@@ -1,146 +1,142 | |||
|
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 | #include "chartlayout_p.h" | |
|
24 | 25 | #include <QFontMetrics> |
|
25 | 26 | #include <QDebug> |
|
26 | 27 | #include <qmath.h> |
|
27 | 28 | |
|
28 | 29 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
29 | 30 | |
|
30 | 31 | ChartBarCategoryAxisX::ChartBarCategoryAxisX(QBarCategoryAxis *axis, QGraphicsItem* item) |
|
31 | 32 | : HorizontalAxis(axis, item, true), |
|
32 | 33 | m_categoriesAxis(axis) |
|
33 | 34 | { |
|
34 | ||
|
35 | QObject::connect(m_categoriesAxis,SIGNAL(categoriesChanged()),this, SLOT(handleCategoriesChanged())); | |
|
36 | handleCategoriesChanged(); | |
|
35 | 37 | } |
|
36 | 38 | |
|
37 | 39 | ChartBarCategoryAxisX::~ChartBarCategoryAxisX() |
|
38 | 40 | { |
|
39 | 41 | } |
|
40 | 42 | |
|
41 | 43 | QVector<qreal> ChartBarCategoryAxisX::calculateLayout() const |
|
42 | 44 | { |
|
43 | 45 | QVector<qreal> points; |
|
44 | 46 | const QRectF& gridRect = gridGeometry(); |
|
45 | 47 | qreal range = max() - min(); |
|
46 | 48 | const qreal delta = gridRect.width()/range; |
|
47 | 49 | |
|
48 | 50 | if(delta<2) return points; |
|
49 | 51 | |
|
50 | 52 | qreal offset =-min()-0.5; |
|
51 | 53 | offset = int(offset * delta)%int(delta); |
|
52 | 54 | |
|
53 | 55 | int count = qFloor(range); |
|
54 | 56 | if(count < 1 ) return points; |
|
55 | 57 | |
|
56 | 58 | points.resize(count+2); |
|
57 | 59 | |
|
58 | 60 | for (int i = 0; i < count+2; ++i) { |
|
59 | 61 | points[i] = offset + i * delta + gridRect.left(); |
|
60 | 62 | } |
|
61 | 63 | |
|
62 | 64 | return points; |
|
63 | 65 | } |
|
64 | 66 | |
|
65 | 67 | QStringList ChartBarCategoryAxisX::createCategoryLabels(const QVector<qreal>& layout) const |
|
66 | 68 | { |
|
67 | 69 | QStringList result ; |
|
68 | 70 | const QRectF &gridRect = gridGeometry(); |
|
69 | 71 | qreal d = (max() - min()) / gridRect.width(); |
|
70 | 72 | |
|
71 | 73 | for (int i = 0; i < layout.count() - 1; ++i) { |
|
72 | 74 | qreal x = qFloor((((layout[i] + layout[i + 1]) / 2 - gridRect.left()) * d + min() + 0.5)); |
|
73 | 75 | if ((x < m_categoriesAxis->categories().count()) && (x >= 0)) { |
|
74 | 76 | result << m_categoriesAxis->categories().at(x); |
|
75 | 77 | } else { |
|
76 | 78 | // No label for x coordinate |
|
77 | 79 | result << ""; |
|
78 | 80 | } |
|
79 | 81 | } |
|
80 | 82 | result << ""; |
|
81 | 83 | return result; |
|
82 | 84 | } |
|
83 | 85 | |
|
84 | 86 | |
|
85 | 87 | void ChartBarCategoryAxisX::updateGeometry() |
|
86 | 88 | { |
|
87 | 89 | const QVector<qreal>& layout = ChartAxis::layout(); |
|
88 | 90 | if (layout.isEmpty()) |
|
89 | 91 | return; |
|
90 | 92 | setLabels(createCategoryLabels(layout)); |
|
91 | 93 | HorizontalAxis::updateGeometry(); |
|
92 | 94 | } |
|
93 | 95 | |
|
94 |
void ChartBarCategoryAxisX::handle |
|
|
96 | void ChartBarCategoryAxisX::handleCategoriesChanged() | |
|
95 | 97 | { |
|
96 | //TODO: | |
|
97 | /* | |
|
98 | if (m_categoriesAxis->categories() != m_categories) { | |
|
99 | m_categories = m_categoriesAxis->categories(); | |
|
100 | if (ChartAxis::layout().count() == m_categoriesAxis->d_ptr->count() + 2) | |
|
101 | updateGeometry(); | |
|
102 | } | |
|
103 | */ | |
|
104 | //TODO: ChartAxis::handleAxisUpdated(); | |
|
98 | if(presenter()) presenter()->layout()->invalidate(); | |
|
105 | 99 | } |
|
106 | 100 | |
|
107 | 101 | QSizeF ChartBarCategoryAxisX::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const |
|
108 | 102 | { |
|
109 | 103 | Q_UNUSED(constraint) |
|
110 | 104 | |
|
111 | 105 | QFontMetrics fn(font()); |
|
112 | 106 | QSizeF sh; |
|
113 | 107 | QSizeF base = HorizontalAxis::sizeHint(which, constraint); |
|
114 |
QStringList ticksList = |
|
|
108 | QStringList ticksList = m_categoriesAxis->categories(); | |
|
115 | 109 | |
|
116 | 110 | qreal width=0; |
|
117 | 111 | qreal height=0; |
|
118 | 112 | |
|
119 | 113 | switch (which) { |
|
120 | 114 | case Qt::MinimumSize: |
|
121 | 115 | width = fn.boundingRect("...").width(); |
|
122 | 116 | height = fn.height()+labelPadding(); |
|
123 | 117 | width=qMax(width,base.width()); |
|
124 | 118 | height += base.height(); |
|
125 | 119 | sh = QSizeF(width,height); |
|
126 | 120 | break; |
|
127 | 121 | case Qt::PreferredSize:{ |
|
128 | 122 | |
|
129 | 123 | for (int i = 0; i < ticksList.size(); ++i) |
|
130 | 124 | { |
|
131 | 125 | QRectF rect = fn.boundingRect(ticksList.at(i)); |
|
132 | 126 | width += rect.width(); |
|
133 | 127 | } |
|
134 | 128 | height = fn.height()+labelPadding(); |
|
135 | 129 | width = qMax(width,base.width()); |
|
136 | 130 | height += base.height(); |
|
137 | 131 | sh = QSizeF(width,height); |
|
138 | 132 | break; |
|
139 | 133 | } |
|
140 | 134 | default: |
|
141 | 135 | break; |
|
142 | 136 | } |
|
143 | 137 | return sh; |
|
144 | 138 | } |
|
145 | 139 | |
|
140 | #include "moc_chartbarcategoryaxisx_p.cpp" | |
|
141 | ||
|
