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Rename pie series total() -> sum() to be consistent with bar series.
Jani Honkonen -
r939:8c748f062756
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@@ -1,77 +1,77
1 /****************************************************************************
1 /****************************************************************************
2 **
2 **
3 ** Copyright (C) 2012 Digia Plc
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
8 **
9 ** $QT_BEGIN_LICENSE$
9 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
13 ** a written agreement between you and Digia.
14 **
14 **
15 ** If you have questions regarding the use of this file, please use
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
17 ** $QT_END_LICENSE$
18 **
18 **
19 ****************************************************************************/
19 ****************************************************************************/
20
20
21 #include "drilldownchart.h"
21 #include "drilldownchart.h"
22 #include "drilldownslice.h"
22 #include "drilldownslice.h"
23 #include <QtGui/QApplication>
23 #include <QtGui/QApplication>
24 #include <QMainWindow>
24 #include <QMainWindow>
25 #include <QTime>
25 #include <QTime>
26 #include <QChartView>
26 #include <QChartView>
27 #include <QLegend>
27 #include <QLegend>
28 #include <QPieSeries>
28 #include <QPieSeries>
29
29
30 QTCOMMERCIALCHART_USE_NAMESPACE
30 QTCOMMERCIALCHART_USE_NAMESPACE
31
31
32 int main(int argc, char *argv[])
32 int main(int argc, char *argv[])
33 {
33 {
34 QApplication a(argc, argv);
34 QApplication a(argc, argv);
35
35
36 qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
36 qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
37
37
38 QMainWindow window;
38 QMainWindow window;
39
39
40 DrilldownChart* chart = new DrilldownChart();
40 DrilldownChart* chart = new DrilldownChart();
41 chart->setTheme(QChart::ChartThemeLight);
41 chart->setTheme(QChart::ChartThemeLight);
42 chart->setAnimationOptions(QChart::AllAnimations);
42 chart->setAnimationOptions(QChart::AllAnimations);
43 chart->legend()->setVisible(true);
43 chart->legend()->setVisible(true);
44 chart->legend()->setAlignment(QLegend::AlignmentRight);
44 chart->legend()->setAlignment(QLegend::AlignmentRight);
45
45
46 QPieSeries* yearSeries = new QPieSeries(&window);
46 QPieSeries* yearSeries = new QPieSeries(&window);
47 yearSeries->setName("Sales by year - All");
47 yearSeries->setName("Sales by year - All");
48
48
49 QList<QString> months;
49 QList<QString> months;
50 months << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun" << "Jul" << "Aug" << "Sep" << "Oct" << "Nov" << "Dec";
50 months << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun" << "Jul" << "Aug" << "Sep" << "Oct" << "Nov" << "Dec";
51 QList<QString> names;
51 QList<QString> names;
52 names << "Jane" << "John" << "Axel" << "Mary" << "Susan" << "Bob";
52 names << "Jane" << "John" << "Axel" << "Mary" << "Susan" << "Bob";
53
53
54 foreach (QString name, names) {
54 foreach (QString name, names) {
55 QPieSeries* series = new QPieSeries(&window);
55 QPieSeries* series = new QPieSeries(&window);
56 series->setName("Sales by month - " + name);
56 series->setName("Sales by month - " + name);
57
57
58 foreach (QString month, months)
58 foreach (QString month, months)
59 *series << new DrilldownSlice(qrand() % 1000, month, yearSeries);
59 *series << new DrilldownSlice(qrand() % 1000, month, yearSeries);
60
60
61 QObject::connect(series, SIGNAL(clicked(QPieSlice*, Qt::MouseButtons)), chart, SLOT(handleSliceClicked(QPieSlice*)));
61 QObject::connect(series, SIGNAL(clicked(QPieSlice*, Qt::MouseButtons)), chart, SLOT(handleSliceClicked(QPieSlice*)));
62
62
63 *yearSeries << new DrilldownSlice(series->total(), name, series);
63 *yearSeries << new DrilldownSlice(series->sum(), name, series);
64 }
64 }
65
65
66 QObject::connect(yearSeries, SIGNAL(clicked(QPieSlice*, Qt::MouseButtons)), chart, SLOT(handleSliceClicked(QPieSlice*)));
66 QObject::connect(yearSeries, SIGNAL(clicked(QPieSlice*, Qt::MouseButtons)), chart, SLOT(handleSliceClicked(QPieSlice*)));
67
67
68 chart->changeSeries(yearSeries);
68 chart->changeSeries(yearSeries);
69
69
70 QChartView* chartView = new QChartView(chart);
70 QChartView* chartView = new QChartView(chart);
71 chartView->setRenderHint(QPainter::Antialiasing);
71 chartView->setRenderHint(QPainter::Antialiasing);
72 window.setCentralWidget(chartView);
72 window.setCentralWidget(chartView);
73 window.resize(800, 500);
73 window.resize(800, 500);
74 window.show();
74 window.show();
75
75
76 return a.exec();
76 return a.exec();
77 }
77 }
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@@ -1,701 +1,701
1 /****************************************************************************
1 /****************************************************************************
2 **
2 **
3 ** Copyright (C) 2012 Digia Plc
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
8 **
9 ** $QT_BEGIN_LICENSE$
9 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
13 ** a written agreement between you and Digia.
14 **
14 **
15 ** If you have questions regarding the use of this file, please use
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
17 ** $QT_END_LICENSE$
18 **
18 **
19 ****************************************************************************/
19 ****************************************************************************/
20
20
21 #include "qpieseries.h"
21 #include "qpieseries.h"
22 #include "qpieseries_p.h"
22 #include "qpieseries_p.h"
23 #include "qpieslice.h"
23 #include "qpieslice.h"
24 #include "pieslicedata_p.h"
24 #include "pieslicedata_p.h"
25 #include <QAbstractItemModel>
25 #include <QAbstractItemModel>
26 #include <QDebug>
26 #include <QDebug>
27
27
28 QTCOMMERCIALCHART_BEGIN_NAMESPACE
28 QTCOMMERCIALCHART_BEGIN_NAMESPACE
29
29
30 /*!
30 /*!
31 \class QPieSeries
31 \class QPieSeries
32 \brief Pie series API for QtCommercial Charts
32 \brief Pie series API for QtCommercial Charts
33
33
34 The pie series defines a pie chart which consists of pie slices which are QPieSlice objects.
34 The pie series defines a pie chart which consists of pie slices which are QPieSlice objects.
35 The slices can have any values as the QPieSeries will calculate its relative value to the sum of all slices.
35 The slices can have any values as the QPieSeries will calculate its relative value to the sum of all slices.
36 The actual slice size is determined by that relative value.
36 The actual slice size is determined by that relative value.
37
37
38 By default the pie is defined as a full pie but it can be a partial pie.
38 By default the pie is defined as a full pie but it can be a partial pie.
39 This can be done by setting a starting angle and angle span to the series.
39 This can be done by setting a starting angle and angle span to the series.
40 */
40 */
41
41
42 /*!
42 /*!
43 \property QPieSeries::horizontalPosition
43 \property QPieSeries::horizontalPosition
44 \brief Defines the horizontal position of the pie.
44 \brief Defines the horizontal position of the pie.
45
45
46 The value is a relative value to the chart rectangle where:
46 The value is a relative value to the chart rectangle where:
47
47
48 \list
48 \list
49 \o 0.0 is the absolute left.
49 \o 0.0 is the absolute left.
50 \o 1.0 is the absolute right.
