##// END OF EJS Templates
Remove obsolete setBackgroundColor form QChart
Michal Klocek -
r137:c3223f1ab305
parent child
Show More
@@ -1,446 +1,425
1 #include "qchart.h"
1 #include "qchart.h"
2 #include "qchartseries.h"
2 #include "qchartseries.h"
3 #include "qscatterseries.h"
3 #include "qscatterseries.h"
4 #include "qscatterseries_p.h"
4 #include "qscatterseries_p.h"
5 #include "qpieseries.h"
5 #include "qpieseries.h"
6 #include "qpieseries_p.h"
6 #include "qpieseries_p.h"
7 #include "qxychartseries.h"
7 #include "qxychartseries.h"
8 #include "qchartaxis.h"
8 #include "qchartaxis.h"
9 #include "barchartseries.h"
9 #include "barchartseries.h"
10 #include "bargroup.h"
10 #include "bargroup.h"
11 #include "stackedbarchartseries.h"
11 #include "stackedbarchartseries.h"
12 #include "stackedbargroup.h"
12 #include "stackedbargroup.h"
13 #include "percentbarchartseries.h"
13 #include "percentbarchartseries.h"
14 #include "percentbargroup.h"
14 #include "percentbargroup.h"
15 #include "charttheme_p.h"
15 #include "charttheme_p.h"
16 #include "chartitem_p.h"
16 #include "chartitem_p.h"
17
17
18 #include "xylinechartitem_p.h"
18 #include "xylinechartitem_p.h"
19 #include "plotdomain_p.h"
19 #include "plotdomain_p.h"
20 #include "axisitem_p.h"
20 #include "axisitem_p.h"
21 #include "chartpresenter_p.h"
21 #include "chartpresenter_p.h"
22 #include "chartdataset_p.h"
22 #include "chartdataset_p.h"
23 #include <QGraphicsScene>
23 #include <QGraphicsScene>
24 #include <QGraphicsSceneResizeEvent>
24 #include <QGraphicsSceneResizeEvent>
25 #include <QDebug>
25 #include <QDebug>
26
26
27 QTCOMMERCIALCHART_BEGIN_NAMESPACE
27 QTCOMMERCIALCHART_BEGIN_NAMESPACE
28
28
29 QChart::QChart(QGraphicsItem *parent, Qt::WindowFlags wFlags) : QGraphicsWidget(parent,wFlags),
29 QChart::QChart(QGraphicsItem *parent, Qt::WindowFlags wFlags) : QGraphicsWidget(parent,wFlags),
30 m_backgroundItem(0),
30 m_backgroundItem(0),
31 m_titleItem(0),
31 m_titleItem(0),
32 m_axisXItem(new AxisItem(AxisItem::X_AXIS, this)),
32 m_axisXItem(new AxisItem(AxisItem::X_AXIS, this)),
33 m_plotDataIndex(0),
33 m_plotDataIndex(0),
34 m_marginSize(0),
34 m_marginSize(0),
35 m_chartTheme(new ChartTheme(this)),
35 m_chartTheme(new ChartTheme(this)),
36 m_dataset(0),
36 m_dataset(0),
37 //m_dataset(new ChartDataSet(this)),
37 //m_dataset(new ChartDataSet(this)),
38 m_presenter(0)
38 m_presenter(0)
39 //m_presenter(new ChartPresenter(this,m_dataset))
39 //m_presenter(new ChartPresenter(this,m_dataset))
40 {
40 {
41 // TODO: the default theme?
41 // TODO: the default theme?
42 setTheme(QChart::ChartThemeDefault);
42 setTheme(QChart::ChartThemeDefault);
43
43
44 PlotDomain domain;
44 PlotDomain domain;
45 m_plotDomainList << domain;
45 m_plotDomainList << domain;
46 m_axisYItem << new AxisItem(AxisItem::Y_AXIS,this);
46 m_axisYItem << new AxisItem(AxisItem::Y_AXIS,this);
47 m_chartItems << m_axisXItem;
47 m_chartItems << m_axisXItem;
48 m_chartItems << m_axisYItem.at(0);
48 m_chartItems << m_axisYItem.at(0);
49 }
49 }
50
50
51 QChart::~QChart(){}
51 QChart::~QChart(){}
52
52
53 void QChart::addSeries(QChartSeries* series)
53 void QChart::addSeries(QChartSeries* series)
54 {
54 {
55 if(m_dataset) {
55 if(m_dataset) {
56 m_dataset->addSeries(series);
56 m_dataset->addSeries(series);
57 return;
57 return;
58 }
58 }
59
59
60 Q_ASSERT(series);
60 Q_ASSERT(series);
61 Q_ASSERT(series->type() != QChartSeries::SeriesTypeInvalid);
61 Q_ASSERT(series->type() != QChartSeries::SeriesTypeInvalid);
62
62
63 // TODO: we should check the series not already added
63 // TODO: we should check the series not already added
64
64
65
65
66 m_chartSeries << series;
66 m_chartSeries << series;
67
67
68 m_plotDataIndex = 0 ;
68 m_plotDataIndex = 0 ;
69 m_plotDomainList.resize(1);
69 m_plotDomainList.resize(1);
70 PlotDomain& domain = m_plotDomainList[m_plotDataIndex];
70 PlotDomain& domain = m_plotDomainList[m_plotDataIndex];
71
71
72 switch(series->type())
72 switch(series->type())
73 {
73 {
74 case QChartSeries::SeriesTypeLine: {
74 case QChartSeries::SeriesTypeLine: {
75
75
76 QXYChartSeries* xyseries = static_cast<QXYChartSeries*>(series);
76 QXYChartSeries* xyseries = static_cast<QXYChartSeries*>(series);
77
77
78 for (int i = 0 ; i < xyseries->count() ; i++) {
78 for (int i = 0 ; i < xyseries->count() ; i++) {
79 qreal x = xyseries->x(i);
79 qreal x = xyseries->x(i);
80 qreal y = xyseries->y(i);
80 qreal y = xyseries->y(i);
81 domain.m_minX = qMin(domain.m_minX,x);
81 domain.m_minX = qMin(domain.m_minX,x);
82 domain.m_minY = qMin(domain.m_minY,y);
82 domain.m_minY = qMin(domain.m_minY,y);
83 domain.m_maxX = qMax(domain.m_maxX,x);
83 domain.m_maxX = qMax(domain.m_maxX,x);
84 domain.m_maxY = qMax(domain.m_maxY,y);
84 domain.m_maxY = qMax(domain.m_maxY,y);
85 }
85 }
86
86
87 //XYLineChartItem* item = new XYLineChartItem(xyseries,0,this);
87 //XYLineChartItem* item = new XYLineChartItem(xyseries,0,this);
88
88
89 //m_chartItems << item;
89 //m_chartItems << item;
90 // TODO:
90 // TODO:
91 //m_chartTheme->addObserver(xyseries);
91 //m_chartTheme->addObserver(xyseries);
92
92
93 break;
93 break;
94 }
94 }
95 case QChartSeries::SeriesTypeBar: {
95 case QChartSeries::SeriesTypeBar: {
96
96
97 qDebug() << "barSeries added";
97 qDebug() << "barSeries added";
98 BarChartSeries* barSeries = static_cast<BarChartSeries*>(series);
98 BarChartSeries* barSeries = static_cast<BarChartSeries*>(series);
99 BarGroup* barGroup = new BarGroup(*barSeries,this);
99 BarGroup* barGroup = new BarGroup(*barSeries,this);
100
100
101 // Add some fugly colors for 5 fist series...
