1 files changed, 71 insertions, 0 deletions
diff --git a/Map/Views/MapTextEditor.swift b/Map/Views/MapTextEditor.swift
new file mode 100644
index 0000000..7251c59
--- /dev/null
+++ b/Map/Views/MapTextEditor.swift
@@ -0,0 +1,71 @@
+import Cocoa
+import SwiftUI
+
+class MapTextEditorController: NSViewController {
+
+  @Binding var text: String
+
+  init(text: Binding<String>) {
+    self._text = text
+    super.init(nibName: nil, bundle: nil)
+  }
+
+  required init?(coder: NSCoder) {
+    fatalError("init(coder:) has not been implemented")
+  }
+
+  override func loadView() {
+    let scrollView = NSTextView.scrollableTextView()
+    let textView = scrollView.documentView as! NSTextView
+
+    scrollView.translatesAutoresizingMaskIntoConstraints = false
+
+    textView.delegate = self
+    textView.string = self.text
+    textView.isEditable = true
+    textView.font = .monospacedSystemFont(ofSize: 16.0, weight: .regular)
+    self.view = scrollView
+  }
+
+  override func viewDidAppear() {
+    self.view.window?.makeFirstResponder(self.view)
+  }
+}
+
+extension MapTextEditorController: NSTextViewDelegate {
+
+  func textDidChange(_ obj: Notification) {
+    if let textField = obj.object as? NSTextView {
+      self.text = textField.string
+    }
+  }
+
+  func textView(_ view: NSTextView, shouldChangeTextIn: NSRange, replacementString: String?) -> Bool
+  {
+    let range = Range(shouldChangeTextIn, in: view.string)
+    let target = view.string[range!]
+
+    if target == "--" {
+      return false
+    }
+
+    return true
+  }
+}
+
+struct MapTextEditor: NSViewControllerRepresentable {
+
+  @Binding var text: String
+
+  func makeNSViewController(
+    context: NSViewControllerRepresentableContext<MapTextEditor>
+  ) -> MapTextEditorController {
+    return MapTextEditorController(text: $text)
+  }
+
+  func updateNSViewController(
+    _ nsViewController: MapTextEditorController,
+    context: NSViewControllerRepresentableContext<MapTextEditor>
+  ) {
+  }
+}