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[wxWidgets.git] / include / wx / os2 / dnd.h
1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: dnd.h
3 // Purpose: declaration of the wxDropTarget class
4 // Author: David Webster
5 // Modified by:
6 // Created: 10/21/99
7 // RCS-ID: $Id$
8 // Copyright: (c) 1999 David Webster
9 // Licence: wxWindows license
10 ///////////////////////////////////////////////////////////////////////////////
11
12
13 #ifndef __OS2DNDH__
14 #define __OS2DNDH__
15
16 #if !wxUSE_DRAG_AND_DROP
17 #error "You should #define wxUSE_DRAG_AND_DROP to 1 to compile this file!"
18 #endif //WX_DRAG_DROP
19
20 #define INCL_WINSTDDRAG
21 #include <os2.h>
22 #ifndef __EMX__
23 #include <pmstddlg.h>
24 #endif
25
26 //-------------------------------------------------------------------------
27 // wxDropSource
28 //-------------------------------------------------------------------------
29
30 class WXDLLEXPORT wxDropSource: public wxDropSourceBase
31 {
32 public:
33 /* constructor. set data later with SetData() */
34 wxDropSource(wxWindow* pWin);
35
36 /* constructor for setting one data object */
37 wxDropSource( wxDataObject& rData,
38 wxWindow* pWin
39 );
40 virtual ~wxDropSource();
41
42 /* start drag action */
43 virtual wxDragResult DoDragDrop(bool bAllowMove = FALSE);
44
45 protected:
46 void Init(void);
47 bool m_bLazyDrag;
48
49 DRAGIMAGE* m_pDragImage;
50 DRAGINFO* m_pDragInfo;
51 DRAGTRANSFER* m_pDragTransfer;
52 };
53
54 //-------------------------------------------------------------------------
55 // wxDropTarget
56 //-------------------------------------------------------------------------
57
58 class WXDLLEXPORT wxDropTarget: public wxDropTargetBase
59 {
60 public:
61 wxDropTarget(wxDataObject *dataObject = (wxDataObject*)NULL);
62 virtual ~wxDropTarget();
63
64 void Register(WXHWND hwnd);
65 void Revoke(WXHWND hwnd);
66
67 virtual wxDragResult OnDragOver(wxCoord x, wxCoord y, wxDragResult def);
68 virtual bool OnDrop(wxCoord x, wxCoord y);
69 virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult vResult);
70 virtual bool GetData();
71
72 // implementation
73 protected:
74 virtual bool IsAcceptable(DRAGINFO* pInfo);
75
76 DRAGINFO* m_pDragInfo;
77 DRAGTRANSFER* m_pDragTransfer;
78 };
79
80 #endif //__OS2DNDH__
81