50 \o 1.0 is the absolute right.
51 \endlist
51 \endlist
52
52
53 Default value is 0.5 (center).
53 Default value is 0.5 (center).
54 */
54 */
55
55
56 /*!
56 /*!
57 \property QPieSeries::verticalPosition
57 \property QPieSeries::verticalPosition
58 \brief Defines the vertical position of the pie.
58 \brief Defines the vertical position of the pie.
59
59
60 The value is a relative value to the chart rectangle where:
60 The value is a relative value to the chart rectangle where:
61
61
62 \list
62 \list
63 \o 0.0 is the absolute top.
63 \o 0.0 is the absolute top.
64 \o 1.0 is the absolute bottom.
64 \o 1.0 is the absolute bottom.
65 \endlist
65 \endlist
66
66
67 Default value is 0.5 (center).
67 Default value is 0.5 (center).
68 */
68 */
69
69
70 /*!
70 /*!
71 \property QPieSeries::size
71 \property QPieSeries::size
72 \brief Defines the pie size.
72 \brief Defines the pie size.
73
73
74 The value is a relative value to the chart rectangle where:
74 The value is a relative value to the chart rectangle where:
75
75
76 \list
76 \list
77 \o 0.0 is the minumum size (pie not drawn).
77 \o 0.0 is the minumum size (pie not drawn).
78 \o 1.0 is the maximum size that can fit the chart.
78 \o 1.0 is the maximum size that can fit the chart.
79 \endlist
79 \endlist
80
80
81 Default value is 0.7.
81 Default value is 0.7.
82 */
82 */
83
83
84 /*!
84 /*!
85 \property QPieSeries::startAngle
85 \property QPieSeries::startAngle
86 \brief Defines the starting angle of the pie.
86 \brief Defines the starting angle of the pie.
87
87
88 Full pie is 360 degrees where 0 degrees is at 12 a'clock.
88 Full pie is 360 degrees where 0 degrees is at 12 a'clock.
89
89
90 Default is value is 0.
90 Default is value is 0.
91 */
91 */
92
92
93 /*!
93 /*!
94 \property QPieSeries::endAngle
94 \property QPieSeries::endAngle
95 \brief Defines the ending angle of the pie.
95 \brief Defines the ending angle of the pie.
96
96
97 Full pie is 360 degrees where 0 degrees is at 12 a'clock.
97 Full pie is 360 degrees where 0 degrees is at 12 a'clock.
98
98
99 Default is value is 360.
99 Default is value is 360.
100 */
100 */
101
101
102
102
103 /*!
103 /*!
104 Constructs a series object which is a child of \a parent.
104 Constructs a series object which is a child of \a parent.
105 */
105 */
106 QPieSeries::QPieSeries(QObject *parent) :
106 QPieSeries::QPieSeries(QObject *parent) :
107 QSeries(*new QPieSeriesPrivate(this),parent)
107 QSeries(*new QPieSeriesPrivate(this),parent)
108 {
108 {
109
109
110 }
110 }
111
111
112 /*!
112 /*!
113 Destroys the series and its slices.
113 Destroys the series and its slices.
114 */
114 */
115 QPieSeries::~QPieSeries()
115 QPieSeries::~QPieSeries()
116 {
116 {
117 // NOTE: d_prt destroyed by QObject
117 // NOTE: d_prt destroyed by QObject
118 }
118 }
119
119
120 /*!
120 /*!
121 Returns QChartSeries::SeriesTypePie.
121 Returns QChartSeries::SeriesTypePie.
122 */
122 */
123 QSeries::QSeriesType QPieSeries::type() const
123 QSeries::QSeriesType QPieSeries::type() const
124 {
124 {
125 return QSeries::SeriesTypePie;
125 return QSeries::SeriesTypePie;
126 }
126 }
127
127
128 /*!
128 /*!
129 Sets an array of \a slices to the series replacing the existing slices.
129 Sets an array of \a slices to the series replacing the existing slices.
130 Slice ownership is passed to the series.
130 Slice ownership is passed to the series.
131 */
131 */
132 void QPieSeries::replace(QList<QPieSlice*> slices)
132 void QPieSeries::replace(QList<QPieSlice*> slices)
133 {
133 {
134 clear();
134 clear();
135 append(slices);
135 append(slices);
136 }
136 }
137
137
138 /*!
138 /*!
139 Appends an array of \a slices to the series.
139 Appends an array of \a slices to the series.
140 Slice ownership is passed to the series.
140 Slice ownership is passed to the series.
141 */
141 */
142 void QPieSeries::append(QList<QPieSlice*> slices)
142 void QPieSeries::append(QList<QPieSlice*> slices)
143 {
143 {
144 Q_D(QPieSeries);
144 Q_D(QPieSeries);
145
145
146 foreach (QPieSlice* s, slices) {
146 foreach (QPieSlice* s, slices) {
147 s->setParent(this);
147 s->setParent(this);
148 d->m_slices << s;
148 d->m_slices << s;
149 }
149 }
150
150
151 d->updateDerivativeData();
151 d->updateDerivativeData();
152
152
153 foreach (QPieSlice* s, slices) {
153 foreach (QPieSlice* s, slices) {
154 connect(s, SIGNAL(changed()), d, SLOT(sliceChanged()));
154 connect(s, SIGNAL(changed()), d, SLOT(sliceChanged()));
155 connect(s, SIGNAL(clicked(Qt::MouseButtons)), d, SLOT(sliceClicked(Qt::MouseButtons)));
155 connect(s, SIGNAL(clicked(Qt::MouseButtons)), d, SLOT(sliceClicked(Qt::MouseButtons)));
156 connect(s, SIGNAL(hoverEnter()), d, SLOT(sliceHoverEnter()));
156 connect(s, SIGNAL(hoverEnter()), d, SLOT(sliceHoverEnter()));
157 connect(s, SIGNAL(hoverLeave()), d, SLOT(sliceHoverLeave()));
157 connect(s, SIGNAL(hoverLeave()), d, SLOT(sliceHoverLeave()));
158 }
158 }
159
159
160 emit added(slices);
160 emit added(slices);
161 }
161 }
162
162
163 /*!
163 /*!
164 Appends a single \a slice to the series.
164 Appends a single \a slice to the series.
165 Slice ownership is passed to the series.
165 Slice ownership is passed to the series.
166 */
166 */
167 void QPieSeries::append(QPieSlice* slice)
167 void QPieSeries::append(QPieSlice* slice)
168 {
168 {
169 append(QList<QPieSlice*>() << slice);
169 append(QList<QPieSlice*>() << slice);
170 }
170 }
171
171
172 /*!
172 /*!
173 Appends a single \a slice to the series and returns a reference to the series.
173 Appends a single \a slice to the series and returns a reference to the series.
174 Slice ownership is passed to the series.
174 Slice ownership is passed to the series.
175 */
175 */
176 QPieSeries& QPieSeries::operator << (QPieSlice* slice)
176 QPieSeries& QPieSeries::operator << (QPieSlice* slice)
177 {
177 {
178 append(slice);
178 append(slice);
179 return *this;
179 return *this;
180 }
180 }
181
181
182
182
183 /*!
183 /*!
184 Appends a single slice to the series with give \a value and \a name.
184 Appends a single slice to the series with give \a value and \a name.
185 Slice ownership is passed to the series.
185 Slice ownership is passed to the series.
186 */
186 */
187 QPieSlice* QPieSeries::append(qreal value, QString name)
187 QPieSlice* QPieSeries::append(qreal value, QString name)
188 {
188 {
189 QPieSlice* slice = new QPieSlice(value, name);
189 QPieSlice* slice = new QPieSlice(value, name);
190 append(slice);
190 append(slice);
191 return slice;
191 return slice;
192 }
192 }
193
193
194 /*!
