git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@35650 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			66 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
///////////////////////////////////////////////////////////////////////////////
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// Name:        wx/snglinst.h
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// Purpose:     wxSingleInstanceChecker can be used to restrict the number of
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//              simultaneously running copies of a program to one
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// Author:      Vadim Zeitlin
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// Modified by:
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// Created:     08.06.01
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// RCS-ID:      $Id$
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// Copyright:   (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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// Licence:     wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_SNGLINST_H_
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#define _WX_SNGLINST_H_
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#if wxUSE_SNGLINST_CHECKER
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// ----------------------------------------------------------------------------
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// wxSingleInstanceChecker
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_BASE wxSingleInstanceChecker
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{
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public:
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    // default ctor, use Create() after it
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    wxSingleInstanceChecker() { Init(); }
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    // like Create() but no error checking (dangerous!)
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    wxSingleInstanceChecker(const wxString& name,
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                            const wxString& path = wxEmptyString)
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    {
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        Init();
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        Create(name, path);
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    }
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    // name must be given and be as unique as possible, it is used as the mutex
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    // name under Win32 and the lock file name under Unix -
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    // wxTheApp->GetAppName() may be a good value for this parameter
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    //
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    // path is optional and is ignored under Win32 and used as the directory to
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    // create the lock file in under Unix (default is wxGetHomeDir())
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    //
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    // returns false if initialization failed, it doesn't mean that another
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    // instance is running - use IsAnotherRunning() to check it
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    bool Create(const wxString& name, const wxString& path = wxEmptyString);
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    // is another copy of this program already running?
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    bool IsAnotherRunning() const;
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    // dtor is not virtual, this class is not meant to be used polymorphically
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    ~wxSingleInstanceChecker();
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private:
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    // common part of all ctors
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    void Init() { m_impl = NULL; }
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    // the implementation details (platform specific)
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    class WXDLLIMPEXP_BASE wxSingleInstanceCheckerImpl *m_impl;
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    DECLARE_NO_COPY_CLASS(wxSingleInstanceChecker)
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};
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#endif // wxUSE_SNGLINST_CHECKER
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#endif // _WX_SNGLINST_H_
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