wxWidgets/include/wx/unix/evtloop.h

59 lines
1.7 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: wx/unix/evtloop.h
// Purpose: declares wxEventLoop class
// Author: Lukasz Michalski (lm@zork.pl)
// Created: 2007-05-07
// RCS-ID: $Id$
// Copyright: (c) 2007 Lukasz Michalski
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_UNIX_EVTLOOP_H_
#define _WX_UNIX_EVTLOOP_H_
#if wxUSE_CONSOLE_EVENTLOOP
// ----------------------------------------------------------------------------
// wxConsoleEventLoop
// ----------------------------------------------------------------------------
class wxFDIODispatcher;
namespace wxPrivate
{
class PipeIOHandler;
};
class WXDLLIMPEXP_BASE wxConsoleEventLoop : public wxEventLoopManual
{
public:
// initialize the event loop, use IsOk() to check if we were successful
wxConsoleEventLoop();
virtual ~wxConsoleEventLoop();
// implement base class pure virtuals
virtual bool Pending() const;
virtual bool Dispatch();
virtual int DispatchTimeout(unsigned long timeout);
virtual void WakeUp();
virtual bool IsOk() const { return m_dispatcher != NULL; }
virtual bool YieldFor(long WXUNUSED(eventsToProcess)) { return true; }
protected:
virtual void OnNextIteration();
private:
// pipe used for wake up messages: when a child thread wants to wake up
// the event loop in the main thread it writes to this pipe
wxPrivate::PipeIOHandler *m_wakeupPipe;
// either wxSelectDispatcher or wxEpollDispatcher
wxFDIODispatcher *m_dispatcher;
wxDECLARE_NO_COPY_CLASS(wxConsoleEventLoop);
};
#endif // wxUSE_CONSOLE_EVENTLOOP
#endif // _WX_UNIX_EVTLOOP_H_