charttitle.cpp
100 lines
| 3.0 KiB
| text/x-c
|
CppLexer
winter
|
r0 | /**************************************************************************** | ||
** | ||||
** 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; | ||||
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 | ||||