@@ -1,18 +1,18 | |||||
1 | INCLUDEPATH += $$PWD |
|
1 | INCLUDEPATH += $$PWD | |
2 | DEPENDPATH += $$PWD |
|
2 | DEPENDPATH += $$PWD | |
3 |
|
3 | |||
4 | SOURCES += \ |
|
4 | SOURCES += \ | |
5 | $$PWD/qpieseries.cpp \ |
|
5 | $$PWD/qpieseries.cpp \ | |
6 | $$PWD/pieslice.cpp \ |
|
6 | $$PWD/piesliceitem.cpp \ | |
7 | $$PWD/piechartitem.cpp \ |
|
7 | $$PWD/piechartitem.cpp \ | |
8 | $$PWD/qpieslice.cpp |
|
8 | $$PWD/qpieslice.cpp | |
9 |
|
9 | |||
10 | PRIVATE_HEADERS += \ |
|
10 | PRIVATE_HEADERS += \ | |
11 | $$PWD/piechartitem_p.h \ |
|
11 | $$PWD/piechartitem_p.h \ | |
12 | $$PWD/pieslice_p.h \ |
|
12 | $$PWD/piesliceitem_p.h \ | |
13 | $$PWD/qpiesliceprivate_p.h \ |
|
13 | $$PWD/qpiesliceprivate_p.h \ | |
14 | $$PWD/qpieseriesprivate_p.h |
|
14 | $$PWD/qpieseriesprivate_p.h | |
15 |
|
15 | |||
16 | PUBLIC_HEADERS += \ |
|
16 | PUBLIC_HEADERS += \ | |
17 | $$PWD/qpieseries.h \ |
|
17 | $$PWD/qpieseries.h \ | |
18 | $$PWD/qpieslice.h |
|
18 | $$PWD/qpieslice.h |
@@ -1,193 +1,193 | |||||
1 | #include "piechartitem_p.h" |
|
1 | #include "piechartitem_p.h" | |
2 | #include "pieslice_p.h" |
|
2 | #include "piesliceitem_p.h" | |
3 | #include "qpieslice.h" |
|
3 | #include "qpieslice.h" | |
4 | #include "qpiesliceprivate_p.h" |
|
4 | #include "qpiesliceprivate_p.h" | |
5 | #include "qpieseries.h" |
|
5 | #include "qpieseries.h" | |
6 | #include "chartpresenter_p.h" |
|
6 | #include "chartpresenter_p.h" | |
7 | #include "chartdataset_p.h" |
|
7 | #include "chartdataset_p.h" | |
8 | #include "chartanimator_p.h" |
|
8 | #include "chartanimator_p.h" | |
9 | #include <QDebug> |
|
9 | #include <QDebug> | |
10 | #include <QPainter> |
|
10 | #include <QPainter> | |
11 | #include <QTimer> |
|
11 | #include <QTimer> | |
12 |
|
12 | |||
13 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
13 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
14 |
|
14 | |||
15 | PieChartItem::PieChartItem(QPieSeries *series, ChartPresenter *presenter, QGraphicsItem *parent) |
|
15 | PieChartItem::PieChartItem(QPieSeries *series, ChartPresenter *presenter, QGraphicsItem *parent) | |
16 | :ChartItem(parent), |
|
16 | :ChartItem(parent), | |
17 | m_series(series), |
|
17 | m_series(series), | |
18 | m_presenter(presenter) |
|
18 | m_presenter(presenter) | |
19 | { |
|
19 | { | |
20 | Q_ASSERT(series); |
|
20 | Q_ASSERT(series); | |
21 | connect(series, SIGNAL(added(QList<QPieSlice*>)), this, SLOT(handleSlicesAdded(QList<QPieSlice*>))); |
|
21 | connect(series, SIGNAL(added(QList<QPieSlice*>)), this, SLOT(handleSlicesAdded(QList<QPieSlice*>))); | |
22 | connect(series, SIGNAL(removed(QList<QPieSlice*>)), this, SLOT(handleSlicesRemoved(QList<QPieSlice*>))); |
|
22 | connect(series, SIGNAL(removed(QList<QPieSlice*>)), this, SLOT(handleSlicesRemoved(QList<QPieSlice*>))); | |
23 | connect(series, SIGNAL(piePositionChanged()), this, SLOT(handlePieLayoutChanged())); |
|
23 | connect(series, SIGNAL(piePositionChanged()), this, SLOT(handlePieLayoutChanged())); | |
24 | connect(series, SIGNAL(pieSizeChanged()), this, SLOT(handlePieLayoutChanged())); |
|
24 | connect(series, SIGNAL(pieSizeChanged()), this, SLOT(handlePieLayoutChanged())); | |
25 |
|
25 | |||
26 | QTimer::singleShot(0, this, SLOT(initialize())); |
|
26 | QTimer::singleShot(0, this, SLOT(initialize())); | |
27 |
|
27 | |||
28 | // Note: the following does not affect as long as the item does not have anything to paint |
|
28 | // Note: the following does not affect as long as the item does not have anything to paint | |
29 | setZValue(ChartPresenter::PieSeriesZValue); |
|
29 | setZValue(ChartPresenter::PieSeriesZValue); | |
30 | } |
|
30 | } | |
31 |
|
31 | |||
32 | PieChartItem::~PieChartItem() |
|
32 | PieChartItem::~PieChartItem() | |
33 | { |
|
33 | { | |
34 | // slices deleted automatically through QGraphicsItem |
|
34 | // slices deleted automatically through QGraphicsItem | |
35 | } |
|
35 | } | |
36 |
|
36 | |||
37 | void PieChartItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) |
|
37 | void PieChartItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) | |
38 | { |
|
38 | { | |
39 | Q_UNUSED(painter) |
|
39 | Q_UNUSED(painter) | |
40 | // TODO: paint shadows for all components |
|
40 | // TODO: paint shadows for all components | |
41 | // - get paths from items & merge & offset and draw with shadow color? |
|
