tmux.conf

#
# general settings
#
# {{{
# prefix
set -g prefix C-s

# terminal name
set -g default-terminal "screen-256color"
# use 24bit color support
set -ga terminal-overrides ",xterm-256color:Tc"

# history size
set -g history-limit 10000

# escape key delay
set -s escape-time 0

# repeat timeout when -r bindings are used
set -g repeat-time 1000

# start index from 1
set -g base-index 1

# binding in choice mode
setw -g mode-keys vi

# binding in status line
set -g status-keys emacs

# mouse
set -g mouse on

# enable extra key combinations
set -g xterm-keys on

bind -n WheelUpPane   select-pane -t= \; copy-mode -e \; send-keys -M
bind -n WheelDownPane select-pane -t= \;                 send-keys -M
# }}}

#
# key bindings
#
# {{{
# split window
bind-key s split-window -v -c "#{pane_current_path}"
bind-key v split-window -h -c "#{pane_current_path}"

# traverse panes in current window
bind-key -r C-j select-pane -t :.+
bind-key -r C-k select-pane -t :.-

# move to neighbor window
bind-key C-h previous-window
bind-key C-l next-window

# close pane
bind-key C-x kill-pane

# resize pane
bind-key -r Up    resize-pane -U
bind-key -r Down  resize-pane -D
bind-key -r Left  resize-pane -L
bind-key -r Right resize-pane -R

# move to pane
bind-key h select-pane -L
bind-key j select-pane -D
bind-key k select-pane -U
bind-key l select-pane -R

# create window
bind-key n new-window -c "#{pane_current_path}"

# relocate panes
bind-key t select-layout main-vertical

# message
bind-key m display-message

# into choice mode
bind-key C-i copy-mode -u
bind-key i   copy-mode

# toggle status line
bind-key b set-option status

# move windows to left or right
bind-key -r > swap-window -d -t :+
bind-key -r < swap-window -d -t :-

# swap ; and :
bind-key :  last-pane
bind-key \; command-prompt

# make new window with current pane
bind-key C-b break-pane

# clock
bind-key C-q clock-mode

# re-source config
bind-key C-r source-file ~/.tmux.conf \; display-message "sourced ~/.tmux.conf"

# open mini window
bind-key C-m split-window -h -p 20 -c "#{pane_current_path}"

# reset width of each pane and relayout them vertical
bind-key C-v select-layout even-horizontal

# capture the buffer
bind-key C command-prompt -p 'save history to filename:' -I '~/tmux.history' 'capture-pane -S -32768 ; save-buffer %1 ; delete-buffer'

# Typing prefix twice sends itself
bind-key C-s send-prefix

# Scroll up to previous prompt U'w')
bind-key C-p copy-mode\; send-keys -X start-of-line\; send-keys -X search-backward "^U[;']w[;']) { "

# more vi key binds
bind-key -T copy-mode-vi v   send-keys -X begin-selection
bind-key -T copy-mode-vi y   send-keys -X copy-selection
bind-key -T copy-mode-vi u   send-keys -X page-up
bind-key -T copy-mode-vi d   send-keys -X page-down
bind-key -T copy-mode-vi J   send-keys -X bottom-line
bind-key -T copy-mode-vi K   send-keys -X top-line
bind-key -T copy-mode-vi H   send-keys -X back-to-indentation
bind-key -T copy-mode-vi L   send-keys -X end-of-line
bind-key -T copy-mode-vi C-p send-keys -X start-of-line\; send-keys -X search-backward "^U[;']w[;']) { "
# }}}

#
# colors
#
# {{{
# status line colors
set-window-option -g window-status-current-style fg=green,bg=black
# }}}

#
# status bar
#
# {{{
# While prefix key is pressed, reverse color of 'status-left'
set-window-option -g status-left '#[fg=black,bg=green]#{?client_prefix,#[reverse],} [#S] #[default]'
# }}}

#
# others
#
# {{{
# $TERM_PROGRAM should be forwarded because we can distinguish
# Terminal.app and iTerm2.app by it.
# $COLORTERM should be forwarded because it is set by terminal.
set -ga update-environment " TERM_PROGRAM COLORTERM"
# }}}

#
# plugins
#
# {{{
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-yank'
set -g @plugin 'tmux-plugins/tmux-open'
set -g @plugin 'tmux-plugins/tmux-resurrect'
set -g @plugin 'tmux-plugins/tmux-cpu'

set -g @resurrect-save 'S'
set -g @resurrect-restore 'R'

# Set CPU percentage in status bar
set -g status-right '"#T" #{cpu_bg_color} CPU: #{cpu_icon} #{cpu_percentage} #[fg=black,bg=green]| %m/%d %H:%M '

run '~/.tmux/plugins/tpm/tpm'
# }}}