here are the widget signals explained:
http://www.pygtk.org/docs/pygtk/class-gtkwidget.html#signal-prototypes-gtkwidget

I think hide and show may be the best ones.
I think expose will be called everytime the widget needs to be redrawn.
Possibly map and unmap might work too.

Remember to add the event to the second object in the hierarchy of
the panel as the top window will be removed in the embedding process.

Chris M  

> From: [email protected]
> Date: Wed, 16 Oct 2013 01:11:15 +0100
> To: [email protected]
> Subject: [Emc-developers] Embedded Tab Events
> 
> If I have an embedded GladeVCP tab in Touchy (or Axis), is there an
> event I can assign to a handler that triggers when the tab is
> activated? (Possibly GDK_EXPOSE) and (more troublesomely) when is is
> _de-activated_?
> 
> 
> -- 
> atp
> If you can't fix it, you don't own it.
> http://www.ifixit.com/Manifesto
> 
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