source: trunk/include/qmime.h@ 81

Last change on this file since 81 was 8, checked in by dmik, 20 years ago

Transferred Qt for OS/2 version 3.3.1-rc5 sources from the CVS
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1/****************************************************************************
2** $Id: qmime.h 8 2005-11-16 19:36:46Z dmik $
3**
4** Definition of mime classes
5**
6** Created : 981204
7**
8** Copyright (C) 1998-2000 Trolltech AS. All rights reserved.
9**
10** This file is part of the kernel module of the Qt GUI Toolkit.
11**
12** This file may be distributed under the terms of the Q Public License
13** as defined by Trolltech AS of Norway and appearing in the file
14** LICENSE.QPL included in the packaging of this file.
15**
16** This file may be distributed and/or modified under the terms of the
17** GNU General Public License version 2 as published by the Free Software
18** Foundation and appearing in the file LICENSE.GPL included in the
19** packaging of this file.
20**
21** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
22** licenses may use this file in accordance with the Qt Commercial License
23** Agreement provided with the Software.
24**
25** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
26** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
27**
28** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
29** information about Qt Commercial License Agreements.
30** See http://www.trolltech.com/qpl/ for QPL licensing information.
31** See http://www.trolltech.com/gpl/ for GPL licensing information.
32**
33** Contact info@trolltech.com if any conditions of this licensing are
34** not clear to you.
35**
36**********************************************************************/
37
38#ifndef QMIME_H
39#define QMIME_H
40
41#ifndef QT_H
42#include "qwindowdefs.h"
43#include "qmap.h"
44#endif // QT_H
45
46#ifndef QT_NO_MIME
47
48class QImageDrag;
49class QTextDrag;
50
51class Q_EXPORT QMimeSource
52{
53 friend class QClipboardData;
54
55public:
56 QMimeSource();
57 virtual ~QMimeSource();
58 virtual const char* format( int n = 0 ) const = 0;
59 virtual bool provides( const char* ) const;
60 virtual QByteArray encodedData( const char* ) const = 0;
61 int serialNumber() const;
62
63private:
64 int ser_no;
65 enum { NoCache, Text, Graphics } cacheType;
66 union
67 {
68 struct
69 {
70 QString *str;
71 QCString *subtype;
72 } txt;
73 struct
74 {
75 QImage *img;
76 QPixmap *pix;
77 } gfx;
78 } cache;
79 void clearCache();
80
81 // friends for caching
82 friend class QImageDrag;
83 friend class QTextDrag;
84
85};
86
87inline int QMimeSource::serialNumber() const
88{ return ser_no; }
89
90class QStringList;
91class QMimeSourceFactoryData;
92
93class Q_EXPORT QMimeSourceFactory {
94public:
95 QMimeSourceFactory();
96 virtual ~QMimeSourceFactory();
97
98 static QMimeSourceFactory* defaultFactory();
99 static void setDefaultFactory( QMimeSourceFactory* );
100 static QMimeSourceFactory* takeDefaultFactory();
101 static void addFactory( QMimeSourceFactory *f );
102 static void removeFactory( QMimeSourceFactory *f );
103
104 virtual const QMimeSource* data(const QString& abs_name) const;
105 virtual QString makeAbsolute(const QString& abs_or_rel_name, const QString& context) const;
106 const QMimeSource* data(const QString& abs_or_rel_name, const QString& context) const;
107
108 virtual void setText( const QString& abs_name, const QString& text );
109 virtual void setImage( const QString& abs_name, const QImage& im );
110 virtual void setPixmap( const QString& abs_name, const QPixmap& pm );
111 virtual void setData( const QString& abs_name, QMimeSource* data );
112 virtual void setFilePath( const QStringList& );
113 virtual QStringList filePath() const;
114 void addFilePath( const QString& );
115 virtual void setExtensionType( const QString& ext, const char* mimetype );
116
117private:
118 QMimeSource *dataInternal(const QString& abs_name, const QMap<QString, QString> &extensions ) const;
119 QMimeSourceFactoryData* d;
120};
121
122#if defined(Q_WS_WIN)
123
124#ifndef QT_H
125#include "qptrlist.h" // down here for GCC 2.7.* compatibility
126#endif // QT_H
127
128/*
129 Encapsulation of conversion between MIME and Windows CLIPFORMAT.
130 Not need on X11, as the underlying protocol uses the MIME standard
131 directly.
