From 9892ab9b2621eaa16dc005bdb5fcf250d1dce898 Mon Sep 17 00:00:00 2001
From: Tobias Melcher <tobias.melcher@sap.com>
Date: Sun, 24 Nov 2024 18:15:01 +0100
Subject: [PATCH] don't modify topIndex in handleTextChanged if control has not
 the focus

---
 .../common/org/eclipse/swt/custom/StyledText.java               | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/StyledText.java b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/StyledText.java
index c0c6c7e1e72..a37328c41ff 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/StyledText.java	
+++ b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/StyledText.java	
@@ -6046,7 +6046,7 @@ void handleTextChanged(TextChangedEvent event) {
 	}
 	int firstLine = content.getLineAtOffset(lastTextChangeStart);
 	resetCache(firstLine, 0);
-	if (!isFixedLineHeight() && topIndex > firstLine) {
+	if (!isFixedLineHeight() && isFocusControl() && topIndex > firstLine) {
 		topIndex = firstLine;
 		if (topIndex < 0) {
 			// TODO: This logging is in place to determine why topIndex is getting set to negative values.