[ 1493780 ] wxOwnerDrawnComboBox warnings fixes.

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

diff --git a/include/wx/wxchar.h b/include/wx/wxchar.h
index ad650d57e8b68229b145a8fa5a461f50b8fcbb60..026d9d612ca87486bcf64f04f4144948a67f7a17 100644 (file)
--- a/include/wx/wxchar.h
+++ b/include/wx/wxchar.h
@@ -232,7 +232,8 @@
     #if !wxUSE_UNICODE
         #define _T(x) x
     #else /* Unicode */
-        #define _T(x) L ## x
+        /* use wxCONCAT_HELPER so that x could be expanded if it's a macro */
+        #define _T(x) wxCONCAT_HELPER(L, x)
     #endif /* ASCII/Unicode */
 #endif /* !defined(_T) */
 
@@ -241,20 +242,20 @@
 /* and _() in wxWidgets sources */
 #define wxT(x)       _T(x)
 
+/* a helper macro allowing to make another macro Unicode-friendly, see below */
+#define wxAPPLY_T(x) _T(x)
+
 /* Unicode-friendly __FILE__, __DATE__ and __TIME__ analogs */
 #ifndef __TFILE__
-    #define __XFILE__(x) wxT(x)
-    #define __TFILE__ __XFILE__(__FILE__)
+    #define __TFILE__ wxAPPLY_T(__FILE__)
 #endif
 
 #ifndef __TDATE__
-    #define __XDATE__(x) wxT(x)
-    #define __TDATE__ __XDATE__(__DATE__)
+    #define __TDATE__ wxAPPLY_T(__DATE__)
 #endif
 
 #ifndef __TTIME__
-    #define __XTIME__(x) wxT(x)
-    #define __TTIME__ __XTIME__(__TIME__)
+    #define __TTIME__ wxAPPLY_T(__TIME__)
 #endif
 
 /*
@@ -879,7 +880,8 @@ WXDLLIMPEXP_BASE bool wxOKlibc(); /* for internal use */
         #if defined(HAVE__VSNWPRINTF)
             #define wxVsnprintf_    _vsnwprintf
         /* MinGW?MSVCRT has the wrong vswprintf */
-        #elif defined(HAVE_VSWPRINTF) && !defined(__MINGW32__)
+               /* Mac OS X has a somehow buggy vswprintf */
+        #elif defined(HAVE_VSWPRINTF) && !defined(__MINGW32__) && !defined(__DARWIN__)
             #define wxVsnprintf_    vswprintf
         #endif
     #else /* ASCII */