Method childHovered

src/backend/worksheet/plots/cartesian/CartesianPlot.cpp:2595–2608

! * \brief CartesianPlot::childHovered * Unhover all curves, when another child is hovered. The hover handling for the curves is done in their parent (CartesianPlot), * because the hover should set when the curve is hovered and not just the bounding rect (for more see hoverMoveEvent) */

 * because the hover should set when the curve is hovered and not just the bounding rect (for more see hoverMoveEvent)
 */
void CartesianPlot::childHovered() {
	Q_D(CartesianPlot);
	bool curveSender = qobject_cast<XYCurve*>(QObject::sender()) != nullptr;
	if (!d->isSelected()) {
		if (isHovered())
			setHover(false);
		else
			d->update(); // realy needed?
	}
	if (!curveSender) {
		for (auto curve : children<XYCurve>())
			curve->setHover(false);
	}
}

void CartesianPlot::updateLegend() {
	if (m_legend)