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     virtual int DispatchTimeout(unsigned long timeout);
  31
  32     // returns DirectFB event buffer used by wx
  33     static wxIDirectFBEventBufferPtr GetDirectFBEventBuffer();
  34
  35     // wxYield implementation: iterate the loop as long as there are any
  36     // pending events
  37     void Yield();
  38
  39 protected:
  40     virtual void WakeUp();
  41     virtual void OnNextIteration();
  42
  43     virtual void HandleDFBEvent(const wxDFBEvent& event);
  44
  45 private:
  46     static void InitBuffer();
  47     static void CleanUp();
  48
  49     friend class wxApp; // calls CleanUp() and WakeUp()
  50
  51 private:
  52     static wxIDirectFBEventBufferPtr ms_buffer;
  53
  54     DECLARE_NO_COPY_CLASS(wxGUIEventLoop)
  55 };
  56
  57 #endif // _WX_DFB_EVTLOOP_H_