Allow returning NULL windows from GetCompositeWindowParts().

[wxWidgets.git] / include / wx / osx / dataform.h

diff --git a/include/wx/osx/dataform.h b/include/wx/osx/dataform.h
index b0c0bd7ba27539d07855da9221a65fcbac4535bd..e7a3d5d58a2f4d925c505e3278bda79f59c25d62 100644 (file)
--- a/include/wx/osx/dataform.h
+++ b/include/wx/osx/dataform.h
@@ -1,5 +1,69 @@
-#ifdef __WXMAC_CLASSIC__
-#include "wx/osx/classic/dataform.h"
-#else
-#include "wx/osx/carbon/dataform.h"
-#endif
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/osx/dataform.h
+// Purpose:     declaration of the wxDataFormat class
+// Author:      Stefan Csomor (lifted from dnd.h)
+// Modified by:
+// Created:     10/21/99
+// RCS-ID:      $Id$
+// Copyright:   (c) 1999 Stefan Csomor
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_MAC_DATAFORM_H
+#define _WX_MAC_DATAFORM_H
+
+class WXDLLIMPEXP_CORE wxDataFormat
+{
+public:
+    typedef unsigned long NativeFormat;
+
+    wxDataFormat();
+    wxDataFormat(wxDataFormatId vType);
+    wxDataFormat(const wxDataFormat& rFormat);
+    wxDataFormat(const wxString& rId);
+    wxDataFormat(const wxChar* pId);
+    wxDataFormat(NativeFormat vFormat);
+    ~wxDataFormat();
+
+    wxDataFormat& operator=(NativeFormat vFormat)
+        { SetId(vFormat); return *this; }
+
+    // comparison (must have both versions)
+    bool operator==(const wxDataFormat& format) const ;
+    bool operator!=(const wxDataFormat& format) const
+        { return ! ( *this == format ); }
+    bool operator==(wxDataFormatId format) const
+        { return m_type == (wxDataFormatId)format; }
+    bool operator!=(wxDataFormatId format) const
+        { return m_type != (wxDataFormatId)format; }
+
+    wxDataFormat& operator=(const wxDataFormat& 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 wxString& pId);
+
+    // implementation
+    wxDataFormatId GetType() const { return m_type; }
+    void SetType( wxDataFormatId type );
+
+    // returns true if the format is one of those defined in wxDataFormatId
+    bool IsStandard() const { return m_type > 0 && m_type < wxDF_PRIVATE; }
+
+private:
+    wxDataFormatId   m_type;
+    NativeFormat     m_format;
+    // indicates the type in case of wxDF_PRIVATE :
+    wxString         m_id ;
+};
+
+#endif // _WX_MAC_DATAFORM_H