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Fixed QChartGlobal include statement in QLegend header
Fixed QChartGlobal include statement in QLegend header
Marek Rosa - - Load All Authors

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r1810:62c8384299b9
r1836:acc40072f562
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chartbarcategoryaxisx.cpp
159 lines | 5.0 KiB | text/x-c | CppLexer
/ src / axis / barcategoryaxis / chartbarcategoryaxisx.cpp
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Marek Rosa
Added Chart classes for value and categories axis
 r1555 /****************************************************************************
Michal Klocek
Adds scroll support for categories axis
 r1716 **
** 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
** $QT_END_LICENSE$
**
****************************************************************************/
Marek Rosa
Added Chart classes for value and categories axis
 r1555
Marek Rosa
renamed QBarCategoryAxis related files
 r1810 #include "chartbarcategoryaxisx_p.h"
Marek Rosa
Added Chart classes for value and categories axis
 r1555 #include "chartpresenter_p.h"
Marek Rosa
renamed QBarCategoryAxis related files
 r1810 #include "qbarcategoryaxis_p.h"
Michal Klocek
Fixes rounding issue with labels numbering
 r1720 #include <QDebug>
#include <qmath.h>
Marek Rosa
Added Chart classes for value and categories axis
 r1555
static int label_padding = 5;
QTCOMMERCIALCHART_BEGIN_NAMESPACE
Marek Rosa
QBarCategoriesAxis renamed to QBarCategoryAxis
 r1808 ChartCategoriesAxisX::ChartCategoriesAxisX(QBarCategoryAxis *axis,ChartPresenter *presenter) : ChartAxis(axis,presenter),
Michal Klocek
Adds scroll support for categories axis
 r1716 m_categoriesAxis(axis)
Marek Rosa
Added Chart classes for value and categories axis
 r1555 {
}
Michal Klocek
Refactor QChart API...
 r1577 ChartCategoriesAxisX::~ChartCategoriesAxisX()
sauimone
categories axis implementation
 r1570 {
}
Marek Rosa
Added Chart classes for value and categories axis
 r1555 QVector<qreal> ChartCategoriesAxisX::calculateLayout() const
{
Michal Klocek
Implements qbarcategoriesaxis logic...
 r1725 int count = m_categoriesAxis->d_ptr->count();
Q_ASSERT(count>=1);
Marek Rosa
Added Chart classes for value and categories axis
 r1555
QVector<qreal> points;
Michal Klocek
Implements qbarcategoriesaxis logic...
 r1725 points.resize(count+2);
Marek Rosa
Added Chart classes for value and categories axis
 r1555
Michal Klocek
Implements qbarcategoriesaxis logic...
 r1725 const qreal delta = m_rect.width()/(count);
Michal Klocek
Fixes rounding issue with labels numbering
 r1720 qreal offset =-m_min-0.5;
if(offset<=0) {
offset = int(offset * m_rect.width()/(m_max - m_min))%int(delta) + delta;
Michal Klocek
Adds scroll support for categories axis
 r1716 }
else {
Michal Klocek
Fixes rounding issue with labels numbering
 r1720 offset = int(offset * m_rect.width()/(m_max - m_min))%int(delta);
Michal Klocek
Adds scroll support for categories axis
 r1716 }
Michal Klocek
Fixes rounding issue with labels numbering
 r1720 points[0] = m_rect.left();
Michal Klocek
Implements qbarcategoriesaxis logic...
 r1725 points[count+1] = m_rect.right();
Michal Klocek
Adds scroll support for categories axis
 r1716
Michal Klocek
Implements qbarcategoriesaxis logic...
 r1725 for (int i = 0; i < count; ++i) {
Michal Klocek
Fixes rounding issue with labels numbering
 r1720 qreal x = offset + i * delta + m_rect.left();
points[i+1] = x;
Marek Rosa
Added Chart classes for value and categories axis
 r1555 }
return points;
}
Michal Klocek
Fixes rounding issue with labels numbering
 r1720 QStringList ChartCategoriesAxisX::createCategoryLabels(const QVector<qreal>& layout) const
{
QStringList result;
qreal d = (m_max - m_min)/m_rect.width();
for (int i = 0;i < layout.count()-1; ++i) {
qreal x = qFloor((((layout[i+1] + layout[i])/2-m_rect.left())*d + m_min+0.5));
if ((x < m_categoriesAxis->categories().count()) && (x >= 0)) {
result << m_categoriesAxis->categories().at(x);
}
else {
// No label for x coordinate
result << "";
}
}
result << "";
return result;
}
Marek Rosa
Added Chart classes for value and categories axis
 r1555 void ChartCategoriesAxisX::updateGeometry()
{
const QVector<qreal>& layout = ChartAxis::layout();
m_minWidth = 0;
m_minHeight = 0;
if(layout.isEmpty()) return;
Michal Klocek
Fixes rounding issue with labels numbering
 r1720 QStringList ticksList = createCategoryLabels(layout);
Marek Rosa
Added Chart classes for value and categories axis
 r1555
QList<QGraphicsItem *> lines = m_grid->childItems();
QList<QGraphicsItem *> labels = m_labels->childItems();
QList<QGraphicsItem *> shades = m_shades->childItems();
Michal Klocek
Refactor Visibly methods of axis...
