added the possibility to rescale the image during loading, especially useful with...

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

diff --git a/src/common/log.cpp b/src/common/log.cpp
index c2a69b67142604a141ed6fd285c880bfade31390..d6041c195e3561519e43bb47a8af3f23ddc052fc 100644 (file)
--- a/src/common/log.cpp
+++ b/src/common/log.cpp
@@ -51,16 +51,42 @@
 
 #include <stdlib.h>
 
 
 #include <stdlib.h>
 

+#ifndef __WXPALMOS5__

 #ifndef __WXWINCE__
 #include <time.h>
 #else
 #include "wx/msw/wince/time.h"
 #endif
 #ifndef __WXWINCE__
 #include <time.h>
 #else
 #include "wx/msw/wince/time.h"
 #endif

+#endif /* ! __WXPALMOS5__ */

 
 #if defined(__WINDOWS__)
     #include "wx/msw/private.h" // includes windows.h
 #endif
 
 
 #if defined(__WINDOWS__)
     #include "wx/msw/private.h" // includes windows.h
 #endif
 

+#if wxUSE_THREADS
+
+// define static functions providing access to the critical sections we use
+// instead of just using static critical section variables as log functions may
+// be used during static initialization and while this is certainly not
+// advisable it's still better to not crash (as we'd do if we used a yet
+// uninitialized critical section) if it happens
+
+static inline wxCriticalSection& GetTraceMaskCS()
+{
+    static wxCriticalSection s_csTrace;
+
+    return s_csTrace;
+}
+
+static inline wxCriticalSection& GetPreviousLogCS()
+{
+    static wxCriticalSection s_csPrev;
+
+    return s_csPrev;
+}
+
+#endif // wxUSE_THREADS
+

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


@@ -157,9 +183,9 @@ IMPLEMENT_LOG_FUNCTION(Status)
 void wxSafeShowMessage(const wxString& title, const wxString& text)
 {
 #ifdef __WINDOWS__
 void wxSafeShowMessage(const wxString& title, const wxString& text)
 {
 #ifdef __WINDOWS__

-    ::MessageBox(NULL, text.wx_str(), title.wx_str(), MB_OK | MB_ICONSTOP);
+    ::MessageBox(NULL, text.t_str(), title.t_str(), MB_OK | MB_ICONSTOP);

 #else
 #else

-    wxFprintf(stderr, _T("%s: %s\n"), title.c_str(), text.c_str());
+    wxFprintf(stderr, wxS("%s: %s\n"), title.c_str(), text.c_str());

     fflush(stderr);
 #endif
 }
     fflush(stderr);
 #endif
 }


@@ -168,7 +194,7 @@ void wxSafeShowMessage(const wxString& title, const wxString& text)
 // always terminate the program
 void wxVLogFatalError(const wxString& format, va_list argptr)
 {
 // always terminate the program
 void wxVLogFatalError(const wxString& format, va_list argptr)
 {

-    wxSafeShowMessage(_T("Fatal Error"), wxString::FormatV(format, argptr));
+    wxSafeShowMessage(wxS("Fatal Error"), wxString::FormatV(format, argptr));

 
 #ifdef __WXWINCE__
     ExitThread(3);
 
 #ifdef __WXWINCE__
     ExitThread(3);


@@ -279,7 +305,7 @@ void wxDoLogVerboseUtf8(const char *format, ...)
   {
     if ( wxLog::IsEnabled() && wxLog::IsAllowedTraceMask(mask) ) {
       wxString msg;
   {
     if ( wxLog::IsEnabled() && wxLog::IsAllowedTraceMask(mask) ) {
       wxString msg;

-      msg << _T("(") << mask << _T(") ") << wxString::FormatV(format, argptr);
+      msg << wxS("(") << mask << wxS(") ") << wxString::FormatV(format, argptr);

 
       wxLog::OnLog(wxLOG_Trace, msg, time(NULL));
     }
 
       wxLog::OnLog(wxLOG_Trace, msg, time(NULL));
     }


@@ -385,13 +411,13 @@ static inline wxString wxLogSysErrorHelper(long err)
     return wxString::Format(_(" (error %ld: %s)"), err, wxSysErrorMsg(err));
 }
 
     return wxString::Format(_(" (error %ld: %s)"), err, wxSysErrorMsg(err));
 }
 

-void WXDLLEXPORT wxVLogSysError(const wxString& format, va_list argptr)
+void WXDLLIMPEXP_BASE wxVLogSysError(const wxString& format, va_list argptr)

 {
     wxVLogSysError(wxSysErrorCode(), format, argptr);
 }
 
 #if !wxUSE_UTF8_LOCALE_ONLY
 {
     wxVLogSysError(wxSysErrorCode(), format, argptr);
 }
 
 #if !wxUSE_UTF8_LOCALE_ONLY

-void WXDLLEXPORT wxDoLogSysErrorWchar(const wxChar *format, ...)
+void WXDLLIMPEXP_BASE wxDoLogSysErrorWchar(const wxChar *format, ...)

