sound and brightenss

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

@@ -0,0 +1,230 @@
+package main
+
+import(
+  "fmt"
+  "github.com/cuu/gogame/event"
+  "github.com/cuu/LauncherGo/sysgo/UI"
+)
+
+type OnChangeCB_T func(int)
+
+type SliderIcon struct {
+  UI.IconItem
+  Parent *SoundSlider
+  
+}
+func NewSliderIcon() *SliderIcon {
+ 	p := &SliderIcon{}
+	p.MyType = ICON_TYPES["EXE"]
+	p.Align = ALIGN["VCenter"]
+  
+  return p
+}
+
+type SliderMultiIcon struct {
+  UI.MultiIconItem
+  Parent *SoundSlider
+}
+
+func NewSliderMultiIcon() *SliderMultiIcon {
+  p := &SliderMultiIcon{}
+	p.MyType = ICON_TYPES["EXE"]
+	p.Align = ALIGN["VCenter"]
+    
+  p.IconIndex = 0
+	p.IconWidth = 18
+	p.IconHeight = 18
+  
+  return p
+}
+
+type SoundSlider struct {
+    UI.Slider
+    
+    BGpng *SliderIcon
+    BGwidth   int
+    BGheight  int
+    NeedleSurf 
+    Scale  *SliderMultiIcon
+    Parent *SoundPage
+    
+    OnChangeCB OnChangeCB_T
+    
+    snd_segs [][2]int
+}
+
+func NewSoundSlider() *SoundSlider {
+  p := &SoundSlider{}
+  p.Range = [2]int{0,255}
+  p.Value = 0
+  
+  p.BGwidth = 192
+  p.BGheight = 173
+  
+  p.snd_segs = [][2]int{ [2]int{0,20},[2]int{21,40},[2]int{41,50},
+                        [2]int{51,60},[2]int{61,70},[2]int{71,85},
+                        [2]int{86,90},[2]int{91,95},[2]int{96,100}}
+                        
+  return p
+}
+
+func (self *SoundSlider) GetCanvasHWND() *sdl.Surface {
+  return self.CanvasHWND
+}
+
+func (self *SoundSlider) Init() {
+  self.Width = self.Parent.Width
+  self.Height = self.Parent.Height
+  
+  self.BGpng = NewSliderIcon()
+  self.BGpng.ImgSurf = UI.MyIconPool.GetImgSurf("vol")
+  self.BGpng.MyType = UI.ICON_TYPES["STAT"]
+  self.BGpng.Parent = self
+  self.BGpng.Adjust(0,0,self.BGwidth,self.BGheight,0)
+  
+  self.Scale = NewSliderMultiIcon()
+  self.Scale.MyType = UI.ICON_TYPES["STAT"]
+  self.Scale.Parent = self
+  self.Scale.ImgSurf = UI.MyIconPool.GetImgSurf("scale")
+  self.Scale.IconWidth = 82
+  self.Scale.IconHeight = 63
+  self.Scale.Adjust(0,0,82,63,0)
+}
+
+func (self *SoundSlider) SetValue(vol int) { // pct 0 - 100
+  for i,v := range self.snd_segs {
+    if vol >= v[0] && vol <= v[1] {
+      self.Value = i
+      break
+    }
+  }
+}
+
+func (self *SoundSlider) Further() {
+  self.Value += 1
+  
+  if self.Value >= len(self.snd_segs) -1 {
+    self.Value = len(self.snd_segs) -1
+  }
+  
+  vol := self.snd_segs[self.Value][0] + (self.snd_segs[self.Value][1]-self.snd_segs[self.Value][0])/2
+  
+  if self.OnChangeCB != nil {
+    self.OnChangeCB(vol)
+  }
+}
+
+func (self *SoundSlider) StepBack() {
+  self.Value -= 1
+  
+  if self.Value < 0 {
+    self.Value = 0
+  }
+  
+  vol := self.snd_segs[self.Value][0]
+  
+  if self.OnChangeCB != nil {
+    self.OnChangeCB(vol)
+  }
+}
+
+func (self *SoundSlider) Draw() {
+  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()
+
+}
+
+
+type SoundPage struct {
+  UI.Page
+  
+  MySlider *SoundSlider
+
+}
+
+func NewSoundPage() *SoundPage {
+  p := &SoundPage{}
+  
+	p.PageIconMargin = 20
+	p.SelectedIconTopOffset = 20
+	p.EasingDur = 10
+	p.Align = UI.ALIGN["SLeft"]
+  
+  p.FootMsg = [5]string{"Nav","","","Back","Enter"}
+
+  return p
+}
+
+func (self *SoundPage) Init() {
+  self.CanvasHWND = self.Screen.CanvasHWND
+  self.Width = self.Screen.Width
+  self.Height = self.Screen.Height
+  
+  self.MySlider = NewSoundSlider()
+  
+  self.MySlider.Parent = self
+  self.MySlider.SetCanvasHWND(self.CanvasHWND)
+  
+  self.MySlider.OnChangeCB = self.WhenSliderDrag
+  
+  self.MySlider.Init()
+  
+  v,err := GetVolume()
+  if err == nil {
+    self.MySlider.SetValue(v)
+  }else {
+    fmt.Println(err)
+  }
+}
+
+func (self *SoundPage) OnLoadCb() {
+  v,err := GetVolume()
+  if err == nil {
+    self.MySlider.SetValue(v)
+  }else {
+    fmt.Println(err)
+  }  
+}
+
+func (self *SoundPage) WhenSliderDrag(val int) { //value 0 - 100
+  if value <0 || value > 100 {
+    return 
+  }
+
+  SetVolume(val)
+}
+
+func (self *SoundPage) KeyDown(ev *event.Event) {
+
+	if ev.Data["Key"] == UI.CurKeys["A"] || ev.Data["Key"] == UI.CurKeys["Menu"] {
+		self.ReturnToUpLevelPage()
+		self.Screen.Draw()
+		self.Screen.SwapAndShow()
+	}
+  
+  if ev.Data["Key"] == UI.CurKeys["Right"] {
+    self.MySlider.Further()
+    self.Screen.Draw()
+    self.Screen.SwapAndShow()
+  }
+
+  if ev.Data["Key"] == UI.CurKeys["Left"] {
+    self.MySlider.StepBack()
+    self.Screen.Draw()
+    self.Screen.SwapAndShow()
+  }
+
+}
+
+
+func (self *SoundPage) Draw() {
+  self.ClearCanvas()
+  self.MySlider.Draw()
+}
+