QtLogger::QtLogger()
    : messageQueue( new QQueue<QString> )
{
    std::clog << "mq.size: "
            << (messageQueue->isEmpty()?(-1):messageQueue->size())
            << std::endl;
}

// ======================================

class QtLogger
{
public:
    QtLogger();
    ~QtLogger();

protected:
    QQueue< QString >* messageQueue;
};