#ifndef GLWIDGET_H
#define GLWIDGET_H

#include <QtOpenGL/QGLWidget>
#include "globals.h"

class qtSpectrumDisplay : public QGLWidget
{
    Q_OBJECT

public:
    qtSpectrumDisplay(QWidget *parent = 0);
    ~qtSpectrumDisplay();

    QSize minimumSizeHint() const;
    QSize sizeHint() const;

public slots:
    /*void setXRotation(int angle);
    void setYRotation(int angle);
    void setZRotation(int angle);*/

signals:
    void xRotationChanged(int angle);
    void yRotationChanged(int angle);
    void zRotationChanged(int angle);

protected:
    void initializeGL();
    void paintGL();
    void resizeGL(int width, int height);
    void mousePressEvent(QMouseEvent *event);
    void mouseMoveEvent(QMouseEvent *event);

private:
    //GLuint makeObject();
    void quad(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2,
              GLdouble x3, GLdouble y3, GLdouble x4, GLdouble y4);
    //void extrude(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2);
    void normalizeAngle(int *angle);
    void printWavenumber(int wn);

    GLuint object;
    int xRot;
    int yRot;
    int zRot;
    QPoint lastPos;
    QColor qtGreen;
    QColor qtPurple;
};

#endif