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84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
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///////////////////////////////////////////////////////////////////////////////
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// Name: src/unix/apptraits.cpp
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// Purpose: implementation of wxGUIAppTraits for Unix systems
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// Author: Vadim Zeitlin
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// Created: 2008-03-22
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// RCS-ID: $Id: apptraits.cpp 52742 2008-03-23 18:24:27Z PC $
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// Copyright: (c) 2008 Vadim Zeitlin <vadim@wxwindows.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// for compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#include "wx/apptrait.h"
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#ifndef WX_PRECOMP
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#include "wx/utils.h"
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#endif // WX_PRECOMP
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#include "wx/unix/execute.h"
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// ============================================================================
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// implementation
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// ============================================================================
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int wxGUIAppTraits::WaitForChild(wxExecuteData& execData)
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{
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const int flags = execData.flags;
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if ( !(flags & wxEXEC_SYNC) || (flags & wxEXEC_NOEVENTS) )
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{
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// async or blocking sync cases are already handled by the base class
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// just fine, no need to duplicate its code here
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return wxAppTraits::WaitForChild(execData);
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}
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// here we're dealing with the case of synchronous execution when we want
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// to process the GUI events while waiting for the child termination
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wxEndProcessData endProcData;
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endProcData.pid = execData.pid;
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endProcData.tag = AddProcessCallback
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(
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&endProcData,
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execData.GetEndProcReadFD()
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);
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endProcData.async = false;
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// prepare to wait for the child termination: show to the user that we're
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// busy and refuse all input unless explicitly told otherwise
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wxBusyCursor bc;
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wxWindowDisabler wd(!(flags & wxEXEC_NODISABLE));
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// endProcData.pid will be set to 0 from wxHandleProcessTermination() when
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// the process terminates
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while ( endProcData.pid != 0 )
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{
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// don't consume 100% of the CPU while we're sitting in this
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// loop
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if ( !CheckForRedirectedIO(execData) )
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wxMilliSleep(1);
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// give the toolkit a chance to call wxHandleProcessTermination() here
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// and also repaint the GUI and handle other accumulated events
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wxYield();
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}
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return endProcData.exitcode;
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}
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