[j], NULL)) {
7341                                 free(r);
7342                                 continue;
7343                         }
7344
7345                         state = getstate(wins[j]);
7346                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7347                         if (r->map_state == XCB_MAP_STATE_VIEWABLE || manage)
7348                                 manage_window(wins[j]);
7349                         free(r);
7350                 }
7351                 /* transient windows */
7352                 for (j = 0; j < no; j++) {
7353                         c = xcb_get_window_attributes(conn, wins[j]);
7354                         r = xcb_get_window_attributes_reply(conn, c, NULL);
7355                         if (!r)
7356                                 continue;
7357                         if (r->override_redirect) {
7358                                 free(r);
7359                                 continue;
7360                         }
7361                         free(r);
7362
7363                         state = getstate(wins[j]);
7364                         manage = state == XCB_ICCCM_WM_STATE_ICONIC;
7365                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
7366                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
7367                             &wins[j], NULL) && manage)
7368                                 manage_window(wins[j]);
7369                 }
7370                 free(qtr);
7371         }
7372 }
7373
7374 void
7375 setup_screens(void)
7376 {
7377         int                     i, j, k, num_screens;
7378         struct workspace        *ws;
7379         uint32_t                gcv[1], wa[1];
7380         const xcb_query_extension_reply_t *qep;
7381         xcb_cursor_t                            cursor;
7382         xcb_font_t                              cursor_font;
7383         xcb_randr_query_version_cookie_t        c;
7384         xcb_randr_query_version_reply_t         *r;
7385
7386         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7387         if ((screens = calloc(num_screens,
7388              sizeof(struct swm_screen))) == NULL)
7389                 err(1, "setup_screens: calloc: failed to allocate memory for "
7390                     "screens");
7391
7392         /* initial Xrandr setup */
7393         xrandr_support = False;
7394         c = xcb_randr_query_version(conn, True, True);
7395         r = xcb_randr_query_version_reply(conn, c, NULL);
7396         if (r) {
7397                 if (r->major_version >= 1)
7398                         xrandr_support = True;
7399                 free(r);
7400         }
7401         qep = xcb_get_extension_data(conn, &xcb_randr_id);
7402         xrandr_eventbase = qep->first_event;
7403
7404         cursor_font = xcb_generate_id(conn);
7405         xcb_open_font(conn, cursor_font, strlen("cursor"), "cursor");
7406
7407         cursor = xcb_generate_id(conn);
7408         xcb_create_glyph_cursor(conn, cursor, cursor_font, cursor_font,
7409                 XC_left_ptr, XC_left_ptr + 1, 0, 0, 0, 0xffff, 0xffff, 0xffff);
7410         wa[0] = cursor;
7411
7412         /* map physical screens */
7413         for (i = 0; i < num_screens; i++) {
7414                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
7415                 screens[i].idx = i;
7416                 TAILQ_INIT(&screens[i].rl);
7417                 TAILQ_INIT(&screens[i].orl);
7418                 screens[i].root = RootWindow(display, i);
7419
7420                 /* set default colors */
7421                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
7422                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
7423                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
7424                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
7425                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
7426
7427                 /* create graphics context on screen */
7428                 screens[i].bar_gc = xcb_generate_id(conn);
7429                 gcv[0] = 0;
7430                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
7431                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
7432
7433                 /* set default cursor */
7434                 xcb_change_window_attributes(conn, screens[i].root,
7435                     XCB_CW_CURSOR, wa);
7436
7437                 /* init all workspaces */
7438                 /* XXX these should be dynamically allocated too */
7439                 for (j = 0; j < SWM_WS_MAX; j++) {
7440                         ws = &screens[i].ws[j];
7441                         ws->idx = j;
