From e1226e6ae5a75388fe5d1a0e1ed008f80fee25ed Mon Sep 17 00:00:00 2001
From: Ariver <shanghai3168@gmail.com>
Date: Sun, 17 May 2026 14:21:25 +0800
Subject: [PATCH] Release Apptag 6.0.5 build 610

---
 Apptag/ApptagApp.swift | 1120 ++++++++++++++++++++++++++++++++++++++++++++++++++--------
 1 files changed, 950 insertions(+), 170 deletions(-)

diff --git a/Apptag/ApptagApp.swift b/Apptag/ApptagApp.swift
index 640545d..e40b773 100644
--- a/Apptag/ApptagApp.swift
+++ b/Apptag/ApptagApp.swift
@@ -5,56 +5,202 @@
 // MARK: - Application Entry Point
 
 @main
-struct ApptagApp: App {
+struct TagLauncherApp: App {
     @NSApplicationDelegateAdaptor(AppDelegate.self) var appDelegate
 
     var body: some Scene {
         Settings {
             PreferencesView()
         }
+        .defaultSize(width: 880, height: 460)
+        .commands {
+            CommandGroup(replacing: .systemServices) { }
+            CommandGroup(replacing: .appVisibility) { }
+        }
     }
 }
 
 // MARK: - App Delegate (menubar + overlay window + hotkey)
 
+final class OverlayPanel: NSPanel {
+    override var canBecomeKey: Bool { true }
+    override var canBecomeMain: Bool { true }
+}
+
 final class AppDelegate: NSObject, NSApplicationDelegate {
-    private var statusItem: NSStatusItem!
+    private static let showDockIconKey = "showDockIcon"
+    private static let showAppListMenuItemIdentifier = NSUserInterfaceItemIdentifier("TagLauncherShowAppListMenuItem")
+    private static let showAppListShortcutGlyphs = "⌥⇧␣"
+
+    private var statusItem: NSStatusItem?
     private var overlayWindow: NSWindow?
+    private var overlayKeyMonitor: Any?
+    private var settingsWindow: NSWindow?    // Track Settings window to keep it above overlay
     private var hotkeyRef: EventHotKeyRef?
     private var isInEditMode = false  // Suppress auto-dismiss during editing
+    private var isConfiguringApplicationMenu = false
+    private var lastShowDockIcon: Bool?
+
+    static func refreshChromeSettings() {
+        (NSApp.delegate as? AppDelegate)?.syncChromeSettings(force: true)
+    }
 
     func applicationDidFinishLaunching(_ notification: Notification) {
         L10n.setup()
-        NSApp.setActivationPolicy(.accessory)
-        setupMenuBar()
+        migrateDefaultGroupName()
+        TagDatabase.seedDefaultTags()
+        syncChromeSettings(force: true)
         registerHotkey()
         observeOtherWindows()
+        observeSettingsClose()
         observeEditMode()
+        observeApplicationMenuChanges()
+        observeChromeSettings()
+        observeLanguageChanges()
+        setupLaunchAtLogin()
+        configureApplicationMenuWhenAvailable()
+    }
+
+    /// Dock icon click → show overlay (same as menubar "Show TagLauncher")
+    func applicationShouldHandleReopen(_ sender: NSApplication, hasVisibleWindows flag: Bool) -> Bool {
+        showOverlay()
+        return false  // Suppress default "unhide all windows" behavior
+    }
+
+    /// Ensure defaultGroupName is always the language-neutral key "Other".
+    /// Translates known old values back to "Other" so switching languages works.
+    private func migrateDefaultGroupName() {
+        let key = "defaultGroupName"
+        let stored = UserDefaults.standard.string(forKey: key)
+        // "Other" is the neutral key — nothing to do
+        if stored == nil || stored == "Other" { return }
+        // Check if the stored value is a translated version of "group.uncategorized"
+        for (code, _) in L10n.supported {
+            let loc = L10n.loadedTranslation("group.uncategorized", for: code)
+            if stored == loc {
+                UserDefaults.standard.set("Other", forKey: key)
+                return
+            }
+        }
+        // User has set a custom name — keep it
+    }
+
+    /// Observe Dock visibility changes so they take effect immediately.
+    private func observeChromeSettings() {
+        NotificationCenter.default.addObserver(
+            forName: UserDefaults.didChangeNotification,
+            object: nil, queue: .main
+        ) { [weak self] _ in
+            self?.syncChromeSettings()
+        }
+    }
+
+    private func syncChromeSettings(force: Bool = false) {
+        let showDock = UserDefaults.standard.bool(forKey: Self.showDockIconKey)
+        let dockChanged = lastShowDockIcon != showDock
+
+        if force || dockChanged {
+            NSApp.setActivationPolicy(showDock ? .regular : .accessory)
+            lastShowDockIcon = showDock
+        }
+
+        if force {
+            setupMenuBar()
+        }
+    }
+
+    /// Keep app chrome in sync when language changes from any entry point.
+    private func observeLanguageChanges() {
+        NotificationCenter.default.addObserver(
+            forName: .appLanguageDidChange,
+            object: nil, queue: .main
+        ) { [weak self] _ in
+            self?.setupMenuBar()
+            self?.configureApplicationMenuWhenAvailable()
+        }
+    }
+
+    // MARK: - Launch at Login (LaunchAgent, zero permissions)
+
+    private static let launchAgentLabel = "com.apptag.launcher"
+    static var supportsLaunchAtLogin: Bool {
+        ProcessInfo.processInfo.environment["APP_SANDBOX_CONTAINER_ID"] == nil
+    }
+
+    private static var launchAgentURL: URL {
+        FileManager.default.homeDirectoryForCurrentUser
+            .appendingPathComponent("Library/LaunchAgents/\(launchAgentLabel).plist")
+    }
+
+    static func enableLaunchAtLogin() {
+        guard supportsLaunchAtLogin else { return }
+        let plist: [String: Any] = [
+            "Label": Self.launchAgentLabel,
+            "ProgramArguments": ["open", Bundle.main.bundlePath, "--hide"],
+            "RunAtLoad": true,
+        ]
+        let dir = Self.launchAgentURL.deletingLastPathComponent()
+        try? FileManager.default.createDirectory(at: dir, withIntermediateDirectories: true)
+        (plist as NSDictionary).write(to: Self.launchAgentURL, atomically: true)
+
+        let uid = getuid()
+        let task = Process()
+        task.launchPath = "/bin/launchctl"
+        task.arguments = ["bootstrap", "gui/\(uid)", Self.launchAgentURL.path]
+        task.launch()
+    }
+
+    static func disableLaunchAtLogin() {
+        guard supportsLaunchAtLogin else { return }
+        let uid = getuid()
+        let task = Process()
+        task.launchPath = "/bin/launchctl"
+        task.arguments = ["bootout", "gui/\(uid)/\(Self.launchAgentLabel)"]
+        task.launch()
+        try? FileManager.default.removeItem(at: Self.launchAgentURL)
+    }
+
+    /// On first launch, enable login item by default via LaunchAgent.
+    /// Does NOT require App Management permission.
+    private func setupLaunchAtLogin() {
+        guard Self.supportsLaunchAtLogin else {
+            if UserDefaults.standard.object(forKey: "launchAtLogin") == nil {
+                UserDefaults.standard.set(false, forKey: "launchAtLogin")
+            }
+            return
+        }
+        let key = "launchAtLogin"
+        if UserDefaults.standard.object(forKey: key) == nil {
+            UserDefaults.standard.set(true, forKey: key)
+            Self.enableLaunchAtLogin()
+        }
     }
 
