how to add QMaemo5ValueButton to an QAction?

1:i want show the QMaemo5ValueButton in QMenu, so there must add QMaemo5ValueButton into an QAction, but i don't know how to.
2: when i check QMaemo5ValueButton , there will to show a dialog with nothing, i want to hanld the press event, i want to show other info after i press the button, please let me know how to do ...
please give me some idea...

thank you in advance!

You should use QWidgetAction instead of QAction.
To add widgets to QWidgetAction use QWidgetAction::setDefaultWidget()
[url]http://doc.trolltech.com/4.6/qwidgetaction.html#setDefaultWidget[/url]
Since QMaemo5ValueButton is derived from QAbstractButton you can connect slot to clicked signal
[url]http://qt.nokia.com/doc/qt-maemo-4.6/qabstractbutton.html#clicked[/url]