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authorMichael Brasser <michael.brasser@nokia.com>2009-05-12 23:07:35 (GMT)
committerMichael Brasser <michael.brasser@nokia.com>2009-05-12 23:07:35 (GMT)
commit1d11153b5564deb06d9f2936e0e43a0700a0e359 (patch)
tree02a2bf1f770417787bc16a8b6f480065b64fea35 /src/corelib/kernel/qobject.cpp
parentb5423af0511f24c8648cb0f4e8e8a2eaef0f27fc (diff)
parenta47bf3d15b589414183a0aa51c710c3763d3d1d1 (diff)
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Merge branch 'kinetic-declarativeui' of git@scm.dev.nokia.troll.no:qt/kinetic into kinetic-declarativeui
Diffstat (limited to 'src/corelib/kernel/qobject.cpp')
-rw-r--r--src/corelib/kernel/qobject.cpp249
1 files changed, 94 insertions, 155 deletions
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index 220e132..e6aeeef 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -70,7 +70,7 @@ static int DIRECT_CONNECTION_ONLY = 0;
static int *queuedConnectionTypes(const QList<QByteArray> &typeNames)
{
- int *types = static_cast<int *>(qMalloc((typeNames.count() + 1) * sizeof(int)));
+ int *types = new int [typeNames.count() + 1];
for (int i = 0; i < typeNames.count(); ++i) {
const QByteArray typeName = typeNames.at(i);
if (typeName.endsWith('*'))
@@ -82,7 +82,7 @@ static int *queuedConnectionTypes(const QList<QByteArray> &typeNames)
qWarning("QObject::connect: Cannot queue arguments of type '%s'\n"
"(Make sure '%s' is registered using qRegisterMetaType().)",
typeName.constData(), typeName.constData());
- qFree(types);
+ delete [] types;
return 0;
}
}
@@ -218,6 +218,7 @@ public:
}
};
+// Used by QAccessibleWidget
bool QObjectPrivate::isSender(const QObject *receiver, const char *signal) const
{
Q_Q(const QObject);
@@ -229,8 +230,8 @@ bool QObjectPrivate::isSender(const QObject *receiver, const char *signal) const
if (signal_index < connectionLists->count()) {
const ConnectionList &connectionList = connectionLists->at(signal_index);
for (int i = 0; i < connectionList.count(); ++i) {
- const QObjectPrivate::Connection &c = connectionList.at(i);
- if (c.receiver && c.receiver == receiver)
+ const QObjectPrivate::Connection *c = connectionList.at(i);
+ if (c->receiver == receiver)
return true;
}
}
@@ -238,6 +239,7 @@ bool QObjectPrivate::isSender(const QObject *receiver, const char *signal) const
return false;
}
+// Used by QAccessibleWidget
QObjectList QObjectPrivate::receiverList(const char *signal) const
{
Q_Q(const QObject);
@@ -250,21 +252,22 @@ QObjectList QObjectPrivate::receiverList(const char *signal) const
if (signal_index < connectionLists->count()) {
const ConnectionList &connectionList = connectionLists->at(signal_index);
for (int i = 0; i < connectionList.count(); ++i) {
- const QObjectPrivate::Connection &c = connectionList.at(i);
- if (c.receiver)
- returnValue << c.receiver;
+ const QObjectPrivate::Connection *c = connectionList.at(i);
+ if (c->receiver)
+ returnValue << c->receiver;
}
}
}
return returnValue;
}
+// Used by QAccessibleWidget
QObjectList QObjectPrivate::senderList() const
{
QObjectList returnValue;
QMutexLocker locker(&threadData->mutex);
for (int i = 0; i < senders.count(); ++i)
- returnValue << senders.at(i).sender;
+ returnValue << senders.at(i)->sender;
return returnValue;
}
@@ -276,33 +279,11 @@ void QObjectPrivate::addConnection(int signal, Connection *c)
connectionLists->resize(signal + 1);
ConnectionList &connectionList = (*connectionLists)[signal];
- connectionList.append(*c);
+ connectionList.append(c);
cleanConnectionLists();
}
-void QObjectPrivate::removeReceiver(int signal, QObject *receiver)
-{
- if (!connectionLists)
- return;
-
- if (signal >= connectionLists->count())
- return;
-
- ConnectionList &connectionList = (*connectionLists)[signal];
