Method SetCompanyMask

src/linkgraph/linkgraph_gui.cpp:439–444

* Set a new company mask and rebuild the cache. * @param company_mask New company mask. */

 * @param company_mask New company mask.
 */
void LinkGraphOverlay::SetCompanyMask(CompanyMask company_mask)
{
	this->company_mask = company_mask;
	this->RebuildCache();
	this->window->GetWidget<NWidgetBase>(this->widget_id)->SetDirty(this->window);
}

/** Make a number of rows with buttons for each company for the linkgraph legend window. */
std::unique_ptr<NWidgetBase> MakeCompanyButtonRowsLinkGraphGUI()