FontScalingEvent Class Reference

Description

Provides event filter for ScientificPlot. Its goal is to make font size adjustments on resize events.

Definition at line 28 of file FontScalingEvent.h.

Inheritance diagram for FontScalingEvent:

Collaboration diagram for FontScalingEvent:

Public Member Functions
	FontScalingEvent (ScientificPlot *plot, QWidget *parent)

Protected Member Functions
bool	eventFilter (QObject *obj, QEvent *event) override

Private Member Functions
void	backupFonts ()
	Backup all fonts. More...
void	restoreFonts ()
void	scaleFonts (double factor)
void	setTickLabelFont (const QFont &font)

Private Attributes
QMap< QString, QFont >	m_fonts
ScientificPlot *	m_plot

Constructor & Destructor Documentation

FontScalingEvent()

FontScalingEvent::FontScalingEvent ( ScientificPlot *  plot, QWidget *  parent  )

explicit

Definition at line 28 of file FontScalingEvent.cpp.

    : QObject(parent)
    , m_plot(plot)
{
}

Member Function Documentation

backupFonts()

void FontScalingEvent::backupFonts ( )

private

Backup all fonts.

Definition at line 55 of file FontScalingEvent.cpp.

{
    m_fonts[tick_font] = m_plot->customPlot()->xAxis->tickLabelFont();
}

References ScientificPlot::customPlot(), m_fonts, and m_plot.

Referenced by eventFilter().

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eventFilter()

bool FontScalingEvent::eventFilter ( QObject *  obj, QEvent *  event  )

overrideprotected

Definition at line 34 of file FontScalingEvent.cpp.

{
    if (event->type() == QEvent::Resize) {
        auto* resizeEvent = dynamic_cast<QResizeEvent*>(event);
        ASSERT(resizeEvent);
 
        if (!m_fonts.contains(tick_font))
            backupFonts();
        else {
            if (resizeEvent->size().width() < widget_size_to_switch_font)
                scaleFonts(0.8);
            else
                restoreFonts();
        }
    }
 
    return QObject::eventFilter(obj, event);
}

References backupFonts(), m_fonts, restoreFonts(), and scaleFonts().

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restoreFonts()

void FontScalingEvent::restoreFonts ( )

private

Definition at line 60 of file FontScalingEvent.cpp.

{
    QFont ff = m_fonts[tick_font];
    setTickLabelFont(ff);
}

References m_fonts, and setTickLabelFont().

Referenced by eventFilter().

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scaleFonts()

void FontScalingEvent::scaleFonts ( double  factor )

private

Definition at line 66 of file FontScalingEvent.cpp.

{
    QFont ff = m_fonts[tick_font];
    ff.setPointSizeF(ff.pointSizeF() * factor);
    setTickLabelFont(ff);
}

References m_fonts, and setTickLabelFont().

Referenced by eventFilter().

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setTickLabelFont()

void FontScalingEvent::setTickLabelFont ( const QFont &  font )

private

Definition at line 73 of file FontScalingEvent.cpp.

{
    m_plot->customPlot()->xAxis->setTickLabelFont(font);
    m_plot->customPlot()->yAxis->setTickLabelFont(font);
    if (m_plot->plotType() != ScientificPlot::PLOT_TYPE::Plot2D)
        return;
 
    auto* color_map = dynamic_cast<ColorMap*>(m_plot);
    color_map->colorScale()->axis()->setTickLabelFont(font);
}

References ColorMap::colorScale(), ScientificPlot::customPlot(), m_plot, ScientificPlot::Plot2D, and ScientificPlot::plotType().

Referenced by restoreFonts(), and scaleFonts().

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Member Data Documentation

m_fonts

QMap<QString, QFont> FontScalingEvent::m_fonts

private

Definition at line 44 of file FontScalingEvent.h.

Referenced by backupFonts(), eventFilter(), restoreFonts(), and scaleFonts().

m_plot

ScientificPlot* FontScalingEvent::m_plot

private

Definition at line 43 of file FontScalingEvent.h.

Referenced by backupFonts(), and setTickLabelFont().

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The documentation for this class was generated from the following files:

• /home/build/builds/o5h8MZZm/0/mlz/bornagain/GUI/View/PlotUtil/FontScalingEvent.h
• /home/build/builds/o5h8MZZm/0/mlz/bornagain/GUI/View/PlotUtil/FontScalingEvent.cpp