@@ -1,324 +1,325 | |||
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1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #include "qlogvalueaxis.h" |
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22 | 22 | #include "qlogvalueaxis_p.h" |
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23 | 23 | #include "chartlogvalueaxisx_p.h" |
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24 | 24 | #include "chartlogvalueaxisy_p.h" |
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25 | 25 | #include "abstractdomain_p.h" |
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26 | 26 | #include <float.h> |
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27 | 27 | #include <cmath> |
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28 | 28 | |
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29 | 29 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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30 | 30 | /*! |
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31 | 31 | \class QLogValueAxis |
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32 | 32 | \brief The QLogValueAxis class is used for manipulating chart's axis. |
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33 | 33 | \mainclass |
|
34 | 34 | */ |
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35 | 35 | |
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36 | 36 | /*! |
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37 | 37 | \qmlclass DateTimeAxis QLogValueAxis |
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38 | 38 | \brief The DateTimeAxis element is used for manipulating chart's axes |
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39 | 39 | \inherits AbstractAxis |
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40 | 40 | */ |
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41 | 41 | |
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42 | 42 | /*! |
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43 | 43 | \property QLogValueAxis::min |
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44 | 44 | Defines the minimum value on the axis. |
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45 | 45 | When setting this property the max is adjusted if necessary, to ensure that the range remains valid. |
|
46 | 46 | */ |
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47 | 47 | /*! |
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48 | 48 | \qmlproperty real ValuesAxis::min |
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49 | 49 | Defines the minimum value on the axis. |
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50 | 50 | When setting this property the max is adjusted if necessary, to ensure that the range remains valid. |
|
51 | 51 | */ |
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52 | 52 | |
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53 | 53 | /*! |
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54 | 54 | \property QLogValueAxis::max |
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55 | 55 | Defines the maximum value on the axis. |
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56 | 56 | When setting this property the min is adjusted if necessary, to ensure that the range remains valid. |
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57 | 57 | */ |
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58 | 58 | /*! |
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59 | 59 | \qmlproperty real ValuesAxis::max |
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60 | 60 | Defines the maximum value on the axis. |
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61 | 61 | When setting this property the min is adjusted if necessary, to ensure that the range remains valid. |
|
62 | 62 | */ |
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63 | 63 | |
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64 | 64 | /*! |
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65 | 65 | \fn void QLogValueAxis::minChanged(qreal min) |
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66 | 66 | Axis emits signal when \a min of axis has changed. |
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67 | 67 | */ |
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68 | 68 | /*! |
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69 | 69 | \qmlsignal ValuesAxis::onMinChanged(qreal min) |
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70 | 70 | Axis emits signal when \a min of axis has changed. |
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71 | 71 | */ |
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72 | 72 | |
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73 | 73 | /*! |
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74 | 74 | \fn void QLogValueAxis::maxChanged(qreal max) |
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75 | 75 | Axis emits signal when \a max of axis has changed. |
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76 | 76 | */ |
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77 | 77 | /*! |
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78 | 78 | \qmlsignal ValuesAxis::onMaxChanged(qreal max) |
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79 | 79 | Axis emits signal when \a max of axis has changed. |
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80 | 80 | */ |
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81 | 81 | |
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82 | 82 | /*! |
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83 | 83 | \fn void QLogValueAxis::rangeChanged(qreal min, qreal max) |
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84 | 84 | Axis emits signal when \a min or \a max of axis has changed. |
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85 | 85 | */ |
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86 | 86 | |
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87 | 87 | /*! |
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88 | 88 | Constructs an axis object which is a child of \a parent. |
