try to copy whole design from python gameshell launcher

sysgo/UI/title_bar.go

@@ -0,0 +1,180 @@
+package UI
+
+import (
+	"log"
+	"strconv"
+	"bufio"
+	"strings"
+	
+	"github.com/veandco/go-sdl2/sdl"
+	
+	"github.com/cuu/gogame/surface"
+	
+	"github.com/itchyny/volume-go"
+
+	"../sysgo"
+)
+
+
+var TitleBar_BarHeight = 24
+
+type TitleBar struct {
+
+	PosX int
+	PosY int
+	Width int
+	Height int
+	BarHeight int
+	LOffset int
+	ROffset int
+	Icons map[string]interface{}
+	IconWidth
+	IconHeight
+	BorderWidth
+	CanvasHWND *sdl.Surface
+	HWND       interface{}
+	Title string
+	InLowBackLight int
+	SkinManager interface{}
+
+	icon_base_path string /// SkinMap("gameshell/titlebar_icons/")
+}
+
+
+func NewTitleBar() *TitleBar {
+	t := &TitleBar{}
+
+	
+	t.BorderWidth = 1
+
+	t.BarHeight = TitleBar_BarHeight
+	t.Height = t.BarHeight + t.BorderWidth
+
+	t.Width = Width
+	
+	t.Icons = make(map[string]interface{})
+	
+	//t.icon_base_path  = SkinMap("gameshell/titlebar_icons/")
+}
+
+func (t *TitleBar) RoundRobinCheck {
+	
+}
+
+func (t *TitleBar) UpdateWifiStrength() {
+	
+}
+
+func (t *TitleBar) GetWifiStrength(stren string) int {
+	segs := [][]int{ []int{-2,-1}, []int{0,25}, []int{25,50}, []int{50,75},int{75,100}}
+	stren_number,_ :=  strconv.Atoi( stren )
+	ge := 0
+	if stren_number == 0 {
+		return ge
+	}
+	
+	for i,v in range segs {
+		if stren_number >= v[0] && stren_number <= v[1] {
+			ge = i
+			break
+		}
+	}
+
+	return ge	
+}
+
+func (t *TitleBar) SyncSoundVolume() {
+	
+  vol, err := volume.GetVolume()
+  if err != nil {
+    log.Fatalf("get volume failed: %+v", err)
+		vol = 0
+  }
+  fmt.Printf("current volume: %d\n", vol)
+
+	snd_segs := [][]int{ []int{0,10}, []int{10,30}, []int{30,70},[]int{70,100} }
+	ge := 0
+
+	for i,v in range snd_segs {
+		if vol >= v[0] && vol <= v[1] {
+			ge = i
+			break
+		}
+	}
+
+	// 
+}
+
+func (t *TitleBar) SetSoundVolume(vol int) {
+	//pass
+}
+
+func (t *TitleBar) CheckBatteryStat() {
+	bat_segs:= [][]int{[]int{0,6},[]int{7,15},[]int{16,20},[]int{21,30},[]int{31,50},[]int{51,60},[]int{61,80},[]int{81,90},[]int{91,100}}
+	
+	file, err := os.Open( sysgo.Battery )
+	if err != nil {
+		fmt.Println("Could not open file ", sysgo.Battery)
+		t.Icons["battery"] = t.Icons["battery_unknown"]
+		return
+	}
+
+	defer file.Close()
+
+	bat_uevent := make([string]string)
+	
+  scanner := bufio.NewScanner(file)
+	scanner.Split(bufio.ScanLines) 
+
+	for scanner.Scan() {
+		line := scanner.Text()
+		line = strings.Trim(line," ")
+		pis := strings.Split(line,"=")
+		if len(pis) > 1 {
+			bat_uevent[ pis[0] ] = pis[1]
+		}
+	}
+
+	cur_cap := 0
+	
+	if val, ok := bat_uevent["POWER_SUPPLY_CAPACITY"]; ok {
+		cur_cap = strings.Atoi(val)
+	}else {
+		cur_cap = 0
+	}
+
+	cap_ge := 0
+
+	for i,v in range bat_segs {
+		if cur_cap >= v[0] && cur_cap <= v[1] {
+			cap_ge = i
+			break
+		}
+	}
+
+	if val, ok := bat_uevent["POWER_SUPPLY_STATUS"]; ok {
+		if val == "Charging" {
+			t.Icons["battery_charging"].IconIndex = cap_ge
+			t.Icons["battery"] = t.Icons["battery_charging"]
+		}else {
+			t.Icons["battery_charging"].IconIndex = cap_ge
+			t.Icons["battery"] = t.Icons["battery_discharging"]			
+		}
+	}
+	
+}
+
+func (t *TitleBar) SetBatteryStat( bat int) {
+	
+}
+
+func (t *TitleBar) Init(screen *MainScreen) {
+
+	start_x := 0
+
+	t.CanvasHWND = surface.Surface(t.Width,t.Height)
+	t.HWND = screen
+
+	icon_wifi_statu := NewMultiIconItem()
+	
+}