feat: tmux stuff

config/tmux/plugins/vim-tmux-navigator/vim-tmux-navigator.tmux

@@ -0,0 +1,51 @@
+#!/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
+