// Name: process.h
// Purpose: wxProcess class
// Author: Guilhem Lavaux
-// Modified by:
+// Modified by: Vadim Zeitlin to check error codes, added Detach() method
// Created: 24/06/98
// RCS-ID: $Id$
// Copyright: (c) 1998 Guilhem Lavaux
-// Licence: wxWindows license
+// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_PROCESSH__
#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(wxProcess)
public:
- wxProcess(wxEvtHandler *parent = (wxEvtHandler *) NULL, int id = -1);
+ 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&);