101 // Add some fugly colors for 5 fist series...
102 barGroup->addColor(QColor(255,0,0,128));
102 barGroup->addColor(QColor(255,0,0,128));
103 barGroup->addColor(QColor(255,255,0,128));
103 barGroup->addColor(QColor(255,255,0,128));
104 barGroup->addColor(QColor(0,255,0,128));
104 barGroup->addColor(QColor(0,255,0,128));
105 barGroup->addColor(QColor(0,0,255,128));
105 barGroup->addColor(QColor(0,0,255,128));
106 barGroup->addColor(QColor(255,128,0,128));
106 barGroup->addColor(QColor(255,128,0,128));
107
107
108 m_chartItems << barGroup;
108 m_chartItems << barGroup;
109 childItems().append(barGroup);
109 childItems().append(barGroup);
110
110
111 qreal x = barSeries->countColumns();
111 qreal x = barSeries->countColumns();
112 qreal y = barSeries->max();
112 qreal y = barSeries->max();
113 domain.m_minX = qMin(domain.m_minX,x);
113 domain.m_minX = qMin(domain.m_minX,x);
114 domain.m_minY = qMin(domain.m_minY,y);
114 domain.m_minY = qMin(domain.m_minY,y);
115 domain.m_maxX = qMax(domain.m_maxX,x);
115 domain.m_maxX = qMax(domain.m_maxX,x);
116 domain.m_maxY = qMax(domain.m_maxY,y);
116 domain.m_maxY = qMax(domain.m_maxY,y);
117 m_axisXItem->setVisible(false);
117 m_axisXItem->setVisible(false);
118 break;
118 break;
119 }
119 }
120 case QChartSeries::SeriesTypeStackedBar: {
120 case QChartSeries::SeriesTypeStackedBar: {
121
121
122 qDebug() << "barSeries added";
122 qDebug() << "barSeries added";
123 StackedBarChartSeries* stackedBarSeries = static_cast<StackedBarChartSeries*>(series);
123 StackedBarChartSeries* stackedBarSeries = static_cast<StackedBarChartSeries*>(series);
124 StackedBarGroup* stackedBarGroup = new StackedBarGroup(*stackedBarSeries,this);
124 StackedBarGroup* stackedBarGroup = new StackedBarGroup(*stackedBarSeries,this);
125
125
126 // Add some fugly colors for 5 fist series...
126 // Add some fugly colors for 5 fist series...
127 stackedBarGroup->addColor(QColor(255,0,0,128));
127 stackedBarGroup->addColor(QColor(255,0,0,128));
128 stackedBarGroup->addColor(QColor(255,255,0,128));
128 stackedBarGroup->addColor(QColor(255,255,0,128));
129 stackedBarGroup->addColor(QColor(0,255,0,128));
129 stackedBarGroup->addColor(QColor(0,255,0,128));
130 stackedBarGroup->addColor(QColor(0,0,255,128));
130 stackedBarGroup->addColor(QColor(0,0,255,128));
131 stackedBarGroup->addColor(QColor(255,128,0,128));
131 stackedBarGroup->addColor(QColor(255,128,0,128));
132
132
133 m_chartItems << stackedBarGroup;
133 m_chartItems << stackedBarGroup;
134 childItems().append(stackedBarGroup);
134 childItems().append(stackedBarGroup);
135
135
136 qreal x = stackedBarSeries->countColumns();
136 qreal x = stackedBarSeries->countColumns();
137 qreal y = stackedBarSeries->maxColumnSum();
137 qreal y = stackedBarSeries->maxColumnSum();
138 domain.m_minX = qMin(domain.m_minX,x);
138 domain.m_minX = qMin(domain.m_minX,x);
139 domain.m_minY = qMin(domain.m_minY,y);
139 domain.m_minY = qMin(domain.m_minY,y);
140 domain.m_maxX = qMax(domain.m_maxX,x);
140 domain.m_maxX = qMax(domain.m_maxX,x);
141 domain.m_maxY = qMax(domain.m_maxY,y);
141 domain.m_maxY = qMax(domain.m_maxY,y);
142 m_axisXItem->setVisible(false);
142 m_axisXItem->setVisible(false);
143 break;
143 break;
144 }
144 }
145 case QChartSeries::SeriesTypePercentBar: {
145 case QChartSeries::SeriesTypePercentBar: {
146
146
147 qDebug() << "barSeries added";
147 qDebug() << "barSeries added";
148 PercentBarChartSeries* percentBarSeries = static_cast<PercentBarChartSeries*>(series);
148 PercentBarChartSeries* percentBarSeries = static_cast<PercentBarChartSeries*>(series);
149 PercentBarGroup* percentBarGroup = new PercentBarGroup(*percentBarSeries,this);
149 PercentBarGroup* percentBarGroup = new PercentBarGroup(*percentBarSeries,this);
150
150
151 // Add some fugly colors for 5 fist series...
151 // Add some fugly colors for 5 fist series...
