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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
/*********************************************************************
* INJECT CODE
********************************************************************/
// @snippet qsignalspy-signal
auto *signalInst = reinterpret_cast<PySideSignalInstance *>(%PYARG_1);
PyObject *emitterPyObject = PySide::Signal::getObject(signalInst);
QObject* emitter = %CONVERTTOCPP[QObject *](emitterPyObject);
QByteArray signature = PySide::Signal::getSignature(signalInst);
if (!signature.isEmpty())
signature.prepend('2'); // SIGNAL() macro
if (emitter == nullptr || signature.isEmpty()) {
QByteArray error = QByteArrayLiteral("Wrong parameter (")
+ (%PYARG_1)->ob_type->tp_name
+ QByteArrayLiteral(") passed, QSignalSpy requires a signal.");
PyErr_SetString(PyExc_ValueError, error.constData());
return -1;
}
// PySide::Signal::getObject() increments the refcount for emitterPyObject,
// but there is nothing that decrements the count when the spy goes out of
// scope. It doesn't seem like QSignalSpy should prevent the target object
// from being garbage collected. So we need to decrement the refcount here.
Py_DECREF(emitterPyObject);
%0 = new QSignalSpy(emitter, signature.constData());
// @snippet qsignalspy-signal
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