Support using GetTextExtent() with empty string to get descent in wxOSX.

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

diff --git a/include/wx/defs.h b/include/wx/defs.h
index daa9d505982f59602c7b908f4cb3995d39a988c7..26bbf9721c93fd8755424b7ebbd7baff620799f5 100644 (file)
--- a/include/wx/defs.h
+++ b/include/wx/defs.h
@@ -356,6 +356,32 @@ typedef short int WXTYPE;
     #endif
 #endif
 
     #endif
 #endif
 

+#if defined(__has_include)
+    #if !defined(HAVE_TYPE_TRAITS) && __has_include(<type_traits>)
+        #define HAVE_TYPE_TRAITS
+    #endif
+
+    #if !defined(HAVE_TR1_TYPE_TRAITS) && __has_include(<tr1/type_traits>)
+        #define HAVE_TR1_TYPE_TRAITS
+    #endif
+
+    #if !defined(HAVE_STD_UNORDERED_MAP) && __has_include(<unordered_map>)
+        #define HAVE_STD_UNORDERED_MAP
+    #endif
+
+    #if !defined(HAVE_TR1_UNORDERED_MAP) && __has_include(<tr1/unordered_map>)
+        #define HAVE_TR1_UNORDERED_MAP
+    #endif
+
+    #if !defined(HAVE_STD_UNORDERED_SET) && __has_include(<unordered_set>)
+        #define HAVE_STD_UNORDERED_SET
+    #endif
+
+    #if !defined(HAVE_TR1_UNORDERED_SET) && __has_include(<tr1/unordered_set>)
+        #define HAVE_TR1_UNORDERED_SET
+    #endif
+#endif // defined(__has_include)
+

 /* provide replacement for C99 va_copy() if the compiler doesn't have it */
 
 /* could be already defined by configure or the user */
 /* provide replacement for C99 va_copy() if the compiler doesn't have it */
 
 /* could be already defined by configure or the user */


@@ -399,17 +425,6 @@ typedef short int WXTYPE;
     #endif /* va_copy/!va_copy */
 #endif /* wxVaCopy */
 
     #endif /* va_copy/!va_copy */
 #endif /* wxVaCopy */
 

-#ifndef HAVE_VARIADIC_MACROS
-    #if wxCHECK_WATCOM_VERSION(1,2)
-        #define HAVE_VARIADIC_MACROS
-    #endif
-
-    #if wxCHECK_VISUALC_VERSION(9)
-        #define HAVE_VARIADIC_MACROS
-    #endif
-#endif /* HAVE_VARIADIC_MACROS */
-
-

 #ifndef HAVE_WOSTREAM
     /*
         Mingw <= 3.4 and all versions of Cygwin don't have std::wostream
 #ifndef HAVE_WOSTREAM
     /*
         Mingw <= 3.4 and all versions of Cygwin don't have std::wostream


@@ -538,6 +553,12 @@ typedef short int WXTYPE;
 #   endif
 #endif
 
 #   endif
 #endif
 

+#if defined(__GNUC__)
+    #define WX_ATTRIBUTE_UNUSED __attribute__ ((unused))
+#else
+    #define WX_ATTRIBUTE_UNUSED
+#endif
+

 /*  Macro to issue warning when using deprecated functions with gcc3 or MSVC7: */
 #if wxCHECK_GCC_VERSION(3, 1)
     #define wxDEPRECATED(x) __attribute__((deprecated)) x
 /*  Macro to issue warning when using deprecated functions with gcc3 or MSVC7: */
 #if wxCHECK_GCC_VERSION(3, 1)
     #define wxDEPRECATED(x) __attribute__((deprecated)) x


@@ -631,7 +652,7 @@ typedef short int WXTYPE;
     template <typename T>
     inline void wxDELETE(T*& ptr)
     {
     template <typename T>
     inline void wxDELETE(T*& ptr)
     {

-        typedef char TypeIsCompleteCheck[sizeof(T)];
+        typedef char TypeIsCompleteCheck[sizeof(T)] WX_ATTRIBUTE_UNUSED;

 
         if ( ptr != NULL )
         {
 
         if ( ptr != NULL )
         {


@@ -644,7 +665,7 @@ typedef short int WXTYPE;
     template <typename T>
     inline void wxDELETEA(T*& ptr)
     {
     template <typename T>
     inline void wxDELETEA(T*& ptr)
     {

-        typedef char TypeIsCompleteCheck[sizeof(T)];
+        typedef char TypeIsCompleteCheck[sizeof(T)] WX_ATTRIBUTE_UNUSED;

 
         if ( ptr != NULL )
         {
 
         if ( ptr != NULL )
         {