@@ -1,29 +1,28 | |||||
1 | #include "legendscrollbutton_p.h" |
|
1 | #include "legendscrollbutton_p.h" | |
2 | #include "qlegend.h" |
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2 | #include "qlegend.h" | |
3 | #include <QGraphicsSceneEvent> |
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3 | #include <QGraphicsSceneEvent> | |
4 |
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4 | |||
5 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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5 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
6 |
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6 | |||
7 | LegendScrollButton::LegendScrollButton(ScrollButtonId id, QLegend *legend) |
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7 | LegendScrollButton::LegendScrollButton(ScrollButtonId id, QLegend *legend) | |
8 | : QGraphicsPolygonItem(legend), |
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8 | : QGraphicsPolygonItem(legend), | |
9 | m_id(id), |
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9 | m_id(id), | |
10 | m_ledgend(legend) |
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10 | m_ledgend(legend) | |
11 | { |
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11 | { | |
12 | setAcceptedMouseButtons(Qt::LeftButton); |
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12 | setAcceptedMouseButtons(Qt::LeftButton); | |
13 | } |
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13 | } | |
14 |
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14 | |||
15 | LegendScrollButton::ScrollButtonId LegendScrollButton::id() |
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15 | LegendScrollButton::ScrollButtonId LegendScrollButton::id() | |
16 | { |
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16 | { | |
17 | return m_id; |
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17 | return m_id; | |
18 | } |
|
18 | } | |
19 |
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19 | |||
20 | void LegendScrollButton::mousePressEvent(QGraphicsSceneMouseEvent *event) |
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20 | void LegendScrollButton::mousePressEvent(QGraphicsSceneMouseEvent *event) | |
21 | { |
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21 | { | |
22 | Q_UNUSED(event); |
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22 | Q_UNUSED(event); | |
23 | m_ledgend->scrollButtonClicked(this); |
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23 | m_ledgend->scrollButtonClicked(this); | |
24 | } |
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24 | } | |
25 |
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25 | |||
26 | #include "moc_legendscrollbutton_p.cpp" |
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27 |
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26 | |||
28 | QTCOMMERCIALCHART_END_NAMESPACE |
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27 | QTCOMMERCIALCHART_END_NAMESPACE | |
29 |
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28 |
@@ -1,693 +1,693 | |||||
1 | #include "qlegend.h" |
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1 | #include "qlegend.h" | |
2 | #include "qchart_p.h" |
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2 | #include "qchart_p.h" | |
3 | #include "qseries.h" |
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3 | #include "qseries.h" | |
4 | #include "legendmarker_p.h" |
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4 | #include "legendmarker_p.h" | |
5 | #include "legendscrollbutton_p.h" |
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5 | #include "legendscrollbutton_p.h" | |
6 | #include "qxyseries.h" |
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6 | #include "qxyseries.h" | |
7 | #include "qlineseries.h" |
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7 | #include "qlineseries.h" | |
8 | #include "qareaseries.h" |
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8 | #include "qareaseries.h" | |
9 | #include "qscatterseries.h" |
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9 | #include "qscatterseries.h" | |
10 | #include "qsplineseries.h" |
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10 | #include "qsplineseries.h" | |
11 | #include "qbarseries.h" |
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11 | #include "qbarseries.h" | |
12 | #include "qstackedbarseries.h" |
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12 | #include "qstackedbarseries.h" | |
13 | #include "qpercentbarseries.h" |
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13 | #include "qpercentbarseries.h" | |
14 | #include "qbarset.h" |
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14 | #include "qbarset.h" | |
15 | #include "qpieseries.h" |
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15 | #include "qpieseries.h" | |
16 | #include "qpieslice.h" |
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16 | #include "qpieslice.h" | |
17 | #include "chartpresenter_p.h" |
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17 | #include "chartpresenter_p.h" | |
18 | #include <QPainter> |
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18 | #include <QPainter> | |
19 | #include <QPen> |
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19 | #include <QPen> | |
20 |
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20 | |||
21 | #include <QGraphicsSceneEvent> |
|
21 | #include <QGraphicsSceneEvent> | |
22 |
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22 | |||
23 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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23 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
24 |
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24 | |||
25 | /*! |
|
25 | /*! | |
26 | \class QLegend |
|
26 | \class QLegend | |
27 | \brief part of QtCommercial chart API. |
|
27 | \brief part of QtCommercial chart API. | |
28 |
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28 | |||
29 | QLegend is a graphical object, whics displays legend of the chart. Legend state is updated by QChart, when |
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29 | QLegend is a graphical object, whics displays legend of the chart. Legend state is updated by QChart, when | |
30 | series have been changed. By default, legend is drawn by QChart, but user can set a new parent to legend and |
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30 | series have been changed. By default, legend is drawn by QChart, but user can set a new parent to legend and | |
31 | handle the drawing manually. |
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31 | handle the drawing manually. | |
32 | User isn't supposed to create or delete legend objects, but can reference it via QChart class. |
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32 | User isn't supposed to create or delete legend objects, but can reference it via QChart class. | |
33 |
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33 | |||
34 | \mainclass |
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34 | \mainclass | |
35 |
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35 | |||
36 | \sa QChart, QSeries |
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36 | \sa QChart, QSeries | |
37 | */ |
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37 | */ | |
38 |
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38 | |||
39 | /*! |
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39 | /*! | |
40 | \enum QLegend::Layout |
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40 | \enum QLegend::Layout | |
