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dmctl.h

/*
   Copyright (C) 2004,2005 Oswald Buddenhagen <ossi@kde.org>
   Copyright (C) 2005 Stephan Kulow <coolo@kde.org>

   This program is free software; you can redistribute it and/or
   modify it under the terms of the Lesser GNU General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    General Public License for more details.

   You should have received a copy of the Lesser GNU General Public License
   along with this program; see the file COPYING.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

#ifndef DMCTL_H
#define DMCTL_H

#include <kapplication.h>

struct SessEnt {
      QString display, from, user, session;
      int vt;
      bool self:1, tty:1;
};

typedef QValueList<SessEnt> SessList;

class DM {

#ifdef Q_WS_X11

public:
      DM();
      ~DM();

      bool canShutdown();
      void shutdown( KApplication::ShutdownType shutdownType,
                     KApplication::ShutdownMode shutdownMode,
                     const QString &bootOption = QString::null );

      void setLock( bool on );

      bool isSwitchable();
      int numReserve();
      void startReserve();
      bool localSessions( SessList &list );
      bool switchVT( int vt );
      void lockSwitchVT( int vt );

      bool bootOptions( QStringList &opts, int &dflt, int &curr );

      static QString sess2Str( const SessEnt &se );
      static void sess2Str2( const SessEnt &se, QString &user, QString &loc );

private:
      int fd;

      bool exec( const char *cmd, QCString &ret );
      bool exec( const char *cmd );

      void GDMAuthenticate();

#else // Q_WS_X11

public:
      DM() {}

      bool canShutdown() { return false; }
      void shutdown( KApplication::ShutdownType shutdownType,
                     KApplication::ShutdownMode shutdownMode,
                     const QString &bootOption = QString::null ) {}

      void setLock( bool ) {}

      bool isSwitchable() { return false; }
      int numReserve() { return -1; }
      void startReserve() {}
      bool localSessions( SessList &list ) { return false; }
      void switchVT( int vt ) {}

      bool bootOptions( QStringList &opts, int &dflt, int &curr );

#endif // Q_WS_X11

}; // class DM

#endif // DMCTL_H

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