.tmux.conf

###############
### options ###
###############

set -g prefix C-d
set -g history-limit 8000
set -g base-index 1
set -g pane-base-index 1
set -g status-interval 2
set -g status-keys vi
set -g mode-keys vi
set -g history-file /tmp/tmux.history

# shell
set -g default-shell /usr/bin/zsh
set -g default-command /usr/bin/zsh
set -g display-panes-time 3000
set -g display-time 1000
set -s escape-time 10
set -g xterm-keys off
set -g set-titles on
set -g automatic-rename on
set -g renumber-windows on
set -g exit-unattached off
set -g mouse on
set -s focus-events on
set -sg repeat-time 300

# term
set -g default-terminal "${TERM}"
set-option -ga terminal-overrides "*:Tc"

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

# size windows based on clients looking at that window
setw -g aggressive-resize on

# enable Yazi's image preview
set -g allow-passthrough on
set -ga update-environment TERM
set -ga update-environment TERM_PROGRAM

# for hyprland
set -ga update-environment HYPRLAND_INSTANCE_SIGNATURE

################
### bindings ###
################
# C-m = Enter
# C-i = Tab
# C-h = Backspace
# C-[ = Escape
# C-j = NewLine

tmux_scripts="$HOME/.zsh.d/scripts"

# tmux command
bind : command-prompt

# reload configuration
bind -r r source-file "$HOME/.tmux.conf" \; display-message "$HOME/.tmux.conf reloaded"

# pane — create
bind -r - split-window -v -c "#{pane_current_path}"
bind -r \\ split-window -h -c "#{pane_current_path}"
bind -r _ run-shell "$tmux_scripts/new-pane-ssh.sh -v"
bind -r \| run-shell "$tmux_scripts/new-pane-ssh.sh -h"

# pane — navigate
bind -n C-s last-pane
bind -n C-o select-pane -t '{next}'

# pane — resize
bind -r z resize-pane -Z
bind -r H command-prompt -p "Push left by:"  "resize-pane -L '%%'"
bind -r J command-prompt -p "Push down by:"  "resize-pane -D '%%'"
bind -r K command-prompt -p "Push up by:"    "resize-pane -U '%%'"
bind -r L command-prompt -p "Push right by:" "resize-pane -R '%%'"

# pane — manage
bind -r p command-prompt -p "Rename pane:"   "set-option -p @pane_name '%%'"
bind -r T command-prompt -p "Join pane from:" "join-pane -bh -s '%%'"
bind -r t command-prompt -p "Send pane to:"  "join-pane -dh -t '%%'"
bind -r ] command-prompt -p "Swap pane with:" "swap-pane -d -t '%%'"
bind -r b break-pane
bind -r [ rotate-window
bind -r < select-pane -d \; display-message "Input disabled"
bind -r > select-pane -e \; display-message "Input enabled"
bind -r y setw synchronize-panes
bind -r C-o kill-pane -a
bind -r q display-panes
bind -n C-x kill-pane

# window — navigate
bind -r 0 select-window -t 0
bind -r 1 select-window -t 1
bind -r 2 select-window -t 2
bind -r 3 select-window -t 3
bind -r 4 select-window -t 4
bind -r 5 select-window -t 5
bind -r 6 select-window -t 6
bind -r 7 select-window -t 7
bind -r 8 select-window -t 8
bind -r 9 select-window -t 9
bind -n C-p last-window
bind -n C-u previous-window
bind -n C-n next-window
bind -r a select-window -t '{start}'
bind -r l select-window -t '{end}'
bind -r f command-prompt -p "Find window:"   "find-window '%%'"

# window — manage
bind -r c new-window -c "#{pane_current_path}"
bind -r n command-prompt -p "Rename window:" "rename-window -- '%%'"
bind -r s command-prompt -p "Swap window with:" "swap-window -d -t '%%'"
bind -r m command-prompt -p "Move window to:" "move-window -t '%%'"
bind -r O kill-window -a

# session
bind -r N command-prompt -p "Rename session:" "rename-session -- '%%'"
bind -r C-n switch-client -n
bind -r C-c command-prompt -p "Create session:" "new -A -s '%%'"
bind -r C-t command-prompt -p "Switch session:" "switch-client -t %%"
bind -r C-d detach

# copy mode
bind -r Enter copy-mode
bind -r v paste-buffer
bind -T copy-mode-vi v send-keys -X begin-selection
bind -T copy-mode-vi V send-keys -X select-line
bind -T copy-mode-vi C-v send-keys -X rectangle-toggle
bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "wl-copy"

# misc
bind -r M show-messages
bind -r ? list-keys
bind -r C-b set-option status
bind -r E new-window sh -c '$EDITOR $HOME/.tmux.conf'

