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Menu/GameShell/10_Settings/list_page.py

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+# -*- coding: utf-8 -*- 
+
+import pygame
+import sys
+
+from libs.roundrects import aa_round_rect
+
+## local UI import
+from UI.constants import Width,Height
+from UI.page   import Page,PageSelector
+from UI.label  import Label
+from UI.fonts  import fonts
+from UI.util_funcs import midRect
+from UI.keys_def   import CurKeys
+from UI.scroller   import ListScroller
+
+from list_item  import ListItem
+
+import myvars
+
+class ListPageSelector(PageSelector):
+    _BackgroundColor = pygame.Color(131,199,219)
+
+    def __init__(self):
+        self._PosX = 0
+        self._PosY = 0
+        self._Height = 0
+        self._Width  = Width
+
+    def AnimateDraw(self,x2,y2):
+        pass
+
+    def Draw(self):
+        idx = self._Parent._PsIndex
+        if idx < len(self._Parent._MyList):
+            x = 2
+            y = self._Parent._MyList[idx]._PosY+1
+            h = self._Parent._MyList[idx]._Height -3
+            
+            self._PosX = x
+            self._PosY = y
+            self._Height = h
+            
+            aa_round_rect(self._Parent._CanvasHWND,  
+                          (x,y,self._Width-4,h),self._BackgroundColor,4,0,self._BackgroundColor)
+
+
+
+class ListPage(Page):
+
+    _Icons = {}
+    _Selector=None
+    
+    _FootMsg = ["Nav","","","Back","Enter"]
+    _MyList = []
+    _ListFontObj = fonts["varela15"]
+
+    _Scroller = None
+    
+    def __init__(self):
+        Page.__init__(self)
+        self._Icons = {}
+        self._CanvasHWND = None
+        self._MyList = []
+        
+    def Init(self):
+        self._PosX = self._Index * self._Screen._Width
+        self._Width = self._Screen._Width
+        self._Height = self._Screen._Height
+
+        self._CanvasHWND = self._Screen._CanvasHWND
+
+        ps = ListPageSelector()
+        ps._Parent = self
+        self._Ps = ps
+        self._PsIndex = 0
+
+        #                ""   pkgname, label
+        alist         = [["","Wifi","Wi-Fi"],
+                         ["","Sound","Sound Volume"],
+                         ["","Brightness","BackLight Brightness"],
+                         ["","Storage",""],
+                         ["","Update", ""],
+                         ["","About",  "About"],
+                         ["","PowerOFF","PowerOFF"]]
+
+        start_x  = 0
+        start_y  = 0
+
+        sys.path.append(myvars.basepath)# add self as import path
+        
+        for i,v in enumerate(alist):
+            li = ListItem()
+            li._Parent = self
+            li._PosX   = start_x
+            li._PosY   = start_y + i*ListItem._Height
+            li._Width  = Width
+            li._Fonts["normal"] = self._ListFontObj
+
+            if v[2] != "":
+                li.Init(v[2])
+            else:
+                li.Init(v[1])
+            
+            if v[1] == "Wifi" or v[1] == "Sound" or v[1] == "Brightness" or v[1] == "Storage" or v[1] == "Update" or v[1] == "About" or v[1] == "PowerOFF":
+                li._LinkObj = __import__(v[1])
+                init_cb   = getattr(li._LinkObj,"Init",None)
+                if init_cb != None:
+                    if callable(init_cb):
+                        li._LinkObj.Init(self._Screen)
+            self._MyList.append(li)
+
+        self._Scroller = ListScroller()
+        self._Scroller._Parent = self
+        self._Scroller._PosX = self._Width - 10
+        self._Scroller._PosY = 2
+        self._Scroller.Init()
+
+    def ScrollUp(self):
+        if len(self._MyList) == 0:
+            return
+        self._PsIndex -= 1
+        if self._PsIndex < 0:
+            self._PsIndex = 0
+        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
+        
+
+    def ScrollDown(self):
+        if len(self._MyList) == 0:
+            return
+        self._PsIndex +=1
+        if self._PsIndex >= len(self._MyList):
+            self._PsIndex = len(self._MyList) -1
+
+        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
+
+    def Click(self):
+        cur_li = self._MyList[self._PsIndex]
+        if cur_li._LinkObj != None:
+            api_cb = getattr(cur_li._LinkObj,"API",None)
+            if api_cb != None:
+                if callable(api_cb):
+                    cur_li._LinkObj.API(self._Screen)
+
+        
+    def KeyDown(self,event):
+        if event.key == CurKeys["A"] or event.key == CurKeys["Menu"]:
+            self.ReturnToUpLevelPage()
+            self._Screen.Draw()
+            self._Screen.SwapAndShow()
+        
+        if event.key == CurKeys["Up"]:
+            self.ScrollUp()
+            self._Screen.Draw()
+            self._Screen.SwapAndShow()
+        if event.key == CurKeys["Down"]:
+            self.ScrollDown()
+            self._Screen.Draw()
+            self._Screen.SwapAndShow()
+        
+
+        if event.key == CurKeys["Enter"]:
+            self.Click()
+            
+    def Draw(self):
+        self.ClearCanvas()
+
+        if len(self._MyList) * ListItem._Height > self._Height:
+            self._Ps._Width = self._Width - 11
+            
+            self._Ps.Draw()
+            
+            for i in self._MyList:
+                i.Draw()
+        
+            self._Scroller.UpdateSize( len(self._MyList)*ListItem._Height, self._PsIndex*ListItem._Height)
+            self._Scroller.Draw()
+        else:
+            self._Ps._Width = self._Width
+            self._Ps.Draw()
+            for i in self._MyList:
+                i.Draw()
+
+