--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/kernel/qguivariant.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,828 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qvariant.h"
+
+#include "qbitmap.h"
+#include "qbrush.h"
+#include "qcolor.h"
+#include "qcursor.h"
+#include "qdatastream.h"
+#include "qdebug.h"
+#include "qfont.h"
+#include "qicon.h"
+#include "qimage.h"
+#include "qkeysequence.h"
+#include "qtransform.h"
+#include "qmatrix.h"
+#include "qpalette.h"
+#include "qpen.h"
+#include "qpixmap.h"
+#include "qpolygon.h"
+#include "qregion.h"
+#include "qsizepolicy.h"
+#include "qtextformat.h"
+#include "qmatrix4x4.h"
+#include "qvector2d.h"
+#include "qvector3d.h"
+#include "qvector4d.h"
+#include "qquaternion.h"
+
+#include "private/qvariant_p.h"
+
+QT_BEGIN_NAMESPACE
+
+#ifdef QT3_SUPPORT
+extern QDataStream &qt_stream_out_qcolorgroup(QDataStream &s, const QColorGroup &g);
+extern QDataStream &qt_stream_in_qcolorgroup(QDataStream &s, QColorGroup &g);
+#endif
+
+Q_CORE_EXPORT const QVariant::Handler *qcoreVariantHandler();
+
+static void construct(QVariant::Private *x, const void *copy)
+{
+ switch (x->type) {
+ case QVariant::Bitmap:
+ v_construct<QBitmap>(x, copy);
+ break;
+ case QVariant::Region:
+ v_construct<QRegion>(x, copy);
+ break;
+ case QVariant::Polygon:
+ v_construct<QPolygon>(x, copy);
+ break;
+ case QVariant::Font:
+ v_construct<QFont>(x, copy);
+ break;
+ case QVariant::Pixmap:
+ v_construct<QPixmap>(x, copy);
+ break;
+ case QVariant::Image:
+ v_construct<QImage>(x, copy);
+ break;
+ case QVariant::Brush:
+ v_construct<QBrush>(x, copy);
+ break;
+ case QVariant::Color:
+ v_construct<QColor>(x, copy);
+ break;
+ case QVariant::Palette:
+ v_construct<QPalette>(x, copy);
+ break;
+#ifdef QT3_SUPPORT
+ case QVariant::ColorGroup:
+ v_construct<QColorGroup>(x, copy);
+ break;
+#endif
+#ifndef QT_NO_ICON
+ case QVariant::Icon:
+ v_construct<QIcon>(x, copy);
+ break;
+#endif
+ case QVariant::Matrix:
+ v_construct<QMatrix>(x, copy);
+ break;
+ case QVariant::Transform:
+ v_construct<QTransform>(x, copy);
+ break;
+ case QVariant::TextFormat:
+ v_construct<QTextFormat>(x, copy);
+ break;
+ case QVariant::TextLength:
+ v_construct<QTextLength>(x, copy);
+ break;
+#ifndef QT_NO_SHORTCUT
+ case QVariant::KeySequence:
+ v_construct<QKeySequence>(x, copy);
+ break;
+#endif
+ case QVariant::Pen:
+ v_construct<QPen>(x, copy);
+ break;
+ case QVariant::SizePolicy:
+ v_construct<QSizePolicy>(x, copy);
+ break;
+#ifndef QT_NO_CURSOR
+ case QVariant::Cursor:
+ v_construct<QCursor>(x, copy);
+ break;
+#endif
+ case 62: {
