Method cursorPosChanged

src/backend/worksheet/Worksheet.cpp:1169–1291

! * \brief Worksheet::cursorPosChanged * Updates the cursor treemodel with the new data * \param xPos: new position of the cursor * It is assumed, that the plots/curves are in the same order than receiving from * the children() function. It's not checked if the names are the same */

 * the children() function. It's not checked if the names are the same
 */
void Worksheet::cursorPosChanged(int cursorNumber, double xPos) {
	Q_D(const Worksheet);
	if (d->suppressCursorPosChanged)
		return;

	auto* sender = dynamic_cast<CartesianPlot*>(QObject::sender());
	if (!sender)
		return;

	TreeModel* treeModel = cursorModel();

	// if ApplyActionToSelection, each plot has it's own x value
	bool isDatetime = sender->xRangeFormatDefault() == RangeT::Format::DateTime;
	if (cartesianPlotCursorMode() == CartesianPlotActionMode::ApplyActionToAll) {
		// x values
		int rowPlot = 1;
		QModelIndex xName = treeModel->index(0, static_cast<int>(WorksheetPrivate::TreeModelColumn::SIGNALNAME));
		treeModel->setData(xName, QVariant(QStringLiteral("X")));
		double valueCursor[2];
		QDateTime datetime[2];
		for (int i = 0; i < 2; i++) { // need both cursors to calculate diff
			QVariant data;
			valueCursor[i] = sender->cursorPos(i);
			if (isDatetime) {
				datetime[i] = QDateTime::fromMSecsSinceEpoch(valueCursor[i], QTimeZone::UTC);
				data = datetime[i].toString(sender->rangeDateTimeFormat(Dimension::X));
			} else
				data = QVariant(valueCursor[i]);
			treeModel->setTreeData(data, 0, static_cast<int>(WorksheetPrivate::TreeModelColumn::CURSOR0) + i);
		}
		if (isDatetime)
			treeModel->setTreeData(dateTimeDiffToString(datetime[0], datetime[1]), 0, static_cast<int>(WorksheetPrivate::TreeModelColumn::CURSORDIFF));
		else
			treeModel->setTreeData(QVariant(valueCursor[1] - valueCursor[0]), 0, static_cast<int>(WorksheetPrivate::TreeModelColumn::CURSORDIFF));

		// y values
		for (int i = 0; i < plotCount(); i++) { // i=0 is the x Axis

			auto* p = plot(i);
			if (!p || !p->isVisible())
				continue;

			QModelIndex plotIndex = treeModel->index(rowPlot, static_cast<int>(WorksheetPrivate::TreeModelColumn::PLOTNAME));

			// curves
			int rowCurve = 0;
			for (int j = 0; j < p->curveCount(); j++) {
				// assumption: index of signals in model is the same than the index of the signal in the plot
				bool valueFound;

				const XYCurve* curve = p->getCurve(j);
				if (!curve->isVisible())
					continue;

				double value = curve->y(xPos, valueFound);
				if (cursorNumber == 0) {
					treeModel->setTreeData(QVariant(value), rowCurve, static_cast<int>(WorksheetPrivate::TreeModelColumn::CURSOR0), plotIndex);
					double valueCursor1 = treeModel->treeData(rowCurve, static_cast<int>(WorksheetPrivate::TreeModelColumn::CURSOR1), plotIndex).toDouble();