def test_gtk_schedule_action_absolute(self):
scheduler = GtkScheduler(GLib)
gate = threading.Semaphore(0)
starttime = default_now()
endtime = None
def action(scheduler, state):
nonlocal endtime
endtime = default_now()
due = scheduler.now + timedelta(milliseconds=100)
scheduler.schedule_absolute(due, action)
def done(data):
Gtk.main_quit()
gate.release()
return False
GLib.timeout_add(200, done, None)
Gtk.main()
gate.acquire()
assert endtime is not None
diff = endtime - starttime
assert diff > timedelta(milliseconds=80)
def test_gtk_schedule_action(self):
scheduler = GtkScheduler(GLib)
gate = threading.Semaphore(0)
ran = False
def action(scheduler, state):
nonlocal ran
ran = True
scheduler.schedule(action)
def done(data):
Gtk.main_quit()
gate.release()
return False
GLib.timeout_add(50, done, None)
Gtk.main()
gate.acquire()
assert ran is True
def test_gtk_schedule_action_cancel(self):
ran = False
scheduler = GtkScheduler(GLib)
gate = threading.Semaphore(0)
def action(scheduler, state):
nonlocal ran
ran = True
d = scheduler.schedule_relative(0.1, action)
d.dispose()
def done(data):
Gtk.main_quit()
gate.release()
return False
GLib.timeout_add(200, done, None)
Gtk.main()
gate.acquire()
assert ran is False
def test_gtk_schedule_action_periodic(self):
scheduler = GtkScheduler(GLib)
gate = threading.Semaphore(0)
period = 0.05
counter = 3
def action(state):
nonlocal counter
if state:
counter -= 1
return state - 1
scheduler.schedule_periodic(period, action, counter)
def done(data):
Gtk.main_quit()
gate.release()
return False
GLib.timeout_add(300, done, None)
Gtk.main()
gate.acquire()
assert counter == 0
def main():
scheduler = GtkScheduler(GLib)
scrolled_window = Gtk.ScrolledWindow()
window = Window()
window.connect("delete-event", Gtk.main_quit)
container = Gtk.Fixed()
scrolled_window.add(container)
window.add(scrolled_window)
text = "TIME FLIES LIKE AN ARROW"
def on_next(info):
label, (x, y), i = info
container.move(label, x + i * 12 + 15, y)
label.show()
def handle_label(label, i):
delayer = ops.delay(i * 0.100)
mapper = ops.map(lambda xy: (label, xy, i))
return window.mousemove.pipe(
delayer,
mapper,
)
def make_label(char):
label = Gtk.Label(label=char)
container.put(label, 0, 0)
label.hide()
return label
mapper = ops.map(make_label)
labeler = ops.flat_map_indexed(handle_label)
reactivex.from_(text).pipe(
mapper,
labeler,
).subscribe(on_next, on_error=print, scheduler=scheduler)
window.show_all()
Gtk.main()
def test_gtk_schedule_now_units(self):
scheduler = GtkScheduler(GLib)
diff = scheduler.now
sleep(0.1)
diff = scheduler.now - diff
assert timedelta(milliseconds=80) < diff < timedelta(milliseconds=180)
def test_gtk_schedule_now(self):
scheduler = GtkScheduler(GLib)
diff = scheduler.now - default_now()
assert abs(diff) < timedelta(milliseconds=1)