@@ -1,159 +1,161 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #include "chartbarcategoryaxisx_p.h" |
|
22 | 22 | #include "chartpresenter_p.h" |
|
23 | 23 | #include "qbarcategoryaxis_p.h" |
|
24 | 24 | #include <QDebug> |
|
25 | 25 | #include <qmath.h> |
|
26 | 26 | |
|
27 | 27 | static int label_padding = 5; |
|
28 | 28 | |
|
29 | 29 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
30 | 30 | |
|
31 | 31 | ChartCategoriesAxisX::ChartCategoriesAxisX(QBarCategoryAxis *axis,ChartPresenter *presenter) : ChartAxis(axis,presenter), |
|
32 | 32 | m_categoriesAxis(axis) |
|
33 | 33 | { |
|
34 | 34 | |
|
35 | 35 | } |
|
36 | 36 | |
|
37 | 37 | ChartCategoriesAxisX::~ChartCategoriesAxisX() |
|
38 | 38 | { |
|
39 | 39 | } |
|
40 | 40 | |
|
41 | 41 | QVector<qreal> ChartCategoriesAxisX::calculateLayout() const |
|
42 | 42 | { |
|
43 | 43 | int count = m_categoriesAxis->d_ptr->count(); |
|
44 | 44 | |
|
45 | 45 | Q_ASSERT(count>=1); |
|
46 | 46 | |
|
47 | 47 | QVector<qreal> points; |
|
48 | 48 | points.resize(count+2); |
|
49 | 49 | |
|
50 | 50 | const qreal delta = m_rect.width()/(count); |
|
51 | 51 | qreal offset =-m_min-0.5; |
|
52 | 52 | |
|
53 | if(delta<1) return points; | |
|
54 | ||
|
53 | 55 | if(offset<=0) { |
|
54 | 56 | offset = int(offset * m_rect.width()/(m_max - m_min))%int(delta) + delta; |
|
55 | 57 | } |
|
56 | 58 | else { |
|
57 | 59 | offset = int(offset * m_rect.width()/(m_max - m_min))%int(delta); |
|
58 | 60 | } |
|
59 | 61 | |
|
60 | 62 | points[0] = m_rect.left(); |
|
61 | 63 | points[count+1] = m_rect.right(); |
|
62 | 64 | |
|
63 | 65 | for (int i = 0; i < count; ++i) { |
|
64 | 66 | qreal x = offset + i * delta + m_rect.left(); |
|
65 | 67 | points[i+1] = x; |
|
66 | 68 | } |
|
67 | 69 | return points; |
|
68 | 70 | } |
|
69 | 71 | |
|
70 | 72 | QStringList ChartCategoriesAxisX::createCategoryLabels(const QVector<qreal>& layout) const |
|
71 | 73 | { |
|
72 | 74 | QStringList result; |
|
73 | 75 | qreal d = (m_max - m_min)/m_rect.width(); |
|
74 | 76 | for (int i = 0;i < layout.count()-1; ++i) { |
|
75 | 77 | qreal x = qFloor((((layout[i+1] + layout[i])/2-m_rect.left())*d + m_min+0.5)); |
|
76 | 78 | if ((x < m_categoriesAxis->categories().count()) && (x >= 0)) { |
|
77 | 79 | result << m_categoriesAxis->categories().at(x); |
|
78 | 80 | } |
|
79 | 81 | else { |
|
80 | 82 | // No label for x coordinate |
|
81 | 83 | result << ""; |
|
82 | 84 | } |
|
83 | 85 | } |
|
84 | 86 | result << ""; |
|
85 | 87 | return result; |
|
86 | 88 | } |
|
87 | 89 | |
|
88 | 90 | |
|
89 | 91 | void ChartCategoriesAxisX::updateGeometry() |
|
90 | 92 | { |
|
91 | 93 | const QVector<qreal>& layout = ChartAxis::layout(); |
|
92 | 94 | |
|
93 | 95 | m_minWidth = 0; |
|
94 | 96 | m_minHeight = 0; |
|
95 | 97 | |
|
96 | 98 | if(layout.isEmpty()) return; |
|
97 | 99 | |
|
98 | 100 | QStringList ticksList = createCategoryLabels(layout); |
|
99 | 101 | |
|
100 | 102 | QList<QGraphicsItem *> lines = m_grid->childItems(); |
|
101 | 103 | QList<QGraphicsItem *> labels = m_labels->childItems(); |
|
102 | 104 | QList<QGraphicsItem *> shades = m_shades->childItems(); |
|
103 | 105 | QList<QGraphicsItem *> axis = m_arrow->childItems(); |
|
104 | 106 | |
|
105 | 107 | Q_ASSERT(labels.size() == ticksList.size()); |
|
106 | 108 | Q_ASSERT(layout.size() == ticksList.size()); |
|
107 | 109 | |
|
108 | 110 | const qreal delta = m_rect.width()/(m_categoriesAxis->d_ptr->count()); |
|
109 | 111 | |
|
110 | 112 | QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(axis.at(0)); |
|
111 | 113 | lineItem->setLine(m_rect.left(), m_rect.bottom(), m_rect.right(), m_rect.bottom()); |
|
112 | 114 | |
|
113 | 115 | qreal width = m_rect.left(); |
|
114 | 116 | for (int i = 0; i < layout.size(); ++i) { |
|
115 | 117 | QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(lines.at(i)); |
|
116 | 118 | lineItem->setLine(layout[i], m_rect.top(), layout[i], m_rect.bottom()); |
|
117 | 119 | QGraphicsSimpleTextItem *labelItem = static_cast<QGraphicsSimpleTextItem*>(labels.at(i)); |
|
118 | 120 | labelItem->setText(ticksList.at(i)); |
|
119 | 121 | const QRectF& rect = labelItem->boundingRect(); |
|
120 | 122 | QPointF center = rect.center(); |
|
121 | 123 | labelItem->setTransformOriginPoint(center.x(), center.y()); |
|
122 | 124 | |
|
123 | 125 | if(i==0){ |
|
124 | 126 | labelItem->setPos(layout[i+1] - (delta)/2 - center.x(), m_rect.bottom() + label_padding); |
|
125 | 127 | }else{ |
|
126 | 128 | labelItem->setPos(layout[i] + (delta)/2 - center.x(), m_rect.bottom() + label_padding); |
|
127 | 129 | } |
|
128 | 130 | |
|
129 | 131 | if(labelItem->pos().x()<=width || labelItem->pos().x()+ rect.width()>m_rect.right()) { |
|
130 | 132 | labelItem->setVisible(false); |
|
131 | 133 | } |
|
132 | 134 | else { |
|
133 | 135 | labelItem->setVisible(true); |
|
134 | 136 | width=rect.width()+labelItem->pos().x(); |
|
135 | 137 | } |
|
136 | 138 | |
|
137 | 139 | m_minWidth+=rect.width(); |
|
138 | 140 | m_minHeight=qMax(rect.height()+label_padding,m_minHeight); |
|
139 | 141 | |
|
140 | 142 | if ((i+1)%2 && i>1) { |
|
141 | 143 | QGraphicsRectItem *rectItem = static_cast<QGraphicsRectItem*>(shades.at(i/2-1)); |
|
142 | 144 | rectItem->setRect(layout[i-1],m_rect.top(),layout[i]-layout[i-1],m_rect.height()); |
|
143 | 145 | } |
|
144 | 146 | lineItem = static_cast<QGraphicsLineItem*>(axis.at(i+1)); |
|
145 | 147 | lineItem->setLine(layout[i],m_rect.bottom(),layout[i],m_rect.bottom()+5); |
|
146 | 148 | } |
|
147 | 149 | } |
|
148 | 150 | |
|
149 | 151 | void ChartCategoriesAxisX::handleAxisUpdated() |
|
150 | 152 | { |
|
151 | 153 | if(m_categoriesAxis->categories()!=m_categories) |
|
152 | 154 | { |
|
153 | 155 | m_categories=m_categoriesAxis->categories(); |
|
154 | 156 | if(ChartAxis::layout().count()==m_categoriesAxis->d_ptr->count()+2) updateGeometry(); |
|
155 | 157 | } |
|
156 | 158 | ChartAxis::handleAxisUpdated(); |
|
157 | 159 | } |
|
158 | 160 | |
|
159 | 161 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,160 +1,163 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #include "chartbarcategoryaxisy_p.h" |
|
22 | 22 | #include "chartpresenter_p.h" |
|
23 | 23 | #include "qbarcategoryaxis_p.h" |
|
24 | 24 | #include <qmath.h> |
|
25 | #include <QDebug> | |
|
25 | 26 | |
|
26 | 27 | static int label_padding = 5; |
|
27 | 28 | |
|
28 | 29 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
29 | 30 | |
|
30 | 31 | ChartCategoriesAxisY::ChartCategoriesAxisY(QBarCategoryAxis *axis,ChartPresenter *presenter) : ChartAxis(axis,presenter), |
|
31 | 32 | m_categoriesAxis(axis) |
|
32 | 33 | { |
|
33 | 34 | } |
|
34 | 35 | |
|
35 | 36 | ChartCategoriesAxisY::~ChartCategoriesAxisY() |
|
36 | 37 | { |
|
37 | 38 | } |
|
38 | 39 | |
|
39 | 40 | QVector<qreal> ChartCategoriesAxisY::calculateLayout() const |
|
40 | 41 | { |
|
41 | 42 | int count = m_categoriesAxis->d_ptr->count(); |
|
42 | 43 | |
|
43 | 44 | Q_ASSERT(count>=1); |
|
44 | 45 | |
|
45 | 46 | QVector<qreal> points; |
|
46 | 47 | points.resize(count+2); |
|
47 | 48 | |
|
48 | 49 | const qreal delta = m_rect.height()/(count); |
|
49 | 50 | qreal offset = - m_min - 0.5; |
|
50 | 51 | |
|
52 | if(delta<1) return points; | |
|
53 | ||
|
51 | 54 | if(offset<=0) { |
|
52 | 55 | offset = int(offset * m_rect.height()/(m_max - m_min))%int(delta) + delta; |
|
53 | 56 | } |
|
54 | 57 | else { |
|
55 | 58 | offset = int(offset * m_rect.height()/(m_max - m_min))%int(delta); |
|
56 | 59 | } |
|
57 | 60 | |
|
58 | 61 | points[0] = m_rect.bottom(); |
|
59 | 62 | points[count+1] = m_rect.top(); |
|
60 | 63 | |
|
61 | 64 | for (int i = 0; i < count; ++i) { |
|
62 | 65 | int y = m_rect.bottom() - i * delta - offset; |
|
63 | 66 | points[i+1] = y; |
|
64 | 67 | } |
|
65 | 68 | return points; |
|
66 | 69 | } |
|
67 | 70 | |
|
68 | 71 | QStringList ChartCategoriesAxisY::createCategoryLabels(const QVector<qreal>& layout) const |
|
69 | 72 | { |
|
70 | 73 | QStringList result; |
|
71 | 74 | qreal d = (m_max - m_min)/m_rect.height(); |
|
72 | 75 | for (int i = 0;i < layout.count()-1; ++i) { |
|
73 | 76 | qreal x = qFloor(((m_rect.height()- (layout[i+1] + layout[i])/2 + m_rect.top())*d + m_min+0.5)); |
|
74 | 77 | if ((x < m_categoriesAxis->categories().count()) && (x >= 0)) { |
|
75 | 78 | result << m_categoriesAxis->categories().at(x); |
|
76 | 79 | } |
|
77 | 80 | else { |
|
78 | 81 | // No label for x coordinate |
|
79 | 82 | result << ""; |
|
80 | 83 | } |
|
81 | 84 | } |
|
82 | 85 | result << ""; |
|
83 | 86 | return result; |
|
84 | 87 | } |
|
85 | 88 | |
|
86 | 89 | void ChartCategoriesAxisY::updateGeometry() |
|
87 | 90 | { |
|
88 | 91 | const QVector<qreal>& layout = ChartAxis::layout(); |
|
89 | 92 | |
|
90 | 93 | m_minWidth = 0; |
|
91 | 94 | m_minHeight = 0; |
|
92 | 95 | |
|
93 | 96 | if(layout.isEmpty()) return; |
|
94 | 97 | |
|
95 | 98 | QStringList ticksList = createCategoryLabels(layout); |
|
96 | 99 | |
|
97 | 100 | QList<QGraphicsItem *> lines = m_grid->childItems(); |
|
98 | 101 | QList<QGraphicsItem *> labels = m_labels->childItems(); |
|
99 | 102 | QList<QGraphicsItem *> shades = m_shades->childItems(); |
|
100 | 103 | QList<QGraphicsItem *> axis = m_arrow->childItems(); |
|
101 | 104 | |
|
102 | 105 | Q_ASSERT(labels.size() == ticksList.size()); |
|
103 | 106 | Q_ASSERT(layout.size() == ticksList.size()); |
|
104 | 107 | |
|
105 | 108 | const qreal delta = m_rect.height()/(m_categoriesAxis->d_ptr->count()); |
|
106 | 109 | |
|
107 | 110 | QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(axis.at(0)); |
|
108 | 111 | lineItem->setLine(m_rect.left() , m_rect.top(), m_rect.left(), m_rect.bottom()); |
|
109 | 112 | |
|
110 | 113 | qreal height = m_rect.bottom(); |
|
111 | 114 | for (int i = 0; i < layout.size(); ++i) { |
|
112 | 115 | QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(lines.at(i)); |
|
113 | 116 | lineItem->setLine(m_rect.left() , layout[i], m_rect.right(), layout[i]); |
|
114 | 117 | QGraphicsSimpleTextItem *labelItem = static_cast<QGraphicsSimpleTextItem*>(labels.at(i)); |
|
115 | 118 | labelItem->setText(ticksList.at(i)); |
|
116 | 119 | const QRectF& rect = labelItem->boundingRect(); |
|
117 | 120 | QPointF center = rect.center(); |
|
118 | 121 | labelItem->setTransformOriginPoint(center.x(), center.y()); |
|
119 | 122 | |
|
120 | 123 | if(i==0) { |
|
