.tmux.conf

###########################
### TMUX PLUGIN MANAGER ###
###########################

# List of plugins
# To set up the plugins and Tmux Plugin Manager:
# 1. git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm
# 2. Start tmux
# 3. Press prefix + shift + I to install
# 4. Press prefix + r to restart tmux
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'tmux-plugins/tmux-yank'
# Unsupported in latest Tmux, see: https://github.com/NHDaly/tmux-better-mouse-mode/issues/29
# set -g @plugin 'nhdaly/tmux-better-mouse-mode'
# set -g @plugin 'christoomey/vim-tmux-navigator'

######################
### BASIC SETTINGS ###
######################

# Hide the status bar. Use prefix+w and prefix+s for jumping around instead of visually.
set -g status on

# # make tmux display things in 256 colors
set -g terminal-overrides ',xterm-256color:Tc'
set -g default-terminal "xterm-256color"
set -as terminal-overrides ',xterm*:sitm=\E[3m'

# # set scrollback history to 10000 (10k)
set -g history-limit 10000

# # shorten command delay
set -sg escape-time 2

# # set window and pane index to 1 (0 by default)
set-option -g base-index 1
setw -g pane-base-index 1

# # Make the current window the first window
bind T swap-window -t 1

# # use PREFIX | to split window horizontally and PREFIX - to split vertically
bind | split-window -h
bind - split-window -v

# # resize panes using PREFIX H, J, K, L
bind H resize-pane -L 5
bind J resize-pane -D 5
bind K resize-pane -U 5
bind L resize-pane -R 5

set -g mouse on

# Automatically rename Tmux pane to current folder path, but respect any name you've manually set
set-option -g status-interval 3
set-option -g automatic-rename on
set-option -g automatic-rename-format '#{b:pane_current_path}'

# Allows mouse scrolling still in Vim if you do e.g. set mouse=i
set -g terminal-overrides 'xterm*:smcup@:rmcup@'

# Copy to system clipboard when copying with mouse
set-option -g default-command "reattach-to-user-namespace -l $SHELL"

# Fix issue with Kitty terminal where Tmux copy ends up appending versus replacing clipboard contents
# https://github.com/kovidgoyal/kitty/issues/782
bind-key -T copy-mode-vi y if-shell "test ! -z $KITTY_WINDOW_ID" "send-keys -X copy-pipe 'kitty +kitten clipboard'" "send-keys -X copy-pipe  'pbcopy'"

# Fixes attaching to system clipboard on OSX High Sierra
# https://medium.freecodecamp.org/tmux-in-practice-integration-with-system-clipboard-bcd72c62ff7b
# TODO: if opening multiple windows, this seems to prevent standard error from showing in those new windows
# if -b "command -v reattach-to-user-namespace > /dev/null 2>&1" \
#     "run 'tmux set -g default-command \"exec $(tmux show -gv default-shell) 2>/dev/null & reattach-to-user-namespace -l $(tmux show -gv default-shell)\"'"

# Vi mode
# To copy: c-[, h/j/k/l, v, y. Then prefix-] to paste anywhere in Tmux.
setw -g mode-keys vi
set -g status-keys vi
set-window-option -g mode-keys vi
bind-key -T copy-mode-vi 'v' send -X begin-selection
bind-key -T copy-mode-vi 'y' send -X copy-selection-and-cancel

# Shift arrow to switch windows
bind -n S-right next-window
bind -n S-left previous-window

# Enter
bind -n C-s copy-mode \; send-keys -X halfpage-up
# bind -n C-x copy-mode \; send-keys -X halfpage-down " Interferes with Vim C-x
# bind -n C-d copy-mode \; send-keys -X halfpage-down " Interferes with Vim C-x

bind r source-file ~/.tmux.conf

# Don't prompt about killing windows or panes
bind-key & kill-window
bind-key x kill-pane
bind-key c-x kill-pane


######################
# VIM KEYS ###########
######################
# allow FZF to use J/K
######################

is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
  | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"

is_fzf="ps -o state= -o comm= -t '#{pane_tty}' \
  | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?fzf$'"

bind -n C-h run "($is_vim && tmux send-keys C-h) || \
                 tmux select-pane -L"

bind -n C-j run "($is_vim && tmux send-keys C-j)  || \
                 ($is_fzf && tmux send-keys C-j) || \
                 tmux select-pane -D"

bind -n C-k run "($is_vim && tmux send-keys C-k) || \
                 ($is_fzf && tmux send-keys C-k)  || \
                 tmux select-pane -U"

bind -n C-l run "($is_vim && tmux send-keys C-l) || \
                 tmux select-pane -R"

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

####################
# DESIGN CHANGES ###
####################

# panes
set -g pane-border-style fg=black
set -g pane-active-border-style fg=brightred

## Status bar design
# status line
set -g status-justify left
set -g status-style fg=colour12,bg=default
set -g status-interval 2

# messaging
set -g message-style fg=black,bg=yellow
set -g message-command-style fg=blue,bg=black

#window mode
setw -g mode-style fg=colour0,bg=colour6

# window status
setw -g window-status-format " #F#I:#W#F "
setw -g window-status-current-format " #F#I:#W#F "
setw -g window-status-format "#[fg=magenta]#[bg=black] #I #[bg=cyan]#[fg=colour8] #W "
setw -g window-status-current-format "#[bg=brightmagenta]#[fg=colour8] #I #[fg=colour8]#[bg=colour14] #W "
setw -g window-status-current-style fg=colour11,bg=colour0,dim
setw -g window-status-style fg=black,bg=green,reverse

# Info on left (I don't have a session display for now)
set -g status-left ''

# loud or quiet?
set-option -g visual-activity off
set-option -g visual-bell off
set-option -g visual-silence off
set-window-option -g monitor-activity off
set-option -g bell-action none

set -g default-terminal "screen-256color"
# set -g default-terminal "term-256color"
# set -g default-terminal "xterm"

# The modes {
setw -g clock-mode-colour colour135
setw -g mode-style fg=colour196,bg=colour238,bold

# }
# The panes {

set -g pane-border-style fg=colour238,bg=colour235
set -g pane-active-border-style fg=colour51,bg=colour236

# }
# The statusbar {

set -g status-position bottom
set -g status-style fg=colour137,bg=colour234,dim
set -g status-left ''

# This includes date and time:
# set -g status-right '#[fg=colour233,bg=colour70,bold] %a %m/%d #[fg=colour233,bg=colour75,bold] %I:%M %p '
set -g status-right ''
set -g status-right-length 0
set -g status-left-length 0

setw -g window-status-current-style fg=colour81,bg=colour238,bold
setw -g window-status-current-format ' #I#[fg=colour250]:#[fg=colour255]#W#[fg=colour50]#F '

setw -g window-status-style fg=colour138,bg=colour235
setw -g window-status-format ' #I#[fg=colour237]:#[fg=colour250]#W#[fg=colour244]#F '

setw -g window-status-bell-style fg=colour255,bg=colour1,bold

# }
# The messages {

set -g message-style fg=colour232,bg=colour166,bold

# }


set -g default-command /usr/local/bin/fish
set -g default-shell /usr/local/bin/fish

# Create new Tmux session from within an existing one with {cmd+b, C}
bind C new

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