Pileus Git - ~andy/gtk/blob - gdk/x11/gdkdisplay-x11.c

   1 /* GDK - The GIMP Drawing Kit
   2  * gdkdisplay-x11.c
   3  *
   4  * Copyright 2001 Sun Microsystems Inc.
   5  * Copyright (C) 2004 Nokia Corporation
   6  *
   7  * Erwann Chenede <erwann.chenede@sun.com>
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Library General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Library General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Library General Public
  20  * License along with this library; if not, write to the
  21  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  22  * Boston, MA 02111-1307, USA.
  23  */
  24
  25 #include "config.h"
  26
  27 #include "gdkasync.h"
  28 #include "gdkdisplay.h"
  29 #include "gdkeventsource.h"
  30 #include "gdkeventtranslator.h"
  31 #include "gdkinternals.h"
  32 #include "gdkscreen.h"
  33 #include "gdkinternals.h"
  34 #include "gdkdeviceprivate.h"
  35 #include "gdkkeysprivate.h"
  36 #include "gdkdevicemanager.h"
  37 #include "xsettings-client.h"
  38 #include "gdkdisplay-x11.h"
  39 #include "gdkprivate-x11.h"
  40 #include "gdkscreen-x11.h"
  41
  42 #include <glib.h>
  43 #include <glib/gprintf.h>
  44 #include <stdlib.h>
  45 #include <string.h>
  46 #include <errno.h>
  47 #include <unistd.h>
  48
  49 #include <X11/Xatom.h>
  50
  51 #ifdef HAVE_XKB
  52 #include <X11/XKBlib.h>
  53 #endif
  54
  55 #ifdef HAVE_XFIXES
  56 #include <X11/extensions/Xfixes.h>
  57 #endif
  58
  59 #include <X11/extensions/shape.h>
  60
  61 #ifdef HAVE_XCOMPOSITE
  62 #include <X11/extensions/Xcomposite.h>
  63 #endif
  64
  65 #ifdef HAVE_XDAMAGE
  66 #include <X11/extensions/Xdamage.h>
  67 #endif
  68
  69 #ifdef HAVE_RANDR
  70 #include <X11/extensions/Xrandr.h>
  71 #endif
  72
  73 typedef struct _GdkErrorTrap  GdkErrorTrap;
  74
  75 struct _GdkErrorTrap
  76 {
  77   /* Next sequence when trap was pushed, i.e. first sequence to
  78    * ignore
  79    */
  80   gulong start_sequence;
  81
  82   /* Next sequence when trap was popped, i.e. first sequence
  83    * to not ignore. 0 if trap is still active.
  84    */
  85   gulong end_sequence;
  86
  87   /* Most recent error code within the sequence */
  88   int error_code;
  89 };
  90
  91 static void   gdk_x11_display_dispose            (GObject            *object);
  92 static void   gdk_x11_display_finalize           (GObject            *object);
  93
  94 static void     gdk_x11_display_event_translator_init (GdkEventTranslatorIface *iface);
  95
  96 static gboolean gdk_x11_display_translate_event (GdkEventTranslator *translator,
  97                                                  GdkDisplay         *display,
  98                                                  GdkEvent           *event,
  99                                                  XEvent             *xevent);
 100
 101 #ifdef HAVE_X11R6
 102 static void gdk_internal_connection_watch (Display  *display,
 103                                            XPointer  arg,
 104                                            gint      fd,
 105                                            gboolean  opening,
 106                                            XPointer *watch_data);
 107 #endif /* HAVE_X11R6 */
 108
 109 typedef struct _GdkEventTypeX11 GdkEventTypeX11;
 110
 111 struct _GdkEventTypeX11
 112 {
 113   gint base;
 114   gint n_events;
 115 };
 116
 117 /* Note that we never *directly* use WM_LOCALE_NAME, WM_PROTOCOLS,
 118  * but including them here has the side-effect of getting them
 119  * into the internal Xlib cache
 120  */
 121 static const char *const precache_atoms[] = {
 122   "UTF8_STRING",
 123   "WM_CLIENT_LEADER",
 124   "WM_DELETE_WINDOW",
 125   "WM_ICON_NAME",
 126   "WM_LOCALE_NAME",
 127   "WM_NAME",
 128   "WM_PROTOCOLS",
 129   "WM_TAKE_FOCUS",
 130   "WM_WINDOW_ROLE",
 131   "_NET_ACTIVE_WINDOW",
 132   "_NET_CURRENT_DESKTOP",
 133   "_NET_FRAME_EXTENTS",
 134   "_NET_STARTUP_ID",
 135   "_NET_WM_CM_S0",
 136   "_NET_WM_DESKTOP",
 137   "_NET_WM_ICON",
 138   "_NET_WM_ICON_NAME",
 139   "_NET_WM_NAME",
 140   "_NET_WM_PID",
 141   "_NET_WM_PING",
 142   "_NET_WM_STATE",
 143   "_NET_WM_STATE_ABOVE",
 144   "_NET_WM_STATE_BELOW",
 145   "_NET_WM_STATE_FULLSCREEN",
 146   "_NET_WM_STATE_MODAL",
 147   "_NET_WM_STATE_MAXIMIZED_VERT",
 148   "_NET_WM_STATE_MAXIMIZED_HORZ",
 149   "_NET_WM_STATE_SKIP_TASKBAR",
 150   "_NET_WM_STATE_SKIP_PAGER",
 151   "_NET_WM_STATE_STICKY",
 152   "_NET_WM_SYNC_REQUEST",
 153   "_NET_WM_SYNC_REQUEST_COUNTER",
 154   "_NET_WM_WINDOW_TYPE",
 155   "_NET_WM_WINDOW_TYPE_NORMAL",
 156   "_NET_WM_USER_TIME",
 157   "_NET_VIRTUAL_ROOTS",
 158   "GDK_SELECTION"
 159 };
 160
 161 static char *gdk_sm_client_id;
 162
 163 G_DEFINE_TYPE_WITH_CODE (GdkX11Display, gdk_x11_display, GDK_TYPE_DISPLAY,
 164                          G_IMPLEMENT_INTERFACE (GDK_TYPE_EVENT_TRANSLATOR,
 165                                                 gdk_x11_display_event_translator_init))
 166
 167
 168 static void
 169 gdk_x11_display_init (GdkX11Display *display)
 170 {
 171   _gdk_x11_display_manager_add_display (gdk_display_manager_get (),
 172                                         GDK_DISPLAY (display));
 173 }
 174
 175 static void
 176 gdk_x11_display_event_translator_init (GdkEventTranslatorIface *iface)
 177 {
 178   iface->translate_event = gdk_x11_display_translate_event;
 179 }
 180
 181 static void
 182 do_net_wm_state_changes (GdkWindow *window)
 183 {
 184   GdkToplevelX11 *toplevel = _gdk_x11_window_get_toplevel (window);
 185   GdkWindowState old_state;
 186
 187   if (GDK_WINDOW_DESTROYED (window) ||
 188       gdk_window_get_window_type (window) != GDK_WINDOW_TOPLEVEL)
 189     return;
 190
 191   old_state = gdk_window_get_state (window);
 192
 193   /* For found_sticky to remain TRUE, we have to also be on desktop
 194    * 0xFFFFFFFF
 195    */
 196   if (old_state & GDK_WINDOW_STATE_STICKY)
 197     {
 198       if (!(toplevel->have_sticky && toplevel->on_all_desktops))
 199         gdk_synthesize_window_state (window,
 200                                      GDK_WINDOW_STATE_STICKY,
 201                                      0);
 202     }
 203   else
 204     {
 205       if (toplevel->have_sticky || toplevel->on_all_desktops)
 206         gdk_synthesize_window_state (window,
 207                                      0,
 208                                      GDK_WINDOW_STATE_STICKY);
 209     }
 210
 211   if (old_state & GDK_WINDOW_STATE_FULLSCREEN)
 212     {
 213       if (!toplevel->have_fullscreen)
 214         gdk_synthesize_window_state (window,
 215                                      GDK_WINDOW_STATE_FULLSCREEN,
 216                                      0);
 217     }
 218   else
 219     {
 220       if (toplevel->have_fullscreen)
 221         gdk_synthesize_window_state (window,
 222                                      0,
 223                                      GDK_WINDOW_STATE_FULLSCREEN);
 224     }
 225
 226   /* Our "maximized" means both vertical and horizontal; if only one,
 227    * we don't expose that via GDK
 228    */
 229   if (old_state & GDK_WINDOW_STATE_MAXIMIZED)
 230     {
 231       if (!(toplevel->have_maxvert && toplevel->have_maxhorz))
 232         gdk_synthesize_window_state (window,
 233                                      GDK_WINDOW_STATE_MAXIMIZED,
 234                                      0);
 235     }
 236   else
 237     {
 238       if (toplevel->have_maxvert && toplevel->have_maxhorz)
 239         gdk_synthesize_window_state (window,
 240                                      0,
 241                                      GDK_WINDOW_STATE_MAXIMIZED);
 242     }
 243 }
 244
 245 static void
 246 gdk_check_wm_desktop_changed (GdkWindow *window)
 247 {
 248   GdkToplevelX11 *toplevel = _gdk_x11_window_get_toplevel (window);
 249   GdkDisplay *display = GDK_WINDOW_DISPLAY (window);
 250
 251   Atom type;
 252   gint format;
 253   gulong nitems;
 254   gulong bytes_after;
 255   guchar *data;
 256   gulong *desktop;
 257
 258   type = None;
 259   gdk_x11_display_error_trap_push (display);
 260   XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display),
 261                       GDK_WINDOW_XID (window),
 262                       gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_DESKTOP"),
 263                       0, G_MAXLONG, False, XA_CARDINAL, &type,
 264                       &format, &nitems,
 265                       &bytes_after, &data);
 266   gdk_x11_display_error_trap_pop_ignored (display);
 267
 268   if (type != None)
 269     {
 270       desktop = (gulong *)data;
 271       toplevel->on_all_desktops = (*desktop == 0xFFFFFFFF);
 272       XFree (desktop);
 273     }
 274   else
 275     toplevel->on_all_desktops = FALSE;
 276
 277   do_net_wm_state_changes (window);
 278 }
 279
 280 static void
 281 gdk_check_wm_state_changed (GdkWindow *window)
 282 {
 283   GdkToplevelX11 *toplevel = _gdk_x11_window_get_toplevel (window);
 284   GdkDisplay *display = GDK_WINDOW_DISPLAY (window);
 285
 286   Atom type;
 287   gint format;
 288   gulong nitems;
 289   gulong bytes_after;
 290   guchar *data;
 291   Atom *atoms = NULL;
 292   gulong i;
 293
 294   gboolean had_sticky = toplevel->have_sticky;
 295
 296   toplevel->have_sticky = FALSE;
 297   toplevel->have_maxvert = FALSE;
 298   toplevel->have_maxhorz = FALSE;
 299   toplevel->have_fullscreen = FALSE;
 300
 301   type = None;
 302   gdk_x11_display_error_trap_push (display);
 303   XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window),
 304                       gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE"),
 305                       0, G_MAXLONG, False, XA_ATOM, &type, &format, &nitems,
 306                       &bytes_after, &data);
 307   gdk_x11_display_error_trap_pop_ignored (display);
 308
 309   if (type != None)
 310     {
 311       Atom sticky_atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE_STICKY");
 312       Atom maxvert_atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE_MAXIMIZED_VERT");
 313       Atom maxhorz_atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE_MAXIMIZED_HORZ");
 314       Atom fullscreen_atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE_FULLSCREEN");
 315
 316       atoms = (Atom *)data;
 317
 318       i = 0;
 319       while (i < nitems)
 320         {
 321           if (atoms[i] == sticky_atom)
 322             toplevel->have_sticky = TRUE;
 323           else if (atoms[i] == maxvert_atom)
 324             toplevel->have_maxvert = TRUE;
 325           else if (atoms[i] == maxhorz_atom)
 326             toplevel->have_maxhorz = TRUE;
 327           else if (atoms[i] == fullscreen_atom)
 328             toplevel->have_fullscreen = TRUE;
 329
 330           ++i;
 331         }
 332
 333       XFree (atoms);
 334     }
 335
 336   /* When have_sticky is turned on, we have to check the DESKTOP property
 337    * as well.
