Revision control
++ // Copyright (C) 2017 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include <QtCore/QObject>
++ #include <QtCore/QDebug>
++ #include <QtCore/QVariant>
++ #include <QtPositioning/QGeoAddress>
++ #include <QtPositioning/QGeoLocation>
++ #include <QtPositioning/QGeoCircle>
++ #include <QtPositioning/QGeoAreaMonitorSource>
++
++ void cppQmlInterface(QObject *qmlObject)
++ {
++ //! [Address get]
++ QGeoAddress geoAddress = qmlObject->property("address").value<QGeoAddress>();
++ //! [Address get]
++
++ //! [Address set]
++ qmlObject->setProperty("address", QVariant::fromValue(geoAddress));
++ //! [Address set]
++
++ //! [Location get]
++ QGeoLocation geoLocation = qmlObject->property("location").value<QGeoLocation>();
++ //! [Location get]
++
++ //! [Location set]
++ qmlObject->setProperty("location", QVariant::fromValue(geoLocation));
++ //! [Location set]
++ }
++
++ class MyClass : public QObject
++ {
++ Q_OBJECT
++ //! [BigBen]
++ public:
++ MyClass() : QObject()
++ {
++ QGeoAreaMonitorSource *monitor = QGeoAreaMonitorSource::createDefaultSource(this);
++ if (monitor) {
++ connect(monitor, SIGNAL(areaEntered(QGeoAreaMonitorInfo,QGeoPositionInfo)),
++ this, SLOT(areaEntered(QGeoAreaMonitorInfo,QGeoPositionInfo)));
++ connect(monitor, SIGNAL(areaExited(QGeoAreaMonitorInfo,QGeoPositionInfo)),
++ this, SLOT(areaExited(QGeoAreaMonitorInfo,QGeoPositionInfo)));
++
++ QGeoAreaMonitorInfo bigBen("Big Ben");
++ QGeoCoordinate position(51.50104, -0.124632);
++ bigBen.setArea(QGeoCircle(position, 100));
++
++ monitor->startMonitoring(bigBen);
++
++ } else {
++ qDebug() << "Could not create default area monitor";
++ }
++ }
++
++ public Q_SLOTS:
++ void areaEntered(const QGeoAreaMonitorInfo &mon, const QGeoPositionInfo &update)
++ {
++ Q_UNUSED(mon);
++
++ qDebug() << "Now within 100 meters, current position is" << update.coordinate();
++ }
++
++ void areaExited(const QGeoAreaMonitorInfo &mon, const QGeoPositionInfo &update)
++ {
++ Q_UNUSED(mon);
++
++ qDebug() << "No longer within 100 meters, current position is" << update.coordinate();
++ }
++ //! [BigBen]
++ };