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# SPDX-License-Identifier: LGPL-3.0-or-later
# Copyright (C) 2020 Daniel Thompson
"""Software
~~~~~~~~~~~
A tool to enable/disable applications.
.. figure:: res/SoftwareApp.png
:width: 179
Most applications are disabled by default at boot in order to conserve
RAM (which is in short supply and very useful to anyone wanting to
write an application). This tools allows us to boot and conserve RAM
whilst still allowing users to activate so many awesome applications!
"""
import wasp
import icons
import os
class SoftwareApp():
"""Enable and disable applications."""
NAME = 'Software'
ICON = icons.software
def foreground(self):
"""Activate the application."""
def factory(label):
nonlocal y
cb = wasp.widgets.Checkbox(0, y, label)
y += 40
if y > 160:
y = 0
return cb
y = 0
db = []
db.append(('alarm', factory('Alarm')))
db.append(('calc', factory('Calculator')))
db.append(('faces', factory('Faces')))
db.append(('gameoflife', factory('Game Of Life')))
db.append(('musicplayer', factory('Music Player')))
db.append(('play2048', factory('Play 2048')))
db.append(('snake', factory('Snake Game')))
db.append(('sports', factory('Sports')))
db.append(('flashlight', factory('Torch')))
db.append(('testapp', factory('Test')))
db.append(('timer', factory('Timer')))
db.append(('weather', factory('Weather')))
# Handle user-loaded applications
try:
for app in os.listdir('apps'):
name = None
if app.endswith('.py'):
name = app[:-3]
if app.endswith('.mpy'):
name = app[:-4]
if name:
db.append((name, factory(name)))
except OSError:
# apps does not exist...
pass
# Get the initial state for the checkboxes
for _, checkbox in db:
label = checkbox.label.replace(' ', '')
for app in wasp.system.launcher_ring:
if type(app).__name__.startswith(label):
checkbox.state = True
break
self.si = wasp.widgets.ScrollIndicator()
self.page = 0
self.db = db
self._draw()
wasp.system.request_event(wasp.EventMask.TOUCH |
wasp.EventMask.SWIPE_UPDOWN)
def background(self):
self.si = None
del self.si
self.page = None
del self.page
self.db = None
del self.db
def get_page(self):
i = self.page * 5
return self.db[i:i+5]
def swipe(self, event):
"""Notify the application of a touchscreen swipe event."""
page = self.page
pages = (len(self.db)-1) // 5
if event[0] == wasp.EventType.DOWN:
page = page - 1 if page > 0 else pages
if event[0] == wasp.EventType.UP:
page = page + 1 if page < pages else 0
self.page = page
mute = wasp.watch.display.mute
mute(True)
self._draw()
mute(False)
def touch(self, event):
"""Notify the application of a touchscreen touch event."""
for module, checkbox in self.get_page():
if checkbox.touch(event):
label = checkbox.label.replace(' ', '')
if checkbox.state:
wasp.system.register('apps.{}.{}App'.format(module, label))
else:
for app in wasp.system.launcher_ring:
if type(app).__name__.startswith(label):
wasp.system.launcher_ring.remove(app)
break
break
def _draw(self):
"""Draw the display from scratch."""
wasp.watch.drawable.fill()
self.si.draw()
for _, checkbox in self.get_page():
checkbox.draw()
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