PythonQtClassWrapper.cpp
293 lines
| 10.0 KiB
| text/x-c
|
CppLexer
/ src / PythonQtClassWrapper.cpp
ezust
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r0 | /* | ||
| * | ||||
| * 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 | ||||
| * | ||||
| */ | ||||
| //---------------------------------------------------------------------------------- | ||||
| /*! | ||||
florianlink
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r16 | // \file PythonQtClassWrapper.cpp | ||
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r0 | // \author Florian Link | ||
| // \author Last changed by $Author: florian $ | ||||
| // \date 2006-05 | ||||
| */ | ||||
| //---------------------------------------------------------------------------------- | ||||
|
florianlink
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r16 | #include "PythonQtClassWrapper.h" | ||
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r0 | #include <QObject> | ||
| #include "PythonQt.h" | ||||
| #include "PythonQtSlot.h" | ||||
| #include "PythonQtClassInfo.h" | ||||
| #include "PythonQtConversion.h" | ||||
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r22 | #include "PythonQtInstanceWrapper.h" | ||
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r0 | |||
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r18 | static PyObject* PythonQtClassWrapper_alloc(PyTypeObject *self, Py_ssize_t nitems) | ||
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r0 | { | ||
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florianlink
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r18 | // call the default type alloc | ||
| PyObject* obj = PyType_Type.tp_alloc(self, nitems); | ||||
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r0 | |||
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r18 | // take current class type, if we are called via newPythonQtClassWrapper() | ||
| PythonQtClassWrapper* wrap = (PythonQtClassWrapper*)obj; | ||||
| wrap->_classInfo = PythonQt::priv()->currentClassInfoForClassWrapperCreation(); | ||||
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r0 | |||
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r18 | return obj; | ||
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r0 | } | ||
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r18 | static int PythonQtClassWrapper_init(PythonQtClassWrapper* self, PyObject* args, PyObject* kwds) | ||
| { | ||||
| // call the default type init | ||||
| if (PyType_Type.tp_init((PyObject *)self, args, kwds) < 0) { | ||||
| return -1; | ||||
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r0 | } | ||
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r18 | |||
| // if we have no CPP class information, try our base class | ||||
| if (!self->classInfo()) { | ||||
| PyTypeObject* superType = ((PyTypeObject *)self)->tp_base; | ||||
| if (!superType || (superType->ob_type != &PythonQtClassWrapper_Type)) { | ||||
| PyErr_Format(PyExc_TypeError, "type %s is not derived from PythonQtClassWrapper", ((PyTypeObject*)self)->tp_name); | ||||
| return -1; | ||||
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r0 | } | ||
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r18 | |||
| // take the class info from the superType | ||||
| self->_classInfo = ((PythonQtClassWrapper*)superType)->classInfo(); | ||||
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r0 | } | ||
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r18 | |||
| return 0; | ||||
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r0 | } | ||
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r16 | static PyObject *PythonQtClassWrapper_classname(PythonQtClassWrapper* type) | ||
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r0 | { | ||
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r18 | return PyString_FromString((QString("Class_") + type->classInfo()->className()).toLatin1().data()); | ||
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r0 | } | ||
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r16 | static PyObject *PythonQtClassWrapper_help(PythonQtClassWrapper* type) | ||
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r0 | { | ||
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r18 | return PythonQt::self()->helpCalled(type->classInfo()); | ||
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r0 | } | ||
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r22 | PyObject *PythonQtClassWrapper__init__(PythonQtClassWrapper *type, PyObject *args) | ||
| { | ||||
| Py_ssize_t argc = PyTuple_Size(args); | ||||
| if (argc>0) { | ||||
| // we need to call __init__ of the instance | ||||
| PyObject* self = PyTuple_GET_ITEM(args, 0); | ||||
| if (PyObject_TypeCheck(self, (PyTypeObject*)type->classInfo()->pythonQtClassWrapper())) { | ||||
| PyObject* newargs = PyTuple_New(argc-1); | ||||
| for (int i = 0;i<argc-1; i++) { | ||||
| PyTuple_SET_ITEM(newargs, i,PyTuple_GET_ITEM(args, i+1)); | ||||
| } | ||||
| PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)self; | ||||
| int result = PythonQtInstanceWrapper_init(wrapper, newargs, NULL); | ||||
| Py_DECREF(newargs); | ||||