41 |
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41 | |||
42 | This enum describes the possible position for legend inside chart. |
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42 | This enum describes the possible position for legend inside chart. | |
43 |
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43 | |||
44 | \value LayoutTop |
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44 | \value LayoutTop | |
45 | \value LayoutBottom |
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45 | \value LayoutBottom | |
46 | \value LayoutLeft |
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46 | \value LayoutLeft | |
47 | \value LayoutRight |
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47 | \value LayoutRight | |
48 | */ |
|
48 | */ | |
49 |
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49 | |||
50 |
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50 | |||
51 | /*! |
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51 | /*! | |
52 | \fn void QLegend::clicked(QSeries* series, Qt::MouseButton button) |
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52 | \fn void QLegend::clicked(QSeries* series, Qt::MouseButton button) | |
53 | \brief Notifies when series has been clicked on legend \a series \a button |
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53 | \brief Notifies when series has been clicked on legend \a series \a button | |
54 | */ |
|
54 | */ | |
55 |
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55 | |||
56 | /*! |
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56 | /*! | |
57 | \fn void QLegend::clicked(QBarSet* barset, Qt::MouseButton button) |
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57 | \fn void QLegend::clicked(QBarSet* barset, Qt::MouseButton button) | |
58 | \brief Notifies when barset has been clicked on legend \a barset \a button |
|
58 | \brief Notifies when barset has been clicked on legend \a barset \a button | |
59 | */ |
|
59 | */ | |
60 |
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60 | |||
61 | /*! |
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61 | /*! | |
62 | \fn void QLegend::clicked(QPieSlice* slice, Qt::MouseButton button) |
|
62 | \fn void QLegend::clicked(QPieSlice* slice, Qt::MouseButton button) | |
63 | \brief Notifies when pie slice has been clicked on legend \a slice \a button |
|
63 | \brief Notifies when pie slice has been clicked on legend \a slice \a button | |
64 | */ |
|
64 | */ | |
65 |
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65 | |||
66 | /*! |
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66 | /*! | |
67 | Constructs the legend object and sets the parent to \a parent |
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67 | Constructs the legend object and sets the parent to \a parent | |
68 | */ |
|
68 | */ | |
69 |
QLegend::QLegend(QChart *chart):QGraphicsWidget(chart |
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69 | QLegend::QLegend(QChart *chart):QGraphicsWidget(chart), | |
70 | m_margin(5), |
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70 | m_margin(5), | |
71 | m_pos(0,0), |
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71 | m_pos(0,0), | |
72 | m_minimumSize(50,20), // TODO: magic numbers |
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72 | m_minimumSize(50,20), // TODO: magic numbers | |
73 | m_maximumSize(150,100), |
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73 | m_maximumSize(150,100), | |
74 | m_size(m_minimumSize), |
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74 | m_size(m_minimumSize), | |
75 | m_brush(Qt::darkGray), // TODO: default should come from theme |
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75 | m_brush(Qt::darkGray), // TODO: default should come from theme | |
76 | m_alignment(QLegend::LayoutTop), |
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76 | m_alignment(QLegend::LayoutTop), | |
77 | mFirstMarker(0) |
|
77 | mFirstMarker(0) | |
78 | { |
|
78 | { | |
79 | m_scrollButtonLeft = new LegendScrollButton(LegendScrollButton::ScrollButtonIdLeft, this); |
|
79 | m_scrollButtonLeft = new LegendScrollButton(LegendScrollButton::ScrollButtonIdLeft, this); | |
80 | m_scrollButtonRight = new LegendScrollButton(LegendScrollButton::ScrollButtonIdRight, this); |
|
80 | m_scrollButtonRight = new LegendScrollButton(LegendScrollButton::ScrollButtonIdRight, this); | |
81 | m_scrollButtonUp = new LegendScrollButton(LegendScrollButton::ScrollButtonIdUp, this); |
|
81 | m_scrollButtonUp = new LegendScrollButton(LegendScrollButton::ScrollButtonIdUp, this); | |
82 | m_scrollButtonDown = new LegendScrollButton(LegendScrollButton::ScrollButtonIdDown, this); |
|
82 | m_scrollButtonDown = new LegendScrollButton(LegendScrollButton::ScrollButtonIdDown, this); | |
83 | setZValue(ChartPresenter::LegendZValue); |
|
83 | setZValue(ChartPresenter::LegendZValue); | |
84 | } |
|
84 | } | |
85 |
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85 | |||
86 | /*! |
|
86 | /*! | |
87 | Paints the legend to given \a painter. Paremeters \a option and \a widget arent used. |
|
87 | Paints the legend to given \a painter. Paremeters \a option and \a widget arent used. | |
88 | */ |
|
88 | */ | |
89 | void QLegend::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) |
|
89 | void QLegend::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) | |
90 | { |
|
90 | { | |
91 | Q_UNUSED(option) |
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91 | Q_UNUSED(option) | |
92 | Q_UNUSED(widget) |
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92 | Q_UNUSED(widget) | |
93 |
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93 | |||
94 | painter->setOpacity(opacity()); |
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94 | painter->setOpacity(opacity()); | |
95 | painter->setPen(m_pen); |
|
95 | painter->setPen(m_pen); | |
96 | painter->setBrush(m_brush); |
|
96 | painter->setBrush(m_brush); | |
97 | // painter->drawRect(boundingRect()); |
|
97 | // painter->drawRect(boundingRect()); | |
98 | } |
|
98 | } | |
99 |
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99 | |||
100 | /*! |
|
100 | /*! | |
101 | Bounding rect of legend. |
|
101 | Bounding rect of legend. | |
102 | */ |
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102 | */ | |
103 | QRectF QLegend::boundingRect() const |
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103 | QRectF QLegend::boundingRect() const | |
104 | { |
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104 | { | |
105 | return QRectF(m_pos,m_size); |
|
105 | return QRectF(m_pos,m_size); | |
106 | } |
|
106 | } | |
107 |
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107 | |||
108 | /*! |
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108 | /*! | |
109 | Sets the \a brush of legend. Brush affects the background of legend. |
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109 | Sets the \a brush of legend. Brush affects the background of legend. | |
110 | */ |
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110 | */ | |
111 | void QLegend::setBrush(const QBrush &brush) |
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111 | void QLegend::setBrush(const QBrush &brush) | |
112 | { |
|
112 | { | |
113 | if (m_brush != brush) { |
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113 | if (m_brush != brush) { | |
114 | m_brush = brush; |
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114 | m_brush = brush; | |
115 | update(); |
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115 | update(); | |
