/////////////////////////////////////////////////////////////////////////////
// Name: common/timercmn.cpp
-// Purpose: Common timer implementation
-// Author:
-// Original version by Julian Smart
-// Vadim Zeitlin got rid of all ifdefs (11.12.99)
-// Sylvain Bougnoux added wxStopWatch class
-// Guillermo Rodriguez <guille@iies.es> rewrote from scratch (Dic/99)
-// Modified by:
+// Purpose: wxTimerBase implementation
+// Author: Julian Smart, Guillermo Rodriguez, Vadim Zeitlin
+// Modified by: VZ: extracted all non-wxTimer stuff in stopwatch.cpp (20.06.03)
// Created: 04/01/98
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
+// Copyright: (c) Julian Smart
// (c) 1999 Guillermo Rodriguez <guille@iies.es>
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// wxWin headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "timerbase.h"
#endif
#pragma hdrstop
#endif
-#ifndef WX_PRECOMP
- #include "wx/intl.h"
- #include "wx/log.h"
-#endif
-
-#include "wx/timer.h"
-#include "wx/longlong.h"
-
-// ----------------------------------------------------------------------------
-// System headers
-// ----------------------------------------------------------------------------
-
-#if defined(__WIN32__)
- #include <windows.h>
-#endif
-
-#if defined(__WIN32__) && !defined(HAVE_FTIME) && !defined(__MWERKS__)
- #define HAVE_FTIME
-#endif
-
-#if defined(__VISAGECPP__) && !defined(HAVE_FTIME)
- #define HAVE_FTIME
-# if __IBMCPP__ >= 400
- # define ftime(x) _ftime(x)
-# endif
-#endif
-
-#if defined(__MWERKS__) && defined(__WXMSW__)
-# undef HAVE_FTIME
-# undef HAVE_GETTIMEOFDAY
-#endif
-
-#include <time.h>
-#ifndef __WXMAC__
- #include <sys/types.h> // for time_t
-#endif
+#if wxUSE_TIMER
-#if defined(HAVE_GETTIMEOFDAY)
- #include <sys/time.h>
- #include <unistd.h>
-#elif defined(HAVE_FTIME)
- #include <sys/timeb.h>
+#ifndef WX_PRECOMP
+ #include "wx/timer.h"
#endif
-#ifdef __WXMAC__
- #include <Timer.h>
- #include <DriverServices.h>
-#endif
// ----------------------------------------------------------------------------
// wxWin macros
// ----------------------------------------------------------------------------
-#if wxUSE_GUI && wxUSE_TIMER
- IMPLEMENT_DYNAMIC_CLASS(wxTimerEvent, wxEvent)
-#endif // wxUSE_GUI
-
-// ----------------------------------------------------------------------------
-// macros
-// ----------------------------------------------------------------------------
-
-// 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
- struct timezone;
- #define wxGetTimeOfDay(tv, tz) gettimeofday(tv)
- #else
- #define wxGetTimeOfDay(tv, tz) gettimeofday((tv), (tz))
- #endif
-#endif // HAVE_GETTIMEOFDAY
+IMPLEMENT_DYNAMIC_CLASS(wxTimerEvent, wxEvent)
// ============================================================================
-// implementation
+// wxTimerBase implementation
// ============================================================================
-// ----------------------------------------------------------------------------
-// wxTimerBase
-// ----------------------------------------------------------------------------
-
-#if wxUSE_GUI && wxUSE_TIMER
-
wxTimerBase::~wxTimerBase()
{
// this destructor is required for Darwin
bool wxTimerBase::Start(int milliseconds, bool oneShot)
{
+ // under MSW timers only work when they're started from the main thread so
+ // let the caller know about it
+#if wxUSE_THREADS
+ wxASSERT_MSG( wxThread::IsMain(),
+ _T("timer can only be started from the main thread") );
+#endif // wxUSE_THREADS
+
if ( IsRunning() )
{
// not stopping the already running timer might work for some
return TRUE;
}
-#endif // wxUSE_GUI
-
-// ----------------------------------------------------------------------------
-// wxStopWatch
-// ----------------------------------------------------------------------------
-
-#if wxUSE_LONGLONG
-
-void wxStopWatch::Start(long t)
-{
- m_t0 = wxGetLocalTimeMillis() - t;
- m_pause = 0;
-}
-
-long wxStopWatch::GetElapsedTime() const
-{
- return (wxGetLocalTimeMillis() - m_t0).GetLo();
-}
-
-long wxStopWatch::Time() const
-{
- return m_pauseCount ? m_pause : GetElapsedTime();
-}
-
-#endif // wxUSE_LONGLONG
-
-// ----------------------------------------------------------------------------
-// old timer functions superceded by wxStopWatch
-// ----------------------------------------------------------------------------