| if (result==0) { | ||||
| Py_INCREF(Py_None); | ||||
| return Py_None; | ||||
| } else { | ||||
| // init failed! | ||||
| } | ||||
| } else { | ||||
| // self not of correct type! | ||||
| } | ||||
| } else { | ||||
| // wrong number of args | ||||
| } | ||||
| return NULL; | ||||
| } | ||||
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r0 | |||
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r16 | static PyMethodDef PythonQtClassWrapper_methods[] = { | ||
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r22 | {"__init__", (PyCFunction)PythonQtClassWrapper__init__, METH_VARARGS, | ||
| "Return the classname of the object" | ||||
| }, | ||||
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r16 | {"className", (PyCFunction)PythonQtClassWrapper_classname, METH_NOARGS, | ||
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r0 | "Return the classname of the object" | ||
| }, | ||||
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r16 | {"help", (PyCFunction)PythonQtClassWrapper_help, METH_NOARGS, | ||
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r0 | "Shows the help of available methods for this class" | ||
| }, | ||||
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r8 | {NULL, NULL, 0 , NULL} /* Sentinel */ | ||
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r0 | }; | ||
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r18 | static PyObject *PythonQtClassWrapper_getattro(PyObject *obj, PyObject *name) | ||
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r0 | { | ||
| const char *attributeName; | ||||
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r16 | PythonQtClassWrapper *wrapper = (PythonQtClassWrapper *)obj; | ||
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r22 | |||
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r0 | if ((attributeName = PyString_AsString(name)) == NULL) { | ||
| return NULL; | ||||
| } | ||||
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r22 | if (obj == (PyObject*)&PythonQtInstanceWrapper_Type) { | ||
| return NULL; | ||||
| } | ||||
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r0 | |||
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r22 | if (qstrcmp(attributeName, "__dict__")==0) { | ||
| PyObject* dict = ((PyTypeObject *)wrapper)->tp_dict; | ||||
| if (!wrapper->classInfo()) { | ||||
| Py_INCREF(dict); | ||||
| return dict; | ||||
| } | ||||
| dict = PyDict_Copy(dict); | ||||
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r23 | QStringList l = wrapper->classInfo()->memberList(false); | ||
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r22 | foreach (QString name, l) { | ||
| PyObject* o = PyObject_GetAttrString(obj, name.toLatin1().data()); | ||||
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r23 | if (o) { | ||
| PyDict_SetItemString(dict, name.toLatin1().data(), o); | ||||
| Py_DECREF(o); | ||||
| } else { | ||||
| // it must have been a property or child, which we do not know as a class object... | ||||
| } | ||||
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r22 | } | ||
| if (wrapper->classInfo()->constructors()) { | ||||
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r23 | PyObject* func = PyCFunction_New(&PythonQtClassWrapper_methods[0], obj); | ||
| PyDict_SetItemString(dict, "__init__", func); | ||||
| Py_DECREF(func); | ||||
| } | ||||
| for (int i = 1;i<3;i++) { | ||||
| PyObject* func = PyCFunction_New(&PythonQtClassWrapper_methods[i], obj); | ||||
| PyDict_SetItemString(dict, PythonQtClassWrapper_methods[i].ml_name, func); | ||||
| Py_DECREF(func); | ||||
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r22 | } | ||
| return dict; | ||||
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r0 | } | ||
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r22 | |||
| if (wrapper->classInfo()) { | ||||
| PythonQtMemberInfo member = wrapper->classInfo()->member(attributeName); | ||||
| if (member._type == PythonQtMemberInfo::EnumValue) { | ||||
| return PyInt_FromLong(member._enumValue); | ||||
| } else | ||||
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r23 | if (member._type == PythonQtMemberInfo::Slot) { | ||
| // we return all slots, even the instance slots, since they are callable as unbound slots with self argument | ||||
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r22 | return PythonQtSlotFunction_New(member._slot, obj, NULL); | ||
| } | ||||
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r0 | } | ||
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r4 | |||
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r0 | // look for the interal methods (className(), help()) | ||
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r16 | PyObject* internalMethod = Py_FindMethod( PythonQtClassWrapper_methods, obj, (char*)attributeName); | ||
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r0 | if (internalMethod) { | ||
| return internalMethod; | ||||
| } | ||||
| PyErr_Clear(); | ||||
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r22 | // look in super | ||
| PyObject* superAttr = PyType_Type.tp_getattro(obj, name); | ||||
| if (superAttr) { | ||||
