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wasp-os/apps/faces.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

70 lines
2 KiB
Python

# SPDX-License-Identifier: LGPL-3.0-or-later
# Copyright (C) 2020 Daniel Thompson
"""Watch Face Chooser
~~~~~~~~~~~~~~~~~~~~~
A tool to select a suitable watch face.
.. figure:: res/screenshots/FacesApp.png
:width: 179
The app is intended to be enabled by default and has, therefore, been carefully
structured to minimize memory usage when the app is not active.
"""
import wasp
import icons
import appregistry
class FacesApp():
"""Choose a default watch face."""
NAME = 'Faces'
ICON = icons.clock
def foreground(self):
"""Activate the application."""
choices = []
for face in appregistry.faces_list:
choices.append(face)
self.choices = choices
self.choice = 0
self.si = wasp.widgets.ScrollIndicator()
self._update()
wasp.system.request_event(wasp.EventMask.SWIPE_UPDOWN)
def background(self):
self.choices = None
del self.choices
self.choice = None
del self.choice
self.si = None
del self.si
# When the watch face redraws then the change to the scrolling indicator
# is a little subtle. Let's provide some haptic feedback too so the user
# knows something has happened.
wasp.watch.vibrator.pulse()
def swipe(self, event):
"""Notify the application of a touchscreen swipe event."""
choice = self.choice
if event[0] == wasp.EventType.DOWN:
choice = choice - 1 if choice > 0 else len(self.choices)-1
if event[0] == wasp.EventType.UP:
choice = choice + 1 if choice < len(self.choices)-1 else 0
self.choice = choice
mute = wasp.watch.display.mute
mute(True)
self._update()
mute(False)
def _update(self):
"""Draw the display from scratch."""
wasp.watch.drawable.fill()
(module, label) = self.choices[self.choice]
wasp.system.register('{}.{}App'.format(module, label), watch_face=True)
wasp.system.quick_ring[0].preview()
self.si.draw()