PythonQtInstanceWrapper.cpp
620 lines
| 22.6 KiB
| text/x-c
|
CppLexer
/ src / PythonQtInstanceWrapper.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 PythonQtInstanceWrapper.cpp | ||
ezust
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r0 | // \author Florian Link | ||
// \author Last changed by $Author: florian $ | ||||
// \date 2006-05 | ||||
*/ | ||||
//---------------------------------------------------------------------------------- | ||||
florianlink
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r16 | #include "PythonQtInstanceWrapper.h" | ||
ezust
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r0 | #include <QObject> | ||
#include "PythonQt.h" | ||||
#include "PythonQtSlot.h" | ||||
#include "PythonQtClassInfo.h" | ||||
#include "PythonQtConversion.h" | ||||
florianlink
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r18 | #include "PythonQtClassWrapper.h" | ||
florianlink
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r21 | PythonQtClassInfo* PythonQtInstanceWrapperStruct::classInfo() | ||
florianlink
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r18 | { | ||
// take the class info from our type object | ||||
return ((PythonQtClassWrapper*)ob_type)->_classInfo; | ||||
} | ||||
ezust
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r0 | |||
florianlink
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r16 | static void PythonQtInstanceWrapper_deleteObject(PythonQtInstanceWrapper* self, bool force = false) { | ||
florianlink
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r15 | |||
// is this a C++ wrapper? | ||||
ezust
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r0 | if (self->_wrappedPtr) { | ||
florianlink
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r18 | //mlabDebugConst("Python","c++ wrapper removed " << self->_wrappedPtr << " " << self->_obj->className() << " " << self->classInfo()->wrappedClassName().latin1()); | ||
florianlink
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r10 | |||
ezust
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r0 | PythonQt::priv()->removeWrapperPointer(self->_wrappedPtr); | ||
// we own our qobject, so we delete it now: | ||||
delete self->_obj; | ||||
self->_obj = NULL; | ||||
florianlink
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r18 | if (force || self->classInfo()->hasOwnerMethodButNoOwner(self->_wrappedPtr) || self->_ownedByPythonQt) { | ||
int type = self->classInfo()->metaTypeId(); | ||||
florianlink
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r10 | if (self->_useQMetaTypeDestroy && type>=0) { | ||
// use QMetaType to destroy the object | ||||
QMetaType::destroy(type, self->_wrappedPtr); | ||||
ezust
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r0 | } else { | ||
florianlink
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r24 | PythonQtSlotInfo* slot = self->classInfo()->destructor(); | ||
florianlink
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r10 | if (slot) { | ||
void* args[2]; | ||||
args[0] = NULL; | ||||
args[1] = &self->_wrappedPtr; | ||||
slot->decorator()->qt_metacall(QMetaObject::InvokeMetaMethod, slot->slotIndex(), args); | ||||
self->_wrappedPtr = NULL; | ||||
} else { | ||||
if (type>=0) { | ||||
// use QMetaType to destroy the object | ||||
QMetaType::destroy(type, self->_wrappedPtr); | ||||
} else { | ||||
// TODO: warn about not being able to destroy the object? | ||||
} | ||||
} | ||||
ezust
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r0 | } | ||
} | ||||
florianlink
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r4 | } else { | ||
florianlink
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r18 | //mlabDebugConst("Python","qobject wrapper removed " << self->_obj->className() << " " << self->classInfo()->wrappedClassName().latin1()); | ||
florianlink
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r4 | if (self->_objPointerCopy) { | ||
PythonQt::priv()->removeWrapperPointer(self->_objPointerCopy); | ||||
} | ||||
if (self->_obj) { | ||||
florianlink
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r15 | if (force || self->_ownedByPythonQt) { | ||
if (force || !self->_obj->parent()) { | ||||
florianlink
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r4 | delete self->_obj; | ||
} | ||||
} else { | ||||
if (self->_obj->parent()==NULL) { | ||||
// tell someone who is interested that the qobject is no longer wrapped, if it has no parent | ||||
PythonQt::qObjectNoLongerWrappedCB(self->_obj); | ||||
} | ||||
