Fix autotest failure in qgraphicsitem.

When autofocused child is deleted, remove from ancestors to avoid double
deletion crash.
Check for null receiver when auto SIP is enabled in mouseReleaseEvent

1 files changed, 24 insertions, 0 deletions

diff --git a/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp b/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp
index 558688f4e2..892e1823d8 100644
--- a/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp
+++ b/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp
@@ -160,6 +160,7 @@ public slots:
     void init();
 
 private slots:
+    void explicitDeleteAutoFocusProxy();
     void construction();
     void constructionWithParent();
     void destruction();
@@ -7516,5 +7517,28 @@ void tst_QGraphicsItem::reverseCreateAutoFocusProxy()
     QVERIFY(text2->hasFocus());
 }
 
+void tst_QGraphicsItem::explicitDeleteAutoFocusProxy()
+{
+    QGraphicsTextItem *text = new QGraphicsTextItem;
+    text->setTextInteractionFlags(Qt::TextEditorInteraction);
+    text->setFlag(QGraphicsItem::ItemAutoDetectsFocusProxy);
+
+    QGraphicsTextItem *text2 = new QGraphicsTextItem;
+    text2->setTextInteractionFlags(Qt::TextEditorInteraction);
+    text2->setFocus();
+    QVERIFY(!text2->hasFocus());
+    QCOMPARE(text->focusProxy(), (QGraphicsItem *)0);
+    text2->setParentItem(text);
+    QCOMPARE(text->focusProxy(), (QGraphicsItem *)text2);
+    QCOMPARE(text->focusItem(), (QGraphicsItem *)text2);
+
+    QGraphicsScene scene;
+    scene.addItem(text);
+    QVERIFY(text2->hasFocus());
+
+    delete text2;
+    QCOMPARE(text->focusProxy(), (QGraphicsItem *)0);
+}
+
 QTEST_MAIN(tst_QGraphicsItem)
 #include "tst_qgraphicsitem.moc"