try to copy whole design from python gameshell launcher

sysgo/UI/constants.go

@@ -0,0 +1,16 @@
+
+package UI
+
+var (
+	Width = 320
+	Height = 240
+	IconWidth = 80
+	IconHeight = 80
+	IconExt   = ".sh"
+
+	ICON_TYPES = map[string]int{"Emulator":7,"FILE":6,"STAT":5,"NAV":4,"LETTER":3,"FUNC":2,"DIR":1,"EXE":0,"None":-1 }
+	ALIGN      = map[string]int{ "HLeft":0,"HCenter":1,"HRight":2,"VMiddle":3,"SLeft":4,"VCenter":5,"SCenter":6}
+
+	DT   = 50
+	
+)