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Fixed presenter and scatter examples and their documentation.
Tero Ahola -
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1 #include "chartview.h"
2 #include <QScatterSeries>
3
4 ChartView::ChartView(QWidget *parent) :
5 QChartView(new QChart(), parent)
6 {
7 //![1]
8 QScatterSeries *series0 = new QScatterSeries();
9 series0->setShape(QScatterSeries::MarkerShapeCircle);
10 series0->setSize(15.0);
11
12 QScatterSeries *series1 = new QScatterSeries();
13 series1->setShape(QScatterSeries::MarkerShapeCircle);
14 series1->setSize(20.0);
15 //![1]
16
17 //![2]
18 series0->append(0, 6);
19 series0->append(2, 4);
20 series0->append(3, 8);
21 series0->append(7, 4);
22 series0->append(10, 5);
23
24 *series1 << QPointF(1, 1) << QPointF(3, 3) << QPointF(7, 6) << QPointF(8, 3) << QPointF(10, 2);
25 //![2]
26
27 //![3]
28 setRenderHint(QPainter::Antialiasing);
29 chart()->addSeries(series0);
30 chart()->addSeries(series1);
31 chart()->setTitle("Simple scatterchart example");
32 chart()->setBackgroundDropShadowEnabled(false);
33 //![3]
34 }
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1 #ifndef CHARTVIEW_H
2 #define CHARTVIEW_H
3
4 #include <QChartView>
5
6 QTCOMMERCIALCHART_USE_NAMESPACE
7
8 class ChartView : public QChartView
9 {
10 Q_OBJECT
11 public:
12 explicit ChartView(QWidget *parent = 0);
13
14 signals:
15
16 public slots:
17
18 };
19
20 #endif // CHARTVIEW_H
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1 NO CONTENT: modified file, binary diff hidden
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1 /*!
1 /*!
2 \example examples/presenterchart
2 \example examples/presenterchart
3 \title PresenterChart Example
3 \title PresenterChart Example
4 \subtitle
4 \subtitle
5
5
6 The example shows how to create chart which presents the same set of data as line, scatter, spline and area charts.
6 The example shows how to create chart which presents the same set of data as line, scatter, spline and area charts.
7 ChartPresenter will switch between these four chart types every few seconds. Note: You can also use the
7 ChartPresenter will switch between these four chart types every few seconds. Note: You can also use the
8 QAbstractItemModel related APIs to pass data for the different series types. See the \l {Model data example} for
8 QAbstractItemModel related APIs to pass data for the different series types. See the \l {Model data example} for
9 more details.
9 more details.
10
10
11 \image examples_presenterchart1.png
11 \image examples_presenterchart1.png
12 \image examples_presenterchart2.png
12 \image examples_presenterchart2.png
13 \image examples_presenterchart3.png
13 \image examples_presenterchart3.png
14 \image examples_presenterchart4.png
14 \image examples_presenterchart4.png
15
15
16 We create simple ChartView class which derives form QChartView.
16 We create simple ChartView class which derives form QChartView.
17
17
18 \snippet ../examples/presenterchart/chartview.h 1
18 \snippet ../examples/presenterchart/chartview.h 1
19
19
20 Class will implement \c handleTimeout() slot which we are going to use to trigger switching between different chart presentations.
20 Class will implement \c handleTimeout() slot which we are going to use to trigger switching between different chart presentations.
21 We are also going to provide \c handlePoitClicked() slot which will show clicked point on the chart.
21 We are also going to provide \c handlePoitClicked() slot which will show clicked point on the chart.
22 Class members \c m_series and \c m_titles are going to store series and related titles. In example we are going to present data as a line chart
22 Class members \c m_series and \c m_titles are going to store series and related titles. In example we are going to present data as a line chart
23 using QLineSeries , as scatter chart using QScatterSeries, as a spline chart using QSplineSeries and a area chart using QAreaSeries. We create needed instances in constructor of ChartView class.
23 using QLineSeries , as scatter chart using QScatterSeries, as a spline chart using QSplineSeries and a area chart using QAreaSeries. We create needed instances in constructor of ChartView class.
24 We set custom line and points colors.
24 We set custom line and points colors.
25
25
26 \snippet ../examples/presenterchart/chartview.cpp 1
26 \snippet ../examples/presenterchart/chartview.cpp 1
27
27
28 We add data to three series. Please note area chart is going to use QLineSeries as the upper line. We can use add() member function.
