/****************************************************************************+
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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 QtGui module 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 QUNDOSTACK_P_H+
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#define QUNDOSTACK_P_H+
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+
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#include <private/qobject_p.h>+
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#include <QtCore/qlist.h>+
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#include <QtCore/qstring.h>+
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#include <QtGui/qaction.h>+
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+
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#include "qundostack.h"+
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+
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QT_BEGIN_NAMESPACE+
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class QUndoCommand;+
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class QUndoGroup;+
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+
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//+
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//  W A R N I N G+
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//  -------------+
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//+
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// This file is not part of the Qt API.  It exists for the convenience+
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// of qapplication_*.cpp, qwidget*.cpp and qfiledialog.cpp.  This header+
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// file may change from version to version without notice, or even be removed.+
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//+
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// We mean it.+
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//+
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+
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class QUndoCommandPrivate+
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{+
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public:+
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    QUndoCommandPrivate() : id(-1) {}+
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    QList<QUndoCommand*> child_list;+
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    QString text;+
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    int id;+
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};+
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+
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#ifndef QT_NO_UNDOSTACK+
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+
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class QUndoStackPrivate : public QObjectPrivate+
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{+
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    Q_DECLARE_PUBLIC(QUndoStack)+
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public:+
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    QUndoStackPrivate() : index(0), clean_index(0), group(0), undo_limit(0) {}+
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+
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    QList<QUndoCommand*> command_list;+
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    QList<QUndoCommand*> macro_stack;+
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    int index;+
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    int clean_index;+
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    QUndoGroup *group;+
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    int undo_limit;+
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+
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    void setIndex(int idx, bool clean);+
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    bool checkUndoLimit();+
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};+
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+
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#ifndef QT_NO_ACTION+
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class QUndoAction : public QAction+
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{+
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    Q_OBJECT+
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public:+
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    QUndoAction(const QString &prefix, QObject *parent = 0);+
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public Q_SLOTS:+
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    void setPrefixedText(const QString &text);+
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private:+
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    QString m_prefix;+
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};+
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#endif // QT_NO_ACTION+
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+
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+
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QT_END_NAMESPACE+
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#endif // QT_NO_UNDOSTACK+
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#endif // QUNDOSTACK_P_H+
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