1 files changed, 11 insertions, 7 deletions
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index 2a53456..182a3f5 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -569,14 +569,10 @@ void QGraphicsScenePrivate::removeItemHelper(QGraphicsItem *item)
 
     item->d_ptr->clearSubFocus();
 
-    if (!item->d_ptr->inDestructor && item == tabFocusFirst) {
-        QGraphicsWidget *widget = static_cast<QGraphicsWidget *>(item);
-        widget->d_func()->fixFocusChainBeforeReparenting(0, 0);
-    }
-
     if (item->flags() & QGraphicsItem::ItemSendsScenePositionChanges)
         unregisterScenePosItem(item);
 
+    QGraphicsScene *oldScene = item->d_func()->scene;
     item->d_func()->scene = 0;
 
     //We need to remove all children first because they might use their parent
@@ -587,6 +583,11 @@ void QGraphicsScenePrivate::removeItemHelper(QGraphicsItem *item)
             q->removeItem(item->d_ptr->children.at(i));
     }
 
+    if (!item->d_ptr->inDestructor && item == tabFocusFirst) {
+        QGraphicsWidget *widget = static_cast<QGraphicsWidget *>(item);
+        widget->d_func()->fixFocusChainBeforeReparenting(0, oldScene, 0);
+    }
+
     // Unregister focus proxy.
     item->d_ptr->resetFocusProxy();
 
@@ -4670,10 +4671,13 @@ void QGraphicsScenePrivate::drawSubtreeRecursive(QGraphicsItem *item, QPainter *
             painter->setWorldTransform(*transformPtr);
         painter->setOpacity(opacity);
 
-        if (sourced->lastEffectTransform != painter->worldTransform()) {
+        if (sourced->currentCachedSystem() != Qt::LogicalCoordinates
+            && sourced->lastEffectTransform != painter->worldTransform())
+        {
             sourced->lastEffectTransform = painter->worldTransform();
-            sourced->invalidateCache();
+            sourced->invalidateCache(QGraphicsEffectSourcePrivate::TransformChanged);
         }
+
         item->d_ptr->graphicsEffect->draw(painter);
         painter->setWorldTransform(restoreTransform);
         sourced->info = 0;