28 We add data to three series. Please note area chart is going to use QLineSeries as the upper line. We can use add() member function.
29
29
30 \snippet ../examples/presenterchart/chartview.cpp 2
30 \snippet ../examples/presenterchart/chartview.cpp 2
31
31
32 In the end we store references all the created series and matching titles.
32 In the end we store references all the created series and matching titles.
33
33
34 \snippet ../examples/presenterchart/chartview.cpp 3
34 \snippet ../examples/presenterchart/chartview.cpp 3
35
35
36 We connect \c clicked() signals from each series with our \c handlePointClciked() slot.
37
38 \snippet ../examples/presenterchart/chartview.cpp 4
39
40 In \c handleTimeout() slot we change currently displayed chart by removing previous series and adding next series from the \c m_series list. We also set proper title.
36 In \c handleTimeout() slot we change currently displayed chart by removing previous series and adding next series from the \c m_series list. We also set proper title.
41
37
42 \snippet ../examples/presenterchart/chartview.cpp 5
38 \snippet ../examples/presenterchart/chartview.cpp 4
43
44 In \c handlePointClciked() slot we set the chart's title to show clicked point x and y coordinates.
45
46 \snippet ../examples/presenterchart/chartview.cpp 6
47
48 */
39 */
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@@ -1,26 +1,27
1 /*!
1 /*!
2 \example examples/scatterchart
2 \example examples/scatterchart
3 \title ScatterChart Example
3 \title ScatterChart Example
4 \subtitle
4 \subtitle
5
5
6 The example shows how to create simple scatter chart.
6 The example shows how to create simple scatter chart.
7
7
8 \image examples_scatterchart.png
8 \image examples_scatterchart.png
9
9
10 To create scatter charts, QScatterSeries instance is needed. Here we create scatter series instance and we set the type, color and width of outline for scatter points.
10 To create scatter charts, QScatterSeries instance is needed. Here we create scatter series instance and we set the type, color and width of outline for scatter points.
11
11
12 \snippet ../examples/scatterchart/main.cpp 1
12 \snippet ../examples/scatterchart/chartview.cpp 1
13
13
14 We add data to be shown. We can use add() member function or use stream operator.
14 We add data to be shown. We can use add() member function or use stream operator.
15
15
16 \snippet ../examples/scatterchart/main.cpp 2
16 \snippet ../examples/scatterchart/chartview.cpp 2
17
17
18 In the end we create QChartView instance, set title, set anti-aliasing and add scatter series.
18 In the end we enable anti-aliasing, set the chart title and add the scatter series onto the chart. We also disable
19 drop shadow, because it would not look good on an application with only chart view shown.
19
20
20 \snippet ../examples/scatterchart/main.cpp 3
21 \snippet ../examples/scatterchart/chartview.cpp 3
21
22
22 Chart is ready to be shown.
23 Chart is ready to be shown.
23
24
24 \snippet ../examples/scatterchart/main.cpp 4
25 \snippet ../examples/scatterchart/main.cpp 4
25
26
26 */
27 */
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@@ -1,116 +1,105
1 /****************************************************************************
1 /****************************************************************************
2 **
2 **
3 ** Copyright (C) 2012 Digia Plc
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
8 **
9 ** $QT_BEGIN_LICENSE$
9 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
13 ** a written agreement between you and Digia.