+ // small 'trick' to let a QVariant(Qt::blue) create a variant
+ // of type QColor
+ x->type = QVariant::Color;
+ QColor color(*reinterpret_cast<const Qt::GlobalColor *>(copy));
+ v_construct<QColor>(x, &color);
+ break;
+ }
+#ifndef QT_NO_MATRIX4X4
+ case QVariant::Matrix4x4:
+ v_construct<QMatrix4x4>(x, copy);
+ break;
+#endif
+#ifndef QT_NO_VECTOR2D
+ case QVariant::Vector2D:
+ v_construct<QVector2D>(x, copy);
+ break;
+#endif
+#ifndef QT_NO_VECTOR3D
+ case QVariant::Vector3D:
+ v_construct<QVector3D>(x, copy);
+ break;
+#endif
+#ifndef QT_NO_VECTOR4D
+ case QVariant::Vector4D:
+ v_construct<QVector4D>(x, copy);
+ break;
+#endif
+#ifndef QT_NO_QUATERNION
+ case QVariant::Quaternion:
+ v_construct<QQuaternion>(x, copy);
+ break;
+#endif
+ default:
+ qcoreVariantHandler()->construct(x, copy);
+ return;
+ }
+ x->is_null = !copy;
+}
+
+static void clear(QVariant::Private *d)
+{
+ switch (d->type) {
+ case QVariant::Bitmap:
+ v_clear<QBitmap>(d);
+ break;
+ case QVariant::Cursor:
+ v_clear<QCursor>(d);
+ break;
+ case QVariant::Region:
+ v_clear<QRegion>(d);
+ break;
+ case QVariant::Polygon:
+ v_clear<QPolygon>(d);
+ break;
+ case QVariant::Font:
+ v_clear<QFont>(d);
+ break;
+ case QVariant::Pixmap:
+ v_clear<QPixmap>(d);
+ break;
+ case QVariant::Image:
+ v_clear<QImage>(d);
+ break;
+ case QVariant::Brush:
+ v_clear<QBrush>(d);
+ break;
+ case QVariant::Color:
+ v_clear<QColor>(d);
+ break;
+ case QVariant::Palette:
+ v_clear<QPalette>(d);
+ break;
+#ifdef QT3_SUPPORT
+ case QVariant::ColorGroup:
+ v_clear<QColorGroup>(d);
+ break;
+#endif
+#ifndef QT_NO_ICON
+ case QVariant::Icon:
+ v_clear<QIcon>(d);
+ break;
+#endif
+ case QVariant::Matrix:
+ v_clear<QMatrix>(d);
+ break;
+ case QVariant::Transform:
+ v_clear<QTransform>(d);
+ break;
+ case QVariant::TextFormat:
+ v_clear<QTextFormat>(d);
+ break;
+ case QVariant::TextLength:
+ v_clear<QTextLength>(d);
+ break;
+ case QVariant::SizePolicy:
+ v_clear<QSizePolicy>(d);
+ break;
+#ifndef QT_NO_SHORTCUT
+ case QVariant::KeySequence:
+ v_clear<QKeySequence>(d);
+ break;
+#endif
+ case QVariant::Pen:
+ v_clear<QPen>(d);
+ break;
+#ifndef QT_NO_MATRIX4X4
+ case QVariant::Matrix4x4:
+ v_clear<QMatrix4x4>(d);
+ break;
+#endif
+#ifndef QT_NO_VECTOR2D
+ case QVariant::Vector2D:
+ v_clear<QVector2D>(d);
+ break;
+#endif
+#ifndef QT_NO_VECTOR3D
+ case QVariant::Vector3D:
+ v_clear<QVector3D>(d);
+ break;
+#endif
+#ifndef QT_NO_VECTOR4D
+ case QVariant::Vector4D:
+ v_clear<QVector4D>(d);
+ break;
+#endif
+#ifndef QT_NO_QUATERNION
+ case QVariant::Quaternion:
+ v_clear<QVector4D>(d);
+ break;
+#endif
+ default:
+ qcoreVariantHandler()->clear(d);
+ return;
