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1 | /////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: wx/mac/carbon/dnd.h | |
3 | // Purpose: Declaration of the wxDropTarget, wxDropSource class etc. | |
4 | // Author: Stefan Csomor | |
5 | // RCS-ID: $Id$ | |
6 | // Copyright: (c) 1998 Stefan Csomor | |
7 | // Licence: wxWindows licence | |
8 | /////////////////////////////////////////////////////////////////////////////// | |
9 | ||
10 | #ifndef _WX_DND_H_ | |
11 | #define _WX_DND_H_ | |
12 | ||
13 | #if wxUSE_DRAG_AND_DROP | |
14 | ||
15 | #include "wx/defs.h" | |
16 | #include "wx/object.h" | |
17 | #include "wx/string.h" | |
18 | #include "wx/string.h" | |
19 | #include "wx/dataobj.h" | |
20 | #include "wx/cursor.h" | |
21 | ||
22 | //------------------------------------------------------------------------- | |
23 | // classes | |
24 | //------------------------------------------------------------------------- | |
25 | ||
26 | class WXDLLIMPEXP_FWD_CORE wxWindow; | |
27 | ||
28 | class WXDLLIMPEXP_FWD_CORE wxDropTarget; | |
29 | class WXDLLIMPEXP_FWD_CORE wxTextDropTarget; | |
30 | class WXDLLIMPEXP_FWD_CORE wxFileDropTarget; | |
31 | ||
32 | class WXDLLIMPEXP_FWD_CORE wxDropSource; | |
33 | ||
34 | // ---------------------------------------------------------------------------- | |
35 | // macros | |
36 | // ---------------------------------------------------------------------------- | |
37 | ||
38 | // this macro may be used instead for wxDropSource ctor arguments: it will use | |
39 | // the icon 'name' from an XPM file under GTK, but will expand to something | |
40 | // else under MSW. If you don't use it, you will have to use #ifdef in the | |
41 | // application code. | |
42 | #define wxDROP_ICON(X) wxCursor(X##_xpm) | |
43 | ||
44 | //------------------------------------------------------------------------- | |
45 | // wxDropTarget | |
46 | //------------------------------------------------------------------------- | |
47 | ||
48 | class WXDLLIMPEXP_CORE wxDropTarget: public wxDropTargetBase | |
49 | { | |
50 | public: | |
51 | ||
52 | wxDropTarget(wxDataObject *dataObject = NULL ); | |
53 | ||
54 | virtual wxDragResult OnDragOver(wxCoord x, wxCoord y, wxDragResult def); | |
55 | virtual bool OnDrop(wxCoord x, wxCoord y); | |
56 | virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult def); | |
57 | virtual bool GetData(); | |
58 | ||
59 | bool CurrentDragHasSupportedFormat() ; | |
60 | void SetCurrentDrag( void* drag ) { m_currentDrag = drag ; } | |
61 | void* GetCurrentDrag() { return m_currentDrag ; } | |
62 | protected : | |
63 | void* m_currentDrag ; | |
64 | }; | |
65 | ||
66 | //------------------------------------------------------------------------- | |
67 | // wxDropSource | |
68 | //------------------------------------------------------------------------- | |
69 | ||
70 | class WXDLLIMPEXP_CORE wxDropSource: public wxDropSourceBase | |
71 | { | |
72 | public: | |
73 | // ctors: if you use default ctor you must call SetData() later! | |
74 | // | |
75 | // NB: the "wxWindow *win" parameter is unused and is here only for wxGTK | |
76 | // compatibility, as well as both icon parameters | |
77 | wxDropSource( wxWindow *win = NULL, | |
78 | const wxCursor &cursorCopy = wxNullCursor, | |
79 | const wxCursor &cursorMove = wxNullCursor, | |
80 | const wxCursor &cursorStop = wxNullCursor); | |
81 | ||
82 | /* constructor for setting one data object */ | |
83 | wxDropSource( wxDataObject& data, | |
84 | wxWindow *win, | |
85 | const wxCursor &cursorCopy = wxNullCursor, | |
86 | const wxCursor &cursorMove = wxNullCursor, | |
87 | const wxCursor &cursorStop = wxNullCursor); | |
88 | ||
89 | virtual ~wxDropSource(); | |
90 | ||
91 | // do it (call this in response to a mouse button press, for example) | |
92 | // params: if bAllowMove is false, data can be only copied | |
93 | virtual wxDragResult DoDragDrop(int flags = wxDrag_CopyOnly); | |
94 | ||
95 | wxWindow* GetWindow() { return m_window ; } | |
96 | void SetCurrentDrag( void* drag ) { m_currentDrag = drag ; } | |
97 | void* GetCurrentDrag() { return m_currentDrag ; } | |
98 | bool MacInstallDefaultCursor(wxDragResult effect) ; | |
99 | protected : | |
100 | ||
101 | wxWindow *m_window; | |
102 | void* m_currentDrag ; | |
103 | }; | |
104 | ||
105 | #endif // wxUSE_DRAG_AND_DROP | |
106 | ||
107 | #endif | |
108 | //_WX_DND_H_ |