#!/usr/bin/env python3
# This script is useful if you want to find out the starting app_id / class /
# name of a window to create rules. Run it in a terminal and open the app(s) you
# are interested in.
import i3ipc

i3 = i3ipc.Connection()

def on_new_window(i3, e):
    app_id = e.container.app_id or '[NONE]'
    window_class = e.container.window_class or '[NONE]'
    name = e.container.name or '[NONE]'
    print('--------------')
    print('app_id', app_id)
    print('window_class', window_class)
    print('name', name)

i3.on("window::new", on_new_window)
i3.main()