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code cleanup and rename of PythonQtWrapper to PythonQtInstanceWrapper and PythonQtMetaObjectWrapper to PythonQtClassWrapper, since these names match much better what these classes wrap, regarding that we are wrapping CPP objects as well...
code cleanup and rename of PythonQtWrapper to PythonQtInstanceWrapper and PythonQtMetaObjectWrapper to PythonQtClassWrapper, since these names match much better what these classes wrap, regarding that we are wrapping CPP objects as well git-svn-id: svn://svn.code.sf.net/p/pythonqt/code/trunk@52 ea8d5007-eb21-0410-b261-ccb3ea6e24a9

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PythonQtClassWrapper.cpp
256 lines | 8.7 KiB | text/x-c | CppLexer
/ src / PythonQtClassWrapper.cpp
/*
*
* Copyright (C) 2006 MeVis Research GmbH All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Contact information: MeVis Research GmbH, Universitaetsallee 29,
* 28359 Bremen, Germany or:
*
* http://www.mevis.de
*
*/
//----------------------------------------------------------------------------------
/*!
// \file PythonQtClassWrapper.cpp
// \author Florian Link
// \author Last changed by $Author: florian $
// \date 2006-05
*/
//----------------------------------------------------------------------------------
#include "PythonQtClassWrapper.h"
#include <QObject>
#include "PythonQt.h"
#include "PythonQtSlot.h"
#include "PythonQtClassInfo.h"
#include "PythonQtConversion.h"
static void PythonQtClassWrapper_dealloc(PythonQtClassWrapper* self)
{
self->ob_type->tp_free((PyObject*)self);
}
static PyObject* PythonQtClassWrapper_new(PyTypeObject *type, PyObject * /*args*/, PyObject * /*kwds*/)
{
PythonQtClassWrapper *self;
self = (PythonQtClassWrapper *)type->tp_alloc(type, 0);
if (self != NULL) {
self->_info = NULL;
}
return (PyObject *)self;
}
static int PythonQtClassWrapper_init(PythonQtClassWrapper * /*self*/, PyObject * /*args*/, PyObject * /*kwds*/)
{
return 0;
}
PyObject *PythonQtClassWrapper_call(PyObject *func, PyObject *args, PyObject *kw) {
PythonQtClassWrapper* wrapper = (PythonQtClassWrapper*)func;
PyObject* result = NULL;
QString error;
PyObject* err = NULL;
if (wrapper->_info->constructors()) {
result = PythonQtSlotFunction_CallImpl(NULL, wrapper->_info->constructors(), args, kw);
err = PyErr_Occurred();
}
if (!result) {
QObject* v = NULL;
QListIterator<PythonQtConstructorHandler*> it(PythonQt::self()->constructorHandlers());
while (!v && it.hasNext()) {
v = it.next()->create(wrapper->_info->metaObject(), args, kw, error);
}
if (v) {
result = PythonQt::priv()->wrapQObject(v);
}
}
if (result) {
// change ownershipflag to be owned by PythonQt
if (result->ob_type == &PythonQtInstanceWrapper_Type) {
((PythonQtInstanceWrapper*)result)->_ownedByPythonQt = true;
}
} else {
if (!wrapper->_info->constructors()) {
if (!err) {
if (error.isEmpty()) {
error = QString("No constructors available for ") + wrapper->_info->className();
}
PyErr_SetString(PyExc_ValueError, error.toLatin1().data());
}
}
}
return result;
}
static PyObject *PythonQtClassWrapper_classname(PythonQtClassWrapper* type)
{
return PyString_FromString((QString("Meta_") + type->_info->className()).toLatin1().data());
}
static PyObject *PythonQtClassWrapper_help(PythonQtClassWrapper* type)
{
return PythonQt::self()->helpCalled(type->_info);
}
static PyMethodDef PythonQtClassWrapper_methods[] = {
{"className", (PyCFunction)PythonQtClassWrapper_classname, METH_NOARGS,
"Return the classname of the object"
},
{"help", (PyCFunction)PythonQtClassWrapper_help, METH_NOARGS,
