http://code.google.com/p/rpcs3/source/detail?r=44

wxWidgets/include/wx/univ/scrtimer.h

@@ -0,0 +1,51 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/univ/scrtimer.h
+// Purpose:     wxScrollTimer: small helper class for wxScrollArrow/Thumb
+// Author:      Vadim Zeitlin
+// Modified by:
+// Created:     18.02.01
+// RCS-ID:      $Id: scrtimer.h 39633 2006-06-08 11:25:30Z ABX $
+// Copyright:   (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_UNIV_SCRTIMER_H
+#define _WX_UNIV_SCRTIMER_H
+
+// NB: this class is implemented in scrolbar.cpp
+
+#include "wx/defs.h"
+
+#if wxUSE_TIMER
+
+#include "wx/timer.h"
+
+// ----------------------------------------------------------------------------
+// wxScrollTimer: the timer used when the arrow or scrollbar shaft is kept
+// pressed
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxScrollTimer : public wxTimer
+{
+public:
+    // default ctor
+    wxScrollTimer();
+
+    // start generating the events
+    void StartAutoScroll();
+
+    // the base class method
+    virtual void Notify();
+
+protected:
+    // to implement in derived classes: perform the scroll action and return
+    // true to continue scrolling or false to stop
+    virtual bool DoNotify() = 0;
+
+    // should we skip the next timer event?
+    bool m_skipNext;
+};
+
+#endif // wxUSE_TIMER
+
+#endif // _WX_UNIV_SCRTIMER_H