 {
     va_list argptr;
     va_start(argptr, format);
 {
     va_list argptr;
     va_start(argptr, format);


@@ -401,7 +427,7 @@ void WXDLLEXPORT wxDoLogSysErrorWchar(const wxChar *format, ...)
 #endif // !wxUSE_UTF8_LOCALE_ONLY
 
 #if wxUSE_UNICODE_UTF8
 #endif // !wxUSE_UTF8_LOCALE_ONLY
 
 #if wxUSE_UNICODE_UTF8

-void WXDLLEXPORT wxDoLogSysErrorUtf8(const char *format, ...)
+void WXDLLIMPEXP_BASE wxDoLogSysErrorUtf8(const char *format, ...)

 {
     va_list argptr;
     va_start(argptr, format);
 {
     va_list argptr;
     va_start(argptr, format);


@@ -410,7 +436,7 @@ void WXDLLEXPORT wxDoLogSysErrorUtf8(const char *format, ...)
 }
 #endif // wxUSE_UNICODE_UTF8
 
 }
 #endif // wxUSE_UNICODE_UTF8
 

-void WXDLLEXPORT wxVLogSysError(long err, const wxString& format, va_list argptr)
+void WXDLLIMPEXP_BASE wxVLogSysError(long err, const wxString& format, va_list argptr)

 {
     if ( wxLog::IsEnabled() ) {
         wxLog::OnLog(wxLOG_Error,
 {
     if ( wxLog::IsEnabled() ) {
         wxLog::OnLog(wxLOG_Error,


@@ -420,7 +446,7 @@ void WXDLLEXPORT wxVLogSysError(long err, const wxString& format, va_list argptr
 }
 
 #if !wxUSE_UTF8_LOCALE_ONLY
 }
 
 #if !wxUSE_UTF8_LOCALE_ONLY

-void WXDLLEXPORT wxDoLogSysErrorWchar(long lErrCode, const wxChar *format, ...)
+void WXDLLIMPEXP_BASE wxDoLogSysErrorWchar(long lErrCode, const wxChar *format, ...)

 {
     va_list argptr;
     va_start(argptr, format);
 {
     va_list argptr;
     va_start(argptr, format);


@@ -430,7 +456,7 @@ void WXDLLEXPORT wxDoLogSysErrorWchar(long lErrCode, const wxChar *format, ...)
 #endif // !wxUSE_UTF8_LOCALE_ONLY
 
 #if wxUSE_UNICODE_UTF8
 #endif // !wxUSE_UTF8_LOCALE_ONLY
 
 #if wxUSE_UNICODE_UTF8

-void WXDLLEXPORT wxDoLogSysErrorUtf8(long lErrCode, const char *format, ...)
+void WXDLLIMPEXP_BASE wxDoLogSysErrorUtf8(long lErrCode, const char *format, ...)

 {
     va_list argptr;
     va_start(argptr, format);
 {
     va_list argptr;
     va_start(argptr, format);


@@ -441,7 +467,7 @@ void WXDLLEXPORT wxDoLogSysErrorUtf8(long lErrCode, const char *format, ...)
 
 #ifdef __WATCOMC__
 // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351
 
 #ifdef __WATCOMC__
 // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351

-void WXDLLEXPORT wxDoLogSysErrorWchar(unsigned long lErrCode, const wxChar *format, ...)
+void WXDLLIMPEXP_BASE wxDoLogSysErrorWchar(unsigned long lErrCode, const wxChar *format, ...)

 {
     va_list argptr;
     va_start(argptr, format);
 {
     va_list argptr;
     va_start(argptr, format);


@@ -449,7 +475,7 @@ void WXDLLEXPORT wxDoLogSysErrorWchar(unsigned long lErrCode, const wxChar *form
     va_end(argptr);
 }
 
     va_end(argptr);
 }
 

-void WXDLLEXPORT wxVLogSysError(unsigned long err, const wxString& format, va_list argptr)
+void WXDLLIMPEXP_BASE wxVLogSysError(unsigned long err, const wxString& format, va_list argptr)

