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C++ (Qt)
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "host.h"
#include "QDebug"
#include <QtGui>
MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
 
 
    //connect(port,SIGNAL(newDataInPortSignal(QTime,const unsigned char *, const int)),this, SLOT(receiveMsg(QTime,const unsigned char *, const int)));
   // Host::connect(&abc, SIGNAL(valueChanged(int)),this, SLOT(setValue(int)));
    //connect(&port, SIGNAL(valueChanged(int)),this, SLOT(setValue(int)));
 
    ui->setupUi(this);
 
Qt::WindowFlags flags = 0;
 flags = Qt::Popup;
 
 QWidget::setWindowFlags(flags);
 QWidget::showFullScreen();
 
 QTimer *timer = new QTimer(this);
      connect(timer, SIGNAL(timeout()), this, SLOT(update()));
      timer->start(1000);
 
}
 
MainWindow::~MainWindow()
{
    delete ui;
}
 
 
void MainWindow::logData(double zen,double az,double ot,int stkov)
{
    QString azm, otk, zeni;
 
    zeni=zeni.setNum(zen);
    azm=azm.setNum(az);
    otk=otk.setNum(ot);
 
 
ui->zenit->setText(zeni);
ui->azimut->setText(azm);
ui->otklonitel->setText(otk);
ui->signal->setText("");
if(stkov==0)
{
  ui->stk->setText("No");
}
else if(stkov==1)
{
  ui->stk->setText("Yes");
 
}
}
 
void MainWindow::onsysmsg(QString Smsg)
{
    if(Smsg=="Timeout occurred.") ui->signal->setText(QString::fromLocal8Bit("No signal"));
    //ui->mytxt->setPlainText(Smsg);
 
}
 
void MainWindow::paintEvent(QPaintEvent *)
 {
     static const QPoint minuteHand[3] = {
         QPoint(7, 8),
         QPoint(-7, 8),
         QPoint(0, -70)
     };
 
     QColor minuteColor(127, 0, 127);
     QColor hourColor (0, 127, 127);
 
     int side = qMin(width(), height());
     QTime time = QTime::currentTime();
 
     QPainter painter(this);
     painter.setRenderHint(QPainter::Antialiasing);
     painter.translate(width() / 2, height() / 2); // По центру
     painter.scale(side / 300.0, side / 300.0); //Маштабируемость
 
     painter.setPen(Qt::NoPen);
 
     painter.setPen(hourColor);
     for (int i = 0; i < 90; ++i) {
         painter.drawLine(88, 0, 96, 0);
         painter.rotate(4.0);
     }
     painter.setPen(Qt::NoPen);
     painter.setBrush(minuteColor);
 
     painter.save();
painter.rotate(6.0 * (time.minute() + time.second() / 60.0));
     painter.drawConvexPolygon(minuteHand, 3);
     painter.restore();
 
     painter.setPen(minuteColor);
 
 }
 
 

C
int	addTab ( QWidget * page, const QString & label )
 

C++ (Qt)
QWidget* wt = new QWidget;
ui->tabWidget->addTab(wt, "tab_5");