HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Commit - r958:21d46a2d2e69

Removed key zoom/scroll from QChartView

Tero Ahola -

r958:21d46a2d2e69

parent child

Context file:

r958:21d46a2d2e69

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demos/chartthemes/themewidget.cpp +11 -11

             /****************************************************************************
             **
             ** 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 "themewidget.h"
             #include <QChartView>
             #include <QPieSeries>
             #include <QPieSlice>
             #include <QBarSeries>
             #include <QPercentBarSeries>
             #include <QStackedBarSeries>
             #include <QBarSet>
             #include <QLineSeries>
             #include <QSplineSeries>
             #include <QScatterSeries>
             #include <QAreaSeries>
             #include <QLegend>
             #include <QGridLayout>
             #include <QFormLayout>
             #include <QComboBox>
             #include <QSpinBox>
             #include <QCheckBox>
             #include <QGroupBox>
             #include <QLabel>
             #include <QTime>
             ThemeWidget::ThemeWidget(QWidget* parent) :
                 QWidget(parent),
                 m_listCount(3),
                 m_valueMax(10),
                 m_valueCount(7),
                 m_dataTable(generateRandomData(m_listCount,m_valueMax,m_valueCount)),
                 m_themeComboBox(createThemeBox()),
                 m_antialiasCheckBox(new QCheckBox("Anti-aliasing")),
                 m_animatedComboBox(createAnimationBox()),
                 m_legendComboBox(createLegendBox())
             {
                 connectSignals();
                 // create layout
                 QGridLayout* baseLayout = new QGridLayout();
                 QHBoxLayout *settingsLayout = new QHBoxLayout();
                 settingsLayout->addWidget(new QLabel("Theme:"));
                 settingsLayout->addWidget(m_themeComboBox);
                 settingsLayout->addWidget(new QLabel("Animation:"));
                 settingsLayout->addWidget(m_animatedComboBox);
                 settingsLayout->addWidget(new QLabel("Legend:"));
                 settingsLayout->addWidget(m_legendComboBox);
                 settingsLayout->addWidget(m_antialiasCheckBox);
                 settingsLayout->addStretch();
                 baseLayout->addLayout(settingsLayout, 0, 0, 1, 3);
                 //create charts
                 QChartView *chartView;
                 chartView = new QChartView(createAreaChart());
                 baseLayout->addWidget(chartView, 1, 0);
                 m_charts << chartView;
                 chartView = new QChartView(createBarChart(m_valueCount));
                 baseLayout->addWidget(chartView, 1, 1);
                 m_charts << chartView;
                 chartView = new QChartView(createLineChart());
                 baseLayout->addWidget(chartView, 1, 2);
                 m_charts << chartView;
                 chartView = new QChartView(createPieChart());
                 chartView->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored); // funny things happen if the pie slice labels no not fit the screen...
                 baseLayout->addWidget(chartView, 2, 0);
                 m_charts << chartView;
                 chartView = new QChartView(createSplineChart());
                 baseLayout->addWidget(chartView, 2, 1);
                 m_charts << chartView;
                 chartView = new QChartView(createScatterChart());
                 baseLayout->addWidget(chartView, 2, 2);
                 m_charts << chartView;
                 setLayout(baseLayout);
                 // Set defaults
                 m_antialiasCheckBox->setChecked(true);
                 updateUI();
             }
             ThemeWidget::~ThemeWidget()
             {
             }
             void ThemeWidget::connectSignals()
             {
                 connect(m_themeComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
                 connect(m_antialiasCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI()));
                 connect(m_animatedComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
                 connect(m_legendComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
             }
             DataTable ThemeWidget::generateRandomData(int listCount,int valueMax,int valueCount) const
             {
                 DataTable dataTable;
                 // set seed for random stuff
                 qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime()));
                 // generate random data
                 for (int i(0); i < listCount; i++) {
                     DataList dataList;
                     qreal yValue(0);
                     for (int j(0); j < valueCount; j++) {
                         yValue = yValue + (qreal) (qrand() % valueMax) / (qreal) valueCount;
                         QPointF value((j + (qreal) rand() / (qreal) RAND_MAX) * ((qreal) m_valueMax / (qreal) valueCount),
                                       yValue);
                         QString label = "Slice " + QString::number(i) + ":" + QString::number(j);
                         dataList << Data(value, label);
                     }
                     dataTable << dataList;
                 }
                 return dataTable;
             }
             QComboBox* ThemeWidget::createThemeBox() const
             {
                 // settings layout
                 QComboBox* themeComboBox = new QComboBox();
                 themeComboBox->addItem("Light", QChart::ChartThemeLight);