121 | 124 | labelItem->setPos(m_rect.left() - rect.width() - label_padding ,layout[i+1] + (delta)/2 - center.y()); |
|
122 | 125 | } |
|
123 | 126 | else { |
|
124 | 127 | labelItem->setPos(m_rect.left() - rect.width() - label_padding ,layout[i] - (delta)/2 - center.y()); |
|
125 | 128 | } |
|
126 | 129 | |
|
127 | 130 | if(labelItem->pos().y()+rect.height()>= height || labelItem->pos().y() < m_rect.top()) { |
|
128 | 131 | labelItem->setVisible(false); |
|
129 | 132 | } |
|
130 | 133 | else { |
|
131 | 134 | labelItem->setVisible(true); |
|
132 | 135 | height=labelItem->pos().y(); |
|
133 | 136 | } |
|
134 | 137 | |
|
135 |
m_minWidth |
|
|
136 |
m_minHeight= |
|
|
138 | m_minWidth=qMax(rect.width()+label_padding,m_minWidth); | |
|
139 | m_minHeight+=rect.height(); | |
|
137 | 140 | |
|
138 | 141 | if ((i+1)%2 && i>1) { |
|
139 | 142 | QGraphicsRectItem *rectItem = static_cast<QGraphicsRectItem*>(shades.at(i/2-1)); |
|
140 | 143 | rectItem->setRect(m_rect.left(),layout[i],m_rect.width(),layout[i-1]-layout[i]); |
|
141 | 144 | } |
|
142 | 145 | lineItem = static_cast<QGraphicsLineItem*>(axis.at(i+1)); |
|
143 | 146 | lineItem->setLine(m_rect.left()-5,layout[i],m_rect.left(),layout[i]); |
|
144 | 147 | } |
|
145 | 148 | } |
|
146 | 149 | |
|
147 | 150 | void ChartCategoriesAxisY::handleAxisUpdated() |
|
148 | 151 | { |
|
149 | 152 | |
|
150 | 153 | if(m_categoriesAxis->categories()!=m_categories) |
|
151 | 154 | { |
|
152 | 155 | m_categories=m_categoriesAxis->categories(); |
|
153 | 156 | if(ChartAxis::layout().count()==m_categoriesAxis->d_ptr->count()+2) { |
|
154 | 157 | updateGeometry(); |
|
155 | 158 | } |
|
156 | 159 | } |
|
157 | 160 | ChartAxis::handleAxisUpdated(); |
|
158 | 161 | } |
|
159 | 162 | |
|
160 | 163 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,130 +1,130 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #include "chartcategoryaxisx_p.h" |
|
22 | 22 | #include "qcategoryaxis.h" |
|
23 | 23 | #include "qabstractaxis.h" |
|
24 | 24 | #include "chartpresenter_p.h" |
|
25 | 25 | #include <QGraphicsLayout> |
|
26 | 26 | #include <QFontMetrics> |
|
27 | 27 | #include <qmath.h> |
|
28 | 28 | |
|
29 | 29 | static int label_padding = 5; |
|
30 | 30 | |
|
31 | 31 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
32 | 32 | |
|
33 | 33 | ChartCategoryAxisX::ChartCategoryAxisX(QAbstractAxis *axis,ChartPresenter *presenter) : ChartAxis(axis,presenter) |
|
34 | 34 | { |
|
35 | 35 | } |
|
36 | 36 | |
|
37 | 37 | ChartCategoryAxisX::~ChartCategoryAxisX() |
|
38 | 38 | { |
|
39 | 39 | } |
|
40 | 40 | |
|
41 | 41 | QVector<qreal> ChartCategoryAxisX::calculateLayout() const |
|
42 | 42 | { |
|
43 | 43 | QCategoryAxis *axis = qobject_cast<QCategoryAxis *>(m_chartAxis); |
|
44 | 44 | int tickCount = axis->categoriesLabels().count() + 1; |
|
45 | 45 | QVector<qreal> points; |
|
46 | 46 | |
|
47 | 47 | if (tickCount < 2) |
|
48 | 48 | return points; |
|
49 | 49 | |
|
50 | 50 | points.resize(tickCount); |
|
51 | 51 | |
|
52 | 52 | qreal scale = m_rect.width() / axis->max(); |
|
53 | 53 | for (int i = 0; i < tickCount; ++i) |
|
54 | 54 | if (i < tickCount - 1) { |
|
55 | 55 | int x = axis->categoryStart(axis->categoriesLabels().at(i)) * scale + m_rect.left(); |
|
56 | 56 | points[i] = x; |
|
57 | 57 | } else { |
|
58 | 58 | int x = axis->categoryEnd(axis->categoriesLabels().at(i - 1)) * scale + m_rect.left(); |
|
59 | 59 | points[i] = x; |
|
60 | 60 | } |
|
61 | 61 | |
|
62 | 62 | return points; |
|
63 | 63 | } |
|
64 | 64 | |
|
65 | 65 | void ChartCategoryAxisX::updateGeometry() |
|
66 | 66 | { |
|
67 | 67 | const QVector<qreal>& layout = ChartAxis::layout(); |
|
68 | 68 | |
|
69 | 69 | m_minWidth = 0; |
|
70 | 70 | m_minHeight = 0; |
|
71 | 71 | |
|
72 | 72 | if(layout.isEmpty()) return; |
|
73 | 73 | |
|
74 | 74 | QCategoryAxis *intervalAxis = qobject_cast<QCategoryAxis *>(m_chartAxis); |
|
75 | 75 | |
|
76 | 76 | QStringList ticksList = intervalAxis->categoriesLabels(); |
|
77 | 77 | |
|
78 | 78 | // createNumberLabels(ticksList,m_min,m_max,layout.size()); |
|
79 | 79 | |
|
80 | 80 | QList<QGraphicsItem *> lines = m_grid->childItems(); |
|
81 | 81 | QList<QGraphicsItem *> labels = m_labels->childItems(); |
|
82 | 82 | QList<QGraphicsItem *> shades = m_shades->childItems(); |
|
83 | 83 | QList<QGraphicsItem *> axis = m_arrow->childItems(); |
|
84 | 84 | |
|
85 | 85 | // Q_ASSERT(labels.size() == ticksList.size()); |
|
86 | 86 | // Q_ASSERT(layout.size() == ticksList.size()); |
|
87 | 87 | |
|
88 | 88 | QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(axis.at(0)); |
|
89 | 89 | lineItem->setLine(m_rect.left(), m_rect.bottom(), m_rect.right(), m_rect.bottom()); |
|
90 | 90 | |
|
91 | 91 | // qreal width = 0; |
|
92 | 92 | for (int i = 0; i < layout.size(); ++i) { |
|
93 | 93 | QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(lines.at(i)); |
|
94 | 94 | lineItem->setLine(layout[i], m_rect.top(), layout[i], m_rect.bottom()); |
|
95 | 95 | QGraphicsSimpleTextItem *labelItem = static_cast<QGraphicsSimpleTextItem*>(labels.at(i)); |
|
96 | 96 | if (i < ticksList.count()) { |
|
97 | 97 | labelItem->setText(ticksList.at(i)); |
|
98 | 98 | } |
|
99 | 99 | const QRectF& rect = labelItem->boundingRect(); |
|
100 | 100 | QPointF center = rect.center(); |
|
101 | 101 | labelItem->setTransformOriginPoint(center.x(), center.y()); |
|
102 | 102 | if (i < ticksList.count()) |
|
103 | 103 | labelItem->setPos(layout[i] + (layout[i + 1] - layout[i]) / 2 - center.x(), m_rect.bottom() + label_padding); |
|
104 | 104 | else |
|
105 | 105 | labelItem->setPos(layout[i] - center.x(), m_rect.bottom() + label_padding); |
|
106 | 106 | |
|
107 | 107 | if(labelItem->pos().x() > m_rect.width() + m_rect.left() - rect.width() / 2){ |
|
108 | 108 | labelItem->setVisible(false); |
|
109 | 109 | lineItem->setVisible(false); |
|
110 | 110 | } |
|
111 | 111 | |
|
112 | 112 | m_minWidth += rect.width(); |
|
113 | m_minHeight = qMax(rect.height(), m_minHeight); | |
|
113 | m_minHeight = qMax(rect.height()+ label_padding, m_minHeight); | |
|
114 | 114 | |
|
115 | 115 | if ((i + 1) % 2 && i > 1) { |
|
116 | 116 | QGraphicsRectItem *rectItem = static_cast<QGraphicsRectItem*>(shades.at(i / 2 - 1)); |
|
117 | 117 | rectItem->setRect(layout[i - 1],m_rect.top(),layout[i]-layout[i - 1],m_rect.height()); |
|
118 | 118 | } |
|
119 | 119 | lineItem = static_cast<QGraphicsLineItem*>(axis.at(i+1)); |
|
120 | 120 | lineItem->setLine(layout[i],m_rect.bottom(),layout[i], m_rect.bottom() + 5); |
|
121 | 121 | } |
|
122 | 122 | } |
|
123 | 123 | |
|
124 | 124 | void ChartCategoryAxisX::handleAxisUpdated() |
|
125 | 125 | { |
|
126 | 126 | updateGeometry(); |
|
127 | 127 | ChartAxis::handleAxisUpdated(); |
|
128 | 128 | } |
|
129 | 129 | |
|
130 | 130 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,137 +1,138 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #include "chartcategoryaxisy_p.h" |
|
22 | 22 | #include "qcategoryaxis.h" |
|
23 | 23 | #include "qabstractaxis.h" |
|
24 | 24 | #include "chartpresenter_p.h" |
|
25 | 25 | #include <QGraphicsLayout> |
|
26 | 26 | #include <QFontMetrics> |
|
27 | 27 | #include <qmath.h> |
|
28 | 28 | |
|
29 | ||
|
30 | 29 | static int label_padding = 5; |
|
31 | 30 | |
|
32 | 31 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
33 | 32 | |
|
34 | 33 | ChartCategoryAxisY::ChartCategoryAxisY(QAbstractAxis *axis,ChartPresenter *presenter) : ChartAxis(axis,presenter) |
|
35 | 34 | { |
|
36 | 35 | } |
|
37 | 36 | |
|
38 | 37 | ChartCategoryAxisY::~ChartCategoryAxisY() |
|
39 | 38 | { |
|
40 | 39 | } |
|
41 | 40 | |
|
42 | 41 | QVector<qreal> ChartCategoryAxisY::calculateLayout() const |
|
43 | 42 | { |
|
44 | 43 | QCategoryAxis *axis = qobject_cast<QCategoryAxis *>(m_chartAxis); |
|
45 | 44 | int tickCount = axis->categoriesLabels().count() + 1; |
|
46 | 45 | QVector<qreal> points; |
|
47 | 46 | |
|
48 | 47 | if (tickCount < 2) |
|
49 | 48 | return points; |
|
50 | 49 | |
|
51 | 50 | points.resize(tickCount); |
|
52 | 51 | |
|
53 | 52 | qreal scale = m_rect.height() / axis->max(); |
|
54 | 53 | for (int i = 0; i < tickCount; ++i) |
|
55 | 54 | if (i < tickCount - 1) { |
|
56 | 55 | int y = -axis->categoryStart(axis->categoriesLabels().at(i)) * scale + m_rect.bottom(); |
|
57 | 56 | points[i] = y; |
|
58 | 57 | } else { |
|
59 | 58 | int y = -axis->categoryEnd(axis->categoriesLabels().at(i - 1)) * scale + m_rect.bottom(); |
|
60 | 59 | points[i] = y; |
|
61 | 60 | } |
|
62 | 61 | |
|
63 | 62 | return points; |
|
64 | 63 | } |
|
65 | 64 | |
|
66 | 65 | void ChartCategoryAxisY::updateGeometry() |
|
67 | 66 | { |
|
68 | 67 | const QVector<qreal> &layout = ChartAxis::layout(); |
|
69 | 68 | m_minWidth = 0; |
|
70 | 69 | m_minHeight = 0; |
|
71 | 70 | |
|
72 |
if(layout.isEmpty()) |
|
|
71 | if(layout.isEmpty()) { | |
|
72 | return; | |
|
73 | } | |
|
73 | 74 | |
|
74 | 75 | QCategoryAxis *intervalAxis = qobject_cast<QCategoryAxis *>(m_chartAxis); |
|
75 | 76 | |
|
76 | 77 | QStringList ticksList = intervalAxis->categoriesLabels(); |
|
77 | 78 | |
|
78 | 79 | QList<QGraphicsItem *> lines = m_grid->childItems(); |
|
79 | 80 | QList<QGraphicsItem *> labels = m_labels->childItems(); |
|
80 | 81 | QList<QGraphicsItem *> shades = m_shades->childItems(); |
|
81 | 82 | QList<QGraphicsItem *> axis = m_arrow->childItems(); |
|
82 | 83 | |
|
83 | 84 | // Q_ASSERT(labels.size() == ticksList.size()); |
|
84 | 85 | // Q_ASSERT(layout.size() == ticksList.size()); |
|
85 | 86 | |
|
86 | 87 | qreal height = 2*m_rect.bottom(); |
|
87 | 88 | |
|
88 | 89 | QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(axis.at(0)); |
|
89 | 90 | lineItem->setLine(m_rect.left() , m_rect.top(), m_rect.left(), m_rect.bottom()); |
|
90 | 91 | |
|
91 | 92 | for (int i = 0; i < layout.size(); ++i) { |
|
92 | 93 | QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(lines.at(i)); |
|
93 | 94 | lineItem->setLine(m_rect.left() , layout[i], m_rect.right(), layout[i]); |
|
94 | 95 | QGraphicsSimpleTextItem *labelItem = static_cast<QGraphicsSimpleTextItem*>(labels.at(i)); |
|
95 | 96 | |
|
96 | 97 | if (i < ticksList.count()) { |
|
97 | 98 | labelItem->setText(ticksList.at(i)); |
|
98 | 99 | } |
|
99 | 100 | const QRectF& rect = labelItem->boundingRect(); |
|
100 | 101 | |
|
101 | 102 | QPointF center = rect.center(); |
|