 338    */
 339   if (toplevel->have_sticky && !had_sticky)
 340     gdk_check_wm_desktop_changed (window);
 341   else
 342     do_net_wm_state_changes (window);
 343 }
 344
 345 static GdkWindow *
 346 get_event_window (GdkEventTranslator *translator,
 347                   XEvent             *xevent)
 348 {
 349   GdkDisplay *display;
 350   Window xwindow;
 351
 352   display = (GdkDisplay *) translator;
 353
 354   switch (xevent->type)
 355     {
 356     case DestroyNotify:
 357       xwindow = xevent->xdestroywindow.window;
 358       break;
 359     case UnmapNotify:
 360       xwindow = xevent->xunmap.window;
 361       break;
 362     case MapNotify:
 363       xwindow = xevent->xmap.window;
 364       break;
 365     case ConfigureNotify:
 366       xwindow = xevent->xconfigure.window;
 367       break;
 368     default:
 369       xwindow = xevent->xany.window;
 370     }
 371
 372   return gdk_x11_window_lookup_for_display (display, xwindow);
 373 }
 374
 375 static gboolean
 376 gdk_x11_display_translate_event (GdkEventTranslator *translator,
 377                                  GdkDisplay         *display,
 378                                  GdkEvent           *event,
 379                                  XEvent             *xevent)
 380 {
 381   GdkWindow *window;
 382   GdkWindowImplX11 *window_impl = NULL;
 383   GdkScreen *screen = NULL;
 384   GdkX11Screen *x11_screen = NULL;
 385   GdkToplevelX11 *toplevel = NULL;
 386   GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
 387   gboolean return_val;
 388   Window xwindow = None;
 389
 390   /* Find the GdkWindow that this event relates to.
 391    * Basically this means substructure events
 392    * are reported same as structure events
 393    */
 394   window = get_event_window (translator, xevent);
 395
 396   if (window)
 397     {
 398       /* We may receive events such as NoExpose/GraphicsExpose
 399        * and ShmCompletion for pixmaps
 400        */
 401       if (!GDK_IS_WINDOW (window))
 402         return FALSE;
 403
 404       screen = GDK_WINDOW_SCREEN (window);
 405       x11_screen = GDK_X11_SCREEN (screen);
 406       toplevel = _gdk_x11_window_get_toplevel (window);
 407       window_impl = GDK_WINDOW_IMPL_X11 (window->impl);
 408       xwindow = GDK_WINDOW_XID (window);
 409
 410       g_object_ref (window);
 411     }
 412
 413   event->any.window = window;
 414   event->any.send_event = xevent->xany.send_event ? TRUE : FALSE;
 415
 416   if (window && GDK_WINDOW_DESTROYED (window))
 417     {
 418       if (xevent->type != DestroyNotify)
 419         {
 420           return_val = FALSE;
 421           goto done;
 422         }
 423     }
 424
 425   if (xevent->type == DestroyNotify)
 426     {
 427       int i, n;
 428
 429       n = gdk_display_get_n_screens (display);
 430       for (i = 0; i < n; i++)
 431         {
 432           screen = gdk_display_get_screen (display, i);
 433           x11_screen = GDK_X11_SCREEN (screen);
 434
 435           if (x11_screen->wmspec_check_window == xwindow)
 436             {
 437               x11_screen->wmspec_check_window = None;
 438               x11_screen->last_wmspec_check_time = 0;
 439               g_free (x11_screen->window_manager_name);
 440               x11_screen->window_manager_name = g_strdup ("unknown");
 441
 442               /* careful, reentrancy */
 443               _gdk_x11_screen_window_manager_changed (screen);
 444
 445               return_val = FALSE;
 446               goto done;
 447             }
 448         }
 449     }
 450
 451   /* We do a "manual" conversion of the XEvent to a
 452    *  GdkEvent. The structures are mostly the same so
 453    *  the conversion is fairly straightforward. We also
 454    *  optionally print debugging info regarding events
 455    *  received.
 456    */
 457
 458   return_val = TRUE;
 459
 460   switch (xevent->type)
 461     {
 462     case KeymapNotify:
 463       GDK_NOTE (EVENTS,
 464                 g_message ("keymap notify"));
 465
 466       /* Not currently handled */
 467       return_val = FALSE;
 468       break;
 469
 470     case Expose:
 471       GDK_NOTE (EVENTS,
 472                 g_message ("expose:\t\twindow: %ld  %d  x,y: %d %d  w,h: %d %d%s",
 473                            xevent->xexpose.window, xevent->xexpose.count,
 474                            xevent->xexpose.x, xevent->xexpose.y,
 475                            xevent->xexpose.width, xevent->xexpose.height,
 476                            event->any.send_event ? " (send)" : ""));
 477
 478       if (window == NULL)
 479         {
 480           return_val = FALSE;
 481           break;
 482         }
 483
 484       {
 485         GdkRectangle expose_rect;
 486
 487         expose_rect.x = xevent->xexpose.x;
 488         expose_rect.y = xevent->xexpose.y;
 489         expose_rect.width = xevent->xexpose.width;
 490         expose_rect.height = xevent->xexpose.height;
 491
 492         _gdk_x11_window_process_expose (window, xevent->xexpose.serial, &expose_rect);
 493         return_val = FALSE;
 494       }
 495
 496       break;
 497
 498     case GraphicsExpose:
 499       {
 500         GdkRectangle expose_rect;
 501
 502         GDK_NOTE (EVENTS,
 503                   g_message ("graphics expose:\tdrawable: %ld",
 504                              xevent->xgraphicsexpose.drawable));
 505
 506         if (window == NULL)
 507           {
 508             return_val = FALSE;
 509             break;
 510           }
 511
 512         expose_rect.x = xevent->xgraphicsexpose.x;
 513         expose_rect.y = xevent->xgraphicsexpose.y;
 514         expose_rect.width = xevent->xgraphicsexpose.width;
 515         expose_rect.height = xevent->xgraphicsexpose.height;
 516
 517         _gdk_x11_window_process_expose (window, xevent->xgraphicsexpose.serial, &expose_rect);
 518         return_val = FALSE;
 519       }
 520       break;
 521
 522     case VisibilityNotify:
 523 #ifdef G_ENABLE_DEBUG
 524       if (_gdk_debug_flags & GDK_DEBUG_EVENTS)
 525         switch (xevent->xvisibility.state)
 526           {
 527           case VisibilityFullyObscured:
 528             g_message ("visibility notify:\twindow: %ld  none",
 529                        xevent->xvisibility.window);
 530             break;
 531           case VisibilityPartiallyObscured:
 532             g_message ("visibility notify:\twindow: %ld  partial",
 533                        xevent->xvisibility.window);
 534             break;
 535           case VisibilityUnobscured:
 536             g_message ("visibility notify:\twindow: %ld  full",
 537                        xevent->xvisibility.window);
 538             break;
 539           }
 540 #endif /* G_ENABLE_DEBUG */
 541
 542       if (window == NULL)
 543         {
 544           return_val = FALSE;
 545           break;
 546         }
 547
 548       event->visibility.type = GDK_VISIBILITY_NOTIFY;
 549       event->visibility.window = window;
 550
 551       switch (xevent->xvisibility.state)
 552         {
 553         case VisibilityFullyObscured:
 554           event->visibility.state = GDK_VISIBILITY_FULLY_OBSCURED;
 555           break;
 556
 557         case VisibilityPartiallyObscured:
 558           event->visibility.state = GDK_VISIBILITY_PARTIAL;
 559           break;
 560
 561         case VisibilityUnobscured:
 562           event->visibility.state = GDK_VISIBILITY_UNOBSCURED;
 563           break;
 564         }
 565
 566       break;
 567
 568     case CreateNotify:
 569       GDK_NOTE (EVENTS,
 570                 g_message ("create notify:\twindow: %ld  x,y: %d %d     w,h: %d %d  b-w: %d  parent: %ld         ovr: %d",
 571                            xevent->xcreatewindow.window,
 572                            xevent->xcreatewindow.x,
 573                            xevent->xcreatewindow.y,
 574                            xevent->xcreatewindow.width,
 575                            xevent->xcreatewindow.height,
 576                            xevent->xcreatewindow.border_width,
 577                            xevent->xcreatewindow.parent,
 578                            xevent->xcreatewindow.override_redirect));
 579       /* not really handled */
 580       break;
 581
 582     case DestroyNotify:
 583       GDK_NOTE (EVENTS,
 584                 g_message ("destroy notify:\twindow: %ld",
 585                            xevent->xdestroywindow.window));
 586
 587       /* Ignore DestroyNotify from SubstructureNotifyMask */
 588       if (xevent->xdestroywindow.window == xevent->xdestroywindow.event)
 589         {
 590           event->any.type = GDK_DESTROY;
 591           event->any.window = window;
 592
 593           return_val = window && !GDK_WINDOW_DESTROYED (window);
 594
 595           if (window && GDK_WINDOW_XID (window) != x11_screen->xroot_window)
 596             gdk_window_destroy_notify (window);
 597         }
 598       else
 599         return_val = FALSE;
 600
 601       break;
 602
 603     case UnmapNotify:
 604       GDK_NOTE (EVENTS,
 605                 g_message ("unmap notify:\t\twindow: %ld",
 606                            xevent->xmap.window));
 607
 608       event->any.type = GDK_UNMAP;
 609       event->any.window = window;
 610
 611       /* If we are shown (not withdrawn) and get an unmap, it means we
 612        * were iconified in the X sense. If we are withdrawn, and get
 613        * an unmap, it means we hid the window ourselves, so we
 614        * will have already flipped the iconified bit off.
