chore: mark stable baseline as 7.6.0

Ariver

2026-05-20 ec6e0da8224a54dd7273adc2a797f149fd9795c8

 Apptag/ApptagApp.swift

@@ -12,7 +12,11 @@
        Settings {
            PreferencesView()
        }
        .defaultSize(width: 880, height: 420)
        .defaultSize(width: 880, height: 460)
        .commands {
            CommandGroup(replacing: .systemServices) { }
            CommandGroup(replacing: .appVisibility) { }
        }
    }
}

@@ -24,32 +28,67 @@
}

final class AppDelegate: NSObject, NSApplicationDelegate {
    private var statusItem: NSStatusItem!
    private static let showDockIconKey = "showDockIcon"
    private static let statusItemAutosaveName = "com.apptag.launcher.statusItem"
    private static let statusItemButtonIdentifier = NSUserInterfaceItemIdentifier("TagLauncherStatusItemButton")
    private static let statusItemAccessibilityLabel = "TagLauncher"
    private static let showAppListMenuItemIdentifier = NSUserInterfaceItemIdentifier("TagLauncherShowAppListMenuItem")
    private static let overlayDefaultLevel = NSWindow.Level(rawValue: Int(CGWindowLevelForKey(.maximumWindow)))
    private static let overlayTextInputLevel = NSWindow.Level.modalPanel

    private var statusItem: NSStatusItem?
    private var overlayWindow: NSWindow?
    private var overlayKeyMonitor: Any?
    private var quickSearchExternalMouseMonitor: Any?
    private var settingsWindow: NSWindow?    // Track Settings window to keep it above overlay
    private var hotkeyRef: EventHotKeyRef?
    private var mainHotkeyRef: EventHotKeyRef?
    private var quickSearchHotkeyRef: EventHotKeyRef?
    private var hotkeyEventHandlerInstalled = false
    private var isQuickSearchOpen = false
    private var isModalInteractionActive = false
    private var isInEditMode = false  // Suppress auto-dismiss during editing
    private var isEditingAppNote = false
    private var isConfiguringApplicationMenu = false
    private var lastShowDockIcon: Bool?

    static func refreshChromeSettings() {
        (NSApp.delegate as? AppDelegate)?.syncChromeSettings(force: true)
    }

    static func openPreferencesWindow() {
        (NSApp.delegate as? AppDelegate)?.openPreferences()
    }

    func applicationDidFinishLaunching(_ notification: Notification) {
        AppDefaults.register()
        L10n.setup()
        migrateDefaultGroupName()
        TagDatabase.seedDefaultTags()
        let showDock = UserDefaults.standard.bool(forKey: "showDockIcon")
        NSApp.setActivationPolicy(showDock ? .regular : .accessory)
        setupMenuBar()
        registerHotkey()
        syncChromeSettings(force: true)
        observeHotkeyStatusChanges()
        registerConfiguredHotkeys()
        observeOtherWindows()
        observeSettingsClose()
        observeEditMode()
        observeDockSetting()
        observeAppNoteEditing()
        observeQuickSearch()
        observePreferencesRequests()
        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
    }

    func applicationWillTerminate(_ notification: Notification) {
        TagDatabase.flushPendingCategorySchemeBackupBatch()
        removeQuickSearchExternalMouseMonitor()
    }

    /// Ensure defaultGroupName is always the language-neutral key "Other".
@@ -70,14 +109,27 @@
        // User has set a custom name — keep it
    }

    /// Observe Show in Dock changes so it takes effect immediately.
    private func observeDockSetting() {
    /// Observe Dock visibility changes so they take effect immediately.
    private func observeChromeSettings() {
        NotificationCenter.default.addObserver(
            forName: UserDefaults.didChangeNotification,
            object: nil, queue: .main
        ) { _ in
            let show = UserDefaults.standard.bool(forKey: "showDockIcon")
            NSApp.setActivationPolicy(show ? .regular : .accessory)
        ) { [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()
        }
    }