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89 | 89 | */ |
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90 | 90 | QLogValueAxis::QLogValueAxis(QObject *parent) : |
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91 | 91 | QAbstractAxis(*new QLogValueAxisPrivate(this), parent) |
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92 | 92 | { |
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93 | 93 | |
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94 | 94 | } |
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95 | 95 | |
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96 | 96 | /*! |
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97 | 97 | \internal |
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98 | 98 | */ |
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99 | 99 | QLogValueAxis::QLogValueAxis(QLogValueAxisPrivate &d, QObject *parent) : QAbstractAxis(d, parent) |
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100 | 100 | { |
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101 | 101 | |
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102 | 102 | } |
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103 | 103 | |
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104 | 104 | /*! |
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105 | 105 | Destroys the object |
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106 | 106 | */ |
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107 | 107 | QLogValueAxis::~QLogValueAxis() |
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108 | 108 | { |
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109 | 109 | Q_D(QLogValueAxis); |
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110 | 110 | if (d->m_chart) |
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111 | 111 | d->m_chart->removeAxis(this); |
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112 | 112 | } |
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113 | 113 | |
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114 | 114 | void QLogValueAxis::setMin(qreal min) |
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115 | 115 | { |
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116 | 116 | Q_D(QLogValueAxis); |
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117 | 117 | setRange(min, qMax(d->m_max, min)); |
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118 | 118 | } |
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119 | 119 | |
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120 | 120 | qreal QLogValueAxis::min() const |
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121 | 121 | { |
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122 | 122 | Q_D(const QLogValueAxis); |
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123 | 123 | return d->m_min; |
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124 | 124 | } |
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125 | 125 | |
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126 | 126 | void QLogValueAxis::setMax(qreal max) |
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127 | 127 | { |
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128 | 128 | Q_D(QLogValueAxis); |
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129 | 129 | setRange(qMin(d->m_min, max), max); |
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130 | 130 | } |
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131 | 131 | |
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132 | 132 | qreal QLogValueAxis::max() const |
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133 | 133 | { |
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134 | 134 | Q_D(const QLogValueAxis); |
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135 | 135 | return d->m_max; |
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136 | 136 | } |
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137 | 137 | |
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138 | 138 | /*! |
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139 | 139 | Sets range from \a min to \a max on the axis. |
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140 | 140 | If min is greater than max then this function returns without making any changes. |
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141 | 141 | */ |
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142 | 142 | void QLogValueAxis::setRange(qreal min, qreal max) |
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143 | 143 | { |
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144 | 144 | Q_D(QLogValueAxis); |
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145 | 145 | bool changed = false; |
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146 | 146 | |
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147 | 147 | if (min > max) |
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148 | 148 | return; |
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149 | 149 | |
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150 | 150 | if (min > 0) { |
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151 | 151 | if (!qFuzzyCompare(d->m_min, min)) { |
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152 | 152 | d->m_min = min; |
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153 | 153 | changed = true; |
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154 | 154 | emit minChanged(min); |
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155 | 155 | } |
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156 | 156 | |
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157 | 157 | if (!qFuzzyCompare(d->m_max, max)) { |
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158 | 158 | d->m_max = max; |
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159 | 159 | changed = true; |
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160 | 160 | emit maxChanged(max); |
