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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/View/ParEdit/ParSpinBox.h
//! @brief Defines class ParSpinBox.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#ifndef BORNAGAIN_GUI_VIEW_PAREDIT_PARSPINBOX_H
#define BORNAGAIN_GUI_VIEW_PAREDIT_PARSPINBOX_H
#include <QAbstractSpinBox>
//! This class has similar scope as GUI/View/Numeric/DSpinBox.
//! Ideally, we shall merge both classes (#869).
//! For the time being, however, we keep ParSpinBox for exclusive use in parameter views.
class ParSpinBox : public QAbstractSpinBox {
Q_OBJECT
Q_PROPERTY(double value MEMBER m_value READ value WRITE setValue NOTIFY valueChanged USER true)
public:
ParSpinBox(QWidget* parent = nullptr, bool easyScrollable = false);
~ParSpinBox() override;
double value() const { return m_value; }
void setValue(double val);
double singleStep() const { return m_step; }
void setSingleStep(double step);
void setMinimum(double min);
void setMaximum(double max);
void setDecimals(int);
void stepBy(int steps) override;
QValidator::State validate(QString&, int&) const override { return QValidator::Acceptable; }
void fixup(QString&) const override {}
static QString toString(double val, int decimal_points);
static double toDouble(QString text, const QDoubleValidator& validator, double min, double max,
double default_value);
static double round(double val, int decimals);
signals:
void valueChanged(double value);
private:
QAbstractSpinBox::StepEnabled stepEnabled() const override;
void wheelEvent(QWheelEvent* event) override;
void updateValue();
void updateText();
bool inRange(double val) const;
double m_value, m_min, m_max;
double m_step;
int m_decimals;
bool m_easy_scrollable;
QDoubleValidator m_validator;
};
#endif // BORNAGAIN_GUI_VIEW_PAREDIT_PARSPINBOX_H
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