- forks internal Qt APIs (to be maintained)
  - This one may be too deep
  - e.g. remove memory rotation overloads ...
  - ... if possiible ...
- dtk conventions over it
- brings GUIPrivate dep (Ok, or not ?, as to conda packages ...)
- @nniclaus will tell ...
- will be split into sub frameworks for dtk-widgets

To be applied in the example (as a composition of them all, except the
shadow effect, as a PoC). This is however f***ing comlicated ...