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1 | /**************************************************************************** |
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1 | /**************************************************************************** | |
2 | ** |
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2 | ** | |
3 | ** Copyright (C) 2014 Digia Plc |
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3 | ** Copyright (C) 2014 Digia Plc | |
4 | ** All rights reserved. |
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4 | ** All rights reserved. | |
5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
5 | ** For any questions to Digia, please use contact form at http://qt.digia.com | |
6 | ** |
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6 | ** | |
7 | ** This file is part of the Qt Enterprise Charts Add-on. |
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7 | ** This file is part of the Qt Enterprise Charts Add-on. | |
8 | ** |
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8 | ** | |
9 | ** $QT_BEGIN_LICENSE$ |
|
9 | ** $QT_BEGIN_LICENSE$ | |
10 | ** Licensees holding valid Qt Enterprise licenses may use this file in |
|
10 | ** Licensees holding valid Qt Enterprise licenses may use this file in | |
11 | ** accordance with the Qt Enterprise License Agreement provided with the |
|
11 | ** accordance with the Qt Enterprise License Agreement provided with the | |
12 | ** Software or, alternatively, in accordance with the terms contained in |
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12 | ** Software or, alternatively, in accordance with the terms contained in | |
13 | ** a written agreement between you and Digia. |
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13 | ** a written agreement between you and Digia. | |
14 | ** |
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14 | ** | |
15 | ** If you have questions regarding the use of this file, please use |
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15 | ** If you have questions regarding the use of this file, please use | |
16 | ** contact form at http://qt.digia.com |
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16 | ** contact form at http://qt.digia.com | |
17 | ** $QT_END_LICENSE$ |
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17 | ** $QT_END_LICENSE$ | |
18 | ** |
|
18 | ** | |
19 | ****************************************************************************/ |
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19 | ****************************************************************************/ | |
20 |
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20 | |||
21 | #include "qvalueaxis.h" |
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21 | #include "qvalueaxis.h" | |
22 | #include "qvalueaxis_p.h" |
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22 | #include "qvalueaxis_p.h" | |
23 | #include "chartvalueaxisx_p.h" |
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23 | #include "chartvalueaxisx_p.h" | |
24 | #include "chartvalueaxisy_p.h" |
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24 | #include "chartvalueaxisy_p.h" | |
25 | #include "abstractdomain_p.h" |
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25 | #include "abstractdomain_p.h" | |
26 | #include "polarchartvalueaxisangular_p.h" |
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26 | #include "polarchartvalueaxisangular_p.h" | |
27 | #include "polarchartvalueaxisradial_p.h" |
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27 | #include "polarchartvalueaxisradial_p.h" | |
28 | #include "chartdataset_p.h" |
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28 | #include "chartdataset_p.h" | |
29 | #include "chartpresenter_p.h" |
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29 | #include "chartpresenter_p.h" | |
30 | #include "charttheme_p.h" |
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30 | #include "charttheme_p.h" | |
31 |
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31 | |||
32 |
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32 | |||
33 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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33 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
34 | /*! |
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34 | /*! | |
35 | \class QValueAxis |
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35 | \class QValueAxis | |
36 | \inmodule Qt Charts |
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36 | \inmodule Qt Charts | |
37 | \brief The QValueAxis class is used for manipulating chart's axis. |
|
37 | \brief The QValueAxis class is used for manipulating chart's axis. | |
38 | \mainclass |
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38 | \mainclass | |
39 |
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39 | |||
40 | ValueAxis can be setup to show axis line with tick marks, grid lines and shades. |
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40 | ValueAxis can be setup to show axis line with tick marks, grid lines and shades. | |
41 | Values of axis are drawn to position of ticks. |
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41 | Values of axis are drawn to position of ticks. | |
42 |
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42 | |||
43 | Example code on how to use QValueAxis. |
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43 | Example code on how to use QValueAxis. | |
44 | \code |
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44 | \code | |
45 | QChartView *chartView = new QChartView; |
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45 | QChartView *chartView = new QChartView; | |
46 | QLineSeries *series = new QLineSeries; |
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46 | QLineSeries *series = new QLineSeries; | |
