@@ -1,218 +1,224 | |||||
1 | /**************************************************************************** |
|
1 | /**************************************************************************** | |
2 | ** |
|
2 | ** | |
3 | ** Copyright (C) 2013 Digia Plc |
|
3 | ** Copyright (C) 2013 Digia Plc | |
4 | ** All rights reserved. |
|
4 | ** All rights reserved. | |
5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
5 | ** For any questions to Digia, please use contact form at http://qt.digia.com | |
6 | ** |
|
6 | ** | |
7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
7 | ** This file is part of the Qt Commercial Charts Add-on. | |
8 | ** |
|
8 | ** | |
9 | ** $QT_BEGIN_LICENSE$ |
|
9 | ** $QT_BEGIN_LICENSE$ | |
10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
10 | ** Licensees holding valid Qt Commercial licenses may use this file in | |
11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
11 | ** accordance with the Qt Commercial License Agreement provided with the | |
12 | ** Software or, alternatively, in accordance with the terms contained in |
|
12 | ** Software or, alternatively, in accordance with the terms contained in | |
13 | ** a written agreement between you and Digia. |
|
13 | ** a written agreement between you and Digia. | |
14 | ** |
|
14 | ** | |
15 | ** If you have questions regarding the use of this file, please use |
|
15 | ** If you have questions regarding the use of this file, please use | |
16 | ** contact form at http://qt.digia.com |
|
16 | ** contact form at http://qt.digia.com | |
17 | ** $QT_END_LICENSE$ |
|
17 | ** $QT_END_LICENSE$ | |
18 | ** |
|
18 | ** | |
19 | ****************************************************************************/ |
|
19 | ****************************************************************************/ | |
20 |
|
20 | |||
21 | #include "horizontalaxis_p.h" |
|
21 | #include "horizontalaxis_p.h" | |
22 | #include "qabstractaxis.h" |
|
22 | #include "qabstractaxis.h" | |
23 | #include <QFontMetrics> |
|
23 | #include <QFontMetrics> | |
24 | #include <qmath.h> |
|
24 | #include <qmath.h> | |
25 | #include <QDebug> |
|
25 | #include <QDebug> | |
26 |
|
26 | |||
27 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
27 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
28 |
|
28 | |||
29 | HorizontalAxis::HorizontalAxis(QAbstractAxis *axis, QGraphicsItem* item , bool intervalAxis) |
|
29 | HorizontalAxis::HorizontalAxis(QAbstractAxis *axis, QGraphicsItem* item , bool intervalAxis) | |
30 | : ChartAxis(axis, item, intervalAxis) |
|
30 | : ChartAxis(axis, item, intervalAxis) | |
31 | { |
|
31 | { | |
32 | } |
|
32 | } | |
33 |
|
33 | |||
34 | HorizontalAxis::~HorizontalAxis() |
|
34 | HorizontalAxis::~HorizontalAxis() | |
35 | { |
|
35 | { | |
36 | } |
|
36 | } | |
37 |
|
37 | |||
38 | void HorizontalAxis::updateGeometry() |
|
38 | void HorizontalAxis::updateGeometry() | |
39 | { |
|
39 | { | |
40 | const QVector<qreal>& layout = ChartAxis::layout(); |
|
40 | const QVector<qreal>& layout = ChartAxis::layout(); | |
41 |
|
41 | |||
42 | if (layout.isEmpty()) |
|
42 | if (layout.isEmpty()) | |
43 | return; |
|
43 | return; | |
44 |
|
44 | |||
45 | QStringList labelList = labels(); |
|
45 | QStringList labelList = labels(); | |
46 |
|
46 | |||
47 | QList<QGraphicsItem *> lines = lineItems(); |
|
47 | QList<QGraphicsItem *> lines = lineItems(); | |
48 | QList<QGraphicsItem *> labels = labelItems(); |
|
48 | QList<QGraphicsItem *> labels = labelItems(); | |
49 | QList<QGraphicsItem *> shades = shadeItems(); |
|
49 | QList<QGraphicsItem *> shades = shadeItems(); | |
50 | QList<QGraphicsItem *> axis = arrowItems(); |
|
50 | QList<QGraphicsItem *> axis = arrowItems(); | |
51 | QGraphicsSimpleTextItem* title = titleItem(); |
|
51 | QGraphicsSimpleTextItem* title = titleItem(); | |
52 |
|
52 | |||
53 | Q_ASSERT(labels.size() == labelList.size()); |
|
53 | Q_ASSERT(labels.size() == labelList.size()); | |
54 | Q_ASSERT(layout.size() == labelList.size()); |
|
54 | Q_ASSERT(layout.size() == labelList.size()); | |
55 |
|
55 | |||
56 | const QRectF &axisRect = axisGeometry(); |
|
56 | const QRectF &axisRect = axisGeometry(); | |
57 | const QRectF &gridRect = gridGeometry(); |
|
57 | const QRectF &gridRect = gridGeometry(); | |
58 |
|
58 | |||
59 | //arrow |
|
59 | //arrow | |
60 | QGraphicsLineItem *arrowItem = static_cast<QGraphicsLineItem *>(axis.at(0)); |
|
60 | QGraphicsLineItem *arrowItem = static_cast<QGraphicsLineItem *>(axis.at(0)); | |
61 |
|
61 | |||
62 | if (alignment() == Qt::AlignTop) |
|
62 | if (alignment() == Qt::AlignTop) | |
63 | arrowItem->setLine(gridRect.left(), axisRect.bottom(), gridRect.right(), axisRect.bottom()); |