     { wxVLogSysError((long)err, format, argptr); }
 #endif // __WATCOMC__
 
     { wxVLogSysError((long)err, format, argptr); }
 #endif // __WATCOMC__
 


@@ -457,10 +483,15 @@ void WXDLLEXPORT wxVLogSysError(unsigned long err, const wxString& format, va_li
 // wxLog class implementation
 // ----------------------------------------------------------------------------
 
 // wxLog class implementation
 // ----------------------------------------------------------------------------
 

-unsigned wxLog::LogLastRepetitionCountIfNeeded()
+unsigned wxLog::LogLastRepeatIfNeeded()

 {
 {

-    wxCRIT_SECT_LOCKER(lock, ms_prevCS);
+    wxCRIT_SECT_LOCKER(lock, GetPreviousLogCS());
+
+    return LogLastRepeatIfNeededUnlocked();
+}

 
 

+unsigned wxLog::LogLastRepeatIfNeededUnlocked()
+{

     const unsigned count = ms_prevCounter;
 
     if ( ms_prevCounter )
     const unsigned count = ms_prevCounter;
 
     if ( ms_prevCounter )


@@ -472,7 +503,7 @@ unsigned wxLog::LogLastRepetitionCountIfNeeded()
                             ms_prevCounter),
                    ms_prevCounter);
 #else
                             ms_prevCounter),
                    ms_prevCounter);
 #else

-        msg.Printf(wxT("The previous message was repeated %lu times."),
+        msg.Printf(wxS("The previous message was repeated %lu times."),

                    ms_prevCounter);
 #endif
         ms_prevCounter = 0;
                    ms_prevCounter);
 #endif
         ms_prevCounter = 0;


@@ -485,7 +516,17 @@ unsigned wxLog::LogLastRepetitionCountIfNeeded()
 
 wxLog::~wxLog()
 {
 
 wxLog::~wxLog()
 {

-    LogLastRepetitionCountIfNeeded();
+    // Flush() must be called before destroying the object as otherwise some
+    // messages could be lost
+    if ( ms_prevCounter )
+    {
+        wxMessageOutputDebug().Printf
+        (
+            wxS("Last repeated message (\"%s\", %lu times) wasn't output"),
+            ms_prevString,
+            ms_prevCounter
+        );
+    }

 }
 
 /* static */
 }
 
 /* static */


@@ -498,7 +539,7 @@ void wxLog::OnLog(wxLogLevel level, const wxString& szString, time_t t)
         {
             if ( GetRepetitionCounting() )
             {
         {
             if ( GetRepetitionCounting() )
             {

-                wxCRIT_SECT_LOCKER(lock, ms_prevCS);
+                wxCRIT_SECT_LOCKER(lock, GetPreviousLogCS());

 
                 if ( szString == ms_prevString )
                 {
 
                 if ( szString == ms_prevString )
                 {


@@ -509,7 +550,7 @@ void wxLog::OnLog(wxLogLevel level, const wxString& szString, time_t t)
                     return;
                 }
 
                     return;
                 }
 

-                pLogger->LogLastRepetitionCountIfNeeded();
+                pLogger->LogLastRepeatIfNeededUnlocked();

 
                 // reset repetition counter for a new message
                 ms_prevString = szString;
 
                 // reset repetition counter for a new message
                 ms_prevString = szString;


@@ -601,8 +642,17 @@ void wxLog::DoCreateOnDemand()
     ms_bAutoCreate = true;
 }
 
     ms_bAutoCreate = true;
 }
 

+void wxLog::AddTraceMask(const wxString& str)
+{
+    wxCRIT_SECT_LOCKER(lock, GetTraceMaskCS());
+
+    ms_aTraceMasks.push_back(str);
+}
+

 void wxLog::RemoveTraceMask(const wxString& str)
 {
 void wxLog::RemoveTraceMask(const wxString& str)
 {

+    wxCRIT_SECT_LOCKER(lock, GetTraceMaskCS());
+

     int index = ms_aTraceMasks.Index(str);
     if ( index != wxNOT_FOUND )
         ms_aTraceMasks.RemoveAt((size_t)index);
     int index = ms_aTraceMasks.Index(str);
     if ( index != wxNOT_FOUND )
         ms_aTraceMasks.RemoveAt((size_t)index);


@@ -610,6 +660,8 @@ void wxLog::RemoveTraceMask(const wxString& str)
 
 void wxLog::ClearTraceMasks()
 {
 
 void wxLog::ClearTraceMasks()
 {

+    wxCRIT_SECT_LOCKER(lock, GetTraceMaskCS());
+

     ms_aTraceMasks.Clear();
 }
 
     ms_aTraceMasks.Clear();
 }
 


@@ -627,7 +679,7 @@ void wxLog::TimeStamp(wxString *str)
                     ms_timestamp, wxLocaltime_r(&timeNow, &tm));
 
         str->Empty();
                     ms_timestamp, wxLocaltime_r(&timeNow, &tm));
 
         str->Empty();

