compilation fix for wxString::Format("no variadic arguments") and VC6

[wxWidgets.git] / include / wx / datetime.h

diff --git a/include/wx/datetime.h b/include/wx/datetime.h
index 8d994290ab337c1e9828496219cc6e736710547e..c5f9f365df2f6cbfb0e487c6407ccce8ec72bbde 100644 (file)
--- a/include/wx/datetime.h
+++ b/include/wx/datetime.h
@@ -27,9 +27,9 @@
 
 #include "wx/longlong.h"
 
-class WXDLLIMPEXP_BASE wxDateTime;
-class WXDLLIMPEXP_BASE wxTimeSpan;
-class WXDLLIMPEXP_BASE wxDateSpan;
+class WXDLLIMPEXP_FWD_BASE wxDateTime;
+class WXDLLIMPEXP_FWD_BASE wxTimeSpan;
+class WXDLLIMPEXP_FWD_BASE wxDateSpan;
 
 #include "wx/dynarray.h"
 
@@ -56,7 +56,7 @@ class WXDLLIMPEXP_BASE wxDateSpan;
 #ifdef HAVE_LOCALTIME_R
 #define wxLocaltime_r localtime_r
 #else
-struct tm *wxLocaltime_r(const time_t*, struct tm*);
+WXDLLIMPEXP_BASE struct tm *wxLocaltime_r(const time_t*, struct tm*);
 #if wxUSE_THREADS && !defined(__WINDOWS__) && !defined(__WATCOMC__)
      // On Windows, localtime _is_ threadsafe!
 #warning using pseudo thread-safe wrapper for localtime to emulate localtime_r
@@ -66,7 +66,7 @@ struct tm *wxLocaltime_r(const time_t*, struct tm*);
 #ifdef HAVE_GMTIME_R
 #define wxGmtime_r gmtime_r
 #else
-struct tm *wxGmtime_r(const time_t*, struct tm*);
+WXDLLIMPEXP_BASE struct tm *wxGmtime_r(const time_t*, struct tm*);
 #if wxUSE_THREADS && !defined(__WINDOWS__) && !defined(__WATCOMC__)
      // On Windows, gmtime _is_ threadsafe!
 #warning using pseudo thread-safe wrapper for gmtime to emulate gmtime_r
@@ -125,7 +125,7 @@ struct tm *wxGmtime_r(const time_t*, struct tm*);
 // argument for arguments of type wxDateTime; it is also returned by all
 // functions returning wxDateTime on failure (this is why it is also called
 // wxInvalidDateTime)
-class WXDLLIMPEXP_BASE wxDateTime;
+class WXDLLIMPEXP_FWD_BASE wxDateTime;
 
 extern WXDLLIMPEXP_DATA_BASE(const wxChar*) wxDefaultDateTimeFormat;
 extern WXDLLIMPEXP_DATA_BASE(const wxChar*) wxDefaultTimeSpanFormat;
@@ -564,7 +564,7 @@ public:
     // ------------------------------------------------------------------------
 
         // default ctor does not initialize the object, use Set()!
-    wxDateTime() { m_time = wxLongLong((long)ULONG_MAX, ULONG_MAX); }
+    wxDateTime() { m_time = wxLongLong(wxINT32_MIN, 0); }
 
         // from time_t: seconds since the Epoch 00:00:00 UTC, Jan 1, 1970)
 #if (!(defined(__VISAGECPP__) && __IBMCPP__ >= 400))
@@ -639,6 +639,10 @@ public:
         // resets time to 00:00:00, doesn't change the date
     wxDateTime& ResetTime();
 
+        // get the date part of this object only, i.e. the object which has the
+        // same date as this one but time of 00:00:00
+    wxDateTime GetDateOnly() const;
+
         // the following functions don't change the values of the other
         // fields, i.e. SetMinute() won't change either hour or seconds value
 
@@ -1038,7 +1042,7 @@ public:
         // default, they will not change if they had valid values or will
         // default to Today() otherwise)
     const wxChar *ParseFormat(const wxChar *date,
-                              const wxChar *format = wxDefaultDateTimeFormat,
+                              const wxString& format = wxDefaultDateTimeFormat,
                               const wxDateTime& dateDef = wxDefaultDateTime);
         // parse a string containing the date/time in "free" format, this
         // function will try to make an educated guess at the string contents
@@ -1053,7 +1057,7 @@ public:
         // argument corresponds to the preferred date and time representation
         // for the current locale) and returns the string containing the
         // resulting text representation
-    wxString Format(const wxChar *format = wxDefaultDateTimeFormat,
+    wxString Format(const wxString& format = wxDefaultDateTimeFormat,
                     const TimeZone& tz = Local) const;
         // preferred date representation for the current locale
     wxString FormatDate() const { return Format(_T("%x")); }
@@ -1290,7 +1294,7 @@ public:
         // resulting text representation. Notice that only some of format
         // specifiers valid for wxDateTime are valid for wxTimeSpan: hours,
         // minutes and seconds make sense, but not "PM/AM" string for example.
-    wxString Format(const wxChar *format = wxDefaultTimeSpanFormat) const;
+    wxString Format(const wxString& format = wxDefaultTimeSpanFormat) const;
 
     // implementation
     // ------------------------------------------------------------------------
@@ -1483,7 +1487,7 @@ WX_DECLARE_USER_EXPORTED_OBJARRAY(wxDateTime, wxDateTimeArray, WXDLLIMPEXP_BASE)
 //     virtual methods to work with the holidays they correspond to.
 // ----------------------------------------------------------------------------
 
-class WXDLLIMPEXP_BASE wxDateTimeHolidayAuthority;
+class WXDLLIMPEXP_FWD_BASE wxDateTimeHolidayAuthority;
 WX_DEFINE_USER_EXPORTED_ARRAY_PTR(wxDateTimeHolidayAuthority *,
                               wxHolidayAuthoritiesArray,
                               class WXDLLIMPEXP_BASE);
@@ -1672,7 +1676,7 @@ inline time_t wxDateTime::GetTicks() const
         return (time_t)-1;
     }
 
-    return (time_t)((m_time / (long)TIME_T_FACTOR).GetLo())+WX_TIME_BASE_OFFSET ;
+    return (time_t)((m_time / (long)TIME_T_FACTOR).ToLong()) + WX_TIME_BASE_OFFSET;
 }
 
 inline bool wxDateTime::SetToLastWeekDay(WeekDay weekday,
@@ -1928,7 +1932,9 @@ inline wxLongLong wxTimeSpan::GetSeconds() const
 
 inline int wxTimeSpan::GetMinutes() const
 {
-    return (GetSeconds() / 60l).GetLo();
+    // explicit cast to int suppresses a warning with CodeWarrior and possibly
+    // others (changing the return type to long from int is impossible in 2.8)
+    return (int)((GetSeconds() / 60l).GetLo());
 }
 
 inline int wxTimeSpan::GetHours() const