Add extensions to help finding private subviews

macos/Ghostty.xcodeproj/project.pbxproj

@@ -68,6 +68,7 @@
 		AEF9CE242B6AD07A0017E195 /* TerminalToolbar.swift in Sources */ = {isa = PBXBuildFile; fileRef = AEF9CE232B6AD07A0017E195 /* TerminalToolbar.swift */; };
 		C159E81D2B66A06B00FDFE9C /* OSColor+Extension.swift in Sources */ = {isa = PBXBuildFile; fileRef = C159E81C2B66A06B00FDFE9C /* OSColor+Extension.swift */; };
 		C159E89D2B69A2EF00FDFE9C /* OSColor+Extension.swift in Sources */ = {isa = PBXBuildFile; fileRef = C159E81C2B66A06B00FDFE9C /* OSColor+Extension.swift */; };
+		C1F26EA72B738B9900404083 /* NSView+Extension.swift in Sources */ = {isa = PBXBuildFile; fileRef = C1F26EA62B738B9900404083 /* NSView+Extension.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -128,6 +129,7 @@
 		A5FEB2FF2ABB69450068369E /* main.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = main.swift; sourceTree = "<group>"; };
 		AEF9CE232B6AD07A0017E195 /* TerminalToolbar.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TerminalToolbar.swift; sourceTree = "<group>"; };
 		C159E81C2B66A06B00FDFE9C /* OSColor+Extension.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "OSColor+Extension.swift"; sourceTree = "<group>"; };
+		C1F26EA62B738B9900404083 /* NSView+Extension.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "NSView+Extension.swift"; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -193,6 +195,7 @@
 				A59630962AEE163600D64628 /* HostingWindow.swift */,
 				A59FB5D02AE0DEA7009128F3 /* MetalView.swift */,
 				C159E81C2B66A06B00FDFE9C /* OSColor+Extension.swift */,
+				C1F26EA62B738B9900404083 /* NSView+Extension.swift */,
 				A5CEAFDA29B8005900646FDA /* SplitView */,
 			);
 			path = Helpers;
@@ -468,6 +471,7 @@
 				A59FB5CF2AE0DB50009128F3 /* InspectorView.swift in Sources */,
 				A5D0AF3D2B37804400D21823 /* CodableBridge.swift in Sources */,
 				A5D0AF3B2B36A1DE00D21823 /* TerminalRestorable.swift in Sources */,
+				C1F26EA72B738B9900404083 /* NSView+Extension.swift in Sources */,
 				A596309C2AEE1C9E00D64628 /* TerminalController.swift in Sources */,
 				A56D58892ACDE6CA00508D2C /* ServiceProvider.swift in Sources */,
 				A51BFC222B2FB6B400E92F16 /* AboutView.swift in Sources */,

macos/Sources/Features/Terminal/TerminalWindow.swift

@@ -70,9 +70,9 @@ class TerminalWindow: NSWindow {
     func setTitlebarBackground(_ color: CGColor) {
         storedTitlebarBackgroundColor = color
         
-        guard let titlebarContainer = contentView?.superview?.subviews.first(where: {
+        guard let titlebarContainer = contentView?.superview?.firstSubview(withClassName: "NSTitlebarContainerView") else {
-            $0.className == "NSTitlebarContainerView"
+            return
-        }) else { return }
+        }
 
         titlebarContainer.wantsLayer = true
         titlebarContainer.layer?.backgroundColor = color
@@ -134,9 +134,10 @@ class TerminalWindow: NSWindow {
         guard let accessoryClipView = accessoryView.superview else { return }
         guard let titlebarView = accessoryClipView.superview else { return }
         guard titlebarView.className == "NSTitlebarView" else { return }
-        guard let toolbarView = titlebarView.subviews.first(where: {
+
-            $0.className == "NSToolbarView"
+        guard let toolbarView = titlebarView.firstSubview(withClassName: "NSToolbarView") else {
-        }) else { return }
+            return
+        }
         
         addWindowButtonsBackdrop(titlebarView: titlebarView, toolbarView: toolbarView)
         guard let windowButtonsBackdrop = windowButtonsBackdrop else { return }

macos/Sources/Helpers/NSView+Extension.swift

@@ -0,0 +1,29 @@
+import AppKit
+
+extension NSView {
+    func firstSubview(withClassName name: String) -> NSView? {
+        for subview in subviews {
+            if String(describing: type(of: subview)) == name {
+                return subview
+            } else if let found = subview.firstSubview(withClassName: name) {
+                return found
+            }
+        }
+
+        return nil
+    }
+
+    func subviews(withClassName name: String) -> [NSView] {
+        var result = [NSView]()
+
+        for subview in subviews {
+            if String(describing: type(of: subview)) == name {
+                result.append(subview)
+            }
+
+            result += subview.subviews(withClassName: name)
+        }
+
+        return result
+    }
+}