ScalarWidget.h

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#pragma once
#include <QWidget>
#include <QHBoxLayout>
#include <QDoubleSpinBox>
 
class ScalarWidget : public QWidget {
    Q_OBJECT
 
public:
    explicit ScalarWidget(const QString& suffix = "", QWidget* parent = nullptr);
 
    double getValue() const;
    void setValue(double val);
 
    void setRange(double min, double max);
    void setDecimals(int decimals);
signals:
    void valueChanged(double newValue);
 
private:
    QDoubleSpinBox* spin;
};