Added syntax highlighting conf textview

Signed-off-by: Eric Kuck <eric@bluelinelabs.com>

1 files changed, 57 insertions, 0 deletions

diff --git a/WireGuard/WireGuard/UI/macOS/View/ConfTextView.swift b/WireGuard/WireGuard/UI/macOS/View/ConfTextView.swift
new file mode 100644
index 0000000..8526e6c
--- /dev/null
+++ b/WireGuard/WireGuard/UI/macOS/View/ConfTextView.swift
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: MIT
+// Copyright © 2018 WireGuard LLC. All Rights Reserved.
+
+import Cocoa
+
+class ConfTextView: NSTextView {
+
+    private let confTextStorage = ConfTextStorage()
+
+    var hasError: Bool { return confTextStorage.hasError }
+
+    override var string: String {
+        didSet {
+            confTextStorage.highlightSyntax()
+        }
+    }
+
+    init() {
+        let textContainer = NSTextContainer()
+        let layoutManager = NSLayoutManager()
+        layoutManager.addTextContainer(textContainer)
+        confTextStorage.addLayoutManager(layoutManager)
+        super.init(frame: CGRect(x: 0, y: 0, width: 1, height: 60), textContainer: textContainer)
+        font = confTextStorage.defaultFont
+        updateTheme()
+        delegate = self
+    }
+
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func viewDidChangeEffectiveAppearance() {
+        updateTheme()
+    }
+
+    private func updateTheme() {
+        let theme: ConfTextStorage.TextColorTheme
+        switch effectiveAppearance.bestMatch(from: [.aqua, .darkAqua]) ?? .aqua {
+        case .darkAqua:
+            theme = ConfTextStorage.TextColorTheme(black: NSColor(hex: "#c7c7c7"), red: NSColor(hex: "#dc322f"), green: NSColor(hex: "#859900"), yellow: NSColor(hex: "#c7c400"), blue: NSColor(hex: "#268bd2"), magenta: NSColor(hex: "#d33682"), cyan: NSColor(hex: "#2aa198"), white: NSColor(hex: "#383838"), default: NSColor(hex: "#c7c7c7"))
+        default:
+            theme = ConfTextStorage.TextColorTheme(black: NSColor(hex: "#000000"), red: NSColor(hex: "#c91b00"), green: NSColor(hex: "#00c200"), yellow: NSColor(hex: "#c7c400"), blue: NSColor(hex: "#0225c7"), magenta: NSColor(hex: "#c930c7"), cyan: NSColor(hex: "#00c5c7"), white: NSColor(hex: "#c7c7c7"), default: NSColor(hex: "#000000"))
+        }
+        confTextStorage.updateAttributes(for: theme)
+    }
+
+}
+
+extension ConfTextView: NSTextViewDelegate {
+
+    func textDidChange(_ notification: Notification) {
+        confTextStorage.highlightSyntax()
+        needsDisplay = true
+    }
+
+}