///////////////////////////////////////////////////////////////////////////////
// Name: wx/time.h
-// Purpose: wxTime class, from NIHCL: this class is deprecated, use
-// wxDateTime instead
-// Author: Julian Smart, after K. E. Gorlen
-// Modified by: 18.12.99 by VZ to use the new wxDateTime class
-// Created: 01/02/97
-// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
+// Purpose: Miscellaneous time-related functions.
+// Author: Vadim Zeitlin
+// Created: 2011-11-26
+// Copyright: (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
-#ifndef _WX_TIMEH__
-#define _WX_TIMEH__
+#ifndef _WX_TIME_H_
+#define _WX_TIME_H_
-#include "wx/defs.h"
+#include "wx/longlong.h"
-#if wxUSE_TIMEDATE
+// Returns the difference between UTC and local time in seconds.
+WXDLLIMPEXP_BASE int wxGetTimeZone();
-#include "wx/object.h"
-#include "wx/datetime.h"
-#include "wx/date.h"
+// Get number of seconds since local time 00:00:00 Jan 1st 1970.
+extern long WXDLLIMPEXP_BASE wxGetLocalTime();
-#ifdef __GNUG__
- #pragma interface "time.h"
-#endif
+// Get number of seconds since GMT 00:00:00, Jan 1st 1970.
+extern long WXDLLIMPEXP_BASE wxGetUTCTime();
-class WXDLLEXPORT wxDate;
+#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
-typedef unsigned short hourTy;
-typedef unsigned short minuteTy;
-typedef unsigned short secondTy;
-typedef unsigned long clockTy;
+// Get number of milliseconds since local time 00:00:00 Jan 1st 1970
+extern wxMilliClock_t WXDLLIMPEXP_BASE wxGetLocalTimeMillis();
-// seconds from 1/1/01 to 1/1/70
-#define wxTIME_EPOCH_DIFF 2177452800UL
+#if wxUSE_LONGLONG
-class WXDLLEXPORT wxTime : public wxObject
-{
-public:
- // type definitions
- enum tFormat { wx12h, wx24h };
- enum tPrecision { wxStdMinSec, wxStdMin };
+// Get the number of milliseconds or microseconds since the Epoch.
+wxLongLong WXDLLIMPEXP_BASE wxGetUTCTimeMillis();
+wxLongLong WXDLLIMPEXP_BASE wxGetUTCTimeUSec();
-public:
- // current time
- wxTime() : m_time(wxDateTime::Now()) { }
- wxTime(clockTy s) : m_time((time_t)(s - wxTIME_EPOCH_DIFF)) { }
- void operator=(const wxTime& t) { m_time = t.m_time; }
- wxTime(const wxTime& t) { *this = t; }
- wxTime(hourTy h, minuteTy m, secondTy s = 0, bool WXUNUSED(dst) = FALSE)
- : m_time(h, m, s) { }
+#endif // wxUSE_LONGLONG
- wxTime(const wxDate& d, hourTy h = 0, minuteTy m = 0, secondTy s = 0,
- bool WXUNUSED(dst) = FALSE)
- : m_time(d.GetDay(), (wxDateTime::Month)d.GetMonth(), d.GetYear(),
- h, m, s) { }
+#define wxGetCurrentTime() wxGetLocalTime()
- wxTime(const wxDateTime& time) : m_time(time) { }
+// 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
- // Convert to string
-#ifndef __SALFORDC__
- operator wxChar *() const { return FormatTime(); }
- operator wxDate() const { return wxDate(m_time); }
+/* 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
- bool operator< (const wxTime& t) const { return m_time < t.m_time; }
- bool operator<=(const wxTime& t) const { return m_time <= t.m_time; }
- bool operator> (const wxTime& t) const { return m_time > t.m_time; }
- bool operator>=(const wxTime& t) const { return m_time >= t.m_time; }
- bool operator==(const wxTime& t) const { return m_time == t.m_time; }
- bool operator!=(const wxTime& t) const { return m_time != t.m_time; }
-
- friend wxTime WXDLLEXPORT operator+(const wxTime& t, long s)
- { return wxTime(t.m_time + wxTimeSpan::Seconds((int)s)); }
- friend wxTime WXDLLEXPORT operator+(long s, const wxTime& t)
- { return wxTime(t.m_time + wxTimeSpan::Seconds((int)s)); }
-
- long operator-(const wxTime& t) const
- { return (m_time - t.m_time).GetValue().ToLong(); }
- wxTime operator-(long s) const
- { return wxTime(m_time - wxTimeSpan::Seconds((int)s)); }
- void operator+=(long s) { m_time += wxTimeSpan::Seconds((int)s); }
- void operator-=(long s) { m_time -= wxTimeSpan::Seconds((int)s); }
- bool IsBetween(const wxTime& a, const wxTime& b) const
- { return *this >= a && *this <= b; }
-
- // Get day
- int GetDay() const { return m_time.GetDay(); }
- // Get month
- int GetMonth() const { return m_time.GetMonth(); }
- // Get year
- int GetYear() const { return m_time.GetYear(); }
- // Get day of week (0=Sunday 6=Saturday)
- int GetDayOfWeek() const { return m_time.GetWeekDay(); }
-
- hourTy GetHour() const { return (hourTy)m_time.GetHour(); }
- hourTy GetHourGMT() const { return (hourTy)m_time.GetHour(wxDateTime::GMT0); }
- minuteTy GetMinute() const { return (hourTy)m_time.GetMinute(); }
- minuteTy GetMinuteGMT() const { return (hourTy)m_time.GetMinute(wxDateTime::GMT0); }
- secondTy GetSecond() const { return (hourTy)m_time.GetSecond(); }
- secondTy GetSecondGMT() const { return (hourTy)m_time.GetSecond(wxDateTime::GMT0); }
-
- clockTy GetSeconds() const { return (clockTy)m_time.GetValue().ToLong(); }
-
- wxTime Max(const wxTime& t) const { return (t < *this) ? *this : t; }
- wxTime Min(const wxTime& t) const { return (t > *this) ? *this : t; }
-
- static void SetFormat(const tFormat lFormat = wx12h,
- const tPrecision lPrecision = wxStdMinSec)
- {
- ms_Format = lFormat;
- ms_Precision = lPrecision;
- }
-
- // (VZ: DANGER: returns pointer to static buffer)
- wxChar *FormatTime() const
- {
- static const wxChar *formats[2][2] =
- {
- // wxStdMinSec wxStdMin
- { _T("%I:%M:%S %p"), _T("%I:%M %p") }, // wx12h
- { _T("%H:%M:%S"), _T("%H:%M") } // wx24h
- };
-
- static wxChar s_bufTime[128];
-
- wxStrncpy(s_bufTime, m_time.Format(formats[ms_Format][ms_Precision]),
- WXSIZEOF(s_bufTime));
-
- return s_bufTime;
- }
-
-private:
- static tFormat ms_Format;
- static tPrecision ms_Precision;
-
-#if 0 // old wxTime members unused any more
- clockTy sec; /* seconds since 1/1/1901 */
-
- bool IsDST() const;
- wxTime GetLocalTime() const;
-
- // 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);
-#endif // 0
-
- wxDateTime m_time;
-
- DECLARE_DYNAMIC_CLASS(wxTime)
-};
-
+#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
- // wxUSE_TIMEDATE
#endif
- // _WX_TIMEH__
+#endif // _WX_TIME_H_
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