C++ (Cpp) register_display_change_notification示例

示例#1

文件： gdkdisplay-win32.c 项目： sam-m888/gtk

GdkDisplay *
_gdk_win32_display_open (const gchar *display_name)
{
  GdkWin32Display *win32_display;

  GDK_NOTE (MISC, g_print ("gdk_display_open: %s\n", (display_name ? display_name : "NULL")));

  if (display_name == NULL ||
      g_ascii_strcasecmp (display_name,
			  gdk_display_get_name (_gdk_display)) == 0)
    {
      if (_gdk_display != NULL)
	{
	  GDK_NOTE (MISC, g_print ("... return _gdk_display\n"));
	  return _gdk_display;
	}
    }
  else
    {
      GDK_NOTE (MISC, g_print ("... return NULL\n"));
      return NULL;
    }

  _gdk_display = g_object_new (GDK_TYPE_WIN32_DISPLAY, NULL);
  win32_display = GDK_WIN32_DISPLAY (_gdk_display);

  win32_display->screen = g_object_new (GDK_TYPE_WIN32_SCREEN, NULL);

  _gdk_events_init (_gdk_display);

  _gdk_input_ignore_core = 0;

  _gdk_device_manager = g_object_new (GDK_TYPE_DEVICE_MANAGER_WIN32,
                                      NULL);
  _gdk_device_manager->display = _gdk_display;

  _gdk_drag_init ();
  _gdk_drop_init ();

  _gdk_display->clipboard = gdk_win32_clipboard_new (_gdk_display);
  _gdk_display->primary_clipboard = gdk_clipboard_new (_gdk_display);

  /* Precalculate display name */
  (void) gdk_display_get_name (_gdk_display);

  register_display_change_notification (_gdk_display);

  g_signal_emit_by_name (_gdk_display, "opened");

  GDK_NOTE (MISC, g_print ("... _gdk_display now set up\n"));

  return _gdk_display;
}

示例#2

文件： gdkdisplay-win32.c 项目： nvieirafelipe/gtk

GdkDisplay *
_gdk_win32_display_open (const gchar *display_name)
{
  GdkWin32Display *win32_display;

  GDK_NOTE (MISC, g_print ("gdk_display_open: %s\n", (display_name ? display_name : "NULL")));

  if (display_name == NULL ||
      g_ascii_strcasecmp (display_name,
			  gdk_display_get_name (_gdk_display)) == 0)
    {
      if (_gdk_display != NULL)
	{
	  GDK_NOTE (MISC, g_print ("... return _gdk_display\n"));
	  return _gdk_display;
	}
    }
  else
    {
      GDK_NOTE (MISC, g_print ("... return NULL\n"));
      return NULL;
    }

  _gdk_display = g_object_new (GDK_TYPE_WIN32_DISPLAY, NULL);
  win32_display = GDK_WIN32_DISPLAY (_gdk_display);

  win32_display->screen = g_object_new (GDK_TYPE_WIN32_SCREEN, NULL);

  _gdk_monitor_init ();
  _gdk_visual_init (win32_display->screen);
  _gdk_screen_init_root_window (GDK_WIN32_SCREEN (win32_display->screen));
  _gdk_events_init ();
  _gdk_input_init (_gdk_display);
  _gdk_dnd_init ();

  /* Precalculate display name */
  (void) gdk_display_get_name (_gdk_display);

  register_display_change_notification (_gdk_display);

  g_signal_emit_by_name (_gdk_display, "opened");

  GDK_NOTE (MISC, g_print ("... _gdk_display now set up\n"));

  return _gdk_display;
}