tmux.conf

# .tmux.conf
#
# Maintained by Byungjin Park <posquit0.bj@gmail.com>
# https://www.posquit0.com/

# Grab version info about the tmux currently running
run-shell "tmux setenv -g TMUX_VERSION_MAJOR $(tmux -V | cut -d' ' -f2 | cut -d'.' -f1 | sed 's/[^0-9]*//g')"
run-shell "tmux setenv -g TMUX_VERSION_MINOR $(tmux -V | cut -d' ' -f2 | cut -d'.' -f2 | sed 's/[^0-9]*//g')"

### General {{{
  # Use UTF-8 encoding
  set-option -gq utf8
  set-window-option -gq utf8 on
  # set-option scrollback history to 50000 (50k)
  set-option -g history-limit 50000
  # Visual notification of activity in other windows
  set-window-option -g monitor-activity on
  set-option -g visual-activity on
  # No automatic renaming of windows (from commands on execution)
  set-window-option -g automatic-rename on
  # set-option title, which is also showed at iTerm tab
  # #T      = standard window title (last command, see ~/.bash_profile)
  # #h      = short hostname
  # #S      = session name
  # #I      = tmux window index
  # #W      = tmux window name
  # Attempt to set the window title using xterm code if tmux detects using xterm
  set-option -g set-titles on
  set-option -g set-titles-string "#I:#W"

  # Fix `pbcopy` and `pbpaste` bug on Mac OS X
  # INFO: Need to install `reattach-to-user-namespace`
  # if-shell "which reattach-to-user-namespace 2>/dev/null" \
  #   "set-option -g default-command 'reattach-to-user-namespace -l $SHELL'" \
  #   "set-option -g default-command '$SHELL'"
  # set-option -g default-command '$SHELL'

  # set-option the terminal color to 256color
  # set-option -g default-terminal "screen-256color"
  set-option -g default-terminal "xterm-256color"
  set-option -ga terminal-overrides ',xterm-256color:Tc'
  set-option -as terminal-overrides ',xterm*:sitm=\E[3m'

  if-shell \
  '[ $TMUX_VERSION_MAJOR -ge 4 -o \
    \( $TMUX_VERSION_MAJOR -eq 3 -a $TMUX_VERSION_MINOR -ge 2 \) ]' \
  'set -g allow-passthrough on'

### }}}

### Key Bindings {{{
  # Key combination prefix is <C-a>, not <C-b>
  set-option -g prefix C-a
  unbind-key C-b
  # Use send-prefix to pass C-a through to application
  bind C-a send-prefix

  # Reload ~/.tmux.conf using PREFIX r
  bind r source-file ~/.tmux.conf \; display "TMUX configuration is reloaded!"

  # Reduce the command delay time to something a bit shorter
  set-option -sg escape-time 0
  # Disallow multiple commands to be entered without pressing the prefix-key again
  set-option -sg repeat-time 0

