Re: 256 colors

[Nikolai Weibull]

On 4/24/07, Alain Bench <address@hidden> wrote:
>  On Monday, April 23, 2007 at 21:56:59 +0200, Nikolai Weibull wrote:

> > On 4/23/07, Alain Bench <address@hidden> wrote:

> >> An enhanced version of your [screen-256color] entry is included in
> >> the official terminfo database
> > "Enhanced"?  ;-)
>
>     Slightly richer: Optimized color commands, sgr, mouse support,
> bindable <BackTab>, and some such.

OK.  I was only kidding.  I didn't think my definition was the end of the line.

By the way, the setaf/setab alternatives that are used now look very
complex.  As I understood it from my twenty-second survey it's about
supporting the old ways of setting colors as well.  Is that right?

> The -.NW is yours:

Cool!  :-)

> | $ infocmp -x screen-256color.NW screen-256color
> | comparing screen-256color.NW to screen-256color.
> |     comparing booleans.
> |       OTbs: F:T.
> |       OTpt: F:T.
> |       AX: F:T.
> |       G0: F:T.
> |     comparing numbers.
> |       ncv: NULL, 3.
> |     comparing strings.
> |       acsc: 
> '++\,\,--..00II``aaffgghhjjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~', 
> '++\,\,--..00``aaffgghhiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~'.
> |       kbs: NULL, '^H'.
> |       kcbt: NULL, '\E[Z'.
> |       kmous: NULL, '\E[M'.
> |       rs2: '\Ec', '\Ec\E[?1000l\E[?25h'.
> |       setab: '\E[48;5;%p1%dm', 
> '\E[%?%p1%{8}%<%t4%p1%d%e%p1%{16}%<%t10%p1%{8}%-%d%e48;5;%p1%d%;m'.
> |       setaf: '\E[38;5;%p1%dm', 
> '\E[%?%p1%{8}%<%t3%p1%d%e%p1%{16}%<%t9%p1%{8}%-%d%e38;5;%p1%d%;m'.
> |       sgr: NULL, 
> '\E[0%?%p6%t;1%;%?%p1%t;3%;%?%p2%t;4%;%?%p3%t;7%;%?%p4%t;5%;m%?%p9%t\016%e\017%;'.
> |       sgr0: '\E[m', '\E[m\017'.
> |       E0: NULL, '\E(B'.
> |       S0: NULL, '\E(%p1%c'.

>     Of course presence of capabilities like <BackTab> or mouse may seem
> strange, given Screen itself doesn't manage them. However most if not
> all possibly used 256 colors terminals support them. So it makes sense
> to inform apps that <BackTab> key and mouse do work.

Yeah, that sounds reasonable.  Not that I use the mouse in the
terminal, but still.

 nikolai