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

puzzlewidget.h Example File
^{draganddrop/puzzle/puzzlewidget.h}

 /****************************************************************************
 **
 ** Copyright (C) 2005-2007 Trolltech ASA. All rights reserved.
 **
 ** This file is part of the example classes 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 [email protected].
 **
 ** 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 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