///////////////////////////////////////////////////////////////////////////////

// Name:        wx/unix/evtloop.h

// Purpose:     declares wxEventLoop class

// Author:      Lukasz Michalski (lm@zork.pl)

// Created:     2007-05-07

// Copyright:   (c) 2007 Lukasz Michalski

// Licence:     wxWindows licence

///////////////////////////////////////////////////////////////////////////////

#ifndef _WX_UNIX_EVTLOOP_H_

#define _WX_UNIX_EVTLOOP_H_

#if wxUSE_CONSOLE_EVENTLOOP

// ----------------------------------------------------------------------------

// wxConsoleEventLoop

// ----------------------------------------------------------------------------

class wxEventLoopSource;

class wxFDIODispatcher;

class wxWakeUpPipe;

class WXDLLIMPEXP_BASE wxConsoleEventLoop

#ifdef __DARWIN__

: public wxCFEventLoop

#else

: public wxEventLoopManual

#endif

{

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 override;

    virtual bool Dispatch() override;

    virtual int DispatchTimeout(unsigned long timeout) override;

    virtual void WakeUp() override;

    virtual bool IsOk() const override { return m_dispatcher != nullptr; }

protected:

    virtual void OnNextIteration() override;

    virtual void DoYieldFor(long eventsToProcess) override;

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

    wxWakeUpPipe *m_wakeupPipe;

    // the event loop source used to monitor this pipe

    wxEventLoopSource* m_wakeupSource;

    // either wxSelectDispatcher or wxEpollDispatcher

    wxFDIODispatcher *m_dispatcher;

    wxDECLARE_NO_COPY_CLASS(wxConsoleEventLoop);

};

#endif // wxUSE_CONSOLE_EVENTLOOP

#endif // _WX_UNIX_EVTLOOP_H_