fixing 1736428

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@46443 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/mac/carbon/textctrl.cpp

@@ -1794,11 +1794,18 @@ void wxMacMLTEControl::AdjustCreationAttributes( const wxColour &background, boo
             options |=
                 kTXNSupportEditCommandProcessing
                 | kTXNSupportEditCommandUpdating
-                | kTXNSupportSpellCheckCommandProcessing
-                | kTXNSupportSpellCheckCommandUpdating
                 | kTXNSupportFontCommandProcessing
                 | kTXNSupportFontCommandUpdating;
 
+            // only spell check when not read-only 
+            // todo : use system options for the other cases
+            bool checkSpelling = !(m_windowStyle & wxTE_READONLY); 
+
+            if ( checkSpelling )
+                options |=
+                    kTXNSupportSpellCheckCommandProcessing
+                    | kTXNSupportSpellCheckCommandUpdating;              
+
             TXNSetCommandEventSupport( m_txn , options ) ;
         }
     }