41 | // - get paths from items & merge & offset and draw with shadow color? | |
42 | //painter->setBrush(QBrush(Qt::red)); |
|
42 | //painter->setBrush(QBrush(Qt::red)); | |
43 | //painter->drawRect(m_debugRect); |
|
43 | //painter->drawRect(m_debugRect); | |
44 | } |
|
44 | } | |
45 |
|
45 | |||
46 | void PieChartItem::initialize() |
|
46 | void PieChartItem::initialize() | |
47 | { |
|
47 | { | |
48 | handleSlicesAdded(m_series->slices()); |
|
48 | handleSlicesAdded(m_series->slices()); | |
49 | } |
|
49 | } | |
50 |
|
50 | |||
51 | void PieChartItem::handleSlicesAdded(QList<QPieSlice*> slices) |
|
51 | void PieChartItem::handleSlicesAdded(QList<QPieSlice*> slices) | |
52 | { |
|
52 | { | |
53 | bool isEmpty = m_slices.isEmpty(); |
|
53 | bool isEmpty = m_slices.isEmpty(); | |
54 |
|
54 | |||
55 | m_presenter->theme()->decorate(m_series, m_presenter->dataSet()->seriesIndex(m_series)); |
|
55 | m_presenter->theme()->decorate(m_series, m_presenter->dataSet()->seriesIndex(m_series)); | |
56 |
|
56 | |||
57 | foreach (QPieSlice *s, slices) { |
|
57 | foreach (QPieSlice *s, slices) { | |
58 |
PieSlice* |
|
58 | PieSliceItem* item = new PieSliceItem(this); | |
59 |
m_slices.insert(s, |
|
59 | m_slices.insert(s, item); | |
60 | connect(s, SIGNAL(changed()), this, SLOT(handleSliceChanged())); |
|
60 | connect(s, SIGNAL(changed()), this, SLOT(handleSliceChanged())); | |
61 |
connect( |
|
61 | connect(item, SIGNAL(clicked()), s, SIGNAL(clicked())); | |
62 |
connect( |
|
62 | connect(item, SIGNAL(hoverEnter()), s, SIGNAL(hoverEnter())); | |
63 |
connect( |
|
63 | connect(item, SIGNAL(hoverLeave()), s, SIGNAL(hoverLeave())); | |
64 |
|
64 | |||
65 | PieSliceData data = sliceData(s); |
|
65 | PieSliceData data = sliceData(s); | |
66 |
|
66 | |||
67 | if (m_animator) |
|
67 | if (m_animator) | |
68 | m_animator->addAnimation(this, s, data, isEmpty); |
|
68 | m_animator->addAnimation(this, s, data, isEmpty); | |
69 | else |
|
69 | else | |
70 | setLayout(s, data); |
|
70 | setLayout(s, data); | |
71 | } |
|
71 | } | |
72 | } |
|
72 | } | |
73 |
|
73 | |||
74 | void PieChartItem::handleSlicesRemoved(QList<QPieSlice*> slices) |
|
74 | void PieChartItem::handleSlicesRemoved(QList<QPieSlice*> slices) | |
75 | { |
|
75 | { | |
76 | m_presenter->theme()->decorate(m_series, m_presenter->dataSet()->seriesIndex(m_series)); |
|
76 | m_presenter->theme()->decorate(m_series, m_presenter->dataSet()->seriesIndex(m_series)); | |
77 |
|
77 | |||
78 | foreach (QPieSlice *s, slices) { |
|
78 | foreach (QPieSlice *s, slices) { | |
79 | if (m_animator) |
|
79 | if (m_animator) | |
80 | m_animator->removeAnimation(this, s); |
|
80 | m_animator->removeAnimation(this, s); | |
81 | else |
|
81 | else | |
82 | destroySlice(s); |
|
82 | destroySlice(s); | |
83 | } |
|
83 | } | |
84 | } |
|
84 | } | |
85 |
|
85 | |||
86 | void PieChartItem::handlePieLayoutChanged() |
|
86 | void PieChartItem::handlePieLayoutChanged() | |
87 | { |
|
87 | { | |
88 | PieLayout layout = calculateLayout(); |
|
88 | PieLayout layout = calculateLayout(); | |
89 | applyLayout(layout); |
|
89 | applyLayout(layout); | |
90 | update(); |
|
90 | update(); | |
91 | } |
|
91 | } | |
92 |
|
92 | |||
93 | void PieChartItem::handleSliceChanged() |
|
93 | void PieChartItem::handleSliceChanged() | |
94 | { |
|
94 | { | |
95 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); |
|
95 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); | |
96 | Q_ASSERT(m_slices.contains(slice)); |
|
96 | Q_ASSERT(m_slices.contains(slice)); | |
97 | PieSliceData data = sliceData(slice); |
|
97 | PieSliceData data = sliceData(slice); | |
98 | updateLayout(slice, data); |
|
98 | updateLayout(slice, data); | |
99 | update(); |
|
99 | update(); | |
100 | } |
|
100 | } | |
101 |
|
101 | |||
102 | void PieChartItem::handleDomainChanged(qreal, qreal, qreal, qreal) |
|
102 | void PieChartItem::handleDomainChanged(qreal, qreal, qreal, qreal) | |
103 | { |
|
103 | { | |
104 | // TODO |
|
104 | // TODO | |
105 | } |
|
105 | } | |
106 |
|
106 | |||
107 | void PieChartItem::handleGeometryChanged(const QRectF& rect) |
|
107 | void PieChartItem::handleGeometryChanged(const QRectF& rect) | |
108 | { |
|
108 | { | |
109 | prepareGeometryChange(); |
|
109 | prepareGeometryChange(); | |
110 | m_rect = rect; |
|
110 | m_rect = rect; | |
111 | handlePieLayoutChanged(); |
