valuerange.h - mozsearch

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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