removed obsolete docs

[wxWidgets.git] / src / common / timercmn.cpp

diff --git a/src/common/timercmn.cpp b/src/common/timercmn.cpp
index 67cec8530ce9e87da2d96999e197b014cfedca6e..3ff1adf9d1dc7c50ce30dfb3b8e020532e8fed06 100644 (file)
--- a/src/common/timercmn.cpp
+++ b/src/common/timercmn.cpp
@@ -53,6 +53,18 @@
     #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
@@ -69,7 +81,7 @@
 // wxWin macros
 // ----------------------------------------------------------------------------
 
-#if wxUSE_GUI
+#if wxUSE_GUI && wxUSE_TIMER
     IMPLEMENT_DYNAMIC_CLASS(wxTimerEvent, wxEvent)
 #endif // wxUSE_GUI
 
@@ -88,12 +100,6 @@
     #endif
 #endif // HAVE_GETTIMEOFDAY
 
-// ----------------------------------------------------------------------------
-// prototypes
-// ----------------------------------------------------------------------------
-
-wxLongLong wxGetLocalTimeMillis();
-
 // ============================================================================
 // implementation
 // ============================================================================
@@ -102,7 +108,7 @@ wxLongLong wxGetLocalTimeMillis();
 // wxTimerBase
 // ----------------------------------------------------------------------------
 
-#if wxUSE_GUI
+#if wxUSE_GUI && wxUSE_TIMER
 
 void wxTimerBase::Notify()
 {
@@ -114,12 +120,34 @@ void wxTimerBase::Notify()
     (void)m_owner->ProcessEvent(event);
 }
 
+bool wxTimerBase::Start(int milliseconds, bool oneShot)
+{
+    if ( IsRunning() )
+    {
+        // 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();
+    }
+
+    if ( milliseconds != -1 )
+    {
+        m_milli = milliseconds;
+    }
+
+    m_oneShot = oneShot;
+
+    return TRUE;
+}
+
 #endif // wxUSE_GUI
 
 // ----------------------------------------------------------------------------
 // wxStopWatch
 // ----------------------------------------------------------------------------
 
+#if wxUSE_LONGLONG
+
 void wxStopWatch::Start(long t)
 {
     m_t0 = wxGetLocalTimeMillis() - t;
@@ -136,10 +164,14 @@ long wxStopWatch::Time() const
     return (m_pause ? m_pause : GetElapsedTime());
 }
 
+#endif // wxUSE_LONGLONG
+
 // ----------------------------------------------------------------------------
 // old timer functions superceded by wxStopWatch
 // ----------------------------------------------------------------------------
 
+#if wxUSE_LONGLONG
+
 static wxLongLong wxStartTime = 0l;
 
 // starts the global timer
@@ -160,6 +192,7 @@ long wxGetElapsedTime(bool resetTimer)
     return (newTime - oldTime).GetLo();
 }
 
+#endif // wxUSE_LONGLONG
 
 // ----------------------------------------------------------------------------
 // the functions to get the current time and timezone info
@@ -199,7 +232,8 @@ long wxGetLocalTime()
 // Get UTC time as seconds since 00:00:00, Jan 1st 1970
 long wxGetUTCTime()
 {
-    struct tm tm, *ptm;
+    struct tm tm;
+    struct tm *ptm;
     time_t t0, t1;
 
     // This cannot be made static because mktime can overwrite it
@@ -245,14 +279,15 @@ long wxGetUTCTime()
     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 functin which avoids conversions from
-    // broken-up time structures to milliseconds,
+    // If possible, use a function which avoids conversions from
+    // broken-up time structures to milliseconds
 
 #if defined(HAVE_GETTIMEOFDAY)
     struct timeval tp;
@@ -274,7 +309,7 @@ wxLongLong wxGetLocalTimeMillis()
     (void)ftime(&tp);
     val *= tp.time;
     return (val + tp.millitm);
-#else
+#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.
@@ -285,22 +320,34 @@ wxLongLong wxGetLocalTimeMillis()
 
     val *= wxGetLocalTime();
 
-#if defined(__VISAGECPP__)
-    DATETIME dt;
-    ::DosGetDateTime(&dt);
-    val += (dt.hundredths*10);
-#elif defined (__WIN32__)
-#warning "Possible clock skew bug in wxStopWatch!"
+// 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
-#if !defined(__VISUALC__) && !defined(__BORLANDC__)
-#warning "wxStopWatch will be up to second resolution!"
-#endif
+#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
+#endif // time functions
 }
+
+#endif // wxUSE_LONGLONG
+