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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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 1.1, 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qvariant.h"
#include "qicon.h"
#include "qsizepolicy.h"
#include "private/qvariant_p.h"
QT_BEGIN_NAMESPACE
static void construct(QVariant::Private *x, const void *copy)
{
switch (x->type) {
#ifndef QT_NO_ICON
case QVariant::Icon:
v_construct<QIcon>(x, copy);
break;
#endif
case QVariant::SizePolicy:
v_construct<QSizePolicy>(x, copy);
break;
default:
Q_ASSERT(false);
return;
}
x->is_null = !copy;
}
static void clear(QVariant::Private *d)
{
switch (d->type) {
#ifndef QT_NO_ICON
case QVariant::Icon:
v_clear<QIcon>(d);
break;
#endif
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 *d)
{
switch(d->type) {
#ifndef QT_NO_ICON
case QVariant::Icon:
return v_cast<QIcon>(d)->isNull();
#endif
default:
Q_ASSERT(false);
}
return true;
}
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 const QVariant::Handler widgets_handler = {
construct,
clear,
isNull,
#ifndef QT_NO_DATASTREAM
0,
0,
#endif
compare,
0,
0,
#if !defined(QT_NO_DEBUG_STREAM) && !defined(Q_BROKEN_DEBUG_STREAM)
0
#else
0
#endif
};
struct QMetaTypeGuiHelper
{
QMetaType::Constructor constr;
QMetaType::Destructor destr;
#ifndef QT_NO_DATASTREAM
QMetaType::SaveOperator saveOp;
QMetaType::LoadOperator loadOp;
#endif
};
extern Q_CORE_EXPORT const QMetaTypeGuiHelper *qMetaTypeWidgetsHelper;
#ifdef QT_NO_DATASTREAM
# define Q_DECL_METATYPE_HELPER(TYPE) \
typedef void *(*QConstruct##TYPE)(const TYPE *); \
static const QConstruct##TYPE qConstruct##TYPE = qMetaTypeConstructHelper<TYPE>; \
typedef void (*QDestruct##TYPE)(TYPE *); \
static const QDestruct##TYPE qDestruct##TYPE = qMetaTypeDeleteHelper<TYPE>;
#else
# define Q_DECL_METATYPE_HELPER(TYPE) \
typedef void *(*QConstruct##TYPE)(const TYPE *); \
static const QConstruct##TYPE qConstruct##TYPE = qMetaTypeConstructHelper<TYPE>; \
typedef void (*QDestruct##TYPE)(TYPE *); \
static const QDestruct##TYPE qDestruct##TYPE = qMetaTypeDeleteHelper<TYPE>; \
typedef void (*QSave##TYPE)(QDataStream &, const TYPE *); \
static const QSave##TYPE qSave##TYPE = qMetaTypeSaveHelper<TYPE>; \
typedef void (*QLoad##TYPE)(QDataStream &, TYPE *); \
static const QLoad##TYPE qLoad##TYPE = qMetaTypeLoadHelper<TYPE>;
#endif
#ifndef QT_NO_ICON
Q_DECL_METATYPE_HELPER(QIcon)
#endif
Q_DECL_METATYPE_HELPER(QSizePolicy)
#ifdef QT_NO_DATASTREAM
# define Q_IMPL_METATYPE_HELPER(TYPE) \
{ reinterpret_cast<QMetaType::Constructor>(qConstruct##TYPE), \
reinterpret_cast<QMetaType::Destructor>(qDestruct##TYPE) }
#else
# define Q_IMPL_METATYPE_HELPER(TYPE) \
{ reinterpret_cast<QMetaType::Constructor>(qConstruct##TYPE), \
reinterpret_cast<QMetaType::Destructor>(qDestruct##TYPE), \
reinterpret_cast<QMetaType::SaveOperator>(qSave##TYPE), \
reinterpret_cast<QMetaType::LoadOperator>(qLoad##TYPE) \
}
#endif
static const QMetaTypeGuiHelper qVariantWidgetsHelper[] = {
#ifdef QT_NO_ICON
{0, 0, 0, 0},
#else
Q_IMPL_METATYPE_HELPER(QIcon),
#endif
Q_IMPL_METATYPE_HELPER(QSizePolicy),
};
Q_WIDGETS_EXPORT const QVariant::Handler *qt_widgets_variant_handler;
int qRegisterWidgetsVariant()
{
qt_widgets_variant_handler = &widgets_handler;
qMetaTypeWidgetsHelper = qVariantWidgetsHelper;
return 1;
}
Q_CONSTRUCTOR_FUNCTION(qRegisterWidgetsVariant)
int qUnregisterWidgetsVariant()
{
qt_widgets_variant_handler = 0;
qMetaTypeWidgetsHelper = 0;
return 1;
}
Q_DESTRUCTOR_FUNCTION(qUnregisterWidgetsVariant)
QT_END_NAMESPACE
|
