/*!
* Creates a binding to the provided signal, slot, or Q_INVOKABLE method using the
* provided parameter list. The type of each argument is deduced from the type of
* the QVariant. This function cannot bind positional arguments; see the
* overload using QGenericArgument.
*
* If the provided QObject does not implement the requested method, or if the
* argument list is incompatible with the method's function signature, this
* function returns NULL.
*
* The returned QxtBoundFunction is created as a child of the receiver.
* Changing the parent will result in undefined behavior.
*
* \sa QxtMetaObject::connect, QxtBoundFunction
*/
QxtBoundFunction* bind(QObject* recv, const char* invokable, QXT_IMPL_10ARGS(QVariant))
{
if (!recv)
{
qWarning() << "QxtMetaObject::bind: cannot connect to null QObject";
return 0;
}
QVariant* args[10] = { &p1, &p2, &p3, &p4, &p5, &p6, &p7, &p8, &p9, &p10 };
QByteArray connSlot("2"), recvSlot(QMetaObject::normalizedSignature(invokable));
const QMetaObject* meta = recv->metaObject();
int methodID = meta->indexOfMethod(QxtMetaObject::methodSignature(recvSlot.constData()));
if (methodID == -1)
{
qWarning() << "QxtMetaObject::bind: no such method " << recvSlot;
return 0;
}
QMetaMethod method = meta->method(methodID);
int argCount = method.parameterTypes().count();
const QList<QByteArray> paramTypes = method.parameterTypes();
for (int i = 0; i < argCount; i++)
{
if (paramTypes[i] == "QxtBoundArgument") continue;
int type = QMetaType::type(paramTypes[i].constData());
if (!args[i]->canConvert((QVariant::Type)type))
{
qWarning() << "QxtMetaObject::bind: incompatible parameter list for " << recvSlot;
return 0;
}
}
return QxtMetaObject::bind(recv, invokable, QXT_ARG(1), QXT_ARG(2), QXT_ARG(3), QXT_ARG(4), QXT_ARG(5), QXT_ARG(6), QXT_ARG(7), QXT_ARG(8), QXT_ARG(9), QXT_ARG(10));
}
void QxtRPCServicePrivate::dispatchFromClient(quint64 id, const QString& fn, const QVariant& p0, const QVariant& p1,
const QVariant& p2, const QVariant& p3, const QVariant& p4, const QVariant& p5, const QVariant& p6,
const QVariant& p7) const
{
// If the received message is not connected to any slots, ignore it.
if(!connectedSlots.contains(fn)) return;
foreach(const SlotDef& slot, connectedSlots.value(fn))
{
// Look up the parameters for each slot based on its metamethod definition.
MetaMethodDef method = qMakePair(slot.recv->metaObject(), slot.slot);
const QList<QByteArray>& params = slotParameters.value(method);
int numParams = params.count();
// Invoke the specified slot on the receiver object using the arguments passed to the function.
// See dispatchFromServer() for a discussion of the safety of QXT_ARG here.
if(!QMetaObject::invokeMethod(slot.recv, slot.slot.constData(), slot.type, Q_ARG(quint64, id), QXT_ARG(0),
QXT_ARG(1), QXT_ARG(2), QXT_ARG(3), QXT_ARG(4), QXT_ARG(5), QXT_ARG(6), QXT_ARG(7))) {
qWarning() << "QxtRPCService: invokeMethod for " << slot.recv << "::" << slot.slot << " failed";
}
}
}
void QxtRPCServicePrivate::dispatchFromServer(const QString& fn, const QVariant& p0, const QVariant& p1,
const QVariant& p2, const QVariant& p3, const QVariant& p4, const QVariant& p5, const QVariant& p6,
const QVariant& p7) const
{
// If the received message is not connected to any slots, ignore it.
if(!connectedSlots.contains(fn)) return;
foreach(const SlotDef& slot, connectedSlots.value(fn)) {
// Look up the parameters for each slot based on its metamethod definition.
MetaMethodDef method = qMakePair(slot.recv->metaObject(), slot.slot);
const QList<QByteArray>& params = slotParameters.value(method);
int numParams = params.count();
// Invoke the specified slot on the receiver object using the arguments passed to the function. The
// QGenericArgument stuff is done here for safety, as it's not inconceivable (but it IS dangerous) for
// different slots to have different parameter lists.
if(!QMetaObject::invokeMethod(slot.recv, slot.slot.constData(), slot.type, QXT_ARG(0), QXT_ARG(1), QXT_ARG(2),
QXT_ARG(3), QXT_ARG(4), QXT_ARG(5), QXT_ARG(6), QXT_ARG(7))) {
qWarning() << "QxtRPCService: invokeMethod for " << slot.recv << "::" << slot.slot << " failed";
}
}
}
