[pygtk] which widget?

[守株待兔]

please see my attachment ,which  widget the region1,region2 is?
how to make it??
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.daa.com.au/pipermail/pygtk/attachments/20110803/61c29a49/attachment-0001.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: re2
Type: application/octet-stream
Size: 26111 bytes
Desc: not available
URL: <http://www.daa.com.au/pipermail/pygtk/attachments/20110803/61c29a49/attachment-0001.obj>