mainwindow.h

#include <qwidget.h>
#include <QRadioButton>
#include <QtGui/QPushButton>
#include "led/led.h"
#include <QtGui/QCheckBox>

class Plot;
class Knob;
class WheelBox;

class MainWindow : public QWidget
{
    Q_OBJECT


public:
    MainWindow( QWidget * = NULL );

    void start();

    double amplitude() const;
    double frequency() const;
    double signalInterval() const;
public Q_SLOTS:
    void swoverloadled(bool);
Q_SIGNALS:
    void amplitudeChanged( double );
    void frequencyChanged( double );
    void signalIntervalChanged( double );

private:
    Knob *d_frequencyKnob;
    Knob *d_amplitudeKnob;
    WheelBox *d_timerWheel;
    WheelBox *d_intervalWheel;
    WheelBox *d_offsetWheel;
    QRadioButton *d_synclock;
    Plot *d_plot;
    QPushButton *d_saveImageBtn;
    Led *d_overloadLed;
    QCheckBox *checkBox;
};