|
111 | handlePieLayoutChanged(); | |
112 | } |
|
112 | } | |
113 |
|
113 | |||
114 | void PieChartItem::calculatePieLayout() |
|
114 | void PieChartItem::calculatePieLayout() | |
115 | { |
|
115 | { | |
116 | // find pie center coordinates |
|
116 | // find pie center coordinates | |
117 | m_pieCenter.setX(m_rect.left() + (m_rect.width() * m_series->pieHorizontalPosition())); |
|
117 | m_pieCenter.setX(m_rect.left() + (m_rect.width() * m_series->pieHorizontalPosition())); | |
118 | m_pieCenter.setY(m_rect.top() + (m_rect.height() * m_series->pieVerticalPosition())); |
|
118 | m_pieCenter.setY(m_rect.top() + (m_rect.height() * m_series->pieVerticalPosition())); | |
119 |
|
119 | |||
120 | // find maximum radius for pie |
|
120 | // find maximum radius for pie | |
121 | m_pieRadius = m_rect.height() / 2; |
|
121 | m_pieRadius = m_rect.height() / 2; | |
122 | if (m_rect.width() < m_rect.height()) |
|
122 | if (m_rect.width() < m_rect.height()) | |
123 | m_pieRadius = m_rect.width() / 2; |
|
123 | m_pieRadius = m_rect.width() / 2; | |
124 |
|
124 | |||
125 | // apply size factor |
|
125 | // apply size factor | |
126 | m_pieRadius *= m_series->pieSize(); |
|
126 | m_pieRadius *= m_series->pieSize(); | |
127 | } |
|
127 | } | |
128 |
|
128 | |||
129 | PieSliceData PieChartItem::sliceData(QPieSlice *slice) |
|
129 | PieSliceData PieChartItem::sliceData(QPieSlice *slice) | |
130 | { |
|
130 | { | |
131 | PieSliceData sliceData = slice->d_ptr->m_data; |
|
131 | PieSliceData sliceData = slice->d_ptr->m_data; | |
132 | sliceData.m_center = PieSlice::sliceCenter(m_pieCenter, m_pieRadius, slice); |
|
132 | sliceData.m_center = PieSliceItem::sliceCenter(m_pieCenter, m_pieRadius, slice); | |
133 | sliceData.m_radius = m_pieRadius; |
|
133 | sliceData.m_radius = m_pieRadius; | |
134 | sliceData.m_angleSpan = slice->endAngle() - slice->startAngle(); |
|
134 | sliceData.m_angleSpan = slice->endAngle() - slice->startAngle(); | |
135 | return sliceData; |
|
135 | return sliceData; | |
136 | } |
|
136 | } | |
137 |
|
137 | |||
138 | PieLayout PieChartItem::calculateLayout() |
|
138 | PieLayout PieChartItem::calculateLayout() | |
139 | { |
|
139 | { | |
140 | calculatePieLayout(); |
|
140 | calculatePieLayout(); | |
141 | PieLayout layout; |
|
141 | PieLayout layout; | |
142 | foreach (QPieSlice* s, m_series->slices()) { |
|
142 | foreach (QPieSlice* s, m_series->slices()) { | |
143 | if (m_slices.contains(s)) // calculate layout only for those slices that are already visible |
|
143 | if (m_slices.contains(s)) // calculate layout only for those slices that are already visible | |
144 | layout.insert(s, sliceData(s)); |
|
144 | layout.insert(s, sliceData(s)); | |
145 | } |
|
145 | } | |
146 | return layout; |
|
146 | return layout; | |
147 | } |
|
147 | } | |
148 |
|
148 | |||
149 | void PieChartItem::applyLayout(const PieLayout &layout) |
|
149 | void PieChartItem::applyLayout(const PieLayout &layout) | |
150 | { |
|
150 | { | |
151 | if (m_animator) |
|
151 | if (m_animator) | |
152 | m_animator->updateLayout(this, layout); |
|
152 | m_animator->updateLayout(this, layout); | |
153 | else |
|
153 | else | |
154 | setLayout(layout); |
|
154 | setLayout(layout); | |
155 | } |
|
155 | } | |
156 |
|
156 | |||
157 | void PieChartItem::updateLayout(QPieSlice *slice, const PieSliceData &sliceData) |
|
157 | void PieChartItem::updateLayout(QPieSlice *slice, const PieSliceData &sliceData) | |
158 | { |
|
158 | { | |
159 | if (m_animator) |
|
159 | if (m_animator) | |
160 | m_animator->updateLayout(this, slice, sliceData); |
|
160 | m_animator->updateLayout(this, slice, sliceData); | |
161 | else |
|
161 | else | |
162 | setLayout(slice, sliceData); |
|
162 | setLayout(slice, sliceData); | |
163 | } |
|
163 | } | |
164 |
|
164 | |||
165 | void PieChartItem::setLayout(const PieLayout &layout) |
|
165 | void PieChartItem::setLayout(const PieLayout &layout) | |
166 | { |
|
166 | { | |
167 | foreach (QPieSlice *slice, layout.keys()) { |
|
167 | foreach (QPieSlice *slice, layout.keys()) { | |
168 |
PieSlice * |
|
168 | PieSliceItem *item = m_slices.value(slice); | |
169 |
Q_ASSERT( |
|
169 | Q_ASSERT(item); | |
170 |
|
|
170 | item->setSliceData(layout.value(slice)); | |
171 |
|
|
171 | item->updateGeometry(); | |
172 |
|
|
172 | item->update(); | |
173 | } |
|
173 | } | |
174 | } |
