setActivatable
Sets @self to be activatable.
If an item is activatable, double-clicking on the item, using the Return key or calling gtk_widget_activate() will activate the item. Activating instructs the containing view to handle activation. GtkListView
for example will be emitting the signal@Gtk.ListView::activate signal.
By default, list items are activatable.
Parameters
activatable
if the item should be activatable