@@ -1,588 +1,604 | |||||
1 | #include "qpieseries.h" |
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1 | #include "qpieseries.h" | |
2 | #include "qpieslice.h" |
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2 | #include "qpieslice.h" | |
3 | #include <QDebug> |
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3 | #include <QDebug> | |
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 | /*! |
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7 | /*! | |
8 | \class QPieSeries |
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8 | \class QPieSeries | |
9 | \brief Pie series API for QtCommercial Charts |
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9 | \brief Pie series API for QtCommercial Charts | |
10 |
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10 | |||
11 | The pie series defines a pie chart which consists of pie slices which are QPieSlice objects. |
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11 | The pie series defines a pie chart which consists of pie slices which are QPieSlice objects. | |
12 | The slices can have any values as the QPieSeries will calculate its relative value to the sum of all slices. |
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12 | The slices can have any values as the QPieSeries will calculate its relative value to the sum of all slices. | |
13 | The actual slice size is determined by that relative value. |
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13 | The actual slice size is determined by that relative value. | |
14 |
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14 | |||
15 | By default the pie is defined as a full pie but it can be a partial pie. |
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15 | By default the pie is defined as a full pie but it can be a partial pie. | |
16 | This can be done by setting a starting angle and angle span to the series. |
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16 | This can be done by setting a starting angle and angle span to the series. | |
17 | */ |
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17 | */ | |
18 |
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18 | |||
19 | /*! |
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19 | /*! | |
20 | Constructs a series object which is a child of \a parent. |
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20 | Constructs a series object which is a child of \a parent. | |
21 | */ |
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21 | */ | |
22 | QPieSeries::QPieSeries(QObject *parent) : |
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22 | QPieSeries::QPieSeries(QObject *parent) : | |
23 | QSeries(parent), |
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23 | QSeries(parent), | |
24 | m_pieRelativeHorPos(0.5), |
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24 | m_pieRelativeHorPos(0.5), | |
25 | m_pieRelativeVerPos(0.5), |
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25 | m_pieRelativeVerPos(0.5), | |
26 | m_pieRelativeSize(0.7), |
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26 | m_pieRelativeSize(0.7), | |
27 | m_pieStartAngle(0), |
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27 | m_pieStartAngle(0), | |
28 | m_pieEndAngle(360), |
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28 | m_pieEndAngle(360), | |
29 | m_total(0) |
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29 | m_total(0) | |
30 | { |
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30 | { | |
31 |
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31 | |||
32 | } |
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32 | } | |
33 |
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33 | |||
34 | /*! |
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34 | /*! | |
35 | Destroys the object. Note that adding series to QChart transfers the ownership to the chart. |
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35 | Destroys the object. Note that adding series to QChart transfers the ownership to the chart. | |
36 | */ |
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36 | */ | |
37 | QPieSeries::~QPieSeries() |
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37 | QPieSeries::~QPieSeries() | |
38 | { |
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38 | { | |
39 |
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39 | |||
40 | } |
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40 | } | |
41 |
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41 | |||
42 | /*! |
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42 | /*! | |
43 | Returns QChartSeries::SeriesTypePie. |
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43 | Returns QChartSeries::SeriesTypePie. | |
44 | */ |
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44 | */ | |
45 | QSeries::QSeriesType QPieSeries::type() const |
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45 | QSeries::QSeriesType QPieSeries::type() const | |
46 | { |
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46 | { | |
47 | return QSeries::SeriesTypePie; |
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47 | return QSeries::SeriesTypePie; | |
48 | } |
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48 | } | |
49 |
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49 | |||
50 | /*! |
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50 | /*! | |
51 | Sets an array of \a slices to the series replacing the existing slices. |
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51 | Sets an array of \a slices to the series replacing the existing slices. | |
52 | Slice ownership is passed to the series. |
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52 | Slice ownership is passed to the series. | |
53 | */ |
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53 | */ | |
54 | void QPieSeries::replace(QList<QPieSlice*> slices) |
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54 | void QPieSeries::replace(QList<QPieSlice*> slices) | |
55 | { |
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55 | { | |
56 | clear(); |
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56 | clear(); | |
57 | add(slices); |
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57 | add(slices); | |
58 | } |
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58 | } | |
59 |
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59 | |||
60 | /*! |
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60 | /*! | |
61 | Adds an array of \a slices to the series. |
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61 | Adds an array of \a slices to the series. | |
62 | Slice ownership is passed to the series. |
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62 | Slice ownership is passed to the series. | |
63 | */ |
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63 | */ | |
