tmux.conf

# improve colors
set -g default-terminal 'screen-256color'

# Ctrl-a prefix
unbind C-b
set -g prefix C-a
bind C-a send-prefix

# Vim keybindings
set -g mode-keys vi

# Vim-like copy/paste
unbind [
bind Escape copy-mode
unbind p
bind p paste-buffer

# split panes using | and - (in current directory)
bind c new-window -c '#{pane_current_path}'
bind | split-window -h -c '#{pane_current_path}'
bind _ split-window -v -c '#{pane_current_path}'
unbind '"'
unbind %

# reload the .tmux.conf file with Ctrl-r
bind C-r source-file ~/.tmux.conf \; display-message "configuration reloaded"

# 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)?$'"
bind-key -n C-h if-shell "$is_vim" "send-keys C-h"  "select-pane -L"
bind-key -n C-j if-shell "$is_vim" "send-keys C-j"  "select-pane -D"
bind-key -n C-k if-shell "$is_vim" "send-keys C-k"  "select-pane -U"
bind-key -n C-l if-shell "$is_vim" "send-keys C-l"  "select-pane -R"
bind-key -n C-\ if-shell "$is_vim" "send-keys C-\\" "select-pane -l"

# easy resizing of panes
bind -r J resize-pane -D 5
bind -r K resize-pane -U 5
bind -r H resize-pane -L 5
bind -r L resize-pane -R 5

# Display pane numbers for longer
set -g display-panes-time 2000

# start window numbers at 1 to match keyboard order with tmux order
set -g base-index 1

# start pane numbers at 1 to match keyboard order with tmux order
setw -g pane-base-index 1

# renumber windows sequentially after closing any of them
set -g renumber-windows on

######################
### DESIGN CHANGES ###
######################

# panes
set -g pane-border-fg black
set -g pane-active-border-fg brightred

## Status bar design
# status line
set -g status-justify left
set -g status-bg default
set -g status-fg colour12
set -g status-interval 2

# messaging
set -g message-fg black
set -g message-bg yellow
set -g message-command-fg blue
set -g message-command-bg black

# window mode
setw -g mode-bg colour6
setw -g mode-fg colour0

# loud or quiet?
set-option -g visual-activity off
set-option -g visual-bell off
set-option -g visual-silence off
set-window-option -g monitor-activity off
set-option -g bell-action none

set -g default-terminal "screen-256color"

# The modes {
setw -g clock-mode-colour colour135
setw -g mode-attr bold
setw -g mode-fg colour196
setw -g mode-bg colour238

# The panes
set -g pane-border-bg colour235
set -g pane-border-fg colour238
set -g pane-active-border-bg colour236
set -g pane-active-border-fg colour51

# The statusbar
set -g status-position bottom
set -g status-bg colour234
set -g status-fg colour2
set -g status-attr dim
set -g status-left '#[bold]#S '
set -g status-right '#[fg=colour4]#(whoami)#[fg=colour255]@#[fg=colour3]#h #[fg=colour233,bg=colour241,bold] %h %d #[fg=colour233,bg=colour245,bold] %I:%M %p '
set -g status-right-length 50
set -g status-left-length 20

setw -g window-status-current-fg colour4
setw -g window-status-current-bg colour238
setw -g window-status-current-attr bold
setw -g window-status-current-format ' #I#[fg=colour250]:#[fg=colour255]#W#[fg=colour4]#F '

setw -g window-status-fg colour250
setw -g window-status-bg colour235
setw -g window-status-attr none
setw -g window-status-format ' #I#[fg=colour245]:#[fg=colour250]#W#[fg=colour245]#F '

setw -g window-status-bell-attr bold
setw -g window-status-bell-fg colour255
setw -g window-status-bell-bg colour1

# The messages
set -g message-attr bold
set -g message-fg colour232
set -g message-bg colour2

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