152 percentBarGroup->addColor(QColor(255,0,0,128));
152 percentBarGroup->addColor(QColor(255,0,0,128));
153 percentBarGroup->addColor(QColor(255,255,0,128));
153 percentBarGroup->addColor(QColor(255,255,0,128));
154 percentBarGroup->addColor(QColor(0,255,0,128));
154 percentBarGroup->addColor(QColor(0,255,0,128));
155 percentBarGroup->addColor(QColor(0,0,255,128));
155 percentBarGroup->addColor(QColor(0,0,255,128));
156 percentBarGroup->addColor(QColor(255,128,0,128));
156 percentBarGroup->addColor(QColor(255,128,0,128));
157
157
158 m_chartItems << percentBarGroup;
158 m_chartItems << percentBarGroup;
159 childItems().append(percentBarGroup);
159 childItems().append(percentBarGroup);
160
160
161 qreal x = percentBarSeries->countColumns();
161 qreal x = percentBarSeries->countColumns();
162 domain.m_minX = qMin(domain.m_minX,x);
162 domain.m_minX = qMin(domain.m_minX,x);
163 domain.m_minY = 0;
163 domain.m_minY = 0;
164 domain.m_maxX = qMax(domain.m_maxX,x);
164 domain.m_maxX = qMax(domain.m_maxX,x);
165 domain.m_maxY = 100;
165 domain.m_maxY = 100;
166 m_axisXItem->setVisible(false);
166 m_axisXItem->setVisible(false);
167 break;
167 break;
168 }
168 }
169 case QChartSeries::SeriesTypeScatter: {
169 case QChartSeries::SeriesTypeScatter: {
170 QScatterSeries *scatterSeries = qobject_cast<QScatterSeries *>(series);
170 QScatterSeries *scatterSeries = qobject_cast<QScatterSeries *>(series);
171 scatterSeries->d->m_theme = m_chartTheme->themeForSeries();
171 scatterSeries->d->m_theme = m_chartTheme->themeForSeries();
172 scatterSeries->d->setParentItem(this);
172 scatterSeries->d->setParentItem(this);
173 scatterSeries->d->m_boundingRect = m_rect.adjusted(margin(),margin(), -margin(), -margin());
173 scatterSeries->d->m_boundingRect = m_rect.adjusted(margin(),margin(), -margin(), -margin());
174 m_chartItems << scatterSeries->d;
174 m_chartItems << scatterSeries->d;
175 m_chartTheme->addObserver(scatterSeries->d);
175 m_chartTheme->addObserver(scatterSeries->d);
176
176
177 foreach (qreal x, scatterSeries->d->m_x) {
177 foreach (qreal x, scatterSeries->d->m_x) {
178 domain.m_minX = qMin(domain.m_minX, x);
178 domain.m_minX = qMin(domain.m_minX, x);
179 domain.m_maxX = qMax(domain.m_maxX, x);
179 domain.m_maxX = qMax(domain.m_maxX, x);
180 }
180 }
181 foreach (qreal y, scatterSeries->d->m_y) {
181 foreach (qreal y, scatterSeries->d->m_y) {
182 domain.m_minY = qMin(domain.m_minY, y);
182 domain.m_minY = qMin(domain.m_minY, y);
183 domain.m_maxY = qMax(domain.m_maxY, y);
183 domain.m_maxY = qMax(domain.m_maxY, y);
184 }
184 }
185
185
186 break;
186 break;
187 }
187 }
188 case QChartSeries::SeriesTypePie: {
188 case QChartSeries::SeriesTypePie: {
189 QPieSeries *pieSeries = qobject_cast<QPieSeries *>(series);
189 QPieSeries *pieSeries = qobject_cast<QPieSeries *>(series);
190 pieSeries->d->setParentItem(this);
190 pieSeries->d->setParentItem(this);
191 m_chartItems << pieSeries->d;
191 m_chartItems << pieSeries->d;
192 pieSeries->d->m_chartTheme = m_chartTheme;
192 pieSeries->d->m_chartTheme = m_chartTheme;
193 m_chartTheme->addObserver(pieSeries->d);
193 m_chartTheme->addObserver(pieSeries->d);
194 break;
194 break;
195 }
195 }
196 default:
196 default:
197 break;
197 break;
198 }
198 }
199
199
200 // Update all the items to match the new visible area of the chart
200 // Update all the items to match the new visible area of the chart
201 foreach(ChartItem* i, m_chartItems)
201 foreach(ChartItem* i, m_chartItems)
202 i->setPlotDomain(m_plotDomainList.at(m_plotDataIndex));
202 i->setPlotDomain(m_plotDomainList.at(m_plotDataIndex));
203 }
203 }
204
204
205 QChartSeries* QChart::createSeries(QChartSeries::QChartSeriesType type)
205 QChartSeries* QChart::createSeries(QChartSeries::QChartSeriesType type)
206 {
206 {
207 // TODO: support also other types; not only scatter and pie
207 // TODO: support also other types; not only scatter and pie
208
208
209 QChartSeries *series(0);
209 QChartSeries *series(0);
210
210
211 switch (type) {
211 switch (type) {
212 case QChartSeries::SeriesTypeLine: {
212 case QChartSeries::SeriesTypeLine: {
213 series = QXYChartSeries::create();
213 series = QXYChartSeries::create();
214 break;
214 break;
215 }
215 }
216 case QChartSeries::SeriesTypeBar: {
216 case QChartSeries::SeriesTypeBar: {
217 series = new BarChartSeries(this);
217 series = new BarChartSeries(this);
218 break;
218 break;
219 }
219 }
220 case QChartSeries::SeriesTypeStackedBar: {
220 case QChartSeries::SeriesTypeStackedBar: {
221 series = new StackedBarChartSeries(this);
221 series = new StackedBarChartSeries(this);
222 break;
222 break;
223 }
223 }
224 case QChartSeries::SeriesTypePercentBar: {
224 case QChartSeries::SeriesTypePercentBar: {
225 series = new PercentBarChartSeries(this);
225 series = new PercentBarChartSeries(this);
226 break;
226 break;
227 }
227 }
228 case QChartSeries::SeriesTypeScatter: {
228 case QChartSeries::SeriesTypeScatter: {
229 series = new QScatterSeries(this);
229 series = new QScatterSeries(this);
230 break;
230 break;
231 }
231 }
232 case QChartSeries::SeriesTypePie: {
232 case QChartSeries::SeriesTypePie: {
233 series = new QPieSeries(this);
233 series = new QPieSeries(this);
234 break;
234 break;
235 }
235 }
236 default:
236 default:
237 Q_ASSERT(false);
237 Q_ASSERT(false);
238 break;
238 break;
239 }
239 }
240
240
241 addSeries(series);
241 addSeries(series);
242 return series;
242 return series;
243 }
243 }
244
244
245 void QChart::setBackground(const QColor& startColor, const QColor& endColor, GradientOrientation orientation)
246 {
247
248 if(!m_backgroundItem){
249 m_backgroundItem = new QGraphicsRectItem(this);
250 m_backgroundItem->setZValue(-1);
251 }
252
253 m_bacgroundOrinetation = orientation;
254 m_backgroundGradient.setColorAt(0.0, startColor);
255 m_backgroundGradient.setColorAt(1.0, endColor);
256 m_backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
257
258 if(orientation == VerticalGradientOrientation){
259 m_backgroundGradient.setFinalStop(0,1);
260 }else{
261 m_backgroundGradient.setFinalStop(1,0);
262 }
263
264 m_backgroundItem->setBrush(m_backgroundGradient);
265 m_backgroundItem->setPen(Qt::NoPen);
266 m_backgroundItem->update();
267 }
268
269 void QChart::setChartBackgroundBrush(const QBrush& brush)
