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authorMichael Brasser <michael.brasser@nokia.com>2009-04-22 04:47:24 (GMT)
committerMichael Brasser <michael.brasser@nokia.com>2009-04-22 04:47:24 (GMT)
commit2366667fc97eb6a56203b2dd7dac776ff4164abd (patch)
treeb2acb6cc6bfe475d7e619e4788973b61fff775e0 /src/declarative/qml/qmlprivate.h
parent2c762f3b8b284a7c6dc0c499b7052013bad5b707 (diff)
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Initial import of kinetic-dui branch from the old kinetic
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QMLPRIVATE_H
+#define QMLPRIVATE_H
+
+#include <QtCore/qglobal.h>
+#ifndef Q_OS_WIN32
+#include <stdint.h>
+#endif
+#include <QtCore/qvariant.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Declarative)
+
+typedef QObject *(*QmlAttachedPropertiesFunc)(QObject *);
+
+namespace QmlPrivate
+{
+ class ListInterface
+ {
+ public:
+ virtual ~ListInterface() {}
+ virtual int type() const = 0;
+ virtual void append(void *) = 0;
+ virtual void insert(int, void *) = 0;
+ virtual void removeAt(int) = 0;
+ virtual void at(int, void *) const = 0;
+ virtual int count() const = 0;
+ virtual void clear() = 0;
+ };
+
+ enum ListOp { Append, Set, Insert, Prepend, Length, FromObject,
+ Object, Create, Value, Clear };
+
+ template<typename T>
+ int list_op(ListOp op, int val,
+ const QVariant &vlist,
+ const QVariant &value,
+ void **out);
+
+ template<typename T>
+ int list_nocreate_op(ListOp op, int val,
+ const QVariant &vlist,
+ const QVariant &value,
+ void **out);
+
+ template<typename T>
+ int list_interface_op(ListOp op, int val,
+ const QVariant &vlist,
+ const QVariant &value,
+ void **out);
+
+ template<class From, class To, int N>
+ struct StaticCastSelectorClass
+ {
+ static inline int cast() { return -1; }
+ };
+
+ template<class From, class To>
+ struct StaticCastSelectorClass<From, To, sizeof(int)>
+ {
+#ifndef Q_OS_SYMBIAN
+ static inline int cast() { return (int)((intptr_t)static_cast<To *>((From *)0x10000000)) - 0x10000000; }
+#else
+ static inline int cast() { return (int)(static_cast<To *>((From *)0x10000000)) - 0x10000000; }
+#endif
+ };
+
+ template<class From, class To>
+ struct StaticCastSelector
+ {
+ typedef int yes_type;
+ typedef char no_type;
+
+ static yes_type check(To *);
+ static no_type check(...);
+
+ static inline int cast()
+ {
+ return StaticCastSelectorClass<From, To, sizeof(check((From *)0))>::cast();
+ }
+ };
+
+ template<typename T, int N>
+ struct AttachedPropertySelector
+ {
+ static inline QmlAttachedPropertiesFunc func()
+ {
+ return 0;
+ }
+ };
+ template<typename T>
+ struct AttachedPropertySelector<T, 1>
+ {
+ static inline QmlAttachedPropertiesFunc func()
+ {
+ return &T::qmlAttachedProperties;
+ }
+ };
+
+ template < typename T >
+ class has_attachedProperties {
+ typedef int yes_type;
+ typedef char no_type;
+
+ template<typename S, QObject *(S::*)(QObject *)>
+ struct dummy {};
+
+ template<typename S, QObject *(S::*)(QObject *) const>
+ struct dummy_const {};
+
+ template<typename S, QObject *(*) (QObject *)>
+ struct dummy_static {};
+
+ template<typename S>
+ static no_type check(dummy<S, &S::qmlAttachedProperties> *);
+
+ template<typename S>
+ static no_type check(dummy_const<S, &S::qmlAttachedProperties> *);
+
+ template<typename S>
+ static yes_type check(dummy_static<S, &S::qmlAttachedProperties> *);
+
+ template<typename S>
+ static no_type check(...);
+
+ public:
+ static bool const value = sizeof(check<T>(0)) == sizeof(yes_type);
+ };
+
+ template<typename T>
+ inline QmlAttachedPropertiesFunc attachedPropertiesFunc()
+ {
+ return AttachedPropertySelector<T, has_attachedProperties<T>::value>::func();
+ }
+
+ struct MetaTypeIds {
+ int typeId;
+ int listId;
+ int qmlListId;
+ };
+ typedef int (*Func)(QmlPrivate::ListOp, int, const QVariant &, const QVariant &, void **);
