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Refactored chartwidgettest test data impl
Tero Ahola -
r278:1d8f8b316dca
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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 <qscatterseries.h>
5 #include <qscatterseries.h>
6
6
7 QTCOMMERCIALCHART_USE_NAMESPACE
7 QTCOMMERCIALCHART_USE_NAMESPACE
8
8
9 int main(int argc, char *argv[])
9 int main(int argc, char *argv[])
10 {
10 {
11 QApplication a(argc, argv);
11 QApplication a(argc, argv);
12
12
13 // Create chart widget
13 // Create chart widget
14 QChartView *chartView = new QChartView();
14 QChartView *chartView = new QChartView();
15
15
16 //! [1]
16 // Add scatter series with simple test data
17 // Add scatter series with simple test data
17 QScatterSeries *scatter = new QScatterSeries();
18 QScatterSeries *scatter = new QScatterSeries();
18 *scatter << QPointF(0.5, 5.0)
19 *scatter << QPointF(0.5, 5.0)
19 << QPointF(1.0, 4.5)
20 << QPointF(1.0, 4.5)
20 << QPointF(1.0, 5.5)
21 << QPointF(1.0, 5.5)
21 << QPointF(1.5, 5.0)
22 << QPointF(1.5, 5.0)
22 << QPointF(2.0, 4.5)
23 << QPointF(2.0, 4.5)
23 << QPointF(2.0, 5.5)
24 << QPointF(2.0, 5.5)
24 << QPointF(2.5, 5.0);
25 << QPointF(2.5, 5.0);
25 // Chart takes ownership
26 // Chart takes ownership
26 chartView->addSeries(scatter);
27 chartView->addSeries(scatter);
28 //! [1]
27
29
28 // Add another scatter series
30 // Add another scatter series
29 // - more data with random component
31 // - more data with random component
30 QScatterSeries *scatter2 = new QScatterSeries();
32 QScatterSeries *scatter2 = new QScatterSeries();
31 for (qreal i(0.0); i < 20; i += 0.15) {
33 for (qreal i(0.0); i < 20; i += 0.15) {
32 (*scatter2) << QPointF(i + (qreal)(rand() % 100) / 100.0,
34 (*scatter2) << QPointF(i + (qreal)(rand() % 100) / 100.0,
33 i + (qreal)(rand() % 100) / 100.0);
35 i + (qreal)(rand() % 100) / 100.0);
34 }
36 }
35 QBrush brush(QColor(255, 0, 0, 100), Qt::SolidPattern);
37 QBrush brush(QColor(255, 0, 0, 100), Qt::SolidPattern);
36 scatter2->setMarkerBrush(brush);
38 scatter2->setMarkerBrush(brush);
37 QPen pen(QColor(0, 255, 0, 80), 3);
39 QPen pen(QColor(0, 255, 0, 80), 3);
38 scatter2->setMarkerPen(pen);
40 scatter2->setMarkerPen(pen);
39 scatter2->setMarkerShape(QScatterSeries::MarkerShapeRectangle);
41 scatter2->setMarkerShape(QScatterSeries::MarkerShapeRectangle);
40 chartView->addSeries(scatter2);
42 chartView->addSeries(scatter2);
41
43
42 // Use the chart widget as the central widget
44 // Use the chart widget as the central widget
43 QMainWindow w;
45 QMainWindow w;
44 w.resize(640, 480);
46 w.resize(640, 480);
45 w.setCentralWidget(chartView);
47 w.setCentralWidget(chartView);
46 w.show();
48 w.show();
47
49
48 return a.exec();
50 return a.exec();
49 }
51 }
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@@ -1,229 +1,229
1 #include "charttheme_p.h"
1 #include "charttheme_p.h"
2 #include "qchart.h"
2 #include "qchart.h"
3 #include "qchartaxis.h"
3 #include "qchartaxis.h"
4
4
5
5
6 //series
6 //series
7 #include "qbarset.h"
7 #include "qbarset.h"
8 #include "qbarchartseries.h"
8 #include "qbarchartseries.h"
9 #include "qstackedbarchartseries.h"
9 #include "qstackedbarchartseries.h"
10 #include "qpercentbarchartseries.h"
10 #include "qpercentbarchartseries.h"
11 #include "qlinechartseries.h"
11 #include "qlinechartseries.h"
12 #include "qscatterseries.h"
12 #include "qscatterseries.h"
13 #include "qpieseries.h"
13 #include "qpieseries.h"
14 #include "qpieslice.h"
14 #include "qpieslice.h"
15
15
16 //items
16 //items
17 #include "axisitem_p.h"
17 #include "axisitem_p.h"
18 #include "barpresenter.h"
18 #include "barpresenter.h"
19 #include "stackedbarpresenter.h"
19 #include "stackedbarpresenter.h"
20 #include "linechartitem_p.h"
20 #include "linechartitem_p.h"
21 #include "percentbarpresenter.h"
21 #include "percentbarpresenter.h"
22 #include "scatterpresenter_p.h"
22 #include "scatterpresenter_p.h"
23 #include "piepresenter.h"
23 #include "piepresenter.h"
24
24
25 //themes
25 //themes
26 #include "chartthemevanilla_p.h"
26 #include "chartthemevanilla_p.h"
27 #include "chartthemeicy_p.h"
27 #include "chartthemeicy_p.h"
28 #include "chartthemegrayscale_p.h"
28 #include "chartthemegrayscale_p.h"
29 #include "chartthemescientific_p.h"
29 #include "chartthemescientific_p.h"
30
30
31
31
32 QTCOMMERCIALCHART_BEGIN_NAMESPACE
32 QTCOMMERCIALCHART_BEGIN_NAMESPACE
33
33
34 /* TODO
34 /* TODO
35 case QChart::ChartThemeUnnamed1:
35 case QChart::ChartThemeUnnamed1:
36 m_seriesThemes.append(SeriesTheme(QColor(QRgb(0xff3fa9f5)), 2));
36 m_seriesThemes.append(SeriesTheme(QColor(QRgb(0xff3fa9f5)), 2));
37 m_seriesThemes.append(SeriesTheme(QColor(QRgb(0xff7AC943)), 2));
37 m_seriesThemes.append(SeriesTheme(QColor(QRgb(0xff7AC943)), 2));
38 m_seriesThemes.append(SeriesTheme(QColor(QRgb(0xffFF931E)), 2));
38 m_seriesThemes.append(SeriesTheme(QColor(QRgb(0xffFF931E)), 2));
39 m_seriesThemes.append(SeriesTheme(QColor(QRgb(0xffFF1D25)), 2));
39 m_seriesThemes.append(SeriesTheme(QColor(QRgb(0xffFF1D25)), 2));
40 m_seriesThemes.append(SeriesTheme(QColor(QRgb(0xffFF7BAC)), 2));
40 m_seriesThemes.append(SeriesTheme(QColor(QRgb(0xffFF7BAC)), 2));
41
41
42 m_gradientStartColor = QColor(QRgb(0xfff3dc9e));
42 m_gradientStartColor = QColor(QRgb(0xfff3dc9e));
43 m_gradientEndColor = QColor(QRgb(0xffafafaf));
43 m_gradientEndColor = QColor(QRgb(0xffafafaf));
44 */
44 */
45
45
46 ChartTheme::ChartTheme(QChart::ChartTheme id)
46 ChartTheme::ChartTheme(QChart::ChartTheme id)
47 {
47 {
48 m_id = id;
48 m_id = id;
49 m_seriesColor.append(QRgb(0xff000000));
49 m_seriesColor.append(QRgb(0xff000000));
50 m_seriesColor.append(QRgb(0xff707070));
50 m_seriesColor.append(QRgb(0xff707070));
51 m_gradientStartColor = QColor(QRgb(0xffffffff));
51 m_gradientStartColor = QColor(QRgb(0xffffffff));
52 m_gradientEndColor = QColor(QRgb(0xffafafaf));
52 m_gradientEndColor = QColor(QRgb(0xffafafaf));
53 }
53 }
54
54
55
55
56 ChartTheme* ChartTheme::createTheme(QChart::ChartTheme theme)
56 ChartTheme* ChartTheme::createTheme(QChart::ChartTheme theme)
57 {
57 {
58 switch(theme) {
58 switch(theme) {
59 case QChart::ChartThemeDefault:
59 case QChart::ChartThemeDefault:
60 return new ChartTheme();
60 return new ChartTheme();
61 case QChart::ChartThemeVanilla:
61 case QChart::ChartThemeVanilla:
62 return new ChartThemeVanilla();
62 return new ChartThemeVanilla();
63 case QChart::ChartThemeIcy:
63 case QChart::ChartThemeIcy:
64 return new ChartThemeIcy();
64 return new ChartThemeIcy();
65 case QChart::ChartThemeGrayscale:
65 case QChart::ChartThemeGrayscale:
66 return new ChartThemeGrayscale();
66 return new ChartThemeGrayscale();
67 case QChart::ChartThemeScientific:
67 case QChart::ChartThemeScientific:
68 return new ChartThemeScientific();
68 return new ChartThemeScientific();
69 }
69 }
70 }
70 }
71
71
72 void ChartTheme::decorate(QChart* chart)
72 void ChartTheme::decorate(QChart* chart)
73 {
73 {
74 QLinearGradient backgroundGradient;
74 QLinearGradient backgroundGradient;
75 backgroundGradient.setColorAt(0.0, m_gradientStartColor);
75 backgroundGradient.setColorAt(0.0, m_gradientStartColor);
76 backgroundGradient.setColorAt(1.0, m_gradientEndColor);
76 backgroundGradient.setColorAt(1.0, m_gradientEndColor);
77 backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
77 backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
78 chart->setChartBackgroundBrush(backgroundGradient);
78 chart->setChartBackgroundBrush(backgroundGradient);
79 }
79 }
80 //TODO helper to by removed later
80 //TODO helper to by removed later
81 void ChartTheme::decorate(ChartItem* item, QChartSeries* series,int count)
81 void ChartTheme::decorate(ChartItem* item, QChartSeries* series,int count)
82 {
82 {
83 switch(series->type())
83 switch(series->type())
84 {
84 {
85 case QChartSeries::SeriesTypeLine: {
85 case QChartSeries::SeriesTypeLine: {
86 QLineChartSeries* s = static_cast<QLineChartSeries*>(series);
86 QLineChartSeries* s = static_cast<QLineChartSeries*>(series);
87 LineChartItem* i = static_cast<LineChartItem*>(item);
87 LineChartItem* i = static_cast<LineChartItem*>(item);
88 decorate(i,s,count);
88 decorate(i,s,count);
89 break;
89 break;
90 }
90 }
91 case QChartSeries::SeriesTypeBar: {
91 case QChartSeries::SeriesTypeBar: {
92 QBarChartSeries* b = static_cast<QBarChartSeries*>(series);
92 QBarChartSeries* b = static_cast<QBarChartSeries*>(series);
93 BarPresenter* i = static_cast<BarPresenter*>(item);
93 BarPresenter* i = static_cast<BarPresenter*>(item);
94 decorate(i,b,count);
94 decorate(i,b,count);
95 break;
95 break;
96 }
96 }
97 case QChartSeries::SeriesTypeStackedBar: {
97 case QChartSeries::SeriesTypeStackedBar: {
98 QStackedBarChartSeries* s = static_cast<QStackedBarChartSeries*>(series);
98 QStackedBarChartSeries* s = static_cast<QStackedBarChartSeries*>(series);
99 StackedBarPresenter* i = static_cast<StackedBarPresenter*>(item);
99 StackedBarPresenter* i = static_cast<StackedBarPresenter*>(item);
100 decorate(i,s,count);
100 decorate(i,s,count);
101 break;
101 break;
102 }
102 }
103 case QChartSeries::SeriesTypePercentBar: {
103 case QChartSeries::SeriesTypePercentBar: {
104 QPercentBarChartSeries* s = static_cast<QPercentBarChartSeries*>(series);
104 QPercentBarChartSeries* s = static_cast<QPercentBarChartSeries*>(series);
105 PercentBarPresenter* i = static_cast<PercentBarPresenter*>(item);
105 PercentBarPresenter* i = static_cast<PercentBarPresenter*>(item);
106 decorate(i,s,count);
106 decorate(i,s,count);
107 break;
107 break;
108 }
108 }
109 case QChartSeries::SeriesTypeScatter: {
109 case QChartSeries::SeriesTypeScatter: {
110 QScatterSeries* s = qobject_cast<QScatterSeries*>(series);
110 QScatterSeries* s = qobject_cast<QScatterSeries*>(series);
111 Q_ASSERT(s);
111 Q_ASSERT(s);
112 ScatterPresenter* i = static_cast<ScatterPresenter*>(item);
112 ScatterPresenter* i = static_cast<ScatterPresenter*>(item);
113 Q_ASSERT(i);
113 Q_ASSERT(i);
114 decorate(i, s, count);
114 decorate(i, s, count);
115 break;
115 break;
116 }
116 }
117 case QChartSeries::SeriesTypePie: {
117 case QChartSeries::SeriesTypePie: {
118 QPieSeries* s = static_cast<QPieSeries*>(series);
118 QPieSeries* s = static_cast<QPieSeries*>(series);
119 PiePresenter* i = static_cast<PiePresenter*>(item);
119 PiePresenter* i = static_cast<PiePresenter*>(item);
120 decorate(i,s,count);
120 decorate(i,s,count);
121 break;
121 break;
122 }
122 }
123 default:
123 default:
124 qDebug()<<"Wrong item to be decorated by theme";
124 qDebug()<<"Wrong item to be decorated by theme";
125 break;
125 break;
126 }
126 }
127
127
128 }
128 }
129
129
130 void ChartTheme::decorate(LineChartItem* item, QLineChartSeries* series,int count)
130 void ChartTheme::decorate(LineChartItem* item, QLineChartSeries* series,int count)
131 {
131 {
132 QPen pen;
132 QPen pen;
133 if(pen != series->pen()){
133 if(pen != series->pen()){
134 item->setPen(series->pen());
134 item->setPen(series->pen());
135 return;
135 return;
136 }
136 }
137 pen.setColor(m_seriesColor.at(count%m_seriesColor.size()));
137 pen.setColor(m_seriesColor.at(count%m_seriesColor.size()));
138 pen.setWidthF(2);
138 pen.setWidthF(2);
139 item->setPen(pen);
139 item->setPen(pen);
140 }
140 }
141
141
142 void ChartTheme::decorate(BarPresenter* item, QBarChartSeries* series,int count)
142 void ChartTheme::decorate(BarPresenter* item, QBarChartSeries* series,int count)
143 {
143 {
144 for (int i=0; i<series->countSets(); i++) {
144 for (int i=0; i<series->countSets(); i++) {
145 series->nextSet(0==i)->setBrush(QBrush(m_seriesColor.at(i%m_seriesColor.count())));
145 series->nextSet(0==i)->setBrush(QBrush(m_seriesColor.at(i%m_seriesColor.count())));
146 }
146 }
147 }
147 }
148
148
149 void ChartTheme::decorate(StackedBarPresenter* item, QStackedBarChartSeries* series,int count)
149 void ChartTheme::decorate(StackedBarPresenter* item, QStackedBarChartSeries* series,int count)
150 {
150 {
151 for (int i=0; i<series->countSets(); i++) {
151 for (int i=0; i<series->countSets(); i++) {
152 series->nextSet(0==i)->setBrush(QBrush(m_seriesColor.at(i%m_seriesColor.count())));
152 series->nextSet(0==i)->setBrush(QBrush(m_seriesColor.at(i%m_seriesColor.count())));
153 }
153 }
154 }
154 }
155
155
156 void ChartTheme::decorate(PercentBarPresenter* item, QPercentBarChartSeries* series,int count)
156 void ChartTheme::decorate(PercentBarPresenter* item, QPercentBarChartSeries* series,int count)
157 {
157 {
158 for (int i=0; i<series->countSets(); i++) {
158 for (int i=0; i<series->countSets(); i++) {
159 series->nextSet(0==i)->setBrush(QBrush(m_seriesColor.at(i%m_seriesColor.count())));
159 series->nextSet(0==i)->setBrush(QBrush(m_seriesColor.at(i%m_seriesColor.count())));
160 }
160 }
161 }
161 }
162
162
163 void ChartTheme::decorate(ScatterPresenter* presenter, QScatterSeries* series, int count)
163 void ChartTheme::decorate(ScatterPresenter* presenter, QScatterSeries* series, int count)
164 {
164 {
165 Q_ASSERT(presenter);
165 Q_ASSERT(presenter);
166 Q_ASSERT(series);
166 Q_ASSERT(series);
167
167
168 QColor color = m_seriesColor.at(count % m_seriesColor.size());
168 QColor color = m_seriesColor.at(count % m_seriesColor.size());
169 // TODO: define alpha in the theme? or in the series?