14 **
14 **
15 ** If you have questions regarding the use of this file, please use
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
17 ** $QT_END_LICENSE$
18 **
18 **
19 ****************************************************************************/
19 ****************************************************************************/
20
20
21 #include "chartview.h"
21 #include "chartview.h"
22 #include <QLineSeries>
22 #include <QLineSeries>
23 #include <QScatterSeries>
23 #include <QScatterSeries>
24 #include <QSplineSeries>
24 #include <QSplineSeries>
25 #include <QAreaSeries>
25 #include <QAreaSeries>
26 #include <QTime>
26 #include <QTime>
27
27
28 ChartView::ChartView(QChart* chart,QWidget* parent):QChartView(chart,parent),
28 ChartView::ChartView(QChart* chart,QWidget* parent):QChartView(chart,parent),
29 m_index(-1),m_chart(chart)
29 m_index(-1),m_chart(chart)
30 {
30 {
31 m_chart->setTitle("Charts presenter");
31 m_chart->setTitle("Charts presenter");
32 m_chart->setBackgroundDropShadowEnabled(false);
32 QObject::connect(&m_timer,SIGNAL(timeout()),this,SLOT(handleTimeout()));
33 QObject::connect(&m_timer,SIGNAL(timeout()),this,SLOT(handleTimeout()));
33 m_timer.setInterval(3000);
34 m_timer.setInterval(3000);
34
35
35 //![1]
36 //![1]
36 QLineSeries* series0 = new QLineSeries();
37 QLineSeries* series0 = new QLineSeries();
37 QPen blue(Qt::blue);
38 QPen blue(Qt::blue);
38 blue.setWidth(3);
39 blue.setWidth(3);
39 series0->setPen(blue);
40 series0->setPen(blue);
40
41
41 QScatterSeries* series1 = new QScatterSeries();
42 QScatterSeries* series1 = new QScatterSeries();
42 QPen red(Qt::red);
43 QPen red(Qt::red);
43 red.setWidth(3);
44 red.setWidth(3);
44 series1->setPen(red);
45 series1->setPen(red);
45 series1->setBrush(Qt::white);
46 series1->setBrush(Qt::white);
46
47
47 QSplineSeries* series2 = new QSplineSeries();
48 QSplineSeries* series2 = new QSplineSeries();
48 QPen green(Qt::green);
49 QPen green(Qt::green);
49 green.setWidth(3);
50 green.setWidth(3);
50 series2->setPen(green);
51 series2->setPen(green);
51
52
52 QAreaSeries* series3 = new QAreaSeries(series0);
53 QAreaSeries* series3 = new QAreaSeries(series0);
53 QPen yellow(Qt::black);
54 QPen yellow(Qt::black);
54 yellow.setWidth(3);
55 yellow.setWidth(3);
55 series3->setPen(yellow);
56 series3->setPen(yellow);
56 series3->setBrush(Qt::yellow);
57 series3->setBrush(Qt::yellow);
57 //![1]
58 //![1]
58
59
59 //![2]
60 //![2]
60 int numPoints = 10;
61 int numPoints = 10;
61
62
62 for (int x = 0; x <= numPoints; ++x) {
63 for (int x = 0; x <= numPoints; ++x) {
63 qreal y = qrand() % 100;
64 qreal y = qrand() % 100;
64 series0->append(x,y);
65 series0->append(x,y);
65 series1->append(x,y);
66 series1->append(x,y);
66 series2->append(x,y);
67 series2->append(x,y);
67 }
68 }
68 //![2]
69 //![2]
69
70
70 //![3]
71 //![3]
71 m_series<<series0;
72 m_series<<series0;
72 m_titles<< m_chart->title()+": LineChart";
73 m_titles<< m_chart->title()+": LineChart";
73 m_series<<series1;
74 m_series<<series1;
74 m_titles<< m_chart->title()+": ScatterChart";
75 m_titles<< m_chart->title()+": ScatterChart";
75 m_series<<series2;
76 m_series<<series2;
76 m_titles<< m_chart->title()+": SplineChart";
77 m_titles<< m_chart->title()+": SplineChart";
77 m_series<<series3;
78 m_series<<series3;
78 m_titles<< m_chart->title()+": AreaChart";
79 m_titles<< m_chart->title()+": AreaChart";
79 //![3]
80 //![3]
80
81
81 //![4]
82 foreach (QAbstractSeries* series, m_series) {
83 QObject::connect(series,SIGNAL(clicked(QPointF)),this,SLOT(handlePointClicked(QPointF)));
84 }
85 //![4]
86 m_timer.start();
82 m_timer.start();
87 handleTimeout();
83 handleTimeout();
88 }
84 }
89
85
