drilldownslice.cpp Example File

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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, SIGNAL(percentageChanged()), this, SLOT(updateLabel()));
      connect(this, SIGNAL(hovered(bool)), this, SLOT(showHighlight(bool)));
  }

  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"