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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Charts module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** 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 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <private/charttitle_p.h>
#include <private/chartpresenter_p.h>
#include <QtGui/QFont>
#include <QtGui/QFontMetrics>
#include <QtCore/QDebug>
#include <QtGui/QTextDocument>
QT_CHARTS_BEGIN_NAMESPACE
ChartTitle::ChartTitle(QGraphicsItem *parent)
: QGraphicsTextItem(parent)
{
document()->setDocumentMargin(ChartPresenter::textMargin());
}
ChartTitle::~ChartTitle()
{
}
void ChartTitle::setText(const QString &text)
{
m_text = text;
}
QString ChartTitle::text() const
{
return m_text;
}
void ChartTitle::setGeometry(const QRectF &rect)
{
QRectF truncatedRect;
if (m_text.isEmpty()) {
QGraphicsTextItem::setHtml(m_text);
QGraphicsTextItem::setTextWidth(0.0);
} else {
QGraphicsTextItem::setHtml(ChartPresenter::truncatedText(font(), m_text, qreal(0.0),
rect.width(), rect.height(),
truncatedRect));
QGraphicsTextItem::setTextWidth(truncatedRect.width());
}
setPos(rect.topLeft());
}
QSizeF ChartTitle::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
{
Q_UNUSED(constraint);
QSizeF sh;
switch (which) {
case Qt::MinimumSize: {
QRectF titleRect = ChartPresenter::textBoundingRect(font(), QStringLiteral("..."));
sh = QSizeF(titleRect.width(), titleRect.height());
break;
}
case Qt::PreferredSize:
case Qt::MaximumSize: {
QRectF titleRect = ChartPresenter::textBoundingRect(font(), m_text);
sh = QSizeF(titleRect.width(), titleRect.height());
break;
}
case Qt::MinimumDescent: {
QFontMetrics fn(font());
sh = QSizeF(0, fn.descent());
break;
}
default:
break;
}
return sh;
}
QT_CHARTS_END_NAMESPACE
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