qt-x11-2.2.4.tar.gz or later version
http://www.troll.no/
Qt is a cross-platform GUI library that makes it easy to create X applications
with standard GUI elements (widgets) like menubars, scollbars, dropdown lists,
checkboxes, buttons, multiple document interface, and many other GUI things.
Using Qt, a program can be compiled for both MS Windows and X without
changing any code. Its a very popular GUI library and is used to create
the core libraries of KDE (http://www.kde.org/).
Qt has functions (previously as an extension in $QTDIR/extensions/opengl)
for OpenGL that provides for
creating OpenGL rendering contexts in Qt windows. This provides some
alternative to both GLUT and using the glX functions directly, plus the
added benefit of full access to the excellent Qt widgets and
cross-platform portability.
This is useful if you want to compile or develop programs based on Qt
(e.g., KDE2 and its apps).
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