SliderProxyStyle

SliderProxyStyle.h

#pragma once

#include <QProxyStyle>

/*!
 * \brief The SliderProxyStyle class
 * This proxy style adds "mouse direct jump" to QSlider, i.e.
 * QSlider with this style receives the ability to have it's value set
 * by clicking on the desired position.
 * Source: https://stackoverflow.com/questions/11132597/qslider-mouse-direct-jump
 *
 * Usage: mySlider.setStyle(new SliderProxyStyle(mySlider->style()));
 */
class SliderProxyStyle : public QProxyStyle
{
public:
    using QProxyStyle::QProxyStyle;

    int styleHint(QStyle::StyleHint hint, const QStyleOption* option = nullptr
            , const QWidget* widget = nullptr, QStyleHintReturn* returnData = nullptr) const
    {
        if (hint == QStyle::SH_Slider_AbsoluteSetButtons)
            return (Qt::LeftButton | Qt::MidButton | Qt::RightButton);
        return QProxyStyle::styleHint(hint, option, widget, returnData);
    }
};