47 | // ... |
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47 | // ... | |
48 | chartView->chart()->addSeries(series); |
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48 | chartView->chart()->addSeries(series); | |
49 |
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49 | |||
50 | QValueAxis *axisX = new QValueAxis; |
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50 | QValueAxis *axisX = new QValueAxis; | |
51 | axisX->setRange(10, 20.5); |
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51 | axisX->setRange(10, 20.5); | |
52 | axisX->setTickCount(10); |
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52 | axisX->setTickCount(10); | |
53 | axisX->setLabelFormat("%.2f"); |
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53 | axisX->setLabelFormat("%.2f"); | |
54 | chartView->chart()->setAxisX(axisX, series); |
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54 | chartView->chart()->setAxisX(axisX, series); | |
55 | \endcode |
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55 | \endcode | |
56 | */ |
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56 | */ | |
57 | #ifdef QDOC_QT5 |
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57 | #ifdef QDOC_QT5 | |
58 | /*! |
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58 | /*! | |
59 | \qmltype ValueAxis |
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59 | \qmltype ValueAxis | |
60 | \instantiates QValueAxis |
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60 | \instantiates QValueAxis | |
61 | \inqmlmodule QtCommercial.Chart |
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61 | \inqmlmodule QtCommercial.Chart | |
62 |
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62 | |||
63 | \include doc/src/valueaxis.qdocinc |
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63 | \include doc/src/valueaxis.qdocinc | |
64 | */ |
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64 | */ | |
65 | #else |
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65 | #else | |
66 | /*! |
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66 | /*! | |
67 | \qmlclass ValueAxis QValueAxis |
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67 | \qmlclass ValueAxis QValueAxis | |
68 |
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68 | |||
69 | \include ../doc/src/valueaxis.qdocinc |
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69 | \include ../doc/src/valueaxis.qdocinc | |
70 | */ |
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70 | */ | |
71 | #endif |
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71 | #endif | |
72 |
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72 | |||
73 | /*! |
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73 | /*! | |
74 | \property QValueAxis::min |
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74 | \property QValueAxis::min | |
75 | Defines the minimum value on the axis. |
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75 | Defines the minimum value on the axis. | |
76 | When setting this property the max is adjusted if necessary, to ensure that the range remains valid. |
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76 | When setting this property the max is adjusted if necessary, to ensure that the range remains valid. | |
77 | */ |
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77 | */ | |
78 | /*! |
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78 | /*! | |
79 | \qmlproperty real ValueAxis::min |
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79 | \qmlproperty real ValueAxis::min | |
80 | Defines the minimum value on the axis. |
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80 | Defines the minimum value on the axis. | |
81 | When setting this property the max is adjusted if necessary, to ensure that the range remains valid. |
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81 | When setting this property the max is adjusted if necessary, to ensure that the range remains valid. | |
82 | */ |
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82 | */ | |
83 |
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83 | |||
84 | /*! |
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84 | /*! | |
85 | \property QValueAxis::max |
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85 | \property QValueAxis::max | |
86 | Defines the maximum value on the axis. |
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86 | Defines the maximum value on the axis. | |
87 | When setting this property the min is adjusted if necessary, to ensure that the range remains valid. |
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87 | When setting this property the min is adjusted if necessary, to ensure that the range remains valid. | |
88 | */ |
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88 | */ | |
89 | /*! |
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89 | /*! | |
90 | \qmlproperty real ValueAxis::max |
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90 | \qmlproperty real ValueAxis::max | |
91 | Defines the maximum value on the axis. |
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91 | Defines the maximum value on the axis. | |
92 | When setting this property the min is adjusted if necessary, to ensure that the range remains valid. |
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92 | When setting this property the min is adjusted if necessary, to ensure that the range remains valid. | |
93 | */ |
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93 | */ | |
94 |
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94 | |||
95 | /*! |
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95 | /*! | |
96 | \property QValueAxis::tickCount |
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96 | \property QValueAxis::tickCount | |
