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//=============================================================================
// 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"
namespace Ms {
class Sym;
class Segment;
//---------------------------------------------------------------------------------------
// @@ KeySig
/// The KeySig class represents a Key Signature on a staff
//
// @P showCourtesy bool show courtesy key signature for this sig if appropriate
//---------------------------------------------------------------------------------------
class KeySig final : public Element {
bool _showCourtesy;
bool _hideNaturals; // used in layout to override score style (needed for the Continuous panel)
KeySigEvent _sig;
void addLayout(SymId sym, qreal x, int y);
public:
KeySig(Score* = 0);
KeySig(const KeySig&);
virtual KeySig* clone() const override { return new KeySig(*this); }
virtual void draw(QPainter*) const override;
virtual ElementType type() const override { return ElementType::KEYSIG; }
virtual bool acceptDrop(EditData&) const override;
virtual Element* drop(EditData&) override;
virtual void layout() override;
virtual Shape shape() const override;
virtual qreal mag() const override;
//@ sets the key of the key signature
Q_INVOKABLE void setKey(Key);
Segment* segment() const { return (Segment*)parent(); }
Measure* measure() const { return parent() ? (Measure*)parent()->parent() : nullptr; }
virtual void write(XmlWriter&) const override;
virtual void read(XmlReader&) override;
//@ returns the key of the key signature (from -7 (flats) to +7 (sharps) )
Q_INVOKABLE Key key() const { return _sig.key(); }
bool isCustom() const { return _sig.custom(); }
bool isAtonal() const { return _sig.isAtonal(); }
bool isChange() const;
KeySigEvent keySigEvent() const { return _sig; }
bool operator==(const KeySig&) const;
void changeKeySigEvent(const KeySigEvent&);
void setKeySigEvent(const KeySigEvent& e) { _sig = e; }
bool showCourtesy() const { return _showCourtesy; }
void setShowCourtesy(bool v) { _showCourtesy = v; }
void undoSetShowCourtesy(bool v);
void setHideNaturals(bool hide) { _hideNaturals = hide; }
QVariant getProperty(Pid propertyId) const;
bool setProperty(Pid propertyId, const QVariant&);
QVariant propertyDefault(Pid id) const;
virtual Element* nextSegmentElement() override;
virtual Element* prevSegmentElement() override;
virtual QString accessibleInfo() const override;
SymId convertFromOldId(int val) const;
};
extern const char* keyNames[];
} // namespace Ms
#endif
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