64 | void QPieSeries::add(QList<QPieSlice*> slices) |
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64 | void QPieSeries::add(QList<QPieSlice*> slices) | |
65 | { |
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65 | { | |
66 | foreach (QPieSlice* s, slices) { |
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66 | foreach (QPieSlice* s, slices) { | |
67 | s->setParent(this); |
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67 | s->setParent(this); | |
68 | m_slices << s; |
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68 | m_slices << s; | |
69 | } |
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69 | } | |
70 |
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70 | |||
71 | updateDerivativeData(); |
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71 | updateDerivativeData(); | |
72 |
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72 | |||
73 | foreach (QPieSlice* s, slices) { |
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73 | foreach (QPieSlice* s, slices) { | |
74 | connect(s, SIGNAL(changed()), this, SLOT(sliceChanged())); |
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74 | connect(s, SIGNAL(changed()), this, SLOT(sliceChanged())); | |
75 | connect(s, SIGNAL(clicked()), this, SLOT(sliceClicked())); |
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75 | connect(s, SIGNAL(clicked()), this, SLOT(sliceClicked())); | |
76 | connect(s, SIGNAL(hoverEnter()), this, SLOT(sliceHoverEnter())); |
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76 | connect(s, SIGNAL(hoverEnter()), this, SLOT(sliceHoverEnter())); | |
77 | connect(s, SIGNAL(hoverLeave()), this, SLOT(sliceHoverLeave())); |
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77 | connect(s, SIGNAL(hoverLeave()), this, SLOT(sliceHoverLeave())); | |
78 | } |
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78 | } | |
79 |
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79 | |||
80 | emit added(slices); |
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80 | emit added(slices); | |
81 | } |
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81 | } | |
82 |
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82 | |||
83 | /*! |
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83 | /*! | |
84 | Adds a single \a slice to the series. |
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84 | Adds a single \a slice to the series. | |
85 | Slice ownership is passed to the series. |
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85 | Slice ownership is passed to the series. | |
86 | */ |
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86 | */ | |
87 | void QPieSeries::add(QPieSlice* slice) |
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87 | void QPieSeries::add(QPieSlice* slice) | |
88 | { |
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88 | { | |
89 | add(QList<QPieSlice*>() << slice); |
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89 | add(QList<QPieSlice*>() << slice); | |
90 | } |
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90 | } | |
91 |
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91 | |||
92 | /*! |
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92 | /*! | |
93 | Adds a single \a slice to the series and returns a reference to the series. |
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93 | Adds a single \a slice to the series and returns a reference to the series. | |
94 | Slice ownership is passed to the series. |
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94 | Slice ownership is passed to the series. | |
95 | */ |
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95 | */ | |
96 | QPieSeries& QPieSeries::operator << (QPieSlice* slice) |
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96 | QPieSeries& QPieSeries::operator << (QPieSlice* slice) | |
97 | { |
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97 | { | |
98 | add(slice); |
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98 | add(slice); | |
99 | return *this; |
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99 | return *this; | |
100 | } |
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100 | } | |
101 |
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101 | |||
102 |
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102 | |||
103 | /*! |
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103 | /*! | |
104 | Adds a single slice to the series with give \a value and \a name. |
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104 | Adds a single slice to the series with give \a value and \a name. | |
105 | Slice ownership is passed to the series. |
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105 | Slice ownership is passed to the series. | |
106 | */ |
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106 | */ | |
107 | QPieSlice* QPieSeries::add(qreal value, QString name) |
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107 | QPieSlice* QPieSeries::add(qreal value, QString name) | |
108 | { |
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108 | { | |
109 | QPieSlice* slice = new QPieSlice(value, name); |
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109 | QPieSlice* slice = new QPieSlice(value, name); | |
110 | add(slice); |
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110 | add(slice); | |
111 | return slice; |
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111 | return slice; | |
112 | } |
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112 | } | |
113 |
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113 | |||
114 | void QPieSeries::insert(int i, QPieSlice* slice) |
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114 | void QPieSeries::insert(int i, QPieSlice* slice) | |
115 | { |
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115 | { | |
116 | Q_ASSERT(i <= m_slices.count()); |
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116 | Q_ASSERT(i <= m_slices.count()); | |
117 | slice->setParent(this); |
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117 | slice->setParent(this); | |
118 | m_slices.insert(i, slice); |
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118 | m_slices.insert(i, slice); | |
119 |
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119 | |||
120 | updateDerivativeData(); |
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120 | updateDerivativeData(); | |
121 |
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121 | |||
122 | connect(slice, SIGNAL(changed()), this, SLOT(sliceChanged())); |
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122 | connect(slice, SIGNAL(changed()), this, SLOT(sliceChanged())); | |
123 | connect(slice, SIGNAL(clicked()), this, SLOT(sliceClicked())); |
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123 | connect(slice, SIGNAL(clicked()), this, SLOT(sliceClicked())); | |
