@@ -1,223 +1,224 | |||||
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 "mainwidget.h" |
|
21 | #include "mainwidget.h" | |
22 | #include <QChart> |
|
22 | #include <QChart> | |
23 | #include <QChartView> |
|
23 | #include <QChartView> | |
24 | #include <QPushButton> |
|
24 | #include <QPushButton> | |
25 | #include <QLabel> |
|
25 | #include <QLabel> | |
26 | #include <QDebug> |
|
26 | #include <QDebug> | |
27 | #include <QBarSet> |
|
27 | #include <QBarSet> | |
28 | #include <QBarSeries> |
|
28 | #include <QBarSeries> | |
29 | #include <QLegend> |
|
29 | #include <QLegend> | |
30 | #include <QFormLayout> |
|
30 | #include <QFormLayout> | |
31 |
|
31 | |||
32 | QTCOMMERCIALCHART_USE_NAMESPACE |
|
32 | QTCOMMERCIALCHART_USE_NAMESPACE | |
33 |
|
33 | |||
34 | MainWidget::MainWidget(QWidget *parent) : |
|
34 | MainWidget::MainWidget(QWidget *parent) : | |
35 | QWidget(parent) |
|
35 | QWidget(parent) | |
36 | { |
|
36 | { | |
37 | // Create buttons for ui |
|
37 | // Create buttons for ui | |
38 | m_buttonLayout = new QGridLayout(); |
|
38 | m_buttonLayout = new QGridLayout(); | |
39 | QPushButton *detachLegendButton = new QPushButton("detach legend"); |
|
39 | QPushButton *detachLegendButton = new QPushButton("detach legend"); | |
40 | connect(detachLegendButton, SIGNAL(clicked()), this, SLOT(detachLegend())); |
|
40 | connect(detachLegendButton, SIGNAL(clicked()), this, SLOT(detachLegend())); | |
41 | m_buttonLayout->addWidget(detachLegendButton, 0, 0); |
|
41 | m_buttonLayout->addWidget(detachLegendButton, 0, 0); | |
42 | QPushButton *attachLegendButton = new QPushButton("attach legend"); |
|
42 | QPushButton *attachLegendButton = new QPushButton("attach legend"); | |
43 | connect(attachLegendButton, SIGNAL(clicked()), this, SLOT(attachLegend())); |
|
43 | connect(attachLegendButton, SIGNAL(clicked()), this, SLOT(attachLegend())); | |
44 | m_buttonLayout->addWidget(attachLegendButton, 1, 0); |
|
44 | m_buttonLayout->addWidget(attachLegendButton, 1, 0); | |
45 |
|
45 | |||
46 | QPushButton *addSetButton = new QPushButton("add barset"); |
|
46 | QPushButton *addSetButton = new QPushButton("add barset"); | |
47 | connect(addSetButton, SIGNAL(clicked()), this, SLOT(addBarset())); |
|
47 | connect(addSetButton, SIGNAL(clicked()), this, SLOT(addBarset())); | |
48 | m_buttonLayout->addWidget(addSetButton, 2, 0); |
|
48 | m_buttonLayout->addWidget(addSetButton, 2, 0); | |
49 | QPushButton *removeBarsetButton = new QPushButton("remove barset"); |
|
49 | QPushButton *removeBarsetButton = new QPushButton("remove barset"); | |
50 | connect(removeBarsetButton, SIGNAL(clicked()), this, SLOT(removeBarset())); |
|
50 | connect(removeBarsetButton, SIGNAL(clicked()), this, SLOT(removeBarset())); | |
51 | m_buttonLayout->addWidget(removeBarsetButton, 3, 0); |
|
51 | m_buttonLayout->addWidget(removeBarsetButton, 3, 0); | |
52 |
|
52 | |||
53 | QPushButton *leftButton = new QPushButton("Align legend left"); |
|
53 | QPushButton *leftButton = new QPushButton("Align legend left"); | |
54 | connect(leftButton, SIGNAL(clicked()), this, SLOT(setLegendLeft())); |
|
54 | connect(leftButton, SIGNAL(clicked()), this, SLOT(setLegendLeft())); | |
55 | m_buttonLayout->addWidget(leftButton, 4, 0); |
|
55 | m_buttonLayout->addWidget(leftButton, 4, 0); | |
56 |
|
56 | |||
57 | QPushButton *rightButton = new QPushButton("Align legend right"); |
|
57 | QPushButton *rightButton = new QPushButton("Align legend right"); | |
58 | connect(rightButton, SIGNAL(clicked()), this, SLOT(setLegendRight())); |
|
58 | connect(rightButton, SIGNAL(clicked()), this, SLOT(setLegendRight())); | |
59 | m_buttonLayout->addWidget(rightButton, 5, 0); |
|
59 | m_buttonLayout->addWidget(rightButton, 5, 0); | |
60 |
|
60 | |||
61 | QPushButton *topButton = new QPushButton("Align legend top"); |
|
61 | QPushButton *topButton = new QPushButton("Align legend top"); | |
62 | connect(topButton, SIGNAL(clicked()), this, SLOT(setLegendTop())); |
|
62 | connect(topButton, SIGNAL(clicked()), this, SLOT(setLegendTop())); | |
63 | m_buttonLayout->addWidget(topButton, 6, 0); |
|
63 | m_buttonLayout->addWidget(topButton, 6, 0); | |
64 |
|
64 | |||
65 | QPushButton *bottomButton = new QPushButton("Align legend bottom"); |
|
65 | QPushButton *bottomButton = new QPushButton("Align legend bottom"); | |
66 | connect(bottomButton, SIGNAL(clicked()), this, SLOT(setLegendBottom())); |
|
66 | connect(bottomButton, SIGNAL(clicked()), this, SLOT(setLegendBottom())); | |
67 | m_buttonLayout->addWidget(bottomButton, 7, 0); |
|
67 | m_buttonLayout->addWidget(bottomButton, 7, 0); | |
68 |
|
68 | |||
69 | m_legendPosX = new QDoubleSpinBox(); |
|
69 | m_legendPosX = new QDoubleSpinBox(); | |
70 | m_legendPosY = new QDoubleSpinBox(); |
|
70 | m_legendPosY = new QDoubleSpinBox(); | |
71 | m_legendWidth = new QDoubleSpinBox(); |
|
71 | m_legendWidth = new QDoubleSpinBox(); | |
72 | m_legendHeight = new QDoubleSpinBox(); |
|
72 | m_legendHeight = new QDoubleSpinBox(); | |
73 |
|
73 | |||
74 | connect(m_legendPosX, SIGNAL(valueChanged(double)), this, SLOT(updateLegendLayout())); |
|
74 | connect(m_legendPosX, SIGNAL(valueChanged(double)), this, SLOT(updateLegendLayout())); | |
75 | connect(m_legendPosY, SIGNAL(valueChanged(double)), this, SLOT(updateLegendLayout())); |
|
75 | connect(m_legendPosY, SIGNAL(valueChanged(double)), this, SLOT(updateLegendLayout())); | |
76 | connect(m_legendWidth, SIGNAL(valueChanged(double)), this, SLOT(updateLegendLayout())); |
|
76 | connect(m_legendWidth, SIGNAL(valueChanged(double)), this, SLOT(updateLegendLayout())); | |
77 | connect(m_legendHeight, SIGNAL(valueChanged(double)), this, SLOT(updateLegendLayout())); |
|
77 | connect(m_legendHeight, SIGNAL(valueChanged(double)), this, SLOT(updateLegendLayout())); | |
78 |
|
78 | |||
79 | QFormLayout* legendLayout = new QFormLayout(); |
|
79 | QFormLayout* legendLayout = new QFormLayout(); | |
80 | legendLayout->addRow("Horizontal position", m_legendPosX); |
|
80 | legendLayout->addRow("Horizontal position", m_legendPosX); | |
81 | legendLayout->addRow("Vertical position", m_legendPosY); |
|
81 | legendLayout->addRow("Vertical position", m_legendPosY); | |
82 | legendLayout->addRow("Width", m_legendWidth); |
|
82 | legendLayout->addRow("Width", m_legendWidth); | |
83 | legendLayout->addRow("Height", m_legendHeight); |
|
83 | legendLayout->addRow("Height", m_legendHeight); | |
84 | m_legendSettings = new QGroupBox("Detached legend"); |
|
84 | m_legendSettings = new QGroupBox("Detached legend"); | |
85 | m_legendSettings->setLayout(legendLayout); |
|
85 | m_legendSettings->setLayout(legendLayout); | |
86 | m_buttonLayout->addWidget(m_legendSettings); |
|
86 | m_buttonLayout->addWidget(m_legendSettings); | |
87 | m_legendSettings->setVisible(false); |
|
87 | m_legendSettings->setVisible(false); | |
88 |
|
88 | |||
89 | // Create chart view with the chart |
|
89 | // Create chart view with the chart | |
90 | m_chart = new QChart(); |
|
90 | m_chart = new QChart(); | |
91 | m_chartView = new QChartView(m_chart, this); |
|
91 | m_chartView = new QChartView(m_chart, this); | |
92 |
|
92 | |||
93 | // Create layout for grid and detached legend |
|
93 | // Create layout for grid and detached legend | |
94 | m_mainLayout = new QGridLayout(); |
|
94 | m_mainLayout = new QGridLayout(); | |
95 | m_mainLayout->addLayout(m_buttonLayout, 0, 0); |
|
95 | m_mainLayout->addLayout(m_buttonLayout, 0, 0); | |
96 | m_mainLayout->addWidget(m_chartView, 0, 1, 3, 1); |
|
96 | m_mainLayout->addWidget(m_chartView, 0, 1, 3, 1); | |
97 | setLayout(m_mainLayout); |
|
97 | setLayout(m_mainLayout); | |
98 |
|
98 | |||
99 | createSeries(); |
|
99 | createSeries(); | |
100 | } |
|
100 | } | |
101 |
|
101 | |||
102 | void MainWidget::createSeries() |
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102 | void MainWidget::createSeries() | |
103 | { |
|
103 | { | |
104 | m_series = new QBarSeries(); |
|
104 | m_series = new QBarSeries(); | |
105 | addBarset(); |
|
105 | addBarset(); | |
106 | addBarset(); |
|
106 | addBarset(); | |
107 | addBarset(); |
|
107 | addBarset(); | |
108 | addBarset(); |
|
108 | addBarset(); | |
109 |
|
109 | |||
110 | m_chart->addSeries(m_series); |
|
110 | m_chart->addSeries(m_series); | |
111 | m_chart->setTitle("Legend detach example"); |
|
111 | m_chart->setTitle("Legend detach example"); | |
112 | //![1] |
|
112 | //![1] | |
113 | m_chart->legend()->setVisible(true); |
