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86 lines
2.4 KiB
86 lines
2.4 KiB
/*
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Rosegarden
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A MIDI and audio sequencer and musical notation editor.
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This program is Copyright 2000-2008
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Guillaume Laurent <glaurent@telegraph-road.org>,
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Chris Cannam <cannam@all-day-breakfast.com>,
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Richard Bown <richard.bown@ferventsoftware.com>
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The moral rights of Guillaume Laurent, Chris Cannam, and Richard
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Bown to claim authorship of this work have been asserted.
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Other copyrights also apply to some parts of this work. Please
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see the AUTHORS file and individual file headers for details.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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*/
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#include "AudioSegmentResizeFromStartCommand.h"
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#include <tdelocale.h>
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#include "base/Composition.h"
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#include "base/RealTime.h"
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#include "base/Segment.h"
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namespace Rosegarden
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{
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AudioSegmentResizeFromStartCommand::AudioSegmentResizeFromStartCommand(Segment *segment,
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timeT newStartTime) :
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KNamedCommand(i18n("Resize Segment")),
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m_segment(segment),
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m_newSegment(0),
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m_detached(false),
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m_oldStartTime(segment->getStartTime()),
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m_newStartTime(newStartTime)
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{}
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AudioSegmentResizeFromStartCommand::~AudioSegmentResizeFromStartCommand()
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{
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if (!m_detached)
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delete m_segment;
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else
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delete m_newSegment;
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}
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void
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AudioSegmentResizeFromStartCommand::execute()
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{
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Composition *c = m_segment->getComposition();
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if (!m_newSegment) {
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RealTime oldRT = c->getElapsedRealTime(m_oldStartTime);
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RealTime newRT = c->getElapsedRealTime(m_newStartTime);
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m_newSegment = new Segment(*m_segment);
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m_newSegment->setStartTime(m_newStartTime);
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m_newSegment->setAudioStartTime(m_segment->getAudioStartTime() -
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(oldRT - newRT));
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}
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c->addSegment(m_newSegment);
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m_newSegment->setEndMarkerTime(m_segment->getEndMarkerTime());
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c->detachSegment(m_segment);
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m_detached = false;
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}
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void
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AudioSegmentResizeFromStartCommand::unexecute()
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{
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Composition *c = m_newSegment->getComposition();
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c->addSegment(m_segment);
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c->detachSegment(m_newSegment);
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m_detached = true;
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}
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}
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