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cannonfield.h

/****************************************************************************
**
** Copyright (C) 2005-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#ifndef CANNONFIELD_H
#define CANNONFIELD_H

#include <QWidget>

class CannonField : public QWidget
{
    Q_OBJECT

public:
    CannonField(QWidget *parent = 0);

    int angle() const { return currentAngle; }
    int force() const { return currentForce; }

public slots:
    void setAngle(int angle);
    void setForce(int force);

signals:
    void angleChanged(int newAngle);
    void forceChanged(int newForce);

protected:
    void paintEvent(QPaintEvent *event);

private:
    QRect cannonRect() const;

    int currentAngle;
    int currentForce;
};

#endif

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