Method positionYChanged

src/frontend/dockwidgets/CartesianPlotLegendDock.cpp:380–411

! called when legend's current vertical position relative to its parent (top, center, bottom, custom) is changed. */

	called when legend's current vertical position relative to its parent (top, center, bottom, custom) is changed.
*/
void CartesianPlotLegendDock::positionYChanged(int index) {
	CONDITIONAL_LOCK_RETURN;

	CartesianPlotLegend::PositionWrapper position = m_legend->position();
	auto oldVerticalPosition = position.verticalPosition;
	position.verticalPosition = CartesianPlotLegend::VerticalPosition(index);
	double y = 0.;
	if (position.verticalPosition == WorksheetElement::VerticalPosition::Relative) {
		switch (oldVerticalPosition) {
		case WorksheetElement::VerticalPosition::Top:
		case WorksheetElement::VerticalPosition::Relative:
			break;
		case WorksheetElement::VerticalPosition::Center:
			y = 0.5;
			break;
		case WorksheetElement::VerticalPosition::Bottom:
			y = 1.0;
		}
		ui.sbPositionY->setSuffix(QStringLiteral(" %"));
	} else {
		if (m_units == Units::Metric)
			ui.sbPositionY->setSuffix(QStringLiteral(" cm"));
		else
			ui.sbPositionY->setSuffix(QStringLiteral(" in"));
	}

	position.point.setY(y);
	ui.sbPositionY->setValue(std::round(100. * y));

	for (auto* legend : m_legendList)
		legend->setPosition(position);
}

void CartesianPlotLegendDock::customPositionXChanged(double value) {
	CONDITIONAL_RETURN_NO_LOCK;