charttitle.cpp
94 lines
| 2.2 KiB
| text/x-c
|
CppLexer
/ src / charttitle.cpp
|
r1965 | /**************************************************************************** | ||
** | ||||
** 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 | ||||