169 // TODO: define alpha in the theme? or in the series?
170 color.setAlpha(120);
170 //color.setAlpha(120);
171
171
172 QBrush brush(color, Qt::SolidPattern);
172 QBrush brush(color, Qt::SolidPattern);
173 presenter->m_markerBrush = brush;
173 presenter->m_markerBrush = brush;
174
174
175 QPen pen(brush, 1);
175 QPen pen(brush, 3);
176 pen.setColor(color);
176 pen.setColor(color);
177 presenter->m_markerPen = pen;
177 presenter->m_markerPen = pen;
178 }
178 }
179
179
180 void ChartTheme::decorate(PiePresenter* item, QPieSeries* series, int /*count*/)
180 void ChartTheme::decorate(PiePresenter* item, QPieSeries* series, int /*count*/)
181 {
181 {
182 // create a list of slice colors based on current theme
182 // create a list of slice colors based on current theme
183 int i = 0;
183 int i = 0;
184 QList<QColor> colors;
184 QList<QColor> colors;
185 while (colors.count() < series->count()) {
185 while (colors.count() < series->count()) {
186
186
187 // get base color
187 // get base color
188 QColor c = m_seriesColor[i++];
188 QColor c = m_seriesColor[i++];
189 i = i % m_seriesColor.count();
189 i = i % m_seriesColor.count();
190
190
191 // -1 means achromatic color -> cannot manipulate lightness
191 // -1 means achromatic color -> cannot manipulate lightness
192 // TODO: find a better way to randomize lightness
192 // TODO: find a better way to randomize lightness
193 if (c.toHsv().hue() == -1)
193 if (c.toHsv().hue() == -1)
194 qWarning() << "ChartTheme::decorate() warning: achromatic theme color";
194 qWarning() << "ChartTheme::decorate() warning: achromatic theme color";
195
195
196 // randomize lightness
196 // randomize lightness
197 qreal f = 50 + (qrand() % 100); // 50 is 50% darker, 100 is the same, 150 is 50% lighter
197 qreal f = 50 + (qrand() % 100); // 50 is 50% darker, 100 is the same, 150 is 50% lighter
198 c = c.lighter(f);
198 c = c.lighter(f);
199
199
200 // find duplicates
200 // find duplicates
201 bool isUnique = true;
201 bool isUnique = true;
202 foreach (QColor color, colors) {
202 foreach (QColor color, colors) {
203 if (c == color)
203 if (c == color)
204 isUnique = false;
204 isUnique = false;
205 }
205 }
206
206
207 // add to array if unique
207 // add to array if unique
208 //if (isUnique)
208 //if (isUnique)
209 colors << c;
209 colors << c;
210 }
210 }
211
211
212 // finally update colors
212 // finally update colors
213 foreach (QPieSlice* s, series->slices()) {
213 foreach (QPieSlice* s, series->slices()) {
214 s->setPen(QPen(Qt::black)); // TODO: get from theme
214 s->setPen(QPen(Qt::black)); // TODO: get from theme
215 s->setBrush(colors.takeFirst());
215 s->setBrush(colors.takeFirst());
216 }
216 }
217 }
217 }
218
218
219
219
220 void ChartTheme::decorate(QChartAxis* axis,AxisItem* item)
220 void ChartTheme::decorate(QChartAxis* axis,AxisItem* item)
221 {
221 {
222 //TODO: dummy defults for now
222 //TODO: dummy defults for now
223 axis->setLabelsBrush(Qt::black);
223 axis->setLabelsBrush(Qt::black);
224 axis->setLabelsPen(Qt::NoPen);
224 axis->setLabelsPen(Qt::NoPen);
225 axis->setShadesPen(Qt::NoPen);
225 axis->setShadesPen(Qt::NoPen);
226 axis->setShadesOpacity(0.5);
226 axis->setShadesOpacity(0.5);
227 }
227 }
228
228
229 QTCOMMERCIALCHART_END_NAMESPACE
229 QTCOMMERCIALCHART_END_NAMESPACE
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@@ -1,299 +1,299
1 #include "qpieseries.h"
1 #include "qpieseries.h"
2 #include "qpieslice.h"
2 #include "qpieslice.h"
3 #include "piepresenter.h"
3 #include "piepresenter.h"
4 #include "pieslice.h"
4 #include "pieslice.h"
5 #include <QDebug>
5 #include <QDebug>
6
6
7 QTCOMMERCIALCHART_BEGIN_NAMESPACE
7 QTCOMMERCIALCHART_BEGIN_NAMESPACE
8
8
9 void QPieSeries::ChangeSet::appendAdded(QPieSlice* slice)
9 void QPieSeries::ChangeSet::appendAdded(QPieSlice* slice)
10 {
10 {
11 if (!m_added.contains(slice))
11 if (!m_added.contains(slice))
12 m_added << slice;
12 m_added << slice;
13 }
13 }
14
14
15 void QPieSeries::ChangeSet::appendChanged(QPieSlice* slice)
15 void QPieSeries::ChangeSet::appendChanged(QPieSlice* slice)
16 {
16 {
17 if (!m_changed.contains(slice))
17 if (!m_changed.contains(slice))
18 m_changed << slice;
18 m_changed << slice;
19 }
19 }
20
20
21 void QPieSeries::ChangeSet::appendRemoved(QPieSlice* slice)
21 void QPieSeries::ChangeSet::appendRemoved(QPieSlice* slice)
22 {
22 {
23 if (!m_removed.contains(slice))
23 if (!m_removed.contains(slice))
24 m_removed << slice;
24 m_removed << slice;
25 }
25 }
26
26
27 QList<QPieSlice*> QPieSeries::ChangeSet::added() const
27 QList<QPieSlice*> QPieSeries::ChangeSet::added() const
28 {
28 {
29 return m_added;
29 return m_added;
30 }
30 }
31
31
32 QList<QPieSlice*> QPieSeries::ChangeSet::changed() const
32 QList<QPieSlice*> QPieSeries::ChangeSet::changed() const
33 {
33 {
34 return m_changed;
34 return m_changed;
35 }
35 }
36
36
37 QList<QPieSlice*> QPieSeries::ChangeSet::removed() const
37 QList<QPieSlice*> QPieSeries::ChangeSet::removed() const
38 {
38 {
39 return m_removed;
39 return m_removed;
40 }
40 }
41
41
42 bool QPieSeries::ChangeSet::isEmpty() const
42 bool QPieSeries::ChangeSet::isEmpty() const
43 {
43 {
44 if (m_added.count() || m_changed.count() || m_removed.count())
44 if (m_added.count() || m_changed.count() || m_removed.count())
45 return false;
45 return false;
46 return true;
46 return true;
47 }
47 }
48
48
49
49
50 QPieSeries::QPieSeries(QObject *parent) :
50 QPieSeries::QPieSeries(QObject *parent) :
51 QChartSeries(parent),
51 QChartSeries(parent),
52 m_sizeFactor(1.0),
52 m_sizeFactor(1.0),
53 m_position(PiePositionMaximized),
53 m_position(PiePositionMaximized),
54 m_pieStartAngle(0),
54 m_pieStartAngle(0),
55 m_pieSpan(360)
55 m_pieSpan(360)
56 {
56 {
57
57
58 }
58 }
59
59
60 QPieSeries::~QPieSeries()
60 QPieSeries::~QPieSeries()
61 {
61 {
62
62
63 }
63 }
64
64
65 bool QPieSeries::setData(QList<qreal> data)
65 bool QPieSeries::setData(QList<qreal> data)
66 {
66 {
67 // TODO: remove this function
67 // TODO: remove this function
68 QList<QPieSlice*> slices;
68 QList<QPieSlice*> slices;
69 foreach (int value, data)
69 foreach (qreal value, data)
70 slices << new QPieSlice(value, QString::number(value));
70 slices << new QPieSlice(value, QString::number(value));
71 set(slices);
71 set(slices);
72 return true;
72 return true;
73 }
73 }
74
74
75 void QPieSeries::set(QList<QPieSlice*> slices)
75 void QPieSeries::set(QList<QPieSlice*> slices)
76 {
76 {
77 clear();
77 clear();
78 add(slices);
78 add(slices);
79 }
79 }
80
80
81 void QPieSeries::add(QList<QPieSlice*> slices)
81 void QPieSeries::add(QList<QPieSlice*> slices)
82 {
82 {
83 ChangeSet changeSet;
83 ChangeSet changeSet;
84 foreach (QPieSlice* s, slices) {
84 foreach (QPieSlice* s, slices) {
85 s->setParent(this);
85 s->setParent(this);
86 m_slices << s;
86 m_slices << s;
87 changeSet.appendAdded(s);
87 changeSet.appendAdded(s);
88 }
88 }
89
89
90 updateDerivativeData();
90 updateDerivativeData();
91
91
92 foreach (QPieSlice* s, slices) {
92 foreach (QPieSlice* s, slices) {
93 connect(s, SIGNAL(changed()), this, SLOT(sliceChanged()));
93 connect(s, SIGNAL(changed()), this, SLOT(sliceChanged()));
94 connect(s, SIGNAL(clicked()), this, SLOT(sliceClicked()));
94 connect(s, SIGNAL(clicked()), this, SLOT(sliceClicked()));
95 connect(s, SIGNAL(hoverEnter()), this, SLOT(sliceHoverEnter()));
95 connect(s, SIGNAL(hoverEnter()), this, SLOT(sliceHoverEnter()));
96 connect(s, SIGNAL(hoverLeave()), this, SLOT(sliceHoverLeave()));
96 connect(s, SIGNAL(hoverLeave()), this, SLOT(sliceHoverLeave()));
97 }
97 }
98
98
99 emit changed(changeSet);
99 emit changed(changeSet);
100 }
100 }
101
101
102 void QPieSeries::add(QPieSlice* slice)
102 void QPieSeries::add(QPieSlice* slice)
103 {
103 {
104 add(QList<QPieSlice*>() << slice);
104 add(QList<QPieSlice*>() << slice);
105 }
105 }
106
106
107 QPieSlice* QPieSeries::add(qreal value, QString name)
107 QPieSlice* QPieSeries::add(qreal value, QString name)
108 {
108 {
109 QPieSlice* slice = new QPieSlice(value, name);
109 QPieSlice* slice = new QPieSlice(value, name);
110 add(slice);
110 add(slice);
111 return slice;
111 return slice;
112 }
112 }
113
113
114 void QPieSeries::remove(QPieSlice* slice)
114 void QPieSeries::remove(QPieSlice* slice)
115 {
115 {
116 if (!m_slices.removeOne(slice)) {
116 if (!m_slices.removeOne(slice)) {
117 Q_ASSERT(0); // TODO: remove before release
117 Q_ASSERT(0); // TODO: remove before release
118 return;
118 return;
119 }
119 }
120
120
121 ChangeSet changeSet;
121 ChangeSet changeSet;
122 changeSet.appendRemoved(slice);
122 changeSet.appendRemoved(slice);
123 emit changed(changeSet);
123 emit changed(changeSet);
124
124
125 delete slice;
125 delete slice;
126 slice = NULL;
126 slice = NULL;
127
127
128 updateDerivativeData();
128 updateDerivativeData();
129 }
129 }
130
130
131 void QPieSeries::clear()
131 void QPieSeries::clear()
132 {
132 {
133 if (m_slices.count() == 0)
133 if (m_slices.count() == 0)
134 return;
134 return;
135
135
136 ChangeSet changeSet;
136 ChangeSet changeSet;
137 foreach (QPieSlice* s, m_slices) {
137 foreach (QPieSlice* s, m_slices) {
138 changeSet.appendRemoved(s);
138 changeSet.appendRemoved(s);
139 m_slices.removeOne(s);
139 m_slices.removeOne(s);
140 delete s;
140 delete s;
141 }
141 }
142 emit changed(changeSet);
142 emit changed(changeSet);
143 updateDerivativeData();
143 updateDerivativeData();
144 }
144 }
145
145
146 void QPieSeries::setSizeFactor(qreal factor)
146 void QPieSeries::setSizeFactor(qreal factor)
