Add exemple for redirecting cout

[wxWidgets.git] / include / wx / log.h

diff --git a/include/wx/log.h b/include/wx/log.h
index 31f283dfdbd35bac4f15bceb5bd53bc1c99e4480..f5138cf988e40d91f0fbc23a7dbd9e1761c6ca81 100644 (file)
--- a/include/wx/log.h
+++ b/include/wx/log.h
@@ -67,13 +67,13 @@ enum
 // discarded unless the string "foo" has been added to the list of allowed
 // ones with AddTraceMask()
 
-#define wxTRACE_MemAlloc "memalloc" // trace memory allocation (new/delete)
-#define wxTRACE_Messages "messages" // trace window messages/X callbacks
-#define wxTRACE_ResAlloc "resalloc" // trace GDI resource allocation
-#define wxTRACE_RefCount "refcount" // trace various ref counting operations
+#define wxTRACE_MemAlloc wxT("memalloc") // trace memory allocation (new/delete)
+#define wxTRACE_Messages wxT("messages") // trace window messages/X callbacks
+#define wxTRACE_ResAlloc wxT("resalloc") // trace GDI resource allocation
+#define wxTRACE_RefCount wxT("refcount") // trace various ref counting operations
 
 #ifdef  __WXMSW__
-    #define wxTRACE_OleCalls "ole"  // OLE interface calls
+    #define wxTRACE_OleCalls wxT("ole")  // OLE interface calls
 #endif
 
 // the trace masks have been superceded by symbolic trace constants, they're
@@ -132,12 +132,29 @@ public:
     bool HasPendingMessages() const { return m_bHasMessages; }
 
     // only one sink is active at each moment
+        // flush the active target if any
+    static void FlushActive()
+    {
+        if ( !ms_suspendCount )
+        {
+            wxLog *log = GetActiveTarget();
+            if ( log && log->HasPendingMessages() )
+                log->Flush();
+        }
+    }
         // get current log target, will call wxApp::CreateLogTarget() to
         // create one if none exists
     static wxLog *GetActiveTarget();
         // change log target, pLogger may be NULL
     static wxLog *SetActiveTarget(wxLog *pLogger);
 
+        // suspend the message flushing of the main target until the next call
+        // to Resume() - this is mainly for internal use (to prevent wxYield()
+        // from flashing the messages)
+    static void Suspend() { ms_suspendCount++; }
+        // must be called for each Suspend()!
+    static void Resume() { ms_suspendCount--; }
+
     // functions controlling the default wxLog behaviour
         // verbose mode is activated by standard command-line '-verbose'
         // option
@@ -198,6 +215,8 @@ private:
     static bool        ms_doLog;        // FALSE => all logging disabled
     static bool        ms_bAutoCreate;  // create new log targets on demand?
 
+    static size_t      ms_suspendCount; // if positive, logs are not flushed
+
     // format string for strftime(), if NULL, time stamping log messages is
     // disabled
     static const wxChar *ms_timestamp;
@@ -245,7 +264,7 @@ protected:
 // GUI part (andnot just the base one) of the library, they're implemented in
 // src/generic/logg.cpp *and not src/common/log.cpp unlike all the rest)
 
-#ifndef wxUSE_NOGUI
+#if wxUSE_GUI
 
 // log everything to a text window (GUI only of course)
 class WXDLLEXPORT wxLogTextCtrl : public wxLog
@@ -279,8 +298,9 @@ protected:
     // empty everything
     void Clear();
 
-    wxArrayString m_aMessages;
-    wxArrayLong   m_aTimes;
+    wxArrayString m_aMessages;      // the log message texts
+    wxArrayInt    m_aSeverity;      // one of wxLOG_XXX values
+    wxArrayLong   m_aTimes;         // the time of each message
     bool          m_bErrors,        // do we have any errors?
                   m_bWarnings;      // any warnings?
 };
@@ -338,7 +358,7 @@ private:
     wxLogFrame *m_pLogFrame;      // the log frame
 };
 
-#endif // wxUSE_NOGUI
+#endif // wxUSE_GUI
 
 // ----------------------------------------------------------------------------
 // /dev/null log target: suppress logging until this object goes out of scope
@@ -464,7 +484,7 @@ DECLARE_LOG_FUNCTION2(SysError, long lErrCode);
 // ----------------------------------------------------------------------------
 
 #ifndef __TFILE__
-    #define __XFILE__(x) _T(x)
+    #define __XFILE__(x) Tx)
     #define __TFILE__ __XFILE__(__FILE__)
 #endif
 
@@ -472,15 +492,15 @@ DECLARE_LOG_FUNCTION2(SysError, long lErrCode);
     // make life easier for people using VC++ IDE: clicking on the message
     // will take us immediately to the place of the failed API
 #ifdef __VISUALC__
-    #define wxLogApiError(api, rc)                                              \
-        wxLogDebug(_T("%s(%d): '%s' failed with error 0x%08lx (%s)."),          \
-                   __TFILE__, __LINE__, api,                                    \
+    #define wxLogApiError(api, rc)                                            \
+        wxLogDebug(wxT("%s(%d): '%s' failed with error 0x%08lx (%s)."),       \
+                   __TFILE__, __LINE__, _T(api),                              \
                    rc, wxSysErrorMsg(rc))
 #else // !VC++
-    #define wxLogApiError(api, rc)                                              \
-        wxLogDebug(_T("In file %s at line %d: '%s' failed with "                \
-                      "error 0x%08lx (%s)."),                                   \
-                   __TFILE__, __LINE__, api,                                    \
+    #define wxLogApiError(api, rc)                                            \
+        wxLogDebug(wxT("In file %s at line %d: '%s' failed with "             \
+                      "error 0x%08lx (%s)."),                                 \
+                   __TFILE__, __LINE__, _T(api),                              \
                    rc, wxSysErrorMsg(rc))
 #endif // VC++/!VC++