Re: Modify setterm color palette

[Willy Tarreau]

On Sun, Jan 15, 2006 at 01:16:20PM +0000, Russell King wrote:
> On Sun, Jan 15, 2006 at 01:15:23PM +0100, Jan Engelhardt wrote:
> > drivers/char/vt.c: default_red, default_grn, default_blu
> > 
> > You can also change them with `echo -en "\e]PXRRGGBB"`, where X is a hex 
> > digit (range 0-F), and RGB are the components. Check console_codes(4) and 
> > go figure. :)
> 
> I for one prefer the standard VT100 yellow instead of brown, and I
> have an escape sequence to do that similar to the one you show above.
> 
> However, there's one major flaw - programs recently (and by that I mean
> FC2-like recently) have started to do complete console resets, which
> result in the users settings being completely wiped out.
> 
> For instance, I have:
> 
> if [ "$TERM" = "linux" ]; then
>   echo -ne '\e]P3aaaa00'
> fi
> 
> in the bash login scripts.  Run mutt 1.4 and that gets wiped out.
> Previous version of mutt (1.2?) didn't do this.
> 
> So, in essence, this is a completely useless solution.  I think we need
> a separate escape sequence to modify the system default so that peoples
> preferences do not get inadvertently wiped out by programs.

Why not add an escape sequence to lock/unlock the palette ? It might be
simpler, and we could even stack the locks to ensure recursive protection.

> (I have also considered writing a module to locate the default palette
> and "correct" it.)
> 
> -- 
> Russell King
>  Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
>  maintainer of:  2.6 Serial core

Regards,
Willy

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