146 | 142 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,62 +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 | // W A R N I N G |
|
22 | 22 | // ------------- |
|
23 | 23 | // |
|
24 | 24 | // This file is not part of the QtCommercial Chart API. It exists purely as an |
|
25 | 25 | // implementation detail. This header file may change from version to |
|
26 | 26 | // version without notice, or even be removed. |
|
27 | 27 | // |
|
28 | 28 | // We mean it. |
|
29 | 29 | |
|
30 | 30 | #ifndef CHARTBARCATEGORYAXISX_H |
|
31 | 31 | #define CHARTBARCATEGORYAXISX_H |
|
32 | 32 | |
|
33 | 33 | #include "horizontalaxis_p.h" |
|
34 | 34 | |
|
35 | 35 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
36 | 36 | |
|
37 | 37 | class ChartPresenter; |
|
38 | 38 | class QBarCategoryAxis; |
|
39 | 39 | |
|
40 | 40 | class ChartBarCategoryAxisX : public HorizontalAxis |
|
41 | 41 | { |
|
42 | Q_OBJECT | |
|
42 | 43 | public: |
|
43 | 44 | ChartBarCategoryAxisX(QBarCategoryAxis *axis, QGraphicsItem* item = 0); |
|
44 | 45 | ~ChartBarCategoryAxisX(); |
|
45 | 46 | |
|
46 | 47 | QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint) const; |
|
47 | 48 | protected: |
|
48 | 49 | QVector<qreal> calculateLayout() const; |
|
49 | 50 | void updateGeometry(); |
|
50 | 51 | private: |
|
51 | 52 | QStringList createCategoryLabels(const QVector<qreal>& layout) const; |
|
52 | 53 | public Q_SLOTS: |
|
53 |
void handle |
|
|
54 | void handleCategoriesChanged(); | |
|
54 | 55 | |
|
55 | 56 | private: |
|
56 | QStringList m_categories; | |
|
57 | 57 | QBarCategoryAxis *m_categoriesAxis; |
|
58 | 58 | }; |
|
59 | 59 | |
|
60 | 60 | QTCOMMERCIALCHART_END_NAMESPACE |
|
61 | 61 | |
|
62 | 62 | #endif /* CHARTBARCATEGORYAXISX_H */ |
@@ -1,145 +1,143 | |||
|
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 | #include "chartlayout_p.h" | |
|
24 | 25 | #include <qmath.h> |
|
25 | 26 | #include <QFontMetrics> |
|
26 | 27 | #include <QDebug> |
|
27 | 28 | |
|
28 | 29 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
29 | 30 | |
|
30 | 31 | ChartBarCategoryAxisY::ChartBarCategoryAxisY(QBarCategoryAxis *axis, QGraphicsItem* item) |
|
31 | 32 | : VerticalAxis(axis, item, true), |
|
32 | 33 | m_categoriesAxis(axis) |
|
33 | 34 | { |
|
35 | QObject::connect( m_categoriesAxis,SIGNAL(categoriesChanged()),this, SLOT(handleCategoriesChanged())); | |
|
36 | handleCategoriesChanged(); | |
|
34 | 37 | } |
|
35 | 38 | |
|
36 | 39 | ChartBarCategoryAxisY::~ChartBarCategoryAxisY() |
|
37 | 40 | { |
|
38 | 41 | } |
|
39 | 42 | |
|
40 | 43 | QVector<qreal> ChartBarCategoryAxisY::calculateLayout() const |
|
41 | 44 | { |
|
42 | 45 | QVector<qreal> points; |
|
43 | 46 | const QRectF& gridRect = gridGeometry(); |
|
44 | 47 | qreal range = max() - min(); |
|
45 | 48 | const qreal delta = gridRect.height()/range; |
|
46 | 49 | |
|
47 | 50 | if(delta<2) return points; |
|
48 | 51 | |
|
49 | 52 | qreal offset = - min() - 0.5; |
|
50 | 53 | offset = int(offset * delta)%int(delta); |
|
51 | 54 | |
|
52 | 55 | int count = qFloor(range); |
|
53 | 56 | if(count < 1 ) return points; |
|
54 | 57 | |
|
55 | 58 | points.resize(count+2); |
|
56 | 59 | |
|
57 | 60 | for (int i = 0; i < count+2; ++i) { |
|
58 | 61 | points[i] = gridRect.bottom() - i * delta -offset; |
|
59 | 62 | } |
|
60 | 63 | |
|
61 | 64 | return points; |
|
62 | 65 | } |
|
63 | 66 | |
|
64 | 67 | QStringList ChartBarCategoryAxisY::createCategoryLabels(const QVector<qreal>& layout) const |
|
65 | 68 | { |
|
66 | 69 | QStringList result; |
|
67 | 70 | const QRectF &gridRect = gridGeometry(); |
|
68 | 71 | qreal d = (max() - min()) / gridRect.height(); |
|
69 | 72 | |
|
70 | 73 | for (int i = 0; i < layout.count() - 1; ++i) { |
|
71 | 74 | qreal x = qFloor(((gridRect.height() - (layout[i + 1] + layout[i]) / 2 + gridRect.top()) * d + min() + 0.5)); |
|
72 | 75 | if ((x < m_categoriesAxis->categories().count()) && (x >= 0)) { |
|
73 | 76 | result << m_categoriesAxis->categories().at(x); |
|
74 | 77 | } else { |
|
75 | 78 | // No label for x coordinate |
|
76 | 79 | result << ""; |
|
77 | 80 | } |
|
78 | 81 | } |
|
79 | 82 | result << ""; |
|
80 | 83 | return result; |
|
81 | 84 | } |
|
82 | 85 | |
|
83 | 86 | void ChartBarCategoryAxisY::updateGeometry() |
|
84 | 87 | { |
|
85 | 88 | const QVector<qreal>& layout = ChartAxis::layout(); |
|
86 | 89 | if (layout.isEmpty()) |
|
87 | 90 | return; |
|
88 | 91 | setLabels(createCategoryLabels(layout)); |
|
89 | 92 | VerticalAxis::updateGeometry(); |
|
90 | 93 | } |
|
91 | 94 | |
|
92 |
void ChartBarCategoryAxisY::handle |
|
|
95 | void ChartBarCategoryAxisY::handleCategoriesChanged() | |
|
93 | 96 | { |
|
94 | //TODO: | |
|
95 | /* | |
|
96 | if (m_categoriesAxis->categories() != m_categories) { | |
|
97 | m_categories = m_categoriesAxis->categories(); | |
|
98 | if (ChartAxis::layout().count() == m_categoriesAxis->d_ptr->count() + 2) | |
|
99 | updateGeometry(); | |
|
100 | }*/ | |
|
101 | //TODO :: ChartAxis::handleAxisUpdated(); | |
