if self._current_group is not None:
self._current_group._update_transform(self._transform)
- def show(self, root_group: Group) -> bool:
+ def get_root_group(self):
+ """The root group on the display."""
+ return self._current_group
+
+ def set_root_group(self, root_group: Group) -> bool:
# pylint: disable=protected-access
"""