tmux.conf

# remap prefix to Control + a
set -g prefix C-a

# tmux prefix
unbind C-b
bind C-a send-prefix

# Keys
bind k confirm kill-window
bind K confirm kill-server
bind % split-window -h
# bind : split-window -v
bind < resize-pane -L 1
bind > resize-pane -R 1
bind - resize-pane -D 1
bind + resize-pane -U 1
bind . command-prompt
bind a last-window
bind space command-prompt -p index 'select-window'
bind r source-file ~/.tmux.conf

# start window index at 1
set -g base-index 1

# Enable mouse movements
set -g mouse on

# Enable xterm CTRL keys
set-window-option -g xterm-keys on

# start pane index at 1
setw -g pane-base-index 1

set-option -g default-command "reattach-to-user-namespace -l zsh" # or bash...
bind C-c run "tmux save-buffer - | reattach-to-user-namespace pbcopy"
bind C-v run "reattach-to-user-namespace pbpaste | tmux load-buffer - && tmux paste-buffer"

# Window options
# highlight window when it has new activity
setw -g monitor-activity on
set -g visual-activity on
setw -g automatic-rename off

set-option -g allow-rename off

# re-number windows when one is closed
set -g renumber-windows on

# add some programs to tmux resurrect list to be persisted
set -g @resurrect-processes 'ssh psql mysql sqlite3'
set -g @resurrect-processes 'irb pry "~rails server" "~rails console"'
set -g @resurrect-strategy-vim 'session'
set -g @resurrect-save-bash-history 'on'
set -g @resurrect-capture-pane-contents 'on'

# enable pbcopy and pbpaste
# https://github.com/ChrisJohnsen/tmux-MacOSX-pasteboard/blob/master/README.md
# set-option -g default-command 'reattach-to-user-namespace -l zsh'

###########################
## Status Bar
############################

# enable UTF-8 support in status bar
set -g status-utf8 on

# set refresh interval for status bar
set -g status-interval 30

# center the status bar
set -g status-justify left

# show session, window, pane in left status bar
set -g status-left-length 40
set -g status-left '#[fg=green]#S#[fg=blue] #I:#P#[default]'

# show hostname, date, time, and battery in right status bar
set-option -g status-right '#[fg=green]#H#[default] %m/%d/%y %I:%M\
#[fg=red]#(battery discharging)#[default]#(battery charging)']

# force a reload of the config file
unbind r
bind r source-file ~/.tmux.conf

# quick pane cycling
unbind ^A
bind ^A select-pane -t :.+

# tmux resurrect
run-shell ~/Sources/tmux/resurrect.tmux

# set vi for PREFIX [ navigation
setw -g mode-keys vi

###########################
# Colors
###########################

# color status bar
set -g status-bg colour235
set -g status-fg white

# highlight current window
set-window-option -g window-status-current-fg black
set-window-option -g window-status-current-bg green

# set color of active pane
set -g pane-border-fg colour235
set -g pane-border-bg black
set -g pane-active-border-fg green
set -g pane-active-border-bg black

# color scheme (styled as vim-powerline)
set -g status-left-length 52
set -g status-right-length 451
set -g status-fg white
set -g status-bg colour234
set -g pane-border-fg colour245
set -g pane-active-border-fg colour39
set -g message-fg colour16
set -g message-bg colour221
set -g message-attr bold
set -g status-left '#[fg=colour235,bg=colour252,bold] ❐ #S #[fg=colour252,bg=colour238,nobold]⮀#[fg=colour245,bg=colour238,bold] #(whoami) #[fg=colour238,bg=colour234,nobold]⮀'
set -g window-status-format "#[fg=colour235,bg=colour252,bold] #I #W "
set -g window-status-current-format "#[fg=colour234,bg=colour39]⮀#[fg=black,bg=colour39,noreverse,bold] #I: #W #[fg=colour39,bg=colour234,nobold]∆"

# PLUGINS # add powerline-config to path
run "powerline-config tmux setup"

# List of plugins
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'tmux-plugins/tmux-cpu'
set -g @plugin 'tmux-plugins/tmux-battery'
set -g @plugin 'tmux-plugins/tmux-online-status'
set -g @plugin 'nhdaly/tmux-scroll-copy-mode'

# status
set -g status-right 'CPU: #{cpu_icon} #{cpu_percentage} | Online: #{online_status} | Batt: #{battery_icon} #{battery_percentage} #{battery_remain} | %a %h-%d %H:%M '

# Initialize TMUX plugin manager (keep this line at the very bottom of tmux.conf)
run '~/.tmux/plugins/tpm/tpm'