428 lines
17 KiB
C++
428 lines
17 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 "staff.h"
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#include "xml.h"
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namespace Ms {
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#define MIN_TEMPO 5.0/60
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#define MAX_TEMPO 999.0/60
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//TODO: textChanged() needs to be called during/after editing
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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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: TextBase(s, ElementFlags(ElementFlag::SYSTEM))
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{
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initSubStyle(SubStyleId::TEMPO);
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_tempo = 2.0; // propertyDefault(P_TEMPO).toDouble();
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_followText = false;
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_relative = 1.0;
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_isRelative = false;
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}
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//---------------------------------------------------------
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// write
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//---------------------------------------------------------
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void TempoText::write(XmlWriter& xml) const
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{
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xml.stag(name());
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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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TextBase::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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setTempo(e.readDouble());
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else if (tag == "followText")
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_followText = e.readInt();
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else if (!TextBase::readProperties(e))
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e.unknown();
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}
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// check sanity
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if (xmlText().isEmpty()) {
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setXmlText(QString("<sym>metNoteQuarterUp</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("\uECA5\\s*\uECB7\\s*\uECB7", 1.75/60.0, TDuration::DurationType::V_QUARTER, 2), // double dotted 1/4
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TempoPattern("\uECA5\\s*\uECB7", 1.5/60.0, TDuration::DurationType::V_QUARTER, 1), // dotted 1/4
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TempoPattern("\uECA5", 1.0/60.0, TDuration::DurationType::V_QUARTER), // 1/4
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TempoPattern("\uECA3\\s*\uECB7\\s*\uECB7", 1.75/30.0, TDuration::DurationType::V_HALF, 2), // double dotted 1/2
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TempoPattern("\uECA3\\s*\uECB7", 1.5/30.0, TDuration::DurationType::V_HALF, 1), // dotted 1/2
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TempoPattern("\uECA3", 1.0/30.0, TDuration::DurationType::V_HALF), // 1/2
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TempoPattern("\uECA7\\s*\uECB7\\s*\uECB7", 1.75/120.0, TDuration::DurationType::V_EIGHTH, 2), // double dotted 1/8
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TempoPattern("\uECA7\\s*\uECB7", 1.5/120.0, TDuration::DurationType::V_EIGHTH, 1), // dotted 1/8
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TempoPattern("\uECA7", 1.0/120.0, TDuration::DurationType::V_EIGHTH), // 1/8
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TempoPattern("\uECA2\\s*\uECB7", 1.5/15.0, TDuration::DurationType::V_WHOLE, 1), // dotted whole
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TempoPattern("\uECA2", 1.0/15.0, TDuration::DurationType::V_WHOLE), // whole
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TempoPattern("\uECA9\\s*\uECB7", 1.5/240.0, TDuration::DurationType::V_16TH, 1), // dotted 1/16
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TempoPattern("\uECA9", 1.0/240.0, TDuration::DurationType::V_16TH), // 1/16
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TempoPattern("\uECAB\\s*\uECB7", 1.5/480.0, TDuration::DurationType::V_32ND, 1), // dotted 1/32
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TempoPattern("\uECAB", 1.0/480.0, TDuration::DurationType::V_32ND), // 1/32
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TempoPattern("\uECA1", 1.0/7.5, TDuration::DurationType::V_BREVE), // longa
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TempoPattern("\uECA0", 1.0/7.5, TDuration::DurationType::V_BREVE), // double whole
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TempoPattern("\uECAD", 1.0/960.0, TDuration::DurationType::V_64TH), // 1/64
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TempoPattern("\uECAF", 1.0/1920.0, TDuration::DurationType::V_128TH), // 1/128
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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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static const TempoPattern tpSym[] = {
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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
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TempoPattern("<sym>metNoteQuarterUp</sym>\\s*<sym>metAugmentationDot</sym>", 1.5/60.0, TDuration::DurationType::V_QUARTER, 1), // dotted 1/4
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TempoPattern("<sym>metNoteQuarterUp</sym>", 1.0/60.0, TDuration::DurationType::V_QUARTER), // 1/4
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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
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TempoPattern("<sym>metNoteHalfUp</sym>\\s*<sym>metAugmentationDot</sym>", 1.5/30.0, TDuration::DurationType::V_HALF, 1), // dotted 1/2
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TempoPattern("<sym>metNoteHalfUp</sym>", 1.0/30.0, TDuration::DurationType::V_HALF), // 1/2
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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
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TempoPattern("<sym>metNote8thUp</sym>\\s*<sym>metAugmentationDot</sym>", 1.5/120.0, TDuration::DurationType::V_EIGHTH, 1), // dotted 1/8
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TempoPattern("<sym>metNote8thUp</sym>", 1.0/120.0, TDuration::DurationType::V_EIGHTH), // 1/8
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TempoPattern("<sym>metNoteWhole</sym>\\s*<sym>metAugmentationDot</sym>", 1.5/15.0, TDuration::DurationType::V_WHOLE, 1), // dotted whole
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TempoPattern("<sym>metNoteWhole</sym>", 1.0/15.0, TDuration::DurationType::V_WHOLE), // whole
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TempoPattern("<sym>metNote16thUp</sym>\\s*<sym>metAugmentationDot</sym>", 1.5/240.0, TDuration::DurationType::V_16TH, 1), // dotted 1/16
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TempoPattern("<sym>metNote16thUp</sym>", 1.0/240.0, TDuration::DurationType::V_16TH), // 1/16
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TempoPattern("<sym>metNote32ndUp</sym>\\s*<sym>metAugmentationDot</sym>", 1.5/480.0, TDuration::DurationType::V_32ND, 1), // dotted 1/32
