Method childAdded

src/backend/worksheet/plots/cartesian/CartesianPlot.cpp:2289–2483

}

void CartesianPlot::childAdded(const AbstractAspect* child) {
	auto* elem = dynamic_cast<const WorksheetElement*>(child);
	if (!elem)
		return;

	Q_D(CartesianPlot);
	int cSystemIndex = defaultCoordinateSystemIndex();
	// check/change ranges when adding new children like curves for example.
	// The ranges must not be checked if just an element like a TextLabel, Custompoint, ... was added
	bool checkRanges = false;
	const auto* plot = dynamic_cast<const Plot*>(child);

	if (plot) {
		connect(plot, &WorksheetElement::visibleChanged, this, &CartesianPlot::curveVisibilityChanged);
		connect(plot, &WorksheetElement::aspectDescriptionChanged, this, &CartesianPlot::updateLegend);
		connect(plot, &Plot::legendVisibleChanged, this, &CartesianPlot::updateLegend);
		connect(plot, &Plot::appearanceChanged, this, &CartesianPlot::updateLegend);
		connect(plot, &Plot::appearanceChanged, this, QOverload<>::of(&CartesianPlot::plotColorChanged)); // forward to Worksheet to update CursorDock

		connect(plot, &Plot::dataChanged, [this, elem] {
			this->dataChanged(const_cast<WorksheetElement*>(elem));
		});

		// don't set the default coordinate system index during the project load,
		// the index is read in child's load().
		// same for range and legend updates - settings are read in load().
		if (!isLoading()) {
			const_cast<Plot*>(plot)->setCoordinateSystemIndex(cSystemIndex);
			checkRanges = true;
			updateLegend();
		}
	} else {
		// hover events for plots are handled here in CartesianPlot, for other elements in WorksheetElement.
		// in case a non-plot element like axis, etc. was hovered, unhover the plots
		connect(elem, &WorksheetElement::hoveredChanged, [=](bool on) {
			if (on) {
				for (auto* plot : children<Plot>())
					plot->setHover(false);
			}
		});
	}

	const auto* curve = dynamic_cast<const XYCurve*>(child);
	const auto* hist = dynamic_cast<const Histogram*>(child);
	const auto* boxPlot = dynamic_cast<const BoxPlot*>(child);
	const auto* barPlot = dynamic_cast<const BarPlot*>(child);
	const auto* lollipopPlot = dynamic_cast<const LollipopPlot*>(child);

	const auto* axis = dynamic_cast<const Axis*>(child);

	if (curve) {
		DEBUG(Q_FUNC_INFO << ", CURVE")
		// x data
		connect(curve, &XYCurve::xColumnChanged, this, [this, curve](const AbstractColumn* column) {
			if (curveTotalCount() == 1) // first curve addded
				checkAxisFormat(curve->coordinateSystemIndex(), column, Axis::Orientation::Horizontal);
		});
		connect(curve, &XYCurve::xDataChanged, [this, curve]() {