# ╭──────┬───────╮
# │ tmux │ setup │
# ╰──────┴───────╯

rwx_tmux_setup() {
	local file
	file="${HOME}/.tmux.conf"
	rwx_file_write "${file}" "\
# ╭────────╮
# │ option │
# ╰────────╯

# empty name for windows
set-option -g automatic-rename-format '#{pane_current_command}'
set-option -g automatic-rename on

# first index number
set-option -g base-index 1

# display duration
set-option -g display-time 1536

# extend history limit
set-option -g history-limit 1048576

# style for messages
set-option -g message-style bg=red,fg=white

# activity monitoring
set-window-option -g monitor-activity on

# silence monitoring
set-window-option -g monitor-silence 0

# enable mouse actions
set-option -g mouse on

# prefix with ^B or F12
set-option -g prefix C-b
set-option -g prefix2 F12

# renumber windows after closing one
set-option -g renumber-windows on

# enable title
set-option -g set-titles on

# set title to working directory
set-option -g set-titles-string '\
tmux / \
#{session_name} / \
#{window_index} #{window_name} / \
#{pane_index} #{pane_width}×#{pane_height}\
'

# status lines
set-option -g status 3

# ╭────────┬──────╮
# │ option │ pane │
# ╰────────┴──────╯

# first index number
set-option -g pane-base-index 1

# ╭────────┬──────┬────────╮
# │ option │ pane │ border │
# ╰────────┴──────┴────────╯

# active style
set-option -g pane-active-border-style bg=black,fg=green

# regular style
set-option -g pane-border-style bg=black,fg=gray

# ╭────────┬────────╮
# │ option │ status │
# ╰────────┴────────╯

# background color
set-option -g status-bg black

# foreground color
set-option -g status-fg gray

# first line
set-option -g status-format[0] '\
#{W:\
#{?window_active,#[fg=green],\
#{?window_activity_flag,#[fg=red],#[fg=default]}}\
#{window_index} \
#{window_name}\
#{?window_flags, #{window_flags},}\
  \
}\
#[align=centre]\
#[fg=blue]#{session_name}\
#[align=right] \
#[fg=yellow]%Y-%m-%d\
'

# second line
set-option -g status-format[1] '\
#{P:\
#{?pane_active,#[fg=green],#[fg=default]}\
#{pane_index}\
  \
}\
#[align=centre]\
#[fg=blue]#{pane_width}×#{pane_height}\
#[align=right] \
#[fg=yellow]%H:%M:%S\
'

# third line
set-option -g status-format[2] '\
#[fg=cyan]#{pane_current_path}\
'

# refresh period
set-option -g status-interval 1

# bar location
set-option -g status-position top

# ╭─────╮
# │ key │
# ╰─────╯

# select sessions with Alt & ↑ | ↓
bind-key -n M-Down switch-client -n
bind-key -n M-Up switch-client -p

# ╭─────┬────────╮
# │ key │ prefix │
# ╰─────┴────────╯

# reload configuration
bind-key r source-file ${file} \\; display-message 'source-file ${file}'

# toggle mouse
bind-key t set-option -g mouse \\; display-message 'mouse = #{mouse}'

# ╭─╮
# ╰─╯

# bind key to detach client
bind-key -n F6 detach-client

# swap window with next or previous
bind-key M-Left swap-window -t -1
bind-key M-Right swap-window -t +1

# create new window with F2
bind-key -n F2 new-window
# previous or next window with Alt & ← | →
bind-key -n M-Left previous-window
bind-key -n M-Right next-window

# select panes with Ctrl & Shift & ←↑↓→
bind-key -n C-S-Down select-pane -D
bind-key -n C-S-Left select-pane -L
bind-key -n C-S-Right select-pane -R
bind-key -n C-S-Up select-pane -U

# horizontal split with H
bind-key h split-window -h
# vertical split with V
bind-key v split-window -v
"
}