wasp-os/wasp/widgets.py
Daniel Thompson 2b5ebcef72 wasp: widgets: Add a scrolling indicator
As we enrich the navigation options we will increasinly need to visualize
between apps where up/down will switch us between rings and there
up/down is needed to scroll through content.
2020-04-06 22:04:21 +01:00

69 lines
1.8 KiB
Python

# SPDX-License-Identifier: LGPL-3.0-or-later
# Copyright (C) 2020 Daniel Thompson
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
draw = watch.drawable
if watch.battery.charging():
if self.level != -1:
draw.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:
draw.rleblit(icon, pos=(239-icon[0], 0), fg=0x7bef)
else:
rgb = 0xf800
draw.rleblit(icon, pos=(239-icon[0], 0), fg=0xf800)
x = 239 - 30
w = 16
if 24 - h:
draw.fill(0, x, 14, w, 24 - h)
if h:
draw.fill(rgb, x, 38 - h, w, h)
self.level = level
class ScrollIndicator():
def __init__(self, x=240-18, y=240-24):
self._pos = (x, y)
self.up = True
self.down = True
def draw(self):
self.update()
def update(self):
draw = watch.drawable
if self.up:
draw.rleblit(icons.up_arrow, pos=self._pos, fg=0x7bef)
if self.down:
draw.rleblit(icons.down_arrow, pos=(self._pos[0], self._pos[1] + 13), fg=0x7bef)