.tmux.conf

# enable tmuxline on start
if-shell "test -f ~/.tmux/.tmux-status.conf" "source ~/.tmux/.tmux-status.conf"

# to get to tmux-copy-mode, <Prefix>[
# vi mode
# command to list all tmux copy-mode-vi keybindings: 'tmux list-keys -T copy-mode-vi'
set-window-option -g mode-keys vi
# Note: To get rectangle select, first enter visual mode by pressing v and then press C-v to get to rectangle select. 
bind-key -T copy-mode-vi 'v' send -X begin-selection
bind-key -T copy-mode-vi 'y' send -X copy-selection-and-cancel
bind-key p paste-buffer				# paste; (default hotkey: ] )
bind-key P choose-buffer 			# tmux clipboard history
bind-key + delete-buffer \; display-message "Deleted current Tmux Clipboard History" # delete top item in clipboard history

# change C-b prefix to C-a
unbind C-b
set -g prefix C-a

# reload config file with ctrl-r
bind r source-file ~/.tmux.conf \; display "Config reloaded!"

# shows notifications of changes to other windows
setw -g monitor-activity on
set -g visual-activity on

# highlights current window
set-window-option -g window-status-current-style bg=yellow

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

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

# C-l is taken over by vim style pane navigation
bind C-l send-keys 'C-l'