MuseScore/src/engraving/libmscore/stem.h

98 lines
3 KiB
C++

/*
* SPDX-License-Identifier: GPL-3.0-only
* MuseScore-CLA-applies
*
* MuseScore
* Music Composition & Notation
*
* Copyright (C) 2021 MuseScore BVBA and others
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef __STEM_H__
#define __STEM_H__
#include "engravingitem.h"
namespace Ms {
class Chord;
class Stem final : public EngravingItem
{
public:
Stem& operator=(const Stem&) = delete;
Stem* clone() const override { return new Stem(*this); }
void layout() override;
void draw(mu::draw::Painter*) const override;
void spatiumChanged(double oldValue, double newValue) override;
EngravingItem* elementBase() const override;
bool isEditable() const override { return true; }
void startEdit(EditData&) override;
void editDrag(EditData&) override;
bool acceptDrop(EditData&) const override;
EngravingItem* drop(EditData&) override;
void write(XmlWriter& xml) const override;
void read(XmlReader& e) override;
bool readProperties(XmlReader&) override;
void reset() override;
mu::engraving::PropertyValue getProperty(Pid propertyId) const override;
bool setProperty(Pid propertyId, const mu::engraving::PropertyValue&) override;
mu::engraving::PropertyValue propertyDefault(Pid id) const override;
int vStaffIdx() const override;
Chord* chord() const { return toChord(parent()); }
bool up() const;
double baseLength() const { return m_baseLength; }
void setBaseLength(double baseLength);
double userLength() const { return m_userLength; }
void setUserLength(double userLength) { m_userLength = userLength; }
double lineWidth() const { return m_lineWidth; }
double lineWidthMag() const { return m_lineWidth * mag(); }
void setLineWidth(double lineWidth) { m_lineWidth = lineWidth; }
mu::PointF p2() const { return m_line.p2(); }
mu::PointF flagPosition() const;
double length() const { return m_baseLength + m_userLength; }
EditBehavior normalModeEditBehavior() const override { return EditBehavior::Edit; }
int gripsCount() const override { return 1; }
Grip initialEditModeGrip() const override { return Grip::START; }
Grip defaultGrip() const override { return Grip::START; }
std::vector<mu::PointF> gripsPositions(const EditData&) const override;
private:
friend class mu::engraving::Factory;
Stem(Chord* parent = 0);
mu::LineF m_line;
double m_baseLength = 0.0;
double m_userLength = 0.0;
double m_lineWidth = 0.0;
};
}
#endif