Stellarium 0.11.4
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core/StelAppGraphicsWidget.hpp

/*
 * Stellarium
 * Copyright (C) 2009 Fabien Chereau
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335, USA.
 */

#ifndef _STELAPPGRAPHICSWIDGET_HPP_
#define _STELAPPGRAPHICSWIDGET_HPP_

#include <QGraphicsWidget>

class StelViewportEffect;

class StelAppGraphicsWidget : public QGraphicsWidget
{
    Q_OBJECT
public:
    StelAppGraphicsWidget();
    ~StelAppGraphicsWidget();

    void init(class QSettings* conf);

    virtual void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget=0);

    void setViewportEffect(const QString& effectName);
    QString getViewportEffect() const;

    void setDoPaint(bool b) {doPaint=b;}
    
protected:
    virtual void keyPressEvent(QKeyEvent* event);
    virtual void keyReleaseEvent(QKeyEvent* event);
    virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
    virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
    virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
    virtual void wheelEvent(QGraphicsSceneWheelEvent * wheelEvent);
    virtual void resizeEvent(QGraphicsSceneResizeEvent* event);

private:
    double previousPaintTime;
    double previousPaintFrameTime;
    class StelApp* stelApp;
    int paintState;

    bool useBuffers;
    class QGLFramebufferObject* backgroundBuffer;
    class QGLFramebufferObject* foregroundBuffer;

    void initBuffers();
    void swapBuffers();
    bool paintPartial();

    StelViewportEffect* viewportEffect;
    void distortPos(QPointF* pos);
    
    bool doPaint;
};

#endif // _STELAPPGRAPHICSWIDGET_HPP_

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