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import asyncio
from gi.repository import Gtk
import gbulb
@asyncio.coroutine
def counter(label):
i = 0
while True:
label.set_text(str(i))
yield from asyncio.sleep(1)
i += 1
@asyncio.coroutine
def text_watcher(label):
while True:
yield from gbulb.wait_signal(label, "changed")
print("label changed", label.get_text())
def main():
gbulb.install(gtk=True)
loop = gbulb.get_event_loop()
display = Gtk.Entry()
vbox = Gtk.VBox()
vbox.pack_start(display, True, True, 0)
win = Gtk.Window(title="Counter window")
win.connect("delete-event", lambda *args: loop.stop())
win.add(vbox)
win.show_all()
asyncio.ensure_future(text_watcher(display))
asyncio.ensure_future(counter(display))
loop.run_forever()
if __name__ == "__main__":
main()
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