Method curveVisibilityChanged

src/backend/worksheet/InfoElement.cpp:563–593

}

void InfoElement::curveVisibilityChanged() {
	XYCurve* curve = static_cast<XYCurve*>(QObject::sender());
	bool visible = curve->isVisible();

	bool oneMarkerpointVisible = false;
	for (auto& custompoint : markerpoints) {
		if (custompoint.curve == curve)
			custompoint.customPoint->setVisible(visible);

		if (custompoint.customPoint->isVisible())
			oneMarkerpointVisible = true;
	}

	// if curve was set to hidden, set InfoElement to first visible curve
	if (!visible) {
		for (auto& custompoint : markerpoints) {
			if (custompoint.curve->isVisible()) {
				setConnectionLineCurveName(custompoint.curve->name());
				break;
			}
		}
	}

	// if no markerpoints are visible, hide the title label
	m_title->setUndoAware(false);
	if ((!visible && markerpoints.count() == 0) || !oneMarkerpointVisible)
		m_title->setVisible(false);
	else
		m_title->setVisible(true);
	m_title->setUndoAware(true);
}

void InfoElement::curveDataChanged() {
	Q_D(InfoElement);