DistributionWidget.h

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//  ************************************************************************************************
//
//  BornAgain: simulate and fit reflection and scattering
//
//! @file      GUI/coregui/Views/InfoWidgets/DistributionWidget.h
//! @brief     Defines class DistributionWidget
//!
//! @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_COREGUI_VIEWS_INFOWIDGETS_DISTRIBUTIONWIDGET_H
#define BORNAGAIN_GUI_COREGUI_VIEWS_INFOWIDGETS_DISTRIBUTIONWIDGET_H
 
#include <QWidget>
#include <qcustomplot.h>
 
class SessionItem;
class QLabel;
class QCustomPlot;
class DistributionItem;
class QAction;
class RealLimits;
class WarningSign;
 
//! The DistributionWidget class plots 1d functions corresponding to domain's Distribution1D
class DistributionWidget : public QWidget {
    Q_OBJECT
 
public:
    DistributionWidget(QWidget* parent = 0);
    ~DistributionWidget();
 
    void setItem(DistributionItem* item);
    void plotItem();
    void setXAxisName(const QString& xAxisName);
 
public slots:
    void onMouseMove(QMouseEvent* event);
    void onMousePress(QMouseEvent* event);
 
private slots:
    void resetView();
 
private:
    void init_plot();
    void plot_distributions();
    void plot_single_value();
    void plot_multiple_values();
    void setPlotRange(const QPair<double, double>& xRange, const QPair<double, double>& yRange);
    void plotBars(const QVector<double>& xbars, const QVector<double>& ybars);
    void plotFunction(const QVector<double>& xFunc, const QVector<double>& ybars);
    void plotVerticalLine(double xMin, double yMin, double xMax, double yMax,
                          const QColor& color = Qt::blue);
    void plotLimits(const RealLimits& limits);
    QPoint positionForWarningSign();
 
    QCustomPlot* m_plot;
    DistributionItem* m_item;
    QLabel* m_label;
    QAction* m_resetAction;
    QCPRange m_xRange, m_yRange;
    WarningSign* m_warningSign;
};
 
#endif // BORNAGAIN_GUI_COREGUI_VIEWS_INFOWIDGETS_DISTRIBUTIONWIDGET_H