@@ -1,211 +1,210 | |||
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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 "horizontalaxis_p.h" |
|
22 | 22 | #include "qabstractaxis.h" |
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23 | 23 | #include <QFontMetrics> |
|
24 | 24 | #include <qmath.h> |
|
25 | 25 | #include <QDebug> |
|
26 | 26 | |
|
27 | 27 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
28 | 28 | |
|
29 | 29 | HorizontalAxis::HorizontalAxis(QAbstractAxis *axis, ChartPresenter *presenter, bool intervalAxis) |
|
30 | 30 | : ChartAxis(axis, presenter, intervalAxis) |
|
31 | 31 | { |
|
32 | 32 | } |
|
33 | 33 | |
|
34 | 34 | HorizontalAxis::~HorizontalAxis() |
|
35 | 35 | { |
|
36 | 36 | } |
|
37 | 37 | |
|
38 | 38 | void HorizontalAxis::updateGeometry() |
|
39 | 39 | { |
|
40 | 40 | const QVector<qreal>& layout = ChartAxis::layout(); |
|
41 | 41 | |
|
42 | 42 | if (layout.isEmpty()) |
|
43 | 43 | return; |
|
44 | 44 | |
|
45 | 45 | QStringList labelList = labels(); |
|
46 | 46 | |
|
47 | 47 | QList<QGraphicsItem *> lines = lineItems(); |
|
48 | 48 | QList<QGraphicsItem *> labels = labelItems(); |
|
49 | 49 | QList<QGraphicsItem *> shades = shadeItems(); |
|
50 | 50 | QList<QGraphicsItem *> axis = arrowItems(); |
|
51 | 51 | QGraphicsSimpleTextItem* title = titleItem(); |
|
52 | 52 | |
|
53 | 53 | Q_ASSERT(labels.size() == labelList.size()); |
|
54 | 54 | Q_ASSERT(layout.size() == labelList.size()); |
|
55 | 55 | |
|
56 | 56 | const QRectF &axisRect = axisGeometry(); |
|
57 | 57 | const QRectF &gridRect = gridGeometry(); |
|
58 | 58 | |
|
59 | 59 | //arrow |
|
60 | 60 | QGraphicsLineItem *arrowItem = static_cast<QGraphicsLineItem *>(axis.at(0)); |
|
61 | 61 | |
|
62 | 62 | if (alignment() == Qt::AlignTop) |
|
63 | 63 | arrowItem->setLine(gridRect.left(), axisRect.bottom(), gridRect.right(), axisRect.bottom()); |
|
64 | 64 | else if (alignment() == Qt::AlignBottom) |
|
65 | 65 | arrowItem->setLine(gridRect.left(), axisRect.top(), gridRect.right(), axisRect.top()); |
|
66 | 66 | |
|
67 | 67 | qreal width = 0; |
|
68 | 68 | QFontMetrics fn(font()); |
|
69 | 69 | |
|
70 | //title | |
|
71 | ||
|
72 | if (!titleText().isNull()) { | |
|
73 | QFontMetrics fn(title->font()); | |
|
74 | ||
|
75 | int size(0); | |
|
76 | ||
|
77 | size = gridRect.width(); | |
|
78 | QString titleText = this->titleText(); | |
|
79 | ||
|
80 | if (fn.boundingRect(titleText).width() > size) { | |
|
81 | QString string = titleText + "..."; | |
|
82 | while (fn.boundingRect(string).width() > size && string.length() > 3) | |
|
83 | string.remove(string.length() - 4, 1); | |
|
84 | title->setText(string); | |
|
85 | } else { | |
|
86 | title->setText(titleText); | |
|
87 | } | |
|
88 | ||
|
89 | QPointF center = gridRect.center() - title->boundingRect().center(); | |
|
90 | if (alignment() == Qt::AlignTop) { | |
|
91 | title->setPos(center.x(), axisRect.top()); | |
|
92 | } else if (alignment() == Qt::AlignBottom) { | |
|
93 | title->setPos(center.x(), axisRect.bottom() - title->boundingRect().height()); | |
|
94 | } | |
|
95 | } | |
|
96 | ||
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70 | 97 | for (int i = 0; i < layout.size(); ++i) { |
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71 | 98 | |
|
72 | 99 | //items |
|
73 | 100 | QGraphicsLineItem *gridItem = static_cast<QGraphicsLineItem*>(lines.at(i)); |
|
74 | 101 | QGraphicsLineItem *tickItem = static_cast<QGraphicsLineItem*>(axis.at(i + 1)); |
|
75 | 102 | QGraphicsSimpleTextItem *labelItem = static_cast<QGraphicsSimpleTextItem *>(labels.at(i)); |
|
76 | 103 | |
|
77 | 104 | //grid line |
|
78 | 105 | gridItem->setLine(layout[i], gridRect.top(), layout[i], gridRect.bottom()); |
|
79 | 106 | |
|
80 | 107 | //label text wrapping |
|
81 | 108 | if(intervalAxis()&& i+1!=layout.size()) { |
|
82 | 109 | //wrapping in case of interval axis |
|
83 | 110 | const qreal delta = layout[i+1] - layout[i]; |
|
84 | 111 | QString text = labelList.at(i); |
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85 | 112 | if (fn.boundingRect(text).width() + 1 > delta ) |
|
86 | 113 | { |
|
87 | 114 | QString label = text + "..."; |
|
88 | 115 | while (fn.boundingRect(label).width() >= delta && label.length() > 3) |
|
89 | 116 | label.remove(label.length() - 4, 1); |
|
90 | 117 | labelItem->setText(label); |