- for (int i = 0; i < connectionList.count(); ++i) {
- Connection &c = connectionList[i];
- if (c.receiver == receiver) {
- c.receiver = 0;
- if (c.argumentTypes && c.argumentTypes != &DIRECT_CONNECTION_ONLY) {
- qFree(c.argumentTypes);
- c.argumentTypes = 0;
- }
- connectionLists->dirty = true;
- }
- }
-}
-
void QObjectPrivate::cleanConnectionLists()
{
if (connectionLists->dirty && !connectionLists->inUse) {
@@ -310,55 +291,17 @@ void QObjectPrivate::cleanConnectionLists()
for (int signal = -1; signal < connectionLists->count(); ++signal) {
QObjectPrivate::ConnectionList &connectionList = (*connectionLists)[signal];
for (int i = 0; i < connectionList.count(); ++i) {
- const QObjectPrivate::Connection &c = connectionList.at(i);
- if (!c.receiver)
+ QObjectPrivate::Connection *c = connectionList.at(i);
+ if (!c->receiver) {
+ delete c;
connectionList.removeAt(i--);
+ }
}
}
connectionLists->dirty = false;
}
}
-void QObjectPrivate::refSender(QObject *sender, int signal)
-{
- for (int i = 0; i < senders.count(); ++i) {
- Sender &s = senders[i];
- if (s.sender == sender && s.signal == signal) {
- ++s.ref;
- return;
- }
- }
-
- Sender s = { sender, signal, 1 };
- senders.append(s);
-}
-
-void QObjectPrivate::derefSender(QObject *sender, int signal)
-{
- for (int i = 0; i < senders.count(); ++i) {
- Sender &s = senders[i];
- if (s.sender == sender && s.signal == signal) {
- if (--s.ref == 0) {
- senders.removeAt(i);
- break;
- }
- }
- }
- // Q_ASSERT_X(false, "QObjectPrivate::derefSender", "sender not found");
-}
-
-void QObjectPrivate::removeSender(QObject *sender, int signal)
-{
- for (int i = 0; i < senders.count(); ++i) {
- Sender &s = senders[i];
- if (s.sender == sender && s.signal == signal) {
- senders.removeAt(i);
- return;
- }
- }
- // Q_ASSERT_X(false, "QObjectPrivate::removeSender", "sender not found");
-}
-
QObjectPrivate::Sender *QObjectPrivate::setCurrentSender(QObject *receiver,
Sender *sender)
{
@@ -784,23 +727,21 @@ QObject::~QObject()
for (int signal = -1; signal < d->connectionLists->count(); ++signal) {
QObjectPrivate::ConnectionList &connectionList = (*d->connectionLists)[signal];
for (int i = 0; i < connectionList.count(); ++i) {
- QObjectPrivate::Connection *c = &connectionList[i];
- if (!c->receiver)
+ QObjectPrivate::Connection *c = connectionList[i];
+ if (!c->receiver) {
+ delete c;
continue;
+ }
QMutex *m = &c->receiver->d_func()->threadData->mutex;
bool needToUnlock = QOrderedMutexLocker::relock(locker.mutex(), m);
- c = &connectionList[i];
+ c = connectionList[i];
if (c->receiver)
- c->receiver->d_func()->removeSender(this, signal);
+ c->receiver->d_func()->senders.removeOne(c);
if (needToUnlock)
m->unlock();
- if (c->argumentTypes && c->argumentTypes != &DIRECT_CONNECTION_ONLY) {
- qFree(c->argumentTypes);
- c->argumentTypes = 0;
- }
- c->receiver = 0;
+ delete c;
}
}
@@ -814,15 +755,20 @@ QObject::~QObject()
// disconnect all senders
for (int i = 0; i < d->senders.count(); ++i) {
- QObjectPrivate::Sender *s = &d->senders[i];
+ QObjectPrivate::Connection *s = d->senders[i];
if (!s->sender)
continue;
QMutex *m = &s->sender->d_func()->threadData->mutex;
bool needToUnlock = QOrderedMutexLocker::relock(locker.mutex(), m);
- s = &d->senders[i];
- if (s->sender)
- s->sender->d_func()->removeReceiver(s->signal, this);
+ s = d->senders[i];
+ s->receiver = 0;
+ if (s->sender) {
+ QObjectConnectionListVector *senderLists = s->sender->d_func()->connectionLists;
+ if (senderLists)
+ senderLists->dirty = true;
+ }
+
if (needToUnlock)
m->unlock();
}
@@ -876,6 +822,12 @@ QObject::~QObject()
d_ptr = 0;
}
+QObjectPrivate::Connection::~Connection()
+{
+ if (argumentTypes != &DIRECT_CONNECTION_ONLY)
+ delete [] argumentTypes;
+}
+
/*!
