X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2c8e47380ebbcb5764307d4a8b15e84d8ce74ccf..3bfbab1e836246cda3fdbb436ebb22a72c6986de:/src/common/timercmn.cpp

diff --git a/src/common/timercmn.cpp b/src/common/timercmn.cpp
index e0032d0dc4..67cec8530c 100644
--- a/src/common/timercmn.cpp
+++ b/src/common/timercmn.cpp
@@ -19,7 +19,7 @@
 // ============================================================================
 
 // ----------------------------------------------------------------------------
-// headers
+// wxWin headers
 // ----------------------------------------------------------------------------
 
 #ifdef __GNUG__
@@ -41,10 +41,18 @@
 #include "wx/timer.h"
 #include "wx/longlong.h"
 
+// ----------------------------------------------------------------------------
+// System headers
+// ----------------------------------------------------------------------------
+
 #if defined(__WIN32__)
     #include <windows.h>
 #endif
 
+#if defined(__WIN32__) && !defined(HAVE_FTIME)
+    #define HAVE_FTIME
+#endif
+
 #include <time.h>
 #ifndef __WXMAC__
     #include <sys/types.h>      // for time_t
@@ -90,12 +98,12 @@ wxLongLong wxGetLocalTimeMillis();
 // implementation
 // ============================================================================
 
-#if wxUSE_GUI
-
 // ----------------------------------------------------------------------------
 // wxTimerBase
 // ----------------------------------------------------------------------------
 
+#if wxUSE_GUI
+
 void wxTimerBase::Notify()
 {
     // the base class version generates an event if it has owner - which it
@@ -253,12 +261,16 @@ wxLongLong wxGetLocalTimeMillis()
         val *= tp.tv_sec;
         return (val + (tp.tv_usec / 1000));
     }
-    return 0;
+    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...)
+    // 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);
@@ -267,23 +279,28 @@ wxLongLong wxGetLocalTimeMillis()
     // 00:00:00 Jan 1st 1970 and then whatever is available
     // to get millisecond resolution.
     //
-    // TODO: This might lead to a problem if the clocks use
-    //       different sources.
+    // NOTE that this might lead to a problem if the clocks
+    // use different sources, so this approach should be
+    // avoided where possible.
 
     val *= wxGetLocalTime();
 
-#if defined (__WIN32__)
-    SYSTEMTIME st;
-    ::GetLocalTime(&st);
-    val += st.wMilliseconds;
-#elif defined(__VISAGECPP__)
+#if defined(__VISAGECPP__)
     DATETIME dt;
     ::DosGetDateTime(&dt);
     val += (dt.hundredths*10);
+#elif defined (__WIN32__)
+#warning "Possible clock skew bug in wxStopWatch!"
+    SYSTEMTIME st;
+    ::GetLocalTime(&st);
+    val += st.wMilliseconds;
 #else
+#if !defined(__VISUALC__) && !defined(__BORLANDC__)
 #warning "wxStopWatch will be up to second resolution!"
+#endif
 #endif
 
     return val;
+
 #endif
 }