Method addToLegend

src/qt/qcustomplot.cpp:11083–11102

! \overload Adds this plottable to the specified \a legend. Creates a QCPPlottableLegendItem which is inserted into the legend. Returns true on success, i.e. when the legend exists and a legend item associated with this plottable isn't already in the legend. If the plottable needs a more specialized representation in the legend, you can create a corresponding subclass of \ref QCPPlo

  \see removeFromLegend, QCPLegend::addItem
*/
bool QCPAbstractPlottable::addToLegend(QCPLegend *legend)
{
  if (!legend)
  {
    qDebug() << Q_FUNC_INFO << "passed legend is null";
    return false;
  }
  if (legend->parentPlot() != mParentPlot)
  {
    qDebug() << Q_FUNC_INFO << "passed legend isn't in the same QCustomPlot as this plottable";
    return false;
  }
  
  if (!legend->hasItemWithPlottable(this))
  {
    legend->addItem(new QCPPlottableLegendItem(legend, this));
    return true;
  } else
    return false;
}

/*! \overload