include/wx/x11/dataform.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/x11/dataform.h
   3 // Purpose:     declaration of the wxDataFormat class
   4 // Author:      Robert Roebling
   5 // Modified by:
   6 // Created:     19.10.99 (extracted from motif/dataobj.h)
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1999 Robert Roebling
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_X11_DATAFORM_H
  13 #define _WX_X11_DATAFORM_H
  14
  15 class WXDLLIMPEXP_CORE wxDataFormat
  16 {
  17 public:
  18     // the clipboard formats under Xt are Atoms
  19     typedef Atom NativeFormat;
  20
  21     wxDataFormat();
  22     wxDataFormat( wxDataFormatId type );
  23     wxDataFormat( const wxString &id );
  24     wxDataFormat( NativeFormat format );
  25
  26     wxDataFormat& operator=(NativeFormat format)
  27         { SetId(format); return *this; }
  28
  29     // comparison (must have both versions)
  30     bool operator==(NativeFormat format) const
  31         { return m_format == (NativeFormat)format; }
  32     bool operator!=(NativeFormat format) const
  33         { return m_format != (NativeFormat)format; }
  34     bool operator==(wxDataFormatId format) const
  35         { return m_type == (wxDataFormatId)format; }
  36     bool operator!=(wxDataFormatId format) const
  37         { return m_type != (wxDataFormatId)format; }
  38
  39     // explicit and implicit conversions to NativeFormat which is one of
  40     // standard data types (implicit conversion is useful for preserving the
  41     // compatibility with old code)
  42     NativeFormat GetFormatId() const { return m_format; }
  43     operator NativeFormat() const { return m_format; }
  44
  45     void SetId( NativeFormat format );
  46
  47     // string ids are used for custom types - this SetId() must be used for
  48     // application-specific formats
  49     wxString GetId() const;
  50     void SetId( const wxString& id );
  51
  52     // implementation
  53     wxDataFormatId GetType() const;
  54
  55 private:
  56     wxDataFormatId   m_type;
  57     NativeFormat     m_format;
  58
  59     void PrepareFormats();
  60     void SetType( wxDataFormatId type );
  61 };
  62
  63
  64 #endif // _WX_X11_DATAFORM_H
  65