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///////////////////////////////////////////////////////////////////////////////
// Name: wx/msw/evtloopconsole.h
// Purpose: wxConsoleEventLoop class for Windows
// Author: Vadim Zeitlin
// Modified by:
// Created: 2004-07-31
// Copyright: (c) 2003-2004 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_MSW_EVTLOOPCONSOLE_H_
#define _WX_MSW_EVTLOOPCONSOLE_H_
class WXDLLIMPEXP_BASE wxMSWEventLoopBase : public wxEventLoopManual
{
public:
wxMSWEventLoopBase();
virtual ~wxMSWEventLoopBase();
// implement base class pure virtuals
virtual bool Pending() const wxOVERRIDE;
virtual void WakeUp() wxOVERRIDE;
#if wxUSE_THREADS
// MSW-specific method to wait for the termination of the specified (by its
// native handle) thread or any input message arriving (in GUI case).
//
// Return value is WAIT_OBJECT_0 if the thread terminated, WAIT_OBJECT_0+1
// if a message arrived with anything else indicating an error.
WXDWORD MSWWaitForThread(WXHANDLE hThread);
#endif // wxUSE_THREADS
// Return true if wake up was requested and not handled yet, i.e. if
// m_heventWake is signaled.
bool MSWIsWakeUpRequested();
protected:
// get the next message from queue and return true or return false if we
// got WM_QUIT or an error occurred
bool GetNextMessage(WXMSG *msg);
// same as above but with a timeout and return value can be -1 meaning that
// time out expired in addition to true/false
int GetNextMessageTimeout(WXMSG *msg, unsigned long timeout);
private:
// An auto-reset Win32 event which is signalled when we need to wake up the
// main thread waiting in GetNextMessage[Timeout]().
WXHANDLE m_heventWake;
};
#if wxUSE_CONSOLE_EVENTLOOP
class WXDLLIMPEXP_BASE wxConsoleEventLoop : public wxMSWEventLoopBase
{
public:
wxConsoleEventLoop() { }
// override/implement base class virtuals
virtual bool Dispatch() wxOVERRIDE;
virtual int DispatchTimeout(unsigned long timeout) wxOVERRIDE;
// Windows-specific function to process a single message
virtual void ProcessMessage(WXMSG *msg);
protected:
virtual void DoYieldFor(long eventsToProcess) wxOVERRIDE;
};
#endif // wxUSE_CONSOLE_EVENTLOOP
#endif // _WX_MSW_EVTLOOPCONSOLE_H_
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