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Fix label angle setting for axis before axis is added to chart....
Fix label angle setting for axis before axis is added to chart. Since slots are obviously not connected before ChartAxis item is created, setting label angle before this is lost unless set in the constructor.
Jani Honkonen - - Load All Authors

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r2104:f8a933676fbd
r2410:47bf654423ee
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qchartview.cpp
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Michal Klocek
Fixes header guard style issues
 r969 /****************************************************************************
**
** 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 "qchartview.h"
#include "qchartview_p.h"
#include "qchart_p.h"
#include <QGraphicsScene>
#include <QRubberBand>
/*!
\enum QChartView::RubberBand
This enum describes the different types of rubber bands that can be used for zoom rect selection
\value NoRubberBand
\value VerticalRubberBand
\value HorizonalRubberBand
\value RectangleRubberBand
*/
/*!
\class QChartView
\brief Standalone charting widget.
QChartView is a standalone widget that can display charts. It does not require separate
QGraphicsScene to work. It manages the graphical representation of different types of
Jani Honkonen
Doc fixes
 r1023 series and other chart related objects like QAxis and QLegend. If you want to
Michal Klocek
Fixes header guard style issues
 r969 display a chart in your existing QGraphicsScene, you can use the QChart class instead.
\sa QChart
*/
QTCOMMERCIALCHART_BEGIN_NAMESPACE
Michal Klocek
Adds QChartView empty constructor to be able to promote qchartview in qtdesigner
 r1290 /*!
Constructs a chartView object with parent \a parent.
*/
Jani Honkonen
astyle and manual coding style fixes for src-folder
 r2097 QChartView::QChartView(QWidget *parent)
: QGraphicsView(parent),
d_ptr(new QChartViewPrivate(this))
Michal Klocek
Adds QChartView empty constructor to be able to promote qchartview in qtdesigner
 r1290 {
}
Michal Klocek
Fixes header guard style issues
 r969 /*!
Tero Ahola
No errors anymore when generating docs, wohoo! For now.
 r1002 Constructs a chartView object with parent \a parent to display a \a chart.
Michal Klocek
Fixes header guard style issues
 r969 */
Michal Klocek
Adds QChartView empty constructor to be able to promote qchartview in qtdesigner
 r1290
Jani Honkonen
astyle and manual coding style fixes for src-folder
 r2097 QChartView::QChartView(QChart *chart, QWidget *parent)
: QGraphicsView(parent),
d_ptr(new QChartViewPrivate(this, chart))
Michal Klocek
Fixes header guard style issues
 r969 {
Michal Klocek
Adds QChartView empty constructor to be able to promote qchartview in qtdesigner
 r1290
Michal Klocek
Fixes header guard style issues
 r969 }
/*!
Jani Honkonen
Doc fixes
 r1023 Destroys the object and it's children, like series and axis objects added to it.
Michal Klocek
Fixes header guard style issues
 r969 */
QChartView::~QChartView()
{
}
/*!
Returns the pointer to the associated chart
*/
Jani Honkonen
more coding style fixes for src-folder...
 r2104 QChart *QChartView::chart() const
Michal Klocek
Fixes header guard style issues
 r969 {
return d_ptr->m_chart;
}
Jani Honkonen
Implement QChartView::setChart()
 r2056 /*!
Sets the current chart to \a chart. Ownership of the new chart is passed to chartview
and ownership of the previous chart is released.
To avoid memory leaks users needs to make sure the previous chart is deleted.
*/
void QChartView::setChart(QChart *chart)
{
d_ptr->setChart(chart);
}
Michal Klocek
Fixes header guard style issues
 r969 /*!
Sets the RubberBandPlicy to \a rubberBand. Selected policy determines the way zooming is performed.
*/
Jani Honkonen
more coding style fixes for src-folder...
 r2104 void QChartView::setRubberBand(const RubberBands &rubberBand)
Michal Klocek
Fixes header guard style issues
 r969 {
Jani Honkonen
astyle and manual coding style fixes for src-folder
 r2097 d_ptr->m_rubberBandFlags = rubberBand;
Michal Klocek
Fixes header guard style issues
 r969
if (!d_ptr->m_rubberBandFlags) {
delete d_ptr->m_rubberBand;
Jani Honkonen
astyle and manual coding style fixes for src-folder
 r2097 d_ptr->m_rubberBand = 0;
Michal Klocek
Fixes header guard style issues
 r969 return;
}
if (!d_ptr->m_rubberBand) {
d_ptr->m_rubberBand = new QRubberBand(QRubberBand::Rectangle, this);
d_ptr->m_rubberBand->setEnabled(true);
}
}
/*!
Returns the RubberBandPolicy that is currently being used by the widget.
*/
QChartView::RubberBands QChartView::rubberBand() const
{
return d_ptr->m_rubberBandFlags;
}
/*!
If Left mouse button is pressed and the RubberBandPolicy is enabled the \a event is accepted and the rubber band is displayed on the screen allowing the user to select the zoom area.
If different mouse button is pressed and/or the RubberBandPolicy is disabled then the \a event is passed to QGraphicsView::mousePressEvent() implementation.
*/
void QChartView::mousePressEvent(QMouseEvent *event)
{
Jani Honkonen
astyle and manual coding style fixes for src-folder
 r2097 if (d_ptr->m_rubberBand && d_ptr->m_rubberBand->isEnabled() && event->button() == Qt::LeftButton) {
Michal Klocek
Fixes header guard style issues
 r969
Michal Klocek
Implements minimumMargins...
 r1883 QRectF plotArea = d_ptr->m_chart->plotArea();
Michal Klocek
Fixes header guard style issues
 r969
Michal Klocek
Implements minimumMargins...
 r1883 if (plotArea.contains(event->pos())) {
Michal Klocek
Fixes header guard style issues
 r969 d_ptr->m_rubberBandOrigin = event->pos();
d_ptr->m_rubberBand->setGeometry(QRect(d_ptr->m_rubberBandOrigin, QSize()));
d_ptr->m_rubberBand->show();
event->accept();
}
Jani Honkonen
astyle and manual coding style fixes for src-folder
 r2097 } else {
Michal Klocek
Fixes header guard style issues
 r969 QGraphicsView::mousePressEvent(event);
}
}
/*!