194 /*!
195 Inserts a single \a slice to the series before the slice at \a index position.
195 Inserts a single \a slice to the series before the slice at \a index position.
196 Slice ownership is passed to the series.
196 Slice ownership is passed to the series.
197 */
197 */
198 void QPieSeries::insert(int index, QPieSlice* slice)
198 void QPieSeries::insert(int index, QPieSlice* slice)
199 {
199 {
200 Q_D(QPieSeries);
200 Q_D(QPieSeries);
201 Q_ASSERT(index <= d->m_slices.count());
201 Q_ASSERT(index <= d->m_slices.count());
202 slice->setParent(this);
202 slice->setParent(this);
203 d->m_slices.insert(index, slice);
203 d->m_slices.insert(index, slice);
204
204
205 d->updateDerivativeData();
205 d->updateDerivativeData();
206
206
207 connect(slice, SIGNAL(changed()), d, SLOT(sliceChanged()));
207 connect(slice, SIGNAL(changed()), d, SLOT(sliceChanged()));
208 connect(slice, SIGNAL(clicked(Qt::MouseButtons)), d, SLOT(sliceClicked(Qt::MouseButtons)));
208 connect(slice, SIGNAL(clicked(Qt::MouseButtons)), d, SLOT(sliceClicked(Qt::MouseButtons)));
209 connect(slice, SIGNAL(hoverEnter()), d, SLOT(sliceHoverEnter()));
209 connect(slice, SIGNAL(hoverEnter()), d, SLOT(sliceHoverEnter()));
210 connect(slice, SIGNAL(hoverLeave()), d, SLOT(sliceHoverLeave()));
210 connect(slice, SIGNAL(hoverLeave()), d, SLOT(sliceHoverLeave()));
211
211
212 emit added(QList<QPieSlice*>() << slice);
212 emit added(QList<QPieSlice*>() << slice);
213 }
213 }
214
214
215 /*!
215 /*!
216 Removes a single \a slice from the series and deletes the slice.
216 Removes a single \a slice from the series and deletes the slice.
217
217
218 Do not reference this pointer after this call.
218 Do not reference this pointer after this call.
219 */
219 */
220 void QPieSeries::remove(QPieSlice* slice)
220 void QPieSeries::remove(QPieSlice* slice)
221 {
221 {
222 Q_D(QPieSeries);
222 Q_D(QPieSeries);
223 if (!d->m_slices.removeOne(slice)) {
223 if (!d->m_slices.removeOne(slice)) {
224 Q_ASSERT(0); // TODO: how should this be reported?
224 Q_ASSERT(0); // TODO: how should this be reported?
225 return;
225 return;
226 }
226 }
227
227
228 d->updateDerivativeData();
228 d->updateDerivativeData();
229
229
230 emit removed(QList<QPieSlice*>() << slice);
230 emit removed(QList<QPieSlice*>() << slice);
231
231
232 delete slice;
232 delete slice;
233 slice = 0;
233 slice = 0;
234 }
234 }
235
235
236 /*!
236 /*!
237 Clears all slices from the series.
237 Clears all slices from the series.
238 */
238 */
239 void QPieSeries::clear()
239 void QPieSeries::clear()
240 {
240 {
241 Q_D(QPieSeries);
241 Q_D(QPieSeries);
242 if (d->m_slices.count() == 0)
242 if (d->m_slices.count() == 0)
243 return;
243 return;
244
244
245 QList<QPieSlice*> slices = d->m_slices;
245 QList<QPieSlice*> slices = d->m_slices;
246 foreach (QPieSlice* s, d->m_slices) {
246 foreach (QPieSlice* s, d->m_slices) {
247 d->m_slices.removeOne(s);
247 d->m_slices.removeOne(s);
248 delete s;
248 delete s;
249 }
249 }
250
250
251 d->updateDerivativeData();
251 d->updateDerivativeData();
252
252
253 emit removed(slices);
253 emit removed(slices);
254 }
254 }
255
255
256 /*!
256 /*!
257 returns the number of the slices in this series.
257 returns the number of the slices in this series.
258 */
258 */
259 int QPieSeries::count() const
259 int QPieSeries::count() const
260 {
260 {
261 Q_D(const QPieSeries);
261 Q_D(const QPieSeries);
262 return d->m_slices.count();
262 return d->m_slices.count();
263 }
263 }
264
264
265 /*!
265 /*!
266 Returns true is the series is empty.
266 Returns true is the series is empty.
267 */
267 */
268 bool QPieSeries::isEmpty() const
268 bool QPieSeries::isEmpty() const
269 {
269 {
270 Q_D(const QPieSeries);
270 Q_D(const QPieSeries);
271 return d->m_slices.isEmpty();
271 return d->m_slices.isEmpty();
272 }
272 }
273
273
274 /*!
274 /*!
275 Returns a list of slices that belong to this series.
275 Returns a list of slices that belong to this series.
276 */
276 */
277 QList<QPieSlice*> QPieSeries::slices() const
277 QList<QPieSlice*> QPieSeries::slices() const
278 {
278 {
279 Q_D(const QPieSeries);
279 Q_D(const QPieSeries);
280 return d->m_slices;
280 return d->m_slices;
281 }
281 }
282
282
283 void QPieSeries::setHorizontalPosition(qreal relativePosition)
283 void QPieSeries::setHorizontalPosition(qreal relativePosition)
284 {
284 {
285 Q_D(QPieSeries);
285 Q_D(QPieSeries);
286 if (d->setRealValue(d->m_pieRelativeHorPos, relativePosition, 1.0))
286 if (d->setRealValue(d->m_pieRelativeHorPos, relativePosition, 1.0))
287 emit piePositionChanged();
287 emit piePositionChanged();
288 }
288 }
289
289
290 void QPieSeries::setVerticalPosition(qreal relativePosition)
290 void QPieSeries::setVerticalPosition(qreal relativePosition)
291 {
291 {
292 Q_D(QPieSeries);
292 Q_D(QPieSeries);
293 if (d->setRealValue(d->m_pieRelativeVerPos, relativePosition, 1.0))
293 if (d->setRealValue(d->m_pieRelativeVerPos, relativePosition, 1.0))
294 emit piePositionChanged();
294 emit piePositionChanged();
295 }
295 }
296
296
297 qreal QPieSeries::horizontalPosition() const
297 qreal QPieSeries::horizontalPosition() const
298 {
298 {
299 Q_D(const QPieSeries);
299 Q_D(const QPieSeries);
300 return d->m_pieRelativeHorPos;
300 return d->m_pieRelativeHorPos;
301 }
301 }
302
302
303 qreal QPieSeries::verticalPosition() const
303 qreal QPieSeries::verticalPosition() const
304 {
304 {
305 Q_D(const QPieSeries);
305 Q_D(const QPieSeries);
306 return d->m_pieRelativeVerPos;
306 return d->m_pieRelativeVerPos;
307 }
307 }
308
308
309 void QPieSeries::setPieSize(qreal relativeSize)
309 void QPieSeries::setPieSize(qreal relativeSize)
310 {
310 {
311 Q_D(QPieSeries);
311 Q_D(QPieSeries);
312 if (d->setRealValue(d->m_pieRelativeSize, relativeSize, 1.0))
312 if (d->setRealValue(d->m_pieRelativeSize, relativeSize, 1.0))
313 emit pieSizeChanged();
313 emit pieSizeChanged();
314 }
314 }
315
315
316 qreal QPieSeries::pieSize() const
316 qreal QPieSeries::pieSize() const
317 {
317 {
318 Q_D(const QPieSeries);
318 Q_D(const QPieSeries);
319 return d->m_pieRelativeSize;
319 return d->m_pieRelativeSize;
320 }
320 }
321
321
322
322
323 void QPieSeries::setPieStartAngle(qreal angle)
323 void QPieSeries::setPieStartAngle(qreal angle)
324 {
324 {
325 Q_D(QPieSeries);
325 Q_D(QPieSeries);
326 if (d->setRealValue(d->m_pieStartAngle, angle, d->m_pieEndAngle))
326 if (d->setRealValue(d->m_pieStartAngle, angle, d->m_pieEndAngle))
327 d->updateDerivativeData();
327 d->updateDerivativeData();
328 }
328 }
329
329
330 qreal QPieSeries::pieStartAngle() const
330 qreal QPieSeries::pieStartAngle() const
331 {
331 {
332 Q_D(const QPieSeries);
332 Q_D(const QPieSeries);
333 return d->m_pieStartAngle;
333 return d->m_pieStartAngle;
334 }
334 }
335
335
336 /*!