  # Use vi-style key bindings in copy and choice modes
  set-window-option -g mode-keys vi
  # Use vi-style key bindings in the status line (command mode)
  set-option -g status-keys vi
  # Setup 'v' to begin selection as in Vim
  if-shell \
    '[ $TMUX_VERSION_MAJOR -ge 3 -o \
      \( $TMUX_VERSION_MAJOR -eq 2 -a $TMUX_VERSION_MINOR -ge 4 \) ]' \
    "bind-key -T copy-mode-vi 'v' send -X begin-selection"
  if-shell \
    '[ $TMUX_VERSION_MAJOR -le 1 -o \
      \( $TMUX_VERSION_MAJOR -eq 2 -a $TMUX_VERSION_MINOR -lt 4 \) ]' \
    'bind-key -t vi-copy v begin-selection'
  if-shell \
    '[ $TMUX_VERSION_MAJOR -ge 3 -o \
      \( $TMUX_VERSION_MAJOR -eq 2 -a $TMUX_VERSION_MINOR -ge 4 \) ]' \
    "bind-key -T copy-mode-vi 'y' send -X copy-selection"
  if-shell \
    '[ $TMUX_VERSION_MAJOR -le 1 -o \
      \( $TMUX_VERSION_MAJOR -eq 2 -a $TMUX_VERSION_MINOR -lt 4 \) ]' \
    'bind-key -t vi-copy y copy-selection'
  bind P paste-buffer
  # Smart pane switching with awareness of vim splits
  is_vim='echo "#{pane_current_command}" | grep -iqE "(^|\/)g?(view|n?vim?)(diff)?$"'
  # bind -n C-h if-shell "$is_vim" "send-keys C-h" "select-pane -L"
  # bind -n C-j if-shell "$is_vim" "send-keys C-j" "select-pane -D"
  # bind -n C-k if-shell "$is_vim" "send-keys C-k" "select-pane -U"
  # bind -n C-l if-shell "$is_vim" "send-keys C-l" "select-pane -R"
  # bind -n C-\ if-shell "$is_vim" "send-keys C-\\" "select-pane -l"
  # 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
  # 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

  # Open window with currrent path
  bind c new-window -c '#{pane_current_path}'
  # Use PREFIX | to split window horizontally and PREFIX - to split vertically
  bind | split-window -h -c '#{pane_current_path}'
  bind - split-window -v -c '#{pane_current_path}'

  # Make the current window the first window
  bind T swap-window -t 1

  # If enabled, request mouse input as UTF-8 on UTF-8 terminals
  set-option -gq mouse-utf8 on
  # If enabled, use mouse control in TMUX
  set-window-option -g mouse on
### }}}

### Appereance {{{
  # Let window numbers be 1-indexed
  set-option -g base-index 1
  # Automatically renumber window numbers on closing a pane (tmux >= 1.7)
  set-option -g renumber-windows on
  # Enable focus events for terminal that support them
  set-option -g focus-events on
  # set-option window notifications
  set-window-option -g monitor-activity on
  # Display a status line message when activity occurs in a window
  set-option -g visual-activity off
  # Display tmux messages for 2 seconds
  set-option -g display-time 2000
  # Enable aggressive-resize that is super useful when using grouped sessions and multi-monitor
  set-window-option -g aggressive-resize on

  ## Window {{
    set-window-option -g mode-style fg=colour254,bg=colour4,bold

    # Clock Mode {{
      # Set the clock colors
      set-window-option -g clock-mode-colour colour160
      # Set clock hour format
      set-window-option -g clock-mode-style 24
    # }}

    # Display Panes {{
      # Set the indicator colors for the active pane
      set-option -g display-panes-active-colour colour4
      # Set the indicator colors for the inactive pane
      set-option -g display-panes-colour colour245
    # }}
  ## }}

  ## Pane {{
    # Let pane numbers be 1-indexed
    set-option -g pane-base-index 1

    # Set border colors for the inactive pane
    set-option -g pane-border-style fg=colour235,bg=default
    # Set border colors for the active pane
    set-option -g pane-active-border-style fg=colour59,bg=default
  ## }}

  ## Status Line {{
    # Turn the status line on
    set-option -g status on
    # Treat top-bit-set characters in the status-left and status-right as UTF-8
    set-option -gq status-utf8 on

    # Update status every 5 seconds
    set-option -g status-interval 5
    # Set colors and attributes for the status line
    set-option -g status-style fg=colour15,bg=default,none

    # Window List {{
      ## Window List
      # Center window list for clarity
      set-option -g status-justify centre

      # Configure contents in window status
      set-window-option -g window-status-format "[#I/#{pane_current_command}]"
      # Set colors and attributes for the window status text
      set-window-option -g window-status-style fg=colour244,bg=default,dim

      # Configure contents in current window status
      set-window-option -g window-status-current-format "#I/#{pane_current_command}"
      # Set colors and attributes for the current window status text
      set-window-option -g window-status-current-style fg=colour254,bg=default,bold

