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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/View/FitControl/GUIFitObserver.h
//! @brief Implements class GUIFitObserver.
//!
//! @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_FITCONTROL_GUIFITOBSERVER_H
#define BORNAGAIN_GUI_VIEW_FITCONTROL_GUIFITOBSERVER_H
#include "GUI/View/FitMessage/FitProgressInfo.h"
#include <QObject>
#include <condition_variable>
#include <mutex>
class Data2DItem;
class Datafield;
class FitObjective;
//! Serves as observer for FitObjective and saves fit iteration data for later display
//! in GUI widgets.
class GUIFitObserver : public QObject {
Q_OBJECT
public:
GUIFitObserver(QObject* parent = nullptr);
~GUIFitObserver() override;
void update(const FitObjective* subject);
void finishedPlotting();
FitProgressInfo progressInfo();
public slots:
void setInterval(int val);
signals:
void updateReady();
private:
bool is_suitable_iteration(const FitObjective* fitSuite) const;
bool is_obligatory_iteration(const FitObjective* fitSuite) const;
bool m_block_update_plots;
std::mutex m_update_plot_mutex;
std::condition_variable m_on_finish_notifier;
int m_update_interval;
FitProgressInfo m_iteration_info;
};
#endif // BORNAGAIN_GUI_VIEW_FITCONTROL_GUIFITOBSERVER_H
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