64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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//
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// Copyright (C) 2002-2012 Werner Schweer
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2
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// as published by the Free Software Foundation and appearing in
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// the file LICENCE.GPL
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//=============================================================================
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#include "score.h"
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#include "measure.h"
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#include "segment.h"
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#include "chordrest.h"
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#include "range.h"
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namespace Ms {
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//---------------------------------------------------------
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// cmdSplitMeasure
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//---------------------------------------------------------
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void Score::cmdSplitMeasure(ChordRest* cr)
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{
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startCmd();
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splitMeasure(cr);
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endCmd();
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}
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//---------------------------------------------------------
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// splitMeasure
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//---------------------------------------------------------
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void Score::splitMeasure(ChordRest* cr)
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{
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Segment* segment = cr->segment();
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Measure* measure = segment->measure();
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ScoreRange range;
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range.read(measure->first(), measure->last());
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undoRemoveMeasures(measure, measure);
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undoInsertTime(measure->tick(), -(measure->endTick() - measure->tick()));
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// create empty measures:
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Measure* m2 = toMeasure(insertMeasure(Element::Type::MEASURE, measure->next(), true));
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Measure* m1 = toMeasure(insertMeasure(Element::Type::MEASURE, m2, true));
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int tick = segment->tick();
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m1->setTick(measure->tick());
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m2->setTick(tick);
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int ticks1 = segment->tick() - measure->tick();
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int ticks2 = measure->ticks() - ticks1;
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m1->setTimesig(measure->timesig());
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m2->setTimesig(measure->timesig());
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m1->adjustToLen(Fraction::fromTicks(ticks1));
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m2->adjustToLen(Fraction::fromTicks(ticks2));
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range.write(this, m1->tick());
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}
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}
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