|
97 | QGraphicsLayoutItem::updateGeometry(); | |
|
98 | if(presenter()) presenter()->layout()->invalidate(); | |
|
102 | 99 | } |
|
103 | 100 | |
|
104 | 101 | QSizeF ChartBarCategoryAxisY::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const |
|
105 | 102 | { |
|
106 | 103 | Q_UNUSED(constraint) |
|
107 | 104 | |
|
108 | 105 | QFontMetrics fn(font()); |
|
109 | 106 | QSizeF sh; |
|
110 | 107 | QSizeF base = VerticalAxis::sizeHint(which, constraint); |
|
111 |
QStringList ticksList = |
|
|
112 | ||
|
108 | QStringList ticksList = m_categoriesAxis->categories(); | |
|
113 | 109 | qreal width=0; |
|
114 | 110 | qreal height=0; |
|
115 | 111 | |
|
116 | 112 | switch (which) { |
|
117 | 113 | case Qt::MinimumSize: |
|
118 | 114 | width = fn.boundingRect("...").width() + labelPadding(); |
|
119 | 115 | height = fn.height(); |
|
120 | 116 | width+=base.width(); |
|
121 | 117 | if(base.width()>0) width+=labelPadding(); |
|
122 | 118 | height=qMax(height,base.height()); |
|
123 | 119 | sh = QSizeF(width,height); |
|
124 | 120 | break; |
|
125 | 121 | case Qt::PreferredSize:{ |
|
126 | 122 | |
|
127 | 123 | for (int i = 0; i < ticksList.size(); ++i) |
|
128 | 124 | { |
|
129 | 125 | QRectF rect = fn.boundingRect(ticksList.at(i)); |
|
130 | 126 | height+=rect.height(); |
|
131 | 127 | width=qMax(rect.width()+labelPadding(),width); //one pixel torelance |
|
132 | 128 | } |
|
133 | 129 | height=qMax(height,base.height()); |
|
134 | 130 | width+=base.width(); |
|
135 | 131 | if(base.width()>0) width+=labelPadding(); |
|
136 | 132 | sh = QSizeF(width,height); |
|
137 | 133 | break; |
|
138 | 134 | } |
|
139 | 135 | default: |
|
140 | 136 | break; |
|
141 | 137 | } |
|
142 | 138 | return sh; |
|
143 | 139 | } |
|
144 | 140 | |
|
141 | #include "moc_chartbarcategoryaxisy_p.cpp" | |
|
142 | ||
|
145 | 143 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,61 +1,61 | |||
|
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 | // W A R N I N G |
|
22 | 22 | // ------------- |
|
23 | 23 | // |
|
24 | 24 | // This file is not part of the QtCommercial Chart API. It exists purely as an |
|
25 | 25 | // implementation detail. This header file may change from version to |
|
26 | 26 | // version without notice, or even be removed. |
|
27 | 27 | // |
|
28 | 28 | // We mean it. |
|
29 | 29 | |
|
30 | 30 | #ifndef CHARTBARCATEGORYAXISY_H |
|
31 | 31 | #define CHARTBARCATEGORYAXISY_H |
|
32 | 32 | |
|
33 | 33 | #include "verticalaxis_p.h" |
|
34 | 34 | |
|
35 | 35 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
36 | 36 | |
|
37 | 37 | class QBarCategoryAxis; |
|
38 | 38 | class ChartPresenter; |
|
39 | 39 | |
|
40 | 40 | class ChartBarCategoryAxisY : public VerticalAxis |
|
41 | 41 | { |
|
42 | Q_OBJECT | |
|
42 | 43 | public: |
|
43 | 44 | ChartBarCategoryAxisY(QBarCategoryAxis *axis, QGraphicsItem* item = 0); |
|
44 | 45 | ~ChartBarCategoryAxisY(); |
|
45 | 46 | |
|
46 | 47 | QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint) const; |
|
47 | 48 | protected: |
|
48 | 49 | QVector<qreal> calculateLayout() const; |
|
49 | 50 | void updateGeometry(); |
|
50 | 51 | private: |
|
51 | 52 | QStringList createCategoryLabels(const QVector<qreal>& layout) const; |
|
52 | 53 | public Q_SLOTS: |
|
53 |
void handle |
|
|
54 | void handleCategoriesChanged(); | |
|
54 | 55 | private: |
|
55 | QStringList m_categories; | |
|
56 | 56 | QBarCategoryAxis *m_categoriesAxis; |
|
57 | 57 | }; |
|
58 | 58 | |
|
59 | 59 | QTCOMMERCIALCHART_END_NAMESPACE |
|
60 | 60 | |
|
61 | 61 | #endif /* CHARTBARCATEGORYAXISY_H */ |
@@ -1,210 +1,210 | |||
|
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" |
|
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, QGraphicsItem* item , bool intervalAxis) |
|
30 | 30 | : ChartAxis(axis, item, 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 | 70 | //title |
|
71 | 71 | |
|
72 | 72 | if (!titleText().isNull()) { |
|
73 | 73 | QFontMetrics fn(title->font()); |
|
74 | 74 | |
|
75 | 75 | int size(0); |
|
76 | 76 | |
|
77 | 77 | size = gridRect.width(); |
|
78 | 78 | QString titleText = this->titleText(); |
|
79 | 79 | |
|
80 | 80 | if (fn.boundingRect(titleText).width() > size) { |
|
81 | 81 | QString string = titleText + "..."; |
|
82 | 82 | while (fn.boundingRect(string).width() > size && string.length() > 3) |
|
83 | 83 | string.remove(string.length() - 4, 1); |
|
84 | 84 | title->setText(string); |
|
85 | 85 | } else { |
|
86 | 86 | title->setText(titleText); |
|
87 | 87 | } |
|
88 | 88 | |
|
89 | 89 | QPointF center = gridRect.center() - title->boundingRect().center(); |
|
90 | 90 | if (alignment() == Qt::AlignTop) { |
|
91 | 91 | title->setPos(center.x(), axisRect.top()); |
|
92 | 92 | } else if (alignment() == Qt::AlignBottom) { |
|
93 | 93 | title->setPos(center.x(), axisRect.bottom() - title->boundingRect().height()); |
|
94 | 94 | } |
|
95 | 95 | } |
|
96 | 96 | |
|
97 | 97 | for (int i = 0; i < layout.size(); ++i) { |
