Re: Win32 Vim inside MSYS Tmux doesn't interpret C-h

On Sa, 08 Jul 2023, Enan Ajmain wrote:

> This is an edgecase. I am using win32 version of Vim (built with gcc of
> mingw-w64) inside Tmux provided by msys. In it C-h isn't interpreted as
> it is done outside Tmux. I have this keymap:
>
> nnoremap <C-h> <C-w>h
>
> And it doesn't take effect in win32-vim in tmux.

Have you tried explicitly typing <C-h>?

> I also have an unix version of vim, built with gcc from msys. By "unix
> version," I mean it runs on msys shell with its unix layer. This
> version of vim, unix-vim, interprets <C-h> inside tmux properly. Vim
> inside Tmux on native Linux also interprets <C-h> properly.
>
> Although few if anyone use win32 Vim inside Tmux, so this issue is not
> really an issue, but I am curious as to what's going on, if anyone here
> can shed some light.

Well, it may be, that Vim just receives <C-?> instead of <C-h>. Vim even
has its own method of fixing this by using the :fixdel command. Nowadays
one usually uses stty erase ^? or similar to configure the backspace
thing (or one configures the terminal directly what it should send for
backspace).

Long are the times gone, when I needed to fiddle with that ;)

So I would first try inside vim, what is actually printed when typing in
insert mode <C-V><Backspace> and from there we can continue.

Best,
Christian
--
Zu viel Zeit mit Studieren verbringen, ist Faulheit; es nur als
Schmuck zu verwenden - Affektiertheit; nur danach zu urteilen -
Gelehrtenwahn.
-- Francis Bacon

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