X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f5cd97870d58ebf1fa2267299f80b864281884c6..82df67d960355e99a66b1db473b9d6236bf2fbb9:/include/wx/datetime.h?ds=sidebyside

diff --git a/include/wx/datetime.h b/include/wx/datetime.h
index 92398e53f2..017c226b89 100644
--- a/include/wx/datetime.h
+++ b/include/wx/datetime.h
@@ -17,6 +17,8 @@
     #pragma interface "datetime.h"
 #endif
 
+#if wxUSE_DATETIME
+
 #include <time.h>
 #include <limits.h>             // for INT_MIN
 
@@ -26,14 +28,20 @@ class WXDLLEXPORT wxDateTime;
 class WXDLLEXPORT wxTimeSpan;
 class WXDLLEXPORT wxDateSpan;
 
-// don't use inline functions in debug builds - we don't care about
+// a hack: don't use inline functions in debug builds - we don't care about
 // performances and this only leads to increased rebuild time (because every
 // time an inline method is changed, all files including the header must be
 // rebuilt)
-// For Mingw32, causes a link error.
+
+// For Mingw32, causes a link error. (VZ: why?)
 #if defined( __WXDEBUG__) && !defined(__MINGW32__)
+    #define wxDATETIME_DONT_INLINE
+
     #undef inline
     #define inline
+#else
+    // just in case
+    #undef wxDATETIME_DONT_INLINE
 #endif // Debug
 
 // not all c-runtimes are based on 1/1/1970 being (time_t) 0
@@ -113,7 +121,7 @@ class WXDLLEXPORT wxDateSpan;
 // wxInvalidDateTime)
 class WXDLLEXPORT wxDateTime;
 
-WXDLLEXPORT_DATA(extern const wxDateTime&) wxDefaultDateTime;
+WXDLLEXPORT_DATA(extern const wxDateTime) wxDefaultDateTime;
 #define wxInvalidDateTime wxDefaultDateTime
 
 // ----------------------------------------------------------------------------
@@ -539,7 +547,7 @@ public:
     // ------------------------------------------------------------------------
 
         // default ctor does not initialize the object, use Set()!
-    wxDateTime() { }
+    wxDateTime() { m_time = wxLongLong((long)ULONG_MAX, ULONG_MAX); }
 
         // from time_t: seconds since the Epoch 00:00:00 UTC, Jan 1, 1970)
 #if (!(defined(__VISAGECPP__) && __IBMCPP__ >= 400))
@@ -773,8 +781,7 @@ public:
     // result of timezone shift)
     // ------------------------------------------------------------------------
 
-        // is the date valid? Note that this will return TRUE for non
-        // initialized objects but FALSE if *this == wxInvalidDateTime
+        // is the date valid?
     inline bool IsValid() const { return m_time != wxInvalidDateTime.m_time; }
 
         // get the broken down date/time representation in the given timezone
@@ -1335,14 +1342,16 @@ protected:
 // else than datetime.cpp in debug builds: this minimizes rebuilds if we change
 // some inline function and the performance doesn't matter in the debug builds.
 
-#if !defined(__WXDEBUG__) || defined(wxDEFINE_TIME_CONSTANTS)
+#if !defined(wxDATETIME_DONT_INLINE) || defined(wxDEFINE_TIME_CONSTANTS)
     #define INCLUDED_FROM_WX_DATETIME_H
         #include "wx/datetime.inl"
     #undef INCLUDED_FROM_WX_DATETIME_H
 #endif
 
 // if we defined it to be empty above, restore it now
-#undef inline
+#ifdef wxDATETIME_DONT_INLINE
+    #undef inline
+#endif
 
 // ============================================================================
 // binary operators
@@ -1571,4 +1580,6 @@ inline WXDLLEXPORT void wxPrevWDay(wxDateTime::WeekDay& wd)
                                : (wxDateTime::WeekDay)(wd - 1);
 }
 
+#endif // wxUSE_DATETIME
+
 #endif // _WX_DATETIME_H