kde-playground/massif-visualizer/visualizer/totalcostmodel.h
2015-09-30 16:47:20 +03:00

95 lines
2.9 KiB
C++

/*
This file is part of Massif Visualizer
Copyright 2010 Milian Wolff <mail@milianw.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) version 3, or any
later version accepted by the membership of KDE e.V. (or its
successor approved by the membership of KDE e.V.), which shall
act as a proxy defined in Section 6 of version 3 of the license.
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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MASSIF_TOTALCOSTMODEL_H
#define MASSIF_TOTALCOSTMODEL_H
#include <QtCore/QAbstractTableModel>
#include "modelitem.h"
#include "visualizer_export.h"
namespace Massif {
class FileData;
class TreeLeafItem;
class SnapshotItem;
/**
* A model that gives a tabular access on the costs in a massif output file.
*/
class VISUALIZER_EXPORT TotalCostModel : public QAbstractTableModel
{
public:
TotalCostModel(QObject* parent = 0);
virtual ~TotalCostModel();
/**
* That the source data for this model.
*/
void setSource(const FileData* data);
/**
* @return Index of the peak dataset.
*/
QModelIndex peak() const;
virtual int columnCount(const QModelIndex& parent = QModelIndex()) const;
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;
/**
* @return Item for given index. At maximum one of the pointers in the pair will be valid.
*/
ModelItem itemForIndex(const QModelIndex& idx) const;
/**
* @return Index for given item. Only one of the pointers in the pair should be valid.
*/
QModelIndex indexForItem(const ModelItem& item) const;
/**
* @return Index for given snapshot, or invalid if it's not a detailed snapshot.
*/
QModelIndex indexForSnapshot(const SnapshotItem* snapshot) const;
/**
* @return Index for given TreeLeafItem, or invalid if it's not covered by this model.
*/
QModelIndex indexForTreeLeaf(const TreeLeafItem* node) const;
/**
* Select @p index, which changes the graphical representation of its data.
*/
void setSelection(const QModelIndex& index);
private:
const FileData* m_data;
// selected item
QModelIndex m_selection;
};
}
#endif // MASSIF_TOTALCOSTMODEL_H