wxAtof implementation independent of (the rest of) wxNEED_WX_STDLIB_H

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

diff --git a/src/common/log.cpp b/src/common/log.cpp
index 083eca45237f4b02540c6ac61df294450491b90b..1ba86880833f2b0f050c3fb8615fd432bd63ef38 100644 (file)
--- a/src/common/log.cpp
+++ b/src/common/log.cpp
@@ -29,17 +29,20 @@
 
 // wxWindows
 #ifndef WX_PRECOMP
 
 // wxWindows
 #ifndef WX_PRECOMP

+  #include  <wx/event.h>

   #include  <wx/app.h>
   #include  <wx/string.h>
   #include  <wx/intl.h>
   #include  <wx/app.h>
   #include  <wx/string.h>
   #include  <wx/intl.h>

-
-  #include  <wx/generic/msgdlgg.h>
+  #include  <wx/menu.h>
+  #include  <wx/frame.h>
+  #include  <wx/msgdlg.h>

   #include  <wx/filedlg.h>
   #include  <wx/textctrl.h>
 #endif //WX_PRECOMP
 
 #include  <wx/file.h>
 #include  <wx/textfile.h>
   #include  <wx/filedlg.h>
   #include  <wx/textctrl.h>
 #endif //WX_PRECOMP
 
 #include  <wx/file.h>
 #include  <wx/textfile.h>

+#include  <wx/utils.h>

 #include  <wx/log.h>
 
 // other standard headers
 #include  <wx/log.h>
 
 // other standard headers


@@ -47,11 +50,13 @@
 #include  <stdlib.h>
 #include  <time.h>
 
 #include  <stdlib.h>
 #include  <time.h>
 

-// _WINDOWS_ is defined when windows.h is included,
-// __WINDOWS__ is defined for MS Windows compilation
-#if       defined(__WINDOWS__) && !defined(_WINDOWS_)
+#ifdef  __WXMSW__

   #include  <windows.h>
   #include  <windows.h>

-#endif  //windows.h
+  // Redefines OutputDebugString if necessary
+  #include  "wx/msw/private.h"
+#else   //Unix
+  #include  <signal.h>
+#endif  //Win/Unix

 
 // ----------------------------------------------------------------------------
 // non member functions
 
 // ----------------------------------------------------------------------------
 // non member functions


@@ -64,6 +69,14 @@
   static void wxLogWrap(FILE *f, const char *pszPrefix, const char *psz);
 #endif
 
   static void wxLogWrap(FILE *f, const char *pszPrefix, const char *psz);
 #endif
 

+// ----------------------------------------------------------------------------
+// global variables
+// ----------------------------------------------------------------------------
+
+// we use a global variable to store the frame pointer for wxLogStatus - bad,
+// but it's he easiest way
+static wxFrame *gs_pFrame; // FIXME MT-unsafe
+

 // ============================================================================
 // implementation
 // ============================================================================
 // ============================================================================
 // implementation
 // ============================================================================


@@ -79,32 +92,32 @@
 // work!), so we use a static buffer for all log messages
 #define LOG_BUFFER_SIZE   (4096)
 
 // work!), so we use a static buffer for all log messages
 #define LOG_BUFFER_SIZE   (4096)
 

-// static buffer for error messages (@@@ MT-unsafe)
-static char s_szBuf[LOG_BUFFER_SIZE];
+// static buffer for error messages (FIXME MT-unsafe)
+static wxChar s_szBuf[LOG_BUFFER_SIZE];

 
 // generic log function
 
 // generic log function

-void wxLogGeneric(wxLogLevel level, wxTString strFormat, ...)
+void wxLogGeneric(wxLogLevel level, const wxChar *szFormat, ...)

 {
   if ( wxLog::GetActiveTarget() != NULL ) {
     va_list argptr;
 {
   if ( wxLog::GetActiveTarget() != NULL ) {
     va_list argptr;

-    va_start(argptr, strFormat);
-    vsprintf(s_szBuf, strFormat, argptr);
+    va_start(argptr, szFormat);
+    wxVsprintf(s_szBuf, szFormat, argptr);

     va_end(argptr);
 
     va_end(argptr);
 

-    wxLog::OnLog(level, s_szBuf);
+    wxLog::OnLog(level, s_szBuf, time(NULL));

   }
 }
 
 #define IMPLEMENT_LOG_FUNCTION(level)                             \
   }
 }
 
 #define IMPLEMENT_LOG_FUNCTION(level)                             \

-  void wxLog##level(wxTString strFormat, ...)                     \
+  void wxLog##level(const wxChar *szFormat, ...)                  \

   {                                                               \
     if ( wxLog::GetActiveTarget() != NULL ) {                     \
       va_list argptr;                                             \
   {                                                               \
     if ( wxLog::GetActiveTarget() != NULL ) {                     \
       va_list argptr;                                             \

-      va_start(argptr, strFormat);                                \
-      vsprintf(s_szBuf, strFormat, argptr);                       \
+      va_start(argptr, szFormat);                                 \
+      wxVsprintf(s_szBuf, szFormat, argptr);                      \

       va_end(argptr);                                             \
                                                                   \
       va_end(argptr);                                             \
                                                                   \

-      wxLog::OnLog(wxLOG_##level, s_szBuf);                       \
+      wxLog::OnLog(wxLOG_##level, s_szBuf, time(NULL));           \

     }                                                             \
   }
 
     }                                                             \
   }
 


@@ -115,49 +128,81 @@ IMPLEMENT_LOG_FUNCTION(Message)
 IMPLEMENT_LOG_FUNCTION(Info)
 IMPLEMENT_LOG_FUNCTION(Status)
 
 IMPLEMENT_LOG_FUNCTION(Info)
 IMPLEMENT_LOG_FUNCTION(Status)
 

+// accepts an additional argument which tells to which frame the output should
+// be directed
+void wxLogStatus(wxFrame *pFrame, const wxChar *szFormat, ...)
+{
+  wxLog *pLog = wxLog::GetActiveTarget();
+  if ( pLog != NULL ) {
+    va_list argptr;
+    va_start(argptr, szFormat);
+    wxVsprintf(s_szBuf, szFormat, argptr);
+    va_end(argptr);
+
+    wxASSERT( gs_pFrame == NULL ); // should be reset!
+    gs_pFrame = pFrame;
+    wxLog::OnLog(wxLOG_Status, s_szBuf, time(NULL));
+    gs_pFrame = (wxFrame *) NULL;
+  }
+}
+

 // same as info, but only if 'verbose' mode is on
 // same as info, but only if 'verbose' mode is on

-void wxLogVerbose(wxTString strFormat, ...)
+void wxLogVerbose(const wxChar *szFormat, ...)