|
98 | 98 | |
|
99 | 99 | //items |
|
100 | 100 | QGraphicsLineItem *gridItem = static_cast<QGraphicsLineItem*>(lines.at(i)); |
|
101 | 101 | QGraphicsLineItem *tickItem = static_cast<QGraphicsLineItem*>(axis.at(i + 1)); |
|
102 | 102 | QGraphicsSimpleTextItem *labelItem = static_cast<QGraphicsSimpleTextItem *>(labels.at(i)); |
|
103 | 103 | |
|
104 | 104 | //grid line |
|
105 | 105 | gridItem->setLine(layout[i], gridRect.top(), layout[i], gridRect.bottom()); |
|
106 | 106 | |
|
107 | 107 | //label text wrapping |
|
108 | 108 | if(intervalAxis()&& i+1!=layout.size()) { |
|
109 | 109 | //wrapping in case of interval axis |
|
110 | 110 | const qreal delta = layout[i+1] - layout[i]; |
|
111 | 111 | QString text = labelList.at(i); |
|
112 | 112 | if (fn.boundingRect(text).width() + 1 > delta ) |
|
113 | 113 | { |
|
114 | 114 | QString label = text + "..."; |
|
115 | 115 | while (fn.boundingRect(label).width() >= delta && label.length() > 3) |
|
116 | 116 | label.remove(label.length() - 4, 1); |
|
117 | 117 | labelItem->setText(label); |
|
118 | 118 | } |
|
119 | 119 | else { |
|
120 | 120 | labelItem->setText(text); |
|
121 | 121 | } |
|
122 | 122 | }else{ |
|
123 | 123 | labelItem->setText(labelList.at(i)); |
|
124 | 124 | } |
|
125 | 125 | |
|
126 | 126 | //label transformation origin point |
|
127 | 127 | const QRectF& rect = labelItem->boundingRect(); |
|
128 | 128 | QPointF center = rect.center(); |
|
129 | 129 | labelItem->setTransformOriginPoint(center.x(), center.y()); |
|
130 | 130 | |
|
131 | 131 | //ticks and label position |
|
132 | 132 | if (alignment() == Qt::AlignTop) { |
|
133 | 133 | labelItem->setPos(layout[i] - center.x(), axisRect.bottom() - rect.height() - labelPadding()); |
|
134 | 134 | tickItem->setLine(layout[i], axisRect.bottom(), layout[i], axisRect.bottom() - labelPadding()); |
|
135 | 135 | } else if (alignment() == Qt::AlignBottom) { |
|
136 | 136 | labelItem->setPos(layout[i] - center.x(), axisRect.top() + labelPadding()); |
|
137 | 137 | tickItem->setLine(layout[i], axisRect.top(), layout[i], axisRect.top() + labelPadding()); |
|
138 | 138 | } |
|
139 | 139 | |
|
140 | 140 | //label in beetwen |
|
141 | 141 | if(intervalAxis()&& i+1!=layout.size()) { |
|
142 | 142 | const qreal delta = (layout[i+1] - layout[i])/2; |
|
143 | 143 | labelItem->setPos(layout[i] + delta - center.x(), labelItem->pos().y()); |
|
144 | 144 | } |
|
145 | 145 | |
|
146 | 146 | //label overlap detection |
|
147 | 147 | if(labelItem->pos().x() < width || |
|
148 | 148 | labelItem->pos().x() < axisRect.left() || |
|
149 | 149 | labelItem->pos().x() + rect.width() > axisRect.right()) { |
|
150 | 150 | labelItem->setVisible(false); |
|
151 | 151 | } else { |
|
152 | 152 | labelItem->setVisible(true); |
|
153 | 153 | width=rect.width()+labelItem->pos().x(); |
|
154 | 154 | } |
|
155 | 155 | |
|
156 | 156 | //shades |
|
157 | 157 | if ((i + 1) % 2 && i > 1) { |
|
158 | 158 | QGraphicsRectItem *rectItem = static_cast<QGraphicsRectItem *>(shades.at(i / 2 - 1)); |
|
159 | 159 | rectItem->setRect(layout[i - 1], gridRect.top(), layout[i] - layout[i - 1], gridRect.height()); |
|
160 | 160 | } |
|
161 | 161 | |
|
162 | 162 | // check if the grid line and the axis tick should be shown |
|
163 | 163 | qreal x = gridItem->line().p1().x(); |
|
164 | 164 | if (x < gridRect.left() || x > gridRect.right()) { |
|
165 | 165 | gridItem->setVisible(false); |
|
166 | 166 | tickItem->setVisible(false); |
|
167 | 167 | }else{ |
|
168 | 168 | gridItem->setVisible(true); |
|
169 | 169 | tickItem->setVisible(true); |
|
170 | 170 | } |
|
171 | 171 | |
|
172 | 172 | } |
|
173 | 173 | |
|
174 | 174 | //begin/end grid line in case labels between |
|
175 | 175 | if (intervalAxis()) { |
|
176 | 176 | QGraphicsLineItem *gridLine; |
|
177 | 177 | gridLine = static_cast<QGraphicsLineItem *>(lines.at(layout.size())); |
|
178 | 178 | gridLine->setLine(gridRect.right(), gridRect.top(), gridRect.right(), gridRect.bottom()); |
|
179 | 179 | gridLine->setVisible(true); |
|
180 | 180 | gridLine = static_cast<QGraphicsLineItem*>(lines.at(layout.size()+1)); |
|
181 | 181 | gridLine->setLine(gridRect.left(), gridRect.top(), gridRect.left(), gridRect.bottom()); |
|
182 | 182 | gridLine->setVisible(true); |
|
183 | 183 | } |
|
184 | 184 | } |
|
185 | 185 | |
|
186 | 186 | QSizeF HorizontalAxis::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const |
|
187 | 187 | { |
|
188 | 188 | Q_UNUSED(constraint); |
|
189 | 189 | QFontMetrics fn(titleFont()); |
|
190 | QSizeF sh; | |
|
190 | QSizeF sh(0,0); | |
|
191 | 191 | |
|
192 | 192 | if (titleText().isNull() || !titleItem()->isVisible()) |
|
193 | 193 | return sh; |
|
194 | 194 | |
|
195 | 195 | switch (which) { |
|
196 | 196 | case Qt::MinimumSize: |
|
197 | 197 | sh = QSizeF(fn.boundingRect("...").width(), fn.height()); |
|
198 | 198 | break; |
|
199 | 199 | case Qt::MaximumSize: |
|
200 | 200 | case Qt::PreferredSize: |
|
