[graphics/drawy/gsoc2026] src/gui/item: fix: bug with serializing ListStyleUndefined

Git commit a2cea631bebebd000c8342b5ccc29e12a90d5496 by Laurent Montel, on behalf of Abdelhadi Wael.
Committed on 06/08/2026 at 09:10.
Pushed by mlaurent into branch 'gsoc2026'.

fix: bug with serializing ListStyleUndefined

M  +13   -3    src/gui/item/text.cpp

https://invent.kde.org/graphics/drawy/-/commit/a2cea631bebebd000c8342b5ccc29e12a90d5496

diff --git a/src/gui/item/text.cpp b/src/gui/item/text.cpp
index 84c13d22..50b65282 100644
--- a/src/gui/item/text.cpp
+++ b/src/gui/item/text.cpp
@@ -606,9 +606,19 @@ void TextItem::setProperty(const Property::Type propertyType, const Property new
         blockFmt.setIndent(0);
 
         cursor.mergeBlockFormat(blockFmt);
-        QTextListFormat listFmt;
-        listFmt.setStyle(style);
-        cursor.createList(listFmt);
+        if (style != QTextListFormat::ListStyleUndefined) {
+            QTextListFormat listFmt;
+            listFmt.setStyle(style);
+            cursor.createList(listFmt);
+        } else {
+            QTextBlock block = m_document.firstBlock();
+            while (block.isValid()) {
+                if (QTextList *list = block.textList()) {
+                    list->remove(block);
+                }
+                block = block.next();
+            }
+        }
         cursor.mergeBlockCharFormat(cursor.charFormat());
         break;
     }