MuseScore/libmscore/instrchange.cpp
2017-02-08 20:12:07 +01:00

170 lines
5.2 KiB
C++

//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2008-2011 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 "instrchange.h"
#include "score.h"
#include "segment.h"
#include "staff.h"
#include "part.h"
#include "undo.h"
#include "mscore.h"
#include "xml.h"
#include "measure.h"
#include "system.h"
namespace Ms {
//---------------------------------------------------------
// InstrumentChange
//---------------------------------------------------------
InstrumentChange::InstrumentChange(Score* s)
: Text(SubStyle::INSTRUMENT_CHANGE, s)
{
setFlags(ElementFlag::MOVABLE | ElementFlag::SELECTABLE | ElementFlag::ON_STAFF);
_instrument = new Instrument();
}
InstrumentChange::InstrumentChange(const Instrument& i, Score* s)
: Text(SubStyle::INSTRUMENT_CHANGE, s)
{
setFlags(ElementFlag::MOVABLE | ElementFlag::SELECTABLE | ElementFlag::ON_STAFF);
_instrument = new Instrument(i);
}
InstrumentChange::InstrumentChange(const InstrumentChange& is)
: Text(is)
{
_instrument = new Instrument(*is._instrument);
}
InstrumentChange::~InstrumentChange()
{
delete _instrument;
}
void InstrumentChange::setInstrument(const Instrument& i)
{
delete _instrument;
_instrument = new Instrument(i);
}
//---------------------------------------------------------
// write
//---------------------------------------------------------
void InstrumentChange::write(XmlWriter& xml) const
{
xml.stag(name());
_instrument->write(xml, part());
Text::writeProperties(xml);
xml.etag();
}
//---------------------------------------------------------
// read
//---------------------------------------------------------
void InstrumentChange::read(XmlReader& e)
{
while (e.readNextStartElement()) {
const QStringRef& tag(e.name());
if (tag == "Instrument")
_instrument->read(e, part());
else if (!Text::readProperties(e))
e.unknown();
}
if (score()->mscVersion() <= 206) {
// previous versions did not honor transposition of instrument change
// except in ways that it should not have
// notes entered before the instrument change was added would not be altered,
// so original transposition remained in effect
// notes added afterwards would be transposed by both intervals, resulting in tpc corruption
// here we set the instrument change to inherit the staff transposition to emulate previous versions
// in Note::read(), we attempt to fix the tpc corruption
Interval v = staff() ? staff()->part()->instrument()->transpose() : 0;
_instrument->setTranspose(v);
}
}
//---------------------------------------------------------
// getProperty
//---------------------------------------------------------
QVariant InstrumentChange::getProperty(P_ID propertyId) const
{
switch (propertyId) {
default:
return Text::getProperty(propertyId);
}
}
//---------------------------------------------------------
// propertyDefault
//---------------------------------------------------------
QVariant InstrumentChange::propertyDefault(P_ID propertyId) const
{
switch (propertyId) {
case P_ID::SUB_STYLE:
return int(SubStyle::INSTRUMENT_CHANGE);
default:
return Text::propertyDefault(propertyId);
}
}
//---------------------------------------------------------
// setProperty
//---------------------------------------------------------
bool InstrumentChange::setProperty(P_ID propertyId, const QVariant& v)
{
switch (propertyId) {
default:
return Text::setProperty(propertyId, v);
}
return true;
}
//---------------------------------------------------------
// drag
//---------------------------------------------------------
QRectF InstrumentChange::drag(EditData* ed)
{
QRectF f = Element::drag(ed);
//
// move anchor
//
Qt::KeyboardModifiers km = qApp->keyboardModifiers();
if (km != (Qt::ShiftModifier | Qt::ControlModifier)) {
int si;
Segment* seg = 0;
if (score()->pos2measure(ed->pos, &si, 0, &seg, 0) == nullptr)
return f;
if (seg && (seg != segment() || staffIdx() != si)) {
QPointF pos1(canvasPos());
score()->undo(new ChangeParent(this, seg, si));
setUserOff(QPointF());
layout();
QPointF pos2(canvasPos());
setUserOff(pos1 - pos2);
ed->startMove = pos2;
}
}
return f;
}
}