124 | connect(slice, SIGNAL(hoverEnter()), this, SLOT(sliceHoverEnter())); |
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124 | connect(slice, SIGNAL(hoverEnter()), this, SLOT(sliceHoverEnter())); | |
125 | connect(slice, SIGNAL(hoverLeave()), this, SLOT(sliceHoverLeave())); |
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125 | connect(slice, SIGNAL(hoverLeave()), this, SLOT(sliceHoverLeave())); | |
126 |
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126 | |||
127 | emit added(QList<QPieSlice*>() << slice); |
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127 | emit added(QList<QPieSlice*>() << slice); | |
128 | } |
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128 | } | |
129 |
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129 | |||
130 | /*! |
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130 | /*! | |
131 | Removes a single \a slice from the series and deletes the slice. |
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131 | Removes a single \a slice from the series and deletes the slice. | |
132 |
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132 | |||
133 | Do not reference this pointer after this call. |
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133 | Do not reference this pointer after this call. | |
134 | */ |
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134 | */ | |
135 | void QPieSeries::remove(QPieSlice* slice) |
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135 | void QPieSeries::remove(QPieSlice* slice) | |
136 | { |
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136 | { | |
137 | if (!m_slices.removeOne(slice)) { |
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137 | if (!m_slices.removeOne(slice)) { | |
138 | Q_ASSERT(0); // TODO: how should this be reported? |
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138 | Q_ASSERT(0); // TODO: how should this be reported? | |
139 | return; |
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139 | return; | |
140 | } |
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140 | } | |
141 |
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141 | |||
142 | updateDerivativeData(); |
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142 | updateDerivativeData(); | |
143 |
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143 | |||
144 | emit removed(QList<QPieSlice*>() << slice); |
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144 | emit removed(QList<QPieSlice*>() << slice); | |
145 |
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145 | |||
146 | delete slice; |
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146 | delete slice; | |
147 | slice = NULL; |
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147 | slice = NULL; | |
148 | } |
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148 | } | |
149 |
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149 | |||
150 | /*! |
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150 | /*! | |
151 | Clears all slices from the series. |
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151 | Clears all slices from the series. | |
152 | */ |
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152 | */ | |
153 | void QPieSeries::clear() |
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153 | void QPieSeries::clear() | |
154 | { |
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154 | { | |
155 | if (m_slices.count() == 0) |
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155 | if (m_slices.count() == 0) | |
156 | return; |
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156 | return; | |
157 |
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157 | |||
158 | QList<QPieSlice*> slices = m_slices; |
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158 | QList<QPieSlice*> slices = m_slices; | |
159 | foreach (QPieSlice* s, m_slices) { |
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159 | foreach (QPieSlice* s, m_slices) { | |
160 | m_slices.removeOne(s); |
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160 | m_slices.removeOne(s); | |
161 | delete s; |
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161 | delete s; | |
162 | } |
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162 | } | |
163 |
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163 | |||
164 | updateDerivativeData(); |
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164 | updateDerivativeData(); | |
165 |
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165 | |||
166 | emit removed(slices); |
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166 | emit removed(slices); | |
167 | } |
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167 | } | |
168 |
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168 | |||
169 | /*! |
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169 | /*! | |
170 | Counts the number of the slices in this series. |
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170 | Counts the number of the slices in this series. | |
171 | */ |
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171 | */ | |
172 | int QPieSeries::count() const |
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172 | int QPieSeries::count() const | |
173 | { |
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173 | { | |
174 | return m_slices.count(); |
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174 | return m_slices.count(); | |
175 | } |
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175 | } | |
176 |
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176 | |||
177 | /*! |
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177 | /*! | |
178 | Returns true is the series is empty. |
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178 | Returns true is the series is empty. | |
179 | */ |
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179 | */ | |
180 | bool QPieSeries::isEmpty() const |
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180 | bool QPieSeries::isEmpty() const | |
181 | { |
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181 | { | |
182 | return m_slices.isEmpty(); |
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182 | return m_slices.isEmpty(); | |
183 | } |
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183 | } | |
184 |
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184 | |||
185 | /*! |
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185 | /*! | |
186 | Returns a list of slices that belong to this series. |
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186 | Returns a list of slices that belong to this series. | |
187 | */ |
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187 | */ | |
188 | QList<QPieSlice*> QPieSeries::slices() const |
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188 | QList<QPieSlice*> QPieSeries::slices() const | |
189 | { |