116 | } |
|
116 | } | |
117 | } |
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117 | } | |
118 |
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118 | |||
119 | /*! |
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119 | /*! | |
120 | Returns the brush used by legend. |
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120 | Returns the brush used by legend. | |
121 | */ |
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121 | */ | |
122 | QBrush QLegend::brush() const |
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122 | QBrush QLegend::brush() const | |
123 | { |
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123 | { | |
124 | return m_brush; |
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124 | return m_brush; | |
125 | } |
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125 | } | |
126 |
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126 | |||
127 | /*! |
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127 | /*! | |
128 | Sets the \a pen of legend. Pen affects the legend borders. |
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128 | Sets the \a pen of legend. Pen affects the legend borders. | |
129 | */ |
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129 | */ | |
130 | void QLegend::setPen(const QPen &pen) |
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130 | void QLegend::setPen(const QPen &pen) | |
131 | { |
|
131 | { | |
132 | if (m_pen != pen) { |
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132 | if (m_pen != pen) { | |
133 | m_pen = pen; |
|
133 | m_pen = pen; | |
134 | update(); |
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134 | update(); | |
135 | } |
|
135 | } | |
136 | } |
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136 | } | |
137 |
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137 | |||
138 | /*! |
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138 | /*! | |
139 | Returns the pen used by legend |
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139 | Returns the pen used by legend | |
140 | */ |
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140 | */ | |
141 |
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141 | |||
142 | QPen QLegend::pen() const |
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142 | QPen QLegend::pen() const | |
143 | { |
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143 | { | |
144 | return m_pen; |
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144 | return m_pen; | |
145 | } |
|
145 | } | |
146 |
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146 | |||
147 | /*! |
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147 | /*! | |
148 | Sets the \a preferred layout for legend. Legend tries to paint itself on the defined position in chart. |
|
148 | Sets the \a preferred layout for legend. Legend tries to paint itself on the defined position in chart. | |
149 | \sa QLegend::Layout |
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149 | \sa QLegend::Layout | |
150 | */ |
|
150 | */ | |
151 | void QLegend::setAlignmnent(QLegend::Layout alignment) |
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151 | void QLegend::setAlignmnent(QLegend::Layout alignment) | |
152 | { |
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152 | { | |
153 | m_alignment = alignment; |
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153 | m_alignment = alignment; | |
154 | updateLayout(); |
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154 | updateLayout(); | |
155 | } |
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155 | } | |
156 |
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156 | |||
157 | /*! |
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157 | /*! | |
158 | Returns the preferred layout for legend |
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158 | Returns the preferred layout for legend | |
159 | */ |
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159 | */ | |
160 | QLegend::Layout QLegend::alignment() const |
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160 | QLegend::Layout QLegend::alignment() const | |
161 | { |
|
161 | { | |
162 | return m_alignment; |
|
162 | return m_alignment; | |
163 | } |
|
163 | } | |
164 |
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164 | |||
165 | /*! |
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165 | /*! | |
166 | Returns the maximum size of legend. |
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166 | Returns the maximum size of legend. | |
167 | */ |
|
167 | */ | |
168 | QSizeF QLegend::maximumSize() const |
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168 | QSizeF QLegend::maximumSize() const | |
169 | { |
|
169 | { | |
170 | return m_maximumSize; |
|
170 | return m_maximumSize; | |
171 | } |
|
171 | } | |
172 |
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172 | |||
173 | /*! |
|
173 | /*! | |
174 | Sets the maximum \a size for legend. The legend can't grow bigger than this size. If there are |
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174 | Sets the maximum \a size for legend. The legend can't grow bigger than this size. If there are | |
175 | more series than legend can fit to this size, scroll buttons are displayed. |
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175 | more series than legend can fit to this size, scroll buttons are displayed. | |
176 | */ |
|
176 | */ | |
177 | void QLegend::setMaximumSize(const QSizeF size) |
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177 | void QLegend::setMaximumSize(const QSizeF size) | |
178 | { |
|
178 | { | |
179 | m_maximumSize = size; |
|
179 | m_maximumSize = size; | |
180 | updateLayout(); |
|
180 | updateLayout(); | |
181 | } |
|
181 | } | |
182 |
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182 | |||
183 | /*! |
|
183 | /*! | |
184 | Returns the current size of legend. |
|
184 | Returns the current size of legend. | |
185 | */ |
|
185 | */ | |
186 | QSizeF QLegend::size() const |
|
186 | QSizeF QLegend::size() const | |
187 | { |
|
187 | { | |
188 | return m_size; |
|
188 | return m_size; | |
189 | } |
|
189 | } | |
190 |
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190 | |||
191 | /*! |
|
191 | /*! | |
192 | Sets the \a size of legend. If size is bigger than maximum size of legend, the legend is resized to the maximum size. |
|
192 | Sets the \a size of legend. If size is bigger than maximum size of legend, the legend is resized to the maximum size. | |
193 | \sa setMmaximumSize() |
|
193 | \sa setMmaximumSize() | |
194 | */ |
|
194 | */ | |
195 | void QLegend::setSize(const QSizeF size) |
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195 | void QLegend::setSize(const QSizeF size) | |
196 | { |
|
196 | { | |
197 | m_size = size; |
|
197 | m_size = size; | |
198 | if (m_size.width() > m_maximumSize.width()) { |
|
198 | if (m_size.width() > m_maximumSize.width()) { | |
199 | m_size.setWidth(m_maximumSize.width()); |
|
199 | m_size.setWidth(m_maximumSize.width()); | |
200 | } |
|
200 | } | |
201 | if (m_size.height() > m_maximumSize.height()) { |
|
201 | if (m_size.height() > m_maximumSize.height()) { | |
202 | m_size.setHeight(m_maximumSize.height()); |
|
202 | m_size.setHeight(m_maximumSize.height()); | |
203 | } |
|
203 | } | |
204 | } |
|
204 | } | |
205 |
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205 | |||
206 | /*! |
|
206 | /*! | |
207 | Sets position of legend to \a pos |
|
207 | Sets position of legend to \a pos | |
208 | */ |
|
208 | */ | |