      # Set colors and attributes for the status text of window which have an activity
      set-window-option -g window-status-activity-style fg=colour64,bg=default,bold
    # }

    # Left {{
      # Configure elemnts to show on left side of the status line
      # set-option -g status-left-length 70
      # set-option -g status-left "#[fg=colour1] #H"
      # set-option -ga status-left "#[fg=colour243,bold] » #[default]"
      # set-option -ga status-left "#[fg=colour35]#(whoami)"
      # set-option -ga status-left "#[fg=colour243,bold] » #[default]"
      # set-option -ga status-left "#[fg=colour38]#S"
      # set-option -ga status-left "#[fg=colour243,bold] » #[default]"
      # set-option -ga status-left "#[fg=colour249]#I:#P"
      # set-option -ga status-left "#[fg=colour243,bold] » #[default]"
      # set-option -g status-left-fg colour243
      # set-option -g status-left-style bg=default,none
    # }

    # Right {{
      # Configure elemnts to show on right side of the status line
      # set-option -g status-right-length 48
      # set-option -g status-right "#[fg=colour243,bold] « #[default]"
      # set-option -ga status-right "#{prefix_highlight}"
      # set-option -ga status-right "#[fg=white,bg=colour29,bold] #{d_day_icon} #{d_day_remain}(#{d_day_percentage}) #[default]"
      # set-option -ga status-right "#[fg=white,bg=colour64,bold]#{cpu_percentage} #[default]"
      # set-option -ga status-right "#[fg=colour233,bg=colour15] %Y-%m-%d %a %H:%M #[default]"
      # set-option -g status-right-fg colour243
      # set-option -g status-right-style bg=default,none
    # }

    # Message {{
      # Set colors and attributes for status line messages
      set-option -g message-style fg=white,bg=colour65,bright
    # }
  ## }}
### }}}

### Plugins {{{
  # List of plugins
  # Supports `github_username/repo` or full URL
  # Examples:
  # github_username/plugin_name
  # git@github.com/user/plugin
  # git@bitbucket.cmo/user/plugin
  set-option -g @plugin 'tmux-plugins/tpm'
  set-option -g @plugin 'tmux-plugins/tmux-battery'
  set-option -g @plugin 'tmux-plugins/tmux-cpu'
  set-option -g @plugin 'tmux-plugins/tmux-copycat'
  set-option -g @plugin 'tmux-plugins/tmux-open'
  set-option -g @plugin 'tmux-plugins/tmux-resurrect'
  set-option -g @plugin 'tmux-plugins/tmux-prefix-highlight'
  set-option -g @plugin 'jaclu/tmux-menus'
  set-option -g @plugin '2kabhishek/tmux2k'
  set-option -g @plugin 'navahas/tmux-grimoire'
  set-option -g @plugin 'posquit0/tmux-d-day'

  ## Shortcuts of plugins
  # TPM
  # <prefix> + I: installs new plugins from GitHub or any other git repository
  # <prefix> + U: updates plugins
  # <prefix> + alt-u: remove/uninstall plugins not on the plugin list
  # Copycat
  # <prefix> + /: regex search
  # <prefix> + ctrl-f : simple file search
  # <prefix> + ctrl-g : jumping over git status files (used after `git status` command)
  # <prefix> + alt-h: jumping over SHA-1 hashes (used after `git log` command)
  # <prefix> + ctrl-u : url search (http, ftp and git urls)
  # <prefix> + ctrl-d : number search (mnemonic d, as digit)
  # <prefix> + alt-i : ip address search
  # n, N: jumps to the next/previous match
  # Enter: To copy a highlighted match (vi mode)
  # ctrl-w / alt-w: To copy a highlighted match (emacs mode)
  # <prefix> + ]: To paste (this is Tmux default paste)
  # Open
  # o: open a highlighted selection with the system default program (open for OS X)
  # ctrl-o: open a highlighted selection with the $EDITOR
  # Resurrect
  # <prefix> + ctrl-s: save
  # <prefix> + ctrl-r: restore
  # Menus
  # <prefix> + \: Display menus

