Tools/gtk/print-screen-size

#!/usr/bin/env python3
#
# Copyright (C) 2021 Igalia S.L.
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# 1. Redistributions of source code must retain the above copyright notice, this
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import argparse
import sys
import gi
gi.require_version('Gtk', '3.0')
gi.require_version('Gdk', '3.0')
from gi.repository import Gtk, Gdk


def print_screen_size(monitor_id):
    display = Gdk.Display.get_default()
    if not display:
        print('Unable to find a display')
        return 1
    monitor = display.get_monitor(monitor_id)
    if not monitor:
        print('Unable to find a monitor')
        return 1
    geometry = monitor.get_geometry()
    print('{}x{}'.format(geometry.width,  geometry.height))
    return 0


# This tool is used from the layout tests when running with the Xvfb driver,
# in order to check that the Xvfb server is alive and configured as expected.
# Please, don't modify this tool without checking first how it is used at webkitpy/port/xvfbdriver.py
if __name__ == '__main__':
    parser = argparse.ArgumentParser(description='Print the current display size (widthxheight) of a given monitor')
    parser.add_argument("-n", type=int, help='Number of the monitor the query', default=0)
    args = parser.parse_args()
    sys.exit(print_screen_size(args.n))