     // MARK: - Menu Bar
 
     private func setupMenuBar() {
-        statusItem = NSStatusBar.system.statusItem(withLength: NSStatusItem.variableLength)
+        removeMenuBarItem()
+        statusItem = NSStatusBar.system.statusItem(withLength: NSStatusItem.squareLength)
+        guard let statusItem else { return }
+        statusItem.isVisible = true
 
         if let button = statusItem.button {
-            button.image = NSImage(
-                systemSymbolName: "tag.fill",
-                accessibilityDescription: "Apptag"
-            )
-            button.toolTip = "Apptag — Tag-based app launcher"
+            button.image = makeMenuBarIcon()
+            button.imageScaling = .scaleProportionallyDown
+            button.imagePosition = .imageOnly
+            button.toolTip = "TagLauncher — Tag-based app launcher"
             button.action = #selector(toggleOverlay)
             button.target = self
         }
 
         let menu = NSMenu()
-        menu.addItem(
-            NSMenuItem(
-                title: tr("menu.show"),
-                action: #selector(toggleOverlay),
-                keyEquivalent: ""
-            )
+        let showItem = NSMenuItem(
+            title: showAppListMenuTitle,
+            action: #selector(toggleOverlay),
+            keyEquivalent: ""
         )
+        showItem.target = self
+        menu.addItem(showItem)
         menu.addItem(.separator())
 
         // Version display
@@ -80,7 +226,7 @@
 
         // Language submenu
         let langMenu = NSMenu()
-        let currentLang = UserDefaults.standard.string(forKey: "appLanguage") ?? "en"
+        let currentLang = L10n.currentCode
         for (code, name) in L10n.supported {
             let item = NSMenuItem(title: name, action: #selector(switchLanguage(_:)), keyEquivalent: "")
             item.representedObject = code
@@ -102,6 +248,168 @@
         statusItem.menu = menu
     }
 
+    private func makeMenuBarIcon() -> NSImage {
+        let image = NSImage(size: NSSize(width: 18, height: 18))
+        image.lockFocus()
+        defer { image.unlockFocus() }
+
+        NSColor.black.setFill()
+
+        let tagBody = NSBezierPath()
+        tagBody.move(to: NSPoint(x: 5.0, y: 2.2))
+        tagBody.line(to: NSPoint(x: 15.6, y: 5.0))
+        tagBody.line(to: NSPoint(x: 12.8, y: 15.8))
+        tagBody.line(to: NSPoint(x: 2.2, y: 13.0))
+        tagBody.close()
+        tagBody.fill()
+
+        NSGraphicsContext.current?.compositingOperation = .clear
+        NSBezierPath(ovalIn: NSRect(x: 10.9, y: 11.2, width: 3.2, height: 3.2)).fill()
+        NSGraphicsContext.current?.compositingOperation = .sourceOver
+
+        image.isTemplate = true
+        image.accessibilityDescription = "TagLauncher"
+        return image
+    }
+
+    private var showAppListMenuTitle: String {
+        "\(tr("menu.showAppList"))  \(Self.showAppListShortcutGlyphs)"
+    }
+
+    private func observeApplicationMenuChanges() {
+        NotificationCenter.default.addObserver(
+            forName: NSApplication.didBecomeActiveNotification,
+            object: NSApp, queue: .main
+        ) { [weak self] _ in
+            self?.configureApplicationMenuWhenAvailable(retries: 4)
+        }
+
+        NotificationCenter.default.addObserver(
+            forName: NSMenu.didAddItemNotification,
+            object: nil, queue: .main
+        ) { [weak self] notification in
+            guard let self,
+                  !self.isConfiguringApplicationMenu,
+                  let menu = notification.object as? NSMenu,
+                  menu === NSApp.mainMenu?.items.first?.submenu
+            else { return }
+            self.configureApplicationMenuWhenAvailable(retries: 2)
+        }
+    }
+
+    private func configureApplicationMenuWhenAvailable(retries: Int = 20) {
+        DispatchQueue.main.asyncAfter(deadline: .now() + 0.05) { [weak self] in
+            guard let self else { return }
+            guard NSApp.mainMenu?.items.first?.submenu != nil else {
+                if retries > 0 {
+                    self.configureApplicationMenuWhenAvailable(retries: retries - 1)
+                }
+                return
+            }
+
+            self.configureApplicationMenu()
+            if retries > 0 && self.applicationMenuNeedsCleanup() {
+                self.configureApplicationMenuWhenAvailable(retries: retries - 1)
+            }
+        }
+    }
+
+    private func configureApplicationMenu() {
+        guard !isConfiguringApplicationMenu else { return }
+        guard let appMenu = NSApp.mainMenu?.items.first?.submenu else { return }
+
+        isConfiguringApplicationMenu = true
+        defer { isConfiguringApplicationMenu = false }
+
+        removeUnusedDefaultItems(from: appMenu)
+        upsertShowAppListItem(in: appMenu)
+        normalizeSeparators(in: appMenu)
+    }
+
+    private func applicationMenuNeedsCleanup() -> Bool {
+        guard let appMenu = NSApp.mainMenu?.items.first?.submenu else { return true }
+        let hasUnusedDefaultItems = appMenu.items.contains(where: isUnusedDefaultApplicationMenuItem)
+        let hasShowAppListItem = appMenu.items.contains {
+            $0.identifier == Self.showAppListMenuItemIdentifier
+        }
+        return hasUnusedDefaultItems || !hasShowAppListItem
+    }
+
+    private func removeUnusedDefaultItems(from menu: NSMenu) {
+        for item in menu.items.reversed() where isUnusedDefaultApplicationMenuItem(item) {
+            menu.removeItem(item)
+        }
+    }
+
+    private func isUnusedDefaultApplicationMenuItem(_ item: NSMenuItem) -> Bool {
+        if let servicesMenu = NSApp.servicesMenu, item.submenu === servicesMenu {
+            return true
+        }
+        return item.action == #selector(NSApplication.hide(_:))
+            || item.action == #selector(NSApplication.hideOtherApplications(_:))
+            || item.action == #selector(NSApplication.unhideAllApplications(_:))
+    }
+
+    private func upsertShowAppListItem(in menu: NSMenu) {
+        if let existingItem = menu.items.first(where: { $0.identifier == Self.showAppListMenuItemIdentifier }) {
+            configureShowAppListItem(existingItem)
+            return
+        }
+
+        let item = NSMenuItem()
+        item.identifier = Self.showAppListMenuItemIdentifier
+        configureShowAppListItem(item)
+
+        if let settingsIndex = menu.items.firstIndex(where: { isSettingsMenuItem($0) }) {
+            menu.insertItem(item, at: settingsIndex + 1)
+        } else if let firstSeparatorIndex = menu.items.firstIndex(where: { $0.isSeparatorItem }) {
+            menu.insertItem(item, at: firstSeparatorIndex)
+        } else {
+            menu.addItem(item)
+        }
+    }
+
+    private func configureShowAppListItem(_ item: NSMenuItem) {
+        item.title = showAppListMenuTitle
+        item.action = #selector(toggleOverlay)
+        item.target = self
+        item.keyEquivalent = ""
+        item.keyEquivalentModifierMask = []
+        item.isEnabled = true
+    }
+
+    private func isSettingsMenuItem(_ item: NSMenuItem) -> Bool {
+        item.action == Selector(("showSettingsWindow:"))
+            || item.action == #selector(openPreferences)
+            || item.title == tr("menu.preferences")
+    }
+
+    private func normalizeSeparators(in menu: NSMenu) {
+        var indexesToRemove: [Int] = []
+        var previousWasSeparator = false
+
+        for (index, item) in menu.items.enumerated() {
+            guard item.isSeparatorItem else {
+                previousWasSeparator = false
+                continue
+            }
+            if index == 0 || index == menu.items.count - 1 || previousWasSeparator {
+                indexesToRemove.append(index)
+            }
+            previousWasSeparator = true
+        }
+
+        for index in indexesToRemove.reversed() {
+            menu.removeItem(at: index)
+        }
+    }
+
+    private func removeMenuBarItem() {
+        guard let statusItem else { return }
+        NSStatusBar.system.removeStatusItem(statusItem)
+        self.statusItem = nil
+    }
+
     // MARK: - Overlay Window
 
