tmux (terminal multiplexer) personalised config. Store the following code in file called .tmux.conf under ~/

.tmux.conf

# --- GET tmux (mac)
# 1. $: brew install tmux
# 2. $: tmux
# 3. $: touch ~/.tmux.conf
# 4. $: tmux source-file ~/.tmux.conf # <- to attach config to that new file
# 5. Copy everything below and paste into the ~/.tmux.conf file

# --- .tmux.conf content:

# Config file for tmux shortcuts.
# Some kudos to https://www.hamvocke.com/blog/a-guide-to-customizing-your-tmux-conf/

# -----------------------------------
# Reload config file and show message
# -----------------------------------
bind r source-file ~/.tmux.conf \; display-message "~/.tmux.conf reloaded"
# Run that command to activate changes if you don't trust the above
# tmux source-file ~/.tmux.conf

# ---------------------------------------------
# Remap prefix from 'Control-b' to 'Control-z'.
# ---------------------------------------------
unbind C-b
set-option -g prefix C-z
bind-key C-z send-prefix

# -------------------------
# Split panes using h and v 
# -------------------------
unbind %
bind h split-window -h
unbind '"'
bind v split-window -v

# -------------------------
# Tabs: informative
# -------------------------
# add tab: c
# rename: ,

# ------------------------------------------------
# Switch panes using Alt+Arrow keys without prefix
# ------------------------------------------------
bind -n M-Left select-pane -L
bind -n M-Right select-pane -R
bind -n M-Up select-pane -U
bind -n M-Down select-pane -D

# ----------------------------------------------------------------
# Enable mouse control (clickable windows, panes, resizable panes)
# ----------------------------------------------------------------
set -g mouse on
bind -n WheelUpPane if-shell -F -t = "#{mouse_any_flag}" "send-keys -M" "if -Ft= '#{pane_in_mode}' 'send-keys -M' 'select-pane -t=; copy-mode -e; send-keys -M'"
bind -n WheelDownPane select-pane -t= \; send-keys -M
bind -n C-WheelUpPane select-pane -t= \; copy-mode -e \; send-keys -M
bind -T copy-mode-vi    C-WheelUpPane   send-keys -X halfpage-up
bind -T copy-mode-vi    C-WheelDownPane send-keys -X halfpage-down
bind -T copy-mode-emacs C-WheelUpPane   send-keys -X halfpage-up
bind -T copy-mode-emacs C-WheelDownPane send-keys -X halfpage-down

# To copy, left click and drag to highlight text in yellow, once you release left click yellow text will disappear and will automatically be available in clibboard
# Use vim keybindings in copy mode
setw -g mode-keys vi
# Update default binding of `Enter` to also use copy-pipe
unbind -T copy-mode-vi Enter
bind-key -T copy-mode-vi Enter send-keys -X copy-pipe-and-cancel "xclip -selection c"
bind-key -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "xclip -in -selection clipboard"; display-message "Selection copied!"

# ----------------------------
# Increase scroll-back history
# ----------------------------
set -g history-limit 1000000

# -----------------------------------------
# Highlight window when it has new activity
# -----------------------------------------
set -g monitor-activity on
set -g visual-activity on

# --------------
# Set status bar
# --------------
set -g status on
set -g status-interval 5
set -g status-position top # top, bottom
set -g status-justify left # left, centre, right
set -g status-style fg=default,bold,bg=default

# Display message style
set -g message-command-style fg=green,bg=black
set -g message-style fg=green,bold,reverse,bg=black

# Left status - time, my name
set -g status-left-length 70
set -g status-left  '#[fg=colour143,dim]🕛 %m-%d %R#(acpi | cut -d ',' -f 2) 💻 #[fg=colour143] #(whoami) |'

# Right status - get the current git branch without the star
set -g status-right-length 70
set -g status-right '🐙 #(cd #{pane_current_path}; git rev-parse --abbrev-ref HEAD)' 

# Generic tab style
# set -g window-status-separator '|'
set -g window-status-separator ' '
set -g window-status-format '   #F#W '
set -g window-status-style fg=magenta,dim,bg=default

# Current tab style
set -g window-status-current-format '#[default]|🐟 #F#W|'
set -g window-status-current-style fg=colour13,bold,bg=colour234
set -g window-status-current-bg white
set -g window-status-current-fg black
set -g window-status-current-attr bold
set -g window-status-activity-style fg=green,bold,bg=black

# Automatically set window title
set -g automatic-rename on
set-option -g set-titles on
set-option -g renumber-windows on