fix: textarea - Enter翻译/Alt+Enter换行

internal/tui/app.go

@@ -106,14 +106,13 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		return m, nil
 
 	case tea.KeyMsg:
-		keyStr := msg.String()
-		switch {
-		case keyStr == "ctrl+enter":
-			m.textArea.InsertString("\n")
-			m.updateTextAreaHeight()
-			return m, nil
-
-		case keyStr == "enter":
+		switch msg.Type {
+		case tea.KeyEnter:
+			if msg.Alt {
+				m.textArea.InsertString("\n")
+				m.updateTextAreaHeight()
+				return m, nil
+			}
 			if m.loading {
 				return m, nil
 			}
@@ -125,21 +124,21 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			m.errMsg = ""
 			return m, m.doTranslate(text, m.targetLang)
 
-		case keyStr == "ctrl+c":
+		case tea.KeyCtrlC:
 			return m, tea.Quit
 
-		case keyStr == "ctrl+l":
+		case tea.KeyCtrlL:
 			m.textArea.SetValue("")
 			m.result = ""
 			m.errMsg = ""
 			return m, nil
 
-		case keyStr == "ctrl+t":
+		case tea.KeyCtrlT:
 			m.langIndex = (m.langIndex + 1) % len(supportedLangs)
 			m.targetLang = supportedLangs[m.langIndex]
 			return m, nil
 
-		case keyStr == "esc":
+		case tea.KeyEsc:
 			return m, tea.Quit
 		}