309 lines
11 KiB
C++
309 lines
11 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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//
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// Copyright (C) 2008-2011 Werner Schweer
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2
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// as published by the Free Software Foundation and appearing in
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// the file LICENCE.GPL
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//=============================================================================
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#include "score.h"
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#include "tempotext.h"
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#include "tempo.h"
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#include "system.h"
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#include "measure.h"
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#include "xml.h"
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namespace Ms {
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//---------------------------------------------------------
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// TempoText
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//---------------------------------------------------------
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TempoText::TempoText(Score* s)
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: Text(s)
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{
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_tempo = 2.0; // propertyDefault(P_TEMPO).toDouble();
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_followText = false;
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setPlacement(Element::Placement::ABOVE);
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setTextStyleType(TextStyleType::TEMPO);
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}
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//---------------------------------------------------------
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// write
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//---------------------------------------------------------
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void TempoText::write(Xml& xml) const
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{
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xml.stag("Tempo");
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xml.tag("tempo", _tempo);
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if (_followText)
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xml.tag("followText", _followText);
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Text::writeProperties(xml);
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xml.etag();
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}
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//---------------------------------------------------------
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// read
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//---------------------------------------------------------
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void TempoText::read(XmlReader& e)
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{
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while (e.readNextStartElement()) {
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const QStringRef& tag(e.name());
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if (tag == "tempo")
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_tempo = e.readDouble();
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else if (tag == "followText")
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_followText = e.readInt();
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else if (!Text::readProperties(e))
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e.unknown();
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}
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if (score()->mscVersion() < 119) {
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//
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// Reset text in old version to
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// style.
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//
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//TODO if (textStyle() != TextStyleType::INVALID) {
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// setStyled(true);
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// styleChanged();
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// }
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}
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// check sanity
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if (xmlText().isEmpty()) {
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setXmlText(QString("<sym>unicodeNoteQuarterUp</sym> = %1").arg(lrint(60 * _tempo)));
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setVisible(false);
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}
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}
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//---------------------------------------------------------
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// TempoPattern
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//---------------------------------------------------------
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struct TempoPattern {
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const char* pattern;
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qreal f;
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TDuration d;
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TempoPattern(const char* s, qreal v, TDuration::DurationType val, int dots = 0) : pattern(s), f(v), d(val) { d.setDots(dots); }
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};
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// note: findTempoDuration requires the longer patterns to be before the shorter patterns in tp
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static const TempoPattern tp[] = {
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TempoPattern("<sym>unicodeNoteHalfUp</sym>\\s*<sym>unicodeAugmentationDot</sym>", 1.5/30.0, TDuration::DurationType::V_HALF, 1), // dotted 1/2
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TempoPattern("<sym>unicodeNoteHalfUp</sym><sym>space</sym><sym>unicodeAugmentationDot</sym>", 1.5/30.0, TDuration::DurationType::V_HALF, 1), // dotted 1/2
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TempoPattern("<sym>unicodeNoteQuarterUp</sym>\\s*<sym>unicodeAugmentationDot</sym>", 1.5/60.0, TDuration::DurationType::V_QUARTER, 1), // dotted 1/4
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TempoPattern("<sym>unicodeNoteQuarterUp</sym><sym>space</sym><sym>unicodeAugmentationDot</sym>", 1.5/60.0, TDuration::DurationType::V_QUARTER, 1), // dotted 1/4
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TempoPattern("<sym>unicodeNote8thUp</sym>\\s*<sym>unicodeAugmentationDot</sym>", 1.5/120.0, TDuration::DurationType::V_EIGHTH, 1), // dotted 1/8
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TempoPattern("<sym>unicodeNote8thUp</sym><sym>space</sym><sym>unicodeAugmentationDot</sym>", 1.5/120.0, TDuration::DurationType::V_EIGHTH, 1), // dotted 1/8
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TempoPattern("<sym>unicodeNoteHalfUp</sym>", 1.0/30.0, TDuration::DurationType::V_HALF), // 1/2
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TempoPattern("<sym>unicodeNoteQuarterUp</sym>", 1.0/60.0, TDuration::DurationType::V_QUARTER), // 1/4
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TempoPattern("<sym>unicodeNote8thUp</sym>", 1.0/120.0, TDuration::DurationType::V_EIGHTH), // 1/8
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};
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//---------------------------------------------------------
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// findTempoDuration
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// find the duration part (note + dot) of a tempo text in string s
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// return the match position or -1 if not found
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// set len to the match length and dur to the duration value
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//---------------------------------------------------------
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int TempoText::findTempoDuration(const QString& s, int& len, TDuration& dur)
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{
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len = 0;
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dur = TDuration();
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for (const auto& i : tp) {
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QRegExp re(i.pattern);
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int pos = re.indexIn(s);
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if (pos != -1) {
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len = re.matchedLength();
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dur = i.d;
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return pos;
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}
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}
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return -1;
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}
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//---------------------------------------------------------
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// duration2tempoTextString
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// find the tempoText string representation for duration
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//---------------------------------------------------------
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QString TempoText::duration2tempoTextString(const TDuration dur)
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{
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for (const TempoPattern& pa : tp) {
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if (pa.d == dur) {
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QString res = pa.pattern;
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res.remove("\\s*");
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return res;
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}
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}
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return "";
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}
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//---------------------------------------------------------
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// textChanged
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// text may have changed