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189 | { | |
190 | return m_slices; |
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190 | return m_slices; | |
191 | } |
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191 | } | |
192 |
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192 | |||
193 | /*! |
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193 | /*! | |
194 | Sets the center position of the pie by \a relativeHorizontalPosition and \a relativeVerticalPosition. |
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194 | Sets the center position of the pie by \a relativeHorizontalPosition and \a relativeVerticalPosition. | |
195 |
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195 | |||
196 | The factors are relative to the chart rectangle where: |
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196 | The factors are relative to the chart rectangle where: | |
197 |
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197 | |||
198 | \a relativeHorizontalPosition 0.0 means the absolute left. |
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198 | \a relativeHorizontalPosition 0.0 means the absolute left. | |
199 | \a relativeHorizontalPosition 1.0 means the absolute right. |
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199 | \a relativeHorizontalPosition 1.0 means the absolute right. | |
200 | \a relativeVerticalPosition 0.0 means the absolute top. |
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200 | \a relativeVerticalPosition 0.0 means the absolute top. | |
201 | \a relativeVerticalPosition 1.0 means the absolute bottom. |
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201 | \a relativeVerticalPosition 1.0 means the absolute bottom. | |
202 |
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202 | |||
203 | By default both values are 0.5 which puts the pie in the middle of the chart rectangle. |
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203 | By default both values are 0.5 which puts the pie in the middle of the chart rectangle. | |
204 |
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204 | |||
205 | \sa pieHorizontalPosition(), pieVerticalPosition(), setPieSize() |
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205 | \sa pieHorizontalPosition(), pieVerticalPosition(), setPieSize() | |
206 | */ |
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206 | */ | |
207 | void QPieSeries::setPiePosition(qreal relativeHorizontalPosition, qreal relativeVerticalPosition) |
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207 | void QPieSeries::setPiePosition(qreal relativeHorizontalPosition, qreal relativeVerticalPosition) | |
208 | { |
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208 | { | |
209 | if (relativeHorizontalPosition < 0.0 || relativeHorizontalPosition > 1.0 || |
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209 | if (relativeHorizontalPosition < 0.0 || relativeHorizontalPosition > 1.0 || | |
210 | relativeVerticalPosition < 0.0 || relativeVerticalPosition > 1.0) |
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210 | relativeVerticalPosition < 0.0 || relativeVerticalPosition > 1.0) | |
211 | return; |
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211 | return; | |
212 |
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212 | |||
213 | if (m_pieRelativeHorPos != relativeHorizontalPosition || m_pieRelativeVerPos != relativeVerticalPosition) { |
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213 | if (m_pieRelativeHorPos != relativeHorizontalPosition || m_pieRelativeVerPos != relativeVerticalPosition) { | |
214 | m_pieRelativeHorPos = relativeHorizontalPosition; |
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214 | m_pieRelativeHorPos = relativeHorizontalPosition; | |
215 | m_pieRelativeVerPos = relativeVerticalPosition; |
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215 | m_pieRelativeVerPos = relativeVerticalPosition; | |
216 | emit piePositionChanged(); |
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216 | emit piePositionChanged(); | |
217 | } |
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217 | } | |
218 | } |
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218 | } | |
219 |
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219 | |||
220 | /*! |
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220 | /*! | |
221 | Gets the horizontal position of the pie. |
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221 | Gets the horizontal position of the pie. | |
222 |
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222 | |||
223 | The returned value is relative to the chart rectangle where: |
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223 | The returned value is relative to the chart rectangle where: | |
224 |
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224 | |||
225 | 0.0 means the absolute left. |
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225 | 0.0 means the absolute left. | |
226 | 1.0 means the absolute right. |
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226 | 1.0 means the absolute right. | |
227 |
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227 | |||
228 | By default it is 0.5 which puts the pie in the horizontal middle of the chart rectangle. |
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228 | By default it is 0.5 which puts the pie in the horizontal middle of the chart rectangle. | |
229 |
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229 | |||
230 | \sa setPiePosition(), pieVerticalPosition(), setPieSize() |
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230 | \sa setPiePosition(), pieVerticalPosition(), setPieSize() | |
231 | */ |
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231 | */ | |
232 | qreal QPieSeries::pieHorizontalPosition() const |
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232 | qreal QPieSeries::pieHorizontalPosition() const | |
233 | { |
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233 | { | |
234 | return m_pieRelativeHorPos; |
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234 | return m_pieRelativeHorPos; | |
235 | } |
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235 | } | |
236 |
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236 | |||
237 | /*! |
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237 | /*! | |
238 | Gets the vertical position position of the pie. |
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238 | Gets the vertical position position of the pie. | |
239 |
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239 | |||
240 | The returned value is relative to the chart rectangle where: |
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240 | The returned value is relative to the chart rectangle where: | |
241 |
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241 | |||
242 | 0.0 means the absolute top. |
