| 1 | // Copyright (C) 2024 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
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| 3 | |
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| 4 | // W A R N I N G |
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| 5 | // ------------- |
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| 6 | // |
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| 7 | // This file is not part of the QtGraphs API. It exists purely as an |
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| 8 | // implementation detail. This header file may change from version to |
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| 9 | // version without notice, or even be removed. |
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| 10 | // |
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| 11 | // We mean it. |
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| 12 | |
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| 13 | #ifndef QGRAPHANIMATION_H |
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| 14 | #define QGRAPHANIMATION_H |
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| 15 | |
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| 16 | #include <QtCore/QVariantAnimation> |
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| 17 | #include <QtCore/qloggingcategory.h> |
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| 18 | |
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| 19 | QT_BEGIN_NAMESPACE |
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| 20 | |
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| 21 | Q_DECLARE_LOGGING_CATEGORY(lcAnimation) |
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| 22 | |
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| 23 | class QGraphAnimation : public QVariantAnimation |
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| 24 | { |
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| 25 | Q_OBJECT |
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| 26 | Q_CLASSINFO("RegisterEnumClassesUnscoped" , "false" ) |
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| 27 | |
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| 28 | Q_PROPERTY( |
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| 29 | AnimationState animating READ animating WRITE setAnimating NOTIFY animatingChanged FINAL) |
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| 30 | |
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| 31 | public: |
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| 32 | enum class AnimationState { |
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| 33 | Playing, |
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| 34 | Stopped, |
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| 35 | }; |
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| 36 | Q_ENUM(AnimationState); |
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| 37 | |
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| 38 | enum class GraphAnimationType { GraphPoint, ControlPoint }; |
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| 39 | Q_ENUM(GraphAnimationType); |
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| 40 | |
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| 41 | explicit QGraphAnimation(QObject *parent = nullptr); |
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| 42 | ~QGraphAnimation() override; |
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| 43 | |
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| 44 | virtual GraphAnimationType animationType() = 0; |
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| 45 | virtual void setAnimatingValue(const QVariant &start, const QVariant &end) = 0; |
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| 46 | virtual void animate() = 0; |
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| 47 | virtual void end() = 0; |
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| 48 | QVariant interpolated(const QVariant &start, const QVariant &end, qreal progress) const override |
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| 49 | = 0; |
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| 50 | |
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| 51 | AnimationState animating() const; |
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| 52 | void setAnimating(AnimationState newAnimating); |
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| 53 | |
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| 54 | public Q_SLOTS: |
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| 55 | virtual void valueUpdated(const QVariant &value) = 0; |
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| 56 | |
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| 57 | signals: |
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| 58 | void animatingChanged(); |
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| 59 | |
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| 60 | private: |
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| 61 | AnimationState m_animating = AnimationState::Stopped; |
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| 62 | }; |
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| 63 | |
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| 64 | QT_END_NAMESPACE |
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| 65 | |
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| 66 | #endif // QGRAPHANIMATION_H |
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| 67 | |
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