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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "registerhandler.h"
#include "watchdelegatewidgets.h"
//////////////////////////////////////////////////////////////////
//
// RegisterHandler
//
//////////////////////////////////////////////////////////////////
namespace Debugger {
namespace Internal {
RegisterHandler::RegisterHandler()
: m_base(-1)
{
setNumberBase(16);
}
int RegisterHandler::rowCount(const QModelIndex &parent) const
{
return parent.isValid() ? 0 : m_registers.size();
}
int RegisterHandler::columnCount(const QModelIndex &parent) const
{
return parent.isValid() ? 0 : 2;
}
// Editor value: Preferably number, else string.
QVariant Register::editValue() const
{
bool ok = true;
// Try to convert to number?
const qulonglong v = value.toULongLong(&ok, 0); // Autodetect format
if (ok)
return QVariant(v);
return QVariant(value);
}
// Editor value: Preferably padded number, else padded string.
QString Register::displayValue(int base, int strlen) const
{
const QVariant editV = editValue();
if (editV.type() == QVariant::ULongLong)
return QString::fromAscii("%1").arg(editV.toULongLong(), strlen, base);
const QString stringValue = editV.toString();
if (stringValue.size() < strlen)
return QString(strlen - stringValue.size(), QLatin1Char(' ')) + value;
return stringValue;
}
QVariant RegisterHandler::data(const QModelIndex &index, int role) const
{
if (!index.isValid() || index.row() >= m_registers.size())
return QVariant();
const Register ® = m_registers.at(index.row());
switch (role) {
case Qt::DisplayRole:
switch (index.column()) {
case 0: {
const QString padding = QLatin1String(" ");
return QVariant(padding + reg.name + padding);
}
case 1: // Display: Pad value for alignment
return reg.displayValue(m_base, m_strlen);
} // switch column
case Qt::EditRole: // Edit: Unpadded for editing
return reg.editValue();
case Qt::TextAlignmentRole:
return index.column() == 1 ? QVariant(Qt::AlignRight) : QVariant();
default:
break;
}
return QVariant();
}
QVariant RegisterHandler::headerData(int section, Qt::Orientation orientation,
int role) const
{
if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
switch (section) {
case 0: return tr("Name");
case 1: return tr("Value (base %1)").arg(m_base);
};
}
return QVariant();
}
Qt::ItemFlags RegisterHandler::flags(const QModelIndex &idx) const
{
if (!idx.isValid())
return Qt::ItemFlags();
const Qt::ItemFlags notEditable = Qt::ItemIsSelectable|Qt::ItemIsEnabled;
// Can edit registers if they are hex numbers and not arrays.
if (idx.column() == 1
&& IntegerWatchLineEdit::isUnsignedHexNumber(m_registers.at(idx.row()).value))
return notEditable | Qt::ItemIsEditable;
return notEditable;
}
void RegisterHandler::removeAll()
{
m_registers.clear();
reset();
}
bool RegisterHandler::isEmpty() const
{
return m_registers.isEmpty();
}
void RegisterHandler::setRegisters(const Registers ®isters)
{
m_registers = registers;
calculateWidth();
reset();
}
void RegisterHandler::setAndMarkRegisters(const Registers ®isters)
{
const Registers old = m_registers;
m_registers = registers;
for (int i = qMin(m_registers.size(), old.size()); --i >= 0; )
m_registers[i].changed = m_registers[i].value != old[i].value;
calculateWidth();
reset();
}
Registers RegisterHandler::registers() const
{
return m_registers;
}
void RegisterHandler::calculateWidth()
{
m_strlen = (m_base == 2 ? 64 : m_base == 8 ? 32 : m_base == 10 ? 26 : 16);
}
void RegisterHandler::setNumberBase(int base)
{
if (m_base != base) {
m_base = base;
calculateWidth();
emit reset();
}
}
} // namespace Internal
} // namespace Debugger
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