336 /*!
337 Sets the end angle of the pie.
337 Sets the end angle of the pie.
338
338
339 Full pie is 360 degrees where 0 degrees is at 12 a'clock.
339 Full pie is 360 degrees where 0 degrees is at 12 a'clock.
340
340
341 \a angle must be greater than start angle.
341 \a angle must be greater than start angle.
342
342
343 \sa pieEndAngle(), pieStartAngle(), setPieStartAngle()
343 \sa pieEndAngle(), pieStartAngle(), setPieStartAngle()
344 */
344 */
345 void QPieSeries::setPieEndAngle(qreal angle)
345 void QPieSeries::setPieEndAngle(qreal angle)
346 {
346 {
347 Q_D(QPieSeries);
347 Q_D(QPieSeries);
348
348
349 if (d->setRealValue(d->m_pieEndAngle, angle, 360.0, d->m_pieStartAngle))
349 if (d->setRealValue(d->m_pieEndAngle, angle, 360.0, d->m_pieStartAngle))
350 d->updateDerivativeData();
350 d->updateDerivativeData();
351 }
351 }
352
352
353 /*!
353 /*!
354 Returns the end angle of the pie.
354 Returns the end angle of the pie.
355
355
356 Full pie is 360 degrees where 0 degrees is at 12 a'clock.
356 Full pie is 360 degrees where 0 degrees is at 12 a'clock.
357
357
358 \sa setPieEndAngle(), pieStartAngle(), setPieStartAngle()
358 \sa setPieEndAngle(), pieStartAngle(), setPieStartAngle()
359 */
359 */
360 qreal QPieSeries::pieEndAngle() const
360 qreal QPieSeries::pieEndAngle() const
361 {
361 {
362 Q_D(const QPieSeries);
362 Q_D(const QPieSeries);
363 return d->m_pieEndAngle;
363 return d->m_pieEndAngle;
364 }
364 }
365
365
366 /*!
366 /*!
367 Sets the all the slice labels \a visible or invisible.
367 Sets the all the slice labels \a visible or invisible.
368
368
369 \sa QPieSlice::isLabelVisible(), QPieSlice::setLabelVisible()
369 \sa QPieSlice::isLabelVisible(), QPieSlice::setLabelVisible()
370 */
370 */
371 void QPieSeries::setLabelsVisible(bool visible)
371 void QPieSeries::setLabelsVisible(bool visible)
372 {
372 {
373 Q_D(QPieSeries);
373 Q_D(QPieSeries);
374 foreach (QPieSlice* s, d->m_slices)
374 foreach (QPieSlice* s, d->m_slices)
375 s->setLabelVisible(visible);
375 s->setLabelVisible(visible);
376 }
376 }
377
377
378 /*!
378 /*!
379 Returns the sum of all slice values in this series.
379 Returns the sum of all slice values in this series.
380
380
381 \sa QPieSlice::value(), QPieSlice::setValue()
381 \sa QPieSlice::value(), QPieSlice::setValue()
382 */
382 */
383 qreal QPieSeries::total() const
383 qreal QPieSeries::sum() const
384 {
384 {
385 Q_D(const QPieSeries);
385 Q_D(const QPieSeries);
386 return d->m_total;
386 return d->m_sum;
387 }
387 }
388
388
389 /*!
389 /*!
390 \fn void QPieSeries::clicked(QPieSlice* slice, Qt::MouseButtons buttons)
390 \fn void QPieSeries::clicked(QPieSlice* slice, Qt::MouseButtons buttons)
391
391
392 This signal is emitted when a \a slice has been clicked with mouse \a buttons.
392 This signal is emitted when a \a slice has been clicked with mouse \a buttons.
393
393
394 \sa QPieSlice::clicked()
394 \sa QPieSlice::clicked()
395 */
395 */
396
396
397 /*!
397 /*!
398 \fn void QPieSeries::hoverEnter(QPieSlice* slice)
398 \fn void QPieSeries::hoverEnter(QPieSlice* slice)
399
399
400 This signal is emitted when user has hovered over a \a slice.
400 This signal is emitted when user has hovered over a \a slice.
401
401
402 \sa QPieSlice::hoverEnter()
402 \sa QPieSlice::hoverEnter()
403 */
403 */
404
404
405 /*!
405 /*!
406 \fn void QPieSeries::hoverLeave(QPieSlice* slice)
406 \fn void QPieSeries::hoverLeave(QPieSlice* slice)
407
407
408 This signal is emitted when user has hovered away from a \a slice.
408 This signal is emitted when user has hovered away from a \a slice.
409
409
410 \sa QPieSlice::hoverLeave()
410 \sa QPieSlice::hoverLeave()
411 */
411 */
412
412
413 /*!
413 /*!
414 \fn void QPieSeries::added(QList<QPieSlice*> slices)
414 \fn void QPieSeries::added(QList<QPieSlice*> slices)
415
415
416 This signal is emitted when \a slices has been added to the series.
416 This signal is emitted when \a slices has been added to the series.
417
417
418 \sa append(), insert()
418 \sa append(), insert()
419 */
419 */
420
420
421 /*!
421 /*!
422 \fn void QPieSeries::removed(QList<QPieSlice*> slices)
422 \fn void QPieSeries::removed(QList<QPieSlice*> slices)
423
423
424 This signal is emitted when \a slices has been removed from the series.
424 This signal is emitted when \a slices has been removed from the series.
425
425
426 \sa remove(), clear()
426 \sa remove(), clear()
427 */
427 */
428
428
429 /*!
429 /*!
430 \fn void QPieSeries::piePositionChanged()
430 \fn void QPieSeries::piePositionChanged()
431
431
432 This signal is emitted when pie position has changed.
432 This signal is emitted when pie position has changed.
433
433
434 \sa verticalPosition(), setVerticalPosition(), horizontalPosition(), setHorizontalPosition()
434 \sa verticalPosition(), setVerticalPosition(), horizontalPosition(), setHorizontalPosition()
435 */
435 */
436
436
437 /*!
437 /*!