|
174 | } | |
175 |
|
175 | |||
176 | void PieChartItem::setLayout(QPieSlice *slice, const PieSliceData &sliceData) |
|
176 | void PieChartItem::setLayout(QPieSlice *slice, const PieSliceData &sliceData) | |
177 | { |
|
177 | { | |
178 | // find slice |
|
178 | // find slice | |
179 |
PieSlice * |
|
179 | PieSliceItem *item = m_slices.value(slice); | |
180 |
Q_ASSERT( |
|
180 | Q_ASSERT(item); | |
181 |
|
|
181 | item->setSliceData(sliceData); | |
182 |
|
|
182 | item->updateGeometry(); | |
183 |
|
|
183 | item->update(); | |
184 | } |
|
184 | } | |
185 |
|
185 | |||
186 | void PieChartItem::destroySlice(QPieSlice *slice) |
|
186 | void PieChartItem::destroySlice(QPieSlice *slice) | |
187 | { |
|
187 | { | |
188 | delete m_slices.take(slice); |
|
188 | delete m_slices.take(slice); | |
189 | } |
|
189 | } | |
190 |
|
190 | |||
191 | #include "moc_piechartitem_p.cpp" |
|
191 | #include "moc_piechartitem_p.cpp" | |
192 |
|
192 | |||
193 | QTCOMMERCIALCHART_END_NAMESPACE |
|
193 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,59 +1,59 | |||||
1 | #ifndef PIECHARTITEM_H |
|
1 | #ifndef PIECHARTITEM_H | |
2 | #define PIECHARTITEM_H |
|
2 | #define PIECHARTITEM_H | |
3 |
|
3 | |||
4 | #include "qpieseries.h" |
|
4 | #include "qpieseries.h" | |
5 | #include "chartitem_p.h" |
|
5 | #include "chartitem_p.h" | |
6 | #include "pieslice_p.h" |
|
6 | #include "piesliceitem_p.h" | |
7 |
|
7 | |||
8 | class QGraphicsItem; |
|
8 | class QGraphicsItem; | |
9 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
9 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
10 | class QPieSlice; |
|
10 | class QPieSlice; | |
11 | class ChartPresenter; |
|
11 | class ChartPresenter; | |
12 |
|
12 | |||
13 | typedef QHash<QPieSlice*, PieSliceData> PieLayout; |
|
13 | typedef QHash<QPieSlice*, PieSliceData> PieLayout; | |
14 |
|
14 | |||
15 | class PieChartItem : public QObject, public ChartItem |
|
15 | class PieChartItem : public QObject, public ChartItem | |
16 | { |
|
16 | { | |
17 | Q_OBJECT |
|
17 | Q_OBJECT | |
18 |
|
18 | |||
19 | public: |
|
19 | public: | |
20 | // TODO: use a generic data class instead of x and y |
|
20 | // TODO: use a generic data class instead of x and y | |
21 | PieChartItem(QPieSeries *series, ChartPresenter *presenter, QGraphicsItem *parent); |
|
21 | PieChartItem(QPieSeries *series, ChartPresenter *presenter, QGraphicsItem *parent); | |
22 | ~PieChartItem(); |
|
22 | ~PieChartItem(); | |
23 |
|
23 | |||
24 | public: // from QGraphicsItem |
|
24 | public: // from QGraphicsItem | |
25 | QRectF boundingRect() const { return m_rect; } |
|
25 | QRectF boundingRect() const { return m_rect; } | |
26 | void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *); |
|
26 | void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *); | |
27 |
|
27 | |||
28 | public Q_SLOTS: |
|
28 | public Q_SLOTS: | |
29 | void initialize(); |
|
29 | void initialize(); | |
30 | void handleSlicesAdded(QList<QPieSlice*> slices); |
|
30 | void handleSlicesAdded(QList<QPieSlice*> slices); | |
31 | void handleSlicesRemoved(QList<QPieSlice*> slices); |
|
31 | void handleSlicesRemoved(QList<QPieSlice*> slices); | |
32 | void handlePieLayoutChanged(); |
|
32 | void handlePieLayoutChanged(); | |
33 | void handleSliceChanged(); |
|
33 | void handleSliceChanged(); | |
34 | void handleDomainChanged(qreal, qreal, qreal, qreal); |
|
34 | void handleDomainChanged(qreal, qreal, qreal, qreal); | |
35 | void handleGeometryChanged(const QRectF& rect); |
|
35 | void handleGeometryChanged(const QRectF& rect); | |
36 |
|
36 | |||
37 | public: |
|
37 | public: | |
38 | void calculatePieLayout(); |
|
38 | void calculatePieLayout(); | |
39 | PieSliceData sliceData(QPieSlice *slice); |
|
39 | PieSliceData sliceData(QPieSlice *slice); | |
40 | PieLayout calculateLayout(); |
|
40 | PieLayout calculateLayout(); | |
41 | void applyLayout(const PieLayout &layout); |
|
41 | void applyLayout(const PieLayout &layout); | |
42 | void updateLayout(QPieSlice *slice, const PieSliceData &sliceData); |
|
42 | void updateLayout(QPieSlice *slice, const PieSliceData &sliceData); | |
43 | void setLayout(const PieLayout &layout); |
|
43 | void setLayout(const PieLayout &layout); | |
44 | void setLayout(QPieSlice *slice, const PieSliceData &sliceData); |
|
44 | void setLayout(QPieSlice *slice, const PieSliceData &sliceData); | |
