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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef VALUERANGE_H
#define VALUERANGE_H
#include <QtCore/qobject.h>
#include <QtQml/qqml.h>
QT_BEGIN_NAMESPACE
class ValueRange : public QObject, public QQmlParserStatus
{
Q_OBJECT
Q_PROPERTY(qreal value READ value WRITE setValue NOTIFY valueChanged FINAL)
Q_PROPERTY(qreal minimumValue READ minimumValue WRITE setMinimumValue NOTIFY minimumValueChanged FINAL)
Q_PROPERTY(qreal maximumValue READ maximumValue WRITE setMaximumValue NOTIFY maximumValueChanged FINAL)
Q_PROPERTY(qreal stepSize READ stepSize WRITE setStepSize NOTIFY stepSizeChanged FINAL)
Q_PROPERTY(qreal position READ position NOTIFY positionChanged FINAL)
Q_PROPERTY(qreal visualPosition READ visualPosition NOTIFY visualPositionChanged FINAL)
Q_PROPERTY(bool inverted READ inverted WRITE setInverted NOTIFY invertedChanged FINAL)
QML_ELEMENT
Q_INTERFACES(QQmlParserStatus)
public:
ValueRange(QObject *parent = 0);
virtual ~ValueRange() = default;
qreal value() const;
void setValue(qreal value);
qreal minimumValue() const;
void setMinimumValue(qreal min);
qreal maximumValue() const;
void setMaximumValue(qreal max);
void setStepSize(qreal stepSize);
qreal stepSize() const;
qreal position() const;
qreal visualPosition() const;
void setInverted(bool inverted);
bool inverted() const;
void classBegin() override;
void componentComplete() override;
Q_SIGNALS:
void valueChanged();
void positionChanged();
void visualPositionChanged();
void stepSizeChanged();
void invertedChanged();
void minimumValueChanged();
void maximumValueChanged();
// Emitted when things that affect the range (e.g. min, max, etc.) are changed.
void constraintsChanged();
private:
Q_DISABLE_COPY(ValueRange)
void setPosition(qreal pos);
void updatePosition();
qreal mMinimumValue = 0;
qreal mMaximumValue = 100;
qreal mStepSize = 10;
qreal mValue = 0;
qreal mPosition = 0;
qreal mPosAtMin = 0;
qreal mPosAtMax = 0;
// Set in constructor due to warning about C++20 flag being required.
uint mInverted : 1;
bool mIsComplete = false;
};
QT_END_NAMESPACE
#endif // VALUERANGE_H
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