forked from qt-creator/qt-creator
		
	
		
			
				
	
	
		
			299 lines
		
	
	
		
			8.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			299 lines
		
	
	
		
			8.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/**************************************************************************
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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://www.qtsoftware.com/contact.
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**
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**************************************************************************/
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#include "stackhandler.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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using namespace Debugger::Internal;
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StackFrame::StackFrame(int l)
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  : level(l), line(0)
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{}
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bool StackFrame::isUsable() const
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{
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    return !file.isEmpty() && QFileInfo(file).isReadable();
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}
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QString StackFrame::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>" << StackHandler::tr("Address:") << "</td><td>" <<  address << "</td></tr>"
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        << "<tr><td>" << StackHandler::tr("Function:") << "</td><td>" << function << "</td></tr>"
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        << "<tr><td>" << StackHandler::tr("File:") << "</td><td>" << file << "</td></tr>"
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        << "<tr><td>" << StackHandler::tr("Line:") << "</td><td>" << line << "</td></tr>"
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        << "<tr><td>" << StackHandler::tr("From:") << "</td><td>" << from << "</td></tr>"
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        << "<tr><td>" << StackHandler::tr("To:") << "</td><td>" << to << "</td></tr>"
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        << "</table></body></html>";
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    return res;
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}
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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),
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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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    m_canExpand = false;
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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() + m_canExpand);
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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() + m_canExpand)
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        return QVariant();
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    if (index.row() == m_stackFrames.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 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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        //: Tooltip for variable
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        return frame.toToolTip();
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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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        switch (section) {
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            case 0: return tr("Level");
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            case 1: return tr("Function");
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            case 2: return tr("File");
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            case 3: return tr("Line");
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            case 4: return tr("Address");
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        };
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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() + m_canExpand)
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        return 0;
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    if (index.row() == m_stackFrames.size())
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        return QAbstractTableModel::flags(index);
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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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    QTC_ASSERT(m_currentIndex >= 0, return StackFrame());
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    QTC_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, bool canExpand)
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{
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    m_canExpand = canExpand;
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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::isDebuggingDebuggingHelpers() 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(":/debugger/images/empty.svg");
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    m_positionIcon = QIcon(":/debugger/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 tr("Thread: %1").arg(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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        if (section < 1)
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            return tr("Thread ID");
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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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