def get_children_recursively(
parent: tkinter.Misc, *, include_parent: bool = False
) -> Iterator[tkinter.Misc]:
if include_parent:
yield parent
for child in parent.winfo_children():
yield from get_children_recursively(child, include_parent=True)
def _bind_tree(self,
widget: tk.Misc,
event: str,
callback: callable,
add: str = "") -> None:
"""Binds an event to a widget and all its descendants recursively.
Parameters
----------
widget : tk.Misc
The widget to bind the callback to.
event : str
The event to bind to the widget.
callback : callable
The callback to call on event.
add : str, default ""
Specifies whether callback will be called additionally ("+") to the other bound function
or whether it will replace the previous function ("").
"""
widget.bind(event, callback, add)
for child in widget.winfo_children():
self._bind_tree(child, event, callback, add)