Factorize timercmm.cpp code

Added wxGetCurrentUtime
Put extern declaration in wx/timer.h instead of wx/*/timer.h
Added wxChrono class


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3754 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/timer.h

@@ -24,22 +24,6 @@
 
 class wxTimer;
 
-//-----------------------------------------------------------------------------
-// global functions
-//-----------------------------------------------------------------------------
-
-/* Timer functions (milliseconds) */
-void wxStartTimer();
-
-/* Gets time since last wxStartTimer or wxGetElapsedTime */
-long wxGetElapsedTime(bool resetTimer = TRUE);
-
-/* EXPERIMENTAL: comment this out if it doesn't compile. */
-bool wxGetLocalTime(long *timeZone, int *dstObserved);
-
-/* Get number of seconds since 00:00:00 GMT, Jan 1st 1970. */
-long wxGetCurrentTime();
-
 //-----------------------------------------------------------------------------
 // wxTimer
 //-----------------------------------------------------------------------------

include/wx/gtk1/timer.h

@@ -24,22 +24,6 @@
 
 class wxTimer;
 
-//-----------------------------------------------------------------------------
-// global functions
-//-----------------------------------------------------------------------------
-
-/* Timer functions (milliseconds) */
-void wxStartTimer();
-
-/* Gets time since last wxStartTimer or wxGetElapsedTime */
-long wxGetElapsedTime(bool resetTimer = TRUE);
-
-/* EXPERIMENTAL: comment this out if it doesn't compile. */
-bool wxGetLocalTime(long *timeZone, int *dstObserved);
-
-/* Get number of seconds since 00:00:00 GMT, Jan 1st 1970. */
-long wxGetCurrentTime();
-
 //-----------------------------------------------------------------------------
 // wxTimer
 //-----------------------------------------------------------------------------

include/wx/mac/timer.h

@@ -49,16 +49,5 @@ private:
  * But you may need to modify timercmn.cpp.
  */
 
-// Timer functions (milliseconds)
-void WXDLLEXPORT wxStartTimer();
-// Gets time since last wxStartTimer or wxGetElapsedTime
-long WXDLLEXPORT wxGetElapsedTime(bool resetTimer = TRUE);
-
-// EXPERIMENTAL: comment this out if it doesn't compile.
-bool WXDLLEXPORT wxGetLocalTime(long *timeZone, int *dstObserved);
-
-// Get number of seconds since 00:00:00 GMT, Jan 1st 1970.
-long WXDLLEXPORT wxGetCurrentTime();
-
 #endif
     // _WX_TIMER_H_

include/wx/motif/timer.h

@@ -44,16 +44,5 @@ protected:
  * But you may need to modify timercmn.cpp.
  */
 
-// Timer functions (milliseconds)
-void WXDLLEXPORT wxStartTimer();
-// Gets time since last wxStartTimer or wxGetElapsedTime
-long WXDLLEXPORT wxGetElapsedTime(bool resetTimer = TRUE);
-
-// EXPERIMENTAL: comment this out if it doesn't compile.
-bool WXDLLEXPORT wxGetLocalTime(long *timeZone, int *dstObserved);
-
-// Get number of seconds since 00:00:00 GMT, Jan 1st 1970.
-long WXDLLEXPORT wxGetCurrentTime();
-
 #endif
     // _WX_TIMER_H_

include/wx/msw/timer.h

@@ -47,16 +47,5 @@ private:
     DECLARE_ABSTRACT_CLASS(wxTimer)
 };
 
-// Timer functions (milliseconds)
-void WXDLLEXPORT wxStartTimer();
-// Gets time since last wxStartTimer or wxGetElapsedTime
-long WXDLLEXPORT wxGetElapsedTime(bool resetTimer = TRUE);
-
-// EXPERIMENTAL: comment this out if it doesn't compile.
-bool WXDLLEXPORT wxGetLocalTime(long *timeZone, int *dstObserved);
-
-// Get number of seconds since 00:00:00 GMT, Jan 1st 1970.
-long WXDLLEXPORT wxGetCurrentTime();
-
 #endif
     // _WX_TIMERH_

