set -g default-shell $SHELL
set -g default-command "reattach-to-user-namespace -l ${SHELL}"

# simplify our tmux prefix
unbind C-b
set -g prefix C-s

bind-key -r C-s send-prefix

# allow navigating panes with vim keybindings
bind-key -n C-h select-pane -L
bind-key -n C-j select-pane -D
bind-key -n C-k select-pane -U
bind-key -n C-l select-pane -R

# simplify reloading .tmux.conf
bind-key r source-file ~/.tmux.conf \; display-message "~/.tmux.conf reloaded"

# set some tmux colors
set -g default-terminal "screen-256color"
set-option -g status-bg '#1c489b'
set-option -g status-fg '#ffffff'
set-option -g pane-border-style "fg=#1c489b"
set-option -g pane-active-border-style "fg=#1c489b"
set-option -g status-left '#[default] Windows: '

# copy/paste config
set -g mouse on
setw -g mode-keys vi
bind-key -Tcopy-mode-vi 'v' send -X begin-selection
bind-key -Tcopy-mode-vi 'y' send -X copy-pipe-and-cancel "reattach-to-user-namespace pbcopy"
unbind -Tcopy-mode-vi 'Enter'
bind-key -Tcopy-mode-vi 'Enter' send -X copy-pipe "reattach-to-user-namespace pbcopy"
bind ] run "reattach-to-user-namespace pbpaste | tmux load-buffer - && tmux paste-buffer"

# open new panes in the current working directory
bind-key c new-window -c "#{pane_current_path}"
bind-key % split-window -h -c "#{pane_current_path}"
bind-key '"' split-window -v -c "#{pane_current_path}"