Release TagLauncher 5.7.8 build 583

Ariver

2026-05-16 26e2f4de52c4aef06d1b834fc101d7dfac3b810c

 Apptag/ApptagApp.swift

@@ -13,6 +13,10 @@
            PreferencesView()
        }
        .defaultSize(width: 880, height: 460)
        .commands {
            CommandGroup(replacing: .systemServices) { }
            CommandGroup(replacing: .appVisibility) { }
        }
    }
}

@@ -24,29 +28,37 @@
}

final class AppDelegate: NSObject, NSApplicationDelegate {
    private static let showMenuBarIconKey = "showMenuBarIcon"
    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()
        setupDefaultPreferences()
        migrateDefaultGroupName()
        TagDatabase.seedDefaultTags()
        let showDock = UserDefaults.standard.bool(forKey: "showDockIcon")
        NSApp.setActivationPolicy(showDock ? .regular : .accessory)
        setupMenuBar()
        syncChromeSettings(force: true)
        registerHotkey()
        observeOtherWindows()
        observeSettingsClose()
        observeEditMode()
        observeApplicationMenuChanges()
        observeChromeSettings()
        observeLanguageChanges()
        setupLaunchAtLogin()
        configureApplicationMenuWhenAvailable()
    }

    /// Dock icon click → show overlay (same as menubar "Show TagLauncher")
@@ -73,21 +85,27 @@
        // User has set a custom name — keep it
    }

    private func setupDefaultPreferences() {
        if UserDefaults.standard.object(forKey: Self.showMenuBarIconKey) == nil {
            UserDefaults.standard.set(true, forKey: Self.showMenuBarIconKey)
        }
    }

    /// Observe Dock/menu-bar visibility changes so they take effect immediately.
    /// 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
            let show = UserDefaults.standard.bool(forKey: "showDockIcon")
            NSApp.setActivationPolicy(show ? .regular : .accessory)
            self?.setupMenuBar()
            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()
        }
    }

@@ -98,6 +116,7 @@
            object: nil, queue: .main
        ) { [weak self] _ in
            self?.setupMenuBar()
            self?.configureApplicationMenuWhenAvailable()
        }
    }

@@ -160,35 +179,28 @@
    // MARK: - Menu Bar

    private func setupMenuBar() {
        guard UserDefaults.standard.object(forKey: Self.showMenuBarIconKey) as? Bool ?? true else {
            removeMenuBarItem()
            return
        }

        if statusItem == nil {
            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 {
            let image = makeMenuBarIcon()
            button.image = image
            button.image = makeMenuBarIcon()
            button.imageScaling = .scaleProportionallyDown
            button.imagePosition = .imageOnly
            button.title = image == nil ? "T" : ""
            button.toolTip = "TagLauncher — Tag-based app launcher"
            button.action = #selector(toggleOverlay)
            button.target = self
        }

        let menu = NSMenu()
        menu.addItem(
            NSMenuItem(
                title: "\(tr("menu.show"))  ⇧⌥Space",
                action: #selector(toggleOverlay),
                keyEquivalent: ""
            )
        let showItem = NSMenuItem(
            title: showAppListMenuTitle,
            action: #selector(toggleOverlay),
            keyEquivalent: ""
        )
        showItem.target = self
        menu.addItem(showItem)
        menu.addItem(.separator())

        // Version display
@@ -236,31 +248,166 @@
        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
    }

    private func makeMenuBarIcon() -> NSImage? {
        let size = NSSize(width: 18, height: 18)
        let image = NSImage(size: size)
        image.lockFocus()
        NSColor.black.setFill()
        let tagPath = NSBezierPath()
        tagPath.move(to: NSPoint(x: 2.5, y: 10.5))
        tagPath.line(to: NSPoint(x: 8.5, y: 16.5))
        tagPath.line(to: NSPoint(x: 15.5, y: 16.5))
        tagPath.line(to: NSPoint(x: 15.5, y: 9.5))
        tagPath.line(to: NSPoint(x: 8.5, y: 2.5))
        tagPath.close()
        tagPath.appendOval(in: NSRect(x: 10.6, y: 12.2, width: 2.6, height: 2.6))
        tagPath.windingRule = .evenOdd
        tagPath.fill()
        image.unlockFocus()
        image.isTemplate = true
        image.accessibilityDescription = "TagLauncher"
        return image
    }

