charttitle.cpp
105 lines
| 3.1 KiB
| text/x-c
|
CppLexer
Miikka Heikkinen
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r2854 | /**************************************************************************** | ||
Michal Klocek
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r1965 | ** | ||
|
Miikka Heikkinen
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r2854 | ** Copyright (C) 2016 The Qt Company Ltd. | ||
| ** Contact: https://www.qt.io/licensing/ | ||||
|
Michal Klocek
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r1965 | ** | ||
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Miikka Heikkinen
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r2854 | ** This file is part of the Qt Charts module of the Qt Toolkit. | ||
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Michal Klocek
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r1965 | ** | ||
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Miikka Heikkinen
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r2854 | ** $QT_BEGIN_LICENSE:GPL$ | ||
Titta Heikkala
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r2845 | ** 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 | ||||
|
Miikka Heikkinen
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r2854 | ** 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. | ||||
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Michal Klocek
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r1965 | ** | ||
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Titta Heikkala
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r2845 | ** $QT_END_LICENSE$ | ||
| ** | ||||
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Miikka Heikkinen
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r2854 | ****************************************************************************/ | ||
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Michal Klocek
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r1965 | |||
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Titta Heikkala
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r2714 | #include <private/charttitle_p.h> | ||
| #include <private/chartpresenter_p.h> | ||||
| #include <QtGui/QFont> | ||||
| #include <QtGui/QFontMetrics> | ||||
| #include <QtCore/QDebug> | ||||
| #include <QtGui/QTextDocument> | ||||
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r1965 | |||
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r2712 | QT_CHARTS_BEGIN_NAMESPACE | ||
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r1965 | |||
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r2104 | ChartTitle::ChartTitle(QGraphicsItem *parent) | ||
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r2539 | : QGraphicsTextItem(parent) | ||
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r1965 | { | ||
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r2592 | document()->setDocumentMargin(ChartPresenter::textMargin()); | ||
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r1965 | } | ||
| ChartTitle::~ChartTitle() | ||||
| { | ||||
| } | ||||
| void ChartTitle::setText(const QString &text) | ||||
| { | ||||
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r2097 | m_text = text; | ||
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r1965 | } | ||
| QString ChartTitle::text() const | ||||
| { | ||||
| return m_text; | ||||
| } | ||||
| void ChartTitle::setGeometry(const QRectF &rect) | ||||
| { | ||||
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Titta Heikkala
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r2607 | QRectF truncatedRect; | ||
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Miikka Heikkinen
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r2876 | 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()); | ||||
| } | ||||
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r2097 | setPos(rect.topLeft()); | ||
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r1965 | } | ||
| QSizeF ChartTitle::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const | ||||
| { | ||||
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r2097 | Q_UNUSED(constraint); | ||
| QSizeF sh; | ||||
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r1965 | |||
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r2097 | switch (which) { | ||
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r2539 | case Qt::MinimumSize: { | ||
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r2712 | QRectF titleRect = ChartPresenter::textBoundingRect(font(), QStringLiteral("...")); | ||
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r2539 | sh = QSizeF(titleRect.width(), titleRect.height()); | ||
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r1965 | break; | ||
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r2539 | } | ||
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r1965 | case Qt::PreferredSize: | ||
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r2539 | case Qt::MaximumSize: { | ||
| QRectF titleRect = ChartPresenter::textBoundingRect(font(), m_text); | ||||
| sh = QSizeF(titleRect.width(), titleRect.height()); | ||||
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r1965 | break; | ||
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r2539 | } | ||
| case Qt::MinimumDescent: { | ||||
| QFontMetrics fn(font()); | ||||
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r2097 | sh = QSizeF(0, fn.descent()); | ||
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r1965 | break; | ||
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r2539 | } | ||
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r1965 | default: | ||
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r2097 | break; | ||
| } | ||||
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r1965 | |||
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r2097 | return sh; | ||
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r1965 | } | ||
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r2712 | QT_CHARTS_END_NAMESPACE | ||