A keybinding signal which gets emitted when the user selects all items.
Applications should not connect to it, but may emit it with
g_signal_emit_by_name() if they need to control selection programmatically.
The default binding for this signal is Ctrl-a.
|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|