diff -r 000000000000 -r 1918ee327afb src/gui/util/qundostack_p.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/util/qundostack_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,111 @@
+/****************************************************************************
+**
+** 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