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1 | 1 | /**************************************************************************** |
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2 | 2 | ** |
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3 | 3 | ** Copyright (C) 2016 The Qt Company Ltd. |
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4 | 4 | ** Contact: https://www.qt.io/licensing/ |
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5 | 5 | ** |
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6 | 6 | ** This file is part of the Qt Charts module of the Qt Toolkit. |
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7 | 7 | ** |
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8 | 8 | ** $QT_BEGIN_LICENSE:GPL$ |
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9 | 9 | ** Commercial License Usage |
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10 | 10 | ** Licensees holding valid commercial Qt licenses may use this file in |
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11 | 11 | ** accordance with the commercial license agreement provided with the |
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12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
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13 | 13 | ** a written agreement between you and The Qt Company. For licensing terms |
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14 | 14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
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15 | 15 | ** information use the contact form at https://www.qt.io/contact-us. |
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16 | 16 | ** |
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17 | 17 | ** GNU General Public License Usage |
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18 | 18 | ** Alternatively, this file may be used under the terms of the GNU |
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19 | 19 | ** General Public License version 3 or (at your option) any later version |
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20 | 20 | ** approved by the KDE Free Qt Foundation. The licenses are as published by |
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21 | 21 | ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
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22 | 22 | ** included in the packaging of this file. Please review the following |
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23 | 23 | ** information to ensure the GNU General Public License requirements will |
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24 | 24 | ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
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25 | 25 | ** |
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26 | 26 | ** $QT_END_LICENSE$ |
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27 | 27 | ** |
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28 | 28 | ****************************************************************************/ |
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29 | 29 | #include <private/chartpresenter_p.h> |
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30 | 30 | #include <QtCharts/QChart> |
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31 | 31 | #include <private/chartitem_p.h> |
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32 | 32 | #include <private/qchart_p.h> |
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33 | 33 | #include <QtCharts/QAbstractAxis> |
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34 | 34 | #include <private/qabstractaxis_p.h> |
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35 | 35 | #include <private/chartdataset_p.h> |
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36 | 36 | #include <private/chartanimation_p.h> |
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37 | 37 | #include <private/qabstractseries_p.h> |
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38 | 38 | #include <QtCharts/QAreaSeries> |
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39 | 39 | #include <private/chartaxiselement_p.h> |
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40 | 40 | #include <private/chartbackground_p.h> |
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41 | 41 | #include <private/cartesianchartlayout_p.h> |
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42 | 42 | #include <private/polarchartlayout_p.h> |
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43 | 43 | #include <private/charttitle_p.h> |
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44 | 44 | #include <QtCore/QTimer> |
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45 | 45 | #include <QtGui/QTextDocument> |
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46 | 46 | #include <QtWidgets/QGraphicsScene> |
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47 | 47 | #include <QtWidgets/QGraphicsView> |
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48 | 48 | |
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49 | 49 | QT_CHARTS_BEGIN_NAMESPACE |
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50 | 50 | |
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51 | 51 | ChartPresenter::ChartPresenter(QChart *chart, QChart::ChartType type) |
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52 | 52 | : QObject(chart), |
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53 | 53 | m_chart(chart), |
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54 | 54 | m_options(QChart::NoAnimation), |
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55 | 55 | m_animationDuration(ChartAnimationDuration), |
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56 | 56 | m_animationCurve(QEasingCurve::OutQuart), |
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57 | 57 | m_state(ShowState), |
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58 | 58 | m_background(0), |
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59 | 59 | m_plotAreaBackground(0), |
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60 | 60 | m_title(0), |
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61 | 61 | m_localizeNumbers(false) |
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62 | 62 | #ifndef QT_NO_OPENGL |
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63 | 63 | , m_glWidget(0) |
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64 | 64 | , m_glUseWidget(true) |
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65 | 65 | #endif |
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66 | 66 | { |
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67 | 67 | if (type == QChart::ChartTypeCartesian) |
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68 | 68 | m_layout = new CartesianChartLayout(this); |
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69 | 69 | else if (type == QChart::ChartTypePolar) |
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70 | 70 | m_layout = new PolarChartLayout(this); |
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71 | 71 | Q_ASSERT(m_layout); |
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72 | 72 | } |
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73 | 73 | |
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74 | 74 | ChartPresenter::~ChartPresenter() |
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75 | 75 | { |
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76 | 76 | #ifndef QT_NO_OPENGL |
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77 | 77 | delete m_glWidget.data(); |
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78 | 78 | #endif |
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79 | 79 | } |
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80 | 80 | |
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81 | 81 | void ChartPresenter::setGeometry(const QRectF rect) |
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82 | 82 | { |
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83 | 83 | if (m_rect != rect) { |
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84 | 84 | m_rect = rect; |
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85 | 85 | foreach (ChartItem *chart, m_chartItems) { |
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86 | 86 | chart->domain()->setSize(rect.size()); |
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87 | 87 | chart->setPos(rect.topLeft()); |
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88 | 88 | } |
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89 | 89 | #ifndef QT_NO_OPENGL |
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90 | 90 | if (!m_glWidget.isNull()) |
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91 | 91 | m_glWidget->setGeometry(m_rect.toRect()); |
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92 | 92 | #endif |
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93 | 93 | emit plotAreaChanged(m_rect); |
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94 | 94 | } |
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95 | 95 | } |
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96 | 96 | |
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97 | 97 | QRectF ChartPresenter::geometry() const |
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98 | 98 | { |
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99 | 99 | return m_rect; |
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100 | 100 | } |
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101 | 101 | |
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102 | 102 | void ChartPresenter::handleAxisAdded(QAbstractAxis *axis) |
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103 | 103 | { |
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104 | 104 | axis->d_ptr->initializeGraphics(rootItem()); |
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105 | 105 | axis->d_ptr->initializeAnimations(m_options, m_animationDuration, m_animationCurve); |
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106 | 106 | ChartAxisElement *item = axis->d_ptr->axisItem(); |
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107 | 107 | item->setPresenter(this); |
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108 | 108 | item->setThemeManager(m_chart->d_ptr->m_themeManager); |
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109 | 109 | m_axisItems<<item; |
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110 | 110 | m_axes<<axis; |
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111 | 111 | m_layout->invalidate(); |
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112 | 112 | } |
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113 | 113 | |
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114 | 114 | void ChartPresenter::handleAxisRemoved(QAbstractAxis *axis) |
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115 | 115 | { |
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116 | 116 | ChartAxisElement *item = axis->d_ptr->m_item.take(); |
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117 | 117 | if (item->animation()) |
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118 | 118 | item->animation()->stopAndDestroyLater(); |
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119 | 119 | item->hide(); |
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120 | 120 | item->disconnect(); |
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121 | 121 | item->deleteLater(); |
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122 | 122 | m_axisItems.removeAll(item); |
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123 | 123 | m_axes.removeAll(axis); |
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124 | 124 | m_layout->invalidate(); |
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125 | 125 | } |
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126 | 126 | |
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127 | 127 | |
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128 | 128 | void ChartPresenter::handleSeriesAdded(QAbstractSeries *series) |
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129 | 129 | { |
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130 | 130 | series->d_ptr->initializeGraphics(rootItem()); |
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131 | 131 | series->d_ptr->initializeAnimations(m_options, m_animationDuration, m_animationCurve); |
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132 | 132 | series->d_ptr->setPresenter(this); |
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133 | 133 | ChartItem *chart = series->d_ptr->chartItem(); |
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134 | 134 | chart->setPresenter(this); |
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135 | 135 | chart->setThemeManager(m_chart->d_ptr->m_themeManager); |
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136 | 136 | chart->setDataSet(m_chart->d_ptr->m_dataset); |
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137 | 137 | chart->domain()->setSize(m_rect.size()); |
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138 | 138 | chart->setPos(m_rect.topLeft()); |
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139 | 139 | chart->handleDomainUpdated(); //this could be moved to intializeGraphics when animator is refactored |
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140 | 140 | m_chartItems<<chart; |
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141 | 141 | m_series<<series; |
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142 | 142 | m_layout->invalidate(); |
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143 | 143 | } |
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144 | 144 | |
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145 | 145 | void ChartPresenter::handleSeriesRemoved(QAbstractSeries *series) |
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146 | 146 | { |
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147 | 147 | ChartItem *chart = series->d_ptr->m_item.take(); |
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148 | 148 | chart->hide(); |
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149 | 149 | chart->disconnect(); |
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150 | 150 | chart->deleteLater(); |
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151 | 151 | if (chart->animation()) |
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152 | 152 | chart->animation()->stopAndDestroyLater(); |
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153 | 153 | m_chartItems.removeAll(chart); |
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154 | 154 | m_series.removeAll(series); |
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155 | 155 | m_layout->invalidate(); |
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156 | 156 | } |
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157 | 157 | |
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158 | 158 | void ChartPresenter::setAnimationOptions(QChart::AnimationOptions options) |
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159 | 159 | { |
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160 | 160 | if (m_options != options) { |
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161 | 161 | QChart::AnimationOptions oldOptions = m_options; |
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162 | 162 | m_options = options; |
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163 | 163 | if (options.testFlag(QChart::SeriesAnimations) != oldOptions.testFlag(QChart::SeriesAnimations)) { |
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164 | 164 | foreach (QAbstractSeries *series, m_series) |
