.tmux.conf

.tmux.conf

# remap prefix from 'C-b' to 'C-a'
unbind C-b
set-option -g prefix C-a
bind-key C-a send-prefix

# start with window 1 (instead of 0)
set -g base-index 1

# start with pane 1
set -g pane-base-index 1

# split panes using | and -
bind | split-window -h
bind - split-window -v
unbind '"'
unbind %

# reload config file (change file location to your the tmux.conf you want to use)
bind r source-file ~/.tmux.conf

# switch panes using Alt-arrow without prefix
bind -n M-Left select-pane -L
bind -n M-Right select-pane -R
bind -n M-Up select-pane -U
bind -n M-Down select-pane -D

# present a menu of URLs to open from the visible pane. sweet.
bind-key u capture-pane \;\
    save-buffer /tmp/tmux-buffer \;\
    split-window -l 10 "urlview /tmp/tmux-buffer"

# Enable mouse mode (tmux 2.1 and above)
set -g mouse on
bind -n WheelUpPane if-shell -F -t = "#{mouse_any_flag}" "send-keys -M" "if -Ft= '#{pane_in_mode}' 'send-keys -M' 'copy-mode -e; send-keys -M'"

# don't rename windows automatically
set-option -g allow-rename off

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

# panes
## Status bar design
# status line
#set -g status-utf8 on
set -g status-justify left
set -g status-bg default
set -g status-fg colour12
set -g status-interval 2

# window status
setw -g window-status-format " #F#I:#W#F "
setw -g window-status-current-format " #F#I:#W#F "
setw -g window-status-format "#[fg=magenta]#[bg=black] #I #[bg=cyan]#[fg=colour8] #W "
setw -g window-status-current-format "#[bg=brightmagenta]#[fg=colour8] #I #[fg=colour8]#[bg=colour14] #W "

# Info on left
set -g status-left 'Session: #S'

# 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

set -g mode-style fg=colour196,bg=colour238,bold

# }
# The panes {
set -g pane-border-style fg=colour238,bg=colour235
set -g pane-active-border-style fg=colour51,bg=colour236

# }
# The statusbar {

set -g status-position bottom
set -g status-bg colour234
set -g status-fg colour137
set -g status-left ''
set -g status-right '#[fg=colour233,bg=colour241,bold] %d/%m #[fg=colour233,bg=colour245,bold] %H:%M:%S '
set -g status-right-length 50
set -g status-left-length 20

setw -g window-status-current-format ' #I#[fg=colour250]:#[fg=colour255]#W#[fg=colour50]#F '

setw -g window-status-current-style fg=colour81,bg=colour238,bold

setw -g window-status-format ' #I#[fg=colour237]:#[fg=colour250]#W#[fg=colour244]#F '

setw -g window-status-style fg=colour138,bg=colour235,none

setw -g window-status-bell-style fg=colour255,bg=colour1,bold

# }
# The messages {
set -g message-style fg=colour232,bg=colour166,bold

# }

Updated with tmux 3.0a compatible configuration