|
1 /**************************************************************************** |
|
2 ** |
|
3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
|
4 ** All rights reserved. |
|
5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
|
6 ** |
|
7 ** This file is part of the QtGui module of the Qt Toolkit. |
|
8 ** |
|
9 ** $QT_BEGIN_LICENSE:LGPL$ |
|
10 ** No Commercial Usage |
|
11 ** This file contains pre-release code and may not be distributed. |
|
12 ** You may use this file in accordance with the terms and conditions |
|
13 ** contained in the Technology Preview License Agreement accompanying |
|
14 ** this package. |
|
15 ** |
|
16 ** GNU Lesser General Public License Usage |
|
17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
|
18 ** General Public License version 2.1 as published by the Free Software |
|
19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
|
20 ** packaging of this file. Please review the following information to |
|
21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
|
22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
|
23 ** |
|
24 ** In addition, as a special exception, Nokia gives you certain additional |
|
25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
|
26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
|
27 ** |
|
28 ** If you have questions regarding the use of this file, please contact |
|
29 ** Nokia at qt-info@nokia.com. |
|
30 ** |
|
31 ** |
|
32 ** |
|
33 ** |
|
34 ** |
|
35 ** |
|
36 ** |
|
37 ** |
|
38 ** $QT_END_LICENSE$ |
|
39 ** |
|
40 ****************************************************************************/ |
|
41 |
|
42 #ifndef QCLIPBOARD_P_H |
|
43 #define QCLIPBOARD_P_H |
|
44 |
|
45 // |
|
46 // W A R N I N G |
|
47 // ------------- |
|
48 // |
|
49 // This file is not part of the Qt API. It exists purely as an |
|
50 // implementation detail. This header file may change from version to |
|
51 // version without notice, or even be removed. |
|
52 // |
|
53 // We mean it. |
|
54 // |
|
55 |
|
56 #include "private/qobject_p.h" |
|
57 #include "QtGui/qmime.h" |
|
58 #include "QtGui/qclipboard.h" |
|
59 |
|
60 QT_BEGIN_NAMESPACE |
|
61 |
|
62 class QClipboardPrivate; |
|
63 |
|
64 class QMimeDataWrapper : public QMimeSource |
|
65 { |
|
66 public: |
|
67 QMimeDataWrapper() {} |
|
68 |
|
69 const char* format(int n) const; |
|
70 QByteArray encodedData(const char*) const; |
|
71 |
|
72 mutable QList<QByteArray> formats; |
|
73 const QMimeData *data; |
|
74 }; |
|
75 |
|
76 class QMimeSourceWrapper : public QMimeData |
|
77 { |
|
78 public: |
|
79 QMimeSourceWrapper(QClipboardPrivate *priv, QClipboard::Mode m); |
|
80 ~QMimeSourceWrapper(); |
|
81 |
|
82 bool hasFormat(const QString &mimetype) const; |
|
83 QStringList formats() const; |
|
84 |
|
85 protected: |
|
86 QVariant retrieveData(const QString &mimetype, QVariant::Type) const; |
|
87 private: |
|
88 QClipboardPrivate *d; |
|
89 QClipboard::Mode mode; |
|
90 QMimeSource *source; |
|
91 }; |
|
92 |
|
93 |
|
94 class QClipboardPrivate : public QObjectPrivate |
|
95 { |
|
96 public: |
|
97 QClipboardPrivate() : QObjectPrivate() { |
|
98 for (int i = 0; i <= QClipboard::LastMode; ++i) { |
|
99 compat_data[i] = 0; |
|
100 wrapper[i] = new QMimeDataWrapper(); |
|
101 } |
|
102 } |
|
103 ~QClipboardPrivate() { |
|
104 for (int i = 0; i <= QClipboard::LastMode; ++i) { |
|
105 delete wrapper[i]; |
|
106 delete compat_data[i]; |
|
107 } |
|
108 } |
|
109 |
|
110 mutable QMimeDataWrapper *wrapper[QClipboard::LastMode + 1]; |
|
111 mutable QMimeSource *compat_data[QClipboard::LastMode + 1]; |
|
112 }; |
|
113 |
|
114 inline QMimeSourceWrapper::QMimeSourceWrapper(QClipboardPrivate *priv, QClipboard::Mode m) |
|
115 : QMimeData() |
|
116 { |
|
117 d = priv; |
|
118 mode = m; |
|
119 source = d->compat_data[mode]; |
|
120 } |
|
121 |
|
122 inline QMimeSourceWrapper::~QMimeSourceWrapper() |
|
123 { |
|
124 if (d->compat_data[mode] == source) |
|
125 d->compat_data[mode] = 0; |
|
126 delete source; |
|
127 } |
|
128 |
|
129 QT_END_NAMESPACE |
|
130 |
|
131 #endif // QCLIPBOARD_P_H |