CODEWITHSUNDEEP
terminalneovim
vitvly
vitvly

Reputation: 3638

Ctrl-h mapping in Neovim's terminal emulator

I've enabled the following mappings in my init.vim:

tnoremap <Esc> <C-\><C-n>
tnoremap <C-h> <C-\><C-n><C-w>h
tnoremap <C-j> <C-\><C-n><C-w>j
tnoremap <C-k> <C-\><C-n><C-w>k
tnoremap <C-l> <C-\><C-n><C-w>l

nnoremap <C-h> <C-w>h
nnoremap <C-j> <C-w>j
nnoremap <C-k> <C-w>k
nnoremap <C-l> <C-w>l

These greatly improve windows navigation in Vim.

However, I've noticed that C-h does not work as expected when executed in terminal buffer. Trying this on a usual terminal session results in Backspace action. So probably it seems to be one of these alternative key combinations, like C-i for Tab or C-[ for Esc. But is there any way to make C-h work in Neovim's terminal session as per my bindings?

Thanks!

Upvotes: 1

Views: 1154

Answers (1)

vitvly
vitvly

Reputation: 3638

This issue has already been extensively debated here. Original Vim does not rely on terminfo and includes its own patch for correct handling of C-h sequences. Neovim does look at terminfo though.

Briefly, the fix is executing these commands in the shell:

infocmp $TERM | sed 's/kbs=^[hH]/kbs=\\177/' > $TERM.ti
tic $TERM.ti

Upvotes: 3

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