tmux.conf

# It's 2012
set -g default-terminal "screen-256color"

# Use c-a as prefix
set -g prefix C-a
unbind C-b
bind C-a send-prefix
bind-key a send-key C-a

set -g terminal-overrides 'xterm:colors=256'

# Start numbering at 1
set -g base-index 1
setw -g pane-base-index 1

# use hjkl for moving
# and HJKL for resizing
setw -g mode-keys vi
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R
bind-key -r C-h select-window -t :-
bind-key -r C-l select-window -t :+
bind -r H resize-pane -L 5
bind -r J resize-pane -D 5
bind -r K resize-pane -U 5
bind -r L resize-pane -R 5

# shortcut for closing windows and panes
bind-key c      kill-pane
bind-key q      confirm-before kill-session
bind-key Q      confirm-before kill-server
unbind o
bind o kill-pane -a
unbind c
bind w new-window

# Copy and pasting

# Use vim keybindings in copy mode
setw -g mode-keys vi

# Setup 'v' to begin selection as in Vim
bind-key -t vi-copy v begin-selection
bind-key -t vi-copy y copy-pipe "reattach-to-user-namespace pbcopy"

# Update default binding of `Enter` to also use copy-pipe
unbind -t vi-copy Enter
bind-key -t vi-copy Enter copy-pipe "reattach-to-user-namespace pbcopy"

# use v and s for windows splits
unbind %
bind s split-window -v
bind v split-window -h

# Rather than constraining window size to the maximum size of any client
# connected to the *session*, constrain window size to the maximum size of any
# client connected to *that window*. Much more reasonable.
setw -g aggressive-resize on

# Handling mouse
setw -g mode-mouse on
set -g mouse-select-pane on
set -g mouse-resize-pane on
set -g mouse-select-window on

# Clearing panes
bind -n C-k send-keys -R \; clear-history

# Zoom pane
unbind Up
bind Up new-window -d -n tmp \; swap-pane -s tmp.1 \; select-window -t tmp
unbind Down
bind Down last-window \; swap-pane -s tmp.1 \; kill-window -t tmp

# Coloring everything
# default statusbar colors
set-option -g status-bg black #base02
set-option -g status-fg yellow #yellow
set-option -g status-attr default

# default window title colors
set-window-option -g window-status-fg yellow #base0
set-window-option -g window-status-bg default
#set-window-option -g window-status-attr dim

# active window title colors
set-window-option -g window-status-current-fg brightred #orange
set-window-option -g window-status-current-bg default
#set-window-option -g window-status-current-attr bright

# pane border
set-option -g pane-border-fg black #base02
set-option -g pane-active-border-fg brightgreen #base01

# message text
set-option -g message-bg black #base02
set-option -g message-fg brightred #orange

# pane number display
set-option -g display-panes-active-colour blue #blue
set-option -g display-panes-colour brightred #orange

# statusbar
set -g status-utf8 on
set -g status-interval 60
set -g status-left-length 40
set -g status-justify centre
set -g status-left "#[fg=white]#S"
set -g status-right "#[fg=cyan]%R #(~/bin/battery)"