 {
   wxLog *pLog = wxLog::GetActiveTarget();
   if ( pLog != NULL && pLog->GetVerbose() ) {
     va_list argptr;
 {
   wxLog *pLog = wxLog::GetActiveTarget();
   if ( pLog != NULL && pLog->GetVerbose() ) {
     va_list argptr;

-    va_start(argptr, strFormat);
-    vsprintf(s_szBuf, strFormat, argptr);
+    va_start(argptr, szFormat);
+    wxVsprintf(s_szBuf, szFormat, argptr);

     va_end(argptr);
 
     va_end(argptr);
 

-    wxLog::OnLog(wxLOG_Info, s_szBuf);
+    wxLog::OnLog(wxLOG_Info, s_szBuf, time(NULL));

   }
 }
 
 // debug functions
   }
 }
 
 // debug functions

-#ifdef __DEBUG__
+#ifdef __WXDEBUG__

 #define IMPLEMENT_LOG_DEBUG_FUNCTION(level)                       \
 #define IMPLEMENT_LOG_DEBUG_FUNCTION(level)                       \

-  void wxLog##level(const char *szFormat, ...)                    \
+  void wxLog##level(const wxChar *szFormat, ...)                  \

   {                                                               \
     if ( wxLog::GetActiveTarget() != NULL ) {                     \
       va_list argptr;                                             \
       va_start(argptr, szFormat);                                 \
   {                                                               \
     if ( wxLog::GetActiveTarget() != NULL ) {                     \
       va_list argptr;                                             \
       va_start(argptr, szFormat);                                 \

-      vsprintf(s_szBuf, szFormat, argptr);                        \
+      wxVsprintf(s_szBuf, szFormat, argptr);                      \

       va_end(argptr);                                             \
                                                                   \
       va_end(argptr);                                             \
                                                                   \

-      wxLog::OnLog(wxLOG_##level, s_szBuf);                       \
+      wxLog::OnLog(wxLOG_##level, s_szBuf, time(NULL));           \

     }                                                             \
   }
 
     }                                                             \
   }
 

-  void wxLogTrace(wxTraceMask mask, const char *szFormat, ...)
+  void wxLogTrace(const wxChar *mask, const wxChar *szFormat, ...)
+  {
+    wxLog *pLog = wxLog::GetActiveTarget();
+
+    if ( pLog != NULL && wxLog::IsAllowedTraceMask(mask) ) {
+      va_list argptr;
+      va_start(argptr, szFormat);
+      wxVsprintf(s_szBuf, szFormat, argptr);
+      va_end(argptr);
+
+      wxLog::OnLog(wxLOG_Trace, s_szBuf, time(NULL));
+    }
+  }
+
+  void wxLogTrace(wxTraceMask mask, const wxChar *szFormat, ...)

   {
     wxLog *pLog = wxLog::GetActiveTarget();
 
     // we check that all of mask bits are set in the current mask, so
     // that wxLogTrace(wxTraceRefCount | wxTraceOle) will only do something
     // if both bits are set.
   {
     wxLog *pLog = wxLog::GetActiveTarget();
 
     // we check that all of mask bits are set in the current mask, so
     // that wxLogTrace(wxTraceRefCount | wxTraceOle) will only do something
     // if both bits are set.

-    if ( pLog != NULL && (pLog->GetTraceMask() & mask == mask) ) {
+    if ( pLog != NULL && ((pLog->GetTraceMask() & mask) == mask) ) {

       va_list argptr;
       va_start(argptr, szFormat);
       va_list argptr;
       va_start(argptr, szFormat);

-      vsprintf(s_szBuf, szFormat, argptr);
+      wxVsprintf(s_szBuf, szFormat, argptr);

       va_end(argptr);
 
       va_end(argptr);
 

-      wxLog::OnLog(wxLOG_Trace, s_szBuf);
+      wxLog::OnLog(wxLOG_Trace, s_szBuf, time(NULL));

     }
   }
 
     }
   }
 


@@ -174,31 +219,31 @@ IMPLEMENT_LOG_DEBUG_FUNCTION(Trace)
 // common part of both wxLogSysError
 void wxLogSysErrorHelper(long lErrCode)
 {
 // common part of both wxLogSysError
 void wxLogSysErrorHelper(long lErrCode)
 {

-  char szErrMsg[LOG_BUFFER_SIZE / 2];
-  sprintf(szErrMsg, _(" (error %ld: %s)"), lErrCode, wxSysErrorMsg(lErrCode));
-  strncat(s_szBuf, szErrMsg, WXSIZEOF(s_szBuf) - strlen(s_szBuf));
+    wxChar szErrMsg[LOG_BUFFER_SIZE / 2];
+    wxSprintf(szErrMsg, _(" (error %ld: %s)"), lErrCode, wxSysErrorMsg(lErrCode));
+    wxStrncat(s_szBuf, szErrMsg, WXSIZEOF(s_szBuf) - wxStrlen(s_szBuf));

 
 

-  wxLog::OnLog(wxLOG_Error, s_szBuf);
+    wxLog::OnLog(wxLOG_Error, s_szBuf, time(NULL));

 }
 
 }
 

-void WXDLLEXPORT wxLogSysError(wxTString strFormat, ...)
+void WXDLLEXPORT wxLogSysError(const wxChar *szFormat, ...)

 {
 {

-  va_list argptr;
-  va_start(argptr, strFormat);
-  vsprintf(s_szBuf, strFormat, argptr);
-  va_end(argptr);
+    va_list argptr;
+    va_start(argptr, szFormat);
+    wxVsprintf(s_szBuf, szFormat, argptr);
+    va_end(argptr);

 
 

-  wxLogSysErrorHelper(wxSysErrorCode());
+    wxLogSysErrorHelper(wxSysErrorCode());

 }
 
 }
 

-void WXDLLEXPORT wxLogSysError(long lErrCode, wxTString strFormat, ...)
+void WXDLLEXPORT wxLogSysError(long lErrCode, const wxChar *szFormat, ...)

 {
 {

-  va_list argptr;
-  va_start(argptr, strFormat);
-  vsprintf(s_szBuf, strFormat, argptr);
-  va_end(argptr);
+    va_list argptr;
+    va_start(argptr, szFormat);
+    wxVsprintf(s_szBuf, szFormat, argptr);
+    va_end(argptr);

 
 

-  wxLogSysErrorHelper(lErrCode);
+    wxLogSysErrorHelper(lErrCode);

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -207,115 +252,116 @@ void WXDLLEXPORT wxLogSysError(long lErrCode, wxTString strFormat, ...)
 
 wxLog::wxLog()
 {
 
 wxLog::wxLog()
 {

-  m_bHasMessages = FALSE;
-  m_bVerbose     = FALSE;
-  m_szTimeFormat = "[%d/%b/%y %H:%M:%S] ";
-  m_ulTraceMask  = (wxTraceMask)-1;        // set all bits
+    m_bHasMessages = FALSE;
+
+    // enable verbose messages by default in the debug builds
+#ifdef __WXDEBUG__
+    m_bVerbose = TRUE;
+#else // release
+    m_bVerbose = FALSE;
+#endif // debug/release

 }
 
 }
 

-wxLog *wxLog::GetActiveTarget() 
-{ 
-  if ( !ms_bInitialized ) {
-    // prevent infinite recursion if someone calls wxLogXXX() from
-    // wxApp::CreateLogTarget()
-    ms_bInitialized = TRUE;
+wxLog *wxLog::GetActiveTarget()
+{
+    if ( ms_bAutoCreate && ms_pLogger == NULL ) {
+        // prevent infinite recursion if someone calls wxLogXXX() from
+        // wxApp::CreateLogTarget()
+        static bool s_bInGetActiveTarget = FALSE;
+        if ( !s_bInGetActiveTarget ) {
+            s_bInGetActiveTarget = TRUE;
+
+#ifdef  wxUSE_NOGUI
+            ms_pLogger = new wxLogStderr;
+#else
+            // ask the application to create a log target for us
+            if ( wxTheApp != NULL )
+                ms_pLogger = wxTheApp->CreateLogTarget();
+            else
+                ms_pLogger = new wxLogStderr;
+#endif

