qquickage_p.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef KILLAFFECTOR_H
#define KILLAFFECTOR_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qquickparticleaffector_p.h"
 
QT_BEGIN_NAMESPACE
 
class Q_QUICKPARTICLES_PRIVATE_EXPORT QQuickAgeAffector : public QQuickParticleAffector
{
    Q_OBJECT
    Q_PROPERTY(int lifeLeft READ lifeLeft WRITE setLifeLeft NOTIFY lifeLeftChanged FINAL)
    Q_PROPERTY(bool advancePosition READ advancePosition WRITE setAdvancePosition NOTIFY advancePositionChanged FINAL)
    QML_NAMED_ELEMENT(Age)
    QML_ADDED_IN_VERSION(2, 0)
 
public:
    explicit QQuickAgeAffector(QQuickItem *parent = nullptr);
 
    int lifeLeft() const
    {
        return m_lifeLeft;
    }
 
    bool advancePosition() const
    {
        return m_advancePosition;
    }
 
protected:
    bool affectParticle(QQuickParticleData *d, qreal dt) override;
 
Q_SIGNALS:
    void lifeLeftChanged(int arg);
    void advancePositionChanged(bool arg);
 
public Q_SLOTS:
    void setLifeLeft(int arg)
    {
        if (m_lifeLeft != arg) {
            m_lifeLeft = arg;
            Q_EMIT lifeLeftChanged(arg);
        }
    }
 
    void setAdvancePosition(bool arg)
    {
        if (m_advancePosition != arg) {
            m_advancePosition = arg;
            Q_EMIT advancePositionChanged(arg);
        }
    }
 
private:
    int m_lifeLeft;
    bool m_advancePosition;
};
 
QT_END_NAMESPACE
#endif // KILLAFFECTOR_H