55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/private/fdiohandler.h
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// Purpose: declares wxFDIOHandler class
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// Author: Vadim Zeitlin
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// Created: 2009-08-17
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// RCS-ID: $Id: fdiohandler.h 64140 2010-04-25 21:33:16Z FM $
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// Copyright: (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_PRIVATE_FDIOHANDLER_H_
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#define _WX_PRIVATE_FDIOHANDLER_H_
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// ----------------------------------------------------------------------------
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// wxFDIOHandler: interface used to process events on file descriptors
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// ----------------------------------------------------------------------------
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class wxFDIOHandler
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{
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public:
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wxFDIOHandler() { m_regmask = 0; }
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// called when descriptor is available for non-blocking read
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virtual void OnReadWaiting() = 0;
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// called when descriptor is available for non-blocking write
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virtual void OnWriteWaiting() = 0;
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// called when there is exception on descriptor
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virtual void OnExceptionWaiting() = 0;
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// called to check if the handler is still valid, only used by
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// wxSocketImplUnix currently
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virtual bool IsOk() const { return true; }
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// get/set the mask of events for which we're currently registered for:
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// it's a combination of wxFDIO_{INPUT,OUTPUT,EXCEPTION}
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int GetRegisteredEvents() const { return m_regmask; }
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void SetRegisteredEvent(int flag) { m_regmask |= flag; }
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void ClearRegisteredEvent(int flag) { m_regmask &= ~flag; }
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// virtual dtor for the base class
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virtual ~wxFDIOHandler() { }
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private:
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int m_regmask;
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wxDECLARE_NO_COPY_CLASS(wxFDIOHandler);
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};
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#endif // _WX_PRIVATE_FDIOHANDLER_H_
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