1

For a while, I'd been using :nnoremap <C-H> <C-W>h and :tnoremap <C-H> <C-W>h, et. al. to switch windows. This was working great, so when I started using tabs, I decided to expand this mapping to also switch tabs when I reached the edge of the screen. To do that, I wrote the following:

function! WinTabSwitch(direction)
    let info = getwininfo(win_getid())[0]
    if a:direction == 'h' && info.wincol <= 1
        execute 'tabprev|99wincmd l'
    elseif a:direction == 'l' && info.wincol + info.width >= &columns
        execute 'tabnext|99wincmd h'
    else
        execute 'wincmd '.a:direction
    endif
endfunction

nnoremap <silent> <C-H> :call WinTabSwitch('h')<CR>
nnoremap <silent> <C-J> :call WinTabSwitch('j')<CR>
nnoremap <silent> <C-K> :call WinTabSwitch('k')<CR>
nnoremap <silent> <C-L> :call WinTabSwitch('l')<CR>

This works great, except when I'm trying to leave a terminal window. To fix that, I use these mappings,

tnoremap <silent> <C-H> <C-W>N:call WinTabSwitch('h')<CR>
tnoremap <silent> <C-J> <C-W>N:call WinTabSwitch('j')<CR>
tnoremap <silent> <C-K> <C-W>N:call WinTabSwitch('k')<CR>
tnoremap <silent> <C-L> <C-W>N:call WinTabSwitch('l')<CR>

but the unfortunate side effect is that the terminal window is left in Terminal-Normal mode. Is there a way to either

  1. return to Terminal-Job mode after leaving the terminal window (After reading :h Terminal-Normal, I have my doubts.), or
  2. call the function without leaving Terminal-Job mode?
2

Sure—use <C-w>: in your terminal mappings to get a colon command line instead of "escaping" to normal mode:

tnoremap <silent> <C-H> <C-W>:call WinTabSwitch('h')<CR>
  • Awesome! Thank you very much. – Phil R Oct 4 at 12:42

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