Center window title in titlebar.

Made-with: Cursor

meetings_app/ViewController.swift

@@ -43,6 +43,7 @@ final class ViewController: NSViewController {
     private var sidebarPageByView = [ObjectIdentifier: SidebarPage]()
     private var meetingProviderByView = [ObjectIdentifier: MeetingProvider]()
     private var settingsActionByView = [ObjectIdentifier: SettingsAction]()
+    private weak var centeredTitleLabel: NSTextField?
 
     private let darkModeDefaultsKey = "settings.darkModeEnabled"
     private var darkModeEnabled: Bool {
@@ -82,6 +83,9 @@ final class ViewController: NSViewController {
         view.window?.setContentSize(NSSize(width: 1120, height: 690))
         view.window?.minSize = NSSize(width: 940, height: 600)
         applyWindowTitle(for: selectedSidebarPage)
+        if let window = view.window {
+            installCenteredTitleIfNeeded(on: window)
+        }
     }
 
     override var representedObject: Any? {
@@ -241,18 +245,46 @@ private extension ViewController {
     }
 
     private func applyWindowTitle(for page: SidebarPage) {
+        let title: String
         switch page {
         case .joinMeetings:
-            view.window?.title = "App for Google Meet"
+            title = "App for Google Meet"
         case .photo:
-            view.window?.title = "Backgrounds — Photo"
+            title = "Backgrounds — Photo"
         case .video:
-            view.window?.title = "Backgrounds — Video"
+            title = "Backgrounds — Video"
         case .tutorials:
-            view.window?.title = "Tutorials"
+            title = "Tutorials"
         case .settings:
-            view.window?.title = "Settings"
+            title = "Settings"
         }
+        view.window?.title = title
+        centeredTitleLabel?.stringValue = title
+    }
+
+    private func installCenteredTitleIfNeeded(on window: NSWindow) {
+        guard centeredTitleLabel == nil else { return }
+        guard let titlebarView = window.standardWindowButton(.closeButton)?.superview else { return }
+
+        let label = NSTextField(labelWithString: window.title)
+        label.translatesAutoresizingMaskIntoConstraints = false
+        label.alignment = .center
+        label.font = NSFont.titleBarFont(ofSize: 0)
+        label.textColor = .labelColor
+        label.lineBreakMode = .byTruncatingTail
+        label.maximumNumberOfLines = 1
+
+        titlebarView.addSubview(label)
+
+        NSLayoutConstraint.activate([
+            label.centerXAnchor.constraint(equalTo: titlebarView.centerXAnchor),
+            label.centerYAnchor.constraint(equalTo: titlebarView.centerYAnchor),
+            label.leadingAnchor.constraint(greaterThanOrEqualTo: titlebarView.leadingAnchor, constant: 90),
+            label.trailingAnchor.constraint(lessThanOrEqualTo: titlebarView.trailingAnchor, constant: -90)
+        ])
+
+        window.titleVisibility = .hidden
+        centeredTitleLabel = label
     }
 
     private func updateSidebarAppearance() {