File indexing completed on 2024-04-21 04:36:01

 /* This file is part of KDevelop
  * Copyright 2011 Mathieu Lornac <mathieu.lornac@gmail.com>
  * Copyright 2011 Damien Coppel <damien.coppel@gmail.com>
  * Copyright 2011 Lionel Duc <lionel.data@gmail.com>
  * Copyright 2017 Anton Anikin <anton@anikin.xyz>
 
  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; see the file COPYING.  If not, write to
  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  Boston, MA 02110-1301, USA.
 */
 
 #include "massif_model.h"
 
 #include "debug.h"
 #include "massif_snapshot.h"
 
 #include <KLocalizedString>
 
 #include <QFontDatabase>
 
 namespace Valgrind
 {
 
 MassifSnapshotsModel::MassifSnapshotsModel(QObject* parent)
     : QAbstractTableModel(parent)
 {
 }
 
 MassifSnapshotsModel::~MassifSnapshotsModel()
 {
     qDeleteAll(m_snapshots);
 }
 
 void MassifSnapshotsModel::addSnapshot(MassifSnapshot* snapshot)
 {
     Q_ASSERT(snapshot);
     if (snapshot) {
         m_snapshots.append(snapshot);
     }
 }
 
 QModelIndex MassifSnapshotsModel::index(int row, int column, const QModelIndex&) const
 {
     if (row >= 0 && row < rowCount() && column >= 0 && column < columnCount()) {
         return createIndex(row, column, m_snapshots.at(row));
     }
 
     return QModelIndex();
 }
 
 int MassifSnapshotsModel::rowCount(const QModelIndex&) const
 {
     return m_snapshots.size();
 }
 
 int MassifSnapshotsModel::columnCount(const QModelIndex&) const
 {
     return 5;
 }
 
 QString humanSize(int byteSize)
 {
     static const QStringList units{ "KiB", "MiB", "GiB", "TiB" };
 
     if (byteSize < 1024) {
         return QString::number(byteSize);
     }
 
     float size = byteSize;
     QStringListIterator i(units);
     QString unit;
 
     while (size >= 1024.0 && i.hasNext()) {
         unit = i.next();
         size /= 1024.0;
     }
 
     return QStringLiteral("%1 %2").arg(size, 0, 'f', 1).arg(unit);
 }
 
 QVariant MassifSnapshotsModel::data(const QModelIndex& index, int role) const
 {
     auto snapshot = static_cast<MassifSnapshot*>(index.internalPointer());
     if (!snapshot) {
         return QVariant();
     }
 
     if (role == Qt::DisplayRole) {
         if (index.column() <= MassifSnapshot::Time) {
             return snapshot->values[index.column()];
         }
 
         return humanSize(snapshot->values[index.column()].toInt());
     }
 
     if (role == Qt::FontRole) {
         QFont f = QFontDatabase::systemFont(QFontDatabase::GeneralFont);
         if (!snapshot->heapTree.isEmpty()) {
             f.setBold(true);
         }
         return f;
     }
 
     return QVariant();
 }
 
 QVariant MassifSnapshotsModel::headerData(int section, Qt::Orientation orientation, int role) const
 {
     Q_UNUSED(orientation)
 
     if (role == Qt::DisplayRole) {
         switch (section) {
 
         case MassifSnapshot::SnapshotId:
             return i18n("Snapshot");
 
         case MassifSnapshot::Time:
             return i18n("Time");
 
         case MassifSnapshot::Heap:
             return i18n("Heap");
 
         case MassifSnapshot::HeapExtra:
             return i18n("Heap (extra)");
 
         case MassifSnapshot::Stack:
             return i18n("Stack");
 
         }
     }
 
     return QVariant();
 }
 
 }