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