support SDK < 10.6, fixes #14902

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

diff --git a/include/wx/time.h b/include/wx/time.h
index 05c5a263e646624e480e5b65039003e67699a842..8b79d3ec578f61f0da085ccd9bc98e5b8ce63450 100644 (file)
--- a/include/wx/time.h
+++ b/include/wx/time.h
@@ -1,97 +1,77 @@
-/////////////////////////////////////////////////////////////////////////////
-// Name:        time.h
-// Purpose:     wxTime class, from NIHCL
-// Author:      Julian Smart, after K. E. Gorlen
-// Modified by:
-// Created:     01/02/97
-// RCS-ID:      $Id$
-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:    wxWindows licence
-/////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/time.h
+// Purpose:     Miscellaneous time-related functions.
+// Author:      Vadim Zeitlin
+// Created:     2011-11-26
+// RCS-ID:      $Id: wxhead.h,v 1.12 2010-04-22 12:44:51 zeitlin Exp $
+// Copyright:   (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////

 
 

-#ifndef __TIMEH__
-#define __TIMEH__
+#ifndef _WX_TIME_H_
+#define _WX_TIME_H_

 
 

-#include "wx/object.h"
+#include "wx/longlong.h"

 
 

-#if USE_TIMEDATE
+// Returns the difference between UTC and local time in seconds.
+WXDLLIMPEXP_BASE int wxGetTimeZone();

 
 

-#ifdef __GNUG__
-#pragma interface "time.h"
-#endif
+// Get number of seconds since local time 00:00:00 Jan 1st 1970.
+extern long WXDLLIMPEXP_BASE wxGetLocalTime();
+
+// Get number of seconds since GMT 00:00:00, Jan 1st 1970.
+extern long WXDLLIMPEXP_BASE wxGetUTCTime();
+
+#if wxUSE_LONGLONG
+    typedef wxLongLong wxMilliClock_t;
+    inline long wxMilliClockToLong(wxLongLong ll) { return ll.ToLong(); }
+#else
+    typedef double wxMilliClock_t;
+    inline long wxMilliClockToLong(double d) { return wx_truncate_cast(long, d); }
+#endif // wxUSE_LONGLONG
+
+// Get number of milliseconds since local time 00:00:00 Jan 1st 1970
+extern wxMilliClock_t WXDLLIMPEXP_BASE wxGetLocalTimeMillis();

 
 

-class WXDLLEXPORT wxDate;
+#if wxUSE_LONGLONG

 
 

-typedef unsigned short hourTy;
-typedef unsigned short minuteTy;
-typedef unsigned short secondTy;
-typedef unsigned long clockTy;
+// Get the number of milliseconds or microseconds since the Epoch.
+wxLongLong WXDLLIMPEXP_BASE wxGetUTCTimeMillis();
+wxLongLong WXDLLIMPEXP_BASE wxGetUTCTimeUSec();

 
 

-class WXDLLEXPORT wxTime: public wxObject
-{
-        DECLARE_DYNAMIC_CLASS(wxTime)
-        
-public:                 // type definitions
-       enum tFormat { wx12h, wx24h };
-       enum tPrecision { wxStdMinSec, wxStdMin };
-private:
-                 static tFormat                Format;
-                 static tPrecision     Precision;
+#endif // wxUSE_LONGLONG

 
 

-                 clockTy               sec;                    /* seconds since 1/1/1901 */
+#define wxGetCurrentTime() wxGetLocalTime()

 
 

-        bool IsDST() const;
-        wxTime GetLocalTime() const;
-private:                // static member functions
-        static wxTime GetLocalTime(const wxDate& date, hourTy h=0, minuteTy m=0, secondTy s=0);
-        static wxTime GetBeginDST(unsigned year);
-        static wxTime GetEndDST(unsigned year);
-public:
-        wxTime();                         // current time 
-        wxTime(clockTy s)                 { sec = s; }
-        wxTime(const wxTime& t)                 { (*this) = t ; }
-                 wxTime(hourTy h, minuteTy m, secondTy s =0, bool dst =FALSE);
-                 wxTime(const wxDate&, hourTy h =0, minuteTy m =0, secondTy s=0, bool dst =FALSE);
-                 // Convert to string
-        operator char *   (void);
-        operator wxDate() const;
-        bool operator<(const wxTime& t) const     { return sec < t.sec; }
-        bool operator<=(const wxTime& t) const    { return sec <= t.sec; }
-        bool operator>(const wxTime& t) const     { return sec > t.sec; }
-        bool operator>=(const wxTime& t) const    { return sec >= t.sec; }
-        bool operator==(const wxTime& t) const    { return sec == t.sec; }
-        bool operator!=(const wxTime& t) const    { return sec != t.sec; }
-        void operator=(const wxTime& t)     { sec = t.sec; }
-        friend wxTime operator+(const wxTime& t, long s)    { return wxTime(t.sec+s); }
-                 friend wxTime operator+(long s, const wxTime& t)    { return wxTime(t.sec+s); }
-                 long operator-(const wxTime& t) const     { return sec - t.sec; }
-                 wxTime operator-(long s) const    { return wxTime(sec-s); }
-        void operator+=(long s)         { sec += s; }
-        void operator-=(long s)         { sec -= s; }
-        bool IsBetween(const wxTime& a, const wxTime& b) const;
-        hourTy GetHour() const;            // hour in local time
-        hourTy GetHourGMT() const;         // hour in GMT 
-        minuteTy GetMinute() const;        // minute in local time 
-        minuteTy GetMinuteGMT() const;     // minute in GMT 
-        secondTy GetSecond() const;        // second in local time or GMT 
-        clockTy GetSeconds() const         { return sec; }
-        wxTime Max(const wxTime&) const;
-                 wxTime Min(const wxTime&) const;
-                 static void SetFormat(const tFormat lFormat                   = wx12h,
-                                                                               const tPrecision lPrecision     = wxStdMinSec);
-                 char *FormatTime() const;
-/*
-        virtual int compare(const Object&) const;
-        virtual void deepenShallowCopy();       // {}
-        virtual unsigned hash() const;
-        virtual bool isEqual(const Object&) const;
-        virtual void printOn(ostream& strm =cout) const;
-        virtual const Class* species() const;
-*/
-};
+// on some really old systems gettimeofday() doesn't have the second argument,
+// define wxGetTimeOfDay() to hide this difference
+#ifdef HAVE_GETTIMEOFDAY
+    #ifdef WX_GETTIMEOFDAY_NO_TZ
+        #define wxGetTimeOfDay(tv)      gettimeofday(tv)
+    #else
+        #define wxGetTimeOfDay(tv)      gettimeofday((tv), NULL)
+    #endif
+#endif // HAVE_GETTIMEOFDAY
+
+/* Two wrapper functions for thread safety */
+#ifdef HAVE_LOCALTIME_R
+#define wxLocaltime_r localtime_r
+#else
+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
+#endif
+#endif

 
 

+#ifdef HAVE_GMTIME_R
+#define wxGmtime_r gmtime_r
+#else
+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

 #endif
 #endif

-  // USE_TIMEDATE

 #endif
 #endif

-    // __TIMEH__

 
 

+#endif // _WX_TIME_H_