##############
### themes ###
##############

# One Dark
tmux_color_bg="#282c34"
tmux_color_fg="#aab2bf"
tmux_color_black="#282c34"
tmux_color_gray="#5c6370"
tmux_color_red="#e06c75"
tmux_color_yellow="#e5c07b"
tmux_color_green="#98c379"
tmux_color_blue="#61afef"
tmux_color_cyan="#3e4452"
tmux_color_magenta="#c6aae8"
tmux_font_style="bold"

# format strings
tmux_reset="#[bg=default fg=${tmux_color_gray} ${tmux_font_style}]"
tmux_separator="#[bg=default fg=${tmux_color_black} ${tmux_font_style}]/"
tmux_time="#[fg=${tmux_color_blue} bg=default ${tmux_font_style}]%H:%M"
tmux_host="#[fg=${tmux_color_blue} bg=default ${tmux_font_style}]#H"
tmux_session="#[fg=${tmux_color_blue} bg=default ${tmux_font_style}]#S"
tmux_window="#[fg=${tmux_color_blue} bg=default ${tmux_font_style}]#W"
tmux_cpu="#($tmux_scripts/cpu.sh ${tmux_font_style})"
tmux_memory="#($tmux_scripts/memory.sh ${tmux_font_style})"
tmux_disk="#($tmux_scripts/disk.sh ${tmux_font_style})"
tmux_temp="#($tmux_scripts/temp.sh ${tmux_font_style})"
tmux_uptime="#[fg=${tmux_color_blue} bg=default ${tmux_font_style}]#($tmux_scripts/uptime.sh)"
tmux_ip="#[fg=${tmux_color_blue} bg=default ${tmux_font_style}]#(cat /tmp/ip_address 2>/dev/null || hostname -I | awk '{print $1}')"
tmux_hosts="#[fg=${tmux_color_blue} bg=default ${tmux_font_style}]#(cat /tmp/live_hosts 2>/dev/null|wc -l)"

tmux_index="#I#{?@pane_name,:#W.#{@pane_name},}"
tmux_current_index="#I:#W#{?@pane_name,.#{@pane_name},}"
tmux_prefix_style="#[fg=${tmux_color_green} bg=default ${tmux_font_style}]"
tmux_zoomed_style="#[fg=${tmux_color_yellow} bg=default ${tmux_font_style}]"
tmux_sync_style="#[fg=${tmux_color_yellow} bg=default ${tmux_font_style}]"
tmux_zoom_sync_style="#[fg=${tmux_color_red} bg=default ${tmux_font_style}]"

# messages
set -g message-style "bg=default,fg=${tmux_color_blue},align=left,${tmux_font_style}"
set -g message-command-style "bg=default,fg=${tmux_color_fg},align=left,${tmux_font_style}"

# pane border (styles: simple, double, heavy, number)
set -g pane-border-lines simple
set -g pane-border-style "fg=${tmux_color_gray}"
set -g pane-active-border-style "fg=${tmux_color_gray}"

# statusline
set -g status on
set -g status-position bottom
set -g status-justify left
set -g status-left-length 100
set -g status-right-length 100
set -g status-style "bg=default,fg=${tmux_color_fg}"
set -g status-left "${tmux_session}@${tmux_host} ${tmux_separator} "
set -g status-right "${tmux_reset}C${tmux_cpu} ${tmux_reset}M${tmux_memory} ${tmux_reset}D${tmux_disk} ${tmux_reset}T${tmux_temp} ${tmux_separator} ${tmux_time}"

# window style
set -g window-status-separator ""
set -g window-status-style "bg=default,fg=${tmux_color_fg},${tmux_font_style}"
set -g window-status-current-style "bg=default,fg=white"
set -g window-status-activity-style "bg=default,fg=${tmux_color_fg},${tmux_font_style}"
set -g window-status-format "#[fg=${tmux_color_gray} bg=default ${tmux_font_style}]#{?window_zoomed_flag,#{?pane_synchronized,${tmux_zoom_sync_style}${tmux_index},${tmux_zoomed_style}${tmux_index}} ,#{?pane_synchronized,${tmux_sync_style}${tmux_index},${tmux_index}} }"
set -g window-status-current-format "#[fg=${tmux_color_blue} bg=default ${tmux_font_style}]#{?client_prefix,${tmux_prefix_style}${tmux_current_index} ,#{?window_zoomed_flag,#{?pane_synchronized,${tmux_zoom_sync_style}${tmux_current_index},${tmux_zoomed_style}${tmux_current_index}} ,#{?pane_synchronized,${tmux_sync_style}${tmux_current_index},${tmux_current_index}} }}"

# mode
set -g clock-mode-colour "${tmux_color_blue}"
set -g mode-style "bg=${tmux_color_black},fg=white,${tmux_font_style}"