Initial import

src/plugins/debugger/disassemblerhandler.cpp

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+/***************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact:  Qt Software Information (qt-info@nokia.com)
+**
+** 
+** Non-Open Source Usage  
+** 
+** Licensees may use this file in accordance with the Qt Beta Version
+** License Agreement, Agreement version 2.2 provided with the Software or,
+** alternatively, in accordance with the terms contained in a written
+** agreement between you and Nokia.  
+** 
+** GNU General Public License Usage 
+** 
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the packaging
+** of this file.  Please review the following information to ensure GNU
+** General Public Licensing requirements will be met:
+**
+** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt GPL Exception version
+** 1.2, included in the file GPL_EXCEPTION.txt in this package.  
+** 
+***************************************************************************/
+#include "disassemblerhandler.h"
+
+#include "assert.h"
+
+#include <QtCore/QDebug>
+#include <QtCore/QAbstractTableModel>
+
+#include <QtGui/QIcon>
+
+using namespace Debugger;
+using namespace Debugger::Internal;
+
+
+//////////////////////////////////////////////////////////////////
+//
+// DisassemblerModel
+//
+//////////////////////////////////////////////////////////////////
+
+/*! A model to represent the stack in a QTreeView. */
+class Debugger::Internal::DisassemblerModel : public QAbstractTableModel
+{
+public:
+    DisassemblerModel(QObject *parent);
+
+    // ItemModel
+    int rowCount(const QModelIndex &parent = QModelIndex()) const;
+    int columnCount(const QModelIndex &parent = QModelIndex()) const;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
+    QVariant headerData(int section, Qt::Orientation orientation,
+        int role = Qt::DisplayRole) const;
+
+    // Properties
+    void setLines(const QList<DisassemblerLine> &lines);
+    QList<DisassemblerLine> lines() const;
+    void setCurrentLine(int line) { m_currentLine = line; }
+
+private:
+    friend class DisassemblerHandler;
+    QList<DisassemblerLine> m_lines;
+    int m_currentLine;
+    QIcon m_positionIcon;
+    QIcon m_emptyIcon;
+};
+
+DisassemblerModel::DisassemblerModel(QObject *parent)
+  : QAbstractTableModel(parent), m_currentLine(0)
+{
+    m_emptyIcon = QIcon(":/gdbdebugger/images/empty.svg");
+    m_positionIcon = QIcon(":/gdbdebugger/images/location.svg");
+}
+
+int DisassemblerModel::rowCount(const QModelIndex &parent) const
+{
+    Q_UNUSED(parent);
+    return m_lines.size();
+}
+
+int DisassemblerModel::columnCount(const QModelIndex &parent) const
+{
+    Q_UNUSED(parent);
+    return 3;
+}
+
+QVariant DisassemblerModel::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid() || index.row() >= m_lines.size())
+        return QVariant();
+
+    const DisassemblerLine &line = m_lines.at(index.row());
+
+    if (role == Qt::DisplayRole) {
+        switch (index.column()) {
+        case 0:
+            return line.addressDisplay;
+        case 1:
+            return line.symbolDisplay;
+        case 2:
+            return line.mnemonic;
+        }
+    } else if (role == Qt::ToolTipRole) {
+        return QString(); 
+    } else if (role == Qt::DecorationRole && index.column() == 0) {
+        // Return icon that indicates whether this is the active stack frame
+        return (index.row() == m_currentLine) ? m_positionIcon : m_emptyIcon;
+    }
+
+    return QVariant();
+}
+
+QVariant DisassemblerModel::headerData(int section, Qt::Orientation orientation,
+    int role) const
+{
+    if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
+        static const char * const headers[] = {
+            QT_TR_NOOP("Address"),
+            QT_TR_NOOP("Symbol"),
+            QT_TR_NOOP("Mnemonic"),
+        };
+        if (section < 3)
+            return tr(headers[section]);
+    }
+    return QVariant();
+}
+
+void DisassemblerModel::setLines(const QList<DisassemblerLine> &lines)
+{
+    m_lines = lines;
+    if (m_currentLine >= m_lines.size())
+        m_currentLine = m_lines.size() - 1;
+    reset();
+}
+
+QList<DisassemblerLine> DisassemblerModel::lines() const
+{
+    return m_lines;
+}
+
+
+
+//////////////////////////////////////////////////////////////////
+//
+// DisassemblerHandler
+//
+//////////////////////////////////////////////////////////////////
+
+DisassemblerHandler::DisassemblerHandler()
+{
+    m_model = new DisassemblerModel(this);
+}
+
+void DisassemblerHandler::removeAll()
+{
+    m_model->m_lines.clear();
+}
+
+QAbstractItemModel *DisassemblerHandler::model() const
+{
+    return m_model;
+}
+
+void DisassemblerHandler::setLines(const QList<DisassemblerLine> &lines)
+{
+    m_model->setLines(lines);
+}
+
+QList<DisassemblerLine> DisassemblerHandler::lines() const
+{
+    return m_model->lines();
+}
+
+void DisassemblerHandler::setCurrentLine(int line)
+{
+    m_model->setCurrentLine(line);
+}