438 \fn void QPieSeries::pieSizeChanged()
438 \fn void QPieSeries::pieSizeChanged()
439
439
440 This signal is emitted when pie size has changed.
440 This signal is emitted when pie size has changed.
441
441
442 \sa pieSize(), setPieSize()
442 \sa pieSize(), setPieSize()
443 */
443 */
444
444
445 /*!
445 /*!
446 \fn bool QPieSeries::setModel(QAbstractItemModel *model)
446 \fn bool QPieSeries::setModel(QAbstractItemModel *model)
447 Sets the \a model to be used as a data source
447 Sets the \a model to be used as a data source
448 */
448 */
449 bool QPieSeries::setModel(QAbstractItemModel* model)
449 bool QPieSeries::setModel(QAbstractItemModel* model)
450 {
450 {
451 Q_D(QPieSeries);
451 Q_D(QPieSeries);
452 // disconnect signals from old model
452 // disconnect signals from old model
453 if(d->m_model)
453 if(d->m_model)
454 {
454 {
455 disconnect(d->m_model, 0, this, 0);
455 disconnect(d->m_model, 0, this, 0);
456 d->m_mapValues = -1;
456 d->m_mapValues = -1;
457 d->m_mapLabels = -1;
457 d->m_mapLabels = -1;
458 d->m_mapOrientation = Qt::Vertical;
458 d->m_mapOrientation = Qt::Vertical;
459 }
459 }
460
460
461 // set new model
461 // set new model
462 if(model)
462 if(model)
463 {
463 {
464 d->m_model = model;
464 d->m_model = model;
465 return true;
465 return true;
466 }
466 }
467 else
467 else
468 {
468 {
469 d->m_model = 0;
469 d->m_model = 0;
470 return false;
470 return false;
471 }
471 }
472 }
472 }
473
473
474 /*!
474 /*!
475 \fn bool QPieSeries::setModelMapping(int modelValuesLine, int modelLabelsLine, Qt::Orientation orientation)
475 \fn bool QPieSeries::setModelMapping(int modelValuesLine, int modelLabelsLine, Qt::Orientation orientation)
476 Sets column/row specified by \a modelValuesLine to be used as a list of pie slice values for the pie.
476 Sets column/row specified by \a modelValuesLine to be used as a list of pie slice values for the pie.
477 Parameter \a modelValuesLine indicates the column/row where the values for the pie slices are located in the model.
477 Parameter \a modelValuesLine indicates the column/row where the values for the pie slices are located in the model.
478 Parameter \a modelLabelsLine indicates the column/row where the labels for the pie slices are located in the model.
478 Parameter \a modelLabelsLine indicates the column/row where the labels for the pie slices are located in the model.
479 The \a orientation paramater specifies whether the data is in columns or in rows.
479 The \a orientation paramater specifies whether the data is in columns or in rows.
480 */
480 */
481 void QPieSeries::setModelMapping(int modelValuesLine, int modelLabelsLine, Qt::Orientation orientation)
481 void QPieSeries::setModelMapping(int modelValuesLine, int modelLabelsLine, Qt::Orientation orientation)
482 {
482 {
483 Q_D(QPieSeries);
483 Q_D(QPieSeries);
484
484
485 if (d->m_model == 0)
485 if (d->m_model == 0)
486 return;
486 return;
487
487
488 d->m_mapValues = modelValuesLine;
488 d->m_mapValues = modelValuesLine;
489 d->m_mapLabels = modelLabelsLine;
489 d->m_mapLabels = modelLabelsLine;
490 d->m_mapOrientation = orientation;
490 d->m_mapOrientation = orientation;
491
491
492 // connect the signals
492 // connect the signals
493 if (d->m_mapOrientation == Qt::Vertical) {
493 if (d->m_mapOrientation == Qt::Vertical) {
494 connect(d->m_model, SIGNAL(dataChanged(QModelIndex,QModelIndex)), d, SLOT(modelUpdated(QModelIndex, QModelIndex)));
494 connect(d->m_model, SIGNAL(dataChanged(QModelIndex,QModelIndex)), d, SLOT(modelUpdated(QModelIndex, QModelIndex)));
495 connect(d->m_model, SIGNAL(rowsInserted(QModelIndex, int, int)), d, SLOT(modelDataAdded(QModelIndex,int,int)));
495 connect(d->m_model, SIGNAL(rowsInserted(QModelIndex, int, int)), d, SLOT(modelDataAdded(QModelIndex,int,int)));
496 connect(d->m_model, SIGNAL(rowsRemoved(QModelIndex, int, int)), d, SLOT(modelDataRemoved(QModelIndex,int,int)));
496 connect(d->m_model, SIGNAL(rowsRemoved(QModelIndex, int, int)), d, SLOT(modelDataRemoved(QModelIndex,int,int)));
497 } else {
497 } else {
498 connect(d->m_model, SIGNAL(dataChanged(QModelIndex,QModelIndex)), d, SLOT(modelUpdated(QModelIndex, QModelIndex)));
498 connect(d->m_model, SIGNAL(dataChanged(QModelIndex,QModelIndex)), d, SLOT(modelUpdated(QModelIndex, QModelIndex)));
499 connect(d->m_model, SIGNAL(columnsInserted(QModelIndex, int, int)), d, SLOT(modelDataAdded(QModelIndex,int,int)));
499 connect(d->m_model, SIGNAL(columnsInserted(QModelIndex, int, int)), d, SLOT(modelDataAdded(QModelIndex,int,int)));
500 connect(d->m_model, SIGNAL(columnsRemoved(QModelIndex, int, int)), d, SLOT(modelDataRemoved(QModelIndex,int,int)));
500 connect(d->m_model, SIGNAL(columnsRemoved(QModelIndex, int, int)), d, SLOT(modelDataRemoved(QModelIndex,int,int)));
501 }
501 }
502
502
503 // create the initial slices set
503 // create the initial slices set
504 if (d->m_mapOrientation == Qt::Vertical) {
504 if (d->m_mapOrientation == Qt::Vertical) {
505 for (int i = 0; i < d->m_model->rowCount(); i++)
505 for (int i = 0; i < d->m_model->rowCount(); i++)
506 append(d->m_model->data(d->m_model->index(i, d->m_mapValues), Qt::DisplayRole).toDouble(), d->m_model->data(d->m_model->index(i, d->m_mapLabels), Qt::DisplayRole).toString());
506 append(d->m_model->data(d->m_model->index(i, d->m_mapValues), Qt::DisplayRole).toDouble(), d->m_model->data(d->m_model->index(i, d->m_mapLabels), Qt::DisplayRole).toString());
507 } else {
507 } else {
508 for (int i = 0; i < d->m_model->columnCount(); i++)
508 for (int i = 0; i < d->m_model->columnCount(); i++)
509 append(d->m_model->data(d->m_model->index(d->m_mapValues, i), Qt::DisplayRole).toDouble(), d->m_model->data(d->m_model->index(d->m_mapLabels, i), Qt::DisplayRole).toString());
509 append(d->m_model->data(d->m_model->index(d->m_mapValues, i), Qt::DisplayRole).toDouble(), d->m_model->data(d->m_model->index(d->m_mapLabels, i), Qt::DisplayRole).toString());
510 }
510 }
511 }
511 }
512
512
513 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
513 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
514
514
515
515
516 QPieSeriesPrivate::QPieSeriesPrivate(QPieSeries *parent)
516 QPieSeriesPrivate::QPieSeriesPrivate(QPieSeries *parent)
517 :QSeriesPrivate(parent),
517 :QSeriesPrivate(parent),
518 m_pieRelativeHorPos(0.5),
518 m_pieRelativeHorPos(0.5),
519 m_pieRelativeVerPos(0.5),
519 m_pieRelativeVerPos(0.5),
520 m_pieRelativeSize(0.7),
520 m_pieRelativeSize(0.7),
521 m_pieStartAngle(0),
521 m_pieStartAngle(0),
522 m_pieEndAngle(360),
522 m_pieEndAngle(360),
523 m_total(0),
523 m_sum(0),
524 m_mapValues(0),
524 m_mapValues(0),
525 m_mapLabels(0),
525 m_mapLabels(0),
526 m_mapOrientation(Qt::Horizontal)
526 m_mapOrientation(Qt::Horizontal)
527 {
527 {
528
528
529 }
529 }
530
530
531 QPieSeriesPrivate::~QPieSeriesPrivate()
531 QPieSeriesPrivate::~QPieSeriesPrivate()
532 {
532 {
533
533
534 }
534 }
535
535
536 void QPieSeriesPrivate::updateDerivativeData()
536 void QPieSeriesPrivate::updateDerivativeData()
537 {
537 {
538 m_total = 0;
538 m_sum = 0;
539
539
540 // nothing to do?