102 | 103 | labelItem->setTransformOriginPoint(center.x(), center.y()); |
|
103 | 104 | |
|
104 | 105 | if (i < ticksList.count()) |
|
105 | 106 | labelItem->setPos(m_rect.left() - rect.width() - label_padding , layout[i] + (layout[i + 1] - layout[i]) / 2 - center.y()); |
|
106 | 107 | else |
|
107 | 108 | labelItem->setPos(m_rect.left() - rect.width() - label_padding , layout[i]-center.y()); |
|
108 | 109 | |
|
109 | 110 | if(labelItem->pos().y()+rect.height()>height) { |
|
110 | 111 | labelItem->setVisible(false); |
|
111 | 112 | lineItem->setVisible(false); |
|
112 | 113 | } |
|
113 | 114 | else { |
|
114 | 115 | labelItem->setVisible(true); |
|
115 | 116 | lineItem->setVisible(true); |
|
116 | 117 | height=labelItem->pos().y(); |
|
117 | 118 | } |
|
118 | 119 | |
|
119 | 120 | m_minWidth=qMax(rect.width()+label_padding,m_minWidth); |
|
120 | 121 | m_minHeight+=rect.height(); |
|
121 | 122 | |
|
122 | 123 | if ((i+1)%2 && i>1) { |
|
123 | 124 | QGraphicsRectItem *rectItem = static_cast<QGraphicsRectItem*>(shades.at(i/2-1)); |
|
124 | 125 | rectItem->setRect(m_rect.left(),layout[i],m_rect.width(),layout[i-1]-layout[i]); |
|
125 | 126 | } |
|
126 | 127 | lineItem = static_cast<QGraphicsLineItem*>(axis.at(i+1)); |
|
127 | 128 | lineItem->setLine(m_rect.left()-5,layout[i],m_rect.left(),layout[i]); |
|
128 | 129 | } |
|
129 | 130 | } |
|
130 | 131 | |
|
131 | 132 | void ChartCategoryAxisY::handleAxisUpdated() |
|
132 | 133 | { |
|
133 | 134 | updateGeometry(); |
|
134 | 135 | ChartAxis::handleAxisUpdated(); |
|
135 | 136 | } |
|
136 | 137 | |
|
137 | 138 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,370 +1,371 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #include "chartaxis_p.h" |
|
22 | 22 | #include "qabstractaxis.h" |
|
23 | 23 | #include "qabstractaxis_p.h" |
|
24 | 24 | #include "chartpresenter_p.h" |
|
25 | 25 | #include "domain_p.h" |
|
26 | 26 | #include <qmath.h> |
|
27 | 27 | #include <QDateTime> |
|
28 | 28 | |
|
29 | 29 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
30 | 30 | |
|
31 | 31 | ChartAxis::ChartAxis(QAbstractAxis *axis,ChartPresenter *presenter) : ChartElement(presenter), |
|
32 | 32 | m_chartAxis(axis), |
|
33 | 33 | m_labelsAngle(0), |
|
34 | 34 | m_grid(new QGraphicsItemGroup(presenter->rootItem())), |
|
35 | 35 | m_shades(new QGraphicsItemGroup(presenter->rootItem())), |
|
36 | 36 | m_labels(new QGraphicsItemGroup(presenter->rootItem())), |
|
37 | 37 | m_arrow(new QGraphicsItemGroup(presenter->rootItem())), |
|
38 | 38 | m_min(0), |
|
39 | 39 | m_max(0), |
|
40 | 40 | m_animation(0), |
|
41 | 41 | m_minWidth(0), |
|
42 | 42 | m_minHeight(0) |
|
43 | 43 | { |
|
44 | 44 | //initial initialization |
|
45 | 45 | m_arrow->setZValue(ChartPresenter::AxisZValue); |
|
46 | 46 | m_arrow->setHandlesChildEvents(false); |
|
47 | 47 | m_labels->setZValue(ChartPresenter::AxisZValue); |
|
48 | 48 | m_shades->setZValue(ChartPresenter::ShadesZValue); |
|
49 | 49 | m_grid->setZValue(ChartPresenter::GridZValue); |
|
50 | 50 | |
|
51 | 51 | QObject::connect(m_chartAxis->d_ptr.data(),SIGNAL(updated()),this,SLOT(handleAxisUpdated())); |
|
52 | 52 | |
|
53 | 53 | QGraphicsSimpleTextItem item; |
|
54 | 54 | m_font = item.font(); |
|
55 | ||
|
55 | 56 | } |
|
56 | 57 | |
|
57 | 58 | ChartAxis::~ChartAxis() |
|
58 | 59 | { |
|
59 | 60 | } |
|
60 | 61 | |
|
61 | 62 | void ChartAxis::setAnimation(AxisAnimation* animation) |
|
62 | 63 | { |
|
63 | 64 | m_animation=animation; |
|
64 | 65 | } |
|
65 | 66 | |
|
66 | 67 | void ChartAxis::setLayout(QVector<qreal> &layout) |
|
67 | 68 | { |
|
68 | 69 | m_layoutVector=layout; |
|
69 | 70 | } |
|
70 | 71 | |
|
71 | 72 | void ChartAxis::createItems(int count) |
|
72 | 73 | { |
|
73 | 74 | if (m_arrow->children().size() == 0) |
|
74 | 75 | m_arrow->addToGroup(new AxisItem(this,presenter()->rootItem())); |
|
75 | 76 | for (int i = 0; i < count; ++i) { |
|
76 | 77 | m_grid->addToGroup(new QGraphicsLineItem(presenter()->rootItem())); |
|
77 | 78 | m_labels->addToGroup(new QGraphicsSimpleTextItem(presenter()->rootItem())); |
|
78 | 79 | m_arrow->addToGroup(new QGraphicsLineItem(presenter()->rootItem())); |
|
79 | 80 | if ((m_grid->childItems().size())%2 && m_grid->childItems().size()>2) m_shades->addToGroup(new QGraphicsRectItem(presenter()->rootItem())); |
|
80 | 81 | } |
|
81 | 82 | } |
|
82 | 83 | |
|
83 | 84 | void ChartAxis::deleteItems(int count) |
|
84 | 85 | { |
|
85 | 86 | QList<QGraphicsItem *> lines = m_grid->childItems(); |
|
86 | 87 | QList<QGraphicsItem *> labels = m_labels->childItems(); |
|
87 | 88 | QList<QGraphicsItem *> shades = m_shades->childItems(); |
|
88 | 89 | QList<QGraphicsItem *> axis = m_arrow->childItems(); |
|
89 | 90 | |
|
90 | 91 | for (int i = 0; i < count; ++i) { |
|
91 | 92 | if (lines.size()%2 && lines.size() > 1) delete(shades.takeLast()); |
|
92 | 93 | delete(lines.takeLast()); |
|
93 | 94 | delete(labels.takeLast()); |
|
94 | 95 | delete(axis.takeLast()); |
|
95 | 96 | } |
|
96 | 97 | } |
|
97 | 98 | |
|
98 | 99 | void ChartAxis::updateLayout(QVector<qreal> &layout) |
|
99 | 100 | { |
|
100 | 101 | int diff = m_layoutVector.size() - layout.size(); |
|
101 | 102 | |
|
102 | 103 | if (diff>0) { |
|
103 | 104 | deleteItems(diff); |
|
104 | 105 | } |
|
105 | 106 | else if (diff<0) { |
|
106 | 107 | createItems(-diff); |
|
107 | 108 | } |
|
108 | 109 | |
|
109 | 110 | if(diff<0) handleAxisUpdated(); |
|
110 | 111 | |
|
111 | 112 | if (m_animation) { |
|
112 | 113 | switch(presenter()->state()){ |
|
113 | 114 | case ChartPresenter::ZoomInState: |
|
114 | 115 | m_animation->setAnimationType(AxisAnimation::ZoomInAnimation); |
|
115 | 116 | m_animation->setAnimationPoint(presenter()->statePoint()); |
|
116 | 117 | break; |
|
117 | 118 | case ChartPresenter::ZoomOutState: |
|
118 | 119 | m_animation->setAnimationType(AxisAnimation::ZoomOutAnimation); |
|
119 | 120 | m_animation->setAnimationPoint(presenter()->statePoint()); |
|
120 | 121 | break; |
|
121 | 122 | case ChartPresenter::ScrollUpState: |
|
122 | 123 | case ChartPresenter::ScrollLeftState: |
|
123 | 124 | m_animation->setAnimationType(AxisAnimation::MoveBackwordAnimation); |
|
124 | 125 | break; |
|
125 | 126 | case ChartPresenter::ScrollDownState: |
|
126 | 127 | case ChartPresenter::ScrollRightState: |
|
127 | 128 | m_animation->setAnimationType(AxisAnimation::MoveForwardAnimation); |
|
128 | 129 | break; |
|
129 | 130 | case ChartPresenter::ShowState: |
|
130 | 131 | m_animation->setAnimationType(AxisAnimation::DefaultAnimation); |
|
131 | 132 | break; |
|
132 | 133 | } |
|
133 | 134 | m_animation->setValues(m_layoutVector,layout); |
|
134 | 135 | presenter()->startAnimation(m_animation); |
|
135 | 136 | } |
|
136 | 137 | else { |
|
137 | 138 | setLayout(layout); |
|
138 | 139 | updateGeometry(); |
|
139 | 140 | } |
|
140 | 141 | } |
|
141 | 142 | |
|
142 | 143 | void ChartAxis::setArrowOpacity(qreal opacity) |
|
143 | 144 | { |
|
144 | 145 | m_arrow->setOpacity(opacity); |
|
145 | 146 | } |
|
146 | 147 | |
|
147 | 148 | qreal ChartAxis::arrowOpacity() const |
|
148 | 149 | { |
|
149 | 150 | return m_arrow->opacity(); |
|
150 | 151 | } |
|
151 | 152 | |
|
152 | 153 | void ChartAxis::setArrowVisibility(bool visible) |
|
153 | 154 | { |
|
154 | 155 | m_arrow->setOpacity(visible); |
|
155 | 156 | } |
|
156 | 157 | |
|
157 | 158 | void ChartAxis::setGridOpacity(qreal opacity) |
|
158 | 159 | { |
|
159 | 160 | m_grid->setOpacity(opacity); |
|
160 | 161 | } |
|
161 | 162 | |
|
162 | 163 | qreal ChartAxis::gridOpacity() const |
|
163 | 164 | { |
|
164 | 165 | return m_grid->opacity(); |
|
165 | 166 | } |
|
166 | 167 | |
|
167 | 168 | void ChartAxis::setGridVisibility(bool visible) |
|
168 | 169 | { |
|
169 | 170 | m_grid->setOpacity(visible); |
|
170 | 171 | } |
|
171 | 172 | |
|
172 | 173 | void ChartAxis::setLabelsOpacity(qreal opacity) |
|
173 | 174 | { |
|
174 | 175 | m_labels->setOpacity(opacity); |
|
175 | 176 | } |
|
176 | 177 | |
|
177 | 178 | qreal ChartAxis::labelsOpacity() const |
|
178 | 179 | { |
|
179 | 180 | return m_labels->opacity(); |
|
180 | 181 | } |
|
181 | 182 | |
|
182 | 183 | void ChartAxis::setLabelsVisibility(bool visible) |
|
183 | 184 | { |
|
184 | 185 | m_labels->setOpacity(visible); |
|
185 | 186 | } |
|
186 | 187 | |
|
187 | 188 | void ChartAxis::setShadesOpacity(qreal opacity) |
|
188 | 189 | { |
|
189 | 190 | m_shades->setOpacity(opacity); |
|
190 | 191 | } |
|
191 | 192 | |
|
192 | 193 | qreal ChartAxis::shadesOpacity() const |
|
193 | 194 | { |
|
194 | 195 | return m_shades->opacity(); |
|
195 | 196 | } |
|
196 | 197 | |
|
197 | 198 | void ChartAxis::setShadesVisibility(bool visible) |
|
198 | 199 | { |
|
199 | 200 | m_shades->setVisible(visible); |
|
200 | 201 | } |
|
201 | 202 | |
|
202 | 203 | void ChartAxis::setLabelsAngle(int angle) |
|
203 | 204 | { |
|
204 | 205 | foreach(QGraphicsItem* item , m_labels->childItems()) { |
|
205 | 206 | item->setRotation(angle); |
|
206 | 207 | } |
|
207 | 208 | |
|
208 | 209 | m_labelsAngle=angle; |
|
209 | 210 | } |
|
210 | 211 | |
|
211 | 212 | void ChartAxis::setLabelsPen(const QPen &pen) |
|
212 | 213 | { |
|
213 | 214 | foreach(QGraphicsItem* item , m_labels->childItems()) { |
|
214 | 215 | static_cast<QGraphicsSimpleTextItem*>(item)->setPen(pen); |
|
215 | 216 | } |
|
216 | 217 | } |
|
217 | 218 | |
|
218 | 219 | void ChartAxis::setLabelsBrush(const QBrush &brush) |
|
219 | 220 | { |
|
220 | 221 | foreach(QGraphicsItem* item , m_labels->childItems()) { |
|
221 | 222 | static_cast<QGraphicsSimpleTextItem*>(item)->setBrush(brush); |
|
222 | 223 | } |
|
223 | 224 | } |
|
224 | 225 | |
|
225 | 226 | void ChartAxis::setLabelsFont(const QFont &font) |
|
226 | 227 | { |
|
227 | 228 | foreach(QGraphicsItem* item , m_labels->childItems()) { |
|
228 | 229 | static_cast<QGraphicsSimpleTextItem*>(item)->setFont(font); |
|
229 | 230 | } |
|
230 | 231 | m_font = font; |
|
231 | 232 | } |
|
232 | 233 | |
|
233 | 234 | void ChartAxis::setShadesBrush(const QBrush &brush) |
|
234 | 235 | { |
|
235 | 236 | foreach(QGraphicsItem* item , m_shades->childItems()) { |
|
236 | 237 | static_cast<QGraphicsRectItem*>(item)->setBrush(brush); |
|
237 | 238 | } |
|
238 | 239 | } |
|
239 | 240 | |
|
240 | 241 | void ChartAxis::setShadesPen(const QPen &pen) |
|
241 | 242 | { |
|
242 | 243 | foreach(QGraphicsItem* item , m_shades->childItems()) { |