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161 | 161 | } |
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162 | 162 | |
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163 | 163 | if (changed) { |
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164 | 164 | emit rangeChanged(min, max); |
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165 | 165 | emit d->rangeChanged(min,max); |
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166 | 166 | } |
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167 | 167 | } |
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168 | 168 | } |
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169 | 169 | |
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170 | 170 | void QLogValueAxis::setLabelFormat(const QString &format) |
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171 | 171 | { |
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172 | 172 | Q_D(QLogValueAxis); |
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173 | 173 | d->m_format = format; |
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174 | emit labelFormatChanged(format); | |
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174 | 175 | } |
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175 | 176 | |
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176 | 177 | QString QLogValueAxis::labelFormat() const |
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177 | 178 | { |
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178 | 179 | Q_D(const QLogValueAxis); |
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179 | 180 | return d->m_format; |
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180 | 181 | } |
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181 | 182 | |
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182 | 183 | void QLogValueAxis::setBase(qreal base) |
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183 | 184 | { |
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184 | 185 | // check if base is correct |
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185 | 186 | if (qFuzzyCompare(base, 1)) |
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186 | 187 | return; |
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187 | 188 | |
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188 | 189 | if (base > 0) { |
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189 | 190 | Q_D(QLogValueAxis); |
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190 | 191 | d->m_base = base; |
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191 | 192 | emit baseChanged(base); |
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192 | 193 | } |
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193 | 194 | } |
|
194 | 195 | |
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195 | 196 | qreal QLogValueAxis::base() const |
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196 | 197 | { |
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197 | 198 | Q_D(const QLogValueAxis); |
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198 | 199 | return d->m_base; |
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199 | 200 | } |
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200 | 201 | |
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201 | 202 | /*! |
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202 | 203 | Returns the type of the axis |
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203 | 204 | */ |
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204 | 205 | QAbstractAxis::AxisType QLogValueAxis::type() const |
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205 | 206 | { |
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206 | 207 | return AxisTypeLogValue; |
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207 | 208 | } |
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208 | 209 | |
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209 | 210 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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210 | 211 | |
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211 | 212 | QLogValueAxisPrivate::QLogValueAxisPrivate(QLogValueAxis *q) |
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212 | 213 | : QAbstractAxisPrivate(q), |
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213 | 214 | m_min(1), |
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214 | 215 | m_max(1), |
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215 | 216 | m_base(10), |
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216 | 217 | m_format(QString::null) |
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217 | 218 | { |
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218 | 219 | } |
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219 | 220 | |
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220 | 221 | QLogValueAxisPrivate::~QLogValueAxisPrivate() |
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221 | 222 | { |
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222 | 223 | |
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223 | 224 | } |
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224 | 225 | |
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225 | 226 | void QLogValueAxisPrivate::setMin(const QVariant &min) |
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226 | 227 | { |
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227 | 228 | Q_Q(QLogValueAxis); |
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228 | 229 | bool ok; |
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229 | 230 | qreal value = min.toReal(&ok); |
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230 | 231 | if (ok) |
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231 | 232 | q->setMin(value); |
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232 | 233 | } |
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233 | 234 | |
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234 | 235 | void QLogValueAxisPrivate::setMax(const QVariant &max) |
