+// ----------------------------------------------------------------------------
+// wxURLDataObject
+// ----------------------------------------------------------------------------
+
+class CFSTR_SHELLURLDataObject:public wxCustomDataObject
+{
+public:
+ CFSTR_SHELLURLDataObject() : wxCustomDataObject(CFSTR_SHELLURL) {}
+protected:
+ virtual size_t GetBufferOffset( const wxDataFormat& format )
+ {
+ return 0;
+ }
+
+ virtual const void* GetSizeFromBuffer( const void* buffer, size_t* size,
+ const wxDataFormat& format )
+ {
+ // CFSTR_SHELLURL is _always_ ANSI text
+ *size = strlen( (const char*)buffer );
+
+ return buffer;
+ }
+
+ virtual void* SetSizeInBuffer( void* buffer, size_t size,
+ const wxDataFormat& format )
+ {
+ return buffer;
+ }
+#if wxUSE_UNICODE
+ virtual bool GetDataHere( void* buffer ) const
+ {
+ // CFSTR_SHELLURL is _always_ ANSI!
+ wxCharBuffer char_buffer( GetDataSize() );
+ wxCustomDataObject::GetDataHere( (void*)char_buffer.data() );
+ wxString unicode_buffer( char_buffer );
+ memcpy( buffer, unicode_buffer.c_str(),
+ ( unicode_buffer.length() + 1 ) * sizeof(wxChar) );
+
+ return TRUE;
+ }
+#endif
+};
+
+wxURLDataObject::wxURLDataObject()
+{
+ // we support CF_TEXT and CFSTR_SHELLURL formats which are basicly the same
+ // but it seems that some browsers only provide one of them so we have to
+ // support both
+ Add(new wxTextDataObject);
+ Add(new CFSTR_SHELLURLDataObject());
+
+ // we don't have any data yet
+ m_dataObjectLast = NULL;
+}
+
+bool wxURLDataObject::SetData(const wxDataFormat& format,
+ size_t len,
+ const void *buf)
+{
+ m_dataObjectLast = GetObject(format);
+
+ wxCHECK_MSG( m_dataObjectLast, FALSE,
+ wxT("unsupported format in wxURLDataObject"));
+
+ return m_dataObjectLast->SetData(len, buf);
+}
+
+wxString wxURLDataObject::GetURL() const
+{
+ wxString url;
+ wxCHECK_MSG( m_dataObjectLast, url, _T("no data in wxURLDataObject") );
+
+ size_t len = m_dataObjectLast->GetDataSize();
+
+ m_dataObjectLast->GetDataHere(url.GetWriteBuf(len));
+ url.UngetWriteBuf();
+
+ return url;
+}
+
+void wxURLDataObject::SetURL(const wxString& url)
+{
+ SetData(wxDataFormat(wxDF_TEXT), url.Length()+1, url.c_str());
+ SetData(wxDataFormat(CFSTR_SHELLURL), url.Length()+1, url.c_str());
+}
+
projects / wxWidgets.git / blobdiff