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1///////////////////////////////////////////////////////////////////////////////
2// Name: msw/ole/dataform.h
3// Purpose: declaration of the wxDataFormat class
4// Author: Vadim Zeitlin
5// Modified by:
6// Created: 19.10.99 (extracted from msw/ole/dataobj.h)
7// RCS-ID: $Id$
8// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
9// Licence: wxWindows licence
10///////////////////////////////////////////////////////////////////////////////
11
12#ifndef _WX_MSW_OLE_DATAFORM_H
13#define _WX_MSW_OLE_DATAFORM_H
14
15// ----------------------------------------------------------------------------
16// wxDataFormat identifies the single format of data
17// ----------------------------------------------------------------------------
18
19class WXDLLEXPORT wxDataFormat
20{
21public:
33ac7e6f 22 // the clipboard formats under Win32 are WORD's
3922ecc9 23 typedef unsigned short NativeFormat;
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24
25 wxDataFormat(NativeFormat format = wxDF_INVALID) { m_format = format; }
26 wxDataFormat(const wxChar *format) { SetId(format); }
27
28 wxDataFormat& operator=(NativeFormat format)
29 { m_format = format; return *this; }
30 wxDataFormat& operator=(const wxDataFormat& format)
31 { m_format = format.m_format; return *this; }
32
33 // default copy ctor/assignment operators ok
34
35 // comparison (must have both versions)
36 bool operator==(wxDataFormatId format) const
37 { return m_format == (NativeFormat)format; }
38 bool operator!=(wxDataFormatId format) const
39 { return m_format != (NativeFormat)format; }
40 bool operator==(const wxDataFormat& format) const
41 { return m_format == format.m_format; }
42 bool operator!=(const wxDataFormat& format) const
43 { return m_format != format.m_format; }
44
45 // explicit and implicit conversions to NativeFormat which is one of
46 // standard data types (implicit conversion is useful for preserving the
47 // compatibility with old code)
48 NativeFormat GetFormatId() const { return m_format; }
49 operator NativeFormat() const { return m_format; }
50
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51 // this works with standard as well as custom ids
52 void SetType(NativeFormat format) { m_format = format; }
53 NativeFormat GetType() const { return m_format; }
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54
55 // string ids are used for custom types - this SetId() must be used for
56 // application-specific formats
57 wxString GetId() const;
58 void SetId(const wxChar *format);
59
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60 // returns TRUE if the format is one of those defined in wxDataFormatId
61 bool IsStandard() const { return m_format > 0 && m_format < wxDF_MAX; }
62
3922ecc9 63private:
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64 NativeFormat m_format;
65};
66
67#endif // _WX_MSW_OLE_DATAFORM_H
68