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//---------------------------------------------------------
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void TempoText::textChanged()
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{
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if (!_followText)
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return;
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QString s = xmlText();
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s.replace(",", ".");
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for (const TempoPattern& pa : tp) {
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QRegExp re(QString(pa.pattern)+"\\s*=\\s*(\\d+[.]{0,1}\\d*)");
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if (re.indexIn(s) != -1) {
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QStringList sl = re.capturedTexts();
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if (sl.size() == 2) {
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qreal nt = qreal(sl[1].toDouble()) * pa.f;
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if (nt != _tempo) {
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_tempo = qreal(sl[1].toDouble()) * pa.f;
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if(segment())
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score()->setTempo(segment(), _tempo);
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score()->setPlaylistDirty();
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}
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break;
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}
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}
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}
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}
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//---------------------------------------------------------
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// undoSetTempo
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//---------------------------------------------------------
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void TempoText::undoSetTempo(qreal v)
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{
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score()->undoChangeProperty(this, P_ID::TEMPO, v);
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}
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//---------------------------------------------------------
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// undoSetFollowText
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//---------------------------------------------------------
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void TempoText::undoSetFollowText(bool v)
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{
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score()->undoChangeProperty(this, P_ID::TEMPO_FOLLOW_TEXT, v);
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}
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//---------------------------------------------------------
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// getProperty
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//---------------------------------------------------------
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QVariant TempoText::getProperty(P_ID propertyId) const
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{
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switch(propertyId) {
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case P_ID::TEMPO: return _tempo;
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case P_ID::TEMPO_FOLLOW_TEXT: return _followText;
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default:
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return Text::getProperty(propertyId);
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}
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}
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//---------------------------------------------------------
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// setProperty
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//---------------------------------------------------------
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bool TempoText::setProperty(P_ID propertyId, const QVariant& v)
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{
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switch(propertyId) {
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case P_ID::TEMPO:
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_tempo = v.toDouble();
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score()->setTempo(segment(), _tempo);
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break;
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case P_ID::TEMPO_FOLLOW_TEXT:
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_followText = v.toBool();
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break;
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default:
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if (!Text::setProperty(propertyId, v))
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return false;
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break;
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}
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score()->setLayoutAll(true);
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return true;
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}
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//---------------------------------------------------------
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// propertyDefault
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//---------------------------------------------------------
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QVariant TempoText::propertyDefault(P_ID id) const
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{
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switch(id) {
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case P_ID::TEMPO: return 2.0;
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case P_ID::TEMPO_FOLLOW_TEXT: return false;
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case P_ID::PLACEMENT: return int(Element::Placement::ABOVE);
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default:
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return Text::propertyDefault(id);
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}
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}
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//---------------------------------------------------------
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// layout
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//---------------------------------------------------------
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void TempoText::layout()
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{
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setPos(textStyle().offset(spatium()));
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Text::layout1();
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Segment* s = segment();
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if (s && !s->rtick()) {
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// tempo text on first chordrest of measure should align over time sig if present
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Segment* p = segment()->prev(Segment::Type::TimeSig);
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if (p) {
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rxpos() -= s->x() - p->x();
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Element* e = p->element(staffIdx() * VOICES);
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if (e)
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rxpos() += e->x();
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// correct user offset in older scores
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if (score()->mscVersion() <= 114 && !userOff().isNull())
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rUserXoffset() += s->x() - p->x();
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}
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}
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if (placement() == Element::Placement::BELOW) {
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rypos() = -rypos() + 4 * spatium();
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// rUserYoffset() *= -1;
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// text height ?
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}
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adjustReadPos();
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}
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//---------------------------------------------------------
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// accessibleInfo
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//---------------------------------------------------------
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QString TempoText::accessibleInfo()
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{
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TDuration t;
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int len;
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int x = findTempoDuration(plainText(), len, t);
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if (x != -1) {
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QString dots;
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switch (t.dots()) {
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case 1: dots = tr("Dotted %1").arg(t.durationTypeUserName());
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break;
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case 2: dots = tr("Double dotted %1").arg(t.durationTypeUserName());
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break;
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case 3: dots = tr("Triple dotted %1").arg(t.durationTypeUserName());
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break;
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default:
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dots = t.durationTypeUserName();
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break;
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}
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QString bpm = plainText().split(" = ").back();
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return QString("%1: %2 %3").arg(Element::accessibleInfo()).arg(dots).arg(tr("note = %1").arg(bpm));
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}
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else
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return Text::accessibleInfo();
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}
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}
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