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165 | 165 | series->d_ptr->initializeAnimations(m_options, m_animationDuration, |
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166 | 166 | m_animationCurve); |
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167 | 167 | } |
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168 | 168 | if (options.testFlag(QChart::GridAxisAnimations) != oldOptions.testFlag(QChart::GridAxisAnimations)) { |
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169 | 169 | foreach (QAbstractAxis *axis, m_axes) |
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170 | 170 | axis->d_ptr->initializeAnimations(m_options, m_animationDuration, m_animationCurve); |
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171 | 171 | } |
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172 | 172 | m_layout->invalidate(); // So that existing animations don't just stop halfway |
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173 | 173 | } |
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174 | 174 | } |
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175 | 175 | |
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176 | 176 | void ChartPresenter::setAnimationDuration(int msecs) |
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177 | 177 | { |
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178 | 178 | if (m_animationDuration != msecs) { |
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179 | 179 | m_animationDuration = msecs; |
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180 | 180 | foreach (QAbstractSeries *series, m_series) |
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181 | 181 | series->d_ptr->initializeAnimations(m_options, m_animationDuration, m_animationCurve); |
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182 | 182 | foreach (QAbstractAxis *axis, m_axes) |
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183 | 183 | axis->d_ptr->initializeAnimations(m_options, m_animationDuration, m_animationCurve); |
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184 | 184 | m_layout->invalidate(); // So that existing animations don't just stop halfway |
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185 | 185 | } |
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186 | 186 | } |
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187 | 187 | |
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188 | 188 | void ChartPresenter::setAnimationEasingCurve(const QEasingCurve &curve) |
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189 | 189 | { |
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190 | 190 | if (m_animationCurve != curve) { |
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191 | 191 | m_animationCurve = curve; |
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192 | 192 | foreach (QAbstractSeries *series, m_series) |
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193 | 193 | series->d_ptr->initializeAnimations(m_options, m_animationDuration, m_animationCurve); |
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194 | 194 | foreach (QAbstractAxis *axis, m_axes) |
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195 | 195 | axis->d_ptr->initializeAnimations(m_options, m_animationDuration, m_animationCurve); |
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196 | 196 | m_layout->invalidate(); // So that existing animations don't just stop halfway |
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197 | 197 | } |
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198 | 198 | } |
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199 | 199 | |
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200 | 200 | void ChartPresenter::setState(State state,QPointF point) |
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201 | 201 | { |
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202 | 202 | m_state=state; |
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203 | 203 | m_statePoint=point; |
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204 | 204 | } |
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205 | 205 | |
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206 | 206 | QChart::AnimationOptions ChartPresenter::animationOptions() const |
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207 | 207 | { |
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208 | 208 | return m_options; |
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209 | 209 | } |
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210 | 210 | |
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211 | 211 | void ChartPresenter::createBackgroundItem() |
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212 | 212 | { |
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213 | 213 | if (!m_background) { |
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214 | 214 | m_background = new ChartBackground(rootItem()); |
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215 | 215 | m_background->setPen(Qt::NoPen); // Theme doesn't touch pen so don't use default |
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216 | 216 | m_background->setBrush(QChartPrivate::defaultBrush()); |
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217 | 217 | m_background->setZValue(ChartPresenter::BackgroundZValue); |
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218 | 218 | } |
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219 | 219 | } |
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220 | 220 | |
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221 | 221 | void ChartPresenter::createPlotAreaBackgroundItem() |
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222 | 222 | { |
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223 | 223 | if (!m_plotAreaBackground) { |
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224 | 224 | if (m_chart->chartType() == QChart::ChartTypeCartesian) |
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225 | 225 | m_plotAreaBackground = new QGraphicsRectItem(rootItem()); |
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226 | 226 | else |
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227 | 227 | m_plotAreaBackground = new QGraphicsEllipseItem(rootItem()); |
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228 | 228 | // Use transparent pen instead of Qt::NoPen, as Qt::NoPen causes |
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229 | 229 | // antialising artifacts with axis lines for some reason. |
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230 | 230 | m_plotAreaBackground->setPen(QPen(Qt::transparent)); |
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231 | 231 | m_plotAreaBackground->setBrush(Qt::NoBrush); |
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232 | 232 | m_plotAreaBackground->setZValue(ChartPresenter::PlotAreaZValue); |
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233 | 233 | m_plotAreaBackground->setVisible(false); |
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234 | 234 | } |
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235 | 235 | } |
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236 | 236 | |
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237 | 237 | void ChartPresenter::createTitleItem() |
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238 | 238 | { |
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239 | 239 | if (!m_title) { |
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240 | 240 | m_title = new ChartTitle(rootItem()); |
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241 | 241 | m_title->setZValue(ChartPresenter::BackgroundZValue); |
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242 | 242 | } |
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243 | 243 | } |
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244 | 244 | |
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245 | 245 | void ChartPresenter::startAnimation(ChartAnimation *animation) |
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246 | 246 | { |
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247 | 247 | animation->stop(); |
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248 | 248 | QTimer::singleShot(0, animation, SLOT(startChartAnimation())); |
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249 | 249 | } |
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250 | 250 | |
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251 | 251 | void ChartPresenter::setBackgroundBrush(const QBrush &brush) |
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252 | 252 | { |
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253 | 253 | createBackgroundItem(); |
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254 | 254 | m_background->setBrush(brush); |
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255 | 255 | m_layout->invalidate(); |
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256 | 256 | } |
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257 | 257 | |
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258 | 258 | QBrush ChartPresenter::backgroundBrush() const |
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259 | 259 | { |
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260 | 260 | if (!m_background) |
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261 | 261 | return QBrush(); |
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262 | 262 | return m_background->brush(); |
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263 | 263 | } |
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264 | 264 | |
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265 | 265 | void ChartPresenter::setBackgroundPen(const QPen &pen) |
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266 | 266 | { |
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267 | 267 | createBackgroundItem(); |
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268 | 268 | m_background->setPen(pen); |
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269 | 269 | m_layout->invalidate(); |
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270 | 270 | } |
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271 | 271 | |
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272 | 272 | QPen ChartPresenter::backgroundPen() const |
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273 | 273 | { |
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274 | 274 | if (!m_background) |
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275 | 275 | return QPen(); |
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276 | 276 | return m_background->pen(); |
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277 | 277 | } |
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278 | 278 | |
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279 | 279 | void ChartPresenter::setBackgroundRoundness(qreal diameter) |
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280 | 280 | { |
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281 | 281 | createBackgroundItem(); |
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282 | 282 | m_background->setDiameter(diameter); |
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283 | 283 | m_layout->invalidate(); |
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284 | 284 | } |
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285 | 285 | |
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286 | 286 | qreal ChartPresenter::backgroundRoundness() const |
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287 | 287 | { |
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288 | 288 | if (!m_background) |
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289 | 289 | return 0; |
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290 | 290 | return m_background->diameter(); |
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291 | 291 | } |
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292 | 292 | |
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293 | 293 | void ChartPresenter::setPlotAreaBackgroundBrush(const QBrush &brush) |
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294 | 294 | { |
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295 | 295 | createPlotAreaBackgroundItem(); |
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296 | 296 | m_plotAreaBackground->setBrush(brush); |
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297 | 297 | m_layout->invalidate(); |
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298 | 298 | } |
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299 | 299 | |
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300 | 300 | QBrush ChartPresenter::plotAreaBackgroundBrush() const |
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301 | 301 | { |
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302 | 302 | if (!m_plotAreaBackground) |
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303 | 303 | return QBrush(); |
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304 | 304 | return m_plotAreaBackground->brush(); |
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305 | 305 | } |
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306 | 306 | |
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307 | 307 | void ChartPresenter::setPlotAreaBackgroundPen(const QPen &pen) |
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308 | 308 | { |
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309 | 309 | createPlotAreaBackgroundItem(); |
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310 | 310 | m_plotAreaBackground->setPen(pen); |
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311 | 311 | m_layout->invalidate(); |
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312 | 312 | } |
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313 | 313 | |
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314 | 314 | QPen ChartPresenter::plotAreaBackgroundPen() const |
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315 | 315 | { |
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316 | 316 | if (!m_plotAreaBackground) |
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317 | 317 | return QPen(); |
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318 | 318 | return m_plotAreaBackground->pen(); |
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319 | 319 | } |
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320 | 320 | |
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321 | 321 | void ChartPresenter::setTitle(const QString &title) |
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322 | 322 | { |
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323 | 323 | createTitleItem(); |
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324 | 324 | m_title->setText(title); |
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325 | 325 | m_layout->invalidate(); |
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326 | 326 | } |
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327 | 327 | |
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328 | 328 | QString ChartPresenter::title() const |
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329 | 329 | { |
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330 | 330 | if (!m_title) |
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331 | 331 | return QString(); |
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332 | 332 | return m_title->text(); |
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333 | 333 | } |
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334 | 334 | |
