screens.sh

#!/bin/bash

# Replace these values with your actual setup
DISPLAY_NAME="HDMI-1"
WIDTH=2560
HEIGHT=1080
CUSTOM_MODE_NAME="${WIDTH}x${HEIGHT}"

# Check if the display is connected
if xrandr | grep -q "$DISPLAY_NAME disconnected"; then
    echo "$DISPLAY_NAME is not connected!"
    exit 1
fi

# Use cvt to generate modeline data
MODELINEDATA=$(cvt $WIDTH $HEIGHT | grep Modeline | cut -d' ' -f4-)

# Add custom mode
if ! xrandr --newmode "$CUSTOM_MODE_NAME" $MODELINEDATA; then
    echo "Failed to create the new mode."
    exit 1
fi

# Add mode to display
if ! xrandr --addmode $DISPLAY_NAME "$CUSTOM_MODE_NAME"; then
    echo "Failed to add the mode to the display."
    exit 1
fi

# Apply the new resolution
if ! xrandr --output $DISPLAY_NAME --mode "$CUSTOM_MODE_NAME"; then
    echo "Failed to apply the new resolution."
    exit 1
fi

echo "Successfully applied the custom resolution $CUSTOM_MODE_NAME to $DISPLAY_NAME."