I have found an excellent idea of a guy with a similar problem in conjunction with SVG documents:
http://www.velocityreviews.com/forums/t588636-binding-mouse-events-on-svg-shapes-in-c-python-or-java.html Maybe, one of you has already heard about something concrete or similiar? It's a shame you cannot do things like in JavaScript, abusing the `onclick` attributes. This seems to be also very easy to do with SVG in JavaScript. -- Regards, Kenny Meyer