pub fn on_focus_changed(
child: impl IntoUiNode,
handler: Handler<FocusChangedArgs>,
) -> UiNodeExpand description
P Focus changed in the widget or its descendants.
§Preview
You can preview this event using on_pre_focus_changed.
Otherwise the handler is only called after the widget content has a chance to stop propagation.
§Async
You can use async event handlers with this property.