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update scroll func

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This commit is contained in:
hi80482
2020-07-31 18:44:16 +08:00
committed by GitHub
parent 2ee8b1baee
commit 0f2f4688f0
1 changed files with 22 additions and 80 deletions
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102
Menu/GameShell/95_Music Player/play_list_page.py
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@@ -71,14 +71,12 @@ class PlayListPage(Page):
_BGwidth = 75 _BGwidth = 75
_BGheight = 70 _BGheight = 70
_Scrolled = 0 # _Scrolled = 0
_CurSongName = "" _CurSongName = ""
_Backspace = False _Backspace = False
_ItemsPerPage = 6
def __init__(self): def __init__(self):
self._Icons = {} self._Icons = {}
Page.__init__(self) Page.__init__(self)
@@ -223,74 +221,20 @@ class PlayListPage(Page):
# self._MyList[i]._PosY -= self._MyList[i]._Height # self._MyList[i]._PosY -= self._MyList[i]._Height
# self._Scrolled -=1 # self._Scrolled -=1
def ScrollUp(self): # def SyncScroll(self):# show where it left
if len(self._MyList) <= 1: # if self._Scrolled == 0:
return # return
tmp = self._PsIndex # if self._PsIndex < len(self._MyList):
self._PsIndex -= self._ScrollStep # cur_li = self._MyList[self._PsIndex]
# if self._Scrolled > 0:
if self._PsIndex < 0: # if cur_li._PosY < 0:
self._PsIndex = len(self._MyList) - 1 # to end # for i in range(0, len(self._MyList)):
# self._MyList[i]._PosY += self._Scrolled * self._MyList[i]._Height
dy = abs(tmp - self._PsIndex) # elif self._Scrolled < 0:
cur_li = self._MyList[self._PsIndex] # if cur_li._PosY +cur_li._Height > self._Height:
if cur_li._PosY < 0: # for i in range(0,len(self._MyList)):
for i in range(0, len(self._MyList)): # self._MyList[i]._PosY += self._Scrolled * self._MyList[i]._Height
self._MyList[i]._PosY += self._MyList[i]._Height * dy
self._Scrolled += 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._Scrolled -= dy
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
self._Scrolled -= 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._Scrolled += dy
self._ItemsPerPage = 6 # reset to 6
def SyncScroll(self):# show where it left
if self._Scrolled == 0:
return
if self._PsIndex < len(self._MyList):
cur_li = self._MyList[self._PsIndex]
if self._Scrolled > 0:
if cur_li._PosY < 0:
for i in range(0, len(self._MyList)):
self._MyList[i]._PosY += self._Scrolled * self._MyList[i]._Height
elif self._Scrolled < 0:
if cur_li._PosY +cur_li._Height > self._Height:
for i in range(0,len(self._MyList)):
self._MyList[i]._PosY += self._Scrolled * self._MyList[i]._Height
def Click(self): def Click(self):
if len(self._MyList) == 0: if len(self._MyList) == 0:
@@ -320,12 +264,16 @@ class PlayListPage(Page):
self._Screen.SwapAndShow() self._Screen.SwapAndShow()
if event.key == CurKeys["Up"]: if event.key == CurKeys["Up"]:
self.ScrollUp() # self.ScrollUp()
self.SpeedScroll(event.key)
self.ScrollUp(self._ScrollStep)
self._Screen.Draw() self._Screen.Draw()
self._Screen.SwapAndShow() self._Screen.SwapAndShow()
if event.key == CurKeys["Down"]: if event.key == CurKeys["Down"]:
self.ScrollDown() # self.ScrollDown()
self.SpeedScroll(event.key)
self.ScrollDown(self._ScrollStep)
self._Screen.Draw() self._Screen.Draw()
self._Screen.SwapAndShow() self._Screen.SwapAndShow()
@@ -336,20 +284,14 @@ class PlayListPage(Page):
self._Screen.PushCurPage() self._Screen.PushCurPage()
self._Screen.SetCurPage(myvars.MusicLibListPage) self._Screen.SetCurPage(myvars.MusicLibListPage)
else: else:
move = 6 self.ScrollDown(5)
for i in range(move):
self.ScrollDown()
self._Screen.Draw() self._Screen.Draw()
self._Screen.SwapAndShow() self._Screen.SwapAndShow()
if event.key == CurKeys["Left"]: if event.key == CurKeys["Left"]:
if self._Backspace: if self._Backspace:
move = 6 self.ScrollUp(5)
for i in range(move):
self.ScrollUp()
self._Screen.Draw() self._Screen.Draw()
self._Screen.SwapAndShow() self._Screen.SwapAndShow()