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39#include "qmldistancesensor.h"
40#include <QDistanceSensor>
41
42/*!
43 \qmltype DistanceSensor
44 \instantiates QmlDistanceSensor
45 \ingroup qml-sensors_type
46 \inqmlmodule QtSensors
47 \since QtSensors 5.4
48 \inherits Sensor
49 \brief The DistanceSensor element reports the distance in cm from an object to the device.
50
51 The DistanceSensor element reports the distance in cm from an object to the device.
52
53 This element wraps the QDistanceSensor class. Please see the documentation for
54 QDistanceSensor for details.
55
56 \sa DistanceReading
57*/
58
59QmlDistanceSensor::QmlDistanceSensor(QObject *parent)
60 : QmlSensor(parent)
61 , m_sensor(new QDistanceSensor(this))
62{
63}
64
65QmlDistanceSensor::~QmlDistanceSensor()
66{
67}
68
69QmlSensorReading *QmlDistanceSensor::createReading() const
70{
71 return new QmlDistanceReading(m_sensor);
72}
73
74QSensor *QmlDistanceSensor::sensor() const
75{
76 return m_sensor;
77}
78
79/*!
80 \qmltype DistanceReading
81 \instantiates QmlDistanceReading
82 \ingroup qml-sensors_reading
83 \inqmlmodule QtSensors
84 \since QtSensors 5.4
85 \inherits SensorReading
86 \brief The DistanceReading element holds the most recent DistanceSensor reading.
87
88 The DistanceReading element holds the most recent DistanceSensor reading.
89
90 This element wraps the QDistanceReading class. Please see the documentation for
91 QDistanceReading for details.
92
93 This element cannot be directly created.
94*/
95
96QmlDistanceReading::QmlDistanceReading(QDistanceSensor *sensor)
97 : QmlSensorReading(sensor)
98 , m_sensor(sensor)
99 , m_distance(0.0)
100{
101}
102
103QmlDistanceReading::~QmlDistanceReading()
104{
105}
106
107/*!
108 \qmlproperty qreal DistanceReading::distance
109 This property holds the distance measurement
110
111 Please see QDistanceReading::distance for information about this property.
112*/
113
114qreal QmlDistanceReading::distance() const
115{
116 return m_distance;
117}
118
119QSensorReading *QmlDistanceReading::reading() const
120{
121 return m_sensor->reading();
122}
123
124void QmlDistanceReading::readingUpdate()
125{
126 qreal distance = m_sensor->reading()->distance();
127 if (m_distance != distance) {
128 m_distance = distance;
129 Q_EMIT distanceChanged();
130 }
131}
132

source code of qtsensors/src/imports/sensors/qmldistancesensor.cpp