82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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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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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the 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 The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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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 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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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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// This flag was introduced in Qt 4.6.
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setFlag(QGraphicsItem::ItemHasNoContents, true);
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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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case Qt::MinimumSize:
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// fall thru
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case Qt::PreferredSize: {
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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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}
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