| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtCore module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #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_REQUIRE_CONFIG(animation); |
| |
| QT_BEGIN_NAMESPACE |
| |
| 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 = nullptr); |
| ~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 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 = nullptr); |
| bool event(QEvent *event) override; |
| |
| void updateCurrentTime(int) override; |
| void updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState) 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>(reinterpret_cast<void(*)()>(func)), qMetaTypeId<T>()); |
| } |
| |
| QT_END_NAMESPACE |
| |
| #endif //QVARIANTANIMATION_H |