Qt3 patched to
support glib mainloop (which was developed few years ago
by Norbert Frese).
http://web.archive.org/web/20070524141039/http://www.scheinwelt.at/~norbe
rtf/common_main_loop/
At this moment I run my KDE3 on top of patched Qt, without any problem.
Can you send in a patch for consideration? If it looks sane we may very
well include it in our next Qt release (3.5.0).
Thanks!
Tim