Action for '(

def _key_parenleft(self, text):
        """Action for '('"""
        self.hide_completion_widget()
        if self.get_current_line_to_cursor():
            last_obj = self.get_last_obj()
            if last_obj and not last_obj.isdigit():
                self.insert_text(text)
                self.show_object_info(last_obj, call=True)
                return
        self.insert_text(text)