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Updates chartstheme demo, small refactor
Michal Klocek -
r748:1f61fde36f63
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1 /****************************************************************************
2 **
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
9 ** $QT_BEGIN_LICENSE:BSD$
10 ** You may use this file under the terms of the BSD license as follows:
11 **
12 ** "Redistribution and use in source and binary forms, with or without
13 ** modification, are permitted provided that the following conditions are
14 ** met:
15 ** * Redistributions of source code must retain the above copyright
16 ** notice, this list of conditions and the following disclaimer.
17 ** * Redistributions in binary form must reproduce the above copyright
18 ** notice, this list of conditions and the following disclaimer in
19 ** the documentation and/or other materials provided with the
20 ** distribution.
21 ** * Neither the name of Digia nor the names of its contributors
22 ** may be used to endorse or promote products derived from this
23 ** software without specific prior written permission.
24 **
25 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
36 ** $QT_END_LICENSE$
37 **
38 ** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
39 **
40 ****************************************************************************/
41
42 #include "themewidget.h"
43
44 #include <QChartView>
45 #include <QPieSeries>
46 #include <QPieSlice>
47 #include <QBarSeries>
48 #include <QPercentBarSeries>
49 #include <QStackedBarSeries>
50 #include <QBarSet>
51 #include <QLineSeries>
52 #include <QSplineSeries>
53 #include <QScatterSeries>
54 #include <QAreaSeries>
55 #include <QGridLayout>
56 #include <QFormLayout>
57 #include <QComboBox>
58 #include <QSpinBox>
59 #include <QCheckBox>
60 #include <QGroupBox>
61 #include <QLabel>
62 #include <QTime>
63
64 ThemeWidget::ThemeWidget(QWidget* parent) :
65 QWidget(parent),
66 m_listCount(3),
67 m_valueMax(100),
68 m_valueCount(11),
69 m_dataTable(generateRandomData(m_listCount,m_valueMax,m_valueCount)),
70 m_themeComboBox(createThemeBox()),
71 m_antialiasCheckBox(new QCheckBox("Anti aliasing")),
72 m_animatedComboBox(createAnimationBox())
73 {
74
75 connectSignals();
76 // create layout
77 QGridLayout* baseLayout = new QGridLayout();
78 QHBoxLayout *settingsLayout = new QHBoxLayout();
79 settingsLayout->addWidget(new QLabel("Theme:"));
80 settingsLayout->addWidget(m_themeComboBox);
81 settingsLayout->addWidget(new QLabel("Animation:"));
82 settingsLayout->addWidget(m_animatedComboBox);
83 settingsLayout->addWidget(m_antialiasCheckBox);
84 settingsLayout->addStretch();
85 baseLayout->addLayout(settingsLayout, 0, 0, 1, 3);
86
87 //create charts
88
89 QChartView *chartView;
90
91 chartView = new QChartView(createAreaChart());
92 baseLayout->addWidget(chartView, 1, 0);
93 m_charts << chartView;
94
95 chartView = new QChartView(createBarChart(m_valueCount));
96 baseLayout->addWidget(chartView, 1, 1);
97 m_charts << chartView;
98
99 chartView = new QChartView(createLineChart());
100 baseLayout->addWidget(chartView, 1, 2);
101 m_charts << chartView;
102
103 chartView = new QChartView(createPieChart());
104 chartView->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored); // funny things happen if the pie slice labels no not fit the screen...