|
63 | arrowItem->setLine(gridRect.left(), axisRect.bottom(), gridRect.right(), axisRect.bottom()); | |
64 | else if (alignment() == Qt::AlignBottom) |
|
64 | else if (alignment() == Qt::AlignBottom) | |
65 | arrowItem->setLine(gridRect.left(), axisRect.top(), gridRect.right(), axisRect.top()); |
|
65 | arrowItem->setLine(gridRect.left(), axisRect.top(), gridRect.right(), axisRect.top()); | |
66 |
|
66 | |||
67 | qreal width = 0; |
|
67 | qreal width = 0; | |
68 | QFontMetrics fn(font()); |
|
68 | QFontMetrics fn(font()); | |
69 |
|
69 | |||
70 | //title |
|
70 | //title | |
71 | int titlePad = 0; |
|
71 | int titlePad = 0; | |
72 | QRectF titleBoundingRect; |
|
72 | QRectF titleBoundingRect; | |
73 | if (!titleText().isEmpty() && titleItem()->isVisible()) { |
|
73 | if (!titleText().isEmpty() && titleItem()->isVisible()) { | |
74 | QFontMetrics fn(title->font()); |
|
74 | QFontMetrics fn(title->font()); | |
75 | int size(0); |
|
75 | int size(0); | |
76 | size = gridRect.width(); |
|
76 | size = gridRect.width(); | |
77 | QString titleText = this->titleText(); |
|
77 | QString titleText = this->titleText(); | |
78 |
|
78 | |||
79 | if (fn.boundingRect(titleText).width() > size) { |
|
79 | if (fn.boundingRect(titleText).width() > size) { | |
80 | QString string = titleText + "..."; |
|
80 | QString string = titleText + "..."; | |
81 | while (fn.boundingRect(string).width() > size && string.length() > 3) |
|
81 | while (fn.boundingRect(string).width() > size && string.length() > 3) | |
82 | string.remove(string.length() - 4, 1); |
|
82 | string.remove(string.length() - 4, 1); | |
83 | title->setText(string); |
|
83 | title->setText(string); | |
84 | } else { |
|
84 | } else { | |
85 | title->setText(titleText); |
|
85 | title->setText(titleText); | |
86 | } |
|
86 | } | |
87 |
|
87 | |||
88 | titlePad = titlePadding(); |
|
88 | titlePad = titlePadding(); | |
89 | titleBoundingRect = title->boundingRect(); |
|
89 | titleBoundingRect = title->boundingRect(); | |
90 |
|
90 | |||
91 | QPointF center = gridRect.center() - titleBoundingRect.center(); |
|
91 | QPointF center = gridRect.center() - titleBoundingRect.center(); | |
92 | if (alignment() == Qt::AlignTop) { |
|
92 | if (alignment() == Qt::AlignTop) { | |
93 | title->setPos(center.x(), axisRect.top() + titlePad); |
|
93 | title->setPos(center.x(), axisRect.top() + titlePad); | |
94 | } else if (alignment() == Qt::AlignBottom) { |
|
94 | } else if (alignment() == Qt::AlignBottom) { | |
95 | title->setPos(center.x(), axisRect.bottom() - titleBoundingRect.height() - titlePad); |
|
95 | title->setPos(center.x(), axisRect.bottom() - titleBoundingRect.height() - titlePad); | |
96 | } |
|
96 | } | |
97 | } |
|
97 | } | |
98 |
|
98 | |||
99 | for (int i = 0; i < layout.size(); ++i) { |
|
99 | for (int i = 0; i < layout.size(); ++i) { | |
100 |
|
100 | |||
101 | //items |
|
101 | //items | |
102 | QGraphicsLineItem *gridItem = static_cast<QGraphicsLineItem*>(lines.at(i)); |
|
102 | QGraphicsLineItem *gridItem = static_cast<QGraphicsLineItem*>(lines.at(i)); | |
103 | QGraphicsLineItem *tickItem = static_cast<QGraphicsLineItem*>(axis.at(i + 1)); |
|
103 | QGraphicsLineItem *tickItem = static_cast<QGraphicsLineItem*>(axis.at(i + 1)); | |
104 | QGraphicsSimpleTextItem *labelItem = static_cast<QGraphicsSimpleTextItem *>(labels.at(i)); |
|
104 | QGraphicsSimpleTextItem *labelItem = static_cast<QGraphicsSimpleTextItem *>(labels.at(i)); | |
105 |
|
105 | |||
106 | //grid line |
|
106 | //grid line | |
107 | gridItem->setLine(layout[i], gridRect.top(), layout[i], gridRect.bottom()); |
|
107 | gridItem->setLine(layout[i], gridRect.top(), layout[i], gridRect.bottom()); | |
108 |
|
108 | |||
109 | //label text wrapping |
|
109 | //label text wrapping | |
110 | QString text = labelList.at(i); |
|
110 | QString text = labelList.at(i); | |
111 | QRectF boundingRect = labelBoundingRect(fn, text); |
|
111 | QRectF boundingRect = labelBoundingRect(fn, text); | |
112 | qreal size = axisRect.bottom() - axisRect.top() - labelPadding() - titleBoundingRect.height() - (titlePad * 2); |
|
112 | qreal size = axisRect.bottom() - axisRect.top() - labelPadding() - titleBoundingRect.height() - (titlePad * 2); | |
113 | if (boundingRect.height() > size) { |
|
113 | if (boundingRect.height() > size) { | |
114 | QString label = text + "..."; |
|
114 | QString label = text + "..."; | |
115 | while (boundingRect.height() >= size && label.length() > 3) { |
|
115 | while (boundingRect.height() >= size && label.length() > 3) { | |
116 | label.remove(label.length() - 4, 1); |
|
