Change height of QTabbar in QTabWidget

[posixprogrammer]

Hi all,
I want to custom QTabWidget, please tell me how to change height of QTabbar( I see it is always 20.)
I use QTabWidget::setTabBar to add a other Qtabbar, but Its showing is incorrect.
Thank you so much !!!

[posixprogrammer]

http://www.qtcentre.org/threads/27910-QTabWidget-with-no-text-and-icon