1///////////////////////////////////////////////////////////////////////////////
2// Name:        gtk/dataform.h
3// Purpose:     declaration of the wxDataFormat class
4// Author:      Vadim Zeitlin
5// Modified by:
6// Created:     19.10.99 (extracted from gtk/dataobj.h)
7// RCS-ID:      $Id: dataform.h 35055 2005-08-02 22:58:06Z MW $
8// Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
9// Licence:     wxWindows licence
10///////////////////////////////////////////////////////////////////////////////
11
12#ifndef _WX_GTK_DATAFORM_H
13#define _WX_GTK_DATAFORM_H
14
15class WXDLLIMPEXP_CORE wxDataFormat
16{
17public:
18    // the clipboard formats under GDK are GdkAtoms
19    typedef GdkAtom NativeFormat;
20
21    wxDataFormat();
22    wxDataFormat( wxDataFormatId type );
23    wxDataFormat( const wxString &id );
24    wxDataFormat( const wxChar *id );
25    wxDataFormat( NativeFormat format );
26
27    wxDataFormat& operator=(const wxDataFormat& format)
28        { m_type = format.m_type; m_format = format.m_format; return *this; }
29    wxDataFormat& operator=(NativeFormat format)
30        { SetId(format); return *this; }
31
32    // comparison (must have both versions)
33    bool operator==(NativeFormat format) const
34        { return m_format == (NativeFormat)format; }
35    bool operator!=(NativeFormat format) const
36        { return m_format != (NativeFormat)format; }
37    bool operator==(wxDataFormatId format) const
38        { return m_type == (wxDataFormatId)format; }
39    bool operator!=(wxDataFormatId format) const
40        { return m_type != (wxDataFormatId)format; }
41
42    // explicit and implicit conversions to NativeFormat which is one of
43    // standard data types (implicit conversion is useful for preserving the
44    // compatibility with old code)
45    NativeFormat GetFormatId() const { return m_format; }
46    operator NativeFormat() const { return m_format; }
47
48    void SetId( NativeFormat format );
49
50    // string ids are used for custom types - this SetId() must be used for
51    // application-specific formats
52    wxString GetId() const;
53    void SetId( const wxChar *id );
54
55    // implementation
56    wxDataFormatId GetType() const;
57    void SetType( wxDataFormatId type );
58
59private:
60    wxDataFormatId   m_type;
61    NativeFormat     m_format;
62
63    void PrepareFormats();
64};
65
66#endif // _WX_GTK_DATAFORM_H
67