apps: SportsApp: Initial sports app implementation

This app is functional... although it lacking in almost every
costmetic way, from the icon to the main screen.

Signed-off-by: Daniel Thompson <daniel@redfelineninja.org.uk>

README.rst

@@ -153,6 +153,10 @@ simulator:
    :alt: Heart rate application running on the wasp-os simulator
    :width: 179
 
+.. image:: res/SportsApp.png
+   :alt: Sports applications, a combined stopwatch and step counter
+   :width: 179
+
 .. image:: res/StopclockApp.png
    :alt: Stop watch application running on the wasp-os simulator
    :width: 179

docs/apps.rst

@@ -53,6 +53,8 @@ Applications
 
 .. automodule:: apps.musicplayer
 
+.. automodule:: apps.sports
+
 .. automodule:: apps.testapp
 
 .. automodule:: apps.timer

wasp/apps/software.py

@@ -44,6 +44,7 @@ class SoftwareApp():
         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')))

wasp/apps/sports.py

@@ -0,0 +1,91 @@
+# SPDX-License-Identifier: LGPL-3.0-or-later
+# Copyright (C) 2020 Daniel Thompson
+
+"""Sports timer
+~~~~~~~~~~~~~~~
+
+A combined stopwatch and step counter.
+
+.. figure:: res/SportsApp.png
+    :width: 179
+"""
+import wasp
+import icons
+import fonts
+
+class SportsApp():
+    """Sports timer application."""
+    NAME = 'Sports'
+    ICON = icons.app
+
+    def __init__(self):
+        self._timer = wasp.widgets.Stopwatch(120-36)
+        self._reset()
+
+    def foreground(self):
+        """Activate the application."""
+        wasp.system.bar.clock = True
+        self._draw()
+        wasp.system.request_tick(97)
+        wasp.system.request_event(wasp.EventMask.TOUCH | wasp.EventMask.BUTTON)
+
+    def background(self):
+        if not self._timer.started:
+            self._timer.reset()
+
+    def sleep(self):
+        return True
+
+    def wake(self):
+        self._update()
+
+    def press(self, button, state):
+        if not state:
+            return
+
+        steps = wasp.watch.accel.steps
+
+        if self._timer.started:
+            self._timer.stop()
+        else:
+            self._timer.start()
+            self._last_steps = steps
+
+    def touch(self, event):
+        if not self._timer.started:
+            self._reset()
+            self._update()
+
+    def tick(self, ticks):
+        self._update()
+
+    def _reset(self):
+        self._timer.reset()
+        self._steps = 0
+        self._last_steps = 0
+
+    def _draw(self):
+        """Draw the display from scratch."""
+        draw = wasp.watch.drawable
+        draw.fill()
+
+        wasp.system.bar.draw()
+        self._timer.draw()
+
+    def _update(self):
+        wasp.system.bar.update()
+        self._timer.update()
+
+        if self._timer.started:
+            steps = wasp.watch.accel.steps
+            redraw = bool(steps - self._last_steps)
+            self._steps += steps - self._last_steps
+            self._last_steps = steps
+        else:
+            redraw = True
+
+        if redraw:
+            draw = wasp.watch.drawable
+            draw.set_font(fonts.sans36)
+            draw.set_color(draw.lighten(wasp.system.theme('spot1'), wasp.system.theme('contrast')))
+            draw.string(str(self._steps), 0, 170, 228, True)

wasp/boards/manifest_240x240.py

@@ -20,6 +20,7 @@ manifest = (
     'apps/play2048.py',
     'apps/settings.py',
     'apps/software.py',
+    'apps/sports.py',
     'apps/steps.py',
     'apps/stopwatch.py',
     'apps/snake.py',