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This config depends on a few tmux plugins being installed. You can find more info here:
Tmux and Vim (CodeAndKeep.com)
## ------------------
## General Settings
## ------------------
# Put this in your ~/.tmux.conf and replace XXX by your $TERM outside of tmux:
# set-option -sa terminal-features ',XXX:RGB'
set-option -sa terminal-features ',xterm-kitty:RGB'
# make tmux display things in 256 colors
set -g default-terminal "screen-256color"
# set scrollback history to 10000 (10k)
set -g history-limit 10000
# set ` as the default prefix key combination
set -g prefix `
# unbind C-b to free it up
unbind C-b
# use send-prefix to pass ` through to application
bind ` send-prefix
# shorten command delay
set -sg escape-time 50
# set window and pane index to 1 (0 by default)
set-option -g base-index 1
setw -g pane-base-index 1
# reload ~/.tmux.conf using PREFIX r
bind r source-file ~/.tmux.conf \; display "Tmux config reloaded"
# open new windows in current directory
bind c new-window -c "#{pane_current_path}"
# use PREFIX - to split vertically
bind - split-window -v -c "#{pane_current_path}"
# use PREFIX | to split window horizontally and
bind | split-window -h -c "#{pane_current_path}"
# Make the current window the first window
bind T swap-window -t 1
# Make the current pane the first pane
bind P swap-pane -t 1
# map Vi movement keys as pane movement keys
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R
# use C-a to cycle through panes
bind -n C-o select-pane -t :.+
# use C-h and C-l to cycle through windows
bind -n C-h select-window -t :-
bind -n C-l select-window -t :+
# 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
# mouse control
setw -g mouse off
# auto-set window title
setw -g automatic-rename on
## ---------------------
## Copy & Paste
## ---------------------
## use vim keybindings in copy mode
setw -g mode-keys vi
## set 'v' to begin selection as in Vim
bind-key -T copy-mode-vi v send-keys -X begin-selection
## update default binding of 'Enter' to also use copy-pipe
#unbind -t vi-copy Enter
#bind-key -t vi-copy Enter copy-pipe "reattach-to-user-namespace pbcopy"
#bind y run 'tmux save-buffer - | reattach-to-user-namespace pbcopy '
## set copy-mode highlight colors
set-window-option -g mode-style bg=colour25,fg=colour254
## use system clipboard in vi-copy mode
bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel 'xclip -in -selection clipboard'
## ----------------
## Pane style
## ----------------
# set pane colors - highlight active pane
set -g pane-border-style fg=colour235
set -g pane-active-border-style bg=default,fg=colour245
## ----------------------
## Status Bar
## ----------------------
set-option -g status on # turn the status bar on
set -g status-interval 5 # set update frequencey (default 15 seconds)
set -g status-justify centre # center window list for clarity
set-option -g status-position top # position the status bar at top of screen
## visual notification of activity in other windows
setw -g monitor-activity off
set -g visual-activity off
#
## set color for status bar
set -g status-style bg=colour235,fg=default,dim
#
## set window list colors - green for active and gray for inactive
set -g window-status-style bg=colour235,fg=colour249,dim
set -g window-status-current-style fg=colour34,bg=colour236,bright
#
## show session name, window & pane number on status bar left side
set -g status-left-length 70
set -g status-left "#[fg=colour172]#S #I:#P"
## show host name and IP address on left side of status bar
#set -g status-left "#[fg=green]: #h : #[fg=brightblue]#(curl icanhazip.com) #[fg=yellow]#(ifconfig en0 | grep 'inet ' | awk '{print \"en0 \" $2}') #(ifconfig en1 | grep 'inet ' | awk '{print \"en1 \" $2}') #[fg=red]#(ifconfig tun0 | grep 'inet ' | awk '{print \"vpn \" $2}') "
## show date and time on right side of status bar
set -g status-right-length 60
set -g status-right "#[fg=colour172] %d %b %Y %l:%M %p"
## --------------------
## Tmux plugins
## --------------------
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'tmux-plugins/tmux-resurrect'
set -g @plugin 'tmux-plugins/tmux-yank'
#set -g @plugin 'jimeh/tmux-themepack'
#set -g @themepack 'powerline/default/blue'
# Initialize TMUX plugin manager (keep this line at the very bottom of tmux.conf)
run '~/.tmux/plugins/tpm/tpm'