#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
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
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_STL && !wxUSE_STRING_POS_CACHE
WX_DECLARE_TYPE_MOVABLE(wxString)
#endif