explorer.cpp Example File


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#include "explorer.h" #include <QtCore/QDebug> #include <qsensor.h> #include <QMetaObject> #include <QMetaProperty> /* \class QSensorExplorer \brief The QSensorExplorer type provides an easy access for reading all avalaible sensors installed on the system. */ /* Construct a QSensorExplorer object with parent \a parent */ QSensorExplorer::QSensorExplorer(QObject* parent) : QObject(parent) , _selectedSensorItem(0) { loadSensors(); } /* Destructor of a QSensorExplorer */ QSensorExplorer::~QSensorExplorer() { } /* Load all available sensors and store it in a list. */ void QSensorExplorer::loadSensors() { _availableSensors.clear(); foreach (const QByteArray &type, QSensor::sensorTypes()) { qDebug() << "Found type" << type; foreach (const QByteArray &identifier, QSensor::sensorsForType(type)) { qDebug() << "Found identifier" << identifier; // Don't put in sensors we can't connect to QSensor* sensor = new QSensor(type, this); sensor->setIdentifier(identifier); if (!sensor->connectToBackend()) { qDebug() << "Couldn't connect to" << identifier; continue; } qDebug() << "Adding identifier" << identifier; _availableSensors.append(new QSensorItem(sensor, this)); } } emit availableSensorsChanged(); } /* \fn QSensorExplorer::availableSensorsChanged() Notifies the client if the list of the available sensors was changed */ /* \property QSensorExplorer::availableSensors Returns a list of all available sensor. */ QQmlListProperty<QSensorItem> QSensorExplorer::availableSensors() { return QQmlListProperty<QSensorItem>(this,_availableSensors); } /* \fn QSensorExplorer::selectedSensorItemChanged() Notifies the client if the selected sensor has been changed */ /* \property QSensorExplorer::selectedSensorItem Returns the current selected sensor item. */ QSensorItem* QSensorExplorer::selectedSensorItem() { return _selectedSensorItem; } /* \fn QSensorExplorer::setSelectedSensorItem(QSensorItem* selitem) Sets the QSensorItem \a selitem as the current selected QSensorItem. */ void QSensorExplorer::setSelectedSensorItem(QSensorItem* selitem) { if (selitem && _selectedSensorItem != selitem) { if (_selectedSensorItem) _selectedSensorItem->unSelect(); _selectedSensorItem = selitem; _selectedSensorItem->select(); emit selectedSensorItemChanged(); } }