|
113 | m_chart->legend()->setVisible(true); | |
114 | m_chart->legend()->setAlignment(Qt::AlignBottom); |
|
114 | m_chart->legend()->setAlignment(Qt::AlignBottom); | |
115 | //![1] |
|
115 | //![1] | |
116 |
|
116 | |||
117 | m_chart->axisY()->setNiceNumbersEnabled(true); |
|
117 | m_chart->axisY()->setNiceNumbersEnabled(true); | |
118 | m_chartView->setRenderHint(QPainter::Antialiasing); |
|
118 | m_chartView->setRenderHint(QPainter::Antialiasing); | |
119 | } |
|
119 | } | |
120 |
|
120 | |||
121 | void MainWidget::showLegendSpinbox() |
|
121 | void MainWidget::showLegendSpinbox() | |
122 | { |
|
122 | { | |
123 | m_legendSettings->setVisible(true); |
|
123 | m_legendSettings->setVisible(true); | |
124 | QRectF chartViewRect = m_chartView->rect(); |
|
124 | QRectF chartViewRect = m_chartView->rect(); | |
125 | QRectF legendRect = m_chart->legend()->boundingRect(); |
|
125 | QRectF legendRect = m_chart->legend()->boundingRect(); | |
126 |
|
126 | |||
127 | m_legendPosX->setMinimum(0); |
|
127 | m_legendPosX->setMinimum(0); | |
128 | m_legendPosX->setMaximum(chartViewRect.width()); |
|
128 | m_legendPosX->setMaximum(chartViewRect.width()); | |
129 | m_legendPosX->setValue(150); |
|
129 | m_legendPosX->setValue(150); | |
130 |
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130 | |||
131 | m_legendPosY->setMinimum(0); |
|
131 | m_legendPosY->setMinimum(0); | |
132 | m_legendPosY->setMaximum(chartViewRect.height()); |
|
132 | m_legendPosY->setMaximum(chartViewRect.height()); | |
133 | m_legendPosY->setValue(150); |
|
133 | m_legendPosY->setValue(150); | |
134 |
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134 | |||
135 | m_legendWidth->setMinimum(0); |
|
135 | m_legendWidth->setMinimum(0); | |
136 | m_legendWidth->setMaximum(chartViewRect.width()); |
|
136 | m_legendWidth->setMaximum(chartViewRect.width()); | |
137 | m_legendWidth->setValue(150); |
|
137 | m_legendWidth->setValue(150); | |
138 |
|
138 | |||
139 | m_legendHeight->setMinimum(0); |
|
139 | m_legendHeight->setMinimum(0); | |
140 | m_legendHeight->setMaximum(chartViewRect.height()); |
|
140 | m_legendHeight->setMaximum(chartViewRect.height()); | |
141 | m_legendHeight->setValue(75); |
|
141 | m_legendHeight->setValue(75); | |
142 | } |
|
142 | } | |
143 |
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143 | |||
144 | void MainWidget::hideLegendSpinbox() |
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144 | void MainWidget::hideLegendSpinbox() | |
145 | { |
|
145 | { | |
146 | m_legendSettings->setVisible(false); |
|
146 | m_legendSettings->setVisible(false); | |
147 | } |
|
147 | } | |
148 |
|
148 | |||
149 |
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149 | |||
150 | void MainWidget::detachLegend() |
|
150 | void MainWidget::detachLegend() | |
151 | { |
|
151 | { | |
152 | //![2] |
|
152 | //![2] | |
153 | QLegend *legend = m_chart->legend(); |
|
153 | QLegend *legend = m_chart->legend(); | |
154 | legend->detachFromChart(); |
|
154 | legend->detachFromChart(); | |
155 |
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155 | |||
156 | m_chart->legend()->setBackgroundVisible(true); |
|
156 | m_chart->legend()->setBackgroundVisible(true); | |
157 | m_chart->legend()->setBrush(QBrush(QColor(128,128,128,128))); |
|
157 | m_chart->legend()->setBrush(QBrush(QColor(128,128,128,128))); | |
|
158 | m_chart->legend()->setPen(QPen(QColor(192,192,192,192))); | |||
158 | //![2] |
|
159 | //![2] | |
159 |
|
160 | |||
160 | showLegendSpinbox(); |
|
161 | showLegendSpinbox(); | |
161 | updateLegendLayout(); |
|
162 | updateLegendLayout(); | |
162 | update(); |
|
163 | update(); | |
163 | } |
|
164 | } | |
164 |
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165 | |||
165 |
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166 | |||
166 | void MainWidget::attachLegend() |
|
167 | void MainWidget::attachLegend() | |
167 | { |
|
168 | { | |
168 | //![3] |
|
169 | //![3] | |
169 | QLegend *legend = m_chart->legend(); |
|
170 | QLegend *legend = m_chart->legend(); | |
170 | legend->attachToChart(); |
|
171 | legend->attachToChart(); | |
171 | m_chart->legend()->setBackgroundVisible(false); |
|
172 | m_chart->legend()->setBackgroundVisible(false); | |
172 | //![3] |
|
173 | //![3] | |
173 |
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174 | |||
174 | hideLegendSpinbox(); |
|
175 | hideLegendSpinbox(); | |
175 | update(); |
|
176 | update(); | |
176 | } |
|
177 | } | |
177 |
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178 | |||
178 | void MainWidget::addBarset() |
|
179 | void MainWidget::addBarset() | |
179 | { |
|
180 | { | |
180 | QBarSet *barSet = new QBarSet(QString("set ") + QString::number(m_series->barsetCount())); |
|
181 | QBarSet *barSet = new QBarSet(QString("set ") + QString::number(m_series->barsetCount())); | |
181 | qreal delta = m_series->barsetCount() * 0.1; |
|
182 | qreal delta = m_series->barsetCount() * 0.1; | |
182 | *barSet << QPointF(0.0 + delta, 1 + delta) << QPointF(1.0 + delta, 2 + delta) << QPointF(2.0 + delta, 3 + delta) << QPointF(3.0 + delta, 4 + delta); |
|
183 | *barSet << QPointF(0.0 + delta, 1 + delta) << QPointF(1.0 + delta, 2 + delta) << QPointF(2.0 + delta, 3 + delta) << QPointF(3.0 + delta, 4 + delta); | |
183 | m_series->append(barSet); |
|
184 | m_series->append(barSet); | |
184 | } |
|
185 | } | |
185 |
|
186 | |||
186 | void MainWidget::removeBarset() |
|
187 | void MainWidget::removeBarset() | |
187 | { |
|
188 | { | |
188 | QList<QBarSet*> sets = m_series->barSets(); |
|
189 | QList<QBarSet*> sets = m_series->barSets(); | |
189 | if (sets.count() > 0) { |
|
190 | if (sets.count() > 0) { | |
190 | m_series->remove(sets.at(sets.count()-1)); |
|
191 | m_series->remove(sets.at(sets.count()-1)); | |
191 | } |
|
192 | } | |
192 | } |
|
193 | } | |
193 |
|
194 | |||
194 | void MainWidget::setLegendLeft() |
|
195 | void MainWidget::setLegendLeft() | |
195 | { |
|
196 | { | |
196 | m_chart->legend()->setAlignment(Qt::AlignLeft); |
|
197 | m_chart->legend()->setAlignment(Qt::AlignLeft); | |
197 | } |
|
198 | } | |
198 |
|
199 | |||
199 | void MainWidget::setLegendRight() |
|
200 | void MainWidget::setLegendRight() | |
200 | { |
|
201 | { | |
201 | m_chart->legend()->setAlignment(Qt::AlignRight); |
|
202 | m_chart->legend()->setAlignment(Qt::AlignRight); | |
202 | } |
|
203 | } | |
203 |
|
204 | |||
204 | void MainWidget::setLegendTop() |
|
205 | void MainWidget::setLegendTop() | |
205 | { |
|
206 | { | |
206 | m_chart->legend()->setAlignment(Qt::AlignTop); |
|
207 | m_chart->legend()->setAlignment(Qt::AlignTop); | |
207 | } |
|
208 | } | |
208 |
|
209 | |||
209 | void MainWidget::setLegendBottom() |
|
210 | void MainWidget::setLegendBottom() | |
210 | { |
|
211 | { | |
211 | m_chart->legend()->setAlignment(Qt::AlignBottom); |
|
212 | m_chart->legend()->setAlignment(Qt::AlignBottom); | |
212 | } |
|
213 | } | |
213 |
|
214 | |||
214 | void MainWidget::updateLegendLayout() |
|
215 | void MainWidget::updateLegendLayout() | |
215 | { |
|
216 | { | |
216 | //![4] |
|
217 | //![4] | |
217 | m_chart->legend()->setGeometry(m_legendPosX->value() |
|
218 | m_chart->legend()->setGeometry(m_legendPosX->value() | |
218 | ,m_legendPosY->value() |
|
219 | ,m_legendPosY->value() | |
219 | ,m_legendWidth->value() |
|
220 | ,m_legendWidth->value() | |
220 | ,m_legendHeight->value()); |
|
221 | ,m_legendHeight->value()); | |
221 | m_chart->legend()->update(); |
|
222 | m_chart->legend()->update(); | |
222 | //![4] |
|
223 | //![4] | |
223 | } |
|
224 | } |
@@ -1,740 +1,746 | |||||
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 "qlegend.h" |
|
21 | #include "qlegend.h" | |
22 | #include "qlegend_p.h" |
|
22 | #include "qlegend_p.h" | |
23 | #include "qabstractseries.h" |
|
23 | #include "qabstractseries.h" | |
24 | #include "qabstractseries_p.h" |
|
24 | #include "qabstractseries_p.h" | |
25 | #include "qchart_p.h" |
|
25 | #include "qchart_p.h" | |
26 |
|
26 | |||
27 | #include "legendmarker_p.h" |
|
27 | #include "legendmarker_p.h" | |
28 | #include "qxyseries.h" |
|
28 | #include "qxyseries.h" | |
29 | #include "qlineseries.h" |
|
29 | #include "qlineseries.h" | |
30 | #include "qareaseries.h" |
|
30 | #include "qareaseries.h" | |
31 | #include "qscatterseries.h" |
|
31 | #include "qscatterseries.h" | |
32 | #include "qsplineseries.h" |
|
32 | #include "qsplineseries.h" | |
33 | #include "qbarseries.h" |
|
