Home · All Namespaces · All Classes · Main Classes · Grouped Classes · Modules · Functions

cannonfield.h Example File

 ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information (qt-info@nokia.com)
 ** This file is part of the example classes of the Qt Toolkit.
 ** Commercial Usage
 ** Licensees holding valid Qt Commercial licenses may use this file in
 ** accordance with the Qt Commercial License Agreement provided with the
 ** Software or, alternatively, in accordance with the terms contained in
 ** a written agreement between you and Nokia.
 ** GNU General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU
 ** General Public License versions 2.0 or 3.0 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.fsf.org/licensing/licenses/info/GPLv2.html and
 ** http://www.gnu.org/copyleft/gpl.html.  In addition, as a special
 ** exception, Nokia gives you certain additional rights. These rights
 ** are described in the Nokia Qt GPL Exception version 1.3, included in
 ** the file GPL_EXCEPTION.txt in this package.
 ** Qt for Windows(R) Licensees
 ** As a special exception, Nokia, 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.
 ** If you are unsure which license is appropriate for your use, please
 ** contact the sales department at qt-sales@nokia.com.


 #include <QWidget>

 class QTimer;

 class CannonField : public QWidget

     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();

 private slots:
     void moveShot();

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

     void paintEvent(QPaintEvent *event);

     void paintShot(QPainter &painter);
     void paintCannon(QPainter &painter);
     QRect cannonRect() const;
     QRect shotRect() const;

     int currentAngle;
     int currentForce;

     int timerCount;
     QTimer *autoShootTimer;
     float shootAngle;
     float shootForce;


Copyright © 2008 Nokia Trademarks
Qt 4.4.3