     @objc private func toggleOverlay() {
@@ -113,62 +421,89 @@
     }
 
     private func showOverlay() {
-        if overlayWindow == nil {
-            // Use the screen under the mouse cursor — works in fullscreen spaces
-            let mousePoint = NSEvent.mouseLocation
-            guard let screen = NSScreen.screens.first(where: {
-                NSMouseInRect(mousePoint, $0.frame, false)
-            }) ?? NSScreen.main ?? NSScreen.screens.first else { return }
+        // Use the screen under the mouse cursor — works in fullscreen spaces
+        let mousePoint = NSEvent.mouseLocation
+        guard let screen = NSScreen.screens.first(where: {
+            NSMouseInRect(mousePoint, $0.frame, false)
+        }) ?? NSScreen.main ?? NSScreen.screens.first else { return }
 
-            overlayWindow = NSWindow(
-                contentRect: screen.frame,
-                styleMask: [.borderless, .fullSizeContentView],
-                backing: .buffered,
-                defer: false
-            )
-            overlayWindow?.level = .floating
-            overlayWindow?.collectionBehavior = [
-                .canJoinAllSpaces,
-                .fullScreenAuxiliary,
-                .ignoresCycle
-            ]
-            overlayWindow?.isOpaque = false
-            overlayWindow?.backgroundColor = .clear
-            overlayWindow?.hasShadow = false
-            overlayWindow?.titlebarAppearsTransparent = true
-            overlayWindow?.titleVisibility = .hidden
-            overlayWindow?.isReleasedWhenClosed = false
+        overlayWindow?.orderOut(nil)
+        overlayWindow = makeOverlayWindow(on: screen)
+        overlayWindow?.setFrame(screen.frame, display: true)
+        overlayWindow?.level = NSWindow.Level(rawValue: Int(CGWindowLevelForKey(.maximumWindow)))
 
-            overlayWindow?.contentView = DismissibleHostingView(
-                rootView: ContentView(hideOverlay: { [weak self] in
-                    self?.hideOverlay()
-                }),
-                onBackdropTap: { [weak self] in
-                    self?.hideOverlay()
-                }
-            )
-        }
+        installOverlayKeyMonitor()
 
-        // Local key monitor: catch Escape while overlay is up
-        NSEvent.addLocalMonitorForEvents(matching: .keyDown) { [weak self] event in
+        overlayWindow?.makeKeyAndOrderFront(nil)
+        overlayWindow?.orderFrontRegardless()
+    }
+
+    private func installOverlayKeyMonitor() {
+        guard overlayKeyMonitor == nil else { return }
+        overlayKeyMonitor = NSEvent.addLocalMonitorForEvents(matching: .keyDown) { [weak self] event in
             if event.keyCode == 53 { // Escape
                 self?.hideOverlay()
                 return nil
             }
             return event
         }
-
-        overlayWindow?.makeKeyAndOrderFront(nil)
-        NSApp.activate(ignoringOtherApps: true)
     }
 