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235 | 236 | { |
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236 | 237 | |
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237 | 238 | Q_Q(QLogValueAxis); |
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238 | 239 | bool ok; |
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239 | 240 | qreal value = max.toReal(&ok); |
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240 | 241 | if (ok) |
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241 | 242 | q->setMax(value); |
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242 | 243 | } |
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243 | 244 | |
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244 | 245 | void QLogValueAxisPrivate::setRange(const QVariant &min, const QVariant &max) |
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245 | 246 | { |
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246 | 247 | Q_Q(QLogValueAxis); |
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247 | 248 | bool ok1; |
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248 | 249 | bool ok2; |
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249 | 250 | qreal value1 = min.toReal(&ok1); |
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250 | 251 | qreal value2 = max.toReal(&ok2); |
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251 | 252 | if (ok1 && ok2) |
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252 | 253 | q->setRange(value1, value2); |
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253 | 254 | } |
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254 | 255 | |
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255 | 256 | void QLogValueAxisPrivate::setRange(qreal min, qreal max) |
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256 | 257 | { |
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257 | 258 | Q_Q(QLogValueAxis); |
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258 | 259 | bool changed = false; |
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259 | 260 | |
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260 | 261 | if (min > max) |
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261 | 262 | return; |
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262 | 263 | |
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263 | 264 | if (min > 0) { |
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264 | 265 | if (!qFuzzyCompare(m_min, min)) { |
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265 | 266 | m_min = min; |
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266 | 267 | changed = true; |
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267 | 268 | emit q->minChanged(min); |
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268 | 269 | } |
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269 | 270 | |
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270 | 271 | if (!qFuzzyCompare(m_max, max)) { |
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271 | 272 | m_max = max; |
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272 | 273 | changed = true; |
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273 | 274 | emit q->maxChanged(max); |
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274 | 275 | } |
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275 | 276 | |
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276 | 277 | if (changed) { |
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277 | 278 | emit q->rangeChanged(min, max); |
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278 | 279 | emit rangeChanged(min,max); |
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279 | 280 | } |
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280 | 281 | } |
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281 | 282 | } |
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282 | 283 | |
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283 | 284 | void QLogValueAxisPrivate::initializeGraphics(QGraphicsItem* parent) |
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284 | 285 | { |
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285 | 286 | Q_Q(QLogValueAxis); |
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286 | 287 | ChartAxis* axis(0); |
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287 | 288 | if (orientation() == Qt::Vertical) |
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288 | 289 | axis = new ChartLogValueAxisY(q,parent); |
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289 | 290 | if (orientation() == Qt::Horizontal) |
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290 | 291 | axis = new ChartLogValueAxisX(q,parent); |
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291 | 292 | |
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292 | 293 | m_item.reset(axis); |
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293 | 294 | QAbstractAxisPrivate::initializeGraphics(parent); |
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294 | 295 | } |
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295 | 296 | |
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296 | 297 | |
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297 | 298 | void QLogValueAxisPrivate::initializeDomain(AbstractDomain *domain) |
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298 | 299 | { |
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299 | 300 | if (orientation() == Qt::Vertical) { |
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300 | 301 | if(!qFuzzyCompare(m_max, m_min)) { |
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301 | 302 | domain->setRangeY(m_min, m_max); |
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302 | 303 | } |
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303 | 304 | else if ( domain->minY() > 0) { |
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304 | 305 | setRange(domain->minY(), domain->maxY()); |