201 | 201 | sh = QSizeF(fn.boundingRect(axis()->titleText()).width(), fn.height()); |
|
202 | 202 | break; |
|
203 | 203 | default: |
|
204 | 204 | break; |
|
205 | 205 | } |
|
206 | 206 | |
|
207 | 207 | return sh; |
|
208 | 208 | } |
|
209 | 209 | |
|
210 | 210 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,124 +1,122 | |||
|
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 "chartvalueaxisx_p.h" |
|
22 | 22 | #include "qabstractaxis.h" |
|
23 | 23 | #include "chartpresenter_p.h" |
|
24 | 24 | #include "qvalueaxis.h" |
|
25 | 25 | #include "chartlayout_p.h" |
|
26 | 26 | #include <QGraphicsLayout> |
|
27 | 27 | #include <QFontMetrics> |
|
28 | 28 | #include <qmath.h> |
|
29 | 29 | #include <QDebug> |
|
30 | 30 | |
|
31 | 31 | |
|
32 | 32 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
33 | 33 | |
|
34 | 34 | ChartValueAxisX::ChartValueAxisX(QValueAxis *axis, QGraphicsItem* item ) |
|
35 | 35 | : HorizontalAxis(axis, item), |
|
36 | 36 | m_axis(axis) |
|
37 | 37 | { |
|
38 | 38 | QObject::connect(m_axis,SIGNAL(tickCountChanged(int)),this, SLOT(handleTickCountChanged(int))); |
|
39 | 39 | } |
|
40 | 40 | |
|
41 | 41 | ChartValueAxisX::~ChartValueAxisX() |
|
42 | 42 | { |
|
43 | 43 | } |
|
44 | 44 | |
|
45 | 45 | QVector<qreal> ChartValueAxisX::calculateLayout() const |
|
46 | 46 | { |
|
47 | 47 | int tickCount = m_axis->tickCount(); |
|
48 | 48 | |
|
49 | 49 | Q_ASSERT(tickCount >= 2); |
|
50 | 50 | |
|
51 | 51 | QVector<qreal> points; |
|
52 | 52 | points.resize(tickCount); |
|
53 | 53 | |
|
54 | 54 | const QRectF &gridRect = gridGeometry(); |
|
55 | 55 | const qreal deltaX = gridRect.width() / (tickCount - 1); |
|
56 | 56 | for (int i = 0; i < tickCount; ++i) { |
|
57 | 57 | points[i] = i * deltaX + gridRect.left(); |
|
58 | 58 | } |
|
59 | 59 | return points; |
|
60 | 60 | } |
|
61 | 61 | |
|
62 | 62 | void ChartValueAxisX::updateGeometry() |
|
63 | 63 | { |
|
64 | 64 | const QVector<qreal>& layout = ChartAxis::layout(); |
|
65 | 65 | if (layout.isEmpty()) |
|
66 | 66 | return; |
|
67 | 67 | setLabels(createValueLabels(min(),max(),layout.size(),m_axis->labelFormat())); |
|
68 | 68 | HorizontalAxis::updateGeometry(); |
|
69 | 69 | } |
|
70 | 70 | |
|
71 | 71 | void ChartValueAxisX::handleTickCountChanged(int tick) |
|
72 | 72 | { |
|
73 | 73 | Q_UNUSED(tick); |
|
74 | 74 | if(presenter()) presenter()->layout()->invalidate(); |
|
75 | //QVector<qreal> layout = calculateLayout(); | |
|
76 | //updateLayout(layout); | |
|
77 | 75 | } |
|
78 | 76 | |
|
79 | 77 | QSizeF ChartValueAxisX::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const |
|
80 | 78 | { |
|
81 | 79 | Q_UNUSED(constraint) |
|
82 | 80 | |
|
83 | 81 | QFontMetrics fn(font()); |
|
84 | 82 | QSizeF sh; |
|
85 | 83 | |
|
86 | 84 | QSizeF base = HorizontalAxis::sizeHint(which, constraint); |
|
87 | 85 | QStringList ticksList = createValueLabels(min(),max(),m_axis->tickCount(),m_axis->labelFormat()); |
|
88 | 86 | qreal width = 0; |
|
89 | 87 | qreal height = 0; |
|
90 | 88 | |
|
91 | 89 | int count = 1; |
|
92 | 90 | |
|
93 | 91 | if(!ticksList.empty()) { |
|
94 | 92 | count = qMax(ticksList.last().count(),ticksList.first().count()); |
|
95 | 93 | } |
|
96 | 94 | |
|
97 | 95 | switch (which) { |
|
98 | 96 | case Qt::MinimumSize:{ |
|
99 | 97 | count = qMin(count,5); |
|
100 | 98 | width = fn.averageCharWidth() * count; |
|
101 | 99 | height = fn.height() + labelPadding(); |
|
102 | 100 | width = qMax(width,base.width()); |
|
103 | 101 | height += base.height(); |
|
104 | 102 | sh = QSizeF(width,height); |
|
105 | 103 | break; |
|
106 | 104 | } |
|
107 | 105 | case Qt::PreferredSize:{ |
|
108 | 106 | width=fn.averageCharWidth() * count; |
|
109 | 107 | height=fn.height()+labelPadding(); |
|
110 | 108 | width=qMax(width,base.width()); |
|
111 | 109 | height+=base.height(); |
|
112 | 110 | sh = QSizeF(width,height); |
|
113 | 111 | break; |
|
114 | 112 | } |
|
115 | 113 | default: |
|
116 | 114 | break; |
|
117 | 115 | } |
|
118 | 116 | |
|
119 | 117 | return sh; |
|
120 | 118 | } |
|
121 | 119 | |
|
122 | 120 | #include "moc_chartvalueaxisx_p.cpp" |
|
123 | 121 | |
|
124 | 122 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,123 +1,121 | |||
|
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 "chartvalueaxisy_p.h" |
|
22 | 22 | #include "qabstractaxis.h" |
|
23 | 23 | #include "chartpresenter_p.h" |
|
24 | 24 | #include "qvalueaxis.h" |
|
25 | 25 | #include "chartlayout_p.h" |
|
26 | 26 | #include <QGraphicsLayout> |
|
27 | 27 | #include <QFontMetrics> |
|
28 | 28 | #include <qmath.h> |
|
29 | 29 | #include <QDebug> |
|
30 | 30 | |
|
31 | 31 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
32 | 32 | |
|
33 | 33 | ChartValueAxisY::ChartValueAxisY(QValueAxis *axis, QGraphicsItem* item) |
|
34 | 34 | : VerticalAxis(axis, item), |
|
35 | 35 | m_axis(axis) |
|
36 | 36 | { |
|
37 | 37 | QObject::connect(m_axis,SIGNAL(tickCountChanged(int)),this, SLOT(handleTickCountChanged(int))); |
