from typing import Awaitable
import asyncio
import i3ipc
import threading

def pollTitle(c):
    # i3.get_tree().find_focused().name
    print(c.get_tree().find_focused().window_class)

async def run() -> Awaitable[str]:
    i3 = i3ipc.Connection()
    i3.on("window", lambda _p_i3, _p_e: pollTitle(_p_i3))
    threading.Thread(target=i3.main).start()

asyncio.run(run())