wxDataObejct and related changes (won't compile right now)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4089 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk1/dataform.h

@@ -0,0 +1,60 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        gtk/dataform.h
+// Purpose:     declaration of the wxDataFormat class
+// Author:      Vadim Zeitlin
+// Modified by:
+// Created:     19.10.99 (extracted from gtk/dataobj.h)
+// RCS-ID:      $Id$
+// Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_GTK_DATAFORM_H
+#define _WX_GTK_DATAFORM_H
+
+class wxDataFormat
+{
+public:
+    // the clipboard formats under GDK are GdkAtoms
+    typedef GdkAtom NativeFormat;
+
+    wxDataFormat();
+    wxDataFormat( wxDataFormatId type );
+    wxDataFormat( const wxString &id );
+    wxDataFormat( const wxChar *id );
+    wxDataFormat( NativeFormat format );
+
+    wxDataFormat& operator=(NativeFormat format)
+        { SetId(format); return *this; }
+
+    // comparison (must have both versions)
+    bool operator==(NativeFormat format) const
+        { return m_format == (NativeFormat)format; }
+    bool operator!=(NativeFormat format) const
+        { return m_format != (NativeFormat)format; }
+
+    // explicit and implicit conversions to NativeFormat which is one of
+    // standard data types (implicit conversion is useful for preserving the
+    // compatibility with old code)
+    NativeFormat GetFormatId() const { return m_format; }
+    operator NativeFormat() const { return m_format; }
+
+    void SetId( NativeFormat format );
+
+    // string ids are used for custom types - this SetId() must be used for
+    // application-specific formats
+    wxString GetId() const;
+    void SetId( const wxChar *id );
+
+    // implementation
+    wxDataFormatId GetType() const;
+
+private:
+    wxDataFormatId   m_type;
+    NativeFormat     m_format;
+
+    void PrepareFormats();
+    void SetType( wxDataFormatId type );
+};
+
+#endif // _WX_GTK_DATAFORM_H