multiple color schemes

[Jon LaBadie]

On Wed, Sep 08, 2021 at 04:31:11PM +1000, raf wrote:
>On Wed, Sep 08, 2021 at 01:20:27AM -0400, Jon LaBadie <mutter at jgcomp.com> wrote:
>
>> I've always preferred a black letters on white background scheme.
>> However, after cataract surgery I'm considering using a dark
>> background scheme.
>>
>> Has anyone a technique for defining multiple color schemes and
>> toggling among them while using mutt?
>>
>> I already keep my color scheme in a separate file and source
>> that file from ~/.muttrc.  To extend that, I created two
>> files for light and dark schemes and separate macros (,l and ,d)
>> to source them while running mutt.
>>
>> I'd like to reduce that to a single macro that toggles between
>> the files or one that allows selecting from multiple scheme
>> files, perhaps in round robin fashion.
>
>Someone else will probably give a better answer, but
>here goes. If you have different colour schemes setup
>in different files, you can probably set up a macro in
>your ~/.muttrc that enables the colour scheme you want
>by sourcing the relevant file. e.g. something like:
>
>  macro index something :source colour-scheme-1.muttrc\n
>  macro index something :source colour-scheme-2.muttrc\n
>
>Where "something" is a key sequence that doesn't
>already do something you care about (e.g. A1, A2). 

That is exactly what I've currently implemented.

For macro names, I sometimes pick my favorite single letter
and add a leading comma.  So my two macros are named ,d (dark)
and ,l (light).

>Toggling will be more complicated, but doable, if it's really
>needed. It might involve having the macro source a single file,
>and also run an external command that replaces the contents of
>that file with the "other" file. e.g. something like:

schemes that edit or copy files seem too prone to unanticipated
mess-ups.

Jon
-- 
Jon H. LaBadie                 jon at labadie.us
  11226 South Shore Rd.          (703) 787-0688 (H)
  Reston, VA  20190              (703) 935-6720 (C)