147 {
147 {
148 if (factor < 0.0)
148 if (factor < 0.0)
149 return;
149 return;
150
150
151 if (m_sizeFactor != factor) {
151 if (m_sizeFactor != factor) {
152 m_sizeFactor = factor;
152 m_sizeFactor = factor;
153 emit sizeFactorChanged();
153 emit sizeFactorChanged();
154 }
154 }
155 }
155 }
156
156
157 void QPieSeries::setPosition(PiePosition position)
157 void QPieSeries::setPosition(PiePosition position)
158 {
158 {
159 if (m_position != position) {
159 if (m_position != position) {
160 m_position = position;
160 m_position = position;
161 emit positionChanged();
161 emit positionChanged();
162 }
162 }
163 }
163 }
164
164
165 void QPieSeries::setSpan(qreal startAngle, qreal span)
165 void QPieSeries::setSpan(qreal startAngle, qreal span)
166 {
166 {
167 if (startAngle >= 0 && startAngle < 360 &&
167 if (startAngle >= 0 && startAngle < 360 &&
168 span > 0 && span <= 360) {
168 span > 0 && span <= 360) {
169 m_pieStartAngle = startAngle;
169 m_pieStartAngle = startAngle;
170 m_pieSpan = span;
170 m_pieSpan = span;
171 updateDerivativeData();
171 updateDerivativeData();
172 }
172 }
173 }
173 }
174
174
175 void QPieSeries::setLabelsVisible(bool visible)
175 void QPieSeries::setLabelsVisible(bool visible)
176 {
176 {
177 foreach (QPieSlice* s, m_slices)
177 foreach (QPieSlice* s, m_slices)
178 s->setLabelVisible(visible);
178 s->setLabelVisible(visible);
179 }
179 }
180
180
181 void QPieSeries::enableClickExplodes(bool enable)
181 void QPieSeries::enableClickExplodes(bool enable)
182 {
182 {
183 if (enable)
183 if (enable)
184 connect(this, SIGNAL(clicked(QPieSlice*)), this, SLOT(toggleExploded(QPieSlice*)));
184 connect(this, SIGNAL(clicked(QPieSlice*)), this, SLOT(toggleExploded(QPieSlice*)));
185 else
185 else
186 disconnect(this, SLOT(toggleExploded(QPieSlice*)));
186 disconnect(this, SLOT(toggleExploded(QPieSlice*)));
187 }
187 }
188
188
189 void QPieSeries::enableHoverHighlight(bool enable)
189 void QPieSeries::enableHoverHighlight(bool enable)
190 {
190 {
191 if (enable) {
191 if (enable) {
192 connect(this, SIGNAL(hoverEnter(QPieSlice*)), this, SLOT(highlightOn(QPieSlice*)));
192 connect(this, SIGNAL(hoverEnter(QPieSlice*)), this, SLOT(highlightOn(QPieSlice*)));
193 connect(this, SIGNAL(hoverLeave(QPieSlice*)), this, SLOT(highlightOff(QPieSlice*)));
193 connect(this, SIGNAL(hoverLeave(QPieSlice*)), this, SLOT(highlightOff(QPieSlice*)));
194 } else {
194 } else {
195 disconnect(this, SLOT(hoverEnter(QPieSlice*)));
195 disconnect(this, SLOT(hoverEnter(QPieSlice*)));
196 disconnect(this, SLOT(hoverLeave(QPieSlice*)));
196 disconnect(this, SLOT(hoverLeave(QPieSlice*)));
197 }
197 }
198 }
198 }
199
199
200 void QPieSeries::sliceChanged()
200 void QPieSeries::sliceChanged()
201 {
201 {
202 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
202 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
203 Q_ASSERT(m_slices.contains(slice));
203 Q_ASSERT(m_slices.contains(slice));
204
204
205 ChangeSet changeSet;
205 ChangeSet changeSet;
206 changeSet.appendChanged(slice);
206 changeSet.appendChanged(slice);
207 emit changed(changeSet);
207 emit changed(changeSet);
208
208
209 updateDerivativeData();
209 updateDerivativeData();
210 }
210 }
211
211
212 void QPieSeries::sliceClicked()
212 void QPieSeries::sliceClicked()
213 {
213 {
214 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
214 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
215 Q_ASSERT(m_slices.contains(slice));
215 Q_ASSERT(m_slices.contains(slice));
216 emit clicked(slice);
216 emit clicked(slice);
217 }
217 }
218
218
219 void QPieSeries::sliceHoverEnter()
219 void QPieSeries::sliceHoverEnter()
220 {
220 {
221 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
221 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
222 Q_ASSERT(m_slices.contains(slice));
222 Q_ASSERT(m_slices.contains(slice));
223 emit hoverEnter(slice);
223 emit hoverEnter(slice);
224 }
224 }
225
225
226 void QPieSeries::sliceHoverLeave()
226 void QPieSeries::sliceHoverLeave()
227 {
227 {
228 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
228 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
229 Q_ASSERT(m_slices.contains(slice));
229 Q_ASSERT(m_slices.contains(slice));
230 emit hoverLeave(slice);
230 emit hoverLeave(slice);
231 }
231 }
232
232
233 void QPieSeries::toggleExploded(QPieSlice* slice)
233 void QPieSeries::toggleExploded(QPieSlice* slice)
234 {
234 {
235 Q_ASSERT(slice);
235 Q_ASSERT(slice);
236 slice->setExploded(!slice->isExploded());
236 slice->setExploded(!slice->isExploded());
237 }
237 }
238
238
239 void QPieSeries::highlightOn(QPieSlice* slice)
239 void QPieSeries::highlightOn(QPieSlice* slice)
240 {
240 {
241 Q_ASSERT(slice);
241 Q_ASSERT(slice);
242 QColor c = slice->brush().color().lighter();
242 QColor c = slice->brush().color().lighter();
243 slice->setBrush(c);
243 slice->setBrush(c);
244 }
244 }
245
245
246 void QPieSeries::highlightOff(QPieSlice* slice)
246 void QPieSeries::highlightOff(QPieSlice* slice)
247 {
247 {
248 Q_ASSERT(slice);
248 Q_ASSERT(slice);
249 QColor c = slice->brush().color().darker(150);
249 QColor c = slice->brush().color().darker(150);
250 slice->setBrush(c);
250 slice->setBrush(c);
251 }
251 }
252
252
253 void QPieSeries::updateDerivativeData()
253 void QPieSeries::updateDerivativeData()
254 {
254 {
255 m_total = 0;
255 m_total = 0;
256
256
257 // nothing to do?
257 // nothing to do?
258 if (m_slices.count() == 0)
258 if (m_slices.count() == 0)
259 return;
259 return;
260
260
261 // calculate total
261 // calculate total
262 foreach (QPieSlice* s, m_slices)
262 foreach (QPieSlice* s, m_slices)
263 m_total += s->value();
263 m_total += s->value();
264
264
265 // we must have some values
265 // we must have some values
266 Q_ASSERT(m_total > 0); // TODO
266 Q_ASSERT(m_total > 0); // TODO
267
267
268 // update slice attributes
268 // update slice attributes
269 qreal sliceAngle = m_pieStartAngle;
269 qreal sliceAngle = m_pieStartAngle;
270 foreach (QPieSlice* s, m_slices) {
270 foreach (QPieSlice* s, m_slices) {
271
271
272 bool changed = false;
272 bool changed = false;
273
273
274 qreal percentage = s->value() / m_total;
274 qreal percentage = s->value() / m_total;
275 if (s->m_percentage != percentage) {
275 if (s->m_percentage != percentage) {
276 s->m_percentage = percentage;
276 s->m_percentage = percentage;
277 changed = true;
277 changed = true;
278 }
278 }
279
279
280 qreal sliceSpan = m_pieSpan * percentage;
280 qreal sliceSpan = m_pieSpan * percentage;
281 if (s->m_span != sliceSpan) {
281 if (s->m_span != sliceSpan) {
282 s->m_span = sliceSpan;
282 s->m_span = sliceSpan;
283 changed = true;
283 changed = true;
284 }
284 }
285
285
286 if (s->m_angle != sliceAngle) {
286 if (s->m_angle != sliceAngle) {
287 s->m_angle = sliceAngle;
287 s->m_angle = sliceAngle;
288 changed = true;
288 changed = true;
289 }
289 }
290 sliceAngle += sliceSpan;
290 sliceAngle += sliceSpan;
291
291
292 if (changed)
292 if (changed)
293 emit s->changed();
293 emit s->changed();
294 }
294 }
295 }
295 }
296
296
297 #include "moc_qpieseries.cpp"
297 #include "moc_qpieseries.cpp"
298
298
299 QTCOMMERCIALCHART_END_NAMESPACE
299 QTCOMMERCIALCHART_END_NAMESPACE
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@@ -1,207 +1,208
1 #include "qscatterseries.h"
1 #include "qscatterseries.h"
2 #include "scatterseries_p.h"
2 #include "scatterseries_p.h"
3 #include "qchart.h"
3 #include "qchart.h"
4
4
5 QTCOMMERCIALCHART_BEGIN_NAMESPACE
5 QTCOMMERCIALCHART_BEGIN_NAMESPACE
6
6
7 QScatterSeriesPrivate::QScatterSeriesPrivate() :
7 QScatterSeriesPrivate::QScatterSeriesPrivate() :
8 m_data(QList<QPointF>()),
8 m_data(QList<QPointF>()),
9 m_markerPen(QPen()),
9 m_markerPen(QPen()),
10 m_markerBrush(QBrush()),
10 m_markerBrush(QBrush()),
11 m_markerShape(QScatterSeries::MarkerShapeDefault)
11 m_markerShape(QScatterSeries::MarkerShapeDefault)
12 {
12 {
13 // Initialize pen color to invalid to use a theme color by default
13 // Initialize pen color to invalid to use a theme color by default
14 m_markerPen.setColor(QColor::Invalid);
14 m_markerPen.setColor(QColor::Invalid);
15 m_markerBrush.setColor(QColor::Invalid);
15 m_markerBrush.setColor(QColor::Invalid);
16 }
16 }
17
17
18 /*!
18 /*!
19 \enum QScatterSeries::MarkerShape
19 \enum QScatterSeries::MarkerShape
20
20
21 This enum describes the shape used when rendering marker items.
21 This enum describes the shape used when rendering marker items.
22
22
23 \value MarkerShapeDefault
23 \value MarkerShapeDefault
24 \value MarkerShapePoint
24 \value MarkerShapePoint
25 \value MarkerShapeX
25 \value MarkerShapeX
26 \value MarkerShapeRectangle
26 \value MarkerShapeRectangle
27 \value MarkerShapeTiltedRectangle
27 \value MarkerShapeTiltedRectangle
28 \value MarkerShapeTriangle
28 \value MarkerShapeTriangle
29 \value MarkerShapeCircle
29 \value MarkerShapeCircle
30 */
30 */
31
31
32 /*!
32 /*!
33 \class QScatterSeries
33 \class QScatterSeries
34 \brief QtCommercial Chart series API for showing scatter series.
34 \brief QtCommercial Chart series API for showing scatter series.
35
35
36 \snippet ../../example/scatter/main.cpp 1
36 Example on how to create a chart with scatter series:
37 Example on how to create a chart with scatter series:
37 \code
38 \code
38 #include <qchartglobal.h>
39 #include <qchartglobal.h>
39 #include <qchartview.h>
40 #include <qchartview.h>
40 #include <qscatterseries.h>
41 #include <qscatterseries.h>
41 ...
42 ...