  ## Plugin: Resurrect {{
    # set-option directory to save TMUX environments
    set-option -g @resurrect-dir '~/.tmux-resurrect'
    # Enable saving and restoring tmux pane contents
    set-option -g @resurrect-capture-pane-contents 'on'
    # Configuration for advanced restoring
    set-option -g @resurrect-processes '          \
      vi vim nvim gvim emacs man less more tail   \
      top htop glances iotop iftop sudo           \
      ssh irssi weechat weechat-curses mutt       \
      python ipython git tig mysql sqlite3 psql   \
    '
  ## }}
  ## Plugin: Menus {{
    # Use this in order to trigger menus without first hitting <prefix>
    set-option -g @menus_without_prefix 'No'
    # Disabling caching also disables the Custom Menus feature
    set-option -g @menus_use_cache 'Yes'
    # Some menu items will display tmux dialogs, where each have their own rather complex set of special key bindings - choose-buffer, choose-client, choose-tree and customize-mode
    # This feature is not available when whiptail / dialog is used.
    set-option -g @menus_use_hint_overlays 'Yes'
    # Since those key-listings tend to be rather long they might not fit on screen, and thus be silently skipped. Enabling this will offer an extra option Key Hints on each menu featuring an alternative that will display such a dialog, and mentioning which item on that menu it is related to.
    set-option -g @menus_show_key_hints 'Yes'
    # Each menu will include an extra item Display Commands with the shortcut !
    # This feature is not available when whiptail / dialog is used or caching is disabled.
    set-option -g @menus_display_commands 'Yes'
  ## }}
  ## Plugin: 2K {{
    set-option -g @tmux2k-theme 'onedark'
    set-option -g @tmux2k-show-powerline true
    set-option -g @tmux2k-icons-only false

    # to set powerline symbols
    set-option -g @tmux2k-left-sep 
    set-option -g @tmux2k-right-sep 
    set-option -g @tmux2k-window-list-left-sep 
    set-option -g @tmux2k-window-list-right-sep 
    # Sets the format for the window list
    set-option -g @tmux2k-window-list-format '#I:#W' 
    # Enables compact mode for the window list
    set-option -g @tmux2k-window-list-compact true

    set-option -g @tmux2k-session-icon ""
  ## }}
  ## Plugin: Grimoire {{
    # Key Bindings
    set-option -g @grimoire-key "f"
    set-option -g @ephemeral-grimoire-key "F"
    set-option -g @grimoire-kill-key "C"

    # Global appearance
    set-option -g @grimoire-title   ' 󱥭 '
    set-option -g @grimoire-color   '#6c6c65'
    set-option -g @grimoire-width '80%'
    set-option -g @grimoire-height '70%'
    set-option -g @grimoire-position 'bottom-center'

    # Custom shpells
    bind-key -T prefix g run-shell "custom_shpell ephemeral lazygit 'lazygit'"
    set-option -g @shpell-lazygit-color '#dcdccd'
    set-option -g @shpell-lazygit-position 'center'
    set-option -g @shpell-lazygit-width '80%'
    set-option -g @shpell-lazygit-height '80%'

    # bind-key -T prefix t run-shell "custom_shpell ephemeral system-monitor 'btop'"
    # set-option -g @shpell-system-monitor-color ''
    # set-option -g @shpell-system-monitor-position 'bottom-center'
    # set-option -g @shpell-system-monitor-width '80%'
    # set-option -g @shpell-system-monitor-height '80%'
  ## }}
  ## Plugin: D-Day {{
    set-option -g @d_day_start_date '2018-01-01'
    set-option -g @d_day_end_date '2019-02-22'
    set-option -g @d_day_icon '✓'
  ## }}
  # Initializes TMUX plugin manager.
  # Keep this line at the very bottom of tmux.conf
  run '~/.tmux/plugins/tpm/tpm'
### }}}