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32<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qdragobject.h</h1>
33
34<p>This is the verbatim text of the qdragobject.h include file. It is provided only for illustration; the copyright remains with Trolltech.
35<hr>
36<pre>
37/****************************************************************************
38** $Id: qdragobject-h.html 2051 2007-02-21 10:04:20Z chehrlic $
39**
40** Definition of QDragObject
41**
42** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
43**
44** This file is part of the kernel module of the Qt GUI Toolkit.
45**
46** This file may be distributed under the terms of the Q Public License
47** as defined by Trolltech ASA of Norway and appearing in the file
48** LICENSE.QPL included in the packaging of this file.
49**
50** This file may be distributed and/or modified under the terms of the
51** GNU General Public License version 2 as published by the Free Software
52** Foundation and appearing in the file LICENSE.GPL included in the
53** packaging of this file.
54**
55** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
56** licenses may use this file in accordance with the Qt Commercial License
57** Agreement provided with the Software.
58**
59** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
60** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
61**
62** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
63** information about Qt Commercial License Agreements.
64** See http://www.trolltech.com/qpl/ for QPL licensing information.
65** See http://www.trolltech.com/gpl/ for GPL licensing information.
66**
67** Contact info@trolltech.com if any conditions of this licensing are
68** not clear to you.
69**
70**********************************************************************/
71
72#ifndef QDRAGOBJECT_H
73#define QDRAGOBJECT_H
74
75class QWidget;
76class QTextDragPrivate;
77class QDragObjectData;
78class QStoredDragData;
79class QImageDragData;
80
81#ifndef QT_H
82#include "qobject.h"
83#include "qimage.h"
84#include "qstrlist.h"
85#include "qcolor.h"
86#endif // QT_H
87
88#ifndef QT_NO_MIME
89
90class Q_EXPORT QDragObject: public QObject, public QMimeSource {
91 Q_OBJECT
92public:
93 QDragObject( QWidget * dragSource = 0, const char * name = 0 );
94 virtual ~QDragObject();
95
96#ifndef QT_NO_DRAGANDDROP
97 bool drag();
98 bool dragMove();
99 void dragCopy();
100 void dragLink();
101
102 virtual void setPixmap(QPixmap);
103 virtual void setPixmap(QPixmap, const QPoint&amp; hotspot);
104 QPixmap pixmap() const;
105 QPoint pixmapHotSpot() const;
106#endif
107
108 QWidget * source();
109 static QWidget * target();
110
111 static void setTarget(QWidget*);
112
113#ifndef QT_NO_DRAGANDDROP
114 enum DragMode { DragDefault, DragCopy, DragMove, DragLink, DragCopyOrMove };
115
116protected:
117 virtual bool drag(DragMode);
118#endif
119
120private:
121 QDragObjectData * d;
122#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
123 QDragObject( const QDragObject &amp; );
124 QDragObject &amp;operator=( const QDragObject &amp; );
125#endif
126};
127
128class Q_EXPORT QStoredDrag: public QDragObject {
129 Q_OBJECT
130 QStoredDragData * d;
131
132public:
133 QStoredDrag( const char * mimeType,
134 QWidget * dragSource = 0, const char * name = 0 );
135 ~QStoredDrag();
136
137 virtual void setEncodedData( const QByteArray &amp; );
138
139 const char * format(int i) const;
140 virtual QByteArray encodedData(const char*) const;
141
142private:
143#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
144 QStoredDrag( const QStoredDrag &amp; );
145 QStoredDrag &amp;operator=( const QStoredDrag &amp; );
146#endif
147};
148
149class Q_EXPORT QTextDrag: public QDragObject {
150 Q_OBJECT
151 QTextDragPrivate* d;
152public:
153 QTextDrag( const QString &amp;,
154 QWidget * dragSource = 0, const char * name = 0 );
155 QTextDrag( QWidget * dragSource = 0, const char * name = 0 );
156 ~QTextDrag();
157
158 virtual void setText( const QString &amp;);
159 virtual void setSubtype( const QCString &amp;);
160
161 const char * format(int i) const;
162 virtual QByteArray encodedData(const char*) const;
163
164 static bool canDecode( const QMimeSource* e );
165 static bool decode( const QMimeSource* e, QString&amp; s );
166 static bool decode( const QMimeSource* e, QString&amp; s, QCString&amp; subtype );
167
168private:
