Added STCDLLEXPORT so wxSTC could be built and used as a DLL.

Fixed DoAddChar handling in unicode mode to translate the char to UTF8
if needed.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@17420 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

contrib/include/wx/stc/stc.h

@@ -24,6 +24,12 @@
 #include <wx/wx.h>
 #include <wx/dnd.h>
 
+#ifdef STCISDLL
+#define STCDLLEXPORT WXDLLEXPORT
+#else
+#define STCDLLEXPORT
+#endif
+
 //----------------------------------------------------------------------
 
 // Should a wxPopupWindow be used for the call tips and autocomplete windows?
@@ -873,8 +879,11 @@ class  ScintillaWX;                      // forward declare
 class  WordList;
 struct SCNotification;
 
-
-extern const wxChar* wxSTCNameStr;
+#ifndef SWIG
+extern STCDLLEXPORT const wxChar* wxSTCNameStr;
+class STCDLLEXPORT wxStyledTextCtrl;
+class STCDLLEXPORT wxStyledTextEvent;
+#endif
 
 //----------------------------------------------------------------------
 
@@ -1968,7 +1977,7 @@ private:
 
 //----------------------------------------------------------------------
 
-// SWIG can't handle "#if" type of conditionals, onlu "#ifdef"
+// SWIG can't handle "#if" type of conditionals, only "#ifdef"
 #ifdef SWIG
 #define STC_USE_DND 1
 #else