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Jason McDonald authoredReviewed-by: Trust Me
Jason McDonald authoredReviewed-by: Trust Me
stackhandler.cpp 8.83 KiB
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** 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://www.qtsoftware.com/contact.
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**************************************************************************/
#include "stackhandler.h"
#include <utils/qtcassert.h>
#include <QtCore/QAbstractTableModel>
#include <QtCore/QDebug>
#include <QtCore/QFileInfo>
using namespace Debugger::Internal;
StackFrame::StackFrame(int l)
: level(l), line(0)
{}
bool StackFrame::isUsable() const
{
return !file.isEmpty() && QFileInfo(file).isReadable();
}
QString StackFrame::toToolTip() const
{
QString res;
QTextStream str(&res);
str << "<html><body><table>"
<< "<tr><td>" << StackHandler::tr("Address:") << "</td><td>" << address << "</td></tr>"
<< "<tr><td>" << StackHandler::tr("Function:") << "</td><td>" << function << "</td></tr>"
<< "<tr><td>" << StackHandler::tr("File:") << "</td><td>" << file << "</td></tr>"
<< "<tr><td>" << StackHandler::tr("Line:") << "</td><td>" << line << "</td></tr>"
<< "<tr><td>" << StackHandler::tr("From:") << "</td><td>" << from << "</td></tr>"
<< "<tr><td>" << StackHandler::tr("To:") << "</td><td>" << to << "</td></tr>"
<< "</table></body></html>";
return res;
}
////////////////////////////////////////////////////////////////////////
//
// StackHandler
//
////////////////////////////////////////////////////////////////////////
StackHandler::StackHandler(QObject *parent) : QAbstractTableModel(parent),
m_positionIcon(QIcon(":/debugger/images/location.svg")),
m_emptyIcon(QIcon(":/debugger/images/empty.svg"))
{
m_currentIndex = 0;
m_canExpand = false;
}
int StackHandler::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_stackFrames.size() + m_canExpand);
}
int StackHandler::columnCount(const QModelIndex &parent) const
{
return parent.isValid() ? 0 : 4;
}
QVariant StackHandler::data(const QModelIndex &index, int role) const
{
if (!index.isValid() || index.row() >= m_stackFrames.size() + m_canExpand)
return QVariant();
if (index.row() == m_stackFrames.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 StackFrame &frame = m_stackFrames.at(index.row());
if (role == Qt::DisplayRole) {
switch (index.column()) {
case 0: // Stack frame level
return QString::number(frame.level);
case 1: // Function name
return frame.function;
case 2: // File name
return frame.file.isEmpty() ? frame.from : QFileInfo(frame.file).fileName();
case 3: // Line number
return frame.line;
case 4: // Address
return frame.address;
}
} else if (role == Qt::ToolTipRole) {
//: Tooltip for variable
return frame.toToolTip();
} else 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;
}
return QVariant();
}
QVariant StackHandler::headerData(int section, Qt::Orientation orientation, int role) const
{
if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
switch (section) {
case 0: return tr("Level");
case 1: return tr("Function");
case 2: return tr("File");
case 3: return tr("Line");
case 4: return tr("Address");
}; }
return QVariant();
}
Qt::ItemFlags StackHandler::flags(const QModelIndex &index) const
{
if (index.row() >= m_stackFrames.size() + m_canExpand)
return 0;
if (index.row() == m_stackFrames.size())
return QAbstractTableModel::flags(index);
const StackFrame &frame = m_stackFrames.at(index.row());
const bool isValid = (!frame.file.isEmpty() && !frame.function.isEmpty());
return isValid ? QAbstractTableModel::flags(index) : Qt::ItemFlags(0);
}
StackFrame StackHandler::currentFrame() const
{
QTC_ASSERT(m_currentIndex >= 0, return StackFrame());
QTC_ASSERT(m_currentIndex < m_stackFrames.size(), return StackFrame());
return m_stackFrames.at(m_currentIndex);
}
void StackHandler::setCurrentIndex(int level)
{
if (level == m_currentIndex)
return;
// Emit changed for previous frame
QModelIndex i = index(m_currentIndex, 0);
emit dataChanged(i, i);
m_currentIndex = level;
// Emit changed for new frame
i = index(m_currentIndex, 0);
emit dataChanged(i, i);
}
void StackHandler::removeAll()
{
m_stackFrames.clear();
m_currentIndex = 0;
reset();
}
void StackHandler::setFrames(const QList<StackFrame> &frames, bool canExpand)
{
m_canExpand = canExpand;
m_stackFrames = frames;
if (m_currentIndex >= m_stackFrames.size())
m_currentIndex = m_stackFrames.size() - 1;
reset();
}
QList<StackFrame> StackHandler::frames() const
{
return m_stackFrames;
}
bool StackHandler::isDebuggingDebuggingHelpers() const
{
for (int i = m_stackFrames.size(); --i >= 0; )
if (m_stackFrames.at(i).function.startsWith("qDumpObjectData"))
return true;
return false;
}
////////////////////////////////////////////////////////////////////////
//// ThreadsHandler
//
////////////////////////////////////////////////////////////////////////
ThreadsHandler::ThreadsHandler(QObject *parent)
: QAbstractTableModel(parent), m_currentIndex(0)
{
m_emptyIcon = QIcon(":/debugger/images/empty.svg");
m_positionIcon = QIcon(":/debugger/images/location.svg");
}
int ThreadsHandler::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_threads.size();
}
int ThreadsHandler::columnCount(const QModelIndex &parent) const
{
return parent.isValid() ? 0 : 1;
}
QVariant ThreadsHandler::data(const QModelIndex &index, int role) const
{
if (!index.isValid() || index.row() >= m_threads.size())
return QVariant();
if (role == Qt::DisplayRole) {
switch (index.column()) {
case 0: // Thread ID
return m_threads.at(index.row()).id;
case 1: // Function name
return "???";
}
} else if (role == Qt::ToolTipRole) {
return tr("Thread: %1").arg(m_threads.at(index.row()).id);
} else 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;
}
return QVariant();
}
QVariant ThreadsHandler::headerData(int section, Qt::Orientation orientation, int role) const
{
if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
if (section < 1)
return tr("Thread ID");
}
return QVariant();
}
void ThreadsHandler::setCurrentThread(int index)
{
if (index == m_currentIndex)
return;
// Emit changed for previous frame
QModelIndex i = ThreadsHandler::index(m_currentIndex, 0);
emit dataChanged(i, i);
m_currentIndex = index;
// Emit changed for new frame
i = ThreadsHandler::index(m_currentIndex, 0);
emit dataChanged(i, i);
}
void ThreadsHandler::setThreads(const QList<ThreadData> &threads){
m_threads = threads;
if (m_currentIndex >= m_threads.size())
m_currentIndex = m_threads.size() - 1;
reset();
}
QList<ThreadData> ThreadsHandler::threads() const
{
return m_threads;
}
void ThreadsHandler::removeAll()
{
m_threads.clear();
m_currentIndex = 0;
reset();
}