.tmux.conf

# .tmux.conf

# ===== Set options ===== {{{
# set-option (alias: set)
#   -w: Window option.(equivalent to the set-window-option command)
#   -s: Server option.
#   -g: Global session or window option.
#   -u:  Unsets an option
#   -o: Prevents setting an option that is already set.
#   -q: Suppresses errors about unknown or ambiguous options.
#   -a: If the option expects a string or a style, value is appended to the existing setting.
#
#   * A session inherits the option from the global options
#     (or with -g, restores a global option to the default).

set-option -s escape-time 0

set-window-option -g xterm-keys on
set-window-option -g mode-keys vi
set-window-option -g automatic-rename on

# Update the TERM variable of terminal emulator when creating a new session or attaching a existing session.
set-option -g update-environment 'DISPLAY SSH_ASKPASS SSH_AGENT_PID SSH_CONNECTION WINDOWID XAUTHORITY TERM'
# Determine if we should enable 256-colour support.
if "[[ ${TERM} =~ 256color || ${TERM} == fbterm ]]" 'set-option -g default-terminal screen-256color'
if "[[ ${TERM} =~ 256color || ${TERM} == fbterm ]]" 'set-option -g terminal-overrides "xterm:colors=256"'

set-option -g set-titles on
set-option -g base-index 1
set-option -g pane-base-index 1
set-option -g renumber-windows on
set-option -g history-limit 10000
set-option -g display-panes-time 1500
set-option -g display-time 1500
set-option -g monitor-activity on
set-option -g visual-activity on
# set-option -g alternate-screen off
# set-option -g set-clipboard off

# Mouse.
# set-option -g mouse on
# set-option -g mouse-select-window on
# set-option -g mouse-select-pane on
# set-window-option -g mode-mouse on

# Bell.
set-option -g bell-action none
set-option -g bell-on-alert on
set-option -g visual-bell on

# Screensaver.
set-option -g lock-after-time 3600
set-option -g lock-command 'cmatrix -s -b'
# }}}

# ===== Status line ===== {{{
set-option -g status on
set-option -g status-interval 5
set-option -g status-position bottom
set-option -g status-justify left

# Color:
#   black, red, green, yellow, blue, magenta, cyan, white
#   brightblack, brightred, ..., brightxxxxx
# Reference example to set colors:
#  - https://github.com/seebi/tmux-colors-solarized

# Statusbar colors.
set-option -g status-bg colour235
set-option -g status-fg colour136
set-option -g status-attr default

# Window title colors.
set-window-option -g window-status-fg colour244
set-window-option -g window-status-bg default
# set-window-option -g window-status-attr dim

# Active window title colors.
set-window-option -g window-status-current-fg colour166
set-window-option -g window-status-current-bg default
# set-window-option -g window-status-current-attr bright

# Pane border.
set-option -g pane-border-fg colour235
set-option -g pane-active-border-fg colour240

# Active pane border.
# set -g pane-active-border-fg brightgreen
# set -g pane-active-border-bg black

# Message text.
set-option -g message-bg colour235
set-option -g message-fg colour166

# Pane number display.
set-option -g display-panes-active-colour colour33
set-option -g display-panes-colour colour166

# Copy mode colors.
set-window-option -g mode-fg black
set-window-option -g mode-bg white

# Clock.
set-window-option -g clock-mode-colour colour64
# }}}

# ===== Right/Left Status line ===== {{{
# Character pair     Replaced with.
#  #(shell-command)  First line of the command's output.
#  #[attributes]     Colour or attribute change.
#  #H                Hostname of local host.
#  #h                Hostname of local host without the domain name.
#  #F                Current window flag.
#  #I                Current window index.
#  #D                Current pane unique identifier.
#  #P                Current pane index.
#  #S                Session name.
#  #T                Current pane title.
#  #W                Current window name.
#  ##                A literal `#'.
#
# Date
#  #y year (last 2 digits)
#  #m month
#  #d day
#  #H hour (from 0 to 24)
#  #M minutes
#  #S seconds

# Left.
set -g status-left ' #[fg=white,bold]#I-#P#[default] > #[fg=white,bold]#(whoami)@#H#[default] >'
set -g status-left-length 40
# Right.
set -g status-right '< #[fg=white]#(echo $LANG)#[default] < #[fg=red,bold]%Y/%m/%d(%a) %H:%M:%S#[default] '
set -g status-right-length 50

