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# circlewidget.h Example File
painting/concentriccircles/circlewidget.h

     /****************************************************************************
     **
     ** Copyright (C) 2005-$THISYEAR$ $TROLLTECH$. All rights reserved.
     **
     ** This file is part of the $MODULE$ of the Qt Toolkit.
     **
     ** $TROLLTECH_DUAL_LICENSE$
     **
     ** 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 CIRCLEWIDGET_H
     #define CIRCLEWIDGET_H

     #include <QWidget>

     class CircleWidget : public QWidget
     {
         Q_OBJECT

     public:
         CircleWidget(QWidget *parent = 0);

         void setFloatBased(bool floatBased);
         void setAntialiased(bool antialiased);

         QSize minimumSizeHint() const;
         QSize sizeHint() const;

     public slots:
         void nextAnimationFrame();

     protected:
         void paintEvent(QPaintEvent *event);

     private:
         bool floatBased;
         bool antialiased;
         int frameNo;
     };

     #endif