Gian Mario Tagliaretti wrote: > That's the notify signal of gobject.Gobject: > http://www.pygtk.org/docs/pygobject/class-gobject.html#signal-gobject--notify > > you can use it to be notified when the property of a gobject changes. > Very cool. That opens up a lot of capabilities that I didn't know about. The gtk tutorial is a bit thin on gobject details. -Brad