+ }
+
+ d->type = QVariant::Invalid;
+ d->is_null = true;
+ d->is_shared = false;
+}
+
+
+static bool isNull(const QVariant::Private *d)
+{
+ switch(d->type) {
+ case QVariant::Bitmap:
+ return v_cast<QBitmap>(d)->isNull();
+ case QVariant::Region:
+ return v_cast<QRegion>(d)->isEmpty();
+ case QVariant::Polygon:
+ return v_cast<QPolygon>(d)->isEmpty();
+ case QVariant::Pixmap:
+ return v_cast<QPixmap>(d)->isNull();
+ case QVariant::Image:
+ return v_cast<QImage>(d)->isNull();
+#ifndef QT_NO_ICON
+ case QVariant::Icon:
+ return v_cast<QIcon>(d)->isNull();
+#endif
+ case QVariant::Matrix:
+ case QVariant::TextFormat:
+ case QVariant::TextLength:
+ case QVariant::Cursor:
+ case QVariant::StringList:
+ case QVariant::Font:
+ case QVariant::Brush:
+ case QVariant::Color:
+ case QVariant::Palette:
+#ifdef QT3_SUPPORT
+ case QVariant::ColorGroup:
+#endif
+ case QVariant::SizePolicy:
+#ifndef QT_NO_SHORTCUT
+ case QVariant::KeySequence:
+#endif
+ case QVariant::Pen:
+#ifndef QT_NO_MATRIX4X4
+ case QVariant::Matrix4x4:
+#endif
+ break;
+#ifndef QT_NO_VECTOR2D
+ case QVariant::Vector2D:
+ return v_cast<QVector2D>(d)->isNull();
+#endif
+#ifndef QT_NO_VECTOR3D
+ case QVariant::Vector3D:
+ return v_cast<QVector3D>(d)->isNull();
+#endif
+#ifndef QT_NO_VECTOR4D
+ case QVariant::Vector4D:
+ return v_cast<QVector4D>(d)->isNull();
+#endif
+#ifndef QT_NO_QUATERNION
+ case QVariant::Quaternion:
+ return v_cast<QQuaternion>(d)->isNull();
+#endif
+ default:
+ return qcoreVariantHandler()->isNull(d);
+ }
+ return d->is_null;
+}
+
+static bool compare(const QVariant::Private *a, const QVariant::Private *b)
+{
+ Q_ASSERT(a->type == b->type);
+ switch(a->type) {
+ case QVariant::Cursor:
+#ifndef QT_NO_CURSOR
+ return v_cast<QCursor>(a)->shape() == v_cast<QCursor>(b)->shape();
+#endif
+ case QVariant::Bitmap:
+ return v_cast<QBitmap>(a)->cacheKey()
+ == v_cast<QBitmap>(b)->cacheKey();
+ case QVariant::Polygon:
+ return *v_cast<QPolygon>(a) == *v_cast<QPolygon>(b);
+ case QVariant::Region:
+ return *v_cast<QRegion>(a) == *v_cast<QRegion>(b);
+ case QVariant::Font:
+ return *v_cast<QFont>(a) == *v_cast<QFont>(b);
+ case QVariant::Pixmap:
+ return v_cast<QPixmap>(a)->cacheKey() == v_cast<QPixmap>(b)->cacheKey();
+ case QVariant::Image:
+ return *v_cast<QImage>(a) == *v_cast<QImage>(b);
+ case QVariant::Brush:
+ return *v_cast<QBrush>(a) == *v_cast<QBrush>(b);
+ case QVariant::Color:
+ return *v_cast<QColor>(a) == *v_cast<QColor>(b);
+ case QVariant::Palette:
+ return *v_cast<QPalette>(a) == *v_cast<QPalette>(b);
+#ifdef QT3_SUPPORT
+ case QVariant::ColorGroup:
+ return *v_cast<QColorGroup>(a) == *v_cast<QColorGroup>(b);
