Emits the #GtkWidget::mnemonic-activate signal.
The default handler for this signal activates the @widget if @group_cycling is %FALSE, and just grabs the focus if @group_cycling is %TRUE.
%TRUE if there are other widgets with the same mnemonic
Return: %TRUE if the signal has been handled
See Implementation
Emits the #GtkWidget::mnemonic-activate signal.
The default handler for this signal activates the @widget if @group_cycling is %FALSE, and just grabs the focus if @group_cycling is %TRUE.