int window = OS.GTK_WIDGET_WINDOW (paintHandle());
int gtk_realize (int widget) {	if (cursor != null && cursor.isDisposed()) return 0;	int window = OS.GTK_WIDGET_WINDOW (paintHandle());	int gdkCursor = cursor != null ? cursor.handle : 0;	OS.gdk_window_set_cursor (window, gdkCursor);	return 0;}