@@ -88,6 +140,7 @@
            object: nil, queue: .main
        ) { [weak self] _ in
            self?.setupMenuBar()
            self?.configureApplicationMenuWhenAvailable()
        }
    }

@@ -141,8 +194,7 @@
            return
        }
        let key = "launchAtLogin"
        if UserDefaults.standard.object(forKey: key) == nil {
            UserDefaults.standard.set(true, forKey: key)
        if !AppDefaults.hasStoredValue(for: key) && UserDefaults.standard.bool(forKey: key) {
            Self.enableLaunchAtLogin()
        }
    }
@@ -150,30 +202,35 @@
    // MARK: - Menu Bar

    private func setupMenuBar() {
        // Remove old status item if re-creating (language switch, etc.)
        if let existing = statusItem {
            NSStatusBar.system.removeStatusItem(existing)
        if statusItem == nil {
            statusItem = NSStatusBar.system.statusItem(withLength: NSStatusItem.squareLength)
        } else {
            statusItem?.length = NSStatusItem.squareLength
        }
        statusItem = NSStatusBar.system.statusItem(withLength: NSStatusItem.variableLength)
        guard let statusItem else { return }
        statusItem.autosaveName = Self.statusItemAutosaveName
        statusItem.isVisible = true

        if let button = statusItem.button {
            button.image = NSImage(
                systemSymbolName: "tag.fill",
                accessibilityDescription: "TagLauncher"
            )
            button.identifier = Self.statusItemButtonIdentifier
            button.setAccessibilityIdentifier(Self.statusItemAutosaveName)
            button.setAccessibilityLabel(Self.statusItemAccessibilityLabel)
            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"))  ⇧⌥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
@@ -193,6 +250,7 @@
            action: #selector(openPreferences),
            keyEquivalent: ","
        )
        prefsItem.target = self
        prefsItem.keyEquivalentModifierMask = .command
        menu.addItem(prefsItem)
        menu.addItem(.separator())
@@ -221,6 +279,229 @@
        statusItem.menu = menu
    }

    private func makeMenuBarIcon() -> NSImage {
        let menuBarIconSize = NSSize(width: 19, height: 19)
        if let url = Bundle.main.url(forResource: "TagLauncherMenuBarIcon", withExtension: "svg"),
           let image = NSImage(contentsOf: url) {
            image.size = menuBarIconSize
            image.isTemplate = true
            image.accessibilityDescription = "TagLauncher"
            return image
        }

        let image = NSImage(size: menuBarIconSize)
        image.lockFocus()
        defer { image.unlockFocus() }

        NSGraphicsContext.current?.shouldAntialias = true
        NSColor.black.withAlphaComponent(0.88).setStroke()
        NSColor.black.withAlphaComponent(0.88).setFill()

        let scale = image.size.width / 220.0
        func rectFromSVG(x: CGFloat, y: CGFloat, width: CGFloat, height: CGFloat) -> NSRect {
            NSRect(
                x: x * scale,
                y: (220.0 - y - height) * scale,
                width: width * scale,
                height: height * scale
            )
        }

        let outline = NSBezierPath(
            roundedRect: rectFromSVG(x: 15, y: 15, width: 190, height: 190),
            xRadius: 44 * scale,
            yRadius: 44 * scale
        )
        outline.lineWidth = 11 * scale
        outline.stroke()

        for rect in [
            rectFromSVG(x: 49, y: 134, width: 27, height: 27),
            rectFromSVG(x: 92, y: 134, width: 27, height: 27),
            rectFromSVG(x: 49, y: 91, width: 27, height: 27),
            rectFromSVG(x: 92, y: 91, width: 27, height: 27),
            rectFromSVG(x: 49, y: 48, width: 27, height: 27),
            rectFromSVG(x: 92, y: 48, width: 27, height: 27)
        ] {
            NSBezierPath(roundedRect: rect, xRadius: 8 * scale, yRadius: 8 * scale).fill()
        }

