qquicktextmetrics.cpp

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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#include "qquicktextmetrics_p.h"
 
#include <QFont>
#include <QTextOption>
 
QT_BEGIN_NAMESPACE
 
QQuickTextMetrics::QQuickTextMetrics(QObject *parent) :
    QObject(parent),
    m_metrics(m_font),
    m_elide(Qt::ElideNone),
    m_elideWidth(0),
    m_renderType(QQuickText::QtRendering)
{
}
 
QFont QQuickTextMetrics::font() const
{
    return m_font;
}
 
void QQuickTextMetrics::setFont(const QFont &font)
{
    if (m_font != font) {
        m_font = font;
        m_metrics = QFontMetricsF(m_font);
        emit fontChanged();
        emit metricsChanged();
    }
}
 
QString QQuickTextMetrics::text() const
{
    return m_text;
}
 
void QQuickTextMetrics::setText(const QString &text)
{
    if (m_text != text) {
        m_text = text;
        emit textChanged();
        emit metricsChanged();
    }
}
 
Qt::TextElideMode QQuickTextMetrics::elide() const
{
    return m_elide;
}
 
void QQuickTextMetrics::setElide(Qt::TextElideMode elide)
{
    if (m_elide != elide) {
        m_elide = elide;
        emit elideChanged();
        emit metricsChanged();
    }
}
 
qreal QQuickTextMetrics::elideWidth() const
{
    return m_elideWidth;
}
 
void QQuickTextMetrics::setElideWidth(qreal elideWidth)
{
    if (m_elideWidth != elideWidth) {
        m_elideWidth = elideWidth;
        emit elideWidthChanged();
        emit metricsChanged();
    }
}
 
qreal QQuickTextMetrics::advanceWidth() const
{
    QTextOption option;
    option.setUseDesignMetrics(m_renderType == QQuickText::QtRendering);
    return m_metrics.horizontalAdvance(m_text, option);
}
 
QRectF QQuickTextMetrics::boundingRect() const
{
    QTextOption option;
    option.setUseDesignMetrics(m_renderType == QQuickText::QtRendering);
    return m_metrics.boundingRect(m_text, option);
}
 
qreal QQuickTextMetrics::width() const
{
    return boundingRect().width();
}
 
qreal QQuickTextMetrics::height() const
{
    return boundingRect().height();
}
 
QRectF QQuickTextMetrics::tightBoundingRect() const
{
    QTextOption option;
    option.setUseDesignMetrics(m_renderType == QQuickText::QtRendering);
    return m_metrics.tightBoundingRect(m_text, option);
}
 
QString QQuickTextMetrics::elidedText() const
{
    return m_metrics.elidedText(m_text, m_elide, m_elideWidth);
}
 
QQuickText::RenderType QQuickTextMetrics::renderType() const
{
    return m_renderType;
}
 
void QQuickTextMetrics::setRenderType(QQuickText::RenderType renderType)
{
    if (m_renderType == renderType)
        return;
 
    m_renderType = renderType;
    emit renderTypeChanged();
}
 
QT_END_NAMESPACE
 
#include "moc_qquicktextmetrics_p.cpp"