include/wx/dfb/evtloop.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/dfb/evtloop.h
   3 // Purpose:     declares wxEventLoop class
   4 // Author:      Vaclav Slavik
   5 // Created:     2006-08-16
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2006 REA Elektronik GmbH
   8 // Licence:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_DFB_EVTLOOP_H_
  12 #define _WX_DFB_EVTLOOP_H_
  13
  14 #include "wx/dfb/dfbptr.h"
  15
  16 wxDFB_DECLARE_INTERFACE(IDirectFBEventBuffer);
  17 struct wxDFBEvent;
  18
  19 // ----------------------------------------------------------------------------
  20 // wxEventLoop
  21 // ----------------------------------------------------------------------------
  22
  23 class WXDLLIMPEXP_CORE wxGUIEventLoop : public wxEventLoopManual
  24 {
  25 public:
  26     wxGUIEventLoop();
  27
  28     virtual bool Pending() const;
  29     virtual bool Dispatch();
  30
  31     // returns DirectFB event buffer used by wx
  32     static wxIDirectFBEventBufferPtr GetDirectFBEventBuffer();
  33
  34     // wxYield implementation: iterate the loop as long as there are any
  35     // pending events
  36     void Yield();
  37
  38 protected:
  39     virtual void WakeUp();
  40     virtual void OnNextIteration();
  41
  42     virtual void HandleDFBEvent(const wxDFBEvent& event);
  43
  44 private:
  45     static void InitBuffer();
  46     static void CleanUp();
  47
  48     friend class wxApp; // calls CleanUp() and WakeUp()
  49
  50 private:
  51     static wxIDirectFBEventBufferPtr ms_buffer;
  52
  53     DECLARE_NO_COPY_CLASS(wxGUIEventLoop)
  54 };
  55
  56 #endif // _WX_DFB_EVTLOOP_H_