A keybinding signal which gets emitted when the user activates the currently focused item.
Applications should not connect to it, but may emit it with
g_signal_emit_by_name() if they need to control activation programmatically.
The default bindings for this signal are Space, Return and Enter.
|Default handler: |
The default handler is called after the handlers added via
|Signal can be directly emitted on objects from user code|
|Available since: 4.0|