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qt-creator/src/plugins/debugger/snapshothandler.cpp

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debugger: make handling multiple core files a bit more convenient
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/**************************************************************************
**
** This file is part of Qt Creator
**
Long live the king!
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** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
debugger: make handling multiple core files a bit more convenient
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**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#include "snapshothandler.h"
#include "debuggeractions.h"
#include <utils/qtcassert.h>
Header cleaning spree in Core/Debugger and Symbian/Maemo-code of Qt4.
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#include <utils/savedaction.h>
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#include <QtCore/QAbstractTableModel>
#include <QtCore/QDebug>
#include <QtCore/QFileInfo>
#include <QtCore/QDir>
namespace Debugger {
namespace Internal {
SnapshotData::SnapshotData()
{}
void SnapshotData::clear()
{
m_frames.clear();
m_location.clear();
m_date = QDateTime();
}
QString SnapshotData::function() const
{
if (m_frames.isEmpty())
return QString();
const StackFrame &frame = m_frames.at(0);
return frame.function + ":" + QString::number(frame.line);
}
QString SnapshotData::toString() const
{
QString res;
QTextStream str(&res);
str << SnapshotHandler::tr("Function:") << ' ' << function() << ' '
<< SnapshotHandler::tr("File:") << ' ' << m_location << ' '
<< SnapshotHandler::tr("Date:") << ' ' << m_date.toString();
return res;
}
QString SnapshotData::toToolTip() const
{
QString res;
QTextStream str(&res);
str << "<html><body><table>"
<< "<tr><td>" << SnapshotHandler::tr("Function:")
<< "</td><td>" << function() << "</td></tr>"
<< "<tr><td>" << SnapshotHandler::tr("File:")
<< "</td><td>" << QDir::toNativeSeparators(m_location) << "</td></tr>"
<< "</table></body></html>";
return res;
}
QDebug operator<<(QDebug d, const SnapshotData &f)
{
QString res;
QTextStream str(&res);
str << f.location();
/*
str << "level=" << f.level << " address=" << f.address;
if (!f.function.isEmpty())
str << ' ' << f.function;
if (!f.location.isEmpty())
str << ' ' << f.location << ':' << f.line;
if (!f.from.isEmpty())
str << " from=" << f.from;
if (!f.to.isEmpty())
str << " to=" << f.to;
*/
d.nospace() << res;
return d;
}
////////////////////////////////////////////////////////////////////////
//
// SnapshotHandler
//
////////////////////////////////////////////////////////////////////////
SnapshotHandler::SnapshotHandler(QObject *parent)
: QAbstractTableModel(parent),
Avoid pulling in the svg plugin.
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m_positionIcon(QIcon(":/debugger/images/location_16.png")),
m_emptyIcon(QIcon(":/debugger/images/empty14.png"))
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{
m_currentIndex = 0;
connect(theDebuggerAction(OperateByInstruction), SIGNAL(triggered()),
this, SLOT(resetModel()));
}
SnapshotHandler::~SnapshotHandler()
{
foreach (const SnapshotData &snapshot, m_snapshots)
QFile::remove(snapshot.location());
}
int SnapshotHandler::rowCount(const QModelIndex &parent) const
{
// Since the stack is not a tree, row count is 0 for any valid parent
return parent.isValid() ? 0 : m_snapshots.size();
}
int SnapshotHandler::columnCount(const QModelIndex &parent) const
{
return parent.isValid() ? 0 : 3;
}
QVariant SnapshotHandler::data(const QModelIndex &index, int role) const
{
if (!index.isValid() || index.row() >= m_snapshots.size())
return QVariant();
if (index.row() == m_snapshots.size()) {
if (role == Qt::DisplayRole && index.column() == 0)
return tr("...");
if (role == Qt::DisplayRole && index.column() == 1)
return tr("<More>");
if (role == Qt::DecorationRole && index.column() == 0)
return m_emptyIcon;
return QVariant();
}
const SnapshotData &snapshot = m_snapshots.at(index.row());
if (role == Qt::DisplayRole) {
switch (index.column()) {
case 0: // Function name of topmost snapshot
return snapshot.function();
case 1: // Timestamp
return snapshot.date().toString();
case 2: // File name
return snapshot.location();
}
return QVariant();
}
if (role == Qt::ToolTipRole) {
//: Tooltip for variable
return snapshot.toToolTip();
}
if (role == Qt::DecorationRole && index.column() == 0) {
// Return icon that indicates whether this is the active stack frame
return (index.row() == m_currentIndex) ? m_positionIcon : m_emptyIcon;
}
//if (role == Qt::UserRole)
// return QVariant::fromValue(snapshot);
return QVariant();
}
QVariant SnapshotHandler::headerData(int section, Qt::Orientation orientation, int role) const
{
if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
switch (section) {
case 0: return tr("Function");
case 1: return tr("Date");
case 2: return tr("Location");
};
}
return QVariant();
}
Qt::ItemFlags SnapshotHandler::flags(const QModelIndex &index) const
{
if (index.row() >= m_snapshots.size())
return 0;
if (index.row() == m_snapshots.size())
return QAbstractTableModel::flags(index);
//const SnapshotData &snapshot = m_snapshots.at(index.row());
return true ? QAbstractTableModel::flags(index) : Qt::ItemFlags(0);
}
void SnapshotHandler::removeAll()
{
m_snapshots.clear();
m_currentIndex = 0;
reset();
}
void SnapshotHandler::appendSnapshot(const SnapshotData &snapshot)
{
m_snapshots.append(snapshot);
m_currentIndex = m_snapshots.size() - 1;
reset();
}
void SnapshotHandler::removeSnapshot(int index)
{
QFile::remove(m_snapshots.at(index).location());
m_snapshots.removeAt(index);
if (index == m_currentIndex)
m_currentIndex = -1;
else if (index < m_currentIndex)
--m_currentIndex;
reset();
}
QList<SnapshotData> SnapshotHandler::snapshots() const
{
return m_snapshots;
}
SnapshotData SnapshotHandler::setCurrentIndex(int index)
{
m_currentIndex = index;
reset();
return m_snapshots.at(index);
}
} // namespace Internal
} // namespace Debugger
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