// Created: 29/01/98
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- #pragma implementation "log.h"
-#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
- #pragma hdrstop
+ #pragma hdrstop
#endif
-// wxWindows
+#if wxUSE_LOG
+
+// wxWidgets
#ifndef WX_PRECOMP
- #include "wx/window.h"
-#ifdef __WXMSW__
- #include "wx/msw/private.h"
-#endif
- #include "wx/event.h"
- #include "wx/app.h"
- #include "wx/string.h"
- #include "wx/intl.h"
- #include "wx/menu.h"
- #include "wx/frame.h"
- #include "wx/msgdlg.h"
- #include "wx/filedlg.h"
- #include "wx/textctrl.h"
+ #include "wx/app.h"
+ #include "wx/arrstr.h"
+ #include "wx/intl.h"
+ #include "wx/string.h"
#endif //WX_PRECOMP
-#include "wx/file.h"
-#include "wx/textfile.h"
-#include "wx/utils.h"
-#include "wx/wxchar.h"
-#include "wx/log.h"
+#include "wx/apptrait.h"
+#include "wx/file.h"
+#include "wx/log.h"
+#include "wx/msgout.h"
+#include "wx/textfile.h"
+#include "wx/thread.h"
+#include "wx/utils.h"
+#include "wx/wxchar.h"
// other standard headers
-#include <errno.h>
-#include <stdlib.h>
-#include <time.h>
-
-#ifdef __WXMSW__
- #include <windows.h>
- // Redefines OutputDebugString if necessary
- #include "wx/msw/private.h"
-#else //Unix
- #include <signal.h>
-#endif //Win/Unix
+#ifndef __WXWINCE__
+#include <errno.h>
+#endif
+
+#include <stdlib.h>
+
+#ifndef __WXWINCE__
+#include <time.h>
+#else
+#include "wx/msw/wince/time.h"
+#endif
+
+#if defined(__WINDOWS__)
+ #include "wx/msw/private.h" // includes windows.h
+#endif
// ----------------------------------------------------------------------------
// non member functions
static void wxLogWrap(FILE *f, const char *pszPrefix, const char *psz);
#endif
+// ============================================================================
+// implementation
+// ============================================================================
+
// ----------------------------------------------------------------------------
-// global variables
+// globals
// ----------------------------------------------------------------------------
-// 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
+// log functions can't allocate memory (LogError("out of memory...") should
+// work!), so we use a static buffer for all log messages
+#define LOG_BUFFER_SIZE (4096)
-// ============================================================================
-// implementation
-// ============================================================================
+// static buffer for error messages
+static wxChar s_szBufStatic[LOG_BUFFER_SIZE];
+
+static wxChar *s_szBuf = s_szBufStatic;
+static size_t s_szBufSize = WXSIZEOF( s_szBufStatic );
+
+#if wxUSE_THREADS
+
+// the critical section protecting the static buffer
+static wxCriticalSection gs_csLogBuf;
+
+#endif // wxUSE_THREADS
+
+// return true if we have a non NULL non disabled log target
+static inline bool IsLoggingEnabled()
+{
+ return wxLog::IsEnabled() && (wxLog::GetActiveTarget() != NULL);
+}
// ----------------------------------------------------------------------------
// implementation of Log functions
// macros and not all compilers inline vararg functions.
// ----------------------------------------------------------------------------
-// log functions can't allocate memory (LogError("out of memory...") should
-// work!), so we use a static buffer for all log messages
-#define LOG_BUFFER_SIZE (4096)
-
-// static buffer for error messages (FIXME MT-unsafe)
-static wxChar s_szBuf[LOG_BUFFER_SIZE];
+// wrapper for wxVsnprintf(s_szBuf) which always NULL-terminates it
+static inline void PrintfInLogBug(const wxChar *szFormat, va_list argptr)
+{
+ if ( wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr) < 0 )
+ {
+ // must NUL-terminate it manually
+ s_szBuf[s_szBufSize - 1] = _T('\0');
+ }
+ //else: NUL-terminated by vsnprintf()
+}
// generic log function
+void wxVLogGeneric(wxLogLevel level, const wxChar *szFormat, va_list argptr)
+{
+ if ( IsLoggingEnabled() ) {
+ wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
+
+ PrintfInLogBug(szFormat, argptr);
+
+ wxLog::OnLog(level, s_szBuf, time(NULL));
+ }
+}
+
void wxLogGeneric(wxLogLevel level, const wxChar *szFormat, ...)
