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dnd.h
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2002-05-05
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///////////////////////////////////////////////////////////////////////////////
// Name: dnd.h
// Purpose: declaration of the wxDropTarget class
// Author: David Webster
// Modified by:
// Created: 10/21/99
// RCS-ID: $Id: DND.H,v 1.11 2002/04/28 14:30:53 VZ Exp $
// Copyright: (c) 1999 David Webster
// Licence: wxWindows license
///////////////////////////////////////////////////////////////////////////////
#ifndef __OS2DNDH__
#define __OS2DNDH__
#if !wxUSE_DRAG_AND_DROP
#error "You should #define wxUSE_DRAG_AND_DROP to 1 to compile this file!"
#endif //WX_DRAG_DROP
#define INCL_WINSTDDRAG
#include <os2.h>
#ifndef __EMX__
#include <pmstddlg.h>
#endif
//-------------------------------------------------------------------------
// wxDropSource
//-------------------------------------------------------------------------
class WXDLLEXPORT wxDropSource: public wxDropSourceBase
{
public:
/* constructor. set data later with SetData() */
wxDropSource(wxWindow* pWin);
/* constructor for setting one data object */
wxDropSource( wxDataObject& rData,
wxWindow* pWin
);
virtual ~wxDropSource();
/* start drag action */
virtual wxDragResult DoDragDrop(int flags = wxDrag_CopyOnly);
protected:
void Init(void);
bool m_bLazyDrag;
DRAGIMAGE* m_pDragImage;
DRAGINFO* m_pDragInfo;
DRAGTRANSFER* m_pDragTransfer;
};
//-------------------------------------------------------------------------
// wxDropTarget
//-------------------------------------------------------------------------
class WXDLLEXPORT wxDropTarget: public wxDropTargetBase
{
public:
wxDropTarget(wxDataObject *dataObject = (wxDataObject*)NULL);
virtual ~wxDropTarget();
void Register(WXHWND hwnd);
void Revoke(WXHWND hwnd);
virtual wxDragResult OnDragOver(wxCoord x, wxCoord y, wxDragResult def);
virtual bool OnDrop(wxCoord x, wxCoord y);
virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult vResult);
virtual bool GetData();
// implementation
protected:
virtual bool IsAcceptable(DRAGINFO* pInfo);
DRAGINFO* m_pDragInfo;
DRAGTRANSFER* m_pDragTransfer;
};
#endif //__OS2DNDH__