Update view when value in text binding changes

Author: johannesd

Sources/CodeEditSourceEditor/SourceEditor/SourceEditor.swift

@@ -155,6 +155,13 @@ public struct SourceEditor: NSViewControllerRepresentable {
         controller.configuration = configuration
         updateHighlighting(controller, coordinator: context.coordinator)
 
+        switch text {
+        case .storage:
+            break
+        case let .binding(text):
+            controller.textView.setText(text.wrappedValue)
+        }
+
         controller.reloadUI()
         return
     }
@@ -204,9 +211,17 @@ public struct SourceEditor: NSViewControllerRepresentable {
     /// - Parameter controller: The controller to check.
     /// - Returns: True, if the controller's parameters should be updated.
     func paramsAreEqual(controller: NSViewControllerType, coordinator: Coordinator) -> Bool {
-        controller.language.id == language.id &&
-        controller.configuration == configuration &&
-        areHighlightProvidersEqual(controller: controller, coordinator: coordinator)
+        if controller.language.id != language.id ||
+            controller.configuration != configuration ||
+            !areHighlightProvidersEqual(controller: controller, coordinator: coordinator) {
+            return false
+        }
+        switch text {
+        case .storage:
+            return true
+        case let .binding(text):
+            return controller.text == text.wrappedValue
+        }
     }
 
     private func areHighlightProvidersEqual(controller: TextViewController, coordinator: Coordinator) -> Bool {