97 | Defines the number of ticks on the axis. This indicates how many grid lines are draw on the chart. |
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97 | Defines the number of ticks on the axis. This indicates how many grid lines are draw on the chart. | |
98 | The default value is 5, and it can not be below 2. |
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98 | The default value is 5, and it can not be below 2. | |
99 | */ |
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99 | */ | |
100 | /*! |
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100 | /*! | |
101 | \qmlproperty real ValueAxis::tickCount |
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101 | \qmlproperty real ValueAxis::tickCount | |
102 | Defines the number of ticks on the axis. This indicates how many grid lines are draw on the chart. |
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102 | Defines the number of ticks on the axis. This indicates how many grid lines are draw on the chart. | |
103 | The default value is 5, and it can not be below 2. |
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103 | The default value is 5, and it can not be below 2. | |
104 | */ |
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104 | */ | |
105 |
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105 | |||
106 | /*! |
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106 | /*! | |
107 | \property QValueAxis::labelFormat |
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107 | \property QValueAxis::labelFormat | |
108 | Defines the label format of the axis. |
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108 | Defines the label format of the axis. | |
109 | Supported specifiers are: d, i, o, x, X, f, F, e, E, g, G, c |
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109 | Supported specifiers are: d, i, o, x, X, f, F, e, E, g, G, c | |
110 | See QString::sprintf() for additional details. |
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110 | See QString::sprintf() for additional details. | |
111 | */ |
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111 | */ | |
112 | /*! |
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112 | /*! | |
113 | \qmlproperty real ValueAxis::labelFormat |
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113 | \qmlproperty real ValueAxis::labelFormat | |
114 | Defines the label format of the axis. |
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114 | Defines the label format of the axis. | |
115 | Supported specifiers are: d, i, o, x, X, f, F, e, E, g, G, c |
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115 | Supported specifiers are: d, i, o, x, X, f, F, e, E, g, G, c | |
116 | See QString::sprintf() for additional details. |
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116 | See QString::sprintf() for additional details. | |
117 | */ |
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117 | */ | |
118 |
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118 | |||
119 | /*! |
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119 | /*! | |
120 | \fn void QValueAxis::minChanged(qreal min) |
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120 | \fn void QValueAxis::minChanged(qreal min) | |
121 | Axis emits signal when \a min of axis has changed. |
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121 | Axis emits signal when \a min of axis has changed. | |
122 | */ |
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122 | */ | |
123 | /*! |
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123 | /*! | |
124 | \qmlsignal ValueAxis::onMinChanged(real min) |
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124 | \qmlsignal ValueAxis::onMinChanged(real min) | |
125 | Axis emits signal when \a min of axis has changed. |
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125 | Axis emits signal when \a min of axis has changed. | |
126 | */ |
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126 | */ | |
127 |
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127 | |||
128 | /*! |
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128 | /*! | |
129 | \fn void QValueAxis::maxChanged(qreal max) |
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129 | \fn void QValueAxis::maxChanged(qreal max) | |
130 | Axis emits signal when \a max of axis has changed. |
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130 | Axis emits signal when \a max of axis has changed. | |
131 | */ |
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131 | */ | |
132 | /*! |
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132 | /*! | |
133 | \qmlsignal ValueAxis::onMaxChanged(real max) |
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133 | \qmlsignal ValueAxis::onMaxChanged(real max) | |
134 | Axis emits signal when \a max of axis has changed. |
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134 | Axis emits signal when \a max of axis has changed. | |
135 | */ |
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135 | */ | |
136 |
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136 | |||
137 | /*! |
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137 | /*! | |
138 | \fn void QValueAxis::tickCountChanged(int tickCount) |
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138 | \fn void QValueAxis::tickCountChanged(int tickCount) | |
139 | Axis emits signal when \a tickCount of axis has changed. |
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139 | Axis emits signal when \a tickCount of axis has changed. | |
140 | */ |
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140 | */ | |
141 | /*! |
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141 | /*! | |
142 | \qmlsignal ValueAxis::tickCountChanged(int tickCount) |
