@@ -1,209 +1,215 | |||||
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 "piechartitem_p.h" |
|
21 | #include "piechartitem_p.h" | |
22 | #include "piesliceitem_p.h" |
|
22 | #include "piesliceitem_p.h" | |
23 | #include "qpieslice.h" |
|
23 | #include "qpieslice.h" | |
24 | #include "qpieslice_p.h" |
|
24 | #include "qpieslice_p.h" | |
25 | #include "qpieseries.h" |
|
25 | #include "qpieseries.h" | |
26 | #include "qpieseries_p.h" |
|
26 | #include "qpieseries_p.h" | |
27 | #include "chartpresenter_p.h" |
|
27 | #include "chartpresenter_p.h" | |
28 | #include "chartdataset_p.h" |
|
28 | #include "chartdataset_p.h" | |
29 | #include "chartanimator_p.h" |
|
29 | #include "chartanimator_p.h" | |
30 | #include <QPainter> |
|
30 | #include <QPainter> | |
31 | #include <QTimer> |
|
31 | #include <QTimer> | |
32 |
|
32 | |||
33 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
33 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
34 |
|
34 | |||
35 | PieChartItem::PieChartItem(QPieSeries *series, ChartPresenter* presenter) |
|
35 | PieChartItem::PieChartItem(QPieSeries *series, ChartPresenter* presenter) | |
36 | :ChartItem(presenter), |
|
36 | :ChartItem(presenter), | |
37 | m_series(series) |
|
37 | m_series(series) | |
38 | { |
|
38 | { | |
39 | Q_ASSERT(series); |
|
39 | Q_ASSERT(series); | |
40 |
|
40 | |||
|
41 | connect(series, SIGNAL(visibleChanged()), this, SLOT(handleSeriesVisibleChanged())); | |||
41 | connect(series, SIGNAL(added(QList<QPieSlice*>)), this, SLOT(handleSlicesAdded(QList<QPieSlice*>))); |
|
42 | connect(series, SIGNAL(added(QList<QPieSlice*>)), this, SLOT(handleSlicesAdded(QList<QPieSlice*>))); | |
42 | connect(series, SIGNAL(removed(QList<QPieSlice*>)), this, SLOT(handleSlicesRemoved(QList<QPieSlice*>))); |
|
43 | connect(series, SIGNAL(removed(QList<QPieSlice*>)), this, SLOT(handleSlicesRemoved(QList<QPieSlice*>))); | |
43 | connect(series, SIGNAL(horizontalPositionChanged()), this, SLOT(updateLayout())); |
|
44 | connect(series, SIGNAL(horizontalPositionChanged()), this, SLOT(updateLayout())); | |
44 | connect(series, SIGNAL(verticalPositionChanged()), this, SLOT(updateLayout())); |
|
45 | connect(series, SIGNAL(verticalPositionChanged()), this, SLOT(updateLayout())); | |
45 | connect(series, SIGNAL(pieSizeChanged()), this, SLOT(updateLayout())); |
|
46 | connect(series, SIGNAL(pieSizeChanged()), this, SLOT(updateLayout())); | |
46 | connect(QPieSeriesPrivate::fromSeries(series), SIGNAL(calculatedDataChanged()), this, SLOT(updateLayout())); |
|
47 | connect(QPieSeriesPrivate::fromSeries(series), SIGNAL(calculatedDataChanged()), this, SLOT(updateLayout())); | |
47 |
|
48 | |||
48 | // Note: the following does not affect as long as the item does not have anything to paint |
|
49 | // Note: the following does not affect as long as the item does not have anything to paint | |
49 | setZValue(ChartPresenter::PieSeriesZValue); |
|
50 | setZValue(ChartPresenter::PieSeriesZValue); | |
50 |
|
51 | |||
51 | // Note: will not create slice items until we have a proper rectangle to draw on. |
|
52 | // Note: will not create slice items until we have a proper rectangle to draw on. | |
52 | } |
|
53 | } | |
53 |
|
54 | |||
54 | PieChartItem::~PieChartItem() |
|
55 | PieChartItem::~PieChartItem() | |
55 | { |
|
56 | { | |
56 | // slices deleted automatically through QGraphicsItem |
|
57 | // slices deleted automatically through QGraphicsItem | |
57 | } |
|
58 | } | |
58 |
|
59 | |||
