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