[Bug report] Cycle-free navigation in tmux panes could not be enabled? about tmux.nvim HOT 5 CLOSED

@aserowy Let me see if I can help with this and/or take it over. Sucks that you're not using tmux anymore!

@kohane27 can you please run in vim/neovim :nmap <A-h> (along with the other keys) and let me know what command those keys are mapped to?

Have you installed any other plugins recently?

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@Normanras

tyvm!

I mean, i am not using tmux anymore because i switched my working environment to linux completly :) i would say this is a good thing :D

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Hello guys! I figured it out.

TL;DR: it was a keybinding conflict with a tmux plugin I use called tmux-tilish.

The following maybe helpful for debugging if you have similar problems:

If you achieve cycle-free navigation in nvim, it means it's not a problem with tmux.nvim. The problem very likely lies within your tmux config.

Try the default keybindings outlined in tmux.nvim#navigation. Do not remap the keys just yet. Remember to tmux kill-sever to make sure tmux reloads the changes. If it works, then it means you have keybinding conflicts within your tmux environment. This was my case.

If you happened to use tmux-tilish that was causing this issue for me, go to its source code and comment out the following:

# Switch to pane via Alt + hjkl.
tmux $bind "${mod}${h}" select-pane -L
tmux $bind "${mod}${j}" select-pane -D
tmux $bind "${mod}${k}" select-pane -U
tmux $bind "${mod}${l}" select-pane -R

You also need to set set -g @tilish-navigator 'off' and add cycle-free navigation outlined in tmux.nvim#navigation to your .tmux.conf. The full code:

set -g @tilish-navigator 'off'

is_vim="ps -o state= -o comm= -t '#{pane_tty}' | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"

# navigation
bind-key -n 'M-h' if-shell "$is_vim" 'send-keys M-h' { if -F '#{pane_at_left}' '' 'select-pane -L' }
bind-key -n 'M-j' if-shell "$is_vim" 'send-keys M-j' { if -F '#{pane_at_bottom}' '' 'select-pane -D' }
bind-key -n 'M-k' if-shell "$is_vim" 'send-keys M-k' { if -F '#{pane_at_top}' '' 'select-pane -U' }
bind-key -n 'M-l' if-shell "$is_vim" 'send-keys M-l' { if -F '#{pane_at_right}' '' 'select-pane -R' }

bind-key -T copy-mode-vi 'M-h' if -F '#{pane_at_left}' '' 'select-pane -L'
bind-key -T copy-mode-vi 'M-j' if -F '#{pane_at_bottom}' '' 'select-pane -D'
bind-key -T copy-mode-vi 'M-k' if -F '#{pane_at_top}' '' 'select-pane -U'
bind-key -T copy-mode-vi 'M-l' if -F '#{pane_at_right}' '' 'select-pane -R'

Reload and it should work. Cheers!

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Heho,

the config seems fine. Currently im not using tmux in my workflow anymore. Thus, i have no idea why it stopped working :D
To get a better grasp: What tmux version are you using? Maybe we have an issue on this end, because #{pane_at_left} should resolve only if there is a pane at the left.

Kinde regards
Alexander

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@Normanras

Thank you for taking a look into this. I appreciate it:)

:nmap <A-h>
n  <M-h>       * <Cmd>lua require("tmux").move_left()<CR>

:nmap <A-l>
n  <M-h>       * <Cmd>lua require("tmux").move_right()<CR>

:nmap <A-j>
n  <M-h>       * <Cmd>lua require("tmux").move_bottom()<CR>

:nmap <A-k>
n  <M-h>       * <Cmd>lua require("tmux").move_top()<CR>

The problem is not within neovim; it's that I can't disable pane cycling within two terminals (like I shown in first video). Pane cycling is indeed disabled in two neovim buffers (like I shown in second video).

I haven't installed any other plugins recently.

Config:
NVIM v0.7.2
tmux 3.3a

Thank you again!

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