 
 

-    #ifdef  WX_TEST_MINIMAL
-      ms_pLogger = new wxLogStderr;
-    #else
-      // ask the application to create a log target for us
-      ms_pLogger = wxTheApp->CreateLogTarget();
-    #endif
+            s_bInGetActiveTarget = FALSE;

 
 

-    // do nothing if it fails - what can we do?
-  }
+            // do nothing if it fails - what can we do?
+        }
+    }

 
 

-  return ms_pLogger; 
+    return ms_pLogger;

 }
 
 wxLog *wxLog::SetActiveTarget(wxLog *pLogger)
 }
 
 wxLog *wxLog::SetActiveTarget(wxLog *pLogger)

-{ 
-  // flush the old messages before changing
-  if ( ms_pLogger != NULL )
-    ms_pLogger->Flush();
+{
+    if ( ms_pLogger != NULL ) {
+        // flush the old messages before changing because otherwise they might
+        // get lost later if this target is not restored
+        ms_pLogger->Flush();
+    }

 
 

-  ms_bInitialized = TRUE;
+    wxLog *pOldLogger = ms_pLogger;
+    ms_pLogger = pLogger;

 
 

-  wxLog *pOldLogger = ms_pLogger; 
-  ms_pLogger = pLogger; 
-  return pOldLogger; 
+    return pOldLogger;

 }
 
 }
 

-void wxLog::DoLog(wxLogLevel level, const char *szString)
+void wxLog::RemoveTraceMask(const wxString& str)

 {
 {

-  wxString str;
-
-  // prepend a timestamp if not disabled
-  if ( !IsEmpty(m_szTimeFormat) ) {
-    char szBuf[128];
-    time_t timeNow;
-    struct tm *ptmNow;
+    int index = ms_aTraceMasks.Index(str);
+    if ( index != wxNOT_FOUND )
+        ms_aTraceMasks.Remove((size_t)index);
+}

 
 

-    time(&timeNow);
-    ptmNow = localtime(&timeNow);
+void wxLog::DoLog(wxLogLevel level, const wxChar *szString, time_t t)
+{
+    wxString str;
+
+    switch ( level ) {
+        case wxLOG_FatalError:
+            DoLogString(str << _("Fatal error: ") << szString, t);
+            DoLogString(_("Program aborted."), t);
+            Flush();
+            abort();
+            break;
+
+        case wxLOG_Error:
+            DoLogString(str << _("Error: ") << szString, t);
+            break;
+
+        case wxLOG_Warning:
+            DoLogString(str << _("Warning: ") << szString, t);
+            break;
+
+        case wxLOG_Info:
+        case wxLOG_Message:
+            if ( GetVerbose() )
+                DoLogString(str + szString, t);
+            // fall through
+
+        case wxLOG_Status:
+            // nothing to do
+            break;
+
+        case wxLOG_Trace:
+        case wxLOG_Debug:
+#ifdef __WXDEBUG__
+            DoLogString(szString, t);
+#endif

 
 

-    strftime(szBuf, WXSIZEOF(szBuf), m_szTimeFormat, ptmNow);
-    str = szBuf;
-  }
+            break;

 
 

-  switch ( level ) {
-    case wxLOG_FatalError:
-      DoLogString(str << _("Fatal error: ") << szString);
-      DoLogString(_("Program aborted."));
-      Flush();
-      abort();
-      break;
-
-    case wxLOG_Error:
-      DoLogString(str << _("Error: ") << szString);
-      break;
-
-    case wxLOG_Warning:
-      DoLogString(str << _("Warning: ") << szString);
-      break;
-
-    case wxLOG_Info:
-      if ( GetVerbose() )
-    case wxLOG_Message:
-        DoLogString(str + szString);
-      // fall through
-
-    case wxLOG_Status:
-      // nothing to do
-      break;
-
-    case wxLOG_Trace:
-    case wxLOG_Debug:
-      #ifdef __DEBUG__
-        #ifdef  __WIN32__
-          // in addition to normal logging, also send the string to debugger
-          // (don't prepend "Debug" here: it will go to debug window anyhow)
-          ::OutputDebugString(str + szString + "\n\r");
-        #endif  //Win32
-        DoLogString(str << (level == wxLOG_Trace ? "Trace" : "Debug")
-                        << ": " << szString);
-      #endif
-            
-      break;
-
-    default:
-      wxFAIL_MSG("unknown log level in wxLog::DoLog");
-  }
+        default:
+            wxFAIL_MSG(_("unknown log level in wxLog::DoLog"));
+    }

 }
 
 }
 

-void wxLog::DoLogString(const char *szString)
+void wxLog::DoLogString(const wxChar *WXUNUSED(szString), time_t t)

 {
 {

-  wxFAIL_MSG("DoLogString must be overrided if it's called.");
+    wxFAIL_MSG(_T("DoLogString must be overriden if it's called."));

 }
 
 void wxLog::Flush()
 {
 }
 
 void wxLog::Flush()
 {

-  // do nothing
+    // do nothing

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -324,360 +370,488 @@ void wxLog::Flush()
 
 wxLogStderr::wxLogStderr(FILE *fp)
 {
 
 wxLogStderr::wxLogStderr(FILE *fp)
 {

-  if ( fp == NULL )
-    m_fp = stderr;
-  else
-    m_fp = fp;
+    if ( fp == NULL )
+        m_fp = stderr;
+    else
+        m_fp = fp;

 }
 
 }
 

-void wxLogStderr::DoLogString(const char *szString)
+void wxLogStderr::DoLogString(const wxChar *szString, time_t t)

 {
 {

-  fputs(szString, m_fp);
-  fputc('\n', m_fp);
-  fflush(m_fp);
+    wxString str(szString);
+    str << _T('\n');
+
+    fputs(str.mb_str(), m_fp);
+    fflush(m_fp);
+
+    // under Windows, programs usually don't have stderr at all, so make show the
+    // messages also under debugger
+#ifdef __WXMSW__
+    OutputDebugString(str + _T('\r'));
+#endif // MSW

 }
 
 // ----------------------------------------------------------------------------
 // wxLogStream implementation
 // ----------------------------------------------------------------------------
 
 }
 
 // ----------------------------------------------------------------------------
 // wxLogStream implementation
 // ----------------------------------------------------------------------------
 

+#if wxUSE_STD_IOSTREAM

 wxLogStream::wxLogStream(ostream *ostr)
 {
 wxLogStream::wxLogStream(ostream *ostr)
 {

-  if ( ostr == NULL )
-    m_ostr = &cerr;
-  else
-    m_ostr = ostr;
+    if ( ostr == NULL )
+        m_ostr = &cerr;
+    else
+        m_ostr = ostr;

 }
 
 }
 

-void wxLogStream::DoLogString(const char *szString)
+void wxLogStream::DoLogString(const wxChar *szString, time_t t)