540 // nothing to do?
541 if (m_slices.count() == 0)
541 if (m_slices.count() == 0)
542 return;
542 return;
543
543
544 // calculate total
544 // calculate sum of all slices
545 foreach (QPieSlice* s, m_slices)
545 foreach (QPieSlice* s, m_slices)
546 m_total += s->value();
546 m_sum += s->value();
547
547
548 // nothing to show..
548 // nothing to show..
549 if (qFuzzyIsNull(m_total))
549 if (qFuzzyIsNull(m_sum))
550 return;
550 return;
551
551
552 // update slice attributes
552 // update slice attributes
553 qreal sliceAngle = m_pieStartAngle;
553 qreal sliceAngle = m_pieStartAngle;
554 qreal pieSpan = m_pieEndAngle - m_pieStartAngle;
554 qreal pieSpan = m_pieEndAngle - m_pieStartAngle;
555 QVector<QPieSlice*> changed;
555 QVector<QPieSlice*> changed;
556 foreach (QPieSlice* s, m_slices) {
556 foreach (QPieSlice* s, m_slices) {
557
557
558 PieSliceData data = PieSliceData::data(s);
558 PieSliceData data = PieSliceData::data(s);
559 data.m_percentage = s->value() / m_total;
559 data.m_percentage = s->value() / m_sum;
560 data.m_angleSpan = pieSpan * data.m_percentage;
560 data.m_angleSpan = pieSpan * data.m_percentage;
561 data.m_startAngle = sliceAngle;
561 data.m_startAngle = sliceAngle;
562 sliceAngle += data.m_angleSpan;
562 sliceAngle += data.m_angleSpan;
563
563
564 if (PieSliceData::data(s) != data) {
564 if (PieSliceData::data(s) != data) {
565 PieSliceData::data(s) = data;
565 PieSliceData::data(s) = data;
566 changed << s;
566 changed << s;
567 }
567 }
568 }
568 }
569
569
570 // emit signals
570 // emit signals
571 foreach (QPieSlice* s, changed)
571 foreach (QPieSlice* s, changed)
572 PieSliceData::data(s).emitChangedSignal(s);
572 PieSliceData::data(s).emitChangedSignal(s);
573 }
573 }
574
574
575 void QPieSeriesPrivate::sliceChanged()
575 void QPieSeriesPrivate::sliceChanged()
576 {
576 {
577 Q_ASSERT(m_slices.contains(qobject_cast<QPieSlice *>(sender())));
577 Q_ASSERT(m_slices.contains(qobject_cast<QPieSlice *>(sender())));
578 updateDerivativeData();
578 updateDerivativeData();
579 }
579 }
580
580
581 void QPieSeriesPrivate::sliceClicked(Qt::MouseButtons buttons)
581 void QPieSeriesPrivate::sliceClicked(Qt::MouseButtons buttons)
582 {
582 {
583 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
583 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
584 Q_ASSERT(m_slices.contains(slice));
584 Q_ASSERT(m_slices.contains(slice));
585 Q_Q(QPieSeries);
585 Q_Q(QPieSeries);
586 emit q->clicked(slice, buttons);
586 emit q->clicked(slice, buttons);
587 }
587 }
588
588
589 void QPieSeriesPrivate::sliceHoverEnter()
589 void QPieSeriesPrivate::sliceHoverEnter()
590 {
590 {
591 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
591 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
592 Q_ASSERT(m_slices.contains(slice));
592 Q_ASSERT(m_slices.contains(slice));
593 Q_Q(QPieSeries);
593 Q_Q(QPieSeries);
594 emit q->hoverEnter(slice);
594 emit q->hoverEnter(slice);
595 }
595 }
596
596
597 void QPieSeriesPrivate::sliceHoverLeave()
597 void QPieSeriesPrivate::sliceHoverLeave()
598 {
598 {
599 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
599 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
600 Q_ASSERT(m_slices.contains(slice));
600 Q_ASSERT(m_slices.contains(slice));
601 Q_Q(QPieSeries);
601 Q_Q(QPieSeries);
602 emit q->hoverLeave(slice);
602 emit q->hoverLeave(slice);
603 }
603 }
604
604
605 void QPieSeriesPrivate::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight)
605 void QPieSeriesPrivate::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight)
606 {
606 {
607 Q_UNUSED(bottomRight)
607 Q_UNUSED(bottomRight)
608
608
609 if (m_mapOrientation == Qt::Vertical)
609 if (m_mapOrientation == Qt::Vertical)
610 {
610 {
611 if (topLeft.column() == m_mapValues)
611 if (topLeft.column() == m_mapValues)
612 if (m_mapValues == m_mapLabels)
612 if (m_mapValues == m_mapLabels)
613 {
613 {
614 m_slices.at(topLeft.row())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble());
614 m_slices.at(topLeft.row())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble());
615 m_slices.at(topLeft.row())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
615 m_slices.at(topLeft.row())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
616 }
616 }
617 else
617 else
618 {
618 {
619 m_slices.at(topLeft.row())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble());
619 m_slices.at(topLeft.row())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble());
620 }
620 }
621 else if (topLeft.column() == m_mapLabels)
621 else if (topLeft.column() == m_mapLabels)
622 m_slices.at(topLeft.row())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
622 m_slices.at(topLeft.row())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
623 }
623 }
624 else
624 else
625 {
625 {
626 if (topLeft.row() == m_mapValues)
626 if (topLeft.row() == m_mapValues)
627 if (m_mapValues == m_mapLabels)
627 if (m_mapValues == m_mapLabels)
628 {
628 {
629 m_slices.at(topLeft.column())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble());
629 m_slices.at(topLeft.column())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble());
630 m_slices.at(topLeft.column())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
630 m_slices.at(topLeft.column())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
631 }
631 }
632 else
632 else
633 {
633 {
634 m_slices.at(topLeft.column())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble());
634 m_slices.at(topLeft.column())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble());
635 }
635 }
636 else if (topLeft.row() == m_mapLabels)
636 else if (topLeft.row() == m_mapLabels)
637 m_slices.at(topLeft.column())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
637 m_slices.at(topLeft.column())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
638 }
638 }
639 }
639 }
640
640
641 void QPieSeriesPrivate::modelDataAdded(QModelIndex parent, int start, int end)
641 void QPieSeriesPrivate::modelDataAdded(QModelIndex parent, int start, int end)
642 {
642 {
643 Q_UNUSED(parent)
643 Q_UNUSED(parent)
644 Q_UNUSED(end)
644 Q_UNUSED(end)
645 Q_Q(QPieSeries);