                 themeComboBox->addItem("Blue Cerulean", QChart::ChartThemeBlueCerulean);
                 themeComboBox->addItem("Dark", QChart::ChartThemeDark);
                 themeComboBox->addItem("Brown Sand", QChart::ChartThemeBrownSand);
                 themeComboBox->addItem("Blue NCS", QChart::ChartThemeBlueNcs);
                 themeComboBox->addItem("High Contrast", QChart::ChartThemeHighContrast);
                 themeComboBox->addItem("Blue Icy", QChart::ChartThemeBlueIcy);
                 return themeComboBox;
             }
             QComboBox* ThemeWidget::createAnimationBox() const
             {
                 // settings layout
                 QComboBox* animationComboBox = new QComboBox();
                 animationComboBox->addItem("No Animations", QChart::NoAnimation);
                 animationComboBox->addItem("GridAxis Animations", QChart::GridAxisAnimations);
                 animationComboBox->addItem("Series Animations", QChart::SeriesAnimations);
                 animationComboBox->addItem("All Animations", QChart::AllAnimations);
                 return animationComboBox;
             }
             QComboBox* ThemeWidget::createLegendBox() const
             {
                 QComboBox* legendComboBox = new QComboBox();
                 legendComboBox->addItem("No Legend ", 0);
                 legendComboBox->addItem("Legend Top", QLegend::AlignmentTop);
                 legendComboBox->addItem("Legend Bottom", QLegend::AlignmentBottom);
                 legendComboBox->addItem("Legend Left", QLegend::AlignmentLeft);
                 legendComboBox->addItem("Legend Right", QLegend::AlignmentRight);
                 return legendComboBox;
             }
             QChart* ThemeWidget::createAreaChart() const
             {
-                // area chart
                 QChart *chart = new QChart();
                 chart->axisX()->setNiceNumbers(true);
                 chart->axisY()->setNiceNumbers(true);
                 chart->setTitle("Area chart");
-                QString name("Series ");
-                int nameIndex = 0;
                 // The lower series initialized to zero values
                 QLineSeries *lowerSeries = 0;
+                QString name("Series ");
+                int nameIndex = 0;
                 for (int i(0); i < m_dataTable.count(); i++) {
                     QLineSeries *upperSeries = new QLineSeries(chart);
                     for (int j(0); j < m_dataTable[i].count(); j++) {
                         Data data = m_dataTable[i].at(j);
                         if (lowerSeries)
                             upperSeries->append(QPointF(j, lowerSeries->y(i) + data.first.y()));
                         else
                             upperSeries->append(QPointF(j, data.first.y()));
                     }
                     QAreaSeries *area = new QAreaSeries(upperSeries, lowerSeries);
                     area->setName(name + QString::number(nameIndex));
                     nameIndex++;
                     chart->addSeries(area);
                     lowerSeries = upperSeries;
                 }
                 return chart;
             }
             QChart* ThemeWidget::createBarChart(int valueCount) const
             {
-                // bar chart
                 QChart* chart = new QChart();
                 chart->axisX()->setNiceNumbers(true);
                 chart->axisY()->setNiceNumbers(true);
                 chart->setTitle("Bar chart");
                 QBarCategories categories;
-                // TODO: categories
                 for (int i(0); i < valueCount; i++)
                     categories << QString::number(i);
-            //            QBarSeries* series = new QBarSeries(categories, chart);
-            //            QPercentBarSeries* series = new QPercentBarSeries(categories, chart);
                 QStackedBarSeries* series = new QStackedBarSeries(categories, chart);
                 for (int i(0); i < m_dataTable.count(); i++) {
                     QBarSet *set = new QBarSet("Bar set " + QString::number(i));
                     foreach (Data data, m_dataTable[i])
                         *set << data.first.y();
                     series->appendBarSet(set);
                 }
                 chart->addSeries(series);
                 return chart;
             }
             QChart* ThemeWidget::createLineChart() const
             {
-                // line chart
                 QChart* chart = new QChart();
                 chart->axisX()->setNiceNumbers(true);
                 chart->axisY()->setNiceNumbers(true);
                 chart->setTitle("Line chart");
                 QString name("Series ");
                 int nameIndex = 0;
                 foreach (DataList list, m_dataTable) {
                     QLineSeries *series = new QLineSeries(chart);
                     foreach (Data data, list)
                         series->append(data.first);
                     series->setName(name + QString::number(nameIndex));
                     nameIndex++;
                     chart->addSeries(series);
                 }
                 return chart;
             }
             QChart* ThemeWidget::createPieChart() const
             {
-                // pie chart
                 QChart* chart = new QChart();
                 chart->setTitle("Pie chart");
                 qreal pieSize = 1.0 / m_dataTable.count();
                 for (int i = 0; i < m_dataTable.count(); i++) {
                     QPieSeries *series = new QPieSeries(chart);
                     foreach (Data data, m_dataTable[i]) {
                         QPieSlice *slice = series->append(data.first.y(), data.second);