7442                         ws->name = NULL;
7443                         ws->focus = NULL;
7444                         ws->r = NULL;
7445                         ws->old_r = NULL;
7446                         TAILQ_INIT(&ws->winlist);
7447                         TAILQ_INIT(&ws->unmanagedlist);
7448
7449                         for (k = 0; layouts[k].l_stack != NULL; k++)
7450                                 if (layouts[k].l_config != NULL)
7451                                         layouts[k].l_config(ws,
7452                                             SWM_ARG_ID_STACKINIT);
7453                         ws->cur_layout = &layouts[0];
7454                         ws->cur_layout->l_string(ws);
7455                 }
7456
7457                 scan_xrandr(i);
7458
7459                 if (xrandr_support)
7460                         xcb_randr_select_input(conn, screens[i].root,
7461                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
7462         }
7463         xcb_free_cursor(conn, cursor);
7464         xcb_close_font(conn, cursor_font);
7465 }
7466
7467 void
7468 setup_globals(void)
7469 {
7470         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
7471                 err(1, "setup_globals: strdup: failed to allocate memory.");
7472
7473         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
7474                 err(1, "setup_globals: strdup: failed to allocate memory.");
7475 }
7476
7477 void
7478 workaround(void)
7479 {
7480         int                     i, num_screens;
7481         xcb_atom_t              netwmcheck, netwmname, utf8_string;
7482         xcb_window_t            root, win;
7483         uint32_t                wa[2];
7484
7485         /* work around sun jdk bugs, code from wmname */
7486         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
7487         netwmname = get_atom_from_string("_NET_WM_NAME");
7488         utf8_string = get_atom_from_string("UTF8_STRING");
7489
7490         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7491         for (i = 0; i < num_screens; i++) {
7492                 root = screens[i].root;
7493
7494                 win = xcb_generate_id(conn);
7495                 wa[0] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7496                 wa[1] = screens[i].c[SWM_S_COLOR_UNFOCUS].color;
7497                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, 0, 0, 0, 1,
7498                     1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
7499                     XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
7500
7501                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
7502                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7503                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7504                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
7505                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
7506                     netwmname, utf8_string, 8, strlen("LG3D"), "LG3D");
7507         }
7508 }
7509
7510 void
7511 event_error(xcb_generic_error_t *e)
7512 {
7513         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
7514             "resource_id: %u, minor_code: %u\n",
7515             xcb_event_get_error_label(e->error_code), e->error_code,
7516             xcb_event_get_request_label(e->major_code), e->major_code,
7517             e->sequence, e->resource_id, e->minor_code);
7518 }
7519
7520 void
7521 event_handle(xcb_generic_event_t *evt)
7522 {
7523         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
7524
7525         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d)\n",
7526             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
7527             XCB_EVENT_RESPONSE_TYPE(evt));
7528
7529         switch (type) {
7530 #define EVENT(type, callback) case type: callback((void *)evt); return
7531         EVENT(0, event_error);
7532         EVENT(XCB_BUTTON_PRESS, buttonpress);
7533         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
7534         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
7535         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
7536         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
7537         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
7538         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
7539         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
7540         /*EVENT(XCB_CREATE_NOTIFY, );*/
7541         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
7542         EVENT(XCB_ENTER_NOTIFY, enternotify);
7543         EVENT(XCB_EXPOSE, expose);
7544         /*EVENT(XCB_FOCUS_IN, );*/
7545         /*EVENT(XCB_FOCUS_OUT, );*/
