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[wxWidgets.git] / include / wx / mac / carbon / dataform.h
1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: mac/dataform.h
3 // Purpose: declaration of the wxDataFormat class
4 // Author: Stefan Csomor (lifted from dnd.h)
5 // Modified by:
6 // Created: 10/21/99
7 // RCS-ID: $Id$
8 // Copyright: (c) 1999 Stefan Csomor
9 // Licence: wxWindows licence
10 ///////////////////////////////////////////////////////////////////////////////
11
12 #ifndef _WX_MAC_DATAFORM_H
13 #define _WX_MAC_DATAFORM_H
14
15 class WXDLLEXPORT wxDataFormat
16 {
17 public:
18 typedef unsigned long NativeFormat;
19
20 wxDataFormat();
21 wxDataFormat(wxDataFormatId vType);
22 wxDataFormat(const wxString& rId);
23 wxDataFormat(NativeFormat vFormat);
24
25 wxDataFormat& operator=(NativeFormat vFormat)
26 { SetId(vFormat); return *this; }
27
28 // comparison (must have both versions)
29 bool operator==(const wxDataFormat& format) const ;
30 bool operator!=(const wxDataFormat& format) const
31 { return ! ( *this == format ); }
32 bool operator==(wxDataFormatId format) const
33 { return m_type == (wxDataFormatId)format; }
34 bool operator!=(wxDataFormatId format) const
35 { return m_type != (wxDataFormatId)format; }
36
37 // explicit and implicit conversions to NativeFormat which is one of
38 // standard data types (implicit conversion is useful for preserving the
39 // compatibility with old code)
40 NativeFormat GetFormatId() const { return m_format; }
41 operator NativeFormat() const { return m_format; }
42
43 void SetId(NativeFormat format);
44
45 // string ids are used for custom types - this SetId() must be used for
46 // application-specific formats
47 wxString GetId() const;
48 void SetId(const wxString& pId);
49
50 // implementation
51 wxDataFormatId GetType() const { return m_type; }
52 void SetType( wxDataFormatId type );
53
54 // returns true if the format is one of those defined in wxDataFormatId
55 bool IsStandard() const { return m_type > 0 && m_type < wxDF_PRIVATE; }
56
57 private:
58 wxDataFormatId m_type;
59 NativeFormat m_format;
60 // indicates the type in case of wxDF_PRIVATE :
61 wxString m_id ;
62 };
63
64 #endif // _WX_MAC_DATAFORM_H