42 QTCOMMERCIALCHART_USE_NAMESPACE
43 QTCOMMERCIALCHART_USE_NAMESPACE
43
44
44 // Create chart widget
45 // Create chart widget
45 QChartView *chartView = new QChartView();
46 QChartView *chartView = new QChartView();
46 QScatterSeries *scatter = new QScatterSeries();
47 QScatterSeries *scatter = new QScatterSeries();
47 *scatter << QPointF(0.5, 5.0) << QPointF(1.0, 4.5) << QPointF(1.0, 5.5) << QPointF(1.5, 5.0);
48 *scatter << QPointF(0.5, 5.0) << QPointF(1.0, 4.5) << QPointF(1.0, 5.5) << QPointF(1.5, 5.0);
48 chartView->addSeries(scatter);
49 chartView->addSeries(scatter);
49 // Then add the QChartView into a layout...
50 // Then add the QChartView into a layout...
50 \endcode
51 \endcode
51
52
52 The example code would result the following:
53 The example code would result the following:
53
54
54 \image scatter_example1.jpg
55 \image scatter_example1.jpg
55 */
56 */
56
57
57 /*!
58 /*!
58 Constructs a series object which is a child of \a parent.
59 Constructs a series object which is a child of \a parent.
59 */
60 */
60 QScatterSeries::QScatterSeries(QObject *parent) :
61 QScatterSeries::QScatterSeries(QObject *parent) :
61 QChartSeries(parent),
62 QChartSeries(parent),
62 d(new QScatterSeriesPrivate())
63 d(new QScatterSeriesPrivate())
63 {
64 {
64 }
65 }
65
66
66 /*!
67 /*!
67 Destroys the object. Note that adding series to QChart transfers the ownership to the chart.
68 Destroys the object. Note that adding series to QChart transfers the ownership to the chart.
68 */
69 */
69 QScatterSeries::~QScatterSeries()
70 QScatterSeries::~QScatterSeries()
70 {
71 {
71 delete d;
72 delete d;
72 }
73 }
73
74
74 /*!
75 /*!
75 Add single data point to the series.
76 Add single data point to the series.
76 For example:
77 For example:
77 \code
78 \code
78 mySeries.addData(QPointF(0.5, 5.0));
79 mySeries.addData(QPointF(0.5, 5.0));
79 \endcode
80 \endcode
80 */
81 */
81 void QScatterSeries::addData(QPointF value)
82 void QScatterSeries::addData(QPointF value)
82 {
83 {
83 d->m_data.append(value);
84 d->m_data.append(value);
84 emit changed();
85 emit changed();
85 }
86 }
86
87
87 /*!
88 /*!
88 Stream operator for adding a data point to the series.
89 Stream operator for adding a data point to the series.
89 \sa addData(), QScatterSeries::addData(QPointF value)
90 \sa addData(), QScatterSeries::addData(QPointF value)
90
91
91 For example:
92 For example:
92 \code
93 \code
93 mySeries << QPointF(0.5, 5.0)
94 mySeries << QPointF(0.5, 5.0)
94 << QPointF(1.0, 4.5);
95 << QPointF(1.0, 4.5);
95 \endcode
96 \endcode
96
97
97 */
98 */
98 QScatterSeries& QScatterSeries::operator << (const QPointF &value)
99 QScatterSeries& QScatterSeries::operator << (const QPointF &value)
99 {
100 {
100 d->m_data.append(value);
101 d->m_data.append(value);
101 emit changed();
102 emit changed();
102 return *this;
103 return *this;
103 }
104 }
104
105
105 /*!
106 /*!
106 Replaces the data of the series with the given list of data points.
107 Replaces the data of the series with the given list of data points.
107 */
108 */
108 void QScatterSeries::setData(QList<QPointF> data)
109 void QScatterSeries::setData(QList<QPointF> data)
109 {
110 {
110 d->m_data = data;
111 d->m_data = data;
111 emit changed();
112 emit changed();
112 }
113 }
113
114
114 /*!
115 /*!
115 Returns the current list of data points of the series.
116 Returns the current list of data points of the series.
116 */
117 */
117 QList<QPointF> QScatterSeries::data()
118 QList<QPointF> QScatterSeries::data()
118 {
119 {
119 return d->m_data;
120 return d->m_data;
120 }
121 }
121
122
122 /*!
123 /*!
123 Overrides the default pen used for drawing a marker item with a user defined pen. The default
124 Overrides the default pen used for drawing a marker item with a user defined pen. The default
124 pen is defined by chart theme setting.
125 pen is defined by chart theme setting.
125
126
126 For example:
127 For example:
127 \code
128 \code
128 QPen pen(QColor(0, 255, 0, 80), 3);
129 QPen pen(QColor(0, 255, 0, 80), 3);
129 myScatter->setMarkerPen(pen);
130 myScatter->setMarkerPen(pen);
130 \endcode
131 \endcode
131
132
132 Would present your scatter markers with an opaque, uglyish green outlines:
133 Would present your scatter markers with an opaque, uglyish green outlines:
133 \image scatter_example_pen.jpg
134 \image scatter_example_pen.jpg
134
135
135 \sa setMarkerBrush()
136 \sa setMarkerBrush()
136 \sa QChart::setTheme()
137 \sa QChart::setTheme()
137 */
138 */
138 void QScatterSeries::setMarkerPen(QPen pen)
139 void QScatterSeries::setMarkerPen(QPen pen)
139 {
140 {
140 d->m_markerPen = pen;
141 d->m_markerPen = pen;
141 }
142 }
142
143
143 /*!
144 /*!
144 Returns the pen used for drawing markers.
145 Returns the pen used for drawing markers.
145 */
146 */
146 QPen QScatterSeries::markerPen()
147 QPen QScatterSeries::markerPen()
147 {
148 {
148 return d->m_markerPen;
149 return d->m_markerPen;
149 }
150 }
150
151
151 /*!
152 /*!
152 Overrides the default brush of the marker items with a user defined brush. The default
153 Overrides the default brush of the marker items with a user defined brush. The default
153 brush is defined by chart theme setting.
154 brush is defined by chart theme setting.
154
155
155 For example:
156 For example:
156 \code
157 \code
157 QBrush brush(QColor(255, 0, 0, 100), Qt::SolidPattern);
158 QBrush brush(QColor(255, 0, 0, 100), Qt::SolidPattern);
158 myRandomScatter->setMarkerBrush(brush);
159 myRandomScatter->setMarkerBrush(brush);
159 \endcode
160 \endcode
160
161
161 Would fill your scatter markers with an opaque red color:
162 Would fill your scatter markers with an opaque red color:
162 \image scatter_example_brush.jpg
163 \image scatter_example_brush.jpg
163
164
164 \sa setMarkerPen()
165 \sa setMarkerPen()
165 \sa QChart::setTheme()
166 \sa QChart::setTheme()
166 */
167 */
167 void QScatterSeries::setMarkerBrush(QBrush brush)
168 void QScatterSeries::setMarkerBrush(QBrush brush)
168 {
169 {
169 d->m_markerBrush = brush;
170 d->m_markerBrush = brush;
170 }
171 }
171
172
172 /*!
173 /*!
173 Returns the brush used for drawing markers.
174 Returns the brush used for drawing markers.
174 */
175 */
175 QBrush QScatterSeries::markerBrush()
176 QBrush QScatterSeries::markerBrush()
176 {
177 {
177 return d->m_markerBrush;
178 return d->m_markerBrush;
178 }
179 }
179
180
180 /*!
181 /*!
181 Overrides the default shape of the marker items with a user defined shape. The default
182 Overrides the default shape of the marker items with a user defined shape. The default
182 shape is defined by chart theme setting.
183 shape is defined by chart theme setting.
183
184
184 For example:
185 For example:
185 \code
186 \code
186 myScatter->setMarkerShape(QScatterSeries::MarkerShapeRectangle);
187 myScatter->setMarkerShape(QScatterSeries::MarkerShapeRectangle);
187 \endcode
188 \endcode
188
189
189 Would make your scatter marker items rectangle:
190 Would make your scatter marker items rectangle:
190 \image scatter_example_shape.jpg
191 \image scatter_example_shape.jpg
191 */
192 */
192 void QScatterSeries::setMarkerShape(MarkerShape shape)
193 void QScatterSeries::setMarkerShape(MarkerShape shape)
193 {
194 {
194 d->m_markerShape = shape;
195 d->m_markerShape = shape;
195 }
196 }
196
197
197 /*!
198 /*!
198 Returns the shape used for drawing markers.
199 Returns the shape used for drawing markers.
199 */
200 */
200 QScatterSeries::MarkerShape QScatterSeries::markerShape()
201 QScatterSeries::MarkerShape QScatterSeries::markerShape()
201 {
202 {
202 return (QScatterSeries::MarkerShape) d->m_markerShape;
203 return (QScatterSeries::MarkerShape) d->m_markerShape;
203 }
204 }
204
205
205 #include "moc_qscatterseries.cpp"
206 #include "moc_qscatterseries.cpp"
206
207
207 QTCOMMERCIALCHART_END_NAMESPACE
208 QTCOMMERCIALCHART_END_NAMESPACE
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@@ -1,113 +1,157
1 #include "scatterpresenter_p.h"
1 #include "scatterpresenter_p.h"
2 #include "qscatterseries.h"
2 #include "qscatterseries.h"
3 #include <QPen>
3 #include <QPen>
4 #include <QPainter>
4 #include <QPainter>
5 #include <QGraphicsScene>
5 #include <QGraphicsScene>
6 #include <QDebug>
6 #include <QDebug>
7 #include <QTime>
7
8
8 QTCOMMERCIALCHART_BEGIN_NAMESPACE
9 QTCOMMERCIALCHART_BEGIN_NAMESPACE
9
10
10 ScatterPresenter::ScatterPresenter(QScatterSeries *series, QGraphicsObject *parent) :
11 ScatterPresenter::ScatterPresenter(QScatterSeries *series, QGraphicsObject *parent) :
11 ChartItem(parent),
12 ChartItem(parent),
12 m_series(series),
13 m_series(series),
13 m_boundingRect(),
14 m_boundingRect(),
14 //m_markerColor(QColor()),
15 //m_markerColor(QColor()),
15 // m_markerColor(QColor(255, 0, 0)),
16 // m_markerColor(QColor(255, 0, 0)),
16 m_visibleChartArea()
17 m_visibleChartArea()
17 {
18 {
18 if (parent)
19 if (parent)
19 m_boundingRect = parent->boundingRect();
20 m_boundingRect = parent->boundingRect();
20
21
21 if (series) {
22 if (series) {
22 connect(series, SIGNAL(changed()), this, SLOT(handleModelChanged()));
23 connect(series, SIGNAL(changed()), this, SLOT(handleModelChanged()));
23 }
24 }
24 }
25 }
25
26
26 void ScatterPresenter::handleDomainChanged(const Domain& domain)
27 void ScatterPresenter::handleDomainChanged(const Domain& domain)
27 {
28 {
28 m_visibleChartArea = domain;
29 m_visibleChartArea = domain;
29 changeGeometry();
30 changeGeometry();
30 }
31 }
31
32
32 void ScatterPresenter::handleGeometryChanged(const QRectF& rect)
33 void ScatterPresenter::handleGeometryChanged(const QRectF& rect)
33 {
34 {
34 m_boundingRect = rect;
35 m_boundingRect = rect;
35 changeGeometry();
36 changeGeometry();
36 }
37 }
37
38
38 void ScatterPresenter::handleModelChanged()
39 void ScatterPresenter::handleModelChanged()
39 {
40 {
40 // TODO: more fine grained modelChanged signaling
41 // TODO: more fine grained modelChanged signaling
41 changeGeometry();
42 changeGeometry();
42 }
43 }
43
44
44 void ScatterPresenter::paint(QPainter *painter, const QStyleOptionGraphicsItem */*option*/, QWidget */*widget*/)
45 void ScatterPresenter::paint(QPainter *painter, const QStyleOptionGraphicsItem */*option*/, QWidget */*widget*/)
45 {
46 {
46 // TODO: Optimization: avoid setting on every paint method call?
47 // TODO: Optimization: avoid setting on every paint method call?
