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271
src/plugins/debugger/stackhandler.cpp
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271
src/plugins/debugger/stackhandler.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) 2008 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Qt Software Information (qt-info@nokia.com)
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**
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**
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** Non-Open Source Usage
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**
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** Licensees may use this file in accordance with the Qt Beta Version
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** License Agreement, Agreement version 2.2 provided with the Software or,
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** alternatively, in accordance with the terms contained in a written
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** agreement between you and Nokia.
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**
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** GNU General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the packaging
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** of this file. Please review the following information to ensure GNU
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** General Public Licensing requirements will be met:
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**
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** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt GPL Exception version
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** 1.2, included in the file GPL_EXCEPTION.txt in this package.
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**
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***************************************************************************/
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#include "stackhandler.h"
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#include "assert.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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using namespace Debugger::Internal;
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////////////////////////////////////////////////////////////////////////
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//
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// StackHandler
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//
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////////////////////////////////////////////////////////////////////////
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StackHandler::StackHandler(QObject *parent)
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: QAbstractTableModel(parent), m_currentIndex(0)
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{
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m_emptyIcon = QIcon(":/gdbdebugger/images/empty.svg");
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m_positionIcon = QIcon(":/gdbdebugger/images/location.svg");
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}
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int StackHandler::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_stackFrames.size();
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}
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int StackHandler::columnCount(const QModelIndex &parent) const
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{
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return parent.isValid() ? 0 : 4;
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}
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QVariant StackHandler::data(const QModelIndex &index, int role) const
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{
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if (!index.isValid() || index.row() >= m_stackFrames.size())
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return QVariant();
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const StackFrame &frame = m_stackFrames.at(index.row());
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if (role == Qt::DisplayRole) {
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switch (index.column()) {
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case 0: // Stack frame level
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return QString::number(frame.level);
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case 1: // Function name
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return frame.function;
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case 2: // File name
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return frame.file.isEmpty() ? frame.from : QFileInfo(frame.file).fileName();
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case 3: // Line number
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return frame.line;
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case 4: // Address
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return frame.address;
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}
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} else if (role == Qt::ToolTipRole) {
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return "<table><tr><td>Address:</td><td>" + frame.address + "</td></tr>"
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+ "<tr><td>Function: </td><td>" + frame.function + "</td></tr>"
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+ "<tr><td>File: </td><td>" + frame.file + "</td></tr>"
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+ "<tr><td>Line: </td><td>" + QString::number(frame.line) + "</td></tr>"
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+ "<tr><td>From: </td><td>" + frame.from + "</td></tr></table>"
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+ "<tr><td>To: </td><td>" + frame.to + "</td></tr></table>";
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} else 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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return QVariant();
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}
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QVariant StackHandler::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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static const char * const headers[] = {
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QT_TR_NOOP("Level"),
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QT_TR_NOOP("Function"),
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QT_TR_NOOP("File"),
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QT_TR_NOOP("Line"),
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QT_TR_NOOP("Address")
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};
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if (section < 5)
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return tr(headers[section]);
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}
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return QVariant();
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}
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Qt::ItemFlags StackHandler::flags(const QModelIndex &index) const
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{
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if (index.row() >= m_stackFrames.size())
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return 0;
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const StackFrame &frame = m_stackFrames.at(index.row());
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const bool isValid = !frame.file.isEmpty() && !frame.function.isEmpty();
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return isValid ? QAbstractTableModel::flags(index) : Qt::ItemFlags(0);
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}
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StackFrame StackHandler::currentFrame() const
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{
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QWB_ASSERT(m_currentIndex >= 0, return StackFrame());
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QWB_ASSERT(m_currentIndex < m_stackFrames.size(), return StackFrame());
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return m_stackFrames.at(m_currentIndex);
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}
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void StackHandler::setCurrentIndex(int level)
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{
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if (level == m_currentIndex)
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return;
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// Emit changed for previous frame
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QModelIndex i = index(m_currentIndex, 0);
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emit dataChanged(i, i);
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m_currentIndex = level;
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// Emit changed for new frame
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i = index(m_currentIndex, 0);
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emit dataChanged(i, i);
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}
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void StackHandler::removeAll()
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{
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m_stackFrames.clear();
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m_currentIndex = 0;
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reset();
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}
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void StackHandler::setFrames(const QList<StackFrame> &frames)
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{
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m_stackFrames = frames;
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if (m_currentIndex >= m_stackFrames.size())
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m_currentIndex = m_stackFrames.size() - 1;
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reset();
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}
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QList<StackFrame> StackHandler::frames() const
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{
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return m_stackFrames;
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}
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bool StackHandler::isDebuggingDumpers() const
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{
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for (int i = m_stackFrames.size(); --i >= 0; )
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if (m_stackFrames.at(i).function.startsWith("qDumpObjectData"))
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return true;
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return false;
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}
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////////////////////////////////////////////////////////////////////////
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//
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// ThreadsHandler
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//
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////////////////////////////////////////////////////////////////////////
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ThreadsHandler::ThreadsHandler(QObject *parent)
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: QAbstractTableModel(parent), m_currentIndex(0)
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{
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m_emptyIcon = QIcon(":/gdbdebugger/images/empty.svg");
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m_positionIcon = QIcon(":/gdbdebugger/images/location.svg");
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}
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int ThreadsHandler::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_threads.size();
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}
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int ThreadsHandler::columnCount(const QModelIndex &parent) const
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{
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return parent.isValid() ? 0 : 1;
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}
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QVariant ThreadsHandler::data(const QModelIndex &index, int role) const
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{
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if (!index.isValid() || index.row() >= m_threads.size())
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return QVariant();
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if (role == Qt::DisplayRole) {
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switch (index.column()) {
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case 0: // Thread ID
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return m_threads.at(index.row()).id;
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case 1: // Function name
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return "???";
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}
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} else if (role == Qt::ToolTipRole) {
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return "Thread: " + QString::number(m_threads.at(index.row()).id);
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} else 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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return QVariant();
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}
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QVariant ThreadsHandler::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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static const char * const headers[] = {
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QT_TR_NOOP("Thread ID"),
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};
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if (section < 1)
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return tr(headers[section]);
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}
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return QVariant();
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}
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void ThreadsHandler::setCurrentThread(int index)
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{
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if (index == m_currentIndex)
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return;
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// Emit changed for previous frame
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QModelIndex i = ThreadsHandler::index(m_currentIndex, 0);
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emit dataChanged(i, i);
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m_currentIndex = index;
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// Emit changed for new frame
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i = ThreadsHandler::index(m_currentIndex, 0);
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emit dataChanged(i, i);
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}
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void ThreadsHandler::setThreads(const QList<ThreadData> &threads)
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{
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m_threads = threads;
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if (m_currentIndex >= m_threads.size())
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m_currentIndex = m_threads.size() - 1;
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reset();
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}
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QList<ThreadData> ThreadsHandler::threads() const
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{
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return m_threads;
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}
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void ThreadsHandler::removeAll()
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{
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m_threads.clear();
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m_currentIndex = 0;
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reset();
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}
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