33 | #include "qbarseries.h" | |
34 | #include "qstackedbarseries.h" |
|
34 | #include "qstackedbarseries.h" | |
35 | #include "qpercentbarseries.h" |
|
35 | #include "qpercentbarseries.h" | |
36 | #include "qbarset.h" |
|
36 | #include "qbarset.h" | |
37 | #include "qpieseries.h" |
|
37 | #include "qpieseries.h" | |
38 | #include "qpieseries_p.h" |
|
38 | #include "qpieseries_p.h" | |
39 | #include "qpieslice.h" |
|
39 | #include "qpieslice.h" | |
40 | #include "chartpresenter_p.h" |
|
40 | #include "chartpresenter_p.h" | |
41 | #include <QPainter> |
|
41 | #include <QPainter> | |
42 | #include <QPen> |
|
42 | #include <QPen> | |
43 | #include <QTimer> |
|
43 | #include <QTimer> | |
44 |
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44 | |||
45 | #include <QGraphicsSceneEvent> |
|
45 | #include <QGraphicsSceneEvent> | |
46 |
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46 | |||
47 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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47 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
48 |
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48 | |||
49 | /*! |
|
49 | /*! | |
50 | \class QLegend |
|
50 | \class QLegend | |
51 | \brief part of QtCommercial chart API. |
|
51 | \brief part of QtCommercial chart API. | |
52 | \mainclass |
|
52 | \mainclass | |
53 |
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53 | |||
54 | QLegend is a graphical object, whics displays legend of the chart. Legend state is updated by QChart, when |
|
54 | QLegend is a graphical object, whics displays legend of the chart. Legend state is updated by QChart, when | |
55 | series have been changed. By default, legend is drawn by QChart, but user can set a new parent to legend and |
|
55 | series have been changed. By default, legend is drawn by QChart, but user can set a new parent to legend and | |
56 | handle the drawing manually. |
|
56 | handle the drawing manually. | |
57 | User isn't supposed to create or delete legend objects, but can reference it via QChart class. |
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57 | User isn't supposed to create or delete legend objects, but can reference it via QChart class. | |
58 |
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58 | |||
59 | \image examples_percentbarchart_legend.png |
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59 | \image examples_percentbarchart_legend.png | |
60 |
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60 | |||
61 | \sa QChart |
|
61 | \sa QChart | |
62 | */ |
|
62 | */ | |
63 | /*! |
|
63 | /*! | |
64 | \qmlclass Legend QLegend |
|
64 | \qmlclass Legend QLegend | |
65 | \brief Legend is part of QtCommercial Chart QML API. |
|
65 | \brief Legend is part of QtCommercial Chart QML API. | |
66 |
|
66 | |||
67 | Legend is a graphical object, whics displays legend of the chart. Legend state is updated by ChartView, when |
|
67 | Legend is a graphical object, whics displays legend of the chart. Legend state is updated by ChartView, when | |
68 | series have been changed. Legend is referenced via ChartView class. For example: |
|
68 | series have been changed. Legend is referenced via ChartView class. For example: | |
69 | \code |
|
69 | \code | |
70 | ChartView { |
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70 | ChartView { | |
71 | legend.visible: true |
|
71 | legend.visible: true | |
72 | legend.alignment: Qt.AlignBottom |
|
72 | legend.alignment: Qt.AlignBottom | |
73 | // Add a few series... |
|
73 | // Add a few series... | |
74 | } |
|
74 | } | |
75 | \endcode |
|
75 | \endcode | |
76 |
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76 | |||
77 | \image examples_percentbarchart_legend.png |
|
77 | \image examples_percentbarchart_legend.png | |
78 | */ |
|
78 | */ | |
79 |
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79 | |||
80 | /*! |
|
80 | /*! | |
81 | \property QLegend::alignment |
|
81 | \property QLegend::alignment | |
82 | \brief The alignment of the legend. |
|
82 | \brief The alignment of the legend. | |
83 |
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83 | |||
84 | Legend paints on the defined position in the chart. The following alignments are supported: |
|
84 | Legend paints on the defined position in the chart. The following alignments are supported: | |
85 | Qt::AlignTop, Qt::AlignBottom, Qt::AlignLeft, Qt::AlignRight. If you set more than one flag the result is undefined. |
|
85 | Qt::AlignTop, Qt::AlignBottom, Qt::AlignLeft, Qt::AlignRight. If you set more than one flag the result is undefined. | |
86 | */ |
|
86 | */ | |
87 | /*! |
|
87 | /*! | |
88 | \qmlproperty Qt.Alignment Legend::alignment |
|
88 | \qmlproperty Qt.Alignment Legend::alignment | |
89 | \brief The alignment of the legend. |
|
89 | \brief The alignment of the legend. | |
90 |
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90 | |||
91 | Legend paints on the defined position in the chart. The following alignments are supported: |
|
91 | Legend paints on the defined position in the chart. The following alignments are supported: | |
92 | Qt.AlignTop, Qt.AlignBottom, Qt.AlignLeft, Qt.AlignRight. If you set more than one flag the result is undefined. |
|
92 | Qt.AlignTop, Qt.AlignBottom, Qt.AlignLeft, Qt.AlignRight. If you set more than one flag the result is undefined. | |
93 | */ |
|
93 | */ | |
94 |
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94 | |||
95 | /*! |
|
95 | /*! | |
96 | \property QLegend::backgroundVisible |
|
96 | \property QLegend::backgroundVisible | |
97 | Whether the legend background is visible or not. |
|
97 | Whether the legend background is visible or not. | |
98 | */ |
|
98 | */ | |
99 | /*! |
|
99 | /*! | |
100 | \qmlproperty bool Legend::backgroundVisible |
|
100 | \qmlproperty bool Legend::backgroundVisible | |
101 | Whether the legend background is visible or not. |
|
101 | Whether the legend background is visible or not. | |
102 | */ |
|
102 | */ | |
103 |
|
103 | |||
104 | /*! |
|
104 | /*! | |
105 | \property QLegend::color |
|
105 | \property QLegend::color | |
106 | The color of the legend, i.e. the background color. |
|
106 | The color of the legend, i.e. the background color. | |
107 | */ |
|
107 | */ | |
108 | /*! |
|
108 | /*! | |
109 | \qmlproperty color Legend::color |
|
109 | \qmlproperty color Legend::color | |
110 | The color of the legend, i.e. the background color. |
|
110 | The color of the legend, i.e. the background color. | |
111 | */ |
|
111 | */ | |
112 |
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112 | |||
113 | /*! |
|
113 | /*! | |
114 | \property QLegend::borderColor |
|
114 | \property QLegend::borderColor | |
115 | The border color of the legend, i.e. the line color. |
|
115 | The border color of the legend, i.e. the line color. | |
116 | */ |
|
116 | */ | |
117 | /*! |
|
117 | /*! | |
118 | \qmlproperty color Legend::borderColor |
|
118 | \qmlproperty color Legend::borderColor | |
119 | The border color of the legend, i.e. the line color. |
|
119 | The border color of the legend, i.e. the line color. | |
120 | */ |
|
120 | */ | |
121 |
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121 | |||
122 | /*! |
|
122 | /*! | |
123 | \fn void QLegend::alignmentChanged(Qt::Alignment) |
|
123 | \fn void QLegend::alignmentChanged(Qt::Alignment) | |
124 | Emitted when the \a alignment of the legend changes. |
|
124 | Emitted when the \a alignment of the legend changes. | |
125 | */ |
|
125 | */ | |
126 |
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126 | |||
127 | /*! |
|
127 | /*! | |
128 | \fn void QLegend::backgroundVisibleChanged(bool) |
|
128 | \fn void QLegend::backgroundVisibleChanged(bool) | |
129 | The visibility of the legend background changed to \a visible. |
|
129 | The visibility of the legend background changed to \a visible. | |
130 | */ |
|
130 | */ | |
131 |
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131 | |||
132 | /*! |
|
132 | /*! | |
133 | \fn void QLegend::colorChanged(QColor) |
|
133 | \fn void QLegend::colorChanged(QColor) | |
134 | The color of the legend background changed to \a color. |
|
134 | The color of the legend background changed to \a color. | |
135 | */ |
|
135 | */ | |
136 |
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136 | |||
137 | /*! |
|
137 | /*! | |
138 | \fn void QLegend::borderColorChanged(QColor) |
|
138 | \fn void QLegend::borderColorChanged(QColor) | |