{
- if ( wxLog::GetActiveTarget() != NULL ) {
va_list argptr;
va_start(argptr, szFormat);
- wxVsprintf(s_szBuf, szFormat, argptr);
+ wxVLogGeneric(level, szFormat, argptr);
va_end(argptr);
-
- wxLog::OnLog(level, s_szBuf, time(NULL));
- }
}
-#define IMPLEMENT_LOG_FUNCTION(level) \
- void wxLog##level(const wxChar *szFormat, ...) \
- { \
- if ( wxLog::GetActiveTarget() != NULL ) { \
- va_list argptr; \
- va_start(argptr, szFormat); \
- wxVsprintf(s_szBuf, szFormat, argptr); \
- va_end(argptr); \
- \
- wxLog::OnLog(wxLOG_##level, s_szBuf, time(NULL)); \
- } \
+#define IMPLEMENT_LOG_FUNCTION(level) \
+ void wxVLog##level(const wxChar *szFormat, va_list argptr) \
+ { \
+ if ( IsLoggingEnabled() ) { \
+ wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); \
+ \
+ PrintfInLogBug(szFormat, argptr); \
+ \
+ wxLog::OnLog(wxLOG_##level, s_szBuf, time(NULL)); \
+ } \
+ } \
+ \
+ void wxLog##level(const wxChar *szFormat, ...) \
+ { \
+ va_list argptr; \
+ va_start(argptr, szFormat); \
+ wxVLog##level(szFormat, argptr); \
+ va_end(argptr); \
}
-IMPLEMENT_LOG_FUNCTION(FatalError)
IMPLEMENT_LOG_FUNCTION(Error)
IMPLEMENT_LOG_FUNCTION(Warning)
IMPLEMENT_LOG_FUNCTION(Message)
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, ...)
+void wxSafeShowMessage(const wxString& title, const wxString& text)
+{
+#ifdef __WINDOWS__
+ ::MessageBox(NULL, text, title, MB_OK | MB_ICONSTOP);
+#else
+ wxFprintf(stderr, _T("%s: %s\n"), title.c_str(), text.c_str());
+#endif
+}
+
+// fatal errors can't be suppressed nor handled by the custom log target and
+// always terminate the program
+void wxVLogFatalError(const wxChar *szFormat, va_list argptr)
+{
+ wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr);
+
+ wxSafeShowMessage(_T("Fatal Error"), s_szBuf);
+
+#ifdef __WXWINCE__
+ ExitThread(3);
+#else
+ abort();
+#endif
+}
+
+void wxLogFatalError(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);
+ wxVLogFatalError(szFormat, argptr);
- wxASSERT( gs_pFrame == NULL ); // should be reset!
- gs_pFrame = pFrame;
- wxLog::OnLog(wxLOG_Status, s_szBuf, time(NULL));
- gs_pFrame = (wxFrame *) NULL;
- }
+ // some compilers warn about unreachable code and it shouldn't matter
+ // for the others anyhow...
+ //va_end(argptr);
}
// same as info, but only if 'verbose' mode is on
+void wxVLogVerbose(const wxChar *szFormat, va_list argptr)
+{
+ if ( IsLoggingEnabled() ) {
+ if ( wxLog::GetActiveTarget() != NULL && wxLog::GetVerbose() ) {
+ wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
+
+ wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr);
+
+ wxLog::OnLog(wxLOG_Info, s_szBuf, time(NULL));
+ }
+ }
+}
+
void wxLogVerbose(const wxChar *szFormat, ...)