116 | label.remove(label.length() - 4, 1); | |
117 | boundingRect = labelBoundingRect(fn, label); |
|
117 | boundingRect = labelBoundingRect(fn, label); | |
118 | } |
|
118 | } | |
119 | labelItem->setText(label); |
|
119 | labelItem->setText(label); | |
120 | } else { |
|
120 | } else { | |
121 | labelItem->setText(text); |
|
121 | labelItem->setText(text); | |
122 | } |
|
122 | } | |
123 |
|
123 | |||
124 | //label transformation origin point |
|
124 | //label transformation origin point | |
125 | const QRectF& rect = labelItem->boundingRect(); |
|
125 | const QRectF& rect = labelItem->boundingRect(); | |
126 | QPointF center = rect.center(); |
|
126 | QPointF center = rect.center(); | |
127 | labelItem->setTransformOriginPoint(center.x(), center.y()); |
|
127 | labelItem->setTransformOriginPoint(center.x(), center.y()); | |
128 | int heightDiff = rect.height() - boundingRect.height(); |
|
128 | int heightDiff = rect.height() - boundingRect.height(); | |
129 |
|
129 | |||
130 | //ticks and label position |
|
130 | //ticks and label position | |
131 | if (alignment() == Qt::AlignTop) { |
|
131 | if (alignment() == Qt::AlignTop) { | |
132 | labelItem->setPos(layout[i] - center.x(), axisRect.bottom() - rect.height() + (heightDiff / 2) - labelPadding()); |
|
132 | labelItem->setPos(layout[i] - center.x(), axisRect.bottom() - rect.height() + (heightDiff / 2) - labelPadding()); | |
133 | tickItem->setLine(layout[i], axisRect.bottom(), layout[i], axisRect.bottom() - labelPadding()); |
|
133 | tickItem->setLine(layout[i], axisRect.bottom(), layout[i], axisRect.bottom() - labelPadding()); | |
134 | } else if (alignment() == Qt::AlignBottom) { |
|
134 | } else if (alignment() == Qt::AlignBottom) { | |
135 | labelItem->setPos(layout[i] - center.x(), axisRect.top() - (heightDiff / 2) + labelPadding()); |
|
135 | labelItem->setPos(layout[i] - center.x(), axisRect.top() - (heightDiff / 2) + labelPadding()); | |
136 | tickItem->setLine(layout[i], axisRect.top(), layout[i], axisRect.top() + labelPadding()); |
|
136 | tickItem->setLine(layout[i], axisRect.top(), layout[i], axisRect.top() + labelPadding()); | |
137 | } |
|
137 | } | |
138 |
|
138 | |||
139 | //label in between |
|
139 | //label in between | |
140 | bool forceHide = false; |
|
140 | bool forceHide = false; | |
141 | if (intervalAxis() && (i + 1) != layout.size()) { |
|
141 | if (intervalAxis() && (i + 1) != layout.size()) { | |
142 | qreal leftBound = qMax(layout[i], gridRect.left()); |
|
142 | qreal leftBound = qMax(layout[i], gridRect.left()); | |
143 | qreal rightBound = qMin(layout[i + 1], gridRect.right()); |
|
143 | qreal rightBound = qMin(layout[i + 1], gridRect.right()); | |
144 | const qreal delta = rightBound - leftBound; |
|
144 | const qreal delta = rightBound - leftBound; | |
145 | // Hide label in case visible part of the category at the grid edge is too narrow |
|
145 | // Hide label in case visible part of the category at the grid edge is too narrow | |
146 | if (delta < boundingRect.width() |
|
146 | if (delta < boundingRect.width() | |
147 | && (leftBound == gridRect.left() || rightBound == gridRect.right())) { |
|
147 | && (leftBound == gridRect.left() || rightBound == gridRect.right())) { | |
148 | forceHide = true; |
|
148 | forceHide = true; | |
149 | } else { |
|
149 | } else { | |
150 | labelItem->setPos(leftBound + (delta / 2.0) - center.x(), labelItem->pos().y()); |
|
150 | labelItem->setPos(leftBound + (delta / 2.0) - center.x(), labelItem->pos().y()); | |
151 | } |
|
151 | } | |
152 | } |
|
152 | } | |
153 |
|
153 | |||
154 | //label overlap detection - compensate one pixel for rounding errors |
|
154 | //label overlap detection - compensate one pixel for rounding errors | |
155 | if (labelItem->pos().x() < width || forceHide || |
|
155 | if (labelItem->pos().x() < width || forceHide || | |
156 | labelItem->pos().x() < (axisRect.left() - 1.0) || |
|
156 | labelItem->pos().x() < (axisRect.left() - 1.0) || | |
157 | (labelItem->pos().x() + boundingRect.width() - 1.0) > axisRect.right()){ |
|
157 | (labelItem->pos().x() + boundingRect.width() - 1.0) > axisRect.right()){ | |
158 | labelItem->setVisible(false); |
|
158 | labelItem->setVisible(false); | |
159 | } else { |
|
159 | } else { | |
160 | labelItem->setVisible(true); |
|
160 | labelItem->setVisible(true); | |
161 | width = boundingRect.width() + labelItem->pos().x(); |
|
161 | width = boundingRect.width() + labelItem->pos().x(); | |
162 | } |
|
162 | } | |
163 |
|
163 | |||
164 | //shades |
|
164 | //shades | |
165 | if ((i + 1) % 2 && i > 1) { |
|
165 | if ((i + 1) % 2 && i > 1) { | |
166 | QGraphicsRectItem *rectItem = static_cast<QGraphicsRectItem *>(shades.at(i / 2 - 1)); |
