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diff --git a/src/commands/matrix/MatrixInsertionCommand.cpp b/src/commands/matrix/MatrixInsertionCommand.cpp
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+++ b/src/commands/matrix/MatrixInsertionCommand.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 "MatrixInsertionCommand.h"
+
+#include <klocale.h>
+#include "base/Event.h"
+#include "base/Segment.h"
+#include "base/SegmentMatrixHelper.h"
+#include "document/BasicCommand.h"
+#include "base/BaseProperties.h"
+#include "misc/Debug.h"
+
+
+namespace Rosegarden
+{
+
+using namespace BaseProperties;
+
+MatrixInsertionCommand::MatrixInsertionCommand(Segment &segment,
+        timeT time,
+        timeT endTime,
+        Event *event) :
+        BasicCommand(i18n("Insert Note"), segment, time, endTime),
+        m_event(new Event(*event,
+                          std::min(time, endTime),
+                          (time < endTime) ? endTime - time : time - endTime))
+{
+    // nothing
+}
+
+MatrixInsertionCommand::~MatrixInsertionCommand()
+{
+    delete m_event;
+    // don't want to delete m_lastInsertedEvent, it's just an alias
+}
+
+void MatrixInsertionCommand::modifySegment()
+{
+    MATRIX_DEBUG << "MatrixInsertionCommand::modifySegment()\n";
+
+    if (!m_event->has(VELOCITY)) {
+        m_event->set
+        <Int>(VELOCITY, 100);
+    }
+
+    SegmentMatrixHelper helper(getSegment());
+    m_lastInsertedEvent = new Event(*m_event);
+    helper.insertNote(m_lastInsertedEvent);
+}
+
+}