245 void QChart::setChartBackgroundBrush(const QBrush& brush)
270 {
246 {
271
247
272 if(!m_backgroundItem){
248 if(!m_backgroundItem){
273 m_backgroundItem = new QGraphicsRectItem(this);
249 m_backgroundItem = new QGraphicsRectItem(this);
274 m_backgroundItem->setZValue(-1);
250 m_backgroundItem->setZValue(-1);
275 }
251 }
276
252
277 m_backgroundItem->setBrush(brush);
253 m_backgroundItem->setBrush(brush);
278 m_backgroundItem->update();
254 m_backgroundItem->update();
279 }
255 }
280
256
281 void QChart::setChartBackgroundPen(const QPen& pen)
257 void QChart::setChartBackgroundPen(const QPen& pen)
282 {
258 {
283
259
284 if(!m_backgroundItem){
260 if(!m_backgroundItem){
285 m_backgroundItem = new QGraphicsRectItem(this);
261 m_backgroundItem = new QGraphicsRectItem(this);
286 m_backgroundItem->setZValue(-1);
262 m_backgroundItem->setZValue(-1);
287 }
263 }
288
264
289 m_backgroundItem->setPen(pen);
265 m_backgroundItem->setPen(pen);
290 m_backgroundItem->update();
266 m_backgroundItem->update();
291 }
267 }
292
268
293 void QChart::setTitle(const QString& title,const QFont& font)
269 void QChart::setTitle(const QString& title,const QFont& font)
294 {
270 {
295 if(!m_titleItem) m_titleItem = new QGraphicsTextItem(this);
271 if(!m_titleItem) m_titleItem = new QGraphicsTextItem(this);
296 m_titleItem->setPlainText(title);
272 m_titleItem->setPlainText(title);
297 m_titleItem->setFont(font);
273 m_titleItem->setFont(font);
298 }
274 }
299
275
300 int QChart::margin() const
276 int QChart::margin() const
301 {
277 {
302 return m_marginSize;
278 return m_marginSize;
303 }
279 }
304
280
305 void QChart::setMargin(int margin)
281 void QChart::setMargin(int margin)
306 {
282 {
307 m_marginSize = margin;
283 m_marginSize = margin;
308 }
284 }
309
285
310 void QChart::setTheme(QChart::ChartThemeId theme)
286 void QChart::setTheme(QChart::ChartThemeId theme)
311 {
287 {
312 m_chartTheme->setTheme(theme);
288 m_chartTheme->setTheme(theme);
313 setBackground(m_chartTheme->d->m_gradientStartColor,
289
314 m_chartTheme->d->m_gradientEndColor,
290 QLinearGradient backgroundGradient;
315 m_bacgroundOrinetation);
291 backgroundGradient.setColorAt(0.0, m_chartTheme->d->m_gradientStartColor);
292 backgroundGradient.setColorAt(1.0, m_chartTheme->d->m_gradientEndColor);
293 backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
294 setChartBackgroundBrush(backgroundGradient);
316
295
317 // TODO: Move the controlling of the series presentations into private implementation of the
296 // TODO: Move the controlling of the series presentations into private implementation of the
318 // series instead of QChart controlling themes for each
297 // series instead of QChart controlling themes for each
319 // In other words, the following should be used when creating xy series:
298 // In other words, the following should be used when creating xy series:
320 // m_chartTheme->addObserver(xyseries)
299 // m_chartTheme->addObserver(xyseries)
321 foreach (QChartSeries *series, m_chartSeries) {
300 foreach (QChartSeries *series, m_chartSeries) {
322 if (series->type() == QChartSeries::SeriesTypeLine) {
301 if (series->type() == QChartSeries::SeriesTypeLine) {
323 QXYChartSeries *xyseries = static_cast<QXYChartSeries *>(series);
302 QXYChartSeries *xyseries = static_cast<QXYChartSeries *>(series);
324 SeriesTheme seriesTheme = m_chartTheme->themeForSeries();
303 SeriesTheme seriesTheme = m_chartTheme->themeForSeries();
325 xyseries->setPen(seriesTheme.linePen);
304 xyseries->setPen(seriesTheme.linePen);
326 }
305 }
327 }
306 }
328
307
329 update();
308 update();
330 }
309 }
331
310
332 QChart::ChartThemeId QChart::theme()
311 QChart::ChartThemeId QChart::theme()
333 {
312 {
334 return (QChart::ChartThemeId) m_chartTheme->d->m_currentTheme;
313 return (QChart::ChartThemeId) m_chartTheme->d->m_currentTheme;
335 }
314 }
336
315
337 void QChart::zoomInToRect(const QRectF& rectangle)
316 void QChart::zoomInToRect(const QRectF& rectangle)
338 {
317 {
339
318
340 if(!rectangle.isValid()) return;
319 if(!rectangle.isValid()) return;
341
320
342 qreal margin = this->margin();
321 qreal margin = this->margin();
343
322
344 QRectF rect = rectangle.normalized();
323 QRectF rect = rectangle.normalized();
345 rect.translate(-margin, -margin);
324 rect.translate(-margin, -margin);
346
325
347 PlotDomain& oldDomain = m_plotDomainList[m_plotDataIndex];
326 PlotDomain& oldDomain = m_plotDomainList[m_plotDataIndex];
348
327
349 PlotDomain domain = oldDomain.subDomain(rect,m_rect.width() - 2 * margin,m_rect.height() - 2 * margin);
328 PlotDomain domain = oldDomain.subDomain(rect,m_rect.width() - 2 * margin,m_rect.height() - 2 * margin);
350
329
351 m_plotDomainList.resize(m_plotDataIndex + 1);
330 m_plotDomainList.resize(m_plotDataIndex + 1);
352 m_plotDomainList<<domain;
331 m_plotDomainList<<domain;
353 m_plotDataIndex++;
332 m_plotDataIndex++;
354
333
355 foreach (ChartItem* item, m_chartItems)
334 foreach (ChartItem* item, m_chartItems)
356 item->setPlotDomain(m_plotDomainList[m_plotDataIndex]);
335 item->setPlotDomain(m_plotDomainList[m_plotDataIndex]);
357 update();
336 update();
358 }
337 }
359
338
360 void QChart::zoomIn()
339 void QChart::zoomIn()
361 {
340 {
362 if (m_plotDataIndex < m_plotDomainList.count() - 1) {
341 if (m_plotDataIndex < m_plotDomainList.count() - 1) {
363 m_plotDataIndex++;
342 m_plotDataIndex++;
364 foreach (ChartItem* item, m_chartItems)
343 foreach (ChartItem* item, m_chartItems)
365 item->setPlotDomain(m_plotDomainList[m_plotDataIndex]);
344 item->setPlotDomain(m_plotDomainList[m_plotDataIndex]);
366 update();
345 update();
367 } else {
346 } else {
368 QRectF rect = m_rect.adjusted(margin(),margin(), -margin(), -margin());
347 QRectF rect = m_rect.adjusted(margin(),margin(), -margin(), -margin());
369 rect.setWidth(rect.width()/2);
348 rect.setWidth(rect.width()/2);
370 rect.setHeight(rect.height()/2);
349 rect.setHeight(rect.height()/2);
371 rect.moveCenter(m_rect.center());
350 rect.moveCenter(m_rect.center());
372 zoomInToRect(rect);
351 zoomInToRect(rect);
373 }
352 }
374 }
353 }
375
354
376 void QChart::zoomOut()
355 void QChart::zoomOut()
377 {
356 {
378 if (m_plotDataIndex > 0) {
357 if (m_plotDataIndex > 0) {