|
166 | QGraphicsRectItem *rectItem = static_cast<QGraphicsRectItem *>(shades.at(i / 2 - 1)); | |
167 | rectItem->setRect(layout[i - 1], gridRect.top(), layout[i] - layout[i - 1], gridRect.height()); |
|
167 | qreal leftBound = qMax(layout[i - 1], gridRect.left()); | |
|
168 | qreal rightBound = qMin(layout[i], gridRect.right()); | |||
|
169 | rectItem->setRect(leftBound, gridRect.top(), rightBound - leftBound, gridRect.height()); | |||
|
170 | if (rectItem->rect().width() <= 0.0) | |||
|
171 | rectItem->setVisible(false); | |||
|
172 | else | |||
|
173 | rectItem->setVisible(true); | |||
168 | } |
|
174 | } | |
169 |
|
175 | |||
170 | // check if the grid line and the axis tick should be shown |
|
176 | // check if the grid line and the axis tick should be shown | |
171 | qreal x = gridItem->line().p1().x(); |
|
177 | qreal x = gridItem->line().p1().x(); | |
172 | if (x < gridRect.left() || x > gridRect.right()) { |
|
178 | if (x < gridRect.left() || x > gridRect.right()) { | |
173 | gridItem->setVisible(false); |
|
179 | gridItem->setVisible(false); | |
174 | tickItem->setVisible(false); |
|
180 | tickItem->setVisible(false); | |
175 | }else{ |
|
181 | }else{ | |
176 | gridItem->setVisible(true); |
|
182 | gridItem->setVisible(true); | |
177 | tickItem->setVisible(true); |
|
183 | tickItem->setVisible(true); | |
178 | } |
|
184 | } | |
179 |
|
185 | |||
180 | } |
|
186 | } | |
181 |
|
187 | |||
182 | //begin/end grid line in case labels between |
|
188 | //begin/end grid line in case labels between | |
183 | if (intervalAxis()) { |
|
189 | if (intervalAxis()) { | |
184 | QGraphicsLineItem *gridLine; |
|
190 | QGraphicsLineItem *gridLine; | |
185 | gridLine = static_cast<QGraphicsLineItem *>(lines.at(layout.size())); |
|
191 | gridLine = static_cast<QGraphicsLineItem *>(lines.at(layout.size())); | |
186 | gridLine->setLine(gridRect.right(), gridRect.top(), gridRect.right(), gridRect.bottom()); |
|
192 | gridLine->setLine(gridRect.right(), gridRect.top(), gridRect.right(), gridRect.bottom()); | |
187 | gridLine->setVisible(true); |
|
193 | gridLine->setVisible(true); | |
188 | gridLine = static_cast<QGraphicsLineItem*>(lines.at(layout.size()+1)); |
|
194 | gridLine = static_cast<QGraphicsLineItem*>(lines.at(layout.size()+1)); | |
189 | gridLine->setLine(gridRect.left(), gridRect.top(), gridRect.left(), gridRect.bottom()); |
|
195 | gridLine->setLine(gridRect.left(), gridRect.top(), gridRect.left(), gridRect.bottom()); | |
190 | gridLine->setVisible(true); |
|
196 | gridLine->setVisible(true); | |
191 | } |
|
197 | } | |
192 | } |
|
198 | } | |
193 |
|
199 | |||
194 | QSizeF HorizontalAxis::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const |
|
200 | QSizeF HorizontalAxis::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const | |
195 | { |
|
201 | { | |
196 | Q_UNUSED(constraint); |
|
202 | Q_UNUSED(constraint); | |
197 | QFontMetrics fn(titleFont()); |
|
203 | QFontMetrics fn(titleFont()); | |
198 | QSizeF sh(0,0); |
|
204 | QSizeF sh(0,0); | |
199 |
|
205 | |||
200 | if (titleText().isEmpty() || !titleItem()->isVisible()) |
|
206 | if (titleText().isEmpty() || !titleItem()->isVisible()) | |
201 | return sh; |
|
207 | return sh; | |
202 |
|
208 | |||
203 | switch (which) { |
|
209 | switch (which) { | |
204 | case Qt::MinimumSize: |
|
210 | case Qt::MinimumSize: | |
205 | sh = QSizeF(fn.boundingRect("...").width(), fn.height() + (titlePadding() * 2)); |
|
211 | sh = QSizeF(fn.boundingRect("...").width(), fn.height() + (titlePadding() * 2)); | |
206 | break; |
|
212 | break; | |
207 | case Qt::MaximumSize: |
|
213 | case Qt::MaximumSize: | |
208 | case Qt::PreferredSize: |
|
214 | case Qt::PreferredSize: | |
209 | sh = QSizeF(fn.boundingRect(axis()->titleText()).width(), fn.height() + (titlePadding() * 2)); |
|
215 | sh = QSizeF(fn.boundingRect(axis()->titleText()).width(), fn.height() + (titlePadding() * 2)); | |
210 | break; |
|
216 | break; | |
211 | default: |
|
217 | default: | |
212 | break; |
|
218 | break; | |
213 | } |
|
219 | } | |
214 |
|
220 | |||
215 | return sh; |
|
221 | return sh; | |
216 | } |
|
222 | } | |
217 |
|
223 | |||
218 | QTCOMMERCIALCHART_END_NAMESPACE |
|
224 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,230 +1,236 | |||||
1 | /**************************************************************************** |
|
1 | /**************************************************************************** | |
2 | ** |
|
2 | ** | |
3 | ** Copyright (C) 2013 Digia Plc |
|
3 | ** Copyright (C) 2013 Digia Plc | |
4 | ** All rights reserved. |
|
4 | ** All rights reserved. | |