139 | The border color of the legend background changed to \a color. |
|
139 | The border color of the legend background changed to \a color. | |
140 | */ |
|
140 | */ | |
141 |
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141 | |||
142 | /*! |
|
142 | /*! | |
143 | \fn qreal QLegend::minWidth() const |
|
143 | \fn qreal QLegend::minWidth() const | |
144 | Returns minimum width of the legend |
|
144 | Returns minimum width of the legend | |
145 | */ |
|
145 | */ | |
146 |
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146 | |||
147 | /*! |
|
147 | /*! | |
148 | \fn qreal QLegend::minHeight() const |
|
148 | \fn qreal QLegend::minHeight() const | |
149 | Returns minimum height of the legend |
|
149 | Returns minimum height of the legend | |
150 | */ |
|
150 | */ | |
151 |
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151 | |||
152 | /*! |
|
152 | /*! | |
153 | Constructs the legend object and sets the parent to \a parent |
|
153 | Constructs the legend object and sets the parent to \a parent | |
154 | */ |
|
154 | */ | |
155 |
|
155 | |||
156 | QLegend::QLegend(QChart *chart):QGraphicsWidget(chart), |
|
156 | QLegend::QLegend(QChart *chart):QGraphicsWidget(chart), | |
157 | d_ptr(new QLegendPrivate(chart->d_ptr->m_presenter,chart,this)) |
|
157 | d_ptr(new QLegendPrivate(chart->d_ptr->m_presenter,chart,this)) | |
158 | { |
|
158 | { | |
159 | setZValue(ChartPresenter::LegendZValue); |
|
159 | setZValue(ChartPresenter::LegendZValue); | |
160 | setFlags(QGraphicsItem::ItemClipsChildrenToShape); |
|
160 | setFlags(QGraphicsItem::ItemClipsChildrenToShape); | |
161 | QObject::connect(chart->d_ptr->m_dataset,SIGNAL(seriesAdded(QAbstractSeries*,Domain*)),d_ptr.data(),SLOT(handleSeriesAdded(QAbstractSeries*,Domain*))); |
|
161 | QObject::connect(chart->d_ptr->m_dataset,SIGNAL(seriesAdded(QAbstractSeries*,Domain*)),d_ptr.data(),SLOT(handleSeriesAdded(QAbstractSeries*,Domain*))); | |
162 | QObject::connect(chart->d_ptr->m_dataset,SIGNAL(seriesRemoved(QAbstractSeries*)),d_ptr.data(),SLOT(handleSeriesRemoved(QAbstractSeries*))); |
|
162 | QObject::connect(chart->d_ptr->m_dataset,SIGNAL(seriesRemoved(QAbstractSeries*)),d_ptr.data(),SLOT(handleSeriesRemoved(QAbstractSeries*))); | |
163 | QObject::connect(chart->d_ptr->m_dataset,SIGNAL(seriesUpdated(QAbstractSeries*)),d_ptr.data(),SLOT(handleSeriesUpdated(QAbstractSeries*))); |
|
163 | QObject::connect(chart->d_ptr->m_dataset,SIGNAL(seriesUpdated(QAbstractSeries*)),d_ptr.data(),SLOT(handleSeriesUpdated(QAbstractSeries*))); | |
164 | } |
|
164 | } | |
165 |
|
165 | |||
166 | /*! |
|
166 | /*! | |
167 | Destroys the legend object. Legend is always owned by a QChart, so an application should never call this. |
|
167 | Destroys the legend object. Legend is always owned by a QChart, so an application should never call this. | |
168 | */ |
|
168 | */ | |
169 | QLegend::~QLegend() |
|
169 | QLegend::~QLegend() | |
170 | { |
|
170 | { | |
171 | } |
|
171 | } | |
172 |
|
172 | |||
173 | /*! |
|
173 | /*! | |
174 | Paints the legend to given \a painter. Paremeters \a option and \a widget arent used. |
|
174 | Paints the legend to given \a painter. Paremeters \a option and \a widget arent used. | |
175 | */ |
|
175 | */ | |
176 |
|
176 | |||
177 | void QLegend::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) |
|
177 | void QLegend::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) | |
178 | { |
|
178 | { | |
179 | Q_UNUSED(option) |
|
179 | Q_UNUSED(option) | |
180 | Q_UNUSED(widget) |
|
180 | Q_UNUSED(widget) | |
181 | if(!d_ptr->m_backgroundVisible) return; |
|
181 | if(!d_ptr->m_backgroundVisible) return; | |
182 |
|
182 | |||
183 | painter->setOpacity(opacity()); |
|
183 | painter->setOpacity(opacity()); | |
184 | painter->setPen(d_ptr->m_pen); |
|
184 | painter->setPen(d_ptr->m_pen); | |
185 | painter->setBrush(d_ptr->m_brush); |
|
185 | painter->setBrush(d_ptr->m_brush); | |
186 | painter->drawRect(boundingRect()); |
|
186 | painter->drawRoundRect(rect(),d_ptr->roundness(rect().width()),d_ptr->roundness(rect().height())); | |
187 | } |
|
187 | } | |
188 |
|
188 | |||
189 | /*! |
|
189 | /*! | |
190 | Bounding rect of legend. |
|
190 | Bounding rect of legend. | |
191 | */ |
|
191 | */ | |
192 |
|
192 | |||
193 | QRectF QLegend::boundingRect() const |
|
193 | QRectF QLegend::boundingRect() const | |
194 | { |
|
194 | { | |
195 | return d_ptr->m_rect; |
|
195 | return d_ptr->m_rect; | |
196 | } |
|
196 | } | |
197 |
|
197 | |||
198 | /*! |
|
198 | /*! | |
199 | Sets the \a brush of legend. Brush affects the background of legend. |
|
199 | Sets the \a brush of legend. Brush affects the background of legend. | |
200 | */ |
|
200 | */ | |
201 | void QLegend::setBrush(const QBrush &brush) |
|
201 | void QLegend::setBrush(const QBrush &brush) | |
202 | { |
|
202 | { | |
203 | if (d_ptr->m_brush != brush) { |
|
203 | if (d_ptr->m_brush != brush) { | |
204 | d_ptr->m_brush = brush; |
|
204 | d_ptr->m_brush = brush; | |
205 | update(); |
|
205 | update(); | |
206 | } |
|
206 | } | |
207 | } |
|
207 | } | |
208 |
|
208 | |||
209 | /*! |
|
209 | /*! | |
210 | Returns the brush used by legend. |
|
210 | Returns the brush used by legend. | |
211 | */ |
|
211 | */ | |
212 | QBrush QLegend::brush() const |
|
212 | QBrush QLegend::brush() const | |
213 | { |
|
213 | { | |
214 | return d_ptr->m_brush; |
|
214 | return d_ptr->m_brush; | |
215 | } |
|
215 | } | |
216 |
|
216 | |||
217 | void QLegend::setColor(QColor color) |
|
217 | void QLegend::setColor(QColor color) | |
218 | { |
|
218 | { | |
219 | QBrush b = d_ptr->m_brush; |
|
219 | QBrush b = d_ptr->m_brush; | |
220 | if (b.color() != color) { |
|
220 | if (b.color() != color) { | |
221 | b.setColor(color); |
|
221 | b.setColor(color); | |
222 | setBrush(b); |
|
222 | setBrush(b); | |
223 | emit colorChanged(color); |
|
223 | emit colorChanged(color); | |
224 | } |
|
224 | } | |
225 | } |
|
225 | } | |
226 |
|
226 | |||
227 | QColor QLegend::color() |
|
227 | QColor QLegend::color() | |
228 | { |
|
228 | { | |
229 | return d_ptr->m_brush.color(); |
|
229 | return d_ptr->m_brush.color(); | |
230 | } |
|
230 | } | |
231 |
|
231 | |||
232 | /*! |
|
232 | /*! | |
233 | Sets the \a pen of legend. Pen affects the legend borders. |
|
233 | Sets the \a pen of legend. Pen affects the legend borders. | |
234 | */ |
|
234 | */ | |
235 | void QLegend::setPen(const QPen &pen) |
|
235 | void QLegend::setPen(const QPen &pen) | |
236 | { |
|
236 | { | |
237 | if (d_ptr->m_pen != pen) { |
|
237 | if (d_ptr->m_pen != pen) { | |
238 | d_ptr->m_pen = pen; |
|
238 | d_ptr->m_pen = pen; | |
239 | update(); |
|
239 | update(); | |
240 | } |
|
240 | } | |
241 | } |
|
241 | } | |
242 |
|
242 | |||
243 | /*! |
|
243 | /*! | |
244 | Returns the pen used by legend |
|
244 | Returns the pen used by legend | |
245 | */ |
|
245 | */ | |
246 |
|
246 | |||
247 | QPen QLegend::pen() const |
|
247 | QPen QLegend::pen() const | |
248 | { |
|
248 | { | |
249 | return d_ptr->m_pen; |
|
249 | return d_ptr->m_pen; | |
250 | } |
|
250 | } | |
251 |
|
251 | |||
252 | void QLegend::setBorderColor(QColor color) |
|
252 | void QLegend::setBorderColor(QColor color) | |
253 | { |
|
253 | { | |
254 | QPen p = d_ptr->m_pen; |
|
254 | QPen p = d_ptr->m_pen; | |
255 | if (p.color() != color) { |
|
255 | if (p.color() != color) { | |
256 | p.setColor(color); |
|
256 | p.setColor(color); | |
257 | setPen(p); |
|
257 | setPen(p); | |
258 | emit borderColorChanged(color); |
|
258 | emit borderColorChanged(color); | |
259 | } |
|
259 | } | |
260 | } |
|
260 | } | |
261 |
|
261 | |||
262 | QColor QLegend::borderColor() |
|
262 | QColor QLegend::borderColor() | |
263 | { |
|
263 | { | |
264 | return d_ptr->m_pen.color(); |
|
264 | return d_ptr->m_pen.color(); | |
265 | } |
|
265 | } | |
266 |
|
266 | |||
267 | void QLegend::setAlignment(Qt::Alignment alignment) |
|
267 | void QLegend::setAlignment(Qt::Alignment alignment) | |
268 | { |
|
268 | { | |
269 | if(d_ptr->m_alignment!=alignment) { |
|
269 | if(d_ptr->m_alignment!=alignment) { | |
270 | d_ptr->m_alignment = alignment; |
|
270 | d_ptr->m_alignment = alignment; | |
271 | d_ptr->updateLayout(); |
|
271 | d_ptr->updateLayout(); | |
272 | alignmentChanged(alignment); |
|
272 | alignmentChanged(alignment); | |
273 | } |
|
273 | } | |
274 | } |
|
274 | } | |
275 |
|
275 | |||
276 | Qt::Alignment QLegend::alignment() const |
|