| return superAttr; | ||||
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r0 | } | ||
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r18 | QString error = QString(wrapper->classInfo()->className()) + " has no attribute named '" + QString(attributeName) + "'"; | ||
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r0 | PyErr_SetString(PyExc_AttributeError, error.toLatin1().data()); | ||
| return NULL; | ||||
| } | ||||
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r18 | static int PythonQtClassWrapper_setattro(PyObject *obj,PyObject *name,PyObject * /*value*/) | ||
| { | ||||
| QString error; | ||||
| char *attributeName; | ||||
| if ((attributeName = PyString_AsString(name)) == NULL) { | ||||
| return -1; | ||||
| } | ||||
| PythonQtClassWrapper *wrapper = (PythonQtClassWrapper *)obj; | ||||
| // TODO | ||||
| return -1; | ||||
| } | ||||
| /* | ||||
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r16 | static PyObject * PythonQtClassWrapper_repr(PyObject * obj) | ||
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r0 | { | ||
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r16 | PythonQtClassWrapper* wrapper = (PythonQtClassWrapper*)obj; | ||
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r18 | if (wrapper->classInfo()->isCPPWrapper()) { | ||
| const QMetaObject* meta = wrapper->classInfo()->metaObject(); | ||||
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r10 | if (!meta) { | ||
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r18 | QObject* decorator = wrapper->classInfo()->decorator(); | ||
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r10 | if (decorator) { | ||
| meta = decorator->metaObject(); | ||||
| } | ||||
| } | ||||
| if (meta) { | ||||
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r18 | return PyString_FromFormat("%s Class (C++ wrapped by %s)", wrapper->classInfo()->className(), meta->className()); | ||
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r0 | } else { | ||
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r18 | return PyString_FromFormat("%s Class (C++ unwrapped)", wrapper->classInfo()->className()); | ||
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r0 | } | ||
| } else { | ||||
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r18 | return PyString_FromFormat("%s Class", wrapper->classInfo()->className()); | ||
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r0 | } | ||
| } | ||||
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r18 | */ | ||
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r4 | |||
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r16 | PyTypeObject PythonQtClassWrapper_Type = { | ||
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r0 | PyObject_HEAD_INIT(NULL) | ||
| 0, /*ob_size*/ | ||||
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r16 | "PythonQt.PythonQtClassWrapper", /*tp_name*/ | ||
| sizeof(PythonQtClassWrapper), /*tp_basicsize*/ | ||||
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r0 | 0, /*tp_itemsize*/ | ||
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r18 | 0, /*tp_dealloc*/ | ||
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r0 | 0, /*tp_print*/ | ||
| 0, /*tp_getattr*/ | ||||
| 0, /*tp_setattr*/ | ||||
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r18 | 0, /*tp_compare*/ | ||
| 0, //PythonQtClassWrapper_repr, /*tp_repr*/ | ||||
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r0 | 0, /*tp_as_number*/ | ||
| 0, /*tp_as_sequence*/ | ||||
| 0, /*tp_as_mapping*/ | ||||
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r18 | 0, /*tp_hash */ | ||
| 0, /*tp_call*/ | ||||
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r0 | 0, /*tp_str*/ | ||
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r16 | PythonQtClassWrapper_getattro, /*tp_getattro*/ | ||
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r18 | PythonQtClassWrapper_setattro, /*tp_setattro*/ | ||
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r0 | 0, /*tp_as_buffer*/ | ||
| Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/ | ||||
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r18 | 0, /* tp_doc */ | ||
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r0 | 0, /* tp_traverse */ | ||
| 0, /* tp_clear */ | ||||
| 0, /* tp_richcompare */ | ||||
| 0, /* tp_weaklistoffset */ | ||||
| 0, /* tp_iter */ | ||||
| 0, /* tp_iternext */ | ||||
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r22 | 0, /* tp_methods */ | ||
| 0, /* tp_members */ | ||||
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r0 | 0, /* tp_getset */ | ||
| 0, /* tp_base */ | ||||
| 0, /* tp_dict */ | ||||
| 0, /* tp_descr_get */ | ||||
| 0, /* tp_descr_set */ | ||||
| 0, /* tp_dictoffset */ | ||||
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r16 | (initproc)PythonQtClassWrapper_init, /* tp_init */ | ||
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r18 | PythonQtClassWrapper_alloc, /* tp_alloc */ | ||
| 0, /* tp_new */ | ||||
| 0, /* tp_free */ | ||||
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r0 | }; | ||
| //------------------------------------------------------- | ||||