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335 | 335 | void ChartPresenter::setTitleFont(const QFont &font) |
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336 | 336 | { |
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337 | 337 | createTitleItem(); |
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338 | 338 | m_title->setFont(font); |
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339 | 339 | m_layout->invalidate(); |
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340 | 340 | } |
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341 | 341 | |
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342 | 342 | QFont ChartPresenter::titleFont() const |
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343 | 343 | { |
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344 | 344 | if (!m_title) |
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345 | 345 | return QFont(); |
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346 | 346 | return m_title->font(); |
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347 | 347 | } |
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348 | 348 | |
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349 | 349 | void ChartPresenter::setTitleBrush(const QBrush &brush) |
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350 | 350 | { |
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351 | 351 | createTitleItem(); |
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352 | 352 | m_title->setDefaultTextColor(brush.color()); |
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353 | 353 | m_layout->invalidate(); |
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354 | 354 | } |
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355 | 355 | |
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356 | 356 | QBrush ChartPresenter::titleBrush() const |
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357 | 357 | { |
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358 | 358 | if (!m_title) |
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359 | 359 | return QBrush(); |
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360 | 360 | return QBrush(m_title->defaultTextColor()); |
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361 | 361 | } |
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362 | 362 | |
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363 | 363 | void ChartPresenter::setBackgroundVisible(bool visible) |
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364 | 364 | { |
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365 | 365 | createBackgroundItem(); |
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366 | 366 | m_background->setVisible(visible); |
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367 | 367 | } |
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368 | 368 | |
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369 | 369 | |
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370 | 370 | bool ChartPresenter::isBackgroundVisible() const |
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371 | 371 | { |
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372 | 372 | if (!m_background) |
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373 | 373 | return false; |
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374 | 374 | return m_background->isVisible(); |
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375 | 375 | } |
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376 | 376 | |
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377 | 377 | void ChartPresenter::setPlotAreaBackgroundVisible(bool visible) |
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378 | 378 | { |
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379 | 379 | createPlotAreaBackgroundItem(); |
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380 | 380 | m_plotAreaBackground->setVisible(visible); |
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381 | 381 | } |
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382 | 382 | |
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383 | 383 | bool ChartPresenter::isPlotAreaBackgroundVisible() const |
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384 | 384 | { |
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385 | 385 | if (!m_plotAreaBackground) |
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386 | 386 | return false; |
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387 | 387 | return m_plotAreaBackground->isVisible(); |
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388 | 388 | } |
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389 | 389 | |
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390 | 390 | void ChartPresenter::setBackgroundDropShadowEnabled(bool enabled) |
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391 | 391 | { |
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392 | 392 | createBackgroundItem(); |
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393 | 393 | m_background->setDropShadowEnabled(enabled); |
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394 | 394 | } |
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395 | 395 | |
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396 | 396 | bool ChartPresenter::isBackgroundDropShadowEnabled() const |
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397 | 397 | { |
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398 | 398 | if (!m_background) |
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399 | 399 | return false; |
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400 | 400 | return m_background->isDropShadowEnabled(); |
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401 | 401 | } |
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402 | 402 | |
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403 | 403 | void ChartPresenter::setLocalizeNumbers(bool localize) |
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404 | 404 | { |
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405 | 405 | m_localizeNumbers = localize; |
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406 | 406 | m_layout->invalidate(); |
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407 | 407 | } |
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408 | 408 | |
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409 | 409 | void ChartPresenter::setLocale(const QLocale &locale) |
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410 | 410 | { |
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411 | 411 | m_locale = locale; |
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412 | 412 | m_layout->invalidate(); |
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413 | 413 | } |
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414 | 414 | |
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415 | 415 | AbstractChartLayout *ChartPresenter::layout() |
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416 | 416 | { |
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417 | 417 | return m_layout; |
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418 | 418 | } |
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419 | 419 | |
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420 | 420 | QLegend *ChartPresenter::legend() |
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421 | 421 | { |
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422 | 422 | return m_chart->legend(); |
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423 | 423 | } |
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424 | 424 | |
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425 | 425 | void ChartPresenter::setVisible(bool visible) |
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426 | 426 | { |
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427 | 427 | m_chart->setVisible(visible); |
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428 | 428 | } |
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429 | 429 | |
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430 | 430 | ChartBackground *ChartPresenter::backgroundElement() |
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431 | 431 | { |
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432 | 432 | return m_background; |
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433 | 433 | } |
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434 | 434 | |
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435 | 435 | QAbstractGraphicsShapeItem *ChartPresenter::plotAreaElement() |
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436 | 436 | { |
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437 | 437 | return m_plotAreaBackground; |
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438 | 438 | } |
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439 | 439 | |
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440 | 440 | QList<ChartAxisElement *> ChartPresenter::axisItems() const |
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441 | 441 | { |
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442 | 442 | return m_axisItems; |
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443 | 443 | } |
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444 | 444 | |
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445 | 445 | QList<ChartItem *> ChartPresenter::chartItems() const |
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446 | 446 | { |
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447 | 447 | return m_chartItems; |
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448 | 448 | } |
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449 | 449 | |
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450 | 450 | ChartTitle *ChartPresenter::titleElement() |
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451 | 451 | { |
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452 | 452 | return m_title; |
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453 | 453 | } |
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454 | 454 | |
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455 | 455 | QRectF ChartPresenter::textBoundingRect(const QFont &font, const QString &text, qreal angle) |
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456 | 456 | { |
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457 | 457 | static QGraphicsTextItem dummyTextItem; |
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458 | 458 | static bool initMargin = true; |
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459 | 459 | if (initMargin) { |
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460 | 460 | dummyTextItem.document()->setDocumentMargin(textMargin()); |
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461 | 461 | initMargin = false; |
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462 | 462 | } |
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463 | 463 | |
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464 | 464 | dummyTextItem.setFont(font); |
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465 | 465 | dummyTextItem.setHtml(text); |
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466 | 466 | QRectF boundingRect = dummyTextItem.boundingRect(); |
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467 | 467 | |
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468 | 468 | // Take rotation into account |
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469 | 469 | if (angle) { |
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470 | 470 | QTransform transform; |
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471 | 471 | transform.rotate(angle); |
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472 | 472 | boundingRect = transform.mapRect(boundingRect); |
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473 | 473 | } |
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474 | 474 | |
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475 | 475 | return boundingRect; |
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476 | 476 | } |
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477 | 477 | |
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478 | 478 | // boundingRect parameter returns the rotated bounding rect of the text |
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479 | 479 | QString ChartPresenter::truncatedText(const QFont &font, const QString &text, qreal angle, |
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480 | 480 | qreal maxWidth, qreal maxHeight, QRectF &boundingRect) |
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481 | 481 | { |
|
482 | 482 | QString truncatedString(text); |
|
483 | 483 | boundingRect = textBoundingRect(font, truncatedString, angle); |
|
484 | 484 | if (boundingRect.width() > maxWidth || boundingRect.height() > maxHeight) { |
|
485 | 485 | // It can be assumed that almost any amount of string manipulation is faster |
|
486 | 486 | // than calculating one bounding rectangle, so first prepare a list of truncated strings |
|
487 | 487 | // to try. |
|
488 | 488 | static QRegExp truncateMatcher(QStringLiteral("&#?[0-9a-zA-Z]*;$")); |
|
489 | 489 | |
|
490 | 490 | QVector<QString> testStrings(text.length()); |
|
491 | 491 | int count(0); |
|
492 | 492 | static QLatin1Char closeTag('>'); |
|
493 | 493 | static QLatin1Char openTag('<'); |
|
494 | 494 | static QLatin1Char semiColon(';'); |
|
495 | 495 | static QLatin1String ellipsis("..."); |
|
496 | 496 | while (truncatedString.length() > 1) { |
|
497 | 497 | int chopIndex(-1); |
|
498 | 498 | int chopCount(1); |
|
499 | 499 | QChar lastChar(truncatedString.at(truncatedString.length() - 1)); |
|
500 | 500 | |
|
501 | 501 | if (lastChar == closeTag) |
|
502 | 502 | chopIndex = truncatedString.lastIndexOf(openTag); |
|
503 | 503 | else if (lastChar == semiColon) |
|
504 | 504 | chopIndex = truncateMatcher.indexIn(truncatedString, 0); |
|
505 | 505 | |
|
506 | 506 | if (chopIndex != -1) |
|
507 | 507 | chopCount = truncatedString.length() - chopIndex; |
|
508 | 508 | truncatedString.chop(chopCount); |
|
509 | 509 | testStrings[count] = truncatedString + ellipsis; |
|
510 | 510 | count++; |
|
511 | 511 | } |
|
512 | 512 | |
|
513 | 513 | // Binary search for best fit |
|
514 | 514 | int minIndex(0); |
|
515 | 515 | int maxIndex(count - 1); |
|
516 | 516 | int bestIndex(count); |
|
517 | 517 | QRectF checkRect; |
|
518 | 518 | |
|
519 | 519 | while (maxIndex >= minIndex) { |
|
520 | 520 | int mid = (maxIndex + minIndex) / 2; |
|
521 | 521 | checkRect = textBoundingRect(font, testStrings.at(mid), angle); |
|
522 | 522 | if (checkRect.width() > maxWidth || checkRect.height() > maxHeight) { |
|
523 | 523 | // Checked index too large, all under this are also too large |
|
524 | 524 | minIndex = mid + 1; |
|
525 | 525 | } else { |
|
526 | 526 | // Checked index fits, all over this also fit |
|
527 | 527 | maxIndex = mid - 1; |
|
528 | 528 | bestIndex = mid; |
|
529 | 529 | boundingRect = checkRect; |
|
530 | 530 | } |
|
531 | 531 | } |
|
532 | 532 | // Default to "..." if nothing fits |
|
533 | 533 | if (bestIndex == count) { |
|
534 | 534 | boundingRect = textBoundingRect(font, ellipsis, angle); |
|
535 | 535 | truncatedString = ellipsis; |
|
536 | 536 | } else { |
|
537 | 537 | truncatedString = testStrings.at(bestIndex); |
|
538 | 538 | } |
|
539 | 539 | } |
|
540 | 540 | |
|
541 | 541 | return truncatedString; |
|
542 | 542 | } |
|
543 | 543 | |
|
544 | 544 | QString ChartPresenter::numberToString(double value, char f, int prec) |
|
545 | 545 | { |
|
546 | 546 | if (m_localizeNumbers) |
|
547 | 547 | return m_locale.toString(value, f, prec); |
|
548 | 548 | else |
|
