MuseScore/libmscore/tempotext.cpp

404 lines
15 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 "tempotext.h"
#include "tempo.h"
#include "system.h"
#include "measure.h"
#include "xml.h"
namespace Ms {
#define MIN_TEMPO 5.0/60
#define MAX_TEMPO 999.0/60
//---------------------------------------------------------
// TempoText
//---------------------------------------------------------
TempoText::TempoText(Score* s)
: Text(s)
{
_tempo = 2.0; // propertyDefault(P_TEMPO).toDouble();
_followText = false;
_relative = 1.0;
_isRelative = false;
setPlacement(Element::Placement::ABOVE);
setTextStyleType(TextStyleType::TEMPO);
}
//---------------------------------------------------------
// write
//---------------------------------------------------------
void TempoText::write(Xml& xml) const
{
xml.stag("Tempo");
xml.tag("tempo", _tempo);
if (_followText)
xml.tag("followText", _followText);
Text::writeProperties(xml);
xml.etag();
}
//---------------------------------------------------------
// read
//---------------------------------------------------------
void TempoText::read(XmlReader& e)
{
while (e.readNextStartElement()) {
const QStringRef& tag(e.name());
if (tag == "tempo")
setTempo(e.readDouble());
else if (tag == "followText")
_followText = e.readInt();
else if (!Text::readProperties(e))
e.unknown();
}
if (score()->mscVersion() <= 114) {
//
// Reset text in old version to
// style.
//
//TODO if (textStyle() != TextStyleType::INVALID) {
// setStyled(true);
// styleChanged();
// }
}
// check sanity
if (xmlText().isEmpty()) {
setXmlText(QString("<sym>metNoteQuarterUp</sym> = %1").arg(lrint(60 * _tempo)));
setVisible(false);
}
}
//---------------------------------------------------------
// TempoPattern
//---------------------------------------------------------
struct TempoPattern {
const char* pattern;
qreal f;
TDuration d;
TempoPattern(const char* s, qreal v, TDuration::DurationType val, int dots = 0) : pattern(s), f(v), d(val) { d.setDots(dots); }
};
// note: findTempoDuration requires the longer patterns to be before the shorter patterns in tp
static const TempoPattern tp[] = {
TempoPattern("<sym>metNoteQuarterUp</sym>\\s*<sym>metAugmentationDot</sym>\\s*<sym>metAugmentationDot</sym>", 1.75/60.0, TDuration::DurationType::V_QUARTER, 2), // double dotted 1/4
TempoPattern("<sym>metNoteQuarterUp</sym>\\s*<sym>metAugmentationDot</sym>", 1.5/60.0, TDuration::DurationType::V_QUARTER, 1), // dotted 1/4
TempoPattern("<sym>metNoteQuarterUp</sym>", 1.0/60.0, TDuration::DurationType::V_QUARTER), // 1/4
TempoPattern("<sym>metNoteHalfUp</sym>\\s*<sym>metAugmentationDot</sym>\\s*<sym>metAugmentationDot</sym>", 1.75/30.0, TDuration::DurationType::V_HALF, 2), // double dotted 1/2
TempoPattern("<sym>metNoteHalfUp</sym>\\s*<sym>metAugmentationDot</sym>", 1.5/30.0, TDuration::DurationType::V_HALF, 1), // dotted 1/2
TempoPattern("<sym>metNoteHalfUp</sym>", 1.0/30.0, TDuration::DurationType::V_HALF), // 1/2
TempoPattern("<sym>metNote8thUp</sym>\\s*<sym>metAugmentationDot</sym>\\s*<sym>metAugmentationDot</sym>", 1.75/120.0, TDuration::DurationType::V_EIGHTH, 2), // double dotted 1/8
TempoPattern("<sym>metNote8thUp</sym>\\s*<sym>metAugmentationDot</sym>", 1.5/120.0, TDuration::DurationType::V_EIGHTH, 1), // dotted 1/8
TempoPattern("<sym>metNote8thUp</sym>", 1.0/120.0, TDuration::DurationType::V_EIGHTH), // 1/8
TempoPattern("<sym>metNoteWhole</sym>\\s*<sym>metAugmentationDot</sym>", 1.5/15.0, TDuration::DurationType::V_WHOLE, 1), // dotted whole
TempoPattern("<sym>metNoteWhole</sym>", 1.0/15.0, TDuration::DurationType::V_WHOLE), // whole
TempoPattern("<sym>metNote16thUp</sym>\\s*<sym>metAugmentationDot</sym>", 1.5/240.0, TDuration::DurationType::V_16TH, 1), // dotted 1/16