5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
5 | ** For any questions to Digia, please use contact form at http://qt.digia.com | |
6 | ** |
|
6 | ** | |
7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
7 | ** This file is part of the Qt Commercial Charts Add-on. | |
8 | ** |
|
8 | ** | |
9 | ** $QT_BEGIN_LICENSE$ |
|
9 | ** $QT_BEGIN_LICENSE$ | |
10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
10 | ** Licensees holding valid Qt Commercial licenses may use this file in | |
11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
11 | ** accordance with the Qt Commercial License Agreement provided with the | |
12 | ** Software or, alternatively, in accordance with the terms contained in |
|
12 | ** Software or, alternatively, in accordance with the terms contained in | |
13 | ** a written agreement between you and Digia. |
|
13 | ** a written agreement between you and Digia. | |
14 | ** |
|
14 | ** | |
15 | ** If you have questions regarding the use of this file, please use |
|
15 | ** If you have questions regarding the use of this file, please use | |
16 | ** contact form at http://qt.digia.com |
|
16 | ** contact form at http://qt.digia.com | |
17 | ** $QT_END_LICENSE$ |
|
17 | ** $QT_END_LICENSE$ | |
18 | ** |
|
18 | ** | |
19 | ****************************************************************************/ |
|
19 | ****************************************************************************/ | |
20 |
|
20 | |||
21 | #include "verticalaxis_p.h" |
|
21 | #include "verticalaxis_p.h" | |
22 | #include "qabstractaxis.h" |
|
22 | #include "qabstractaxis.h" | |
23 | #include <QFontMetrics> |
|
23 | #include <QFontMetrics> | |
24 | #include <QDebug> |
|
24 | #include <QDebug> | |
25 |
|
25 | |||
26 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
26 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
27 |
|
27 | |||
28 | VerticalAxis::VerticalAxis(QAbstractAxis *axis, QGraphicsItem* item, bool intervalAxis) |
|
28 | VerticalAxis::VerticalAxis(QAbstractAxis *axis, QGraphicsItem* item, bool intervalAxis) | |
29 | : ChartAxis(axis, item, intervalAxis) |
|
29 | : ChartAxis(axis, item, intervalAxis) | |
30 | { |
|
30 | { | |
31 |
|
31 | |||
32 | } |
|
32 | } | |
33 |
|
33 | |||
34 | VerticalAxis::~VerticalAxis() |
|
34 | VerticalAxis::~VerticalAxis() | |
35 | { |
|
35 | { | |
36 |
|
36 | |||
37 | } |
|
37 | } | |
38 |
|
38 | |||
39 | void VerticalAxis::updateGeometry() |
|
39 | void VerticalAxis::updateGeometry() | |
40 | { |
|
40 | { | |
41 | const QVector<qreal> &layout = ChartAxis::layout(); |
|
41 | const QVector<qreal> &layout = ChartAxis::layout(); | |
42 |
|
42 | |||
43 | if (layout.isEmpty()) |
|
43 | if (layout.isEmpty()) | |
44 | return; |
|
44 | return; | |
45 |
|
45 | |||
46 | QStringList labelList = labels(); |
|
46 | QStringList labelList = labels(); | |
47 |
|
47 | |||
48 | QList<QGraphicsItem *> lines = lineItems(); |
|
48 | QList<QGraphicsItem *> lines = lineItems(); | |
49 | QList<QGraphicsItem *> labels = labelItems(); |
|
49 | QList<QGraphicsItem *> labels = labelItems(); | |
50 | QList<QGraphicsItem *> shades = shadeItems(); |
|
50 | QList<QGraphicsItem *> shades = shadeItems(); | |
51 | QList<QGraphicsItem *> axis = arrowItems(); |
|
51 | QList<QGraphicsItem *> axis = arrowItems(); | |
52 | QGraphicsSimpleTextItem* title = titleItem(); |
|
52 | QGraphicsSimpleTextItem* title = titleItem(); | |
53 |
|
53 | |||
54 | Q_ASSERT(labels.size() == labelList.size()); |
|
54 | Q_ASSERT(labels.size() == labelList.size()); | |
55 | Q_ASSERT(layout.size() == labelList.size()); |
|
55 | Q_ASSERT(layout.size() == labelList.size()); | |
56 |
|
56 | |||
57 | const QRectF &axisRect = axisGeometry(); |
|
57 | const QRectF &axisRect = axisGeometry(); | |
58 | const QRectF &gridRect = gridGeometry(); |
|
58 | const QRectF &gridRect = gridGeometry(); | |
59 |
|
59 | |||
60 | qreal height = axisRect.bottom(); |
|
60 | qreal height = axisRect.bottom(); | |
61 |
|
61 | |||
62 |
|
62 | |||
63 | //arrow |
|
63 | //arrow | |
64 | QGraphicsLineItem *arrowItem = static_cast<QGraphicsLineItem*>(axis.at(0)); |
|
64 | QGraphicsLineItem *arrowItem = static_cast<QGraphicsLineItem*>(axis.at(0)); | |
65 |
|
65 | |||
66 | //arrow position |
|
66 | //arrow position | |
67 | if (alignment()==Qt::AlignLeft) |
|
67 | if (alignment()==Qt::AlignLeft) | |
68 | arrowItem->setLine( axisRect.right() , gridRect.top(), axisRect.right(), gridRect.bottom()); |
|
68 | arrowItem->setLine( axisRect.right() , gridRect.top(), axisRect.right(), gridRect.bottom()); | |
69 | else if(alignment()==Qt::AlignRight) |
|
69 | else if(alignment()==Qt::AlignRight) | |