include/wx/qt/timer.h

@@ -49,16 +49,5 @@ private:
  * But you may need to modify timercmn.cpp.
  */
 
-// Timer functions (milliseconds)
-void WXDLLEXPORT wxStartTimer();
-// Gets time since last wxStartTimer or wxGetElapsedTime
-long WXDLLEXPORT wxGetElapsedTime(bool resetTimer = TRUE);
-
-// EXPERIMENTAL: comment this out if it doesn't compile.
-bool WXDLLEXPORT wxGetLocalTime(long *timeZone, int *dstObserved);
-
-// Get number of seconds since 00:00:00 GMT, Jan 1st 1970.
-long WXDLLEXPORT wxGetCurrentTime();
-
 #endif
     // _WX_TIMER_H_

include/wx/stubs/timer.h

@@ -49,16 +49,5 @@ private:
  * But you may need to modify timercmn.cpp.
  */
 
-// Timer functions (milliseconds)
-void WXDLLEXPORT wxStartTimer();
-// Gets time since last wxStartTimer or wxGetElapsedTime
-long WXDLLEXPORT wxGetElapsedTime(bool resetTimer = TRUE);
-
-// EXPERIMENTAL: comment this out if it doesn't compile.
-bool WXDLLEXPORT wxGetLocalTime(long *timeZone, int *dstObserved);
-
-// Get number of seconds since 00:00:00 GMT, Jan 1st 1970.
-long WXDLLEXPORT wxGetCurrentTime();
-
 #endif
     // _WX_TIMER_H_

include/wx/timer.h

@@ -17,5 +17,36 @@
 #include "wx/stubs/timer.h"
 #endif
 
+class wxChrono
+{
+public: 
+  wxChrono();
+  
+  void Start(long t=0);
+  void Pause();
+  void Resume();
+
+  long Time();
+
+private:
+  long m_t0;
+  long m_pause;
+};
+
+// Timer functions (milliseconds)
+void WXDLLEXPORT wxStartTimer();
+
+// Gets time since last wxStartTimer or wxGetElapsedTime
+long WXDLLEXPORT wxGetElapsedTime(bool resetTimer = TRUE);
+
+// EXPERIMENTAL: comment this out if it doesn't compile.
+bool WXDLLEXPORT wxGetLocalTime(long *timeZone, int *dstObserved);
+
+// Get number of seconds since 00:00:00 GMT, Jan 1st 1970.
+long WXDLLEXPORT wxGetCurrentTime();
+
+// Get number of milliseconds since 00:00:00 GMT, Jan 1st 1970.
+long WXDLLEXPORT wxGetCurrentUTime();
+
 #endif
     // _WX_TIMER_H_BASE_

src/common/timercmn.cpp

@@ -73,31 +73,28 @@ extern "C" int gettimeofday(struct timeval *tp, void *);
 long wxStartTime = 0;
 void wxStartTimer(void)
 {
-#if defined(__EMX__) || defined(__xlC__) || defined(__AIX__) || defined(__SVR4__) || defined(__SYSV__) || \
+  wxStartTime=wxGetCurrentUTime();
-    (defined(__GNUWIN32__) && !defined(__MINGW32__)) // || defined(__AIXV3__)
-  struct timeval tp;
-#if defined(__EMX__) || defined(__SYSV__) || (defined (__GNUWIN32__) && !defined (__MINGW32__))
-  gettimeofday(&tp, (struct timezone *)NULL);
-#else
-  gettimeofday(&tp);
-#endif
-  wxStartTime = 1000*tp.tv_sec + tp.tv_usec/1000;
-#elif (defined(__SC__) || defined(__SGI__) || defined(___BSDI__) || defined(__ALPHA__) || \
-       defined(__MINGW32__) || defined(__MWERKS__) || defined(__FreeBSD__) )
-  time_t t0;
-  struct tm *tp;
-  time(&t0);
-  tp = localtime(&t0);
-  wxStartTime = 1000*(60*(60*tp->tm_hour+tp->tm_min)+tp->tm_sec);
-#else
-  struct timeb tp;
-  ftime(&tp);
-  wxStartTime = 1000*tp.time + tp.millitm;
-#endif
 }
 
