Swift NSWindow Style Showcase

A showcase of many of the different styles of windows possible with NSWindow on MacOS. In some examples, NSToolbar, and NSVisualEffectView are used. No private API's are used.

To test each style, clone the project, open it in Xcode, uncomment each block of code in WindowController.swift and run. The numbers above each block correspond to each style below.

All code is in WindowController.swift in the windowDidLoad function. You should just be able to place each block inside that function to get the exact same result.

If you have a style to add, please make a pull request.

1. Hide title

Don't show the title text in the titlebar.

window?.titleVisibility = .hidden

2. Hide titlebar

Hide the titlebar completely.

window?.styleMask.remove(.titled)

3. Vibrant background

Create a vibrant background where whatever is behind the window can be slightly seen. This uses NSVisualEffectView.

let visualEffect = NSVisualEffectView()
visualEffect.blendingMode = .behindWindow
visualEffect.state = .active
visualEffect.material = .dark
window?.contentView = visualEffect

visualEffect.material can take multiple values including:

.appearanceBased: based on the views appearance
.dark: dark appearance
.ultraDark: ultra dark appearance
.light: light appearance
.mediumLight: medium light appearance
others such as .menu, .popover, .selection, .sidebar and .titlebar

4. Vibrant background with transparent titlebar

Same as above, with a transparent titlebar.

let visualEffect = NSVisualEffectView()
visualEffect.blendingMode = .behindWindow
visualEffect.state = .active
visualEffect.material = .dark
window?.contentView = visualEffect

window?.titlebarAppearsTransparent = true
window?.styleMask.insert(.fullSizeContentView)

5. Vibrant background without titlebar

Same as above, without the titlebar.

let visualEffect = NSVisualEffectView()
visualEffect.blendingMode = .behindWindow
visualEffect.state = .active
visualEffect.material = .dark
window?.contentView = visualEffect

window?.styleMask.remove(.titled)
window?.isMovableByWindowBackground = true

6. Vibrant background with border radius and no titlebar

A vibrant window with a custom border radius. The border radius value can be changed at visualEffect.layer?.cornerRadius = 16.0.

let visualEffect = NSVisualEffectView()
visualEffect.translatesAutoresizingMaskIntoConstraints = false
visualEffect.material = .dark
visualEffect.state = .active
visualEffect.wantsLayer = true
visualEffect.layer?.cornerRadius = 16.0

window?.titleVisibility = .hidden
window?.styleMask.remove(.titled)
window?.backgroundColor = .clear
window?.isMovableByWindowBackground = true

window?.contentView?.addSubview(visualEffect)

guard let constraints = window?.contentView else {
  return
}

visualEffect.leadingAnchor.constraint(equalTo: constraints.leadingAnchor).isActive = true
visualEffect.trailingAnchor.constraint(equalTo: constraints.trailingAnchor).isActive = true
visualEffect.topAnchor.constraint(equalTo: constraints.topAnchor).isActive = true
visualEffect.bottomAnchor.constraint(equalTo: constraints.bottomAnchor).isActive = true

7. Transparent titlebar

A window with a transparent titlebar.

window?.titlebarAppearsTransparent = true

8. Transparent titlebar with background color

Same as above with a background color.

window?.titlebarAppearsTransparent = true
window?.backgroundColor = .red

9. Toolbar

A window with a toolbar.

let customToolbar = NSToolbar()
window?.titleVisibility = .hidden
window?.toolbar = customToolbar

10. Transparent toolbar

Same as above, with the toolbar transparent.

let customToolbar = NSToolbar()
window?.titlebarAppearsTransparent = true
window?.titleVisibility = .hidden
window?.toolbar = customToolbar

11. Transparent toolbar without seperator

Same as above, without the toolbar seperator.

let customToolbar = NSToolbar()
customToolbar.showsBaselineSeparator = false
window?.titlebarAppearsTransparent = true
window?.titleVisibility = .hidden
window?.toolbar = customToolbar

12. Transparent toolbar with background color and without seperator

Same as above, with a background color.

let customToolbar = NSToolbar()
customToolbar.showsBaselineSeparator = false
window?.titlebarAppearsTransparent = true
window?.titleVisibility = .hidden
window?.backgroundColor = .red
window?.toolbar = customToolbar

13. Translucent toolbar

A translucent toolbar allowing for content behind the toolbar to be slightly seen.

let customToolbar = NSToolbar()
window?.titleVisibility = .hidden
window?.styleMask.insert(.fullSizeContentView)
window?.contentView?.wantsLayer = true
window?.contentView?.layer?.contents = NSImage(named: NSImage.Name(rawValue: "Background"))
window?.toolbar = customToolbar

14. Translucent titlebar

Same as above with a titlebar instead of a toolbar.

window?.titleVisibility = .hidden
window?.styleMask.insert(.fullSizeContentView)
window?.contentView?.wantsLayer = true
window?.contentView?.layer?.contents = NSImage(named: NSImage.Name(rawValue: "Background"))

15. Transparent titlebar without title

Same as above with a transparent titlebar.

window?.titleVisibility = .hidden
window?.styleMask.insert(.fullSizeContentView)
window?.titlebarAppearsTransparent = true
window?.contentView?.wantsLayer = true
window?.contentView?.layer?.contents = NSImage(named: NSImage.Name(rawValue: "Background"))

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