import Cocoa import FlutterMacOS class MainFlutterWindow: NSWindow { override func awakeFromNib() { let flutterViewController = FlutterViewController() let windowFrame = self.frame self.titleVisibility = .hidden self.titlebarAppearsTransparent = true self.isOpaque = false self.backgroundColor = .clear self.styleMask.insert(.fullSizeContentView) self.contentViewController = flutterViewController self.setFrame(windowFrame, display: true) RegisterGeneratedPlugins(registry: flutterViewController) super.awakeFromNib() } }