Distortion ON
Distortion ON + Constrain to image
.
and the Crop tool
Crop / Correction Auto based … + Distortion ON … behaving accordingly
…
please note
The preset “1 - DxO Standard” contains Crop / Correction Auto based on …
When applied to a newly discovered pic (= my standard setting for raw-files)
the pic gets croped automatically, the Crop tool turns off and the black edges are not shown.