379 m_plotDataIndex--;
358 m_plotDataIndex--;
380 foreach (ChartItem* item, m_chartItems)
359 foreach (ChartItem* item, m_chartItems)
381 item->setPlotDomain(m_plotDomainList[m_plotDataIndex]);
360 item->setPlotDomain(m_plotDomainList[m_plotDataIndex]);
382 update();
361 update();
383 }
362 }
384 }
363 }
385
364
386 void QChart::zoomReset()
365 void QChart::zoomReset()
387 {
366 {
388 if (m_plotDataIndex > 0) {
367 if (m_plotDataIndex > 0) {
389 m_plotDataIndex = 0;
368 m_plotDataIndex = 0;
390 foreach (ChartItem* item, m_chartItems)
369 foreach (ChartItem* item, m_chartItems)
391 item->setPlotDomain(m_plotDomainList[m_plotDataIndex]);
370 item->setPlotDomain(m_plotDomainList[m_plotDataIndex]);
392 update();
371 update();
393 }
372 }
394 }
373 }
395
374
396 void QChart::setAxisX(const QChartAxis& axis)
375 void QChart::setAxisX(const QChartAxis& axis)
397 {
376 {
398 setAxis(m_axisXItem,axis);
377 setAxis(m_axisXItem,axis);
399 }
378 }
400 void QChart::setAxisY(const QChartAxis& axis)
379 void QChart::setAxisY(const QChartAxis& axis)
401 {
380 {
402 setAxis(m_axisYItem.at(0),axis);
381 setAxis(m_axisYItem.at(0),axis);
403 }
382 }
404
383
405 void QChart::setAxisY(const QList<QChartAxis>& axis)
384 void QChart::setAxisY(const QList<QChartAxis>& axis)
406 {
385 {
407 //TODO not implemented
386 //TODO not implemented
408 }
387 }
409
388
410 void QChart::setAxis(AxisItem *item, const QChartAxis& axis)
389 void QChart::setAxis(AxisItem *item, const QChartAxis& axis)
411 {
390 {
412 item->setVisible(axis.isAxisVisible());
391 item->setVisible(axis.isAxisVisible());
413 }
392 }
414
393
415 void QChart::resizeEvent(QGraphicsSceneResizeEvent *event)
394 void QChart::resizeEvent(QGraphicsSceneResizeEvent *event)
416 {
395 {
417
396
418 m_rect = QRectF(QPoint(0,0),event->newSize());
397 m_rect = QRectF(QPoint(0,0),event->newSize());
419 QRectF rect = m_rect.adjusted(margin(),margin(), -margin(), -margin());
398 QRectF rect = m_rect.adjusted(margin(),margin(), -margin(), -margin());
420
399
421 // recalculate title position
400 // recalculate title position
422 if (m_titleItem) {
401 if (m_titleItem) {
423 QPointF center = m_rect.center() -m_titleItem->boundingRect().center();
402 QPointF center = m_rect.center() -m_titleItem->boundingRect().center();
424 m_titleItem->setPos(center.x(),m_rect.top()/2 + margin()/2);
403 m_titleItem->setPos(center.x(),m_rect.top()/2 + margin()/2);
425 }
404 }
426
405
427 //recalculate background gradient
406 //recalculate background gradient
428 if (m_backgroundItem) {
407 if (m_backgroundItem) {
429 m_backgroundItem->setRect(rect);
408 m_backgroundItem->setRect(rect);
430 }
409 }
431
410
432 // resize and reposition childs
411 // resize and reposition childs
433 foreach (ChartItem *item, m_chartItems) {
412 foreach (ChartItem *item, m_chartItems) {
434 item->setPos(rect.topLeft());
413 item->setPos(rect.topLeft());
435 item->setSize(rect.size());
414 item->setSize(rect.size());
436 }
415 }
437
416
438 QGraphicsWidget::resizeEvent(event);
417 QGraphicsWidget::resizeEvent(event);
439 update();
418 update();
440 }
419 }
441
420
442
421
443
422
444 #include "moc_qchart.cpp"
423 #include "moc_qchart.cpp"
445
424
446 QTCOMMERCIALCHART_END_NAMESPACE
425 QTCOMMERCIALCHART_END_NAMESPACE
@@ -1,112 +1,107
1 #ifndef CHART_H
1 #ifndef CHART_H
2 #define CHART_H
2 #define CHART_H
3
3
4 #include <qchartglobal.h>
4 #include <qchartglobal.h>
5 #include <qchartseries.h>
5 #include <qchartseries.h>
6 #include <QGraphicsWidget>
6 #include <QGraphicsWidget>
7 #include <QLinearGradient>
7 #include <QLinearGradient>
8 #include <QFont>
8 #include <QFont>
9
9
10 class QGraphicsSceneResizeEvent;
10 class QGraphicsSceneResizeEvent;
11
11
12 QTCOMMERCIALCHART_BEGIN_NAMESPACE
12 QTCOMMERCIALCHART_BEGIN_NAMESPACE
13
13
14 class AxisItem;
14 class AxisItem;
15 class QChartSeries;
15 class QChartSeries;
16 class PlotDomain;
16 class PlotDomain;
17 class BarGroup;
17 class BarGroup;
18 class QChartAxis;
18 class QChartAxis;
19 class ChartTheme;
19 class ChartTheme;
20 class ChartItem;
20 class ChartItem;
21 class ChartDataSet;
21 class ChartDataSet;
22 class ChartPresenter;
22 class ChartPresenter;
23
23
24 // TODO: We don't need to have QChart tied to QGraphicsItem:
24 // TODO: We don't need to have QChart tied to QGraphicsItem:
25 //class QTCOMMERCIALCHART_EXPORT QChart
25 //class QTCOMMERCIALCHART_EXPORT QChart
26 //class QTCOMMERCIALCHART_EXPORT QChartGraphicsItem : public QGraphicsItem {
26 //class QTCOMMERCIALCHART_EXPORT QChartGraphicsItem : public QGraphicsItem {
27 // public: QChartGraphicsItem(QChart &chart);
27 // public: QChartGraphicsItem(QChart &chart);
28
28
29 /*!
29 /*!
30 * TODO: define the responsibilities
30 * TODO: define the responsibilities
31 */
31 */
32 class QTCOMMERCIALCHART_EXPORT QChart : public QGraphicsWidget
32 class QTCOMMERCIALCHART_EXPORT QChart : public QGraphicsWidget
33 {
33 {
34 Q_OBJECT
34 Q_OBJECT
35 public:
35 public:
36 enum GradientOrientation {
36 enum GradientOrientation {
37 HorizonatlGradientOrientation,
37 HorizonatlGradientOrientation,
38 VerticalGradientOrientation
38 VerticalGradientOrientation
39 };
39 };
40 enum ChartThemeId {
40 enum ChartThemeId {
41 ChartThemeInvalid = -1,
41 ChartThemeInvalid = -1,
42 /*! The default theme follows the GUI style of the Operating System */
42 /*! The default theme follows the GUI style of the Operating System */
43 ChartThemeDefault,
43 ChartThemeDefault,
44 ChartThemeVanilla,
44 ChartThemeVanilla,
45 ChartThemeIcy,
45 ChartThemeIcy,
46 ChartThemeGrayscale,
46 ChartThemeGrayscale,
47 ChartThemeScientific,
47 ChartThemeScientific,
48 ChartThemeUnnamed1
48 ChartThemeUnnamed1
49 };
49 };
50
50
51 public:
51 public:
52 QChart(QGraphicsItem *parent = 0, Qt::WindowFlags wFlags = 0);
52 QChart(QGraphicsItem *parent = 0, Qt::WindowFlags wFlags = 0);
53 ~QChart();
53 ~QChart();
54
54
55 void addSeries(QChartSeries* series);
55 void addSeries(QChartSeries* series);
56
56
57 //TODO: QChartSeries* createSeries(QSeriesData *data, QChartSeries::QChartSeriesType type);
57 //TODO: QChartSeries* createSeries(QSeriesData *data, QChartSeries::QChartSeriesType type);
58 // TODO: who owns the series now? maybe owned by chart and returned a reference instead...