|
91 | 118 | } |
|
92 | 119 | else { |
|
93 | 120 | labelItem->setText(text); |
|
94 | 121 | } |
|
95 | 122 | }else{ |
|
96 | 123 | labelItem->setText(labelList.at(i)); |
|
97 | 124 | } |
|
98 | 125 | |
|
99 | 126 | //label transformation origin point |
|
100 | 127 | const QRectF& rect = labelItem->boundingRect(); |
|
101 | 128 | QPointF center = rect.center(); |
|
102 | 129 | labelItem->setTransformOriginPoint(center.x(), center.y()); |
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103 | 130 | |
|
104 | 131 | //ticks and label position |
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105 | 132 | if (alignment() == Qt::AlignTop) { |
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106 | 133 | labelItem->setPos(layout[i] - center.x(), axisRect.bottom() - rect.height() - labelPadding()); |
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107 | 134 | tickItem->setLine(layout[i], axisRect.bottom(), layout[i], axisRect.bottom() - labelPadding()); |
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108 | 135 | } else if (alignment() == Qt::AlignBottom) { |
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109 | 136 | labelItem->setPos(layout[i] - center.x(), axisRect.top() + labelPadding()); |
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110 | 137 | tickItem->setLine(layout[i], axisRect.top(), layout[i], axisRect.top() + labelPadding()); |
|
111 | 138 | } |
|
112 | 139 | |
|
113 | 140 | //label in beetwen |
|
114 | 141 | if(intervalAxis()&& i+1!=layout.size()) { |
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115 | 142 | const qreal delta = (layout[i+1] - layout[i])/2; |
|
116 | 143 | labelItem->setPos(layout[i] + delta - center.x(), labelItem->pos().y()); |
|
117 | 144 | } |
|
118 | 145 | |
|
119 | 146 | //label overlap detection |
|
120 | 147 | if(labelItem->pos().x() < width || |
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121 | 148 | labelItem->pos().x() < axisRect.left() || |
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122 | 149 | labelItem->pos().x() + rect.width() > axisRect.right()) { |
|
123 | 150 | labelItem->setVisible(false); |
|
124 | 151 | } else { |
|
125 | 152 | labelItem->setVisible(true); |
|
126 | 153 | width=rect.width()+labelItem->pos().x(); |
|
127 | 154 | } |
|
128 | 155 | |
|
129 | 156 | //shades |
|
130 | 157 | if ((i + 1) % 2 && i > 1) { |
|
131 | 158 | QGraphicsRectItem *rectItem = static_cast<QGraphicsRectItem *>(shades.at(i / 2 - 1)); |
|
132 | 159 | rectItem->setRect(layout[i - 1], gridRect.top(), layout[i] - layout[i - 1], gridRect.height()); |
|
133 | 160 | } |
|
134 | 161 | |
|
135 | 162 | // check if the grid line and the axis tick should be shown |
|
136 | 163 | qreal x = gridItem->line().p1().x(); |
|
137 | 164 | if (x < gridRect.left() || x > gridRect.right()) { |
|
138 | 165 | gridItem->setVisible(false); |
|
139 | 166 | tickItem->setVisible(false); |
|
140 | 167 | }else{ |
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141 | 168 | gridItem->setVisible(true); |
|
142 | 169 | tickItem->setVisible(true); |
|
143 | 170 | } |
|
144 | 171 | |
|
145 | 172 | } |
|
146 | 173 | |
|
147 | 174 | //begin/end grid line in case labels between |
|
148 | 175 | if (intervalAxis()) { |
|
149 | 176 | QGraphicsLineItem *gridLine; |
|
150 | 177 | gridLine = static_cast<QGraphicsLineItem *>(lines.at(layout.size())); |
|
151 | 178 | gridLine->setLine(gridRect.right(), gridRect.top(), gridRect.right(), gridRect.bottom()); |
|
152 | 179 | gridLine->setVisible(true); |
|
153 | 180 | gridLine = static_cast<QGraphicsLineItem*>(lines.at(layout.size()+1)); |
|
154 | 181 | gridLine->setLine(gridRect.left(), gridRect.top(), gridRect.left(), gridRect.bottom()); |
|
155 | 182 | gridLine->setVisible(true); |
|
156 | 183 | } |
|
157 | ||
|
158 | //title | |
|
159 | ||
|
160 | if (!titleText().isNull()) { | |
|
161 | QFontMetrics fn(title->font()); | |
|
162 | ||
|
163 | int size(0); | |
|
164 | ||
|
165 | size = gridRect.width(); | |
|
166 | QString titleText = this->titleText(); | |
|
167 | ||
|
168 | if (fn.boundingRect(titleText).width() > size) { | |
|
169 | QString string = titleText + "..."; | |
|
170 | while (fn.boundingRect(string).width() > size && string.length() > 3) | |
|
171 | string.remove(string.length() - 4, 1); | |
|
172 | title->setText(string); | |
|
173 | } else { | |
|