|
38 | 38 | } |
|
39 | 39 | |
|
40 | 40 | ChartValueAxisY::~ChartValueAxisY() |
|
41 | 41 | { |
|
42 | 42 | } |
|
43 | 43 | |
|
44 | 44 | QVector<qreal> ChartValueAxisY::calculateLayout() const |
|
45 | 45 | { |
|
46 | 46 | int tickCount = m_axis->tickCount(); |
|
47 | 47 | |
|
48 | 48 | Q_ASSERT(tickCount >= 2); |
|
49 | 49 | |
|
50 | 50 | QVector<qreal> points; |
|
51 | 51 | points.resize(tickCount); |
|
52 | 52 | |
|
53 | 53 | const QRectF &gridRect = gridGeometry(); |
|
54 | 54 | |
|
55 | 55 | const qreal deltaY = gridRect.height() / (tickCount - 1); |
|
56 | 56 | for (int i = 0; i < tickCount; ++i) { |
|
57 | 57 | points[i] = i * -deltaY + gridRect.bottom(); |
|
58 | 58 | } |
|
59 | 59 | |
|
60 | 60 | return points; |
|
61 | 61 | } |
|
62 | 62 | |
|
63 | 63 | void ChartValueAxisY::updateGeometry() |
|
64 | 64 | { |
|
65 | 65 | const QVector<qreal> &layout = ChartAxis::layout(); |
|
66 | 66 | if (layout.isEmpty()) |
|
67 | 67 | return; |
|
68 | 68 | setLabels(createValueLabels(min(),max(),layout.size(),m_axis->labelFormat())); |
|
69 | 69 | VerticalAxis::updateGeometry(); |
|
70 | 70 | } |
|
71 | 71 | |
|
72 | 72 | void ChartValueAxisY::handleTickCountChanged(int tick) |
|
73 | 73 | { |
|
74 | 74 | Q_UNUSED(tick); |
|
75 | 75 | if(presenter()) presenter()->layout()->invalidate(); |
|
76 | //QVector<qreal> layout = calculateLayout(); | |
|
77 | //updateLayout(layout); | |
|
78 | 76 | } |
|
79 | 77 | |
|
80 | 78 | QSizeF ChartValueAxisY::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const |
|
81 | 79 | { |
|
82 | 80 | Q_UNUSED(constraint) |
|
83 | 81 | |
|
84 | 82 | QFontMetrics fn(font()); |
|
85 | 83 | QSizeF sh; |
|
86 | 84 | QSizeF base = VerticalAxis::sizeHint(which, constraint); |
|
87 | 85 | QStringList ticksList = createValueLabels(min(),max(),m_axis->tickCount(),m_axis->labelFormat()); |
|
88 | 86 | qreal width = 0; |
|
89 | 87 | qreal height = 0; |
|
90 | 88 | |
|
91 | 89 | int count = 1; |
|
92 | 90 | |
|
93 | 91 | if(!ticksList.empty()){ |
|
94 | 92 | count = qMax(ticksList.last().count(),ticksList.first().count()); |
|
95 | 93 | } |
|
96 | 94 | |
|
97 | 95 | switch (which) { |
|
98 | 96 | case Qt::MinimumSize: { |
|
99 | 97 | width = fn.boundingRect("...").width() + labelPadding(); |
|
100 | 98 | width += base.width(); |
|
101 | 99 | height = fn.height(); |
|
102 | 100 | height = qMax(height,base.height()); |
|
103 | 101 | sh = QSizeF(width,height); |
|
104 | 102 | break; |
|
105 | 103 | } |
|
106 | 104 | case Qt::PreferredSize: |
|
107 | 105 | { |
|
108 | 106 | width = count*fn.averageCharWidth() + labelPadding() + 2; //two pixels of tolerance |
|
109 | 107 | width += base.width(); |
|
110 | 108 | height = fn.height() * ticksList.count(); |
|
111 | 109 | height = qMax(height,base.height()); |
|
112 | 110 | sh = QSizeF(width,height); |
|
113 | 111 | break; |
|
114 | 112 | } |
|
115 | 113 | default: |
|
116 | 114 | break; |
|
117 | 115 | } |
|
118 | 116 | return sh; |
|
119 | 117 | } |
|
120 | 118 | |
|
121 | 119 | #include "moc_chartvalueaxisy_p.cpp" |
|
122 | 120 | |
|
123 | 121 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,212 +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, QGraphicsItem* item, bool intervalAxis) |
|
29 | 29 | : ChartAxis(axis, item, 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(); |
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50 | 50 | QList<QGraphicsItem *> shades = shadeItems(); |
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51 | 51 | QList<QGraphicsItem *> axis = arrowItems(); |
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52 | 52 | QGraphicsSimpleTextItem* title = titleItem(); |
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53 | 53 | |
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54 | 54 | Q_ASSERT(labels.size() == labelList.size()); |
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55 | 55 | Q_ASSERT(layout.size() == labelList.size()); |
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56 | 56 | |
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57 | 57 | const QRectF &axisRect = axisGeometry(); |
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58 | 58 | const QRectF &gridRect = gridGeometry(); |
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59 | 59 | |
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60 | 60 | qreal height = axisRect.bottom(); |
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61 | 61 | |
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62 | 62 | |
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63 | 63 | //arrow |
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64 | 64 | QGraphicsLineItem *arrowItem = static_cast<QGraphicsLineItem*>(axis.at(0)); |
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65 | 65 | |
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66 | 66 | //arrow position |
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67 | 67 | if (alignment()==Qt::AlignLeft) |