                         if (data == m_dataTable[i].first()) {
                             slice->setLabelVisible();
                             slice->setExploded();
                         }
                     }
                     qreal hPos = (pieSize / 2) + (i / (qreal) m_dataTable.count());
                     series->setPieSize(pieSize);
                     series->setHorizontalPosition(hPos);
                     series->setVerticalPosition(0.5);
                     chart->addSeries(series);
                 }
                 return chart;
             }
             QChart* ThemeWidget::createSplineChart() const
             { // spine chart
                 QChart* chart = new QChart();
                 chart->axisX()->setNiceNumbers(true);
                 chart->axisY()->setNiceNumbers(true);
                 chart->setTitle("Spline chart");
                 QString name("Series ");
                 int nameIndex = 0;
                 foreach (DataList list, m_dataTable) {
                     QSplineSeries *series = new QSplineSeries(chart);
                     foreach (Data data, list)
                         series->append(data.first);
                     series->setName(name + QString::number(nameIndex));
                     nameIndex++;
                     chart->addSeries(series);
                 }
                 return chart;
             }
             QChart* ThemeWidget::createScatterChart() const
             { // scatter chart
                 QChart* chart = new QChart();
                 chart->axisX()->setNiceNumbers(true);
                 chart->axisY()->setNiceNumbers(true);
                 chart->setTitle("Scatter chart");
                 QString name("Series ");
                 int nameIndex = 0;
                 foreach (DataList list, m_dataTable) {
                     QScatterSeries *series = new QScatterSeries(chart);
                     foreach (Data data, list)
                         series->append(data.first);
                     series->setName(name + QString::number(nameIndex));
                     nameIndex++;
                     chart->addSeries(series);
                 }
                 return chart;
             }
             void ThemeWidget::updateUI()
             {
                 QChart::ChartTheme theme = (QChart::ChartTheme) m_themeComboBox->itemData(m_themeComboBox->currentIndex()).toInt();
                 if (m_charts.at(0)->chart()->theme() != theme) {
                     foreach (QChartView *chartView, m_charts)
                         chartView->chart()->setTheme(theme);
                     QPalette pal = window()->palette();
                     if (theme == QChart::ChartThemeLight) {
                         pal.setColor(QPalette::Window, QRgb(0xf0f0f0));
                         pal.setColor(QPalette::WindowText, QRgb(0x404044));
                     } else if (theme == QChart::ChartThemeDark) {
                         pal.setColor(QPalette::Window, QRgb(0x121218));
                         pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6));
                     } else if (theme == QChart::ChartThemeBlueCerulean) {
                         pal.setColor(QPalette::Window, QRgb(0x40434a));
                         pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6));
                     } else if (theme == QChart::ChartThemeBrownSand) {
                         pal.setColor(QPalette::Window, QRgb(0x9e8965));
                         pal.setColor(QPalette::WindowText, QRgb(0x404044));
                     } else if (theme == QChart::ChartThemeBlueNcs) {
                         pal.setColor(QPalette::Window, QRgb(0x018bba));
                         pal.setColor(QPalette::WindowText, QRgb(0x404044));
                     } else if (theme == QChart::ChartThemeHighContrast) {
                         pal.setColor(QPalette::Window, QRgb(0xffab03));
                         pal.setColor(QPalette::WindowText, QRgb(0x181818));
                     } else if (theme == QChart::ChartThemeBlueIcy) {
                         pal.setColor(QPalette::Window, QRgb(0xcee7f0));
                         pal.setColor(QPalette::WindowText, QRgb(0x404044));
                     } else {
                         pal.setColor(QPalette::Window, QRgb(0xf0f0f0));
                         pal.setColor(QPalette::WindowText, QRgb(0x404044));
                     }
                     window()->setPalette(pal);
                 }
                 bool checked = m_antialiasCheckBox->isChecked();
                 foreach (QChartView *chart, m_charts)
                     chart->setRenderHint(QPainter::Antialiasing, checked);
                 QChart::AnimationOptions options(m_animatedComboBox->itemData(m_animatedComboBox->currentIndex()).toInt());
                 if (m_charts.at(0)->chart()->animationOptions() != options) {
                     foreach (QChartView *chartView, m_charts)
                         chartView->chart()->setAnimationOptions(options);
                 }
                 QLegend::Alignments alignment(m_legendComboBox->itemData(m_legendComboBox->currentIndex()).toInt());
                 if (!alignment) {
                     foreach (QChartView *chartView, m_charts) {
                         chartView->chart()->legend()->hide();
                     }
+                } else {
-                else
                     foreach (QChartView *chartView, m_charts) {
                         chartView->chart()->legend()->setAlignment(alignment);
                         chartView->chart()->legend()->show();
                     }
                 }
+            }

