Method currentCurve

src/backend/worksheet/plots/cartesian/CartesianPlot.cpp:1945–1952

! * returns the first selected XYCurve in the plot */

 * returns the first selected XYCurve in the plot
 */
const XYCurve* CartesianPlot::currentCurve() const {
	for (const auto* curve : children<const XYCurve>()) {
		if (curve->graphicsItem()->isSelected())
			return curve;
	}

	return nullptr;
}

void CartesianPlot::addDataReductionCurve() {
	auto* curve = new XYDataReductionCurve(i18n("Data Reduction"));