include/wx/os2/dataform.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        os2/dataform.h
   3 // Purpose:     declaration of the wxDataFormat class
   4 // Author:      David Webster (lifted from dnd.h)
   5 // Modified by:
   6 // Created:     10/21/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1999 David Webster
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_OS2_DATAFORM_H
  13 #define _WX_OS2_DATAFORM_H
  14
  15 class wxDataFormat
  16 {
  17 public:
  18     // the clipboard formats under GDK are GdkAtoms
  19     typedef unsigned short NativeFormat;
  20
  21     wxDataFormat();
  22     wxDataFormat(wxDataFormatId vType);
  23     wxDataFormat(const wxString& rId);
  24     wxDataFormat(const wxChar* pId);
  25     wxDataFormat(NativeFormat vFormat);
  26
  27     wxDataFormat& operator=(NativeFormat vFormat)
  28         { SetId(vFormat); return *this; }
  29
  30     // comparison (must have both versions)
  31     bool operator==(NativeFormat vFormat) const
  32         { return m_vFormat == (NativeFormat)vFormat; }
  33     bool operator!=(NativeFormat vFormat) const
  34         { return m_vFormat != (NativeFormat)vFormat; }
  35
  36     // explicit and implicit conversions to NativeFormat which is one of
  37     // standard data types (implicit conversion is useful for preserving the
  38     // compatibility with old code)
  39     NativeFormat GetFormatId() const { return m_vFormat; }
  40     operator NativeFormat() const { return m_vFormat; }
  41
  42     void SetId(NativeFormat vFormat);
  43
  44     // string ids are used for custom types - this SetId() must be used for
  45     // application-specific formats
  46     wxString GetId() const;
  47     void SetId(const wxChar* pId);
  48
  49     // implementation
  50     wxDataFormatId GetType() const;
  51
  52 private:
  53     wxDataFormatId                  m_vType;
  54     NativeFormat                    m_vFormat;
  55
  56     void PrepareFormats();
  57     void SetType(wxDataFormatId vType);
  58 };
  59
  60 #endif // _WX_GTK_DATAFORM_H