        for rect in [
            rectFromSVG(x: 132, y: 133, width: 47, height: 28),
            rectFromSVG(x: 132, y: 90.5, width: 47, height: 28),
            rectFromSVG(x: 132, y: 48, width: 47, height: 28)
        ] {
            NSBezierPath(roundedRect: rect, xRadius: 12 * scale, yRadius: 12 * scale).fill()
        }

        image.isTemplate = true
        image.accessibilityDescription = "TagLauncher"
        return image
    }

    private var showAppListMenuTitle: String {
        if LauncherHotkeyRegistrationStore.state(for: .main) == .failed {
            return tr("menu.showShortcutUnavailable")
        }
        return "\(tr("menu.showAppList"))  \(LauncherHotkey.main.displayString)"
    }

    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)
        configurePreferencesMenuItem(in: 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 configurePreferencesMenuItem(in menu: NSMenu) {
        let item: NSMenuItem
        if let existingItem = menu.items.first(where: { isSettingsMenuItem($0) }) {
            item = existingItem
        } else {
            item = NSMenuItem()
            if let firstSeparatorIndex = menu.items.firstIndex(where: { $0.isSeparatorItem }) {
                menu.insertItem(item, at: firstSeparatorIndex)
            } else {
                menu.addItem(item)
            }
        }

        item.title = tr("menu.preferences")
        item.action = #selector(openPreferences)
        item.target = self
        item.keyEquivalent = ","
        item.keyEquivalentModifierMask = .command
        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() {
@@ -231,32 +512,104 @@
        }
    }

    private func showOverlay() {
    private func showOverlay(initialQuickSearchSource: String? = 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 }

        overlayWindow?.orderOut(nil)
        overlayWindow = makeOverlayWindow(on: screen)
        overlayWindow?.setFrame(screen.frame, display: true)
        overlayWindow?.level = NSWindow.Level(rawValue: Int(CGWindowLevelForKey(.maximumWindow)))
        let window: NSWindow
        if let existingWindow = overlayWindow {
            window = existingWindow
        } else {
            window = makeOverlayWindow(on: screen, initialQuickSearchSource: initialQuickSearchSource)
            overlayWindow = window
        }

        // Local key monitor: catch Escape while overlay is up
        NSEvent.addLocalMonitorForEvents(matching: .keyDown) { [weak self] event in
        window.setFrame(screen.frame, display: true)
        window.level = isEditingAppNote ? Self.overlayTextInputLevel : Self.overlayDefaultLevel

        installOverlayKeyMonitor()

        if let initialQuickSearchSource {
            NotificationCenter.default.post(
                name: .tagLauncherQuickSearchRequested,
                object: nil,
                userInfo: ["source": initialQuickSearchSource]
            )
        }

        window.makeKeyAndOrderFront(nil)
        window.orderFrontRegardless()
        NotificationCenter.default.post(name: .tagLauncherOverlayDidShow, object: nil)
    }

    private func installOverlayKeyMonitor() {
        guard overlayKeyMonitor == nil else { return }
        overlayKeyMonitor = NSEvent.addLocalMonitorForEvents(matching: .keyDown) { [weak self] event in
            guard let self else { return event }
            if event.keyCode == 53 { // Escape
                self?.hideOverlay()
                if self.isQuickSearchOpen {
                    NotificationCenter.default.post(name: .tagLauncherQuickSearchDismissRequested, object: nil)
                    return nil
                }
                self.hideOverlay()
                return nil
            }
            if self.shouldOpenQuickSearch(for: event) {
                NotificationCenter.default.post(
                    name: .tagLauncherQuickSearchRequested,
                    object: nil,
                    userInfo: ["source": QuickSearchOpenSource.mainOverlay]
                )
                return nil
            }
            return event
        }

        overlayWindow?.makeKeyAndOrderFront(nil)
        overlayWindow?.orderFrontRegardless()
    }

