Setting the buttons in the constructor is a use-case that happens
more often than setting the orientation. Yet, there was a
(Qt::Orientation,QWidget*) constructor, but no
(StandardButtons,QWidget*) one.
This patch adds it.
Change-Id: If6a5c9f7450a388cd77bd93c8dd144b2fdc11847
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: David Faure (KDE) <faure@kde.org>
Reviewed-by: Kevin Ottens <kevin.ottens@kdab.com>
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
Reviewed-by: Thorbjørn Lund Martsum <tmartsum@gmail.com>
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>