/usr/include/camp/qt/qthelper.hpp is in libcamp0.7-dev 0.7.1.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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**
** Copyright (C) 2009-2010 TECHNOGERMA Systems France and/or its subsidiary(-ies).
** Contact: Technogerma Systems France Information (contact@technogerma.fr)
**
** This file is part of the CAMP library.
**
** CAMP is free software: you can redistribute it and/or modify
** it under the terms of the GNU Lesser General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** CAMP is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU Lesser General Public License for more details.
**
** You should have received a copy of the GNU Lesser General Public License
** along with CAMP. If not, see <http://www.gnu.org/licenses/>.
**
****************************************************************************/
#ifndef CAMP_QT_QTHELPER_HPP
#define CAMP_QT_QTHELPER_HPP
#include <camp/value.hpp>
#include <QVariant>
namespace camp_ext
{
/**
* \brief Utility class to perform various conversions between CAMP and Qt
*/
class QtHelper
{
public:
/**
* \brief Extract the CAMP type of a Qt type in string form
*
* \param typeName Qt type
*
* \return Corresponding CAMP type
*/
static camp::Type type(const char* typeName)
{
return type(variantType(QMetaType::type(typeName)));
}
/**
* \brief Convert a QVariant type to a CAMP type
*
* \param theType Source QVariant type to convert
*
* \return \a theType converted to a camp::Type
*/
static camp::Type type(QVariant::Type theType)
{
// We add an extra conversion to QVariant::Type because variant.type() may return metatypes
// that do not exist in QVariant (such as QMetaType::Long which is considered a user type)
switch (variantType(theType))
{
case QVariant::Invalid: return camp::noType;
case QVariant::Bool: return camp::boolType;
case QVariant::Char: return camp::intType;
case QVariant::Int: return camp::intType;
case QVariant::LongLong: return camp::intType;
case QVariant::UInt: return camp::intType;
case QVariant::ULongLong: return camp::intType;
case QVariant::Double: return camp::realType;
case QVariant::String: return camp::stringType;
default: return camp::noType;
}
}
/**
* \brief Map a Qt metatype to a QVariant type
*
* \param metaType Source metatype to map
*
* \return \a type converted to a WVariant::Type
*/
static QVariant::Type variantType(int metaType)
{
switch (metaType)
{
case QMetaType::Void: return QVariant::Invalid;
case QMetaType::Bool: return QVariant::Bool;
case QMetaType::Int: return QVariant::Int;
case QMetaType::UInt: return QVariant::UInt;
case QMetaType::Double: return QVariant::Double;
case QMetaType::QChar: return QVariant::Char;
case QMetaType::QString: return QVariant::String;
case QMetaType::QByteArray: return QVariant::ByteArray;
case QMetaType::VoidStar: return QVariant::Invalid;
case QMetaType::Long: return QVariant::Int;
case QMetaType::LongLong: return QVariant::LongLong;
case QMetaType::Short: return QVariant::Int;
case QMetaType::Char: return QVariant::Char;
case QMetaType::ULong: return QVariant::UInt;
case QMetaType::ULongLong: return QVariant::ULongLong;
case QMetaType::UShort: return QVariant::UInt;
case QMetaType::UChar: return QVariant::Char;
case QMetaType::Float: return QVariant::Double;
case QMetaType::QObjectStar: return QVariant::UserType;
case QMetaType::QWidgetStar: return QVariant::UserType;
case QMetaType::QCursor: return QVariant::Cursor;
case QMetaType::QDate: return QVariant::Date;
case QMetaType::QSize: return QVariant::Size;
case QMetaType::QTime: return QVariant::Time;
case QMetaType::QVariantList: return QVariant::UserType;
case QMetaType::QPolygon: return QVariant::Polygon;
case QMetaType::QColor: return QVariant::Color;
case QMetaType::QSizeF: return QVariant::SizeF;
case QMetaType::QRectF: return QVariant::RectF;
case QMetaType::QLine: return QVariant::Line;
case QMetaType::QTextLength: return QVariant::TextLength;
case QMetaType::QStringList: return QVariant::StringList;
case QMetaType::QVariantMap: return QVariant::UserType;
case QMetaType::QVariantHash: return QVariant::UserType;
case QMetaType::QIcon: return QVariant::Icon;
case QMetaType::QPen: return QVariant::Pen;
case QMetaType::QLineF: return QVariant::LineF;
case QMetaType::QTextFormat: return QVariant::TextFormat;
case QMetaType::QRect: return QVariant::Rect;
case QMetaType::QPoint: return QVariant::Point;
case QMetaType::QUrl: return QVariant::Url;
case QMetaType::QRegExp: return QVariant::RegExp;
case QMetaType::QDateTime: return QVariant::DateTime;
case QMetaType::QPointF: return QVariant::UserType;
case QMetaType::QPalette: return QVariant::Palette;
case QMetaType::QFont: return QVariant::Font;
case QMetaType::QBrush: return QVariant::Brush;
case QMetaType::QRegion: return QVariant::Region;
case QMetaType::QBitArray: return QVariant::BitArray;
case QMetaType::QImage: return QVariant::Image;
case QMetaType::QKeySequence: return QVariant::KeySequence;
case QMetaType::QSizePolicy: return QVariant::SizePolicy;
case QMetaType::QPixmap: return QVariant::Pixmap;
case QMetaType::QLocale: return QVariant::Locale;
case QMetaType::QBitmap: return QVariant::Bitmap;
case QMetaType::QMatrix: return QVariant::Matrix;
case QMetaType::QTransform: return QVariant::Transform;
case QMetaType::User: return QVariant::UserType;
default: return QVariant::UserType;
}
}
/**
* \brief Convert a CAMP value to a QVariant
*
* \param value Source camp::Value to convert
*
* \return \a value converted to a QVariant
*/
static QVariant valueToVariant(const camp::Value& value)
{
switch (value.type())
{
default:
case camp::noType: return QVariant();
case camp::boolType: return QVariant(value.to<bool>());
case camp::intType: return QVariant(value.to<int>());
case camp::realType: return QVariant(value.to<double>());
case camp::stringType: return QVariant(value.to<QString>());
case camp::enumType: return QVariant(value.to<int>());
case camp::userType: return QVariant();
}
}
/**
* \brief Convert a QVariant to a CAMP value
*
* \param variant Source QVariant to convert
*
* \return \a variant converted to a camp::Value
*/
static camp::Value variantToValue(const QVariant& variant)
{
// We add an extra conversion to QVariant::Type because variant.type() may return metatypes
// that do not exist in QVariant (such as QMetaType::Long which is considered a user type)
switch (variantType(variant.type()))
{
default:
case QVariant::Invalid: return camp::Value();
case QVariant::Bool: return camp::Value(variant.toBool());
case QVariant::Char: return camp::Value(variant.toInt());
case QVariant::Int: return camp::Value(variant.toInt());
case QVariant::LongLong: return camp::Value(variant.toLongLong());
case QVariant::UInt: return camp::Value(variant.toUInt());
case QVariant::ULongLong: return camp::Value(variant.toULongLong());
case QVariant::Double: return camp::Value(variant.toDouble());
case QVariant::String: return camp::Value(variant.toString());
}
}
};
} // namespace camp_ext
#endif // CAMP_QT_QTHELPER_HPP
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