45 | void destroySlice(QPieSlice *slice); |
|
45 | void destroySlice(QPieSlice *slice); | |
46 |
|
46 | |||
47 | private: |
|
47 | private: | |
48 | friend class PieSlice; |
|
48 | friend class PieSliceItem; | |
49 | QHash<QPieSlice*, PieSlice*> m_slices; |
|
49 | QHash<QPieSlice*, PieSliceItem*> m_slices; | |
50 | QPieSeries *m_series; |
|
50 | QPieSeries *m_series; | |
51 | QRectF m_rect; |
|
51 | QRectF m_rect; | |
52 | QPointF m_pieCenter; |
|
52 | QPointF m_pieCenter; | |
53 | qreal m_pieRadius; |
|
53 | qreal m_pieRadius; | |
54 | ChartPresenter *m_presenter; |
|
54 | ChartPresenter *m_presenter; | |
55 | }; |
|
55 | }; | |
56 |
|
56 | |||
57 | QTCOMMERCIALCHART_END_NAMESPACE |
|
57 | QTCOMMERCIALCHART_END_NAMESPACE | |
58 |
|
58 | |||
59 | #endif // PIECHARTITEM_H |
|
59 | #endif // PIECHARTITEM_H |
@@ -1,184 +1,184 | |||||
1 | #include "pieslice_p.h" |
|
1 | #include "piesliceitem_p.h" | |
2 | #include "piechartitem_p.h" |
|
2 | #include "piechartitem_p.h" | |
3 | #include "qpieseries.h" |
|
3 | #include "qpieseries.h" | |
4 | #include "qpieslice.h" |
|
4 | #include "qpieslice.h" | |
5 | #include "chartpresenter_p.h" |
|
5 | #include "chartpresenter_p.h" | |
6 | #include <QPainter> |
|
6 | #include <QPainter> | |
7 | #include <QDebug> |
|
7 | #include <QDebug> | |
8 | #include <qmath.h> |
|
8 | #include <qmath.h> | |
9 | #include <QGraphicsSceneEvent> |
|
9 | #include <QGraphicsSceneEvent> | |
10 | #include <QTime> |
|
10 | #include <QTime> | |
11 |
|
11 | |||
12 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
12 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
13 |
|
13 | |||
14 | #define PI 3.14159265 // TODO: is this defined in some header? |
|
14 | #define PI 3.14159265 // TODO: is this defined in some header? | |
15 |
|
15 | |||
16 | QPointF offset(qreal angle, qreal length) |
|
16 | QPointF offset(qreal angle, qreal length) | |
17 | { |
|
17 | { | |
18 | qreal dx = qSin(angle*(PI/180)) * length; |
|
18 | qreal dx = qSin(angle*(PI/180)) * length; | |
19 | qreal dy = qCos(angle*(PI/180)) * length; |
|
19 | qreal dy = qCos(angle*(PI/180)) * length; | |
20 | return QPointF(dx, -dy); |
|
20 | return QPointF(dx, -dy); | |
21 | } |
|
21 | } | |
22 |
|
22 | |||
23 | PieSlice::PieSlice(QGraphicsItem* parent) |
|
23 | PieSliceItem::PieSliceItem(QGraphicsItem* parent) | |
24 | :QGraphicsObject(parent) |
|
24 | :QGraphicsObject(parent) | |
25 | { |
|
25 | { | |
26 | setAcceptHoverEvents(true); |
|
26 | setAcceptHoverEvents(true); | |
27 | setAcceptedMouseButtons(Qt::LeftButton); |
|
27 | setAcceptedMouseButtons(Qt::LeftButton); | |
28 | setZValue(ChartPresenter::PieSeriesZValue); |
|
28 | setZValue(ChartPresenter::PieSeriesZValue); | |
29 | } |
|
29 | } | |
30 |
|
30 | |||
31 | PieSlice::~PieSlice() |
|
31 | PieSliceItem::~PieSliceItem() | |
32 | { |
|
32 | { | |
33 |
|
33 | |||
34 | } |
|
34 | } | |
35 |
|
35 | |||
36 | QRectF PieSlice::boundingRect() const |
|
36 | QRectF PieSliceItem::boundingRect() const | |
37 | { |
|
37 | { | |
38 | return m_boundingRect; |
|
38 | return m_boundingRect; | |
39 | } |
|
39 | } | |
40 |
|
40 | |||
41 | QPainterPath PieSlice::shape() const |
|
41 | QPainterPath PieSliceItem::shape() const | |
42 | { |
|
42 | { | |
43 | // Don't include the label and label arm. |
|
43 | // Don't include the label and label arm. | |
44 | // This is used to detect a mouse clicks. We do not want clicks from label. |
|
44 | // This is used to detect a mouse clicks. We do not want clicks from label. | |
45 | return m_slicePath; |
|
45 | return m_slicePath; | |
46 | } |
|
46 | } | |
47 |
|
47 | |||
48 | void PieSlice::paint(QPainter* painter, const QStyleOptionGraphicsItem* /*option*/, QWidget* /*widget*/) |
|
48 | void PieSliceItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* /*option*/, QWidget* /*widget*/) | |
49 | { |
|
49 | { | |
50 | painter->setClipRect(parentItem()->boundingRect()); |
|
50 | painter->setClipRect(parentItem()->boundingRect()); | |
51 |
|
51 | |||
52 | painter->save(); |
|
52 | painter->save(); | |
53 | painter->setPen(m_data.m_slicePen); |
|
53 | painter->setPen(m_data.m_slicePen); | |
54 | painter->setBrush(m_data.m_sliceBrush); |
|
54 | painter->setBrush(m_data.m_sliceBrush); | |
55 | painter->drawPath(m_slicePath); |
|
55 | painter->drawPath(m_slicePath); | |
56 | painter->restore(); |
