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39 | |
40 | #ifndef QVARIANTANIMATION_H |
41 | #define QVARIANTANIMATION_H |
42 | |
43 | #include <QtCore/qeasingcurve.h> |
44 | #include <QtCore/qabstractanimation.h> |
45 | #include <QtCore/qvector.h> |
46 | #include <QtCore/qvariant.h> |
47 | #include <QtCore/qpair.h> |
48 | |
49 | QT_REQUIRE_CONFIG(animation); |
50 | |
51 | QT_BEGIN_NAMESPACE |
52 | |
53 | class QVariantAnimationPrivate; |
54 | class Q_CORE_EXPORT QVariantAnimation : public QAbstractAnimation |
55 | { |
56 | Q_OBJECT |
57 | Q_PROPERTY(QVariant startValue READ startValue WRITE setStartValue) |
58 | Q_PROPERTY(QVariant endValue READ endValue WRITE setEndValue) |
59 | Q_PROPERTY(QVariant currentValue READ currentValue NOTIFY valueChanged) |
60 | Q_PROPERTY(int duration READ duration WRITE setDuration) |
61 | Q_PROPERTY(QEasingCurve easingCurve READ easingCurve WRITE setEasingCurve) |
62 | |
63 | public: |
64 | typedef QPair<qreal, QVariant> KeyValue; |
65 | typedef QVector<KeyValue> KeyValues; |
66 | |
67 | QVariantAnimation(QObject *parent = nullptr); |
68 | ~QVariantAnimation(); |
69 | |
70 | QVariant startValue() const; |
71 | void setStartValue(const QVariant &value); |
72 | |
73 | QVariant endValue() const; |
74 | void setEndValue(const QVariant &value); |
75 | |
76 | QVariant keyValueAt(qreal step) const; |
77 | void setKeyValueAt(qreal step, const QVariant &value); |
78 | |
79 | KeyValues keyValues() const; |
80 | void setKeyValues(const KeyValues &values); |
81 | |
82 | QVariant currentValue() const; |
83 | |
84 | int duration() const override; |
85 | void setDuration(int msecs); |
86 | |
87 | QEasingCurve easingCurve() const; |
88 | void setEasingCurve(const QEasingCurve &easing); |
89 | |
90 | typedef QVariant (*Interpolator)(const void *from, const void *to, qreal progress); |
91 | |
92 | Q_SIGNALS: |
93 | void valueChanged(const QVariant &value); |
94 | |
95 | protected: |
96 | QVariantAnimation(QVariantAnimationPrivate &dd, QObject *parent = nullptr); |
97 | bool event(QEvent *event) override; |
98 | |
99 | void updateCurrentTime(int) override; |
100 | void updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState) override; |
101 | |
102 | virtual void updateCurrentValue(const QVariant &value); |
103 | virtual QVariant interpolated(const QVariant &from, const QVariant &to, qreal progress) const; |
104 | |
105 | private: |
106 | template <typename T> friend void qRegisterAnimationInterpolator(QVariant (*func)(const T &, const T &, qreal)); |
107 | static void registerInterpolator(Interpolator func, int interpolationType); |
108 | |
109 | Q_DISABLE_COPY(QVariantAnimation) |
110 | Q_DECLARE_PRIVATE(QVariantAnimation) |
111 | }; |
112 | |
113 | template <typename T> |
114 | void qRegisterAnimationInterpolator(QVariant (*func)(const T &from, const T &to, qreal progress)) { |
115 | QVariantAnimation::registerInterpolator(func: reinterpret_cast<QVariantAnimation::Interpolator>(reinterpret_cast<void(*)()>(func)), interpolationType: qMetaTypeId<T>()); |
116 | } |
117 | |
118 | QT_END_NAMESPACE |
119 | |
120 | #endif //QVARIANTANIMATION_H |
121 | |