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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
// W A R N I N G
// -------------
//
// This file is not part of the QtGraphs 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.
#ifndef QGRAPHTRANSITION_H
#define QGRAPHTRANSITION_H
#include <QObject>
#include <QParallelAnimationGroup>
#include <QQmlEngine>
#include <private/qgraphanimation_p.h>
QT_BEGIN_NAMESPACE
class QGraphTransition : public QObject, public QQmlParserStatus
{
Q_OBJECT
Q_INTERFACES(QQmlParserStatus)
Q_PROPERTY(QQmlListProperty<QObject> animations READ animations CONSTANT)
Q_CLASSINFO("DefaultProperty", "animations")
QML_NAMED_ELEMENT(GraphTransition)
public:
enum class TransitionType {
None,
PointAdded,
PointReplaced,
PointRemoved,
};
Q_ENUM(TransitionType);
QGraphTransition(QObject *parent = nullptr);
~QGraphTransition() override;
QQmlListProperty<QObject> animations();
void onPointChanged(TransitionType type, int index, QPointF point);
void initialize();
void stop();
bool initialized();
bool contains(QGraphAnimation::GraphAnimationType type);
protected:
void classBegin() override;
void componentComplete() override;
private:
QList<QGraphAnimation *> m_animations;
QParallelAnimationGroup m_animationGroup;
bool m_initialized;
static void append(QQmlListProperty<QObject> *, QObject *);
static void clear(QQmlListProperty<QObject> *);
};
QT_END_NAMESPACE
#endif // QGRAPHTRANSITION_H
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