diff options
Diffstat (limited to 'src/gui/kernel/qmime.h')
| -rw-r--r-- | src/gui/kernel/qmime.h | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/src/gui/kernel/qmime.h b/src/gui/kernel/qmime.h new file mode 100644 index 0000000000..a791f68cf0 --- /dev/null +++ b/src/gui/kernel/qmime.h @@ -0,0 +1,176 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 |