    private func makeOverlayWindow(on screen: NSScreen) -> NSWindow {
    private func shouldOpenQuickSearch(for event: NSEvent) -> Bool {
        guard event.keyCode == UInt16(kVK_Space),
              !event.isARepeat,
              event.modifierFlags.intersection(.deviceIndependentFlagsMask).isEmpty,
              overlayWindow?.isVisible == true,
              !isQuickSearchOpen,
              !isInEditMode,
              !isEditingAppNote,
              !isModalInteractionActive
        else { return false }

        guard let firstResponder = overlayWindow?.firstResponder else { return true }
        if firstResponder is NSText || firstResponder is NSTextField {
            return false
        }
        if let responderView = firstResponder as? NSView,
           viewOrAncestorHandlesSpace(responderView) {
            return false
        }
        return true
    }

    private func viewOrAncestorHandlesSpace(_ view: NSView) -> Bool {
        var current: NSView? = view
        while let candidate = current {
            if candidate is NSButton || candidate is NSSegmentedControl || candidate is NSSlider {
                return true
            }
            current = candidate.superview
        }
        return false
    }

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

    private func makeOverlayWindow(on screen: NSScreen, initialQuickSearchSource: String? = nil) -> NSWindow {
        let panel = OverlayPanel(
            contentRect: screen.frame,
            styleMask: [.borderless, .fullSizeContentView, .nonactivatingPanel],
@@ -279,9 +632,12 @@
        panel.titleVisibility = .hidden
        panel.isReleasedWhenClosed = false
        panel.contentView = DismissibleHostingView(
            rootView: ContentView(hideOverlay: { [weak self] in
                self?.hideOverlay(force: true)
            }),
            rootView: ContentView(
                hideOverlay: { [weak self] in
                    self?.hideOverlay(force: true)
                },
                initialQuickSearchSource: initialQuickSearchSource
            ),
            onBackdropTap: { [weak self] in
                self?.hideOverlay()
            }
@@ -291,54 +647,97 @@

    private func hideOverlay(force: Bool = false) {
        guard force || !isInEditMode else { return }
        TagDatabase.flushPendingCategorySchemeBackupBatch()
        if let settingsWindow, settingsWindow.parent == overlayWindow {
            detachSettingsWindow(settingsWindow)
        }
        overlayWindow?.orderOut(nil)
        removeOverlayKeyMonitor()
        removeQuickSearchExternalMouseMonitor()
        NotificationCenter.default.post(name: .tagLauncherOverlayDidHide, object: nil)
        if force {
            overlayWindow = nil
        }
    }

    // MARK: - Global Hotkey (Shift+Option+Space)
    // MARK: - Global Hotkeys

    /// Carbon RegisterEventHotKey. If it fails (sandbox, etc.), falls back to menu bar only.
    private func registerHotkey() {
    private func registerConfiguredHotkeys() {
        installHotkeyEventHandlerIfNeeded()
        registerFixedHotkey(.main)
        registerFixedHotkey(.quickSearch)
    }

    private func registerFixedHotkey(_ kind: LauncherHotkeyKind) {
        unregisterHotkey(for: kind)
        let hotkey = kind.hotkey

        var hotkeyID = EventHotKeyID()
        hotkeyID.signature = OSType(0x41505447) // 'APTG'
        hotkeyID.id = 1
        hotkeyID.id = kind.eventID

        let modifiers = UInt32(shiftKey | optionKey)

        var ref: EventHotKeyRef?
        var newRef: EventHotKeyRef?
        let status = RegisterEventHotKey(
            UInt32(kVK_Space),
            modifiers,
            hotkey.keyCode,
            hotkey.modifiers,
            hotkeyID,
            GetApplicationEventTarget(),
            0,
            &ref
            &newRef
        )
        hotkeyRef = ref

        if status != noErr {
            print("[TagLauncher] Hotkey registration failed: \(status). Falling back to menu bar only.")
            return
        if status == noErr, let newRef {
            setHotkeyRef(newRef, for: kind)
            LauncherHotkeyRegistrationStore.setActive(for: kind)
        } else {
            setHotkeyRef(nil, for: kind)
            LauncherHotkeyRegistrationStore.setFailed(status, for: kind)
            print("[TagLauncher] Fixed hotkey registration failed for \(kind.rawValue): \(status)")
        }
    }