-    private func hideOverlay() {
-        guard !isInEditMode else { return }
+    private func removeOverlayKeyMonitor() {
+        if let monitor = overlayKeyMonitor {
+            NSEvent.removeMonitor(monitor)
+            overlayKeyMonitor = nil
+        }
+    }
+
+    private func makeOverlayWindow(on screen: NSScreen) -> NSWindow {
+        let panel = OverlayPanel(
+            contentRect: screen.frame,
+            styleMask: [.borderless, .fullSizeContentView, .nonactivatingPanel],
+            backing: .buffered,
+            defer: false
+        )
+        panel.isFloatingPanel = true
+        panel.hidesOnDeactivate = false
+        panel.collectionBehavior = [
+            .moveToActiveSpace,
+            .fullScreenAuxiliary,
+            .stationary,
+            .transient,
+            .ignoresCycle
+        ]
+        panel.isOpaque = false
+        panel.backgroundColor = .clear
+        panel.hasShadow = false
+        panel.titlebarAppearsTransparent = true
+        panel.titleVisibility = .hidden
+        panel.isReleasedWhenClosed = false
+        panel.contentView = DismissibleHostingView(
+            rootView: ContentView(hideOverlay: { [weak self] in
+                self?.hideOverlay(force: true)
+            }),
+            onBackdropTap: { [weak self] in
+                self?.hideOverlay()
+            }
+        )
+        return panel
+    }
+
+    private func hideOverlay(force: Bool = false) {
+        guard force || !isInEditMode else { return }
+        if let settingsWindow, settingsWindow.parent == overlayWindow {
+            detachSettingsWindow(settingsWindow)
+        }
         overlayWindow?.orderOut(nil)
+        removeOverlayKeyMonitor()
+        if force {
+            overlayWindow = nil
+        }
     }
 
     // MARK: - Global Hotkey (Shift+Option+Space)
 
+    /// Carbon RegisterEventHotKey. If it fails (sandbox, etc.), falls back to menu bar only.
     private func registerHotkey() {
         var hotkeyID = EventHotKeyID()
         hotkeyID.signature = OSType(0x41505447) // 'APTG'
@@ -188,7 +523,7 @@
         hotkeyRef = ref
 
         if status != noErr {
-            print("[Apptag] Hotkey registration failed: \(status). Falling back to menu bar only.")
+            print("[TagLauncher] Hotkey registration failed: \(status). Falling back to menu bar only.")
             return
         }
 
@@ -233,14 +568,107 @@
                   keyWindow != self.overlayWindow,
                   !self.isInEditMode
             else { return }
+
+            // Settings/Preferences window -> float it above overlay for real-time preview.
+            if self.isSettingsWindowCandidate(keyWindow) {
+                self.prepareSettingsWindow(keyWindow)
+                return
+            }
+
             self.hideOverlay()
+        }
+    }
+
+    /// Settings must always appear centered over the current overlay view and float above it.
+    private func prepareSettingsWindow(_ window: NSWindow) {
+        let settingsSize = NSSize(width: 880, height: 460)
+        window.identifier = NSUserInterfaceItemIdentifier("TagLauncherPreferencesWindow")
+        window.minSize = settingsSize
+        window.maxSize = settingsSize
+        if abs(window.frame.width - settingsSize.width) > 0.5 || abs(window.frame.height - settingsSize.height) > 0.5 {
+            window.setFrame(
+                NSRect(origin: window.frame.origin, size: settingsSize),
+                display: false
+            )
+        }
+
+        if let overlayWindow, overlayWindow.isVisible {
+            center(window, over: overlayWindow.frame)
+            attachSettingsWindow(window, to: overlayWindow)
+            window.level = overlayWindow.level
+        } else if let screen = screenUnderMouse() {
+            center(window, over: screen.visibleFrame)
+            window.level = .floating
+            detachSettingsWindow(window)
+        }
+
+        var behavior = window.collectionBehavior
+        behavior.remove(.canJoinAllSpaces)
+        behavior.formUnion([.fullScreenAuxiliary, .moveToActiveSpace])
+        window.collectionBehavior = behavior
+        window.makeKeyAndOrderFront(nil)
+        window.orderFrontRegardless()
+        settingsWindow = window
+    }
+
+    private func attachSettingsWindow(_ window: NSWindow, to overlayWindow: NSWindow) {
+        if window.parent != overlayWindow {
+            window.parent?.removeChildWindow(window)
+            overlayWindow.addChildWindow(window, ordered: .above)
+        }
+    }
+
+    private func detachSettingsWindow(_ window: NSWindow) {
+        window.parent?.removeChildWindow(window)
+    }
+
+    private func isSettingsWindowCandidate(_ window: NSWindow) -> Bool {
+        if window == settingsWindow { return true }
+        if window.identifier?.rawValue == "TagLauncherPreferencesWindow" { return true }
+        guard NSApp.windows.contains(window),
+              window != overlayWindow,
+              window.isVisible,
+              !(window is NSPanel)
+        else { return false }
+        return true
+    }
+
+    private func center(_ window: NSWindow, over rect: NSRect) {
+        let frame = window.frame
+        let origin = NSPoint(
+            x: rect.midX - frame.width / 2,
+            y: rect.midY - frame.height / 2
+        )
+        window.setFrameOrigin(origin)
+    }
+
+    private func screenUnderMouse() -> NSScreen? {
+        let mousePoint = NSEvent.mouseLocation
+        return NSScreen.screens.first(where: {
+            NSMouseInRect(mousePoint, $0.frame, false)
+        }) ?? NSScreen.main ?? NSScreen.screens.first
+    }
+
+    /// Clean up settingsWindow reference when the Settings window closes.
+    private func observeSettingsClose() {
+        NotificationCenter.default.addObserver(
+            forName: NSWindow.willCloseNotification,
+            object: nil,
+            queue: .main
+        ) { [weak self] notification in
+            guard let self,
+                  let closingWindow = notification.object as? NSWindow,
+                  closingWindow == self.settingsWindow
+            else { return }
+            self.detachSettingsWindow(closingWindow)
+            self.settingsWindow = nil
         }
     }
 
     /// Track whether the overlay is in edit mode to suppress auto-dismiss.
     private func observeEditMode() {
         NotificationCenter.default.addObserver(
-            forName: .apptagEditModeChanged,
+            forName: .tagLauncherEditModeChanged,
             object: nil,
             queue: .main
         ) { [weak self] notification in
@@ -249,15 +677,31 @@
     }
 
