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#include "pysideweakref.h"
#include <sbkpython.h>
typedef struct {
PyObject_HEAD
/* Type-specific fields go here. */
PySideWeakRefFunction weakref_func;
void* user_data;
} PySideCallableObject;
static PyObject* CallableObject_call(PyObject* callable_object, PyObject* args, PyObject* kw);
static PyTypeObject PySideCallableObjectType = {
PyVarObject_HEAD_INIT(0, 0)
const_cast<char*>("PySide.Callable"),
sizeof(PySideCallableObject), /*tp_basicsize*/
0, /*tp_itemsize*/
0, /*tp_dealloc*/
0, /*tp_print*/
0, /*tp_getattr*/
0, /*tp_setattr*/
0, /*tp_compare*/
0, /*tp_repr*/
0, /*tp_as_number*/
0, /*tp_as_sequence*/
0, /*tp_as_mapping*/
0, /*tp_hash */
CallableObject_call, /*tp_call*/
0, /*tp_str*/
0, /*tp_getattro*/
0, /*tp_setattro*/
0, /*tp_as_buffer*/
Py_TPFLAGS_DEFAULT, /*tp_flags*/
0, /* tp_doc */
};
static PyObject* CallableObject_call(PyObject* callable_object, PyObject* args, PyObject* kw)
{
PySideCallableObject* obj = (PySideCallableObject*)(callable_object);
obj->weakref_func(obj->user_data);
Py_XDECREF(PyTuple_GET_ITEM(args, 0)); //kill weak ref object
Py_RETURN_NONE;
}
namespace PySide { namespace WeakRef {
PyObject* create(PyObject* obj, PySideWeakRefFunction func, void* userData)
{
if (obj == Py_None)
return 0;
if (Py_TYPE(&PySideCallableObjectType) == 0)
{
Py_TYPE(&PySideCallableObjectType) = &PyType_Type;
PyType_Ready(&PySideCallableObjectType);
}
PySideCallableObject* callable = PyObject_New(PySideCallableObject, &PySideCallableObjectType);
if (!callable || PyErr_Occurred())
return 0;
PyObject* weak = PyWeakref_NewRef(obj, (PyObject*)callable);
if (!weak || PyErr_Occurred())
return 0;
Py_DECREF(callable);
callable->weakref_func = func;
callable->user_data = userData;
return (PyObject*)weak;
}
} } //namespace
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