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305 | 306 | } else { |
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306 | 307 | domain->setRangeY(m_min, domain->maxY()); |
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307 | 308 | } |
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308 | 309 | } |
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309 | 310 | if (orientation() == Qt::Horizontal) { |
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310 | 311 | if(!qFuzzyCompare(m_max, m_min)) { |
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311 | 312 | domain->setRangeX(m_min, m_max); |
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312 | 313 | } |
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313 | 314 | else if (domain->minX() > 0){ |
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314 | 315 | setRange(domain->minX(), domain->maxX()); |
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315 | 316 | } else { |
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316 | 317 | domain->setRangeX(m_min, domain->maxX()); |
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317 | 318 | } |
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318 | 319 | } |
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319 | 320 | } |
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320 | 321 | |
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321 | 322 | #include "moc_qlogvalueaxis.cpp" |
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322 | 323 | #include "moc_qlogvalueaxis_p.cpp" |
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323 | 324 | |
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324 | 325 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,75 +1,77 | |||
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1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
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21 | 21 | #ifndef QLOGVALUEAXIS_H |
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22 | 22 | #define QLOGVALUEAXIS_H |
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23 | 23 | |
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24 | 24 | #include "qabstractaxis.h" |
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25 | 25 | |
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26 | 26 | class QDateTime; |
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27 | 27 | |
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28 | 28 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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29 | 29 | |
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30 | 30 | class QLogValueAxisPrivate; |
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31 | 31 | |
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32 | 32 | class QTCOMMERCIALCHART_EXPORT QLogValueAxis : public QAbstractAxis |
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33 | 33 | { |
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34 | 34 | Q_OBJECT |
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35 | 35 | Q_PROPERTY(qreal min READ min WRITE setMin NOTIFY minChanged) |
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36 | 36 | Q_PROPERTY(qreal max READ max WRITE setMax NOTIFY maxChanged) |
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37 | Q_PROPERTY(QString labelFormat READ labelFormat WRITE setLabelFormat) | |
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37 | Q_PROPERTY(QString labelFormat READ labelFormat WRITE setLabelFormat NOTIFY labelFormatChanged) | |
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38 | Q_PROPERTY(qreal base READ base WRITE setBase NOTIFY baseChanged) | |
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38 | 39 | |
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39 | 40 | public: |
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40 | 41 | explicit QLogValueAxis(QObject *parent = 0); |
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41 | 42 | ~QLogValueAxis(); |
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42 | 43 | |
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43 | 44 | protected: |
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44 | 45 | QLogValueAxis(QLogValueAxisPrivate &d, QObject *parent = 0); |
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45 | 46 | |
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46 | 47 | public: |
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47 | 48 | AxisType type() const; |
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48 | 49 | |
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49 | 50 | //range handling |
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50 | 51 | void setMin(qreal min); |
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51 | 52 | qreal min() const; |
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52 | 53 | void setMax(qreal max); |
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53 | 54 | qreal max() const; |
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54 | 55 | void setRange(qreal min, qreal max); |
|
55 | 56 | |
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56 | 57 | void setLabelFormat(const QString &format); |
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57 | 58 | QString labelFormat() const; |
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58 | 59 | |
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59 | 60 | void setBase(qreal base); |
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60 | 61 | qreal base() const; |
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61 | 62 | |
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62 | 63 | Q_SIGNALS: |
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63 | 64 | void minChanged(qreal min); |
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64 | 65 | void maxChanged(qreal max); |
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65 | 66 | void rangeChanged(qreal min, qreal max); |