+#endif
+#ifndef QT_NO_ICON
+ case QVariant::Icon:
+ /* QIcon::operator==() cannot be reasonably implemented for QIcon,
+ * so we always return false. */
+ return false;
+#endif
+ case QVariant::Matrix:
+ return *v_cast<QMatrix>(a) == *v_cast<QMatrix>(b);
+ case QVariant::Transform:
+ return *v_cast<QTransform>(a) == *v_cast<QTransform>(b);
+ case QVariant::TextFormat:
+ return *v_cast<QTextFormat>(a) == *v_cast<QTextFormat>(b);
+ case QVariant::TextLength:
+ return *v_cast<QTextLength>(a) == *v_cast<QTextLength>(b);
+ case QVariant::SizePolicy:
+ return *v_cast<QSizePolicy>(a) == *v_cast<QSizePolicy>(b);
+#ifndef QT_NO_SHORTCUT
+ case QVariant::KeySequence:
+ return *v_cast<QKeySequence>(a) == *v_cast<QKeySequence>(b);
+#endif
+ case QVariant::Pen:
+ return *v_cast<QPen>(a) == *v_cast<QPen>(b);
+#ifndef QT_NO_MATRIX4X4
+ case QVariant::Matrix4x4:
+ return *v_cast<QMatrix4x4>(a) == *v_cast<QMatrix4x4>(b);
+#endif
+#ifndef QT_NO_VECTOR2D
+ case QVariant::Vector2D:
+ return *v_cast<QVector2D>(a) == *v_cast<QVector2D>(b);
+#endif
+#ifndef QT_NO_VECTOR3D
+ case QVariant::Vector3D:
+ return *v_cast<QVector3D>(a) == *v_cast<QVector3D>(b);
+#endif
+#ifndef QT_NO_VECTOR4D
+ case QVariant::Vector4D:
+ return *v_cast<QVector4D>(a) == *v_cast<QVector4D>(b);
+#endif
+#ifndef QT_NO_QUATERNION
+ case QVariant::Quaternion:
+ return *v_cast<QQuaternion>(a) == *v_cast<QQuaternion>(b);
+#endif
+ default:
+ break;
+ }
+ return qcoreVariantHandler()->compare(a, b);
+}
+
+
+
+static bool convert(const QVariant::Private *d, QVariant::Type t,
+ void *result, bool *ok)
+{
+ switch (t) {
+ case QVariant::ByteArray:
+ if (d->type == QVariant::Color) {
+ *static_cast<QByteArray *>(result) = v_cast<QColor>(d)->name().toLatin1();
+ return true;
+ }
+ break;
+ case QVariant::String: {
+ QString *str = static_cast<QString *>(result);
+ switch (d->type) {
+#ifndef QT_NO_SHORTCUT
+ case QVariant::KeySequence:
+ *str = QString(*v_cast<QKeySequence>(d));
+ return true;
+#endif
+ case QVariant::Font:
+ *str = v_cast<QFont>(d)->toString();
+ return true;
+ case QVariant::Color:
+ *str = v_cast<QColor>(d)->name();
+ return true;
+ default:
+ break;
+ }
+ break;
+ }
+ case QVariant::Pixmap:
+ if (d->type == QVariant::Image) {
+ *static_cast<QPixmap *>(result) = QPixmap::fromImage(*v_cast<QImage>(d));
+ return true;
+ } else if (d->type == QVariant::Bitmap) {
+ *static_cast<QPixmap *>(result) = *v_cast<QBitmap>(d);
+ return true;
+ } else if (d->type == QVariant::Brush) {
+ if (v_cast<QBrush>(d)->style() == Qt::TexturePattern) {
+ *static_cast<QPixmap *>(result) = v_cast<QBrush>(d)->texture();
