[xmonad] Colored Tabs (was: Re: Newbie: Problems with Layouts and Syntax)

[Roman Cheplyaka]

* Roman Cheplyaka <roma at ro-che.info> [2008-03-01 07:00:25+0200]
> * john spencer <mailinglists at speedpost.net> [2008-02-29 22:43:25+0100]
> > Cool, works nice, thanks! :-) What do you think about coloring the tabs 
> > according to a matching title regexp? So one could give tabs containing 
> > a terminal a different color than ie. tabs containing emacs frames, etc.
> 
> It's not hard to add to decoration Theme a function field
> (Window->X (Maybe String)) which would return desired tab color, but
> this is an ad-hoc solution.
> 
> Besides it's unclear what to do with such things as inactiveColor or
> urgentColor, or border colors. Should they all be functions? Or treat
> them as defaults, if function above returns Nothing?
> 
> Better solution I can think of is splitting Theme into the two
> structures and introduce typeclass for decorations. Then we could
> implement colorful decorations as a different decoration, but share all
> the code which manages decorations. Such class (as far as I see) will
> contain only one method, updateDeco.
> 
> Latter solution also seems useful in long term, as somebody once could
> want decorations with some icons or buttons or something else.
> 
> What do you guys (esp. Andrea) think?
> 
> PS I just realized  that theme anyway won't be able to contain
> functions, as they don't belong Show. Hm.

Here's possible solution: to push EDSL I defined in IM layout to a
separate module and use classname and other props instead of regexps
(must be sufficient in most cases).

Still I wait for the comments about new typeclass for decorations.

-- 
Roman I. Cheplyaka (aka Feuerbach @ IRC)
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