wxWidgets/include/wx/unix/apptbase.h

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///////////////////////////////////////////////////////////////////////////////
// Name: wx/unix/apptbase.h
// Purpose: declaration of wxAppTraits for Unix systems
// Author: Vadim Zeitlin
// Modified by:
// Created: 23.06.2003
// RCS-ID: $Id$
// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_UNIX_APPTBASE_H_
#define _WX_UNIX_APPTBASE_H_
struct wxEndProcessData;
struct wxExecuteData;
// ----------------------------------------------------------------------------
// wxAppTraits: the Unix version adds extra hooks needed by Unix code
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_BASE wxAppTraits : public wxAppTraitsBase
{
public:
// wxExecute() support methods
// ---------------------------
// wait for the process termination, return whatever wxExecute() must
// return
//
// base class implementation handles all cases except wxEXEC_SYNC without
// wxEXEC_NOEVENTS one which is implemented at the GUI level
virtual int WaitForChild(wxExecuteData& execData);
// integrate the monitoring of the given fd with the port-specific event
// loop: when this fd, which corresponds to a dummy pipe opened between the
// parent and child processes, is closed by the child, the parent is
// notified about this via a call to wxHandleProcessTermination() function
//
// the default implementation uses wxFDIODispatcher and so is suitable for
// the console applications or ports which don't have any specific event
// loop
virtual int AddProcessCallback(wxEndProcessData *data, int fd);
protected:
// a helper for the implementation of WaitForChild() in wxGUIAppTraits:
// checks the streams used for redirected IO in execData and returns true
// if there is any activity in them
bool CheckForRedirectedIO(wxExecuteData& execData);
};
#endif // _WX_UNIX_APPTBASE_H_