+ typedef QObject *(*CreateFunc)(QObject *);
+
+ template<typename T>
+ struct CreateParent {
+ static QObject *create(QObject *other) {
+ return new T(other);
+ }
+ };
+
+ template<typename T>
+ struct CreateNoParent {
+ static QObject *create() {
+ return new T;
+ }
+ };
+
+ struct Q_DECLARATIVE_EXPORT InstanceType {
+ InstanceType(int);
+ };
+
+ template<typename T>
+ struct Define {
+ static InstanceType instance;
+ };
+
+ template<typename T>
+ struct ExtCreate {
+ static QObject *create(QObject *other) {
+ return new T(other);
+ }
+ };
+};
+
+template<typename T>
+int QmlPrivate::list_op(QmlPrivate::ListOp op, int val,
+ const QVariant &vlist,
+ const QVariant &value,
+ void **out)
+{
+ if(op == QmlPrivate::Create) {
+ QObject *obj = static_cast<QObject *>(new T);
+ *((QObject **)out) = obj;
+ return 0;
+ }
+ QList<T *> *list = vlist.value<QList<T *> *>();
+ switch(op) {
+ case QmlPrivate::Append:
+ list->append(value.value<T *>());
+ break;
+ case QmlPrivate::Set:
+ (*list)[val] = value.value<T *>();
+ break;
+ case QmlPrivate::Insert:
+ list->insert(val, value.value<T *>());
+ break;
+ case QmlPrivate::Prepend:
+ list->prepend(value.value<T *>());
+ break;
+ case QmlPrivate::Length:
+ return list->count();
+ break;
+ case QmlPrivate::Clear:
+ list->clear();
+ return 0;
+ break;
+ case QmlPrivate::Create:
+ break;
+ case QmlPrivate::Object:
+ *out = static_cast<QObject *>(value.value<T *>());
+ break;
+ case QmlPrivate::FromObject:
+ {
+ QObject *fromObj = value.value<QObject *>();
+ T *me = qobject_cast<T *>(fromObj);
+ if(me) {
+ *((QVariant *)*out) = QVariant::fromValue(me);
+ }
+ }
+ break;
+ case QmlPrivate::Value:
+ *((QVariant *)*out) = QVariant::fromValue(list->at(val));
+ break;
+ }
+ return 0;
+}
+
+template<typename T>
+int QmlPrivate::list_nocreate_op(QmlPrivate::ListOp op, int val,
+ const QVariant &vlist,
+ const QVariant &value,
+ void **out)
+{
+ QList<T *> *list = vlist.value<QList<T *> *>();
+ switch(op) {
+ case QmlPrivate::Append:
+ list->append(value.value<T *>());
+ break;
+ case QmlPrivate::Set:
+ (*list)[val] = value.value<T *>();
+ break;
+ case QmlPrivate::Insert:
+ list->insert(val, value.value<T *>());
+ break;
+ case QmlPrivate::Prepend:
+ list->prepend(value.value<T *>());
+ break;
+ case QmlPrivate::Length:
+ return list->count();
+ break;
+ case QmlPrivate::Clear:
+ list->clear();
+ return 0;
+ break;
+ case QmlPrivate::Create:
+ break;
+ case QmlPrivate::Object:
+ *out = static_cast<QObject *>(value.value<T *>());
+ break;
+ case QmlPrivate::FromObject:
+ {
+ QObject *fromObj = value.value<QObject *>();
+ T *me = qobject_cast<T *>(fromObj);
+ if(me) {
+ *((QVariant *)*out) = QVariant::fromValue(me);
+ }
+ }
+ break;
+ case QmlPrivate::Value:
+ *((QVariant *)*out) = QVariant::fromValue(list->at(val));
+ break;
+ }
+ return 0;
+}
+
+template<typename T>
+int QmlPrivate::list_interface_op(QmlPrivate::ListOp op, int val,
+ const QVariant &vlist,
+ const QVariant &value,
+ void **out)
+{
+ QList<T *> *list = vlist.value<QList<T *> *>();
+ switch(op) {
+ case QmlPrivate::Append:
+ list->append(value.value<T *>());
+ break;
+ case QmlPrivate::Set:
+ (*list)[val] = value.value<T *>();
+ break;
+ case QmlPrivate::Insert:
+ list->insert(val, value.value<T *>());
+ break;
+ case QmlPrivate::Prepend:
+ list->prepend(value.value<T *>());
+ break;
+ case QmlPrivate::Length:
+ return list->count();
+ break;
+ case QmlPrivate::Clear:
+ list->clear();
+ return 0;
+ break;
+ case QmlPrivate::Create:
+ break;
+ case QmlPrivate::Object:
+ break;
+ case QmlPrivate::FromObject:
+ break;
+ case QmlPrivate::Value:
+ *((QVariant *)*out) = QVariant::fromValue(list->at(val));
+ break;
+ }
+ return 0;
+}
+
+
+#endif // QMLPRIVATE_H
+
+
+QT_END_NAMESPACE
+
+QT_END_HEADER