FontScalingEvent.h

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//  ************************************************************************************************
//
//  BornAgain: simulate and fit reflection and scattering
//
//! @file      GUI/View/PlotUtil/FontScalingEvent.h
//! @brief     Defines class FontScalingEvent
//!
//! @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_PLOTUTIL_FONTSCALINGEVENT_H
#define BORNAGAIN_GUI_VIEW_PLOTUTIL_FONTSCALINGEVENT_H
 
#include <QFont>
#include <QMap>
#include <QObject>
 
class QEvent;
class ScientificPlot;
 
//! Provides event filter for ScientificPlot. Its goal is to make font size adjustments
//! on resize events.
 
class FontScalingEvent : public QObject {
    Q_OBJECT
 
public:
    explicit FontScalingEvent(ScientificPlot* plot, QWidget* parent);
 
protected:
    bool eventFilter(QObject* obj, QEvent* event) override;
 
private:
    void backupFonts();
    void restoreFonts();
    void scaleFonts(double factor);
    void setTickLabelFont(const QFont& font);
 
    ScientificPlot* m_plot;
    QMap<QString, QFont> m_fonts;
};
 
#endif // BORNAGAIN_GUI_VIEW_PLOTUTIL_FONTSCALINGEVENT_H