labeledfslider.h

/*
 * SPDX-FileCopyrightText: 2007-2011 Kare Sars <kare.sars@iki .fi>
 *
 * SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
 */
 
#ifndef LABELED_FSLIDER_H
#define LABELED_FSLIDER_H
 
#include "ksaneoptionwidget.h"
 
// Qt includes
#include <QSlider>
#include <QDoubleSpinBox>
 
/**
 *@author Kåre Särs
 */
 
namespace KSaneIface
{
 
/**
 * A combination of a label a slider and a spinbox.
 * The slider is connected to the spinbox so that they have the same value.
 */
class LabeledFSlider : public KSaneOptionWidget
{
    Q_OBJECT
 
public:
 
    /**
     * Create the slider.
     *
     * \param parent parent widget
     * \param text is the text describing the slider value. If the text
     *        contains a '&', a buddy for the slider will be created.
     * \param min minimum slider value
     * \param max maximum slider value
     * \param step is the step between values.
     */
    LabeledFSlider(QWidget *parent, const QString &text,
                   double min, double max, double step);
 
    LabeledFSlider(QWidget *parent, KSaneCore::Option *option);
    ~LabeledFSlider() override;
 
    /**
     * \return the slider value.
     */
    double value() const;
    double step() const;
 
public Q_SLOTS:
 
    /** Set the slider/spinbox value */
    void setValue(const QVariant &value);
    void setRange(double min, double max);
    void setStep(double step);
    /** Set the unit */
    void setSuffix(const QString &text);
 
private Q_SLOTS:
 
    /**
     * Sync the values and emit valueChanged()
     */
    // FIXME this has to be changes later
    void syncValues(int);
    void syncValues(double);
    void fixValue();
 
Q_SIGNALS:
 
    /**
     * Emit the slider value changes
     */
    void valueChanged(const QVariant &val);
 
private:
    void initFSlider(double minValue, double maxValue, double stepValue);
 
    QSlider        *m_slider;
    QDoubleSpinBox *m_spinb;
    double          m_fstep;
    int             m_istep;
};
 
}  // NameSpace KSaneIface
 
#endif // LABELED_SFSLIDER_H