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wasp-os/wasp/widgets.py
2020-02-03 22:35:16 +00:00

48 lines
1.3 KiB
Python

import icons
import watch
class BatteryMeter(object):
def __init__(self):
self.level = None
def draw(self):
display = watch.display
icon = icons.battery
watch.display.rleblit(icon, pos=(239-icon[0], 0), fg=0x7bef)
self.level = -1
self.update()
def update(self):
if watch.battery.charging():
if self.level != -1:
icon = icons.battery
watch.display.rleblit(icon, pos=(239-icon[0], 0), fg=0x7bef)
self.level = -1
else:
level = watch.battery.level()
if level == self.level:
return
self.level = level
x = 239 - 31
w = 18
# Use the level to work out the correct height
if level == 100:
h = 26
else:
h = level // 4
# Use the level to figure out the right color
if level > 96:
rgb = 0x07e0
else:
green = level // 3
red = 31-green
rgb = (red << 11) + (green << 6)
if 26 - h:
watch.display.fill(0, x, 13, 18, 26 - h)
if h:
watch.display.fill(rgb, x, 39 - h, 18, h)