{
- wxLog *pLog = wxLog::GetActiveTarget();
- if ( pLog != NULL && pLog->GetVerbose() ) {
va_list argptr;
va_start(argptr, szFormat);
- wxVsprintf(s_szBuf, szFormat, argptr);
+ wxVLogVerbose(szFormat, argptr);
va_end(argptr);
-
- wxLog::OnLog(wxLOG_Info, s_szBuf, time(NULL));
- }
}
// debug functions
#ifdef __WXDEBUG__
-#define IMPLEMENT_LOG_DEBUG_FUNCTION(level) \
- void wxLog##level(const wxChar *szFormat, ...) \
- { \
- if ( wxLog::GetActiveTarget() != NULL ) { \
- va_list argptr; \
- va_start(argptr, szFormat); \
- wxVsprintf(s_szBuf, szFormat, argptr); \
- va_end(argptr); \
- \
- wxLog::OnLog(wxLOG_##level, s_szBuf, time(NULL)); \
- } \
+#define IMPLEMENT_LOG_DEBUG_FUNCTION(level) \
+ void wxVLog##level(const wxChar *szFormat, va_list argptr) \
+ { \
+ if ( IsLoggingEnabled() ) { \
+ wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); \
+ \
+ wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr); \
+ \
+ wxLog::OnLog(wxLOG_##level, s_szBuf, time(NULL)); \
+ } \
+ } \
+ void wxLog##level(const wxChar *szFormat, ...) \
+ { \
+ va_list argptr; \
+ va_start(argptr, szFormat); \
+ wxVLog##level(szFormat, argptr); \
+ va_end(argptr); \
}
- void wxLogTrace(const wxChar *mask, const wxChar *szFormat, ...)
+ void wxVLogTrace(const wxChar *mask, const wxChar *szFormat, va_list argptr)
{
- wxLog *pLog = wxLog::GetActiveTarget();
+ if ( IsLoggingEnabled() && wxLog::IsAllowedTraceMask(mask) ) {
+ wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
+
+ wxChar *p = s_szBuf;
+ size_t len = s_szBufSize;
+ wxStrncpy(s_szBuf, _T("("), len);
+ len -= 1; // strlen("(")
+ p += 1;
+ wxStrncat(p, mask, len);
+ size_t lenMask = wxStrlen(mask);
+ len -= lenMask;
+ p += lenMask;
+
+ wxStrncat(p, _T(") "), len);
+ len -= 2;
+ p += 2;
- if ( pLog != NULL && wxLog::IsAllowedTraceMask(mask) ) {
- va_list argptr;
- va_start(argptr, szFormat);
- wxVsprintf(s_szBuf, szFormat, argptr);
- va_end(argptr);
+ wxVsnprintf(p, len, szFormat, argptr);
wxLog::OnLog(wxLOG_Trace, s_szBuf, time(NULL));
}
}
- void wxLogTrace(wxTraceMask mask, const wxChar *szFormat, ...)
+ void wxLogTrace(const wxChar *mask, const wxChar *szFormat, ...)
{
- wxLog *pLog = wxLog::GetActiveTarget();
+ va_list argptr;
+ va_start(argptr, szFormat);
+ wxVLogTrace(mask, szFormat, argptr);
+ va_end(argptr);
+ }
+ void wxVLogTrace(wxTraceMask mask, const wxChar *szFormat, va_list argptr)
+ {
// 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);
- wxVsprintf(s_szBuf, szFormat, argptr);
- va_end(argptr);
+ if ( IsLoggingEnabled() && ((wxLog::GetTraceMask() & mask) == mask) ) {
+ wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
+
+ wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr);
wxLog::OnLog(wxLOG_Trace, s_szBuf, time(NULL));
}
}
+ void wxLogTrace(wxTraceMask mask, const wxChar *szFormat, ...)
+ {
+ va_list argptr;
+ va_start(argptr, szFormat);
+ wxVLogTrace(mask, szFormat, argptr);
+ va_end(argptr);
+ }
+
#else // release
#define IMPLEMENT_LOG_DEBUG_FUNCTION(level)
#endif
void wxLogSysErrorHelper(long lErrCode)
{
wxChar szErrMsg[LOG_BUFFER_SIZE / 2];
- wxSprintf(szErrMsg, _(" (error %ld: %s)"), lErrCode, wxSysErrorMsg(lErrCode));
- wxStrncat(s_szBuf, szErrMsg, WXSIZEOF(s_szBuf) - wxStrlen(s_szBuf));
+ wxSnprintf(szErrMsg, WXSIZEOF(szErrMsg),
+ _(" (error %ld: %s)"), lErrCode, wxSysErrorMsg(lErrCode));
+ wxStrncat(s_szBuf, szErrMsg, s_szBufSize - wxStrlen(s_szBuf));
wxLog::OnLog(wxLOG_Error, s_szBuf, time(NULL));
}
+void WXDLLEXPORT wxVLogSysError(const wxChar *szFormat, va_list argptr)
+{
+ if ( IsLoggingEnabled() ) {
+ wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
+
+ wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr);
+
+ wxLogSysErrorHelper(wxSysErrorCode());
+ }
+}
+
void WXDLLEXPORT wxLogSysError(const wxChar *szFormat, ...)