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68 | 68 | arrowItem->setLine( axisRect.right() , gridRect.top(), axisRect.right(), gridRect.bottom()); |
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69 | 69 | else if(alignment()==Qt::AlignRight) |
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70 | 70 | arrowItem->setLine( axisRect.left() , gridRect.top(), axisRect.left(), gridRect.bottom()); |
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71 | 71 | |
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72 | 72 | QFontMetrics fn(font()); |
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73 | 73 | |
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74 | 74 | //title |
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75 | 75 | |
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76 | 76 | if (!titleText().isNull()) { |
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77 | 77 | QFontMetrics fn(title->font()); |
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78 | 78 | |
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79 | 79 | int size(0); |
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80 | 80 | size = gridRect.height(); |
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81 | 81 | QString titleText = this->titleText(); |
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82 | 82 | |
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83 | 83 | if (fn.boundingRect(titleText).width() > size) { |
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84 | 84 | QString string = titleText + "..."; |
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85 | 85 | while (fn.boundingRect(string).width() > size && string.length() > 3) |
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86 | 86 | string.remove(string.length() - 4, 1); |
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87 | 87 | title->setText(string); |
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88 | 88 | } |
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89 | 89 | else { |
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90 | 90 | title->setText(titleText); |
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91 | 91 | } |
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92 | 92 | |
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93 | 93 | QPointF center = gridRect.center() - title->boundingRect().center(); |
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94 | 94 | if (alignment() == Qt::AlignLeft) { |
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95 | 95 | title->setPos(axisRect.left() - title->boundingRect().width()/2 + title->boundingRect().height()/2 , center.y()); |
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96 | 96 | } |
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97 | 97 | else if (alignment() == Qt::AlignRight) { |
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98 | 98 | title->setPos(axisRect.right()- title->boundingRect().width()/2 - title->boundingRect().height()/2, center.y()); |
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99 | 99 | } |
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100 | 100 | title->setTransformOriginPoint(title->boundingRect().center()); |
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101 | 101 | title->setRotation(270); |
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102 | 102 | } |
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103 | 103 | |
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104 | 104 | for (int i = 0; i < layout.size(); ++i) { |
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105 | 105 | |
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106 | 106 | //items |
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107 | 107 | QGraphicsLineItem *gridItem = static_cast<QGraphicsLineItem *>(lines.at(i)); |
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108 | 108 | QGraphicsLineItem *tickItem = static_cast<QGraphicsLineItem *>(axis.at(i + 1)); |
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109 | 109 | QGraphicsSimpleTextItem *labelItem = static_cast<QGraphicsSimpleTextItem *>(labels.at(i)); |
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110 | 110 | |
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111 | 111 | //grid line |
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112 | 112 | gridItem->setLine(gridRect.left() , layout[i], gridRect.right(), layout[i]); |
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113 | 113 | |
|
114 | 114 | //label text wrapping |
|
115 | 115 | QString text = labelList.at(i); |
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116 | 116 | qreal size = axisRect.right() - axisRect.left() - labelPadding() - title->boundingRect().height(); |
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117 | 117 | if (fn.boundingRect(text).width() > size) { |
