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QObject: Check for declarative signals in isSignalConnected 

Amends a952fd7d5b.

The mentioned commit started to skip QObjectPrivate::isSignalConnected() call if
the connectionLists are dirty, which lead to tst_qqmllanguage::receivers() test
inside qtdeclarative breaking.

Declarative signals were not checked if that function was not called. It
previously also wasn't called for signals higher than 64. Fix that by checking
for declarative signals after the connectionLists search is unsuccessful.

Fixes: QTBUG-71550
Change-Id: Ifcb5fdd0dc9a6b14b9f448a016fd09356a55b985
Reviewed-by: Liang Qi <liang.qi@qt.io>
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
bb10
Kari Oikarinen 2018-11-06 15:14:44 +02:00 committed by Liang Qi
parent 2569ac2857
commit b971310e2d
1 changed files with 12 additions and 13 deletions
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25
src/corelib/kernel/qobject.cpp
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@ -2513,22 +2513,21 @@ bool QObject::isSignalConnected(const QMetaMethod &signal) const
signalIndex += QMetaObjectPrivate::signalOffset(signal.mobj);
QMutexLocker locker(signalSlotLock(this));
if (!d->connectionLists)
return false;
if (d->connectionLists) {
if (signalIndex < sizeof(d->connectedSignals) * 8 && !d->connectionLists->dirty)
return d->isSignalConnected(signalIndex);
if (signalIndex < sizeof(d->connectedSignals) * 8 && !d->connectionLists->dirty)
return d->isSignalConnected(signalIndex);
if (signalIndex < uint(d->connectionLists->count())) {
const QObjectPrivate::Connection *c =
d->connectionLists->at(signalIndex).first;
while (c) {
if (c->receiver)
return true;
c = c->nextConnectionList;
if (signalIndex < uint(d->connectionLists->count())) {
const QObjectPrivate::Connection *c =
d->connectionLists->at(signalIndex).first;
while (c) {
if (c->receiver)
return true;
c = c->nextConnectionList;
}
}
}
return false;
return d->isDeclarativeSignalConnected(signalIndex);
}
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