ezust
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r0 | } | ||
} | ||||
} | ||||
florianlink
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r4 | self->_obj = NULL; | ||
florianlink
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r10 | } | ||
florianlink
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r16 | static void PythonQtInstanceWrapper_dealloc(PythonQtInstanceWrapper* self) | ||
florianlink
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r10 | { | ||
florianlink
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r16 | PythonQtInstanceWrapper_deleteObject(self); | ||
florianlink
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r4 | self->_obj.~QPointer<QObject>(); | ||
ezust
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r0 | self->ob_type->tp_free((PyObject*)self); | ||
} | ||||
florianlink
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r55 | static PyObject* PythonQtInstanceWrapper_new(PyTypeObject *type, PyObject * /*args*/, PyObject * /*kwds*/) | ||
ezust
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r0 | { | ||
florianlink
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r24 | //PythonQtClassWrapper *classType = (PythonQtClassWrapper*)type; | ||
florianlink
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r16 | PythonQtInstanceWrapper *self; | ||
florianlink
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r18 | static PyObject* emptyTuple = NULL; | ||
if (emptyTuple==NULL) { | ||||
emptyTuple = PyTuple_New(0); | ||||
} | ||||
self = (PythonQtInstanceWrapper*)PyBaseObject_Type.tp_new(type, emptyTuple, NULL); | ||||
florianlink
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r4 | |||
ezust
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r0 | if (self != NULL) { | ||
florianlink
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r4 | new (&self->_obj) QPointer<QObject>(); | ||
ezust
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r0 | self->_wrappedPtr = NULL; | ||
self->_ownedByPythonQt = false; | ||||
florianlink
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r10 | self->_useQMetaTypeDestroy = false; | ||
florianlink
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r24 | self->_isShellInstance = false; | ||
ezust
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r0 | } | ||
return (PyObject *)self; | ||||
} | ||||
florianlink
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r22 | int PythonQtInstanceWrapper_init(PythonQtInstanceWrapper * self, PyObject * args, PyObject * kwds) | ||
ezust
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r0 | { | ||
florianlink
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r18 | if (args == PythonQtPrivate::dummyTuple()) { | ||
// we are called from the internal PythonQt API, so our data will be filled later on... | ||||
return 0; | ||||
} | ||||
// we are called from python, try to construct our object | ||||
if (self->classInfo()->constructors()) { | ||||
void* directCPPPointer = NULL; | ||||
florianlink
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r41 | PythonQtSlotFunction_CallImpl(self->classInfo(), NULL, self->classInfo()->constructors(), args, kwds, NULL, &directCPPPointer); | ||
florianlink
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r18 | if (PyErr_Occurred()) { | ||
return -1; | ||||
} | ||||
if (directCPPPointer) { | ||||
// change ownershipflag to be owned by PythonQt | ||||
self->_ownedByPythonQt = true; | ||||
self->_useQMetaTypeDestroy = false; | ||||
if (self->classInfo()->isCPPWrapper()) { | ||||
self->_wrappedPtr = directCPPPointer; | ||||
// TODO xxx: if there is a wrapper factory, we might want to generate a wrapper for our class?! | ||||
} else { | ||||
self->setQObject((QObject*)directCPPPointer); | ||||
} | ||||
// register with PythonQt | ||||
PythonQt::priv()->addWrapperPointer(directCPPPointer, self); | ||||
florianlink
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r24 | |||
PythonQtShellSetInstanceWrapperCB* cb = self->classInfo()->shellSetInstanceWrapperCB(); | ||||
if (cb) { | ||||
// if we are a derived python class, we set the wrapper | ||||
// to activate the shell class, otherwise we just ignore that it is a shell... | ||||
// we detect it be checking if the type does not have PythonQtInstanceWrapper_Type as direct base class, | ||||
// which is the case for all non-python derived types | ||||
if (((PyObject*)self)->ob_type->tp_base != &PythonQtInstanceWrapper_Type) { | ||||
// set the wrapper and remember that we have a shell instance! | ||||