59 | void PieChartItem::handleGeometryChanged(const QRectF& rect) |
|
60 | void PieChartItem::handleGeometryChanged(const QRectF& rect) | |
60 | { |
|
61 | { | |
61 | prepareGeometryChange(); |
|
62 | prepareGeometryChange(); | |
62 | m_rect = rect; |
|
63 | m_rect = rect; | |
63 | updateLayout(); |
|
64 | updateLayout(); | |
64 |
|
65 | |||
65 | // This is for delayed initialization of the slice items during startup. |
|
66 | // This is for delayed initialization of the slice items during startup. | |
66 | // It ensures that startup animation originates from the correct position. |
|
67 | // It ensures that startup animation originates from the correct position. | |
67 | if (m_sliceItems.isEmpty()) |
|
68 | if (m_sliceItems.isEmpty()) | |
68 | handleSlicesAdded(m_series->slices()); |
|
69 | handleSlicesAdded(m_series->slices()); | |
69 | } |
|
70 | } | |
70 |
|
71 | |||
71 | void PieChartItem::handleDomainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY) |
|
72 | void PieChartItem::handleDomainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY) | |
72 | { |
|
73 | { | |
73 | Q_UNUSED(minX); |
|
74 | Q_UNUSED(minX); | |
74 | Q_UNUSED(maxX); |
|
75 | Q_UNUSED(maxX); | |
75 | Q_UNUSED(minY); |
|
76 | Q_UNUSED(minY); | |
76 | Q_UNUSED(maxY); |
|
77 | Q_UNUSED(maxY); | |
77 | // does not apply to pie |
|
78 | // does not apply to pie | |
78 | } |
|
79 | } | |
79 |
|
80 | |||
80 | void PieChartItem::rangeXChanged(qreal min, qreal max, int tickXCount) |
|
81 | void PieChartItem::rangeXChanged(qreal min, qreal max, int tickXCount) | |
81 | { |
|
82 | { | |
82 | Q_UNUSED(min); |
|
83 | Q_UNUSED(min); | |
83 | Q_UNUSED(max); |
|
84 | Q_UNUSED(max); | |
84 | Q_UNUSED(tickXCount); |
|
85 | Q_UNUSED(tickXCount); | |
85 | // does not apply to pie |
|
86 | // does not apply to pie | |
86 | } |
|
87 | } | |
87 |
|
88 | |||
88 | void PieChartItem::rangeYChanged(qreal min, qreal max, int tickYCount) |
|
89 | void PieChartItem::rangeYChanged(qreal min, qreal max, int tickYCount) | |
89 | { |
|
90 | { | |
90 | Q_UNUSED(min); |
|
91 | Q_UNUSED(min); | |
91 | Q_UNUSED(max); |
|
92 | Q_UNUSED(max); | |
92 | Q_UNUSED(tickYCount); |
|
93 | Q_UNUSED(tickYCount); | |
93 | // does not apply to pie |
|
94 | // does not apply to pie | |
94 | } |
|
95 | } | |
95 |
|
96 | |||
96 | void PieChartItem::updateLayout() |
|
97 | void PieChartItem::updateLayout() | |
97 | { |
|
98 | { | |
98 | // find pie center coordinates |
|
99 | // find pie center coordinates | |
99 | m_pieCenter.setX(m_rect.left() + (m_rect.width() * m_series->horizontalPosition())); |
|
100 | m_pieCenter.setX(m_rect.left() + (m_rect.width() * m_series->horizontalPosition())); | |
100 | m_pieCenter.setY(m_rect.top() + (m_rect.height() * m_series->verticalPosition())); |
|
101 | m_pieCenter.setY(m_rect.top() + (m_rect.height() * m_series->verticalPosition())); | |
101 |
|
102 | |||
102 | // find maximum radius for pie |
|
103 | // find maximum radius for pie | |
103 | m_pieRadius = m_rect.height() / 2; |
|
104 | m_pieRadius = m_rect.height() / 2; | |
104 | if (m_rect.width() < m_rect.height()) |
|
105 | if (m_rect.width() < m_rect.height()) | |
105 | m_pieRadius = m_rect.width() / 2; |
|
106 | m_pieRadius = m_rect.width() / 2; | |
106 |
|
107 | |||
107 | // apply size factor |
|
108 | // apply size factor | |
108 | m_pieRadius *= m_series->pieSize(); |
|
109 | m_pieRadius *= m_series->pieSize(); | |
109 |
|
110 | |||
110 | // set layouts for existing slice items |
|
111 | // set layouts for existing slice items | |
