include/wx/msw/evtloopconsole.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/evtloopconsole.h
   3 // Purpose:     wxConsoleEventLoop class for Windows
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     2004-07-31
   7 // Copyright:   (c) 2003-2004 Vadim Zeitlin <vadim@wxwindows.org>
   8 // Licence:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_MSW_EVTLOOPCONSOLE_H_
  12 #define _WX_MSW_EVTLOOPCONSOLE_H_
  13
  14 class WXDLLIMPEXP_BASE wxMSWEventLoopBase : public wxEventLoopManual
  15 {
  16 public:
  17     wxMSWEventLoopBase();
  18
  19     // implement base class pure virtuals
  20     virtual bool Pending() const;
  21
  22 protected:
  23     // get the next message from queue and return true or return false if we
  24     // got WM_QUIT or an error occurred
  25     bool GetNextMessage(WXMSG *msg);
  26
  27     // same as above but with a timeout and return value can be -1 meaning that
  28     // time out expired in addition to
  29     int GetNextMessageTimeout(WXMSG *msg, unsigned long timeout);
  30 };
  31
  32 #if wxUSE_CONSOLE_EVENTLOOP
  33
  34 class WXDLLIMPEXP_BASE wxConsoleEventLoop : public wxMSWEventLoopBase
  35 {
  36 public:
  37     wxConsoleEventLoop() { }
  38
  39     // override/implement base class virtuals
  40     virtual bool Dispatch();
  41     virtual int DispatchTimeout(unsigned long timeout);
  42     virtual void WakeUp();
  43     virtual bool YieldFor(long WXUNUSED(eventsToProcess)) { return true; }
  44
  45     // Windows-specific function to process a single message
  46     virtual void ProcessMessage(WXMSG *msg);
  47 };
  48
  49 #endif // wxUSE_CONSOLE_EVENTLOOP
  50
  51 #endif // _WX_MSW_EVTLOOPCONSOLE_H_