.tmux.conf

# address vim mode switching delay (http://superuser.com/a/252717/65504)
set -s escape-time 0

# increase scrollback buffer size
set -g history-limit 50000

# tmux messages are displayed for 4 seconds
set -g display-time 4000

# refresh 'status-left' and 'status-right' more often
set -g status-interval 5

# upgrade $TERM
set -g default-terminal "screen-256color"

# emacs key bindings in tmux command prompt (prefix + :) are better than
# vi keys, even for vim users
set -g status-keys emacs

# focus events enabled for terminals that support them
set -g focus-events on

# super useful when using "grouped sessions" and multi-monitor setup
setw -g aggressive-resize on

# easier and faster switching between next/prev window
bind C-p previous-window
bind C-n next-window

#bind R source-file '~/.tmux.conf'

set -g prefix C-a
bind C-a send-prefix
unbind C-b
bind a last-window

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"

# plugins
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-resurrect'
set -g @plugin 'egel/tmux-gruvbox'

# Initialize TMUX plugin manager (keep this line at the very bottom of tmux.conf)
run -b '~/.tmux/plugins/tpm/tpm'