.tmux.conf

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

# 0 is too far from ` ;)
set -g base-index 1

# Automatically set window title
set-window-option -g automatic-rename on
set-option -g set-titles on

set -g default-terminal rxvt-unicode-256color
set -g status-keys vi
set -g history-limit 10000

setw -g mode-keys vi
setw -g mouse on
setw -g monitor-activity on

bind-key | split-window -h
bind-key - split-window -v

bind-key J resize-pane -D 5
bind-key K resize-pane -U 5
bind-key H resize-pane -L 5
bind-key L resize-pane -R 5

bind-key M-j resize-pane -D
bind-key M-k resize-pane -U
bind-key M-h resize-pane -L
bind-key M-l resize-pane -R

# Vim style pane selection
bind h select-pane -L
bind j select-pane -D 
bind k select-pane -U
bind l select-pane -R

# Use Alt-vim keys without prefix key to switch panes
bind -n M-h select-pane -L
bind -n M-j select-pane -D 
bind -n M-k select-pane -U
bind -n M-l select-pane -R

# Use Alt-arrow keys without prefix key to switch panes
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

# Shift arrow to switch windows
bind -n S-Left  previous-window
bind -n S-Right next-window

# No delay for escape key press
set -sg escape-time 0

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

# Status line
set -g status-interval 2
set -g status-right-length 80
set -g status-left-length 40
set -g status-left "#{?client_prefix,#[bg=red]#[fg=white][P]#[bg=default] ,[ ] }"
set -g status-right "#[fg=default,bg=cyan] #(tmux-mem-cpu-load --interval 3) :: #(~/bin/battery.sh) :: %H:%M %a %d %b %Y"