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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWidgets 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 QSTYLEANIMATION_P_H
#define QSTYLEANIMATION_P_H
#include <QtWidgets/private/qtwidgetsglobal_p.h>
#include "qabstractanimation.h"
#include "qdatetime.h"
#include "qimage.h"
QT_REQUIRE_CONFIG(animation);
QT_BEGIN_NAMESPACE
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience of
// qcommonstyle.cpp. This header file may change from version to version
// without notice, or even be removed.
//
// We mean it.
//
class Q_WIDGETS_EXPORT QStyleAnimation : public QAbstractAnimation
{
Q_OBJECT
public:
QStyleAnimation(QObject *target);
virtual ~QStyleAnimation();
QObject *target() const;
int duration() const override;
void setDuration(int duration);
int delay() const;
void setDelay(int delay);
QTime startTime() const;
void setStartTime(const QTime &time);
enum FrameRate {
DefaultFps,
SixtyFps,
ThirtyFps,
TwentyFps,
FifteenFps
};
FrameRate frameRate() const;
void setFrameRate(FrameRate fps);
void updateTarget();
public Q_SLOTS:
void start();
protected:
virtual bool isUpdateNeeded() const;
virtual void updateCurrentTime(int time) override;
private:
int _delay;
int _duration;
QTime _startTime;
FrameRate _fps;
int _skip;
};
class Q_WIDGETS_EXPORT QProgressStyleAnimation : public QStyleAnimation
{
Q_OBJECT
public:
QProgressStyleAnimation(int speed, QObject *target);
int animationStep() const;
int progressStep(int width) const;
int speed() const;
void setSpeed(int speed);
protected:
bool isUpdateNeeded() const override;
private:
int _speed;
mutable int _step;
};
class Q_WIDGETS_EXPORT QNumberStyleAnimation : public QStyleAnimation
{
Q_OBJECT
public:
QNumberStyleAnimation(QObject *target);
qreal startValue() const;
void setStartValue(qreal value);
qreal endValue() const;
void setEndValue(qreal value);
qreal currentValue() const;
protected:
bool isUpdateNeeded() const override;
private:
qreal _start;
qreal _end;
mutable qreal _prev;
};
class Q_WIDGETS_EXPORT QBlendStyleAnimation : public QStyleAnimation
{
Q_OBJECT
public:
enum Type { Transition, Pulse };
QBlendStyleAnimation(Type type, QObject *target);
QImage startImage() const;
void setStartImage(const QImage& image);
QImage endImage() const;
void setEndImage(const QImage& image);
QImage currentImage() const;
protected:
virtual void updateCurrentTime(int time) override;
private:
Type _type;
QImage _start;
QImage _end;
QImage _current;
};
class Q_WIDGETS_EXPORT QScrollbarStyleAnimation : public QNumberStyleAnimation
{
Q_OBJECT
public:
enum Mode { Activating, Deactivating };
QScrollbarStyleAnimation(Mode mode, QObject *target);
Mode mode() const;
bool wasActive() const;
void setActive(bool active);
private slots:
void updateCurrentTime(int time) override;
private:
Mode _mode;
bool _active;
};
QT_END_NAMESPACE
#endif // QSTYLEANIMATION_P_H
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