initial commit

Cheetah/Views/NSTextFieldWrapper.swift

@@ -0,0 +1,53 @@
+import SwiftUI
+import AppKit
+
+class CustomNSTextField: RSHeightHuggingTextField {
+    var onSelectedRangesChanged: ((NSRange?) -> Void)?
+    
+    @objc func textViewDidChangeSelection(_ notification: NSNotification) {
+        onSelectedRangesChanged?(currentEditor()?.selectedRange)
+    }
+}
+
+struct NSTextFieldWrapper: NSViewRepresentable {
+    @Binding var text: String
+    @Binding var selectedRange: NSRange
+
+    func makeCoordinator() -> Coordinator {
+        Coordinator(self)
+    }
+
+    func makeNSView(context: Context) -> CustomNSTextField {
+        let textField = CustomNSTextField(frame: NSRect())
+        textField.isBezeled = false
+        textField.isEditable = false
+        textField.isSelectable = true
+        textField.drawsBackground = false
+        textField.delegate = context.coordinator
+        textField.onSelectedRangesChanged = { range in
+            if let range = range {
+                DispatchQueue.main.async {
+                    self.selectedRange = range
+                }
+            }
+        }
+        return textField
+    }
+
+    func updateNSView(_ nsView: CustomNSTextField, context: Context) {
+        nsView.stringValue = text
+    }
+
+    class Coordinator: NSObject, NSTextFieldDelegate {
+        var parent: NSTextFieldWrapper
+
+        init(_ textField: NSTextFieldWrapper) {
+            self.parent = textField
+        }
+
+        func controlTextDidChange(_ obj: Notification) {
+            guard let textField = obj.object as? NSTextField else { return }
+            self.parent.text = textField.stringValue
+        }
+    }
+}