TempoPattern("<sym>metNote16thUp</sym>", 1.0/240.0, TDuration::DurationType::V_16TH), // 1/16
TempoPattern("<sym>metNote32ndUp</sym>\\s*<sym>metAugmentationDot</sym>", 1.5/480.0, TDuration::DurationType::V_32ND, 1), // dotted 1/32
TempoPattern("<sym>metNote32ndUp</sym>", 1.0/480.0, TDuration::DurationType::V_32ND), // 1/32
TempoPattern("<sym>metNoteDoubleWholeSquare</sym>", 1.0/7.5, TDuration::DurationType::V_BREVE), // longa
TempoPattern("<sym>metNoteDoubleWhole</sym>", 1.0/7.5, TDuration::DurationType::V_BREVE), // double whole
TempoPattern("<sym>metNote64thUp</sym>", 1.0/960.0, TDuration::DurationType::V_64TH), // 1/64
TempoPattern("<sym>metNote128thUp</sym>", 1.0/1920.0,TDuration::DurationType::V_128TH), // 1/128
};
//---------------------------------------------------------
// findTempoDuration
// find the duration part (note + dot) of a tempo text in string s
// return the match position or -1 if not found
// set len to the match length and dur to the duration value
//---------------------------------------------------------
int TempoText::findTempoDuration(const QString& s, int& len, TDuration& dur)
{
len = 0;
dur = TDuration();
for (const auto& i : tp) {
QRegExp re(i.pattern);
int pos = re.indexIn(s);
if (pos != -1) {
len = re.matchedLength();
dur = i.d;
return pos;
}
}
return -1;
}
//---------------------------------------------------------
// duration2tempoTextString
// find the tempoText string representation for duration
//---------------------------------------------------------
QString TempoText::duration2tempoTextString(const TDuration dur)
{
for (const TempoPattern& pa : tp) {
if (pa.d == dur) {
QString res = pa.pattern;
res.remove("\\s*");
return res;
}
}
return "";
}
//---------------------------------------------------------
// updateScore
//---------------------------------------------------------
void TempoText::updateScore()
{
if (segment())
score()->setTempo(segment(), _tempo);
score()->fixTicks();
score()->setPlaylistDirty();
}
//---------------------------------------------------------
// updateRelative
//---------------------------------------------------------
void TempoText::updateRelative()
{
qreal tempoBefore = score()->tempo(tick() - 1);
setTempo(tempoBefore * _relative);
}
//---------------------------------------------------------
// textChanged
// text may have changed
//---------------------------------------------------------
void TempoText::textChanged()
{
if (!_followText)
return;
QString s = plainText();
s.replace(",", ".");
s.replace("<sym>space</sym>"," ");
for (const TempoPattern& pa : tp) {
QRegExp re(QString(pa.pattern)+"\\s*=\\s*(\\d+[.]{0,1}\\d*)\\s*");
if (re.indexIn(s) != -1) {
QStringList sl = re.capturedTexts();
if (sl.size() == 2) {
qreal nt = qreal(sl[1].toDouble()) * pa.f;
if (nt != _tempo) {
setTempo(qreal(sl[1].toDouble()) * pa.f);
_relative = 1.0;
_isRelative = false;
updateScore();
}
break;
}
}
else {
for (const TempoPattern& pa2 : tp) {
QRegExp re(QString("%1\\s*=\\s*%2\\s*").arg(pa.pattern).arg(pa2.pattern));
if (re.indexIn(s) != -1) {
_relative = pa2.f / pa.f;
_isRelative = true;
updateRelative();
updateScore();
return;
}
}
}
}
}
//---------------------------------------------------------
// setTempo
//---------------------------------------------------------
void TempoText::setTempo(qreal v)
{
if (v < MIN_TEMPO)
v = MIN_TEMPO;
else if (v > MAX_TEMPO)
v = MAX_TEMPO;
_tempo = v;
}
//---------------------------------------------------------
// undoSetTempo
//---------------------------------------------------------
void TempoText::undoSetTempo(qreal v)
{
undoChangeProperty(P_ID::TEMPO, v);
}
//---------------------------------------------------------
// undoSetFollowText
//---------------------------------------------------------
