    def reset(self):
        """
        Reset this Layout and the Widgets it contains.
        """
        # Ensure that the widgets are using the right values.
        self.update_widgets()

        # Reset all the widgets.
        for column in self._columns:
            for widget in column:
                widget.reset()
                widget.blur()

        # Find the focus for the first widget
        self._live_widget = -1
        self._find_next_widget(1)
Reset this Layout and the Widgets it contains.
asciimatics/widgets/layout.py