/////////////////////////////////////////////////////////////////////////////
// Name: common/timercmn.cpp
-// Purpose: Common timer implementation
-// Author: Julian Smart
-// Modified by: Vadim Zeitlin on 12.11.99 to get rid of all ifdefs
+// 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
-// Licence: wxWindows license
+// Copyright: (c) Julian Smart
+// (c) 1999 Guillermo Rodriguez <guille@iies.es>
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// ============================================================================
// ----------------------------------------------------------------------------
-// headers
+// wxWin headers
// ----------------------------------------------------------------------------
#ifdef __GNUG__
#pragma hdrstop
#endif
-#ifndef WX_PRECOMP
- #include "wx/intl.h"
- #include "wx/log.h"
-#endif
-
-#include "wx/timer.h"
-
-// I'm told VMS is POSIX, so should have localtime()
-#if defined(__WXMSW__) || defined(__VMS__) || defined(__WXPM__) || defined(__WXMAC__)
- // configure might have found it already for us
- #ifndef HAVE_LOCALTIME
- #define HAVE_LOCALTIME
- #endif
-#endif
-
-// TODO: #define WX_GMTOFF_IN_TM for Windows compilers which have it here
+#if wxUSE_TIMER
-#if defined(__WIN32__) && !defined(WX_GMTOFF_IN_TM)
- #include <windows.h>
-#endif
-
-#if defined(HAVE_GETTIMEOFDAY)
- #include <sys/time.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)
- #include <sys/timeb.h>
-#else
- #error "no function to find the current time on this system"
+#ifndef WX_PRECOMP
+ #include "wx/timer.h"
#endif
// ----------------------------------------------------------------------------
-// macros
+// wxWin 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
// ============================================================================
-// ----------------------------------------------------------------------------
-// wxStopWatch
-// ----------------------------------------------------------------------------
-
-void wxStopWatch::Start(long t)
-{
- m_t0 = wxGetCurrentMTime() - t;
-
- m_pause = 0;
-}
-
-long wxStopWatch::Time() const
-{
- return m_pause ? m_pause : GetElapsedTime();
-}
-
-// ----------------------------------------------------------------------------
-// old timer functions superceded by wxStopWatch
-// ----------------------------------------------------------------------------
-
-static long wxStartTime = 0;
-
-// starts the global timer
-void wxStartTimer()
+wxTimerBase::~wxTimerBase()
{
- wxStartTime = wxGetCurrentMTime();
+ // this destructor is required for Darwin
}
-// Returns elapsed time in milliseconds
-long wxGetElapsedTime(bool resetTimer)
+void wxTimerBase::Notify()
{
- long oldTime = wxStartTime;
- long newTime = wxGetCurrentMTime();
+ // the base class version generates an event if it has owner - which it
+ // should because otherwise nobody can process timer events
+ wxCHECK_RET( m_owner, _T("wxTimer::Notify() should be overridden.") );
- if ( resetTimer )
- wxStartTime = newTime;
-
- return newTime - oldTime;
-}
-
-
-// Get number of seconds since 00:00:00 GMT, Jan 1st 1970.
-long wxGetCurrentTime()
-{
- return wxGetCurrentMTime() / 1000;
+ wxTimerEvent event(m_idTimer, m_milli);
+ (void)m_owner->ProcessEvent(event);
}
-// ----------------------------------------------------------------------------
-// the functions to get the current time and timezone info
-// ----------------------------------------------------------------------------
-
-// return GMT time in millisecond
-long wxGetCurrentMTime()
+bool wxTimerBase::Start(int milliseconds, bool oneShot)
{
-#if defined(__WIN32__)
- SYSTEMTIME st;
- ::GetLocalTime(&st);
-
- 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)
- struct timeval tp;
- if ( wxGetTimeOfDay(&tp, (struct timezone *)NULL) != -1 )
+ // 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() )
{
- return (1000*tp.tv_sec + tp.tv_usec / 1000);
+ // not stopping the already running timer might work for some
+ // platforms (no problems under MSW) but leads to mysterious crashes
+ // on the others (GTK), so to be on the safe side do it here
+ Stop();
}
-#elif defined(HAVE_FTIME)
- struct timeb tp;
- if ( ftime(&tp) == 0 )
+
+ if ( milliseconds != -1 )
{
- return (1000*tp.time + tp.millitm);
+ m_milli = milliseconds;
}
-#else
- #error "no function to find the current time on this system"
-#endif
- wxLogSysError(_("Failed to get the system time"));
+ m_oneShot = oneShot;
- return -1;
-#endif // __WIN32__/!__WIN32__
+ return TRUE;
}
-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;
+#endif // wxUSE_TIMER
- 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;
-}
projects / wxWidgets.git / blobdiff