|
|
/****************************************************************************
|
|
|
**
|
|
|
** 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 = QSizeF(fn.boundingRect(m_text).width(), fn.height());
|
|
|
break;
|
|
|
case Qt::MaximumSize:
|
|
|
sh = QSizeF(fn.boundingRect(m_text).width(), fn.height());
|
|
|
break;
|
|
|
case Qt::MinimumDescent:
|
|
|
sh = QSizeF(0, fn.descent());
|
|
|
break;
|
|
|
default:
|
|
|
break;
|
|
|
}
|
|
|
|
|
|
return sh;
|
|
|
}
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
