MuseScore/libmscore/stafftextbase.cpp
2018-10-29 16:30:19 +02:00

207 lines
6.9 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 "score.h"
#include "stafftextbase.h"
#include "system.h"
#include "staff.h"
#include "xml.h"
#include "measure.h"
namespace Ms {
//---------------------------------------------------------
// StaffTextBase
//---------------------------------------------------------
StaffTextBase::StaffTextBase(Score* s, Tid tid, ElementFlags flags)
: TextBase(s, tid, flags)
{
setSwingParameters(MScore::division / 2, 60);
}
//---------------------------------------------------------
// write
//---------------------------------------------------------
void StaffTextBase::write(XmlWriter& xml) const
{
if (!xml.canWrite(this))
return;
xml.stag(this);
for (ChannelActions s : _channelActions) {
int channel = s.channel;
for (QString name : s.midiActionNames)
xml.tagE(QString("MidiAction channel=\"%1\" name=\"%2\"").arg(channel).arg(name));
}
for (int voice = 0; voice < VOICES; ++voice) {
if (!_channelNames[voice].isEmpty())
xml.tagE(QString("channelSwitch voice=\"%1\" name=\"%2\"").arg(voice).arg(_channelNames[voice]));
}
if (_setAeolusStops) {
for (int i = 0; i < 4; ++i)
xml.tag(QString("aeolus group=\"%1\"").arg(i), aeolusStops[i]);
}
if (swing()) {
QString swingUnit;
if (swingParameters()->swingUnit == MScore::division / 2)
swingUnit = TDuration(TDuration::DurationType::V_EIGHTH).name();
else if (swingParameters()->swingUnit == MScore::division / 4)
swingUnit = TDuration(TDuration::DurationType::V_16TH).name();
else
swingUnit = TDuration(TDuration::DurationType::V_ZERO).name();
int swingRatio = swingParameters()->swingRatio;
xml.tagE(QString("swing unit=\"%1\" ratio= \"%2\"").arg(swingUnit).arg(swingRatio));
}
if (capo() != 0)
xml.tagE(QString("capo fretId=\"%1\"").arg(capo()));
TextBase::writeProperties(xml);
xml.etag();
}
//---------------------------------------------------------
// read
//---------------------------------------------------------
void StaffTextBase::read(XmlReader& e)
{
for (int voice = 0; voice < VOICES; ++voice)
_channelNames[voice].clear();
clearAeolusStops();
while (e.readNextStartElement()) {
if (!readProperties(e))
e.unknown();
}
}
//---------------------------------------------------------
// readProperties
//---------------------------------------------------------
bool StaffTextBase::readProperties(XmlReader& e)
{
const QStringRef& tag(e.name());
if (tag == "MidiAction") {
int channel = e.intAttribute("channel", 0);
QString name = e.attribute("name");
bool found = false;
int n = _channelActions.size();
for (int i = 0; i < n; ++i) {
ChannelActions* a = &_channelActions[i];
if (a->channel == channel) {
a->midiActionNames.append(name);
found = true;
break;
}
}
if (!found) {
ChannelActions a;
a.channel = channel;
a.midiActionNames.append(name);
_channelActions.append(a);
}
e.readNext();
}
else if (tag == "channelSwitch" || tag == "articulationChange") {
int voice = e.intAttribute("voice", -1);
if (voice >= 0 && voice < VOICES)
_channelNames[voice] = e.attribute("name");
else if (voice == -1) {
// no voice applies channel to all voices for
// compatibility
for (int i = 0; i < VOICES; ++i)
_channelNames[i] = e.attribute("name");
}
e.readNext();
}
else if (tag == "aeolus") {
int group = e.intAttribute("group", -1);
if (group >= 0 && group < 4)
aeolusStops[group] = e.readInt();
else
e.readNext();
_setAeolusStops = true;
}
else if (tag == "swing") {
QString swingUnit = e.attribute("unit","");
int unit = 0;
if (swingUnit == TDuration(TDuration::DurationType::V_EIGHTH).name())
unit = MScore::division / 2;
else if (swingUnit == TDuration(TDuration::DurationType::V_16TH).name())
unit = MScore:: division / 4;
else if (swingUnit == TDuration(TDuration::DurationType::V_ZERO).name())
unit = 0;
int ratio = e.intAttribute("ratio", 60);
setSwing(true);
setSwingParameters(unit, ratio);
e.readNext();
}
else if (tag == "capo") {
int fretId = e.intAttribute("fretId", 0);
setCapo(fretId);
e.readNext();
}
else if (!TextBase::readProperties(e))
return false;
return true;
}
//---------------------------------------------------------
// clearAeolusStops
//---------------------------------------------------------
void StaffTextBase::clearAeolusStops()
{
for (int i = 0; i < 4; ++i)
aeolusStops[i] = 0;
}
//---------------------------------------------------------
// setAeolusStop
//---------------------------------------------------------
void StaffTextBase::setAeolusStop(int group, int idx, bool val)
{
if (val)
aeolusStops[group] |= (1 << idx);
else
aeolusStops[group] &= ~(1 << idx);
}
//---------------------------------------------------------
// getAeolusStop
//---------------------------------------------------------
bool StaffTextBase::getAeolusStop(int group, int idx) const
{
return aeolusStops[group] & (1 << idx);
}
//---------------------------------------------------------
// segment
//---------------------------------------------------------
Segment* StaffTextBase::segment() const
{
if (!parent()->isSegment()) {
qDebug("parent %s", parent()->name());
return 0;
}
Segment* s = toSegment(parent());
return s;
}
}