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author | Kent Hansen <khansen@trolltech.com> | 2009-05-12 16:38:32 (GMT) |
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committer | Kent Hansen <khansen@trolltech.com> | 2009-05-12 16:38:32 (GMT) |
commit | 09d1e6ee7d93c9fb658b2be5fe49698bf3faa0d6 (patch) | |
tree | 2e68a3b01279934464acf98dd774b90659573dc6 /src/corelib/statemachine/qstatemachine.cpp | |
parent | 3db6f6234eb36ec4b3d6e14dc48917762653cbd7 (diff) | |
download | Qt-09d1e6ee7d93c9fb658b2be5fe49698bf3faa0d6.zip Qt-09d1e6ee7d93c9fb658b2be5fe49698bf3faa0d6.tar.gz Qt-09d1e6ee7d93c9fb658b2be5fe49698bf3faa0d6.tar.bz2 |
correctly handle multiple signal transitions for same (object,signal)
The signal was not disconnected at the right time. We now store the
number of active signal transitions for a particular (object,signal)
and only disconnect when the count drops to zero.
Diffstat (limited to 'src/corelib/statemachine/qstatemachine.cpp')
-rw-r--r-- | src/corelib/statemachine/qstatemachine.cpp | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/src/corelib/statemachine/qstatemachine.cpp b/src/corelib/statemachine/qstatemachine.cpp index 24af8e4..40a465a 100644 --- a/src/corelib/statemachine/qstatemachine.cpp +++ b/src/corelib/statemachine/qstatemachine.cpp @@ -1311,8 +1311,10 @@ void QStateMachinePrivate::registerSignalTransition(QSignalTransition *transitio sender->metaObject()->className(), signal.constData()); return; } - QList<int> &connectedSignalIndexes = connections[sender]; - if (!connectedSignalIndexes.contains(signalIndex)) { + QVector<int> &connectedSignalIndexes = connections[sender]; + if (connectedSignalIndexes.size() <= signalIndex) + connectedSignalIndexes.resize(signalIndex+1); + if (connectedSignalIndexes.at(signalIndex) == 0) { #ifndef QT_STATEMACHINE_SOLUTION if (!signalEventGenerator) signalEventGenerator = new QSignalEventGenerator(q); @@ -1329,8 +1331,8 @@ void QStateMachinePrivate::registerSignalTransition(QSignalTransition *transitio #endif return; } - connectedSignalIndexes.append(signalIndex); } + ++connectedSignalIndexes[signalIndex]; QSignalTransitionPrivate::get(transition)->signalIndex = signalIndex; #ifdef QSTATEMACHINE_DEBUG qDebug() << q << ": added signal transition from" << transition->sourceState() @@ -1345,17 +1347,20 @@ void QStateMachinePrivate::unregisterSignalTransition(QSignalTransition *transit if (signalIndex == -1) return; // not registered #ifndef QT_STATEMACHINE_SOLUTION + QSignalTransitionPrivate::get(transition)->signalIndex = -1; const QObject *sender = QSignalTransitionPrivate::get(transition)->sender; - QList<int> &connectedSignalIndexes = connections[sender]; - Q_ASSERT(connectedSignalIndexes.contains(signalIndex)); - Q_ASSERT(signalEventGenerator != 0); - bool ok = QMetaObject::disconnect(sender, signalIndex, signalEventGenerator, - signalEventGenerator->metaObject()->methodOffset()); - if (ok) { - connectedSignalIndexes.removeOne(signalIndex); - if (connectedSignalIndexes.isEmpty()) + QVector<int> &connectedSignalIndexes = connections[sender]; + Q_ASSERT(connectedSignalIndexes.size() > signalIndex); + Q_ASSERT(connectedSignalIndexes.at(signalIndex) != 0); + if (--connectedSignalIndexes[signalIndex] == 0) { + Q_ASSERT(signalEventGenerator != 0); + QMetaObject::disconnect(sender, signalIndex, signalEventGenerator, + signalEventGenerator->metaObject()->methodOffset()); + int sum = 0; + for (int i = 0; i < connectedSignalIndexes.size(); ++i) + sum += connectedSignalIndexes.at(i); + if (sum == 0) connections.remove(sender); - QSignalTransitionPrivate::get(transition)->signalIndex = -1; } #endif } @@ -1420,8 +1425,8 @@ void QStateMachinePrivate::unregisterEventTransition(QEventTransition *transitio void QStateMachinePrivate::handleTransitionSignal(const QObject *sender, int signalIndex, void **argv) { - const QList<int> &connectedSignalIndexes = connections[sender]; - Q_ASSERT(connectedSignalIndexes.contains(signalIndex)); + const QVector<int> &connectedSignalIndexes = connections[sender]; + Q_ASSERT(connectedSignalIndexes.at(signalIndex) != 0); const QMetaObject *meta = sender->metaObject(); QMetaMethod method = meta->method(signalIndex); QList<QByteArray> parameterTypes = method.parameterTypes(); |