How can I disable the close button? - swift

Question

I need some help with figuring out how to disable/hide the close, minimize, and resize buttons in OS X Cocoa and Swift 2. Here's the code I tried. I know it's for the Title Bar, but I thought I'd try it anyway:
self.window.titleVisibility = NSWindowTitleVisibility.Hidden;
Does any one know how to do that? I'm using Swift 2, OS X Cocoa, and Xcode 7.2. Thanks!

Answer 1

Also try;
self.window!.standardWindowButton(NSWindow.ButtonType.closeButton)!.hidden = true
self.window!.standardWindowButton(NSWindow.ButtonType.miniaturizeButton)!.hidden = true
etc.

Answer 2

In Xcode 9.1 you can use following in the ViewController,
override func viewWillAppear() {
self.view.window?.titleVisibility = .hidden
self.view.window?.titlebarAppearsTransparent = true
self.view.window?.styleMask.insert(.fullSizeContentView)
self.view.window?.styleMask.remove(.closable)
self.view.window?.styleMask.remove(.fullScreen)
self.view.window?.styleMask.remove(.miniaturizable)
self.view.window?.styleMask.remove(.resizable)
//self.view.window?.isMovable = false
}
override func viewWillAppear() {
self.view.window?.titleVisibility = .hidden
self.view.window?.titlebarAppearsTransparent = true
self.view.window?.styleMask.insert(.fullSizeContentView)
//self.view.window?.styleMask.remove(.closable)
self.view.window?.styleMask.remove(.fullScreen)
self.view.window?.styleMask.remove(.miniaturizable)
self.view.window?.styleMask.remove(.resizable)
//self.view.window?.isMovable = false
}

Answer 3

See the NSWindow.styleMask property and the Window Style Masks.
Clearing the NSClosableWindowMask, NSMiniaturizableWindowMask, and NSResizableWindowMask flags will remove all of the buttons from a window's title bar.
window.styleMask &= ~(NSClosableWindowMask | NSMiniaturizableWindowMask | NSResizableWindowMask)

Answer 4

I find that the following effectively disables without completely hiding the close button:
self.view.window?.standardWindowButton(NSWindow.ButtonType.closeButton)?.isEnabled = false

Answer 5

a side note: do NOT disable "close" red button: apple will reject app saying:
"The user interface of your app is not consistent with the macOS Human Interface Guidelines. Specifically:
Specifically, the red light was disabled."
:(

Answer 6

Expanding on the accepted answer above by #JohnElemans, this is what worked for me when presenting modally using a storyboard segue on macOS 10.15:
// On NSViewController.viewDidAppear()
if let window = self.view.window {
window.standardWindowButton(NSWindow.ButtonType.closeButton)?.isHidden = true
window.standardWindowButton(NSWindow.ButtonType.miniaturizeButton)?.isHidden = true
window.standardWindowButton(NSWindow.ButtonType.zoomButton)?.isHidden = true
}
I had to add the third line (NSWindow.ButtonType.zoomButton) to get rid of the green ('fullscreen') button.

Answer 7

If you are using Storyboards and you can change your window styleMask property inside an IBAction or viewDidLoad as follow:
NSApplication.sharedApplication().windows.first?.styleMask = NSTitledWindowMask // | NSClosableWindowMask | NSMiniaturizableWindowMask | NSResizableWindowMask
If you would like to enable them again just uncomment the rest of the style mask:
NSApplication.sharedApplication().windows.first?.styleMask = NSTitledWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask | NSResizableWindowMask

Answer 8

If you are using Flutter， you can do like this：
import Cocoa
import FlutterMacOS
import window_manager
class MainFlutterWindow: NSWindow {
override func awakeFromNib() {
let flutterViewController = FlutterViewController.init()
let windowFrame = self.frame
self.contentViewController = flutterViewController
self.setFrame(windowFrame, display: true)
self.standardWindowButton(.closeButton)?.isHidden = true
self.standardWindowButton(.miniaturizeButton)?.isHidden = true
self.standardWindowButton(.zoomButton)?.isHidden = true
RegisterGeneratedPlugins(registry: flutterViewController)
super.awakeFromNib()
}
override public func order(_ place: NSWindow.OrderingMode, relativeTo otherWin: Int) {
super.order(place, relativeTo: otherWin)
hiddenWindowAtLaunch()
}
}