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

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

 /****************************************************************************
 **
 ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information ([email protected])
 **
 ** This file is part of the example classes of the Qt Toolkit.
 **
 ** Commercial Usage
 ** Licensees holding valid Qt Commercial licenses may use this file in
 ** accordance with the Qt Commercial License Agreement provided with the
 ** Software or, alternatively, in accordance with the terms contained in
 ** a written agreement between you and Nokia.
 **
 **
 ** GNU General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU
 ** General Public License versions 2.0 or 3.0 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.fsf.org/licensing/licenses/info/GPLv2.html and
 ** http://www.gnu.org/copyleft/gpl.html.  In addition, as a special
 ** exception, Nokia gives you certain additional rights. These rights
 ** are described in the Nokia Qt GPL Exception version 1.3, included in
 ** the file GPL_EXCEPTION.txt in this package.
 **
 ** Qt for Windows(R) Licensees
 ** As a special exception, Nokia, as the sole copyright holder for Qt
 ** Designer, grants users of the Qt/Eclipse Integration plug-in the
 ** right for the Qt/Eclipse Integration to link to functionality
 ** provided by Qt Designer and its related libraries.
 **
 ** If you are unsure which license is appropriate for your use, please
 ** contact the sales department at [email protected].
 **
 ****************************************************************************/

 #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