58 // TODO: who owns the series now? maybe owned by chart and returned a reference instead...
59 QChartSeries* createSeries(QChartSeries::QChartSeriesType type);
59 QChartSeries* createSeries(QChartSeries::QChartSeriesType type);
60
60
61 void setMargin(int margin);
61 void setMargin(int margin);
62 int margin() const;
62 int margin() const;
63 void setTheme(QChart::ChartThemeId theme);
63 void setTheme(QChart::ChartThemeId theme);
64 QChart::ChartThemeId theme();
64 QChart::ChartThemeId theme();
65
65
66 void setTitle(const QString& title,const QFont& font = QFont());
66 void setTitle(const QString& title,const QFont& font = QFont());
67
68 //Obsolete interface
69 void setBackground(const QColor& startColor, const QColor& endColor = Qt::white, GradientOrientation orientation = VerticalGradientOrientation);
70
71 void setChartBackgroundBrush(const QBrush& brush);
67 void setChartBackgroundBrush(const QBrush& brush);
72 void setChartBackgroundPen(const QPen& pen);
68 void setChartBackgroundPen(const QPen& pen);
73
69
74 void zoomInToRect(const QRectF& rectangle);
70 void zoomInToRect(const QRectF& rectangle);
75 void zoomIn();
71 void zoomIn();
76 void zoomOut();
72 void zoomOut();
77 void zoomReset();
73 void zoomReset();
78
74
79 void setAxisX(const QChartAxis& axis);
75 void setAxisX(const QChartAxis& axis);
80 void setAxisY(const QChartAxis& axis);
76 void setAxisY(const QChartAxis& axis);
81 void setAxisY(const QList<QChartAxis>& axis);
77 void setAxisY(const QList<QChartAxis>& axis);
82
78
83 protected:
79 protected:
84 void resizeEvent(QGraphicsSceneResizeEvent *event);
80 void resizeEvent(QGraphicsSceneResizeEvent *event);
85
81
86 private:
82 private:
87 void setAxis(AxisItem *item, const QChartAxis& axis);
83 void setAxis(AxisItem *item, const QChartAxis& axis);
88
84
89 private:
85 private:
90 Q_DISABLE_COPY(QChart)
86 Q_DISABLE_COPY(QChart)
91 QGraphicsRectItem* m_backgroundItem;
87 QGraphicsRectItem* m_backgroundItem;
92 QLinearGradient m_backgroundGradient;
93 GradientOrientation m_bacgroundOrinetation;
88 GradientOrientation m_bacgroundOrinetation;
94 QGraphicsTextItem* m_titleItem;
89 QGraphicsTextItem* m_titleItem;
95 AxisItem* m_axisXItem;
90 AxisItem* m_axisXItem;
96 QList<AxisItem*> m_axisYItem;
91 QList<AxisItem*> m_axisYItem;
97 QRectF m_rect;
92 QRectF m_rect;
98 QList<QChartSeries *> m_chartSeries;
93 QList<QChartSeries *> m_chartSeries;
99 QList<ChartItem *> m_chartItems;
94 QList<ChartItem *> m_chartItems;
100 QVector<PlotDomain> m_plotDomainList;
95 QVector<PlotDomain> m_plotDomainList;
101 int m_plotDataIndex;
96 int m_plotDataIndex;
102 int m_marginSize;
97 int m_marginSize;
103 ChartTheme *m_chartTheme;
98 ChartTheme *m_chartTheme;
104
99
105
100
106 ChartDataSet *m_dataset;
101 ChartDataSet *m_dataset;
107 ChartPresenter *m_presenter;
102 ChartPresenter *m_presenter;
108 };
103 };
109
104
110 QTCOMMERCIALCHART_END_NAMESPACE
105 QTCOMMERCIALCHART_END_NAMESPACE
111
106
112 #endif
107 #endif
@@ -1,202 +1,197
1 #include "qchartview.h"
1 #include "qchartview.h"
2 #include "qchart.h"
2 #include "qchart.h"
3 #include <QGraphicsView>
3 #include <QGraphicsView>
4 #include <QGraphicsScene>
4 #include <QGraphicsScene>
5 #include <QRubberBand>
5 #include <QRubberBand>
6 #include <QResizeEvent>
6 #include <QResizeEvent>
7 #include <QDebug>
7 #include <QDebug>
8
8
9 QTCOMMERCIALCHART_BEGIN_NAMESPACE
9 QTCOMMERCIALCHART_BEGIN_NAMESPACE
10
10
11 QChartView::QChartView(QWidget *parent) :
11 QChartView::QChartView(QWidget *parent) :
12 QGraphicsView(parent),
12 QGraphicsView(parent),
13 m_scene(new QGraphicsScene()),
13 m_scene(new QGraphicsScene()),
14 m_chart(new QChart()),
14 m_chart(new QChart()),
15 m_rubberBand(0),
15 m_rubberBand(0),
16 m_verticalRubberBand(false),
16 m_verticalRubberBand(false),
17 m_horizonalRubberBand(false)
17 m_horizonalRubberBand(false)
18 {
18 {
19 setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
19 setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
20 setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
20 setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
21 setScene(m_scene);
21 setScene(m_scene);
22 m_chart->setMargin(50);
22 m_chart->setMargin(50);
23 m_scene->addItem(m_chart);
23 m_scene->addItem(m_chart);
24 setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
24 setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
25 }
25 }
26
26
27 QChartView::~QChartView()
27 QChartView::~QChartView()
28 {
28 {
29 }
29 }
30
30
31 void QChartView::resizeEvent(QResizeEvent *event)
31 void QChartView::resizeEvent(QResizeEvent *event)
32 {
32 {
33 m_scene->setSceneRect(0,0,size().width(),size().height());
33 m_scene->setSceneRect(0,0,size().width(),size().height());
34 m_chart->resize(size());
34 m_chart->resize(size());
35 QWidget::resizeEvent(event);
35 QWidget::resizeEvent(event);
36 }
36 }
37
37
38
38
39 void QChartView::addSeries(QChartSeries* series)
39 void QChartView::addSeries(QChartSeries* series)
40 {
40 {
41 m_chart->addSeries(series);
41 m_chart->addSeries(series);
42 }
42 }
43
43
44 QChartSeries* QChartView::createSeries(QChartSeries::QChartSeriesType type)
44 QChartSeries* QChartView::createSeries(QChartSeries::QChartSeriesType type)
45 {
45 {
46
46
47 return m_chart->createSeries(type);
47 return m_chart->createSeries(type);
48 }
48 }
49
49
50 void QChartView::zoomInToRect(const QRect& rectangle)
50 void QChartView::zoomInToRect(const QRect& rectangle)
51 {
51 {
52 m_chart->zoomInToRect(rectangle);
