tmux.conf

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

# do not let annoying escape delay be too long
set -sg escape-time 30

# use Ctrl-<Arrow>
set-window-option -g xterm-keys on

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

# 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

# Smart pane switching with awareness of vim splits
# See: https://github.com/christoomey/vim-tmux-navigator
is_vim='echo "#{pane_current_command}" | grep -iqE ".*(emacs(client)?)|(irssi)|(vim).*"'
bind -n M-h if-shell "$is_vim" "send-keys M-h" "select-pane -L"
bind -n M-j if-shell "$is_vim" "send-keys M-j" "select-pane -D"
bind -n M-k if-shell "$is_vim" "send-keys M-k" "select-pane -U"
bind -n M-l if-shell "$is_vim" "send-keys M-l" "select-pane -R"
bind -n M-\ if-shell "$is_vim" "send-keys M-\\" "select-pane -l"

# Enable mouse control (clickable windows, panes, resizable panes)
set -g mouse-utf8 on
set -g mouse on
# bind -n WheelUpPane copy-mode
bind -n WheelUpPane   \
  if-shell "$is_vim" \
    "send-keys -M" \
    "select-pane -t= \; copy-mode -e \; send-keys -M"
bind -n WheelDownPane select-pane -t= \;                 send-keys -M

#####################
###    Plugins    ###
#####################

set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'tmux-plugins/tmux-resurrect'
set -g @plugin 'tmux-plugins/tmux-continuum'

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

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

## 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

# 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

# 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 "
setw -g window-status-current-bg colour0
setw -g window-status-current-fg colour11
setw -g window-status-current-attr dim
setw -g window-status-bg green
setw -g window-status-fg black
setw -g window-status-attr reverse

# Info on left (I don't have a session display for now)
set -g status-left ''

# 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 colour137
set -g status-attr dim
set -g status-left ''
set -g status-right ''
set -g status-right-length 50
set -g status-left-length 20

setw -g window-status-current-fg colour81
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=colour50]#F '

setw -g window-status-fg colour138
setw -g window-status-bg colour235
setw -g window-status-attr none
setw -g window-status-format ' #I#[fg=colour237]:#[fg=colour250]#W#[fg=colour244]#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 colour166

# }

# Initialize TMUX plugin manager (keep this line at the very bottom of tmux.conf)
run '~/.tmux/plugins/tpm/tpm'