 r1729 QList<QGraphicsItem *> axis = m_arrow->childItems();
Marek Rosa
Added Chart classes for value and categories axis
 r1555
Michal Klocek
Adds scroll support for categories axis
 r1716 Q_ASSERT(labels.size() == ticksList.size());
Q_ASSERT(layout.size() == ticksList.size());
Michal Klocek
Implements qbarcategoriesaxis logic...
 r1725 const qreal delta = m_rect.width()/(m_categoriesAxis->d_ptr->count());
Marek Rosa
Added Chart classes for value and categories axis
 r1555
QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(axis.at(0));
lineItem->setLine(m_rect.left(), m_rect.bottom(), m_rect.right(), m_rect.bottom());
Michal Klocek
Adds scroll support for categories axis
 r1716 qreal width = m_rect.left();
Michal Klocek
Bugfixes to barcategoryaxis
 r1640 for (int i = 0; i < layout.size(); ++i) {
Marek Rosa
Added Chart classes for value and categories axis
 r1555 QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(lines.at(i));
lineItem->setLine(layout[i], m_rect.top(), layout[i], m_rect.bottom());
Michal Klocek
Bugfixes to barcategoryaxis
 r1640 QGraphicsSimpleTextItem *labelItem = static_cast<QGraphicsSimpleTextItem*>(labels.at(i));
Michal Klocek
Adds scroll support for categories axis
 r1716 labelItem->setText(ticksList.at(i));
sauimone
categories axis implementation
 r1570 const QRectF& rect = labelItem->boundingRect();
QPointF center = rect.center();
labelItem->setTransformOriginPoint(center.x(), center.y());
Michal Klocek
Adds scroll support for categories axis
 r1716
Michal Klocek
Fixes rounding issue with labels numbering
 r1720 if(i==0){
labelItem->setPos(layout[i+1] - (delta)/2 - center.x(), m_rect.bottom() + label_padding);
Michal Klocek
Bugfixes to barcategoryaxis
 r1640 }else{
Michal Klocek
Fixes rounding issue with labels numbering
 r1720 labelItem->setPos(layout[i] + (delta)/2 - center.x(), m_rect.bottom() + label_padding);
Michal Klocek
Adds scroll support for categories axis
 r1716 }
if(labelItem->pos().x()<=width || labelItem->pos().x()+ rect.width()>m_rect.right()) {
Michal Klocek
Bugfixes to barcategoryaxis
 r1640 labelItem->setVisible(false);
}
Michal Klocek
Adds scroll support for categories axis
 r1716 else {
labelItem->setVisible(true);
width=rect.width()+labelItem->pos().x();
}
m_minWidth+=rect.width();
m_minHeight=qMax(rect.height()+label_padding,m_minHeight);
Marek Rosa
Added Chart classes for value and categories axis
 r1555
if ((i+1)%2 && i>1) {
QGraphicsRectItem *rectItem = static_cast<QGraphicsRectItem*>(shades.at(i/2-1));
rectItem->setRect(layout[i-1],m_rect.top(),layout[i]-layout[i-1],m_rect.height());
}
lineItem = static_cast<QGraphicsLineItem*>(axis.at(i+1));
lineItem->setLine(layout[i],m_rect.bottom(),layout[i],m_rect.bottom()+5);
}
}
Michal Klocek
Fixes missing update barcategory...
 r1643 void ChartCategoriesAxisX::handleAxisUpdated()
{
if(m_categoriesAxis->categories()!=m_categories)
{
m_categories=m_categoriesAxis->categories();
Michal Klocek
Implements qbarcategoriesaxis logic...
 r1725 if(ChartAxis::layout().count()==m_categoriesAxis->d_ptr->count()+2) updateGeometry();
Michal Klocek
Fixes missing update barcategory...
 r1643 }
ChartAxis::handleAxisUpdated();
}
Marek Rosa
Added Chart classes for value and categories axis
 r1555 QTCOMMERCIALCHART_END_NAMESPACE