52 m_chart->zoomInToRect(rectangle);
53 }
53 }
54
54
55 void QChartView::zoomIn()
55 void QChartView::zoomIn()
56 {
56 {
57 m_chart->zoomIn();
57 m_chart->zoomIn();
58 }
58 }
59
59
60 void QChartView::zoomOut()
60 void QChartView::zoomOut()
61 {
61 {
62 m_chart->zoomOut();
62 m_chart->zoomOut();
63 }
63 }
64
64
65 int QChartView::margin() const
65 int QChartView::margin() const
66 {
66 {
67 return m_chart->margin();
67 return m_chart->margin();
68 }
68 }
69
69
70 void QChartView::setTitle(const QString& title)
70 void QChartView::setTitle(const QString& title)
71 {
71 {
72 m_chart->setTitle(title);
72 m_chart->setTitle(title);
73 }
73 }
74
74
75 void QChartView::setBackground(const QColor& startColor, const QColor& endColor, QChart::GradientOrientation orientation)
76 {
77 m_chart->setBackground(startColor,endColor,orientation);
78 }
79
80 void QChartView::setChartBackgroundBrush(const QBrush& brush)
75 void QChartView::setChartBackgroundBrush(const QBrush& brush)
81 {
76 {
82 m_chart->setChartBackgroundBrush(brush);
77 m_chart->setChartBackgroundBrush(brush);
83 }
78 }
84 void QChartView::setChartBackgroundPen(const QPen& pen)
79 void QChartView::setChartBackgroundPen(const QPen& pen)
85 {
80 {
86 m_chart->setChartBackgroundPen(pen);
81 m_chart->setChartBackgroundPen(pen);
87 }
82 }
88
83
89
84
90 void QChartView::setRubberBandPolicy(const RubberBandPolicy policy)
85 void QChartView::setRubberBandPolicy(const RubberBandPolicy policy)
91 {
86 {
92 switch(policy){
87 switch(policy){
93 case VerticalRubberBand:
88 case VerticalRubberBand:
94 m_verticalRubberBand = true;
89 m_verticalRubberBand = true;
95 m_horizonalRubberBand = false;
90 m_horizonalRubberBand = false;
96 break;
91 break;
97 case HorizonalRubberBand:
92 case HorizonalRubberBand:
98 m_verticalRubberBand = false;
93 m_verticalRubberBand = false;
99 m_horizonalRubberBand = true;
94 m_horizonalRubberBand = true;
100 break;
95 break;
101 case RectangleRubberBand:
96 case RectangleRubberBand:
102 m_verticalRubberBand = true;
97 m_verticalRubberBand = true;
103 m_horizonalRubberBand = true;
98 m_horizonalRubberBand = true;
104 break;
99 break;
105 case NoRubberBand:
100 case NoRubberBand:
106 default:
101 default:
107 delete m_rubberBand;
102 delete m_rubberBand;
108 m_rubberBand=0;
103 m_rubberBand=0;
109 m_horizonalRubberBand = false;
104 m_horizonalRubberBand = false;
110 m_verticalRubberBand = false;
105 m_verticalRubberBand = false;
111 return;
106 return;
112 }
107 }
113
108
114 m_rubberBand = new QRubberBand(QRubberBand::Rectangle, this);
109 m_rubberBand = new QRubberBand(QRubberBand::Rectangle, this);
115 m_rubberBand->setEnabled(true);
110 m_rubberBand->setEnabled(true);
116 }
111 }
117
112
118 QChartView::RubberBandPolicy QChartView::rubberBandPolicy() const
113 QChartView::RubberBandPolicy QChartView::rubberBandPolicy() const
119 {
114 {
120 if(m_horizonalRubberBand && m_verticalRubberBand) return RectangleRubberBand;
115 if(m_horizonalRubberBand && m_verticalRubberBand) return RectangleRubberBand;
121 if(m_horizonalRubberBand) return HorizonalRubberBand;
116 if(m_horizonalRubberBand) return HorizonalRubberBand;
122 if(m_verticalRubberBand) return VerticalRubberBand;
117 if(m_verticalRubberBand) return VerticalRubberBand;
123 return NoRubberBand;
118 return NoRubberBand;
124 }
119 }
125
120
126
121
127 void QChartView::mousePressEvent(QMouseEvent *event)
122 void QChartView::mousePressEvent(QMouseEvent *event)
128 {
123 {
129 if(m_rubberBand && m_rubberBand->isEnabled() && event->button() == Qt::LeftButton) {
124 if(m_rubberBand && m_rubberBand->isEnabled() && event->button() == Qt::LeftButton) {
130
125
131 int margin = m_chart->margin();
126 int margin = m_chart->margin();
132 QRect rect(margin, margin, width() - 2 * margin, height() - 2 * margin);
127 QRect rect(margin, margin, width() - 2 * margin, height() - 2 * margin);
133
128
134 if (rect.contains(event->pos())) {
129 if (rect.contains(event->pos())) {
135 m_rubberBandOrigin = event->pos();
130 m_rubberBandOrigin = event->pos();
136 m_rubberBand->setGeometry(QRect(m_rubberBandOrigin, QSize()));
131 m_rubberBand->setGeometry(QRect(m_rubberBandOrigin, QSize()));
137 m_rubberBand->show();
132 m_rubberBand->show();
138 event->accept();
133 event->accept();
139 }
134 }
140 }
135 }
141 }
136 }
142
137
143 void QChartView::mouseMoveEvent(QMouseEvent *event)
138 void QChartView::mouseMoveEvent(QMouseEvent *event)
144 {
139 {
145 if(m_rubberBand && m_rubberBand->isVisible()){
140 if(m_rubberBand && m_rubberBand->isVisible()){
146 int margin = m_chart->margin();
141 int margin = m_chart->margin();
147 QRect rect(margin, margin, width() - 2 * margin, height() - 2 * margin);
142 QRect rect(margin, margin, width() - 2 * margin, height() - 2 * margin);
148 int width = event->pos().x() - m_rubberBandOrigin.x();
143 int width = event->pos().x() - m_rubberBandOrigin.x();
149 int height = event->pos().y() - m_rubberBandOrigin.y();
144 int height = event->pos().y() - m_rubberBandOrigin.y();
150 if(!m_verticalRubberBand) {
145 if(!m_verticalRubberBand) {
151 m_rubberBandOrigin.setY(rect.top());
146 m_rubberBandOrigin.setY(rect.top());
152 height = rect.height();
147 height = rect.height();
153 }
148 }
154 if(!m_horizonalRubberBand) {
149 if(!m_horizonalRubberBand) {
155 m_rubberBandOrigin.setX(rect.left());
150 m_rubberBandOrigin.setX(rect.left());
156 width= rect.width();
151 width= rect.width();
157 }
152 }
158 m_rubberBand->setGeometry(QRect(m_rubberBandOrigin.x(),m_rubberBandOrigin.y(), width,height).normalized());
