/****************************************************************************+
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**+
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the demonstration applications of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef COMMANDS_H+
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#define COMMANDS_H+
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+
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#include <QUndoCommand>+
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#include "document.h"+
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+
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class AddShapeCommand : public QUndoCommand+
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{+
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public:+
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    AddShapeCommand(Document *doc, const Shape &shape, QUndoCommand *parent = 0);+
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    void undo();+
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    void redo();+
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+
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private:+
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    Document *m_doc;+
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    Shape m_shape;+
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    QString m_shapeName;+
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};+
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+
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class RemoveShapeCommand : public QUndoCommand+
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{+
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public:+
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    RemoveShapeCommand(Document *doc, const QString &shapeName, QUndoCommand *parent = 0);+
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    void undo();+
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    void redo();+
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+
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private:+
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    Document *m_doc;+
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    Shape m_shape;+
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    QString m_shapeName;+
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};+
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+
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class SetShapeColorCommand : public QUndoCommand+
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{+
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public:+
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    SetShapeColorCommand(Document *doc, const QString &shapeName, const QColor &color,+
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                            QUndoCommand *parent = 0);+
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+
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    void undo();+
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    void redo();+
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+
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    bool mergeWith(const QUndoCommand *command);+
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    int id() const;+
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+
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private:+
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    Document *m_doc;+
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    QString m_shapeName;+
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    QColor m_oldColor;+
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    QColor m_newColor;+
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};+
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+
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class SetShapeRectCommand : public QUndoCommand+
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{+
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public:+
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    SetShapeRectCommand(Document *doc, const QString &shapeName, const QRect &rect,+
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                            QUndoCommand *parent = 0);+
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+
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    void undo();+
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    void redo();+
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+
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    bool mergeWith(const QUndoCommand *command);+
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    int id() const;+
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+
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private:+
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    Document *m_doc;+
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    QString m_shapeName;+
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    QRect m_oldRect;+
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    QRect m_newRect;+
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};+
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+
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#endif // COMMANDS_H+
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