SDL + gtk?

hello,
I would like to know how is it possible to use GPL graphic interface (like
gtk, qt or anything else) under an opengl device (with SDL for example). I
don’t want to rewrite a complexe graphic interface for my opengl game so if
it already exists, it could help me a lot!–

Vianney “Ace” Lecroart

www: http://ace.planet-d.net
icq: 6870415
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y?