    // MARK: - Overlay Window
@@ -285,17 +432,28 @@
        overlayWindow?.setFrame(screen.frame, display: true)
        overlayWindow?.level = NSWindow.Level(rawValue: Int(CGWindowLevelForKey(.maximumWindow)))

        // Local key monitor: catch Escape while overlay is up
        NSEvent.addLocalMonitorForEvents(matching: .keyDown) { [weak self] event in
        installOverlayKeyMonitor()

        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)
        overlayWindow?.orderFrontRegardless()
    private func removeOverlayKeyMonitor() {
        if let monitor = overlayKeyMonitor {
            NSEvent.removeMonitor(monitor)
            overlayKeyMonitor = nil
        }
    }

    private func makeOverlayWindow(on screen: NSScreen) -> NSWindow {
@@ -333,7 +491,11 @@

    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
        }
@@ -419,8 +581,8 @@

    /// Settings must always appear centered over the current overlay view and float above it.
    private func prepareSettingsWindow(_ window: NSWindow) {
        window.identifier = NSUserInterfaceItemIdentifier("TagLauncherPreferencesWindow")
        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 {
@@ -432,15 +594,18 @@

        if let overlayWindow, overlayWindow.isVisible {
            center(window, over: overlayWindow.frame)
            window.level = NSWindow.Level(rawValue: overlayWindow.level.rawValue + 1)
            attachSettingsWindow(window, to: overlayWindow)
            window.level = overlayWindow.level
        } else if let screen = screenUnderMouse() {
            center(window, over: screen.visibleFrame)
            window.level = .floating
            detachSettingsWindow(window)
        }

        window.collectionBehavior.formUnion([.canJoinAllSpaces, .fullScreenAuxiliary, .moveToActiveSpace])
        var behavior = window.collectionBehavior
        behavior.remove(.canJoinAllSpaces)
        behavior.formUnion([.fullScreenAuxiliary, .moveToActiveSpace])
        window.collectionBehavior = behavior
        window.makeKeyAndOrderFront(nil)
        window.orderFrontRegardless()
        settingsWindow = window
@@ -618,8 +783,9 @@
struct PreferencesView: View {
    private let settingsWindowWidth: CGFloat = 880
    private let settingsContentWidth: CGFloat = 820
    private let settingsLabelWidth: CGFloat = 160
    private let widePickerWidth: CGFloat = 650
    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
@@ -628,7 +794,6 @@
    @AppStorage("defaultGroupName") private var defaultGroupName = "Other"
    @AppStorage("displayMode") private var displayMode = "flat"
    @AppStorage("hideAppNames") private var hideAppNames = false
    @AppStorage("showMenuBarIcon") private var showMenuBarIcon = true
    @AppStorage("showDockIcon") private var showDockIcon = false
    @AppStorage("launchAtLogin") private var launchAtLogin = true
    @State private var selectedLanguage = L10n.currentCode
@@ -702,6 +867,52 @@
            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 {
        ZStack {
@@ -741,6 +952,12 @@
                        }
                        .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") }
@@ -760,8 +977,10 @@
                                }
                            }
                    }
                    Toggle(tr("settings.showMenuBarIcon"), isOn: $showMenuBarIcon)
                    Toggle(tr("settings.showInDock"), isOn: $showDockIcon)
                        .onChange(of: showDockIcon) { _, _ in
                            AppDelegate.refreshChromeSettings()
                        }
                    Toggle(tr("settings.hideAppNames"), isOn: $hideAppNames)
                }
                .frame(maxWidth: .infinity, alignment: .center)
@@ -770,78 +989,64 @@
                Divider()
                    .padding(.bottom, 16)

