.tmux.conf

# Ring the bell if any background window rang a bell
set -g bell-action any

# Default termtype. If the rcfile sets $TERM, that overrides this value.
set -g default-terminal tmux-256color-italic
#set -g terminal-overrides ',tmux-256color-italic:Tc'
set -ga terminal-overrides ',*256col*:Tc'

# Keep your finger on ctrl, or don't
bind-key ^D detach-client

# Create splits and vertical splits
bind-key v split-window -h
bind-key ^V split-window -h
bind-key s split-window
bind-key ^S split-window

# Pane resize in all four directions using vi bindings.
# Can use these raw but I map them to shift-ctrl-<h,j,k,l> in iTerm.
bind-key J resize-pane -D
bind-key K resize-pane -U
bind-key H resize-pane -L
bind-key L resize-pane -R

# Pane resize in the four directions using ctrl+shift+arrow-key
bind-key -n C-S-Up resize-pane -U 15
bind-key -n C-S-Down resize-pane -D 15
bind-key -n C-S-Left resize-pane -L 25
bind-key -n C-S-Right resize-pane -R 25

# Use vi keybindings for tmux commandline input.
# Note that to get command mode you need to hit ESC twice...
set -g status-keys vi

# Use vi keybindings in copy and choice modes
setw -g mode-keys vi

# easily toggle synchronization (mnemonic: e is for echo)
# sends input to all panes in a given window.
bind e setw synchronize-panes on
bind E setw synchronize-panes off

# set first window to index 1 (not 0) to map more to the keyboard layout...
#set-option -g base-index 1
set-option -g base-index 0
#set-window-option -g pane-base-index 1
set-window-option -g pane-base-index 0

# onedark colour scheme, material design
onedark_black="#282c34"
onedark_blue="#61afef"
onedark_yellow="#e5c07b"
onedark_red="#e06c75"
onedark_white="#aab2bf"
onedark_green="#98c379"
onedark_visual_grey="#3e4452"
onedark_comment_grey="#5c6370"

# 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-style fg=colour245
set -g pane-active-border-style fg=colour39
set -g message-style fg=colour16,bg=colour221,bold
# Status line without username:
set -g status-left '#[fg=colour235,bg=colour252,bold] ❐ #S #[fg=colour252,bg=colour234,nobold]'
set -g window-status-format "#[fg=colour252,bg=colour234,nobold] #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]"
set -g window-status-separator ""
set -g status-right '#(hostname) #[bg=#bbbbbb]#[fg=#000000] #(cut -d " " -f -3 /proc/loadavg) #[bg=#4e4e4e]#[fg=#ffffff]#(date +" %H:%M ")'

# Patch for OS X pbpaste and pbcopy under tmux.
#set-option -g default-command "which reattach-to-user-namespace > /dev/null && reattach-to-user-namespace -l $SHELL || $SHELL"

# Screen like binding
unbind C-b
set -g prefix C-a
bind a send-prefix

# No escape time for vi mode
set -sg escape-time 0

# Screen like binding for last window
unbind l
bind C-a last-window

# Bigger history
set -g history-limit 10000

# Automatically copy a handful of useful environment variables so you won't loose ssh-agent for example
set -g update-environment -r

# Fix for shift-keys with Fn; needs correct terminfo too
setw -g xterm-keys on

# Mouse support for resizing and selecting panes, default to off; not needed for 2.2 and up
if-shell "if [[ `tmux -V | cut -d' ' -f2` -lt 2.1 ]]; then true; else false; fi" \
    'set -g mouse off; set -g mouse-utf8 off'

# toggle mouse mode to allow mouse copy/paste
# set mouse on with prefix m
bind m \
    set -g mouse on \;\
    #set -g mouse-utf8 on \;\
    display 'Mouse: ON'
# set mouse off with prefix M
bind M \
    set -g mouse off \;\
    #set -g mouse-utf8 off \;\
    display 'Mouse: OFF'
# zoom this pane to full screen
bind + \
    new-window -d -n tmux-zoom 'clear && echo TMUX ZOOM && read' \;\
    swap-pane -s tmux-zoom.0 \;\
    select-window -t tmux-zoom
# restore this pane
bind - \
    last-window \;\
    swap-pane -s tmux-zoom.0 \;\
    kill-window -t tmux-zoom

# Local config
if-shell "[ -f ~/.tmux.conf.user ]" 'source ~/.tmux.conf.user'

# reload config with leader-r
bind r source-file ~/.tmux.conf \; display-message "Config reloaded..."