Is it possible to disconnect all slots from a signal in Qt5 QML?

Question

In QML it is impossible to call .disconnect() without arguments for a signal:

file:mainwindow.qml:107: Error: Function.prototype.disconnect: no arguments given

So how can I disconnect ALL slots without specifying each of them? Or maybe it is possible by passing signal object to C++ and disconnect it somehow there? Or maybe any workaround exists?

The goal I want to reach is to change behavior of an object by connecting different slots to it's signal. For example:

object.disconnect() // disconnect all slots
object.connect(one_super_slot)
object.disconnect() // disconnect all slots
object.connect(another_super_slot)

Answer 1

No. I looked at the source code in qv4objectwrapper.cpp, and you can see this code:

void QObjectWrapper::initializeBindings(ExecutionEngine *engine)
{
    engine->functionClass->prototype->defineDefaultProperty(QStringLiteral("connect"), method_connect);
    engine->functionClass->prototype->defineDefaultProperty(QStringLiteral("disconnect"), method_disconnect);
}

Those are the only two methods that are added. If you look at the source code for method_disconnect() you can see that it always requires one or two parameters, including the name of the slot to disconnect.

There is no disconnectAll() unfortunately.