+ return true;
+ }
+ }
+ break;
+ case QVariant::Image:
+ if (d->type == QVariant::Pixmap) {
+ *static_cast<QImage *>(result) = v_cast<QPixmap>(d)->toImage();
+ return true;
+ } else if (d->type == QVariant::Bitmap) {
+ *static_cast<QImage *>(result) = v_cast<QBitmap>(d)->toImage();
+ return true;
+ }
+ break;
+ case QVariant::Bitmap:
+ if (d->type == QVariant::Pixmap) {
+ *static_cast<QBitmap *>(result) = *v_cast<QPixmap>(d);
+ return true;
+ } else if (d->type == QVariant::Image) {
+ *static_cast<QBitmap *>(result) = QBitmap::fromImage(*v_cast<QImage>(d));
+ return true;
+ }
+ break;
+#ifndef QT_NO_SHORTCUT
+ case QVariant::Int:
+ if (d->type == QVariant::KeySequence) {
+ *static_cast<int *>(result) = (int)(*(v_cast<QKeySequence>(d)));
+ return true;
+ }
+ break;
+#endif
+ case QVariant::Font:
+ if (d->type == QVariant::String) {
+ QFont *f = static_cast<QFont *>(result);
+ f->fromString(*v_cast<QString>(d));
+ return true;
+ }
+ break;
+ case QVariant::Color:
+ if (d->type == QVariant::String) {
+ static_cast<QColor *>(result)->setNamedColor(*v_cast<QString>(d));
+ return static_cast<QColor *>(result)->isValid();
+ } else if (d->type == QVariant::ByteArray) {
+ static_cast<QColor *>(result)->setNamedColor(QString::fromLatin1(
+ *v_cast<QByteArray>(d)));
+ return true;
+ } else if (d->type == QVariant::Brush) {
+ if (v_cast<QBrush>(d)->style() == Qt::SolidPattern) {
+ *static_cast<QColor *>(result) = v_cast<QBrush>(d)->color();
+ return true;
+ }
+ }
+ break;
+ case QVariant::Brush:
+ if (d->type == QVariant::Color) {
+ *static_cast<QBrush *>(result) = QBrush(*v_cast<QColor>(d));
+ return true;
+ } else if (d->type == QVariant::Pixmap) {
+ *static_cast<QBrush *>(result) = QBrush(*v_cast<QPixmap>(d));
+ return true;
+ }
+ break;
+#ifndef QT_NO_SHORTCUT
+ case QVariant::KeySequence: {
+ QKeySequence *seq = static_cast<QKeySequence *>(result);
+ switch (d->type) {
+ case QVariant::String:
+ *seq = QKeySequence(*v_cast<QString>(d));
+ return true;
+ case QVariant::Int:
+ *seq = QKeySequence(d->data.i);
+ return true;
+ default:
+ break;
+ }
+ }
+#endif
+ default:
+ break;
+ }
+ return qcoreVariantHandler()->convert(d, t, result, ok);
+}
+
+#if !defined(QT_NO_DEBUG_STREAM) && !defined(Q_BROKEN_DEBUG_STREAM)
+static void streamDebug(QDebug dbg, const QVariant &v)
+{
+ switch(v.type()) {
+ case QVariant::Cursor:
+#ifndef QT_NO_CURSOR
+// dbg.nospace() << qvariant_cast<QCursor>(v); //FIXME
+#endif
+ break;
+ case QVariant::Bitmap:
+// dbg.nospace() << qvariant_cast<QBitmap>(v); //FIXME
+ break;
+ case QVariant::Polygon:
+ dbg.nospace() << qvariant_cast<QPolygon>(v);
+ break;