70 | arrowItem->setLine( axisRect.left() , gridRect.top(), axisRect.left(), gridRect.bottom()); |
|
70 | arrowItem->setLine( axisRect.left() , gridRect.top(), axisRect.left(), gridRect.bottom()); | |
71 |
|
71 | |||
72 | QFontMetrics fn(font()); |
|
72 | QFontMetrics fn(font()); | |
73 |
|
73 | |||
74 | //title |
|
74 | //title | |
75 | int titlePad = 0; |
|
75 | int titlePad = 0; | |
76 | QRectF titleBoundingRect; |
|
76 | QRectF titleBoundingRect; | |
77 | if (!titleText().isEmpty() && titleItem()->isVisible()) { |
|
77 | if (!titleText().isEmpty() && titleItem()->isVisible()) { | |
78 | QFontMetrics fn(title->font()); |
|
78 | QFontMetrics fn(title->font()); | |
79 | int size(0); |
|
79 | int size(0); | |
80 | size = gridRect.height(); |
|
80 | size = gridRect.height(); | |
81 | QString titleText = this->titleText(); |
|
81 | QString titleText = this->titleText(); | |
82 |
|
82 | |||
83 | if (fn.boundingRect(titleText).width() > size) { |
|
83 | if (fn.boundingRect(titleText).width() > size) { | |
84 | QString string = titleText + "..."; |
|
84 | QString string = titleText + "..."; | |
85 | while (fn.boundingRect(string).width() > size && string.length() > 3) |
|
85 | while (fn.boundingRect(string).width() > size && string.length() > 3) | |
86 | string.remove(string.length() - 4, 1); |
|
86 | string.remove(string.length() - 4, 1); | |
87 | title->setText(string); |
|
87 | title->setText(string); | |
88 | } |
|
88 | } | |
89 | else { |
|
89 | else { | |
90 | title->setText(titleText); |
|
90 | title->setText(titleText); | |
91 | } |
|
91 | } | |
92 |
|
92 | |||
93 | titlePad = titlePadding(); |
|
93 | titlePad = titlePadding(); | |
94 | titleBoundingRect = title->boundingRect(); |
|
94 | titleBoundingRect = title->boundingRect(); | |
95 |
|
95 | |||
96 | QPointF center = gridRect.center() - titleBoundingRect.center(); |
|
96 | QPointF center = gridRect.center() - titleBoundingRect.center(); | |
97 | if (alignment() == Qt::AlignLeft) { |
|
97 | if (alignment() == Qt::AlignLeft) { | |
98 | title->setPos(axisRect.left() - titleBoundingRect.width() / 2 + titleBoundingRect.height() / 2 + titlePad, center.y()); |
|
98 | title->setPos(axisRect.left() - titleBoundingRect.width() / 2 + titleBoundingRect.height() / 2 + titlePad, center.y()); | |
99 | } |
|
99 | } | |
100 | else if (alignment() == Qt::AlignRight) { |
|
100 | else if (alignment() == Qt::AlignRight) { | |
101 | title->setPos(axisRect.right() - titleBoundingRect.width() / 2 - titleBoundingRect.height() / 2 - titlePad, center.y()); |
|
101 | title->setPos(axisRect.right() - titleBoundingRect.width() / 2 - titleBoundingRect.height() / 2 - titlePad, center.y()); | |
102 | } |
|
102 | } | |
103 | title->setTransformOriginPoint(titleBoundingRect.center()); |
|
103 | title->setTransformOriginPoint(titleBoundingRect.center()); | |
104 | title->setRotation(270); |
|
104 | title->setRotation(270); | |
105 | } |
|
105 | } | |
106 |
|
106 | |||
107 | for (int i = 0; i < layout.size(); ++i) { |
|
107 | for (int i = 0; i < layout.size(); ++i) { | |
108 |
|
108 | |||
109 | //items |
|
109 | //items | |
110 | QGraphicsLineItem *gridItem = static_cast<QGraphicsLineItem *>(lines.at(i)); |
|
110 | QGraphicsLineItem *gridItem = static_cast<QGraphicsLineItem *>(lines.at(i)); | |
111 | QGraphicsLineItem *tickItem = static_cast<QGraphicsLineItem *>(axis.at(i + 1)); |
|
111 | QGraphicsLineItem *tickItem = static_cast<QGraphicsLineItem *>(axis.at(i + 1)); | |
112 | QGraphicsSimpleTextItem *labelItem = static_cast<QGraphicsSimpleTextItem *>(labels.at(i)); |
|
112 | QGraphicsSimpleTextItem *labelItem = static_cast<QGraphicsSimpleTextItem *>(labels.at(i)); | |
113 |
|
113 | |||
114 | //grid line |
|
114 | //grid line | |
115 | gridItem->setLine(gridRect.left() , layout[i], gridRect.right(), layout[i]); |
|
115 | gridItem->setLine(gridRect.left() , layout[i], gridRect.right(), layout[i]); | |
116 |
|
116 | |||
117 | //label text wrapping |
|
117 | //label text wrapping | |
118 | QString text = labelList.at(i); |
|
118 | QString text = labelList.at(i); | |
119 | QRectF boundingRect = labelBoundingRect(fn, text); |
|
119 | QRectF boundingRect = labelBoundingRect(fn, text); | |
120 |
|
120 | |||
121 | qreal size = axisRect.right() - axisRect.left() - labelPadding() - titleBoundingRect.height() - (titlePad * 2); |
|
121 | qreal size = axisRect.right() - axisRect.left() - labelPadding() - titleBoundingRect.height() - (titlePad * 2); | |
122 | if (boundingRect.width() > size) { |
|
122 | if (boundingRect.width() > size) { | |
123 | QString label = text + "..."; |
|
123 | QString label = text + "..."; | |
