Implement initial NativeMacReceiverSelector

app/NativeMacReceiverSelector/ReceiverView.swift

@@ -0,0 +1,79 @@
+import Cocoa
+
+protocol ReceiverViewDelegate: AnyObject {
+    func didCast (_ receiver: Receiver)
+}
+
+class ReceiverView: NSStackView {
+    weak var receiverViewDelegate: ReceiverViewDelegate?
+
+    var receiver: Receiver!
+    var constraintsSet = false
+
+
+    override init (frame: CGRect) {
+        super.init(frame: frame)
+    }
+    required init? (coder: NSCoder) {
+        super.init(coder: coder)
+    }
+
+    init (receiver: Receiver) {
+        super.init(frame: CGRect(x: 0, y: 0, width: 0, height: 0))
+
+        self.receiver = receiver
+
+        let metaStackView = NSStackView(views: [
+            makeLabel(receiver.friendlyName, size: 14)
+          , makeLabel("\(receiver.host):\(receiver.port)"
+                  , size: NSFont.smallSystemFontSize
+                  , color: .secondaryLabelColor)
+        ])
+
+        metaStackView.alignment = .leading
+        metaStackView.orientation = .vertical
+        metaStackView.spacing = 4
+
+
+        let castButton = WideButton(
+                title: "Cast"
+              , target: self
+              , action: #selector(ReceiverView.onCast))
+
+        castButton.bezelStyle = .rounded
+
+
+        self.addArrangedSubview(metaStackView)
+        self.addArrangedSubview(castButton)
+        self.distribution = .fill
+    }
+
+    override func updateConstraints () {
+        super.updateConstraints()
+
+        if !constraintsSet {
+            self.translatesAutoresizingMaskIntoConstraints = false
+            self.leadingAnchor.constraint(equalTo: superview!.leadingAnchor, constant: 8).isActive = true
+            self.trailingAnchor.constraint(equalTo: superview!.trailingAnchor, constant: -8).isActive = true
+
+            constraintsSet = true
+        }
+    }
+
+    @objc
+    func onCast () {
+        self.receiverViewDelegate?.didCast(self.receiver)
+    }
+}
+
+
+class WideButton: NSButton {
+    override var intrinsicContentSize: NSSize {
+        var size = super.intrinsicContentSize
+        if size.width < 100 {
+            size.width = 100
+        }
+
+        return size
+    }
+}