Use invalid index as root index

When emitting the rowsInserted signal for top-level items, use an invalid
QModelIndex as parent.

Approved by Renato Araujo Oliveira Filho, PS Jenkins bot.

1 files changed, 3 insertions, 0 deletions

diff --git a/libqmenumodel/src/qmenumodel.cpp b/libqmenumodel/src/qmenumodel.cpp
index 5faeb43..9bc9e02 100644
--- a/libqmenumodel/src/qmenumodel.cpp
+++ b/libqmenumodel/src/qmenumodel.cpp
@@ -252,6 +252,9 @@ void QMenuModel::onItemsChanged(MenuNode *node,
 /*! \internal */
 QModelIndex QMenuModel::indexFromNode(MenuNode *node) const
 {
+    if (node == m_root) {
+        return QModelIndex();
+    }
     return createIndex(node->position(), 0, node);
 }