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diff --git a/src/modules/help/HelpIndex.h b/src/modules/help/HelpIndex.h
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+/****************************************************************************
+**
+** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Qt Assistant of the Qt Toolkit.
+**
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License versions 2.0 or 3.0 as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file.  Please review the following information
+** to ensure GNU General Public Licensing requirements will be met:
+** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
+** http://www.gnu.org/copyleft/gpl.html.  In addition, as a special
+** exception, Nokia gives you certain additional rights. These rights
+** are described in the Nokia Qt GPL Exception version 1.3, included in
+** the file GPL_EXCEPTION.txt in this package.
+**
+** Qt for Windows(R) Licensees
+** As a special exception, Nokia, as the sole copyright holder for Qt
+** Designer, grants users of the Qt/Eclipse Integration plug-in the
+** right for the Qt/Eclipse Integration to link to functionality
+** provided by Qt Designer and its related libraries.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+**
+****************************************************************************/
+
+#ifndef INDEX_H
+#define INDEX_H
+
+#include <QStringList>
+#include <QHash>
+#include <QDataStream>
+#include <QObject>
+#include <QList>
+#include <QFile>
+#include <QVector>
+
+class QTimer;
+
+QT_BEGIN_NAMESPACE
+
+struct Document {
+    Document( int d, int f ) : docNumber( d ), frequency( f ) {}
+    Document() : docNumber( -1 ), frequency( 0 ) {}
+    bool operator==( const Document &doc ) const {
+	return docNumber == doc.docNumber;
+    }
+    bool operator<( const Document &doc ) const {
+	return frequency > doc.frequency;
+    }
+    bool operator<=( const Document &doc ) const {
+	return frequency >= doc.frequency;
+    }
+    bool operator>( const Document &doc ) const {
+	return frequency < doc.frequency;
+    }
+    qint16 docNumber;
+    qint16 frequency;
+};
+
+QDataStream &operator>>( QDataStream &s, Document &l );
+QDataStream &operator<<( QDataStream &s, const Document &l );
+
+class HelpIndex : public QObject
+{
+    Q_OBJECT
+public:
+    struct Entry {
+	    Entry( int d ) { documents.append( Document( d, 1 ) ); }
+	    Entry( QVector<Document> l ) : documents( l ) {}
+	    QVector<Document> documents;
+    };
+    struct PosEntry {
+	    PosEntry( int p ) { positions.append( p ); }
+	    QList<uint> positions;
+    };
+
+    HelpIndex( const QString &dp, const QString &hp );
+    HelpIndex( const QStringList &dl, const QString &hp );
+    void writeDict();
+    void readDict();
+    void makeIndex();
+    QStringList query( const QStringList&, const QStringList&, const QStringList& );
+    QString getDocumentTitle( const QString& );
+    void setDictionaryFile( const QString& );
+    void setDocListFile( const QString& );
+    void setDocList( const QStringList & );
+    
+    const QStringList& documentList() { return docList; };
+    const QStringList& titlesList() { return titleList; };
+
+signals:
+    void indexingStart( int );
+    void indexingProgress( int );
+    void indexingEnd();
+
+private slots:
+    void setLastWinClosed();
+	void filterNext();
+private:
+    void setupDocumentList();
+    void parseDocument( const QString&, int );
+    void insertInDict( const QString&, int );
+    void writeDocumentList();
+    void readDocumentList();
+    QStringList getWildcardTerms( const QString& );
+    QStringList split( const QString& );
+    QVector<Document> setupDummyTerm( const QStringList& );
+    bool searchForPattern( const QStringList&, const QStringList&, const QString& );
+    void buildMiniDict( const QString& );
+    QString getCharsetForDocument(QFile *);
+    QStringList docList;
+    QStringList titleList;
+    QHash<QString, Entry*> dict;
+    QHash<QString, PosEntry*> miniDict;
+    uint wordNum;
+    QString docPath;
+    QString dictFile, docListFile;
+    bool alreadyHaveDocList;
+    bool lastWindowClosed;
+    QHash<QString, QString> documentTitleCache;
+    QTimer * m_pTimer;
+    int m_iCurItem;
+};
+
+#endif
+
+QT_END_NAMESPACE