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Everything rewritten from scratch

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5008 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Guillermo Rodriguez Garcia 1999-12-17 01:27:53 +00:00
parent c5a1681bfe
commit b8f0499040
1 changed files with 113 additions and 125 deletions
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238
src/common/timercmn.cpp
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@ -3,6 +3,8 @@
// Purpose: Common timer implementation // Purpose: Common timer implementation
// Author: Julian Smart // Author: Julian Smart
// Modified by: Vadim Zeitlin on 12.11.99 to get rid of all ifdefs // Modified by: Vadim Zeitlin on 12.11.99 to get rid of all ifdefs
// Sylvain Bougnoux on ?? to add wxStopWatch class
// Guillermo Rodriguez <guille@iies.es>, 12/99 complete rewrite.
// Created: 04/01/98 // Created: 04/01/98
// RCS-ID: $Id$ // RCS-ID: $Id$
// Copyright: (c) Julian Smart and Markus Holzem // Copyright: (c) Julian Smart and Markus Holzem
@ -34,33 +36,22 @@
#endif #endif
#include "wx/timer.h" #include "wx/timer.h"
#include "wx/longlong.h"
// I'm told VMS is POSIX, so should have localtime() #if defined(__WIN32__)
#if defined(__WXMSW__) || defined(__VMS__) || defined(__WXPM__) || defined(__WXMAC__) #include <windows.h>
// configure might have found it already for us
#ifndef HAVE_LOCALTIME
#define HAVE_LOCALTIME
#endif
#endif #endif
// TODO: #define WX_GMTOFF_IN_TM for Windows compilers which have it here #include <time.h>
#ifndef __WXMAC__
#if defined(__WIN32__) && !defined(WX_GMTOFF_IN_TM) #include <sys/types.h> // for time_t
#include <windows.h>
#endif #endif
#if defined(HAVE_GETTIMEOFDAY) #if defined(HAVE_GETTIMEOFDAY)
#include <sys/time.h> #include <sys/time.h>
#include <unistd.h> #include <unistd.h>
#elif defined(HAVE_LOCALTIME)
#include <time.h>
#ifndef __WXMAC__
#include <sys/types.h> // for time_t
#endif
#elif defined(HAVE_FTIME) #elif defined(HAVE_FTIME)
#include <sys/timeb.h> #include <sys/timeb.h>
#else
#error "no function to find the current time on this system"
#endif #endif
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
@ -82,166 +73,163 @@
// implementation // implementation
// ============================================================================ // ============================================================================
wxLongLong wxGetLocalTimeMillis();
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
// wxStopWatch // wxStopWatch
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
void wxStopWatch::Start(long t) void wxStopWatch::Start(long t)
{ {
m_t0 = wxGetCurrentMTime() - t; m_t0 = wxGetLocalTimeMillis() - t;
m_pause = 0; m_pause = 0;
} }
long wxStopWatch::Time() const long wxStopWatch::Time() const
{ {
return m_pause ? m_pause : GetElapsedTime(); return (m_pause ? m_pause : GetElapsedTime());
}
long wxStopWatch::GetElapsedTime() const
{
return (wxGetLocalTimeMillis() - m_t0).GetLo();
} }
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
// old timer functions superceded by wxStopWatch // old timer functions superceded by wxStopWatch
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
static long wxStartTime = 0; static wxLongLong wxStartTime = 0;
// starts the global timer // starts the global timer
void wxStartTimer() void wxStartTimer()
{ {
wxStartTime = wxGetCurrentMTime(); wxStartTime = wxGetLocalTimeMillis();
} }
// Returns elapsed time in milliseconds // Returns elapsed time in milliseconds
long wxGetElapsedTime(bool resetTimer) long wxGetElapsedTime(bool resetTimer)
{ {
long oldTime = wxStartTime; wxLongLong oldTime = wxStartTime;
long newTime = wxGetCurrentMTime(); wxLongLong newTime = wxGetLocalTimeMillis();
if ( resetTimer ) if ( resetTimer )
wxStartTime = newTime; wxStartTime = newTime;
return newTime - oldTime; return (newTime - oldTime).GetLo();
} }
// Get number of seconds since 00:00:00 GMT, Jan 1st 1970.
long wxGetCurrentTime()
{
return wxGetCurrentMTime() / 1000;
}
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
// the functions to get the current time and timezone info // the functions to get the current time and timezone info
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
// return GMT time in millisecond // Get local time as seconds since 00:00:00, Jan 1st 1970
long wxGetCurrentMTime() long wxGetLocalTime()
{ {
struct tm tm;
time_t t0, t1;
// This cannot be made static because mktime can overwrite it.
//
memset(&tm, 0, sizeof(tm));
tm.tm_year = 70;
tm.tm_mon = 0;
tm.tm_mday = 5; // not Jan 1st 1970 due to mktime 'feature'
tm.tm_hour = 0;
tm.tm_min = 0;
tm.tm_sec = 0;
tm.tm_isdst = -1; // let mktime guess
// Note that mktime assumes that the struct tm contains local time.
//
t1 = time(&t1); // now
t0 = mktime(&tm); // origin
// Return the difference in seconds.
