139 lines
5.2 KiB
C++
139 lines
5.2 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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//
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// Copyright (C) 2002-2011 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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#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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class QPainter;
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namespace Ms {
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class MuseScoreView;
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class Segment;
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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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// @P numeratorString QString text of numerator
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// @P denominatorString QString text of denominator
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// @P showCourtesySig bool show courtesy time signature for this sig if appropriate
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// @P numerator int (read only)
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// @P denominator int (read only)
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// @P numeratorStretch int (read only)
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// @P denominatorStretch int (read only)
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// @P groups Ms::Groups
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//---------------------------------------------------------------------------------------
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class TimeSig : public Element {
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Q_OBJECT
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Q_PROPERTY(QString numeratorString READ numeratorString WRITE undoSetNumeratorString)
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Q_PROPERTY(QString denominatorString READ denominatorString WRITE undoSetDenominatorString)
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Q_PROPERTY(bool showCourtesySig READ showCourtesySig WRITE undoSetShowCourtesySig)
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Q_PROPERTY(int numerator READ numerator)
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Q_PROPERTY(int denominator READ denominator)
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Q_PROPERTY(int numeratorStretch READ numeratorStretch)
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Q_PROPERTY(int denominatorStretch READ denominatorStretch)
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Q_PROPERTY(Ms::Groups groups READ groups WRITE undoSetGroups)
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TimeSigType _timeSigType;
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QString _numeratorString; // calculated from actualSig() if !customText
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QString _denominatorString;
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QPointF pz, pn;
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Fraction _sig;
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Fraction _stretch; // localSig / globalSig
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bool _showCourtesySig;
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bool customText; // if false, sz and sn are calculated from actualSig()
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bool _needLayout;
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Groups _groups;
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void layout1();
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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;
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virtual Element::Type type() const override { return Element::Type::TIMESIG; }
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TimeSigType timeSigType() const { return _timeSigType; }
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virtual qreal mag() const override;
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void draw(QPainter*) const;
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void write(Xml& xml) const;
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void read(XmlReader&);
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void layout();
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Space space() const;
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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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Q_INVOKABLE void setSig(int z, int n, TimeSigType st = TimeSigType::NORMAL) { setSig(Fraction(z, n), st); }
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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(MuseScoreView*, const QPointF&, Element*) const;
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Element* drop(const DropData&);
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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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void undoSetShowCourtesySig(bool v);
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QString numeratorString() const { return _numeratorString; }
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void setNumeratorString(const QString&);
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void undoSetNumeratorString(const QString&);
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QString denominatorString() const { return _denominatorString; }
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void setDenominatorString(const QString&);
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void undoSetDenominatorString(const QString&);
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void setFrom(const TimeSig*);
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QVariant getProperty(P_ID propertyId) const;
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bool setProperty(P_ID propertyId, const QVariant&);
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QVariant propertyDefault(P_ID id) const;
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virtual void spatiumChanged(qreal /*oldValue*/, qreal /*newValue*/);
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void setNeedLayout(bool nl) { _needLayout = nl; }
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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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void undoSetGroups(const 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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};
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} // namespace Ms
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#endif
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