Compilation fix for gcc-4 and newer.

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

diff --git a/include/wx/chartype.h b/include/wx/chartype.h
index 934e13d1bc2978a76a20dd7df6f09fa64cfea96f..73606a61e0f714d18dee40b5f687c1df6aeb6272 100644 (file)
--- a/include/wx/chartype.h
+++ b/include/wx/chartype.h
@@ -38,8 +38,8 @@
 #endif /* !defined(wxUSE_WCHAR_T) */
 
 /* Unicode support requires wchar_t */
-#if wxUSE_UNICODE && !wxUSE_WCHAR_T
-    #error "wchar_t must be available in Unicode build"
+#if !wxUSE_WCHAR_T
+    #error "wchar_t must be available"
 #endif /* Unicode */
 
 /*
@@ -145,7 +145,7 @@
     typedef char wxChar;
     typedef signed char wxSChar;
     typedef unsigned char wxUChar;
-#else /* Unicode */
+#else
     /* VZ: note that VC++ defines _T[SU]CHAR simply as wchar_t and not as    */
     /*     signed/unsigned version of it which (a) makes sense to me (unlike */
     /*     char wchar_t is always unsigned) and (b) was how the previous     */
@@ -154,8 +154,8 @@
     /* Sun's SunPro compiler supports the wchar_t type and wide character    */
     /* functions, but does not define __WCHAR_TYPE__. Define it here to      */
     /* allow unicode enabled builds.                                         */
-    #if defined(__SUNPRO_CC) || defined(__SUNPRO_C)
-    #define __WCHAR_TYPE__ wxchar_t
+    #if (defined(__SUNPRO_CC) || defined(__SUNPRO_C)) && !defined(__WCHAR_TYPE__)
+        #define __WCHAR_TYPE__ wxchar_t
     #endif
 
     /* GNU libc has __WCHAR_TYPE__ which requires special treatment, see */
@@ -190,20 +190,33 @@
 /* depending on the platform, Unicode build can either store wxStrings as
    wchar_t* or UTF-8 encoded char*: */
 #if wxUSE_UNICODE
-    /* for now, all Unicode builds are wchar_t* based: */
-    #define wxUSE_UNICODE_WCHAR 1
-    #define wxUSE_UNICODE_UTF8  0
+    /* FIXME-UTF8: what would be better place for this? */
+    #if defined(wxUSE_UTF8_LOCALE_ONLY) && !defined(wxUSE_UNICODE_UTF8)
+        #error "wxUSE_UTF8_LOCALE_ONLY only makes sense with wxUSE_UNICODE_UTF8"
+    #endif
+    #ifndef wxUSE_UTF8_LOCALE_ONLY
+        #define wxUSE_UTF8_LOCALE_ONLY 0
+    #endif
+
+    #ifndef wxUSE_UNICODE_UTF8
+        #define wxUSE_UNICODE_UTF8 0
+    #endif
+
+    #if wxUSE_UNICODE_UTF8
+        #define wxUSE_UNICODE_WCHAR 0
+    #else
+        #define wxUSE_UNICODE_WCHAR 1
+    #endif
 #else
     #define wxUSE_UNICODE_WCHAR 0
     #define wxUSE_UNICODE_UTF8  0
+    #define wxUSE_UTF8_LOCALE_ONLY 0
 #endif
 
 /* define char type used by wxString internal representation: */
-#if wxUSE_UNICODE_UTF8
-    typedef char wxStringCharType;
-#elif wxUSE_UNICODE_WCHAR
+#if wxUSE_UNICODE_WCHAR
     typedef wchar_t wxStringCharType;
-#else
+#else /* wxUSE_UNICODE_UTF8 || ANSI */
     typedef char wxStringCharType;
 #endif
 
@@ -228,6 +241,18 @@
     #endif /* ASCII/Unicode */
 #endif /* !defined(_T) */
 
+/*
+   wxS ("wx string") macro can be used to create literals using the same
+   representation as wxString does internally, i.e. wchar_t in Unicode build
+   under Windows or char in UTF-8-based Unicode builds and (deprecated) ANSI
+   builds everywhere (see wxStringCharType definition above).
+ */
+#if wxUSE_UNICODE_WCHAR
+    #define wxS(x) wxCONCAT_HELPER(L, x)
+#else /* wxUSE_UNICODE_UTF8 || ANSI */
+    #define wxS(x) x
+#endif
+
 /* although global macros with such names are normally bad, we want to have  */
 /* another name for _T() which should be used to avoid confusion between     */
 /* _T() and _() in wxWidgets sources */