     @objc private func openPreferences() {
-        hideOverlay()
+        // Don't hide overlay — keep it visible for real-time setting preview.
+        if let overlayWindow, overlayWindow.isVisible {
+            overlayWindow.makeKeyAndOrderFront(nil)
+            overlayWindow.orderFrontRegardless()
+        }
         NSApp.sendAction(Selector(("showSettingsWindow:")), to: nil, from: nil)
+        prepareSettingsWindowWhenAvailable(retries: 10)
+    }
+
+    private func prepareSettingsWindowWhenAvailable(retries: Int) {
+        DispatchQueue.main.asyncAfter(deadline: .now() + 0.03) { [weak self] in
+            guard let self else { return }
+            let candidates = NSApp.windows.filter { window in
+                self.isSettingsWindowCandidate(window)
+            }
+            candidates.forEach { self.prepareSettingsWindow($0) }
+            if candidates.isEmpty && retries > 0 {
+                self.prepareSettingsWindowWhenAvailable(retries: retries - 1)
+            }
+        }
     }
 
     @objc private func switchLanguage(_ sender: NSMenuItem) {
         guard let code = sender.representedObject as? String else { return }
         L10n.switchTo(code)
-        // Rebuild menu to update checkmarks
-        setupMenuBar()
     }
 }
 
@@ -337,20 +781,31 @@
 // MARK: - Preferences View
 
 struct PreferencesView: View {
+    private let settingsWindowWidth: CGFloat = 880
+    private let settingsContentWidth: CGFloat = 820
+    private let generalContentWidth: CGFloat = 720
+    private let generalLabelWidth: CGFloat = 190
+    private let generalControlWidth: CGFloat = 500
+    private let compactPickerWidth: CGFloat = 320
+
     @AppStorage("tagFontSize") private var tagFontSize: Double = 18
     @AppStorage("iconSize") private var iconSize: Double = 56
     @AppStorage("tagPosition") private var tagPosition = "left"
     @AppStorage("defaultGroupName") private var defaultGroupName = "Other"
     @AppStorage("displayMode") private var displayMode = "flat"
     @AppStorage("hideAppNames") private var hideAppNames = false
-
+    @AppStorage("showDockIcon") private var showDockIcon = false
+    @AppStorage("launchAtLogin") private var launchAtLogin = true
+    @AppStorage("showUncommonAppBubbles") private var showUncommonAppBubbles = true
+    @State private var selectedLanguage = L10n.currentCode
+    @State private var isRefreshingLanguage = false
     @State private var allApps: [AppInfo] = []
     @State private var tagColors: [String: Int] = [:]
 
     private func scanApps() {
         DispatchQueue.global(qos: .userInitiated).async {
             var apps = AppIndexer.scan()
-            let store = TagDatabase.migrateFromFinderIfNeeded(apps: apps)
+            let store = TagDatabase.load()
             apps = TagEditor.annotate(apps: apps)
             let colors = store.tags.mapValues { $0.color }
             DispatchQueue.main.async {
@@ -362,22 +817,23 @@
 
     private func exportTags() {
         let panel = NSSavePanel()
-        panel.title = "Export Tags"
-        panel.nameFieldStringValue = "Apptag-tags.json"
+        panel.title = tr("settings.export")
+        panel.nameFieldStringValue = "TagLauncher-tags.json"
         panel.allowedContentTypes = [.json]
         panel.begin { response in
             guard response == .OK, let url = panel.url else { return }
             do {
                 try TagDatabase.exportTo(url)
             } catch {
-                fputs("[Apptag] Export failed: \(error)\n", stderr)
+                fputs("[TagLauncher] Export failed: \(error)\n", stderr)
+                showDataAlert(title: tr("settings.exportFailed"), message: error.localizedDescription)
             }
         }
     }
 
     private func importTags() {
         let panel = NSOpenPanel()
-        panel.title = "Import Tags"
+        panel.title = tr("settings.import")
         panel.allowedContentTypes = [.json]
         panel.allowsMultipleSelection = false
         panel.begin { response in
@@ -386,15 +842,18 @@
                 _ = try TagDatabase.importFrom(url)
                 scanApps()
             } catch {
-                fputs("[Apptag] Import failed: \(error)\n", stderr)
-                // Show alert on failure
-                let alert = NSAlert()
-                alert.messageText = "Import Failed"
-                alert.informativeText = error.localizedDescription
-                alert.alertStyle = .warning
-                alert.runModal()
+                fputs("[TagLauncher] Import failed: \(error)\n", stderr)
+                showDataAlert(title: tr("settings.importFailed"), message: error.localizedDescription)
             }
         }
+    }
+
+    private func showDataAlert(title: String, message: String) {
+        let alert = NSAlert()
+        alert.messageText = title
+        alert.informativeText = message
+        alert.alertStyle = .warning
+        alert.runModal()
     }
 
     private var appVersion: String {
@@ -403,78 +862,196 @@
     private var buildVersion: String {
         Bundle.main.infoDictionary?["CFBundleVersion"] as? String ?? "?"
     }
+    private var languageColumns: [GridItem] {
+        [
+            GridItem(.flexible(minimum: 220), spacing: 18, alignment: .top),
+            GridItem(.flexible(minimum: 220), spacing: 18, alignment: .top),
+        ]
+    }
+    private var displayModeColumns: [GridItem] {
+        [
+            GridItem(.flexible(minimum: 220), spacing: 10, alignment: .top),
+            GridItem(.flexible(minimum: 220), spacing: 10, alignment: .top),
+        ]
+    }
+    private var displayModeOptions: [(id: String, title: String)] {
+        [
+            ("flat", tr("settings.flat")),
+            ("container", tr("settings.container")),
+            ("coloredContainer", tr("settings.coloredContainer")),
+            ("gridContainer", tr("settings.gridContainer")),
+            ("coloredGridContainer", tr("settings.coloredGridContainer")),
+        ]
+    }
+    private var containerDisplayModeOptions: [(id: String, title: String)] {
+        Array(displayModeOptions.dropFirst())
+    }
+
+    private func generalSettingRow<Control: View>(
+        _ label: String,
+        description: String,
+        @ViewBuilder control: () -> Control
+    ) -> some View {
+        HStack(alignment: .top, spacing: 16) {
+            Text(label)
+                .font(.system(size: 14, weight: .semibold))
+                .multilineTextAlignment(.trailing)
+                .lineLimit(2)
+                .minimumScaleFactor(0.86)
+                .frame(width: generalLabelWidth, alignment: .trailing)
+                .padding(.top, 5)
+
+            VStack(alignment: .leading, spacing: 6) {
+                control()
+                    .frame(width: generalControlWidth, alignment: .leading)
+                Text(description)
+                    .font(.caption)
+                    .foregroundStyle(.secondary)
+                    .multilineTextAlignment(.leading)
+                    .fixedSize(horizontal: false, vertical: true)
+                    .frame(width: generalControlWidth, alignment: .leading)
+            }
+        }
+        .frame(width: generalContentWidth, alignment: .leading)
+    }
 