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TempoPattern("<sym>metNote32ndUp</sym>", 1.0/480.0, TDuration::DurationType::V_32ND), // 1/32
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TempoPattern("<sym>metNoteDoubleWholeSquare</sym>", 1.0/7.5, TDuration::DurationType::V_BREVE), // longa
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TempoPattern("<sym>metNoteDoubleWhole</sym>", 1.0/7.5, TDuration::DurationType::V_BREVE), // double whole
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TempoPattern("<sym>metNote64thUp</sym>", 1.0/960.0, TDuration::DurationType::V_64TH), // 1/64
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TempoPattern("<sym>metNote128thUp</sym>", 1.0/1920.0,TDuration::DurationType::V_128TH), // 1/128
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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 : tpSym) {
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if (pa.d == dur) {
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QString res = pa.pattern;
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res.replace("\\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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// updateScore
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//---------------------------------------------------------
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void TempoText::updateScore()
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{
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if (segment())
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score()->setTempo(segment(), _tempo);
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score()->fixTicks();
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score()->setPlaylistDirty();
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}
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//---------------------------------------------------------
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// updateRelative
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//---------------------------------------------------------
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void TempoText::updateRelative()
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{
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qreal tempoBefore = score()->tempo(tick() - 1);
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setTempo(tempoBefore * _relative);
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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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// cache regexp, they are costly to create
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static QHash<QString, QRegExp> regexps;
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static QHash<QString, QRegExp> regexps2;
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QString s = plainText();
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s.replace(",", ".");
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s.replace("<sym>space</sym>"," ");
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for (const TempoPattern& pa : tp) {
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QRegExp re;
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if (!regexps.contains(pa.pattern)) {
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re = QRegExp(QString("%1\\s*=\\s*(\\d+[.]{0,1}\\d*)\\s*").arg(pa.pattern));
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regexps[pa.pattern] = re;
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}
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re = regexps.value(pa.pattern);
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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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setTempo(qreal(sl[1].toDouble()) * pa.f);
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_relative = 1.0;
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_isRelative = false;
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updateScore();
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}
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break;
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}
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}
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else {
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for (const TempoPattern& pa2 : tp) {
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QString key = QString("%1_%2").arg(pa.pattern).arg(pa2.pattern);
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QRegExp re2;
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if (!regexps2.contains(key)) {
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re2 = QRegExp(QString("%1\\s*=\\s*%2\\s*").arg(pa.pattern).arg(pa2.pattern));
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regexps2[key] = re2;
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}
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re2 = regexps2.value(key);
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if (re2.indexIn(s) != -1) {
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_relative = pa2.f / pa.f;
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_isRelative = true;
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updateRelative();
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updateScore();
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return;
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}
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}
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}
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}
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}
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//---------------------------------------------------------
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// setTempo
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//---------------------------------------------------------
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void TempoText::setTempo(qreal v)
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{
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if (v < MIN_TEMPO)
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v = MIN_TEMPO;
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else if (v > MAX_TEMPO)
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v = MAX_TEMPO;
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_tempo = v;
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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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undoChangeProperty(Pid::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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undoChangeProperty(Pid::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(Pid propertyId) const
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{
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switch (propertyId) {
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case Pid::TEMPO:
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return _tempo;
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case Pid::TEMPO_FOLLOW_TEXT:
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return _followText;
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default:
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return TextBase::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(Pid propertyId, const QVariant& v)
