Function ThemeSetColour

src/openrct2-ui/interface/Theme.cpp:797–821

    }

    void ThemeSetColour(WindowClass wc, uint8_t index, ColourWithFlags colour)
    {
        UIThemeWindowEntry entry{};
        entry.Class = wc;

        auto currentEntry = const_cast<UIThemeWindowEntry*>(ThemeManager::CurrentTheme->GetEntry(wc));
        if (currentEntry != nullptr)
        {
            entry.Theme = currentEntry->Theme;
        }
        else
        {
            const WindowThemeDesc* desc = GetWindowThemeDescriptor(wc);
            if (desc == nullptr)
            {
                return;
            }
            entry.Theme = desc->windowColours.defaultTheme;
        }

        entry.Theme.Colours[index] = colour;
        ThemeManager::CurrentTheme->SetEntry(&entry);

        ThemeSave();
    }

    uint8_t ThemeGetFlags()
    {