mirror of
https://bitbucket.org/smil3y/kdelibs.git
synced 2025-02-24 19:02:48 +00:00
116 lines
3.7 KiB
C++
116 lines
3.7 KiB
C++
/*
|
|
This file is part of the KDE libraries
|
|
Copyright (c) 2006 Thomas Braxton <brax108@cox.net>
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2 of the License, or (at your option) any later version.
|
|
|
|
This library 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public License
|
|
along with this library; see the file COPYING.LIB. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
|
|
#ifndef CONVERSION_CHECK_H
|
|
#define CONVERSION_CHECK_H
|
|
|
|
#include <QtGui/qcolor.h>
|
|
#include <QtGui/qfont.h>
|
|
#include <QtCore/qdatetime.h>
|
|
#include <QtCore/qrect.h>
|
|
#include <kurl.h>
|
|
|
|
namespace ConversionCheck {
|
|
|
|
// used to distinguish between supported/unsupported types
|
|
struct supported { };
|
|
struct unsupported { };
|
|
|
|
// traits type class to define support for constraints
|
|
template <typename T>
|
|
struct QVconvertible
|
|
{
|
|
typedef unsupported toQString;
|
|
typedef unsupported toQVariant;
|
|
};
|
|
|
|
// constraint classes
|
|
template <typename T>
|
|
struct type_toQString
|
|
{
|
|
void constraint() { supported x = y; Q_UNUSED(x); }
|
|
typename QVconvertible<T>::toQString y;
|
|
};
|
|
|
|
template <typename T>
|
|
struct type_toQVariant
|
|
{
|
|
void constraint() { supported x = y; Q_UNUSED(x); }
|
|
typename QVconvertible<T>::toQVariant y;
|
|
};
|
|
|
|
|
|
// check if T is convertible to QString thru QVariant
|
|
// if not supported can't be used in QList<T> functions
|
|
template <typename T>
|
|
inline void to_QString()
|
|
{
|
|
void (type_toQString<T>::*x)() = &type_toQString<T>::constraint;
|
|
Q_UNUSED(x);
|
|
}
|
|
|
|
// check if T is convertible to QVariant & supported in readEntry/writeEntry
|
|
template <typename T>
|
|
inline void to_QVariant()
|
|
{
|
|
void (type_toQVariant<T>::*x)() = &type_toQVariant<T>::constraint;
|
|
Q_UNUSED(x);
|
|
}
|
|
|
|
// define for all types handled in readEntry/writeEntry
|
|
// string_support - is supported by QVariant(type).toString(),
|
|
// can be used in QList<T> functions
|
|
// variant_support - has a QVariant constructor
|
|
#define QVConversions(type, string_support, variant_support) \
|
|
template <> struct QVconvertible<type> {\
|
|
typedef string_support toQString;\
|
|
typedef variant_support toQVariant;\
|
|
}
|
|
|
|
// The only types needed here are the types handled in readEntry/writeEntry
|
|
// the default QVconvertible will take care of the rest.
|
|
QVConversions(bool, supported, supported);
|
|
QVConversions(int, supported, supported);
|
|
QVConversions(unsigned int, supported, supported);
|
|
QVConversions(long long, supported, supported);
|
|
QVConversions(unsigned long long, supported, supported);
|
|
QVConversions(float, supported, supported);
|
|
QVConversions(double, supported, supported);
|
|
QVConversions(QString, supported, supported);
|
|
QVConversions(QColor, unsupported, supported);
|
|
QVConversions(QFont, supported, supported);
|
|
QVConversions(QDateTime, unsupported, supported);
|
|
QVConversions(QDate, unsupported, supported);
|
|
QVConversions(QSize, unsupported, supported);
|
|
QVConversions(QRect, unsupported, supported);
|
|
QVConversions(QPoint, unsupported, supported);
|
|
QVConversions(QSizeF, unsupported, supported);
|
|
QVConversions(QRectF, unsupported, supported);
|
|
QVConversions(QPointF, unsupported, supported);
|
|
QVConversions(QByteArray, supported, supported);
|
|
QVConversions(QStringList, unsupported, supported);
|
|
QVConversions(QVariantList, unsupported, supported);
|
|
QVConversions(KUrl, supported, supported);
|
|
QVConversions(KUrl::List, unsupported, supported);
|
|
}
|
|
|
|
#endif
|
|
|