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142 | \qmlsignal ValueAxis::tickCountChanged(int tickCount) | |
143 | Axis emits signal when \a tickCount of axis has changed. |
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143 | Axis emits signal when \a tickCount of axis has changed. | |
144 | */ |
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144 | */ | |
145 |
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145 | |||
146 | /*! |
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146 | /*! | |
147 | \fn void QValueAxis::rangeChanged(qreal min, qreal max) |
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147 | \fn void QValueAxis::rangeChanged(qreal min, qreal max) | |
148 | Axis emits signal when \a min or \a max of axis has changed. |
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148 | Axis emits signal when \a min or \a max of axis has changed. | |
149 | */ |
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149 | */ | |
150 |
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150 | |||
151 | /*! |
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151 | /*! | |
152 | \fn void QValueAxis::labelFormatChanged(const QString &format) |
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152 | \fn void QValueAxis::labelFormatChanged(const QString &format) | |
153 | Axis emits signal when \a format of axis labels has changed. |
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153 | Axis emits signal when \a format of axis labels has changed. | |
154 | */ |
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154 | */ | |
155 | /*! |
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155 | /*! | |
156 | \qmlsignal ValueAxis::labelFormatChanged(const QString &format) |
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156 | \qmlsignal ValueAxis::labelFormatChanged(const QString &format) | |
157 | Axis emits signal when \a format of axis labels has changed. |
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157 | Axis emits signal when \a format of axis labels has changed. | |
158 | */ |
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158 | */ | |
159 |
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159 | |||
160 | /*! |
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160 | /*! | |
161 | \property QValueAxis::niceNumbersEnabled |
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161 | \property QValueAxis::niceNumbersEnabled | |
162 | \obsolete |
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162 | \obsolete | |
163 | Using this function can lead to unexpected behavior. Use applyNiceNumbers() instead. |
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163 | Using this function can lead to unexpected behavior. Use applyNiceNumbers() instead. | |
164 | */ |
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164 | */ | |
165 |
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165 | |||
166 | /*! |
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166 | /*! | |
167 | \qmlproperty bool ValueAxis::niceNumbersEnabled |
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167 | \qmlproperty bool ValueAxis::niceNumbersEnabled | |
168 | Deprecated; Using this function can lead to unexpected behavior. Use applyNiceNumbers() instead. |
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168 | Deprecated; Using this function can lead to unexpected behavior. Use applyNiceNumbers() instead. | |
169 | */ |
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169 | */ | |
170 |
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170 | |||
171 | /*! |
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171 | /*! | |
172 | Constructs an axis object which is a child of \a parent. |
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172 | Constructs an axis object which is a child of \a parent. | |
173 | */ |
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173 | */ | |
174 | QValueAxis::QValueAxis(QObject *parent) : |
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174 | QValueAxis::QValueAxis(QObject *parent) : | |
175 | QAbstractAxis(*new QValueAxisPrivate(this), parent) |
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175 | QAbstractAxis(*new QValueAxisPrivate(this), parent) | |
176 | { |
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176 | { | |
177 |
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177 | |||
178 | } |
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178 | } | |
179 |
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179 | |||
180 | /*! |
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180 | /*! | |
181 | \internal |
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181 | \internal | |
182 | */ |
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182 | */ | |
183 | QValueAxis::QValueAxis(QValueAxisPrivate &d, QObject *parent) |
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183 | QValueAxis::QValueAxis(QValueAxisPrivate &d, QObject *parent) | |
184 | : QAbstractAxis(d, parent) |
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184 | : QAbstractAxis(d, parent) | |
185 | { |
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185 | { | |
186 |
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186 | |||
187 | } |
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187 | } | |
188 |
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188 | |||
189 | /*! |
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189 | /*! | |
190 | Destroys the object |
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190 | Destroys the object | |
191 | */ |
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191 | */ | |
192 | QValueAxis::~QValueAxis() |
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192 | QValueAxis::~QValueAxis() | |
193 | { |
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193 | { | |
194 | Q_D(QValueAxis); |