645 Q_Q(QPieSeries);
646
646
647 QPieSlice* newSlice = new QPieSlice;
647 QPieSlice* newSlice = new QPieSlice;
648 newSlice->setLabelVisible(true);
648 newSlice->setLabelVisible(true);
649 if (m_mapOrientation == Qt::Vertical)
649 if (m_mapOrientation == Qt::Vertical)
650 {
650 {
651 newSlice->setValue(m_model->data(m_model->index(start, m_mapValues), Qt::DisplayRole).toDouble());
651 newSlice->setValue(m_model->data(m_model->index(start, m_mapValues), Qt::DisplayRole).toDouble());
652 newSlice->setLabel(m_model->data(m_model->index(start, m_mapLabels), Qt::DisplayRole).toString());
652 newSlice->setLabel(m_model->data(m_model->index(start, m_mapLabels), Qt::DisplayRole).toString());
653 }
653 }
654 else
654 else
655 {
655 {
656 newSlice->setValue(m_model->data(m_model->index(m_mapValues, start), Qt::DisplayRole).toDouble());
656 newSlice->setValue(m_model->data(m_model->index(m_mapValues, start), Qt::DisplayRole).toDouble());
657 newSlice->setLabel(m_model->data(m_model->index(m_mapLabels, start), Qt::DisplayRole).toString());
657 newSlice->setLabel(m_model->data(m_model->index(m_mapLabels, start), Qt::DisplayRole).toString());
658 }
658 }
659
659
660 q->insert(start, newSlice);
660 q->insert(start, newSlice);
661 }
661 }
662
662
663 void QPieSeriesPrivate::modelDataRemoved(QModelIndex parent, int start, int end)
663 void QPieSeriesPrivate::modelDataRemoved(QModelIndex parent, int start, int end)
664 {
664 {
665 Q_UNUSED(parent)
665 Q_UNUSED(parent)
666 Q_UNUSED(end)
666 Q_UNUSED(end)
667 Q_Q(QPieSeries);
667 Q_Q(QPieSeries);
668 q->remove(m_slices.at(start));
668 q->remove(m_slices.at(start));
669 }
669 }
670
670
671 bool QPieSeriesPrivate::setRealValue(qreal &value, qreal newValue, qreal max, qreal min)
671 bool QPieSeriesPrivate::setRealValue(qreal &value, qreal newValue, qreal max, qreal min)
672 {
672 {
673 // Remove rounding errors
673 // Remove rounding errors
674 qreal roundedValue = newValue;
674 qreal roundedValue = newValue;
675 if (qFuzzyIsNull(min) && qFuzzyIsNull(newValue))
675 if (qFuzzyIsNull(min) && qFuzzyIsNull(newValue))
676 roundedValue = 0.0;
676 roundedValue = 0.0;
677 else if (qFuzzyCompare(newValue, max))
677 else if (qFuzzyCompare(newValue, max))
678 roundedValue = max;
678 roundedValue = max;
679 else if (qFuzzyCompare(newValue, min))
679 else if (qFuzzyCompare(newValue, min))
680 roundedValue = min;
680 roundedValue = min;
681
681
682 // Check if the position is valid after removing the rounding errors
682 // Check if the position is valid after removing the rounding errors
683 if (roundedValue < min || roundedValue > max) {
683 if (roundedValue < min || roundedValue > max) {
684 qWarning("QPieSeries: Illegal value");
684 qWarning("QPieSeries: Illegal value");
685 return false;
685 return false;
686 }
686 }
687
687
688 if (!qFuzzyIsNull(value - roundedValue)) {
688 if (!qFuzzyIsNull(value - roundedValue)) {
689 value = roundedValue;
689 value = roundedValue;
690 return true;
690 return true;
691 }
691 }
692
692
693 // The change was so small it is considered a rounding error
693 // The change was so small it is considered a rounding error
694 return false;
694 return false;
695 }
695 }
696
696
697
697
698 #include "moc_qpieseries.cpp"
698 #include "moc_qpieseries.cpp"
699 #include "moc_qpieseries_p.cpp"
699 #include "moc_qpieseries_p.cpp"
700
700
701 QTCOMMERCIALCHART_END_NAMESPACE
701 QTCOMMERCIALCHART_END_NAMESPACE
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@@ -1,101 +1,101
1 /****************************************************************************
1 /****************************************************************************
2 **
2 **
3 ** Copyright (C) 2012 Digia Plc
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
8 **
9 ** $QT_BEGIN_LICENSE$
9 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
13 ** a written agreement between you and Digia.
14 **
14 **
15 ** If you have questions regarding the use of this file, please use
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
17 ** $QT_END_LICENSE$
18 **
18 **
19 ****************************************************************************/
19 ****************************************************************************/
20
20
21 #ifndef PIESERIES_H
21 #ifndef PIESERIES_H
22 #define PIESERIES_H
22 #define PIESERIES_H
23
23
24 #include <qseries.h>
24 #include <qseries.h>
25
25
26 QTCOMMERCIALCHART_BEGIN_NAMESPACE
26 QTCOMMERCIALCHART_BEGIN_NAMESPACE
27 class QPieSeriesPrivate;
27 class QPieSeriesPrivate;
28 class QPieSlice;
28 class QPieSlice;
29
29
30 class QTCOMMERCIALCHART_EXPORT QPieSeries : public QSeries
30 class QTCOMMERCIALCHART_EXPORT QPieSeries : public QSeries
31 {
31 {
32 Q_OBJECT
32 Q_OBJECT
33 Q_PROPERTY(qreal horizontalPosition READ horizontalPosition WRITE setHorizontalPosition)
33 Q_PROPERTY(qreal horizontalPosition READ horizontalPosition WRITE setHorizontalPosition)
34 Q_PROPERTY(qreal verticalPosition READ verticalPosition WRITE setVerticalPosition)
34 Q_PROPERTY(qreal verticalPosition READ verticalPosition WRITE setVerticalPosition)
35 Q_PROPERTY(qreal size READ pieSize WRITE setPieSize)
35 Q_PROPERTY(qreal size READ pieSize WRITE setPieSize)
36 Q_PROPERTY(qreal startAngle READ pieStartAngle WRITE setPieStartAngle)
36 Q_PROPERTY(qreal startAngle READ pieStartAngle WRITE setPieStartAngle)
37 Q_PROPERTY(qreal endAngle READ pieEndAngle WRITE setPieEndAngle)
37 Q_PROPERTY(qreal endAngle READ pieEndAngle WRITE setPieEndAngle)
38
38
39 public:
39 public:
40 QPieSeries(QObject *parent = 0);
40 QPieSeries(QObject *parent = 0);
41 virtual ~QPieSeries();
41 virtual ~QPieSeries();
42
42
43 public: // from QChartSeries
43 public: // from QChartSeries
44 QSeriesType type() const;
44 QSeriesType type() const;
45
45
46 public:
46 public:
47
47
48 // slice setters
48 // slice setters
49 void append(QPieSlice* slice);
49 void append(QPieSlice* slice);
50 void append(QList<QPieSlice*> slices);
50 void append(QList<QPieSlice*> slices);
51 void insert(int index, QPieSlice* slice);
51 void insert(int index, QPieSlice* slice);
52 void replace(QList<QPieSlice*> slices);
52 void replace(QList<QPieSlice*> slices);
