corrected comment

[wxWidgets.git] / include / wx / process.h

diff --git a/include/wx/process.h b/include/wx/process.h
index 19ae35c1f65b9b88dbf5c4fce978d6c338b55e58..ca13ae2d596e158015f1160002c134ee62f2f672 100644 (file)
--- a/include/wx/process.h
+++ b/include/wx/process.h
@@ -19,7 +19,10 @@
 #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
@@ -52,35 +55,59 @@ class WXDLLEXPORT wxProcess : public wxEvtHandler
 DECLARE_DYNAMIC_CLASS(wxProcess)
 
 public:
-    wxProcess(wxEvtHandler *parent = (wxEvtHandler *) NULL, bool needPipe = FALSE, int id = -1);
-    ~wxProcess();
+    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;
-    wxOutputStream *GetOutputStream() const;
+    wxInputStream *GetInputStream() const { return m_inputStream; }
+    wxInputStream *GetErrorStream() const { return m_errorStream; }
+    wxOutputStream *GetOutputStream() const { return m_outputStream; }
 
-    // These functions should not be called by the usual user. They are only
-    // intended to be used by wxExecute.
-    // Install pipes
-    void SetPipeStreams(wxInputStream *in_stream, wxOutputStream *out_stream);
-    bool NeedPipe() const;
+    // 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;
-    bool m_needPipe;
-    wxInputStream *m_in_stream;
-    wxOutputStream *m_out_stream;
+
+#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},
+#define EVT_END_PROCESS(id, func) \
+   wxEventTableEntry( wxEVT_END_PROCESS, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxProcessEventFunction) & func, NULL),
 
 #endif
     // _WX_PROCESSH__