dotfiles/config/tmux/plugins/vim-tmux-navigator/vim-tmux-navigator.tmux
2025-04-07 14:42:22 +01:00

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#!/usr/bin/env bash
get_tmux_option() {
local option value default
option="$1"
default="$2"
# NOTE: Older tmux versions (eg. 3.2a on Ubuntu 22.04) do not exit with an
# error code when an option is not defined. Therefore we need to first
# test if the option exists, and only then try to get its value or fall
# back to the default.
value="$([[ -n $(tmux show-options -gq "$option") ]] \
&& tmux show-option -gqv "$option" \
|| echo "$default")"
# Deprecated, for backward compatibility
if [[ $value == 'null' ]]; then
echo ""
return
fi
echo "$value"
}
bind_key_vim() {
local key tmux_cmd is_vim
key="$1"
tmux_cmd="$2"
is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
| grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|l?n?vim?x?|fzf)(diff)?$'"
# sending C-/ according to https://github.com/tmux/tmux/issues/1827
tmux bind-key -n "$key" if-shell "$is_vim" "send-keys '$key'" "$tmux_cmd"
# tmux < 3.0 cannot parse "$tmux_cmd" as one argument, thus copying as multiple arguments
tmux bind-key -T copy-mode-vi "$key" $tmux_cmd
}
move_left="$(get_tmux_option "@vim_navigator_mapping_left" 'C-h')"
move_right="$(get_tmux_option "@vim_navigator_mapping_right" 'C-l')"
move_up="$(get_tmux_option "@vim_navigator_mapping_up" 'C-k')"
move_down="$(get_tmux_option "@vim_navigator_mapping_down" 'C-j')"
move_prev="$(get_tmux_option "@vim_navigator_mapping_prev" 'C-\')"
for k in $(echo "$move_left"); do bind_key_vim "$k" "select-pane -L"; done
for k in $(echo "$move_down"); do bind_key_vim "$k" "select-pane -D"; done
for k in $(echo "$move_up"); do bind_key_vim "$k" "select-pane -U"; done
for k in $(echo "$move_right"); do bind_key_vim "$k" "select-pane -R"; done
for k in $(echo "$move_prev"); do bind_key_vim "$k" "select-pane -l"; done
# Restoring clear screen
clear_screen="$(get_tmux_option "@vim_navigator_prefix_mapping_clear_screen" 'C-l')"
for k in $(echo "$clear_screen"); do tmux bind "$k" send-keys 'C-l'; done