    private func observeHotkeyStatusChanges() {
        NotificationCenter.default.addObserver(
            forName: .tagLauncherHotkeyRegistrationChanged,
            object: nil,
            queue: .main
        ) { [weak self] _ in
            self?.setupMenuBar()
            self?.configureApplicationMenuWhenAvailable(retries: 2)
        }
    }

    private func installHotkeyEventHandlerIfNeeded() {
        guard !hotkeyEventHandlerInstalled else { return }
        hotkeyEventHandlerInstalled = true

        var eventSpec = EventTypeSpec(
            eventClass: OSType(kEventClassKeyboard),
            eventKind: UInt32(kEventHotKeyPressed)
        )

        let selfPtr = Unmanaged.passUnretained(self).toOpaque()

        InstallEventHandler(
            GetApplicationEventTarget(),
            { (_, _, userData) -> OSStatus in
                guard let userData else { return noErr }
            { (_, event, userData) -> OSStatus in
                guard let event, let userData else { return noErr }
                var hotkeyID = EventHotKeyID()
                let status = GetEventParameter(
                    event,
                    EventParamName(kEventParamDirectObject),
                    EventParamType(typeEventHotKeyID),
                    nil,
                    MemoryLayout<EventHotKeyID>.size,
                    nil,
                    &hotkeyID
                )
                guard status == noErr else { return noErr }

                let delegate = Unmanaged<AppDelegate>
                    .fromOpaque(userData)
                    .takeUnretainedValue()
                DispatchQueue.main.async {
                    delegate.toggleOverlay()
                    delegate.handleHotkeyEvent(id: hotkeyID.id)
                }
                return noErr
            },
@@ -347,6 +746,40 @@
            selfPtr,
            nil
        )
    }

    private func handleHotkeyEvent(id: UInt32) {
        if id == LauncherHotkeyKind.quickSearch.eventID {
            showQuickSearchFromGlobalHotkey()
        } else {
            toggleOverlay()
        }
    }

    private func showQuickSearchFromGlobalHotkey() {
        guard overlayWindow?.isVisible != true else { return }
        showOverlay(initialQuickSearchSource: QuickSearchOpenSource.globalHidden)
    }

    private func hotkeyRef(for kind: LauncherHotkeyKind) -> EventHotKeyRef? {
        switch kind {
        case .main: return mainHotkeyRef
        case .quickSearch: return quickSearchHotkeyRef
        }
    }

    private func setHotkeyRef(_ ref: EventHotKeyRef?, for kind: LauncherHotkeyKind) {
        switch kind {
        case .main: mainHotkeyRef = ref
        case .quickSearch: quickSearchHotkeyRef = ref
        }
    }

    private func unregisterHotkey(for kind: LauncherHotkeyKind) {
        if let ref = hotkeyRef(for: kind) {
            UnregisterEventHotKey(ref)
            setHotkeyRef(nil, for: kind)
        }
    }

    // MARK: - Preferences
@@ -365,8 +798,8 @@
                  !self.isInEditMode
            else { return }

            // Settings/Preferences window → float it above overlay for real-time preview
            if NSApp.windows.contains(keyWindow) {
            // Settings/Preferences window -> float it above overlay for real-time preview.
            if self.isSettingsWindowCandidate(keyWindow) {
                self.prepareSettingsWindow(keyWindow)
                return
            }
@@ -377,10 +810,11 @@

    /// 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: max(window.frame.height, 420))
        window.minSize = NSSize(width: 880, height: 420)
        window.maxSize = NSSize(width: 880, height: CGFloat.greatestFiniteMagnitude)
        if abs(window.frame.width - settingsSize.width) > 0.5 || window.frame.height < settingsSize.height {
        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
@@ -389,16 +823,43 @@