                // Two-column layout: each row label (right-aligned) + controls (left-aligned)
                // All pickers and descriptions share the same left edge
                VStack(spacing: 16) {
                    HStack(alignment: .top, spacing: 16) {
                        Text(tr("settings.appListStyle"))
                            .frame(width: settingsLabelWidth, alignment: .trailing)
                        VStack(alignment: .leading, spacing: 4) {
                            Picker("", selection: $displayMode) {
                                Text(tr("settings.flat")).tag("flat")
                                Text(tr("settings.container")).tag("container")
                                Text(tr("settings.coloredContainer")).tag("coloredContainer")
                                Text(tr("settings.gridContainer")).tag("gridContainer")
                                Text(tr("settings.coloredGridContainer")).tag("coloredGridContainer")
                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"
                            }
                            .pickerStyle(.segmented)
                            .frame(width: widePickerWidth, alignment: .leading)
                            Text(tr("settings.flatDesc"))
                                .font(.caption).foregroundStyle(.secondary)
                                .fixedSize(horizontal: false, vertical: true)
                        }
                    }
                    HStack(alignment: .top, spacing: 16) {
                        Text(tr("settings.tagPosition"))
                            .frame(width: settingsLabelWidth, alignment: .trailing)
                        VStack(alignment: .leading, spacing: 4) {
                            Picker("", selection: $tagPosition) {
                                Text(tr("settings.left")).tag("left")
                                Text(tr("settings.right")).tag("right")
                                Text(tr("settings.top")).tag("top")
                            }
                            .pickerStyle(.segmented)
                            .frame(width: compactPickerWidth, alignment: .leading)
                            Text(tr("settings.tagPosDesc"))
                                .font(.caption).foregroundStyle(.secondary)
                                .fixedSize(horizontal: false, vertical: true)
                        }
                    }
                    HStack(alignment: .top, spacing: 16) {
                        Text(tr("settings.tagFontSize"))
                            .frame(width: settingsLabelWidth, alignment: .trailing)
                        VStack(alignment: .leading, spacing: 4) {
                            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)

                            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
                                    }
                                }
                            }
                            .pickerStyle(.segmented)
                            .frame(width: compactPickerWidth, alignment: .leading)
                            Text(tr("settings.tagFontDesc"))
                                .font(.caption).foregroundStyle(.secondary)
                                .fixedSize(horizontal: false, vertical: true)
                        }
                        .frame(width: generalControlWidth, alignment: .leading)
                    }
                    HStack(alignment: .top, spacing: 16) {
                        Text(tr("settings.iconSize"))
                            .frame(width: settingsLabelWidth, alignment: .trailing)
                        VStack(alignment: .leading, spacing: 4) {
                            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: compactPickerWidth, alignment: .leading)
                            Text(tr("settings.iconSizeDesc"))
                                .font(.caption).foregroundStyle(.secondary)
                                .fixedSize(horizontal: false, vertical: true)

                    generalSettingRow(tr("settings.tagPosition"), description: tr("settings.tagPosDesc")) {
                        Picker("", selection: $tagPosition) {
                            Text(tr("settings.left")).tag("left")
                            Text(tr("settings.right")).tag("right")
                            Text(tr("settings.top")).tag("top")
                        }
                        .pickerStyle(.segmented)
                        .frame(width: compactPickerWidth, alignment: .leading)
                    }

                    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: compactPickerWidth, alignment: .leading)
                    }

                    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: compactPickerWidth, alignment: .leading)
                    }
                }
            }
            .frame(maxWidth: settingsContentWidth, alignment: .center)
            .frame(maxWidth: generalContentWidth, alignment: .center)
            .padding()
            .tabItem { Label(tr("settings.general"), systemImage: "gearshape") }

@@ -858,8 +1063,12 @@
            .onAppear { scanApps() }

            // Tab 4: Data
            Form {
                Section {
            VStack(spacing: 0) {
                Spacer(minLength: 96)

                VStack(alignment: .leading, spacing: 8) {
                    Text(tr("settings.backup"))
                        .font(.headline)
                    HStack(spacing: 12) {
                        Button(tr("settings.export")) { exportTags() }
                            .buttonStyle(.bordered)
@@ -869,46 +1078,55 @@
                    Text(tr("settings.backupDesc"))
                        .font(.caption)
                        .foregroundStyle(.secondary)
                } header: {
                    Text(tr("settings.backup"))
                }
                .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
            Form {
                Section {
                    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)
            VStack(spacing: 0) {
                Spacer(minLength: 72)

                            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)
                        }
                HStack {
                    if let icon = NSImage(named: NSImage.applicationIconName) {
                        Image(nsImage: icon)
                            .resizable()
                            .frame(width: 128, height: 128)
                    }
                    .padding(.leading, 100)
                    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)
                    }
                }
                .frame(width: 560, alignment: .leading)

                Spacer(minLength: 30)
                ShortcutHintView()
                    .frame(maxWidth: .infinity, alignment: .center)
                Spacer(minLength: 18)
            }
            .tabItem { Label(tr("settings.about"), systemImage: "info.circle") }
            .padding()
@@ -947,3 +1165,153 @@
        }
    }
}

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)
    }
}