//
//  GLCanvas.h
//  hifi
//
//  Created by Stephen Birarda on 8/14/13.
//  Copyright (c) 2013 HighFidelity, Inc. All rights reserved.
//

#ifndef __hifi__GLCanvas__
#define __hifi__GLCanvas__

#include <QGLWidget>
#include <QTimer>

/// customized canvas that simply forwards requests/events to the singleton application
class GLCanvas : public QGLWidget {
    Q_OBJECT
public:
    GLCanvas();
    bool isThrottleRendering() const;
protected:
    
    QTimer _frameTimer;
    bool _throttleRendering;
    int _idleRenderInterval;
    
    virtual void initializeGL();
    virtual void paintGL();
    virtual void resizeGL(int width, int height);
    
    virtual void keyPressEvent(QKeyEvent* event);
    virtual void keyReleaseEvent(QKeyEvent* event);
    
    virtual void focusOutEvent(QFocusEvent* event);
    
    virtual void mouseMoveEvent(QMouseEvent* event);
    virtual void mousePressEvent(QMouseEvent* event);
    virtual void mouseReleaseEvent(QMouseEvent* event);
    
    virtual bool event(QEvent* event);
    
    virtual void wheelEvent(QWheelEvent* event);

    virtual void dragEnterEvent(QDragEnterEvent *event);
    virtual void dropEvent(QDropEvent* event);
        
private slots:
    void activeChanged(Qt::ApplicationState state);
    void throttleRender();
};

#endif /* defined(__hifi__GLCanvas__) */