276 | Qt::Alignment QLegend::alignment() const | |
277 | { |
|
277 | { | |
278 | return d_ptr->m_alignment; |
|
278 | return d_ptr->m_alignment; | |
279 | } |
|
279 | } | |
280 |
|
280 | |||
281 | /*! |
|
281 | /*! | |
282 | Detaches the legend from chart. Chart won't change layout of the legend. |
|
282 | Detaches the legend from chart. Chart won't change layout of the legend. | |
283 | */ |
|
283 | */ | |
284 | void QLegend::detachFromChart() |
|
284 | void QLegend::detachFromChart() | |
285 | { |
|
285 | { | |
286 | d_ptr->m_attachedToChart = false; |
|
286 | d_ptr->m_attachedToChart = false; | |
287 | } |
|
287 | } | |
288 |
|
288 | |||
289 | /*! |
|
289 | /*! | |
290 | Attaches the legend to chart. Chart may change layout of the legend. |
|
290 | Attaches the legend to chart. Chart may change layout of the legend. | |
291 | */ |
|
291 | */ | |
292 | void QLegend::attachToChart() |
|
292 | void QLegend::attachToChart() | |
293 | { |
|
293 | { | |
294 | d_ptr->attachToChart(); |
|
294 | d_ptr->attachToChart(); | |
295 | } |
|
295 | } | |
296 |
|
296 | |||
297 | /*! |
|
297 | /*! | |
298 | Returns true, if legend is attached to chart. |
|
298 | Returns true, if legend is attached to chart. | |
299 | */ |
|
299 | */ | |
300 | bool QLegend::isAttachedToChart() |
|
300 | bool QLegend::isAttachedToChart() | |
301 | { |
|
301 | { | |
302 | return d_ptr->m_attachedToChart; |
|
302 | return d_ptr->m_attachedToChart; | |
303 | } |
|
303 | } | |
304 |
|
304 | |||
305 | /*! |
|
305 | /*! | |
306 | Sets the legend's scrolling offset to value defined by \a point. |
|
306 | Sets the legend's scrolling offset to value defined by \a point. | |
307 | */ |
|
307 | */ | |
308 | void QLegend::setOffset(const QPointF& point) |
|
308 | void QLegend::setOffset(const QPointF& point) | |
309 | { |
|
309 | { | |
310 | d_ptr->setOffset(point.x(),point.y()); |
|
310 | d_ptr->setOffset(point.x(),point.y()); | |
311 | } |
|
311 | } | |
312 |
|
312 | |||
313 | /*! |
|
313 | /*! | |
314 | Returns the legend's scrolling offset. |
|
314 | Returns the legend's scrolling offset. | |
315 | */ |
|
315 | */ | |
316 | QPointF QLegend::offset() const |
|
316 | QPointF QLegend::offset() const | |
317 | { |
|
317 | { | |
318 | return QPointF(d_ptr->m_offsetX,d_ptr->m_offsetY); |
|
318 | return QPointF(d_ptr->m_offsetX,d_ptr->m_offsetY); | |
319 | } |
|
319 | } | |
320 |
|
320 | |||
321 | /*! |
|
321 | /*! | |
322 | Sets the visibility of legend background to \a visible |
|
322 | Sets the visibility of legend background to \a visible | |
323 | */ |
|
323 | */ | |
324 | void QLegend::setBackgroundVisible(bool visible) |
|
324 | void QLegend::setBackgroundVisible(bool visible) | |
325 | { |
|
325 | { | |
326 | if(d_ptr->m_backgroundVisible != visible) { |
|
326 | if(d_ptr->m_backgroundVisible != visible) { | |
327 | d_ptr->m_backgroundVisible = visible; |
|
327 | d_ptr->m_backgroundVisible = visible; | |
328 | update(); |
|
328 | update(); | |
329 | emit backgroundVisibleChanged(visible); |
|
329 | emit backgroundVisibleChanged(visible); | |
330 | } |
|
330 | } | |
331 | } |
|
331 | } | |
332 |
|
332 | |||
333 | /*! |
|
333 | /*! | |
334 | Returns the visibility of legend background |
|
334 | Returns the visibility of legend background | |
335 | */ |
|
335 | */ | |
336 | bool QLegend::isBackgroundVisible() const |
|
336 | bool QLegend::isBackgroundVisible() const | |
337 | { |
|
337 | { | |
338 | return d_ptr->m_backgroundVisible; |
|
338 | return d_ptr->m_backgroundVisible; | |
339 | } |
|
339 | } | |
340 |
|
340 | |||
341 | /*! |
|
341 | /*! | |
342 | \internal \a event see QGraphicsWidget for details |
|
342 | \internal \a event see QGraphicsWidget for details | |
343 | */ |
|
343 | */ | |
344 | void QLegend::resizeEvent(QGraphicsSceneResizeEvent *event) |
|
344 | void QLegend::resizeEvent(QGraphicsSceneResizeEvent *event) | |
345 | { |
|
345 | { | |
346 | const QRectF& rect = QRectF(QPoint(0,0),event->newSize()); |
|
346 | const QRectF& rect = QRectF(QPoint(0,0),event->newSize()); | |
347 | QGraphicsWidget::resizeEvent(event); |
|
347 | QGraphicsWidget::resizeEvent(event); | |
348 | if(d_ptr->m_rect != rect) { |
|
348 | if(d_ptr->m_rect != rect) { | |
349 | d_ptr->m_rect = rect; |
|
349 | d_ptr->m_rect = rect; | |
350 | d_ptr->updateLayout(); |
|
350 | d_ptr->updateLayout(); | |
351 | } |
|
351 | } | |
352 | } |
|
352 | } | |
353 |
|
353 | |||
354 | /*! |
|
354 | /*! | |
355 | \internal \a event see QGraphicsWidget for details |
|
355 | \internal \a event see QGraphicsWidget for details | |
356 | */ |
|
356 | */ | |
357 | void QLegend::hideEvent(QHideEvent *event) |
|
357 | void QLegend::hideEvent(QHideEvent *event) | |
358 | { |
|
358 | { | |
359 | QGraphicsWidget::hideEvent(event); |
|
359 | QGraphicsWidget::hideEvent(event); | |
360 | setEnabled(false); |
|
360 | setEnabled(false); | |
361 | d_ptr->updateLayout(); |
|
361 | d_ptr->updateLayout(); | |
362 | } |
|
362 | } | |
363 |
|
363 | |||
364 | /*! |
|
364 | /*! | |
365 | \internal \a event see QGraphicsWidget for details |
|
365 | \internal \a event see QGraphicsWidget for details | |
366 | */ |
|
366 | */ | |
367 | void QLegend::showEvent(QShowEvent *event) |
|
367 | void QLegend::showEvent(QShowEvent *event) | |
368 | { |
|
368 | { | |
369 | QGraphicsWidget::showEvent(event); |
|
369 | QGraphicsWidget::showEvent(event); | |
370 | setEnabled(true); |
|
370 | setEnabled(true); | |
371 | d_ptr->updateLayout(); |
|
371 | d_ptr->updateLayout(); | |
372 | } |
|
372 | } | |
373 |
|
373 | |||
374 | qreal QLegend::minWidth() const |
|
374 | qreal QLegend::minWidth() const | |
375 | { |
|
375 | { | |
376 | return d_ptr->m_minWidth; |
|
376 | return d_ptr->m_minWidth; | |
377 | } |
|
377 | } | |
378 |
|
378 | |||
379 | qreal QLegend::minHeight() const |
|
379 | qreal QLegend::minHeight() const | |
380 | { |
|
380 | { | |
381 | return d_ptr->m_minHeight; |
|
381 | return d_ptr->m_minHeight; | |
382 | } |
|
382 | } | |
383 |
|
383 | |||
384 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
|
384 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | |
385 |
|
385 | |||
386 | QLegendPrivate::QLegendPrivate(ChartPresenter* presenter, QChart *chart, QLegend *q): |
|
386 | QLegendPrivate::QLegendPrivate(ChartPresenter* presenter, QChart *chart, QLegend *q): | |
387 | q_ptr(q), |
|
387 | q_ptr(q), | |
388 | m_presenter(presenter), |
|
388 | m_presenter(presenter), | |
389 | m_chart(chart), |
|
389 | m_chart(chart), | |
390 | m_markers(new QGraphicsItemGroup(q)), |
|
390 | m_markers(new QGraphicsItemGroup(q)), | |
391 | m_alignment(Qt::AlignTop), |
|
391 | m_alignment(Qt::AlignTop), | |
392 | m_offsetX(0), |
|
392 | m_offsetX(0), | |
393 | m_offsetY(0), |
|
393 | m_offsetY(0), | |
394 | m_minWidth(0), |
|
394 | m_minWidth(0), | |
395 | m_minHeight(0), |
|
395 | m_minHeight(0), | |
396 | m_width(0), |
|
396 | m_width(0), | |
397 | m_height(0), |
|
397 | m_height(0), | |
|
398 | m_diameter(5), | |||
398 | m_attachedToChart(true), |
|
399 | m_attachedToChart(true), | |
399 | m_backgroundVisible(false) |
|
400 | m_backgroundVisible(false) | |
400 | { |
|
401 | { | |
401 |
|
402 | |||
402 | } |
|
403 | } | |
403 |
|
404 | |||
404 | QLegendPrivate::~QLegendPrivate() |
|
405 | QLegendPrivate::~QLegendPrivate() | |
405 | { |
|
406 | { | |
406 |
|
407 | |||
407 | } |
|
408 | } | |
408 |
|
409 | |||
409 | void QLegendPrivate::setOffset(qreal x, qreal y) |
|
410 | void QLegendPrivate::setOffset(qreal x, qreal y) | |
410 | { |
|
411 | { | |
411 | bool scrollHorizontal = true; |
|
412 | bool scrollHorizontal = true; | |
412 | switch(m_alignment) { |
|
413 | switch(m_alignment) { | |
413 | case Qt::AlignTop: |
|
414 | case Qt::AlignTop: | |
414 | case Qt::AlignBottom: { |
|
415 | case Qt::AlignBottom: { | |
415 | scrollHorizontal = true; |
|
416 | scrollHorizontal = true; | |
416 | break; |
|
417 | break; | |
417 | } |
|
418 | } | |
418 | case Qt::AlignLeft: |
|
419 | case Qt::AlignLeft: | |
419 | case Qt::AlignRight: { |
|
420 | case Qt::AlignRight: { | |
420 | scrollHorizontal = false; |
|
421 | scrollHorizontal = false; | |
421 | break; |
|
422 | break; | |
422 | } |
|
423 | } | |
423 | } |
|
424 | } | |
424 |
|
425 | |||
425 | // If detached, the scrolling direction is vertical instead of horizontal and vice versa. |
|
426 | // If detached, the scrolling direction is vertical instead of horizontal and vice versa. | |
426 | if (!m_attachedToChart) { |
|
427 | if (!m_attachedToChart) { | |
