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diff --git a/src/gui/graphicsview/qgraphicslayout_p.h b/src/gui/graphicsview/qgraphicslayout_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2011 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 QGRAPHICSLAYOUT_P_H
+#define QGRAPHICSLAYOUT_P_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 "qgraphicslayout.h"
+#include "qgraphicslayoutitem_p.h"
+#include <QtGui/qstyle.h>
+#include <QtGui/qwidget.h>
+#include <QtGui/qstyleoption.h>
+
+QT_BEGIN_NAMESPACE
+
+class QGraphicsLayoutItem;
+class QGraphicsWidget;
+
+#ifdef QT_DEBUG
+inline bool qt_graphicsLayoutDebug()
+{
+    static int checked_env = -1;
+    if(checked_env == -1)
+        checked_env = !!qgetenv("QT_GRAPHICSLAYOUT_DEBUG").toInt();
+    return checked_env;
+}
+#endif
+
+
+class QLayoutStyleInfo
+{
+public:
+    inline QLayoutStyleInfo() { invalidate(); }
+    inline QLayoutStyleInfo(QStyle *style, QWidget *widget)
+        : m_valid(true), m_style(style), m_widget(widget)
+    {
+        Q_ASSERT(style);
+        if (widget) //###
+            m_styleOption.initFrom(widget);
+        m_defaultSpacing[0] = style->pixelMetric(QStyle::PM_LayoutHorizontalSpacing);
+        m_defaultSpacing[1] = style->pixelMetric(QStyle::PM_LayoutVerticalSpacing);
+    }
+
+    inline void invalidate() { m_valid = false; m_style = 0; m_widget = 0; }
+
+    inline QStyle *style() const { return m_style; }
+    inline QWidget *widget() const { return m_widget; }
+
+    inline bool operator==(const QLayoutStyleInfo &other)
+        { return m_style == other.m_style && m_widget == other.m_widget; }
+    inline bool operator!=(const QLayoutStyleInfo &other)
+        { return !(*this == other); }
+
+    inline void setDefaultSpacing(Qt::Orientation o, qreal spacing){
+        if (spacing >= 0)
+            m_defaultSpacing[o - 1] = spacing;
+    }
+
+    inline qreal defaultSpacing(Qt::Orientation o) const {
+        return m_defaultSpacing[o - 1];
+    }
+
+    inline qreal perItemSpacing(QSizePolicy::ControlType control1,
+                                  QSizePolicy::ControlType control2,
+                                  Qt::Orientation orientation) const
+    {
+        Q_ASSERT(style());
+        return style()->layoutSpacing(control1, control2, orientation, &m_styleOption, widget());
+    }
+private:
+    bool m_valid;
+    QStyle *m_style;
+    QWidget *m_widget;
+    QStyleOption m_styleOption;
+    qreal m_defaultSpacing[2];
+};
+
+class Q_AUTOTEST_EXPORT QGraphicsLayoutPrivate : public QGraphicsLayoutItemPrivate
+{
+    Q_DECLARE_PUBLIC(QGraphicsLayout)
+
+public:
+    QGraphicsLayoutPrivate() : QGraphicsLayoutItemPrivate(0, true), left(-1.0), top(-1.0), right(-1.0), bottom(-1.0),
+        activated(true) { }
+
+    void reparentChildItems(QGraphicsItem *newParent);
+    void getMargin(qreal *result, qreal userMargin, QStyle::PixelMetric pm) const;
+    Qt::LayoutDirection visualDirection() const;
+
+    void addChildLayoutItem(QGraphicsLayoutItem *item);
+    void activateRecursive(QGraphicsLayoutItem *item);
+
+    qreal left, top, right, bottom;
+    bool activated;
+};
+
+
+QT_END_NAMESPACE
+
+#endif //QT_NO_GRAPHICSVIEW
+
+#endif