add mp3 example

README.md

@@ -18,6 +18,10 @@ https://translate.googleapis.com/translate_a/single?client=gtx&sl=%s&tl=%s&dt=t&
 
 [example](https://gist.github.com/iochen/acad285d2d23066df9449d40a7f3547c)
 
+[play on network](https://github.com/tosone/minimp3#examples-are-here)
+
+[low level](https://github.com/hajimehoshi/oto)
+
 ## config
 
 [viper](https://github.com/spf13/viper)

translator.go

@@ -10,7 +10,8 @@ import (
 )
 
 const (
-	API_URL = "https://translate.googleapis.com/translate_a/single?client=gtx&sl=%s&tl=%s&dt=t&q=%s"
+	api_url = "https://translate.googleapis.com/translate_a/single?client=gtx&sl=%s&tl=%s&dt=t&q=%s"
+	sound_url = "https://translate.google.com.vn/translate_tts?ie=UTF-8&q=%s&tl=%s&client=tw-ob"
 )
 
 type Translator struct {
@@ -23,7 +24,7 @@ func (t Translator) Translate(message string) (string, error) {
 	var translated string
 
 	url_str := fmt.Sprintf(
-		API_URL,
+		api_url,
 		Lang_Code[t.src_lang],
 		Lang_Code[t.dest_lang],
 		url.QueryEscape(message),

ui.go

@@ -16,10 +16,35 @@ func ui_init() {
 	src_box.SetSelectedStyle(tcell.StyleDefault.
 		Background(window.src.selected_color).
 		Foreground(window.src.foreground_color))
+	src_box.SetInputCapture(InputHandle)
 
 	dest_box.SetBorder(true).
 		SetTitle(translator.dest_lang).
 		SetBorderColor(window.dest.border_color).
 		SetTitleColor(window.dest.border_color).
 		SetBackgroundColor(window.dest.background_color)
+	dest_box.SetTextColor(window.dest.foreground_color)
+}
+
+func InputHandle(event *tcell.EventKey) *tcell.EventKey {
+	key := event.Key()
+	switch key {
+	case tcell.KeyCtrlJ:
+		result, err := translator.Translate(src_box.GetText())
+		if err != nil {
+			dest_box.SetText(err.Error())
+		} else {
+			dest_box.SetText(result)
+		}
+	case tcell.KeyCtrlQ:
+		src_box.SetText("", true)
+	case tcell.KeyCtrlN:
+		dest_box.SetText("NNN")
+	case tcell.KeyCtrlP:
+		dest_box.SetText("PPP")
+	case tcell.KeyCtrlT:
+		dest_box.SetText("TTT")
+	}
+
+	return event
 }