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67 | void labelFormatChanged(const QString &format); | |
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66 | 68 | void baseChanged(qreal base); |
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67 | 69 | |
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68 | 70 | private: |
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69 | 71 | Q_DECLARE_PRIVATE(QLogValueAxis) |
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70 | 72 | Q_DISABLE_COPY(QLogValueAxis) |
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71 | 73 | }; |
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72 | 74 | |
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73 | 75 | QTCOMMERCIALCHART_END_NAMESPACE |
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74 | 76 | |
|
75 | 77 | #endif // QLOGVALUEAXIS_H |
@@ -1,409 +1,410 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #include "qvalueaxis.h" |
|
22 | 22 | #include "qvalueaxis_p.h" |
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23 | 23 | #include "chartvalueaxisx_p.h" |
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24 | 24 | #include "chartvalueaxisy_p.h" |
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25 | 25 | #include "abstractdomain_p.h" |
|
26 | 26 | #include "chartdataset_p.h" |
|
27 | 27 | #include "chartpresenter_p.h" |
|
28 | 28 | #include "charttheme_p.h" |
|
29 | 29 | |
|
30 | 30 | |
|
31 | 31 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
32 | 32 | /*! |
|
33 | 33 | \class QValueAxis |
|
34 | 34 | \brief The QValueAxis class is used for manipulating chart's axis. |
|
35 | 35 | \mainclass |
|
36 | 36 | |
|
37 | 37 | ValueAxis can be setup to show axis line with tick marks, grid lines and shades. |
|
38 | 38 | Values of axis are drawn to position of ticks. |
|
39 | 39 | |
|
40 | 40 | Example code on how to use QValueAxis. |
|
41 | 41 | \code |
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42 | 42 | QChartView *chartView = new QChartView; |
|
43 | 43 | QLineSeries *series = new QLineSeries; |
|
44 | 44 | // ... |
|
45 | 45 | chartView->chart()->addSeries(series); |
|
46 | 46 | |
|
47 | 47 | QValueAxis *axisX = new QValueAxis; |
|
48 | 48 | axisX->setRange(10, 20.5); |
|
49 | 49 | axisX->setTickCount(10); |
|
50 | 50 | axisX->setLabelFormat("%.2f"); |
|
51 | 51 | chartView->chart()->setAxisX(axisX, series); |
|
52 | 52 | \endcode |
|
53 | 53 | */ |
|
54 | 54 | |
|
55 | 55 | /*! |
|
56 | 56 | \qmlclass ValueAxis QValueAxis |
|
57 | 57 | \inherits AbstractAxis |
|
58 | 58 | \brief The ValueAxis element is used for manipulating chart's axes |
|
59 | 59 | |
|
60 | 60 | ValueAxis can be setup to show axis line with tick marks, grid lines and shades. |
|
61 | 61 | Values of axis are drawn to position of ticks |
|
62 | 62 | |
|
63 | 63 | To access Axes you can use ChartView API. For example: |
|
64 | 64 | \code |
|
65 | 65 | ChartView { |
|
66 | 66 | ValueAxis { |
|
67 | 67 | id: xAxis |
|
68 | 68 | min: 0 |
|
69 | 69 | max: 10 |
|
70 | 70 | } |
|
71 | 71 | // Add a few series... |
|
72 | 72 | } |
|
73 | 73 | \endcode |
|
74 | 74 | */ |
|
75 | 75 | |
|
76 | 76 | /*! |
|
77 | 77 | \property QValueAxis::min |
|
78 | 78 | Defines the minimum value on the axis. |
|
79 | 79 | When setting this property the max is adjusted if necessary, to ensure that the range remains valid. |
|
80 | 80 | */ |
|
81 | 81 | /*! |
|
82 | 82 | \qmlproperty real ValueAxis::min |
|
83 | 83 | Defines the minimum value on the axis. |
|
84 | 84 | When setting this property the max is adjusted if necessary, to ensure that the range remains valid. |
|
85 | 85 | */ |
|
86 | 86 | |
|
87 | 87 | /*! |
|
88 | 88 | \property QValueAxis::max |
|
89 | 89 | Defines the maximum value on the axis. |
|
90 | 90 | When setting this property the min is adjusted if necessary, to ensure that the range remains valid. |
|
91 | 91 | */ |
|
92 | 92 | /*! |
|
93 | 93 | \qmlproperty real ValueAxis::max |
|
94 | 94 | Defines the maximum value on the axis. |
|
95 | 95 | When setting this property the min is adjusted if necessary, to ensure that the range remains valid. |
|
96 | 96 | */ |
|
97 | 97 | |
|
98 | 98 | /*! |
|
99 | 99 | \property QValueAxis::tickCount |
|
100 | 100 | Defines the number of ticks on the axis. This indicates how many grid lines are draw on the chart. |
|
101 | 101 | The default value is 5, and it can not be below 2. |
|
102 | 102 | */ |
|
103 | 103 | /*! |
|
104 | 104 | \qmlproperty real ValueAxis::tickCount |
|
105 | 105 | Defines the number of ticks on the axis. This indicates how many grid lines are draw on the chart. |
|
106 | 106 | The default value is 5, and it can not be below 2. |
|
107 | 107 | */ |
|
108 | 108 | |
|
109 | 109 | /*! |
|
110 | 110 | \property QValueAxis::labelFormat |
|
111 | 111 | Defines the label format for the axis. |
|
112 | 112 | Supported specifiers are: d, i, o, x, X, f, F, e, E, g, G, c |
|
113 | 113 | See QString::sprintf() for additional details. |
|
114 | 114 | */ |
|
115 | 115 | /*! |
|
116 | 116 | \qmlproperty real ValueAxis::labelFormat |
|
117 | 117 | Defines the label format for the axis. |
|
118 | 118 | Supported specifiers are: d, i, o, x, X, f, F, e, E, g, G, c |
|
119 | 119 | See QString::sprintf() for additional details. |
|
120 | 120 | */ |
|
121 | 121 | |
|
122 | 122 | /*! |
|
123 | 123 | \fn void QValueAxis::minChanged(qreal min) |
|
124 | 124 | Axis emits signal when \a min of axis has changed. |
|
125 | 125 | */ |
|
126 | 126 | /*! |
|
127 | 127 | \qmlsignal ValueAxis::onMinChanged(real min) |
|
128 | 128 | Axis emits signal when \a min of axis has changed. |
|
129 | 129 | */ |
|
130 | 130 | |
|
131 | 131 | /*! |
|
132 | 132 | \fn void QValueAxis::maxChanged(qreal max) |
|
133 | 133 | Axis emits signal when \a max of axis has changed. |
|
134 | 134 | */ |
|
135 | 135 | /*! |
|
136 | 136 | \qmlsignal ValueAxis::onMaxChanged(real max) |
|
137 | 137 | Axis emits signal when \a max of axis has changed. |
|
138 | 138 | */ |
|
139 | 139 | |
|
140 | 140 | /*! |
|
