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126 lines
3.9 KiB
126 lines
3.9 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 "DeleteRangeCommand.h"
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#include "AudioSegmentSplitCommand.h"
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#include "base/Composition.h"
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#include "base/Segment.h"
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#include "base/Selection.h"
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#include "EraseSegmentsStartingInRangeCommand.h"
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#include "OpenOrCloseRangeCommand.h"
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#include "SegmentJoinCommand.h"
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#include "SegmentSplitCommand.h"
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namespace Rosegarden
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{
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DeleteRangeCommand::DeleteRangeCommand(Composition *composition,
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timeT t0, timeT t1) :
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KMacroCommand(i18n("Delete Range"))
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{
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// First add commands to split the segments up. Make a note of
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// segments that will need rejoining with their neighbours
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// afterwards.
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std::vector<Segment *> rejoins;
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for (int e = 0; e < 2; ++e) {
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// Split all segments at the range end first, then the range
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// begin afterwards. This is because the split commands create
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// new segments for the right part and leave the left parts in
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// the original segments, so that we can use the same segment
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// pointer to do the left split as we did for the right
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timeT t = t1;
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if (e == 1)
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t = t0;
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for (Composition::iterator i = composition->begin();
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i != composition->end(); ++i) {
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if ((*i)->getStartTime() >= t || (*i)->getEndMarkerTime() <= t) {
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continue;
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}
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if ((*i)->getType() == Segment::Audio) {
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addCommand(new AudioSegmentSplitCommand(*i, t));
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} else {
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addCommand(new SegmentSplitCommand(*i, t));
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if (t == t0 && (*i)->getEndMarkerTime() > t1) {
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rejoins.push_back(*i);
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}
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}
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}
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}
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// Then commands to do the rest of the work
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addCommand(new EraseSegmentsStartingInRangeCommand(composition, t0, t1));
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addCommand(new OpenOrCloseRangeCommand(composition, t0, t1, false));
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for (std::vector<Segment *>::iterator i = rejoins.begin();
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i != rejoins.end(); ++i) {
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addCommand(new RejoinCommand(composition, *i,
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(*i)->getEndMarkerTime() + t0 - t1));
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}
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}
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DeleteRangeCommand::~DeleteRangeCommand()
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{}
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void
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DeleteRangeCommand::RejoinCommand::execute()
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{
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if (m_joinCommand) {
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m_joinCommand->execute();
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return ;
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}
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//!!! Need to remove the "(split)" names from the segment bits
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for (Composition::iterator i = m_composition->begin();
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i != m_composition->end(); ++i) {
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if ((*i) == m_segment)
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continue;
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if ((*i)->getTrack() != m_segment->getTrack())
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continue;
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if ((*i)->getEndMarkerTime() != m_endMarkerTime)
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continue;
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if ((*i)->getStartTime() <= m_segment->getStartTime())
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continue;
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SegmentSelection selection;
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selection.insert(m_segment);
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selection.insert(*i);
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m_joinCommand = new SegmentJoinCommand(selection);
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m_joinCommand->execute();
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break;
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}
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}
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}
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