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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/View/Numeric/DSpinBox.h
//! @brief Defines class DSpinBox.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2021
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#ifndef BORNAGAIN_GUI_VIEW_NUMERIC_DSPINBOX_H
#define BORNAGAIN_GUI_VIEW_NUMERIC_DSPINBOX_H
#include <QAbstractSpinBox>
class DoubleProperty;
//! SpinBox for DoubleProperties, supporting units.
class DSpinBox : public QAbstractSpinBox {
Q_OBJECT
public:
//! Create a DSpinBox with the information found in a DoubleProperty.
//!
//! The spin box will be fully initialized (tooltip, limits, unit, current value, size
//! policy). Furthermore, the spin box will prohibit accidental changes by the mouse wheel.
//! Otherwise it would be dangerous if the spin box is on a scrollable form - unintended and
//! unnoticed changes would take place when just scrolling through the form.
explicit DSpinBox(DoubleProperty* d);
void replaceProperty(DoubleProperty* d);
//! Update the shown value to the one contained in the value descriptor.
//!
//! No signal will be emitted if the new value has changed.
void updateValue();
signals:
//! Emitted whenever the value changes.
void valueChanged(double value);
private:
double fromDisplay() const;
QAbstractSpinBox::StepEnabled stepEnabled() const override;
void setValue(double val);
void wheelEvent(QWheelEvent* event) override;
void stepBy(int steps) override;
DoubleProperty* m_property = nullptr;
};
#endif // BORNAGAIN_GUI_VIEW_NUMERIC_DSPINBOX_H
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