{
va_list argptr;
va_start(argptr, szFormat);
- wxVsprintf(s_szBuf, szFormat, argptr);
+ wxVLogSysError(szFormat, argptr);
va_end(argptr);
+}
+
+void WXDLLEXPORT wxVLogSysError(long lErrCode, const wxChar *szFormat, va_list argptr)
+{
+ if ( IsLoggingEnabled() ) {
+ wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
+
+ wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr);
- wxLogSysErrorHelper(wxSysErrorCode());
+ wxLogSysErrorHelper(lErrCode);
+ }
}
void WXDLLEXPORT wxLogSysError(long lErrCode, const wxChar *szFormat, ...)
{
va_list argptr;
va_start(argptr, szFormat);
- wxVsprintf(s_szBuf, szFormat, argptr);
+ wxVLogSysError(lErrCode, szFormat, argptr);
va_end(argptr);
-
- wxLogSysErrorHelper(lErrCode);
}
// ----------------------------------------------------------------------------
// wxLog class implementation
// ----------------------------------------------------------------------------
-wxLog::wxLog()
+wxChar *wxLog::SetLogBuffer( wxChar *buf, size_t size)
{
- m_bHasMessages = FALSE;
+ wxChar *oldbuf = s_szBuf;
- // enable verbose messages by default in the debug builds
-#ifdef __WXDEBUG__
- m_bVerbose = TRUE;
-#else // release
- m_bVerbose = FALSE;
-#endif // debug/release
+ if( buf == 0 )
+ {
+ s_szBuf = s_szBufStatic;
+ s_szBufSize = WXSIZEOF( s_szBufStatic );
+ }
+ else
+ {
+ s_szBuf = buf;
+ s_szBufSize = size;
+ }
+
+ return (oldbuf == s_szBufStatic ) ? 0 : oldbuf;
}
wxLog *wxLog::GetActiveTarget()
if ( ms_bAutoCreate && ms_pLogger == NULL ) {
// prevent infinite recursion if someone calls wxLogXXX() from
// wxApp::CreateLogTarget()
- static bool s_bInGetActiveTarget = FALSE;
+ static bool s_bInGetActiveTarget = false;
if ( !s_bInGetActiveTarget ) {
- s_bInGetActiveTarget = TRUE;
+ 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();
+ ms_pLogger = wxTheApp->GetTraits()->CreateLogTarget();
else
ms_pLogger = new wxLogStderr;
-#endif
- s_bInGetActiveTarget = FALSE;
+ s_bInGetActiveTarget = false;
// do nothing if it fails - what can we do?
