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** This file is part of the Qt Mobility Components.

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#include <QtCore>

#include <qrotationsensor.h>

QTM_USE_NAMESPACE

class RotationFilter : public QRotationFilter

{

public:

    bool filter(QRotationReading *reading)

    {

        int diff = ( reading->timestamp() - stamp );

        stamp = reading->timestamp();

        QTextStream out(stdout);

        out << QString("Rotation: %1 x").arg(reading->x(), 4, 'f', 0)

            << QString(" %1 y").arg(reading->y(), 4, 'f', 0)

            << QString(" %1 z").arg(reading->z(), 4, 'f', 0)

            << QString(" (%1 ms since last, %2 Hz)").arg(diff / 1000, 4).arg( 1000000.0 / diff, 4, 'f', 1) << endl;

        return true;

    }

private:

    qtimestamp stamp;

};

int main(int argc, char **argv)

{

    QCoreApplication app(argc, argv);

    QRotationSensor sensor;

    }

    RotationFilter filter;

    sensor.addFilter(&filter);

    sensor.start();

    if (!sensor.isActive()) {

        qWarning("Rotationsensor didn't start!");

        return 1;

    }

    if (sensor.property("hasZ").isValid()) {

        if (sensor.property("hasZ").toBool())

            qDebug() << "Sensor hasZ is set";

        else

            qDebug() << "Sensor hasZ is NOT set";

    } else {

        qDebug() << "Sensor hasZ error: no value";

    }

    return app.exec();

}