110 lines
3.8 KiB
C++
110 lines
3.8 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 __REST_H__
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#define __REST_H__
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#include "chordrest.h"
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namespace Ms {
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class TDuration;
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enum class SymId;
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//---------------------------------------------------------
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// @@ Rest
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/// This class implements a rest.
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// @P isFullMeasure bool (read only)
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//---------------------------------------------------------
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class Rest : public ChordRest {
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Q_OBJECT
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Q_PROPERTY(bool isFullMeasure READ isFullMeasureRest)
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// values calculated by layout:
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SymId _sym;
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int dotline { -1 }; // depends on rest symbol
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qreal _mmWidth { 0.0 }; // width of multi measure rest
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bool _gap; ///< invisible and not selectable for user
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virtual QRectF drag(EditData*) override;
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virtual qreal upPos() const override;
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virtual qreal downPos() const override;
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virtual qreal centerX() const override;
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virtual void setUserOff(const QPointF& o) override;
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protected:
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ElementList _el; ///< symbols or images
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public:
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Rest(Score* s = 0);
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Rest(Score*, const TDuration&);
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Rest(const Rest&, bool link = false);
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~Rest();
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virtual Element::Type type() const override { return Element::Type::REST; }
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Rest &operator=(const Rest&) = delete;
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virtual Rest* clone() const override { return new Rest(*this, false); }
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virtual Element* linkedClone() { return new Rest(*this, true); }
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virtual Measure* measure() const override { return parent() ? (Measure*)(parent()->parent()) : 0; }
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virtual qreal mag() const override;
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virtual void draw(QPainter*) const override;
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virtual void scanElements(void* data, void (*func)(void*, Element*), bool all=true) override;
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virtual bool acceptDrop(const DropData&) const override;
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virtual Element* drop(const DropData&) override;
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virtual void layout() override;
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bool isGap() const { return _gap; }
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virtual void setGap(bool v) { _gap = v; }
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virtual void reset() override;
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virtual void add(Element*);
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virtual void remove(Element*);
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virtual void read(XmlReader&) override;
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virtual void write(Xml& xml) const override;
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void setMMWidth(qreal val);
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qreal mmWidth() const { return _mmWidth; }
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SymId getSymbol(TDuration::DurationType type, int line, int lines, int* yoffset);
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int getDotline() const { return dotline; }
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static int getDotline(TDuration::DurationType durationType);
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SymId sym() const { return _sym; }
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int computeLineOffset();
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bool accent();
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void setAccent(bool flag);
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virtual int upLine() const;
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virtual int downLine() const;
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virtual QPointF stemPos() const;
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virtual qreal stemPosX() const;
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virtual QPointF stemPosBeam() const;
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ElementList el() { return _el; }
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const ElementList el() const { return _el; }
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virtual bool setProperty(P_ID propertyId, const QVariant& v) override;
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virtual QVariant getProperty(P_ID propertyId) const override;
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virtual QVariant propertyDefault(P_ID) const override;
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virtual QString accessibleInfo() const override;
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virtual QString screenReaderInfo() const override;
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Shape shape() const override;
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};
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} // namespace Ms
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#endif
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