105 baseLayout->addWidget(chartView, 2, 0);
106 m_charts << chartView;
107
108 chartView = new QChartView(createSplineChart());
109 baseLayout->addWidget(chartView, 2, 1);
110 m_charts << chartView;
111
112 chartView = new QChartView(createSplineChart());
113 baseLayout->addWidget(chartView, 2, 2);
114 m_charts << chartView;
115
116 setLayout(baseLayout);
117 }
118
119 ThemeWidget::~ThemeWidget()
120 {
121 }
122
123 void ThemeWidget::connectSignals()
124 {
125 connect(m_themeComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
126 connect(m_antialiasCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI()));
127 connect(m_animatedComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
128 }
129
130 DataTable ThemeWidget::generateRandomData(int listCount,int valueMax,int valueCount) const
131 {
132 DataTable dataTable;
133
134 // set seed for random stuff
135 qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime()));
136
137 // generate random data
138 for (int i(0); i < listCount; i++) {
139 DataList dataList;
140 for (int j(0); j < valueCount; j++) {
141 QPointF value(j + (qreal) rand() / (qreal) RAND_MAX, qrand() % valueMax);
142 QString label = "Item " + QString::number(i) + ":" + QString::number(j);
143 dataList << Data(value, label);
144 }
145 dataTable << dataList;
146 }
147
148 return dataTable;
149 }
150
151 QComboBox* ThemeWidget::createThemeBox() const
152 {
153 // settings layout
154 QComboBox* themeComboBox = new QComboBox();
155 themeComboBox->addItem("Default", QChart::ChartThemeDefault);
156 themeComboBox->addItem("Light", QChart::ChartThemeLight);
157 themeComboBox->addItem("Blue Cerulean", QChart::ChartThemeBlueCerulean);
158 themeComboBox->addItem("Dark", QChart::ChartThemeDark);
159 themeComboBox->addItem("Brown Sand", QChart::ChartThemeBrownSand);
160 themeComboBox->addItem("Blue NCS", QChart::ChartThemeBlueNcs);
161 themeComboBox->addItem("Icy", QChart::ChartThemeIcy);
162 themeComboBox->addItem("Scientific", QChart::ChartThemeScientific);
163 return themeComboBox;
164 }
165
166 QComboBox* ThemeWidget::createAnimationBox() const
167 {
168 // settings layout
169 QComboBox* animationComboBox = new QComboBox();
170 animationComboBox->addItem("No Animations", QChart::NoAnimation);
171 animationComboBox->addItem("GridAxis Animations", QChart::GridAxisAnimations);
172 animationComboBox->addItem("Series Animations", QChart::SeriesAnimations);
173 animationComboBox->addItem("All Animations", QChart::AllAnimations);
174 return animationComboBox;
175 }
176
177 QChart* ThemeWidget::createAreaChart() const
178 {
179 // area chart
180 QChart *chart = new QChart();
181 chart->setTitle("Area chart");
182 {
183 for (int i(0); i < m_dataTable.count(); i++) {
184 QLineSeries *series1 = new QLineSeries(chart);
185 QLineSeries *series2 = new QLineSeries(chart);
186 foreach (Data data, m_dataTable[i]) {
187 series1->add(data.first);
188 series2->add(QPointF(data.first.x(), 0.0));
189 }
190 QAreaSeries *area = new QAreaSeries(series1, series2);
191 chart->addSeries(area);
192 }
193 }
194 return chart;
195 }
196
197 QChart* ThemeWidget::createBarChart(int valueCount) const
198 {
199 // bar chart
200 QChart* chart = new QChart();
201 chart->setTitle("Bar chart");
202 {
203 QBarCategories categories;
204 // TODO: categories
205 for (int i(0); i < valueCount; i++)
206 categories << QString::number(i);
207 // QBarSeries* series = new QBarSeries(categories, chart);
208 // QPercentBarSeries* series = new QPercentBarSeries(categories, chart);
209 QStackedBarSeries* series = new QStackedBarSeries(categories, chart);
210 for (int i(0); i < m_dataTable.count(); i++) {
211 QBarSet *set = new QBarSet("Set" + QString::number(i));
212 foreach (Data data, m_dataTable[i])
213 *set << data.first.y();
214 series->addBarSet(set);
215 }
216 chart->addSeries(series);
217 }
218 return chart;
219 }
220
221 QChart* ThemeWidget::createLineChart() const
222 {
223 // line chart
224 QChart* chart = new QChart();
225 chart->setTitle("Line chart");
226 foreach (DataList list, m_dataTable) {
227 QLineSeries *series = new QLineSeries(chart);
228 foreach (Data data, list)
229 series->add(data.first);
230 chart->addSeries(series);
231 }
232 return chart;
233 }
234
235 QChart* ThemeWidget::createPieChart() const