(*cb)(directCPPPointer, self); | ||||
self->_isShellInstance = true; | ||||
} | ||||
} | ||||
florianlink
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r18 | } | ||
} else { | ||||
QString error = QString("No constructors available for ") + self->classInfo()->className(); | ||||
PyErr_SetString(PyExc_ValueError, error.toLatin1().data()); | ||||
return -1; | ||||
} | ||||
ezust
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r0 | return 0; | ||
} | ||||
florianlink
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r30 | static PyObject *PythonQtInstanceWrapper_classname(PythonQtInstanceWrapper* obj) | ||
ezust
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r0 | { | ||
florianlink
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r30 | return PyString_FromString(obj->ob_type->tp_name); | ||
ezust
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r0 | } | ||
florianlink
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r30 | static PyObject *PythonQtInstanceWrapper_help(PythonQtInstanceWrapper* obj) | ||
ezust
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r0 | { | ||
florianlink
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r30 | return PythonQt::self()->helpCalled(obj->classInfo()); | ||
ezust
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r0 | } | ||
florianlink
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r16 | static PyObject *PythonQtInstanceWrapper_delete(PythonQtInstanceWrapper * self) | ||
florianlink
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r10 | { | ||
florianlink
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r16 | PythonQtInstanceWrapper_deleteObject(self, true); | ||
florianlink
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r10 | Py_INCREF(Py_None); | ||
return Py_None; | ||||
} | ||||
ezust
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r0 | |||
florianlink
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r16 | static PyMethodDef PythonQtInstanceWrapper_methods[] = { | ||
{"className", (PyCFunction)PythonQtInstanceWrapper_classname, METH_NOARGS, | ||||
ezust
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r0 | "Return the classname of the object" | ||
}, | ||||
florianlink
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r16 | {"help", (PyCFunction)PythonQtInstanceWrapper_help, METH_NOARGS, | ||
ezust
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r0 | "Shows the help of available methods for this class" | ||
}, | ||||
florianlink
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r16 | {"delete", (PyCFunction)PythonQtInstanceWrapper_delete, METH_NOARGS, | ||
florianlink
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r10 | "Deletes the C++ object (at your own risk, my friend!)" | ||
}, | ||||
{NULL, NULL, 0, NULL} /* Sentinel */ | ||||
ezust
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r0 | }; | ||
florianlink
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r16 | static PyObject *PythonQtInstanceWrapper_getattro(PyObject *obj,PyObject *name) | ||
ezust
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r0 | { | ||
const char *attributeName; | ||||
florianlink
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r16 | PythonQtInstanceWrapper *wrapper = (PythonQtInstanceWrapper *)obj; | ||
florianlink
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r4 | |||
ezust
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r0 | if ((attributeName = PyString_AsString(name)) == NULL) { | ||
return NULL; | ||||
} | ||||
florianlink
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r4 | |||
florianlink
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r24 | if (qstrcmp(attributeName, "__dict__")==0) { | ||
florianlink
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r34 | PyObject* dict = PyBaseObject_Type.tp_getattro(obj, name); | ||
dict = PyDict_Copy(dict); | ||||
florianlink
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r78 | if (wrapper->_obj) { | ||
// only the properties are missing, the rest is already available from | ||||
// PythonQtClassWrapper... | ||||
QStringList l = wrapper->classInfo()->propertyList(); | ||||
foreach (QString name, l) { | ||||
PyObject* o = PyObject_GetAttrString(obj, name.toLatin1().data()); | ||||
if (o) { | ||||
PyDict_SetItemString(dict, name.toLatin1().data(), o); | ||||
Py_DECREF(o); | ||||
} else { | ||||
std::cerr << "PythonQtInstanceWrapper: something is wrong, could not get attribute " << name.toLatin1().data(); | ||||
