From 9abd2554308521c72bd0c3b60f6e7f5e7a129a8b Mon Sep 17 00:00:00 2001
From: Ariver <shanghai3168@gmail.com>
Date: Mon, 18 May 2026 16:42:50 +0800
Subject: [PATCH] Fix built-in app grouping and bubble hover settings

---
 Apptag/ApptagApp.swift |  783 +++++++++++++++++++++++++++++--------------------------
 1 files changed, 416 insertions(+), 367 deletions(-)

diff --git a/Apptag/ApptagApp.swift b/Apptag/ApptagApp.swift
index 9698519..daf5d45 100644
--- a/Apptag/ApptagApp.swift
+++ b/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 +28,57 @@
 }
 
 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 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 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 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()
+        syncChromeSettings(force: true)
         registerHotkey()
         observeOtherWindows()
         observeSettingsClose()
         observeEditMode()
-        observeDockSetting()
+        observeAppNoteEditing()
+        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()
     }
 
     /// Ensure defaultGroupName is always the language-neutral key "Other".
@@ -70,14 +99,27 @@
         // 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 +130,7 @@
             object: nil, queue: .main
         ) { [weak self] _ in
             self?.setupMenuBar()
+            self?.configureApplicationMenuWhenAvailable()
         }
     }
 
@@ -141,8 +184,7 @@
             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 +192,28 @@
     // MARK: - Menu Bar
 
     private func setupMenuBar() {
-        // Remove old status item if re-creating (language switch, etc.)
-        if let existing = statusItem {
-            NSStatusBar.system.removeStatusItem(existing)
-        }
-        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: "TagLauncher"
-            )
+            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 +233,7 @@
             action: #selector(openPreferences),
             keyEquivalent: ","
         )
+        prefsItem.target = self
         prefsItem.keyEquivalentModifierMask = .command
         menu.addItem(prefsItem)
         menu.addItem(.separator())
@@ -221,6 +262,226 @@
         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 {
+        "\(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)
+        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() {
@@ -241,19 +502,30 @@
         overlayWindow?.orderOut(nil)
         overlayWindow = makeOverlayWindow(on: screen)
         overlayWindow?.setFrame(screen.frame, display: true)
-        overlayWindow?.level = NSWindow.Level(rawValue: Int(CGWindowLevelForKey(.maximumWindow)))
+        overlayWindow?.level = isEditingAppNote ? Self.overlayTextInputLevel : Self.overlayDefaultLevel
 
-        // 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 {
@@ -291,7 +563,12 @@
 
     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()
         if force {
             overlayWindow = nil
         }
@@ -365,8 +642,8 @@
                   !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 +654,11 @@
 
     /// 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 +667,43 @@
 
         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 +733,7 @@
                   let closingWindow = notification.object as? NSWindow,
                   closingWindow == self.settingsWindow
             else { return }
+            self.detachSettingsWindow(closingWindow)
             self.settingsWindow = nil
         }
     }
@@ -443,23 +749,64 @@
         }
     }
 
-    @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
-            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)
-            }
+    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) {
@@ -496,6 +843,10 @@
             onBackdropTap()
             return
         }
+        if let floatingButton = findFloatingIconButton(at: event.locationInWindow, in: self) {
+            floatingButton.mouseDown(with: event)
+            return
+        }
         // Recursively search hit subtree for TextFieldContainer or NSTextField.
         // NSHostingView.hitTest may return a SwiftUI-internal wrapper — the
         // actual AppKit subview may be nested deeper.
@@ -506,11 +857,6 @@
         if let tf = findNSTextField(in: hit) {
             tf.window?.makeFirstResponder(tf)
             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)
@@ -532,315 +878,18 @@
         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
-            }
-        }
-    }
 }

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