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add loop scroll

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hi80482 2020-07-30 02:58:18 +08:00 committed by GitHub
parent 41acbb6305
commit a10023ae7f
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 52 additions and 0 deletions
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52
Menu/GameShell/95_Music Player/music_lib_list_page.py
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@ -94,6 +94,8 @@ class MusicLibListPage(Page):
_BGheight = 70
_Backspace = False
_ItemsPerPage = 6
def __init__(self):
Page.__init__(self)
@ -102,7 +104,57 @@ class MusicLibListPage(Page):
self._MyList = []
self._SwapMyList = []
self._MyStack = MusicLibStack()
def ScrollUp(self):
if len(self._MyList) <= 1:
return
tmp = self._PsIndex
self._PsIndex -= self._ScrollStep
if self._PsIndex < 0:
self._PsIndex = len(self._MyList) - 1 # to end
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
# loop scroll, to end
if self._PsIndex == len(self._MyList) - 1:
# check items per page
if len(self._MyList) > self._ItemsPerPage:
self._ItemsPerPage -= 1 # not include current item
for i in range(0, len(self._MyList)):
self._MyList[i]._PosY -= self._MyList[i]._Height * (dy - self._ItemsPerPage)
self._ItemsPerPage = 6 # reset to 6
def ScrollDown(self):
if len(self._MyList) <= 1:
return
tmp = self._PsIndex
self._PsIndex +=self._ScrollStep
if self._PsIndex >= len(self._MyList):
self._PsIndex = 0 # to first
dy = abs(self._PsIndex - tmp)
cur_li = self._MyList[self._PsIndex]
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
# loop scroll, to first
if self._PsIndex == 0:
# check items per page
if len(self._MyList) > self._ItemsPerPage:
self._ItemsPerPage -= 1 # not include current item
for i in range(0, len(self._MyList)):
self._MyList[i]._PosY += self._MyList[i]._Height * (dy - self._ItemsPerPage)
self._ItemsPerPage = 6 # reset to 6
def SyncList(self,path):
if myvars.Poller == None:
return