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194 | Q_D(QValueAxis); | |
195 | if (d->m_chart) |
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195 | if (d->m_chart) | |
196 | d->m_chart->removeAxis(this); |
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196 | d->m_chart->removeAxis(this); | |
197 | } |
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197 | } | |
198 |
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198 | |||
199 | void QValueAxis::setMin(qreal min) |
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199 | void QValueAxis::setMin(qreal min) | |
200 | { |
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200 | { | |
201 | Q_D(QValueAxis); |
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201 | Q_D(QValueAxis); | |
202 | setRange(min, qMax(d->m_max, min)); |
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202 | setRange(min, qMax(d->m_max, min)); | |
203 | } |
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203 | } | |
204 |
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204 | |||
205 | qreal QValueAxis::min() const |
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205 | qreal QValueAxis::min() const | |
206 | { |
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206 | { | |
207 | Q_D(const QValueAxis); |
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207 | Q_D(const QValueAxis); | |
208 | return d->m_min; |
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208 | return d->m_min; | |
209 | } |
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209 | } | |
210 |
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210 | |||
211 | void QValueAxis::setMax(qreal max) |
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211 | void QValueAxis::setMax(qreal max) | |
212 | { |
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212 | { | |
213 | Q_D(QValueAxis); |
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213 | Q_D(QValueAxis); | |
214 | setRange(qMin(d->m_min, max), max); |
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214 | setRange(qMin(d->m_min, max), max); | |
215 | } |
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215 | } | |
216 |
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216 | |||
217 | qreal QValueAxis::max() const |
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217 | qreal QValueAxis::max() const | |
218 | { |
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218 | { | |
219 | Q_D(const QValueAxis); |
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219 | Q_D(const QValueAxis); | |
220 | return d->m_max; |
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220 | return d->m_max; | |
221 | } |
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221 | } | |
222 |
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222 | |||
223 | /*! |
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223 | /*! | |
224 | Sets range from \a min to \a max on the axis. |
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224 | Sets range from \a min to \a max on the axis. | |
225 | If min is greater than max then this function returns without making any changes. |
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225 | If min is greater than max then this function returns without making any changes. | |
226 | */ |
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226 | */ | |
227 | void QValueAxis::setRange(qreal min, qreal max) |
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227 | void QValueAxis::setRange(qreal min, qreal max) | |
228 | { |
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228 | { | |
229 | Q_D(QValueAxis); |
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229 | Q_D(QValueAxis); | |
230 | d->setRange(min,max); |
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230 | d->setRange(min,max); | |
231 | } |
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231 | } | |
232 |
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232 | |||
233 | void QValueAxis::setTickCount(int count) |
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233 | void QValueAxis::setTickCount(int count) | |
234 | { |
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234 | { | |
235 | Q_D(QValueAxis); |
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235 | Q_D(QValueAxis); | |
236 | if (d->m_tickCount != count && count >= 2) { |
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236 | if (d->m_tickCount != count && count >= 2) { | |
237 | d->m_tickCount = count; |
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237 | d->m_tickCount = count; | |
238 | emit tickCountChanged(count); |
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238 | emit tickCountChanged(count); | |
239 | } |
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239 | } | |
240 | } |
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240 | } | |
241 |
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241 | |||
242 | int QValueAxis::tickCount() const |
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242 | int QValueAxis::tickCount() const | |
243 | { |
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243 | { | |
244 | Q_D(const QValueAxis); |
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244 | Q_D(const QValueAxis); | |
245 | return d->m_tickCount; |
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245 | return d->m_tickCount; | |
246 | } |
|
246 | } | |
247 |
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247 | |||
248 | void QValueAxis::setNiceNumbersEnabled(bool enable) |
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248 | void QValueAxis::setNiceNumbersEnabled(bool enable) | |
249 | { |
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249 | { | |
250 | Q_D(QValueAxis); |
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250 | Q_D(QValueAxis); | |
