diff -r 000000000000 -r 1918ee327afb tools/designer/src/lib/shared/layout_p.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/designer/src/lib/shared/layout_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,152 @@
+/****************************************************************************
+**
+** 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 Qt Designer 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of Qt Designer.  This header
+// file may change from version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#ifndef LAYOUT_H
+#define LAYOUT_H
+
+#include "shared_global_p.h"
+#include "layoutinfo_p.h"
+
+#include <QtCore/QPointer>
+#include <QtCore/QObject>
+#include <QtCore/QMap>
+#include <QtCore/QHash>
+
+#include <QtGui/QLayout>
+#include <QtGui/QGridLayout>
+#include <QtGui/QWidget>
+
+QT_BEGIN_NAMESPACE
+
+class QDesignerFormWindowInterface;
+
+namespace qdesigner_internal {
+class QDESIGNER_SHARED_EXPORT Layout : public QObject
+{
+    Q_OBJECT
+    Q_DISABLE_COPY(Layout)
+protected:
+    Layout(const QWidgetList &wl, QWidget *p, QDesignerFormWindowInterface *fw, QWidget *lb, LayoutInfo::Type layoutType);
+
+public:
+    static  Layout* createLayout(const QWidgetList &widgets,  QWidget *parentWidget,
+                                 QDesignerFormWindowInterface *fw,
+                                 QWidget *layoutBase, LayoutInfo::Type layoutType);
+
+    virtual ~Layout();
+
+    virtual void sort() = 0;
+    virtual void doLayout() = 0;
+
+    virtual void setup();
+    virtual void undoLayout();
+    virtual void breakLayout();
+
+    const QWidgetList &widgets() const { return m_widgets; }
+    QWidget *parentWidget() const      { return m_parentWidget; }
+    QWidget *layoutBaseWidget() const  { return m_layoutBase; }
+
+    /* Determines whether instances of QLayoutWidget are unmanaged/hidden
+     * after breaking a layout. Default is true. Can be turned off when
+      * morphing */
+    bool reparentLayoutWidget() const  { return m_reparentLayoutWidget; }
+    void setReparentLayoutWidget(bool v) {  m_reparentLayoutWidget = v; }
+
+protected:
+    virtual void finishLayout(bool needMove, QLayout *layout = 0);
+    virtual bool prepareLayout(bool &needMove, bool &needReparent);
+
+    void setWidgets(const  QWidgetList &widgets) { m_widgets = widgets; }
+    QLayout *createLayout(int type);
+    void reparentToLayoutBase(QWidget *w);
+
+private slots:
+    void widgetDestroyed();
+
+private:
+    QWidgetList m_widgets;
+    QWidget *m_parentWidget;
+    typedef QHash<QWidget *, QRect> WidgetGeometryHash;
+    WidgetGeometryHash m_geometries;
+    QWidget *m_layoutBase;
+    QDesignerFormWindowInterface *m_formWindow;
+    const LayoutInfo::Type m_layoutType;
+    QPoint m_startPoint;
+    QRect m_oldGeometry;
+
+    bool m_reparentLayoutWidget;
+    const bool m_isBreak;
+};
+
+namespace Utils
+{
+
+inline int indexOfWidget(QLayout *layout, QWidget *widget)
+{
+    int index = 0;
+    while (QLayoutItem *item = layout->itemAt(index)) {
+        if (item->widget() == widget)
+            return index;
+
+        ++index;
+    }
+
+    return -1;
+}
+
+} // namespace Utils
+
+} // namespace qdesigner_internal
+
+QT_END_NAMESPACE
+
+#endif // LAYOUT_H