Specifies how a focus ring will be drawn.
- macOS 10.1+
Specifies how you want the focus ring to be drawn.
NSFocus to draw the focus ring over an image, use
NSFocus to draw the focus ring under text, and use
NSFocus if you don’t have an image or text. For the
NSFocus case, fills a shape to add the focus ring around the shape.
Note that the focus ring may actually be drawn outside the view but will be clipped to any clipping superview or the window content view.