47 // The custom settings in series override those defined by the theme
48 // The custom settings in series override those defined by the theme
48 if (m_series->markerPen().color().isValid())
49 int shape = m_series->markerShape();
49 painter->setPen(m_series->markerPen());
50
50 else
51 painter->save();
51 painter->setPen(m_markerPen);
52 painter->setClipRect(m_boundingRect);
53
54 // Paint dropshadow
55 QPen dropShadowPen(QColor(0, 0, 0, 70));
56 dropShadowPen.setWidth(3);
57 painter->setPen(dropShadowPen);
58 painter->setBrush(Qt::NoBrush);
59 painter->setRenderHint(QPainter::Antialiasing);
60 for (int i(0); i < m_scenex.count() && i < m_sceney.count(); i++) {
61 if (scene()->width() > m_scenex.at(i) && scene()->height() > m_sceney.at(i))
62 switch (shape) {
63 case QScatterSeries::MarkerShapeDefault:
64 // Fallthrough, defaults to circle
65 case QScatterSeries::MarkerShapeCircle:
66 painter->drawChord(m_scenex.at(i) + 2, m_sceney.at(i) + 2, 9, 9, 0, 5760);
67 break;
68 case QScatterSeries::MarkerShapePoint:
69 //painter->drawPoint(m_scenex.at(i), m_sceney.at(i));
70 break;
71 case QScatterSeries::MarkerShapeRectangle:
72 painter->drawRect(m_scenex.at(i) + 2, m_sceney.at(i) + 2, 8, 8);
73 break;
74 case QScatterSeries::MarkerShapeTiltedRectangle: {
75 // TODO:
76 static const QPointF points[4] = {
77 QPointF(-1.0 + m_scenex.at(i), 0.0 + m_sceney.at(i)),
78 QPointF(0.0 + m_scenex.at(i), 1.0 + m_sceney.at(i)),
79 QPointF(1.0 + m_scenex.at(i), 0.0 + m_sceney.at(i)),
80 QPointF(0.0 + m_scenex.at(i), -1.0 + m_sceney.at(i))
81 };
82 painter->drawPolygon(points, 4);
83 break;
84 }
85 default:
86 // TODO: implement the rest of the shapes
87 Q_ASSERT(false);
88 break;
89 }
90 }
52
91
92 // Paint the shape
93 QPen pen = m_markerPen;
94 if (m_series->markerPen().color().isValid())
95 pen = m_series->markerPen();
53 if (m_series->markerBrush().color().isValid())
96 if (m_series->markerBrush().color().isValid())
54 painter->setBrush(m_series->markerBrush());
97 painter->setBrush(m_series->markerBrush());
55 else
98 else
56 painter->setBrush(m_markerBrush);
99 painter->setBrush(m_markerBrush);
57
100 painter->setPen(pen);
58 int shape = m_series->markerShape();
101 painter->setRenderHint(QPainter::Antialiasing, false);
59
60 for (int i(0); i < m_scenex.count() && i < m_sceney.count(); i++) {
102 for (int i(0); i < m_scenex.count() && i < m_sceney.count(); i++) {
61 if (scene()->width() > m_scenex.at(i) && scene()->height() > m_sceney.at(i))
103 if (scene()->width() > m_scenex.at(i) && scene()->height() > m_sceney.at(i))
62 // Paint a shape
63 switch (shape) {
104 switch (shape) {
64 case QScatterSeries::MarkerShapeDefault:
105 case QScatterSeries::MarkerShapeDefault:
65 // Fallthrough, defaults to circle
106 // Fallthrough, defaults to circle
66 case QScatterSeries::MarkerShapeCircle:
107 case QScatterSeries::MarkerShapeCircle:
67 painter->drawChord(m_scenex.at(i), m_sceney.at(i), 9, 9, 0, 5760);
108 painter->drawChord(m_scenex.at(i), m_sceney.at(i), 9, 9, 0, 5760);
68 break;
109 break;
69 case QScatterSeries::MarkerShapePoint:
110 case QScatterSeries::MarkerShapePoint:
70 painter->drawPoint(m_scenex.at(i), m_sceney.at(i));
111 painter->drawPoint(m_scenex.at(i), m_sceney.at(i));
71 break;
112 break;
72 case QScatterSeries::MarkerShapeRectangle:
113 case QScatterSeries::MarkerShapeRectangle:
73 painter->drawRect(m_scenex.at(i), m_sceney.at(i), 9, 9);
114 painter->drawRect(m_scenex.at(i), m_sceney.at(i), 9, 9);
74 break;
115 break;
75 case QScatterSeries::MarkerShapeTiltedRectangle:
116 case QScatterSeries::MarkerShapeTiltedRectangle: {
76 // TODO:
117 // TODO:
77 static const QPointF points[4] = {
118 static const QPointF points[4] = {
78 QPointF(-1.0 + m_scenex.at(i), 0.0 + m_sceney.at(i)),
119 QPointF(-1.0 + m_scenex.at(i), 0.0 + m_sceney.at(i)),
79 QPointF(0.0 + m_scenex.at(i), 1.0 + m_sceney.at(i)),
120 QPointF(0.0 + m_scenex.at(i), 1.0 + m_sceney.at(i)),
80 QPointF(1.0 + m_scenex.at(i), 0.0 + m_sceney.at(i)),
121 QPointF(1.0 + m_scenex.at(i), 0.0 + m_sceney.at(i)),
81 QPointF(0.0 + m_scenex.at(i), -1.0 + m_sceney.at(i))
122 QPointF(0.0 + m_scenex.at(i), -1.0 + m_sceney.at(i))
82 };
123 };
83 painter->drawPolygon(points, 4);
124 painter->drawPolygon(points, 4);
84 break;
125 break;
126 }
85 default:
127 default:
86 // TODO: implement the rest of the shapes
128 // TODO: implement the rest of the shapes
87 Q_ASSERT(false);
129 Q_ASSERT(false);
88 break;
130 break;
89 }
131 }
90 }
132 }
133
134 painter->restore();
91 }
135 }
92
136
93 void ScatterPresenter::changeGeometry()
137 void ScatterPresenter::changeGeometry()
94 {
138 {
95 if (m_boundingRect.isValid()) {
139 if (m_boundingRect.isValid()) {
96
140
97 prepareGeometryChange();
141 prepareGeometryChange();
98 qreal scalex = m_boundingRect.width() / m_visibleChartArea.spanX();
142 qreal scalex = m_boundingRect.width() / m_visibleChartArea.spanX();
99 qreal scaley = m_boundingRect.height() / m_visibleChartArea.spanY();
143 qreal scaley = m_boundingRect.height() / m_visibleChartArea.spanY();
100 m_scenex.clear();
144 m_scenex.clear();
101 m_sceney.clear();
145 m_sceney.clear();
102
146
103 // Convert relative coordinates to absolute pixel coordinates that can be used for drawing
147 // Convert relative coordinates to absolute pixel coordinates that can be used for drawing
104 foreach (QPointF point, m_series->data()) {
148 foreach (QPointF point, m_series->data()) {
105 m_scenex.append(m_boundingRect.left() + point.x() * scalex - m_visibleChartArea.m_minX * scalex);
149 m_scenex.append(m_boundingRect.left() + point.x() * scalex - m_visibleChartArea.m_minX * scalex);
106 m_sceney.append(m_boundingRect.bottom() - point.y() * scaley + m_visibleChartArea.m_minY * scaley);
150 m_sceney.append(m_boundingRect.bottom() - point.y() * scaley + m_visibleChartArea.m_minY * scaley);
107 }
151 }
108 }
152 }
109 }
153 }
110
154
111 #include "moc_scatterpresenter_p.cpp"
155 #include "moc_scatterpresenter_p.cpp"
112
156
113 QTCOMMERCIALCHART_END_NAMESPACE
157 QTCOMMERCIALCHART_END_NAMESPACE
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@@ -1,65 +1,149
1 #include "dataseriedialog.h"
1 #include "dataseriedialog.h"
2 #include <QDialogButtonBox>
2 #include <QDialogButtonBox>
3 #include <QGridLayout>
3 #include <QGridLayout>
4 #include <QComboBox>
4 #include <QCheckbox>
5 #include <QPushButton>
5 #include <QPushButton>
6 #include <QGroupBox>
7 #include <QRadioButton>
6 #include <QLabel>
8 #include <QLabel>
7 #include <QDebug>
9 #include <QDebug>
8
10
9 DataSerieDialog::DataSerieDialog(QString defaultType, QWidget *parent) :
11 DataSerieDialog::DataSerieDialog(QString defaultType, QWidget *parent) :
10 QDialog(parent)
12 QDialog(parent)
11 {
13 {
12 // Combo box for selecting the series type
13 m_seriesTypeCombo = new QComboBox(this);
14 m_seriesTypeCombo->addItem("Line");
15 m_seriesTypeCombo->addItem("Area");
16 m_seriesTypeCombo->addItem("Bar");
17 m_seriesTypeCombo->addItem("StackedBar");
18 m_seriesTypeCombo->addItem("PercentBar");
19 m_seriesTypeCombo->addItem("Pie");
20 m_seriesTypeCombo->addItem("Scatter");
21 m_seriesTypeCombo->addItem("Spline");
22
23 // Allow pre-selection of a series type
24 if (defaultType != "") {
25 int index = m_seriesTypeCombo->findText(defaultType);
26 if (index > 0)
27 m_seriesTypeCombo->setCurrentIndex(index);
28 }
29
30 // Combo box for selecting data for the new series
31 m_testDataCombo = new QComboBox(this);
32 m_testDataCombo->addItem("linear");
33 m_testDataCombo->addItem("linear, 1M");
34 m_testDataCombo->addItem("SIN");
35 m_testDataCombo->addItem("SIN + random");
36 m_testDataCombo->addItem("Table, 5 series");
37 m_testDataCombo->addItem("TODO From file...");
38 m_testDataCombo->addItem("TODO From URL...");
39
40 QDialogButtonBox *addSeriesBox = new QDialogButtonBox(Qt::Horizontal);
14 QDialogButtonBox *addSeriesBox = new QDialogButtonBox(Qt::Horizontal);
41 QPushButton *b = addSeriesBox->addButton(QDialogButtonBox::Ok);
15 QPushButton *b = addSeriesBox->addButton(QDialogButtonBox::Ok);
42 connect(b, SIGNAL(clicked()), this, SLOT(accept()));
16 connect(b, SIGNAL(clicked()), this, SLOT(accept()));
43 b = addSeriesBox->addButton(QDialogButtonBox::Cancel);
17 b = addSeriesBox->addButton(QDialogButtonBox::Cancel);
44 connect(b, SIGNAL(clicked()), this, SLOT(reject()));
18 connect(b, SIGNAL(clicked()), this, SLOT(reject()));
45
19
46 QGridLayout *grid = new QGridLayout();
20 QGridLayout *grid = new QGridLayout();
47 grid->addWidget(new QLabel("Series type:"), 0, 0);
21
48 grid->addWidget(m_seriesTypeCombo, 0, 1);
22 m_seriesTypeSelector = seriesTypeSelector();
49 grid->addWidget(new QLabel("Data:"), 1, 0);
23 m_columnCountSelector = columnCountSelector();
50 grid->addWidget(m_testDataCombo, 1, 1);
24 m_rowCountSelector = rowCountSelector();
51 grid->addWidget(addSeriesBox, 2, 1);
25 m_dataCharacteristicsSelector = dataCharacteristicsSelector();
26
27 grid->addWidget(m_seriesTypeSelector, 0, 0);
28 grid->addWidget(m_columnCountSelector, 0, 1);
29 grid->addWidget(m_rowCountSelector, 1, 1);
30 grid->addWidget(m_dataCharacteristicsSelector, 1, 0);
31 m_labelsSelector = new QCheckBox("Labels defined");
32 m_labelsSelector->setChecked(true);
33 grid->addWidget(m_labelsSelector, 2, 0);
34 grid->addWidget(addSeriesBox, 3, 1);
52
35
53 setLayout(grid);
36 setLayout(grid);
54 }
37 }
55
38
39 QGroupBox *DataSerieDialog::seriesTypeSelector()
40 {
41 QVBoxLayout *layout = new QVBoxLayout();
42
43 QRadioButton *line = new QRadioButton("&Line");
44 QRadioButton *area = new QRadioButton("&Area");
45 QRadioButton *pie = new QRadioButton("&Pie");
46 QRadioButton *bar = new QRadioButton("&Bar");
47 QRadioButton *scatter = new QRadioButton("&Scatter");
48 QRadioButton *spline = new QRadioButton("Spl&ine");
49 line->setChecked(true);
50
51 layout->addWidget(line);
52 layout->addWidget(area);
53 layout->addWidget(pie);
54 layout->addWidget(bar);
55 layout->addWidget(scatter);
56 layout->addWidget(spline);
57
58 QGroupBox *groupBox = new QGroupBox("Series type");
59 groupBox->setLayout(layout);
60
61 return groupBox;
62 }
63
64 QGroupBox *DataSerieDialog::columnCountSelector()
65 {
66 QVBoxLayout *layout = new QVBoxLayout();
67
68 QRadioButton *radio = new QRadioButton("1");
69 radio->setChecked(true);
70 layout->addWidget(radio);
71 layout->addWidget(new QRadioButton("2"));
72 layout->addWidget(new QRadioButton("3"));
73 layout->addWidget(new QRadioButton("5"));
74 layout->addWidget(new QRadioButton("10"));
75 layout->addWidget(new QRadioButton("100"));
76
77 QGroupBox *groupBox = new QGroupBox("Column count");
78 groupBox->setLayout(layout);
79
80 return groupBox;
81 }
82
83 QGroupBox *DataSerieDialog::rowCountSelector()
84 {
85 QVBoxLayout *layout = new QVBoxLayout();
86
87 layout->addWidget(new QRadioButton("1"));
88 QRadioButton *radio = new QRadioButton("10");
89 radio->setChecked(true);
90 layout->addWidget(radio);
91 layout->addWidget(new QRadioButton("50"));
92 layout->addWidget(new QRadioButton("100"));
93 layout->addWidget(new QRadioButton("10000"));
94 layout->addWidget(new QRadioButton("1000000"));
95
96 QGroupBox *groupBox = new QGroupBox("Row count");
97 groupBox->setLayout(layout);
98
99 return groupBox;
100 }
101
102 QGroupBox *DataSerieDialog::dataCharacteristicsSelector()
103 {
104 QVBoxLayout *layout = new QVBoxLayout();
105
106 QRadioButton *radio1 = new QRadioButton("Linear");
107 radio1->setChecked(true);
108 layout->addWidget(radio1);
109 layout->addWidget(new QRadioButton("Constant"));
110 layout->addWidget(new QRadioButton("Random"));
111 layout->addWidget(new QRadioButton("Sin"));
112 layout->addWidget(new QRadioButton("Sin + random"));
113
114 QGroupBox *groupBox = new QGroupBox("Data Characteristics");
115 groupBox->setLayout(layout);
