forked from qt-creator/qt-creator
debugger: make handling multiple core files a bit more convenient
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hjk
243
src/plugins/debugger/snapshothandler.cpp
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243
src/plugins/debugger/snapshothandler.cpp
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/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** Commercial Usage
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://qt.nokia.com/contact.
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**
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**************************************************************************/
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#include "snapshothandler.h"
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#include "debuggeractions.h"
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#include <utils/qtcassert.h>
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#include <QtCore/QAbstractTableModel>
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#include <QtCore/QDebug>
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#include <QtCore/QFileInfo>
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#include <QtCore/QDir>
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namespace Debugger {
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namespace Internal {
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SnapshotData::SnapshotData()
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{}
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void SnapshotData::clear()
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{
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m_frames.clear();
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m_location.clear();
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m_date = QDateTime();
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}
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QString SnapshotData::function() const
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{
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if (m_frames.isEmpty())
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return QString();
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const StackFrame &frame = m_frames.at(0);
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return frame.function + ":" + QString::number(frame.line);
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}
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QString SnapshotData::toString() const
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{
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QString res;
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QTextStream str(&res);
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str << SnapshotHandler::tr("Function:") << ' ' << function() << ' '
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<< SnapshotHandler::tr("File:") << ' ' << m_location << ' '
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<< SnapshotHandler::tr("Date:") << ' ' << m_date.toString();
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return res;
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}
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QString SnapshotData::toToolTip() const
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{
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QString res;
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QTextStream str(&res);
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str << "<html><body><table>"
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<< "<tr><td>" << SnapshotHandler::tr("Function:")
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<< "</td><td>" << function() << "</td></tr>"
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<< "<tr><td>" << SnapshotHandler::tr("File:")
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<< "</td><td>" << QDir::toNativeSeparators(m_location) << "</td></tr>"
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<< "</table></body></html>";
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return res;
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}
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QDebug operator<<(QDebug d, const SnapshotData &f)
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{
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QString res;
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QTextStream str(&res);
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str << f.location();
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/*
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str << "level=" << f.level << " address=" << f.address;
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if (!f.function.isEmpty())
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str << ' ' << f.function;
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if (!f.location.isEmpty())
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str << ' ' << f.location << ':' << f.line;
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if (!f.from.isEmpty())
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str << " from=" << f.from;
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if (!f.to.isEmpty())
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str << " to=" << f.to;
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*/
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d.nospace() << res;
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return d;
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}
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////////////////////////////////////////////////////////////////////////
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//
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// SnapshotHandler
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//
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////////////////////////////////////////////////////////////////////////
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SnapshotHandler::SnapshotHandler(QObject *parent)
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: QAbstractTableModel(parent),
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m_positionIcon(QIcon(":/debugger/images/location.svg")),
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m_emptyIcon(QIcon(":/debugger/images/empty.svg"))
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{
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m_currentIndex = 0;
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connect(theDebuggerAction(OperateByInstruction), SIGNAL(triggered()),
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this, SLOT(resetModel()));
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}
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SnapshotHandler::~SnapshotHandler()
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{
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foreach (const SnapshotData &snapshot, m_snapshots)
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QFile::remove(snapshot.location());
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}
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int SnapshotHandler::rowCount(const QModelIndex &parent) const
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{
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// Since the stack is not a tree, row count is 0 for any valid parent
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return parent.isValid() ? 0 : m_snapshots.size();
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}
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int SnapshotHandler::columnCount(const QModelIndex &parent) const
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{
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return parent.isValid() ? 0 : 3;
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}
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QVariant SnapshotHandler::data(const QModelIndex &index, int role) const
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{
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if (!index.isValid() || index.row() >= m_snapshots.size())
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return QVariant();
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if (index.row() == m_snapshots.size()) {
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if (role == Qt::DisplayRole && index.column() == 0)
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return tr("...");
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if (role == Qt::DisplayRole && index.column() == 1)
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return tr("<More>");
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if (role == Qt::DecorationRole && index.column() == 0)
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return m_emptyIcon;
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return QVariant();
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}
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const SnapshotData &snapshot = m_snapshots.at(index.row());
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if (role == Qt::DisplayRole) {
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switch (index.column()) {
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case 0: // Function name of topmost snapshot
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return snapshot.function();
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case 1: // Timestamp
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return snapshot.date().toString();
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case 2: // File name
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return snapshot.location();
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}
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return QVariant();
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}
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if (role == Qt::ToolTipRole) {
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//: Tooltip for variable
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return snapshot.toToolTip();
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}
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if (role == Qt::DecorationRole && index.column() == 0) {
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// Return icon that indicates whether this is the active stack frame
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return (index.row() == m_currentIndex) ? m_positionIcon : m_emptyIcon;
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}
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//if (role == Qt::UserRole)
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// return QVariant::fromValue(snapshot);
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return QVariant();
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}
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QVariant SnapshotHandler::headerData(int section, Qt::Orientation orientation, int role) const
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{
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if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
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switch (section) {
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case 0: return tr("Function");
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case 1: return tr("Date");
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case 2: return tr("Location");
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};
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}
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return QVariant();
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}
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Qt::ItemFlags SnapshotHandler::flags(const QModelIndex &index) const
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{
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if (index.row() >= m_snapshots.size())
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return 0;
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if (index.row() == m_snapshots.size())
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return QAbstractTableModel::flags(index);
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//const SnapshotData &snapshot = m_snapshots.at(index.row());
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return true ? QAbstractTableModel::flags(index) : Qt::ItemFlags(0);
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}
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void SnapshotHandler::removeAll()
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{
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m_snapshots.clear();
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m_currentIndex = 0;
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reset();
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}
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void SnapshotHandler::appendSnapshot(const SnapshotData &snapshot)
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{
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m_snapshots.append(snapshot);
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m_currentIndex = m_snapshots.size() - 1;
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reset();
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}
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void SnapshotHandler::removeSnapshot(int index)
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{
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QFile::remove(m_snapshots.at(index).location());
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m_snapshots.removeAt(index);
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if (index == m_currentIndex)
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m_currentIndex = -1;
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else if (index < m_currentIndex)
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--m_currentIndex;
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reset();
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}
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QList<SnapshotData> SnapshotHandler::snapshots() const
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{
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return m_snapshots;
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}
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SnapshotData SnapshotHandler::setCurrentIndex(int index)
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{
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m_currentIndex = index;
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reset();
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return m_snapshots.at(index);
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}
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} // namespace Internal
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} // namespace Debugger
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