On Thursday 25. September 2014 09.44.51 Nils Jeisecke wrote: > Hi Simon, > > thank you very much for the explanation. No need for bug hunting then. > > On Thu, Sep 25, 2014 at 7:55 AM, Simon Hausmann > > <[email protected]> wrote: > > We've changed this in Qt 5.4 slightly: When > > converting a JavaScript object back to a QVariant, we won't try to > > "destroy" it but instead we'll give you a QVariant that holds a (strong) > > reference to the JavaScript object, it'll be a QJSValue in a QVariant. > > Note how somebody could call setMap with the return value of buildMap() > > but also with a JS object literal: setMap( { x: ["a", "b" ] }) > > > > QVariant(QVariantMap, QMap(("x", QVariant(QStringList, ("a", "b")) ) ) > > ) > > > > You can do the conversion like this: > > QVariant map = ... > > if (map.userType() == qMetaTypeId<QJSValue>()) > > > > map = qvariant_cast<QJSValue>(map).toVariant(); > > I think this should be added to the documentation. Maybe here: > http://doc-snapshot.qt-project.org/qt5-5.4/qtqml-cppintegration-data.html. > I'd give it a try if this is the right place.
Yes, that looks like the right place. Simon _______________________________________________ Development mailing list [email protected] http://lists.qt-project.org/mailman/listinfo/development
