wasp: apps: Add a new (super simple) settings app

wasp/apps/settings.py

@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: LGPL-3.0-or-later
+# Copyright (C) 2020 Daniel Thompson
+"""Ultra-simple settings application.
+
+Currently the settings application contains only one setting: brightness
+"""
+
+import wasp
+import icons
+
+class SettingsApp():
+    NAME = 'Settings'
+    ICON = icons.settings
+
+    def foreground(self):
+        self._draw()
+        wasp.system.request_event(wasp.EventMask.TOUCH)
+
+    def touch(self, event):
+        brightness = wasp.system.brightness + 1
+        if brightness > 3:
+            brightness = 1
+        wasp.system.brightness = brightness
+        self._update()
+
+    def _draw(self):
+        """Redraw the display from scratch."""
+        wasp.watch.drawable.fill()
+        wasp.watch.drawable.string('Settings', 0, 6, width=240)
+        wasp.watch.drawable.string('Brightness', 0, 120 - 3 - 24, width=240)
+        self._update()
+
+    def _update(self):
+        if wasp.system.brightness == 3:
+            say = "High"
+        elif wasp.system.brightness == 2:
+            say = "Mid"
+        else:
+            say = "Low"
+        wasp.watch.drawable.string(say, 0, 120 + 3, width=240)

wasp/boards/pinetime/manifest.py

@@ -7,6 +7,7 @@ freeze('../..',
         'apps/clock.py',
         'apps/flashlight.py',
         'apps/launcher.py',
+        'apps/settings.py',
         'apps/testapp.py',
         'boot.py',
         'demo.py',

wasp/wasp.py

@@ -16,6 +16,7 @@ import widgets
 from apps.clock import ClockApp
 from apps.flashlight import FlashlightApp
 from apps.launcher import LauncherApp
+from apps.settings import SettingsApp
 from apps.testapp import TestApp
 
 class EventType():
@@ -95,6 +96,7 @@ class Manager():
         # TODO: Eventually these should move to main.py
         self.register(ClockApp(), True)
         self.register(FlashlightApp(), True)
+        self.register(SettingsApp(), True)
         self.register(TestApp(), True)
 
     def register(self, app, quick_ring=True):