| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtWidgets module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** 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 "qvariant.h" |
| |
| #include "qsizepolicy.h" |
| #include "qwidget.h" |
| |
| #include "private/qvariant_p.h" |
| #include <private/qmetatype_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace { |
| static void construct(QVariant::Private *x, const void *copy) |
| { |
| switch (x->type) { |
| case QVariant::SizePolicy: |
| v_construct<QSizePolicy>(x, copy); |
| break; |
| default: |
| qWarning("Trying to construct an instance of an invalid type, type id: %i", x->type); |
| x->type = QVariant::Invalid; |
| return; |
| } |
| x->is_null = !copy; |
| } |
| |
| static void clear(QVariant::Private *d) |
| { |
| switch (d->type) { |
| case QVariant::SizePolicy: |
| v_clear<QSizePolicy>(d); |
| break; |
| default: |
| Q_ASSERT(false); |
| return; |
| } |
| |
| d->type = QVariant::Invalid; |
| d->is_null = true; |
| d->is_shared = false; |
| } |
| |
| |
| static bool isNull(const QVariant::Private *) |
| { |
| return false; |
| } |
| |
| static bool compare(const QVariant::Private *a, const QVariant::Private *b) |
| { |
| Q_ASSERT(a->type == b->type); |
| switch(a->type) { |
| case QVariant::SizePolicy: |
| return *v_cast<QSizePolicy>(a) == *v_cast<QSizePolicy>(b); |
| default: |
| Q_ASSERT(false); |
| } |
| return false; |
| } |
| |
| static bool convert(const QVariant::Private *d, int type, void *result, bool *ok) |
| { |
| Q_UNUSED(d); |
| Q_UNUSED(type); |
| Q_UNUSED(result); |
| if (ok) |
| *ok = false; |
| return false; |
| } |
| |
| #if !defined(QT_NO_DEBUG_STREAM) |
| static void streamDebug(QDebug dbg, const QVariant &v) |
| { |
| QVariant::Private *d = const_cast<QVariant::Private *>(&v.data_ptr()); |
| switch (d->type) { |
| case QVariant::SizePolicy: |
| dbg.nospace() << *v_cast<QSizePolicy>(d); |
| break; |
| default: |
| dbg.nospace() << "QMetaType::Type(" << d->type << ')'; |
| } |
| } |
| #endif |
| |
| static const QVariant::Handler widgets_handler = { |
| construct, |
| clear, |
| isNull, |
| #ifndef QT_NO_DATASTREAM |
| 0, |
| 0, |
| #endif |
| compare, |
| convert, |
| 0, |
| #if !defined(QT_NO_DEBUG_STREAM) |
| streamDebug |
| #else |
| 0 |
| #endif |
| }; |
| |
| #define QT_IMPL_METATYPEINTERFACE_WIDGETS_TYPES(MetaTypeName, MetaTypeId, RealName) \ |
| QT_METATYPE_INTERFACE_INIT(RealName), |
| |
| static const QMetaTypeInterface qVariantWidgetsHelper[] = { |
| QT_FOR_EACH_STATIC_WIDGETS_CLASS(QT_IMPL_METATYPEINTERFACE_WIDGETS_TYPES) |
| }; |
| |
| #undef QT_IMPL_METATYPEINTERFACE_WIDGETS_TYPES |
| |
| } // namespace |
| |
| extern Q_CORE_EXPORT const QMetaTypeInterface *qMetaTypeWidgetsHelper; |
| |
| void qRegisterWidgetsVariant() |
| { |
| qRegisterMetaType<QWidget*>(); |
| qMetaTypeWidgetsHelper = qVariantWidgetsHelper; |
| QVariantPrivate::registerHandler(QModulesPrivate::Widgets, &widgets_handler); |
| } |
| Q_CONSTRUCTOR_FUNCTION(qRegisterWidgetsVariant) |
| |
| QT_END_NAMESPACE |