7546         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
7547         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
7548         EVENT(XCB_KEY_PRESS, keypress);
7549         /*EVENT(XCB_KEY_RELEASE, keypress);*/
7550         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
7551         /*EVENT(XCB_LEAVE_NOTIFY, );*/
7552         EVENT(XCB_MAP_NOTIFY, mapnotify);
7553         EVENT(XCB_MAP_REQUEST, maprequest);
7554         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
7555         /*EVENT(XCB_MOTION_NOTIFY, );*/
7556         /*EVENT(XCB_NO_EXPOSURE, );*/
7557         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
7558         /*EVENT(XCB_REPARENT_NOTIFY, );*/
7559         /*EVENT(XCB_RESIZE_REQUEST, );*/
7560         /*EVENT(XCB_SELECTION_CLEAR, );*/
7561         /*EVENT(XCB_SELECTION_NOTIFY, );*/
7562         /*EVENT(XCB_SELECTION_REQUEST, );*/
7563         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
7564         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
7565 #undef EVENT
7566         }
7567         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
7568                 screenchange((void *)evt);
7569 }
7570
7571 int
7572 main(int argc, char *argv[])
7573 {
7574         struct swm_region       *r, *rr;
7575         struct ws_win           *winfocus = NULL;
7576         union arg               a;
7577         char                    conf[PATH_MAX], *cfile = NULL;
7578         struct stat             sb;
7579         int                     xfd, i, num_screens;
7580         struct sigaction        sact;
7581         xcb_generic_event_t     *evt;
7582         struct timeval          tv;
7583         fd_set                  rd;
7584
7585         time_started = time(NULL);
7586
7587         start_argv = argv;
7588         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
7589         if (!setlocale(LC_CTYPE, "") || !setlocale(LC_TIME, "") ||
7590             !XSupportsLocale())
7591                 warnx("no locale support");
7592
7593         if (!X_HAVE_UTF8_STRING)
7594                 warnx("no UTF-8 support");
7595
7596         if (!(display = XOpenDisplay(0)))
7597                 errx(1, "can not open display");
7598
7599         /* handle some signals */
7600         bzero(&sact, sizeof(sact));
7601         sigemptyset(&sact.sa_mask);
7602         sact.sa_flags = 0;
7603         sact.sa_handler = sighdlr;
7604         sigaction(SIGINT, &sact, NULL);
7605         sigaction(SIGQUIT, &sact, NULL);
7606         sigaction(SIGTERM, &sact, NULL);
7607         sigaction(SIGHUP, &sact, NULL);
7608
7609         sact.sa_handler = sighdlr;
7610         sact.sa_flags = SA_NOCLDSTOP;
7611         sigaction(SIGCHLD, &sact, NULL);
7612
7613         conn = XGetXCBConnection(display);
7614         if (xcb_connection_has_error(conn))
7615                 errx(1, "can not get XCB connection");
7616
7617         xfd = xcb_get_file_descriptor(conn);
7618         syms = xcb_key_symbols_alloc(conn);
7619         if (!syms)
7620                 errx(1, "unable to allocate key symbols");
7621
7622         astate = get_atom_from_string("WM_STATE");
7623         aprot = get_atom_from_string("WM_PROTOCOLS");
7624         adelete = get_atom_from_string("WM_DELETE_WINDOW");
7625         takefocus = get_atom_from_string("WM_TAKE_FOCUS");
7626         a_wmname = get_atom_from_string("WM_NAME");
7627         a_netwmname = get_atom_from_string("_NET_WM_NAME");
7628         a_utf8_string = get_atom_from_string("UTF8_STRING");
7629         a_string = get_atom_from_string("STRING");
7630         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
7631
7632         /* look for local and global conf file */
7633         pwd = getpwuid(getuid());
7634         if (pwd == NULL)
7635                 errx(1, "invalid user: %d", getuid());
7636
7637         xcb_grab_server(conn);
7638         xcb_aux_sync(conn);
7639
7640         /* flush all events */
7641         while ((evt = xcb_poll_for_event(conn))) {
7642                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
7643                         event_handle(evt);
7644                 free(evt);
7645         }
7646
7647         if (active_wm())
7648                 errx(1, "other wm running");
7649
7650         xcb_aux_sync(conn);
7651
7652         setup_globals();
7653         setup_screens();
7654         setup_keys();
7655         setup_quirks();
7656         setup_spawn();
7657
7658         /* load config */
7659         for (i = 0; ; i++) {
7660                 conf[0] = '\0';
7661                 switch (i) {
7662                 case 0:
7663                         /* ~ */
7664                         snprintf(conf, sizeof conf, "%s/.%s",
