tmux.conf

# Terminal type configuration
set -g default-terminal 'tmux-256color'
set -ga terminal-overrides ",xterm-256color:Tc"

# Pane splitting and resizing
unbind '"'
unbind '%'
bind-key '\' split-window -h -c "#{pane_current_path}"
bind-key '-' split-window -v -c "#{pane_current_path}"
bind -r H resize-pane -L 5
bind -r J resize-pane -D 5
bind -r K resize-pane -U 5
bind -r L resize-pane -R 5
bind -r Space next-layout

# Vim Style Pane Navigation
is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
    | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"
is_fzf="ps -o state= -o comm= -t '#{pane_tty}' \
    | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?fzf$'"

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 || $is_fzf" "send-keys C-j"  "select-pane -D"
bind-key -n 'C-k' if-shell "$is_vim || $is_fzf" "send-keys C-k"  "select-pane -U"
bind-key -n 'C-l' if-shell "$is_vim" "send-keys C-l"  "select-pane -R"

tmux_version='$(tmux -V | sed -En "s/^tmux ([0-9]+(.[0-9]+)?).*/\1/p")'
if-shell -b '[ "$(echo "$tmux_version < 3.0" | bc)" = 1 ]' \
  "bind-key -n 'C-\\' if-shell \"$is_vim\" 'send-keys C-\\'  'select-pane -l'"
if-shell -b '[ "$(echo "$tmux_version >= 3.0" | bc)" = 1 ]' \
  "bind-key -n 'C-\\' if-shell \"$is_vim\" 'send-keys C-\\\\'  'select-pane -l'"

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
bind-key -T copy-mode-vi 'C-\' select-pane -l

# Window movement
bind -r "<" swap-window -t -1
bind -r ">" swap-window -t +1

# Window navigation
bind -r [ previous-window
bind -r ] next-window

# Vi bindings for everything
set -g status-keys vi
set -g mode-keys vi

# remap prefix from 'C-b' to 'C-s'
unbind C-b
set -g prefix C-s
bind C-s run 'true'  # Use prefix as toggle
# start tab numbering on 1
set -g base-index 1

# start pane numbering on 1
setw -g pane-base-index 1

# Automatically re-number windows after one of them is closed
set -g renumber-windows on

# Increase the scrollback history limit to make Tmux panes remember more lines:
set -g history-limit 10000

set -g mouse on

# Easy reloading of tmux config
bind r run -b ' \
  tmux source-file ~/.tmux.conf > /dev/null; \
  tmux display-message "Sourced .tmux.conf!"'


# Copy and paste
# ---------------------------------------------------------------
# Workaround to allow accessing OSX pasteboard
set-option -g default-command "reattach-to-user-namespace -l $SHELL"

bind p run "reattach-to-user-namespace pbpaste | tmux load-buffer -; tmux paste-buffer"
bind y copy-mode
bind -T copy-mode-vi 'v' send -X begin-selection
bind -T copy-mode-vi 'y' send -X copy-pipe-and-cancel "tmux save-buffer - | reattach-to-user-namespace pbcopy"

# Status bar
# ---------------------------------------------------------------
# Update the status bar every few seconds
set -g status-interval 5

# <host> .... <windows> .... <info>
set -g status-left ' #h '
set -g status-left-length 30
set -g window-status-format ' #{?window_zoomed_flag,*  ,}#I:#W '
set -g window-status-current-format ' #{?window_zoomed_flag,*  ,}#I:#W '
set -g status-right '%m/%d | %H:%M '
set -g status-justify centre

set -g status-right '#{prefix_highlight} | #{battery_icon} #{battery_percentage} | %m/%d | %H:%M '
# Plugin Settings
# ---------------------------------------------------------------
set -g @batt_discharging_icon '-'
set -g @batt_full_charge_icon '-'
set -g @batt_high_charge_icon '-'
set -g @batt_medium_charge_icon '-'
set -g @batt_low_charge_icon '-'
set -g @batt_charged_icon ' '
set -g @batt_charging_icon '+'
set -g @resurrect-dir "~/.tmux/tmux/resurrect"
set -g @resurrect-save 'S'
set -g @resurrect-restore 'R'
set -g @resurrect-capture-pane-contents 'off'
set -g @resurrect-save-shell-history 'off'

# Tmux plugins
# ---------------------------------------------------------------
# List of plugins
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'tmux-plugins/tmux-battery'
set -g @plugin 'tmux-plugins/tmux-prefix-highlight'
set -g @plugin 'tmux-plugins/tmux-resurrect'

# Initialize TMUX plugin manager (keep this line at the very bottom of tmux.conf)
run '~/.tmux/plugins/tpm/tpm'