-
-#if wxUSE_LONGLONG
-
-static wxLongLong wxStartTime = 0l;
-
-// starts the global timer
-void wxStartTimer()
-{
- wxStartTime = wxGetLocalTimeMillis();
-}
-
-// Returns elapsed time in milliseconds
-long wxGetElapsedTime(bool resetTimer)
-{
- wxLongLong oldTime = wxStartTime;
- wxLongLong newTime = wxGetLocalTimeMillis();
-
- if ( resetTimer )
- wxStartTime = newTime;
-
- return (newTime - oldTime).GetLo();
-}
-
-#endif // wxUSE_LONGLONG
-
-// ----------------------------------------------------------------------------
-// the functions to get the current time and timezone info
-// ----------------------------------------------------------------------------
-
-// Get local time as seconds since 00:00:00, Jan 1st 1970
-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;
- struct 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(_("mktime() failed"));
- }
- else
- {
- wxLogSysError(_("gmtime() failed"));
- }
- }
-
- wxLogError(_("Failed to get the UTC system time."));
-
- return -1;
-}
-
-#if wxUSE_LONGLONG
-
-// Get local time as milliseconds since 00:00:00, Jan 1st 1970
-wxLongLong wxGetLocalTimeMillis()
-{
- wxLongLong val = 1000l;
-
- // If possible, use a function which avoids conversions from
- // broken-up time structures to milliseconds
-
-#if defined(__WXMSW__) && defined(__MWERKS__)
- // This should probably be the way all WXMSW compilers should do it
- // Go direct to the OS for time
-
- SYSTEMTIME thenst = { 1970, 1, 4, 1, 0, 0, 0, 0 }; // 00:00:00 Jan 1st 1970
- FILETIME thenft;
- SystemTimeToFileTime( &thenst, &thenft );
- wxLongLong then( thenft.dwHighDateTime, thenft.dwLowDateTime ); // time in 100 nanoseconds
-
- SYSTEMTIME nowst;
- GetLocalTime( &nowst );
- FILETIME nowft;
- SystemTimeToFileTime( &nowst, &nowft );
- wxLongLong now( nowft.dwHighDateTime, nowft.dwLowDateTime ); // time in 100 nanoseconds
-
- return ( now - then ) / 10000.0; // time from 00:00:00 Jan 1st 1970 to now in milliseconds
-
-#elif defined(HAVE_GETTIMEOFDAY)
- struct timeval tp;
- if ( wxGetTimeOfDay(&tp, (struct timezone *)NULL) != -1 )
- {
- val *= tp.tv_sec;
- return (val + (tp.tv_usec / 1000));
- }
- else
- {
- wxLogError(_("wxGetTimeOfDay failed."));
- return 0;
- }
-#elif defined(HAVE_FTIME)
- struct timeb tp;
-
- // ftime() is void and not int in some mingw32 headers, so don't
- // test the return code (well, it shouldn't fail anyhow...)
- (void)ftime(&tp);
- val *= tp.time;
- return (val + tp.millitm);
-#elif defined(__WXMAC__)
-
- unsigned long secs ;
- UInt64 gMilliAtStart = 0 ;
- Nanoseconds upTime = AbsoluteToNanoseconds( UpTime() ) ;
- if ( gMilliAtStart == 0 )
- {
- time_t start = time(NULL) ;
- gMilliAtStart = ((UInt64) start) * 1000L ;
- gMilliAtStart -= upTime.lo / 1000 ;
- gMilliAtStart -= ( ( (UInt64) upTime.hi ) << 32 ) / 1000 ;
- }
- UInt64 millival = gMilliAtStart ;
- millival += upTime.lo / 1000 ;
- millival += ( ( (UInt64) upTime.hi ) << 32 ) / 1000 ;
- return millival ;
-#else // no gettimeofday() nor ftime()
- // We use wxGetLocalTime() to get the seconds since
- // 00:00:00 Jan 1st 1970 and then whatever is available
- // to get millisecond resolution.
- //
- // NOTE that this might lead to a problem if the clocks
- // use different sources, so this approach should be
- // avoided where possible.
-
- val *= wxGetLocalTime();
-
-// GRG: This will go soon as all WIN32 seem to have ftime
-#if defined (__WIN32__)
- // If your platform/compiler needs to use two different functions
- // to get ms resolution, please do NOT just shut off these warnings,
- // drop me a line instead at <guille@iies.es>
- #warning "Possible clock skew bug in wxGetLocalTimeMillis()!"
-
- SYSTEMTIME st;
- ::GetLocalTime(&st);
- val += st.wMilliseconds;
-#else // !Win32
- // If your platform/compiler does not support ms resolution please
- // do NOT just shut off these warnings, drop me a line instead at
- // <guille@iies.es>
-
- #if defined(__VISUALC__) || defined (__WATCOMC__)
- #pragma message("wxStopWatch will be up to second resolution!")
- #elif defined(__BORLANDC__)
- #pragma message "wxStopWatch will be up to second resolution!"
- #else
- #warning "wxStopWatch will be up to second resolution!"
- #endif // compiler
-#endif
-
- return val;
-
-#endif // time functions
-}
-
-#endif // wxUSE_LONGLONG
+#endif // wxUSE_TIMER
projects / wxWidgets.git / blobdiff