Re: Vim + colors inside ConEmu under windows.

On Sep 24, 2013 2:50 PM, "Grégory Pakosz" <gregory.pakosz@gmail.com> wrote:
>
> Hello,
>
> Under Windows, I'm using ConEmu + Vim (either Git bash's vim or vim.exe from the Vim 7.4 Windows installer).
>
> ConEmu is a really great console program for Windows that happens to have kind of xterm 256 colors support.
>
> Inside my .vimrc, I added the following:
>
> if !empty($CONEMUBUILD)
>   set term=xterm
>   set t_Co=256
>   let &t_AB="\e[48;5;%dm"
>   let &t_AF="\e[38;5;%dm"

These are correct lines for setting an option.

> endif
>
> So far so good, I'm happily using Vim with colors inside ConEmu.
>
> However, set term=xterm breaks arrow keys (and also keypad).
>
> As Vim's documentation mentions, Vim under Windows doesn't really understand term being set to something else than 'win32'.
>
> At that point I'm kinda stuck. ConEmu + Vim won't display nice colors unless the configuration lines above are used. For instance not setting term to 'xterm' makes Vim display " ←[38;5;15m←[48;5;233m" escape sequences straight.
>
> From there, I would like to know whether I can improve the hack by "somehow fixing termcaps"
>
> For instance, I noticed in src/term.c:472 defines:
>
>     {K_UP,              "\316H"},
>     {K_DOWN,            "\316P"},
>     {K_LEFT,            "\316K"},
>     {K_RIGHT,           "\316M"},
>
>
> So within Vim inside ConEMU I tried:
>
> set t_ku="\316H"
>
> That totally doesn't work. Also something strange happens:
>
>   1. :set t_ku? --> answers " t_ku <Up>        ^[O*A"
>   2. :set t_ku="\316H" --> nothing happens

And this sets t_ku to an empty string because " starts a comment.

>   3. :set t_ku? --> E518: Unknown option: t_ku?
>
> At that point, I realize many Vim behaviors may be conditioned by term being "win32" or by term being "xterm".
>
> All in all is one of the following doable when inside ConEmu?
>
>   1. set term=xterm and "fix arrow keys"
> or
>   2. keep term=win32 and "fix color display by fixing t_AB, t_AF etc so that it behaves like xterm"
>
> I know it all sounds hairy, but please let me know if you have an idea on how to improve the Vim inside ConEmu situation.
>
> Thank you,
> Gregory
>
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