X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/aad5220b823778a271e25ca74e4127034161e280..d1427b705318677afe28b1291867f6930c8823a7:/src/common/log.cpp?ds=sidebyside diff --git a/src/common/log.cpp b/src/common/log.cpp index 05917b8bdd..d1e30401d4 100644 --- a/src/common/log.cpp +++ b/src/common/log.cpp @@ -29,12 +29,19 @@ // wxWindows #ifndef WX_PRECOMP - #include #include + #include + #include + #include + #include -#endif + #include + #include +#endif //WX_PRECOMP -#include +#include +#include +#include #include // other standard headers @@ -42,14 +49,11 @@ #include #include -// C++ headers -#include - -// _WINDOWS_ is defined when windows.h is included, -// __WINDOWS__ is defined for MS Windows compilation -#if defined(__WINDOWS__) && !defined(_WINDOWS_) -#include -#endif //windows.h +#ifdef __WXMSW__ + #include +#else //Unix + #include +#endif //Win/Unix // ---------------------------------------------------------------------------- // non member functions @@ -58,7 +62,7 @@ // define this to enable wrapping of log messages //#define LOG_PRETTY_WRAP -#ifdef LOG_PRETTY_WRAP +#ifdef LOG_PRETTY_WRAP static void wxLogWrap(FILE *f, const char *pszPrefix, const char *psz); #endif @@ -81,28 +85,28 @@ static char s_szBuf[LOG_BUFFER_SIZE]; // generic log function -void wxLogGeneric(wxLog::Level level, wxTString strFormat, ...) +void wxLogGeneric(wxLogLevel level, const char *szFormat, ...) { - if ( wxLog::GetActiveTarget() != NULL ) { - va_list argptr; - va_start(argptr, strFormat); - vsprintf(s_szBuf, strFormat, argptr); - va_end(argptr); - - wxLog::OnLog(level, s_szBuf); - } + if ( wxLog::GetActiveTarget() != NULL ) { + va_list argptr; + va_start(argptr, szFormat); + vsprintf(s_szBuf, szFormat, argptr); + va_end(argptr); + + wxLog::OnLog(level, s_szBuf); + } } #define IMPLEMENT_LOG_FUNCTION(level) \ - void wxLog##level(wxTString strFormat, ...) \ + void wxLog##level(const char *szFormat, ...) \ { \ if ( wxLog::GetActiveTarget() != NULL ) { \ va_list argptr; \ - va_start(argptr, strFormat); \ - vsprintf(s_szBuf, strFormat, argptr); \ + va_start(argptr, szFormat); \ + vsprintf(s_szBuf, szFormat, argptr); \ va_end(argptr); \ \ - wxLog::OnLog(wxLog::level, s_szBuf); \ + wxLog::OnLog(wxLOG_##level, s_szBuf); \ } \ } @@ -113,9 +117,23 @@ IMPLEMENT_LOG_FUNCTION(Message) IMPLEMENT_LOG_FUNCTION(Info) IMPLEMENT_LOG_FUNCTION(Status) -// debug functions don't use wxTString -#undef IMPLEMENT_LOG_FUNCTION -#define IMPLEMENT_LOG_FUNCTION(level) \ +// same as info, but only if 'verbose' mode is on +void wxLogVerbose(const char *szFormat, ...) +{ + wxLog *pLog = wxLog::GetActiveTarget(); + if ( pLog != NULL && pLog->GetVerbose() ) { + va_list argptr; + va_start(argptr, szFormat); + vsprintf(s_szBuf, szFormat, argptr); + va_end(argptr); + + wxLog::OnLog(wxLOG_Info, s_szBuf); + } +} + +// debug functions +#ifdef __WXDEBUG__ +#define IMPLEMENT_LOG_DEBUG_FUNCTION(level) \ void wxLog##level(const char *szFormat, ...) \ { \ if ( wxLog::GetActiveTarget() != NULL ) { \ @@ -124,55 +142,65 @@ IMPLEMENT_LOG_FUNCTION(Status) vsprintf(s_szBuf, szFormat, argptr); \ va_end(argptr); \ \ - wxLog::OnLog(wxLog::level, s_szBuf); \ + wxLog::OnLog(wxLOG_##level, s_szBuf); \ } \ } -IMPLEMENT_LOG_FUNCTION(Debug) -IMPLEMENT_LOG_FUNCTION(Trace) + void wxLogTrace(wxTraceMask mask, const char *szFormat, ...) + { + wxLog *pLog = wxLog::GetActiveTarget(); -void wxLogVerbose(wxTString strFormat, ...) -{ - if ( wxLog::GetVerbose() && wxLog::GetActiveTarget() != NULL ) { - va_list argptr; - va_start(argptr, strFormat); - vsprintf(s_szBuf, strFormat, argptr); - va_end(argptr); - - wxLog::OnLog(wxLog::Info, s_szBuf); - } -} - -void wxLogSysError(wxTString str, ...) -{ - if ( wxLog::GetActiveTarget() != NULL ) { - va_list argptr; - va_start(argptr, str); - vsprintf(s_szBuf, str, argptr); - va_end(argptr); - - char