dot_tmux.conf

# remap prefix to Control + a
set -g prefix C-a
unbind C-b
bind C-a send-prefix

# Set default screen to 256 color mode
set -g default-terminal "xterm-256color"
set -ag terminal-overrides ",xterm-256color:RGB"

set -g focus-events on

# Set the history limit so we get lots of scrollback.
setw -g history-limit 50000000
# Set the file history for commands
set -sg history-file ~/.tmux_history

# Prevent titles from being overriden
set-option -g allow-rename off 

# Escape needs to be fast for vim
set -sg escape-time 0
# Refresh status line every 5 seconds - Good for when music is playing / update time etc
set -g status-interval 5
# See: https://gist.github.com/MohamedAlaa/2961058#copy-mode
setw -g mode-keys vi


# split panes using | and -
bind | split-window -h -c "#{pane_current_path}"
bind - split-window -v -c "#{pane_current_path}"
unbind '"'
unbind %

bind-key -n '˙' 'resize-pane -L'
bind-key -n '∆' 'resize-pane -U'
bind-key -n '˚' 'resize-pane -D'
bind-key -n '¬' 'resize-pane -R'

# Smart pane switching with awareness of Vim splits.
# See: https://github.com/christoomey/vim-tmux-navigator
is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
    | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"
bind-key -n 'C-h' if-shell "$is_vim" 'send-keys C-h'  'select-pane -L'
bind-key -n 'C-j' if-shell "$is_vim" 'send-keys C-j'  'select-pane -D'
bind-key -n 'C-k' if-shell "$is_vim" 'send-keys C-k'  'select-pane -U'
bind-key -n 'C-l' if-shell "$is_vim" 'send-keys C-l'  'select-pane -R'
tmux_version='$(tmux -V | sed -En "s/^tmux ([0-9]+(.[0-9]+)?).*/\1/p")'
if-shell -b '[ "$(echo "$tmux_version < 3.0" | bc)" = 1 ]' \
    "bind-key -n 'C-\\' if-shell \"$is_vim\" 'send-keys C-\\'  'select-pane -l'"
if-shell -b '[ "$(echo "$tmux_version >= 3.0" | bc)" = 1 ]' \
    "bind-key -n 'C-\\' if-shell \"$is_vim\" 'send-keys C-\\\\'  'select-pane -l'"

bind-key -T copy-mode-vi 'C-h' select-pane -L
bind-key -T copy-mode-vi 'C-j' select-pane -D
bind-key -T copy-mode-vi 'C-k' select-pane -U
bind-key -T copy-mode-vi 'C-l' select-pane -R
bind-key -T copy-mode-vi 'C-\' select-pane -l