 615        */
 616       if (window)
 617         {
 618           if (GDK_WINDOW_IS_MAPPED (window))
 619             gdk_synthesize_window_state (window,
 620                                          0,
 621                                          GDK_WINDOW_STATE_ICONIFIED);
 622
 623           _gdk_x11_window_grab_check_unmap (window, xevent->xany.serial);
 624         }
 625
 626       break;
 627
 628     case MapNotify:
 629       GDK_NOTE (EVENTS,
 630                 g_message ("map notify:\t\twindow: %ld",
 631                            xevent->xmap.window));
 632
 633       event->any.type = GDK_MAP;
 634       event->any.window = window;
 635
 636       /* Unset iconified if it was set */
 637       if (window && (window->state & GDK_WINDOW_STATE_ICONIFIED))
 638         gdk_synthesize_window_state (window,
 639                                      GDK_WINDOW_STATE_ICONIFIED,
 640                                      0);
 641
 642       break;
 643
 644     case ReparentNotify:
 645       GDK_NOTE (EVENTS,
 646                 g_message ("reparent notify:\twindow: %ld  x,y: %d %d  parent: %ld      ovr: %d",
 647                            xevent->xreparent.window,
 648                            xevent->xreparent.x,
 649                            xevent->xreparent.y,
 650                            xevent->xreparent.parent,
 651                            xevent->xreparent.override_redirect));
 652
 653       /* Not currently handled */
 654       return_val = FALSE;
 655       break;
 656
 657     case ConfigureNotify:
 658       GDK_NOTE (EVENTS,
 659                 g_message ("configure notify:\twindow: %ld  x,y: %d %d  w,h: %d %d  b-w: %d  above: %ld  ovr: %d%s",
 660                            xevent->xconfigure.window,
 661                            xevent->xconfigure.x,
 662                            xevent->xconfigure.y,
 663                            xevent->xconfigure.width,
 664                            xevent->xconfigure.height,
 665                            xevent->xconfigure.border_width,
 666                            xevent->xconfigure.above,
 667                            xevent->xconfigure.override_redirect,
 668                            !window
 669                            ? " (discarding)"
 670                            : window->window_type == GDK_WINDOW_CHILD
 671                            ? " (discarding child)"
 672                            : xevent->xconfigure.event != xevent->xconfigure.window
 673                            ? " (discarding substructure)"
 674                            : ""));
 675       if (window && GDK_WINDOW_TYPE (window) == GDK_WINDOW_ROOT)
 676         {
 677           window->width = xevent->xconfigure.width;
 678           window->height = xevent->xconfigure.height;
 679
 680           _gdk_window_update_size (window);
 681           _gdk_x11_window_update_size (GDK_WINDOW_IMPL_X11 (window->impl));
 682           _gdk_x11_screen_size_changed (screen, xevent);
 683         }
 684
 685 #ifdef HAVE_XSYNC
 686       if (toplevel && display_x11->use_sync && !XSyncValueIsZero (toplevel->pending_counter_value))
 687         {
 688           toplevel->current_counter_value = toplevel->pending_counter_value;
 689           XSyncIntToValue (&toplevel->pending_counter_value, 0);
 690         }
 691 #endif
 692
 693     if (!window ||
 694           xevent->xconfigure.event != xevent->xconfigure.window ||
 695           GDK_WINDOW_TYPE (window) == GDK_WINDOW_CHILD ||
 696           GDK_WINDOW_TYPE (window) == GDK_WINDOW_ROOT)
 697         return_val = FALSE;
 698       else
 699         {
 700           event->configure.type = GDK_CONFIGURE;
 701           event->configure.window = window;
 702           event->configure.width = xevent->xconfigure.width;
 703           event->configure.height = xevent->xconfigure.height;
 704
 705           if (!xevent->xconfigure.send_event &&
 706               !xevent->xconfigure.override_redirect &&
 707               !GDK_WINDOW_DESTROYED (window))
 708             {
 709               gint tx = 0;
 710               gint ty = 0;
 711               Window child_window = 0;
 712
 713               gdk_x11_display_error_trap_push (display);
 714               if (XTranslateCoordinates (GDK_WINDOW_XDISPLAY (window),
 715                                          GDK_WINDOW_XID (window),
 716                                          x11_screen->xroot_window,
 717                                          0, 0,
 718                                          &tx, &ty,
 719                                          &child_window))
 720                 {
 721                   event->configure.x = tx;
 722                   event->configure.y = ty;
 723                 }
 724               gdk_x11_display_error_trap_pop_ignored (display);
 725             }
 726           else
 727             {
 728               event->configure.x = xevent->xconfigure.x;
 729               event->configure.y = xevent->xconfigure.y;
 730             }
 731           window->x = event->configure.x;
 732           window->y = event->configure.y;
 733           window->width = xevent->xconfigure.width;
 734           window->height = xevent->xconfigure.height;
 735
 736           _gdk_window_update_size (window);
 737           _gdk_x11_window_update_size (GDK_WINDOW_IMPL_X11 (window->impl));
 738
 739           if (window->resize_count >= 1)
 740             {
 741               window->resize_count -= 1;
 742
 743               if (window->resize_count == 0)
 744                 _gdk_x11_moveresize_configure_done (display, window);
 745             }
 746         }
 747       break;
 748
 749     case PropertyNotify:
 750       GDK_NOTE (EVENTS,
 751                 g_message ("property notify:\twindow: %ld, atom(%ld): %s%s%s",
 752                            xevent->xproperty.window,
 753                            xevent->xproperty.atom,
 754                            "\"",
 755                            gdk_x11_get_xatom_name_for_display (display, xevent->xproperty.atom),
 756                            "\""));
 757
 758       if (window == NULL)
 759         {
 760           return_val = FALSE;
 761           break;
 762         }
 763
 764       /* We compare with the serial of the last time we mapped the
 765        * window to avoid refetching properties that we set ourselves
 766        */
 767       if (toplevel &&
 768           xevent->xproperty.serial >= toplevel->map_serial)
 769         {
 770           if (xevent->xproperty.atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE"))
 771             gdk_check_wm_state_changed (window);
 772
 773           if (xevent->xproperty.atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_DESKTOP"))
 774             gdk_check_wm_desktop_changed (window);
 775         }
 776
 777       if (window->event_mask & GDK_PROPERTY_CHANGE_MASK)
 778         {
 779           event->property.type = GDK_PROPERTY_NOTIFY;
 780           event->property.window = window;
 781           event->property.atom = gdk_x11_xatom_to_atom_for_display (display, xevent->xproperty.atom);
 782           event->property.time = xevent->xproperty.time;
 783           event->property.state = xevent->xproperty.state;
 784         }
 785       else
 786         return_val = FALSE;
 787
 788       break;
 789
 790     case SelectionClear:
 791       GDK_NOTE (EVENTS,
 792                 g_message ("selection clear:\twindow: %ld",
 793                            xevent->xproperty.window));
 794
 795       if (_gdk_x11_selection_filter_clear_event (&xevent->xselectionclear))
 796         {
 797           event->selection.type = GDK_SELECTION_CLEAR;
 798           event->selection.window = window;
 799           event->selection.selection = gdk_x11_xatom_to_atom_for_display (display, xevent->xselectionclear.selection);
 800           event->selection.time = xevent->xselectionclear.time;
 801         }
 802       else
 803         return_val = FALSE;
 804
 805       break;
 806
 807     case SelectionRequest:
 808       GDK_NOTE (EVENTS,
 809                 g_message ("selection request:\twindow: %ld",
 810                            xevent->xproperty.window));
 811
 812       event->selection.type = GDK_SELECTION_REQUEST;
 813       event->selection.window = window;
 814       event->selection.selection = gdk_x11_xatom_to_atom_for_display (display, xevent->xselectionrequest.selection);
 815       event->selection.target = gdk_x11_xatom_to_atom_for_display (display, xevent->xselectionrequest.target);
 816       event->selection.property = gdk_x11_xatom_to_atom_for_display (display, xevent->xselectionrequest.property);
 817       event->selection.requestor = xevent->xselectionrequest.requestor;
 818       event->selection.time = xevent->xselectionrequest.time;
 819
 820       break;
 821
 822     case SelectionNotify:
 823       GDK_NOTE (EVENTS,
 824                 g_message ("selection notify:\twindow: %ld",
 825                            xevent->xproperty.window));
 826
 827       event->selection.type = GDK_SELECTION_NOTIFY;
 828       event->selection.window = window;
 829       event->selection.selection = gdk_x11_xatom_to_atom_for_display (display, xevent->xselection.selection);
 830       event->selection.target = gdk_x11_xatom_to_atom_for_display (display, xevent->xselection.target);
 831       if (xevent->xselection.property == None)
 832         event->selection.property = GDK_NONE;
 833       else
 834         event->selection.property = gdk_x11_xatom_to_atom_for_display (display, xevent->xselection.property);
 835       event->selection.time = xevent->xselection.time;
 836
 837       break;
 838
 839     case ColormapNotify:
 840       GDK_NOTE (EVENTS,
 841                 g_message ("colormap notify:\twindow: %ld",
 842                            xevent->xcolormap.window));
 843
 844       /* Not currently handled */
 845       return_val = FALSE;
 846       break;
 847
 848     case ClientMessage:
 849       {
 850         GList *tmp_list;
 851         GdkFilterReturn result = GDK_FILTER_CONTINUE;
 852         GdkAtom message_type = gdk_x11_xatom_to_atom_for_display (display, xevent->xclient.message_type);
 853
 854         GDK_NOTE (EVENTS,
 855                   g_message ("client message:\twindow: %ld",
 856                              xevent->xclient.window));
 857
 858         tmp_list = display_x11->client_filters;
 859         while (tmp_list)
 860           {
 861             GdkClientFilter *filter = tmp_list->data;
 862             tmp_list = tmp_list->next;
 863
 864             if (filter->type == message_type)
 865               {
 866                 result = (*filter->function) (xevent, event, filter->data);
 867                 if (result != GDK_FILTER_CONTINUE)
 868                   break;
 869               }
 870           }
 871
 872         switch (result)
 873           {
 874           case GDK_FILTER_REMOVE:
 875             return_val = FALSE;
 876             break;
 877           case GDK_FILTER_TRANSLATE:
 878             return_val = TRUE;
 879             break;
 880           case GDK_FILTER_CONTINUE:
 881             /* Send unknown ClientMessage's on to Gtk for it to use */
 882             if (window == NULL)
 883               {
 884                 return_val = FALSE;
 885               }
 886             else
 887               {
 888                 event->client.type = GDK_CLIENT_EVENT;
 889                 event->client.window = window;
 890                 event->client.message_type = message_type;
 891                 event->client.data_format = xevent->xclient.format;
 892                 memcpy(&event->client.data, &xevent->xclient.data,
 893                        sizeof(event->client.data));
 894               }
 895             break;
 896           }
 897       }
 898
 899       break;
 900
 901     case MappingNotify:
 902       GDK_NOTE (EVENTS,
 903                 g_message ("mapping notify"));
 904
 905       /* Let XLib know that there is a new keyboard mapping.
 906        */
 907       XRefreshKeyboardMapping (&xevent->xmapping);
 908       _gdk_x11_keymap_keys_changed (display);
 909       return_val = FALSE;
 910       break;
 911
 912     default:
 913 #ifdef HAVE_XFIXES
 914       if (xevent->type - display_x11->xfixes_event_base == XFixesSelectionNotify)
 915         {
 916           XFixesSelectionNotifyEvent *selection_notify = (XFixesSelectionNotifyEvent *)xevent;
 917
 918           _gdk_x11_screen_process_owner_change (screen, xevent);
 919
 920           event->owner_change.type = GDK_OWNER_CHANGE;
 921           event->owner_change.window = window;
 922           event->owner_change.owner = selection_notify->owner;
 923           event->owner_change.reason = selection_notify->subtype;
 924           event->owner_change.selection =
 925             gdk_x11_xatom_to_atom_for_display (display,
 926                                                selection_notify->selection);
 927           event->owner_change.time = selection_notify->timestamp;
 928           event->owner_change.selection_time = selection_notify->selection_timestamp;
 929
 930           return_val = TRUE;
 931         }
 932       else
 933 #endif
 934 #ifdef HAVE_RANDR
 935       if (xevent->type - display_x11->xrandr_event_base == RRScreenChangeNotify ||
 936           xevent->type - display_x11->xrandr_event_base == RRNotify)
 937         {
 938           if (screen)
 939             _gdk_x11_screen_size_changed (screen, xevent);
 940         }
 941       else
 942 #endif
 943 #if defined(HAVE_XCOMPOSITE) && defined (HAVE_XDAMAGE) && defined (HAVE_XFIXES)
 944       if (display_x11->have_xdamage && window && window->composited &&
 945           xevent->type == display_x11->xdamage_event_base + XDamageNotify &&
 946           ((XDamageNotifyEvent *) xevent)->damage == window_impl->damage)
 947         {
 948           XDamageNotifyEvent *damage_event = (XDamageNotifyEvent *) xevent;
 949           XserverRegion repair;
 950           GdkRectangle rect;
 951
 952           rect.x = window->x + damage_event->area.x;
 953           rect.y = window->y + damage_event->area.y;
 954           rect.width = damage_event->area.width;
 955           rect.height = damage_event->area.height;
 956
 957           repair = XFixesCreateRegion (display_x11->xdisplay,
 958                                        &damage_event->area, 1);
 959           XDamageSubtract (display_x11->xdisplay,
 960                            window_impl->damage,
 961                            repair, None);
 962           XFixesDestroyRegion (display_x11->xdisplay, repair);
 963
 964           if (window->parent != NULL)
 965            _gdk_x11_window_process_expose (window->parent,
 966                                            damage_event->serial, &rect);
 967
 968           return_val = TRUE;
 969         }
 970       else
 971 #endif
 972 #ifdef HAVE_XKB
 973       if (xevent->type == display_x11->xkb_event_type)
 974         {
 975           XkbEvent *xkb_event = (XkbEvent *) xevent;
 976
 977           switch (xkb_event->any.xkb_type)
 978             {
 979             case XkbNewKeyboardNotify:
 980             case XkbMapNotify:
 981               _gdk_x11_keymap_keys_changed (display);
 982
 983               return_val = FALSE;
 984               break;
 985
 986             case XkbStateNotify:
 987               _gdk_x11_keymap_state_changed (display, xevent);
 988               break;
 989             }
 990         }
 991       else
 992 #endif
 993         return_val = FALSE;
 994     }
 995
 996  done:
 997   if (return_val)
 998     {
 999       if (event->any.window)
1000         g_object_ref (event->any.window);
1001     }
1002   else
1003     {
1004       /* Mark this event as having no resources to be freed */
1005       event->any.window = NULL;
1006       event->any.type = GDK_NOTHING;
1007     }
1008
1009   if (window)
1010     g_object_unref (window);
1011
1012   return return_val;
1013 }
1014
1015 static GdkFilterReturn
1016 gdk_wm_protocols_filter (GdkXEvent *xev,
1017                          GdkEvent  *event,
1018                          gpointer data)
1019 {
1020   XEvent *xevent = (XEvent *)xev;
1021   GdkWindow *win = event->any.window;
1022   GdkDisplay *display;
1023   Atom atom;
1024
1025   if (!win)
1026       return GDK_FILTER_REMOVE;
1027
1028   display = GDK_WINDOW_DISPLAY (win);
1029   atom = (Atom)xevent->xclient.data.l[0];
1030
1031   if (atom == gdk_x11_get_xatom_by_name_for_display (display, "WM_DELETE_WINDOW"))
1032     {
1033   /* The delete window request specifies a window
1034    *  to delete. We don't actually destroy the
1035    *  window because "it is only a request". (The
1036    *  window might contain vital data that the
1037    *  program does not want destroyed). Instead
1038    *  the event is passed along to the program,
1039    *  which should then destroy the window.
1040    */
1041       GDK_NOTE (EVENTS,
1042                 g_message ("delete window:\t\twindow: %ld",
1043                            xevent->xclient.window));
1044
1045       event->any.type = GDK_DELETE;
1046
1047       gdk_x11_window_set_user_time (win, xevent->xclient.data.l[1]);
1048
1049       return GDK_FILTER_TRANSLATE;
1050     }
1051   else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "WM_TAKE_FOCUS"))
1052     {
1053       GdkToplevelX11 *toplevel = _gdk_x11_window_get_toplevel (event->any.window);
1054
1055       /* There is no way of knowing reliably whether we are viewable;
1056        * _gdk_x11_set_input_focus_safe() traps errors asynchronously.
