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1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: wx/msw/ole/dataobj2.h
3 // Purpose: second part of platform specific wxDataObject header -
4 // declarations of predefined wxDataObjectSimple-derived classes
5 // Author: Vadim Zeitlin
6 // Modified by:
7 // Created: 21.10.99
8 // RCS-ID: $Id$
9 // Copyright: (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
10 // Licence: wxWindows licence
11 ///////////////////////////////////////////////////////////////////////////////
12
13 #ifndef _WX_MSW_OLE_DATAOBJ2_H
14 #define _WX_MSW_OLE_DATAOBJ2_H
15
16 // ----------------------------------------------------------------------------
17 // wxBitmapDataObject is a specialization of wxDataObject for bitmap data
18 //
19 // NB: in fact, under MSW we support CF_DIB (and not CF_BITMAP) clipboard
20 // format and we also provide wxBitmapDataObject2 for CF_BITMAP (which is
21 // rarely used). This is ugly, but I haven't found a solution for it yet.
22 // ----------------------------------------------------------------------------
23
24 class WXDLLEXPORT wxBitmapDataObject : public wxBitmapDataObjectBase
25 {
26 public:
27 // ctors
28 wxBitmapDataObject(const wxBitmap& bitmap = wxNullBitmap)
29 : wxBitmapDataObjectBase(bitmap)
30 {
31 SetFormat(wxDF_DIB);
32
33 m_data = NULL;
34 }
35
36 // implement base class pure virtuals
37 virtual size_t GetDataSize() const;
38 virtual bool GetDataHere(void *buf) const;
39 virtual bool SetData(size_t len, const void *buf);
40
41 private:
42 // the DIB data
43 void /* BITMAPINFO */ *m_data;
44
45 DECLARE_NO_COPY_CLASS(wxBitmapDataObject)
46 };
47
48 // ----------------------------------------------------------------------------
49 // wxBitmapDataObject2 - a data object for CF_BITMAP
50 //
51 // FIXME did I already mention it was ugly?
52 // ----------------------------------------------------------------------------
53
54 class WXDLLEXPORT wxBitmapDataObject2 : public wxBitmapDataObjectBase
55 {
56 public:
57 // ctors
58 wxBitmapDataObject2(const wxBitmap& bitmap = wxNullBitmap)
59 : wxBitmapDataObjectBase(bitmap)
60 {
61 }
62
63 // implement base class pure virtuals
64 virtual size_t GetDataSize() const;
65 virtual bool GetDataHere(void *buf) const;
66 virtual bool SetData(size_t len, const void *buf);
67
68 private:
69 DECLARE_NO_COPY_CLASS(wxBitmapDataObject2)
70 };
71
72 // ----------------------------------------------------------------------------
73 // wxFileDataObject - data object for CF_HDROP
74 // ----------------------------------------------------------------------------
75
76 class WXDLLEXPORT wxFileDataObject : public wxFileDataObjectBase
77 {
78 public:
79 wxFileDataObject() { }
80
81 // implement base class pure virtuals
82 virtual bool SetData(size_t len, const void *buf);
83 virtual size_t GetDataSize() const;
84 virtual bool GetDataHere(void *pData) const;
85 virtual void AddFile(const wxString& file);
86
87 private:
88 DECLARE_NO_COPY_CLASS(wxFileDataObject)
89 };
90
91 // ----------------------------------------------------------------------------
92 // wxURLDataObject: data object for URLs
93 // ----------------------------------------------------------------------------
94
95 class WXDLLEXPORT wxURLDataObject : public wxDataObjectComposite
96 {
97 public:
98 wxURLDataObject();
99
100 // return the URL as string
101 wxString GetURL() const;
102
103 // Set a string as the URL in the data object
104 void SetURL(const wxString& url);
105
106 // override to set m_textFormat
107 virtual bool SetData(const wxDataFormat& format,
108 size_t len,
109 const void *buf);
110
111 private:
112 // last data object we got data in
113 wxDataObjectSimple *m_dataObjectLast;
114
115 DECLARE_NO_COPY_CLASS(wxURLDataObject)
116 };
117
118 #endif // _WX_MSW_OLE_DATAOBJ2_H