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Remove pizza backing window.
[wxWidgets.git] / include / wx / gtk / dataform.h
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: $Id$
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
15 class WXDLLIMPEXP_CORE wxDataFormat
16 {
17 public:
18 // the clipboard formats under GDK are GdkAtoms
19 typedef GdkAtom NativeFormat;
20
21 wxDataFormat();
22 wxDataFormat( wxDataFormatId type );
23 wxDataFormat( NativeFormat format );
24
25 // we have to provide all the overloads to allow using strings instead of
26 // data formats (as a lot of existing code does)
27 wxDataFormat( const wxString& id ) { InitFromString(id); }
28 wxDataFormat( const char *id ) { InitFromString(id); }
29 wxDataFormat( const wchar_t *id ) { InitFromString(id); }
30 wxDataFormat( const wxCStrData& id ) { InitFromString(id); }
31
32 wxDataFormat& operator=(const wxDataFormat& format)
33 {
34 if (&format != this)
35 {
36 m_type = format.m_type;
37 m_format = format.m_format;
38 }
39 return *this;
40 }
41 wxDataFormat& operator=(NativeFormat format)
42 { SetId(format); return *this; }
43
44 // comparison (must have both versions)
45 bool operator==(NativeFormat format) const
46 { return m_format == (NativeFormat)format; }
47 bool operator!=(NativeFormat format) const
48 { return m_format != (NativeFormat)format; }
49 bool operator==(wxDataFormatId format) const
50 { return m_type == (wxDataFormatId)format; }
51 bool operator!=(wxDataFormatId format) const
52 { return m_type != (wxDataFormatId)format; }
53
54 // explicit and implicit conversions to NativeFormat which is one of
55 // standard data types (implicit conversion is useful for preserving the
56 // compatibility with old code)
57 NativeFormat GetFormatId() const { return m_format; }
58 operator NativeFormat() const { return m_format; }
59
60 void SetId( NativeFormat format );
61
62 // string ids are used for custom types - this SetId() must be used for
63 // application-specific formats
64 wxString GetId() const;
65 void SetId( const wxString& id );
66
67 // implementation
68 wxDataFormatId GetType() const;
69 void SetType( wxDataFormatId type );
70
71 private:
72 // common part of ctors from format name
73 void InitFromString(const wxString& id);
74
75 wxDataFormatId m_type;
76 NativeFormat m_format;
77
78 void PrepareFormats();
79 };
80
81 #endif // _WX_GTK_DATAFORM_H