174 | title->setText(titleText); | |
|
175 | } | |
|
176 | ||
|
177 | QPointF center = gridRect.center() - title->boundingRect().center(); | |
|
178 | if (alignment() == Qt::AlignTop) { | |
|
179 | title->setPos(center.x(), axisRect.top()); | |
|
180 | } else if (alignment() == Qt::AlignBottom) { | |
|
181 | title->setPos(center.x(), axisRect.bottom() - title->boundingRect().height()); | |
|
182 | } | |
|
183 | } | |
|
184 | ||
|
185 | 184 | } |
|
186 | 185 | |
|
187 | 186 | QSizeF HorizontalAxis::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const |
|
188 | 187 | { |
|
189 | 188 | Q_UNUSED(constraint); |
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190 | 189 | QFontMetrics fn(titleFont()); |
|
191 | 190 | QSizeF sh; |
|
192 | 191 | |
|
193 | 192 | if (titleText().isNull()) |
|
194 | 193 | return sh; |
|
195 | 194 | |
|
196 | 195 | switch (which) { |
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197 | 196 | case Qt::MinimumSize: |
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198 | 197 | sh = QSizeF(fn.boundingRect("...").width(), fn.height()); |
|
199 | 198 | break; |
|
200 | 199 | case Qt::MaximumSize: |
|
201 | 200 | case Qt::PreferredSize: |
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202 | 201 | sh = QSizeF(fn.boundingRect(axis()->title()).width(), fn.height()); |
|
203 | 202 | break; |
|
204 | 203 | default: |
|
205 | 204 | break; |
|
206 | 205 | } |
|
207 | 206 | |
|
208 | 207 | return sh; |
|
209 | 208 | } |
|
210 | 209 | |
|
211 | 210 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,209 +1,212 | |||
|
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 "verticalaxis_p.h" |
|
22 | 22 | #include "qabstractaxis.h" |
|
23 | 23 | #include <QFontMetrics> |
|
24 | 24 | #include <QDebug> |
|
25 | 25 | |
|
26 | 26 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
27 | 27 | |
|
28 | 28 | VerticalAxis::VerticalAxis(QAbstractAxis *axis, ChartPresenter *presenter, bool intervalAxis) |
|
29 | 29 | : ChartAxis(axis, presenter, intervalAxis) |
|
30 | 30 | { |
|
31 | 31 | |
|
32 | 32 | } |
|
33 | 33 | |
|
34 | 34 | VerticalAxis::~VerticalAxis() |
|
35 | 35 | { |
|
36 | 36 | |
|
37 | 37 | } |
|
38 | 38 | |
|
39 | 39 | void VerticalAxis::updateGeometry() |
|
40 | 40 | { |
|
41 | 41 | const QVector<qreal> &layout = ChartAxis::layout(); |
|
42 | 42 | |
|
43 | 43 | if (layout.isEmpty()) |
|
44 | 44 | return; |
|
45 | 45 | |
|
46 | 46 | QStringList labelList = labels(); |
|
47 | 47 | |
|
48 | 48 | QList<QGraphicsItem *> lines = lineItems(); |
|
49 | 49 | QList<QGraphicsItem *> labels = labelItems(); |
|
50 | 50 | QList<QGraphicsItem *> shades = shadeItems(); |
|
51 | 51 | QList<QGraphicsItem *> axis = arrowItems(); |
|
52 | 52 | QGraphicsSimpleTextItem* title = titleItem(); |
|
53 | 53 | |
|
54 | 54 | Q_ASSERT(labels.size() == labelList.size()); |
|
55 | 55 | Q_ASSERT(layout.size() == labelList.size()); |
|
56 | 56 | |
|
57 | 57 | const QRectF &axisRect = axisGeometry(); |
|
58 | 58 | const QRectF &gridRect = gridGeometry(); |
|
59 | 59 | |
|
60 | 60 | qreal height = axisRect.bottom(); |
|
61 | 61 | |
|
62 | 62 | |
|
63 | 63 | //arrow |
|
64 | 64 | QGraphicsLineItem *arrowItem = static_cast<QGraphicsLineItem*>(axis.at(0)); |
|
65 | 65 | |
|
66 | 66 | //arrow position |
|
67 | 67 | if (alignment()==Qt::AlignLeft) |
|
68 | 68 | arrowItem->setLine( axisRect.right() , gridRect.top(), axisRect.right(), gridRect.bottom()); |
|
69 | 69 | else if(alignment()==Qt::AlignRight) |
|
70 | 70 | arrowItem->setLine( axisRect.left() , gridRect.top(), axisRect.left(), gridRect.bottom()); |
|
71 | 71 | |
|
72 | 72 | QFontMetrics fn(font()); |
|
73 | 73 | |
|
74 | //title | |
|
75 | ||
|
76 | if (!titleText().isNull()) { | |
|
77 | QFontMetrics fn(title->font()); | |
|
78 | ||
|
79 | int size(0); | |
|
80 | size = gridRect.height(); | |
|
81 | QString titleText = this->titleText(); | |
|
82 | ||
|
83 | if (fn.boundingRect(titleText).width() > size) { | |
|
84 | QString string = titleText + "..."; | |
|
85 | while (fn.boundingRect(string).width() > size && string.length() > 3) | |
|
86 | string.remove(string.length() - 4, 1); | |
|
87 | title->setText(string); | |
|
88 | } | |
|
89 | else { | |
|
90 | title->setText(titleText); | |
|
91 | } | |
|
92 | ||
|
93 | QPointF center = gridRect.center() - title->boundingRect().center(); | |
|