111 | foreach (QPieSlice* slice, m_series->slices()) { |
|
112 | foreach (QPieSlice* slice, m_series->slices()) { | |
112 | PieSliceItem *sliceItem = m_sliceItems.value(slice); |
|
113 | PieSliceItem *sliceItem = m_sliceItems.value(slice); | |
113 | if (sliceItem) { |
|
114 | if (sliceItem) { | |
114 | PieSliceData sliceData = updateSliceGeometry(slice); |
|
115 | PieSliceData sliceData = updateSliceGeometry(slice); | |
115 | if (animator()) |
|
116 | if (animator()) | |
116 | animator()->updateAnimation(this, sliceItem, sliceData); |
|
117 | animator()->updateAnimation(this, sliceItem, sliceData); | |
117 | else |
|
118 | else | |
118 | sliceItem->setLayout(sliceData); |
|
119 | sliceItem->setLayout(sliceData); | |
119 | } |
|
120 | } | |
120 | } |
|
121 | } | |
121 |
|
122 | |||
122 | update(); |
|
123 | update(); | |
123 | } |
|
124 | } | |
124 |
|
125 | |||
125 | void PieChartItem::handleSlicesAdded(QList<QPieSlice*> slices) |
|
126 | void PieChartItem::handleSlicesAdded(QList<QPieSlice*> slices) | |
126 | { |
|
127 | { | |
127 | // delay creating slice items until there is a proper rectangle |
|
128 | // delay creating slice items until there is a proper rectangle | |
128 | if (!m_rect.isValid() && m_sliceItems.isEmpty()) |
|
129 | if (!m_rect.isValid() && m_sliceItems.isEmpty()) | |
129 | return; |
|
130 | return; | |
130 |
|
131 | |||
131 | presenter()->chartTheme()->decorate(m_series, presenter()->dataSet()->seriesIndex(m_series)); |
|
132 | presenter()->chartTheme()->decorate(m_series, presenter()->dataSet()->seriesIndex(m_series)); | |
132 |
|
133 | |||
133 | bool startupAnimation = m_sliceItems.isEmpty(); |
|
134 | bool startupAnimation = m_sliceItems.isEmpty(); | |
134 |
|
135 | |||
135 | foreach (QPieSlice *slice, slices) { |
|
136 | foreach (QPieSlice *slice, slices) { | |
136 | PieSliceItem* sliceItem = new PieSliceItem(this); |
|
137 | PieSliceItem* sliceItem = new PieSliceItem(this); | |
137 | m_sliceItems.insert(slice, sliceItem); |
|
138 | m_sliceItems.insert(slice, sliceItem); | |
138 |
|
139 | |||
139 | // Note: do need to connect to slice valueChanged() etc. |
|
140 | // Note: do need to connect to slice valueChanged() etc. | |
140 | // This is handled through calculatedDataChanged signal. |
|
141 | // This is handled through calculatedDataChanged signal. | |
141 | connect(slice, SIGNAL(labelChanged()), this, SLOT(handleSliceChanged())); |
|
142 | connect(slice, SIGNAL(labelChanged()), this, SLOT(handleSliceChanged())); | |
142 | connect(slice, SIGNAL(labelVisibleChanged()), this, SLOT(handleSliceChanged())); |
|
143 | connect(slice, SIGNAL(labelVisibleChanged()), this, SLOT(handleSliceChanged())); | |
143 | connect(slice, SIGNAL(explodedChanged()), this, SLOT(handleSliceChanged())); |
|
144 | connect(slice, SIGNAL(explodedChanged()), this, SLOT(handleSliceChanged())); | |
144 | connect(slice, SIGNAL(penChanged()), this, SLOT(handleSliceChanged())); |
|
145 | connect(slice, SIGNAL(penChanged()), this, SLOT(handleSliceChanged())); | |
145 | connect(slice, SIGNAL(brushChanged()), this, SLOT(handleSliceChanged())); |
|
146 | connect(slice, SIGNAL(brushChanged()), this, SLOT(handleSliceChanged())); | |
146 | connect(slice, SIGNAL(labelBrushChanged()), this, SLOT(handleSliceChanged())); |
|
147 | connect(slice, SIGNAL(labelBrushChanged()), this, SLOT(handleSliceChanged())); | |
147 | connect(slice, SIGNAL(labelFontChanged()), this, SLOT(handleSliceChanged())); |
|
148 | connect(slice, SIGNAL(labelFontChanged()), this, SLOT(handleSliceChanged())); | |
