+ // and this one does nothing if all of level bits are not set in
+ // wxLog::GetActive()->GetTraceMask() -- it's deprecated in favour of
+ // string identifiers
+ DECLARE_LOG_FUNCTION2(Trace, wxTraceMask, mask);
+#ifdef __WATCOMC__
+ // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351
+ DECLARE_LOG_FUNCTION2(Trace, int, mask);
+#endif
+#else //!debug || !wxUSE_LOG
+ // these functions do nothing in release builds, but don't define them as
+ // nothing as it could result in different code structure in debug and
+ // release and this could result in trouble when these macros are used
+ // inside if/else
+ //
+ // note that making wxVLogDebug/Trace() themselves (empty inline) functions
+ // is a bad idea as some compilers are stupid enough to not inline even
+ // empty functions if their parameters are complicated enough, but by
+ // defining them as an empty inline function we ensure that even dumbest
+ // compilers optimise them away
+ inline void wxLogNop() { }
+
+ #define wxVLogDebug(fmt, valist) wxLogNop()
+ #define wxVLogTrace(mask, fmt, valist) wxLogNop()
+
+ #ifdef HAVE_VARIADIC_MACROS
+ // unlike the inline functions below, this completely removes the
+ // wxLogXXX calls from the object file:
+ #define wxLogDebug(fmt, ...) wxLogNop()
+ #define wxLogTrace(mask, fmt, ...) wxLogNop()
+ #else // !HAVE_VARIADIC_MACROS
+ //inline void wxLogDebug(const wxString& fmt, ...) {}
+ WX_DEFINE_VARARG_FUNC_NOP(wxLogDebug, 1, (const wxString&))
+ //inline void wxLogTrace(wxTraceMask, const wxString& fmt, ...) {}
+ //inline void wxLogTrace(const wxString&, const wxString& fmt, ...) {}
+ WX_DEFINE_VARARG_FUNC_NOP(wxLogTrace, 2, (wxTraceMask, const wxString&))
+ WX_DEFINE_VARARG_FUNC_NOP(wxLogTrace, 2, (const wxString&, const wxString&))
+ #ifdef __WATCOMC__
+ // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351
+ WX_DEFINE_VARARG_FUNC_NOP(wxLogTrace, 2, (const char*, const char*))
+ WX_DEFINE_VARARG_FUNC_NOP(wxLogTrace, 2, (const wchar_t*, const wchar_t*))
+ #endif
+ #endif // HAVE_VARIADIC_MACROS/!HAVE_VARIADIC_MACROS
+#endif // debug/!debug
+
+#if defined(__VISUALC__) && __VISUALC__ < 1300
+ #pragma warning(default:4003)
+#endif
+
+// wxLogFatalError helper: show the (fatal) error to the user in a safe way,
+// i.e. without using wxMessageBox() for example because it could crash
+void WXDLLIMPEXP_BASE
+wxSafeShowMessage(const wxString& title, const wxString& text);
+
+// ----------------------------------------------------------------------------
+// debug only logging functions: use them with API name and error code
+// ----------------------------------------------------------------------------
+
+#ifdef __WXDEBUG__
+ // make life easier for people using VC++ IDE: clicking on the message
+ // will take us immediately to the place of the failed API
+#ifdef __VISUALC__
+ #define wxLogApiError(api, rc) \
+ wxLogDebug(wxT("%s(%d): '%s' failed with error 0x%08lx (%s)."), \
+ __FILE__, __LINE__, api, \
+ (long)rc, wxSysErrorMsg(rc))
+#else // !VC++
+ #define wxLogApiError(api, rc) \
+ wxLogDebug(wxT("In file %s at line %d: '%s' failed with ") \
+ wxT("error 0x%08lx (%s)."), \
+ __FILE__, __LINE__, api, \
+ (long)rc, wxSysErrorMsg(rc))
+#endif // VC++/!VC++
+
+ #define wxLogLastError(api) wxLogApiError(api, wxSysErrorCode())
+