Qt Reference Documentation

mainwidget.h Example File

opengl/cube/mainwidget.h
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 #ifndef MAINWIDGET_H
 #define MAINWIDGET_H

 #include <QtOpenGL/QGLWidget>
 #include <QtOpenGL/QGLFunctions>

 #include <QMatrix4x4>
 #include <QQuaternion>
 #include <QVector2D>

 class QBasicTimer;
 class QGLShaderProgram;

 class GeometryEngine;

 class MainWidget : public QGLWidget, protected QGLFunctions
 {
     Q_OBJECT
 public:
     explicit MainWidget(QWidget *parent = 0);
     virtual ~MainWidget();

 signals:

 public slots:

 protected:
     void mousePressEvent(QMouseEvent *e);
     void mouseReleaseEvent(QMouseEvent *e);
     void timerEvent(QTimerEvent *e);

     void initializeGL();
     void resizeGL(int w, int h);
     void paintGL();

     void initShaders();
     void initTextures();

 private:
     QBasicTimer *timer;
     QGLShaderProgram *program;
     GeometryEngine *geometries;

     GLuint texture;

     QMatrix4x4 projection;

     QVector2D mousePressPosition;
     QVector3D rotationAxis;
     qreal angularSpeed;
     QQuaternion rotation;
 };

 #endif // MAINWIDGET_H