sugarlabs/sugar-toolkit-gtk3
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Make frame animation faster and smoother

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This commit is contained in:
Dan Williams 2007-03-11 21:39:00 -04:00
parent b5ced20ca4
commit a1411040f1
1 changed files with 18 additions and 2 deletions
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20
shell/view/frame/frame.py
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@ -232,7 +232,15 @@ class Frame:
def do_slide_in(self, current=0, n_frames=0):
if _ANIMATION:
self._move(float(current + 1) / float(n_frames))
if current + 1 == n_frames:
# hardcode last frame to avoid precision errors in division
self._move(1)
else:
# each frame, move half the remaining distance
pos = 0.0
for i in range(0, current + 1):
pos += float((1.0 - float(pos)) / 2.0)
self._move(pos)
elif current == 0:
self._move(1)
if self._event_frame.is_visible():
@ -240,7 +248,15 @@ class Frame:
def do_slide_out(self, current=0, n_frames=0):
if _ANIMATION:
self._move(1 - (float(current + 1) / float(n_frames)))
if current + 1 == n_frames:
# hardcode last frame to avoid precision errors in division
self._move(0)
else:
# each frame, move half the remaining distance
pos = 0.0
for i in range(0, current + 1):
pos += float((1.0 - float(pos)) / 2.0)
self._move(1.0 - float(pos))
elif current == 0:
self._move(0)
if not self._event_frame.is_visible():