Re: vesafb terminal for testing.

[Vincent Pelletier]

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Yoshinori K. Okuji wrote:
> A pluggable menu might sound good, but it's not so easy to maintain multiple 
> menu interfaces.

I think we should only maintain some kind of API interface with an
example module, and let the community develop on it if it finds it
interesting.

> like CSS in HTML.

I like the CSS idea.
From-menu edition of the CSS sound to me as a requirement, to avoid
rebooting each time a change is made. It could be at first with
read-only from device, and maybe a hard-copy print function.

The "HTML" would be grub.cfg, but the "CSS" ?
Another file ? In the same ?
We might need to improve the grub.cfg format to handle something like
css classes. Even if we don't implement class support in our graphic
menu, I bet users will be happy to find it supported when writing their
module.
On the other hand, the "worse is better" rule would say that if the
grub.cfg format is too bad, the users will write another that would best
fit their needs.
It might be good to separate menu definition from environment
initialisation, in case the first gets redesigned they wouldn't have to
care about the second.

> USB mouse support
[...]
> Vesa

On the IEEE1275 point of view, I saw framebuffer graphic primitives in
the standard, so it *should* be easy too. And on my sun, there is a
mouse device in the OB tree.

Marco Gerards wrote:
> Right, but it would be the best if we think now and design the
> interfaces.

Maybe should we design a test-case. I'm thinking of 2~3 buttons bouncing
around the screen, with selection & click events handled (including
<tab>, <return>, <space>). That would test :
- -drawing
- -timer events (I think it's worth the implementation)
 and their regularity among different systems
- -user interaction

Vincent Pelletier
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