The ::changed signal is emitted on every member of a radio group when the active member is changed. The signal gets emitted after the ::activate signals for the previous and current active members.
|Default handler:|| |
The default handler is called before the handlers added via
|Signal emission will restart instead of recursing|
Please do not use it in newly written code.
The member of
action‘s group which has just been activated.
The data is owned by the caller of the function.