\fn QMetaObject *QObject::metaObject() const
@@ -2314,7 +2266,7 @@ QObject *QObject::sender() const
// Return 0 if d->currentSender isn't in d->senders
bool found = false;
for (int i = 0; !found && i < d->senders.count(); ++i)
- found = (d->senders.at(i).sender == d->currentSender->sender);
+ found = (d->senders.at(i)->sender == d->currentSender->sender);
if (!found)
return 0;
return d->currentSender->sender;
@@ -2369,8 +2321,8 @@ int QObject::receivers(const char *signal) const
const QObjectPrivate::ConnectionList &connectionList =
d->connectionLists->at(signal_index);
for (int i = 0; i < connectionList.count(); ++i) {
- const QObjectPrivate::Connection &c = connectionList.at(i);
- receivers += c.receiver ? 1 : 0;
+ const QObjectPrivate::Connection *c = connectionList.at(i);
+ receivers += c->receiver ? 1 : 0;
}
}
}
@@ -2803,20 +2755,18 @@ bool QMetaObject::connect(const QObject *sender, int signal_index,
QObject *s = const_cast<QObject *>(sender);
QObject *r = const_cast<QObject *>(receiver);
+ QObjectPrivate::Connection *c = new QObjectPrivate::Connection;
+ c->sender = s;
+ c->receiver = r;
+ c->method = method_index;
+ c->connectionType = type;
+ c->argumentTypes = types;
+
QOrderedMutexLocker locker(&s->d_func()->threadData->mutex,
&r->d_func()->threadData->mutex);
-#if defined(Q_CC_HPACC) && defined(QT_ARCH_PARISC)
- QObjectPrivate::Connection c;
- c.receiver = r;
- c.method = method_index;
- c.connectionType = type;
- c.argumentTypes = types;
-#else
- QObjectPrivate::Connection c = { r, method_index, type, Q_BASIC_ATOMIC_INITIALIZER(types) };
-#endif
- s->d_func()->addConnection(signal_index, &c);
- r->d_func()->refSender(s, signal_index);
+ s->d_func()->addConnection(signal_index, c);
+ r->d_func()->senders.append(c);
if (signal_index < 0)
sender->d_func()->connectedSignals = ~0u;
@@ -2855,27 +2805,23 @@ bool QMetaObject::disconnect(const QObject *sender, int signal_index,
for (signal_index = -1; signal_index < connectionLists->count(); ++signal_index) {
QObjectPrivate::ConnectionList &connectionList = (*connectionLists)[signal_index];
for (int i = 0; i < connectionList.count(); ++i) {
- QObjectPrivate::Connection *c = &connectionList[i];
+ QObjectPrivate::Connection *c = connectionList[i];
if (c->receiver
&& (r == 0 || (c->receiver == r
&& (method_index < 0 || c->method == method_index)))) {
QMutex *m = &c->receiver->d_func()->threadData->mutex;
+ bool needToUnlock = false;
if (!receiverMutex && senderMutex != m) {
// need to relock this receiver and sender in the correct order
- bool needToUnlock = QOrderedMutexLocker::relock(senderMutex, m);
- c = &connectionList[i];
- if (c->receiver)
- c->receiver->d_func()->derefSender(s, signal_index);
- if (needToUnlock)
- m->unlock();
- } else {
- // no need to unlock
- c->receiver->d_func()->derefSender(s, signal_index);
- }
- if (c->argumentTypes && c->argumentTypes != &DIRECT_CONNECTION_ONLY) {
- qFree(c->argumentTypes);
- c->argumentTypes = 0;
+ needToUnlock = QOrderedMutexLocker::relock(senderMutex, m);
+ c = connectionList[i];
}
+ if (c->receiver)
+ c->receiver->d_func()->senders.removeOne(c);
+
+ if (needToUnlock)
+ m->unlock();
+
c->receiver = 0;
success = true;
