Hide NSWindow title bar

Question

Is there a way to hide the titlebar in an NSWindow? I don't want to have to completely write a new custom window. I can't use NSBorderlessWindowMask because I have a bottom bar on my window, and using NSBorderlessWindowMask makes that disappear. I also tried using setContentBorderThickness:forEdge: with NSMaxYEdge and setting it to 0, that didn't work either.

Any help is appreciated

I pretty much just ended up changing the design of my app so that this isn't necessary, for all those who are thinking about doing the same, its not a great way to go. — indragie, Feb 17 '10 at 01:00

score 36 · Answer 1 · edited Oct 30 '12 at 18:27

36

[yourWindow setStyleMask:NSBorderlessWindowMask];

edited Oct 30 '12 at 18:27

Parag Bafna

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answered Jan 23 '10 at 22:56

user257587

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I believe you also have to override canBecomeKeyWindow or something like that. I tried this and all that happened is that my window wouldn't show. However, I used the Apple sample code that bijan linked and that worked beautifully. – Kenny Wyland Sep 29 '11 at 20:11
indragie explicitly indicated that he could not use NSBorderlessWindowMask. – ctpenrose Dec 03 '12 at 20:21
@KennyWyland what the link? – skywinder Oct 21 '14 at 14:30
This does not work for me atm... even if I override "canBecomeKeyWindow" etc. – Morkrom Nov 03 '14 at 21:54

eonil · Answer 2 · 2018-10-23T09:37:43.533

23

Starting from OS X 10.10, you can hide title bar.

window1.titlebarAppearsTransparent = true
window1.titleVisibility            = .Hidden

Maybe you want to override window style.

window1.styleMask = NSResizableWindowMask
                  | NSTitledWindowMask
                  | NSFullSizeContentViewWindowMask

edited Oct 23 '18 at 09:37

answered Jan 02 '16 at 04:09

eonil

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Updated for Swift 5: `window.styleMask = [.resizable, .titled, .closable, .miniaturizable, .fullSizeContentView]` – endavid Nov 27 '20 at 21:44
this will not work in fullscreen. When you will mouse position to the top of screen - titlebar still will be shown – Andrew_STOP_RU_WAR_IN_UA Jan 14 '22 at 07:17

score 6 · Answer 3 · answered Jan 29 '18 at 22:34

Kind of Welcome screen NSWindow / NSViewController setup (Swift 4.1)

extension NSWindow {

   enum Style {
      case welcome
   }

   convenience init(contentRect: CGRect, style: Style) {
      switch style {
      case .welcome:
         let styleMask: NSWindow.StyleMask = [.closable, .titled, .fullSizeContentView]
         self.init(contentRect: contentRect, styleMask: styleMask, backing: .buffered, defer: true)
         titlebarAppearsTransparent = true
         titleVisibility = .hidden
         standardWindowButton(.zoomButton)?.isHidden = true
         standardWindowButton(.miniaturizeButton)?.isHidden = true
      }
   }
}

class WelcomeWindowController: NSWindowController {

   private (set) lazy var viewController = WelcomeViewController()
   private let contentWindow: NSWindow

   init() {
      contentWindow = NSWindow(contentRect: CGRect(x: 400, y: 200, width: 800, height: 472), style: .welcome)
      super.init(window: contentWindow)

      let frameSize = contentWindow.contentRect(forFrameRect: contentWindow.frame).size
      viewController.view.setFrameSize(frameSize)
      contentWindow.contentViewController = viewController
   }
}

class WelcomeViewController: NSViewController {

   private lazy var contentView = View()

   override func loadView() {
      view = contentView
   }

   init() {
      super.init(nibName: nil, bundle: nil)
   }

   override func viewDidLoad() {
      super.viewDidLoad()
      contentView.backgroundColor = .white
   }
}

class View: NSView {

   var backgroundColor: NSColor?

   convenience init() {
      self.init(frame: NSRect())
   }

   override func draw(_ dirtyRect: NSRect) {
      if let backgroundColor = backgroundColor {
         backgroundColor.setFill()
         dirtyRect.fill()
      } else {
         super.draw(dirtyRect)
      }
   }
}