124 | while (boundingRect.width() > size && label.length() > 3) { |
|
124 | while (boundingRect.width() > size && label.length() > 3) { | |
125 | label.remove(label.length() - 4, 1); |
|
125 | label.remove(label.length() - 4, 1); | |
126 | boundingRect = labelBoundingRect(fn, label); |
|
126 | boundingRect = labelBoundingRect(fn, label); | |
127 | } |
|
127 | } | |
128 | labelItem->setText(label); |
|
128 | labelItem->setText(label); | |
129 | } else { |
|
129 | } else { | |
130 | labelItem->setText(text); |
|
130 | labelItem->setText(text); | |
131 | } |
|
131 | } | |
132 |
|
132 | |||
133 | //label transformation origin point |
|
133 | //label transformation origin point | |
134 | const QRectF &rect = labelItem->boundingRect(); |
|
134 | const QRectF &rect = labelItem->boundingRect(); | |
135 |
|
135 | |||
136 | QPointF center = rect.center(); |
|
136 | QPointF center = rect.center(); | |
137 | labelItem->setTransformOriginPoint(center.x(), center.y()); |
|
137 | labelItem->setTransformOriginPoint(center.x(), center.y()); | |
138 | int widthDiff = rect.width() - boundingRect.width(); |
|
138 | int widthDiff = rect.width() - boundingRect.width(); | |
139 |
|
139 | |||
140 | //ticks and label position |
|
140 | //ticks and label position | |
141 | if (alignment() == Qt::AlignLeft) { |
|
141 | if (alignment() == Qt::AlignLeft) { | |
142 | labelItem->setPos(axisRect.right() - rect.width() + (widthDiff / 2) - labelPadding(), layout[i] - center.y()); |
|
142 | labelItem->setPos(axisRect.right() - rect.width() + (widthDiff / 2) - labelPadding(), layout[i] - center.y()); | |
143 | tickItem->setLine(axisRect.right() - labelPadding(), layout[i], axisRect.right(), layout[i]); |
|
143 | tickItem->setLine(axisRect.right() - labelPadding(), layout[i], axisRect.right(), layout[i]); | |
144 | } else if (alignment() == Qt::AlignRight) { |
|
144 | } else if (alignment() == Qt::AlignRight) { | |
145 | labelItem->setPos(axisRect.left() + labelPadding() - (widthDiff / 2), layout[i] - center.y()); |
|
145 | labelItem->setPos(axisRect.left() + labelPadding() - (widthDiff / 2), layout[i] - center.y()); | |
146 | tickItem->setLine(axisRect.left(), layout[i], axisRect.left() + labelPadding(), layout[i]); |
|
146 | tickItem->setLine(axisRect.left(), layout[i], axisRect.left() + labelPadding(), layout[i]); | |
147 | } |
|
147 | } | |
148 |
|
148 | |||
149 | //label in between |
|
149 | //label in between | |
150 | bool forceHide = false; |
|
150 | bool forceHide = false; | |
151 | if (intervalAxis() && (i + 1) != layout.size()) { |
|
151 | if (intervalAxis() && (i + 1) != layout.size()) { | |
152 | qreal lowerBound = qMin(layout[i], gridRect.bottom()); |
|
152 | qreal lowerBound = qMin(layout[i], gridRect.bottom()); | |
153 | qreal upperBound = qMax(layout[i + 1], gridRect.top()); |
|
153 | qreal upperBound = qMax(layout[i + 1], gridRect.top()); | |
154 | const qreal delta = lowerBound - upperBound; |
|
154 | const qreal delta = lowerBound - upperBound; | |
155 | // Hide label in case visible part of the category at the grid edge is too narrow |
|
155 | // Hide label in case visible part of the category at the grid edge is too narrow | |
156 | if (delta < boundingRect.height() |
|
156 | if (delta < boundingRect.height() | |
157 | && (lowerBound == gridRect.bottom() || upperBound == gridRect.top())) { |
|
157 | && (lowerBound == gridRect.bottom() || upperBound == gridRect.top())) { | |
158 | forceHide = true; |
|
158 | forceHide = true; | |
159 | } else { |
|
159 | } else { | |
160 | labelItem->setPos(labelItem->pos().x() , lowerBound - (delta / 2.0) - center.y()); |
|
160 | labelItem->setPos(labelItem->pos().x() , lowerBound - (delta / 2.0) - center.y()); | |
161 | } |
|
161 | } | |
162 | } |
|
162 | } | |
163 |
|
163 | |||
164 | //label overlap detection - compensate one pixel for rounding errors |
|
164 | //label overlap detection - compensate one pixel for rounding errors | |
165 | if (labelItem->pos().y() + boundingRect.height() > height || forceHide || |
|
165 | if (labelItem->pos().y() + boundingRect.height() > height || forceHide || | |
166 | (labelItem->pos().y() + (boundingRect.height() / 2.0) - 1.0) > axisRect.bottom() || |
|
166 | (labelItem->pos().y() + (boundingRect.height() / 2.0) - 1.0) > axisRect.bottom() || | |
167 | labelItem->pos().y() + (boundingRect.height() / 2.0) < (axisRect.top() - 1.0)) { |
|
167 | labelItem->pos().y() + (boundingRect.height() / 2.0) < (axisRect.top() - 1.0)) { | |
168 | labelItem->setVisible(false); |
|
168 | labelItem->setVisible(false); | |
169 | } |
|
169 | } | |
170 | else { |
|
170 | else { | |
171 | labelItem->setVisible(true); |
|