 {
 {

-  (*m_ostr) << szString << endl << flush;
+    (*m_ostr) << szString << endl << flush;

 }
 }

+#endif // wxUSE_STD_IOSTREAM
+
+#ifndef wxUSE_NOGUI

 
 // ----------------------------------------------------------------------------
 // wxLogTextCtrl implementation
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // wxLogTextCtrl implementation
 // ----------------------------------------------------------------------------

+
+#if wxUSE_STD_IOSTREAM

 wxLogTextCtrl::wxLogTextCtrl(wxTextCtrl *pTextCtrl)
 wxLogTextCtrl::wxLogTextCtrl(wxTextCtrl *pTextCtrl)

-// @@@ TODO: in wxGTK wxTextCtrl doesn't derive from streambuf
-#ifndef __GTK__
-             : wxLogStream(new ostream(pTextCtrl))
-#endif //GTK
+#if !defined(NO_TEXT_WINDOW_STREAM)
+: wxLogStream(new ostream(pTextCtrl))
+#endif

 {
 }
 
 wxLogTextCtrl::~wxLogTextCtrl()
 {
 {
 }
 
 wxLogTextCtrl::~wxLogTextCtrl()
 {

-  #ifndef __GTK__

     delete m_ostr;
     delete m_ostr;

-  #endif //GTK

 }
 }

+#endif // wxUSE_STD_IOSTREAM

 
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------

-// wxLogGui implementation
+// wxLogGui implementation (FIXME MT-unsafe)

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-#ifndef   WX_TEST_MINIMAL
-

 wxLogGui::wxLogGui()
 {
 wxLogGui::wxLogGui()
 {

-  m_bErrors = FALSE;
+    Clear();
+}
+
+void wxLogGui::Clear()
+{
+    m_bErrors = m_bWarnings = FALSE;
+    m_aMessages.Empty();
+    m_aTimes.Empty();

 }
 
 void wxLogGui::Flush()
 {
 }
 
 void wxLogGui::Flush()
 {

-  if ( !m_bHasMessages )
-    return;
+    if ( !m_bHasMessages )
+        return;

 
 

-  // @@@ ugly...
-  
-  // concatenate all strings (but not too many to not overfill the msg box)
-  wxString str;
-  uint nLines    = 0, 
-       nMsgCount = m_aMessages.Count();
+    // do it right now to block any new calls to Flush() while we're here
+    m_bHasMessages = FALSE;

 
 

-  // start from the most recent message
-  for ( uint n = nMsgCount; n > 0; n-- ) {
-    // for Windows strings longer than this value are wrapped (NT 4.0)
-    const uint nMsgLineWidth = 156;
+    // concatenate all strings (but not too many to not overfill the msg box)
+    wxString str;
+    size_t nLines = 0,
+    nMsgCount = m_aMessages.Count();

 
 

-    nLines += (m_aMessages[n - 1].Len() + nMsgLineWidth - 1) / nMsgLineWidth;
+    // start from the most recent message
+    for ( size_t n = nMsgCount; n > 0; n-- ) {
+        // for Windows strings longer than this value are wrapped (NT 4.0)
+        const size_t nMsgLineWidth = 156;

 
 

-    if ( nLines > 25 )  // don't put too many lines in message box
-      break;
+        nLines += (m_aMessages[n - 1].Len() + nMsgLineWidth - 1) / nMsgLineWidth;

 
 

-    str << m_aMessages[n - 1] << "\n";
-  }
+        if ( nLines > 25 )  // don't put too many lines in message box
+            break;

 
 

-  if ( m_bErrors ) {
-    wxMessageBox(str, _("Error"), wxOK | wxICON_EXCLAMATION);
-  }
-  else {
-    wxMessageBox(str, _("Information"), wxOK | wxICON_INFORMATION);
-  }
+        str << m_aMessages[n - 1] << _T("\n");
+    }
+
+    const wxChar *title;
+    long style;

 
 

-  // no undisplayed messages whatsoever
-  m_bHasMessages =
-  m_bErrors      = FALSE;
-  m_aMessages.Empty();
+    if ( m_bErrors ) {
+        title = _("Error");
+        style = wxICON_STOP;
+    }
+    else if ( m_bWarnings ) {
+        title = _("Warning");
+        style = wxICON_EXCLAMATION;
+    }
+    else {
+        title = _("Information");
+        style = wxICON_INFORMATION;
+    }
+
+    wxMessageBox(str, title, wxOK | style);
+
+    // no undisplayed messages whatsoever
+    Clear();

 }
 
 // the default behaviour is to discard all informational messages if there
 // are any errors/warnings.
 }
 
 // the default behaviour is to discard all informational messages if there
 // are any errors/warnings.

-void wxLogGui::DoLog(wxLogLevel level, const char *szString)
-{
-  switch ( level ) {
-    case wxLOG_Info:
-      if ( GetVerbose() )
-    case wxLOG_Message:
-        if ( !m_bErrors ) {
-          m_aMessages.Add(szString);
-          m_bHasMessages = TRUE;
-        }
-      break;
-
-    case wxLOG_Status:
-      {
-        // find the top window and set it's status text if it has any
-        wxWindow *pWin = wxTheApp->GetTopWindow();
-        if ( pWin != NULL && pWin->IsKindOf(CLASSINFO(wxFrame)) ) {
-          wxFrame *pFrame = (wxFrame *)pWin;
-          pFrame->SetStatusText(szString);
-        }
-      }
-      break;
-
-    case wxLOG_Trace:
-    case wxLOG_Debug:
-      #ifdef __DEBUG__
-        #ifdef  __WIN32__
-          OutputDebugString(szString);
-          OutputDebugString("\n\r");
-        #else   //!WIN32
-          // send them to stderr
-          fprintf(stderr, level == wxLOG_Trace ? "Trace: %s\n" 
-                                               : "Debug: %s\n", szString);
-          fflush(stderr);
-        #endif  // WIN32
-      #endif
-      break;
-
-    case wxLOG_FatalError:
-      // show this one immediately
-      wxMessageBox(szString, "Fatal error", wxICON_HAND);
-      break;
-
-    case wxLOG_Error:
-    case wxLOG_Warning:
-      // discard earlier informational messages if this is the 1st error
-      if ( !m_bErrors ) {
-        m_aMessages.Empty();
-        m_bHasMessages = TRUE;
-        m_bErrors = TRUE;
-      }
-
-      m_aMessages.Add(szString);
-      break;
-    
-    default:
-      wxFAIL_MSG("unknown log level in wxLogGui::DoLog");
-  }
+void wxLogGui::DoLog(wxLogLevel level, const wxChar *szString, time_t t)
+{
+    switch ( level ) {
+        case wxLOG_Info:
+            if ( GetVerbose() )
+        case wxLOG_Message:
+                if ( !m_bErrors ) {
+                    m_aMessages.Add(szString);
+                    m_aTimes.Add((long)t);
+                    m_bHasMessages = TRUE;
+                }
+                break;
+
+        case wxLOG_Status:
+                {
+                    // find the top window and set it's status text if it has any
+                    wxFrame *pFrame = gs_pFrame;
+                    if ( pFrame == NULL ) {
+                        wxWindow *pWin = wxTheApp->GetTopWindow();
+                        if ( pWin != NULL && pWin->IsKindOf(CLASSINFO(wxFrame)) ) {
+                            pFrame = (wxFrame *)pWin;
+                        }
+                    }
+
+                    if ( pFrame != NULL )
+                        pFrame->SetStatusText(szString);
+                }
+                break;
+
+        case wxLOG_Trace:
+        case wxLOG_Debug:
+                #ifdef __WXDEBUG__
+                {
+                    #ifdef __WXMSW__
+                        // don't prepend debug/trace here: it goes to the
+                        // debug window anyhow, but do put a timestamp
+                        OutputDebugString(wxString(szString) + _T("\n\r"));
+                    #else
+                        // send them to stderr
+                        fprintf(stderr, "%s: %s\n",
+                                level == wxLOG_Trace ? "Trace" : "Debug",
+                                (const char*)wxConv_libc.cWX2MB(szString));
+                        fflush(stderr);
+                    #endif
+                }
+                #endif // __WXDEBUG__
+
+                break;
+
+        case wxLOG_FatalError:
+                // show this one immediately
+                wxMessageBox(szString, _("Fatal error"), wxICON_HAND);
+                break;
+
+        case wxLOG_Error:
+                // discard earlier informational messages if this is the 1st
+                // error because they might not make sense any more
+                if ( !m_bErrors ) {
+                    m_aMessages.Empty();
+                    m_aTimes.Empty();
+                    m_bHasMessages = TRUE;
+                    m_bErrors = TRUE;
+                }
+                // fall through
+
+        case wxLOG_Warning:
+                if ( !m_bErrors ) {
+                    // for the warning we don't discard the info messages
+                    m_bWarnings = TRUE;
+                }
+
+                m_aMessages.Add(szString);
+                m_aTimes.Add((long)t);
+                break;
+
+        default:
+                wxFAIL_MSG(_("unknown log level in wxLogGui::DoLog"));
+    }

