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diff --git a/src/commands/segment/SegmentChangeQuantizationCommand.h b/src/commands/segment/SegmentChangeQuantizationCommand.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_SEGMENTCHANGEQUANTIZATIONCOMMAND_H_
+#define _RG_SEGMENTCHANGEQUANTIZATIONCOMMAND_H_
+
+#include <kcommand.h>
+#include <qstring.h>
+#include <vector>
+#include "base/Event.h"
+
+
+
+
+namespace Rosegarden
+{
+
+class Segment;
+
+
+class SegmentChangeQuantizationCommand : public KNamedCommand
+{
+public:
+    /// Set quantization on segments.  If unit is zero, switch quantization off
+    SegmentChangeQuantizationCommand(timeT);
+    virtual ~SegmentChangeQuantizationCommand();
+
+    void addSegment(Segment *s);
+
+    virtual void execute();
+    virtual void unexecute();
+
+    static QString getGlobalName(timeT);
+
+private:
+    struct SegmentRec {
+        Segment *segment;
+        timeT oldUnit;
+        bool wasQuantized;
+    };
+    typedef std::vector<SegmentRec> SegmentRecSet;
+    SegmentRecSet m_records;
+
+    timeT m_unit;
+};
+
+
+
+}
+
+#endif