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Call disconnectNotify() when disconnecting a QMetaObject::Connection

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In all other forms of disconnecting this is done. We also know the
signal index, so there is no reason not to do this.

Change-Id: Ic8b042cd8f45dbff74b42ee30c384a84bef78b20
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
This commit is contained in:
Ulf Hermann 2016-07-12 17:44:49 +02:00
parent ff11c363b1
commit 972580accd
2 changed files with 24 additions and 4 deletions
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5
src/corelib/kernel/qobject.cpp
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@ -4776,11 +4776,12 @@ bool QObject::disconnect(const QMetaObject::Connection &connection)
c->isSlotObject = false;
}
c->sender->disconnectNotify(QMetaObjectPrivate::signal(c->sender->metaObject(),
c->signal_index));
const_cast<QMetaObject::Connection &>(connection).d_ptr = 0;
c->deref(); // has been removed from the QMetaObject::Connection object
// disconnectNotify() not called (the signal index is unknown).
return true;
}

23
tests/auto/corelib/kernel/qobject/tst_qobject.cpp
View File

@ -66,6 +66,7 @@ private slots:
void connectDisconnectNotify();
void connectDisconnectNotifyPMF();
void disconnectNotify_receiverDestroyed();
void disconnectNotify_metaObjConnection();
void connectNotify_connectSlotsByName();
void connectDisconnectNotify_shadowing();
void emitInDefinedOrder();
@ -923,8 +924,7 @@ void tst_QObject::connectDisconnectNotifyPMF()
// Test disconnectNotify when disconnecting by QMetaObject::Connection
QVERIFY(QObject::disconnect(conn));
// disconnectNotify() is not called, but it probably should be.
QVERIFY(s->disconnectedSignals.isEmpty());
QVERIFY(!s->disconnectedSignals.isEmpty());
// Test connectNotify when connecting by function pointer
s->clearNotifications();
@ -969,6 +969,25 @@ void tst_QObject::disconnectNotify_receiverDestroyed()
delete s;
}
void tst_QObject::disconnectNotify_metaObjConnection()
{
NotifyObject *s = new NotifyObject;
NotifyObject *r = new NotifyObject;
QMetaObject::Connection c = QObject::connect((SenderObject*)s, SIGNAL(signal1()),
(ReceiverObject*)r, SLOT(slot1()));
QVERIFY(c);
QVERIFY(QObject::disconnect(c));
QCOMPARE(s->disconnectedSignals.count(), 1);
QCOMPARE(s->disconnectedSignals.at(0), QMetaMethod::fromSignal(&SenderObject::signal1));
delete r;
QCOMPARE(s->disconnectedSignals.count(), 1);
delete s;
}
class ConnectByNameNotifySenderObject : public QObject
{
Q_OBJECT