549 | 549 | return QString::number(value, f, prec); |
|
550 | 550 | } |
|
551 | 551 | |
|
552 | 552 | QString ChartPresenter::numberToString(int value) |
|
553 | 553 | { |
|
554 | 554 | if (m_localizeNumbers) |
|
555 | 555 | return m_locale.toString(value); |
|
556 | 556 | else |
|
557 | 557 | return QString::number(value); |
|
558 | 558 | } |
|
559 | 559 | |
|
560 |
void ChartPresenter:: |
|
|
560 | void ChartPresenter::updateGLWidget() | |
|
561 | 561 | { |
|
562 | 562 | #ifndef QT_NO_OPENGL |
|
563 | 563 | // GLWidget pointer is wrapped in QPointer as its parent is not in our control, and therefore |
|
564 | 564 | // can potentially get deleted unexpectedly. |
|
565 | 565 | if (m_glWidget.isNull() && m_glUseWidget && m_chart->scene()) { |
|
566 | 566 | // Find the view of the scene. If the scene has multiple views, only the first view is |
|
567 | 567 | // chosen. |
|
568 | 568 | QList<QGraphicsView *> views = m_chart->scene()->views(); |
|
569 | 569 | if (views.size()) { |
|
570 | 570 | QGraphicsView *firstView = views.at(0); |
|
571 | 571 | m_glWidget = new GLWidget(m_chart->d_ptr->m_dataset->glXYSeriesDataManager(), |
|
572 | 572 | firstView); |
|
573 | 573 | m_glWidget->setGeometry(m_rect.toRect()); |
|
574 | 574 | m_glWidget->show(); |
|
575 | 575 | } |
|
576 | 576 | } |
|
577 | // Make sure we update the widget in a timely manner | |
|
578 | if (!m_glWidget.isNull()) | |
|
579 | m_glWidget->update(); | |
|
577 | 580 | #endif |
|
578 | 581 | } |
|
579 | 582 | |
|
580 | 583 | #include "moc_chartpresenter_p.cpp" |
|
581 | 584 | |
|
582 | 585 | QT_CHARTS_END_NAMESPACE |
@@ -1,220 +1,220 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2016 The Qt Company Ltd. |
|
4 | 4 | ** Contact: https://www.qt.io/licensing/ |
|
5 | 5 | ** |
|
6 | 6 | ** This file is part of the Qt Charts module of the Qt Toolkit. |
|
7 | 7 | ** |
|
8 | 8 | ** $QT_BEGIN_LICENSE:GPL$ |
|
9 | 9 | ** Commercial License Usage |
|
10 | 10 | ** Licensees holding valid commercial Qt licenses may use this file in |
|
11 | 11 | ** accordance with the 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 The Qt Company. For licensing terms |
|
14 | 14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
|
15 | 15 | ** information use the contact form at https://www.qt.io/contact-us. |
|
16 | 16 | ** |
|
17 | 17 | ** GNU General Public License Usage |
|
18 | 18 | ** Alternatively, this file may be used under the terms of the GNU |
|
19 | 19 | ** General Public License version 3 or (at your option) any later version |
|
20 | 20 | ** approved by the KDE Free Qt Foundation. The licenses are as published by |
|
21 | 21 | ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
|
22 | 22 | ** included in the packaging of this file. Please review the following |
|
23 | 23 | ** information to ensure the GNU General Public License requirements will |
|
24 | 24 | ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
|
25 | 25 | ** |
|
26 | 26 | ** $QT_END_LICENSE$ |
|
27 | 27 | ** |
|
28 | 28 | ****************************************************************************/ |
|
29 | 29 | |
|
30 | 30 | // W A R N I N G |
|
31 | 31 | // ------------- |
|
32 | 32 | // |
|
33 | 33 | // This file is not part of the Qt Chart API. It exists purely as an |
|
34 | 34 | // implementation detail. This header file may change from version to |
|
35 | 35 | // version without notice, or even be removed. |
|
36 | 36 | // |
|
37 | 37 | // We mean it. |
|
38 | 38 | |
|
39 | 39 | #ifndef CHARTPRESENTER_H |
|
40 | 40 | #define CHARTPRESENTER_H |
|
41 | 41 | |
|
42 | 42 | #include <QtCharts/QChartGlobal> |
|
43 | 43 | #include <QtCharts/QChart> //because of QChart::ChartThemeId |
|
44 | 44 | #include <private/glwidget_p.h> |
|
45 | 45 | #include <QtCore/QRectF> |
|
46 | 46 | #include <QtCore/QMargins> |
|
47 | 47 | #include <QtCore/QLocale> |
|
48 | 48 | #include <QtCore/QPointer> |
|
49 | 49 | #include <QtCore/QEasingCurve> |
|
50 | 50 | |
|
51 | 51 | QT_CHARTS_BEGIN_NAMESPACE |
|
52 | 52 | |
|
53 | 53 | class ChartItem; |
|
54 | 54 | class AxisItem; |
|
55 | 55 | class QAbstractSeries; |
|
56 | 56 | class ChartDataSet; |
|
57 | 57 | class AbstractDomain; |
|
58 | 58 | class ChartAxisElement; |
|
59 | 59 | class ChartAnimator; |
|
60 | 60 | class ChartBackground; |
|
61 | 61 | class ChartTitle; |
|
62 | 62 | class ChartAnimation; |
|
63 | 63 | class AbstractChartLayout; |
|
64 | 64 | |
|
65 | 65 | class ChartPresenter: public QObject |
|
66 | 66 | { |
|
67 | 67 | Q_OBJECT |
|
68 | 68 | public: |
|
69 | 69 | enum ZValues { |
|
70 | 70 | BackgroundZValue = -1, |
|
71 | 71 | PlotAreaZValue, |
|
72 | 72 | ShadesZValue, |
|
73 | 73 | GridZValue, |
|
74 | 74 | AxisZValue, |
|
75 | 75 | SeriesZValue, |
|
76 | 76 | LineChartZValue = SeriesZValue, |
|
77 | 77 | SplineChartZValue = SeriesZValue, |
|
78 | 78 | BarSeriesZValue = SeriesZValue, |
|
79 | 79 | ScatterSeriesZValue = SeriesZValue, |
|
80 | 80 | PieSeriesZValue = SeriesZValue, |
|
81 | 81 | BoxPlotSeriesZValue = SeriesZValue, |
|
82 | 82 | LegendZValue, |
|
83 | 83 | TopMostZValue |
|
84 | 84 | }; |
|
85 | 85 | |
|
86 | 86 | enum State { |
|
87 | 87 | ShowState, |
|
88 | 88 | ScrollUpState, |
|
89 | 89 | ScrollDownState, |
|
90 | 90 | ScrollLeftState, |
|
91 | 91 | ScrollRightState, |
|
92 | 92 | ZoomInState, |
|
93 | 93 | ZoomOutState |
|
94 | 94 | }; |
|
95 | 95 | |
|
96 | 96 | ChartPresenter(QChart *chart, QChart::ChartType type); |
|
97 | 97 | virtual ~ChartPresenter(); |
|
98 | 98 | |
|
99 | 99 | |
|
100 | 100 | void setGeometry(QRectF rect); |
|
101 | 101 | QRectF geometry() const; |
|
102 | 102 | |
|
103 | 103 | QGraphicsItem *rootItem(){ return m_chart; } |
|
104 | 104 | ChartBackground *backgroundElement(); |
|
105 | 105 | QAbstractGraphicsShapeItem *plotAreaElement(); |
|
106 | 106 | ChartTitle *titleElement(); |
|
107 | 107 | QList<ChartAxisElement *> axisItems() const; |
|
108 | 108 | QList<ChartItem *> chartItems() const; |
|
109 | 109 | |
|
110 | 110 | QLegend *legend(); |
|
111 | 111 | |
|
112 | 112 | void setBackgroundBrush(const QBrush &brush); |
|
113 | 113 | QBrush backgroundBrush() const; |
|
114 | 114 | |
|
115 | 115 | void setBackgroundPen(const QPen &pen); |
|
116 | 116 | QPen backgroundPen() const; |
|
117 | 117 | |
|
118 | 118 | void setBackgroundRoundness(qreal diameter); |
|
119 | 119 | qreal backgroundRoundness() const; |
|
120 | 120 | |
|
121 | 121 | void setPlotAreaBackgroundBrush(const QBrush &brush); |
|
122 | 122 | QBrush plotAreaBackgroundBrush() const; |
|
123 | 123 | |
|
124 | 124 | void setPlotAreaBackgroundPen(const QPen &pen); |
|
125 | 125 | QPen plotAreaBackgroundPen() const; |
|
126 | 126 | |
|
127 | 127 | void setTitle(const QString &title); |
|
128 | 128 | QString title() const; |
|
129 | 129 | |
|
130 | 130 | void setTitleFont(const QFont &font); |
|
131 | 131 | QFont titleFont() const; |
|
132 | 132 | |
|
133 | 133 | void setTitleBrush(const QBrush &brush); |
|
134 | 134 | QBrush titleBrush() const; |
|
135 | 135 | |
|
136 | 136 | void setBackgroundVisible(bool visible); |
|
137 | 137 | bool isBackgroundVisible() const; |
|
138 | 138 | |
|
139 | 139 | void setPlotAreaBackgroundVisible(bool visible); |
|
140 | 140 | bool isPlotAreaBackgroundVisible() const; |
|
141 | 141 | |
|
142 | 142 | void setBackgroundDropShadowEnabled(bool enabled); |
|
143 | 143 | bool isBackgroundDropShadowEnabled() const; |
|
144 | 144 | |
|
145 | 145 | void setLocalizeNumbers(bool localize); |
|
146 | 146 | inline bool localizeNumbers() const { return m_localizeNumbers; } |
|
147 | 147 | void setLocale(const QLocale &locale); |
|
148 | 148 | inline const QLocale &locale() const { return m_locale; } |
|
149 | 149 | |
|
150 | 150 | void setVisible(bool visible); |
|
151 | 151 | |
|
152 | 152 | void setAnimationOptions(QChart::AnimationOptions options); |
|
153 | 153 | QChart::AnimationOptions animationOptions() const; |
|
154 | 154 | void setAnimationDuration(int msecs); |
|
155 | 155 | int animationDuration() const { return m_animationDuration; } |
|
156 | 156 | void setAnimationEasingCurve(const QEasingCurve &curve); |
|
157 | 157 | QEasingCurve animationEasingCurve() const { return m_animationCurve; } |
|
158 | 158 | |
|
159 | 159 | void startAnimation(ChartAnimation *animation); |
|
160 | 160 | |
|
161 | 161 | void setState(State state,QPointF point); |
|
162 | 162 | State state() const { return m_state; } |
|
163 | 163 | QPointF statePoint() const { return m_statePoint; } |
|
164 | 164 | AbstractChartLayout *layout(); |
|
165 | 165 | |
|
166 | 166 | QChart::ChartType chartType() const { return m_chart->chartType(); } |
|
167 | 167 | QChart *chart() { return m_chart; } |
|
168 | 168 | |
|
169 | 169 | static QRectF textBoundingRect(const QFont &font, const QString &text, qreal angle = 0.0); |
|
170 | 170 | static QString truncatedText(const QFont &font, const QString &text, qreal angle, |
|
171 | 171 | qreal maxWidth, qreal maxHeight, QRectF &boundingRect); |
|
172 | 172 | inline static qreal textMargin() { return qreal(0.5); } |
|
173 | 173 | |
|
174 | 174 | QString numberToString(double value, char f = 'g', int prec = 6); |
|
175 | 175 | QString numberToString(int value); |
|
176 | 176 | |
|
177 |
void |
|
|
177 | void updateGLWidget(); | |
|
178 | 178 | void glSetUseWidget(bool enable) { m_glUseWidget = enable; } |
|
179 | 179 | |
|
180 | 180 | private: |
|
181 | 181 | void createBackgroundItem(); |
|
182 | 182 | void createPlotAreaBackgroundItem(); |
|
183 | 183 | void createTitleItem(); |
|
184 | 184 | |
|
185 | 185 | public Q_SLOTS: |
|
186 | 186 | void handleSeriesAdded(QAbstractSeries *series); |
|
187 | 187 | void handleSeriesRemoved(QAbstractSeries *series); |
|
188 | 188 | void handleAxisAdded(QAbstractAxis *axis); |
|
189 | 189 | void handleAxisRemoved(QAbstractAxis *axis); |
|
190 | 190 | |
|
191 | 191 | Q_SIGNALS: |
|
192 | 192 | void plotAreaChanged(const QRectF &plotArea); |
|
193 | 193 | |
|
194 | 194 | private: |
|
195 | 195 | QChart *m_chart; |
|
196 | 196 | QList<ChartItem *> m_chartItems; |
|
197 | 197 | QList<ChartAxisElement *> m_axisItems; |
|
198 | 198 | QList<QAbstractSeries *> m_series; |
|
199 | 199 | QList<QAbstractAxis *> m_axes; |
|
200 | 200 | QChart::AnimationOptions m_options; |
|
201 | 201 | int m_animationDuration; |
|
202 | 202 | QEasingCurve m_animationCurve; |
|
203 | 203 | State m_state; |
|
204 | 204 | QPointF m_statePoint; |
|
205 | 205 | AbstractChartLayout *m_layout; |
|
206 | 206 | ChartBackground *m_background; |
|
207 | 207 | QAbstractGraphicsShapeItem *m_plotAreaBackground; |
|
208 | 208 | ChartTitle *m_title; |
|
209 | 209 | QRectF m_rect; |
|
210 | 210 | bool m_localizeNumbers; |
|
211 | 211 | QLocale m_locale; |
|
212 | 212 | #ifndef QT_NO_OPENGL |
|
213 | 213 | QPointer<GLWidget> m_glWidget; |
|
214 | 214 | #endif |
|
215 | 215 | bool m_glUseWidget; |
|
216 | 216 | }; |
|
217 | 217 | |
|
218 | 218 | QT_CHARTS_END_NAMESPACE |
|
219 | 219 | |
|
220 | 220 | #endif /* CHARTPRESENTER_H */ |
@@ -1,246 +1,246 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2016 The Qt Company Ltd. |
|
4 | 4 | ** Contact: https://www.qt.io/licensing/ |
|
5 | 5 | ** |
|
6 | 6 | ** This file is part of the Qt Charts module of the Qt Toolkit. |
|
7 | 7 | ** |
|
8 | 8 | ** $QT_BEGIN_LICENSE:GPL$ |
|
9 | 9 | ** Commercial License Usage |
|
10 | 10 | ** Licensees holding valid commercial Qt licenses may use this file in |
|
11 | 11 | ** accordance with the 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 The Qt Company. For licensing terms |
|
14 | 14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
|
15 | 15 | ** information use the contact form at https://www.qt.io/contact-us. |
|
16 | 16 | ** |
|
17 | 17 | ** GNU General Public License Usage |
|
18 | 18 | ** Alternatively, this file may be used under the terms of the GNU |
|
19 | 19 | ** General Public License version 3 or (at your option) any later version |
|
20 | 20 | ** approved by the KDE Free Qt Foundation. The licenses are as published by |
|
21 | 21 | ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
|
22 | 22 | ** included in the packaging of this file. Please review the following |
|
23 | 23 | ** information to ensure the GNU General Public License requirements will |
|
24 | 24 | ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
|
25 | 25 | ** |
|
26 | 26 | ** $QT_END_LICENSE$ |
|
27 | 27 | ** |
|
28 | 28 | ****************************************************************************/ |
|
29 | 29 | |
|
30 | 30 | #include <private/xychart_p.h> |
|
31 | 31 | #include <QtCharts/QXYSeries> |
|
32 | 32 | #include <private/qxyseries_p.h> |
|
33 | 33 | #include <private/chartpresenter_p.h> |
|
34 | 34 | #include <private/abstractdomain_p.h> |
|
35 | 35 | #include <private/chartdataset_p.h> |
|
36 | 36 | #include <private/glxyseriesdata_p.h> |
|
37 | 37 | #include <QtCharts/QXYModelMapper> |
|
38 | 38 | #include <private/qabstractaxis_p.h> |
|
39 | 39 | #include <QtGui/QPainter> |
|
40 | 40 | #include <QtCore/QAbstractItemModel> |
|
41 | 41 | |
|
42 | 42 | |
|
43 | 43 | QT_CHARTS_BEGIN_NAMESPACE |
|
44 | 44 | |
|
45 | 45 | XYChart::XYChart(QXYSeries *series, QGraphicsItem *item): |
|
46 | 46 | ChartItem(series->d_func(),item), |
|
47 | 47 | m_series(series), |
|
48 | 48 | m_animation(0), |
|
49 | 49 | m_dirty(true) |
|
50 | 50 | { |
|
51 | 51 | QObject::connect(series, SIGNAL(pointReplaced(int)), this, SLOT(handlePointReplaced(int))); |
|
52 | 52 | QObject::connect(series, SIGNAL(pointsReplaced()), this, SLOT(handlePointsReplaced())); |
|
53 | 53 | QObject::connect(series, SIGNAL(pointAdded(int)), this, SLOT(handlePointAdded(int))); |
|
54 | 54 | QObject::connect(series, SIGNAL(pointRemoved(int)), this, SLOT(handlePointRemoved(int))); |
|
55 | 55 | QObject::connect(series, SIGNAL(pointsRemoved(int, int)), this, SLOT(handlePointsRemoved(int, int))); |
|
56 | 56 | QObject::connect(this, SIGNAL(clicked(QPointF)), series, SIGNAL(clicked(QPointF))); |
|
57 | 57 | QObject::connect(this, SIGNAL(hovered(QPointF,bool)), series, SIGNAL(hovered(QPointF,bool))); |
|
58 | 58 | QObject::connect(this, SIGNAL(pressed(QPointF)), series, SIGNAL(pressed(QPointF))); |
|
59 | 59 | QObject::connect(this, SIGNAL(released(QPointF)), series, SIGNAL(released(QPointF))); |
|
60 | 60 | QObject::connect(this, SIGNAL(doubleClicked(QPointF)), series, SIGNAL(doubleClicked(QPointF))); |
|
61 | 61 | } |
|
62 | 62 | |
|
63 | 63 | void XYChart::setGeometryPoints(const QVector<QPointF> &points) |
|
64 | 64 | { |
|
65 | 65 | m_points = points; |
|
66 | 66 | } |
|
67 | 67 | |
|
68 | 68 | void XYChart::setAnimation(XYAnimation *animation) |
|
69 | 69 | { |
|
70 | 70 | m_animation = animation; |
|
71 | 71 | } |
|
72 | 72 | |
|
73 | 73 | void XYChart::setDirty(bool dirty) |
|
74 | 74 | { |
|
75 | 75 | m_dirty = dirty; |
|
76 | 76 | } |
|
77 | 77 | |
|
78 | 78 | // Returns a vector with same size as geometryPoints vector, indicating |
|
79 | 79 | // the off grid status of points. |
|
80 | 80 | QVector<bool> XYChart::offGridStatusVector() |
|
81 | 81 | { |
|
82 | 82 | qreal minX = domain()->minX(); |
|
83 | 83 | qreal maxX = domain()->maxX(); |
|
84 | 84 | qreal minY = domain()->minY(); |
|
85 | 85 | qreal maxY = domain()->maxY(); |
|
86 | 86 | |
|
87 | 87 | QVector<bool> returnVector; |
|
88 | 88 | returnVector.resize(m_points.size()); |
|
89 | 89 | // During remove animation series may have different number of points, |
|
90 | 90 | // so ensure we don't go over the index. No need to check for zero points, this |
|
91 | 91 | // will not be called in such a situation. |
|
92 | 92 | const int seriesLastIndex = m_series->count() - 1; |
|
93 | 93 | |
|
94 | 94 | for (int i = 0; i < m_points.size(); i++) { |
|
95 | 95 | const QPointF &seriesPoint = m_series->at(qMin(seriesLastIndex, i)); |
|
96 | 96 | if (seriesPoint.x() < minX |
