Function ConvertSingleModFlagToKey

include/imgui/imgui_internal.h:3335–3342

    inline bool             IsLRModKey(ImGuiKey key)                    { return key >= ImGuiKey_LeftCtrl && key <= ImGuiKey_RightSuper; }
    ImGuiKeyChord           FixupKeyChord(ImGuiKeyChord key_chord);
    inline ImGuiKey         ConvertSingleModFlagToKey(ImGuiKey key)
    {
        if (key == ImGuiMod_Ctrl) return ImGuiKey_ReservedForModCtrl;
        if (key == ImGuiMod_Shift) return ImGuiKey_ReservedForModShift;
        if (key == ImGuiMod_Alt) return ImGuiKey_ReservedForModAlt;
        if (key == ImGuiMod_Super) return ImGuiKey_ReservedForModSuper;
        return key;
    }

    IMGUI_API ImGuiKeyData* GetKeyData(ImGuiContext* ctx, ImGuiKey key);
    inline ImGuiKeyData*    GetKeyData(ImGuiKey key)                                    { ImGuiContext& g = *GImGui; return GetKeyData(&g, key); }