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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/View/Device/DistributionSelector.h
//! @brief Defines struct MeanConfig and class DistributionSelector.
//!
//! @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_DEVICE_DISTRIBUTIONSELECTOR_H
#define BORNAGAIN_GUI_VIEW_DEVICE_DISTRIBUTIONSELECTOR_H
#include <QComboBox>
#include <QFormLayout>
#include <QWidget>
#include <optional>
class BeamDistributionItem;
class DSpinBox;
class DistributionItem;
class DoubleProperty;
/// Widget for selecting a distribution (combo box) and input of the corresponding values
/// with respect to the given distribution (e.g. mean and deviation for gauss distribution)
class DistributionSelector : public QWidget {
Q_OBJECT
public:
//! Which distributions should be available in the selector
enum class Category { All, Symmetric };
/// \param mean_config controls how the mean value is shown and can be input.
/// If this parameter is \c nullopt then the mean value can not be input
/// and only symmetric distributions are provided
/// \pre ! mean_config && distributions == Distributions::Symmetric
/// (i.e. the combination of all distributions without mean input is currently not
/// supported)
DistributionSelector(bool mean_config, Category distributions, QWidget* parent,
BeamDistributionItem* item, bool allow_distr);
BeamDistributionItem* item() const { return m_item; }
void refresh();
signals:
void distributionChanged();
private:
void createDistributionWidgets();
void createNumSamplesSpinBox(DistributionItem* dist);
void createSpinBox(DoubleProperty& d);
void createMeanSpinBox(DoubleProperty& d);
BeamDistributionItem* m_item;
bool m_mean_config;
Category m_distributions;
QFormLayout* m_form_layout;
QComboBox* m_distribution_combo;
};
#endif // BORNAGAIN_GUI_VIEW_DEVICE_DISTRIBUTIONSELECTOR_H
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