|
97 | 97 | || seriesPoint.x() > maxX |
|
98 | 98 | || seriesPoint.y() < minY |
|
99 | 99 | || seriesPoint.y() > maxY) { |
|
100 | 100 | returnVector[i] = true; |
|
101 | 101 | } else { |
|
102 | 102 | returnVector[i] = false; |
|
103 | 103 | } |
|
104 | 104 | } |
|
105 | 105 | return returnVector; |
|
106 | 106 | } |
|
107 | 107 | |
|
108 | 108 | void XYChart::updateChart(QVector<QPointF> &oldPoints, QVector<QPointF> &newPoints, int index) |
|
109 | 109 | { |
|
110 | 110 | |
|
111 | 111 | if (m_animation) { |
|
112 | 112 | m_animation->setup(oldPoints, newPoints, index); |
|
113 | 113 | m_points = newPoints; |
|
114 | 114 | setDirty(false); |
|
115 | 115 | presenter()->startAnimation(m_animation); |
|
116 | 116 | } else { |
|
117 | 117 | m_points = newPoints; |
|
118 | 118 | updateGeometry(); |
|
119 | 119 | } |
|
120 | 120 | } |
|
121 | 121 | |
|
122 | 122 | void XYChart::updateGlChart() |
|
123 | 123 | { |
|
124 | presenter()->ensureGLWidget(); | |
|
125 | 124 | dataSet()->glXYSeriesDataManager()->setPoints(m_series, domain()); |
|
125 | presenter()->updateGLWidget(); | |
|
126 | 126 | updateGeometry(); |
|
127 | 127 | } |
|
128 | 128 | |
|
129 | 129 | //handlers |
|
130 | 130 | |
|
131 | 131 | void XYChart::handlePointAdded(int index) |
|
132 | 132 | { |
|
133 | 133 | Q_ASSERT(index < m_series->count()); |
|
134 | 134 | Q_ASSERT(index >= 0); |
|
135 | 135 | |
|
136 | 136 | if (m_series->useOpenGL()) { |
|
137 | 137 | updateGlChart(); |
|
138 | 138 | } else { |
|
139 | 139 | QVector<QPointF> points; |
|
140 | 140 | if (m_dirty || m_points.isEmpty()) { |
|
141 | 141 | points = domain()->calculateGeometryPoints(m_series->pointsVector()); |
|
142 | 142 | } else { |
|
143 | 143 | points = m_points; |
|
144 | 144 | QPointF point = domain()->calculateGeometryPoint(m_series->pointsVector().at(index), |
|
145 | 145 | m_validData); |
|
146 | 146 | if (!m_validData) |
|
147 | 147 | m_points.clear(); |
|
148 | 148 | else |
|
149 | 149 | points.insert(index, point); |
|
150 | 150 | } |
|
151 | 151 | updateChart(m_points, points, index); |
|
152 | 152 | } |
|
153 | 153 | } |
|
154 | 154 | |
|
155 | 155 | void XYChart::handlePointRemoved(int index) |
|
156 | 156 | { |
|
157 | 157 | Q_ASSERT(index <= m_series->count()); |
|
158 | 158 | Q_ASSERT(index >= 0); |
|
159 | 159 | |
|
160 | 160 | if (m_series->useOpenGL()) { |
|
161 | 161 | updateGlChart(); |
|
162 | 162 | } else { |
|
163 | 163 | QVector<QPointF> points; |
|
164 | 164 | if (m_dirty || m_points.isEmpty()) { |
|
165 | 165 | points = domain()->calculateGeometryPoints(m_series->pointsVector()); |
|
166 | 166 | } else { |
|
167 | 167 | points = m_points; |
|
168 | 168 | points.remove(index); |
|
169 | 169 | } |
|
170 | 170 | updateChart(m_points, points, index); |
|
171 | 171 | } |
|
172 | 172 | } |
|
173 | 173 | |
|
174 | 174 | void XYChart::handlePointsRemoved(int index, int count) |
|
175 | 175 | { |
|
176 | 176 | Q_ASSERT(index <= m_series->count()); |
|
177 | 177 | Q_ASSERT(index >= 0); |
|
178 | 178 | |
|
179 | 179 | if (m_series->useOpenGL()) { |
|
180 | 180 | updateGlChart(); |
|
181 | 181 | } else { |
|
182 | 182 | QVector<QPointF> points; |
|
183 | 183 | if (m_dirty || m_points.isEmpty()) { |
|
184 | 184 | points = domain()->calculateGeometryPoints(m_series->pointsVector()); |
|
185 | 185 | } else { |
|
186 | 186 | points = m_points; |
|
187 | 187 | points.remove(index, count); |
|
188 | 188 | } |
|
189 | 189 | updateChart(m_points, points, index); |
|
190 | 190 | } |
|
191 | 191 | } |
|
192 | 192 | |
|
193 | 193 | void XYChart::handlePointReplaced(int index) |
|
194 | 194 | { |
|
195 | 195 | Q_ASSERT(index < m_series->count()); |
|
196 | 196 | Q_ASSERT(index >= 0); |
|
197 | 197 | |
|
198 | 198 | if (m_series->useOpenGL()) { |
|
199 | 199 | updateGlChart(); |
|
200 | 200 | } else { |
|
201 | 201 | QVector<QPointF> points; |
|
202 | 202 | if (m_dirty || m_points.isEmpty()) { |
|
203 | 203 | points = domain()->calculateGeometryPoints(m_series->pointsVector()); |
|
204 | 204 | } else { |
|
205 | 205 | QPointF point = domain()->calculateGeometryPoint(m_series->pointsVector().at(index), |
|
206 | 206 | m_validData); |
|
207 | 207 | if (!m_validData) |
|
208 | 208 | m_points.clear(); |
|
209 | 209 | points = m_points; |
|
210 | 210 | if (m_validData) |
|
211 | 211 | points.replace(index, point); |
|
212 | 212 | } |
|
213 | 213 | updateChart(m_points, points, index); |
|
214 | 214 | } |
|
215 | 215 | } |
|
216 | 216 | |
|
217 | 217 | void XYChart::handlePointsReplaced() |
|
218 | 218 | { |
|
219 | 219 | if (m_series->useOpenGL()) { |
|
220 | 220 | updateGlChart(); |
|
221 | 221 | } else { |
|
222 | 222 | // All the points were replaced -> recalculate |
|
223 | 223 | QVector<QPointF> points = domain()->calculateGeometryPoints(m_series->pointsVector()); |
|
224 | 224 | updateChart(m_points, points, -1); |
|
225 | 225 | } |
|
226 | 226 | } |
|
227 | 227 | |
|
228 | 228 | void XYChart::handleDomainUpdated() |
|
229 | 229 | { |
|
230 | 230 | if (m_series->useOpenGL()) { |
|
231 | 231 | updateGlChart(); |
|
232 | 232 | } else { |
|
233 | 233 | if (isEmpty()) return; |
|
234 | 234 | QVector<QPointF> points = domain()->calculateGeometryPoints(m_series->pointsVector()); |
|
235 | 235 | updateChart(m_points, points); |
|
236 | 236 | } |
|
237 | 237 | } |
|
238 | 238 | |
|
239 | 239 | bool XYChart::isEmpty() |
|
240 | 240 | { |
|
241 | 241 | return domain()->isEmpty() || m_series->points().isEmpty(); |
|
242 | 242 | } |
|
243 | 243 | |
|
244 | 244 | #include "moc_xychart_p.cpp" |
|
245 | 245 | |
|
246 | 246 | QT_CHARTS_END_NAMESPACE |
@@ -1,1248 +1,1250 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2016 The Qt Company Ltd. |
|
4 | 4 | ** Contact: https://www.qt.io/licensing/ |
|
5 | 5 | ** |
|
6 | 6 | ** This file is part of the Qt Charts module of the Qt Toolkit. |
|
7 | 7 | ** |
|
8 | 8 | ** $QT_BEGIN_LICENSE:GPL$ |
|
9 | 9 | ** Commercial License Usage |
|
10 | 10 | ** Licensees holding valid commercial Qt licenses may use this file in |
|
11 | 11 | ** accordance with the 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 The Qt Company. For licensing terms |
|
14 | 14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
|
15 | 15 | ** information use the contact form at https://www.qt.io/contact-us. |
|
16 | 16 | ** |
|
17 | 17 | ** GNU General Public License Usage |
|
18 | 18 | ** Alternatively, this file may be used under the terms of the GNU |
|
19 | 19 | ** General Public License version 3 or (at your option) any later version |
|
20 | 20 | ** approved by the KDE Free Qt Foundation. The licenses are as published by |
|
21 | 21 | ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
|
22 | 22 | ** included in the packaging of this file. Please review the following |
|
23 | 23 | ** information to ensure the GNU General Public License requirements will |
|
24 | 24 | ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
|
25 | 25 | ** |
|
26 | 26 | ** $QT_END_LICENSE$ |
|
27 | 27 | ** |
|
28 | 28 | ****************************************************************************/ |
|
29 | 29 | |
|
30 | 30 | #include "declarativechart.h" |
|
31 | 31 | #include <QtGui/QPainter> |
|
32 | 32 | #include "declarativelineseries.h" |
|
33 | 33 | #include "declarativeareaseries.h" |
|
34 | 34 | #include "declarativebarseries.h" |
|
35 | 35 | #include "declarativepieseries.h" |
|
36 | 36 | #include "declarativesplineseries.h" |
|
37 | 37 | #include "declarativeboxplotseries.h" |
|
38 | 38 | #include "declarativescatterseries.h" |
|
39 | 39 | #include "declarativechartnode.h" |
|
40 | 40 | #include "declarativerendernode.h" |
|
41 | 41 | #include <QtCharts/QBarCategoryAxis> |
|
42 | 42 | #include <QtCharts/QValueAxis> |
|
43 | 43 | #include <QtCharts/QLogValueAxis> |
|
44 | 44 | #include <QtCharts/QCategoryAxis> |
|
45 | 45 | #include <private/qabstractseries_p.h> |
|
46 | 46 | #include "declarativemargins.h" |
|
47 | 47 | #include <private/chartdataset_p.h> |
|
48 | 48 | #include "declarativeaxes.h" |
|
49 | 49 | #include <private/qchart_p.h> |
|
50 | 50 | #include <private/chartpresenter_p.h> |
|
51 | 51 | #include <QtCharts/QPolarChart> |
|
52 | 52 | |
|
53 | 53 | #ifndef QT_QREAL_IS_FLOAT |
|
54 | 54 | #include <QtCharts/QDateTimeAxis> |
|
55 | 55 | #endif |
|
56 | 56 | |
|
57 | 57 | #include <QtWidgets/QGraphicsSceneMouseEvent> |
|
58 | 58 | #include <QtWidgets/QGraphicsSceneHoverEvent> |
|
59 | 59 | #include <QtWidgets/QApplication> |
|
60 | 60 | #include <QtCore/QTimer> |
|
61 | 61 | #include <QtCore/QThread> |
|
62 | 62 | |
|
63 | 63 | QT_CHARTS_BEGIN_NAMESPACE |
|
64 | 64 | |
|
65 | 65 | /*! |
|
66 | 66 | \qmltype ChartView |
|
67 | 67 | \instantiates DeclarativeChart |
|
68 | 68 | \inqmlmodule QtCharts |
|
69 | 69 | |
|
70 | 70 | \brief Chart element. |
|
71 | 71 | |
|
72 | 72 | ChartView element is the parent that is responsible for showing different chart series types. |
|
73 | 73 | |
|
74 | 74 | The following QML shows how to create a simple chart with one pie series: |
|
75 | 75 | \snippet qmlpiechart/qml/qmlpiechart/main.qml 1 |
|
76 | 76 | \snippet qmlpiechart/qml/qmlpiechart/main.qml 2 |
|
77 | 77 | \snippet qmlpiechart/qml/qmlpiechart/main.qml 3 |
|
78 | 78 | |
|
79 | 79 | \beginfloatleft |
|
80 | 80 | \image examples_qmlpiechart.png |
|
81 | 81 | \endfloat |
|
82 | 82 | \clearfloat |
|
83 | 83 | */ |
|
84 | 84 | |
|
85 | 85 | /*! |
|
86 | 86 | \qmlproperty Theme ChartView::theme |
|
87 | 87 | Theme defines the visual appearance of the chart, including for example colors, fonts, line |
|
88 | 88 | widths and chart background. |
|
89 | 89 | */ |
|
90 | 90 | |
|
91 | 91 | /*! |
|
92 | 92 | \qmlproperty Animation ChartView::animationOptions |
|
93 | 93 | Animation configuration of the chart. One of ChartView.NoAnimation, ChartView.GridAxisAnimations, |
|
94 | 94 | ChartView.SeriesAnimations or ChartView.AllAnimations. |
|
95 | 95 | */ |
|
96 | 96 | |
|
97 | 97 | /*! |
|
98 | 98 | \qmlproperty int ChartView::animationDuration |
|
99 | 99 | The duration of the animation for the chart. |
|
100 | 100 | */ |
|
101 | 101 | |
|
102 | 102 | /*! |
|
103 | 103 | \qmlproperty easing ChartView::animationEasingCurve |
|
104 | 104 | The easing curve of the animation for the chart. |
|
105 | 105 | */ |
|
106 | 106 | |
|
107 | 107 | /*! |
|
108 | 108 | \qmlproperty Font ChartView::titleFont |
|
109 | 109 | The title font of the chart. |
|
110 | 110 | |
|
111 | 111 | See the Qt documentation for more details of Font. |
|
112 | 112 | */ |
|
113 | 113 | |
|
114 | 114 | /*! |
|
115 | 115 | \qmlproperty string ChartView::title |
|
116 | 116 | The title of the chart, shown on top of the chart. |
|
117 | 117 | \sa ChartView::titleColor |
|
118 | 118 | */ |
|
119 | 119 | |
|
120 | 120 | /*! |
|
121 | 121 | \qmlproperty color ChartView::titleColor |
|
122 | 122 | The color of the title text. |
|
123 | 123 | */ |
|
124 | 124 | |
|
125 | 125 | /*! |
|
126 | 126 | \qmlproperty Legend ChartView::legend |
|
127 | 127 | The legend of the chart. Legend lists all the series, pie slices and bar sets added on the chart. |
|
128 | 128 | */ |
|
129 | 129 | |
|
130 | 130 | /*! |
|
131 | 131 | \qmlproperty int ChartView::count |
|
132 | 132 | The count of series added to the chart. |
|
133 | 133 | */ |
|
134 | 134 | |
|
135 | 135 | /*! |
|
136 | 136 | \qmlproperty color ChartView::backgroundColor |
|
137 | 137 | The color of the chart's background. By default background color is defined by chart theme. |
|
138 | 138 | \sa ChartView::theme |
|
139 | 139 | */ |
|
140 | 140 | |
|
141 | 141 | /*! |
|
142 | 142 | \qmlproperty real ChartView::backgroundRoundness |
|
143 | 143 | The diameter of the rounding circle at the corners of the chart background. |
|
144 | 144 | */ |
|
145 | 145 | |
|
146 | 146 | /*! |
|
147 | 147 | \qmlproperty color ChartView::plotAreaColor |
|
148 | 148 | The color of the background of the chart's plot area. By default plot area background uses chart's |
|
149 | 149 | background color. |
|
150 | 150 | \sa ChartView::backgroundColor |
|
151 | 151 | */ |
|
152 | 152 | |
|
153 | 153 | /*! |
|
154 | 154 | \qmlproperty list<AbstractAxis> ChartView::axes |
|
155 | 155 | The axes of the ChartView. |
|
156 | 156 | */ |
|
157 | 157 | |
|
158 | 158 | /*! |
|
159 | 159 | \qmlproperty bool ChartView::dropShadowEnabled |
|
160 | 160 | The chart's border drop shadow. Set to true to enable drop shadow. |
|
161 | 161 | */ |
|
162 | 162 | |
|
163 | 163 | /*! |
|
164 | 164 | \qmlproperty rect ChartView::plotArea |
|
165 | 165 | The area on the ChartView that is used for drawing series. This is the ChartView rect without the |
|
166 | 166 | margins. |
|
167 | 167 | \sa ChartView::margins |
|
168 | 168 | */ |
|
169 | 169 | |
|
170 | 170 | /*! |
|
171 | 171 | \qmlproperty Margins ChartView::margins |
|
172 | 172 | The minimum margins allowed between the outer bounds and the plotArea of the ChartView. Margins |
|
173 | 173 | area of ChartView is used for drawing title, axes and legend. |
|
174 | 174 | */ |
|
175 | 175 | |
|
176 | 176 | /*! |
|
177 | 177 | \qmlproperty bool ChartView::localizeNumbers |
|
178 | 178 | \since QtCharts 2.0 |
|
179 | 179 | When \c{true}, all generated numbers appearing in various series and axis labels will be |
|
180 | 180 | localized using the default QLocale of the application, which defaults to the system locale. |
|
181 | 181 | When \c{false}, the "C" locale is always used. |
|
182 | 182 | Defaults to \c{false}. |
|
183 | 183 | |
|
184 | 184 | \sa locale |
|
185 | 185 | */ |
|
186 | 186 | |
|
187 | 187 | /*! |
|
188 | 188 | \qmlproperty locale ChartView::locale |
|
189 | 189 | \since QtCharts 2.0 |
|
190 | 190 | Sets the locale used to format various chart labels when localizeNumbers is \c{true}. |
|
191 | 191 | This also determines the locale used to format DateTimeAxis labels regardless of |
|
192 | 192 | localizeNumbers property. |
|
193 | 193 | Defaults to application default locale at the time the chart is constructed. |
|
194 | 194 | |
|
195 | 195 | \sa localizeNumbers |
|
196 | 196 | */ |
|
197 | 197 | |
|
198 | 198 | /*! |
|
199 | 199 | \qmlmethod AbstractSeries ChartView::series(int index) |
|
200 | 200 | Returns the series with \a index on the chart. This allows you to loop through the series of a chart together with |
|
201 | 201 | the count property of the chart. |
|
202 | 202 | */ |
|
203 | 203 | |
|
204 | 204 | /*! |
|
205 | 205 | \qmlmethod AbstractSeries ChartView::series(string name) |
|
206 | 206 | Returns the first series on the chart with \a name. If there is no series with that name, returns null. |
|
207 | 207 | */ |
|
208 | 208 | |
|
209 | 209 | /*! |
|
210 | 210 | \qmlmethod AbstractSeries ChartView::createSeries(SeriesType type, string name, AbstractAxis axisX, AbstractAxis axisY) |
|
211 | 211 | Creates a series object of \a type to the chart with name \a name, optional axis \a axisX and |
|
212 | 212 | optional axis \a axisY. For example: |
|
213 | 213 | \code |
|
214 | 214 | // lineSeries is a LineSeries object that has already been added to the ChartView; re-use it's axes |
|
215 | 215 | var myAxisX = chartView.axisX(lineSeries); |
|
216 | 216 | var myAxisY = chartView.axisY(lineSeries); |
|
217 | 217 | var scatter = chartView.createSeries(ChartView.SeriesTypeScatter, "scatter series", myAxisX, myAxisY); |
|
218 | 218 | \endcode |
|
219 | 219 | */ |
|
220 | 220 | |
|
221 | 221 | /*! |
|
222 | 222 | \qmlmethod ChartView::removeSeries(AbstractSeries series) |
|
223 | 223 | Removes the \a series from the chart. The series object is also destroyed. |
|
224 | 224 | */ |
|
225 | 225 | |
|
226 | 226 | /*! |
|
227 | 227 | \qmlmethod ChartView::removeAllSeries() |
|
228 | 228 | Removes all series from the chart. All the series objects are also destroyed. |
|
229 | 229 | */ |
|
