X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/40e01f4bfae3018984d947e07efc7a7c624a6eda..616c0d1f3ac084bb92f0a75dc48812e8647f1b22:/include/wx/meta/movable.h

diff --git a/include/wx/meta/movable.h b/include/wx/meta/movable.h
index 3583c98a59..a962282c42 100644
--- a/include/wx/meta/movable.h
+++ b/include/wx/meta/movable.h
@@ -11,20 +11,9 @@
 #ifndef _WX_META_MOVABLE_H_
 #define _WX_META_MOVABLE_H_
 
-#include "wx/defs.h"
+#include "wx/meta/pod.h"
 #include "wx/string.h" // for wxIsMovable<wxString> specialization
 
-// This macro declares something called "value" inside a class declaration.
-//
-// It has to be used because VC6 doesn't handle initialization of the static
-// variables in the class declaration itself while BCC5.82 doesn't understand
-// enums (it compiles the template fine but can't use it later)
-#if defined(__VISUALC__) && !wxCHECK_VISUALC_VERSION(7)
-    #define wxDEFINE_TEMPLATE_BOOL_VALUE(val) enum { value = val }
-#else
-    #define wxDEFINE_TEMPLATE_BOOL_VALUE(val) static const bool value = val
-#endif
-
 // Helper to decide if an object of type T is "movable", i.e. if it can be
 // copied to another memory location using memmove() or realloc() C functions.
 // C++ only gurantees that POD types (including primitive types) are
@@ -32,7 +21,7 @@
 template<typename T>
 struct wxIsMovable
 {
-    wxDEFINE_TEMPLATE_BOOL_VALUE(false);
+    wxDEFINE_TEMPLATE_BOOL_VALUE(wxIsPod<T>::value);
 };
 
 // Macro to add wxIsMovable<T> specialization for given type that marks it
@@ -43,52 +32,13 @@ struct wxIsMovable
         wxDEFINE_TEMPLATE_BOOL_VALUE(true);                 \
     };
 
-WX_DECLARE_TYPE_MOVABLE(bool)
-WX_DECLARE_TYPE_MOVABLE(unsigned char)
-WX_DECLARE_TYPE_MOVABLE(signed char)
-WX_DECLARE_TYPE_MOVABLE(unsigned int)
-WX_DECLARE_TYPE_MOVABLE(signed int)
-WX_DECLARE_TYPE_MOVABLE(unsigned short int)
-WX_DECLARE_TYPE_MOVABLE(signed short int)
-WX_DECLARE_TYPE_MOVABLE(signed long int)
-WX_DECLARE_TYPE_MOVABLE(unsigned long int)
-WX_DECLARE_TYPE_MOVABLE(float)
-WX_DECLARE_TYPE_MOVABLE(double)
-WX_DECLARE_TYPE_MOVABLE(long double)
-#if wxWCHAR_T_IS_REAL_TYPE
-WX_DECLARE_TYPE_MOVABLE(wchar_t)
-#endif
-#ifdef wxLongLong_t
-WX_DECLARE_TYPE_MOVABLE(wxLongLong_t)
-WX_DECLARE_TYPE_MOVABLE(wxULongLong_t)
-#endif
-
-// Visual C++ 6.0 can't compile partial template specializations and as this is
-// only an optimization, we can live with pointers not being recognized as
-// movable types under VC6
-#if !defined(__VISUALC__) || wxCHECK_VISUALC_VERSION(7)
-
-// pointers are movable:
-template<typename T>
-struct wxIsMovable<T*>
-{
-    static const bool value = true;
-};
-
-template<typename T>
-struct wxIsMovable<const T*>
-{
-    static const bool value = true;
-};
-
-#endif // !VC++ < 7
-
 // Our implementation of wxString is written in such way that it's safe to move
-// it around. OTOH, we don't know anything about std::string.
+// it around (unless position cache is used which unfortunately breaks this).
+// OTOH, we don't know anything about std::string.
 // (NB: we don't put this into string.h and choose to include wx/string.h from
 // here instead so that rarely-used wxIsMovable<T> code isn't included by
 // everything)
-#if !wxUSE_STL
+#if !wxUSE_STD_STRING && !wxUSE_STRING_POS_CACHE
 WX_DECLARE_TYPE_MOVABLE(wxString)
 #endif