Jay, There's been a fork of gtksheet at http://github.com/vhernandez/gtksheet/tree/master/gtksheet/, it worked as a drop-in replacement for me when I was looking for one. Maybe you'd be able to apply the patches they've added?
-- Luke Faraone http://luke.faraone.cc -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org