+ case QVariant::Region:
+ dbg.nospace() << qvariant_cast<QRegion>(v);
+ break;
+ case QVariant::Font:
+// dbg.nospace() << qvariant_cast<QFont>(v); //FIXME
+ break;
+ case QVariant::Matrix:
+ dbg.nospace() << qvariant_cast<QMatrix>(v);
+ break;
+ case QVariant::Transform:
+ dbg.nospace() << qvariant_cast<QTransform>(v);
+ break;
+ case QVariant::Pixmap:
+// dbg.nospace() << qvariant_cast<QPixmap>(v); //FIXME
+ break;
+ case QVariant::Image:
+// dbg.nospace() << qvariant_cast<QImage>(v); //FIXME
+ break;
+ case QVariant::Brush:
+ dbg.nospace() << qvariant_cast<QBrush>(v);
+ break;
+ case QVariant::Color:
+ dbg.nospace() << qvariant_cast<QColor>(v);
+ break;
+ case QVariant::Palette:
+// dbg.nospace() << qvariant_cast<QPalette>(v); //FIXME
+ break;
+#ifndef QT_NO_ICON
+ case QVariant::Icon:
+// dbg.nospace() << qvariant_cast<QIcon>(v); // FIXME
+ break;
+#endif
+ case QVariant::SizePolicy:
+// dbg.nospace() << qvariant_cast<QSizePolicy>(v); //FIXME
+ break;
+#ifndef QT_NO_SHORTCUT
+ case QVariant::KeySequence:
+ dbg.nospace() << qvariant_cast<QKeySequence>(v);
+ break;
+#endif
+ case QVariant::Pen:
+ dbg.nospace() << qvariant_cast<QPen>(v);
+ break;
+#ifndef QT_NO_MATRIX4X4
+ case QVariant::Matrix4x4:
+ dbg.nospace() << qvariant_cast<QMatrix4x4>(v);
+ break;
+#endif
+#ifndef QT_NO_VECTOR2D
+ case QVariant::Vector2D:
+ dbg.nospace() << qvariant_cast<QVector2D>(v);
+ break;
+#endif
+#ifndef QT_NO_VECTOR3D
+ case QVariant::Vector3D:
+ dbg.nospace() << qvariant_cast<QVector3D>(v);
+ break;
+#endif
+#ifndef QT_NO_VECTOR4D
+ case QVariant::Vector4D:
+ dbg.nospace() << qvariant_cast<QVector4D>(v);
+ break;
+#endif
+#ifndef QT_NO_QUATERNION
+ case QVariant::Quaternion:
+ dbg.nospace() << qvariant_cast<QQuaternion>(v);
+ break;
+#endif
+ default:
+ qcoreVariantHandler()->debugStream(dbg, v);
+ break;
+ }
+}
+#endif
+
+const QVariant::Handler qt_gui_variant_handler = {
+ construct,
+ clear,
+ isNull,
+#ifndef QT_NO_DATASTREAM
+ 0,
+ 0,
+#endif
+ compare,
+ convert,
+ 0,
+#if !defined(QT_NO_DEBUG_STREAM) && !defined(Q_BROKEN_DEBUG_STREAM)
+ streamDebug
+#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 *qMetaTypeGuiHelper;
+
+
+#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
+
+#ifdef QT3_SUPPORT
+Q_DECL_METATYPE_HELPER(QColorGroup)
+#endif
+Q_DECL_METATYPE_HELPER(QFont)
+Q_DECL_METATYPE_HELPER(QPixmap)
+Q_DECL_METATYPE_HELPER(QBrush)
+Q_DECL_METATYPE_HELPER(QColor)
+Q_DECL_METATYPE_HELPER(QPalette)
+#ifndef QT_NO_ICON
+Q_DECL_METATYPE_HELPER(QIcon)
+#endif
+Q_DECL_METATYPE_HELPER(QImage)
+Q_DECL_METATYPE_HELPER(QPolygon)
+Q_DECL_METATYPE_HELPER(QRegion)
+Q_DECL_METATYPE_HELPER(QBitmap)