251 | qWarning() << "Deprecated; Using this function can lead to unexpected behavior. " \ |
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251 | qWarning() << "Deprecated; Using this function can lead to unexpected behavior. " \ | |
252 | "Use applyNiceNumbers() instead."; |
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252 | "Use applyNiceNumbers() instead."; | |
253 | if(enable) { |
|
253 | if(enable) { | |
254 | QObject::connect(this,SIGNAL(rangeChanged(qreal,qreal)),this,SLOT(applyNiceNumbers())); |
|
254 | QObject::connect(this,SIGNAL(rangeChanged(qreal,qreal)),this,SLOT(applyNiceNumbers())); | |
255 | QObject::connect(this,SIGNAL(tickCountChanged(int)),this,SLOT(applyNiceNumbers())); |
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255 | QObject::connect(this,SIGNAL(tickCountChanged(int)),this,SLOT(applyNiceNumbers())); | |
256 | applyNiceNumbers(); |
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256 | applyNiceNumbers(); | |
257 | } |
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257 | } | |
258 | else { |
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258 | else { | |
259 | QObject::disconnect(this,SIGNAL(rangeChanged(qreal,qreal)),this,SLOT(applyNiceNumbers())); |
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259 | QObject::disconnect(this,SIGNAL(rangeChanged(qreal,qreal)),this,SLOT(applyNiceNumbers())); | |
260 | QObject::disconnect(this,SIGNAL(tickCountChanged(int)),this,SLOT(applyNiceNumbers())); |
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260 | QObject::disconnect(this,SIGNAL(tickCountChanged(int)),this,SLOT(applyNiceNumbers())); | |
261 | } |
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261 | } | |
262 | d->m_niceNumbersEnabled=enable; |
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262 | d->m_niceNumbersEnabled=enable; | |
263 | } |
|
263 | } | |
264 |
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264 | |||
265 | bool QValueAxis::niceNumbersEnabled() const |
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265 | bool QValueAxis::niceNumbersEnabled() const | |
266 | { |
|
266 | { | |
267 | Q_D(const QValueAxis); |
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267 | Q_D(const QValueAxis); | |
268 | qWarning() << "Deprecated; Using this function can lead to unexpected behavior. " \ |
|
268 | qWarning() << "Deprecated; Using this function can lead to unexpected behavior. " \ | |
269 | "Use applyNiceNumbers() instead."; |
|
269 | "Use applyNiceNumbers() instead."; | |
270 | return d->m_niceNumbersEnabled; |
|
270 | return d->m_niceNumbersEnabled; | |
271 | } |
|
271 | } | |
272 |
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272 | |||
273 | void QValueAxis::setLabelFormat(const QString &format) |
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273 | void QValueAxis::setLabelFormat(const QString &format) | |
274 | { |
|
274 | { | |
275 | Q_D(QValueAxis); |
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275 | Q_D(QValueAxis); | |
276 | d->m_format = format; |
|
276 | d->m_format = format; | |
277 | emit labelFormatChanged(format); |
|
277 | emit labelFormatChanged(format); | |
278 | } |
|
278 | } | |
279 |
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279 | |||
280 | QString QValueAxis::labelFormat() const |
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280 | QString QValueAxis::labelFormat() const | |
281 | { |
|
281 | { | |
282 | Q_D(const QValueAxis); |
|
282 | Q_D(const QValueAxis); | |
283 | return d->m_format; |
|
283 | return d->m_format; | |
284 | } |
|
284 | } | |
285 |
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285 | |||
286 | /*! |
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286 | /*! | |
287 | Returns the type of the axis |
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287 | Returns the type of the axis | |
288 | */ |
|
288 | */ | |
289 | QAbstractAxis::AxisType QValueAxis::type() const |
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289 | QAbstractAxis::AxisType QValueAxis::type() const | |
290 | { |
|
290 | { | |
291 | return AxisTypeValue; |
|
291 | return AxisTypeValue; | |
292 | } |
|
292 | } | |
293 |
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293 | |||
294 | /*! |
|
294 | /*! | |
295 | This method modifies range and number of ticks on the axis to look "nice". Algorithm considers numbers that |
|
295 | This method modifies range and number of ticks on the axis to look "nice". Algorithm considers numbers that | |
296 | can be expressed as form of 1*10^n, 2* 10^n or 5*10^n as a nice numbers. These numbers are used for spacing the ticks. |
|
296 | can be expressed as form of 1*10^n, 2* 10^n or 5*10^n as a nice numbers. These numbers are used for spacing the ticks. | |
297 | This method will modify the current range and number of ticks. |
|
297 | This method will modify the current range and number of ticks. | |
298 | \sa setRange(), setTickCount() |
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298 | \sa setRange(), setTickCount() | |
299 | */ |
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299 | */ | |
300 | void QValueAxis::applyNiceNumbers() |
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300 | void QValueAxis::applyNiceNumbers() | |
301 | { |
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301 | { | |
302 | Q_D(QValueAxis); |
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302 | Q_D(QValueAxis); | |
303 | if(d->m_applying) return; |
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303 | if(d->m_applying) return; | |
304 | qreal min = d->m_min; |
|
304 | qreal min = d->m_min; | |
305 | qreal max = d->m_max; |
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305 | qreal max = d->m_max; | |
306 | int ticks = d->m_tickCount; |
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306 | int ticks = d->m_tickCount; | |
