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/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt Charts module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 or (at your option) any later version
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** approved by the KDE Free Qt Foundation. The licenses are as published by
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** the Free Software Foundation and appearing in the file LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <private/charttitle_p.h>
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#include <private/chartpresenter_p.h>
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#include <QtGui/QFont>
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#include <QtGui/QFontMetrics>
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#include <QtCore/QDebug>
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#include <QtGui/QTextDocument>
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QT_CHARTS_BEGIN_NAMESPACE
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ChartTitle::ChartTitle(QGraphicsItem *parent)
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: QGraphicsTextItem(parent)
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{
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document()->setDocumentMargin(ChartPresenter::textMargin());
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}
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ChartTitle::~ChartTitle()
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{
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}
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void ChartTitle::setText(const QString &text)
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{
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m_text = text;
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}
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QString ChartTitle::text() const
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{
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return m_text;
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}
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void ChartTitle::setGeometry(const QRectF &rect)
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{
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QRectF truncatedRect;
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if (m_text.isEmpty()) {
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QGraphicsTextItem::setHtml(m_text);
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QGraphicsTextItem::setTextWidth(0.0);
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} else {
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QGraphicsTextItem::setHtml(ChartPresenter::truncatedText(font(), m_text, qreal(0.0),
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rect.width(), rect.height(),
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truncatedRect));
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QGraphicsTextItem::setTextWidth(truncatedRect.width());
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}
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setPos(rect.topLeft());
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}
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QSizeF ChartTitle::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
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{
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Q_UNUSED(constraint);
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QSizeF sh;
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switch (which) {
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case Qt::MinimumSize: {
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QRectF titleRect = ChartPresenter::textBoundingRect(font(), QStringLiteral("..."));
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sh = QSizeF(titleRect.width(), titleRect.height());
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break;
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}
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case Qt::PreferredSize:
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case Qt::MaximumSize: {
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QRectF titleRect = ChartPresenter::textBoundingRect(font(), m_text);
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sh = QSizeF(titleRect.width(), titleRect.height());
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break;
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}
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case Qt::MinimumDescent: {
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QFontMetrics fn(font());
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sh = QSizeF(0, fn.descent());
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break;
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}
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default:
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break;
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}
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return sh;
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}
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QT_CHARTS_END_NAMESPACE
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