.tmux.conf

# Act like Vim
set-window-option -g mode-keys vi

# Automatic window rename
set-window-option -g automatic-rename

# Smart pane switching with awareness of Vim splits.
# See: https://github.com/christoomey/vim-tmux-navigator
is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
    | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"
bind-key -n M-h if-shell "$is_vim" "send-keys C-h"  "select-pane -L"
bind-key -n M-j if-shell "$is_vim" "send-keys C-j"  "select-pane -D"
bind-key -n M-k if-shell "$is_vim" "send-keys C-k"  "select-pane -U"
bind-key -n M-l if-shell "$is_vim" "send-keys C-l"  "select-pane -R"
bind-key -T copy-mode-vi M-h select-pane -L
bind-key -T copy-mode-vi M-j select-pane -D
bind-key -T copy-mode-vi M-k select-pane -U
bind-key -T copy-mode-vi M-l select-pane -R

# New window/pane opens the same path
bind c new-window -c "#{pane_current_path}"
bind v split-window -h -c "#{pane_current_path}"
bind s split-window -v -c "#{pane_current_path}"

# Reload config file 
bind r source-file /etc/tmux.conf

# vi-mode copy
bind-key -T copy-mode-vi 'v' send -X begin-selection
bind-key -T copy-mode-vi 'y' send -X copy-selection-and-cancel

# Look good
set-option -g default-terminal "screen-256color"

# Activity monitoring
setw -g monitor-activity on
set -g visual-activity on

# set up layouts
# set main-pane-width 130

# Change cursor in vim to distinguish between insert and command mode
#set-option -g terminal-overrides '*88col*:colors=88,*256col*:colors=256,xterm*:XT:Ms=\E]52;%p1%s;%p2%s\007:Cc=\E]12;%p1%s\007:Cr=\E]112\007:Cs=\E]50;CursorShape=%?%p1%{3}%<%t%{0}%e%p1%{2}%-%;%d\007'

# scrollback buffer size increase
set -g history-limit 50000

# C-b C-b will swap to last used window
bind-key C-b last-window

# Start tab numbering at 1
set -g base-index 1

# Allows for faster key repetition
set -s escape-time 0

# Highlight active pane
set-option -g pane-active-border-style fg=green

# Change cursor in vim to distinguish between insert and command mode
# Use in conjunciton with tmux-cursors.vim
set-option -g terminal-overrides '*88col*:colors=88,*256col*:colors=256,xterm*:XT:Ms=\E]52;%p1%s;%p2%s\007:Cc=\E]12;%p1%s\007:Cr=\E]112\007:Cs=\E]50;CursorShape=%?%p1%{3}%<%t%{0}%e%p1%{2}%-%;%d\007'

# Status update interval
set -g status-interval 1

# Basic status bar colors
set-option -g status-style bg=colour235,fg=colour136

# Left side of status bar
set -g status-left-style bg=colour235,fg=green
set -g status-left-length 40
set -g status-left "#S #[fg=white]» #[fg=yellow]#I #[fg=cyan]#P"

# Right side of status bar
set -g status-right-style bg=colour235,fg=cyan
set -g status-right-length 40
set -g status-right "#H #[fg=white]« #[fg=yellow]%H:%M:%S #[fg=green]%d-%b-%y"

# Window status
set -g window-status-format " #I:#W#F "
set -g window-status-current-format " #I:#W#F "

# default window title colors
set-window-option -g window-status-style fg=colour244,bg=default

# Current window status
set-window-option -g window-status-current-style fg=colour166,bg=default

# Window with activity status
set -g window-status-activity-style bg=colour33,fg=black

# Window separator
set -g window-status-separator ""

# Window status alignment
set -g status-justify centre

# Pane border
set -g pane-border-style bg=default,fg=default

# Pane number indicator
set -g display-panes-colour default
set -g display-panes-active-colour default

# Clock mode
set -g clock-mode-colour red
set -g clock-mode-style 24

# Message
set -g message-style bg=default,fg=default

# Command message
set -g message-command-style bg=default,fg=default

# Mode
set -g mode-style bg=red,fg=default

# Gapless window indexes
set -g renumber-windows on

set -g default-shell /usr/bin/zsh