C++ (Cpp) egg_tray_manager_check_running_xscreenの例

コード例 #1

ファイル: eggtraymanager.c プロジェクト: BackupTheBerlios/fbpanel-svn

gboolean
egg_tray_manager_check_running (GdkScreen *screen)
{
  g_return_val_if_fail (GDK_IS_SCREEN (screen), FALSE);

  return egg_tray_manager_check_running_xscreen (GDK_SCREEN_XSCREEN (screen));
}

コード例 #2

ファイル: eggtraymanager.c プロジェクト: micove/awn-extras

gboolean
egg_tray_manager_check_running (GdkScreen *screen)
{
  g_return_val_if_fail (GDK_IS_SCREEN (screen), FALSE);

#ifdef GDK_WINDOWING_X11
  return egg_tray_manager_check_running_xscreen (GDK_SCREEN_XSCREEN (screen));
#else
  return FALSE;
#endif
}

コード例 #3

ファイル: eggtraymanager.c プロジェクト: micove/awn-extras

static gboolean
egg_tray_manager_manage_xscreen (EggTrayManager *manager, Screen *xscreen)
{
  GtkWidget *invisible;
  char *selection_atom_name;
  guint32 timestamp;
  GdkScreen *screen;
  
  g_return_val_if_fail (EGG_IS_TRAY_MANAGER (manager), FALSE);
  g_return_val_if_fail (manager->screen == NULL, FALSE);

  /* If there's already a manager running on the screen
   * we can't create another one.
   */
#if 0
  if (egg_tray_manager_check_running_xscreen (xscreen))
    return FALSE;
#endif
  screen = gdk_display_get_screen (gdk_x11_lookup_xdisplay (DisplayOfScreen (xscreen)),
				   XScreenNumberOfScreen (xscreen));
  manager->screen = screen;
  
  invisible = gtk_invisible_new_for_screen (screen);
  gtk_widget_realize (invisible);
  
  gtk_widget_add_events (invisible, GDK_PROPERTY_CHANGE_MASK | GDK_STRUCTURE_MASK);

  selection_atom_name = g_strdup_printf ("_NET_SYSTEM_TRAY_S%d",
					 XScreenNumberOfScreen (xscreen));
  manager->selection_atom = XInternAtom (DisplayOfScreen (xscreen), selection_atom_name, False);

  g_free (selection_atom_name);

  manager->invisible = invisible;
  g_object_ref (G_OBJECT (manager->invisible));


  manager->orientation_atom = XInternAtom (DisplayOfScreen (xscreen),
					   "_NET_SYSTEM_TRAY_ORIENTATION",
					   FALSE);
  egg_tray_manager_set_orientation_property (manager);
  egg_tray_manager_set_visual_property (manager);
  
  timestamp = gdk_x11_get_server_time (invisible->window);
  XSetSelectionOwner (DisplayOfScreen (xscreen), manager->selection_atom,
		      GDK_WINDOW_XWINDOW (invisible->window), timestamp);

  /* Check if we were could set the selection owner successfully */
  if (XGetSelectionOwner (DisplayOfScreen (xscreen), manager->selection_atom) ==
      GDK_WINDOW_XWINDOW (invisible->window))
    {
      XClientMessageEvent xev;

      xev.type = ClientMessage;
      xev.window = RootWindowOfScreen (xscreen);
      xev.message_type = XInternAtom (DisplayOfScreen (xscreen), "MANAGER", False);

      xev.format = 32;
      xev.data.l[0] = timestamp;
      xev.data.l[1] = manager->selection_atom;
      xev.data.l[2] = GDK_WINDOW_XWINDOW (invisible->window);
      xev.data.l[3] = 0;	/* manager specific data */
      xev.data.l[4] = 0;	/* manager specific data */

      XSendEvent (DisplayOfScreen (xscreen),
		  RootWindowOfScreen (xscreen),
		  False, StructureNotifyMask, (XEvent *)&xev);

      manager->opcode_atom = XInternAtom (DisplayOfScreen (xscreen),
					  "_NET_SYSTEM_TRAY_OPCODE",
					  False);

      manager->message_data_atom = XInternAtom (DisplayOfScreen (xscreen),
						"_NET_SYSTEM_TRAY_MESSAGE_DATA",
						False);

      /* Add a window filter */
      gdk_window_add_filter (invisible->window, egg_tray_manager_window_filter, manager);
      return TRUE;
    }
  else
    {
      gtk_widget_destroy (invisible);
      g_object_unref (invisible);
      manager->invisible = NULL;

      manager->screen = NULL;
 
      return FALSE;
    }
}