[BRLTTY] attribute tracking, was re: Recommended live distribution

[Nicolas Pitre]

On Wed, 19 Sep 2012, S. Massy wrote:
> On Wed, Sep 19, 2012 at 02:04:28PM -0400, Nicolas Pitre wrote:
> > On Wed, 19 Sep 2012, Dave Mielke wrote:
> > > I think I know what you mean by profiles - changing brltty's settings based on 
> > > the current foreground probram - but I'm not sure how detecting which program 
> > > is currently in the foreground is best done, especially given screen-managed 
> > > windows, ssh sessions, etc.
> > 
> > Let's answer this last question first.  The best approach would probably 
> > involve screen content signature. So, given a set of application profile 
> > specifications, the first item in each profile would describe some 
> > screen content that has to match for the profile to be activated.  That 
> > match would need to be reconfirmed whenever the screen content changes, 
> > and if the match fails then the search for another profile would happen.
> I wonder what would be some reasonable use-cases for such "profiles".
> Can't come up with a whole lot off the top of my head. This is the kind
> of feature more useful for GUIs than consoles usually.

Heh.  That's probably why BRLTTY has been around for 16 years now 
without that feature.


Nicolas