 // Returns elapsed time in milliseconds
 long wxGetElapsedTime(bool resetTimer)
+{
+  long oldTime = wxStartTime;
+  long newTime=wxGetCurrentUTime();
+
+  if (resetTimer) wxStartTime = newTime;
+  return newTime - oldTime;
+}
+
+
+// Get number of seconds since 00:00:00 GMT, Jan 1st 1970.
+long wxGetCurrentTime(void)
+{
+  return wxGetCurrentUTime()/1000;
+}
+
+// return GMT time in millisecond
+long wxGetCurrentUTime()
 {
 #if defined(__xlC__) || defined(__AIX__) || defined(__SVR4__) || defined(__SYSV__) || \
     (defined(__GNUWIN32__) && !defined(__MINGW32__)) // || defined(__AIXV3__)
@@ -107,31 +104,57 @@ long wxGetElapsedTime(bool resetTimer)
 #else
   gettimeofday(&tp);
 #endif
-  long oldTime = wxStartTime;
+  return (1000*tp.tv_sec + tp.tv_usec / 1000);
-  long newTime = 1000*tp.tv_sec + tp.tv_usec / 1000;
-  if (resetTimer)
-    wxStartTime = newTime;
 #elif (defined(__SC__) || defined(__SGI__) || defined(___BSDI__) || defined(__ALPHA__) || \
   defined(__MINGW32__)|| defined(__MWERKS__) || defined(__FreeBSD__))
   time_t t0;
   struct tm *tp;
   time(&t0);
   tp = localtime(&t0);
-  long oldTime = wxStartTime;
+  return 1000*(60*(60*tp->tm_hour+tp->tm_min)+tp->tm_sec);
-  long newTime = 1000*(60*(60*tp->tm_hour+tp->tm_min)+tp->tm_sec);
-  if (resetTimer)
-    wxStartTime = newTime;
 #else
   struct timeb tp;
   ftime(&tp);
-  long oldTime = wxStartTime;
+  return (1000*tp.time + tp.millitm);
-  long newTime = 1000*tp.time + tp.millitm;
-  if (resetTimer)
-    wxStartTime = newTime;
 #endif
-  return newTime - oldTime;
 }
 
+//---------------
+// wxChrono class
+// This class encapsulates the above fonctions,
+// such that several wxChrono can be created 
+// simultaneously
+
+wxChrono::wxChrono()
+{
+  Start();
+}
+
+void wxChrono::Start(long t)
+{
+  m_t0=wxGetCurrentUTime()-t;
+  m_pause=0;
+}
+
+void wxChrono::Pause()
+{
+  m_pause=wxGetCurrentUTime()-m_t0;
+}
+
+void wxChrono::Resume()
+{
+  m_t0=wxGetCurrentUTime()-m_pause;
+  m_pause=0;
+}
+
+long wxChrono::Time()
+{
+  if (m_pause) return m_pause;
+  return wxGetCurrentUTime()-m_t0;
+}
+
+
+
 // EXPERIMENTAL: comment this out if it doesn't compile.
 #ifndef __VMS__
 bool wxGetLocalTime(long *timeZone, int *dstObserved)
@@ -205,27 +228,3 @@ bool wxGetLocalTime(long *timeZone, int *dstObserved)
   return TRUE;
 }
 #endif
-
-// Get number of seconds since 00:00:00 GMT, Jan 1st 1970.
-long wxGetCurrentTime(void)
-{
-#if defined(__xlC__) || defined(__AIX__) || defined(__SVR4__) || defined(__SYSV__) // || defined(__AIXV3__)
-  struct timeval tp;
-#if defined(__SYSV__) || (defined (__GNUWIN32__) && !defined (__MINGW32__) || defined(__FreeBSD__))
-  gettimeofday(&tp, (struct timezone *)NULL);
-#else
-  gettimeofday(&tp);
-#endif
-  return tp.tv_sec;
-#else // (defined(__SC__) || defined(__SGI__) || defined(___BSDI__) || defined(__ALPHA__))
-  return time(0);
-#endif
-/*
-#else
-  struct timeb tp;
-  ftime(&tp);
-  return tp.time;
-#endif
-*/
-}
-