szErrMsg[LOG_BUFFER_SIZE / 2]; - sprintf(szErrMsg, _(" (error %ld: %s)"), wxSysErrorCode(), wxSysErrorMsg()); - strncat(s_szBuf, szErrMsg, WXSIZEOF(s_szBuf) - strlen(s_szBuf)); + // 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) ) { + va_list argptr; + va_start(argptr, szFormat); + vsprintf(s_szBuf, szFormat, argptr); + va_end(argptr); - wxLog::OnLog(wxLog::Error, s_szBuf); + wxLog::OnLog(wxLOG_Trace, s_szBuf); + } } + +#else // release + #define IMPLEMENT_LOG_DEBUG_FUNCTION(level) +#endif + +IMPLEMENT_LOG_DEBUG_FUNCTION(Debug) +IMPLEMENT_LOG_DEBUG_FUNCTION(Trace) + +// wxLogSysError: one uses the last error code, for other you must give it +// explicitly + +// 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)); + + wxLog::OnLog(wxLOG_Error, s_szBuf); } -void WXDLLEXPORT wxLogSysError(long lErrCode, wxTString strFormat, ...) +void WXDLLEXPORT wxLogSysError(const char *szFormat, ...) { - if ( wxLog::GetActiveTarget() != NULL ) { - va_list argptr; - va_start(argptr, strFormat); - vsprintf(s_szBuf, strFormat, argptr); - va_end(argptr); + va_list argptr; + va_start(argptr, szFormat); + vsprintf(s_szBuf, szFormat, argptr); + va_end(argptr); - char szErrMsg[LOG_BUFFER_SIZE / 2]; - sprintf(szErrMsg, _(" (error %ld: %s)"), lErrCode, wxSysErrorMsg(lErrCode)); - strncat(s_szBuf, szErrMsg, WXSIZEOF(s_szBuf) - strlen(s_szBuf)); + wxLogSysErrorHelper(wxSysErrorCode()); +} - wxLog::OnLog(wxLog::Error, s_szBuf); - } +void WXDLLEXPORT wxLogSysError(long lErrCode, const char *szFormat, ...) +{ + va_list argptr; + va_start(argptr, szFormat); + vsprintf(s_szBuf, szFormat, argptr); + va_end(argptr); + + wxLogSysErrorHelper(lErrCode); } // ---------------------------------------------------------------------------- @@ -182,99 +210,112 @@ void WXDLLEXPORT wxLogSysError(long lErrCode, wxTString strFormat, ...) wxLog::wxLog() { m_bHasMessages = FALSE; + m_bVerbose = FALSE; + m_szTimeFormat = "[%d/%b/%y %H:%M:%S] "; } -wxLog *wxLog::GetActiveTarget() -{ - if ( !ms_bInitialized ) { - // prevent infinite recursion if someone calls wxLogXXX() from wxApp - ms_bInitialized = TRUE; - - // ask the application to create a log target for us if it exists - if ( wxTheApp != NULL ) - ms_pLogger = wxTheApp->CreateLogTarget(); - else - ms_pLogger = new wxLogStderr; +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 WX_TEST_MINIMAL + ms_pLogger = new wxLogStderr; + #else + // ask the application to create a log target for us + if ( wxTheApp != NULL ) + ms_pLogger = wxTheApp->CreateLogTarget(); + #endif - // 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) -{ +{ // flush the old messages before changing if ( ms_pLogger != NULL ) ms_pLogger->Flush(); - ms_bInitialized = TRUE; - - wxLog *pOldLogger = ms_pLogger; - ms_pLogger = pLogger; - return pOldLogger; + wxLog *pOldLogger = ms_pLogger; + ms_pLogger = pLogger; + return pOldLogger; } -void wxLog::DoLog(Level level, const char *szString) +wxString wxLog::TimeStamp() const { - char szBuf[128]; - time_t timeNow; - struct tm *ptmNow; + wxString str; - time(&timeNow); - ptmNow = localtime(&timeNow); + if ( !IsEmpty(m_szTimeFormat) ) { + char szBuf[128]; + time_t timeNow; + struct tm *ptmNow; + + time(&timeNow); + ptmNow = localtime(&timeNow); + + strftime(szBuf, WXSIZEOF(szBuf), m_szTimeFormat, ptmNow); + str = szBuf; + } + + return str; +} - strftime(szBuf, WXSIZEOF(szBuf), ms_szTimeFormat, ptmNow); - wxString str = szBuf; +void wxLog::DoLog(wxLogLevel level, const char *szString) +{ + // prepend a timestamp if not disabled + wxString str = TimeStamp(); switch ( level ) { - case FatalError: + case wxLOG_FatalError: DoLogString(str << _("Fatal error: ") << szString); DoLogString(_("Program aborted.")); Flush(); abort(); break; - case Error: + case