basic tmux

tmux.conf

# Tmux should be pretty, we need 256 color for that
set -g default-terminal "screen-256color"
# Tmux uses a 'control key', let's set it to 'Ctrl-a'
# Reason: 'Ctrl-a' is easier to reach than 'Ctrl-b'
set -g prefix C-a
unbind C-b

# mouse options
set -g mouse on
# move around buffer like vi
setw -g mode-keys vi
unbind [
bind Escape copy-mode

# command delay? We don't want that, make it short
set -sg escape-time 1

# Set the numbering of windows to go from 1 instead
# of 0 - silly programmers :|
set-option -g base-index 1
setw -g pane-base-index 1

# Allow us to reload our Tmux configuration while
# using Tmux
bind r source-file ~/.tmux.conf \; display "Reloaded!"

is_vim="tmux display-message -p '#{pane_current_command}' \
    | grep -iqE '^+(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"

bind-key -n C-h if-shell    "$is_vim"  "send-keys C-h"  "select-pane -L"
bind-key -n C-j if-shell    "$is_vim"  "send-keys C-j"   "select-pane -D"
bind-key -n C-k if-shell    "$is_vim"  "send-keys C-k"  "select-pane -U"
bind-key -n C-l if-shell    "$is_vim"  "send-keys C-l"   "select-pane -R"
bind-key -n C-\ if-shell    "$is_vim"  "send-keys C-\\"  "select-pane -l"

# Getting interesting now, we use the vertical and horizontal
# symbols to split the screen
bind c          new-window -c '#{pane_current_path}'
bind |          split-window -h -c '#{pane_current_path}'
bind _          split-window -v -c '#{pane_current_path}'