153 m_rubberBand->setGeometry(QRect(m_rubberBandOrigin.x(),m_rubberBandOrigin.y(), width,height).normalized());
159 } else {
154 } else {
160 QGraphicsView::mouseMoveEvent(event);
155 QGraphicsView::mouseMoveEvent(event);
161 }
156 }
162 }
157 }
163
158
164 void QChartView::mouseReleaseEvent(QMouseEvent *event)
159 void QChartView::mouseReleaseEvent(QMouseEvent *event)
165 {
160 {
166 if(m_rubberBand){
161 if(m_rubberBand){
167 if (event->button() == Qt::LeftButton && m_rubberBand->isVisible()) {
162 if (event->button() == Qt::LeftButton && m_rubberBand->isVisible()) {
168 m_rubberBand->hide();
163 m_rubberBand->hide();
169 QRect rect = m_rubberBand->geometry();
164 QRect rect = m_rubberBand->geometry();
170 m_chart->zoomInToRect(rect);
165 m_chart->zoomInToRect(rect);
171 event->accept();
166 event->accept();
172 }
167 }
173
168
174 if(event->button()==Qt::RightButton)
169 if(event->button()==Qt::RightButton)
175 m_chart->zoomReset();
170 m_chart->zoomReset();
176 }else{
171 }else{
177 QGraphicsView::mouseReleaseEvent(event);
172 QGraphicsView::mouseReleaseEvent(event);
178 }
173 }
179 }
174 }
180
175
181 void QChartView::keyPressEvent(QKeyEvent *event)
176 void QChartView::keyPressEvent(QKeyEvent *event)
182 {
177 {
183 switch (event->key()) {
178 switch (event->key()) {
184 case Qt::Key_Plus:
179 case Qt::Key_Plus:
185 zoomIn();
180 zoomIn();
186 break;
181 break;
187 case Qt::Key_Minus:
182 case Qt::Key_Minus:
188 zoomOut();
183 zoomOut();
189 break;
184 break;
190 default:
185 default:
191 QGraphicsView::keyPressEvent(event);
186 QGraphicsView::keyPressEvent(event);
192 break;
187 break;
193 }
188 }
194 }
189 }
195
190
196 void QChartView::setTheme(QChart::ChartThemeId theme)
191 void QChartView::setTheme(QChart::ChartThemeId theme)
197 {
192 {
198 m_chart->setTheme(theme);
193 m_chart->setTheme(theme);
199 }
194 }
200
195
201
196
202 QTCOMMERCIALCHART_END_NAMESPACE
197 QTCOMMERCIALCHART_END_NAMESPACE
@@ -1,72 +1,68
1 #ifndef QCHARTWIDGET_H
1 #ifndef QCHARTWIDGET_H
2 #define QCHARTWIDGET_H
2 #define QCHARTWIDGET_H
3
3
4 #include "qchartglobal.h"
4 #include "qchartglobal.h"
5 #include "qchartseries.h"
5 #include "qchartseries.h"
6 #include "qchart.h"
6 #include "qchart.h"
7 #include <QGraphicsView>
7 #include <QGraphicsView>
8
8
9 class QGraphicsScene;
9 class QGraphicsScene;
10 class QRubberBand;
10 class QRubberBand;
11
11
12 QTCOMMERCIALCHART_BEGIN_NAMESPACE
12 QTCOMMERCIALCHART_BEGIN_NAMESPACE
13
13
14 class QChart;
14 class QChart;
15
15
16 class QTCOMMERCIALCHART_EXPORT QChartView : public QGraphicsView
16 class QTCOMMERCIALCHART_EXPORT QChartView : public QGraphicsView
17 {
17 {
18 public:
18 public:
19 enum RubberBandPolicy { NoRubberBand, VerticalRubberBand, HorizonalRubberBand, RectangleRubberBand };
19 enum RubberBandPolicy { NoRubberBand, VerticalRubberBand, HorizonalRubberBand, RectangleRubberBand };
20
20
21 explicit QChartView(QWidget *parent = 0);
21 explicit QChartView(QWidget *parent = 0);
22 ~QChartView();
22 ~QChartView();
23
23
24 //implement from QWidget
24 //implement from QWidget
25 void resizeEvent(QResizeEvent *event);
25 void resizeEvent(QResizeEvent *event);
26
26
27 void addSeries(QChartSeries* series);
27 void addSeries(QChartSeries* series);
28
28
29 // Convenience function
29 // Convenience function
30 QChartSeries* createSeries(QChartSeries::QChartSeriesType type);
30 QChartSeries* createSeries(QChartSeries::QChartSeriesType type);
31
31
32 int margin() const;
32 int margin() const;
33
33
34 void setTitle(const QString& title);
34 void setTitle(const QString& title);
35
36 //Obsolete interface
37 void setBackground(const QColor& startColor, const QColor& endColor = Qt::white, QChart::GradientOrientation orientation = QChart::VerticalGradientOrientation);
38
39 void setChartBackgroundBrush(const QBrush& brush);
35 void setChartBackgroundBrush(const QBrush& brush);
40 void setChartBackgroundPen(const QPen& pen);
36 void setChartBackgroundPen(const QPen& pen);
41
37
42 void zoomInToRect(const QRect& rectangle);
38 void zoomInToRect(const QRect& rectangle);
43 void zoomIn();
39 void zoomIn();
44 void zoomOut();
40 void zoomOut();
45
41
46 void setRubberBandPolicy(const RubberBandPolicy );
42 void setRubberBandPolicy(const RubberBandPolicy );
47 RubberBandPolicy rubberBandPolicy() const;
43 RubberBandPolicy rubberBandPolicy() const;
48
44
49 void setTheme(QChart::ChartThemeId theme);
45 void setTheme(QChart::ChartThemeId theme);
50
46
51 protected:
47 protected:
52 void mousePressEvent(QMouseEvent *event);
48 void mousePressEvent(QMouseEvent *event);
53 void mouseMoveEvent(QMouseEvent *event);
49 void mouseMoveEvent(QMouseEvent *event);
54 void mouseReleaseEvent(QMouseEvent *event);
50 void mouseReleaseEvent(QMouseEvent *event);
55 void keyPressEvent(QKeyEvent *event);
51 void keyPressEvent(QKeyEvent *event);
56
52
57
53
58 private:
54 private:
59 QGraphicsScene *m_scene;
55 QGraphicsScene *m_scene;
60 QChart* m_chart;
56 QChart* m_chart;
61 QPoint m_rubberBandOrigin;
57 QPoint m_rubberBandOrigin;
62 QRubberBand* m_rubberBand;
58 QRubberBand* m_rubberBand;
63 bool m_verticalRubberBand;
59 bool m_verticalRubberBand;
64 bool m_horizonalRubberBand;
60 bool m_horizonalRubberBand;
65 Q_DISABLE_COPY(QChartView)
61 Q_DISABLE_COPY(QChartView)
66
62
67
63
68 };
64 };
69
65
70 QTCOMMERCIALCHART_END_NAMESPACE
66 QTCOMMERCIALCHART_END_NAMESPACE
71
67
72 #endif // QCHARTWIDGET_H
68 #endif // QCHARTWIDGET_H
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