427 | scrollHorizontal = !scrollHorizontal; |
|
428 | scrollHorizontal = !scrollHorizontal; | |
428 | } |
|
429 | } | |
429 |
|
430 | |||
430 | // Limit offset between m_minOffset and m_maxOffset |
|
431 | // Limit offset between m_minOffset and m_maxOffset | |
431 | if (scrollHorizontal) { |
|
432 | if (scrollHorizontal) { | |
432 | if(m_width<=m_rect.width()) return; |
|
433 | if(m_width<=m_rect.width()) return; | |
433 |
|
434 | |||
434 | if (x != m_offsetX) { |
|
435 | if (x != m_offsetX) { | |
435 | m_offsetX = qBound(m_minOffsetX, x, m_maxOffsetX); |
|
436 | m_offsetX = qBound(m_minOffsetX, x, m_maxOffsetX); | |
436 | m_markers->setPos(-m_offsetX,m_rect.top()); |
|
437 | m_markers->setPos(-m_offsetX,m_rect.top()); | |
437 | } |
|
438 | } | |
438 | } else { |
|
439 | } else { | |
439 | if(m_height<=m_rect.height()) return; |
|
440 | if(m_height<=m_rect.height()) return; | |
440 |
|
441 | |||
441 | if (y != m_offsetY) { |
|
442 | if (y != m_offsetY) { | |
442 | m_offsetY = qBound(m_minOffsetY, y, m_maxOffsetY); |
|
443 | m_offsetY = qBound(m_minOffsetY, y, m_maxOffsetY); | |
443 | m_markers->setPos(m_rect.left(),-m_offsetY); |
|
444 | m_markers->setPos(m_rect.left(),-m_offsetY); | |
444 | } |
|
445 | } | |
445 | } |
|
446 | } | |
446 | } |
|
447 | } | |
447 |
|
448 | |||
448 |
|
449 | |||
449 | void QLegendPrivate::updateLayout() |
|
450 | void QLegendPrivate::updateLayout() | |
450 | { |
|
451 | { | |
451 | if (!m_attachedToChart) { |
|
452 | if (!m_attachedToChart) { | |
452 | updateDetachedLayout(); |
|
453 | updateDetachedLayout(); | |
453 | return; |
|
454 | return; | |
454 | } |
|
455 | } | |
455 |
|
456 | |||
456 | m_offsetX=0; |
|
457 | m_offsetX=0; | |
457 | QList<QGraphicsItem *> items = m_markers->childItems(); |
|
458 | QList<QGraphicsItem *> items = m_markers->childItems(); | |
458 |
|
459 | |||
459 | if(items.isEmpty()) return; |
|
460 | if(items.isEmpty()) return; | |
460 |
|
461 | |||
461 | m_minWidth=0; |
|
462 | m_minWidth=0; | |
462 | m_minHeight=0; |
|
463 | m_minHeight=0; | |
463 |
|
464 | |||
464 | switch(m_alignment) { |
|
465 | switch(m_alignment) { | |
465 |
|
466 | |||
466 | case Qt::AlignTop: |
|
467 | case Qt::AlignTop: | |
467 | case Qt::AlignBottom: { |
|
468 | case Qt::AlignBottom: { | |
468 | QPointF point = m_rect.topLeft(); |
|
469 | QPointF point = m_rect.topLeft(); | |
469 | m_width = 0; |
|
470 | m_width = 0; | |
470 | foreach (QGraphicsItem *item, items) { |
|
471 | foreach (QGraphicsItem *item, items) { | |
471 | item->setPos(point.x(),m_rect.height()/2 -item->boundingRect().height()/2); |
|
472 | item->setPos(point.x(),m_rect.height()/2 -item->boundingRect().height()/2); | |
472 | const QRectF& rect = item->boundingRect(); |
|
473 | const QRectF& rect = item->boundingRect(); | |
473 | qreal w = rect.width(); |
|
474 | qreal w = rect.width(); | |
474 | m_minWidth=qMax(m_minWidth,w); |
|
475 | m_minWidth=qMax(m_minWidth,w); | |
475 | m_minHeight=qMax(m_minHeight,rect.height()); |
|
476 | m_minHeight=qMax(m_minHeight,rect.height()); | |
476 | m_width+=w; |
|
477 | m_width+=w; | |
477 | point.setX(point.x() + w); |
|
478 | point.setX(point.x() + w); | |
478 | } |
|
479 | } | |
479 | if(m_width<m_rect.width()) { |
|
480 | if(m_width<m_rect.width()) { | |
480 | m_markers->setPos(m_rect.width()/2-m_width/2,m_rect.top()); |
|
481 | m_markers->setPos(m_rect.width()/2-m_width/2,m_rect.top()); | |
481 | } |
|
482 | } | |
482 | else { |
|
483 | else { | |
483 | m_markers->setPos(m_rect.topLeft()); |
|
484 | m_markers->setPos(m_rect.topLeft()); | |
484 | } |
|
485 | } | |
485 | m_height=m_minHeight; |
|
486 | m_height=m_minHeight; | |
486 | } |
|
487 | } | |
487 | break; |
|
488 | break; | |
488 | case Qt::AlignLeft: |
|
489 | case Qt::AlignLeft: | |
489 | case Qt::AlignRight: { |
|
490 | case Qt::AlignRight: { | |
490 | QPointF point = m_rect.topLeft(); |
|
491 | QPointF point = m_rect.topLeft(); | |
491 | m_height = 0; |
|
492 | m_height = 0; | |
492 | foreach (QGraphicsItem *item, items) { |
|
493 | foreach (QGraphicsItem *item, items) { | |
493 | item->setPos(point); |
|
494 | item->setPos(point); | |
494 | const QRectF& rect = item->boundingRect(); |
|
495 | const QRectF& rect = item->boundingRect(); | |
495 | qreal h = rect.height(); |
|
496 | qreal h = rect.height(); | |
496 | m_minWidth=qMax(m_minWidth,rect.width()); |
|
497 | m_minWidth=qMax(m_minWidth,rect.width()); | |
497 | m_minHeight=qMax(m_minHeight,h); |
|
498 | m_minHeight=qMax(m_minHeight,h); | |
498 | m_height+=h; |
|
499 | m_height+=h; | |
499 | point.setY(point.y() + h); |
|
500 | point.setY(point.y() + h); | |
500 | } |
|
501 | } | |
501 | if(m_height<m_rect.height()) { |
|
502 | if(m_height<m_rect.height()) { | |
502 | m_markers->setPos(m_rect.left(),m_rect.height()/2-m_height/2); |
|
503 | m_markers->setPos(m_rect.left(),m_rect.height()/2-m_height/2); | |
503 | } |
|
504 | } | |
504 | else { |
|
505 | else { | |
505 | m_markers->setPos(m_rect.topLeft()); |
|
506 | m_markers->setPos(m_rect.topLeft()); | |
506 | } |
|
507 | } | |
507 | m_width=m_minWidth; |
|
508 | m_width=m_minWidth; | |
508 | } |
|
509 | } | |
509 | break; |
|
510 | break; | |
510 | } |
|
511 | } | |
511 |
|
512 | |||
512 | m_minOffsetX = 0; |
|
513 | m_minOffsetX = 0; | |
513 | m_minOffsetY = 0; |
|
514 | m_minOffsetY = 0; | |
514 | m_maxOffsetX = m_width - m_rect.width(); |
|
515 | m_maxOffsetX = m_width - m_rect.width(); | |
515 | m_maxOffsetY = m_height - m_rect.height(); |
|
516 | m_maxOffsetY = m_height - m_rect.height(); | |
516 |
|
517 | |||
517 | m_presenter->updateLayout(); |
|
518 | m_presenter->updateLayout(); | |
518 | } |
|
519 | } | |
519 |
|
520 | |||
520 | void QLegendPrivate::updateDetachedLayout() |
|
521 | void QLegendPrivate::updateDetachedLayout() | |
521 | { |
|
522 | { | |
522 | // Detached layout is different. |
|
523 | // Detached layout is different. | |
523 | // In detached mode legend may have multiple rows and columns, so layout calculations |
|
524 | // In detached mode legend may have multiple rows and columns, so layout calculations | |
524 | // differ a log from attached mode. |
|
525 | // differ a log from attached mode. | |
525 | // Also the scrolling logic is bit different. |
|
526 | // Also the scrolling logic is bit different. | |
526 | m_offsetX=0; |
|
527 | m_offsetX=0; | |
527 | m_offsetY=0; |
|
528 | m_offsetY=0; | |
528 | QList<QGraphicsItem *> items = m_markers->childItems(); |
|
529 | QList<QGraphicsItem *> items = m_markers->childItems(); | |
529 |
|
530 | |||
530 | if(items.isEmpty()) return; |
|
531 | if(items.isEmpty()) return; | |
531 |
|
532 | |||
532 | m_minWidth = 0; |
|
533 | m_minWidth = 0; | |
533 | m_minHeight = 0; |
|
534 | m_minHeight = 0; | |
534 |
|
535 | |||
535 | switch (m_alignment) { |
|
536 | switch (m_alignment) { | |
536 | case Qt::AlignTop: { |
|
537 | case Qt::AlignTop: { | |
537 | QPointF point = m_rect.topLeft(); |
|
538 | QPointF point = m_rect.topLeft(); | |
538 | m_width = 0; |
|
539 | m_width = 0; | |
539 | m_height = 0; |
|
540 | m_height = 0; | |
540 | for (int i=0; i<items.count(); i++) { |
|
541 | for (int i=0; i<items.count(); i++) { | |
541 | QGraphicsItem *item = items.at(i); |
|
542 | QGraphicsItem *item = items.at(i); | |
542 | const QRectF& rect = item->boundingRect(); |
|
543 | const QRectF& rect = item->boundingRect(); | |
543 | qreal w = rect.width(); |
|
544 | qreal w = rect.width(); | |
544 | qreal h = rect.height(); |
|
545 | qreal h = rect.height(); | |
545 | m_minWidth = qMax(m_minWidth,w); |
|
546 | m_minWidth = qMax(m_minWidth,w); | |
546 | m_minHeight = qMax(m_minHeight,rect.height()); |
|
547 | m_minHeight = qMax(m_minHeight,rect.height()); | |
547 | m_height = qMax(m_height,h); |
|
548 | m_height = qMax(m_height,h); | |
548 | item->setPos(point.x(),point.y()); |
|
549 | item->setPos(point.x(),point.y()); | |
549 | point.setX(point.x() + w); |
|
550 | point.setX(point.x() + w); | |
550 | if (point.x() + w > m_rect.topLeft().x() + m_rect.width()) { |
|
551 | if (point.x() + w > m_rect.topLeft().x() + m_rect.width()) { | |
551 | // Next item would go off rect. |
|
552 | // Next item would go off rect. | |
552 | point.setX(m_rect.topLeft().x()); |
|
553 | point.setX(m_rect.topLeft().x()); | |
553 | point.setY(point.y() + h); |
|
554 | point.setY(point.y() + h); | |
554 | if (i+1 < items.count()) { |
|
555 | if (i+1 < items.count()) { | |
555 | m_height += h; |
|
