##// END OF EJS Templates
Fix crash when changing the values to empty model with logarithmic axis...
Fix crash when changing the values to empty model with logarithmic axis One zero or negative value invalidates the whole layout for logarithmic axes, but this wasn't taken into account when replacing the points. Task-number: QTRD-1914 Reviewed-by: Mika Salmela

File last commit:

r2133:8c175959daec
r2427:b3d485323aa9
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charttitle.cpp
94 lines | 2.2 KiB | text/x-c | CppLexer
/****************************************************************************
**
** Copyright (C) 2012 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