|
56 | painter->restore(); | |
57 |
|
57 | |||
58 | if (m_data.m_labelVisible) { |
|
58 | if (m_data.m_labelVisible) { | |
59 | painter->save(); |
|
59 | painter->save(); | |
60 | painter->setPen(m_data.m_labelArmPen); |
|
60 | painter->setPen(m_data.m_labelArmPen); | |
61 | painter->drawPath(m_labelArmPath); |
|
61 | painter->drawPath(m_labelArmPath); | |
62 | painter->restore(); |
|
62 | painter->restore(); | |
63 |
|
63 | |||
64 | painter->setFont(m_data.m_labelFont); |
|
64 | painter->setFont(m_data.m_labelFont); | |
65 | painter->drawText(m_labelTextRect.bottomLeft(), m_data.m_labelText); |
|
65 | painter->drawText(m_labelTextRect.bottomLeft(), m_data.m_labelText); | |
66 | } |
|
66 | } | |
67 | } |
|
67 | } | |
68 |
|
68 | |||
69 | void PieSlice::hoverEnterEvent(QGraphicsSceneHoverEvent* /*event*/) |
|
69 | void PieSliceItem::hoverEnterEvent(QGraphicsSceneHoverEvent* /*event*/) | |
70 | { |
|
70 | { | |
71 | emit hoverEnter(); |
|
71 | emit hoverEnter(); | |
72 | } |
|
72 | } | |
73 |
|
73 | |||
74 | void PieSlice::hoverLeaveEvent(QGraphicsSceneHoverEvent* /*event*/) |
|
74 | void PieSliceItem::hoverLeaveEvent(QGraphicsSceneHoverEvent* /*event*/) | |
75 | { |
|
75 | { | |
76 | emit hoverLeave(); |
|
76 | emit hoverLeave(); | |
77 | } |
|
77 | } | |
78 |
|
78 | |||
79 | void PieSlice::mousePressEvent(QGraphicsSceneMouseEvent* /*event*/) |
|
79 | void PieSliceItem::mousePressEvent(QGraphicsSceneMouseEvent* /*event*/) | |
80 | { |
|
80 | { | |
81 | emit clicked(); |
|
81 | emit clicked(); | |
82 | } |
|
82 | } | |
83 |
|
83 | |||
84 | void PieSlice::setSliceData(PieSliceData sliceData) |
|
84 | void PieSliceItem::setSliceData(PieSliceData sliceData) | |
85 | { |
|
85 | { | |
86 | m_data = sliceData; |
|
86 | m_data = sliceData; | |
87 | } |
|
87 | } | |
88 |
|
88 | |||
89 | void PieSlice::updateGeometry() |
|
89 | void PieSliceItem::updateGeometry() | |
90 | { |
|
90 | { | |
91 | if (m_data.m_radius <= 0) |
|
91 | if (m_data.m_radius <= 0) | |
92 | return; |
|
92 | return; | |
93 |
|
93 | |||
94 | prepareGeometryChange(); |
|
94 | prepareGeometryChange(); | |
95 |
|
95 | |||
96 | // update slice path |
|
96 | // update slice path | |
97 | qreal centerAngle; |
|
97 | qreal centerAngle; | |
98 | QPointF armStart; |
|
98 | QPointF armStart; | |
99 | m_slicePath = slicePath(m_data.m_center, m_data.m_radius, m_data.m_startAngle, m_data.m_angleSpan, ¢erAngle, &armStart); |
|
99 | m_slicePath = slicePath(m_data.m_center, m_data.m_radius, m_data.m_startAngle, m_data.m_angleSpan, ¢erAngle, &armStart); | |
100 |
|
100 | |||
101 | // update text rect |
|
101 | // update text rect | |
102 | m_labelTextRect = labelTextRect(m_data.m_labelFont, m_data.m_labelText); |
|
102 | m_labelTextRect = labelTextRect(m_data.m_labelFont, m_data.m_labelText); | |
103 |
|
103 | |||
104 | // update label arm path |
|
104 | // update label arm path | |
105 | QPointF labelTextStart; |
|
105 | QPointF labelTextStart; | |
106 | m_labelArmPath = labelArmPath(armStart, centerAngle, m_data.m_radius * m_data.m_labelArmLengthFactor, m_labelTextRect.width(), &labelTextStart); |
|
106 | m_labelArmPath = labelArmPath(armStart, centerAngle, m_data.m_radius * m_data.m_labelArmLengthFactor, m_labelTextRect.width(), &labelTextStart); | |
107 |
|
107 | |||
108 | // update text position |
|
108 | // update text position | |
109 | m_labelTextRect.moveBottomLeft(labelTextStart); |
|
109 | m_labelTextRect.moveBottomLeft(labelTextStart); | |
110 |
|
110 | |||
111 | // update bounding rect |
|
111 | // update bounding rect | |
112 | m_boundingRect = m_slicePath.boundingRect().united(m_labelArmPath.boundingRect()).united(m_labelTextRect); |
|
112 | m_boundingRect = m_slicePath.boundingRect().united(m_labelArmPath.boundingRect()).united(m_labelTextRect); | |
113 | } |
|
113 | } | |
114 |
|
114 | |||
115 | QPointF PieSlice::sliceCenter(QPointF point, qreal radius, QPieSlice *slice) |
|
115 | QPointF PieSliceItem::sliceCenter(QPointF point, qreal radius, QPieSlice *slice) | |
116 | { |
|
116 | { | |
117 | if (slice->isExploded()) { |
|
117 | if (slice->isExploded()) { | |
118 | qreal centerAngle = slice->startAngle() + ((slice->endAngle() - slice->startAngle())/2); |
|
118 | qreal centerAngle = slice->startAngle() + ((slice->endAngle() - slice->startAngle())/2); | |
119 | qreal len = radius * slice->explodeDistanceFactor(); |
