DoubleLineEdit.h

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//  ************************************************************************************************
//
//  BornAgain: simulate and fit reflection and scattering
//
//! @file      GUI/View/Common/DoubleLineEdit.h
//! @brief     Defines class DoubleLineEdit
//!
//! @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_COMMON_DOUBLELINEEDIT_H
#define BORNAGAIN_GUI_VIEW_COMMON_DOUBLELINEEDIT_H
 
#include "GUI/Model/Descriptor/DoubleDescriptor.h"
#include <QLineEdit>
 
class QDoubleValidator;
 
//! LineEdit to edit values in a scientific notation, operating on a DoubleDescriptor.
//!
//! In the future it can be enhanced to support units. At the moment, no DoubleDescriptor with units
//! is used with a DoubleLineEdit, therefore the handling of units is not implemented yet. Only the
//! naming is prepared already (also to have a naming alike to DoubleSpinBox).
class DoubleLineEdit : public QLineEdit {
    Q_OBJECT
public:
    DoubleLineEdit(QWidget* parent, const DoubleDescriptor& d);
 
    //! Set the base value (unit is the one of the contained descriptor).
    void setBaseValue(double baseValue);
 
    //! The descriptor on which this line edit operates.
    const DoubleDescriptor& valueDescriptor() const;
 
signals:
    //! Emitted whenever the value changes.
    //!
    //! newBaseValue is in the unit of the valueDescriptor.
    void baseValueChanged(double newBaseValue);
 
private slots:
    void onEditingFinished();
 
private:
    QDoubleValidator* m_validator;
    DoubleDescriptor m_valueDescriptor;
};
 
 
#endif // BORNAGAIN_GUI_VIEW_COMMON_DOUBLELINEEDIT_H