macOS: Support for on-demand activation

Signed-off-by: Roopesh Chander <roop@roopc.net>

1 files changed, 75 insertions, 0 deletions

diff --git a/WireGuard/WireGuard/UI/macOS/View/PopupRow.swift b/WireGuard/WireGuard/UI/macOS/View/PopupRow.swift
new file mode 100644
index 0000000..2ef55f5
--- /dev/null
+++ b/WireGuard/WireGuard/UI/macOS/View/PopupRow.swift
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: MIT
+// Copyright © 2018 WireGuard LLC. All Rights Reserved.
+
+import Cocoa
+
+class PopupRow: NSView {
+    let keyLabel: NSTextField = {
+        let keyLabel = NSTextField()
+        keyLabel.isEditable = false
+        keyLabel.isSelectable = false
+        keyLabel.isBordered = false
+        keyLabel.alignment = .right
+        keyLabel.maximumNumberOfLines = 1
+        keyLabel.lineBreakMode = .byTruncatingTail
+        keyLabel.backgroundColor = .clear
+        return keyLabel
+    }()
+
+    let valuePopup = NSPopUpButton()
+
+    var key: String {
+        get { return keyLabel.stringValue }
+        set(value) { keyLabel.stringValue = value }
+    }
+
+    var valueOptions: [String] {
+        get { return valuePopup.itemTitles }
+        set(value) {
+            valuePopup.removeAllItems()
+            valuePopup.addItems(withTitles: value)
+        }
+    }
+
+    var selectedOptionIndex: Int {
+        get { return valuePopup.indexOfSelectedItem }
+        set(value) { valuePopup.selectItem(at: value) }
+    }
+
+    override var intrinsicContentSize: NSSize {
+        let height = max(keyLabel.intrinsicContentSize.height, valuePopup.intrinsicContentSize.height)
+        return NSSize(width: NSView.noIntrinsicMetric, height: height)
+    }
+
+    init() {
+        super.init(frame: CGRect.zero)
+
+        addSubview(keyLabel)
+        addSubview(valuePopup)
+        keyLabel.translatesAutoresizingMaskIntoConstraints = false
+        valuePopup.translatesAutoresizingMaskIntoConstraints = false
+
+        NSLayoutConstraint.activate([
+            keyLabel.centerYAnchor.constraint(equalTo: self.centerYAnchor),
+            keyLabel.firstBaselineAnchor.constraint(equalTo: valuePopup.firstBaselineAnchor),
+            self.leadingAnchor.constraint(equalTo: keyLabel.leadingAnchor),
+            keyLabel.trailingAnchor.constraint(equalTo: valuePopup.leadingAnchor, constant: -5)
+        ])
+
+        keyLabel.setContentCompressionResistancePriority(.defaultHigh + 2, for: .horizontal)
+        keyLabel.setContentHuggingPriority(.defaultHigh, for: .horizontal)
+
+        let widthConstraint = keyLabel.widthAnchor.constraint(equalToConstant: 150)
+        widthConstraint.priority = .defaultHigh + 1
+        widthConstraint.isActive = true
+    }
+
+    required init?(coder decoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func prepareForReuse() {
+        key = ""
+        valueOptions = []
+    }
+}