dotfiles/tmux/tmux.conf

# use Ctrl-A as the tmux command prefix instead of Ctrl-B
unbind C-b
set-option -g prefix C-a

# start windows from 1
set-option -g base-index 1

# history scrollback
set-option -g history-limit 9999999

# act like vim
set-option -g status-keys vi
set-window-option -g mode-keys vi # vi keys in copy mode (prefix+[)

# Display a status line message when activity occurs in a window for which the
# monitor-activity window option is enabled.
set-option -g visual-activity on

# Resize the window to the size of the smallest session for which it is the
# current window, rather than the smallest session to which it is attached.
set-window-option -g aggressive-resize on


#######################
# General Key Bindings
#######################

# prefix+R to reload the config file
bind-key C-r source-file ~/.tmux.conf; display-message "tmux.conf reloaded"

# detach client like screen
bind-key C-d detach-client

# enhance copy mode to use more vim like keys for copying
bind-key -t vi-copy 'v' begin-selection
bind-key -t vi-copy 'y' copy-selection


###################################
# Window/Pane/Session Manipulation
###################################

# Window Movement
bind-key -r C-h previous-window
bind-key -r C-l next-window
bind-key -n M-1 select-window -t 1
bind-key -n M-2 select-window -t 2
bind-key -n M-3 select-window -t 3
bind-key -n M-4 select-window -t 4
bind-key -n M-5 select-window -t 5
bind-key -n M-6 select-window -t 6
bind-key -n M-7 select-window -t 7
bind-key -n M-8 select-window -t 8
bind-key -n M-9 select-window -t 9
bind-key -n M-0 select-window -t 10

# Window Creation/Destruction
bind-key C-c new-window
# TODO a better shortcut than `prefix+,` for renaming windows, like prefix+A

# Pane Movement
bind-key h select-pane -L
bind-key j select-pane -D
bind-key k select-pane -U
bind-key l select-pane -R

# Pane Creation/Destruction
unbind % # Remove default binding for horizontal split since we’re replacing
bind-key -n C-\ split-window -h
bind-key -n C-_ split-window -v
bind-key C-x kill-pane

# Pane Sychronisation
bind-key s set -w synchronize-panes

# Session Switching/Destruction
bind-key C-s choose-session
bind-key X kill-session
# TODO a better shortcut than `prefix+$` for renaming sessions


########################
# Visual
########################

# Use solarized colour palette
source ~/dotfiles/tmux/tmux-colors-solarized/tmuxcolors-256.conf
# set-option -g default-terminal "screen-256color"

# tmux-powerline setup
set-option -g status on
set-option -g status-interval 2
set-option -g status-utf8 on
set-option -g status-justify "centre"
set-option -g status-left-length 60
set-option -g status-right-length 90
set-option -g status-left "#(~/dotfiles/tmux/tmux-powerline-custom/status-left.sh)"
set-option -g status-right "#(~/dotfiles/tmux/tmux-powerline-custom/status-right.sh)"