.tmux.conf

# run "$ tmux source-file ~/.tmux.conf" to reload settings

set-option -g base-index 1
set-window-option -g pane-base-index 1
#set -g mouse on

#==================================================
# Appearance
#==================================================
#set -g default-terminal "tmux-256color"
#set -ag terminal-overrides ",xterm-256color:RGB"

#==================================================
# Key bindings
#==================================================

set -g prefix C-f
unbind C-b
unbind C-d

# split window
bind | split-window -h
bind ¥ split-window -h
bind - split-window -v

bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

# resize pane
bind -r H resize-pane -L 5
bind -r J resize-pane -D 5
bind -r K resize-pane -U 5
bind -r L resize-pane -R 5

# Open current directory
bind o run-shell "open #{pane_current_path}"

setw -g mode-keys vi
bind -T copy-mode-vi v send -X begin-selection

#==================================================
# vim-tmux-navigator setting
#==================================================

# Smart pane switching with awareness of Vim splits.
# See: https://github.com/christoomey/vim-tmux-navigator
is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
    | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"
bind-key -n 'C-h' if-shell "$is_vim" 'send-keys C-h'  'select-pane -L'
bind-key -n 'C-j' if-shell "$is_vim" 'send-keys C-j'  'select-pane -D'
bind-key -n 'C-k' if-shell "$is_vim" 'send-keys C-k'  'select-pane -U'
bind-key -n 'C-l' if-shell "$is_vim" 'send-keys C-l'  'select-pane -R'
tmux_version='$(tmux -V | sed -En "s/^tmux ([0-9]+(.[0-9]+)?).*/\1/p")'
if-shell -b '[ "$(echo "$tmux_version < 3.0" | bc)" = 1 ]' \
    "bind-key -n 'C-\\' if-shell \"$is_vim\" 'send-keys C-\\'  'select-pane -l'"
if-shell -b '[ "$(echo "$tmux_version >= 3.0" | bc)" = 1 ]' \
    "bind-key -n 'C-\\' if-shell \"$is_vim\" 'send-keys C-\\\\'  'select-pane -l'"

bind-key -T copy-mode-vi 'C-h' select-pane -L
bind-key -T copy-mode-vi 'C-j' select-pane -D
bind-key -T copy-mode-vi 'C-k' select-pane -U
bind-key -T copy-mode-vi 'C-l' select-pane -R
bind-key -T copy-mode-vi 'C-\' select-pane -l