94 | if (alignment() == Qt::AlignLeft) { | |
|
95 | title->setPos(axisRect.left() - title->boundingRect().width()/2 + title->boundingRect().height()/2 , center.y()); | |
|
96 | } | |
|
97 | else if (alignment() == Qt::AlignRight) { | |
|
98 | title->setPos(axisRect.right()- title->boundingRect().width()/2 - title->boundingRect().height()/2, center.y()); | |
|
99 | } | |
|
100 | title->setTransformOriginPoint(title->boundingRect().center()); | |
|
101 | title->setRotation(270); | |
|
102 | } | |
|
103 | ||
|
74 | 104 | for (int i = 0; i < layout.size(); ++i) { |
|
75 | 105 | |
|
76 | 106 | //items |
|
77 | 107 | QGraphicsLineItem *gridItem = static_cast<QGraphicsLineItem *>(lines.at(i)); |
|
78 | 108 | QGraphicsLineItem *tickItem = static_cast<QGraphicsLineItem *>(axis.at(i + 1)); |
|
79 | 109 | QGraphicsSimpleTextItem *labelItem = static_cast<QGraphicsSimpleTextItem *>(labels.at(i)); |
|
80 | 110 | |
|
81 | 111 | //grid line |
|
82 | 112 | gridItem->setLine(gridRect.left() , layout[i], gridRect.right(), layout[i]); |
|
83 | 113 | |
|
84 | 114 | //label text wrapping |
|
85 | 115 | QString text = labelList.at(i); |
|
86 |
|
|
|
116 | qreal size = axisRect.right() - axisRect.left() - labelPadding() - title->boundingRect().height(); | |
|
117 | if (fn.boundingRect(text).width() > size) { | |
|
87 | 118 | QString label = text + "..."; |
|
88 |
while (fn.boundingRect(label).width() > |
|
|
119 | while (fn.boundingRect(label).width() > size && label.length() > 3) | |
|
89 | 120 | label.remove(label.length() - 4, 1); |
|
90 | 121 | labelItem->setText(label); |
|
91 | 122 | } else { |
|
92 | 123 | labelItem->setText(text); |
|
93 | 124 | } |
|
94 | 125 | //label transformation origin point |
|
95 | 126 | const QRectF &rect = labelItem->boundingRect(); |
|
96 | 127 | |
|
97 | 128 | QPointF center = rect.center(); |
|
98 | 129 | labelItem->setTransformOriginPoint(center.x(), center.y()); |
|
99 | 130 | |
|
100 | 131 | //ticks and label position |
|
101 | 132 | if (alignment() == Qt::AlignLeft) { |
|
102 | 133 | labelItem->setPos(axisRect.right() - rect.width() - labelPadding() , layout[i] - center.y()); |
|
103 | 134 | tickItem->setLine(axisRect.right() - labelPadding(), layout[i], axisRect.right(), layout[i]); |
|
104 | 135 | } else if (alignment() == Qt::AlignRight) { |
|
105 | 136 | labelItem->setPos(axisRect.left() + labelPadding() , layout[i] - center.y()); |
|
106 | 137 | tickItem->setLine(axisRect.left(), layout[i], axisRect.left() + labelPadding(), layout[i]); |
|
107 | 138 | } |
|
108 | 139 | |
|
109 | 140 | //label in beetwen |
|
110 | 141 | if(intervalAxis()&& i+1!=layout.size()) { |
|
111 | 142 | const qreal delta = (layout[i+1] - layout[i])/2; |
|
112 | 143 | labelItem->setPos(labelItem->pos().x() , layout[i] + delta - center.y()); |
|
113 | 144 | } |
|
114 | 145 | |
|
115 | 146 | //label overlap detection |
|
116 | 147 | if(labelItem->pos().y() + rect.height() > height || |
|
117 | 148 | labelItem->pos().y() + rect.height()/2 > gridRect.bottom() || |
|
118 | 149 | labelItem->pos().y() + rect.height()/2 < gridRect.top()) { |
|
119 | 150 | labelItem->setVisible(false); |
|
120 | 151 | } |
|
121 | 152 | else { |
|
122 | 153 | labelItem->setVisible(true); |
|
123 | 154 | height=labelItem->pos().y(); |
|
124 | 155 | } |
|
125 | 156 | |
|
126 | 157 | //shades |
|
127 | 158 | if ((i + 1) % 2 && i > 1) { |
|
128 | 159 | QGraphicsRectItem *rectItem = static_cast<QGraphicsRectItem *>(shades.at(i / 2 - 1)); |
|
129 | 160 | rectItem->setRect(gridRect.left(), layout[i], gridRect.width(), layout[i - 1] - layout[i]); |
|
130 | 161 | } |
|
131 | 162 | |
|
132 | 163 | // check if the grid line and the axis tick should be shown |
|
133 | 164 | qreal y = gridItem->line().p1().y(); |
|
134 | 165 | if ((y < gridRect.top() || y > gridRect.bottom())) |
|
135 | 166 | { |
|
136 | 167 | gridItem->setVisible(false); |
|
137 | 168 | tickItem->setVisible(false); |
|
138 | 169 | }else{ |
|
139 | 170 | gridItem->setVisible(true); |
|
140 | 171 | tickItem->setVisible(true); |
|
141 | 172 | } |
|
142 | 173 | |
|
143 | 174 | } |
|
144 | 175 | //begin/end grid line in case labels between |
|
145 | 176 | if (intervalAxis()) { |
|
146 | 177 | QGraphicsLineItem *gridLine; |
|
147 | 178 | gridLine = static_cast<QGraphicsLineItem *>(lines.at(layout.size())); |
|