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------

-// wxLogWindow implementation
+// wxLogWindow and wxLogFrame implementation

 // ----------------------------------------------------------------------------
 
 // log frame class
 // ----------------------------------------------------------------------------
 
 // log frame class

+// ---------------

 class wxLogFrame : public wxFrame
 {
 public:
 class wxLogFrame : public wxFrame
 {
 public:

-  // ctor
-  wxLogFrame(const char *szTitle);
+    // ctor & dtor
+    wxLogFrame(wxFrame *pParent, wxLogWindow *log, const wxChar *szTitle);
+    virtual ~wxLogFrame();
+
+    // menu callbacks
+    void OnClose(wxCommandEvent& event);
+    void OnCloseWindow(wxCloseEvent& event);
+    void OnSave (wxCommandEvent& event);
+    void OnClear(wxCommandEvent& event);

 
 

-  // menu callbacks
-  void OnClose(wxCommandEvent& event);
-  void OnSave (wxCommandEvent& event);
-  void OnClear(wxCommandEvent& event);
+    void OnIdle(wxIdleEvent&);

 
 

-  // accessors
-  wxTextCtrl *TextCtrl() const { return m_pTextCtrl; }
+    // accessors
+    wxTextCtrl *TextCtrl() const { return m_pTextCtrl; }

 
 private:
 
 private:

-  enum
-  {
-    Menu_Close = 100,
-    Menu_Save,
-    Menu_Clear
-  };
+    enum
+    {
+        Menu_Close = 100,
+        Menu_Save,
+        Menu_Clear
+    };

 
 

-  wxTextCtrl *m_pTextCtrl;
+    // instead of closing just hide the window to be able to Show() it later
+    void DoClose() { Show(FALSE); }

 
 

-  DECLARE_EVENT_TABLE()
+    wxTextCtrl  *m_pTextCtrl;
+    wxLogWindow *m_log;
+
+    DECLARE_EVENT_TABLE()

 };
 
 BEGIN_EVENT_TABLE(wxLogFrame, wxFrame)
 };
 
 BEGIN_EVENT_TABLE(wxLogFrame, wxFrame)

-  // wxLogWindow menu events
-  EVT_MENU(Menu_Close, wxLogFrame::OnClose)
-  EVT_MENU(Menu_Save,  wxLogFrame::OnSave)
-  EVT_MENU(Menu_Clear, wxLogFrame::OnClear)
-
-  EVT_CLOSE(wxLogFrame::OnClose)
-END_EVENT_TABLE() 
-
-wxLogFrame::wxLogFrame(const char *szTitle)
-          : wxFrame(NULL, -1, szTitle)
-{
-  // @@ kludge: wxSIMPLE_BORDER is simply to prevent wxWindows from creating
-  //    a rich edit control instead of a normal one we want
-  m_pTextCtrl = new wxTextCtrl(this, -1, wxEmptyString, wxDefaultPosition,
-                               wxDefaultSize,
-                               wxSIMPLE_BORDER |
-                               wxTE_MULTILINE  |
-                               wxHSCROLL       |
-                               wxTE_READONLY);
-  /*
-  m_pTextCtrl->SetEditable(FALSE);
-  m_pTextCtrl->SetRichEdit(FALSE);
-  */
-
-  // create menu
-  wxMenuBar *pMenuBar = new wxMenuBar;
-  wxMenu *pMenu = new wxMenu;
-  pMenu->Append(Menu_Save,  "&Save...");
-  pMenu->Append(Menu_Clear, "C&lear");
-  pMenu->AppendSeparator();
-  pMenu->Append(Menu_Close, "&Close");
-  pMenuBar->Append(pMenu, "&Log");
-  SetMenuBar(pMenuBar);
-
-  // @@ what about status bar? needed (for menu prompts)?
-}
-
-void wxLogFrame::OnClose(wxCommandEvent& event)
-{
-  // just hide the window
-  Show(FALSE);
-}
-
-void wxLogFrame::OnSave(wxCommandEvent& event)
-{
-  // get the file name
-  // -----------------
-  const char *szFileName = wxSaveFileSelector("log", "txt", "log.txt");
-  if ( szFileName == NULL ) {
-    // cancelled
-    return;
-  }
+    // wxLogWindow menu events
+    EVT_MENU(Menu_Close, wxLogFrame::OnClose)
+    EVT_MENU(Menu_Save,  wxLogFrame::OnSave)
+    EVT_MENU(Menu_Clear, wxLogFrame::OnClear)

 
 

-  // open file
-  // ---------
-  wxFile file;
-  bool bOk;
-  if ( wxFile::Exists(szFileName) ) {
-    bool bAppend;
-    wxString strMsg;
-    strMsg.Printf(_("Append log to file '%s' "
-                    "(choosing [No] will overwrite it)?"), szFileName);
-    switch ( wxMessageBox(strMsg, "Question", wxYES_NO | wxCANCEL) ) {
-      case wxYES:
-        bAppend = TRUE;
-        break;
+    EVT_CLOSE(wxLogFrame::OnCloseWindow)
+END_EVENT_TABLE()

 
 

