diff -r 000000000000 -r 1918ee327afb src/gui/graphicsview/qgraphicsscenelinearindex_p.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/graphicsview/qgraphicsscenelinearindex_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,109 @@
+/****************************************************************************
+**
+** 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 QtCore 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 QGRAPHICSSCENELINEARINDEX_H
+#define QGRAPHICSSCENELINEARINDEX_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qglobal.h>
+
+#if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW
+
+#include <QtCore/qrect.h>
+#include <QtCore/qlist.h>
+#include <QtGui/qgraphicsitem.h>
+#include <private/qgraphicssceneindex_p.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+class Q_AUTOTEST_EXPORT QGraphicsSceneLinearIndex : public QGraphicsSceneIndex
+{
+    Q_OBJECT
+
+public:
+    QGraphicsSceneLinearIndex(QGraphicsScene *scene = 0) : QGraphicsSceneIndex(scene)
+    { }
+
+    QList<QGraphicsItem *> items(Qt::SortOrder order = Qt::DescendingOrder) const
+    { Q_UNUSED(order); return m_items; }
+
+    virtual QList<QGraphicsItem *> estimateItems(const QRectF &rect, Qt::SortOrder order) const
+    {
+        Q_UNUSED(rect);
+        Q_UNUSED(order);
+        return m_items;
+    }
+
+protected :
+    virtual void clear()
+    { m_items.clear(); }
+
+    virtual void addItem(QGraphicsItem *item)
+    { m_items << item; }
+
+    virtual void removeItem(QGraphicsItem *item)
+    { m_items.removeOne(item); }
+
+private:
+    QList<QGraphicsItem*> m_items;
+};
+
+#endif // QT_NO_GRAPHICSVIEW
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QGRAPHICSSCENELINEARINDEX_H