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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 TQDragObject
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the kernel module of the TQt 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 TQt 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.TQPL
** included in the packaging of this file. Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** 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 TQDRAGOBJECT_H
#define TQDRAGOBJECT_H
class TQWidget;
class TQTextDragPrivate;
class TQDragObjectData;
class TQStoredDragData;
class TQImageDragData;
#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 TQDragObject: public TQObject, public TQMimeSource {
Q_OBJECT
public:
TQDragObject( TQWidget * dragSource = 0, const char * name = 0 );
virtual ~TQDragObject();
#ifndef QT_NO_DRAGANDDROP
bool drag();
bool dragMove();
void dragCopy();
void dragLink();
virtual void setPixmap(TQPixmap);
virtual void setPixmap(TQPixmap, const TQPoint& hotspot);
TQPixmap pixmap() const;
TQPoint pixmapHotSpot() const;
#endif
TQWidget * source();
static TQWidget * target();
static void setTarget(TQWidget*);
#ifndef QT_NO_DRAGANDDROP
enum DragMode { DragDefault, DragCopy, DragMove, DragLink, DragCopyOrMove };
protected:
virtual bool drag(DragMode);
#endif
private:
TQDragObjectData * d;
#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
TQDragObject( const TQDragObject & );
TQDragObject &operator=( const TQDragObject & );
#endif
};
class Q_EXPORT TQStoredDrag: public TQDragObject {
Q_OBJECT
TQStoredDragData * d;
public:
TQStoredDrag( const char * mimeType,
TQWidget * dragSource = 0, const char * name = 0 );
~TQStoredDrag();
virtual void setEncodedData( const TQByteArray & );
const char * format(int i) const;
virtual TQByteArray encodedData(const char*) const;
private:
#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
TQStoredDrag( const TQStoredDrag & );
TQStoredDrag &operator=( const TQStoredDrag & );
#endif
};
class Q_EXPORT TQTextDrag: public TQDragObject {
Q_OBJECT
TQTextDragPrivate* d;
public:
TQTextDrag( const TQString &,
TQWidget * dragSource = 0, const char * name = 0 );
TQTextDrag( TQWidget * dragSource = 0, const char * name = 0 );
~TQTextDrag();
virtual void setText( const TQString &);
virtual void setSubtype( const TQCString &);
const char * format(int i) const;
virtual TQByteArray encodedData(const char*) const;
static bool canDecode( const TQMimeSource* e );
static bool decode( const TQMimeSource* e, TQString& s );
static bool decode( const TQMimeSource* e, TQString& s, TQCString& subtype );
private:
#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
TQTextDrag( const TQTextDrag & );
TQTextDrag &operator=( const TQTextDrag & );
#endif
};
class Q_EXPORT TQImageDrag: public TQDragObject {
Q_OBJECT
TQImage img;
TQStrList ofmts;
TQImageDragData* d;
public:
TQImageDrag( TQImage image, TQWidget * dragSource = 0, const char * name = 0 );
TQImageDrag( TQWidget * dragSource = 0, const char * name = 0 );
~TQImageDrag();
virtual void setImage( TQImage image );
const char * format(int i) const;
virtual TQByteArray encodedData(const char*) const;
static bool canDecode( const TQMimeSource* e );
static bool decode( const TQMimeSource* e, TQImage& i );
static bool decode( const TQMimeSource* e, TQPixmap& i );
private:
#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
TQImageDrag( const TQImageDrag & );
TQImageDrag &operator=( const TQImageDrag & );
#endif
};
class Q_EXPORT TQUriDrag: public TQStoredDrag {
Q_OBJECT
public:
TQUriDrag( TQStrList uris, TQWidget * dragSource = 0, const char * name = 0 );
TQUriDrag( TQWidget * dragSource = 0, const char * name = 0 );
~TQUriDrag();
void setFilenames( const TQStringList & fnames ) { setFileNames( fnames ); }
void setFileNames( const TQStringList & fnames );
void setUnicodeUris( const TQStringList & uuris );
virtual void setUris( TQStrList uris );
static TQString uriToLocalFile(const char*);
static TQCString localFileToUri(const TQString&);
static TQString uriToUnicodeUri(const char*);
static TQCString unicodeUriToUri(const TQString&);
static bool canDecode( const TQMimeSource* e );
static bool decode( const TQMimeSource* e, TQStrList& i );
static bool decodeToUnicodeUris( const TQMimeSource* e, TQStringList& i );
static bool decodeLocalFiles( const TQMimeSource* e, TQStringList& i );
private:
#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
TQUriDrag( const TQUriDrag & );
TQUriDrag &operator=( const TQUriDrag & );
#endif
};
class Q_EXPORT TQColorDrag : public TQStoredDrag
{
Q_OBJECT
TQColor color;
public:
TQColorDrag( const TQColor &col, TQWidget *dragsource = 0, const char *name = 0 );
TQColorDrag( TQWidget * dragSource = 0, const char * name = 0 );
void setColor( const TQColor &col );
static bool canDecode( TQMimeSource * );
static bool decode( TQMimeSource *, TQColor &col );
private:
#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
TQColorDrag( const TQColorDrag & );
TQColorDrag &operator=( const TQColorDrag & );
#endif
};
#ifndef QT_NO_COMPAT
typedef TQUriDrag TQUrlDrag;
#endif
#ifndef QT_NO_DRAGANDDROP
// TQDragManager 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 TQDragManager: public TQObject {
Q_OBJECT
private:
TQDragManager();
~TQDragManager();
// only friend classes can use TQDragManager.
friend class TQDragObject;
friend class TQDragMoveEvent;
friend class TQDropEvent;
friend class TQApplication;
bool eventFilter( TQObject *, TQEvent * );
void timerEvent( TQTimerEvent* );
bool drag( TQDragObject *, TQDragObject::DragMode );
void cancel( bool deleteSource = TRUE );
void move( const TQPoint & );
void drop();
void updatePixmap();
private:
TQDragObject * object;
void updateMode( ButtonState newstate );
void updateCursor();
#if defined(Q_WS_X11)
void createCursors();
#endif
TQWidget * dragSource;
TQWidget * dropWidget;
bool beingCancelled;
bool restoreCursor;
bool willDrop;
TQPixmap *pm_cursor;
int n_cursor;
#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
TQDragManager( const TQDragManager & );
TQDragManager &operator=( const TQDragManager & );
#endif
};
#endif
#endif // QT_NO_MIME
#endif // TQDRAGOBJECT_H
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