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50
51#include "explorer.h"
52#include <QtCore/QDebug>
53#include <qsensor.h>
54#include <QMetaObject>
55#include <QMetaProperty>
56
57QT_BEGIN_NAMESPACE
58
59/*
60 \class QSensorExplorer
61 \brief The QSensorExplorer type provides an easy access for reading all avalaible sensors installed on the system.
62*/
63
64/*
65 Construct a QSensorExplorer object with parent \a parent
66*/
67QSensorExplorer::QSensorExplorer(QObject* parent)
68 : QObject(parent)
69 , _selectedSensorItem(0)
70{
71 loadSensors();
72}
73
74/*
75 Destructor of a QSensorExplorer
76*/
77QSensorExplorer::~QSensorExplorer()
78{
79}
80
81/*
82 Load all available sensors and store it in a list.
83*/
84void QSensorExplorer::loadSensors()
85{
86 //! [0]
87 _availableSensors.clear();
88
89 foreach (const QByteArray &type, QSensor::sensorTypes()) {
90 qDebug() << "Found type" << type;
91 foreach (const QByteArray &identifier, QSensor::sensorsForType(type)) {
92 qDebug() << "Found identifier" << identifier;
93 // Don't put in sensors we can't connect to
94 QSensor* sensor = new QSensor(type, this);
95 sensor->setIdentifier(identifier);
96 if (!sensor->connectToBackend()) {
97 qDebug() << "Couldn't connect to" << identifier;
98 continue;
99 }
100
101 qDebug() << "Adding identifier" << identifier;
102 _availableSensors.append(t: new QSensorItem(sensor, this));
103 }
104 }
105 emit availableSensorsChanged();
106 //! [0]
107}
108
109/*
110 \fn QSensorExplorer::availableSensorsChanged()
111 Notifies the client if the list of the available sensors was changed
112*/
113
114/*
115 \property QSensorExplorer::availableSensors
116 Returns a list of all available sensor.
117*/
118QQmlListProperty<QSensorItem> QSensorExplorer::availableSensors()
119{
120 return QQmlListProperty<QSensorItem>(this, &_availableSensors);
121}
122
123/*
124 \fn QSensorExplorer::selectedSensorItemChanged()
125 Notifies the client if the selected sensor has been changed
126*/
127
128/*
129 \property QSensorExplorer::selectedSensorItem
130 Returns the current selected sensor item.
131*/
132QSensorItem* QSensorExplorer::selectedSensorItem()
133{
134 return _selectedSensorItem;
135}
136
137/*
138 \fn QSensorExplorer::setSelectedSensorItem(QSensorItem* selitem)
139 Sets the QSensorItem \a selitem as the current selected QSensorItem.
140*/
141void QSensorExplorer::setSelectedSensorItem(QSensorItem* selitem)
142{
143 if (selitem && _selectedSensorItem != selitem) {
144 if (_selectedSensorItem)
145 _selectedSensorItem->unSelect();
146 _selectedSensorItem = selitem;
147 _selectedSensorItem->select();
148 emit selectedSensorItemChanged();
149 }
150}
151
152QT_END_NAMESPACE
153

source code of qtsensors/examples/sensors/sensor_explorer/import/explorer.cpp