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diff --git a/src/gui/editors/guitar/Chord.h b/src/gui/editors/guitar/Chord.h
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+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Rosegarden
+    A MIDI and audio sequencer and musical notation editor.
+
+    This program is Copyright 2000-2008
+        Guillaume Laurent   <[email protected]>,
+        Chris Cannam        <[email protected]>,
+        Richard Bown        <[email protected]>
+
+    The moral rights of Guillaume Laurent, Chris Cannam, and Richard
+    Bown to claim authorship of this work have been asserted.
+
+    Other copyrights also apply to some parts of this work.  Please
+    see the AUTHORS file and individual file headers for details.
+
+    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 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#ifndef _RG_CHORD_H_
+#define _RG_CHORD_H_
+
+#include "Fingering.h"
+#include "base/Event.h"
+#include "misc/Debug.h"
+
+#include <vector>
+#include <qstring.h>
+#include <qregexp.h>
+
+namespace Rosegarden
+{
+
+class Event;
+
+namespace Guitar
+{
+    
+class Chord
+{
+    friend bool operator<(const Chord&, const Chord&);
+    
+public:
+    static const std::string EventType;
+    static const short EventSubOrdering;
+    static const PropertyName RootPropertyName;
+    static const PropertyName ExtPropertyName;
+    static const PropertyName FingeringPropertyName;
+
+	Chord();
+    Chord(const QString& root, const QString& ext = QString::null);
+    Chord(const Event&);
+
+    Event* getAsEvent(timeT absoluteTime) const;
+        
+    bool isEmpty() const   { return m_root.isEmpty(); }
+    bool operator!() const { return !m_root; }
+    
+    bool isUserChord() const { return m_isUserChord; }
+    void setUserChord(bool c) { m_isUserChord = c; }
+     
+    QString getRoot() const { return m_root; }
+    void setRoot(QString r) { m_root = r; } 
+
+    QString getExt() const { return m_ext; }
+    void setExt(QString r) { m_ext = r.isEmpty() ? QString::null : r; } 
+    
+    bool hasAltBass() const { return m_ext.contains(ALT_BASS_REGEXP); } 
+
+    Fingering getFingering() const { return m_fingering; }
+    void setFingering(Fingering f) { m_fingering = f; }
+
+    struct ChordCmp
+    {
+        bool operator()(const Chord &e1, const Chord &e2) const {
+            return e1 < e2;
+        }
+        bool operator()(const Chord *e1, const Chord *e2) const {
+            return *e1 < *e2;
+        }
+    };
+        
+protected:
+
+    static const QRegExp ALT_BASS_REGEXP;
+    
+    QString m_root;
+    QString m_ext;
+    
+    Fingering m_fingering;
+    
+    bool m_isUserChord;
+};
+
+bool operator<(const Chord&, const Chord&);    
+
+}
+
+}
+
+#endif /*_RG_CHORD2_H_*/