-      case wxNO:
-        bAppend = FALSE;
-        break;
+wxLogFrame::wxLogFrame(wxFrame *pParent, wxLogWindow *log, const wxChar *szTitle)
+          : wxFrame(pParent, -1, szTitle)
+{
+    m_log = log;
+
+    m_pTextCtrl = new wxTextCtrl(this, -1, wxEmptyString, wxDefaultPosition,
+            wxDefaultSize,
+            wxTE_MULTILINE  |
+            wxHSCROLL       |
+            wxTE_READONLY);
+
+    // create menu
+    wxMenuBar *pMenuBar = new wxMenuBar;
+    wxMenu *pMenu = new wxMenu;
+    pMenu->Append(Menu_Save,  _("&Save..."), _("Save log contents to file"));
+    pMenu->Append(Menu_Clear, _("C&lear"), _("Clear the log contents"));
+    pMenu->AppendSeparator();
+    pMenu->Append(Menu_Close, _("&Close"), _("Close this window"));
+    pMenuBar->Append(pMenu, _("&Log"));
+    SetMenuBar(pMenuBar);
+
+    // status bar for menu prompts
+    CreateStatusBar();
+
+    m_log->OnFrameCreate(this);
+}

 
 

-      case wxCANCEL:
+void wxLogFrame::OnClose(wxCommandEvent& WXUNUSED(event))
+{
+    DoClose();
+}
+
+void wxLogFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
+{
+    DoClose();
+}
+
+void wxLogFrame::OnSave(wxCommandEvent& WXUNUSED(event))
+{
+    // get the file name
+    // -----------------
+    const wxChar *szFileName = wxSaveFileSelector(_T("log"), _T("txt"), _T("log.txt"));
+    if ( szFileName == NULL ) {
+        // cancelled

         return;
         return;

+    }
+
+    // open file
+    // ---------
+    wxFile file;
+    bool bOk = FALSE;
+    if ( wxFile::Exists(szFileName) ) {
+        bool bAppend = FALSE;
+        wxString strMsg;
+        strMsg.Printf(_("Append log to file '%s' "
+                    "(choosing [No] will overwrite it)?"), szFileName);
+        switch ( wxMessageBox(strMsg, _("Question"), wxYES_NO | wxCANCEL) ) {
+            case wxYES:
+                bAppend = TRUE;
+                break;
+
+            case wxNO:
+                bAppend = FALSE;
+                break;

 
 

-      default:
-        wxFAIL_MSG("invalid message box return value");
+            case wxCANCEL:
+                return;
+
+            default:
+                wxFAIL_MSG(_("invalid message box return value"));
+        }
+
+        if ( bAppend ) {
+            bOk = file.Open(szFileName, wxFile::write_append);
+        }
+        else {
+            bOk = file.Create(szFileName, TRUE /* overwrite */);
+        }

     }
     }

+    else {
+        bOk = file.Create(szFileName);
+    }
+
+    // retrieve text and save it
+    // -------------------------
+    int nLines = m_pTextCtrl->GetNumberOfLines();
+    for ( int nLine = 0; bOk && nLine < nLines; nLine++ ) {
+        bOk = file.Write(m_pTextCtrl->GetLineText(nLine) +
+                // we're not going to pull in the whole wxTextFile if all we need is this...
+#if wxUSE_TEXTFILE
+                wxTextFile::GetEOL()
+#else // !wxUSE_TEXTFILE
+                '\n'
+#endif // wxUSE_TEXTFILE
+                        );
+    }
+
+    if ( bOk )
+        bOk = file.Close();

 
 

-    if ( bAppend ) {
-      bOk = file.Open(szFileName, wxFile::write_append);
+    if ( !bOk ) {
+        wxLogError(_("Can't save log contents to file."));

     }
     else {
     }
     else {

-      bOk = file.Create(szFileName, TRUE /* overwrite */);
+        wxLogStatus(this, _("Log saved to the file '%s'."), szFileName);

     }
     }

-  }
-  else {
-    bOk = file.Create(szFileName);
-  }
+}

 
 

-  // retrieve text and save it
-  // -------------------------
-  
-  // @@@@ TODO: no GetNumberOfLines and GetLineText in wxGTK yet
-#ifndef __GTK__
-  int nLines = m_pTextCtrl->GetNumberOfLines();
-  for ( int nLine = 0; bOk && nLine < nLines; nLine++ ) {
-    bOk = file.Write(m_pTextCtrl->GetLineText(nLine) + wxTextFile::GetEOL());
-  }
-#endif //GTK
-  
-  if ( bOk )
-    bOk = file.Close();
-
-  if ( !bOk ) {
-    wxLogError("Can't save log contents to file.");
-    return;
-  }
+void wxLogFrame::OnClear(wxCommandEvent& WXUNUSED(event))
+{
+    m_pTextCtrl->Clear();

 }
 
 }
 

-void wxLogFrame::OnClear(wxCommandEvent& event)
+wxLogFrame::~wxLogFrame()

 {
 {

-  m_pTextCtrl->Clear();
+    m_log->OnFrameDelete(this);

 }
 
 }
 

-wxLogWindow::wxLogWindow(const wxTString& strTitle)
+// wxLogWindow
+// -----------
+wxLogWindow::wxLogWindow(wxFrame *pParent,
+        const wxChar *szTitle,
+        bool bShow,
+        bool bDoPass)

 {
 {

-  m_pOldLog = wxLog::GetActiveTarget();
-  m_pLogFrame = new wxLogFrame(strTitle);
+    m_bPassMessages = bDoPass;
+
+    m_pLogFrame = new wxLogFrame(pParent, this, szTitle);
+    m_pOldLog = wxLog::SetActiveTarget(this);
+
+    if ( bShow )
+        m_pLogFrame->Show(TRUE);

 }
 
 void wxLogWindow::Show(bool bShow)
 {
 }
 
 void wxLogWindow::Show(bool bShow)
 {

-  m_pLogFrame->Show(bShow);
+    m_pLogFrame->Show(bShow);

 }
 
 }
 

-void wxLogWindow::DoLog(wxLogLevel level, const char *szString)
+void wxLogWindow::Flush()

 {
 {

-  // first let the previous logger show it
-  if ( m_pOldLog != NULL ) {
-    // @@@ why can't we access protected wxLog method from here (we derive 
-    // from wxLog)? gcc gives "DoLog is protected in this context", what
-    // does this mean? Anyhow, the cast is harmless and let's us do what
-    // we want.
-    ((wxLogWindow *)m_pOldLog)->DoLog(level, szString);
-  }
-  
-  // and this will format it nicely and call our DoLogString()
-  wxLog::DoLog(level, szString);
+    if ( m_pOldLog != NULL )
+        m_pOldLog->Flush();
+
+    m_bHasMessages = FALSE;

 }
 
 }
 

-void wxLogWindow::DoLogString(const char *szString)
+void wxLogWindow::DoLog(wxLogLevel level, const wxChar *szString, time_t t)

 {
 {

-  // put the text into our window
-  wxTextCtrl *pText = m_pLogFrame->TextCtrl();
+    // first let the previous logger show it
+    if ( m_pOldLog != NULL && m_bPassMessages ) {
+        // FIXME why can't we access protected wxLog method from here (we derive
+        //       from wxLog)? gcc gives "DoLog is protected in this context", what
+        //       does this mean? Anyhow, the cast is harmless and let's us do what
+        //       we want.
+        ((wxLogWindow *)m_pOldLog)->DoLog(level, szString, t);
+    }

 
 