148 | 179 | gridLine->setLine(gridRect.left(), gridRect.top(), gridRect.right(), gridRect.top()); |
|
149 | 180 | gridLine->setVisible(true); |
|
150 | 181 | gridLine = static_cast<QGraphicsLineItem*>(lines.at(layout.size()+1)); |
|
151 | 182 | gridLine->setLine(gridRect.left(), gridRect.bottom(), gridRect.right(), gridRect.bottom()); |
|
152 | 183 | gridLine->setVisible(true); |
|
153 | 184 | } |
|
154 | ||
|
155 | //title | |
|
156 | ||
|
157 | if (!titleText().isNull()) { | |
|
158 | QFontMetrics fn(title->font()); | |
|
159 | ||
|
160 | int size(0); | |
|
161 | size = gridRect.height(); | |
|
162 | QString titleText = this->titleText(); | |
|
163 | ||
|
164 | if (fn.boundingRect(titleText).width() > size) { | |
|
165 | QString string = titleText + "..."; | |
|
166 | while (fn.boundingRect(string).width() > size && string.length() > 3) | |
|
167 | string.remove(string.length() - 4, 1); | |
|
168 | title->setText(string); | |
|
169 | } else { | |
|
170 | title->setText(titleText); | |
|
171 | } | |
|
172 | ||
|
173 | QPointF center = gridRect.center() - title->boundingRect().center(); | |
|
174 | if (alignment() == Qt::AlignLeft) { | |
|
175 | title->setPos(axisRect.left() - title->boundingRect().width()/2 + title->boundingRect().height()/2 , center.y()); | |
|
176 | }else if (alignment() == Qt::AlignRight) { | |
|
177 | title->setPos(axisRect.right()- title->boundingRect().width()/2 - title->boundingRect().height()/2, center.y()); | |
|
178 | } | |
|
179 | title->setTransformOriginPoint(title->boundingRect().center()); | |
|
180 | title->setRotation(270); | |
|
181 | } | |
|
182 | 185 | } |
|
183 | 186 | |
|
184 | 187 | QSizeF VerticalAxis::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const |
|
185 | 188 | { |
|
186 | 189 | |
|
187 | 190 | Q_UNUSED(constraint); |
|
188 | 191 | QFontMetrics fn(titleFont()); |
|
189 | 192 | QSizeF sh; |
|
190 | 193 | |
|
191 | 194 | if (titleText().isNull()) |
|
192 | 195 | return sh; |
|
193 | 196 | |
|
194 | 197 | switch (which) { |
|
195 | 198 | case Qt::MinimumSize: |
|
196 | 199 | sh = QSizeF(fn.height(), fn.boundingRect("...").width()); |
|
197 | 200 | break; |
|
198 | 201 | case Qt::MaximumSize: |
|
199 | 202 | case Qt::PreferredSize: |
|
200 | 203 | sh = QSizeF(fn.height(), fn.boundingRect(axis()->title()).width()); |
|
201 | 204 | break; |
|
202 | 205 | default: |
|
203 | 206 | break; |
|
204 | 207 | } |
|
205 | 208 | |
|
206 | 209 | return sh; |
|
207 | 210 | } |
|
208 | 211 | |
|
209 | 212 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,351 +1,351 | |||
|
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 | 23 | #include "qlegend_p.h" |
|
24 | 24 | #include "chartaxis_p.h" |
|
25 | 25 | #include "charttitle_p.h" |
|
26 | 26 | #include "chartbackground_p.h" |
|
27 | 27 | #include "legendmarker_p.h" |
|
28 | 28 | #include <QDebug> |
|
29 | 29 | |
|
30 | 30 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
31 | 31 | |
|
32 |
static const qreal golden_ratio = 0. |
|
|
32 | static const qreal golden_ratio = 0.4; | |
|
33 | 33 | |
|
34 | 34 | ChartLayout::ChartLayout(ChartPresenter *presenter) |
|
35 | 35 | : m_presenter(presenter), |
|
36 | 36 | m_margins(20, 20, 20, 20), |
|
37 | 37 | m_minChartRect(0, 0, 200, 200) |
|
38 | 38 | { |
|
39 | 39 | |
|
40 | 40 | } |
|
41 | 41 | |
|
42 | 42 | ChartLayout::~ChartLayout() |
|
43 | 43 | { |
|
44 | 44 | |
|
45 | 45 | } |
|
46 | 46 | |
|
47 | 47 | void ChartLayout::setGeometry(const QRectF &rect) |
|
48 | 48 | { |
|
49 | 49 | if (!rect.isValid()) |
|
50 | 50 | return; |
|
51 | 51 | |
|
52 | 52 | QList<ChartAxis *> axes = m_presenter->axisItems(); |
|
53 | 53 | QList<ChartElement *> charts = m_presenter->chartItems(); |
|
54 | 54 | ChartTitle *title = m_presenter->titleElement(); |
|
55 | 55 | QLegend *legend = m_presenter->legend(); |
|
56 | 56 | ChartBackground *background = m_presenter->backgroundElement(); |
|
57 | 57 | |
|
58 | 58 | QRectF contentGeometry = calculateBackgroundGeometry(rect, background); |
|
59 | 59 | |
|
60 | 60 | contentGeometry = calculateContentGeometry(contentGeometry); |
|
61 | 61 | |
|
62 | 62 | if (title && title->isVisible()) |
|
63 | 63 | contentGeometry = calculateTitleGeometry(contentGeometry, title); |
|
64 | 64 | |
|
65 | 65 | if (legend->isAttachedToChart() && legend->isVisible()) |
|
66 | 66 | contentGeometry = calculateLegendGeometry(contentGeometry, legend); |