}
return pOldLogger;
}
+void wxLog::DontCreateOnDemand()
+{
+ ms_bAutoCreate = false;
+
+ // this is usually called at the end of the program and we assume that it
+ // is *always* called at the end - so we free memory here to avoid false
+ // memory leak reports from wxWin memory tracking code
+ ClearTraceMasks();
+}
+
void wxLog::RemoveTraceMask(const wxString& str)
{
int index = ms_aTraceMasks.Index(str);
if ( index != wxNOT_FOUND )
- ms_aTraceMasks.Remove((size_t)index);
+ ms_aTraceMasks.RemoveAt((size_t)index);
+}
+
+void wxLog::ClearTraceMasks()
+{
+ ms_aTraceMasks.Clear();
}
void wxLog::TimeStamp(wxString *str)
wxStrftime(buf, WXSIZEOF(buf), ms_timestamp, localtime(&timeNow));
str->Empty();
- *str << buf << _T(": ");
+ *str << buf << wxT(": ");
}
}
DoLogString(wxString(_("Fatal error: ")) + szString, t);
DoLogString(_("Program aborted."), t);
Flush();
+#ifdef __WXWINCE__
+ ExitThread(3);
+#else
abort();
+#endif
break;
case wxLOG_Error:
case wxLOG_Info:
if ( GetVerbose() )
case wxLOG_Message:
+ case wxLOG_Status:
default: // log unknown log levels too
DoLogString(szString, t);
- // fall through
-
- case wxLOG_Status:
- // nothing to do
break;
case wxLOG_Trace:
case wxLOG_Debug:
#ifdef __WXDEBUG__
- DoLogString(szString, t);
-#endif
+ {
+ wxString msg = level == wxLOG_Trace ? wxT("Trace: ")
+ : wxT("Debug: ");
+ msg << szString;
+ DoLogString(msg, t);
+ }
+#endif // Debug
break;
}
}
void wxLog::DoLogString(const wxChar *WXUNUSED(szString), time_t WXUNUSED(t))
{
- wxFAIL_MSG(_T("DoLogString must be overriden if it's called."));
+ wxFAIL_MSG(wxT("DoLogString must be overriden if it's called."));
}
void wxLog::Flush()
{
- // do nothing
+ // nothing to do here
+}
+
+/*static*/ bool wxLog::IsAllowedTraceMask(const wxChar *mask)
+{
+ for ( wxArrayString::iterator it = ms_aTraceMasks.begin(),
+ en = ms_aTraceMasks.end();
+ it != en; ++it )
+ if ( *it == mask)
+ return true;
+ return false;
+}
+
+// ----------------------------------------------------------------------------
+// wxLogBuffer implementation
+// ----------------------------------------------------------------------------
+
+void wxLogBuffer::Flush()
+{
+ if ( !m_str.empty() )
+ {
+ wxMessageOutputBest out;
+ out.Printf(_T("%s"), m_str.c_str());
+ m_str.clear();
+ }
+}
+
+void wxLogBuffer::DoLog(wxLogLevel level, const wxChar *szString, time_t t)
+{
+ switch ( level )
+ {
+ case wxLOG_Trace:
+ case wxLOG_Debug:
+#ifdef __WXDEBUG__
+ // don't put debug messages in the buffer, we don't want to show
+ // them to the user in a msg box, log them immediately
+ {
+ wxString str;
+ TimeStamp(&str);
+ str += szString;
+
+ wxMessageOutputDebug dbgout;
+ dbgout.Printf(_T("%s\n"), str.c_str());
+ }
+#endif // __WXDEBUG__
+ break;
+
+ default:
+ wxLog::DoLog(level, szString, t);
+ }
+}
+
+void wxLogBuffer::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
+{
+ m_str << szString << _T("\n");
}
// ----------------------------------------------------------------------------
{
wxString str;
TimeStamp(&str);
- str << szString << _T('\n');
+ str << szString;
fputs(str.mb_str(), m_fp);
+ fputc(_T('\n'), 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
+ // under GUI systems such as Windows or Mac, programs usually don't have
+ // stderr at all, so show the messages also somewhere else, typically in
+ // the debugger window so that they go at least somewhere instead of being
+ // simply lost
+ if ( m_fp == stderr )
+ {
+ wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
+ if ( traits && !traits->HasStderr() )
+ {
+ wxMessageOutputDebug dbgout;
+ dbgout.Printf(_T("%s\n"), str.c_str());
+ }
+ }
}
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
#if wxUSE_STD_IOSTREAM