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118 | 118 | QString label = text + "..."; |
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119 | 119 | while (fn.boundingRect(label).width() > size && label.length() > 3) |
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120 | 120 | label.remove(label.length() - 4, 1); |
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121 | 121 | labelItem->setText(label); |
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122 | 122 | } else { |
|
123 | 123 | labelItem->setText(text); |
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124 | 124 | } |
|
125 | 125 | //label transformation origin point |
|
126 | 126 | const QRectF &rect = labelItem->boundingRect(); |
|
127 | 127 | |
|
128 | 128 | QPointF center = rect.center(); |
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129 | 129 | labelItem->setTransformOriginPoint(center.x(), center.y()); |
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130 | 130 | |
|
131 | 131 | //ticks and label position |
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132 | 132 | if (alignment() == Qt::AlignLeft) { |
|
133 | 133 | labelItem->setPos(axisRect.right() - rect.width() - labelPadding() , layout[i] - center.y()); |
|
134 | 134 | tickItem->setLine(axisRect.right() - labelPadding(), layout[i], axisRect.right(), layout[i]); |
|
135 | 135 | } else if (alignment() == Qt::AlignRight) { |
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136 | 136 | labelItem->setPos(axisRect.left() + labelPadding() , layout[i] - center.y()); |
|
137 | 137 | tickItem->setLine(axisRect.left(), layout[i], axisRect.left() + labelPadding(), layout[i]); |
|
138 | 138 | } |
|
139 | 139 | |
|
140 | 140 | //label in beetwen |
|
141 | 141 | if(intervalAxis()&& i+1!=layout.size()) { |
|
142 | 142 | const qreal delta = (layout[i+1] - layout[i])/2; |
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143 | 143 | labelItem->setPos(labelItem->pos().x() , layout[i] + delta - center.y()); |
|
144 | 144 | } |
|
145 | 145 | |
|
146 | 146 | //label overlap detection |
|
147 | 147 | if(labelItem->pos().y() + rect.height() > height || |
|
148 | 148 | labelItem->pos().y() + rect.height()/2 > gridRect.bottom() || |
|
149 | 149 | labelItem->pos().y() + rect.height()/2 < gridRect.top()) { |
|
150 | 150 | labelItem->setVisible(false); |
|
151 | 151 | } |
|
152 | 152 | else { |
|
153 | 153 | labelItem->setVisible(true); |
|
154 | 154 | height=labelItem->pos().y(); |
|
155 | 155 | } |
|
156 | 156 | |
|
157 | 157 | //shades |
|
158 | 158 | if ((i + 1) % 2 && i > 1) { |
|
159 | 159 | QGraphicsRectItem *rectItem = static_cast<QGraphicsRectItem *>(shades.at(i / 2 - 1)); |
|
160 | 160 | rectItem->setRect(gridRect.left(), layout[i], gridRect.width(), layout[i - 1] - layout[i]); |
|
161 | 161 | } |
|
162 | 162 | |
|
163 | 163 | // check if the grid line and the axis tick should be shown |
|
164 | 164 | qreal y = gridItem->line().p1().y(); |
|
165 | 165 | if ((y < gridRect.top() || y > gridRect.bottom())) |
|
166 | 166 | { |
|
167 | 167 | gridItem->setVisible(false); |
|
168 | 168 | tickItem->setVisible(false); |
|
169 | 169 | }else{ |
|
170 | 170 | gridItem->setVisible(true); |
|
171 | 171 | tickItem->setVisible(true); |
|
172 | 172 | } |
|
173 | 173 | |
|
174 | 174 | } |
|
175 | 175 | //begin/end grid line in case labels between |
|
176 | 176 | if (intervalAxis()) { |
|
177 | 177 | QGraphicsLineItem *gridLine; |
|
178 | 178 | gridLine = static_cast<QGraphicsLineItem *>(lines.at(layout.size())); |
|
179 | 179 | gridLine->setLine(gridRect.left(), gridRect.top(), gridRect.right(), gridRect.top()); |
|
180 | 180 | gridLine->setVisible(true); |
|
181 | 181 | gridLine = static_cast<QGraphicsLineItem*>(lines.at(layout.size()+1)); |
|
182 | 182 | gridLine->setLine(gridRect.left(), gridRect.bottom(), gridRect.right(), gridRect.bottom()); |
|
183 | 183 | gridLine->setVisible(true); |
|
184 | 184 | } |
|
185 | 185 | } |
|
186 | 186 | |
|
187 | 187 | QSizeF VerticalAxis::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const |
|
188 | 188 | { |
|
189 | 189 | |
|
190 | 190 | Q_UNUSED(constraint); |
|
191 | 191 | QFontMetrics fn(titleFont()); |
|
192 | QSizeF sh; | |
|
192 | QSizeF sh(0,0); | |
|
193 | 193 | |
|
194 | 194 | if (titleText().isNull() || !titleItem()->isVisible()) |
|
195 | 195 | return sh; |
|
196 | 196 | |
|
197 | 197 | switch (which) { |
|
198 | 198 | case Qt::MinimumSize: |
|
199 | 199 | sh = QSizeF(fn.height(), fn.boundingRect("...").width()); |
|
200 | 200 | break; |
|
201 | 201 | case Qt::MaximumSize: |
|
202 | 202 | case Qt::PreferredSize: |
|
203 | 203 | sh = QSizeF(fn.height(), fn.boundingRect(axis()->titleText()).width()); |
|
204 | 204 | break; |
|
205 | 205 | default: |
|
206 | 206 | break; |
|
207 | 207 | } |
|
208 | 208 | |
|
209 | 209 | return sh; |
|
210 | 210 | } |
|
211 | 211 | |
|
212 | 212 | QTCOMMERCIALCHART_END_NAMESPACE |
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