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mainwindow.cpp
57 lines | 1.6 KiB | text/x-c | CppLexer
/****************************************************************************
**
** 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 "mainwindow.h"
#include <QChartView>
QTCOMMERCIALCHART_USE_NAMESPACE
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent)
{
QChart *chart = new QChart();
chart->setTitle("Click to remove scatter point");
m_scatter = new QScatterSeries();
for(qreal x(0.5); x <= 4.0; x += 0.5) {
for(qreal y(0.5); y <= 4.0; y += 0.5) {
*m_scatter << QPointF(x, y);
}
}
chart->addSeries(m_scatter);
chart->axisX()->setRange(0, 4.5);
chart->axisY()->setRange(0, 4.5);
connect(m_scatter, SIGNAL(clicked(const QPointF&)), this, SLOT(handleClickedPoint(const QPointF&)));
QChartView *chartView = new QChartView(chart);
chartView->setRenderHint(QPainter::Antialiasing);
setCentralWidget(chartView);
}
MainWindow::~MainWindow()
{
}
void MainWindow::handleClickedPoint(const QPointF& point)
{
m_scatter->remove(point);
}