[pygtk] 'What's This?' menu entry

[Frédéric]

Hi,

I'm trying to add a 'What's This' feature (you know, you first
activate it from a menu/toolbar, and then point to a widget to open a
tooltip with some additional help), but I don't know how to do that.

What mecanism do you suggest to retreive the widget where I clicked, and
then to open the related tooltip? What is the best way to store them?

Any idea wlecome.

Thanks,

--
   Frédéric