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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QMIME_H
#define QMIME_H
#include <QtCore/qmimedata.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
class Q_GUI_EXPORT QMimeSource
{
public:
virtual ~QMimeSource();
virtual const char* format(int n = 0) const = 0;
virtual bool provides(const char*) const;
virtual QByteArray encodedData(const char*) const = 0;
};
#if defined(Q_WS_WIN)
QT_BEGIN_INCLUDE_NAMESPACE
typedef struct tagFORMATETC FORMATETC;
typedef struct tagSTGMEDIUM STGMEDIUM;
struct IDataObject;
#include <QtCore/qvariant.h>
QT_END_INCLUDE_NAMESPACE
/*
Encapsulation of conversion between MIME and Windows CLIPFORMAT.
Not need on X11, as the underlying protocol uses the MIME standard
directly.
*/
class Q_GUI_EXPORT QWindowsMime
{
public:
QWindowsMime();
virtual ~QWindowsMime();
// for converting from Qt
virtual bool canConvertFromMime(const FORMATETC &formatetc, const QMimeData *mimeData) const = 0;
virtual bool convertFromMime(const FORMATETC &formatetc, const QMimeData *mimeData, STGMEDIUM * pmedium) const = 0;
virtual QVector<FORMATETC> formatsForMime(const QString &mimeType, const QMimeData *mimeData) const = 0;
// for converting to Qt
virtual bool canConvertToMime(const QString &mimeType, IDataObject *pDataObj) const = 0;
virtual QVariant convertToMime(const QString &mimeType, IDataObject *pDataObj, QVariant::Type preferredType) const = 0;
virtual QString mimeForFormat(const FORMATETC &formatetc) const = 0;
static int registerMimeType(const QString &mime);
private:
friend class QClipboardWatcher;
friend class QDragManager;
friend class QDropData;
friend class QOleDataObject;
static QWindowsMime *converterToMime(const QString &mimeType, IDataObject *pDataObj);
static QStringList allMimesForFormats(IDataObject *pDataObj);
static QWindowsMime *converterFromMime(const FORMATETC &formatetc, const QMimeData *mimeData);
static QVector<FORMATETC> allFormatsForMime(const QMimeData *mimeData);
};
#endif
#if defined(Q_WS_MAC)
/*
Encapsulation of conversion between MIME and Mac flavor.
Not needed on X11, as the underlying protocol uses the MIME standard
directly.
*/
class Q_GUI_EXPORT QMacMime { //Obsolete
char type;
public:
enum QMacMimeType { MIME_DND=0x01, MIME_CLIP=0x02, MIME_QT_CONVERTOR=0x04, MIME_ALL=MIME_DND|MIME_CLIP };
explicit QMacMime(char) { }
virtual ~QMacMime() { }
static void initialize() { }
static QList<QMacMime*> all(QMacMimeType) { return QList<QMacMime*>(); }
static QMacMime *convertor(QMacMimeType, const QString &, int) { return 0; }
static QString flavorToMime(QMacMimeType, int) { return QString(); }
virtual QString convertorName()=0;
virtual int countFlavors()=0;
virtual int flavor(int index)=0;
virtual bool canConvert(const QString &mime, int flav)=0;
virtual QString mimeFor(int flav)=0;
virtual int flavorFor(const QString &mime)=0;
virtual QVariant convertToMime(const QString &mime, QList<QByteArray> data, int flav)=0;
virtual QList<QByteArray> convertFromMime(const QString &mime, QVariant data, int flav)=0;
};
class Q_GUI_EXPORT QMacPasteboardMime {
char type;
public:
enum QMacPasteboardMimeType { MIME_DND=0x01,
MIME_CLIP=0x02,
MIME_QT_CONVERTOR=0x04,
MIME_QT3_CONVERTOR=0x08,
MIME_ALL=MIME_DND|MIME_CLIP
};
explicit QMacPasteboardMime(char);
virtual ~QMacPasteboardMime();
static void initialize();
static QList<QMacPasteboardMime*> all(uchar);
static QMacPasteboardMime *convertor(uchar, const QString &mime, QString flav);
static QString flavorToMime(uchar, QString flav);
virtual QString convertorName() = 0;
virtual bool canConvert(const QString &mime, QString flav) = 0;
virtual QString mimeFor(QString flav) = 0;
virtual QString flavorFor(const QString &mime) = 0;
virtual QVariant convertToMime(const QString &mime, QList<QByteArray> data, QString flav) = 0;
virtual QList<QByteArray> convertFromMime(const QString &mime, QVariant data, QString flav) = 0;
};
// ### Qt 5: Add const QStringList& QMacPasteboardMime::supportedFlavours()
Q_GUI_EXPORT void qRegisterDraggedTypes(const QStringList &types);
#endif // Q_WS_MAC
QT_END_NAMESPACE
QT_END_HEADER
#endif // QMIME_H
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