556 | m_height += h; | |
556 | } |
|
557 | } | |
557 | } |
|
558 | } | |
558 | } |
|
559 | } | |
559 | m_markers->setPos(m_rect.topLeft()); |
|
560 | m_markers->setPos(m_rect.topLeft()); | |
560 | m_width = m_minWidth; |
|
561 | m_width = m_minWidth; | |
561 |
|
562 | |||
562 | m_minOffsetX = 0; |
|
563 | m_minOffsetX = 0; | |
563 | m_minOffsetY = 0; |
|
564 | m_minOffsetY = 0; | |
564 | m_maxOffsetX = m_width - m_rect.width(); |
|
565 | m_maxOffsetX = m_width - m_rect.width(); | |
565 | m_maxOffsetY = m_height - m_rect.height(); |
|
566 | m_maxOffsetY = m_height - m_rect.height(); | |
566 | } |
|
567 | } | |
567 | break; |
|
568 | break; | |
568 | case Qt::AlignBottom: { |
|
569 | case Qt::AlignBottom: { | |
569 | QPointF point = m_rect.bottomLeft(); |
|
570 | QPointF point = m_rect.bottomLeft(); | |
570 | m_width = 0; |
|
571 | m_width = 0; | |
571 | m_height = 0; |
|
572 | m_height = 0; | |
572 | for (int i=0; i<items.count(); i++) { |
|
573 | for (int i=0; i<items.count(); i++) { | |
573 | QGraphicsItem *item = items.at(i); |
|
574 | QGraphicsItem *item = items.at(i); | |
574 | const QRectF& rect = item->boundingRect(); |
|
575 | const QRectF& rect = item->boundingRect(); | |
575 | qreal w = rect.width(); |
|
576 | qreal w = rect.width(); | |
576 | qreal h = rect.height(); |
|
577 | qreal h = rect.height(); | |
577 | m_minWidth = qMax(m_minWidth,w); |
|
578 | m_minWidth = qMax(m_minWidth,w); | |
578 | m_minHeight = qMax(m_minHeight,rect.height()); |
|
579 | m_minHeight = qMax(m_minHeight,rect.height()); | |
579 | m_height = qMax(m_height,h); |
|
580 | m_height = qMax(m_height,h); | |
580 | item->setPos(point.x(),point.y() - h); |
|
581 | item->setPos(point.x(),point.y() - h); | |
581 | point.setX(point.x() + w); |
|
582 | point.setX(point.x() + w); | |
582 | if (point.x() + w > m_rect.bottomLeft().x() + m_rect.width()) { |
|
583 | if (point.x() + w > m_rect.bottomLeft().x() + m_rect.width()) { | |
583 | // Next item would go off rect. |
|
584 | // Next item would go off rect. | |
584 | point.setX(m_rect.bottomLeft().x()); |
|
585 | point.setX(m_rect.bottomLeft().x()); | |
585 | point.setY(point.y() - h); |
|
586 | point.setY(point.y() - h); | |
586 | if (i+1 < items.count()) { |
|
587 | if (i+1 < items.count()) { | |
587 | m_height += h; |
|
588 | m_height += h; | |
588 | } |
|
589 | } | |
589 | } |
|
590 | } | |
590 | } |
|
591 | } | |
591 | m_markers->setPos(m_rect.topLeft()); |
|
592 | m_markers->setPos(m_rect.topLeft()); | |
592 | m_width = m_minWidth; |
|
593 | m_width = m_minWidth; | |
593 |
|
594 | |||
594 | m_minOffsetX = 0; |
|
595 | m_minOffsetX = 0; | |
595 | m_minOffsetY = qMin(m_rect.topLeft().y(), m_rect.topLeft().y() - m_height + m_rect.height()); |
|
596 | m_minOffsetY = qMin(m_rect.topLeft().y(), m_rect.topLeft().y() - m_height + m_rect.height()); | |
596 | m_maxOffsetX = m_width - m_rect.width(); |
|
597 | m_maxOffsetX = m_width - m_rect.width(); | |
597 | m_maxOffsetY = 0; |
|
598 | m_maxOffsetY = 0; | |
598 | } |
|
599 | } | |
599 | break; |
|
600 | break; | |
600 | case Qt::AlignLeft: { |
|
601 | case Qt::AlignLeft: { | |
601 | QPointF point = m_rect.topLeft(); |
|
602 | QPointF point = m_rect.topLeft(); | |
602 | m_width = 0; |
|
603 | m_width = 0; | |
603 | m_height = 0; |
|
604 | m_height = 0; | |
604 | qreal maxWidth = 0; |
|
605 | qreal maxWidth = 0; | |
605 | for (int i=0; i<items.count(); i++) { |
|
606 | for (int i=0; i<items.count(); i++) { | |
606 | QGraphicsItem *item = items.at(i); |
|
607 | QGraphicsItem *item = items.at(i); | |
607 | const QRectF& rect = item->boundingRect(); |
|
608 | const QRectF& rect = item->boundingRect(); | |
608 | qreal w = rect.width(); |
|
609 | qreal w = rect.width(); | |
609 | qreal h = rect.height(); |
|
610 | qreal h = rect.height(); | |
610 | m_minWidth = qMax(m_minWidth,rect.width()); |
|
611 | m_minWidth = qMax(m_minWidth,rect.width()); | |
611 | m_minHeight = qMax(m_minHeight,h); |
|
612 | m_minHeight = qMax(m_minHeight,h); | |
612 | maxWidth = qMax(maxWidth,w); |
|
613 | maxWidth = qMax(maxWidth,w); | |
613 | item->setPos(point.x(),point.y()); |
|
614 | item->setPos(point.x(),point.y()); | |
614 | point.setY(point.y() + h); |
|
615 | point.setY(point.y() + h); | |
615 | if (point.y() + h > m_rect.topLeft().y() + m_rect.height()) { |
|
616 | if (point.y() + h > m_rect.topLeft().y() + m_rect.height()) { | |
616 | // Next item would go off rect. |
|
617 | // Next item would go off rect. | |
617 | point.setX(point.x() + maxWidth); |
|
618 | point.setX(point.x() + maxWidth); | |
618 | point.setY(m_rect.topLeft().y()); |
|
619 | point.setY(m_rect.topLeft().y()); | |
619 | if (i+1 < items.count()) { |
|
620 | if (i+1 < items.count()) { | |
620 | m_width += maxWidth; |
|
621 | m_width += maxWidth; | |
621 | maxWidth = 0; |
|
622 | maxWidth = 0; | |
622 | } |
|
623 | } | |
623 | } |
|
624 | } | |
624 | } |
|
625 | } | |
625 | m_width += maxWidth; |
|
626 | m_width += maxWidth; | |
626 | m_markers->setPos(m_rect.topLeft()); |
|
627 | m_markers->setPos(m_rect.topLeft()); | |
627 | m_height = m_minHeight; |
|
628 | m_height = m_minHeight; | |
628 |
|
629 | |||
629 | m_minOffsetX = 0; |
|
630 | m_minOffsetX = 0; | |
630 | m_minOffsetY = 0; |
|
631 | m_minOffsetY = 0; | |
631 | m_maxOffsetX = m_width - m_rect.width(); |
|
632 | m_maxOffsetX = m_width - m_rect.width(); | |
632 | m_maxOffsetY = m_height - m_rect.height(); |
|
633 | m_maxOffsetY = m_height - m_rect.height(); | |
633 | } |
|
634 | } | |
634 | break; |
|
635 | break; | |
635 | case Qt::AlignRight: { |
|
636 | case Qt::AlignRight: { | |
636 | QPointF point = m_rect.topRight(); |
|
637 | QPointF point = m_rect.topRight(); | |
637 | m_width = 0; |
|
638 | m_width = 0; | |
638 | m_height = 0; |
|
639 | m_height = 0; | |
639 | qreal maxWidth = 0; |
|
640 | qreal maxWidth = 0; | |
640 | for (int i=0; i<items.count(); i++) { |
|
641 | for (int i=0; i<items.count(); i++) { | |
641 | QGraphicsItem *item = items.at(i); |
|
642 | QGraphicsItem *item = items.at(i); | |
642 | const QRectF& rect = item->boundingRect(); |
|
643 | const QRectF& rect = item->boundingRect(); | |
643 | qreal w = rect.width(); |
|
644 | qreal w = rect.width(); | |
644 | qreal h = rect.height(); |
|
645 | qreal h = rect.height(); | |
645 | m_minWidth = qMax(m_minWidth,rect.width()); |
|
646 | m_minWidth = qMax(m_minWidth,rect.width()); | |
646 | m_minHeight = qMax(m_minHeight,h); |
|
647 | m_minHeight = qMax(m_minHeight,h); | |
647 | maxWidth = qMax(maxWidth,w); |
|
648 | maxWidth = qMax(maxWidth,w); | |
648 | item->setPos(point.x() - w,point.y()); |
|
649 | item->setPos(point.x() - w,point.y()); | |
649 | point.setY(point.y() + h); |
|
650 | point.setY(point.y() + h); | |
650 | if (point.y() + h > m_rect.topLeft().y() + m_rect.height()) { |
|
651 | if (point.y() + h > m_rect.topLeft().y() + m_rect.height()) { | |
651 | // Next item would go off rect. |
|
652 | // Next item would go off rect. | |
652 | point.setX(point.x() - maxWidth); |
|
653 | point.setX(point.x() - maxWidth); | |
653 | point.setY(m_rect.topLeft().y()); |
|
654 | point.setY(m_rect.topLeft().y()); | |
654 | if (i+1 < items.count()) { |
|
655 | if (i+1 < items.count()) { | |
655 | m_width += maxWidth; |
|
656 | m_width += maxWidth; | |
656 | maxWidth = 0; |
|
657 | maxWidth = 0; | |
657 | } |
|
658 | } | |
658 | } |
|
659 | } | |
659 | } |
|
660 | } | |
660 | m_width += maxWidth; |
|
661 | m_width += maxWidth; | |
661 | m_markers->setPos(m_rect.topLeft()); |
|
662 | m_markers->setPos(m_rect.topLeft()); | |
662 | m_height = m_minHeight; |
|
663 | m_height = m_minHeight; | |
663 |
|
664 | |||
664 | m_minOffsetX = qMin(m_rect.topLeft().x(), m_rect.topLeft().x() - m_width + m_rect.width()); |
|
665 | m_minOffsetX = qMin(m_rect.topLeft().x(), m_rect.topLeft().x() - m_width + m_rect.width()); | |
665 | m_minOffsetY = 0; |
|
666 | m_minOffsetY = 0; | |
666 | m_maxOffsetX = 0; |
|
667 | m_maxOffsetX = 0; | |
667 | m_maxOffsetY = m_height - m_rect.height(); |
|
668 | m_maxOffsetY = m_height - m_rect.height(); | |
668 | } |
|
669 | } | |
669 | break; |
|
670 | break; | |
670 | default: |
|
671 | default: | |
671 | break; |
|
672 | break; | |
672 | } |
|
673 | } | |
673 | } |
|
674 | } | |
674 |
|
675 | |||
675 | void QLegendPrivate::attachToChart() |
|
676 | void QLegendPrivate::attachToChart() | |
676 | { |
|
677 | { | |
677 | m_attachedToChart = true; |
|
678 | m_attachedToChart = true; | |
678 | q_ptr->setParent(m_chart); |
