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/****************************************************************************
**
** Copyright (C) 2016 Jochen Becher
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#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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