68a602fcd2
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10453 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
///////////////////////////////////////////////////////////////////////////////
|
|
// Name: wx/snglinst.h
|
|
// Purpose: wxSingleInstanceChecker can be used to restrict the number of
|
|
// simultaneously running copies of a program to one
|
|
// Author: Vadim Zeitlin
|
|
// Modified by:
|
|
// Created: 08.06.01
|
|
// RCS-ID: $Id$
|
|
// Copyright: (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
|
|
// Licence: wxWindows licence
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef _WX_SNGLINST_H_
|
|
#define _WX_SNGLINST_H_
|
|
|
|
#ifdef __GNUG__
|
|
#pragma interface "snglinst.h"
|
|
#endif
|
|
|
|
#if wxUSE_SNGLINST_CHECKER
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxSingleInstanceChecker
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLEXPORT wxSingleInstanceChecker
|
|
{
|
|
public:
|
|
// default ctor, use Create() after it
|
|
wxSingleInstanceChecker() { Init(); }
|
|
|
|
// like Create() but no error checking (dangerous!)
|
|
wxSingleInstanceChecker(const wxString& name,
|
|
const wxString& path = wxEmptyString)
|
|
{
|
|
Init();
|
|
Create(name, path);
|
|
}
|
|
|
|
// name must be given and be as unique as possible, it is used as the mutex
|
|
// name under Win32 and the lock file name under Unix -
|
|
// wxTheApp->GetAppName() may be a good value for this parameter
|
|
//
|
|
// path is optional and is ignored under Win32 and used as the directory to
|
|
// create the lock file in under Unix (default is wxGetHomeDir())
|
|
//
|
|
// returns FALSE if initialization failed, it doesn't mean that another
|
|
// instance is running - use IsAnotherRunning() to check it
|
|
bool Create(const wxString& name, const wxString& path = wxEmptyString);
|
|
|
|
// is another copy of this program already running?
|
|
bool IsAnotherRunning() const;
|
|
|
|
// dtor is not virtual, this class is not meant to be used polymorphically
|
|
~wxSingleInstanceChecker();
|
|
|
|
private:
|
|
// common part of all ctors
|
|
void Init() { m_impl = NULL; }
|
|
|
|
// the implementation details (platform specific)
|
|
class WXDLLEXPORT wxSingleInstanceCheckerImpl *m_impl;
|
|
};
|
|
|
|
#endif // wxUSE_SNGLINST_CHECKER
|
|
|
|
#endif // _WX_SNGLINST_H_
|