Re: how to set background color for vim terminal

Lifepillar wrote:

> On 28/08/2017 00:13, Bram Moolenaar wrote:
> >
> > Marcin Szamotulski wrote:
> >
> >> I was looking how to set up background color for the `:termainal` (on
> >> linux). I cannot find proper documentation on how to adjust libvterm.
> >
> > The program you run in the terminal can change the background.
> > Otherwise the same background as Vim is used.
> >
> > Note that on Mac it appears to be impossible to set the background color
> > to white. That's a problem with Terminal.app.
>
> In both Terminal.app and iTerm2 with notermguicolors, the terminal
> background is set to Vim's background, as you say. Not all of the 256
> colors look right, though. Attached you find a screenshot: the
> colorscheme is Solarized 8, although the particular colorscheme should
> not matter. See how a few of the 256 colors are out of place, and also
> a shade of gray is wrong. Of the system colors, Normal White (color 7)
> and Bright Black (color 8) are grey instead of Solarized white
> (#EEE8D5) and Solarized black (#333344), respectively. Note that this
> is what I see also in iTerm2, so this does not appear to be
> a terminal-specific problem (or, both terminals have the same issue).

Color 7 is supposed to be grey, but color 15 is supposed to be white.
You can try this with:
:hi Normal ctermbg=15

Has nothing to do with the terminal feature. This is with t_Co set to
256, which should be correct for Terminal.app.

> In iTerm2 with termguicolors, the terminal does not seem to inherit
> the colorscheme's colors, but it appears to always use default colors
> (the 256 color palette looks right in this case). In particular, the
> background is always white or black, depending on the value of
> 'background' at the moment the terminal is started. See the other two
> attachments. This is also what I see in MacVim.
>
> Finally, I have tried NeoVim's terminal for comparison, and colors
> appear to look right under all circumstances. So, it is definitely not
> "impossible" to correctly set all the 16 system colors (but, maybe,
> NeoVim is doing something hackish?).


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