Function onScrollMouseOver

src/OpenLoco/src/Ui/Windows/VehicleList.cpp:946–1021

0x004C26A4

    // 0x004C26A4
    static void onScrollMouseOver(Window& self, [[maybe_unused]] int16_t x, int16_t y, [[maybe_unused]] uint8_t scroll_index)
    {
        Ui::ToolTip::setTooltipTimeout(2000);

        self.flags &= ~WindowFlags::notScrollView;

        uint16_t currentRow = y / self.rowHeight;
        if (currentRow < self.rowCount)
        {
            self.rowHover = self.rowInfo[currentRow];
        }
        else
        {
            self.rowHover = -1;
        }

        StringId tooltipId = StringIds::buffer_337;
        if (self.rowHover == -1)
        {
            tooltipId = StringIds::null;
        }

        char* tooltipBuffer = const_cast<char*>(StringManager::getString(StringIds::buffer_337));

        // Have we already got the right tooltip?
        if (tooltipBuffer[0] != '\0' && self.widgets[Widx::scrollview].tooltip == tooltipId && self.rowHover == self.var_85C)
        {
            return;
        }

        self.widgets[Widx::scrollview].tooltip = tooltipId;
        self.var_85C = self.rowHover;
        Ui::Windows::ToolTip::closeAndReset();

        if (self.rowHover == -1)
        {
            return;
        }

        // Initialise tooltip buffer.
        char* buffer = StringManager::formatString(tooltipBuffer, StringIds::vehicle_list_tooltip_load);

        // Append load to buffer.
        auto head = EntityManager::get<VehicleHead>(EntityId(self.var_85C));
        if (head == nullptr)
        {
            return;
        }
        buffer = head->generateCargoTotalString(buffer);

        // Figure out what stations the vehicle stops at.
        auto orders = Vehicles::OrderRingView(head->orderTableOffset);
        bool isFirstStop = true;
        for (auto& order : orders)
        {
            // Is this order a station?
            auto* stopOrder = order.as<Vehicles::OrderStopAt>();
            if (stopOrder == nullptr)