include/wx/gtk1/dataform.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/gtk1/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( const wxString &id );
  24     wxDataFormat( NativeFormat format );
  25
  26     wxDataFormat& operator=(const wxDataFormat& format)
  27         { m_type = format.m_type; m_format = format.m_format; return *this; }
  28     wxDataFormat& operator=(NativeFormat format)
  29         { SetId(format); return *this; }
  30
  31     // comparison (must have both versions)
  32     bool operator==(NativeFormat format) const
  33         { return m_format == (NativeFormat)format; }
  34     bool operator!=(NativeFormat format) const
  35         { return m_format != (NativeFormat)format; }
  36     bool operator==(wxDataFormatId format) const
  37         { return m_type == (wxDataFormatId)format; }
  38     bool operator!=(wxDataFormatId format) const
  39         { return m_type != (wxDataFormatId)format; }
  40
  41     // explicit and implicit conversions to NativeFormat which is one of
  42     // standard data types (implicit conversion is useful for preserving the
  43     // compatibility with old code)
  44     NativeFormat GetFormatId() const { return m_format; }
  45     operator NativeFormat() const { return m_format; }
  46
  47     void SetId( NativeFormat format );
  48
  49     // string ids are used for custom types - this SetId() must be used for
  50     // application-specific formats
  51     wxString GetId() const;
  52     void SetId( const wxString& id );
  53
  54     // implementation
  55     wxDataFormatId GetType() const;
  56     void SetType( wxDataFormatId type );
  57
  58 private:
  59     wxDataFormatId   m_type;
  60     NativeFormat     m_format;
  61
  62     void PrepareFormats();
  63 };
  64
  65 #endif // _WX_GTK_DATAFORM_H