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1. wxProcess changes to make capturing subprocess output easier (and more

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reliable), now works in both sync and async modes
2. wxSafeYieldBug() corrected, wxWindowDisabler which is now used in it
   added and documented
3. exec sample updated to illustrate capturing the subprocess output
4. wxStreamBase::IsOk() added
5. wxInputStream::Eof() added and non-blocking Eof() implementation in
   wxPipeInputStream used by wxExecute


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6400 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2000-03-02 19:06:13 +00:00
parent 21e5527b59
commit cd6ce4a90c
16 changed files with 570 additions and 297 deletions
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36
include/wx/process.h
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@@ -52,30 +52,42 @@ 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();
// Pipe handling
wxInputStream *GetInputStream() const;
wxOutputStream *GetOutputStream() const;
wxInputStream *GetInputStream() const { return m_inputStream; }
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;
// implementation only (for wxExecute)
void SetPipeStreams(wxInputStream *inStream, wxOutputStream *outStream);
protected:
void Init(wxEvtHandler *parent, int id, bool redirect);
int m_id;
bool m_needPipe;
wxInputStream *m_in_stream;
wxOutputStream *m_out_stream;
wxInputStream *m_inputStream;
wxOutputStream *m_outputStream;
bool m_redirect;
};
typedef void (wxObject::*wxProcessEventFunction)(wxProcessEvent&);