mainwindow.cpp
57 lines
| 1.6 KiB
| text/x-c
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CppLexer
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r830 | /**************************************************************************** | ||
** | ||||
** 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 | ||||
** $QT_END_LICENSE$ | ||||
** | ||||
****************************************************************************/ | ||||
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r394 | #include "mainwindow.h" | ||
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r831 | #include <QChartView> | ||
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r394 | |||
QTCOMMERCIALCHART_USE_NAMESPACE | ||||
MainWindow::MainWindow(QWidget *parent) | ||||
: QMainWindow(parent) | ||||
{ | ||||
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r831 | QChart *chart = new QChart(); | ||
chart->setTitle("Click to remove scatter point"); | ||||
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r394 | |||
m_scatter = new QScatterSeries(); | ||||
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r536 | for(qreal x(0.5); x <= 4.0; x += 0.5) { | ||
for(qreal y(0.5); y <= 4.0; y += 0.5) { | ||||
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r394 | *m_scatter << QPointF(x, y); | ||
} | ||||
} | ||||
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r831 | chart->addSeries(m_scatter); | ||
chart->axisX()->setRange(0, 4.5); | ||||
chart->axisY()->setRange(0, 4.5); | ||||
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r394 | |||
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r967 | connect(m_scatter, SIGNAL(clicked(QPointF)), this, SLOT(handleClickedPoint(QPointF))); | ||
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r831 | |||
QChartView *chartView = new QChartView(chart); | ||||
chartView->setRenderHint(QPainter::Antialiasing); | ||||
setCentralWidget(chartView); | ||||
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r394 | } | ||
MainWindow::~MainWindow() | ||||
{ | ||||
} | ||||
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r541 | void MainWindow::handleClickedPoint(const QPointF& point) | ||
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r394 | { | ||
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r541 | m_scatter->remove(point); | ||
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r394 | } | ||