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Fixed a double delete chrash with scatter example
Jani Honkonen -
r129:716ea76b6c6c
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@@ -1,37 +1,37
1 #include <QtGui/QApplication>
1 #include <QtGui/QApplication>
2 #include <QMainWindow>
2 #include <QMainWindow>
3 #include <cmath>
3 #include <cmath>
4 #include <qchartglobal.h>
4 #include <qchartglobal.h>
5 #include <qchartwidget.h>
5 #include <qchartwidget.h>
6 #include <qscatterseries.h>
6 #include <qscatterseries.h>
7
7
8 QTCOMMERCIALCHART_USE_NAMESPACE
8 QTCOMMERCIALCHART_USE_NAMESPACE
9
9
10 int main(int argc, char *argv[])
10 int main(int argc, char *argv[])
11 {
11 {
12 QApplication a(argc, argv);
12 QApplication a(argc, argv);
13
13
14 // Create widget and scatter series
14 // Create widget and scatter series
15 QChartWidget chartWidget;
15 QChartWidget *chartWidget = new QChartWidget();
16 QScatterSeries *scatter =
16 QScatterSeries *scatter =
17 qobject_cast<QScatterSeries *>(chartWidget.createSeries(QChartSeries::SeriesTypeScatter));
17 qobject_cast<QScatterSeries *>(chartWidget->createSeries(QChartSeries::SeriesTypeScatter));
18 Q_ASSERT(scatter);
18 Q_ASSERT(scatter);
19
19
20 // Add test data to the series
20 // Add test data to the series
21 QList<qreal> x;
21 QList<qreal> x;
22 QList<qreal> y;
22 QList<qreal> y;
23 for (qreal i(0.0); i < 20; i += 0.5) {
23 for (qreal i(0.0); i < 20; i += 0.5) {
24 // Linear data with random component
24 // Linear data with random component
25 x.append(i + ((qreal)(rand() % 100)) / 100 );
25 x.append(i + ((qreal)(rand() % 100)) / 100 );
26 y.append(i + ((qreal)(rand() % 100)) / 100 );
26 y.append(i + ((qreal)(rand() % 100)) / 100 );
27 }
27 }
28 scatter->setData(x, y);
28 scatter->setData(x, y);
29
29
30 // Use the chart widget as the central widget
30 // Use the chart widget as the central widget
31 QMainWindow w;
31 QMainWindow w;
32 w.resize(640, 480);
32 w.resize(640, 480);
33 w.setCentralWidget(&chartWidget);
33 w.setCentralWidget(chartWidget);
34 w.show();
34 w.show();
35
35
36 return a.exec();
36 return a.exec();
37 }
37 }
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