230 | 230 | |
|
231 | 231 | /*! |
|
232 | 232 | \qmlmethod Axis ChartView::axisX(AbstractSeries series) |
|
233 | 233 | The x-axis of the series. |
|
234 | 234 | */ |
|
235 | 235 | |
|
236 | 236 | /*! |
|
237 | 237 | \qmlmethod ChartView::setAxisX(AbstractAxis axis, AbstractSeries series) |
|
238 | 238 | Set the x-axis of the series. |
|
239 | 239 | */ |
|
240 | 240 | |
|
241 | 241 | /*! |
|
242 | 242 | \qmlmethod Axis ChartView::axisY(AbstractSeries series) |
|
243 | 243 | The y-axis of the series. |
|
244 | 244 | */ |
|
245 | 245 | |
|
246 | 246 | /*! |
|
247 | 247 | \qmlmethod ChartView::setAxisY(AbstractAxis axis, AbstractSeries series) |
|
248 | 248 | Set the y-axis of the series. |
|
249 | 249 | */ |
|
250 | 250 | |
|
251 | 251 | /*! |
|
252 | 252 | \qmlmethod ChartView::zoom(real factor) |
|
253 | 253 | Zooms in by \a factor on the center of the chart. |
|
254 | 254 | |
|
255 | 255 | A factor over 1.0 zooms the view in and factor between 0.0 and 1.0 zooms out. |
|
256 | 256 | */ |
|
257 | 257 | |
|
258 | 258 | /*! |
|
259 | 259 | \qmlmethod ChartView::zoomIn() |
|
260 | 260 | Zooms in the view by a factor of two. |
|
261 | 261 | */ |
|
262 | 262 | |
|
263 | 263 | /*! |
|
264 | 264 | \qmlmethod ChartView::zoomIn(rect rectangle) |
|
265 | 265 | Zooms in the view to a maximum level at which \a rectangle is still fully visible. |
|
266 | 266 | \note This is not supported for polar charts. |
|
267 | 267 | */ |
|
268 | 268 | |
|
269 | 269 | /*! |
|
270 | 270 | \qmlmethod ChartView::zoomOut() |
|
271 | 271 | Zooms out the view by a factor of two. |
|
272 | 272 | */ |
|
273 | 273 | |
|
274 | 274 | /*! |
|
275 | 275 | \qmlmethod ChartView::zoomReset() |
|
276 | 276 | Resets the series domains to what they were before any zoom method was called. |
|
277 | 277 | Note that this will also reset any scrolls and explicit axis range settings done between |
|
278 | 278 | the first zoom operation and calling this method. If no zoom operation has been |
|
279 | 279 | done, this method does nothing. |
|
280 | 280 | */ |
|
281 | 281 | |
|
282 | 282 | /*! |
|
283 | 283 | \qmlmethod ChartView::isZoomed() |
|
284 | 284 | Returns true if any series has a zoomed domain. |
|
285 | 285 | */ |
|
286 | 286 | |
|
287 | 287 | /*! |
|
288 | 288 | \qmlmethod ChartView::scrollLeft(real pixels) |
|
289 | 289 | Scrolls to left by \a pixels. This is a convenience function that suits for example for key navigation. |
|
290 | 290 | */ |
|
291 | 291 | |
|
292 | 292 | /*! |
|
293 | 293 | \qmlmethod ChartView::scrollRight(real pixels) |
|
294 | 294 | Scrolls to right by \a pixels. This is a convenience function that suits for example for key navigation. |
|
295 | 295 | */ |
|
296 | 296 | |
|
297 | 297 | /*! |
|
298 | 298 | \qmlmethod ChartView::scrollUp(real pixels) |
|
299 | 299 | Scrolls up by \a pixels. This is a convenience function that suits for example for key navigation. |
|
300 | 300 | */ |
|
301 | 301 | |
|
302 | 302 | /*! |
|
303 | 303 | \qmlmethod ChartView::scrollDown(real pixels) |
|
304 | 304 | Scrolls down by \a pixels. This is a convenience function that suits for example for key navigation. |
|
305 | 305 | */ |
|
306 | 306 | |
|
307 | 307 | /*! |
|
308 | 308 | \qmlmethod point ChartView::mapToValue(point position, AbstractSeries series) |
|
309 | 309 | Returns the value in the \a series domain that corresponds to the \a position relative to the |
|
310 | 310 | chart. |
|
311 | 311 | */ |
|
312 | 312 | |
|
313 | 313 | /*! |
|
314 | 314 | \qmlmethod point ChartView::mapToPosition(point value, AbstractSeries series) |
|
315 | 315 | Returns the position on the chart that corresponds to the \a value in the \a series domain. |
|
316 | 316 | */ |
|
317 | 317 | |
|
318 | 318 | /*! |
|
319 | 319 | \qmlsignal ChartView::seriesAdded(AbstractSeries series) |
|
320 | 320 | The \a series has been added to the chart. |
|
321 | 321 | */ |
|
322 | 322 | |
|
323 | 323 | /*! |
|
324 | 324 | \qmlsignal ChartView::seriesRemoved(AbstractSeries series) |
|
325 | 325 | The \a series has been removed from the chart. Please note that \a series is no longer a valid |
|
326 | 326 | object after the signal handler has completed. |
|
327 | 327 | */ |
|
328 | 328 | |
|
329 | 329 | DeclarativeChart::DeclarativeChart(QQuickItem *parent) |
|
330 | 330 | : QQuickItem(parent) |
|
331 | 331 | { |
|
332 | 332 | initChart(QChart::ChartTypeCartesian); |
|
333 | 333 | } |
|
334 | 334 | |
|
335 | 335 | DeclarativeChart::DeclarativeChart(QChart::ChartType type, QQuickItem *parent) |
|
336 | 336 | : QQuickItem(parent) |
|
337 | 337 | { |
|
338 | 338 | initChart(type); |
|
339 | 339 | } |
|
340 | 340 | |
|
341 | 341 | void DeclarativeChart::initChart(QChart::ChartType type) |
|
342 | 342 | { |
|
343 | 343 | m_sceneImage = 0; |
|
344 | 344 | m_sceneImageDirty = false; |
|
345 | 345 | m_sceneImageNeedsClear = false; |
|
346 | 346 | m_guiThreadId = QThread::currentThreadId(); |
|
347 | 347 | m_paintThreadId = 0; |
|
348 | 348 | m_updatePending = false; |
|
349 | 349 | |
|
350 | 350 | setFlag(ItemHasContents, true); |
|
351 | 351 | |
|
352 | 352 | if (type == QChart::ChartTypePolar) |
|
353 | 353 | m_chart = new QPolarChart(); |
|
354 | 354 | else |
|
355 | 355 | m_chart = new QChart(); |
|
356 | 356 | |
|
357 | 357 | m_chart->d_ptr->m_presenter->glSetUseWidget(false); |
|
358 | 358 | m_glXYDataManager = m_chart->d_ptr->m_dataset->glXYSeriesDataManager(); |
|
359 | 359 | |
|
360 | 360 | m_scene = new QGraphicsScene(this); |
|
361 | 361 | m_scene->addItem(m_chart); |
|
362 | 362 | |
|
363 | 363 | setAntialiasing(QQuickItem::antialiasing()); |
|
364 | 364 | connect(m_scene, &QGraphicsScene::changed, this, &DeclarativeChart::sceneChanged); |
|
365 | 365 | connect(this, &DeclarativeChart::needRender, this, &DeclarativeChart::renderScene, |
|
366 | 366 | Qt::QueuedConnection); |
|
367 | 367 | connect(this, SIGNAL(antialiasingChanged(bool)), this, SLOT(handleAntialiasingChanged(bool))); |
|
368 | 368 | |
|
369 | 369 | setAcceptedMouseButtons(Qt::AllButtons); |
|
370 | 370 | setAcceptHoverEvents(true); |
|
371 | 371 | |
|
372 | 372 | m_margins = new DeclarativeMargins(this); |
|
373 | 373 | m_margins->setTop(m_chart->margins().top()); |
|
374 | 374 | m_margins->setLeft(m_chart->margins().left()); |
|
375 | 375 | m_margins->setRight(m_chart->margins().right()); |
|
376 | 376 | m_margins->setBottom(m_chart->margins().bottom()); |
|
377 | 377 | connect(m_margins, SIGNAL(topChanged(int,int,int,int)), |
|
378 | 378 | this, SLOT(changeMargins(int,int,int,int))); |
|
379 | 379 | connect(m_margins, SIGNAL(bottomChanged(int,int,int,int)), |
|
380 | 380 | this, SLOT(changeMargins(int,int,int,int))); |
|
381 | 381 | connect(m_margins, SIGNAL(leftChanged(int,int,int,int)), |
|
382 | 382 | this, SLOT(changeMargins(int,int,int,int))); |
|
383 | 383 | connect(m_margins, SIGNAL(rightChanged(int,int,int,int)), |
|
384 | 384 | this, SLOT(changeMargins(int,int,int,int))); |
|
385 | 385 | connect(m_chart->d_ptr->m_dataset, SIGNAL(seriesAdded(QAbstractSeries*)), this, SLOT(handleSeriesAdded(QAbstractSeries*))); |
|
386 | 386 | connect(m_chart->d_ptr->m_dataset, SIGNAL(seriesRemoved(QAbstractSeries*)), this, SIGNAL(seriesRemoved(QAbstractSeries*))); |
|
387 | 387 | connect(m_chart, &QChart::plotAreaChanged, this, &DeclarativeChart::plotAreaChanged); |
|
388 | 388 | } |
|
389 | 389 | |
|
390 | 390 | void DeclarativeChart::handleSeriesAdded(QAbstractSeries *series) |
|
391 | 391 | { |
|
392 | 392 | emit seriesAdded(series); |
|
393 | 393 | } |
|
394 | 394 | |
|
395 | 395 | void DeclarativeChart::changeMargins(int top, int bottom, int left, int right) |
|
396 | 396 | { |
|
397 | 397 | m_chart->setMargins(QMargins(left, top, right, bottom)); |
|
398 | 398 | emit marginsChanged(); |
|
399 | 399 | } |
|
400 | 400 | |
|
401 | 401 | DeclarativeChart::~DeclarativeChart() |
|
402 | 402 | { |
|
403 | 403 | delete m_chart; |
|
404 | 404 | delete m_sceneImage; |
|
405 | 405 | } |
|
406 | 406 | |
|
407 | 407 | void DeclarativeChart::childEvent(QChildEvent *event) |
|
408 | 408 | { |
|
409 | 409 | if (event->type() == QEvent::ChildAdded) { |
|
410 | 410 | if (qobject_cast<QAbstractSeries *>(event->child())) { |
|
411 | 411 | m_chart->addSeries(qobject_cast<QAbstractSeries *>(event->child())); |
|
412 | 412 | } |
|
413 | 413 | } |
|
414 | 414 | } |
|
415 | 415 | |
|
416 | 416 | void DeclarativeChart::componentComplete() |
|
417 | 417 | { |
|
418 | 418 | foreach (QObject *child, children()) { |
|
419 | 419 | if (qobject_cast<QAbstractSeries *>(child)) { |
|
420 | 420 | // Add series to the chart |
|
421 | 421 | QAbstractSeries *series = qobject_cast<QAbstractSeries *>(child); |
|
422 | 422 | m_chart->addSeries(series); |
|
423 | 423 | |
|
424 | 424 | // Connect to axis changed signals (unless this is a pie series) |
|
425 | 425 | if (!qobject_cast<DeclarativePieSeries *>(series)) { |
|
426 | 426 | connect(series, SIGNAL(axisXChanged(QAbstractAxis*)), this, SLOT(handleAxisXSet(QAbstractAxis*))); |
|
427 | 427 | connect(series, SIGNAL(axisXTopChanged(QAbstractAxis*)), this, SLOT(handleAxisXTopSet(QAbstractAxis*))); |
|
428 | 428 | connect(series, SIGNAL(axisYChanged(QAbstractAxis*)), this, SLOT(handleAxisYSet(QAbstractAxis*))); |
|
429 | 429 | connect(series, SIGNAL(axisYRightChanged(QAbstractAxis*)), this, SLOT(handleAxisYRightSet(QAbstractAxis*))); |
|
430 | 430 | } |
|
431 | 431 | |
|
432 | 432 | initializeAxes(series); |
|
433 | 433 | } |
|
434 | 434 | } |
|
435 | 435 | |
|
436 | 436 | QQuickItem::componentComplete(); |
|
437 | 437 | } |
|
438 | 438 | |
|
439 | 439 | void DeclarativeChart::seriesAxisAttachHelper(QAbstractSeries *series, QAbstractAxis *axis, |
|
440 | 440 | Qt::Orientations orientation, |
|
441 | 441 | Qt::Alignment alignment) |
|
442 | 442 | { |
|
443 | 443 | if (!series->attachedAxes().contains(axis)) { |
|
444 | 444 | // Remove & delete old axes that are not attached to any other series |
|
445 | 445 | foreach (QAbstractAxis* oldAxis, m_chart->axes(orientation, series)) { |
|
446 | 446 | bool otherAttachments = false; |
|
447 | 447 | if (oldAxis != axis) { |
|
448 | 448 | foreach (QAbstractSeries *oldSeries, m_chart->series()) { |
|
449 | 449 | if (oldSeries != series && oldSeries->attachedAxes().contains(oldAxis)) { |
|
450 | 450 | otherAttachments = true; |
|
451 | 451 | break; |
|
452 | 452 | } |
|
453 | 453 | } |
|
454 | 454 | if (!otherAttachments) { |
|
455 | 455 | m_chart->removeAxis(oldAxis); |
|
456 | 456 | delete oldAxis; |
|
457 | 457 | } |
|
458 | 458 | } |
|
459 | 459 | } |
|
460 | 460 | if (!m_chart->axes(orientation).contains(axis)) |
|
461 | 461 | m_chart->addAxis(axis, alignment); |
|
462 | 462 | |
|
463 | 463 | series->attachAxis(axis); |
|
464 | 464 | } |
|
465 | 465 | } |
|
466 | 466 | |
|
467 | 467 | void DeclarativeChart::handleAxisXSet(QAbstractAxis *axis) |
|
468 | 468 | { |
|
469 | 469 | QAbstractSeries *s = qobject_cast<QAbstractSeries *>(sender()); |
|
470 | 470 | if (axis && s) { |
|
471 | 471 | seriesAxisAttachHelper(s, axis, Qt::Horizontal, Qt::AlignBottom); |
|
472 | 472 | } else { |
|
473 | 473 | qWarning() << "Trying to set axisX to null."; |
|
474 | 474 | } |
|
475 | 475 | } |
|
476 | 476 | |
|
477 | 477 | void DeclarativeChart::handleAxisXTopSet(QAbstractAxis *axis) |
|
478 | 478 | { |
|
479 | 479 | QAbstractSeries *s = qobject_cast<QAbstractSeries *>(sender()); |
|
480 | 480 | if (axis && s) { |
|
481 | 481 | seriesAxisAttachHelper(s, axis, Qt::Horizontal, Qt::AlignTop); |
|
482 | 482 | } else { |
|
483 | 483 | qWarning() << "Trying to set axisXTop to null."; |
|
484 | 484 | } |
|
485 | 485 | } |
|
486 | 486 | |
|
487 | 487 | void DeclarativeChart::handleAxisYSet(QAbstractAxis *axis) |
|
488 | 488 | { |
|
489 | 489 | QAbstractSeries *s = qobject_cast<QAbstractSeries *>(sender()); |
|
490 | 490 | if (axis && s) { |
|
491 | 491 | seriesAxisAttachHelper(s, axis, Qt::Vertical, Qt::AlignLeft); |
|
492 | 492 | } else { |
|
493 | 493 | qWarning() << "Trying to set axisY to null."; |
|
494 | 494 | } |
|
495 | 495 | } |
|
496 | 496 | |
|
497 | 497 | void DeclarativeChart::handleAxisYRightSet(QAbstractAxis *axis) |
|
498 | 498 | { |
|
499 | 499 | QAbstractSeries *s = qobject_cast<QAbstractSeries *>(sender()); |
|
500 | 500 | if (axis && s) { |
|
501 | 501 | seriesAxisAttachHelper(s, axis, Qt::Vertical, Qt::AlignRight); |
|
502 | 502 | } else { |
|
503 | 503 | qWarning() << "Trying to set axisYRight to null."; |
|
504 | 504 | } |
|
505 | 505 | } |
|
506 | 506 | |
|
507 | 507 | void DeclarativeChart::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) |
|
508 | 508 | { |
|
509 | 509 | if (newGeometry.isValid()) { |
|
510 | 510 | if (newGeometry.width() > 0 && newGeometry.height() > 0) { |
|
511 | 511 | m_chart->resize(newGeometry.width(), newGeometry.height()); |
|
512 | 512 | } |
|
513 | 513 | } |
|
514 | 514 | QQuickItem::geometryChanged(newGeometry, oldGeometry); |
|
515 | 515 | } |
|
516 | 516 | |
|
517 | 517 | QSGNode *DeclarativeChart::updatePaintNode(QSGNode *oldNode, QQuickItem::UpdatePaintNodeData *) |
|
518 | 518 | { |
|
519 | 519 | DeclarativeChartNode *node = static_cast<DeclarativeChartNode *>(oldNode); |
|
520 | 520 | |
|
521 | 521 | if (!node) { |
|
522 | 522 | node = new DeclarativeChartNode(window()); |
|
523 | 523 | connect(window(), &QQuickWindow::beforeRendering, |
|
524 | 524 | node->glRenderNode(), &DeclarativeRenderNode::render); |
|
525 | 525 | } |
|
526 | 526 | |
|
527 | 527 | const QRectF &bRect = boundingRect(); |
|
528 | 528 | |
|
529 | 529 | // Update GL data |
|
530 | 530 | if (m_glXYDataManager->dataMap().size() || m_glXYDataManager->mapDirty()) { |
|
531 | 531 | const QRectF &plotArea = m_chart->plotArea(); |
|
532 | 532 | const QSizeF &chartAreaSize = m_chart->size(); |
|
533 | 533 | |
|
534 | 534 | // We can't use chart's plot area directly, as graphicscene has some internal minimum size |
|
535 | 535 | const qreal normalizedX = plotArea.x() / chartAreaSize.width(); |
|
536 | 536 | const qreal normalizedY = plotArea.y() / chartAreaSize.height(); |
|
537 | 537 | const qreal normalizedWidth = plotArea.width() / chartAreaSize.width(); |
|
538 | 538 | const qreal normalizedHeight = plotArea.height() / chartAreaSize.height(); |
|
539 | 539 | |
|
540 | 540 | QRectF adjustedPlotArea(normalizedX * bRect.width(), |
|
541 | 541 | normalizedY * bRect.height(), |
|
542 | 542 | normalizedWidth * bRect.width(), |
|
543 | 543 | normalizedHeight * bRect.height()); |
|
544 | 544 | |
|
545 | 545 | const QSize &adjustedPlotSize = adjustedPlotArea.size().toSize(); |
|
546 | 546 | if (adjustedPlotSize != node->glRenderNode()->textureSize()) |
|
547 | 547 | node->glRenderNode()->setTextureSize(adjustedPlotSize); |
|
548 | 548 | |
|
549 | 549 | node->glRenderNode()->setRect(adjustedPlotArea); |
|
550 | 550 | node->glRenderNode()->setSeriesData(m_glXYDataManager->mapDirty(), |
|
551 | 551 | m_glXYDataManager->dataMap()); |
|
552 | 552 | |
|
553 | 553 | // Clear dirty flags from original xy data |
|
554 | 554 | m_glXYDataManager->clearAllDirty(); |
|
555 | 555 | } |
|
556 | 556 | |
|
557 | 557 | // Copy chart (if dirty) to chart node |
|
558 | 558 | if (m_sceneImageDirty) { |
|
559 | 559 | node->createTextureFromImage(*m_sceneImage); |
|
560 | 560 | m_sceneImageDirty = false; |
|
561 | 561 | } |
|
562 | 562 | |
|
563 | 563 | node->setRect(bRect); |
|
564 | 564 | |
|
565 | 565 | return node; |
|
566 | 566 | } |
|
567 | 567 | |
|
568 | 568 | void DeclarativeChart::sceneChanged(QList<QRectF> region) |
|
569 | 569 | { |
|
570 | 570 | const int count = region.size(); |
|
571 | 571 | const qreal limitSize = 0.01; |
|
572 | 572 | if (count && !m_updatePending) { |
|
573 | 573 | qreal totalSize = 0.0; |
|
574 | 574 | for (int i = 0; i < count; i++) { |
|
575 | 575 | const QRectF ® = region.at(i); |
|