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242 | 0.0 means the absolute top. | |
243 | 1.0 means the absolute bottom. |
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243 | 1.0 means the absolute bottom. | |
244 |
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244 | |||
245 | By default it is 0.5 which puts the pie in the vertical middle of the chart rectangle. |
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245 | By default it is 0.5 which puts the pie in the vertical middle of the chart rectangle. | |
246 |
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246 | |||
247 | \sa setPiePosition(), pieHorizontalPosition(), setPieSize() |
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247 | \sa setPiePosition(), pieHorizontalPosition(), setPieSize() | |
248 | */ |
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248 | */ | |
249 | qreal QPieSeries::pieVerticalPosition() const |
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249 | qreal QPieSeries::pieVerticalPosition() const | |
250 | { |
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250 | { | |
251 | return m_pieRelativeVerPos; |
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251 | return m_pieRelativeVerPos; | |
252 | } |
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252 | } | |
253 |
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253 | |||
254 | /*! |
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254 | /*! | |
255 | Sets the relative size of the pie. |
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255 | Sets the relative size of the pie. | |
256 |
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256 | |||
257 | The \a relativeSize is defined so that the 1.0 is the maximum that can fit the given chart rectangle. |
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257 | The \a relativeSize is defined so that the 1.0 is the maximum that can fit the given chart rectangle. | |
258 |
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258 | |||
259 | Default value is 0.7. |
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259 | Default value is 0.7. | |
260 |
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260 | |||
261 | \sa pieSize(), setPiePosition(), pieVerticalPosition(), pieHorizontalPosition() |
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261 | \sa pieSize(), setPiePosition(), pieVerticalPosition(), pieHorizontalPosition() | |
262 | */ |
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262 | */ | |
263 | void QPieSeries::setPieSize(qreal relativeSize) |
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263 | void QPieSeries::setPieSize(qreal relativeSize) | |
264 | { |
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264 | { | |
265 | if (relativeSize < 0.0 || relativeSize > 1.0) |
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265 | if (relativeSize < 0.0 || relativeSize > 1.0) | |
266 | return; |
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266 | return; | |
267 |
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267 | |||
268 | if (m_pieRelativeSize != relativeSize) { |
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268 | if (m_pieRelativeSize != relativeSize) { | |
269 | m_pieRelativeSize = relativeSize; |
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269 | m_pieRelativeSize = relativeSize; | |
270 | emit pieSizeChanged(); |
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270 | emit pieSizeChanged(); | |
271 | } |
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271 | } | |
272 | } |
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272 | } | |
273 |
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273 | |||
274 | /*! |
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274 | /*! | |
275 | Gets the relative size of the pie. |
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275 | Gets the relative size of the pie. | |
276 |
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276 | |||
277 | The size is defined so that the 1.0 is the maximum that can fit the given chart rectangle. |
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277 | The size is defined so that the 1.0 is the maximum that can fit the given chart rectangle. | |
278 |
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278 | |||
279 | Default value is 0.7. |
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279 | Default value is 0.7. | |
280 |
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280 | |||
281 | \sa setPieSize(), setPiePosition(), pieVerticalPosition(), pieHorizontalPosition() |
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281 | \sa setPieSize(), setPiePosition(), pieVerticalPosition(), pieHorizontalPosition() | |
282 | */ |
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282 | */ | |
283 | qreal QPieSeries::pieSize() const |
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283 | qreal QPieSeries::pieSize() const | |
284 | { |
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284 | { | |
285 | return m_pieRelativeSize; |
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285 | return m_pieRelativeSize; | |
286 | } |
|
286 | } | |
287 |
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287 | |||
288 |
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288 | |||
289 | /*! |
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289 | /*! | |
290 | Sets the end angle of the pie. |
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290 | Sets the end angle of the pie. | |
291 |
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291 | |||
292 | Full pie is 360 degrees where 0 degrees is at 12 a'clock. |
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292 | Full pie is 360 degrees where 0 degrees is at 12 a'clock. | |
293 |
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293 | |||
294 | \a angle must be less than pie end angle. Default value is 0. |
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294 | \a angle must be less than pie end angle. Default value is 0. | |
295 |
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295 | |||
296 | \sa pieStartAngle(), pieEndAngle(), setPieEndAngle() |
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296 | \sa pieStartAngle(), pieEndAngle(), setPieEndAngle() | |
297 | */ |
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297 | */ | |
298 | void QPieSeries::setPieStartAngle(qreal angle) |
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298 | void QPieSeries::setPieStartAngle(qreal angle) | |
299 | { |
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299 | { | |
300 | if (angle >= 0 && angle <= 360 && angle != m_pieStartAngle && angle <= m_pieEndAngle) { |
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300 | if (angle >= 0 && angle <= 360 && angle != m_pieStartAngle && angle <= m_pieEndAngle) { | |
301 | m_pieStartAngle = angle; |