141 | 141 | \fn void QValueAxis::tickCountChanged(int tickCount) |
|
142 | 142 | Axis emits signal when number of ticks on axis have changed. |
|
143 | 143 | */ |
|
144 | 144 | /*! |
|
145 | 145 | \qmlsignal ValueAxis::tickCountChanged(int tickCount) |
|
146 | 146 | Axis emits signal when number of ticks on axis have changed. |
|
147 | 147 | */ |
|
148 | 148 | |
|
149 | 149 | /*! |
|
150 | 150 | \fn void QValueAxis::rangeChanged(qreal min, qreal max) |
|
151 | 151 | Axis emits signal when \a min or \a max of axis has changed. |
|
152 | 152 | */ |
|
153 | 153 | |
|
154 | 154 | /*! |
|
155 | 155 | \property QValueAxis::niceNumbersEnabled |
|
156 | 156 | Whether the nice numbers algorithm is enabled or not for the axis. |
|
157 | 157 | */ |
|
158 | 158 | |
|
159 | 159 | /*! |
|
160 | 160 | \qmlproperty bool ValueAxis::niceNumbersEnabled |
|
161 | 161 | Whether the nice numbers algorithm is enabled or not for the axis. |
|
162 | 162 | */ |
|
163 | 163 | |
|
164 | 164 | /*! |
|
165 | 165 | Constructs an axis object which is a child of \a parent. |
|
166 | 166 | */ |
|
167 | 167 | QValueAxis::QValueAxis(QObject *parent) : |
|
168 | 168 | QAbstractAxis(*new QValueAxisPrivate(this), parent) |
|
169 | 169 | { |
|
170 | 170 | |
|
171 | 171 | } |
|
172 | 172 | |
|
173 | 173 | /*! |
|
174 | 174 | \internal |
|
175 | 175 | */ |
|
176 | 176 | QValueAxis::QValueAxis(QValueAxisPrivate &d, QObject *parent) |
|
177 | 177 | : QAbstractAxis(d, parent) |
|
178 | 178 | { |
|
179 | 179 | |
|
180 | 180 | } |
|
181 | 181 | |
|
182 | 182 | /*! |
|
183 | 183 | Destroys the object |
|
184 | 184 | */ |
|
185 | 185 | QValueAxis::~QValueAxis() |
|
186 | 186 | { |
|
187 | 187 | Q_D(QValueAxis); |
|
188 | 188 | if (d->m_chart) |
|
189 | 189 | d->m_chart->removeAxis(this); |
|
190 | 190 | } |
|
191 | 191 | |
|
192 | 192 | void QValueAxis::setMin(qreal min) |
|
193 | 193 | { |
|
194 | 194 | Q_D(QValueAxis); |
|
195 | 195 | setRange(min, qMax(d->m_max, min)); |
|
196 | 196 | } |
|
197 | 197 | |
|
198 | 198 | qreal QValueAxis::min() const |
|
199 | 199 | { |
|
200 | 200 | Q_D(const QValueAxis); |
|
201 | 201 | return d->m_min; |
|
202 | 202 | } |
|
203 | 203 | |
|
204 | 204 | void QValueAxis::setMax(qreal max) |
|
205 | 205 | { |
|
206 | 206 | Q_D(QValueAxis); |
|
207 | 207 | setRange(qMin(d->m_min, max), max); |
|
208 | 208 | } |
|
209 | 209 | |
|
210 | 210 | qreal QValueAxis::max() const |
|
211 | 211 | { |
|
212 | 212 | Q_D(const QValueAxis); |
|
213 | 213 | return d->m_max; |
|
214 | 214 | } |
|
215 | 215 | |
|
216 | 216 | /*! |
|
217 | 217 | Sets range from \a min to \a max on the axis. |
|
218 | 218 | If min is greater than max then this function returns without making any changes. |
|
219 | 219 | */ |
|
220 | 220 | void QValueAxis::setRange(qreal min, qreal max) |
|
221 | 221 | { |
|
222 | 222 | Q_D(QValueAxis); |
|
223 | 223 | d->setRange(min,max); |
|
224 | 224 | } |
|
225 | 225 | |
|
226 | 226 | void QValueAxis::setTickCount(int count) |
|
227 | 227 | { |
|
228 | 228 | Q_D(QValueAxis); |
|
229 | 229 | if (d->m_tickCount != count && count >= 2) { |
|
230 | 230 | d->m_tickCount = count; |
|
231 | 231 | emit tickCountChanged(count); |
|
232 | 232 | } |
|
233 | 233 | } |
|
234 | 234 | |
|
235 | 235 | int QValueAxis::tickCount() const |
|
236 | 236 | { |
|
237 | 237 | Q_D(const QValueAxis); |
|
238 | 238 | return d->m_tickCount; |
|
239 | 239 | } |
|
240 | 240 | |
|
241 | 241 | void QValueAxis::setNiceNumbersEnabled(bool enable) |
|
242 | 242 | { |
|
243 | 243 | Q_D(QValueAxis); |
|
244 | 244 | qWarning()<<"This function is depreciated, it can lead to unexpected behaviour.Use applyNiceNumbers(). "; |
|
245 | 245 | if(enable) { |
|
246 | 246 | QObject::connect(this,SIGNAL(rangeChanged(qreal,qreal)),this,SLOT(applyNiceNumbers())); |
|
247 | 247 | QObject::connect(this,SIGNAL(tickCountChanged(int)),this,SLOT(applyNiceNumbers())); |
|
248 | 248 | applyNiceNumbers(); |
|
249 | 249 | } |
|
250 | 250 | else { |
|
251 | 251 | QObject::disconnect(this,SIGNAL(rangeChanged(qreal,qreal)),this,SLOT(applyNiceNumbers())); |
|
252 | 252 | QObject::disconnect(this,SIGNAL(tickCountChanged(int)),this,SLOT(applyNiceNumbers())); |
|
253 | 253 | } |
|
254 | 254 | d->m_niceNumbersEnabled=enable; |
|
255 | 255 | } |
|
256 | 256 | |
|
257 | 257 | bool QValueAxis::niceNumbersEnabled() const |
|
258 | 258 | { |
|
259 | 259 | Q_D(const QValueAxis); |
|
260 | 260 | qWarning()<<"This function is depreciated.Use applyNiceNumbers()."; |
|
261 | 261 | return d->m_niceNumbersEnabled; |
|
262 | 262 | } |
|
263 | 263 | |
|
264 | 264 | void QValueAxis::setLabelFormat(const QString &format) |
|
265 | 265 | { |
|
266 | 266 | Q_D(QValueAxis); |
|
267 | 267 | d->m_format = format; |
|
268 | emit labelFormatChanged(format); | |
|
268 | 269 | } |
|
269 | 270 | |
|
270 | 271 | QString QValueAxis::labelFormat() const |
|
271 | 272 | { |
|
272 | 273 | Q_D(const QValueAxis); |
|
273 | 274 | return d->m_format; |
|
274 | 275 | } |
|
275 | 276 | |
|
276 | 277 | /*! |
|
277 | 278 | Returns the type of the axis |
|
278 | 279 | */ |
|
279 | 280 | QAbstractAxis::AxisType QValueAxis::type() const |
|
280 | 281 | { |
|
281 | 282 | return AxisTypeValue; |
|
282 | 283 | } |
|
283 | 284 | |
|
284 | 285 | void QValueAxis::applyNiceNumbers() |
|
285 | 286 | { |
|
286 | 287 | Q_D(QValueAxis); |
|
287 | 288 | if(d->m_applying) return; |
|
288 | 289 | qreal min = d->m_min; |
|
289 | 290 | qreal max = d->m_max; |
|
290 | 291 | int ticks = d->m_tickCount; |
|
291 | 292 | AbstractDomain::looseNiceNumbers(min,max,ticks); |
|
292 | 293 | d->m_applying=true; |
|
293 | 294 | d->setRange(min,max); |
|
294 | 295 | setTickCount(ticks); |
|
295 | 296 | d->m_applying=false; |
|
296 | 297 | } |
|
297 | 298 | |
|
298 | 299 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
|
299 | 300 | |
|
300 | 301 | QValueAxisPrivate::QValueAxisPrivate(QValueAxis *q) |
|
301 | 302 | : QAbstractAxisPrivate(q), |
|
302 | 303 | m_min(0), |
|
303 | 304 | m_max(0), |
|
304 | 305 | m_tickCount(5), |
|
305 | 306 | m_format(QString::null), |
|
306 | 307 | m_applying(false), |