169#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
170 QTextDrag( const QTextDrag &amp; );
171 QTextDrag &amp;operator=( const QTextDrag &amp; );
172#endif
173};
174
175class Q_EXPORT QImageDrag: public QDragObject {
176 Q_OBJECT
177 QImage img;
178 QStrList ofmts;
179 QImageDragData* d;
180
181public:
182 QImageDrag( QImage image, QWidget * dragSource = 0, const char * name = 0 );
183 QImageDrag( QWidget * dragSource = 0, const char * name = 0 );
184 ~QImageDrag();
185
186 virtual void setImage( QImage image );
187
188 const char * format(int i) const;
189 virtual QByteArray encodedData(const char*) const;
190
191 static bool canDecode( const QMimeSource* e );
192 static bool decode( const QMimeSource* e, QImage&amp; i );
193 static bool decode( const QMimeSource* e, QPixmap&amp; i );
194
195private:
196#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
197 QImageDrag( const QImageDrag &amp; );
198 QImageDrag &amp;operator=( const QImageDrag &amp; );
199#endif
200};
201
202
203class Q_EXPORT QUriDrag: public QStoredDrag {
204 Q_OBJECT
205
206public:
207 QUriDrag( QStrList uris, QWidget * dragSource = 0, const char * name = 0 );
208 QUriDrag( QWidget * dragSource = 0, const char * name = 0 );
209 ~QUriDrag();
210
211 void setFilenames( const QStringList &amp; fnames ) { setFileNames( fnames ); }
212 void setFileNames( const QStringList &amp; fnames );
213 void setUnicodeUris( const QStringList &amp; uuris );
214 virtual void setUris( QStrList uris );
215
216 static QString uriToLocalFile(const char*);
217 static QCString localFileToUri(const QString&amp;);
218 static QString uriToUnicodeUri(const char*);
219 static QCString unicodeUriToUri(const QString&amp;);
220 static bool canDecode( const QMimeSource* e );
221 static bool decode( const QMimeSource* e, QStrList&amp; i );
222 static bool decodeToUnicodeUris( const QMimeSource* e, QStringList&amp; i );
223 static bool decodeLocalFiles( const QMimeSource* e, QStringList&amp; i );
224
225private:
226#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
227 QUriDrag( const QUriDrag &amp; );
228 QUriDrag &amp;operator=( const QUriDrag &amp; );
229#endif
230};
231
232class Q_EXPORT QColorDrag : public QStoredDrag
233{
234 Q_OBJECT
235 QColor color;
236
237public:
238 QColorDrag( const QColor &amp;col, QWidget *dragsource = 0, const char *name = 0 );
239 QColorDrag( QWidget * dragSource = 0, const char * name = 0 );
240 void setColor( const QColor &amp;col );
241
242 static bool canDecode( QMimeSource * );
243 static bool decode( QMimeSource *, QColor &amp;col );
244
245private:
246#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
247 QColorDrag( const QColorDrag &amp; );
248 QColorDrag &amp;operator=( const QColorDrag &amp; );
249#endif
250};
251
252#ifndef QT_NO_COMPAT
253typedef QUriDrag QUrlDrag;
254#endif
255
256#ifndef QT_NO_DRAGANDDROP
257
258// QDragManager is not part of the public API. It is defined in a
259// header file simply so different .cpp files can implement different
260// member functions.
261//
262
263class Q_EXPORT QDragManager: public QObject {
264 Q_OBJECT
265
266private:
267 QDragManager();
268 ~QDragManager();
269 // only friend classes can use QDragManager.
270 friend class QDragObject;
271 friend class QDragMoveEvent;
272 friend class QDropEvent;
273 friend class QApplication;
274
275 bool eventFilter( QObject *, QEvent * );
276 void timerEvent( QTimerEvent* );
277
278 bool drag( QDragObject *, QDragObject::DragMode );
279
280 void cancel( bool deleteSource = TRUE );
281 void move( const QPoint &amp; );
282 void drop();
283 void updatePixmap();
284
285private:
286 QDragObject * object;
287 void updateMode( ButtonState newstate );
288 void updateCursor();
289#if defined(Q_WS_X11)
290 void createCursors();
291#endif
292
293 QWidget * dragSource;
294 QWidget * dropWidget;
295 bool beingCancelled;
296 bool restoreCursor;
297 bool willDrop;
298
299 QPixmap *pm_cursor;
300 int n_cursor;
301#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
302 QDragManager( const QDragManager &amp; );
303 QDragManager &amp;operator=( const QDragManager &amp; );
304#endif
305};
306
307#endif
308
309#endif // QT_NO_MIME
310
311#endif // QDRAGOBJECT_H
312</pre>
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317<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
318<td align=right><div align=right>Qt 3.3.8</div>
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