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#!/usr/bin/env python3
import os
from typing import Union
import i3ipc
from i3ipc import Event
from i3ipc.events import WindowEvent, WorkspaceEvent
class Connection(i3ipc.Connection):
def handle(
self,
*events: Union[Event, str],
):
def wrapped(handler):
for event in events:
self.on(event, handler)
return handler
return wrapped
max_length = int(os.environ.get("max_length", 30))
sway = Connection()
@sway.handle(
Event.WINDOW_FOCUS,
Event.WINDOW_TITLE,
Event.WINDOW_NEW,
Event.WINDOW_CLOSE,
Event.WORKSPACE_FOCUS,
)
def on_window_event(sway: i3ipc.Connection, event: WindowEvent | WorkspaceEvent):
focused = sway.get_tree()
while focused is not None and focused.ipc_data["type"] != "con":
focused = focused.find_focused()
if focused:
print(focused.ipc_data["name"][:max_length], flush=True)
else:
print("", flush=True)
if __name__ == "__main__":
sway.main()
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