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diff --git a/src/designer/src/components/widgetbox/widgetboxcategorylistview.h b/src/designer/src/components/widgetbox/widgetboxcategorylistview.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 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef WIDGETBOXCATEGORYLISTVIEW_H
+#define WIDGETBOXCATEGORYLISTVIEW_H
+
+#include <QtDesigner/QDesignerWidgetBoxInterface>
+
+#include <QtGui/QListView>
+#include <QtCore/QList>
+
+QT_BEGIN_NAMESPACE
+
+class QDesignerFormEditorInterface;
+class QDesignerDnDItemInterface;
+
+class QSortFilterProxyModel;
+class QRegExp;
+
+namespace qdesigner_internal {
+
+class WidgetBoxCategoryModel;
+
+// List view of a category, switchable between icon and list mode.
+// Provides a filtered view.
+class WidgetBoxCategoryListView : public QListView
+{
+    Q_OBJECT
+public:
+    // Whether to access the filtered or unfiltered view
+    enum AccessMode { FilteredAccess, UnfilteredAccess };
+
+    explicit WidgetBoxCategoryListView(QDesignerFormEditorInterface *core, QWidget *parent = 0);
+    void setViewMode(ViewMode vm);
+
+    void dropWidgets(const QList<QDesignerDnDItemInterface*> &item_list);
+
+    using QListView::contentsSize;
+
+    // These methods operate on the filtered/unfiltered model according to accessmode
+    int count(AccessMode am) const;
+    QDesignerWidgetBoxInterface::Widget widgetAt(AccessMode am, const QModelIndex &index) const;
+    QDesignerWidgetBoxInterface::Widget widgetAt(AccessMode am, int row) const;
+    void removeRow(AccessMode am, int row);
+    void setCurrentItem(AccessMode am, int row);
+
+    // These methods operate on the unfiltered model and are used for serialization
+    void addWidget(const QDesignerWidgetBoxInterface::Widget &widget, const QIcon &icon, bool editable);
+    bool containsWidget(const QString &name);
+    QDesignerWidgetBoxInterface::Category category() const;
+    bool removeCustomWidgets();
+
+    // Helper: Ensure a <ui> tag in the case of empty XML
+    static QString widgetDomXml(const QDesignerWidgetBoxInterface::Widget &widget);
+
+signals:
+    void scratchPadChanged();
+    void pressed(const QString &name, const QString &xml, const QPoint &globalPos);
+    void itemRemoved();
+    void lastItemRemoved();
+
+public slots:
+    void filter(const QRegExp &re);
+
+private slots:
+    void slotPressed(const QModelIndex &index);
+    void removeCurrentItem();
+    void editCurrentItem();
+
+private:
+    int mapRowToSource(int filterRow) const;
+    QSortFilterProxyModel *m_proxyModel;
+    WidgetBoxCategoryModel *m_model;
+};
+
+}  // namespace qdesigner_internal
+
+QT_END_NAMESPACE
+
+#endif // WIDGETBOXCATEGORYLISTVIEW_H