Extract wxFDIOHandler in its own header.

The files defining classes processing events on file descriptor only need this
class and not wxFDIODispatcher itself so reduce build dependencies by extracting
wxFDIOHandler in a separate header which they can include instead of the
entire fdiodispatcher.h.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61686 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/private/fdiodispatcher.h

@@ -12,27 +12,7 @@
 #define _WX_PRIVATE_FDIODISPATCHER_H_
 
 #include "wx/hashmap.h"
-
-// handler used to process events on descriptors
-class wxFDIOHandler
-{
-public:
-    // called when descriptor is available for non-blocking read
-    virtual void OnReadWaiting() = 0;
-
-    // called when descriptor is available  for non-blocking write
-    virtual void OnWriteWaiting() = 0;
-
-    // called when there is exception on descriptor
-    virtual void OnExceptionWaiting() = 0;
-
-    // called to check if the handler is still valid, only used by
-    // wxSocketImplUnix currently
-    virtual bool IsOk() const { return true; }
-
-    // virtual dtor for the base class
-    virtual ~wxFDIOHandler() { }
-};
+#include "wx/private/fdiohandler.h"
 
 // those flags describes sets where descriptor should be added
 enum wxFDIODispatcherEntryFlags

include/wx/private/fdiohandler.h

@@ -0,0 +1,39 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/private/fdiohandler.h
+// Purpose:     declares wxFDIOHandler class
+// Author:      Vadim Zeitlin
+// Created:     2009-08-17
+// RCS-ID:      $Id: wxhead.h,v 1.11 2009-06-29 10:23:04 zeitlin Exp $
+// Copyright:   (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_PRIVATE_FDIOHANDLER_H_
+#define _WX_PRIVATE_FDIOHANDLER_H_
+
+// ----------------------------------------------------------------------------
+// wxFDIOHandler: interface used to process events on file descriptors
+// ----------------------------------------------------------------------------
+
+class wxFDIOHandler
+{
+public:
+    // called when descriptor is available for non-blocking read
+    virtual void OnReadWaiting() = 0;
+
+    // called when descriptor is available  for non-blocking write
+    virtual void OnWriteWaiting() = 0;
+
+    // called when there is exception on descriptor
+    virtual void OnExceptionWaiting() = 0;
+
+    // called to check if the handler is still valid, only used by
+    // wxSocketImplUnix currently
+    virtual bool IsOk() const { return true; }
+
+    // virtual dtor for the base class
+    virtual ~wxFDIOHandler() { }
+};
+
+#endif // _WX_PRIVATE_FDIOHANDLER_H_
+