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add loop scroll

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hi80482 2020-07-29 18:23:35 +08:00 committed by GitHub
parent 2f01938415
commit fe601a0696
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 28 additions and 8 deletions
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36
sys.py/UI/Emulator/fav_list_page.py
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@ -267,28 +267,48 @@ class FavListPage(Page):
self._PsIndex -= self._ScrollStep
if self._PsIndex < 0:
self._PsIndex = 0
dy = tmp - self._PsIndex
# self._PsIndex = 0
self._PsIndex = len(self._MyList) -1 # to end
# dy = tmp - self._PsIndex
dy = abs(tmp - self._PsIndex)
cur_li = self._MyList[self._PsIndex]
if cur_li._PosY < 0:
for i in range(0, len(self._MyList)):
self._MyList[i]._PosY += self._MyList[i]._Height*dy
self._Scrolled +=dy
self._MyList[i]._PosY += self._MyList[i]._Height * dy
self._Scrolled += dy
# loop scroll, to end
# dy - 5: 6 items on screen, 6 - 1 = 5
if self._PsIndex == len(self._MyList) - 1:
for i in range(0, len(self._MyList)):
self._MyList[i]._PosY -= self._MyList[i]._Height * (dy - 5)
self._Scrolled -= dy
def ScrollDown(self):
if len(self._MyList) == 0:
return
tmp = self._PsIndex
self._PsIndex +=self._ScrollStep
if self._PsIndex >= len(self._MyList):
self._PsIndex = len(self._MyList) -1
# self._PsIndex = len(self._MyList) -1
self._PsIndex = 0 # to first
dy = self._PsIndex - tmp
# dy = self._PsIndex - tmp
dy = abs(self._PsIndex - tmp)
cur_li = self._MyList[self._PsIndex]
if cur_li._PosY +cur_li._Height > self._Height:
if cur_li._PosY + cur_li._Height > self._Height:
for i in range(0,len(self._MyList)):
self._MyList[i]._PosY -= self._MyList[i]._Height*dy
self._MyList[i]._PosY -= self._MyList[i]._Height * dy
self._Scrolled -= dy
# loop scroll, to first
# dy - 5: 6 items on screen, 6 - 1 = 5
if self._PsIndex == 0:
for i in range(0, len(self._MyList)):
self._MyList[i]._PosY += self._MyList[i]._Height * (dy - 5)
self._Scrolled += dy
def SyncScroll(self):
##