From fe94c28193e1eeb971f8b0c0c59a8f130624798f Mon Sep 17 00:00:00 2001
From: Olaf Wintermann <olaf.wintermann@gmail.com>
Date: Sat, 30 May 2026 20:55:57 +0200
Subject: [PATCH] fix EventData C string conversion

---
 ui-java/src/main/java/de/unixwork/ui/Event.java | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/ui-java/src/main/java/de/unixwork/ui/Event.java b/ui-java/src/main/java/de/unixwork/ui/Event.java
index e7db033..d7a63e9 100644
--- a/ui-java/src/main/java/de/unixwork/ui/Event.java
+++ b/ui-java/src/main/java/de/unixwork/ui/Event.java
@@ -44,7 +44,13 @@ public class Event {
             if(eventDataPtr.address() != 0) {
                 switch(eventDataType) {
                     case EventDataType.STRING: {
-                        eventData = eventDataPtr.getString(0);
+                        if (eventDataPtr.address() == 0) {
+                            eventData = "";
+                        } else {
+                            long length = (long)ui.strlen.invoke(eventDataPtr);
+                            eventDataPtr = eventDataPtr.reinterpret(length+1);
+                            eventData = eventDataPtr.getString(0);
+                        }
                         break;
                     }
                     case EventDataType.SUBLIST: {
-- 
2.47.3