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diff --git a/src/gui/graphicsview/qgraphicslayout_p.cpp b/src/gui/graphicsview/qgraphicslayout_p.cpp
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--- a/src/gui/graphicsview/qgraphicslayout_p.cpp
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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.
-**
-**
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qglobal.h"
-
-#ifndef QT_NO_GRAPHICSVIEW
-
-#include "qgraphicslayout_p.h"
-#include "qgraphicslayout.h"
-#include "qgraphicswidget.h"
-#include "qapplication.h"
-
-QT_BEGIN_NAMESPACE
-
-/*!
- \internal
-
- \a mw is the new parent. all items in the layout will be a child of \a mw.
- */
-void QGraphicsLayoutPrivate::reparentChildItems(QGraphicsItem *newParent)
-{
- Q_Q(QGraphicsLayout);
- int n = q->count();
- //bool mwVisible = mw && mw->isVisible();
- for (int i = 0; i < n; ++i) {
- QGraphicsLayoutItem *layoutChild = q->itemAt(i);
- if (!layoutChild) {
- // Skip stretch items
- continue;
- }
- if (layoutChild->isLayout()) {
- QGraphicsLayout *l = static_cast<QGraphicsLayout*>(layoutChild);
- l->d_func()->reparentChildItems(newParent);
- } else if (QGraphicsItem *itemChild = layoutChild->graphicsItem()){
- QGraphicsItem *childParent = itemChild->parentItem();
-#ifdef QT_DEBUG
- if (childParent && childParent != newParent && itemChild->isWidget() && qt_graphicsLayoutDebug()) {
- QGraphicsWidget *w = static_cast<QGraphicsWidget*>(layoutChild);
- qWarning("QGraphicsLayout::addChildLayout: widget %s \"%s\" in wrong parent; moved to correct parent",
- w->metaObject()->className(), w->objectName().toLocal8Bit().constData());
- }
-#endif
- if (childParent != newParent)
- itemChild->setParentItem(newParent);
- }
- }
-}
-
-void QGraphicsLayoutPrivate::getMargin(qreal *result, qreal userMargin, QStyle::PixelMetric pm) const
-{
- if (!result)
- return;
- Q_Q(const QGraphicsLayout);
-
- QGraphicsLayoutItem *parent = q->parentLayoutItem();
- if (userMargin >= 0.0) {
- *result = userMargin;
- } else if (!parent) {
- *result = 0.0;
- } else if (parent->isLayout()) { // sublayouts have 0 margin by default
- *result = 0.0;
- } else {
- *result = 0.0;
- if (QGraphicsItem *layoutParentItem = parentItem()) {
- if (layoutParentItem->isWidget())
- *result = (qreal)static_cast<QGraphicsWidget*>(layoutParentItem)->style()->pixelMetric(pm, 0);
- }
- }
-}
-
-Qt::LayoutDirection QGraphicsLayoutPrivate::visualDirection() const
-{
- if (QGraphicsItem *maybeWidget = parentItem()) {
- if (maybeWidget->isWidget())
- return static_cast<QGraphicsWidget*>(maybeWidget)->layoutDirection();
- }
- return QApplication::layoutDirection();
-}
-
-static bool removeLayoutItemFromLayout(QGraphicsLayout *lay, QGraphicsLayoutItem *layoutItem)
-{
- if (!lay)
- return false;
-
- for (int i = lay->count() - 1; i >= 0; --i) {
- QGraphicsLayoutItem *child = lay->itemAt(i);
- if (child && child->isLayout()) {
- if (removeLayoutItemFromLayout(static_cast<QGraphicsLayout*>(child), layoutItem))
- return true;
- } else if (child == layoutItem) {
- lay->removeAt(i);
- return true;
- }
- }
- return false;
-}
-
-/*!
- \internal
-
- This function is called from subclasses to add a layout item \a layoutItem
- to a layout.
-
- It takes care of automatically reparenting graphics items, if needed.
-
- If \a layoutItem is a is already in a layout, it will remove it from that layout.
-
-*/
-void QGraphicsLayoutPrivate::addChildLayoutItem(QGraphicsLayoutItem *layoutItem)
-{
- Q_Q(QGraphicsLayout);
- if (QGraphicsLayoutItem *maybeLayout = layoutItem->parentLayoutItem()) {
- if (maybeLayout->isLayout())
- removeLayoutItemFromLayout(static_cast<QGraphicsLayout*>(maybeLayout), layoutItem);
- }
- layoutItem->setParentLayoutItem(q);
- if (layoutItem->isLayout()) {
- if (QGraphicsItem *parItem = parentItem()) {
- static_cast<QGraphicsLayout*>(layoutItem)->d_func()->reparentChildItems(parItem);
- }
- } else {
- if (QGraphicsItem *item = layoutItem->graphicsItem()) {
- QGraphicsItem *newParent = parentItem();
- QGraphicsItem *oldParent = item->parentItem();
- if (oldParent == newParent || !newParent)
- return;
-
-#ifdef QT_DEBUG
- if (oldParent && item->isWidget()) {
- QGraphicsWidget *w = static_cast<QGraphicsWidget*>(item);
- qWarning("QGraphicsLayout::addChildLayoutItem: %s \"%s\" in wrong parent; moved to correct parent",
- w->metaObject()->className(), w->objectName().toLocal8Bit().constData());
- }
-#endif
-
- item->setParentItem(newParent);
- }
- }
-}
-
-void QGraphicsLayoutPrivate::activateRecursive(QGraphicsLayoutItem *item)
-{
- if (item->isLayout()) {
- QGraphicsLayout *layout = static_cast<QGraphicsLayout *>(item);
- if (layout->d_func()->activated)
- layout->invalidate();
-
- for (int i = layout->count() - 1; i >= 0; --i) {
- QGraphicsLayoutItem *childItem = layout->itemAt(i);
- if (childItem)
- activateRecursive(childItem);
- }
- layout->d_func()->activated = true;
- }
-}
-
-
-QT_END_NAMESPACE
-
-#endif //QT_NO_GRAPHICSVIEW