window.h

#ifndef WINDOW_H
#define WINDOW_H

#include <qwt/qwt_thermo.h>
#include <qwt/qwt_knob.h>
#include <qwt/qwt_plot.h>
#include <qwt/qwt_plot_curve.h>
#include <qwt/qwt_dial.h>
#include <qwt/qwt_dial_needle.h>
#include <qwt/qwt_round_scale_draw.h>
#include <qwt/qwt_text_label.h>


#include <QBoxLayout>

#include "audioStreamer.h"

// class definition 'Window'
class Window : public QWidget
{
    // must include the Q_OBJECT macro for for the Qt signals/slots framework to work with this class
    Q_OBJECT

public:
    Window(); // default constructor - called when a Window is declared without arguments

    ~Window();

    void timerEvent( QTimerEvent * );
public slots:
    void setGain(double gain);

// internal variables for the window class
private:
    QwtKnob      *knob;
    QwtThermo    *thermo;
    QwtPlot      *plot;
    QwtPlotCurve *curve;
    QwtDial      *dial;
    QwtPlot      *plot2;
    QwtPlotCurve *curve2;
    QwtTextLabel *currentNoteText; 
    QPainter     *dialNoteText;

    QwtDialSimpleNeedle *needle;
    QwtRoundScaleDraw *roundScale; 


    // layout elements from Qt itself http://qt-project.org/doc/qt-4.8/classes.html
    QVBoxLayout  *vLayout;  // vertical layout
    QHBoxLayout  *hLayout;  // horizontal layout
    QVBoxLayout  *dialLayout;

    static const int plotDataSize = 512;
    static const int fftPlotDataSize = plotDataSize/2 + 1; 
    // data arrays for the plot
    double xData[plotDataSize];
    double yData[plotDataSize];

    double xData2[plotDataSize];
    double yData2[plotDataSize];

    double gain;
    int count;
    audioStreamer *aStreamer;
};

#endif // WINDOW_H