"Shows the help of available methods for this class"
},
{NULL, NULL, 0 , NULL} /* Sentinel */
};
static PyObject *PythonQtClassWrapper_getattro(PyObject *obj,PyObject *name)
{
const char *attributeName;
PythonQtClassWrapper *wrapper = (PythonQtClassWrapper *)obj;
if ((attributeName = PyString_AsString(name)) == NULL) {
return NULL;
}
PythonQtMemberInfo member = wrapper->_info->member(attributeName);
if (member._type == PythonQtMemberInfo::EnumValue) {
return PyInt_FromLong(member._enumValue);
}
if (member._type == PythonQtMemberInfo::Slot && member._slot->isClassDecorator()) {
return PythonQtSlotFunction_New(member._slot, obj, NULL);
}
// look for the interal methods (className(), help())
PyObject* internalMethod = Py_FindMethod( PythonQtClassWrapper_methods, obj, (char*)attributeName);
if (internalMethod) {
return internalMethod;
}
PyErr_Clear();
if (qstrcmp(attributeName, "__dict__")==0) {
QStringList l = wrapper->_info->memberList(true);
PyObject* dict = PyDict_New();
foreach (QString name, l) {
//PyObject* o = PyObject_GetAttrString(obj, name.toLatin1().data());
PyDict_SetItemString(dict, name.toLatin1().data(), Py_None);
//Py_DECREF(o);
}
return dict;
}
QString error = QString(wrapper->_info->className()) + " has no attribute named '" + QString(attributeName) + "'";
PyErr_SetString(PyExc_AttributeError, error.toLatin1().data());
return NULL;
}
static PyObject * PythonQtClassWrapper_repr(PyObject * obj)
{
PythonQtClassWrapper* wrapper = (PythonQtClassWrapper*)obj;
if (wrapper->_info->isCPPWrapper()) {
const QMetaObject* meta = wrapper->_info->metaObject();
if (!meta) {
QObject* decorator = wrapper->_info->decorator();
if (decorator) {
meta = decorator->metaObject();
}
}
if (meta) {
return PyString_FromFormat("%s Class (C++ wrapped by %s)", wrapper->_info->className(), meta->className());
} else {
return PyString_FromFormat("%s Class (C++ unwrapped)", wrapper->_info->className());
}
} else {
return PyString_FromFormat("%s Class", wrapper->_info->className());
}
}
static int PythonQtClassWrapper_compare(PyObject * obj1, PyObject * obj2)
{
if (obj1->ob_type == &PythonQtClassWrapper_Type &&
obj2->ob_type == &PythonQtClassWrapper_Type) {
PythonQtClassWrapper* w1 = (PythonQtClassWrapper*)obj1;
PythonQtClassWrapper* w2 = (PythonQtClassWrapper*)obj2;
if (w1->_info == w2->_info) {
return 0;
} else {
return -1;
}
} else {
return -1;
}
}
static long PythonQtClassWrapper_hash(PythonQtClassWrapper *obj)
{
return reinterpret_cast<long>(obj->_info);
}
PyTypeObject PythonQtClassWrapper_Type = {
PyObject_HEAD_INIT(NULL)
0, /*ob_size*/
"PythonQt.PythonQtClassWrapper", /*tp_name*/
sizeof(PythonQtClassWrapper), /*tp_basicsize*/
0, /*tp_itemsize*/
(destructor)PythonQtClassWrapper_dealloc, /*tp_dealloc*/
0, /*tp_print*/
0, /*tp_getattr*/
0, /*tp_setattr*/
PythonQtClassWrapper_compare, /*tp_compare*/
PythonQtClassWrapper_repr, /*tp_repr*/
0, /*tp_as_number*/
0, /*tp_as_sequence*/
0, /*tp_as_mapping*/
(hashfunc)PythonQtClassWrapper_hash, /*tp_hash */
PythonQtClassWrapper_call, /*tp_call*/
0, /*tp_str*/
PythonQtClassWrapper_getattro, /*tp_getattro*/
0, /*tp_setattro*/
0, /*tp_as_buffer*/
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/
"PythonQtClassWrapper object", /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
0, /* tp_methods */
0, /* tp_members */
0, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
(initproc)PythonQtClassWrapper_init, /* tp_init */
0, /* tp_alloc */
PythonQtClassWrapper_new, /* tp_new */
};
//-------------------------------------------------------