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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 QGRAPHANIMATION_H
#define QGRAPHANIMATION_H
#include <QtCore/QVariantAnimation>
#include <QtCore/qloggingcategory.h>
QT_BEGIN_NAMESPACE
Q_DECLARE_LOGGING_CATEGORY(lcAnimation)
class QGraphAnimation : public QVariantAnimation
{
Q_OBJECT
Q_CLASSINFO("RegisterEnumClassesUnscoped", "false")
Q_PROPERTY(
AnimationState animating READ animating WRITE setAnimating NOTIFY animatingChanged FINAL)
public:
enum class AnimationState {
Playing,
Stopped,
};
Q_ENUM(AnimationState);
enum class GraphAnimationType { GraphPoint, ControlPoint };
Q_ENUM(GraphAnimationType);
explicit QGraphAnimation(QObject *parent = nullptr);
~QGraphAnimation() override;
virtual GraphAnimationType animationType() = 0;
virtual void setAnimatingValue(const QVariant &start, const QVariant &end) = 0;
virtual void animate() = 0;
virtual void end() = 0;
QVariant interpolated(const QVariant &start, const QVariant &end, qreal progress) const override
= 0;
AnimationState animating() const;
void setAnimating(AnimationState newAnimating);
public Q_SLOTS:
virtual void valueUpdated(const QVariant &value) = 0;
signals:
void animatingChanged();
private:
AnimationState m_animating = AnimationState::Stopped;
};
QT_END_NAMESPACE
#endif // QGRAPHANIMATION_H
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