@@ -2886,27 +2832,22 @@ bool QMetaObject::disconnect(const QObject *sender, int signal_index,
} else if (signal_index < connectionLists->count()) {
QObjectPrivate::ConnectionList &connectionList = (*connectionLists)[signal_index];
for (int i = 0; i < connectionList.count(); ++i) {
- QObjectPrivate::Connection *c = &connectionList[i];
+ QObjectPrivate::Connection *c = connectionList[i];
if (c->receiver
&& (r == 0 || (c->receiver == r
&& (method_index < 0 || c->method == method_index)))) {
QMutex *m = &c->receiver->d_func()->threadData->mutex;
+ bool needToUnlock = false;
if (!receiverMutex && senderMutex != m) {
// need to relock this receiver and sender in the correct order
- bool needToUnlock = QOrderedMutexLocker::relock(senderMutex, m);
- c = &connectionList[i];
- if (c->receiver)
- c->receiver->d_func()->derefSender(s, signal_index);
- if (needToUnlock)
- m->unlock();
- } else {
- // no need to unlock
- c->receiver->d_func()->derefSender(s, signal_index);
- }
- if (c->argumentTypes && c->argumentTypes != &DIRECT_CONNECTION_ONLY) {
- qFree(c->argumentTypes);
- c->argumentTypes = 0;
+ needToUnlock = QOrderedMutexLocker::relock(senderMutex, m);
+ c = connectionList[i];
}
+ if (c->receiver)
+ c->receiver->d_func()->senders.removeOne(c);
+
+ if (needToUnlock)
+ m->unlock();
c->receiver = 0;
success = true;
@@ -2989,32 +2930,31 @@ void QMetaObject::connectSlotsByName(QObject *o)
}
}
-static void queued_activate(QObject *sender, int signal, const QObjectPrivate::Connection &c,
+static void queued_activate(QObject *sender, int signal, QObjectPrivate::Connection *c,
void **argv, QSemaphore *semaphore = 0)
{
- if (!c.argumentTypes || c.argumentTypes != &DIRECT_CONNECTION_ONLY) {
+ if (!c->argumentTypes && c->argumentTypes != &DIRECT_CONNECTION_ONLY) {
QMetaMethod m = sender->metaObject()->method(signal);
- QObjectPrivate::Connection &x = const_cast<QObjectPrivate::Connection &>(c);
int *tmp = queuedConnectionTypes(m.parameterTypes());
if (!tmp) // cannot queue arguments
tmp = &DIRECT_CONNECTION_ONLY;
- if (!x.argumentTypes.testAndSetOrdered(0, tmp)) {
+ if (!c->argumentTypes.testAndSetOrdered(0, tmp)) {
if (tmp != &DIRECT_CONNECTION_ONLY)
- qFree(tmp);
+ delete [] tmp;
}
}
- if (c.argumentTypes == &DIRECT_CONNECTION_ONLY) // cannot activate
+ if (c->argumentTypes == &DIRECT_CONNECTION_ONLY) // cannot activate
return;
int nargs = 1; // include return type
- while (c.argumentTypes[nargs-1])
+ while (c->argumentTypes[nargs-1])
++nargs;
int *types = (int *) qMalloc(nargs*sizeof(int));
void **args = (void **) qMalloc(nargs*sizeof(void *));
types[0] = 0; // return type
args[0] = 0; // return value
for (int n = 1; n < nargs; ++n)
- args[n] = QMetaType::construct((types[n] = c.argumentTypes[n-1]), argv[n]);
- QCoreApplication::postEvent(c.receiver, new QMetaCallEvent(c.method,
+ args[n] = QMetaType::construct((types[n] = c->argumentTypes[n-1]), argv[n]);
+ QCoreApplication::postEvent(c->receiver, new QMetaCallEvent(c->method,
sender,
signal,
nargs,
@@ -3023,13 +2963,13 @@ static void queued_activate(QObject *sender, int signal, const QObjectPrivate::C
semaphore));
}
-static void blocking_activate(QObject *sender, int signal, const QObjectPrivate::Connection &c, void **argv)
