// Convert a QVariant to a Python object based on the type of the object.
PyObject *Chimera::toAnyPyObject(const QVariant &var)
{
if (!var.isValid())
{
Py_INCREF(Py_None);
return Py_None;
}
// Handle null variants for the v2 API.
if (var.isNull() && sipIsAPIEnabled("QVariant", 2, 0))
return qpycore_qpynullvariant_FromQVariant(var);
const char *type_name = var.typeName();
const sipTypeDef *td = sipFindType(type_name);
Chimera *ct = new Chimera;
ct->_type = td;
ct->_name = type_name;
ct->_metatype = var.userType();
if (td && sipTypeIsClass(td))
ct->set_flag();
PyObject *py = ct->toPyObject(var);
delete ct;
return py;
}
// Parse a meta-property as a type.
const Chimera *Chimera::parse(const QMetaProperty &mprop)
{
Chimera *ct = new Chimera;
const char *type_name = mprop.typeName();
ct->_type = sipFindType(type_name);
ct->_metatype = mprop.userType();
ct->_inexact = true;
ct->_is_flag = mprop.isFlagType();
ct->_name = type_name;
return ct;
}
// This is a factory for the wrapped QDeclarativeListProperty<PyDelegate>.
static PyObject *QPyDeclarativeListProperty_call(PyObject *, PyObject *args,
PyObject *)
{
PyTypeObject *qobject_type = sipTypeAsPyTypeObject(sipType_QObject);
PyObject *qobj_obj, *list_obj;
if (!PyArg_ParseTuple(args,
#if PY_VERSION_HEX >= 0x02050000
"O!O!:QPyDeclarativeListProperty",
#else
const_cast<char *>("O!O!:QPyDeclarativeListProperty"),
#endif
qobject_type, &qobj_obj, &PyList_Type, &list_obj, &PyType_Type))
return 0;
// Get the C++ QObject.
int iserr = 0;
QObject *qobj = reinterpret_cast<QObject *>(sipConvertToType(qobj_obj, sipType_QObject, 0, SIP_NOT_NONE|SIP_NO_CONVERTORS, 0, &iserr));
if (iserr)
return 0;
// Get a list wrapper with the C++ QObject as its parent.
ListWrapper *list_wrapper = ListWrapper::wrapper(list_obj, qobj);
if (!list_wrapper)
return 0;
// Create the C++ QDeclarativeListProperty<QObject> with the list as the
// data.
QDeclarativeListProperty<QObject> *prop = new QDeclarativeListProperty<QObject>(qobj, &list_wrapper->qobject_list, list_append, list_count, list_at, list_clear);
// Convert it to a Python object.
static const sipTypeDef *mapped_type = 0;
if (!mapped_type)
mapped_type = sipFindType("QDeclarativeListProperty<QObject>");
Q_ASSERT(mapped_type);
// Make sure ownership is with Python.
PyObject *prop_obj = sipConvertFromNewType(prop, mapped_type, qobj_obj);
if (!prop_obj)
{
delete prop;
return 0;
}
return prop_obj;
}
/**
* Creates a PyObject that wraps the calling C++ instance.
* Ownership is transferred to the caller, i.e. the caller
* is responsible for calling Py_DECREF
* @return A PyObject wrapping this instance
*/
PyObject *PythonScript::createSipInstanceFromMe() {
const sipTypeDef *sipClass = sipFindType("PythonScript");
PyObject *sipWrapper = sipConvertFromType(this, sipClass, nullptr);
assert(sipWrapper);
return sipWrapper;
}
// Parse the given C++ type name.
bool Chimera::parse_cpp_type(const QByteArray &type)
{
_name = type;
// Resolve any types.
QByteArray resolved = resolve_types(type);
if (resolved.isEmpty())
return false;
// See if the type is known to Qt.
_metatype = QMetaType::type(resolved.constData());
// If not then use the PyQt_PyObject wrapper.
if (_metatype == QMetaType::Void)
_metatype = PyQt_PyObject::metatype;
// See if the type (without a pointer) is known to SIP.
bool is_ptr = resolved.endsWith('*');
if (is_ptr)
{
resolved.chop(1);
if (resolved.endsWith('*'))
return false;
}
_type = sipFindType(resolved.constData());
if (!_type)
{
// This is the only fundamental pointer type recognised by Qt.
if (_metatype == QMetaType::VoidStar)
return true;
// This is 'int', 'bool', etc.
if (_metatype != PyQt_PyObject::metatype && !is_ptr)
return true;
if ((resolved == "char" || resolved == "const char") && is_ptr)
{
// This is a special value meaning a (hopefully) '\0' terminated
// string.
_metatype = -1;
return true;
}
// This is an explicit 'PyQt_PyObject'.
if (resolved == "PyQt_PyObject" && !is_ptr)
return true;
return false;
}
if (sipTypeIsNamespace(_type))
return false;
if (sipTypeIsClass(_type))
{
set_flag();
if (is_ptr)
{
PyTypeObject *type_obj = sipTypeAsPyTypeObject(_type);
if (sipType_QWidget && PyType_IsSubtype(type_obj, sipTypeAsPyTypeObject(sipType_QWidget)))
{
_metatype = QMetaType::QWidgetStar;
}
else if (PyType_IsSubtype(type_obj, sipTypeAsPyTypeObject(sipType_QObject)))
{
_metatype = QMetaType::QObjectStar;
}
}
}
// We don't support pointers to enums.
if (sipTypeIsEnum(_type) && is_ptr)
_type = 0;
if (sipTypeIsEnum(_type) || isFlag())
_metatype = QMetaType::Int;
return true;
}