148 | connect(slice, SIGNAL(labelPositionChanged()), this, SLOT(handleSliceChanged())); |
|
149 | connect(slice, SIGNAL(labelPositionChanged()), this, SLOT(handleSliceChanged())); | |
149 | connect(slice, SIGNAL(labelArmLengthFactorChanged()), this, SLOT(handleSliceChanged())); |
|
150 | connect(slice, SIGNAL(labelArmLengthFactorChanged()), this, SLOT(handleSliceChanged())); | |
150 | connect(slice, SIGNAL(explodeDistanceFactorChanged()), this, SLOT(handleSliceChanged())); |
|
151 | connect(slice, SIGNAL(explodeDistanceFactorChanged()), this, SLOT(handleSliceChanged())); | |
151 |
|
152 | |||
152 | connect(sliceItem, SIGNAL(clicked(Qt::MouseButtons)), slice, SIGNAL(clicked())); |
|
153 | connect(sliceItem, SIGNAL(clicked(Qt::MouseButtons)), slice, SIGNAL(clicked())); | |
153 | connect(sliceItem, SIGNAL(hovered(bool)), slice, SIGNAL(hovered(bool))); |
|
154 | connect(sliceItem, SIGNAL(hovered(bool)), slice, SIGNAL(hovered(bool))); | |
154 |
|
155 | |||
155 | PieSliceData sliceData = updateSliceGeometry(slice); |
|
156 | PieSliceData sliceData = updateSliceGeometry(slice); | |
156 | if (animator()) |
|
157 | if (animator()) | |
157 | animator()->addAnimation(this, sliceItem, sliceData, startupAnimation); |
|
158 | animator()->addAnimation(this, sliceItem, sliceData, startupAnimation); | |
158 | else |
|
159 | else | |
159 | sliceItem->setLayout(sliceData); |
|
160 | sliceItem->setLayout(sliceData); | |
160 | } |
|
161 | } | |
161 | } |
|
162 | } | |
162 |
|
163 | |||
163 | void PieChartItem::handleSlicesRemoved(QList<QPieSlice*> slices) |
|
164 | void PieChartItem::handleSlicesRemoved(QList<QPieSlice*> slices) | |
164 | { |
|
165 | { | |
165 | presenter()->chartTheme()->decorate(m_series, presenter()->dataSet()->seriesIndex(m_series)); |
|
166 | presenter()->chartTheme()->decorate(m_series, presenter()->dataSet()->seriesIndex(m_series)); | |
166 |
|
167 | |||
167 | foreach (QPieSlice *slice, slices) { |
|
168 | foreach (QPieSlice *slice, slices) { | |
168 |
|
169 | |||
169 | PieSliceItem *sliceItem = m_sliceItems.value(slice); |
|
170 | PieSliceItem *sliceItem = m_sliceItems.value(slice); | |
170 |
|
171 | |||
171 | // this can happen if you call append() & remove() in a row so that PieSliceItem is not even created |
|
172 | // this can happen if you call append() & remove() in a row so that PieSliceItem is not even created | |
172 | if (!sliceItem) |
|
173 | if (!sliceItem) | |
173 | continue; |
|
174 | continue; | |
174 |
|
175 | |||
175 | m_sliceItems.remove(slice); |
|
176 | m_sliceItems.remove(slice); | |
176 |
|
177 | |||
177 | if (animator()) |
|
178 | if (animator()) | |
178 | animator()->removeAnimation(this, sliceItem); // animator deletes the PieSliceItem |
|
179 | animator()->removeAnimation(this, sliceItem); // animator deletes the PieSliceItem | |
179 | else |
|
180 | else | |
180 | delete sliceItem; |
|
181 | delete sliceItem; | |
181 | } |
|
182 | } | |
182 | } |
|
183 | } | |
183 |
|
184 | |||
184 | void PieChartItem::handleSliceChanged() |
|
185 | void PieChartItem::handleSliceChanged() | |
185 | { |
|
186 | { | |
186 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); |
|
187 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); | |
187 | Q_ASSERT(m_sliceItems.contains(slice)); |
|
188 | Q_ASSERT(m_sliceItems.contains(slice)); | |
188 |
|
189 | |||
189 | PieSliceItem *sliceItem = m_sliceItems.value(slice); |
|
190 | PieSliceItem *sliceItem = m_sliceItems.value(slice); | |