116
117 return groupBox;
118 }
119
56 void DataSerieDialog::accept()
120 void DataSerieDialog::accept()
57 {
121 {
58 accepted(m_seriesTypeCombo->currentText(), m_testDataCombo->currentText());
122 accepted(radioSelection(m_seriesTypeSelector),
123 radioSelection(m_columnCountSelector).toInt(),
124 radioSelection(m_rowCountSelector).toInt(),
125 radioSelection(m_dataCharacteristicsSelector),
126 m_labelsSelector->isChecked());
59 QDialog::accept();
127 QDialog::accept();
60 }
128 }
61 //void DataSerieDialog::addSeries(QAbstractButton *button)
129
62 //{
130 QString DataSerieDialog::radioSelection(QGroupBox *groupBox)
63 // addSeries(button->text().toAscii());
131 {
64 // accept();
132 QString selection;
65 //}
133 QVBoxLayout *layout = qobject_cast<QVBoxLayout *>(groupBox->layout());
134 Q_ASSERT(layout);
135
136 for (int i(0); i < layout->count(); i++) {
137 QLayoutItem *item = layout->itemAt(i);
138 Q_ASSERT(item);
139 QRadioButton *radio = qobject_cast<QRadioButton *>(item->widget());
140 Q_ASSERT(radio);
141 if (radio->isChecked()) {
142 selection = radio->text();
143 break;
144 }
145 }
146
147 qDebug() << "radioSelection: " << selection;
148 return selection;
149 }
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@@ -1,25 +1,34
1 #ifndef DATASERIEDIALOG_H
1 #ifndef DATASERIEDIALOG_H
2 #define DATASERIEDIALOG_H
2 #define DATASERIEDIALOG_H
3
3
4 #include <QDialog>
4 #include <QDialog>
5
5
6 class QComboBox;
6 class QGroupBox;
7 class QCheckBox;
7
8
8 class DataSerieDialog : public QDialog
9 class DataSerieDialog : public QDialog
9 {
10 {
10 Q_OBJECT
11 Q_OBJECT
11 public:
12 public:
12 explicit DataSerieDialog(QString defaultType, QWidget *parent = 0);
13 explicit DataSerieDialog(QString defaultType, QWidget *parent = 0);
13
14
14 signals:
15 signals:
15 void accepted(QString series, QString data);
16 void accepted(QString series, int columnCount, int rowCount, QString dataCharacteristics, bool labelsDefined);
16
17
17 public slots:
18 public slots:
18 void accept();
19 void accept();
19
20
20 private:
21 private:
21 QComboBox *m_seriesTypeCombo;
22 QGroupBox *seriesTypeSelector();
22 QComboBox *m_testDataCombo;
23 QGroupBox *columnCountSelector();
24 QGroupBox *rowCountSelector();
25 QGroupBox *dataCharacteristicsSelector();
26 QString radioSelection(QGroupBox *groupBox);
27 QGroupBox *m_seriesTypeSelector;
28 QGroupBox *m_columnCountSelector;
29 QGroupBox *m_rowCountSelector;
30 QCheckBox *m_labelsSelector;
31 QGroupBox *m_dataCharacteristicsSelector;
23 };
32 };
24
33
25 #endif // DATASERIEDIALOG_H
34 #endif // DATASERIEDIALOG_H
Show file before | Show file after | Hide comments
@@ -1,431 +1,343
1 #include "mainwidget.h"
1 #include "mainwidget.h"
2 #include "dataseriedialog.h"
2 #include "dataseriedialog.h"
3 #include "qchartseries.h"
3 #include "qchartseries.h"
4 #include "qpieseries.h"
4 #include "qpieseries.h"
5 #include "qscatterseries.h"
5 #include "qscatterseries.h"
6 #include <qlinechartseries.h>
6 #include <qlinechartseries.h>
7 #include <qbarset.h>
7 #include <qbarset.h>
8 #include <qbarcategory.h>
8 #include <qbarcategory.h>
9 #include <qbarchartseries.h>
9 #include <qbarchartseries.h>
10 #include <qstackedbarchartseries.h>
10 #include <qstackedbarchartseries.h>
11 #include <qpercentbarchartseries.h>
11 #include <qpercentbarchartseries.h>
12 #include <QPushButton>
12 #include <QPushButton>
13 #include <QComboBox>
13 #include <QComboBox>
14 #include <QSpinBox>
14 #include <QSpinBox>
15 #include <QCheckBox>
15 #include <QCheckBox>
16 #include <QGridLayout>
16 #include <QGridLayout>
17 #include <QHBoxLayout>
17 #include <QHBoxLayout>
18 #include <QLabel>
18 #include <QLabel>
19 #include <QSpacerItem>
19 #include <QSpacerItem>
20 #include <QMessageBox>
20 #include <QMessageBox>
21 #include <cmath>
21 #include <cmath>
22 #include <QDebug>
22 #include <QDebug>
23 #include <QStandardItemModel>
23 #include <QStandardItemModel>
24
24
25
25
26 QTCOMMERCIALCHART_USE_NAMESPACE
26 QTCOMMERCIALCHART_USE_NAMESPACE
27
27
28 MainWidget::MainWidget(QWidget *parent) :
28 MainWidget::MainWidget(QWidget *parent) :
29 QWidget(parent)
29 QWidget(parent)
30 {
30 {
31 m_chartWidget = new QChartView(this);
31 m_chartWidget = new QChartView(this);
32 m_chartWidget->setRubberBandPolicy(QChartView::HorizonalRubberBand);
32 m_chartWidget->setRubberBandPolicy(QChartView::HorizonalRubberBand);
33
33
34 // Grid layout for the controls for configuring the chart widget
34 // Grid layout for the controls for configuring the chart widget
35 QGridLayout *grid = new QGridLayout();
35 QGridLayout *grid = new QGridLayout();
36 QPushButton *addSeriesButton = new QPushButton("Add series");
36 QPushButton *addSeriesButton = new QPushButton("Add series");
37 connect(addSeriesButton, SIGNAL(clicked()), this, SLOT(addSeries()));
37 connect(addSeriesButton, SIGNAL(clicked()), this, SLOT(addSeries()));
38 grid->addWidget(addSeriesButton, 0, 1);
38 grid->addWidget(addSeriesButton, 0, 1);
39 initBackroundCombo(grid);
39 initBackroundCombo(grid);
40 initScaleControls(grid);
40 initScaleControls(grid);
41 initThemeCombo(grid);
41 initThemeCombo(grid);
42 QCheckBox *zoomCheckBox = new QCheckBox("Drag'n drop Zoom");
42 QCheckBox *zoomCheckBox = new QCheckBox("Drag'n drop Zoom");
43 connect(zoomCheckBox, SIGNAL(toggled(bool)), m_chartWidget, SLOT(setZoomEnabled(bool)));
43 connect(zoomCheckBox, SIGNAL(toggled(bool)), m_chartWidget, SLOT(setZoomEnabled(bool)));
44 zoomCheckBox->setChecked(true);
44 zoomCheckBox->setChecked(true);
45 grid->addWidget(zoomCheckBox, grid->rowCount(), 0);
45 grid->addWidget(zoomCheckBox, grid->rowCount(), 0);
46 // add row with empty label to make all the other rows static
46 // add row with empty label to make all the other rows static
47 grid->addWidget(new QLabel(""), grid->rowCount(), 0);
47 grid->addWidget(new QLabel(""), grid->rowCount(), 0);
48 grid->setRowStretch(grid->rowCount() - 1, 1);
48 grid->setRowStretch(grid->rowCount() - 1, 1);
49
49
50 // Another grid layout as a main layout
50 // Another grid layout as a main layout
51 QGridLayout *mainLayout = new QGridLayout();
51 QGridLayout *mainLayout = new QGridLayout();
52 mainLayout->addLayout(grid, 0, 0);
52 mainLayout->addLayout(grid, 0, 0);
53
53
54 // Init series type specific controls
54 // Init series type specific controls
55 initPieControls();
55 initPieControls();
56 mainLayout->addLayout(m_pieLayout, 2, 0);
56 mainLayout->addLayout(m_pieLayout, 2, 0);
57 // Scatter series specific settings
57 // Scatter series specific settings
58 // m_scatterLayout = new QGridLayout();
58 // m_scatterLayout = new QGridLayout();
59 // m_scatterLayout->addWidget(new QLabel("scatter"), 0, 0);
59 // m_scatterLayout->addWidget(new QLabel("scatter"), 0, 0);
60 // m_scatterLayout->setEnabled(false);
60 // m_scatterLayout->setEnabled(false);
61 // mainLayout->addLayout(m_scatterLayout, 1, 0);
61 // mainLayout->addLayout(m_scatterLayout, 1, 0);
62
62
63 // Add layouts and the chart widget to the main layout
63 // Add layouts and the chart widget to the main layout
64 mainLayout->addWidget(m_chartWidget, 0, 1, 3, 1);
64 mainLayout->addWidget(m_chartWidget, 0, 1, 3, 1);
65 setLayout(mainLayout);
65 setLayout(mainLayout);
66
67 // force an update to test data
68 testDataChanged(0);
69 }
66 }
70
67
71 // Combo box for selecting the chart's background
68 // Combo box for selecting the chart's background
72 void MainWidget::initBackroundCombo(QGridLayout *grid)
69 void MainWidget::initBackroundCombo(QGridLayout *grid)
73 {
70 {
74 QComboBox *backgroundCombo = new QComboBox(this);
71 QComboBox *backgroundCombo = new QComboBox(this);
75 backgroundCombo->addItem("Color");
72 backgroundCombo->addItem("Color");
76 backgroundCombo->addItem("Gradient");
73 backgroundCombo->addItem("Gradient");
77 backgroundCombo->addItem("Image");
74 backgroundCombo->addItem("Image");
78 connect(backgroundCombo, SIGNAL(currentIndexChanged(int)),
75 connect(backgroundCombo, SIGNAL(currentIndexChanged(int)),
79 this, SLOT(backgroundChanged(int)));
76 this, SLOT(backgroundChanged(int)));
80
77
81 grid->addWidget(new QLabel("Background:"), grid->rowCount(), 0);
78 grid->addWidget(new QLabel("Background:"), grid->rowCount(), 0);
82 grid->addWidget(backgroundCombo, grid->rowCount() - 1, 1);
79 grid->addWidget(backgroundCombo, grid->rowCount() - 1, 1);
83 }
80 }
84
81
85 // Scale related controls (auto-scale vs. manual min-max values)
82 // Scale related controls (auto-scale vs. manual min-max values)
86 void MainWidget::initScaleControls(QGridLayout *grid)
83 void MainWidget::initScaleControls(QGridLayout *grid)
87 {
84 {
88 m_autoScaleCheck = new QCheckBox("Automatic scaling");
85 m_autoScaleCheck = new QCheckBox("Automatic scaling");
89 connect(m_autoScaleCheck, SIGNAL(stateChanged(int)), this, SLOT(autoScaleChanged(int)));
86 connect(m_autoScaleCheck, SIGNAL(stateChanged(int)), this, SLOT(autoScaleChanged(int)));
90 // Allow setting also non-sense values (like -2147483648 and 2147483647)
87 // Allow setting also non-sense values (like -2147483648 and 2147483647)
91 m_xMinSpin = new QSpinBox();
88 m_xMinSpin = new QSpinBox();
92 m_xMinSpin->setMinimum(INT_MIN);
89 m_xMinSpin->setMinimum(INT_MIN);
93 m_xMinSpin->setMaximum(INT_MAX);
90 m_xMinSpin->setMaximum(INT_MAX);
94 m_xMinSpin->setValue(0);
91 m_xMinSpin->setValue(0);
95 connect(m_xMinSpin, SIGNAL(valueChanged(int)), this, SLOT(xMinChanged(int)));
92 connect(m_xMinSpin, SIGNAL(valueChanged(int)), this, SLOT(xMinChanged(int)));
96 m_xMaxSpin = new QSpinBox();
93 m_xMaxSpin = new QSpinBox();
97 m_xMaxSpin->setMinimum(INT_MIN);
94 m_xMaxSpin->setMinimum(INT_MIN);
98 m_xMaxSpin->setMaximum(INT_MAX);
95 m_xMaxSpin->setMaximum(INT_MAX);
99 m_xMaxSpin->setValue(10);
96 m_xMaxSpin->setValue(10);
100 connect(m_xMaxSpin, SIGNAL(valueChanged(int)), this, SLOT(xMaxChanged(int)));
97 connect(m_xMaxSpin, SIGNAL(valueChanged(int)), this, SLOT(xMaxChanged(int)));
101 m_yMinSpin = new QSpinBox();
98 m_yMinSpin = new QSpinBox();
102 m_yMinSpin->setMinimum(INT_MIN);
99 m_yMinSpin->setMinimum(INT_MIN);
103 m_yMinSpin->setMaximum(INT_MAX);
100 m_yMinSpin->setMaximum(INT_MAX);
104 m_yMinSpin->setValue(0);
101 m_yMinSpin->setValue(0);
105 connect(m_yMinSpin, SIGNAL(valueChanged(int)), this, SLOT(yMinChanged(int)));
102 connect(m_yMinSpin, SIGNAL(valueChanged(int)), this, SLOT(yMinChanged(int)));
106 m_yMaxSpin = new QSpinBox();
103 m_yMaxSpin = new QSpinBox();
107 m_yMaxSpin->setMinimum(INT_MIN);
104 m_yMaxSpin->setMinimum(INT_MIN);
108 m_yMaxSpin->setMaximum(INT_MAX);
105 m_yMaxSpin->setMaximum(INT_MAX);
109 m_yMaxSpin->setValue(10);
106 m_yMaxSpin->setValue(10);
110 connect(m_yMaxSpin, SIGNAL(valueChanged(int)), this, SLOT(yMaxChanged(int)));
107 connect(m_yMaxSpin, SIGNAL(valueChanged(int)), this, SLOT(yMaxChanged(int)));
111
108
112 grid->addWidget(m_autoScaleCheck, grid->rowCount(), 0);
109 grid->addWidget(m_autoScaleCheck, grid->rowCount(), 0);
113 grid->addWidget(new QLabel("x min:"), grid->rowCount(), 0);
110 grid->addWidget(new QLabel("x min:"), grid->rowCount(), 0);
114 grid->addWidget(m_xMinSpin, grid->rowCount() - 1, 1);
111 grid->addWidget(m_xMinSpin, grid->rowCount() - 1, 1);
115 grid->addWidget(new QLabel("x max:"), grid->rowCount(), 0);
112 grid->addWidget(new QLabel("x max:"), grid->rowCount(), 0);
116 grid->addWidget(m_xMaxSpin, grid->rowCount() - 1, 1);
113 grid->addWidget(m_xMaxSpin, grid->rowCount() - 1, 1);
117 grid->addWidget(new QLabel("y min:"), grid->rowCount(), 0);
114 grid->addWidget(new QLabel("y min:"), grid->rowCount(), 0);
118 grid->addWidget(m_yMinSpin, grid->rowCount() - 1, 1);
115 grid->addWidget(m_yMinSpin, grid->rowCount() - 1, 1);
119 grid->addWidget(new QLabel("y max:"), grid->rowCount(), 0);
