Title Bar Color

Hi,

I am working with application that runs on Windows,Linux and Mac.
It uses QMainWindow,QWidget,QDialog in UI files.

I want to change the color of Title bar to Gray irrespective of OS setting. I understand that this is based on OS for example on Windows its based on Windows Manager settings.

I am using Qt open source Edition 4.1.2.

Any help/guideline might save me my job :confused:

Thanks in advance

It's not possible to do it directly. Qt only handles the "internals" of the window and can give hints to the underlying window manager, but it can't influence its colours.