Qt 5.8 | Qt Charts | Pie Chart Customization Example | customslice.cpp Example File

Qt 5.8.0 Reference Documentation

# customslice.cpp Example File

piechartcustomization/customslice.cpp

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      #include "customslice.h"

      QT_CHARTS_USE_NAMESPACE

      CustomSlice::CustomSlice(QString label, qreal value)
          : QPieSlice(label, value)
      {
          connect(this, SIGNAL(hovered(bool)), this, SLOT(showHighlight(bool)));
      }

      QBrush CustomSlice::originalBrush()
      {
          return m_originalBrush;
      }

      void CustomSlice::showHighlight(bool show)
      {
          if (show) {
              QBrush brush = this->brush();
              m_originalBrush = brush;
              brush.setColor(brush.color().lighter());
              setBrush(brush);
          } else {
              setBrush(m_originalBrush);
          }
      }

      #include "moc_customslice.cpp"