Russian Qt Forum

C++ (Qt)
#include <QtGui>
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
#include <QtWidgets/QtWidgets>
#endif
 
#include <Windows.h>
 
class Widget : public QWidget
{
    Q_OBJECT
 
public:
    Widget(QWidget *parent = 0) : QWidget(parent), box(new QGroupBox("box", this)), b1(new QRadioButton("b1", box)), b2(new QRadioButton("b2", box))
    {
        QVBoxLayout *vbl = new QVBoxLayout(box);
        vbl->addWidget(b1);
        vbl->addWidget(b2);
 
        bg.addButton(b1);
        bg.addButton(b2);
        connect(&bg, SIGNAL(buttonClicked(QAbstractButton *)), SLOT(buttonFromGroupClicked(QAbstractButton *)));
    }
 
private slots:
    void buttonFromGroupClicked(QAbstractButton *button)
    {
        qDebug() << "selected button with title" << button->text();
    }
 
private:
    QGroupBox *box;
    QRadioButton *b1, *b2;
    QButtonGroup bg;
};
 
int main(int argc, char **argv)
{
    QApplication app(argc, argv);
 
    Widget w;
    w.show();
    w.adjustSize();
 
    return app.exec();
}
 
#include "main.moc"