No way to assign locale to C++ property

#include <QCoreApplication>
#include <QDebug>
#include <QLocale>
#include <QQmlComponent>
#include <QQmlEngine>

class CalendarModel : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QLocale locale READ locale WRITE setLocale)
public:
    CalendarModel() {
    }

    CalendarModel(const CalendarModel &rhs) {
        mLocale = rhs.mLocale;
    }

    QLocale locale() const {
        return mLocale;
    }

    void setLocale(const QLocale &locale) {
        mLocale = locale;
    }
private:
    QLocale mLocale;
};

Q_DECLARE_METATYPE(CalendarModel)

int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);
    QQmlEngine engine;
    QQmlComponent component(&engine);
    qmlRegisterType<CalendarModel>("Test", 1, 0, "CalendarModel");
    component.setData("import QtQml 2.2\n"
        "import Test 1.0\n"
        "QtObject {"
        //"    property Locale theLocale: Qt.locale()\n"
        "    property var theLocale: Qt.locale()\n"
        "    property CalendarModel model: CalendarModel {"
        "        locale: theLocale"
        "} }", QUrl());
    if (component.isError()) {
        qWarning() << component.errorString();
        return 0;
    } else {
        while (!component.isReady()) {
            QCoreApplication::processEvents();
        }
        QObject *item = qobject_cast<QObject*>(component.create());
        //qDebug() << item->property("locale").value<Calendar>().locale().name();
    }

    return a.exec();
}

#include "main.moc"