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33 lines
1.2 KiB
C++
33 lines
1.2 KiB
C++
/* This file is part of the KDE project
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Copyright (C) 2005 Lubos Lunak <l.lunak@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <X11/Xlib.h>
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/*
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Return 0 when KDE is running, 1 when KDE is not running but it is possible
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to connect to X, 2 when it's not possible to connect to X.
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*/
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int main()
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{
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Display* dpy = XOpenDisplay( NULL );
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if( dpy == NULL )
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return 2;
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Atom atom = XInternAtom( dpy, "_KDE_RUNNING", False );
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return XGetSelectionOwner( dpy, atom ) != None ? 0 : 1;
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}
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