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301 | m_pieStartAngle = angle; | |
302 | updateDerivativeData(); |
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302 | updateDerivativeData(); | |
303 | } |
|
303 | } | |
304 | } |
|
304 | } | |
305 |
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305 | |||
306 | /*! |
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306 | /*! | |
307 | Gets the start angle of the pie. |
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307 | Gets the start angle of the pie. | |
308 |
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308 | |||
309 | Full pie is 360 degrees where 0 degrees is at 12 a'clock. Default value is 360. |
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309 | Full pie is 360 degrees where 0 degrees is at 12 a'clock. Default value is 360. | |
310 |
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310 | |||
311 | \sa setPieStartAngle(), pieEndAngle(), setPieEndAngle() |
|
311 | \sa setPieStartAngle(), pieEndAngle(), setPieEndAngle() | |
312 | */ |
|
312 | */ | |
313 | qreal QPieSeries::pieStartAngle() const |
|
313 | qreal QPieSeries::pieStartAngle() const | |
314 | { |
|
314 | { | |
315 | return m_pieStartAngle; |
|
315 | return m_pieStartAngle; | |
316 | } |
|
316 | } | |
317 |
|
317 | |||
318 | /*! |
|
318 | /*! | |
319 | Sets the end angle of the pie. |
|
319 | Sets the end angle of the pie. | |
320 |
|
320 | |||
321 | Full pie is 360 degrees where 0 degrees is at 12 a'clock. |
|
321 | Full pie is 360 degrees where 0 degrees is at 12 a'clock. | |
322 |
|
322 | |||
323 | \a angle must be greater than start angle. |
|
323 | \a angle must be greater than start angle. | |
324 |
|
324 | |||
325 | \sa pieEndAngle(), pieStartAngle(), setPieStartAngle() |
|
325 | \sa pieEndAngle(), pieStartAngle(), setPieStartAngle() | |
326 | */ |
|
326 | */ | |
327 | void QPieSeries::setPieEndAngle(qreal angle) |
|
327 | void QPieSeries::setPieEndAngle(qreal angle) | |
328 | { |
|
328 | { | |
329 | if (angle >= 0 && angle <= 360 && angle != m_pieEndAngle && angle >= m_pieStartAngle) { |
|
329 | if (angle >= 0 && angle <= 360 && angle != m_pieEndAngle && angle >= m_pieStartAngle) { | |
330 | m_pieEndAngle = angle; |
|
330 | m_pieEndAngle = angle; | |
331 | updateDerivativeData(); |
|
331 | updateDerivativeData(); | |
332 | } |
|
332 | } | |
333 | } |
|
333 | } | |
334 |
|
334 | |||
335 | /*! |
|
335 | /*! | |
336 | Returns the end angle of the pie. |
|
336 | Returns the end angle of the pie. | |
337 |
|
337 | |||
338 | Full pie is 360 degrees where 0 degrees is at 12 a'clock. |
|
338 | Full pie is 360 degrees where 0 degrees is at 12 a'clock. | |
339 |
|
339 | |||
340 | \sa setPieEndAngle(), pieStartAngle(), setPieStartAngle() |
|
340 | \sa setPieEndAngle(), pieStartAngle(), setPieStartAngle() | |
341 | */ |
|
341 | */ | |
342 | qreal QPieSeries::pieEndAngle() const |
|
342 | qreal QPieSeries::pieEndAngle() const | |
343 | { |
|
343 | { | |
344 | return m_pieEndAngle; |
|
344 | return m_pieEndAngle; | |
345 | } |
|
345 | } | |
346 |
|
346 | |||
347 | /*! |
|
347 | /*! | |
348 | Sets the all the slice labels \a visible or invisible. |
|
348 | Sets the all the slice labels \a visible or invisible. | |
349 |
|
349 | |||
350 | \sa QPieSlice::isLabelVisible(), QPieSlice::setLabelVisible() |
|
350 | \sa QPieSlice::isLabelVisible(), QPieSlice::setLabelVisible() | |
351 | */ |
|
351 | */ | |
352 | void QPieSeries::setLabelsVisible(bool visible) |
|
352 | void QPieSeries::setLabelsVisible(bool visible) | |
353 | { |
|
353 | { | |
354 | foreach (QPieSlice* s, m_slices) |
|
354 | foreach (QPieSlice* s, m_slices) | |
355 | s->setLabelVisible(visible); |
|
355 | s->setLabelVisible(visible); | |
356 | } |
|
356 | } | |
357 |
|
357 | |||
358 | /*! |
|
358 | /*! | |
359 | Returns the sum of all slice values in this series. |
|
359 | Returns the sum of all slice values in this series. | |
360 |
|
360 | |||
361 | \sa QPieSlice::value(), QPieSlice::setValue() |
|
361 | \sa QPieSlice::value(), QPieSlice::setValue() | |
362 | */ |
|
362 | */ | |
363 | qreal QPieSeries::total() const |
|
363 | qreal QPieSeries::total() const | |
364 | { |
|
364 | { | |
365 | return m_total; |
|
365 | return m_total; | |
366 | } |
|
366 | } | |
367 |
|
367 | |||
368 | /*! |
|
368 | /*! | |
369 | \fn void QPieSeries::changed() |
|
369 | \fn void QPieSeries::changed() | |
370 |
|
370 | |||
371 | This signal emitted when something has changed in the series. |
|
371 | This signal emitted when something has changed in the series. | |
372 |
|
372 | |||
373 | \sa QPieSeries::ChangeSet, QPieSlice::changed() |
|
373 | \sa QPieSeries::ChangeSet, QPieSlice::changed() | |
374 | */ |
|
374 | */ | |
375 |
|
375 | |||
376 | /*! |
|
376 | /*! | |
377 | \fn void QPieSeries::clicked(QPieSlice* slice) |
|
377 | \fn void QPieSeries::clicked(QPieSlice* slice) | |
378 |
|
378 | |||
379 | This signal is emitted when a \a slice has been clicked. |
|
379 | This signal is emitted when a \a slice has been clicked. | |
380 |
|
380 | |||
381 | \sa QPieSlice::clicked() |
|
381 | \sa QPieSlice::clicked() | |
382 | */ |
|
382 | */ | |
383 |
|
383 | |||
384 | /*! |
|
384 | /*! | |
385 | \fn void QPieSeries::hoverEnter(QPieSlice* slice) |
|
385 | \fn void QPieSeries::hoverEnter(QPieSlice* slice) | |
386 |
|
386 | |||
387 | This signal is emitted when user has hovered over a \a slice. |
|
387 | This signal is emitted when user has hovered over a \a slice. | |
388 |
|
388 | |||
389 | \sa QPieSlice::hoverEnter() |
|
389 | \sa QPieSlice::hoverEnter() | |
390 | */ |
|
390 | */ | |
391 |
|
391 | |||
392 | /*! |
|
392 | /*! | |
393 | \fn void QPieSeries::hoverLeave(QPieSlice* slice) |
|
393 | \fn void QPieSeries::hoverLeave(QPieSlice* slice) | |
394 |
|
394 | |||
395 | This signal is emitted when user has hovered away from a \a slice. |
|
395 | This signal is emitted when user has hovered away from a \a slice. | |
396 |
|
396 | |||
397 | \sa QPieSlice::hoverLeave() |
|
397 | \sa QPieSlice::hoverLeave() | |
398 | */ |
|
398 | */ | |
399 |
|
399 | |||
400 | void QPieSeries::sliceChanged() |
|
400 | void QPieSeries::sliceChanged() | |
401 | { |
|
401 | { | |
402 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); |
|
402 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); | |
403 | Q_ASSERT(m_slices.contains(slice)); |
|
403 | Q_ASSERT(m_slices.contains(slice)); | |
404 | updateDerivativeData(); |
|
404 | updateDerivativeData(); | |
405 | } |
|
405 | } | |
406 |
|
406 | |||
407 | void QPieSeries::sliceClicked() |
|
407 | void QPieSeries::sliceClicked() | |
408 | { |
|
408 | { | |
409 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); |
|
409 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); | |
410 | Q_ASSERT(m_slices.contains(slice)); |
|
410 | Q_ASSERT(m_slices.contains(slice)); | |
411 | emit clicked(slice); |
|
411 | emit clicked(slice); | |
