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/////////////////////////////////////////////////////////////////////////////
// Name: process.h
// Purpose: wxProcess class
// Author: Guilhem Lavaux
// Modified by: Vadim Zeitlin to check error codes, added Detach() method
// Created: 24/06/98
// RCS-ID: $Id: process.h,v 1.9.2.3 2000/05/26 15:18:07 VZ Exp $
// Copyright: (c) 1998 Guilhem Lavaux
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_PROCESSH__
#define _WX_PROCESSH__
#ifdef __GNUG__
#pragma interface "process.h"
#endif
#include "wx/defs.h"
#include "wx/object.h"
#include "wx/event.h"
#if wxUSE_STREAMS
#include "wx/stream.h"
#endif
// Process Event handling
class WXDLLEXPORT wxProcessEvent : public wxEvent
{
DECLARE_DYNAMIC_CLASS(wxProcessEvent)
public:
wxProcessEvent(int id = 0, int pid = 0, int exitcode = 0) : wxEvent(id)
{
m_eventType = wxEVT_END_PROCESS;
m_pid = pid;
m_exitcode = exitcode;
}
// accessors
// PID of process which terminated
int GetPid() { return m_pid; }
// the exit code
int GetExitCode() { return m_exitcode; }
public:
int m_pid, m_exitcode;
};
// A wxProcess object should be passed to wxExecute - than its OnTerminate()
// function will be called when the process terminates.
class WXDLLEXPORT wxProcess : public wxEvtHandler
{
DECLARE_DYNAMIC_CLASS(wxProcess)
public:
wxProcess(wxEvtHandler *parent = (wxEvtHandler *) NULL, int id = -1)
{ Init(parent, id, FALSE); }
wxProcess(wxEvtHandler *parent, bool redirect)
{ Init(parent, -1, redirect); }
virtual ~wxProcess();
// may be overridden to be notified about process termination
virtual void OnTerminate(int pid, int status);
// call this before passing the object to wxExecute() to redirect the
// launched process stdin/stdout, then use GetInputStream() and
// GetOutputStream() to get access to them
void Redirect() { m_redirect = TRUE; }
bool IsRedirected() const { return m_redirect; }
// detach from the parent - should be called by the parent if it's deleted
// before the process it started terminates
void Detach();
#if wxUSE_STREAMS
// Pipe handling
wxInputStream *GetInputStream() const { return m_inputStream; }
wxInputStream *GetErrorStream() const { return m_errorStream; }
wxOutputStream *GetOutputStream() const { return m_outputStream; }
// close the output stream indicating that nothing more will be written
void CloseOutput() { delete m_outputStream; m_outputStream = NULL; }
// implementation only (for wxExecute)
void SetPipeStreams(wxInputStream *inStream,
wxOutputStream *outStream,
wxInputStream *errStream);
#endif // wxUSE_STREAMS
protected:
void Init(wxEvtHandler *parent, int id, bool redirect);
int m_id;
#if wxUSE_STREAMS
wxInputStream *m_inputStream,
*m_errorStream;
wxOutputStream *m_outputStream;
#endif // wxUSE_STREAMS
bool m_redirect;
};
typedef void (wxObject::*wxProcessEventFunction)(wxProcessEvent&);
#define EVT_END_PROCESS(id, func) { wxEVT_END_PROCESS, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxProcessEventFunction) & func, NULL},
#endif
// _WX_PROCESSH__
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