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113 lines
3.0 KiB
113 lines
3.0 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 "SegmentReconfigureCommand.h"
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#include "base/Segment.h"
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#include "base/Track.h"
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#include <tqstring.h>
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namespace Rosegarden
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{
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SegmentReconfigureCommand::SegmentReconfigureCommand(TQString name) :
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KNamedCommand(name)
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{}
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SegmentReconfigureCommand::~SegmentReconfigureCommand()
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{}
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void
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SegmentReconfigureCommand::addSegment(Segment *segment,
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timeT startTime,
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timeT endMarkerTime,
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TrackId track)
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{
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SegmentRec record;
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record.segment = segment;
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record.startTime = startTime;
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record.endMarkerTime = endMarkerTime;
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record.track = track;
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m_records.push_back(record);
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}
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void
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SegmentReconfigureCommand::addSegments(const SegmentRecSet &records)
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{
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for (SegmentRecSet::const_iterator i = records.begin(); i != records.end(); ++i) {
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m_records.push_back(*i);
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}
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}
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void
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SegmentReconfigureCommand::execute()
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{
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swap();
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}
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void
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SegmentReconfigureCommand::unexecute()
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{
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swap();
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}
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void
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SegmentReconfigureCommand::swap()
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{
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for (SegmentRecSet::iterator i = m_records.begin();
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i != m_records.end(); ++i) {
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// set the segment's values from the record, but set the
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// previous values back in to the record for use in the
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// next iteration of the execute/unexecute cycle.
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// #1083496: look up both of the "old" values before we set
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// anything, as setting the start time is likely to change the
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// end marker time.
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timeT prevStartTime = i->segment->getStartTime();
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timeT prevEndMarkerTime = i->segment->getEndMarkerTime();
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if (i->segment->getStartTime() != i->startTime) {
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i->segment->setStartTime(i->startTime);
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}
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if (i->segment->getEndMarkerTime() != i->endMarkerTime) {
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i->segment->setEndMarkerTime(i->endMarkerTime);
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}
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i->startTime = prevStartTime;
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i->endMarkerTime = prevEndMarkerTime;
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TrackId currentTrack = i->segment->getTrack();
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if (currentTrack != i->track) {
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i->segment->setTrack(i->track);
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i->track = currentTrack;
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}
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}
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}
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}
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