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wasp-os/wasp/widgets.py
Daniel Thompson 1d8b900d40 waps: widgets: Improve the battery meter athtetics
Add some extra internal padding and draw the battery in red when
power is critically low.
2020-02-04 08:43:49 +00:00

48 lines
1.3 KiB
Python

import icons
import watch
class BatteryMeter(object):
def __init__(self):
self.level = -2
def draw(self):
self.level = -2
self.update()
def update(self):
icon = icons.battery
if watch.battery.charging():
if self.level != -1:
watch.display.rleblit(icon, pos=(239-icon[0], 0), fg=0x7bef)
self.level = -1
else:
level = watch.battery.level()
if level == self.level:
return
if level > 96:
h = 24
rgb = 0x07e0
else:
h = level // 4
green = level // 3
red = 31-green
rgb = (red << 11) + (green << 6)
if (level > 5) ^ (self.level > 5):
if level > 5:
watch.display.rleblit(icon, pos=(239-icon[0], 0), fg=0x7bef)
else:
rgb = 0xf800
watch.display.rleblit(icon, pos=(239-icon[0], 0), fg=0xf800)
x = 239 - 30
w = 16
if 24 - h:
watch.display.fill(0, x, 14, w, 24 - h)
if h:
watch.display.fill(rgb, x, 38 - h, w, h)
self.level = level