72 lines
2.2 KiB
C++
72 lines
2.2 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"
|
|
#include "tuplet.h"
|
|
|
|
namespace Ms {
|
|
|
|
//---------------------------------------------------------
|
|
// cmdSplitMeasure
|
|
//---------------------------------------------------------
|
|
|
|
void Score::cmdSplitMeasure(ChordRest* cr)
|
|
{
|
|
startCmd();
|
|
splitMeasure(cr->segment());
|
|
endCmd();
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// splitMeasure
|
|
// return true on success
|
|
//---------------------------------------------------------
|
|
|
|
void Score::splitMeasure(Segment* segment)
|
|
{
|
|
if (segment->rtick() == 0) {
|
|
MScore::setError(CANNOT_SPLIT_MEASURE_FIRST_BEAT);
|
|
return;
|
|
}
|
|
if (segment->splitsTuplet()) {
|
|
MScore::setError(CANNOT_SPLIT_MEASURE_TUPLET);
|
|
return;
|
|
}
|
|
Measure* measure = segment->measure();
|
|
|
|
ScoreRange range;
|
|
range.read(measure->first(), measure->last());
|
|
|
|
undoRemoveMeasures(measure, measure);
|
|
undoInsertTime(measure->tick(), -measure->ticks());
|
|
|
|
// create empty measures:
|
|
Measure* m2 = toMeasure(insertMeasure(Element::Type::MEASURE, measure->next(), true));
|
|
Measure* m1 = toMeasure(insertMeasure(Element::Type::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->adjustToLen(Fraction::fromTicks(ticks1));
|
|
m2->adjustToLen(Fraction::fromTicks(ticks2));
|
|
range.write(this, m1->tick());
|
|
}
|
|
}
|
|
|