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static bool isDecorator(PyObject* method, PyObject* self)
{
Shiboken::AutoDecRef methodName(PyObject_GetAttrString(method, "__name__"));
if (!PyObject_HasAttr(self, methodName))
return true;
Shiboken::AutoDecRef otherMethod(PyObject_GetAttr(self, methodName));
return reinterpret_cast<PyMethodObject*>(otherMethod.object())->im_func != \
reinterpret_cast<PyMethodObject*>(method)->im_func;
}
static bool getReceiver(QObject *source, const char* signal, PyObject* callback, QObject** receiver, PyObject** self, QByteArray* callbackSig)
{
bool forceGlobalReceiver = false;
if (PyMethod_Check(callback)) {
*self = PyMethod_GET_SELF(callback);
if (%CHECKTYPE[QObject*](*self))
*receiver = %CONVERTTOCPP[QObject*](*self);
forceGlobalReceiver = isDecorator(callback, *self);
} else if (PyCFunction_Check(callback)) {
*self = PyCFunction_GET_SELF(callback);
if (*self && %CHECKTYPE[QObject*](*self))
*receiver = %CONVERTTOCPP[QObject*](*self);
} else if (PyCallable_Check(callback)) {
// Ok, just a callable object
*receiver = 0;
*self = 0;
}
bool usingGlobalReceiver = !*receiver || forceGlobalReceiver;
// Check if this callback is a overwrite of a non-virtual Qt slot.
if (!usingGlobalReceiver && receiver && self) {
*callbackSig = PySide::Signal::getCallbackSignature(signal, *receiver, callback, usingGlobalReceiver).toAscii();
const QMetaObject* metaObject = (*receiver)->metaObject();
int slotIndex = metaObject->indexOfSlot(callbackSig->constData());
if (slotIndex != -1 && slotIndex < metaObject->methodOffset() && PyMethod_Check(callback))
usingGlobalReceiver = true;
}
if (usingGlobalReceiver) {
PySide::SignalManager& signalManager = PySide::SignalManager::instance();
*receiver = signalManager.globalReceiver(source, callback);
*callbackSig = PySide::Signal::getCallbackSignature(signal, *receiver, callback, usingGlobalReceiver).toAscii();
}
return usingGlobalReceiver;
}
static bool qobjectConnect(QObject* source, const char* signal, QObject* receiver, const char* slot, Qt::ConnectionType type)
{
if (!signal || !slot)
return false;
if (!PySide::Signal::checkQtSignal(signal))
return false;
signal++;
if (!PySide::SignalManager::registerMetaMethod(source, signal, QMetaMethod::Signal))
return false;
bool isSignal = PySide::Signal::isQtSignal(slot);
slot++;
PySide::SignalManager::registerMetaMethod(receiver, slot, isSignal ? QMetaMethod::Signal : QMetaMethod::Slot);
return QObject::connect(source, signal - 1, receiver, slot - 1, type);
}
static bool qobjectConnectCallback(QObject* source, const char* signal, PyObject* callback, Qt::ConnectionType type)
{
if (!signal || !PySide::Signal::checkQtSignal(signal))
return false;
signal++;
int signalIndex = PySide::SignalManager::registerMetaMethodGetIndex(source, signal, QMetaMethod::Signal);
if (signalIndex == -1)
return false;
PySide::SignalManager& signalManager = PySide::SignalManager::instance();
// Extract receiver from callback
QObject* receiver = 0;
PyObject* self = 0;
QByteArray callbackSig;
bool usingGlobalReceiver = getReceiver(source, signal, callback, &receiver, &self, &callbackSig);
if (receiver == 0 && self == 0)
return false;
const QMetaObject* metaObject = receiver->metaObject();
const char* slot = callbackSig.constData();
int slotIndex = metaObject->indexOfSlot(slot);
if (slotIndex == -1) {
if (!usingGlobalReceiver && self && !Shiboken::Object::hasCppWrapper((SbkObject*)self)) {
qWarning() << "You can't add dynamic slots on an object originated from C++.";
if (usingGlobalReceiver)
signalManager.releaseGlobalReceiver(source, receiver);
return false;
}
if (usingGlobalReceiver)
slotIndex = signalManager.globalReceiverSlotIndex(receiver, slot);
else
slotIndex = PySide::SignalManager::registerMetaMethodGetIndex(receiver, slot, QMetaMethod::Slot);
if (slotIndex == -1) {
if (usingGlobalReceiver)
signalManager.releaseGlobalReceiver(source, receiver);
return false;
}
}
if (QMetaObject::connect(source, signalIndex, receiver, slotIndex, type)) {
if (usingGlobalReceiver)
signalManager.notifyGlobalReceiver(receiver);
#ifndef AVOID_PROTECTED_HACK
source->connectNotify(signal - 1);
#else
// Need to cast to QObjectWrapper* and call the public version of
// connectNotify when avoiding the protected hack.
reinterpret_cast<QObjectWrapper*>(source)->connectNotify(signal - 1);
#endif
return true;
}
if (usingGlobalReceiver)
signalManager.releaseGlobalReceiver(source, receiver);
return false;
}
static bool qobjectDisconnectCallback(QObject* source, const char* signal, PyObject* callback)
{
if (!PySide::Signal::checkQtSignal(signal))
return false;
PySide::SignalManager& signalManager = PySide::SignalManager::instance();
// Extract receiver from callback
QObject* receiver = 0;
PyObject* self = 0;
QByteArray callbackSig;
bool usingGlobalReceiver = getReceiver(NULL, signal, callback, &receiver, &self, &callbackSig);
if (receiver == 0 && self == 0)
return false;
const QMetaObject* metaObject = receiver->metaObject();
int signalIndex = source->metaObject()->indexOfSignal(++signal);
int slotIndex = -1;
slotIndex = metaObject->indexOfSlot(callbackSig);
if (QMetaObject::disconnectOne(source, signalIndex, receiver, slotIndex)) {
if (usingGlobalReceiver)
signalManager.releaseGlobalReceiver(source, receiver);
#ifndef AVOID_PROTECTED_HACK
source->disconnectNotify(callbackSig);
#else
// Need to cast to QObjectWrapper* and call the public version of
// connectNotify when avoiding the protected hack.
reinterpret_cast<QObjectWrapper*>(source)->disconnectNotify(callbackSig);
#endif
return true;
}
return false;
}
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