Usage of Xv extension

[Billy Biggs]

Simon Perreault (Simon.Perreault at matrox.com):

> For example, when the window of a popup menu (from a menu bar above
> the Xv area) appears and covers partially the Xv area, the annotations
> vanish. No expose event is generated in that case, so it can't be that
> my expose event handler is wrong.

  Some drivers have an option where they will automatically draw the
colour key for you.  This may be defeating you in this case.  Check
xvinfo and see if there is a flag for automatic colour key painting for
your driver.

  -Billy