新增 XSLPrintDot 项目，包含打印服务的核心功能和相关配置。实现打印机查询、打印任务处理、远程转发功能，并支持多平台设备ID获取。优化打印数据准备逻辑，增强系统的可维护性和扩展性，同时更新工作区配置以支持新项目。
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280
XSLPrintDot/app.go
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280
XSLPrintDot/app.go
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package main
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import (
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"context"
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"embed"
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"fmt"
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"os"
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"os/exec"
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"strconv"
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"sync"
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"github.com/wailsapp/wails/v2/pkg/menu"
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"github.com/wailsapp/wails/v2/pkg/menu/keys"
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"github.com/wailsapp/wails/v2/pkg/runtime"
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)
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//go:embed docs
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var usageGuides embed.FS
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// App struct
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type App struct {
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ctx context.Context
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AppMode string
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LogPort int
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bridge *Bridge
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settings *SettingsManager
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isQuitting bool
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logsMu sync.Mutex
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settingsCmd *exec.Cmd
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logsCmd *exec.Cmd
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helpCmd *exec.Cmd
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}
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// NewApp creates a new App application struct
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func NewApp(mode string, logPort int) *App {
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return &App{
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AppMode: mode,
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LogPort: logPort,
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bridge: NewBridge(),
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settings: NewSettingsManager(),
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}
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}
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// startup is called when the app starts. The context is saved
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// so we can call the runtime methods
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func (a *App) startup(ctx context.Context) {
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a.ctx = ctx
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// Bind logger
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a.bridge.SetLogger(func(msg string) {
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runtime.EventsEmit(ctx, "log", msg)
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})
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// Bind client count
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a.bridge.SetCountCallback(func(count int) {
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runtime.EventsEmit(ctx, "client_count", count)
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})
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// Bind reload callback
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a.bridge.SetReloadCallback(func() {
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a.Reload()
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})
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a.bridge.SetForwarderStatusProvider(func() RemoteForwarderStatus {
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status := a.bridge.GetRemoteForwarderStatus()
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status.AutoReconnect = a.settings.Get().RemoteAutoConnect
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return status
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})
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a.bridge.SetForwarderConnectHandler(func() {
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a.bridge.StartRemoteForwarderWithSettings(a.settings.Get(), true)
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})
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a.bridge.SetForwarderDisconnectHandler(func() {
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a.bridge.StopRemoteForwarder()
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})
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// Bind client connect
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a.bridge.SetClientConnectCallback(func(clientInfo string) {
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runtime.EventsEmit(ctx, "client_connected", clientInfo)
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})
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if a.AppMode == "main" {
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// Start Log Server
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if err := a.bridge.StartLogServer(); err != nil {
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fmt.Printf("Failed to start log server: %v\n", err)
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} else {
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a.LogPort = a.bridge.logPort
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a.bridge.Log(fmt.Sprintf("Log server started on port %d", a.LogPort))
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}
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a.bridge.ConfigureRemoteForwarder(a.settings.Get())
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}
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}
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func (a *App) domReady(ctx context.Context) {
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// Add any dom ready logic
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}
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func (a *App) beforeClose(ctx context.Context) (prevent bool) {
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return false
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}
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func (a *App) shutdown(ctx context.Context) {
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a.Cleanup()
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}
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func (a *App) Cleanup() {
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if a.AppMode == "main" {
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a.bridge.StopServer()
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a.bridge.StopLogServer()
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a.bridge.StopRemoteForwarder()
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// Kill child windows
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if a.settingsCmd != nil && a.settingsCmd.Process != nil {
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a.settingsCmd.Process.Kill()
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}
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if a.logsCmd != nil && a.logsCmd.Process != nil {
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a.logsCmd.Process.Kill()
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}
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if a.helpCmd != nil && a.helpCmd.Process != nil {
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a.helpCmd.Process.Kill()
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}
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}
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}
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func (a *App) Quit() {
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a.isQuitting = true
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if a.ctx != nil {
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runtime.Quit(a.ctx)
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} else {
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os.Exit(0)
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}
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}
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// Wails Methods
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func (a *App) GetUsageGuide() string {
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lang := a.settings.Get().Language
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filename := "docs/usage_guide_en.md"
