增加多语言支持

internal/ui/tray.go

@@ -1,6 +1,8 @@
 package ui
 
 import (
+	"lmvpn/internal/i18n"
+
 	"fyne.io/fyne/v2"
 	"fyne.io/fyne/v2/driver/desktop"
 )
@@ -11,20 +13,51 @@ func (a *App) setupTray() {
 	if !ok {
 		return // not a desktop app, skip tray
 	}
-	menu := fyne.NewMenu("LMVPN",
-		fyne.NewMenuItem("Show Window", func() {
+
+	// Language submenu — labels for English and 中文 are always shown in
+	// their native script so the user can recognise them regardless of
+	// the active language.
+	autoItem := fyne.NewMenuItem(i18n.T("TrayLanguageAuto"), func() {
+		a.changeLanguage(i18n.LangAuto)
+	})
+	enItem := fyne.NewMenuItem("English", func() {
+		a.changeLanguage(i18n.LangEn)
+	})
+	zhItem := fyne.NewMenuItem("中文", func() {
+		a.changeLanguage(i18n.LangZhHans)
+	})
+
+	// Mark the currently selected option.
+	switch {
+	case a.langSetting == "" || a.langSetting == i18n.LangAuto:
+		autoItem.Checked = true
+	case a.langSetting == i18n.LangEn:
+		enItem.Checked = true
+	case a.langSetting == i18n.LangZhHans:
+		zhItem.Checked = true
+	}
+
+	langItem := fyne.NewMenuItem(i18n.T("TrayLanguage"), nil)
+	langItem.ChildMenu = fyne.NewMenu(i18n.T("TrayLanguage"),
+		autoItem, enItem, zhItem,
+	)
+
+	menu := fyne.NewMenu(i18n.T("WindowTitle"),
+		fyne.NewMenuItem(i18n.T("TrayShowWindow"), func() {
 			a.window.Show()
 			a.window.RequestFocus()
 		}),
 		fyne.NewMenuItemSeparator(),
-		fyne.NewMenuItem("Connect", func() {
+		fyne.NewMenuItem(i18n.T("TrayConnect"), func() {
 			a.onConnect()
 		}),
-		fyne.NewMenuItem("Disconnect", func() {
+		fyne.NewMenuItem(i18n.T("TrayDisconnect"), func() {
 			a.onDisconnect()
 		}),
 		fyne.NewMenuItemSeparator(),
-		fyne.NewMenuItem("Quit", func() {
+		langItem,
+		fyne.NewMenuItemSeparator(),
+		fyne.NewMenuItem(i18n.T("TrayQuit"), func() {
 			a.fyneApp.Quit()
 		}),
 	)