132*/
133
134class Q_EXPORT QWindowsMime {
135public:
136 QWindowsMime();
137 virtual ~QWindowsMime();
138
139 static void initialize();
140
141 static QPtrList<QWindowsMime> all();
142 static QWindowsMime* convertor( const char* mime, int cf );
143 static const char* cfToMime(int cf);
144
145 static int registerMimeType(const char *mime);
146
147 virtual const char* convertorName()=0;
148 virtual int countCf()=0;
149 virtual int cf(int index)=0;
150 virtual bool canConvert( const char* mime, int cf )=0;
151 virtual const char* mimeFor(int cf)=0;
152 virtual int cfFor(const char* )=0;
153 virtual QByteArray convertToMime( QByteArray data, const char* mime, int cf )=0;
154 virtual QByteArray convertFromMime( QByteArray data, const char* mime, int cf )=0;
155};
156
157#endif // Q_WS_WIN
158
159#if defined(Q_WS_PM)
160
161#ifndef QT_H
162#include "qptrlist.h" // down here for GCC 2.7.* compatibility
163#endif // QT_H
164
165/*
166 Encapsulation of conversion between MIME and OS/2 PM clipboard formats.
167 Not need on X11, as the underlying protocol uses the MIME standard
168 directly.
169*/
170
171class Q_EXPORT QPMMime {
172public:
173 enum { CFI_Storage = CFI_POINTER & CFI_HANDLE };
174
175 QPMMime();
176 virtual ~QPMMime();
177
178 static void initialize();
179
180 static QPtrList<QPMMime> all();
181 static QPMMime* convertor( const char* mime, ulong cf );
182 static const char* cfToMime( ulong cf );
183
184 static ulong registerMimeType( const char *mime );
185
186 virtual const char* convertorName() = 0;
187 virtual int countCf() = 0;
188 virtual ulong cf( int index ) = 0;
189 virtual ulong flFor( ulong cf ) = 0;
190 virtual ulong cfFor( const char* ) = 0;
191 virtual const char* mimeFor( ulong cf ) = 0;
192 virtual bool canConvert( const char* mime, ulong cf ) = 0;
193 virtual QByteArray convertToMime( QByteArray data, const char *mime, ulong cf ) = 0;
194 virtual QByteArray convertFromMime( QByteArray data, const char *mime, ulong cf ) = 0;
195};
196
197#endif // Q_WS_PM
198
199#if defined(Q_WS_MAC)
200
201#ifndef QT_H
202#include "qptrlist.h" // down here for GCC 2.7.* compatibility
203#endif // QT_H
204
205/*
206 Encapsulation of conversion between MIME and Mac flavor.
207 Not need on X11, as the underlying protocol uses the MIME standard
208 directly.
209*/
210
211class Q_EXPORT QMacMime {
212 char type;
213public:
214 enum QMacMimeType { MIME_DND=0x01, MIME_CLIP=0x02, MIME_QT_CONVERTOR=0x04, MIME_ALL=MIME_DND|MIME_CLIP };
215 QMacMime(char);
216 virtual ~QMacMime();
217
218 static void initialize();
219
220 static QPtrList<QMacMime> all(QMacMimeType);
221 static QMacMime* convertor(QMacMimeType, const char* mime, int flav);
222 static const char* flavorToMime(QMacMimeType, int flav);
223
224 virtual const char* convertorName()=0;
225 virtual int countFlavors()=0;
226 virtual int flavor(int index)=0;
227 virtual bool canConvert(const char* mime, int flav)=0;
228 virtual const char* mimeFor(int flav)=0;
229 virtual int flavorFor(const char*)=0;
230 virtual QByteArray convertToMime(QValueList<QByteArray> data, const char* mime, int flav)=0;
231 virtual QValueList<QByteArray> convertFromMime(QByteArray data, const char* mime, int flav)=0;
232};
233
234#endif // Q_WS_MAC
235
236#endif // QT_NO_MIME
237
238#endif // QMIME_H
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