MMamM (MUI MUI and more MUI) is tool for creating and maintaining MUI custom-classes soley based on C(++) sources. It was designed in to be non-destructive on preexting sources. Code parts unrelated to the MUI class will remain unaffected and so will allready implemented methods.
MMamM 0.2 is still missing several details and may contain severe bugs and should be considered an alpha release giving you an outlook at what to expect.