236 {
237 // pie chart
238 QChart* chart = new QChart();
239 chart->setTitle("Pie chart");
240 qreal pieSize = 1.0 / m_dataTable.count();
241 for (int i = 0; i < m_dataTable.count(); i++) {
242 QPieSeries *series = new QPieSeries(chart);
243 foreach (Data data, m_dataTable[i]) {
244 QPieSlice *slice = series->add(data.first.y(), data.second);
245 if (data == m_dataTable[i].first()) {
246 slice->setLabelVisible();
247 slice->setExploded();
248 }
249 }
250 qreal hPos = (pieSize / 2) + (i / (qreal) m_dataTable.count());
251 series->setPieSize(pieSize);
252 series->setPiePosition(hPos, 0.5);
253 chart->addSeries(series);
254 }
255
256 return chart;
257 }
258
259 QChart* ThemeWidget::createSplineChart() const
260 { // spine chart
261 QChart* chart = new QChart();
262 chart->setTitle("Spline chart");
263 foreach (DataList list, m_dataTable) {
264 QSplineSeries *series = new QSplineSeries(chart);
265 foreach (Data data, list)
266 series->add(data.first);
267 chart->addSeries(series);
268 }
269 return chart;
270 }
271
272 QChart* ThemeWidget::createScatterChart() const
273 { // scatter chart
274 QChart* chart = new QChart();
275 chart->setTitle("Scatter chart");
276 foreach (DataList list, m_dataTable) {
277 QScatterSeries *series = new QScatterSeries(chart);
278 foreach (Data data, list)
279 series->add(data.first);
280 chart->addSeries(series);
281 }
282 return chart;
283 }
284
285 void ThemeWidget::updateUI()
286 {
287 QChart::ChartTheme theme = (QChart::ChartTheme) m_themeComboBox->itemData(m_themeComboBox->currentIndex()).toInt();
288
289 if (m_charts.at(0)->chart()->theme() != theme) {
290 foreach (QChartView *chartView, m_charts)
291 chartView->chart()->setTheme(theme);
292
293 QPalette pal = window()->palette();
294 if (theme == QChart::ChartThemeLight) {
295 pal.setColor(QPalette::Window, QRgb(0xf0f0f0));
296 pal.setColor(QPalette::WindowText, QRgb(0x404044));
297 }
298 else if (theme == QChart::ChartThemeDark) {
299 pal.setColor(QPalette::Window, QRgb(0x121218));
300 pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6));
301 }
302 else if (theme == QChart::ChartThemeBlueCerulean) {
303 pal.setColor(QPalette::Window, QRgb(0x40434a));
304 pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6));
305 }
306 else if (theme == QChart::ChartThemeBrownSand) {
307 pal.setColor(QPalette::Window, QRgb(0x9e8965));
308 pal.setColor(QPalette::WindowText, QRgb(0x404044));
309 }
310 else if (theme == QChart::ChartThemeBlueNcs) {
311 pal.setColor(QPalette::Window, QRgb(0x018bba));
312 pal.setColor(QPalette::WindowText, QRgb(0x404044));
313 }
314 else {
315 pal.setColor(QPalette::Window, QRgb(0xf0f0f0));
316 pal.setColor(QPalette::WindowText, QRgb(0x404044));
317 }
318 window()->setPalette(pal);
319 }
320
321 bool checked = m_antialiasCheckBox->isChecked();
322 foreach (QChartView *chart, m_charts)
323 chart->setRenderHint(QPainter::Antialiasing, checked);
324
325 QChart::AnimationOptions options(m_animatedComboBox->itemData(m_animatedComboBox->currentIndex()).toInt());
326 if (m_charts.at(0)->chart()->animationOptions() != options) {
327 foreach (QChartView *chartView, m_charts)
328 chartView->chart()->setAnimationOptions(options);
329 }
330 }
331
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1 /****************************************************************************
2 **
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
9 ** $QT_BEGIN_LICENSE:BSD$
10 ** You may use this file under the terms of the BSD license as follows:
11 **
12 ** "Redistribution and use in source and binary forms, with or without
13 ** modification, are permitted provided that the following conditions are
14 ** met:
15 ** * Redistributions of source code must retain the above copyright
16 ** notice, this list of conditions and the following disclaimer.
17 ** * Redistributions in binary form must reproduce the above copyright
18 ** notice, this list of conditions and the following disclaimer in
19 ** the documentation and/or other materials provided with the
20 ** distribution.
21 ** * Neither the name of Digia nor the names of its contributors
22 ** may be used to endorse or promote products derived from this
23 ** software without specific prior written permission.