     var body: some View {
-        TabView {
-            // Tab 1: General
-            Form {
-                Section {
-                    LabeledContent("App list style:") {
-                        Picker("", selection: $displayMode) {
-                            Text("Flat").tag("flat")
-                            Text("Container").tag("container")
-                        }
-                        .pickerStyle(.segmented)
-                        .frame(width: 210)
-                    }
-                    Text("\"Flat\" shows apps directly. \"Container\" wraps each tag group in a rounded box.")
+        ZStack {
+            TabView {
+                // Tab 1: Language
+                VStack(alignment: .leading, spacing: 10) {
+                    Text(tr("settings.language"))
+                        .font(.headline)
+                    Text(tr("settings.languageDesc"))
                         .font(.caption)
                         .foregroundStyle(.secondary)
-                }
 
-                Section {
-                    LabeledContent("Tag position:") {
+                    ScrollView {
+                        LazyVGrid(columns: languageColumns, alignment: .leading, spacing: 6) {
+                            ForEach(L10n.supported, id: \.code) { language in
+                                Button {
+                                    selectedLanguage = language.code
+                                } label: {
+                                    HStack(spacing: 8) {
+                                        Image(systemName: selectedLanguage == language.code ? "checkmark" : "circle")
+                                            .font(.system(size: 12, weight: .semibold))
+                                            .foregroundStyle(selectedLanguage == language.code ? Color.accentColor : Color.secondary.opacity(0.28))
+                                            .frame(width: 16)
+                                        Text(language.name)
+                                            .foregroundStyle(.primary)
+                                            .lineLimit(1)
+                                            .truncationMode(.tail)
+                                        Spacer(minLength: 0)
+                                    }
+                                    .padding(.horizontal, 8)
+                                    .padding(.vertical, 5)
+                                    .contentShape(Rectangle())
+                                }
+                                .buttonStyle(.plain)
+                                .accessibilityLabel("\(tr("settings.languagePicker")) \(language.name)")
+                            }
+                        }
+                        .padding(.vertical, 4)
+                    }
+                    .frame(maxHeight: 250)
+
+                    Spacer(minLength: 0)
+                    ShortcutHintView()
+                        .frame(maxWidth: .infinity, alignment: .center)
+                        .padding(.bottom, 2)
+                }
+                .frame(maxWidth: settingsContentWidth, alignment: .leading)
+                .tabItem { Label(tr("settings.language"), systemImage: "globe") }
+                .padding()
+
+                // Tab 2: General
+            VStack(alignment: .leading, spacing: 0) {
+                // Toggle row — centered as a rectangular block
+                HStack(spacing: 20) {
+                    if AppDelegate.supportsLaunchAtLogin {
+                        Toggle(tr("settings.launchAtLogin"), isOn: $launchAtLogin)
+                            .onChange(of: launchAtLogin) { _, enabled in
+                                if enabled {
+                                    AppDelegate.enableLaunchAtLogin()
+                                } else {
+                                    AppDelegate.disableLaunchAtLogin()
+                                }
+                            }
+                    }
+                    Toggle(tr("settings.showInDock"), isOn: $showDockIcon)
+                        .onChange(of: showDockIcon) { _, _ in
+                            AppDelegate.refreshChromeSettings()
+                        }
+                    Toggle(tr("settings.hideAppNames"), isOn: $hideAppNames)
+                }
+                .frame(maxWidth: .infinity, alignment: .center)
+                .padding(.bottom, 16)
+
+                Divider()
+                    .padding(.bottom, 16)
+
+                VStack(spacing: 18) {
+                    generalSettingRow(tr("settings.appListStyle"), description: tr("settings.flatDesc")) {
+                        VStack(spacing: 8) {
+                            DisplayModeOptionButton(
+                                mode: "flat",
+                                title: tr("settings.flat"),
+                                isSelected: displayMode == "flat"
+                            ) {
+                                displayMode = "flat"
+                            }
+
+                            LazyVGrid(columns: displayModeColumns, alignment: .leading, spacing: 8) {
+                                ForEach(containerDisplayModeOptions, id: \.id) { option in
+                                    DisplayModeOptionButton(
+                                        mode: option.id,
+                                        title: option.title,
+                                        isSelected: displayMode == option.id
+                                    ) {
+                                        displayMode = option.id
+                                    }
+                                }
+                            }
+                        }
+                        .frame(width: generalControlWidth, alignment: .leading)
+                    }
+
+                    generalSettingRow(tr("settings.tagPosition"), description: tr("settings.tagPosDesc")) {
                         Picker("", selection: $tagPosition) {
-                            Text("Left").tag("left")
-                            Text("Right").tag("right")
-                            Text("Top").tag("top")
+                            Text(tr("settings.left")).tag("left")
+                            Text(tr("settings.right")).tag("right")
+                            Text(tr("settings.top")).tag("top")
                         }
                         .pickerStyle(.segmented)
-                        .frame(width: 210)
+                        .frame(width: compactPickerWidth, alignment: .leading)
                     }
-                    Text("Where the tag navigation bar appears. Left/Right puts tags in a sidebar.")
-                        .font(.caption)
-                        .foregroundStyle(.secondary)
-                }
 
-                Section {
-                    LabeledContent("Tag font size:") {
+                    generalSettingRow(tr("settings.tagFontSize"), description: tr("settings.tagFontDesc")) {
                         Picker("", selection: $tagFontSize) {
                             ForEach([16.0, 18.0, 20.0, 22.0, 24.0, 26.0], id: \.self) { size in
                                 Text("\(Int(size))").tag(size)
                             }
                         }
                         .pickerStyle(.segmented)
-                        .frame(width: 280)
+                        .frame(width: compactPickerWidth, alignment: .leading)
                     }
-                    Text("Adjust the size of group-name labels in the overlay.")
-                        .font(.caption)
-                        .foregroundStyle(.secondary)
-                }
 
