MuseScore/libmscore/keysig.h

98 lines
3.4 KiB
C++

//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2002-2011 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
//=============================================================================
#ifndef __KEYSIG_H__
#define __KEYSIG_H__
#include "key.h"
#include "element.h"
class Sym;
class Segment;
class QPainter;
//---------------------------------------------------------
// KeySym
// position of one symbol in KeySig
//---------------------------------------------------------
struct KeySym {
int sym;
QPointF spos;
QPointF pos;
};
//---------------------------------------------------------------------------------------
// @@ KeySig
/// The KeySig class represents a Key Signature on a staff
//
// @P showCourtesy bool show courtesy key signature for this sig if appropriate
// @P showNaturals bool
//---------------------------------------------------------------------------------------
class KeySig : public Element {
Q_OBJECT
Q_PROPERTY(bool showCourtesy READ showCourtesy WRITE undoSetShowCourtesy)
Q_PROPERTY(bool showNaturals READ showNaturals WRITE undoSetShowNaturals)
bool _showCourtesy;
bool _showNaturals;
QList<KeySym*> keySymbols;
KeySigEvent _sig;
void addLayout(int sym, qreal x, int y);
public:
KeySig(Score* = 0);
KeySig(const KeySig&);
virtual KeySig* clone() const { return new KeySig(*this); }
virtual void draw(QPainter*) const;
virtual ElementType type() const { return KEYSIG; }
virtual bool acceptDrop(MuseScoreView*, const QPointF&, Element*) const;
virtual Element* drop(const DropData&);
virtual void layout();
void setSig(int oldSig, int newSig);
void setOldSig(int oldSig);
Segment* segment() const { return (Segment*)parent(); }
Measure* measure() const { return (Measure*)parent()->parent(); }
Space space() const;
void setCustom(const QList<KeySym*>& symbols);
virtual void write(Xml&) const;
virtual void read(XmlReader&);
//@ -7 (flats) -- +7 (sharps)
Q_INVOKABLE int keySignature() const { return _sig.accidentalType(); } // -7 - +7
int customType() const { return _sig.customType(); }
bool isCustom() const { return _sig.custom(); }
KeySigEvent keySigEvent() const { return _sig; }
bool operator==(const KeySig&) const;
void changeKeySigEvent(const KeySigEvent&);
void setKeySigEvent(const KeySigEvent& e) { _sig = e; }
int tick() const;
bool showCourtesy() const { return _showCourtesy; };
void setShowCourtesy(bool v) { _showCourtesy = v; };
void undoSetShowCourtesy(bool v);
bool showNaturals() const { return _showNaturals; };
void setShowNaturals(bool v) { _showNaturals = v; };
void undoSetShowNaturals(bool v) { _showNaturals = v; };
QVariant getProperty(P_ID propertyId) const;
bool setProperty(P_ID propertyId, const QVariant&);
QVariant propertyDefault(P_ID id) const;
};
extern const char* keyNames[15];
#endif