/usr/include/kviewstatemaintainer.h is in kdelibs5-dev 4:4.13.3-0ubuntu0.5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Copyright (C) 2010 Klarälvdalens Datakonsult AB,
a KDAB Group company, info@kdab.net,
author Stephen Kelly <stephen@kdab.com>
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
This library 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 Library General Public
License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
#ifndef KVIEWSTATEMAINTAINER_H
#define KVIEWSTATEMAINTAINER_H
#include "kdeui_export.h"
#include <QtGui/QItemSelectionModel>
#include <QtGui/QAbstractItemView>
#include "kconfiggroup.h"
#include "ksharedconfig.h"
class KViewStateMaintainerBasePrivate;
class KDEUI_EXPORT KViewStateMaintainerBase : public QObject
{
Q_OBJECT
public:
KViewStateMaintainerBase(KConfigGroup configGroup, QObject* parent = 0);
~KViewStateMaintainerBase();
void setSelectionModel(QItemSelectionModel *selectionModel);
QItemSelectionModel *selectionModel() const;
void setView(QAbstractItemView *view);
QAbstractItemView *view() const;
virtual void saveState() = 0;
virtual void restoreState() = 0;
protected:
KConfigGroup configGroup() const;
private:
Q_DECLARE_PRIVATE(KViewStateMaintainerBase)
KViewStateMaintainerBasePrivate * const d_ptr;
Q_PRIVATE_SLOT( d_func(), void _k_modelAboutToBeReset() )
Q_PRIVATE_SLOT( d_func(), void _k_modelReset() )
};
/**
* @brief Encapsulates the maintenance of state between resets of QAbstractItemModel
*
* @code
* m_collectionViewStateMaintainer = new KViewStateMaintainer<Akonadi::ETMViewStateSaver>(KGlobal::config()->group("collectionView"));
* m_collectionViewStateMaintainer->setView(m_collectionView);
*
* m_collectionCheckStateMaintainer = new KViewStateMaintainer<Akonadi::ETMViewStateSaver>(KGlobal::config()->group("collectionCheckState"));
* m_collectionCheckStateMaintainer->setSelectionModel(m_checkableProxy->selectionModel());
* @endcode
*
* @see KViewStateSaver
*/
template<typename StateSaver>
class KViewStateMaintainer : public KViewStateMaintainerBase
{
typedef StateSaver StateRestorer;
public:
KViewStateMaintainer(KConfigGroup configGroup, QObject* parent = 0)
: KViewStateMaintainerBase(configGroup, parent)
{
}
/* reimp */ void saveState()
{
StateSaver saver;
saver.setView(view());
saver.setSelectionModel(selectionModel());
KConfigGroup cfg = configGroup();
saver.saveState(cfg);
cfg.sync();
}
/* reimp */ void restoreState()
{
StateRestorer *restorer = new StateRestorer;
restorer->setView(view());
restorer->setSelectionModel(selectionModel());
restorer->restoreState(configGroup());
}
};
#endif
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