minor improvements

src/controls/QskSkinlet.cpp

@@ -261,10 +261,8 @@ void QskSkinlet::updateNode( QskSkinnable* skinnable, QSGNode* parentNode ) cons
         replaceChildNode( DebugRole, parentNode, oldNode, newNode );
     }
 
-    for ( int i = 0; i < m_data->nodeRoles.size(); i++ )
+    for ( const auto nodeRole : m_data->nodeRoles )
     {
-        const auto nodeRole = m_data->nodeRoles[ i ];
-
         Q_ASSERT( nodeRole < FirstReservedRole );
 
         oldNode = QskSGNode::findChildNode( parentNode, nodeRole );

src/nodes/QskSGNode.cpp

@@ -69,6 +69,23 @@ static void qskInsertChildSorted( QSGNode* parent, QSGNode* child,
         parent->prependChildNode( child );
 }
 
+void QskSGNode::setParentNode( QSGNode* node, QSGNode* parent )
+{
+    if ( node )
+    {
+        auto oldParent = node->parent();
+
+        if ( oldParent != parent )
+        {
+            if ( oldParent )
+                oldParent->removeChildNode( node );
+
+            if ( parent )
+                parent->appendChildNode( node );
+        }
+    }
+}
+
 QSGNode* QskSGNode::findChildNode( QSGNode* parent, quint8 role )
 {
     auto node = parent->firstChild();

src/nodes/QskSGNode.h

@@ -55,6 +55,8 @@ namespace QskSGNode
     // including child
     QSK_EXPORT void removeAllChildNodesFrom( QSGNode* parent, QSGNode* child );
 
+    QSK_EXPORT void setParentNode( QSGNode* child, QSGNode* parent );
+
     template< typename Node >
     inline Node* createNode( quint8 role )
     {