wxLOG_Error: DoLogString(str << _("Error: ") << szString); break; - case Warning: + case wxLOG_Warning: DoLogString(str << _("Warning: ") << szString); break; - case Info: + case wxLOG_Info: if ( GetVerbose() ) - case Message: + case wxLOG_Message: DoLogString(str + szString); // fall through - case Status: + case wxLOG_Status: // nothing to do break; - case Trace: - case 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 == Trace ? _("Trace") : _("Debug")) + case wxLOG_Trace: + case wxLOG_Debug: + #ifdef __WXDEBUG__ + DoLogString(str << (level == wxLOG_Trace ? _("Trace") : _("Debug")) << ": " << szString); #endif - + break; default: - wxFAIL_MSG("unknown log level in wxLog::DoLog"); + wxFAIL_MSG(_("unknown log level in wxLog::DoLog")); } } void wxLog::DoLogString(const char *WXUNUSED(szString)) { - wxFAIL_MSG("DoLogString must be overrided if it's called."); + wxFAIL_MSG(_("DoLogString must be overrided if it's called.")); } void wxLog::Flush() @@ -321,10 +362,14 @@ void wxLogStream::DoLogString(const char *szString) // ---------------------------------------------------------------------------- // wxLogTextCtrl implementation // ---------------------------------------------------------------------------- - -/* wxLogTextCtrl::wxLogTextCtrl(wxTextCtrl *pTextCtrl) +// @@@ TODO: in wxGTK wxTextCtrl doesn't derive from streambuf + +// Also, in DLL mode in wxMSW, can't use it. +#if defined(NO_TEXT_WINDOW_STREAM) +#else : wxLogStream(new ostream(pTextCtrl)) +#endif { } @@ -332,7 +377,6 @@ wxLogTextCtrl::~wxLogTextCtrl() { delete m_ostr; } -*/ // ---------------------------------------------------------------------------- // wxLogGui implementation @@ -351,10 +395,10 @@ void wxLogGui::Flush() return; // @@@ ugly... - + // concatenate all strings (but not too many to not overfill the msg box) wxString str; - uint nLines = 0, + uint nLines = 0, nMsgCount = m_aMessages.Count(); // start from the most recent message @@ -385,19 +429,19 @@ void wxLogGui::Flush() // the default behaviour is to discard all informational messages if there // are any errors/warnings. -void wxLogGui::DoLog(Level level, const char *szString) +void wxLogGui::DoLog(wxLogLevel level, const char *szString) { switch ( level ) { - case Info: + case wxLOG_Info: if ( GetVerbose() ) - case Message: + case wxLOG_Message: if ( !m_bErrors ) { m_aMessages.Add(szString); m_bHasMessages = TRUE; } break; - case Status: + case wxLOG_Status: { // find the top window and set it's status text if it has any wxWindow *pWin = wxTheApp->GetTopWindow(); @@ -408,28 +452,35 @@ void wxLogGui::DoLog(Level level, const char *szString) } break; - case Trace: - case Debug: - #ifdef __DEBUG__ - #ifdef __WIN32__ - OutputDebugString(szString); - OutputDebugString("\n\r"); - #else //!WIN32 - // send them to stderr - printf(stderr, level == Trace ? "Trace: %s\n" - : "Debug: %s\n", szString); - fflush(stderr); - #endif // WIN32 + case wxLOG_Trace: + case wxLOG_Debug: + #ifdef __WXDEBUG__ + { + wxString strTime = TimeStamp(); + + #ifdef __WIN32__ + // don't prepend debug/trace here: it goes to the debug window + // anyhow, but do put a timestamp + OutputDebugString(strTime + szString + "\n\r"); + #else //!WIN32 + // send them to stderr + fprintf(stderr, "%s %s: %s\n", + strTime.c_str(), + level == wxLOG_Trace ? _("Trace") : _("Debug"), + szString); + fflush(stderr); + #endif // WIN32 + } #endif break; - case FatalError: + case wxLOG_FatalError: // show this one immediately - wxMessageBox(szString, "Fatal error", wxICON_HAND); + wxMessageBox(szString, _("Fatal error"), wxICON_HAND); break; - case Error: - case Warning: + case wxLOG_Error: + case wxLOG_Warning: // discard earlier informational messages if this is the 1st error if ( !m_bErrors ) { m_aMessages.Empty(); @@ -439,12 +490,277 @@ void wxLogGui::DoLog(Level level, const char *szString) m_aMessages.Add(szString); break; - + default: - wxFAIL_MSG("unknown log level in wxLogGui::DoLog"); + wxFAIL_MSG(_("unknown log level in wxLogGui::DoLog")); } } +// ---------------------------------------------------------------------------- +// wxLogWindow and wxLogFrame implementation +// ---------------------------------------------------------------------------- + +// log frame class +// --------------- +class wxLogFrame : public wxFrame +{ +public: + // ctor & dtor + wxLogFrame(wxLogWindow *log, const char *szTitle); + virtual ~wxLogFrame(); + + // menu callbacks + void OnClose(wxCommandEvent& event); + void OnCloseWindow(wxCloseEvent& event); + void OnSave (wxCommandEvent& event); + void OnClear(wxCommandEvent& event); + + void OnIdle(wxIdleEvent&); + + // accessors + wxTextCtrl *TextCtrl() const { return m_pTextCtrl; } + +private: + enum + { + Menu_Close = 100, + Menu_Save, + Menu_Clear + }; + + // instead of closing just hide the window to be able to Show() it later + void DoClose() { Show(FALSE); } + + wxTextCtrl *m_pTextCtrl; + wxLogWindow *m_log; + + DECLARE_EVENT_TABLE() +}; + +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::OnCloseWindow) + + EVT_IDLE(wxLogFrame::OnIdle) +END_EVENT_TABLE() + +wxLogFrame::wxLogFrame(wxLogWindow *log, const char *szTitle) + : wxFrame(NULL, -1, szTitle) +{ + m_log = log; + + // @@ kludge: wxSIMPLE_BORDER is simply to prevent wxWindows from creating + // a rich edit control instead of a normal one we want in wxMSW + 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..."), _("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); +} + +void wxLogFrame::OnClose(wxCommandEvent& WXUNUSED(event)) +{ + DoClose(); +} + +void wxLogFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event)) +{ + DoClose(); +} + +void wxLogFrame::OnIdle(wxIdleEvent& WXUNUSED(event)) +{ + // if we're the last frame to stay, delete log frame letting the + // application to close + if ( wxTopLevelWindows.Number() == 1 ) + Destroy(); +} + +void wxLogFrame::OnSave(wxCommandEvent& WXUNUSED(event)) +{ + // get the file name + // ----------------- + const char *szFileName = wxSaveFileSelector("log", "txt", "log.txt"); + if ( szFileName == NULL ) { + // cancelled + 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; + + 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 + // ------------------------- +#ifdef __WXGTK__ + // @@@@ TODO: no GetNumberOfLines and GetLineText in wxGTK yet + wxLogError(_("Sorry, this function is not implemented under GTK")); +#else + 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(); +} + +wxLogFrame::~wxLogFrame() +{ + m_log->OnFrameDelete(this); +} + +// wxLogWindow +// ----------- +wxLogWindow::wxLogWindow(const char *szTitle, bool bShow, bool bDoPass) +{ + m_bPassMessages = bDoPass; + + m_pLogFrame = new wxLogFrame(this, szTitle); + m_pOldLog = wxLog::SetActiveTarget(this); + + if ( bShow ) + m_pLogFrame->Show(TRUE); +} + +void wxLogWindow::Show(bool bShow) +{ + m_pLogFrame->Show(bShow); +} + +void wxLogWindow::Flush() +{ + if ( m_pOldLog != NULL ) + m_pOldLog->Flush(); + + m_bHasMessages = FALSE; +} + +void wxLogWindow::DoLog(wxLogLevel level, const char *szString) +{ + // first let the previous logger show it + if ( m_pOldLog != NULL && m_bPassMessages ) { + // @@@ 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); + + m_bHasMessages = TRUE; +} + +void wxLogWindow::DoLogString(const char *szString) +{ + // 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("\n"); // "\n" ok here (_not_ "\r\n") + + // ensure that the line can be seen + // @@@ TODO +} + +wxFrame *wxLogWindow::GetFrame() const +{ + return m_pLogFrame; +} + +void wxLogWindow::OnFrameCreate(wxFrame *frame) +{ +} + +void