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** Copyright (C) 2005-2007 Trolltech ASA. All rights reserved.
** This file is part of the demonstration applications 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://trolltech.com/products/qt/licenses/licensing/opensource/
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
** In addition, as a special exception, Trolltech gives you certain
** additional rights. These rights are described in the Trolltech GPL
** Exception version 1.0, which can be found at
** http://www.trolltech.com/products/qt/gplexception/ and in the file
** GPL_EXCEPTION.txt in this package.
** In addition, as a special exception, Trolltech, 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.
** Trolltech reserves all rights not expressly granted herein.
** Trolltech ASA (c) 2007
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE

#ifndef DOCUMENT_H
#define DOCUMENT_H

#include <QWidget>

class QUndoStack;
class QTextStream;

class Shape
    enum Type { Rectangle, Circle, Triangle };

    Shape(Type type = Rectangle, const QColor &color = Qt::red, const QRect &rect = QRect());

    Type type() const;
    QString name() const;
    QRect rect() const;
    QRect resizeHandle() const;
    QColor color() const;

    static QString typeToString(Type type);
    static Type stringToType(const QString &s, bool *ok = 0);

    static const QSize minSize;

    Type m_type;
    QRect m_rect;
    QColor m_color;
    QString m_name;

    friend class Document;

class Document : public QWidget

    Document(QWidget *parent = 0);

    QString addShape(const Shape &shape);
    void deleteShape(const QString &shapeName);
    Shape shape(const QString &shapeName) const;
    QString currentShapeName() const;

    void setShapeRect(const QString &shapeName, const QRect &rect);
    void setShapeColor(const QString &shapeName, const QColor &color);

    bool load(QTextStream &stream);
    void save(QTextStream &stream);

    QString fileName() const;
    void setFileName(const QString &fileName);

    QUndoStack *undoStack() const;

    void currentShapeChanged(const QString &shapeName);

    void paintEvent(QPaintEvent *event);
    void mousePressEvent(QMouseEvent *event);
    void mouseReleaseEvent(QMouseEvent *event);
    void mouseMoveEvent(QMouseEvent *event);

    void setCurrentShape(int index);
    int indexOf(const QString &shapeName) const;
    int indexAt(const QPoint &pos) const;
    QString uniqueName(const QString &name) const;

    QList<Shape> m_shapeList;
    int m_currentIndex;
    int m_mousePressIndex;
    QPoint m_mousePressOffset;
    bool m_resizeHandlePressed;
    QString m_fileName;

    QUndoStack *m_undoStack;

#endif // DOCUMENT_H

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