.tmux.conf

## general settings

set -g @continuum-save-interval '5'

if-shell "test -f /bin/zsh" "set -g default-command /bin/zsh"

set -g mouse on

set -g default-terminal "xterm-kitty"
setenv -g COLORTERM truecolor

set -g base-index 1
setw -g pane-base-index 1

setw -g monitor-activity on
set -g visual-activity off

set -g set-titles on
set -g set-titles-string "#S: #W#{?$SSH_CLIENT, (#h),}"

set -g @yank_action 'copy-pipe'

# window indices
set -g base-index 1
setw -g pane-base-index 1
set -g renumber-windows on

# session indices, resurrect on startup
set-hook -g session-created "run $HOME/Util/tmux_startup.sh\; run $HOME/Util/renumber_tmux_sessions.sh"
set-hook -g session-closed "run $HOME/Util/renumber_tmux_sessions.sh"

# toggle temporary session
bind t set-option destroy-unattached

# reset a pane
bind S respawn-pane -k \; clear-history

## vim bindings
set -g mode-keys vi
unbind p
bind p paste-buffer -p
bind Escape copy-mode

bind-key -T copy-mode-vi Escape send -X cancel
bind-key -T copy-mode-vi 'v' send -X begin-selection
bind-key -T copy-mode-vi 'V' send -X select-line
bind-key -T copy-mode-vi 'r' send -X rectangle-toggle
bind-key -T copy-mode-vi 'd' send -X halfpage-down
bind-key -T copy-mode-vi 'u' send -X halfpage-up

# Smart pane switching with awareness of Vim splits.
# See: https://github.com/christoomey/vim-tmux-navigator
is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
    | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"
bind-key -n 'C-h' if-shell "$is_vim" "send-keys C-h"  "select-pane -L"
bind-key -n 'C-j' if-shell "$is_vim" "send-keys C-j"  "select-pane -D"
bind-key -n 'C-k' if-shell "$is_vim" "send-keys C-k"  "select-pane -U"
bind-key -n 'C-l' if-shell "$is_vim" "send-keys C-l"  "select-pane -R"
bind-key -T copy-mode-vi C-h select-pane -L
bind-key -T copy-mode-vi C-j select-pane -D
bind-key -T copy-mode-vi C-k select-pane -U
bind-key -T copy-mode-vi C-l select-pane -R

# colors
highlight_bg="cyan"
highlight_fg="black"
muted_text_bg="black"
text_bg="brightblack"
text_fg="white"
active_bg="yellow"

# status line
set -g status-left "#[fg=#{text_fg},bg=#{text_bg}] #S#{?#{==:#{E:destroy-unattached},on},*,} #[fg=#{text_fg},bg=#{muted_text_bg}] "
set -g status-left-length 20
set -g status-right " #[fg=#{text_fg},bg=#{text_bg}] #(whoami)@#h #(gitmux -cfg ~/.gitmux.conf '#{pane_current_path}')"
set -g status-right-length 75
set -g status-interval 1

# status colors
set -g status-bg $muted_text_bg
set -g status-fg $text_fg

# window list
setw -g window-status-format "#[fg=#{text_fg},bg=#{text_bg},bold] #I #[nobold]#W "
 
# active window
setw -g window-status-current-format "#[fg=#{highlight_fg},bg=#{highlight_bg},bold] #I #[nobold]#W #{?window_zoomed_flag,Z ,}"
setw -g window-status-separator ""

# window activity
setw -g window-status-activity-style bg=$active_bg
 
# panes
set -g pane-border-style fg=$muted_text_bg
set -g pane-active-border-style fg=$highlight_bg
set -g display-panes-colour $muted_text_bg
set -g display-panes-active-colour $text_bg
 
# command/message line
set -g message-style bg=$highlight_bg,fg=$highlight_fg
set -g message-command-style bg=$text_bg,fg=$highlight_bg
 
# make the window list appear at the left-hand side instead of at the center
set -g status-justify left

# add plugins
run-shell ~/.tmux/plugins/tmux-sensible/sensible.tmux
run-shell ~/.tmux/plugins/tmux-pain-control/pain_control.tmux
run-shell ~/.tmux/plugins/tmux-resurrect/resurrect.tmux
run-shell ~/.tmux/plugins/tmux-continuum/continuum.tmux
run-shell ~/.tmux/plugins/tmux-open/open.tmux
run-shell ~/.tmux/plugins/tmux-yank/yank.tmux

unbind-key -T copy-mode-vi MouseDragEnd1Pane