-                Section {
-                    LabeledContent("Icon size:") {
+                    generalSettingRow(tr("settings.iconSize"), description: tr("settings.iconSizeDesc")) {
                         Picker("", selection: $iconSize) {
                             ForEach([40.0, 48.0, 56.0, 64.0, 72.0, 80.0], id: \.self) { size in
                                 Text("\(Int(size))").tag(size)
                             }
                         }
                         .pickerStyle(.segmented)
-                        .frame(width: 280)
+                        .frame(width: compactPickerWidth, alignment: .leading)
                     }
-                    Text("Icon display size. Grid columns adjust automatically.")
-                        .font(.caption)
-                        .foregroundStyle(.secondary)
-                }
-
-                Section {
-                    Toggle("Hide app names", isOn: $hideAppNames)
                 }
             }
-            .tabItem { Label("General", systemImage: "gearshape") }
+            .frame(maxWidth: generalContentWidth, alignment: .center)
             .padding()
+            .tabItem { Label(tr("settings.general"), systemImage: "gearshape") }
 
-            // Tab 2: Tags
+            // Tab 3: Tags
             VStack(spacing: 0) {
                 TagEditorView(
                     tagColors: $tagColors,
@@ -482,69 +1059,272 @@
                     onRefresh: { scanApps() }
                 )
             }
-            .tabItem { Label("Tags", systemImage: "tag.fill") }
+            .padding(.leading, 16)
+            .tabItem { Label(tr("settings.tags"), systemImage: "tag.fill") }
             .onAppear { scanApps() }
 
-            // Tab 3: Data
-            Form {
-                Section {
-                    HStack {
-                        Button("Re-index Now") {
-                            NotificationCenter.default.post(name: .apptagReindex, object: nil)
-                        }
-                        .buttonStyle(.borderedProminent)
+            // Tab 4: Data
+            VStack(spacing: 0) {
+                Spacer(minLength: 54)
 
-                        Text("Re-scan all app directories and refresh the tag database.")
+                VStack(alignment: .leading, spacing: 5) {
+                    Toggle(tr("settings.uncommonBubble"), isOn: $showUncommonAppBubbles)
+                        .font(.system(size: 13, weight: .medium))
+                    Text(tr("settings.uncommonBubbleDesc"))
+                        .font(.caption)
+                        .foregroundStyle(.secondary)
+                        .fixedSize(horizontal: false, vertical: true)
+                }
+                .frame(width: 420, alignment: .leading)
+
+                Spacer(minLength: 28)
+
+                VStack(alignment: .leading, spacing: 8) {
+                    Text(tr("settings.backup"))
+                        .font(.headline)
+                    HStack(spacing: 12) {
+                        Button(tr("settings.export")) { exportTags() }
+                            .buttonStyle(.bordered)
+                        Button(tr("settings.import")) { importTags() }
+                            .buttonStyle(.bordered)
+                    }
+                    Text(tr("settings.backupDesc"))
+                        .font(.caption)
+                        .foregroundStyle(.secondary)
+                }
+                .frame(width: 420, alignment: .leading)
+
+                Spacer(minLength: 42)
+                ShortcutHintView()
+                    .frame(maxWidth: .infinity, alignment: .center)
+                Spacer(minLength: 18)
+            }
+            .tabItem { Label(tr("settings.data"), systemImage: "externaldrive.fill") }
+            .padding()
+
+            // Tab 5: About
+            VStack(spacing: 0) {
+                Spacer(minLength: 72)
+
+                HStack {
+                    if let icon = NSImage(named: NSImage.applicationIconName) {
+                        Image(nsImage: icon)
+                            .resizable()
+                            .frame(width: 128, height: 128)
+                    }
+                    VStack(alignment: .leading, spacing: 4) {
+                        Text("TagLauncher")
+                            .font(.title2)
+                            .fontWeight(.semibold)
+                        Text(tr("app.description"))
+                            .font(.body)
+                            .foregroundStyle(.secondary)
+                        Text("\(tr("app.version")) \(appVersion) (\(tr("app.build")) \(buildVersion))")
+                            .font(.callout)
+                            .foregroundStyle(.tertiary)
+
+                        Divider()
+                            .padding(.vertical, 4)
+
+                        Text("万物之中,希望最美")
+                            .font(.caption)
+                            .foregroundStyle(.secondary)
+                        Text("永桔@2026-18602102518")
                             .font(.caption)
                             .foregroundStyle(.secondary)
                     }
-                } header: {
-                    Text("Index Management")
                 }
+                .frame(width: 560, alignment: .leading)
 