void TempoText::undoSetFollowText(bool v)
{
undoChangeProperty(P_ID::TEMPO_FOLLOW_TEXT, v);
}
//---------------------------------------------------------
// getProperty
//---------------------------------------------------------
QVariant TempoText::getProperty(P_ID propertyId) const
{
switch(propertyId) {
case P_ID::TEMPO: return _tempo;
case P_ID::TEMPO_FOLLOW_TEXT: return _followText;
default:
return Text::getProperty(propertyId);
}
}
//---------------------------------------------------------
// setProperty
//---------------------------------------------------------
bool TempoText::setProperty(P_ID propertyId, const QVariant& v)
{
switch (propertyId) {
case P_ID::TEMPO:
setTempo(v.toDouble());
score()->setTempo(segment(), _tempo);
score()->fixTicks();
break;
case P_ID::TEMPO_FOLLOW_TEXT:
_followText = v.toBool();
break;
default:
if (!Text::setProperty(propertyId, v))
return false;
break;
}
triggerLayout();
return true;
}
//---------------------------------------------------------
// propertyDefault
//---------------------------------------------------------
QVariant TempoText::propertyDefault(P_ID id) const
{
switch(id) {
case P_ID::TEMPO: return 2.0;
case P_ID::TEMPO_FOLLOW_TEXT: return false;
case P_ID::PLACEMENT: return int(Element::Placement::ABOVE);
default:
return Text::propertyDefault(id);
}
}
//---------------------------------------------------------
// layout
// called after Measure->stretchMeasure()
//---------------------------------------------------------
void TempoText::layout()
{
if (autoplace())
setUserOff(QPointF());
setPos(textStyle().offset(spatium()));
Text::layout1();
// tempo text on first chordrest of measure should align over time sig if present
//
Segment* s = segment();
if (s && !s->rtick()) {
Segment* p = segment()->prev(Segment::Type::TimeSig);
if (p) {
rxpos() -= s->x() - p->x();
Element* e = p->element(staffIdx() * VOICES);
if (e)
rxpos() += e->x();
}
}
if (placement() == Element::Placement::BELOW)
rypos() = -rypos() + 4 * spatium();
if (s && autoplace()) {
Shape s1 = s->staffShape(staffIdx()).translated(s->pos());
Shape s2 = shape().translated(s->pos());
qreal d = s2.minVerticalDistance(s1);
if (d > 0)
setUserOff(QPointF(0.0, -d));
}
if (!autoplace())
adjustReadPos();
}
//---------------------------------------------------------
// duration2userName
//---------------------------------------------------------
QString TempoText::duration2userName(const TDuration t)
{
QString dots;
switch (t.dots()) {
case 1: dots = tr("Dotted %1").arg(t.durationTypeUserName());
break;
case 2: dots = tr("Double dotted %1").arg(t.durationTypeUserName());
break;
case 3: dots = tr("Triple dotted %1").arg(t.durationTypeUserName());
break;
case 4: dots = tr("Quadruple dotted %1").arg(t.durationTypeUserName());
break;
default:
dots = t.durationTypeUserName();
break;
}
return dots;
}
//---------------------------------------------------------
// accessibleInfo
//---------------------------------------------------------
QString TempoText::accessibleInfo() const
{
TDuration t1;
TDuration t2;
int len1;
int len2;
QString text = plainText();
QString firstPart = text.split(" = ").first();
QString secondPart = text.split(" = ").back();
int x1 = findTempoDuration(firstPart, len1, t1);
int x2 = -1;
if (_relative)
x2 = findTempoDuration(secondPart, len2, t2);
if (x1 != -1) {
QString dots1;
QString dots2;
dots1 = duration2userName(t1);
if (x2 != -1) {
dots2 = duration2userName(t2);
return QString("%1: %2 %3 = %4 %5").arg(Element::accessibleInfo()).arg(dots1).arg(tr("note")).arg(dots2).arg(tr("note"));
}
else
return QString("%1: %2 %3 = %4").arg(Element::accessibleInfo()).arg(dots1).arg(tr("note")).arg(secondPart);
}
else
return Text::accessibleInfo();
}
}