cannonfield.h
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/****************************************************************************
**
** Copyright (C) 2005-2007 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 CANNON_H
#define CANNON_H
#include <QWidget>
class QTimer;
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);
void shoot();
void newTarget();
private slots:
void moveShot();
signals:
void hit();
void missed();
void angleChanged(int newAngle);
void forceChanged(int newForce);
protected:
void paintEvent(QPaintEvent *event);
private:
void paintShot(QPainter &painter);
void paintTarget(QPainter &painter);
void paintCannon(QPainter &painter);
QRect cannonRect() const;
QRect shotRect() const;
QRect targetRect() const;
int currentAngle;
int currentForce;
int timerCount;
QTimer *autoShootTimer;
float shootAngle;
float shootForce;
QPoint target;
};
#endif