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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** 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.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "callgrindtextmark.h"
#include "callgrindhelper.h"
#include "callgrind/callgrinddatamodel.h"
#include "callgrind/callgrindfunction.h"
#include <QtCore/QDebug>
#include <QtGui/QPainter>
#include <utils/qtcassert.h>
using namespace Valgrind::Internal;
using namespace Valgrind::Callgrind;
CallgrindTextMark::CallgrindTextMark(const QPersistentModelIndex &index,
const QString &fileName, int lineNumber)
: TextEditor::BaseTextMark(fileName, lineNumber), m_modelIndex(index)
{
setPriority(TextEditor::ITextMark::HighPriority);
}
void CallgrindTextMark::paint(QPainter *painter, const QRect &paintRect) const
{
if (!m_modelIndex.isValid())
return;
bool ok;
qreal costs = m_modelIndex.data(RelativeTotalCostRole).toReal(&ok);
QTC_ASSERT(ok, return)
QTC_ASSERT(costs >= 0.0 && costs <= 100.0, return)
painter->save();
// set up
painter->setPen(Qt::black);
// draw bar
QRect fillRect = paintRect;
fillRect.setWidth(paintRect.width() * costs);
painter->fillRect(paintRect, Qt::white);
painter->fillRect(fillRect, CallgrindHelper::colorForCostRatio(costs));
painter->drawRect(paintRect);
// draw text
const QTextOption flags = Qt::AlignHCenter | Qt::AlignVCenter;
const QString text = CallgrindHelper::toPercent(costs * 100.0f);
// decrease font size if paint rect is too small (very unlikely, but may happen)
QFont font = painter->font();
QFontMetrics fm = font;
while (fm.boundingRect(text).width() > paintRect.width()) {
font.setPointSize(font.pointSize() - 1);
fm = font;
}
painter->setFont(font);
painter->drawText(paintRect, text, flags);
painter->restore();
}
const Function *CallgrindTextMark::function() const
{
if (!m_modelIndex.isValid())
return 0;
return m_modelIndex.data(DataModel::FunctionRole).value<const Function *>();
}
double CallgrindTextMark::widthFactor() const
{
return 4.0;
}
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