[ HasEmitter ]
public virtual signal bool mnemonic_activate (bool group_cycling)
Emitted when a widget is activated via a mnemonic.
The default handler for this signal activates widget if group_cycling is false, or just makes widget
grab focus if group_cycling is true.
| group_cycling |
true if there are other widgets with the same mnemonic |
|
true to stop other handlers from being invoked for the event, false to propagate the event further |