dot_tmux.conf

#set -g prefix C-Space
# use 256 xterm for pretty colors. This enables same colors from iTerm2 within tmux.
# This is recommended in neovim :healthcheck
set -g default-terminal "screen-256color"
set -ga terminal-overrides ",xterm-256color:Tc"
set-option -sa terminal-features ',alacritty:RGB'
set -s copy-command "xsel -i -b"
set -g mouse on
set -g base-index 1
set -g history-limit 100000
unbind r
bind r source-file ~/.tmux.conf \; display-message "Reloaded!"

# Make a smaller delay so we can perform commands after switching windows
set -sg escape-time 0
set -sg repeat-time 600

# highlight window when it has new activity
setw -g monitor-activity on
set -g visual-activity on

# re-number windows when one is closed
set -g renumber-windows on

# Rather than constraining window size to the maximum size of any client
# connected to the *session*, constrain window size to the maximum size of any
# client connected to *that window*.
setw -g aggressive-resize on

# neovim integration
set -g -a terminal-overrides ',*:Ss=\E[%p1%d q:Se=\E[2 q'

bind C-l send-keys 'C-l' # new clear screen

# panes
set-window-option -g pane-base-index 1
unbind %
bind v split-window -h -c "#{pane_current_path}"
unbind '"'
bind h split-window -v -c "#{pane_current_path}"

# windows
unbind n # DEFAULT KEY: next window
unbind w # DEFAULT KEY: change current window
bind w new-window -c "#{pane_current_path}"
bind n next-window
bind p previous-window

# copy mode
set-window-option -g mode-keys vi
unbind -T copy-mode-vi Space; # default for begin copy
unbind -T copy-mode-vi Enter; # default for copy selection
bind -T copy-mode-vi v send -X begin-selection
bind -T copy-mode-vi y send -X copy-selection-and-cancel "xsel --clipboard"
bind C-S-c run 'tmux save-buffer - | xsel --clipboard'
bind C-S-v run 'tmux set-buffer "xsel -b"; tmux paste-buffer'

# enable pbcopy and pbpaste
# https://github.com/ChrisJohnsen/tmux-MacOSX-pasteboard/blob/master/README.md
# bind p paste-buffer
# set-option -g default-command "reattach-to-user-namespace -l zsh"

# paste from system clipboard MacOS
# bind C-v run \"tmux set-buffer \"$(reattach-to-user-namespace pbpaste)\"; tmux paste-buffer"

############################
## Status Bar
############################

# enable UTF-8 support in status bar
set -gq status-utf8 on

# set refresh interval for status bar
set -g status-interval 30

# center the status bar
set -g status-justify centre

# show session, window, pane in left status bar
set -g status-left-length 40
set -g status-left '#[fg=green] #S #[fg=yellow]#I/#[fg=cyan]#P '

# show hostname, date, tim 100
set -g status-right '#(battery -t) #[fg=cyan] %d %b %R '

# update status bar info
set -g status-interval 60

##############
### DESIGN ###
##############

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

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

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

# window mode
setw -g mode-style bg=green,fg=black

# 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=white] #W "
setw -g window-status-current-format "#[bg=brightmagenta]#[fg=white] #I #[fg=white]#[bg=cyan] #W "
setw -g window-status-current-style bg=black,fg=yellow,dim
setw -g window-status-style bg=green,fg=black,reverse

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

# The modes
set-window-option -g clock-mode-colour red
set-window-option -g mode-style fg=red,bg=black,bold

# The panes
set -g pane-border-style bg=black,fg=black
set -g pane-active-border-style fg=blue,bg=black

# The statusbar
set -g status-position bottom
set -g status-style bg=black,fg=yellow,dim
set -g status-left ''
set -g status-right '#{?client_prefix,#[fg=white]#[bg=red]#[bold] - PREFIX - ,#[fg=brightwhite]#H}'

set -g status-right-length 50
set -g status-left-length 20

# The window
set-window-option -g window-status-current-style fg=red,bg=black,bold
set-window-option -g window-status-current-format ' #I#[fg=brightwhite]:#[fg=brightwhite]#W '

set-window-option -g window-status-style fg=magenta,bg=black,none
set-window-option -g window-status-format ' #I#[fg=brightblack]:#[fg=brightblack]#W#[fg=black]#F '

set-window-option -g window-status-bell-style fg=white,bg=red,bold

# The messages
set -g message-style fg=white,bg=red,bold

###############
### PLUGINS ###
###############

# List of plugins
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'tmux-plugins/tmux-copycat'
set -g @plugin 'tmux-plugins/tmux-copycat'
set -g @plugin 'tmux-plugins/tmux-open'
set -g @plugin 'laktak/extrakto'
set -g @plugin 'junegunn/tmux-fzf-url'
# Add more plugins below this line
# Plugin to save and restore tmux sessions after restart
# * Save with: prefix + Ctrl-s
# * Restore with: prefix + Ctlr-r
set -g @plugin 'tmux-plugins/tmux-resurrect'
set -g @vim_navigator_mapping_left "C-Left C-h"  # use C-h and C-Left
set -g @vim_navigator_mapping_right "C-Right C-l"
set -g @vim_navigator_mapping_up "C-k"
set -g @vim_navigator_mapping_down "C-j"
set -g @vim_navigator_mapping_prev ""  # removes the C-\ binding
  # restore vim and nvim sessions as well
  # for vim
  set -g @resurrect-strategy-vim 'session'
  # for neovim
  set -g @resurrect-strategy-nvim 'session'

# I think continuous save and auto restore can
# be annoying, enable here if you want it
#set -g @plugin 'tmux-plugins/tmux-continuum'
#  # Automatic restore
#  set -g @continuum-restore 'on'

# Integration with Vim for panel navigation
set -g @plugin 'christoomey/vim-tmux-navigator'

# Initialize TMUX plugin manager (keep this line at the very bottom of tmux.conf)
# To install: PREFIX+SHIFT+i
run -b "$HOME/.tmux/plugins/tpm/tpm"