# tmux-powerline.
# Left.
if -b 'test -f ~/.tmux/tmux-powerline/powerline.sh' 'set-option -g status-left-length 100'
if -b 'test -f ~/.tmux/tmux-powerline/powerline.sh' 'set-option -g status-left "#(~/.tmux/tmux-powerline/powerline.sh left)"'
# Right.
if -b 'test -f ~/.tmux/tmux-powerline/powerline.sh' 'set-option -g status-right-length 100'
if -b 'test -f ~/.tmux/tmux-powerline/powerline.sh' 'set-option -g status-right "#(~/.tmux/tmux-powerline/powerline.sh right)"'
# }}}

# ===== Key bind ===== {{{
#
#  List keys            : <prefix>?
#  List keys -t vi-copy : <prefix>/

# Prefix.
unbind C-b
unbind C-o
set-option -g prefix C-o
bind o send-prefix

bind r source-file ~/.tmux.conf \; display-message 'Reload Config!!'
bind / list-keys -t vi-copy
bind R refresh-client
bind * list-clients
bind d detach

# Window.
bind c new-window
bind w choose-window

bind h previous-window
bind j previous-window
bind k next-window
bind l next-window
bind -r Space next-window
bind C-o run 'tmux last-pane || tmux last-window'
bind ^a last-window

bind s split-window -v
bind v split-window -h

bind A command-prompt -I '#W' 'rename-window %%'

bind ^q confirm-before -p 'kill-window #W? (y/n)' kill-window
bind \  confirm-before -p 'kill-server? (y/n)' kill-server

# Select pane.
bind -r Tab  select-pane -t :.+
bind -r BTab select-pane -t :.-
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 6
bind -r J resize-pane -D 6
bind -r K resize-pane -U 6
bind -r L resize-pane -R 6

bind b break-pane

# Join Pane
# Move the current pane to specified position. (-t: target)
# :join-pane -h -t [session]:[window].[pane]
# Move the specified pane to current window with. (-s: source)
# :join-pane -v -t -s :1.2
# * -h: Horizontal split.
# * -v; Vertical split

# Copy-mode.
bind ^y copy-mode \; display-message '* Copy Mode *'
bind -r ^"[" copy-mode
bind    y    run-shell 'tmux-pbcopy'
bind    p    paste-buffer
bind -r ^]   paste-buffer

# Copy a line.
bind-key -t vi-copy Y copy-line
# Rectangle copy mode.
bind-key -t vi-copy C-v rectangle-toggle

# Move to start/end of line like emacs.
bind-key -t vi-copy C-a start-of-line
bind-key -t vi-copy C-e end-of-line

# Move to top/bottom line like vim.
bind-key -t vi-copy g   top-line
bind-key -t vi-copy C-g history-top
bind-key -t vi-copy G   bottom-line

# Setup 'v' to begin selection as in Vim.
# bind-key -t vi-copy v begin-selection
# bind-key -t vi-copy y copy-pipe 'tmux-pbcopy'

# Update default binding of `Enter` to also use copy-pipe.
# unbind -t vi-copy Enter
bind-key -t vi-copy Enter copy-pipe 'tmux-pbcopy'

# percol.
bind b split-window "tmux lsw | percol --initial-index $(tmux lsw | awk '/active.$/ {print NR-1}') | cut -d':' -f 1 | xargs tmux select-window -t"
bind B split-window "tmux ls | percol --initial-index $(tmux ls | awk '/attached.$/ {print NR-1}') | cut -d':' -f 1 | xargs tmux switch-client -t"

# Unbind keys.
# suspend client
unbind ^z
# break-pane
unbind !
# split-window
unbind "\""
# split-window -h
unbind %
# kill-window
unbind &

# zsh pbcopy.(Mac only)
# set-option -g default-command 'type reattach-to-user-namespace > /dev/null 2>&1 && reattach-to-user-namespace -l zsh || $SHELL'
# }}}

# ===== tmux-ressurect ===== {{{
if -b 'test -f ~/.tmux/tmux-resurrect/resurrect.tmux' 'run-shell ~/.tmux/tmux-resurrect/resurrect.tmux'
# }}}