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.
%TRUE to stop other handlers from being invoked for the event. %FALSE to propagate the event further.
See Implementation
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.