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wasp-os/apps/flashlight.py
Adam Blair e494eab608 Wasp A La carte
Configure wasp using a central toml file

Signed-off-by: Adam Blair <adampblair@protonmail.com>
2023-03-19 15:17:18 +00:00

47 lines
1.3 KiB
Python

# SPDX-License-Identifier: LGPL-3.0-or-later
# Copyright (C) 2020 Daniel Thompson
"""Flashlight
~~~~~~~~~~~~~
Shows a bright screen that you can tap to change brightness or switch to redlight.
.. figure:: res/screenshots/FlashlightApp.png
:width: 179
"""
import wasp
import icons
class FlashlightApp(object):
"""Trivial flashlight application."""
NAME = 'Torch'
ICON = icons.torch
def foreground(self):
"""Activate the application."""
wasp.system.request_tick(3000)
wasp.system.request_event(wasp.EventMask.TOUCH)
self._brightness = wasp.system.brightness
wasp.system.brightness = 3
self._ntouch = 1
wasp.watch.drawable.fill(0xffff) # white
def background(self):
"""De-activate the application (without losing original state)."""
wasp.system.brightness = self._brightness
def tick(self, ticks):
wasp.system.keep_awake()
def touch(self, event):
self._ntouch += 1
self._ntouch %= 6
wasp.system.brightness = (-self._ntouch) % 3 + 1
if (-self._ntouch + 1) % 3 == 0:
if -self._ntouch % 6 < 3:
wasp.watch.drawable.fill(0xf800) # red
else:
wasp.watch.drawable.fill(0xffff) # white