We don't need to call two times itemChange when an item is deleted.

Previously we were calling two times itemChange on the parent to give
QGraphicsItem::ItemChildAddedChange. We don't need that. One is enough.

BT : yes
Task-number: BT
Reviewed-by: Andreas
(cherry picked from commit 95b7c50e503dd4743e22c35f341aa31105ea7d73)

2 files changed, 35 insertions, 6 deletions

diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index e946f0f..5cd69b3 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -697,12 +697,6 @@ void QGraphicsScenePrivate::_q_removeItemLater(QGraphicsItem *item)
 {
     Q_Q(QGraphicsScene);
 
-    if (QGraphicsItem *parent = item->d_func()->parent) {
-        parent->itemChange(QGraphicsItem::ItemChildRemovedChange,
-                           qVariantFromValue<QGraphicsItem *>(item));
-        parent->d_func()->children.removeAll(item);
-    }
-
     // Clear focus on the item to remove any reference in the focusWidget
     // chain.
     item->clearFocus();
diff --git a/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp b/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp
index ef84f50..2d221f9 100644
--- a/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp
+++ b/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp
@@ -3658,6 +3658,8 @@ void tst_QGraphicsItem::defaultItemTest_QGraphicsEllipseItem()
 class ItemChangeTester : public QGraphicsRectItem
 {
 public:
+    ItemChangeTester(){}
+    ItemChangeTester(QGraphicsItem *parent) : QGraphicsRectItem(parent) {}
     QVariant itemChangeReturnValue;
     QGraphicsScene *itemSceneChangeTargetScene;
 
@@ -3932,6 +3934,39 @@ void tst_QGraphicsItem::itemChange()
         QCOMPARE(tester.changes.size(), ++changeCount);
         QCOMPARE(tester.changes.last(), QGraphicsItem::ItemChildRemovedChange);
         QCOMPARE(qVariantValue<QGraphicsItem *>(tester.values.last()), (QGraphicsItem *)&testerHelper);
+
+        // ItemChildRemovedChange 1
+        ItemChangeTester *test = new ItemChangeTester;
+        test->itemSceneChangeTargetScene = 0;
+        int count = 0;
+        QGraphicsScene *scene = new QGraphicsScene;
+        scene->addItem(test);
+        count = test->changes.size();
+        //We test here the fact that when a child is deleted the parent receive only one ItemChildRemovedChange
+        QGraphicsRectItem *child = new QGraphicsRectItem(test);
+        //We received ItemChildAddedChange
+        QCOMPARE(test->changes.size(), ++count);
+        QCOMPARE(test->changes.last(), QGraphicsItem::ItemChildAddedChange);
+        delete child;
+        child = 0;
+        QCOMPARE(test->changes.size(), ++count);
+        QCOMPARE(test->changes.last(), QGraphicsItem::ItemChildRemovedChange);
+
+        ItemChangeTester *childTester = new ItemChangeTester(test);
+        //Changes contains all sceneHasChanged and so on, we don't want to test that
+        int childCount = childTester->changes.size();
+        //We received ItemChildAddedChange
+        QCOMPARE(test->changes.size(), ++count);
+        child = new QGraphicsRectItem(childTester);
+        //We received ItemChildAddedChange
+        QCOMPARE(childTester->changes.size(), ++childCount);
+        QCOMPARE(childTester->changes.last(), QGraphicsItem::ItemChildAddedChange);
+        //Delete the child of the top level with all its children
+        delete childTester;
+        //Only one removal
+        QCOMPARE(test->changes.size(), ++count);
+        QCOMPARE(test->changes.last(), QGraphicsItem::ItemChildRemovedChange);
+        delete scene;
     }
     {
         // ItemChildRemovedChange 2