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Area chart of theme example to use zero lower series
Tero Ahola -
r539:d81325ed2c25
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1 #include <QtGui/QApplication>
1 #include <QtGui/QApplication>
2 #include <QMainWindow>
2 #include <QMainWindow>
3 #include <qchartglobal.h>
3 #include <qchartglobal.h>
4 #include <qchartview.h>
4 #include <qchartview.h>
5 #include <qpieseries.h>
5 #include <qpieseries.h>
6 #include <qpieslice.h>
6 #include <qpieslice.h>
7 #include <qpercentbarseries.h>
7 #include <qpercentbarseries.h>
8 #include <qbarset.h>
8 #include <qbarset.h>
9 #include <QGridLayout>
9 #include <QGridLayout>
10 #include <QFormLayout>
10 #include <QFormLayout>
11 #include <QComboBox>
11 #include <QComboBox>
12 #include <QSpinBox>
12 #include <QSpinBox>
13 #include <QCheckBox>
13 #include <QCheckBox>
14 #include <QGroupBox>
14 #include <QGroupBox>
15 #include <QLabel>
15 #include <QLabel>
16 #include <QTime>
16 #include <QTime>
17 #include <qlineseries.h>
17 #include <qlineseries.h>
18 #include <qsplineseries.h>
18 #include <qsplineseries.h>
19 #include <qscatterseries.h>
19 #include <qscatterseries.h>
20 #include <qareaseries.h>
20 #include <qareaseries.h>
21
21
22 QTCOMMERCIALCHART_USE_NAMESPACE
22 QTCOMMERCIALCHART_USE_NAMESPACE
23
23
24 typedef QPair<QPointF, QString> Data;
24 typedef QPair<QPointF, QString> Data;
25 typedef QList<Data> DataList;
25 typedef QList<Data> DataList;
26 typedef QList<DataList> DataTable;
26 typedef QList<DataList> DataTable;
27
27
28
28
29 class MainWidget : public QWidget
29 class MainWidget : public QWidget
30 {
30 {
31 Q_OBJECT
31 Q_OBJECT
32
32
33 public:
33 public:
34 explicit MainWidget(QWidget* parent = 0)
34 explicit MainWidget(QWidget* parent = 0)
35 :QWidget(parent)
35 :QWidget(parent)
36 {
36 {
37 // set seed for random stuff
37 // set seed for random stuff
38 qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
38 qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
39
39
40 // generate random data
40 // generate random data
41 int listCount = 3;
41 int listCount = 3;
42 int valueMax = 100;
42 int valueMax = 100;
43 int valueCount = 21;
43 int valueCount = 21;
44 for (int i(0); i < listCount; i++) {
44 for (int i(0); i < listCount; i++) {
45 DataList dataList;
45 DataList dataList;
46 for (int j(0); j < valueCount; j++) {
46 for (int j(0); j < valueCount; j++) {
47 QPointF value(j + (qreal) rand() / (qreal) RAND_MAX, qrand() % valueMax);
47 QPointF value(j + (qreal) rand() / (qreal) RAND_MAX, qrand() % valueMax);
48 QString label = QString::number(i) + ":" + QString::number(j);
48 QString label = QString::number(i) + ":" + QString::number(j);
49 dataList << Data(value, label);
49 dataList << Data(value, label);
50 }
50 }
51 m_dataTable << dataList;
51 m_dataTable << dataList;
52 }
52 }
53
53
54 // create layout
54 // create layout
55 QGridLayout* baseLayout = new QGridLayout();
55 QGridLayout* baseLayout = new QGridLayout();
56
56
57 // theme combo
57 // theme combo
58 m_themeComboBox = new QComboBox();
58 m_themeComboBox = new QComboBox();
59 m_themeComboBox->addItem("Default", QChart::ChartThemeDefault);
59 m_themeComboBox->addItem("Default", QChart::ChartThemeDefault);
60 m_themeComboBox->addItem("Vanilla", QChart::ChartThemeVanilla);
60 m_themeComboBox->addItem("Vanilla", QChart::ChartThemeVanilla);
61 m_themeComboBox->addItem("Icy", QChart::ChartThemeIcy);
61 m_themeComboBox->addItem("Icy", QChart::ChartThemeIcy);
62 m_themeComboBox->addItem("Grayscale", QChart::ChartThemeGrayscale);
62 m_themeComboBox->addItem("Grayscale", QChart::ChartThemeGrayscale);
63 m_themeComboBox->addItem("Scientific", QChart::ChartThemeScientific);
63 m_themeComboBox->addItem("Scientific", QChart::ChartThemeScientific);
64 connect(m_themeComboBox, SIGNAL(currentIndexChanged(int)), this ,SLOT(updateTheme()));
