def _force_on_change(self):
        """
        Handle force_on_change feature.
        """
        for layout in self.force_on_change:
            if layout in self.available_combinations:
                if self.active_layout != layout:
                    self.displayed = layout
                    self._apply(force=True)
                    self.py3.update()
                    break
                else:
                    break