|
119 | qreal len = radius * slice->explodeDistanceFactor(); | |
120 | qreal dx = qSin(centerAngle*(PI/180)) * len; |
|
120 | qreal dx = qSin(centerAngle*(PI/180)) * len; | |
121 | qreal dy = -qCos(centerAngle*(PI/180)) * len; |
|
121 | qreal dy = -qCos(centerAngle*(PI/180)) * len; | |
122 | point += QPointF(dx, dy); |
|
122 | point += QPointF(dx, dy); | |
123 | } |
|
123 | } | |
124 | return point; |
|
124 | return point; | |
125 | } |
|
125 | } | |
126 |
|
126 | |||
127 | QPainterPath PieSlice::slicePath(QPointF center, qreal radius, qreal startAngle, qreal angleSpan, qreal* centerAngle, QPointF* armStart) |
|
127 | QPainterPath PieSliceItem::slicePath(QPointF center, qreal radius, qreal startAngle, qreal angleSpan, qreal* centerAngle, QPointF* armStart) | |
128 | { |
|
128 | { | |
129 | // calculate center angle |
|
129 | // calculate center angle | |
130 | *centerAngle = startAngle + (angleSpan/2); |
|
130 | *centerAngle = startAngle + (angleSpan/2); | |
131 |
|
131 | |||
132 | // calculate slice rectangle |
|
132 | // calculate slice rectangle | |
133 | QRectF rect(center.x()-radius, center.y()-radius, radius*2, radius*2); |
|
133 | QRectF rect(center.x()-radius, center.y()-radius, radius*2, radius*2); | |
134 |
|
134 | |||
135 | // slice path |
|
135 | // slice path | |
136 | // TODO: draw the shape so that it might have a hole in the center |
|
136 | // TODO: draw the shape so that it might have a hole in the center | |
137 | QPainterPath path; |
|
137 | QPainterPath path; | |
138 | path.moveTo(rect.center()); |
|
138 | path.moveTo(rect.center()); | |
139 | path.arcTo(rect, -startAngle + 90, -angleSpan); |
|
139 | path.arcTo(rect, -startAngle + 90, -angleSpan); | |
140 | path.closeSubpath(); |
|
140 | path.closeSubpath(); | |
141 |
|
141 | |||
142 | // calculate label arm start point |
|
142 | // calculate label arm start point | |
143 | *armStart = center; |
|
143 | *armStart = center; | |
144 | *armStart += offset(*centerAngle, radius + PIESLICE_LABEL_GAP); |
|
144 | *armStart += offset(*centerAngle, radius + PIESLICE_LABEL_GAP); | |
145 |
|
145 | |||
146 | return path; |
|
146 | return path; | |
147 | } |
|
147 | } | |
148 |
|
148 | |||
149 | QPainterPath PieSlice::labelArmPath(QPointF start, qreal angle, qreal length, qreal textWidth, QPointF* textStart) |
|
149 | QPainterPath PieSliceItem::labelArmPath(QPointF start, qreal angle, qreal length, qreal textWidth, QPointF* textStart) | |
150 | { |
|
150 | { | |
151 | qreal dx = qSin(angle*(PI/180)) * length; |
|
151 | qreal dx = qSin(angle*(PI/180)) * length; | |
152 | qreal dy = -qCos(angle*(PI/180)) * length; |
|
152 | qreal dy = -qCos(angle*(PI/180)) * length; | |
153 | QPointF parm1 = start + QPointF(dx, dy); |
|
153 | QPointF parm1 = start + QPointF(dx, dy); | |
154 |
|
154 | |||
155 | QPointF parm2 = parm1; |
|
155 | QPointF parm2 = parm1; | |
156 | if (angle < 180) { // arm swings the other way on the left side |
|
156 | if (angle < 180) { // arm swings the other way on the left side | |
157 | parm2 += QPointF(textWidth, 0); |
|
157 | parm2 += QPointF(textWidth, 0); | |
158 | *textStart = parm1; |
|
158 | *textStart = parm1; | |
159 | } |
|
159 | } | |
160 | else { |
|
160 | else { | |
161 | parm2 += QPointF(-textWidth,0); |
|
161 | parm2 += QPointF(-textWidth,0); | |
162 | *textStart = parm2; |
|
162 | *textStart = parm2; | |
163 | } |
|
163 | } | |
164 |
|
164 | |||
165 | // elevate the text position a bit so that it does not hit the line |
|
165 | // elevate the text position a bit so that it does not hit the line | |
166 | *textStart += QPointF(0, -5); |
|
166 | *textStart += QPointF(0, -5); | |
167 |
|
167 | |||
168 | QPainterPath path; |
|
168 | QPainterPath path; | |
169 | path.moveTo(start); |
|
169 | path.moveTo(start); | |
170 | path.lineTo(parm1); |
|
170 | path.lineTo(parm1); | |
171 | path.lineTo(parm2); |
|
171 | path.lineTo(parm2); | |
172 |
|
172 | |||
173 | return path; |
|
173 | return path; | |
174 | } |
|
174 | } | |
175 |
|
175 | |||
176 | QRectF PieSlice::labelTextRect(QFont font, QString text) |
|
176 | QRectF PieSliceItem::labelTextRect(QFont font, QString text) | |
177 | { |
|
177 | { | |
178 | QFontMetricsF fm(font); |
|
178 | QFontMetricsF fm(font); | |
179 | return fm.boundingRect(text); |
|
179 | return fm.boundingRect(text); | |
180 | } |
|