1057        */
1058       if (toplevel && win->accept_focus)
1059         _gdk_x11_set_input_focus_safe (display, toplevel->focus_window,
1060                                        RevertToParent,
1061                                        xevent->xclient.data.l[1]);
1062
1063       return GDK_FILTER_REMOVE;
1064     }
1065   else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_PING") &&
1066            !_gdk_x11_display_is_root_window (display,
1067                                              xevent->xclient.window))
1068     {
1069       XClientMessageEvent xclient = xevent->xclient;
1070
1071       xclient.window = GDK_WINDOW_XROOTWIN (win);
1072       XSendEvent (GDK_WINDOW_XDISPLAY (win),
1073                   xclient.window,
1074                   False,
1075                   SubstructureRedirectMask | SubstructureNotifyMask, (XEvent *)&xclient);
1076
1077       return GDK_FILTER_REMOVE;
1078     }
1079   else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_SYNC_REQUEST") &&
1080            GDK_X11_DISPLAY (display)->use_sync)
1081     {
1082       GdkToplevelX11 *toplevel = _gdk_x11_window_get_toplevel (event->any.window);
1083       if (toplevel)
1084         {
1085 #ifdef HAVE_XSYNC
1086           XSyncIntsToValue (&toplevel->pending_counter_value,
1087                             xevent->xclient.data.l[2],
1088                             xevent->xclient.data.l[3]);
1089 #endif
1090         }
1091       return GDK_FILTER_REMOVE;
1092     }
1093
1094   return GDK_FILTER_CONTINUE;
1095 }
1096
1097 static void
1098 gdk_event_init (GdkDisplay *display)
1099 {
1100   GdkX11Display *display_x11;
1101   GdkDeviceManager *device_manager;
1102
1103   display_x11 = GDK_X11_DISPLAY (display);
1104   display_x11->event_source = gdk_x11_event_source_new (display);
1105
1106   gdk_x11_event_source_add_translator ((GdkEventSource *) display_x11->event_source,
1107                                        GDK_EVENT_TRANSLATOR (display));
1108
1109   device_manager = gdk_display_get_device_manager (display);
1110   gdk_x11_event_source_add_translator ((GdkEventSource *) display_x11->event_source,
1111                                         GDK_EVENT_TRANSLATOR (device_manager));
1112
1113   gdk_display_add_client_message_filter (display,
1114                                          gdk_atom_intern_static_string ("WM_PROTOCOLS"),
1115                                          gdk_wm_protocols_filter,
1116                                          NULL);
1117 }
1118
1119 static void
1120 gdk_x11_display_init_input (GdkDisplay *display)
1121 {
1122   GdkX11Display *display_x11;
1123   GdkDeviceManager *device_manager;
1124   GdkDevice *device;
1125   GList *list, *l;
1126
1127   display_x11 = GDK_X11_DISPLAY (display);
1128   device_manager = gdk_display_get_device_manager (display);
1129
1130   /* For backwards compatibility, just add
1131    * floating devices that are not keyboards.
1132    */
1133   list = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_FLOATING);
1134
1135   for (l = list; l; l = l->next)
1136     {
1137       device = l->data;
1138
1139       if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
1140         continue;
1141
1142       display_x11->input_devices = g_list_prepend (display_x11->input_devices,
1143                                                    g_object_ref (l->data));
1144     }
1145
1146   g_list_free (list);
1147
1148   /* Now set "core" pointer to the first
1149    * master device that is a pointer.
1150    */
1151   list = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_MASTER);
1152
1153   for (l = list; l; l = l->next)
1154     {
1155       device = list->data;
1156
1157       if (gdk_device_get_source (device) != GDK_SOURCE_MOUSE)
1158         continue;
1159
1160       display->core_pointer = device;
1161       break;
1162     }
1163
1164   /* Add the core pointer to the devices list */
1165   display_x11->input_devices = g_list_prepend (display_x11->input_devices,
1166                                                g_object_ref (display->core_pointer));
1167
1168   g_list_free (list);
1169 }
1170
1171 static void
1172 set_sm_client_id (GdkDisplay  *display,
1173                   const gchar *sm_client_id)
1174 {
1175   GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
1176
1177   if (gdk_display_is_closed (display))
1178     return;
1179
1180   if (sm_client_id && strcmp (sm_client_id, ""))
1181     XChangeProperty (display_x11->xdisplay, display_x11->leader_window,
1182                      gdk_x11_get_xatom_by_name_for_display (display, "SM_CLIENT_ID"),
1183                      XA_STRING, 8, PropModeReplace, (guchar *)sm_client_id,
1184                      strlen (sm_client_id));
1185   else
1186     XDeleteProperty (display_x11->xdisplay, display_x11->leader_window,
1187                      gdk_x11_get_xatom_by_name_for_display (display, "SM_CLIENT_ID"));
1188 }
1189
1190 /**
1191  * gdk_display_open:
1192  * @display_name: the name of the display to open
1193  *
1194  * Opens a display.
1195  *
1196  * Return value: (transfer none): a #GdkDisplay, or %NULL if the display
1197  *               could not be opened.
1198  *
1199  * Since: 2.2
1200  */
1201 GdkDisplay *
1202 _gdk_x11_display_open (const gchar *display_name)
1203 {
1204   Display *xdisplay;
1205   GdkDisplay *display;
1206   GdkX11Display *display_x11;
1207   GdkWindowAttr attr;
1208   gint argc;
1209   gchar *argv[1];
1210
1211   XClassHint *class_hint;
1212   gulong pid;
1213   gint i;
1214   gint ignore;
1215   gint maj, min;
1216
1217   xdisplay = XOpenDisplay (display_name);
1218   if (!xdisplay)
1219     return NULL;
1220
1221   display = g_object_new (GDK_TYPE_X11_DISPLAY, NULL);
1222   display_x11 = GDK_X11_DISPLAY (display);
1223
1224   display_x11->xdisplay = xdisplay;
1225
1226 #ifdef HAVE_X11R6
1227   /* Set up handlers for Xlib internal connections */
1228   XAddConnectionWatch (xdisplay, gdk_internal_connection_watch, NULL);
1229 #endif /* HAVE_X11R6 */
1230
1231   _gdk_x11_precache_atoms (display, precache_atoms, G_N_ELEMENTS (precache_atoms));
1232
1233   /* RandR must be initialized before we initialize the screens */
1234   display_x11->have_randr13 = FALSE;
1235 #ifdef HAVE_RANDR
1236   if (XRRQueryExtension (display_x11->xdisplay,
1237                          &display_x11->xrandr_event_base, &ignore))
1238   {
1239       int major, minor;
1240
1241       XRRQueryVersion (display_x11->xdisplay, &major, &minor);
1242
1243       if ((major == 1 && minor >= 3) || major > 1)
1244           display_x11->have_randr13 = TRUE;
1245
1246        gdk_x11_register_standard_event_type (display, display_x11->xrandr_event_base, RRNumberEvents);
1247   }
1248 #endif
1249
1250   /* initialize the display's screens */
1251   display_x11->screens = g_new (GdkScreen *, ScreenCount (display_x11->xdisplay));
1252   for (i = 0; i < ScreenCount (display_x11->xdisplay); i++)
1253     display_x11->screens[i] = _gdk_x11_screen_new (display, i);
1254
1255   /* We need to initialize events after we have the screen
1256    * structures in places
1257    */
1258   for (i = 0; i < ScreenCount (display_x11->xdisplay); i++)
1259     _gdk_x11_screen_init_events (display_x11->screens[i]);
1260
1261   /*set the default screen */
1262   display_x11->default_screen = display_x11->screens[DefaultScreen (display_x11->xdisplay)];
1263
1264   display->device_manager = _gdk_x11_device_manager_new (display);
1265
1266   gdk_event_init (display);
1267
1268   attr.window_type = GDK_WINDOW_TOPLEVEL;
1269   attr.wclass = GDK_INPUT_OUTPUT;
1270   attr.x = 10;
1271   attr.y = 10;
1272   attr.width = 10;
1273   attr.height = 10;
1274   attr.event_mask = 0;
1275
1276   display_x11->leader_gdk_window = gdk_window_new (GDK_X11_SCREEN (display_x11->default_screen)->root_window,
1277                                                    &attr, GDK_WA_X | GDK_WA_Y);
1278   (_gdk_x11_window_get_toplevel (display_x11->leader_gdk_window))->is_leader = TRUE;
1279
1280   display_x11->leader_window = GDK_WINDOW_XID (display_x11->leader_gdk_window);
1281
1282   display_x11->leader_window_title_set = FALSE;
1283
1284 #ifdef HAVE_XFIXES
1285   if (XFixesQueryExtension (display_x11->xdisplay,
1286                             &display_x11->xfixes_event_base,
1287                             &ignore))
1288     {
1289       display_x11->have_xfixes = TRUE;
1290
1291       gdk_x11_register_standard_event_type (display,
1292                                             display_x11->xfixes_event_base,
1293                                             XFixesNumberEvents);
1294     }
1295   else
1296 #endif
1297     display_x11->have_xfixes = FALSE;
1298
1299 #ifdef HAVE_XCOMPOSITE
1300   if (XCompositeQueryExtension (display_x11->xdisplay,
1301                                 &ignore, &ignore))
1302     {
1303       int major, minor;
1304
1305       XCompositeQueryVersion (display_x11->xdisplay, &major, &minor);
1306
1307       /* Prior to Composite version 0.4, composited windows clipped their
1308        * parents, so you had to use IncludeInferiors to draw to the parent
1309        * This isn't useful for our purposes, so require 0.4
1310        */
1311       display_x11->have_xcomposite = major > 0 || (major == 0 && minor >= 4);
1312     }
1313   else
1314 #endif
1315     display_x11->have_xcomposite = FALSE;
1316
1317 #ifdef HAVE_XDAMAGE
1318   if (XDamageQueryExtension (display_x11->xdisplay,
1319                              &display_x11->xdamage_event_base,
1320                              &ignore))
1321     {
1322       display_x11->have_xdamage = TRUE;
1323
1324       gdk_x11_register_standard_event_type (display,
1325                                             display_x11->xdamage_event_base,
1326                                             XDamageNumberEvents);
1327     }
1328   else
1329 #endif
1330     display_x11->have_xdamage = FALSE;
1331
1332   display_x11->have_shapes = FALSE;
1333   display_x11->have_input_shapes = FALSE;
1334
1335   if (XShapeQueryExtension (GDK_DISPLAY_XDISPLAY (display), &display_x11->shape_event_base, &ignore))
1336     {
1337       display_x11->have_shapes = TRUE;
1338 #ifdef ShapeInput
1339       if (XShapeQueryVersion (GDK_DISPLAY_XDISPLAY (display), &maj, &min))
1340         display_x11->have_input_shapes = (maj == 1 && min >= 1);
1341 #endif
1342     }
1343
1344   display_x11->trusted_client = TRUE;
1345   {
1346     Window root, child;
1347     int rootx, rooty, winx, winy;
1348     unsigned int xmask;
1349
1350     gdk_x11_display_error_trap_push (display);
1351     XQueryPointer (display_x11->xdisplay,
1352                    GDK_X11_SCREEN (display_x11->default_screen)->xroot_window,
1353                    &root, &child, &rootx, &rooty, &winx, &winy, &xmask);
1354     if (G_UNLIKELY (gdk_x11_display_error_trap_pop (display) == BadWindow))
1355       {
1356         g_warning ("Connection to display %s appears to be untrusted. Pointer and keyboard grabs and inter-client communication may not work as expected.", gdk_display_get_name (display));
1357         display_x11->trusted_client = FALSE;
1358       }
1359   }
1360
1361   if (g_getenv ("GDK_SYNCHRONIZE"))
1362     XSynchronize (display_x11->xdisplay, True);
1363
1364   class_hint = XAllocClassHint();
1365   class_hint->res_name = g_get_prgname ();
1366
1367   class_hint->res_class = (char *)gdk_get_program_class ();
1368
1369   /* XmbSetWMProperties sets the RESOURCE_NAME environment variable
1370    * from argv[0], so we just synthesize an argument array here.
