[pygtk] Doc/tutorial on creating custom widgets

[Mitko Haralanov]

I am trying to create a custom widget that is basically a GtkButton but
along with the label it also has a checkbutton embedded into the button
face.

To that end, I am trying to find some tutorials, docs, examples on how
to create custom widget. The only thing that I have been able to find
is this one page:

http://www.pygtk.org/articles/writing-a-custom-widget-using-pygtk/writing-a-custom-widget-using-pygtk.htm

but it seems that the information on it is not enough to get me going.

Can anyone recommend any docs that could help me? Thanks for the help!

-- 
Mitko Haralanov
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kernel/smp.c