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wasp-os/wasp/apps/stopwatch.py
Wolfgang Ginolas 5b74c45e58 apps: timer: Add a countdown timer application
Signed-off-by: Wolfgang Ginolas <wolfgang.ginolas@gwif.eu>
[daniel@redfelineninja.org.uk: squashed into a single commit, rebase to
latest master, integrate with the Software application and rename the
screenshots to match the application name]
Signed-off-by: Daniel Thompson <daniel@redfelineninja.org.uk>
2021-01-10 16:02:35 +00:00

151 lines
4.1 KiB
Python

# SPDX-License-Identifier: LGPL-3.0-or-later
# Copyright (C) 2020 Daniel Thompson
import wasp
import icons
import fonts
class StopwatchApp():
"""Stopwatch application.
.. figure:: res/StopclockApp.png
:width: 179
Screenshot of the stopwatch application
"""
# Stopwatch requires too many pixels to fit into the launcher
NAME = 'Stopclock'
ICON = icons.app
def __init__(self):
self._reset()
self._count = 0
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 |
wasp.EventMask.NEXT)
def sleep(self):
return True
def wake(self):
self._update()
def swipe(self, event):
"""Handle NEXT events by augmenting the default processing by resetting
the count if we are not currently timing something.
No other swipe event is possible for this application.
"""
if not self._started_at:
self._reset()
return True # Request system default handling
def press(self, button, state):
if not state:
return
if self._started_at:
self._update()
self._started_at = 0
else:
uptime = wasp.watch.rtc.get_uptime_ms()
uptime //= 10
self._started_at = uptime - self._count
self._update()
def touch(self, event):
if self._started_at:
self._update()
self._splits.insert(0, self._count)
del self._splits[4:]
self._nsplits += 1
else:
self._reset()
self._update()
self._draw_splits()
def tick(self, ticks):
self._update()
def _reset(self):
self._started_at = 0
self._count = 0
self._last_count = -1
self._splits = []
self._nsplits = 0
def _draw_splits(self):
draw = wasp.watch.drawable
splits = self._splits
if 0 == len(splits):
draw.fill(0, 0, 120, 240, 120)
return
y = 240 - 6 - (len(splits) * 24)
draw.set_font(fonts.sans24)
draw.set_color(wasp.system.theme('mid'))
n = self._nsplits
for i, s in enumerate(splits):
centisecs = s
secs = centisecs // 100
centisecs %= 100
minutes = secs // 60
secs %= 60
t = '# {} {:02}:{:02}.{:02}'.format(n, minutes, secs, centisecs)
n -= 1
w = fonts.width(fonts.sans24, t)
draw.string(t, 0, y + (i*24), 240)
def _draw(self):
"""Draw the display from scratch."""
draw = wasp.watch.drawable
draw.fill()
self._last_count = -1
self._update()
wasp.system.bar.draw()
self._draw_splits()
def _update(self):
# Before we do anything else let's make sure _count is
# up to date
if self._started_at:
uptime = wasp.watch.rtc.get_uptime_ms()
uptime //= 10
self._count = uptime - self._started_at
if self._count > 999*60*100:
self._reset()
# Update the statusbar
wasp.system.bar.update()
if self._last_count != self._count:
centisecs = self._count
secs = centisecs // 100
centisecs %= 100
minutes = secs // 60
secs %= 60
t1 = '{}:{:02}'.format(minutes, secs)
t2 = '{:02}'.format(centisecs)
draw = wasp.watch.drawable
draw.set_font(fonts.sans36)
draw.set_color(draw.lighten(wasp.system.theme('ui'), wasp.system.theme('contrast')))
w = fonts.width(fonts.sans36, t1)
draw.string(t1, 180-w, 120-36)
draw.fill(0, 0, 120-36, 180-w, 36)
draw.set_font(fonts.sans24)
draw.string(t2, 180, 120-36+18, width=46)
self._last_count = self._count