GtkPlug Toplevel for embedding into other processes. Together with #GtkSocket, #GtkPlug provides the ability to embed widgets from one process into another process in a fashion that is transparent to the user. One process creates a #GtkSocket widget and, passes the ID of that widgets window to the other process, which then creates a #GtkPlug with that window ID. Any widgets contained in the #GtkPlug then will appear inside the first applications window. #GtkSocket the widget that a #GtkPlug plugs into. @plug: @socket_id: @plug: @display: @socket_id: @socket_id: the window ID of the socket, or 0. @Returns: the new #GtkPlug widget. @display: @socket_id: @Returns: @plug: @Returns: @plug: the object which received the signal.