|
67 | 67 | |
|
68 | 68 | contentGeometry = calculateAxisGeometry(contentGeometry, axes); |
|
69 | 69 | |
|
70 | 70 | m_chartsRect = calculateChartsGeometry(contentGeometry, charts); |
|
71 | 71 | |
|
72 | 72 | QGraphicsLayout::setGeometry(rect); |
|
73 | 73 | } |
|
74 | 74 | |
|
75 | 75 | QRectF ChartLayout::calculateContentGeometry(const QRectF &geometry) const |
|
76 | 76 | { |
|
77 | 77 | return geometry.adjusted(m_margins.left(), m_margins.top(), -m_margins.right(), -m_margins.bottom()); |
|
78 | 78 | } |
|
79 | 79 | |
|
80 | 80 | QRectF ChartLayout::calculateContentMinimum(const QRectF &minimum) const |
|
81 | 81 | { |
|
82 | 82 | return minimum.adjusted(0, 0, m_margins.left() + m_margins.right(), m_margins.top() + m_margins.bottom()); |
|
83 | 83 | } |
|
84 | 84 | |
|
85 | 85 | |
|
86 | 86 | QRectF ChartLayout::calculateBackgroundGeometry(const QRectF &geometry, ChartBackground *background) const |
|
87 | 87 | { |
|
88 | 88 | qreal left, top, right, bottom; |
|
89 | 89 | getContentsMargins(&left, &top, &right, &bottom); |
|
90 | 90 | QRectF backgroundGeometry = geometry.adjusted(left, top, -right, -bottom); |
|
91 | 91 | if (background) |
|
92 | 92 | background->setRect(backgroundGeometry); |
|
93 | 93 | return backgroundGeometry; |
|
94 | 94 | } |
|
95 | 95 | |
|
96 | 96 | QRectF ChartLayout::calculateBackgroundMinimum(const QRectF &minimum) const |
|
97 | 97 | { |
|
98 | 98 | qreal left, top, right, bottom; |
|
99 | 99 | getContentsMargins(&left, &top, &right, &bottom); |
|
100 | 100 | return minimum.adjusted(0, 0, left + right, top + bottom); |
|
101 | 101 | } |
|
102 | 102 | |
|
103 | 103 | |
|
104 | 104 | QRectF ChartLayout::calculateAxisGeometry(const QRectF &geometry, const QList<ChartAxis *>& axes) const |
|
105 | 105 | { |
|
106 | 106 | QSizeF left(0,0); |
|
107 | 107 | QSizeF minLeft(0,0); |
|
108 | 108 | QSizeF right(0,0); |
|
109 | 109 | QSizeF minRight(0,0); |
|
110 | 110 | QSizeF bottom(0,0); |
|
111 | 111 | QSizeF minBottom(0,0); |
|
112 | 112 | QSizeF top(0,0); |
|
113 | 113 | QSizeF minTop(0,0); |
|
114 | 114 | int leftCount = 0; |
|
115 | 115 | int rightCount = 0; |
|
116 | 116 | int topCount = 0; |
|
117 | 117 | int bottomCount = 0; |
|
118 | 118 | |
|
119 | 119 | foreach (ChartAxis *axis , axes) { |
|
120 | 120 | |
|
121 | 121 | if (!axis->isVisible()) |
|
122 | 122 | continue; |
|
123 | 123 | |
|
124 | 124 | QSizeF size = axis->effectiveSizeHint(Qt::PreferredSize); |
|
125 | 125 | //this is used to get single thick font size |
|
126 | 126 | QSizeF minSize = axis->effectiveSizeHint(Qt::MinimumSize); |
|
127 | 127 | |
|
128 | 128 | switch (axis->alignment()) { |
|
129 | 129 | case Qt::AlignLeft: |
|
130 | 130 | left.setWidth(left.width()+size.width()); |
|
131 | 131 | left.setHeight(qMax(left.height(),size.height())); |
|
132 | 132 | minLeft.setWidth(minLeft.width()+minSize.width()); |
|
133 | 133 | minLeft.setHeight(qMax(minLeft.height(),minSize.height())); |
|
134 | 134 | leftCount++; |
|
135 | 135 | break; |
|
136 | 136 | case Qt::AlignRight: |
|
137 | 137 | right.setWidth(right.width()+size.width()); |
|
138 | 138 | right.setHeight(qMax(right.height(),size.height())); |
|
139 | 139 | minRight.setWidth(minRight.width()+minSize.width()); |
|
140 | 140 | minRight.setHeight(qMax(minRight.height(),minSize.height())); |
|
141 | 141 | rightCount++; |
|
142 | 142 | break; |
|
143 | 143 | case Qt::AlignTop: |
|
144 | 144 | top.setWidth(qMax(top.width(),size.width())); |
|
145 | 145 | top.setHeight(top.height()+size.height()); |
|
146 | 146 | minTop.setWidth(qMax(minTop.width(),minSize.width())); |
|
147 | 147 | minTop.setHeight(minTop.height()+minSize.height()); |
|
148 | 148 | topCount++; |
|
149 | 149 | break; |
|
150 | 150 | case Qt::AlignBottom: |
|
151 | 151 | bottom.setWidth(qMax(bottom.width(), size.width())); |
|
152 | 152 | bottom.setHeight(bottom.height() + size.height()); |
|
153 | 153 | minBottom.setWidth(qMax(minBottom.width(),minSize.width())); |
|
154 | 154 | minBottom.setHeight(minBottom.height() + minSize.height()); |
|
155 | 155 | bottomCount++; |
|
156 | 156 | break; |
|
157 | 157 | } |
|
158 | 158 | } |
|
159 | 159 | |
|
160 | 160 | int horizontal = leftCount + rightCount; |
|
161 | 161 | qreal hratio = 0 ; |
|
162 | 162 | if(horizontal>0) |
|
163 | 163 | hratio = (golden_ratio*geometry.width())/horizontal; |
|
