LocationProvider::LocationProvider() : QObject(),
m_location(NULL), m_compass(NULL) {
qDebug() << __FUNCTION__;
m_location = QGeoPositionInfoSource::createDefaultSource(this);
if(!m_location) {
qWarning() << __FUNCTION__ << "no default position source found";
#ifdef GPSDPOSITIONINFOSOURCE
qDebug() << __FUNCTION__ << "using gpsd";
m_location = new GpsdPositionInfoSource(this);
#else
qDebug() << __FUNCTION__ << "running simulation from nmea log";
// if everything fails: try to load nmealog.txt from parent dir
QNmeaPositionInfoSource *nmeaLocation =
new QNmeaPositionInfoSource(QNmeaPositionInfoSource::SimulationMode, this);
nmeaLocation->setDevice(new QFile(QApplication::applicationDirPath() +
+ "/../nmealog.txt", this));
m_location = nmeaLocation;
#endif
}
if(m_location) {
m_location->setUpdateInterval(1000);
connect(m_location, SIGNAL(positionUpdated(QGeoPositionInfo)),
this, SLOT(positionHasBeenUpdated(QGeoPositionInfo)));
m_location->startUpdates();
} else
qWarning() << __FUNCTION__ << ": Position reporting finally failed!";
m_compass = new QCompass(this);
connect(m_compass, SIGNAL(readingChanged()),
this, SLOT(checkCompassReading()));
if(!m_compass->start()) {
qDebug() << __FUNCTION__ << "failed to start compass";
// and forget aboout it
delete m_compass;
m_compass = NULL;
}
}
GPSModule::GPSModule(QObject *parent) : QObject(parent)
{
QSerialPort* serial = new QSerialPort(this);
serial->setPortName(QString("/dev/ttyUSB0"));
serial->setBaudRate(QSerialPort::Baud9600);
serial->setDataBits(QSerialPort::Data8);
serial->setParity(QSerialPort::NoParity);
serial->setStopBits(QSerialPort::OneStop);
serial->open(QIODevice::ReadOnly);
if(serial->isOpen())
{
QNmeaPositionInfoSource *source = new QNmeaPositionInfoSource(QNmeaPositionInfoSource::RealTimeMode);
source->setDevice(serial);
if(source){
connect(source, SIGNAL(positionUpdated(QGeoPositionInfo)), this, SLOT(positionUpdate(QGeoPositionInfo)));
source->setPreferredPositioningMethods(QGeoPositionInfoSource::AllPositioningMethods);
source->setUpdateInterval(2000);
source->startUpdates();
}
}
}
FlickrDemo::FlickrDemo(QWidget* parent) :
QMainWindow(parent),
m_logfileInUse(false),
m_session(0),
m_pictureListReply(0),
m_thumbnailReply(0),
m_pictureReply(0),
m_pages(0),
m_page(1),
m_satellitesInView(0),
m_satellitesUsed(0),
m_latitude(-1000),
m_longitude(-1000),
m_downloadPictureList(true),
m_shuttingDown(false)
{
resize(252, 344);
locationLabel = new QLabel(tr("Lat: Long:"));
satellitesLabel = new QLabel(tr("Using 0 of 0 satellites"));
listWidget = new XQListWidget();
downloadButton = new QPushButton(tr("Download Picture List"));
QVBoxLayout *verticalLayout = new QVBoxLayout();
verticalLayout->addWidget(locationLabel);
verticalLayout->addWidget(satellitesLabel);
verticalLayout->addWidget(listWidget);
verticalLayout->addWidget(downloadButton);
QWidget *centralWidget = new QWidget;
centralWidget->setLayout(verticalLayout);
setCentralWidget(centralWidget);
createMenus();
listWidget->setGridSize(gridSize);
listWidget->setIconSize(thumbnailSize);
m_progressDialog = new QProgressDialog(this);
m_progressDialog->setModal(true);
connect(m_progressDialog, SIGNAL(canceled()), this, SLOT(cancelDownload()));
setWindowTitle(tr("Flickr Demo"));
// QGeoPositionInfoSource
m_location = QGeoPositionInfoSource::createDefaultSource(this);
if (m_location == 0) {
QNmeaPositionInfoSource *nmeaLocation = new QNmeaPositionInfoSource(QNmeaPositionInfoSource::SimulationMode, this);
QFile *logFile = new QFile(QApplication::applicationDirPath()
+ QDir::separator() + "nmealog.txt", this);
nmeaLocation->setDevice(logFile);
m_location = nmeaLocation;
m_logfileInUse = true;
}
// Listen gps position changes
connect(m_location, SIGNAL(positionUpdated(QGeoPositionInfo)),
this, SLOT(positionUpdated(QGeoPositionInfo)));
// QGeoSatelliteInfoSource
m_satellite = QGeoSatelliteInfoSource::createDefaultSource(this);
// Listen satellite status changes
if (m_satellite != 0) {
connect(m_satellite, SIGNAL(satellitesInViewUpdated(const QList<QGeoSatelliteInfo>&)),
this, SLOT(satellitesInViewUpdated(const QList<QGeoSatelliteInfo>&)));
connect(m_satellite, SIGNAL(satellitesInUseUpdated(const QList<QGeoSatelliteInfo>&)),
this, SLOT(satellitesInUseUpdated(const QList<QGeoSatelliteInfo>&)));
}
QGeoPositionInfoSource *createTestSource()
{
QNmeaPositionInfoSource *source = new QNmeaPositionInfoSource(QNmeaPositionInfoSource::SimulationMode);
source->setDevice(new UnlimitedNmeaStream(source));
return source;
}