209 | void QLegend::setPos(const QPointF &pos) |
|
209 | void QLegend::setPos(const QPointF &pos) | |
210 | { |
|
210 | { | |
211 | m_pos = pos; |
|
211 | m_pos = pos; | |
212 | updateLayout(); |
|
212 | updateLayout(); | |
213 | } |
|
213 | } | |
214 |
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214 | |||
215 | /*! |
|
215 | /*! | |
216 | \internal \a series \a domain Should be called when series is added to chart. |
|
216 | \internal \a series \a domain Should be called when series is added to chart. | |
217 | */ |
|
217 | */ | |
218 | void QLegend::handleSeriesAdded(QSeries *series, Domain *domain) |
|
218 | void QLegend::handleSeriesAdded(QSeries *series, Domain *domain) | |
219 | { |
|
219 | { | |
220 | Q_UNUSED(domain) |
|
220 | Q_UNUSED(domain) | |
221 |
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221 | |||
222 | createMarkers(series); |
|
222 | createMarkers(series); | |
223 | connectSeries(series); |
|
223 | connectSeries(series); | |
224 | updateLayout(); |
|
224 | updateLayout(); | |
225 | } |
|
225 | } | |
226 |
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226 | |||
227 | /*! |
|
227 | /*! | |
228 | \internal \a series Should be called when series is removed from chart. |
|
228 | \internal \a series Should be called when series is removed from chart. | |
229 | */ |
|
229 | */ | |
230 | void QLegend::handleSeriesRemoved(QSeries *series) |
|
230 | void QLegend::handleSeriesRemoved(QSeries *series) | |
231 | { |
|
231 | { | |
232 | disconnectSeries(series); |
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232 | disconnectSeries(series); | |
233 |
|
233 | |||
234 | if (series->type() == QSeries::SeriesTypeArea) { |
|
234 | if (series->type() == QSeries::SeriesTypeArea) { | |
235 | // This is special case. Area series has upper and lower series, which each have markers |
|
235 | // This is special case. Area series has upper and lower series, which each have markers | |
236 | QAreaSeries* s = static_cast<QAreaSeries *> (series); |
|
236 | QAreaSeries* s = static_cast<QAreaSeries *> (series); | |
237 | deleteMarkers(s->upperSeries()); |
|
237 | deleteMarkers(s->upperSeries()); | |
238 | deleteMarkers(s->lowerSeries()); |
|
238 | deleteMarkers(s->lowerSeries()); | |
239 | } else { |
|
239 | } else { | |
240 | deleteMarkers(series); |
|
240 | deleteMarkers(series); | |
241 | } |
|
241 | } | |
242 |
|
242 | |||
243 | updateLayout(); |
|
243 | updateLayout(); | |
244 | } |
|
244 | } | |
245 |
|
245 | |||
246 | /*! |
|
246 | /*! | |
247 | \internal \a slices Should be called when slices are added to pie chart. |
|
247 | \internal \a slices Should be called when slices are added to pie chart. | |
248 | */ |
|
248 | */ | |
249 | void QLegend::handleAdded(QList<QPieSlice *> slices) |
|
249 | void QLegend::handleAdded(QList<QPieSlice *> slices) | |
250 | { |
|
250 | { | |
251 | QPieSeries* series = static_cast<QPieSeries *> (sender()); |
|
251 | QPieSeries* series = static_cast<QPieSeries *> (sender()); | |
252 | foreach(QPieSlice* s, slices) { |
|
252 | foreach(QPieSlice* s, slices) { | |
253 | LegendMarker* marker = new LegendMarker(series, s, this); |
|
253 | LegendMarker* marker = new LegendMarker(series, s, this); | |
254 | marker->setName(s->label()); |
|
254 | marker->setName(s->label()); | |
255 | marker->setBrush(s->brush()); |
|
255 | marker->setBrush(s->brush()); | |
256 | connect(marker, SIGNAL(clicked(QPieSlice*,Qt::MouseButton)), |
|
256 | connect(marker, SIGNAL(clicked(QPieSlice*,Qt::MouseButton)), | |
257 | this, SIGNAL(clicked(QPieSlice*,Qt::MouseButton))); |
|
257 | this, SIGNAL(clicked(QPieSlice*,Qt::MouseButton))); | |
258 | connect(s, SIGNAL(changed()), marker, SLOT(changed())); |
|
258 | connect(s, SIGNAL(changed()), marker, SLOT(changed())); | |
259 | connect(s, SIGNAL(destroyed()), marker, SLOT(deleteLater())); |
|
259 | connect(s, SIGNAL(destroyed()), marker, SLOT(deleteLater())); | |
260 | connect(marker, SIGNAL(destroyed()), this, SLOT(handleMarkerDestroyed())); |
|
260 | connect(marker, SIGNAL(destroyed()), this, SLOT(handleMarkerDestroyed())); | |
261 | m_markers.append(marker); |
|
261 | m_markers.append(marker); | |
262 | childItems().append(marker); |
|
262 | childItems().append(marker); | |
263 | } |
|
263 | } | |
264 | updateLayout(); |
|
264 | updateLayout(); | |
265 | } |
|
265 | } | |
266 |
|
266 | |||
267 | /*! |
|
267 | /*! | |
268 | \internal \a slices Should be called when slices are removed from pie chart. Currently unused, |
|
268 | \internal \a slices Should be called when slices are removed from pie chart. Currently unused, | |
269 | because removed slices are also deleted and we listen destroyed signal |
|
269 | because removed slices are also deleted and we listen destroyed signal | |
270 | */ |
|
270 | */ | |
271 | void QLegend::handleRemoved(QList<QPieSlice *> slices) |
|
271 | void QLegend::handleRemoved(QList<QPieSlice *> slices) | |
272 | { |
|
272 | { | |
273 | Q_UNUSED(slices) |
|
273 | Q_UNUSED(slices) | |
274 | } |
|
274 | } | |
275 |
|
275 | |||
276 |
|
276 | |||
277 | /*! |
|
277 | /*! | |
278 | \internal Notifies legend that some marker has been removed. Sent by legend markers when destroyed |
|
278 | \internal Notifies legend that some marker has been removed. Sent by legend markers when destroyed | |
279 | */ |
|
279 | */ | |
280 | void QLegend::handleMarkerDestroyed() |
|
280 | void QLegend::handleMarkerDestroyed() | |
281 | { |
|
281 | { | |
282 | LegendMarker* m = static_cast<LegendMarker *> (sender()); |
|
282 | LegendMarker* m = static_cast<LegendMarker *> (sender()); | |
283 | m_markers.removeOne(m); |
|
283 | m_markers.removeOne(m); | |
284 | updateLayout(); |
|
284 | updateLayout(); | |
285 | } |
|
285 | } | |
286 |
|
286 | |||
287 | /*! |
|
287 | /*! | |
288 | \internal \a event Handles clicked signals from scroll buttons |
|
288 | \internal \a event Handles clicked signals from scroll buttons | |
289 | */ |
|
289 | */ | |
290 | void QLegend::scrollButtonClicked(LegendScrollButton *scrollButton) |
|
290 | void QLegend::scrollButtonClicked(LegendScrollButton *scrollButton) | |
291 | { |
|
291 | { | |
292 | Q_ASSERT(scrollButton); |
|
292 | Q_ASSERT(scrollButton); | |
293 |
|
293 | |||
294 | switch (scrollButton->id()) { |
|
294 | switch (scrollButton->id()) { | |
295 | case LegendScrollButton::ScrollButtonIdLeft: |
|
295 | case LegendScrollButton::ScrollButtonIdLeft: | |
296 | case LegendScrollButton::ScrollButtonIdUp: { |
|
296 | case LegendScrollButton::ScrollButtonIdUp: { | |
297 | // Lower limit is same in these cases |
|
297 | // Lower limit is same in these cases | |
298 | mFirstMarker--; |
|
298 | mFirstMarker--; | |
299 | checkFirstMarkerBounds(); |
|
299 | checkFirstMarkerBounds(); | |
300 | break; |
|
300 | break; | |
301 | } |
|
301 | } | |
302 | case LegendScrollButton::ScrollButtonIdRight: |
|
302 | case LegendScrollButton::ScrollButtonIdRight: | |
303 | case LegendScrollButton::ScrollButtonIdDown: { |
|
303 | case LegendScrollButton::ScrollButtonIdDown: { | |
304 | mFirstMarker++; |
|
304 | mFirstMarker++; | |
305 | checkFirstMarkerBounds(); |
|
305 | checkFirstMarkerBounds(); | |
306 | break; |
|
306 | break; | |
307 | } |
|
307 | } | |
308 | default: { |
|
308 | default: { | |
309 | break; |
|
309 | break; | |
310 | } |
|
310 | } | |
311 | } |
|
311 | } | |
312 | updateLayout(); |
|
312 | updateLayout(); | |
313 | } |
|
313 | } | |
314 |
|
314 | |||
315 | /*! |
|
315 | /*! | |
316 | \internal Connects the \a series to legend. Legend listens changes in series, for example pie slices added / removed. |
|
