Forbid setting hints for multi-line text controls.

[wxWidgets.git] / include / wx / dataobj.h

diff --git a/include/wx/dataobj.h b/include/wx/dataobj.h
index 7eb724f3957ee00e569910269e1e7c3997c89182..8832aad706b8b6d73bdd2eb8331c671475636339 100644 (file)
--- a/include/wx/dataobj.h
+++ b/include/wx/dataobj.h
@@ -274,11 +274,17 @@ public:
     void Add(wxDataObjectSimple *dataObject, bool preferred = false);
 
     // Report the format passed to the SetData method.  This should be the
-    // format of the data object within the composite that recieved data from
+    // format of the data object within the composite that received data from
     // the clipboard or the DnD operation.  You can use this method to find
-    // out what kind of data object was recieved.
+    // out what kind of data object was received.
     wxDataFormat GetReceivedFormat() const;
 
+    // Returns the pointer to the object which supports this format or NULL.
+    // The returned pointer is owned by wxDataObjectComposite and must
+    // therefore not be destroyed by the caller.
+    wxDataObjectSimple *GetObject(const wxDataFormat& format,
+                                  wxDataObjectBase::Direction dir = Get) const;
+
     // implement base class pure virtuals
     // ----------------------------------
     virtual wxDataFormat GetPreferredFormat(wxDataObjectBase::Direction dir = Get) const;
@@ -295,10 +301,6 @@ public:
     virtual size_t GetBufferOffset( const wxDataFormat& format );
 #endif
 
-protected:
-    // returns the pointer to the object which supports this format or NULL
-    wxDataObjectSimple *GetObject(const wxDataFormat& format, wxDataObjectBase::Direction dir=Get) const;
-
 private:
     // the list of all (simple) data objects whose formats we support
     wxSimpleDataObjectList m_dataObjects;
@@ -332,6 +334,45 @@ private:
     #endif
 #endif // wxUSE_UNICODE
 
+class WXDLLIMPEXP_CORE wxHTMLDataObject : public wxDataObjectSimple
+{
+public:
+    // ctor: you can specify the text here or in SetText(), or override
+    // GetText()
+    wxHTMLDataObject(const wxString& html = wxEmptyString)
+        : wxDataObjectSimple(wxDF_HTML),
+          m_html(html)
+        {
+        }
+
+    // virtual functions which you may override if you want to provide text on
+    // demand only - otherwise, the trivial default versions will be used
+    virtual size_t GetLength() const { return m_html.Len() + 1; }
+    virtual wxString GetHTML() const { return m_html; }
+    virtual void SetHTML(const wxString& html) { m_html = html; }
+    
+    virtual size_t GetDataSize() const;
+    virtual bool GetDataHere(void *buf) const;
+    virtual bool SetData(size_t len, const void *buf);
+    
+    // Must provide overloads to avoid hiding them (and warnings about it)
+    virtual size_t GetDataSize(const wxDataFormat&) const
+    {
+        return GetDataSize();
+    }
+    virtual bool GetDataHere(const wxDataFormat&, void *buf) const
+    {
+        return GetDataHere(buf);
+    }
+    virtual bool SetData(const wxDataFormat&, size_t len, const void *buf)
+    {
+        return SetData(len, buf);
+    }
+
+private:
+    wxString m_html;
+};
+
 class WXDLLIMPEXP_CORE wxTextDataObject : public wxDataObjectSimple
 {
 public:
@@ -515,7 +556,7 @@ private:
     #include "wx/gtk/dataobj2.h"
     // wxURLDataObject defined in msw/ole/dataobj2.h
 
-#else 
+#else
     #if defined(__WXGTK__)
         #include "wx/gtk1/dataobj2.h"
     #elif defined(__WXX11__)