|
243 | 244 | static_cast<QGraphicsRectItem*>(item)->setPen(pen); |
|
244 | 245 | } |
|
245 | 246 | } |
|
246 | 247 | |
|
247 | 248 | void ChartAxis::setArrowPen(const QPen &pen) |
|
248 | 249 | { |
|
249 | 250 | foreach(QGraphicsItem* item , m_arrow->childItems()) { |
|
250 | 251 | static_cast<QGraphicsLineItem*>(item)->setPen(pen); |
|
251 | 252 | } |
|
252 | 253 | } |
|
253 | 254 | |
|
254 | 255 | void ChartAxis::setGridPen(const QPen &pen) |
|
255 | 256 | { |
|
256 | 257 | foreach(QGraphicsItem* item , m_grid->childItems()) { |
|
257 | 258 | static_cast<QGraphicsLineItem*>(item)->setPen(pen); |
|
258 | 259 | } |
|
259 | 260 | } |
|
260 | 261 | |
|
261 | 262 | bool ChartAxis::isEmpty() |
|
262 | 263 | { |
|
263 | 264 | return m_rect.isEmpty() || qFuzzyIsNull(m_min - m_max); |
|
264 | 265 | } |
|
265 | 266 | |
|
266 | 267 | void ChartAxis::handleDomainUpdated() |
|
267 | 268 | { |
|
268 | 269 | Domain* domain = qobject_cast<Domain*>(sender()); |
|
269 | 270 | qreal min(0); |
|
270 | 271 | qreal max(0); |
|
271 | 272 | |
|
272 | 273 | if(m_chartAxis->orientation()==Qt::Horizontal) { |
|
273 | 274 | min = domain->minX(); |
|
274 | 275 | max = domain->maxX(); |
|
275 | 276 | } |
|
276 | 277 | else if (m_chartAxis->orientation()==Qt::Vertical) |
|
277 | 278 | { |
|
278 | 279 | min = domain->minY(); |
|
279 | 280 | max = domain->maxY(); |
|
280 | 281 | } |
|
281 | 282 | |
|
282 | 283 | if (!qFuzzyIsNull(m_min - min) || !qFuzzyIsNull(m_max - max)) |
|
283 | 284 | { |
|
284 | 285 | m_min = min; |
|
285 | 286 | m_max = max; |
|
286 | 287 | |
|
287 | 288 | if (!isEmpty()) { |
|
288 | 289 | QVector<qreal> layout = calculateLayout(); |
|
289 | 290 | updateLayout(layout); |
|
290 | 291 | } |
|
291 | 292 | } |
|
292 | 293 | } |
|
293 | 294 | |
|
294 | 295 | void ChartAxis::handleAxisUpdated() |
|
295 | 296 | { |
|
296 | 297 | if(isEmpty()) return; |
|
297 | 298 | |
|
298 | 299 | |
|
299 | 300 | bool visible = m_chartAxis->isVisible(); |
|
300 | 301 | |
|
301 | 302 | setArrowVisibility(visible && m_chartAxis->isArrowVisible()); |
|
302 | 303 | setGridVisibility(visible && m_chartAxis->isGridLineVisible()); |
|
303 | 304 | setLabelsVisibility(visible && m_chartAxis->labelsVisible()); |
|
304 | 305 | setShadesVisibility(visible && m_chartAxis->shadesVisible()); |
|
305 | 306 | setLabelsAngle(m_chartAxis->labelsAngle()); |
|
306 | 307 | setArrowPen(m_chartAxis->axisPen()); |
|
307 | 308 | setLabelsPen(m_chartAxis->labelsPen()); |
|
308 | 309 | setLabelsBrush(m_chartAxis->labelsBrush()); |
|
309 | 310 | setLabelsFont(m_chartAxis->labelsFont()); |
|
310 | 311 | setGridPen(m_chartAxis->gridLinePen()); |
|
311 | 312 | setShadesPen(m_chartAxis->shadesPen()); |
|
312 | 313 | setShadesBrush(m_chartAxis->shadesBrush()); |
|
313 | 314 | |
|
314 | 315 | } |
|
315 | 316 | |
|
316 | 317 | void ChartAxis::hide() |
|
317 | 318 | { |
|
318 | 319 | setArrowVisibility(false); |
|
319 | 320 | setGridVisibility(false); |
|
320 | 321 | setLabelsVisibility(false); |
|
321 | 322 | setShadesVisibility(false); |
|
322 | 323 | } |
|
323 | 324 | |
|
324 | 325 | void ChartAxis::handleGeometryChanged(const QRectF &rect) |
|
325 | 326 | { |
|
326 | 327 | if(m_rect != rect) |
|
327 | 328 | { |
|
328 | 329 | m_rect = rect; |
|
329 | 330 | if (isEmpty()) return; |
|
330 | 331 | QVector<qreal> layout = calculateLayout(); |
|
331 | 332 | updateLayout(layout); |
|
332 | 333 | } |
|
333 | 334 | } |
|
334 | 335 | |
|
335 | 336 | |
|
336 | 337 | qreal ChartAxis::minimumWidth() |
|
337 | 338 | { |
|
338 | 339 | if(m_minWidth == 0) updateGeometry(); |
|
339 | 340 | return m_minWidth; |
|
340 | 341 | } |
|
341 | 342 | |
|
342 | 343 | qreal ChartAxis::minimumHeight() |
|
343 | 344 | { |
|
344 | 345 | if(m_minHeight == 0) updateGeometry(); |
|
345 | 346 | return m_minHeight; |
|
346 | 347 | } |
|
347 | 348 | |
|
348 | 349 | |
|
349 | 350 | void ChartAxis::axisSelected() |
|
350 | 351 | { |
|
351 | 352 | qDebug()<<"TODO: axis clicked"; |
|
352 | 353 | } |
|
353 | 354 | |
|
354 | 355 | |
|
355 | 356 | void ChartAxis::createNumberLabels(QStringList &labels,qreal min, qreal max, int ticks) const |
|
356 | 357 | { |
|
357 | 358 | Q_ASSERT(max>min); |
|
358 | 359 | Q_ASSERT(ticks>1); |
|
359 | 360 | |
|
360 | 361 | int n = qMax(int(-qFloor(log10((max-min)/(ticks-1)))),0); |
|
361 | 362 | n++; |
|
362 | 363 | for (int i=0; i< ticks; i++) { |
|
363 | 364 | qreal value = min + (i * (max - min)/ (ticks-1)); |
|
364 | 365 | labels << QString::number(value,'f',n); |
|
365 | 366 | } |
|
366 | 367 | } |
|
367 | 368 | |
|
368 | 369 | #include "moc_chartaxis_p.cpp" |
|
369 | 370 | |
|
370 | 371 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,166 +1,174 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #include "chartlayout_p.h" |
|
22 | 22 | #include "chartpresenter_p.h" |
|
23 | #include "qlegend_p.h" | |
|
23 | 24 | #include "chartaxis_p.h" |
|
24 | #include <QDebug> | |
|
25 | 25 | |
|
26 | 26 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
27 | 27 | |
|
28 | 28 | ChartLayout::ChartLayout(ChartPresenter* presenter): |
|
29 | 29 | m_presenter(presenter), |
|
30 | 30 | m_marginBig(60), |
|
31 | 31 | m_marginSmall(20), |
|
32 | 32 | m_marginTiny(10), |
|
33 | m_chartMargins(QPointF(m_marginBig,m_marginBig),QPointF(m_marginBig,m_marginBig)) | |
|
33 | m_chartMargins(QPointF(m_marginBig,m_marginBig),QPointF(m_marginBig,m_marginBig)), | |
|
34 | m_intialized(false) | |
|
34 | 35 | { |
|
35 | 36 | |
|
36 | 37 | } |
|
37 | 38 | |
|
38 | 39 | ChartLayout::~ChartLayout() |
|
39 | 40 | { |
|
40 | 41 | |
|
41 | 42 | } |
|
42 | 43 | |
|
43 | 44 | void ChartLayout::setGeometry(const QRectF& rect) |
|
44 | 45 | { |
|
45 | 46 | |
|
46 | 47 | if (!rect.isValid()) return; |
|
47 | 48 | |
|
48 | 49 | QGraphicsLayout::setGeometry(rect); |
|
49 | 50 | |
|
51 | if(!m_intialized){ | |
|
52 | m_presenter->setGeometry(rect); | |
|
53 | m_intialized=true; | |
|
54 | } | |
|
55 | ||
|
50 | 56 | // check title size |
|
51 | 57 | |
|
52 | 58 | QSize titleSize = QSize(0,0); |
|
53 | 59 | |
|
54 | 60 | if (m_presenter->titleItem()) { |
|
55 | 61 | titleSize= m_presenter->titleItem()->boundingRect().size().toSize(); |
|
56 | 62 | } |
|
57 | 63 | |
|
58 | 64 | qreal axisHeight = 0; |
|
59 | 65 | qreal axisWidth = 0; |
|
60 | 66 | |
|
61 | 67 | // check axis size |
|
62 | 68 | |
|
63 | 69 | foreach (ChartAxis* axis,m_presenter->axisItems()){ |
|
64 | 70 | if(axis->axisType() == ChartAxis::X_AXIS) |
|
65 | 71 | axisHeight = qMax(axis->minimumHeight(),axisHeight); |
|
66 | 72 | else |
|
67 | 73 | axisWidth = qMax(axis->minimumWidth(),axisWidth); |
|
68 | 74 | } |
|
69 | 75 | |
|
70 | 76 | QLegend* legend = m_presenter->legend(); |
|
71 | 77 | |
|
78 | Q_ASSERT(legend); | |
|
79 | ||
|
72 | 80 | qreal titlePadding = m_chartMargins.top()/2; |
|
73 | 81 | |
|
74 | 82 | QRectF chartMargins = m_chartMargins; |
|
75 | 83 | |
|
76 | 84 | // recalculate legend position |
|
77 | if (legend != 0 && legend->isVisible() && legend->isAttachedToChart()) { | |
|
85 | if ((legend->isAttachedToChart() && legend->isVisible())) { | |
|
78 | 86 | |
|
79 | 87 | // Reserve some space for legend |
|
80 | 88 | switch (legend->alignment()) { |
|
81 | 89 | |
|
82 | 90 | case Qt::AlignTop: { |
|
83 | 91 | QSizeF legendSize = legend->effectiveSizeHint(Qt::PreferredSize,QSizeF(rect.width(),-1)); |
|
84 | 92 | int topMargin = 2*m_marginTiny + titleSize.height() + legendSize.height() + m_marginTiny; |
|
85 | 93 | chartMargins = QRect(QPoint(m_chartMargins.left(),topMargin),QPoint(m_chartMargins.right(),m_chartMargins.bottom())); |
|
86 | 94 | m_legendMargins = QRect(QPoint(chartMargins.left(),topMargin - (legendSize.height() + m_marginTiny)),QPoint(chartMargins.right(),rect.height()-topMargin + m_marginTiny)); |
|
87 | 95 | titlePadding = m_marginTiny + m_marginTiny; |
|
88 | 96 | break; |
|
89 | 97 | } |
|
90 | 98 | case Qt::AlignBottom: { |
|
91 | 99 | QSizeF legendSize = legend->effectiveSizeHint(Qt::PreferredSize,QSizeF(rect.width(),-1)); |
|
92 |
int bottomMargin = m_marginTiny + |
|
|
100 | int bottomMargin = m_marginTiny + legendSize.height() + m_marginTiny + axisHeight; | |
|
93 | 101 | chartMargins = QRect(QPoint(m_chartMargins.left(),m_chartMargins.top()),QPoint(m_chartMargins.right(),bottomMargin)); |
|
94 | 102 | m_legendMargins = QRect(QPoint(chartMargins.left(),rect.height()-bottomMargin + m_marginTiny + axisHeight),QPoint(chartMargins.right(),m_marginTiny + m_marginSmall)); |
|
95 | 103 | titlePadding = chartMargins.top()/2; |
|
96 | 104 | break; |
|
97 | 105 | } |
|
98 | 106 | case Qt::AlignLeft: { |
|
99 | 107 | QSizeF legendSize = legend->effectiveSizeHint(Qt::PreferredSize,QSizeF(-1,rect.height())); |
|
100 |
int leftPadding = m_marginTiny |
|
|
108 | int leftPadding = m_marginTiny + legendSize.width() + m_marginTiny + axisWidth; | |
|
109 | ||
|
101 | 110 | chartMargins = QRect(QPoint(leftPadding,m_chartMargins.top()),QPoint(m_chartMargins.right(),m_chartMargins.bottom())); |
|
102 | 111 | m_legendMargins = QRect(QPoint(m_marginTiny + m_marginSmall,chartMargins.top()),QPoint(rect.width()-leftPadding + m_marginTiny + axisWidth,chartMargins.bottom())); |
|
103 | 112 | titlePadding = chartMargins.top()/2; |
|
104 | 113 | break; |
|
105 | 114 | } |
|
106 | 115 | case Qt::AlignRight: { |
|
107 | 116 | QSizeF legendSize = legend->effectiveSizeHint(Qt::PreferredSize,QSizeF(-1,rect.height())); |
|
108 |
int rightPadding = m_marginTiny |
|
|
117 | int rightPadding = m_marginTiny + legendSize.width() + m_marginTiny; | |
|
109 | 118 | chartMargins = QRect(QPoint(m_chartMargins.left(),m_chartMargins.top()),QPoint(rightPadding,m_chartMargins.bottom())); |
|
110 | 119 | m_legendMargins = QRect(QPoint(rect.width()- rightPadding+ m_marginTiny ,chartMargins.top()),QPoint(m_marginTiny + m_marginSmall,chartMargins.bottom())); |
|
111 | 120 | titlePadding = chartMargins.top()/2; |
|
112 | 121 | break; |
|
113 | 122 | } |
|
114 | 123 | default: { |
|
115 | 124 | break; |
|
116 | 125 | } |
|
117 | 126 | } |
|
118 | 127 | |
|
119 | 128 | legend->setGeometry(rect.adjusted(m_legendMargins.left(),m_legendMargins.top(),-m_legendMargins.right(),-m_legendMargins.bottom())); |
|
120 | 129 | } |
|
121 | 130 | |
|
122 | 131 | // recalculate title position |
|
123 | 132 | if (m_presenter->titleItem()) { |
|
