charttitle.cpp
94 lines
| 2.2 KiB
| text/x-c
|
CppLexer
/ src / charttitle.cpp
Michal Klocek
|
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 | ||||