tmux.conf

unbind C-b
set -g prefix C-Space
bind Space send-prefix

set -g default-terminal "screen-256color"

# invoke reattach-to-user-namespace every time a new window/pane is opened
set-option -g default-command "reattach-to-user-namespace -l fish"

# 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"

# move to panes simulating vim keys
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

bind & kill-window

bind-key a      send-key C-a   # `Ctrl-a a` sends `Ctrl-a`
bind-key n      command-prompt 'rename-window %%'
bind-key N      command-prompt 'rename-session %%'
bind-key -r <   swap-window -t :-
bind-key -r >   swap-window -t :+

set-window-option -g pane-base-index 1
set -g base-index 1    # start window index of 1
set -sg escape-time 1  # fixes some delay issues in vim

# new shells with current directory
bind '"' split-window -c "#{pane_current_path}"
bind % split-window -h -c "#{pane_current_path}"
bind c new-window -c "#{pane_current_path}" -n "shell"

# Define my custom menu bar
  # status bar colors

  # alignment settings
  set-option -g status-justify centre

  # status left options
  set-option -g status-left-length 20

  # window list options
  setw -g automatic-rename on
  set-window-option -g window-status-format '#[dim]#I:#[default]#W#[fg=grey,dim]'
  set-window-option -g window-status-current-format '#[fg=blue,bold]#I#[fg=blue]:#[fg=blue]#W#[fg=dim]'

  # status left options
  set -g status-left ' #S '

  # status left options
  set -g status-right ' %a '

  set -g status-position top
  bind-key b set-option status

# session name to iterm2 tab name
set-option -g set-titles on
set-option -g set-titles-string "#{session_name}"

# bind a reload key
bind R source-file ~/.tmux.conf \; display-message "  Config reloaded..".

set -g default-shell /usr/local/bin/fish

bind -r a select-pane -t .+1 \;  resize-pane -Z

# set-option -g status on
set-option -g status-utf8 on
set-option -g status-justify "centre"
set-option -g status-left-length 40
set-option -g status-right-length 40
set -g status-bg colour255
set -g status-fg black
# set-window-option -g window-status-current-format " #I #W "

# mouse support
# set -g mode-mouse on
# set -g mouse-resize-pane on
# set -g mouse-select-pane on
# set -g mouse-select-window on

set-option -g history-limit 4000