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{
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switch (propertyId) {
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case Pid::TEMPO:
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setTempo(v.toDouble());
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score()->setTempo(segment(), _tempo);
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score()->fixTicks();
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break;
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case Pid::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 (!TextBase::setProperty(propertyId, v))
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return false;
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break;
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}
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triggerLayout();
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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(Pid id) const
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{
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switch(id) {
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case Pid::SUB_STYLE:
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return int(SubStyleId::TEMPO);
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case Pid::TEMPO:
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return 2.0;
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case Pid::TEMPO_FOLLOW_TEXT:
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return false;
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default:
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return TextBase::propertyDefault(id);
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}
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}
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//---------------------------------------------------------
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// layout
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// called after Measure->stretchMeasure()
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//---------------------------------------------------------
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void TempoText::layout()
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{
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qreal y = placeAbove() ? styleP(Sid::tempoPosAbove) : styleP(Sid::tempoPosBelow) + staff()->height();
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setPos(QPointF(0.0, y));
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TextBase::layout1();
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Segment* s = segment();
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if (!s) // for use in palette
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return;
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// tempo text on first chordrest of measure should align over time sig if present
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//
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if (!s->rtick()) {
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Segment* p = segment()->prev(SegmentType::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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}
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}
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autoplaceSegmentElement(styleP(Sid::tempoMinDistance));
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}
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//---------------------------------------------------------
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// duration2userName
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//---------------------------------------------------------
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QString TempoText::duration2userName(const TDuration t)
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{
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QString dots;
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switch (t.dots()) {
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case 1: dots = QObject::tr("Dotted %1").arg(t.durationTypeUserName());
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break;
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case 2: dots = QObject::tr("Double dotted %1").arg(t.durationTypeUserName());
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break;
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case 3: dots = QObject::tr("Triple dotted %1").arg(t.durationTypeUserName());
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break;
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case 4: dots = QObject::tr("Quadruple 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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return dots;
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}
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//---------------------------------------------------------
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// accessibleInfo
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//---------------------------------------------------------
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QString TempoText::accessibleInfo() const
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{
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TDuration t1;
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TDuration t2;
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int len1;
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int len2;
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QString text = plainText();
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QString firstPart = text.split(" = ").first();
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QString secondPart = text.split(" = ").back();
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int x1 = findTempoDuration(firstPart, len1, t1);
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int x2 = -1;
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if (_relative)
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x2 = findTempoDuration(secondPart, len2, t2);
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if (x1 != -1) {
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QString dots1;
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QString dots2;
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dots1 = duration2userName(t1);
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if (x2 != -1) {
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dots2 = duration2userName(t2);
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return QString("%1: %2 %3 = %4 %5").arg(Element::accessibleInfo()).arg(dots1).arg(QObject::tr("note")).arg(dots2).arg(QObject::tr("note"));
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}
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else
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return QString("%1: %2 %3 = %4").arg(Element::accessibleInfo()).arg(dots1).arg(QObject::tr("note")).arg(secondPart);
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}
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else
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return TextBase::accessibleInfo();
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}
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}
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