171 | labelItem->setVisible(true); | |
172 | height=labelItem->pos().y(); |
|
172 | height=labelItem->pos().y(); | |
173 | } |
|
173 | } | |
174 |
|
174 | |||
175 | //shades |
|
175 | //shades | |
176 | if ((i + 1) % 2 && i > 1) { |
|
176 | if ((i + 1) % 2 && i > 1) { | |
177 | QGraphicsRectItem *rectItem = static_cast<QGraphicsRectItem *>(shades.at(i / 2 - 1)); |
|
177 | QGraphicsRectItem *rectItem = static_cast<QGraphicsRectItem *>(shades.at(i / 2 - 1)); | |
178 | rectItem->setRect(gridRect.left(), layout[i], gridRect.width(), layout[i - 1] - layout[i]); |
|
178 | qreal lowerBound = qMin(layout[i - 1], gridRect.bottom()); | |
|
179 | qreal upperBound = qMax(layout[i], gridRect.top()); | |||
|
180 | rectItem->setRect(gridRect.left(), upperBound, gridRect.width(), lowerBound - upperBound); | |||
|
181 | if (rectItem->rect().height() <= 0.0) | |||
|
182 | rectItem->setVisible(false); | |||
|
183 | else | |||
|
184 | rectItem->setVisible(true); | |||
179 | } |
|
185 | } | |
180 |
|
186 | |||
181 | // check if the grid line and the axis tick should be shown |
|
187 | // check if the grid line and the axis tick should be shown | |
182 | qreal y = gridItem->line().p1().y(); |
|
188 | qreal y = gridItem->line().p1().y(); | |
183 | if ((y < gridRect.top() || y > gridRect.bottom())) |
|
189 | if ((y < gridRect.top() || y > gridRect.bottom())) | |
184 | { |
|
190 | { | |
185 | gridItem->setVisible(false); |
|
191 | gridItem->setVisible(false); | |
186 | tickItem->setVisible(false); |
|
192 | tickItem->setVisible(false); | |
187 | }else{ |
|
193 | }else{ | |
188 | gridItem->setVisible(true); |
|
194 | gridItem->setVisible(true); | |
189 | tickItem->setVisible(true); |
|
195 | tickItem->setVisible(true); | |
190 | } |
|
196 | } | |
191 |
|
197 | |||
192 | } |
|
198 | } | |
193 | //begin/end grid line in case labels between |
|
199 | //begin/end grid line in case labels between | |
194 | if (intervalAxis()) { |
|
200 | if (intervalAxis()) { | |
195 | QGraphicsLineItem *gridLine; |
|
201 | QGraphicsLineItem *gridLine; | |
196 | gridLine = static_cast<QGraphicsLineItem *>(lines.at(layout.size())); |
|
202 | gridLine = static_cast<QGraphicsLineItem *>(lines.at(layout.size())); | |
197 | gridLine->setLine(gridRect.left(), gridRect.top(), gridRect.right(), gridRect.top()); |
|
203 | gridLine->setLine(gridRect.left(), gridRect.top(), gridRect.right(), gridRect.top()); | |
198 | gridLine->setVisible(true); |
|
204 | gridLine->setVisible(true); | |
199 | gridLine = static_cast<QGraphicsLineItem*>(lines.at(layout.size()+1)); |
|
205 | gridLine = static_cast<QGraphicsLineItem*>(lines.at(layout.size()+1)); | |
200 | gridLine->setLine(gridRect.left(), gridRect.bottom(), gridRect.right(), gridRect.bottom()); |
|
206 | gridLine->setLine(gridRect.left(), gridRect.bottom(), gridRect.right(), gridRect.bottom()); | |
201 | gridLine->setVisible(true); |
|
207 | gridLine->setVisible(true); | |
202 | } |
|
208 | } | |
203 | } |
|
209 | } | |
204 |
|
210 | |||
205 | QSizeF VerticalAxis::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const |
|
211 | QSizeF VerticalAxis::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const | |
206 | { |
|
212 | { | |
207 |
|
213 | |||
208 | Q_UNUSED(constraint); |
|
214 | Q_UNUSED(constraint); | |
209 | QFontMetrics fn(titleFont()); |
|
215 | QFontMetrics fn(titleFont()); | |
210 | QSizeF sh(0,0); |
|
216 | QSizeF sh(0,0); | |
211 |
|
217 | |||
212 | if (titleText().isEmpty() || !titleItem()->isVisible()) |
|
218 | if (titleText().isEmpty() || !titleItem()->isVisible()) | |
213 | return sh; |
|
219 | return sh; | |
214 |
|
220 | |||
215 | switch (which) { |
|
221 | switch (which) { | |
216 | case Qt::MinimumSize: |
|
222 | case Qt::MinimumSize: | |
217 | sh = QSizeF(fn.height() + (titlePadding() * 2), fn.boundingRect("...").width()); |
|
223 | sh = QSizeF(fn.height() + (titlePadding() * 2), fn.boundingRect("...").width()); | |
218 | break; |
|
224 | break; | |
219 | case Qt::MaximumSize: |
|
225 | case Qt::MaximumSize: | |
220 | case Qt::PreferredSize: |
|
226 | case Qt::PreferredSize: | |
221 | sh = QSizeF(fn.height() + (titlePadding() * 2), fn.boundingRect(axis()->titleText()).width()); |
|
227 | sh = QSizeF(fn.height() + (titlePadding() * 2), fn.boundingRect(axis()->titleText()).width()); | |
222 | break; |
|
228 | break; | |
223 | default: |
|
229 | default: | |
224 | break; |
|
230 | break; | |
225 | } |
|
231 | } | |
226 |
|
232 | |||
227 | return sh; |
|
233 | return sh; | |
228 | } |
|
234 | } | |
229 |
|
235 | |||
230 | QTCOMMERCIALCHART_END_NAMESPACE |
|
236 | QTCOMMERCIALCHART_END_NAMESPACE |
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