307 | AbstractDomain::looseNiceNumbers(min,max,ticks); |
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307 | AbstractDomain::looseNiceNumbers(min,max,ticks); | |
308 | d->m_applying=true; |
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308 | d->m_applying=true; | |
309 | d->setRange(min,max); |
|
309 | d->setRange(min,max); | |
310 | setTickCount(ticks); |
|
310 | setTickCount(ticks); | |
311 | d->m_applying=false; |
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311 | d->m_applying=false; | |
312 | } |
|
312 | } | |
313 |
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313 | |||
314 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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314 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | |
315 |
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315 | |||
316 | QValueAxisPrivate::QValueAxisPrivate(QValueAxis *q) |
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316 | QValueAxisPrivate::QValueAxisPrivate(QValueAxis *q) | |
317 | : QAbstractAxisPrivate(q), |
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317 | : QAbstractAxisPrivate(q), | |
318 | m_min(0), |
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318 | m_min(0), | |
319 | m_max(0), |
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319 | m_max(0), | |
320 | m_tickCount(5), |
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320 | m_tickCount(5), | |
321 | m_format(QString::null), |
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321 | m_format(QString::null), | |
322 | m_applying(false), |
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322 | m_applying(false), | |
323 | m_niceNumbersEnabled(false) |
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323 | m_niceNumbersEnabled(false) | |
324 | { |
|
324 | { | |
325 |
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325 | |||
326 | } |
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326 | } | |
327 |
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327 | |||
328 | QValueAxisPrivate::~QValueAxisPrivate() |
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328 | QValueAxisPrivate::~QValueAxisPrivate() | |
329 | { |
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329 | { | |
330 |
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330 | |||
331 | } |
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331 | } | |
332 |
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332 | |||
333 | void QValueAxisPrivate::setMin(const QVariant &min) |
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333 | void QValueAxisPrivate::setMin(const QVariant &min) | |
334 | { |
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334 | { | |
335 | Q_Q(QValueAxis); |
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335 | Q_Q(QValueAxis); | |
336 | bool ok; |
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336 | bool ok; | |
337 | qreal value = min.toReal(&ok); |
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337 | qreal value = min.toReal(&ok); | |
338 | if (ok) |
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338 | if (ok) | |
339 | q->setMin(value); |
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339 | q->setMin(value); | |
340 | } |
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340 | } | |
341 |
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341 | |||
342 | void QValueAxisPrivate::setMax(const QVariant &max) |
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342 | void QValueAxisPrivate::setMax(const QVariant &max) | |
343 | { |
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343 | { | |
344 | Q_Q(QValueAxis); |
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344 | Q_Q(QValueAxis); | |
345 | bool ok; |
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345 | bool ok; | |
346 | qreal value = max.toReal(&ok); |
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346 | qreal value = max.toReal(&ok); | |
347 | if (ok) |
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347 | if (ok) | |
348 | q->setMax(value); |
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348 | q->setMax(value); | |
349 | } |
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349 | } | |
350 |
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350 | |||
351 | void QValueAxisPrivate::setRange(const QVariant &min, const QVariant &max) |
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351 | void QValueAxisPrivate::setRange(const QVariant &min, const QVariant &max) | |
352 | { |
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352 | { | |
353 | Q_Q(QValueAxis); |
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353 | Q_Q(QValueAxis); | |
354 | bool ok1; |
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354 | bool ok1; | |
355 | bool ok2; |
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355 | bool ok2; | |
356 | qreal value1 = min.toReal(&ok1); |
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356 | qreal value1 = min.toReal(&ok1); | |
357 | qreal value2 = max.toReal(&ok2); |
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357 | qreal value2 = max.toReal(&ok2); | |
358 | if (ok1 && ok2) |
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358 | if (ok1 && ok2) | |
359 | q->setRange(value1, value2); |
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359 | q->setRange(value1, value2); | |
360 | } |
|
360 | } | |
361 |
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361 | |||
362 | void QValueAxisPrivate::setRange(qreal min, qreal max) |
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362 | void QValueAxisPrivate::setRange(qreal min, qreal max) | |
363 | { |
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363 | { | |
364 | Q_Q(QValueAxis); |
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364 | Q_Q(QValueAxis); | |