124 | 133 | QPointF center = rect.center() - m_presenter->titleItem()->boundingRect().center(); |
|
125 | 134 | m_presenter->titleItem()->setPos(center.x(),titlePadding); |
|
126 | 135 | } |
|
127 | 136 | |
|
128 | 137 | //recalculate background gradient |
|
129 | 138 | if (m_presenter->backgroundItem()) { |
|
130 | 139 | m_presenter->backgroundItem()->setRect(rect.adjusted(m_marginTiny,m_marginTiny, -m_marginTiny, -m_marginTiny)); |
|
131 | 140 | } |
|
132 | 141 | |
|
133 | 142 | QRectF chartRect = rect.adjusted(chartMargins.left(),chartMargins.top(),-chartMargins.right(),-chartMargins.bottom()); |
|
134 | 143 | |
|
135 | 144 | if(m_presenter->geometry()!=chartRect && chartRect.isValid()){ |
|
136 | 145 | m_presenter->setGeometry(chartRect); |
|
137 | 146 | }else if(chartRect.size().isEmpty()){ |
|
138 | 147 | m_presenter->setGeometry(QRect(rect.width()/2,rect.height()/2,1,1)); |
|
139 | 148 | } |
|
140 | ||
|
141 | 149 | } |
|
142 | 150 | |
|
143 | 151 | |
|
144 | 152 | QSizeF ChartLayout::sizeHint ( Qt::SizeHint which, const QSizeF & constraint) const |
|
145 | 153 | { |
|
146 | 154 | Q_UNUSED(constraint); |
|
147 | 155 | if(which == Qt::MinimumSize) |
|
148 | 156 | return QSize(2*(m_chartMargins.top()+m_chartMargins.bottom()),2*(m_chartMargins.top() + m_chartMargins.bottom())); |
|
149 | 157 | else |
|
150 | 158 | return QSize(-1,-1); |
|
151 | 159 | } |
|
152 | 160 | |
|
153 | 161 | void ChartLayout::setMarginsMinimum(const QRectF& margins) |
|
154 | 162 | { |
|
155 | 163 | if(m_chartMargins != margins){ |
|
156 | 164 | m_chartMargins = margins; |
|
157 | 165 | updateGeometry(); |
|
158 | 166 | } |
|
159 | 167 | } |
|
160 | 168 | |
|
161 | 169 | QRectF ChartLayout::margins() const |
|
162 | 170 | { |
|
163 | 171 | return m_chartMargins; |
|
164 | 172 | } |
|
165 | 173 | |
|
166 | 174 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,63 +1,62 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #ifndef CHARTLAYOUT_H_ |
|
22 | 22 | #define CHARTLAYOUT_H_ |
|
23 | 23 | #include <QGraphicsLayout> |
|
24 | 24 | #include "qchartglobal.h" |
|
25 | 25 | |
|
26 | 26 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
27 | 27 | |
|
28 | 28 | class ChartPresenter; |
|
29 | 29 | |
|
30 | 30 | class ChartLayout : public QGraphicsLayout |
|
31 | 31 | { |
|
32 | 32 | public: |
|
33 | 33 | |
|
34 | 34 | ChartLayout(ChartPresenter* presenter); |
|
35 | 35 | virtual ~ChartLayout(); |
|
36 | 36 | |
|
37 | 37 | void setMarginsMinimum(const QRectF& margins); |
|
38 | 38 | QRectF margins() const; |
|
39 | 39 | |
|
40 | 40 | void setGeometry(const QRectF& rect); |
|
41 | 41 | |
|
42 | 42 | protected: |
|
43 | 43 | QSizeF sizeHint ( Qt::SizeHint which, const QSizeF & constraint = QSizeF() ) const; |
|
44 | 44 | int count() const { return 0; } |
|
45 | 45 | QGraphicsLayoutItem* itemAt(int) const { return 0; }; |
|
46 | 46 | void removeAt(int){}; |
|
47 | 47 | |
|
48 | 48 | private: |
|
49 | 49 | ChartPresenter* m_presenter; |
|
50 | 50 | int m_marginBig; |
|
51 | 51 | int m_marginSmall; |
|
52 | 52 | int m_marginTiny; |
|
53 | ||
|
54 | 53 | QRectF m_chartMargins; |
|
55 | 54 | QRectF m_legendMargins; |
|
56 | ||
|
55 | bool m_intialized; | |
|
57 | 56 | |
|
58 | 57 | |
|
59 | 58 | }; |
|
60 | 59 | |
|
61 | 60 | QTCOMMERCIALCHART_END_NAMESPACE |
|
62 | 61 | |
|
63 | 62 | #endif |
@@ -1,380 +1,381 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #include "legendlayout_p.h" |
|
22 | 22 | #include "chartpresenter_p.h" |
|
23 | 23 | #include "legendmarker_p.h" |
|
24 | 24 | #include "qlegend_p.h" |
|
25 | #include <QDebug> | |
|
26 | 25 | |
|
27 | 26 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
28 | 27 | |
|
29 | 28 | LegendLayout::LegendLayout(QLegend* legend): |
|
30 | 29 | m_legend(legend) |
|
31 | 30 | { |
|
32 | 31 | |
|
33 | 32 | } |
|
34 | 33 | |
|
35 | 34 | LegendLayout::~LegendLayout() |
|
36 | 35 | { |
|
37 | 36 | |
|
38 | 37 | } |
|
39 | 38 | |
|
40 | 39 | void LegendLayout::setOffset(qreal x, qreal y) |
|
41 | 40 | { |
|
42 | 41 | bool scrollHorizontal = true; |
|
43 | 42 | switch(m_legend->alignment()) { |
|
44 | 43 | case Qt::AlignTop: |
|
45 | 44 | case Qt::AlignBottom: { |
|
46 | 45 | scrollHorizontal = true; |
|
47 | 46 | break; |
|
48 | 47 | } |
|
49 | 48 | case Qt::AlignLeft: |
|
50 | 49 | case Qt::AlignRight: { |
|
51 | 50 | scrollHorizontal = false; |
|
52 | 51 | break; |
|
53 | 52 | } |
|
54 | 53 | } |
|
55 | 54 | |
|
56 | 55 | // If detached, the scrolling direction is vertical instead of horizontal and vice versa. |
|
57 | 56 | if (!m_legend->isAttachedToChart()) { |
|
58 | 57 | scrollHorizontal = !scrollHorizontal; |
|
59 | 58 | } |
|
60 | 59 | |
|
61 | 60 | QRectF boundingRect = geometry(); |
|
62 | 61 | |
|
63 | 62 | // Limit offset between m_minOffset and m_maxOffset |
|
64 | 63 | if (scrollHorizontal) { |
|
65 | 64 | if(m_width<=boundingRect.width()) return; |
|
66 | 65 | |
|
67 | 66 | if (x != m_offsetX) { |
|
68 | 67 | m_offsetX = qBound(m_minOffsetX, x, m_maxOffsetX); |
|
69 | 68 | m_legend->d_ptr->items()->setPos(-m_offsetX,boundingRect.top()); |
|
70 | 69 | } |
|
71 | 70 | } |
|
72 | 71 | else { |
|
73 | 72 | if(m_height<=boundingRect.height()) return; |
|
74 | 73 | |
|
75 | 74 | if (y != m_offsetY) { |
|
76 | 75 | m_offsetY = qBound(m_minOffsetY, y, m_maxOffsetY); |
|
77 | 76 | m_legend->d_ptr->items()->setPos(boundingRect.left(),-m_offsetY); |
|
78 | 77 | } |
|
79 | 78 | } |
|
80 | 79 | } |
|
81 | 80 | |
|
82 | 81 | QPointF LegendLayout::offset() const |
|
83 | 82 | { |
|
84 | 83 | return QPointF(m_offsetX,m_offsetY); |
|
85 | 84 | } |
|
86 | 85 | |
|
87 | 86 | void LegendLayout::setGeometry(const QRectF& rect) |
|
88 | 87 | { |
|
89 | ||
|
90 | QGraphicsLayout::setGeometry(rect); | |
|
88 | m_legend->d_ptr->items()->setVisible(m_legend->isVisible()); | |
|
91 | 89 | |
|
92 | 90 | if(m_legend->isAttachedToChart()) { |
|
91 | ||
|
93 | 92 | setAttachedGeometry(rect); |
|
94 | 93 | } |
|
95 | 94 | else { |
|
96 | 95 | setDettachedGeometry(rect); |
|
97 | 96 | } |
|
97 | ||
|
98 | QGraphicsLayout::setGeometry(rect); | |
|
98 | 99 | } |
|
99 | 100 | |
|
100 | 101 | void LegendLayout::setAttachedGeometry(const QRectF& rect) |
|
101 | 102 | { |
|
102 | 103 | if (!rect.isValid()) return; |
|
103 | 104 | |
|
104 | 105 | m_offsetX=0; |
|
105 | 106 | m_offsetY=0; |
|
106 | 107 | |
|
107 | 108 | QSizeF size(0,0); |
|
108 | 109 | |
|
109 | 110 | if( m_legend->d_ptr->markers().isEmpty()) return; |
|
110 | 111 | |
|
111 | 112 | m_width=0; |
|
112 | 113 | m_height=0; |
|
113 | 114 | |
|
114 | 115 | switch(m_legend->alignment()) { |
|
115 | 116 | |
|
116 | 117 | case Qt::AlignTop: |
|
117 | 118 | |
|
118 | 119 | case Qt::AlignBottom: { |
|
119 | 120 | QPointF point(0,0); |
|
120 | 121 | foreach (LegendMarker* marker, m_legend->d_ptr->markers()) { |
|
121 | 122 | if (marker->isVisible()) { |
|
122 | 123 | marker->setGeometry(QRectF(QPointF(0,0),marker->effectiveSizeHint(Qt::PreferredSize))); |
|
123 | 124 | marker->setPos(point.x(),rect.height()/2 - marker->boundingRect().height()/2); |
|
124 | 125 | const QRectF& rect = marker->boundingRect(); |
|
125 | 126 | size = size.expandedTo(rect.size()); |
|
126 | 127 | qreal w = rect.width(); |
|
127 | 128 | m_width+=w; |
|
128 | 129 | point.setX(point.x() + w); |
|
129 | 130 | } |
|
130 | 131 | } |
|
131 | 132 | if(m_width<rect.width()) { |
|
132 | 133 | m_legend->d_ptr->items()->setPos(rect.width()/2-m_width/2,rect.top()); |
|
133 | 134 | |
|
134 | 135 | } |
|
135 | 136 | else { |
|
136 | 137 | m_legend->d_ptr->items()->setPos(rect.topLeft()); |
|
137 | 138 | } |
|
138 | 139 | m_height=size.height(); |
|
139 | 140 | } |
|
140 | 141 | break; |
|
141 | 142 | case Qt::AlignLeft: |
|
142 | 143 | case Qt::AlignRight: { |
|
143 | 144 | QPointF point(0,0); |
|
144 | 145 | foreach (LegendMarker* marker, m_legend->d_ptr->markers()) { |
|
145 | 146 | if (marker->isVisible()) { |
|
146 | 147 | marker->setGeometry(QRectF(QPointF(0,0),marker->effectiveSizeHint(Qt::PreferredSize))); |
|
147 | 148 | marker->setPos(point); |
|
148 | 149 | const QRectF& rect = marker->boundingRect(); |
|
149 | 150 | qreal h = rect.height(); |
|
150 | 151 | size = size.expandedTo(rect.size()); |
|
151 | 152 | m_height+=h; |
|
152 | 153 | point.setY(point.y() + h); |
|
153 | 154 | } |
|
154 | 155 | } |
|
155 | 156 | if(m_height<rect.height()) { |
|
156 | 157 | m_legend->d_ptr->items()->setPos(rect.left(),rect.height()/2-m_height/2); |
|
157 | 158 | } |
|
158 | 159 | else { |
|
159 | 160 | m_legend->d_ptr->items()->setPos(rect.topLeft()); |
|
160 | 161 | } |
|
161 | 162 | m_width=size.width(); |
|
162 | 163 | } |
|
163 | 164 | break; |
|
164 | 165 | } |
|
165 | 166 | |
|
166 | 167 | m_minOffsetX = 0; |
|
167 | 168 | m_minOffsetY = 0; |
|
168 | 169 | m_maxOffsetX = m_width - rect.width(); |
|
169 | 170 | m_maxOffsetY = m_height - rect.height(); |
|
170 | 171 | } |
|
171 | 172 | |
|
172 | 173 | void LegendLayout::setDettachedGeometry(const QRectF& rect) |
|
173 | 174 | { |
|
174 | 175 | if (!rect.isValid()) return; |
|
175 | 176 | |
|
176 | 177 | // Detached layout is different. |
|
177 | 178 | // In detached mode legend may have multiple rows and columns, so layout calculations |
|
178 | 179 | // differ a log from attached mode. |
|
179 | 180 | // Also the scrolling logic is bit different. |
|
180 | 181 | |
|
181 | 182 | m_offsetX=0; |
|
182 | 183 | m_offsetY=0; |
|
183 | 184 | |
|
184 | 185 | QSizeF size(0,0); |
|
185 | 186 | |
|
186 | 187 | QList<LegendMarker *> markers = m_legend->d_ptr->markers(); |
|
187 | 188 | |
|
188 | 189 | if(markers.isEmpty()) return; |
|
189 | 190 | |
|
190 | 191 | switch (m_legend->alignment()) { |
|
191 | 192 | case Qt::AlignTop: { |
|
192 | 193 | QPointF point = rect.topLeft(); |
|
193 | 194 | m_width = 0; |
|
194 | 195 | m_height = 0; |
|
195 | 196 | for (int i=0; i<markers.count(); i++) { |
|
196 | 197 | LegendMarker *marker = markers.at(i); |
|
197 | 198 | if (marker->isVisible()) { |
|
198 | 199 | marker->setGeometry(QRectF(QPointF(0,0),marker->effectiveSizeHint(Qt::PreferredSize))); |
|
199 | 200 | marker->setPos(point.x(),point.y()); |
|
200 | 201 | const QRectF& boundingRect = marker->boundingRect(); |
|
201 | 202 | qreal w = boundingRect.width(); |
|
202 | 203 | qreal h = boundingRect.height(); |
|
203 | 204 | m_width = qMax(m_width,w); |
|
204 | 205 | m_height = qMax(m_height,h); |
