87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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// $Id: keysig.h 5149 2011-12-29 08:38:43Z wschweer $
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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 __KEYSIG_H__
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#define __KEYSIG_H__
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#include "key.h"
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#include "element.h"
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class Sym;
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class Segment;
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class QPainter;
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//---------------------------------------------------------
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// KeySym
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// position of one symbol in KeySig
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//---------------------------------------------------------
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struct KeySym {
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int sym;
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QPointF spos;
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QPointF pos;
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};
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//---------------------------------------------------------
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// KeySig
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/// The KeySig class represents a Key Signature on a staff
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//---------------------------------------------------------
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class KeySig : public Element {
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Q_OBJECT
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bool _showCourtesySig;
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bool _showNaturals;
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QList<KeySym*> keySymbols;
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KeySigEvent _sig;
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void addLayout(int sym, qreal x, int y);
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public:
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KeySig(Score*);
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KeySig(const KeySig&);
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virtual KeySig* clone() const { return new KeySig(*this); }
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virtual void draw(QPainter*) const;
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virtual ElementType type() const { return KEYSIG; }
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virtual bool acceptDrop(MuseScoreView*, const QPointF&, Element*) const;
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virtual Element* drop(const DropData&);
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virtual void layout();
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void setSig(int oldSig, int newSig);
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void setOldSig(int oldSig);
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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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Space space() const;
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void setCustom(const QList<KeySym*>& symbols);
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virtual void write(Xml&) const;
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virtual void read(const QDomElement&);
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int keySignature() const { return _sig.accidentalType(); } // -7 - +7
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int customType() const { return _sig.customType(); }
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bool isCustom() const { return _sig.custom(); }
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KeySigEvent keySigEvent() const { return _sig; }
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bool operator==(const KeySig&) const;
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void changeKeySigEvent(const KeySigEvent&);
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void setKeySigEvent(const KeySigEvent& e) { _sig = e; }
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int tick() const;
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bool showCourtesySig() const { return _showCourtesySig; };
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bool showNaturals() const { return _showNaturals; };
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void setShowCourtesySig(bool v) { _showCourtesySig = v; };
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void setShowNaturals(bool v) { _showNaturals = v; };
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};
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extern const char* keyNames[15];
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#endif
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