-        *str << buf << wxT(": ");
+        *str << buf << wxS(": ");

     }
 #endif // wxUSE_DATETIME
 }
     }
 #endif // wxUSE_DATETIME
 }


@@ -673,8 +725,8 @@ void wxLog::DoLog(wxLogLevel level, const wxString& szString, time_t t)
         case wxLOG_Debug:
 #ifdef __WXDEBUG__
             {
         case wxLOG_Debug:
 #ifdef __WXDEBUG__
             {

-                wxString msg = level == wxLOG_Trace ? wxT("Trace: ")
-                                                    : wxT("Debug: ");
+                wxString msg = level == wxLOG_Trace ? wxS("Trace: ")
+                                                    : wxS("Debug: ");

                 msg << szString;
                 LogString(msg, t);
             }
                 msg << szString;
                 LogString(msg, t);
             }


@@ -692,7 +744,7 @@ void wxLog::DoLogString(const wxString& szString, time_t t)
     DoLogString((const char*)szString.mb_str(), t);
     DoLogString((const wchar_t*)szString.wc_str(), t);
 #else
     DoLogString((const char*)szString.mb_str(), t);
     DoLogString((const wchar_t*)szString.wc_str(), t);
 #else

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

     wxUnusedVar(szString);
     wxUnusedVar(t);
 #endif
     wxUnusedVar(szString);
     wxUnusedVar(t);
 #endif


@@ -700,16 +752,21 @@ void wxLog::DoLogString(const wxString& szString, time_t t)
 
 void wxLog::Flush()
 {
 
 void wxLog::Flush()
 {

-    // nothing to do here
+    LogLastRepeatIfNeeded();

 }
 
 /*static*/ bool wxLog::IsAllowedTraceMask(const wxString& mask)
 {
 }
 
 /*static*/ bool wxLog::IsAllowedTraceMask(const wxString& mask)
 {

+    wxCRIT_SECT_LOCKER(lock, GetTraceMaskCS());
+

     for ( wxArrayString::iterator it = ms_aTraceMasks.begin(),
                                   en = ms_aTraceMasks.end();
          it != en; ++it )
     for ( wxArrayString::iterator it = ms_aTraceMasks.begin(),
                                   en = ms_aTraceMasks.end();
          it != en; ++it )

+    {

         if ( *it == mask)
             return true;
         if ( *it == mask)
             return true;

+    }
+

     return false;
 }
 
     return false;
 }
 


@@ -722,7 +779,7 @@ void wxLogBuffer::Flush()
     if ( !m_str.empty() )
     {
         wxMessageOutputBest out;
     if ( !m_str.empty() )
     {
         wxMessageOutputBest out;

-        out.Printf(_T("%s"), m_str.c_str());
+        out.Printf(wxS("%s"), m_str.c_str());

         m_str.clear();
     }
 }
         m_str.clear();
     }
 }


@@ -742,7 +799,7 @@ void wxLogBuffer::DoLog(wxLogLevel level, const wxString& szString, time_t t)
                 str += szString;
 
                 wxMessageOutputDebug dbgout;
                 str += szString;
 
                 wxMessageOutputDebug dbgout;

-                dbgout.Printf(_T("%s\n"), str.c_str());
+                dbgout.Printf(wxS("%s\n"), str.c_str());

             }
 #endif // __WXDEBUG__
             break;
             }
 #endif // __WXDEBUG__
             break;


@@ -754,7 +811,7 @@ void wxLogBuffer::DoLog(wxLogLevel level, const wxString& szString, time_t t)
 
 void wxLogBuffer::DoLogString(const wxString& szString, time_t WXUNUSED(t))
 {
 
 void wxLogBuffer::DoLogString(const wxString& szString, time_t WXUNUSED(t))
 {

-    m_str << szString << _T("\n");
+    m_str << szString << wxS("\n");

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


@@ -776,7 +833,7 @@ void wxLogStderr::DoLogString(const wxString& szString, time_t WXUNUSED(t))
     str << szString;
 
     wxFputs(str, m_fp);
     str << szString;
 
     wxFputs(str, m_fp);

-    wxFputc(_T('\n'), m_fp);
+    wxFputc(wxS('\n'), m_fp);

     fflush(m_fp);
 
     // under GUI systems such as Windows or Mac, programs usually don't have
     fflush(m_fp);
 
