[2] | 1 | /****************************************************************************
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| 2 | **
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| 3 | ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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| 4 | ** Contact: Qt Software Information ([email protected])
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| 5 | **
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| 6 | ** This file is part of the QtGui module of the Qt Toolkit.
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| 7 | **
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| 8 | ** $QT_BEGIN_LICENSE:LGPL$
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| 9 | ** Commercial Usage
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| 10 | ** Licensees holding valid Qt Commercial licenses may use this file in
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| 11 | ** accordance with the Qt Commercial License Agreement provided with the
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| 12 | ** Software or, alternatively, in accordance with the terms contained in
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| 13 | ** a written agreement between you and Nokia.
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| 14 | **
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| 15 | ** GNU Lesser General Public License Usage
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| 16 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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| 17 | ** General Public License version 2.1 as published by the Free Software
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| 18 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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| 19 | ** packaging of this file. Please review the following information to
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| 20 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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| 21 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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| 22 | **
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| 23 | ** In addition, as a special exception, Nokia gives you certain
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| 24 | ** additional rights. These rights are described in the Nokia Qt LGPL
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| 25 | ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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| 26 | ** package.
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| 27 | **
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| 28 | ** GNU General Public License Usage
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| 29 | ** Alternatively, this file may be used under the terms of the GNU
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| 30 | ** General Public License version 3.0 as published by the Free Software
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| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 32 | ** packaging of this file. Please review the following information to
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| 33 | ** ensure the GNU General Public License version 3.0 requirements will be
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| 34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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| 35 | **
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| 36 | ** If you are unsure which license is appropriate for your use, please
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| 37 | ** contact the sales department at [email protected].
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| 38 | ** $QT_END_LICENSE$
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| 39 | **
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| 40 | ****************************************************************************/
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| 41 |
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| 42 | #ifndef QMIME_H
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| 43 | #define QMIME_H
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| 44 |
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| 45 | #include <QtCore/qmimedata.h>
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| 46 |
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| 47 | QT_BEGIN_HEADER
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| 48 |
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| 49 | QT_BEGIN_NAMESPACE
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| 50 |
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| 51 | QT_MODULE(Gui)
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| 52 |
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| 53 | class Q_GUI_EXPORT QMimeSource
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| 54 | {
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| 55 | public:
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| 56 | virtual ~QMimeSource();
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| 57 | virtual const char* format(int n = 0) const = 0;
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| 58 | virtual bool provides(const char*) const;
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| 59 | virtual QByteArray encodedData(const char*) const = 0;
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| 60 | };
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| 61 |
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| 62 |
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| 63 | #if defined(Q_WS_WIN)
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| 64 |
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| 65 | QT_BEGIN_INCLUDE_NAMESPACE
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| 66 | typedef struct tagFORMATETC FORMATETC;
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| 67 | typedef struct tagSTGMEDIUM STGMEDIUM;
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| 68 | struct IDataObject;
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| 69 |
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| 70 | #include <QtCore/qvariant.h>
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| 71 | QT_END_INCLUDE_NAMESPACE
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| 72 |
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| 73 | /*
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| 74 | Encapsulation of conversion between MIME and Windows CLIPFORMAT.
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| 75 | Not need on X11, as the underlying protocol uses the MIME standard
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| 76 | directly.
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| 77 | */
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| 78 |
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| 79 | class Q_GUI_EXPORT QWindowsMime
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| 80 | {
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| 81 | public:
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| 82 | QWindowsMime();
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| 83 | virtual ~QWindowsMime();
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| 84 |
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| 85 | // for converting from Qt
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| 86 | virtual bool canConvertFromMime(const FORMATETC &formatetc, const QMimeData *mimeData) const = 0;
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| 87 | virtual bool convertFromMime(const FORMATETC &formatetc, const QMimeData *mimeData, STGMEDIUM * pmedium) const = 0;
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| 88 | virtual QVector<FORMATETC> formatsForMime(const QString &mimeType, const QMimeData *mimeData) const = 0;
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| 89 |
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| 90 | // for converting to Qt
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| 91 | virtual bool canConvertToMime(const QString &mimeType, IDataObject *pDataObj) const = 0;
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| 92 | virtual QVariant convertToMime(const QString &mimeType, IDataObject *pDataObj, QVariant::Type preferredType) const = 0;
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| 93 | virtual QString mimeForFormat(const FORMATETC &formatetc) const = 0;
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| 94 |
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| 95 | static int registerMimeType(const QString &mime);
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| 96 |
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| 97 | private:
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| 98 | friend class QClipboardWatcher;
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| 99 | friend class QDragManager;
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| 100 | friend class QDropData;
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| 101 | friend class QOleDataObject;
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| 102 |
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| 103 | static QWindowsMime *converterToMime(const QString &mimeType, IDataObject *pDataObj);
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| 104 | static QStringList allMimesForFormats(IDataObject *pDataObj);
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| 105 | static QWindowsMime *converterFromMime(const FORMATETC &formatetc, const QMimeData *mimeData);
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| 106 | static QVector<FORMATETC> allFormatsForMime(const QMimeData *mimeData);
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| 107 | };
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| 108 |
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| 109 | #endif
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[321] | 110 | #if defined(Q_WS_PM)
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| 111 |
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| 112 | /*
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| 113 | Encapsulation of conversion between MIME and OS/2 PM clipboard.
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| 114 | */
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| 115 |
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[323] | 116 | typedef unsigned long ULONG;
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| 117 |
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[321] | 118 | class Q_GUI_EXPORT QPMMime
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| 119 | {
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| 120 | public:
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| 121 | QPMMime();
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| 122 | virtual ~QPMMime();
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[323] | 123 |
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[338] | 124 | struct MimeCFPair
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| 125 | {
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| 126 | MimeCFPair(const QString &m, ULONG f) : mime(m), format(f) {}
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| 127 | QString mime;
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| 128 | ULONG format;
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| 129 | };
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| 130 |
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[323] | 131 | // for converting from Qt
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[338] | 132 | virtual QList<MimeCFPair> formatsForMimeData(const QMimeData *mimeData) const = 0;
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[324] | 133 | virtual bool convertFromMimeData(const QMimeData *mimeData, ULONG format,
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| 134 | ULONG &flags, ULONG *data) const = 0;
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