Method barNumberChanged

src/frontend/dockwidgets/BarPlotDock.cpp:398–418

"Bars"-tab ! * called when the current bar number was changed, shows the bar properties for the selected bar. */

 * called when the current bar number was changed, shows the bar properties for the selected bar.
 */
void BarPlotDock::barNumberChanged(int index) {
	if (index == -1)
		return;

	CONDITIONAL_LOCK_RETURN;

	QList<Background*> backgrounds;
	QList<Line*> lines;
	for (auto* plot : m_barPlots) {
		auto* background = plot->backgroundAt(index);
		if (background)
			backgrounds << background;

		auto* line = plot->lineAt(index);
		if (line)
			lines << line;
	}

	backgroundWidget->setBackgrounds(backgrounds);
	lineWidget->setLines(lines);
}

void BarPlotDock::widthFactorChanged(int value) {
	CONDITIONAL_LOCK_RETURN;