tmux.conf

# improve colors
set -g default-terminal 'screen-256color'

# act like vim
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 -r C-h select-window -t :-
bind -r C-l select-window -t :+
bind -t vi-copy 'v' begin-selection
bind -t vi-copy 'V' rectangle-toggle
bind -t vi-copy 'y' copy-selection

# act like GNU screen
unbind C-b
set -g prefix C-a
bind a send-prefix
bind b send-prefix

# create new windows/panes in same directory
bind c new-window -c '#{pane_current_path}'
bind "\"" split-window -c '#{pane_current_path}'
bind % split-window -h -c '#{pane_current_path}'

# enable and disable keyboard input for panes
bind < select-pane -d \; display-message "input disabled"
bind > select-pane -e \; display-message "input enabled"

# size windows based on clients looking at that window
setw -g aggressive-resize on

# enable mouse control
set -g mouse on

# start window numbers at 1 to match keyboard order with tmux order
set -g base-index 1

# start pane numbers at 1 to match keyboard order with tmux order
setw -g pane-base-index 1

# easy resizing of panes
bind -r J resize-pane -D 5
bind -r K resize-pane -U 5
bind -r H resize-pane -L 5
bind -r L resize-pane -R 5

# reenable automatic renaming for the current window
bind N setw automatic-rename on \; display-message "automatic rename enabled"

# renumber windows sequentially after closing any of them
set -g renumber-windows on

# monitor windows for activity
setw -g monitor-activity on

# don't wait for escape sequences
set -sg escape-time 0

# display pane numbers for longer
set -g display-panes-time 2000

# remove administrative debris (time) in status bar
set -g status-left-length 20
set -g status-left '#{?pane_input_off,#[fg=colour160],#[fg=colour136]}[#[fg=colour136]#S:#I.#P#{?pane_input_off,#[fg=colour160],#[fg=colour136]}] '
set -g status-right '#[fg=colour166]#([ "$(tmux show-option -g prefix)" != "prefix C-a" ] && echo "($(tmux show-option -g prefix | cut -c 8-)) ")#[fg=colour33]%d %b %Y #{?client_prefix,#[fg=colour160],#[fg=colour61]}- #[fg=colour64]%I:%M %p #{?client_prefix,#[fg=colour160],#[fg=colour61]}- #[fg=colour37]#H'

# increase scrollback lines
set -g history-limit 65536

# keybinding to clear history
bind C-k clear-history \; display-message "history cleared"

# C-b ! breaks current pane into separate window
# join a pane/window from the current session into the current window
bind @ command-prompt -p "create pane from:" "join-pane -s ':%%'"

# reload the .tmux.conf file with Ctrl-r
bind C-r source-file ~/.tmux.conf \; display-message "configuration reloaded"

# toggle passthrough of prefix
bind P if-shell "[ \"$(tmux show-options -g prefix)\" = \"prefix C-a\" ]" 'set -g prefix C-b; display-message "passthrough enabled"; refresh-client -S' 'set -g prefix C-a; display-message "passthrough disabled"; refresh-client -S'

#### color (Solarized 256)

# default statusbar colors
set-option -g status-bg colour235 #base02
set-option -g status-fg colour136 #yellow
set-option -g status-attr default

# default window title colors
set-window-option -g window-status-fg colour244 #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 colour166 #orange
set-window-option -g window-status-current-bg default

# window activity title colors
setw -g window-status-activity-fg colour61
setw -g window-status-activity-attr default
setw -g window-status-bell-fg colour61
setw -g window-status-bell-attr default

# pane border
set-option -g pane-border-fg colour235 #base02
set-option -g pane-active-border-fg colour240 #base01

# message text
set-option -g message-bg colour235 #base02
set-option -g message-fg colour166 #orange

# pane number display
set-option -g display-panes-active-colour colour166 #blue
set-option -g display-panes-colour colour33 #orange

# clock
set-window-option -g clock-mode-colour colour64 #green

# Allow local customization in ~/.tmux_local.conf
if-shell "[ -f ~/.tmux_local.conf ]" 'source ~/.tmux_local.conf'