365 | bool changed = false; |
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365 | bool changed = false; | |
366 |
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366 | |||
367 | if (min > max) |
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367 | if (min > max) | |
368 | return; |
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368 | return; | |
369 |
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369 | |||
370 | if (!qFuzzyCompare(m_min,min)) { |
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370 | bool changeMin = false; | |
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371 | if (m_min == 0 || min == 0) | |||
|
372 | changeMin = !qFuzzyCompare(1 + m_min, 1 + min); | |||
|
373 | else | |||
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374 | changeMin = !qFuzzyCompare(m_min, min); | |||
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375 | ||||
|
376 | bool changeMax = false; | |||
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377 | if (m_max == 0 || max == 0) | |||
|
378 | changeMax = !qFuzzyCompare(1 + m_max, 1 + max); | |||
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379 | else | |||
|
380 | changeMax = !qFuzzyCompare(m_max, max); | |||
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381 | ||||
|
382 | if (changeMin) { | |||
371 | m_min = min; |
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383 | m_min = min; | |
372 | changed = true; |
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384 | changed = true; | |
373 | emit q->minChanged(min); |
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385 | emit q->minChanged(min); | |
374 | } |
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386 | } | |
375 |
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387 | |||
376 | if (!qFuzzyCompare(m_max,max)) { |
|
388 | if (changeMax) { | |
377 | m_max = max; |
|
389 | m_max = max; | |
378 | changed = true; |
|
390 | changed = true; | |
379 | emit q->maxChanged(max); |
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391 | emit q->maxChanged(max); | |
380 | } |
|
392 | } | |
381 |
|
393 | |||
382 | if (changed) { |
|
394 | if (changed) { | |
383 | emit rangeChanged(min,max); |
|
395 | emit rangeChanged(min,max); | |
384 | emit q->rangeChanged(min, max); |
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396 | emit q->rangeChanged(min, max); | |
385 | } |
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397 | } | |
386 | } |
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398 | } | |
387 |
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399 | |||
388 | void QValueAxisPrivate::initializeGraphics(QGraphicsItem *parent) |
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400 | void QValueAxisPrivate::initializeGraphics(QGraphicsItem *parent) | |
389 | { |
|
401 | { | |
390 | Q_Q(QValueAxis); |
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402 | Q_Q(QValueAxis); | |
391 | ChartAxisElement *axis(0); |
|
403 | ChartAxisElement *axis(0); | |
392 |
|
404 | |||
393 | if (m_chart->chartType() == QChart::ChartTypeCartesian) { |
|
405 | if (m_chart->chartType() == QChart::ChartTypeCartesian) { | |
394 | if (orientation() == Qt::Vertical) |
|
406 | if (orientation() == Qt::Vertical) | |
395 | axis = new ChartValueAxisY(q,parent); |
|
407 | axis = new ChartValueAxisY(q,parent); | |
396 | if (orientation() == Qt::Horizontal) |
|
408 | if (orientation() == Qt::Horizontal) | |
397 | axis = new ChartValueAxisX(q,parent); |
|
409 | axis = new ChartValueAxisX(q,parent); | |
398 | } |
|
410 | } | |
399 |
|
411 | |||
400 | if (m_chart->chartType() == QChart::ChartTypePolar) { |
|
412 | if (m_chart->chartType() == QChart::ChartTypePolar) { | |
401 | if (orientation() == Qt::Vertical) |
|
413 | if (orientation() == Qt::Vertical) | |
402 | axis = new PolarChartValueAxisRadial(q, parent); |
|
414 | axis = new PolarChartValueAxisRadial(q, parent); | |
403 | if (orientation() == Qt::Horizontal) |
|
415 | if (orientation() == Qt::Horizontal) | |
404 | axis = new PolarChartValueAxisAngular(q, parent); |
|
416 | axis = new PolarChartValueAxisAngular(q, parent); | |
405 | } |
|
417 | } | |
406 |
|
418 | |||
407 | m_item.reset(axis); |
|
419 | m_item.reset(axis); | |
408 | QAbstractAxisPrivate::initializeGraphics(parent); |
|
420 | QAbstractAxisPrivate::initializeGraphics(parent); | |
409 | } |
|
421 | } | |
410 |
|
422 | |||
411 |
|
423 | |||
412 | void QValueAxisPrivate::initializeDomain(AbstractDomain *domain) |
|
424 | void QValueAxisPrivate::initializeDomain(AbstractDomain *domain) | |
413 | { |
|
425 | { | |
414 | if (orientation() == Qt::Vertical) { |
|
426 | if (orientation() == Qt::Vertical) { | |
415 | if (!qFuzzyIsNull(m_max - m_min)) |
|
427 | if (!qFuzzyIsNull(m_max - m_min)) | |
416 | domain->setRangeY(m_min, m_max); |
|
428 | domain->setRangeY(m_min, m_max); | |
417 | else |
|
429 | else | |
418 | setRange(domain->minY(), domain->maxY()); |
|
430 | setRange(domain->minY(), domain->maxY()); | |
419 | } |
|
431 | } | |
420 | if (orientation() == Qt::Horizontal) { |
|
432 | if (orientation() == Qt::Horizontal) { | |
421 | if (!qFuzzyIsNull(m_max - m_min)) |
|
433 | if (!qFuzzyIsNull(m_max - m_min)) | |
422 | domain->setRangeX(m_min, m_max); |
|
434 | domain->setRangeX(m_min, m_max); | |
423 | else |
|
435 | else | |
424 | setRange(domain->minX(), domain->maxX()); |
|
436 | setRange(domain->minX(), domain->maxX()); | |
425 | } |
|
437 | } | |
426 | } |
|
438 | } | |
427 |
|
439 | |||
428 | #include "moc_qvalueaxis.cpp" |
|
440 | #include "moc_qvalueaxis.cpp" | |
429 | #include "moc_qvalueaxis_p.cpp" |
|
441 | #include "moc_qvalueaxis_p.cpp" | |
430 |
|
442 | |||
431 | QTCOMMERCIALCHART_END_NAMESPACE |
|
443 | QTCOMMERCIALCHART_END_NAMESPACE |
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