In SwiftUI there are fixed frame and flexible frame modifiers. Fixed frame Positions this view within an invisible frame with the specified size. Use this method to specify a fixed size for a view’s width, height, or both. If you only specify one of the dimensions, the resulting view assumes this view’s sizing behavior in the other dimension. VStack {…

Use NSTextField with maximumNumberOfLines import AppKit import SwiftUI struct AttributedText: NSViewRepresentable { let attributedString: NSAttributedString init(_ attributedString: NSAttributedString) { self.attributedString = attributedString } func makeNSView(context: Context) -> NSTextField { let textField = NSTextField() textField.lineBreakMode = .byClipping textField.maximumNumberOfLines = 0 textField.isBordered = false

NSTextView has this handy method to make scrollable NSTextView NSTextView.scrollableTextView(). The solution is to get to the responder outside enclosing NSScrollView, in my case it is the SwiftUI hosting view …

Use @ViewBuilder to build dynamic content for our HUD. For blur effect, here I use NSVisualEffectView, but we can use .blur modifier also struct HUD<Content>: View where Content: View {…

With Xcode 12, we can fire up Instrument to profile our app. Select SwiftUI template There are many profiles in that template, I find SwiftUI and Time Profile very useful. Here’s the profile I run for my app PastePal SwiftUI View Body This shows how many instance of View with body invocation are…

@propertyWrapper struct UserDefault<Value> { let key: String let defaultValue: Value let container: UserDefaults = .standard var wrappedValue: Value {…