Ctrl-h broken when running tmux #748

New Issue

2022-08-04T12:24:21+02:00

Maroloccio commented

2022-08-04 12:24:21 +02:00

(Migrated from github.com)

Hi. The following problem (i.e. "Ctrl-h broken inside tmux") happens only if the terminal is cool-retro-term, and does not if it is gnome-terminal:

$ pstree -Aas $$
systemd
  `-systemd --user
      `-gnome-shell
          `-cool-retro-term
              `-bash
                  `-pstree -Aas 80625

I normally run my cool-retro-term with this command for new windows:

bash -c 'TERM=xterm-256color bash -l'

but to help reproducibility of this issue I removed this customisation, which is the only one I make, so:

$ echo "$TERM"
xterm

is how I start. I launch mutt without running tmux and my macro:

bind   index,pager  \Ch  sidebar-open

associating an action with Ctrl-h works just fine. If I exit mutt, launch tmux without any customisation (i.e. no .tmux.conf, no other files) and repeat the experiment of opening mutt and trying to press Ctrl-h, the shortcut is not recognised and mutt reports:

Key is not bound. Press '?' for help.

I would like for the terminal not to make a difference in this case so that I may use cool-retro-terminal with mutt and other programs, please.

My tests have been done on Debian GNU/Linux 11 (bullseye) using two versions of cool-retro-term:

$ type -a cool-retro-term
cool-retro-term is /usr/bin/cool-retro-term
cool-retro-term is /bin/cool-retro-term
cool-retro-term is /snap/bin/cool-retro-term

the OS distribution package one:

$ /usr/bin/cool-retro-term -v
cool-retro-term 1.1.1

and the Snap-installed version, which coincides in version for now with the OS package: 1.1.1.

Thanks 🙏 for your work on cool-retro-term and greetings from Italy 🇮🇹.

Hi. The following problem (i.e. "Ctrl-h broken inside `tmux`") happens only if the terminal is `cool-retro-term`, and does not if it is `gnome-terminal`: ```bash $ pstree -Aas $$ systemd `-systemd --user `-gnome-shell `-cool-retro-term `-bash `-pstree -Aas 80625 ``` I normally run my `cool-retro-term` with this command for new windows: ```bash bash -c 'TERM=xterm-256color bash -l' ``` but to help reproducibility of this issue I removed this customisation, which is the only one I make, so: ```bash $ echo "$TERM" xterm ``` is how I start. I launch `mutt` without running `tmux` and my macro: ```bash bind index,pager \Ch sidebar-open ``` associating an action with Ctrl-h works just fine. If I exit `mutt`, launch `tmux` without any customisation (i.e. no `.tmux.conf`, no other files) and repeat the experiment of opening `mutt` and trying to press Ctrl-h, the shortcut is not recognised and `mutt` reports: > Key is not bound. Press '?' for help. I would like for the terminal not to make a difference in this case so that I may use `cool-retro-terminal` with `mutt` and other programs, please. My tests have been done on *Debian GNU/Linux 11 (bullseye)* using two versions of `cool-retro-term`: ```bash $ type -a cool-retro-term cool-retro-term is /usr/bin/cool-retro-term cool-retro-term is /bin/cool-retro-term cool-retro-term is /snap/bin/cool-retro-term ``` the OS distribution package one: ```bash $ /usr/bin/cool-retro-term -v cool-retro-term 1.1.1 ``` and the Snap-installed version, which coincides in version for now with the OS package: `1.1.1`. Thanks :pray: for your work on `cool-retro-term` and greetings from Italy :it:.

Scribler commented

2023-02-16 00:35:38 +01:00

(Migrated from github.com)

I was having this same issue, but I found a solution on unix.stackexchange
It makes tmux send Ctrl-H when Backspace is pressed and solved the issue for me

https://unix.stackexchange.com/questions/180087/why-pressing-ctrl-h-in-xterm-tmux-sends/180106#180106

Just add the following toy $HOME/.tmux.conf file worked:

"
bind-key -n Bspace send-keys C-h
"

This link also had some insite into why it might be happening
https://github.com/christoomey/vim-tmux-navigator/issues/61

hope this helps

I was having this same issue, but I found a solution on unix.stackexchange It makes tmux send Ctrl-H when Backspace is pressed and solved the issue for me https://unix.stackexchange.com/questions/180087/why-pressing-ctrl-h-in-xterm-tmux-sends/180106#180106 Just add the following toy $HOME/.tmux.conf file worked: " bind-key -n Bspace send-keys C-h " This link also had some insite into why it might be happening https://github.com/christoomey/vim-tmux-navigator/issues/61 hope this helps

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Reference: seeseemelk/cool-retro-term#748