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//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2010-2011 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 __STEM_H__
#define __STEM_H__
#include "element.h"
namespace Ms {
class Chord;
//---------------------------------------------------------
// @@ Stem
/// Graphic representation of a note stem.
//---------------------------------------------------------
class Stem final : public Element {
QLineF line; // p1 is attached to notehead
qreal _lineWidth;
qreal _userLen;
qreal _len { 0.0 }; // always positive
public:
Stem(Score* = 0);
Stem &operator=(const Stem&) = delete;
virtual Stem* clone() const override { return new Stem(*this); }
virtual ElementType type() const override { return ElementType::STEM; }
virtual void draw(QPainter*) const override;
virtual bool isEditable() const override { return true; }
virtual void layout() override;
virtual void spatiumChanged(qreal /*oldValue*/, qreal /*newValue*/) override;
virtual void startEdit(EditData&) override;
virtual void editDrag(EditData&) override;
virtual void updateGrips(EditData&) const override;
virtual void write(XmlWriter& xml) const override;
virtual void read(XmlReader& e) override;
virtual bool readProperties(XmlReader&) override;
virtual void reset() override;
virtual bool acceptDrop(EditData&) const override;
virtual Element* drop(EditData&) override;
virtual QVariant getProperty(Pid propertyId) const override;
virtual bool setProperty(Pid propertyId, const QVariant&) override;
virtual QVariant propertyDefault(Pid id) const override;
virtual int vStaffIdx() const override;
Chord* chord() const { return toChord(parent()); }
bool up() const;
qreal userLen() const { return _userLen; }
void setUserLen(qreal l) { _userLen = l; }
qreal lineWidth() const { return _lineWidth; }
void setLineWidth(qreal w) { _lineWidth = w; }
void setLen(qreal l);
qreal len() const { return _len; }
QPointF hookPos() const;
qreal stemLen() const;
QPointF p2() const { return line.p2(); }
};
} // namespace Ms
#endif
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