Russian Qt Forum

#include "maindialog.h"

int main(int argc, char* argv[])
{
    QApplication app(argc, argv);

 //   QTextCodec * myTextCodec = QTextCodec::codecForName("KOI8-R");
 //   QTextCodec::setCodecForCStrings (myTextCodec);
    MainFrame win;
    win.show();

    app.exec();

}

class MainFrame : public QDialog, private Ui::MainDialog
{
    Q_OBJECT
public:
    MainFrame(QWidget *parent = 0);
public slots:
// нажали на кнопку
    void load_pressed();
};
MainFrame::MainFrame(QWidget *parent): QDialog(parent)
{
    setupUi(this);
    connect(Load_butn, SIGNAL(clicked()),this, SLOT(load_pressed()));
}
void MainFrame::load_pressed()
{
    QTextCodec * myTextCodec = QTextCodec::codecForName("KOI8-R");
    QTextCodec::setCodecForCStrings (myTextCodec);
    delete myTextCodec;
}

 delete myTextCodec;