[Gtkmm] Visible area size from ScrolledWindow?

[kahumba]

Hi,
How do I get the visible area size (width, height) of the widget which is inside a ScrolledWindow?
The Gtk::Allocation of the widget doesn't cut it cause it is its real height.
Any ideas?

[kahumba]

uhh nevermind, found this:
http://www.mail-archive.com/pygtk@daa.com.au/msg01571.html