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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QUNDOSTACK_P_H
#define QUNDOSTACK_P_H
#include <private/qobject_p.h>
#include <QtCore/qlist.h>
#include <QtCore/qstring.h>
#include <QtGui/qaction.h>
#include "qundostack.h"
QT_BEGIN_NAMESPACE
class QUndoCommand;
class QUndoGroup;
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of qapplication_*.cpp, qwidget*.cpp and qfiledialog.cpp. This header
// file may change from version to version without notice, or even be removed.
//
// We mean it.
//
class QUndoCommandPrivate
{
public:
QUndoCommandPrivate() : id(-1) {}
QList<QUndoCommand*> child_list;
QString text;
int id;
};
#ifndef QT_NO_UNDOSTACK
class QUndoStackPrivate : public QObjectPrivate
{
Q_DECLARE_PUBLIC(QUndoStack)
public:
QUndoStackPrivate() : index(0), clean_index(0), group(0), undo_limit(0) {}
QList<QUndoCommand*> command_list;
QList<QUndoCommand*> macro_stack;
int index;
int clean_index;
QUndoGroup *group;
int undo_limit;
void setIndex(int idx, bool clean);
bool checkUndoLimit();
};
#ifndef QT_NO_ACTION
class QUndoAction : public QAction
{
Q_OBJECT
public:
QUndoAction(const QString &prefix, QObject *parent = 0);
public Q_SLOTS:
void setPrefixedText(const QString &text);
private:
QString m_prefix;
};
#endif // QT_NO_ACTION
QT_END_NAMESPACE
#endif // QT_NO_UNDOSTACK
#endif // QUNDOSTACK_P_H
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