Crash-Haertung: Delegat bei Programm-Sets abhaengen, send()-Pointer safe, Doku

2026-09-21 23:52:23 +02:00
parent ed6e96b3c1
commit 69f9e9952c
3 changed files with 27 additions and 4 deletions
@@ -38,10 +38,19 @@ struct TerminalInputField: NSViewRepresentable {

    func updateNSView(_ view: NSView, context: Context) {
        context.coordinator.onSubmit = onSubmit
-        if let f = view as? NSTextField, f.stringValue != text {
-            f.stringValue = text
+        // Delegat während Programm-Sets abhängen: sonst feuert textDidChange synchron
+        // zurück ins SwiftUI-State — mitten im Render -> Crash ("Modifying state
+        // during view update"). User-Tippen läuft weiter über den Delegaten.
+        if let f = view as? NSTextField {
+            if f.stringValue != text {
+                f.delegate = nil
+                f.stringValue = text
+                f.delegate = context.coordinator
+            }
        } else if let tv = view as? NSTextView, tv.string != text {
+            tv.delegate = nil
            tv.string = text
+            tv.delegate = context.coordinator
        }
    }