-  // remove selection (WriteText is in fact ReplaceSelection)
-  long nLen = pText->GetLastPosition();
-  pText->SetSelection(nLen, nLen);
+    if ( m_pLogFrame ) {
+        switch ( level ) {
+            case wxLOG_Status:
+                // by default, these messages are ignored by wxLog, so process
+                // them ourselves
+                {
+                    wxString str;
+                    str << _("Status: ") << szString;
+                    DoLogString(str, t);
+                }
+                break;
+
+                // don't put trace messages in the text window for 2 reasons:
+                // 1) there are too many of them
+                // 2) they may provoke other trace messages thus sending a program
+                //    into an infinite loop
+            case wxLOG_Trace:
+                break;
+
+            default:
+                // and this will format it nicely and call our DoLogString()
+                wxLog::DoLog(level, szString, t);
+        }
+    }

 
 

-  pText->WriteText(szString);
-  pText->WriteText("\n"); // "\n" ok here (_not_ "\r\n")
+    m_bHasMessages = TRUE;
+}

 
 

-  // ensure that the line can be seen
-  // @@@ TODO
+void wxLogWindow::DoLogString(const wxChar *szString, time_t t)
+{
+    // put the text into our window
+    wxTextCtrl *pText = m_pLogFrame->TextCtrl();
+
+    // remove selection (WriteText is in fact ReplaceSelection)
+#ifdef __WXMSW__
+    long nLen = pText->GetLastPosition();
+    pText->SetSelection(nLen, nLen);
+#endif // Windows
+
+    pText->WriteText(szString);
+    pText->WriteText(_T("\n")); // "\n" ok here (_not_ "\r\n")
+
+    // TODO ensure that the line can be seen
+}
+
+wxFrame *wxLogWindow::GetFrame() const
+{
+    return m_pLogFrame;
+}
+
+void wxLogWindow::OnFrameCreate(wxFrame * WXUNUSED(frame))
+{
+}
+
+void wxLogWindow::OnFrameDelete(wxFrame * WXUNUSED(frame))
+{
+    m_pLogFrame = (wxLogFrame *)NULL;

 }
 
 wxLogWindow::~wxLogWindow()
 {
 }
 
 wxLogWindow::~wxLogWindow()
 {

-  m_pLogFrame->Close(TRUE);
+    delete m_pOldLog;
+
+    // may be NULL if log frame already auto destroyed itself
+    delete m_pLogFrame;

 }
 
 }
 

-#endif  //WX_TEST_MINIMAL
+#endif  //wxUSE_NOGUI

 
 // ============================================================================
 // Global functions/variables
 
 // ============================================================================
 // Global functions/variables


@@ -686,8 +860,12 @@ wxLogWindow::~wxLogWindow()
 // ----------------------------------------------------------------------------
 // static variables
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // static variables
 // ----------------------------------------------------------------------------

-wxLog      *wxLog::ms_pLogger      = NULL;
-bool        wxLog::ms_bInitialized = FALSE;
+
+wxLog          *wxLog::ms_pLogger      = (wxLog *)NULL;
+bool            wxLog::ms_doLog        = TRUE;
+bool            wxLog::ms_bAutoCreate  = TRUE;
+wxTraceMask     wxLog::ms_ulTraceMask  = (wxTraceMask)0;
+wxArrayString   wxLog::ms_aTraceMasks;

 
 // ----------------------------------------------------------------------------
 // stdout error logging helper
 
 // ----------------------------------------------------------------------------
 // stdout error logging helper


@@ -696,33 +874,33 @@ bool        wxLog::ms_bInitialized = FALSE;
 // helper function: wraps the message and justifies it under given position
 // (looks more pretty on the terminal). Also adds newline at the end.
 //
 // helper function: wraps the message and justifies it under given position
 // (looks more pretty on the terminal). Also adds newline at the end.
 //

-// @@ this is now disabled until I find a portable way of determining the
-//    terminal window size (ok, I found it but does anybody really cares?)
-#ifdef    LOG_PRETTY_WRAP
+// TODO this is now disabled until I find a portable way of determining the
+//      terminal window size (ok, I found it but does anybody really cares?)
+#ifdef LOG_PRETTY_WRAP

 static void wxLogWrap(FILE *f, const char *pszPrefix, const char *psz)
 {
 static void wxLogWrap(FILE *f, const char *pszPrefix, const char *psz)
 {

-  size_t nMax = 80; // @@@@
-  size_t nStart = strlen(pszPrefix);
-  fputs(pszPrefix, f);
-
-  size_t n;
-  while ( *psz != '\0' ) {
-    for ( n = nStart; (n < nMax) && (*psz != '\0'); n++ )
-      putc(*psz++, f);
-
-    // wrapped?
-    if ( *psz != '\0' ) {
-      /*putc('\n', f);*/
-      for ( n = 0; n < nStart; n++ )
-        putc(' ', f);
-
-      // as we wrapped, squeeze all white space
-      while ( isspace(*psz) )
-        psz++;
+    size_t nMax = 80; // FIXME
+    size_t nStart = strlen(pszPrefix);
+    fputs(pszPrefix, f);
+
+    size_t n;
+    while ( *psz != '\0' ) {
+        for ( n = nStart; (n < nMax) && (*psz != '\0'); n++ )
+            putc(*psz++, f);
+
+        // wrapped?
+        if ( *psz != '\0' ) {
+            /*putc('\n', f);*/
+            for ( n = 0; n < nStart; n++ )
+                putc(' ', f);
+
+            // as we wrapped, squeeze all white space
+            while ( isspace(*psz) )
+                psz++;
+        }

     }
     }

-  }

 
 

-  putc('\n', f);
+    putc('\n', f);

 }
 #endif  //LOG_PRETTY_WRAP
 
 }
 #endif  //LOG_PRETTY_WRAP
 


@@ -733,108 +911,161 @@ static void wxLogWrap(FILE *f, const char *pszPrefix, const char *psz)
 // get error code from syste
 unsigned long wxSysErrorCode()
 {
 // get error code from syste
 unsigned long wxSysErrorCode()
 {

-  #ifdef  __WINDOWS__
-    #ifdef  __WIN32__
-      return ::GetLastError();
-    #else   //WIN16
-      // @@@@ what to do on Windows 3.1?
-      return 0;
-    #endif  //WIN16/32
-  #else   //Unix
+#ifdef  __WXMSW__
+#ifdef  __WIN32__
+    return ::GetLastError();
+#else   //WIN16
+    // TODO what to do on Windows 3.1?
+    return 0;
+#endif  //WIN16/32
+#else   //Unix

     return errno;
     return errno;