If RubberBand rectange specification has been initiated in pressEvent then \a event data is used to update RubberBand geometry.
In other case the defualt QGraphicsView::mouseMoveEvent implementation is called.
*/
void QChartView::mouseMoveEvent(QMouseEvent *event)
{
Jani Honkonen
astyle and manual coding style fixes for src-folder
 r2097 if (d_ptr->m_rubberBand && d_ptr->m_rubberBand->isVisible()) {
Michal Klocek
minor. fix warning on gcc4.1
 r1961 QRect rect = d_ptr->m_chart->plotArea().toRect();
Michal Klocek
Fixes header guard style issues
 r969 int width = event->pos().x() - d_ptr->m_rubberBandOrigin.x();
int height = event->pos().y() - d_ptr->m_rubberBandOrigin.y();
if (!d_ptr->m_rubberBandFlags.testFlag(VerticalRubberBand)) {
d_ptr->m_rubberBandOrigin.setY(rect.top());
height = rect.height();
}
if (!d_ptr->m_rubberBandFlags.testFlag(HorizonalRubberBand)) {
d_ptr->m_rubberBandOrigin.setX(rect.left());
Jani Honkonen
astyle and manual coding style fixes for src-folder
 r2097 width = rect.width();
Michal Klocek
Fixes header guard style issues
 r969 }
Jani Honkonen
astyle and manual coding style fixes for src-folder
 r2097 d_ptr->m_rubberBand->setGeometry(QRect(d_ptr->m_rubberBandOrigin.x(), d_ptr->m_rubberBandOrigin.y(), width, height).normalized());
} else {
Michal Klocek
Fixes header guard style issues
 r969 QGraphicsView::mouseMoveEvent(event);
}
}
/*!
If left mouse button is release and RubberBand is enabled then \a event is accepted and the view is zoomed in to rect specified by RubberBand
If it is the right mouse button \a event then RubberBand is dissmissed and zoom is canceled.
*/
void QChartView::mouseReleaseEvent(QMouseEvent *event)
{
Jani Honkonen
astyle and manual coding style fixes for src-folder
 r2097 if (d_ptr->m_rubberBand) {
Michal Klocek
Fixes header guard style issues
 r969 if (event->button() == Qt::LeftButton && d_ptr->m_rubberBand->isVisible()) {
d_ptr->m_rubberBand->hide();
QRect rect = d_ptr->m_rubberBand->geometry();
d_ptr->m_chart->zoomIn(rect);
event->accept();
}
Jani Honkonen
astyle and manual coding style fixes for src-folder
 r2097 if (event->button() == Qt::RightButton) {
Michal Klocek
Fixes header guard style issues
 r969 d_ptr->m_chart->zoomOut();
event->accept();
}
Jani Honkonen
astyle and manual coding style fixes for src-folder
 r2097 } else {
Michal Klocek
Fixes header guard style issues
 r969 QGraphicsView::mouseReleaseEvent(event);
}
}
/*!
Resizes and updates the chart area using the \a event data
*/
void QChartView::resizeEvent(QResizeEvent *event)
{
QGraphicsView::resizeEvent(event);
Jani Honkonen
Implement QChartView::setChart()
 r2056 d_ptr->resize();
Michal Klocek
Fixes header guard style issues
 r969 }
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
Jani Honkonen
more coding style fixes for src-folder...
 r2104 QChartViewPrivate::QChartViewPrivate(QChartView *q, QChart *chart)
Jani Honkonen
astyle and manual coding style fixes for src-folder
 r2097 : q_ptr(q),
m_scene(new QGraphicsScene(q)),
m_chart(chart),
m_rubberBand(0),
m_rubberBandFlags(QChartView::NoRubberBand)
Michal Klocek
Fixes header guard style issues
 r969 {
Michal Klocek
Adds QChartView empty constructor to be able to promote qchartview in qtdesigner
 r1290 q_ptr->setFrameShape(QFrame::NoFrame);
q_ptr->setBackgroundRole(QPalette::Window);
q_ptr->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
q_ptr->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
q_ptr->setScene(m_scene);
q_ptr->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
Jani Honkonen
astyle and manual coding style fixes for src-folder
 r2097 if (!m_chart)
m_chart = new QChart();
Michal Klocek
Adds QChartView empty constructor to be able to promote qchartview in qtdesigner
 r1290 m_scene->addItem(m_chart);
Michal Klocek
Fixes header guard style issues
 r969 }
QChartViewPrivate::~QChartViewPrivate()
{
}
Jani Honkonen
Implement QChartView::setChart()
 r2056 void QChartViewPrivate::setChart(QChart *chart)
{
Q_ASSERT(chart);
if (m_chart == chart)
return;
if (m_chart)
m_scene->removeItem(m_chart);
m_chart = chart;
m_scene->addItem(m_chart);
resize();
}
void QChartViewPrivate::resize()
{
m_chart->resize(q_ptr->size());
q_ptr->setMinimumSize(m_chart->minimumSize().toSize());
q_ptr->setSceneRect(m_chart->geometry());
}
Michal Klocek
Fixes header guard style issues
 r969 #include "moc_qchartview.cpp"
QTCOMMERCIALCHART_END_NAMESPACE