1371    */
1372   argc = 1;
1373   argv[0] = g_get_prgname ();
1374
1375   XmbSetWMProperties (display_x11->xdisplay,
1376                       display_x11->leader_window,
1377                       NULL, NULL, argv, argc, NULL, NULL,
1378                       class_hint);
1379   XFree (class_hint);
1380
1381   if (gdk_sm_client_id)
1382     set_sm_client_id (display, gdk_sm_client_id);
1383
1384   pid = getpid ();
1385   XChangeProperty (display_x11->xdisplay,
1386                    display_x11->leader_window,
1387                    gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_PID"),
1388                    XA_CARDINAL, 32, PropModeReplace, (guchar *) & pid, 1);
1389
1390   /* We don't yet know a valid time. */
1391   display_x11->user_time = 0;
1392
1393 #ifdef HAVE_XKB
1394   {
1395     gint xkb_major = XkbMajorVersion;
1396     gint xkb_minor = XkbMinorVersion;
1397     if (XkbLibraryVersion (&xkb_major, &xkb_minor))
1398       {
1399         xkb_major = XkbMajorVersion;
1400         xkb_minor = XkbMinorVersion;
1401
1402         if (XkbQueryExtension (display_x11->xdisplay,
1403                                NULL, &display_x11->xkb_event_type, NULL,
1404                                &xkb_major, &xkb_minor))
1405           {
1406             Bool detectable_autorepeat_supported;
1407
1408             display_x11->use_xkb = TRUE;
1409
1410             XkbSelectEvents (display_x11->xdisplay,
1411                              XkbUseCoreKbd,
1412                              XkbNewKeyboardNotifyMask | XkbMapNotifyMask | XkbStateNotifyMask,
1413                              XkbNewKeyboardNotifyMask | XkbMapNotifyMask | XkbStateNotifyMask);
1414
1415             /* keep this in sync with _gdk_x11_keymap_state_changed() */
1416             XkbSelectEventDetails (display_x11->xdisplay,
1417                                    XkbUseCoreKbd, XkbStateNotify,
1418                                    XkbAllStateComponentsMask,
1419                                    XkbGroupLockMask|XkbModifierLockMask);
1420
1421             XkbSetDetectableAutoRepeat (display_x11->xdisplay,
1422                                         True,
1423                                         &detectable_autorepeat_supported);
1424
1425             GDK_NOTE (MISC, g_message ("Detectable autorepeat %s.",
1426                                        detectable_autorepeat_supported ?
1427                                        "supported" : "not supported"));
1428
1429             display_x11->have_xkb_autorepeat = detectable_autorepeat_supported;
1430           }
1431       }
1432   }
1433 #endif
1434
1435   display_x11->use_sync = FALSE;
1436 #ifdef HAVE_XSYNC
1437   {
1438     int major, minor;
1439     int error_base, event_base;
1440
1441     if (XSyncQueryExtension (display_x11->xdisplay,
1442                              &event_base, &error_base) &&
1443         XSyncInitialize (display_x11->xdisplay,
1444                          &major, &minor))
1445       display_x11->use_sync = TRUE;
1446   }
1447 #endif
1448
1449   gdk_x11_display_init_input (display);
1450   _gdk_x11_display_init_dnd (display);
1451
1452   for (i = 0; i < ScreenCount (display_x11->xdisplay); i++)
1453     _gdk_x11_screen_setup (display_x11->screens[i]);
1454
1455   g_signal_emit_by_name (display, "opened");
1456   g_signal_emit_by_name (gdk_display_manager_get (), "display-opened", display);
1457
1458   return display;
1459 }
1460
1461 #ifdef HAVE_X11R6
1462 /*
1463  * XLib internal connection handling
1464  */
1465 typedef struct _GdkInternalConnection GdkInternalConnection;
1466
1467 struct _GdkInternalConnection
1468 {
1469   gint           fd;
1470   GSource       *source;
1471   Display       *display;
1472 };
1473
1474 static gboolean
1475 process_internal_connection (GIOChannel  *gioc,
1476                              GIOCondition cond,
1477                              gpointer     data)
1478 {
1479   GdkInternalConnection *connection = (GdkInternalConnection *)data;
1480
1481   GDK_THREADS_ENTER ();
1482
1483   XProcessInternalConnection ((Display*)connection->display, connection->fd);
1484
1485   GDK_THREADS_LEAVE ();
1486
1487   return TRUE;
1488 }
1489
1490 static gulong
1491 gdk_x11_display_get_next_serial (GdkDisplay *display)
1492 {
1493   return NextRequest (GDK_DISPLAY_XDISPLAY (display));
1494 }
1495
1496
1497 static GdkInternalConnection *
1498 gdk_add_connection_handler (Display *display,
1499                             guint    fd)
1500 {
1501   GIOChannel *io_channel;
1502   GdkInternalConnection *connection;
1503
1504   connection = g_new (GdkInternalConnection, 1);
1505
1506   connection->fd = fd;
1507   connection->display = display;
1508
1509   io_channel = g_io_channel_unix_new (fd);
1510
1511   connection->source = g_io_create_watch (io_channel, G_IO_IN);
1512   g_source_set_callback (connection->source,
1513                          (GSourceFunc)process_internal_connection, connection, NULL);
1514   g_source_attach (connection->source, NULL);
1515
1516   g_io_channel_unref (io_channel);
1517
1518   return connection;
1519 }
1520
1521 static void
1522 gdk_remove_connection_handler (GdkInternalConnection *connection)
1523 {
1524   g_source_destroy (connection->source);
1525   g_free (connection);
1526 }
1527
1528 static void
1529 gdk_internal_connection_watch (Display  *display,
1530                                XPointer  arg,
1531                                gint      fd,
1532                                gboolean  opening,
1533                                XPointer *watch_data)
1534 {
1535   if (opening)
1536     *watch_data = (XPointer)gdk_add_connection_handler (display, fd);
1537   else
1538     gdk_remove_connection_handler ((GdkInternalConnection *)*watch_data);
1539 }
1540 #endif /* HAVE_X11R6 */
1541
1542 static G_CONST_RETURN gchar *
1543 gdk_x11_display_get_name (GdkDisplay *display)
1544 {
1545   return (gchar *) DisplayString (GDK_X11_DISPLAY (display)->xdisplay);
1546 }
1547
1548 static gint
1549 gdk_x11_display_get_n_screens (GdkDisplay *display)
1550 {
1551   return ScreenCount (GDK_X11_DISPLAY (display)->xdisplay);
1552 }
1553
1554 static GdkScreen *
1555 gdk_x11_display_get_screen (GdkDisplay *display,
1556                             gint        screen_num)
1557 {
1558   g_return_val_if_fail (ScreenCount (GDK_X11_DISPLAY (display)->xdisplay) > screen_num, NULL);
1559
1560   return GDK_X11_DISPLAY (display)->screens[screen_num];
1561 }
1562
1563 static GdkScreen *
1564 gdk_x11_display_get_default_screen (GdkDisplay *display)
1565 {
1566   return GDK_X11_DISPLAY (display)->default_screen;
1567 }
1568
1569 gboolean
1570 _gdk_x11_display_is_root_window (GdkDisplay *display,
1571                                  Window      xroot_window)
1572 {
1573   GdkX11Display *display_x11;
1574   gint i;
1575
1576   display_x11 = GDK_X11_DISPLAY (display);
1577
1578   for (i = 0; i < ScreenCount (display_x11->xdisplay); i++)
1579     {
1580       if (GDK_SCREEN_XROOTWIN (display_x11->screens[i]) == xroot_window)
1581         return TRUE;
1582     }
1583   return FALSE;
1584 }
1585
1586 struct XPointerUngrabInfo {
1587   GdkDisplay *display;
1588   guint32 time;
1589 };
1590
1591 #define XSERVER_TIME_IS_LATER(time1, time2)                        \
1592   ( (( time1 > time2 ) && ( time1 - time2 < ((guint32)-1)/2 )) ||  \
1593     (( time1 < time2 ) && ( time2 - time1 > ((guint32)-1)/2 ))     \
1594   )
1595
1596 void
1597 _gdk_x11_display_update_grab_info (GdkDisplay *display,
1598                                    GdkDevice  *device,
1599                                    gint        status)
1600 {
1601   if (status == GrabSuccess)
1602     _gdk_x11_roundtrip_async (display,
1603                               (GdkRoundTripCallback)_gdk_display_device_grab_update,
1604                               device);
1605 }
1606
1607 void
1608 _gdk_x11_display_update_grab_info_ungrab (GdkDisplay *display,
1609                                           GdkDevice  *device,
1610                                           guint32     time,
1611                                           gulong      serial)
1612 {
1613   GdkDeviceGrabInfo *grab;
1614
1615   XFlush (GDK_DISPLAY_XDISPLAY (display));
1616
1617   grab = _gdk_display_get_last_device_grab (display, device);
1618   if (grab &&
1619       (time == GDK_CURRENT_TIME ||
1620        grab->time == GDK_CURRENT_TIME ||
1621        !XSERVER_TIME_IS_LATER (grab->time, time)))
1622     {
1623       grab->serial_end = serial;
1624       _gdk_x11_roundtrip_async (display,
1625                                 (GdkRoundTripCallback)_gdk_display_device_grab_update,
1626                                 device);
1627     }
1628 }
1629
1630 static void
1631 gdk_x11_display_beep (GdkDisplay *display)
1632 {
1633 #ifdef HAVE_XKB
1634   XkbBell (GDK_DISPLAY_XDISPLAY (display), None, 0, None);
1635 #else
1636   XBell (GDK_DISPLAY_XDISPLAY (display), 0);
1637 #endif
1638 }
1639
1640 static void
1641 gdk_x11_display_sync (GdkDisplay *display)
1642 {
1643   XSync (GDK_DISPLAY_XDISPLAY (display), False);
1644 }
1645
1646 static void
1647 gdk_x11_display_flush (GdkDisplay *display)
1648 {
1649   if (!display->closed)
1650     XFlush (GDK_DISPLAY_XDISPLAY (display));
1651 }
1652
1653 static gboolean
1654 gdk_x11_display_has_pending (GdkDisplay *display)
1655 {
1656   return XPending (GDK_DISPLAY_XDISPLAY (display));
1657 }
1658
1659 static GdkWindow *
1660 gdk_x11_display_get_default_group (GdkDisplay *display)
1661 {
1662   g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
1663
1664   return GDK_X11_DISPLAY (display)->leader_gdk_window;
1665 }
1666
1667 /**
1668  * gdk_x11_display_grab:
1669  * @display: a #GdkDisplay
1670  *
1671  * Call XGrabServer() on @display.
1672  * To ungrab the display again, use gdk_x11_display_ungrab().
1673  *
1674  * gdk_x11_display_grab()/gdk_x11_display_ungrab() calls can be nested.
1675  *
1676  * Since: 2.2
1677  **/
1678 void
1679 gdk_x11_display_grab (GdkDisplay *display)
1680 {
1681   GdkX11Display *display_x11;
1682
1683   g_return_if_fail (GDK_IS_DISPLAY (display));
1684
1685   display_x11 = GDK_X11_DISPLAY (display);
1686
1687   if (display_x11->grab_count == 0)
1688     XGrabServer (display_x11->xdisplay);
1689   display_x11->grab_count++;
1690 }
1691
1692 /**
1693  * gdk_x11_display_ungrab:
1694  * @display: a #GdkDisplay
1695  *
1696  * Ungrab @display after it has been grabbed with
1697  * gdk_x11_display_grab().
