Re: [Evolution] Black areas in space with email headers using Evolve Gnome theme

[Milan Crha <mcrha redhat com>]

On Sat, 2014-04-26 at 14:37 -0700, Per wrote:

> I do not experience this bug with any of the default themes that comes
> with Ubuntu/Gnome, just Evolve, so I'm not sure whether this is an
> Evolution or Evolve issue (no pun intended...).
>
> The fact the bug was addressed by the Evolution developers in the past
> suggests perhaps there is a regression in Evolution, as all the fixes
> made seem to refer to older versions of Evolution than I use.


        Hi,
there had been multiple attempts to workaround the issue of the black
background for message headers in a message preview in Evolution, but
none works fully. As one example for evolution itself:
https://bugzilla.gnome.org/show_bug.cgi?id=699576

You might find some information even in this list archives, as this had
been discussed multiple times here too.

Anyway, the message preview tries to use colors from the selected theme
to be drawn consistently (or close to) the other widgets. The problem is
that the theme definitions do not always define colors (in this case
background colors), thus the returned value is a default color, black.
So the problem is unreliability on colors of theme definitions. One
case, I notices, was when the theme defines background image, with no
"fallback" color for the widget, but Evolution requires the color.

As you mentioned, all other preinstalled themes work correctly for you,
which shows that the actual issue is with the theme you chose to use.
The theme is just a css definition, thus it might be doable to edit it
and add the background color definition for the widgets, namely for
toolbar (see the above bug report and the attached patch there). Maybe
ask theme authors to add them, or to tell you where you can add it.
Theme editing is out of my knowledge, thus I cannot guide you precisely.
        Bye,
        Milan