|
679 | q_ptr->setParent(m_chart); | |
679 | } |
|
680 | } | |
680 |
|
681 | |||
|
682 | int QLegendPrivate::roundness(qreal size) | |||
|
683 | { | |||
|
684 | return 100*m_diameter/int(size); | |||
|
685 | } | |||
|
686 | ||||
681 | void QLegendPrivate::handleSeriesAdded(QAbstractSeries *series, Domain *domain) |
|
687 | void QLegendPrivate::handleSeriesAdded(QAbstractSeries *series, Domain *domain) | |
682 | { |
|
688 | { | |
683 | Q_UNUSED(domain) |
|
689 | Q_UNUSED(domain) | |
684 |
|
690 | |||
685 | QList<LegendMarker*> markers = series->d_ptr->createLegendMarker(q_ptr); |
|
691 | QList<LegendMarker*> markers = series->d_ptr->createLegendMarker(q_ptr); | |
686 | foreach(LegendMarker* marker, markers) |
|
692 | foreach(LegendMarker* marker, markers) | |
687 | m_markers->addToGroup(marker); |
|
693 | m_markers->addToGroup(marker); | |
688 |
|
694 | |||
689 | if(series->type() == QAbstractSeries::SeriesTypePie) { |
|
695 | if(series->type() == QAbstractSeries::SeriesTypePie) { | |
690 | QPieSeries *pieSeries = static_cast<QPieSeries *>(series); |
|
696 | QPieSeries *pieSeries = static_cast<QPieSeries *>(series); | |
691 | QObject::connect(pieSeries, SIGNAL(added(QList<QPieSlice*>)), this, SLOT(handleUpdatePieSeries())); |
|
697 | QObject::connect(pieSeries, SIGNAL(added(QList<QPieSlice*>)), this, SLOT(handleUpdatePieSeries())); | |
692 | QObject::connect(pieSeries, SIGNAL(removed(QList<QPieSlice*>)), this, SLOT(handleUpdatePieSeries())); |
|
698 | QObject::connect(pieSeries, SIGNAL(removed(QList<QPieSlice*>)), this, SLOT(handleUpdatePieSeries())); | |
693 | } |
|
699 | } | |
694 |
|
700 | |||
695 | updateLayout(); |
|
701 | updateLayout(); | |
696 | } |
|
702 | } | |
697 |
|
703 | |||
698 | void QLegendPrivate::handleSeriesRemoved(QAbstractSeries *series) |
|
704 | void QLegendPrivate::handleSeriesRemoved(QAbstractSeries *series) | |
699 | { |
|
705 | { | |
700 | QList<QGraphicsItem *> items = m_markers->childItems(); |
|
706 | QList<QGraphicsItem *> items = m_markers->childItems(); | |
701 |
|
707 | |||
702 | foreach (QGraphicsItem *markers, items) { |
|
708 | foreach (QGraphicsItem *markers, items) { | |
703 | LegendMarker *marker = static_cast<LegendMarker*>(markers); |
|
709 | LegendMarker *marker = static_cast<LegendMarker*>(markers); | |
704 | if (marker->series() == series) { |
|
710 | if (marker->series() == series) { | |
705 | delete marker; |
|
711 | delete marker; | |
706 | } |
|
712 | } | |
707 | } |
|
713 | } | |
708 |
|
714 | |||
709 | if(series->type() == QAbstractSeries::SeriesTypePie) |
|
715 | if(series->type() == QAbstractSeries::SeriesTypePie) | |
710 | { |
|
716 | { | |
711 | QPieSeries *pieSeries = static_cast<QPieSeries *>(series); |
|
717 | QPieSeries *pieSeries = static_cast<QPieSeries *>(series); | |
712 | QObject::disconnect(pieSeries, SIGNAL(added(QList<QPieSlice*>)), this, SLOT(handleUpdatePieSeries())); |
|
718 | QObject::disconnect(pieSeries, SIGNAL(added(QList<QPieSlice*>)), this, SLOT(handleUpdatePieSeries())); | |
713 | QObject::disconnect(pieSeries, SIGNAL(removed(QList<QPieSlice*>)), this, SLOT(handleUpdatePieSeries())); |
|
719 | QObject::disconnect(pieSeries, SIGNAL(removed(QList<QPieSlice*>)), this, SLOT(handleUpdatePieSeries())); | |
714 | } |
|
720 | } | |
715 |
|
721 | |||
716 | updateLayout(); |
|
722 | updateLayout(); | |
717 | } |
|
723 | } | |
718 |
|
724 | |||
719 | void QLegendPrivate::handleSeriesUpdated(QAbstractSeries *series) |
|
725 | void QLegendPrivate::handleSeriesUpdated(QAbstractSeries *series) | |
720 | { |
|
726 | { | |
721 | // TODO: find out which markers are are added or removed. Update them |
|
727 | // TODO: find out which markers are are added or removed. Update them | |
722 | // TODO: better implementation |
|
728 | // TODO: better implementation | |
723 | handleSeriesRemoved(series); |
|
729 | handleSeriesRemoved(series); | |
724 | Domain domain; |
|
730 | Domain domain; | |
725 | handleSeriesAdded(series, &domain); |
|
731 | handleSeriesAdded(series, &domain); | |
726 | } |
|
732 | } | |
727 |
|
733 | |||
728 | void QLegendPrivate::handleUpdatePieSeries() |
|
734 | void QLegendPrivate::handleUpdatePieSeries() | |
729 | { |
|
735 | { | |
730 | //TODO: reimplement to be optimal |
|
736 | //TODO: reimplement to be optimal | |
731 | QPieSeries* series = qobject_cast<QPieSeries *> (sender()); |
|
737 | QPieSeries* series = qobject_cast<QPieSeries *> (sender()); | |
732 | Q_ASSERT(series); |
|
738 | Q_ASSERT(series); | |
733 | handleSeriesRemoved(series); |
|
739 | handleSeriesRemoved(series); | |
734 | handleSeriesAdded(series, 0); |
|
740 | handleSeriesAdded(series, 0); | |
735 | } |
|
741 | } | |
736 |
|
742 | |||
737 | #include "moc_qlegend.cpp" |
|
743 | #include "moc_qlegend.cpp" | |
738 | #include "moc_qlegend_p.cpp" |
|
744 | #include "moc_qlegend_p.cpp" | |
739 |
|
745 | |||
740 | QTCOMMERCIALCHART_END_NAMESPACE |
|
746 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,87 +1,89 | |||||
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 QLEGEND_P_H |
|
30 | #ifndef QLEGEND_P_H | |
31 | #define QLEGEND_P_H |
|
31 | #define QLEGEND_P_H | |
32 |
|
32 | |||
33 | #include "qlegend.h" |
|
33 | #include "qlegend.h" | |
34 |
|
34 | |||
35 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
35 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
36 |
|
36 | |||
37 | class QChart; |
|
37 | class QChart; | |
38 | class ChartPresenter; |
|
38 | class ChartPresenter; | |
39 | class QAbstractSeries; |
|
39 | class QAbstractSeries; | |
40 |
|
40 | |||
41 | class QLegendPrivate : public QObject |
|
41 | class QLegendPrivate : public QObject | |
42 | { |
|
42 | { | |
43 | Q_OBJECT |
|
43 | Q_OBJECT | |
44 | public: |
|
44 | public: | |
45 | QLegendPrivate(ChartPresenter *presenter, QChart *chart, QLegend *q); |
|
45 | QLegendPrivate(ChartPresenter *presenter, QChart *chart, QLegend *q); | |
46 | ~QLegendPrivate(); |
|
46 | ~QLegendPrivate(); | |
47 |
|
47 | |||
48 | void setOffset(qreal x, qreal y); |
|
48 | void setOffset(qreal x, qreal y); | |
49 | void updateLayout(); |
|
49 | void updateLayout(); | |
50 | void updateDetachedLayout(); |
|
50 | void updateDetachedLayout(); | |
51 | void attachToChart(); |
|
51 | void attachToChart(); | |
|
52 | int roundness(qreal size); | |||
52 |
|
53 | |||
53 | public Q_SLOTS: |
|
54 | public Q_SLOTS: | |
54 | void handleSeriesAdded(QAbstractSeries *series, Domain *domain); |
|
55 | void handleSeriesAdded(QAbstractSeries *series, Domain *domain); | |
55 | void handleSeriesRemoved(QAbstractSeries *series); |
|
56 | void handleSeriesRemoved(QAbstractSeries *series); | |
56 | void handleSeriesUpdated(QAbstractSeries *series); |
|
57 | void handleSeriesUpdated(QAbstractSeries *series); | |
57 | void handleUpdatePieSeries(); //TODO remove this function |
|
58 | void handleUpdatePieSeries(); //TODO remove this function | |
58 |
|
59 | |||
59 | private: |
|
60 | private: | |
60 | QLegend *q_ptr; |
|
61 | QLegend *q_ptr; | |
61 | ChartPresenter *m_presenter; |
|
62 | ChartPresenter *m_presenter; | |
62 | QChart* m_chart; |
|
63 | QChart* m_chart; | |
63 | QGraphicsItemGroup* m_markers; |
|
64 | QGraphicsItemGroup* m_markers; | |
64 | Qt::Alignment m_alignment; |
|
65 | Qt::Alignment m_alignment; | |
65 | QBrush m_brush; |
|
66 | QBrush m_brush; | |
66 | QPen m_pen; |
|
67 | QPen m_pen; | |
67 | QRectF m_rect; |
|
68 | QRectF m_rect; | |
68 | qreal m_offsetX; |
|
69 | qreal m_offsetX; | |
69 | qreal m_offsetY; |
|
70 | qreal m_offsetY; | |
70 | qreal m_minOffsetX; |
|
71 | qreal m_minOffsetX; | |
71 | qreal m_minOffsetY; |
|
72 | qreal m_minOffsetY; | |
72 | qreal m_maxOffsetX; |
|
73 | qreal m_maxOffsetX; | |
73 | qreal m_maxOffsetY; |
|
74 | qreal m_maxOffsetY; | |
74 | qreal m_minWidth; |
|
75 | qreal m_minWidth; | |
75 | qreal m_minHeight; |
|
76 | qreal m_minHeight; | |
76 | qreal m_width; |
|
77 | qreal m_width; | |
77 | qreal m_height; |
|
78 | qreal m_height; | |
|
79 | qreal m_diameter; | |||
78 | bool m_attachedToChart; |
|
80 | bool m_attachedToChart; | |
79 | bool m_backgroundVisible; |
|
81 | bool m_backgroundVisible; | |
80 |
|
82 | |||
81 | friend class QLegend; |
|
83 | friend class QLegend; | |
82 |
|
84 | |||
83 | }; |
|
85 | }; | |
84 |
|
86 | |||
85 | QTCOMMERCIALCHART_END_NAMESPACE |
|
87 | QTCOMMERCIALCHART_END_NAMESPACE | |
86 |
|
88 | |||
87 | #endif |
|
89 | #endif |
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