Function onCompanyDropdown

src/OpenLoco/src/Ui/Windows/VehicleList.cpp:826–863

0x004C243F

    // 0x004C243F
    static void onCompanyDropdown(Ui::Window& self, int16_t itemIndex)
    {
        if (itemIndex == -1)
        {
            return;
        }

        CompanyId companyId = Dropdown::getCompanyIdFromSelection(itemIndex);

        // Try to find an open vehicle list for this company.
        auto companyWindow = WindowManager::bringToFront(WindowType::vehicleList, enumValue(companyId));
        if (companyWindow != nullptr)
        {
            return;
        }

        // If not, we'll turn this window into a window for the company selected.
        auto company = CompanyManager::get(companyId);
        if (company->name == StringIds::empty)
        {
            return;
        }

        self.number = enumValue(companyId);
        self.owner = companyId;

        disableUnavailableVehicleTypes(self);

        self.rowCount = 0;
        populateVehicleList(self);

        self.rowHover = -1;

        self.callOnResize();
        self.callPrepareDraw();
        self.initScrollWidgets();
        self.invalidate();
    }

    static void onDropdown(Ui::Window& self, WidgetIndex_t widgetIndex, [[maybe_unused]] const WidgetId id, int16_t itemIndex)
    {