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///////////////////////////////////////////////////////////////////////////////
// Name: wx/mac/classic/dnd.h
// Purpose: Declaration of the wxDropTarget, wxDropSource class etc.
// Author: Stefan Csomor
// RCS-ID: $Id: dnd.h 42077 2006-10-17 14:44:52Z ABX $
// Copyright: (c) 1998 Stefan Csomor
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_DND_H_
#define _WX_DND_H_
#if wxUSE_DRAG_AND_DROP
#include "wx/defs.h"
#include "wx/object.h"
#include "wx/string.h"
#include "wx/string.h"
#include "wx/dataobj.h"
#include "wx/cursor.h"
//-------------------------------------------------------------------------
// classes
//-------------------------------------------------------------------------
class WXDLLEXPORT wxWindow;
class WXDLLEXPORT wxDropTarget;
class WXDLLEXPORT wxTextDropTarget;
class WXDLLEXPORT wxFileDropTarget;
class WXDLLEXPORT wxDropSource;
// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------
// this macro may be used instead for wxDropSource ctor arguments: it will use
// the icon 'name' from an XPM file under GTK, but will expand to something
// else under MSW. If you don't use it, you will have to use #ifdef in the
// application code.
#define wxDROP_ICON(X) wxCursor( (const char**) X##_xpm )
//-------------------------------------------------------------------------
// wxDropTarget
//-------------------------------------------------------------------------
class WXDLLEXPORT wxDropTarget: public wxDropTargetBase
{
public:
wxDropTarget(wxDataObject *dataObject = (wxDataObject*) NULL );
virtual wxDragResult OnDragOver(wxCoord x, wxCoord y, wxDragResult def);
virtual bool OnDrop(wxCoord x, wxCoord y);
virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult def);
virtual bool GetData();
bool CurrentDragHasSupportedFormat() ;
void SetCurrentDrag( void* drag ) { m_currentDrag = drag ; }
void* GetCurrentDrag() { return m_currentDrag ; }
protected :
void* m_currentDrag ;
};
//-------------------------------------------------------------------------
// wxDropSource
//-------------------------------------------------------------------------
class WXDLLEXPORT wxDropSource: public wxDropSourceBase
{
public:
// ctors: if you use default ctor you must call SetData() later!
//
// NB: the "wxWindow *win" parameter is unused and is here only for wxGTK
// compatibility, as well as both icon parameters
wxDropSource( wxWindow *win = (wxWindow *)NULL,
const wxCursor &cursorCopy = wxNullCursor,
const wxCursor &cursorMove = wxNullCursor,
const wxCursor &cursorStop = wxNullCursor);
/* constructor for setting one data object */
wxDropSource( wxDataObject& data,
wxWindow *win,
const wxCursor &cursorCopy = wxNullCursor,
const wxCursor &cursorMove = wxNullCursor,
const wxCursor &cursorStop = wxNullCursor);
virtual ~wxDropSource();
// do it (call this in response to a mouse button press, for example)
// params: if bAllowMove is false, data can be only copied
virtual wxDragResult DoDragDrop(int flags = wxDrag_CopyOnly);
wxWindow* GetWindow() { return m_window ; }
void SetCurrentDrag( void* drag ) { m_currentDrag = drag ; }
void* GetCurrentDrag() { return m_currentDrag ; }
bool MacInstallDefaultCursor(wxDragResult effect) ;
protected :
wxWindow *m_window;
void* m_currentDrag ;
};
#endif // wxUSE_DRAG_AND_DROP
#endif
//_WX_DND_H_
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