Major changes in wxVidXANIM (support for output filtering)

Several API addings
Added process.cpp, process.h and utilsunx.cpp in wxMMedia directory
They should be moved to src/unix, src/common and include/wx to use them


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6280 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

utils/wxMMedia2/process.h

@@ -0,0 +1,86 @@
+/////////////////////////////////////////////////////////////////////////////
+// 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:      $Id$
+// 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"
+#include "wx/stream.h"
+
+// 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, bool needPipe = FALSE, int id = -1);
+    ~wxProcess();
+
+    virtual void OnTerminate(int pid, int status);
+
+    // detach from the parent - should be called by the parent if it's deleted
+    // before the process it started terminates
+    void Detach();
+
+    // Pipe handling
+    wxInputStream *GetInputStream() const;
+    wxOutputStream *GetOutputStream() const;
+
+    // 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;
+
+protected:
+    int m_id;
+    bool m_needPipe;
+    wxInputStream *m_in_stream;
+    wxOutputStream *m_out_stream;
+};
+
+typedef void (wxObject::*wxProcessEventFunction)(wxProcessEvent&);
+
+#define EVT_END_PROCESS(id, func) { wxEVT_END_PROCESS, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxProcessEventFunction) & func, NULL},
+
+#endif
+    // _WX_PROCESSH__