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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   <glaurent@telegraph-road.org>,
+        Chris Cannam        <cannam@all-day-breakfast.com>,
+        Richard Bown        <richard.bown@ferventsoftware.com>
+
+    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_CONTROLBLOCKMMAPPER_H_
+#define _RG_CONTROLBLOCKMMAPPER_H_
+
+#include "base/MidiProgram.h"
+#include "base/Track.h"
+#include <qstring.h>
+
+
+
+
+namespace Rosegarden
+{
+
+class Track;
+class RosegardenGUIDoc;
+class ControlBlock;
+
+
+class ControlBlockMmapper
+{
+public:
+    ControlBlockMmapper(RosegardenGUIDoc*);
+    ~ControlBlockMmapper();
+    
+    QString getFileName() { return m_fileName; }
+    void updateTrackData(Track*);
+    void setTrackDeleted(TrackId);
+    void updateMetronomeData(InstrumentId instId);
+    void updateMetronomeForPlayback();
+    void updateMetronomeForRecord();
+    bool updateSoloData(bool solo, TrackId selectedTrack);
+    void updateMidiFilters(MidiFilter thruFilter,
+                           MidiFilter recordFilter);
+    void setDocument(RosegardenGUIDoc*);
+    void enableMIDIThruRouting(bool state);
+
+protected:
+    void initControlBlock();
+    void setFileSize(size_t);
+    QString createFileName();
+
+    //--------------- Data members ---------------------------------
+    RosegardenGUIDoc* m_doc;
+    QString m_fileName;
+    int m_fd;
+    void* m_mmappedBuffer;
+    size_t m_mmappedSize;
+    ControlBlock* m_controlBlock;
+};
+
+
+//----------------------------------------
+
+
+
+}
+
+#endif