xr.sh

#!/bin/bash

# Get the list of connected monitors
connected_monitors=$(xrandr --query | grep " connected" | awk '{print $1}')

declare -A monitor_max_res

for monitor in $connected_monitors; do
    # Get the preferred mode for this monitor
    preferred_mode=$(xrandr --query | sed -n "/^$monitor connected/,/^[^ ]/p" | grep -Eo '[0-9]+x[0-9]+\s+\S+\s+\*' | head -n1 | awk '{print $1}')
    if [ -n "$preferred_mode" ]; then
        monitor_max_res["$monitor"]="$preferred_mode"
    else
        # If no preferred mode, use the first mode listed
        modes=$(xrandr --query | sed -n "/^$monitor connected/,/^[^ ]/p" | grep -Eo '^[ ]+[0-9]+x[0-9]+' | tr -d ' ')
        max_res=$(echo "$modes" | head -n1)
        monitor_max_res["$monitor"]="$max_res"
    fi
done

# Check if any monitors were detected
if [ "${#monitor_max_res[@]}" -eq 0 ]; then
    echo "No connected monitors detected."
    exit 1
fi

# Process command-line arguments
if [ "$#" -gt 0 ]; then
    monitors=()
    declare -A monitor_options
    current_monitor=""
    connected_monitors_array=("${!monitor_max_res[@]}")

    for arg in "$@"; do
        if [[ " ${connected_monitors_array[@]} " =~ " ${arg} " ]]; then
            # It's a monitor name
            current_monitor="$arg"
            monitors+=("$arg")
            monitor_options["$current_monitor"]=""
        else
            # It's an option
            if [ -z "$current_monitor" ]; then
                echo "Error: Option '$arg' provided before any monitor name."
                exit 1
            fi
            monitor_options["$current_monitor"]+=" $arg"
        fi
    done
else
    # No arguments provided, use all connected monitors
    monitors=("${!monitor_max_res[@]}")
    for monitor in "${monitors[@]}"; do
        monitor_options["$monitor"]=""
    done
fi

# Build the xrandr command
command="xrandr"

# Variables to calculate positions
x_offset=0

for monitor in "${monitors[@]}"; do
    options="${monitor_options[$monitor]}"
    resolution="${monitor_max_res[$monitor]}"
    if [ -z "$resolution" ]; then
        echo "Error: No maximum resolution found for monitor $monitor."
        exit 1
    fi
    width=$(echo "$resolution" | cut -d'x' -f1)
    height=$(echo "$resolution" | cut -d'x' -f2)

    # Position calculation
    position="--pos ${x_offset}x0"

    # Add the monitor to the command
    command+=" --output $monitor --mode $resolution $position$options"

    # Update x_offset for the next monitor
    x_offset=$((x_offset + width))
done

# Print the constructed command for debugging
echo "Executing command: $command"

# Execute the xrandr command
echo $command