24 **
25 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
36 ** $QT_END_LICENSE$
37 **
38 ** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
39 **
40 ****************************************************************************/
41
42 #ifndef THEMEWINDOW_H_
43 #define THEMEWINDOW_H_
44 #include <QWidget>
45 #include <QChartGlobal>
46
47 class QComboBox;
48 class QCheckBox;
49
50 QTCOMMERCIALCHART_BEGIN_NAMESPACE
51 class QChartView;
52 class QChart;
53 QTCOMMERCIALCHART_END_NAMESPACE
54
55 typedef QPair<QPointF, QString> Data;
56 typedef QList<Data> DataList;
57 typedef QList<DataList> DataTable;
58
59 QTCOMMERCIALCHART_USE_NAMESPACE
60
61 class ThemeWidget: public QWidget
62 {
63 Q_OBJECT
64 public:
65 explicit ThemeWidget(QWidget *parent = 0);
66 ~ThemeWidget();
67
68 public slots:
69 void updateUI();
70
71 private:
72 DataTable generateRandomData(int listCount,int valueMax,int valueCount) const;
73 QComboBox* createThemeBox() const;
74 QComboBox* createAnimationBox() const;
75 void connectSignals();
76 QChart* createAreaChart() const;
77 QChart* createBarChart(int valueCount) const;
78 QChart* createPieChart() const;
79 QChart* createLineChart() const;
80 QChart* createSplineChart() const;
81 QChart* createScatterChart() const;
82
83 private:
84 int m_listCount;
85 int m_valueMax;
86 int m_valueCount;
87 QList<QChartView*> m_charts;
88 DataTable m_dataTable;
89
90 QComboBox *m_themeComboBox;
91 QCheckBox *m_antialiasCheckBox;
92 QComboBox *m_animatedComboBox;
93 };
94
95 #endif /* THEMEWINDOW_H_ */
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@@ -1,7 +1,4
1 !include( ../demos.pri ) {
2 error( "Couldn't find the examples.pri file!" )
3 }
1 !include( ../demos.pri ):error( "Couldn't find the demos.pri file!" )
4 2 TARGET = chartthemes
5 SOURCES += main.cpp
6
7
3 SOURCES = main.cpp themewidget.cpp
4 HEADERS = themewidget.h
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@@ -1,250 +1,56
1 #include <QtGui/QApplication>
1 /****************************************************************************
2 **
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
9 ** $QT_BEGIN_LICENSE:BSD$
10 ** You may use this file under the terms of the BSD license as follows:
11 **
12 ** "Redistribution and use in source and binary forms, with or without
13 ** modification, are permitted provided that the following conditions are
14 ** met:
15 ** * Redistributions of source code must retain the above copyright
16 ** notice, this list of conditions and the following disclaimer.
17 ** * Redistributions in binary form must reproduce the above copyright
18 ** notice, this list of conditions and the following disclaimer in
19 ** the documentation and/or other materials provided with the
20 ** distribution.
21 ** * Neither the name of Digia nor the names of its contributors
22 ** may be used to endorse or promote products derived from this
23 ** software without specific prior written permission.
24 **
25 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
36 ** $QT_END_LICENSE$
37 **
38 ** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
39 **
40 ****************************************************************************/
41
42 #include "themewidget.h"
43 #include <QApplication>
2 44 #include <QMainWindow>
3 #include <qchartglobal.h>
4 #include <qchartview.h>
5 #include <qpieseries.h>
6 #include <qpieslice.h>
7 #include <qbarseries.h>
8 #include <qpercentbarseries.h>
9 #include <qstackedbarseries.h>
10 #include <qbarset.h>
11 #include <QGridLayout>
12 #include <QFormLayout>
13 #include <QComboBox>
14 #include <QSpinBox>
15 #include <QCheckBox>
16 #include <QGroupBox>
17 #include <QLabel>
18 #include <QTime>
19 #include <qlineseries.h>
20 #include <qsplineseries.h>
21 #include <qscatterseries.h>
22 #include <qareaseries.h>
23
24 QTCOMMERCIALCHART_USE_NAMESPACE
25
26 typedef QPair<QPointF, QString> Data;
27 typedef QList<Data> DataList;
