tmux.conf

# Based off of the little pragprog book on tmux
# http://media.pragprog.com/titles/bhtmux/code/config/tmux.conf

# Setting the prefix from C-b to C-a
set -g prefix C-a
# Free the original Ctrl-b prefix keybinding
unbind C-b
#setting the delay between prefix and command
set -s escape-time 1
# Ensure that we can send Ctrl-A to other apps
bind C-a send-prefix

# Set the base index for windows to 1 instead of 0
set -g base-index 1

# Set the base index for panes to 1 instead of 0
setw -g pane-base-index 1

# increase scrollback lines
set -g history-limit 10000

# Reload the file with Prefix r
bind r source-file ~/.tmux.conf \; display "Reloaded!"

# splitting panes
bind | split-window -h
bind - split-window -v

# moving between panes
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

# Quick pane selection
bind -r C-h select-window -t :-
bind -r C-l select-window -t :+

# Pane resizing
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

# mouse support - set to on if you want to use the mouse
set -g mouse on

# Set the default terminal mode to 256color mode
set -g default-terminal "screen-256color"

# set the status line's colors
set -g status-fg white
set -g status-bg default

# set the color of the window list
# custom colors http://www.pixelbeat.org/docs/terminal_colours/#256
setw -g window-status-style fg=colour248,bg=default
setw -g window-status-attr dim

# set colors for the active window
setw -g window-status-current-style fg=colour76,bg=default
setw -g window-status-current-attr bright

# don't invert fg/bg on activity
# http://unix.stackexchange.com/questions/120857/tmux-monitor-activity-change-highlight-color
#set-window-option -g window-status-activity-attr none

# colors for pane borders
setw -g pane-border-style fg=colour234,bg=default
setw -g pane-active-border-style fg=colour234,bg=default
# add bar to status panel
setw -g pane-border-format '→'

# Command / message line
setw -g message-style fg=white,bg=black

# Status line left side
set -g status-left ""

# Status line right side
set -g status-right ""

# Center the window list
set -g status-justify centre
set-option -g status-position top

# enable activity alerts
setw -g monitor-activity on
set -g visual-activity on

# enable vi keys.
setw -g mode-keys vi
# enable copy paste on OSX Sierra
# https://github.com/tmux/tmux/issues/543#issuecomment-298193820
bind-key -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "reattach-to-user-namespace pbcopy"
bind-key -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "reattach-to-user-namespace pbcopy"

# https://github.com/ChrisJohnsen/tmux-MacOSX-pasteboard
set -g default-shell $SHELL
set -g default-command "reattach-to-user-namespace -l ${SHELL}"