.tmux.conf

# This enables the open command to keep working.
# Explanation here:
# https://apple.stackexchange.com/questions/243067/terminal-app-and-tmux-session-cant-use-open-command-without-tmux-it-works
#set -g default-command "safe-reattach-to-user-namespace -l ${SHELL}"

if-shell -b '[ -n "$(command -v reattach-to-user-namespace)" ]' \
    " \
    set-option -g default-command 'reattach-to-user-namespace -l ${SHELL}'; \
    "
set -g default-terminal "screen-256color"
set-window-option -g xterm-keys on

# For working with vim, from https://www.bugsnag.com/blog/tmux-and-vim

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"
bind-key -n C-\   if-shell  "$is_vim"  "send-keys C-\\"  "select-pane -l"

bind | split-window -h -c "#{pane_current_path}"
bind - split-window -v -c "#{pane_current_path}"

# nvim requires these.
set-option -sg escape-time 10
set-option -g focus-events on
set-option -sa terminal-overrides ',xterm-256color:Tc'

# Let's try ctrl-space as the prefix:
#unbind-key C-b

#set-option -g prefix C-Space

#bind-key C-Space send-prefix