Method mouseMoveEvent

src/backend/worksheet/plots/cartesian/CartesianPlot.cpp:3899–3949

}

void CartesianPlotPrivate::mouseMoveEvent(QGraphicsSceneMouseEvent* event) {
	const auto* cSystem{defaultCoordinateSystem()};
	auto* w = static_cast<Worksheet*>(q->parent(AspectType::Worksheet))->currentSelection();
	int index = CartesianPlot::cSystemIndex(w);
	if (index >= 0)
		cSystem = static_cast<CartesianCoordinateSystem*>(q->m_coordinateSystems.at(index));

	if (mouseMode == CartesianPlot::MouseMode::Selection) {
		if (panningStarted && dataRect.contains(event->pos())) {
			// don't retransform on small mouse movement deltas
			const int deltaXScene = (m_panningStart.x() - event->pos().x());
			const int deltaYScene = (m_panningStart.y() - event->pos().y());
			if (std::abs(deltaXScene) < 5 && std::abs(deltaYScene) < 5)
				return;

			if (!cSystem->isValid())
				return;
			const QPointF logicalEnd = cSystem->mapSceneToLogical(event->pos());
			const QPointF logicalStart = cSystem->mapSceneToLogical(m_panningStart);
			m_panningStart = event->pos();
			Q_EMIT q->mouseMoveSelectionModeSignal(logicalStart, logicalEnd);
		} else
			QGraphicsItem::mouseMoveEvent(event);
	} else if (mouseMode == CartesianPlot::MouseMode::ZoomSelection || mouseMode == CartesianPlot::MouseMode::ZoomXSelection
			   || mouseMode == CartesianPlot::MouseMode::ZoomYSelection) {
		QGraphicsItem::mouseMoveEvent(event);
		if (!boundingRect().contains(event->pos())) {
			q->info(QString());
			return;
		}
		if (!cSystem->isValid())
			return;
		const QPointF logicalPos = cSystem->mapSceneToLogical(event->pos(), AbstractCoordinateSystem::MappingFlag::Limit);
		Q_EMIT q->mouseMoveZoomSelectionModeSignal(logicalPos);

	} else if (mouseMode == CartesianPlot::MouseMode::Cursor) {
		QGraphicsItem::mouseMoveEvent(event);
		if (!boundingRect().contains(event->pos())) {
			q->info(i18n("Not inside of the bounding rect"));
			return;
		}

		// updating treeview data and cursor position
		// updating cursor position is done in Worksheet, because
		// multiple plots must be updated
		if (!cSystem->isValid())
			return;
		const QPointF logicalPos = cSystem->mapSceneToLogical(event->pos(), AbstractCoordinateSystem::MappingFlag::Limit);
		Q_EMIT q->mouseMoveCursorModeSignal(selectedCursor, logicalPos);
	}
}

bool CartesianPlotPrivate::translateRange(int xIndex, int yIndex, const QPointF& logicalStart, const QPointF& logicalEnd, bool translateX, bool translateY) {
	// handle the change in x