#!/usr/bin/env python

import gobject
import gtk

class Foo (gtk.DrawingArea):
    __gsignals__ = { 'realize' : 'override' }
                     
    def __init__ (self):
        gtk.DrawingArea.__init__ (self)

    def do_realize (self):
        print "foo"
        self.chain ()

gobject.type_register (Foo)

window = gtk.Window ()
window.connect ("delete-event", gtk.main_quit)

foo = Foo ()
window.add (foo)
foo.show ()

window.show ()

gtk.main ()