RunFitControlWidget.h

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//  ************************************************************************************************
//
//  BornAgain: simulate and fit reflection and scattering
//
//! @file      GUI/View/Fit/RunFitControlWidget.h
//! @brief     Defines class RunFitControlWidget
//!
//! @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_FIT_RUNFITCONTROLWIDGET_H
#define BORNAGAIN_GUI_VIEW_FIT_RUNFITCONTROLWIDGET_H
 
#include "GUI/View/Common/SessionItemWidget.h"
#include <QWidget>
 
class JobItem;
class QPushButton;
class QSlider;
class CautionSign;
class QLabel;
class FitSuiteItem;
 
//! The RunFitControlWidget contains elements to start/stop fitting and to provide minimal
//! diagnostic. Part of FitSuiteWidget.
 
class RunFitControlWidget : public SessionItemWidget {
    Q_OBJECT
public:
    RunFitControlWidget(QWidget* parent = nullptr);
    ~RunFitControlWidget() override;
 
signals:
    void startFittingPushed();
    void stopFittingPushed();
 
public slots:
    void onFittingError(const QString& what);
 
private slots:
    void onSliderValueChanged(int value);
    void onFitSuitePropertyChange(const QString& name);
 
protected:
    void subscribeToItem() override;
    void unsubscribeFromItem() override;
 
private:
    int sliderUpdateInterval();
    int sliderValueToUpdateInterval(int value);
    void updateControlElements();
    JobItem* jobItem();
    FitSuiteItem* fitSuiteItem();
    bool isValidJobItem();
    void unsubscribeFromChildren();
    void updateIterationsCountLabel();
 
    QPushButton* m_startButton;
    QPushButton* m_stopButton;
    QSlider* m_intervalSlider;
    QLabel* m_updateIntervalLabel;
    QLabel* m_iterationsCountLabel;
    CautionSign* m_cautionSign;
};
 
#endif // BORNAGAIN_GUI_VIEW_FIT_RUNFITCONTROLWIDGET_H