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diff --git a/digikam/libs/widgets/imageplugins/listboxpreviewitem.h b/digikam/libs/widgets/imageplugins/listboxpreviewitem.h
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+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ * 
+ * Date        : 2006-10-05
+ * Description : a QListBoxItem which can display an image preview
+ *               as a thumbnail and a customized qwhatsthis class 
+ *               for listbox items
+ * 
+ * Copyright (C) 2006-2007 by Guillaume Laurent <glaurent@telegraph-road.org>
+ *
+ * This program is free software; you can redistribute it
+ * and/or modify it under the terms of the GNU General
+ * Public License as published by the Free Software Foundation;
+ * either version 2, or (at your option)
+ * any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * ============================================================ */
+
+#ifndef LISTBOXPREVIEWITEM_H
+#define LISTBOXPREVIEWITEM_H
+
+// Qt includes.
+
+#include <qmap.h>
+#include <qlistbox.h>
+#include <qwhatsthis.h>
+#include <qpixmap.h>
+
+// Local includes.
+
+#include "digikam_export.h"
+
+namespace Digikam
+{
+
+class DIGIKAM_EXPORT ListBoxPreviewItem : public QListBoxPixmap
+{
+
+public:
+
+    ListBoxPreviewItem(QListBox *listbox, const QPixmap &pix, const QString &text)
+        : QListBoxPixmap(listbox, pix, text) {};
+
+    ListBoxPreviewItem(const QPixmap &pix, const QString &text)
+        : QListBoxPixmap(pix, text) {};
+
+    virtual int height ( const QListBox * lb ) const;
+    virtual int width  ( const QListBox * lb ) const;
+};
+
+/**
+ * A qwhatthis class which can be pointed to a specific item
+ * in a QListBox rather than the QListBox itself
+ *
+ */
+class DIGIKAM_EXPORT ListBoxWhatsThis : public QWhatsThis 
+{
+
+public:
+
+    ListBoxWhatsThis(QListBox* w) : QWhatsThis(w), m_listBox(w) {}
+    virtual QString text (const QPoint &);
+    void add(QListBoxItem*, const QString& text);
+
+protected:
+
+    QMap<QListBoxItem*, QString>  m_itemWhatsThisMap;
+    QListBox                     *m_listBox;
+};
+
+}  // namespace Digikam
+
+#endif  // LISTBOXPREVIEWITEM_H