28 typedef QList<DataList> DataTable;
29
30
31 class MainWidget : public QWidget
32 {
33 Q_OBJECT
34
35 public:
36 explicit MainWidget(QWidget* parent = 0)
37 :QWidget(parent)
38 {
39 // set seed for random stuff
40 qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
41
42 // generate random data
43 int listCount = 3;
44 int valueMax = 100;
45 int valueCount = 11;
46 for (int i(0); i < listCount; i++) {
47 DataList dataList;
48 for (int j(0); j < valueCount; j++) {
49 QPointF value(j + (qreal) rand() / (qreal) RAND_MAX, qrand() % valueMax);
50 QString label = "Item " + QString::number(i) + ":" + QString::number(j);
51 dataList << Data(value, label);
52 }
53 m_dataTable << dataList;
54 }
55
56 // create layout
57 QGridLayout* baseLayout = new QGridLayout();
58
59 // settings layout
60 m_themeComboBox = new QComboBox();
61 m_themeComboBox->addItem("Default", QChart::ChartThemeDefault);
62 m_themeComboBox->addItem("Light", QChart::ChartThemeLight);
63 m_themeComboBox->addItem("Blue Cerulean", QChart::ChartThemeBlueCerulean);
64 m_themeComboBox->addItem("Dark", QChart::ChartThemeDark);
65 m_themeComboBox->addItem("Brown Sand", QChart::ChartThemeBrownSand);
66 m_themeComboBox->addItem("Blue NCS", QChart::ChartThemeBlueNcs);
67 m_themeComboBox->addItem("Icy", QChart::ChartThemeIcy);
68 m_themeComboBox->addItem("Scientific", QChart::ChartThemeScientific);
69 connect(m_themeComboBox, SIGNAL(currentIndexChanged(int)), this ,SLOT(updateTheme()));
70 QCheckBox *antialiasCheckBox = new QCheckBox("Anti aliasing");
71 connect(antialiasCheckBox, SIGNAL(toggled(bool)), this ,SLOT(updateAntialiasing(bool)));
72 QCheckBox *animatedCheckBox = new QCheckBox("Animated");
73 connect(animatedCheckBox, SIGNAL(toggled(bool)), this ,SLOT(updateAnimations(bool)));
74 QHBoxLayout *settingsLayout = new QHBoxLayout();
75 settingsLayout->addWidget(new QLabel("Theme:"));
76 settingsLayout->addWidget(m_themeComboBox);
77 settingsLayout->addWidget(antialiasCheckBox);
78 settingsLayout->addWidget(animatedCheckBox);
79 settingsLayout->addStretch();
80 baseLayout->addLayout(settingsLayout, 0, 0, 1, 3);
81
82 // area chart
83 QChartView *chart = new QChartView();
84 chart->setChartTitle("Area chart");
85 baseLayout->addWidget(chart, 1, 0);
86 {
87 for (int i(0); i < m_dataTable.count(); i++) {
88 QLineSeries *series1 = new QLineSeries(chart);
89 QLineSeries *series2 = new QLineSeries(chart);
90 foreach (Data data, m_dataTable[i]) {
91 series1->add(data.first);
92 series2->add(QPointF(data.first.x(), 0.0));
93 }
94 QAreaSeries *area = new QAreaSeries(series1, series2);
95 chart->addSeries(area);
96 }
97 }
98 m_charts << chart;
99
100 // bar chart
101 chart = new QChartView();
102 chart->setChartTitle("Bar chart");
103 baseLayout->addWidget(chart, 1, 1);
104 {
105 QStringList categories;
106 // TODO: categories
107 for (int i(0); i < valueCount; i++)
108 categories << QString::number(i);
109 // QBarSeries* series = new QBarSeries(categories, chart);
110 // QPercentBarSeries* series = new QPercentBarSeries(categories, chart);
111 QStackedBarSeries* series = new QStackedBarSeries(categories, chart);
112 for (int i(0); i < m_dataTable.count(); i++) {
113 QBarSet *set = new QBarSet("Set" + QString::number(i));
114 foreach (Data data, m_dataTable[i])
115 *set << data.first.y();
116 series->addBarSet(set);
117 }
118 chart->addSeries(series);
119 }
120 m_charts << chart;
121
122 // line chart
123 chart = new QChartView();
124 chart->setChartTitle("Line chart");
125 baseLayout->addWidget(chart, 1, 2);
126 foreach (DataList list, m_dataTable) {
127 QLineSeries *series = new QLineSeries(chart);
128 foreach (Data data, list)
129 series->add(data.first);
130 chart->addSeries(series);
131 }
132 m_charts << chart;
133
134 // pie chart
135 chart = new QChartView();
136 chart->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored); // funny things happen if the pie slice labels no not fit the screen...
