The contents of a handle box can be 'dragged' out of the box by the user. The contents will then be placed in a separate window. GTK.HandleBox()->add(GTK.Label("The contents"))
GTK.HandleBox()->add(GTK.Label("The contents"))
Signals: child_attached Called when a new child is added to the box
child_detached Called when a child is removed from the box
inherit GTK.Bin : Bin