190 | PieSliceData sliceData = updateSliceGeometry(slice); |
|
191 | PieSliceData sliceData = updateSliceGeometry(slice); | |
191 | if (animator()) |
|
192 | if (animator()) | |
192 | animator()->updateAnimation(this, sliceItem, sliceData); |
|
193 | animator()->updateAnimation(this, sliceItem, sliceData); | |
193 | else |
|
194 | else | |
194 | sliceItem->setLayout(sliceData); |
|
195 | sliceItem->setLayout(sliceData); | |
195 |
|
196 | |||
196 | update(); |
|
197 | update(); | |
197 | } |
|
198 | } | |
198 |
|
199 | |||
|
200 | void PieChartItem::handleSeriesVisibleChanged() | |||
|
201 | { | |||
|
202 | setVisible(m_series->isVisible()); | |||
|
203 | } | |||
|
204 | ||||
199 | PieSliceData PieChartItem::updateSliceGeometry(QPieSlice *slice) |
|
205 | PieSliceData PieChartItem::updateSliceGeometry(QPieSlice *slice) | |
200 | { |
|
206 | { | |
201 | PieSliceData &sliceData = QPieSlicePrivate::fromSlice(slice)->m_data; |
|
207 | PieSliceData &sliceData = QPieSlicePrivate::fromSlice(slice)->m_data; | |
202 | sliceData.m_center = PieSliceItem::sliceCenter(m_pieCenter, m_pieRadius, slice); |
|
208 | sliceData.m_center = PieSliceItem::sliceCenter(m_pieCenter, m_pieRadius, slice); | |
203 | sliceData.m_radius = m_pieRadius; |
|
209 | sliceData.m_radius = m_pieRadius; | |
204 | return sliceData; |
|
210 | return sliceData; | |
205 | } |
|
211 | } | |
206 |
|
212 | |||
207 | #include "moc_piechartitem_p.cpp" |
|
213 | #include "moc_piechartitem_p.cpp" | |
208 |
|
214 | |||
209 | QTCOMMERCIALCHART_END_NAMESPACE |
|
215 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,79 +1,80 | |||||
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 | // W A R N I N G |
|
21 | // W A R N I N G | |
22 | // ------------- |
|
22 | // ------------- | |
23 | // |
|
23 | // | |
24 | // This file is not part of the QtCommercial Chart API. It exists purely as an |
|
24 | // This file is not part of the QtCommercial Chart API. It exists purely as an | |
25 | // implementation detail. This header file may change from version to |
|
25 | // implementation detail. This header file may change from version to | |
26 | // version without notice, or even be removed. |
|
26 | // version without notice, or even be removed. | |
27 | // |
|
27 | // | |
28 | // We mean it. |
|
28 | // We mean it. | |
29 |
|
29 | |||
30 | #ifndef PIECHARTITEM_H |
|
30 | #ifndef PIECHARTITEM_H | |
31 | #define PIECHARTITEM_H |
|
31 | #define PIECHARTITEM_H | |
32 |
|
32 | |||
33 | #include "qpieseries.h" |
|
33 | #include "qpieseries.h" | |
34 | #include "chartitem_p.h" |
|
34 | #include "chartitem_p.h" | |
35 | #include "piesliceitem_p.h" |
|
35 | #include "piesliceitem_p.h" | |
36 |
|
36 | |||
37 | class QGraphicsItem; |
|
37 | class QGraphicsItem; | |
38 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
38 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
39 | class QPieSlice; |
|
39 | class QPieSlice; | |
40 | class ChartPresenter; |
|
40 | class ChartPresenter; | |
41 |
|
41 | |||
42 | class PieChartItem : public ChartItem |
|
42 | class PieChartItem : public ChartItem | |
43 | { |
|
43 | { | |
44 | Q_OBJECT |
|
44 | Q_OBJECT | |
45 |
|
45 | |||
46 | public: |
|
46 | public: | |
47 | explicit PieChartItem(QPieSeries *series, ChartPresenter *presenter); |
|
47 | explicit PieChartItem(QPieSeries *series, ChartPresenter *presenter); | |
48 | ~PieChartItem(); |
|
48 | ~PieChartItem(); | |
49 |
|
49 | |||
50 | // from QGraphicsItem |
|
50 | // from QGraphicsItem | |