} | ||||
florianlink
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r34 | } | ||
florianlink
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r85 | |||
QList<QByteArray> dynamicProps = wrapper->_obj->dynamicPropertyNames(); | ||||
foreach (QByteArray name, dynamicProps) { | ||||
PyObject* o = PyObject_GetAttrString(obj, name.data()); | ||||
if (o) { | ||||
PyDict_SetItemString(dict, name.data(), o); | ||||
Py_DECREF(o); | ||||
} else { | ||||
std::cerr << "PythonQtInstanceWrapper: dynamic property could not be read " << name.data(); | ||||
} | ||||
} | ||||
florianlink
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r24 | } | ||
// Note: we do not put children into the dict, is would look confusing?! | ||||
return dict; | ||||
} | ||||
// first look in super, to return derived methods from base object first | ||||
PyObject* superAttr = PyBaseObject_Type.tp_getattro(obj, name); | ||||
if (superAttr) { | ||||
return superAttr; | ||||
} | ||||
florianlink
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r27 | PyErr_Clear(); | ||
florianlink
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r24 | |||
ezust
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r0 | // mlabDebugConst("Python","get " << attributeName); | ||
florianlink
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r4 | |||
florianlink
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r18 | PythonQtMemberInfo member = wrapper->classInfo()->member(attributeName); | ||
ezust
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r0 | switch (member._type) { | ||
case PythonQtMemberInfo::Property: | ||||
florianlink
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r16 | if (wrapper->_obj) { | ||
florianlink
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r27 | if (member._property.userType() != QVariant::Invalid) { | ||
return PythonQtConv::QVariantToPyObject(member._property.read(wrapper->_obj)); | ||||
} else { | ||||
Py_INCREF(Py_None); | ||||
return Py_None; | ||||
} | ||||
florianlink
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r78 | } else { | ||
QString error = QString("Trying to read property '") + attributeName + "' from a destroyed " + wrapper->classInfo()->className() + " object"; | ||||
PyErr_SetString(PyExc_ValueError, error.toLatin1().data()); | ||||
return NULL; | ||||
ezust
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r0 | } | ||
break; | ||||
case PythonQtMemberInfo::Slot: | ||||
return PythonQtSlotFunction_New(member._slot, obj, NULL); | ||||
break; | ||||
case PythonQtMemberInfo::EnumValue: | ||||
florianlink
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r72 | { | ||
florianlink
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r78 | PyObject* enumValue = member._enumValue; | ||
Py_INCREF(enumValue); | ||||
return enumValue; | ||||
florianlink
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r72 | } | ||
florianlink
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r51 | break; | ||
case PythonQtMemberInfo::EnumWrapper: | ||||
florianlink
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r72 | { | ||
florianlink
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r78 | PyObject* enumWrapper = member._enumWrapper; | ||
Py_INCREF(enumWrapper); | ||||
return enumWrapper; | ||||
florianlink
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r72 | } | ||
ezust
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r0 | break; | ||
florianlink
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r85 | case PythonQtMemberInfo::NotFound: | ||
// handle dynamic properties | ||||
if (wrapper->_obj) { | ||||
QVariant v = wrapper->_obj->property(attributeName); | ||||
if (v.isValid()) { | ||||
return PythonQtConv::QVariantToPyObject(v); | ||||
} | ||||
} | ||||
break; | ||||
florianlink
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r78 | default: | ||
// is an invalid type, go on | ||||
florianlink
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r8 | break; | ||
ezust
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r0 | } | ||
florianlink
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r4 | |||
florianlink
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r78 | // look for the internal methods (className(), help()) | ||
florianlink
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r16 | PyObject* internalMethod = Py_FindMethod( PythonQtInstanceWrapper_methods, obj, (char*)attributeName); | ||
ezust
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r0 | if (internalMethod) { | ||