137 chart->setChartTitle("Pie chart");
138 baseLayout->addWidget(chart, 2, 0);
139 qreal pieSize = 1.0 / m_dataTable.count();
140 for (int i=0; i<m_dataTable.count(); i++) {
141 QPieSeries *series = new QPieSeries(chart);
142 foreach (Data data, m_dataTable[i]) {
143 QPieSlice *slice = series->add(data.first.y(), data.second);
144 if (data == m_dataTable[i].first()) {
145 slice->setLabelVisible();
146 slice->setExploded();
147 }
148 }
149 qreal hPos = (pieSize / 2) + (i / (qreal) m_dataTable.count());
150 series->setPieSize(pieSize);
151 series->setPiePosition(hPos, 0.5);
152 chart->addSeries(series);
153 }
154 m_charts << chart;
155
156 // spine chart
157 chart = new QChartView();
158 chart->setChartTitle("Spline chart");
159 baseLayout->addWidget(chart, 2, 1);
160 foreach (DataList list, m_dataTable) {
161 QSplineSeries *series = new QSplineSeries(chart);
162 foreach (Data data, list)
163 series->add(data.first);
164 chart->addSeries(series);
165 }
166 m_charts << chart;
167
168 // scatter chart
169 chart = new QChartView();
170 chart->setChartTitle("Scatter chart");
171 baseLayout->addWidget(chart, 2, 2);
172 foreach (DataList list, m_dataTable) {
173 QScatterSeries *series = new QScatterSeries(chart);
174 foreach (Data data, list)
175 series->add(data.first);
176 chart->addSeries(series);
177 }
178 m_charts << chart;
179
180 setLayout(baseLayout);
181 }
182
183 public Q_SLOTS:
184
185 void updateTheme()
186 {
187 QChart::ChartTheme theme = (QChart::ChartTheme) m_themeComboBox->itemData(m_themeComboBox->currentIndex()).toInt();
188 foreach (QChartView *chart, m_charts)
189 chart->setChartTheme(theme);
190
191 QPalette pal = window()->palette();
192 if (theme == QChart::ChartThemeLight) {
193 pal.setColor(QPalette::Window, QRgb(0xf0f0f0));
194 pal.setColor(QPalette::WindowText, QRgb(0x404044));
195 } else if (theme == QChart::ChartThemeDark) {
196 pal.setColor(QPalette::Window, QRgb(0x121218));
197 pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6));
198 } else if (theme == QChart::ChartThemeBlueCerulean) {
199 pal.setColor(QPalette::Window, QRgb(0x40434a));
200 pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6));
201 } else if (theme == QChart::ChartThemeBrownSand) {
202 pal.setColor(QPalette::Window, QRgb(0x9e8965));
203 pal.setColor(QPalette::WindowText, QRgb(0x404044));
204 } else if (theme == QChart::ChartThemeBlueNcs) {
205 pal.setColor(QPalette::Window, QRgb(0x018bba));
206 pal.setColor(QPalette::WindowText, QRgb(0x404044));
207 } else {
208 pal.setColor(QPalette::Window, QRgb(0xf0f0f0));
209 pal.setColor(QPalette::WindowText, QRgb(0x404044));
210 }
211 window()->setPalette(pal);
212 }
213
214 void updateAntialiasing(bool enabled)
215 {
216 foreach (QChartView *chart, m_charts)
217 chart->setRenderHint(QPainter::Antialiasing, enabled);
218 }
219
220 void updateAnimations(bool animated)
221 {
222 QChart::AnimationOptions options = QChart::NoAnimation;
223 if (animated)
224 options = QChart::AllAnimations;
225
226 foreach (QChartView *chart, m_charts)
227 chart->setAnimationOptions(options);
228 }
229
230 private:
231 QList<QChartView*> m_charts;
232 QComboBox *m_themeComboBox;
233 DataTable m_dataTable;
234 };
235 45
236 46 int main(int argc, char *argv[])
237 47 {
238 48 QApplication a(argc, argv);
239
240 49 QMainWindow window;
241
242 MainWidget* widget = new MainWidget();
243
50 ThemeWidget* widget = new ThemeWidget();
244 51 window.setCentralWidget(widget);
245 52 window.resize(900, 600);
246 53 window.show();
247
248 54 return a.exec();
249 55 }
250 56
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