return gtk.STOCK_CANCEL
        else:
            return gtk.STOCK_NEW


    # Attach textual menu entry and callback
    @staticmethod
    def add_menu(menuwidget, label, action=None, stock=None, submenu=None, insert=None):
        for where in list(menuwidget):
            # plain or image menu item
            if stock:
                m = gtk.ImageMenuItem(stock)
                m.set_label(label)
            else:
                m = gtk.MenuItem(label)
            # callback or submenu
            if action:
                m.connect("activate", action)
            elif submenu:
                m.set_submenu(submenu)
            # insert or append
            if insert:
                where.insert(m, insert)
            else:
                where.add(m)
            m.show()
        

    # gtk.messagebox
    @staticmethod
    def msg(text, style=gtk.MESSAGE_INFO, buttons=gtk.BUTTONS_CLOSE, yes=None):
        m = gtk.MessageDialog(None, 0, style, buttons, message_format=text)
        m.show()