576 | 576 | totalSize += (reg.height() * reg.width()); |
|
577 | 577 | if (totalSize >= limitSize) |
|
578 | 578 | break; |
|
579 | 579 | } |
|
580 | 580 | // Ignore region updates that change less than small fraction of a pixel, as there is |
|
581 | 581 | // little point regenerating the image in these cases. These are typically cases |
|
582 | 582 | // where OpenGL series are drawn to otherwise static chart. |
|
583 | 583 | if (totalSize >= limitSize) { |
|
584 | 584 | m_updatePending = true; |
|
585 | 585 | // Do async render to avoid some unnecessary renders. |
|
586 | 586 | emit needRender(); |
|
587 | 587 | } else { |
|
588 | 588 | // We do want to call update to trigger possible gl series updates. |
|
589 | 589 | update(); |
|
590 | 590 | } |
|
591 | 591 | } |
|
592 | 592 | } |
|
593 | 593 | |
|
594 | 594 | void DeclarativeChart::renderScene() |
|
595 | 595 | { |
|
596 | 596 | m_updatePending = false; |
|
597 | 597 | m_sceneImageDirty = true; |
|
598 | 598 | QSize chartSize = m_chart->size().toSize(); |
|
599 | 599 | if (!m_sceneImage || chartSize != m_sceneImage->size()) { |
|
600 | 600 | delete m_sceneImage; |
|
601 | m_sceneImage = new QImage(chartSize, QImage::Format_ARGB32); | |
|
601 | qreal dpr = window() ? window()->devicePixelRatio() : 1.0; | |
|
602 | m_sceneImage = new QImage(chartSize * dpr, QImage::Format_ARGB32); | |
|
603 | m_sceneImage->setDevicePixelRatio(dpr); | |
|
602 | 604 | m_sceneImageNeedsClear = true; |
|
603 | 605 | } |
|
604 | 606 | |
|
605 | 607 | if (m_sceneImageNeedsClear) { |
|
606 | 608 | m_sceneImage->fill(Qt::transparent); |
|
607 | 609 | // Don't clear the flag if chart background has any transparent element to it |
|
608 | 610 | if (m_chart->backgroundBrush().color().alpha() == 0xff && !m_chart->isDropShadowEnabled()) |
|
609 | 611 | m_sceneImageNeedsClear = false; |
|
610 | 612 | } |
|
611 | 613 | QPainter painter(m_sceneImage); |
|
612 | 614 | if (antialiasing()) { |
|
613 | 615 | painter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing |
|
614 | 616 | | QPainter::SmoothPixmapTransform); |
|
615 | 617 | } |
|
616 | 618 | QRect renderRect(QPoint(0, 0), chartSize); |
|
617 | 619 | m_scene->render(&painter, renderRect, renderRect); |
|
618 | 620 | update(); |
|
619 | 621 | } |
|
620 | 622 | |
|
621 | 623 | void DeclarativeChart::mousePressEvent(QMouseEvent *event) |
|
622 | 624 | { |
|
623 | 625 | m_mousePressScenePoint = event->pos(); |
|
624 | 626 | m_mousePressScreenPoint = event->globalPos(); |
|
625 | 627 | m_lastMouseMoveScenePoint = m_mousePressScenePoint; |
|
626 | 628 | m_lastMouseMoveScreenPoint = m_mousePressScreenPoint; |
|
627 | 629 | m_mousePressButton = event->button(); |
|
628 | 630 | m_mousePressButtons = event->buttons(); |
|
629 | 631 | |
|
630 | 632 | QGraphicsSceneMouseEvent mouseEvent(QEvent::GraphicsSceneMousePress); |
|
631 | 633 | mouseEvent.setWidget(0); |
|
632 | 634 | mouseEvent.setButtonDownScenePos(m_mousePressButton, m_mousePressScenePoint); |
|
633 | 635 | mouseEvent.setButtonDownScreenPos(m_mousePressButton, m_mousePressScreenPoint); |
|
634 | 636 | mouseEvent.setScenePos(m_mousePressScenePoint); |
|
635 | 637 | mouseEvent.setScreenPos(m_mousePressScreenPoint); |
|
636 | 638 | mouseEvent.setLastScenePos(m_lastMouseMoveScenePoint); |
|
637 | 639 | mouseEvent.setLastScreenPos(m_lastMouseMoveScreenPoint); |
|
638 | 640 | mouseEvent.setButtons(m_mousePressButtons); |
|
639 | 641 | mouseEvent.setButton(m_mousePressButton); |
|
640 | 642 | mouseEvent.setModifiers(event->modifiers()); |
|
641 | 643 | mouseEvent.setAccepted(false); |
|
642 | 644 | |
|
643 | 645 | QApplication::sendEvent(m_scene, &mouseEvent); |
|
644 | 646 | } |
|
645 | 647 | |
|
646 | 648 | void DeclarativeChart::mouseReleaseEvent(QMouseEvent *event) |
|
647 | 649 | { |
|
648 | 650 | QGraphicsSceneMouseEvent mouseEvent(QEvent::GraphicsSceneMouseRelease); |
|
649 | 651 | mouseEvent.setWidget(0); |
|
650 | 652 | mouseEvent.setButtonDownScenePos(m_mousePressButton, m_mousePressScenePoint); |
|
651 | 653 | mouseEvent.setButtonDownScreenPos(m_mousePressButton, m_mousePressScreenPoint); |
|
652 | 654 | mouseEvent.setScenePos(event->pos()); |
|
653 | 655 | mouseEvent.setScreenPos(event->globalPos()); |
|
654 | 656 | mouseEvent.setLastScenePos(m_lastMouseMoveScenePoint); |
|
655 | 657 | mouseEvent.setLastScreenPos(m_lastMouseMoveScreenPoint); |
|
656 | 658 | mouseEvent.setButtons(event->buttons()); |
|
657 | 659 | mouseEvent.setButton(event->button()); |
|
658 | 660 | mouseEvent.setModifiers(event->modifiers()); |
|
659 | 661 | mouseEvent.setAccepted(false); |
|
660 | 662 | |
|
661 | 663 | QApplication::sendEvent(m_scene, &mouseEvent); |
|
662 | 664 | |
|
663 | 665 | m_mousePressButtons = event->buttons(); |
|
664 | 666 | m_mousePressButton = Qt::NoButton; |
|
665 | 667 | } |
|
666 | 668 | |
|
667 | 669 | void DeclarativeChart::hoverMoveEvent(QHoverEvent *event) |
|
668 | 670 | { |
|
669 | 671 | // Convert hover move to mouse move, since we don't seem to get actual mouse move events. |
|
670 | 672 | // QGraphicsScene generates hover events from mouse move events, so we don't need |
|
671 | 673 | // to pass hover events there. |
|
672 | 674 | QGraphicsSceneMouseEvent mouseEvent(QEvent::GraphicsSceneMouseMove); |
|
673 | 675 | mouseEvent.setWidget(0); |
|
674 | 676 | mouseEvent.setButtonDownScenePos(m_mousePressButton, m_mousePressScenePoint); |
|
675 | 677 | mouseEvent.setButtonDownScreenPos(m_mousePressButton, m_mousePressScreenPoint); |
|
676 | 678 | mouseEvent.setScenePos(event->pos()); |
|
677 | 679 | // Hover events do not have global pos in them, and the screen position doesn't seem to |
|
678 | 680 | // matter anyway in this use case, so just pass event pos instead of trying to |
|
679 | 681 | // calculate the real screen position. |
|
680 | 682 | mouseEvent.setScreenPos(event->pos()); |
|
681 | 683 | mouseEvent.setLastScenePos(m_lastMouseMoveScenePoint); |
|
682 | 684 | mouseEvent.setLastScreenPos(m_lastMouseMoveScreenPoint); |
|
683 | 685 | mouseEvent.setButtons(m_mousePressButtons); |
|
684 | 686 | mouseEvent.setButton(m_mousePressButton); |
|
685 | 687 | mouseEvent.setModifiers(event->modifiers()); |
|
686 | 688 | m_lastMouseMoveScenePoint = mouseEvent.scenePos(); |
|
687 | 689 | m_lastMouseMoveScreenPoint = mouseEvent.screenPos(); |
|
688 | 690 | mouseEvent.setAccepted(false); |
|
689 | 691 | |
|
690 | 692 | QApplication::sendEvent(m_scene, &mouseEvent); |
|
691 | 693 | } |
|
692 | 694 | |
|
693 | 695 | void DeclarativeChart::mouseDoubleClickEvent(QMouseEvent *event) |
|
694 | 696 | { |
|
695 | 697 | m_mousePressScenePoint = event->pos(); |
|
696 | 698 | m_mousePressScreenPoint = event->globalPos(); |
|
697 | 699 | m_lastMouseMoveScenePoint = m_mousePressScenePoint; |
|
698 | 700 | m_lastMouseMoveScreenPoint = m_mousePressScreenPoint; |
|
699 | 701 | m_mousePressButton = event->button(); |
|
700 | 702 | m_mousePressButtons = event->buttons(); |
|
701 | 703 | |
|
702 | 704 | QGraphicsSceneMouseEvent mouseEvent(QEvent::GraphicsSceneMouseDoubleClick); |
|
703 | 705 | mouseEvent.setWidget(0); |
|
704 | 706 | mouseEvent.setButtonDownScenePos(m_mousePressButton, m_mousePressScenePoint); |
|
705 | 707 | mouseEvent.setButtonDownScreenPos(m_mousePressButton, m_mousePressScreenPoint); |
|
706 | 708 | mouseEvent.setScenePos(m_mousePressScenePoint); |
|
707 | 709 | mouseEvent.setScreenPos(m_mousePressScreenPoint); |
|
708 | 710 | mouseEvent.setLastScenePos(m_lastMouseMoveScenePoint); |
|
709 | 711 | mouseEvent.setLastScreenPos(m_lastMouseMoveScreenPoint); |
|
710 | 712 | mouseEvent.setButtons(m_mousePressButtons); |
|
711 | 713 | mouseEvent.setButton(m_mousePressButton); |
|
712 | 714 | mouseEvent.setModifiers(event->modifiers()); |
|
713 | 715 | mouseEvent.setAccepted(false); |
|
714 | 716 | |
|
715 | 717 | QApplication::sendEvent(m_scene, &mouseEvent); |
|
716 | 718 | } |
|
717 | 719 | |
|
718 | 720 | void DeclarativeChart::handleAntialiasingChanged(bool enable) |
|
719 | 721 | { |
|
720 | 722 | setAntialiasing(enable); |
|
721 | 723 | } |
|
722 | 724 | |
|
723 | 725 | void DeclarativeChart::setTheme(DeclarativeChart::Theme theme) |
|
724 | 726 | { |
|
725 | 727 | QChart::ChartTheme chartTheme = (QChart::ChartTheme) theme; |
|
726 | 728 | if (chartTheme != m_chart->theme()) |
|
727 | 729 | m_chart->setTheme(chartTheme); |
|
728 | 730 | } |
|
729 | 731 | |
|
730 | 732 | DeclarativeChart::Theme DeclarativeChart::theme() |
|
731 | 733 | { |
|
732 | 734 | return (DeclarativeChart::Theme) m_chart->theme(); |
|
733 | 735 | } |
|
734 | 736 | |
|
735 | 737 | void DeclarativeChart::setAnimationOptions(DeclarativeChart::Animation animations) |
|
736 | 738 | { |
|
737 | 739 | QChart::AnimationOption animationOptions = (QChart::AnimationOption) animations; |
|
738 | 740 | if (animationOptions != m_chart->animationOptions()) |
|
739 | 741 | m_chart->setAnimationOptions(animationOptions); |
|
740 | 742 | } |
|
741 | 743 | |
|
742 | 744 | DeclarativeChart::Animation DeclarativeChart::animationOptions() |
|
743 | 745 | { |
|
744 | 746 | if (m_chart->animationOptions().testFlag(QChart::AllAnimations)) |
|
745 | 747 | return DeclarativeChart::AllAnimations; |
|
746 | 748 | else if (m_chart->animationOptions().testFlag(QChart::GridAxisAnimations)) |
|
747 | 749 | return DeclarativeChart::GridAxisAnimations; |
|
748 | 750 | else if (m_chart->animationOptions().testFlag(QChart::SeriesAnimations)) |
|
749 | 751 | return DeclarativeChart::SeriesAnimations; |
|
750 | 752 | else |
|
751 | 753 | return DeclarativeChart::NoAnimation; |
|
752 | 754 | } |
|
753 | 755 | |
|
754 | 756 | void DeclarativeChart::setAnimationDuration(int msecs) |
|
755 | 757 | { |
|
756 | 758 | if (msecs != m_chart->animationDuration()) { |
|
757 | 759 | m_chart->setAnimationDuration(msecs); |
|
758 | 760 | emit animationDurationChanged(msecs); |
|
759 | 761 | } |
|
760 | 762 | } |
|
761 | 763 | |
|
762 | 764 | int DeclarativeChart::animationDuration() const |
|
763 | 765 | { |
|
764 | 766 | return m_chart->animationDuration(); |
|
765 | 767 | } |
|
766 | 768 | |
|
767 | 769 | void DeclarativeChart::setAnimationEasingCurve(const QEasingCurve &curve) |
|
768 | 770 | { |
|
769 | 771 | if (curve != m_chart->animationEasingCurve()) { |
|
770 | 772 | m_chart->setAnimationEasingCurve(curve); |
|
771 | 773 | emit animationEasingCurveChanged(curve); |
|
772 | 774 | } |
|
773 | 775 | } |
|
774 | 776 | |
|
775 | 777 | QEasingCurve DeclarativeChart::animationEasingCurve() const |
|
776 | 778 | { |
|
777 | 779 | return m_chart->animationEasingCurve(); |
|
778 | 780 | } |
|
779 | 781 | |
|
780 | 782 | void DeclarativeChart::setTitle(QString title) |
|
781 | 783 | { |
|
782 | 784 | if (title != m_chart->title()) |
|
783 | 785 | m_chart->setTitle(title); |
|
784 | 786 | } |
|
785 | 787 | QString DeclarativeChart::title() |
|
786 | 788 | { |
|
787 | 789 | return m_chart->title(); |
|
788 | 790 | } |
|
789 | 791 | |
|
790 | 792 | QAbstractAxis *DeclarativeChart::axisX(QAbstractSeries *series) |
|
791 | 793 | { |
|
792 | 794 | QList<QAbstractAxis *> axes = m_chart->axes(Qt::Horizontal, series); |
|
793 | 795 | if (axes.count()) |
|
794 | 796 | return axes[0]; |
|
795 | 797 | return 0; |
|
796 | 798 | } |
|
797 | 799 | |
|
798 | 800 | QAbstractAxis *DeclarativeChart::axisY(QAbstractSeries *series) |
|
799 | 801 | { |
|
800 | 802 | QList<QAbstractAxis *> axes = m_chart->axes(Qt::Vertical, series); |
|
801 | 803 | if (axes.count()) |
|
802 | 804 | return axes[0]; |
|
803 | 805 | return 0; |
|
804 | 806 | } |
|
805 | 807 | |
|
806 | 808 | QLegend *DeclarativeChart::legend() |
|
807 | 809 | { |
|
808 | 810 | return m_chart->legend(); |
|
809 | 811 | } |
|
810 | 812 | |
|
811 | 813 | void DeclarativeChart::setTitleColor(QColor color) |
|
812 | 814 | { |
|
813 | 815 | QBrush b = m_chart->titleBrush(); |
|
814 | 816 | if (color != b.color()) { |
|
815 | 817 | b.setColor(color); |
|
816 | 818 | m_chart->setTitleBrush(b); |
|
817 | 819 | emit titleColorChanged(color); |
|
818 | 820 | } |
|
819 | 821 | } |
|
820 | 822 | |
|
821 | 823 | QFont DeclarativeChart::titleFont() const |
|
822 | 824 | { |
|
823 | 825 | return m_chart->titleFont(); |
|
824 | 826 | } |
|
825 | 827 | |
|
826 | 828 | void DeclarativeChart::setTitleFont(const QFont &font) |
|
827 | 829 | { |
|
828 | 830 | m_chart->setTitleFont(font); |
|
829 | 831 | } |
|
830 | 832 | |
|
831 | 833 | QColor DeclarativeChart::titleColor() |
|
832 | 834 | { |
|
833 | 835 | return m_chart->titleBrush().color(); |
|
834 | 836 | } |
|
835 | 837 | |
|
836 | 838 | void DeclarativeChart::setBackgroundColor(QColor color) |
|
837 | 839 | { |
|
838 | 840 | QBrush b = m_chart->backgroundBrush(); |
|
839 | 841 | if (b.style() != Qt::SolidPattern || color != b.color()) { |
|
840 | 842 | if (color.alpha() < 0xff) |
|
841 | 843 | m_sceneImageNeedsClear = true; |
|
842 | 844 | b.setStyle(Qt::SolidPattern); |
|
843 | 845 | b.setColor(color); |
|
844 | 846 | m_chart->setBackgroundBrush(b); |
|
845 | 847 | emit backgroundColorChanged(); |
|
846 | 848 | } |
|
847 | 849 | } |
|
848 | 850 | |
|
849 | 851 | QColor DeclarativeChart::backgroundColor() |
|
850 | 852 | { |
|
851 | 853 | return m_chart->backgroundBrush().color(); |
|
852 | 854 | } |
|
853 | 855 | |
|
854 | 856 | void QtCharts::DeclarativeChart::setPlotAreaColor(QColor color) |
|
855 | 857 | { |
|
856 | 858 | QBrush b = m_chart->plotAreaBackgroundBrush(); |
|
857 | 859 | if (b.style() != Qt::SolidPattern || color != b.color()) { |
|
858 | 860 | b.setStyle(Qt::SolidPattern); |
|
859 | 861 | b.setColor(color); |
|
860 | 862 | m_chart->setPlotAreaBackgroundBrush(b); |
|
861 | 863 | m_chart->setPlotAreaBackgroundVisible(true); |
|
862 | 864 | emit plotAreaColorChanged(); |
|
863 | 865 | } |
|
864 | 866 | } |
|
865 | 867 | |
|
866 | 868 | QColor QtCharts::DeclarativeChart::plotAreaColor() |
|
867 | 869 | { |
|
868 | 870 | return m_chart->plotAreaBackgroundBrush().color(); |
|
869 | 871 | } |
|
870 | 872 | |
|
871 | 873 | void DeclarativeChart::setLocalizeNumbers(bool localize) |
|
872 | 874 | { |
|
873 | 875 | if (m_chart->localizeNumbers() != localize) { |
|
874 | 876 | m_chart->setLocalizeNumbers(localize); |
|
875 | 877 | emit localizeNumbersChanged(); |
|
876 | 878 | } |
|
877 | 879 | } |
|
878 | 880 | |
|
879 | 881 | bool DeclarativeChart::localizeNumbers() const |
|
880 | 882 | { |
|
881 | 883 | return m_chart->localizeNumbers(); |
|
882 | 884 | } |
|
883 | 885 | |
|
884 | 886 | void QtCharts::DeclarativeChart::setLocale(const QLocale &locale) |
|
885 | 887 | { |
|
886 | 888 | if (m_chart->locale() != locale) { |
|
887 | 889 | m_chart->setLocale(locale); |
|
888 | 890 | emit localeChanged(); |
|
889 | 891 | } |
|
890 | 892 | } |
|
891 | 893 | |
|
892 | 894 | QLocale QtCharts::DeclarativeChart::locale() const |
|
893 | 895 | { |
|
894 | 896 | return m_chart->locale(); |
|
895 | 897 | } |
|
896 | 898 | |
|
897 | 899 | int DeclarativeChart::count() |
|
898 | 900 | { |
|
899 | 901 | return m_chart->series().count(); |
|
900 | 902 | } |
|
901 | 903 | |
|
902 | 904 | void DeclarativeChart::setDropShadowEnabled(bool enabled) |
|
903 | 905 | { |
|
904 | 906 | if (enabled != m_chart->isDropShadowEnabled()) { |
|
905 | 907 | m_sceneImageNeedsClear = true; |
|
906 | 908 | m_chart->setDropShadowEnabled(enabled); |
|
907 | 909 | dropShadowEnabledChanged(enabled); |
|
908 | 910 | } |
|
909 | 911 | } |
|
910 | 912 | |
|
911 | 913 | bool DeclarativeChart::dropShadowEnabled() |
|
912 | 914 | { |
|
913 | 915 | return m_chart->isDropShadowEnabled(); |
|
914 | 916 | } |
|
915 | 917 | |
|
916 | 918 | qreal DeclarativeChart::backgroundRoundness() const |
|
917 | 919 | { |
|
918 | 920 | return m_chart->backgroundRoundness(); |
|
919 | 921 | } |
|
920 | 922 | |
|
921 | 923 | void DeclarativeChart::setBackgroundRoundness(qreal diameter) |
|
922 | 924 | { |
