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