51 | QRectF boundingRect() const { return m_rect; } |
|
51 | QRectF boundingRect() const { return m_rect; } | |
52 | void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *) {} |
|
52 | void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *) {} | |
53 |
|
53 | |||
54 | public Q_SLOTS: |
|
54 | public Q_SLOTS: | |
55 | // from Chart |
|
55 | // from Chart | |
56 | virtual void handleGeometryChanged(const QRectF &rect); |
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56 | virtual void handleGeometryChanged(const QRectF &rect); | |
57 | virtual void handleDomainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY); |
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57 | virtual void handleDomainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY); | |
58 | virtual void rangeXChanged(qreal min, qreal max, int tickXCount); |
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58 | virtual void rangeXChanged(qreal min, qreal max, int tickXCount); | |
59 | virtual void rangeYChanged(qreal min, qreal max, int tickYCount); |
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59 | virtual void rangeYChanged(qreal min, qreal max, int tickYCount); | |
60 |
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60 | |||
61 | void updateLayout(); |
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61 | void updateLayout(); | |
62 | void handleSlicesAdded(QList<QPieSlice*> slices); |
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62 | void handleSlicesAdded(QList<QPieSlice*> slices); | |
63 | void handleSlicesRemoved(QList<QPieSlice*> slices); |
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63 | void handleSlicesRemoved(QList<QPieSlice*> slices); | |
64 | void handleSliceChanged(); |
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64 | void handleSliceChanged(); | |
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65 | void handleSeriesVisibleChanged(); | |||
65 |
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66 | |||
66 | private: |
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67 | private: | |
67 | PieSliceData updateSliceGeometry(QPieSlice *slice); |
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68 | PieSliceData updateSliceGeometry(QPieSlice *slice); | |
68 |
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69 | |||
69 | private: |
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70 | private: | |
70 | QHash<QPieSlice*, PieSliceItem*> m_sliceItems; |
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71 | QHash<QPieSlice*, PieSliceItem*> m_sliceItems; | |
71 | QPieSeries *m_series; |
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72 | QPieSeries *m_series; | |
72 | QRectF m_rect; |
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73 | QRectF m_rect; | |
73 | QPointF m_pieCenter; |
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74 | QPointF m_pieCenter; | |
74 | qreal m_pieRadius; |
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75 | qreal m_pieRadius; | |
75 | }; |
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76 | }; | |
76 |
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77 | |||
77 | QTCOMMERCIALCHART_END_NAMESPACE |
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78 | QTCOMMERCIALCHART_END_NAMESPACE | |
78 |
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79 | |||
79 | #endif // PIECHARTITEM_H |
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80 | #endif // PIECHARTITEM_H |
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