134 lines
4.6 KiB
C++
134 lines
4.6 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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//
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// Copyright (C) 2002-2017 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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#ifndef __TIMESIG_H__
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#define __TIMESIG_H__
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#include "element.h"
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#include "sig.h"
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#include "mscore.h"
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#include "groups.h"
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namespace Ms {
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class MuseScoreView;
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class Segment;
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//---------------------------------------------------------
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// TimeSigType
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//---------------------------------------------------------
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enum class TimeSigType : char {
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NORMAL, // use sz/sn text
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FOUR_FOUR, // common time (4/4)
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ALLA_BREVE, // cut time (2/2)
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};
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//---------------------------------------------------------------------------------------
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// @@ TimeSig
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/// This class represents a time signature.
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//---------------------------------------------------------------------------------------
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class TimeSig final : public Element {
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QString _numeratorString; // calculated from actualSig() if !customText
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QString _denominatorString;
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std::vector<SymId> ns;
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std::vector<SymId> ds;
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QPointF pz;
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QPointF pn;
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QPointF pointLargeLeftParen;
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QPointF pointLargeRightParen;
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Fraction _sig;
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Fraction _stretch; // localSig / globalSig
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Groups _groups;
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QSizeF _scale;
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TimeSigType _timeSigType;
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bool _showCourtesySig;
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bool _largeParentheses;
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public:
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TimeSig(Score* = 0);
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QString ssig() const;
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void setSSig(const QString&);
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virtual TimeSig* clone() const override { return new TimeSig(*this); }
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virtual ElementType type() const override { return ElementType::TIMESIG; }
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TimeSigType timeSigType() const { return _timeSigType; }
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bool operator==(const TimeSig&) const;
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bool operator!=(const TimeSig& ts) const { return !(*this == ts); }
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virtual qreal mag() const override;
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virtual void draw(QPainter*) const override;
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virtual void write(XmlWriter& xml) const override;
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virtual void read(XmlReader&) override;
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virtual void layout() override;
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virtual Shape shape() const override;
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Fraction sig() const { return _sig; }
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void setSig(const Fraction& f, TimeSigType st = TimeSigType::NORMAL);
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int numerator() const { return _sig.numerator(); }
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int denominator() const { return _sig.denominator(); }
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Fraction stretch() const { return _stretch; }
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void setStretch(const Fraction& s) { _stretch = s; }
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int numeratorStretch() const { return _stretch.numerator(); }
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int denominatorStretch() const { return _stretch.denominator(); }
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bool acceptDrop(EditData&) const override;
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virtual Element* drop(EditData&) override;
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Segment* segment() const { return (Segment*)parent(); }
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Measure* measure() const { return (Measure*)parent()->parent(); }
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bool showCourtesySig() const { return _showCourtesySig; }
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void setShowCourtesySig(bool v) { _showCourtesySig = v; }
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QString numeratorString() const { return _numeratorString; }
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void setNumeratorString(const QString&);
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QString denominatorString() const { return _denominatorString; }
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void setDenominatorString(const QString&);
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void setLargeParentheses(bool v) { _largeParentheses = v; }
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void setScale(const QSizeF& s) { _scale = s; }
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void setFrom(const TimeSig*);
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virtual QVariant getProperty(Pid propertyId) const override;
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virtual bool setProperty(Pid propertyId, const QVariant&) override;
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virtual QVariant propertyDefault(Pid id) const override;
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virtual Pid propertyId(const QStringRef& xmlName) const override;
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const Groups& groups() const { return _groups; }
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void setGroups(const Groups& e) { _groups = e; }
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Fraction globalSig() const { return (_sig * _stretch).reduced(); }
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void setGlobalSig(const Fraction& f) { _stretch = (_sig / f).reduced(); }
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bool isLocal() const { return _stretch != Fraction(1,1); }
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virtual Element* nextSegmentElement();
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virtual Element* prevSegmentElement();
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virtual QString accessibleInfo() const override;
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};
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} // namespace Ms
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#endif
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