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This is the verbatim text of the qdragobject.h include file. It is provided only for illustration; the copyright remains with Trolltech.
/****************************************************************************
** $Id: qt/qdragobject.h 3.3.8 edited Jan 11 14:38 $
**
** Definition of QDragObject
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the kernel module of the Qt GUI Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Alternatively you may (at your option) use any
** later version of the GNU General Public License if such license has
** been publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.QPL
** included in the packaging of this file. Licensees holding valid Qt
** Commercial 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 WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#ifndef QDRAGOBJECT_H
#define QDRAGOBJECT_H
class QWidget;
class QTextDragPrivate;
class QDragObjectData;
class QStoredDragData;
class QImageDragData;
#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 QDragObject: 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();
void dragLink();
virtual void setPixmap(QPixmap);
virtual void setPixmap(QPixmap, const 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, DragLink, DragCopyOrMove };
protected:
virtual bool drag(DragMode);
#endif
private:
QDragObjectData * d;
#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
QDragObject( const QDragObject & );
QDragObject &operator=( const QDragObject & );
#endif
};
class Q_EXPORT QStoredDrag: 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;
private:
#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
QStoredDrag( const QStoredDrag & );
QStoredDrag &operator=( const QStoredDrag & );
#endif
};
class Q_EXPORT QTextDrag: 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 );
private:
#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
QTextDrag( const QTextDrag & );
QTextDrag &operator=( const QTextDrag & );
#endif
};
class Q_EXPORT QImageDrag: 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 );
private:
#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
QImageDrag( const QImageDrag & );
QImageDrag &operator=( const QImageDrag & );
#endif
};
class Q_EXPORT QUriDrag: 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( const QStringList & fnames ) { setFileNames( fnames ); }
void setFileNames( const QStringList & fnames );
void setUnicodeUris( const 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 );
private:
#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
QUriDrag( const QUriDrag & );
QUriDrag &operator=( const QUriDrag & );
#endif
};
class Q_EXPORT QColorDrag : public QStoredDrag
{
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 );
private:
#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
QColorDrag( const QColorDrag & );
QColorDrag &operator=( const QColorDrag & );
#endif
};
#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;
friend class QApplication;
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();
#if defined(Q_WS_X11)
void createCursors();
#endif
QWidget * dragSource;
QWidget * dropWidget;
bool beingCancelled;
bool restoreCursor;
bool willDrop;
QPixmap *pm_cursor;
int n_cursor;
#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
QDragManager( const QDragManager & );
QDragManager &operator=( const QDragManager & );
#endif
};
#endif
#endif // QT_NO_MIME
#endif // QDRAGOBJECT_H
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