// PRIVATE: Socket connection methods
void MainWindow::connectSocket()
{
Q_ASSERT(nullptr == _socket);
_socket = new QTcpSocket();
_socket->setSocketOption(QAbstractSocket::KeepAliveOption, 1);
// TcpSocket: Connect signals and slots
bool isOk;
isOk = connect(_socket, SIGNAL(readyRead()), this, SLOT(onDataRecieved()));
Q_ASSERT(isOk);
Q_UNUSED(isOk);
isOk = connect(_socket, SIGNAL(connected()), this, SLOT(onConnected()));
Q_ASSERT(isOk);
Q_UNUSED(isOk);
isOk = connect(_socket, SIGNAL(disconnected()), this, SLOT(onDisconnected()));
Q_ASSERT(isOk);
Q_UNUSED(isOk);
isOk = connect(_socket, SIGNAL(error(QAbstractSocket::SocketError)),
this, SLOT(onErrorSocket(QAbstractSocket::SocketError)));
Q_ASSERT(isOk);
Q_UNUSED(isOk);
_socket->connectToHost(_programSettings.server.ipV4Address,
_programSettings.server.port);
setWindowTitle(QString("%1 " + tr("Connecting...") + " %2:%3")
.arg(_programSettings.application.name)
.arg(_programSettings.server.ipV4Address)
.arg(_programSettings.server.port));
}
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
// Load program settings from "assets/config.xml"
ConfigLoader configLoader(CONFIG_FILE, this);
_programSettings = configLoader.getProgramSettings();
// Load program setting from persistant storage
QCoreApplication::setOrganizationName(ORGANIZATION_NAME);
QCoreApplication::setOrganizationDomain(ORGANIZATION_DOMAIN);
QCoreApplication::setApplicationName(APPLICATION_NAME);
_programSettingsPersistant = new QSettings(this);
// Setup the GUI
ui->setupUi(this);
connect(ui->action_About, SIGNAL(triggered()), this, SLOT(onActionAboutTriggered()));
// Setup the indicators display area
_scene = new CGraphicsScene(this);
ui->graphicsView->setScene(_scene);
QString imageFilePath = ASSETS_PATH + _programSettings.backgroundImageFileName;
QImage imageBackgroundImage(ASSETS_PATH + _programSettings.backgroundImageFileName);
if (imageBackgroundImage.isNull()) {
qDebug() << "Background image failed to load: " + imageFilePath;
}
ui->graphicsView->setBackgroundBrush(QBrush(QColor(50, 50, 50)));
QRect sceneRect(0, 0, imageBackgroundImage.width(), imageBackgroundImage.height());
QGraphicsRectItem* sceneRectItemBackground = _scene->addRect(sceneRect);
sceneRectItemBackground->setBrush(QBrush(imageBackgroundImage));
// Load the indicators
_listIndicatorProperties = configLoader.getIndicatorProperties();
for (IndicatorProperties currentIndicatorProperties: _listIndicatorProperties) {
TemperatureIndicator* temperatureIndicator =
new TemperatureIndicator(currentIndicatorProperties,
_programSettings,
ui->listWidget,
_scene);
temperatureIndicator->setPosition(currentIndicatorProperties.position);
temperatureIndicator->setSensorState(SensorState::Disconnected);
temperatureIndicator->update();
QString key = QString::number(temperatureIndicator->getSensorId());
if (_programSettingsPersistant->contains(key)) {
qreal temperature = _programSettingsPersistant->value(key).toDouble();
temperatureIndicator->setTemperatureTarget(temperature);
}
else {
temperatureIndicator->setTemperatureTarget(currentIndicatorProperties.temperatureTarget);
_programSettingsPersistant->setValue(key, temperatureIndicator->getTemperatureTarget());
}
_temperatureIndicators.push_back(temperatureIndicator);
}
bool isOk;
for(auto indicator: _temperatureIndicators) {
isOk = connect(indicator,
SIGNAL(doubleClicked(QGraphicsSceneMouseEvent*)),
this,
SLOT(onTemperatureIndicatorDoubleClicked(QGraphicsSceneMouseEvent*)));
Q_ASSERT(isOk);
Q_UNUSED(isOk);
}
_currentTemperatureIndicator = _temperatureIndicators[0];
_currentTemperatureIndicator->setIndicatorSelected(true);
// Connect QListWidget signal to TemperatureIndicators
isOk = connect(ui->listWidget,
SIGNAL(itemClicked(QListWidgetItem*)),
this,
SLOT(onListWidgetItemClicked(QListWidgetItem*)));
Q_ASSERT(isOk);
Q_UNUSED(isOk);
isOk = connect(ui->listWidget,
SIGNAL(itemDoubleClicked(QListWidgetItem*)),
this,
SLOT(onListWidgetItemDoubleClicked(QListWidgetItem*)));
Q_ASSERT(isOk);
Q_UNUSED(isOk);
// Setup socket
connectSocket();
connect(_socket, SIGNAL(readyRead()), this, SLOT(onDataRecieved()) );
connect(_socket, SIGNAL(connected()), this, SLOT(onConnected()) );
connect(_socket, SIGNAL(disconnected()), this, SLOT(onDisconnected()) );
connect(_socket, SIGNAL(error(QAbstractSocket::SocketError)),
this, SLOT(onErrorSocket(QAbstractSocket::SocketError)));
}