+#ifndef QT_NO_CURSOR
+Q_DECL_METATYPE_HELPER(QCursor)
+#endif
+Q_DECL_METATYPE_HELPER(QSizePolicy)
+#ifndef QT_NO_SHORTCUT
+Q_DECL_METATYPE_HELPER(QKeySequence)
+#endif
+Q_DECL_METATYPE_HELPER(QPen)
+Q_DECL_METATYPE_HELPER(QTextLength)
+Q_DECL_METATYPE_HELPER(QTextFormat)
+Q_DECL_METATYPE_HELPER(QMatrix)
+Q_DECL_METATYPE_HELPER(QTransform)
+#ifndef QT_NO_MATRIX4X4
+Q_DECL_METATYPE_HELPER(QMatrix4x4)
+#endif
+#ifndef QT_NO_VECTOR2D
+Q_DECL_METATYPE_HELPER(QVector2D)
+#endif
+#ifndef QT_NO_VECTOR3D
+Q_DECL_METATYPE_HELPER(QVector3D)
+#endif
+#ifndef QT_NO_VECTOR4D
+Q_DECL_METATYPE_HELPER(QVector4D)
+#endif
+#ifndef QT_NO_QUATERNION
+Q_DECL_METATYPE_HELPER(QQuaternion)
+#endif
+
+#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 qVariantGuiHelper[] = {
+#ifdef QT3_SUPPORT
+ Q_IMPL_METATYPE_HELPER(QColorGroup),
+#else
+ {0, 0, 0, 0},
+#endif
+ Q_IMPL_METATYPE_HELPER(QFont),
+ Q_IMPL_METATYPE_HELPER(QPixmap),
+ Q_IMPL_METATYPE_HELPER(QBrush),
+ Q_IMPL_METATYPE_HELPER(QColor),
+ Q_IMPL_METATYPE_HELPER(QPalette),
+#ifdef QT_NO_ICON
+ {0, 0, 0, 0},
+#else
+ Q_IMPL_METATYPE_HELPER(QIcon),
+#endif
+ Q_IMPL_METATYPE_HELPER(QImage),
+ Q_IMPL_METATYPE_HELPER(QPolygon),
+ Q_IMPL_METATYPE_HELPER(QRegion),
+ Q_IMPL_METATYPE_HELPER(QBitmap),
+#ifdef QT_NO_CURSOR
+ {0, 0, 0, 0},
+#else
+ Q_IMPL_METATYPE_HELPER(QCursor),
+#endif
+ Q_IMPL_METATYPE_HELPER(QSizePolicy),
+#ifdef QT_NO_SHORTCUT
+ {0, 0, 0, 0},
+#else
+ Q_IMPL_METATYPE_HELPER(QKeySequence),
+#endif
+ Q_IMPL_METATYPE_HELPER(QPen),
+ Q_IMPL_METATYPE_HELPER(QTextLength),
+ Q_IMPL_METATYPE_HELPER(QTextFormat),
+ Q_IMPL_METATYPE_HELPER(QMatrix),
+ Q_IMPL_METATYPE_HELPER(QTransform),
+#ifndef QT_NO_MATRIX4X4
+ Q_IMPL_METATYPE_HELPER(QMatrix4x4),
+#else
+ {0, 0, 0, 0},
+#endif
+#ifndef QT_NO_VECTOR2D
+ Q_IMPL_METATYPE_HELPER(QVector2D),
+#else
+ {0, 0, 0, 0},
+#endif
+#ifndef QT_NO_VECTOR3D
+ Q_IMPL_METATYPE_HELPER(QVector3D),
+#else
+ {0, 0, 0, 0},
+#endif
+#ifndef QT_NO_VECTOR4D
+ Q_IMPL_METATYPE_HELPER(QVector4D),
+#else
+ {0, 0, 0, 0},
+#endif
+#ifndef QT_NO_QUATERNION
+ Q_IMPL_METATYPE_HELPER(QQuaternion)
+#else
+ {0, 0, 0, 0}
+#endif
+};
+
+static const QVariant::Handler *qt_guivariant_last_handler = 0;
+int qRegisterGuiVariant()
+{
+ qt_guivariant_last_handler = QVariant::handler;
+ QVariant::handler = &qt_gui_variant_handler;
+ qMetaTypeGuiHelper = qVariantGuiHelper;
+ return 1;
+}
+Q_CONSTRUCTOR_FUNCTION(qRegisterGuiVariant)
+
+int qUnregisterGuiVariant()
+{
+ QVariant::handler = qt_guivariant_last_handler;
+ qMetaTypeGuiHelper = 0;
+ return 1;
+}
+Q_DESTRUCTOR_FUNCTION(qUnregisterGuiVariant)
+
+QT_END_NAMESPACE