tests/benchmarks/uimodels/GraphicsViewBenchmark/widgets/label.cpp
author Eckhart Koeppen <eckhart.koppen@nokia.com>
Thu, 22 Apr 2010 16:15:11 +0300
branchRCL_3
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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the either Technology Preview License Agreement or the
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** Beta Release License Agreement.
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**
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** GNU Lesser General Public License Usage
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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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** In addition, as a special exception, Nokia gives you certain
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** additional rights. These rights are described in the Nokia Qt LGPL
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** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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** package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.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://qt.nokia.com/contact.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtGui>
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#include "label.h"
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Label::Label(const QString& text, QGraphicsItem *parent) 
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    : GvbWidget(parent)
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{
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    m_textItem = new QGraphicsSimpleTextItem(this);
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    setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed);
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    setContentsMargins(0, 0, 0, 0);
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    setText(text);
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#if QT_VERSION >= 0x040600
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    // This flag was introduced in Qt 4.6.
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    setFlag(QGraphicsItem::ItemHasNoContents, true);
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#endif
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}
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Label::~Label()
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{
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}
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void Label::setText(const QString& text) 
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{ 
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    m_textItem->setText(text);
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    prepareGeometryChange();
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}
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QString Label::text() const
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{
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    return m_textItem->text();
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}
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void Label::setFont(const QFont font)
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{
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    m_textItem->setFont(font);
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}
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void Label::resizeEvent(QGraphicsSceneResizeEvent *event) 
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{
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    GvbWidget::resizeEvent(event);
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}
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QSizeF Label::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
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{
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    switch (which)
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    {
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    case Qt::MinimumSize:
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        // fall thru
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    case Qt::PreferredSize:
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        {
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        QFontMetricsF fm(m_textItem->font());
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        return QSizeF(fm.width(m_textItem->text()), fm.height());
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        }
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    default:
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        return GvbWidget::sizeHint(which, constraint);
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    }
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}