|
205 | 206 | point.setX(point.x() + w); |
|
206 | 207 | if (point.x() + w > rect.topLeft().x() + rect.width()) { |
|
207 | 208 | // Next item would go off rect. |
|
208 | 209 | point.setX(rect.topLeft().x()); |
|
209 | 210 | point.setY(point.y() + h); |
|
210 | 211 | if (i+1 < markers.count()) { |
|
211 | 212 | m_height += h; |
|
212 | 213 | } |
|
213 | 214 | } |
|
214 | 215 | } |
|
215 | 216 | } |
|
216 | 217 | m_legend->d_ptr->items()->setPos(rect.topLeft()); |
|
217 | 218 | |
|
218 | 219 | m_minOffsetX = 0; |
|
219 | 220 | m_minOffsetY = 0; |
|
220 | 221 | m_maxOffsetX = m_width - rect.width(); |
|
221 | 222 | m_maxOffsetY = m_height - rect.height(); |
|
222 | 223 | } |
|
223 | 224 | break; |
|
224 | 225 | case Qt::AlignBottom: { |
|
225 | 226 | QPointF point = rect.bottomLeft(); |
|
226 | 227 | m_width = 0; |
|
227 | 228 | m_height = 0; |
|
228 | 229 | for (int i=0; i<markers.count(); i++) { |
|
229 | 230 | LegendMarker *marker = markers.at(i); |
|
230 | 231 | if (marker->isVisible()) { |
|
231 | 232 | marker->setGeometry(QRectF(QPointF(0,0),marker->effectiveSizeHint(Qt::PreferredSize))); |
|
232 | 233 | const QRectF& boundingRect = marker->boundingRect(); |
|
233 | 234 | qreal w = boundingRect.width(); |
|
234 | 235 | qreal h = boundingRect.height(); |
|
235 | 236 | m_width = qMax(m_width,w); |
|
236 | 237 | m_height = qMax(m_height,h); |
|
237 | 238 | marker->setPos(point.x(),point.y() - h); |
|
238 | 239 | point.setX(point.x() + w); |
|
239 | 240 | if (point.x() + w > rect.bottomLeft().x() + rect.width()) { |
|
240 | 241 | // Next item would go off rect. |
|
241 | 242 | point.setX(rect.bottomLeft().x()); |
|
242 | 243 | point.setY(point.y() - h); |
|
243 | 244 | if (i+1 < markers.count()) { |
|
244 | 245 | m_height += h; |
|
245 | 246 | } |
|
246 | 247 | } |
|
247 | 248 | } |
|
248 | 249 | } |
|
249 | 250 | m_legend->d_ptr->items()->setPos(rect.topLeft()); |
|
250 | 251 | |
|
251 | 252 | m_minOffsetX = 0; |
|
252 | 253 | m_minOffsetY = qMin(rect.topLeft().y(), rect.topLeft().y() - m_height + rect.height()); |
|
253 | 254 | m_maxOffsetX = m_width - rect.width(); |
|
254 | 255 | m_maxOffsetY = 0; |
|
255 | 256 | } |
|
256 | 257 | break; |
|
257 | 258 | case Qt::AlignLeft: { |
|
258 | 259 | QPointF point = rect.topLeft(); |
|
259 | 260 | m_width = 0; |
|
260 | 261 | m_height = 0; |
|
261 | 262 | qreal maxWidth = 0; |
|
262 | 263 | for (int i=0; i<markers.count(); i++) { |
|
263 | 264 | LegendMarker *marker = markers.at(i); |
|
264 | 265 | if (marker->isVisible()) { |
|
265 | 266 | marker->setGeometry(QRectF(QPointF(0,0),marker->effectiveSizeHint(Qt::PreferredSize))); |
|
266 | 267 | const QRectF& boundingRect = marker->boundingRect(); |
|
267 | 268 | qreal w = boundingRect.width(); |
|
268 | 269 | qreal h = boundingRect.height(); |
|
269 | 270 | m_height = qMax(m_height,h); |
|
270 | 271 | maxWidth = qMax(maxWidth,w); |
|
271 | 272 | marker->setPos(point.x(),point.y()); |
|
272 | 273 | point.setY(point.y() + h); |
|
273 | 274 | if (point.y() + h > rect.topLeft().y() + rect.height()) { |
|
274 | 275 | // Next item would go off rect. |
|
275 | 276 | point.setX(point.x() + maxWidth); |
|
276 | 277 | point.setY(rect.topLeft().y()); |
|
277 | 278 | if (i+1 < markers.count()) { |
|
278 | 279 | m_width += maxWidth; |
|
279 | 280 | maxWidth = 0; |
|
280 | 281 | } |
|
281 | 282 | } |
|
282 | 283 | } |
|
283 | 284 | } |
|
284 | 285 | m_width += maxWidth; |
|
285 | 286 | m_legend->d_ptr->items()->setPos(rect.topLeft()); |
|
286 | 287 | |
|
287 | 288 | m_minOffsetX = 0; |
|
288 | 289 | m_minOffsetY = 0; |
|
289 | 290 | m_maxOffsetX = m_width - rect.width(); |
|
290 | 291 | m_maxOffsetY = m_height - rect.height(); |
|
291 | 292 | } |
|
292 | 293 | break; |
|
293 | 294 | case Qt::AlignRight: { |
|
294 | 295 | QPointF point = rect.topRight(); |
|
295 | 296 | m_width = 0; |
|
296 | 297 | m_height = 0; |
|
297 | 298 | qreal maxWidth = 0; |
|
298 | 299 | for (int i=0; i<markers.count(); i++) { |
|
299 | 300 | LegendMarker *marker = markers.at(i); |
|
300 | 301 | if (marker->isVisible()) { |
|
301 | 302 | marker->setGeometry(QRectF(QPointF(0,0),marker->effectiveSizeHint(Qt::PreferredSize))); |
|
302 | 303 | const QRectF& boundingRect = marker->boundingRect(); |
|
303 | 304 | qreal w = boundingRect.width(); |
|
304 | 305 | qreal h = boundingRect.height(); |
|
305 | 306 | m_height = qMax(m_height,h); |
|
306 | 307 | maxWidth = qMax(maxWidth,w); |
|
307 | 308 | marker->setPos(point.x() - w,point.y()); |
|
308 | 309 | point.setY(point.y() + h); |
|
309 | 310 | if (point.y() + h > rect.topLeft().y() + rect.height()) { |
|
310 | 311 | // Next item would go off rect. |
|
311 | 312 | point.setX(point.x() - maxWidth); |
|
312 | 313 | point.setY(rect.topLeft().y()); |
|
313 | 314 | if (i+1 < markers.count()) { |
|
314 | 315 | m_width += maxWidth; |
|
315 | 316 | maxWidth = 0; |
|
316 | 317 | } |
|
317 | 318 | } |
|
318 | 319 | } |
|
319 | 320 | } |
|
320 | 321 | m_width += maxWidth; |
|
321 | 322 | m_legend->d_ptr->items()->setPos(rect.topLeft()); |
|
322 | 323 | |
|
323 | 324 | m_minOffsetX = qMin(rect.topLeft().x(), rect.topLeft().x() - m_width + rect.width()); |
|
324 | 325 | m_minOffsetY = 0; |
|
325 | 326 | m_maxOffsetX = 0; |
|
326 | 327 | m_maxOffsetY = m_height - rect.height(); |
|
327 | 328 | } |
|
328 | 329 | break; |
|
329 | 330 | default: |
|
330 | 331 | break; |
|
331 | 332 | } |
|
332 | 333 | |
|
333 | 334 | } |
|
334 | 335 | |
|
335 | 336 | QSizeF LegendLayout::sizeHint ( Qt::SizeHint which, const QSizeF & constraint) const |
|
336 | 337 | { |
|
337 | 338 | QSizeF size(0, 0); |
|
338 | 339 | qreal left, top, right, bottom; |
|
339 | 340 | getContentsMargins(&left, &top, &right, &bottom); |
|
340 | 341 | |
|
341 | 342 | if(which!=Qt::PreferredSize) return QSizeF(-1,-1); |
|
342 | 343 | |
|
343 | 344 | if(constraint.isValid()) { |
|
344 | 345 | foreach(LegendMarker* marker, m_legend->d_ptr->markers()) { |
|
345 | 346 | size = size.expandedTo(marker->effectiveSizeHint(which)); |
|
346 | 347 | } |
|
347 | 348 | size = size.boundedTo(constraint); |
|
348 | 349 | } |
|
349 | 350 | else if (constraint.width() >= 0) { |
|
350 | 351 | qreal width = 0; |
|
351 | 352 | qreal height = 0; |
|
352 | 353 | foreach(LegendMarker* marker, m_legend->d_ptr->markers()) { |
|
353 | 354 | width+=marker->effectiveSizeHint(which).width(); |
|
354 | 355 | height=qMax(height,marker->effectiveSizeHint(which).height()); |
|
355 | 356 | } |
|
356 | 357 | |
|
357 | 358 | size = QSizeF(qMin(constraint.width(),width), height); |
|
358 | 359 | } |
|
359 | 360 | else if (constraint.height() >= 0) { |
|
360 | 361 | qreal width = 0; |
|
361 | 362 | qreal height = 0; |
|
362 | 363 | foreach(LegendMarker* marker, m_legend->d_ptr->markers()) { |
|
363 | 364 | width=qMax(width,marker->effectiveSizeHint(which).width()); |
|
364 | 365 | height+=height,marker->effectiveSizeHint(which).height(); |
|
365 | 366 | } |
|
366 | 367 | size = QSizeF(width,qMin(constraint.height(),height)); |
|
367 | 368 | } |
|
368 | 369 | else { |
|
369 | 370 | foreach(LegendMarker* marker, m_legend->d_ptr->markers()) { |
|
370 | 371 | size = size.expandedTo(marker->effectiveSizeHint(which)); |
|
371 | 372 | } |
|
372 | 373 | } |
|
373 | 374 | size += QSize(left + right, top + bottom); |
|
374 | 375 | |
|
375 | 376 | return size; |
|
376 | 377 | |
|
377 | 378 | |
|
378 | 379 | } |
|
379 | 380 | |
|
380 | 381 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,537 +1,537 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #include "qlegend.h" |
|
22 | 22 | #include "qlegend_p.h" |
|
23 | 23 | #include "qabstractseries.h" |
|
24 | 24 | #include "qabstractseries_p.h" |
|
25 | 25 | #include "qchart_p.h" |
|
26 | 26 | #include "legendlayout_p.h" |
|
27 | 27 | #include "legendmarker_p.h" |
|
28 | 28 | #include "qxyseries.h" |
|
29 | 29 | #include "qlineseries.h" |
|
30 | 30 | #include "qareaseries.h" |
|
31 | 31 | #include "qscatterseries.h" |
|
32 | 32 | #include "qsplineseries.h" |
|
33 | 33 | #include "qabstractbarseries.h" |
|
34 | 34 | #include "qstackedbarseries.h" |
|
35 | 35 | #include "qpercentbarseries.h" |
|
36 | 36 | #include "qbarset.h" |
|
37 | 37 | #include "qpieseries.h" |
|
38 | 38 | #include "qpieseries_p.h" |
|
39 | 39 | #include "qpieslice.h" |
|
40 | 40 | #include "chartpresenter_p.h" |
|
41 | 41 | #include <QPainter> |
|
42 | 42 | #include <QPen> |
|
43 | 43 | #include <QTimer> |
|
44 | 44 | #include <QGraphicsLayout> |
|
45 | 45 | #include <QGraphicsSceneEvent> |
|
46 | 46 | |
|
47 | 47 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
48 | 48 | |
|
49 | 49 | /*! |
|
50 | 50 | \class QLegend |
|
51 | 51 | \brief Legend object |
|
52 | 52 | \mainclass |
|
53 | 53 | |
|
54 | 54 | QLegend is a graphical object, whics displays legend of the chart. Legend state is updated by QChart, when |
|
55 | 55 | series have been changed. By default, legend is drawn by QChart, but user can set a new parent to legend and |
|
56 | 56 | handle the drawing manually. |
|
57 | 57 | User isn't supposed to create or delete legend objects, but can reference it via QChart class. |
|
58 | 58 | |
|
59 | 59 | \image examples_percentbarchart_legend.png |
|
60 | 60 | |
|
61 | 61 | \sa QChart |
|
62 | 62 | */ |
|
63 | 63 | /*! |
|
64 | 64 | \qmlclass Legend QLegend |
|
65 | 65 | \brief Legend is part of QtCommercial Chart QML API. |
|
66 | 66 | |
|
67 | 67 | Legend is a graphical object, whics displays legend of the chart. Legend state is updated by ChartView, when |
|
68 | 68 | series have been changed. Legend is used via ChartView class. For example: |
|
69 | 69 | \code |
|
70 | 70 | ChartView { |
|
71 | 71 | legend.visible: true |
|
72 | 72 | legend.alignment: Qt.AlignBottom |
|
73 | 73 | // Add a few series... |
|
74 | 74 | } |
|
75 | 75 | \endcode |
|
76 | 76 | |
|
77 | 77 | \image examples_percentbarchart_legend.png |
|
78 | 78 | */ |
|
79 | 79 | |
|
80 | 80 | /*! |
|
81 | 81 | \property QLegend::alignment |
|
82 | 82 | \brief The alignment of the legend. |
|
83 | 83 | |
|
84 | 84 | Legend paints on the defined position in the chart. The following alignments are supported: |
|
85 | 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 | 88 | \qmlproperty Qt.Alignment Legend::alignment |
|
89 | 89 | \brief The alignment of the legend. |
|
90 | 90 | |
|
