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Menu/GameShell/10_Settings/Sound/__init__.py

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+# -*- coding: utf-8 -*- 
+
+## local UI import
+import pages
+import myvars
+
+def Init(main_screen):
+    pages.InitSoundPage(main_screen)
+
+def API(main_screen):
+    
+    if main_screen !=None:
+        main_screen.PushCurPage()
+        main_screen.SetCurPage(myvars.SoundPage)
+        main_screen.Draw()
+        main_screen.SwapAndShow()
+        

Menu/GameShell/10_Settings/Sound/myvars.py

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+# -*- coding: utf-8 -*- 
+
+import os
+import sys
+
+SoundPage = None

Menu/GameShell/10_Settings/Sound/pages.py

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+# -*- coding: utf-8 -*- 
+
+from sound_page import SoundPage
+
+import myvars
+
+def InitSoundPage(main_screen):
+
+    myvars.SoundPage = SoundPage()
+    
+    myvars.SoundPage._Screen = main_screen
+    myvars.SoundPage._Name = "Sound volume"
+    myvars.SoundPage.Init()

Menu/GameShell/10_Settings/Sound/sound_page.py

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+# -*- coding: utf-8 -*- 
+
+import pygame
+
+#from libs.roundrects import aa_round_rect
+
+import alsaaudio
+
+## local UI import
+from UI.constants import Width,Height,ICON_TYPES
+from UI.page   import Page,PageSelector
+from UI.icon_item import IconItem
+from UI.label  import Label
+from UI.fonts  import fonts
+from UI.util_funcs import midRect
+from UI.keys_def   import CurKeys
+from UI.slider     import Slider
+from UI.multi_icon_item import MultiIconItem
+
+
+from UI.icon_pool  import MyIconPool
+
+import myvars
+
+class SoundSlider(Slider):
+    OnChangeCB = None
+    
+    _BGpng = None
+    _BGwidth = 192
+    _BGheight = 173
+
+    _NeedleSurf = None
+    _Scale      = None
+    _Parent     = None
+    _Segs       = [0,15,29, 45,55,65, 75,90,100]
+    snd_segs = [ [0,20],[21,40],[41,50],[51,60],[61,70],[71,85],[86,90],[91,95],[96,100] ]
+    
+    def __init__(self):
+        Slider.__init__(self)
+        
+    def Init(self):
+        self._Width = self._Parent._Width
+        self._Height = self._Parent._Height
+        
+        self._BGpng = IconItem()
+        self._BGpng._ImgSurf = MyIconPool._Icons["vol"]
+        self._BGpng._MyType = ICON_TYPES["STAT"]
+        self._BGpng._Parent = self
+        self._BGpng.Adjust(0,0,self._BGwidth,self._BGheight,0)
+
+        ##self._NeedleSurf = pygame.Surface( (38,12),pygame.SRCALPHA )
+        
+        self._Scale = MultiIconItem()
+        self._Scale._MyType = ICON_TYPES["STAT"]
+        self._Scale._Parent = self
+        self._Scale._ImgSurf = MyIconPool._Icons["scale"]
+        self._Scale._IconWidth = 82
+        self._Scale._IconHeight = 63
+        self._Scale.Adjust(0,0,82,63,0)
+        
+    def SetValue(self,pct):#pct 0-100
+
+        for i,v in enumerate(self.snd_segs):
+            if pct  >= v[0] and pct <= v[1]:
+                self._Value = i
+        
+    def Further(self):
+        self._Value+=1
+        if self._Value < len(self._Segs):
+            if self.OnChangeCB != None:
+                if callable(self.OnChangeCB):
+                    self.OnChangeCB( self._Segs[ self._Value ] )
+        else:
+            self._Value = len(self._Segs)-1
+        
+    def StepBack(self):
+        self._Value-=1
+
+        if self._Value < 0:
+            self._Value = 0
+
+        if self.OnChangeCB != None:
+            if callable(self.OnChangeCB):
+                self.OnChangeCB(self._Segs[self._Value] )
+    
+    def Draw(self):
+        
+        self._BGpng.NewCoord(self._Width/2,self._Height/2 )
+        self._BGpng.Draw()
+
+        self._Scale.NewCoord(self._Width/2,self._Height/2)
+        
+        self._Scale._IconIndex = self._Value
+        
+        self._Scale.Draw()
+        
+        
+        
+class SoundPage(Page):
+
+    _MySlider = None
+    _FootMsg = ["Nav","","","Back","Enter"]
+
+    def Init(self):
+        self._CanvasHWND = self._Screen._CanvasHWND
+        self._Width =  self._Screen._Width
+        self._Height = self._Screen._Height
+        
+        self._MySlider = SoundSlider()
+        
+
+        self._MySlider._Parent = self        
+        self._MySlider.SetCanvasHWND(self._CanvasHWND)
+
+        self._MySlider.OnChangeCB = self.WhenSliderDrag
+
+        self._MySlider.Init()
+        
+        m = alsaaudio.Mixer()
+        self._MySlider.SetValue(m.getvolume()[0])
+        
+    def WhenSliderDrag(self,value): ##value 0-100
+        if value < 0 or value > 100:
+            return
+        
+        m = alsaaudio.Mixer()
+        m.setvolume(int(value))
+        
+    def KeyDown(self,event):
+        
+        if event.key == CurKeys["Menu"] or event.key == CurKeys["A"]:
+            self.ReturnToUpLevelPage()
+            self._Screen.Draw()
+            self._Screen.SwapAndShow()
+        
+        if event.key == CurKeys["Right"]:
+            self._MySlider.Further()
+            self._Screen.Draw()
+            self._Screen.SwapAndShow()
+            
+        if event.key == CurKeys["Left"]:
+            self._MySlider.StepBack()
+            self._Screen.Draw()
+            self._Screen.SwapAndShow()
+        
+    def Draw(self):
+        self.ClearCanvas()
+        
+        self._MySlider.Draw()
+
+        
+
+
+