qdial.h

Go to the documentation of this file.

// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
 
#ifndef QDIAL_H
#define QDIAL_H
 
#include <QtWidgets/qtwidgetsglobal.h>
 
#include <QtWidgets/qabstractslider.h>
 
QT_REQUIRE_CONFIG(dial);
 
QT_BEGIN_NAMESPACE
 
class QDialPrivate;
class QStyleOptionSlider;
 
class Q_WIDGETS_EXPORT QDial: public QAbstractSlider
{
    Q_OBJECT
 
    Q_PROPERTY(bool wrapping READ wrapping WRITE setWrapping)
    Q_PROPERTY(int notchSize READ notchSize)
    Q_PROPERTY(qreal notchTarget READ notchTarget WRITE setNotchTarget)
    Q_PROPERTY(bool notchesVisible READ notchesVisible WRITE setNotchesVisible)
public:
    explicit QDial(QWidget *parent = nullptr);
 
    ~QDial();
 
    bool wrapping() const;
 
    int notchSize() const;
 
    void setNotchTarget(double target);
    qreal notchTarget() const;
    bool notchesVisible() const;
 
    QSize sizeHint() const override;
    QSize minimumSizeHint() const override;
 
public Q_SLOTS:
    void setNotchesVisible(bool visible);
    void setWrapping(bool on);
 
protected:
    bool event(QEvent *e) override;
    void resizeEvent(QResizeEvent *re) override;
    void paintEvent(QPaintEvent *pe) override;
 
    void mousePressEvent(QMouseEvent *me) override;
    void mouseReleaseEvent(QMouseEvent *me) override;
    void mouseMoveEvent(QMouseEvent *me) override;
 
    void sliderChange(SliderChange change) override;
    virtual void initStyleOption(QStyleOptionSlider *option) const;
 
 
private:
    Q_DECLARE_PRIVATE(QDial)
    Q_DISABLE_COPY(QDial)
};
 
QT_END_NAMESPACE
 
#endif // QDIAL_H