FontScalingEvent Class Reference

Provides event filter for ScientificPlot. More...

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)

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

Detailed 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.

Constructor & Destructor Documentation

FontScalingEvent()

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

explicit

Definition at line 26 of file FontScalingEvent.cpp.

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

Member Function Documentation

backupFonts()

void FontScalingEvent::backupFonts ( )

private

Backup all fonts.

Definition at line 54 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  )

protected

Definition at line 31 of file FontScalingEvent.cpp.

{
    if (event->type() == QEvent::Resize) {
        QResizeEvent* resizeEvent = static_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 ASSERT, backupFonts(), m_fonts, restoreFonts(), and scaleFonts().

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restoreFonts()

void FontScalingEvent::restoreFonts ( )

private

Definition at line 59 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 65 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 72 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/www/ba/GUI/coregui/Views/IntensityDataWidgets/FontScalingEvent.h
• /home/www/ba/GUI/coregui/Views/IntensityDataWidgets/FontScalingEvent.cpp