static void
gtk_menu_item_ensure_label (GtkMenuItem *menu_item)
{
  GtkWidget *accel_label;

  if (!gtk_bin_get_child (GTK_BIN (menu_item)))
    {
      accel_label = g_object_new (GTK_TYPE_ACCEL_LABEL, "xalign", 0.0, NULL);
      gtk_widget_set_halign (accel_label, GTK_ALIGN_FILL);
      gtk_widget_set_valign (accel_label, GTK_ALIGN_CENTER);

      gtk_container_add (GTK_CONTAINER (menu_item), accel_label);
      gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (accel_label),
                                        GTK_WIDGET (menu_item));
      gtk_widget_show (accel_label);
    }
}

void
gtk_accel_label_set_accel_widget (GtkAccelLabel *accel_label,
                                  GtkWidget     *accel_widget)
{
  g_return_if_fail (GTK_IS_ACCEL_LABEL (accel_label));
  if (accel_widget)
    g_return_if_fail (GTK_IS_WIDGET (accel_widget));

  if (accel_widget != accel_label->priv->accel_widget)
    {
      if (accel_label->priv->accel_widget)
        {
          gtk_accel_label_set_accel_closure (accel_label, NULL);
          g_signal_handlers_disconnect_by_func (accel_label->priv->accel_widget,
                                                refetch_widget_accel_closure,
                                                accel_label);
          g_object_weak_unref (G_OBJECT (accel_label->priv->accel_widget),
                               (GWeakNotify) accel_widget_weak_ref_cb, accel_label);
        }
      accel_label->priv->accel_widget = accel_widget;
      if (accel_label->priv->accel_widget)
        {
          g_object_weak_ref (G_OBJECT (accel_label->priv->accel_widget),
                             (GWeakNotify) accel_widget_weak_ref_cb, accel_label);
          g_signal_connect_object (accel_label->priv->accel_widget, "accel-closures-changed",
                                   G_CALLBACK (refetch_widget_accel_closure),
                                   accel_label, G_CONNECT_SWAPPED);
          refetch_widget_accel_closure (accel_label);
        }
      g_object_notify_by_pspec (G_OBJECT (accel_label), props[PROP_ACCEL_WIDGET]);
    }
}