tmux.conf

# set Zsh as your default Tmux shell
set-option -g default-shell /bin/zsh

# act like GNU screen
unbind C-b
set -g prefix C-a

bind-key C-a send-prefix
unbind -n 'C-\'

# automatically set window title
#setw -g automatic-rename off
set-option -g allow-rename off

# make mouse useful
set-option -g mouse on

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

# 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 :.+

# title A
unbind A
bind A command-prompt "rename-window %%"

# split windows like vim
# vim's definition of a horizontal/vertical split is reversed from tmux's
bind-key v split-window -h -c "#{pane_current_path}"
bind-key s split-window -v -c "#{pane_current_path}"

# act like vim
setw -g mode-keys vi
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R
bind-key -r C-h select-window -t :-
bind-key -r C-l select-window -t :+
bind-key -r < resize-pane -L 4
bind-key -r > resize-pane -R 4
bind - resize-pane -D 4
bind + resize-pane -U 4

# disable repeat on cursors
bind-key Up    select-pane -U
bind-key Down  select-pane -D
bind-key Left  select-pane -L
bind-key Right select-pane -R


# status indicators
set -g status-right '#(uptime | cut -d, -f 2-)'

#### COLOUR

# look good
set -g default-terminal "screen-256color"
# set -g default-terminal "xterm"

# # default statusbar colors
setw -g status-style "bg=colour235, fg=colour166, default"

# default window title colors
setw -g window-status-style "fg=colour244, bg=default, dim"

# active window title colors
setw -g window-status-current-style "fg=colour166, bg=default"

# set inactive/active window styles
# with help from http://www.deanbodenham.com/learn/tmux-pane-colours.html
# set -g window-style 'bg=colour233'
# set -g window-active-style 'bg=black'
#
# set -g pane-border-bg colour232
# set -g pane-border-fg colour238
# set -g pane-active-border-bg colour233
# set -g pane-active-border-fg colour166
#
# # pane border
# set-option -g pane-border-fg colour236 #base02
# set-option -g pane-active-border-fg colour240 #base01
#
# # message text
# set-option -g message-bg colour235 #base02
# set-option -g message-fg colour166 #orange

# pane number display
set-option -g display-panes-active-colour colour33 #blue
set-option -g display-panes-colour colour166 #orange# force a reload of the config file

# Updated to make sure that when Chrome is launched from tmux, it works correctly
# See: https://savanne.be/804-running-karma-and-chrome-under-tmux-on-osx/
# if-shell "uname | grep -q Darwin" "set-option -g default-command \"reattach-to-user-namespace -l zsh\""

# Smart pane switching with awareness of vim splits
# is_vim='echo "#{pane_current_command}" | grep -iqE "(^|\/)g?(view|n?vim?)(diff)?$"'
is_vim="ps -o state= -o comm= -t '#{pane_tty}' | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"
bind -n C-h if-shell "$is_vim" "send-keys C-h" "select-pane -L"
bind -n C-j if-shell "$is_vim" "send-keys C-j" "select-pane -D"
bind -n C-k if-shell "$is_vim" "send-keys C-k" "select-pane -U"
# bind -n C-l if-shell "$is_vim" "send-keys C-l" "select-pane -R"
# bind -n C-\ if-shell "$is_vim" "send-keys C-\\" "select-pane -l"
#

# Bring back clear screen under tmux prefix
bind C-l send-keys 'C-l'

bind P paste-buffer
bind-key -T copy-mode-vi 'v' send -X begin-selection
bind-key -T copy-mode-vi 'y' send -X copy-selection
bind-key -T copy-mode-vi 'r' send -X rectangle-toggle

bind-key L last-window

# Set environment variable for SSH_AUTH_SOCK
# uncomment to allow tmux to play nicely with forwarded ssh creds
# set-environment -g 'SSH_AUTH_SOCK' ~/.ssh/ssh_auth_sock