Allow to add a ActionButton in KPageDialog

[laurent Montel]

Hi,
During kdepim porting I saw that it was not possible to add a ActionButton as 
QButtonBox is protected.
=> we can do it if we create a derived class.
But it’s not a very easy method for just add a button.

I would like to add a new method to do it.
I created a patch for it.

What do you think about it ?

(Example when we need to add a ActionButton, it’s when we have a old "User1" 
button).

Regards


-- 
Laurent Montel | laurent.montel at kdab.com | KDE/Qt Senior Software Engineer
KDAB (France) S.A.S., a KDAB Group company
Tel. France +33 (0)4 90 84 08 53,  http://www.kdab.fr

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