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import fonts.clock as digits
import watch
import widgets
import manager
DIGITS = (
digits.clock_0,
digits.clock_1,
digits.clock_2,
digits.clock_3,
digits.clock_4,
digits.clock_5,
digits.clock_6,
digits.clock_7,
digits.clock_8,
digits.clock_9
)
MONTH = 'JanFebMarAprMayJunJulAugSepOctNovDec'
class ClockApp(object):
"""Simple digital clock application.
Shows a time (as HH:MM) together with a battery meter and the date.
"""
def __init__(self):
self.meter = widgets.BatteryMeter()
def handle_event(self, event_view):
"""Process events that the app is subscribed to."""
if event_view[0] == manager.EVENT_TICK:
self.update()
else:
# TODO: Raise an unexpected event exception
pass
def foreground(self, manager, effect=None):
"""Activate the application."""
self.on_screen = ( -1, -1, -1, -1, -1, -1 )
self.draw(effect)
manager.request_tick(1000)
def tick(self, ticks):
self.update()
def background(self):
"""De-activate the application (without losing state)."""
pass
def sleep(self):
return True
def wake(self):
self.update()
def draw(self, effect=None):
"""Redraw the display from scratch."""
display = watch.display
display.fill(0)
display.rleblit(digits.clock_colon, pos=(2*48, 80), fg=0xb5b6)
self.on_screen = ( -1, -1, -1, -1, -1, -1 )
self.update()
self.meter.draw()
def update(self):
"""Update the display (if needed).
The updates are a lazy as possible and rely on an prior call to
draw() to ensure the screen is suitably prepared.
"""
now = watch.rtc.get_localtime()
if now[3] == self.on_screen[3] and now[4] == self.on_screen[4]:
if now[5] != self.on_screen[5]:
self.meter.update()
self.on_screen = now
return False
display = watch.display
display.rleblit(DIGITS[now[4] % 10], pos=(4*48, 80))
display.rleblit(DIGITS[now[4] // 10], pos=(3*48, 80), fg=0xbdb6)
display.rleblit(DIGITS[now[3] % 10], pos=(1*48, 80))
display.rleblit(DIGITS[now[3] // 10], pos=(0*48, 80), fg=0xbdb6)
self.on_screen = now
draw = watch.drawable
month = now[1] - 1
month = MONTH[month*3:(month+1)*3]
draw.string('{} {} {}'.format(now[2], month, now[0]),
0, 180, width=240)
self.meter.update()
return True
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