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#ifndef COMPASSVIEW_H
#define COMPASSVIEW_H
#include <QtGui/QImage>
#include <QtDeclarative/QDeclarativeItem>
#include <QtLocation/QGeoPositionInfoSource>
using QTM_PREPEND_NAMESPACE(QGeoPositionInfoSource);
using QTM_PREPEND_NAMESPACE(QGeoPositionInfo);
class CompassView : public QDeclarativeItem
{
Q_OBJECT
Q_PROPERTY(bool updateEnabled READ updateEnabled WRITE setUpdateEnabled NOTIFY updateEnabledChanged)
Q_PROPERTY(int updateInterval READ updateInterval WRITE setUpdateInterval NOTIFY updateIntervalChanged)
Q_PROPERTY(qreal currentSpeed READ currentSpeed NOTIFY currentSpeedChanged)
Q_PROPERTY(qreal currentAltitude READ currentAltitude NOTIFY currentAltitudeChanged)
public:
explicit CompassView(QDeclarativeItem *parent = 0);
bool updateEnabled() const;
void setUpdateEnabled(bool enabled);
int updateInterval() const;
void setUpdateInterval(int msec);
qreal currentSpeed() const;
qreal currentAltitude() const;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
signals:
void updateEnabledChanged();
void updateIntervalChanged();
void currentSpeedChanged();
void currentAltitudeChanged();
protected:
void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry);
private slots:
void handlePositionUpdate(const QGeoPositionInfo& info);
private:
bool _enabled;
QSize _size;
QImage _image;
QGeoPositionInfoSource *_posSource;
qreal _direction;
qreal _speed;
qreal _altitude;
};
#endif // COMPASSVIEW_H
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