        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([.moveToActiveSpace, .fullScreenAuxiliary])
        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) {
@@ -428,6 +889,7 @@
                  let closingWindow = notification.object as? NSWindow,
                  closingWindow == self.settingsWindow
            else { return }
            self.detachSettingsWindow(closingWindow)
            self.settingsWindow = nil
        }
    }
@@ -443,23 +905,116 @@
        }
    }

    @objc private func openPreferences() {
        // Don't hide overlay — keep it visible for real-time setting preview.
        NSApp.sendAction(Selector(("showSettingsWindow:")), to: nil, from: nil)
        prepareSettingsWindowWhenAvailable(retries: 5)
    /// Lower the overlay while editing app notes so IME candidate windows are not hidden behind it.
    private func observeAppNoteEditing() {
        NotificationCenter.default.addObserver(
            forName: .tagLauncherAppNoteEditingChanged,
            object: nil,
            queue: .main
        ) { [weak self] notification in
            guard let self else { return }
            self.isEditingAppNote = (notification.userInfo?["active"] as? Bool) ?? false
            self.updateOverlayLevelForTextInput()
        }
    }

    private func prepareSettingsWindowWhenAvailable(retries: Int) {
        DispatchQueue.main.asyncAfter(deadline: .now() + 0.03) { [weak self] in
    private func observeQuickSearch() {
        NotificationCenter.default.addObserver(
            forName: .tagLauncherQuickSearchVisibilityChanged,
            object: nil,
            queue: .main
        ) { [weak self] notification in
            guard let self else { return }
            let candidates = NSApp.windows.filter { window in
                window != self.overlayWindow && window.isVisible
            }
            candidates.forEach { self.prepareSettingsWindow($0) }
            if candidates.isEmpty && retries > 0 {
                self.prepareSettingsWindowWhenAvailable(retries: retries - 1)
            self.isQuickSearchOpen = (notification.userInfo?["active"] as? Bool) ?? false
            if self.isQuickSearchOpen {
                self.installQuickSearchExternalMouseMonitor()
            } else {
                self.removeQuickSearchExternalMouseMonitor()
            }
        }

        NotificationCenter.default.addObserver(
            forName: .tagLauncherModalInteractionChanged,
            object: nil,
            queue: .main
        ) { [weak self] notification in
            self?.isModalInteractionActive = (notification.userInfo?["active"] as? Bool) ?? false
        }

        NotificationCenter.default.addObserver(
            forName: NSApplication.didResignActiveNotification,
            object: NSApp,
            queue: .main
        ) { [weak self] _ in
            guard self?.isQuickSearchOpen == true else { return }
            NotificationCenter.default.post(name: .tagLauncherQuickSearchDismissRequested, object: nil)
        }
    }

    private func installQuickSearchExternalMouseMonitor() {
        guard quickSearchExternalMouseMonitor == nil else { return }
        quickSearchExternalMouseMonitor = NSEvent.addGlobalMonitorForEvents(
            matching: [.leftMouseDown, .rightMouseDown, .otherMouseDown]
        ) { [weak self] _ in
            DispatchQueue.main.async {
                guard self?.isQuickSearchOpen == true else { return }
                NotificationCenter.default.post(name: .tagLauncherQuickSearchDismissRequested, object: nil)
            }
        }
    }

    private func removeQuickSearchExternalMouseMonitor() {
        if let quickSearchExternalMouseMonitor {
            NSEvent.removeMonitor(quickSearchExternalMouseMonitor)
            self.quickSearchExternalMouseMonitor = nil
        }
    }

    private func updateOverlayLevelForTextInput() {
        guard let overlayWindow else { return }
        overlayWindow.level = isEditingAppNote ? Self.overlayTextInputLevel : Self.overlayDefaultLevel
        if let settingsWindow, settingsWindow.parent == overlayWindow {
            settingsWindow.level = overlayWindow.level
        }
    }

