diff options
| -rw-r--r-- | src/corelib/kernel/qobject.cpp | 7 | ||||
| -rw-r--r-- | src/gui/graphicsview/qgraphicsitem.cpp | 2 | ||||
| -rw-r--r-- | tests/auto/qgraphicsobject/tst_qgraphicsobject.cpp | 42 |
3 files changed, 44 insertions, 7 deletions
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp index 7be19b3..5303975 100644 --- a/src/corelib/kernel/qobject.cpp +++ b/src/corelib/kernel/qobject.cpp @@ -835,14 +835,7 @@ QObject::QObject(QObjectPrivate &dd, QObject *parent) QObject::~QObject() { Q_D(QObject); - if (d->wasDeleted) { -#if defined(QT_DEBUG) - qWarning("QObject: Double deletion detected"); -#endif - return; - } d->wasDeleted = true; - d->blockSig = 0; // unblock signals so we always emit destroyed() if (!d->isWidget) { diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp index ad672a3..2e68d3e 100644 --- a/src/gui/graphicsview/qgraphicsitem.cpp +++ b/src/gui/graphicsview/qgraphicsitem.cpp @@ -1286,6 +1286,8 @@ QGraphicsItem::QGraphicsItem(QGraphicsItemPrivate &dd, QGraphicsItem *parent, */ QGraphicsItem::~QGraphicsItem() { + if (d_ptr->isObject) + QObjectPrivate::get(static_cast<QGraphicsObject *>(this))->wasDeleted = true; d_ptr->inDestructor = 1; d_ptr->removeExtraItemCache(); diff --git a/tests/auto/qgraphicsobject/tst_qgraphicsobject.cpp b/tests/auto/qgraphicsobject/tst_qgraphicsobject.cpp index a9fd55a..194665d 100644 --- a/tests/auto/qgraphicsobject/tst_qgraphicsobject.cpp +++ b/tests/auto/qgraphicsobject/tst_qgraphicsobject.cpp @@ -46,6 +46,7 @@ #include <qgraphicssceneevent.h> #include <qgraphicsview.h> #include <qstyleoption.h> +#include <private/qobject_p.h> #include "../../shared/util.h" class tst_QGraphicsObject : public QObject { @@ -65,6 +66,7 @@ private slots: void opacity(); void enabled(); void visible(); + void deleted(); }; @@ -249,6 +251,46 @@ void tst_QGraphicsObject::visible() QVERIFY(object.property("visible") == true); } +class DeleteTester : public QGraphicsObject +{ +public: + DeleteTester(bool *w, bool *pw, QGraphicsItem *parent = 0) + : QGraphicsObject(parent), wasDeleted(w), parentWasDeleted(pw) + { } + + ~DeleteTester() + { + *wasDeleted = QObjectPrivate::get(this)->wasDeleted; + if (QGraphicsItem *p = parentItem()) { + if (QGraphicsObject *o = p->toGraphicsObject()) + *parentWasDeleted = QObjectPrivate::get(o)->wasDeleted; + } + } + + void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget * = 0) + { } + QRectF boundingRect() const + { return QRectF(); } + + bool *wasDeleted; + bool *parentWasDeleted; +}; + +void tst_QGraphicsObject::deleted() +{ + bool item1_parentWasDeleted = false; + bool item1_wasDeleted = false; + bool item2_parentWasDeleted = false; + bool item2_wasDeleted = false; + DeleteTester *item1 = new DeleteTester(&item1_wasDeleted, &item1_parentWasDeleted); + DeleteTester *item2 = new DeleteTester(&item2_wasDeleted, &item2_parentWasDeleted, item1); + delete item1; + + QVERIFY(!item1_wasDeleted); // destructor not called yet + QVERIFY(!item1_parentWasDeleted); // no parent + QVERIFY(!item2_wasDeleted); // destructor not called yet + QVERIFY(item2_parentWasDeleted); +} QTEST_MAIN(tst_QGraphicsObject) #include "tst_qgraphicsobject.moc" |