KNX Tunneling Features Example

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#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QtKnx>
#include <QtWidgets>
namespace Ui {
    class MainWindow;
}
class DeviceItem;
class MainWindow : public QMainWindow
{
    Q_OBJECT
public:
    explicit MainWindow(QWidget *parent = 0);
    ~MainWindow();
private slots:
    void onConnected();
    void onDisconnected();
    void onDeviceDiscovered(QKnxNetIpServerInfo info);
    void onErrorOccurred(QKnxNetIpEndpointConnection::Error error, QString errorString);
    void on_actionImport_triggered();
    void on_devices_currentIndexChanged(int index);
    void on_serviceTypes_currentIndexChanged(int index);
    void on_sendRead_clicked();
    void on_sendWrite_clicked();
    void on_connection_clicked();
private:
    void setupInterfaces();
    void toggleUi(bool enable);
    void populateServiceTypesComboBox();
    void populateInterfaceFeaturesComboBox();
    void setText(QKnx::InterfaceFeature feature, const QKnxByteArray &value);
    void populateFrame(QKnxNetIp::ServiceType type, QKnx::InterfaceFeature feature,
        const QKnxByteArray &value, int returnCode = -1);
    void onFeatureResponseReceived(QKnx::InterfaceFeature feature, QKnx::ReturnCode code,
        const QKnxByteArray &value);
    void onFeatureInfoReceived(QKnx::InterfaceFeature feature, const QKnxByteArray &value);
private:
    Ui::MainWindow *ui { nullptr };
    DeviceItem *m_device { nullptr };
    QTreeWidgetItem *m_last { nullptr };
    QTreeWidgetItem *m_current { nullptr };
    QKnxNetIpTunnel m_tunnel;
    QKnxNetIpServerDiscoveryAgent m_discoveryAgent;
    QVector<QKnxNetIpSecureConfiguration> m_secureConfigs;
};
#endif // MAINWINDOW_H