#!/usr/bin/python3
import subprocess

import gi
gi.require_version('Gdk', '3.0')
from gi.repository import Gdk

out = subprocess.run(["xrandr"], capture_output=True).stdout.decode()

outlines = out.split("\n")
output = None

for line in outlines:
    if ("Virtual" in line) and ("primary" in line):
        output = line.partition(" ")[0]

monitor = Gdk.Display.get_default().get_primary_monitor()
geo = monitor.get_geometry()

if output:
    print("Found virtual display: %s" % output)

    if geo.height < 768:
        subprocess.run(["xrandr", "--output", output, "--mode", "1024x768"])