1698  *
1699  * Since: 2.2
1700  **/
1701 void
1702 gdk_x11_display_ungrab (GdkDisplay *display)
1703 {
1704   GdkX11Display *display_x11;
1705
1706   g_return_if_fail (GDK_IS_DISPLAY (display));
1707
1708   display_x11 = GDK_X11_DISPLAY (display);;
1709   g_return_if_fail (display_x11->grab_count > 0);
1710
1711   display_x11->grab_count--;
1712   if (display_x11->grab_count == 0)
1713     {
1714       XUngrabServer (display_x11->xdisplay);
1715       XFlush (display_x11->xdisplay);
1716     }
1717 }
1718
1719 static void
1720 gdk_x11_display_dispose (GObject *object)
1721 {
1722   GdkDisplay *display = GDK_DISPLAY (object);
1723   GdkX11Display *display_x11 = GDK_X11_DISPLAY (object);
1724   gint           i;
1725
1726   _gdk_x11_display_manager_remove_display (gdk_display_manager_get (), display);
1727
1728   g_list_foreach (display_x11->input_devices, (GFunc) g_object_run_dispose, NULL);
1729
1730   for (i = 0; i < ScreenCount (display_x11->xdisplay); i++)
1731     _gdk_screen_close (display_x11->screens[i]);
1732
1733   if (display_x11->event_source)
1734     {
1735       g_source_destroy (display_x11->event_source);
1736       g_source_unref (display_x11->event_source);
1737       display_x11->event_source = NULL;
1738     }
1739
1740   G_OBJECT_CLASS (gdk_x11_display_parent_class)->dispose (object);
1741 }
1742
1743 static void
1744 gdk_x11_display_finalize (GObject *object)
1745 {
1746   GdkX11Display *display_x11 = GDK_X11_DISPLAY (object);
1747   gint           i;
1748
1749   /* Keymap */
1750   if (display_x11->keymap)
1751     g_object_unref (display_x11->keymap);
1752
1753   /* Free motif Dnd */
1754   if (display_x11->motif_target_lists)
1755     {
1756       for (i = 0; i < display_x11->motif_n_target_lists; i++)
1757         g_list_free (display_x11->motif_target_lists[i]);
1758       g_free (display_x11->motif_target_lists);
1759     }
1760
1761   _gdk_x11_cursor_display_finalize (GDK_DISPLAY (display_x11));
1762
1763   /* Atom Hashtable */
1764   g_hash_table_destroy (display_x11->atom_from_virtual);
1765   g_hash_table_destroy (display_x11->atom_to_virtual);
1766
1767   /* Leader Window */
1768   XDestroyWindow (display_x11->xdisplay, display_x11->leader_window);
1769
1770   /* list of filters for client messages */
1771   g_list_foreach (display_x11->client_filters, (GFunc) g_free, NULL);
1772   g_list_free (display_x11->client_filters);
1773
1774   /* List of event window extraction functions */
1775   g_slist_foreach (display_x11->event_types, (GFunc)g_free, NULL);
1776   g_slist_free (display_x11->event_types);
1777
1778   /* input GdkDevice list */
1779   g_list_foreach (display_x11->input_devices, (GFunc) g_object_unref, NULL);
1780   g_list_free (display_x11->input_devices);
1781
1782   /* input GdkWindow list */
1783   g_list_foreach (display_x11->input_windows, (GFunc) g_free, NULL);
1784   g_list_free (display_x11->input_windows);
1785
1786   /* Free all GdkScreens */
1787   for (i = 0; i < ScreenCount (display_x11->xdisplay); i++)
1788     g_object_unref (display_x11->screens[i]);
1789   g_free (display_x11->screens);
1790
1791   g_free (display_x11->startup_notification_id);
1792
1793   /* X ID hashtable */
1794   g_hash_table_destroy (display_x11->xid_ht);
1795
1796   XCloseDisplay (display_x11->xdisplay);
1797
1798   /* error traps */
1799   while (display_x11->error_traps != NULL)
1800     {
1801       GdkErrorTrap *trap = display_x11->error_traps->data;
1802
1803       display_x11->error_traps =
1804         g_slist_delete_link (display_x11->error_traps,
1805                              display_x11->error_traps);
1806
1807       if (trap->end_sequence == 0)
1808         g_warning ("Display finalized with an unpopped error trap");
1809
1810       g_slice_free (GdkErrorTrap, trap);
1811     }
1812
1813   G_OBJECT_CLASS (gdk_x11_display_parent_class)->finalize (object);
1814 }
1815
1816 /**
1817  * gdk_x11_lookup_xdisplay:
1818  * @xdisplay: a pointer to an X Display
1819  *
1820  * Find the #GdkDisplay corresponding to @display, if any exists.
1821  *
1822  * Return value: (transfer none): the #GdkDisplay, if found, otherwise %NULL.
1823  *
1824  * Since: 2.2
1825  **/
1826 GdkDisplay *
1827 gdk_x11_lookup_xdisplay (Display *xdisplay)
1828 {
1829   GSList *list, *l;
1830   GdkDisplay *display;
1831
1832   display = NULL;
1833
1834   list = gdk_display_manager_list_displays (gdk_display_manager_get ());
1835
1836   for (l = list; l; l = l->next)
1837     {
1838       if (GDK_DISPLAY_XDISPLAY (l->data) == xdisplay)
1839         {
1840           display = l->data;
1841           break;
1842         }
1843     }
1844
1845   g_slist_free (list);
1846
1847   return display;
1848 }
1849
1850 /**
1851  * _gdk_x11_display_screen_for_xrootwin:
1852  * @display: a #GdkDisplay
1853  * @xrootwin: window ID for one of of the screen's of the display.
1854  *
1855  * Given the root window ID of one of the screen's of a #GdkDisplay,
1856  * finds the screen.
1857  *
1858  * Return value: the #GdkScreen corresponding to @xrootwin, or %NULL.
1859  **/
1860 GdkScreen *
1861 _gdk_x11_display_screen_for_xrootwin (GdkDisplay *display,
1862                                       Window      xrootwin)
1863 {
1864   gint i;
1865
1866   for (i = 0; i < ScreenCount (GDK_X11_DISPLAY (display)->xdisplay); i++)
1867     {
1868       GdkScreen *screen = gdk_display_get_screen (display, i);
1869       if (GDK_SCREEN_XROOTWIN (screen) == xrootwin)
1870         return screen;
1871     }
1872
1873   return NULL;
1874 }
1875
1876 /**
1877  * gdk_x11_display_get_xdisplay:
1878  * @display: a #GdkDisplay
1879  * @returns: an X display.
1880  *
1881  * Returns the X display of a #GdkDisplay.
1882  *
1883  * Since: 2.2
1884  */
1885 Display *
1886 gdk_x11_display_get_xdisplay (GdkDisplay *display)
1887 {
1888   g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
1889   return GDK_X11_DISPLAY (display)->xdisplay;
1890 }
1891
1892 void
1893 _gdk_x11_display_make_default (GdkDisplay *display)
1894 {
1895   GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
1896   const gchar *startup_id;
1897
1898   g_free (display_x11->startup_notification_id);
1899   display_x11->startup_notification_id = NULL;
1900
1901   startup_id = g_getenv ("DESKTOP_STARTUP_ID");
1902   if (startup_id && *startup_id != '\0')
1903     {
1904       if (!g_utf8_validate (startup_id, -1, NULL))
1905         g_warning ("DESKTOP_STARTUP_ID contains invalid UTF-8");
1906       else
1907         gdk_x11_display_set_startup_notification_id (display, startup_id);
1908
1909       /* Clear the environment variable so it won't be inherited by
1910        * child processes and confuse things.
1911        */
1912       g_unsetenv ("DESKTOP_STARTUP_ID");
1913     }
1914 }
1915
1916 static void
1917 broadcast_xmessage (GdkDisplay *display,
1918                     const char *message_type,
1919                     const char *message_type_begin,
1920                     const char *message)
1921 {
1922   Display *xdisplay = GDK_DISPLAY_XDISPLAY (display);
1923   GdkScreen *screen = gdk_display_get_default_screen (display);
1924   GdkWindow *root_window = gdk_screen_get_root_window (screen);
1925   Window xroot_window = GDK_WINDOW_XID (root_window);
1926
1927   Atom type_atom;
1928   Atom type_atom_begin;
1929   Window xwindow;
1930
1931   if (!G_LIKELY (GDK_X11_DISPLAY (display)->trusted_client))
1932     return;
1933
1934   {
1935     XSetWindowAttributes attrs;
1936
1937     attrs.override_redirect = True;
1938     attrs.event_mask = PropertyChangeMask | StructureNotifyMask;
1939
1940     xwindow =
1941       XCreateWindow (xdisplay,
1942                      xroot_window,
1943                      -100, -100, 1, 1,
1944                      0,
1945                      CopyFromParent,
1946                      CopyFromParent,
1947                      (Visual *)CopyFromParent,
1948                      CWOverrideRedirect | CWEventMask,
1949                      &attrs);
1950   }
1951
1952   type_atom = gdk_x11_get_xatom_by_name_for_display (display,
1953                                                      message_type);
1954   type_atom_begin = gdk_x11_get_xatom_by_name_for_display (display,
1955                                                            message_type_begin);
1956
1957   {
1958     XClientMessageEvent xclient;
1959     const char *src;
1960     const char *src_end;
1961     char *dest;
1962     char *dest_end;
1963
1964                 memset(&xclient, 0, sizeof (xclient));
1965     xclient.type = ClientMessage;
1966     xclient.message_type = type_atom_begin;
1967     xclient.display =xdisplay;
1968     xclient.window = xwindow;
1969     xclient.format = 8;
1970
1971     src = message;
1972     src_end = message + strlen (message) + 1; /* +1 to include nul byte */
1973
1974     while (src != src_end)
1975       {
1976         dest = &xclient.data.b[0];
1977         dest_end = dest + 20;
1978
1979         while (dest != dest_end &&
1980                src != src_end)
1981           {
1982             *dest = *src;
1983             ++dest;
1984             ++src;
1985           }
1986
1987         while (dest != dest_end)
1988           {
1989             *dest = 0;
1990             ++dest;
1991           }
1992
1993         XSendEvent (xdisplay,
1994                     xroot_window,
1995                     False,
1996                     PropertyChangeMask,
1997                     (XEvent *)&xclient);
1998
1999         xclient.message_type = type_atom;
2000       }
2001   }
2002
2003   XDestroyWindow (xdisplay, xwindow);
2004   XFlush (xdisplay);
2005 }
2006
2007 /**
2008  * gdk_x11_display_broadcast_startup_message:
2009  * @display: a #GdkDisplay
2010  * @message_type: startup notification message type ("new", "change",
2011  * or "remove")
2012  * @...: a list of key/value pairs (as strings), terminated by a
2013  * %NULL key. (A %NULL value for a key will cause that key to be
2014  * skipped in the output.)
2015  *
2016  * Sends a startup notification message of type @message_type to
2017  * @display.
2018  *
2019  * This is a convenience function for use by code that implements the
2020  * freedesktop startup notification specification. Applications should
2021  * not normally need to call it directly. See the <ulink
2022  * url="http://standards.freedesktop.org/startup-notification-spec/startup-notification-latest.txt">Startup
2023  * Notification Protocol specification</ulink> for
2024  * definitions of the message types and keys that can be used.
2025  *
2026  * Since: 2.12
2027  **/
2028 void
2029 gdk_x11_display_broadcast_startup_message (GdkDisplay *display,
2030                                            const char *message_type,
2031                                            ...)
2032 {
2033   GString *message;
2034   va_list ap;
2035   const char *key, *value, *p;
2036
2037   message = g_string_new (message_type);
2038   g_string_append_c (message, ':');
2039
2040   va_start (ap, message_type);
2041   while ((key = va_arg (ap, const char *)))
2042     {
2043       value = va_arg (ap, const char *);
2044       if (!value)
2045         continue;
2046
2047       g_string_append_printf (message, " %s=\"", key);
2048       for (p = value; *p; p++)
2049         {
2050           switch (*p)
2051             {
2052             case ' ':
2053             case '"':
2054             case '\\':
2055               g_string_append_c (message, '\\');
2056               break;
2057             }
2058
2059           g_string_append_c (message, *p);
2060         }
2061       g_string_append_c (message, '\"');
2062     }
2063   va_end (ap);
2064
2065   broadcast_xmessage (display,
2066                       "_NET_STARTUP_INFO",
2067                       "_NET_STARTUP_INFO_BEGIN",
2068                       message->str);
2069
2070   g_string_free (message, TRUE);
2071 }
2072
2073 static void
2074 gdk_x11_display_notify_startup_complete (GdkDisplay  *display,
2075                                          const gchar *startup_id)
2076 {
2077   if (startup_id == NULL)
2078     {
2079       startup_id = GDK_X11_DISPLAY (display)->startup_notification_id;
2080       if (startup_id == NULL)
2081         return;
2082     }
2083
2084   gdk_x11_display_broadcast_startup_message (display, "remove",
2085                                              "ID", startup_id,
2086                                              NULL);
2087 }
2088
2089 static gboolean
2090 gdk_x11_display_supports_selection_notification (GdkDisplay *display)
2091 {
2092   GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
2093
2094   return display_x11->have_xfixes;
2095 }
2096
2097 static gboolean
2098 gdk_x11_display_request_selection_notification (GdkDisplay *display,
2099                                                 GdkAtom     selection)
2100
2101 {
2102 #ifdef HAVE_XFIXES
2103   GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
2104   Atom atom;
2105
2106   if (display_x11->have_xfixes)
2107     {
2108       atom = gdk_x11_atom_to_xatom_for_display (display,
2109                                                 selection);
2110       XFixesSelectSelectionInput (display_x11->xdisplay,
2111                                   display_x11->leader_window,
2112                                   atom,
2113                                   XFixesSetSelectionOwnerNotifyMask |
2114                                   XFixesSelectionWindowDestroyNotifyMask |
2115                                   XFixesSelectionClientCloseNotifyMask);
2116       return TRUE;
2117     }
2118   else
2119 #endif
2120     return FALSE;
2121 }
2122
2123 static gboolean
2124 gdk_x11_display_supports_clipboard_persistence (GdkDisplay *display)
2125 {
2126   Atom clipboard_manager;
2127
2128   /* It might make sense to cache this */
2129   clipboard_manager = gdk_x11_get_xatom_by_name_for_display (display, "CLIPBOARD_MANAGER");
2130   return XGetSelectionOwner (GDK_X11_DISPLAY (display)->xdisplay, clipboard_manager) != None;
2131 }
2132
2133 static void
2134 gdk_x11_display_store_clipboard (GdkDisplay    *display,
2135                                  GdkWindow     *clipboard_window,
2136                                  guint32        time_,
2137                                  const GdkAtom *targets,
2138                                  gint           n_targets)
2139 {
2140   GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
2141   Atom clipboard_manager, save_targets;
2142
2143   g_return_if_fail (GDK_WINDOW_IS_X11 (clipboard_window));
2144
2145   clipboard_manager = gdk_x11_get_xatom_by_name_for_display (display, "CLIPBOARD_MANAGER");
2146   save_targets = gdk_x11_get_xatom_by_name_for_display (display, "SAVE_TARGETS");
2147
2148   gdk_x11_display_error_trap_push (display);
2149
2150   if (XGetSelectionOwner (display_x11->xdisplay, clipboard_manager) != None)
2151     {
2152       Atom property_name = None;
2153       Atom *xatoms;
2154       int i;
2155
2156       if (n_targets > 0)
2157         {
2158           property_name = gdk_x11_get_xatom_by_name_for_display (display, "GDK_SELECTION");
2159
2160           xatoms = g_new (Atom, n_targets);
2161           for (i = 0; i < n_targets; i++)
2162             xatoms[i] = gdk_x11_atom_to_xatom_for_display (display, targets[i]);
2163
2164           XChangeProperty (display_x11->xdisplay, GDK_WINDOW_XID (clipboard_window),
2165                            property_name, XA_ATOM,
2166                            32, PropModeReplace, (guchar *)xatoms, n_targets);
2167           g_free (xatoms);
2168
2169         }
2170
2171       XConvertSelection (display_x11->xdisplay,
2172                          clipboard_manager, save_targets, property_name,
2173                          GDK_WINDOW_XID (clipboard_window), time_);
2174
2175     }
2176   gdk_x11_display_error_trap_pop_ignored (display);
2177
2178 }
2179
2180 /**
2181  * gdk_x11_display_get_user_time:
2182  * @display: a #GdkDisplay
2183  *
2184  * Returns the timestamp of the last user interaction on
2185  * @display. The timestamp is taken from events caused
2186  * by user interaction such as key presses or pointer
2187  * movements. See gdk_x11_window_set_user_time().
