define wxUSE_LINE_IN_LISTBOOK to avoid -Wundef warnings (but define it as 0 so thje...

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

diff --git a/include/wx/msgout.h b/include/wx/msgout.h
index cab47aa087ab7814229a37c66cc15ead42b80dd5..f9dcef7892aee5cba607d9e464df6095b25b0039 100755 (executable)
--- a/include/wx/msgout.h
+++ b/include/wx/msgout.h
@@ -5,7 +5,7 @@
 // Modified by:
 // Created:     17.07.02
 // RCS-ID:      $Id$
-// Copyright:   (c) wxWindows team
+// Copyright:   (c) Mattia Barbon
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
@@ -18,7 +18,7 @@
 
 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) && !defined(__EMX__)
 // Some older compilers (such as EMX) cannot handle
-// #pragma interface/implementation correctly, iff 
+// #pragma interface/implementation correctly, iff
 // #pragma implementation is used in _two_ translation
 // units (as created by e.g. event.cpp compiled for
 // libwx_base and event.cpp compiled for libwx_gui_core).
@@ -43,7 +43,8 @@ public:
     // show a message to the user
     virtual void Printf(const wxChar* format, ...)  ATTRIBUTE_PRINTF_2 = 0;
 
-    // gets the current wxMessageOutput object
+    // gets the current wxMessageOutput object (may be NULL during
+    // initialization or shutdown)
     static wxMessageOutput* Get();
 
     // sets the global wxMessageOutput instance; returns the previous one
@@ -53,6 +54,24 @@ private:
     static wxMessageOutput* ms_msgOut;
 };
 
+// ----------------------------------------------------------------------------
+// implementation showing the message to the user in "best" possible way: uses
+// native message box if available (currently only under Windows) and stderr
+// otherwise; unlike wxMessageOutputMessageBox this class is always safe to use
+// ----------------------------------------------------------------------------
+
+#if wxABI_VERSION > 20601
+
+class WXDLLIMPEXP_BASE wxMessageOutputBest : public wxMessageOutput
+{
+public:
+    wxMessageOutputBest() { }
+
+    virtual void Printf(const wxChar* format, ...) ATTRIBUTE_PRINTF_2;
+};
+
+#endif // wxABI_VERSION
+
 // ----------------------------------------------------------------------------
 // implementation which sends output to stderr
 // ----------------------------------------------------------------------------