|
307 | 308 | m_niceNumbersEnabled(false) |
|
308 | 309 | { |
|
309 | 310 | |
|
310 | 311 | } |
|
311 | 312 | |
|
312 | 313 | QValueAxisPrivate::~QValueAxisPrivate() |
|
313 | 314 | { |
|
314 | 315 | |
|
315 | 316 | } |
|
316 | 317 | |
|
317 | 318 | void QValueAxisPrivate::setMin(const QVariant &min) |
|
318 | 319 | { |
|
319 | 320 | Q_Q(QValueAxis); |
|
320 | 321 | bool ok; |
|
321 | 322 | qreal value = min.toReal(&ok); |
|
322 | 323 | if (ok) |
|
323 | 324 | q->setMin(value); |
|
324 | 325 | } |
|
325 | 326 | |
|
326 | 327 | void QValueAxisPrivate::setMax(const QVariant &max) |
|
327 | 328 | { |
|
328 | 329 | Q_Q(QValueAxis); |
|
329 | 330 | bool ok; |
|
330 | 331 | qreal value = max.toReal(&ok); |
|
331 | 332 | if (ok) |
|
332 | 333 | q->setMax(value); |
|
333 | 334 | } |
|
334 | 335 | |
|
335 | 336 | void QValueAxisPrivate::setRange(const QVariant &min, const QVariant &max) |
|
336 | 337 | { |
|
337 | 338 | Q_Q(QValueAxis); |
|
338 | 339 | bool ok1; |
|
339 | 340 | bool ok2; |
|
340 | 341 | qreal value1 = min.toReal(&ok1); |
|
341 | 342 | qreal value2 = max.toReal(&ok2); |
|
342 | 343 | if (ok1 && ok2) |
|
343 | 344 | q->setRange(value1, value2); |
|
344 | 345 | } |
|
345 | 346 | |
|
346 | 347 | void QValueAxisPrivate::setRange(qreal min, qreal max) |
|
347 | 348 | { |
|
348 | 349 | Q_Q(QValueAxis); |
|
349 | 350 | bool changed = false; |
|
350 | 351 | |
|
351 | 352 | if (min > max) |
|
352 | 353 | return; |
|
353 | 354 | |
|
354 | 355 | if (!qFuzzyCompare(m_min,min)) { |
|
355 | 356 | m_min = min; |
|
356 | 357 | changed = true; |
|
357 | 358 | emit q->minChanged(min); |
|
358 | 359 | } |
|
359 | 360 | |
|
360 | 361 | if (!qFuzzyCompare(m_max,max)) { |
|
361 | 362 | m_max = max; |
|
362 | 363 | changed = true; |
|
363 | 364 | emit q->maxChanged(max); |
|
364 | 365 | } |
|
365 | 366 | |
|
366 | 367 | if (changed) { |
|
367 | 368 | emit rangeChanged(min,max); |
|
368 | 369 | emit q->rangeChanged(min, max); |
|
369 | 370 | } |
|
370 | 371 | } |
|
371 | 372 | |
|
372 | 373 | void QValueAxisPrivate::initializeGraphics(QGraphicsItem* parent) |
|
373 | 374 | { |
|
374 | 375 | Q_Q(QValueAxis); |
|
375 | 376 | ChartAxis* axis(0); |
|
376 | 377 | if (orientation() == Qt::Vertical) |
|
377 | 378 | axis = new ChartValueAxisY(q,parent); |
|
378 | 379 | if (orientation() == Qt::Horizontal) |
|
379 | 380 | axis = new ChartValueAxisX(q,parent); |
|
380 | 381 | |
|
381 | 382 | m_item.reset(axis); |
|
382 | 383 | QAbstractAxisPrivate::initializeGraphics(parent); |
|
383 | 384 | } |
|
384 | 385 | |
|
385 | 386 | |
|
386 | 387 | void QValueAxisPrivate::initializeDomain(AbstractDomain *domain) |
|
387 | 388 | { |
|
388 | 389 | if (orientation() == Qt::Vertical) { |
|
389 | 390 | if(!qFuzzyIsNull(m_max - m_min)) { |
|
390 | 391 | domain->setRangeY(m_min, m_max); |
|
391 | 392 | } |
|
392 | 393 | else { |
|
393 | 394 | setRange(domain->minY(), domain->maxY()); |
|
394 | 395 | } |
|
395 | 396 | } |
|
396 | 397 | if (orientation() == Qt::Horizontal) { |
|
397 | 398 | if(!qFuzzyIsNull(m_max - m_min)) { |
|
398 | 399 | domain->setRangeX(m_min, m_max); |
|
399 | 400 | } |
|
400 | 401 | else { |
|
401 | 402 | setRange(domain->minX(), domain->maxX()); |
|
402 | 403 | } |
|
403 | 404 | } |
|
404 | 405 | } |
|
405 | 406 | |
|
406 | 407 | #include "moc_qvalueaxis.cpp" |
|
407 | 408 | #include "moc_qvalueaxis_p.cpp" |
|
408 | 409 | |
|
409 | 410 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,83 +1,84 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #ifndef QVALUEAXIS_H |
|
22 | 22 | #define QVALUEAXIS_H |
|
23 | 23 | |
|
24 | 24 | #include "qabstractaxis.h" |
|
25 | 25 | |
|
26 | 26 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
27 | 27 | |
|
28 | 28 | class QValueAxisPrivate; |
|
29 | 29 | |
|
30 | 30 | class QTCOMMERCIALCHART_EXPORT QValueAxis : public QAbstractAxis |
|
31 | 31 | { |
|
32 | 32 | Q_OBJECT |
|
33 | 33 | Q_PROPERTY(int tickCount READ tickCount WRITE setTickCount NOTIFY tickCountChanged) |
|
34 | 34 | Q_PROPERTY(bool niceNumbersEnabled READ niceNumbersEnabled WRITE setNiceNumbersEnabled) |
|
35 | 35 | Q_PROPERTY(qreal min READ min WRITE setMin NOTIFY minChanged) |
|
36 | 36 | Q_PROPERTY(qreal max READ max WRITE setMax NOTIFY maxChanged) |
|
37 | Q_PROPERTY(QString labelFormat READ labelFormat WRITE setLabelFormat) | |
|
37 | Q_PROPERTY(QString labelFormat READ labelFormat WRITE setLabelFormat NOTIFY labelFormatChanged) | |
|
38 | 38 | |
|
39 | 39 | public: |
|
40 | 40 | explicit QValueAxis(QObject *parent = 0); |
|
41 | 41 | ~QValueAxis(); |
|
42 | 42 | |
|
43 | 43 | protected: |
|
44 | 44 | QValueAxis(QValueAxisPrivate &d, QObject *parent = 0); |
|
45 | 45 | |
|
46 | 46 | public: |
|
47 | 47 | AxisType type() const; |
|
48 | 48 | |
|
49 | 49 | //range handling |
|
50 | 50 | void setMin(qreal min); |
|
51 | 51 | qreal min() const; |
|
52 | 52 | void setMax(qreal max); |
|
53 | 53 | qreal max() const; |
|
54 | 54 | void setRange(qreal min, qreal max); |
|
55 | 55 | |
|
56 | 56 | //ticks handling |
|
57 | 57 | void setTickCount(int count); |
|
58 | 58 | int tickCount() const; |
|
59 | 59 | |
|
60 | 60 | void setLabelFormat(const QString &format); |
|
61 | 61 | QString labelFormat() const; |
|
62 | 62 | |
|
63 | 63 | //TODO: depreciated ! |
|
64 | 64 | void setNiceNumbersEnabled(bool enable = true); |
|
65 | 65 | bool niceNumbersEnabled() const; |
|
66 | 66 | |
|
67 | 67 | public Q_SLOTS: |
|
68 | 68 | void applyNiceNumbers(); |
|
69 | 69 | |
|
70 | 70 | Q_SIGNALS: |
|
71 | 71 | void minChanged(qreal min); |
|
72 | 72 | void maxChanged(qreal max); |
|
73 | 73 | void rangeChanged(qreal min, qreal max); |
|
74 | 74 | void tickCountChanged(int tickCount); |
|
75 | void labelFormatChanged(const QString &format); | |
|
75 | 76 | |
|
76 | 77 | private: |
|
77 | 78 | Q_DECLARE_PRIVATE(QValueAxis) |
|
78 | 79 | Q_DISABLE_COPY(QValueAxis) |
|
79 | 80 | }; |
|
80 | 81 | |
|
81 | 82 | QTCOMMERCIALCHART_END_NAMESPACE |
|
82 | 83 | |
|
83 | 84 | #endif // QVALUEAXIS_H |
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