How to make parent widget transparent, but not child widgets?

[cijic]

Hello. I have a question: how to make fully transparent widget, but child widgets remain non-transparent?

[jensen82]

You mean click-through or see-through? Here's an example: "http://codeprogress.com/cpp/libraries/qt/showQtExample.php?index=191&key=QMainWindowTransparentBg":http://codeprogress.com/cpp/libraries/qt/showQtExample.php?index=191&key=QMainWindowTransparentBg