Hello!
It looks like there is a problem with GtkGLExt not emitting expose signal after a popup for a button on the title bar is displayed and then hidden. This doesn't happen all the time but there is a simple way to reproduce this bug (at least on my system):
1. Compile and run the example program named 'simple' (the one that comes with gtkglext; the C++ version can be used too).
2...
2007-05-29 18:27:10 UTC in GtkGLExt