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if lang == "zh-CN" {
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filename = "docs/usage_guide_zh.md"
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}
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content, err := usageGuides.ReadFile(filename)
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if err != nil {
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return "# Error\n\nFailed to load usage guide: " + err.Error()
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}
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return string(content)
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}
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func (a *App) GetSettings() AppSettings {
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return a.settings.Get()
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}
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func (a *App) SaveSettings(s AppSettings) error {
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return a.settings.Save(s)
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}
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func (a *App) GetPrinters() ([]PrinterInfo, error) {
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return a.bridge.GetPrinters()
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}
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// PrintCurrentView uses the CDP hack to silent print the current WebView content
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func (a *App) StartServer(port, key string) error {
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return a.bridge.StartServer(port, key)
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}
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func (a *App) StopServer() error {
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return a.bridge.StopServer()
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}
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func (a *App) GetAppMode() string {
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return a.AppMode
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}
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func (a *App) Restart() {
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runtime.Quit(a.ctx)
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}
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func (a *App) ShowHelp() {
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a.logsMu.Lock()
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defer a.logsMu.Unlock()
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a.spawnWindow("help", &a.helpCmd)
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}
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func (a *App) ShowLogs() {
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a.logsMu.Lock()
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defer a.logsMu.Unlock()
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a.spawnWindow("logs", &a.logsCmd)
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}
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func (a *App) ShowSettings() {
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a.logsMu.Lock()
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defer a.logsMu.Unlock()
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a.spawnWindow("settings", &a.settingsCmd)
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}
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func (a *App) spawnWindow(mode string, cmdStore **exec.Cmd) {
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exe, err := os.Executable()
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if err != nil {
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a.bridge.Log(fmt.Sprintf("Failed to get executable: %v", err))
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return
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}
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cmd := exec.Command(exe, mode, strconv.Itoa(a.LogPort))
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cmd.Start()
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*cmdStore = cmd
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}
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func (a *App) GetLogPort() int {
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return a.LogPort
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}
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func (a *App) GetRemoteForwarderStatus() RemoteForwarderStatus {
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return a.bridge.GetRemoteForwarderStatus()
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}
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func (a *App) DisconnectRemoteForwarder() {
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a.bridge.StopRemoteForwarder()
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}
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func (a *App) ConnectRemoteForwarder() {
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a.bridge.StartRemoteForwarderWithSettings(a.settings.Get(), true)
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}
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func (a *App) CreateMenu(lang string) *menu.Menu {
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// Ensure locales are loaded
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LoadLocales(lang)
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appMenu := menu.NewMenu()
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// Main App Configuration
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menuTitle := T("menu.title")
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settingsTitle := T("menu.settings")
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logsTitle := T("menu.logs")
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helpTitle := T("menu.help")
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quitTitle := T("menu.quit")
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// Menu (菜单)
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MenuMenu := appMenu.AddSubmenu(menuTitle)
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MenuMenu.AddText(logsTitle, keys.CmdOrCtrl("l"), func(_ *menu.CallbackData) {
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a.ShowLogs()
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})
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MenuMenu.AddSeparator()
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MenuMenu.AddText(quitTitle, keys.CmdOrCtrl("q"), func(_ *menu.CallbackData) {
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a.Quit()
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})
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// Help (帮助)
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HelpMenu := appMenu.AddSubmenu(helpTitle)
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HelpMenu.AddText(helpTitle, keys.CmdOrCtrl("h"), func(_ *menu.CallbackData) {
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a.ShowHelp()
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})
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// Settings (设置)
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SettingsMenu := appMenu.AddSubmenu(settingsTitle)
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SettingsMenu.AddText(settingsTitle, keys.CmdOrCtrl("i"), func(_ *menu.CallbackData) {
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a.ShowSettings()
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})
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return appMenu
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}
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func (a *App) UpdateUI(lang string) {
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if a.ctx != nil && a.AppMode == "main" {
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runtime.MenuSetApplicationMenu(a.ctx, a.CreateMenu(lang))
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// Emit event for frontend updates
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runtime.EventsEmit(a.ctx, "reload_settings")
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}
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}
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func (a *App) Reload() {
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// Reload settings from disk
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a.settings.Load()
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// Reload locale
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LoadLocales(a.settings.Get().Language)
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// Update menu and UI
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a.UpdateUI(a.settings.Get().Language)
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a.bridge.ConfigureRemoteForwarder(a.settings.Get())
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a.bridge.Log("Settings reloaded")
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}
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