316 | \internal Connects the \a series to legend. Legend listens changes in series, for example pie slices added / removed. | |
317 | Not all series notify about events |
|
317 | Not all series notify about events | |
318 | */ |
|
318 | */ | |
319 | void QLegend::connectSeries(QSeries *series) |
|
319 | void QLegend::connectSeries(QSeries *series) | |
320 | { |
|
320 | { | |
321 | // Connect relevant signals from series. Currently only pie series has interesting signals |
|
321 | // Connect relevant signals from series. Currently only pie series has interesting signals | |
322 | // TODO: bar chart may have |
|
322 | // TODO: bar chart may have | |
323 | if (series->type() == QSeries::SeriesTypePie) { |
|
323 | if (series->type() == QSeries::SeriesTypePie) { | |
324 | QPieSeries *pieSeries = static_cast<QPieSeries *>(series); |
|
324 | QPieSeries *pieSeries = static_cast<QPieSeries *>(series); | |
325 | connect(pieSeries,SIGNAL(added(QList<QPieSlice*>)),this,SLOT(handleAdded(QList<QPieSlice*>))); |
|
325 | connect(pieSeries,SIGNAL(added(QList<QPieSlice*>)),this,SLOT(handleAdded(QList<QPieSlice*>))); | |
326 | } |
|
326 | } | |
327 | } |
|
327 | } | |
328 |
|
328 | |||
329 | /*! |
|
329 | /*! | |
330 | \internal Disconnects \a series from legend. No more status updates from series to legend. |
|
330 | \internal Disconnects \a series from legend. No more status updates from series to legend. | |
331 | */ |
|
331 | */ | |
332 | void QLegend::disconnectSeries(QSeries *series) |
|
332 | void QLegend::disconnectSeries(QSeries *series) | |
333 | { |
|
333 | { | |
334 | if (series->type() == QSeries::SeriesTypePie) { |
|
334 | if (series->type() == QSeries::SeriesTypePie) { | |
335 | QPieSeries *pieSeries = static_cast<QPieSeries *>(series); |
|
335 | QPieSeries *pieSeries = static_cast<QPieSeries *>(series); | |
336 | disconnect(pieSeries, SIGNAL(added(QList<QPieSlice *>)), this, SLOT(handleAdded(QList<QPieSlice *>))); |
|
336 | disconnect(pieSeries, SIGNAL(added(QList<QPieSlice *>)), this, SLOT(handleAdded(QList<QPieSlice *>))); | |
337 | } |
|
337 | } | |
338 | } |
|
338 | } | |
339 |
|
339 | |||
340 | /*! |
|
340 | /*! | |
341 | \internal Creates new markers for \a series. Marker contains the colored rectangle and series name. |
|
341 | \internal Creates new markers for \a series. Marker contains the colored rectangle and series name. | |
342 | With pie chart, created markers depend on pie slices. |
|
342 | With pie chart, created markers depend on pie slices. | |
343 | With bar chart, created markers depend on bar sets. |
|
343 | With bar chart, created markers depend on bar sets. | |
344 | */ |
|
344 | */ | |
345 | void QLegend::createMarkers(QSeries *series) |
|
345 | void QLegend::createMarkers(QSeries *series) | |
346 | { |
|
346 | { | |
347 | switch (series->type()) |
|
347 | switch (series->type()) | |
348 | { |
|
348 | { | |
349 | case QSeries::SeriesTypeLine: { |
|
349 | case QSeries::SeriesTypeLine: { | |
350 | QLineSeries *lineSeries = static_cast<QLineSeries *>(series); |
|
350 | QLineSeries *lineSeries = static_cast<QLineSeries *>(series); | |
351 | appendMarkers(lineSeries); |
|
351 | appendMarkers(lineSeries); | |
352 | break; |
|
352 | break; | |
353 | } |
|
353 | } | |
354 | case QSeries::SeriesTypeArea: { |
|
354 | case QSeries::SeriesTypeArea: { | |
355 | QAreaSeries *areaSeries = static_cast<QAreaSeries *>(series); |
|
355 | QAreaSeries *areaSeries = static_cast<QAreaSeries *>(series); | |
356 | appendMarkers(areaSeries->upperSeries()); |
|
356 | appendMarkers(areaSeries->upperSeries()); | |
357 | if(areaSeries->lowerSeries()) |
|
357 | if(areaSeries->lowerSeries()) | |
358 | appendMarkers(areaSeries->lowerSeries()); |
|
358 | appendMarkers(areaSeries->lowerSeries()); | |
359 | break; |
|
359 | break; | |
360 | } |
|
360 | } | |
361 | case QSeries::SeriesTypeBar: { |
|
361 | case QSeries::SeriesTypeBar: { | |
362 | QBarSeries *barSeries = static_cast<QBarSeries *>(series); |
|
362 | QBarSeries *barSeries = static_cast<QBarSeries *>(series); | |
363 | appendMarkers(barSeries); |
|
363 | appendMarkers(barSeries); | |
364 | break; |
|
364 | break; | |
365 | } |
|
365 | } | |
366 | case QSeries::SeriesTypeStackedBar: { |
|
366 | case QSeries::SeriesTypeStackedBar: { | |
367 | QStackedBarSeries *stackedBarSeries = static_cast<QStackedBarSeries *>(series); |
|
367 | QStackedBarSeries *stackedBarSeries = static_cast<QStackedBarSeries *>(series); | |
368 | appendMarkers(stackedBarSeries); |
|
368 | appendMarkers(stackedBarSeries); | |
369 | break; |
|
369 | break; | |
370 | } |
|
370 | } | |
371 | case QSeries::SeriesTypePercentBar: { |
|
371 | case QSeries::SeriesTypePercentBar: { | |
372 | QPercentBarSeries *percentBarSeries = static_cast<QPercentBarSeries *>(series); |
|
372 | QPercentBarSeries *percentBarSeries = static_cast<QPercentBarSeries *>(series); | |
373 | appendMarkers(percentBarSeries); |
|
373 | appendMarkers(percentBarSeries); | |
374 | break; |
|
374 | break; | |
375 | } |
|
375 | } | |
376 | case QSeries::SeriesTypeScatter: { |
|
376 | case QSeries::SeriesTypeScatter: { | |
377 | QScatterSeries *scatterSeries = static_cast<QScatterSeries *>(series); |
|
377 | QScatterSeries *scatterSeries = static_cast<QScatterSeries *>(series); | |
378 | appendMarkers(scatterSeries); |
|
378 | appendMarkers(scatterSeries); | |
379 | break; |
|
379 | break; | |
380 | } |
|
380 | } | |
381 | case QSeries::SeriesTypePie: { |
|
381 | case QSeries::SeriesTypePie: { | |
382 | QPieSeries *pieSeries = static_cast<QPieSeries *>(series); |
|
382 | QPieSeries *pieSeries = static_cast<QPieSeries *>(series); | |
383 | appendMarkers(pieSeries); |
|
383 | appendMarkers(pieSeries); | |
384 | break; |
|
384 | break; | |
385 | } |
|
385 | } | |
386 | case QSeries::SeriesTypeSpline: { |
|
386 | case QSeries::SeriesTypeSpline: { | |
387 | QSplineSeries *splineSeries = static_cast<QSplineSeries *>(series); |
|
387 | QSplineSeries *splineSeries = static_cast<QSplineSeries *>(series); | |
388 | appendMarkers(splineSeries); |
|
388 | appendMarkers(splineSeries); | |
389 | break; |
|
389 | break; | |
390 | } |
|
390 | } | |
391 | default: { |
|
391 | default: { | |
392 | qWarning()<< "QLegend::createMarkers" << series->type() << "unknown series type."; |
|
392 | qWarning()<< "QLegend::createMarkers" << series->type() << "unknown series type."; | |
393 | break; |
|
393 | break; | |
394 | } |
|
394 | } | |
395 | } |
|
395 | } | |
396 | } |
|
396 | } | |
397 |
|
397 | |||
398 | /*! |
|
398 | /*! | |
399 | \internal Helper function. Appends markers from \a series to legend. |
|
399 | \internal Helper function. Appends markers from \a series to legend. | |
400 | */ |
|
400 | */ | |
401 | void QLegend::appendMarkers(QXYSeries* series) |
|
401 | void QLegend::appendMarkers(QXYSeries* series) | |
402 | { |
|
402 | { | |
403 | LegendMarker* marker = new LegendMarker(series,this); |
|
403 | LegendMarker* marker = new LegendMarker(series,this); | |
404 | marker->setName(series->name()); |
|
404 | marker->setName(series->name()); | |
405 | marker->setPen(series->pen()); |
|
405 | marker->setPen(series->pen()); | |
406 | marker->setBrush(series->brush()); |
|
406 | marker->setBrush(series->brush()); | |
407 | connect(marker, SIGNAL(clicked(QSeries *, Qt::MouseButton)), this, SIGNAL(clicked(QSeries *, Qt::MouseButton))); |
|
407 | connect(marker, SIGNAL(clicked(QSeries *, Qt::MouseButton)), this, SIGNAL(clicked(QSeries *, Qt::MouseButton))); | |
408 | connect(marker, SIGNAL(destroyed()), this, SLOT(handleMarkerDestroyed())); |
|
408 | connect(marker, SIGNAL(destroyed()), this, SLOT(handleMarkerDestroyed())); | |
