Re: tty[1-6]: colors a negative accessibility/usability trend

[Karel Zak <kzak@redhat.com>]

On Sun, Feb 15, 2015 at 06:12:38AM -0500, Mike Frysinger wrote:
> On 13 Feb 2015 12:25, Karel Zak wrote:
> > On Fri, Feb 13, 2015 at 10:33:23AM +0000, Sami Kerola wrote:
> > > On 13 February 2015 at 09:21, Karel Zak <kzak@redhat.com> wrote:
> > > > On Thu, Feb 12, 2015 at 10:21:48PM -0500, Dale R. Worley wrote:
> > > >> I don't particularly like colorization.  But technically, it seems to me
> > > >> that what is needed is a systematic way for the user to indicate his
> > > >> colorization preferences to *all* utilities.  And a corresponding way
> > > >> for the system to provide defaults for those user preferences.
> > > >>
> > > >>
> > > >> Only when there is a systematic framework for colorization will all the
> > > >> programs allow colorizing to be configured.
> > > >
> > > > It would be possible to create a shared library from our lib/colors.c
> > > > to support terminal-colors.d/... :-)
> > > 
> > > Or add the needed to ncurses. Isn't that better than adding a new
> > > library?
> > 
> > you want to link programs like dmesg, gcc or ls with ncurses monster?
> > 
> > The another story is that ncurses provides completely abstract layer
> > for colors and I didn't found a way how to use it together with color 
> > escape sequences. This is reason why for example cfdisk supports only
> > enable/disable terminal-colors.d feature, but no schemes to specify
> > colors.
> 
> this is why ncurses has the ability to split its lib into a smaller libtinfo.  
> you get all the logic for detecting terminal capabilities without all the rest 
> of the ncurses layers.  for people who do want to kill colors across the board, 
> they can use a different TERM that does not support them.  forcing people to 
> duplicate that in a new database seems wrong to me.

 What we want to duplicate? What exactly in lib/colors.c is duplicate?
 The code evaluates filenames and parses files with "name colorcode".

 Anyway, the core of the terminal-colors.d/ is enable/disable feature,
 for this purpose is unnecessary any library.

    Karel

> -mike



-- 
 Karel Zak  <kzak@redhat.com>
 http://karelzak.blogspot.com