412 | } |
|
412 | } | |
413 |
|
413 | |||
414 | void QPieSeries::sliceHoverEnter() |
|
414 | void QPieSeries::sliceHoverEnter() | |
415 | { |
|
415 | { | |
416 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); |
|
416 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); | |
417 | Q_ASSERT(m_slices.contains(slice)); |
|
417 | Q_ASSERT(m_slices.contains(slice)); | |
418 | emit hoverEnter(slice); |
|
418 | emit hoverEnter(slice); | |
419 | } |
|
419 | } | |
420 |
|
420 | |||
421 | void QPieSeries::sliceHoverLeave() |
|
421 | void QPieSeries::sliceHoverLeave() | |
422 | { |
|
422 | { | |
423 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); |
|
423 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); | |
424 | Q_ASSERT(m_slices.contains(slice)); |
|
424 | Q_ASSERT(m_slices.contains(slice)); | |
425 | emit hoverLeave(slice); |
|
425 | emit hoverLeave(slice); | |
426 | } |
|
426 | } | |
427 |
|
427 | |||
428 | void QPieSeries::updateDerivativeData() |
|
428 | void QPieSeries::updateDerivativeData() | |
429 | { |
|
429 | { | |
430 | m_total = 0; |
|
430 | m_total = 0; | |
431 |
|
431 | |||
432 | // nothing to do? |
|
432 | // nothing to do? | |
433 | if (m_slices.count() == 0) |
|
433 | if (m_slices.count() == 0) | |
434 | return; |
|
434 | return; | |
435 |
|
435 | |||
436 | // calculate total |
|
436 | // calculate total | |
437 | foreach (QPieSlice* s, m_slices) |
|
437 | foreach (QPieSlice* s, m_slices) | |
438 | m_total += s->value(); |
|
438 | m_total += s->value(); | |
439 |
|
439 | |||
440 | // nothing to show.. |
|
440 | // nothing to show.. | |
441 | if (m_total == 0) |
|
441 | if (m_total == 0) | |
442 | return; |
|
442 | return; | |
443 |
|
443 | |||
444 | // update slice attributes |
|
444 | // update slice attributes | |
445 | qreal sliceAngle = m_pieStartAngle; |
|
445 | qreal sliceAngle = m_pieStartAngle; | |
446 | qreal pieSpan = m_pieEndAngle - m_pieStartAngle; |
|
446 | qreal pieSpan = m_pieEndAngle - m_pieStartAngle; | |
447 | QVector<QPieSlice*> changed; |
|
447 | QVector<QPieSlice*> changed; | |
448 | foreach (QPieSlice* s, m_slices) { |
|
448 | foreach (QPieSlice* s, m_slices) { | |
449 |
|
449 | |||
450 | bool isChanged = false; |
|
450 | bool isChanged = false; | |
451 |
|
451 | |||
452 | qreal percentage = s->value() / m_total; |
|
452 | qreal percentage = s->value() / m_total; | |
453 | if (s->m_percentage != percentage) { |
|
453 | if (s->m_percentage != percentage) { | |
454 | s->m_percentage = percentage; |
|
454 | s->m_percentage = percentage; | |
455 | isChanged = true; |
|
455 | isChanged = true; | |
456 | } |
|
456 | } | |
457 |
|
457 | |||
458 | qreal sliceSpan = pieSpan * percentage; |
|
458 | qreal sliceSpan = pieSpan * percentage; | |
459 | if (s->m_angleSpan != sliceSpan) { |
|
459 | if (s->m_angleSpan != sliceSpan) { | |
460 | s->m_angleSpan = sliceSpan; |
|
460 | s->m_angleSpan = sliceSpan; | |
461 | isChanged = true; |
|
461 | isChanged = true; | |
462 | } |
|
462 | } | |
463 |
|
463 | |||
464 | if (s->m_startAngle != sliceAngle) { |
|
464 | if (s->m_startAngle != sliceAngle) { | |
465 | s->m_startAngle = sliceAngle; |
|
465 | s->m_startAngle = sliceAngle; | |
466 | isChanged = true; |
|
466 | isChanged = true; | |
467 | } |
|
467 | } | |
468 | sliceAngle += sliceSpan; |
|
468 | sliceAngle += sliceSpan; | |
469 |
|
469 | |||
470 | if (isChanged) |
|
470 | if (isChanged) | |
471 | changed << s; |
|
471 | changed << s; | |
472 | } |
|
472 | } | |
473 |
|
473 | |||
474 | // emit signals |
|
474 | // emit signals | |
475 | foreach (QPieSlice* s, changed) |
|
475 | foreach (QPieSlice* s, changed) | |
476 | emit s->changed(); |
|
476 | emit s->changed(); | |
477 | } |
|
477 | } | |
478 |
|
478 | |||
479 | bool QPieSeries::setModel(QAbstractItemModel* model) |
|
479 | bool QPieSeries::setModel(QAbstractItemModel* model) | |
480 | { |
|
480 | { | |
481 | // disconnect signals from old model |
|
481 | // disconnect signals from old model | |
482 | if(m_model) |
|
482 | if(m_model) | |
483 | { |
|
483 | { | |
484 | disconnect(m_model, 0, this, 0); |
|
484 | disconnect(m_model, 0, this, 0); | |
485 | m_mapValues = -1; |
|
485 | m_mapValues = -1; | |
486 | m_mapLabels = -1; |
|
486 | m_mapLabels = -1; | |
487 | m_mapOrientation = Qt::Vertical; |
|
487 | m_mapOrientation = Qt::Vertical; | |
488 | } |
|
488 | } | |
489 |
|
489 | |||
490 | // set new model |
|
490 | // set new model | |
491 | if(model) |
|
491 | if(model) | |
492 | { |
|
492 | { | |
493 | m_model = model; |
|
493 | m_model = model; | |
494 | return true; |
|
494 | return true; | |
495 | } |
|
495 | } | |
496 | else |
|
496 | else | |
497 | { |
|
497 | { | |
498 | m_model = NULL; |
|
498 | m_model = NULL; | |
499 | return false; |
|
499 | return false; | |
500 | } |
|
500 | } | |
501 | } |
|
501 | } | |
502 |
|
502 | |||
503 | void QPieSeries::setModelMapping(int modelValuesLine, int modelLabelsLine, Qt::Orientation orientation) |
|
503 | void QPieSeries::setModelMapping(int modelValuesLine, int modelLabelsLine, Qt::Orientation orientation) | |
504 | { |
|
504 | { | |
505 | if (m_model == NULL) |
|
505 | if (m_model == NULL) | |
506 | return; |
|
506 | return; | |
507 | m_mapValues = modelValuesLine; |
|
507 | m_mapValues = modelValuesLine; | |
508 | m_mapLabels = modelLabelsLine; |
|
508 | m_mapLabels = modelLabelsLine; | |
509 | m_mapOrientation = orientation; |
|
509 | m_mapOrientation = orientation; | |
510 |
|
510 | |||
511 | // connect the signals |
|
511 | // connect the signals | |
512 | if (m_mapOrientation == Qt::Vertical) |
|
512 | if (m_mapOrientation == Qt::Vertical) | |
513 | { |
|
513 | { | |
514 | connect(m_model,SIGNAL(dataChanged(QModelIndex,QModelIndex)), this, SLOT(modelUpdated(QModelIndex, QModelIndex))); |
|
514 | connect(m_model,SIGNAL(dataChanged(QModelIndex,QModelIndex)), this, SLOT(modelUpdated(QModelIndex, QModelIndex))); | |
515 | connect(m_model,SIGNAL(rowsInserted(QModelIndex, int, int)), this, SLOT(modelDataAdded(QModelIndex,int,int))); |
|
515 | connect(m_model,SIGNAL(rowsInserted(QModelIndex, int, int)), this, SLOT(modelDataAdded(QModelIndex,int,int))); | |
516 | connect(m_model, SIGNAL(rowsRemoved(QModelIndex, int, int)), this, SLOT(modelDataRemoved(QModelIndex,int,int))); |
|
516 | connect(m_model, SIGNAL(rowsRemoved(QModelIndex, int, int)), this, SLOT(modelDataRemoved(QModelIndex,int,int))); | |
517 | } |
|
517 | } | |
518 | else |
|
518 | else | |
519 | { |
|
519 | { | |
520 | connect(m_model,SIGNAL(dataChanged(QModelIndex,QModelIndex)), this, SLOT(modelUpdated(QModelIndex, QModelIndex))); |
|
520 | connect(m_model,SIGNAL(dataChanged(QModelIndex,QModelIndex)), this, SLOT(modelUpdated(QModelIndex, QModelIndex))); | |
521 | connect(m_model,SIGNAL(columnsInserted(QModelIndex, int, int)), this, SLOT(modelDataAdded(QModelIndex,int,int))); |
|