+static void blocking_activate(QObject *sender, int signal, QObjectPrivate::Connection *c, void **argv)
{
- if (QThread::currentThread() == c.receiver->thread()) {
+ if (QThread::currentThread() == c->receiver->thread()) {
qWarning("Qt: Dead lock detected while activating a BlockingQueuedConnection: "
"Sender is %s(%p), receiver is %s(%p)",
sender->metaObject()->className(), sender,
- c.receiver->metaObject()->className(), c.receiver);
+ c->receiver->metaObject()->className(), c->receiver);
}
#ifdef QT_NO_THREAD
@@ -3079,7 +3019,7 @@ void QMetaObject::activate(QObject *sender, int from_signal_index, int to_signal
}
int count = connectionLists->at(signal).count();
for (int i = 0; i < count; ++i) {
- const QObjectPrivate::Connection *c = &connectionLists->at(signal)[i];
+ QObjectPrivate::Connection *c = connectionLists->at(signal)[i];
if (!c->receiver)
continue;
@@ -3091,10 +3031,10 @@ void QMetaObject::activate(QObject *sender, int from_signal_index, int to_signal
&& (currentThreadData != sender->d_func()->threadData
|| receiver->d_func()->threadData != sender->d_func()->threadData))
|| (c->connectionType == Qt::QueuedConnection)) {
- queued_activate(sender, signal, *c, argv);
+ queued_activate(sender, signal, c, argv);
continue;
} else if (c->connectionType == Qt::BlockingQueuedConnection) {
- blocking_activate(sender, signal, *c, argv);
+ blocking_activate(sender, signal, c, argv);
continue;
}
@@ -3422,16 +3362,16 @@ void QObject::dumpObjectInfo()
// receivers
const QObjectPrivate::ConnectionList &connectionList = d->connectionLists->at(signal_index);
for (int i = 0; i < connectionList.count(); ++i) {
- const QObjectPrivate::Connection &c = connectionList.at(i);
- if (!c.receiver) {
+ const QObjectPrivate::Connection *c = connectionList.at(i);
+ if (!c->receiver) {
qDebug(" <Disconnected receiver>");
continue;
}
- const QMetaObject *receiverMetaObject = c.receiver->metaObject();
- const QMetaMethod method = receiverMetaObject->method(c.method);
+ const QMetaObject *receiverMetaObject = c->receiver->metaObject();
+ const QMetaMethod method = receiverMetaObject->method(c->method);
qDebug(" --> %s::%s %s",
receiverMetaObject->className(),
- c.receiver->objectName().isEmpty() ? "unnamed" : qPrintable(c.receiver->objectName()),
+ c->receiver->objectName().isEmpty() ? "unnamed" : qPrintable(c->receiver->objectName()),
method.signature());
}
}
@@ -3444,13 +3384,12 @@ void QObject::dumpObjectInfo()
if (!d->senders.isEmpty()) {
for (int i = 0; i < d->senders.count(); ++i) {
- const QObjectPrivate::Sender &s = d->senders.at(i);
- const QMetaObject *senderMetaObject = s.sender->metaObject();
- const QMetaMethod signal = senderMetaObject->method(s.signal);
- qDebug(" <-- %s::%s %s",
- senderMetaObject->className(),
- s.sender->objectName().isEmpty() ? "unnamed" : qPrintable(s.sender->objectName()),
- signal.signature());
+ const QObjectPrivate::Connection *s = d->senders.at(i);
+ const QMetaMethod slot = metaObject()->method(s->method);
+ qDebug(" <-- %s::%s %s",
+ s->sender->metaObject()->className(),
+ s->sender->objectName().isEmpty() ? "unnamed" : qPrintable(s->sender->objectName()),
+ slot.signature());
}
} else {
qDebug(" <None>");