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Swift NSWindow Style Showcase

Swift 5 Platform Github

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.

<p align="center"> <img src="./Images/1.png" width="720"> </p>
window?.titleVisibility = .hidden

2. Hide titlebar

Hide the titlebar completely.

<p align="center"> <img src="./Images/2.png" width="620"> </p>
window?.styleMask.remove(.titled)

3. Vibrant background

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

<p align="center"> <img src="./Images/3.png" width="620"> </p>
let visualEffect = NSVisualEffectView()
visualEffect.blendingMode = .behindWindow
visualEffect.state = .active
visualEffect.material = .dark
window?.contentView = visualEffect

visualEffect.material can take multiple values including:

4. Vibrant background with transparent titlebar

Same as above, with a transparent titlebar.

<p align="center"> <img src="./Images/4.png" width="620"> </p>
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.

<p align="center"> <img src="./Images/5.png" width="620"> </p>
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 custom 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.

<p align="center"> <img src="./Images/6.png" width="620"> </p>
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. Vibrant background with transparent titlebar and no window controls

A vibrant window with a standard border radius and no window controls or title.

<p align="center"> <img src="./Images/vibrant-w-radius.png" width="620"> </p>
let visualEffect = NSVisualEffectView()
visualEffect.blendingMode = .behindWindow
visualEffect.state = .active
visualEffect.material = .dark
window?.contentView = visualEffect

window?.styleMask.insert(.titled)

window?.titlebarAppearsTransparent = true
window?.titleVisibility = .hidden

window?.standardWindowButton(.miniaturizeButton)?.isHidden = true
window?.standardWindowButton(.closeButton)?.isHidden = true
window?.standardWindowButton(.zoomButton)?.isHidden = true

window?.isMovableByWindowBackground = true

8. Transparent titlebar

A window with a transparent titlebar.

<p align="center"> <img src="./Images/7.png" width="720"> </p>
window?.titlebarAppearsTransparent = true

9. Transparent titlebar with background color

Same as above with a background color.

<p align="center"> <img src="./Images/8.png" width="720"> </p>
window?.titlebarAppearsTransparent = true
window?.backgroundColor = .red

10. Toolbar

A window with a toolbar.

<p align="center"> <img src="./Images/9.png" width="720"> </p>
let customToolbar = NSToolbar()
window?.titleVisibility = .hidden
window?.toolbar = customToolbar

11. Transparent toolbar

Same as above, with the toolbar transparent.

<p align="center"> <img src="./Images/10.png" width="720"> </p>
let customToolbar = NSToolbar()
window?.titlebarAppearsTransparent = true
window?.titleVisibility = .hidden
window?.toolbar = customToolbar

12. Transparent toolbar without seperator

Same as above, without the toolbar seperator.

<p align="center"> <img src="./Images/11.png" width="720"> </p>
let customToolbar = NSToolbar()
customToolbar.showsBaselineSeparator = false
window?.titlebarAppearsTransparent = true
window?.titleVisibility = .hidden
window?.toolbar = customToolbar

13. Transparent toolbar with background color and without seperator

Same as above, with a background color.

<p align="center"> <img src="./Images/12.png" width="720"> </p>
let customToolbar = NSToolbar()
customToolbar.showsBaselineSeparator = false
window?.titlebarAppearsTransparent = true
window?.titleVisibility = .hidden
window?.backgroundColor = .red
window?.toolbar = customToolbar

14. Translucent toolbar

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

<p align="center"> <img src="./Images/13.png" width="720"> </p>
let customToolbar = NSToolbar()
window?.titleVisibility = .hidden
window?.styleMask.insert(.fullSizeContentView)
window?.contentView?.wantsLayer = true
window?.contentView?.layer?.contents = NSImage(named: NSImage.Name("Background"))
window?.toolbar = customToolbar

15. Translucent titlebar

Same as above with a titlebar instead of a toolbar.

<p align="center"> <img src="./Images/14.png" width="720"> </p>
window?.titleVisibility = .hidden
window?.styleMask.insert(.fullSizeContentView)
window?.contentView?.wantsLayer = true
window?.contentView?.layer?.contents = NSImage(named: NSImage.Name("Background"))

16. Transparent titlebar without title

Same as above with a transparent titlebar.

<p align="center"> <img src="./Images/15.png" width="720"> </p>
window?.titleVisibility = .hidden
window?.styleMask.insert(.fullSizeContentView)
window?.titlebarAppearsTransparent = true
window?.contentView?.wantsLayer = true
window?.contentView?.layer?.contents = NSImage(named: NSImage.Name("Background"))

17. macOS Mojave dark mode

The macOS Mojave dark mode appearance.

<p align="center"> <img src="./Images/16.png" width="720"> </p>
if #available(OSX 10.14, *) {
  window?.appearance = NSAppearance(named: .darkAqua)
}