64 connect(m_themeComboBox, SIGNAL(currentIndexChanged(int)), this ,SLOT(updateTheme()));
65 baseLayout->addWidget(new QLabel("Theme:"), 0, 0);
65 baseLayout->addWidget(new QLabel("Theme:"), 0, 0);
66 baseLayout->addWidget(m_themeComboBox, 0, 1);
66 baseLayout->addWidget(m_themeComboBox, 0, 1);
67
67
68 // area chart
68 // area chart
69 QChartView *chart = new QChartView();
69 QChartView *chart = new QChartView();
70 chart->setChartTitle("Area chart");
70 chart->setChartTitle("Area chart");
71 chart->setRenderHint(QPainter::Antialiasing);
71 chart->setRenderHint(QPainter::Antialiasing);
72 baseLayout->addWidget(chart, 1, 0);
72 baseLayout->addWidget(chart, 1, 0);
73 {
73 {
74 for (int i(0); i < m_dataTable.count(); i++) {
74 QLineSeries *series1 = new QLineSeries(chart);
75 QLineSeries *series1 = new QLineSeries(chart);
75 foreach (Data data, m_dataTable.first())
76 series1->add(data.first);
77 QLineSeries *series2 = new QLineSeries(chart);
76 QLineSeries *series2 = new QLineSeries(chart);
78 foreach (Data data, m_dataTable.last())
77 foreach (Data data, m_dataTable[i]) {
79 series2->add(data.first);
78 series1->add(data.first);
80 QAreaSeries *series = new QAreaSeries(series1, series2);
79 series2->add(QPointF(data.first.x(), 0.0));
81 chart->addSeries(series);
80 }
81 QAreaSeries *area = new QAreaSeries(series1, series2);
82 chart->addSeries(area);
83 }
82 }
84 }
83 m_charts << chart;
85 m_charts << chart;
84
86
85 // bar chart
87 // bar chart
86 chart = new QChartView();
88 chart = new QChartView();
87 chart->setChartTitle("bar chart");
89 chart->setChartTitle("bar chart");
88 chart->setRenderHint(QPainter::Antialiasing);
90 chart->setRenderHint(QPainter::Antialiasing);
89 baseLayout->addWidget(chart, 1, 1);
91 baseLayout->addWidget(chart, 1, 1);
90 {
92 {
91 QStringList categories;
93 QStringList categories;
92 // TODO: categories
94 // TODO: categories
93 for (int i(0); i < valueCount; i++)
95 for (int i(0); i < valueCount; i++)
94 categories << QString::number(i);
96 categories << QString::number(i);
95 QPercentBarSeries* series = new QPercentBarSeries(categories, chart);
97 QPercentBarSeries* series = new QPercentBarSeries(categories, chart);
96 for (int i(0); i < m_dataTable.count(); i++) {
98 for (int i(0); i < m_dataTable.count(); i++) {
97 QBarSet *set = new QBarSet("Set" + QString::number(i));
99 QBarSet *set = new QBarSet("Set" + QString::number(i));
98 foreach (Data data, m_dataTable[i])
100 foreach (Data data, m_dataTable[i])
99 *set << data.first.y();
101 *set << data.first.y();
100 series->addBarSet(set);
102 series->addBarSet(set);
101 }
103 }
102 chart->addSeries(series);
104 chart->addSeries(series);
103 }
105 }
104 m_charts << chart;
106 m_charts << chart;
105
107
106 // line chart
108 // line chart
107 chart = new QChartView();
109 chart = new QChartView();
108 chart->setChartTitle("line chart");
110 chart->setChartTitle("line chart");
109 chart->setRenderHint(QPainter::Antialiasing);
111 chart->setRenderHint(QPainter::Antialiasing);
110 baseLayout->addWidget(chart, 1, 2);
112 baseLayout->addWidget(chart, 1, 2);
111 foreach (DataList list, m_dataTable) {
113 foreach (DataList list, m_dataTable) {
112 QLineSeries *series = new QLineSeries(chart);
114 QLineSeries *series = new QLineSeries(chart);
113 foreach (Data data, list)
115 foreach (Data data, list)
114 series->add(data.first);
116 series->add(data.first);
115 chart->addSeries(series);
117 chart->addSeries(series);
116 }
118 }
117 m_charts << chart;
119 m_charts << chart;
118
120
119 // pie chart
121 // pie chart
120 chart = new QChartView();
122 chart = new QChartView();
121 chart->setChartTitle("pie chart");
123 chart->setChartTitle("pie chart");
122 chart->setRenderHint(QPainter::Antialiasing);
124 chart->setRenderHint(QPainter::Antialiasing);
123 baseLayout->addWidget(chart, 2, 0);
125 baseLayout->addWidget(chart, 2, 0);
124
126
125 qreal pieSize = 1.0 / m_dataTable.count();
