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/*
* This file is part of the PySide project.
*
* Copyright (C) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).
*
* Contact: PySide team <contact@pyside.org>
*
* 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.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "pyside.h"
#include "signalmanager.h"
#include "pysideproperty_p.h"
#include "pysideproperty.h"
#include "pysidesignal.h"
#include "pysidesignal_p.h"
#include "pysideslot_p.h"
#include "pysidemetafunction_p.h"
#include "dynamicqmetaobject.h"
#include <basewrapper.h>
#include <conversions.h>
#include <typeresolver.h>
#include <bindingmanager.h>
#include <algorithm>
#include <cctype>
#include <QStack>
#include <QCoreApplication>
static QStack<PySide::CleanupFunction> cleanupFunctionList;
namespace PySide
{
void init(PyObject *module)
{
Signal::init(module);
Slot::init(module);
Property::init(module);
MetaFunction::init(module);
// Init signal manager, so it will register some meta types used by QVariant.
SignalManager::instance();
}
bool fillQtProperties(PyObject* qObj, const QMetaObject* metaObj, PyObject* kwds, const char** blackList, unsigned int blackListSize)
{
PyObject *key, *value;
Py_ssize_t pos = 0;
while (PyDict_Next(kwds, &pos, &key, &value)) {
if (!blackListSize || !std::binary_search(blackList, blackList + blackListSize, std::string(PyString_AS_STRING(key)))) {
QByteArray propName(PyString_AS_STRING(key));
if (metaObj->indexOfProperty(propName) != -1) {
propName[0] = std::toupper(propName[0]);
propName.prepend("set");
Shiboken::AutoDecRef propSetter(PyObject_GetAttrString(qObj, propName.constData()));
if (!propSetter.isNull()) {
Shiboken::AutoDecRef args(PyTuple_Pack(1, value));
Shiboken::AutoDecRef retval(PyObject_CallObject(propSetter, args));
} else {
PyObject* attr = PyObject_GenericGetAttr(qObj, key);
if (PySide::Property::isPropertyType(attr))
PySide::Property::setValue(reinterpret_cast<PySideProperty*>(attr), qObj, value);
}
} else {
propName.append("()");
if (metaObj->indexOfSignal(propName) != -1) {
propName.prepend('2');
PySide::Signal::connect(qObj, propName, value);
} else {
PyErr_Format(PyExc_AttributeError, "'%s' is not a Qt property or a signal", propName.constData());
return false;
};
}
}
}
return true;
}
void registerCleanupFunction(CleanupFunction func)
{
cleanupFunctionList.push(func);
}
void runCleanupFunctions()
{
while (!cleanupFunctionList.isEmpty()) {
CleanupFunction f = cleanupFunctionList.pop();
f();
}
}
static void destructionVisitor(SbkObject* pyObj, void* data)
{
void** realData = reinterpret_cast<void**>(data);
SbkObject* pyQApp = reinterpret_cast<SbkObject*>(realData[0]);
PyTypeObject* pyQObjectType = reinterpret_cast<PyTypeObject*>(realData[1]);
if (pyObj != pyQApp && PyObject_TypeCheck(pyObj, pyQObjectType)) {
if (Shiboken::Object::hasOwnership(pyObj))
Shiboken::callCppDestructor<QObject>(Shiboken::Object::cppPointer(pyObj, Shiboken::SbkType<QObject*>()));
}
};
void destroyQCoreApplication()
{
SignalManager::instance().clear();
QCoreApplication* app = QCoreApplication::instance();
if (!app)
return;
Shiboken::BindingManager& bm = Shiboken::BindingManager::instance();
SbkObject* pyQApp = bm.retrieveWrapper(app);
PyTypeObject* pyQObjectType = Shiboken::TypeResolver::get("QObject*")->pythonType();
assert(pyQObjectType);
void* data[2] = {pyQApp, pyQObjectType};
bm.visitAllPyObjects(&destructionVisitor, &data);
// in the end destroy app
delete app;
}
void initDynamicMetaObject(SbkObjectType* type, const QMetaObject* base)
{
const char* typeName = type->super.ht_type.tp_name;
int len = strlen(typeName);
for (int i = len-1; i >= 0; --i)
if (typeName[i] == '.')
