def build_ui(self, screen: Screen, current_scene: str):
view_dict = defaultdict(list)
for con in self.browser_controllers:
scene_name, view = con.build_view(screen)
view_dict[scene_name].append(view)
scenes = [Scene(views, -1, name=name) for (name, views) in view_dict.items()]
screen.set_scenes(scenes, start_scene=current_scene)
def screen_logic(self, screen: Screen):
from datetime import datetime, timedelta
t0 = datetime.now()
try:
for t in range(self.seconds + 1):
# For best accuracy, calculate time till next "frame" based on actual time
wait_for_it = t0 + timedelta(seconds=t)
seconds_to_wait = (wait_for_it - datetime.now()).total_seconds()
if seconds_to_wait > 0:
time.sleep(seconds_to_wait)
elif seconds_to_wait < -0.1:
# Skip a frame if we're running late
continue
effects = [Print(screen, FigletText(str(self.seconds - t)), 0)]
scene = Scene(effects, 40)
screen.set_scenes([scene])
# Strange, it seems a few frames need to be skipped.
for _ in range(10):
screen.draw_next_frame(repeat=False)
except StopApplication:
return
