gobject.GObject
	 +--gtk.Object
	 |	  +--gtk.Widget
	 |		 +--gtk.Container
	 |			 +--goocanvas.CanvasView
	 |
	 +--goocanvas.CanvasModelSimlple (implements goocanvas.CanvasModel)
	 |
	 +--goocanvas.ItemSimple (implements goocanvas.Item)
	 |	 +--goocanvas.Ellipse (implements goocanvas.Item)
	 |	 +--goocanvas.Image (implements goocanvas.Item)
	 |	 +--goocanvas.Path (implements goocanvas.Item)
	 |	 +--goocanvas.Polyline (implements goocanvas.Item)
	 |	 +--goocanvas.Rect (implements goocanvas.Item)
	 |	 +--goocanvas.Text (implements goocanvas.Item)
	 |	 +--goocanvas.Group (implements goocanvas.Item)
	 |
	 +--goocanvas.ItemViewSimple (implements goocanvas.ItemView)
	 	 +--goocanvas.EllipseView (implements goocanvas.ItemView)
	 	 +--goocanvas.ImageView (implements goocanvas.ItemView)
	 	 +--goocanvas.PathView (implements goocanvas.ItemView)
	 	 +--goocanvas.PolylineView (implements goocanvas.ItemView)
	 	 +--goocanvas.RectView (implements goocanvas.ItemView)
	 	 +--goocanvas.TextView (implements goocanvas.ItemView)
	 	 +--goocanvas.GroupView (implements goocanvas.ItemView)

gobject.GInterface
	 +--goocanvas.CanvasModel
	 +--goocanvas.Item
	 +--goocanvas.ItemView