git.saurik.com Git - wxWidgets.git/blame_incremental

... / ...

Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: process.h
	3	// Purpose: wxProcess class
	4	// Author: Guilhem Lavaux
	5	// Modified by: Vadim Zeitlin to check error codes, added Detach() method
	6	// Created: 24/06/98
	7	// RCS-ID: $Id$
	8	// Copyright: (c) 1998 Guilhem Lavaux
	9	// Licence: wxWindows license
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#ifndef _WX_PROCESSH__
	13	#define _WX_PROCESSH__
	14
	15	#ifdef __GNUG__
	16	#pragma interface "process.h"
	17	#endif
	18
	19	#include "wx/defs.h"
	20	#include "wx/object.h"
	21	#include "wx/event.h"
	22
	23	#if wxUSE_STREAMS
	24	#include "wx/stream.h"
	25	#endif
	26
	27	// Process Event handling
	28	class WXDLLEXPORT wxProcessEvent : public wxEvent
	29	{
	30	DECLARE_DYNAMIC_CLASS(wxProcessEvent)
	31
	32	public:
	33	wxProcessEvent(int id = 0, int pid = 0, int exitcode = 0) : wxEvent(id)
	34	{
	35	m_eventType = wxEVT_END_PROCESS;
	36	m_pid = pid;
	37	m_exitcode = exitcode;
	38	}
	39
	40	// accessors
	41	// PID of process which terminated
	42	int GetPid() { return m_pid; }
	43
	44	// the exit code
	45	int GetExitCode() { return m_exitcode; }
	46
	47	public:
	48	int m_pid, m_exitcode;
	49	};
	50
	51	// A wxProcess object should be passed to wxExecute - than its OnTerminate()
	52	// function will be called when the process terminates.
	53	class WXDLLEXPORT wxProcess : public wxEvtHandler
	54	{
	55	DECLARE_DYNAMIC_CLASS(wxProcess)
	56
	57	public:
	58	wxProcess(wxEvtHandler parent = (wxEvtHandler ) NULL, int id = -1)
	59	{ Init(parent, id, FALSE); }
	60	wxProcess(wxEvtHandler *parent, bool redirect)
	61	{ Init(parent, -1, redirect); }
	62
	63	virtual ~wxProcess();
	64
	65	// may be overridden to be notified about process termination
	66	virtual void OnTerminate(int pid, int status);
	67
	68	// call this before passing the object to wxExecute() to redirect the
	69	// launched process stdin/stdout, then use GetInputStream() and
	70	// GetOutputStream() to get access to them
	71	void Redirect() { m_redirect = TRUE; }
	72	bool IsRedirected() const { return m_redirect; }
	73
	74	// detach from the parent - should be called by the parent if it's deleted
	75	// before the process it started terminates
	76	void Detach();
	77
	78	#if wxUSE_STREAMS
	79	// Pipe handling
	80	wxInputStream *GetInputStream() const { return m_inputStream; }
	81	wxInputStream *GetErrorStream() const { return m_errorStream; }
	82	wxOutputStream *GetOutputStream() const { return m_outputStream; }
	83
	84	// close the output stream indicating that nothing more will be written
	85	void CloseOutput() { delete m_outputStream; m_outputStream = NULL; }
	86
	87	// implementation only (for wxExecute)
	88	void SetPipeStreams(wxInputStream *inStream,
	89	wxOutputStream *outStream,
	90	wxInputStream *errStream);
	91	#endif // wxUSE_STREAMS
	92
	93	protected:
	94	void Init(wxEvtHandler *parent, int id, bool redirect);
	95
	96	int m_id;
	97
	98	#if wxUSE_STREAMS
	99	wxInputStream *m_inputStream,
	100	*m_errorStream;
	101	wxOutputStream *m_outputStream;
	102	#endif // wxUSE_STREAMS
	103
	104	bool m_redirect;
	105	};
	106
	107	typedef void (wxObject::*wxProcessEventFunction)(wxProcessEvent&);
	108
	109	#define EVT_END_PROCESS(id, func) { wxEVT_END_PROCESS, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxProcessEventFunction) & func, NULL},
	110
	111	#endif
	112	// _WX_PROCESSH__