##// END OF EJS Templates
HG_REPOSITORIES » LPP » INSTRUMENTATION » USERS » JEANDET » qtcharts
RSS

Clone from http://code.qt.io/qt/qtcharts.git

Qt5: declarative fix part3...
Qt5: declarative fix part3 - re-enabled examples - fixed the include files in examples folder - scrollchart and zoomlinechart - QGestureEvent declaration added to header.
Michal Klocek - - Load All Authors

File last commit:

r1965:8d7d66e44a18
r2054:96f04f377ffa
Show More
chartvalueaxisx.cpp
160 lines | 5.1 KiB | text/x-c | CppLexer
/ src / axis / valueaxis / chartvalueaxisx.cpp
History | Source | Raw |Copy content |Copy permalink
Marek Rosa
Added Chart classes for value and categories axis
 r1555 /****************************************************************************
**
** 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
renamed QValueAxis related files
 r1805 #include "chartvalueaxisx_p.h"
Marek Rosa
Added Chart classes for value and categories axis
 r1555 #include "qabstractaxis.h"
#include "chartpresenter_p.h"
Marek Rosa
renamed QValueAxis related files
 r1805 #include "qvalueaxis.h"
Marek Rosa
Added Chart classes for value and categories axis
 r1555 #include <QGraphicsLayout>
#include <QFontMetrics>
Michal Klocek
Refactor animator...
 r1735 #include <qmath.h>
Michal Klocek
Refactors layout...
 r1965 #include <QDebug>
Marek Rosa
Added Chart classes for value and categories axis
 r1555
static int label_padding = 5;
QTCOMMERCIALCHART_BEGIN_NAMESPACE
Marek Rosa
renamed QValueAxis related files
 r1805 ChartValueAxisX::ChartValueAxisX(QAbstractAxis *axis,ChartPresenter *presenter) : ChartAxis(axis,presenter),
Michal Klocek
Refactors Domain and Axis...
 r1698 m_tickCount(0)
Marek Rosa
Added Chart classes for value and categories axis
 r1555 {
}
Marek Rosa
renamed QValueAxis related files
 r1805 ChartValueAxisX::~ChartValueAxisX()
Marek Rosa
Added Chart classes for value and categories axis
 r1555 {
}
Marek Rosa
renamed QValueAxis related files
 r1805 QVector<qreal> ChartValueAxisX::calculateLayout() const
Marek Rosa
Added Chart classes for value and categories axis
 r1555 {
Michal Klocek
Refactors Domain and Axis...
 r1698 Q_ASSERT(m_tickCount>=2);
Marek Rosa
Added Chart classes for value and categories axis
 r1555
QVector<qreal> points;
Michal Klocek
Refactors Domain and Axis...
 r1698 points.resize(m_tickCount);
Marek Rosa
Added Chart classes for value and categories axis
 r1555
Michal Klocek
Refactors layout...
 r1965 QRectF rect = presenter()->chartsGeometry();
const qreal deltaX = rect.width()/(m_tickCount-1);
Michal Klocek
Refactors Domain and Axis...
 r1698 for (int i = 0; i < m_tickCount; ++i) {
Michal Klocek
Refactors layout...
 r1965 int x = i * deltaX + rect.left();
Marek Rosa
Added Chart classes for value and categories axis
 r1555 points[i] = x;
}
return points;
}
Marek Rosa
renamed QValueAxis related files
 r1805 void ChartValueAxisX::updateGeometry()
Marek Rosa
Added Chart classes for value and categories axis
 r1555 {
const QVector<qreal>& layout = ChartAxis::layout();
if(layout.isEmpty()) return;
Michal Klocek
Refactors layout...
 r1965 QStringList ticksList = createNumberLabels(m_min,m_max,layout.size());
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
Q_ASSERT(labels.size() == ticksList.size());
Q_ASSERT(layout.size() == ticksList.size());
Michal Klocek
Refactors layout...
 r1965 QRectF chartRrect = presenter()->chartsGeometry();
Marek Rosa