164 | 164 | |
|
165 | 165 | if(leftCount>0) |
|
166 | 166 | left.setWidth(qMin(left.width(),hratio*leftCount)); |
|
167 | 167 | if(rightCount>0) |
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168 | 168 | right.setWidth(qMin(right.width(),hratio*rightCount)); |
|
169 | 169 | |
|
170 | 170 | qreal minHeight = qMax(minLeft.height(),minRight.height()); |
|
171 | 171 | qreal minWidth = qMax(minTop.width(),minBottom.width()); |
|
172 | 172 | |
|
173 | 173 | QRectF chartRect = geometry.adjusted(qMax(left.width(),minWidth/2), qMax(top.height(), minHeight/2),-qMax(right.width(),minWidth/2),-qMax(bottom.height(),minHeight/2)); |
|
174 | 174 | |
|
175 | 175 | qreal leftOffset = 0; |
|
176 | 176 | qreal rightOffset = 0; |
|
177 | 177 | qreal topOffset = 0; |
|
178 | 178 | qreal bottomOffset = 0; |
|
179 | 179 | |
|
180 | 180 | foreach(ChartAxis* axis , axes) { |
|
181 | 181 | |
|
182 | 182 | if (!axis->isVisible()) |
|
183 | 183 | continue; |
|
184 | 184 | |
|
185 | 185 | QSizeF size = axis->effectiveSizeHint(Qt::PreferredSize); |
|
186 | 186 | |
|
187 | 187 | switch(axis->alignment()){ |
|
188 | 188 | case Qt::AlignLeft:{ |
|
189 | 189 | qreal width = qMin(size.width(),(left.width()/leftCount)); |
|
190 | 190 | leftOffset+=width; |
|
191 | 191 | axis->setGeometry(QRect(chartRect.left()-leftOffset, geometry.top(),width, geometry.bottom()),chartRect); |
|
192 | 192 | break; |
|
193 | 193 | } |
|
194 | 194 | case Qt::AlignRight:{ |
|
195 | 195 | qreal width = qMin(size.width(),(right.width()/rightCount)); |
|
196 | 196 | axis->setGeometry(QRect(chartRect.right()+rightOffset,geometry.top(),width,geometry.bottom()),chartRect); |
|
197 | 197 | rightOffset+=width; |
|
198 | 198 | break; |
|
199 | 199 | } |
|
200 | 200 | case Qt::AlignTop: |
|
201 | 201 | axis->setGeometry(QRect(geometry.left(), chartRect.top() - topOffset - size.height(), geometry.width(), size.height()), chartRect); |
|
202 | 202 | topOffset += size.height(); |
|
203 | 203 | break; |
|
204 | 204 | case Qt::AlignBottom: |
|
205 | 205 | axis->setGeometry(QRect(geometry.left(), chartRect.bottom() + bottomOffset, geometry.width(), size.height()), chartRect); |
|
206 | 206 | bottomOffset += size.height(); |
|
207 | 207 | break; |
|
208 | 208 | } |
|
209 | 209 | } |
|
210 | 210 | |
|
211 | 211 | return chartRect; |
|
212 | 212 | } |
|
213 | 213 | |
|
214 | 214 | QRectF ChartLayout::calculateAxisMinimum(const QRectF &minimum, const QList<ChartAxis *>& axes) const |
|
215 | 215 | { |
|
216 | 216 | QSizeF left; |
|
217 | 217 | QSizeF right; |
|
218 | 218 | QSizeF bottom; |
|
219 | 219 | QSizeF top; |
|
220 | 220 | |
|
221 | 221 | foreach (ChartAxis *axis , axes) { |
|
222 | 222 | |
|
223 | 223 | QSizeF size = axis->effectiveSizeHint(Qt::MinimumSize); |
|
224 | 224 | |
|
225 | 225 | if (!axis->isVisible()) |
|
226 | 226 | continue; |
|
227 | 227 | |
|
228 | 228 | switch (axis->alignment()) { |
|
229 | 229 | case Qt::AlignLeft: |
|
230 | 230 | left.setWidth(left.width() + size.width()); |
|
231 | 231 | left.setHeight(qMax(left.height() * 2, size.height())); |
|
232 | 232 | break; |
|
233 | 233 | case Qt::AlignRight: |
|
234 | 234 | right.setWidth(right.width() + size.width()); |
|
235 | 235 | right.setHeight(qMax(right.height() * 2, size.height())); |
|
236 | 236 | break; |
|
237 | 237 | case Qt::AlignTop: |
|
238 | 238 | top.setWidth(qMax(top.width(), size.width())); |
|
239 | 239 | top.setHeight(top.height() + size.height()); |
|
240 | 240 | break; |
|
241 | 241 | case Qt::AlignBottom: |
|
242 | 242 | bottom.setWidth(qMax(bottom.width(), size.width())); |
|
243 | 243 | bottom.setHeight(bottom.height() + size.height()); |
|
244 | 244 | break; |
|
245 | 245 | } |
|
246 | 246 | } |
|
247 | 247 | return minimum.adjusted(0, 0, left.width() + right.width() + qMax(top.width(), bottom.width()), top.height() + bottom.height() + qMax(left.height(), right.height())); |
|
248 | 248 | } |
|
249 | 249 | |
|
250 | 250 | QRectF ChartLayout::calculateLegendGeometry(const QRectF &geometry, QLegend *legend) const |
|
251 | 251 | { |
|
252 | 252 | QSizeF size = legend->effectiveSizeHint(Qt::PreferredSize, QSizeF(-1, -1)); |
|
253 | 253 | QRectF legendRect; |
|
254 | 254 | QRectF result; |
|
255 | 255 | |
|
256 | 256 | switch (legend->alignment()) { |
|
257 | 257 | case Qt::AlignTop: { |
|