2188  *
2189  * Returns: the timestamp of the last user interaction
2190  *
2191  * Since: 2.8
2192  */
2193 guint32
2194 gdk_x11_display_get_user_time (GdkDisplay *display)
2195 {
2196   return GDK_X11_DISPLAY (display)->user_time;
2197 }
2198
2199 static gboolean
2200 gdk_x11_display_supports_shapes (GdkDisplay *display)
2201 {
2202   return GDK_X11_DISPLAY (display)->have_shapes;
2203 }
2204
2205 static gboolean
2206 gdk_x11_display_supports_input_shapes (GdkDisplay *display)
2207 {
2208   return GDK_X11_DISPLAY (display)->have_input_shapes;
2209 }
2210
2211
2212 /**
2213  * gdk_x11_display_get_startup_notification_id:
2214  * @display: a #GdkDisplay
2215  *
2216  * Gets the startup notification ID for a display.
2217  *
2218  * Returns: the startup notification ID for @display
2219  *
2220  * Since: 2.12
2221  */
2222 G_CONST_RETURN gchar *
2223 gdk_x11_display_get_startup_notification_id (GdkDisplay *display)
2224 {
2225   return GDK_X11_DISPLAY (display)->startup_notification_id;
2226 }
2227
2228 /**
2229  * gdk_x11_display_set_startup_notification_id:
2230  * @display: a #GdkDisplay
2231  * @startup_id: the startup notification ID (must be valid utf8)
2232  *
2233  * Sets the startup notification ID for a display.
2234  *
2235  * This is usually taken from the value of the DESKTOP_STARTUP_ID
2236  * environment variable, but in some cases (such as the application not
2237  * being launched using exec()) it can come from other sources.
2238  *
2239  * If the ID contains the string "_TIME" then the portion following that
2240  * string is taken to be the X11 timestamp of the event that triggered
2241  * the application to be launched and the GDK current event time is set
2242  * accordingly.
2243  *
2244  * The startup ID is also what is used to signal that the startup is
2245  * complete (for example, when opening a window or when calling
2246  * gdk_notify_startup_complete()).
2247  *
2248  * Since: 3.0
2249  **/
2250 void
2251 gdk_x11_display_set_startup_notification_id (GdkDisplay  *display,
2252                                              const gchar *startup_id)
2253 {
2254   GdkX11Display *display_x11;
2255   gchar *time_str;
2256
2257   display_x11 = GDK_X11_DISPLAY (display);
2258
2259   g_free (display_x11->startup_notification_id);
2260   display_x11->startup_notification_id = g_strdup (startup_id);
2261
2262   /* Find the launch time from the startup_id, if it's there.  Newer spec
2263    * states that the startup_id is of the form <unique>_TIME<timestamp>
2264    */
2265   time_str = g_strrstr (startup_id, "_TIME");
2266   if (time_str != NULL)
2267     {
2268       gulong retval;
2269       gchar *end;
2270       errno = 0;
2271
2272       /* Skip past the "_TIME" part */
2273       time_str += 5;
2274
2275       retval = strtoul (time_str, &end, 0);
2276       if (end != time_str && errno == 0)
2277         display_x11->user_time = retval;
2278     }
2279
2280   /* Set the startup id on the leader window so it
2281    * applies to all windows we create on this display
2282    */
2283   XChangeProperty (display_x11->xdisplay,
2284                    display_x11->leader_window,
2285                    gdk_x11_get_xatom_by_name_for_display (display, "_NET_STARTUP_ID"),
2286                    gdk_x11_get_xatom_by_name_for_display (display, "UTF8_STRING"), 8,
2287                    PropModeReplace,
2288                    (guchar *)startup_id, strlen (startup_id));
2289 }
2290
2291 static gboolean
2292 gdk_x11_display_supports_composite (GdkDisplay *display)
2293 {
2294   GdkX11Display *x11_display = GDK_X11_DISPLAY (display);
2295
2296   return x11_display->have_xcomposite &&
2297          x11_display->have_xdamage &&
2298          x11_display->have_xfixes;
2299 }
2300
2301 static GList *
2302 gdk_x11_display_list_devices (GdkDisplay *display)
2303 {
2304   g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
2305
2306   return GDK_X11_DISPLAY (display)->input_devices;
2307 }
2308
2309 static gboolean
2310 gdk_x11_display_send_client_message (GdkDisplay     *display,
2311                                      GdkEvent       *event,
2312                                      GdkNativeWindow winid)
2313 {
2314   XEvent sev;
2315
2316   g_return_val_if_fail(event != NULL, FALSE);
2317
2318   /* Set up our event to send, with the exception of its target window */
2319   sev.xclient.type = ClientMessage;
2320   sev.xclient.display = GDK_DISPLAY_XDISPLAY (display);
2321   sev.xclient.format = event->client.data_format;
2322   sev.xclient.window = winid;
2323   memcpy(&sev.xclient.data, &event->client.data, sizeof (sev.xclient.data));
2324   sev.xclient.message_type = gdk_x11_atom_to_xatom_for_display (display, event->client.message_type);
2325
2326   return _gdk_x11_display_send_xevent (display, winid, False, NoEventMask, &sev);
2327 }
2328
2329 static void
2330 gdk_x11_display_add_client_message_filter (GdkDisplay   *display,
2331                                            GdkAtom       message_type,
2332                                            GdkFilterFunc func,
2333                                            gpointer      data)
2334 {
2335   GdkClientFilter *filter;
2336   g_return_if_fail (GDK_IS_DISPLAY (display));
2337   filter = g_new (GdkClientFilter, 1);
2338
2339   filter->type = message_type;
2340   filter->function = func;
2341   filter->data = data;
2342
2343   GDK_X11_DISPLAY(display)->client_filters =
2344     g_list_append (GDK_X11_DISPLAY (display)->client_filters,
2345                    filter);
2346 }
2347
2348 /**
2349  * gdk_x11_register_standard_event_type:
2350  * @display: a #GdkDisplay
2351  * @event_base: first event type code to register
2352  * @n_events: number of event type codes to register
2353  *
2354  * Registers interest in receiving extension events with type codes
2355  * between @event_base and <literal>event_base + n_events - 1</literal>.
2356  * The registered events must have the window field in the same place
2357  * as core X events (this is not the case for e.g. XKB extension events).
2358  *
2359  * If an event type is registered, events of this type will go through
2360  * global and window-specific filters (see gdk_window_add_filter()).
2361  * Unregistered events will only go through global filters.
2362  * GDK may register the events of some X extensions on its own.
2363  *
2364  * This function should only be needed in unusual circumstances, e.g.
2365  * when filtering XInput extension events on the root window.
2366  *
2367  * Since: 2.4
2368  **/
2369 void
2370 gdk_x11_register_standard_event_type (GdkDisplay *display,
2371                                       gint        event_base,
2372                                       gint        n_events)
2373 {
2374   GdkEventTypeX11 *event_type;
2375   GdkX11Display *display_x11;
2376
2377   display_x11 = GDK_X11_DISPLAY (display);
2378   event_type = g_new (GdkEventTypeX11, 1);
2379
2380   event_type->base = event_base;
2381   event_type->n_events = n_events;
2382
2383   display_x11->event_types = g_slist_prepend (display_x11->event_types, event_type);
2384 }
2385
2386 /* compare X sequence numbers handling wraparound */
2387 #define SEQUENCE_COMPARE(a,op,b) (((long) (a) - (long) (b)) op 0)
2388
2389 /* delivers an error event from the error handler in gdkmain-x11.c */
2390 void
2391 _gdk_x11_display_error_event (GdkDisplay  *display,
2392                               XErrorEvent *error)
2393 {
2394   GdkX11Display *display_x11;
2395   GSList *tmp_list;
2396   gboolean ignore;
2397
2398   display_x11 = GDK_X11_DISPLAY (display);
2399
2400   ignore = FALSE;
2401   for (tmp_list = display_x11->error_traps;
2402        tmp_list != NULL;
2403        tmp_list = tmp_list->next)
2404     {
2405       GdkErrorTrap *trap;
2406
2407       trap = tmp_list->data;
2408
2409       if (SEQUENCE_COMPARE (trap->start_sequence, <=, error->serial) &&
2410           (trap->end_sequence == 0 ||
2411            SEQUENCE_COMPARE (trap->end_sequence, >, error->serial)))
2412         {
2413           ignore = TRUE;
2414           trap->error_code = error->error_code;
2415           break; /* only innermost trap gets the error code */
2416         }
2417     }
2418
2419   if (!ignore)
2420     {
2421       gchar buf[64];
2422       gchar *msg;
2423
2424       XGetErrorText (display_x11->xdisplay, error->error_code, buf, 63);
2425
2426       msg =
2427         g_strdup_printf ("The program '%s' received an X Window System error.\n"
2428                          "This probably reflects a bug in the program.\n"
2429                          "The error was '%s'.\n"
2430                          "  (Details: serial %ld error_code %d request_code %d minor_code %d)\n"
2431                          "  (Note to programmers: normally, X errors are reported asynchronously;\n"
2432                          "   that is, you will receive the error a while after causing it.\n"
2433                          "   To debug your program, run it with the --sync command line\n"
2434                          "   option to change this behavior. You can then get a meaningful\n"
2435                          "   backtrace from your debugger if you break on the gdk_x_error() function.)",
2436                          g_get_prgname (),
2437                          buf,
2438                          error->serial,
2439                          error->error_code,
2440                          error->request_code,
2441                          error->minor_code);
2442
2443 #ifdef G_ENABLE_DEBUG
2444       g_error ("%s", msg);
2445 #else /* !G_ENABLE_DEBUG */
2446       g_warning ("%s\n", msg);
2447
2448       exit (1);
2449 #endif /* G_ENABLE_DEBUG */
2450     }
2451 }
2452
2453 static void
2454 delete_outdated_error_traps (GdkX11Display *display_x11)
2455 {
2456   GSList *tmp_list;
2457   gulong processed_sequence;
2458
2459   processed_sequence = XLastKnownRequestProcessed (display_x11->xdisplay);
2460
2461   tmp_list = display_x11->error_traps;
2462   while (tmp_list != NULL)
2463     {
2464       GdkErrorTrap *trap = tmp_list->data;
2465
2466       if (trap->end_sequence != 0 &&
2467           SEQUENCE_COMPARE (trap->end_sequence, <=, processed_sequence))
2468         {
2469           GSList *free_me = tmp_list;
2470
2471           tmp_list = tmp_list->next;
2472           display_x11->error_traps =
2473             g_slist_delete_link (display_x11->error_traps, free_me);
2474           g_slice_free (GdkErrorTrap, trap);
2475         }
2476       else
2477         {
2478           tmp_list = tmp_list->next;
2479         }
2480     }
2481 }
2482
2483 /**
2484  * gdk_x11_display_error_trap_push:
2485  * @display: a #GdkDisplay
2486  *
2487  * Begins a range of X requests on @display for which X error events
2488  * will be ignored. Unignored errors (when no trap is pushed) will abort
2489  * the application. Use gdk_x11_display_error_trap_pop() or
2490  * gdk_x11_display_error_trap_pop_ignored()to lift a trap pushed
2491  * with this function.
