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commented out scroll implementations from QChart. Was calling ticksCount() which is now private
commented out scroll implementations from QChart. Was calling ticksCount() which is now private
Michal Klocek - - Load All Authors

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r1541:88a7b44ee136
r1546:7a970647db42
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chartaxisx.cpp
123 lines | 4.2 KiB | text/x-c | CppLexer
/ src / axis / chartaxisx.cpp
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Michal Klocek
Refactors axis animation, line animations
 r1241 /****************************************************************************
**
** 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 "chartaxisx_p.h"
Michal Klocek
Refactors QAxis to QAbstractAxis...
 r1541 #include "qabstractaxis.h"
Michal Klocek
Refactors axis animation, line animations
 r1241 #include "qaxiscategories_p.h"
#include "chartpresenter_p.h"
#include "chartanimator_p.h"
Michal Klocek
Refactors layout managment...
 r1534 #include <QGraphicsLayout>
#include <QDebug>
#include <QFontMetrics>
Michal Klocek
Refactors axis animation, line animations
 r1241
static int label_padding = 5;
QTCOMMERCIALCHART_BEGIN_NAMESPACE
Michal Klocek
Refactors QAxis to QAbstractAxis...
 r1541 ChartAxisX::ChartAxisX(QAbstractAxis *axis,ChartPresenter *presenter) : ChartAxis(axis,presenter)
Michal Klocek
Refactors axis animation, line animations
 r1241 {
}
ChartAxisX::~ChartAxisX()
{
}
QVector<qreal> ChartAxisX::calculateLayout() const
{
Q_ASSERT(m_ticksCount>=2);
QVector<qreal> points;
points.resize(m_ticksCount);
const qreal deltaX = m_rect.width()/(m_ticksCount-1);
for (int i = 0; i < m_ticksCount; ++i) {
int x = i * deltaX + m_rect.left();
points[i] = x;
}
return points;
}
void ChartAxisX::updateGeometry()
{
const QVector<qreal>& layout = ChartAxis::layout();
Michal Klocek
Refactors layout managment...
 r1534 m_minWidth = 0;
m_minHeight = 0;
if(layout.isEmpty()) return;
Michal Klocek
Refactors axis animation, line animations
 r1241 QStringList ticksList;
bool categories = createLabels(ticksList,m_min,m_max,layout.size());
QList<QGraphicsItem *> lines = m_grid->childItems();
QList<QGraphicsItem *> labels = m_labels->childItems();
QList<QGraphicsItem *> shades = m_shades->childItems();
QList<QGraphicsItem *> axis = m_axis->childItems();
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());
Michal Klocek
Refactors layout managment...
 r1534 qreal width = 0;
Michal Klocek
Refactors axis animation, line animations
 r1241 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));
if (!categories || i<1) {
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);
Michal Klocek
Refactors layout managment...
 r1534
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
Refactors axis animation, line animations
 r1241 }
else {
labelItem->setText(ticksList.at(i));
const QRectF& rect = labelItem->boundingRect();
QPointF center = rect.center();
labelItem->setTransformOriginPoint(center.x(), center.y());
labelItem->setPos(layout[i] - (layout[i] - layout[i-1])/2 - center.x(), m_rect.bottom() + label_padding);
Michal Klocek
Refactors layout managment...
 r1534 m_minWidth+=rect.width();
m_minHeight=qMax(rect.height()+label_padding,m_minHeight);
Michal Klocek
Refactors axis animation, line animations
 r1241 }
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);
}
}
QTCOMMERCIALCHART_END_NAMESPACE