kde-workspace/ksmserver/screenlocker/greeter/sessions.h
2014-11-13 19:30:51 +02:00

95 lines
2.9 KiB
C++

/********************************************************************
KSld - the KDE Screenlocker Daemon
This file is part of the KDE project.
Copyright (C) 2011 Martin Gräßlin <mgraesslin@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the 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 GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#ifndef SCREENLOCKER_SESSIONS_H
#define SCREENLOCKER_SESSIONS_H
#include <QtCore/QAbstractItemModel>
namespace ScreenLocker
{
class UserSessionsModel : public QAbstractListModel
{
Q_OBJECT
public:
UserSessionsModel(QObject *parent = 0);
virtual ~UserSessionsModel();
virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
virtual QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
virtual Qt::ItemFlags flags(const QModelIndex &index) const;
private:
class UserSessionItem;
void init();
QList<UserSessionItem> m_model;
};
class UserSessionsModel::UserSessionItem
{
public:
UserSessionItem(const QString &session, const QString &location, int vt, bool enabled)
: m_session(session)
, m_location(location)
, m_vt(vt)
, m_enabled(enabled)
{}
QString m_session;
QString m_location;
int m_vt;
bool m_enabled;
};
class SessionSwitching : public QObject
{
Q_OBJECT
Q_PROPERTY(bool switchUserSupported READ isSwitchUserSupported CONSTANT)
Q_PROPERTY(bool startNewSessionSupported READ isStartNewSessionSupported CONSTANT)
Q_PROPERTY(QAbstractItemModel* model READ sessionModel)
public:
SessionSwitching(QObject *parent = NULL);
virtual ~SessionSwitching();
QAbstractItemModel *sessionModel() {
return m_sessionModel;
}
/**
* @returns @c true if switching between user sessions is possible, @c false otherwise.
**/
bool isSwitchUserSupported() const;
/**
* @returns @c true if a new session can be started, @c false otherwise.
**/
bool isStartNewSessionSupported() const;
public Q_SLOTS:
/**
* Invoke to start a new session if allowed.
**/
void startNewSession();
void activateSession(int index);
private:
UserSessionsModel *m_sessionModel;
};
} // namespace
Q_DECLARE_METATYPE(ScreenLocker::UserSessionsModel*)
#endif // SCREENLOCKER_SESSIONS_H