Quake 3 UI Updates 
------------------

The following updates and additions were made to the Quake 3 UI
code during the development of ArenaSpy, and are now being released
to the community for free use.

-Mousewheel support on list control
-Doubleclick support on list control
-Child controls support
-Scrollbar control (with up/down arrows)
-List control with scrollbar
-Tab control
-Tiled bitmap control (not used in ArenaSpy)

Examples of using each control are in the comments in qmenu.c

A few changes were needed to various other files to get child controls
and proper hit-testing for nested controls working correctly.

-crt 1/23/2000