wxLogWindow::OnFrameDelete(wxFrame *frame) +{ + m_pLogFrame = NULL; +} + +wxLogWindow::~wxLogWindow() +{ + // may be NULL if log frame already auto destroyed itself + delete m_pLogFrame; + + // delete the old log + delete m_pOldLog; +} + #endif //WX_TEST_MINIMAL // ============================================================================ @@ -455,9 +771,8 @@ void wxLogGui::DoLog(Level level, const char *szString) // static variables // ---------------------------------------------------------------------------- wxLog *wxLog::ms_pLogger = NULL; -bool wxLog::ms_bInitialized = FALSE; -bool wxLog::ms_bVerbose = FALSE; -const char *wxLog::ms_szTimeFormat = "[%d/%b/%y %H:%M:%S] "; +bool wxLog::ms_bAutoCreate = TRUE; +wxTraceMask wxLog::ms_ulTraceMask = (wxTraceMask)0; // ---------------------------------------------------------------------------- // stdout error logging helper @@ -467,8 +782,7 @@ const char *wxLog::ms_szTimeFormat = "[%d/%b/%y %H:%M:%S] "; // (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 - +// 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) { @@ -504,7 +818,7 @@ static void wxLogWrap(FILE *f, const char *pszPrefix, const char *psz) // get error code from syste unsigned long wxSysErrorCode() { - #ifdef __WINDOWS__ + #ifdef __WXMSW__ #ifdef __WIN32__ return ::GetLastError(); #else //WIN16 @@ -522,53 +836,70 @@ 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 ) { - // truncate string - if ( s_szBuf[len - 2] == '\r' ) - s_szBuf[len - 2] = '\0'; - } + #ifdef __WXMSW__ + #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)wxToLower(s_szBuf[0]); + size_t len = strlen(s_szBuf); + if ( len > 0 ) { + // truncate string + if ( s_szBuf[len - 2] == '\r' ) + s_szBuf[len - 2] = '\0'; + } - return s_szBuf; -#else - // TODO: Windows 3.1 - return NULL; -#endif -#else - return strerror(nErrCode); -#endif + return s_szBuf; + #else //Win16 + // TODO @@@@ + return NULL; + #endif // Win16/32 + #else // Unix + return strerror(nErrCode); + #endif // Win/Unix } // ---------------------------------------------------------------------------- // debug helper // ---------------------------------------------------------------------------- -#ifdef __DEBUG__ +#ifdef __WXDEBUG__ + +void Trap() +{ + #ifdef __WXMSW__ + DebugBreak(); + #else // Unix + raise(SIGTRAP); + #endif // Win/Unix +} // this function is called when an assert fails void wxOnAssert(const char *szFile, int nLine, const char *szMsg) { // this variable can be set to true to suppress "assert failure" messages - static s_bNoAsserts = FALSE; + static bool s_bNoAsserts = FALSE; + static bool s_bInAssert = FALSE; + + if ( s_bInAssert ) { + // He-e-e-e-elp!! we're trapped in endless loop + Trap(); + } + + s_bInAssert = TRUE; char szBuf[LOG_BUFFER_SIZE]; sprintf(szBuf, _("Assert failed in file %s at line %d"), szFile, nLine); @@ -580,32 +911,30 @@ void wxOnAssert(const char *szFile, int nLine, const char *szMsg) strcat(szBuf, "."); } - // send it to the normal log destination - wxLogDebug(szBuf); + if ( !s_bNoAsserts ) { + // send it to the normal log destination + wxLogDebug(szBuf); - #ifdef __WINDOWS__ - if ( !s_bNoAsserts ) { - strcat(szBuf, _("\nDo you want to stop the program?" - "\nYou can also choose [Cancel] to suppress " - "further warnings.")); + 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; + switch ( wxMessageBox(szBuf, _("Debug"), + wxYES_NO | wxCANCEL | wxICON_STOP ) ) { + case wxYES: + Trap(); + break; - case IDCANCEL: - s_bNoAsserts = TRUE; - break; - } + case wxCANCEL: + s_bNoAsserts = TRUE; + break; + + //case wxNO: nothing to do } - #else - // @@@@ don't know how to start the debugger under generic Unix - s_bNoAsserts = TRUE; // suppress 'unused var' warning - abort(); - #endif + } + + s_bInAssert = FALSE; } -#endif //DEBUG +#endif //WXDEBUG