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Improved usability of QML pie tester
Improved usability of QML pie tester
Marek Rosa - - Load All Authors

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r1807:d572c33906e7
r1868:0ad2e4ec916e
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chartvalueaxisx.cpp
120 lines | 3.9 KiB | text/x-c | CppLexer
/ src / axis / valueaxis / chartvalueaxisx.cpp
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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>
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 Domain and Axis...
 r1698 const qreal deltaX = m_rect.width()/(m_tickCount-1);
for (int i = 0; i < m_tickCount; ++i) {
Marek Rosa
Added Chart classes for value and categories axis
 r1555 int x = i * deltaX + m_rect.left();
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();
m_minWidth = 0;
m_minHeight = 0;
if(layout.isEmpty()) return;
QStringList ticksList;
Michal Klocek
Refactor QChart API...
 r1577 createNumberLabels(ticksList,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());
QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(axis.at(0));
lineItem->setLine(m_rect.left(), m_rect.bottom(), m_rect.right(), m_rect.bottom());
qreal width = 0;
for (int i = 0; i < layout.size(); ++i) {
QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(lines.at(i));
lineItem->setLine(layout[i], m_rect.top(), layout[i], m_rect.bottom());
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());
labelItem->setPos(layout[i] - center.x(), m_rect.bottom() + label_padding);
if(labelItem->pos().x()<=width){
labelItem->setVisible(false);
lineItem->setVisible(false);
}else{
labelItem->setVisible(true);
lineItem->setVisible(true);
width=rect.width()+labelItem->pos().x();
}
m_minWidth+=rect.width();
m_minHeight=qMax(rect.height(),m_minHeight);
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));
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);
}
}
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();
}
Marek Rosa
Added Chart classes for value and categories axis
 r1555 QTCOMMERCIALCHART_END_NAMESPACE