switch between screen mode (like in case of presentation)

polybar-rofi-screen-mode.sh

#!/bin/bash

# Define the path to the mode file
MODE_FILE=~/.config/polybar/current_screen_mode

# Create the mode file with a default value if it doesn't exist
if [ ! -f "$MODE_FILE" ]; then
    echo "default" > "$MODE_FILE"
fi

# Get the current mode
MODE=$(cat "$MODE_FILE")

# Get the primary screen
PRIMARY=$(xrandr | grep " connected primary" | cut -d' ' -f1)

# Get the largest screen (excluding the primary screen)
LARGEST=$(xrandr | grep " connected" | grep -v "$PRIMARY" | awk '{print $1, $4}' | sort -nrk2,2 | head -n1 | awk '{print $1}')

# Ensure that a secondary screen is available
if [ -z "$LARGEST" ]; then
    LARGEST=$PRIMARY
fi

# Define the options for rofi
OPTIONS="default\nmirror\nextend"

# Use rofi to get the user selection
SELECTION=$(echo -e "$OPTIONS" | rofi -dmenu -p "Select screen mode:")

# Apply the selected mode
case "$SELECTION" in
    "default")
        xrandr --output $PRIMARY --auto
        echo "default" > "$MODE_FILE"
        ;;
    "mirror")
        xrandr --output $LARGEST --auto --same-as $PRIMARY
        echo "mirror" > "$MODE_FILE"
        ;;
    "extend")
        xrandr --output $LARGEST --auto --right-of $PRIMARY
        echo "extend" > "$MODE_FILE"
        ;;
    *)
        # Handle the case where no valid option is selected
        echo "Invalid selection or operation canceled."
        ;;
esac