-wxLogStream::wxLogStream(ostream *ostr)
+#include "wx/ioswrap.h"
+wxLogStream::wxLogStream(wxSTD ostream *ostr)
{
if ( ostr == NULL )
- m_ostr = &cerr;
+ m_ostr = &wxSTD cerr;
else
m_ostr = ostr;
}
void wxLogStream::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
{
- (*m_ostr) << wxConvCurrent->cWX2MB(szString) << endl << flush;
+ wxString str;
+ TimeStamp(&str);
+ (*m_ostr) << wxConvertWX2MB(str) << wxConvertWX2MB(szString) << wxSTD endl;
}
#endif // wxUSE_STD_IOSTREAM
-#ifndef wxUSE_NOGUI
-
// ----------------------------------------------------------------------------
-// wxLogTextCtrl implementation
+// wxLogChain
// ----------------------------------------------------------------------------
-wxLogTextCtrl::wxLogTextCtrl(wxTextCtrl *pTextCtrl)
+wxLogChain::wxLogChain(wxLog *logger)
{
- m_pTextCtrl = pTextCtrl;
-}
+ m_bPassMessages = true;
-void wxLogTextCtrl::DoLogString(const wxChar *szString, time_t t)
-{
- wxString msg;
- TimeStamp(&msg);
- msg << szString << _T('\n');
-
- m_pTextCtrl->AppendText(msg);
+ m_logNew = logger;
+ m_logOld = wxLog::SetActiveTarget(this);
}
-// ----------------------------------------------------------------------------
-// wxLogGui implementation (FIXME MT-unsafe)
-// ----------------------------------------------------------------------------
-
-wxLogGui::wxLogGui()
+wxLogChain::~wxLogChain()
{
- Clear();
-}
+ delete m_logOld;
-void wxLogGui::Clear()
-{
- m_bErrors = m_bWarnings = FALSE;
- m_aMessages.Empty();
- m_aTimes.Empty();
+ if ( m_logNew != this )
+ delete m_logNew;
}
-void wxLogGui::Flush()
+void wxLogChain::SetLog(wxLog *logger)
{
- if ( !m_bHasMessages )
- return;
-
- // do it right now to block any new calls to Flush() while we're here
- m_bHasMessages = FALSE;
-
- // concatenate all strings (but not too many to not overfill the msg box)
- wxString str;
- size_t nLines = 0,
- nMsgCount = m_aMessages.Count();
-
- // 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;
-
- nLines += (m_aMessages[n - 1].Len() + nMsgLineWidth - 1) / nMsgLineWidth;
-
- if ( nLines > 25 ) // don't put too many lines in message box
- break;
-
- str << m_aMessages[n - 1] << _T("\n");
- }
-
- const wxChar *title;
- long style;
-
- 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);
+ if ( m_logNew != this )
+ delete m_logNew;
- // no undisplayed messages whatsoever
- Clear();
-
- // do it here again
- m_bHasMessages = FALSE;
+ m_logNew = logger;
}
-// the default behaviour is to discard all informational messages if there
-// are any errors/warnings.
-void wxLogGui::DoLog(wxLogLevel level, const wxChar *szString, time_t t)
+void wxLogChain::Flush()
{
- 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:
-#if wxUSE_STATUSBAR
- {
- // 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);
- }
-#endif // wxUSE_STATUSBAR
- break;
+ if ( m_logOld )
+ m_logOld->Flush();
- 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
- wxString str;
- TimeStamp(&str);
- str << szString << _T("\n\r");
- OutputDebugString(str);
- #else
- // send them to stderr
- wxFprintf(stderr, _T("%s: %s\n"),
- level == wxLOG_Trace ? _T("Trace")
- : _T("Debug"),
- 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_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);
- m_bHasMessages = TRUE;
- break;
- }
+ // be careful to avoid infinite recursion
+ if ( m_logNew && m_logNew != this )
+ m_logNew->Flush();
}
-// ----------------------------------------------------------------------------
-// wxLogWindow and wxLogFrame implementation
-// ----------------------------------------------------------------------------
-
-// log frame class
-// ---------------
-class wxLogFrame : public wxFrame