    /// The overlay buttons live inside SwiftUI; use an app-level notification like edit mode does.
    private func observePreferencesRequests() {
        NotificationCenter.default.addObserver(
            forName: .tagLauncherOpenPreferencesRequested,
            object: nil,
            queue: .main
        ) { [weak self] _ in
            self?.openPreferences()
        }
    }

    @objc private func openPreferences() {
        TagDatabase.flushPendingCategorySchemeBackupBatch()
        // Don't hide overlay — keep it visible for real-time setting preview.
        if let overlayWindow, overlayWindow.isVisible {
            overlayWindow.makeKeyAndOrderFront(nil)
            overlayWindow.orderFrontRegardless()
        }
        NSApp.activate(ignoringOtherApps: true)

        if let settingsWindow {
            prepareSettingsWindow(settingsWindow)
            return
        }

        let settingsSize = NSSize(width: 880, height: 460)
        let window = NSWindow(
            contentRect: NSRect(origin: .zero, size: settingsSize),
            styleMask: [.titled, .closable],
            backing: .buffered,
            defer: false
        )
        window.title = tr("menu.preferences").replacingOccurrences(of: "…", with: "")
        window.contentView = NSHostingView(rootView: PreferencesView())
        window.isReleasedWhenClosed = false
        settingsWindow = window
        prepareSettingsWindow(window)
    }

    @objc private func switchLanguage(_ sender: NSMenuItem) {
@@ -472,15 +1027,25 @@

final class DismissibleHostingView<Content: View>: NSHostingView<Content> {
    private let onBackdropTap: () -> Void
    private var suppressBackdropDismiss = false
    private var modalInteractionObserver: NSObjectProtocol?

    @MainActor required init(rootView: Content) {
        self.onBackdropTap = {}
        super.init(rootView: rootView)
        observeModalInteractionChanges()
    }

    init(rootView: Content, onBackdropTap: @escaping () -> Void) {
        self.onBackdropTap = onBackdropTap
        super.init(rootView: rootView)
        observeModalInteractionChanges()
    }

    deinit {
        if let modalInteractionObserver {
            NotificationCenter.default.removeObserver(modalInteractionObserver)
        }
    }

    @available(*, unavailable)
@@ -493,7 +1058,15 @@
            return
        }
        if hit == self {
            if suppressBackdropDismiss {
                super.mouseDown(with: event)
                return
            }
            onBackdropTap()
            return
        }
        if let floatingButton = findFloatingIconButton(at: event.locationInWindow, in: self) {
            floatingButton.mouseDown(with: event)
            return
        }
        // Recursively search hit subtree for TextFieldContainer or NSTextField.
@@ -508,12 +1081,17 @@
            tf.mouseDown(with: event)
            return
        }
        // Forward to any other NSControl we find
        if let control = findNSControl(in: hit) {
            control.mouseDown(with: event)
            return
        }
        super.mouseDown(with: event)
    }

    private func observeModalInteractionChanges() {
        modalInteractionObserver = NotificationCenter.default.addObserver(
            forName: .tagLauncherModalInteractionChanged,
            object: nil,
            queue: .main
        ) { [weak self] notification in
            self?.suppressBackdropDismiss = (notification.userInfo?["active"] as? Bool) ?? false
        }
    }

    private func findTextFieldContainer(in view: NSView) -> TextFieldContainer? {
@@ -532,315 +1110,18 @@
        return nil
    }

    private func findNSControl(in view: NSView) -> NSControl? {
        if let control = view as? NSControl { return control }
        for sub in view.subviews {
            if let found = findNSControl(in: sub) { return found }
    private func findFloatingIconButton(at windowPoint: NSPoint, in view: NSView) -> FloatingIconButtonView? {
        for subview in view.subviews.reversed() where !subview.isHidden {
            if let found = findFloatingIconButton(at: windowPoint, in: subview) {
                return found
            }
        }
        guard let floatingButton = view as? FloatingIconButtonView else { return nil }
        let localPoint = floatingButton.convert(windowPoint, from: nil)
        if floatingButton.bounds.contains(localPoint) {
            return floatingButton
        }
        return nil
    }
}

