问是否可以在键盘输入语言更改上运行脚本？

EN

from __future__ import print_function

from gi.repository import Gio, GObject

import subprocess

def on_changed(settings, key):
  print("Key changed", key, "to", settings.get_uint(key))
  subprocess.call(["touch", "/tmp/last-input-change"])

def main():
  settings = Gio.Settings("org.gnome.desktop.input-sources")
  settings.connect("changed::current", on_changed)
  loop = GObject.MainLoop()
  loop.run()

if __name__ == "__main__":
  main()