+void wxLogChain::DoLog(wxLogLevel level, const wxChar *szString, time_t t)
{
-public:
- // ctor & dtor
- wxLogFrame(wxFrame *pParent, wxLogWindow *log, const wxChar *szTitle);
- virtual ~wxLogFrame();
-
- // menu callbacks
- void OnClose(wxCommandEvent& event);
- void OnCloseWindow(wxCloseEvent& event);
-#if wxUSE_FILE
- void OnSave (wxCommandEvent& event);
-#endif // wxUSE_FILE
- void OnClear(wxCommandEvent& event);
-
- void OnIdle(wxIdleEvent&);
-
- // accessors
- wxTextCtrl *TextCtrl() const { return m_pTextCtrl; }
-
-private:
- enum
+ // let the previous logger show it
+ if ( m_logOld && IsPassingMessages() )
{
- 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)
-#if wxUSE_FILE
- EVT_MENU(Menu_Save, wxLogFrame::OnSave)
-#endif // wxUSE_FILE
- EVT_MENU(Menu_Clear, wxLogFrame::OnClear)
-
- EVT_CLOSE(wxLogFrame::OnCloseWindow)
-END_EVENT_TABLE()
-
-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;
-#if wxUSE_FILE
- pMenu->Append(Menu_Save, _("&Save..."), _("Save log contents to file"));
-#endif // wxUSE_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);
-
-#if wxUSE_STATUSBAR
- // status bar for menu prompts
- CreateStatusBar();
-#endif // wxUSE_STATUSBAR
-
- m_log->OnFrameCreate(this);
-}
-
-void wxLogFrame::OnClose(wxCommandEvent& WXUNUSED(event))
-{
- DoClose();
-}
-
-void wxLogFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
-{
- DoClose();
-}
-
-#if wxUSE_FILE
-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;
- }
-
- // 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
- // -------------------------
- 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 ( !bOk ) {
- wxLogError(_("Can't save log contents to file."));
- }
- else {
- wxLogStatus(this, _("Log saved to the file '%s'."), szFileName);
- }
-}
-#endif // wxUSE_FILE
-
-void wxLogFrame::OnClear(wxCommandEvent& WXUNUSED(event))
-{
- m_pTextCtrl->Clear();
-}
-
-wxLogFrame::~wxLogFrame()
-{
- m_log->OnFrameDelete(this);
-}
-
-// wxLogWindow
-// -----------
-wxLogWindow::wxLogWindow(wxFrame *pParent,
- const wxChar *szTitle,
- bool bShow,
- bool bDoPass)
-{
- 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)
-{
- m_pLogFrame->Show(bShow);
-}
-
-void wxLogWindow::Flush()
-{
- if ( m_pOldLog != NULL )
- m_pOldLog->Flush();
-
- m_bHasMessages = FALSE;
-}
-
-void wxLogWindow::DoLog(wxLogLevel level, const wxChar *szString, time_t t)
-{
- // 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);
+ // bogus cast just to access protected DoLog
+ ((wxLogChain *)m_logOld)->DoLog(level, szString, t);
}
- if ( m_pLogFrame ) {
- switch ( level ) {
- case wxLOG_Status:
- // by default, these messages are ignored by wxLog, so process
- // them ourselves
- if ( !wxIsEmpty(szString) )
- {
- 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);
- }
+ if ( m_logNew && m_logNew != this )
+ {
+ // as above...
+ ((wxLogChain *)m_logNew)->DoLog(level, szString, t);
}
-
- m_bHasMessages = TRUE;
-}
-
-void wxLogWindow::DoLogString(const wxChar *szString, time_t WXUNUSED(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
-
- wxString msg;
- TimeStamp(&msg);
- msg << szString << _T('\n');
-
- pText->AppendText(msg);
-
- // TODO ensure that the line can be seen
}
-wxFrame *wxLogWindow::GetFrame() const
-{
- return m_pLogFrame;
-}
-
-void wxLogWindow::OnFrameCreate(wxFrame * WXUNUSED(frame))
-{
-}
+// ----------------------------------------------------------------------------
+// wxLogPassThrough
+// ----------------------------------------------------------------------------
-void wxLogWindow::OnFrameDelete(wxFrame * WXUNUSED(frame))
-{
- m_pLogFrame = (wxLogFrame *)NULL;
-}
+#ifdef __VISUALC__
+ // "'this' : used in base member initializer list" - so what?
