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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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Qt Toolkit - qdragobject.h include file
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<h1 align=center>qdragobject.h</h1><br clear="all">
This is the verbatim text of the qdragobject.h include file. It is
provided only for illustration; the copyright
remains with Trolltech.
<hr>
<pre>
/****************************************************************************
** $Id: qt/src/kernel/qdragobject.h 2.3.2 edited 2001-08-30 $
**
** Definition of QDragObject
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of the kernel module of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses may use this file in accordance with the Qt Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
** information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#ifndef QDRAGOBJECT_H
#define QDRAGOBJECT_H
struct QDragData;
struct QStoredDragData;
class <a href="qwidget.html">QWidget</a>;
#ifndef QT_H
#include "qobject.h"
#include "qimage.h"
#include "qstrlist.h"
#include "qcolor.h"
#endif // QT_H
#ifndef QT_NO_MIME
class Q_EXPORT <a href="qdragobject.html">QDragObject</a>: public QObject, public QMimeSource {
Q_OBJECT
public:
QDragObject( QWidget * dragSource = 0, const char * name = 0 );
virtual ~QDragObject();
#ifndef QT_NO_DRAGANDDROP
bool drag();
bool dragMove();
void dragCopy();
#if defined(Q_INCOMPATIBLE_3_0_ADDONS)
void dragLink();
#endif
virtual void setPixmap(QPixmap);
virtual void setPixmap(QPixmap, QPoint hotspot);
QPixmap pixmap() const;
QPoint pixmapHotSpot() const;
#endif
QWidget * source();
static QWidget * target();
static void setTarget(QWidget*);
#ifndef QT_NO_DRAGANDDROP
enum DragMode { DragDefault, DragCopy, DragMove, DragCopyOrMove
#if defined(Q_INCOMPATIBLE_3_0_ADDONS)
, DragLink
#endif
};
protected:
virtual bool drag(DragMode);
#endif
private:
QDragData * d;
};
class Q_EXPORT <a href="qstoreddrag.html">QStoredDrag</a>: public QDragObject {
Q_OBJECT
QStoredDragData * d;
public:
QStoredDrag( const char * mimeType,
QWidget * dragSource = 0, const char * name = 0 );
~QStoredDrag();
virtual void setEncodedData( const QByteArray & );
const char * format(int i) const;
virtual QByteArray encodedData(const char*) const;
};
class QTextDragPrivate;
class Q_EXPORT <a href="qtextdrag.html">QTextDrag</a>: public QDragObject {
Q_OBJECT
QTextDragPrivate* d;
public:
QTextDrag( const QString &,
QWidget * dragSource = 0, const char * name = 0 );
QTextDrag( QWidget * dragSource = 0, const char * name = 0 );
~QTextDrag();
virtual void setText( const QString &);
virtual void setSubtype( const QCString &);
const char * format(int i) const;
virtual QByteArray encodedData(const char*) const;
static bool canDecode( const QMimeSource* e );
static bool decode( const QMimeSource* e, QString& s );
static bool decode( const QMimeSource* e, QString& s, QCString& subtype );
};
class QImageDragData;
class Q_EXPORT <a href="qimagedrag.html">QImageDrag</a>: public QDragObject {
Q_OBJECT
QImage img;
QStrList ofmts;
QImageDragData* d;
public:
QImageDrag( QImage image,
QWidget * dragSource = 0, const char * name = 0 );
QImageDrag( QWidget * dragSource = 0, const char * name = 0 );
~QImageDrag();
virtual void setImage( QImage image );
const char * format(int i) const;
virtual QByteArray encodedData(const char*) const;
static bool canDecode( const QMimeSource* e );
static bool decode( const QMimeSource* e, QImage& i );
static bool decode( const QMimeSource* e, QPixmap& i );
};
class Q_EXPORT <a href="quridrag.html">QUriDrag</a>: public QStoredDrag {
Q_OBJECT
public:
QUriDrag( QStrList uris,
QWidget * dragSource = 0, const char * name = 0 );
QUriDrag( QWidget * dragSource = 0, const char * name = 0 );
~QUriDrag();
void setFilenames( QStringList fnames );
void setUnicodeUris( QStringList uuris );
virtual void setUris( QStrList uris );
static QString uriToLocalFile(const char*);
static QCString localFileToUri(const QString&);
static QString uriToUnicodeUri(const char*);
static QCString unicodeUriToUri(const QString&);
static bool canDecode( const QMimeSource* e );
static bool decode( const QMimeSource* e, QStrList& i );
static bool decodeToUnicodeUris( const QMimeSource* e, QStringList& i );
static bool decodeLocalFiles( const QMimeSource* e, QStringList& i );
};
class Q_EXPORT <a href="qcolordrag.html">QColorDrag</a> : public <a href="qstoreddrag.html">QStoredDrag</a>
{
Q_OBJECT
QColor color;
public:
QColorDrag( const QColor &col, QWidget *dragsource = 0, const char *name = 0 );
QColorDrag( QWidget * dragSource = 0, const char * name = 0 );
void setColor( const QColor &col );
static bool canDecode( QMimeSource * );
static bool decode( QMimeSource *, QColor &col );
};
#ifndef QT_NO_COMPAT
typedef QUriDrag QUrlDrag;
#endif
#ifndef QT_NO_DRAGANDDROP
// QDragManager is not part of the public API. It is defined in a
// header file simply so different .cpp files can implement different
// member functions.
//
class Q_EXPORT QDragManager: public QObject {
Q_OBJECT
private:
QDragManager();
~QDragManager();
// only friend classes can use QDragManager.
friend class QDragObject;
friend class QDragMoveEvent;
friend class QDropEvent;
bool eventFilter( QObject *, QEvent * );
void timerEvent( QTimerEvent* );
bool drag( QDragObject *, QDragObject::DragMode );
void cancel( bool deleteSource = TRUE );
void move( const QPoint & );
void drop();
void updatePixmap();
private:
QDragObject * object;
void updateMode( ButtonState newstate );
void updateCursor();
QWidget * dragSource;
QWidget * dropWidget;
bool beingCancelled;
bool restoreCursor;
bool willDrop;
QPixmap *pm_cursor;
int n_cursor;
};
#endif
#endif // QT_NO_MIME
#endif // QDRAGOBJECT_H
</pre>
<p><address><hr><div align="center">
<table width="100%" cellspacing="0" border="0"><tr>
<td>Copyright 2001 Trolltech<td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a>
<td align="right"><div align="right">Qt version 2.3.2</div>
</table></div></address></body></html>
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