public function __construct($window)
 {
     parent::__construct(Gtk::WINDOW_TOPLEVEL, $window, Gtk::DIALOG_NO_SEPARATOR);
     parent::set_decorated(FALSE);
     parent::set_size_request(150, 250);
     parent::set_skip_taskbar_hint(TRUE);
     parent::connect("delete-event", array($this, "autocomplete_window_destroy"));
 }