53 void remove(QPieSlice* slice);
53 void remove(QPieSlice* slice);
54 void clear();
54 void clear();
55
55
56 // slice getters
56 // slice getters
57 QList<QPieSlice*> slices() const;
57 QList<QPieSlice*> slices() const;
58
58
59 // calculated data
59 // calculated data
60 int count() const;
60 int count() const;
61 bool isEmpty() const;
61 bool isEmpty() const;
62 qreal total() const;
62 qreal sum() const;
63
63
64 // pie customization
64 // pie customization
65 void setHorizontalPosition(qreal relativePosition);
65 void setHorizontalPosition(qreal relativePosition);
66 qreal horizontalPosition() const;
66 qreal horizontalPosition() const;
67 void setVerticalPosition(qreal relativePosition);
67 void setVerticalPosition(qreal relativePosition);
68 qreal verticalPosition() const;
68 qreal verticalPosition() const;
69 void setPieSize(qreal relativeSize);
69 void setPieSize(qreal relativeSize);
70 qreal pieSize() const;
70 qreal pieSize() const;
71 void setPieStartAngle(qreal startAngle);
71 void setPieStartAngle(qreal startAngle);
72 qreal pieStartAngle() const;
72 qreal pieStartAngle() const;
73 void setPieEndAngle(qreal endAngle);
73 void setPieEndAngle(qreal endAngle);
74 qreal pieEndAngle() const;
74 qreal pieEndAngle() const;
75
75
76 // convenience function
76 // convenience function
77 QPieSeries& operator << (QPieSlice* slice);
77 QPieSeries& operator << (QPieSlice* slice);
78 QPieSlice* append(qreal value, QString name);
78 QPieSlice* append(qreal value, QString name);
79 void setLabelsVisible(bool visible = true);
79 void setLabelsVisible(bool visible = true);
80
80
81 // data from model
81 // data from model
82 bool setModel(QAbstractItemModel* model);
82 bool setModel(QAbstractItemModel* model);
83 void setModelMapping(int modelValuesLine, int modelLabelsLine, Qt::Orientation orientation = Qt::Vertical);
83 void setModelMapping(int modelValuesLine, int modelLabelsLine, Qt::Orientation orientation = Qt::Vertical);
84
84
85 Q_SIGNALS:
85 Q_SIGNALS:
86 void clicked(QPieSlice* slice, Qt::MouseButtons buttons);
86 void clicked(QPieSlice* slice, Qt::MouseButtons buttons);
87 void hoverEnter(QPieSlice* slice);
87 void hoverEnter(QPieSlice* slice);
88 void hoverLeave(QPieSlice* slice);
88 void hoverLeave(QPieSlice* slice);
89 void added(QList<QPieSlice*> slices);
89 void added(QList<QPieSlice*> slices);
90 void removed(QList<QPieSlice*> slices);
90 void removed(QList<QPieSlice*> slices);
91 void piePositionChanged();
91 void piePositionChanged();
92 void pieSizeChanged();
92 void pieSizeChanged();
93
93
94 private:
94 private:
95 Q_DECLARE_PRIVATE(QPieSeries)
95 Q_DECLARE_PRIVATE(QPieSeries)
96 Q_DISABLE_COPY(QPieSeries)
96 Q_DISABLE_COPY(QPieSeries)
97 };
97 };
98
98
99 QTCOMMERCIALCHART_END_NAMESPACE
99 QTCOMMERCIALCHART_END_NAMESPACE
100
100
101 #endif // PIESERIES_H
101 #endif // PIESERIES_H
Show file before | Show file after | Hide comments
@@ -1,70 +1,70
1 /****************************************************************************
1 /****************************************************************************
2 **
2 **
3 ** Copyright (C) 2012 Digia Plc
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
8 **
9 ** $QT_BEGIN_LICENSE$
9 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
13 ** a written agreement between you and Digia.
14 **
14 **
15 ** If you have questions regarding the use of this file, please use
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
17 ** $QT_END_LICENSE$
18 **
18 **
19 ****************************************************************************/
19 ****************************************************************************/
20
20
21 #ifndef QPIESERIES_P_H
21 #ifndef QPIESERIES_P_H
22 #define QPIESERIES_P_H
22 #define QPIESERIES_P_H
23
23
24 #include "qpieseries.h"
24 #include "qpieseries.h"
25 #include "qseries_p.h"
25 #include "qseries_p.h"
26
26
27 class QModelIndex;
27 class QModelIndex;
28
28
29 QTCOMMERCIALCHART_BEGIN_NAMESPACE
29 QTCOMMERCIALCHART_BEGIN_NAMESPACE
30
30
31 class QPieSeriesPrivate : public QSeriesPrivate
31 class QPieSeriesPrivate : public QSeriesPrivate
32 {
32 {
33 Q_OBJECT
33 Q_OBJECT
34
34
35 public:
35 public:
36 QPieSeriesPrivate(QPieSeries *parent);
36 QPieSeriesPrivate(QPieSeries *parent);
37 ~QPieSeriesPrivate();
37 ~QPieSeriesPrivate();
38
38
39 void updateDerivativeData();
39 void updateDerivativeData();
40
40
41 public Q_SLOTS:
41 public Q_SLOTS:
42 void sliceChanged();
42 void sliceChanged();
43 void sliceClicked(Qt::MouseButtons buttons);
43 void sliceClicked(Qt::MouseButtons buttons);
44 void sliceHoverEnter();
44 void sliceHoverEnter();
45 void sliceHoverLeave();
45 void sliceHoverLeave();
46 void modelUpdated(QModelIndex topLeft, QModelIndex bottomRight);
46 void modelUpdated(QModelIndex topLeft, QModelIndex bottomRight);
47 void modelDataAdded(QModelIndex parent, int start, int end);
47 void modelDataAdded(QModelIndex parent, int start, int end);
48 void modelDataRemoved(QModelIndex parent, int start, int end);
48 void modelDataRemoved(QModelIndex parent, int start, int end);
49 bool setRealValue(qreal &value, qreal newValue, qreal max, qreal min = 0.0);
49 bool setRealValue(qreal &value, qreal newValue, qreal max, qreal min = 0.0);
50
50
51 public:
51 public:
52 QList<QPieSlice*> m_slices;
52 QList<QPieSlice*> m_slices;
53 qreal m_pieRelativeHorPos;
53 qreal m_pieRelativeHorPos;
54 qreal m_pieRelativeVerPos;
54 qreal m_pieRelativeVerPos;
55 qreal m_pieRelativeSize;
55 qreal m_pieRelativeSize;
56 qreal m_pieStartAngle;
56 qreal m_pieStartAngle;
57 qreal m_pieEndAngle;
57 qreal m_pieEndAngle;
58 qreal m_total;
58 qreal m_sum;
59
59
60 // model map
60 // model map
61 int m_mapValues;
61 int m_mapValues;
62 int m_mapLabels;
62 int m_mapLabels;
63 Qt::Orientation m_mapOrientation;
63 Qt::Orientation m_mapOrientation;
64 private:
64 private:
65 Q_DECLARE_PUBLIC(QPieSeries)
65 Q_DECLARE_PUBLIC(QPieSeries)
66 };
66 };
67
67
68 QTCOMMERCIALCHART_END_NAMESPACE
68 QTCOMMERCIALCHART_END_NAMESPACE
69
69
70 #endif // QPIESERIES_P_H
70 #endif // QPIESERIES_P_H
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