90 ChartView::~ChartView()
86 ChartView::~ChartView()
91 {
87 {
92 if(m_series.size()==0) return;
88 if(m_series.size()==0) return;
93 m_chart->removeSeries(m_series.at(m_index));
89 m_chart->removeSeries(m_series.at(m_index));
94 m_series.removeLast(); //remove QAreaSeries instance since they will be deleted when QLineSeries instance is gone
90 m_series.removeLast(); //remove QAreaSeries instance since they will be deleted when QLineSeries instance is gone
95 qDeleteAll(m_series);
91 qDeleteAll(m_series);
96 }
92 }
97
93
98 //![5]
94 //![4]
99 void ChartView::handleTimeout()
95 void ChartView::handleTimeout()
100 {
96 {
101 if(m_series.size()==0) return;
97 if(m_series.size()==0) return;
102 if(m_index>=0)
98 if(m_index>=0)
103 m_chart->removeSeries(m_series.at(m_index));
99 m_chart->removeSeries(m_series.at(m_index));
104 m_index++;
100 m_index++;
105 m_index=m_index%m_series.size();
101 m_index=m_index%m_series.size();
106 m_chart->addSeries(m_series.at(m_index));
102 m_chart->addSeries(m_series.at(m_index));
107 m_chart->setTitle(m_titles.at(m_index));
103 m_chart->setTitle(m_titles.at(m_index));
108 }
104 }
109 //![5]
105 //![4]
110
111 //![6]
112 void ChartView::handlePointClicked(const QPointF& point)
113 {
114 m_chart->setTitle(m_titles.at(m_index) + QString(" x: %1 y: %2").arg(point.x()).arg(point.y()));
115 }
116 //![6]
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@@ -1,50 +1,49
1 /****************************************************************************
1 /****************************************************************************
2 **
2 **
3 ** Copyright (C) 2012 Digia Plc
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
8 **
9 ** $QT_BEGIN_LICENSE$
9 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
13 ** a written agreement between you and Digia.
14 **
14 **
15 ** If you have questions regarding the use of this file, please use
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
17 ** $QT_END_LICENSE$
18 **
18 **
19 ****************************************************************************/
19 ****************************************************************************/
20
20
21 #ifndef CHARTVIEW_H_
21 #ifndef CHARTVIEW_H_
22 #define CHARTVIEW_H_
22 #define CHARTVIEW_H_
23
23
24 #include <QChartView>
24 #include <QChartView>
25 #include <QTimer>
25 #include <QTimer>
26
26
27 QTCOMMERCIALCHART_USE_NAMESPACE
27 QTCOMMERCIALCHART_USE_NAMESPACE
28
28
29 //![1]
29 //![1]
30 class ChartView: public QChartView
30 class ChartView: public QChartView
31 {
31 {
32 Q_OBJECT
32 Q_OBJECT
33 public:
33 public:
34 ChartView(QChart* chart,QWidget* parent = 0);
34 ChartView(QChart* chart,QWidget* parent = 0);
35 virtual ~ChartView();
35 virtual ~ChartView();
36
36
37 public slots:
37 public slots:
38 void handleTimeout();
38 void handleTimeout();
39 void handlePointClicked(const QPointF& point);
40
39
41 private:
40 private:
42 QTimer m_timer;
41 QTimer m_timer;
43 QList<QAbstractSeries *> m_series;
42 QList<QAbstractSeries *> m_series;
44 QStringList m_titles;
43 QStringList m_titles;
45 int m_index;
44 int m_index;
46 QChart *m_chart;
45 QChart *m_chart;
47 };
46 };
48 //![1]
47 //![1]
49
48
50 #endif /* CHARTVIEW_H_ */
49 #endif /* CHARTVIEW_H_ */
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@@ -1,39 +1,39
1 /****************************************************************************
1 /****************************************************************************
2 **
2 **
3 ** Copyright (C) 2012 Digia Plc
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
8 **
9 ** $QT_BEGIN_LICENSE$
9 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
13 ** a written agreement between you and Digia.