116 grid->addWidget(new QLabel("y max:"), grid->rowCount(), 0);
120 grid->addWidget(m_yMaxSpin, grid->rowCount() - 1, 1);
117 grid->addWidget(m_yMaxSpin, grid->rowCount() - 1, 1);
121
118
122 m_autoScaleCheck->setChecked(true);
119 m_autoScaleCheck->setChecked(true);
123 }
120 }
124
121
125 // Combo box for selecting theme
122 // Combo box for selecting theme
126 void MainWidget::initThemeCombo(QGridLayout *grid)
123 void MainWidget::initThemeCombo(QGridLayout *grid)
127 {
124 {
128 QComboBox *chartTheme = new QComboBox();
125 QComboBox *chartTheme = new QComboBox();
129 chartTheme->addItem("Default");
126 chartTheme->addItem("Default");
130 chartTheme->addItem("Vanilla");
127 chartTheme->addItem("Vanilla");
131 chartTheme->addItem("Icy");
128 chartTheme->addItem("Icy");
132 chartTheme->addItem("Grayscale");
129 chartTheme->addItem("Grayscale");
133 chartTheme->addItem("Scientific");
130 chartTheme->addItem("Scientific");
134 chartTheme->addItem("Unnamed1");
131 chartTheme->addItem("Unnamed1");
135 connect(chartTheme, SIGNAL(currentIndexChanged(int)),
132 connect(chartTheme, SIGNAL(currentIndexChanged(int)),
136 this, SLOT(changeChartTheme(int)));
133 this, SLOT(changeChartTheme(int)));
137 grid->addWidget(new QLabel("Chart theme:"), 8, 0);
134 grid->addWidget(new QLabel("Chart theme:"), 8, 0);
138 grid->addWidget(chartTheme, 8, 1);
135 grid->addWidget(chartTheme, 8, 1);
139 }
136 }
140
137
141 void MainWidget::initPieControls()
138 void MainWidget::initPieControls()
142 {
139 {
143 // Pie series specific settings
140 // Pie series specific settings
144 // Pie size factory
141 // Pie size factory
145 QDoubleSpinBox *pieSizeSpin = new QDoubleSpinBox();
142 QDoubleSpinBox *pieSizeSpin = new QDoubleSpinBox();
146 pieSizeSpin->setMinimum(LONG_MIN);
143 pieSizeSpin->setMinimum(LONG_MIN);
147 pieSizeSpin->setMaximum(LONG_MAX);
144 pieSizeSpin->setMaximum(LONG_MAX);
148 pieSizeSpin->setValue(1.0);
145 pieSizeSpin->setValue(1.0);
149 pieSizeSpin->setSingleStep(0.1);
146 pieSizeSpin->setSingleStep(0.1);
150 connect(pieSizeSpin, SIGNAL(valueChanged(double)), this, SLOT(setPieSizeFactor(double)));
147 connect(pieSizeSpin, SIGNAL(valueChanged(double)), this, SLOT(setPieSizeFactor(double)));
151 // Pie position
148 // Pie position
152 QComboBox *piePosCombo = new QComboBox(this);
149 QComboBox *piePosCombo = new QComboBox(this);
153 piePosCombo->addItem("Maximized");
150 piePosCombo->addItem("Maximized");
154 piePosCombo->addItem("Top left");
151 piePosCombo->addItem("Top left");
155 piePosCombo->addItem("Top right");
152 piePosCombo->addItem("Top right");
156 piePosCombo->addItem("Bottom left");
153 piePosCombo->addItem("Bottom left");
157 piePosCombo->addItem("Bottom right");
154 piePosCombo->addItem("Bottom right");
158 connect(piePosCombo, SIGNAL(currentIndexChanged(int)),
155 connect(piePosCombo, SIGNAL(currentIndexChanged(int)),
159 this, SLOT(setPiePosition(int)));
156 this, SLOT(setPiePosition(int)));
160 m_pieLayout = new QGridLayout();
157 m_pieLayout = new QGridLayout();
161 m_pieLayout->setEnabled(false);
158 m_pieLayout->setEnabled(false);
162 m_pieLayout->addWidget(new QLabel("Pie size factor"), 0, 0);
159 m_pieLayout->addWidget(new QLabel("Pie size factor"), 0, 0);
163 m_pieLayout->addWidget(pieSizeSpin, 0, 1);
160 m_pieLayout->addWidget(pieSizeSpin, 0, 1);
164 m_pieLayout->addWidget(new QLabel("Pie position"), 1, 0);
161 m_pieLayout->addWidget(new QLabel("Pie position"), 1, 0);
165 m_pieLayout->addWidget(piePosCombo, 1, 1);
162 m_pieLayout->addWidget(piePosCombo, 1, 1);
166 }
163 }
167
164
168 void MainWidget::addSeries()
165 void MainWidget::addSeries()
169 {
166 {
170 DataSerieDialog dialog(m_defaultSeriesName, this);
167 DataSerieDialog dialog(m_defaultSeriesName, this);
171 connect(&dialog, SIGNAL(accepted(QString, QString)), this, SLOT(addSeries(QString, QString)));
168 connect(&dialog, SIGNAL(accepted(QString, int, int, QString, bool)),
169 this, SLOT(addSeries(QString, int, int, QString, bool)));
172 dialog.exec();
170 dialog.exec();
173 }
171 }
174
172
175 void MainWidget::addSeries(QString series, QString data)
173 QList<RealList> MainWidget::generateTestData(int columnCount, int rowCount, QString dataCharacteristics)
176 {
174 {
177 qDebug() << "addSeries: " << series << " data: " << data;
175 // TODO: dataCharacteristics
178 m_defaultSeriesName = series;
176 QList<RealList> testData;
179
177 for (int j(0); j < columnCount; j++) {
180 // TODO: a dedicated data class for storing x and y values
178 QList <qreal> newColumn;
181 QList<qreal> x;
179 for (int i(0); i < rowCount; i++) {
182 QList<qreal> y;
180 if (dataCharacteristics == "Sin") {
183
181 newColumn.append(abs(sin(3.14159265358979 / 50 * i) * 100));
184 QBarSet *set0 = new QBarSet;
182 } else if (dataCharacteristics == "Sin + random") {
185 QBarSet *set1 = new QBarSet;
183 newColumn.append(abs(sin(3.14159265358979 / 50 * i) * 100) + (rand() % 5));
186 QBarSet *set2 = new QBarSet;
184 } else if (dataCharacteristics == "Random") {
187 QBarSet *set3 = new QBarSet;
185 newColumn.append(rand() % 5);
188 QBarSet *set4 = new QBarSet;
186 } else if (dataCharacteristics == "Linear") {
189
187 //newColumn.append(i * (j + 1.0));
190 if (data == "linear") {
188 // TODO: temporary hack to make pie work; prevent zero values:
191 for (int i = 0; i < 20; i++) {
189 newColumn.append(i * (j + 1.0) + 0.1);
192 x.append(i);
190 } else { // "constant"
193 y.append(i);
191 newColumn.append((j + 1.0));
192 }
194 }
193 }
195 } else if (data == "linear, 1M") {
194 testData.append(newColumn);
196 // 1 million data points from 0.0001 to 100
195 }
197 // TODO: What is the requirement? Should we be able to show this kind of data with
196 return testData;
198 // reasonable performance, or can we expect the application developer to do "data mining"
197 }
199 // for us, so that the count of data points given to QtCommercial Chart is always
198
200 // reasonable?
199 QStringList MainWidget::generateLabels(int count)
201 for (qreal i = 0; i < 100; i += 0.0001) {
200 {
202 x.append(i);
201 QStringList result;
203 y.append(20);
202 for (int i(0); i < count; i++)
203 result.append("label" + QString::number(i));
204 return result;
205 }
206
207 void MainWidget::addSeries(QString seriesName, int columnCount, int rowCount, QString dataCharacteristics, bool labelsEnabled)
208 {
209 qDebug() << "addSeries: " << seriesName
210 << " columnCount: " << columnCount
211 << " rowCount: " << rowCount
212 << " dataCharacteristics: " << dataCharacteristics
213 << " labels enabled: " << labelsEnabled;
214 m_defaultSeriesName = seriesName;
215
216 QList<RealList> data = generateTestData(columnCount, rowCount, dataCharacteristics);
217
218 // Line series and scatter series use similar data
219 if (seriesName.contains("line", Qt::CaseInsensitive)) {
220 for (int j(0); j < data.count(); j ++) {
221 QList<qreal> column = data.at(j);
222 QLineChartSeries *series = new QLineChartSeries();
223 for (int i(0); i < column.count(); i++) {
224 series->add(i, column.at(i));
225 }
226 m_chartWidget->addSeries(series);
227 setCurrentSeries(series);
204 }
228 }
205 } else if (data == "SIN") {
229 } else if (seriesName.contains("scatter", Qt::CaseInsensitive)) {
206 for (int i = 0; i < 100; i++) {
230 for (int j(0); j < data.count(); j++) {
207 x.append(i);
231 QList<qreal> column = data.at(j);
208 y.append(abs(sin(3.14159265358979 / 50 * i) * 100));
232 QScatterSeries *series = new QScatterSeries();
233 for (int i(0); i < column.count(); i++) {
234 (*series) << QPointF(i, column.at(i));
235 }
236 m_chartWidget->addSeries(series);
237 setCurrentSeries(series);
209 }
238 }
210 } else if (data == "SIN + random") {
239 } else if (seriesName.contains("pie", Qt::CaseInsensitive)) {
211 for (qreal i = 0; i < 100; i += 0.1) {
240 QStringList labels = generateLabels(rowCount);
212 x.append(i + (rand() % 5));
241 for (int j(0); j < data.count(); j++) {
213 y.append(abs(sin(3.14159265358979 / 50 * i) * 100) + (rand() % 5));
242 QPieSeries *series = new QPieSeries();
243 QList<qreal> column = data.at(j);
244 for (int i(0); i < column.count(); i++) {
245 series->add(column.at(i), labels.at(i));
246 }
247 m_chartWidget->addSeries(series);
248 setCurrentSeries(series);
214 }
249 }
215 } else if (data == "Table, 5 series"){
216 // Create some test data to chart
217 *set0 << 1 << 2 << 3 << 4 << 5 << 6 << 7 << 8 << 9 << 10 << 11 << 12;
218 *set1 << 5 << 0 << 0 << 4 << 0 << 7 << 8 << 9 << 9 << 0 << 4 << 2;
219 *set2 << 3 << 5 << 8 << 13 << 8 << 5 << 3 << 2 << 1 << 1 << 3 << 5;
220 *set3 << 5 << 6 << 7 << 3 << 4 << 5 << 8 << 9 << 10 << 5 << 2 << 7;
221 *set4 << 9 << 7 << 5 << 3 << 1 << 2 << 4 << 6 << 8 << 10 << 1 << 6;
222 } else {
223 // TODO: check if data has a valid file name
224 Q_ASSERT(false);
225 }
226
227 // TODO: color of the series
228 QChartSeries *newSeries = 0;
229 if (series == "Scatter") {
230 QScatterSeries *scatter = new QScatterSeries();
231 for (int i(0); i < x.count() && i < y.count(); i++)
232 (*scatter) << QPointF(x.at(i), y.at(i));
233 m_chartWidget->addSeries(scatter);
234 } else if (series == "Pie") {
235 newSeries = new QPieSeries();
236 m_chartWidget->addSeries(newSeries);
237 Q_ASSERT(newSeries->setData(y));
238 } else if (series == "Line") {
239 // TODO: adding data to an existing line series does not give any visuals for some reason
240 // newSeries = m_chartWidget->createSeries(QChartSeries::SeriesTypeLine);
241 // QXYChartSeries *lineSeries = static_cast<QXYChartSeries *>(newSeries);
242 // lineSeries->setColor(Qt::blue);
243 // for (int i(0); i < x.count() && i < y.count(); i++) {
244 // lineSeries->add(x.at(i), y.at(i));
245 // }
246 //Q_ASSERT(newSeries->setData(x, y));
247 QLineChartSeries* series0 = new QLineChartSeries();
248 for (int i(0); i < x.count() && i < y.count(); i++)
249 series0->add(x.at(i), y.at(i));
250 m_chartWidget->addSeries(series0);
251 newSeries = series0;
252 } else if (series == "Bar") {
253 qDebug() << "Bar chart series";
254
255 QBarCategory *category = new QBarCategory;
256 *category << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "June" << "Jul" << "Aug" << "Sep" << "Oct" << "Nov" << "Dec";
257
258 QBarChartSeries* series0 = new QBarChartSeries(category, this);
259
260 series0->addBarSet(set0);
261 series0->addBarSet(set1);
262 series0->addBarSet(set2);
263 series0->addBarSet(set3);
264 series0->addBarSet(set4);
265
266 m_chartWidget->addSeries(series0);
267 newSeries = series0;
268 } else if (series == "StackedBar") {
269 qDebug() << "Stacked bar chart series";
270
271 QBarCategory *category = new QBarCategory;
272 *category << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "June" << "Jul" << "Aug" << "Sep" << "Oct" << "Nov" << "Dec";
273
274 QStackedBarChartSeries* series0 = new QStackedBarChartSeries(category, this);
275
276 series0->addBarSet(set0);
277 series0->addBarSet(set1);
278 series0->addBarSet(set2);
279 series0->addBarSet(set3);
280 series0->addBarSet(set4);
281
282 m_chartWidget->addSeries(series0);
283 newSeries = series0;
284 } else if (series == "PercentBar") {
285 qDebug() << "Percent bar chart series";
286
287 QBarCategory *category = new QBarCategory;
288 *category << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "June" << "Jul" << "Aug" << "Sep" << "Oct" << "Nov" << "Dec";
289
290 QPercentBarChartSeries* series0 = new QPercentBarChartSeries(category, this);
291
292 series0->addBarSet(set0);
293 series0->addBarSet(set1);
294 series0->addBarSet(set2);
295 series0->addBarSet(set3);
296 series0->addBarSet(set4);
297
298 m_chartWidget->addSeries(series0);
299 newSeries = series0;
300 } else {
301 qDebug() << "Something weird going on in MainWidget::addSeries";
302 }
250 }
303
251
304 setCurrentSeries(newSeries);
252 // TODO: bar and other...
