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