409 | m_markers.append(marker); |
|
409 | m_markers.append(marker); | |
410 | childItems().append(marker); |
|
410 | childItems().append(marker); | |
411 | } |
|
411 | } | |
412 |
|
412 | |||
413 | /*! |
|
413 | /*! | |
414 | \internal Helper function. Appends markers from \a series to legend. |
|
414 | \internal Helper function. Appends markers from \a series to legend. | |
415 | */ |
|
415 | */ | |
416 | void QLegend::appendMarkers(QBarSeries *series) |
|
416 | void QLegend::appendMarkers(QBarSeries *series) | |
417 | { |
|
417 | { | |
418 | foreach(QBarSet* set, series->barSets()) { |
|
418 | foreach(QBarSet* set, series->barSets()) { | |
419 | LegendMarker* marker = new LegendMarker(series, set, this); |
|
419 | LegendMarker* marker = new LegendMarker(series, set, this); | |
420 | marker->setName(set->name()); |
|
420 | marker->setName(set->name()); | |
421 | marker->setPen(set->pen()); |
|
421 | marker->setPen(set->pen()); | |
422 | marker->setBrush(set->brush()); |
|
422 | marker->setBrush(set->brush()); | |
423 | connect(marker, SIGNAL(clicked(QBarSet *, Qt::MouseButton)), |
|
423 | connect(marker, SIGNAL(clicked(QBarSet *, Qt::MouseButton)), | |
424 | this, SIGNAL(clicked(QBarSet *, Qt::MouseButton))); |
|
424 | this, SIGNAL(clicked(QBarSet *, Qt::MouseButton))); | |
425 | connect(set, SIGNAL(valueChanged()), marker, SLOT(changed())); |
|
425 | connect(set, SIGNAL(valueChanged()), marker, SLOT(changed())); | |
426 | connect(marker, SIGNAL(destroyed()), this, SLOT(handleMarkerDestroyed())); |
|
426 | connect(marker, SIGNAL(destroyed()), this, SLOT(handleMarkerDestroyed())); | |
427 | m_markers.append(marker); |
|
427 | m_markers.append(marker); | |
428 | childItems().append(marker); |
|
428 | childItems().append(marker); | |
429 | } |
|
429 | } | |
430 | } |
|
430 | } | |
431 |
|
431 | |||
432 | /*! |
|
432 | /*! | |
433 | \internal Helper function. Appends markers from \a series to legend. |
|
433 | \internal Helper function. Appends markers from \a series to legend. | |
434 | */ |
|
434 | */ | |
435 | void QLegend::appendMarkers(QPieSeries *series) |
|
435 | void QLegend::appendMarkers(QPieSeries *series) | |
436 | { |
|
436 | { | |
437 | foreach(QPieSlice* slice, series->slices()) { |
|
437 | foreach(QPieSlice* slice, series->slices()) { | |
438 | LegendMarker* marker = new LegendMarker(series, slice, this); |
|
438 | LegendMarker* marker = new LegendMarker(series, slice, this); | |
439 | marker->setName(slice->label()); |
|
439 | marker->setName(slice->label()); | |
440 | marker->setPen(slice->pen()); |
|
440 | marker->setPen(slice->pen()); | |
441 | marker->setBrush(slice->brush()); |
|
441 | marker->setBrush(slice->brush()); | |
442 | connect(marker, SIGNAL(clicked(QPieSlice *, Qt::MouseButton)), |
|
442 | connect(marker, SIGNAL(clicked(QPieSlice *, Qt::MouseButton)), | |
443 | this, SIGNAL(clicked(QPieSlice *, Qt::MouseButton))); |
|
443 | this, SIGNAL(clicked(QPieSlice *, Qt::MouseButton))); | |
444 | connect(slice, SIGNAL(changed()), marker, SLOT(changed())); |
|
444 | connect(slice, SIGNAL(changed()), marker, SLOT(changed())); | |
445 | connect(slice, SIGNAL(destroyed()), marker, SLOT(deleteLater())); |
|
445 | connect(slice, SIGNAL(destroyed()), marker, SLOT(deleteLater())); | |
446 | connect(marker, SIGNAL(destroyed()), this, SLOT(handleMarkerDestroyed())); |
|
446 | connect(marker, SIGNAL(destroyed()), this, SLOT(handleMarkerDestroyed())); | |
447 | m_markers.append(marker); |
|
447 | m_markers.append(marker); | |
448 | childItems().append(marker); |
|
448 | childItems().append(marker); | |
449 | } |
|
449 | } | |
450 | } |
|
450 | } | |
451 |
|
451 | |||
452 | /*! |
|
452 | /*! | |
453 | \internal Deletes all markers that are created from \a series |
|
453 | \internal Deletes all markers that are created from \a series | |
454 | */ |
|
454 | */ | |
455 | void QLegend::deleteMarkers(QSeries *series) |
|
455 | void QLegend::deleteMarkers(QSeries *series) | |
456 | { |
|
456 | { | |
457 | // Search all markers that belong to given series and delete them. |
|
457 | // Search all markers that belong to given series and delete them. | |
458 | foreach (LegendMarker *m, m_markers) { |
|
458 | foreach (LegendMarker *m, m_markers) { | |
459 | if (m->series() == series) { |
|
459 | if (m->series() == series) { | |
460 | m_markers.removeOne(m); |
|
460 | m_markers.removeOne(m); | |
461 | delete m; |
|
461 | delete m; | |
462 | } |
|
462 | } | |
463 | } |
|
463 | } | |
464 | } |
|
464 | } | |
465 |
|
465 | |||
466 | /*! |
|
466 | /*! | |
467 | \internal Updates layout of legend. Tries to fit as many markers as possible up to the maximum size of legend. |
|
467 | \internal Updates layout of legend. Tries to fit as many markers as possible up to the maximum size of legend. | |
468 | If items don't fit, sets the visibility of scroll buttons accordingly. |
|
468 | If items don't fit, sets the visibility of scroll buttons accordingly. | |
469 | Causes legend to be resized. |
|
469 | Causes legend to be resized. | |
470 | */ |
|
470 | */ | |
471 | void QLegend::updateLayout() |
|
471 | void QLegend::updateLayout() | |
472 | { |
|
472 | { | |
473 | // Calculate layout for markers and text |
|
473 | // Calculate layout for markers and text | |
474 | if (m_markers.count() <= 0) { |
|
474 | if (m_markers.count() <= 0) { | |
475 | // Nothing to do |
|
475 | // Nothing to do | |
476 | return; |
|
476 | return; | |
477 | } |
|
477 | } | |
478 |
|
478 | |||
479 | // Find out widest item. |
|
479 | // Find out widest item. | |
480 | QSizeF markerMaxSize = maximumMarkerSize(); |
|
480 | QSizeF markerMaxSize = maximumMarkerSize(); | |
481 | checkFirstMarkerBounds(); |
|
481 | checkFirstMarkerBounds(); | |
482 |
|
482 | |||
483 | // Use max height as scroll button size |
|
483 | // Use max height as scroll button size | |
484 | rescaleScrollButtons(QSize(markerMaxSize.height() ,markerMaxSize.height())); |
|
484 | rescaleScrollButtons(QSize(markerMaxSize.height() ,markerMaxSize.height())); | |
485 |
|
485 | |||
486 | qreal totalWidth = 0; |
|
486 | qreal totalWidth = 0; | |
487 | qreal totalHeight = 0; |
|
487 | qreal totalHeight = 0; | |
488 | switch (m_alignment) |
|
488 | switch (m_alignment) | |
489 | { |
|
489 | { | |
490 | // Both cases organise items horizontally |
|
490 | // Both cases organise items horizontally | |
491 | case QLegend::LayoutBottom: |
|
491 | case QLegend::LayoutBottom: | |
492 | case QLegend::LayoutTop: { |
|
492 | case QLegend::LayoutTop: { | |
493 |
|
493 | |||
494 | qreal xStep = markerMaxSize.width(); |
|
494 | qreal xStep = markerMaxSize.width(); | |
495 | qreal x = m_pos.x() + m_margin; |
|
495 | qreal x = m_pos.x() + m_margin; | |
496 | qreal y = m_pos.y() + m_margin; |
|
496 | qreal y = m_pos.y() + m_margin; | |
497 | int column = 0; |
|
497 | int column = 0; | |
498 | int maxColumns = 1; |
|
498 | int maxColumns = 1; | |
499 | qreal scrollButtonWidth = 0; |
|
499 | qreal scrollButtonWidth = 0; | |
500 |
|
500 | |||
501 | // Set correct visibility for scroll scrollbuttons |
|
501 | // Set correct visibility for scroll scrollbuttons | |
502 | if (scrollButtonsVisible()) { |
|
502 | if (scrollButtonsVisible()) { | |
503 | m_scrollButtonLeft->setVisible(true); |
|
503 | m_scrollButtonLeft->setVisible(true); | |
504 | m_scrollButtonRight->setVisible(true); |
|
504 | m_scrollButtonRight->setVisible(true); | |
505 | // scrollbuttons visible, so add their width to total width |
|
505 | // scrollbuttons visible, so add their width to total width | |
