My Tmux.conf Config

tmux.conf

# Change the default prefix for tmux commands from "C-b" (Ctrl + b) to "C-a" (Ctrl + a)
set-option -g prefix C-a

# Unbind the "C-b" key
unbind-key C-b

# Bind "C-a" as the prefix for sending commands
bind-key C-a send-prefix

# Enable mouse support in tmux, allowing interactions such as resizing panes
set-option -g mouse on

# Configure the status bar: background color, foreground color
set-option -g status-style "bg=#1C1C1C,fg=#CACACA"

# Define the maximum lengths for the left and right sections of the status bar
set-option -g status-left-length 60
set-option -g status-right-length 90

# Define what will be displayed on the left section of the status bar
# This includes the session, window, and pane IDs, as well as special Unicode characters for aesthetics
set-option -g status-left "#[fg=#CACACA]Session: #S #[fg=#FFFFFF]#[fg=#CACACA] Window: #[fg=#FFFFFF]#I
#[fg=#CACACA]#[fg=#FFFFFF]#[fg=#CACACA] Pane: #[fg=#FFFFFF]#P"

# Define what will be displayed on the right section of the status bar
# This includes CPU information and the current date and time
set-option -g status-right "#[fg=#CACACA]CPU: #(sysctl -n hw.ncpu) #[fg=#FFFFFF]#[fg=#CACACA] %Y-%m-%d %H:%M "

# Configure the status bar for the current window
set-window-option -g window-status-current-style "bg=#1C1C1C,fg=#FFFFFF"
set-window-option -g window-status-current-format "#[fg=#1C1C1C]#[fg=#FFFFFF] #I #[fg=#1C1C1C]#[fg=#CACACA] #W "

# Configure the status bar for other windows
set-window-option -g window-status-style "bg=#1C1C1C,fg=#CACACA"
set-option -g window-status-format "#[fg=#1C1C1C]#[fg=#CACACA] #I #[fg=#1C1C1C]#[fg=#CACACA] #W "
set-window-option -g window-status-separator ""

# Define key bindings for BackSpace and Delete keys, enabling specific behavior when these keys are pressed
bind-key -n BackSpace send-keys -R\; send-keys C-h
bind-key -n Delete send-keys -R\; send-keys C-u

# Set default command shell to zsh
set-option -g default-command "zsh"

# Set the base index for windows and panes to start from 1 instead of 0
set-option -g base-index 1
set-window-option -g pane-base-index 1

# Define d key to run shell with dmenu_run prompt
bind-key d run-shell 'dmenu_run -p "Run:"'

# Define mouse left click inside pane to run shell with dmenu_run prompt
bind-key -n MouseDown1Pane run-shell "dmenu_run -p \"Run:\""

# Create log file for tmux output if it does not exist, and pipe the pane output to the log file
run-shell "if [ ! -f ~/.tmux.conf.log ]; then touch ~/.tmux.conf.log; fi"
run-shell "tmux pipe-pane -o 'exec cat >> ~/.tmux.conf.log'"

# Position the status bar at the top of the screen
set-option -g status-position top

# Justify the status bar to the right of the screen
set-option -g status-justify right

# Define the colors for the status bar
set-option -g status-style bg=default,fg=white

# Set the foreground color of the status bar to colour15
set-option -g status-fg colour15

# Set the background color of the status bar to black
set-option -g status-bg black

# Set the status bar update interval to 1 second
set-option -g status-interval 1

# Define the maximum length for the right section of the status bar
set-option -g status-right-length 10

# Define the colors for the command mode prompt
set-window-option -g mode-style bg=colour8,fg=white

# Define the colors for the message line
set-option -g message-style bg=black,fg=white

# Set the separator for window titles in the status bar to none
setw -g window-status-separator ""

# Set the default background color for the status bar
set-option -g status-bg default

# Specify terminal capabilities that tmux should assume the terminal supports
set-option -sa terminal-overrides ",xterm*:Tc"

# Set the default terminal for new windows to "tmux-256color"
set-option -g default-terminal "tmux-256color"

# Set the maximum number of commands to remember in the history
set-option -g history-limit 5000

# Turn off the visual bell for alerts
set-window-option -g visual-bell off

# Set the action to perform when an alert is triggered
set-window-option -g bell-action any

# Don't keep a window around after the command it's running exits
set-option -g remain-on-exit off

# Renumber windows sequentially when a window is closed
set-option -g renumber-windows on

# Show the pane's border status at the top
set-window-option -g pane-border-status top

# Format the pane border with the current path
set-window-option -g pane-border-format "#[align=left]#[fg=dim]─ #{s|$HOME|~|:pane_current_path} ─"

# Set the color of the active pane's border
set-option -g pane-active-border-style fg=default,bold

# Set the color and other styles of the pane border
set-option -g pane-border-style fg=colour8,dim,overline

# Unbind the "C-b" key again
unbind C-b

# Bind "C-a" as the prefix for sending commands again
bind C-a send-prefix

# Bind "C-M-f" to enter copy mode and then search forward
bind-key -n C-M-f copy-mode \; send-key ^S

# Bind "p" to display a popup window
bind p display-popup

# Bind "S-right" to swap the current pane with the next pane
bind S-right swap-pane -D

# Bind "S-left" to swap the current pane with the previous pane
bind S-left swap-pane -U

# Bind mouse wheel up in copy mode to scroll up two lines
bind -T copy-mode WheelUpPane select-pane \; send-keys -X -N 2 scroll-up

# Bind mouse wheel down in copy mode to scroll down two lines
bind -T copy-mode WheelDownPane select-pane \; send-keys -X -N 2 scroll-down

# Bind "m" to toggle monitoring of activity in the current pane
bind m set monitor-activity

# Bind "y" to synchronize input to all panes in the current window
bind y set synchronize-panes\; display 'synchronize-panes #{?synchronize-panes,on,off}'

# Create a new detached session with the name of the current user
new -d -s $USER