source: trunk/src/qt3support/other/q3dragobject.h@ 98

Last change on this file since 98 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.

File size: 6.7 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the Qt3Support module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you are unsure which license is appropriate for your use, please
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38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#ifndef Q3DRAGOBJECT_H
43#define Q3DRAGOBJECT_H
44
45#include <QtCore/qobject.h>
46#include <QtGui/qcolor.h>
47#include <QtGui/qmime.h>
48#include <QtGui/qimage.h>
49#include <Qt3Support/q3strlist.h>
50#include <QtCore/qlist.h>
51
52QT_BEGIN_HEADER
53
54QT_BEGIN_NAMESPACE
55
56QT_MODULE(Qt3SupportLight)
57
58class QWidget;
59class Q3TextDragPrivate;
60class Q3DragObjectPrivate;
61class Q3StoredDragPrivate;
62class Q3ImageDragPrivate;
63class Q3ImageDrag;
64class Q3TextDrag;
65class Q3StrList;
66class QImage;
67class QPixmap;
68
69class Q_COMPAT_EXPORT Q3DragObject : public QObject, public QMimeSource {
70 Q_OBJECT
71 Q_DECLARE_PRIVATE(Q3DragObject)
72public:
73 Q3DragObject(QWidget * dragSource = 0, const char *name = 0);
74 virtual ~Q3DragObject();
75
76 bool drag();
77 bool dragMove();
78 void dragCopy();
79 void dragLink();
80
81 virtual void setPixmap(QPixmap);
82 virtual void setPixmap(QPixmap, const QPoint& hotspot);
83 QPixmap pixmap() const;
84 QPoint pixmapHotSpot() const;
85
86 QWidget * source();
87 static QWidget * target();
88
89 enum DragMode { DragDefault, DragCopy, DragMove, DragLink, DragCopyOrMove };
90
91protected:
92 Q3DragObject(Q3DragObjectPrivate &, QWidget *dragSource = 0);
93 virtual bool drag(DragMode);
94
95private:
96 friend class QDragMime;
97 Q_DISABLE_COPY(Q3DragObject)
98};
99
100class Q_COMPAT_EXPORT Q3StoredDrag: public Q3DragObject {
101 Q_OBJECT
102 Q_DECLARE_PRIVATE(Q3StoredDrag)
103public:
104 Q3StoredDrag(const char *mimeType, QWidget *dragSource = 0, const char *name = 0);
105 ~Q3StoredDrag();
106
107 virtual void setEncodedData(const QByteArray &);
108
109 const char * format(int i) const;
110 virtual QByteArray encodedData(const char*) const;
111
112protected:
113 Q3StoredDrag(Q3StoredDragPrivate &, const char *mimeType, QWidget *dragSource = 0);
114
115private:
116 Q_DISABLE_COPY(Q3StoredDrag)
117};
118
119class Q_COMPAT_EXPORT Q3TextDrag: public Q3DragObject {
120 Q_OBJECT
121 Q_DECLARE_PRIVATE(Q3TextDrag)
122public:
123 Q3TextDrag(const QString &, QWidget *dragSource = 0, const char *name = 0);
124 Q3TextDrag(QWidget * dragSource = 0, const char * name = 0);
125 ~Q3TextDrag();
126
127 virtual void setText(const QString &);
128 virtual void setSubtype(const QString &);
129
130 const char * format(int i) const;
131 virtual QByteArray encodedData(const char*) const;
132
133 static bool canDecode(const QMimeSource* e);
134 static bool decode(const QMimeSource* e, QString& s);
135 static bool decode(const QMimeSource* e, QString& s, QString& subtype);
136
137protected:
138 Q3TextDrag(Q3TextDragPrivate &, QWidget * dragSource = 0);
139
140private:
141 Q_DISABLE_COPY(Q3TextDrag)
142};
143
144class Q_COMPAT_EXPORT Q3ImageDrag: public Q3DragObject {
145 Q_OBJECT
146 Q_DECLARE_PRIVATE(Q3ImageDrag)
147public:
148 Q3ImageDrag(QImage image, QWidget * dragSource = 0, const char * name = 0);
149 Q3ImageDrag(QWidget * dragSource = 0, const char * name = 0);
150 ~Q3ImageDrag();
151
152 virtual void setImage(QImage image);
153
154 const char * format(int i) const;
155 virtual QByteArray encodedData(const char*) const;
156
157 static bool canDecode(const QMimeSource* e);
158 static bool decode(const QMimeSource* e, QImage& i);
159 static bool decode(const QMimeSource* e, QPixmap& i);
160
161protected:
162 Q3ImageDrag(Q3ImageDragPrivate &, QWidget * dragSource = 0);
163
164private:
165 Q_DISABLE_COPY(Q3ImageDrag)
166};
167
168
169class Q_COMPAT_EXPORT Q3UriDrag: public Q3StoredDrag {
170 Q_OBJECT
171
172public:
173 Q3UriDrag(const Q3StrList &uris, QWidget * dragSource = 0, const char * name = 0);
174 Q3UriDrag(QWidget * dragSource = 0, const char * name = 0);
175 ~Q3UriDrag();
176
177 void setFileNames(const QStringList & fnames);
178 inline void setFileNames(const QString & fname) { setFileNames(QStringList(fname)); }
179 void setFilenames(const QStringList & fnames) { setFileNames(fnames); }
180 inline void setFilenames(const QString & fname) { setFileNames(QStringList(fname)); }
181 void setUnicodeUris(const QStringList & uuris);
182 virtual void setUris(const QList<QByteArray> &uris);
183
184 static QString uriToLocalFile(const char*);
185 static QByteArray localFileToUri(const QString&);
186 static QString uriToUnicodeUri(const char*);
187 static QByteArray unicodeUriToUri(const QString&);
188 static bool canDecode(const QMimeSource* e);
189 static bool decode(const QMimeSource* e, Q3StrList& i);
190 static bool decodeToUnicodeUris(const QMimeSource* e, QStringList& i);
191 static bool decodeLocalFiles(const QMimeSource* e, QStringList& i);
192
193private:
194 Q_DISABLE_COPY(Q3UriDrag)
195};
196
197class Q_COMPAT_EXPORT Q3ColorDrag : public Q3StoredDrag
198{
199 Q_OBJECT
200 QColor color;
201
202public:
203 Q3ColorDrag(const QColor &col, QWidget *dragsource = 0, const char *name = 0);
204 Q3ColorDrag(QWidget * dragSource = 0, const char * name = 0);
205 void setColor(const QColor &col);
206
207 static bool canDecode(QMimeSource *);
208 static bool decode(QMimeSource *, QColor &col);
209
210private:
211 Q_DISABLE_COPY(Q3ColorDrag)
212};
213
214QT_END_NAMESPACE
215
216QT_END_HEADER
217
218#endif // Q3DRAGOBJECT_H
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