Disable Scrolling in NSScrollView

A2Mac/DisplayScrollView.swift

@@ -0,0 +1,58 @@
+//
+//  DisplayScrollView.swift
+//  A2Mac
+//
+//  Created by Tamas Rudnai on 11/10/21.
+//  Copyright © 2021 GameAlloy. All rights reserved.
+//
+
+import Foundation
+import Cocoa
+
+class DisplayScrollView : NSScrollView {
+    
+    var scrollEnabled = false
+    
+    override func scrollWheel(with event: NSEvent) {
+        if scrollEnabled {
+            super.scrollWheel(with: event)
+        }
+    }
+    
+    override func scrollPageUp(_ sender: Any?) {
+        if scrollEnabled {
+            super.scrollPageUp(sender)
+        }
+    }
+    override func scrollLineUp(_ sender: Any?) {
+        if scrollEnabled {
+            super.scrollLineUp(sender)
+        }
+    }
+    override func scrollPageDown(_ sender: Any?) {
+        if scrollEnabled {
+            super.scrollPageDown(sender)
+        }
+    }
+    override func scrollLineDown(_ sender: Any?) {
+        if scrollEnabled {
+            super.scrollLineDown(sender)
+        }
+    }
+    override func scrollToBeginningOfDocument(_ sender: Any?) {
+        if scrollEnabled {
+            super.scrollToBeginningOfDocument(sender)
+        }
+    }
+    override func scrollToEndOfDocument(_ sender: Any?) {
+        if scrollEnabled {
+            super.scrollToEndOfDocument(sender)
+        }
+    }
+    override func scroll(_ point: NSPoint) {
+        if scrollEnabled {
+            super.scroll(point)
+        }
+    }
+
+}