##// END OF EJS Templates
Add Polar chart support...
Add Polar chart support This commit also heavily refactors things as polar chart needs separate implementation of various classes that previously only needed one, such as ChartAxis and ChartLayout. Task-number: QTRD-1757 Change-Id: I3d3db23920314987ceef3ae92879960b833b7136 Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>

File last commit:

r2432:53927f716a3d
r2483:f494279b6366
Show More
charttitle.cpp
94 lines | 2.2 KiB | text/x-c | CppLexer
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Commercial Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/
#include "charttitle_p.h"
#include <QFont>
#include <QFontMetrics>
#include <QDebug>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
ChartTitle::ChartTitle(QGraphicsItem *parent)
: QGraphicsSimpleTextItem(parent)
{
}
ChartTitle::~ChartTitle()
{
}
void ChartTitle::setText(const QString &text)
{
m_text = text;
}
QString ChartTitle::text() const
{
return m_text;
}
void ChartTitle::setGeometry(const QRectF &rect)
{
QFontMetrics fn(font());
int width = rect.width();
if (fn.boundingRect(m_text).width() > width) {
QString string = m_text + "...";
while (fn.boundingRect(string).width() > width && string.length() > 3)
string.remove(string.length() - 4, 1);
QGraphicsSimpleTextItem::setText(string);
} else {
QGraphicsSimpleTextItem::setText(m_text);
}
setPos(rect.topLeft());
}
QSizeF ChartTitle::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
{
Q_UNUSED(constraint);
QFontMetrics fn(font());
QSizeF sh;
switch (which) {
case Qt::MinimumSize:
sh = QSizeF(fn.boundingRect("...").width(), fn.height());
break;
case Qt::PreferredSize:
sh = fn.boundingRect(m_text).size();
break;
case Qt::MaximumSize:
sh = fn.boundingRect(m_text).size();
break;
case Qt::MinimumDescent:
sh = QSizeF(0, fn.descent());
break;
default:
break;
}
return sh;
}
QTCOMMERCIALCHART_END_NAMESPACE