On screens with restricted space, it's useful to be able to add controls

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

diff --git a/include/wx/log.h b/include/wx/log.h
index eef804d039944775069cbbb5c1d72d5fdd8a4fb5..29c3464b30de6c2f2e5fd10bc93f775d7b4d736f 100644 (file)
--- a/include/wx/log.h
+++ b/include/wx/log.h
@@ -12,10 +12,6 @@
 #ifndef _WX_LOG_H_
 #define _WX_LOG_H_
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma interface "log.h"
-#endif
-
 #include "wx/defs.h"
 
 // ----------------------------------------------------------------------------
@@ -288,11 +284,33 @@ private:
 // "trivial" derivations of wxLog
 // ----------------------------------------------------------------------------
 
+// log everything to a buffer
+class WXDLLIMPEXP_BASE wxLogBuffer : public wxLog
+{
+public:
+    wxLogBuffer() { }
+
+    // get the string contents with all messages logged
+    const wxString& GetBuffer() const { return m_str; }
+
+    // show the buffer contents to the user in the best possible way (this uses
+    // wxMessageOutputMessageBox) and clear it
+    virtual void Flush();
+
+protected:
+    virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t);
+    virtual void DoLogString(const wxChar *szString, time_t t);
+
+private:
+    wxString m_str;
+
+    DECLARE_NO_COPY_CLASS(wxLogBuffer)
+};
+
+
 // log everything to a "FILE *", stderr by default
 class WXDLLIMPEXP_BASE wxLogStderr : public wxLog
 {
-    DECLARE_NO_COPY_CLASS(wxLogStderr)
-
 public:
     // redirect log output to a FILE
     wxLogStderr(FILE *fp = (FILE *) NULL);
@@ -302,6 +320,8 @@ protected:
     virtual void DoLogString(const wxChar *szString, time_t t);
 
     FILE *m_fp;
+
+    DECLARE_NO_COPY_CLASS(wxLogStderr)
 };
 
 #if wxUSE_STD_IOSTREAM
@@ -534,12 +554,15 @@ DECLARE_LOG_FUNCTION2(SysError, long, lErrCode);
     DECLARE_LOG_FUNCTION2(Trace, wxTraceMask, mask);
 #else   //!debug
     // these functions do nothing in release builds
+
+    // note that leaving out "fmt" in the vararg functions provokes a warning
+    // from SGI CC: "the last argument of the varargs function is unnamed"
     inline void wxVLogDebug(const wxChar *, va_list) { }
-    inline void wxLogDebug(const wxChar *, ...) { }
+    inline void wxLogDebug(const wxChar *fmt, ...) { wxUnusedVar(fmt); }
     inline void wxVLogTrace(wxTraceMask, const wxChar *, va_list) { }
-    inline void wxLogTrace(wxTraceMask, const wxChar *, ...) { }
+    inline void wxLogTrace(wxTraceMask, const wxChar *fmt, ...) { wxUnusedVar(fmt); }
     inline void wxVLogTrace(const wxChar *, const wxChar *, va_list) { }
-    inline void wxLogTrace(const wxChar *, const wxChar *, ...) { }
+    inline void wxLogTrace(const wxChar *, const wxChar *fmt, ...) { wxUnusedVar(fmt); }
 #endif // debug/!debug
 
 // wxLogFatalError helper: show the (fatal) error to the user in a safe way,