tmux.conf

#=================================================
# Environment setup
#=================================================
# make tmux display things in 256 colors
set -g default-terminal "screen-256color"

# set scrollback history to 10000 (10k)
set -g history-limit 10000

# set Ctrl-\ as the default prefix key combination
# and unbind C-b to free it up
set -g prefix C-'\'
unbind C-b
bind C-'\' send-prefix

# scrolling with terminal scroll bar
set -g terminal-overrides 'xterm*:smcup@:rmcup@'

# shorten command delay
set -sg escape-time 1

# set window and pane index to 1 (0 by default)
set-option -g base-index 1
setw -g pane-base-index 1

# enable mouse
setw -g mouse on


#=================================================
# Key Bindings
#=================================================
# reload ~/.tmux.conf using PREFIX r
bind r source-file ~/.tmux.conf \; display "Reloaded!"

# use PREFIX | to split window horizontally and PREFIX - to split vertically
unbind |
unbind %
bind | split-window -h
bind - split-window -v

# Make the current window the first window
bind T swap-window -t 1

# resize panes using PREFIX H, J, K, L
bind H resize-pane -L 5
bind J resize-pane -D 5
bind K resize-pane -U 5
bind L resize-pane -R 5

# 24 hour clock
setw -g clock-mode-style 24

# kill K k
unbind K
bind K confirm-before "kill-window"
unbind k
bind k confirm-before "kill-window"

# :kB: focus up
unbind Tab
bind Tab select-pane -t:.+
unbind BTab
bind BTab select-pane -t:.-

# " windowlist -b
unbind '"'
bind '"' choose-window

# some copy paste
# move x clipboard into tmux paste abuffer
bind C-p run "xclip -o | tmux load-buffer -"
# move tmux copy buffer into x clipboard
bind C-y run "tmux save-buffer - | xclip -i -selection clipboard"

# quick view of processes
bind-key "~" split-window -h "exec htop"

# toggle mouse mode
unbind [
bind [ set mouse off
unbind ]
bind ] set mouse on


# function keys
unbind -n F5
unbind -n F6
unbind -n F7
unbind -n F8
unbind -n F9
unbind -n F10
unbind -n F11
bind-key F5 split-window -h
bind-key F6 split-window -v
bind-key F7 kill-pane
bind-key F8 select-pane -t :.+

bind-key F9 command-prompt "rename-window %%"
bind-key F10 new-window
bind-key F11 kill-window
bind-key F12 select-window -t :+

# C-\ C-\ switches to last window
bind-key C-'\' last-window

#=================================================
# Colour schemes
#=================================================
# set pane colors - highlight the active pane
set-option -g pane-border-style "fg=colour235"
set-option -g pane-active-border-style "fg=colour240"

# colorize messages in the command line
set-option -g message-style "bg=black,fg=brightred"

#=================================================
# Status Bar
#=================================================
set -g status on                       # turn the status bar on
set -g status-interval 5               # set update frequencey (default 15 seconds)
set -g status-justify left             # left justify window list for clarity
set -g status-position bottom          # position the status bar at bottom of screen
set -g renumber-windows on             # automatically renumber windows when closed

# visual notification of activity in other windows
setw -g monitor-activity on
set -g visual-activity off
set -g visual-silence off
set -g visual-bell off

# set colour for status bar
set -g status-style "bg=colour235,fg=yellow,dim"

# set window list colours
setw -g window-status-style "bg=colour236,fg=yellow,dim"
setw -g window-status-format ' #I:#W#F '

setw -g window-status-current-style "bg=colour238,fg=colour82,bold"

# show date and time on right side of status bar
set -g status-right-length 60
set -g status-left-length 60
set -g status-right "#[fg=colour233,bg=#e57373,bold] #h #[fg=colour233,bg=colour241,bold] %d %b %Y #[fg=colour233,bg=colour245,bold] %H:%M "