| /**************************************************************************** |
| ** |
| ** 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 |