[BRLTTY] Low-level BrlAPI questions

[Samuel Thibault]

Aura Kelloniemi, le jeu. 15 avril 2021 13:19:26 +0300, a ecrit:
> brlapi__writeText, which pads/truncates the output as necessary.
> 
> But this function cannot be called safely from languages that are Unicode
> only.

As mentioned previously, we can add a brlapi_writeUtf8Text, just like we
already have brlapi_writeWText

>  > > Also, this does not need to break the protocol, because padding can be applied
>  > > in the C client library.
> 
>  > No, because the display may have changed size in between, so the padding
>  > will not be enough.
> 
> Isn't this always the case? The display size can always change while the
> application renders the output or BrlAPI processes it. brlapi__writeText works
> this way – it does the padding/truncation on the client side.

And it shouldn't :)

> I guess that if the display size changes, the write operation either
> fails or is applied partially (or part of the display won't be
> refreshed).

It will be applied partially, the application will receive a parameter
update, and re-submit the write, possibly with more text, then.

Samuel