src/qchartview.cpp 0 -31

             /****************************************************************************
             **
             ** 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 "qchart_p.h"
             #include "qchartview_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
                 QChartSeries and other chart related objects like QChartAxis and QChartLegend. If you want to
                 display a chart in your existing QGraphicsScene, you can use the QChart class instead.
                 \sa QChart
             */
             QTCOMMERCIALCHART_BEGIN_NAMESPACE
             /*!
                 Constructs a chartView object which is a child of a\a parent.
             */
             QChartView::QChartView(QChart *chart,QWidget *parent) :
                 QGraphicsView(parent),
                 d_ptr(new QChartViewPrivate())
             {
                 Q_ASSERT(chart);
                 d_ptr->m_scene = new QGraphicsScene(this);
                 d_ptr->m_chart = chart;
                 setFrameShape(QFrame::NoFrame);
                 setBackgroundRole(QPalette::Window);
                 setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
                 setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
                 setScene(d_ptr->m_scene);
                 d_ptr->m_scene->addItem(chart);
                 setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
             }
             /*!
                 Destroys the object and it's children, like QChartSeries and QChartAxis object added to it.
             */
             QChartView::~QChartView()
             {
             }
             /*!
                 Returns the pointer to the associated chart
             */
             QChart* QChartView::chart() const
             {
                 return d_ptr->m_chart;
             }
             /*!
                 Sets the RubberBandPlicy to \a rubberBand. Selected policy determines the way zooming is performed.
             */
             void QChartView::setRubberBand(const RubberBands& rubberBand)
             {
                 d_ptr->m_rubberBandFlags=rubberBand;
                 if (!d_ptr->m_rubberBandFlags) {
                     delete d_ptr->m_rubberBand;
                     d_ptr->m_rubberBand=0;
                     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)
             {
                 if(d_ptr->m_rubberBand && d_ptr->m_rubberBand->isEnabled() && event->button() == Qt::LeftButton) {
                     int padding = d_ptr->m_chart->margins().top();
                     QRect rect(padding, padding, width() - 2 * padding, height() - 2 * padding);
                     if (rect.contains(event->pos())) {
                         d_ptr->m_rubberBandOrigin = event->pos();
                         d_ptr->m_rubberBand->setGeometry(QRect(d_ptr->m_rubberBandOrigin, QSize()));
                         d_ptr->m_rubberBand->show();
                         event->accept();
                     }
                 }
                 else {
                     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)
             {
                 if(d_ptr->m_rubberBand && d_ptr->m_rubberBand->isVisible()) {
                     QRectF margins = d_ptr->m_chart->margins();
                     QRectF geometry = d_ptr->m_chart->geometry();
                     QRectF rect =geometry.adjusted(margins.left(),margins.top(),-margins.right(),-margins.bottom());
                     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());
                         width= rect.width();
                     }
                     d_ptr->m_rubberBand->setGeometry(QRect(d_ptr->m_rubberBandOrigin.x(),d_ptr->m_rubberBandOrigin.y(), width,height).normalized());
                 }
                 else {
                     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)
             {
                 if(d_ptr->m_rubberBand) {
                     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();
                     }
                     if(event->button()==Qt::RightButton){
                         d_ptr->m_chart->zoomOut();
                         event->accept();
                     }
                 }
                 else {
                     QGraphicsView::mouseReleaseEvent(event);
                 }
             }
             /*!
-                Pressing + and - keys performs zoomIn() and zoomOut() respectivly.
-                In other \a event is passed to the QGraphicsView::keyPressEvent() implementation
-            */
-            void QChartView::keyPressEvent(QKeyEvent *event)
-                switch (event->key()) {
-                    case Qt::Key_Plus:
-                        d_ptr->m_chart->zoomIn();
-                        break;
-                    case Qt::Key_Minus:
-                        d_ptr->m_chart->zoomOut();
-                        break;
-                    case Qt::Key_Left:
-                        d_ptr->m_chart->scrollLeft();
-                        break;
-                    case Qt::Key_Right:
-                        d_ptr->m_chart->scrollRight();
-                        break;
-                    case Qt::Key_Up:
-                        d_ptr->m_chart->scrollUp();
-                        break;
-                    case Qt::Key_Down:
-                        d_ptr->m_chart->scrollDown();
-                        break;
-                    default:
-                        QGraphicsView::keyPressEvent(event);
-                        break;
-            /*!
                 Resizes and updates the chart area using the \a event data
             */
             void QChartView::resizeEvent(QResizeEvent *event)
             {
                 QGraphicsView::resizeEvent(event);
                 d_ptr->m_chart->resize(size());
                 setMinimumSize(d_ptr->m_chart->minimumSize().toSize());
                 setSceneRect(d_ptr->m_chart->geometry());
             }
             ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
             QChartViewPrivate::QChartViewPrivate():
             m_scene(0),
             m_chart(0),
             m_presenter(0),
             m_rubberBand(0),
             m_rubberBandFlags(QChartView::NoRubberBand)
             {
             }
             QChartViewPrivate::~QChartViewPrivate()
             {
             }
             #include "moc_qchartview.cpp"
             QTCOMMERCIALCHART_END_NAMESPACE

