X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a9a0ceca5b549414a6119e98bc6d868c071a8b1b..3c029873c66cfdc0dcbf52958970273435ba02fc:/include/wx/defs.h

diff --git a/include/wx/defs.h b/include/wx/defs.h
index d5fc6c3c56..d3dc341d61 100644
--- a/include/wx/defs.h
+++ b/include/wx/defs.h
@@ -523,6 +523,17 @@ typedef int wxWindowID;
     #define wxDEPRECATED(x) x
 #endif
 
+/*
+   Special variant of the macro above which should be used for the functions
+   which are deprecated but called by wx itself: this often happens with
+   deprecated virtual functions which are called by the library.
+ */
+#ifdef WXBUILDING
+#   define wxDEPRECATED_BUT_USED_INTERNALLY(x) x
+#else
+#   define wxDEPRECATED_BUT_USED_INTERNALLY(x) wxDEPRECATED(x)
+#endif
+
 /*  everybody gets the assert and other debug macros */
 #include "wx/debug.h"
 
@@ -1128,18 +1139,38 @@ typedef float wxFloat32;
     of treating it as a real fundamental type, set wxWCHAR_T_IS_REAL_TYPE to 0
     for them and to 1 for all the others.
  */
-#if wxUSE_WCHAR_T
+#ifndef wxWCHAR_T_IS_REAL_TYPE
     /*
-        VC++ typedefs wchar_t as unsigned short by default, that is unless
-        /Za or /Zc:wchar_t option is used in which case _WCHAR_T_DEFINED is
-        defined.
+        VC++ typedefs wchar_t as unsigned short by default until VC8, that is
+        unless /Za or /Zc:wchar_t option is used in which case _WCHAR_T_DEFINED
+        is defined.
      */
 #   if defined(__VISUALC__) && !defined(_NATIVE_WCHAR_T_DEFINED)
 #       define wxWCHAR_T_IS_REAL_TYPE 0
 #   else /* compiler having standard-conforming wchar_t */
 #       define wxWCHAR_T_IS_REAL_TYPE 1
 #   endif
-#endif /* wxUSE_WCHAR_T */
+#endif /* !defined(wxWCHAR_T_IS_REAL_TYPE) */
+
+/* Helper macro for doing something dependent on whether wchar_t is or isn't a
+   typedef inside another macro. */
+#if wxWCHAR_T_IS_REAL_TYPE
+    #define wxIF_WCHAR_T_TYPE(x) x
+#else /* !wxWCHAR_T_IS_REAL_TYPE */
+    #define wxIF_WCHAR_T_TYPE(x)
+#endif /* wxWCHAR_T_IS_REAL_TYPE/!wxWCHAR_T_IS_REAL_TYPE */
+
+/*
+   This constant should be used instead of NULL in vararg functions taking
+   wxChar* arguments: passing NULL (which is the same as 0, unless the compiler
+   defines it specially, e.g. like gcc does with its __null built-in) doesn't
+   work in this case as va_arg() wouldn't interpret the integer 0 correctly
+   when trying to convert it to a pointer on architectures where sizeof(int) is
+   strictly less than sizeof(void *).
+
+   Examples of places where this must be used include wxFileTypeInfo ctor.
+ */
+#define wxNullPtr ((void *)NULL)
 
 /*  ---------------------------------------------------------------------------- */
 /*  byte ordering related definition and macros */
@@ -2499,6 +2530,36 @@ typedef void*       WXDisplay;
 
 #ifdef __WXCOCOA__
 
+/* Definitions of 32-bit/64-bit types
+ * These are typedef'd exactly the same way in newer OS X headers so
+ * redefinition when real headers are included should not be a problem.  If
+ * it is, the types are being defined wrongly here.
+ * The purpose of these types is so they can be used from public wx headers.
+ * and also because the older (pre-Leopard) headers don't define them.
+ */
+
+/* NOTE: We don't pollute namespace with CGFLOAT_MIN/MAX/IS_DOUBLE macros
+ * since they are unlikely to be needed in a public header.
+ */
+#if defined(__LP64__) && __LP64__
+	typedef double CGFloat;
+#else
+	typedef float CGFloat;
+#endif
+
+#if (defined(__LP64__) && __LP64__) || (defined(NS_BUILD_32_LIKE_64) && NS_BUILD_32_LIKE_64)
+typedef long NSInteger;
+typedef unsigned long NSUInteger;
+#else
+typedef int NSInteger;
+typedef unsigned int NSUInteger;
+#endif
+
+/* Objective-C type declarations.
+ * These are to be used in public headers in lieu of NSSomething* because
+ * Objective-C class names are not available in C/C++ code.
+ */
+
 /*  NOTE: This ought to work with other compilers too, but I'm being cautious */
 #if (defined(__GNUC__) && defined(__APPLE__)) || defined(__MWERKS__)
 /* It's desirable to have type safety for Objective-C(++) code as it does