Function tooltip

src/OpenLoco/src/Ui/Windows/StationWindow.cpp:480–527

0x0048EB4F

        // 0x0048EB4F
        static std::optional<FormatArguments> tooltip(Window& self, WidgetIndex_t widgetIndex, [[maybe_unused]] const WidgetId id)
        {
            FormatArguments args{};

            if (widgetIndex == widx::scrollview)
            {
                args.push(StringIds::tooltip_scroll_cargo_list);
            }
            else if (widgetIndex == widx::status_bar)
            {
                // First, find out how wide the 'Accepted:' label is
                const char* acceptedLabel = StringManager::getString(StringIds::accepted_cargo_separator);
                const auto font = Gfx::Font::medium_bold;
                const int16_t labelWidth = Gfx::TextRenderer::getStringWidthNewLined(font, acceptedLabel);

                // Now find out where we're pointing relative to the label
                const auto mousePos = Input::getMouseLocation();
                const auto startPos = self.position() + self.widgets[widx::status_bar].position() + Point{ 2, -1 };
                const auto relPos = mousePos - startPos;

                // Find out which cargo icon we must be pointing at, if any
                const auto cargoPointedAt = (relPos.x - labelWidth) / 12;
                auto* station = StationManager::get(StationId(self.number));
                auto cargoIndex = 0;
                for (uint32_t cargoId = 0; cargoId < kMaxCargoStats; cargoId++)
                {
                    auto& stats = station->cargoStats[cargoId];
                    if (!stats.isAccepted())
                    {
                        continue;
                    }

                    if (cargoIndex != cargoPointedAt)
                    {
                        cargoIndex++;
                        continue;
                    }

                    auto* cargoObj = ObjectManager::get<CargoObject>(cargoId);
                    args.push(cargoObj->name);
                    return args;
                }

                return std::nullopt;
            }

            return args;
        }

        // 0x0048E986
        static void drawScroll(Window& self, Gfx::DrawingContext& drawingCtx, [[maybe_unused]] const uint32_t scrollIndex)