wasp: Move the apps into their own directory.

1 files changed, 96 insertions, 0 deletions

diff --git a/wasp/apps/clock.py b/wasp/apps/clock.py
new file mode 100644
index 0000000..5de6271
--- /dev/null
+++ b/wasp/apps/clock.py
@@ -0,0 +1,96 @@
+import fonts.clock as digits
+import watch
+import widgets
+import manager
+
+from draw565 import Draw565
+
+DIGITS = (
+        digits.clock_0,
+        digits.clock_1,
+        digits.clock_2,
+        digits.clock_3,
+        digits.clock_4,
+        digits.clock_5,
+        digits.clock_6,
+        digits.clock_7,
+        digits.clock_8,
+        digits.clock_9
+)
+
+MONTH = 'JanFebMarAprMayJunJulAugSepOctNovDec'
+
+class ClockApp(object):
+    """Simple digital clock application.
+
+    Shows a time (as HH:MM) together with a battery meter and the date.
+    """
+
+    def __init__(self):
+        self.meter = widgets.BatteryMeter()
+
+    def handle_event(self, event_view):
+        """Process events that the app is subscribed to."""
+        if event_view[0] == manager.EVENT_TICK:
+            self.update()
+        else:
+            # TODO: Raise an unexpected event exception
+            pass
+
+    def foreground(self, manager, effect=None):
+        """Activate the application."""
+        self.on_screen = ( -1, -1, -1, -1, -1, -1 )
+        self.draw(effect)
+        manager.request_tick(1000)
+
+    def tick(self, ticks):
+        self.update()
+
+    def background(self):
+        """De-activate the application (without losing state)."""
+        pass
+
+    def sleep(self):
+        return True
+
+    def wake(self):
+        self.update()
+
+    def draw(self, effect=None):
+        """Redraw the display from scratch."""
+        display = watch.display
+
+        display.fill(0)
+        display.rleblit(digits.clock_colon, pos=(2*48, 80), fg=0xb5b6)
+        self.on_screen = ( -1, -1, -1, -1, -1, -1 )
+        self.update()
+        self.meter.draw()
+
+    def update(self):
+        """Update the display (if needed).
+
+        The updates are a lazy as possible and rely on an prior call to
+        draw() to ensure the screen is suitably prepared.
+        """
+        now = watch.rtc.get_localtime()
+        if now[3] == self.on_screen[3] and now[4] == self.on_screen[4]:
+            if now[5] != self.on_screen[5]:
+                self.meter.update()
+                self.on_screen = now
+            return False
+
+        display = watch.display
+        display.rleblit(DIGITS[now[4]  % 10], pos=(4*48, 80))
+        display.rleblit(DIGITS[now[4] // 10], pos=(3*48, 80), fg=0xbdb6)
+        display.rleblit(DIGITS[now[3]  % 10], pos=(1*48, 80))
+        display.rleblit(DIGITS[now[3] // 10], pos=(0*48, 80), fg=0xbdb6)
+        self.on_screen = now
+
+        draw = Draw565(display)
+        month = now[1] - 1
+        month = MONTH[month*3:(month+1)*3]
+        draw.string('{} {} {}'.format(now[2], month, now[0]),
+                0, 180, width=240)
+
+        self.meter.update()
+        return True