return internalMethod; | ||||
} | ||||
PyErr_Clear(); | ||||
florianlink
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r22 | if (wrapper->_obj) { | ||
// look for a child | ||||
QObjectList children = wrapper->_obj->children(); | ||||
for (int i = 0; i < children.count(); i++) { | ||||
QObject *child = children.at(i); | ||||
if (child->objectName() == attributeName) { | ||||
florianlink
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r81 | return PythonQt::priv()->wrapQObject(child); | ||
florianlink
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r22 | } | ||
} | ||||
} | ||||
florianlink
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r4 | |||
florianlink
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r18 | QString error = QString(wrapper->classInfo()->className()) + " has no attribute named '" + QString(attributeName) + "'"; | ||
ezust
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r0 | PyErr_SetString(PyExc_AttributeError, error.toLatin1().data()); | ||
return NULL; | ||||
} | ||||
florianlink
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r16 | static int PythonQtInstanceWrapper_setattro(PyObject *obj,PyObject *name,PyObject *value) | ||
ezust
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r0 | { | ||
QString error; | ||||
char *attributeName; | ||||
florianlink
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r16 | PythonQtInstanceWrapper *wrapper = (PythonQtInstanceWrapper *)obj; | ||
florianlink
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r4 | |||
ezust
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r0 | if ((attributeName = PyString_AsString(name)) == NULL) | ||
return -1; | ||||
florianlink
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r4 | |||
florianlink
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r18 | PythonQtMemberInfo member = wrapper->classInfo()->member(attributeName); | ||
ezust
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r0 | if (member._type == PythonQtMemberInfo::Property) { | ||
florianlink
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r48 | |||
if (!wrapper->_obj) { | ||||
error = QString("Trying to set property '") + attributeName + "' on a destroyed " + wrapper->classInfo()->className() + " object"; | ||||
PyErr_SetString(PyExc_AttributeError, error.toLatin1().data()); | ||||
return -1; | ||||
} | ||||
ezust
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r0 | QMetaProperty prop = member._property; | ||
if (prop.isWritable()) { | ||||
QVariant v; | ||||
if (prop.isEnumType()) { | ||||
// this will give us either a string or an int, everything else will probably be an error | ||||
v = PythonQtConv::PyObjToQVariant(value); | ||||
} else { | ||||
int t = prop.userType(); | ||||
v = PythonQtConv::PyObjToQVariant(value, t); | ||||
} | ||||
bool success = false; | ||||
if (v.isValid()) { | ||||
florianlink
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r16 | success = prop.write(wrapper->_obj, v); | ||
ezust
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r0 | } | ||
if (success) { | ||||
return 0; | ||||
} else { | ||||
error = QString("Property '") + attributeName + "' of type '" + | ||||
prop.typeName() + "' does not accept an object of type " | ||||
+ QString(value->ob_type->tp_name) + " (" + PythonQtConv::PyObjGetRepresentation(value) + ")"; | ||||
} | ||||
} else { | ||||
florianlink
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r30 | error = QString("Property '") + attributeName + "' of " + obj->ob_type->tp_name + " object is not writable"; | ||
ezust
|
r0 | } | ||
florianlink
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r30 | } else if (member._type == PythonQtMemberInfo::Slot) { | ||
error = QString("Slot '") + attributeName + "' can not be overwritten on " + obj->ob_type->tp_name + " object"; | ||||
} else if (member._type == PythonQtMemberInfo::EnumValue) { | ||||
error = QString("EnumValue '") + attributeName + "' can not be overwritten on " + obj->ob_type->tp_name + " object"; | ||||
florianlink
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r51 | } else if (member._type == PythonQtMemberInfo::EnumWrapper) { | ||
error = QString("Enum '") + attributeName + "' can not be overwritten on " + obj->ob_type->tp_name + " object"; | ||||
florianlink
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r30 | } else if (member._type == PythonQtMemberInfo::NotFound) { | ||
florianlink
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r85 | // handle dynamic properties | ||
