text: /****************************************************************************
  **
  ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  ** All rights reserved.
  ** Contact: Nokia Corporation (qt-info@nokia.com)
  **
  ** This file is part of the QtGui module of the Qt Toolkit.
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  ** No Commercial Usage
  ** This file contains pre-release code and may not be distributed.
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  ** contained in the Technology Preview License Agreement accompanying
  ** this package.
  **
  ** GNU Lesser General Public License Usage
  ** Alternatively, this file may be used under the terms of the GNU Lesser
  ** General Public License version 2.1 as published by the Free Software
  ** Foundation and appearing in the file LICENSE.LGPL included in the
  ** packaging of this file.  Please review the following information to
  ** ensure the GNU Lesser General Public License version 2.1 requirements
  ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
  **
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  ** rights.  These rights are described in the Nokia Qt LGPL Exception
  ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
  **
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  ** Nokia at qt-info@nokia.com.
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  ** $QT_END_LICENSE$
  **
  ****************************************************************************/
  
  #ifndef QTSCROLLEVENT_H
  #define QTSCROLLEVENT_H
  
  #include <QEvent>
  #include <QPointF>
  #include <QSizeF>
  #include <QRectF>
  #include <QScopedPointer>
  
  
  class QtScrollPrepareEventPrivate;
  class QtScrollPrepareEvent : public QEvent
  {
  public:
      enum { ScrollPrepare = 15056 }; // random number
  
      QtScrollPrepareEvent(const QPointF &startPos);
      ~QtScrollPrepareEvent();
  
      QPointF startPos() const;
  
      QSizeF viewportSize() const;
      QRectF contentPosRange() const;
      QPointF contentPos() const;
  
      void setViewportSize(const QSizeF &size);
      void setContentPosRange(const QRectF &rect);
      void setContentPos(const QPointF &pos);
  
  private:
      QScopedPointer<QtScrollPrepareEventPrivate> d;
  };
  
  
  class QtScrollEventPrivate;
  class QtScrollEvent : public QEvent
  {
  public:
      enum { Scroll = 15057 }; // random number
  
      enum ScrollState
      {
          ScrollStarted,
          ScrollUpdated,
          ScrollFinished
      };
  
      QtScrollEvent(const QPointF &contentPos, const QPointF &overshoot, ScrollState scrollState);
      ~QtScrollEvent();
  
      QPointF contentPos() const;
      QPointF overshootDistance() const;
      ScrollState scrollState() const;
  
  private:
      QScopedPointer<QtScrollEventPrivate> d;
  };
  
  #endif // QTSCROLLEVENT_H