Added Chart classes for value and categories axis
 r1555 QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(axis.at(0));
Michal Klocek
Refactors layout...
 r1965 lineItem->setLine(chartRrect.left(), chartRrect.bottom(), chartRrect.right(), chartRrect.bottom());
Marek Rosa
Added Chart classes for value and categories axis
 r1555
qreal width = 0;
for (int i = 0; i < layout.size(); ++i) {
QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(lines.at(i));
Michal Klocek
Refactors layout...
 r1965 lineItem->setLine(layout[i], chartRrect.top(), layout[i], chartRrect.bottom());
Marek Rosa
Added Chart classes for value and categories axis
 r1555 QGraphicsSimpleTextItem *labelItem = static_cast<QGraphicsSimpleTextItem*>(labels.at(i));
labelItem->setText(ticksList.at(i));
const QRectF& rect = labelItem->boundingRect();
QPointF center = rect.center();
labelItem->setTransformOriginPoint(center.x(), center.y());
Michal Klocek
Refactors layout...
 r1965 labelItem->setPos(layout[i] - center.x(), chartRrect.bottom() + label_padding);
if(labelItem->pos().x() <= width ||
labelItem->pos().x() < m_rect.left() ||
labelItem->pos().x() + rect.width() > m_rect.right()){
Marek Rosa
Added Chart classes for value and categories axis
 r1555 labelItem->setVisible(false);
lineItem->setVisible(false);
}else{
labelItem->setVisible(true);
lineItem->setVisible(true);
width=rect.width()+labelItem->pos().x();
}
Michal Klocek
Refactor QChart API...
 r1577
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));
Michal Klocek
Refactors layout...
 r1965 rectItem->setRect(layout[i-1],chartRrect.top(),layout[i]-layout[i-1],chartRrect.height());
Marek Rosa
Added Chart classes for value and categories axis
 r1555 }
lineItem = static_cast<QGraphicsLineItem*>(axis.at(i+1));
Michal Klocek
Refactors layout...
 r1965 lineItem->setLine(layout[i],chartRrect.bottom(),layout[i],chartRrect.bottom()+5);
Marek Rosa
Added Chart classes for value and categories axis
 r1555 }
}
Marek Rosa
renamed QValueAxis related files
 r1805 void ChartValueAxisX::handleAxisUpdated()
Michal Klocek
Refactors Domain and Axis...
 r1698 {
//TODO:: fix this
Marek Rosa
class QValuesAxis renamed to QValueAxis
 r1804 QValueAxis* axis = qobject_cast<QValueAxis*>(m_chartAxis);
Marek Rosa
QValueAxis ticksCount to tickCount
 r1807 m_tickCount = axis->tickCount();
Michal Klocek
Refactors Domain and Axis...
 r1698 ChartAxis::handleAxisUpdated();
}
Michal Klocek
Refactors layout...
 r1965 QSizeF ChartValueAxisX::sizeHint(Qt::SizeHint which, const QSizeF& constraint) const
{
Q_UNUSED(constraint)
QFontMetrics fn(m_font);
QSizeF sh;
QSizeF base = ChartAxis::sizeHint(which, constraint);
QStringList ticksList = createNumberLabels(m_min,m_max,m_tickCount);
qreal width=0;
qreal height=0;
switch (which) {
case Qt::MinimumSize:{
int count = qMax(ticksList.last().count(),ticksList.first().count());
width=fn.averageCharWidth()*count;
height=fn.height()+label_padding;
width=qMax(width,base.width());
height+=base.height();
sh = QSizeF(width,height);
break;
}
case Qt::PreferredSize:{
for (int i = 0; i < ticksList.size(); ++i)
{
width+=fn.averageCharWidth()*ticksList.at(i).count();
}
height=fn.height()+label_padding;
width=qMax(width,base.width());
height+=base.height();
sh = QSizeF(width,height);
break;
}
default:
break;
}
return sh;
}
Marek Rosa
Added Chart classes for value and categories axis
 r1555 QTCOMMERCIALCHART_END_NAMESPACE