-                Section {
-                    HStack(spacing: 12) {
-                        Button("Export Tags…") { exportTags() }
-                            .buttonStyle(.bordered)
-                        Button("Import Tags…") { importTags() }
-                            .buttonStyle(.bordered)
-                    }
-                    Text("Export saves your tag assignments to a JSON file. Import replaces the current database with one from a file.")
-                        .font(.caption)
+                Spacer(minLength: 30)
+                ShortcutHintView()
+                    .frame(maxWidth: .infinity, alignment: .center)
+                Spacer(minLength: 18)
+            }
+            .tabItem { Label(tr("settings.about"), systemImage: "info.circle") }
+            .padding()
+            }
+            .onChange(of: selectedLanguage) { _, code in
+                L10n.switchTo(code)
+            }
+            .onReceive(NotificationCenter.default.publisher(for: .appLanguageDidChange)) { notification in
+                if let code = notification.userInfo?["code"] as? String {
+                    selectedLanguage = code
+                }
+                showLanguageRefresh()
+            }
+
+            if isRefreshingLanguage {
+                ZStack {
+                    Color(nsColor: .windowBackgroundColor)
+                        .opacity(0.84)
+                    Image(systemName: "arrow.clockwise")
+                        .font(.system(size: 30, weight: .regular))
+                        .symbolRenderingMode(.hierarchical)
                         .foregroundStyle(.secondary)
-                } header: {
-                    Text("Backup & Restore")
                 }
+                .transition(.opacity)
             }
-            .tabItem { Label("Data", systemImage: "externaldrive.fill") }
-            .padding()
-
-            // Tab 3: About
-            Form {
-                Section {
-                    HStack {
-                        if let icon = NSImage(named: NSImage.applicationIconName) {
-                            Image(nsImage: icon)
-                                .resizable()
-                                .frame(width: 64, height: 64)
-                        }
-                        VStack(alignment: .leading, spacing: 4) {
-                            Text("Apptag")
-                                .font(.title2)
-                                .fontWeight(.semibold)
-                            Text("Tag-based app launcher")
-                                .font(.body)
-                                .foregroundStyle(.secondary)
-                            Text("Version \(appVersion) (Build \(buildVersion))")
-                                .font(.callout)
-                                .foregroundStyle(.tertiary)
-                        }
-                    }
-                }
-            }
-            .tabItem { Label("About", systemImage: "info.circle") }
-            .padding()
         }
-        .frame(minWidth: 660, idealWidth: 660, minHeight: 380, idealHeight: 380)
+        .frame(width: settingsWindowWidth, height: 460)
+    }
+
+    private func showLanguageRefresh() {
+        isRefreshingLanguage = true
+        DispatchQueue.main.asyncAfter(deadline: .now() + 0.35) {
+            withAnimation(.easeOut(duration: 0.18)) {
+                isRefreshingLanguage = false
+            }
+        }
+    }
+}
+
+private struct DisplayModeOptionButton: View {
+    let mode: String
+    let title: String
+    let isSelected: Bool
+    let action: () -> Void
+
+    var body: some View {
+        Button(action: action) {
+            HStack(spacing: 7) {
+                DisplayModeGlyph(mode: mode, isSelected: isSelected)
+                    .frame(width: 24, height: 18)
+                Text(title)
+                    .font(.system(size: 13, weight: .semibold))
+                    .multilineTextAlignment(.center)
+                    .lineLimit(2)
+                    .minimumScaleFactor(0.82)
+                    .foregroundStyle(isSelected ? Color.white : Color.primary)
+                    .frame(maxWidth: .infinity)
+            }
+            .frame(maxWidth: .infinity, minHeight: 34)
+            .padding(.horizontal, 9)
+            .padding(.vertical, 2)
+            .background(
+                RoundedRectangle(cornerRadius: 7, style: .continuous)
+                    .fill(isSelected ? Color.accentColor : Color(nsColor: .controlBackgroundColor))
+            )
+            .overlay(
+                RoundedRectangle(cornerRadius: 7, style: .continuous)
+                    .stroke(isSelected ? Color.accentColor : Color.secondary.opacity(0.18), lineWidth: 1)
+            )
+            .contentShape(RoundedRectangle(cornerRadius: 7, style: .continuous))
+        }
+        .buttonStyle(.plain)
+        .accessibilityLabel(title)
+    }
+}
+
+private struct DisplayModeGlyph: View {
+    let mode: String
+    let isSelected: Bool
+
+    var body: some View {
+        switch mode {
+        case "flat":
+            HStack(spacing: 2) {
+                cell(index: 0, width: 5, height: 5, colored: false)
+                cell(index: 1, width: 5, height: 5, colored: false)
+                cell(index: 2, width: 5, height: 5, colored: false)
+            }
+        case "gridContainer", "coloredGridContainer":
+            let colored = mode == "coloredGridContainer"
+            VStack(spacing: 2) {
+                HStack(spacing: 2) {
+                    cell(index: 0, width: 7, height: 6, colored: colored)
+                    cell(index: 1, width: 7, height: 6, colored: colored)
+                }
+                HStack(spacing: 2) {
+                    cell(index: 2, width: 7, height: 6, colored: colored)
+                    cell(index: 3, width: 7, height: 6, colored: colored)
+                }
+            }
+        default:
+            let colored = mode == "coloredContainer"
+            HStack(alignment: .bottom, spacing: 2) {
+                cell(index: 0, width: 5, height: 8, colored: colored)
+                cell(index: 1, width: 5, height: 14, colored: colored)
+                cell(index: 2, width: 5, height: 10, colored: colored)
+            }
+        }
+    }
+
+    private func cell(index: Int, width: CGFloat, height: CGFloat, colored: Bool) -> some View {
+        let fill = fillColor(index: index, colored: colored)
+        let stroke = isSelected ? Color.white.opacity(0.95) : Color.secondary.opacity(0.35)
+        return RoundedRectangle(cornerRadius: 1.8, style: .continuous)
+            .fill(fill)
+            .overlay(
+                RoundedRectangle(cornerRadius: 1.8, style: .continuous)
+                    .stroke(stroke, lineWidth: 0.8)
+            )
+            .frame(width: width, height: height)
+    }
+
+    private func fillColor(index: Int, colored: Bool) -> Color {
+        if isSelected {
+            return Color.white.opacity(colored ? 0.9 : 0.18)
+        }
+        guard colored else {
+            return Color.secondary.opacity(0.12)
+        }
+        let palette: [Color] = [.green, .purple, .blue, .orange]
+        return palette[index % palette.count].opacity(0.78)
+    }
+}
+
+private struct ShortcutHintView: View {
+    var body: some View {
+        HStack(spacing: 12) {
+            ShortcutKeycap(symbol: "⌥")
+            Text("+")
+                .font(.system(size: 22, weight: .semibold))
+                .foregroundStyle(.tertiary)
+            ShortcutKeycap(symbol: "⇧")
+            Text("+")
+                .font(.system(size: 22, weight: .semibold))
+                .foregroundStyle(.tertiary)
+            SpacebarKeycap()
+        }
+        .accessibilityLabel("⌥ ⇧ Space")
+        .allowsHitTesting(false)
+    }
+}
+
+private struct ShortcutKeycap: View {
+    let symbol: String
+
+    var body: some View {
+        Text(symbol)
+            .font(.system(size: 36, weight: .medium))
+            .foregroundStyle(.secondary)
+            .frame(width: 74, height: 58)
+            .background(KeycapBackground())
+    }
+}
+
+private struct SpacebarKeycap: View {
+    var body: some View {
+        ZStack {
+            KeycapBackground()
+            Capsule()
+                .fill(Color.secondary.opacity(0.38))
+                .frame(width: 72, height: 3)
+                .offset(y: 13)
+        }
+        .frame(width: 190, height: 58)
+    }
+}
+
+private struct KeycapBackground: View {
+    var body: some View {
+        RoundedRectangle(cornerRadius: 10, style: .continuous)
+            .fill(Color(nsColor: .controlBackgroundColor))
+            .overlay(
+                RoundedRectangle(cornerRadius: 10, style: .continuous)
+                    .stroke(Color.primary.opacity(0.12), lineWidth: 1)
+            )
+            .shadow(color: .black.opacity(0.10), radius: 8, x: 0, y: 3)
     }
 }

--
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