91 | 91 | Legend paints on the defined position in the chart. The following alignments are supported: |
|
92 | 92 | Qt.AlignTop, Qt.AlignBottom, Qt.AlignLeft, Qt.AlignRight. If you set more than one flag the result is undefined. |
|
93 | 93 | */ |
|
94 | 94 | |
|
95 | 95 | /*! |
|
96 | 96 | \property QLegend::backgroundVisible |
|
97 | 97 | Whether the legend background is visible or not. |
|
98 | 98 | */ |
|
99 | 99 | /*! |
|
100 | 100 | \qmlproperty bool Legend::backgroundVisible |
|
101 | 101 | Whether the legend background is visible or not. |
|
102 | 102 | */ |
|
103 | 103 | |
|
104 | 104 | /*! |
|
105 | 105 | \property QLegend::color |
|
106 | 106 | The color of the legend, i.e. the background (brush) color. Note that if you change the color |
|
107 | 107 | of the legend, the style of the legend brush is set to Qt::SolidPattern. |
|
108 | 108 | */ |
|
109 | 109 | /*! |
|
110 | 110 | \qmlproperty color Legend::color |
|
111 | 111 | The color of the legend, i.e. the background (brush) color. |
|
112 | 112 | */ |
|
113 | 113 | |
|
114 | 114 | /*! |
|
115 | 115 | \property QLegend::borderColor |
|
116 | 116 | The border color of the legend, i.e. the line color. |
|
117 | 117 | */ |
|
118 | 118 | /*! |
|
119 | 119 | \qmlproperty color Legend::borderColor |
|
120 | 120 | The border color of the legend, i.e. the line color. |
|
121 | 121 | */ |
|
122 | 122 | |
|
123 | 123 | /*! |
|
124 | 124 | \property QLegend::font |
|
125 | 125 | The font of markers used by legend |
|
126 | 126 | */ |
|
127 | 127 | /*! |
|
128 | 128 | \qmlproperty color Legend::font |
|
129 | 129 | The font of markers used by legend |
|
130 | 130 | */ |
|
131 | 131 | |
|
132 | 132 | /*! |
|
133 | 133 | \property QLegend::labelColor |
|
134 | 134 | The color of brush used to draw labels. |
|
135 | 135 | */ |
|
136 | 136 | /*! |
|
137 | 137 | \qmlproperty color QLegend::labelColor |
|
138 | 138 | The color of brush used to draw labels. |
|
139 | 139 | */ |
|
140 | 140 | |
|
141 | 141 | /*! |
|
142 | 142 | \fn void QLegend::backgroundVisibleChanged(bool) |
|
143 | 143 | The visibility of the legend background changed to \a visible. |
|
144 | 144 | */ |
|
145 | 145 | |
|
146 | 146 | /*! |
|
147 | 147 | \fn void QLegend::colorChanged(QColor) |
|
148 | 148 | The color of the legend background changed to \a color. |
|
149 | 149 | */ |
|
150 | 150 | |
|
151 | 151 | /*! |
|
152 | 152 | \fn void QLegend::borderColorChanged(QColor) |
|
153 | 153 | The border color of the legend background changed to \a color. |
|
154 | 154 | */ |
|
155 | 155 | |
|
156 | 156 | /*! |
|
157 | 157 | \fn void QLegend::fontChanged(QFont) |
|
158 | 158 | The font of markers of the legend changed to \a font. |
|
159 | 159 | */ |
|
160 | 160 | |
|
161 | 161 | /*! |
|
162 | 162 | \fn void QLegend::labelColorChanged(QColor color) |
|
163 | 163 | This signal is emitted when the color of brush used to draw labels has changed to \a color. |
|
164 | 164 | */ |
|
165 | 165 | |
|
166 | 166 | /*! |
|
167 | 167 | Constructs the legend object and sets the parent to \a parent |
|
168 | 168 | */ |
|
169 | 169 | |
|
170 | 170 | QLegend::QLegend(QChart *chart):QGraphicsWidget(chart), |
|
171 | 171 | d_ptr(new QLegendPrivate(chart->d_ptr->m_presenter,chart,this)) |
|
172 | 172 | { |
|
173 | 173 | setZValue(ChartPresenter::LegendZValue); |
|
174 | 174 | setFlags(QGraphicsItem::ItemClipsChildrenToShape); |
|
175 | 175 | QObject::connect(chart->d_ptr->m_dataset,SIGNAL(seriesAdded(QAbstractSeries*,Domain*)),d_ptr.data(),SLOT(handleSeriesAdded(QAbstractSeries*,Domain*))); |
|
176 | 176 | QObject::connect(chart->d_ptr->m_dataset,SIGNAL(seriesRemoved(QAbstractSeries*)),d_ptr.data(),SLOT(handleSeriesRemoved(QAbstractSeries*))); |
|
177 | 177 | QObject::connect(chart->d_ptr->m_dataset,SIGNAL(seriesUpdated(QAbstractSeries*)),d_ptr.data(),SLOT(handleSeriesUpdated(QAbstractSeries*))); |
|
178 | 178 | setLayout(d_ptr->m_layout); |
|
179 | 179 | } |
|
180 | 180 | |
|
181 | 181 | /*! |
|
182 | 182 | Destroys the legend object. Legend is always owned by a QChart, so an application should never call this. |
|
183 | 183 | */ |
|
184 | 184 | QLegend::~QLegend() |
|
185 | 185 | { |
|
186 | 186 | } |
|
187 | 187 | |
|
188 | 188 | /*! |
|
189 | 189 | \internal |
|
190 | 190 | */ |
|
191 | 191 | void QLegend::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) |
|
192 | 192 | { |
|
193 | 193 | Q_UNUSED(option) |
|
194 | 194 | Q_UNUSED(widget) |
|
195 | 195 | if(!d_ptr->m_backgroundVisible) return; |
|
196 | 196 | |
|
197 | 197 | painter->setOpacity(opacity()); |
|
198 | 198 | painter->setPen(d_ptr->m_pen); |
|
199 | 199 | painter->setBrush(d_ptr->m_brush); |
|
200 | 200 | painter->drawRoundRect(rect(),d_ptr->roundness(rect().width()),d_ptr->roundness(rect().height())); |
|
201 | 201 | |
|
202 | 202 | } |
|
203 | 203 | |
|
204 | 204 | |
|
205 | 205 | /*! |
|
206 | 206 | Sets the \a brush of legend. Brush affects the background of legend. |
|
207 | 207 | */ |
|
208 | 208 | void QLegend::setBrush(const QBrush &brush) |
|
209 | 209 | { |
|
210 | 210 | if (d_ptr->m_brush != brush) { |
|
211 | 211 | d_ptr->m_brush = brush; |
|
212 | 212 | update(); |
|
213 | 213 | emit colorChanged(brush.color()); |
|
214 | 214 | } |
|
215 | 215 | } |
|
216 | 216 | |
|
217 | 217 | /*! |
|
218 | 218 | Returns the brush used by legend. |
|
219 | 219 | */ |
|
220 | 220 | QBrush QLegend::brush() const |
|
221 | 221 | { |
|
222 | 222 | return d_ptr->m_brush; |
|
223 | 223 | } |
|
224 | 224 | |
|
225 | 225 | void QLegend::setColor(QColor color) |
|
226 | 226 | { |
|
227 | 227 | QBrush b = d_ptr->m_brush; |
|
228 | 228 | if (b.style() != Qt::SolidPattern || b.color() != color) { |
|
229 | 229 | b.setStyle(Qt::SolidPattern); |
|
230 | 230 | b.setColor(color); |
|
231 | 231 | setBrush(b); |
|
232 | 232 | } |
|
233 | 233 | } |
|
234 | 234 | |
|
235 | 235 | QColor QLegend::color() |
|
236 | 236 | { |
|
237 | 237 | return d_ptr->m_brush.color(); |
|
238 | 238 | } |
|
239 | 239 | |
|
240 | 240 | /*! |
|
241 | 241 | Sets the \a pen of legend. Pen affects the legend borders. |
|
242 | 242 | */ |
|
243 | 243 | void QLegend::setPen(const QPen &pen) |
|
244 | 244 | { |
|
245 | 245 | if (d_ptr->m_pen != pen) { |
|
246 | 246 | d_ptr->m_pen = pen; |
|
247 | 247 | update(); |
|
248 | 248 | emit borderColorChanged(pen.color()); |
|
249 | 249 | } |
|
250 | 250 | } |
|
251 | 251 | |
|
252 | 252 | /*! |
|
253 | 253 | Returns the pen used by legend |
|
254 | 254 | */ |
|
255 | 255 | |
|
256 | 256 | QPen QLegend::pen() const |
|
257 | 257 | { |
|
258 | 258 | return d_ptr->m_pen; |
|
259 | 259 | } |
|
260 | 260 | |
|
261 | 261 | void QLegend::setFont(const QFont &font) |
|
262 | 262 | { |
|
263 | 263 | if (d_ptr->m_font != font) { |
|
264 | 264 | d_ptr->m_font = font; |
|
265 | 265 | |
|
266 | 266 | foreach (LegendMarker *marker, d_ptr->markers()) { |
|
267 | 267 | marker->setFont(d_ptr->m_font); |
|
268 | 268 | } |
|
269 | 269 | layout()->invalidate(); |
|
270 | 270 | emit fontChanged(font); |
|
271 | 271 | } |
|
272 | 272 | } |
|
273 | 273 | |
|
274 | 274 | QFont QLegend::font() const |
|
275 | 275 | { |
|
276 | 276 | return d_ptr->m_font; |
|
277 | 277 | } |
|
278 | 278 | |
|
279 | 279 | void QLegend::setBorderColor(QColor color) |
|
280 | 280 | { |
|
281 | 281 | QPen p = d_ptr->m_pen; |
|
282 | 282 | if (p.color() != color) { |
|
283 | 283 | p.setColor(color); |
|
284 | 284 | setPen(p); |
|
285 | 285 | } |
|
286 | 286 | } |
|
287 | 287 | |
|
288 | 288 | QColor QLegend::borderColor() |
|
289 | 289 | { |
|
290 | 290 | return d_ptr->m_pen.color(); |
|
291 | 291 | } |
|
292 | 292 | |
|
293 | 293 | /*! |
|
294 | 294 | Set brush used to draw labels to \a brush. |
|
295 | 295 | */ |
|
296 | 296 | void QLegend::setLabelBrush(const QBrush &brush) |
|
297 | 297 | { |
|
298 | 298 | if (d_ptr->m_labelBrush != brush) { |
|
299 | 299 | d_ptr->m_labelBrush = brush; |
|
300 | 300 | foreach (LegendMarker *marker, d_ptr->markers()) { |
|
301 | 301 | marker->setLabelBrush(d_ptr->m_labelBrush); |
|
302 | 302 | // Note: The pen of the marker rectangle could be exposed in the public QLegend API |
|
303 | 303 | // instead of mapping it from label brush color |
|
304 | 304 | marker->setPen(brush.color()); |
|
305 | 305 | } |
|
306 | 306 | emit labelColorChanged(brush.color()); |
|
307 | 307 | } |
|
308 | 308 | } |
|
309 | 309 | |
|
310 | 310 | /*! |
|
311 | 311 | Brush used to draw labels. |
|
312 | 312 | */ |
|
313 | 313 | QBrush QLegend::labelBrush() const |
|
314 | 314 | { |
|
315 | 315 | return d_ptr->m_labelBrush; |
|
316 | 316 | } |
|
317 | 317 | |
|
318 | 318 | void QLegend::setLabelColor(QColor color) |
|
319 | 319 | { |
|
320 | 320 | QBrush b = d_ptr->m_labelBrush; |
|
321 | 321 | if (b.style() != Qt::SolidPattern || b.color() != color) { |
|
322 | 322 | b.setStyle(Qt::SolidPattern); |
|
323 | 323 | b.setColor(color); |
|
324 | 324 | setLabelBrush(b); |
|
325 | 325 | } |
|
326 | 326 | } |
|
327 | 327 | |
|
328 | 328 | QColor QLegend::labelColor() const |
|
329 | 329 | { |
|
330 | 330 | return d_ptr->m_labelBrush.color(); |
|
331 | 331 | } |
|
332 | 332 | |
|
333 | 333 | |
|
334 | 334 | void QLegend::setAlignment(Qt::Alignment alignment) |
|
335 | 335 | { |
|
336 | 336 | if(d_ptr->m_alignment!=alignment) { |
|
337 | 337 | d_ptr->m_alignment = alignment; |
|
338 | 338 | updateGeometry(); |
|
339 | 339 | if(isAttachedToChart()){ |
|
340 | 340 | d_ptr->m_presenter->layout()->invalidate(); |
|
341 | 341 | }else{ |
|
342 | 342 | layout()->invalidate(); |
|
343 | 343 | } |
|
344 | 344 | } |
|
345 | 345 | } |
|
346 | 346 | |
|
347 | 347 | Qt::Alignment QLegend::alignment() const |
|
348 | 348 | { |
|
349 | 349 | return d_ptr->m_alignment; |
|
350 | 350 | } |
|
351 | 351 | |
|
352 | 352 | /*! |
|
353 | 353 | Detaches the legend from chart. Chart won't change layout of the legend. |
|
354 | 354 | */ |
|
355 | 355 | void QLegend::detachFromChart() |
|
356 | 356 | { |
|
357 | 357 | d_ptr->m_attachedToChart = false; |
|
358 | 358 | d_ptr->m_layout->invalidate(); |
|
359 | 359 | setParent(0); |
|
360 | 360 | |
|
361 | 361 | } |
|
362 | 362 | |
|
363 | 363 | /*! |
|
364 | 364 | Attaches the legend to chart. Chart may change layout of the legend. |
|
365 | 365 | */ |
|
366 | 366 | void QLegend::attachToChart() |
|
367 | 367 | { |
|
368 | 368 | d_ptr->m_attachedToChart = true; |
|
369 | 369 | d_ptr->m_layout->invalidate(); |
