drilldownslice.cpp Example File

piechartdrilldown/drilldownslice.cpp
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#include "drilldownslice.h" QT_CHARTS_USE_NAMESPACE DrilldownSlice::DrilldownSlice(qreal value, QString prefix, QAbstractSeries *drilldownSeries) : m_drilldownSeries(drilldownSeries), m_prefix(prefix) { setValue(value); updateLabel(); setLabelFont(QFont("Arial", 8)); connect(this, &DrilldownSlice::percentageChanged, this, &DrilldownSlice::updateLabel); connect(this, &DrilldownSlice::hovered, this, &DrilldownSlice::showHighlight); } DrilldownSlice::~DrilldownSlice() { } QAbstractSeries *DrilldownSlice::drilldownSeries() const { return m_drilldownSeries; } void DrilldownSlice::updateLabel() { QString label = m_prefix; label += " $"; label += QString::number(this->value()); label += ", "; label += QString::number(this->percentage() * 100, 'f', 1); label += "%"; setLabel(label); } void DrilldownSlice::showHighlight(bool show) { setLabelVisible(show); setExploded(show); } #include "moc_drilldownslice.cpp"