[pygtk] Sticky item in TreeView

[Lawrence Oluyede]

I have a treeview mapped onto a TreeModelSort mapped on a ListStore to
ensure sortness of the items. This treeview is also used as a filter
for another treeview. What I want to add to the first one is a "no
filter" entry on top of it. The problem, obviously, is that "no
filter" is lexicographically sorted with the other items. What I want
is to leave it always on top of the treeview displayed list. An item
not subject to sorting.

There's a practical way to do that?

--
Lawrence
http://www.oluyede.org/blog