//
if (( t0 != (time_t)-1 ) && ( t1 != (time_t)-1 ))
return (long)difftime(t1, t0) + (60 * 60 * 24 * 4);
wxLogSysError(_("Failed to get the local system time"));
return -1;
}
// Get UTC time as seconds since 00:00:00, Jan 1st 1970
long wxGetUTCTime()
{
struct tm tm, *ptm;
time_t t0, t1;
// This cannot be made static because mktime can overwrite it
//
memset(&tm, 0, sizeof(tm));
tm.tm_year = 70;
tm.tm_mon = 0;
tm.tm_mday = 5; // not Jan 1st 1970 due to mktime 'feature'
tm.tm_hour = 0;
tm.tm_min = 0;
tm.tm_sec = 0;
tm.tm_isdst = -1; // let mktime guess
// Note that mktime assumes that the struct tm contains local time.
//
t1 = time(&t1); // now
t0 = mktime(&tm); // origin in localtime
if (( t0 != (time_t)-1 ) && ( t1 != (time_t)-1 ))
{
// To get t0 as GMT we convert to a struct tm with gmtime,
// and then back again.
//
ptm = gmtime(&t0);
if (ptm)
{
memcpy(&tm, ptm, sizeof(tm));
t0 = mktime(&tm);
if (t0 != (time_t)-1 )
return (long)difftime(t1, t0) + (60 * 60 * 24 * 4);
wxLogSysError(_("Failed 2nd mktime"));
}
wxLogSysError(_("Failed gmtime"));
}
wxLogSysError(_("Failed to get the UTC system time"));
return -1;
}
// Get local time as milliseconds since 00:00:00, Jan 1st 1970
wxLongLong wxGetLocalTimeMillis()
{
// We use wxGetLocalTime() to get the seconds since
// 00:00:00 Jan 1st 1970 and then whatever is available
// to get millisecond resolution.
//
wxLongLong val = 1000 * wxGetLocalTime();
// If we got here, do not fail even if we can't get
// millisecond resolution.
//
#if defined(__WIN32__) #if defined(__WIN32__)
SYSTEMTIME st; SYSTEMTIME st;
::GetLocalTime(&st); ::GetLocalTime(&st);
return (val + st.wMilliseconds);
return 1000*(60*(60*st.wHour+st.wMinute)+st.wSecond)+st.wMilliseconds;
#else
#if defined(HAVE_LOCALTIME)
time_t t0 = time(&t0);
if ( t0 != (time_t)-1 )
{
struct tm *tp = localtime(&t0);
if ( tp )
{
return 1000*(60*(60*tp->tm_hour+tp->tm_min)+tp->tm_sec);
}
}
#elif defined(HAVE_GETTIMEOFDAY) #elif defined(HAVE_GETTIMEOFDAY)
struct timeval tp; struct timeval tp;
if ( wxGetTimeOfDay(&tp, (struct timezone *)NULL) != -1 ) if ( wxGetTimeOfDay(&tp, (struct timezone *)NULL) != -1 )
{ {
return (1000*tp.tv_sec + tp.tv_usec / 1000); return (val + (tp.tv_usec / 1000));
} }
#elif defined(HAVE_FTIME) #elif defined(HAVE_FTIME)
struct timeb tp; struct timeb tp;
if ( ftime(&tp) == 0 ) if ( ftime(&tp) == 0 )
{ {
return (1000*tp.time + tp.millitm); return (val + tp.millitm);
} }
#else
#error "no function to find the current time on this system"
#endif #endif
wxLogSysError(_("Failed to get the system time")); return val;
return -1;
#endif // __WIN32__/!__WIN32__
}
bool wxGetLocalTime(long *timeZone, int *dstObserved)
{
#if defined(HAVE_LOCALTIME) && defined(WX_GMTOFF_IN_TM)
time_t t0 = time(&t0);
if ( t0 != (time_t)-1 )
{
struct tm *tm = localtime(&t0);
if ( tm )
{
*timeZone = tm->tm_gmtoff;
*dstObserved = tm->tm_isdst;
return TRUE;
}
}
#elif defined(HAVE_GETTIMEOFDAY) && !defined(WX_GETTIMEOFDAY_NO_TZ)
struct timeval tp;
struct timezone tz;
if ( gettimeofday(&tp, &tz) != -1 )
{
*timeZone = 60*tz.tz_minuteswest;
*dstObserved = tz.tz_dsttime;
return TRUE;
}
#elif defined(HAVE_FTIME)
struct timeb tb;
if ( ftime(&tb) == 0 )
{
*timeZone = 60*tb.timezone;
*dstObserved = tb.dstflag;
}
#else // no standard function return tz info
// special hacks for known compilers
#if defined(__BORLANDC__) || defined(__VISUALC__)
*timeZone = _timezone;
*dstObserved = _daylight;
#elif defined(__SALFORDC__)
*timeZone = _timezone;
*dstObserved = daylight;
#elif defined(__VISAGECPP__)
*timeZone = _timezone;
*dstObserved = daylight;
#elif defined(__WIN32__)
TIME_ZONE_INFORMATION tzInfo;
switch ( GetTimeZoneInformation(&tzInfo) )
{
default:
wxFAIL_MSG(_T("unknown GetTimeZoneInformation return code"));
// fall through
case TIME_ZONE_ID_UNKNOWN:
case TIME_ZONE_ID_STANDARD:
*dstObserved = FALSE;
break;
case TIME_ZONE_ID_DAYLIGHT:
*dstObserved = TRUE;
break;
}
*timeZone = 60*tzInfo.Bias;
#else
wxFAIL_MSG(_T("wxGetLocalTime() not implemented"));
#endif // compiler
#endif // all ways in the known Universe to get tz info
return FALSE;
} }