typeName += i + 1;
DynamicQMetaObject* mo = new PySide::DynamicQMetaObject(typeName, base);
Shiboken::ObjectType::setTypeUserData(type, mo, &Shiboken::callCppDestructor<DynamicQMetaObject>);
}
void initQObjectSubType(SbkObjectType* type, PyObject* args, PyObject* kwds)
{
PyTypeObject* qObjType = Shiboken::TypeResolver::get("QObject*")->pythonType();
QByteArray className(PyString_AS_STRING(PyTuple_GET_ITEM(args, 0)));
PyObject* bases = PyTuple_GET_ITEM(args, 1);
int numBases = PyTuple_GET_SIZE(args);
QMetaObject* baseMo = 0;
for (int i = 0; i < numBases; ++i) {
PyTypeObject* base = reinterpret_cast<PyTypeObject*>(PyTuple_GET_ITEM(bases, i));
if (PyType_IsSubtype(base, qObjType)) {
baseMo = reinterpret_cast<QMetaObject*>(Shiboken::ObjectType::getTypeUserData(reinterpret_cast<SbkObjectType*>(base)));
// If it's a class like QObject, QWidget, etc, use the original QMetaObject instead of the dynamic one
// IMO this if is a bug, however it keeps the current behaviour.
if (!Shiboken::ObjectType::isUserType(base))
baseMo = const_cast<QMetaObject*>(baseMo->d.superdata);
break;
}
}
if (!baseMo) {
qWarning("Sub class of QObject not inheriting QObject!? Crash will happen when using %s.", className.constData());
return;
}
DynamicQMetaObject* mo = new PySide::DynamicQMetaObject(className.constData(), baseMo);
Shiboken::ObjectType::setTypeUserData(type, mo, &Shiboken::callCppDestructor<DynamicQMetaObject>);
PyObject* attrs = PyTuple_GET_ITEM(args, 2);
PyObject* key;
PyObject* value;
Py_ssize_t pos = 0;
typedef std::pair<const char*, PyObject*> PropPair;
QList<PropPair> properties;
Shiboken::AutoDecRef slotAttrName(PyString_FromString(PYSIDE_SLOT_LIST_ATTR));
while (PyDict_Next(attrs, &pos, &key, &value)) {
if (value->ob_type == &PySidePropertyType) {
// Leave the properties to be register after signals because they may depend on notify signals
properties << PropPair(PyString_AS_STRING(key), value);
} else if (value->ob_type == &PySideSignalType) { // Register signals
PySideSignal* data = reinterpret_cast<PySideSignal*>(value);
const char* signalName = PyString_AS_STRING(key);
data->signalName = strdup(signalName);
QByteArray sig;
sig.reserve(128);
for (int i = 0; i < data->signaturesSize; ++i) {
sig = signalName;
sig += '(';
if (data->signatures[i])
sig += data->signatures[i];
sig += ')';
if (baseMo->indexOfSignal(sig) == -1)
mo->addSignal(sig);
}
} else if (PyFunction_Check(value)) { // Register slots
if (PyObject_HasAttr(value, slotAttrName)) {
PyObject* signatureList = PyObject_GetAttr(value, slotAttrName);
for(Py_ssize_t i = 0, i_max = PyList_Size(signatureList); i < i_max; ++i) {
PyObject* signature = PyList_GET_ITEM(signatureList, i);
QByteArray sig(PyString_AS_STRING(signature));
//slot the slot type and signature
QList<QByteArray> slotInfo = sig.split(' ');
int index = baseMo->indexOfSlot(slotInfo[1]);
if (index == -1)
mo->addSlot(slotInfo[1], slotInfo[0]);
}
}
}
}
// Register properties
foreach (PropPair propPair, properties)
mo->addProperty(propPair.first, propPair.second);
}
} //namespace PySide
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