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

cannonfield.h Example File
tutorial/t10/cannonfield.h

    /****************************************************************************
    **
    ** Copyright (C) 2005-2005 Trolltech AS. All rights reserved.
    **
    ** This file is part of the documentation 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.
    **
    ****************************************************************************/

    /****************************************************************
    **
    ** Definition of CannonField class, Qt tutorial 10
    **
    ****************************************************************/

    #ifndef CANNON_H
    #define CANNON_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 // CANNON_H


Copyright © 2005 Trolltech Trademarks
Qt 4.0.1