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// Copyright (C) 2016 Jochen Becher
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "contextlabelitem.h"
#include <QFontMetricsF>
namespace qmt {
ContextLabelItem::ContextLabelItem(QGraphicsItem *parent)
: QGraphicsSimpleTextItem(parent)
{
}
ContextLabelItem::~ContextLabelItem()
{
}
void ContextLabelItem::setMaxWidth(double maxWidth)
{
if (m_maxWidth != maxWidth) {
m_maxWidth = maxWidth;
update();
}
}
void ContextLabelItem::resetMaxWidth()
{
if (m_maxWidth != 0.0) {
m_maxWidth = 0.0;
update();
}
}
void ContextLabelItem::setContext(const QString &context)
{
if (m_context != context) {
m_context = context;
update();
}
}
double ContextLabelItem::height() const
{
return QFontMetricsF(font()).height();
}
void ContextLabelItem::update()
{
setText(QString("(from %1)").arg(m_context));
if (m_maxWidth > 0.0) {
double contextWidth = boundingRect().width();
if (contextWidth > m_maxWidth) {
setText(QString("(%1)").arg(m_context));
contextWidth = boundingRect().width();
}
if (contextWidth > m_maxWidth) {
QFontMetricsF metrics(font());
setText(metrics.elidedText(QString("(%1)").arg(m_context), Qt::ElideMiddle, m_maxWidth));
}
}
}
} // namespace qmt
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