14 **
14 **
15 ** If you have questions regarding the use of this file, please use
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
17 ** $QT_END_LICENSE$
18 **
18 **
19 ****************************************************************************/
19 ****************************************************************************/
20
20
21 #include "chartview.h"
21 #include "chartview.h"
22 #include <QApplication>
22 #include <QApplication>
23 #include <QMainWindow>
23 #include <QMainWindow>
24
24
25 int main(int argc, char *argv[])
25 int main(int argc, char *argv[])
26 {
26 {
27 QApplication a(argc, argv);
27 QApplication a(argc, argv);
28 QMainWindow window;
28 QMainWindow window;
29 QChart* chart = new QChart();
29 QChart* chart = new QChart();
30 chart->axisX()->setNiceNumbersEnabled(true);
30 chart->axisX()->setNiceNumbersEnabled(true);
31 chart->axisY()->setNiceNumbersEnabled(true);
31 chart->axisY()->setNiceNumbersEnabled(true);
32 ChartView chartView(chart,&window);
32 ChartView chartView(chart,&window);
33 chartView.setRenderHint(QPainter::Antialiasing);
33 chartView.setRenderHint(QPainter::Antialiasing);
34 chart->setAnimationOptions(QChart::AllAnimations);
34 chart->setAnimationOptions(QChart::SeriesAnimations);
35 window.setCentralWidget(&chartView);
35 window.setCentralWidget(&chartView);
36 window.resize(400, 300);
36 window.resize(400, 300);
37 window.show();
37 window.show();
38 return a.exec();
38 return a.exec();
39 }
39 }
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@@ -1,82 +1,40
1 /****************************************************************************
1 /****************************************************************************
2 **
2 **
3 ** Copyright (C) 2012 Digia Plc
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
8 **
9 ** $QT_BEGIN_LICENSE$
9 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
13 ** a written agreement between you and Digia.
14 **
14 **
15 ** If you have questions regarding the use of this file, please use
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
17 ** $QT_END_LICENSE$
18 **
18 **
19 ****************************************************************************/
19 ****************************************************************************/
20
20
21 #include <QtGui/QApplication>
21 #include <QtGui/QApplication>
22 #include <QMainWindow>
22 #include <QMainWindow>
23 #include <QChartView>
23 #include "chartview.h"
24 #include <QScatterSeries>
25
24
26 QTCOMMERCIALCHART_USE_NAMESPACE
25 QTCOMMERCIALCHART_USE_NAMESPACE
27
26
28 int main(int argc, char *argv[])
27 int main(int argc, char *argv[])
29 {
28 {
30 QApplication a(argc, argv);
29 QApplication a(argc, argv);
31
30
32 //![1]
33 QPen pen(Qt::black);
34 pen.setWidth(2);
35 QBrush blue(Qt::blue);
36 QBrush red(Qt::red);
37
38 QScatterSeries *series0 = new QScatterSeries();
39 series0->setPen(pen);
40 series0->setBrush(blue);
41 series0->setShape(QScatterSeries::MarkerShapeCircle);
42 series0->setSize(15.0);
43
44 QScatterSeries *series1 = new QScatterSeries();
45 series1->setPen(pen);
46 series1->setBrush(red);
47 series1->setShape(QScatterSeries::MarkerShapeCircle);
48 series1->setSize(15.0);
49 //![1]
50
51 //![2]
52 series0->append(0, 6);
53 series0->append(2, 4);
54 series0->append(3, 8);
55 series0->append(7, 4);
56 series0->append(10, 5);
57
58 *series1 << QPointF(1, 1) << QPointF(3, 3) << QPointF(7, 6) << QPointF(8, 3) << QPointF(10, 2);
59 //![2]
60
61 //![3]
62 QChart* chart = new QChart();
63
64 chart->addSeries(series0);
65 chart->addSeries(series1);
66 chart->setTitle("Simple scatterchart example");
67 //![3]
68
69 //![4]
70 QChartView* chartView = new QChartView(chart);
71 chartView->setRenderHint(QPainter::Antialiasing);
72 //![4]
31 //![4]
73
32 ChartView* chartView = new ChartView();
74 //![5]
75 QMainWindow window;
33 QMainWindow window;
76 window.setCentralWidget(chartView);
34 window.setCentralWidget(chartView);
77 window.resize(400, 300);
35 window.resize(400, 300);
78 window.show();
36 window.show();
79 //![5]
37 //![4]
80
38
81 return a.exec();
39 return a.exec();
82 }
40 }
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@@ -1,5 +1,9
1 !include( ../examples.pri ) {
1 !include( ../examples.pri ) {
2 error( "Couldn't find the examples.pri file!" )
2 error( "Couldn't find the examples.pri file!" )
3 }
3 }
4 TARGET = scatterchart
4 TARGET = scatterchart
5 SOURCES += main.cpp
5 SOURCES += main.cpp \
6 chartview.cpp
7
8 HEADERS += \
9 chartview.h
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