if (wrapper->_obj) { | ||||
QVariant prop = wrapper->_obj->property(attributeName); | ||||
if (prop.isValid()) { | ||||
QVariant v = PythonQtConv::PyObjToQVariant(value); | ||||
if (v.isValid()) { | ||||
wrapper->_obj->setProperty(attributeName, v); | ||||
return 0; | ||||
} else { | ||||
error = QString("Dynamic property '") + attributeName + "' does not accept an object of type " | ||||
+ QString(value->ob_type->tp_name) + " (" + PythonQtConv::PyObjGetRepresentation(value) + ")"; | ||||
PyErr_SetString(PyExc_AttributeError, error.toLatin1().data()); | ||||
return -1; | ||||
} | ||||
} | ||||
} | ||||
florianlink
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r30 | // if we are a derived python class, we allow setting attributes. | ||
// if we are a direct CPP wrapper, we do NOT allow it, since | ||||
// it would be confusing to allow it because a wrapper will go away when it is not seen by python anymore | ||||
// and when it is recreated from a CPP pointer the attributes are gone... | ||||
if (obj->ob_type->tp_base != &PythonQtInstanceWrapper_Type) { | ||||
return PyBaseObject_Type.tp_setattro(obj,name,value); | ||||
} else { | ||||
error = QString("'") + attributeName + "' does not exist on " + obj->ob_type->tp_name + " and creating new attributes on C++ objects is not allowed"; | ||||
ezust
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r0 | } | ||
} | ||||
florianlink
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r4 | |||
ezust
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r0 | PyErr_SetString(PyExc_AttributeError, error.toLatin1().data()); | ||
return -1; | ||||
} | ||||
florianlink
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r16 | static PyObject * PythonQtInstanceWrapper_str(PyObject * obj) | ||
florianlink
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r10 | { | ||
florianlink
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r16 | PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)obj; | ||
florianlink
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r22 | const char* typeName = obj->ob_type->tp_name; | ||
florianlink
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r16 | QObject *qobj = wrapper->_obj; | ||
if (wrapper->_wrappedPtr) { | ||||
florianlink
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r18 | QString str = PythonQtConv::CPPObjectToString(wrapper->classInfo()->metaTypeId(), wrapper->_wrappedPtr); | ||
florianlink
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r10 | if (!str.isEmpty()) { | ||
return PyString_FromFormat("%s", str.toLatin1().constData()); | ||||
} else | ||||
florianlink
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r16 | if (wrapper->_obj) { | ||
florianlink
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r22 | return PyString_FromFormat("%s (C++ Object %p wrapped by %s %p))", typeName, wrapper->_wrappedPtr, wrapper->_obj->metaObject()->className(), qobj); | ||
florianlink
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r10 | } else { | ||
florianlink
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r22 | return PyString_FromFormat("%s (C++ Object %p)", typeName, wrapper->_wrappedPtr); | ||
florianlink
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r10 | } | ||
} else { | ||||
florianlink
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r22 | return PyString_FromFormat("%s (QObject %p)", typeName, qobj); | ||
florianlink
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r10 | } | ||
} | ||||
florianlink
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r16 | static PyObject * PythonQtInstanceWrapper_repr(PyObject * obj) | ||
ezust
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r0 | { | ||
florianlink
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r16 | PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)obj; | ||
florianlink
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r22 | const char* typeName = obj->ob_type->tp_name; | ||
florianlink
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r16 | QObject *qobj = wrapper->_obj; | ||
if (wrapper->_wrappedPtr) { | ||||
florianlink
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r18 | QString str = PythonQtConv::CPPObjectToString(wrapper->classInfo()->metaTypeId(), wrapper->_wrappedPtr); | ||
florianlink
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r10 | if (!str.isEmpty()) { | ||
florianlink
