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| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
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| |
| #ifndef QVARIANTANIMATION_H |
| #define QVARIANTANIMATION_H |
| |
| #include <QtCore/qeasingcurve.h> |
| #include <QtCore/qabstractanimation.h> |
| #include <QtCore/qvector.h> |
| #include <QtCore/qvariant.h> |
| #include <QtCore/qpair.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| #ifndef QT_NO_ANIMATION |
| |
| class QVariantAnimationPrivate; |
| class Q_CORE_EXPORT QVariantAnimation : public QAbstractAnimation |
| { |
| Q_OBJECT |
| Q_PROPERTY(QVariant startValue READ startValue WRITE setStartValue) |
| Q_PROPERTY(QVariant endValue READ endValue WRITE setEndValue) |
| Q_PROPERTY(QVariant currentValue READ currentValue NOTIFY valueChanged) |
| Q_PROPERTY(int duration READ duration WRITE setDuration) |
| Q_PROPERTY(QEasingCurve easingCurve READ easingCurve WRITE setEasingCurve) |
| |
| public: |
| typedef QPair<qreal, QVariant> KeyValue; |
| typedef QVector<KeyValue> KeyValues; |
| |
| QVariantAnimation(QObject *parent = 0); |
| ~QVariantAnimation(); |
| |
| QVariant startValue() const; |
| void setStartValue(const QVariant &value); |
| |
| QVariant endValue() const; |
| void setEndValue(const QVariant &value); |
| |
| QVariant keyValueAt(qreal step) const; |
| void setKeyValueAt(qreal step, const QVariant &value); |
| |
| KeyValues keyValues() const; |
| void setKeyValues(const KeyValues &values); |
| |
| QVariant currentValue() const; |
| |
| int duration() const Q_DECL_OVERRIDE; |
| void setDuration(int msecs); |
| |
| QEasingCurve easingCurve() const; |
| void setEasingCurve(const QEasingCurve &easing); |
| |
| typedef QVariant (*Interpolator)(const void *from, const void *to, qreal progress); |
| |
| Q_SIGNALS: |
| void valueChanged(const QVariant &value); |
| |
| protected: |
| QVariantAnimation(QVariantAnimationPrivate &dd, QObject *parent = 0); |
| bool event(QEvent *event) Q_DECL_OVERRIDE; |
| |
| void updateCurrentTime(int) Q_DECL_OVERRIDE; |
| void updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState) Q_DECL_OVERRIDE; |
| |
| virtual void updateCurrentValue(const QVariant &value); |
| virtual QVariant interpolated(const QVariant &from, const QVariant &to, qreal progress) const; |
| |
| private: |
| template <typename T> friend void qRegisterAnimationInterpolator(QVariant (*func)(const T &, const T &, qreal)); |
| static void registerInterpolator(Interpolator func, int interpolationType); |
| |
| Q_DISABLE_COPY(QVariantAnimation) |
| Q_DECLARE_PRIVATE(QVariantAnimation) |
| }; |
| |
| template <typename T> |
| void qRegisterAnimationInterpolator(QVariant (*func)(const T &from, const T &to, qreal progress)) { |
| QVariantAnimation::registerInterpolator(reinterpret_cast<QVariantAnimation::Interpolator>(func), qMetaTypeId<T>()); |
| } |
| |
| #endif //QT_NO_ANIMATION |
| |
| QT_END_NAMESPACE |
| |
| #endif //QVARIANTANIMATION_H |