2492  *
2493  * See also gdk_error_trap_push() to push a trap on all displays.
2494  *
2495  * Since: 3.0
2496  */
2497 void
2498 gdk_x11_display_error_trap_push (GdkDisplay *display)
2499 {
2500   GdkX11Display *display_x11;
2501   GdkErrorTrap *trap;
2502
2503   display_x11 = GDK_X11_DISPLAY (display);
2504
2505   delete_outdated_error_traps (display_x11);
2506
2507   /* set up the Xlib callback to tell us about errors */
2508   _gdk_x11_error_handler_push ();
2509
2510   trap = g_slice_new0 (GdkErrorTrap);
2511
2512   trap->start_sequence = XNextRequest (display_x11->xdisplay);
2513   trap->error_code = Success;
2514
2515   display_x11->error_traps =
2516     g_slist_prepend (display_x11->error_traps, trap);
2517 }
2518
2519 static gint
2520 gdk_x11_display_error_trap_pop_internal (GdkDisplay *display,
2521                                          gboolean    need_code)
2522 {
2523   GdkX11Display *display_x11;
2524   GdkErrorTrap *trap;
2525   GSList *tmp_list;
2526   int result;
2527
2528   display_x11 = GDK_X11_DISPLAY (display);
2529
2530   g_return_val_if_fail (display_x11->error_traps != NULL, Success);
2531
2532   /* Find the first trap that hasn't been popped already */
2533   trap = NULL; /* quiet gcc */
2534   for (tmp_list = display_x11->error_traps;
2535        tmp_list != NULL;
2536        tmp_list = tmp_list->next)
2537     {
2538       trap = tmp_list->data;
2539
2540       if (trap->end_sequence == 0)
2541         break;
2542     }
2543
2544   g_return_val_if_fail (trap != NULL, Success);
2545   g_assert (trap->end_sequence == 0);
2546
2547   /* May need to sync to fill in trap->error_code if we care about
2548    * getting an error code.
2549    */
2550   if (need_code)
2551     {
2552       gulong processed_sequence;
2553       gulong next_sequence;
2554
2555       next_sequence = XNextRequest (display_x11->xdisplay);
2556       processed_sequence = XLastKnownRequestProcessed (display_x11->xdisplay);
2557
2558       /* If our last request was already processed, there is no point
2559        * in syncing. i.e. if last request was a round trip (or even if
2560        * we got an event with the serial of a non-round-trip)
2561        */
2562       if ((next_sequence - 1) != processed_sequence)
2563         {
2564           XSync (display_x11->xdisplay, False);
2565         }
2566
2567       result = trap->error_code;
2568     }
2569   else
2570     {
2571       result = Success;
2572     }
2573
2574   /* record end of trap, giving us a range of
2575    * error sequences we'll ignore.
2576    */
2577   trap->end_sequence = XNextRequest (display_x11->xdisplay);
2578
2579   /* remove the Xlib callback */
2580   _gdk_x11_error_handler_pop ();
2581
2582   /* we may already be outdated */
2583   delete_outdated_error_traps (display_x11);
2584
2585   return result;
2586 }
2587
2588 /**
2589  * gdk_x11_display_error_trap_pop:
2590  * @display: the display
2591  *
2592  * Pops the error trap pushed by gdk_x11_display_error_trap_push().
2593  * Will XSync() if necessary and will always block until
2594  * the error is known to have occurred or not occurred,
2595  * so the error code can be returned.
2596  *
2597  * If you don't need to use the return value,
2598  * gdk_x11_display_error_trap_pop_ignored() would be more efficient.
2599  *
2600  * See gdk_error_trap_pop() for the all-displays-at-once
2601  * equivalent.
2602  *
2603  * Since: 3.0
2604  *
2605  * Return value: X error code or 0 on success
2606  */
2607 gint
2608 gdk_x11_display_error_trap_pop (GdkDisplay *display)
2609 {
2610   g_return_val_if_fail (GDK_IS_X11_DISPLAY (display), Success);
2611
2612   return gdk_x11_display_error_trap_pop_internal (display, TRUE);
2613 }
2614
2615 /**
2616  * gdk_x11_display_error_trap_pop_ignored:
2617  * @display: the display
2618  *
2619  * Pops the error trap pushed by gdk_x11_display_error_trap_push().
2620  * Does not block to see if an error occurred; merely records the
2621  * range of requests to ignore errors for, and ignores those errors
2622  * if they arrive asynchronously.
2623  *
2624  * See gdk_error_trap_pop_ignored() for the all-displays-at-once
2625  * equivalent.
2626  *
2627  * Since: 3.0
2628  */
2629 void
2630 gdk_x11_display_error_trap_pop_ignored (GdkDisplay *display)
2631 {
2632   g_return_if_fail (GDK_IS_X11_DISPLAY (display));
2633
2634   gdk_x11_display_error_trap_pop_internal (display, FALSE);
2635 }
2636
2637 extern GdkAppLaunchContext *_gdk_x11_display_get_app_launch_context (GdkDisplay *display);
2638 extern GdkNativeWindow      _gdk_x11_display_get_drag_protocol      (GdkDisplay *display,
2639                                                                      GdkNativeWindow  xid,
2640                                                                      GdkDragProtocol *protocol,
2641                                                                      guint           *version);
2642
2643
2644 /**
2645  * gdk_x11_set_sm_client_id:
2646  * @sm_client_id: the client id assigned by the session manager when the
2647  *    connection was opened, or %NULL to remove the property.
2648  *
2649  * Sets the <literal>SM_CLIENT_ID</literal> property on the application's leader window so that
2650  * the window manager can save the application's state using the X11R6 ICCCM
2651  * session management protocol.
2652  *
2653  * See the X Session Management Library documentation for more information on
2654  * session management and the Inter-Client Communication Conventions Manual
2655  *
2656  * Since: 2.24
2657  */
2658 void
2659 gdk_x11_set_sm_client_id (const gchar *sm_client_id)
2660 {
2661  GSList *displays, *l;
2662
2663   g_free (gdk_sm_client_id);
2664   gdk_sm_client_id = g_strdup (sm_client_id);
2665
2666   displays = gdk_display_manager_list_displays (gdk_display_manager_get ());
2667   for (l = displays; l; l = l->next)
2668     set_sm_client_id (l->data, sm_client_id);
2669
2670   g_slist_free (displays);
2671 }
2672
2673 static void
2674 gdk_x11_display_event_data_copy (GdkDisplay    *display,
2675                                 const GdkEvent *src,
2676                                 GdkEvent       *dst)
2677 {
2678 }
2679
2680 static void
2681 gdk_x11_display_event_data_free (GdkDisplay *display,
2682                                  GdkEvent *event)
2683 {
2684 }
2685
2686 static gint
2687 pop_error_trap (GdkDisplay *display,
2688                 gboolean    ignored)
2689 {
2690   if (ignored)
2691     {
2692       gdk_x11_display_error_trap_pop_ignored (display);
2693       return Success;
2694     }
2695   else
2696     {
2697       return gdk_x11_display_error_trap_pop (display);
2698     }
2699 }
2700
2701 static GdkKeymap *
2702 gdk_x11_display_get_keymap (GdkDisplay *display)
2703 {
2704   GdkX11Display *display_x11;
2705   g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
2706   display_x11 = GDK_X11_DISPLAY (display);
2707
2708   if (!display_x11->keymap)
2709     display_x11->keymap = g_object_new (_gdk_keymap_x11_get_type (), NULL);
2710
2711   display_x11->keymap->display = display;
2712
2713   return display_x11->keymap;
2714 }
2715
2716 static void
2717 gdk_x11_display_class_init (GdkX11DisplayClass * class)
2718 {
2719   GObjectClass *object_class = G_OBJECT_CLASS (class);
2720   GdkDisplayClass *display_class = GDK_DISPLAY_CLASS (class);
2721
2722   object_class->dispose = gdk_x11_display_dispose;
2723   object_class->finalize = gdk_x11_display_finalize;
2724
2725   display_class->get_name = gdk_x11_display_get_name;
2726   display_class->get_n_screens = gdk_x11_display_get_n_screens;
2727   display_class->get_screen = gdk_x11_display_get_screen;
2728   display_class->get_default_screen = gdk_x11_display_get_default_screen;
2729   display_class->beep = gdk_x11_display_beep;
2730   display_class->sync = gdk_x11_display_sync;
2731   display_class->flush = gdk_x11_display_flush;
2732   display_class->has_pending = gdk_x11_display_has_pending;
2733   display_class->queue_events = _gdk_x11_display_queue_events;
2734   display_class->get_default_group = gdk_x11_display_get_default_group;
2735   display_class->supports_selection_notification = gdk_x11_display_supports_selection_notification;
2736   display_class->request_selection_notification = gdk_x11_display_request_selection_notification;
2737   display_class->supports_clipboard_persistence = gdk_x11_display_supports_clipboard_persistence;
2738   display_class->store_clipboard = gdk_x11_display_store_clipboard;
2739   display_class->supports_shapes = gdk_x11_display_supports_shapes;
2740   display_class->supports_input_shapes = gdk_x11_display_supports_input_shapes;
2741   display_class->supports_composite = gdk_x11_display_supports_composite;
2742   display_class->list_devices = gdk_x11_display_list_devices;
2743   display_class->send_client_message = gdk_x11_display_send_client_message;
2744   display_class->add_client_message_filter = gdk_x11_display_add_client_message_filter;
2745   display_class->get_app_launch_context = _gdk_x11_display_get_app_launch_context;
2746   display_class->get_drag_protocol = _gdk_x11_display_get_drag_protocol;
2747   display_class->get_cursor_for_type = _gdk_x11_display_get_cursor_for_type;
2748   display_class->get_cursor_for_name = _gdk_x11_display_get_cursor_for_name;
2749   display_class->get_cursor_for_pixbuf = _gdk_x11_display_get_cursor_for_pixbuf;
2750   display_class->get_default_cursor_size = _gdk_x11_display_get_default_cursor_size;
2751   display_class->get_maximal_cursor_size = _gdk_x11_display_get_maximal_cursor_size;
2752   display_class->supports_cursor_alpha = _gdk_x11_display_supports_cursor_alpha;
2753   display_class->supports_cursor_color = _gdk_x11_display_supports_cursor_color;
2754
2755   display_class->before_process_all_updates = _gdk_x11_display_before_process_all_updates;
2756   display_class->after_process_all_updates = _gdk_x11_display_after_process_all_updates;
2757   display_class->get_next_serial = gdk_x11_display_get_next_serial;
2758   display_class->notify_startup_complete = gdk_x11_display_notify_startup_complete;
2759   display_class->event_data_copy = gdk_x11_display_event_data_copy;
2760   display_class->event_data_free = gdk_x11_display_event_data_free;
2761   display_class->create_window_impl = _gdk_x11_display_create_window_impl;
2762   display_class->get_keymap = gdk_x11_display_get_keymap;
2763   display_class->push_error_trap = gdk_x11_display_error_trap_push;
2764   display_class->pop_error_trap = pop_error_trap;
2765   display_class->get_selection_owner = _gdk_x11_display_get_selection_owner;
2766   display_class->set_selection_owner = _gdk_x11_display_set_selection_owner;
2767   display_class->send_selection_notify = _gdk_x11_display_send_selection_notify;
2768   display_class->get_selection_property = _gdk_x11_display_get_selection_property;
2769   display_class->convert_selection = _gdk_x11_display_convert_selection;
2770   display_class->text_property_to_utf8_list = _gdk_x11_display_text_property_to_utf8_list;
2771   display_class->utf8_to_string_target = _gdk_x11_display_utf8_to_string_target;
2772 }