Russian Qt Forum

Widget::Widget(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::Receiver)
{
    ui->setupUi(this);

    reader = new ReadThread();
    reader->active = true;
    reader->start(QThread::NormalPriority);
    connect (reader, SIGNAL(newData(QString)), SLOT(appendNewData(QString)));

}

Widget::~Widget()
{
    delete ui;
    reader->active = false;
    sleep(1);
    if (reader->isRunning())
        reader->terminate();
}

void Widget::appendNewData(QString data)
{
    ui->txt->append(data);
}

void ReadThread::run()
{
    QTextStream stream(stdin);
    QString s;
    while(active){
        stream >> s;
        emit newData(s);
    }
}