258 | 258 | legendRect = QRectF(geometry.topLeft(), QSizeF(geometry.width(), size.height())); |
|
259 | 259 | result = geometry.adjusted(0, legendRect.height(), 0, 0); |
|
260 | 260 | break; |
|
261 | 261 | } |
|
262 | 262 | case Qt::AlignBottom: { |
|
263 | 263 | legendRect = QRectF(QPointF(geometry.left(), geometry.bottom() - size.height()), QSizeF(geometry.width(), size.height())); |
|
264 | 264 | result = geometry.adjusted(0, 0, 0, -legendRect.height()); |
|
265 | 265 | break; |
|
266 | 266 | } |
|
267 | 267 | case Qt::AlignLeft: { |
|
268 | 268 | qreal width = qMin(size.width(), geometry.width() * golden_ratio); |
|
269 | 269 | legendRect = QRectF(geometry.topLeft(), QSizeF(width, geometry.height())); |
|
270 | 270 | result = geometry.adjusted(width, 0, 0, 0); |
|
271 | 271 | break; |
|
272 | 272 | } |
|
273 | 273 | case Qt::AlignRight: { |
|
274 | 274 | qreal width = qMin(size.width(), geometry.width() * golden_ratio); |
|
275 | 275 | legendRect = QRectF(QPointF(geometry.right() - width, geometry.top()), QSizeF(width, geometry.height())); |
|
276 | 276 | result = geometry.adjusted(0, 0, -width, 0); |
|
277 | 277 | break; |
|
278 | 278 | } |
|
279 | 279 | default: { |
|
280 | 280 | legendRect = QRectF(0, 0, 0, 0); |
|
281 | 281 | result = geometry; |
|
282 | 282 | break; |
|
283 | 283 | } |
|
284 | 284 | } |
|
285 | 285 | |
|
286 | 286 | legend->setGeometry(legendRect); |
|
287 | 287 | |
|
288 | 288 | return result; |
|
289 | 289 | } |
|
290 | 290 | |
|
291 | 291 | |
|
292 | 292 | QRectF ChartLayout::calculateChartsGeometry(const QRectF &geometry, const QList<ChartElement *>& charts) const |
|
293 | 293 | { |
|
294 | 294 | Q_ASSERT(geometry.isValid()); |
|
295 | 295 | foreach (ChartElement *chart, charts) |
|
296 | 296 | chart->handleGeometryChanged(geometry); |
|
297 | 297 | return geometry; |
|
298 | 298 | } |
|
299 | 299 | |
|
300 | 300 | QRectF ChartLayout::calculateLegendMinimum(const QRectF &geometry, QLegend *legend) const |
|
301 | 301 | { |
|
302 | 302 | QSizeF minSize = legend->effectiveSizeHint(Qt::MinimumSize, QSizeF(-1, -1)); |
|
303 | 303 | return geometry.adjusted(0, 0, minSize.width(), minSize.height()); |
|
304 | 304 | } |
|
305 | 305 | |
|
306 | 306 | QRectF ChartLayout::calculateTitleGeometry(const QRectF &geometry, ChartTitle *title) const |
|
307 | 307 | { |
|
308 | 308 | title->setGeometry(geometry); |
|
309 | 309 | QPointF center = geometry.center() - title->boundingRect().center(); |
|
310 | 310 | title->setPos(center.x(),title->pos().y()); |
|
311 | 311 | return geometry.adjusted(0,title->boundingRect().height()+1,0,0); |
|
312 | 312 | } |
|
313 | 313 | |
|
314 | 314 | QRectF ChartLayout::calculateTitleMinimum(const QRectF &minimum, ChartTitle *title) const |
|
315 | 315 | { |
|
316 | 316 | QSizeF min = title->sizeHint(Qt::MinimumSize); |
|
317 | 317 | return minimum.adjusted(0, 0, min.width(), min.height()); |
|
318 | 318 | } |
|
319 | 319 | |
|
320 | 320 | QSizeF ChartLayout::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const |
|
321 | 321 | { |
|
322 | 322 | Q_UNUSED(constraint); |
|
323 | 323 | if (which == Qt::MinimumSize) { |
|
324 | 324 | QList<ChartAxis *> axes = m_presenter->axisItems(); |
|
325 | 325 | ChartTitle *title = m_presenter->titleElement(); |
|
326 | 326 | QLegend *legend = m_presenter->legend(); |
|
327 | 327 | QRectF minimumRect(0, 0, 0, 0); |
|
328 | 328 | minimumRect = calculateBackgroundMinimum(minimumRect); |
|
329 | 329 | minimumRect = calculateContentMinimum(minimumRect); |
|
330 | 330 | minimumRect = calculateTitleMinimum(minimumRect, title); |
|
331 | 331 | minimumRect = calculateLegendMinimum(minimumRect, legend); |
|
332 | 332 | minimumRect = calculateAxisMinimum(minimumRect, axes); |
|
333 | 333 | return minimumRect.united(m_minChartRect).size().toSize(); |
|
334 | 334 | } |
|
335 | 335 | return QSize(-1, -1); |
|
336 | 336 | } |
|
337 | 337 | |
|
338 | 338 | void ChartLayout::setMargins(const QMargins &margins) |
|
339 | 339 | { |
|
340 | 340 | if (m_margins != margins) { |
|
341 | 341 | m_margins = margins; |
|
342 | 342 | updateGeometry(); |
|
343 | 343 | } |
|
344 | 344 | } |
|
345 | 345 | |
|
346 | 346 | QMargins ChartLayout::margins() const |
|
347 | 347 | { |
|
348 | 348 | return m_margins; |
|
349 | 349 | } |
|
350 | 350 | |
|
351 | 351 | QTCOMMERCIALCHART_END_NAMESPACE |
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