MuseScore/libmscore/rest.h

103 lines
3.5 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 __REST_H__
#define __REST_H__
#include "chordrest.h"
namespace Ms {
class TDuration;
enum class SymId;
//---------------------------------------------------------
// @@ Rest
/// This class implements a rest.
// @P isFullMeasure bool (read only)
//---------------------------------------------------------
class Rest : public ChordRest {
Q_OBJECT
Q_PROPERTY(bool isFullMeasure READ isFullMeasureRest)
// values calculated by layout:
SymId _sym;
int dotline { -1 }; // depends on rest symbol
qreal _mmWidth { 0.0 }; // width of multi measure rest
virtual QRectF drag(EditData*) override;
virtual qreal upPos() const override;
virtual qreal downPos() const override;
virtual qreal centerX() const override;
virtual void setUserOff(const QPointF& o) override;
protected:
ElementList _el; ///< symbols or images
public:
Rest(Score* s = 0);
Rest(Score*, const TDuration&);
Rest(const Rest&, bool link = false);
~Rest();
virtual Element::Type type() const override { return Element::Type::REST; }
Rest &operator=(const Rest&) = delete;
virtual Rest* clone() const override { return new Rest(*this, false); }
virtual Element* linkedClone() { return new Rest(*this, true); }
virtual Measure* measure() const override { return parent() ? (Measure*)(parent()->parent()) : 0; }
virtual qreal mag() const override;
virtual void draw(QPainter*) const override;
virtual void scanElements(void* data, void (*func)(void*, Element*), bool all=true) override;
virtual bool acceptDrop(const DropData&) const override;
virtual Element* drop(const DropData&) override;
virtual void layout() override;
virtual void reset() override;
virtual void add(Element*);
virtual void remove(Element*);
virtual void read(XmlReader&) override;
virtual void write(Xml& xml) const override;
void setMMWidth(qreal val);
qreal mmWidth() const { return _mmWidth; }
SymId getSymbol(TDuration::DurationType type, int line, int lines, int* yoffset);
int getDotline() const { return dotline; }
SymId sym() const { return _sym; }
int computeLineOffset();
bool isFullMeasureRest() const { return durationType() == TDuration::DurationType::V_MEASURE; }
bool accent();
void setAccent(bool flag);
virtual int upLine() const;
virtual int downLine() const;
virtual QPointF stemPos() const;
virtual qreal stemPosX() const;
virtual QPointF stemPosBeam() const;
ElementList el() { return _el; }
const ElementList el() const { return _el; }
bool setProperty(P_ID propertyId, const QVariant& v) override;
virtual QString accessibleInfo() override;
virtual QString screenReaderInfo() override;
};
} // namespace Ms
#endif