Function LoadsaveOpen

src/openrct2-ui/windows/LoadSave.cpp:1161–1205

    };

    WindowBase* LoadsaveOpen(
        LoadSaveAction action, LoadSaveType type, std::string_view defaultPath, LoadSaveCallback callback, bool isJsCallback,
        TrackDesign* trackDesign)
    {
        _trackDesign = trackDesign;
        _defaultPath = defaultPath;

        auto* windowMgr = GetWindowManager();
        auto* w = static_cast<LoadSaveWindow*>(windowMgr->BringToFrontByClass(WindowClass::loadsave));
        if (w == nullptr)
        {
            auto& config = Config::Get().general;
            if (config.fileBrowserWidth < kWindowSizeMin.width || config.fileBrowserHeight < kWindowSizeMin.height
                || config.fileBrowserWidth > kWindowSizeMax.width || config.fileBrowserHeight > kWindowSizeMax.height)
            {
                config.fileBrowserWidth = kWindowSize.width;
                config.fileBrowserHeight = kWindowSize.height;
                Config::Save();
            }

            ScreenSize windowSize = { config.fileBrowserWidth, config.fileBrowserHeight };

            RegisterCallback(callback, isJsCallback);

            w = windowMgr->Create<LoadSaveWindow>(
                WindowClass::loadsave, windowSize,
                { WindowFlag::stickToFront, WindowFlag::resizable, WindowFlag::autoPosition, WindowFlag::centreScreen }, action,
                type);
        }

        bool isSave = action == LoadSaveAction::save;

        if (type == LoadSaveType::heightmap && isSave)
        {
            Guard::Fail("Cannot save images through loadsave window");
        }

        w->widgets[WIDX_TITLE].text = GetTitleStringId(type, isSave);
        if (w->widgets[WIDX_TITLE].text == kStringIdNone)
        {
            Guard::Fail("Unsupported load/save type: %d", EnumValue(type));
        }

        return w;
    }

    void WindowLoadSaveInputKey(WindowBase* w, uint32_t keycode)
    {