QmlDesigner.NodeInstances: Item with content are selectable

If a list view for example has content it is now selectable too.

Task-number: QTCREATORBUG-5476
Change-Id: Ifb0902edcda064e488337c94fc4e575994da3ef1
Reviewed-on: http://codereview.qt.nokia.com/1786
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@nokia.com>

share/qtcreator/qml/qmlpuppet/qmlpuppet/instances/graphicsobjectnodeinstance.cpp

@@ -34,6 +34,8 @@
 
 #include <QGraphicsObject>
 #include "private/qgraphicsitem_p.h"
+#include <private/qdeclarativemetatype_p.h>
+
 #include <QStyleOptionGraphicsItem>
 #include <QPixmap>
 #include <QSizeF>
@@ -57,9 +59,28 @@ QGraphicsObject *GraphicsObjectNodeInstance::graphicsObject() const
     return static_cast<QGraphicsObject*>(object());
 }
 
+bool GraphicsObjectNodeInstance::childrenHasContent(QGraphicsItem *graphicsItem) const
+{
+    QGraphicsObject *graphicsObject = graphicsItem->toGraphicsObject();
+
+    if (graphicsObject && !nodeInstanceServer()->hasInstanceForObject(graphicsObject) && !graphicsItem->flags().testFlag(QGraphicsItem::ItemHasNoContents))
+        return true;
+
+    foreach (QGraphicsItem *childItem, graphicsItem->childItems()) {
+        bool childHasContent = childrenHasContent(childItem);
+        if (childHasContent)
+            return true;
+    }
+
+    return false;
+}
+
 bool GraphicsObjectNodeInstance::hasContent() const
 {
-    return m_hasContent;
+    if (m_hasContent)
+        return true;
+
+    return childrenHasContent(graphicsObject());
 }
 
 QList<ServerNodeInstance> GraphicsObjectNodeInstance::childItems() const

share/qtcreator/qml/qmlpuppet/qmlpuppet/instances/graphicsobjectnodeinstance.h

@@ -88,7 +88,7 @@ protected:
     QGraphicsObject *graphicsObject() const;
     void paintRecursively(QGraphicsItem *graphicsItem, QPainter *painter) const;
     QRectF boundingRectWithStepChilds(QGraphicsItem *parentItem) const;
-
+    bool childrenHasContent(QGraphicsItem *graphicsItem) const;
 
 private: // variables
     bool m_hasContent;