-  #endif  //Win/Unix
+#endif  //Win/Unix

 }
 
 // get error message from system
 }
 
 // get error message from system

-const char *wxSysErrorMsg(unsigned long nErrCode)
-{
-  if ( nErrCode == 0 )
-    nErrCode = wxSysErrorCode();
-
-  #ifdef  __WINDOWS__
-    #ifdef  __WIN32__
-      static char s_szBuf[LOG_BUFFER_SIZE / 2];
-
-      // get error message from system
-      LPVOID lpMsgBuf;
-      FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
-                    NULL, nErrCode, 
-                    MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
-                    (LPTSTR)&lpMsgBuf,
-                    0, NULL);
-
-      // copy it to our buffer and free memory
-      strncpy(s_szBuf, (const char *)lpMsgBuf, WXSIZEOF(s_szBuf) - 1);
-      s_szBuf[WXSIZEOF(s_szBuf) - 1] = '\0';
-      LocalFree(lpMsgBuf);
-
-      // returned string is capitalized and ended with '\r\n' - bad
-      s_szBuf[0] = (char)tolower(s_szBuf[0]);
-      size_t len = strlen(s_szBuf);
-      if ( len > 0 ) {
+const wxChar *wxSysErrorMsg(unsigned long nErrCode)
+{
+    if ( nErrCode == 0 )
+        nErrCode = wxSysErrorCode();
+
+#ifdef  __WXMSW__
+#ifdef  __WIN32__
+    static wxChar s_szBuf[LOG_BUFFER_SIZE / 2];
+
+    // get error message from system
+    LPVOID lpMsgBuf;
+    FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
+            NULL, nErrCode,
+            MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+            (LPTSTR)&lpMsgBuf,
+            0, NULL);
+
+    // copy it to our buffer and free memory
+    wxStrncpy(s_szBuf, (const wxChar *)lpMsgBuf, WXSIZEOF(s_szBuf) - 1);
+    s_szBuf[WXSIZEOF(s_szBuf) - 1] = _T('\0');
+    LocalFree(lpMsgBuf);
+
+    // returned string is capitalized and ended with '\r\n' - bad
+    s_szBuf[0] = (wxChar)wxTolower(s_szBuf[0]);
+    size_t len = wxStrlen(s_szBuf);
+    if ( len > 0 ) {

         // truncate string
         // truncate string

-        if ( s_szBuf[len - 2] == '\r' )
-          s_szBuf[len - 2] = '\0';
-      }
-
-      return s_szBuf;
-    #else   //Win16
-      // TODO @@@@
-      return NULL;
-    #endif // Win16/32
-  #else   // Unix
+        if ( s_szBuf[len - 2] == _T('\r') )
+            s_szBuf[len - 2] = _T('\0');
+    }
+
+    return s_szBuf;
+#else   //Win16
+    // TODO
+    return NULL;
+#endif // Win16/32
+#else   // Unix
+#if wxUSE_UNICODE
+    static wxChar s_szBuf[LOG_BUFFER_SIZE / 2];
+    wxConv_libc.MB2WC(s_szBuf, strerror(nErrCode), WXSIZEOF(s_szBuf) -1);
+    return s_szBuf;
+#else

     return strerror(nErrCode);
     return strerror(nErrCode);

-  #endif  // Win/Unix
+#endif
+#endif  // Win/Unix

 }
 
 // ----------------------------------------------------------------------------
 // debug helper
 // ----------------------------------------------------------------------------
 
 }
 
 // ----------------------------------------------------------------------------
 // debug helper
 // ----------------------------------------------------------------------------
 

-#ifdef  __DEBUG__
+#ifdef  __WXDEBUG__
+
+// break into the debugger
+void Trap()
+{
+#ifdef __WXMSW__
+    DebugBreak();
+#elif defined(__WXMAC__)
+#if __powerc
+    Debugger();
+#else
+    SysBreak();
+#endif
+#elif defined(__UNIX__)
+    raise(SIGTRAP);
+#else
+    // TODO
+#endif // Win/Unix
+}

 
 // this function is called when an assert fails
 
 // this function is called when an assert fails

-void wxOnAssert(const char *szFile, int nLine, const char *szMsg)
+void wxOnAssert(const char *szFile, int nLine, const wxChar *szMsg)

 {
 {

-  // this variable can be set to true to suppress "assert failure" messages
-  static s_bNoAsserts = FALSE;
+    // this variable can be set to true to suppress "assert failure" messages
+    static bool s_bNoAsserts = FALSE;
+    static bool s_bInAssert = FALSE;        // FIXME MT-unsafe

 
 

-  char szBuf[LOG_BUFFER_SIZE];
-  sprintf(szBuf, _("Assert failed in file %s at line %d"), szFile, nLine);
-  if ( szMsg != NULL ) {
-    strcat(szBuf, ": ");
-    strcat(szBuf, szMsg);
-  }
-  else {
-    strcat(szBuf, ".");
-  }
+    if ( s_bInAssert ) {
+        // He-e-e-e-elp!! we're trapped in endless loop
+        Trap();
+
+        s_bInAssert = FALSE;
+
+        return;
+    }

 
 

-  // send it to the normal log destination
-  wxLogDebug(szBuf);
+    s_bInAssert = TRUE;
+
+    wxChar szBuf[LOG_BUFFER_SIZE];
+
+    // make life easier for people using VC++ IDE: clicking on the message
+    // will take us immediately to the place of the failed assert
+#ifdef __VISUALC__
+    sprintf(szBuf, _T("%s(%d): assert failed"), szFile, nLine);
+#else  // !VC++
+    // make the error message more clear for all the others
+#ifdef wxSprintf
+    wxSprintf(szBuf, _T("Assert failed in file %s at line %d"), szFile, nLine);
+#else
+    wxSprintf(szBuf, _T("Assert failed in file %hs at line %d"), szFile, nLine);
+#endif
+#endif // VC/!VC
+
+    if ( szMsg != NULL ) {
+        wxStrcat(szBuf, _T(": "));
+        wxStrcat(szBuf, szMsg);
+    }
+    else {
+        wxStrcat(szBuf, _T("."));
+    }

 
 

-  #ifdef  __WINDOWS__

     if ( !s_bNoAsserts ) {
     if ( !s_bNoAsserts ) {

-      strcat(szBuf, _("\nDo you want to stop the program?"
-                      "\nYou can also choose [Cancel] to suppress "
-                      "further warnings."));
-
-      switch ( ::MessageBox(NULL, szBuf, _("Debug"), 
-                            MB_YESNOCANCEL | MB_ICONINFORMATION) ) {
-        case IDYES:
-          DebugBreak();
-          break;
-
-        case IDCANCEL:
-          s_bNoAsserts = TRUE;
-          break;
-      }
+        // send it to the normal log destination
+        wxLogDebug(szBuf);
+
+#if wxUSE_NOGUI
+        Trap();
+#else
+        // this message is intentionally not translated - it is for
+        // developpers only
+        wxStrcat(szBuf, _T("\nDo you want to stop the program?"
+                "\nYou can also choose [Cancel] to suppress "
+                "further warnings."));
+
+        switch ( wxMessageBox(szBuf, _("Debug"),
+                    wxYES_NO | wxCANCEL | wxICON_STOP ) ) {
+            case wxYES:
+                Trap();
+                break;
+
+            case wxCANCEL:
+                s_bNoAsserts = TRUE;
+                break;
+
+                //case wxNO: nothing to do
+        }
+#endif // USE_NOGUI

     }
     }

-  #else   // !Windows
-    // @@@@ don't know how to start the debugger under generic Unix
-    s_bNoAsserts = TRUE; // suppress 'unused var' warning
-    abort();
-  #endif  // Windows/!Windows
+
+    s_bInAssert = FALSE;

 }
 
 }
 

-#endif  //DEBUG
+#endif  //WXDEBUG