rename with camel case

color.go

@@ -47,7 +47,7 @@ type Window struct {
 	dst Colors
 }
 
-func (w *Window) color_init() {
+func (w *Window) colorInit() {
 	if transparent {
 		w.src.background_color = Transparent
 		w.dst.background_color = Transparent

language.go

@@ -112,7 +112,7 @@ var (
 		"Yoruba",
 		"Zulu",
 	}
-	Lang_Code = map[string]string{
+	LangCode = map[string]string{
 		"Afrikaans":                     "af",
 		"Albanian":                      "sq",
 		"Amharic":                       "am",

main.go

@@ -27,7 +27,7 @@ func main() {
 	translator.dst_lang = "Chinese (Traditional)"
 	// result, _ := translator.Translate("Hello world\nApple\nbumper")
 	// fmt.Println(result)
-	window.color_init()
+	window.colorInit()
 	ui_init()
 	translate_page.SetDirection(tview.FlexColumn).
 		AddItem(src_box, 0, 1, true).

translator.go

@@ -28,8 +28,8 @@ func (t Translator) Translate(message string) (string, error) {
 
 	url_str := fmt.Sprintf(
 		api_url,
-		Lang_Code[t.src_lang],
-		Lang_Code[t.dst_lang],
+		LangCode[t.src_lang],
+		LangCode[t.dst_lang],
 		url.QueryEscape(message),
 	)
 	res, err := http.Get(url_str)
@@ -61,7 +61,7 @@ func (t Translator) PlaySound(lang string, message string) {
 	url_str := fmt.Sprintf(
 		sound_url,
 		url.QueryEscape(message),
-		Lang_Code[lang],
+		LangCode[lang],
 	)
 	res, err := http.Get(url_str)
 	if err != nil {

ui.go

@@ -73,10 +73,10 @@ func ui_init() {
 	// handler
 	pages.SetInputCapture(PagesHandler)
 	translate_page.SetInputCapture(TranslatePageHandler)
-	src_dropdown.SetDoneFunc(SrcDropDownHandler)
-	src_dropdown.SetSelectedFunc(SrcSelected)
-	dst_dropdown.SetDoneFunc(DstDropDownHandler)
-	dst_dropdown.SetSelectedFunc(DstSelected)
+	src_dropdown.SetDoneFunc(SrcDropDownHandler).
+		SetSelectedFunc(SrcSelected)
+	dst_dropdown.SetDoneFunc(DstDropDownHandler).
+		SetSelectedFunc(DstSelected)
 }
 
 func PagesHandler(event *tcell.EventKey) *tcell.EventKey {