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diff --git a/src/commands/edit/ClearTriggersCommand.cpp b/src/commands/edit/ClearTriggersCommand.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 "ClearTriggersCommand.h"
+
+#include "base/Selection.h"
+#include "document/BasicSelectionCommand.h"
+#include <qstring.h>
+#include "base/BaseProperties.h"
+
+
+namespace Rosegarden
+{
+
+using namespace BaseProperties;
+
+void
+ClearTriggersCommand::modifySegment()
+{
+ EventSelection::eventcontainer::iterator i;
+
+ for (i = m_selection->getSegmentEvents().begin();
+ i != m_selection->getSegmentEvents().end(); ++i) {
+
+ (*i)->unset(TRIGGER_SEGMENT_ID);
+ (*i)->unset(TRIGGER_SEGMENT_RETUNE);
+ (*i)->unset(TRIGGER_SEGMENT_ADJUST_TIMES);
+ }
+}
+
+}