Result

Just show the window: https://developer.apple.com/documentation/appkit/nswindowcontroller/1534037-showwindow — Vlad, Jan 14 '22 at 16:13
this code even not compile in swift 5 https://prnt.sc/26dwnqx — Andrew_STOP_RU_WAR_IN_UA, Jan 15 '22 at 07:38
At the top of the answer mentioned that sample code is for Swift 4.1. — Vlad, Jan 16 '22 at 08:12

score 1 · Answer 4 · answered Jul 30 '13 at 08:02

I had an experience that when I first set content view of my window and then set the window borderless:

[yourWindow setStyleMask:NSBorderlessWindowMask];

Nothing would appear in my window. So i first set the style mask and after that i've set the content view:

- (void)applicationDidFinishLaunching:(NSNotification *)aNotification
{ 
    // 1. borderless window
    [[self window] setStyleMask: NSBorderlessWindowMask];
    // 2. create the master View Controller
    self.masterViewController = [[MasterViewController alloc] initWithNibName:@"MasterViewController" bundle:nil];
    // 3. Add the view controller to the Window's content view
    [self.window.contentView addSubview:self.masterViewController.view];
    self.masterViewController.view.frame = ((NSView*)self.window.contentView).bounds;     
}

And voila, the content of my window has appeared.

score 1 · Answer 5 · answered Jan 08 '10 at 19:37

1

What happens if you get the superview of the close button? Can you hide that?

// Imagine that 'self' is the NSWindow derived class
NSButton *miniaturizeButton = [self standardWindowButton:NSWindowMiniaturizeButton];
NSView* titleBarView = [miniaturizeButton superview];
[titleBarView setHidden:YES];

answered Jan 08 '10 at 19:37

Lyndsey Ferguson

5,306
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1

I tried this and it just turns the window white and blank. If I'm not mistaken, the superview of the button is NSThemeFrame. However, I might try adjusting the frame of the view to see if I can shrink it. – indragie Jan 08 '10 at 23:31
Adjusting the frame doesn't work well, I get all sorts of strange results. Pretty much stuck I suppose. – indragie Jan 09 '10 at 00:28
The reason that didn't work is that the NSThemeFrame is the superview of the window's contentView. Hide the frame view, and all its subviews get hidden, too. – NSResponder Jan 09 '10 at 01:07
Just for fun I class dumped NSThemeFrame's header and other related classes then found some private methods in there for returning the titlebar height. Then I loaded my custom theme frame subclass in my NSWindow subclass and tried it, and it did work, but it got rid of my rounded corners and the bottom bar as well. Oh well. – indragie Jan 21 '10 at 03:02

score 1 · Answer 6 · answered Feb 11 '10 at 14:23

The only way I know would be to create a window without a titlebar (see NSBorderlessWindowMask). Note that you can't (easily) create a window without a titlebar in IB, so you will have to do a bit of work in code (there are a couple of different approaches, you can probably figure it out).

A big drawback with using a window without a titlebar is that you're now on the hook for much more of the standard appearance and behaviour - rounded corners and such.

score 1 · Answer 7 · answered Jan 12 '21 at 14:16

1

Select Window in storyboard or XIB and tick the red circled option.

answered Jan 12 '21 at 14:16

Merkurial

242
3
17

score 0 · Answer 8 · answered Jul 21 '15 at 19:14

0

You can use WAYInAppStoreWindow available on GitHub which works on Yosemite and Mavericks.

answered Jul 21 '15 at 19:14

Dalmazio

1,835
2
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score -1 · Answer 9 · answered Jul 22 '20 at 14:36

-1

Swift

NSApp.mainWindow?.styleMask = .borderless

answered Jul 22 '20 at 14:36

NamNamNam

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3
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you cannot change this thing on runtime. This will crash your app. – Andrew_STOP_RU_WAR_IN_UA Jan 14 '22 at 07:15

Hide NSWindow title bar

9 Answers9

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