initial (not yet working) code for DirectFB port

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40865 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/dfb/evtloop.h

@@ -0,0 +1,51 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/dfb/evtloop.h
+// Purpose:     declares wxEventLoop class
+// Author:      Vaclav Slavik
+// Created:     2006-08-16
+// RCS-ID:      $Id$
+// Copyright:   (c) 2006 REA Elektronik GmbH
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_DFB_EVTLOOP_H_
+#define _WX_DFB_EVTLOOP_H_
+
+#include "wx/dfb/ifacehelpers.h"
+
+wxDFB_DECLARE_INTERFACE(IDirectFBEventBuffer);
+struct wxDFBEvent;
+
+// ----------------------------------------------------------------------------
+// wxEventLoop
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxEventLoop : public wxEventLoopManual
+{
+public:
+    wxEventLoop();
+
+    virtual bool Pending() const;
+    virtual bool Dispatch();
+
+    // returns DirectFB event buffer used by wx
+    static IDirectFBEventBufferPtr GetDirectFBEventBuffer();
+
+protected:
+    virtual void WakeUp();
+    virtual void OnNextIteration();
+
+    virtual void HandleDFBEvent(const wxDFBEvent& event);
+
+private:
+    static void InitBuffer();
+
+private:
+    static IDirectFBEventBufferPtr ms_buffer;
+
+    friend class wxApp; // calls WakeUp()
+
+    DECLARE_NO_COPY_CLASS(wxEventLoop)
+};
+
+#endif // _WX_DFB_EVTLOOP_H_