device type to get.
a list of #GdkDevices. The returned list must be freed with g_list_free (). The list elements are owned by GTK+ and must not be freed or unreffed.
Deprecated: , use gdk.seat.Seat.getPointer, gdk.seat.Seat.getKeyboard and gdk.seat.Seat.getSlaves instead.
Returns the list of devices of type type currently attached to device_manager.