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diff --git a/src/commands/segment/ChangeCompositionLengthCommand.cpp b/src/commands/segment/ChangeCompositionLengthCommand.cpp
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+++ b/src/commands/segment/ChangeCompositionLengthCommand.cpp
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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.
+*/
+
+
+#include "ChangeCompositionLengthCommand.h"
+
+#include "base/Composition.h"
+#include <qstring.h>
+
+
+namespace Rosegarden
+{
+
+ChangeCompositionLengthCommand::ChangeCompositionLengthCommand(
+    Composition *composition,
+    timeT startTime,
+    timeT endTime):
+        KNamedCommand(getGlobalName()),
+        m_composition(composition),
+        m_startTime(startTime),
+        m_endTime(endTime),
+        m_oldStartTime(m_composition->getStartMarker()),
+        m_oldEndTime(m_composition->getEndMarker())
+{}
+
+ChangeCompositionLengthCommand::~ChangeCompositionLengthCommand()
+{}
+
+void
+ChangeCompositionLengthCommand::execute()
+{
+    m_composition->setStartMarker(m_startTime);
+    m_composition->setEndMarker(m_endTime);
+}
+
+void
+ChangeCompositionLengthCommand::unexecute()
+{
+    m_composition->setStartMarker(m_oldStartTime);
+    m_composition->setEndMarker(m_oldEndTime);
+}
+
+}