- connect(_socket, SIGNAL(connected()), SLOT(startReceiving()));
- connect(_socket, SIGNAL(disconnected()), SLOT(onSocketDisconnected()));
- connect(_socket, SIGNAL(error(QAbstractSocket::SocketError)), SLOT(onSocketError(QAbstractSocket::SocketError)));
- connect(_socket, SIGNAL(readyRead()), SLOT(onDataReceived()));
+ connect(_socket, &QAbstractSocket::connected, this, &CoreTransfer::startReceiving);
+ connect(_socket, &QAbstractSocket::disconnected, this, &CoreTransfer::onSocketDisconnected);
+ connect(_socket, selectOverload<QAbstractSocket::SocketError>(&QAbstractSocket::error), this, &CoreTransfer::onSocketError);
+ connect(_socket, &QIODevice::readyRead, this, &CoreTransfer::onDataReceived);