180 | } | |
181 |
|
181 | |||
182 | #include "moc_pieslice_p.cpp" |
|
182 | #include "moc_piesliceitem_p.cpp" | |
183 |
|
183 | |||
184 | QTCOMMERCIALCHART_END_NAMESPACE |
|
184 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,59 +1,59 | |||||
1 | #ifndef PIESLICE_H |
|
1 | #ifndef PIESLICEITEM_H | |
2 | #define PIESLICE_H |
|
2 | #define PIESLICEITEM_H | |
3 |
|
3 | |||
4 | #include "qchartglobal.h" |
|
4 | #include "qchartglobal.h" | |
5 | #include "charttheme_p.h" |
|
5 | #include "charttheme_p.h" | |
6 | #include "qpieseries.h" |
|
6 | #include "qpieseries.h" | |
7 | #include "qpiesliceprivate_p.h" |
|
7 | #include "qpiesliceprivate_p.h" | |
8 | #include <QGraphicsItem> |
|
8 | #include <QGraphicsItem> | |
9 | #include <QRectF> |
|
9 | #include <QRectF> | |
10 | #include <QColor> |
|
10 | #include <QColor> | |
11 | #include <QPen> |
|
11 | #include <QPen> | |
12 |
|
12 | |||
13 | #define PIESLICE_LABEL_GAP 5 |
|
13 | #define PIESLICE_LABEL_GAP 5 | |
14 |
|
14 | |||
15 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
15 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
16 | class PieChartItem; |
|
16 | class PieChartItem; | |
17 | class PieSliceLabel; |
|
17 | class PieSliceLabel; | |
18 | class QPieSlice; |
|
18 | class QPieSlice; | |
19 |
|
19 | |||
20 | class PieSlice : public QGraphicsObject |
|
20 | class PieSliceItem : public QGraphicsObject | |
21 | { |
|
21 | { | |
22 | Q_OBJECT |
|
22 | Q_OBJECT | |
23 |
|
23 | |||
24 | public: |
|
24 | public: | |
25 | PieSlice(QGraphicsItem* parent = 0); |
|
25 | PieSliceItem(QGraphicsItem* parent = 0); | |
26 | ~PieSlice(); |
|
26 | ~PieSliceItem(); | |
27 |
|
27 | |||
28 | public: // from QGraphicsItem |
|
28 | public: // from QGraphicsItem | |
29 | QRectF boundingRect() const; |
|
29 | QRectF boundingRect() const; | |
30 | QPainterPath shape() const; |
|
30 | QPainterPath shape() const; | |
31 | void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget); |
|
31 | void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget); | |
32 | void hoverEnterEvent(QGraphicsSceneHoverEvent *event); |
|
32 | void hoverEnterEvent(QGraphicsSceneHoverEvent *event); | |
33 | void hoverLeaveEvent(QGraphicsSceneHoverEvent *event); |
|
33 | void hoverLeaveEvent(QGraphicsSceneHoverEvent *event); | |
34 | void mousePressEvent(QGraphicsSceneMouseEvent *event); |
|
34 | void mousePressEvent(QGraphicsSceneMouseEvent *event); | |
35 |
|
35 | |||
36 | Q_SIGNALS: |
|
36 | Q_SIGNALS: | |
37 | void clicked(); |
|
37 | void clicked(); | |
38 | void hoverEnter(); |
|
38 | void hoverEnter(); | |
39 | void hoverLeave(); |
|
39 | void hoverLeave(); | |
40 |
|
40 | |||
41 | public: |
|
41 | public: | |
42 | void setSliceData(PieSliceData sliceData); |
|
42 | void setSliceData(PieSliceData sliceData); | |
43 | void updateGeometry(); |
|
43 | void updateGeometry(); | |
44 | static QPointF sliceCenter(QPointF point, qreal radius, QPieSlice *slice); |
|
44 | static QPointF sliceCenter(QPointF point, qreal radius, QPieSlice *slice); | |
45 | static QPainterPath slicePath(QPointF center, qreal radius, qreal startAngle, qreal angleSpan, qreal* centerAngle, QPointF* armStart); |
|
45 | static QPainterPath slicePath(QPointF center, qreal radius, qreal startAngle, qreal angleSpan, qreal* centerAngle, QPointF* armStart); | |
46 | static QPainterPath labelArmPath(QPointF start, qreal angle, qreal length, qreal textWidth, QPointF* textStart); |
|
46 | static QPainterPath labelArmPath(QPointF start, qreal angle, qreal length, qreal textWidth, QPointF* textStart); | |
47 | static QRectF labelTextRect(QFont font, QString text); |
|
47 | static QRectF labelTextRect(QFont font, QString text); | |
48 |
|
48 | |||
49 | private: |
|
49 | private: | |
50 | PieSliceData m_data; |
|
50 | PieSliceData m_data; | |
51 | QRectF m_boundingRect; |
|
51 | QRectF m_boundingRect; | |
52 | QPainterPath m_slicePath; |
|
52 | QPainterPath m_slicePath; | |
53 | QPainterPath m_labelArmPath; |
|
53 | QPainterPath m_labelArmPath; | |
54 | QRectF m_labelTextRect; |
|
54 | QRectF m_labelTextRect; | |
55 | }; |
|
55 | }; | |
56 |
|
56 | |||
57 | QTCOMMERCIALCHART_END_NAMESPACE |
|
57 | QTCOMMERCIALCHART_END_NAMESPACE | |
58 |
|
58 | |||
59 | #endif // PIESLICE_H |
|
59 | #endif // PIESLICEITEM_H |
General Comments 0
You need to be logged in to leave comments.
Login now