dotfiles/dot_config/tmux/tmux.conf

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# Version-specific commands [grumble, grumble]
# See: https://github.com/tmux/tmux/blob/master/CHANGES
run-shell 'tmux setenv -g TMUX_VERSION $(tmux -V | \
sed -En "s/^tmux[^0-9]*([.0-9]+).*/\1/p")'
set -g @dark-theme 0
# use vi bindings
set -g status-keys vi
set -g mode-keys vi
# change prefix
unbind C-b
set -g prefix C-f
bind C-f send-prefix
# actual escape key
set -sg escape-time 0
# keep all windows in gapless order
set -g renumber-windows on
# reload
bind r source-file $XDG_CONFIG_HOME/tmux/tmux.conf \; display "Config Reloaded"
# session/client
bind q detach-client
bind l list-sessions
set -g destroy-unattached off
# window creation
bind -n C-t new-window
bind N command-prompt -I "#{window_name}" "rename-window '%%'"
bind S command-prompt -I "#{session_name}" "rename-session '%%'"
bind - split-window -v
bind | split-window -h
# window navigation
bind -n M-F12 next-window # use this since C-Tab doesn't exist in most terminals
bind -n M-F11 previous-window # use this since BTab = S-Esc
bind M-F12 swap-window -t +1 \; next-window
bind M-F11 swap-window -t -1 \; previous-window
bind -n M-| choose-window "join-pane -h -t '%%'"
bind -n M-- choose-window "join-pane -v -t '%%'"
# pane navigation
bind -n M-l select-pane -R
bind -n M-h select-pane -L
bind -n M-k select-pane -U
bind -n M-j select-pane -D
bind -n M-o last-pane
bind o display-panes
bind H swap-pane -U
bind L swap-pane -D
set -g display-panes-time 5000
# pane resizing
bind -r C-l resize-pane -R 2
bind -r C-h resize-pane -L 2
bind -r C-k resize-pane -U
bind -r C-j resize-pane -D
# copy-mode (vim-like)
bind-key -T copy-mode-vi v send-keys -X begin-selection
bind-key -T copy-mode-vi r send-keys -X rectangle-toggle
# clipboard integration
bind-key -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "xsel -i -p && xsel -o -p | xsel -i -b"
bind-key p run "xsel -o | tmux load-buffer - ; tmux paste-buffer"
# pane selection (mouse)
# set -g mouse utf8 on
set -g mouse on
# copy-mode
bind C-c copy-mode
# theme
# TODO this feel sloppy (don't use an ENVVAR)
status_sep="#[fg=#888888]|#[default]"
set -g status-interval 1
set -g status-left "#h:#S $status_sep "
set -g status-left-length 32
set -g status-style "#{?@dark-theme,fg=##cccccc#,bg=##444444,fg=##2c2c2c#,bg=##d6d6d6}"
set -g window-status-style "#{?@dark-theme,fg=##9f9f9f,fg=##909090}"
set -g window-status-activity-style "#{?@dark-theme,fg=##9f9f9f,fg=##808080}"
set -g window-status-current-style "#{?@dark-theme,fg=##000000 bold#,bg=##00ff00,fg=##000000 bold#,bg=##00dd00}"
set -g window-status-separator ""
set -g window-status-format " #{?window_activity_flag,##,}#I-#W "
set -g window-status-current-format " #I-#W "
set -g visual-activity off
set -g monitor-activity on
set -g pane-border-style "#{?@dark-theme,fg=##444444,fg=##d6d6d6}"
set -g pane-active-border-style "fg=#aaaaaa"
if-shell -b '[ "$(echo "$TMUX_VERSION >= 3.2" | bc)" = 1 ]' \
"set -g pane-border-lines heavy"
set -g message-style "#{?@dark-theme,fg=##ffffaa#,bg=##666600,fg=##333300#,bg=##dddd66}"
set -g pane-border-status off
if-shell -b '[ "$(echo "$TMUX_VERSION >= 3.2" | bc)" = 1 ]' \
'set -g copy-mode-current-match-style "fg=#000000,bg=#ffffff"; set -g copy-mode-match-style "fg=#000000,bg=#aa00aa"'
# pressing F12 turns the current prefix key/keymap "OFF" and allows keypresses
# to go to a nested session if running
bind -T root F12 \
set prefix None \;\
set key-table off \;\
set status-style "#{?@dark-mode,fg=##aaaaaa#,bg=##666666,fg=##1c1c1c#,bg=##787878}" \;\
set window-status-style "#{?@dark-mode,fg=##777777,fg=##2c2c2c}" \;\
set window-status-current-style "#{?@dark-mode,fg=##666666 bold#,bg=##999999,fg=##444444 bold#,bg=##999999}" \;\
if -F '#{pane_in_mode}' 'send-keys -X cancel' \;\
refresh-client -S \;\
bind -T off F12 \
set -u prefix \;\
set -u key-table \;\
set -u status-style \;\
set -u window-status-style \;\
set -u window-status-current-style \;\
refresh-client -S
down="#($XDG_CONFIG_HOME/tmux/plugins/network down)"
up="#($XDG_CONFIG_HOME/tmux/plugins/network up)"
net="NET(↑/↓): $up $down"
cpu="CPU: #($XDG_CONFIG_HOME/tmux/plugins/cpu_perc)"
mem="RAM: #($XDG_CONFIG_HOME/tmux/plugins/mem_perc)"
# version 2.6 doesn't support brackets :/
if-shell -b '[ -n "$SSH_CLIENT" ] || [ -n "$SSH_TTY" ]'\
'set -g status-position bottom; set -g status-right-length 64; set -g status-right "$net $status_sep $cpu $status_sep $mem "' \
'set -g status-position top; set -g status-right ""; set -g status-right-length 0'