127 qreal pieSize = 1.0 / m_dataTable.count();
126 for (int i=0; i<m_dataTable.count(); i++) {
128 for (int i=0; i<m_dataTable.count(); i++) {
127 QPieSeries *series = new QPieSeries(chart);
129 QPieSeries *series = new QPieSeries(chart);
128 foreach (Data data, m_dataTable[i])
130 foreach (Data data, m_dataTable[i])
129 series->add(data.first.y(), data.second);
131 series->add(data.first.y(), data.second);
130 qreal hPos = (pieSize / 2) + (i / (qreal) m_dataTable.count());
132 qreal hPos = (pieSize / 2) + (i / (qreal) m_dataTable.count());
131 series->setPieSize(pieSize);
133 series->setPieSize(pieSize);
132 series->setPiePosition(hPos, 0.5);
134 series->setPiePosition(hPos, 0.5);
133 chart->addSeries(series);
135 chart->addSeries(series);
134 }
136 }
135 m_charts << chart;
137 m_charts << chart;
136
138
137 // spine chart
139 // spine chart
138 chart = new QChartView();
140 chart = new QChartView();
139 chart->setChartTitle("spline chart");
141 chart->setChartTitle("spline chart");
140 chart->setRenderHint(QPainter::Antialiasing);
142 chart->setRenderHint(QPainter::Antialiasing);
141 baseLayout->addWidget(chart, 2, 1);
143 baseLayout->addWidget(chart, 2, 1);
142 foreach (DataList list, m_dataTable) {
144 foreach (DataList list, m_dataTable) {
143 QSplineSeries *series = new QSplineSeries(chart);
145 QSplineSeries *series = new QSplineSeries(chart);
144 foreach (Data data, list)
146 foreach (Data data, list)
145 series->add(data.first);
147 series->add(data.first);
146 chart->addSeries(series);
148 chart->addSeries(series);
147 }
149 }
148 m_charts << chart;
150 m_charts << chart;
149
151
150 // scatter chart
152 // scatter chart
151 chart = new QChartView();
153 chart = new QChartView();
152 chart->setChartTitle("scatter chart");
154 chart->setChartTitle("scatter chart");
153 chart->setRenderHint(QPainter::Antialiasing);
155 chart->setRenderHint(QPainter::Antialiasing);
154 baseLayout->addWidget(chart, 2, 2);
156 baseLayout->addWidget(chart, 2, 2);
155 foreach (DataList list, m_dataTable) {
157 foreach (DataList list, m_dataTable) {
156 QScatterSeries *series = new QScatterSeries(chart);
158 QScatterSeries *series = new QScatterSeries(chart);
157 foreach (Data data, list)
159 foreach (Data data, list)
158 series->add(data.first);
160 series->add(data.first);
159 chart->addSeries(series);
161 chart->addSeries(series);
160 }
162 }
161 m_charts << chart;
163 m_charts << chart;
162
164
163 setLayout(baseLayout);
165 setLayout(baseLayout);
164 }
166 }
165
167
166 public Q_SLOTS:
168 public Q_SLOTS:
167
169
168 void updateTheme()
170 void updateTheme()
169 {
171 {
170 QChart::ChartTheme theme = (QChart::ChartTheme) m_themeComboBox->itemData(m_themeComboBox->currentIndex()).toInt();
172 QChart::ChartTheme theme = (QChart::ChartTheme) m_themeComboBox->itemData(m_themeComboBox->currentIndex()).toInt();
171 foreach (QChartView *chart, m_charts)
173 foreach (QChartView *chart, m_charts)
172 chart->setChartTheme(theme);
174 chart->setChartTheme(theme);
173 }
175 }
174
176
175 private:
177 private:
176 QList<QChartView*> m_charts;
178 QList<QChartView*> m_charts;
177 QComboBox *m_themeComboBox;
179 QComboBox *m_themeComboBox;
178 DataTable m_dataTable;
180 DataTable m_dataTable;
179 };
181 };
180
182
181 int main(int argc, char *argv[])
183 int main(int argc, char *argv[])
182 {
184 {
183 QApplication a(argc, argv);
185 QApplication a(argc, argv);
184
186
185 QMainWindow window;
187 QMainWindow window;
186
188
187 MainWidget* widget = new MainWidget();
189 MainWidget* widget = new MainWidget();
188
190
189 window.setCentralWidget(widget);
191 window.setCentralWidget(widget);
190 window.resize(900, 600);
192 window.resize(900, 600);
191 window.show();
193 window.show();
192
194
193 return a.exec();
195 return a.exec();
194 }
196 }
195
197
196 #include "main.moc"
198 #include "main.moc"
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