f6bcfd974e
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@7748 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
113 lines
3.2 KiB
C++
113 lines
3.2 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: process.h
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// Purpose: wxProcess class
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// Author: Guilhem Lavaux
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// Modified by: Vadim Zeitlin to check error codes, added Detach() method
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// Created: 24/06/98
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// RCS-ID: $Id$
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// Copyright: (c) 1998 Guilhem Lavaux
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_PROCESSH__
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#define _WX_PROCESSH__
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#ifdef __GNUG__
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#pragma interface "process.h"
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#endif
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#include "wx/defs.h"
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#include "wx/object.h"
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#include "wx/event.h"
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#if wxUSE_STREAMS
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#include "wx/stream.h"
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#endif
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// Process Event handling
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class WXDLLEXPORT wxProcessEvent : public wxEvent
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{
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DECLARE_DYNAMIC_CLASS(wxProcessEvent)
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public:
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wxProcessEvent(int id = 0, int pid = 0, int exitcode = 0) : wxEvent(id)
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{
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m_eventType = wxEVT_END_PROCESS;
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m_pid = pid;
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m_exitcode = exitcode;
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}
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// accessors
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// PID of process which terminated
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int GetPid() { return m_pid; }
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// the exit code
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int GetExitCode() { return m_exitcode; }
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public:
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int m_pid, m_exitcode;
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};
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// A wxProcess object should be passed to wxExecute - than its OnTerminate()
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// function will be called when the process terminates.
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class WXDLLEXPORT wxProcess : public wxEvtHandler
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{
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DECLARE_DYNAMIC_CLASS(wxProcess)
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public:
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wxProcess(wxEvtHandler *parent = (wxEvtHandler *) NULL, int id = -1)
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{ Init(parent, id, FALSE); }
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wxProcess(wxEvtHandler *parent, bool redirect)
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{ Init(parent, -1, redirect); }
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virtual ~wxProcess();
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// may be overridden to be notified about process termination
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virtual void OnTerminate(int pid, int status);
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// call this before passing the object to wxExecute() to redirect the
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// launched process stdin/stdout, then use GetInputStream() and
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// GetOutputStream() to get access to them
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void Redirect() { m_redirect = TRUE; }
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bool IsRedirected() const { return m_redirect; }
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// detach from the parent - should be called by the parent if it's deleted
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// before the process it started terminates
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void Detach();
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#if wxUSE_STREAMS
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// Pipe handling
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wxInputStream *GetInputStream() const { return m_inputStream; }
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wxInputStream *GetErrorStream() const { return m_errorStream; }
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wxOutputStream *GetOutputStream() const { return m_outputStream; }
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// close the output stream indicating that nothing more will be written
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void CloseOutput() { delete m_outputStream; m_outputStream = NULL; }
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// implementation only (for wxExecute)
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void SetPipeStreams(wxInputStream *inStream,
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wxOutputStream *outStream,
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wxInputStream *errStream);
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#endif // wxUSE_STREAMS
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protected:
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void Init(wxEvtHandler *parent, int id, bool redirect);
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int m_id;
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#if wxUSE_STREAMS
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wxInputStream *m_inputStream,
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*m_errorStream;
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wxOutputStream *m_outputStream;
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#endif // wxUSE_STREAMS
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bool m_redirect;
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};
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typedef void (wxObject::*wxProcessEventFunction)(wxProcessEvent&);
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#define EVT_END_PROCESS(id, func) { wxEVT_END_PROCESS, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxProcessEventFunction) & func, NULL},
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#endif
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// _WX_PROCESSH__
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