     // under GUI systems such as Windows or Mac, programs usually don't have


@@ -789,7 +846,7 @@ void wxLogStderr::DoLogString(const wxString& szString, time_t WXUNUSED(t))
         if ( traits && !traits->HasStderr() )
         {
             wxMessageOutputDebug dbgout;
         if ( traits && !traits->HasStderr() )
         {
             wxMessageOutputDebug dbgout;

-            dbgout.Printf(_T("%s\n"), str.c_str());
+            dbgout.Printf(wxS("%s\n"), str.c_str());

         }
     }
 }
         }
     }
 }


@@ -891,7 +948,7 @@ wxLogInterposer::wxLogInterposer()
 wxLogInterposerTemp::wxLogInterposerTemp()
                 : wxLogChain(this)
 {
 wxLogInterposerTemp::wxLogInterposerTemp()
                 : wxLogChain(this)
 {

-       DetachOldLog();
+    DetachOldLog();

 }
 
 #ifdef __VISUALC__
 }
 
 #ifdef __VISUALC__


@@ -906,9 +963,6 @@ wxLogInterposerTemp::wxLogInterposerTemp()
 // static variables
 // ----------------------------------------------------------------------------
 
 // static variables
 // ----------------------------------------------------------------------------
 

-#if wxUSE_THREADS
-wxCriticalSection wxLog::ms_prevCS;
-#endif // wxUSE_THREADS

 bool            wxLog::ms_bRepetCounting = false;
 wxString        wxLog::ms_prevString;
 unsigned int    wxLog::ms_prevCounter = 0;
 bool            wxLog::ms_bRepetCounting = false;
 wxString        wxLog::ms_prevString;
 unsigned int    wxLog::ms_prevCounter = 0;


@@ -924,7 +978,7 @@ wxLogLevel      wxLog::ms_logLevel     = wxLOG_Max;  // log everything by defaul
 
 size_t          wxLog::ms_suspendCount = 0;
 
 
 size_t          wxLog::ms_suspendCount = 0;
 

-wxString        wxLog::ms_timestamp(wxT("%X"));  // time only, no date
+wxString        wxLog::ms_timestamp(wxS("%X"));  // time only, no date

 
 wxTraceMask     wxLog::ms_ulTraceMask  = (wxTraceMask)0;
 wxArrayString   wxLog::ms_aTraceMasks;
 
 wxTraceMask     wxLog::ms_ulTraceMask  = (wxTraceMask)0;
 wxArrayString   wxLog::ms_aTraceMasks;


@@ -1004,7 +1058,7 @@ const wxChar *wxSysErrorMsg(unsigned long nErrCode)
     {
         // if this happens, something is seriously wrong, so don't use _() here
         // for safety
     {
         // if this happens, something is seriously wrong, so don't use _() here
         // for safety

-        wxSprintf(s_szBuf, _T("unknown error %lx"), nErrCode);
+        wxSprintf(s_szBuf, wxS("unknown error %lx"), nErrCode);

         return s_szBuf;
     }
 
         return s_szBuf;
     }
 


@@ -1015,7 +1069,7 @@ const wxChar *wxSysErrorMsg(unsigned long nErrCode)
     if( lpMsgBuf != 0 )
     {
         wxStrncpy(s_szBuf, (const wxChar *)lpMsgBuf, WXSIZEOF(s_szBuf) - 1);
     if( lpMsgBuf != 0 )
     {
         wxStrncpy(s_szBuf, (const wxChar *)lpMsgBuf, WXSIZEOF(s_szBuf) - 1);

-        s_szBuf[WXSIZEOF(s_szBuf) - 1] = wxT('\0');
+        s_szBuf[WXSIZEOF(s_szBuf) - 1] = wxS('\0');

 
         LocalFree(lpMsgBuf);
 
 
         LocalFree(lpMsgBuf);
 


@@ -1024,14 +1078,14 @@ const wxChar *wxSysErrorMsg(unsigned long nErrCode)
         size_t len = wxStrlen(s_szBuf);
         if ( len > 0 ) {
             // truncate string
         size_t len = wxStrlen(s_szBuf);
         if ( len > 0 ) {
             // truncate string

-            if ( s_szBuf[len - 2] == wxT('\r') )
-                s_szBuf[len - 2] = wxT('\0');
+            if ( s_szBuf[len - 2] == wxS('\r') )
+                s_szBuf[len - 2] = wxS('\0');

         }
     }
     else
 #endif // !__SMARTPHONE__
     {
         }
     }
     else
 #endif // !__SMARTPHONE__
     {

-        s_szBuf[0] = wxT('\0');
+        s_szBuf[0] = wxS('\0');

     }
 
     return s_szBuf;
     }
 
     return s_szBuf;