Method keyPressEvent

src/backend/worksheet/InfoElement.cpp:1170–1205

}

void InfoElementPrivate::keyPressEvent(QKeyEvent* event) {
	if (m_suppressKeyPressEvents) {
		event->ignore();
		return QGraphicsItem::keyPressEvent(event);
	}

	if (event->key() == Qt::Key_Right || event->key() == Qt::Key_Left) {
		int index;
		if (event->key() == Qt::Key_Right)
			index = 1;
		else
			index = -1;

		// problem: when curves have different number of samples, the points are anymore aligned
		// with the vertical line
		// find markerpoint to which the values matches (curvename is stored in connectionLineCurveName)
		for (int i = 0; i < q->markerPointsCount(); i++) {
			const auto* curve = q->markerpoints[i].curve;
			if (curve->name().compare(connectionLineCurveName) == 0) {
				if (!curve->xColumn())
					return;
				auto rowCount = curve->xColumn()->rowCount();
				m_index += index;
				if (m_index > rowCount - 1)
					m_index = rowCount - 1;
				if (m_index < 0)
					m_index = 0;
				if (curve->xColumn()->isNumeric())
					q->setPositionLogical(curve->xColumn()->valueAt(m_index));
				else
					q->setPositionLogical(curve->xColumn()->dateTimeAt(m_index).toMSecsSinceEpoch());
				break;
			}
		}
	}
}

bool InfoElementPrivate::activate(QPointF mouseScenePos, double /*maxDist*/) {
	if (!isVisible())