tmux.conf

#-------------------------------------------------
# bindings
#-------------------------------------------------

# emulate GNU-screen bindings
unbind C-b
set -g prefix C-a
bind a send-prefix
bind C-a last-window

# page up/down move between windows
bind -n PPage previous-window
bind -n NPage next-window
bind    Tab   select-pane -t :.+

# set session's "start-directory"
bind _ attach-session -t . -c '#{pane_current_path}'

# toggle synchronize-panes
bind C-x setw synchronize-panes

# mouse
set -g mouse off
bind M set -g mouse

#-------------------------------------------------
# other config
#-------------------------------------------------

# https://github.com/tmux/tmux/wiki

# fix colors
set -a terminal-features 'xterm-256color:RGB'

set -g history-limit 5000

# just send ESC
set -g escape-time 0

set -g bell-action none

set -g display-time 2000

# automatic rename-window
set-hook -g after-new-session 'rename-window _'
set-hook -g after-new-window  'rename-window _'

# status-line look-and-feel
set -g status-fg white
set -g status-bg black
set -g status-left ''
set -g status-right ''
setw -g window-status-current-style fg=green
setw -g window-status-current-format '#{?pane_synchronized,#[bg=red],}#{?window_zoomed_flag,#[bg=blue],}#I:#W'
setw -g window-status-format         '#{?pane_synchronized,#[bg=red],}#{?window_zoomed_flag,#[bg=blue],}#I:#W'