506 | totalWidth += (m_scrollButtonLeft->boundingRect().width() + m_margin) * 2; |
|
506 | totalWidth += (m_scrollButtonLeft->boundingRect().width() + m_margin) * 2; | |
507 | scrollButtonWidth = m_scrollButtonLeft->boundingRect().width() + m_margin; |
|
507 | scrollButtonWidth = m_scrollButtonLeft->boundingRect().width() + m_margin; | |
508 | // start position changes by scrollbutton width |
|
508 | // start position changes by scrollbutton width | |
509 | x += scrollButtonWidth; |
|
509 | x += scrollButtonWidth; | |
510 | } else { |
|
510 | } else { | |
511 | m_scrollButtonLeft->setVisible(false); |
|
511 | m_scrollButtonLeft->setVisible(false); | |
512 | m_scrollButtonRight->setVisible(false); |
|
512 | m_scrollButtonRight->setVisible(false); | |
513 | } |
|
513 | } | |
514 | m_scrollButtonUp->setVisible(false); |
|
514 | m_scrollButtonUp->setVisible(false); | |
515 | m_scrollButtonDown->setVisible(false); |
|
515 | m_scrollButtonDown->setVisible(false); | |
516 |
|
516 | |||
517 | for (int i=0; i < m_markers.count(); i++) { |
|
517 | for (int i=0; i < m_markers.count(); i++) { | |
518 | LegendMarker *m = m_markers.at(i); |
|
518 | LegendMarker *m = m_markers.at(i); | |
519 | if (i < mFirstMarker) { |
|
519 | if (i < mFirstMarker) { | |
520 | // Markers before first are not visible. |
|
520 | // Markers before first are not visible. | |
521 | m->setVisible(false); |
|
521 | m->setVisible(false); | |
522 | } else { |
|
522 | } else { | |
523 | if ((x + xStep + scrollButtonWidth + m_margin) > (m_pos.x() + m_maximumSize.width())) { |
|
523 | if ((x + xStep + scrollButtonWidth + m_margin) > (m_pos.x() + m_maximumSize.width())) { | |
524 | // This marker would go outside legend rect. |
|
524 | // This marker would go outside legend rect. | |
525 | m->setVisible(false); |
|
525 | m->setVisible(false); | |
526 | } else { |
|
526 | } else { | |
527 | // This marker is ok |
|
527 | // This marker is ok | |
528 | m->setVisible(true); |
|
528 | m->setVisible(true); | |
529 | m->setPos(x, y); |
|
529 | m->setPos(x, y); | |
530 | x += xStep; |
|
530 | x += xStep; | |
531 | column++; |
|
531 | column++; | |
532 | } |
|
532 | } | |
533 | } |
|
533 | } | |
534 | maxColumns = column; |
|
534 | maxColumns = column; | |
535 | } |
|
535 | } | |
536 |
|
536 | |||
537 | m_scrollButtonLeft->setPos(m_pos.x() + m_margin, y); |
|
537 | m_scrollButtonLeft->setPos(m_pos.x() + m_margin, y); | |
538 | m_scrollButtonRight->setPos(x + m_margin, y); |
|
538 | m_scrollButtonRight->setPos(x + m_margin, y); | |
539 |
|
539 | |||
540 | totalWidth += maxColumns * markerMaxSize.width() + m_margin * 2; |
|
540 | totalWidth += maxColumns * markerMaxSize.width() + m_margin * 2; | |
541 | totalHeight = markerMaxSize.height() + m_margin * 2; |
|
541 | totalHeight = markerMaxSize.height() + m_margin * 2; | |
542 |
|
542 | |||
543 | break; |
|
543 | break; | |
544 | } |
|
544 | } | |
545 | // Both cases organize items vertically |
|
545 | // Both cases organize items vertically | |
546 | case QLegend::LayoutLeft: |
|
546 | case QLegend::LayoutLeft: | |
547 | case QLegend::LayoutRight: { |
|
547 | case QLegend::LayoutRight: { | |
548 | qreal yStep = markerMaxSize.height(); |
|
548 | qreal yStep = markerMaxSize.height(); | |
549 | qreal x = m_pos.x() + m_margin; |
|
549 | qreal x = m_pos.x() + m_margin; | |
550 | qreal y = m_pos.y() + m_margin; |
|
550 | qreal y = m_pos.y() + m_margin; | |
551 | int row = 1; |
|
551 | int row = 1; | |
552 | int maxRows = 1; |
|
552 | int maxRows = 1; | |
553 | qreal scrollButtonHeight = 0; |
|
553 | qreal scrollButtonHeight = 0; | |
554 |
|
554 | |||
555 | // Set correct visibility for scroll scrollbuttons |
|
555 | // Set correct visibility for scroll scrollbuttons | |
556 | if (scrollButtonsVisible()) { |
|
556 | if (scrollButtonsVisible()) { | |
557 | m_scrollButtonUp->setVisible(true); |
|
557 | m_scrollButtonUp->setVisible(true); | |
558 | m_scrollButtonDown->setVisible(true); |
|
558 | m_scrollButtonDown->setVisible(true); | |
559 | totalHeight += (m_scrollButtonUp->boundingRect().height() + m_margin) * 2; // scrollbuttons visible, so add their height to total height |
|
559 | totalHeight += (m_scrollButtonUp->boundingRect().height() + m_margin) * 2; // scrollbuttons visible, so add their height to total height | |
560 | scrollButtonHeight = m_scrollButtonUp->boundingRect().height(); |
|
560 | scrollButtonHeight = m_scrollButtonUp->boundingRect().height(); | |
561 | y += scrollButtonHeight + m_margin; // start position changes by scrollbutton height |
|
561 | y += scrollButtonHeight + m_margin; // start position changes by scrollbutton height | |
562 | } else { |
|
562 | } else { | |
563 | m_scrollButtonUp->setVisible(false); |
|
563 | m_scrollButtonUp->setVisible(false); | |
564 | m_scrollButtonDown->setVisible(false); |
|
564 | m_scrollButtonDown->setVisible(false); | |
565 | } |
|
565 | } | |
566 | m_scrollButtonLeft->setVisible(false); |
|
566 | m_scrollButtonLeft->setVisible(false); | |
567 | m_scrollButtonRight->setVisible(false); |
|
567 | m_scrollButtonRight->setVisible(false); | |
568 |
|
568 | |||
569 | for (int i=0; i < m_markers.count(); i++) { |
|
569 | for (int i=0; i < m_markers.count(); i++) { | |
570 | LegendMarker* m = m_markers.at(i); |
|
570 | LegendMarker* m = m_markers.at(i); | |
571 | if (i < mFirstMarker) { |
|
571 | if (i < mFirstMarker) { | |
572 | // Markers before first are not visible. |
|
572 | // Markers before first are not visible. | |
573 | m->setVisible(false); |
|
573 | m->setVisible(false); | |
574 | } else { |
|
574 | } else { | |
575 | if ((y + yStep + scrollButtonHeight) > (m_pos.y() + m_maximumSize.height())) { |
|
575 | if ((y + yStep + scrollButtonHeight) > (m_pos.y() + m_maximumSize.height())) { | |
576 | // This marker would go outside legend rect. |
|
576 | // This marker would go outside legend rect. | |
577 | m->setVisible(false); |
|
577 | m->setVisible(false); | |
578 | } else { |
|
578 | } else { | |
579 | // This marker is ok |
|
579 | // This marker is ok | |
580 | m->setVisible(true); |
|
580 | m->setVisible(true); | |
581 | m->setPos(x, y); |
|
581 | m->setPos(x, y); | |
582 | y += yStep; |
|
582 | y += yStep; | |
583 | row++; |
|
583 | row++; | |
584 | } |
|
584 | } | |
585 | } |
|
585 | } | |
586 | maxRows = row; |
|
586 | maxRows = row; | |
587 | } |
|
587 | } | |
588 |
|
588 | |||
589 | m_scrollButtonUp->setPos(m_pos.x() + m_margin, m_pos.y() + m_margin); |
|
589 | m_scrollButtonUp->setPos(m_pos.x() + m_margin, m_pos.y() + m_margin); | |
590 | m_scrollButtonDown->setPos(m_pos.x() + m_margin, y + m_margin); |
|
590 | m_scrollButtonDown->setPos(m_pos.x() + m_margin, y + m_margin); | |
591 |
|
591 | |||
592 | totalWidth += markerMaxSize.width() + m_margin * 2; |
|
592 | totalWidth += markerMaxSize.width() + m_margin * 2; | |
593 | totalHeight = maxRows * markerMaxSize.height() + m_margin * 4 + scrollButtonHeight; // TODO: check this |
|
593 | totalHeight = maxRows * markerMaxSize.height() + m_margin * 4 + scrollButtonHeight; // TODO: check this | |
594 | break; |
|
594 | break; | |
595 | } |
|
595 | } | |
596 | default: { |
|
596 | default: { | |
597 | break; |
|
597 | break; | |
598 | } |
|
598 | } | |
599 | } |
|
599 | } | |
600 |
|
600 | |||
601 | m_size.setWidth(totalWidth); |
|
601 | m_size.setWidth(totalWidth); | |
602 | m_size.setHeight(totalHeight); |
|
602 | m_size.setHeight(totalHeight); | |
603 |
|
603 | |||
604 | update(); |
|
604 | update(); | |
605 | } |
|
605 | } | |
606 |
|
606 | |||
607 | /*! |
|
607 | /*! | |
608 | \internal Sets the size of scroll buttons to \a size |
|
