macOS: only show the update overlay if window doesn't support it

macos/Sources/Features/QuickTerminal/QuickTerminalController.swift

@@ -37,7 +37,7 @@ class QuickTerminalController: BaseTerminalController {
     
     /// Tracks if we're currently handling a manual resize to prevent recursion
     private var isHandlingResize: Bool = false
-
+    
     init(_ ghostty: Ghostty.App,
          position: QuickTerminalPosition = .top,
          baseConfig base: Ghostty.SurfaceConfiguration? = nil,

macos/Sources/Features/Terminal/BaseTerminalController.swift

@@ -48,6 +48,9 @@ class BaseTerminalController: NSWindowController,
 
     /// This can be set to show/hide the command palette.
     @Published var commandPaletteIsShowing: Bool = false
+    
+    /// Set if the terminal view should show the update overlay.
+    @Published var updateOverlayIsVisible: Bool = false
 
     /// Whether the terminal surface should focus when the mouse is over it.
     var focusFollowsMouse: Bool {
@@ -818,7 +821,18 @@ class BaseTerminalController: NSWindowController,
         }
     }
 
-    func fullscreenDidChange() {}
+    func fullscreenDidChange() {
+        guard let fullscreenStyle else { return }
+        
+        // When we enter fullscreen, we want to show the update overlay so that it
+        // is easily visible. For native fullscreen this is visible by showing the
+        // menubar but we don't want to rely on that.
+        if fullscreenStyle.isFullscreen {
+            updateOverlayIsVisible = true
+        } else {
+            updateOverlayIsVisible = defaultUpdateOverlayVisibility()
+        }
+    }
 
     // MARK: Clipboard Confirmation
 
@@ -900,6 +914,28 @@ class BaseTerminalController: NSWindowController,
             fullscreenStyle = NativeFullscreen(window)
             fullscreenStyle?.delegate = self
         }
+        
+        // Set our update overlay state
+        updateOverlayIsVisible = defaultUpdateOverlayVisibility()
+    }
+    
+    func defaultUpdateOverlayVisibility() -> Bool {
+        guard let window else { return true }
+        
+        // No titlebar we always show the update overlay because it can't support
+        // updates in the titlebar
+        guard window.styleMask.contains(.titled) else {
+            return true
+        }
+        
+        // If it's a non terminal window we can't trust it has an update accessory,
+        // so we always want to show the overlay.
+        guard let window = window as? TerminalWindow else {
+            return true
+        }
+        
+        // Show the overlay if the window isn't.
+        return !window.supportsUpdateAccessory
     }
 
     // MARK: NSWindowDelegate

macos/Sources/Features/Terminal/TerminalView.swift

@@ -31,6 +31,9 @@ protocol TerminalViewModel: ObservableObject {
 
     /// The command palette state.
     var commandPaletteIsShowing: Bool { get set }
+    
+    /// The update overlay should be visible.
+    var updateOverlayIsVisible: Bool { get }
 }
 
 /// The main terminal view. This terminal view supports splits.
@@ -111,7 +114,9 @@ struct TerminalView<ViewModel: TerminalViewModel>: View {
                 }
                 
                 // Show update information above all else.
-                UpdateOverlay()
+                if viewModel.updateOverlayIsVisible {
+                    UpdateOverlay()
+                }
             }
         }
     }

macos/Sources/Features/Terminal/Window Styles/HiddenTitlebarTerminalWindow.swift

@@ -1,6 +1,9 @@
 import AppKit
 
 class HiddenTitlebarTerminalWindow: TerminalWindow {
+    // No titlebar, we don't support accessories.
+    override var supportsUpdateAccessory: Bool { false }
+    
     override func awakeFromNib() {
         super.awakeFromNib()
 

macos/Sources/Features/Terminal/Window Styles/TerminalWindow.swift

@@ -20,12 +20,19 @@ class TerminalWindow: NSWindow {
 
     /// The configuration derived from the Ghostty config so we don't need to rely on references.
     private(set) var derivedConfig: DerivedConfig = .init()
+    
+    /// Whether this window supports the update accessory. If this is false, then views within this
+    /// window should determine how to show update notifications.
+    var supportsUpdateAccessory: Bool {
+        // Native window supports it.
+        true
+    }
 
     /// Gets the terminal controller from the window controller.
     var terminalController: TerminalController? {
         windowController as? TerminalController
     }
-
+    
     // MARK: NSWindow Overrides
 
     override var toolbar: NSToolbar? {
@@ -90,14 +97,16 @@ class TerminalWindow: NSWindow {
             resetZoomAccessory.view.translatesAutoresizingMaskIntoConstraints = false
             
             // Create update notification accessory
-            updateAccessory.layoutAttribute = .right
-            updateAccessory.view = NSHostingView(rootView: UpdateAccessoryView(
-                viewModel: viewModel,
-                model: appDelegate.updateUIModel,
-                actions: appDelegate.updateActions
-            ))
-            addTitlebarAccessoryViewController(updateAccessory)
-            updateAccessory.view.translatesAutoresizingMaskIntoConstraints = false
+            if supportsUpdateAccessory {
+                updateAccessory.layoutAttribute = .right
+                updateAccessory.view = NSHostingView(rootView: UpdateAccessoryView(
+                    viewModel: viewModel,
+                    model: appDelegate.updateUIModel,
+                    actions: appDelegate.updateActions
+                ))
+                addTitlebarAccessoryViewController(updateAccessory)
+                updateAccessory.view.translatesAutoresizingMaskIntoConstraints = false
+            }
         }
 
         // Setup the accessory view for tabs that shows our keyboard shortcuts,

macos/Sources/Features/Terminal/Window Styles/TitlebarTabsTahoeTerminalWindow.swift

@@ -8,6 +8,10 @@ import SwiftUI
 class TitlebarTabsTahoeTerminalWindow: TransparentTitlebarTerminalWindow, NSToolbarDelegate {
     /// The view model for SwiftUI views
     private var viewModel = ViewModel()
+    
+    /// Titlebar tabs can't support the update accessory because of the way we layout
+    /// the native tabs back into the menu bar.
+    override var supportsUpdateAccessory: Bool { false }
 
     deinit {
         tabBarObserver = nil

macos/Sources/Features/Terminal/Window Styles/TitlebarTabsVenturaTerminalWindow.swift

@@ -2,6 +2,10 @@ import Cocoa
 
 /// Titlebar tabs for macOS 13 to 15.
 class TitlebarTabsVenturaTerminalWindow: TerminalWindow {
+    /// Titlebar tabs can't support the update accessory because of the way we layout
+    /// the native tabs back into the menu bar.
+    override var supportsUpdateAccessory: Bool { false }
+    
     /// This is used to determine if certain elements should be drawn light or dark and should
     /// be updated whenever the window background color or surrounding elements changes.
     fileprivate var isLightTheme: Bool = false