|
370 | 370 | setParent(d_ptr->m_chart); |
|
371 | 371 | } |
|
372 | 372 | |
|
373 | 373 | /*! |
|
374 | 374 | Returns true, if legend is attached to chart. |
|
375 | 375 | */ |
|
376 | 376 | bool QLegend::isAttachedToChart() |
|
377 | 377 | { |
|
378 | 378 | return d_ptr->m_attachedToChart; |
|
379 | 379 | } |
|
380 | 380 | |
|
381 | 381 | /*! |
|
382 | 382 | Sets the visibility of legend background to \a visible |
|
383 | 383 | */ |
|
384 | 384 | void QLegend::setBackgroundVisible(bool visible) |
|
385 | 385 | { |
|
386 | 386 | if(d_ptr->m_backgroundVisible != visible) { |
|
387 | 387 | d_ptr->m_backgroundVisible = visible; |
|
388 | 388 | update(); |
|
389 | 389 | emit backgroundVisibleChanged(visible); |
|
390 | 390 | } |
|
391 | 391 | } |
|
392 | 392 | |
|
393 | 393 | /*! |
|
394 | 394 | Returns the visibility of legend background |
|
395 | 395 | */ |
|
396 | 396 | bool QLegend::isBackgroundVisible() const |
|
397 | 397 | { |
|
398 | 398 | return d_ptr->m_backgroundVisible; |
|
399 | 399 | } |
|
400 | 400 | |
|
401 | 401 | /*! |
|
402 | 402 | \internal \a event see QGraphicsWidget for details |
|
403 | 403 | */ |
|
404 | 404 | void QLegend::hideEvent(QHideEvent *event) |
|
405 | 405 | { |
|
406 | QGraphicsWidget::hideEvent(event); | |
|
407 | d_ptr->m_presenter->layout()->invalidate(); | |
|
406 | d_ptr->m_presenter->layout()->invalidate(); | |
|
407 | QGraphicsWidget::hideEvent(event); | |
|
408 | 408 | } |
|
409 | 409 | |
|
410 | 410 | /*! |
|
411 | 411 | \internal \a event see QGraphicsWidget for details |
|
412 | 412 | */ |
|
413 | 413 | void QLegend::showEvent(QShowEvent *event) |
|
414 | 414 | { |
|
415 | QGraphicsWidget::showEvent(event); | |
|
416 | d_ptr->m_presenter->layout()->invalidate(); | |
|
415 | d_ptr->m_presenter->layout()->invalidate(); | |
|
416 | QGraphicsWidget::showEvent(event); | |
|
417 | 417 | } |
|
418 | 418 | |
|
419 | 419 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
|
420 | 420 | |
|
421 | 421 | QLegendPrivate::QLegendPrivate(ChartPresenter* presenter, QChart *chart, QLegend *q): |
|
422 | 422 | q_ptr(q), |
|
423 | 423 | m_presenter(presenter), |
|
424 | 424 | m_layout(new LegendLayout(q)), |
|
425 | 425 | m_chart(chart), |
|
426 | 426 | m_items(new QGraphicsItemGroup(q)), |
|
427 | 427 | m_alignment(Qt::AlignTop), |
|
428 | 428 | m_brush(QBrush()), |
|
429 | 429 | m_pen(QPen()), |
|
430 | 430 | m_labelBrush(QBrush()), |
|
431 | 431 | m_diameter(5), |
|
432 | 432 | m_attachedToChart(true), |
|
433 | 433 | m_backgroundVisible(false) |
|
434 | 434 | { |
|
435 | 435 | |
|
436 | 436 | } |
|
437 | 437 | |
|
438 | 438 | QLegendPrivate::~QLegendPrivate() |
|
439 | 439 | { |
|
440 | 440 | |
|
441 | 441 | } |
|
442 | 442 | |
|
443 | 443 | void QLegendPrivate::setOffset(qreal x, qreal y) |
|
444 | 444 | { |
|
445 | 445 | m_layout->setOffset(x,y); |
|
446 | 446 | } |
|
447 | 447 | |
|
448 | 448 | QPointF QLegendPrivate::offset() const |
|
449 | 449 | { |
|
450 | 450 | return m_layout->offset(); |
|
451 | 451 | } |
|
452 | 452 | |
|
453 | 453 | int QLegendPrivate::roundness(qreal size) |
|
454 | 454 | { |
|
455 | 455 | return 100*m_diameter/int(size); |
|
456 | 456 | } |
|
457 | 457 | |
|
458 | 458 | void QLegendPrivate::handleSeriesAdded(QAbstractSeries *series, Domain *domain) |
|
459 | 459 | { |
|
460 | 460 | Q_UNUSED(domain) |
|
461 | 461 | |
|
462 | 462 | QList<LegendMarker*> markers = series->d_ptr->createLegendMarker(q_ptr); |
|
463 | 463 | |
|
464 | 464 | foreach(LegendMarker* marker, markers) { |
|
465 | 465 | marker->setFont(m_font); |
|
466 | 466 | marker->setLabelBrush(m_labelBrush); |
|
467 | 467 | marker->setVisible(series->isVisible()); |
|
468 | 468 | m_items->addToGroup(marker); |
|
469 | 469 | m_markers<<marker; |
|
470 | 470 | } |
|
471 | 471 | |
|
472 | 472 | QObject::connect(series, SIGNAL(visibleChanged()), this, SLOT(handleSeriesVisibleChanged())); |
|
473 | 473 | |
|
474 | 474 | if(series->type() == QAbstractSeries::SeriesTypePie) { |
|
475 | 475 | QPieSeries *pieSeries = static_cast<QPieSeries *>(series); |
|
476 | 476 | QObject::connect(pieSeries, SIGNAL(added(QList<QPieSlice*>)), this, SLOT(handleUpdatePieSeries())); |
|
477 | 477 | QObject::connect(pieSeries, SIGNAL(removed(QList<QPieSlice*>)), this, SLOT(handleUpdatePieSeries())); |
|
478 | 478 | } |
|
479 | 479 | |
|
480 | 480 | q_ptr->layout()->invalidate(); |
|
481 | 481 | q_ptr->layout()->activate(); |
|
482 | 482 | } |
|
483 | 483 | |
|
484 | 484 | void QLegendPrivate::handleSeriesRemoved(QAbstractSeries *series) |
|
485 | 485 | { |
|
486 | 486 | foreach (LegendMarker *marker, m_markers) { |
|
487 | 487 | if (marker->series() == series) { |
|
488 | 488 | delete marker; |
|
489 | 489 | m_markers.removeAll(marker); |
|
490 | 490 | } |
|
491 | 491 | } |
|
492 | 492 | |
|
493 | 493 | if(series->type() == QAbstractSeries::SeriesTypePie) |
|
494 | 494 | { |
|
495 | 495 | QPieSeries *pieSeries = static_cast<QPieSeries *>(series); |
|
496 | 496 | QObject::disconnect(pieSeries, SIGNAL(added(QList<QPieSlice*>)), this, SLOT(handleUpdatePieSeries())); |
|
497 | 497 | QObject::disconnect(pieSeries, SIGNAL(removed(QList<QPieSlice*>)), this, SLOT(handleUpdatePieSeries())); |
|
498 | 498 | } |
|
499 | 499 | |
|
500 | 500 | q_ptr->layout()->invalidate(); |
|
501 | 501 | } |
|
502 | 502 | |
|
503 | 503 | void QLegendPrivate::handleSeriesUpdated(QAbstractSeries *series) |
|
504 | 504 | { |
|
505 | 505 | // TODO: find out which markers are are added or removed. Update them |
|
506 | 506 | // TODO: better implementation |
|
507 | 507 | handleSeriesRemoved(series); |
|
508 | 508 | Domain domain; |
|
509 | 509 | handleSeriesAdded(series, &domain); |
|
510 | 510 | } |
|
511 | 511 | |
|
512 | 512 | void QLegendPrivate::handleUpdatePieSeries() |
|
513 | 513 | { |
|
514 | 514 | //TODO: reimplement to be optimal |
|
515 | 515 | QPieSeries* series = qobject_cast<QPieSeries *> (sender()); |
|
516 | 516 | Q_ASSERT(series); |
|
517 | 517 | handleSeriesRemoved(series); |
|
518 | 518 | handleSeriesAdded(series, 0); |
|
519 | 519 | } |
|
520 | 520 | |
|
521 | 521 | void QLegendPrivate::handleSeriesVisibleChanged() |
|
522 | 522 | { |
|
523 | 523 | QAbstractSeries* series = qobject_cast<QAbstractSeries *> (sender()); |
|
524 | 524 | |
|
525 | 525 | foreach (LegendMarker* marker, m_markers) { |
|
526 | 526 | if (marker->series() == series) { |
|
527 | 527 | marker->setVisible(series->isVisible()); |
|
528 | 528 | } |
|
529 | 529 | } |
|
530 | 530 | |
|
531 | 531 | q_ptr->layout()->invalidate(); |
|
532 | 532 | } |
|
533 | 533 | |
|
534 | 534 | #include "moc_qlegend.cpp" |
|
535 | 535 | #include "moc_qlegend_p.cpp" |
|
536 | 536 | |
|
537 | 537 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,111 +1,110 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #ifndef QLEGEND_H |
|
22 | 22 | #define QLEGEND_H |
|
23 | 23 | |
|
24 | 24 | #include <qchartglobal.h> |
|
25 | 25 | #include <QGraphicsWidget> |
|
26 | 26 | #include <QPen> |
|
27 | 27 | #include <QBrush> |
|
28 | 28 | |
|
29 | 29 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
30 | 30 | |
|
31 | 31 | class Domain; |
|
32 | 32 | class LegendMarker; |
|
33 | 33 | class QPieSlice; |
|
34 | 34 | class QXYSeries; |
|
35 | 35 | class QBarSet; |
|
36 | 36 | class QAbstractBarSeries; |
|
37 | 37 | class QPieSeries; |
|
38 | 38 | class QAreaSeries; |
|
39 | 39 | class LegendScrollButton; |
|
40 | 40 | class QChart; |
|
41 | 41 | class QLegendPrivate; |
|
42 | 42 | |
|
43 | 43 | class QTCOMMERCIALCHART_EXPORT QLegend : public QGraphicsWidget |
|
44 | 44 | { |
|
45 | 45 | Q_OBJECT |
|
46 | 46 | Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment) |
|
47 | 47 | Q_PROPERTY(bool backgroundVisible READ isBackgroundVisible WRITE setBackgroundVisible NOTIFY backgroundVisibleChanged) |
|
48 | 48 | Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged) |
|
49 | 49 | Q_PROPERTY(QColor borderColor READ borderColor WRITE setBorderColor NOTIFY borderColorChanged) |
|
50 | 50 | Q_PROPERTY(QFont font READ font WRITE setFont NOTIFY fontChanged) |
|
51 | 51 | Q_PROPERTY(QColor labelColor READ labelColor WRITE setLabelColor NOTIFY labelColorChanged) |
|
52 | 52 | |
|
53 | 53 | private: |
|
54 | 54 | explicit QLegend(QChart *chart); |
|
55 | 55 | |
|
56 | 56 | public: |
|
57 | 57 | ~QLegend(); |
|
58 | 58 | |
|
59 | 59 | void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0); |
|
60 | 60 | |
|
61 | 61 | void setBrush(const QBrush &brush); |
|
62 | 62 | QBrush brush() const; |
|
63 | 63 | void setColor(QColor color); |
|
64 | 64 | QColor color(); |
|
65 | 65 | |
|
66 | 66 | void setPen(const QPen &pen); |
|
67 | 67 | QPen pen() const; |
|
68 | 68 | void setBorderColor(QColor color); |
|
69 | 69 | QColor borderColor(); |
|
70 | 70 | |
|
71 | 71 | void setFont(const QFont &font); |
|
72 | 72 | QFont font() const; |
|
73 | 73 | void setLabelBrush(const QBrush &brush); |
|
74 | 74 | QBrush labelBrush() const; |
|
75 | 75 | |
|
76 | 76 | void setLabelColor(QColor color); |
|
77 | 77 | QColor labelColor() const; |
|
78 | 78 | |
|
79 | 79 | void setAlignment(Qt::Alignment alignment); |
|
80 | 80 | Qt::Alignment alignment() const; |
|
81 | 81 | |
|
82 | 82 | void detachFromChart(); |
|
83 | 83 | void attachToChart(); |
|
84 | 84 | bool isAttachedToChart(); |
|
85 | 85 | |
|
86 | 86 | void setBackgroundVisible(bool visible = true); |
|
87 | 87 | bool isBackgroundVisible() const; |
|
88 | 88 | |
|
89 | ||
|
90 | 89 | protected: |
|
91 | 90 | void hideEvent(QHideEvent *event); |
|
92 | 91 | void showEvent(QShowEvent *event); |
|
93 | 92 | |
|
94 | 93 | Q_SIGNALS: |
|
95 | 94 | void backgroundVisibleChanged(bool visible); |
|
96 | 95 | void colorChanged(QColor color); |
|
97 | 96 | void borderColorChanged(QColor color); |
|
98 | 97 | void fontChanged(QFont font); |
|
99 | 98 | void labelColorChanged(QColor color); |
|
100 | 99 | |
|
101 | 100 | private: |
|
102 | 101 | QScopedPointer<QLegendPrivate> d_ptr; |
|
103 | 102 | Q_DISABLE_COPY(QLegend) |
|
104 | 103 | friend class LegendScroller; |
|
105 | 104 | friend class LegendLayout; |
|
106 | 105 | friend class ChartLayout; |
|
107 | 106 | }; |
|
108 | 107 | |
|
109 | 108 | QTCOMMERCIALCHART_END_NAMESPACE |
|
110 | 109 | |
|
111 | 110 | #endif // QLEGEND_H |
General Comments 0
You need to be logged in to leave comments.
Login now