Qt:Документация 4.3.2/tutorial-t13-cannonfield-h
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[править] cannonfield.h Example File
tutorial/t13/cannonfield.h
/**************************************************************************** ** ** 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://trolltech.com/products/qt/licenses/licensing/opensource/ ** ** If you are unsure which license is appropriate for your use, please ** review the following information: ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview ** or contact the sales department at sales@trolltech.com. ** ** In addition, as a special exception, Trolltech gives you certain ** additional rights. These rights are described in the Trolltech GPL ** Exception version 1.0, which can be found at ** http://www.trolltech.com/products/qt/gplexception/ and in the file ** GPL_EXCEPTION.txt in this package. ** ** In addition, as a special exception, Trolltech, as the sole copyright ** holder for Qt Designer, grants users of the Qt/Eclipse Integration ** plug-in the right for the Qt/Eclipse Integration to link to ** functionality provided by Qt Designer and its related libraries. ** ** Trolltech reserves all rights not expressly granted herein. ** ** Trolltech ASA (c) 2007 ** ** 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 QTimer; class CannonField : public QWidget { Q_OBJECT public: CannonField(QWidget *parent = 0); int angle() const { return currentAngle; } int force() const { return currentForce; } bool gameOver() const { return gameEnded; } bool isShooting() const; public slots: void setAngle(int angle); void setForce(int force); void shoot(); void newTarget(); void setGameOver(); void restartGame(); private slots: void moveShot(); signals: void hit(); void missed(); void angleChanged(int newAngle); void forceChanged(int newForce); void canShoot(bool can); 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; bool gameEnded; }; #endif
Copyright © 2007 Trolltech | Trademarks | Qt 4.3.2
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