src/qchartview.h 0 -1

             /****************************************************************************
             **
             ** 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
             ** $QT_END_LICENSE$
             **
             ****************************************************************************/
             #ifndef QCHARTVIEW_H
             #define QCHARTVIEW_H
             #include <QChartAxis>
             #include <QSeries>
             #include <QChart>
             #include <QGraphicsView>
             class QGraphicsScene;
             class QRubberBand;
             QTCOMMERCIALCHART_BEGIN_NAMESPACE
             struct QChartViewPrivate;
             class QTCOMMERCIALCHART_EXPORT QChartView : public QGraphicsView
             {
                 Q_OBJECT
             public:
                 enum  RubberBand{
                     NoRubberBand = 0x0,
                     VerticalRubberBand = 0x1,
                     HorizonalRubberBand = 0x2,
                     RectangleRubberBand = 0x3
                 };
                 Q_DECLARE_FLAGS(RubberBands, RubberBand)
                 explicit QChartView(QChart *chart,QWidget *parent = 0);
                 ~QChartView();
                 void setRubberBand(const RubberBands& rubberBands);
                 RubberBands rubberBand() const;
                 QChart* chart() const;
             protected:
                 void resizeEvent(QResizeEvent *event);
                 void mousePressEvent(QMouseEvent *event);
                 void mouseMoveEvent(QMouseEvent *event);
                 void mouseReleaseEvent(QMouseEvent *event);
-                void keyPressEvent(QKeyEvent *event);
             protected:
                 QScopedPointer<QChartViewPrivate> d_ptr;
                 Q_DISABLE_COPY(QChartView)
             };
             QTCOMMERCIALCHART_END_NAMESPACE
             #endif // QCHARTWIDGET_H

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