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r22 | return PyString_FromFormat("%s(%s, %p)", typeName, str.toLatin1().constData(), wrapper->_wrappedPtr); | ||
florianlink
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r10 | } else | ||
florianlink
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r16 | if (wrapper->_obj) { | ||
florianlink
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r22 | return PyString_FromFormat("%s (C++ Object %p wrapped by %s %p))", typeName, wrapper->_wrappedPtr, wrapper->_obj->metaObject()->className(), qobj); | ||
ezust
|
r0 | } else { | ||
florianlink
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r22 | return PyString_FromFormat("%s (C++ Object %p)", typeName, wrapper->_wrappedPtr); | ||
ezust
|
r0 | } | ||
} else { | ||||
florianlink
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r55 | return PyString_FromFormat("%s (%s %p)", typeName, wrapper->classInfo()->className(), qobj); | ||
ezust
|
r0 | } | ||
} | ||||
florianlink
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r16 | static int PythonQtInstanceWrapper_compare(PyObject * obj1, PyObject * obj2) | ||
ezust
|
r0 | { | ||
florianlink
|
r18 | if (PyObject_TypeCheck(obj1, &PythonQtInstanceWrapper_Type) && | ||
PyObject_TypeCheck(obj2, &PythonQtInstanceWrapper_Type)) { | ||||
florianlink
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r4 | |||
florianlink
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r16 | PythonQtInstanceWrapper* w1 = (PythonQtInstanceWrapper*)obj1; | ||
PythonQtInstanceWrapper* w2 = (PythonQtInstanceWrapper*)obj2; | ||||
florianlink
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r10 | // check pointers directly first: | ||
ezust
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r0 | if (w1->_wrappedPtr != NULL) { | ||
florianlink
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r10 | if (w1->_wrappedPtr == w2->_wrappedPtr) { | ||
ezust
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r0 | return 0; | ||
} | ||||
} else if (w1->_obj == w2->_obj) { | ||||
return 0; | ||||
} | ||||
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r18 | const char* class1 = w1->classInfo()->className(); | ||
const char* class2 = w2->classInfo()->className(); | ||||
florianlink
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r10 | if (strcmp(class1, class2) == 0) { | ||
// same class names, so we can try the operator_equal | ||||
florianlink
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r18 | PythonQtMemberInfo info = w1->classInfo()->member("operator_equal"); | ||
florianlink
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r10 | if (info._type == PythonQtMemberInfo::Slot) { | ||
bool result = false; | ||||
void* obj1 = w1->_wrappedPtr; | ||||
if (!obj1) { | ||||
obj1 = w1->_obj; | ||||
} | ||||
if (!obj1) { return -1; } | ||||
void* obj2 = w2->_wrappedPtr; | ||||
if (!obj2) { | ||||
obj2 = w2->_obj; | ||||
} | ||||
if (!obj2) { return -1; } | ||||
if (info._slot->isInstanceDecorator()) { | ||||
// call on decorator QObject | ||||
void* args[3]; | ||||
args[0] = &result; | ||||
args[1] = &obj1; // this is a pointer, so it needs a pointer to a pointer | ||||
args[2] = obj2; // this is a reference, so it needs the direct pointer | ||||
info._slot->decorator()->qt_metacall(QMetaObject::InvokeMetaMethod, info._slot->slotIndex(), args); | ||||
return result?0:-1; | ||||
} else { | ||||
// call directly on QObject | ||||
if (w1->_obj && w2->_obj) { | ||||
void* args[2]; | ||||
args[0] = &result; | ||||
args[2] = obj2; // this is a reference, so it needs the direct pointer | ||||
w1->_obj->qt_metacall(QMetaObject::InvokeMetaMethod, info._slot->slotIndex(), args); | ||||
} | ||||
} | ||||
} | ||||
} | ||||
ezust
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r0 | } | ||
florianlink
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r10 | return -1; | ||
ezust
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r0 | } | ||
florianlink
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r16 | static int PythonQtInstanceWrapper_nonzero(PyObject *obj) | ||
ezust
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r0 | { | ||
florianlink
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r16 | PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)obj; | ||
return (wrapper->_wrappedPtr == NULL && wrapper->_obj == NULL)?0:1; | ||||
ezust
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r0 | } | ||
florianlink
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r4 | |||
florianlink
