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39#include "qmlpressuresensor.h"
40#include <QtSensors/QPressureSensor>
41
42/*!
43 \qmltype PressureSensor
44 \instantiates QmlPressureSensor
45 \ingroup qml-sensors_type
46 \inqmlmodule QtSensors
47 \since QtSensors 5.1
48 \inherits Sensor
49 \brief The PressureSensor element reports on atmospheric pressure values.
50
51 The PressureSensor element reports on atmospheric pressure values.
52
53 This element wraps the QPressureSensor class. Please see the documentation for
54 QPressureSensor for details.
55
56 \sa PressureReading
57*/
58
59QmlPressureSensor::QmlPressureSensor(QObject *parent)
60 : QmlSensor(parent)
61 , m_sensor(new QPressureSensor(this))
62{
63}
64
65QmlPressureSensor::~QmlPressureSensor()
66{
67}
68
69QmlSensorReading *QmlPressureSensor::createReading() const
70{
71 return new QmlPressureReading(m_sensor);
72}
73
74QSensor *QmlPressureSensor::sensor() const
75{
76 return m_sensor;
77}
78
79/*!
80 \qmltype PressureReading
81 \instantiates QmlPressureReading
82 \ingroup qml-sensors_reading
83 \inqmlmodule QtSensors
84 \since QtSensors 5.1
85 \inherits SensorReading
86 \brief The PressureReading element holds the most recent PressureSensor reading.
87
88 The PressureReading element holds the most recent PressureSensor reading.
89
90 This element wraps the QPressureReading class. Please see the documentation for
91 QPressureReading for details.
92
93 This element cannot be directly created.
94*/
95
96QmlPressureReading::QmlPressureReading(QPressureSensor *sensor)
97 : QmlSensorReading(sensor)
98 , m_sensor(sensor)
99 , m_pressure(0)
100 , m_temperature(0)
101{
102}
103
104QmlPressureReading::~QmlPressureReading()
105{
106}
107
108/*!
109 \qmlproperty qreal PressureReading::pressure
110 This property holds the atmospheric pressure value in Pascals.
111
112 Please see QPressureReading::pressure for information about this property.
113*/
114
115qreal QmlPressureReading::pressure() const
116{
117 return m_pressure;
118}
119
120/*!
121 \qmlproperty qreal PressureReading::temperature
122 This property holds the pressure sensor's temperature value in degrees Celsius.
123
124 Please see QPressureReading::temperature for information about this property.
125 \since QtSensors 5.2
126*/
127
128qreal QmlPressureReading::temperature() const
129{
130 return m_temperature;
131}
132
133QSensorReading *QmlPressureReading::reading() const
134{
135 return m_sensor->reading();
136}
137
138void QmlPressureReading::readingUpdate()
139{
140 qreal pressure = m_sensor->reading()->pressure();
141 if (m_pressure != pressure) {
142 m_pressure = pressure;
143 Q_EMIT pressureChanged();
144 }
145
146 qreal temperature = m_sensor->reading()->temperature();
147 if (m_temperature != temperature) {
148 m_temperature = temperature;
149 Q_EMIT temperatureChanged();
150 }
151}
152

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