async def on_drag_fail(self, touch):
from kivy.graphics import PushMatrix, PopMatrix, Rotate
import asynckivy as ak
push_mat = PushMatrix()
rotate = Rotate(origin=self.center)
pop_mat = PopMatrix()
cb = self.canvas.before
ca = self.canvas.after
try:
cb.add(push_mat)
cb.add(rotate)
ca.add(pop_mat)
await ak.and_(
ak.animate(rotate, d=.4, angle=720.),
ak.animate(self, d=.4, opacity=0.),
)
self.parent.remove_widget(self)
finally:
cb.remove(push_mat)
cb.remove(rotate)
ca.remove(pop_mat)
async def animate(root):
label = root.ids.label.__self__
while True:
await ak.or_(
ak.event(root, 'on_touch_down'),
ak.animate(label, right=root.width),
)
label.right = root.width
await ak.or_(
ak.event(root, 'on_touch_down'),
ak.animate(label, top=root.height),
)
label.top = root.height
await ak.or_(
ak.event(root, 'on_touch_down'),
ak.animate(label, x=0),
)
label.x = 0
await ak.or_(
ak.event(root, 'on_touch_down'),
ak.animate(label, y=0),
)
label.y = 0
def test_list(approx, ready_to_sleep):
import asynckivy as ak
target = Target()
coro = ak.animate(target, lst=[100, 200], d=.4)
sleep = ready_to_sleep()
ak.start(coro)
sleep(.1)
assert target.lst == approx([25, 50])
sleep(.1)
assert target.lst == approx([50, 100])
sleep(.1)
assert target.lst == approx([75, 150])
sleep(.1)
assert target.lst == approx([100, 200])
sleep(.1)
assert target.lst == approx([100, 200])
def test_dict(approx, ready_to_sleep):
import asynckivy as ak
target = Target()
coro = ak.animate(target, dct={'key': 100}, d=.4)
sleep = ready_to_sleep()
ak.start(coro)
sleep(.1)
assert target.dct == approx({'key': 25})
sleep(.1)
assert target.dct == approx({'key': 50})
sleep(.1)
assert target.dct == approx({'key': 75})
sleep(.1)
assert target.dct == approx({'key': 100})
sleep(.1)
assert target.dct == approx({'key': 100})
def test_cancel(approx, ready_to_sleep):
import asynckivy as ak
target = Target()
coro = ak.animate(
target,
num=100,
d=.4,
)
sleep = ready_to_sleep()
ak.raw_start(coro)
sleep(.1)
assert target.num == approx(25)
sleep(.1)
assert target.num == approx(50)
coro.close() # cancel
assert target.num == approx(50)
def test_dict(approx):
import asynckivy as ak
target = Target()
coro = ak.animate(target, dct={'key': 100}, d=.4)
clock = Clock()
ak.start(coro)
clock.sleep(.1)
assert target.dct == approx({'key': 25})
clock.sleep(.1)
assert target.dct == approx({'key': 50})
clock.sleep(.1)
assert target.dct == approx({'key': 75})
clock.sleep(.1)
assert target.dct == approx({'key': 100})
clock.sleep(.1)
assert target.dct == approx({'key': 100})
def test_list(approx):
import asynckivy as ak
target = Target()
coro = ak.animate(target, lst=[100, 200], d=.4)
clock = Clock()
ak.start(coro)
clock.sleep(.1)
assert target.lst == approx([25, 50])
clock.sleep(.1)
assert target.lst == approx([50, 100])
clock.sleep(.1)
assert target.lst == approx([75, 150])
clock.sleep(.1)
assert target.lst == approx([100, 200])
clock.sleep(.1)
assert target.lst == approx([100, 200])
def _start_anim(self, *args):
if self.children:
child = self.children[0]
self._coro.close()
if not self.do_anim:
child.pos = self.pos
child.size = self.size
return
self._coro = ak.start(
ak.animate(
child,
d=self.anim_duration,
t=self.anim_transition,
x=self.x,
y=self.y,
width=self.width,
height=self.height,
))
def test_cancel(approx, force_final_value):
import asynckivy as ak
target = Target()
coro = ak.animate(target,
num=100,
d=.4,
force_final_value=force_final_value)
clock = Clock()
ak.start(coro)
clock.sleep(.1)
assert target.num == approx(25)
clock.sleep(.1)
assert target.num == approx(50)
coro.close() # cancel
if force_final_value:
assert target.num == approx(100)
else:
assert target.num == approx(50)