A vim-friendly tmux config

.tmux.conf

# change prefix to Ctrl-a (like in gnu-screen)

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


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


# source config file
bind r source-file ~/.tmux.conf


# history
set -g history-limit 4096


# allow terminal scrolling
set-option -g terminal-overrides 'xterm*:smcup@:rmcup@'

# use vi mode
setw -g mode-keys vi
set -g status-keys vi


# tmux-zoom.sh
bind C-z run "tmux-zoom.sh"

# easy-to-remember split pane commands
bind | split-window -h -c "#{pane_current_path}"
bind - split-window -v -c "#{pane_current_path}"
unbind '"'
unbind %


# colon :
bind : command-prompt

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

# moving between panes with vim movement keys
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

# resize the pane
bind-key -r J resize-pane -D 3
bind-key -r K resize-pane -U 3
bind-key -r H resize-pane -L 3
bind-key -r L resize-pane -R 3

# 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


# 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-window-option -g mode-keys vi
set-option -g bell-action none


# tmux clock
set -g clock-mode-colour blue


# some key-binding changes
bind x kill-pane
bind X next-layout
bind Z previous-layout

#urxvt tab like window switching (-n: no prior escape seq)
bind -n S-down new-window
bind -n S-left prev
bind -n S-right next
bind -n C-left swap-window -t -1
bind -n C-right swap-window -t +1

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 '#[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-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

# }

set -g mouse on

I personally don't find this config so quite helpful. Most probably, one or two lines would suffice for me :)