// MARK: - Preferences View

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 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
    @State private var selectedLanguage = L10n.currentCode
    @State private var languageRefreshID = UUID()
    @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.load()
            apps = TagEditor.annotate(apps: apps)
            let colors = store.tags.mapValues { $0.color }
            DispatchQueue.main.async {
                allApps = apps
                tagColors = colors
            }
        }
    }

    private func exportTags() {
        let panel = NSSavePanel()
        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("[TagLauncher] Export failed: \(error)\n", stderr)
            }
        }
    }

    private func importTags() {
        let panel = NSOpenPanel()
        panel.title = tr("settings.import")
        panel.allowedContentTypes = [.json]
        panel.allowsMultipleSelection = false
        panel.begin { response in
            guard response == .OK, let url = panel.url else { return }
            do {
                _ = try TagDatabase.importFrom(url)
                scanApps()
            } catch {
                fputs("[TagLauncher] Import failed: \(error)\n", stderr)
                // Show alert on failure
                let alert = NSAlert()
                alert.messageText = tr("settings.importFailed")
                alert.informativeText = error.localizedDescription
                alert.alertStyle = .warning
                alert.runModal()
            }
        }
    }

    private var appVersion: String {
        Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String ?? "?"
    }
    private var buildVersion: String {
        Bundle.main.infoDictionary?["CFBundleVersion"] as? String ?? "?"
    }

    var body: some View {
        ZStack {
            TabView {
                // Tab 1: Language
                Form {
                    Section {
                        Picker(tr("settings.languagePicker"), selection: $selectedLanguage) {
                            ForEach(L10n.supported, id: \.code) { language in
                                Text(language.name).tag(language.code)
                            }
                        }
                        .pickerStyle(.radioGroup)
                    } header: {
                        Text(tr("settings.language"))
                    } footer: {
                        Text(tr("settings.languageDesc"))
                    }
                }
                .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)
                    Toggle(tr("settings.hideAppNames"), isOn: $hideAppNames)
                }
                .frame(maxWidth: .infinity, alignment: .center)
                .padding(.bottom, 16)

                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")
                            }
                            .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)
                                }
                            }
                            .pickerStyle(.segmented)
                            .frame(width: compactPickerWidth, alignment: .leading)
                            Text(tr("settings.tagFontDesc"))
                                .font(.caption).foregroundStyle(.secondary)
                                .fixedSize(horizontal: false, vertical: true)
                        }
                    }
                    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)
                        }
                    }
                }
            }
            .frame(maxWidth: settingsContentWidth, alignment: .center)
            .padding()
            .tabItem { Label(tr("settings.general"), systemImage: "gearshape") }

            // Tab 3: Tags
            VStack(spacing: 0) {
                TagEditorView(
                    tagColors: $tagColors,
                    excludedTagNames: ["Mac自带", defaultGroupName],
                    onRefresh: { scanApps() }
                )
            }
            .padding(.leading, 16)
            .tabItem { Label(tr("settings.tags"), systemImage: "tag.fill") }
            .onAppear { scanApps() }

            // Tab 4: Data
            Form {
                Section {
                    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)
                } header: {
                    Text(tr("settings.backup"))
                }
            }
            .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)

                            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)
                        }
                    }
                    .padding(.leading, 100)
                }
            }
            .tabItem { Label(tr("settings.about"), systemImage: "info.circle") }
            .padding()
            }
            .id(languageRefreshID)
            .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)
                }
                .transition(.opacity)
            }
        }
        .frame(minWidth: settingsWindowWidth, maxWidth: settingsWindowWidth, minHeight: 420)
    }

    private func showLanguageRefresh() {
        isRefreshingLanguage = true
        languageRefreshID = UUID()
        DispatchQueue.main.asyncAfter(deadline: .now() + 0.35) {
            withAnimation(.easeOut(duration: 0.18)) {
                isRefreshingLanguage = false
            }
        }
    }
}