On 2021-02-18, lacygoill wrote:
> Or maybe we need some new sequence to query the name of the outer
> terminal from tmux...
You can prefix the normal escape sequence with <Esc>Ptmux;<Esc> to
go though tmux to the outer terminal. I still have this in my vimrc
from some earlier experiments:
" Released in tmux v1.5 (2011-07-09):
"
" Support passing through escape sequences to the underlying
" terminal by using DCS with a "tmux;" prefix.
"
" Note that this must be set _after_ any setting of 'term'
" because setting 'term' also sets dependent termcap
" variables including 't_RV'.
"
if exists("$TMUX")
let &t_RV = "\ePtmux;\e\e[>c\e\\"
endif
The problem with it is that TMUX is not normally exported by an ssh
server, but if that's not a problem for the OP, then this technique
should work for t_RB as well.
I didn't like that Vim wouldn't know the terminal type until after
vimrc had been processed, so I added the termresponse query to my
.bashrc and set a TERMRESPONSE environment variable to the response.
My vimrc then uses $TERMRESPONSE to make various terminal-dependent
settings.
Regards,
Gary
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