MuseScore/libmscore/splitMeasure.cpp
2013-05-13 19:43:59 +02:00

55 lines
1.6 KiB
C++

//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2002-2012 Werner Schweer
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENCE.GPL
//=============================================================================
#include "score.h"
#include "measure.h"
#include "segment.h"
#include "chordrest.h"
#include "range.h"
namespace Ms {
//---------------------------------------------------------
// cmdSplitMeasure
//---------------------------------------------------------
void Score::cmdSplitMeasure(ChordRest* cr)
{
Segment* segment = cr->segment();
Measure* measure = segment->measure();
ScoreRange range;
range.read(measure->first(), measure->last(), 0, nstaves() * VOICES);
startCmd();
deleteItem(measure);
// create empty measures:
Measure* m2 = static_cast<Measure*>(insertMeasure(Element::MEASURE, measure->next(), true));
Measure* m1 = static_cast<Measure*>(insertMeasure(Element::MEASURE, m2, true));
int tick = segment->tick();
m1->setTick(measure->tick());
m2->setTick(tick);
int ticks1 = segment->tick() - measure->tick();
int ticks2 = measure->ticks() - ticks1;
m1->setTimesig(measure->timesig());
m2->setTimesig(measure->timesig());
m1->setLen(Fraction::fromTicks(ticks1));
m2->setLen(Fraction::fromTicks(ticks2));
range.write(0, m1);
endCmd();
}
}