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r16 | static long PythonQtInstanceWrapper_hash(PythonQtInstanceWrapper *obj) | ||
florianlink
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r4 | { | ||
if (obj->_wrappedPtr != NULL) { | ||||
return reinterpret_cast<long>(obj->_wrappedPtr); | ||||
} else { | ||||
QObject* qobj = obj->_obj; // get pointer from QPointer wrapper | ||||
return reinterpret_cast<long>(qobj); | ||||
} | ||||
} | ||||
ezust
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r0 | // we override nb_nonzero, so that one can do 'if' expressions to test for a NULL ptr | ||
florianlink
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r16 | static PyNumberMethods PythonQtInstanceWrapper_as_number = { | ||
ezust
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r0 | 0, /* nb_add */ | ||
0, /* nb_subtract */ | ||||
0, /* nb_multiply */ | ||||
0, /* nb_divide */ | ||||
0, /* nb_remainder */ | ||||
0, /* nb_divmod */ | ||||
0, /* nb_power */ | ||||
0, /* nb_negative */ | ||||
0, /* nb_positive */ | ||||
0, /* nb_absolute */ | ||||
florianlink
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r16 | PythonQtInstanceWrapper_nonzero, /* nb_nonzero */ | ||
ezust
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r0 | 0, /* nb_invert */ | ||
0, /* nb_lshift */ | ||||
0, /* nb_rshift */ | ||||
0, /* nb_and */ | ||||
0, /* nb_xor */ | ||||
0, /* nb_or */ | ||||
0, /* nb_coerce */ | ||||
0, /* nb_int */ | ||||
0, /* nb_long */ | ||||
0, /* nb_float */ | ||||
0, /* nb_oct */ | ||||
0, /* nb_hex */ | ||||
0, /* nb_inplace_add */ | ||||
0, /* nb_inplace_subtract */ | ||||
0, /* nb_inplace_multiply */ | ||||
0, /* nb_inplace_divide */ | ||||
0, /* nb_inplace_remainder */ | ||||
0, /* nb_inplace_power */ | ||||
0, /* nb_inplace_lshift */ | ||||
0, /* nb_inplace_rshift */ | ||||
0, /* nb_inplace_and */ | ||||
0, /* nb_inplace_xor */ | ||||
0, /* nb_inplace_or */ | ||||
0, /* nb_floor_divide */ | ||||
0, /* nb_true_divide */ | ||||
0, /* nb_inplace_floor_divide */ | ||||
0, /* nb_inplace_true_divide */ | ||||
}; | ||||
florianlink
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r16 | PyTypeObject PythonQtInstanceWrapper_Type = { | ||
florianlink
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r18 | PyObject_HEAD_INIT(&PythonQtClassWrapper_Type) | ||
ezust
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r0 | 0, /*ob_size*/ | ||
florianlink
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r16 | "PythonQt.PythonQtInstanceWrapper", /*tp_name*/ | ||
sizeof(PythonQtInstanceWrapper), /*tp_basicsize*/ | ||||
ezust
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r0 | 0, /*tp_itemsize*/ | ||
florianlink
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r16 | (destructor)PythonQtInstanceWrapper_dealloc, /*tp_dealloc*/ | ||
ezust
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r0 | 0, /*tp_print*/ | ||
0, /*tp_getattr*/ | ||||
0, /*tp_setattr*/ | ||||
florianlink
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r16 | PythonQtInstanceWrapper_compare, /*tp_compare*/ | ||
PythonQtInstanceWrapper_repr, /*tp_repr*/ | ||||
&PythonQtInstanceWrapper_as_number, /*tp_as_number*/ | ||||
ezust
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r0 | 0, /*tp_as_sequence*/ | ||
0, /*tp_as_mapping*/ | ||||
florianlink
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r16 | (hashfunc)PythonQtInstanceWrapper_hash, /*tp_hash */ | ||
ezust
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r0 | 0, /*tp_call*/ | ||
florianlink
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r16 | PythonQtInstanceWrapper_str, /*tp_str*/ | ||
PythonQtInstanceWrapper_getattro, /*tp_getattro*/ | ||||
PythonQtInstanceWrapper_setattro, /*tp_setattro*/ | ||||
ezust
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r0 | 0, /*tp_as_buffer*/ | ||
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/ | ||||
florianlink
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r16 | "PythonQtInstanceWrapper object", /* tp_doc */ | ||
ezust
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r0 | 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 */ | ||||
florianlink
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r16 | (initproc)PythonQtInstanceWrapper_init, /* tp_init */ | ||
ezust
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r0 | 0, /* tp_alloc */ | ||
florianlink
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r16 | PythonQtInstanceWrapper_new, /* tp_new */ | ||
ezust
|
r0 | }; | ||
//------------------------------------------------------- | ||||