608 | \internal Sets the size of scroll buttons to \a size | |
609 | */ |
|
609 | */ | |
610 | void QLegend::rescaleScrollButtons(const QSize &size) |
|
610 | void QLegend::rescaleScrollButtons(const QSize &size) | |
611 | { |
|
611 | { | |
612 | QPolygonF left; |
|
612 | QPolygonF left; | |
613 | left << QPointF(size.width(), 0) << QPointF(0, size.height() / 2) << QPointF(size.width(), size.height()); |
|
613 | left << QPointF(size.width(), 0) << QPointF(0, size.height() / 2) << QPointF(size.width(), size.height()); | |
614 | QPolygonF right; |
|
614 | QPolygonF right; | |
615 | right << QPointF(0, 0) << QPointF(size.width(), size.height() / 2) << QPointF(0, size.height()); |
|
615 | right << QPointF(0, 0) << QPointF(size.width(), size.height() / 2) << QPointF(0, size.height()); | |
616 | QPolygonF up; |
|
616 | QPolygonF up; | |
617 | up << QPointF(0, size.height()) << QPointF(size.width() / 2,0) << QPointF(size.width(), size.height()); |
|
617 | up << QPointF(0, size.height()) << QPointF(size.width() / 2,0) << QPointF(size.width(), size.height()); | |
618 | QPolygonF down; |
|
618 | QPolygonF down; | |
619 | down << QPointF(0, 0) << QPointF(size.width() / 2, size.height()) << QPointF(size.width(), 0); |
|
619 | down << QPointF(0, 0) << QPointF(size.width() / 2, size.height()) << QPointF(size.width(), 0); | |
620 |
|
620 | |||
621 | m_scrollButtonLeft->setPolygon(left); |
|
621 | m_scrollButtonLeft->setPolygon(left); | |
622 | m_scrollButtonRight->setPolygon(right); |
|
622 | m_scrollButtonRight->setPolygon(right); | |
623 | m_scrollButtonUp->setPolygon(up); |
|
623 | m_scrollButtonUp->setPolygon(up); | |
624 | m_scrollButtonDown->setPolygon(down); |
|
624 | m_scrollButtonDown->setPolygon(down); | |
625 | } |
|
625 | } | |
626 |
|
626 | |||
627 | /*! |
|
627 | /*! | |
628 | \internal Finds out maximum size of single marker. Marker sizes depend on series names. |
|
628 | \internal Finds out maximum size of single marker. Marker sizes depend on series names. | |
629 | */ |
|
629 | */ | |
630 | QSizeF QLegend::maximumMarkerSize() |
|
630 | QSizeF QLegend::maximumMarkerSize() | |
631 | { |
|
631 | { | |
632 | QSizeF max(0,0); |
|
632 | QSizeF max(0,0); | |
633 | foreach (LegendMarker* m, m_markers) { |
|
633 | foreach (LegendMarker* m, m_markers) { | |
634 | if (m->boundingRect().width() > max.width()) |
|
634 | if (m->boundingRect().width() > max.width()) | |
635 | max.setWidth(m->boundingRect().width()); |
|
635 | max.setWidth(m->boundingRect().width()); | |
636 | if (m->boundingRect().height() > max.height()) |
|
636 | if (m->boundingRect().height() > max.height()) | |
637 | max.setHeight(m->boundingRect().height()); |
|
637 | max.setHeight(m->boundingRect().height()); | |
638 | } |
|
638 | } | |
639 | return max; |
|
639 | return max; | |
640 | } |
|
640 | } | |
641 |
|
641 | |||
642 | /*! |
|
642 | /*! | |
643 | \internal Checks that first marker is in acceptable bounds. Bounds range from 0 to (maximum number of markers - visible markers) |
|
643 | \internal Checks that first marker is in acceptable bounds. Bounds range from 0 to (maximum number of markers - visible markers) | |
644 | If scrollbuttons are visible, they affect the number of visible markers. |
|
644 | If scrollbuttons are visible, they affect the number of visible markers. | |
645 | */ |
|
645 | */ | |
646 | void QLegend::checkFirstMarkerBounds() |
|
646 | void QLegend::checkFirstMarkerBounds() | |
647 | { |
|
647 | { | |
648 | if ((m_alignment == QLegend::LayoutLeft) || (m_alignment == QLegend::LayoutRight)) { |
|
648 | if ((m_alignment == QLegend::LayoutLeft) || (m_alignment == QLegend::LayoutRight)) { | |
649 | // Bounds limited by height. |
|
649 | // Bounds limited by height. | |
650 | int max; |
|
650 | int max; | |
651 | if (scrollButtonsVisible()) { |
|
651 | if (scrollButtonsVisible()) { | |
652 | max = (m_maximumSize.height() - m_scrollButtonLeft->boundingRect().height() * 2 - m_margin * 4) / maximumMarkerSize().height(); |
|
652 | max = (m_maximumSize.height() - m_scrollButtonLeft->boundingRect().height() * 2 - m_margin * 4) / maximumMarkerSize().height(); | |
653 | } else { |
|
653 | } else { | |
654 | max = m_maximumSize.height() / maximumMarkerSize().height(); |
|
654 | max = m_maximumSize.height() / maximumMarkerSize().height(); | |
655 | } |
|
655 | } | |
656 |
|
656 | |||
657 | if (mFirstMarker > m_markers.count() - max) |
|
657 | if (mFirstMarker > m_markers.count() - max) | |
658 | mFirstMarker = m_markers.count() - max; |
|
658 | mFirstMarker = m_markers.count() - max; | |
659 | } else { |
|
659 | } else { | |
660 | // Bounds limited by width |
|
660 | // Bounds limited by width | |
661 | int max; |
|
661 | int max; | |
662 | if (scrollButtonsVisible()) { |
|
662 | if (scrollButtonsVisible()) { | |
663 | max = (m_maximumSize.width() - m_scrollButtonLeft->boundingRect().width() * 2 - m_margin*4) / maximumMarkerSize().width(); |
|
663 | max = (m_maximumSize.width() - m_scrollButtonLeft->boundingRect().width() * 2 - m_margin*4) / maximumMarkerSize().width(); | |
664 | } else { |
|
664 | } else { | |
665 | max = m_maximumSize.width() / maximumMarkerSize().width(); |
|
665 | max = m_maximumSize.width() / maximumMarkerSize().width(); | |
666 | } |
|
666 | } | |
667 |
|
667 | |||
668 | if (mFirstMarker > m_markers.count() - max) |
|
668 | if (mFirstMarker > m_markers.count() - max) | |
669 | mFirstMarker = m_markers.count() - max; |
|
669 | mFirstMarker = m_markers.count() - max; | |
670 | } |
|
670 | } | |
671 |
|
671 | |||
672 | if (mFirstMarker < 0) |
|
672 | if (mFirstMarker < 0) | |
673 | mFirstMarker = 0; |
|
673 | mFirstMarker = 0; | |
674 | } |
|
674 | } | |
675 |
|
675 | |||
676 | /*! |
|
676 | /*! | |
677 | \internal Helper function. Visibility of scroll buttons isn't quite obvious, so helper function clarifies the logic. |
|
677 | \internal Helper function. Visibility of scroll buttons isn't quite obvious, so helper function clarifies the logic. | |
678 | */ |
|
678 | */ | |
679 | bool QLegend::scrollButtonsVisible() |
|
679 | bool QLegend::scrollButtonsVisible() | |
680 | { |
|
680 | { | |
681 | // Just a helper to clarify, what the magic below means :) |
|
681 | // Just a helper to clarify, what the magic below means :) | |
682 | if ((m_alignment == QLegend::LayoutTop) || (m_alignment == QLegend::LayoutBottom)) { |
|
682 | if ((m_alignment == QLegend::LayoutTop) || (m_alignment == QLegend::LayoutBottom)) { | |
683 | return (maximumMarkerSize().width() * m_markers.count() + m_margin * 2 > m_maximumSize.width()); |
|
683 | return (maximumMarkerSize().width() * m_markers.count() + m_margin * 2 > m_maximumSize.width()); | |
684 | } else if ((m_alignment == QLegend::LayoutLeft) || (m_alignment == QLegend::LayoutRight)) { |
|
684 | } else if ((m_alignment == QLegend::LayoutLeft) || (m_alignment == QLegend::LayoutRight)) { | |
685 | return (maximumMarkerSize().height() * m_markers.count() + m_margin * 2 > m_maximumSize.height()); |
|
685 | return (maximumMarkerSize().height() * m_markers.count() + m_margin * 2 > m_maximumSize.height()); | |
686 | } |
|
686 | } | |
687 |
|
687 | |||
688 | return (maximumMarkerSize().height() * m_markers.count() + m_margin * 2 > m_maximumSize.height()); |
|
688 | return (maximumMarkerSize().height() * m_markers.count() + m_margin * 2 > m_maximumSize.height()); | |
689 | } |
|
689 | } | |
690 |
|
690 | |||
691 | #include "moc_qlegend.cpp" |
|
691 | #include "moc_qlegend.cpp" | |
692 |
|
692 | |||
693 | QTCOMMERCIALCHART_END_NAMESPACE |
|
693 | QTCOMMERCIALCHART_END_NAMESPACE |
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