|
923 | 925 | if (m_chart->backgroundRoundness() != diameter) { |
|
924 | 926 | m_sceneImageNeedsClear = true; |
|
925 | 927 | m_chart->setBackgroundRoundness(diameter); |
|
926 | 928 | emit backgroundRoundnessChanged(diameter); |
|
927 | 929 | } |
|
928 | 930 | } |
|
929 | 931 | |
|
930 | 932 | void DeclarativeChart::zoom(qreal factor) |
|
931 | 933 | { |
|
932 | 934 | m_chart->zoom(factor); |
|
933 | 935 | } |
|
934 | 936 | |
|
935 | 937 | void DeclarativeChart::zoomIn() |
|
936 | 938 | { |
|
937 | 939 | m_chart->zoomIn(); |
|
938 | 940 | } |
|
939 | 941 | |
|
940 | 942 | void DeclarativeChart::zoomIn(const QRectF &rectangle) |
|
941 | 943 | { |
|
942 | 944 | m_chart->zoomIn(rectangle); |
|
943 | 945 | } |
|
944 | 946 | |
|
945 | 947 | void DeclarativeChart::zoomOut() |
|
946 | 948 | { |
|
947 | 949 | m_chart->zoomOut(); |
|
948 | 950 | } |
|
949 | 951 | |
|
950 | 952 | void DeclarativeChart::zoomReset() |
|
951 | 953 | { |
|
952 | 954 | m_chart->zoomReset(); |
|
953 | 955 | } |
|
954 | 956 | |
|
955 | 957 | bool DeclarativeChart::isZoomed() |
|
956 | 958 | { |
|
957 | 959 | return m_chart->isZoomed(); |
|
958 | 960 | } |
|
959 | 961 | |
|
960 | 962 | void DeclarativeChart::scrollLeft(qreal pixels) |
|
961 | 963 | { |
|
962 | 964 | m_chart->scroll(-pixels, 0); |
|
963 | 965 | } |
|
964 | 966 | |
|
965 | 967 | void DeclarativeChart::scrollRight(qreal pixels) |
|
966 | 968 | { |
|
967 | 969 | m_chart->scroll(pixels, 0); |
|
968 | 970 | } |
|
969 | 971 | |
|
970 | 972 | void DeclarativeChart::scrollUp(qreal pixels) |
|
971 | 973 | { |
|
972 | 974 | m_chart->scroll(0, pixels); |
|
973 | 975 | } |
|
974 | 976 | |
|
975 | 977 | void DeclarativeChart::scrollDown(qreal pixels) |
|
976 | 978 | { |
|
977 | 979 | m_chart->scroll(0, -pixels); |
|
978 | 980 | } |
|
979 | 981 | |
|
980 | 982 | QQmlListProperty<QAbstractAxis> DeclarativeChart::axes() |
|
981 | 983 | { |
|
982 | 984 | return QQmlListProperty<QAbstractAxis>(this, 0, |
|
983 | 985 | &DeclarativeChart::axesAppendFunc, |
|
984 | 986 | &DeclarativeChart::axesCountFunc, |
|
985 | 987 | &DeclarativeChart::axesAtFunc, |
|
986 | 988 | &DeclarativeChart::axesClearFunc); |
|
987 | 989 | } |
|
988 | 990 | |
|
989 | 991 | void DeclarativeChart::axesAppendFunc(QQmlListProperty<QAbstractAxis> *list, QAbstractAxis *element) |
|
990 | 992 | { |
|
991 | 993 | // Empty implementation |
|
992 | 994 | Q_UNUSED(list); |
|
993 | 995 | Q_UNUSED(element); |
|
994 | 996 | } |
|
995 | 997 | |
|
996 | 998 | int DeclarativeChart::axesCountFunc(QQmlListProperty<QAbstractAxis> *list) |
|
997 | 999 | { |
|
998 | 1000 | if (qobject_cast<DeclarativeChart *>(list->object)) { |
|
999 | 1001 | DeclarativeChart *chart = qobject_cast<DeclarativeChart *>(list->object); |
|
1000 | 1002 | return chart->m_chart->axes(Qt::Horizontal | Qt::Vertical).count(); |
|
1001 | 1003 | } |
|
1002 | 1004 | return 0; |
|
1003 | 1005 | } |
|
1004 | 1006 | |
|
1005 | 1007 | QAbstractAxis *DeclarativeChart::axesAtFunc(QQmlListProperty<QAbstractAxis> *list, int index) |
|
1006 | 1008 | { |
|
1007 | 1009 | if (qobject_cast<DeclarativeChart *>(list->object)) { |
|
1008 | 1010 | DeclarativeChart *chart = qobject_cast<DeclarativeChart *>(list->object); |
|
1009 | 1011 | QList<QAbstractAxis *> axes = chart->m_chart->axes(Qt::Horizontal | Qt::Vertical, chart->m_chart->series()[0]); |
|
1010 | 1012 | return axes.at(index); |
|
1011 | 1013 | } |
|
1012 | 1014 | return 0; |
|
1013 | 1015 | } |
|
1014 | 1016 | |
|
1015 | 1017 | void DeclarativeChart::axesClearFunc(QQmlListProperty<QAbstractAxis> *list) |
|
1016 | 1018 | { |
|
1017 | 1019 | // Empty implementation |
|
1018 | 1020 | Q_UNUSED(list); |
|
1019 | 1021 | } |
|
1020 | 1022 | |
|
1021 | 1023 | |
|
1022 | 1024 | QAbstractSeries *DeclarativeChart::series(int index) |
|
1023 | 1025 | { |
|
1024 | 1026 | if (index < m_chart->series().count()) { |
|
1025 | 1027 | return m_chart->series().at(index); |
|
1026 | 1028 | } |
|
1027 | 1029 | return 0; |
|
1028 | 1030 | } |
|
1029 | 1031 | |
|
1030 | 1032 | QAbstractSeries *DeclarativeChart::series(QString seriesName) |
|
1031 | 1033 | { |
|
1032 | 1034 | foreach (QAbstractSeries *series, m_chart->series()) { |
|
1033 | 1035 | if (series->name() == seriesName) |
|
1034 | 1036 | return series; |
|
1035 | 1037 | } |
|
1036 | 1038 | return 0; |
|
1037 | 1039 | } |
|
1038 | 1040 | |
|
1039 | 1041 | QAbstractSeries *DeclarativeChart::createSeries(int type, QString name, QAbstractAxis *axisX, QAbstractAxis *axisY) |
|
1040 | 1042 | { |
|
1041 | 1043 | QAbstractSeries *series = 0; |
|
1042 | 1044 | |
|
1043 | 1045 | switch (type) { |
|
1044 | 1046 | case DeclarativeChart::SeriesTypeLine: |
|
1045 | 1047 | series = new DeclarativeLineSeries(); |
|
1046 | 1048 | break; |
|
1047 | 1049 | case DeclarativeChart::SeriesTypeArea: { |
|
1048 | 1050 | DeclarativeAreaSeries *area = new DeclarativeAreaSeries(); |
|
1049 | 1051 | DeclarativeLineSeries *line = new DeclarativeLineSeries(); |
|
1050 | 1052 | line->setParent(area); |
|
1051 | 1053 | area->setUpperSeries(line); |
|
1052 | 1054 | series = area; |
|
1053 | 1055 | break; |
|
1054 | 1056 | } |
|
1055 | 1057 | case DeclarativeChart::SeriesTypeStackedBar: |
|
1056 | 1058 | series = new DeclarativeStackedBarSeries(); |
|
1057 | 1059 | break; |
|
1058 | 1060 | case DeclarativeChart::SeriesTypePercentBar: |
|
1059 | 1061 | series = new DeclarativePercentBarSeries(); |
|
1060 | 1062 | break; |
|
1061 | 1063 | case DeclarativeChart::SeriesTypeBar: |
|
1062 | 1064 | series = new DeclarativeBarSeries(); |
|
1063 | 1065 | break; |
|
1064 | 1066 | case DeclarativeChart::SeriesTypeHorizontalBar: |
|
1065 | 1067 | series = new DeclarativeHorizontalBarSeries(); |
|
1066 | 1068 | break; |
|
1067 | 1069 | case DeclarativeChart::SeriesTypeHorizontalPercentBar: |
|
1068 | 1070 | series = new DeclarativeHorizontalPercentBarSeries(); |
|
1069 | 1071 | break; |
|
1070 | 1072 | case DeclarativeChart::SeriesTypeHorizontalStackedBar: |
|
1071 | 1073 | series = new DeclarativeHorizontalStackedBarSeries(); |
|
1072 | 1074 | break; |
|
1073 | 1075 | case DeclarativeChart::SeriesTypeBoxPlot: |
|
1074 | 1076 | series = new DeclarativeBoxPlotSeries(); |
|
1075 | 1077 | break; |
|
1076 | 1078 | case DeclarativeChart::SeriesTypePie: |
|
1077 | 1079 | series = new DeclarativePieSeries(); |
|
1078 | 1080 | break; |
|
1079 | 1081 | case DeclarativeChart::SeriesTypeScatter: |
|
1080 | 1082 | series = new DeclarativeScatterSeries(); |
|
1081 | 1083 | break; |
|
1082 | 1084 | case DeclarativeChart::SeriesTypeSpline: |
|
1083 | 1085 | series = new DeclarativeSplineSeries(); |
|
1084 | 1086 | break; |
|
1085 | 1087 | default: |
|
1086 | 1088 | qWarning() << "Illegal series type"; |
|
1087 | 1089 | } |
|
1088 | 1090 | |
|
1089 | 1091 | if (series) { |
|
1090 | 1092 | // Connect to axis changed signals (unless this is a pie series) |
|
1091 | 1093 | if (!qobject_cast<DeclarativePieSeries *>(series)) { |
|
1092 | 1094 | connect(series, SIGNAL(axisXChanged(QAbstractAxis*)), this, SLOT(handleAxisXSet(QAbstractAxis*))); |
|
1093 | 1095 | connect(series, SIGNAL(axisXTopChanged(QAbstractAxis*)), this, SLOT(handleAxisXSet(QAbstractAxis*))); |
|
1094 | 1096 | connect(series, SIGNAL(axisYChanged(QAbstractAxis*)), this, SLOT(handleAxisYSet(QAbstractAxis*))); |
|
1095 | 1097 | connect(series, SIGNAL(axisYRightChanged(QAbstractAxis*)), this, SLOT(handleAxisYRightSet(QAbstractAxis*))); |
|
1096 | 1098 | } |
|
1097 | 1099 | |
|
1098 | 1100 | series->setName(name); |
|
1099 | 1101 | m_chart->addSeries(series); |
|
1100 | 1102 | |
|
1101 | 1103 | if (!axisX || !axisY) |
|
1102 | 1104 | initializeAxes(series); |
|
1103 | 1105 | |
|
1104 | 1106 | if (axisX) |
|
1105 | 1107 | setAxisX(axisX, series); |
|
1106 | 1108 | if (axisY) |
|
1107 | 1109 | setAxisY(axisY, series); |
|
1108 | 1110 | } |
|
1109 | 1111 | |
|
1110 | 1112 | return series; |
|
1111 | 1113 | } |
|
1112 | 1114 | |
|
1113 | 1115 | void DeclarativeChart::removeSeries(QAbstractSeries *series) |
|
1114 | 1116 | { |
|
1115 | 1117 | if (series) |
|
1116 | 1118 | m_chart->removeSeries(series); |
|
1117 | 1119 | else |
|
1118 | 1120 | qWarning("removeSeries: cannot remove null"); |
|
1119 | 1121 | } |
|
1120 | 1122 | |
|
1121 | 1123 | void DeclarativeChart::setAxisX(QAbstractAxis *axis, QAbstractSeries *series) |
|
1122 | 1124 | { |
|
1123 | 1125 | if (axis && series) |
|
1124 | 1126 | seriesAxisAttachHelper(series, axis, Qt::Horizontal, Qt::AlignBottom); |
|
1125 | 1127 | } |
|
1126 | 1128 | |
|
1127 | 1129 | void DeclarativeChart::setAxisY(QAbstractAxis *axis, QAbstractSeries *series) |
|
1128 | 1130 | { |
|
1129 | 1131 | if (axis && series) |
|
1130 | 1132 | seriesAxisAttachHelper(series, axis, Qt::Vertical, Qt::AlignLeft); |
|
1131 | 1133 | } |
|
1132 | 1134 | |
|
1133 | 1135 | QAbstractAxis *DeclarativeChart::defaultAxis(Qt::Orientation orientation, QAbstractSeries *series) |
|
1134 | 1136 | { |
|
1135 | 1137 | if (!series) { |
|
1136 | 1138 | qWarning() << "No axis type defined for null series"; |
|
1137 | 1139 | return 0; |
|
1138 | 1140 | } |
|
1139 | 1141 | |
|
1140 | 1142 | foreach (QAbstractAxis *existingAxis, m_chart->axes(orientation)) { |
|
1141 | 1143 | if (existingAxis->type() == series->d_ptr->defaultAxisType(orientation)) |
|
1142 | 1144 | return existingAxis; |
|
1143 | 1145 | } |
|
1144 | 1146 | |
|
1145 | 1147 | switch (series->d_ptr->defaultAxisType(orientation)) { |
|
1146 | 1148 | case QAbstractAxis::AxisTypeValue: |
|
1147 | 1149 | return new QValueAxis(this); |
|
1148 | 1150 | case QAbstractAxis::AxisTypeBarCategory: |
|
1149 | 1151 | return new QBarCategoryAxis(this); |
|
1150 | 1152 | case QAbstractAxis::AxisTypeCategory: |
|
1151 | 1153 | return new QCategoryAxis(this); |
|
1152 | 1154 | #ifndef QT_QREAL_IS_FLOAT |
|
1153 | 1155 | case QAbstractAxis::AxisTypeDateTime: |
|
1154 | 1156 | return new QDateTimeAxis(this); |
|
1155 | 1157 | #endif |
|
1156 | 1158 | case QAbstractAxis::AxisTypeLogValue: |
|
1157 | 1159 | return new QLogValueAxis(this); |
|
1158 | 1160 | default: |
|
1159 | 1161 | // assume AxisTypeNoAxis |
|
1160 | 1162 | return 0; |
|
1161 | 1163 | } |
|
1162 | 1164 | } |
|
1163 | 1165 | |
|
1164 | 1166 | void DeclarativeChart::initializeAxes(QAbstractSeries *series) |
|
1165 | 1167 | { |
|
1166 | 1168 | if (qobject_cast<DeclarativeLineSeries *>(series)) |
|
1167 | 1169 | doInitializeAxes(series, qobject_cast<DeclarativeLineSeries *>(series)->m_axes); |
|
1168 | 1170 | else if (qobject_cast<DeclarativeScatterSeries *>(series)) |
|
1169 | 1171 | doInitializeAxes(series, qobject_cast<DeclarativeScatterSeries *>(series)->m_axes); |
|
1170 | 1172 | else if (qobject_cast<DeclarativeSplineSeries *>(series)) |
|
1171 | 1173 | doInitializeAxes(series, qobject_cast<DeclarativeSplineSeries *>(series)->m_axes); |
|
1172 | 1174 | else if (qobject_cast<DeclarativeAreaSeries *>(series)) |
|
1173 | 1175 | doInitializeAxes(series, qobject_cast<DeclarativeAreaSeries *>(series)->m_axes); |
|
1174 | 1176 | else if (qobject_cast<DeclarativeBarSeries *>(series)) |
|
1175 | 1177 | doInitializeAxes(series, qobject_cast<DeclarativeBarSeries *>(series)->m_axes); |
|
1176 | 1178 | else if (qobject_cast<DeclarativeStackedBarSeries *>(series)) |
|
1177 | 1179 | doInitializeAxes(series, qobject_cast<DeclarativeStackedBarSeries *>(series)->m_axes); |
|
1178 | 1180 | else if (qobject_cast<DeclarativePercentBarSeries *>(series)) |
|
1179 | 1181 | doInitializeAxes(series, qobject_cast<DeclarativePercentBarSeries *>(series)->m_axes); |
|
1180 | 1182 | else if (qobject_cast<DeclarativeHorizontalBarSeries *>(series)) |
|
1181 | 1183 | doInitializeAxes(series, qobject_cast<DeclarativeHorizontalBarSeries *>(series)->m_axes); |
|
1182 | 1184 | else if (qobject_cast<DeclarativeHorizontalStackedBarSeries *>(series)) |
|
1183 | 1185 | doInitializeAxes(series, qobject_cast<DeclarativeHorizontalStackedBarSeries *>(series)->m_axes); |
|
1184 | 1186 | else if (qobject_cast<DeclarativeHorizontalPercentBarSeries *>(series)) |
|
1185 | 1187 | doInitializeAxes(series, qobject_cast<DeclarativeHorizontalPercentBarSeries *>(series)->m_axes); |
|
1186 | 1188 | else if (qobject_cast<DeclarativeBoxPlotSeries *>(series)) |
|
1187 | 1189 | doInitializeAxes(series, qobject_cast<DeclarativeBoxPlotSeries *>(series)->m_axes); |
|
1188 | 1190 | // else: do nothing |
|
1189 | 1191 | } |
|
1190 | 1192 | |
|
1191 | 1193 | void DeclarativeChart::doInitializeAxes(QAbstractSeries *series, DeclarativeAxes *axes) |
|
1192 | 1194 | { |
|
1193 | 1195 | qreal min; |
|
1194 | 1196 | qreal max; |
|
1195 | 1197 | // Initialize axis X |
|
1196 | 1198 | if (axes->axisX()) { |
|
1197 | 1199 | axes->emitAxisXChanged(); |
|
1198 | 1200 | } else if (axes->axisXTop()) { |
|
1199 | 1201 | axes->emitAxisXTopChanged(); |
|
1200 | 1202 | } else { |
|
1201 | 1203 | axes->setAxisX(defaultAxis(Qt::Horizontal, series)); |
|
1202 | 1204 | findMinMaxForSeries(series, Qt::Horizontal, min, max); |
|
1203 | 1205 | axes->axisX()->setRange(min, max); |
|
1204 | 1206 | } |
|
1205 | 1207 | |
|
1206 | 1208 | // Initialize axis Y |
|
1207 | 1209 | if (axes->axisY()) { |
|
1208 | 1210 | axes->emitAxisYChanged(); |
|
1209 | 1211 | } else if (axes->axisYRight()) { |
|
1210 | 1212 | axes->emitAxisYRightChanged(); |
|
1211 | 1213 | } else { |
|
1212 | 1214 | axes->setAxisY(defaultAxis(Qt::Vertical, series)); |
|
1213 | 1215 | findMinMaxForSeries(series, Qt::Vertical, min, max); |
|
1214 | 1216 | axes->axisY()->setRange(min, max); |
|
1215 | 1217 | } |
|
1216 | 1218 | } |
|
1217 | 1219 | |
|
1218 | 1220 | void DeclarativeChart::findMinMaxForSeries(QAbstractSeries *series, Qt::Orientations orientation, |
|
1219 | 1221 | qreal &min, qreal &max) |
|
1220 | 1222 | { |
|
1221 | 1223 | if (!series) { |
|
1222 | 1224 | min = 0.5; |
|
1223 | 1225 | max = 0.5; |
|
1224 | 1226 | } else { |
|
1225 | 1227 | AbstractDomain *domain = series->d_ptr->domain(); |
|
1226 | 1228 | min = (orientation == Qt::Vertical) ? domain->minY() : domain->minX(); |
|
1227 | 1229 | max = (orientation == Qt::Vertical) ? domain->maxY() : domain->maxX(); |
|
1228 | 1230 | |
|
1229 | 1231 | if (min == max) { |
|
1230 | 1232 | min -= 0.5; |
|
1231 | 1233 | max += 0.5; |
|
1232 | 1234 | } |
|
1233 | 1235 | } |
|
1234 | 1236 | } |
|
1235 | 1237 | |
|
1236 | 1238 | QPointF DeclarativeChart::mapToValue(const QPointF &position, QAbstractSeries *series) |
|
1237 | 1239 | { |
|
1238 | 1240 | return m_chart->mapToValue(position, series); |
|
1239 | 1241 | } |
|
1240 | 1242 | |
|
1241 | 1243 | QPointF DeclarativeChart::mapToPosition(const QPointF &value, QAbstractSeries *series) |
|
1242 | 1244 | { |
|
1243 | 1245 | return m_chart->mapToPosition(value, series); |
|
1244 | 1246 | } |
|
1245 | 1247 | |
|
1246 | 1248 | #include "moc_declarativechart.cpp" |
|
1247 | 1249 | |
|
1248 | 1250 | QT_CHARTS_END_NAMESPACE |
@@ -1,18 +1,18 | |||
|
1 | 1 | %modules = ( # path to module name map |
|
2 | 2 | "QtCharts" => "$basedir/src/charts", |
|
3 | 3 | ); |
|
4 | 4 | %moduleheaders = ( # restrict the module headers to those found in relative path |
|
5 | 5 | ); |
|
6 | 6 | %classnames = ( |
|
7 | 7 | "qchartglobal.h" => "QChartGlobal" |
|
8 | 8 | ); |
|
9 | 9 | # Module dependencies. |
|
10 | 10 | # Every module that is required to build this module should have one entry. |
|
11 | 11 | # Each of the module version specifiers can take one of the following values: |
|
12 | 12 | # - A specific Git revision. |
|
13 | 13 | # - any git symbolic ref resolvable from the module's repository (e.g. "refs/heads/master" to track master branch) |
|
14 | 14 | # |
|
15 | 15 | %dependencies = ( |
|
16 |
"qtbase" => " |
|
|
17 |
"qtdeclarative" => " |
|
|
16 | "qtbase" => "", | |
|
17 | "qtdeclarative" => "", | |
|
18 | 18 | ); |
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