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123 lines
3.1 KiB
123 lines
3.1 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 "SegmentInsertCommand.h"
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#include <tdelocale.h>
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#include "base/Composition.h"
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#include "base/Segment.h"
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#include "base/Studio.h"
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#include "base/Track.h"
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#include "document/RosegardenGUIDoc.h"
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namespace Rosegarden
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{
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SegmentInsertCommand::SegmentInsertCommand(RosegardenGUIDoc *doc,
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TrackId track,
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timeT startTime,
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timeT endTime):
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KNamedCommand(i18n("Create Segment")),
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m_composition(&(doc->getComposition())),
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m_studio(&(doc->getStudio())),
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m_segment(0),
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m_track(track),
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m_startTime(startTime),
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m_endTime(endTime),
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m_detached(false)
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{}
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SegmentInsertCommand::SegmentInsertCommand(Composition *composition,
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Segment *segment,
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TrackId track):
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KNamedCommand(i18n("Create Segment")),
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m_composition(composition),
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m_studio(0),
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m_segment(segment),
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m_track(track),
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m_startTime(0),
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m_endTime(0),
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m_detached(false)
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{}
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SegmentInsertCommand::~SegmentInsertCommand()
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{
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if (m_detached) {
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delete m_segment;
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}
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}
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Segment *
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SegmentInsertCommand::getSegment() const
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{
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return m_segment;
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}
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void
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SegmentInsertCommand::execute()
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{
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if (!m_segment) {
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// Create and insert Segment
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//
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m_segment = new Segment();
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m_segment->setTrack(m_track);
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m_segment->setStartTime(m_startTime);
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m_composition->addSegment(m_segment);
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m_segment->setEndTime(m_endTime);
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// Do our best to label the Segment with whatever is currently
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// showing against it.
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//
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Track *track = m_composition->getTrackById(m_track);
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std::string label;
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if (track) {
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// try to get a reasonable Segment name by Instrument
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//
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label = m_studio->getSegmentName(track->getInstrument());
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// if not use the track label
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//
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if (label == "")
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label = track->getLabel();
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m_segment->setLabel(label);
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}
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} else {
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m_segment->setTrack(m_track);
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m_composition->addSegment(m_segment);
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}
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m_detached = false;
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}
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void
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SegmentInsertCommand::unexecute()
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{
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m_composition->detachSegment(m_segment);
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m_detached = true;
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}
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}
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