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Diffstat (limited to 'sources/pyside2/PySide2/QtQuick/pysidequickregistertype.cpp')
| -rw-r--r-- | sources/pyside2/PySide2/QtQuick/pysidequickregistertype.cpp | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/sources/pyside2/PySide2/QtQuick/pysidequickregistertype.cpp b/sources/pyside2/PySide2/QtQuick/pysidequickregistertype.cpp deleted file mode 100644 index a042ac2cc..000000000 --- a/sources/pyside2/PySide2/QtQuick/pysidequickregistertype.cpp +++ /dev/null @@ -1,253 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of Qt for Python. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "pysidequickregistertype.h" - -#include <pyside.h> -#include <pyside_p.h> -#include <shiboken.h> - -// Auto generated headers. -#include "qquickitem_wrapper.h" -#include "qquickpainteditem_wrapper.h" -#include "qquickframebufferobject_wrapper.h" -#include "pyside2_qtcore_python.h" -#include "pyside2_qtquick_python.h" -#include "pyside2_qtqml_python.h" - -#ifndef PYSIDE_MAX_QUICK_TYPES -// Maximum number of different Qt Quick types the user can export to QML using -// qmlRegisterType. This limit exists because the QML engine instantiates objects -// by calling a function with one argument (a void* pointer where the object should -// be created), and thus does not allow us to choose which object to create. Thus -// we create a C++ factory function for each new registered type at compile time. -# define PYSIDE_MAX_QUICK_TYPES 50 -#endif // !PYSIDE_MAX_QUICK_TYPES - -// All registered python types and their creation functions. -static PyObject *pyTypes[PYSIDE_MAX_QUICK_TYPES]; -static void (*createFuncs[PYSIDE_MAX_QUICK_TYPES])(void *); - -// Mutex used to avoid race condition on PySide::nextQObjectMemoryAddr. -static QMutex nextQmlElementMutex; - -// Python object factory functions. -template<int N> -struct ElementFactoryBase -{ - static void createQuickItem(void *memory) - { - QMutexLocker locker(&nextQmlElementMutex); - PySide::setNextQObjectMemoryAddr(memory); - Shiboken::GilState state; - PyObject *obj = PyObject_CallObject(pyTypes[N], 0); - if (!obj || PyErr_Occurred()) - PyErr_Print(); - PySide::setNextQObjectMemoryAddr(0); - } -}; - -template<int N> -struct ElementFactory : ElementFactoryBase<N> -{ - static void init() - { - createFuncs[N] = &ElementFactoryBase<N>::createQuickItem; - ElementFactory<N-1>::init(); - } -}; - -template<> -struct ElementFactory<0> : ElementFactoryBase<0> -{ - static void init() - { - createFuncs[0] = &ElementFactoryBase<0>::createQuickItem; - } -}; - -#define PY_REGISTER_IF_INHERITS_FROM(className, typeToRegister,typePointerName, \ - typeListName, typeMetaObject, type, registered) \ - registerTypeIfInheritsFromClass<className##Wrapper>(#className, typeToRegister, \ - typePointerName, typeListName, \ - typeMetaObject, type, registered) - -bool pyTypeObjectInheritsFromClass(PyTypeObject *pyObjType, QByteArray className) -{ - className.append('*'); - PyTypeObject *classPyType = Shiboken::Conversions::getPythonTypeObject(className.constData()); - bool isDerived = PySequence_Contains(pyObjType->tp_mro, - reinterpret_cast<PyObject *>(classPyType)); - return isDerived; -} - -template <class WrapperClass> -void registerTypeIfInheritsFromClass( - QByteArray className, - PyTypeObject *typeToRegister, - const QByteArray &typePointerName, - const QByteArray &typeListName, - const QMetaObject *typeMetaObject, - QQmlPrivate::RegisterType *type, - bool ®istered) -{ - bool shouldRegister = !registered && pyTypeObjectInheritsFromClass(typeToRegister, className); - if (shouldRegister) { - int ptrType = - QMetaType::registerNormalizedType( - typePointerName.constData(), - QtMetaTypePrivate::QMetaTypeFunctionHelper<WrapperClass *>::Destruct, - QtMetaTypePrivate::QMetaTypeFunctionHelper<WrapperClass *>::Construct, - sizeof(WrapperClass *), - static_cast< ::QFlags<QMetaType::TypeFlag> >(QtPrivate::QMetaTypeTypeFlags< - WrapperClass *>::Flags), - typeMetaObject); - if (ptrType == -1) { - PyErr_Format(PyExc_TypeError, "Meta type registration of \"%s\" for QML usage failed.", - typePointerName.constData()); - return; - } - - int lstType = - QMetaType::registerNormalizedType( - typeListName.constData(), - QtMetaTypePrivate::QMetaTypeFunctionHelper<QQmlListProperty<WrapperClass> > - ::Destruct, - QtMetaTypePrivate::QMetaTypeFunctionHelper<QQmlListProperty<WrapperClass> > - ::Construct, - sizeof(QQmlListProperty<WrapperClass>), - static_cast< ::QFlags<QMetaType::TypeFlag> >( - QtPrivate::QMetaTypeTypeFlags<QQmlListProperty<WrapperClass> >::Flags), - nullptr); - if (lstType == -1) { - PyErr_Format(PyExc_TypeError, "Meta type registration of \"%s\" for QML usage failed.", - typeListName.constData()); - return; - } - - type->typeId = ptrType; - type->listId = lstType; - type->attachedPropertiesFunction = QQmlPrivate::attachedPropertiesFunc<WrapperClass>(); - type->attachedPropertiesMetaObject = - QQmlPrivate::attachedPropertiesMetaObject<WrapperClass>(); - type->parserStatusCast = - QQmlPrivate::StaticCastSelector<WrapperClass, QQmlParserStatus>::cast(); - type->valueSourceCast = - QQmlPrivate::StaticCastSelector<WrapperClass, QQmlPropertyValueSource>::cast(); - type->valueInterceptorCast = - QQmlPrivate::StaticCastSelector<WrapperClass, QQmlPropertyValueInterceptor>::cast(); - type->objectSize = sizeof(WrapperClass); - registered = true; - } -} - -bool quickRegisterType(PyObject *pyObj, const char *uri, int versionMajor, int versionMinor, - const char *qmlName, QQmlPrivate::RegisterType *type) -{ - using namespace Shiboken; - static int nextType = 0; - - if (nextType >= PYSIDE_MAX_QUICK_TYPES) { - PyErr_Format(PyExc_TypeError, - "You can only export %d Qt Quick types to QML.", PYSIDE_MAX_QUICK_TYPES); - return false; - } - - PyTypeObject *pyObjType = reinterpret_cast<PyTypeObject *>(pyObj); - PyTypeObject *qQuickItemPyType = - Shiboken::Conversions::getPythonTypeObject("QQuickItem*"); - bool isQuickItem = PySequence_Contains(pyObjType->tp_mro, - reinterpret_cast<PyObject *>(qQuickItemPyType)); - - // Register only classes that inherit QQuickItem or its children. - if (!isQuickItem) - return false; - - // Used inside macros to register the type. - const QMetaObject *metaObject = PySide::retrieveMetaObject(pyObj); - Q_ASSERT(metaObject); - - - // Incref the type object, don't worry about decref'ing it because - // there's no way to unregister a QML type. - Py_INCREF(pyObj); - - pyTypes[nextType] = pyObj; - - // Used in macro registration. - QByteArray pointerName(qmlName); - pointerName.append('*'); - QByteArray listName(qmlName); - listName.prepend("QQmlListProperty<"); - listName.append('>'); - - bool registered = false; - PY_REGISTER_IF_INHERITS_FROM(QQuickPaintedItem, pyObjType, pointerName, listName, metaObject, - type, registered); - PY_REGISTER_IF_INHERITS_FROM(QQuickFramebufferObject, pyObjType, pointerName, listName, - metaObject, type, registered); - PY_REGISTER_IF_INHERITS_FROM(QQuickItem, pyObjType, pointerName, listName, metaObject, - type, registered); - if (!registered) - return false; - - type->create = createFuncs[nextType]; - type->version = 0; - type->uri = uri; - type->versionMajor = versionMajor; - type->versionMinor = versionMinor; - type->elementName = qmlName; - type->metaObject = metaObject; - - type->extensionObjectCreate = 0; - type->extensionMetaObject = 0; - type->customParser = 0; - - ++nextType; - return true; -} - -void PySide::initQuickSupport(PyObject *module) -{ - Q_UNUSED(module); - ElementFactory<PYSIDE_MAX_QUICK_TYPES - 1>::init(); -#ifdef PYSIDE_QML_SUPPORT - setQuickRegisterItemFunction(quickRegisterType); -#endif -} |