+ #pragma warning(disable:4355)
+#endif // VC++
-wxLogWindow::~wxLogWindow()
+wxLogPassThrough::wxLogPassThrough()
+ : wxLogChain(this)
{
- delete m_pOldLog;
-
- // may be NULL if log frame already auto destroyed itself
- delete m_pLogFrame;
}
-#endif //wxUSE_NOGUI
+#ifdef __VISUALC__
+ #pragma warning(default:4355)
+#endif // VC++
// ============================================================================
// Global functions/variables
// ----------------------------------------------------------------------------
wxLog *wxLog::ms_pLogger = (wxLog *)NULL;
-bool wxLog::ms_doLog = TRUE;
-bool wxLog::ms_bAutoCreate = TRUE;
+bool wxLog::ms_doLog = true;
+bool wxLog::ms_bAutoCreate = true;
+bool wxLog::ms_bVerbose = false;
+
+wxLogLevel wxLog::ms_logLevel = wxLOG_Max; // log everything by default
+
+size_t wxLog::ms_suspendCount = 0;
-const wxChar *wxLog::ms_timestamp = _T("%X"); // time only, no date
+const wxChar *wxLog::ms_timestamp = wxT("%X"); // time only, no date
wxTraceMask wxLog::ms_ulTraceMask = (wxTraceMask)0;
wxArrayString wxLog::ms_aTraceMasks;
// get error code from syste
unsigned long wxSysErrorCode()
{
-#ifdef __WXMSW__
-#ifdef __WIN32__
+#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
return ::GetLastError();
-#else //WIN16
- // TODO what to do on Windows 3.1?
- return 0;
-#endif //WIN16/32
#else //Unix
return errno;
#endif //Win/Unix
if ( nErrCode == 0 )
nErrCode = wxSysErrorCode();
-#ifdef __WXMSW__
-#ifdef __WIN32__
+#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
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,
+ if ( ::FormatMessage
+ (
+ FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
+ NULL,
+ nErrCode,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR)&lpMsgBuf,
- 0, NULL);
+ 0,
+ NULL
+ ) == 0 )
+ {
+ // if this happens, something is seriously wrong, so don't use _() here
+ // for safety
+ wxSprintf(s_szBuf, _T("unknown error %lx"), nErrCode);
+ return s_szBuf;
+ }
+
// 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
- if ( s_szBuf[len - 2] == _T('\r') )
- s_szBuf[len - 2] = _T('\0');
+ // Crashes on SmartPhone (FIXME)
+#if !defined(__SMARTPHONE__) /* of WinCE */
+ if( lpMsgBuf != 0 )
+ {
+ wxStrncpy(s_szBuf, (const wxChar *)lpMsgBuf, WXSIZEOF(s_szBuf) - 1);
+ s_szBuf[WXSIZEOF(s_szBuf) - 1] = wxT('\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
+ if ( s_szBuf[len - 2] == wxT('\r') )
+ s_szBuf[len - 2] = wxT('\0');
+ }
+ }
+ else
+#endif
+ {
+ s_szBuf[0] = wxT('\0');
}
return s_szBuf;
-#else //Win16
- // TODO
- return NULL;
-#endif // Win16/32
-#else // Unix
+#else // Unix-WXMICROWIN
#if wxUSE_UNICODE
static wxChar s_szBuf[LOG_BUFFER_SIZE / 2];
wxConvCurrent->MB2WC(s_szBuf, strerror(nErrCode), WXSIZEOF(s_szBuf) -1);
return s_szBuf;
#else
- return strerror(nErrCode);
+ return strerror((int)nErrCode);
#endif
-#endif // Win/Unix
-}
-
-// ----------------------------------------------------------------------------
-// debug helper
-// ----------------------------------------------------------------------------
-
-#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
-void wxOnAssert(const wxChar *szFile, int nLine, const wxChar *szMsg)
-{
- // 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
-
- if ( s_bInAssert ) {
- // He-e-e-e-elp!! we're trapped in endless loop
- Trap();
-
- s_bInAssert = FALSE;
-
- return;
- }
-
- 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__
- wxSprintf(szBuf, _T("%s(%d): assert failed"), szFile, nLine);
-#else // !VC++
- // make the error message more clear for all the others
- wxSprintf(szBuf, _T("Assert failed in file %s at line %d"), szFile, nLine);
-#endif // VC/!VC
-
- if ( szMsg != NULL ) {
- wxStrcat(szBuf, _T(": "));
- wxStrcat(szBuf, szMsg);
- }
- else {
- wxStrcat(szBuf, _T("."));
- }
-
- if ( !s_bNoAsserts ) {
- // 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
- }
-
- s_bInAssert = FALSE;
+#endif // Win/Unix-WXMICROWIN
}
-#endif //WXDEBUG
+#endif // wxUSE_LOG
projects / wxWidgets.git / blobdiff