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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
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**
****************************************************************************/
#ifndef QQUICKTIMELINE_H
#define QQUICKTIMELINE_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/QObject>
#include <private/qtquickglobal_p.h>
#include "private/qabstractanimationjob_p.h"
QT_BEGIN_NAMESPACE
class QEasingCurve;
class QQuickTimeLineValue;
class QQuickTimeLineCallback;
struct QQuickTimeLinePrivate;
class QQuickTimeLineObject;
class Q_QUICK_PRIVATE_EXPORT QQuickTimeLine : public QObject, QAbstractAnimationJob
{
Q_OBJECT
public:
QQuickTimeLine(QObject *parent = nullptr);
~QQuickTimeLine();
enum SyncMode { LocalSync, GlobalSync };
SyncMode syncMode() const;
void setSyncMode(SyncMode);
void pause(QQuickTimeLineObject &, int);
void callback(const QQuickTimeLineCallback &);
void set(QQuickTimeLineValue &, qreal);
int accel(QQuickTimeLineValue &, qreal velocity, qreal accel);
int accel(QQuickTimeLineValue &, qreal velocity, qreal accel, qreal maxDistance);
int accelDistance(QQuickTimeLineValue &, qreal velocity, qreal distance);
void move(QQuickTimeLineValue &, qreal destination, int time = 500);
void move(QQuickTimeLineValue &, qreal destination, const QEasingCurve &, int time = 500);
void moveBy(QQuickTimeLineValue &, qreal change, int time = 500);
void moveBy(QQuickTimeLineValue &, qreal change, const QEasingCurve &, int time = 500);
void sync();
void setSyncPoint(int);
int syncPoint() const;
void sync(QQuickTimeLineValue &);
void sync(QQuickTimeLineValue &, QQuickTimeLineValue &);
void reset(QQuickTimeLineValue &);
void complete();
void clear();
bool isActive() const;
int time() const;
int duration() const override;
Q_SIGNALS:
void updated();
void completed();
protected:
void updateCurrentTime(int) override;
void debugAnimation(QDebug d) const override;
private:
void remove(QQuickTimeLineObject *);
friend class QQuickTimeLineObject;
friend struct QQuickTimeLinePrivate;
QQuickTimeLinePrivate *d;
};
class Q_AUTOTEST_EXPORT QQuickTimeLineObject
{
public:
QQuickTimeLineObject();
virtual ~QQuickTimeLineObject();
protected:
friend class QQuickTimeLine;
friend struct QQuickTimeLinePrivate;
QQuickTimeLine *_t;
};
class Q_AUTOTEST_EXPORT QQuickTimeLineValue : public QQuickTimeLineObject
{
public:
QQuickTimeLineValue(qreal v = 0.) : _v(v) {}
virtual qreal value() const { return _v; }
virtual void setValue(qreal v) { _v = v; }
QQuickTimeLine *timeLine() const { return _t; }
operator qreal() const { return _v; }
QQuickTimeLineValue &operator=(qreal v) { setValue(v); return *this; }
private:
friend class QQuickTimeLine;
friend struct QQuickTimeLinePrivate;
qreal _v;
};
class Q_AUTOTEST_EXPORT QQuickTimeLineCallback
{
public:
typedef void (*Callback)(void *);
QQuickTimeLineCallback();
QQuickTimeLineCallback(QQuickTimeLineObject *b, Callback, void * = nullptr);
QQuickTimeLineCallback(const QQuickTimeLineCallback &o);
QQuickTimeLineCallback &operator=(const QQuickTimeLineCallback &o);
QQuickTimeLineObject *callbackObject() const;
private:
friend struct QQuickTimeLinePrivate;
Callback d0;
void *d1;
QQuickTimeLineObject *d2;
};
template<class T>
class QQuickTimeLineValueProxy : public QQuickTimeLineValue
{
public:
QQuickTimeLineValueProxy(T *cls, void (T::*func)(qreal), qreal v = 0.)
: QQuickTimeLineValue(v), _class(cls), _setFunctionReal(func), _setFunctionInt(nullptr)
{
Q_ASSERT(_class);
}
QQuickTimeLineValueProxy(T *cls, void (T::*func)(int), qreal v = 0.)
: QQuickTimeLineValue(v), _class(cls), _setFunctionReal(0), _setFunctionInt(func)
{
Q_ASSERT(_class);
}
void setValue(qreal v) override
{
QQuickTimeLineValue::setValue(v);
if (_setFunctionReal) (_class->*_setFunctionReal)(v);
else if (_setFunctionInt) (_class->*_setFunctionInt)((int)v);
}
private:
T *_class;
void (T::*_setFunctionReal)(qreal);
void (T::*_setFunctionInt)(int);
};
QT_END_NAMESPACE
#endif
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