diff -r 000000000000 -r 1918ee327afb src/gui/kernel/qboxlayout.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/kernel/qboxlayout.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,173 @@
+/****************************************************************************
+**
+** 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 QBOXLAYOUT_H
+#define QBOXLAYOUT_H
+
+#include <QtGui/qlayout.h>
+#ifdef QT_INCLUDE_COMPAT
+#include <QtGui/qwidget.h>
+#endif
+
+#include <limits.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+class QBoxLayoutPrivate;
+
+class Q_GUI_EXPORT QBoxLayout : public QLayout
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QBoxLayout)
+public:
+    enum Direction { LeftToRight, RightToLeft, TopToBottom, BottomToTop,
+                     Down = TopToBottom, Up = BottomToTop };
+
+    explicit QBoxLayout(Direction, QWidget *parent = 0);
+
+#ifdef QT3_SUPPORT
+    QT3_SUPPORT_CONSTRUCTOR QBoxLayout(QWidget *parent, Direction, int border = 0, int spacing = -1,
+                const char *name = 0);
+    QT3_SUPPORT_CONSTRUCTOR  QBoxLayout(QLayout *parentLayout, Direction, int spacing = -1,
+                const char *name = 0);
+    QT3_SUPPORT_CONSTRUCTOR  QBoxLayout(Direction, int spacing, const char *name = 0);
+#endif
+    ~QBoxLayout();
+
+    Direction direction() const;
+    void setDirection(Direction);
+
+    void addSpacing(int size);
+    void addStretch(int stretch = 0);
+    void addSpacerItem(QSpacerItem *spacerItem);
+    void addWidget(QWidget *, int stretch = 0, Qt::Alignment alignment = 0);
+    void addLayout(QLayout *layout, int stretch = 0);
+    void addStrut(int);
+    void addItem(QLayoutItem *);
+
+    void insertSpacing(int index, int size);
+    void insertStretch(int index, int stretch = 0);
+    void insertSpacerItem(int index, QSpacerItem *spacerItem);
+    void insertWidget(int index, QWidget *widget, int stretch = 0, Qt::Alignment alignment = 0);
+    void insertLayout(int index, QLayout *layout, int stretch = 0);
+
+    int spacing() const;
+    void setSpacing(int spacing);
+
+    bool setStretchFactor(QWidget *w, int stretch);
+    bool setStretchFactor(QLayout *l, int stretch);
+    void setStretch(int index, int stretch);
+    int stretch(int index) const;
+
+    QSize sizeHint() const;
+    QSize minimumSize() const;
+    QSize maximumSize() const;
+
+    bool hasHeightForWidth() const;
+    int heightForWidth(int) const;
+    int minimumHeightForWidth(int) const;
+
+    Qt::Orientations expandingDirections() const;
+    void invalidate();
+    QLayoutItem *itemAt(int) const;
+    QLayoutItem *takeAt(int);
+    int count() const;
+    void setGeometry(const QRect&);
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT int findWidget(QWidget* w) {return indexOf(w);}
+#endif
+protected:
+    // ### Qt 5: make public
+    void insertItem(int index, QLayoutItem *);
+
+private:
+    Q_DISABLE_COPY(QBoxLayout)
+};
+
+class Q_GUI_EXPORT QHBoxLayout : public QBoxLayout
+{
+    Q_OBJECT
+public:
+    QHBoxLayout();
+    explicit QHBoxLayout(QWidget *parent);
+    ~QHBoxLayout();
+
+#ifdef QT3_SUPPORT
+    QT3_SUPPORT_CONSTRUCTOR QHBoxLayout(QWidget *parent, int border,
+                 int spacing = -1, const char *name = 0);
+    QT3_SUPPORT_CONSTRUCTOR QHBoxLayout(QLayout *parentLayout,
+                 int spacing = -1, const char *name = 0);
+    QT3_SUPPORT_CONSTRUCTOR QHBoxLayout(int spacing, const char *name = 0);
+#endif
+
+private:
+    Q_DISABLE_COPY(QHBoxLayout)
+};
+
+class Q_GUI_EXPORT QVBoxLayout : public QBoxLayout
+{
+    Q_OBJECT
+public:
+    QVBoxLayout();
+    explicit QVBoxLayout(QWidget *parent);
+    ~QVBoxLayout();
+
+#ifdef QT3_SUPPORT
+    QT3_SUPPORT_CONSTRUCTOR QVBoxLayout(QWidget *parent, int border,
+                 int spacing = -1, const char *name = 0);
+    QT3_SUPPORT_CONSTRUCTOR QVBoxLayout(QLayout *parentLayout,
+                 int spacing = -1, const char *name = 0);
+    QT3_SUPPORT_CONSTRUCTOR QVBoxLayout(int spacing, const char *name = 0);
+#endif
+
+private:
+    Q_DISABLE_COPY(QVBoxLayout)
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QBOXLAYOUT_H