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puzzlewidget.h Example File
itemviews/puzzle/puzzlewidget.h

 /****************************************************************************
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 ** Copyright (C) 2005-2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
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 ** This file is part of the documentation of the Qt Toolkit.
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 ** Licensees holding a valid Qt License Agreement may use this file in
 ** accordance with the rights, responsibilities and obligations
 ** contained therein.  Please consult your licensing agreement or
 ** contact [email protected] if any conditions of this licensing
 ** agreement are not clear to you.
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 ** http://trolltech.com/products/appdev/licensing.
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 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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 #ifndef PUZZLEWIDGET_H
 #define PUZZLEWIDGET_H

 #include <QList>
 #include <QPoint>
 #include <QPixmap>
 #include <QWidget>

 class QDragEnterEvent;
 class QDropEvent;
 class QMouseEvent;

 class PuzzleWidget : public QWidget
 {
     Q_OBJECT

 public:
     PuzzleWidget(QWidget *parent = 0);
     void clear();

 signals:
     void puzzleCompleted();

 protected:
     void dragEnterEvent(QDragEnterEvent *event);
     void dragLeaveEvent(QDragLeaveEvent *event);
     void dragMoveEvent(QDragMoveEvent *event);
     void dropEvent(QDropEvent *event);
     void mousePressEvent(QMouseEvent *event);
     void paintEvent(QPaintEvent *event);

 private:
     int findPiece(const QRect &pieceRect) const;
     const QRect targetSquare(const QPoint &position) const;

     QList<QPixmap> piecePixmaps;
     QList<QRect> pieceRects;
     QList<QPoint> pieceLocations;
     QRect highlightedRect;
     int inPlace;
 };

 #endif


Copyright © 2008 Nokia Corporation and/or its subsidiary(-ies) Trademarks
Qt 4.4.3