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39#ifndef QNMEAPOSITIONINFOSOURCE_H
40#define QNMEAPOSITIONINFOSOURCE_H
41
42#include <QtPositioning/QGeoPositionInfoSource>
43
44QT_BEGIN_NAMESPACE
45
46class QIODevice;
47
48class QNmeaPositionInfoSourcePrivate;
49class Q_POSITIONING_EXPORT QNmeaPositionInfoSource : public QGeoPositionInfoSource
50{
51 Q_OBJECT
52public:
53 enum UpdateMode {
54 RealTimeMode = 1,
55 SimulationMode
56 };
57
58 explicit QNmeaPositionInfoSource(UpdateMode updateMode, QObject *parent = nullptr);
59 ~QNmeaPositionInfoSource();
60
61 void setUserEquivalentRangeError(double uere);
62 double userEquivalentRangeError() const;
63
64 UpdateMode updateMode() const;
65
66 void setDevice(QIODevice *source);
67 QIODevice *device() const;
68
69 void setUpdateInterval(int msec);
70
71 QGeoPositionInfo lastKnownPosition(bool fromSatellitePositioningMethodsOnly = false) const;
72 PositioningMethods supportedPositioningMethods() const;
73 int minimumUpdateInterval() const;
74 Error error() const;
75
76
77public Q_SLOTS:
78 void startUpdates();
79 void stopUpdates();
80 void requestUpdate(int timeout = 0);
81
82protected:
83 virtual bool parsePosInfoFromNmeaData(const char *data,
84 int size,
85 QGeoPositionInfo *posInfo,
86 bool *hasFix);
87
88private:
89 Q_DISABLE_COPY(QNmeaPositionInfoSource)
90 friend class QNmeaPositionInfoSourcePrivate;
91 QNmeaPositionInfoSourcePrivate *d;
92 void setError(QGeoPositionInfoSource::Error positionError);
93};
94
95QT_END_NAMESPACE
96
97#endif
98

source code of qtlocation/src/positioning/qnmeapositioninfosource.h