7665                             pwd->pw_dir, SWM_CONF_FILE);
7666                         break;
7667                 case 1:
7668                         /* global */
7669                         snprintf(conf, sizeof conf, "/etc/%s",
7670                             SWM_CONF_FILE);
7671                         break;
7672                 case 2:
7673                         /* ~ compat */
7674                         snprintf(conf, sizeof conf, "%s/.%s",
7675                             pwd->pw_dir, SWM_CONF_FILE_OLD);
7676                         break;
7677                 case 3:
7678                         /* global compat */
7679                         snprintf(conf, sizeof conf, "/etc/%s",
7680                             SWM_CONF_FILE_OLD);
7681                         break;
7682                 default:
7683                         goto noconfig;
7684                 }
7685
7686                 if (strlen(conf) && stat(conf, &sb) != -1)
7687                         if (S_ISREG(sb.st_mode)) {
7688                                 cfile = conf;
7689                                 break;
7690                         }
7691         }
7692 noconfig:
7693
7694         /* load conf (if any) */
7695         if (cfile)
7696                 conf_load(cfile, SWM_CONF_DEFAULT);
7697
7698         setup_ewmh();
7699         /* set some values to work around bad programs */
7700         workaround();
7701         /* grab existing windows (before we build the bars) */
7702         grab_windows();
7703
7704         if (getenv("SWM_STARTED") == NULL)
7705                 setenv("SWM_STARTED", "YES", 1);
7706
7707         /* setup all bars */
7708         num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
7709         for (i = 0; i < num_screens; i++)
7710                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
7711                         if (winfocus == NULL)
7712                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
7713                         bar_setup(r);
7714                 }
7715
7716         //unfocus_all();
7717
7718         grabkeys();
7719         stack();
7720
7721         xcb_ungrab_server(conn);
7722         xcb_flush(conn);
7723
7724         while (running) {
7725                 while ((evt = xcb_poll_for_event(conn))) {
7726                         if (running == 0)
7727                                 goto done;
7728                         event_handle(evt);
7729                         free(evt);
7730                 }
7731
7732                 /* if we are being restarted go focus on first window */
7733                 if (winfocus) {
7734                         rr = winfocus->ws->r;
7735                         if (rr == NULL) {
7736                                 /* not a visible window */
7737                                 winfocus = NULL;
7738                                 continue;
7739                         }
7740                         /* move pointer to first screen if multi screen */
7741                         if (num_screens > 1 || outputs > 1)
7742                                 xcb_warp_pointer(conn, XCB_WINDOW_NONE,
7743                                     rr->s[0].root, 0, 0, 0, 0, X(rr),
7744                                     Y(rr) + (bar_enabled ? bar_height : 0));
7745
7746                         a.id = SWM_ARG_ID_FOCUSCUR;
7747                         focus(rr, &a);
7748                         winfocus = NULL;
7749                         continue;
7750                 }
7751
7752                 FD_ZERO(&rd);
7753                 FD_SET(xfd, &rd);
7754                 tv.tv_sec = 1;
7755                 tv.tv_usec = 0;
7756                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
7757                         if (errno != EINTR)
7758                                 DNPRINTF(SWM_D_MISC, "select failed");
7759                 if (restart_wm == 1)
7760                         restart(NULL, NULL);
7761                 if (search_resp == 1)
7762                         search_do_resp();
7763                 if (running == 0)
7764                         goto done;
7765                 if (bar_alarm) {
7766                         bar_alarm = 0;
7767                         bar_update();
7768                 }
7769         }
7770 done:
7771         teardown_ewmh();
7772         bar_extra_stop();
7773
7774         for (i = 0; i < num_screens; ++i)
7775                 if (screens[i].bar_gc != 0)
7776                         xcb_free_gc(conn, screens[i].bar_gc);
7777         XFreeFontSet(display, bar_fs);
7778
7779         xcb_key_symbols_free(syms);
7780         xcb_disconnect(conn);
7781
7782         return (0);
7783 }