521 | connect(m_model,SIGNAL(columnsInserted(QModelIndex, int, int)), this, SLOT(modelDataAdded(QModelIndex,int,int))); | |
522 | connect(m_model, SIGNAL(columnsRemoved(QModelIndex, int, int)), this, SLOT(modelDataRemoved(QModelIndex,int,int))); |
|
522 | connect(m_model, SIGNAL(columnsRemoved(QModelIndex, int, int)), this, SLOT(modelDataRemoved(QModelIndex,int,int))); | |
523 | } |
|
523 | } | |
524 |
|
524 | |||
525 | // create the initial slices set |
|
525 | // create the initial slices set | |
526 | if (m_mapOrientation == Qt::Vertical) |
|
526 | if (m_mapOrientation == Qt::Vertical) | |
527 | for (int i = 0; i < m_model->rowCount(); i++) |
|
527 | for (int i = 0; i < m_model->rowCount(); i++) | |
528 | add(m_model->data(m_model->index(i, m_mapValues), Qt::DisplayRole).toDouble(), m_model->data(m_model->index(i, m_mapLabels), Qt::DisplayRole).toString()); |
|
528 | add(m_model->data(m_model->index(i, m_mapValues), Qt::DisplayRole).toDouble(), m_model->data(m_model->index(i, m_mapLabels), Qt::DisplayRole).toString()); | |
529 | else |
|
529 | else | |
530 | for (int i = 0; i < m_model->columnCount(); i++) |
|
530 | for (int i = 0; i < m_model->columnCount(); i++) | |
531 | add(m_model->data(m_model->index(m_mapValues, i), Qt::DisplayRole).toDouble(), m_model->data(m_model->index(m_mapLabels, i), Qt::DisplayRole).toString()); |
|
531 | add(m_model->data(m_model->index(m_mapValues, i), Qt::DisplayRole).toDouble(), m_model->data(m_model->index(m_mapLabels, i), Qt::DisplayRole).toString()); | |
532 |
|
532 | |||
533 |
|
533 | |||
534 | } |
|
534 | } | |
535 |
|
535 | |||
536 | void QPieSeries::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight) |
|
536 | void QPieSeries::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight) | |
537 | { |
|
537 | { | |
538 | Q_UNUSED(bottomRight) |
|
538 | Q_UNUSED(bottomRight) | |
539 |
|
539 | |||
540 | if (m_mapOrientation == Qt::Vertical) |
|
540 | if (m_mapOrientation == Qt::Vertical) | |
541 | { |
|
541 | { | |
542 | // slices().at(topLeft.row())->setValue(m_model->data(m_model->index(topLeft.row(), topLeft.column()), Qt::DisplayRole).toDouble()); |
|
542 | // slices().at(topLeft.row())->setValue(m_model->data(m_model->index(topLeft.row(), topLeft.column()), Qt::DisplayRole).toDouble()); | |
543 | if (topLeft.column() == m_mapValues) |
|
543 | if (topLeft.column() == m_mapValues) | |
|
544 | if (m_mapValues == m_mapLabels) | |||
|
545 | { | |||
544 | slices().at(topLeft.row())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble()); |
|
546 | slices().at(topLeft.row())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble()); | |
|
547 | slices().at(topLeft.row())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString()); | |||
|
548 | } | |||
|
549 | else | |||
|
550 | { | |||
|
551 | slices().at(topLeft.row())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble()); | |||
|
552 | } | |||
545 | else if (topLeft.column() == m_mapLabels) |
|
553 | else if (topLeft.column() == m_mapLabels) | |
546 | slices().at(topLeft.row())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString()); |
|
554 | slices().at(topLeft.row())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString()); | |
547 | } |
|
555 | } | |
548 | else |
|
556 | else | |
549 | { |
|
557 | { | |
550 | // slices().at(topLeft.column())->setValue(m_model->data(m_model->index(topLeft.row(), topLeft.column()), Qt::DisplayRole).toDouble()); |
|
558 | // slices().at(topLeft.column())->setValue(m_model->data(m_model->index(topLeft.row(), topLeft.column()), Qt::DisplayRole).toDouble()); | |
551 | if (topLeft.row() == m_mapValues) |
|
559 | if (topLeft.row() == m_mapValues) | |
|
560 | if (m_mapValues == m_mapLabels) | |||
|
561 | { | |||
552 | slices().at(topLeft.column())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble()); |
|
562 | slices().at(topLeft.column())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble()); | |
|
563 | slices().at(topLeft.column())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString()); | |||
|
564 | } | |||
|
565 | else | |||
|
566 | { | |||
|
567 | slices().at(topLeft.column())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble()); | |||
|
568 | } | |||
553 | else if (topLeft.row() == m_mapLabels) |
|
569 | else if (topLeft.row() == m_mapLabels) | |
554 | slices().at(topLeft.column())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString()); |
|
570 | slices().at(topLeft.column())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString()); | |
555 | } |
|
571 | } | |
556 | } |
|
572 | } | |
557 |
|
573 | |||
558 | void QPieSeries::modelDataAdded(QModelIndex parent, int start, int end) |
|
574 | void QPieSeries::modelDataAdded(QModelIndex parent, int start, int end) | |
559 | { |
|
575 | { | |
560 | Q_UNUSED(parent) |
|
576 | Q_UNUSED(parent) | |
561 | Q_UNUSED(end) |
|
577 | Q_UNUSED(end) | |
562 |
|
578 | |||
563 | QPieSlice* newSlice = new QPieSlice; |
|
579 | QPieSlice* newSlice = new QPieSlice; | |
564 | newSlice->setLabelVisible(true); |
|
580 | newSlice->setLabelVisible(true); | |
565 | if (m_mapOrientation == Qt::Vertical) |
|
581 | if (m_mapOrientation == Qt::Vertical) | |
566 | { |
|
582 | { | |
567 | newSlice->setValue(m_model->data(m_model->index(start, m_mapValues), Qt::DisplayRole).toDouble()); |
|
583 | newSlice->setValue(m_model->data(m_model->index(start, m_mapValues), Qt::DisplayRole).toDouble()); | |
568 | newSlice->setLabel(m_model->data(m_model->index(start, m_mapLabels), Qt::DisplayRole).toString()); |
|
584 | newSlice->setLabel(m_model->data(m_model->index(start, m_mapLabels), Qt::DisplayRole).toString()); | |
569 | } |
|
585 | } | |
570 | else |
|
586 | else | |
571 | { |
|
587 | { | |
572 | newSlice->setValue(m_model->data(m_model->index(m_mapValues, start), Qt::DisplayRole).toDouble()); |
|
588 | newSlice->setValue(m_model->data(m_model->index(m_mapValues, start), Qt::DisplayRole).toDouble()); | |
573 | newSlice->setLabel(m_model->data(m_model->index(m_mapLabels, start), Qt::DisplayRole).toString()); |
|
589 | newSlice->setLabel(m_model->data(m_model->index(m_mapLabels, start), Qt::DisplayRole).toString()); | |
574 | } |
|
590 | } | |
575 |
|
591 | |||
576 | insert(start, newSlice); |
|
592 | insert(start, newSlice); | |
577 | } |
|
593 | } | |
578 |
|
594 | |||
579 | void QPieSeries::modelDataRemoved(QModelIndex parent, int start, int end) |
|
595 | void QPieSeries::modelDataRemoved(QModelIndex parent, int start, int end) | |
580 | { |
|
596 | { | |
581 | Q_UNUSED(parent) |
|
597 | Q_UNUSED(parent) | |
582 | Q_UNUSED(end) |
|
598 | Q_UNUSED(end) | |
583 | remove(slices().at(start)); |
|
599 | remove(slices().at(start)); | |
584 | } |
|
600 | } | |
585 |
|
601 | |||
586 | #include "moc_qpieseries.cpp" |
|
602 | #include "moc_qpieseries.cpp" | |
587 |
|
603 | |||
588 | QTCOMMERCIALCHART_END_NAMESPACE |
|
604 | QTCOMMERCIALCHART_END_NAMESPACE |
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