4c0120aa1e
wasp.system cannot be safely be used from app __init__ methods. Move
the initial value settings to the foreground method instead.
Fixes: b1326e1609 ("apps: settings: Fix initial slider value")
Signed-off-by: Daniel Thompson <daniel@redfelineninja.org.uk>
47 lines
1.2 KiB
Python
47 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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import wasp
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import icons
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class SettingsApp():
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"""Ultra-simple settings application.
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Currently the settings application contains only one setting: brightness
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.. figure:: res/SettingsApp.png
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:width: 179
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Screenshot of the settings application
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"""
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NAME = 'Settings'
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ICON = icons.settings
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def __init__(self):
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self._slider = wasp.widgets.Slider(3, 10, 90)
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def foreground(self):
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self._slider.value = wasp.system.brightness - 1
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self._draw()
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wasp.system.request_event(wasp.EventMask.TOUCH)
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def touch(self, event):
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self._slider.touch(event)
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wasp.system.brightness = self._slider.value + 1
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self._update()
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def _draw(self):
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"""Redraw the display from scratch."""
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wasp.watch.drawable.fill()
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wasp.watch.drawable.string('Brightness', 0, 6, width=240)
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self._update()
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def _update(self):
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if wasp.system.brightness == 3:
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say = "High"
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elif wasp.system.brightness == 2:
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say = "Mid"
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else:
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say = "Low"
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wasp.watch.drawable.string(say, 0, 150, width=240)
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self._slider.update()
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