help in Powerdvd like interface!

Hi experts, i'm new on the forum, and i wanna ask you if it's possible with Qt do an interface like below:

http://www.manifest-tech.com/images/...erdvd5_scr.jpg

if it's possible,what should i know to do something like that?

Sorry for my poor english.

You should take a look at QWidget::setMask().