57 lines
1.2 KiB
C++
57 lines
1.2 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
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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.horizontalAdvance(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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