Thank you for the answer.
>>Also, take care on what widgets you are looking at. We have a few groupings in our source tree that are meant to stay C.
I started with src/widgets/sp-color-slider. I plan to continue with widgets related to fill and stroke dialog (sp-color-notebook, sp-color-scales, sp-color-wheel-selector etc.). Are they safe to port?
>>>> 4) Should child widgets be stored as pointers as in glyph.h or directly as in text-edit.h?
>> Which file are you referencing as "glyph.h"?
src/ui/dialog/glyphs.h
Tomek