305 }
253 }
306
254
307 void MainWidget::setCurrentSeries(QChartSeries *series)
255 void MainWidget::setCurrentSeries(QChartSeries *series)
308 {
256 {
309 if (series) {
257 if (series) {
310 m_currentSeries = series;
258 m_currentSeries = series;
311 switch (m_currentSeries->type()) {
259 switch (m_currentSeries->type()) {
312 case QChartSeries::SeriesTypeLine:
260 case QChartSeries::SeriesTypeLine:
313 break;
261 break;
314 case QChartSeries::SeriesTypeScatter:
262 case QChartSeries::SeriesTypeScatter:
315 break;
263 break;
316 case QChartSeries::SeriesTypePie:
264 case QChartSeries::SeriesTypePie:
317 break;
265 break;
318 case QChartSeries::SeriesTypeBar:
266 case QChartSeries::SeriesTypeBar:
319 qDebug() << "setCurrentSeries (bar)";
267 qDebug() << "setCurrentSeries (bar)";
320 break;
268 break;
321 case QChartSeries::SeriesTypeStackedBar:
269 case QChartSeries::SeriesTypeStackedBar:
322 qDebug() << "setCurrentSeries (Stackedbar)";
270 qDebug() << "setCurrentSeries (Stackedbar)";
323 break;
271 break;
324 case QChartSeries::SeriesTypePercentBar:
272 case QChartSeries::SeriesTypePercentBar:
325 qDebug() << "setCurrentSeries (Percentbar)";
273 qDebug() << "setCurrentSeries (Percentbar)";
326 break;
274 break;
327 default:
275 default:
328 Q_ASSERT(false);
276 Q_ASSERT(false);
329 break;
277 break;
330 }
278 }
331 }
279 }
332 }
280 }
333
281
334 void MainWidget::testDataChanged(int itemIndex)
335 {
336 qDebug() << "testDataChanged: " << itemIndex;
337
338 // switch (itemIndex) {
339 // case 0: {
340 // QList<QChartDataPoint> data;
341 // for (int x = 0; x < 20; x++) {
342 // data.append(QChartDataPoint() << x << x / 2);
343 // }
344 // m_chartWidget->setData(data);
345 // break;
346 // }
347 // case 1: {
348 // QList<QChartDataPoint> data;
349 // for (int x = 0; x < 100; x++) {
350 // data.append(QChartDataPoint() << x - 200 << 2 * (uint(sin(3.14159/50*x)*80) % 100));
351 // }
352 // m_chartWidget->setData(data);
353 // break;
354 // }
355 // case 2: {
356 // QList<QChartDataPoint> data;
357 // for (int x = 0; x < 1000; x++) {
358 // data.append(QChartDataPoint() << x - 200 << 2 * (uint(sin(3.14159/50*x)*80) % 100) + (rand() % 100 * 0.2));
359 // data.append(QChartDataPoint() << x - 200 << 2 * (uint(sin(3.14159/50*x)*80) % 100) + (rand() % 100 * 0.2));
360 // data.append(QChartDataPoint() << x - 200 << 2 * (uint(sin(3.14159/50*x)*80) % 100) + (rand() % 100 * 0.2));
361 // }
362 // m_chartWidget->setData(data);
363 // break;
364 // }
365 // default:
366 // break;
367 // }
368 }
369
370 void MainWidget::backgroundChanged(int itemIndex)
282 void MainWidget::backgroundChanged(int itemIndex)
371 {
283 {
372 qDebug() << "backgroundChanged: " << itemIndex;
284 qDebug() << "backgroundChanged: " << itemIndex;
373 }
285 }
374
286
375 void MainWidget::autoScaleChanged(int value)
287 void MainWidget::autoScaleChanged(int value)
376 {
288 {
377 if (value) {
289 if (value) {
378 // TODO: enable auto scaling
290 // TODO: enable auto scaling
379 } else {
291 } else {
380 // TODO: set scaling manually (and disable auto scaling)
292 // TODO: set scaling manually (and disable auto scaling)
381 }
293 }
382
294
383 m_xMinSpin->setEnabled(!value);
295 m_xMinSpin->setEnabled(!value);
384 m_xMaxSpin->setEnabled(!value);
296 m_xMaxSpin->setEnabled(!value);
385 m_yMinSpin->setEnabled(!value);
297 m_yMinSpin->setEnabled(!value);
386 m_yMaxSpin->setEnabled(!value);
298 m_yMaxSpin->setEnabled(!value);
387 }
299 }
388
300
389 void MainWidget::xMinChanged(int value)
301 void MainWidget::xMinChanged(int value)
390 {
302 {
391 qDebug() << "xMinChanged: " << value;
303 qDebug() << "xMinChanged: " << value;
392 }
304 }
393
305
394 void MainWidget::xMaxChanged(int value)
306 void MainWidget::xMaxChanged(int value)
395 {
307 {
396 qDebug() << "xMaxChanged: " << value;
308 qDebug() << "xMaxChanged: " << value;
397 }
309 }
398
310
399 void MainWidget::yMinChanged(int value)
311 void MainWidget::yMinChanged(int value)
400 {
312 {
401 qDebug() << "yMinChanged: " << value;
313 qDebug() << "yMinChanged: " << value;
402 }
314 }
403
315
404 void MainWidget::yMaxChanged(int value)
316 void MainWidget::yMaxChanged(int value)
405 {
317 {
406 qDebug() << "yMaxChanged: " << value;
318 qDebug() << "yMaxChanged: " << value;
407 }
319 }
408
320
409 void MainWidget::changeChartTheme(int themeIndex)
321 void MainWidget::changeChartTheme(int themeIndex)
410 {
322 {
411 qDebug() << "changeChartTheme: " << themeIndex;
323 qDebug() << "changeChartTheme: " << themeIndex;
412 m_chartWidget->setChartTheme((QChart::ChartTheme) themeIndex);
324 m_chartWidget->setChartTheme((QChart::ChartTheme) themeIndex);
413 //TODO: remove this hack. This is just to make it so that theme change is seen immediately.
325 //TODO: remove this hack. This is just to make it so that theme change is seen immediately.
414 QSize s = size();
326 QSize s = size();
415 s.setWidth(s.width()+1);
327 s.setWidth(s.width()+1);
416 resize(s);
328 resize(s);
417 }
329 }
418
330
419 void MainWidget::setPieSizeFactor(double size)
331 void MainWidget::setPieSizeFactor(double size)
420 {
332 {
421 QPieSeries *pie = qobject_cast<QPieSeries *>(m_currentSeries);
333 QPieSeries *pie = qobject_cast<QPieSeries *>(m_currentSeries);
422 if (pie)
334 if (pie)
423 pie->setSizeFactor(qreal(size));
335 pie->setSizeFactor(qreal(size));
424 }
336 }
425
337
426 void MainWidget::setPiePosition(int position)
338 void MainWidget::setPiePosition(int position)
427 {
339 {
428 QPieSeries *pie = qobject_cast<QPieSeries *>(m_currentSeries);
340 QPieSeries *pie = qobject_cast<QPieSeries *>(m_currentSeries);
429 if (pie)
341 if (pie)
430 pie->setPosition((QPieSeries::PiePosition) position);
342 pie->setPosition((QPieSeries::PiePosition) position);
431 }
343 }
Show file before | Show file after | Hide comments
@@ -1,56 +1,59
1 #ifndef MAINWIDGET_H
1 #ifndef MAINWIDGET_H
2 #define MAINWIDGET_H
2 #define MAINWIDGET_H
3
3
4 #include <qchartglobal.h>
4 #include <qchartglobal.h>
5 #include <qchartview.h>
5 #include <qchartview.h>
6 #include <QWidget>
6 #include <QWidget>
7
7
8 class QSpinBox;
8 class QSpinBox;
9 class QCheckBox;
9 class QCheckBox;
10 class QGridLayout;
10 class QGridLayout;
11
11
12 QTCOMMERCIALCHART_USE_NAMESPACE
12 QTCOMMERCIALCHART_USE_NAMESPACE
13
13
14 #define RealList QList<qreal>
15
14 class MainWidget : public QWidget
16 class MainWidget : public QWidget
15 {
17 {
16 Q_OBJECT
18 Q_OBJECT
17 public:
19 public:
18 explicit MainWidget(QWidget *parent = 0);
20 explicit MainWidget(QWidget *parent = 0);
19
21
20 signals:
22 signals:
21
23
22 private:
24 private:
23 void initBackroundCombo(QGridLayout *grid);
25 void initBackroundCombo(QGridLayout *grid);
24 void initScaleControls(QGridLayout *grid);
26 void initScaleControls(QGridLayout *grid);
25 void initThemeCombo(QGridLayout *grid);
27 void initThemeCombo(QGridLayout *grid);
26 void initPieControls();
28 void initPieControls();
27
29
28 private slots:
30 private slots:
29 void addSeries();
31 void addSeries();
30 void addSeries(QString series, QString data);
32 void addSeries(QString series, int columnCount, int rowCount, QString dataCharacteristics, bool labelsEnabled);
31 void testDataChanged(int itemIndex);
32 void backgroundChanged(int itemIndex);
33 void backgroundChanged(int itemIndex);
33 void autoScaleChanged(int value);
34 void autoScaleChanged(int value);
34 void xMinChanged(int value);
35 void xMinChanged(int value);
35 void xMaxChanged(int value);
36 void xMaxChanged(int value);
36 void yMinChanged(int value);
37 void yMinChanged(int value);
37 void yMaxChanged(int value);
38 void yMaxChanged(int value);
38 void setCurrentSeries(QChartSeries *series);
39 void setCurrentSeries(QChartSeries *series);
39 void changeChartTheme(int themeIndex);
40 void changeChartTheme(int themeIndex);
40 void setPieSizeFactor(double margin);
41 void setPieSizeFactor(double margin);
41 void setPiePosition(int position);
42 void setPiePosition(int position);
43 QList<RealList> generateTestData(int columnCount, int rowCount, QString dataCharacteristics);
44 QStringList generateLabels(int count);
42
45
43 private:
46 private:
44 QChartView *m_chartWidget;
47 QChartView *m_chartWidget;
45 QCheckBox *m_autoScaleCheck;
48 QCheckBox *m_autoScaleCheck;
46 QSpinBox *m_xMinSpin;
49 QSpinBox *m_xMinSpin;
47 QSpinBox *m_xMaxSpin;
50 QSpinBox *m_xMaxSpin;
48 QSpinBox *m_yMinSpin;
51 QSpinBox *m_yMinSpin;
49 QSpinBox *m_yMaxSpin;
52 QSpinBox *m_yMaxSpin;
50 QString m_defaultSeriesName;
53 QString m_defaultSeriesName;
51 QChartSeries *m_currentSeries;
54 QChartSeries *m_currentSeries;
52 QGridLayout *m_scatterLayout;
55 QGridLayout *m_scatterLayout;
53 QGridLayout *m_pieLayout;
56 QGridLayout *m_pieLayout;
54 };
57 };
55
58
56 #endif // MAINWIDGET_H
59 #endif // MAINWIDGET_H
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